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1 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2
3         PR target/27946
4         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
5         encouraging but not allowing gprs for input;
6         change the input constraint to !f#r.
7         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
8         gprs for output;
9         change the output constraint to !f#r.
10
11 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
12
13         PR target/13958
14         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
15         corresponding post-reload splitters.
16         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
17         when x87 FP math is selected.
18         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
19         New function prototype.
20         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
21         unreachable function to ease macroization of insn patterns.
22
23 2008-03-21  Martin Jambor  <mjambor@suse.cz>
24
25         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
26         reference dumps if ddr is NULL or dependence is unknown.
27
28 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
29
30         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
31         unsigned extension into account.
32         (ATOMIC_COMPARE_AND_SWAP): Likewise.
33         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
34         Do computations on a scratch register.
35
36 2008-03-21  Richard Guenther  <rguenther@suse.de>
37
38         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
39         Use is_gimple_min_invariant instead of TREE_INVARIANT.
40         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
41         * tree-ssa-dom.c (record_equality): Likewise.
42         * tree-inline.c (copy_body_r): Likewise.
43         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
44         TREE_INVARIANT.
45
46 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
47
48         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
49         as 'delete_unused' argument.
50
51 2008-03-20  Richard Guenther  <rguenther@suse.de>
52
53         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
54         special casing of constant qualifiers.
55         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
56         care about them in general.
57         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
58         regardless of their type.
59         (fold_stmt_r): Forcefully fold *& if we end up with that.
60
61 2008-03-20  Paul Brook  <paul@codesourcery.com>
62
63         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
64         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
65         linker flags.
66         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
67         definition.
68         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
69         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
70
71 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
72
73         * common.opt (Wmudflap): New option.
74         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
75         (mx_register_decls): Likewise.
76         (mudflap_finish_file): Likewise.
77         * doc/invoke.texi: Document -Wno-mudflap.
78
79 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
80
81         * c-format.c (replace_format_name_to_system_name): New.
82         (cmp_attribs): New.
83         (convert_format_name_to_system_name): New.
84         (decode_format_attr): Add use of convert_format_name_to_system_name.
85         (format_types_orig): Add gnu_ prefix to names.
86         (check_format_info_main): Special treating of \0 escaped names for
87         supporting multi-character format specifiers as I32, I64.
88         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
89         (gnu_target_overrides_format_attributes): New.
90         * c-format.h: Add structure target_ovr_attr to hold
91         system specific formatter names.
92         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
93         msformat-c.o file to c_target_objs and cxx_target_objs.
94         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
95         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
96         (TARGET_N_FORMAT_TYPES): New.
97         * config/i386/msformat-c.c: New.
98         * config/i386/t-cygming: Add build rule for msformat-c.o.
99         * doc/extend.texi: Add new format names gnu_* and ms_* and
100         further details.
101         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
102
103 2008-03-20  Ira Rosen  <irar@il.ibm.com>
104
105         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
106         optimizations turned on under -O3.
107         (ftree-vectorize): Add that the flag is turned on with -O3.
108
109 2008-03-20  Ben Elliston  <bje@au.ibm.com>
110
111         * regmove.c (try_auto_increment): Fix spelling error in comment.
112         * final.c (final_scan_insn): Likewise.
113
114 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
115
116         PR target/14552
117         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
118         allocator preferences for "y" and "r" class registers.
119         ("*mov<mode>_internal"): Ditto.
120         ("*movv2sf_internal_rex64"): Ditto.
121         ("*movv2sf_internal"): Ditto.
122
123 2008-03-19  Michael Matz  <matz@suse.de>
124
125         PR middle-end/35616
126         * calls.c (expand_call): Check overlap of arguments with call
127         address for sibcalls.
128
129 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
130
131         PR target/35496
132         * stor-layout.c (update_alignment_for_field): Set minimum alignment
133         of the underlying type of a MS bitfield layout to the natural
134         alignment of the type.
135
136 2008-03-19  Jan Hubicka  <jh@suse.cz>
137
138         PR other/35094
139         * toplev.c (decode_d_option): Handle all CPP flags.
140         * tree-vrp.c: Update tree_pass descriptors.
141         * regrename.c: Update tree_pass descriptors.
142         * fwprop.c: Update tree_pass descriptors.
143         * doc/invoke.texi: Remove documentation of dropped -d? flags.
144         * tree-into-ssa.c: Update tree_pass descriptors.
145         * tree-dump.c: Update tree_pass descriptors.
146         * tree-complex.c: Update tree_pass descriptors.
147         * tree-dump.h: Update tree_pass descriptors.
148         * see.c: Update tree_pass descriptors.
149         * cgraphbuild.c: Update tree_pass descriptors.
150         * tracer.c: Update tree_pass descriptors.
151         * tree-loop-distribution.c: Update tree_pass descriptors.
152         * cgraph.c: Update tree_pass descriptors.
153         * postreload-gcse.c: Update tree_pass descriptors.
154         * postreload.c: Update tree_pass descriptors.
155         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
156         * tree-tailcall.c: Update tree_pass descriptors.
157         * tree-pass.h (tree_opt_pass): Rename to ...
158         (opt_pass) ... this one; add "type" field and remove letter field.
159         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
160         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
161         all_lowering_passes): Update declaration.
162         * ipa-cp.c: Update tree_pass descriptors.
163         * final.c: Update tree_pass descriptors.
164         * omp-low.c: Update tree_pass descriptors.
165         * tree-ssa-dse.c: Update tree_pass descriptors.
166         * ipa-reference.c: Update tree_pass descriptors.
167         * tree-ssa-uncprop.c: Update tree_pass descriptors.
168         * auto-inc-dec.c: Update tree_pass descriptors.
169         * reorg.c: Update tree_pass descriptors.
170         * cgraphunit.c: Update tree_pass descriptors.
171         * tree-ssa-copyrename.c: Update tree_pass descriptors.
172         * tree-ssa-ccp.c: Update tree_pass descriptors.
173         * df-core.c: Update tree_pass descriptors.
174         * mode-switching.c: Update tree_pass descriptors.
175         * tree-nomudflap.c: Update tree_pass descriptors.
176         * modulo-sched.c: Update tree_pass descriptors.
177         * ipa-pure-const.c: Update tree_pass descriptors.
178         * cse.c: Update tree_pass descriptors.
179         * web.c: Update tree_pass descriptors.
180         * tree-stdarg.c: Update tree_pass descriptors.
181         * tree-ssa-math-opts.c: Update tree_pass descriptors.
182         * tree-ssa-dom.c: Update tree_pass descriptors.
183         * tree-nrv.c: Update tree_pass descriptors.
184         * tree-ssa-alias.c: Update tree_pass descriptors.
185         * loop-init.c: Update tree_pass descriptors.
186         * gimple-low.c: Update tree_pass descriptors.
187         * ipa-inline.c: Update tree_pass descriptors.
188         * tree-ssa-sink.c: Update tree_pass descriptors.
189         * global.c: Update tree_pass descriptors.
190         * ifcvt.c: Update tree_pass descriptors.
191         * jump.c: Update tree_pass descriptors.
192         * predict.c: Update tree_pass descriptors.
193         * tree-ssa-loop.c: Update tree_pass descriptors.
194         * recog.c: Update tree_pass descriptors.
195         * dse.c: Update tree_pass descriptors.
196         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
197         * tree-eh.c: Update tree_pass descriptors.
198         * regmove.c: Update tree_pass descriptors.
199         * local-alloc.c
200         * function.c: Update tree_pass descriptors.
201         * tree-vectorizer.c: Update tree_pass descriptors.
202         * gcse.c: Update tree_pass descriptors.
203         * ipa-type-escape.c: Update tree_pass descriptors.
204         * tree-if-conv.c: Update tree_pass descriptors.
205         * init-regs.c: Update tree_pass descriptors.
206         * ipa.c: Update tree_pass descriptors.
207         * tree-ssa-phiopt.c: Update tree_pass descriptors.
208         * rtl-factoring.c: Update tree_pass descriptors.
209         * lower-subreg.c: Update tree_pass descriptors.
210         * bt-load.c: Update tree_pass descriptors.
211         * tree-dfa.c: Update tree_pass descriptors.
212         * except.c: Update tree_pass descriptors.
213         * emit-rtl.c: Update tree_pass descriptors.
214         * cfgexpand.c: Update tree_pass descriptors.
215         * tree-cfgcleanup.c: Update tree_pass descriptors.
216         * cfgcleanup.c: Update tree_pass descriptors.
217         * tree-ssa-pre.c: Update tree_pass descriptors.
218         * tree-sra.c: Update tree_pass descriptors.
219         * tree-mudflap.c: Update tree_pass descriptors.
220         * tree-ssa-copy.c: Update tree_pass descriptors.
221         * cfglayout.c: Update tree_pass descriptors.
222         * tree-ssa-forwprop.c: Update tree_pass descriptors.
223         * tree-ssa-dce.c: Update tree_pass descriptors.
224         * tree-ssa.c: Update tree_pass descriptors.
225         * regclass.c: Update tree_pass descriptors.
226         * integrate.c: Update tree_pass descriptors.
227         * tree-optimize.c: Update tree_pass descriptors.
228         * tree-ssa-phiprop.c: Update tree_pass descriptors.
229         * tree-object-size.c: Update tree_pass descriptors.
230         * combine.c: Update tree_pass descriptors.
231         * tree-outof-ssa.c: Update tree_pass descriptors.
232         * bb-reorder.c: Update tree_pass descriptors.
233         * stack-ptr-mod.c: Update tree_pass descriptors.
234         * var-tracking.c: Update tree_pass descriptors.
235         * tree-profile.c: Update tree_pass descriptors.
236         * tree-vect-generic.c: Update tree_pass descriptors.
237         * reg-stack.c: Update tree_pass descriptors.
238         * sched-rgn.c: Update tree_pass descriptors.
239         * tree-ssa-structalias.c: Update tree_pass descriptors.
240         * tree-cfg.c: Update tree_pass descriptors.
241         * passes.c (current_pass): Update declaration.
242         (finish_optimization_passes): Update.
243         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
244         (register_one_dump_file, register_dump_files_1, next_pass_1):
245         Update arguments.
246         (init_optimization_passes): Update handling of new types.
247         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
248         * ipa-struct-reorg.c: Update tree_pass descriptors.
249         * tree-ssa-reassoc.c: Update tree_pass descriptors.
250         * combine-stack-adj.c: Update tree_pass descriptors.
251         * cfgrtl.c: Update tree_pass descriptors.
252         * dce.c: Update tree_pass descriptors.
253         * tree-ssanames.c: Update tree_pass descriptors.
254
255 2008-03-19  Richard Guenther  <rguenther@suse.de>
256
257         PR middle-end/35609
258         * tree-ssa.c (always_executed): New global flag.
259         (warn_uninitialized_var): If !always_executed warn with "maybe"
260         instead of "is".
261         (execute_early_warn_uninitialized): Compute post-dominators.
262         Initialize always_executed before processing each basic block.
263
264 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
265
266         PR target/35504
267         * config/i386/i386.c (x86_this_parameter): Calculate correct location
268         of "this" pointer when "regparm = N" or "fastcall" is in effect.
269
270 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
271
272         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
273
274 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
275
276         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
277         is true.
278         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
279         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
280         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
281         target after ignore has been set, and move there also the commputation
282         of subtarget and original_target.
283         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
284         (LANG_HOOKS_INITIALIZER): Remove it.
285         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
286
287 2008-03-18  Richard Guenther  <rguenther@suse.de>
288
289         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
290         found an expression with constants, note that in the VN for the lhs.
291         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
292         fold them to constants if possible.  Run cleanup_cfg if done so.
293         (execute_pre): Return todo.
294         (do_pre): Likewise.
295         (execute_fre): Likewise.
296         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
297         of constants.
298         (get_prop_source_stmt): Look through pointer conversions.
299
300 2008-03-18  Jan Hubicka  <jh@suse.cz>
301
302         * tree-pretty-print.c: Include predict.h.
303         (dump_generic_node): Dump predictor.
304         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
305         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
306         * gimple-low.c (lower_stmt): Likewise.
307         * expr.c (expand_expr_real): Likewise.
308         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
309         them.
310         (build_predict_expr, build_predict_expr): New.
311         * predict.h (predictor_name, build_predict_expr): Update.
312         * c-typeck.c (c_finish_bc_stmt): Add prediction.
313         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
314         * predict.def (PRED_CONTINUE): Update hitrate.
315         * tree.def (PREDICT_EXPR): Define.
316         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
317         do not handle BIND_EXPR.
318         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
319         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
320         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
321         operands.
322
323 2008-03-18  Michael Matz  <matz@suse.de>
324
325         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
326
327 2008-03-18  Richard Guenther  <rguenther@suse.de>
328
329         * tree-gimple.h (is_gimple_invariant_address): Declare.
330         (is_gimple_constant): Likewise.
331         * tree-gimple.c (is_gimple_constant): New function.
332         (is_gimple_invariant_address): Likewise.
333         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
334         and is_gimple_invariant_address.
335         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
336         previous change.
337         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
338         an addressable base.
339
340 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
341
342         PR middle-end/35611
343         * gimplify.c (gimplify_expr): Gimplify second operand of
344         OMP_ATOMIC_LOAD.
345
346 2008-03-17  Richard Guenther  <rguenther@suse.de>
347
348         PR tree-optimization/19637
349         * fold-const.c (fold_unary): Remove restrictions of removing
350         intermediate pointer-conversions (P2)(P1)P0.
351         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
352         conversion to void pointer.
353         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
354
355 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
356
357         PR debug/31510
358         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
359         emulated thread local variables.
360
361 2008-03-16  Richard Guenther  <rguenther@suse.de>
362
363         PR middle-end/35607
364         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
365         expand TREE_INVARIANT operations that are not gimple invariant.
366
367 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
368
369         * doc/extend.texi (Alignment): Say that the ABI controls
370         the __alignof__ for non-strict-alignment targets rather
371         than being a recommendation.
372
373 2008-03-15  Paul Brook  <paul@codesourcery.com>
374
375         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
376         annotations.
377         (arm_output_fn_unwind): Mark functions that can not be unwound.
378
379 2008-03-15  Paul Brook  <paul@codesourcery.com>
380
381         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
382         extension instructions.
383
384 2008-03-15  Richard Guenther  <rguenther@suse.de>
385
386         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
387         and fold constant aggregate refs.
388         (fold_const_aggregate_ref): Handle string constants
389         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
390         (evaluate_stmt): Simplify now that ccp_fold folds constant
391         aggregate refs.
392
393 2008-03-15  Paul Brook  <paul@codesourcery.com>
394
395         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
396         (extzv): Use gen_extzv_t2.
397         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
398
399 2008-03-15  Richard Guenther  <rguenther@suse.de>
400
401         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
402         (fold_const_aggregate_ref): Likewise.
403         (get_value): Return NULL if we don't have any values.
404         (ccp_finalize): Set const_val to NULL after freeing it.
405         * tree-flow.h (get_symbol_constant_value): Declare.
406         (fold_const_aggregate_ref): Likewise.
407         * tree-ssa-sccvn.c (try_to_simplify): Use them.
408
409 2008-03-15  Richard Guenther  <rguenther@suse.de>
410
411         PR middle-end/35593
412         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
413         to not produce negative array indices if not allowed.  Add
414         parameter to indicate that.
415         (maybe_fold_offset_to_component_ref): Allow negative array
416         indices only for the first member of a structure.
417         (maybe_fold_offset_to_reference): Allow negative array indices.
418         (maybe_fold_stmt_addition): Likewise.
419
420 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
421             Anatoly Sokolov <aesok@post.ru>
422
423         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
424         (avr_arch): Add ARCH_AVR6.
425         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
426         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
427         instead of fixed value 2.
428         (print_operand_address): Use gs() asm specifier instead of pm().
429         (avr_assemble_integer): (Ditto.).
430         (avr_output_addr_vec_elt): (Ditto.).
431         (print_operand): Handle "!" code.
432         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
433         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
434         (AVR_HAVE_EIJMP_EICALL): Define.
435         (AVR_3_BYTE_PC): Redefine.
436         (AVR_2_BYTE_PC): (Ditto.).
437         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
438         (LINK_SPEC): Add atmega2560 and atmega2561.
439         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
440         (crtm2561.o).
441         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
442         for 3 byte PC devices.
443         (call_value_insn): (Ditto.).
444         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
445         (indirect_jump): Use only for for 2 byte PC devices.
446         (*tablejump): (Ditto.).
447         (*indirect_jump_avr6): Add insn.
448         (*tablejump_rjmp): Don't use for 3 byte PC devices.
449         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
450         instead of ijmp for 3 byte PC devices.
451         (__tablejump2__): (Ditto.).
452         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
453         (MULITLIB_DIRNAMES): (Ditto.). 
454         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
455
456 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
457
458         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
459         "sse2_umulsidi3".  Use V1DI mode for operand 0.
460         ("mmx_psadbw"): Use V1DI mode for operand 0.
461         * config/i386/i386-modes.def (V1SI): New vector mode.
462         * config/i386/i386.c (struct builtin_description)
463         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
464         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
465         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
466         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
467         v1di_ftype_v8qi_v8qi type.
468         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
469
470         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
471         __builtin_ia32_pmuludq]: Fix the mode of return value.
472
473 2008-03-15  Richard Guenther  <rguenther@suse.de>
474
475         PR middle-end/35595
476         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
477         being a PHI_NODE.
478
479 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
480         
481         * doc/invoke.texi (Option Summary, Xtensa Options): Document
482         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
483         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
484         unless TARGET_SERIALIZE_VOLATILE is enabled.
485         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
486         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
487         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
488
489 2008-03-14  Richard Guenther  <rguenther@suse.de>
490
491         PR tree-optimization/34172
492         * tree-flow.h (refs_may_alias_p): Declare.
493         (get_single_def_stmt): Likewise.
494         (get_single_def_stmt_from_phi): Likewise.
495         (get_single_def_stmt_with_phi): Likewise.
496         * tree-dfa.c (refs_may_alias_p): New function.
497         (get_single_def_stmt): Likewise.
498         (get_single_def_stmt_from_phi): Likewise.
499         (get_single_def_stmt_with_phi): Likewise.
500         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
501         (vn_reference_lookup_1): New helper function.
502         (vn_reference_lookup): Walk the virtual use-def chain to
503         continue searching for a match if the def does not alias the
504         reference we are looking for.
505
506 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
507
508         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
509         archive and Perzl.  Update The Written Word listing.
510
511 2008-03-14  Richard Guenther  <rguenther@suse.de>
512
513         PR tree-optimization/34043
514         PR tree-optimization/33989
515         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
516         when doing FRE.
517         (bitmap_find_leader): Use extra argument to verify dominance
518         relationship inside a basic-block.
519         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
520         (find_leader_in_sets): Adjust.
521         (create_component_ref_by_pieces): Take extra argument for
522         dominance check, handle lookup failures.
523         (find_or_generate_expression): Likewise.
524         (create_expression_by_pieces): Likewise.
525         (insert_into_preds_of_block): Adjust.
526         (create_value_expr_from): If asked for, verify all operands
527         are in the blocks AVAIL_OUT set.
528         (make_values_for_stmt): Check for SSA_NAMEs that are life
529         over an abnormal edge.
530         (compute_avail): Remove such check.
531         (do_SCCVN_insertion): New function.
532         (eliminate): If we do not find a leader suitable for replacement
533         insert a replacement expression from SCCVN if available.
534         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
535         (struct vn_ssa_aux): Add needs_insertion flag.
536         * tree-ssa-sccvn.c (may_insert): New global flag.
537         (copy_reference_ops_from_ref): Value-number union member access
538         based on its size, not type and member if insertion is allowed.
539         (visit_reference_op_load): For a weak match from union type
540         punning lookup a view-converted value and insert a SSA_NAME
541         for that value if that is not found.
542         (visit_use): Make dumps shorter.  Do not disallow value numbering
543         SSA_NAMEs that are life over an abnormal edge to constants.
544         (free_scc_vn): Release inserted SSA_NAMEs.
545         (run_scc_vn): New flag to specify whether insertion is allowed.
546         Process SSA_NAMEs in forward order.
547         * tree-ssa-loop-im.c (for_each_index): Handle invariant
548         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
549         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
550         pointer type to/from integral types that do not change the
551         precision to regular conversions.
552
553 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
554
555         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
556         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
557         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
558         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
559         input arguments and the mode of return value.  Built-in functions
560         that operate on whole 64-bit MMX register now use V1DI mode.
561
562 2008-03-13  Alon Dayan  <alond@il.ibm.com>
563             Olga Golovanevsky  <olga@il.ibm.com>
564
565         PR tree-optimization/35041
566         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
567         to locate the right position in a statement.
568
569 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
570
571         PR target/34000
572         PR target/35553
573         * config/i386/xmmintrin.h:  Change all static inline functions to
574         extern inline and add __gnu_inline__ attribute.
575         * config/i386/bmintrin.h: Ditto.
576         * config/i386/smmintrin.h: Ditto.
577         * config/i386/tmmintrin.h: Ditto.
578         * config/i386/mmintrin-common.h: Ditto.
579         * config/i386/ammintrin.h: Ditto.
580         * config/i386/emmintrin.h: Ditto.
581         * config/i386/pmmintrin.h: Ditto.
582         * config/i386/mmintrin.h: Ditto.
583         * config/i386/mm3dnow.h: Ditto.
584
585 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
586
587         PR middle-end/35185
588         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
589         (lower_omp_2): New function.
590         (lower_omp_1, lower_omp): Rewritten.
591
592 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
593
594         PR 35054
595         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
596         with the phrase "Microsoft Windows compilers".
597         (Push/Pop Macro Pragmas): New subsection. Document
598         #pragma push_macro and pragma pop_macro.
599
600 2008-03-12  Paul Brook  <paul@codesourcery.com>
601
602         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
603
604 2008-03-12  Paul Brook  <paul@codesourcery.com>
605
606         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
607         (thumb2_alusi3_short): Exclude PLUS and MINUS.
608         (thumb2_addsi_shortim): Rename ...
609         (thumb2_addsi_short): ... to this.  Allow register operands.
610         (thumb2_subsi_short): New pattern.
611         (thumb2_one_cmplsi2_short,
612         thumb2_negsi2_short): New patterns and peepholes.
613
614 2008-03-12  Paul Brook  <paul@codesourcery.com>
615
616         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
617
618 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
619
620         * config/i386/i386.md (int_cond): New code iterator.
621         (fp_cond): Ditto.
622         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
623         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
624         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
625         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
626         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
627         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
628         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
629         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
630
631 2008-03-12  Paul Brook  <paul@codesourcery.com>
632
633         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
634         instead of {arm,thumb}_compute_save_reg_mask.
635         (output_return_instruction): Ditto.
636         (thumb_unexpanded_epilogue): Ditto.
637         (thumb1_expand_prologue): Ditto.
638         (thumb1_output_function_prologue): Ditto.
639         (arm_set_return_address): Ditto.
640         (thumb_set_return_address): Ditto.
641         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
642         regs to achieve stack alignment.
643         (thumb1_compute_save_reg_mask): Fix compiler warning.
644         (arm_output_epilogue): Use offsets->saved_regs_mask.
645         Adjust stack pointer by poping call clobered registers.
646         (arm_expand_prologue): Use offsets->saved_regs_mask.
647         Adjust stack pointer by pushing extra registers.
648         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
649
650 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
651
652         PR tree-opt/35422
653         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
654         conversion to the operands of a multiplication.
655
656 2008-03-12  Richard Guenther  <rguenther@suse.de>
657
658         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
659         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
660         * timevar.def (TV_TREE_PHIPROP): Add.
661         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
662         pass description.  Use TV_TREE_PHIPROP.
663         * tree-ssa-forwprop.c: Remove phiprop code.
664
665 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
666
667         PR middle-end/35549
668         * omp-low.c (maybe_lookup_decl): Constify first argument.
669         (use_pointer_for_field): Change last argument from bool to
670         omp_context *.  Disallow shared copy-in/out in nested
671         parallel if decl is shared in outer parallel too.
672         (build_outer_var_ref, scan_sharing_clauses,
673         lower_rec_input_clauses, lower_copyprivate_clauses,
674         lower_send_clauses, lower_send_shared_vars): Adjust callers.
675
676 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
677             Ira Rosen  <irar@il.ibm.com>
678
679         * tree-vectorizer.c (free_stmt_vec_info): New function.
680         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
681         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
682         * tree-vectorizer.h (free_stmt_vec_info): Declare.
683         * tree-vect-transform.c (vectorizable_conversion): Free
684         vec_oprnds0 if it was allocated.
685         (vect_permute_store_chain): Remove unused VECs.
686         (vectorizable_store): Free VECs that are allocated in the..
687         function.
688         (vect_transform_strided_load, vectorizable_load): Likewise.
689         (vect_remove_stores): Simplify the code.
690         (vect_transform_loop): Move code to vect_remove_stores().
691         Call vect_remove_stores() and free_stmt_vec_info().
692
693 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
694
695         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
696         TARGET_HPUX.  Revise comment.
697         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
698         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
699         Use sr4 variant of `be' instruction when not generating PIC code.
700         (attr_length_call): Adjust for above change.
701
702 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
703
704         * ipa-reference.c (static_execute): Remove module_statics_const and
705         associated setting code.
706
707 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
708
709         PR target/35540
710         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
711         predicate for operand 1.
712         (paritysi2_cmp): Use register_operand predicate for operand 2.
713         Use earlyclobber modifier for operand 1.  Remove support for
714         memory operands.
715         (paritydi2_cmp): Use register_operand predicate for operand 3.
716         Use earlyclobber modifier for operand 1.  Remove support for
717         memory operands.
718
719 2008-03-11  Paul Brook  <paul@codesourcery.com>
720             Vladimir Prus  <vladimir@codesourcery.com>
721
722         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
723         (arm_compute_save_reg0_reg12_mask): Always
724         check if register 11 must be saved.  Always safe hard frame pointer
725         when frame_pointer_needeed.
726         (arm_compute_save_reg_mask): Save IP and PC
727         only with apcs frames.
728         (arm_output_epilogue): Adjust Thumb2 codepath to
729         be also invoked and work for ARM non-apcs frames.
730         (arm_expand_prologue): Don't bother saving IP
731         for non-apcs frame, since it's not clobbered by
732         prologue code.  Implement non-apcs frame
733         layout.
734
735 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
736
737         PR rtl-optimization/35281
738         * expr.c (convert_move): Use a new pseudo for the intermediate
739         from_mode->word_mode result.
740
741 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
742
743         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
744         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
745         * toplev.c (compile_file): Don't call it.
746
747 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
748
749         PR middle-end/35526
750         * expr.c (store_expr): Call emit_block_move if the mode
751         of "temp" RTX is BLKmode.
752
753 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
754             Richard Guenther  <rguenther@suse.de>
755
756         PR tree-optimization/31358
757         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
758         the step with a NULL_TREE.
759         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
760         to sizetype if type is a pointer type.
761         (add_candidate_1): Don't convert the base and step to
762         the generic type if the orginal type is a pointer type.
763         (add_iv_value_candidates): Use sizetype for the step
764         if type is a pointer type.
765         (cand_value_at): Likewise.
766         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
767         for pointer types.
768         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
769         Don't convert the tem affine to the type.
770         (add_elt_to_tree): Use sizetype for the step if a pointer.
771         Use POINTER_PLUS_EXPR for pointers.
772         (aff_combination_to_tree): Use sizetype for the step if a
773         pointer.
774
775 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
776
777         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
778         Remove commutativity hint.
779
780 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
781
782         PR c/35438
783         PR c/35439
784         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
785         errorneous type.  Check that v is a VAR_DECL.
786
787         PR middle-end/35099
788         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
789
790 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
791
792         PR tree-optimization/35494
793         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
794         may be overriden at link and run time.
795
796 2008-03-10  Richard Guenther  <rguenther@suse.de>
797
798         PR tree-optimization/34677
799         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
800         (poolify_tree): Likewise.
801         (modify_expr_template): Likewise.
802         (poolify_modify_stmt): Likewise.
803         (insert_fake_stores): Handle all component-ref style stores
804         in addition to INDIRECT_REF.  Also handle complex types.
805         Do not poolify the inserted load.
806         (realify_fake_stores): Do not rebuild the tree but only
807         make it a SSA_NAME copy.
808         (init_pre): Remove initialzation of modify_expr_template.
809         Do not allocate modify_expr_node_pool.
810         (fini_pre): Do not free modify_expr_node_pool.
811
812 2008-03-10  Paul Brook  <paul@codesourcery.com>
813
814         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
815         to avoid conflicts.
816
817 2008-03-10  Paul Brook  <paul@codesourcery.com>
818             Mark Shinwell  <shinwell@codesourcery.com>
819
820         * config/arm/cortex-r4.md: New.
821         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
822         insn attributes.
823         * config/arm/arm.md: Include cortex-r4.md.
824         (insn): Add smmls, sdiv and udiv values.
825         (generic_sched): Don't use generic scheduling for Cortex-R4.
826         (arm_issue_rate): New function.
827         (TARGET_SCHED_ISSUE_RATE): Define.
828
829 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
830
831         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
832
833 2008-03-10  Richard Guenther  <rguenther@suse.de>
834
835         * tree-ssa-pre.c (get_sccvn_value): Simplify.
836         (compute_avail): Do not add stmt uses to AVAIL_OUT.
837
838 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
839
840         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
841         Set default to true.
842
843 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
844
845         * c.opt (Wsynth): Deprecate.
846         * doc/invoke.texi (Option Summary, Warning Options): Document
847         -Wno-format-contains-nul.
848
849 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
850
851         PR target/35496
852         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
853         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
854
855 2008-03-09  Ira Rosen  <irar@il.ibm.com>
856
857         * config/rs6000/rs6000.c (builtin_description): Rename vector
858         left shift operations.
859         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
860         (altivec_vsl<VI_char>): Rename to ...
861         (ashl<mode>3): ... new name.
862         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
863         gen_ashlv4si3.
864         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
865
866 2008-03-08  Richard Guenther  <rguenther@suse.de>
867
868         * coverage.h (tree_coverage_counter_addr): Declare.
869         * coverage.c (tree_coverage_counter_addr): New function.
870         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
871         before using again.
872         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
873         (tree_gen_one_value_profiler): Likewise.
874         (tree_gen_ic_profiler): Likewise.
875         (tree_gen_average_profiler): Likewise.
876         (tree_gen_ior_profiler): Likewise.
877
878 2008-03-08  Richard Guenther  <rguenther@suse.de>
879
880         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
881         (vn_binary_op_insert): Likewise.
882         (vn_unary_op_lookup): Likewise.
883         (vn_unary_op_insert): Likewise.
884         (vn_nary_op_lookup): Declare.
885         (vn_nary_op_insert): Likewise.
886         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
887         and binary hashes, use a single obstack for unary_op_pool
888         and binary_op_pool.
889         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
890         a single struct vn_nary_op_s.  Store tree code length and
891         a variable number of operands.
892         (struct vn_reference_op_struct): Remove unused op2.
893         (vn_reference_op_eq): Do not compare op2.
894         (vn_reference_op_compute_hash): Do not compute hash of op2.
895         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
896         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
897         with vn_nary_op_compute_hash.
898         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
899         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
900         vn_nary_op_lookup.
901         (vn_unary_op_insert, vn_binary_op_insert): Replace with
902         vn_nary_op_insert.
903         (visit_unary_op): Call nary functions.
904         (visit_binary_op): Likewise.
905         (process_scc): Adjust for struct vn_tables_s changes.
906         (allocate_vn_table): Likewise.
907         (free_vn_table): Likewise.
908         * tree-vn.c (vn_add): Call nary functions.
909         (vn_lookup): Likewise.
910
911 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
912
913         PR target/35498
914         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
915         wdst back after sync_compare_and_swapqhi_internal.
916
917 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
918
919         PR target/22152
920         * config/i386/i386-modes.def (V1DI): New vector mode.
921         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
922         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
923         (MMXMODE248): Ditto.
924         (MMXMODE): Add V1DI mode.
925         (mmxvecsize): Change DI mode to V1DI mode.
926         ("mov<mode>): Use MMXMODEI8 mode iterator.
927         ("*mov<mode>_internal_rex64"): Ditto.
928         ("*mov<mode>_internal"): Ditto.
929         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
930         ("mmx_sub<mode>3"): Ditto.
931         ("mmx_adddi3"): Remove insn pattern.
932         ("mmx_subdi3"): Ditto.
933         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
934         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
935         ("mmx_ashl<mode>3"): Ditto.
936         ("mmx_lshrdi3"): Remove insn pattern.
937         ("mmx_ashldi3"): Ditto.
938         * config/i386/i386.c (classify_argument): Handle V1DImode.
939         (function_arg_advance_32): Ditto.
940         (function_arg_32): Ditto.
941         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
942         mmx_addv1di3 insn pattern.
943         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
944         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
945         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
946         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
947         Remove definitions of built-in functions.
948         (V1DI_type_node): New node.
949         (v1di_ftype_v1di_int): Ditto.
950         (v1di_ftype_v1di_v1di): Ditto.
951         (v2si_ftype_v2si_si): Ditto.
952         (v4hi_ftype_v4hi_di): Remove node.
953         (v2si_ftype_v2si_di): Ditto.
954         (ix86_init_mmx_sse_builtins): Handle V1DImode.
955         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
956         Redefine builtins using def_builtin_const with *_ftype_*_int node.
957         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
958         Add new builtins using def_builtin_const.
959         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
960         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
961         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
962         * config/i386/mmintrin.h (__v1di): New typedef.
963         (_mm_add_si64): Cast arguments to __v1di type.
964         (_mm_sub_si64): Ditto.
965         (_mm_sll_pi16): Cast __count to __v4hi type.
966         (_mm_sll_pi32): Cast __count to __v2si type.
967         (_mm_sll_si64): Cast arguments to __v1di type.
968         (_mm_srl_pi16): Cast __count to __v4hi type.
969         (_mm_srl_pi32): Cast __count to __v2si type.
970         (_mm_srl_si64): Cast arguments to __v1di type.
971         (_mm_sra_pi16): Cast __count to __v4hi type.
972         (_mm_sra_pi32): Cast __count to __v2si type.
973         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
974         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
975         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
976         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
977         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
978         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
979         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
980         (_mm_srai_pi32): Use __builtin_ia32_psradi.
981         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
982         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
983         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
984         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
985
986 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
987
988         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
989
990 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
991
992         PR target/35373
993         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
994         reg+const addressing for Altivec modes.  Don't generate reg+reg
995         addressing for TFmode or TDmode quantities.
996
997 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
998
999         * c-common.c (vector_types_convertible_p): Call langhook
1000         instead of comptypes.
1001
1002 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1003
1004         PR tree-opt/35402
1005         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
1006         integral and scalar float variables which have a
1007         NULL DECL_INITIAL.
1008
1009 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
1010
1011         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
1012         dwarf_register_span hook when emitting unwind information for
1013         register-to-memory saves.
1014         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
1015         (rs6000_frame_related): Remove call to spe_synthesize_frame.
1016
1017 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
1018
1019         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
1020         for the same VAR_DECL.
1021
1022 2008-03-06  Tom Tromey  <tromey@redhat.com>
1023
1024         * treelang: Delete.
1025         * doc/standards.texi (Standards): Don't mention treelang.
1026         * doc/invoke.texi (Overall Options): Don't mention treelang.
1027         * doc/install.texi (Prerequisites): Don't mention bison or
1028         treelang.
1029         (Configuration): Don't mention treelang.
1030         (Building): Likewise.
1031         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
1032
1033 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
1034
1035         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
1036         word-extractions out of a multi-word object.
1037
1038 2008-03-06  Richard Guenther  <rguenther@suse.de>
1039
1040         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
1041         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
1042         result type and precision.
1043         * expr.c (get_inner_reference): Set unsignedp based on the result
1044         type of BIT_FIELD_REF.
1045         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
1046         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
1047         (try_instantiate_multiple_fields): Likewise.  Use the correct type
1048         for BIT_FIELD_REF.
1049         (sra_build_assignment): Likewise.
1050         (sra_build_elt_assignment): Likewise.
1051         (sra_explode_bitfield_assignment): Likewise.
1052         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
1053         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
1054         set BIT_FIELD_REF_UNSIGNED.
1055         (vectorizable_load): Likewise.
1056
1057 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
1058
1059         * cse.c (cse_extended_basic_block): Invalidate artificial defs
1060         at bb start.
1061
1062 2008-03-06  Richard Guenther  <rguenther@suse.de>
1063
1064         * alias.c (struct alias_set_entry): Move has_zero_child field
1065         to pack with alias_set.
1066
1067 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1068
1069         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1070         32bit host.
1071
1072 2008-03-05  Ian Lance Taylor  <iant@google.com>
1073
1074         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
1075
1076 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
1077
1078         * fwprop.c (update_df): Support width and offset parameters of
1079         df_ref_create.
1080         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
1081         global_conflicts): Change DF_REF_EXTRACT to either
1082         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1083         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1084         * df-scan.c (df_ref_record, df_defs_record,
1085         df_ref_create_structure, df_def_record_1, df_uses_record,
1086         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
1087         df_bb_refs_collect, df_entry_block_defs_collect,
1088         df_exit_block_uses_collect): Support new width and offset fields.
1089         (ref_extract_pool): New storage pool.
1090         (df_free_ref): New function.
1091         (df_reg_chain_unlink, df_free_collection_rec,
1092         df_sort_and_compress_refs): Call df_free_ref.
1093         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
1094         of df_ref_extract.
1095         (df_ref_create_structure): Allocate df_ref_extract if offset and
1096         width fields are used.
1097         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
1098         (df_uses_record): Get offset and width from ZERO_EXTRACT 
1099         and SIGN_EXTRACT.
1100         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
1101         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1102         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1103         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
1104         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1105         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1106         (df_ref_extract): New structure.
1107         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
1108         (df_ref_create): Add width and offset parameters.
1109         
1110 2008-03-05  Richard Guenther  <rguenther@suse.de>
1111
1112         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1113         Use ranges_overlap_p.
1114         (offset_overlaps_with_access): Rename
1115         to ranges_overlap_p and move ...
1116         * tree-flow-inline.h (ranges_overlap_p): ... here.
1117
1118         * tree.h (get_inner_reference, handled_component_p): Update
1119         comments.
1120
1121         * tree.h (record_component_aliases, get_alias_set,
1122         alias_sets_conflict_p, alias_sets_must_conflict_p,
1123         objects_must_conflict_p): Move declarations ...
1124         * alias.h (record_component_aliases, get_alias_set,
1125         alias_sets_conflict_p, alias_sets_must_conflict_p,
1126         objects_must_conflict_p): ... here.
1127         Include coretypes.h.
1128         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
1129
1130 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
1131
1132         * cfg.c: Include tree-flow.h.
1133         (remove_edge_raw): Call redirect_edge_var_map_clear.
1134         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
1135         * tree-flow-inline.h (redirect_edge_var_map_def): New.
1136         (redirect_edge_var_map_result): New.
1137         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
1138         PENDING_STMT use with redirect_edge_var_map_*.
1139         * tree-ssa.c (edge_var_maps): New definition.
1140         (redirect_edge_var_map_add): New.
1141         (redirect_edge_var_map_clear): New.
1142         (redirect_edge_var_map_dup): New.
1143         (redirect_edge_var_map_vector): New.
1144         (redirect_edge_var_map_destroy): New.
1145         (ssa_redirect_edge): Replace PENDING_STMT use with
1146         redirect_edge_var_map_*.
1147         (flush_pending_stmts): Same.
1148         (delete_tree_ssa): Destroy edge var map.
1149         * tree-flow.h (struct _edge_var_map): New.
1150         Define edge_var_map vector type.
1151         Declare redirect_edge_var_map_* prototypes.
1152         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
1153         * tree-cfg.c (reinstall_phi_args): Replace
1154         PENDING_STMT use with redirect_edge_var_map_*.
1155
1156 2008-03-05  Richard Guenther  <rguenther@suse.de>
1157
1158         PR tree-optimization/35472
1159         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
1160         whose single use_stmt has a overlapping set of loaded and
1161         stored symbols as that use_stmt might be a noop assignment then.
1162
1163 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
1164
1165         * gthr-rtems.h: Implement __gthread_mutex_destroy.
1166
1167 2008-03-05  Richard Guenther  <rguenther@suse.de>
1168
1169         PR c++/35336
1170         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
1171         should be constants.
1172         * tree-cfg.c (verify_expr): Verify it.
1173         * fold-const.c (fold_truthop): Remove code generating
1174         BIT_FIELD_REFs of structure bases.
1175         (fold_binary): Likewise.
1176         (fold_ternary): Position and size of BIT_FIELD_REFs are
1177         always host integers.
1178         (make_bit_field_ref): Remove.
1179         (optimize_bit_field_compare): Remove.
1180         (all_ones_mask_p): Remove.
1181
1182 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
1183
1184         PR gcc/33009
1185         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
1186         (split_block_and_df_analyze): New. Split basic block and rebuild
1187         dataflow.
1188         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
1189         SPLIT_BLOCK.
1190         (split_pattern_seq): Likewise.
1191         (erase_matching_seqs): Likewise.
1192         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
1193
1194 2008-03-04  Geoff Keating  <geoffk@apple.com>
1195
1196         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
1197         declaration and code.
1198         (tree_invalid_nonnegative_warnv_p): Likewise.
1199
1200 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
1201
1202         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
1203         examples.  Truncate option-names then causing overfull hbox.
1204
1205 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1206
1207         PR target/35222
1208         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
1209         on hpux10.
1210         * configure: Rebuilt.
1211
1212 2008-03-04  Rafael Espindola  <espindola@google.com>
1213
1214         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
1215         (tree_unary_nonnegative_warnv_p): New.
1216         (tree_binary_nonnegative_warnv_p): New.
1217         (tree_single_nonnegative_warnv_p): New.
1218         (tree_invalid_nonnegative_warnv_p): New.
1219         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
1220
1221 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1222
1223         PR 28322
1224         * opts.c (handle_option): Postpone 'unknown option' errors only for
1225         warning options.
1226
1227 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
1228
1229         PR target/35453
1230         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
1231         (_SIDD_XXX): This.
1232
1233 2008-03-04  Rafael Espindola  <espindola@google.com>
1234
1235         * fold-const.c (tree_unary_nonzero_warnv_p): New.
1236         (tree_binary_nonzero_warnv_p): New.
1237         (tree_single_nonzero_warnv_p): New.
1238         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
1239
1240 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
1241
1242         PR middle-end/35456
1243         * fold-const.c (fold_cond_expr_with_comparison): Prevent
1244         transformations for modes that have signed zeros.
1245         * ifcvt.c (noce_try_abs): Ditto.
1246
1247 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
1248
1249         * config/i386/i386.c (override_options): Force
1250         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
1251
1252 2008-03-04  Jan Hubicka  <jh@suse.cz>
1253
1254         PR c++/35262
1255         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
1256         in last commit.
1257
1258 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
1259
1260         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
1261         label to probe the stack.
1262
1263 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
1264
1265         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
1266         (__gthr_win32_mutex_destroy): Declare.
1267         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
1268         __gthr_win32_mutex_destroy.
1269         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
1270
1271 2008-03-03  Jan Hubicka  <jh@suse.cz>
1272
1273         PR c++/35262
1274         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
1275         aggressive on inlining cold calls.
1276
1277 2008-03-03  Richard Guenther  <rguenther@suse.de>
1278
1279         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
1280         struct copies into the expression table.
1281         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
1282         (try_to_simplify): Likewise.
1283         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
1284         integral and pointer arguments which do not change the
1285         precision to NOP_EXPRs.
1286         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
1287         VIEW_CONVERT_EXPR case.
1288
1289 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1290
1291         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
1292         defined in a loop at depth 0 is invariant.
1293         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
1294         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
1295         be called at loop depth 0.
1296
1297 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
1298
1299         PR driver/35420
1300         * gcc.c (process_command): Update copyright notice dates.
1301         * gcov.c (print_version): Likewise.
1302         * gcov-dump.c (print_version): Likewise.
1303         * mips-tfile.c (main): Likewise.
1304         * mips-tdump.c (main): Likewise.
1305
1306 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1307
1308         PR 24924
1309         * c-common.c (flag_permissive): Delete.
1310         (constant_expression_warnings): Check flags first.
1311         (constant_expression_error): New.
1312         * c-common.h (flag_permissive): Delete.
1313         (constant_expression_error): Declare.
1314         * flags.h (flag_permissive): Declare. Update description.
1315         * diagnostic.c (pedwarn): Update.
1316         (permerror): New.
1317         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
1318         (permissive_error_kind): New.
1319         * toplev.c (flag_permissive): Define. Update description.
1320         * toplev.h (permissive_error_kind): Declare.
1321         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
1322         (pedwarn_c90): Use pedantic_warning_kind.
1323         * c-opts.c (c_common_post_options): flag_permissive does not affect
1324         flag_pedantic_errors.
1325
1326 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
1327
1328         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
1329         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
1330         __absvsi2, __absvDI2): Use unsigned arithmetic.
1331
1332 2008-03-02  Andi Kleen  <ak@suse.de>
1333             Richard Guenther  <rguenther@suse.de>
1334
1335         * struct-equiv.c: Remove file.
1336         * cfg_cleanup.c (condjump_equiv_p): Remove.
1337         * Makefile.in (OBJS-common): Remove struct-equiv.o.
1338         (struct-equiv.o): Remove rule.
1339         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
1340         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
1341         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
1342
1343 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1344
1345         * ifcvt.c (noce_process_if_block): Try to handle only the then
1346         block if the else block exists but isn't suitable.
1347
1348 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
1349
1350         PR gcc/35063
1351         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
1352         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
1353         regression from previous patch.
1354
1355 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
1356
1357         PR gcc/35063
1358         * gthr.h: Add __gthread_mutex_destroy as a function that must be
1359         implemented.
1360         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
1361         * gthr-single.h (__gthread_mutex_destroy): Likewise.
1362         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
1363         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
1364         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
1365         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
1366         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
1367         (__gthread_mutex_destroy_function): Rename to
1368         __gthread_mutex_destroy.
1369         * gthr-dce.h (__gthread_mutex_destroy): Call
1370         pthread_mutex_destroy.
1371         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
1372         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
1373         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
1374
1375 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1376
1377         * df-scan.c (df_ref_chain_change_bb): Simplify.
1378         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
1379         set_block_for_insn if there's any change.
1380         * df.h ((df_insn_change_bb): Fix prototype.
1381         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
1382         df_insn_change_bb, don't call set_block_for_insn.
1383         * emit-rtl.c (reorder_insns): Likewise.
1384         * haifa-sched.c (move_insn): Likewise.
1385
1386 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1387
1388         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
1389
1390 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1391
1392         * tree-flow-inline.h (next_readonly_imm_use): Return
1393         NULL_USE_OPERAND_P after the end.
1394
1395 2008-03-01  Richard Guenther  <rguenther@suse.de>
1396
1397         PR tree-optimization/35411
1398         * tree-sra.c (sra_build_assignment): Split conversion to
1399         final type to a separate statement if we are not assigning
1400         to a register.
1401
1402 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1403
1404         * fold-const.c (fold_convertible_p): Correct the logic to follow
1405         that in fold_convert().
1406
1407 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
1408
1409         PR c++/35315
1410         * tree-inline.c (build_duplicate_type): When we make a
1411         duplicate type, make it unique in the canonical types system.
1412
1413 2008-02-29  Tom Tromey  <tromey@redhat.com>
1414
1415         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
1416         input_file_stack_history, input_file_stack_restored): Remove.
1417         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1418         * input.h (struct file_stack): Remove.
1419         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1420         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
1421         Likewise.
1422         * diagnostic.h (struct diagnostic_context) <last_module>: Change
1423         type.
1424         (diagnostic_last_module_changed): Add 'map' argument.
1425         (diagnostic_set_last_function): Likewise.
1426         * diagnostic.c (undiagnostic_report_current_module): Iterate using
1427         line map, not input_file_stack.
1428         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
1429
1430 2008-02-29  Paul Brook  <paul@codesourcery.com>
1431
1432         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
1433
1434 2008-02-29  Paul Brook  <paul@codesourcery.com>
1435
1436         * config/arm/ieee754-df.S (muldf3): Use RET macros.
1437
1438 2008-02-29  Richard Guenther  <rguenther@suse.de>
1439
1440         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
1441         vn_lookup_or_add.
1442         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
1443         value for comparing for a store match.
1444         (simplify_unary_expression): Do nothing for SSA_NAMEs.
1445         (try_to_simplify): Do not do a full-blown reference lookup.
1446
1447 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
1448
1449         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
1450         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1451
1452         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
1453
1454 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
1455
1456         * tree-loop-linear.c (try_interchange_loops): Compare memory access
1457         strides against cache sizes.
1458
1459 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
1460
1461         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
1462         constant to fpul.
1463
1464 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
1465
1466         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
1467         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
1468         is smaller than the original promoted value.
1469         (simplify_subreg): If OP is a SUBREG, try to preserve its
1470         SUBREG_PROMOTED_VAR_P information.
1471
1472 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
1473
1474         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
1475         (VN_INFO_GET): Allocate new objects on the obstack.
1476         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
1477         for rpo_numbers_temp, for consistency.
1478         (free_scc_vn): Free the obstack.
1479
1480 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
1481
1482         * doc/invoke.texi: Document -ftree-loop-distribution.
1483         * tree-loop-distribution.c: New.
1484         * tree-pass.h (pass_loop_distribution): New.
1485         * graphds.h (struct graph): Add htab_t indices.
1486         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
1487         * tree-vectorizer.c (rename_variables_in_loop): Extern.
1488         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
1489         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
1490         * tree-data-ref.c (debug_data_dependence_relations): New.
1491         (dump_data_dependence_relation): Also print data references.
1492         (free_data_ref): Extern.
1493         (same_access_functions): Moved...
1494         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
1495         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1496         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
1497         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
1498         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
1499         (stmts_from_loop): Skip LABEL_EXPR.
1500         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
1501         New.
1502         (build_rdg): Initialize rdg->indices htab.
1503         (free_rdg, stores_from_loop, ref_base_address,
1504         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
1505         have_similar_memory_accesses_1, ref_base_address_1,
1506         remove_similar_memory_refs): New.
1507         * tree-data-ref.h: Depend on tree-chrec.h.
1508         (debug_data_dependence_relations, free_data_ref): Declared.
1509         (same_access_functions): ... here.
1510         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
1511         New.
1512         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
1513         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
1514         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
1515         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1516         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
1517         rdg_vertex_for_stmt): Declared.
1518         (struct rdg_edge): Add level.
1519         (RDGE_LEVEL): New.
1520         (free_rdg, stores_from_loop, remove_similar_memory_refs,
1521         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
1522         Declared.
1523         (rdg_has_similar_memory_accesses): New.
1524         * tree-vect-analyze.c: Remove unused static decls.
1525         * lambda.h (dependence_level): New.
1526         * common.opt (ftree-loop-distribution): New.
1527         * tree-flow.h (mark_virtual_ops_in_bb, 
1528         slpeel_tree_duplicate_loop_to_edge_cfg,
1529         rename_variables_in_loop): Declared.
1530         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
1531         (OBJS-common): Add tree-loop-distribution.o.
1532         (tree-loop-distribution.o): New rule.
1533         * tree-cfg.c (mark_virtual_ops_in_bb): New.
1534         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
1535         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
1536
1537 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
1538
1539         PR target/33963
1540         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
1541         other than structures and unions.
1542
1543 2008-02-28  Richard Guenther  <rguenther@suse.de>
1544
1545         Revert:
1546         2008-02-26  Richard Guenther  <rguenther@suse.de>
1547
1548         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1549         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1550         (lookup_decl_from_uid): Declare.
1551         (remove_decl_from_map): Likewise.
1552         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1553         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1554         (decl_for_uid_map): New global hashtable mapping DECL_UID
1555         to the decl tree.
1556         (init_ttree): Allocate it.
1557         (insert_decl_to_uid_decl_map): New helper function.
1558         (make_node_stat): Insert new decls into the map.
1559         (copy_node_stat): Likewise.
1560         (lookup_decl_from_uid): New function.
1561         (remove_decl_from_map): Likewise.
1562         (print_decl_for_uid_map_statistics): New helper.
1563         (dump_tree_statistics): Call it.
1564
1565         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1566         (referenced_var_iterator): Adjust.
1567         (FOR_EACH_REFERENCED_VAR): Adjust.
1568         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1569         (num_referenced_vars): Adjust.
1570         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1571         (first_referenced_var): Remove.
1572         (end_referenced_vars_p): Likewise.
1573         (next_referenced_var): Likewise.
1574         (referenced_var_iterator_set): New helper function.
1575         * tree-dfa.c (referenced_var_lookup): Adjust.
1576         (referenced_var_check_and_insert): Likewise.
1577         (remove_referenced_var): Likewise.
1578         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1579         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1580         (verify_call_clobbering): Likewise.
1581         (verify_memory_partitions): Likewise.
1582         (init_tree_ssa): Allocate bitmap instead of hashtable for
1583         referenced_vars.
1584         (delete_tree_ssa): Adjust.
1585         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1586         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1587         (compute_tag_properties): Likewise.
1588         (set_initial_properties): Likewise.
1589         (find_partition_for): Likewise.
1590         (update_reference_counts): Likewise.
1591         (dump_may_aliases_for): Likewise.
1592         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1593         (add_call_clobber_ops): Likewise.
1594         (add_call_read_ops): Likewise.
1595         (get_asm_expr_operands): Likewise.
1596         * tree-into-ssa.c (dump_decl_set): Likewise.
1597         (update_ssa): Likewise.
1598         * tree-sra.c (scan_function): Likewise.
1599         (decide_instantiations): Likewise.
1600         (scalarize_parms): Likewise.
1601         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1602         (dsa_named_for): Likewise.
1603         * tree-ssa-structalias.c (update_alias_info): Likewise.
1604         (merge_smts_into): Likewise.
1605
1606 2008-02-27  David Daney  <ddaney@avtrex.com>
1607
1608         PR target/34409
1609         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
1610         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
1611         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
1612         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
1613         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
1614
1615 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
1616
1617         PR target/25477
1618         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
1619         (BUILT_IN_NEXTTOWARD): Remove.
1620         (BUILT_IN_NEXTTOWARDF): Ditto.
1621         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
1622         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
1623
1624 2008-02-27  Tom Tromey  <tromey@redhat.com>
1625
1626         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
1627         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
1628
1629 2008-02-27  Jan Beulich  <jbeulich@novell.com>
1630
1631         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
1632         update the respective field on newdecl.
1633
1634 2008-02-27  Revital Eres  <eres@il.ibm.com>
1635
1636         PR rtl-optimization/34999
1637         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
1638         crossing edges that ends with a call insn.
1639         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
1640         call insn and clear the EDGE_CROSSING flag of the crossing edge
1641         when fixing fallthru edges.
1642
1643 2008-02-27  Richard Guenther  <rguenther@suse.de>
1644
1645         PR middle-end/35390
1646         * fold-const.c (fold_unary): Return the correct argument,
1647         converted to the result type.
1648
1649 2008-02-27  Richard Guenther  <rguenther@suse.de>
1650
1651         PR middle-end/34971
1652         * expr.c (expand_expr_real_1): Assert on rotates that operate
1653         on partial modes.
1654         * fold-const.c (fold_binary): Use the types precision, not the
1655         bitsize of the mode if folding rotate expressions.  Build rotates
1656         only for full modes.
1657
1658 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
1659
1660         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
1661         and CPP_PRAGMA_EOL.
1662         * c-pragma.c (pragma_ns_name): New typedef.
1663         (registered_pp_pragmas): New variable.
1664         (c_pp_lookup_pragma): New function.
1665         (c_register_pragma_1): If flag_preprocess_only, do nothing
1666         for non-expanded pragmas, for expanded ones push pragma's
1667         namespace and name into registered_pp_pragmas vector.
1668         (c_invoke_pragma_handler): Register OpenMP pragmas even when
1669         flag_preprocess_only, don't register GCC pch_preprocess
1670         pragma if flag_preprocess_only.
1671         * c-opts.c (c_common_init): Call init_pragma even if
1672         flag_preprocess_only.
1673         * c-pragma.c (c_pp_lookup_pragma): New prototype.
1674         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
1675         cpp_register_pragma if flag_preprocess_only.
1676
1677 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1678
1679         PR c/28800
1680         * c-parser.c (c_parser_translation_unit): Warn for empty
1681         translation unit, not empty source file.
1682
1683 2008-02-26  Paul Brook  <paul@codesourcery.com>
1684
1685         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
1686         operand for Thumb-2.
1687         * config/arm/arm.h (reg_class): Add CORE_REGS.
1688         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
1689         (BASE_REG_CLASS): Use CORE_REGS.
1690         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
1691         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
1692         (REGNO_OK_FOR_INDEX_P): Exclude SP.
1693         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
1694         ARM_REGNO_OK_FOR_INDEX_P.
1695         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
1696         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
1697         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
1698         (ldm/stm peepholes): Ditto.
1699         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
1700         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
1701         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
1702         * config/arm/constraints.md: Enable "k" constraint on ARM.
1703
1704 2008-02-27  Ben Elliston  <bje@au.ibm.com>
1705
1706         * config/rs6000/rs6000.c: Annotate cache line size field in all
1707         instances of struct processor_costs.
1708
1709 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
1710
1711         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
1712         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
1713         jump_bypass): New counters.
1714         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
1715         * dce.c (gate_ud_dce): Same.
1716         (gate_fast_dce): Same.
1717         * dse.c (gate_dse1): New function.
1718         (gate_dse2): New function.
1719         (gate_dse): Merge results of new gate functions.
1720         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
1721         (gate_handle_jump_bypass): Add dbg_cnt.
1722         (gate_handle_gcse): Add dbg_cnt.
1723         * ifcvt.c (gate_handle_if_conversion): Same.
1724         (gate_handle_if_after_combine): Same.
1725         (gate_handle_if_after_reload): Same.
1726         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
1727
1728 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
1729
1730         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
1731         line sizes.
1732         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
1733
1734 2008-02-26  Jason Merrill  <jason@redhat.com>
1735
1736         PR c++/35315
1737         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
1738         alone if it's the naming decl for the type's main variant.
1739
1740 2008-02-26  Tom Tromey  <tromey@redhat.com>
1741
1742         * system.h (USE_MAPPED_LOCATION): Poison.
1743         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
1744         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
1745         (make_goto_expr_edges): Likewise.
1746         (remove_bb): Likewise.
1747         (execute_warn_function_return): Likewise.
1748         * basic-block.h (struct edge_def) <goto_locus>: Change type to
1749         location_t.
1750         * c-common.c (fname_decl): Remove old location code.
1751         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
1752         location code.
1753         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
1754         variant.
1755         (ASM_INPUT_SOURCE_LOCATION): Likewise.
1756         (gen_rtx_ASM_INPUT): Likewise.
1757         (gen_rtx_ASM_INPUT_loc): Likewise.
1758         (get_rtx_asm_OPERANDS): Remove.
1759         * cfglayout.c (insn_locators_alloc): Remove old location code.
1760         (set_curr_insn_source_location): Likewise.
1761         (curr_insn_locator): Likewise.
1762         * print-tree.c (print_node): Remove old location code.
1763         * tree-mudflap.c (mf_varname_tree): Remove old location code.
1764         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
1765         * cfgexpand.c (expand_gimple_cond_expr): Don't use
1766         location_from_locus.
1767         (construct_exit_block): Remove old location code.
1768         * emit-rtl.c (force_next_line_note): Remove old location code.
1769         * profile.c (branch_prob): Remove old location code.
1770         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
1771         LOC_LINE): Remove old-location variants.
1772         * langhooks.c (lhd_print_error_function): Remove old location
1773         code.
1774         * configure, config.in: Rebuilt.
1775         * configure.ac (--enable-mapped-location): Remove.
1776         * c-decl.c (c_init_decl_processing): Remove old location code.
1777         (finish_function): Likewise.
1778         * recog.c (decode_asm_operands): Remove old location code.
1779         * c-pch.c (c_common_read_pch): Remove old location code.
1780         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
1781         variants.
1782         * gimple-low.c (lower_function_body): Remove old location code.
1783         * toplev.c (unknown_location): Remove.
1784         (push_srcloc): Remove old-location variant.
1785         (process_options): Remove old location code.
1786         (lang_dependent_init): Likewise.
1787         * input.h (UNKNOWN_LOCATION): Move definition.
1788         (location_t): Undeprecate.
1789         (source_locus): Remove.
1790         (location_from_locus): Remove.
1791         (struct location_s): Remove.
1792         Remove all old-location code.
1793         (input_line, input_filename): Remove.
1794         * final.c (final_scan_insn): Remove old location code.
1795         * diagnostic.c (diagnostic_build_prefix): Remove
1796         USE_MAPPED_LOCATION test.
1797         * tree.h (gimple_stmt) <locus>: Now a location_t.
1798         (tree_exp) <locus>: Likewise.
1799         (DECL_IS_BUILTIN): Remove old-location variant.
1800         (annotate_with_file_line, annotate_with_locus): Likewise.
1801         (expr_locus, set_expr_locus): Update.
1802         * tree.c (build1_stat): Remove old location code.
1803         (last_annotated_node): Remove.
1804         (annotate_with_file_line): Remove old-location variant.
1805         (annotate_with_locus): Likewise.
1806         (expr_location): Remove old location code.
1807         (set_expr_location): Likewise.
1808         (expr_has_location): Likewise.
1809         (expr_locus): Likewise.
1810         (set_expr_locus): Likewise.
1811         (expr_filename): Don't use location_from_locus.
1812         (expr_lineno): Likewise.
1813         * rtl-error.c (location_for_asm): Remove old location code.
1814         * c-lex.c (cb_line_change): Remove old location code.
1815         (fe_file_change): Likewise.
1816         (cb_def_pragma): Likewise.
1817         (c_lex_with_flags): Likewise.
1818         * gengtype.c (do_typedef): Don't special-case location types.
1819         (define_location_structures): Remove.
1820         (main): Don't call define_location_structures.
1821         * tree-pretty-print.c (dump_implicit_edges): Remove old location
1822         code.
1823
1824 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1825
1826         PR 26264
1827         * builtins.def (BUILT_IN_STDARG_START): Remove.
1828         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
1829         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
1830         * tree-inline.c (inline_forbidden_p_1): Likewise.
1831         
1832 2008-02-26  Richard Guenther  <rguenther@suse.de>
1833
1834         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1835         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1836         (lookup_decl_from_uid): Declare.
1837         (remove_decl_from_map): Likewise.
1838         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1839         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1840         (decl_for_uid_map): New global hashtable mapping DECL_UID
1841         to the decl tree.
1842         (init_ttree): Allocate it.
1843         (insert_decl_to_uid_decl_map): New helper function.
1844         (make_node_stat): Insert new decls into the map.
1845         (copy_node_stat): Likewise.
1846         (lookup_decl_from_uid): New function.
1847         (remove_decl_from_map): Likewise.
1848         (print_decl_for_uid_map_statistics): New helper.
1849         (dump_tree_statistics): Call it.
1850
1851         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1852         (referenced_var_iterator): Adjust.
1853         (FOR_EACH_REFERENCED_VAR): Adjust.
1854         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1855         (num_referenced_vars): Adjust.
1856         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1857         (first_referenced_var): Remove.
1858         (end_referenced_vars_p): Likewise.
1859         (next_referenced_var): Likewise.
1860         (referenced_var_iterator_set): New helper function.
1861         * tree-dfa.c (referenced_var_lookup): Adjust.
1862         (referenced_var_check_and_insert): Likewise.
1863         (remove_referenced_var): Likewise.
1864         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1865         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1866         (verify_call_clobbering): Likewise.
1867         (verify_memory_partitions): Likewise.
1868         (init_tree_ssa): Allocate bitmap instead of hashtable for
1869         referenced_vars.
1870         (delete_tree_ssa): Adjust.
1871         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1872         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1873         (compute_tag_properties): Likewise.
1874         (set_initial_properties): Likewise.
1875         (find_partition_for): Likewise.
1876         (update_reference_counts): Likewise.
1877         (dump_may_aliases_for): Likewise.
1878         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1879         (add_call_clobber_ops): Likewise.
1880         (add_call_read_ops): Likewise.
1881         (get_asm_expr_operands): Likewise.
1882         * tree-into-ssa.c (dump_decl_set): Likewise.
1883         (update_ssa): Likewise.
1884         * tree-sra.c (scan_function): Likewise.
1885         (decide_instantiations): Likewise.
1886         (scalarize_parms): Likewise.
1887         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1888         (dsa_named_for): Likewise.
1889         * tree-ssa-structalias.c (update_alias_info): Likewise.
1890         (merge_smts_into): Likewise.
1891
1892 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1893
1894         PR 34351
1895         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
1896         * c-opts.c (c_common_handle_option): Wall enables
1897         Wvolatile-register-var.
1898         * common.opt: Move Wvolatile-register-var to...
1899         * c.opt: ...here.
1900         
1901 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1902
1903         * common.opt (Wlarger-than=): New.
1904         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
1905         -Wlarger-than=.
1906         * opts.c (common_handle_option): Handle -Wlarger-than=.
1907         * optc-gen.awk: Likewise.
1908         * opth-gen.awk: Likewise.
1909         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
1910         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1911         
1912 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1913
1914         * c-common.c (match_case_to_enum_1): Add appropriate
1915         OPT_W* parameter to warning.
1916         (c_do_switch_warnings): Likewise.
1917         * c-typeck.c (warning_init): Add one more parameter following
1918         'warning' function.
1919         (push_init_level): Update call to warning_init.
1920         (pop_init_level): Likewise.
1921         (add_pending_init): Likewise.
1922         (output_init_element: Likewise.
1923
1924 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1925
1926         PR 28322
1927         * toplev.c (toplev_main): If there are warnings or error, print
1928         errors for ignored options.
1929         * opts.c (ignored_options): New static variable.
1930         (postpone_unknown_option_error): New.
1931         (print_ignored_options): New.
1932         (handle_option): Postpone errors for unknown -Wno-* options.
1933         * opts.h (print_ignored_options): Declare.
1934         
1935 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1936
1937         * config/mips/mips.md (loadgp_blockage, blockage): Change type
1938         to "ghost".
1939
1940 2008-02-25  Richard Guenther  <rguenther@suse.de>
1941
1942         Revert:
1943         2008-02-25  Richard Guenther  <rguenther@suse.de>
1944
1945         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1946         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1947         (lookup_decl_from_uid): Declare.
1948         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1949         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1950         (decl_for_uid_map): New global hashtable mapping DECL_UID
1951         to the decl tree.
1952         (init_ttree): Allocate it.
1953         (insert_decl_to_uid_decl_map): New helper function.
1954         (make_node_stat): Insert new decls into the map.
1955         (copy_node_stat): Likewise.
1956         (lookup_decl_from_uid): New function.
1957         (print_decl_for_uid_map_statistics): New helper.
1958         (dump_tree_statistics): Call it.
1959
1960         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1961         (referenced_var_iterator): Adjust.
1962         (FOR_EACH_REFERENCED_VAR): Adjust.
1963         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1964         (num_referenced_vars): Adjust.
1965         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1966         (first_referenced_var): Remove.
1967         (end_referenced_vars_p): Likewise.
1968         (next_referenced_var): Likewise.
1969         (referenced_var_iterator_set): New helper function.
1970         * tree-dfa.c (referenced_var_lookup): Adjust.
1971         (referenced_var_check_and_insert): Likewise.
1972         (remove_referenced_var): Likewise.
1973         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1974         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1975         (verify_call_clobbering): Likewise.
1976         (verify_memory_partitions): Likewise.
1977         (init_tree_ssa): Allocate bitmap instead of hashtable for
1978         referenced_vars.
1979         (delete_tree_ssa): Adjust.
1980         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1981         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1982         (compute_tag_properties): Likewise.
1983         (set_initial_properties): Likewise.
1984         (find_partition_for): Likewise.
1985         (update_reference_counts): Likewise.
1986         (dump_may_aliases_for): Likewise.
1987         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1988         (add_call_clobber_ops): Likewise.
1989         (add_call_read_ops): Likewise.
1990         (get_asm_expr_operands): Likewise.
1991         * tree-into-ssa.c (dump_decl_set): Likewise.
1992         (update_ssa): Likewise.
1993         * tree-sra.c (scan_function): Likewise.
1994         (decide_instantiations): Likewise.
1995         (scalarize_parms): Likewise.
1996         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1997         (dsa_named_for): Likewise.
1998         * tree-ssa-structalias.c (update_alias_info): Likewise.
1999         (merge_smts_into): Likewise.
2000
2001 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2002
2003         PR fortran/29549
2004         * doc/invoke.texi (-fcx-limited-range): Document new option.
2005         * toplev.c (process_options): Handle -fcx-fortran-rules.
2006         * common.opt: Add documentation for -fcx-fortran-rules.
2007
2008 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2009
2010         PR c/35162
2011         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
2012         actual behaviour and C99.
2013         
2014 2008-02-26  Ben Elliston  <bje@au.ibm.com>
2015
2016         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
2017         (ASM_CPU_POWER6_SPEC): Likewise.
2018         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
2019         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
2020         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
2021
2022 2008-02-25  Richard Guenther  <rguenther@suse.de>
2023
2024         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2025         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2026         (lookup_decl_from_uid): Declare.
2027         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2028         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2029         (decl_for_uid_map): New global hashtable mapping DECL_UID
2030         to the decl tree.
2031         (init_ttree): Allocate it.
2032         (insert_decl_to_uid_decl_map): New helper function.
2033         (make_node_stat): Insert new decls into the map.
2034         (copy_node_stat): Likewise.
2035         (lookup_decl_from_uid): New function.
2036         (print_decl_for_uid_map_statistics): New helper.
2037         (dump_tree_statistics): Call it.
2038
2039         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2040         (referenced_var_iterator): Adjust.
2041         (FOR_EACH_REFERENCED_VAR): Adjust.
2042         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2043         (num_referenced_vars): Adjust.
2044         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2045         (first_referenced_var): Remove.
2046         (end_referenced_vars_p): Likewise.
2047         (next_referenced_var): Likewise.
2048         (referenced_var_iterator_set): New helper function.
2049         * tree-dfa.c (referenced_var_lookup): Adjust.
2050         (referenced_var_check_and_insert): Likewise.
2051         (remove_referenced_var): Likewise.
2052         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2053         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2054         (verify_call_clobbering): Likewise.
2055         (verify_memory_partitions): Likewise.
2056         (init_tree_ssa): Allocate bitmap instead of hashtable for
2057         referenced_vars.
2058         (delete_tree_ssa): Adjust.
2059         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2060         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2061         (compute_tag_properties): Likewise.
2062         (set_initial_properties): Likewise.
2063         (find_partition_for): Likewise.
2064         (update_reference_counts): Likewise.
2065         (dump_may_aliases_for): Likewise.
2066         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2067         (add_call_clobber_ops): Likewise.
2068         (add_call_read_ops): Likewise.
2069         (get_asm_expr_operands): Likewise.
2070         * tree-into-ssa.c (dump_decl_set): Likewise.
2071         (update_ssa): Likewise.
2072         * tree-sra.c (scan_function): Likewise.
2073         (decide_instantiations): Likewise.
2074         (scalarize_parms): Likewise.
2075         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2076         (dsa_named_for): Likewise.
2077         * tree-ssa-structalias.c (update_alias_info): Likewise.
2078         (merge_smts_into): Likewise.
2079
2080 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
2081
2082         PR target/35258
2083         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
2084         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
2085         * alias.h (nonoverlapping_memrefs_p): Likewise.
2086
2087 2008-02-25  Jan Beulich  <jbeulich@novell.com>
2088
2089         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
2090         * config/i386/netware-libgcc.exp: Add __bswap?i2,
2091         __emultls_get_address, __emultls_register_common,
2092         __floatundi?f, and _Unwind_GetIPInfo.
2093         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
2094         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
2095         (gen_regparm_prefix): Likewise.
2096         (i386_nlm_encode_section_info): Sync with
2097         config/i386/winnt.c:i386_pe_encode_section_info().
2098         (i386_nlm_maybe_mangle_decl_assembler_name): New.
2099         i386_nlm_mangle_decl_assembler_name): New.
2100         (netware_override_options): New.
2101         * config/i386/netware.h (netware_override_options): Declare.
2102         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
2103         (i386_nlm_mangle_decl_assembler_name): Declare.
2104         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
2105
2106 2008-02-25  Ben Elliston  <bje@au.ibm.com>
2107
2108         PR other/32948
2109         * c-decl.c (grokdeclarator): Remove unused local variables
2110         `typedef_type' and `type_as_written'.
2111         * bb-reorder.c
2112         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
2113         unused local variable `has_hot_blocks'.
2114         (fix_crossing_conditional_branches): Remove unused local variable
2115         `prev_bb'.
2116         
2117 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
2118
2119         PR middle-end/19984
2120         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
2121         using DEF_C99_BUILTIN.
2122         (BUILT_IN_NANF): Ditto.
2123         (BUILT_IN_NANL): Ditto.
2124
2125 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
2126             Revital Eres  <eres@il.ibm.com>
2127
2128         * modulo-sched.c (calculate_must_precede_follow): Address TODO
2129         regarding the order of two dependent insns in the same row.
2130
2131 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
2132
2133         * stor-layout.c (layout_decl): Do not bump the alignment of a
2134         bit-field to more than byte alignment if it is packed.
2135
2136 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
2137
2138         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
2139         e300c2 and e300c3.
2140
2141 2008-02-24  Diego Novillo  <dnovillo@google.com>
2142
2143         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
2144
2145         PR 33738
2146         * tree-vrp.c (vrp_evaluate_conditional): With
2147         -Wtype-limits, emit a warning when comparing against a
2148         constant outside the natural range of OP0's type.
2149         * c.opt (Wtype-limits): Move ...
2150         * common.opt (Wtype-limits): ... here.
2151
2152 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
2153
2154         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
2155         * config/rs6000/e300c2c3.md: New file.
2156         * config/rs6000/rs6000.c (processor_costs): Add new costs for
2157         e300c2 and e300c3.
2158         (rs6000_override_options): Add e300c2 and e300c3 cases to
2159         processor_target_table. Do not allow usage of Altivec or Spe
2160         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
2161         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
2162         * config/rs6000/rs6000.h (processor_type): Add
2163         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
2164         (ASM_CPU_SPEC): Add e300c2 and e300c3.
2165         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
2166         and ppce300c3. Include e300c2c3.md.
2167
2168 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
2169
2170         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
2171         instead of TARGET_STRICT_ALIGN.
2172
2173 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
2174
2175         * explow.c (memory_address): Assert that the generated address is
2176         valid.
2177
2178 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2179
2180         PR target/25477
2181         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
2182         * config/darwin-ppc-ldouble-patch.def: New file.
2183         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
2184         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
2185         SUBTARGET_INIT_BUILTINS if defined.
2186         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
2187         New functions.
2188
2189 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2190
2191         PR rtl-opt/33512
2192         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
2193         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
2194
2195 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2196
2197         PR pch/35027
2198         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
2199         file" warning condtional on -Winvalid-PCH.
2200
2201 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
2202
2203         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
2204
2205 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
2206
2207         PR target/22076
2208         PR target/34256 
2209         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
2210         prevent reload from using MMX registers.
2211         (*mov<mode>_internal): Ditto.
2212         (*movv2sf_internal_rex64): Ditto.
2213         (*movv2sf_internal): Ditto.
2214
2215 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2216
2217         PR documentation/31569
2218         * doc/install.texi2html: Use makeinfo --no-number-sections.
2219
2220 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2221
2222         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
2223         ensure that we can address an entire entity > 8 bytes.  Don't
2224         generate reg+reg addressing for such data.
2225
2226 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2227
2228         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
2229         strings when optimizing for size, unless the target cares about
2230         alignment.
2231
2232 2008-02-22  Tom Tromey  <tromey@redhat.com>
2233
2234         * regclass.c (current_pass): Remove declaration.
2235
2236 2008-02-22  Anatoly Sokolov <aesok@post.ru>
2237
2238         * config/avr/libgcc.S (__RAMPZ__): Define.
2239         (__do_copy_data): Add for devices with 128KB code memory.
2240
2241 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2242
2243         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2244         Use spe_abi.
2245         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
2246
2247 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
2248
2249         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
2250         GENNONACR_REGS.
2251
2252 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2253
2254         PR c/19999
2255         * c-typeck.c (build_binary_op): Warn about floating point
2256         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
2257
2258 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
2259
2260         PR target/34526
2261         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
2262         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
2263         add vrsave.
2264         (rs6000_override_options): Set altivec_abi as default, not override,
2265         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
2266         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
2267         is used; use new member spe_abi.
2268         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
2269         spe_abi and altivec_abi.
2270
2271 2008-02-22  Tomas Bily  <tbily@suse.cz>
2272
2273         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
2274
2275 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2276
2277         PR bootstrap/35273
2278         * config.build (build_file_translate): Set to `CMD //c' only if
2279         it works.
2280         * Makefile.in (build_file_translate): Improve comment.
2281
2282 2008-02-21  Jan Hubicka  <jh@suse.cz>
2283
2284         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
2285         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
2286         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
2287
2288 2008-02-21  Michael Matz  <matz@suse.de>
2289
2290         PR target/35264
2291         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
2292
2293 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
2294
2295         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
2296         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
2297         as insn constraint.
2298         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
2299         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
2300         SSE_VEC_FLOAT_MODE_P as insn constraint.
2301         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
2302         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
2303         sse4a_movntdf using MODEF mode iterator.
2304         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
2305         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
2306         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
2307         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
2308         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
2309         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
2310         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
2311
2312 2008-02-21  Richard Guenther  <rguenther@suse.de>
2313
2314         * tree.def (PAREN_EXPR): New tree code.
2315         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
2316         and PAREN_EXPR.
2317         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
2318         * expr.c (expand_expr_real_1): Likewise.
2319         * tree-inline.c (estimate_num_insns_1): Likewise.
2320         * tree-complex.c (expand_complex_move): Likewise.
2321         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
2322         as plain x.
2323
2324 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2325
2326         PR target/35225
2327         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
2328
2329 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2330
2331         PR target/35190
2332         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
2333
2334         * config/sh/sh.c (find_barrier): Don't go past
2335         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
2336
2337 2008-02-20  DJ Delorie  <dj@redhat.com>
2338
2339         * config/h8300/h8300.md (insv): Force source operand to be a register.
2340
2341         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
2342         as a jump, not as a plain insn.
2343         
2344 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
2345
2346         * doc/invoke.texi (Warning Options): Add new option
2347         -Wframe-larger-than=.
2348         (-Wframe-larger-than): Document.
2349
2350         * flags.h (warn_frame_larger_than, frame_larger_than_size):
2351         Add declarations for new option variables.
2352
2353         * final.c (final_start_function): Check the frame size
2354         before emission and issue a Wframe-larger-than warning.
2355
2356         * opts.c (warn_frame_larger_than, frame_larger_than_size):
2357         Add definitions for new option variables.
2358         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
2359
2360         * common.opt (Wframe-larger-than=): New option.
2361
2362 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
2363
2364         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
2365         (<sse>_div<mode>3): Ditto.
2366         (<sse>_vmdiv<mode>3): Ditto.
2367         (<sse>_vmsqrt<mode>2): Ditto.
2368         (*smax<mode>3): Ditto.
2369         (sse5_frcz<mode>2): Ditto.
2370         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
2371         as insn constraint.
2372
2373 2008-02-20  Richard Guenther  <rguenther@suse.de>
2374
2375         PR middle-end/35265
2376         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
2377         be happy with INTEGRAL_TYPE_P.
2378
2379 2008-02-20  Richard Guenther  <rguenther@suse.de>
2380
2381         * fold-const.c (split_tree): Associate floatig-point expressions
2382         if flag_associative_math is set.
2383
2384 2008-02-20  Richard Guenther  <rguenther@suse.de>
2385
2386         * tree.h (fold_real_zero_addition_p): Declare.
2387         * fold-const.c (fold_real_zero_addition_p): Export.
2388         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
2389         floating-point operations with zero and one.
2390
2391 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
2392
2393         * doc/install.texi: Correct references to CFLAGS, replacing them
2394         with BOOT_CFLAGS.  Document flags used during bootstrap for
2395         target libraries.
2396                                 
2397 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
2398
2399         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
2400         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
2401         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
2402         insn constraint.
2403         (smin<mode>3): Ditto from similar patterns.
2404         (smax<mode>3): Ditto.
2405         (*ieee_smin<mode>3): Ditto.
2406         (*ieee_smax<mode>3): Ditto.
2407         * config/i386/sse.md (sse): New mode attribute.
2408         (mov<mode>): Macroize expander from movv4sf and movv2df using
2409         SSEMODEF2P mode iterator.
2410         (<sse>_movnt<mode>): Ditto from similar patterns. Use
2411         SSE_VEC_FLOAT_MODE_P as insn constraint.
2412         (storent<mode>): Ditto.
2413         (storent<mode>): Macroize expander from storentsf and storentdf using
2414         MODEF mode iterator.
2415         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
2416         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
2417         (abs<mode>2): Ditto from similar patterns.
2418         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
2419         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
2420         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
2421         (<sse>_vmsqrt<mode>2): Ditto.
2422         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
2423         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
2424         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
2425         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
2426         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
2427         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
2428         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
2429         insn constraint.
2430         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
2431         iterator and SSE_FLOAT_MODE_P as insn constraint.
2432         (<sse>_ucomi): Ditto from similar patterns.
2433         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
2434         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
2435         SSE_VEC_FLOAT_MODE_P as insn constraint.
2436         (vcond<mode>): Ditto from similar patterns.
2437         (and<mode>3, *and<mode>3): Ditto.
2438         (<sse>_nand<mode>3): Ditto.
2439         (ior<mode>3, *ior<mode>3): Ditto.
2440         (xor<mode>3, *xor<mode>3): Ditto.
2441         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
2442         iterator and SSE_FLOAT_MODE_P as insn constraint.
2443         (*nand<mode>3): Ditto from similar patterns.
2444         (*ior<mode>3): Ditto.
2445         (*xor<mode>3): Ditto.
2446
2447 2008-02-20  Ira Rosen  <irar@il.ibm.com>
2448
2449         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
2450         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
2451         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
2452
2453 2008-02-19  Jan Hubicka  <jh@suse.cz>
2454
2455         * predict.c (tree_bb_level_predictions): Remove variable next
2456         mistakely introduced by previous commit.
2457
2458 2008-02-19  Jan Hubicka  <jh@suse.cz>
2459
2460         * predict.c (predict_paths_leading_to): Rewrite.
2461         (predict_paths_for_bb): New.
2462         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
2463
2464 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2465
2466         PR bootstrap/35218
2467         * Makefile.in (build_file_translate): New.
2468         (gcc-vers.texi): Use it for translating $(abs_srcdir).
2469         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
2470         * configure.ac (build_file_translate): Substitute it.
2471         * configure: Regenerate.
2472
2473 2008-02-19  Jan Hubicka  <jh@suse.cz>
2474
2475         PR rtl-optimization/34408
2476         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
2477         invalid sharing.
2478
2479 2008-02-19  Jan Hubicka  <jh@suse.cz>
2480
2481         PR middle-end/28779
2482         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
2483         call_expr.
2484
2485 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
2486
2487         PR Ada/35186
2488         * config/i386/i386-modes.def: Revert the last DI alignment
2489         change until Ada people can look into it.
2490
2491 2008-02-19  Nick Clifton  <nickc@redhat.com>
2492
2493         * opts.c (print_specific_help): Fix typo in --help text.
2494
2495 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
2496
2497         PR target/35239
2498         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
2499         32-bit inline asm without asm alternatives for host GCC < 3.0.
2500
2501 2008-02-19  Richard Guenther  <rguenther@suse.de>
2502
2503         PR tree-optimization/34989
2504         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
2505         Allow propagation to INDIRECT_REF if we can simplify only.
2506
2507 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2508
2509         * c-common.c (warn_for_collisions_1): Use appropriate option when
2510         warning.
2511
2512 2008-02-19  Nick Clifton  <nickc@redhat.com>
2513
2514         PR other/31349
2515         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
2516         (handle_options): Fix indentation.
2517         (print_filtered_help): If no language-specific options were
2518         displayed tell the user how to list all the options supported by
2519         the language's front-end.
2520         (print_specific_help): Fix indentation and remove duplicate line.
2521         (common_handle_option): Handle the -v option.
2522         For --help enable the display of undocumented options if the -v
2523         switch has been included on the command line.
2524         For --help= check for overlaps in the arguments between the option
2525         classes and the language names and issue a warning when they
2526         cannot be disambiguated.
2527         * c.opt (v): Pass on to the common option handler.
2528
2529 2008-02-19  Revital Eres  <eres@il.ibm.com> 
2530
2531         * modulo-sched.c (sms_schedule): Change dump message when
2532         create_ddg function fails.
2533         (try_scheduling_node_in_cycle): Rename row to cycle.
2534         (print_partial_schedule): Rename CYCLE to ROW.
2535
2536 2008-02-19  Christian Bruel  <christian.bruel@st.com>
2537             Zdenek Dvorak  <ook@ucw.cz>
2538
2539         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
2540
2541 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
2542
2543         PR target/33555
2544         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
2545         (*x86_movdicc_0_m1_se): Ditto.
2546
2547 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
2548
2549         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
2550         (CMPtype): Define as __gcc_CMPtype.
2551         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
2552         (CMPtype): Define as __gcc_CMPtype.
2553
2554 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
2555
2556         Support valgrind 3.3 for --enable-checking=valgrind.
2557         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
2558         here.
2559         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
2560         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
2561         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
2562         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
2563         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
2564         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
2565         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
2566         respectively.
2567         * ggc-zone.c: Similar.
2568         * ggc-page.c: Similar.
2569
2570 2008-02-19  Paul Brook  <paul@codesourcery.com>
2571
2572         PR target/35071
2573         * config/arm/ieee754-df.S: Fix do_it typo.
2574         * config/arm/ieee754-sf.S: Fix do_it typo.
2575
2576 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2577
2578         PR target/35189
2579         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
2580         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
2581         (OPTION_MASK_ISA_SSE_SET): Likewise.
2582         (OPTION_MASK_ISA_SSE2_SET): Likewise.
2583         (OPTION_MASK_ISA_SSE3_SET): Likewise.
2584         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
2585         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
2586         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
2587         (OPTION_MASK_ISA_SSE4_SET): Likewise.
2588         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
2589         (OPTION_MASK_ISA_SSE5_SET): Likewise.
2590         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
2591         (OPTION_MASK_ISA_MMX_UNSET): Updated.
2592         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
2593         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
2594         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
2595         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
2596         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
2597         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
2598         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
2599         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
2600         (OPTION_MASK_ISA_SSE4): Removed.
2601         (ix86_handle_option): Turn on bits in ix86_isa_flags and
2602         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
2603         (override_options): Don't turn on implied SSE/MMX bits in
2604         ix86_isa_flags.
2605
2606 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2607
2608         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2609         32bit host.
2610
2611 2008-02-18  Joey Ye  <joey.ye@intel.com>
2612
2613         PR middle-end/34921
2614         * tree-nested.c (insert_field_into_struct): Set type alignment
2615         to field alignment if the former is less than the latter.
2616
2617 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
2618
2619         * BASE-VER: Set to 4.4.0.
2620
2621 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2622
2623         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
2624         * doc/cfg.texi: Likewise.
2625         * doc/extend.texi: Likewise.
2626         * doc/gty.texi: Likewise.
2627         * doc/invoke.texi: Likewise.
2628         * doc/loop.texi: Likewise.
2629         * doc/md.texi: Likewise.
2630         * doc/passes.texi: Likewise.
2631         * doc/rtl.texi: Likewise.
2632         * doc/sourcebuild.texi: Likewise.
2633         * doc/tm.texi: Likewise.
2634         * doc/tree-ssa.texi: Likewise.
2635
2636 2008-02-17  Richard Guenther  <rguenther@suse.de>
2637
2638         PR middle-end/35227
2639         * tree-complex.c (init_parameter_lattice_values): Handle parameters
2640         without default definition.
2641
2642 2008-02-17  Richard Guenther  <rguenther@suse.de>
2643
2644         PR tree-optimization/35231
2645         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
2646         if A | B != 1.
2647
2648 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
2649
2650         Revert:
2651
2652         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
2653         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2654         libgcc_cmp_return mode.
2655
2656 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2657
2658         PR c/28368
2659         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
2660
2661 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
2662
2663         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
2664         multilibs.
2665
2666 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2667
2668         * doc/c-tree.texi: Use `@.' where appropriate.
2669         * doc/extend.texi: Likewise.
2670         * doc/install.texi: Likewise.
2671         * doc/invoke.texi: Likewise.
2672         * doc/loop.texi: Likewise.
2673         * doc/makefile.texi: Likewise.
2674         * doc/md.texi: Likewise.
2675         * doc/passes.texi: Likewise.
2676         * doc/standards.texi: Likewise.
2677         * doc/tm.texi: Likewise.
2678
2679 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
2680
2681         PR middle-end/35196
2682         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
2683         in entry_bb.
2684         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
2685         rather than in entry_bb.
2686
2687 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2688
2689         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2690         libgcc_cmp_return mode.
2691
2692 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
2693
2694         PR middle-end/35130
2695         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
2696         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
2697
2698 2008-02-15  Richard Guenther  <rguenther@suse.de>
2699             Zdenek Dvorak  <ook@ucw.cz>
2700
2701         PR tree-optimization/35164
2702         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
2703         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
2704         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
2705         Only propagate addresses which do not have abnormal SSA_NAMEs
2706         in their operands.
2707
2708 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
2709
2710         PR target/35088
2711         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
2712
2713 2008-02-15  Jan Hubicka  <jh@suse.cz>
2714
2715         PR middle-end/35149
2716         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
2717
2718 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2719
2720         PR middle-end/34621
2721         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
2722         when calculating alignment_pad.
2723
2724 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2725
2726         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
2727         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
2728         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
2729         and STACK_BOUNDARY define.
2730
2731 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
2732
2733         PR preprocessor/35061
2734         * c-pragma.c (handle_pragma_pop_macro): Check that
2735         pushed_macro_table has been allocated.
2736
2737 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2738
2739         PR middle-end/35136
2740         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
2741         (force_gimple_operand): Likewise.
2742         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
2743         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
2744         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
2745         (find_interesting_uses_address): Check addressability and alignment
2746         of the base expression only after substituting bases of IVs into it.
2747
2748 2008-02-14  Michael Matz  <matz@suse.de>
2749
2750         PR target/34930
2751         * function.c (instantiate_virtual_regs_in_insn): Reload address
2752         before falling back to reloading the whole operand.
2753
2754 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
2755
2756         * config/s390/s390.c (s390_mainpool_start): Emit the pool
2757         before the first section switch note.
2758
2759 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2760
2761         * doc/bugreport.texi: Update copyright years.
2762         * doc/c-tree.texi: Likewise.
2763         * doc/cfg.texi: Likewise.
2764         * doc/cpp.texi: Likewise.
2765         * doc/cppinternals.texi: Likewise.
2766         * doc/fragments.texi: Likewise.
2767         * doc/frontends.texi: Likewise.
2768         * doc/gcc.texi: Likewise.
2769         * doc/gty.texi: Likewise.
2770         * doc/hostconfig.texi: Likewise.
2771         * doc/implement-c.texi: Likewise.
2772         * doc/libgcc.texi: Likewise.
2773         * doc/loop.texi: Likewise.
2774         * doc/makefile.texi: Likewise.
2775         * doc/options.texi: Likewise.
2776         * doc/passes.texi: Likewise.
2777         * doc/rtl.texi: Likewise.
2778         * doc/sourcebuild.texi: Likewise.
2779         * doc/standards.texi: Likewise.
2780         * doc/tree-ssa.texi: Likewise.
2781         * doc/trouble.texi: Likewise.
2782
2783         * doc/extend.texi: Use @: or add comma where appropriate.
2784         * doc/invoke.texi: Likewise.
2785         * doc/tm.texi: Likewise.
2786
2787 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
2788
2789         PR target/34393
2790         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
2791         to a reg.
2792
2793 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
2794
2795         * doc/md.texi (clz, ctz): Add reference.
2796         * doc/rtl.texi (clz, ctz): Likewise.
2797
2798 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2799
2800         PR other/35148
2801         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
2802         srcdir.
2803
2804 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
2805
2806         * config/s390/s390.c (struct constant_pool): New field
2807         emit_pool_after added.
2808         (s390_mainpool_start): Set the emit_pool_after flag according
2809         to the section switch notes.
2810         (s390_mainpool_finish): Consider emit_pool_after when emitting
2811         the literal pool at the end of the function.
2812         (s390_chunkify_start): Force literal pool splits at section
2813         switch notes.
2814
2815 2008-02-13  Michael Matz  <matz@suse.de>
2816
2817         PR debug/35065
2818         * var-tracking.c (clobber_variable_part): Correctly traverse the
2819         list.
2820
2821 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2822
2823         PR 29673
2824         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
2825         Add -fdump-ipa-inline.
2826         * tree-dump.c (dump_files): Remove tree-inlined dump.
2827         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
2828         
2829 2008-02-12  Richard Guenther  <rguenther@suse.de>
2830
2831         PR tree-optimization/35171
2832         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
2833         default defs.
2834
2835 2008-02-12  Richard Guenther  <rguenther@suse.de>
2836
2837         PR middle-end/35163
2838         * fold-const.c (fold_widened_comparison): Use get_unwidened in
2839         value-preserving mode.  Disallow final truncation.
2840
2841 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2842
2843         PR middle-end/35136
2844         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
2845         code from here to...
2846         (force_gimple_operand): ...here.
2847
2848 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
2849
2850         PR c++/35144
2851         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
2852         non-compatible pointers.
2853         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
2854         different FIELD_DECLs, try harder by comparing field offsets, sizes
2855         and types.
2856
2857         PR inline-asm/35160
2858         * function.c (match_asm_constraints_1): Don't replace the same input
2859         multiple times.
2860
2861 2008-02-12  Anatoly Sokolov <aesok@post.ru>
2862
2863         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
2864         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
2865         (expand_epilogue): Restore RAMPZ register.
2866         * config/avr/avr.md (RAMPZ_ADDR): New constant.
2867
2868 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
2869
2870         * config/i386/cygwin.asm: (__alloca): Correct calling
2871         convention and alignment.
2872         (__chkstk): Force 8 byte stack alignment.
2873
2874 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
2875             Richard Guenther  <rguenther@suse.de>
2876
2877         PR tree-optimization/33992
2878         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
2879         the zero we compare against.
2880
2881 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
2882
2883         PR libfortran/35063
2884         * gthr-win32.h (__gthread_mutex_destroy_function): New function
2885         to CloseHandle after unlocking to prevent accumulation of handle
2886         count.
2887
2888 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2889
2890         PR middle_end/34150
2891         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
2892         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
2893         and update LABEL_NUSES during and after reload.
2894
2895 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
2896
2897         PR middle-end/34627
2898         * combine.c (simplify_if_then_else): Make sure the comparison is
2899         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
2900
2901 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
2902
2903         PR bootstrap/35051
2904         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
2905         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
2906         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
2907         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
2908         * tree.h (get_type_static_bounds): Likewise.
2909
2910 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2911
2912         * doc/invoke.texi (Option Summary, C++ Dialect Options)
2913         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2914         Make -Wfoo language annotations match what the compiler outputs.
2915
2916 2008-02-08  Sa Liu  <saliu@de.ibm.com>
2917
2918         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
2919         intrinsics spu_convts, spu_convtu, spu_convtf.
2920         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
2921
2922 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
2923
2924         * doc/extend.texi (Function Attributes) <noinline>: Mention
2925         asm ("") as method to keep calls.
2926
2927 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2928
2929         PR other/32754
2930         * doc/options.texi (Options): Replace references to opts.sh with
2931         optc-gen.awk.
2932         * opts-common.c: Likewise.
2933         * optc-gen.awk: Likewise.
2934         
2935 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2936
2937         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
2938
2939 2008-02-07  Richard Henderson  <rth@redhat.com>
2940
2941         PR rtl-opt/33410
2942         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
2943         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
2944         funny mode.
2945
2946 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
2947
2948         PR tree-optimization/35085
2949         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
2950         for operand entry oe2 in addition to operand entry oe3 in order to
2951         expose more opportunities for vectorizer sum reduction.
2952
2953 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2954
2955         PR other/35107
2956         * Makefile.in (LIBS): Remove $(GMPLIBS).
2957         (cc1-dummy, cc1): Add $(GMPLIBS).
2958
2959 2008-02-06  Jan Hubicka  <jh@suse.cz>
2960
2961         PR target/23322
2962         * i386.md (moddf_integer): Do not produce partial memory stalls for
2963         targets where it hurts.
2964
2965 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
2966
2967         PR target/35083
2968         * optabs.c (expand_float): Do not check for decimal modes when
2969         expanding unsigned integer through signed conversion.
2970
2971 2008-02-06  Nick Clifton  <nickc@redhat.com>
2972
2973         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
2974         inside the clobber with a match_operand and duplicated operand
2975         number in the constraint.
2976         (ineqbranchsi): Delete redundant comment.
2977
2978 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
2979
2980         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
2981         builtin_define ("__USE_INIT_FINI__").
2982         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
2983         -msx multilibs.
2984         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
2985
2986 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2987
2988         PR documentation/30330
2989         * doc/invoke.texi (C++ Dialect Options)
2990         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2991         For each warning option -Wfoo that allows -Wno-foo, ensure both
2992         -Wfoo and -Wno-foo are listed in the option index.  Fix index
2993         entry of -Wswitch-default, index -Wnormalized= including the
2994         `=', and -Wlarger-than-@var{len} including @var{len}.
2995
2996 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2997
2998         * config/i386/i386.md (floatunssisf2): Use
2999         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
3000         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
3001         Macroize expander using MODEF mode iterator.
3002
3003 2008-02-05  Diego Novillo  <dnovillo@google.com>
3004
3005         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
3006
3007         PR 33738
3008         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
3009
3010 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3011
3012         PR other/35070
3013         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
3014
3015 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
3016
3017         PR target/35084
3018         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
3019         to indicate if a message should be generated.
3020         (init_cumulative_args): Updated.
3021         (function_value_32): Likewise.
3022
3023 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
3024
3025         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
3026
3027 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
3028
3029         PR target/35083
3030         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
3031         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
3032
3033 2008-02-04  Diego Novillo  <dnovillo@google.com>
3034
3035         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
3036
3037         PR 33738
3038         * tree-vrp.c (vrp_evaluate_conditional): With
3039         -Wtype-limits, emit a warning when comparing against a
3040         constant outside the natural range of OP0's type.
3041
3042 2008-02-04  Richard Guenther  <rguenther@suse.de>
3043
3044         PR middle-end/33631
3045         * expr.c (count_type_elements): Give for unions instead of
3046         guessing.
3047
3048 2008-02-04  Richard Guenther  <rguenther@suse.de>
3049
3050         PR middle-end/35043
3051         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
3052         to TYPE_DOMAINs base type instead of using bitsizetype here.
3053
3054 2008-02-03  Jason Merrill  <jason@redhat.com>
3055
3056         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
3057
3058 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3059
3060         PR other/29972
3061         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
3062         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
3063         (RS/6000 and PowerPC Options): Fix typos and markup.
3064         * doc/passes.texi (Tree-SSA passes): Likewise.
3065
3066 2008-02-02  Michael Matz  <matz@suse.de>
3067
3068         PR target/35045
3069         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
3070         from record_last_reg_set_info.
3071         (record_last_reg_set_info): Take an RTX argument, iterate over all
3072         constituent hardregs.
3073         (record_last_set_info, record_opr_changes): Change calls to
3074         new signature or to record_last_reg_set_info_regno.
3075
3076 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
3077
3078         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
3079
3080 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
3081
3082         PR rtl-optimization/34773
3083         * reg-notes.def (EQUAL): Mention significance of combination of
3084         REG_EQUAL and REG_RETVAL.
3085         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
3086         insn that has a REG_RETVAL.
3087
3088 2008-02-01  Roger Sayle  <roger@eyesopen.com>
3089
3090         PR bootstrap/33781
3091         * configure.ac (--enable-fixed-point): Disable unless explicitly
3092         requested on IRIX.
3093         * configure: Regenerate.
3094
3095 2008-02-01  Richard Guenther  <rguenther@suse.de>
3096
3097         PR other/35042
3098         * invoke.texi (-finline-limit): Remove no longer true parts
3099         of the documentation.  Note that there is no default value.
3100
3101 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
3102             Mark Mitchell  <mark@codesourcery.com>
3103             Ben Elliston  <bje@au.ibm.com>
3104
3105         PR c/29326
3106         * doc/extend.texi (Other Builtins): Document.
3107
3108 2008-01-31  Tom Browder <tom.browder@gmail.com>
3109
3110         * doc/c-tree.texi (Types): Fix grammar.
3111         (Expression trees): Ditto.
3112         * doc/passes.texi (Tree-SSA passes): Ditto.
3113         
3114         * doc/configterms.texi (Configure Terms): Fix typo.
3115         * doc/cpp.texi (Common Predefined Macros): Ditto.
3116         * doc/md.texi (Machine Constraints): Ditto.
3117         
3118         * doc/makefile.texi (Makefile): Add comma.
3119
3120 2008-01-31  Tom Browder  <tom.browder@gmail.com>
3121             Gerald Pfeifer  <gerald@pfeifer.com>
3122         
3123         * doc/sourcebuild.texi (Front End): Remove references to CVS
3124         and CVSROOT/modules.
3125         (Texinfo Manuals): Replace reference to CVS by one to SVN.
3126         (Back End): Remove reference to CVS.
3127
3128 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
3129
3130         PR target/34900
3131         * config/mips/mips.c (gen_load_const_gp): New function, taking a
3132         comment from...
3133         (mips16_gp_pseudo_reg): ...here.
3134         * config/mips/mips.md (load_const_gp): Replace with...
3135         (load_const_gp_<mode>): ...this :P-based insn.
3136
3137 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3138
3139         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
3140         options. Minor fixes.
3141         (-std): Move reference to standards closer to where language
3142         standards are first mentioned.
3143         
3144 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
3145
3146         PR rtl-optimization/34995
3147         * reload.c (alternative_allows_const_pool_ref): Take an rtx
3148         parameter and return a bool.  If the rtx parameter is nonnull,
3149         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
3150         (find_reloads): Update call accordingly.  Pass the new operand
3151         if it needed no address reloads, otherwise pass null.
3152
3153 2008-01-30  Richard Henderson  <rth@redhat.com>
3154
3155         PR c/34993
3156         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
3157         for unbounded arrays.
3158
3159 2008-01-30  Silvius Rus  <rus@google.com>
3160
3161         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
3162
3163 2008-01-30  Jan Hubicka  <jh@suse.cz>
3164
3165         PR target/34982
3166         * i386.c (init_cumulative_args): Use real function declaration when
3167         calling locally.
3168
3169 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
3170
3171         PR rtl-optimization/34998
3172         * global.c (build_insn_chain): Treat non-subreg_lowpart
3173         SUBREGs of pseudos as clobbering all the words covered by the
3174         SUBREG, not just all the bytes.
3175         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
3176         original df_ref rather than an extract parameter.
3177         (global_conflicts): Update call accordingly.
3178
3179 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
3180
3181         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
3182         the overflow check to make it easier to read.
3183         (__fixtfdi): Change the type of the ll member in union
3184         long_double to UDItype_x.
3185
3186 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
3187
3188         PR middle-end/34969
3189         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
3190         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
3191         * tree-inline.c (fold_marked_statements): Call
3192         cgraph_update_edges_for_call_stmt if folding a call statement.
3193         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
3194         debug_generic_stmt calls, reset it back afterwards.
3195
3196         PR c/35017
3197         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
3198         static decls.
3199         * c-typeck.c (build_external_ref): Don't pedwarn about
3200         static vars in current function's scope.
3201
3202 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
3203
3204         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
3205
3206 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
3207
3208         PR c/35002
3209         * ipa-struct-reorg.c: Fix spelling.
3210         * params.def: Ditto.
3211
3212 2008-01-29  Richard Guenther  <rguenther@suse.de>
3213
3214         PR middle-end/35006
3215         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
3216         field.
3217         * tree-inline.c (remap_type): Increment remapping_type_depth
3218         around remapping types.
3219         (copy_body_r): Only add referenced variables if they are referenced
3220         from code, not types.
3221
3222 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
3223
3224         PR c++/34055
3225         PR c++/34103
3226         PR c++/34219
3227         PR c++/34606
3228         PR c++/34753
3229         PR c++/34754
3230         PR c++/34755
3231         PR c++/34919
3232         PR c++/34961
3233         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
3234         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
3235
3236 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
3237
3238         PR target/34412
3239         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
3240         pointer for tiny stack.
3241
3242 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
3243
3244         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
3245
3246 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
3247
3248         * config/vx-common.h: Fix typo in comment.
3249
3250 2008-01-28  Ian Lance Taylor  <iant@google.com>
3251
3252         PR c++/34862
3253         PR c++/33407
3254         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
3255         coalesce pointers if they have different DECL_NO_TBAA_P values.
3256         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
3257         between variables with different DECL_NO_TBAA_P values.
3258
3259 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
3260
3261         PR 31535
3262         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
3263         are not legitimate small data references on SPE targets.
3264
3265 2008-01-28  David Daney  <ddaney@avtrex.com>
3266
3267         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
3268
3269 2008-01-28  David Daney  <ddaney@avtrex.com>
3270
3271         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
3272
3273 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
3274
3275         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
3276         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
3277         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
3278         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
3279         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
3280         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
3281         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
3282         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
3283
3284 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
3285
3286         * basic-block.h (condjump_equiv_p): Fix comment.
3287
3288 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
3289
3290         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
3291         print_generic_stmt_indented): Fix comment.
3292
3293 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
3294
3295         * configure.ac (__stack_chk_fail): Add detecion for availability
3296         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
3297         * configure: Regenerate.
3298
3299 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
3300
3301         PR middle-end/34688
3302         * final.c (output_addr_const): Handle TRUNCATE.
3303
3304 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
3305
3306         PR target/34711
3307         * tree-ssa-loop-ivopts.c (comp_cost): New type.
3308         (zero_cost, infinite_cost): New constants.
3309         (struct cost_pair): Change type of cost to comp_cost.
3310         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
3311         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
3312         New functions.
3313         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
3314         split_address_cost, ptr_difference_cost, difference_cost,
3315         get_computation_cost_at, get_computation_cost,
3316         determine_use_iv_cost_generic, determine_use_iv_cost_address,
3317         determine_use_iv_cost_condition, determine_use_iv_costs,
3318         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
3319         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
3320         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
3321         Change type of cost to comp_cost.
3322         (determine_iv_cost): Increase cost of non-original ivs, instead
3323         of decreasing the cost of original ones.
3324         (get_address_cost): Indicate the complexity of the addressing mode 
3325         in comp_cost.
3326         (try_add_cand_for): Prefer using ivs not specific to some object.
3327         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
3328
3329 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
3330             Janis Johnson  <janis187@us.ibm.com>
3331
3332         PR target/34814
3333         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
3334         (TARGET_INSTANTIATE_DECLS): Likewise.
3335         * target.h (expand_to_rtl_hook): New target hook.
3336         (instantiate_decls): Likewise.
3337         * function.c (instantiate_decl): Make non-static.  Rename to...
3338         (instantiate_decl_rtl): ... this.
3339         (instantiate_expr): Use instantiate_decl_rtl.
3340         (instantiate_decls_1): Likewise.
3341         (instantiate_decls): Likewise.
3342         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
3343         * function.h (instantiate_decl_rtl): Add prototype.
3344         * cfgexpand.c (target.h): New include.
3345         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
3346         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
3347         (TARGET_INSTANTIATE_DECLS): Likewise.
3348         (TARGET_INITIALIZER): New target hooks added.
3349         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
3350         New prototype.
3351         * config/rs6000/rs6000.c (tree-flow.h): New include.
3352         (machine_function): Add sdmode_stack_slot field.
3353         (rs6000_alloc_sdmode_stack_slot): New function.
3354         (rs6000_instantiate_decls): Likewise.
3355         (rs6000_secondary_memory_needed_rtx): Likewise.
3356         (rs6000_check_sdmode): Likewise.
3357         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
3358         (TARGET_INSTANTIATE_DECLS): Likewise.
3359         (rs6000_hard_regno_mode_ok): Allow SDmode.
3360         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
3361         (rs6000_emit_move): Handle SDmode.
3362         (function_arg_advance): Likewise.
3363         (function_arg): Likewise.
3364         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
3365         SDmode var args for 32-bit compiles.
3366         (rs6000_secondary_reload_class): Handle SDmode.
3367         (rs6000_output_function_epilogue): Likewise.
3368         (rs6000_function_value): Simplify if statement.
3369         (rs6000_libcall_value): Likewise.
3370         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
3371         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
3372         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
3373         (movsd_hardfloat): New define_insn.
3374         (movsd_softfloat): Likewise.
3375         (movsd_store): Likewise.
3376         (movsd_load): Likewise.
3377         (extendsddd2): Likewise.
3378         (extendsdtd2): Likewise.
3379         (truncddsd2): Likewise.
3380         (movdd_hardfloat64): Fixup comment.
3381         (UNSPEC_MOVSD_LOAD): New constant.
3382         (UNSPEC_MOVSD_STORE): Likewise.
3383
3384 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
3385
3386         PR c++/34965
3387         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
3388         TRUTH_XOR_EXPR.
3389         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
3390         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
3391         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
3392         and TRUTH_XOR_EXPR.
3393
3394 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
3395
3396         PR target/34794
3397         * config.gcc: Separate AIX 5.3 from AIX 6.1.
3398         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3399         __LONGDOUBLE128 too.
3400         * config/rs6000/aix61.h: New file.
3401
3402 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
3403
3404         PR rtl-optimization/34959
3405         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
3406         popcount and parity rtxes the same mode as their operand.
3407         Truncate or extend the result to the return value's mode
3408         if necessary.
3409
3410 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
3411
3412         PR target/34981
3413         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
3414         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
3415         to GOT_VERSION_REGNUM.
3416         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
3417         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
3418         * config/mips/mips.c (mips_emit_call_insn): New function.
3419         (mips_call_tls_get_addr): Call mips_expand_call directly.
3420         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
3421         emit_call_insn.
3422         (mips16_build_call_stub): Likewise.  Return the call insn or null.
3423         (mips_expand_call): Update the call to mips16_build_call_stub
3424         accordingly and a remove redundant condition.  Assert that MIPS16
3425         stubs do not use lazy binding.  Use mips_emit_call_insn and return
3426         the call insn.
3427         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
3428         TARGET_USE_GOT.
3429         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
3430         (mips_avoid_hazard): Remove hazard_set handling.
3431         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
3432         (UNSPEC_RESTORE_GP): ...this.
3433         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
3434         (FAKE_CALL_REGNO): Rename to...
3435         (GOT_VERSION_REGNUM): ...this.
3436         (type): Add "ghost" value.  Add an associated insn reservation.
3437         (hazard_set): Remove.
3438         (exception_receiver): Rename to...
3439         (restore_gp): ...this and update the unspec identifier accordingly.
3440         (exception_receiver, nonlocal_got_receiver): New expanders.
3441         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
3442         FAKE_CALL_REGNO.  Remove hazard_set attribute.
3443         (set_got_version, update_got_version): New patterns.
3444
3445 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
3446
3447         PR target/34970
3448         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
3449
3450 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
3451
3452         PR other/31955
3453         * doc/install.texi2html: Generate gcc-vers.texi.
3454
3455 2008-01-25  DJ Delorie  <dj@redhat.com>
3456
3457         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3458
3459 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
3460
3461         * config/c4x: Remove directory.
3462         * config.gcc (crx-*, mt-*): Mark obsolete.
3463         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
3464         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
3465         sh-*-rtemscoff*): Remove cases.
3466         * defaults.h (C4X_FLOAT_FORMAT): Remove.
3467         * real.c (encode_c4x_single, decode_c4x_single,
3468         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
3469         c4x_extended_format): Remove.
3470         * real.h (c4x_single_format, c4x_extended_format): Remove.
3471         * doc/extend.texi (interrupt, naked): Remove mention of attributes
3472         on C4x.
3473         (Pragmas): Remove comment about c4x pragmas.
3474         * doc/install.texi (c4x): Remove target-specific instructions.
3475         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
3476         * doc/md.texi (Machine Constraints): Remove C4x documentation.
3477         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
3478         refer to C4x source files as examples.
3479         (C4X_FLOAT_FORMAT): Remove documentation.
3480
3481 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
3482
3483         * config/bfin/bfin.c (override_options): Reorder tests so that
3484         flag_pic gets enabled for -msep-data.
3485
3486 2008-01-25  Richard Guenther  <rguenther@suse.de>
3487
3488         PR middle-end/32244
3489         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
3490         to its bitfield precision if required.
3491
3492 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
3493
3494         PR middle-end/33880
3495         * tree-nested.c (walk_omp_for): New function.
3496         (convert_nonlocal_reference, convert_local_reference): Call
3497         walk_omp_for on OMP_FOR.
3498         (convert_call_expr): Call walk_body on OMP_FOR's
3499         OMP_FOR_PRE_INIT_BODY.
3500
3501 2008-01-25  Richard Guenther  <rguenther@suse.de>
3502
3503         PR tree-optimization/34966
3504         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
3505         default defs and PHI_NODEs we have to insert after the
3506         defining statement.
3507
3508 2008-01-24  Nick Clifton  <nickc@redhat.com>
3509
3510         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
3511         Provide a default definition.
3512         (LIBGCC2_UNITS_PER_WORD): Likewise.
3513
3514         * config/stormy16/stormy16.c: Include df.h for the prototype
3515         for df_regs_ever_live_p.
3516         (xstormy16_expand_builtin_va_start): Convert the stack offset
3517         into a component_ref and then use POINTER_PLUS_EXPR to add it
3518         to the incoming_virtual_args_rtx.
3519         (xstormy16_gimplify_va_arg_expr): Rename to
3520         xstormy16_gimplify_va_arg_expr.
3521         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
3522         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
3523         xstormy16_gimplify_va_arg_expr.
3524         Fix up some formatting issues.
3525
3526         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
3527         Move to predicates.md.
3528         (xs_hi_general_operand): Likewise.
3529         (xs_hi_nonmemory_operand): Likewise.
3530         * config/stormy16/predicates.md:
3531         (xstormy16_carry_plus_operand): New predicate.
3532         (xs_hi_general_operand): New predicate.
3533         (xs_hi_nonmemory_operand): New predicate.
3534         * config/stormy16/stormy16-protos.h:
3535         (xstormy16_carry_plus_operand): Delete prototype.
3536         (xs_hi_general_operand): Likewise.
3537         (xs_hi_nonmemory_operand): Likewise.
3538
3539         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
3540         modifiers as they are no longer needed and they can trigger
3541         reload spill failures.
3542
3543         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
3544         with a match_operand in order to help reload.
3545
3546         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
3547         constraint with 'e' for the 8th alternative as this version of
3548         the mov.w instruction only accepts the lower 8 registers.
3549
3550 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
3551
3552         PR target/34856
3553         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
3554         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
3555         vector elements.
3556
3557 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
3558
3559         PR middle-end/33333
3560         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
3561
3562 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
3563
3564         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
3565         New functions.
3566         (remove_structure): Update allocations list before removing structure.
3567         
3568 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
3569
3570         * ipa-struct-reorg.c (is_safe_cond_expr, 
3571         create_new_stmts_for_cond_expr): Use integer_zerop function,
3572         that recognize not only zero-pointer, but zero-integer too.
3573
3574 2008-01-25  Ben Elliston  <bje@au.ibm.com>
3575
3576         PR other/22232
3577         * fixproto: Escape "." in sed expression that strips leading "./".
3578
3579 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
3580
3581         PR driver/34904
3582         * gcc.c (SWITCH_OK): Removed.
3583         (SWITCH_LIVE): Changed to bit.
3584         (SWITCH_FALSE): Likewise.
3585         (SWITCH_IGNORE): Likewise.
3586         (switchstr): Change live_cond to unsigned int.
3587         (process_command): Replace SWITCH_OK with 0.
3588         (do_self_spec): Likewise.
3589         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
3590         (give_switch): Likewise.
3591         (used_arg): Likewise.
3592         (do_spec_1): Set the SWITCH_IGNORE bit.
3593         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
3594         bits.  Set the SWITCH_LIVE bit.
3595
3596 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3597
3598         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
3599
3600 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
3601
3602         PR tree-optimization/34472
3603         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
3604         parameter to a "bool *" and set *DATA to false if there is
3605         an unsafe access.  Do not delete the structure here.
3606         (check_cond_exprs): Delete it here instead.
3607         (check_cond_exprs, exclude_cold_structs): Do not increase
3608         I when removing a structure.
3609
3610 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
3611
3612         PR target/34856
3613         * config/i386/i386.c (ix86_expand_vector_init): Consider only
3614         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
3615
3616 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
3617
3618         PR middle-end/34934
3619         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
3620         a fixed vector for stack.
3621
3622 2008-01-24  Ben Elliston  <bje@au.ibm.com>
3623
3624         PR c++/25701
3625         * doc/gcc.texi (Software development): Add a direntry for g++.
3626         
3627 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
3628
3629         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
3630         stale and straggling -fforce-addr comments above.
3631
3632         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
3633         define.
3634         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
3635         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
3636
3637 2008-01-23  Michael Matz  <matz@suse.de>
3638
3639         PR debug/34895
3640         * dwarf2out.c (force_type_die): Use modified_type_die instead of
3641         gen_type_die.
3642
3643 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
3644
3645         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
3646         malloc result type.
3647
3648 2008-01-23 Anatoly Sokolov <aesok@post.ru>
3649
3650         * config/avr/avr.c (avr_current_arch): New variable.
3651         (avr_arch_types): Add 'avr31' and 'avr51' entries.
3652         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
3653         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
3654         (avr_override_options): Init 'avr_current_arch'. 
3655         (base_arch_s): Move from here...
3656         * config/avr/avr.h (base_arch_s): ... here. Add new members 
3657         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
3658         'mega' to 'have_jmp_call'.
3659         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
3660         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
3661         macros.
3662         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
3663         architectures.
3664         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
3665         MULTILIB_MATCHES): (Ditto.).
3666
3667 2008-01-23  Richard Guenther  <rguenther@suse.de>
3668
3669         PR middle-end/31529
3670         * cgraphunit.c (cgraph_reset_node): Always mark the node
3671         not reachable if it is not queued already.
3672
3673 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
3674
3675         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
3676         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
3677         (cputype_selected): New static variable.
3678         (bfin_handle_option): Set it if -mcpu is used.
3679         (override_option): Select default set of workarounds if no cpu type
3680         selected on the command line.
3681         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
3682
3683         From  Michael Frysinger  <michael.frysinger@analog.com>
3684         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
3685         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
3686
3687         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
3688         for bf547, bf523, bf524, and bf526.
3689         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
3690         bf526.
3691         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3692         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
3693         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
3694         __ADSPBF547__ and __ADSPBF54x__ for bf547.
3695         * doc/invoke.texi (Blackfin Options): Document that
3696         -mcpu now accept bf547, bf523, bf524, and bf526.
3697
3698 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3699
3700         PR rtl-optimization/34628
3701         * combine.c (try_combine): Stop and undo after the first combination
3702         if an autoincrement side-effect on the first insn has effectively
3703         been lost.
3704
3705 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
3706
3707         PR target/34529
3708         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
3709         Offset addresses are not valid for Altivec or paired float modes.
3710
3711 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
3712
3713         PR c++/34607
3714         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
3715         if DECL_INITIAL (decl) is error_mark_node.
3716
3717         PR c++/34914
3718         * c-common.c (handle_vector_size_attribute): Only allow
3719         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
3720         the same way as pointer, array etc. types.
3721         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
3722
3723         PR c++/34917
3724         * tree.c (build_type_attribute_qual_variant): Call
3725         build_qualified_type if attributes are equal, but quals are not.
3726
3727 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3728
3729         PR 32102
3730         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
3731         * flags.h (warn_strict_aliasing): Remove.
3732         (warn_strict_overflow): Remove.
3733         * opts.c (warn_strict_aliasing): Remove.
3734         (warn_strict_overflow): Remove.
3735         * c-opts.c (c_common_handle_option): -Wall only sets
3736         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
3737         (c_common_post_options): Give default values to -Wstrict-aliasing
3738         and -Wstrict-overflow if they are uninitialized.
3739         * common.opt (Wstrict-aliasing): Specify Var and Init.
3740         (Wstrict-overflow): Likewise.
3741
3742 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
3743
3744         PR rtl-optimization/26854
3745         PR rtl-optimization/34400
3746         PR rtl-optimization/34884
3747         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
3748         DF_RD->gen.
3749         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
3750         (df_rd_bb_info.expanded_lr_out): Deleted
3751         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
3752         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
3753         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3754         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3755         Removed code to allocate, initialize or free expanded_lr_out.
3756         (df_rd_bb_local_compute_process_def): Restructured to make more
3757         understandable.
3758         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
3759         sets if the sets are being trimmed.
3760
3761 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
3762
3763         PR bootstrap/32287
3764         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
3765         (as_vers): Likewise.
3766         * configure: Regenerated.
3767
3768 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3769
3770         PR middle-end/33092
3771         * tree-pass.h (pass_build_alias): New pass.
3772         * tree-ssa-alias.c (gate_build_alias): New.
3773         (pass_build_alias): New.
3774         * passes.c (init_optimization_passes): Add pass_build_alias after
3775         pass_create_structure_vars.
3776
3777 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
3778
3779         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
3780         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
3781         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
3782         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
3783         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
3784         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
3785         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
3786         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
3787         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
3788         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
3789         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
3790         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
3791         * config/s390/s390.md (FP_ALL): New mode iterator.
3792         (_d): New mode attribute.
3793         ("*signbit<mode>2>"): Changed mode of first operand.
3794         ("isinf<mode>2"): Changed mode of first operand.
3795         ("*TDC_insn"): Adaptation for DFP modes.
3796
3797 2008-01-22  Ben Elliston  <bje@au.ibm.com>
3798
3799         * tree.c (check_qualified_type): Improve function description.
3800
3801 2008-01-21  Jason Merrill  <jason@redhat.com>
3802
3803         PR c++/34196
3804         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
3805         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
3806         if it is set.
3807
3808 2008-01-21  DJ Delorie  <dj@redhat.com>
3809
3810         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
3811         return zero.
3812
3813 2008-01-21  Richard Guenther  <rguenther@suse.de>
3814
3815         PR middle-end/34856
3816         * tree-cfg.c (verify_expr): Allow all invariant expressions
3817         instead of just constant class ones as reference argument.
3818         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
3819         like any other constant.
3820         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
3821
3822 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
3823
3824         * regmove.c (fixup_match_1): Update call crossed frequencies.
3825
3826 2008-01-21  Richard Guenther  <rguenther@suse.de>
3827
3828         PR c/34885
3829         * tree-inline.c (setup_one_parameter): Deal with mismatched
3830         types using a VIEW_CONVERT_EXPR.
3831
3832 2008-01-21  Alon Dayan  <alond@il.ibm.com>
3833             Olga Golovanevsky  <olga@il.ibm.com>
3834         
3835         PR tree-optimization/34701
3836         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
3837         when the structure size is not a power of 2.
3838
3839 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
3840
3841         * doc/install.texi: Add doc for --enable-checking=df.
3842         
3843 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3844
3845         PR rtl-optimization/34808
3846         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
3847
3848 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3849
3850         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
3851         input.
3852
3853 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
3854
3855         PR rtl-optimization/26854
3856         PR rtl-optimization/34400
3857         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
3858         DF_RD->gen.
3859         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
3860         (df_rd_bb_info.expanded_lr_out): New.
3861         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
3862         * loop_iv.c (iv_analysis_loop_init): Ditto.
3863         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3864         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3865         Added code to allocate, initialize or free expanded_lr_out.
3866         (df_rd_bb_local_compute_process_def): Restructured to make
3867         more understandable.
3868         (df_rd_confluence_n): Add code to do nothing with fake edges and
3869         code to no apply invalidate_by_call sets if the sets are being trimmed.
3870         (df_lr_local_finalize): Renamed to df_lr_finalize.
3871         (df_live_local_finalize): Renamed to df_live_finalize.
3872
3873 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3874
3875         PR target/34831
3876         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
3877         deciding whether to use reciprocal instructions.
3878
3879 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
3880
3881         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
3882         dwarf2out_note_section_used if cold_text_section is NULL.
3883
3884 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
3885
3886         PR gcov-profile/34610
3887         * tree-cfg.c (make_edges): Mark both outgoing edges from
3888         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
3889         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
3890         from OMP_FOR and OMP_CONTINUE outgoing edges.
3891
3892         * tree-profile.c (tree_profiling): Return early if
3893         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
3894         at the end.
3895         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
3896         from cfun to child_cfun.
3897         * function.h (struct function): Add after_tree_profile bit.
3898
3899 2008-01-19 Anatoly Sokolov <aesok@post.ru>
3900
3901         * config/avr/avr.S (_exit): Disable interrupt.
3902
3903 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
3904             Steven Bosscher  <stevenb.gcc@gmail.com>
3905
3906         PR rtl-optimization/26854
3907         PR rtl-optimization/34400
3908         * df-problems.c (df_live_scratch): New scratch bitmap.
3909         (df_live_alloc): Allocate df_live_scratch when doing df_live.
3910         (df_live_reset): Clear the proper bitmaps.
3911         (df_live_bb_local_compute): Only process the artificial defs once
3912         since the order is not important.
3913         (df_live_init): Init the df_live sets only with the variables
3914         found live by df_lr.
3915         (df_live_transfer_function): Use the df_lr sets to prune the
3916         df_live sets as they are being computed.  
3917         (df_live_free): Free df_live_scratch.
3918
3919 2008-01-18  Ian Lance Taylor  <iant@google.com>
3920
3921         * common.opt: Add fmerge-debug-strings.
3922         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
3923         flag_merge_debug_strings rather than flag_merge_constants.
3924         * doc/invoke.texi (Option Summary): Mention
3925         -fmerge-debug-strings.
3926         (Debugging Options): Document -fmerge-debug-strings.
3927
3928 2008-01-18  Ian Lance Taylor  <iant@google.com>
3929
3930         PR c++/33407
3931         * tree.h (DECL_IS_OPERATOR_NEW): Define.
3932         (struct tree_function_decl): Add new field operator_new_flag.
3933         * tree-inline.c (expand_call_inline): When inlining a call to
3934         operator new, force the return value to go into a variable, and
3935         set DECL_NO_TBAA_P on that variable.
3936         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
3937
3938 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
3939
3940         PR debug/34484
3941         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
3942         DWARF2_DEBUGGING_INFO.
3943         (dwarf2out_note_section_used): Ditto.  Add prototype.
3944         (have_multiple_function_sections, text_section_used,
3945         cold_text_section_used, *cold_text_sections): Move declarations
3946         before their uses.
3947
3948 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
3949
3950         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
3951         field and add signal_ra.
3952         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
3953         assignments to frame state pc.  Move end of stack check after
3954         MD_FALLBACK_FRAME_STATE_FOR.
3955         (uw_update_context_1): Use frame state signal_regs if set, instead
3956         of checking signal_frame flag.
3957         (uw_update_context): Use frame state signal_ra if set.
3958         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
3959         * config/xtensa/linux-unwind.h: New file.
3960
3961 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
3962
3963         * modulo-sched.c (get_sched_window): Fix comment typo.
3964
3965 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
3966
3967         PR tree-optimization/34648
3968         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
3969
3970 2008-01-17  Anatoly Sokolov <aesok@post.ru>
3971
3972         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
3973         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
3974
3975 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
3976
3977         PR rtl-optimization/34400
3978         * df-core.c (df_worklist_dataflow_overeager,
3979         df_worklist_dataflow_doublequeue): New functions.
3980         (df_worklist_dataflow): Two different worklist solvers.
3981         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
3982         New param.
3983
3984 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3985
3986         PR testsuite/34821
3987         * doc/invoke.texi: Document the dependence on pthread for fopenmp
3988         and ftree-parallelize-loops.
3989
3990 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
3991
3992         PR rtl-optimization/34826
3993         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
3994
3995 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3996
3997         * global.c (find_reg): Mark the eh regs as used if necessary.
3998         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
3999         * ra.h (struct allocno): no_eh_reg field added.  Changed
4000         no_stack_reg type to bitfield.
4001
4002 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
4003
4004         * tree.c (substitute_in_expr): Add missing 'break'.
4005
4006 2008-01-17  Richard Guenther  <rguenther@suse.de>
4007
4008         PR tree-optimization/34825
4009         * tree-ssa-math-opts.c (is_division_by): Do not recognize
4010         x / x as division to handle.
4011
4012 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4013
4014         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
4015         "-pthread" is specified.
4016         * pa-hpux11.h (LIB_SPEC): Likewise.
4017
4018 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
4019             Peter Bergner  <bergner@vnet.ibm.com>
4020
4021         PR rtl-optimization/33796
4022         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
4023
4024 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4025
4026         PR libgfortran/34699
4027         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
4028         static links.
4029         * pa-hpux10.h (LINK_SPEC): Likewise.
4030         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
4031
4032 2008-01-16  Richard Guenther  <rguenther@suse.de>
4033
4034         PR middle-end/32628
4035         * fold-const.c (fold_convert_const_int_from_int): Do not
4036         set overflow if that occured only because of a sign extension
4037         change when converting from/to a sizetype with the same
4038      &nbs