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* common.opt (Wmudflap): New option.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
2
3         * common.opt (Wmudflap): New option.
4         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
5         (mx_register_decls): Likewise.
6         (mudflap_finish_file): Likewise.
7         * doc/invoke.texi: Document -Wno-mudflap.
8
9 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
10
11         * c-format.c (replace_format_name_to_system_name): New.
12         (cmp_attribs): New.
13         (convert_format_name_to_system_name): New.
14         (decode_format_attr): Add use of convert_format_name_to_system_name.
15         (format_types_orig): Add gnu_ prefix to names.
16         (check_format_info_main): Special treating of \0 escaped names for
17         supporting multi-character format specifiers as I32, I64.
18         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
19         (gnu_target_overrides_format_attributes): New.
20         * c-format.h: Add structure target_ovr_attr to hold
21         system specific formatter names.
22         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
23         msformat-c.o file to c_target_objs and cxx_target_objs.
24         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
25         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
26         (TARGET_N_FORMAT_TYPES): New.
27         * config/i386/msformat-c.c: New.
28         * config/i386/t-cygming: Add build rule for msformat-c.o.
29         * doc/extend.texi: Add new format names gnu_* and ms_* and
30         further details.
31         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
32
33 2008-03-20  Ira Rosen  <irar@il.ibm.com>
34
35         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
36         optimizations turned on under -O3.
37         (ftree-vectorize): Add that the flag is turned on with -O3.
38
39 2008-03-20  Ben Elliston  <bje@au.ibm.com>
40
41         * regmove.c (try_auto_increment): Fix spelling error in comment.
42         * final.c (final_scan_insn): Likewise.
43
44 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
45
46         PR target/14552
47         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
48         allocator preferences for "y" and "r" class registers.
49         ("*mov<mode>_internal"): Ditto.
50         ("*movv2sf_internal_rex64"): Ditto.
51         ("*movv2sf_internal"): Ditto.
52
53 2008-03-19  Michael Matz  <matz@suse.de>
54
55         PR middle-end/35616
56         * calls.c (expand_call): Check overlap of arguments with call
57         address for sibcalls.
58
59 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
60
61         PR target/35496
62         * stor-layout.c (update_alignment_for_field): Set minimum alignment
63         of the underlying type of a MS bitfield layout to the natural
64         alignment of the type.
65
66 2008-03-19  Jan Hubicka  <jh@suse.cz>
67
68         PR other/35094
69         * toplev.c (decode_d_option): Handle all CPP flags.
70         * tree-vrp.c: Update tree_pass descriptors.
71         * regrename.c: Update tree_pass descriptors.
72         * fwprop.c: Update tree_pass descriptors.
73         * doc/invoke.texi: Remove documentation of dropped -d? flags.
74         * tree-into-ssa.c: Update tree_pass descriptors.
75         * tree-dump.c: Update tree_pass descriptors.
76         * tree-complex.c: Update tree_pass descriptors.
77         * tree-dump.h: Update tree_pass descriptors.
78         * see.c: Update tree_pass descriptors.
79         * cgraphbuild.c: Update tree_pass descriptors.
80         * tracer.c: Update tree_pass descriptors.
81         * tree-loop-distribution.c: Update tree_pass descriptors.
82         * cgraph.c: Update tree_pass descriptors.
83         * postreload-gcse.c: Update tree_pass descriptors.
84         * postreload.c: Update tree_pass descriptors.
85         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
86         * tree-tailcall.c: Update tree_pass descriptors.
87         * tree-pass.h (tree_opt_pass): Rename to ...
88         (opt_pass) ... this one; add "type" field and remove letter field.
89         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
90         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
91         all_lowering_passes): Update declaration.
92         * ipa-cp.c: Update tree_pass descriptors.
93         * final.c: Update tree_pass descriptors.
94         * omp-low.c: Update tree_pass descriptors.
95         * tree-ssa-dse.c: Update tree_pass descriptors.
96         * ipa-reference.c: Update tree_pass descriptors.
97         * tree-ssa-uncprop.c: Update tree_pass descriptors.
98         * auto-inc-dec.c: Update tree_pass descriptors.
99         * reorg.c: Update tree_pass descriptors.
100         * cgraphunit.c: Update tree_pass descriptors.
101         * tree-ssa-copyrename.c: Update tree_pass descriptors.
102         * tree-ssa-ccp.c: Update tree_pass descriptors.
103         * df-core.c: Update tree_pass descriptors.
104         * mode-switching.c: Update tree_pass descriptors.
105         * tree-nomudflap.c: Update tree_pass descriptors.
106         * modulo-sched.c: Update tree_pass descriptors.
107         * ipa-pure-const.c: Update tree_pass descriptors.
108         * cse.c: Update tree_pass descriptors.
109         * web.c: Update tree_pass descriptors.
110         * tree-stdarg.c: Update tree_pass descriptors.
111         * tree-ssa-math-opts.c: Update tree_pass descriptors.
112         * tree-ssa-dom.c: Update tree_pass descriptors.
113         * tree-nrv.c: Update tree_pass descriptors.
114         * tree-ssa-alias.c: Update tree_pass descriptors.
115         * loop-init.c: Update tree_pass descriptors.
116         * gimple-low.c: Update tree_pass descriptors.
117         * ipa-inline.c: Update tree_pass descriptors.
118         * tree-ssa-sink.c: Update tree_pass descriptors.
119         * global.c: Update tree_pass descriptors.
120         * ifcvt.c: Update tree_pass descriptors.
121         * jump.c: Update tree_pass descriptors.
122         * predict.c: Update tree_pass descriptors.
123         * tree-ssa-loop.c: Update tree_pass descriptors.
124         * recog.c: Update tree_pass descriptors.
125         * dse.c: Update tree_pass descriptors.
126         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
127         * tree-eh.c: Update tree_pass descriptors.
128         * regmove.c: Update tree_pass descriptors.
129         * local-alloc.c
130         * function.c: Update tree_pass descriptors.
131         * tree-vectorizer.c: Update tree_pass descriptors.
132         * gcse.c: Update tree_pass descriptors.
133         * ipa-type-escape.c: Update tree_pass descriptors.
134         * tree-if-conv.c: Update tree_pass descriptors.
135         * init-regs.c: Update tree_pass descriptors.
136         * ipa.c: Update tree_pass descriptors.
137         * tree-ssa-phiopt.c: Update tree_pass descriptors.
138         * rtl-factoring.c: Update tree_pass descriptors.
139         * lower-subreg.c: Update tree_pass descriptors.
140         * bt-load.c: Update tree_pass descriptors.
141         * tree-dfa.c: Update tree_pass descriptors.
142         * except.c: Update tree_pass descriptors.
143         * emit-rtl.c: Update tree_pass descriptors.
144         * cfgexpand.c: Update tree_pass descriptors.
145         * tree-cfgcleanup.c: Update tree_pass descriptors.
146         * cfgcleanup.c: Update tree_pass descriptors.
147         * tree-ssa-pre.c: Update tree_pass descriptors.
148         * tree-sra.c: Update tree_pass descriptors.
149         * tree-mudflap.c: Update tree_pass descriptors.
150         * tree-ssa-copy.c: Update tree_pass descriptors.
151         * cfglayout.c: Update tree_pass descriptors.
152         * tree-ssa-forwprop.c: Update tree_pass descriptors.
153         * tree-ssa-dce.c: Update tree_pass descriptors.
154         * tree-ssa.c: Update tree_pass descriptors.
155         * regclass.c: Update tree_pass descriptors.
156         * integrate.c: Update tree_pass descriptors.
157         * tree-optimize.c: Update tree_pass descriptors.
158         * tree-ssa-phiprop.c: Update tree_pass descriptors.
159         * tree-object-size.c: Update tree_pass descriptors.
160         * combine.c: Update tree_pass descriptors.
161         * tree-outof-ssa.c: Update tree_pass descriptors.
162         * bb-reorder.c: Update tree_pass descriptors.
163         * stack-ptr-mod.c: Update tree_pass descriptors.
164         * var-tracking.c: Update tree_pass descriptors.
165         * tree-profile.c: Update tree_pass descriptors.
166         * tree-vect-generic.c: Update tree_pass descriptors.
167         * reg-stack.c: Update tree_pass descriptors.
168         * sched-rgn.c: Update tree_pass descriptors.
169         * tree-ssa-structalias.c: Update tree_pass descriptors.
170         * tree-cfg.c: Update tree_pass descriptors.
171         * passes.c (current_pass): Update declaration.
172         (finish_optimization_passes): Update.
173         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
174         (register_one_dump_file, register_dump_files_1, next_pass_1):
175         Update arguments.
176         (init_optimization_passes): Update handling of new types.
177         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
178         * ipa-struct-reorg.c: Update tree_pass descriptors.
179         * tree-ssa-reassoc.c: Update tree_pass descriptors.
180         * combine-stack-adj.c: Update tree_pass descriptors.
181         * cfgrtl.c: Update tree_pass descriptors.
182         * dce.c: Update tree_pass descriptors.
183         * tree-ssanames.c: Update tree_pass descriptors.
184
185 2008-03-19  Richard Guenther  <rguenther@suse.de>
186
187         PR middle-end/35609
188         * tree-ssa.c (always_executed): New global flag.
189         (warn_uninitialized_var): If !always_executed warn with "maybe"
190         instead of "is".
191         (execute_early_warn_uninitialized): Compute post-dominators.
192         Initialize always_executed before processing each basic block.
193
194 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
195
196         PR target/35504
197         * config/i386/i386.c (x86_this_parameter): Calculate correct location
198         of "this" pointer when "regparm = N" or "fastcall" is in effect.
199
200 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
201
202         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
203
204 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
205
206         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
207         is true.
208         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
209         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
210         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
211         target after ignore has been set, and move there also the commputation
212         of subtarget and original_target.
213         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
214         (LANG_HOOKS_INITIALIZER): Remove it.
215         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
216
217 2008-03-18  Richard Guenther  <rguenther@suse.de>
218
219         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
220         found an expression with constants, note that in the VN for the lhs.
221         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
222         fold them to constants if possible.  Run cleanup_cfg if done so.
223         (execute_pre): Return todo.
224         (do_pre): Likewise.
225         (execute_fre): Likewise.
226         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
227         of constants.
228         (get_prop_source_stmt): Look through pointer conversions.
229
230 2008-03-18  Jan Hubicka  <jh@suse.cz>
231
232         * tree-pretty-print.c: Include predict.h.
233         (dump_generic_node): Dump predictor.
234         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
235         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
236         * gimple-low.c (lower_stmt): Likewise.
237         * expr.c (expand_expr_real): Likewise.
238         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
239         them.
240         (build_predict_expr, build_predict_expr): New.
241         * predict.h (predictor_name, build_predict_expr): Update.
242         * c-typeck.c (c_finish_bc_stmt): Add prediction.
243         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
244         * predict.def (PRED_CONTINUE): Update hitrate.
245         * tree.def (PREDICT_EXPR): Define.
246         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
247         do not handle BIND_EXPR.
248         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
249         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
250         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
251         operands.
252
253 2008-03-18  Michael Matz  <matz@suse.de>
254
255         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
256
257 2008-03-18  Richard Guenther  <rguenther@suse.de>
258
259         * tree-gimple.h (is_gimple_invariant_address): Declare.
260         (is_gimple_constant): Likewise.
261         * tree-gimple.c (is_gimple_constant): New function.
262         (is_gimple_invariant_address): Likewise.
263         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
264         and is_gimple_invariant_address.
265         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
266         previous change.
267         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
268         an addressable base.
269
270 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
271
272         PR middle-end/35611
273         * gimplify.c (gimplify_expr): Gimplify second operand of
274         OMP_ATOMIC_LOAD.
275
276 2008-03-17  Richard Guenther  <rguenther@suse.de>
277
278         PR tree-optimization/19637
279         * fold-const.c (fold_unary): Remove restrictions of removing
280         intermediate pointer-conversions (P2)(P1)P0.
281         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
282         conversion to void pointer.
283         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
284
285 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
286
287         PR debug/31510
288         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
289         emulated thread local variables.
290
291 2008-03-16  Richard Guenther  <rguenther@suse.de>
292
293         PR middle-end/35607
294         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
295         expand TREE_INVARIANT operations that are not gimple invariant.
296
297 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
298
299         * doc/extend.texi (Alignment): Say that the ABI controls
300         the __alignof__ for non-strict-alignment targets rather
301         than being a recommendation.
302
303 2008-03-15  Paul Brook  <paul@codesourcery.com>
304
305         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
306         annotations.
307         (arm_output_fn_unwind): Mark functions that can not be unwound.
308
309 2008-03-15  Paul Brook  <paul@codesourcery.com>
310
311         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
312         extension instructions.
313
314 2008-03-15  Richard Guenther  <rguenther@suse.de>
315
316         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
317         and fold constant aggregate refs.
318         (fold_const_aggregate_ref): Handle string constants
319         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
320         (evaluate_stmt): Simplify now that ccp_fold folds constant
321         aggregate refs.
322
323 2008-03-15  Paul Brook  <paul@codesourcery.com>
324
325         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
326         (extzv): Use gen_extzv_t2.
327         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
328
329 2008-03-15  Richard Guenther  <rguenther@suse.de>
330
331         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
332         (fold_const_aggregate_ref): Likewise.
333         (get_value): Return NULL if we don't have any values.
334         (ccp_finalize): Set const_val to NULL after freeing it.
335         * tree-flow.h (get_symbol_constant_value): Declare.
336         (fold_const_aggregate_ref): Likewise.
337         * tree-ssa-sccvn.c (try_to_simplify): Use them.
338
339 2008-03-15  Richard Guenther  <rguenther@suse.de>
340
341         PR middle-end/35593
342         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
343         to not produce negative array indices if not allowed.  Add
344         parameter to indicate that.
345         (maybe_fold_offset_to_component_ref): Allow negative array
346         indices only for the first member of a structure.
347         (maybe_fold_offset_to_reference): Allow negative array indices.
348         (maybe_fold_stmt_addition): Likewise.
349
350 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
351             Anatoly Sokolov <aesok@post.ru>
352
353         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
354         (avr_arch): Add ARCH_AVR6.
355         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
356         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
357         instead of fixed value 2.
358         (print_operand_address): Use gs() asm specifier instead of pm().
359         (avr_assemble_integer): (Ditto.).
360         (avr_output_addr_vec_elt): (Ditto.).
361         (print_operand): Handle "!" code.
362         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
363         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
364         (AVR_HAVE_EIJMP_EICALL): Define.
365         (AVR_3_BYTE_PC): Redefine.
366         (AVR_2_BYTE_PC): (Ditto.).
367         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
368         (LINK_SPEC): Add atmega2560 and atmega2561.
369         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
370         (crtm2561.o).
371         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
372         for 3 byte PC devices.
373         (call_value_insn): (Ditto.).
374         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
375         (indirect_jump): Use only for for 2 byte PC devices.
376         (*tablejump): (Ditto.).
377         (*indirect_jump_avr6): Add insn.
378         (*tablejump_rjmp): Don't use for 3 byte PC devices.
379         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
380         instead of ijmp for 3 byte PC devices.
381         (__tablejump2__): (Ditto.).
382         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
383         (MULITLIB_DIRNAMES): (Ditto.). 
384         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
385
386 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
387
388         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
389         "sse2_umulsidi3".  Use V1DI mode for operand 0.
390         ("mmx_psadbw"): Use V1DI mode for operand 0.
391         * config/i386/i386-modes.def (V1SI): New vector mode.
392         * config/i386/i386.c (struct builtin_description)
393         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
394         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
395         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
396         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
397         v1di_ftype_v8qi_v8qi type.
398         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
399
400         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
401         __builtin_ia32_pmuludq]: Fix the mode of return value.
402
403 2008-03-15  Richard Guenther  <rguenther@suse.de>
404
405         PR middle-end/35595
406         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
407         being a PHI_NODE.
408
409 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
410         
411         * doc/invoke.texi (Option Summary, Xtensa Options): Document
412         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
413         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
414         unless TARGET_SERIALIZE_VOLATILE is enabled.
415         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
416         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
417         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
418
419 2008-03-14  Richard Guenther  <rguenther@suse.de>
420
421         PR tree-optimization/34172
422         * tree-flow.h (refs_may_alias_p): Declare.
423         (get_single_def_stmt): Likewise.
424         (get_single_def_stmt_from_phi): Likewise.
425         (get_single_def_stmt_with_phi): Likewise.
426         * tree-dfa.c (refs_may_alias_p): New function.
427         (get_single_def_stmt): Likewise.
428         (get_single_def_stmt_from_phi): Likewise.
429         (get_single_def_stmt_with_phi): Likewise.
430         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
431         (vn_reference_lookup_1): New helper function.
432         (vn_reference_lookup): Walk the virtual use-def chain to
433         continue searching for a match if the def does not alias the
434         reference we are looking for.
435
436 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
437
438         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
439         archive and Perzl.  Update The Written Word listing.
440
441 2008-03-14  Richard Guenther  <rguenther@suse.de>
442
443         PR tree-optimization/34043
444         PR tree-optimization/33989
445         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
446         when doing FRE.
447         (bitmap_find_leader): Use extra argument to verify dominance
448         relationship inside a basic-block.
449         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
450         (find_leader_in_sets): Adjust.
451         (create_component_ref_by_pieces): Take extra argument for
452         dominance check, handle lookup failures.
453         (find_or_generate_expression): Likewise.
454         (create_expression_by_pieces): Likewise.
455         (insert_into_preds_of_block): Adjust.
456         (create_value_expr_from): If asked for, verify all operands
457         are in the blocks AVAIL_OUT set.
458         (make_values_for_stmt): Check for SSA_NAMEs that are life
459         over an abnormal edge.
460         (compute_avail): Remove such check.
461         (do_SCCVN_insertion): New function.
462         (eliminate): If we do not find a leader suitable for replacement
463         insert a replacement expression from SCCVN if available.
464         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
465         (struct vn_ssa_aux): Add needs_insertion flag.
466         * tree-ssa-sccvn.c (may_insert): New global flag.
467         (copy_reference_ops_from_ref): Value-number union member access
468         based on its size, not type and member if insertion is allowed.
469         (visit_reference_op_load): For a weak match from union type
470         punning lookup a view-converted value and insert a SSA_NAME
471         for that value if that is not found.
472         (visit_use): Make dumps shorter.  Do not disallow value numbering
473         SSA_NAMEs that are life over an abnormal edge to constants.
474         (free_scc_vn): Release inserted SSA_NAMEs.
475         (run_scc_vn): New flag to specify whether insertion is allowed.
476         Process SSA_NAMEs in forward order.
477         * tree-ssa-loop-im.c (for_each_index): Handle invariant
478         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
479         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
480         pointer type to/from integral types that do not change the
481         precision to regular conversions.
482
483 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
484
485         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
486         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
487         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
488         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
489         input arguments and the mode of return value.  Built-in functions
490         that operate on whole 64-bit MMX register now use V1DI mode.
491
492 2008-03-13  Alon Dayan  <alond@il.ibm.com>
493             Olga Golovanevsky  <olga@il.ibm.com>
494
495         PR tree-optimization/35041
496         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
497         to locate the right position in a statement.
498
499 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
500
501         PR target/34000
502         PR target/35553
503         * config/i386/xmmintrin.h:  Change all static inline functions to
504         extern inline and add __gnu_inline__ attribute.
505         * config/i386/bmintrin.h: Ditto.
506         * config/i386/smmintrin.h: Ditto.
507         * config/i386/tmmintrin.h: Ditto.
508         * config/i386/mmintrin-common.h: Ditto.
509         * config/i386/ammintrin.h: Ditto.
510         * config/i386/emmintrin.h: Ditto.
511         * config/i386/pmmintrin.h: Ditto.
512         * config/i386/mmintrin.h: Ditto.
513         * config/i386/mm3dnow.h: Ditto.
514
515 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
516
517         PR middle-end/35185
518         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
519         (lower_omp_2): New function.
520         (lower_omp_1, lower_omp): Rewritten.
521
522 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
523
524         PR 35054
525         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
526         with the phrase "Microsoft Windows compilers".
527         (Push/Pop Macro Pragmas): New subsection. Document
528         #pragma push_macro and pragma pop_macro.
529
530 2008-03-12  Paul Brook  <paul@codesourcery.com>
531
532         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
533
534 2008-03-12  Paul Brook  <paul@codesourcery.com>
535
536         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
537         (thumb2_alusi3_short): Exclude PLUS and MINUS.
538         (thumb2_addsi_shortim): Rename ...
539         (thumb2_addsi_short): ... to this.  Allow register operands.
540         (thumb2_subsi_short): New pattern.
541         (thumb2_one_cmplsi2_short,
542         thumb2_negsi2_short): New patterns and peepholes.
543
544 2008-03-12  Paul Brook  <paul@codesourcery.com>
545
546         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
547
548 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
549
550         * config/i386/i386.md (int_cond): New code iterator.
551         (fp_cond): Ditto.
552         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
553         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
554         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
555         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
556         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
557         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
558         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
559         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
560
561 2008-03-12  Paul Brook  <paul@codesourcery.com>
562
563         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
564         instead of {arm,thumb}_compute_save_reg_mask.
565         (output_return_instruction): Ditto.
566         (thumb_unexpanded_epilogue): Ditto.
567         (thumb1_expand_prologue): Ditto.
568         (thumb1_output_function_prologue): Ditto.
569         (arm_set_return_address): Ditto.
570         (thumb_set_return_address): Ditto.
571         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
572         regs to achieve stack alignment.
573         (thumb1_compute_save_reg_mask): Fix compiler warning.
574         (arm_output_epilogue): Use offsets->saved_regs_mask.
575         Adjust stack pointer by poping call clobered registers.
576         (arm_expand_prologue): Use offsets->saved_regs_mask.
577         Adjust stack pointer by pushing extra registers.
578         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
579
580 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
581
582         PR tree-opt/35422
583         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
584         conversion to the operands of a multiplication.
585
586 2008-03-12  Richard Guenther  <rguenther@suse.de>
587
588         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
589         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
590         * timevar.def (TV_TREE_PHIPROP): Add.
591         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
592         pass description.  Use TV_TREE_PHIPROP.
593         * tree-ssa-forwprop.c: Remove phiprop code.
594
595 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
596
597         PR middle-end/35549
598         * omp-low.c (maybe_lookup_decl): Constify first argument.
599         (use_pointer_for_field): Change last argument from bool to
600         omp_context *.  Disallow shared copy-in/out in nested
601         parallel if decl is shared in outer parallel too.
602         (build_outer_var_ref, scan_sharing_clauses,
603         lower_rec_input_clauses, lower_copyprivate_clauses,
604         lower_send_clauses, lower_send_shared_vars): Adjust callers.
605
606 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
607             Ira Rosen  <irar@il.ibm.com>
608
609         * tree-vectorizer.c (free_stmt_vec_info): New function.
610         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
611         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
612         * tree-vectorizer.h (free_stmt_vec_info): Declare.
613         * tree-vect-transform.c (vectorizable_conversion): Free
614         vec_oprnds0 if it was allocated.
615         (vect_permute_store_chain): Remove unused VECs.
616         (vectorizable_store): Free VECs that are allocated in the..
617         function.
618         (vect_transform_strided_load, vectorizable_load): Likewise.
619         (vect_remove_stores): Simplify the code.
620         (vect_transform_loop): Move code to vect_remove_stores().
621         Call vect_remove_stores() and free_stmt_vec_info().
622
623 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
624
625         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
626         TARGET_HPUX.  Revise comment.
627         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
628         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
629         Use sr4 variant of `be' instruction when not generating PIC code.
630         (attr_length_call): Adjust for above change.
631
632 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
633
634         * ipa-reference.c (static_execute): Remove module_statics_const and
635         associated setting code.
636
637 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
638
639         PR target/35540
640         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
641         predicate for operand 1.
642         (paritysi2_cmp): Use register_operand predicate for operand 2.
643         Use earlyclobber modifier for operand 1.  Remove support for
644         memory operands.
645         (paritydi2_cmp): Use register_operand predicate for operand 3.
646         Use earlyclobber modifier for operand 1.  Remove support for
647         memory operands.
648
649 2008-03-11  Paul Brook  <paul@codesourcery.com>
650             Vladimir Prus  <vladimir@codesourcery.com>
651
652         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
653         (arm_compute_save_reg0_reg12_mask): Always
654         check if register 11 must be saved.  Always safe hard frame pointer
655         when frame_pointer_needeed.
656         (arm_compute_save_reg_mask): Save IP and PC
657         only with apcs frames.
658         (arm_output_epilogue): Adjust Thumb2 codepath to
659         be also invoked and work for ARM non-apcs frames.
660         (arm_expand_prologue): Don't bother saving IP
661         for non-apcs frame, since it's not clobbered by
662         prologue code.  Implement non-apcs frame
663         layout.
664
665 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
666
667         PR rtl-optimization/35281
668         * expr.c (convert_move): Use a new pseudo for the intermediate
669         from_mode->word_mode result.
670
671 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
672
673         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
674         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
675         * toplev.c (compile_file): Don't call it.
676
677 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
678
679         PR middle-end/35526
680         * expr.c (store_expr): Call emit_block_move if the mode
681         of "temp" RTX is BLKmode.
682
683 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
684             Richard Guenther  <rguenther@suse.de>
685
686         PR tree-optimization/31358
687         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
688         the step with a NULL_TREE.
689         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
690         to sizetype if type is a pointer type.
691         (add_candidate_1): Don't convert the base and step to
692         the generic type if the orginal type is a pointer type.
693         (add_iv_value_candidates): Use sizetype for the step
694         if type is a pointer type.
695         (cand_value_at): Likewise.
696         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
697         for pointer types.
698         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
699         Don't convert the tem affine to the type.
700         (add_elt_to_tree): Use sizetype for the step if a pointer.
701         Use POINTER_PLUS_EXPR for pointers.
702         (aff_combination_to_tree): Use sizetype for the step if a
703         pointer.
704
705 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
706
707         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
708         Remove commutativity hint.
709
710 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
711
712         PR c/35438
713         PR c/35439
714         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
715         errorneous type.  Check that v is a VAR_DECL.
716
717         PR middle-end/35099
718         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
719
720 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
721
722         PR tree-optimization/35494
723         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
724         may be overriden at link and run time.
725
726 2008-03-10  Richard Guenther  <rguenther@suse.de>
727
728         PR tree-optimization/34677
729         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
730         (poolify_tree): Likewise.
731         (modify_expr_template): Likewise.
732         (poolify_modify_stmt): Likewise.
733         (insert_fake_stores): Handle all component-ref style stores
734         in addition to INDIRECT_REF.  Also handle complex types.
735         Do not poolify the inserted load.
736         (realify_fake_stores): Do not rebuild the tree but only
737         make it a SSA_NAME copy.
738         (init_pre): Remove initialzation of modify_expr_template.
739         Do not allocate modify_expr_node_pool.
740         (fini_pre): Do not free modify_expr_node_pool.
741
742 2008-03-10  Paul Brook  <paul@codesourcery.com>
743
744         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
745         to avoid conflicts.
746
747 2008-03-10  Paul Brook  <paul@codesourcery.com>
748             Mark Shinwell  <shinwell@codesourcery.com>
749
750         * config/arm/cortex-r4.md: New.
751         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
752         insn attributes.
753         * config/arm/arm.md: Include cortex-r4.md.
754         (insn): Add smmls, sdiv and udiv values.
755         (generic_sched): Don't use generic scheduling for Cortex-R4.
756         (arm_issue_rate): New function.
757         (TARGET_SCHED_ISSUE_RATE): Define.
758
759 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
760
761         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
762
763 2008-03-10  Richard Guenther  <rguenther@suse.de>
764
765         * tree-ssa-pre.c (get_sccvn_value): Simplify.
766         (compute_avail): Do not add stmt uses to AVAIL_OUT.
767
768 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
769
770         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
771         Set default to true.
772
773 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
774
775         * c.opt (Wsynth): Deprecate.
776         * doc/invoke.texi (Option Summary, Warning Options): Document
777         -Wno-format-contains-nul.
778
779 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
780
781         PR target/35496
782         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
783         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
784
785 2008-03-09  Ira Rosen  <irar@il.ibm.com>
786
787         * config/rs6000/rs6000.c (builtin_description): Rename vector
788         left shift operations.
789         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
790         (altivec_vsl<VI_char>): Rename to ...
791         (ashl<mode>3): ... new name.
792         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
793         gen_ashlv4si3.
794         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
795
796 2008-03-08  Richard Guenther  <rguenther@suse.de>
797
798         * coverage.h (tree_coverage_counter_addr): Declare.
799         * coverage.c (tree_coverage_counter_addr): New function.
800         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
801         before using again.
802         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
803         (tree_gen_one_value_profiler): Likewise.
804         (tree_gen_ic_profiler): Likewise.
805         (tree_gen_average_profiler): Likewise.
806         (tree_gen_ior_profiler): Likewise.
807
808 2008-03-08  Richard Guenther  <rguenther@suse.de>
809
810         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
811         (vn_binary_op_insert): Likewise.
812         (vn_unary_op_lookup): Likewise.
813         (vn_unary_op_insert): Likewise.
814         (vn_nary_op_lookup): Declare.
815         (vn_nary_op_insert): Likewise.
816         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
817         and binary hashes, use a single obstack for unary_op_pool
818         and binary_op_pool.
819         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
820         a single struct vn_nary_op_s.  Store tree code length and
821         a variable number of operands.
822         (struct vn_reference_op_struct): Remove unused op2.
823         (vn_reference_op_eq): Do not compare op2.
824         (vn_reference_op_compute_hash): Do not compute hash of op2.
825         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
826         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
827         with vn_nary_op_compute_hash.
828         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
829         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
830         vn_nary_op_lookup.
831         (vn_unary_op_insert, vn_binary_op_insert): Replace with
832         vn_nary_op_insert.
833         (visit_unary_op): Call nary functions.
834         (visit_binary_op): Likewise.
835         (process_scc): Adjust for struct vn_tables_s changes.
836         (allocate_vn_table): Likewise.
837         (free_vn_table): Likewise.
838         * tree-vn.c (vn_add): Call nary functions.
839         (vn_lookup): Likewise.
840
841 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
842
843         PR target/35498
844         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
845         wdst back after sync_compare_and_swapqhi_internal.
846
847 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
848
849         PR target/22152
850         * config/i386/i386-modes.def (V1DI): New vector mode.
851         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
852         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
853         (MMXMODE248): Ditto.
854         (MMXMODE): Add V1DI mode.
855         (mmxvecsize): Change DI mode to V1DI mode.
856         ("mov<mode>): Use MMXMODEI8 mode iterator.
857         ("*mov<mode>_internal_rex64"): Ditto.
858         ("*mov<mode>_internal"): Ditto.
859         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
860         ("mmx_sub<mode>3"): Ditto.
861         ("mmx_adddi3"): Remove insn pattern.
862         ("mmx_subdi3"): Ditto.
863         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
864         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
865         ("mmx_ashl<mode>3"): Ditto.
866         ("mmx_lshrdi3"): Remove insn pattern.
867         ("mmx_ashldi3"): Ditto.
868         * config/i386/i386.c (classify_argument): Handle V1DImode.
869         (function_arg_advance_32): Ditto.
870         (function_arg_32): Ditto.
871         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
872         mmx_addv1di3 insn pattern.
873         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
874         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
875         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
876         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
877         Remove definitions of built-in functions.
878         (V1DI_type_node): New node.
879         (v1di_ftype_v1di_int): Ditto.
880         (v1di_ftype_v1di_v1di): Ditto.
881         (v2si_ftype_v2si_si): Ditto.
882         (v4hi_ftype_v4hi_di): Remove node.
883         (v2si_ftype_v2si_di): Ditto.
884         (ix86_init_mmx_sse_builtins): Handle V1DImode.
885         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
886         Redefine builtins using def_builtin_const with *_ftype_*_int node.
887         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
888         Add new builtins using def_builtin_const.
889         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
890         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
891         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
892         * config/i386/mmintrin.h (__v1di): New typedef.
893         (_mm_add_si64): Cast arguments to __v1di type.
894         (_mm_sub_si64): Ditto.
895         (_mm_sll_pi16): Cast __count to __v4hi type.
896         (_mm_sll_pi32): Cast __count to __v2si type.
897         (_mm_sll_si64): Cast arguments to __v1di type.
898         (_mm_srl_pi16): Cast __count to __v4hi type.
899         (_mm_srl_pi32): Cast __count to __v2si type.
900         (_mm_srl_si64): Cast arguments to __v1di type.
901         (_mm_sra_pi16): Cast __count to __v4hi type.
902         (_mm_sra_pi32): Cast __count to __v2si type.
903         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
904         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
905         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
906         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
907         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
908         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
909         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
910         (_mm_srai_pi32): Use __builtin_ia32_psradi.
911         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
912         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
913         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
914         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
915
916 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
917
918         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
919
920 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
921
922         PR target/35373
923         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
924         reg+const addressing for Altivec modes.  Don't generate reg+reg
925         addressing for TFmode or TDmode quantities.
926
927 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
928
929         * c-common.c (vector_types_convertible_p): Call langhook
930         instead of comptypes.
931
932 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
933
934         PR tree-opt/35402
935         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
936         integral and scalar float variables which have a
937         NULL DECL_INITIAL.
938
939 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
940
941         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
942         dwarf_register_span hook when emitting unwind information for
943         register-to-memory saves.
944         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
945         (rs6000_frame_related): Remove call to spe_synthesize_frame.
946
947 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
948
949         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
950         for the same VAR_DECL.
951
952 2008-03-06  Tom Tromey  <tromey@redhat.com>
953
954         * treelang: Delete.
955         * doc/standards.texi (Standards): Don't mention treelang.
956         * doc/invoke.texi (Overall Options): Don't mention treelang.
957         * doc/install.texi (Prerequisites): Don't mention bison or
958         treelang.
959         (Configuration): Don't mention treelang.
960         (Building): Likewise.
961         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
962
963 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
964
965         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
966         word-extractions out of a multi-word object.
967
968 2008-03-06  Richard Guenther  <rguenther@suse.de>
969
970         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
971         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
972         result type and precision.
973         * expr.c (get_inner_reference): Set unsignedp based on the result
974         type of BIT_FIELD_REF.
975         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
976         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
977         (try_instantiate_multiple_fields): Likewise.  Use the correct type
978         for BIT_FIELD_REF.
979         (sra_build_assignment): Likewise.
980         (sra_build_elt_assignment): Likewise.
981         (sra_explode_bitfield_assignment): Likewise.
982         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
983         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
984         set BIT_FIELD_REF_UNSIGNED.
985         (vectorizable_load): Likewise.
986
987 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
988
989         * cse.c (cse_extended_basic_block): Invalidate artificial defs
990         at bb start.
991
992 2008-03-06  Richard Guenther  <rguenther@suse.de>
993
994         * alias.c (struct alias_set_entry): Move has_zero_child field
995         to pack with alias_set.
996
997 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
998
999         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1000         32bit host.
1001
1002 2008-03-05  Ian Lance Taylor  <iant@google.com>
1003
1004         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
1005
1006 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
1007
1008         * fwprop.c (update_df): Support width and offset parameters of
1009         df_ref_create.
1010         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
1011         global_conflicts): Change DF_REF_EXTRACT to either
1012         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1013         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1014         * df-scan.c (df_ref_record, df_defs_record,
1015         df_ref_create_structure, df_def_record_1, df_uses_record,
1016         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
1017         df_bb_refs_collect, df_entry_block_defs_collect,
1018         df_exit_block_uses_collect): Support new width and offset fields.
1019         (ref_extract_pool): New storage pool.
1020         (df_free_ref): New function.
1021         (df_reg_chain_unlink, df_free_collection_rec,
1022         df_sort_and_compress_refs): Call df_free_ref.
1023         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
1024         of df_ref_extract.
1025         (df_ref_create_structure): Allocate df_ref_extract if offset and
1026         width fields are used.
1027         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
1028         (df_uses_record): Get offset and width from ZERO_EXTRACT 
1029         and SIGN_EXTRACT.
1030         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
1031         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1032         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1033         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
1034         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1035         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1036         (df_ref_extract): New structure.
1037         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
1038         (df_ref_create): Add width and offset parameters.
1039         
1040 2008-03-05  Richard Guenther  <rguenther@suse.de>
1041
1042         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1043         Use ranges_overlap_p.
1044         (offset_overlaps_with_access): Rename
1045         to ranges_overlap_p and move ...
1046         * tree-flow-inline.h (ranges_overlap_p): ... here.
1047
1048         * tree.h (get_inner_reference, handled_component_p): Update
1049         comments.
1050
1051         * tree.h (record_component_aliases, get_alias_set,
1052         alias_sets_conflict_p, alias_sets_must_conflict_p,
1053         objects_must_conflict_p): Move declarations ...
1054         * alias.h (record_component_aliases, get_alias_set,
1055         alias_sets_conflict_p, alias_sets_must_conflict_p,
1056         objects_must_conflict_p): ... here.
1057         Include coretypes.h.
1058         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
1059
1060 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
1061
1062         * cfg.c: Include tree-flow.h.
1063         (remove_edge_raw): Call redirect_edge_var_map_clear.
1064         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
1065         * tree-flow-inline.h (redirect_edge_var_map_def): New.
1066         (redirect_edge_var_map_result): New.
1067         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
1068         PENDING_STMT use with redirect_edge_var_map_*.
1069         * tree-ssa.c (edge_var_maps): New definition.
1070         (redirect_edge_var_map_add): New.
1071         (redirect_edge_var_map_clear): New.
1072         (redirect_edge_var_map_dup): New.
1073         (redirect_edge_var_map_vector): New.
1074         (redirect_edge_var_map_destroy): New.
1075         (ssa_redirect_edge): Replace PENDING_STMT use with
1076         redirect_edge_var_map_*.
1077         (flush_pending_stmts): Same.
1078         (delete_tree_ssa): Destroy edge var map.
1079         * tree-flow.h (struct _edge_var_map): New.
1080         Define edge_var_map vector type.
1081         Declare redirect_edge_var_map_* prototypes.
1082         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
1083         * tree-cfg.c (reinstall_phi_args): Replace
1084         PENDING_STMT use with redirect_edge_var_map_*.
1085
1086 2008-03-05  Richard Guenther  <rguenther@suse.de>
1087
1088         PR tree-optimization/35472
1089         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
1090         whose single use_stmt has a overlapping set of loaded and
1091         stored symbols as that use_stmt might be a noop assignment then.
1092
1093 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
1094
1095         * gthr-rtems.h: Implement __gthread_mutex_destroy.
1096
1097 2008-03-05  Richard Guenther  <rguenther@suse.de>
1098
1099         PR c++/35336
1100         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
1101         should be constants.
1102         * tree-cfg.c (verify_expr): Verify it.
1103         * fold-const.c (fold_truthop): Remove code generating
1104         BIT_FIELD_REFs of structure bases.
1105         (fold_binary): Likewise.
1106         (fold_ternary): Position and size of BIT_FIELD_REFs are
1107         always host integers.
1108         (make_bit_field_ref): Remove.
1109         (optimize_bit_field_compare): Remove.
1110         (all_ones_mask_p): Remove.
1111
1112 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
1113
1114         PR gcc/33009
1115         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
1116         (split_block_and_df_analyze): New. Split basic block and rebuild
1117         dataflow.
1118         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
1119         SPLIT_BLOCK.
1120         (split_pattern_seq): Likewise.
1121         (erase_matching_seqs): Likewise.
1122         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
1123
1124 2008-03-04  Geoff Keating  <geoffk@apple.com>
1125
1126         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
1127         declaration and code.
1128         (tree_invalid_nonnegative_warnv_p): Likewise.
1129
1130 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
1131
1132         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
1133         examples.  Truncate option-names then causing overfull hbox.
1134
1135 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1136
1137         PR target/35222
1138         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
1139         on hpux10.
1140         * configure: Rebuilt.
1141
1142 2008-03-04  Rafael Espindola  <espindola@google.com>
1143
1144         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
1145         (tree_unary_nonnegative_warnv_p): New.
1146         (tree_binary_nonnegative_warnv_p): New.
1147         (tree_single_nonnegative_warnv_p): New.
1148         (tree_invalid_nonnegative_warnv_p): New.
1149         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
1150
1151 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1152
1153         PR 28322
1154         * opts.c (handle_option): Postpone 'unknown option' errors only for
1155         warning options.
1156
1157 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
1158
1159         PR target/35453
1160         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
1161         (_SIDD_XXX): This.
1162
1163 2008-03-04  Rafael Espindola  <espindola@google.com>
1164
1165         * fold-const.c (tree_unary_nonzero_warnv_p): New.
1166         (tree_binary_nonzero_warnv_p): New.
1167         (tree_single_nonzero_warnv_p): New.
1168         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
1169
1170 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
1171
1172         PR middle-end/35456
1173         * fold-const.c (fold_cond_expr_with_comparison): Prevent
1174         transformations for modes that have signed zeros.
1175         * ifcvt.c (noce_try_abs): Ditto.
1176
1177 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
1178
1179         * config/i386/i386.c (override_options): Force
1180         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
1181
1182 2008-03-04  Jan Hubicka  <jh@suse.cz>
1183
1184         PR c++/35262
1185         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
1186         in last commit.
1187
1188 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
1189
1190         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
1191         label to probe the stack.
1192
1193 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
1194
1195         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
1196         (__gthr_win32_mutex_destroy): Declare.
1197         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
1198         __gthr_win32_mutex_destroy.
1199         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
1200
1201 2008-03-03  Jan Hubicka  <jh@suse.cz>
1202
1203         PR c++/35262
1204         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
1205         aggressive on inlining cold calls.
1206
1207 2008-03-03  Richard Guenther  <rguenther@suse.de>
1208
1209         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
1210         struct copies into the expression table.
1211         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
1212         (try_to_simplify): Likewise.
1213         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
1214         integral and pointer arguments which do not change the
1215         precision to NOP_EXPRs.
1216         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
1217         VIEW_CONVERT_EXPR case.
1218
1219 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1220
1221         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
1222         defined in a loop at depth 0 is invariant.
1223         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
1224         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
1225         be called at loop depth 0.
1226
1227 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
1228
1229         PR driver/35420
1230         * gcc.c (process_command): Update copyright notice dates.
1231         * gcov.c (print_version): Likewise.
1232         * gcov-dump.c (print_version): Likewise.
1233         * mips-tfile.c (main): Likewise.
1234         * mips-tdump.c (main): Likewise.
1235
1236 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1237
1238         PR 24924
1239         * c-common.c (flag_permissive): Delete.
1240         (constant_expression_warnings): Check flags first.
1241         (constant_expression_error): New.
1242         * c-common.h (flag_permissive): Delete.
1243         (constant_expression_error): Declare.
1244         * flags.h (flag_permissive): Declare. Update description.
1245         * diagnostic.c (pedwarn): Update.
1246         (permerror): New.
1247         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
1248         (permissive_error_kind): New.
1249         * toplev.c (flag_permissive): Define. Update description.
1250         * toplev.h (permissive_error_kind): Declare.
1251         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
1252         (pedwarn_c90): Use pedantic_warning_kind.
1253         * c-opts.c (c_common_post_options): flag_permissive does not affect
1254         flag_pedantic_errors.
1255
1256 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
1257
1258         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
1259         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
1260         __absvsi2, __absvDI2): Use unsigned arithmetic.
1261
1262 2008-03-02  Andi Kleen  <ak@suse.de>
1263             Richard Guenther  <rguenther@suse.de>
1264
1265         * struct-equiv.c: Remove file.
1266         * cfg_cleanup.c (condjump_equiv_p): Remove.
1267         * Makefile.in (OBJS-common): Remove struct-equiv.o.
1268         (struct-equiv.o): Remove rule.
1269         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
1270         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
1271         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
1272
1273 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1274
1275         * ifcvt.c (noce_process_if_block): Try to handle only the then
1276         block if the else block exists but isn't suitable.
1277
1278 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
1279
1280         PR gcc/35063
1281         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
1282         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
1283         regression from previous patch.
1284
1285 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
1286
1287         PR gcc/35063
1288         * gthr.h: Add __gthread_mutex_destroy as a function that must be
1289         implemented.
1290         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
1291         * gthr-single.h (__gthread_mutex_destroy): Likewise.
1292         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
1293         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
1294         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
1295         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
1296         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
1297         (__gthread_mutex_destroy_function): Rename to
1298         __gthread_mutex_destroy.
1299         * gthr-dce.h (__gthread_mutex_destroy): Call
1300         pthread_mutex_destroy.
1301         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
1302         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
1303         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
1304
1305 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1306
1307         * df-scan.c (df_ref_chain_change_bb): Simplify.
1308         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
1309         set_block_for_insn if there's any change.
1310         * df.h ((df_insn_change_bb): Fix prototype.
1311         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
1312         df_insn_change_bb, don't call set_block_for_insn.
1313         * emit-rtl.c (reorder_insns): Likewise.
1314         * haifa-sched.c (move_insn): Likewise.
1315
1316 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1317
1318         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
1319
1320 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1321
1322         * tree-flow-inline.h (next_readonly_imm_use): Return
1323         NULL_USE_OPERAND_P after the end.
1324
1325 2008-03-01  Richard Guenther  <rguenther@suse.de>
1326
1327         PR tree-optimization/35411
1328         * tree-sra.c (sra_build_assignment): Split conversion to
1329         final type to a separate statement if we are not assigning
1330         to a register.
1331
1332 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1333
1334         * fold-const.c (fold_convertible_p): Correct the logic to follow
1335         that in fold_convert().
1336
1337 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
1338
1339         PR c++/35315
1340         * tree-inline.c (build_duplicate_type): When we make a
1341         duplicate type, make it unique in the canonical types system.
1342
1343 2008-02-29  Tom Tromey  <tromey@redhat.com>
1344
1345         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
1346         input_file_stack_history, input_file_stack_restored): Remove.
1347         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1348         * input.h (struct file_stack): Remove.
1349         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1350         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
1351         Likewise.
1352         * diagnostic.h (struct diagnostic_context) <last_module>: Change
1353         type.
1354         (diagnostic_last_module_changed): Add 'map' argument.
1355         (diagnostic_set_last_function): Likewise.
1356         * diagnostic.c (undiagnostic_report_current_module): Iterate using
1357         line map, not input_file_stack.
1358         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
1359
1360 2008-02-29  Paul Brook  <paul@codesourcery.com>
1361
1362         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
1363
1364 2008-02-29  Paul Brook  <paul@codesourcery.com>
1365
1366         * config/arm/ieee754-df.S (muldf3): Use RET macros.
1367
1368 2008-02-29  Richard Guenther  <rguenther@suse.de>
1369
1370         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
1371         vn_lookup_or_add.
1372         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
1373         value for comparing for a store match.
1374         (simplify_unary_expression): Do nothing for SSA_NAMEs.
1375         (try_to_simplify): Do not do a full-blown reference lookup.
1376
1377 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
1378
1379         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
1380         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1381
1382         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
1383
1384 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
1385
1386         * tree-loop-linear.c (try_interchange_loops): Compare memory access
1387         strides against cache sizes.
1388
1389 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
1390
1391         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
1392         constant to fpul.
1393
1394 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
1395
1396         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
1397         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
1398         is smaller than the original promoted value.
1399         (simplify_subreg): If OP is a SUBREG, try to preserve its
1400         SUBREG_PROMOTED_VAR_P information.
1401
1402 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
1403
1404         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
1405         (VN_INFO_GET): Allocate new objects on the obstack.
1406         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
1407         for rpo_numbers_temp, for consistency.
1408         (free_scc_vn): Free the obstack.
1409
1410 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
1411
1412         * doc/invoke.texi: Document -ftree-loop-distribution.
1413         * tree-loop-distribution.c: New.
1414         * tree-pass.h (pass_loop_distribution): New.
1415         * graphds.h (struct graph): Add htab_t indices.
1416         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
1417         * tree-vectorizer.c (rename_variables_in_loop): Extern.
1418         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
1419         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
1420         * tree-data-ref.c (debug_data_dependence_relations): New.
1421         (dump_data_dependence_relation): Also print data references.
1422         (free_data_ref): Extern.
1423         (same_access_functions): Moved...
1424         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
1425         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1426         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
1427         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
1428         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
1429         (stmts_from_loop): Skip LABEL_EXPR.
1430         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
1431         New.
1432         (build_rdg): Initialize rdg->indices htab.
1433         (free_rdg, stores_from_loop, ref_base_address,
1434         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
1435         have_similar_memory_accesses_1, ref_base_address_1,
1436         remove_similar_memory_refs): New.
1437         * tree-data-ref.h: Depend on tree-chrec.h.
1438         (debug_data_dependence_relations, free_data_ref): Declared.
1439         (same_access_functions): ... here.
1440         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
1441         New.
1442         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
1443         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
1444         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
1445         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1446         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
1447         rdg_vertex_for_stmt): Declared.
1448         (struct rdg_edge): Add level.
1449         (RDGE_LEVEL): New.
1450         (free_rdg, stores_from_loop, remove_similar_memory_refs,
1451         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
1452         Declared.
1453         (rdg_has_similar_memory_accesses): New.
1454         * tree-vect-analyze.c: Remove unused static decls.
1455         * lambda.h (dependence_level): New.
1456         * common.opt (ftree-loop-distribution): New.
1457         * tree-flow.h (mark_virtual_ops_in_bb, 
1458         slpeel_tree_duplicate_loop_to_edge_cfg,
1459         rename_variables_in_loop): Declared.
1460         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
1461         (OBJS-common): Add tree-loop-distribution.o.
1462         (tree-loop-distribution.o): New rule.
1463         * tree-cfg.c (mark_virtual_ops_in_bb): New.
1464         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
1465         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
1466
1467 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
1468
1469         PR target/33963
1470         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
1471         other than structures and unions.
1472
1473 2008-02-28  Richard Guenther  <rguenther@suse.de>
1474
1475         Revert:
1476         2008-02-26  Richard Guenther  <rguenther@suse.de>
1477
1478         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1479         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1480         (lookup_decl_from_uid): Declare.
1481         (remove_decl_from_map): Likewise.
1482         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1483         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1484         (decl_for_uid_map): New global hashtable mapping DECL_UID
1485         to the decl tree.
1486         (init_ttree): Allocate it.
1487         (insert_decl_to_uid_decl_map): New helper function.
1488         (make_node_stat): Insert new decls into the map.
1489         (copy_node_stat): Likewise.
1490         (lookup_decl_from_uid): New function.
1491         (remove_decl_from_map): Likewise.
1492         (print_decl_for_uid_map_statistics): New helper.
1493         (dump_tree_statistics): Call it.
1494
1495         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1496         (referenced_var_iterator): Adjust.
1497         (FOR_EACH_REFERENCED_VAR): Adjust.
1498         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1499         (num_referenced_vars): Adjust.
1500         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1501         (first_referenced_var): Remove.
1502         (end_referenced_vars_p): Likewise.
1503         (next_referenced_var): Likewise.
1504         (referenced_var_iterator_set): New helper function.
1505         * tree-dfa.c (referenced_var_lookup): Adjust.
1506         (referenced_var_check_and_insert): Likewise.
1507         (remove_referenced_var): Likewise.
1508         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1509         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1510         (verify_call_clobbering): Likewise.
1511         (verify_memory_partitions): Likewise.
1512         (init_tree_ssa): Allocate bitmap instead of hashtable for
1513         referenced_vars.
1514         (delete_tree_ssa): Adjust.
1515         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1516         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1517         (compute_tag_properties): Likewise.
1518         (set_initial_properties): Likewise.
1519         (find_partition_for): Likewise.
1520         (update_reference_counts): Likewise.
1521         (dump_may_aliases_for): Likewise.
1522         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1523         (add_call_clobber_ops): Likewise.
1524         (add_call_read_ops): Likewise.
1525         (get_asm_expr_operands): Likewise.
1526         * tree-into-ssa.c (dump_decl_set): Likewise.
1527         (update_ssa): Likewise.
1528         * tree-sra.c (scan_function): Likewise.
1529         (decide_instantiations): Likewise.
1530         (scalarize_parms): Likewise.
1531         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1532         (dsa_named_for): Likewise.
1533         * tree-ssa-structalias.c (update_alias_info): Likewise.
1534         (merge_smts_into): Likewise.
1535
1536 2008-02-27  David Daney  <ddaney@avtrex.com>
1537
1538         PR target/34409
1539         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
1540         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
1541         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
1542         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
1543         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
1544
1545 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
1546
1547         PR target/25477
1548         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
1549         (BUILT_IN_NEXTTOWARD): Remove.
1550         (BUILT_IN_NEXTTOWARDF): Ditto.
1551         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
1552         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
1553
1554 2008-02-27  Tom Tromey  <tromey@redhat.com>
1555
1556         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
1557         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
1558
1559 2008-02-27  Jan Beulich  <jbeulich@novell.com>
1560
1561         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
1562         update the respective field on newdecl.
1563
1564 2008-02-27  Revital Eres  <eres@il.ibm.com>
1565
1566         PR rtl-optimization/34999
1567         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
1568         crossing edges that ends with a call insn.
1569         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
1570         call insn and clear the EDGE_CROSSING flag of the crossing edge
1571         when fixing fallthru edges.
1572
1573 2008-02-27  Richard Guenther  <rguenther@suse.de>
1574
1575         PR middle-end/35390
1576         * fold-const.c (fold_unary): Return the correct argument,
1577         converted to the result type.
1578
1579 2008-02-27  Richard Guenther  <rguenther@suse.de>
1580
1581         PR middle-end/34971
1582         * expr.c (expand_expr_real_1): Assert on rotates that operate
1583         on partial modes.
1584         * fold-const.c (fold_binary): Use the types precision, not the
1585         bitsize of the mode if folding rotate expressions.  Build rotates
1586         only for full modes.
1587
1588 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
1589
1590         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
1591         and CPP_PRAGMA_EOL.
1592         * c-pragma.c (pragma_ns_name): New typedef.
1593         (registered_pp_pragmas): New variable.
1594         (c_pp_lookup_pragma): New function.
1595         (c_register_pragma_1): If flag_preprocess_only, do nothing
1596         for non-expanded pragmas, for expanded ones push pragma's
1597         namespace and name into registered_pp_pragmas vector.
1598         (c_invoke_pragma_handler): Register OpenMP pragmas even when
1599         flag_preprocess_only, don't register GCC pch_preprocess
1600         pragma if flag_preprocess_only.
1601         * c-opts.c (c_common_init): Call init_pragma even if
1602         flag_preprocess_only.
1603         * c-pragma.c (c_pp_lookup_pragma): New prototype.
1604         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
1605         cpp_register_pragma if flag_preprocess_only.
1606
1607 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1608
1609         PR c/28800
1610         * c-parser.c (c_parser_translation_unit): Warn for empty
1611         translation unit, not empty source file.
1612
1613 2008-02-26  Paul Brook  <paul@codesourcery.com>
1614
1615         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
1616         operand for Thumb-2.
1617         * config/arm/arm.h (reg_class): Add CORE_REGS.
1618         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
1619         (BASE_REG_CLASS): Use CORE_REGS.
1620         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
1621         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
1622         (REGNO_OK_FOR_INDEX_P): Exclude SP.
1623         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
1624         ARM_REGNO_OK_FOR_INDEX_P.
1625         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
1626         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
1627         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
1628         (ldm/stm peepholes): Ditto.
1629         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
1630         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
1631         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
1632         * config/arm/constraints.md: Enable "k" constraint on ARM.
1633
1634 2008-02-27  Ben Elliston  <bje@au.ibm.com>
1635
1636         * config/rs6000/rs6000.c: Annotate cache line size field in all
1637         instances of struct processor_costs.
1638
1639 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
1640
1641         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
1642         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
1643         jump_bypass): New counters.
1644         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
1645         * dce.c (gate_ud_dce): Same.
1646         (gate_fast_dce): Same.
1647         * dse.c (gate_dse1): New function.
1648         (gate_dse2): New function.
1649         (gate_dse): Merge results of new gate functions.
1650         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
1651         (gate_handle_jump_bypass): Add dbg_cnt.
1652         (gate_handle_gcse): Add dbg_cnt.
1653         * ifcvt.c (gate_handle_if_conversion): Same.
1654         (gate_handle_if_after_combine): Same.
1655         (gate_handle_if_after_reload): Same.
1656         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
1657
1658 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
1659
1660         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
1661         line sizes.
1662         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
1663
1664 2008-02-26  Jason Merrill  <jason@redhat.com>
1665
1666         PR c++/35315
1667         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
1668         alone if it's the naming decl for the type's main variant.
1669
1670 2008-02-26  Tom Tromey  <tromey@redhat.com>
1671
1672         * system.h (USE_MAPPED_LOCATION): Poison.
1673         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
1674         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
1675         (make_goto_expr_edges): Likewise.
1676         (remove_bb): Likewise.
1677         (execute_warn_function_return): Likewise.
1678         * basic-block.h (struct edge_def) <goto_locus>: Change type to
1679         location_t.
1680         * c-common.c (fname_decl): Remove old location code.
1681         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
1682         location code.
1683         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
1684         variant.
1685         (ASM_INPUT_SOURCE_LOCATION): Likewise.
1686         (gen_rtx_ASM_INPUT): Likewise.
1687         (gen_rtx_ASM_INPUT_loc): Likewise.
1688         (get_rtx_asm_OPERANDS): Remove.
1689         * cfglayout.c (insn_locators_alloc): Remove old location code.
1690         (set_curr_insn_source_location): Likewise.
1691         (curr_insn_locator): Likewise.
1692         * print-tree.c (print_node): Remove old location code.
1693         * tree-mudflap.c (mf_varname_tree): Remove old location code.
1694         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
1695         * cfgexpand.c (expand_gimple_cond_expr): Don't use
1696         location_from_locus.
1697         (construct_exit_block): Remove old location code.
1698         * emit-rtl.c (force_next_line_note): Remove old location code.
1699         * profile.c (branch_prob): Remove old location code.
1700         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
1701         LOC_LINE): Remove old-location variants.
1702         * langhooks.c (lhd_print_error_function): Remove old location
1703         code.
1704         * configure, config.in: Rebuilt.
1705         * configure.ac (--enable-mapped-location): Remove.
1706         * c-decl.c (c_init_decl_processing): Remove old location code.
1707         (finish_function): Likewise.
1708         * recog.c (decode_asm_operands): Remove old location code.
1709         * c-pch.c (c_common_read_pch): Remove old location code.
1710         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
1711         variants.
1712         * gimple-low.c (lower_function_body): Remove old location code.
1713         * toplev.c (unknown_location): Remove.
1714         (push_srcloc): Remove old-location variant.
1715         (process_options): Remove old location code.
1716         (lang_dependent_init): Likewise.
1717         * input.h (UNKNOWN_LOCATION): Move definition.
1718         (location_t): Undeprecate.
1719         (source_locus): Remove.
1720         (location_from_locus): Remove.
1721         (struct location_s): Remove.
1722         Remove all old-location code.
1723         (input_line, input_filename): Remove.
1724         * final.c (final_scan_insn): Remove old location code.
1725         * diagnostic.c (diagnostic_build_prefix): Remove
1726         USE_MAPPED_LOCATION test.
1727         * tree.h (gimple_stmt) <locus>: Now a location_t.
1728         (tree_exp) <locus>: Likewise.
1729         (DECL_IS_BUILTIN): Remove old-location variant.
1730         (annotate_with_file_line, annotate_with_locus): Likewise.
1731         (expr_locus, set_expr_locus): Update.
1732         * tree.c (build1_stat): Remove old location code.
1733         (last_annotated_node): Remove.
1734         (annotate_with_file_line): Remove old-location variant.
1735         (annotate_with_locus): Likewise.
1736         (expr_location): Remove old location code.
1737         (set_expr_location): Likewise.
1738         (expr_has_location): Likewise.
1739         (expr_locus): Likewise.
1740         (set_expr_locus): Likewise.
1741         (expr_filename): Don't use location_from_locus.
1742         (expr_lineno): Likewise.
1743         * rtl-error.c (location_for_asm): Remove old location code.
1744         * c-lex.c (cb_line_change): Remove old location code.
1745         (fe_file_change): Likewise.
1746         (cb_def_pragma): Likewise.
1747         (c_lex_with_flags): Likewise.
1748         * gengtype.c (do_typedef): Don't special-case location types.
1749         (define_location_structures): Remove.
1750         (main): Don't call define_location_structures.
1751         * tree-pretty-print.c (dump_implicit_edges): Remove old location
1752         code.
1753
1754 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1755
1756         PR 26264
1757         * builtins.def (BUILT_IN_STDARG_START): Remove.
1758         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
1759         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
1760         * tree-inline.c (inline_forbidden_p_1): Likewise.
1761         
1762 2008-02-26  Richard Guenther  <rguenther@suse.de>
1763
1764         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1765         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1766         (lookup_decl_from_uid): Declare.
1767         (remove_decl_from_map): Likewise.
1768         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1769         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1770         (decl_for_uid_map): New global hashtable mapping DECL_UID
1771         to the decl tree.
1772         (init_ttree): Allocate it.
1773         (insert_decl_to_uid_decl_map): New helper function.
1774         (make_node_stat): Insert new decls into the map.
1775         (copy_node_stat): Likewise.
1776         (lookup_decl_from_uid): New function.
1777         (remove_decl_from_map): Likewise.
1778         (print_decl_for_uid_map_statistics): New helper.
1779         (dump_tree_statistics): Call it.
1780
1781         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1782         (referenced_var_iterator): Adjust.
1783         (FOR_EACH_REFERENCED_VAR): Adjust.
1784         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1785         (num_referenced_vars): Adjust.
1786         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1787         (first_referenced_var): Remove.
1788         (end_referenced_vars_p): Likewise.
1789         (next_referenced_var): Likewise.
1790         (referenced_var_iterator_set): New helper function.
1791         * tree-dfa.c (referenced_var_lookup): Adjust.
1792         (referenced_var_check_and_insert): Likewise.
1793         (remove_referenced_var): Likewise.
1794         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1795         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1796         (verify_call_clobbering): Likewise.
1797         (verify_memory_partitions): Likewise.
1798         (init_tree_ssa): Allocate bitmap instead of hashtable for
1799         referenced_vars.
1800         (delete_tree_ssa): Adjust.
1801         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1802         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1803         (compute_tag_properties): Likewise.
1804         (set_initial_properties): Likewise.
1805         (find_partition_for): Likewise.
1806         (update_reference_counts): Likewise.
1807         (dump_may_aliases_for): Likewise.
1808         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1809         (add_call_clobber_ops): Likewise.
1810         (add_call_read_ops): Likewise.
1811         (get_asm_expr_operands): Likewise.
1812         * tree-into-ssa.c (dump_decl_set): Likewise.
1813         (update_ssa): Likewise.
1814         * tree-sra.c (scan_function): Likewise.
1815         (decide_instantiations): Likewise.
1816         (scalarize_parms): Likewise.
1817         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1818         (dsa_named_for): Likewise.
1819         * tree-ssa-structalias.c (update_alias_info): Likewise.
1820         (merge_smts_into): Likewise.
1821
1822 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1823
1824         PR 34351
1825         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
1826         * c-opts.c (c_common_handle_option): Wall enables
1827         Wvolatile-register-var.
1828         * common.opt: Move Wvolatile-register-var to...
1829         * c.opt: ...here.
1830         
1831 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1832
1833         * common.opt (Wlarger-than=): New.
1834         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
1835         -Wlarger-than=.
1836         * opts.c (common_handle_option): Handle -Wlarger-than=.
1837         * optc-gen.awk: Likewise.
1838         * opth-gen.awk: Likewise.
1839         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
1840         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1841         
1842 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1843
1844         * c-common.c (match_case_to_enum_1): Add appropriate
1845         OPT_W* parameter to warning.
1846         (c_do_switch_warnings): Likewise.
1847         * c-typeck.c (warning_init): Add one more parameter following
1848         'warning' function.
1849         (push_init_level): Update call to warning_init.
1850         (pop_init_level): Likewise.
1851         (add_pending_init): Likewise.
1852         (output_init_element: Likewise.
1853
1854 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1855
1856         PR 28322
1857         * toplev.c (toplev_main): If there are warnings or error, print
1858         errors for ignored options.
1859         * opts.c (ignored_options): New static variable.
1860         (postpone_unknown_option_error): New.
1861         (print_ignored_options): New.
1862         (handle_option): Postpone errors for unknown -Wno-* options.
1863         * opts.h (print_ignored_options): Declare.
1864         
1865 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1866
1867         * config/mips/mips.md (loadgp_blockage, blockage): Change type
1868         to "ghost".
1869
1870 2008-02-25  Richard Guenther  <rguenther@suse.de>
1871
1872         Revert:
1873         2008-02-25  Richard Guenther  <rguenther@suse.de>
1874
1875         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1876         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1877         (lookup_decl_from_uid): Declare.
1878         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1879         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1880         (decl_for_uid_map): New global hashtable mapping DECL_UID
1881         to the decl tree.
1882         (init_ttree): Allocate it.
1883         (insert_decl_to_uid_decl_map): New helper function.
1884         (make_node_stat): Insert new decls into the map.
1885         (copy_node_stat): Likewise.
1886         (lookup_decl_from_uid): New function.
1887         (print_decl_for_uid_map_statistics): New helper.
1888         (dump_tree_statistics): Call it.
1889
1890         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1891         (referenced_var_iterator): Adjust.
1892         (FOR_EACH_REFERENCED_VAR): Adjust.
1893         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1894         (num_referenced_vars): Adjust.
1895         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1896         (first_referenced_var): Remove.
1897         (end_referenced_vars_p): Likewise.
1898         (next_referenced_var): Likewise.
1899         (referenced_var_iterator_set): New helper function.
1900         * tree-dfa.c (referenced_var_lookup): Adjust.
1901         (referenced_var_check_and_insert): Likewise.
1902         (remove_referenced_var): Likewise.
1903         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1904         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1905         (verify_call_clobbering): Likewise.
1906         (verify_memory_partitions): Likewise.
1907         (init_tree_ssa): Allocate bitmap instead of hashtable for
1908         referenced_vars.
1909         (delete_tree_ssa): Adjust.
1910         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1911         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1912         (compute_tag_properties): Likewise.
1913         (set_initial_properties): Likewise.
1914         (find_partition_for): Likewise.
1915         (update_reference_counts): Likewise.
1916         (dump_may_aliases_for): Likewise.
1917         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1918         (add_call_clobber_ops): Likewise.
1919         (add_call_read_ops): Likewise.
1920         (get_asm_expr_operands): Likewise.
1921         * tree-into-ssa.c (dump_decl_set): Likewise.
1922         (update_ssa): Likewise.
1923         * tree-sra.c (scan_function): Likewise.
1924         (decide_instantiations): Likewise.
1925         (scalarize_parms): Likewise.
1926         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1927         (dsa_named_for): Likewise.
1928         * tree-ssa-structalias.c (update_alias_info): Likewise.
1929         (merge_smts_into): Likewise.
1930
1931 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1932
1933         PR fortran/29549
1934         * doc/invoke.texi (-fcx-limited-range): Document new option.
1935         * toplev.c (process_options): Handle -fcx-fortran-rules.
1936         * common.opt: Add documentation for -fcx-fortran-rules.
1937
1938 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1939
1940         PR c/35162
1941         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
1942         actual behaviour and C99.
1943         
1944 2008-02-26  Ben Elliston  <bje@au.ibm.com>
1945
1946         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
1947         (ASM_CPU_POWER6_SPEC): Likewise.
1948         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
1949         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
1950         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
1951
1952 2008-02-25  Richard Guenther  <rguenther@suse.de>
1953
1954         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1955         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1956         (lookup_decl_from_uid): Declare.
1957         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1958         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1959         (decl_for_uid_map): New global hashtable mapping DECL_UID
1960         to the decl tree.
1961         (init_ttree): Allocate it.
1962         (insert_decl_to_uid_decl_map): New helper function.
1963         (make_node_stat): Insert new decls into the map.
1964         (copy_node_stat): Likewise.
1965         (lookup_decl_from_uid): New function.
1966         (print_decl_for_uid_map_statistics): New helper.
1967         (dump_tree_statistics): Call it.
1968
1969         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1970         (referenced_var_iterator): Adjust.
1971         (FOR_EACH_REFERENCED_VAR): Adjust.
1972         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1973         (num_referenced_vars): Adjust.
1974         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1975         (first_referenced_var): Remove.
1976         (end_referenced_vars_p): Likewise.
1977         (next_referenced_var): Likewise.
1978         (referenced_var_iterator_set): New helper function.
1979         * tree-dfa.c (referenced_var_lookup): Adjust.
1980         (referenced_var_check_and_insert): Likewise.
1981         (remove_referenced_var): Likewise.
1982         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1983         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1984         (verify_call_clobbering): Likewise.
1985         (verify_memory_partitions): Likewise.
1986         (init_tree_ssa): Allocate bitmap instead of hashtable for
1987         referenced_vars.
1988         (delete_tree_ssa): Adjust.
1989         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1990         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1991         (compute_tag_properties): Likewise.
1992         (set_initial_properties): Likewise.
1993         (find_partition_for): Likewise.
1994         (update_reference_counts): Likewise.
1995         (dump_may_aliases_for): Likewise.
1996         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1997         (add_call_clobber_ops): Likewise.
1998         (add_call_read_ops): Likewise.
1999         (get_asm_expr_operands): Likewise.
2000         * tree-into-ssa.c (dump_decl_set): Likewise.
2001         (update_ssa): Likewise.
2002         * tree-sra.c (scan_function): Likewise.
2003         (decide_instantiations): Likewise.
2004         (scalarize_parms): Likewise.
2005         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2006         (dsa_named_for): Likewise.
2007         * tree-ssa-structalias.c (update_alias_info): Likewise.
2008         (merge_smts_into): Likewise.
2009
2010 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
2011
2012         PR target/35258
2013         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
2014         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
2015         * alias.h (nonoverlapping_memrefs_p): Likewise.
2016
2017 2008-02-25  Jan Beulich  <jbeulich@novell.com>
2018
2019         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
2020         * config/i386/netware-libgcc.exp: Add __bswap?i2,
2021         __emultls_get_address, __emultls_register_common,
2022         __floatundi?f, and _Unwind_GetIPInfo.
2023         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
2024         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
2025         (gen_regparm_prefix): Likewise.
2026         (i386_nlm_encode_section_info): Sync with
2027         config/i386/winnt.c:i386_pe_encode_section_info().
2028         (i386_nlm_maybe_mangle_decl_assembler_name): New.
2029         i386_nlm_mangle_decl_assembler_name): New.
2030         (netware_override_options): New.
2031         * config/i386/netware.h (netware_override_options): Declare.
2032         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
2033         (i386_nlm_mangle_decl_assembler_name): Declare.
2034         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
2035
2036 2008-02-25  Ben Elliston  <bje@au.ibm.com>
2037
2038         PR other/32948
2039         * c-decl.c (grokdeclarator): Remove unused local variables
2040         `typedef_type' and `type_as_written'.
2041         * bb-reorder.c
2042         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
2043         unused local variable `has_hot_blocks'.
2044         (fix_crossing_conditional_branches): Remove unused local variable
2045         `prev_bb'.
2046         
2047 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
2048
2049         PR middle-end/19984
2050         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
2051         using DEF_C99_BUILTIN.
2052         (BUILT_IN_NANF): Ditto.
2053         (BUILT_IN_NANL): Ditto.
2054
2055 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
2056             Revital Eres  <eres@il.ibm.com>
2057
2058         * modulo-sched.c (calculate_must_precede_follow): Address TODO
2059         regarding the order of two dependent insns in the same row.
2060
2061 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
2062
2063         * stor-layout.c (layout_decl): Do not bump the alignment of a
2064         bit-field to more than byte alignment if it is packed.
2065
2066 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
2067
2068         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
2069         e300c2 and e300c3.
2070
2071 2008-02-24  Diego Novillo  <dnovillo@google.com>
2072
2073         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
2074
2075         PR 33738
2076         * tree-vrp.c (vrp_evaluate_conditional): With
2077         -Wtype-limits, emit a warning when comparing against a
2078         constant outside the natural range of OP0's type.
2079         * c.opt (Wtype-limits): Move ...
2080         * common.opt (Wtype-limits): ... here.
2081
2082 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
2083
2084         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
2085         * config/rs6000/e300c2c3.md: New file.
2086         * config/rs6000/rs6000.c (processor_costs): Add new costs for
2087         e300c2 and e300c3.
2088         (rs6000_override_options): Add e300c2 and e300c3 cases to
2089         processor_target_table. Do not allow usage of Altivec or Spe
2090         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
2091         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
2092         * config/rs6000/rs6000.h (processor_type): Add
2093         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
2094         (ASM_CPU_SPEC): Add e300c2 and e300c3.
2095         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
2096         and ppce300c3. Include e300c2c3.md.
2097
2098 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
2099
2100         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
2101         instead of TARGET_STRICT_ALIGN.
2102
2103 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
2104
2105         * explow.c (memory_address): Assert that the generated address is
2106         valid.
2107
2108 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2109
2110         PR target/25477
2111         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
2112         * config/darwin-ppc-ldouble-patch.def: New file.
2113         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
2114         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
2115         SUBTARGET_INIT_BUILTINS if defined.
2116         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
2117         New functions.
2118
2119 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2120
2121         PR rtl-opt/33512
2122         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
2123         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
2124
2125 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2126
2127         PR pch/35027
2128         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
2129         file" warning condtional on -Winvalid-PCH.
2130
2131 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
2132
2133         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
2134
2135 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
2136
2137         PR target/22076
2138         PR target/34256 
2139         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
2140         prevent reload from using MMX registers.
2141         (*mov<mode>_internal): Ditto.
2142         (*movv2sf_internal_rex64): Ditto.
2143         (*movv2sf_internal): Ditto.
2144
2145 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2146
2147         PR documentation/31569
2148         * doc/install.texi2html: Use makeinfo --no-number-sections.
2149
2150 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2151
2152         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
2153         ensure that we can address an entire entity > 8 bytes.  Don't
2154         generate reg+reg addressing for such data.
2155
2156 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2157
2158         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
2159         strings when optimizing for size, unless the target cares about
2160         alignment.
2161
2162 2008-02-22  Tom Tromey  <tromey@redhat.com>
2163
2164         * regclass.c (current_pass): Remove declaration.
2165
2166 2008-02-22  Anatoly Sokolov <aesok@post.ru>
2167
2168         * config/avr/libgcc.S (__RAMPZ__): Define.
2169         (__do_copy_data): Add for devices with 128KB code memory.
2170
2171 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2172
2173         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2174         Use spe_abi.
2175         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
2176
2177 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
2178
2179         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
2180         GENNONACR_REGS.
2181
2182 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2183
2184         PR c/19999
2185         * c-typeck.c (build_binary_op): Warn about floating point
2186         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
2187
2188 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
2189
2190         PR target/34526
2191         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
2192         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
2193         add vrsave.
2194         (rs6000_override_options): Set altivec_abi as default, not override,
2195         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
2196         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
2197         is used; use new member spe_abi.
2198         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
2199         spe_abi and altivec_abi.
2200
2201 2008-02-22  Tomas Bily  <tbily@suse.cz>
2202
2203         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
2204
2205 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2206
2207         PR bootstrap/35273
2208         * config.build (build_file_translate): Set to `CMD //c' only if
2209         it works.
2210         * Makefile.in (build_file_translate): Improve comment.
2211
2212 2008-02-21  Jan Hubicka  <jh@suse.cz>
2213
2214         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
2215         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
2216         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
2217
2218 2008-02-21  Michael Matz  <matz@suse.de>
2219
2220         PR target/35264
2221         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
2222
2223 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
2224
2225         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
2226         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
2227         as insn constraint.
2228         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
2229         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
2230         SSE_VEC_FLOAT_MODE_P as insn constraint.
2231         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
2232         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
2233         sse4a_movntdf using MODEF mode iterator.
2234         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
2235         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
2236         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
2237         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
2238         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
2239         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
2240         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
2241
2242 2008-02-21  Richard Guenther  <rguenther@suse.de>
2243
2244         * tree.def (PAREN_EXPR): New tree code.
2245         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
2246         and PAREN_EXPR.
2247         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
2248         * expr.c (expand_expr_real_1): Likewise.
2249         * tree-inline.c (estimate_num_insns_1): Likewise.
2250         * tree-complex.c (expand_complex_move): Likewise.
2251         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
2252         as plain x.
2253
2254 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2255
2256         PR target/35225
2257         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
2258
2259 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2260
2261         PR target/35190
2262         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
2263
2264         * config/sh/sh.c (find_barrier): Don't go past
2265         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
2266
2267 2008-02-20  DJ Delorie  <dj@redhat.com>
2268
2269         * config/h8300/h8300.md (insv): Force source operand to be a register.
2270
2271         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
2272         as a jump, not as a plain insn.
2273         
2274 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
2275
2276         * doc/invoke.texi (Warning Options): Add new option
2277         -Wframe-larger-than=.
2278         (-Wframe-larger-than): Document.
2279
2280         * flags.h (warn_frame_larger_than, frame_larger_than_size):
2281         Add declarations for new option variables.
2282
2283         * final.c (final_start_function): Check the frame size
2284         before emission and issue a Wframe-larger-than warning.
2285
2286         * opts.c (warn_frame_larger_than, frame_larger_than_size):
2287         Add definitions for new option variables.
2288         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
2289
2290         * common.opt (Wframe-larger-than=): New option.
2291
2292 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
2293
2294         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
2295         (<sse>_div<mode>3): Ditto.
2296         (<sse>_vmdiv<mode>3): Ditto.
2297         (<sse>_vmsqrt<mode>2): Ditto.
2298         (*smax<mode>3): Ditto.
2299         (sse5_frcz<mode>2): Ditto.
2300         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
2301         as insn constraint.
2302
2303 2008-02-20  Richard Guenther  <rguenther@suse.de>
2304
2305         PR middle-end/35265
2306         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
2307         be happy with INTEGRAL_TYPE_P.
2308
2309 2008-02-20  Richard Guenther  <rguenther@suse.de>
2310
2311         * fold-const.c (split_tree): Associate floatig-point expressions
2312         if flag_associative_math is set.
2313
2314 2008-02-20  Richard Guenther  <rguenther@suse.de>
2315
2316         * tree.h (fold_real_zero_addition_p): Declare.
2317         * fold-const.c (fold_real_zero_addition_p): Export.
2318         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
2319         floating-point operations with zero and one.
2320
2321 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
2322
2323         * doc/install.texi: Correct references to CFLAGS, replacing them
2324         with BOOT_CFLAGS.  Document flags used during bootstrap for
2325         target libraries.
2326                                 
2327 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
2328
2329         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
2330         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
2331         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
2332         insn constraint.
2333         (smin<mode>3): Ditto from similar patterns.
2334         (smax<mode>3): Ditto.
2335         (*ieee_smin<mode>3): Ditto.
2336         (*ieee_smax<mode>3): Ditto.
2337         * config/i386/sse.md (sse): New mode attribute.
2338         (mov<mode>): Macroize expander from movv4sf and movv2df using
2339         SSEMODEF2P mode iterator.
2340         (<sse>_movnt<mode>): Ditto from similar patterns. Use
2341         SSE_VEC_FLOAT_MODE_P as insn constraint.
2342         (storent<mode>): Ditto.
2343         (storent<mode>): Macroize expander from storentsf and storentdf using
2344         MODEF mode iterator.
2345         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
2346         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
2347         (abs<mode>2): Ditto from similar patterns.
2348         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
2349         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
2350         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
2351         (<sse>_vmsqrt<mode>2): Ditto.
2352         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
2353         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
2354         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
2355         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
2356         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
2357         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
2358         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
2359         insn constraint.
2360         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
2361         iterator and SSE_FLOAT_MODE_P as insn constraint.
2362         (<sse>_ucomi): Ditto from similar patterns.
2363         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
2364         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
2365         SSE_VEC_FLOAT_MODE_P as insn constraint.
2366         (vcond<mode>): Ditto from similar patterns.
2367         (and<mode>3, *and<mode>3): Ditto.
2368         (<sse>_nand<mode>3): Ditto.
2369         (ior<mode>3, *ior<mode>3): Ditto.
2370         (xor<mode>3, *xor<mode>3): Ditto.
2371         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
2372         iterator and SSE_FLOAT_MODE_P as insn constraint.
2373         (*nand<mode>3): Ditto from similar patterns.
2374         (*ior<mode>3): Ditto.
2375         (*xor<mode>3): Ditto.
2376
2377 2008-02-20  Ira Rosen  <irar@il.ibm.com>
2378
2379         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
2380         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
2381         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
2382
2383 2008-02-19  Jan Hubicka  <jh@suse.cz>
2384
2385         * predict.c (tree_bb_level_predictions): Remove variable next
2386         mistakely introduced by previous commit.
2387
2388 2008-02-19  Jan Hubicka  <jh@suse.cz>
2389
2390         * predict.c (predict_paths_leading_to): Rewrite.
2391         (predict_paths_for_bb): New.
2392         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
2393
2394 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2395
2396         PR bootstrap/35218
2397         * Makefile.in (build_file_translate): New.
2398         (gcc-vers.texi): Use it for translating $(abs_srcdir).
2399         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
2400         * configure.ac (build_file_translate): Substitute it.
2401         * configure: Regenerate.
2402
2403 2008-02-19  Jan Hubicka  <jh@suse.cz>
2404
2405         PR rtl-optimization/34408
2406         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
2407         invalid sharing.
2408
2409 2008-02-19  Jan Hubicka  <jh@suse.cz>
2410
2411         PR middle-end/28779
2412         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
2413         call_expr.
2414
2415 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
2416
2417         PR Ada/35186
2418         * config/i386/i386-modes.def: Revert the last DI alignment
2419         change until Ada people can look into it.
2420
2421 2008-02-19  Nick Clifton  <nickc@redhat.com>
2422
2423         * opts.c (print_specific_help): Fix typo in --help text.
2424
2425 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
2426
2427         PR target/35239
2428         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
2429         32-bit inline asm without asm alternatives for host GCC < 3.0.
2430
2431 2008-02-19  Richard Guenther  <rguenther@suse.de>
2432
2433         PR tree-optimization/34989
2434         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
2435         Allow propagation to INDIRECT_REF if we can simplify only.
2436
2437 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2438
2439         * c-common.c (warn_for_collisions_1): Use appropriate option when
2440         warning.
2441
2442 2008-02-19  Nick Clifton  <nickc@redhat.com>
2443
2444         PR other/31349
2445         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
2446         (handle_options): Fix indentation.
2447         (print_filtered_help): If no language-specific options were
2448         displayed tell the user how to list all the options supported by
2449         the language's front-end.
2450         (print_specific_help): Fix indentation and remove duplicate line.
2451         (common_handle_option): Handle the -v option.
2452         For --help enable the display of undocumented options if the -v
2453         switch has been included on the command line.
2454         For --help= check for overlaps in the arguments between the option
2455         classes and the language names and issue a warning when they
2456         cannot be disambiguated.
2457         * c.opt (v): Pass on to the common option handler.
2458
2459 2008-02-19  Revital Eres  <eres@il.ibm.com> 
2460
2461         * modulo-sched.c (sms_schedule): Change dump message when
2462         create_ddg function fails.
2463         (try_scheduling_node_in_cycle): Rename row to cycle.
2464         (print_partial_schedule): Rename CYCLE to ROW.
2465
2466 2008-02-19  Christian Bruel  <christian.bruel@st.com>
2467             Zdenek Dvorak  <ook@ucw.cz>
2468
2469         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
2470
2471 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
2472
2473         PR target/33555
2474         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
2475         (*x86_movdicc_0_m1_se): Ditto.
2476
2477 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
2478
2479         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
2480         (CMPtype): Define as __gcc_CMPtype.
2481         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
2482         (CMPtype): Define as __gcc_CMPtype.
2483
2484 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
2485
2486         Support valgrind 3.3 for --enable-checking=valgrind.
2487         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
2488         here.
2489         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
2490         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
2491         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
2492         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
2493         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
2494         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
2495         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
2496         respectively.
2497         * ggc-zone.c: Similar.
2498         * ggc-page.c: Similar.
2499
2500 2008-02-19  Paul Brook  <paul@codesourcery.com>
2501
2502         PR target/35071
2503         * config/arm/ieee754-df.S: Fix do_it typo.
2504         * config/arm/ieee754-sf.S: Fix do_it typo.
2505
2506 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2507
2508         PR target/35189
2509         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
2510         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
2511         (OPTION_MASK_ISA_SSE_SET): Likewise.
2512         (OPTION_MASK_ISA_SSE2_SET): Likewise.
2513         (OPTION_MASK_ISA_SSE3_SET): Likewise.
2514         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
2515         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
2516         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
2517         (OPTION_MASK_ISA_SSE4_SET): Likewise.
2518         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
2519         (OPTION_MASK_ISA_SSE5_SET): Likewise.
2520         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
2521         (OPTION_MASK_ISA_MMX_UNSET): Updated.
2522         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
2523         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
2524         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
2525         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
2526         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
2527         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
2528         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
2529         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
2530         (OPTION_MASK_ISA_SSE4): Removed.
2531         (ix86_handle_option): Turn on bits in ix86_isa_flags and
2532         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
2533         (override_options): Don't turn on implied SSE/MMX bits in
2534         ix86_isa_flags.
2535
2536 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2537
2538         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2539         32bit host.
2540
2541 2008-02-18  Joey Ye  <joey.ye@intel.com>
2542
2543         PR middle-end/34921
2544         * tree-nested.c (insert_field_into_struct): Set type alignment
2545         to field alignment if the former is less than the latter.
2546
2547 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
2548
2549         * BASE-VER: Set to 4.4.0.
2550
2551 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2552
2553         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
2554         * doc/cfg.texi: Likewise.
2555         * doc/extend.texi: Likewise.
2556         * doc/gty.texi: Likewise.
2557         * doc/invoke.texi: Likewise.
2558         * doc/loop.texi: Likewise.
2559         * doc/md.texi: Likewise.
2560         * doc/passes.texi: Likewise.
2561         * doc/rtl.texi: Likewise.
2562         * doc/sourcebuild.texi: Likewise.
2563         * doc/tm.texi: Likewise.
2564         * doc/tree-ssa.texi: Likewise.
2565
2566 2008-02-17  Richard Guenther  <rguenther@suse.de>
2567
2568         PR middle-end/35227
2569         * tree-complex.c (init_parameter_lattice_values): Handle parameters
2570         without default definition.
2571
2572 2008-02-17  Richard Guenther  <rguenther@suse.de>
2573
2574         PR tree-optimization/35231
2575         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
2576         if A | B != 1.
2577
2578 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
2579
2580         Revert:
2581
2582         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
2583         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2584         libgcc_cmp_return mode.
2585
2586 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2587
2588         PR c/28368
2589         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
2590
2591 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
2592
2593         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
2594         multilibs.
2595
2596 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2597
2598         * doc/c-tree.texi: Use `@.' where appropriate.
2599         * doc/extend.texi: Likewise.
2600         * doc/install.texi: Likewise.
2601         * doc/invoke.texi: Likewise.
2602         * doc/loop.texi: Likewise.
2603         * doc/makefile.texi: Likewise.
2604         * doc/md.texi: Likewise.
2605         * doc/passes.texi: Likewise.
2606         * doc/standards.texi: Likewise.
2607         * doc/tm.texi: Likewise.
2608
2609 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
2610
2611         PR middle-end/35196
2612         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
2613         in entry_bb.
2614         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
2615         rather than in entry_bb.
2616
2617 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2618
2619         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2620         libgcc_cmp_return mode.
2621
2622 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
2623
2624         PR middle-end/35130
2625         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
2626         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
2627
2628 2008-02-15  Richard Guenther  <rguenther@suse.de>
2629             Zdenek Dvorak  <ook@ucw.cz>
2630
2631         PR tree-optimization/35164
2632         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
2633         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
2634         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
2635         Only propagate addresses which do not have abnormal SSA_NAMEs
2636         in their operands.
2637
2638 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
2639
2640         PR target/35088
2641         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
2642
2643 2008-02-15  Jan Hubicka  <jh@suse.cz>
2644
2645         PR middle-end/35149
2646         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
2647
2648 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2649
2650         PR middle-end/34621
2651         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
2652         when calculating alignment_pad.
2653
2654 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2655
2656         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
2657         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
2658         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
2659         and STACK_BOUNDARY define.
2660
2661 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
2662
2663         PR preprocessor/35061
2664         * c-pragma.c (handle_pragma_pop_macro): Check that
2665         pushed_macro_table has been allocated.
2666
2667 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2668
2669         PR middle-end/35136
2670         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
2671         (force_gimple_operand): Likewise.
2672         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
2673         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
2674         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
2675         (find_interesting_uses_address): Check addressability and alignment
2676         of the base expression only after substituting bases of IVs into it.
2677
2678 2008-02-14  Michael Matz  <matz@suse.de>
2679
2680         PR target/34930
2681         * function.c (instantiate_virtual_regs_in_insn): Reload address
2682         before falling back to reloading the whole operand.
2683
2684 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
2685
2686         * config/s390/s390.c (s390_mainpool_start): Emit the pool
2687         before the first section switch note.
2688
2689 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2690
2691         * doc/bugreport.texi: Update copyright years.
2692         * doc/c-tree.texi: Likewise.
2693         * doc/cfg.texi: Likewise.
2694         * doc/cpp.texi: Likewise.
2695         * doc/cppinternals.texi: Likewise.
2696         * doc/fragments.texi: Likewise.
2697         * doc/frontends.texi: Likewise.
2698         * doc/gcc.texi: Likewise.
2699         * doc/gty.texi: Likewise.
2700         * doc/hostconfig.texi: Likewise.
2701         * doc/implement-c.texi: Likewise.
2702         * doc/libgcc.texi: Likewise.
2703         * doc/loop.texi: Likewise.
2704         * doc/makefile.texi: Likewise.
2705         * doc/options.texi: Likewise.
2706         * doc/passes.texi: Likewise.
2707         * doc/rtl.texi: Likewise.
2708         * doc/sourcebuild.texi: Likewise.
2709         * doc/standards.texi: Likewise.
2710         * doc/tree-ssa.texi: Likewise.
2711         * doc/trouble.texi: Likewise.
2712
2713         * doc/extend.texi: Use @: or add comma where appropriate.
2714         * doc/invoke.texi: Likewise.
2715         * doc/tm.texi: Likewise.
2716
2717 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
2718
2719         PR target/34393
2720         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
2721         to a reg.
2722
2723 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
2724
2725         * doc/md.texi (clz, ctz): Add reference.
2726         * doc/rtl.texi (clz, ctz): Likewise.
2727
2728 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2729
2730         PR other/35148
2731         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
2732         srcdir.
2733
2734 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
2735
2736         * config/s390/s390.c (struct constant_pool): New field
2737         emit_pool_after added.
2738         (s390_mainpool_start): Set the emit_pool_after flag according
2739         to the section switch notes.
2740         (s390_mainpool_finish): Consider emit_pool_after when emitting
2741         the literal pool at the end of the function.
2742         (s390_chunkify_start): Force literal pool splits at section
2743         switch notes.
2744
2745 2008-02-13  Michael Matz  <matz@suse.de>
2746
2747         PR debug/35065
2748         * var-tracking.c (clobber_variable_part): Correctly traverse the
2749         list.
2750
2751 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2752
2753         PR 29673
2754         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
2755         Add -fdump-ipa-inline.
2756         * tree-dump.c (dump_files): Remove tree-inlined dump.
2757         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
2758         
2759 2008-02-12  Richard Guenther  <rguenther@suse.de>
2760
2761         PR tree-optimization/35171
2762         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
2763         default defs.
2764
2765 2008-02-12  Richard Guenther  <rguenther@suse.de>
2766
2767         PR middle-end/35163
2768         * fold-const.c (fold_widened_comparison): Use get_unwidened in
2769         value-preserving mode.  Disallow final truncation.
2770
2771 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2772
2773         PR middle-end/35136
2774         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
2775         code from here to...
2776         (force_gimple_operand): ...here.
2777
2778 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
2779
2780         PR c++/35144
2781         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
2782         non-compatible pointers.
2783         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
2784         different FIELD_DECLs, try harder by comparing field offsets, sizes
2785         and types.
2786
2787         PR inline-asm/35160
2788         * function.c (match_asm_constraints_1): Don't replace the same input
2789         multiple times.
2790
2791 2008-02-12  Anatoly Sokolov <aesok@post.ru>
2792
2793         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
2794         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
2795         (expand_epilogue): Restore RAMPZ register.
2796         * config/avr/avr.md (RAMPZ_ADDR): New constant.
2797
2798 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
2799
2800         * config/i386/cygwin.asm: (__alloca): Correct calling
2801         convention and alignment.
2802         (__chkstk): Force 8 byte stack alignment.
2803
2804 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
2805             Richard Guenther  <rguenther@suse.de>
2806
2807         PR tree-optimization/33992
2808         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
2809         the zero we compare against.
2810
2811 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
2812
2813         PR libfortran/35063
2814         * gthr-win32.h (__gthread_mutex_destroy_function): New function
2815         to CloseHandle after unlocking to prevent accumulation of handle
2816         count.
2817
2818 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2819
2820         PR middle_end/34150
2821         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
2822         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
2823         and update LABEL_NUSES during and after reload.
2824
2825 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
2826
2827         PR middle-end/34627
2828         * combine.c (simplify_if_then_else): Make sure the comparison is
2829         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
2830
2831 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
2832
2833         PR bootstrap/35051
2834         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
2835         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
2836         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
2837         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
2838         * tree.h (get_type_static_bounds): Likewise.
2839
2840 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2841
2842         * doc/invoke.texi (Option Summary, C++ Dialect Options)
2843         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2844         Make -Wfoo language annotations match what the compiler outputs.
2845
2846 2008-02-08  Sa Liu  <saliu@de.ibm.com>
2847
2848         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
2849         intrinsics spu_convts, spu_convtu, spu_convtf.
2850         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
2851
2852 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
2853
2854         * doc/extend.texi (Function Attributes) <noinline>: Mention
2855         asm ("") as method to keep calls.
2856
2857 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2858
2859         PR other/32754
2860         * doc/options.texi (Options): Replace references to opts.sh with
2861         optc-gen.awk.
2862         * opts-common.c: Likewise.
2863         * optc-gen.awk: Likewise.
2864         
2865 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2866
2867         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
2868
2869 2008-02-07  Richard Henderson  <rth@redhat.com>
2870
2871         PR rtl-opt/33410
2872         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
2873         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
2874         funny mode.
2875
2876 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
2877
2878         PR tree-optimization/35085
2879         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
2880         for operand entry oe2 in addition to operand entry oe3 in order to
2881         expose more opportunities for vectorizer sum reduction.
2882
2883 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2884
2885         PR other/35107
2886         * Makefile.in (LIBS): Remove $(GMPLIBS).
2887         (cc1-dummy, cc1): Add $(GMPLIBS).
2888
2889 2008-02-06  Jan Hubicka  <jh@suse.cz>
2890
2891         PR target/23322
2892         * i386.md (moddf_integer): Do not produce partial memory stalls for
2893         targets where it hurts.
2894
2895 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
2896
2897         PR target/35083
2898         * optabs.c (expand_float): Do not check for decimal modes when
2899         expanding unsigned integer through signed conversion.
2900
2901 2008-02-06  Nick Clifton  <nickc@redhat.com>
2902
2903         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
2904         inside the clobber with a match_operand and duplicated operand
2905         number in the constraint.
2906         (ineqbranchsi): Delete redundant comment.
2907
2908 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
2909
2910         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
2911         builtin_define ("__USE_INIT_FINI__").
2912         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
2913         -msx multilibs.
2914         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
2915
2916 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2917
2918         PR documentation/30330
2919         * doc/invoke.texi (C++ Dialect Options)
2920         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2921         For each warning option -Wfoo that allows -Wno-foo, ensure both
2922         -Wfoo and -Wno-foo are listed in the option index.  Fix index
2923         entry of -Wswitch-default, index -Wnormalized= including the
2924         `=', and -Wlarger-than-@var{len} including @var{len}.
2925
2926 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2927
2928         * config/i386/i386.md (floatunssisf2): Use
2929         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
2930         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
2931         Macroize expander using MODEF mode iterator.
2932
2933 2008-02-05  Diego Novillo  <dnovillo@google.com>
2934
2935         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
2936
2937         PR 33738
2938         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
2939
2940 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2941
2942         PR other/35070
2943         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
2944
2945 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
2946
2947         PR target/35084
2948         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
2949         to indicate if a message should be generated.
2950         (init_cumulative_args): Updated.
2951         (function_value_32): Likewise.
2952
2953 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
2954
2955         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
2956
2957 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2958
2959         PR target/35083
2960         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
2961         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
2962
2963 2008-02-04  Diego Novillo  <dnovillo@google.com>
2964
2965         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
2966
2967         PR 33738
2968         * tree-vrp.c (vrp_evaluate_conditional): With
2969         -Wtype-limits, emit a warning when comparing against a
2970         constant outside the natural range of OP0's type.
2971
2972 2008-02-04  Richard Guenther  <rguenther@suse.de>
2973
2974         PR middle-end/33631
2975         * expr.c (count_type_elements): Give for unions instead of
2976         guessing.
2977
2978 2008-02-04  Richard Guenther  <rguenther@suse.de>
2979
2980         PR middle-end/35043
2981         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
2982         to TYPE_DOMAINs base type instead of using bitsizetype here.
2983
2984 2008-02-03  Jason Merrill  <jason@redhat.com>
2985
2986         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
2987
2988 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2989
2990         PR other/29972
2991         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
2992         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
2993         (RS/6000 and PowerPC Options): Fix typos and markup.
2994         * doc/passes.texi (Tree-SSA passes): Likewise.
2995
2996 2008-02-02  Michael Matz  <matz@suse.de>
2997
2998         PR target/35045
2999         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
3000         from record_last_reg_set_info.
3001         (record_last_reg_set_info): Take an RTX argument, iterate over all
3002         constituent hardregs.
3003         (record_last_set_info, record_opr_changes): Change calls to
3004         new signature or to record_last_reg_set_info_regno.
3005
3006 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
3007
3008         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
3009
3010 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
3011
3012         PR rtl-optimization/34773
3013         * reg-notes.def (EQUAL): Mention significance of combination of
3014         REG_EQUAL and REG_RETVAL.
3015         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
3016         insn that has a REG_RETVAL.
3017
3018 2008-02-01  Roger Sayle  <roger@eyesopen.com>
3019
3020         PR bootstrap/33781
3021         * configure.ac (--enable-fixed-point): Disable unless explicitly
3022         requested on IRIX.
3023         * configure: Regenerate.
3024
3025 2008-02-01  Richard Guenther  <rguenther@suse.de>
3026
3027         PR other/35042
3028         * invoke.texi (-finline-limit): Remove no longer true parts
3029         of the documentation.  Note that there is no default value.
3030
3031 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
3032             Mark Mitchell  <mark@codesourcery.com>
3033             Ben Elliston  <bje@au.ibm.com>
3034
3035         PR c/29326
3036         * doc/extend.texi (Other Builtins): Document.
3037
3038 2008-01-31  Tom Browder <tom.browder@gmail.com>
3039
3040         * doc/c-tree.texi (Types): Fix grammar.
3041         (Expression trees): Ditto.
3042         * doc/passes.texi (Tree-SSA passes): Ditto.
3043         
3044         * doc/configterms.texi (Configure Terms): Fix typo.
3045         * doc/cpp.texi (Common Predefined Macros): Ditto.
3046         * doc/md.texi (Machine Constraints): Ditto.
3047         
3048         * doc/makefile.texi (Makefile): Add comma.
3049
3050 2008-01-31  Tom Browder  <tom.browder@gmail.com>
3051             Gerald Pfeifer  <gerald@pfeifer.com>
3052         
3053         * doc/sourcebuild.texi (Front End): Remove references to CVS
3054         and CVSROOT/modules.
3055         (Texinfo Manuals): Replace reference to CVS by one to SVN.
3056         (Back End): Remove reference to CVS.
3057
3058 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
3059
3060         PR target/34900
3061         * config/mips/mips.c (gen_load_const_gp): New function, taking a
3062         comment from...
3063         (mips16_gp_pseudo_reg): ...here.
3064         * config/mips/mips.md (load_const_gp): Replace with...
3065         (load_const_gp_<mode>): ...this :P-based insn.
3066
3067 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3068
3069         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
3070         options. Minor fixes.
3071         (-std): Move reference to standards closer to where language
3072         standards are first mentioned.
3073         
3074 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
3075
3076         PR rtl-optimization/34995
3077         * reload.c (alternative_allows_const_pool_ref): Take an rtx
3078         parameter and return a bool.  If the rtx parameter is nonnull,
3079         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
3080         (find_reloads): Update call accordingly.  Pass the new operand
3081         if it needed no address reloads, otherwise pass null.
3082
3083 2008-01-30  Richard Henderson  <rth@redhat.com>
3084
3085         PR c/34993
3086         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
3087         for unbounded arrays.
3088
3089 2008-01-30  Silvius Rus  <rus@google.com>
3090
3091         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
3092
3093 2008-01-30  Jan Hubicka  <jh@suse.cz>
3094
3095         PR target/34982
3096         * i386.c (init_cumulative_args): Use real function declaration when
3097         calling locally.
3098
3099 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
3100
3101         PR rtl-optimization/34998
3102         * global.c (build_insn_chain): Treat non-subreg_lowpart
3103         SUBREGs of pseudos as clobbering all the words covered by the
3104         SUBREG, not just all the bytes.
3105         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
3106         original df_ref rather than an extract parameter.
3107         (global_conflicts): Update call accordingly.
3108
3109 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
3110
3111         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
3112         the overflow check to make it easier to read.
3113         (__fixtfdi): Change the type of the ll member in union
3114         long_double to UDItype_x.
3115
3116 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
3117
3118         PR middle-end/34969
3119         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
3120         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
3121         * tree-inline.c (fold_marked_statements): Call
3122         cgraph_update_edges_for_call_stmt if folding a call statement.
3123         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
3124         debug_generic_stmt calls, reset it back afterwards.
3125
3126         PR c/35017
3127         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
3128         static decls.
3129         * c-typeck.c (build_external_ref): Don't pedwarn about
3130         static vars in current function's scope.
3131
3132 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
3133
3134         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
3135
3136 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
3137
3138         PR c/35002
3139         * ipa-struct-reorg.c: Fix spelling.
3140         * params.def: Ditto.
3141
3142 2008-01-29  Richard Guenther  <rguenther@suse.de>
3143
3144         PR middle-end/35006
3145         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
3146         field.
3147         * tree-inline.c (remap_type): Increment remapping_type_depth
3148         around remapping types.
3149         (copy_body_r): Only add referenced variables if they are referenced
3150         from code, not types.
3151
3152 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
3153
3154         PR c++/34055
3155         PR c++/34103
3156         PR c++/34219
3157         PR c++/34606
3158         PR c++/34753
3159         PR c++/34754
3160         PR c++/34755
3161         PR c++/34919
3162         PR c++/34961
3163         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
3164         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
3165
3166 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
3167
3168         PR target/34412
3169         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
3170         pointer for tiny stack.
3171
3172 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
3173
3174         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
3175
3176 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
3177
3178         * config/vx-common.h: Fix typo in comment.
3179
3180 2008-01-28  Ian Lance Taylor  <iant@google.com>
3181
3182         PR c++/34862
3183         PR c++/33407
3184         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
3185         coalesce pointers if they have different DECL_NO_TBAA_P values.
3186         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
3187         between variables with different DECL_NO_TBAA_P values.
3188
3189 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
3190
3191         PR 31535
3192         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
3193         are not legitimate small data references on SPE targets.
3194
3195 2008-01-28  David Daney  <ddaney@avtrex.com>
3196
3197         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
3198
3199 2008-01-28  David Daney  <ddaney@avtrex.com>
3200
3201         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
3202
3203 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
3204
3205         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
3206         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
3207         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
3208         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
3209         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
3210         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
3211         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
3212         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
3213
3214 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
3215
3216         * basic-block.h (condjump_equiv_p): Fix comment.
3217
3218 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
3219
3220         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
3221         print_generic_stmt_indented): Fix comment.
3222
3223 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
3224
3225         * configure.ac (__stack_chk_fail): Add detecion for availability
3226         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
3227         * configure: Regenerate.
3228
3229 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
3230
3231         PR middle-end/34688
3232         * final.c (output_addr_const): Handle TRUNCATE.
3233
3234 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
3235
3236         PR target/34711
3237         * tree-ssa-loop-ivopts.c (comp_cost): New type.
3238         (zero_cost, infinite_cost): New constants.
3239         (struct cost_pair): Change type of cost to comp_cost.
3240         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
3241         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
3242         New functions.
3243         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
3244         split_address_cost, ptr_difference_cost, difference_cost,
3245         get_computation_cost_at, get_computation_cost,
3246         determine_use_iv_cost_generic, determine_use_iv_cost_address,
3247         determine_use_iv_cost_condition, determine_use_iv_costs,
3248         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
3249         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
3250         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
3251         Change type of cost to comp_cost.
3252         (determine_iv_cost): Increase cost of non-original ivs, instead
3253         of decreasing the cost of original ones.
3254         (get_address_cost): Indicate the complexity of the addressing mode 
3255         in comp_cost.
3256         (try_add_cand_for): Prefer using ivs not specific to some object.
3257         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
3258
3259 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
3260             Janis Johnson  <janis187@us.ibm.com>
3261
3262         PR target/34814
3263         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
3264         (TARGET_INSTANTIATE_DECLS): Likewise.
3265         * target.h (expand_to_rtl_hook): New target hook.
3266         (instantiate_decls): Likewise.
3267         * function.c (instantiate_decl): Make non-static.  Rename to...
3268         (instantiate_decl_rtl): ... this.
3269         (instantiate_expr): Use instantiate_decl_rtl.
3270         (instantiate_decls_1): Likewise.
3271         (instantiate_decls): Likewise.
3272         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
3273         * function.h (instantiate_decl_rtl): Add prototype.
3274         * cfgexpand.c (target.h): New include.
3275         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
3276         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
3277         (TARGET_INSTANTIATE_DECLS): Likewise.
3278         (TARGET_INITIALIZER): New target hooks added.
3279         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
3280         New prototype.
3281         * config/rs6000/rs6000.c (tree-flow.h): New include.
3282         (machine_function): Add sdmode_stack_slot field.
3283         (rs6000_alloc_sdmode_stack_slot): New function.
3284         (rs6000_instantiate_decls): Likewise.
3285         (rs6000_secondary_memory_needed_rtx): Likewise.
3286         (rs6000_check_sdmode): Likewise.
3287         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
3288         (TARGET_INSTANTIATE_DECLS): Likewise.
3289         (rs6000_hard_regno_mode_ok): Allow SDmode.
3290         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
3291         (rs6000_emit_move): Handle SDmode.
3292         (function_arg_advance): Likewise.
3293         (function_arg): Likewise.
3294         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
3295         SDmode var args for 32-bit compiles.
3296         (rs6000_secondary_reload_class): Handle SDmode.
3297         (rs6000_output_function_epilogue): Likewise.
3298         (rs6000_function_value): Simplify if statement.
3299         (rs6000_libcall_value): Likewise.
3300         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
3301         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
3302         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
3303         (movsd_hardfloat): New define_insn.
3304         (movsd_softfloat): Likewise.
3305         (movsd_store): Likewise.
3306         (movsd_load): Likewise.
3307         (extendsddd2): Likewise.
3308         (extendsdtd2): Likewise.
3309         (truncddsd2): Likewise.
3310         (movdd_hardfloat64): Fixup comment.
3311         (UNSPEC_MOVSD_LOAD): New constant.
3312         (UNSPEC_MOVSD_STORE): Likewise.
3313
3314 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
3315
3316         PR c++/34965
3317         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
3318         TRUTH_XOR_EXPR.
3319         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
3320         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
3321         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
3322         and TRUTH_XOR_EXPR.
3323
3324 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
3325
3326         PR target/34794
3327         * config.gcc: Separate AIX 5.3 from AIX 6.1.
3328         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3329         __LONGDOUBLE128 too.
3330         * config/rs6000/aix61.h: New file.
3331
3332 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
3333
3334         PR rtl-optimization/34959
3335         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
3336         popcount and parity rtxes the same mode as their operand.
3337         Truncate or extend the result to the return value's mode
3338         if necessary.
3339
3340 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
3341
3342         PR target/34981
3343         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
3344         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
3345         to GOT_VERSION_REGNUM.
3346         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
3347         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
3348         * config/mips/mips.c (mips_emit_call_insn): New function.
3349         (mips_call_tls_get_addr): Call mips_expand_call directly.
3350         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
3351         emit_call_insn.
3352         (mips16_build_call_stub): Likewise.  Return the call insn or null.
3353         (mips_expand_call): Update the call to mips16_build_call_stub
3354         accordingly and a remove redundant condition.  Assert that MIPS16
3355         stubs do not use lazy binding.  Use mips_emit_call_insn and return
3356         the call insn.
3357         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
3358         TARGET_USE_GOT.
3359         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
3360         (mips_avoid_hazard): Remove hazard_set handling.
3361         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
3362         (UNSPEC_RESTORE_GP): ...this.
3363         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
3364         (FAKE_CALL_REGNO): Rename to...
3365         (GOT_VERSION_REGNUM): ...this.
3366         (type): Add "ghost" value.  Add an associated insn reservation.
3367         (hazard_set): Remove.
3368         (exception_receiver): Rename to...
3369         (restore_gp): ...this and update the unspec identifier accordingly.
3370         (exception_receiver, nonlocal_got_receiver): New expanders.
3371         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
3372         FAKE_CALL_REGNO.  Remove hazard_set attribute.
3373         (set_got_version, update_got_version): New patterns.
3374
3375 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
3376
3377         PR target/34970
3378         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
3379
3380 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
3381
3382         PR other/31955
3383         * doc/install.texi2html: Generate gcc-vers.texi.
3384
3385 2008-01-25  DJ Delorie  <dj@redhat.com>
3386
3387         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3388
3389 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
3390
3391         * config/c4x: Remove directory.
3392         * config.gcc (crx-*, mt-*): Mark obsolete.
3393         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
3394         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
3395         sh-*-rtemscoff*): Remove cases.
3396         * defaults.h (C4X_FLOAT_FORMAT): Remove.
3397         * real.c (encode_c4x_single, decode_c4x_single,
3398         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
3399         c4x_extended_format): Remove.
3400         * real.h (c4x_single_format, c4x_extended_format): Remove.
3401         * doc/extend.texi (interrupt, naked): Remove mention of attributes
3402         on C4x.
3403         (Pragmas): Remove comment about c4x pragmas.
3404         * doc/install.texi (c4x): Remove target-specific instructions.
3405         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
3406         * doc/md.texi (Machine Constraints): Remove C4x documentation.
3407         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
3408         refer to C4x source files as examples.
3409         (C4X_FLOAT_FORMAT): Remove documentation.
3410
3411 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
3412
3413         * config/bfin/bfin.c (override_options): Reorder tests so that
3414         flag_pic gets enabled for -msep-data.
3415
3416 2008-01-25  Richard Guenther  <rguenther@suse.de>
3417
3418         PR middle-end/32244
3419         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
3420         to its bitfield precision if required.
3421
3422 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
3423
3424         PR middle-end/33880
3425         * tree-nested.c (walk_omp_for): New function.
3426         (convert_nonlocal_reference, convert_local_reference): Call
3427         walk_omp_for on OMP_FOR.
3428         (convert_call_expr): Call walk_body on OMP_FOR's
3429         OMP_FOR_PRE_INIT_BODY.
3430
3431 2008-01-25  Richard Guenther  <rguenther@suse.de>
3432
3433         PR tree-optimization/34966
3434         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
3435         default defs and PHI_NODEs we have to insert after the
3436         defining statement.
3437
3438 2008-01-24  Nick Clifton  <nickc@redhat.com>
3439
3440         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
3441         Provide a default definition.
3442         (LIBGCC2_UNITS_PER_WORD): Likewise.
3443
3444         * config/stormy16/stormy16.c: Include df.h for the prototype
3445         for df_regs_ever_live_p.
3446         (xstormy16_expand_builtin_va_start): Convert the stack offset
3447         into a component_ref and then use POINTER_PLUS_EXPR to add it
3448         to the incoming_virtual_args_rtx.
3449         (xstormy16_gimplify_va_arg_expr): Rename to
3450         xstormy16_gimplify_va_arg_expr.
3451         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
3452         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
3453         xstormy16_gimplify_va_arg_expr.
3454         Fix up some formatting issues.
3455
3456         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
3457         Move to predicates.md.
3458         (xs_hi_general_operand): Likewise.
3459         (xs_hi_nonmemory_operand): Likewise.
3460         * config/stormy16/predicates.md:
3461         (xstormy16_carry_plus_operand): New predicate.
3462         (xs_hi_general_operand): New predicate.
3463         (xs_hi_nonmemory_operand): New predicate.
3464         * config/stormy16/stormy16-protos.h:
3465         (xstormy16_carry_plus_operand): Delete prototype.
3466         (xs_hi_general_operand): Likewise.
3467         (xs_hi_nonmemory_operand): Likewise.
3468
3469         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
3470         modifiers as they are no longer needed and they can trigger
3471         reload spill failures.
3472
3473         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
3474         with a match_operand in order to help reload.
3475
3476         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
3477         constraint with 'e' for the 8th alternative as this version of
3478         the mov.w instruction only accepts the lower 8 registers.
3479
3480 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
3481
3482         PR target/34856
3483         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
3484         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
3485         vector elements.
3486
3487 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
3488
3489         PR middle-end/33333
3490         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
3491
3492 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
3493
3494         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
3495         New functions.
3496         (remove_structure): Update allocations list before removing structure.
3497         
3498 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
3499
3500         * ipa-struct-reorg.c (is_safe_cond_expr, 
3501         create_new_stmts_for_cond_expr): Use integer_zerop function,
3502         that recognize not only zero-pointer, but zero-integer too.
3503
3504 2008-01-25  Ben Elliston  <bje@au.ibm.com>
3505
3506         PR other/22232
3507         * fixproto: Escape "." in sed expression that strips leading "./".
3508
3509 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
3510
3511         PR driver/34904
3512         * gcc.c (SWITCH_OK): Removed.
3513         (SWITCH_LIVE): Changed to bit.
3514         (SWITCH_FALSE): Likewise.
3515         (SWITCH_IGNORE): Likewise.
3516         (switchstr): Change live_cond to unsigned int.
3517         (process_command): Replace SWITCH_OK with 0.
3518         (do_self_spec): Likewise.
3519         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
3520         (give_switch): Likewise.
3521         (used_arg): Likewise.
3522         (do_spec_1): Set the SWITCH_IGNORE bit.
3523         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
3524         bits.  Set the SWITCH_LIVE bit.
3525
3526 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3527
3528         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
3529
3530 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
3531
3532         PR tree-optimization/34472
3533         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
3534         parameter to a "bool *" and set *DATA to false if there is
3535         an unsafe access.  Do not delete the structure here.
3536         (check_cond_exprs): Delete it here instead.
3537         (check_cond_exprs, exclude_cold_structs): Do not increase
3538         I when removing a structure.
3539
3540 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
3541
3542         PR target/34856
3543         * config/i386/i386.c (ix86_expand_vector_init): Consider only
3544         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
3545
3546 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
3547
3548         PR middle-end/34934
3549         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
3550         a fixed vector for stack.
3551
3552 2008-01-24  Ben Elliston  <bje@au.ibm.com>
3553
3554         PR c++/25701
3555         * doc/gcc.texi (Software development): Add a direntry for g++.
3556         
3557 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
3558
3559         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
3560         stale and straggling -fforce-addr comments above.
3561
3562         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
3563         define.
3564         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
3565         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
3566
3567 2008-01-23  Michael Matz  <matz@suse.de>
3568
3569         PR debug/34895
3570         * dwarf2out.c (force_type_die): Use modified_type_die instead of
3571         gen_type_die.
3572
3573 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
3574
3575         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
3576         malloc result type.
3577
3578 2008-01-23 Anatoly Sokolov <aesok@post.ru>
3579
3580         * config/avr/avr.c (avr_current_arch): New variable.
3581         (avr_arch_types): Add 'avr31' and 'avr51' entries.
3582         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
3583         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
3584         (avr_override_options): Init 'avr_current_arch'. 
3585         (base_arch_s): Move from here...
3586         * config/avr/avr.h (base_arch_s): ... here. Add new members 
3587         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
3588         'mega' to 'have_jmp_call'.
3589         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
3590         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
3591         macros.
3592         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
3593         architectures.
3594         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
3595         MULTILIB_MATCHES): (Ditto.).
3596
3597 2008-01-23  Richard Guenther  <rguenther@suse.de>
3598
3599         PR middle-end/31529
3600         * cgraphunit.c (cgraph_reset_node): Always mark the node
3601         not reachable if it is not queued already.
3602
3603 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
3604
3605         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
3606         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
3607         (cputype_selected): New static variable.
3608         (bfin_handle_option): Set it if -mcpu is used.
3609         (override_option): Select default set of workarounds if no cpu type
3610         selected on the command line.
3611         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
3612
3613         From  Michael Frysinger  <michael.frysinger@analog.com>
3614         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
3615         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
3616
3617         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
3618         for bf547, bf523, bf524, and bf526.
3619         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
3620         bf526.
3621         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3622         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
3623         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
3624         __ADSPBF547__ and __ADSPBF54x__ for bf547.
3625         * doc/invoke.texi (Blackfin Options): Document that
3626         -mcpu now accept bf547, bf523, bf524, and bf526.
3627
3628 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3629
3630         PR rtl-optimization/34628
3631         * combine.c (try_combine): Stop and undo after the first combination
3632         if an autoincrement side-effect on the first insn has effectively
3633         been lost.
3634
3635 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
3636
3637         PR target/34529
3638         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
3639         Offset addresses are not valid for Altivec or paired float modes.
3640
3641 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
3642
3643         PR c++/34607
3644         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
3645         if DECL_INITIAL (decl) is error_mark_node.
3646
3647         PR c++/34914
3648         * c-common.c (handle_vector_size_attribute): Only allow
3649         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
3650         the same way as pointer, array etc. types.
3651         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
3652
3653         PR c++/34917
3654         * tree.c (build_type_attribute_qual_variant): Call
3655         build_qualified_type if attributes are equal, but quals are not.
3656
3657 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3658
3659         PR 32102
3660         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
3661         * flags.h (warn_strict_aliasing): Remove.
3662         (warn_strict_overflow): Remove.
3663         * opts.c (warn_strict_aliasing): Remove.
3664         (warn_strict_overflow): Remove.
3665         * c-opts.c (c_common_handle_option): -Wall only sets
3666         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
3667         (c_common_post_options): Give default values to -Wstrict-aliasing
3668         and -Wstrict-overflow if they are uninitialized.
3669         * common.opt (Wstrict-aliasing): Specify Var and Init.
3670         (Wstrict-overflow): Likewise.
3671
3672 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
3673
3674         PR rtl-optimization/26854
3675         PR rtl-optimization/34400
3676         PR rtl-optimization/34884
3677         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
3678         DF_RD->gen.
3679         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
3680         (df_rd_bb_info.expanded_lr_out): Deleted
3681         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
3682         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
3683         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3684         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3685         Removed code to allocate, initialize or free expanded_lr_out.
3686         (df_rd_bb_local_compute_process_def): Restructured to make more
3687         understandable.
3688         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
3689         sets if the sets are being trimmed.
3690
3691 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
3692
3693         PR bootstrap/32287
3694         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
3695         (as_vers): Likewise.
3696         * configure: Regenerated.
3697
3698 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3699
3700         PR middle-end/33092
3701         * tree-pass.h (pass_build_alias): New pass.
3702         * tree-ssa-alias.c (gate_build_alias): New.
3703         (pass_build_alias): New.
3704         * passes.c (init_optimization_passes): Add pass_build_alias after
3705         pass_create_structure_vars.
3706
3707 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
3708
3709         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
3710         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
3711         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
3712         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
3713         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
3714         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
3715         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
3716         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
3717         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
3718         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
3719         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
3720         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
3721         * config/s390/s390.md (FP_ALL): New mode iterator.
3722         (_d): New mode attribute.
3723         ("*signbit<mode>2>"): Changed mode of first operand.
3724         ("isinf<mode>2"): Changed mode of first operand.
3725         ("*TDC_insn"): Adaptation for DFP modes.
3726
3727 2008-01-22  Ben Elliston  <bje@au.ibm.com>
3728
3729         * tree.c (check_qualified_type): Improve function description.
3730
3731 2008-01-21  Jason Merrill  <jason@redhat.com>
3732
3733         PR c++/34196
3734         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
3735         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
3736         if it is set.
3737
3738 2008-01-21  DJ Delorie  <dj@redhat.com>
3739
3740         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
3741         return zero.
3742
3743 2008-01-21  Richard Guenther  <rguenther@suse.de>
3744
3745         PR middle-end/34856
3746         * tree-cfg.c (verify_expr): Allow all invariant expressions
3747         instead of just constant class ones as reference argument.
3748         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
3749         like any other constant.
3750         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
3751
3752 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
3753
3754         * regmove.c (fixup_match_1): Update call crossed frequencies.
3755
3756 2008-01-21  Richard Guenther  <rguenther@suse.de>
3757
3758         PR c/34885
3759         * tree-inline.c (setup_one_parameter): Deal with mismatched
3760         types using a VIEW_CONVERT_EXPR.
3761
3762 2008-01-21  Alon Dayan  <alond@il.ibm.com>
3763             Olga Golovanevsky  <olga@il.ibm.com>
3764         
3765         PR tree-optimization/34701
3766         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
3767         when the structure size is not a power of 2.
3768
3769 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
3770
3771         * doc/install.texi: Add doc for --enable-checking=df.
3772         
3773 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3774
3775         PR rtl-optimization/34808
3776         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
3777
3778 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3779
3780         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
3781         input.
3782
3783 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
3784
3785         PR rtl-optimization/26854
3786         PR rtl-optimization/34400
3787         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
3788         DF_RD->gen.
3789         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
3790         (df_rd_bb_info.expanded_lr_out): New.
3791         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
3792         * loop_iv.c (iv_analysis_loop_init): Ditto.
3793         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3794         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3795         Added code to allocate, initialize or free expanded_lr_out.
3796         (df_rd_bb_local_compute_process_def): Restructured to make
3797         more understandable.
3798         (df_rd_confluence_n): Add code to do nothing with fake edges and
3799         code to no apply invalidate_by_call sets if the sets are being trimmed.
3800         (df_lr_local_finalize): Renamed to df_lr_finalize.
3801         (df_live_local_finalize): Renamed to df_live_finalize.
3802
3803 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3804
3805         PR target/34831
3806         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
3807         deciding whether to use reciprocal instructions.
3808
3809 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
3810
3811         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
3812         dwarf2out_note_section_used if cold_text_section is NULL.
3813
3814 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
3815
3816         PR gcov-profile/34610
3817         * tree-cfg.c (make_edges): Mark both outgoing edges from
3818         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
3819         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
3820         from OMP_FOR and OMP_CONTINUE outgoing edges.
3821
3822         * tree-profile.c (tree_profiling): Return early if
3823         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
3824         at the end.
3825         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
3826         from cfun to child_cfun.
3827         * function.h (struct function): Add after_tree_profile bit.
3828
3829 2008-01-19 Anatoly Sokolov <aesok@post.ru>
3830
3831         * config/avr/avr.S (_exit): Disable interrupt.
3832
3833 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
3834             Steven Bosscher  <stevenb.gcc@gmail.com>
3835
3836         PR rtl-optimization/26854
3837         PR rtl-optimization/34400
3838         * df-problems.c (df_live_scratch): New scratch bitmap.
3839         (df_live_alloc): Allocate df_live_scratch when doing df_live.
3840         (df_live_reset): Clear the proper bitmaps.
3841         (df_live_bb_local_compute): Only process the artificial defs once
3842         since the order is not important.
3843         (df_live_init): Init the df_live sets only with the variables
3844         found live by df_lr.
3845         (df_live_transfer_function): Use the df_lr sets to prune the
3846         df_live sets as they are being computed.  
3847         (df_live_free): Free df_live_scratch.
3848
3849 2008-01-18  Ian Lance Taylor  <iant@google.com>
3850
3851         * common.opt: Add fmerge-debug-strings.
3852         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
3853         flag_merge_debug_strings rather than flag_merge_constants.
3854         * doc/invoke.texi (Option Summary): Mention
3855         -fmerge-debug-strings.
3856         (Debugging Options): Document -fmerge-debug-strings.
3857
3858 2008-01-18  Ian Lance Taylor  <iant@google.com>
3859
3860         PR c++/33407
3861         * tree.h (DECL_IS_OPERATOR_NEW): Define.
3862         (struct tree_function_decl): Add new field operator_new_flag.
3863         * tree-inline.c (expand_call_inline): When inlining a call to
3864         operator new, force the return value to go into a variable, and
3865         set DECL_NO_TBAA_P on that variable.
3866         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
3867
3868 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
3869
3870         PR debug/34484
3871         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
3872         DWARF2_DEBUGGING_INFO.
3873         (dwarf2out_note_section_used): Ditto.  Add prototype.
3874         (have_multiple_function_sections, text_section_used,
3875         cold_text_section_used, *cold_text_sections): Move declarations
3876         before their uses.
3877
3878 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
3879
3880         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
3881         field and add signal_ra.
3882         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
3883         assignments to frame state pc.  Move end of stack check after
3884         MD_FALLBACK_FRAME_STATE_FOR.
3885         (uw_update_context_1): Use frame state signal_regs if set, instead
3886         of checking signal_frame flag.
3887         (uw_update_context): Use frame state signal_ra if set.
3888         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
3889         * config/xtensa/linux-unwind.h: New file.
3890
3891 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
3892
3893         * modulo-sched.c (get_sched_window): Fix comment typo.
3894
3895 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
3896
3897         PR tree-optimization/34648
3898         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
3899
3900 2008-01-17  Anatoly Sokolov <aesok@post.ru>
3901
3902         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
3903         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
3904
3905 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
3906
3907         PR rtl-optimization/34400
3908         * df-core.c (df_worklist_dataflow_overeager,
3909         df_worklist_dataflow_doublequeue): New functions.
3910         (df_worklist_dataflow): Two different worklist solvers.
3911         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
3912         New param.
3913
3914 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3915
3916         PR testsuite/34821
3917         * doc/invoke.texi: Document the dependence on pthread for fopenmp
3918         and ftree-parallelize-loops.
3919
3920 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
3921
3922         PR rtl-optimization/34826
3923         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
3924
3925 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3926
3927         * global.c (find_reg): Mark the eh regs as used if necessary.
3928         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
3929         * ra.h (struct allocno): no_eh_reg field added.  Changed
3930         no_stack_reg type to bitfield.
3931
3932 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
3933
3934         * tree.c (substitute_in_expr): Add missing 'break'.
3935
3936 2008-01-17  Richard Guenther  <rguenther@suse.de>
3937
3938         PR tree-optimization/34825
3939         * tree-ssa-math-opts.c (is_division_by): Do not recognize
3940         x / x as division to handle.
3941
3942 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3943
3944         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
3945         "-pthread" is specified.
3946         * pa-hpux11.h (LIB_SPEC): Likewise.
3947
3948 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
3949             Peter Bergner  <bergner@vnet.ibm.com>
3950
3951         PR rtl-optimization/33796
3952         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
3953
3954 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3955
3956         PR libgfortran/34699
3957         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
3958         static links.
3959         * pa-hpux10.h (LINK_SPEC): Likewise.
3960         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
3961
3962 2008-01-16  Richard Guenther  <rguenther@suse.de>
3963
3964         PR middle-end/32628
3965         * fold-const.c (fold_convert_const_int_from_int): Do not
3966         set overflow if that occured only because of a sign extension
3967         change when converting from/to a sizetype with the same
3968         precision and signedness.
3969
3970 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3971
3972         PR debug/34249
3973         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
3974         location address to the correct place.  Update copyright year.
3975
3976 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3977
3978         * lambda-code.c (lambda_transform_legal_p): Handle the case of
3979         no dependences in the dependence_relations vector.
3980
3981 2008-01-16  Jan Hubicka  <jh@suse.cz>
3982
3983         PR rtl-optimization/31396
3984         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
3985         * cfg.c (dump_reg_info): Print it.
3986         * regs.h (struct reg_info_t): add freq_calls_crossed.
3987         (REG_FREQ_CALLS_CROSSED): New macro.
3988         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
3989         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
3990         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
3991         regmove_optimize): Update call crossed frequencies.
3992         * local-alloc.c (struct qty): Add freq_calls_crossed.
3993         (alloc_qty): Copute freq_calls_crossed.
3994         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
3995         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
3996         * ra.h (struct allocno): Add freq_calls_crossed.
3997
3998 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3999
4000         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
4001         libgomp when compiling with ftree-parallelize-loops.
4002         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
4003
4004 2008-01-16  Richard Guenther  <rguenther@suse.de>
4005
4006         PR tree-optimization/34769
4007         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
4008         * tree.c (int_cst_value): Instead make this function more
4009         permissive in what it accepts as valid input.  Document this
4010         function always sign-extends the value.
4011
4012 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
4013             Richard Guenther  <rguenther@suse.de>
4014
4015         PR c/34668
4016         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
4017         (gimple_fold_indirect_ref_rhs): ... this.
4018         (gimple_fold_indirect_ref): New function with foldings
4019         that preserve lvalueness.
4020         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
4021         * tree-flow.h (gimple_fold_indirect_ref): Declare.
4022         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
4023         to fold an INDIRECT_REF, fall back to the old use of
4024         fold_indirect_ref_1.
4025
4026 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4027
4028         * tree-data-ref.c (subscript_dependence_tester_1): Call 
4029         free_conflict_function.
4030         (compute_self_dependence): Same.
4031
4032 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
4033
4034         PR debug/34249
4035         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
4036         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
4037         function global.
4038         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
4039         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
4040         for DWARF2_UNWIND_INFO targets.
4041
4042 2008-01-16  Richard Guenther  <rguenther@suse.de>
4043
4044         PR c/34768
4045         * c-typeck.c (common_pointer_type): Do not merge inconsistent
4046         type qualifiers for function types.
4047
4048 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
4049
4050         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
4051         loop_iterator li from previous commit.
4052
4053 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4054
4055         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
4056
4057 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
4058
4059         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
4060         (parallelize_loops): Don't parallelize irreducible components.
4061
4062 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4063
4064         PR c++/24924
4065         * c-opts (c_common_post_options): Do not enable CPP
4066         flag_pedantic_errors by default.
4067         
4068 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
4069
4070         PR rtl-optimization/31944
4071         * cse.c (remove_pseudo_from_table): New function.
4072         (merge_equiv_classes): Use above function to remove pseudo-registers.
4073         (invalidate): Likewise.
4074
4075 2008-01-13  Richard Guenther  <rguenther@suse.de>
4076
4077         PR middle-end/34601
4078         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
4079         instead of TYPE_MODE to deal with calls from expand_one_error_var.
4080
4081 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
4082
4083         * gcse.c (cprop_jump): Call validate_unshare_change instead of
4084         validate_change to unshare the source of the PC set.
4085
4086 2008-01-12  Jan Hubicka  <jh@suse.cz>
4087
4088         PR middle-end/32135
4089         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
4090         references above array bounds.  This might trigger bounds checks for
4091         pointers to arrays.
4092
4093 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
4094
4095         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
4096         new_replaceable_dependencies.
4097
4098 2008-01-12  Doug Kwan  <dougkwan@google.com>
4099
4100         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
4101         instead of OPT_Wreturn_type in warning due to ignored return type
4102         qualifiers.
4103         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
4104         options included in -Wextra.
4105         * c.opt: New option -Wignored_qualifiers.
4106         * doc/invoke.texi (Warning Options, -Wextra): Add new option
4107         -Wignore_qualifiers.
4108         (-Wignored-qualifiers): Document.
4109         (-Wreturn-type): Remove description of functionality now handled
4110         by -Wignored-qualifiers.
4111
4112 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
4113
4114         PR ada/33788
4115         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
4116         NOP_EXPR if it is between integral types with the same precision.
4117
4118 2008-01-12  Jan Hubicka  <jh@suse.cz>
4119
4120         PR other/28023
4121         * invoke.texi (max-inline-recursive-depth): Fix default value.
4122
4123 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
4124
4125         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
4126         correct type.
4127
4128 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
4129         
4130         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
4131         
4132 2008-01-11  James E. Wilson  <wilson@specifix.com>
4133
4134         PR target/26015
4135         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
4136
4137 2008-01-11  Anatoly Sokolov <aesok@post.ru>
4138
4139         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
4140         save/restore frame pointer register and don't use 'call-prologues' 
4141         optimization in function with "OS_task" attribute.
4142
4143 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
4144
4145         PR middle-end/31309
4146         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
4147         when copying to memory.
4148
4149 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
4150
4151         PR rtl-optimization/30905
4152         * cfgcleanup.c: Include dce.h
4153         (crossjumps_occured): New global variable.
4154         (try_crossjump_bb): Exit loop after finding a fallthru edge.
4155         If something changed, set crossjumps_occured to true.
4156         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
4157         Don't add/remove fake edges to exit here...
4158         (cleanup_cfg): ...but do it here, when crossjumping.
4159         Run a fast DCE when successful crossjumps occured in the latest
4160         iteration of try_optimize_cfg.
4161
4162 2008-01-11  Richard Guenther  <rguenther@suse.de>
4163
4164         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
4165         (struct vn_unary_op_s): Likewise.
4166         (vn_reference_insert): Free old reference on hash collision.
4167
4168 2008-01-10  Raksit Ashok  <raksit@google.com>
4169
4170         PR rtl-optimization/27971
4171         * combine.c (find_split_point): Split PLUS expressions which are
4172         inside a MEM rtx, and whose first operand is complex.
4173
4174 2008-01-10  DJ Delorie  <dj@redhat.com>
4175
4176         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
4177         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
4178         (m32c_hard_regno_ok): Call the underlying function.
4179
4180 2008-01-10  Richard Guenther  <rguenther@suse.de>
4181
4182         PR middle-end/34683
4183         * tree-cfg.c (tree_merge_blocks): Do not go through the
4184         full-blown folding and stmt updating path if we just deal
4185         with virtual operands.
4186         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
4187         test for abnormal SSA_NAMEs.
4188
4189 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
4190
4191         PR middle-end/34641
4192         * reload.c (push_reload): Add assertions.  All constants from
4193         reg_equiv_constant should have been used for replacing the respective
4194         pseudo earlier.
4195         (find_reloads_address): Invoke find_reloads_address_part for
4196         constant taken from the reg_equiv_constant array.
4197
4198 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
4199
4200         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
4201         field (valnum) the first in the struct.  Replace bools with
4202         unit bit fields.
4203
4204 2008-01-10  Richard Guenther  <rguenther@suse.de>
4205
4206         PR tree-optimization/34651
4207         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
4208         types and ordering for masking and converting.
4209
4210 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
4211
4212         PR tree-optimization/34017
4213         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
4214         also for PHI_NODE expressions.
4215
4216 2008-01-09  Jan Hubicka  <jh@suse.cz>
4217
4218         PR tree-optimization/34708
4219         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
4220         based on number of case labels.
4221         (init_inline_once): Remove switch_cost.
4222         * tree-inline.h (eni_weights_d): Remove switch_cost.
4223
4224 2008-01-09  Richard Guenther  <rguenther@suse.de>
4225         Andrew Pinski  <andrew_pinski@playstation.sony.com>
4226
4227         PR middle-end/30132
4228         * gimplify.c (gimplify_cond_expr): Do not create an addressable
4229         temporary if an rvalue is ok or an lvalue is not required.
4230
4231 2008-01-09  Richard Guenther  <rguenther@suse.de>
4232
4233         PR middle-end/34458
4234         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
4235         adjust return type.
4236
4237 2008-01-09  Richard Guenther  <rguenther@suse.de>
4238
4239         PR middle-end/34679
4240         * tree.c (host_integerp): Check for sizetype only if the
4241         type is an integer type.
4242
4243 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
4244
4245         PR debug/26364
4246         * opts.c (decode_options): Disable inlining of functions called
4247         once if not in unit-at-a-time mode.
4248
4249 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
4250
4251         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
4252
4253 2008-01-08  Richard Guenther  <rguenther@suse.de>
4254
4255         PR middle-end/31863
4256         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
4257         out early if the result will be unused.
4258
4259 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
4260
4261         PR target/34709
4262         Revert:
4263
4264         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
4265         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4266         for TARGET_RECIP.       
4267         
4268 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
4269         
4270         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
4271         for vectorization tuned.
4272         
4273 2008-01-08  Richard Guenther  <rguenther@suse.de>
4274
4275         PR tree-optimization/34683
4276         * tree-ssa-operands.c (operand_build_cmp): Export.
4277         * tree-ssa-operands.h (operand_build_cmp): Declare.
4278         * tree-vn.c (vuses_compare): Remove.
4279         (sort_vuses): Use operand_build_cmp.
4280         (sort_vuses_heap): Likewise.
4281         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
4282         to re-use old VEC if available.  Do not sort already sorted VUSEs.
4283         (vdefs_to_vec): Do not sort already sorted VDEFs.
4284
4285 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
4286
4287         PR middle-end/34694
4288         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
4289
4290 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
4291
4292         PR target/34702
4293         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
4294         limitations of reciprocal sequences on x86 targets.
4295
4296 2008-01-08  Richard Guenther  <rguenther@suse.de>
4297
4298         PR tree-optimization/34683
4299         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
4300
4301 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
4302
4303         PR target/34622
4304         * config/darwin.c (darwin_mergeable_string_section): Don't use
4305         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
4306
4307 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
4308
4309         PR target/34682
4310         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
4311         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
4312         predicates of op0 and op1 to register_operand.
4313         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
4314         expander using X87MODEF mode iterator.  Change predicates of
4315         op0 and op1 to register_operand.
4316         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
4317         corresponding patterns and macroize using MODEF macro.  Change
4318         predicates of op0 and op1 to register_operand and remove
4319         "m" constraint. Disparage "r" alternative with "!".
4320         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
4321         macroize using X87MODEF macro.  Change predicates of op0 and op1
4322         to register_operand and remove "m" constraint.  Disparage "r"
4323         alternative with "!".
4324         (absneg splitter with memory operands): Remove.
4325         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
4326         patterns and macroize using X87MODEF mode iterator.
4327         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
4328         Change predicate of op1 to register_operand.
4329         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
4330         for memory operands.
4331
4332 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
4333
4334         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
4335
4336 2008-01-07  Richard Guenther  <rguenther@suse.de>
4337
4338         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
4339         fields.
4340
4341 2008-01-07  Richard Guenther  <rguenther@suse.de>
4342
4343         PR tree-optimization/34683
4344         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
4345         VOPs of the needed size to save memory.  Use VEC_quick_push
4346         to save compile-time.
4347         (vdefs_to_vec): Likewise.
4348
4349 2008-01-07  Sa Liu  <saliu@de.ibm.com>
4350
4351         * config/spu/spu.md (divdf3): Genetate inline code for double
4352         division.  The implementation doesn't handle INF or NAN, therefore it
4353         only applies when -ffinite-math-only is given.
4354
4355 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
4356
4357         PR libstdc++/34680
4358         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
4359         * doc/cpp.texi ([Common Predefined Macros]): Document.
4360
4361 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
4362
4363         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
4364         order to use commutative addition instead of subtraction.
4365
4366 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4367             Mircea Namolaru  <namolaru@il.ibm.com>
4368             Vladimir Yanovsky  <yanov@il.ibm.com>
4369             Revital Eres  <eres@il.ibm.com>
4370
4371         PR tree-optimization/34263
4372         * tree-outof-ssa.c (process_single_block_loop_latch,
4373         contains_tree_r): New functions.
4374         (analyze_edges_for_bb): Call process_single_block_loop_latch
4375         function to empty single-basic-block latch block if possible.
4376
4377 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
4378
4379         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4380         for TARGET_RECIP.
4381         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
4382
4383 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
4384
4385         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
4386
4387 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
4388
4389         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
4390
4391 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
4392
4393         PR tree-optimization/34618
4394         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
4395         flag from T.
4396
4397 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
4398
4399         PR target/34673
4400         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
4401         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
4402         Update copyright year.
4403
4404         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
4405         Update copyright year.
4406         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
4407         using NR fixup.
4408
4409 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
4410
4411         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
4412         edge does not point to current bb before changing need_assert.
4413
4414 2008-01-04  Richard Guenther  <rguenther@suse.de>
4415
4416         PR middle-end/34029
4417         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
4418         for verifying purposes if they are is_gimple_min_invariant.
4419
4420 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
4421
4422         PR tree-optimization/34448
4423         PR tree-optimization/34465
4424         * gimplify.c (gimplify_init_constructor): Add new parameter
4425         notify_temp_creation.  Use it.
4426         (gimplify_modify_expr_rhs): Take volatiles into account when
4427         optimizing constructors.
4428         Do not optimize constructors if gimplify_init_constructor will dump to
4429         memory.
4430         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
4431         * gcc.c-torture/compile/pr34448.c: New.
4432
4433 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
4434
4435         PR gcov-profile/34609
4436         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
4437         return_slot if result is TREE_ADDRESSABLE.
4438
4439 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
4440
4441         * config/mips/mips.md (sqrt_condition): Tweak comment.
4442         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
4443
4444 2008-01-03  Tom Tromey  <tromey@redhat.com>
4445
4446         PR c/34457
4447         * c-common.c (c_type_hash): Handle VLAs.
4448
4449 2008-01-03  Jan Hubicka  <jh@suse.cz>
4450
4451         PR tree-optimization/31081
4452         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
4453         0 when inlining and not inlining to first basic block.
4454         (remap_decl): When var is initialized to 0, don't set default_def.
4455         (expand_call_inline): Set entry_bb.
4456         * tree-inline.h (copy_body_data): Add entry_bb.
4457
4458 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
4459
4460         PR c++/34619
4461         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
4462         before returning.
4463
4464         PR tree-optimization/29484
4465         * tree-inline.c (inline_forbidden_p_2): New function.
4466         (inline_forbidden_p): Disallow inlining if some static var
4467         has an address of a local LABEL_DECL in its initializer.
4468         * doc/extend.texi (Labels as Values): Document &&foo behaviour
4469         vs. inlining.
4470
4471 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
4472
4473         PR tree-optimization/34635
4474         * tree-data-ref.c (add_other_self_distances): Make sure that the
4475         evolution step is constant.
4476
4477 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
4478
4479         PR middle-end/34608
4480         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
4481
4482 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
4483
4484         * tree-sra.c (scalarize_init): Insert the generate_element_init
4485         statements after the generate_element_zero statements.
4486
4487 2008-01-02  Richard Guenther  <rguenther@suse.de>
4488
4489         PR middle-end/34093
4490         PR middle-end/31976
4491         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
4492         for very large number of operands instead of ICEing.
4493
4494 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
4495
4496         PR target/34013
4497         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
4498         while stack probing.
4499
4500 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
4501
4502         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
4503         in C++0x mode.
4504
4505 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
4506
4507         PR libmudflap/26442
4508         * tree-mudflap.c (mx_register_decls): Guard warning by
4509         !DECL_ARTIFICIAL check.
4510
4511 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
4512
4513         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
4514         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
4515         sse5_perm<mode>): Fix constraints.