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2008-05-06 H.J. Lu <hongjiu.lu@intel.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2
3         PR target/35657
4         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed
5         to ...
6         (contains_aligned_value_p): This.  Handle _Decimal128.
7         (ix86_function_arg_boundary): Only align _Decimal128 to its
8         natural boundary and handle it properly.
9
10 2008-05-06  Martin Jambor  <mjambor@suse.cz>
11
12         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
13         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
14         (ipcp_method_set_orig_node): Removed.
15         (ipcp_cval_get_cvalue_type): Removed.
16         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
17         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
18         (ipcp_cval_set_cvalue_type): Removed.
19         (ipcp_cval_get_cvalue): Removed.
20         (ipcp_cval_set_cvalue): Removed.
21         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
22         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
23         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
24         (ipcp_cval_meet): Renamed to ipa_lattice_meet
25         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
26         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
27         (ipcp_get_ith_lattice): Changed parameters.
28         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
29         (ipcp_lattice_from_jfunc): Changed parameters.
30         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
31         (ipcp_method_cval_print): Added temporary variable info.
32         (ipcp_redirect): Removed already unused local variable caller.
33         (ipcp_redirect): New temporary variable orig_callee_info
34         (ipcp_redirect): Removed newly unused local variable callee.
35         (ipcp_redirect): Removed (a bit confusing) local variable type.
36         (ipcp_insert_stage): Added local variable info.
37         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters 
38         renamed too
39         (ipcp_formal_create): Removed.
40         (ipcp_method_cval_set): Removed.
41         (ipcp_propagate_stage): Renamed lattice variables.
42         (ipcp_method_cval_set_cvalue_type): Removed.
43         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
44         (ipcp_print_all_lattices): Changed printed strings to refer to 
45         lattices rather than cvals.
46         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
47         (ipcp_propagate_const): Changed formal parameters.
48         (build_const_val): Changed formal parameters.
49         (ipcp_insert_stage): Removed useless variable cvalue
50         (build_const_val): Changed formal parameters.
51         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
52         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
53         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
54         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
55         (ipcp_print_func_profile_counts): Changed string from "method" to 
56         "function"
57         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
58         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
59         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
60         (ipcp_structures_print): Renamed to ipcp_print_all_structures
61         (ipcp_profile_print): Renamed to ipcp_print_profile_data
62         (ipcp_lat_is_const): Changed parameters and made inline.
63         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
64         (ipcp_redirect): Renamed to ipcp_need_redirect_p
65         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using 
66         the predicate condition directly
67         (ipcp_propagate_stage): Added local variable args. Removed local
68         variable callee.  (Both are mere code simplifications.)
69         (ipcp_method_dont_insert_const): Renamed to
70         ipcp_node_not_modifiable_p.
71         (ipcp_node_not_modifiable_p): Made inline.
72         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
73         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
74         (ipcp_print_all_lattices): Removed variable cvalue
75         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
76         Updated comments.
77
78 2008-05-06  Olivier Hainque  <hainque@adacore.com>
79
80         * tree-sra.c (try_instantiate_multiple_fields): Early return
81         if field has POINTER_TYPE.
82
83 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
84
85         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
86         by using 'q' specifier for instruction.
87         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
88
89 2008-05-06  Anatoly Sokolov <aesok@post.ru>
90
91         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
92         Change mode of zero_extract from QImode to HImode.
93         (sign bit tests peepholes): (Ditto.).
94
95 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
96
97         * config/i386/mmx.md: Remove double backslashes from asm templates.
98         (*addv2sf3): Rename from mmx_addv2sf3 insn pattern.
99         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
100         to handle nonimmediate operands.
101         (*mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
102         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
103         to handle nonimmediate operands.
104         (*<code>v2sf3_finite): New insn pattern.
105         (*<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
106         (mmx_<code>v2sf3): New expander.  Use
107         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
108         (mmx_<plusminus_insn><mode>3): New expander.  Use
109         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
110         (*<plusminus_insn><mode>3): New insn pattern.
111         (mmx_add<mode>3): Removed.
112         (mmx_ssadd<mode>3): Ditto.
113         (mmx_usadd<mode>3): Ditto.
114         (mmx_sub<mode>3): Ditto.
115         (mmx_sssub<mode>3): Ditto.
116         (mmx_ussub<mode>3): Ditto.
117         (*mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
118         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
119         to handle nonimmediate operands.
120         (*smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
121         insn pattern.
122         (mmx_smulv4hi3_highpart): New expander.  Use
123         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
124         (*umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
125         insn pattern.
126         (mmx_umulv4hi3_highpart): New expander.  Use
127         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
128         (*<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
129         (mmx_<code>v4hi3): New expander.  Use
130         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
131         (*<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
132         (mmx_<code>v8qi3): New expander.  Use
133         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
134         (*<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
135         (mmx_<code><mode>3): New expander.  Use
136         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
137
138 2008-05-05  Jan Hubicka  <jh@suse.cz>
139
140         PR tree-optimization/36118
141         * passes.c (pass_init_dump_file): Fix dump header.
142
143 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
144
145         PR middle-end/36141
146         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
147         VCE for function decls.
148
149 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
150
151         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
152
153 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
154
155         * config/i386/i386.md (sat_plusminus): New.
156         (plusminus_insn): Likewise.
157         (plusminus_mnemonic): Likewise.
158         (addsub): Removed.
159         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
160         (*<addsub><mode>3_cc_overflow): Renamed to ...
161         (*<plusminus_insn><mode>3_cc_overflow): This.
162         (*<addsub>si3_zext_cc_overflow): Renamed to ...
163         (*<plusminus_insn>si3_zext_cc_overflow): This.
164
165         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
166         (<plusminus_insn><mode>3): This.
167         (*<addsub><mode>3): Renamed to ...
168         (*<plusminus_insn><mode>3): This.
169         (<sse>_vm<addsub><mode>3): Renamed to ...
170         (<sse>_vm<plusminus_insn><mode>3): This.
171         (sse3_h<addsub>v4sf3): Renamed to ...
172         (sse3_h<plusminus_insn>v4sf3): This.
173         (sse3_h<addsub>v2df3): Renamed to ...
174         (sse3_h<plusminus_insn>v2df3): This.
175         (<plusminus_insn><mode>3): New.
176         (*<plusminus_insn><mode>3): Likewise.
177         (sse2_<plusminus_insn><mode>3): Likewise.
178         (add<mode>): Removed.
179         (*add<mode>3): Likewise.
180         (sse2_ssadd<mode>3): Likewise.
181         (sse2_usadd<mode>3): Likewise.
182         (sub<mode>3): Likewise.
183         (*sub<mode>3): Likewise.
184         (sse2_sssub<mode>3): Likewise.
185         (sse2_ussub<mode>3): Likewise.
186
187 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
188
189         * gthr-single.h: Add in required interface elements as per gthr.h.
190         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
191         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
192         Generalize UNUSED macro. 
193         (__gthread_once): Add.
194         (__gthread_key_create): Add.
195         (__gthread_key_delete): Add.
196         (__gthread_getspecific): Add.
197         (__gthread_setspecific): Add.
198         
199 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
200
201         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
202         the same size types for the indirect reference on the rhs, then
203         create a VCE.
204
205 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
206
207         * config/i386/i386.md
208         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
209         one insn template instead of template series.
210         (*xordi_1_rex64): Ditto.
211         (*xordi_2_rex64): Ditto.
212
213 2008-05-05  Ira Rosen  <irar@il.ibm.com>
214
215         PR tree-optimization/36119
216         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
217         in case of SLP.
218
219 2008-06-04  Jan Hubicka  <jh@suse.cz>
220
221         tree-optimization/36100
222         * tree-pass.h (pass_O0_always_inline): Declare.
223         * ipa-inline.c (inline_transform): Remove dead code.
224         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
225         pass_O0_always_inline): New.
226         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
227
228 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
229
230         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
231         mnemonic in this_param move for TARGET_64BIT.
232
233 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
234
235         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
236         (*strmovsi_rex_1): Ditto.
237         (*strsetsi_1): Ditto.
238         (*strsetsi_rex_1): Ditto.
239
240         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
241         adddicc expanders using SWI mode iterator.
242
243 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
244
245         PR target/36121
246         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
247         argument handling.
248
249 2008-05-04  David S. Miller  <davem@davemloft.net>
250
251         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
252         (sparc*-*-linux*): Use linux.h in tm_file.
253         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
254         compiler defaulting to 32-bit.
255         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
256         no longer needed.
257         * config/sparc/linux.h: Remove definitions now obtained
258         properly from linux.h
259         * config/sparc/linux64.h: Likewise.
260         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
261         don't want this setting for 32-bit builds in a biarch compiler.
262         * doc/install.texi: Add sparc-linux to list of targets
263         supporting --enable-targets=all.
264
265 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
266
267         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
268
269 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
270
271         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
272         after V4SI_FTYPE_V8HI.
273         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
274         case V4SI_FTYPE_V2DF.
275
276 2008-05-03  Kenneth Zadeck <zadeck@naturalbridge.com>
277
278         * doc/invoke.texi (max-flow-memory-locations): Removed.
279         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
280         
281 2008-05-03  Richard Guenther  <rguenther@suse.de>
282
283         PR middle-end/34973
284         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
285
286 2008-05-02  David S. Miller  <davem@davemloft.net>
287
288         * config.gcc (need_64bit_hwint): Document libcpp dependency.
289
290 2008-05-02  Simon Baldwin <simonb@google.com>
291
292         PR bootstrap/36108
293         * c-common.h (warn_array_subscript_range): Removed.
294         * c-common.c (warn_array_subscript_range): Ditto.
295         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
296         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
297
298 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
299
300         * config/i386/i386.c (ix86_special_builtin_type): New.
301         (bdesc_special_args): Likewise.
302         (ix86_expand_special_args_builtin): Likewise.
303         (ix86_init_mmx_sse_builtins): Updated.
304         (ix86_expand_builtin): Updated.
305         (ix86_expand_store_builtin): Removed.
306         (ix86_expand_unop_builtin): Likewise.
307
308         * config/i386/mm3dnow.h (__v2sf): Moved to ...
309         * config/i386/mmintrin.h (__v2sf): Here.
310
311         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
312         const __v2sf.
313         (_mm_loadl_pi): Likewise.
314         (_mm_storeh_pi): Replace __v2si with __v2sf.
315         (_mm_storel_pi): Likewise.
316
317         * doc/extend.texi: Correct __builtin_ia32_loadhps,
318         __builtin_ia32_loadlps, __builtin_ia32_storehps,
319         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
320         __builtin_ia32_loadlpd.
321
322 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
323
324         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
325         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
326         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
327         (ix86_init_mmx_sse_builtins): Updated.
328         (ix86_expand_args_builtin): Likewise.
329         (ix86_expand_builtin): Likewise.
330         (ix86_expand_unop1_builtin): Renamed to ...
331         (ix86_expand_unop_vec_merge_builtin): This.
332
333 2008-05-01  Jan Hubicka  <jh@suse.cz>
334
335         PR bootstrap/36100
336         * ipa-inline.c (inline_generate_summary): Make static.
337         (inline_transform): Do not call inlining at -O0; make static.
338         * passes.c (execute_todo): Add sanity check.
339         (execute_one_ipa_transform_pass): Execute proper flags.
340
341 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
342
343         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
344         (DECL_NONADDRESSABLE_P): Likewise.
345         * alias.c (record_component_aliases): Fix comment.
346
347 2008-05-01  Simon Baldwin <simonb@google.com>
348
349         * c-common.h (warn_array_subscript_range): New function.
350         * c-common.c (warn_array_subscript_range): Ditto.
351         * tree-vrp.c (check_array_ref): Corrected code to agree with
352         comment, ignoring only arrays of size 0 or size 1.
353         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
354
355 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
356
357         * config/i386/i386.c (ix86_builtin_type): Replace
358         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
359         (bdesc_args): Updated.
360         (ix86_init_mmx_sse_builtins): Likewise.
361         (ix86_expand_args_builtin): Likewise.
362
363         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
364         with __v1di.
365
366         * doc/extend.texi: Correct __builtin_ia32_palignr.
367
368 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
369
370         PR target/36095
371         * config/i386/i386.c (bdesc_crc32): Removed.
372         (ix86_expand_crc32): Likewise.
373         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
374         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
375         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
376         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
377         UINT_FTYPE_UINT_UCHAR.
378         (bdesc_args): Updated. Add crc32 builtins.
379         (ix86_init_mmx_sse_builtins): Updated.
380         (ix86_expand_args_builtin): Updated to support subreg.
381
382         * doc/extend.texi: Correct __builtin_ia32_crc32di.
383
384 2008-05-01  Jan Hubicka  <jh@suse.cz>
385
386         * tree-pass.h (opt_pass): Add IPA_PASS.
387         (varpool_node, cgraph_node): Forward declare.
388         (ipa_opt_pass): Define.
389         (pass_ipa_inline): Turn into ipa_opt_pass.
390         (pass_apply_inline): Remove.
391         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
392         (apply_inline): Turn into ....
393         (inline_transform): ... this one.
394         (inline_generate_summary): New function.
395         (pass_apply_inline): Remove.
396         * function.h (ipa_opt_pass): Forward declare structure; typedef;
397         vector.
398         (struct function): Add ipa_transforms_to_apply.
399         * passes.c (register_one_dump_file): Work on IPA_PASS.
400         (init_optimization_passes): Remove pass_inline_parameters and
401         pass_apply_inline.
402         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
403         (execute_one_pass) ... here; apply transforms when possible.
404         (add_ipa_transform_pass, execute_ipa_summary_asses,
405         execute_one_ipa_transform_pass): New.
406         (execute_ipa_pass_list): Update for IPA_PASS type.
407
408 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
409
410         * config/i386/i386.c (ix86_builtin_type): Add
411         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
412         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
413         (bdesc_args): Add SSE4a builtins.
414         (ix86_init_mmx_sse_builtins): Updated.
415         (ix86_expand_args_builtin): Likewise.
416         (ix86_expand_builtin): Likewise.
417
418 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
419
420         * config/i386/i386.c (ix86_builtin_type): Add
421         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
422         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
423         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
424         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
425         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
426         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
427         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
428         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
429         and DI_FTYPE_DI_DI_INT.
430         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
431         (ix86_init_mmx_sse_builtins): Updated.
432         (ix86_expand_args_builtin): Likewise.
433         (ix86_expand_builtin): Likewise.
434         (ix86_expand_binop_imm_builtin): Removed.
435
436         * doc/extend.texi: Correct __builtin_ia32_palignr128.
437
438 2008-04-30  Richard Guenther  <rguenther@suse.de>
439
440         PR tree-optimization/32921
441         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
442
443 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
444
445         * config/arm/arm.c (arm_unwind_emit): Use
446         crtl->all_throwers_are_sibcalls instead of
447         cfun->all_throwers_are_sibcalls.
448         (arm_output_fn_unwind): Likewise.
449         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
450         instead of cfun->uses_pic_offset_table.
451         (frv_expand_prologue): Likewise.
452         (frv_frame_pointer_required): Likewise.
453         (frv_expand_fdpic_call): Likewise.
454         (frv_emit_movsi): Likewise.
455         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
456         cfun->returns_pcc_struct instead of
457         current_function_returns_pcc_struct.
458         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
459         instead of cfun->calls_eh_return.
460         (m32c_pushm_popm): Likewise.
461         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
462         "extern" declaration.
463
464 2008-04-30  Richard Guenther  <rguenther@suse.de>
465
466         PR tree-optimization/21636
467         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
468         constant address.
469         (evaluate_stmt): Print the likely value.
470         (ccp_visit_stmt): Avoid excessive vertical spacing.
471
472 2008-04-30  Rafael Espindola  <espindola@google.com>
473
474         * builtins.c (fold_call_expr): Return realret.
475         * tree-ssa-threadedge.c
476         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
477         __builtin_object_size.
478
479 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
480
481         * gcc.c (wrapper_string): New variable.
482         (insert_wrapper): New function.
483         (execute): New option -wrapper.
484         * doc/invoke.texi (Overall Options): New driver option -wrapper.
485
486 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
487
488         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
489         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
490         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
491         from...
492         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
493         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
494         config/rs6000/e500crtres64gprctr.asm,
495         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
496         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
497         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
498         config/rs6000/e500crtsav64gprctr.asm,
499         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
500         config/rs6000/e500crtsavg64gprctr.asm: New files.
501         * config/rs6000/t-ppccomm: Add build rules for new files.
502         (LIB2FUNCS_STATIC_EXTRA): Add new files.
503         * config/rs6000/t-netbsd: Add build rules for new files.
504         (LIB2FUNCS_STATIC_EXTRA): New variable.
505         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
506         (CRTSAVRES_DEFAULT_SPEC): Likewise.
507         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
508
509 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
510
511         * config/i386/i386.c (ix86_builtin_type): Add
512         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
513         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
514         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
515         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
516         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
517         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
518         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
519         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
520         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
521         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
522         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
523         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
524         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
525         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
526         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
527         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
528         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
529         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
530         V1DI_FTYPE_V2SI_V2SI.
531         (bdesc_2arg): Moved to ...
532         (bdesc_args): Here.
533         (ix86_init_mmx_sse_builtins): Updated.
534         (ix86_expand_args_builtin): Updated.  Take a pointer
535         to const struct builtin_description.  Handle comparison
536         builtin functions.
537         (ix86_expand_sse_compare): Take a new argument for swapping operands.
538         (ix86_expand_builtin): Updated.
539
540         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
541         (ssse3_pmaddubsw128): This.
542         (ssse3_pmaddubswv4hi3): Renamed to ...
543         (ssse3_pmaddubsw): This.
544
545         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
546         (__builtin_ia32_packssdw128): Likewise.
547         (__builtin_ia32_packuswb128): Likewise.
548         (__builtin_ia32_pmaddubsw): Likewise.
549         (__builtin_ia32_pmaddubsw128): Likewise.
550
551 2008-04-30  Richard Guenther  <rguenther@suse.de>
552
553         PR tree-optimization/14847
554         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
555         (recognize_bits_test): Use it.
556         (recognize_single_bit_test): Likewise.
557
558 2008-04-30  Martin Jambor  <mjambor@suse.cz>
559
560         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
561         instead of setting number of formal parameters to zero.
562         (ipcp_init_stage): Do not set the number of actual parameters to zero 
563         either.
564         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
565         which are called with variable number of arguments.
566         (ipcp_insert_stage): Explicitely skipping all nodes which are
567         called with variable number of arguments.
568         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
569         number of parameters.
570
571         * ipa-prop.h (struct ipa_node_params): Added flag
572         called_with_var_arguments
573         (ipa_set_param_count): Added.  Changed sole setter to use it.
574         (ipa_get_param_count): Added.  All readers of param_count
575         converted to use it instead.
576         (ipa_set_called_with_variable_arg): Added.
577         (ipa_is_called_with_var_arguments): Added.
578         (ipa_get_ith_param): Added.  All readers of param_decls converted
579         to use it instead.
580         (ipa_set_cs_argument_count): Added, sole writer to argument_count 
581         changed to use it. 
582         (ipa_get_cs_argument_count): Added, all readers of argument_count
583         changed to cal it.
584         (ipa_get_ith_jump_func): Added. Accessors of jump values changed 
585         to use it.
586         
587         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
588         (struct ipcp_lattice): Renamed cval_type to type
589         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
590
591         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
592         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
593         (ipcp_insert_stage): Changed the type of variable cvalue to tree
594         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
595         (build_const_val): Changed the type of parameter cvalue to tree
596         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
597         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
598         
599         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
600         constant 
601
602         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
603         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
604         (ipa_add_method): Renamed to ipa_push_func_to_list
605         (ipa_remove_method): Renamed to ipa_pop_func_from_list
606         (ipa_callsite_param_count): Removed.
607         (ipa_callsite_param_count_set): Removed.
608         (ipa_callsite_param): Removed.
609         (ipa_callsite_callee): Removed.
610         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
611         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
612         (ipa_method_formal_count): Removed.
613         (ipa_method_formal_count_set): Removed.
614         (ipa_method_get_tree): Removed.
615         (ipa_method_tree_map_create): Removed.
616         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
617         (ipa_create_param_decls_array): Creates the array itself
618         (ipa_create_param_decls_array): Temporary variable info instead of 
619         a few dereferences.
620         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
621         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
622         (get_type): Removed.
623         (ipa_jf_get_info_type): Removed.
624         (ipa_node_create): Renamed to ipa_create_node_params
625         (ipa_free): Renamed to ipa_free_all_node_params
626         (ipa_nodes_create): Renamed to ipa_create_all_node_params
627         (ipa_edges_create): Renamed to ipa_create_all_edge_args
628         (ipa_edges_free): Renamed to ipa_free_all_edge_args
629         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
630         (ipa_free_all_node_params): Deallocation to jump_functions moved to 
631         ipa_free_all_edge_args
632         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
633         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
634         (ipa_create_methodlist_node): Removed.
635         (ipa_methodlist_method): Removed.
636         (ipa_methodlist_method_set): Removed.
637         (ipa_methodlist_next_method): Removed.
638         (ipa_methodlist_next_method_set): Removed.
639         (ipa_method_is_modified): Removed.
640         (ipa_method_modify_create): Removed.
641         (ipa_method_modify_init): Temporary variable info instead of a few 
642         dereferences.
643         (ipa_detect_param_modifications): Temporary variable info instead of 
644         a few dereferences.
645         (ipa_compute_jump_functions): Temporary variable info instead of 
646         a few dereferences.
647         (ipa_method_modify_set): Removed.
648         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
649         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
650         than craph_node as the first parameter.
651         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
652         (ipa_method_modify_init): Removed.
653         (ipa_compute_jump_functions): Added a temp variable instead of 
654         repeatadly dereferencing the cgraph_edge.aux pointer
655         (ipa_callsite_param_set_type): Removed.
656         (ipa_compute_jump_functions): i renamed to index and moved to 
657         an inner block
658         (ipa_callsite_param_set_info_type_formal): Removed.
659         (ipa_callsite_param_set_info_type): Removed.
660         (ipa_callsite_param_map_create): Removed.
661         (ipa_callsite_tree): Removed.
662         (ipa_callsite_caller): Removed.
663         (ipa_pop_func_from_list): return_method removed to return_func
664
665         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
666         prefixed all values with IPA_. Changed all users.
667         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
668         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
669         and FORMAL_IPATYPE IPA_PASS_THROUGH. 
670         (union parameter_info): Renamed to jump_func_value.
671         (union jump_func_value): Renamed value to constant
672         (struct ipa_jump_func): Renamed info_type to value
673         (struct ipa_node): Renamed to ipa_node_params
674         (struct ipa_node_params): Renamed ipa_arg_num to param_count
675         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
676         (struct ipa_node_params): Renamed ipa_mod to modified_flags
677         (struct ipa_edge): Renamed to ipa_edge_args
678         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
679         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
680         (struct ipa_methodlist): Renamed to ipa_func_list
681         (struct ipa_func_list): method_p renamed to node, next_method
682         renamed to next
683         (ipa_methodlist_p): Removed, switched all users to struct pointer
684         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
685
686 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
687
688         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
689         (rs6000_emit_epilogue): Use backchain to restore only when we
690         have a large frame.  Make use of frame pointer to restore if we
691         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
692
693 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
694
695         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
696         Add mode to zero_extract.
697         (sign bit tests peepholes): (Ditto.).
698
699 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
700
701         * config/i386/i386.c (ix86_builtins): Replace Prescott New
702         Instructions in comments with SSE3.
703         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
704         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
705         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
706         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
707         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
708         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
709         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
710         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
711         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
712         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
713         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
714         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
715         (bdesc_sse_args): Renamed to ...
716         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
717         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
718         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
719         IX86_BUILTIN_FABSQ.
720         (bdesc_1arg): Moved to ...
721         (bdesc_args): Here.
722         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
723         Instructions in comments with SSE3.
724         (ix86_expand_sse_operands_builtin): Renamed to ...
725         (ix86_expand_args_builtin): This.  Updated.
726         (ix86_expand_unop1_builtin): Update comments.
727         (ix86_expand_builtin): Updated.
728
729 2008-04-29  Richard Guenther  <rguenther@suse.de>
730
731         PR tree-optimization/36078
732         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
733         Update virtual SSA form after cleaning up the CFG.
734
735 2008-04-29  Richard Guenther  <rguenther@suse.de>
736
737         PR middle-end/15255
738         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
739
740 2008-04-29  Richard Guenther  <rguenther@suse.de>
741
742         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
743         (compute_may_aliases): Do not call finalize_ref_all_pointers.
744         (compute_flow_insensitive_aliasing): Do not treat
745         PTR_IS_REF_ALL pointers special.
746         (get_smt_for): Likewise.
747         (may_alias_p): Re-structure.
748         (is_escape_site): A ref-all pointer conversion is not an escape site.
749         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
750         PTR_IS_REF_ALL pointers special.
751         * tree-ssa-structalias.h (struct alias_info): Remove
752         ref_all_symbol_mem_tag field.
753         (PTR_IS_REF_ALL): Remove.
754
755 2008-04-29  Richard Guenther  <rguenther@suse.de>
756
757         PR middle-end/36077
758         * fold-const.c (extract_muldiv_1): In combining division constants
759         make sure to never overflow.
760
761 2008-04-29  Nick Clifton  <nickc@redhat.com>
762
763         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
764
765 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
766
767         PR bootstrap/35169
768         * optc-gen.awk: Work around HP-UX/IA awk bug.
769
770 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
771
772         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
773         2008-04-25 commit.
774
775 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
776
777         PR target/36073
778         * config/i386/i386.md
779         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
780         Change operand 1 predicate to nonimmediate_operand.
781
782 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
783
784         PR debug/36060
785         * dwarf2out.c (struct die_struct): Mark as chain_circular through
786         die_sub field.
787         * gengtype.c (walk_type, write_func_for_structure): Handle
788         chain_circular.
789         * doc/gty.texi: Document chain_circular.
790
791 2008-04-28  Richard Guenther  <rguenther@suse.de>
792
793         PR tree-optimization/36066
794         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
795         SCEV and loop.
796
797 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
798
799         PR target/36064
800         * config/i386/i386.md
801         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
802         Use match_scratch instead of match_operand for operands 3 and 4.
803
804 2008-04-27  Richard Guenther  <rguenther@suse.de>
805
806         PR tree-optimization/18754
807         PR tree-optimization/34223
808         * tree-pass.h (pass_complete_unrolli): Declare.
809         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
810         loop size before and after unconditionally of UL_NO_GROWTH in effect.
811         Rewrite loop into loop closed SSA form if it is not already.
812         (tree_unroll_loops_completely): Re-structure to iterate over
813         innermost loops with intermediate CFG cleanups.
814         Unroll outermost loops only if requested or the code does not grow
815         doing so.
816         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
817         loops are available.
818         (tree_vectorize): Instead do so here.
819         (tree_complete_unroll): Also unroll outermost loops.
820         (tree_complete_unroll_inner): New function.
821         (gate_tree_complete_unroll_inner): Likewise.
822         (pass_complete_unrolli): New pass.
823         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
824         uses outside of the loop.
825         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
826         form if it is available.  
827         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
828         * passes.c (init_optimization_passes): Schedule complete inner
829         loop unrolling pass before the first CCP pass after final inlining.
830
831 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
832
833         * targhooks.h (default_emutls_var_fields,
834         default_emutls_var_init): Declare.
835         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
836         * target.h (struct gcc_target): Add struct emutls member.
837         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
838         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
839         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
840         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
841         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
842         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
843         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
844         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
845         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
846         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
847         emit debug information.
848         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
849         * varasm.c: Include targhooks.h.
850         (emutls_object_section, emutls_tmpl_section): New.
851         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
852         (EMUTLS_SEPARATOR): New.
853         (prefix_name): New.
854         (get_emutls_object_name): New.
855         (default_emutls_var_fields): New, broken out of ...
856         (get_emutls_object_type): ... here.  Adjust to use target hooks.
857         (get_emutls_init_templ_addr): Adjust to use target hooks.
858         (emutls_decl): Adjust to use target hooks.
859         (emutls_finish): Likewise.
860         (default_emutls_var_init): New, broken out of ...
861         (assemble_variable): ... here.  Adjust to use target hooks.
862         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
863         SECCAT_EMUTLS_TMPL.
864         * c-common.c (handle_section_attribute): Prevent overriding
865         sections for emulated tls with special sections.
866         * config/i386/i386.c (x86_64_elf_select_section): Add
867         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
868         (x86_64_elf_unique_section): Likewise.
869         * config/vxworks.c: Include tree.h.
870         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
871         (vxworks_override_options): Set TLS scheme.
872         * doc/tm.texi (Emulated TLS): New node.
873
874 2008-04-26  Simon Baldwin <simonb@google.com>
875
876         PR c/35652
877         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
878         with propagated string constants.
879
880 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
881
882         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
883         constraint for operand 2 when operand 0 is memory operand.
884         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
885         operand 0 is memory operand.
886         (fix_trunc<mode>_i387_with_temp): Ditto.
887         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
888         operand 2 when operand 1 is memory operand.
889         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
890         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
891         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
892         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
893         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
894         operands 2,3 and 4 when operand 1 is memory operand.
895         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
896         is memory operand.
897         (fistdi2_floor_with_temp): Ditto.
898         (fist<mode>2_floor_with_temp): Ditto.
899         (fistdi2_ceil_with_temp): Ditto.
900         (fist<mode>2_ceil_with_temp): Ditto.
901         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
902
903 2008-04-26  David Daney  <ddaney@avtrex.com>
904
905         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
906         unspec_volitile.
907         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
908         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
909         UNSPEC_UPDATE_GOT_VERSION): Renumber.
910         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
911         (compare_and_swap_12): New insn.
912         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
913         * config/mips/mips.c (mips_force_binary): New function.
914         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
915         (mips_expand_compare_and_swap_12): New function.
916         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
917
918 2008-04-25  Jan Hubicka  <jh@suse.cz>
919
920         PR testsuite/35843
921         * cfgexpand.c (pass_expand): Turn into RTL pass.
922         * passes.c (execute_one_pass): Do pass typechecking after execution.
923         * tree-pass.h (pass_expand): Turn into RTL pass.
924
925         * function.h (struct rtl_data): Move here fields
926         accesses_prior_frames, calls_eh_return, saves_all_registers,
927         has_nonlocal_goto, has_asm_statement, is_thunk,
928         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
929         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
930         arg_pointer_save_area_init from struct function; turn into bool.
931         (struct function): Move
932         calls_eh_return, saves_all_registers, has_nonlocal_goto,
933         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
934         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
935         tail_call_emit, arg_pointer_save_area_init
936         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
937         (current_function_returns_struct, current_function_returns_pcc_struct,
938         current_function_calls_setjmp, current_function_calls_alloca,
939         current_function_accesses_prior_frames,
940         current_function_calls_eh_return, current_function_is_thunk,
941         current_function_stdarg, current_function_profile,
942         current_function_limit_stack, current_function_uses_pic_offset_table,
943         current_function_uses_const_pool, current_function_has_nonlocal_label,
944         current_function_saves_all_registers,
945         current_function_has_nonlocal_goto,
946         current_function_has_asm_statement): Remove accesor macros.
947         * ra-conflict.c (global_conflicts): Update.
948         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
949         (suitable_for_tail_call_opt_p): Update.
950         * builtins.c (expand_builtin_return_addr): Update.
951         (expand_builtin_setjmp_setup): Update.
952         (expand_builtin_nonlocal_goto): Update.
953         * final.c (final_start_function): Update.
954         (profile_function): Update.
955         (leaf_function_p): Update.
956         (only_leaf_regs_used): Update.
957         * df-scan.c (df_get_exit_block_use_set): Update.
958         * dojump.c (clear_pending_stack_adjust): Update.
959         * tree-stdarg.c (gate_optimize_stdarg): Update.
960         * gimple-low.c (lower_function_body): Update.
961         * global.c (compute_regsets): Update.
962         (global_alloc): Update.
963         * dwarf2out.c (dwarf2out_begin_prologue): Update.
964         * expr.c (expand_assignment): Update.
965         * dse.c (dse_step0): Update.
966         (dse_step1): Update.
967         * c-decl.c (store_parm_decls): Update.
968         * local-alloc.c (combine_regs): Update.
969         (find_free_reg): Update.
970         * function.c (assign_parms_augmented_arg_list): Update.
971         (assign_parm_find_data_types): Update.
972         (assign_parms): Update.
973         (allocate_struct_function): Update.
974         (expand_function_start): Update.
975         (expand_function_end): Update.
976         (get_arg_pointer_save_area): Update.
977         (thread_prologue_and_epilogue_insns): Update.
978         (rest_of_match_asm_constraints): Update.
979         * stor-layout.c (variable_size): Update.
980         * gcse.c (gcse_main): Update.
981         (bypass_jumps): Update.
982         * gimplify.c (gimplify_function_tree): Update.
983         * calls.c (emit_call_1): Update.
984         (expand_call): Update.
985         * bt-load.c (compute_defs_uses_and_gen): Update.
986         * except.c (sjlj_assign_call_site_values): Update.
987         (sjlj_emit_function_enter): Update.
988         (can_throw_external): Update.
989         (set_nothrow_function_flags): Update.
990         (expand_builtin_unwind_init): Update.
991         (expand_eh_return): Update.
992         (convert_to_eh_region_ranges): Update.
993         (output_function_exception_table): Update.
994         * emit-rtl.c (gen_tmp_stack_mem): Update.
995         * cfgexpand.c (expand_used_vars): Update.
996         (tree_expand_cfg): Update.
997         * cfgcleanup.c (rest_of_handle_jump): Update.
998         * explow.c (allocate_dynamic_stack_space): Update.
999         * varasm.c (assemble_start_function): Update.
1000         (force_const_mem): Update.
1001         (mark_constant_pool): Update.
1002         * tree-optimize.c (tree_rest_of_compilation): Update.
1003         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
1004         * tree-cfg.c (notice_special_calls): Update.
1005         (is_ctrl_altering_stmt): Update.
1006         (tree_can_make_abnormal_goto): Update.
1007         (tree_purge_dead_abnormal_call_edges): Update.
1008         * config/alpha/predicates.md: Update.
1009         * config/alpha/alpha.c (alpha_sa_mask): Update.
1010         (alpha_sa_size): Update.
1011         (alpha_does_function_need_gp): Update.
1012         (alpha_expand_prologue): Update.
1013         (alpha_start_function): Update.
1014         (alpha_output_function_end_prologue): Update.
1015         (alpha_expand_epilogue): Update.
1016         * config/frv/frv.c (frv_stack_info): Update.
1017         (frv_expand_epilogue): Update.
1018         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
1019         (s390_register_info): Update.
1020         (s390_frame_info): Update.
1021         (s390_init_frame_layout): Update.
1022         (s390_can_eliminate): Update.
1023         (save_gprs): Update.
1024         * config/spu/spu.c (spu_split_immediate): Update.
1025         (need_to_save_reg): Update.
1026         (spu_expand_prologue): Update.
1027         (spu_expand_epilogue): Update.
1028         * config/sparc/sparc.md: Update.
1029         * config/sparc/sparc.c (eligible_for_return_delay): Update.
1030         (sparc_tls_got): Update.
1031         (legitimize_pic_address): Update.
1032         (sparc_emit_call_insn): Update.
1033         (sparc_expand_prologue): Update.
1034         (output_return): Update.
1035         (print_operand): Update.
1036         (sparc_function_ok_for_sibcall): Update.
1037         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
1038         * config/m32r/m32r.md: Update.
1039         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
1040         (m32r_compute_frame_size): Update.
1041         (m32r_expand_prologue): Update.
1042         (m32r_expand_epilogue): Update.
1043         (m32r_legitimize_pic_address): Update.
1044         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
1045         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
1046         * config/i386/i386.c (ix86_frame_pointer_required): Update.
1047         (gen_push): Update.
1048         (ix86_save_reg): Update.
1049         (ix86_compute_frame_layout): Update.
1050         (ix86_expand_prologue): Update.
1051         (ix86_expand_epilogue): Update.
1052         * config/sh/sh.c (output_stack_adjust): Update.
1053         (calc_live_regs): Update.
1054         (sh5_schedule_saves): Update.
1055         (sh_expand_prologue): Update.
1056         (sh_expand_epilogue): Update.
1057         (sh_setup_incoming_varargs): Update.
1058         (sh_allocate_initial_value): Update.
1059         (sh_get_pr_initial_val): Update.
1060         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
1061         * config/sh/sh.md (label:): Update.
1062         * config/avr/avr.c (out_movhi_mr_r): Update.
1063         * config/crx/crx.h (enum): Update.
1064         * config/xtensa/xtensa.h (along): Update.
1065         * config/stormy16/stormy16.c Update.
1066         (xstormy16_compute_stack_layout): Update.
1067         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
1068         (fr30_expand_prologue): Update.
1069         * config/cris/cris.c (cris_conditional_register_usage): Update.
1070         (cris_reg_saved_in_regsave_area): Update.
1071         (cris_initial_frame_pointer_offset): Update.
1072         (cris_simple_epilogue): Update.
1073         (cris_expand_prologue): Update.
1074         (cris_expand_epilogue): Update.
1075         (cris_expand_pic_call_address): Update.
1076         (cris_asm_output_symbol_ref): Update.
1077         (cris_asm_output_label_ref): Update.
1078         * config/cris/cris.md Update.
1079         * config/iq2000/iq2000.c (compute_frame_size): Update.
1080         (iq2000_expand_epilogue): Update.
1081         * config/mt/mt.h (save_direction): Update.
1082         * config/mn10300/mn10300.c (mn10300_function_value): Update.
1083         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
1084         (ia64_secondary_reload_class): Update.
1085         * config/m68k/m68k.c (m68k_save_reg): Update.
1086         (m68k_expand_prologue): Update.
1087         (m68k_expand_epilogue): Update.
1088         (legitimize_pic_address): Update.
1089         * config/rs6000/rs6000.c (rs6000_got_register): Update.
1090         (first_reg_to_save): Update.
1091         (first_altivec_reg_to_save): Update.
1092         (compute_vrsave_mask): Update.
1093         (compute_save_world_info): Update.
1094         (rs6000_stack_info): Update.
1095         (spe_func_has_64bit_regs_p): Update.
1096         (rs6000_ra_ever_killed): Update.
1097         (rs6000_emit_eh_reg_restore): Update.
1098         (rs6000_emit_allocate_stack): Update.
1099         (rs6000_emit_prologue): Update.
1100         (rs6000_emit_epilogue): Update.
1101         (rs6000_output_function_epilogue): Update.
1102         (output_profile_hook): Update.
1103         (rs6000_elf_declare_function_name): Update.
1104         * config/rs6000/rs6000.h (rs6000_args): Update.
1105         * config/rs6000/rs6000.md: Update.
1106         * config/mcore/mcore.c (mcore_expand_prolog): Update.
1107         * config/arc/arc.c (arc_output_function_epilogue): Update.
1108         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
1109         * config/darwin.c (machopic_function_base_name): Update.
1110         * config/score/score3.c (score3_compute_frame_size): Update.
1111         (rpush): Update.
1112         (rpop): Update.
1113         (score3_epilogue): Update.
1114         * config/score/score7.c (score7_compute_frame_size): Update.
1115         (score7_prologue): Update.
1116         (score7_epilogue): Update.
1117         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
1118         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
1119         * config/arm/arm.c (use_return_insn): Update.
1120         (require_pic_register): Update.
1121         (arm_load_pic_register): Update.
1122         (arm_compute_save_reg0_reg12_mask): Update.
1123         (arm_compute_save_reg_mask): Update.
1124         (thumb1_compute_save_reg_mask): Update.
1125         (output_return_instruction): Update.
1126         (arm_output_function_prologue): Update.
1127         (arm_output_epilogue): Update.
1128         (arm_get_frame_offsets): Update.
1129         (arm_expand_prologue): Update.
1130         (thumb_pushpop): Update.
1131         (thumb_exit): Update.
1132         (thumb1_expand_prologue): Update.
1133         (thumb1_expand_epilogue): Update.
1134         (arm_unwind_emit): Update.
1135         (arm_output_fn_unwind): Update.
1136         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
1137         * config/arm/arm.md: Update.
1138         * config/pa/pa.md: Update.
1139         * config/pa/pa.c (legitimize_pic_address): Update.
1140         (compute_frame_size): Update.
1141         (hppa_expand_prologue): Update.
1142         (hppa_expand_epilogue): Update.
1143         (borx_reg_operand): Update.
1144         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
1145         (HARD_REGNO_RENAME_OK): Update.
1146         * config/mips/mips.c (mips_global_pointer): Update.
1147         (mips_save_reg_p): Update.
1148         (mips_compute_frame_info): Update.
1149         (mips_frame_pointer_required): Update.
1150         (mips_expand_prologue): Update.
1151         (mips_expand_epilogue): Update.
1152         (mips_can_use_return_insn): Update.
1153         (mips_reorg_process_insns): Update.
1154         * config/v850/v850.c (compute_register_save_size): Update.
1155         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
1156         * config/mmix/mmix.c (along): Update.
1157         (mmix_expand_epilogue): Update.
1158         * config/bfin/bfin.c (legitimize_pic_address): Update.
1159         (must_save_p): Update.
1160         (stack_frame_needed_p): Update.
1161         (add_to_reg): Update.
1162         (bfin_expand_prologue): Update.
1163         * stmt.c (expand_asm_operands): Update.
1164         * reload1.c (reload): Update.
1165         (init_elim_table): Update.
1166
1167 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
1168         
1169         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
1170         
1171 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
1172
1173         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
1174         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
1175         (mov<mode>): Removed.
1176         (*movv4sf_internal): Likewise.
1177         (*movv2df_internal): Likewise.
1178
1179 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
1180
1181         * config.gcc (crx-*-elf): Remove deprecation.
1182
1183 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
1184
1185         * config/i386/cygming-crtend.c (register_frame_ctor): Register
1186         __gcc_deregister_frame with atexit.
1187         (deregister_frame_dtor): Remove.
1188
1189 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
1190             Nathan Sidwell  <nathan@codesourcery.com>
1191
1192         * config/rs6000/rs6000.opt (mspe): Remove Var property.
1193         (misel): Likewise.
1194         * config/rs6000/rs6000.h (rs6000_spe): Declare.
1195         (rs6000_isel): Likewise.
1196         * config/rs6000/rs6000.c (rs6000_spe): New variable.
1197         (rs6000_isel): New variable.
1198         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
1199
1200 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
1201
1202         PR c++/35758
1203         * c-common.c (handle_vector_size_attribute): Call
1204         lang_hooks.types.reconstruct_complex_type instead of
1205         reconstruct_complex_type.
1206         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
1207         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
1208         * langhooks.h (struct lang_hooks_for_types): Add
1209         reconstruct_complex_type hook.
1210         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
1211         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
1212
1213 2008-04-24  Richard Guenther  <rguenther@suse.de>
1214
1215         * c-common.h (check_builtin_function_arguments): Declare.
1216         * c-common.c (validate_nargs): New function.
1217         (check_builtin_function_arguments): Likewise.
1218         * c-typeck.c (build_function_call): Call
1219         check_builtin_function_arguments.
1220         * builtins.c (fold_builtin_classify): Remove error reporting code.
1221         (fold_builtin_unordered_cmp): Likewise.
1222         (fold_builtin_1): Likewise.
1223         (fold_builtin_n): Likewise.
1224
1225 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
1226
1227         PR tree-optimization/36008
1228         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
1229         the original op1, rather than delta by step.
1230
1231 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
1232             Sebastian Pop  <sebastian.pop@amd.com>
1233
1234         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
1235         eliminate_local_variables_stmt, eliminate_local_variables,
1236         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
1237         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
1238         of code delimited by two edges in the CFG.
1239         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
1240         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
1241         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
1242         the case of parallelisation of reductions.
1243         (expr_invariant_in_region_p): New.
1244
1245         * tree-flow.h (gather_blocks_in_sese_region): Declared.
1246         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
1247
1248 2008-04-24  Ira Rosen  <irar@il.ibm.com>
1249             Richard Guenther  <rguenther@suse.de>
1250
1251         PR tree-optimization/36034
1252         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
1253         incapable of dealing with loads with gaps.
1254
1255 2008-04-24  Rafael Espindola  <espindola@google.com>
1256
1257         * tree-flow.h (vrp_evaluate_conditional): Change signature.
1258         * tree-ssa-propagate.c (fold_predicate_in): Update call to
1259         vrp_evaluate_conditional.
1260         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
1261         (vrp_evaluate_conditional): Split the cond argument.
1262         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
1263         (simplify_stmt_for_jump_threading): Update call to
1264         vrp_evaluate_conditional.
1265
1266 2008-04-24  Ira Rosen  <irar@il.ibm.com>
1267
1268         PR tree-optimization/35982
1269         * tree-vect-analyze.c (vect_check_interleaving): Check that the
1270         interleaved data-refs are of the same type.
1271
1272 2008-04-24  Danny Smith  <dannysmith@users.net>
1273
1274         * c-format.c (check_format_info_main): Use strncmp rather than a
1275         magic prefix to handle multichar length specs.
1276         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
1277         Don't prefix "I64" and "I32" with '\0'.
1278
1279 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
1280
1281         PR target/36015
1282         * config/i386/i386.c (init_cumulative_args): Don't pass anything
1283         in registers for -m32 only if stdarg_p (fntype).
1284
1285 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
1286
1287         PR rtl-optimization/36006
1288         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
1289         temp to op0 in order to avoid invalid rtx sharing.
1290
1291 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
1292
1293         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
1294         check TREE_INVARIANT.
1295         * tree-gimple.c (is_gimple_address): New.
1296         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
1297         * tree-gimple.h (is_gimple_address): New.
1298         * tree.h (decl_address_invariant_p): New.
1299         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
1300         (build_string): Likewise.
1301         (decl_address_invariant_p): New, from is_gimple_invariant_address.
1302         (tree_invariant_p_1): Likewise.
1303         (save_expr): Use it.
1304         (tree_invariant_p): New.
1305         (skip_simple_arithmetic): Use it.
1306         (stabilize_reference_1): Use it.
1307         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
1308         simplify.
1309         (build1_stat): Drop code to compute TREE_INVARIANT.
1310         (build2_stat): Drop code to compute TREE_INVARIANT.
1311         (build3_stat): Drop code to compute TREE_INVARIANT.
1312         (build4_stat): Drop code to compute TREE_INVARIANT.
1313         (build5_stat): Drop code to compute TREE_INVARIANT.
1314         (build7_stat): Drop code to compute TREE_INVARIANT.
1315         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
1316         * tree.h (struct tree_base): Remove invariant_flag.
1317         (TREE_INVARIANT): Remove.
1318         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
1319         (fold_builtin_expect): Check TREE_CONSTANT.
1320         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
1321         * c-tree.h (c_expr_to_decl): Drop third parameter.
1322         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
1323         (build_c_cast): Don't set TREE_INVARIANT.
1324         (pop_init_level): Don't set TREE_INVARIANT.
1325         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
1326         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
1327         TREE_CONSTANT.
1328         (gimplify_init_constructor): Don't set TREE_INVARIANT.
1329         (gimplify_addr_expr): Adjust comment.
1330         * tree-mudflap.c (mf_build_string):
1331         * print-tree.c (print_node): Don't print TREE_INVARIANT.
1332         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
1333         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
1334         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
1335         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
1336         * langhooks.h (struct lang_hooks): Drop third parameter from
1337         expr_to_decl.
1338
1339 2008-04-23  Richard Guenther  <rguenther@suse.de>
1340
1341         PR tree-optimization/27799
1342         PR tree-optimization/32921
1343         PR tree-optimization/32624
1344         * tree-ssa-structalias.c (merge_smts_into): Only merge the
1345         SMTs aliases and the tag itself into the solution.
1346         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
1347         merge the points-to solution back into the SMT aliases.
1348         (may_alias_p): Use alias_set_subset_of instead of
1349         aliases_conflict_p.  A pointer which points to
1350         memory with alias set zero may access any variable.
1351
1352 2008-04-23  Richard Guenther  <rguenther@suse.de>
1353
1354         * alias.c (alias_set_subset_of): Correctly handle asking
1355         if zero is a subset of an alias set with zero child.
1356         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
1357         (compute_flow_insensitive_aliasing): Correctly walk all
1358         pointers.  Do not unnecessarily union sets.
1359
1360 2008-04-23  Richard Guenther  <rguenther@suse.de>
1361
1362         PR middle-end/36021
1363         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
1364
1365 2008-04-22  Tomas Bily  <tbily@suse.cz>
1366
1367         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
1368         unreachable case.
1369         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
1370         NON_LVALUE_EXPR.
1371         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
1372         * tree-ssa-structalias.c (get_constraint_for): Likewise.
1373         * tree-inline.c (estimate_num_insns_1): Likewise.
1374         * varasm.c (const_hash_1, compare_constant, copy_constant)
1375         (compute_reloc_for_constant, output_addressed_constants): Likewise.
1376         * emit-rtl.c (component_ref_for_mem_expr)
1377         (set_mem_attributes_minus_bitpos): Likewise.
1378         * expr.c (highest_pow2_factor, expand_expr_real_1, )
1379         (is_aligning_offset): Likewise.
1380         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
1381         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
1382         * dojump.c (do_jump): Likewise.
1383         * builtins.c (get_pointer_alignment, get_memory_rtx)
1384         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
1385         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
1386
1387 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
1388
1389         PR rtl-optimization/36017
1390         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
1391         expanding the library call.
1392
1393 2008-04-22  Ian Lance Taylor  <iant@google.com>
1394
1395         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
1396         than size_in_bytes.
1397
1398 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
1399
1400         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
1401         of LR/CTR moves for Power6.
1402
1403 2008-04-22  Kenneth Zadeck <zadeck@naturalbridge.com>
1404
1405         PR middle-end/36003
1406         * passes.c (init_optimization_passes): Remove
1407         pass_fast_rtl_byte_dce.
1408         
1409 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
1410
1411         PR target/29096
1412         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
1413         builtin functions to generate faster code.
1414         (_mm_cvtpu16_ps): Ditto.
1415         (_mm_cvtpi32x2_ps): Ditto.
1416
1417 2008-04-22  Nick Clifton  <nickc@redhat.com>
1418
1419         * common.opt (ftree-loop-distribution): Add Optimization
1420         attribute.
1421
1422         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
1423         (frv_expand_builtin_va_start): Likewise.
1424
1425         * config/arm/arm.c (thumb_find_work_register): Fix location of
1426         argument register count.
1427
1428 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
1429
1430         Support scheduling for ColdFire V1 and V3 microarchitecture.
1431         Improve scheduling of multiplication instructions.
1432
1433         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
1434         (mac): New instruction attribute.
1435         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
1436         (m68k_sched_mac): New variable.
1437         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
1438         Handle cfv1 and cfv3.
1439         (max_insn_size): New static variable.
1440         (struct _sched_ib): New type.
1441         (sched_ib): New static variable.
1442         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
1443         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
1444         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
1445         Update.
1446         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
1447         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
1448         new variables.  Update.
1449         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
1450         Add modeling of cfv3 instruction buffer.  Update.
1451         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
1452         * config/m68k/m68k.h (TUNE_CFV3): New macro.
1453         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
1454         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
1455         a particular reservation applies to.
1456         (type2): Reorganize attribute values.  Rename alu to alu_reg,
1457         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
1458         to mul_l and mul_w.
1459         (cf_ib_*): Simplify description of instruction buffer.
1460         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
1461         (cf_mem): Split into cf_mem1 and cf_mem2.
1462         (cf_v2_move_??): Rename to cfv12_alu_??.
1463         (cf_v2_move_l_??): Rename to cfv12_omove_??.
1464         (cf_v2_mul_??): Remove reservations.
1465         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
1466         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
1467         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
1468         appropriate place.
1469         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
1470         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
1471         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
1472         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
1473         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
1474         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
1475         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
1476         expansions of the above reservations for instructions of sizes
1477         1, 2 and 3 words.
1478
1479 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
1480
1481         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
1482
1483 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
1484
1485         * coverage.c: Include tree-pass.h.
1486         (coverage_counter_alloc): Print da_file_name to the dump file.
1487
1488 2008-04-21  Kenneth Zadeck <zadeck@naturalbridge.com>
1489
1490         * sbitmap.c (sbitmap_range_empty_p): New function.
1491         * sbitmap.h (sbitmap_range_empty_p): New function.
1492         * bitmap.h: Now includes obstack.h.
1493
1494 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
1495             Kenneth Zadeck <zadeck@naturalbridge.com>
1496
1497         * dbgcnt.def (ra_byte_scan): Added.
1498         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
1499         when the last hit happens for a counter.  
1500         * timevar.def (TV_DF_BYTE_LR): New variable.
1501         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
1502         * passes.c (pass_fast_rtl_byte_dce): New pass.
1503         * fwprop.c (update_df): Added mode to call df_ref_create.
1504         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
1505         DF_REF_EXTRACT_OFFSET.
1506         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, 
1507         DF_BYTE_LR_OUT, df_byte_lr): New macro.
1508         (df_mm): New enum.
1509         (df_ref_extract): Added mode field.
1510         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
1511         DF_REF_EXTRACT_OFFSET.
1512         (DF_REF_EXTRACT_MODE): New macro.
1513         (df_byte_lr_bb_info): New structure.
1514         (df_print_byte_regset, df_compute_accessed_bytes, 
1515         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
1516         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
1517         df_byte_lr_simulate_uses,
1518         df_byte_lr_simulate_artificial_refs_at_top,
1519         df_byte_lr_simulate_artificial_refs_at_end,
1520         df_compute_accessed_bytes): New function.
1521         (df_ref_create): Add parameter.
1522         (df_byte_lr_get_bb_info): New inline function.
1523         * df-scan.c (df_ref_record, df_uses_record,
1524         df_ref_create_structure): Added mode parameter.
1525         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, 
1526         df_defs_record, df_uses_record, df_get_conditional_uses,
1527         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, 
1528         df_entry_block_defs_collect, df_exit_block_uses_collect):
1529         Added mode parameter to calls to df_ref_record, df_uses_record,
1530         df_ref_create_structure.
1531         (df_ref_equal_p, df_ref_compare): Added test for modes.
1532         (df_ref_create_structure): Added code to set mode.  Renamed
1533         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
1534         DF_REF_EXTRACT_OFFSET.
1535         * df-core.c (df_print_byte_regset): New function.
1536         * df-byte-scan.c: New file.
1537         * df-problems.c (df_rd_transfer_function): Removed unnecessary
1538         calls to BITMAP_FREE.  
1539         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
1540         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
1541         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, 
1542         df_byte_lr_check_regs, df_byte_lr_expand_bitmap, 
1543         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
1544         df_byte_lr_local_compute, df_byte_lr_init,
1545         df_byte_lr_confluence_0, df_byte_lr_confluence_n, 
1546         df_byte_lr_transfer_function, df_byte_lr_free, 
1547         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
1548         df_byte_lr_add_problem, df_byte_lr_simulate_defs, 
1549         df_byte_lr_simulate_uses,
1550         df_byte_lr_simulate_artificial_refs_at_top,
1551         df_byte_lr_simulate_artificial_refs_at_end): New function.
1552         * dce.c (byte_dce_process_block): New function.
1553         (dce_process_block): au is now passed in rather than computed
1554         locally.  Changed loops that look at artificial defs to not look
1555         for conditional or partial ones, because there never are any.  
1556         (fast_dce): Now is able to drive byte_dce_process_block or 
1557         dce_process_block depending on the kind of dce being done.
1558         (rest_of_handle_fast_dce): Add parameter to fast_dce.
1559         (rest_of_handle_fast_byte_dce): New function.
1560         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
1561         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
1562
1563 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
1564
1565         PR fortran/35019
1566         * gcc.h: Added fortran options that take arguments to
1567         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
1568         macros.
1569
1570 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
1571
1572         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
1573         scalarization if on the LHS and not a full access.
1574
1575 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1576
1577         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
1578
1579 2008-04-18  Rafael Espindola  <espindola@google.com>
1580
1581         * tree-vrp.c (find_case_label_index): Fix the binary search.
1582         (find_case_label_range): New.
1583         (vrp_visit_switch_stmt): Use find_case_label_range.
1584         (simplify_switch_using_ranges): Use find_case_label_range.
1585
1586 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1587
1588         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
1589         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
1590
1591 2008-04-18  Tom Tromey  <tromey@redhat.com>
1592
1593         PR libcpp/15500:
1594         * doc/cpp.texi (Implementation-defined behavior): Mention
1595         -finput-charset.
1596
1597 2008-04-18  Ian Lance Taylor  <iant@google.com>
1598
1599         * fold-const.c (pointer_may_wrap_p): New static function.
1600         (fold_comparison): Add another test for pointer overflow.  Use
1601         pointer_may_wrap_p to disable some false positives.
1602
1603 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
1604           
1605         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
1606         (fname_as_string): Match updated cpp_interpret_string prototype.
1607         (fix_string_type): Support char16_t* and char32_t*.
1608         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
1609         derivative) nodes.  Register as builtin if C++0x.
1610         (c_parse_error): Support CPP_CHAR{16,32}.
1611         * c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
1612         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
1613         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
1614         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
1615         CTI_CHAR32_ARRAY_TYPE>: New elements.
1616         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
1617         char32_type_node, signed_char32_type_node, char16_array_type_node,
1618         char32_array_type_node): New defines.
1619         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
1620         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
1621         (lex_string): Support CPP_STRING{16,32}, match updated
1622         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
1623         (lex_charconst): Support CPP_CHAR{16,32}.
1624         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
1625         and CPP_STRING{16,32}.
1626
1627 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
1628
1629         PR bootstrap/35457
1630         * aclocal.m4: Regenerate.
1631         * configure: Regenerate.
1632
1633 2008-04-18  Jan Hubicka  <jh@suse.cz>
1634
1635         * except.c (dw2_size_of_call_site_table,
1636         sjlj_size_of_call_site_table): Use vector API for call_site_record.
1637
1638         * cgraphbuild.c (build_cgraph_edges): Update.
1639         * tree-pass.h: Update comment.
1640         * final.c (leaf_function_p): Update.
1641         (leaf_renumber_regs): Update.
1642         (rest_of_clean_state): Update.
1643         * omp-low.c (expand_omp_parallel): Update.
1644         * ipa-reference.c (analyze_function): Update.
1645         * reorg.c (find_end_label): Update.
1646         (optimize_skip): Update.
1647         (fill_simple_delay_slots): Update.
1648         (fill_simple_delay_slots): Update.
1649         (make_return_insns): Update.
1650         (dbr_schedule): Update.
1651         * gimple-low.c (record_vars_into): Update.
1652         * cfgbuild.c (make_edges): Update.
1653         * function.c (assign_stack_local): Update.
1654         (assign_parm_adjust_stack_rtl): Update.
1655         (locate_and_pad_parm): Update.
1656         (allocate_struct_function): Do not initialize stack_alignment_needed
1657         and preferred_stack_boundary here.
1658         (stack_protect_prologue): Update.
1659         (stack_protect_epilogue): Update.
1660         (expand_function_start): Initialize stack_alignment_needed,
1661         preferred_stack_boundary and max_jumptable_ents.
1662         (expand_function_end): Update.
1663         (free_after_compilation): Do not NULLify epilogue_delay_list.
1664         * function.h (struct rtl_data): Add stack_protect_guard,
1665         stack_alignment_needed,
1666         preferred_stack_boundary, epilogue_delay_list.
1667         (struct function): Remove value_histograms, stack_alignment_needed,
1668         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
1669         last_label_uid,
1670         unexpanded_var_list, stack_protect_guard.
1671         (current_function_epilogue_delay_list): Remove.
1672         * ipa-type-escape.c (analyze_function): Update.
1673         * gimplify.c (pop_gimplify_context): Update comment.
1674         * calls.c (expand_call): Update.
1675         (emit_library_call_value_1): Update.
1676         * except.c (set_nothrow_function_flags): Update.
1677         * cfgexpand.c (get_decl_align_unit): Update.
1678         (create_stack_guard): Update.
1679         (estimated_stack_frame_size): Update.
1680         (expand_used_vars): Update.
1681         (tree_expand_cfg): Free histogram earliers, init expansion variables.
1682         * explow.c (allocate_dynamic_stack_space): Update.
1683         * tree-ssa-live.c (remove_unused_locals): Update.
1684         * varasm.c (mark_constant_pool): Update.
1685         * tree-inline.c (remap_decls): Update.
1686         (initialize_cfun): Update.
1687         (declare_return_variable): Update.
1688         (inline_forbidden_p): Update.
1689         (expand_call_inline): Update.
1690         (declare_inline_vars): Update.
1691         (tree_function_versioning): Update.
1692         * tree-flow.h (value_histograms): New.
1693         (VALUE_HISTOGRAMS): New macro.
1694         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
1695         last_label_uid.
1696         * tree-cfg.c (set_bb_for_stmt): Update.
1697         (replace_by_duplicate_decl): Update.
1698         (move_block_to_fn): Update.
1699         (new_label_mapper): Update.
1700         (dump_function_to_file): Update.
1701         * ipa-struct-reorg.c (build_data_structure): Update.
1702         * cfgrtl.c (print_rtl_with_bb): Update.
1703         * reload1.c (reload): Update.
1704         (reload): Update.
1705         * config/i386/i386.c (setup_incoming_varargs_64,
1706         ix86_compute_frame_layout): Update.
1707         * config/arc/arc.c (arc_output_function_epilogue): Update.
1708
1709 2008-04-18  Marius Strobl <marius@FreeBSD.org>
1710
1711         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
1712         for FreeBSD as well.
1713         * gthr-posix95.h: Likewise.
1714
1715 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
1716
1717         PR rtl-optimization/35838
1718         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
1719         out the byte offset of the first subreg.
1720
1721 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
1722
1723         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
1724         to split_ti instead of three separate calls with single member arrays.
1725         (subti3 splitter): Ditto.
1726         (adddi3 splitter): Ditto with split_di.
1727         (subdi3 splitter): Ditto.
1728         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
1729         two separate calls with single member arrays.  Swap match_dup
1730         operands 1 and 2 to better fit into the array.
1731         (negdi2 splitter): Ditto with split_di.
1732         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
1733         two separate calls with single member arrays.  Swap match_dup operands
1734         6 and 7 to better fit into the array.
1735
1736 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
1737
1738         * config/i386/i386.c (sse_builtin_type): New.
1739         (bdesc_sse_args): Likewise.
1740         (bdesc_sse_3arg): Removed.
1741         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
1742         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
1743         IX86_BUILTIN_ROUNDPS.
1744         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
1745         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
1746         IX86_BUILTIN_ROUNDPS.
1747         (ix86_expand_sse_4_operands_builtin): Removed.
1748         (ix86_expand_sse_operands_builtin): New.
1749         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
1750         and CODE_FOR_sse4_1_roundps.
1751         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
1752         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
1753
1754 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
1755
1756         PR target/35907
1757         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
1758         regs before frame pop when needed.  If use_backchain_to_restore_sp
1759         then load backchain into a temp reg to restore vr and vrsave.  Add
1760         code to restore vr after frame pop if possible.
1761
1762 2008-04-17  Richard Guenther  <rguenther@suse.de>
1763
1764         * tree-vn.c (expressions_equal_p): Do not check type
1765         equality or compatibility before calling operand_equal_p.
1766         * fold-const.c (operand_equal_p): Check equivalence of
1767         integer constants before bailing out due to signedness or
1768         precision differences.
1769         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
1770         spurious differences in type qualification.  Ignore types
1771         for COMPONENT_REFs at all.
1772
1773 2008-04-17  Christian Bruel  <christian.bruel@st.com>
1774
1775         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
1776         msw_skip comparison.
1777         
1778 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
1779
1780         PR c/35739
1781         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
1782         reg type.
1783
1784         PR tree-optimization/35899
1785         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
1786         rather than TREE_OPERAND.
1787
1788 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
1789
1790         PR target/35944
1791         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
1792         temporary registers.  Change operand predicate to general_operand.
1793         (remainderxf3): Ditto.
1794
1795 2008-04-16  Richard Guenther  <rguenther@suse.de>
1796
1797         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
1798         * tree-affine.c (aff_combination_expand): Look through some
1799         conversions.
1800
1801 2008-04-15  Doug Kwan  <dougkwan@google.com>
1802
1803         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
1804         for hex printing.
1805         * tree-pretty-print.c (dump_generic_node): Ditto.
1806         * final.c (output_addr_const): Ditto.
1807         * dwarf2out.c (output_cfi): Ditto.
1808         * c-pretty-print.c (pp_c_integer_constant): Ditto.
1809         * print-rtl.c (print_rtx): Ditto.
1810         * print-tree.c (print_node_brief, print_node): Ditto.
1811         * c-common.c (match_case_to_enum_1): Ditto.
1812         * sched-vis.c (print_value): Ditto.
1813         * config/i386/i386.c (print_operand): Cast to long unsigned int
1814         for hex printing.
1815
1816 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
1817         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
1818         MS Windows VirtualProtect function.
1819
1820 2008-04-15  Jan Hubicka  <jh@suse.cz>
1821
1822         * gengtype.c (write_root): Param_is argument is OK.
1823         * expr.c (expand_expr_real_1): Update call of get_exception_*.
1824         * function.h: Include varray.h
1825         (rtl_eh): New stucture based on except.c one.
1826         (call_site_record): New forward declaration and vector type.
1827         * calls.c (emit_call_1): Do not call
1828         note_current_region_may_contain_throw.
1829         * except.c (eh_status): Remove cur_region, try_region since they are
1830         unused.
1831         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
1832         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
1833         sjlj_fc, sjlj_exit_after to rth_eh in function.h. 
1834         Remove call_site_data_used, call_site_data_size.
1835         Turn call_site_record into vector in function.h.
1836         (note_current_region_may_contain_throw): Remove.
1837         (get_exception_pointer, get_exception_filter): Do not take struct
1838         function argument; update.
1839         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
1840         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
1841         build_post_landing_pads, dw2_build_landing_pads,
1842         sjlj_assign_call_site_values, sjlj_mark_call_sites,
1843         sjlj_emit_function_enter, sjlj_emit_function_enter, 
1844         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
1845         sjlj_build_landing_pads, finish_eh_generation,
1846         remove_exception_handler_label, remove_eh_handler,
1847         maybe_remove_eh_handler, add_reachable_handler,
1848         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
1849         add_action_record, collect_one_action_chain, add_call_site,
1850         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
1851         sjlj_output_call_site_table, output_function_exception_table,
1852         * except.h (note_current_region_may_contain_throw): Remove
1853         (get_exception_pointer, get_exception_filter): Do not take struct
1854         function argument.
1855         * Makefile.in (GTFILES): Put varargs before struct function.
1856
1857 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
1858
1859         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
1860         punt for STRING_CST.
1861         (get_constraint_for): Deal with STRING_CST here instead.
1862
1863 2008-04-15  Richard Guenther  <rguenther@suse.de>
1864
1865         * tree-ssa-propagate.c (substitute_and_fold): Substitute
1866         statements in a basic-block with a backward walk.  Do not
1867         substitute into dead statements but instead remove those.
1868
1869 2008-04-15  Richard Guenther  <rguenther@suse.de>
1870
1871         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
1872         to zero, thus disable creation of SFTs.
1873
1874 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
1875
1876         * tree-predcom.c (suitable_reference_p): Return false if the
1877         reference can throw.
1878
1879 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
1880
1881         PR c/35751
1882         * c-decl.c (finish_decl): If extern or static var has variable
1883         size, set TREE_TYPE (decl) to error_mark_node.
1884
1885 2008-04-15  Rafael Espindola  <espindola@google.com>
1886
1887         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
1888         variable arg1.
1889
1890 2008-04-15  Richard Guenther  <rguenther@suse.de>
1891
1892         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
1893         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
1894         (visit_reference_op_load): Do walk vuse-vdef chains on
1895         vn_reference_lookup.
1896         (visit_reference_op_store): But do not here.
1897         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
1898         vn_reference_lookup.
1899         (vn_lookup_with_vuses): But do so here.
1900
1901 2008-04-14  Ian Lance Taylor  <iant@google.com>
1902
1903         * fold-const.c (fold_overflow_warning): Remove assertion.
1904
1905 2008-04-15  Ben Elliston  <bje@au.ibm.com>
1906
1907         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
1908         temp1 local variables.
1909
1910 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
1911
1912         PR target/35661
1913         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
1914         ".text.unlikely" section as executable.
1915
1916 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
1917
1918         * config/ia64/ia64.c (rtx_needs_barrier): Handle
1919         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
1920         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
1921         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
1922         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
1923         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
1924         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
1925
1926 2008-04-14  Ian Lance Taylor  <iant@google.com>
1927
1928         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
1929         * fold-const.c (fold_comparison): If appropriate, test
1930         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
1931         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
1932         reassociating a pointer type.
1933         * doc/invoke.texi (Optimize Options): Document that
1934         -fstrict-overflow applies to pointer wraparound.
1935
1936 2008-04-13  Jan Hubicka  <jh@suse.cz>
1937
1938         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
1939
1940 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
1941
1942         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
1943         we are going to "save the world".
1944
1945 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
1946
1947         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
1948         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
1949         operand 0 constraint, not "=".
1950
1951 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
1952
1953         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
1954
1955 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
1956
1957         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
1958         of size of positions_needed * CHAR_BIT.
1959
1960 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
1961
1962         PR middle-end/35897
1963         * dse.c (store_info): Change positions_needed to unsigned
1964         HOST_WIDE_INT.
1965         (lowpart_bitmask): New.
1966         (record_store): Cast to unsigned HOST_WIDE_INT for
1967         positions_needed.  Assert width <= size of positions_needed *
1968         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
1969         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
1970         lowpart_bitmask to set mask.
1971
1972 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1973
1974         * config/bfin/constraints.md: New file.
1975         * config/bfin/bfin.md: Include it.
1976         (adddi3): Use satisfies_constraint functions instead of the old macros.
1977         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
1978         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
1979         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
1980         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
1981         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
1982         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
1983         EXTRA_CONSTRAINT): Delete.
1984         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
1985         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
1986         of the old macros.
1987         * config/bfin/bfin.c: Include "tm-constrs.h".
1988         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
1989         Use satisfies_constraint functions instead of the old macros.
1990         * doc/md.texi (Blackfin Constraints): Update file name reference.
1991
1992 2008-04-11  Richard Guenther  <rguenther@suse.de>
1993
1994         PR tree-optimization/35869
1995         * tree-vrp.c (execute_vrp): Move switch statement update after
1996         jump threading.  Schedule another cfg cleanup run.
1997
1998 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
1999
2000         PR c/35744
2001         * attribs.c (decl_attributes): Return early on errorneous node.
2002
2003 2008-04-10  Oleg Ryjkov  <olegr@google.com>
2004
2005         * tree.h (struct tree_base): Added a new flag default_def_flag.
2006         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
2007
2008 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2009
2010         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
2011
2012 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2013
2014         PR target/35768
2015         * pa.md: Define mode iterator P.  Define mode attribute dwc.
2016         (dcacheflush): Update pattern to use iterator P and attribute dwc.
2017         (icacheflush): Likewise.
2018         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
2019         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
2020
2021 2008-04-11  Ben Elliston  <bje@au.ibm.com>
2022
2023         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
2024
2025 2008-04-10  Rafael Espindola  <espindola@google.com>
2026
2027         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
2028         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
2029         (extract_range_from_expr): The same.
2030
2031 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
2032
2033         * config/mips/mips.md (GPR2): New mode iterator.
2034         (seq): Add comment.
2035         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
2036         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
2037         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
2038         Rewrite these to take two modes, the mode of comparison and the
2039         mode of the destination.
2040         * config/mips/mips.c (mips_expand_scc): Instead of having
2041         paradoxical subreg as destination, expand "narrowing" scc if mode
2042         of comparison is SI and target is requested in DI mode.
2043         (mips_emit_int_order_test): Update comment.  Make mode of
2044         comparison match CMP0 rather than TARGET.  When creating inverse
2045         target use mode of TARGET.
2046
2047 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
2048
2049         * gcov-dump.c (tag_summary): Only print summaries for the first
2050         GCOV_COUNTERS_SUMMABLE counters.
2051
2052 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
2053
2054         * config/i386/i386.md (absneg): New code iterator.
2055         (absnegprefix): New code attribute.
2056         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
2057         patterns using absneg code iterator.
2058         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
2059         using absneg code iterator.
2060         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
2061         *neg<mode>2 patterns using absneg code iterator.
2062         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
2063         *negextendsfdf2 patterns using absneg code iterator.
2064         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
2065         *negextendsfxf2 patterns using absneg code iterator.
2066         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
2067         *negextendsfdf2 patterns using absneg code iterator.
2068         * config/i386/sse.md (<code><mode>2): Macroize expander from
2069         abs<mode>2 and neg<mode>2 patterns using absneg code iterator. 
2070
2071 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
2072
2073         * config/s390/s390.h: Remove the remains of the recent search
2074         & replace action of current_function_outgoing_args_size.
2075
2076 2008-04-10  Ira Rosen  <irar@il.ibm.com>
2077
2078         PR tree-optimization/35821
2079         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
2080         NEW_STMT_LIST is not NULL.
2081
2082 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
2083
2084         PR libstdc++/35597
2085         * toplev.c (process_options): Remove -ffunction-sections debugging
2086         warning.
2087
2088 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
2089
2090         PR middle-end/PR28690
2091         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
2092         than gen_rtx_fmt_ee to perform more canonicalizations.
2093
2094 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2095
2096         PR driver/35665
2097         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
2098
2099 2008-04-09  Richard Guenther  <rguenther@suse.de>
2100
2101         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
2102         (dump_function_to_file): Dump function arguments with types.
2103
2104 2008-04-08  Richard Guenther  <rguenther@suse.de>
2105
2106         * fold-const.c (fold_widened_comparison): Do not allow
2107         sign-changes that change the result.
2108
2109 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
2110
2111         PR target/35839
2112         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
2113         kinds of indirect references.
2114
2115 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
2116
2117         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
2118         GNU Fortran language string.
2119
2120 2008-04-08  Rafael Espindola  <espindola@google.com>
2121
2122         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
2123         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
2124         * tree.h (tree_call_nonnegative_warnv_p): New.
2125
2126 2008-04-08  Jan Hubicka  <jh@suse.cz>
2127
2128         * function.c (free_after_compilation): Clear out regno_reg_rtx
2129         pointer.
2130
2131 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
2132
2133         Revert
2134         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
2135
2136         PR middle-end/PR28690
2137         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
2138         same precedence as REG_POINTER and MEM_POINTER operands.
2139
2140 2008-04-08  Richard Guenther  <rguenther@suse.de>
2141
2142         PR middle-end/35834
2143         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
2144         for adding index to base.
2145
2146 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
2147
2148         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
2149         (MINGW_ENABLE_EXECUTE_STACK): New.
2150         (IN_LIBGCC2): For libgcc include windows.h file for
2151         function declarations.
2152
2153 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
2154
2155         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
2156         and tem2 if tem1 is not a REG or MULT.
2157
2158 2008-04-08  Jan Hubicka  <jh@suse.cz>
2159
2160         * function.h (incomming_args): Break out of struct function.
2161         (function_subsections): Break out of struct function.
2162         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
2163         return_rtx and hard_reg_initial_vals from struct function.
2164         Kill inl_max_label_num.
2165         (current_function_pops_args, current_function_args_info,
2166         current_function_args_size, current_function_args_size,
2167         current_function_pretend_args_size,
2168         current_function_outgoing_args_size,
2169         current_function_internal_arg_pointer, current_function_return_rtx):
2170         Kill compatibility accestor macros.
2171         * builtins.c (expand_builtin_apply_args_1): Update.
2172         (expand_builtin_next_arg): Update.
2173         * df-scan.c (df_get_call_refs): Update.
2174         * dbxout.c (dbxout_function_end): Update.
2175         * dwarf2out.c (dwarf2out_switch_text_section): Update.
2176         (output_line_info): Update.
2177         (secname_for_decl): Update.
2178         (dwarf2out_var_location): Update.
2179         * function.c (free_after_compilation): Update.
2180         (assign_parm_find_stack_rtl): Update.
2181         (assign_parms): Update.
2182         (expand_dummy_function_end): Update.
2183         (expand_function_end): Update.
2184         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
2185         (expand_call): Update.
2186         (emit_library_call_value_1): Update.
2187         (store_one_arg): Update.
2188         * varasm.c (initialize_cold_section_name): Update.
2189         (unlikely_text_section): Update.
2190         (unlikely_text_section_p): Update.
2191         (assemble_start_function): Update.
2192         (assemble_end_function): Update.
2193         (default_section_type_flags): Update.
2194         (switch_to_section): Update.
2195         * integrate.c (set_decl_abstract_flags): Update.
2196         (get_hard_reg_initial_val): Update.
2197         (has_hard_reg_initial_val): Update.
2198         (allocate_initial_values): Update.
2199         * resource.c (init_resource_info): Update.
2200         * config/alpha/alpha.c (NUM_ARGS): Update.
2201         (direct_return): Update.
2202         (alpha_va_start): Update.
2203         (alpha_sa_size): Update.
2204         (alpha_initial_elimination_offset): Update.
2205         (alpha_expand_prologue): Update.
2206         (alpha_start_function): Update.
2207         (alpha_expand_epilogue): Update.
2208         (unicosmk_initial_elimination_offset):
2209         * config/alpha/alpha.md (call expander): Update.
2210         * config/s390/s390.c (s390_register_info): Update.
2211         (s390_register_info): Update.
2212         (s390_frame_info): Update.
2213         (s390_initial_elimination_offset): Update.
2214         (s390_build_builtin_va_list): Update.
2215         (s390_va_start): Update.
2216         * config/spu/spu.c (direct_return): Update.
2217         (spu_expand_prologue): Update.
2218         (spu_initial_elimination_offset): Update.
2219         (spu_build_builtin_va_list): Update.
2220         (spu_va_start): Update.
2221         * config/sparc/sparc.c (sparc_init_modes): Update.
2222         (sparc_compute_frame_size): Update.
2223         (function_value): Update.
2224         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
2225         * config/i386/i386.md (return expander): Update.
2226         * config/i386/i386.c (ix86_va_start): Update.
2227         (ix86_can_use_return_insn_p): Update.
2228         (ix86_compute_frame_layout): Update.
2229         (ix86_expand_epilogue): Update.
2230         * config/sh/sh.c (output_stack_adjust): Update.
2231         (calc_live_regs): Update.
2232         (sh_expand_prologue): Update.
2233         (sh_builtin_saveregs): Update.
2234         (sh_va_start): Update.
2235         (initial_elimination_offset): Update.
2236         (sh_allocate_initial_value): Update.
2237         (sh_function_ok_for_sibcall): Update.
2238         (sh_get_pr_initial_val): Update.
2239         * config/sh/sh.md (return expander): Update.
2240         * config/avr/avr.c (frame_pointer_required_p): UPdate.
2241         * config/crx/crx.c (crx_compute_frame): UPdate.
2242         (crx_initial_elimination_offset): UPdate.
2243         * config/xtensa/xtensa.c (compute_frame_size): Update
2244         (xtensa_builtin_saveregs): Update.
2245         (xtensa_va_start): Update.
2246         (order_regs_for_local_alloc): Update.
2247         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
2248         (xstormy16_expand_builtin_va_start): Update.
2249         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
2250         * config/m68hc11/m68hc11.md (return expanders): Update.
2251         * config/m68hc11/m68hc11.c (expand_prologue): Update.
2252         (expand_epilogue): Update.
2253         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
2254         (cris_simple_epilogue): Update.
2255         (cris_expand_prologue): Update.
2256         (cris_expand_epilogue): Update.
2257         * config/iq2000/iq2000.c (iq2000_va_start): Update.
2258         (compute_frame_size): Update.
2259         * config/mt/mt.c (mt_compute_frame_size): Update.
2260         * config/mn10300/mn10300.c (expand_prologue): Update.
2261         (expand_epilogue): Update.
2262         (initial_offset): Update.
2263         (mn10300_builtin_saveregs):
2264         * config/mn10300/mn10300.md (return expander): Update.
2265         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
2266         (ia64_initial_elimination_offset): Update.
2267         (ia64_initial_elimination_offset): Update.
2268         (ia64_expand_prologue): Update.
2269         * config/m68k/m68k.md (return expander): Update.
2270         * config/rs6000/rs6000.c (rs6000_va_start): Update.
2271         (rs6000_stack_info): Update.
2272         * config/mcore/mcore.c (layout_mcore_frame): Update.
2273         (mcore_expand_prolog): Update.
2274         * config/arc/arc.c (arc_compute_frame_size): Update.
2275         * config/score/score3.c (score3_compute_frame_size): Update.
2276         * config/score/score7.c (score7_compute_frame_size): Update.
2277         * config/arm/arm.c (use_return_insn): Update.
2278         (thumb_find_work_register): Update.
2279         (arm_compute_save_reg_mask): Update.
2280         (arm_output_function_prologue): Update.
2281         (arm_output_epilogue): Update.
2282         (arm_size_return_regs): Update.
2283         (arm_get_frame_offsets): Update.
2284         (arm_expand_prologue): Update.
2285         (thumb_exit): Update.
2286         (thumb_unexpanded_epilogue): Update.
2287         (thumb1_output_function_prologue): Update.
2288         * config/pa/pa.md (return expander): Update.
2289         * config/pa/pa.c (compute_frame_size): Update.
2290         (hppa_builtin_saveregs): Update.
2291         * config/mips/mips.c (mips_va_start): Update.
2292         (mips16_build_function_stub): Update.
2293         (mips_compute_frame_info): Update.
2294         (mips_restore_gp): Update.
2295         (mips_output_function_prologue): Update.
2296         (mips_expand_prologue): Update.
2297         * config/v850/v850.c (compute_frame_size): Update.
2298         (expand_prologue): * config/mmix/mmix.c (along): update.
2299         (mmix_initial_elimination_offset): update.
2300         (mmix_reorg): update.
2301         (mmix_use_simple_return): update.
2302         (mmix_expand_prologue): update.
2303         (mmix_expand_epilogue): Update.
2304         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
2305         (emit_link_insn): Update.
2306
2307 2008-04-08  Anatoly Sokolov <aesok@post.ru>
2308
2309         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define 
2310         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL 
2311         instructions.
2312         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for 
2313         atmega103 device.
2314
2315 2008-04-07  Jan Hubicka  <jh@suse.cz>
2316
2317         * function.h (rtl): Rename to x_rtl.
2318         (crtl): New define.
2319         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
2320         frame_offset, stack_check_probe_note, arg_pointer_save_area,
2321         used_temp_slots avail_temp_slots, temp_slot_level,
2322         nonlocal_goto_handler_labels): Update accesstors.
2323         (rtl): New global variable.
2324         (struct function): Move some fileds to rtl_data.
2325         (get_arg_pointer_save_area): Update prototype.
2326         * builtins.c (expand_builtin_setjmp_receiver): Update call of
2327         get_arg_pointer_save_area.
2328         * expr.c (init_expr): Update
2329         * function.c (get_frame_size): Update
2330         (assign_stack_local): Update
2331         (expand_function_end): Update.
2332         (get_art_pointer_save_area): Update
2333         * function.h 
2334         * emit-rtl.c (rtl): Declare.
2335         (regno_reg_rtx): Declare.
2336         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
2337         Update.
2338         (gen_reg_rtx): Update.
2339         * varasm.c (n_deferred_constatns): Update accestor.
2340         (init_varasm_status): Do not allocate varasm_status.
2341         (force_const_mem, get_pool_size, output_constant_pool): Update.
2342         * stmt.c (force_label_rtx): Do not use x_ prefixes.
2343         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
2344         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
2345         * sparc/sparc.h (INIT_EXPANDERS): Update.
2346         * ia64/ia64.h (INIT_EXPANDERS): Update.
2347
2348 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
2349
2350         * reload.c (push_secondary_reload): Add missing break to for loop.
2351
2352 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
2353
2354         PR middle-end/PR28690
2355         * rtlanal.c: Update copyright years.
2356         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
2357         as REG_POINTER and MEM_POINTER operands.
2358         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
2359         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
2360         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
2361         * gcse.c: Update copyright years.
2362         (pre_delete): Call gen_reg_rtx_and_attrs.
2363         (hoist_code): Likewise.
2364         (build_store_vectors): Likewise.
2365         (delete_store): Likewise.
2366         * loop-invariant.c (move_invariant_reg): Likewise.
2367         Update copyright years.
2368
2369 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
2370
2371         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
2372         control string instead of quoted.
2373
2374 2008-04-07  Kenneth Zadeck <zadeck@naturalbridge.com>
2375
2376         * doc/rtl.texi: Rewrite of subreg section.
2377
2378 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
2379
2380         PR/35842
2381         * config/i386/i386.c (legitimize_pic_address): Add treating
2382         of dllimport SYM_REF's.
2383         (legitimize_dllimport_symbol): Add prototype.
2384
2385 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
2386
2387         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
2388         reference in constructor with non self-referential type.
2389
2390 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
2391
2392         Removal of Return with Depressed Stack Pointer support
2393         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
2394         (ECF_SP_DEPRESSED): Likewise.
2395         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
2396         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
2397         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
2398         (expand_call): Do not test ECF_SP_DEPRESSED.
2399         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
2400         * function.c (keep_stack_depressed): Delete.
2401         (handle_epilogue_set): Likewise.
2402         (update_epilogue_consts): Likewise.
2403         (emit_equiv_load): Likewise.
2404         (thread_prologue_and_epilogue_insns): Remove support for Return with
2405         Depressed Stack Pointer.
2406         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
2407
2408 2008-04-06  Richard Guenther  <rguenther@suse.de>
2409
2410         PR tree-optimization/35400
2411         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
2412         information from SSA_NAMEs.
2413
2414 2008-04-06  Anatoly Sokolov <aesok@post.ru>
2415
2416         * config/avr/avr.h (avr_mega_p): Remove declaration.
2417         (AVR_MEGA): Remove macro.
2418         * config/avr/avr.c (avr_mega_p): Remove variable.
2419         (avr_override_options): Remove inicializion of avr_mega_p.
2420         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
2421         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
2422         (avr_jump_mode): (Ditto.).
2423         (avr_output_progmem_section_asm_op): (Ditto.).
2424         (avr_asm_init_sections): (Ditto.).
2425         (avr_asm_init_sections): (Ditto.).
2426         (avr_rtx_costs): (Ditto.).
2427         * config/avr/avr.md: (Ditto.).
2428         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
2429         '__AVR_MEGA__'.
2430
2431 2008-04-06  Richard Guenther  <rguenther@suse.de>
2432
2433         PR tree-optimization/35842
2434         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
2435         is_gimple_invariant_address.
2436
2437 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
2438
2439         * gcc.c (default_compilers): Sync Fortran extensions list with
2440         that in fortran/lang-specs.h.
2441         * doc/invoke.texi: Likewise.
2442         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
2443         * dwarf2out.c (gen_compile_unit_die): Likewise.
2444
2445 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
2446
2447         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
2448
2449 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
2450
2451         PR target/12329
2452         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
2453         attribute is used for nested functions.
2454
2455 2008-04-05  Jan Hubicka  <jh@suse.cz>
2456
2457         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
2458
2459         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
2460         letter argument.
2461         (dump_files): Update.
2462         (enable_rtl_dump_file): Do not accept letter argument.
2463         * tree-pass.h (dump_file_info): Remove letter argument.
2464         * toplev.c (decode_d_option): Update -da handling.
2465         * toplev.h (enable_rtl_dump_file): Update prototype.
2466         * passes.c (register_one_dump_file): Do not accept IPA argument; work
2467         it out based on pass type.
2468         (register_dump_files_1): Likewise.
2469         (init_optimization_passes): Update register_one_dump_file calls.
2470         (execute_one_pass): Sanity check that IPA passes are called at IPA
2471         level and RTL passes at RTL level.
2472         (execute_pass_list): IPA pass can not be after or subpass of
2473         GIMPLE/RTL pass.
2474         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
2475         disallov RTL subpasses of IPA subpasses.
2476
2477 2008-04-05  Ben Elliston  <bje@au.ibm.com>
2478
2479         * tree-cfg.c (need_fake_edge_p): Return false for calls to
2480         builtins that return exactly once and do not throw. Cache call to
2481         call_expr_flags.
2482
2483 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
2484
2485         PR rtl-optimization/34916
2486         PR middle-end/35519
2487         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
2488         between instruction pairs.
2489
2490 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
2491
2492         * doc/invoke.texi: Document -mbitops for SH.
2493         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
2494         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
2495         * config/sh/sh.c (print_operand): Add %t operand code.
2496         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
2497         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
2498         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
2499         (extendqihi2): Likewise.
2500         (movqi_i): Likewise.
2501         (insv): Use bset, bclr and bst instructions for SH2A if possible.
2502         (extv): Use bld instruction for SH2A if possible.
2503         (extzv): Likewise.
2504         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
2505         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
2506         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
2507         (bset.b, bclr.b): Define peepholes.
2508         * config/sh/sh.opt (mbitops): New option.
2509
2510 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
2511
2512         PR target/35620
2513         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
2514         and view convert expression.
2515
2516 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
2517
2518         PR target/35364
2519         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
2520
2521 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
2522
2523         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
2524
2525         * config/i386/cpuid.h (bit_AES): New.
2526         (bit_PCLMUL): Likewise.
2527
2528         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
2529         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
2530         SSE2 if AES or PCLMUL is enabled.
2531         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
2532         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
2533         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
2534         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
2535         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
2536         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
2537         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
2538         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
2539         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
2540         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
2541         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
2542         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
2543         __builtin_ia32_aeskeygenassist128 and
2544         __builtin_ia32_pclmulqdq128.
2545         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
2546         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
2547         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
2548
2549         * config/i386/i386.h (TARGET_AES): New.
2550         (TARGET_PCLMUL): Likewise.
2551         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
2552
2553         * config/i386/i386.md (UNSPEC_AESENC): New.
2554         (UNSPEC_AESENCLAST): Likewise.
2555         (UNSPEC_AESDEC): Likewise.
2556         (UNSPEC_AESDECLAST): Likewise.
2557         (UNSPEC_AESIMC): Likewise.
2558         (UNSPEC_AESKEYGENASSIST): Likewise.
2559         (UNSPEC_PCLMUL): Likewise.
2560
2561         * config/i386/i386.opt (maes): New.
2562         (mpclmul): Likewise.
2563
2564         * config/i386/sse.md (aesenc): New pattern.
2565         (aesenclast): Likewise.
2566         (aesdec): Likewise.
2567         (aesdeclast): Likewise.
2568         (aesimc): Likewise.
2569         (aeskeygenassist): Likewise.
2570         (pclmulqdq): Likewise.
2571
2572         * config/i386/wmmintrin.h: New.
2573
2574         * doc/extend.texi: Document AES and PCLMUL built-in function.
2575
2576         * doc/invoke.texi: Document -maes and -mpclmul.
2577
2578 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
2579
2580         * function.c (free_after_parsing): Replace with
2581         cxx_push_function_context from C++ front-end.
2582         (allocate_struct_function): Don't call langhook.
2583         * langhooks.h (struct lang_hooks_for_functions): Delete.
2584         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
2585         member "function".
2586         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
2587         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
2588         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
2589         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
2590         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
2591         remove LANG_HOOKS_FUNCTION_INITIALIZER.
2592         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
2593
2594         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
2595         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
2596         
2597 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
2598
2599         PR c/35440
2600         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
2601         for all types.
2602
2603 2008-04-04  Richard Guenther  <rguenther@suse.de>
2604
2605         PR middle-end/35823
2606         * fold-const.c (optimize_minmax_comparison): Use the correct
2607         type for the constant in the simplified comparison.
2608
2609 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
2610
2611         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
2612         Pass L2 size as "--param l2-cache-size" to the compiler.
2613         (decode_l2_cache): New function to decode L2 cache parameters using
2614         0x8000006 extended cpuid function.
2615         (detect_caches_amd): Determine parameters of L2 cache using
2616         decode_l2_caches function.
2617         (decode_caches_intel): Decode L2 cache parameters.
2618         (detect_caches_intel): Determine L2 cache parameters using
2619         decode_caches_intel and decode_l2_caches functions.
2620
2621 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
2622
2623         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
2624         secondary input reload for subword loads from the constant pool.
2625
2626 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
2627
2628         PR target/35713
2629         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
2630           constants of the appropriate size for runtime calculations.
2631
2632         PR c/35712
2633         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
2634           decimal-float literal constant zero.
2635
2636 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
2637
2638         PR c/35738
2639         * c-parser.c (c_parser_omp_atomic): Call
2640         default_function_array_conversion on the RHS.
2641
2642         PR middle-end/35818
2643         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
2644         call is_variable_sized if decl has incomplete type.
2645
2646 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
2647
2648         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
2649
2650 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
2651
2652         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
2653         iterators.
2654         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
2655         (sgt<u>): Merge sgt and sgtu into new expander.
2656         (sgt, sgtu): Remove expanders.
2657         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
2658         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
2659         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
2660         *sgtu_<mode>_mips16 into new pattern.
2661         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
2662         (sge<u>): Merge sge and sgeu into new expander.
2663         (sge, sgeu): Remove expanders.
2664         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
2665         new pattern.
2666         (*sge_<mode>, second *sge_<mode>): Remove patterns.
2667         (slt<u>): Merge slt and sltu into new expander.
2668         (slt, sltu): Remove expanders.
2669         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
2670         (*slt_<mode>, *sltu_<mode>): Remove patterns.
2671         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
2672         *sltu_<mode>_mips16 into new pattern.
2673         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
2674         (sle<u>): Merge sle and sleu into new expander.
2675         (sle, sleu): Remove expanders.
2676         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
2677         (*sle_<mode>, *sleu_<mode>): Remove patterns.
2678         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
2679         *sleu_<mode>_mips16 into new pattern.
2680         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
2681
2682 2008-04-03  Jan Hubicka  <jh@suse.cz>
2683
2684         PR tree-optimization/35795
2685         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
2686         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
2687         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
2688         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
2689         * score/score3.c (score3_output_mi_thunk): Likewise.
2690         * score/score7.c (score7_output_mi_thunk): Likewise.
2691         * mips/mips.c (mips_output_mi_thunk): Likewise.
2692
2693 2008-04-03  Richard Guenther  <rguenther@suse.de>
2694
2695         * tree-vrp.c (extract_range_from_unary_expr): Handle all
2696         conversions.  Simplify code.
2697
2698 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
2699
2700         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
2701
2702 2008-04-03  Tom Tromey  <tromey@redhat.com>
2703             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2704
2705         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
2706         * config/bfin/t-bfin-linux (generated_files): Add
2707         linux-sysroot-suffix.h.
2708         * doc/install.texi (Prerequisites): Require make 3.80.
2709         * doc/sourcebuild.texi (Front End Directory): Document new
2710         variable.
2711         * Makefile.in (generated_files): New variable.
2712         (ALL_HOST_OBJS): New variable.
2713         ($(ALL_HOST_OBJS)): New target.
2714
2715 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
2716
2717         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
2718         (remap_block): Call id->transform_lang_insert_block instead
2719         of langhook.
2720         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
2721         Set id.transform_lang_insert_block to NULL.
2722         (clone_body): Move to cp/optimize.c
2723         * tree-inline.h (struct copy_body_data): Change
2724         transform_lang_insert_block to function pointer.
2725         (copy_generic_body, copy_decl_no_change): Export.
2726         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
2727         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
2728         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
2729
2730         * c-tree.h (insert_block): Kill.
2731         * c-decl.c (insert_block): Kill.
2732
2733 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
2734
2735         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
2736         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
2737         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
2738         argument.
2739         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
2740         argument, call {push,pop}_function_context from here.
2741         * c-parser.c: Use c_{push,pop}_function_context.
2742
2743         * function.c (push_function_context_to): Move meat ...
2744         (push_function_context): ... here.  Simplify.
2745         * function.c (pop_function_context_from): Move meat ...
2746         (pop_function_context): ... here.  Simplify.
2747         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
2748         leave_nested).
2749         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
2750         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
2751         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
2752         * tree.h (push_function_context_to, pop_function_context_from): Remove.
2753
2754 2008-04-03  Ben Elliston  <bje@au.ibm.com>
2755
2756         * expmed.c (extract_force_align_mem_bit_field): Remove.
2757
2758 2008-04-03  Richard Guenther  <rguenther@suse.de>
2759
2760         PR middle-end/35800
2761         * expr.h (try_casesi): Adjust prototype.
2762         * expr.c (try_casesi): Take fallback label as extra parameter.
2763         Use that for gen_casesi if default_label is NULL.
2764         * stmt.c (expand_case): Pass fallback label to try_casesi,
2765         make sure to fill gaps with a fallback label if default_label
2766         is not present.
2767
2768 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
2769
2770         PR target/35801
2771         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
2772
2773 2008-04-03  Ben Elliston  <bje@au.ibm.com>
2774
2775         * expmed.c (extract_split_bit_field): Remove if (0) code.
2776         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
2777         (do_ds_constraint): Likewise.
2778
2779 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
2780
2781         * doc/cppopts.texi (-dU): Document.
2782         * c-common.h (flag_dump_macros): Update comment.
2783         * c-opts.c (handle_OPT_d): Handle -dU.
2784         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
2785         dump_queued_macros, cb_used_define, cb_used_undef): New.
2786         (init_pp_output): Handle -dU.
2787         (cb_line_change): Call dump_queued_macros.
2788         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
2789
2790 2008-04-02  Anatoly Sokolov <aesok@post.ru>
2791
2792         * config/avr/predicates.md (io_address_operand): New predicate. 
2793         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
2794         * config/avr/avr.c (avr_io_address_p): Remove function.
2795         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
2796         'avr_io_address_p' function.
2797         (out_movhi_r_mr): (Ditto.).
2798         (out_movqi_mr_r): (Ditto.).
2799         (out_movhi_mr_r): (Ditto.).
2800         (avr_address_cost): (Ditto.).
2801
2802 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
2803
2804         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
2805         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
2806         in 32bit mode when XMM registers are available to avoid store
2807         forwarding stalls.
2808         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
2809         corresponding post-reload splitters.
2810
2811 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2812
2813         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
2814         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
2815         __builtin_ia32_roundss.
2816         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
2817         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
2818         __builtin_ia32_roundss.
2819         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
2820         IX86_BUILTIN_SHUFPD here.
2821
2822 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2823
2824         * config/i386/i386.md (plogic): New.
2825         (plogicprefix): Likewise.
2826
2827         * config/i386/mmx.md (mmx_<code><mode>3): New.
2828         (mmx_and<mode>3): Removed.
2829         (mmx_ior<mode>3): Likewise.
2830         (mmx_xor<mode>3): Likewise.
2831
2832         * config/i386/sse.md (<code><mode>3): New.
2833         (*<code><mode>3): Likewise.
2834         (*<code><mode>3): Likewise.
2835         (<code><mode>3): Likewise.
2836         (*sse_<code><mode>3): Likewise.
2837         (*sse2_<code><mode>3): Likewise.
2838         (<code>tf3): Likewise.
2839         (*<code>tf3): Likewise.
2840         (and<mode>3): Likewise.
2841         (*and<mode>3): Likewise.
2842         (ior<mode>3): Removed.
2843         (*ior<mode>3): Likewise.
2844         (xor<mode>3): Likewise.
2845         (*xor<mode>3): Likewise.
2846         (*and<mode>3): Likewise.
2847         (*ior<mode>3): Likewise.
2848         (*xor<mode>3): Likewise.
2849         (and<mode>3): Likewise.
2850         (*sse_and<mode>3): Likewise.
2851         (*sse2_and<mode>3): Likewise.
2852         (andtf3): Likewise.
2853         (*andtf3): Likewise.
2854         (ior<mode>3): Likewise.
2855         (*sse_ior<mode>3): Likewise.
2856         (*sse2_ior<mode>3): Likewise.
2857         (iortf3): Likewise.
2858         (*iortf3): Likewise.
2859         (xor<mode>3): Likewise.
2860         (*sse_xor<mode>3): Likewise.
2861         (*sse2_xor<mode>3): Likewise.
2862         (xortf3): Likewise.
2863         (*xortf3): Likewise.
2864
2865 2008-04-02  Richard Guenther  <rguenther@suse.de>
2866
2867         PR tree-optimization/14495
2868         PR tree-optimization/34793
2869         * tree-vrp.c (struct switch_update): New structure.
2870         (to_remove_edges, to_update_switch_stmts): New VECs.
2871         (simplify_switch_using_ranges): New function.  Remove not taken
2872         case labels and edges.
2873         (simplify_stmt_using_ranges): Call it.
2874         (identify_jump_threads): Mark edges we have queued for removal
2875         so we don't thread them.
2876         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
2877         case label vector.
2878         * tree-cfg.c (group_case_labels): Deal with missing default label.
2879         (tree_verify_flow_info): Allow missing default label.
2880         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
2881         (emit_case_nodes): Likewise.
2882         (expand_case): Do not rely on the default label to be present.
2883         * expr.c (try_casesi): Deal with NULL default_label.
2884         (do_tablejump): Likewise.
2885
2886 2008-04-02  Richard Guenther  <rguenther@suse.de>
2887
2888         PR tree-optimization/14495
2889         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
2890         SWITCH_EXPR here ...
2891         (vrp_visit_switch_stmt): ... but here (new function).
2892         (find_case_label_index): New helper function.
2893         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
2894
2895 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
2896
2897         * fwprop.c: Fix ISO-C99ism.
2898
2899 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
2900
2901         PR bootstrap/35752
2902         * Makefile.in (objdir): Set it here.
2903         * configure.ac: Not here.  Find dynamic linker characteristics.
2904         * exec-tool.in: Use them.
2905         * aclocal.m4: Regenerate.
2906         * configure: Regenerate.
2907
2908 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
2909
2910         * expr.c (expand_var): Delete it.
2911         * expr.h (expand_var): Delete prototype.
2912         * function.c (expand_function_start): Use expand_decl instead.
2913         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
2914         langhook.
2915
2916 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
2917
2918         PR rtl-optimization/35542
2919         * fwprop.c (forward_propagate_and_simplify): Replace
2920         loc_reg_mentioned_in_p with reg_mentioned_p.
2921
2922 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
2923
2924         PR rtl-optimization/35281
2925         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
2926         (propagate_rtx_1): Handle PR_HANDLE_MEM.
2927         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
2928         (varying_mem_p): Move above propagate_rtx.
2929         (all_uses_available_at): Do not check MEMs.
2930
2931 2008-04-02  Rafael Espindola  <espindola@google.com>
2932
2933         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
2934         (register_edge_assert_for_2): Split the cond argument.
2935         (register_edge_assert_for_1): Adjust for the change in
2936         register_edge_assert_for_2.
2937         (register_edge_assert_for): Split the cond argument.
2938         (find_switch_asserts): Adjust for the change in
2939         register_edge_assert_for.
2940
2941 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
2942
2943         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
2944         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
2945         offsets for 64-bit mingw.
2946         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
2947         abi for x86_64-pc-mingw.
2948
2949 2008-04-02  Richard Guenther  <rguenther@suse.de>
2950
2951         * tree-vrp.c (extract_range_from_assert): Make sure to not
2952         produce range min/max with TREE_OVERFOW set.
2953         If merging a anti-range and a range keep the anti-range if
2954         the range covers all values of the type.
2955         (register_edge_assert_for_2): Only allow sign-changing
2956         conversions in detecting canonical range checks.  Also
2957         register an assert for the unsigned name if useful.
2958
2959         PR tree-optimization/35787
2960         * tree-vrp.c (vrp_val_max): New function.
2961         (vrp_val_min): Likewise.
2962         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
2963         (vrp_val_is_min): Likewise.
2964         (supports_overflow_infinity): Use vrp_val_{min,max}.
2965         (negative_overflow_infinity): Likewise.
2966         (positive_overflow_infinity): Likewise.
2967         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
2968         (is_positive_overflow_infinity): Likewise.
2969         (is_overflow_infinity): Likewise.
2970         (avoid_overflow_infinity): Use vrp_val_{min,max} and
2971         vrp_val_is_{min,max}.
2972         (set_and_canonicalize_value_range): Canonicalize anti-ranges
2973         to ranges if possible.  Avoid empty ranges.
2974
2975 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2976
2977         PR middle-end/35705
2978         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
2979         the expression is a function address.
2980
2981 2008-04-01  George Helffrich  <george@gcc.gnu.org>
2982
2983         PR fortran/35154, fortran/23057
2984         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
2985         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
2986         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
2987         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
2988         in common.
2989         (dbxout_syms): Check for COMMON-based symbol and wrap in
2990         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
2991         in bracket for efficiency.
2992
2993         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
2994         using DW_TAG_common_block + member offset.
2995         (add_pubname_string): New function.
2996         (dw_expand_expr): New function to find block name and offset for
2997         COMMON var.
2998         (common_check): New function to check whether symbol in Fortran COMMON.
2999         (gen_variable_die): If COMMON, use DW_TAG_common_block.
3000
3001 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
3002
3003         PR c/35436
3004         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
3005
3006 2008-04-02  Ben Elliston  <bje@au.ibm.com>
3007
3008         * config/v850/v850.md (casesi): Remove if (0) code.
3009         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
3010         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
3011
3012 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
3013
3014         * config/i386/i386.md (rex64suffix): New mode attribute.
3015         (floathi<mode>2): Disable expander for SSE math.
3016         (*floathi<mode>2_1): New insn insn_and_split pattern.
3017         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
3018         corresponding post-reload splitters.
3019         (*floathi<mode>2_i387): New macroized insn pattern.
3020         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
3021         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
3022         insn_and_split pattern.
3023         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
3024         New macroized instruction patterns and corresponding post-reload
3025         splitters.
3026         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
3027         and corresponding post-reload splitters.
3028         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
3029         New macroized instruction patterns.
3030         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
3031         macroized instruction patterns and corresponding post-reload splitters.
3032         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
3033         corresponding post-reload splitters.
3034         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
3035         New macroized instruction patterns.
3036         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
3037         corresponding post-reload splitters.
3038         (*floatsi<mode>2_i387): New macroized instruction patterns.
3039
3040 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
3041
3042         * config/i386/i386.md (smaxmin): New.
3043         (umaxmin): Likewise.
3044         (maxminiprefix): Likewise.
3045         (maxminfprefix): Likewise.
3046         (<code><mode>3): Likewise.
3047         (smin<mode>3): Removed.
3048         (smax<mode>3): Likewise.
3049
3050         * config/i386/mmx.md (mmx_<code>v2sf3): New.
3051         (mmx_<code>v4hi3): Likewise.
3052         (mmx_<code>v8qi3): Likewise.
3053         (mmx_smaxv2sf3): Removed.
3054         (mmx_sminv2sf3): Likewise.
3055         (mmx_umaxv8qi3): Likewise.
3056         (mmx_smaxv4hi3): Likewise.
3057         (mmx_uminv8qi3): Likewise.
3058         (mmx_sminv4hi3): Likewise.
3059
3060         * config/i386/sse.md (<addsub><mode>3): New.
3061         (*<addsub><mode>3): Likewise.
3062         (<sse>_vm<addsub><mode>3): Likewise.
3063         (<maxmin><mode>3): Likewise.
3064         (*<maxmin><mode>3_finite): Likewise.
3065         (*<maxmin><mode>3): Likewise.
3066         (<sse>_vm<maxmin><mode>3): Likewise.
3067         (sse3_h<addsub>v4sf3): Likewise.
3068         (sse3_h<addsub>v2df3): Likewise.
3069         (<maxmin>v16qi3): Likewise.
3070         (*<maxmin>v16qi3): Likewise.
3071         (<maxmin>v8hi3): Likewise.
3072         (*<maxmin>v8hi3): Likewise.
3073         (*sse4_1_<maxmin><mode>3): Likewise.
3074         (*sse4_1_<maxmin><mode>3): Likewise.
3075         (add<mode>3): Removed.
3076         (*add<mode>3): Likewise.
3077         (<sse>_vmadd<mode>3): Likewise.
3078         (sub<mode>3): Likewise.
3079         (*sub<mode>3): Likewise.
3080         (<sse>_vmsub<mode>3): Likewise.
3081         (smin<mode>3): Likewise.
3082         (*smin<mode>3_finite): Likewise.
3083         (*smin<mode>3): Likewise.
3084         (<sse>_vmsmin<mode>3): Likewise.
3085         (smax<mode>3): Likewise.
3086         (*smax<mode>3_finite): Likewise.
3087         (*smax<mode>3): Likewise.
3088         (<sse>_vmsmax<mode>3): Likewise.
3089         (sse3_haddv4sf3): Likewise.
3090         (sse3_haddv2df3): Likewise.
3091         (sse3_hsubv4sf3): Likewise.
3092         (sse3_hsubv2df3): Likewise.
3093         (umaxv16qi3): Likewise.
3094         (*umaxv16qi3): Likewise.
3095         (smaxv8hi3): Likewise.
3096         (*smaxv8hi3): Likewise.
3097         (*sse4_1_smax<mode>3): Likewise.
3098         (*sse4_1_umax<mode>3): Likewise.
3099         (uminv16qi3): Likewise.
3100         (*uminv16qi3): Likewise.
3101         (sminv8hi3): Likewise.
3102         (*sminv8hi3): Likewise.
3103         (*sse4_1_smin<mode>3): Likewise.
3104         (*sse4_1_umin<mode>3): Likewise.
3105
3106 2008-04-01  Rafael Espindola  <espindola@google.com>
3107
3108         * tree-cfg.c (verify_expr): remove in_phi.
3109         (verify_stmt): Don't call walk_tree with verify_expr. Use
3110         is_gimple_min_invariant instead of is_gimple_val.
3111
3112 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
3113
3114         * doc/include/gpl_v3.texi: Update for manpage generation.
3115         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
3116         gpl.texi.
3117         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
3118         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
3119         gpl_v3.texi instead of gpl.texi.
3120         (gpl.pod): New.
3121
3122 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
3123
3124         PR pch/13675
3125         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
3126
3127 2008-04-01  Rafael Espindola  <espindola@google.com>
3128
3129         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
3130         (extract_code_and_val_from_cond): Use
3131         extract_code_and_val_from_cond_with_ops.
3132
3133 2008-04-01  Jan Hubicka  <jh@suse.cz>
3134
3135         * function.c (free_after_compilation): Free epilogue_delay_list.
3136         (prepare_function_start): Assert that previous compilation was freed.
3137
3138 2008-04-01  Jan Hubicka  <jh@suse.cz>
3139             Jim Wilson  <wilson@tuliptree.org>
3140             Andreas Tobler <andreast@gcc.gnu.org>
3141
3142         PR middle-end/35781
3143         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
3144         rtl.emit instead cfun->emit.
3145         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
3146         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
3147
3148 2008-04-01  Ben Elliston  <bje@au.ibm.com>
3149
3150         * doc/c-tree.texi (Function Basics): Fix grammatical error.
3151
3152 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
3153
3154         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
3155         New options
3156         (fprofile-use): Add var flag_profile_use
3157         * coverage.c (coverage_begin_output): Do not open a gcno file for
3158         output only if -ftest-coverage is set.
3159         Do not add getpwd() to gcda file path.
3160         (build_gcov_info): Check the new flag
3161         flag_profile_datafile_relative_path.
3162         (coverage_init): Use profile_data_prefix.
3163         Read profile counter only if flag_profile_use is set.
3164         * opts.c (common_handle_option): New option fprofile-use=,
3165         fprofile-dir=, fprofile-generate=.
3166         * toplev.c (profile_data_prefix): New variable definition.
3167         * toplev.h (profile_data_prefix): New declaration.
3168         * doc/invoke.tex (Option Summary, Optimization Options):
3169         Add new options.
3170
3171 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
3172
3173         * varasm.c (output_constant_pool_1): In LABEL_REF check,
3174         use tmp consistently.
3175
3176         PR target/35695
3177         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
3178         * config/ia64/ia64.c (rtx_needs_barrier): Handle
3179         UNSPEC_FR_RECIP_APPROX_RES.
3180         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
3181
3182 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
3183
3184         PR c/35750
3185         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
3186
3187 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3188
3189         PR middle-end/30186
3190         * fold-const.c (fold_indirect_ref_1): Support accessing non first
3191         element of the vector via a pointer.
3192
3193 2008-03-31  Ian Lance Taylor  <iant@google.com>
3194
3195         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
3196
3197 2008-03-31  Jan Hubicka  <jh@suse.cz>
3198
3199         * builtins.c (expand_builtin_setjmp_receiver): Update call of
3200         get_arg_pointer_save_area.
3201         * expr.c (init_expr): Just clear out rtl.expr.
3202         * function.c (free_after_compilation): Clear out whole RTL structure.
3203         (get_func_frame_size): Merge into ...
3204         (get_frame_size): ... this one.
3205         (assign_stack_local_1): Merge into ...
3206         (assign_stack_local): ... this one.
3207         (expand_function_end): Update call of get_arg_pointer_save_area.
3208         (get_art_pointer_save_area): Remove cfun argument.
3209         * function.h (emit_status): regno_pointer_align does not need length
3210         attribute. Move x_regno_reg_rtx to ...
3211         (regno_reg_rtx): ... new global array.
3212         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
3213         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
3214         apply_args_value, forced_labels, stack_pointer_delta):
3215         Update accestors.
3216         (struct varasm_status): Move here from varasm.c
3217         (struct rtl_data): New. Move here some fields from struct function.
3218         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
3219         frame_offset, stack_check_probe_note, arg_pointer_save_area,
3220         used_temp_slots avail_temp_slots, temp_slot_level,
3221         nonlocal_goto_handler_labels): Update accesstors.
3222         (rtl): New global variable.
3223         (struct function): Move some fileds to rtl_data.
3224         (get_arg_pointer_save_area): Update prototype.
3225         * emit-rtl.c (rtl): Declare.
3226         (regno_reg_rtx): Declare.
3227         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
3228         Update.
3229         (gen_reg_rtx): Update.
3230         (init_virtual_regs): Do not tate emit_status argument.
3231         (init_emit): Do not allocate emit.
3232         * varasm.c (varasm_statuc): Move to function.h.
3233         (n_deferred_constatns): Update accestor.
3234         (init_varasm_status): Do not allocate varasm_status.
3235         (force_const_mem, get_pool_size, output_constant_pool): Update.
3236         * stmt.c (force_label_rtx): Do not use x_ prefixes.
3237         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
3238
3239 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
3240
3241         PR rtl-optimization/35729
3242         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
3243         references.
3244
3245 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
3246
3247         PR target/32000
3248         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
3249         load/store if memory is unaligned.
3250         (*movti_rex64): Likewise.
3251
3252         * config/i386/predicates.md (misaligned_operand): New.
3253
3254 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
3255
3256         PR tree-opt/35431
3257         * tree-ssa-phiopt.c (conditional_replacement): Return early for
3258         complex types.
3259
3260 2008-03-31  Jan Beulich  <jbeulich@novell.com>
3261
3262         * config/ia64/constraints.md: Add 'j' constraint.
3263         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
3264         (movdi_internal): Likewise.
3265
3266 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
3267
3268         PR c/35748
3269         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
3270
3271 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
3272
3273         PR target/35757
3274         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
3275         proper error message for the third argument on blendpd and
3276         blendps.
3277
3278         * config/i386/sse.md (blendbits): New.
3279         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
3280
3281 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
3282
3283         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
3284
3285 2008-03-30  Richard Guenther  <rguenther@suse.de>
3286
3287         PR middle-end/31023
3288         * fold-const.c (fold_sign_changed_comparison): Do leave
3289         conversions to base-types alone.
3290
3291 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3292
3293         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
3294         the link register if one altivec register is be saved.
3295
3296 2008-03-30  Ben Elliston  <bje@au.ibm.com>
3297
3298         * final.c (final_scan_insn): Remove if (0) code.
3299
3300 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
3301
3302         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
3303
3304 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
3305
3306         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
3307         of V4SFmode to ix86_binary_operator_ok.
3308
3309 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
3310
3311         * config/i386/i386.c (override_options): Initialize
3312         ix86_veclib_handler to ix86_veclibabi_svml when
3313         -mveclibabi=svml is used.
3314         (ix86_veclibabi_svml): New function for SVML ABI style
3315         vectorization support.
3316         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
3317
3318 2008-03-28  Rafael Espindola  <espindola@google.com>
3319
3320         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
3321         (tree_binary_nonnegative_warnv_p): Make it public.
3322         (tree_single_nonnegative_warnv_p): Make it public.
3323         (tree_invalid_nonnegative_warnv_p): Make it public.
3324         (tree_unary_nonzero_warnv_p): Make it public.
3325         (tree_binary_nonzero_warnv_p): Make it public
3326         (tree_single_nonzero_warnv_p): Make it public.
3327         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
3328         (extract_range_from_binary_expr): Split the expr argument.
3329         (extract_range_from_unary_expr): Split the expr argument.
3330         (extract_range_from_comparison): Split the expr argument.
3331         (extract_range_from_expr): Use the new aux functions.
3332         (vrp_evaluate_conditional_warnv): Use
3333         vrp_evaluate_conditional_warnv_with_ops.
3334         * tree.h (tree_unary_nonzero_warnv_p): Declare.
3335         (tree_binary_nonzero_warnv_p): Declare.
3336         (tree_single_nonzero_warnv_p): Declare.
3337         (tree_expr_nonzero_warnv_p): Declare.
3338         (tree_unary_nonnegative_warnv_p): Declare.
3339         (tree_binary_nonnegative_warnv_p): Declare.
3340         (tree_single_nonnegative_warnv_p): Declare.
3341         (tree_invalid_nonnegative_warnv_p): Declare.
3342
3343 2008-03-28  Richard Guenther  <rguenther@suse.de>
3344
3345         PR tree-optimization/30317
3346         PR tree-optimization/30911
3347         PR tree-optimization/34793
3348         * tree-vrp.c (set_and_canonicalize_value_range): New function.
3349         (struct assert_locus_d): New member EXPR.
3350         (register_new_assert_for): Add EXPR parameter to support
3351         ASSERT_EXPR <name, expr OP limit>.
3352         (register_edge_assert_for_1): Adjust callers.
3353         (find_assert_locations): Likewise.
3354         (process_assert_insertions_for): Build condition from expression.
3355         (extract_range_from_assert): Handle ASSERT_EXPRs
3356         of the form ASSERT_EXPR <name, expr OP limit>.
3357         (register_edge_assert_for_2): New helper registering
3358         asserts for comparisons.  Recognize range tests of the form
3359         (unsigned)i - CST1 OP CST2.
3360         (register_edge_assert_for_1): Use it.
3361         (register_edge_assert_for): Likewise.
3362         (needs_overflow_infinity): Integer sub-types
3363         do not need overflow infinities.
3364         (vrp_val_is_max): The extreme values of integer sub-types
3365         are those of the base type.
3366         (vrp_val_is_min): Likewise.
3367         * tree.def (ASSERT_EXPR): Document extra allowed conditional
3368         expressions.
3369
3370 2008-03-28  Nick Clifton  <nickc@redhat.com>
3371
3372         PR target/31110
3373         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
3374         Return GENERAL_REGS for stack adjustment reloads.
3375
3376 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3377
3378         PR target/31334
3379         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
3380         const_vector when all the vectors are constant.
3381
3382 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
3383
3384         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
3385         comparisons.
3386         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
3387         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
3388         (scc_sf): New.
3389         (s<code>_sf): Use new scc_sf attribute for opcode names.
3390
3391 2008-03-27  Tom Tromey  <tromey@redhat.com>
3392
3393         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
3394         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
3395         config/spu/t-spu-elf, config/i386/t-interix,
3396         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
3397         config/i386/x-darwin, config/i386/x-mingw32,
3398         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
3399         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
3400         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
3401         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
3402         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
3403         config/rs6000/x-darwin, config/rs6000/t-rs6000,
3404         config/score/t-score-elf, config/arm/t-strongarm-pe,
3405         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
<