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