OSDN Git Service

PR target/13958
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
2
3         PR target/13958
4         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
5         corresponding post-reload splitters.
6         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
7         when x87 FP math is selected.
8         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
9         New function prototype.
10         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
11         unreachable function to ease macroization of insn patterns.
12
13 2008-03-21  Martin Jambor  <mjambor@suse.cz>
14
15         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
16         reference dumps if ddr is NULL or dependence is unknown.
17
18 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
19
20         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
21         unsigned extension into account.
22         (ATOMIC_COMPARE_AND_SWAP): Likewise.
23         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
24         Do computations on a scratch register.
25
26 2008-03-21  Richard Guenther  <rguenther@suse.de>
27
28         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
29         Use is_gimple_min_invariant instead of TREE_INVARIANT.
30         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
31         * tree-ssa-dom.c (record_equality): Likewise.
32         * tree-inline.c (copy_body_r): Likewise.
33         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
34         TREE_INVARIANT.
35
36 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
37
38         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
39         as 'delete_unused' argument.
40
41 2008-03-20  Richard Guenther  <rguenther@suse.de>
42
43         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
44         special casing of constant qualifiers.
45         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
46         care about them in general.
47         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
48         regardless of their type.
49         (fold_stmt_r): Forcefully fold *& if we end up with that.
50
51 2008-03-20  Paul Brook  <paul@codesourcery.com>
52
53         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
54         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
55         linker flags.
56         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
57         definition.
58         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
59         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
60
61 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
62
63         * common.opt (Wmudflap): New option.
64         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
65         (mx_register_decls): Likewise.
66         (mudflap_finish_file): Likewise.
67         * doc/invoke.texi: Document -Wno-mudflap.
68
69 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
70
71         * c-format.c (replace_format_name_to_system_name): New.
72         (cmp_attribs): New.
73         (convert_format_name_to_system_name): New.
74         (decode_format_attr): Add use of convert_format_name_to_system_name.
75         (format_types_orig): Add gnu_ prefix to names.
76         (check_format_info_main): Special treating of \0 escaped names for
77         supporting multi-character format specifiers as I32, I64.
78         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
79         (gnu_target_overrides_format_attributes): New.
80         * c-format.h: Add structure target_ovr_attr to hold
81         system specific formatter names.
82         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
83         msformat-c.o file to c_target_objs and cxx_target_objs.
84         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
85         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
86         (TARGET_N_FORMAT_TYPES): New.
87         * config/i386/msformat-c.c: New.
88         * config/i386/t-cygming: Add build rule for msformat-c.o.
89         * doc/extend.texi: Add new format names gnu_* and ms_* and
90         further details.
91         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
92
93 2008-03-20  Ira Rosen  <irar@il.ibm.com>
94
95         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
96         optimizations turned on under -O3.
97         (ftree-vectorize): Add that the flag is turned on with -O3.
98
99 2008-03-20  Ben Elliston  <bje@au.ibm.com>
100
101         * regmove.c (try_auto_increment): Fix spelling error in comment.
102         * final.c (final_scan_insn): Likewise.
103
104 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
105
106         PR target/14552
107         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
108         allocator preferences for "y" and "r" class registers.
109         ("*mov<mode>_internal"): Ditto.
110         ("*movv2sf_internal_rex64"): Ditto.
111         ("*movv2sf_internal"): Ditto.
112
113 2008-03-19  Michael Matz  <matz@suse.de>
114
115         PR middle-end/35616
116         * calls.c (expand_call): Check overlap of arguments with call
117         address for sibcalls.
118
119 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
120
121         PR target/35496
122         * stor-layout.c (update_alignment_for_field): Set minimum alignment
123         of the underlying type of a MS bitfield layout to the natural
124         alignment of the type.
125
126 2008-03-19  Jan Hubicka  <jh@suse.cz>
127
128         PR other/35094
129         * toplev.c (decode_d_option): Handle all CPP flags.
130         * tree-vrp.c: Update tree_pass descriptors.
131         * regrename.c: Update tree_pass descriptors.
132         * fwprop.c: Update tree_pass descriptors.
133         * doc/invoke.texi: Remove documentation of dropped -d? flags.
134         * tree-into-ssa.c: Update tree_pass descriptors.
135         * tree-dump.c: Update tree_pass descriptors.
136         * tree-complex.c: Update tree_pass descriptors.
137         * tree-dump.h: Update tree_pass descriptors.
138         * see.c: Update tree_pass descriptors.
139         * cgraphbuild.c: Update tree_pass descriptors.
140         * tracer.c: Update tree_pass descriptors.
141         * tree-loop-distribution.c: Update tree_pass descriptors.
142         * cgraph.c: Update tree_pass descriptors.
143         * postreload-gcse.c: Update tree_pass descriptors.
144         * postreload.c: Update tree_pass descriptors.
145         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
146         * tree-tailcall.c: Update tree_pass descriptors.
147         * tree-pass.h (tree_opt_pass): Rename to ...
148         (opt_pass) ... this one; add "type" field and remove letter field.
149         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
150         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
151         all_lowering_passes): Update declaration.
152         * ipa-cp.c: Update tree_pass descriptors.
153         * final.c: Update tree_pass descriptors.
154         * omp-low.c: Update tree_pass descriptors.
155         * tree-ssa-dse.c: Update tree_pass descriptors.
156         * ipa-reference.c: Update tree_pass descriptors.
157         * tree-ssa-uncprop.c: Update tree_pass descriptors.
158         * auto-inc-dec.c: Update tree_pass descriptors.
159         * reorg.c: Update tree_pass descriptors.
160         * cgraphunit.c: Update tree_pass descriptors.
161         * tree-ssa-copyrename.c: Update tree_pass descriptors.
162         * tree-ssa-ccp.c: Update tree_pass descriptors.
163         * df-core.c: Update tree_pass descriptors.
164         * mode-switching.c: Update tree_pass descriptors.
165         * tree-nomudflap.c: Update tree_pass descriptors.
166         * modulo-sched.c: Update tree_pass descriptors.
167         * ipa-pure-const.c: Update tree_pass descriptors.
168         * cse.c: Update tree_pass descriptors.
169         * web.c: Update tree_pass descriptors.
170         * tree-stdarg.c: Update tree_pass descriptors.
171         * tree-ssa-math-opts.c: Update tree_pass descriptors.
172         * tree-ssa-dom.c: Update tree_pass descriptors.
173         * tree-nrv.c: Update tree_pass descriptors.
174         * tree-ssa-alias.c: Update tree_pass descriptors.
175         * loop-init.c: Update tree_pass descriptors.
176         * gimple-low.c: Update tree_pass descriptors.
177         * ipa-inline.c: Update tree_pass descriptors.
178         * tree-ssa-sink.c: Update tree_pass descriptors.
179         * global.c: Update tree_pass descriptors.
180         * ifcvt.c: Update tree_pass descriptors.
181         * jump.c: Update tree_pass descriptors.
182         * predict.c: Update tree_pass descriptors.
183         * tree-ssa-loop.c: Update tree_pass descriptors.
184         * recog.c: Update tree_pass descriptors.
185         * dse.c: Update tree_pass descriptors.
186         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
187         * tree-eh.c: Update tree_pass descriptors.
188         * regmove.c: Update tree_pass descriptors.
189         * local-alloc.c
190         * function.c: Update tree_pass descriptors.
191         * tree-vectorizer.c: Update tree_pass descriptors.
192         * gcse.c: Update tree_pass descriptors.
193         * ipa-type-escape.c: Update tree_pass descriptors.
194         * tree-if-conv.c: Update tree_pass descriptors.
195         * init-regs.c: Update tree_pass descriptors.
196         * ipa.c: Update tree_pass descriptors.
197         * tree-ssa-phiopt.c: Update tree_pass descriptors.
198         * rtl-factoring.c: Update tree_pass descriptors.
199         * lower-subreg.c: Update tree_pass descriptors.
200         * bt-load.c: Update tree_pass descriptors.
201         * tree-dfa.c: Update tree_pass descriptors.
202         * except.c: Update tree_pass descriptors.
203         * emit-rtl.c: Update tree_pass descriptors.
204         * cfgexpand.c: Update tree_pass descriptors.
205         * tree-cfgcleanup.c: Update tree_pass descriptors.
206         * cfgcleanup.c: Update tree_pass descriptors.
207         * tree-ssa-pre.c: Update tree_pass descriptors.
208         * tree-sra.c: Update tree_pass descriptors.
209         * tree-mudflap.c: Update tree_pass descriptors.
210         * tree-ssa-copy.c: Update tree_pass descriptors.
211         * cfglayout.c: Update tree_pass descriptors.
212         * tree-ssa-forwprop.c: Update tree_pass descriptors.
213         * tree-ssa-dce.c: Update tree_pass descriptors.
214         * tree-ssa.c: Update tree_pass descriptors.
215         * regclass.c: Update tree_pass descriptors.
216         * integrate.c: Update tree_pass descriptors.
217         * tree-optimize.c: Update tree_pass descriptors.
218         * tree-ssa-phiprop.c: Update tree_pass descriptors.
219         * tree-object-size.c: Update tree_pass descriptors.
220         * combine.c: Update tree_pass descriptors.
221         * tree-outof-ssa.c: Update tree_pass descriptors.
222         * bb-reorder.c: Update tree_pass descriptors.
223         * stack-ptr-mod.c: Update tree_pass descriptors.
224         * var-tracking.c: Update tree_pass descriptors.
225         * tree-profile.c: Update tree_pass descriptors.
226         * tree-vect-generic.c: Update tree_pass descriptors.
227         * reg-stack.c: Update tree_pass descriptors.
228         * sched-rgn.c: Update tree_pass descriptors.
229         * tree-ssa-structalias.c: Update tree_pass descriptors.
230         * tree-cfg.c: Update tree_pass descriptors.
231         * passes.c (current_pass): Update declaration.
232         (finish_optimization_passes): Update.
233         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
234         (register_one_dump_file, register_dump_files_1, next_pass_1):
235         Update arguments.
236         (init_optimization_passes): Update handling of new types.
237         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
238         * ipa-struct-reorg.c: Update tree_pass descriptors.
239         * tree-ssa-reassoc.c: Update tree_pass descriptors.
240         * combine-stack-adj.c: Update tree_pass descriptors.
241         * cfgrtl.c: Update tree_pass descriptors.
242         * dce.c: Update tree_pass descriptors.
243         * tree-ssanames.c: Update tree_pass descriptors.
244
245 2008-03-19  Richard Guenther  <rguenther@suse.de>
246
247         PR middle-end/35609
248         * tree-ssa.c (always_executed): New global flag.
249         (warn_uninitialized_var): If !always_executed warn with "maybe"
250         instead of "is".
251         (execute_early_warn_uninitialized): Compute post-dominators.
252         Initialize always_executed before processing each basic block.
253
254 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
255
256         PR target/35504
257         * config/i386/i386.c (x86_this_parameter): Calculate correct location
258         of "this" pointer when "regparm = N" or "fastcall" is in effect.
259
260 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
261
262         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
263
264 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
265
266         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
267         is true.
268         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
269         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
270         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
271         target after ignore has been set, and move there also the commputation
272         of subtarget and original_target.
273         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
274         (LANG_HOOKS_INITIALIZER): Remove it.
275         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
276
277 2008-03-18  Richard Guenther  <rguenther@suse.de>
278
279         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
280         found an expression with constants, note that in the VN for the lhs.
281         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
282         fold them to constants if possible.  Run cleanup_cfg if done so.
283         (execute_pre): Return todo.
284         (do_pre): Likewise.
285         (execute_fre): Likewise.
286         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
287         of constants.
288         (get_prop_source_stmt): Look through pointer conversions.
289
290 2008-03-18  Jan Hubicka  <jh@suse.cz>
291
292         * tree-pretty-print.c: Include predict.h.
293         (dump_generic_node): Dump predictor.
294         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
295         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
296         * gimple-low.c (lower_stmt): Likewise.
297         * expr.c (expand_expr_real): Likewise.
298         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
299         them.
300         (build_predict_expr, build_predict_expr): New.
301         * predict.h (predictor_name, build_predict_expr): Update.
302         * c-typeck.c (c_finish_bc_stmt): Add prediction.
303         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
304         * predict.def (PRED_CONTINUE): Update hitrate.
305         * tree.def (PREDICT_EXPR): Define.
306         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
307         do not handle BIND_EXPR.
308         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
309         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
310         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
311         operands.
312
313 2008-03-18  Michael Matz  <matz@suse.de>
314
315         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
316
317 2008-03-18  Richard Guenther  <rguenther@suse.de>
318
319         * tree-gimple.h (is_gimple_invariant_address): Declare.
320         (is_gimple_constant): Likewise.
321         * tree-gimple.c (is_gimple_constant): New function.
322         (is_gimple_invariant_address): Likewise.
323         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
324         and is_gimple_invariant_address.
325         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
326         previous change.
327         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
328         an addressable base.
329
330 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
331
332         PR middle-end/35611
333         * gimplify.c (gimplify_expr): Gimplify second operand of
334         OMP_ATOMIC_LOAD.
335
336 2008-03-17  Richard Guenther  <rguenther@suse.de>
337
338         PR tree-optimization/19637
339         * fold-const.c (fold_unary): Remove restrictions of removing
340         intermediate pointer-conversions (P2)(P1)P0.
341         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
342         conversion to void pointer.
343         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
344
345 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
346
347         PR debug/31510
348         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
349         emulated thread local variables.
350
351 2008-03-16  Richard Guenther  <rguenther@suse.de>
352
353         PR middle-end/35607
354         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
355         expand TREE_INVARIANT operations that are not gimple invariant.
356
357 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
358
359         * doc/extend.texi (Alignment): Say that the ABI controls
360         the __alignof__ for non-strict-alignment targets rather
361         than being a recommendation.
362
363 2008-03-15  Paul Brook  <paul@codesourcery.com>
364
365         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
366         annotations.
367         (arm_output_fn_unwind): Mark functions that can not be unwound.
368
369 2008-03-15  Paul Brook  <paul@codesourcery.com>
370
371         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
372         extension instructions.
373
374 2008-03-15  Richard Guenther  <rguenther@suse.de>
375
376         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
377         and fold constant aggregate refs.
378         (fold_const_aggregate_ref): Handle string constants
379         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
380         (evaluate_stmt): Simplify now that ccp_fold folds constant
381         aggregate refs.
382
383 2008-03-15  Paul Brook  <paul@codesourcery.com>
384
385         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
386         (extzv): Use gen_extzv_t2.
387         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
388
389 2008-03-15  Richard Guenther  <rguenther@suse.de>
390
391         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
392         (fold_const_aggregate_ref): Likewise.
393         (get_value): Return NULL if we don't have any values.
394         (ccp_finalize): Set const_val to NULL after freeing it.
395         * tree-flow.h (get_symbol_constant_value): Declare.
396         (fold_const_aggregate_ref): Likewise.
397         * tree-ssa-sccvn.c (try_to_simplify): Use them.
398
399 2008-03-15  Richard Guenther  <rguenther@suse.de>
400
401         PR middle-end/35593
402         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
403         to not produce negative array indices if not allowed.  Add
404         parameter to indicate that.
405         (maybe_fold_offset_to_component_ref): Allow negative array
406         indices only for the first member of a structure.
407         (maybe_fold_offset_to_reference): Allow negative array indices.
408         (maybe_fold_stmt_addition): Likewise.
409
410 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
411             Anatoly Sokolov <aesok@post.ru>
412
413         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
414         (avr_arch): Add ARCH_AVR6.
415         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
416         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
417         instead of fixed value 2.
418         (print_operand_address): Use gs() asm specifier instead of pm().
419         (avr_assemble_integer): (Ditto.).
420         (avr_output_addr_vec_elt): (Ditto.).
421         (print_operand): Handle "!" code.
422         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
423         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
424         (AVR_HAVE_EIJMP_EICALL): Define.
425         (AVR_3_BYTE_PC): Redefine.
426         (AVR_2_BYTE_PC): (Ditto.).
427         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
428         (LINK_SPEC): Add atmega2560 and atmega2561.
429         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
430         (crtm2561.o).
431         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
432         for 3 byte PC devices.
433         (call_value_insn): (Ditto.).
434         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
435         (indirect_jump): Use only for for 2 byte PC devices.
436         (*tablejump): (Ditto.).
437         (*indirect_jump_avr6): Add insn.
438         (*tablejump_rjmp): Don't use for 3 byte PC devices.
439         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
440         instead of ijmp for 3 byte PC devices.
441         (__tablejump2__): (Ditto.).
442         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
443         (MULITLIB_DIRNAMES): (Ditto.). 
444         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
445
446 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
447
448         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
449         "sse2_umulsidi3".  Use V1DI mode for operand 0.
450         ("mmx_psadbw"): Use V1DI mode for operand 0.
451         * config/i386/i386-modes.def (V1SI): New vector mode.
452         * config/i386/i386.c (struct builtin_description)
453         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
454         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
455         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
456         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
457         v1di_ftype_v8qi_v8qi type.
458         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
459
460         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
461         __builtin_ia32_pmuludq]: Fix the mode of return value.
462
463 2008-03-15  Richard Guenther  <rguenther@suse.de>
464
465         PR middle-end/35595
466         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
467         being a PHI_NODE.
468
469 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
470         
471         * doc/invoke.texi (Option Summary, Xtensa Options): Document
472         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
473         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
474         unless TARGET_SERIALIZE_VOLATILE is enabled.
475         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
476         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
477         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
478
479 2008-03-14  Richard Guenther  <rguenther@suse.de>
480
481         PR tree-optimization/34172
482         * tree-flow.h (refs_may_alias_p): Declare.
483         (get_single_def_stmt): Likewise.
484         (get_single_def_stmt_from_phi): Likewise.
485         (get_single_def_stmt_with_phi): Likewise.
486         * tree-dfa.c (refs_may_alias_p): New function.
487         (get_single_def_stmt): Likewise.
488         (get_single_def_stmt_from_phi): Likewise.
489         (get_single_def_stmt_with_phi): Likewise.
490         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
491         (vn_reference_lookup_1): New helper function.
492         (vn_reference_lookup): Walk the virtual use-def chain to
493         continue searching for a match if the def does not alias the
494         reference we are looking for.
495
496 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
497
498         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
499         archive and Perzl.  Update The Written Word listing.
500
501 2008-03-14  Richard Guenther  <rguenther@suse.de>
502
503         PR tree-optimization/34043
504         PR tree-optimization/33989
505         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
506         when doing FRE.
507         (bitmap_find_leader): Use extra argument to verify dominance
508         relationship inside a basic-block.
509         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
510         (find_leader_in_sets): Adjust.
511         (create_component_ref_by_pieces): Take extra argument for
512         dominance check, handle lookup failures.
513         (find_or_generate_expression): Likewise.
514         (create_expression_by_pieces): Likewise.
515         (insert_into_preds_of_block): Adjust.
516         (create_value_expr_from): If asked for, verify all operands
517         are in the blocks AVAIL_OUT set.
518         (make_values_for_stmt): Check for SSA_NAMEs that are life
519         over an abnormal edge.
520         (compute_avail): Remove such check.
521         (do_SCCVN_insertion): New function.
522         (eliminate): If we do not find a leader suitable for replacement
523         insert a replacement expression from SCCVN if available.
524         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
525         (struct vn_ssa_aux): Add needs_insertion flag.
526         * tree-ssa-sccvn.c (may_insert): New global flag.
527         (copy_reference_ops_from_ref): Value-number union member access
528         based on its size, not type and member if insertion is allowed.
529         (visit_reference_op_load): For a weak match from union type
530         punning lookup a view-converted value and insert a SSA_NAME
531         for that value if that is not found.
532         (visit_use): Make dumps shorter.  Do not disallow value numbering
533         SSA_NAMEs that are life over an abnormal edge to constants.
534         (free_scc_vn): Release inserted SSA_NAMEs.
535         (run_scc_vn): New flag to specify whether insertion is allowed.
536         Process SSA_NAMEs in forward order.
537         * tree-ssa-loop-im.c (for_each_index): Handle invariant
538         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
539         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
540         pointer type to/from integral types that do not change the
541         precision to regular conversions.
542
543 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
544
545         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
546         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
547         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
548         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
549         input arguments and the mode of return value.  Built-in functions
550         that operate on whole 64-bit MMX register now use V1DI mode.
551
552 2008-03-13  Alon Dayan  <alond@il.ibm.com>
553             Olga Golovanevsky  <olga@il.ibm.com>
554
555         PR tree-optimization/35041
556         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
557         to locate the right position in a statement.
558
559 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
560
561         PR target/34000
562         PR target/35553
563         * config/i386/xmmintrin.h:  Change all static inline functions to
564         extern inline and add __gnu_inline__ attribute.
565         * config/i386/bmintrin.h: Ditto.
566         * config/i386/smmintrin.h: Ditto.
567         * config/i386/tmmintrin.h: Ditto.
568         * config/i386/mmintrin-common.h: Ditto.
569         * config/i386/ammintrin.h: Ditto.
570         * config/i386/emmintrin.h: Ditto.
571         * config/i386/pmmintrin.h: Ditto.
572         * config/i386/mmintrin.h: Ditto.
573         * config/i386/mm3dnow.h: Ditto.
574
575 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
576
577         PR middle-end/35185
578         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
579         (lower_omp_2): New function.
580         (lower_omp_1, lower_omp): Rewritten.
581
582 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
583
584         PR 35054
585         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
586         with the phrase "Microsoft Windows compilers".
587         (Push/Pop Macro Pragmas): New subsection. Document
588         #pragma push_macro and pragma pop_macro.
589
590 2008-03-12  Paul Brook  <paul@codesourcery.com>
591
592         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
593
594 2008-03-12  Paul Brook  <paul@codesourcery.com>
595
596         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
597         (thumb2_alusi3_short): Exclude PLUS and MINUS.
598         (thumb2_addsi_shortim): Rename ...
599         (thumb2_addsi_short): ... to this.  Allow register operands.
600         (thumb2_subsi_short): New pattern.
601         (thumb2_one_cmplsi2_short,
602         thumb2_negsi2_short): New patterns and peepholes.
603
604 2008-03-12  Paul Brook  <paul@codesourcery.com>
605
606         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
607
608 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
609
610         * config/i386/i386.md (int_cond): New code iterator.
611         (fp_cond): Ditto.
612         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
613         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
614         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
615         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
616         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
617         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
618         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
619         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
620
621 2008-03-12  Paul Brook  <paul@codesourcery.com>
622
623         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
624         instead of {arm,thumb}_compute_save_reg_mask.
625         (output_return_instruction): Ditto.
626         (thumb_unexpanded_epilogue): Ditto.
627         (thumb1_expand_prologue): Ditto.
628         (thumb1_output_function_prologue): Ditto.
629         (arm_set_return_address): Ditto.
630         (thumb_set_return_address): Ditto.
631         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
632         regs to achieve stack alignment.
633         (thumb1_compute_save_reg_mask): Fix compiler warning.
634         (arm_output_epilogue): Use offsets->saved_regs_mask.
635         Adjust stack pointer by poping call clobered registers.
636         (arm_expand_prologue): Use offsets->saved_regs_mask.
637         Adjust stack pointer by pushing extra registers.
638         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
639
640 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
641
642         PR tree-opt/35422
643         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
644         conversion to the operands of a multiplication.
645
646 2008-03-12  Richard Guenther  <rguenther@suse.de>
647
648         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
649         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
650         * timevar.def (TV_TREE_PHIPROP): Add.
651         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
652         pass description.  Use TV_TREE_PHIPROP.
653         * tree-ssa-forwprop.c: Remove phiprop code.
654
655 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
656
657         PR middle-end/35549
658         * omp-low.c (maybe_lookup_decl): Constify first argument.
659         (use_pointer_for_field): Change last argument from bool to
660         omp_context *.  Disallow shared copy-in/out in nested
661         parallel if decl is shared in outer parallel too.
662         (build_outer_var_ref, scan_sharing_clauses,
663         lower_rec_input_clauses, lower_copyprivate_clauses,
664         lower_send_clauses, lower_send_shared_vars): Adjust callers.
665
666 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
667             Ira Rosen  <irar@il.ibm.com>
668
669         * tree-vectorizer.c (free_stmt_vec_info): New function.
670         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
671         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
672         * tree-vectorizer.h (free_stmt_vec_info): Declare.
673         * tree-vect-transform.c (vectorizable_conversion): Free
674         vec_oprnds0 if it was allocated.
675         (vect_permute_store_chain): Remove unused VECs.
676         (vectorizable_store): Free VECs that are allocated in the..
677         function.
678         (vect_transform_strided_load, vectorizable_load): Likewise.
679         (vect_remove_stores): Simplify the code.
680         (vect_transform_loop): Move code to vect_remove_stores().
681         Call vect_remove_stores() and free_stmt_vec_info().
682
683 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
684
685         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
686         TARGET_HPUX.  Revise comment.
687         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
688         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
689         Use sr4 variant of `be' instruction when not generating PIC code.
690         (attr_length_call): Adjust for above change.
691
692 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
693
694         * ipa-reference.c (static_execute): Remove module_statics_const and
695         associated setting code.
696
697 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
698
699         PR target/35540
700         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
701         predicate for operand 1.
702         (paritysi2_cmp): Use register_operand predicate for operand 2.
703         Use earlyclobber modifier for operand 1.  Remove support for
704         memory operands.
705         (paritydi2_cmp): Use register_operand predicate for operand 3.
706         Use earlyclobber modifier for operand 1.  Remove support for
707         memory operands.
708
709 2008-03-11  Paul Brook  <paul@codesourcery.com>
710             Vladimir Prus  <vladimir@codesourcery.com>
711
712         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
713         (arm_compute_save_reg0_reg12_mask): Always
714         check if register 11 must be saved.  Always safe hard frame pointer
715         when frame_pointer_needeed.
716         (arm_compute_save_reg_mask): Save IP and PC
717         only with apcs frames.
718         (arm_output_epilogue): Adjust Thumb2 codepath to
719         be also invoked and work for ARM non-apcs frames.
720         (arm_expand_prologue): Don't bother saving IP
721         for non-apcs frame, since it's not clobbered by
722         prologue code.  Implement non-apcs frame
723         layout.
724
725 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
726
727         PR rtl-optimization/35281
728         * expr.c (convert_move): Use a new pseudo for the intermediate
729         from_mode->word_mode result.
730
731 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
732
733         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
734         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
735         * toplev.c (compile_file): Don't call it.
736
737 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
738
739         PR middle-end/35526
740         * expr.c (store_expr): Call emit_block_move if the mode
741         of "temp" RTX is BLKmode.
742
743 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
744             Richard Guenther  <rguenther@suse.de>
745
746         PR tree-optimization/31358
747         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
748         the step with a NULL_TREE.
749         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
750         to sizetype if type is a pointer type.
751         (add_candidate_1): Don't convert the base and step to
752         the generic type if the orginal type is a pointer type.
753         (add_iv_value_candidates): Use sizetype for the step
754         if type is a pointer type.
755         (cand_value_at): Likewise.
756         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
757         for pointer types.
758         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
759         Don't convert the tem affine to the type.
760         (add_elt_to_tree): Use sizetype for the step if a pointer.
761         Use POINTER_PLUS_EXPR for pointers.
762         (aff_combination_to_tree): Use sizetype for the step if a
763         pointer.
764
765 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
766
767         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
768         Remove commutativity hint.
769
770 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
771
772         PR c/35438
773         PR c/35439
774         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
775         errorneous type.  Check that v is a VAR_DECL.
776
777         PR middle-end/35099
778         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
779
780 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
781
782         PR tree-optimization/35494
783         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
784         may be overriden at link and run time.
785
786 2008-03-10  Richard Guenther  <rguenther@suse.de>
787
788         PR tree-optimization/34677
789         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
790         (poolify_tree): Likewise.
791         (modify_expr_template): Likewise.
792         (poolify_modify_stmt): Likewise.
793         (insert_fake_stores): Handle all component-ref style stores
794         in addition to INDIRECT_REF.  Also handle complex types.
795         Do not poolify the inserted load.
796         (realify_fake_stores): Do not rebuild the tree but only
797         make it a SSA_NAME copy.
798         (init_pre): Remove initialzation of modify_expr_template.
799         Do not allocate modify_expr_node_pool.
800         (fini_pre): Do not free modify_expr_node_pool.
801
802 2008-03-10  Paul Brook  <paul@codesourcery.com>
803
804         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
805         to avoid conflicts.
806
807 2008-03-10  Paul Brook  <paul@codesourcery.com>
808             Mark Shinwell  <shinwell@codesourcery.com>
809
810         * config/arm/cortex-r4.md: New.
811         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
812         insn attributes.
813         * config/arm/arm.md: Include cortex-r4.md.
814         (insn): Add smmls, sdiv and udiv values.
815         (generic_sched): Don't use generic scheduling for Cortex-R4.
816         (arm_issue_rate): New function.
817         (TARGET_SCHED_ISSUE_RATE): Define.
818
819 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
820
821         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
822
823 2008-03-10  Richard Guenther  <rguenther@suse.de>
824
825         * tree-ssa-pre.c (get_sccvn_value): Simplify.
826         (compute_avail): Do not add stmt uses to AVAIL_OUT.
827
828 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
829
830         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
831         Set default to true.
832
833 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
834
835         * c.opt (Wsynth): Deprecate.
836         * doc/invoke.texi (Option Summary, Warning Options): Document
837         -Wno-format-contains-nul.
838
839 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
840
841         PR target/35496
842         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
843         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
844
845 2008-03-09  Ira Rosen  <irar@il.ibm.com>
846
847         * config/rs6000/rs6000.c (builtin_description): Rename vector
848         left shift operations.
849         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
850         (altivec_vsl<VI_char>): Rename to ...
851         (ashl<mode>3): ... new name.
852         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
853         gen_ashlv4si3.
854         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
855
856 2008-03-08  Richard Guenther  <rguenther@suse.de>
857
858         * coverage.h (tree_coverage_counter_addr): Declare.
859         * coverage.c (tree_coverage_counter_addr): New function.
860         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
861         before using again.
862         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
863         (tree_gen_one_value_profiler): Likewise.
864         (tree_gen_ic_profiler): Likewise.
865         (tree_gen_average_profiler): Likewise.
866         (tree_gen_ior_profiler): Likewise.
867
868 2008-03-08  Richard Guenther  <rguenther@suse.de>
869
870         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
871         (vn_binary_op_insert): Likewise.
872         (vn_unary_op_lookup): Likewise.
873         (vn_unary_op_insert): Likewise.
874         (vn_nary_op_lookup): Declare.
875         (vn_nary_op_insert): Likewise.
876         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
877         and binary hashes, use a single obstack for unary_op_pool
878         and binary_op_pool.
879         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
880         a single struct vn_nary_op_s.  Store tree code length and
881         a variable number of operands.
882         (struct vn_reference_op_struct): Remove unused op2.
883         (vn_reference_op_eq): Do not compare op2.
884         (vn_reference_op_compute_hash): Do not compute hash of op2.
885         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
886         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
887         with vn_nary_op_compute_hash.
888         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
889         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
890         vn_nary_op_lookup.
891         (vn_unary_op_insert, vn_binary_op_insert): Replace with
892         vn_nary_op_insert.
893         (visit_unary_op): Call nary functions.
894         (visit_binary_op): Likewise.
895         (process_scc): Adjust for struct vn_tables_s changes.
896         (allocate_vn_table): Likewise.
897         (free_vn_table): Likewise.
898         * tree-vn.c (vn_add): Call nary functions.
899         (vn_lookup): Likewise.
900
901 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
902
903         PR target/35498
904         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
905         wdst back after sync_compare_and_swapqhi_internal.
906
907 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
908
909         PR target/22152
910         * config/i386/i386-modes.def (V1DI): New vector mode.
911         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
912         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
913         (MMXMODE248): Ditto.
914         (MMXMODE): Add V1DI mode.
915         (mmxvecsize): Change DI mode to V1DI mode.
916         ("mov<mode>): Use MMXMODEI8 mode iterator.
917         ("*mov<mode>_internal_rex64"): Ditto.
918         ("*mov<mode>_internal"): Ditto.
919         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
920         ("mmx_sub<mode>3"): Ditto.
921         ("mmx_adddi3"): Remove insn pattern.
922         ("mmx_subdi3"): Ditto.
923         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
924         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
925         ("mmx_ashl<mode>3"): Ditto.
926         ("mmx_lshrdi3"): Remove insn pattern.
927         ("mmx_ashldi3"): Ditto.
928         * config/i386/i386.c (classify_argument): Handle V1DImode.
929         (function_arg_advance_32): Ditto.
930         (function_arg_32): Ditto.
931         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
932         mmx_addv1di3 insn pattern.
933         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
934         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
935         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
936         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
937         Remove definitions of built-in functions.
938         (V1DI_type_node): New node.
939         (v1di_ftype_v1di_int): Ditto.
940         (v1di_ftype_v1di_v1di): Ditto.
941         (v2si_ftype_v2si_si): Ditto.
942         (v4hi_ftype_v4hi_di): Remove node.
943         (v2si_ftype_v2si_di): Ditto.
944         (ix86_init_mmx_sse_builtins): Handle V1DImode.
945         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
946         Redefine builtins using def_builtin_const with *_ftype_*_int node.
947         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
948         Add new builtins using def_builtin_const.
949         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
950         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
951         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
952         * config/i386/mmintrin.h (__v1di): New typedef.
953         (_mm_add_si64): Cast arguments to __v1di type.
954         (_mm_sub_si64): Ditto.
955         (_mm_sll_pi16): Cast __count to __v4hi type.
956         (_mm_sll_pi32): Cast __count to __v2si type.
957         (_mm_sll_si64): Cast arguments to __v1di type.
958         (_mm_srl_pi16): Cast __count to __v4hi type.
959         (_mm_srl_pi32): Cast __count to __v2si type.
960         (_mm_srl_si64): Cast arguments to __v1di type.
961         (_mm_sra_pi16): Cast __count to __v4hi type.
962         (_mm_sra_pi32): Cast __count to __v2si type.
963         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
964         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
965         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
966         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
967         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
968         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
969         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
970         (_mm_srai_pi32): Use __builtin_ia32_psradi.
971         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
972         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
973         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
974         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
975
976 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
977
978         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
979
980 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
981
982         PR target/35373
983         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
984         reg+const addressing for Altivec modes.  Don't generate reg+reg
985         addressing for TFmode or TDmode quantities.
986
987 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
988
989         * c-common.c (vector_types_convertible_p): Call langhook
990         instead of comptypes.
991
992 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
993
994         PR tree-opt/35402
995         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
996         integral and scalar float variables which have a
997         NULL DECL_INITIAL.
998
999 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
1000
1001         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
1002         dwarf_register_span hook when emitting unwind information for
1003         register-to-memory saves.
1004         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
1005         (rs6000_frame_related): Remove call to spe_synthesize_frame.
1006
1007 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
1008
1009         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
1010         for the same VAR_DECL.
1011
1012 2008-03-06  Tom Tromey  <tromey@redhat.com>
1013
1014         * treelang: Delete.
1015         * doc/standards.texi (Standards): Don't mention treelang.
1016         * doc/invoke.texi (Overall Options): Don't mention treelang.
1017         * doc/install.texi (Prerequisites): Don't mention bison or
1018         treelang.
1019         (Configuration): Don't mention treelang.
1020         (Building): Likewise.
1021         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
1022
1023 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
1024
1025         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
1026         word-extractions out of a multi-word object.
1027
1028 2008-03-06  Richard Guenther  <rguenther@suse.de>
1029
1030         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
1031         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
1032         result type and precision.
1033         * expr.c (get_inner_reference): Set unsignedp based on the result
1034         type of BIT_FIELD_REF.
1035         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
1036         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
1037         (try_instantiate_multiple_fields): Likewise.  Use the correct type
1038         for BIT_FIELD_REF.
1039         (sra_build_assignment): Likewise.
1040         (sra_build_elt_assignment): Likewise.
1041         (sra_explode_bitfield_assignment): Likewise.
1042         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
1043         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
1044         set BIT_FIELD_REF_UNSIGNED.
1045         (vectorizable_load): Likewise.
1046
1047 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
1048
1049         * cse.c (cse_extended_basic_block): Invalidate artificial defs
1050         at bb start.
1051
1052 2008-03-06  Richard Guenther  <rguenther@suse.de>
1053
1054         * alias.c (struct alias_set_entry): Move has_zero_child field
1055         to pack with alias_set.
1056
1057 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1058
1059         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1060         32bit host.
1061
1062 2008-03-05  Ian Lance Taylor  <iant@google.com>
1063
1064         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
1065
1066 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
1067
1068         * fwprop.c (update_df): Support width and offset parameters of
1069         df_ref_create.
1070         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
1071         global_conflicts): Change DF_REF_EXTRACT to either
1072         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1073         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1074         * df-scan.c (df_ref_record, df_defs_record,
1075         df_ref_create_structure, df_def_record_1, df_uses_record,
1076         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
1077         df_bb_refs_collect, df_entry_block_defs_collect,
1078         df_exit_block_uses_collect): Support new width and offset fields.
1079         (ref_extract_pool): New storage pool.
1080         (df_free_ref): New function.
1081         (df_reg_chain_unlink, df_free_collection_rec,
1082         df_sort_and_compress_refs): Call df_free_ref.
1083         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
1084         of df_ref_extract.
1085         (df_ref_create_structure): Allocate df_ref_extract if offset and
1086         width fields are used.
1087         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
1088         (df_uses_record): Get offset and width from ZERO_EXTRACT 
1089         and SIGN_EXTRACT.
1090         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
1091         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1092         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1093         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
1094         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1095         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1096         (df_ref_extract): New structure.
1097         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
1098         (df_ref_create): Add width and offset parameters.
1099         
1100 2008-03-05  Richard Guenther  <rguenther@suse.de>
1101
1102         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1103         Use ranges_overlap_p.
1104         (offset_overlaps_with_access): Rename
1105         to ranges_overlap_p and move ...
1106         * tree-flow-inline.h (ranges_overlap_p): ... here.
1107
1108         * tree.h (get_inner_reference, handled_component_p): Update
1109         comments.
1110
1111         * tree.h (record_component_aliases, get_alias_set,
1112         alias_sets_conflict_p, alias_sets_must_conflict_p,
1113         objects_must_conflict_p): Move declarations ...
1114         * alias.h (record_component_aliases, get_alias_set,
1115         alias_sets_conflict_p, alias_sets_must_conflict_p,
1116         objects_must_conflict_p): ... here.
1117         Include coretypes.h.
1118         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
1119
1120 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
1121
1122         * cfg.c: Include tree-flow.h.
1123         (remove_edge_raw): Call redirect_edge_var_map_clear.
1124         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
1125         * tree-flow-inline.h (redirect_edge_var_map_def): New.
1126         (redirect_edge_var_map_result): New.
1127         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
1128         PENDING_STMT use with redirect_edge_var_map_*.
1129         * tree-ssa.c (edge_var_maps): New definition.
1130         (redirect_edge_var_map_add): New.
1131         (redirect_edge_var_map_clear): New.
1132         (redirect_edge_var_map_dup): New.
1133         (redirect_edge_var_map_vector): New.
1134         (redirect_edge_var_map_destroy): New.
1135         (ssa_redirect_edge): Replace PENDING_STMT use with
1136         redirect_edge_var_map_*.
1137         (flush_pending_stmts): Same.
1138         (delete_tree_ssa): Destroy edge var map.
1139         * tree-flow.h (struct _edge_var_map): New.
1140         Define edge_var_map vector type.
1141         Declare redirect_edge_var_map_* prototypes.
1142         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
1143         * tree-cfg.c (reinstall_phi_args): Replace
1144         PENDING_STMT use with redirect_edge_var_map_*.
1145
1146 2008-03-05  Richard Guenther  <rguenther@suse.de>
1147
1148         PR tree-optimization/35472
1149         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
1150         whose single use_stmt has a overlapping set of loaded and
1151         stored symbols as that use_stmt might be a noop assignment then.
1152
1153 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
1154
1155         * gthr-rtems.h: Implement __gthread_mutex_destroy.
1156
1157 2008-03-05  Richard Guenther  <rguenther@suse.de>
1158
1159         PR c++/35336
1160         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
1161         should be constants.
1162         * tree-cfg.c (verify_expr): Verify it.
1163         * fold-const.c (fold_truthop): Remove code generating
1164         BIT_FIELD_REFs of structure bases.
1165         (fold_binary): Likewise.
1166         (fold_ternary): Position and size of BIT_FIELD_REFs are
1167         always host integers.
1168         (make_bit_field_ref): Remove.
1169         (optimize_bit_field_compare): Remove.
1170         (all_ones_mask_p): Remove.
1171
1172 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
1173
1174         PR gcc/33009
1175         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
1176         (split_block_and_df_analyze): New. Split basic block and rebuild
1177         dataflow.
1178         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
1179         SPLIT_BLOCK.
1180         (split_pattern_seq): Likewise.
1181         (erase_matching_seqs): Likewise.
1182         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
1183
1184 2008-03-04  Geoff Keating  <geoffk@apple.com>
1185
1186         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
1187         declaration and code.
1188         (tree_invalid_nonnegative_warnv_p): Likewise.
1189
1190 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
1191
1192         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
1193         examples.  Truncate option-names then causing overfull hbox.
1194
1195 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1196
1197         PR target/35222
1198         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
1199         on hpux10.
1200         * configure: Rebuilt.
1201
1202 2008-03-04  Rafael Espindola  <espindola@google.com>
1203
1204         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
1205         (tree_unary_nonnegative_warnv_p): New.
1206         (tree_binary_nonnegative_warnv_p): New.
1207         (tree_single_nonnegative_warnv_p): New.
1208         (tree_invalid_nonnegative_warnv_p): New.
1209         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
1210
1211 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1212
1213         PR 28322
1214         * opts.c (handle_option): Postpone 'unknown option' errors only for
1215         warning options.
1216
1217 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
1218
1219         PR target/35453
1220         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
1221         (_SIDD_XXX): This.
1222
1223 2008-03-04  Rafael Espindola  <espindola@google.com>
1224
1225         * fold-const.c (tree_unary_nonzero_warnv_p): New.
1226         (tree_binary_nonzero_warnv_p): New.
1227         (tree_single_nonzero_warnv_p): New.
1228         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
1229
1230 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
1231
1232         PR middle-end/35456
1233         * fold-const.c (fold_cond_expr_with_comparison): Prevent
1234         transformations for modes that have signed zeros.
1235         * ifcvt.c (noce_try_abs): Ditto.
1236
1237 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
1238
1239         * config/i386/i386.c (override_options): Force
1240         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
1241
1242 2008-03-04  Jan Hubicka  <jh@suse.cz>
1243
1244         PR c++/35262
1245         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
1246         in last commit.
1247
1248 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
1249
1250         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
1251         label to probe the stack.
1252
1253 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
1254
1255         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
1256         (__gthr_win32_mutex_destroy): Declare.
1257         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
1258         __gthr_win32_mutex_destroy.
1259         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
1260
1261 2008-03-03  Jan Hubicka  <jh@suse.cz>
1262
1263         PR c++/35262
1264         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
1265         aggressive on inlining cold calls.
1266
1267 2008-03-03  Richard Guenther  <rguenther@suse.de>
1268
1269         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
1270         struct copies into the expression table.
1271         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
1272         (try_to_simplify): Likewise.
1273         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
1274         integral and pointer arguments which do not change the
1275         precision to NOP_EXPRs.
1276         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
1277         VIEW_CONVERT_EXPR case.
1278
1279 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1280
1281         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
1282         defined in a loop at depth 0 is invariant.
1283         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
1284         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
1285         be called at loop depth 0.
1286
1287 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
1288
1289         PR driver/35420
1290         * gcc.c (process_command): Update copyright notice dates.
1291         * gcov.c (print_version): Likewise.
1292         * gcov-dump.c (print_version): Likewise.
1293         * mips-tfile.c (main): Likewise.
1294         * mips-tdump.c (main): Likewise.
1295
1296 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1297
1298         PR 24924
1299         * c-common.c (flag_permissive): Delete.
1300         (constant_expression_warnings): Check flags first.
1301         (constant_expression_error): New.
1302         * c-common.h (flag_permissive): Delete.
1303         (constant_expression_error): Declare.
1304         * flags.h (flag_permissive): Declare. Update description.
1305         * diagnostic.c (pedwarn): Update.
1306         (permerror): New.
1307         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
1308         (permissive_error_kind): New.
1309         * toplev.c (flag_permissive): Define. Update description.
1310         * toplev.h (permissive_error_kind): Declare.
1311         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
1312         (pedwarn_c90): Use pedantic_warning_kind.
1313         * c-opts.c (c_common_post_options): flag_permissive does not affect
1314         flag_pedantic_errors.
1315
1316 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
1317
1318         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
1319         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
1320         __absvsi2, __absvDI2): Use unsigned arithmetic.
1321
1322 2008-03-02  Andi Kleen  <ak@suse.de>
1323             Richard Guenther  <rguenther@suse.de>
1324
1325         * struct-equiv.c: Remove file.
1326         * cfg_cleanup.c (condjump_equiv_p): Remove.
1327         * Makefile.in (OBJS-common): Remove struct-equiv.o.
1328         (struct-equiv.o): Remove rule.
1329         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
1330         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
1331         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
1332
1333 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1334
1335         * ifcvt.c (noce_process_if_block): Try to handle only the then
1336         block if the else block exists but isn't suitable.
1337
1338 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
1339
1340         PR gcc/35063
1341         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
1342         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
1343         regression from previous patch.
1344
1345 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
1346
1347         PR gcc/35063
1348         * gthr.h: Add __gthread_mutex_destroy as a function that must be
1349         implemented.
1350         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
1351         * gthr-single.h (__gthread_mutex_destroy): Likewise.
1352         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
1353         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
1354         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
1355         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
1356         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
1357         (__gthread_mutex_destroy_function): Rename to
1358         __gthread_mutex_destroy.
1359         * gthr-dce.h (__gthread_mutex_destroy): Call
1360         pthread_mutex_destroy.
1361         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
1362         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
1363         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
1364
1365 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1366
1367         * df-scan.c (df_ref_chain_change_bb): Simplify.
1368         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
1369         set_block_for_insn if there's any change.
1370         * df.h ((df_insn_change_bb): Fix prototype.
1371         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
1372         df_insn_change_bb, don't call set_block_for_insn.
1373         * emit-rtl.c (reorder_insns): Likewise.
1374         * haifa-sched.c (move_insn): Likewise.
1375
1376 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1377
1378         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
1379
1380 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1381
1382         * tree-flow-inline.h (next_readonly_imm_use): Return
1383         NULL_USE_OPERAND_P after the end.
1384
1385 2008-03-01  Richard Guenther  <rguenther@suse.de>
1386
1387         PR tree-optimization/35411
1388         * tree-sra.c (sra_build_assignment): Split conversion to
1389         final type to a separate statement if we are not assigning
1390         to a register.
1391
1392 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1393
1394         * fold-const.c (fold_convertible_p): Correct the logic to follow
1395         that in fold_convert().
1396
1397 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
1398
1399         PR c++/35315
1400         * tree-inline.c (build_duplicate_type): When we make a
1401         duplicate type, make it unique in the canonical types system.
1402
1403 2008-02-29  Tom Tromey  <tromey@redhat.com>
1404
1405         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
1406         input_file_stack_history, input_file_stack_restored): Remove.
1407         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1408         * input.h (struct file_stack): Remove.
1409         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1410         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
1411         Likewise.
1412         * diagnostic.h (struct diagnostic_context) <last_module>: Change
1413         type.
1414         (diagnostic_last_module_changed): Add 'map' argument.
1415         (diagnostic_set_last_function): Likewise.
1416         * diagnostic.c (undiagnostic_report_current_module): Iterate using
1417         line map, not input_file_stack.
1418         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
1419
1420 2008-02-29  Paul Brook  <paul@codesourcery.com>
1421
1422         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
1423
1424 2008-02-29  Paul Brook  <paul@codesourcery.com>
1425
1426         * config/arm/ieee754-df.S (muldf3): Use RET macros.
1427
1428 2008-02-29  Richard Guenther  <rguenther@suse.de>
1429
1430         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
1431         vn_lookup_or_add.
1432         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
1433         value for comparing for a store match.
1434         (simplify_unary_expression): Do nothing for SSA_NAMEs.
1435         (try_to_simplify): Do not do a full-blown reference lookup.
1436
1437 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
1438
1439         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
1440         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1441
1442         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
1443
1444 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
1445
1446         * tree-loop-linear.c (try_interchange_loops): Compare memory access
1447         strides against cache sizes.
1448
1449 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
1450
1451         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
1452         constant to fpul.
1453
1454 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
1455
1456         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
1457         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
1458         is smaller than the original promoted value.
1459         (simplify_subreg): If OP is a SUBREG, try to preserve its
1460         SUBREG_PROMOTED_VAR_P information.
1461
1462 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
1463
1464         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
1465         (VN_INFO_GET): Allocate new objects on the obstack.
1466         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
1467         for rpo_numbers_temp, for consistency.
1468         (free_scc_vn): Free the obstack.
1469
1470 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
1471
1472         * doc/invoke.texi: Document -ftree-loop-distribution.
1473         * tree-loop-distribution.c: New.
1474         * tree-pass.h (pass_loop_distribution): New.
1475         * graphds.h (struct graph): Add htab_t indices.
1476         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
1477         * tree-vectorizer.c (rename_variables_in_loop): Extern.
1478         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
1479         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
1480         * tree-data-ref.c (debug_data_dependence_relations): New.
1481         (dump_data_dependence_relation): Also print data references.
1482         (free_data_ref): Extern.
1483         (same_access_functions): Moved...
1484         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
1485         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1486         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
1487         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
1488         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
1489         (stmts_from_loop): Skip LABEL_EXPR.
1490         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
1491         New.
1492         (build_rdg): Initialize rdg->indices htab.
1493         (free_rdg, stores_from_loop, ref_base_address,
1494         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
1495         have_similar_memory_accesses_1, ref_base_address_1,
1496         remove_similar_memory_refs): New.
1497         * tree-data-ref.h: Depend on tree-chrec.h.
1498         (debug_data_dependence_relations, free_data_ref): Declared.
1499         (same_access_functions): ... here.
1500         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
1501         New.
1502         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
1503         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
1504         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
1505         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1506         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
1507         rdg_vertex_for_stmt): Declared.
1508         (struct rdg_edge): Add level.
1509         (RDGE_LEVEL): New.
1510         (free_rdg, stores_from_loop, remove_similar_memory_refs,
1511         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
1512         Declared.
1513         (rdg_has_similar_memory_accesses): New.
1514         * tree-vect-analyze.c: Remove unused static decls.
1515         * lambda.h (dependence_level): New.
1516         * common.opt (ftree-loop-distribution): New.
1517         * tree-flow.h (mark_virtual_ops_in_bb, 
1518         slpeel_tree_duplicate_loop_to_edge_cfg,
1519         rename_variables_in_loop): Declared.
1520         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
1521         (OBJS-common): Add tree-loop-distribution.o.
1522         (tree-loop-distribution.o): New rule.
1523         * tree-cfg.c (mark_virtual_ops_in_bb): New.
1524         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
1525         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
1526
1527 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
1528
1529         PR target/33963
1530         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
1531         other than structures and unions.
1532
1533 2008-02-28  Richard Guenther  <rguenther@suse.de>
1534
1535         Revert:
1536         2008-02-26  Richard Guenther  <rguenther@suse.de>
1537
1538         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1539         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1540         (lookup_decl_from_uid): Declare.
1541         (remove_decl_from_map): Likewise.
1542         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1543         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1544         (decl_for_uid_map): New global hashtable mapping DECL_UID
1545         to the decl tree.
1546         (init_ttree): Allocate it.
1547         (insert_decl_to_uid_decl_map): New helper function.
1548         (make_node_stat): Insert new decls into the map.
1549         (copy_node_stat): Likewise.
1550         (lookup_decl_from_uid): New function.
1551         (remove_decl_from_map): Likewise.
1552         (print_decl_for_uid_map_statistics): New helper.
1553         (dump_tree_statistics): Call it.
1554
1555         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1556         (referenced_var_iterator): Adjust.
1557         (FOR_EACH_REFERENCED_VAR): Adjust.
1558         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1559         (num_referenced_vars): Adjust.
1560         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1561         (first_referenced_var): Remove.
1562         (end_referenced_vars_p): Likewise.
1563         (next_referenced_var): Likewise.
1564         (referenced_var_iterator_set): New helper function.
1565         * tree-dfa.c (referenced_var_lookup): Adjust.
1566         (referenced_var_check_and_insert): Likewise.
1567         (remove_referenced_var): Likewise.
1568         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1569         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1570         (verify_call_clobbering): Likewise.
1571         (verify_memory_partitions): Likewise.
1572         (init_tree_ssa): Allocate bitmap instead of hashtable for
1573         referenced_vars.
1574         (delete_tree_ssa): Adjust.
1575         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1576         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1577         (compute_tag_properties): Likewise.
1578         (set_initial_properties): Likewise.
1579         (find_partition_for): Likewise.
1580         (update_reference_counts): Likewise.
1581         (dump_may_aliases_for): Likewise.
1582         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1583         (add_call_clobber_ops): Likewise.
1584         (add_call_read_ops): Likewise.
1585         (get_asm_expr_operands): Likewise.
1586         * tree-into-ssa.c (dump_decl_set): Likewise.
1587         (update_ssa): Likewise.
1588         * tree-sra.c (scan_function): Likewise.
1589         (decide_instantiations): Likewise.
1590         (scalarize_parms): Likewise.
1591         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1592         (dsa_named_for): Likewise.
1593         * tree-ssa-structalias.c (update_alias_info): Likewise.
1594         (merge_smts_into): Likewise.
1595
1596 2008-02-27  David Daney  <ddaney@avtrex.com>
1597
1598         PR target/34409
1599         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
1600         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
1601         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
1602         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
1603         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
1604
1605 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
1606
1607         PR target/25477
1608         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
1609         (BUILT_IN_NEXTTOWARD): Remove.
1610         (BUILT_IN_NEXTTOWARDF): Ditto.
1611         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
1612         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
1613
1614 2008-02-27  Tom Tromey  <tromey@redhat.com>
1615
1616         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
1617         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
1618
1619 2008-02-27  Jan Beulich  <jbeulich@novell.com>
1620
1621         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
1622         update the respective field on newdecl.
1623
1624 2008-02-27  Revital Eres  <eres@il.ibm.com>
1625
1626         PR rtl-optimization/34999
1627         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
1628         crossing edges that ends with a call insn.
1629         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
1630         call insn and clear the EDGE_CROSSING flag of the crossing edge
1631         when fixing fallthru edges.
1632
1633 2008-02-27  Richard Guenther  <rguenther@suse.de>
1634
1635         PR middle-end/35390
1636         * fold-const.c (fold_unary): Return the correct argument,
1637         converted to the result type.
1638
1639 2008-02-27  Richard Guenther  <rguenther@suse.de>
1640
1641         PR middle-end/34971
1642         * expr.c (expand_expr_real_1): Assert on rotates that operate
1643         on partial modes.
1644         * fold-const.c (fold_binary): Use the types precision, not the
1645         bitsize of the mode if folding rotate expressions.  Build rotates
1646         only for full modes.
1647
1648 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
1649
1650         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
1651         and CPP_PRAGMA_EOL.
1652         * c-pragma.c (pragma_ns_name): New typedef.
1653         (registered_pp_pragmas): New variable.
1654         (c_pp_lookup_pragma): New function.
1655         (c_register_pragma_1): If flag_preprocess_only, do nothing
1656         for non-expanded pragmas, for expanded ones push pragma's
1657         namespace and name into registered_pp_pragmas vector.
1658         (c_invoke_pragma_handler): Register OpenMP pragmas even when
1659         flag_preprocess_only, don't register GCC pch_preprocess
1660         pragma if flag_preprocess_only.
1661         * c-opts.c (c_common_init): Call init_pragma even if
1662         flag_preprocess_only.
1663         * c-pragma.c (c_pp_lookup_pragma): New prototype.
1664         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
1665         cpp_register_pragma if flag_preprocess_only.
1666
1667 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1668
1669         PR c/28800
1670         * c-parser.c (c_parser_translation_unit): Warn for empty
1671         translation unit, not empty source file.
1672
1673 2008-02-26  Paul Brook  <paul@codesourcery.com>
1674
1675         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
1676         operand for Thumb-2.
1677         * config/arm/arm.h (reg_class): Add CORE_REGS.
1678         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
1679         (BASE_REG_CLASS): Use CORE_REGS.
1680         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
1681         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
1682         (REGNO_OK_FOR_INDEX_P): Exclude SP.
1683         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
1684         ARM_REGNO_OK_FOR_INDEX_P.
1685         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
1686         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
1687         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
1688         (ldm/stm peepholes): Ditto.
1689         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
1690         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
1691         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
1692         * config/arm/constraints.md: Enable "k" constraint on ARM.
1693
1694 2008-02-27  Ben Elliston  <bje@au.ibm.com>
1695
1696         * config/rs6000/rs6000.c: Annotate cache line size field in all
1697         instances of struct processor_costs.
1698
1699 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
1700
1701         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
1702         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
1703         jump_bypass): New counters.
1704         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
1705         * dce.c (gate_ud_dce): Same.
1706         (gate_fast_dce): Same.
1707         * dse.c (gate_dse1): New function.
1708         (gate_dse2): New function.
1709         (gate_dse): Merge results of new gate functions.
1710         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
1711         (gate_handle_jump_bypass): Add dbg_cnt.
1712         (gate_handle_gcse): Add dbg_cnt.
1713         * ifcvt.c (gate_handle_if_conversion): Same.
1714         (gate_handle_if_after_combine): Same.
1715         (gate_handle_if_after_reload): Same.
1716         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
1717
1718 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
1719
1720         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
1721         line sizes.
1722         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
1723
1724 2008-02-26  Jason Merrill  <jason@redhat.com>
1725
1726         PR c++/35315
1727         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
1728         alone if it's the naming decl for the type's main variant.
1729
1730 2008-02-26  Tom Tromey  <tromey@redhat.com>
1731
1732         * system.h (USE_MAPPED_LOCATION): Poison.
1733         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
1734         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
1735         (make_goto_expr_edges): Likewise.
1736         (remove_bb): Likewise.
1737         (execute_warn_function_return): Likewise.
1738         * basic-block.h (struct edge_def) <goto_locus>: Change type to
1739         location_t.
1740         * c-common.c (fname_decl): Remove old location code.
1741         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
1742         location code.
1743         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
1744         variant.
1745         (ASM_INPUT_SOURCE_LOCATION): Likewise.
1746         (gen_rtx_ASM_INPUT): Likewise.
1747         (gen_rtx_ASM_INPUT_loc): Likewise.
1748         (get_rtx_asm_OPERANDS): Remove.
1749         * cfglayout.c (insn_locators_alloc): Remove old location code.
1750         (set_curr_insn_source_location): Likewise.
1751         (curr_insn_locator): Likewise.
1752         * print-tree.c (print_node): Remove old location code.
1753         * tree-mudflap.c (mf_varname_tree): Remove old location code.
1754         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
1755         * cfgexpand.c (expand_gimple_cond_expr): Don't use
1756         location_from_locus.
1757         (construct_exit_block): Remove old location code.
1758         * emit-rtl.c (force_next_line_note): Remove old location code.
1759         * profile.c (branch_prob): Remove old location code.
1760         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
1761         LOC_LINE): Remove old-location variants.
1762         * langhooks.c (lhd_print_error_function): Remove old location
1763         code.
1764         * configure, config.in: Rebuilt.
1765         * configure.ac (--enable-mapped-location): Remove.
1766         * c-decl.c (c_init_decl_processing): Remove old location code.
1767         (finish_function): Likewise.
1768         * recog.c (decode_asm_operands): Remove old location code.
1769         * c-pch.c (c_common_read_pch): Remove old location code.
1770         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
1771         variants.
1772         * gimple-low.c (lower_function_body): Remove old location code.
1773         * toplev.c (unknown_location): Remove.
1774         (push_srcloc): Remove old-location variant.
1775         (process_options): Remove old location code.
1776         (lang_dependent_init): Likewise.
1777         * input.h (UNKNOWN_LOCATION): Move definition.
1778         (location_t): Undeprecate.
1779         (source_locus): Remove.
1780         (location_from_locus): Remove.
1781         (struct location_s): Remove.
1782         Remove all old-location code.
1783         (input_line, input_filename): Remove.
1784         * final.c (final_scan_insn): Remove old location code.
1785         * diagnostic.c (diagnostic_build_prefix): Remove
1786         USE_MAPPED_LOCATION test.
1787         * tree.h (gimple_stmt) <locus>: Now a location_t.
1788         (tree_exp) <locus>: Likewise.
1789         (DECL_IS_BUILTIN): Remove old-location variant.
1790         (annotate_with_file_line, annotate_with_locus): Likewise.
1791         (expr_locus, set_expr_locus): Update.
1792         * tree.c (build1_stat): Remove old location code.
1793         (last_annotated_node): Remove.
1794         (annotate_with_file_line): Remove old-location variant.
1795         (annotate_with_locus): Likewise.
1796         (expr_location): Remove old location code.
1797         (set_expr_location): Likewise.
1798         (expr_has_location): Likewise.
1799         (expr_locus): Likewise.
1800         (set_expr_locus): Likewise.
1801         (expr_filename): Don't use location_from_locus.
1802         (expr_lineno): Likewise.
1803         * rtl-error.c (location_for_asm): Remove old location code.
1804         * c-lex.c (cb_line_change): Remove old location code.
1805         (fe_file_change): Likewise.
1806         (cb_def_pragma): Likewise.
1807         (c_lex_with_flags): Likewise.
1808         * gengtype.c (do_typedef): Don't special-case location types.
1809         (define_location_structures): Remove.
1810         (main): Don't call define_location_structures.
1811         * tree-pretty-print.c (dump_implicit_edges): Remove old location
1812         code.
1813
1814 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1815
1816         PR 26264
1817         * builtins.def (BUILT_IN_STDARG_START): Remove.
1818         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
1819         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
1820         * tree-inline.c (inline_forbidden_p_1): Likewise.
1821         
1822 2008-02-26  Richard Guenther  <rguenther@suse.de>
1823
1824         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1825         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1826         (lookup_decl_from_uid): Declare.
1827         (remove_decl_from_map): Likewise.
1828         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1829         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1830         (decl_for_uid_map): New global hashtable mapping DECL_UID
1831         to the decl tree.
1832         (init_ttree): Allocate it.
1833         (insert_decl_to_uid_decl_map): New helper function.
1834         (make_node_stat): Insert new decls into the map.
1835         (copy_node_stat): Likewise.
1836         (lookup_decl_from_uid): New function.
1837         (remove_decl_from_map): Likewise.
1838         (print_decl_for_uid_map_statistics): New helper.
1839         (dump_tree_statistics): Call it.
1840
1841         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1842         (referenced_var_iterator): Adjust.
1843         (FOR_EACH_REFERENCED_VAR): Adjust.
1844         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1845         (num_referenced_vars): Adjust.
1846         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1847         (first_referenced_var): Remove.
1848         (end_referenced_vars_p): Likewise.
1849         (next_referenced_var): Likewise.
1850         (referenced_var_iterator_set): New helper function.
1851         * tree-dfa.c (referenced_var_lookup): Adjust.
1852         (referenced_var_check_and_insert): Likewise.
1853         (remove_referenced_var): Likewise.
1854         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1855         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1856         (verify_call_clobbering): Likewise.
1857         (verify_memory_partitions): Likewise.
1858         (init_tree_ssa): Allocate bitmap instead of hashtable for
1859         referenced_vars.
1860         (delete_tree_ssa): Adjust.
1861         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1862         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1863         (compute_tag_properties): Likewise.
1864         (set_initial_properties): Likewise.
1865         (find_partition_for): Likewise.
1866         (update_reference_counts): Likewise.
1867         (dump_may_aliases_for): Likewise.
1868         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1869         (add_call_clobber_ops): Likewise.
1870         (add_call_read_ops): Likewise.
1871         (get_asm_expr_operands): Likewise.
1872         * tree-into-ssa.c (dump_decl_set): Likewise.
1873         (update_ssa): Likewise.
1874         * tree-sra.c (scan_function): Likewise.
1875         (decide_instantiations): Likewise.
1876         (scalarize_parms): Likewise.
1877         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1878         (dsa_named_for): Likewise.
1879         * tree-ssa-structalias.c (update_alias_info): Likewise.
1880         (merge_smts_into): Likewise.
1881
1882 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1883
1884         PR 34351
1885         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
1886         * c-opts.c (c_common_handle_option): Wall enables
1887         Wvolatile-register-var.
1888         * common.opt: Move Wvolatile-register-var to...
1889         * c.opt: ...here.
1890         
1891 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1892
1893         * common.opt (Wlarger-than=): New.
1894         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
1895         -Wlarger-than=.
1896         * opts.c (common_handle_option): Handle -Wlarger-than=.
1897         * optc-gen.awk: Likewise.
1898         * opth-gen.awk: Likewise.
1899         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
1900         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1901         
1902 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1903
1904         * c-common.c (match_case_to_enum_1): Add appropriate
1905         OPT_W* parameter to warning.
1906         (c_do_switch_warnings): Likewise.
1907         * c-typeck.c (warning_init): Add one more parameter following
1908         'warning' function.
1909         (push_init_level): Update call to warning_init.
1910         (pop_init_level): Likewise.
1911         (add_pending_init): Likewise.
1912         (output_init_element: Likewise.
1913
1914 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1915
1916         PR 28322
1917         * toplev.c (toplev_main): If there are warnings or error, print
1918         errors for ignored options.
1919         * opts.c (ignored_options): New static variable.
1920         (postpone_unknown_option_error): New.
1921         (print_ignored_options): New.
1922         (handle_option): Postpone errors for unknown -Wno-* options.
1923         * opts.h (print_ignored_options): Declare.
1924         
1925 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1926
1927         * config/mips/mips.md (loadgp_blockage, blockage): Change type
1928         to "ghost".
1929
1930 2008-02-25  Richard Guenther  <rguenther@suse.de>
1931
1932         Revert:
1933         2008-02-25  Richard Guenther  <rguenther@suse.de>
1934
1935         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1936         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1937         (lookup_decl_from_uid): Declare.
1938         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1939         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1940         (decl_for_uid_map): New global hashtable mapping DECL_UID
1941         to the decl tree.
1942         (init_ttree): Allocate it.
1943         (insert_decl_to_uid_decl_map): New helper function.
1944         (make_node_stat): Insert new decls into the map.
1945         (copy_node_stat): Likewise.
1946         (lookup_decl_from_uid): New function.
1947         (print_decl_for_uid_map_statistics): New helper.
1948         (dump_tree_statistics): Call it.
1949
1950         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1951         (referenced_var_iterator): Adjust.
1952         (FOR_EACH_REFERENCED_VAR): Adjust.
1953         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1954         (num_referenced_vars): Adjust.
1955         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1956         (first_referenced_var): Remove.
1957         (end_referenced_vars_p): Likewise.
1958         (next_referenced_var): Likewise.
1959         (referenced_var_iterator_set): New helper function.
1960         * tree-dfa.c (referenced_var_lookup): Adjust.
1961         (referenced_var_check_and_insert): Likewise.
1962         (remove_referenced_var): Likewise.
1963         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1964         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1965         (verify_call_clobbering): Likewise.
1966         (verify_memory_partitions): Likewise.
1967         (init_tree_ssa): Allocate bitmap instead of hashtable for
1968         referenced_vars.
1969         (delete_tree_ssa): Adjust.
1970         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1971         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1972         (compute_tag_properties): Likewise.
1973         (set_initial_properties): Likewise.
1974         (find_partition_for): Likewise.
1975         (update_reference_counts): Likewise.
1976         (dump_may_aliases_for): Likewise.
1977         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1978         (add_call_clobber_ops): Likewise.
1979         (add_call_read_ops): Likewise.
1980         (get_asm_expr_operands): Likewise.
1981         * tree-into-ssa.c (dump_decl_set): Likewise.
1982         (update_ssa): Likewise.
1983         * tree-sra.c (scan_function): Likewise.
1984         (decide_instantiations): Likewise.
1985         (scalarize_parms): Likewise.
1986         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1987         (dsa_named_for): Likewise.
1988         * tree-ssa-structalias.c (update_alias_info): Likewise.
1989         (merge_smts_into): Likewise.
1990
1991 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1992
1993         PR fortran/29549
1994         * doc/invoke.texi (-fcx-limited-range): Document new option.
1995         * toplev.c (process_options): Handle -fcx-fortran-rules.
1996         * common.opt: Add documentation for -fcx-fortran-rules.
1997
1998 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1999
2000         PR c/35162
2001         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
2002         actual behaviour and C99.
2003         
2004 2008-02-26  Ben Elliston  <bje@au.ibm.com>
2005
2006         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
2007         (ASM_CPU_POWER6_SPEC): Likewise.
2008         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
2009         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
2010         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
2011
2012 2008-02-25  Richard Guenther  <rguenther@suse.de>
2013
2014         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2015         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2016         (lookup_decl_from_uid): Declare.
2017         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2018         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2019         (decl_for_uid_map): New global hashtable mapping DECL_UID
2020         to the decl tree.
2021         (init_ttree): Allocate it.
2022         (insert_decl_to_uid_decl_map): New helper function.
2023         (make_node_stat): Insert new decls into the map.
2024         (copy_node_stat): Likewise.
2025         (lookup_decl_from_uid): New function.
2026         (print_decl_for_uid_map_statistics): New helper.
2027         (dump_tree_statistics): Call it.
2028
2029         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2030         (referenced_var_iterator): Adjust.
2031         (FOR_EACH_REFERENCED_VAR): Adjust.
2032         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2033         (num_referenced_vars): Adjust.
2034         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2035         (first_referenced_var): Remove.
2036         (end_referenced_vars_p): Likewise.
2037         (next_referenced_var): Likewise.
2038         (referenced_var_iterator_set): New helper function.
2039         * tree-dfa.c (referenced_var_lookup): Adjust.
2040         (referenced_var_check_and_insert): Likewise.
2041         (remove_referenced_var): Likewise.
2042         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2043         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2044         (verify_call_clobbering): Likewise.
2045         (verify_memory_partitions): Likewise.
2046         (init_tree_ssa): Allocate bitmap instead of hashtable for
2047         referenced_vars.
2048         (delete_tree_ssa): Adjust.
2049         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2050         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2051         (compute_tag_properties): Likewise.
2052         (set_initial_properties): Likewise.
2053         (find_partition_for): Likewise.
2054         (update_reference_counts): Likewise.
2055         (dump_may_aliases_for): Likewise.
2056         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2057         (add_call_clobber_ops): Likewise.
2058         (add_call_read_ops): Likewise.
2059         (get_asm_expr_operands): Likewise.
2060         * tree-into-ssa.c (dump_decl_set): Likewise.
2061         (update_ssa): Likewise.
2062         * tree-sra.c (scan_function): Likewise.
2063         (decide_instantiations): Likewise.
2064         (scalarize_parms): Likewise.
2065         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2066         (dsa_named_for): Likewise.
2067         * tree-ssa-structalias.c (update_alias_info): Likewise.
2068         (merge_smts_into): Likewise.
2069
2070 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
2071
2072         PR target/35258
2073         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
2074         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
2075         * alias.h (nonoverlapping_memrefs_p): Likewise.
2076
2077 2008-02-25  Jan Beulich  <jbeulich@novell.com>
2078
2079         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
2080         * config/i386/netware-libgcc.exp: Add __bswap?i2,
2081         __emultls_get_address, __emultls_register_common,
2082         __floatundi?f, and _Unwind_GetIPInfo.
2083         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
2084         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
2085         (gen_regparm_prefix): Likewise.
2086         (i386_nlm_encode_section_info): Sync with
2087         config/i386/winnt.c:i386_pe_encode_section_info().
2088         (i386_nlm_maybe_mangle_decl_assembler_name): New.
2089         i386_nlm_mangle_decl_assembler_name): New.
2090         (netware_override_options): New.
2091         * config/i386/netware.h (netware_override_options): Declare.
2092         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
2093         (i386_nlm_mangle_decl_assembler_name): Declare.
2094         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
2095
2096 2008-02-25  Ben Elliston  <bje@au.ibm.com>
2097
2098         PR other/32948
2099         * c-decl.c (grokdeclarator): Remove unused local variables
2100         `typedef_type' and `type_as_written'.
2101         * bb-reorder.c
2102         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
2103         unused local variable `has_hot_blocks'.
2104         (fix_crossing_conditional_branches): Remove unused local variable
2105         `prev_bb'.
2106         
2107 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
2108
2109         PR middle-end/19984
2110         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
2111         using DEF_C99_BUILTIN.
2112         (BUILT_IN_NANF): Ditto.
2113         (BUILT_IN_NANL): Ditto.
2114
2115 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
2116             Revital Eres  <eres@il.ibm.com>
2117
2118         * modulo-sched.c (calculate_must_precede_follow): Address TODO
2119         regarding the order of two dependent insns in the same row.
2120
2121 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
2122
2123         * stor-layout.c (layout_decl): Do not bump the alignment of a
2124         bit-field to more than byte alignment if it is packed.
2125
2126 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
2127
2128         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
2129         e300c2 and e300c3.
2130
2131 2008-02-24  Diego Novillo  <dnovillo@google.com>
2132
2133         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
2134
2135         PR 33738
2136         * tree-vrp.c (vrp_evaluate_conditional): With
2137         -Wtype-limits, emit a warning when comparing against a
2138         constant outside the natural range of OP0's type.
2139         * c.opt (Wtype-limits): Move ...
2140         * common.opt (Wtype-limits): ... here.
2141
2142 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
2143
2144         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
2145         * config/rs6000/e300c2c3.md: New file.
2146         * config/rs6000/rs6000.c (processor_costs): Add new costs for
2147         e300c2 and e300c3.
2148         (rs6000_override_options): Add e300c2 and e300c3 cases to
2149         processor_target_table. Do not allow usage of Altivec or Spe
2150         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
2151         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
2152         * config/rs6000/rs6000.h (processor_type): Add
2153         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
2154         (ASM_CPU_SPEC): Add e300c2 and e300c3.
2155         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
2156         and ppce300c3. Include e300c2c3.md.
2157
2158 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
2159
2160         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
2161         instead of TARGET_STRICT_ALIGN.
2162
2163 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
2164
2165         * explow.c (memory_address): Assert that the generated address is
2166         valid.
2167
2168 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2169
2170         PR target/25477
2171         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
2172         * config/darwin-ppc-ldouble-patch.def: New file.
2173         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
2174         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
2175         SUBTARGET_INIT_BUILTINS if defined.
2176         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
2177         New functions.
2178
2179 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2180
2181         PR rtl-opt/33512
2182         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
2183         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
2184
2185 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2186
2187         PR pch/35027
2188         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
2189         file" warning condtional on -Winvalid-PCH.
2190
2191 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
2192
2193         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
2194
2195 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
2196
2197         PR target/22076
2198         PR target/34256 
2199         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
2200         prevent reload from using MMX registers.
2201         (*mov<mode>_internal): Ditto.
2202         (*movv2sf_internal_rex64): Ditto.
2203         (*movv2sf_internal): Ditto.
2204
2205 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2206
2207         PR documentation/31569
2208         * doc/install.texi2html: Use makeinfo --no-number-sections.
2209
2210 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2211
2212         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
2213         ensure that we can address an entire entity > 8 bytes.  Don't
2214         generate reg+reg addressing for such data.
2215
2216 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2217
2218         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
2219         strings when optimizing for size, unless the target cares about
2220         alignment.
2221
2222 2008-02-22  Tom Tromey  <tromey@redhat.com>
2223
2224         * regclass.c (current_pass): Remove declaration.
2225
2226 2008-02-22  Anatoly Sokolov <aesok@post.ru>
2227
2228         * config/avr/libgcc.S (__RAMPZ__): Define.
2229         (__do_copy_data): Add for devices with 128KB code memory.
2230
2231 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2232
2233         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2234         Use spe_abi.
2235         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
2236
2237 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
2238
2239         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
2240         GENNONACR_REGS.
2241
2242 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2243
2244         PR c/19999
2245         * c-typeck.c (build_binary_op): Warn about floating point
2246         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
2247
2248 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
2249
2250         PR target/34526
2251         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
2252         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
2253         add vrsave.
2254         (rs6000_override_options): Set altivec_abi as default, not override,
2255         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
2256         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
2257         is used; use new member spe_abi.
2258         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
2259         spe_abi and altivec_abi.
2260
2261 2008-02-22  Tomas Bily  <tbily@suse.cz>
2262
2263         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
2264
2265 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2266
2267         PR bootstrap/35273
2268         * config.build (build_file_translate): Set to `CMD //c' only if
2269         it works.
2270         * Makefile.in (build_file_translate): Improve comment.
2271
2272 2008-02-21  Jan Hubicka  <jh@suse.cz>
2273
2274         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
2275         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
2276         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
2277
2278 2008-02-21  Michael Matz  <matz@suse.de>
2279
2280         PR target/35264
2281         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
2282
2283 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
2284
2285         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
2286         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
2287         as insn constraint.
2288         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
2289         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
2290         SSE_VEC_FLOAT_MODE_P as insn constraint.
2291         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
2292         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
2293         sse4a_movntdf using MODEF mode iterator.
2294         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
2295         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
2296         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
2297         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
2298         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
2299         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
2300         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
2301
2302 2008-02-21  Richard Guenther  <rguenther@suse.de>
2303
2304         * tree.def (PAREN_EXPR): New tree code.
2305         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
2306         and PAREN_EXPR.
2307         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
2308         * expr.c (expand_expr_real_1): Likewise.
2309         * tree-inline.c (estimate_num_insns_1): Likewise.
2310         * tree-complex.c (expand_complex_move): Likewise.
2311         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
2312         as plain x.
2313
2314 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2315
2316         PR target/35225
2317         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
2318
2319 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2320
2321         PR target/35190
2322         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
2323
2324         * config/sh/sh.c (find_barrier): Don't go past
2325         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
2326
2327 2008-02-20  DJ Delorie  <dj@redhat.com>
2328
2329         * config/h8300/h8300.md (insv): Force source operand to be a register.
2330
2331         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
2332         as a jump, not as a plain insn.
2333         
2334 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
2335
2336         * doc/invoke.texi (Warning Options): Add new option
2337         -Wframe-larger-than=.
2338         (-Wframe-larger-than): Document.
2339
2340         * flags.h (warn_frame_larger_than, frame_larger_than_size):
2341         Add declarations for new option variables.
2342
2343         * final.c (final_start_function): Check the frame size
2344         before emission and issue a Wframe-larger-than warning.
2345
2346         * opts.c (warn_frame_larger_than, frame_larger_than_size):
2347         Add definitions for new option variables.
2348         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
2349
2350         * common.opt (Wframe-larger-than=): New option.
2351
2352 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
2353
2354         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
2355         (<sse>_div<mode>3): Ditto.
2356         (<sse>_vmdiv<mode>3): Ditto.
2357         (<sse>_vmsqrt<mode>2): Ditto.
2358         (*smax<mode>3): Ditto.
2359         (sse5_frcz<mode>2): Ditto.
2360         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
2361         as insn constraint.
2362
2363 2008-02-20  Richard Guenther  <rguenther@suse.de>
2364
2365         PR middle-end/35265
2366         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
2367         be happy with INTEGRAL_TYPE_P.
2368
2369 2008-02-20  Richard Guenther  <rguenther@suse.de>
2370
2371         * fold-const.c (split_tree): Associate floatig-point expressions
2372         if flag_associative_math is set.
2373
2374 2008-02-20  Richard Guenther  <rguenther@suse.de>
2375
2376         * tree.h (fold_real_zero_addition_p): Declare.
2377         * fold-const.c (fold_real_zero_addition_p): Export.
2378         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
2379         floating-point operations with zero and one.
2380
2381 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
2382
2383         * doc/install.texi: Correct references to CFLAGS, replacing them
2384         with BOOT_CFLAGS.  Document flags used during bootstrap for
2385         target libraries.
2386                                 
2387 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
2388
2389         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
2390         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
2391         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
2392         insn constraint.
2393         (smin<mode>3): Ditto from similar patterns.
2394         (smax<mode>3): Ditto.
2395         (*ieee_smin<mode>3): Ditto.
2396         (*ieee_smax<mode>3): Ditto.
2397         * config/i386/sse.md (sse): New mode attribute.
2398         (mov<mode>): Macroize expander from movv4sf and movv2df using
2399         SSEMODEF2P mode iterator.
2400         (<sse>_movnt<mode>): Ditto from similar patterns. Use
2401         SSE_VEC_FLOAT_MODE_P as insn constraint.
2402         (storent<mode>): Ditto.
2403         (storent<mode>): Macroize expander from storentsf and storentdf using
2404         MODEF mode iterator.
2405         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
2406         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
2407         (abs<mode>2): Ditto from similar patterns.
2408         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
2409         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
2410         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
2411         (<sse>_vmsqrt<mode>2): Ditto.
2412         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
2413         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
2414         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
2415         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
2416         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
2417         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
2418         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
2419         insn constraint.
2420         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
2421         iterator and SSE_FLOAT_MODE_P as insn constraint.
2422         (<sse>_ucomi): Ditto from similar patterns.
2423         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
2424         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
2425         SSE_VEC_FLOAT_MODE_P as insn constraint.
2426         (vcond<mode>): Ditto from similar patterns.
2427         (and<mode>3, *and<mode>3): Ditto.
2428         (<sse>_nand<mode>3): Ditto.
2429         (ior<mode>3, *ior<mode>3): Ditto.
2430         (xor<mode>3, *xor<mode>3): Ditto.
2431         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
2432         iterator and SSE_FLOAT_MODE_P as insn constraint.
2433         (*nand<mode>3): Ditto from similar patterns.
2434         (*ior<mode>3): Ditto.
2435         (*xor<mode>3): Ditto.
2436
2437 2008-02-20  Ira Rosen  <irar@il.ibm.com>
2438
2439         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
2440         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
2441         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
2442
2443 2008-02-19  Jan Hubicka  <jh@suse.cz>
2444
2445         * predict.c (tree_bb_level_predictions): Remove variable next
2446         mistakely introduced by previous commit.
2447
2448 2008-02-19  Jan Hubicka  <jh@suse.cz>
2449
2450         * predict.c (predict_paths_leading_to): Rewrite.
2451         (predict_paths_for_bb): New.
2452         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
2453
2454 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2455
2456         PR bootstrap/35218
2457         * Makefile.in (build_file_translate): New.
2458         (gcc-vers.texi): Use it for translating $(abs_srcdir).
2459         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
2460         * configure.ac (build_file_translate): Substitute it.
2461         * configure: Regenerate.
2462
2463 2008-02-19  Jan Hubicka  <jh@suse.cz>
2464
2465         PR rtl-optimization/34408
2466         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
2467         invalid sharing.
2468
2469 2008-02-19  Jan Hubicka  <jh@suse.cz>
2470
2471         PR middle-end/28779
2472         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
2473         call_expr.
2474
2475 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
2476
2477         PR Ada/35186
2478         * config/i386/i386-modes.def: Revert the last DI alignment
2479         change until Ada people can look into it.
2480
2481 2008-02-19  Nick Clifton  <nickc@redhat.com>
2482
2483         * opts.c (print_specific_help): Fix typo in --help text.
2484
2485 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
2486
2487         PR target/35239
2488         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
2489         32-bit inline asm without asm alternatives for host GCC < 3.0.
2490
2491 2008-02-19  Richard Guenther  <rguenther@suse.de>
2492
2493         PR tree-optimization/34989
2494         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
2495         Allow propagation to INDIRECT_REF if we can simplify only.
2496
2497 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2498
2499         * c-common.c (warn_for_collisions_1): Use appropriate option when
2500         warning.
2501
2502 2008-02-19  Nick Clifton  <nickc@redhat.com>
2503
2504         PR other/31349
2505         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
2506         (handle_options): Fix indentation.
2507         (print_filtered_help): If no language-specific options were
2508         displayed tell the user how to list all the options supported by
2509         the language's front-end.
2510         (print_specific_help): Fix indentation and remove duplicate line.
2511         (common_handle_option): Handle the -v option.
2512         For --help enable the display of undocumented options if the -v
2513         switch has been included on the command line.
2514         For --help= check for overlaps in the arguments between the option
2515         classes and the language names and issue a warning when they
2516         cannot be disambiguated.
2517         * c.opt (v): Pass on to the common option handler.
2518
2519 2008-02-19  Revital Eres  <eres@il.ibm.com> 
2520
2521         * modulo-sched.c (sms_schedule): Change dump message when
2522         create_ddg function fails.
2523         (try_scheduling_node_in_cycle): Rename row to cycle.
2524         (print_partial_schedule): Rename CYCLE to ROW.
2525
2526 2008-02-19  Christian Bruel  <christian.bruel@st.com>
2527             Zdenek Dvorak  <ook@ucw.cz>
2528
2529         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
2530
2531 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
2532
2533         PR target/33555
2534         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
2535         (*x86_movdicc_0_m1_se): Ditto.
2536
2537 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
2538
2539         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
2540         (CMPtype): Define as __gcc_CMPtype.
2541         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
2542         (CMPtype): Define as __gcc_CMPtype.
2543
2544 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
2545
2546         Support valgrind 3.3 for --enable-checking=valgrind.
2547         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
2548         here.
2549         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
2550         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
2551         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
2552         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
2553         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
2554         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
2555         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
2556         respectively.
2557         * ggc-zone.c: Similar.
2558         * ggc-page.c: Similar.
2559
2560 2008-02-19  Paul Brook  <paul@codesourcery.com>
2561
2562         PR target/35071
2563         * config/arm/ieee754-df.S: Fix do_it typo.
2564         * config/arm/ieee754-sf.S: Fix do_it typo.
2565
2566 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2567
2568         PR target/35189
2569         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
2570         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
2571         (OPTION_MASK_ISA_SSE_SET): Likewise.
2572         (OPTION_MASK_ISA_SSE2_SET): Likewise.
2573         (OPTION_MASK_ISA_SSE3_SET): Likewise.
2574         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
2575         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
2576         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
2577         (OPTION_MASK_ISA_SSE4_SET): Likewise.
2578         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
2579         (OPTION_MASK_ISA_SSE5_SET): Likewise.
2580         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
2581         (OPTION_MASK_ISA_MMX_UNSET): Updated.
2582         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
2583         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
2584         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
2585         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
2586         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
2587         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
2588         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
2589         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
2590         (OPTION_MASK_ISA_SSE4): Removed.
2591         (ix86_handle_option): Turn on bits in ix86_isa_flags and
2592         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
2593         (override_options): Don't turn on implied SSE/MMX bits in
2594         ix86_isa_flags.
2595
2596 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2597
2598         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2599         32bit host.
2600
2601 2008-02-18  Joey Ye  <joey.ye@intel.com>
2602
2603         PR middle-end/34921
2604         * tree-nested.c (insert_field_into_struct): Set type alignment
2605         to field alignment if the former is less than the latter.
2606
2607 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
2608
2609         * BASE-VER: Set to 4.4.0.
2610
2611 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2612
2613         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
2614         * doc/cfg.texi: Likewise.
2615         * doc/extend.texi: Likewise.
2616         * doc/gty.texi: Likewise.
2617         * doc/invoke.texi: Likewise.
2618         * doc/loop.texi: Likewise.
2619         * doc/md.texi: Likewise.
2620         * doc/passes.texi: Likewise.
2621         * doc/rtl.texi: Likewise.
2622         * doc/sourcebuild.texi: Likewise.
2623         * doc/tm.texi: Likewise.
2624         * doc/tree-ssa.texi: Likewise.
2625
2626 2008-02-17  Richard Guenther  <rguenther@suse.de>
2627
2628         PR middle-end/35227
2629         * tree-complex.c (init_parameter_lattice_values): Handle parameters
2630         without default definition.
2631
2632 2008-02-17  Richard Guenther  <rguenther@suse.de>
2633
2634         PR tree-optimization/35231
2635         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
2636         if A | B != 1.
2637
2638 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
2639
2640         Revert:
2641
2642         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
2643         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2644         libgcc_cmp_return mode.
2645
2646 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2647
2648         PR c/28368
2649         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
2650
2651 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
2652
2653         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
2654         multilibs.
2655
2656 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2657
2658         * doc/c-tree.texi: Use `@.' where appropriate.
2659         * doc/extend.texi: Likewise.
2660         * doc/install.texi: Likewise.
2661         * doc/invoke.texi: Likewise.
2662         * doc/loop.texi: Likewise.
2663         * doc/makefile.texi: Likewise.
2664         * doc/md.texi: Likewise.
2665         * doc/passes.texi: Likewise.
2666         * doc/standards.texi: Likewise.
2667         * doc/tm.texi: Likewise.
2668
2669 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
2670
2671         PR middle-end/35196
2672         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
2673         in entry_bb.
2674         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
2675         rather than in entry_bb.
2676
2677 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2678
2679         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2680         libgcc_cmp_return mode.
2681
2682 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
2683
2684         PR middle-end/35130
2685         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
2686         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
2687
2688 2008-02-15  Richard Guenther  <rguenther@suse.de>
2689             Zdenek Dvorak  <ook@ucw.cz>
2690
2691         PR tree-optimization/35164
2692         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
2693         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
2694         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
2695         Only propagate addresses which do not have abnormal SSA_NAMEs
2696         in their operands.
2697
2698 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
2699
2700         PR target/35088
2701         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
2702
2703 2008-02-15  Jan Hubicka  <jh@suse.cz>
2704
2705         PR middle-end/35149
2706         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
2707
2708 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2709
2710         PR middle-end/34621
2711         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
2712         when calculating alignment_pad.
2713
2714 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2715
2716         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
2717         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
2718         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
2719         and STACK_BOUNDARY define.
2720
2721 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
2722
2723         PR preprocessor/35061
2724         * c-pragma.c (handle_pragma_pop_macro): Check that
2725         pushed_macro_table has been allocated.
2726
2727 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2728
2729         PR middle-end/35136
2730         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
2731         (force_gimple_operand): Likewise.
2732         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
2733         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
2734         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
2735         (find_interesting_uses_address): Check addressability and alignment
2736         of the base expression only after substituting bases of IVs into it.
2737
2738 2008-02-14  Michael Matz  <matz@suse.de>
2739
2740         PR target/34930
2741         * function.c (instantiate_virtual_regs_in_insn): Reload address
2742         before falling back to reloading the whole operand.
2743
2744 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
2745
2746         * config/s390/s390.c (s390_mainpool_start): Emit the pool
2747         before the first section switch note.
2748
2749 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2750
2751         * doc/bugreport.texi: Update copyright years.
2752         * doc/c-tree.texi: Likewise.
2753         * doc/cfg.texi: Likewise.
2754         * doc/cpp.texi: Likewise.
2755         * doc/cppinternals.texi: Likewise.
2756         * doc/fragments.texi: Likewise.
2757         * doc/frontends.texi: Likewise.
2758         * doc/gcc.texi: Likewise.
2759         * doc/gty.texi: Likewise.
2760         * doc/hostconfig.texi: Likewise.
2761         * doc/implement-c.texi: Likewise.
2762         * doc/libgcc.texi: Likewise.
2763         * doc/loop.texi: Likewise.
2764         * doc/makefile.texi: Likewise.
2765         * doc/options.texi: Likewise.
2766         * doc/passes.texi: Likewise.
2767         * doc/rtl.texi: Likewise.
2768         * doc/sourcebuild.texi: Likewise.
2769         * doc/standards.texi: Likewise.
2770         * doc/tree-ssa.texi: Likewise.
2771         * doc/trouble.texi: Likewise.
2772
2773         * doc/extend.texi: Use @: or add comma where appropriate.
2774         * doc/invoke.texi: Likewise.
2775         * doc/tm.texi: Likewise.
2776
2777 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
2778
2779         PR target/34393
2780         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
2781         to a reg.
2782
2783 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
2784
2785         * doc/md.texi (clz, ctz): Add reference.
2786         * doc/rtl.texi (clz, ctz): Likewise.
2787
2788 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2789
2790         PR other/35148
2791         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
2792         srcdir.
2793
2794 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
2795
2796         * config/s390/s390.c (struct constant_pool): New field
2797         emit_pool_after added.
2798         (s390_mainpool_start): Set the emit_pool_after flag according
2799         to the section switch notes.
2800         (s390_mainpool_finish): Consider emit_pool_after when emitting
2801         the literal pool at the end of the function.
2802         (s390_chunkify_start): Force literal pool splits at section
2803         switch notes.
2804
2805 2008-02-13  Michael Matz  <matz@suse.de>
2806
2807         PR debug/35065
2808         * var-tracking.c (clobber_variable_part): Correctly traverse the
2809         list.
2810
2811 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2812
2813         PR 29673
2814         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
2815         Add -fdump-ipa-inline.
2816         * tree-dump.c (dump_files): Remove tree-inlined dump.
2817         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
2818         
2819 2008-02-12  Richard Guenther  <rguenther@suse.de>
2820
2821         PR tree-optimization/35171
2822         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
2823         default defs.
2824
2825 2008-02-12  Richard Guenther  <rguenther@suse.de>
2826
2827         PR middle-end/35163
2828         * fold-const.c (fold_widened_comparison): Use get_unwidened in
2829         value-preserving mode.  Disallow final truncation.
2830
2831 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2832
2833         PR middle-end/35136
2834         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
2835         code from here to...
2836         (force_gimple_operand): ...here.
2837
2838 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
2839
2840         PR c++/35144
2841         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
2842         non-compatible pointers.
2843         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
2844         different FIELD_DECLs, try harder by comparing field offsets, sizes
2845         and types.
2846
2847         PR inline-asm/35160
2848         * function.c (match_asm_constraints_1): Don't replace the same input
2849         multiple times.
2850
2851 2008-02-12  Anatoly Sokolov <aesok@post.ru>
2852
2853         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
2854         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
2855         (expand_epilogue): Restore RAMPZ register.
2856         * config/avr/avr.md (RAMPZ_ADDR): New constant.
2857
2858 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
2859
2860         * config/i386/cygwin.asm: (__alloca): Correct calling
2861         convention and alignment.
2862         (__chkstk): Force 8 byte stack alignment.
2863
2864 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
2865             Richard Guenther  <rguenther@suse.de>
2866
2867         PR tree-optimization/33992
2868         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
2869         the zero we compare against.
2870
2871 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
2872
2873         PR libfortran/35063
2874         * gthr-win32.h (__gthread_mutex_destroy_function): New function
2875         to CloseHandle after unlocking to prevent accumulation of handle
2876         count.
2877
2878 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2879
2880         PR middle_end/34150
2881         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
2882         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
2883         and update LABEL_NUSES during and after reload.
2884
2885 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
2886
2887         PR middle-end/34627
2888         * combine.c (simplify_if_then_else): Make sure the comparison is
2889         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
2890
2891 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
2892
2893         PR bootstrap/35051
2894         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
2895         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
2896         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
2897         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
2898         * tree.h (get_type_static_bounds): Likewise.
2899
2900 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2901
2902         * doc/invoke.texi (Option Summary, C++ Dialect Options)
2903         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2904         Make -Wfoo language annotations match what the compiler outputs.
2905
2906 2008-02-08  Sa Liu  <saliu@de.ibm.com>
2907
2908         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
2909         intrinsics spu_convts, spu_convtu, spu_convtf.
2910         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
2911
2912 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
2913
2914         * doc/extend.texi (Function Attributes) <noinline>: Mention
2915         asm ("") as method to keep calls.
2916
2917 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2918
2919         PR other/32754
2920         * doc/options.texi (Options): Replace references to opts.sh with
2921         optc-gen.awk.
2922         * opts-common.c: Likewise.
2923         * optc-gen.awk: Likewise.
2924         
2925 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2926
2927         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
2928
2929 2008-02-07  Richard Henderson  <rth@redhat.com>
2930
2931         PR rtl-opt/33410
2932         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
2933         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
2934         funny mode.
2935
2936 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
2937
2938         PR tree-optimization/35085
2939         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
2940         for operand entry oe2 in addition to operand entry oe3 in order to
2941         expose more opportunities for vectorizer sum reduction.
2942
2943 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2944
2945         PR other/35107
2946         * Makefile.in (LIBS): Remove $(GMPLIBS).
2947         (cc1-dummy, cc1): Add $(GMPLIBS).
2948
2949 2008-02-06  Jan Hubicka  <jh@suse.cz>
2950
2951         PR target/23322
2952         * i386.md (moddf_integer): Do not produce partial memory stalls for
2953         targets where it hurts.
2954
2955 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
2956
2957         PR target/35083
2958         * optabs.c (expand_float): Do not check for decimal modes when
2959         expanding unsigned integer through signed conversion.
2960
2961 2008-02-06  Nick Clifton  <nickc@redhat.com>
2962
2963         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
2964         inside the clobber with a match_operand and duplicated operand
2965         number in the constraint.
2966         (ineqbranchsi): Delete redundant comment.
2967
2968 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
2969
2970         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
2971         builtin_define ("__USE_INIT_FINI__").
2972         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
2973         -msx multilibs.
2974         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
2975
2976 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2977
2978         PR documentation/30330
2979         * doc/invoke.texi (C++ Dialect Options)
2980         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2981         For each warning option -Wfoo that allows -Wno-foo, ensure both
2982         -Wfoo and -Wno-foo are listed in the option index.  Fix index
2983         entry of -Wswitch-default, index -Wnormalized= including the
2984         `=', and -Wlarger-than-@var{len} including @var{len}.
2985
2986 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2987
2988         * config/i386/i386.md (floatunssisf2): Use
2989         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
2990         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
2991         Macroize expander using MODEF mode iterator.
2992
2993 2008-02-05  Diego Novillo  <dnovillo@google.com>
2994
2995         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
2996
2997         PR 33738
2998         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
2999
3000 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3001
3002         PR other/35070
3003         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
3004
3005 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
3006
3007         PR target/35084
3008         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
3009         to indicate if a message should be generated.
3010         (init_cumulative_args): Updated.
3011         (function_value_32): Likewise.
3012
3013 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
3014
3015         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
3016
3017 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
3018
3019         PR target/35083
3020         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
3021         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
3022
3023 2008-02-04  Diego Novillo  <dnovillo@google.com>
3024
3025         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
3026
3027         PR 33738
3028         * tree-vrp.c (vrp_evaluate_conditional): With
3029         -Wtype-limits, emit a warning when comparing against a
3030         constant outside the natural range of OP0's type.
3031
3032 2008-02-04  Richard Guenther  <rguenther@suse.de>
3033
3034         PR middle-end/33631
3035         * expr.c (count_type_elements): Give for unions instead of
3036         guessing.
3037
3038 2008-02-04  Richard Guenther  <rguenther@suse.de>
3039
3040         PR middle-end/35043
3041         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
3042         to TYPE_DOMAINs base type instead of using bitsizetype here.
3043
3044 2008-02-03  Jason Merrill  <jason@redhat.com>
3045
3046         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
3047
3048 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3049
3050         PR other/29972
3051         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
3052         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
3053         (RS/6000 and PowerPC Options): Fix typos and markup.
3054         * doc/passes.texi (Tree-SSA passes): Likewise.
3055
3056 2008-02-02  Michael Matz  <matz@suse.de>
3057
3058         PR target/35045
3059         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
3060         from record_last_reg_set_info.
3061         (record_last_reg_set_info): Take an RTX argument, iterate over all
3062         constituent hardregs.
3063         (record_last_set_info, record_opr_changes): Change calls to
3064         new signature or to record_last_reg_set_info_regno.
3065
3066 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
3067
3068         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
3069
3070 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
3071
3072         PR rtl-optimization/34773
3073         * reg-notes.def (EQUAL): Mention significance of combination of
3074         REG_EQUAL and REG_RETVAL.
3075         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
3076         insn that has a REG_RETVAL.
3077
3078 2008-02-01  Roger Sayle  <roger@eyesopen.com>
3079
3080         PR bootstrap/33781
3081         * configure.ac (--enable-fixed-point): Disable unless explicitly
3082         requested on IRIX.
3083         * configure: Regenerate.
3084
3085 2008-02-01  Richard Guenther  <rguenther@suse.de>
3086
3087         PR other/35042
3088         * invoke.texi (-finline-limit): Remove no longer true parts
3089         of the documentation.  Note that there is no default value.
3090
3091 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
3092             Mark Mitchell  <mark@codesourcery.com>
3093             Ben Elliston  <bje@au.ibm.com>
3094
3095         PR c/29326
3096         * doc/extend.texi (Other Builtins): Document.
3097
3098 2008-01-31  Tom Browder <tom.browder@gmail.com>
3099
3100         * doc/c-tree.texi (Types): Fix grammar.
3101         (Expression trees): Ditto.
3102         * doc/passes.texi (Tree-SSA passes): Ditto.
3103         
3104         * doc/configterms.texi (Configure Terms): Fix typo.
3105         * doc/cpp.texi (Common Predefined Macros): Ditto.
3106         * doc/md.texi (Machine Constraints): Ditto.
3107         
3108         * doc/makefile.texi (Makefile): Add comma.
3109
3110 2008-01-31  Tom Browder  <tom.browder@gmail.com>
3111             Gerald Pfeifer  <gerald@pfeifer.com>
3112         
3113         * doc/sourcebuild.texi (Front End): Remove references to CVS
3114         and CVSROOT/modules.
3115         (Texinfo Manuals): Replace reference to CVS by one to SVN.
3116         (Back End): Remove reference to CVS.
3117
3118 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
3119
3120         PR target/34900
3121         * config/mips/mips.c (gen_load_const_gp): New function, taking a
3122         comment from...
3123         (mips16_gp_pseudo_reg): ...here.
3124         * config/mips/mips.md (load_const_gp): Replace with...
3125         (load_const_gp_<mode>): ...this :P-based insn.
3126
3127 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3128
3129         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
3130         options. Minor fixes.
3131         (-std): Move reference to standards closer to where language
3132         standards are first mentioned.
3133         
3134 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
3135
3136         PR rtl-optimization/34995
3137         * reload.c (alternative_allows_const_pool_ref): Take an rtx
3138         parameter and return a bool.  If the rtx parameter is nonnull,
3139         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
3140         (find_reloads): Update call accordingly.  Pass the new operand
3141         if it needed no address reloads, otherwise pass null.
3142
3143 2008-01-30  Richard Henderson  <rth@redhat.com>
3144
3145         PR c/34993
3146         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
3147         for unbounded arrays.
3148
3149 2008-01-30  Silvius Rus  <rus@google.com>
3150
3151         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
3152
3153 2008-01-30  Jan Hubicka  <jh@suse.cz>
3154
3155         PR target/34982
3156         * i386.c (init_cumulative_args): Use real function declaration when
3157         calling locally.
3158
3159 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
3160
3161         PR rtl-optimization/34998
3162         * global.c (build_insn_chain): Treat non-subreg_lowpart
3163         SUBREGs of pseudos as clobbering all the words covered by the
3164         SUBREG, not just all the bytes.
3165         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
3166         original df_ref rather than an extract parameter.
3167         (global_conflicts): Update call accordingly.
3168
3169 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
3170
3171         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
3172         the overflow check to make it easier to read.
3173         (__fixtfdi): Change the type of the ll member in union
3174         long_double to UDItype_x.
3175
3176 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
3177
3178         PR middle-end/34969
3179         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
3180         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
3181         * tree-inline.c (fold_marked_statements): Call
3182         cgraph_update_edges_for_call_stmt if folding a call statement.
3183         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
3184         debug_generic_stmt calls, reset it back afterwards.
3185
3186         PR c/35017
3187         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
3188         static decls.
3189         * c-typeck.c (build_external_ref): Don't pedwarn about
3190         static vars in current function's scope.
3191
3192 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
3193
3194         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
3195
3196 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
3197
3198         PR c/35002
3199         * ipa-struct-reorg.c: Fix spelling.
3200         * params.def: Ditto.
3201
3202 2008-01-29  Richard Guenther  <rguenther@suse.de>
3203
3204         PR middle-end/35006
3205         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
3206         field.
3207         * tree-inline.c (remap_type): Increment remapping_type_depth
3208         around remapping types.
3209         (copy_body_r): Only add referenced variables if they are referenced
3210         from code, not types.
3211
3212 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
3213
3214         PR c++/34055
3215         PR c++/34103
3216         PR c++/34219
3217         PR c++/34606
3218         PR c++/34753
3219         PR c++/34754
3220         PR c++/34755
3221         PR c++/34919
3222         PR c++/34961
3223         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
3224         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
3225
3226 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
3227
3228         PR target/34412
3229         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
3230         pointer for tiny stack.
3231
3232 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
3233
3234         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
3235
3236 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
3237
3238         * config/vx-common.h: Fix typo in comment.
3239
3240 2008-01-28  Ian Lance Taylor  <iant@google.com>
3241
3242         PR c++/34862
3243         PR c++/33407
3244         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
3245         coalesce pointers if they have different DECL_NO_TBAA_P values.
3246         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
3247         between variables with different DECL_NO_TBAA_P values.
3248
3249 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
3250
3251         PR 31535
3252         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
3253         are not legitimate small data references on SPE targets.
3254
3255 2008-01-28  David Daney  <ddaney@avtrex.com>
3256
3257         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
3258
3259 2008-01-28  David Daney  <ddaney@avtrex.com>
3260
3261         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
3262
3263 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
3264
3265         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
3266         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
3267         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
3268         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
3269         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
3270         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
3271         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
3272         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
3273
3274 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
3275
3276         * basic-block.h (condjump_equiv_p): Fix comment.
3277
3278 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
3279
3280         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
3281         print_generic_stmt_indented): Fix comment.
3282
3283 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
3284
3285         * configure.ac (__stack_chk_fail): Add detecion for availability
3286         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
3287         * configure: Regenerate.
3288
3289 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
3290
3291         PR middle-end/34688
3292         * final.c (output_addr_const): Handle TRUNCATE.
3293
3294 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
3295
3296         PR target/34711
3297         * tree-ssa-loop-ivopts.c (comp_cost): New type.
3298         (zero_cost, infinite_cost): New constants.
3299         (struct cost_pair): Change type of cost to comp_cost.
3300         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
3301         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
3302         New functions.
3303         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
3304         split_address_cost, ptr_difference_cost, difference_cost,
3305         get_computation_cost_at, get_computation_cost,
3306         determine_use_iv_cost_generic, determine_use_iv_cost_address,
3307         determine_use_iv_cost_condition, determine_use_iv_costs,
3308         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
3309         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
3310         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
3311         Change type of cost to comp_cost.
3312         (determine_iv_cost): Increase cost of non-original ivs, instead
3313         of decreasing the cost of original ones.
3314         (get_address_cost): Indicate the complexity of the addressing mode 
3315         in comp_cost.
3316         (try_add_cand_for): Prefer using ivs not specific to some object.
3317         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
3318
3319 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
3320             Janis Johnson  <janis187@us.ibm.com>
3321
3322         PR target/34814
3323         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
3324         (TARGET_INSTANTIATE_DECLS): Likewise.
3325         * target.h (expand_to_rtl_hook): New target hook.
3326         (instantiate_decls): Likewise.
3327         * function.c (instantiate_decl): Make non-static.  Rename to...
3328         (instantiate_decl_rtl): ... this.
3329         (instantiate_expr): Use instantiate_decl_rtl.
3330         (instantiate_decls_1): Likewise.
3331         (instantiate_decls): Likewise.
3332         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
3333         * function.h (instantiate_decl_rtl): Add prototype.
3334         * cfgexpand.c (target.h): New include.
3335         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
3336         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
3337         (TARGET_INSTANTIATE_DECLS): Likewise.
3338         (TARGET_INITIALIZER): New target hooks added.
3339         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
3340         New prototype.
3341         * config/rs6000/rs6000.c (tree-flow.h): New include.
3342         (machine_function): Add sdmode_stack_slot field.
3343         (rs6000_alloc_sdmode_stack_slot): New function.
3344         (rs6000_instantiate_decls): Likewise.
3345         (rs6000_secondary_memory_needed_rtx): Likewise.
3346         (rs6000_check_sdmode): Likewise.
3347         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
3348         (TARGET_INSTANTIATE_DECLS): Likewise.
3349         (rs6000_hard_regno_mode_ok): Allow SDmode.
3350         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
3351         (rs6000_emit_move): Handle SDmode.
3352         (function_arg_advance): Likewise.
3353         (function_arg): Likewise.
3354         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
3355         SDmode var args for 32-bit compiles.
3356         (rs6000_secondary_reload_class): Handle SDmode.
3357         (rs6000_output_function_epilogue): Likewise.
3358         (rs6000_function_value): Simplify if statement.
3359         (rs6000_libcall_value): Likewise.
3360         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
3361         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
3362         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
3363         (movsd_hardfloat): New define_insn.
3364         (movsd_softfloat): Likewise.
3365         (movsd_store): Likewise.
3366         (movsd_load): Likewise.
3367         (extendsddd2): Likewise.
3368         (extendsdtd2): Likewise.
3369         (truncddsd2): Likewise.
3370         (movdd_hardfloat64): Fixup comment.
3371         (UNSPEC_MOVSD_LOAD): New constant.
3372         (UNSPEC_MOVSD_STORE): Likewise.
3373
3374 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
3375
3376         PR c++/34965
3377         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
3378         TRUTH_XOR_EXPR.
3379         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
3380         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
3381         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
3382         and TRUTH_XOR_EXPR.
3383
3384 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
3385
3386         PR target/34794
3387         * config.gcc: Separate AIX 5.3 from AIX 6.1.
3388         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3389         __LONGDOUBLE128 too.
3390         * config/rs6000/aix61.h: New file.
3391
3392 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
3393
3394         PR rtl-optimization/34959
3395         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
3396         popcount and parity rtxes the same mode as their operand.
3397         Truncate or extend the result to the return value's mode
3398         if necessary.
3399
3400 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
3401
3402         PR target/34981
3403         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
3404         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
3405         to GOT_VERSION_REGNUM.
3406         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
3407         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
3408         * config/mips/mips.c (mips_emit_call_insn): New function.
3409         (mips_call_tls_get_addr): Call mips_expand_call directly.
3410         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
3411         emit_call_insn.
3412         (mips16_build_call_stub): Likewise.  Return the call insn or null.
3413         (mips_expand_call): Update the call to mips16_build_call_stub
3414         accordingly and a remove redundant condition.  Assert that MIPS16
3415         stubs do not use lazy binding.  Use mips_emit_call_insn and return
3416         the call insn.
3417         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
3418         TARGET_USE_GOT.
3419         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
3420         (mips_avoid_hazard): Remove hazard_set handling.
3421         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
3422         (UNSPEC_RESTORE_GP): ...this.
3423         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
3424         (FAKE_CALL_REGNO): Rename to...
3425         (GOT_VERSION_REGNUM): ...this.
3426         (type): Add "ghost" value.  Add an associated insn reservation.
3427         (hazard_set): Remove.
3428         (exception_receiver): Rename to...
3429         (restore_gp): ...this and update the unspec identifier accordingly.
3430         (exception_receiver, nonlocal_got_receiver): New expanders.
3431         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
3432         FAKE_CALL_REGNO.  Remove hazard_set attribute.
3433         (set_got_version, update_got_version): New patterns.
3434
3435 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
3436
3437         PR target/34970
3438         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
3439
3440 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
3441
3442         PR other/31955
3443         * do