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2008-05-16 Kenneth Zadeck <zadeck@naturalbridge.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2
3         * doc/invoke.text (-fdump-tree-*-verbose): New option.
4         * tree-dump.c (dump_options): New verbose option.
5         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
6         Add verbose dump.
7         * tree-pass.h (TDF_VERBOSE): New dump flag.
8         * print-tree.c (print_node): Added code to be able to print
9         PHI_NODES.
10         (tree-flow.h): Added include.
11         Makefile.in (print-tree.o):  Added TREE_FLOW_H.
12
13 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
14
15         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
16
17         From Jie Zhang  <jie.zhang@analog.com>
18         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
19         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
20         mcpu=bf561-none and mcpu=bf561-0.2.
21         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
22         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
23         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
24         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
25         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
26         BFIN_CPU_UNKNOWN.
27         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for
28         BF561.
29         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
30         option.
31         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
32         (cputype_selected): Remove.
33         (bfin_handle_option): Don't use cputype_selected.
34         (override_options): When no mcpu option, enable all workarounds.
35         Don't use bfin_workarounds.
36         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
37         processor type.
38         (DEFAULT_CPU_TYPE): Don't define.
39
40 2008-05-16  Richard Guenther  <rguenther@suse.de>
41
42         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
43         on deletion of the last stmt.
44
45 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
46
47         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
48         V8HImode for SSE2 and V16QImode for SSE4.1.
49
50 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
51
52         * cgraph.h (compute_inline_parameters): Made public.
53         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
54         variable_generate_summary, function_write_summary,
55         variable_write_summary, variable_read_summary.  Added 
56         generate_summary, write_summary, read_summary.
57         * cgraphunit.c (cgraph_process_new_functions): Changed call from
58         pass_ipa_inline.function_generate_summary, to
59         compute_inline_parameters. 
60         * ipa-inline.c (compute_inline_parameters): Made public and added
61         node parameter.
62         (compute_inline_parameters_for_current): New function.
63         (pass_inline_param): Now calls
64         compute_inline_parameters_for_current.
65         (inline_generate_summary): Removed parameter and made to loop over
66         all cgraph nodes.
67         (pass_ipa_inline): Updated for new IPA_PASS structure.
68         * passes.c (execute_ipa_summary_passes): Now is called once per
69         pass rather than once per node*pass.
70         
71 2008-05-15  Anatoly Sokolov <aesok@post.ru>
72
73         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p, 
74         avr_have_mul_p, avr_asm_only_p): Remove variables.
75         (avr_override_options): Remove initialization of removed variables.
76         (avr_file_start):  Convert removed variables to fields of 
77         'struct base_arch_s *avr_current_arch'. 
78         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
79         (AVR_HAVE_MUL): (Ditto.).
80         (AVR_HAVE_MOVW): (Ditto.).
81         (AVR_HAVE_LPMX): (Ditto.). 
82         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p, 
83         avr_asm_only_p): Remove declaration.
84
85 2008-05-15  Diego Novillo  <dnovillo@google.com>
86
87         * config/arm/arm.c (arm_return_in_memory): Fix return
88         type.
89         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
90
91 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
92
93         PR middle-end/36194
94         * combine.c (check_conversion): Rename back to check_promoted_subreg. 
95         Don't call record_truncated_value from here. 
96         (record_truncated_value): Turn it into a for_each_rtx callback. 
97         (record_truncated_values): New function. 
98         (combine_instructions): Call note_uses with 
99         record_truncated_values.  Change name of check_conversion to 
100         check_promoted_subreg. 
101
102 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
103
104         * doc/sourcebuild.texi: Document support for torture tests.
105
106 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
107
108         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
109         to alternative 4 of operand 2.
110
111 2008-05-15  Richard Guenther  <rguenther@suse.de>
112
113         * tree-pass.h (current_pass): Declare.
114         (get_pass_for_id): Likewise.
115         * passes.c (passes_by_id, passes_by_id_size): New globals.
116         (set_pass_for_id): New function.
117         (get_pass_for_id): Likewise.
118         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
119         (execute_function_todo): Flush per function statistics.
120         * toplev.c (compile_file): Init statistics.
121         (general_init): Do early statistics initialization.
122         (finalize): Finish statistics.
123         * statistics.h (statistics_early_init): Declare.
124         (statistics_init): Likewise.
125         (statistics_fini): Likewise.
126         (statistics_fini_pass): Likewise.
127         (statistics_counter_event): Likewise.
128         (statistics_histogram_event): Likewise.
129         * statistics.c: New file.
130         * Makefile.in (OBJS-common): Add statistics.o.
131         (statistics.o): Add dependencies.
132         * doc/invoke.texi (-fdump-statistics): Document.
133
134         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
135         (insert): Likewise.
136         (execute_pre): Use statistics_counter_event.
137         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
138         (substitute_and_fold): Increment it.  Use statistics_counter_event.
139
140 2008-05-15  Diego Novillo  <dnovillo@google.com>
141
142         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
143
144         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
145         * tree-ssa-alias.c (new_type_alias): Remove references to
146         sub-variables from comment.
147         * tree-ssa-operands.c (swap_tree_operands): Likewise.
148
149 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
150
151         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
152         attribute to 1 only for insertps alternative.
153
154 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
155
156         * config/bfin/bfin.md (loadbytes): New pattern.
157         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
158         (bfin_init_builtins): Initialize it.
159         (bdesc_1arg): Add it.
160
161 2008-05-15  Sa Liu  <saliu@de.ibm.com>
162
163         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
164         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
165         * testsuite/lib/target-supports.exp: Add
166         check_effective_target_fortran_integer_16.
167
168 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
169
170         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
171         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
172         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
173         (TARGET_RETURN_IN_MEMORY): Define.
174
175 2008-05-15  Richard Guenther  <rguenther@suse.de>
176
177         PR middle-end/36244
178         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
179         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
180         represent unmodifiable vars.
181
182 2008-05-15  Richard Guenther  <rguenther@suse.de>
183
184         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
185         INDIRECT_REF and TARGET_MEM_REF.
186         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
187         TARGET_MEM_REF.
188
189 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
190             H.J. Lu  <hongjiu.lu@intel.com>
191
192         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
193         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
194         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
195         insn alternatives.  Add missing alternatives.
196         (*vec_concatv2di_rex64_sse4_1): Likewise.
197         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
198         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
199         Require TARGET_SSE.
200
201 2008-05-15  Richard Guenther  <rguenther@suse.de>
202
203         PR tree-optimization/36009
204         PR tree-optimization/36204
205         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
206         (determine_invariantness_stmt): Record the loop a store is
207         always executed in.
208         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
209         dependency.
210
211 2008-05-15  Richard Guenther  <rguenther@suse.de>
212
213         PR tree-optimization/34330
214         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
215         through the pointer will alias the SMT.
216
217 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
218
219         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
220
221 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
222
223         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
224
225 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
226             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
227
228         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
229         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
230         (vashl_optab): New optab for vector/vector shifts.
231         (vashr_optab): Ditto.
232         (vlshr_optab): Ditto.
233         (vrotl_optab): Ditto.
234         (vrotr_optab): Ditto.
235         (optab_subtype): New enum for optab_for_tree_code call.
236         (optab_for_tree_code): Add enum optab_subtype argument.
237
238         * optabs.c (optab_for_tree_code): Take an additional argument to
239         distinguish between a vector shift by a scalar and vector shift by
240         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
241         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
242         vector shift by a vector.
243         (expand_widen_pattern_expr): Pass additional argument to
244         optab_for_tree_code.
245
246         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
247         vrotl_optab, vrotr_optab.
248
249         * expr.c (expand_expr_real_1): Update calls to
250         optab_for_tree_code to distinguish between vector shifted by a
251         scalar and vector shifted by a vector.
252         * tree-vectorizer.c (supportable_widening_operation): Ditto.
253         (supportable_narrowing_operation): Ditto.
254         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
255         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
256         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
257         (vect_create_epilog_for_reduction): Ditto.
258         (vectorizable_reduction): Ditto.
259         (vectorizable_operation): Ditto.
260         (vect_strided_store_supported): Ditto.
261         (vect_strided_load_supported): Ditto.
262         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
263         * expmed.c (expand_shift): Ditto.
264
265         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
266         scalar type.
267         (ashr@var{m}3): Ditto.
268         (vashl@var{m}3): Document new vector/vector shift standard name.
269         (vashr@var{m}3): Ditto.
270         (vlshr@var{m}3): Ditto.
271         (vrotl@var{m}3): Ditto.
272         (vrotr@var{m}3): Ditto.
273
274         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
275         (PPERM_INVERT): Ditto.
276         (PPERM_REVERSE): Ditto.
277         (PPERM_REV_INV): Ditto.
278         (PPERM_ZERO): Ditto.
279         (PPERM_ONES): Ditto.
280         (PPERM_SIGN): Ditto.
281         (PPERM_INV_SIGN): Ditto.
282         (PPERM_SRC1): Ditto.
283         (PPERM_SRC2): Ditto.
284
285         * config/i386/sse.md (mulv2di3): Add SSE5 support.
286         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
287         allows a memory operand to be the value being added, and split it
288         to improve vectorization.
289         (sse5_pmacsdqh_mem): Ditto.
290         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
291         (sse5_mulv2div2di3_high): Ditto.
292         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
293         (vec_pack_trunc_v4si): Ditto.
294         (vec_pack_trunc_v2di): Ditto.
295         (sse5_pcmov_<mode>): Remove code that tried to use use
296         andps/andnps instead of pcmov.
297         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
298         pmacsdqh instructions.
299         (vec_widen_smult_lo_v4si): Ditto.
300
301         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
302         (PPERM_INVERT): Ditto.
303         (PPERM_REVERSE): Ditto.
304         (PPERM_REV_INV): Ditto.
305         (PPERM_ZERO): Ditto.
306         (PPERM_ONES): Ditto.
307         (PPERM_SIGN): Ditto.
308         (PPERM_INV_SIGN): Ditto.
309         (PPERM_SRC1): Ditto.
310         (PPERM_SRC2): Ditto.
311         (ix86_expand_sse_movcc): Move the SSE5 test after the if
312         true/false tests.
313         (ix86_expand_int_vcond): If SSE5 generate all possible integer
314         comparisons.
315         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
316         says ignore whether the last reference is a memory operand.
317
318 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
319             Paolo Bonzini <bonzini at gnu dot org>
320
321         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
322         shift patterns.
323
324         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
325         (vlshr<mode>3): Rename from vlshr<mode>3.
326         (vashr<mode>3): Rename from vashr<mode>3.
327         (mulv4sf3): Change the names of vector shift patterns.
328         (mulv4si3): Ditto.
329         (negv4sf2): Ditt.
330
331         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
332         shift insns.
333
334         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
335         (SI_SHLHI): Ditto.
336         (SI_SHL): Ditto.
337         (SI_SHLI): Ditto.
338         (SI_ROTH): Ditto.
339         (SI_ROTHI): Ditto.
340         (SI_ROT): Ditto.
341         (SI_ROTI): Ditto.
342         (SPU_RL_0): Ditto.
343         (SPU_RL_1): Ditto.
344         (SPU_RL_2): Ditto.
345         (SPU_RL_3): Ditto.
346         (SPU_RL_4): Ditto.
347         (SPU_RL_5): Ditto.
348         (SPU_RL_6): Ditto.
349         (SPU_RL_7): Ditto.
350         (SPU_SL_0): Ditto.
351         (SPU_SL_1): Ditto.
352         (SPU_SL_2): Ditto.
353         (SPU_SL_3): Ditto.
354         (SPU_SL_4): Ditto.
355         (SPU_SL_5): Ditto.
356         (SPU_SL_6): Ditto.
357         (SPU_SL_7): Ditto.
358
359         * config/spu/spu.md (v): New iterator macro to add v for vector types.
360         (floatunssidf2_internal): Change vector/vector shift names.
361         (floatunsdidf2_internal): Ditto.
362         (mulv8hi3): Ditto.
363         (ashrdi3): Ditto.
364         (ashrti3): Ditto.
365         (cgt_df): Ditto.
366         (cgt_v2df): Ditto.
367         (dftsv): Ditto.
368         (vashl<mode>3): Rename from ashl<mode>3.
369         (vashr<mode>3): Rename from ashr<mode>3.
370         (vlshr<mode>3): Rename from lshr<mode>3.
371         (vrotl<mode>3): Rename from rotl<mode>3.
372
373 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
374
375         PR target/36224
376         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
377         multiply gives the wrong value when doing widening multiplies.
378         (vec_widen_smult_lo_v4si): Ditto.
379
380 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
381
382         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
383         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
384         emit_library_call_value. 
385         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
386         * tree.h (ECF_LIBCALL_BLOCK): Removed.
387         * calls.c (initialize_argument_information, precompute_arguments, 
388         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
389         (precompute_arguments): Removed flags parameter.
390         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
391         
392 2008-05-14  Richard Guenther  <rguenther@suse.de>
393
394         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
395         Make sure to register the store if the use is a PHI_NODE.
396
397 2008-05-14  Olivier Hainque  <hainque@adacore.com>
398
399         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
400         memory if the component is to be referenced in BLKmode according
401         to get_inner_reference.
402
403 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
404
405         * calls.c (emit_library_call_value_1): Restore code clearing
406         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
407
408 2008-05-14  Olivier Hainque  <hainque@adacore.com>
409             Nicolas Roche  <roche@adacore.com>
410
411         * configure.ac: Add support for a "gcc_subdir" variable in
412         config-lang.in, to denote a subdirectory where the language/GCC
413         integration files are to be found.
414         * configure: Regenerate.
415
416 2008-05-14  Ira Rosen  <irar@il.ibm.com>
417
418         PR tree-optimization/36098
419         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
420         value for the first load in the group in case of a gap.
421         (vect_build_slp_tree): Check that there are no gaps in loads.
422
423 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
424
425         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
426         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
427         expand_copysign_bit, ): Change call to emit_no_conflict_block to
428         emit_insn and remove unneeded code to construct extra args.
429         (emit_no_conflict_block): Removed.
430         * optabls.h: (emit_no_conflict_block): Removed.
431         * cse.c (cse_extended_basic_block): Remove search for
432         REG_NO_CONFLICT note.
433         * global.c: Removed incorrect comment added in revision 117.
434         * expr.c (convert_move): Change call to emit_no_conflict_block to
435         emit_insn.
436         * recog.c: Change comments so that they do not mention
437         REG_NO_CONFLICT.
438         * local_alloc.c (combine_regs): Removed last parameter.
439         (no_conflict_p): Removed.
440         (block_alloc): Removed note, no_conflict_combined_regno and set
441         local vars. Removed all code to process REG_NO_CONFLICT blocks.
442         (combine_regs): Removed already_dead and code to look for
443         REG_NO_CONFLICT notes.
444         * lower_subreg (remove_retval_note): Removed code to look for
445         REG_NO_CONFLICT block.
446         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
447         (resolve_clobber): Remove code to process libcalls that have
448         REG_NO_CONFLICT notes.
449         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
450         case.
451         * combine.c (can_combine_p, distribute_notes):  Removed
452         REG_NO_CONFLICT case.
453         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
454         to emit_insns.
455         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
456         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
457         Ditto.
458         * reg-notes.def (NO_CONFLICT): Removed.
459
460 2008-05-14  David S. Miller  <davem@davemloft.net>
461
462         * config/sparc/sparc.c (sparc_profile_hook): If
463         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
464         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
465         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
466
467 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
468
469         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
470
471 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
472
473         PR target/36222
474         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
475         and op1 expansion before vector concat to have less live pseudos.
476
477 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
478
479         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
480         ix86_expand_vector_set if supported.
481
482 2008-05-13  Diego Novillo  <dnovillo@google.com>
483             Kenneth Zadeck  <zadeck@naturalbridge.com>
484
485         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
486
487         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
488         phinodes_print_statistics, init_ssanames, fini_ssanames,
489         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
490         release_ssa_name, release_defs, replace_ssa_name_symbol,
491         ssanames_print_statistics): Move ...
492         * tree-flow.h: ... here.
493         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
494         Use FN instead of cfun.
495         (make_ssa_name_fn): Rename from make_ssa_name.
496         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
497         * tree-flow-inline.h (make_ssa_name): Move from
498         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
499         * omp-low.c (expand_omp_parallel):
500         * tree-flow-inline.h (redirect_edge_var_map_result):
501         * tree-ssa.c (init_tree_ssa): Add argument FN.
502         Use it instead of cfun.  Update all users.
503
504 2008-05-13  Tom Tromey  <tromey@redhat.com>
505
506         PR preprocessor/22168:
507         * doc/cpp.texi (Top): Update menu.
508         (Alternatives to Wrapper #ifndef): New node.
509         (Other Directives): Document deprecation.
510         (Obsolete Features): Remove menu.
511         (Assertions): Merge node into Obsolete Features.
512         (Obsolete once-only headers): Move earlier; rename to Alternatives
513         to Wrapper #ifndef.
514         * doc/cppopts.texi: Update.
515         * c.opt (Wdeprecated): Enable for C and ObjC.
516         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
517         (C++ Dialect Options): Move -Wno-deprecated from here to...
518         (Warning Options): ... here.
519
520 2008-05-13  Richard Guenther  <rguenther@suse.de>
521
522         PR middle-end/36227
523         * fold-const.c (fold_sign_changed_comparison): Do not allow
524         changes in pointer-ness.
525
526 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
527
528         PR target/24713
529         * config/sh/sh.c (sh_expand_prologue): Don't clear
530         RTX_FRAME_RELATED_P for push insns.
531
532 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
533
534         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
535
536 2008-05-12  Anatoly Sokolov <aesok@post.ru>
537
538         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
539         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
540         Use 'machine->is_leaf' instead of 'leaf_func_p'.
541
542 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
543
544         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
545         (*vec_concatv4sf_sse): This.
546         (*sse2_concatv2si): Renamed to ...
547         (*vec_concatv2si_sse2): This.
548         (*sse1_concatv2si): Renamed to ...
549         (*vec_concatv2si_sse): This.
550         (*vec_concatv2di_rex): Renamed to ...
551         (*vec_concatv2di_rex64): This.
552         (*vec_concatv2si_sse4_1): New.
553         (*vec_concatv2di_rex64_sse4_1): Likewise.
554
555 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
556
557         PR rtl-optimization/36111
558         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
559         that was created for swappable operands.
560
561 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
562
563         PR ada/36001
564         * Makefile.in: Substitute GNATMAKE and GNATBIND.
565         * configure.ac: Add call to ACX_PROG_GNAT.
566
567 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
568
569         * optc-gen.awk: Fix comment typo.
570
571 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
572
573         * pretty-print.c (pp_integer_with_precision): Use
574         HOST_LONG_LONG_FORMAT.
575
576 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
577
578         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
579                 
580 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
581
582         * config/i386/i386.c (bdesc_ptest): Removed.
583         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
584         (bdesc_args): Add __builtin_ia32_ptestz128,
585         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
586         (ix86_init_mmx_sse_builtins): Updated.
587         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
588         (ix86_expand_builtin): Updated.
589
590 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
591
592         * tree-cfg.c (valid_fixed_convert_types_p): New function.
593         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
594
595 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
596
597         * value-prof.c (interesting_stringop_to_profile): Do not
598         return early for BUILT_IN_MEMPCPY.
599
600 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
601
602         * calls.c (expand_call): Don't use callgraph to increase
603         preferred_stack_boundary.
604
605         * cgraph.h (cgraph_rtl_info): Use unsigned on
606         preferred_incoming_stack_boundary.
607
608         * final.c (rest_of_clean_state): Use unsigned on
609         preferred_stack_boundary.
610
611 2008-05-09  Tom Tromey  <tromey@redhat.com>
612
613         PR preprocessor/22231:
614         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
615         proceeding.
616
617 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
618
619         PR tree-optimization/36129
620         * tree-ssa-ccp.c: Include value-prof.h.
621         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
622         built-in function was folded to a constant.
623         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
624
625 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
626             Sebastian Pop  <sebastian.pop@amd.com>
627
628         * tree-scalar-evolution.c: Document instantiate_scev.
629         (instantiate_parameters_1): Renamed instantiate_scev_1.
630         Don't use the same loop for instantiation_loop and evolution_loop.
631         (instantiate_scev): New.
632         (instantiate_parameters): Moved...
633         (resolve_mixers): Update call to instantiate_scev_1 to pass the
634         same loop twice.  Maintains the semantics for this function.
635         * tree-scalar-evolution.h (instantiate_scev): Declare.
636         (instantiate_parameters): ...here.  Now static inline.
637         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
638         instead of resolve_mixers.
639
640 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
641
642         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
643
644 2008-05-09  Tomas Bily  <tbily@suse.cz>
645
646         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
647         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
648         * tree-ssa-structalias.c (get_constraint_for): Likewise.
649         * c-common.c (c_common_truthvalue_conversion): Likewise.
650         * tree-object-size.c (compute_object_offset): Likewise.
651         * tree-inline.c (estimate_num_insns_1): Likewise.
652         * varasm.c (const_hash_1, compare_constant, copy_constant)
653         (compute_reloc_for_constant, output_addressed_constants)
654         (initializer_constant_valid_p): Likewise.
655         * c-omp.c (check_omp_for_incr_expr): Likewise.
656         * gimplify.c (gimplify_expr): Likewise.
657         * c-typeck.c (c_finish_return): Likewise.
658         * tree-vectorizer.c (supportable_widening_operation)
659         (supportable_narrowing_operation): Likewise.
660         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
661         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
662         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
663         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
664         (descr_info_loc): Likewise.
665         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
666         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
667         (fold_unary): Likewise.
668         * builtins.c (get_pointer_alignment): Likewise.
669         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
670         (instantiate_parameters_1): Likewise.
671         * tree.c (expr_align, stabilize_reference): Likewise.
672         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
673         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
674         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
675         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
676         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
677         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
678         Likewise.
679         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
680         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
681         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
682         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
683         (forward_propagate_comparison)
684         (tree_ssa_forward_propagate_single_use_vars): Likewise.
685         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
686         * emit-rtl.c (component_ref_for_mem_expr)
687         (set_mem_attributes_minus_bitpos): Likewise.
688         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
689         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
690         Likewise.
691         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
692         (build_function_call, pointer_diff, build_compound_expr)
693         (c_finish_return): Likewise.
694         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
695         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
696         Likewise.
697         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
698         * expr.c (is_aligning_offset): Likewise.
699         * tree-ssa-alias.c (is_escape_site): Likewise.
700         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
701         (check_all_va_list_escapes): Likewise.
702         * tree-ssa-loop-ivopts.c (determine_base_object)
703         (determine_common_wider_type): Likewise.
704         * dojump.c (do_jump): Likewise.
705         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
706         * tree-gimple.c (is_gimple_cast): Likewise.
707         * fold-const.c (decode_field_reference, )
708         (fold_sign_changed_comparison, fold_unary, fold_comparison)
709         (fold_binary): Likewise.
710         * tree-ssa-alias-warnings.c (find_alias_site_helper)
711         (already_warned_in_frontend_p): Likewise.
712         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
713         * tree.c (really_constant_p, get_unwidened): Likewise.
714         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
715         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
716         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
717         Likewise.
718         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
719         CONVERT_EXPR_P.
720         (CONVERT_EXPR_P): Define.
721         (CASE_CONVERT): Define.
722         
723 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
724
725         PR middle-end/36117
726         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
727         (delete_unmarked_insns): When deleting a call, call
728         delete_unreachable_blocks.
729         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
730         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
731
732 2008-05-08  Richard Guenther  <rguenther@suse.de>
733
734         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
735         (-ftree-salias): Likewise.
736         (salias-max-implicit-fields): Remove param documentation.
737         (salias-max-array-elements): Likewise.
738         * tree-pass.h (pass_create_structure_vars): Remove.
739         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
740         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
741         * tree-ssa-alias.c (create_structure_vars): Remove.
742         (gate_structure_vars): Likewise.
743         (pass_create_structure_vars): Likewise.
744         (gate_build_alias): Likewise.
745         (pass_build_alias): Adjust to run always and dump the function.
746         * common.opt (ftree-salias): Hide.
747         * passes.c (init_optimization_passes): Remove
748         pass_create_structure_vars, adjust comment.
749         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
750         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
751         * opts.c (decode_options): Do not set flag_tree_salias.
752         (common_handle_option): Add OPT_ftree_salias to the backward
753         compatibility section.
754
755 2008-05-08  Richard Guenther  <rguenther@suse.de>
756
757         * tree-flow-inline.h (var_can_have_subvars): Move ...
758         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
759         * tree-flow.h (var_can_have_subvars): Remove.
760         (push_fields_onto_fieldstack): Remove.
761         (sort_fieldstack): Likewise.
762         (struct fieldoff): Move ...
763         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
764         alias_set and base_for_components fields.
765         (sort_fieldstack): Make static.
766         (push_fields_onto_fieldstack): Likewise.  Remove code that
767         handles anything but RECORD_TYPEs.  Remove alias_set and
768         base_for_components handling.
769         (create_variable_info_for): Adjust.
770
771 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
772
773         * common.opt (Wframe-larger-than=): Shorten the help message
774         to one line.
775         * doc/invoke.texi (Wframe-larger-than=): Add more description.
776
777 2008-05-08  Rafael Espindola  <espindola@google.com>
778
779         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
780         trap.
781         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
782         trap and that both operands are gimple values.
783         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
784         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
785         is a fp operation.
786
787 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
788
789         * read-rtl.c (join_c_conditions): Return the first string if the
790         two strings are equal.
791
792 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
793
794         * gensupport.h (pred_data): Add a "num_codes" field.
795         (add_predicate_code): Declare.
796         * gensupport.c (add_predicate_code): New function.
797         (std_pred_table): Add an "allows_const_p" field.
798         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
799         Remove the (incomplete) list of such codes from the codes field.
800         (init_predicate_table): Use add_predicate_code.  Add all
801         RTX_CONST_OBJs if allows_const_p is true.
802         * genrecog.c (process_define_predicate): Use add_predicate_code.
803
804 2008-05-08  David Daney  <ddaney@avtrex.com>
805             Richard Sandiford  <rsandifo@nildram.co.uk>
806         
807         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
808         special case of constant zero operands.
809         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
810         old and new values.  Special case constant zero values.
811         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
812         fails.
813         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
814         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
815
816 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
817
818         PR target/36090
819         * simplify-rtx.c (simplify_plus_minus): Create CONST of
820         similar RTX_CONST_OBJ before CONST_INT.
821
822 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
823
824         * stmt.c (expand_stack_restore): Change sa mode if needed.
825
826 2008-05-08  Richard Guenther  <rguenther@suse.de>
827
828         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
829         return type to bool.
830         (ix86_sol10_return_in_memory): Likewise.
831         (ix86_i386elf_return_in_memory): Likewise.
832         (ix86_i386interix_return_in_memory): Likewise.
833         * config/i386/i386.c (ix86_return_in_memory): Likewise.
834         (ix86_sol10_return_in_memory): Likewise.
835         (ix86_i386elf_return_in_memory): Likewise.
836         (ix86_i386interix_return_in_memory): Likewise.
837
838 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
839
840         PR bootstrap/36180
841         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
842         fndecl argument.
843         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
844         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
845         declared in front.
846
847 2008-05-08  Richard Guenther  <rguenther@suse.de>
848
849         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
850         * tree-data-ref.h (struct dr_alias): Remove subvars field.
851         (DR_SUBVARS): Remove.
852         * tree-dfa.c (dump_subvars_for): Remove.
853         (debug_subvars_for): Likewise.
854         (dump_variable): Do not dump subvars.
855         (remove_referenced_var): Do not remove subvars.
856         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
857         (lookup_subvars_for_var): Remove.
858         (get_subvars_for_var): Likewise.
859         (get_subvars_at): Likewise.
860         (get_first_overlapping_subvar): Likewise.
861         (overlap_subvar): Likewise.
862         * tree-flow.h (subvar_t): Remove.
863         (struct var_ann_d): Remove subvars field.
864         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
865         argument.  Remove special handling of SFTs.
866         (compute_tag_properties): Likewise.
867         (set_initial_properties): Likewise.
868         (compute_call_clobbered): Likewise.
869         (count_mem_refs): Likewise.
870         (compute_memory_partitions): Likewise.
871         (compute_flow_insensitive_aliasing): Likewise.
872         (setup_pointers_and_addressables): Likewise.
873         (new_type_alias): Likewise.
874         (struct used_part): Remove.
875         (used_portions): Likewise.
876         (struct used_part_map): Likewise.
877         (used_part_map_eq): Likewise.
878         (used_part_map_hash): Likewise.
879         (free_used_part_map): Likewise.
880         (up_lookup): Likewise.
881         (up_insert): Likewise.
882         (get_or_create_used_part_for): Likewise.
883         (create_sft): Likewise.
884         (create_overlap_variables_for): Likewise.
885         (find_used_portions): Likewise.
886         (create_structure_vars): Likewise.
887         * tree.def (STRUCT_FIELD_TAG): Remove.
888         * tree.h (MTAG_P): Adjust.
889         (struct tree_memory_tag): Remove base_for_components and
890         unpartitionable flags.
891         (struct tree_struct_field_tag): Remove.
892         (SFT_PARENT_VAR): Likewise.
893         (SFT_OFFSET): Likewise.
894         (SFT_SIZE): Likewise.
895         (SFT_NONADDRESSABLE_P): Likewise.
896         (SFT_ALIAS_SET): Likewise.
897         (SFT_UNPARTITIONABLE_P): Likewise.
898         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
899         (union tree_node): Remove sft field.
900         * alias.c (get_alias_set): Remove special handling of SFTs.
901         * print-tree.c (print_node): Remove handling of SFTs.
902         * tree-dump.c (dequeue_and_dump): Likewise.
903         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
904         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
905         * tree-predcom.c (set_alias_info): Do not set subvars.
906         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
907         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
908         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
909         (add_vars_for_offset): Remove.
910         (add_virtual_operand): Remove special handling of SFTs.
911         (add_call_clobber_ops): Likewise.
912         (add_call_read_ops): Likewise.
913         (get_asm_expr_operands): Likewise.
914         (get_modify_stmt_operands): Likewise.
915         (get_expr_operands): Likewise.
916         (add_to_addressable_set): Likewise.
917         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
918         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
919         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
920         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
921         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
922         (tree_node_structure): Likewise.
923         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
924         handling of SFTs.
925         (find_what_p_points_to): Likewise.
926
927 2008-05-08  Sa Liu  <saliu@de.ibm.com>
928
929         * config/spu/spu.md: Fixed subti3 pattern.
930
931 2008-05-08  Richard Guenther  <rguenther@suse.de>
932
933         PR middle-end/36154
934         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
935         sure to create a representative for trailing arrays for PTA.
936
937 2008-05-08  Richard Guenther  <rguenther@suse.de>
938
939         PR middle-end/36172
940         * fold-const.c (operand_equal_p): Two objects which types
941         differ in pointerness are not equal.
942
943 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
944
945         * calls.c (compute_argument_block_size): Add argument tree fndecl.
946         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
947         (emit_library_call_value_1): Add new variable fndecl initialized by
948         NULL_TREE. It should be the decl type of orgfun, but this information
949         seems not to be available here, so it uses the default calling abi.
950         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
951         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
952         by TARGET_RETURN_IN_MEMORY.
953         * config/i386/i386-interix.h: Likewise.
954         * config/i386/i386.h: Likewise.
955         * config/i386/i386elf.h: Likewise.
956         * config/i386/ptx4-i.h: Likewise.
957         * config/i386/sol2-10.h: Likewise.
958         * config/i386/sysv4.h: Likewise.
959         * config/i386/vx-common.h: Likewise.
960         * config/cris/cris.h: Removed #if 0 clause.
961         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
962         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
963         argument.
964         (ix86_sol10_return_in_memory): Likewise.
965         (ix86_i386elf_return_in_memory): New.
966         (ix86_i386interix_return_in_memory): New.
967         * config/mt/mt-protos.h (mt_return_in_memory): New.
968         * config/mt/mt.c: Likewise.
969         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
970         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
971         * config/bfin/bfin.h: Likewise.
972         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
973         argument.
974         * config/bfin/bfin.c: Likewise.
975         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
976         * config/alpha/unicosmk.h: Likewise.
977         * config/i386/cygming.h: Likewise.
978         * config/iq2000/iq2000.h: Likewise.
979         * config/mips/mips.h: Likewise.
980         * config/mn10300/mn10300.h: Likewise.
981         * config/rs6000/rs6000.h: Likewise.
982         * config/score/score.h: Likewise.
983         * config/spu/spu.h: Likewise.
984         * config/v850/v850.h: Likewise.
985         * defaults.h: Likewise.
986         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
987         * expr.c (emit_block_move): Adjust use of
988         OUTGOING_REG_PARM_STACK_SPACE.
989         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
990         OUTGOING_REG_PARM_STACK_SPACE.
991         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
992
993 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
994
995         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
996         on OMP_RETURN for OMP_FOR.
997
998         PR debug/35896
999         * dwarf2out.c (dw_expand_expr, common_check): Removed.
1000         (fortran_common): New function.
1001         (gen_variable_die): Call fortran_common instead of common_check,
1002         adjust for it returning tree instead of rtx.  Formatting.
1003
1004 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
1005
1006         PR rtl/7335
1007         PR rtl/33826
1008         * see.c (see_copy_insn): Copy new pure const attributes for new call.
1009         * c-decl.c (merge_decls): Ditto.
1010         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
1011         to RTL_CONST_OR_PURE_CALL_P.
1012         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
1013         Initialized DECL_LOOPING_CONST_PURE.
1014         (process_call_operands): Set tree_side_effects properly.
1015         * tree.h (TREE_READONLY_DECL_P): Removed.
1016         (DECL_IS_PURE): Renamed to DECL_PURE_P.
1017         (DECL_LOOPING_OR_CONST_P): New macro.
1018         (struct tree_function_decl): Added looping_const_or_pure_p.
1019         (ECF_*) Renumbered.
1020         (ECF_LOOPING_OR_CONST_P): New macro.
1021         * rtlanal.c (pure_const_p): Removed.
1022         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
1023         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
1024         to RTL_CONST_CALL_P.
1025         * ipa-pure-const.c (pure_const_state_e): Added looping field.
1026         (check_decl, check_tree, check_call, scan_function): Initialize
1027         looping.
1028         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
1029         (static_execute): Set looping true for recursive functions.
1030         Undo setting state to IPA_NEITHER for recursive functions.
1031         * cse.c (cse_insn): 
1032         * ifcvt.c (noce_can_store_speculate_p): Changed
1033         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or 
1034         RTL_CONST_OR_PURE_CALL_P.
1035         * dse.c (scan_insn): Ditto.
1036         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
1037         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
1038         RTL_CONST_OR_PURE_CALL_P.
1039         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
1040         pure_call_p to RTL_CONST_CALL_P.
1041         * gimplify.c (gimplify_call_expr): Clear side effects for
1042         non-looping pure and constant calls.
1043         * calls.c (emit_call_1): Set rtl flags from ecf flags.
1044         (flags_from_decl_or_type): Set ecf flags from decl flags.
1045         (initialize_argument_information): Turn off
1046         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
1047         Change const to pure if callee_copies is true rather than just
1048         turning off const.
1049         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
1050         way of marking pure calls.
1051         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
1052         Remove hack that was supposed to fix pr7335 and remove old
1053         way of marking pure calls.
1054         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
1055         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
1056         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
1057         RTL_CONST_OR_PURE_CALL_P.
1058         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
1059         * loop-invariant.c (find_exits, find_invariant_bb): Changed
1060         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
1061         * sched-deps.c (schedule_analyze): Ditto.
1062         * rtl.h (struct rtx_def): Use call field, unchanging field, and
1063         return_val field of calls to represent pure and const function info.
1064         (CONST_OR_PURE_CALL_P): Deleted macro.
1065         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
1066         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
1067         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
1068         TREE_READONLY.
1069         * tree-optimize.c (execute_fixup_cfg): Added test for
1070         ECF_LOOPING_CONST_OR_PURE.
1071         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
1072         DECL_PURE_P.
1073         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
1074         effects for looping pure or const calls.
1075         (verify_gimple_expr): Added verification code. 
1076         * config/alpha/alpha.c (alpha_legitimize_address,
1077         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
1078         RTL_CONST_CALL_P.
1079         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
1080         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
1081         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
1082         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
1083         RTL_CONST_OR_PURE_CALL_P.
1084         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
1085         and const calls to be deleted.
1086
1087 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
1088
1089         PR target/35714
1090         * config/i386/mmx.md (mmx_subv2sf3): New expander.
1091         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
1092         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
1093         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1094         to handle nonimmediate operands.
1095         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
1096         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
1097         to handle nonimmediate operands.
1098         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
1099         (mmx_pmulhrwv4hi3): New expander.  Use
1100         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1101         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
1102         (sse2_umulv1siv1di3): New expander.  Use
1103         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1104         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
1105         (mmx_eq<mode>3): New expander.  Use
1106         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1107         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
1108         (mmx_uavgv8qi3): New expander.  Use
1109         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1110         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
1111         (mmx_uavgv4hi3): New expander.  Use
1112         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1113
1114         * config/i386/sse.md
1115         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
1116         to handle nonimmediate operands.
1117         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
1118         to handle nonimmediate operands.
1119         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
1120         to handle nonimmediate operands.
1121         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
1122         to handle nonimmediate operands.
1123         (sse2_unpckhpd_exp): New expander.  Use
1124         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1125         (sse2_unpcklpd_exp): New expander.  Use
1126         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1127         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
1128         to handle nonimmediate operands.
1129         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
1130         to handle nonimmediate operands.
1131         (*sse2_<plusminus_insn><mode>3): Rename from
1132         sse2_<plusminus_insn><mode>3 insn pattern.
1133         (sse2_<plusminus_insn><mode>3): New expander.  Use
1134         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1135         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
1136         (sse2_umulv2siv2di3): New expander.  Use
1137         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1138         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
1139         (sse4_1_mulv2siv2di3): New expander.  Use
1140         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1141         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
1142         (sse2_pmaddwd): New expander.  Use
1143         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1144         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
1145         (sse2_eq<mode>3): New expander.  Use
1146         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1147         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
1148         (sse4_1_eqv2di3): New expander.  Use
1149         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1150         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
1151         (sse2_uavgv16qi3): New expander.  Use
1152         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1153         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
1154         (sse2_uavgv16qi3): New expander.  Use
1155         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1156         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
1157         (sse2_uavgv8hi3): New expander.  Use
1158         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1159         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
1160         (ssse3_pmulhrswv8hi3): New expander.  Use
1161         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1162         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
1163         (ssse3_pmulhrswv4hi3): New expander.  Use
1164         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1165
1166         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
1167         (<sse>_vmmul<mode>3): Ditto.
1168         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
1169         (divv2df3): Ditto.
1170         (ssse3_pmaddubsw128): Use register_operand for operand 1.
1171         (ssse3_pmaddubsw): Ditto.
1172
1173         * config/i386/i386.c (struct_builtin_description)
1174         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
1175         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
1176         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
1177         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
1178         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
1179         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
1180         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
1181         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
1182         (ix86_fixup_binary_operands): Assert that src1
1183         and src2 must have the same mode when swapped.
1184         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
1185         and ix86_binary_operator_ok.  Do not force operands in registers
1186         when optimizing.
1187
1188 2008-05-07  Jan Hubicka  <jh@suse.cz>
1189
1190         * cgraph.c (dump_cgraph_node): Update.
1191         * cgraph.h (cgraph_local_info): Break out inline summary.
1192         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
1193         hook.
1194         * ipa-inline (inline_summary): New accestor function.
1195         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
1196         cgraph_decide_inlining, compute_inline_parameters): Update.
1197         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
1198
1199 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
1200
1201         Cleanup ColdFire scheduling support and add V4 pipeline model.
1202
1203         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
1204         (define_attr cpu): Add cfv4 value.
1205         (define_attr type, define_attr type1): Merge into a single 'type'
1206         attribute.  Update all uses.
1207         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
1208         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
1209         Update all uses.
1210         (define_attr opx_mem, define_attr opy_mem): Remove.
1211         (define_attr op_mem): Clean up, update comment.
1212         (define_attr size): Use specific values instead of general int.
1213         (define_attr guess, define_attr split): Remove.  Update all uses.
1214         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
1215         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
1216         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
1217         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
1218         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
1219         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
1220         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
1221         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
1222         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
1223         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
1224         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
1225         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
1226         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
1227         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
1228         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
1229         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
1230         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
1231         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
1232         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
1233         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
1234         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
1235         Update or set attributes.
1236         (stack_tie): New fake instruction.
1237
1238         * config/m68k/m68k.h (TUNE_CFV4): New macro.
1239         (m68k_sched_attr_size): Update declaration.
1240         (m68k_sched_attr_type2): Remove.
1241         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
1242         Declare new bypass predicates.
1243
1244         * config/m68k/m68k.c (m68k_sched_issue_rate,
1245         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
1246         implementations.
1247         (TARGET_SCHED_ISSUE_RATE,
1248         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
1249         (override_options): Handle scheduling for ColdFire V4 core.
1250         (m68k_expand_prologue): Emit stack_tie.
1251         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
1252         'OP_TYPE_FPN'.  Update all uses.
1253         (sched_guess_p): Remove.
1254         (sched_address_type): Handle symbolic addresses.
1255         (sched_get_operand): New static function.
1256         (sched_operand_type): Merge into sched_attr_op_type.
1257         (sched_attr_op_type): Handle FP registers, handle quick constants,
1258         update.
1259         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
1260         (m68k_sched_attr_size): Update.  Move logic to ...
1261         (sched_get_attr_size_int): New static function.
1262         (sched_get_opxy_mem_type): New static function.
1263         (m68k_sched_attr_op_mem): Update.
1264         (m68k_sched_attr_type2): Remove.
1265         (sched_cfv4_bypass_data): New static variable.
1266         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
1267         (m68k_sched_issue_rate): Implement scheduler hook.
1268         (struct _sched_ib: enabled_p): New field.
1269         (m68k_sched_variable_issue): Update.  Handle V4.
1270         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
1271         sched_dump_class_func_t, sched_dump_split_class,
1272         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
1273         sched_dump_dfa_class, m68k_sched_dump): Remove.
1274         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
1275         hook.
1276         (m68k_sched_init_global): Remove statisctics dumping, introduce
1277         sanity check that all instructions have pipeline reservations.  Handle
1278         ColdFire V4 core.
1279         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
1280         Handle ColdFire V4 core.
1281         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
1282         New static functions.
1283         (m68k_sched_address_bypass_p): New bypass predicate.
1284         (sched_get_indexed_address_scale): New static function.
1285         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
1286
1287         * cf.md: Update comments.
1288         (define_attr type2): Remove.  Use 'type' attribute instead.
1289         Update all uses.
1290         (cf_ib): Rename to cfv123_ib.  Update all uses.
1291         (cf_oep): Rename to cfv123_oep.  Update all uses.
1292         (cf_chr): Rename to cfv123_chr.  Update all uses.
1293         (cf_mem): Rename to cfv123_mem.  Update all uses.
1294         (cf_mac): Move to more appropriate place.
1295         (cfv123_guess): New automaton and cpu_unit.
1296         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
1297         Update uses of 'size' attribute.  Handle before reload scheduling.
1298         (cfv123_guess): New dummy reservation for unhandled instructions.
1299         (cfv4_*): Pipeline description of ColdFire V4 core.
1300         (ignore): New reservation to handle 'ignore' type.
1301
1302 2008-05-07  Ian Lance Taylor  <iant@google.com>
1303
1304         PR middle-end/36013
1305         * gimplify.c (find_single_pointer_decl_1): Don't look through
1306         indirections.
1307         (find_single_pointer_decl): Adjust comments.
1308
1309 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
1310
1311         PR middle-end/36137
1312         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
1313         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
1314
1315         PR middle-end/36106
1316         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
1317         integral type rather than floating point, then VIEW_CONVERT_EXPR
1318         to the floating point type.
1319
1320 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
1321
1322         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
1323         TFmode op0 to register.
1324
1325 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
1326
1327         * c-decl.c (grokdeclarator): Comment typo.
1328
1329 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
1330
1331         * tree-flow.h: Remove prototype for computed_goto_p.
1332         * tree-cfg.c (computed_goto_p): Make static.
1333
1334 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1335
1336         PR target/35657
1337         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
1338         (contains_aligned_value_p): This.  Handle _Decimal128.
1339         (ix86_function_arg_boundary): Only align _Decimal128 to its
1340         natural boundary and handle it properly.
1341
1342 2008-05-06  Martin Jambor  <mjambor@suse.cz>
1343
1344         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
1345         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
1346         (ipcp_method_set_orig_node): Removed.
1347         (ipcp_cval_get_cvalue_type): Removed.
1348         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
1349         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
1350         (ipcp_cval_set_cvalue_type): Removed.
1351         (ipcp_cval_get_cvalue): Removed.
1352         (ipcp_cval_set_cvalue): Removed.
1353         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
1354         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
1355         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
1356         (ipcp_cval_meet): Renamed to ipa_lattice_meet
1357         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
1358         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
1359         (ipcp_get_ith_lattice): Changed parameters.
1360         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
1361         (ipcp_lattice_from_jfunc): Changed parameters.
1362         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
1363         (ipcp_method_cval_print): Added temporary variable info.
1364         (ipcp_redirect): Removed already unused local variable caller.
1365         (ipcp_redirect): New temporary variable orig_callee_info
1366         (ipcp_redirect): Removed newly unused local variable callee.
1367         (ipcp_redirect): Removed (a bit confusing) local variable type.
1368         (ipcp_insert_stage): Added local variable info.
1369         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters 
1370         renamed too
1371         (ipcp_formal_create): Removed.
1372         (ipcp_method_cval_set): Removed.
1373         (ipcp_propagate_stage): Renamed lattice variables.
1374         (ipcp_method_cval_set_cvalue_type): Removed.
1375         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
1376         (ipcp_print_all_lattices): Changed printed strings to refer to 
1377         lattices rather than cvals.
1378         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
1379         (ipcp_propagate_const): Changed formal parameters.
1380         (build_const_val): Changed formal parameters.
1381         (ipcp_insert_stage): Removed useless variable cvalue
1382         (build_const_val): Changed formal parameters.
1383         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
1384         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
1385         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
1386         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
1387         (ipcp_print_func_profile_counts): Changed string from "method" to 
1388         "function"
1389         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
1390         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
1391         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
1392         (ipcp_structures_print): Renamed to ipcp_print_all_structures
1393         (ipcp_profile_print): Renamed to ipcp_print_profile_data
1394         (ipcp_lat_is_const): Changed parameters and made inline.
1395         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
1396         (ipcp_redirect): Renamed to ipcp_need_redirect_p
1397         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using 
1398         the predicate condition directly
1399         (ipcp_propagate_stage): Added local variable args. Removed local
1400         variable callee.  (Both are mere code simplifications.)
1401         (ipcp_method_dont_insert_const): Renamed to
1402         ipcp_node_not_modifiable_p.
1403         (ipcp_node_not_modifiable_p): Made inline.
1404         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
1405         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
1406         (ipcp_print_all_lattices): Removed variable cvalue
1407         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
1408         Updated comments.
1409
1410 2008-05-06  Olivier Hainque  <hainque@adacore.com>
1411
1412         * tree-sra.c (try_instantiate_multiple_fields): Early return
1413         if field has POINTER_TYPE.
1414
1415 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
1416
1417         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
1418         by using 'q' specifier for instruction.
1419         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
1420
1421 2008-05-06  Anatoly Sokolov <aesok@post.ru>
1422
1423         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
1424         Change mode of zero_extract from QImode to HImode.
1425         (sign bit tests peepholes): (Ditto.).
1426
1427 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
1428
1429         * config/i386/mmx.md: Remove double backslashes from asm templates.
1430         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
1431         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1432         to handle nonimmediate operands.
1433         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
1434         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1435         to handle nonimmediate operands.
1436         (*mmx_<code>v2sf3_finite): New insn pattern.
1437         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
1438         (mmx_<code>v2sf3): New expander.  Use
1439         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1440         (mmx_<plusminus_insn><mode>3): New expander.  Use
1441         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1442         (*mmx_<plusminus_insn><mode>3): New insn pattern.
1443         (mmx_add<mode>3): Removed.
1444         (mmx_ssadd<mode>3): Ditto.
1445         (mmx_usadd<mode>3): Ditto.
1446         (mmx_sub<mode>3): Ditto.
1447         (mmx_sssub<mode>3): Ditto.
1448         (mmx_ussub<mode>3): Ditto.
1449         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
1450         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
1451         to handle nonimmediate operands.
1452         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
1453         insn pattern.
1454         (mmx_smulv4hi3_highpart): New expander.  Use
1455         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1456         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
1457         insn pattern.
1458         (mmx_umulv4hi3_highpart): New expander.  Use
1459         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1460         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
1461         (mmx_<code>v4hi3): New expander.  Use
1462         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1463         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
1464         (mmx_<code>v8qi3): New expander.  Use
1465         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1466         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
1467         (mmx_<code><mode>3): New expander.  Use
1468         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1469
1470 2008-05-05  Jan Hubicka  <jh@suse.cz>
1471
1472         PR tree-optimization/36118
1473         * passes.c (pass_init_dump_file): Fix dump header.
1474
1475 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1476
1477         PR middle-end/36141
1478         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
1479         VCE for function decls.
1480
1481 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
1482
1483         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
1484
1485 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
1486
1487         * config/i386/i386.md (sat_plusminus): New.
1488         (plusminus_insn): Likewise.
1489         (plusminus_mnemonic): Likewise.
1490         (addsub): Removed.
1491         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
1492         (*<addsub><mode>3_cc_overflow): Renamed to ...
1493         (*<plusminus_insn><mode>3_cc_overflow): This.
1494         (*<addsub>si3_zext_cc_overflow): Renamed to ...
1495         (*<plusminus_insn>si3_zext_cc_overflow): This.
1496
1497         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
1498         (<plusminus_insn><mode>3): This.
1499         (*<addsub><mode>3): Renamed to ...
1500         (*<plusminus_insn><mode>3): This.
1501         (<sse>_vm<addsub><mode>3): Renamed to ...
1502         (<sse>_vm<plusminus_insn><mode>3): This.
1503         (sse3_h<addsub>v4sf3): Renamed to ...
1504         (sse3_h<plusminus_insn>v4sf3): This.
1505         (sse3_h<addsub>v2df3): Renamed to ...
1506         (sse3_h<plusminus_insn>v2df3): This.
1507         (<plusminus_insn><mode>3): New.
1508         (*<plusminus_insn><mode>3): Likewise.
1509         (sse2_<plusminus_insn><mode>3): Likewise.
1510         (add<mode>): Removed.
1511         (*add<mode>3): Likewise.
1512         (sse2_ssadd<mode>3): Likewise.
1513         (sse2_usadd<mode>3): Likewise.
1514         (sub<mode>3): Likewise.
1515         (*sub<mode>3): Likewise.
1516         (sse2_sssub<mode>3): Likewise.
1517         (sse2_ussub<mode>3): Likewise.
1518
1519 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
1520
1521         * gthr-single.h: Add in required interface elements as per gthr.h.
1522         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
1523         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
1524         Generalize UNUSED macro. 
1525         (__gthread_once): Add.
1526         (__gthread_key_create): Add.
1527         (__gthread_key_delete): Add.
1528         (__gthread_getspecific): Add.
1529         (__gthread_setspecific): Add.
1530         
1531 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
1532
1533         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
1534         the same size types for the indirect reference on the rhs, then
1535         create a VCE.
1536
1537 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
1538
1539         * config/i386/i386.md
1540         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
1541         one insn template instead of template series.
1542         (*xordi_1_rex64): Ditto.
1543         (*xordi_2_rex64): Ditto.
1544
1545 2008-05-05  Ira Rosen  <irar@il.ibm.com>
1546
1547         PR tree-optimization/36119
1548         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
1549         in case of SLP.
1550
1551 2008-06-04  Jan Hubicka  <jh@suse.cz>
1552
1553         tree-optimization/36100
1554         * tree-pass.h (pass_O0_always_inline): Declare.
1555         * ipa-inline.c (inline_transform): Remove dead code.
1556         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
1557         pass_O0_always_inline): New.
1558         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
1559
1560 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
1561
1562         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
1563         mnemonic in this_param move for TARGET_64BIT.
1564
1565 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
1566
1567         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
1568         (*strmovsi_rex_1): Ditto.
1569         (*strsetsi_1): Ditto.
1570         (*strsetsi_rex_1): Ditto.
1571
1572         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
1573         adddicc expanders using SWI mode iterator.
1574
1575 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1576
1577         PR target/36121
1578         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
1579         argument handling.
1580
1581 2008-05-04  David S. Miller  <davem@davemloft.net>
1582
1583         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
1584         (sparc*-*-linux*): Use linux.h in tm_file.
1585         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
1586         compiler defaulting to 32-bit.
1587         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
1588         no longer needed.
1589         * config/sparc/linux.h: Remove definitions now obtained
1590         properly from linux.h
1591         * config/sparc/linux64.h: Likewise.
1592         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
1593         don't want this setting for 32-bit builds in a biarch compiler.
1594         * doc/install.texi: Add sparc-linux to list of targets
1595         supporting --enable-targets=all.
1596
1597 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
1598
1599         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
1600
1601 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
1602
1603         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
1604         after V4SI_FTYPE_V8HI.
1605         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
1606         case V4SI_FTYPE_V2DF.
1607
1608 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
1609
1610         * doc/invoke.texi (max-flow-memory-locations): Removed.
1611         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
1612         
1613 2008-05-03  Richard Guenther  <rguenther@suse.de>
1614
1615         PR middle-end/34973
1616         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
1617
1618 2008-05-02  David S. Miller  <davem@davemloft.net>
1619
1620         * config.gcc (need_64bit_hwint): Document libcpp dependency.
1621
1622 2008-05-02  Simon Baldwin <simonb@google.com>
1623
1624         PR bootstrap/36108
1625         * c-common.h (warn_array_subscript_range): Removed.
1626         * c-common.c (warn_array_subscript_range): Ditto.
1627         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
1628         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
1629
1630 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
1631
1632         * config/i386/i386.c (ix86_special_builtin_type): New.
1633         (bdesc_special_args): Likewise.
1634         (ix86_expand_special_args_builtin): Likewise.
1635         (ix86_init_mmx_sse_builtins): Updated.
1636         (ix86_expand_builtin): Updated.
1637         (ix86_expand_store_builtin): Removed.
1638         (ix86_expand_unop_builtin): Likewise.
1639
1640         * config/i386/mm3dnow.h (__v2sf): Moved to ...
1641         * config/i386/mmintrin.h (__v2sf): Here.
1642
1643         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
1644         const __v2sf.
1645         (_mm_loadl_pi): Likewise.
1646         (_mm_storeh_pi): Replace __v2si with __v2sf.
1647         (_mm_storel_pi): Likewise.
1648
1649         * doc/extend.texi: Correct __builtin_ia32_loadhps,
1650         __builtin_ia32_loadlps, __builtin_ia32_storehps,
1651         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
1652         __builtin_ia32_loadlpd.
1653
1654 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
1655
1656         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
1657         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
1658         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
1659         (ix86_init_mmx_sse_builtins): Updated.
1660         (ix86_expand_args_builtin): Likewise.
1661         (ix86_expand_builtin): Likewise.
1662         (ix86_expand_unop1_builtin): Renamed to ...
1663         (ix86_expand_unop_vec_merge_builtin): This.
1664
1665 2008-05-01  Jan Hubicka  <jh@suse.cz>
1666
1667         PR bootstrap/36100
1668         * ipa-inline.c (inline_generate_summary): Make static.
1669         (inline_transform): Do not call inlining at -O0; make static.
1670         * passes.c (execute_todo): Add sanity check.
1671         (execute_one_ipa_transform_pass): Execute proper flags.
1672
1673 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
1674
1675         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
1676         (DECL_NONADDRESSABLE_P): Likewise.
1677         * alias.c (record_component_aliases): Fix comment.
1678
1679 2008-05-01  Simon Baldwin <simonb@google.com>
1680
1681         * c-common.h (warn_array_subscript_range): New function.
1682         * c-common.c (warn_array_subscript_range): Ditto.
1683         * tree-vrp.c (check_array_ref): Corrected code to agree with
1684         comment, ignoring only arrays of size 0 or size 1.
1685         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
1686
1687 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1688
1689         * config/i386/i386.c (ix86_builtin_type): Replace
1690         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
1691         (bdesc_args): Updated.
1692         (ix86_init_mmx_sse_builtins): Likewise.
1693         (ix86_expand_args_builtin): Likewise.
1694
1695         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
1696         with __v1di.
1697
1698         * doc/extend.texi: Correct __builtin_ia32_palignr.
1699
1700 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1701
1702         PR target/36095
1703         * config/i386/i386.c (bdesc_crc32): Removed.
1704         (ix86_expand_crc32): Likewise.
1705         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
1706         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
1707         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
1708         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
1709         UINT_FTYPE_UINT_UCHAR.
1710         (bdesc_args): Updated. Add crc32 builtins.
1711         (ix86_init_mmx_sse_builtins): Updated.
1712         (ix86_expand_args_builtin): Updated to support subreg.
1713
1714         * doc/extend.texi: Correct __builtin_ia32_crc32di.
1715
1716 2008-05-01  Jan Hubicka  <jh@suse.cz>
1717
1718         * tree-pass.h (opt_pass): Add IPA_PASS.
1719         (varpool_node, cgraph_node): Forward declare.
1720         (ipa_opt_pass): Define.
1721         (pass_ipa_inline): Turn into ipa_opt_pass.
1722         (pass_apply_inline): Remove.
1723         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
1724         (apply_inline): Turn into ....
1725         (inline_transform): ... this one.
1726         (inline_generate_summary): New function.
1727         (pass_apply_inline): Remove.
1728         * function.h (ipa_opt_pass): Forward declare structure; typedef;
1729         vector.
1730         (struct function): Add ipa_transforms_to_apply.
1731         * passes.c (register_one_dump_file): Work on IPA_PASS.
1732         (init_optimization_passes): Remove pass_inline_parameters and
1733         pass_apply_inline.
1734         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
1735         (execute_one_pass) ... here; apply transforms when possible.
1736         (add_ipa_transform_pass, execute_ipa_summary_asses,
1737         execute_one_ipa_transform_pass): New.
1738         (execute_ipa_pass_list): Update for IPA_PASS type.
1739
1740 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1741
1742         * config/i386/i386.c (ix86_builtin_type): Add
1743         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
1744         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
1745         (bdesc_args): Add SSE4a builtins.
1746         (ix86_init_mmx_sse_builtins): Updated.
1747         (ix86_expand_args_builtin): Likewise.
1748         (ix86_expand_builtin): Likewise.
1749
1750 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1751
1752         * config/i386/i386.c (ix86_builtin_type): Add
1753         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
1754         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
1755         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
1756         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
1757         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
1758         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
1759         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
1760         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
1761         and DI_FTYPE_DI_DI_INT.
1762         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
1763         (ix86_init_mmx_sse_builtins): Updated.
1764         (ix86_expand_args_builtin): Likewise.
1765         (ix86_expand_builtin): Likewise.
1766         (ix86_expand_binop_imm_builtin): Removed.
1767
1768         * doc/extend.texi: Correct __builtin_ia32_palignr128.
1769
1770 2008-04-30  Richard Guenther  <rguenther@suse.de>
1771
1772         PR tree-optimization/32921
1773         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
1774
1775 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
1776
1777         * config/arm/arm.c (arm_unwind_emit): Use
1778         crtl->all_throwers_are_sibcalls instead of
1779         cfun->all_throwers_are_sibcalls.
1780         (arm_output_fn_unwind): Likewise.
1781         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
1782         instead of cfun->uses_pic_offset_table.
1783         (frv_expand_prologue): Likewise.
1784         (frv_frame_pointer_required): Likewise.
1785         (frv_expand_fdpic_call): Likewise.
1786         (frv_emit_movsi): Likewise.
1787         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
1788         cfun->returns_pcc_struct instead of
1789         current_function_returns_pcc_struct.
1790         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
1791         instead of cfun->calls_eh_return.
1792         (m32c_pushm_popm): Likewise.
1793         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
1794         "extern" declaration.
1795
1796 2008-04-30  Richard Guenther  <rguenther@suse.de>
1797
1798         PR tree-optimization/21636
1799         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
1800         constant address.
1801         (evaluate_stmt): Print the likely value.
1802         (ccp_visit_stmt): Avoid excessive vertical spacing.
1803
1804 2008-04-30  Rafael Espindola  <espindola@google.com>
1805
1806         * builtins.c (fold_call_expr): Return realret.
1807         * tree-ssa-threadedge.c
1808         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1809         __builtin_object_size.
1810
1811 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
1812
1813         * gcc.c (wrapper_string): New variable.
1814         (insert_wrapper): New function.
1815         (execute): New option -wrapper.
1816         * doc/invoke.texi (Overall Options): New driver option -wrapper.
1817
1818 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
1819
1820         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
1821         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
1822         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
1823         from...
1824         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
1825         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
1826         config/rs6000/e500crtres64gprctr.asm,
1827         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
1828         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
1829         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
1830         config/rs6000/e500crtsav64gprctr.asm,
1831         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
1832         config/rs6000/e500crtsavg64gprctr.asm: New files.
1833         * config/rs6000/t-ppccomm: Add build rules for new files.
1834         (LIB2FUNCS_STATIC_EXTRA): Add new files.
1835         * config/rs6000/t-netbsd: Add build rules for new files.
1836         (LIB2FUNCS_STATIC_EXTRA): New variable.
1837         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
1838         (CRTSAVRES_DEFAULT_SPEC): Likewise.
1839         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
1840
1841 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
1842
1843         * config/i386/i386.c (ix86_builtin_type): Add
1844         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
1845         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
1846         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
1847         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
1848         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
1849         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
1850         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
1851         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
1852         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
1853         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
1854         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
1855         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
1856         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
1857         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
1858         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
1859         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
1860         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
1861         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
1862         V1DI_FTYPE_V2SI_V2SI.
1863         (bdesc_2arg): Moved to ...
1864         (bdesc_args): Here.
1865         (ix86_init_mmx_sse_builtins): Updated.
1866         (ix86_expand_args_builtin): Updated.  Take a pointer
1867         to const struct builtin_description.  Handle comparison
1868         builtin functions.
1869         (ix86_expand_sse_compare): Take a new argument for swapping operands.
1870         (ix86_expand_builtin): Updated.
1871
1872         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
1873         (ssse3_pmaddubsw128): This.
1874         (ssse3_pmaddubswv4hi3): Renamed to ...
1875         (ssse3_pmaddubsw): This.
1876
1877         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
1878         (__builtin_ia32_packssdw128): Likewise.
1879         (__builtin_ia32_packuswb128): Likewise.
1880         (__builtin_ia32_pmaddubsw): Likewise.
1881         (__builtin_ia32_pmaddubsw128): Likewise.
1882
1883 2008-04-30  Richard Guenther  <rguenther@suse.de>
1884
1885         PR tree-optimization/14847
1886         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
1887         (recognize_bits_test): Use it.
1888         (recognize_single_bit_test): Likewise.
1889
1890 2008-04-30  Martin Jambor  <mjambor@suse.cz>
1891
1892         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
1893         instead of setting number of formal parameters to zero.
1894         (ipcp_init_stage): Do not set the number of actual parameters to zero 
1895         either.
1896         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
1897         which are called with variable number of arguments.
1898         (ipcp_insert_stage): Explicitely skipping all nodes which are
1899         called with variable number of arguments.
1900         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
1901         number of parameters.
1902
1903         * ipa-prop.h (struct ipa_node_params): Added flag
1904         called_with_var_arguments
1905         (ipa_set_param_count): Added.  Changed sole setter to use it.
1906         (ipa_get_param_count): Added.  All readers of param_count
1907         converted to use it instead.
1908         (ipa_set_called_with_variable_arg): Added.
1909         (ipa_is_called_with_var_arguments): Added.
1910         (ipa_get_ith_param): Added.  All readers of param_decls converted
1911         to use it instead.
1912         (ipa_set_cs_argument_count): Added, sole writer to argument_count 
1913         changed to use it. 
1914         (ipa_get_cs_argument_count): Added, all readers of argument_count
1915         changed to cal it.
1916         (ipa_get_ith_jump_func): Added. Accessors of jump values changed 
1917         to use it.
1918         
1919         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
1920         (struct ipcp_lattice): Renamed cval_type to type
1921         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
1922
1923         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
1924         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
1925         (ipcp_insert_stage): Changed the type of variable cvalue to tree
1926         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
1927         (build_const_val): Changed the type of parameter cvalue to tree
1928         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
1929         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
1930         
1931         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
1932         constant 
1933
1934         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
1935         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
1936         (ipa_add_method): Renamed to ipa_push_func_to_list
1937         (ipa_remove_method): Renamed to ipa_pop_func_from_list
1938         (ipa_callsite_param_count): Removed.
1939         (ipa_callsite_param_count_set): Removed.
1940         (ipa_callsite_param): Removed.
1941         (ipa_callsite_callee): Removed.
1942         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
1943         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
1944         (ipa_method_formal_count): Removed.
1945         (ipa_method_formal_count_set): Removed.
1946         (ipa_method_get_tree): Removed.
1947         (ipa_method_tree_map_create): Removed.
1948         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
1949         (ipa_create_param_decls_array): Creates the array itself
1950         (ipa_create_param_decls_array): Temporary variable info instead of 
1951         a few dereferences.
1952         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
1953         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
1954         (get_type): Removed.
1955         (ipa_jf_get_info_type): Removed.
1956         (ipa_node_create): Renamed to ipa_create_node_params
1957         (ipa_free): Renamed to ipa_free_all_node_params
1958         (ipa_nodes_create): Renamed to ipa_create_all_node_params
1959         (ipa_edges_create): Renamed to ipa_create_all_edge_args
1960         (ipa_edges_free): Renamed to ipa_free_all_edge_args
1961         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
1962         (ipa_free_all_node_params): Deallocation to jump_functions moved to 
1963         ipa_free_all_edge_args
1964         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
1965         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
1966         (ipa_create_methodlist_node): Removed.
1967         (ipa_methodlist_method): Removed.
1968         (ipa_methodlist_method_set): Removed.
1969         (ipa_methodlist_next_method): Removed.
1970         (ipa_methodlist_next_method_set): Removed.
1971         (ipa_method_is_modified): Removed.
1972         (ipa_method_modify_create): Removed.
1973         (ipa_method_modify_init): Temporary variable info instead of a few 
1974         dereferences.
1975         (ipa_detect_param_modifications): Temporary variable info instead of 
1976         a few dereferences.
1977         (ipa_compute_jump_functions): Temporary variable info instead of 
1978         a few dereferences.
1979         (ipa_method_modify_set): Removed.
1980         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
1981         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
1982         than craph_node as the first parameter.
1983         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
1984         (ipa_method_modify_init): Removed.
1985         (ipa_compute_jump_functions): Added a temp variable instead of 
1986         repeatadly dereferencing the cgraph_edge.aux pointer
1987         (ipa_callsite_param_set_type): Removed.
1988         (ipa_compute_jump_functions): i renamed to index and moved to 
1989         an inner block
1990         (ipa_callsite_param_set_info_type_formal): Removed.
1991         (ipa_callsite_param_set_info_type): Removed.
1992         (ipa_callsite_param_map_create): Removed.
1993         (ipa_callsite_tree): Removed.
1994         (ipa_callsite_caller): Removed.
1995         (ipa_pop_func_from_list): return_method removed to return_func
1996
1997         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
1998         prefixed all values with IPA_. Changed all users.
1999         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
2000         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
2001         and FORMAL_IPATYPE IPA_PASS_THROUGH. 
2002         (union parameter_info): Renamed to jump_func_value.
2003         (union jump_func_value): Renamed value to constant
2004         (struct ipa_jump_func): Renamed info_type to value
2005         (struct ipa_node): Renamed to ipa_node_params
2006         (struct ipa_node_params): Renamed ipa_arg_num to param_count
2007         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
2008         (struct ipa_node_params): Renamed ipa_mod to modified_flags
2009         (struct ipa_edge): Renamed to ipa_edge_args
2010         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
2011         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
2012         (struct ipa_methodlist): Renamed to ipa_func_list
2013         (struct ipa_func_list): method_p renamed to node, next_method
2014         renamed to next
2015         (ipa_methodlist_p): Removed, switched all users to struct pointer
2016         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
2017
2018 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
2019
2020         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
2021         (rs6000_emit_epilogue): Use backchain to restore only when we
2022         have a large frame.  Make use of frame pointer to restore if we
2023         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
2024
2025 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
2026
2027         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
2028         Add mode to zero_extract.
2029         (sign bit tests peepholes): (Ditto.).
2030
2031 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2032
2033         * config/i386/i386.c (ix86_builtins): Replace Prescott New
2034         Instructions in comments with SSE3.
2035         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
2036         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
2037         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
2038         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
2039         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
2040         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
2041         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
2042         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
2043         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
2044         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
2045         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
2046         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
2047         (bdesc_sse_args): Renamed to ...
2048         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
2049         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
2050         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
2051         IX86_BUILTIN_FABSQ.
2052         (bdesc_1arg): Moved to ...
2053         (bdesc_args): Here.
2054         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
2055         Instructions in comments with SSE3.
2056         (ix86_expand_sse_operands_builtin): Renamed to ...
2057         (ix86_expand_args_builtin): This.  Updated.
2058         (ix86_expand_unop1_builtin): Update comments.
2059         (ix86_expand_builtin): Updated.
2060
2061 2008-04-29  Richard Guenther  <rguenther@suse.de>
2062
2063         PR tree-optimization/36078
2064         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
2065         Update virtual SSA form after cleaning up the CFG.
2066
2067 2008-04-29  Richard Guenther  <rguenther@suse.de>
2068
2069         PR middle-end/15255
2070         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
2071
2072 2008-04-29  Richard Guenther  <rguenther@suse.de>
2073
2074         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
2075         (compute_may_aliases): Do not call finalize_ref_all_pointers.
2076         (compute_flow_insensitive_aliasing): Do not treat
2077         PTR_IS_REF_ALL pointers special.
2078         (get_smt_for): Likewise.
2079         (may_alias_p): Re-structure.
2080         (is_escape_site): A ref-all pointer conversion is not an escape site.
2081         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
2082         PTR_IS_REF_ALL pointers special.
2083         * tree-ssa-structalias.h (struct alias_info): Remove
2084         ref_all_symbol_mem_tag field.
2085         (PTR_IS_REF_ALL): Remove.
2086
2087 2008-04-29  Richard Guenther  <rguenther@suse.de>
2088
2089         PR middle-end/36077
2090         * fold-const.c (extract_muldiv_1): In combining division constants
2091         make sure to never overflow.
2092
2093 2008-04-29  Nick Clifton  <nickc@redhat.com>
2094
2095         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
2096
2097 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2098
2099         PR bootstrap/35169
2100         * optc-gen.awk: Work around HP-UX/IA awk bug.
2101
2102 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
2103
2104         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
2105         2008-04-25 commit.
2106
2107 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
2108
2109         PR target/36073
2110         * config/i386/i386.md
2111         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
2112         Change operand 1 predicate to nonimmediate_operand.
2113
2114 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
2115
2116         PR debug/36060
2117         * dwarf2out.c (struct die_struct): Mark as chain_circular through
2118         die_sub field.
2119         * gengtype.c (walk_type, write_func_for_structure): Handle
2120         chain_circular.
2121         * doc/gty.texi: Document chain_circular.
2122
2123 2008-04-28  Richard Guenther  <rguenther@suse.de>
2124
2125         PR tree-optimization/36066
2126         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
2127         SCEV and loop.
2128
2129 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
2130
2131         PR target/36064
2132         * config/i386/i386.md
2133         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
2134         Use match_scratch instead of match_operand for operands 3 and 4.
2135
2136 2008-04-27  Richard Guenther  <rguenther@suse.de>
2137
2138         PR tree-optimization/18754
2139         PR tree-optimization/34223
2140         * tree-pass.h (pass_complete_unrolli): Declare.
2141         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
2142         loop size before and after unconditionally of UL_NO_GROWTH in effect.
2143         Rewrite loop into loop closed SSA form if it is not already.
2144         (tree_unroll_loops_completely): Re-structure to iterate over
2145         innermost loops with intermediate CFG cleanups.
2146         Unroll outermost loops only if requested or the code does not grow
2147         doing so.
2148         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
2149         loops are available.
2150         (tree_vectorize): Instead do so here.
2151         (tree_complete_unroll): Also unroll outermost loops.
2152         (tree_complete_unroll_inner): New function.
2153         (gate_tree_complete_unroll_inner): Likewise.
2154         (pass_complete_unrolli): New pass.
2155         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
2156         uses outside of the loop.
2157         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
2158         form if it is available.  
2159         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
2160         * passes.c (init_optimization_passes): Schedule complete inner
2161         loop unrolling pass before the first CCP pass after final inlining.
2162
2163 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2164
2165         * targhooks.h (default_emutls_var_fields,
2166         default_emutls_var_init): Declare.
2167         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
2168         * target.h (struct gcc_target): Add struct emutls member.
2169         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
2170         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
2171         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
2172         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
2173         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
2174         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
2175         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
2176         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
2177         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
2178         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
2179         emit debug information.
2180         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
2181         * varasm.c: Include targhooks.h.
2182         (emutls_object_section, emutls_tmpl_section): New.
2183         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
2184         (EMUTLS_SEPARATOR): New.
2185         (prefix_name): New.
2186         (get_emutls_object_name): New.
2187         (default_emutls_var_fields): New, broken out of ...
2188         (get_emutls_object_type): ... here.  Adjust to use target hooks.
2189         (get_emutls_init_templ_addr): Adjust to use target hooks.
2190         (emutls_decl): Adjust to use target hooks.
2191         (emutls_finish): Likewise.
2192         (default_emutls_var_init): New, broken out of ...
2193         (assemble_variable): ... here.  Adjust to use target hooks.
2194         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
2195         SECCAT_EMUTLS_TMPL.
2196         * c-common.c (handle_section_attribute): Prevent overriding
2197         sections for emulated tls with special sections.
2198         * config/i386/i386.c (x86_64_elf_select_section): Add
2199         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
2200         (x86_64_elf_unique_section): Likewise.
2201         * config/vxworks.c: Include tree.h.
2202         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
2203         (vxworks_override_options): Set TLS scheme.
2204         * doc/tm.texi (Emulated TLS): New node.
2205
2206 2008-04-26  Simon Baldwin <simonb@google.com>
2207
2208         PR c/35652
2209         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
2210         with propagated string constants.
2211
2212 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
2213
2214         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
2215         constraint for operand 2 when operand 0 is memory operand.
2216         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
2217         operand 0 is memory operand.
2218         (fix_trunc<mode>_i387_with_temp): Ditto.
2219         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
2220         operand 2 when operand 1 is memory operand.
2221         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
2222         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
2223         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
2224         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
2225         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
2226         operands 2,3 and 4 when operand 1 is memory operand.
2227         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
2228         is memory operand.
2229         (fistdi2_floor_with_temp): Ditto.
2230         (fist<mode>2_floor_with_temp): Ditto.
2231         (fistdi2_ceil_with_temp): Ditto.
2232         (fist<mode>2_ceil_with_temp): Ditto.
2233         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
2234
2235 2008-04-26  David Daney  <ddaney@avtrex.com>
2236
2237         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
2238         unspec_volitile.
2239         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
2240         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
2241         UNSPEC_UPDATE_GOT_VERSION): Renumber.
2242         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
2243         (compare_and_swap_12): New insn.
2244         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
2245         * config/mips/mips.c (mips_force_binary): New function.
2246         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
2247         (mips_expand_compare_and_swap_12): New function.
2248         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
2249
2250 2008-04-25  Jan Hubicka  <jh@suse.cz>
2251
2252         PR testsuite/35843
2253         * cfgexpand.c (pass_expand): Turn into RTL pass.
2254         * passes.c (execute_one_pass): Do pass typechecking after execution.
2255         * tree-pass.h (pass_expand): Turn into RTL pass.
2256
2257         * function.h (struct rtl_data): Move here fields
2258         accesses_prior_frames, calls_eh_return, saves_all_registers,
2259         has_nonlocal_goto, has_asm_statement, is_thunk,
2260         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
2261         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
2262         arg_pointer_save_area_init from struct function; turn into bool.
2263         (struct function): Move
2264         calls_eh_return, saves_all_registers, has_nonlocal_goto,
2265         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
2266         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
2267         tail_call_emit, arg_pointer_save_area_init
2268         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
2269         (current_function_returns_struct, current_function_returns_pcc_struct,
2270         current_function_calls_setjmp, current_function_calls_alloca,
2271         current_function_accesses_prior_frames,
2272         current_function_calls_eh_return, current_function_is_thunk,
2273         current_function_stdarg, current_function_profile,
2274         current_function_limit_stack, current_function_uses_pic_offset_table,
2275         current_function_uses_const_pool, current_function_has_nonlocal_label,
2276         current_function_saves_all_registers,
2277         current_function_has_nonlocal_goto,
2278         current_function_has_asm_statement): Remove accesor macros.
2279         * ra-conflict.c (global_conflicts): Update.
2280         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
2281         (suitable_for_tail_call_opt_p): Update.
2282         * builtins.c (expand_builtin_return_addr): Update.
2283         (expand_builtin_setjmp_setup): Update.
2284         (expand_builtin_nonlocal_goto): Update.
2285         * final.c (final_start_function): Update.
2286         (profile_function): Update.
2287         (leaf_function_p): Update.
2288         (only_leaf_regs_used): Update.
2289         * df-scan.c (df_get_exit_block_use_set): Update.
2290         * dojump.c (clear_pending_stack_adjust): Update.
2291         * tree-stdarg.c (gate_optimize_stdarg): Update.
2292         * gimple-low.c (lower_function_body): Update.
2293         * global.c (compute_regsets): Update.
2294         (global_alloc): Update.
2295         * dwarf2out.c (dwarf2out_begin_prologue): Update.
2296         * expr.c (expand_assignment): Update.
2297         * dse.c (dse_step0): Update.
2298         (dse_step1): Update.
2299         * c-decl.c (store_parm_decls): Update.
2300         * local-alloc.c (combine_regs): Update.
2301         (find_free_reg): Update.
2302         * function.c (assign_parms_augmented_arg_list): Update.
2303         (assign_parm_find_data_types): Update.
2304         (assign_parms): Update.
2305         (allocate_struct_function): Update.
2306         (expand_function_start): Update.
2307         (expand_function_end): Update.
2308         (get_arg_pointer_save_area): Update.
2309         (thread_prologue_and_epilogue_insns): Update.
2310         (rest_of_match_asm_constraints): Update.
2311         * stor-layout.c (variable_size): Update.
2312         * gcse.c (gcse_main): Update.
2313         (bypass_jumps): Update.
2314         * gimplify.c (gimplify_function_tree): Update.
2315         * calls.c (emit_call_1): Update.
2316         (expand_call): Update.
2317         * bt-load.c (compute_defs_uses_and_gen): Update.
2318         * except.c (sjlj_assign_call_site_values): Update.
2319         (sjlj_emit_function_enter): Update.
2320         (can_throw_external): Update.
2321         (set_nothrow_function_flags): Update.
2322         (expand_builtin_unwind_init): Update.
2323         (expand_eh_return): Update.
2324         (convert_to_eh_region_ranges): Update.
2325         (output_function_exception_table): Update.
2326         * emit-rtl.c (gen_tmp_stack_mem): Update.
2327         * cfgexpand.c (expand_used_vars): Update.
2328         (tree_expand_cfg): Update.
2329         * cfgcleanup.c (rest_of_handle_jump): Update.
2330         * explow.c (allocate_dynamic_stack_space): Update.
2331         * varasm.c (assemble_start_function): Update.
2332         (force_const_mem): Update.
2333         (mark_constant_pool): Update.
2334         * tree-optimize.c (tree_rest_of_compilation): Update.
2335         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
2336         * tree-cfg.c (notice_special_calls): Update.
2337         (is_ctrl_altering_stmt): Update.
2338         (tree_can_make_abnormal_goto): Update.
2339         (tree_purge_dead_abnormal_call_edges): Update.
2340         * config/alpha/predicates.md: Update.
2341         * config/alpha/alpha.c (alpha_sa_mask): Update.
2342         (alpha_sa_size): Update.
2343         (alpha_does_function_need_gp): Update.
2344         (alpha_expand_prologue): Update.
2345         (alpha_start_function): Update.
2346         (alpha_output_function_end_prologue): Update.
2347         (alpha_expand_epilogue): Update.
2348         * config/frv/frv.c (frv_stack_info): Update.
2349         (frv_expand_epilogue): Update.
2350         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
2351         (s390_register_info): Update.
2352         (s390_frame_info): Update.
2353         (s390_init_frame_layout): Update.
2354         (s390_can_eliminate): Update.
2355         (save_gprs): Update.
2356         * config/spu/spu.c (spu_split_immediate): Update.
2357         (need_to_save_reg): Update.
2358         (spu_expand_prologue): Update.
2359         (spu_expand_epilogue): Update.
2360         * config/sparc/sparc.md: Update.
2361         * config/sparc/sparc.c (eligible_for_return_delay): Update.
2362         (sparc_tls_got): Update.
2363         (legitimize_pic_address): Update.
2364         (sparc_emit_call_insn): Update.
2365         (sparc_expand_prologue): Update.
2366         (output_return): Update.
2367         (print_operand): Update.
2368         (sparc_function_ok_for_sibcall): Update.
2369         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
2370         * config/m32r/m32r.md: Update.
2371         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
2372         (m32r_compute_frame_size): Update.
2373         (m32r_expand_prologue): Update.
2374         (m32r_expand_epilogue): Update.
2375         (m32r_legitimize_pic_address): Update.
2376         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
2377         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
2378         * config/i386/i386.c (ix86_frame_pointer_required): Update.
2379         (gen_push): Update.
2380         (ix86_save_reg): Update.
2381         (ix86_compute_frame_layout): Update.
2382         (ix86_expand_prologue): Update.
2383         (ix86_expand_epilogue): Update.
2384         * config/sh/sh.c (output_stack_adjust): Update.
2385         (calc_live_regs): Update.
2386         (sh5_schedule_saves): Update.
2387         (sh_expand_prologue): Update.
2388         (sh_expand_epilogue): Update.
2389         (sh_setup_incoming_varargs): Update.
2390         (sh_allocate_initial_value): Update.
2391         (sh_get_pr_initial_val): Update.
2392         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
2393         * config/sh/sh.md (label:): Update.
2394         * config/avr/avr.c (out_movhi_mr_r): Update.
2395         * config/crx/crx.h (enum): Update.
2396         * config/xtensa/xtensa.h (along): Update.
2397         * config/stormy16/stormy16.c Update.
2398         (xstormy16_compute_stack_layout): Update.
2399         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
2400         (fr30_expand_prologue): Update.
2401         * config/cris/cris.c (cris_conditional_register_usage): Update.
2402         (cris_reg_saved_in_regsave_area): Update.
2403         (cris_initial_frame_pointer_offset): Update.
2404         (cris_simple_epilogue): Update.
2405         (cris_expand_prologue): Update.
2406         (cris_expand_epilogue): Update.
2407         (cris_expand_pic_call_address): Update.
2408         (cris_asm_output_symbol_ref): Update.
2409         (cris_asm_output_label_ref): Update.
2410         * config/cris/cris.md Update.
2411         * config/iq2000/iq2000.c (compute_frame_size): Update.
2412         (iq2000_expand_epilogue): Update.
2413         * config/mt/mt.h (save_direction): Update.
2414         * config/mn10300/mn10300.c (mn10300_function_value): Update.
2415         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
2416         (ia64_secondary_reload_class): Update.
2417         * config/m68k/m68k.c (m68k_save_reg): Update.
2418         (m68k_expand_prologue): Update.
2419         (m68k_expand_epilogue): Update.
2420         (legitimize_pic_address): Update.
2421         * config/rs6000/rs6000.c (rs6000_got_register): Update.
2422         (first_reg_to_save): Update.
2423         (first_altivec_reg_to_save): Update.
2424         (compute_vrsave_mask): Update.
2425         (compute_save_world_info): Update.
2426         (rs6000_stack_info): Update.
2427         (spe_func_has_64bit_regs_p): Update.
2428         (rs6000_ra_ever_killed): Update.
2429         (rs6000_emit_eh_reg_restore): Update.
2430         (rs6000_emit_allocate_stack): Update.
2431         (rs6000_emit_prologue): Update.
2432         (rs6000_emit_epilogue): Update.
2433         (rs6000_output_function_epilogue): Update.
2434         (output_profile_hook): Update.
2435         (rs6000_elf_declare_function_name): Update.
2436         * config/rs6000/rs6000.h (rs6000_args): Update.
2437         * config/rs6000/rs6000.md: Update.
2438         * config/mcore/mcore.c (mcore_expand_prolog): Update.
2439         * config/arc/arc.c (arc_output_function_epilogue): Update.
2440         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
2441         * config/darwin.c (machopic_function_base_name): Update.
2442         * config/score/score3.c (score3_compute_frame_size): Update.
2443         (rpush): Update.
2444         (rpop): Update.
2445         (score3_epilogue): Update.
2446         * config/score/score7.c (score7_compute_frame_size): Update.
2447         (score7_prologue): Update.
2448         (score7_epilogue): Update.
2449         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
2450         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
2451         * config/arm/arm.c (use_return_insn): Update.
2452         (require_pic_register): Update.
2453         (arm_load_pic_register): Update.
2454         (arm_compute_save_reg0_reg12_mask): Update.
2455         (arm_compute_save_reg_mask): Update.
2456         (thumb1_compute_save_reg_mask): Update.
2457         (output_return_instruction): Update.
2458         (arm_output_function_prologue): Update.
2459         (arm_output_epilogue): Update.
2460         (arm_get_frame_offsets): Update.
2461         (arm_expand_prologue): Update.
2462         (thumb_pushpop): Update.
2463         (thumb_exit): Update.
2464         (thumb1_expand_prologue): Update.
2465         (thumb1_expand_epilogue): Update.
2466         (arm_unwind_emit): Update.
2467         (arm_output_fn_unwind): Update.
2468         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
2469         * config/arm/arm.md: Update.
2470         * config/pa/pa.md: Update.
2471         * config/pa/pa.c (legitimize_pic_address): Update.
2472         (compute_frame_size): Update.
2473         (hppa_expand_prologue): Update.
2474         (hppa_expand_epilogue): Update.
2475         (borx_reg_operand): Update.
2476         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
2477         (HARD_REGNO_RENAME_OK): Update.
2478         * config/mips/mips.c (mips_global_pointer): Update.
2479         (mips_save_reg_p): Update.
2480         (mips_compute_frame_info): Update.
2481         (mips_frame_pointer_required): Update.
2482         (mips_expand_prologue): Update.
2483         (mips_expand_epilogue): Update.
2484         (mips_can_use_return_insn): Update.
2485         (mips_reorg_process_insns): Update.
2486         * config/v850/v850.c (compute_register_save_size): Update.
2487         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
2488         * config/mmix/mmix.c (along): Update.
2489         (mmix_expand_epilogue): Update.
2490         * config/bfin/bfin.c (legitimize_pic_address): Update.
2491         (must_save_p): Update.
2492         (stack_frame_needed_p): Update.
2493         (add_to_reg): Update.
2494         (bfin_expand_prologue): Update.
2495         * stmt.c (expand_asm_operands): Update.
2496         * reload1.c (reload): Update.
2497         (init_elim_table): Update.
2498
2499 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
2500         
2501         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
2502         
2503 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
2504
2505         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
2506         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
2507         (mov<mode>): Removed.
2508         (*movv4sf_internal): Likewise.
2509         (*movv2df_internal): Likewise.
2510
2511 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
2512
2513         * config.gcc (crx-*-elf): Remove deprecation.
2514
2515 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
2516
2517         * config/i386/cygming-crtend.c (register_frame_ctor): Register
2518         __gcc_deregister_frame with atexit.
2519         (deregister_frame_dtor): Remove.
2520
2521 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
2522             Nathan Sidwell  <nathan@codesourcery.com>
2523
2524         * config/rs6000/rs6000.opt (mspe): Remove Var property.
2525         (misel): Likewise.
2526         * config/rs6000/rs6000.h (rs6000_spe): Declare.
2527         (rs6000_isel): Likewise.
2528         * config/rs6000/rs6000.c (rs6000_spe): New variable.
2529         (rs6000_isel): New variable.
2530         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
2531
2532 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2533
2534         PR c++/35758
2535         * c-common.c (handle_vector_size_attribute): Call
2536         lang_hooks.types.reconstruct_complex_type instead of
2537         reconstruct_complex_type.
2538         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
2539         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
2540         * langhooks.h (struct lang_hooks_for_types): Add
2541         reconstruct_complex_type hook.
2542         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
2543         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
2544
2545 2008-04-24  Richard Guenther  <rguenther@suse.de>
2546
2547         * c-common.h (check_builtin_function_arguments): Declare.
2548         * c-common.c (validate_nargs): New function.
2549         (check_builtin_function_arguments): Likewise.
2550         * c-typeck.c (build_function_call): Call
2551         check_builtin_function_arguments.
2552         * builtins.c (fold_builtin_classify): Remove error reporting code.
2553         (fold_builtin_unordered_cmp): Likewise.
2554         (fold_builtin_1): Likewise.
2555         (fold_builtin_n): Likewise.
2556
2557 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2558
2559         PR tree-optimization/36008
2560         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
2561         the original op1, rather than delta by step.
2562
2563 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
2564             Sebastian Pop  <sebastian.pop@amd.com>
2565
2566         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
2567         eliminate_local_variables_stmt, eliminate_local_variables,
2568         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
2569         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
2570         of code delimited by two edges in the CFG.
2571         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
2572         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
2573         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
2574         the case of parallelisation of reductions.
2575         (expr_invariant_in_region_p): New.
2576
2577         * tree-flow.h (gather_blocks_in_sese_region): Declared.
2578         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
2579
2580 2008-04-24  Ira Rosen  <irar@il.ibm.com>
2581             Richard Guenther  <rguenther@suse.de>
2582
2583         PR tree-optimization/36034
2584         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
2585         incapable of dealing with loads with gaps.
2586
2587 2008-04-24  Rafael Espindola  <espindola@google.com>
2588
2589         * tree-flow.h (vrp_evaluate_conditional): Change signature.
2590         * tree-ssa-propagate.c (fold_predicate_in): Update call to
2591         vrp_evaluate_conditional.
2592         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
2593         (vrp_evaluate_conditional): Split the cond argument.
2594         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
2595         (simplify_stmt_for_jump_threading): Update call to
2596         vrp_evaluate_conditional.
2597
2598 2008-04-24  Ira Rosen  <irar@il.ibm.com>
2599
2600         PR tree-optimization/35982
2601         * tree-vect-analyze.c (vect_check_interleaving): Check that the
2602         interleaved data-refs are of the same type.
2603
2604 2008-04-24  Danny Smith  <dannysmith@users.net>
2605
2606         * c-format.c (check_format_info_main): Use strncmp rather than a
2607         magic prefix to handle multichar length specs.
2608         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
2609         Don't prefix "I64" and "I32" with '\0'.
2610
2611 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2612
2613         PR target/36015
2614         * config/i386/i386.c (init_cumulative_args): Don't pass anything
2615         in registers for -m32 only if stdarg_p (fntype).
2616
2617 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
2618
2619         PR rtl-optimization/36006
2620         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
2621         temp to op0 in order to avoid invalid rtx sharing.
2622
2623 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
2624
2625         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
2626         check TREE_INVARIANT.
2627         * tree-gimple.c (is_gimple_address): New.
2628         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
2629         * tree-gimple.h (is_gimple_address): New.
2630         * tree.h (decl_address_invariant_p): New.
2631         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
2632         (build_string): Likewise.
2633         (decl_address_invariant_p): New, from is_gimple_invariant_address.
2634         (tree_invariant_p_1): Likewise.
2635         (save_expr): Use it.
2636         (tree_invariant_p): New.
2637         (skip_simple_arithmetic): Use it.
2638         (stabilize_reference_1): Use it.
2639         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
2640         simplify.
2641         (build1_stat): Drop code to compute TREE_INVARIANT.
2642         (build2_stat): Drop code to compute TREE_INVARIANT.
2643         (build3_stat): Drop code to compute TREE_INVARIANT.
2644         (build4_stat): Drop code to compute TREE_INVARIANT.
2645         (build5_stat): Drop code to compute TREE_INVARIANT.
2646         (build7_stat): Drop code to compute TREE_INVARIANT.
2647         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
2648         * tree.h (struct tree_base): Remove invariant_flag.
2649         (TREE_INVARIANT): Remove.
2650         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
2651         (fold_builtin_expect): Check TREE_CONSTANT.
2652         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
2653         * c-tree.h (c_expr_to_decl): Drop third parameter.
2654         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
2655         (build_c_cast): Don't set TREE_INVARIANT.
2656         (pop_init_level): Don't set TREE_INVARIANT.
2657         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
2658         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
2659         TREE_CONSTANT.
2660         (gimplify_init_constructor): Don't set TREE_INVARIANT.
2661         (gimplify_addr_expr): Adjust comment.
2662         * tree-mudflap.c (mf_build_string):
2663         * print-tree.c (print_node): Don't print TREE_INVARIANT.
2664         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
2665         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
2666         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
2667         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
2668         * langhooks.h (struct lang_hooks): Drop third parameter from
2669         expr_to_decl.
2670
2671 2008-04-23  Richard Guenther  <rguenther@suse.de>
2672
2673         PR tree-optimization/27799
2674         PR tree-optimization/32921
2675         PR tree-optimization/32624
2676         * tree-ssa-structalias.c (merge_smts_into): Only merge the
2677         SMTs aliases and the tag itself into the solution.
2678         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
2679         merge the points-to solution back into the SMT aliases.
2680         (may_alias_p): Use alias_set_subset_of instead of
2681         aliases_conflict_p.  A pointer which points to
2682         memory with alias set zero may access any variable.
2683
2684 2008-04-23  Richard Guenther  <rguenther@suse.de>
2685
2686         * alias.c (alias_set_subset_of): Correctly handle asking
2687         if zero is a subset of an alias set with zero child.
2688         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
2689         (compute_flow_insensitive_aliasing): Correctly walk all
2690         pointers.  Do not unnecessarily union sets.
2691
2692 2008-04-23  Richard Guenther  <rguenther@suse.de>
2693
2694         PR middle-end/36021
2695         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
2696
2697 2008-04-22  Tomas Bily  <tbily@suse.cz>
2698
2699         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
2700         unreachable case.
2701         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
2702         NON_LVALUE_EXPR.
2703         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
2704         * tree-ssa-structalias.c (get_constraint_for): Likewise.
2705         * tree-inline.c (estimate_num_insns_1): Likewise.
2706         * varasm.c (const_hash_1, compare_constant, copy_constant)
2707         (compute_reloc_for_constant, output_addressed_constants): Likewise.
2708         * emit-rtl.c (component_ref_for_mem_expr)
2709         (set_mem_attributes_minus_bitpos): Likewise.
2710         * expr.c (highest_pow2_factor, expand_expr_real_1, )
2711         (is_aligning_offset): Likewise.
2712         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
2713         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
2714         * dojump.c (do_jump): Likewise.
2715         * builtins.c (get_pointer_alignment, get_memory_rtx)
2716         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
2717         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
2718
2719 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
2720
2721         PR rtl-optimization/36017
2722         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
2723         expanding the library call.
2724
2725 2008-04-22  Ian Lance Taylor  <iant@google.com>
2726
2727         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
2728         than size_in_bytes.
2729
2730 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
2731
2732         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
2733         of LR/CTR moves for Power6.
2734
2735 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
2736
2737         PR middle-end/36003
2738         * passes.c (init_optimization_passes): Remove
2739         pass_fast_rtl_byte_dce.
2740         
2741 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
2742
2743         PR target/29096
2744         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
2745         builtin functions to generate faster code.
2746         (_mm_cvtpu16_ps): Ditto.
2747         (_mm_cvtpi32x2_ps): Ditto.
2748
2749 2008-04-22  Nick Clifton  <nickc@redhat.com>
2750
2751         * common.opt (ftree-loop-distribution): Add Optimization
2752         attribute.
2753
2754         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
2755         (frv_expand_builtin_va_start): Likewise.
2756
2757         * config/arm/arm.c (thumb_find_work_register): Fix location of
2758         argument register count.
2759
2760 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
2761
2762         Support scheduling for ColdFire V1 and V3 microarchitecture.
2763         Improve scheduling of multiplication instructions.
2764
2765         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
2766         (mac): New instruction attribute.
2767         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
2768         (m68k_sched_mac): New variable.
2769         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
2770         Handle cfv1 and cfv3.
2771         (max_insn_size): New static variable.
2772         (struct _sched_ib): New type.
2773         (sched_ib): New static variable.
2774         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
2775         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
2776         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
2777         Update.
2778         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
2779         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
2780         new variables.  Update.
2781         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
2782         Add modeling of cfv3 instruction buffer.  Update.
2783         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
2784         * config/m68k/m68k.h (TUNE_CFV3): New macro.
2785         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
2786         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
2787         a particular reservation applies to.
2788         (type2): Reorganize attribute values.  Rename alu to alu_reg,
2789         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
2790         to mul_l and mul_w.
2791         (cf_ib_*): Simplify description of instruction buffer.
2792         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
2793         (cf_mem): Split into cf_mem1 and cf_mem2.
2794         (cf_v2_move_??): Rename to cfv12_alu_??.
2795         (cf_v2_move_l_??): Rename to cfv12_omove_??.
2796         (cf_v2_mul_??): Remove reservations.
2797         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
2798         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
2799         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
2800         appropriate place.
2801         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
2802         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
2803         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
2804         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
2805         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
2806         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
2807         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
2808         expansions of the above reservations for instructions of sizes
2809         1, 2 and 3 words.
2810
2811 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
2812
2813         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
2814
2815 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
2816
2817         * coverage.c: Include tree-pass.h.
2818         (coverage_counter_alloc): Print da_file_name to the dump file.
2819
2820 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
2821
2822         * sbitmap.c (sbitmap_range_empty_p): New function.
2823         * sbitmap.h (sbitmap_range_empty_p): New function.
2824         * bitmap.h: Now includes obstack.h.
2825
2826 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
2827             Kenneth Zadeck  <zadeck@naturalbridge.com>
2828
2829         * dbgcnt.def (ra_byte_scan): Added.
2830         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
2831         when the last hit happens for a counter.  
2832         * timevar.def (TV_DF_BYTE_LR): New variable.
2833         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
2834         * passes.c (pass_fast_rtl_byte_dce): New pass.
2835         * fwprop.c (update_df): Added mode to call df_ref_create.
2836         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
2837         DF_REF_EXTRACT_OFFSET.
2838         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, 
2839         DF_BYTE_LR_OUT, df_byte_lr): New macro.
2840         (df_mm): New enum.
2841         (df_ref_extract): Added mode field.
2842         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
2843         DF_REF_EXTRACT_OFFSET.
2844         (DF_REF_EXTRACT_MODE): New macro.
2845         (df_byte_lr_bb_info): New structure.
2846         (df_print_byte_regset, df_compute_accessed_bytes, 
2847         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
2848         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
2849         df_byte_lr_simulate_uses,
2850         df_byte_lr_simulate_artificial_refs_at_top,
2851         df_byte_lr_simulate_artificial_refs_at_end,
2852         df_compute_accessed_bytes): New function.
2853         (df_ref_create): Add parameter.
2854         (df_byte_lr_get_bb_info): New inline function.
2855         * df-scan.c (df_ref_record, df_uses_record,
2856         df_ref_create_structure): Added mode parameter.
2857         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, 
2858         df_defs_record, df_uses_record, df_get_conditional_uses,
2859         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, 
2860         df_entry_block_defs_collect, df_exit_block_uses_collect):
2861         Added mode parameter to calls to df_ref_record, df_uses_record,
2862         df_ref_create_structure.
2863         (df_ref_equal_p, df_ref_compare): Added test for modes.
2864         (df_ref_create_structure): Added code to set mode.  Renamed
2865         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
2866         DF_REF_EXTRACT_OFFSET.
2867         * df-core.c (df_print_byte_regset): New function.
2868         * df-byte-scan.c: New file.
2869         * df-problems.c (df_rd_transfer_function): Removed unnecessary
2870         calls to BITMAP_FREE.  
2871         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
2872         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
2873         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, 
2874         df_byte_lr_check_regs, df_byte_lr_expand_bitmap, 
2875         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
2876         df_byte_lr_local_compute, df_byte_lr_init,
2877         df_byte_lr_confluence_0, df_byte_lr_confluence_n, 
2878         df_byte_lr_transfer_function, df_byte_lr_free, 
2879         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
2880         df_byte_lr_add_problem, df_byte_lr_simulate_defs, 
2881         df_byte_lr_simulate_uses,
2882         df_byte_lr_simulate_artificial_refs_at_top,
2883         df_byte_lr_simulate_artificial_refs_at_end): New function.
2884         * dce.c (byte_dce_process_block): New function.
2885         (dce_process_block): au is now passed in rather than computed
2886         locally.  Changed loops that look at artificial defs to not look
2887         for conditional or partial ones, because there never are any.  
2888         (fast_dce): Now is able to drive byte_dce_process_block or 
2889         dce_process_block depending on the kind of dce being done.
2890         (rest_of_handle_fast_dce): Add parameter to fast_dce.
2891         (rest_of_handle_fast_byte_dce): New function.
2892         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
2893         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
2894
2895 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
2896
2897         PR fortran/35019
2898         * gcc.h: Added fortran options that take arguments to
2899         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
2900         macros.
2901
2902 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
2903
2904         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
2905         scalarization if on the LHS and not a full access.
2906
2907 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2908
2909         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
2910
2911 2008-04-18  Rafael Espindola  <espindola@google.com>
2912
2913         * tree-vrp.c (find_case_label_index): Fix the binary search.
2914         (find_case_label_range): New.
2915         (vrp_visit_switch_stmt): Use find_case_label_range.
2916         (simplify_switch_using_ranges): Use find_case_label_range.
2917
2918 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2919
2920         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
2921         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
2922
2923 2008-04-18  Tom Tromey  <tromey@redhat.com>
2924
2925         PR libcpp/15500:
2926         * doc/cpp.texi (Implementation-defined behavior): Mention
2927         -finput-charset.
2928
2929 2008-04-18  Ian Lance Taylor  <iant@google.com>
2930
2931         * fold-const.c (pointer_may_wrap_p): New static function.
2932         (fold_comparison): Add another test for pointer overflow.  Use
2933         pointer_may_wrap_p to disable some false positives.
2934
2935 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
2936           
2937         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
2938         (fname_as_string): Match updated cpp_interpret_string prototype.
2939         (fix_string_type): Support char16_t* and char32_t*.
2940         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
2941         derivative) nodes.  Register as builtin if C++0x.
2942         (c_parse_error): Support CPP_CHAR{16,32}.
2943         * c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
2944         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
2945         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
2946         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
2947         CTI_CHAR32_ARRAY_TYPE>: New elements.
2948         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
2949         char32_type_node, signed_char32_type_node, char16_array_type_node,
2950         char32_array_type_node): New defines.
2951         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
2952         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
2953         (lex_string): Support CPP_STRING{16,32}, match updated
2954         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
2955         (lex_charconst): Support CPP_CHAR{16,32}.
2956         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
2957         and CPP_STRING{16,32}.
2958
2959 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
2960
2961         PR bootstrap/35457
2962         * aclocal.m4: Regenerate.
2963         * configure: Regenerate.
2964
2965 2008-04-18  Jan Hubicka  <jh@suse.cz>
2966
2967         * except.c (dw2_size_of_call_site_table,
2968         sjlj_size_of_call_site_table): Use vector API for call_site_record.
2969
2970         * cgraphbuild.c (build_cgraph_edges): Update.
2971         * tree-pass.h: Update comment.
2972         * final.c (leaf_function_p): Update.
2973         (leaf_renumber_regs): Update.
2974         (rest_of_clean_state): Update.
2975         * omp-low.c (expand_omp_parallel): Update.
2976         * ipa-reference.c (analyze_function): Update.
2977         * reorg.c (find_end_label): Update.
2978         (optimize_skip): Update.
2979         (fill_simple_delay_slots): Update.
2980         (fill_simple_delay_slots): Update.
2981         (make_return_insns): Update.
2982         (dbr_schedule): Update.
2983         * gimple-low.c (record_vars_into): Update.
2984         * cfgbuild.c (make_edges): Update.
2985         * function.c (assign_stack_local): Update.
2986         (assign_parm_adjust_stack_rtl): Update.
2987         (locate_and_pad_parm): Update.
2988         (allocate_struct_function): Do not initialize stack_alignment_needed
2989         and preferred_stack_boundary here.
2990         (stack_protect_prologue): Update.
2991         (stack_protect_epilogue): Update.
2992         (expand_function_start): Initialize stack_alignment_needed,
2993         preferred_stack_boundary and max_jumptable_ents.
2994         (expand_function_end): Update.
2995         (free_after_compilation): Do not NULLify epilogue_delay_list.
2996         * function.h (struct rtl_data): Add stack_protect_guard,
2997         stack_alignment_needed,
2998         preferred_stack_boundary, epilogue_delay_list.
2999         (struct function): Remove value_histograms, stack_alignment_needed,
3000         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
3001         last_label_uid,
3002         unexpanded_var_list, stack_protect_guard.
3003         (current_function_epilogue_delay_list): Remove.
3004         * ipa-type-escape.c (analyze_function): Update.
3005         * gimplify.c (pop_gimplify_context): Update comment.
3006         * calls.c (expand_call): Update.
3007         (emit_library_call_value_1): Update.
3008         * except.c (set_nothrow_function_flags): Update.
3009         * cfgexpand.c (get_decl_align_unit): Update.
3010         (create_stack_guard): Update.
3011         (estimated_stack_frame_size): Update.
3012         (expand_used_vars): Update.
3013         (tree_expand_cfg): Free histogram earliers, init expansion variables.
3014         * explow.c (allocate_dynamic_stack_space): Update.
3015         * tree-ssa-live.c (remove_unused_locals): Update.
3016         * varasm.c (mark_constant_pool): Update.
3017         * tree-inline.c (remap_decls): Update.
3018         (initialize_cfun): Update.
3019         (declare_return_variable): Update.
3020         (inline_forbidden_p): Update.
3021         (expand_call_inline): Update.
3022         (declare_inline_vars): Update.
3023         (tree_function_versioning): Update.
3024         * tree-flow.h (value_histograms): New.
3025         (VALUE_HISTOGRAMS): New macro.
3026         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
3027         last_label_uid.
3028         * tree-cfg.c (set_bb_for_stmt): Update.
3029         (replace_by_duplicate_decl): Update.
3030         (move_block_to_fn): Update.
3031         (new_label_mapper): Update.
3032         (dump_function_to_file): Update.
3033         * ipa-struct-reorg.c (build_data_structure): Update.
3034         * cfgrtl.c (print_rtl_with_bb): Update.
3035         * reload1.c (reload): Update.
3036         (reload): Update.
3037         * config/i386/i386.c (setup_incoming_varargs_64,
3038         ix86_compute_frame_layout): Update.
3039         * config/arc/arc.c (arc_output_function_epilogue): Update.
3040
3041 2008-04-18  Marius Strobl <marius@FreeBSD.org>
3042
3043         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
3044         for FreeBSD as well.
3045         * gthr-posix95.h: Likewise.
3046
3047 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
3048
3049         PR rtl-optimization/35838
3050         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
3051         out the byte offset of the first subreg.
3052
3053 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
3054
3055         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
3056         to split_ti instead of three separate calls with single member arrays.
3057         (subti3 splitter): Ditto.
3058         (adddi3 splitter): Ditto with split_di.
3059         (subdi3 splitter): Ditto.
3060         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
3061         two separate calls with single member arrays.  Swap match_dup
3062         operands 1 and 2 to better fit into the array.
3063         (negdi2 splitter): Ditto with split_di.
3064         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
3065         two separate calls with single member arrays.  Swap match_dup operands
3066         6 and 7 to better fit into the array.
3067
3068 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
3069
3070         * config/i386/i386.c (sse_builtin_type): New.
3071         (bdesc_sse_args): Likewise.
3072         (bdesc_sse_3arg): Removed.
3073         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
3074         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
3075         IX86_BUILTIN_ROUNDPS.
3076         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
3077         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
3078         IX86_BUILTIN_ROUNDPS.
3079         (ix86_expand_sse_4_operands_builtin): Removed.
3080         (ix86_expand_sse_operands_builtin): New.
3081         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
3082         and CODE_FOR_sse4_1_roundps.
3083         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
3084         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
3085
3086 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
3087
3088         PR target/35907
3089         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
3090         regs before frame pop when needed.  If use_backchain_to_restore_sp
3091         then load backchain into a temp reg to restore vr and vrsave.  Add
3092         code to restore vr after frame pop if possible.
3093
3094 2008-04-17  Richard Guenther  <rguenther@suse.de>
3095
3096         * tree-vn.c (expressions_equal_p): Do not check type
3097         equality or compatibility before calling operand_equal_p.
3098         * fold-const.c (operand_equal_p): Check equivalence of
3099         integer constants before bailing out due to signedness or
3100         precision differences.
3101         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
3102         spurious differences in type qualification.  Ignore types
3103         for COMPONENT_REFs at all.
3104
3105 2008-04-17  Christian Bruel  <christian.bruel@st.com>
3106
3107         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
3108         msw_skip comparison.
3109         
3110 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
3111
3112         PR c/35739
3113         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
3114         reg type.
3115
3116         PR tree-optimization/35899
3117         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
3118         rather than TREE_OPERAND.
3119
3120 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
3121
3122         PR target/35944
3123         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
3124         temporary registers.  Change operand predicate to general_operand.
3125         (remainderxf3): Ditto.
3126
3127 2008-04-16  Richard Guenther  <rguenther@suse.de>
3128
3129         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
3130         * tree-affine.c (aff_combination_expand): Look through some
3131         conversions.
3132
3133 2008-04-15  Doug Kwan  <dougkwan@google.com>
3134
3135         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
3136         for hex printing.
3137         * tree-pretty-print.c (dump_generic_node): Ditto.
3138         * final.c (output_addr_const): Ditto.
3139         * dwarf2out.c (output_cfi): Ditto.
3140         * c-pretty-print.c (pp_c_integer_constant): Ditto.
3141         * print-rtl.c (print_rtx): Ditto.
3142         * print-tree.c (print_node_brief, print_node): Ditto.
3143         * c-common.c (match_case_to_enum_1): Ditto.
3144         * sched-vis.c (print_value): Ditto.
3145         * config/i386/i386.c (print_operand): Cast to long unsigned int
3146         for hex printing.
3147
3148 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
3149         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
3150         MS Windows VirtualProtect function.
3151
3152 2008-04-15  Jan Hubicka  <jh@suse.cz>
3153
3154         * gengtype.c (write_root): Param_is argument is OK.
3155         * expr.c (expand_expr_real_1): Update call of get_exception_*.
3156         * function.h: Include varray.h
3157         (rtl_eh): New stucture based on except.c one.
3158         (call_site_record): New forward declaration and vector type.
3159         * calls.c (emit_call_1): Do not call
3160         note_current_region_may_contain_throw.
3161         * except.c (eh_status): Remove cur_region, try_region since they are
3162         unused.
3163         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
3164         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
3165         sjlj_fc, sjlj_exit_after to rth_eh in function.h. 
3166         Remove call_site_data_used, call_site_data_size.
3167         Turn call_site_record into vector in function.h.
3168         (note_current_region_may_contain_throw): Remove.
3169         (get_exception_pointer, get_exception_filter): Do not take struct
3170         function argument; update.
3171         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
3172         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
3173         build_post_landing_pads, dw2_build_landing_pads,
3174         sjlj_assign_call_site_values, sjlj_mark_call_sites,
3175         sjlj_emit_function_enter, sjlj_emit_function_enter, 
3176         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
3177         sjlj_build_landing_pads, finish_eh_generation,
3178         remove_exception_handler_label, remove_eh_handler,
3179         maybe_remove_eh_handler, add_reachable_handler,
3180         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
3181         add_action_record, collect_one_action_chain, add_call_site,
3182         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
3183         sjlj_output_call_site_table, output_function_exception_table,
3184         * except.h (note_current_region_may_contain_throw): Remove
3185         (get_exception_pointer, get_exception_filter): Do not take struct
3186         function argument.
3187         * Makefile.in (GTFILES): Put varargs before struct function.
3188
3189 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
3190
3191         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
3192         punt for STRING_CST.
3193         (get_constraint_for): Deal with STRING_CST here instead.
3194
3195 2008-04-15  Richard Guenther  <rguenther@suse.de>
3196
3197         * tree-ssa-propagate.c (substitute_and_fold): Substitute
3198         statements in a basic-block with a backward walk.  Do not
3199         substitute into dead statements but instead remove those.
3200
3201 2008-04-15  Richard Guenther  <rguenther@suse.de>
3202
3203         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
3204         to zero, thus disable creation of SFTs.
3205
3206 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
3207
3208         * tree-predcom.c (suitable_reference_p): Return false if the
3209         reference can throw.
3210
3211 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
3212
3213         PR c/35751
3214         * c-decl.c (finish_decl): If extern or static var has variable
3215         size, set TREE_TYPE (decl) to error_mark_node.
3216
3217 2008-04-15  Rafael Espindola  <espindola@google.com>
3218
3219         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
3220         variable arg1.
3221
3222 2008-04-15  Richard Guenther  <rguenther@suse.de>
3223
3224         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
3225         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
3226         (visit_reference_op_load): Do walk vuse-vdef chains on
3227         vn_reference_lookup.
3228         (visit_reference_op_store): But do not here.
3229         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
3230         vn_reference_lookup.
3231         (vn_lookup_with_vuses): But do so here.
3232
3233 2008-04-14  Ian Lance Taylor  <iant@google.com>
3234
3235         * fold-const.c (fold_overflow_warning): Remove assertion.
3236
3237 2008-04-15  Ben Elliston  <bje@au.ibm.com>
3238
3239         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
3240         temp1 local variables.
3241
3242 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
3243
3244         PR target/35661
3245         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
3246         ".text.unlikely" section as executable.
3247
3248 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
3249
3250         * config/ia64/ia64.c (rtx_needs_barrier): Handle
3251         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
3252         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
3253         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
3254         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
3255         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
3256         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
3257
3258 2008-04-14  Ian Lance Taylor  <iant@google.com>
3259
3260         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
3261         * fold-const.c (fold_comparison): If appropriate, test
3262         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
3263         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
3264         reassociating a pointer type.
3265         * doc/invoke.texi (Optimize Options): Document that
3266         -fstrict-overflow applies to pointer wraparound.
3267
3268 2008-04-13  Jan Hubicka  <jh@suse.cz>
3269
3270         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
3271
3272 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
3273
3274         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
3275         we are going to "save the world".
3276
3277 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
3278
3279         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
3280         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
3281         operand 0 constraint, not "=".
3282
3283 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
3284
3285         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
3286
3287 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
3288
3289         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
3290         of size of positions_needed * CHAR_BIT.
3291
3292 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
3293
3294         PR middle-end/35897
3295         * dse.c (store_info): Change positions_needed to unsigned
3296         HOST_WIDE_INT.
3297         (lowpart_bitmask): New.
3298         (record_store): Cast to unsigned HOST_WIDE_INT for
3299         positions_needed.  Assert width <= size of positions_needed *
3300         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
3301         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
3302         lowpart_bitmask to set mask.
3303
3304 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
3305
3306         * config/bfin/constraints.md: New file.
3307         * config/bfin/bfin.md: Include it.
3308         (adddi3): Use satisfies_constraint functions instead of the old macros.
3309         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
3310         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
3311         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
3312         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
3313         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
3314         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
3315         EXTRA_CONSTRAINT): Delete.
3316         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
3317         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
3318         of the old macros.
3319         * config/bfin/bfin.c: Include "tm-constrs.h".
3320         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
3321         Use satisfies_constraint functions instead of the old macros.
3322         * doc/md.texi (Blackfin Constraints): Update file name reference.
3323
3324 2008-04-11  Richard Guenther  <rguenther@suse.de>
3325
3326         PR tree-optimization/35869
3327         * tree-vrp.c (execute_vrp): Move switch statement update after
3328         jump threading.  Schedule another cfg cleanup run.
3329
3330 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
3331
3332         PR c/35744
3333         * attribs.c (decl_attributes): Return early on errorneous node.
3334
3335 2008-04-10  Oleg Ryjkov  <olegr@google.com>
3336
3337         * tree.h (struct tree_base): Added a new flag default_def_flag.
3338         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
3339
3340 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3341
3342         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
3343
3344 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3345
3346         PR target/35768
3347         * pa.md: Define mode iterator P.  Define mode attribute dwc.
3348         (dcacheflush): Update pattern to use iterator P and attribute dwc.
3349         (icacheflush): Likewise.
3350         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
3351         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
3352
3353 2008-04-11  Ben Elliston  <bje@au.ibm.com>
3354
3355         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
3356
3357 2008-04-10  Rafael Espindola  <espindola@google.com>
3358
3359         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
3360         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
3361         (extract_range_from_expr): The same.
3362
3363 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
3364
3365         * config/mips/mips.md (GPR2): New mode iterator.
3366         (seq): Add comment.
3367         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
3368         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
3369         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
3370         Rewrite these to take two modes, the mode of comparison and the
3371         mode of the destination.
3372         * config/mips/mips.c (mips_expand_scc): Instead of having
3373         paradoxical subreg as destination, expand "narrowing" scc if mode
3374         of comparison is SI and target is requested in DI mode.
3375         (mips_emit_int_order_test): Update comment.  Make mode of
3376         comparison match CMP0 rather than TARGET.  When creating inverse
3377         target use mode of TARGET.
3378
3379 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
3380
3381         * gcov-dump.c (tag_summary): Only print summaries for the first
3382         GCOV_COUNTERS_SUMMABLE counters.
3383
3384 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
3385
3386         * config/i386/i386.md (absneg): New code iterator.
3387         (absnegprefix): New code attribute.
3388         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
3389         patterns using absneg code iterator.
3390         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
3391         using absneg code iterator.
3392         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
3393         *neg<mode>2 patterns using absneg code iterator.
3394         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
3395         *negextendsfdf2 patterns using absneg code iterator.
3396         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
3397         *negextendsfxf2 patterns using absneg code iterator.
3398         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
3399         *negextendsfdf2 patterns using absneg code iterator.
3400         * config/i386/sse.md (<code><mode>2): Macroize expander from
3401         abs<mode>2 and neg<mode>2 patterns using absneg code iterator. 
3402
3403 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
3404
3405         * config/s390/s390.h: Remove the remains of the recent search
3406         & replace action of current_function_outgoing_args_size.
3407
3408 2008-04-10  Ira Rosen  <irar@il.ibm.com>
3409
3410         PR tree-optimization/35821
3411         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
3412         NEW_STMT_LIST is not NULL.
3413
3414 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
3415
3416         PR libstdc++/35597
3417         * toplev.c (process_options): Remove -ffunction-sections debugging
3418         warning.
3419
3420 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
3421
3422         PR middle-end/PR28690
3423         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
3424         than gen_rtx_fmt_ee to perform more canonicalizations.
3425
3426 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3427
3428         PR driver/35665
3429         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
3430
3431 2008-04-09  Richard Guenther  <rguenther@suse.de>
3432
3433         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
3434         (dump_function_to_file): Dump function arguments with types.
3435
3436 2008-04-08  Richard Guenther  <rguenther@suse.de>
3437
3438         * fold-const.c (fold_widened_comparison): Do not allow
3439         sign-changes that change the result.
3440
3441 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
3442
3443         PR target/35839
3444         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
3445         kinds of indirect references.
3446
3447 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
3448
3449         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
3450         GNU Fortran language string.
3451
3452 2008-04-08  Rafael Espindola  <espindola@google.com>
3453
3454         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
3455         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
3456         * tree.h (tree_call_nonnegative_warnv_p): New.
3457
3458 2008-04-08  Jan Hubicka  <jh@suse.cz>
3459
3460         * function.c (free_after_compilation): Clear out regno_reg_rtx
3461         pointer.
3462
3463 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
3464
3465         Revert
3466         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
3467
3468         PR middle-end/PR28690
3469         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
3470         same precedence as REG_POINTER and MEM_POINTER operands.
3471
3472 2008-04-08  Richard Guenther  <rguenther@suse.de>
3473
3474         PR middle-end/35834
3475         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
3476         for adding index to base.
3477
3478 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
3479
3480         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
3481         (MINGW_ENABLE_EXECUTE_STACK): New.
3482         (IN_LIBGCC2): For libgcc include windows.h file for
3483         function declarations.
3484
3485 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
3486
3487         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
3488         and tem2 if tem1 is not a REG or MULT.
3489
3490 2008-04-08  Jan Hubicka  <jh@suse.cz>
3491
3492         * function.h (incomming_args): Break out of struct function.
3493         (function_subsections): Break out of struct function.
3494         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
3495         return_rtx and hard_reg_initial_vals from struct function.
3496         Kill inl_max_label_num.
3497         (current_function_pops_args, current_function_args_info,
3498         current_function_args_size, current_function_args_size,
3499         current_function_pretend_args_size,
3500         current_function_outgoing_args_size,
3501         current_function_internal_arg_pointer, current_function_return_rtx):
3502         Kill compatibility accestor macros.
3503         * builtins.c (expand_builtin_apply_args_1): Update.
3504         (expand_builtin_next_arg): Update.
3505         * df-scan.c (df_get_call_refs): Update.
3506         * dbxout.c (dbxout_function_end): Update.
3507         * dwarf2out.c (dwarf2out_switch_text_section): Update.
3508         (output_line_info): Update.
3509         (secname_for_decl): Update.
3510         (dwarf2out_var_location): Update.
3511         * function.c (free_after_compilation): Update.
3512         (assign_parm_find_stack_rtl): Update.
3513         (assign_parms): Update.
3514         (expand_dummy_function_end): Update.
3515         (expand_function_end): Update.
3516         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
3517         (expand_call): Update.
3518         (emit_library_call_value_1): Update.
3519         (store_one_arg): Update.
3520         * varasm.c (initialize_cold_section_name): Update.
3521         (unlikely_text_section): Update.
3522         (unlikely_text_section_p): Update.
3523         (assemble_start_function): Update.
3524         (assemble_end_function): Update.
3525         (default_section_type_flags): Update.
3526         (switch_to_section): Update.
3527         * integrate.c (set_decl_abstract_flags): Update.
3528         (get_hard_reg_initial_val): Update.
3529         (has_hard_reg_initial_val): Update.
3530         (allocate_initial_values): Update.
3531         * resource.c (init_resource_info): Update.
3532         * config/alpha/alpha.c (NUM_ARGS): Update.
3533         (direct_return): Update.
3534         (alpha_va_start): Update.
3535         (alpha_sa_size): Update.
3536         (alpha_initial_elimination_offset): Update.
3537         (alpha_expand_prologue): Update.
3538         (alpha_start_function): Update.
3539         (alpha_expand_epilogue): Update.
3540         (unicosmk_initial_elimination_offset):
3541         * config/alpha/alpha.md (call expander): Update.
3542         * config/s390/s390.c (s390_register_info): Update.
3543         (s390_register_info): Update.
3544         (s390_frame_info): Update.
3545         (s390_initial_elimination_offset): Update.
3546         (s390_build_builtin_va_list): Update.
3547         (s390_va_start): Update.
3548         * config/spu/spu.c (direct_return): Update.
3549         (spu_expand_prologue): Update.
3550         (spu_initial_elimination_offset): Update.
3551         (spu_build_builtin_va_list): Update.
3552         (spu_va_start): Update.
3553         * config/sparc/sparc.c (sparc_init_modes): Update.
3554         (sparc_compute_frame_size): Update.
3555         (function_value): Update.
3556         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
3557         * config/i386/i386.md (return expander): Update.
3558         * config/i386/i386.c (ix86_va_start): Update.
3559         (ix86_can_use_return_insn_p): Update.
3560         (ix86_compute_frame_layout): Update.
3561         (ix86_expand_epilogue): Update.
3562         * config/sh/sh.c (output_stack_adjust): Update.
3563         (calc_live_regs): Update.
3564         (sh_expand_prologue): Update.
3565         (sh_builtin_saveregs): Update.
3566         (sh_va_start): Update.
3567         (initial_elimination_offset): Update.
3568         (sh_allocate_initial_value): Update.
3569         (sh_function_ok_for_sibcall): Update.
3570         (sh_get_pr_initial_val): Update.
3571         * config/sh/sh.md (return expander): Update.
3572         * config/avr/avr.c (frame_pointer_required_p): UPdate.
3573         * config/crx/crx.c (crx_compute_frame): UPdate.
3574         (crx_initial_elimination_offset): UPdate.
3575         * config/xtensa/xtensa.c (compute_frame_size): Update
3576         (xtensa_builtin_saveregs): Update.
3577         (xtensa_va_start): Update.
3578         (order_regs_for_local_alloc): Update.
3579         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
3580         (xstormy16_expand_builtin_va_start): Update.
3581         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
3582         * config/m68hc11/m68hc11.md (return expanders): Update.
3583         * config/m68hc11/m68hc11.c (expand_prologue): Update.
3584         (expand_epilogue): Update.
3585         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
3586         (cris_simple_epilogue): Update.
3587         (cris_expand_prologue): Update.
3588         (cris_expand_epilogue): Update.
3589         * config/iq2000/iq2000.c (iq2000_va_start): Update.
3590         (compute_frame_size): Update.
3591         * config/mt/mt.c (mt_compute_frame_size): Update.
3592         * config/mn10300/mn10300.c (expand_prologue): Update.
3593         (expand_epilogue): Update.
3594         (initial_offset): Update.
3595         (mn10300_builtin_saveregs):
3596         * config/mn10300/mn10300.md (return expander): Update.
3597         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
3598         (ia64_initial_elimination_offset): Update.
3599         (ia64_initial_elimination_offset): Update.
3600         (ia64_expand_prologue): Update.
3601         * config/m68k/m68k.md (return expander): Update.
3602         * config/rs6000/rs6000.c (rs6000_va_start): Update.
3603         (rs6000_stack_info): Update.
3604         * config/mcore/mcore.c (layout_mcore_frame): Update.
3605         (mcore_expand_prolog): Update.
3606         * config/arc/arc.c (arc_compute_frame_size): Update.
3607         * config/score/score3.c (score3_compute_frame_size): Update.
3608         * config/score/score7.c (score7_compute_frame_size): Update.
3609         * config/arm/arm.c (use_return_insn): Update.
3610         (thumb_find_work_register): Update.
3611         (arm_compute_save_reg_mask): Update.
3612         (arm_output_function_prologue): Update.
3613         (arm_output_epilogue): Update.
3614         (arm_size_return_regs): Update.
3615         (arm_get_frame_offsets): Update.
3616         (arm_expand_prologue): Update.
3617         (thumb_exit): Update.
3618         (thumb_unexpanded_epilogue): Update.
3619         (thumb1_output_function_prologue): Update.
3620         * config/pa/pa.md (return expander): Update.
3621         * config/pa/pa.c (compute_frame_size): Update.
3622         (hppa_builtin_saveregs): Update.
3623         * config/mips/mips.c (mips_va_start): Update.
3624         (mips16_build_function_stub): Update.
3625         (mips_compute_frame_info): Update.
3626         (mips_restore_gp): Update.
3627         (mips_output_function_prologue): Update.
3628         (mips_expand_prologue): Update.
3629         * config/v850/v850.c (compute_frame_size): Update.
3630         (expand_prologue): * config/mmix/mmix.c (along): update.
3631         (mmix_initial_elimination_offset): update.
3632         (mmix_reorg): update.
3633         (mmix_use_simple_return): update.
3634         (mmix_expand_prologue): update.
3635         (mmix_expand_epilogue): Update.
3636         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
3637         (emit_link_insn): Update.
3638
3639 2008-04-08  Anatoly Sokolov <aesok@post.ru>
3640
3641         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define 
3642         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL 
3643         instructions.
3644         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for 
3645         atmega103 device.
3646
3647 2008-04-07  Jan Hubicka  <jh@suse.cz>
3648
3649         * function.h (rtl): Rename to x_rtl.
3650         (crtl): New define.
3651         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
3652         frame_offset, stack_check_probe_note, arg_pointer_save_area,
3653         used_temp_slots avail_temp_slots, temp_slot_level,
3654         nonlocal_goto_handler_labels): Update accesstors.
3655         (rtl): New global variable.
3656         (struct function): Move some fileds to rtl_data.
3657         (get_arg_pointer_save_area): Update prototype.
3658         * builtins.c (expand_builtin_setjmp_receiver): Update call of
3659         get_arg_pointer_save_area.
3660         * expr.c (init_expr): Update
3661         * function.c (get_frame_size): Update
3662         (assign_stack_local): Update
3663         (expand_function_end): Update.
3664         (get_art_pointer_save_area): Update
3665         * function.h 
3666         * emit-rtl.c (rtl): Declare.
3667         (regno_reg_rtx): Declare.
3668         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
3669         Update.
3670         (gen_reg_rtx): Update.
3671         * varasm.c (n_deferred_constatns): Update accestor.
3672         (init_varasm_status): Do not allocate varasm_status.
3673         (force_const_mem, get_pool_size, output_constant_pool): Update.
3674         * stmt.c (force_label_rtx): Do not use x_ prefixes.
3675         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
3676         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
3677         * sparc/sparc.h (INIT_EXPANDERS): Update.
3678         * ia64/ia64.h (INIT_EXPANDERS): Update.
3679
3680 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
3681
3682         * reload.c (push_secondary_reload): Add missing break to for loop.
3683
3684 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
3685
3686         PR middle-end/PR28690
3687         * rtlanal.c: Update copyright years.
3688         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
3689         as REG_POINTER and MEM_POINTER operands.
3690         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
3691         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
3692         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
3693         * gcse.c: Update copyright years.
3694         (pre_delete): Call gen_reg_rtx_and_attrs.
3695         (hoist_code): Likewise.
3696         (build_store_vectors): Likewise.
3697         (delete_store): Likewise.
3698         * loop-invariant.c (move_invariant_reg): Likewise.
3699         Update copyright years.
3700
3701 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
3702
3703         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
3704         control string instead of quoted.
3705
3706 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
3707
3708         * doc/rtl.texi: Rewrite of subreg section.
3709
3710 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
3711
3712         PR/35842
3713         * config/i386/i386.c (legitimize_pic_address): Add treating
3714         of dllimport SYM_REF's.
3715         (legitimize_dllimport_symbol): Add prototype.
3716
3717 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
3718
3719         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
3720         reference in constructor with non self-referential type.
3721
3722 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
3723
3724         Removal of Return with Depressed Stack Pointer support
3725         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
3726         (ECF_SP_DEPRESSED): Likewise.
3727         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
3728         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
3729         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
3730         (expand_call): Do not test ECF_SP_DEPRESSED.
3731         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
3732         * function.c (keep_stack_depressed): Delete.
3733         (handle_epilogue_set): Likewise.
3734         (update_epilogue_consts): Likewise.
3735         (emit_equiv_load): Likewise.
3736         (thread_prologue_and_epilogue_insns): Remove support for Return with
3737         Depressed Stack Pointer.
3738         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
3739
3740 2008-04-06  Richard Guenther  <rguenther@suse.de>
3741
3742         PR tree-optimization/35400
3743         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
3744         information from SSA_NAMEs.
3745
3746 2008-04-06  Anatoly Sokolov <aesok@post.ru>
3747
3748         * config/avr/avr.h (avr_mega_p): Remove declaration.
3749         (AVR_MEGA): Remove macro.
3750         * config/avr/avr.c (avr_mega_p): Remove variable.
3751         (avr_override_options): Remove inicializion of avr_mega_p.
3752         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
3753         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
3754         (avr_jump_mode): (Ditto.).
3755         (avr_output_progmem_section_asm_op): (Ditto.).
3756         (avr_asm_init_sections): (Ditto.).
3757         (avr_asm_init_sections): (Ditto.).
3758         (avr_rtx_costs): (Ditto.).
3759         * config/avr/avr.md: (Ditto.).
3760         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
3761         '__AVR_MEGA__'.
3762
3763 2008-04-06  Richard Guenther  <rguenther@suse.de>
3764
3765         PR tree-optimization/35842
3766         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
3767         is_gimple_invariant_address.
3768
3769 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
3770
3771         * gcc.c (default_compilers): Sync Fortran extensions list with
3772         that in fortran/lang-specs.h.
3773         * doc/invoke.texi: Likewise.
3774         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
3775         * dwarf2out.c (gen_compile_unit_die): Likewise.
3776
3777 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
3778
3779         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
3780
3781 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
3782
3783         PR target/12329
3784         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
3785         attribute is used for nested functions.
3786
3787 2008-04-05  Jan Hubicka  <jh@suse.cz>
3788
3789         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
3790
3791         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
3792         letter argument.
3793         (dump_files): Update.
3794         (enable_rtl_dump_file): Do not accept letter argument.
3795         * tree-pass.h (dump_file_info): Remove letter argument.
3796         * toplev.c (decode_d_option): Update -da handling.
3797         * toplev.h (enable_rtl_dump_file): Update prototype.
3798         * passes.c (register_one_dump_file): Do not accept IPA argument; work
3799         it out based on pass type.
3800         (register_dump_files_1): Likewise.
3801         (init_optimization_passes): Update register_one_dump_file calls.
3802         (execute_one_pass): Sanity check that IPA passes are called at IPA
3803         level and RTL passes at RTL level.
3804         (execute_pass_list): IPA pass can not be after or subpass of
3805         GIMPLE/RTL pass.
3806         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
3807         disallov RTL subpasses of IPA subpasses.
3808
3809 2008-04-05  Ben Elliston  <bje@au.ibm.com>
3810
3811         * tree-cfg.c (need_fake_edge_p): Return false for calls to
3812         builtins that return exactly once and do not throw. Cache call to
3813         call_expr_flags.
3814
3815 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
3816
3817         PR rtl-optimization/34916
3818         PR middle-end/35519
3819         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
3820         between instruction pairs.
3821
3822 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
3823
3824         * doc/invoke.texi: Document -mbitops for SH.
3825         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
3826         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
3827         * config/sh/sh.c (print_operand): Add %t operand code.
3828         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
3829         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
3830         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
3831         (extendqihi2): Likewise.
3832         (movqi_i): Likewise.
3833         (insv): Use bset, bclr and bst instructions for SH2A if possible.
3834         (extv): Use bld instruction for SH2A if possible.
3835         (extzv): Likewise.
3836         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
3837         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
3838         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
3839         (bset.b, bclr.b): Define peepholes.
3840         * config/sh/sh.opt (mbitops): New option.
3841
3842 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
3843
3844         PR target/35620
3845         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
3846         and view convert expression.
3847
3848 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
3849
3850         PR target/35364
3851         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
3852
3853 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
3854
3855         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
3856
3857         * config/i386/cpuid.h (bit_AES): New.
3858         (bit_PCLMUL): Likewise.
3859
3860         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
3861         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
3862         SSE2 if AES or PCLMUL is enabled.
3863         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
3864         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
3865         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
3866         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
3867         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
3868         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
3869         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
3870         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
3871         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
3872         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
3873         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
3874         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
3875         __builtin_ia32_aeskeygenassist128 and
3876         __builtin_ia32_pclmulqdq128.
3877         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
3878         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
3879         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
3880
3881         * config/i386/i386.h (TARGET_AES): New.
3882         (TARGET_PCLMUL): Likewise.
3883         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
3884
3885         * config/i386/i386.md (UNSPEC_AESENC): New.
3886         (UNSPEC_AESENCLAST): Likewise.
3887         (UNSPEC_AESDEC): Likewise.
3888         (UNSPEC_AESDECLAST): Likewise.
3889         (UNSPEC_AESIMC): Likewise.
3890         (UNSPEC_AESKEYGENASSIST): Likewise.
3891         (UNSPEC_PCLMUL): Likewise.
3892
3893         * config/i386/i386.opt (maes): New.
3894         (mpclmul): Likewise.
3895
3896         * config/i386/sse.md (aesenc): New pattern.
3897         (aesenclast): Likewise.
3898         (aesdec): Likewise.
3899         (aesdeclast): Likewise.
3900         (aesimc): Likewise.
3901         (aeskeygenassist): Likewise.
3902         (pclmulqdq): Likewise.
3903
3904         * config/i386/wmmintrin.h: New.
3905
3906         * doc/extend.texi: Document AES and PCLMUL built-in function.
3907
3908         * doc/invoke.texi: Document -maes and -mpclmul.
3909
3910 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
3911
3912         * function.c (free_after_parsing): Replace with
3913         cxx_push_function_context from C++ front-end.
3914         (allocate_struct_function): Don't call langhook.
3915         * langhooks.h (struct lang_hooks_for_functions): Delete.
3916         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
3917         member "function".
3918         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
3919         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
3920         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
3921         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
3922         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
3923         remove LANG_HOOKS_FUNCTION_INITIALIZER.
3924         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
3925
3926         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
3927         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
3928         
3929 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
3930
3931         PR c/35440
3932         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
3933         for all types.
3934
3935 2008-04-04  Richard Guenther  <rguenther@suse.de>
3936
3937         PR middle-end/35823
3938         * fold-const.c (optimize_minmax_comparison): Use the correct
3939         type for the constant in the simplified comparison.
3940
3941 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
3942
3943         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
3944         Pass L2 size as "--param l2-cache-size" to the compiler.
3945         (decode_l2_cache): New function to decode L2 cache parameters using
3946         0x8000006 extended cpuid function.
3947         (detect_caches_amd): Determine parameters of L2 cache using
3948         decode_l2_caches function.
3949         (decode_caches_intel): Decode L2 cache parameters.
3950         (detect_caches_intel): Determine L2 cache parameters using
3951         decode_caches_intel and decode_l2_caches functions.
3952
3953 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
3954
3955         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
3956         secondary input reload for subword loads from the constant pool.
3957
3958 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
3959
3960         PR target/35713
3961         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
3962           constants of the appropriate size for runtime calculations.
3963
3964         PR c/35712
3965         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
3966           decimal-float literal constant zero.
3967
3968 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
3969
3970         PR c/35738
3971         * c-parser.c (c_parser_omp_atomic): Call
3972         default_function_array_conversion on the RHS.
3973
3974         PR middle-end/35818
3975         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
3976         call is_variable_sized if decl has incomplete type.
3977
3978 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
3979
3980         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
3981
3982 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
3983
3984         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
3985         iterators.
3986         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
3987         (sgt<u>): Merge sgt and sgtu into new expander.
3988         (sgt, sgtu): Remove expanders.
3989         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
3990         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
3991         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
3992         *sgtu_<mode>_mips16 into new pattern.
3993         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
3994         (sge<u>): Merge sge and sgeu into new expander.
3995         (sge, sgeu): Remove expanders.
3996         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
3997         new pattern.
3998         (*sge_<mode>, second *sge_<mode>): Remove patterns.
3999         (slt<u>): Merge slt and sltu into new expander.
4000         (slt, sltu): Remove expanders.
4001         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
4002         (*slt_<mode>, *sltu_<mode>): Remove patterns.
4003         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
4004         *sltu_<mode>_mips16 into new pattern.
4005         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
4006         (sle<u>): Merge sle and sleu into new expander.
4007         (sle, sleu): Remove expanders.
4008         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
4009         (*sle_<mode>, *sleu_<mode>): Remove patterns.
4010         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
4011         *sleu_<mode>_mips16 into new pattern.
4012         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
4013
4014 2008-04-03  Jan Hubicka  <jh@suse.cz>
4015
4016         PR tree-optimization/35795
4017         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
4018         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
4019         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
4020         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
4021         * score/score3.c (score3_output_mi_thunk): Likewise.
4022         * score/score7.c (score7_output_mi_thunk): Likewise.
4023         * mips/mips.c (mips_output_mi_thunk): Likewise.
4024
4025 2008-04-03  Richard Guenther  <rguenther@suse.de>
4026
4027         * tree-vrp.c (extract_range_from_unary_expr): Handle all
4028         conversions.  Simplify code.
4029
4030 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4031
4032         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
4033
4034 2008-04-03  Tom Tromey  <tromey@redhat.com>
4035             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4036
4037         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
4038         * config/bfin/t-bfin-linux (generated_files): Add
4039         linux-sysroot-suffix.h.
4040         * doc/install.texi (Prerequisites): Require make 3.80.
4041         * doc/sourcebuild.texi (Front End Directory): Document new
4042         variable.
4043         * Makefile.in (generated_files): New variable.
4044         (ALL_HOST_OBJS): New variable.
4045         ($(ALL_HOST_OBJS)): New target.
4046
4047 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
4048
4049         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
4050         (remap_block): Call id->transform_lang_insert_block instead
4051         of langhook.
4052         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
4053         Set id.transform_lang_insert_block to NULL.
4054         (clone_body): Move to cp/optimize.c
4055         * tree-inline.h (struct copy_body_data): Change
4056         transform_lang_insert_block to function pointer.
4057         (copy_generic_body, copy_decl_no_change): Export.
4058         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
4059         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
4060         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
4061
4062         * c-tree.h (insert_block): Kill.
4063         * c-decl.c (insert_block): Kill.
4064
4065 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
4066
4067         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
4068         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
4069         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
4070         argument.
4071         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
4072         argument, call {push,pop}_function_context from here.
4073         * c-parser.c: Use c_{push,pop}_function_context.
4074
4075         * function.c (push_function_context_to): Move meat ...
4076         (push_function_context): ... here.  Simplify.
4077         * function.c (pop_function_context_from): Move meat ...
4078         (pop_function_context): ... here.  Simplify.
4079         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
4080         leave_nested).
4081         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
4082         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
4083         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
4084         * tree.h (push_function_context_to, pop_function_context_from): Remove.
4085
4086 2008-04-03  Ben Elliston  <bje@au.ibm.com>
4087
4088         * expmed.c (extract_force_align_mem_bit_field): Remove.
4089
4090 2008-04-03  Richard Guenther  <rguenther@suse.de>
4091
4092         PR middle-end/35800
4093         * expr.h (try_casesi): Adjust prototype.
4094         * expr.c (try_casesi): Take fallback label as extra parameter.
4095         Use that for gen_casesi if default_label is NULL.
4096         * stmt.c (expand_case): Pass fallback label to try_casesi,
4097         make sure to fill gaps with a fallback label if default_label
4098         is not present.
4099
4100 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
4101
4102         PR target/35801
4103         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
4104
4105 2008-04-03  Ben Elliston  <bje@au.ibm.com>
4106
4107         * expmed.c (extract_split_bit_field): Remove if (0) code.
4108         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
4109         (do_ds_constraint): Likewise.
4110
4111 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
4112
4113         * doc/cppopts.texi (-dU): Document.
4114         * c-common.h (flag_dump_macros): Update comment.
4115         * c-opts.c (handle_OPT_d): Handle -dU.
4116         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
4117         dump_queued_macros, cb_used_define, cb_used_undef): New.
4118         (init_pp_output): Handle -dU.
4119         (cb_line_change): Call dump_queued_macros.
4120         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
4121
4122 2008-04-02  Anatoly Sokolov <aesok@post.ru>
4123
4124         * config/avr/predicates.md (io_address_operand): New predicate. 
4125         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
4126         * config/avr/avr.c (avr_io_address_p): Remove function.
4127         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
4128         'avr_io_address_p' function.
4129         (out_movhi_r_mr): (Ditto.).
4130         (out_movqi_mr_r): (Ditto.).
4131         (out_movhi_mr_r): (Ditto.).
4132         (avr_address_cost): (Ditto.).
4133
4134 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
4135
4136         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
4137         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
4138         in 32bit mode when XMM registers are available to avoid store
4139         forwarding stalls.
4140         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
4141         corresponding post-reload splitters.
4142
4143 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
4144
4145         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
4146         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
4147         __builtin_ia32_roundss.
4148         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
4149         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
4150         __builtin_ia32_roundss.
4151         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
4152         IX86_BUILTIN_SHUFPD here.
4153
4154 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
4155
4156         * config/i386/i386.md (plogic): New.
4157         (plogicprefix): Likewise.
4158
4159         * config/i386/mmx.md (mmx_<code><mode>3): New.
4160         (mmx_and<mode>3): Removed.
4161         (mmx_ior<mode>3): Likewise.
4162         (mmx_xor<mode>3): Likewise.
4163
4164         * config/i386/sse.md (<code><mode>3): New.
4165         (*<code><mode>3): Likewise.
4166         (*<code><mode>3): Likewise.
4167         (<code><mode>3): Likewise.
4168         (*sse_<code><mode>3): Likewise.
4169         (*sse2_<code><mode>3): Likewise.
4170         (<code>tf3): Likewise.
4171         (*<code>tf3): Likewise.
4172         (and<mode>3): Likewise.
4173         (*and<mode>3): Likewise.
4174         (ior<mode>3): Removed.
4175         (*ior<mode>3): Likewise.
4176         (xor<mode>3): Likewise.
4177         (*xor<mode>3): Likewise.
4178         (*and<mode>3): Likewise.
4179         (*ior<mode>3): Likewise.
4180         (*xor<mode>3): Likewise.
4181         (and<mode>3): Likewise.
4182         (*sse_and<mode>3): Likewise.
4183         (*sse2_and<mode>3): Likewise.
4184         (andtf3): Likewise.
4185         (*andtf3): Likewise.
4186         (ior<mode>3): Likewise.
4187         (*sse_ior<mode>3): Likewise.
4188         (*sse2_ior<mode>3): Likewise.
4189         (iortf3): Likewise.
4190         (*iortf3): Likewise.
4191         (xor<mode>3): Likewise.
4192         (*sse_xor<mode>3): Likewise.
4193         (*sse2_xor<mode>3): Likewise.
4194         (xortf3): Likewise.
4195         (*xortf3): Likewise.
4196
4197 2008-04-02  Richard Guenther  <rguenther@suse.de>
4198
4199         PR tree-optimization/14495
4200         PR tree-optimization/34793
4201         * tree-vrp.c (struct switch_update): New structure.
4202         (to_remove_edges, to_update_switch_stmts): New VECs.
4203         (simplify_switch_using_ranges): New function.  Remove not taken
4204         case labels and edges.
4205         (simplify_stmt_using_ranges): Call it.
4206         (identify_jump_threads): Mark edges we have queued for removal
4207         so we don't thread them.
4208         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
4209         case label vector.
4210         * tree-cfg.c (group_case_labels): Deal with missing default label.
4211         (tree_verify_flow_info): Allow missing default label.
4212         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
4213         (emit_case_nodes): Likewise.
4214         (expand_case): Do not rely on the default label to be present.
4215         * expr.c (try_casesi): Deal with NULL default_label.
4216         (do_tablejump): Likewise.
4217
4218 2008-04-02  Richard Guenther  <rguenther@suse.de>
4219
4220         PR tree-optimization/14495
4221         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
4222         SWITCH_EXPR here ...
4223         (vrp_visit_switch_stmt): ... but here (new function).
4224         (find_case_label_index): New helper function.
4225         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
4226
4227 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4228
4229         * fwprop.c: Fix ISO-C99ism.
4230
4231 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4232
4233         PR bootstrap/35752
4234         * Makefile.in (objdir): Set it here.
4235         * configure.ac: Not here.  Find dynamic linker characteristics.
4236         * exec-tool.in: Use them.
4237         * aclocal.m4: Regenerate.
4238         * configure: Regenerate.
4239
4240 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4241
4242         * expr.c (expand_var): Delete it.
4243         * expr.h (expand_var): Delete prototype.
4244         * function.c (expand_function_start): Use expand_decl instead.
4245         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
4246         langhook.
4247
4248 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
4249
4250         PR rtl-optimization/35542
4251         * fwprop.c (forward_propagate_and_simplify): Replace
4252         loc_reg_mentioned_in_p with reg_mentioned_p.
4253
4254 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4255
4256         PR rtl-optimization/35281
4257         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
4258         (propagate_rtx_1): Handle PR_HANDLE_MEM.
4259         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
4260         (varying_mem_p): Move above propagate_rtx.
4261         (all_uses_available_at): Do not check MEMs.
4262
4263 2008-04-02  Rafael Espindola  <espindola@google.com>
4264
4265         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
4266         (register_edge_assert_for_2): Split the cond argument.
4267         (register_edge_assert_for_1): Adjust for the change in
4268         register_edge_assert_for_2.
4269         (register_edge_assert_for): Split the cond argument.
4270         (find_switch_asserts): Adjust for the change in
4271         register_edge_assert_for.
4272
4273 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
4274
4275         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
4276         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
4277         offsets for 64-bit mingw.
4278         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
4279         abi for x86_64-pc-mingw.
4280
4281 2008-04-02  Richard Guenther  <rguenther@suse.de>
4282
4283         * tree-vrp.c (extract_range_from_assert): Make sure to not
4284         produce range min/max with TREE_OVERFOW set.
4285         If merging a anti-range and a range keep the anti-range if
4286         the range covers all values of the type.
4287         (register_edge_assert_for_2): Only allow sign-changing
4288         conversions in detecting canonical range checks.  Also
4289         register an assert for the unsigned name if useful.
4290
4291         PR tree-optimization/35787
4292         * tree-vrp.c (vrp_val_max): New function.
4293         (vrp_val_min): Likewise.
4294         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
4295         (vrp_val_is_min): Likewise.
4296         (supports_overflow_infinity): Use vrp_val_{min,max}.
4297         (negative_overflow_infinity): Likewise.
4298         (positive_overflow_infinity): Likewise.
4299         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
4300         (is_positive_overflow_infinity): Likewise.
4301         (is_overflow_infinity): Likewise.
4302         (avoid_overflow_infinity): Use vrp_val_{min,max} and
4303         vrp_val_is_{min,max}.
4304         (set_and_canonicalize_value_range): Canonicalize anti-ranges
4305         to ranges if possible.  Avoid empty ranges.
4306
4307 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4308
4309         PR middle-end/35705
4310         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
4311         the expression is a function address.
4312
4313 2008-04-01  George Helffrich  <george@gcc.gnu.org>
4314
4315         PR fortran/35154, fortran/23057
4316         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
4317         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
4318         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
4319         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
4320         in common.
4321         (dbxout_syms): Check for COMMON-based symbol and wrap in
4322         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
4323         in bracket for efficiency.
4324
4325         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
4326         using DW_TAG_common_block + member offset.
4327         (add_pubname_string): New function.
4328         (dw_expand_expr): New function to find block name and offset for
4329         COMMON var.
4330         (common_check): New function to check whether symbol in Fortran COMMON.
4331         (gen_variable_die): If COMMON, use DW_TAG_common_block.
4332
4333 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
4334
4335         PR c/35436
4336         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
4337
4338 2008-04-02  Ben Elliston  <bje@au.ibm.com>
4339
4340         * config/v850/v850.md (casesi): Remove if (0) code.
4341         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
4342         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
4343
4344 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
4345
4346         * config/i386/i386.md (rex64suffix): New mode attribute.
4347         (floathi<mode>2): Disable expander for SSE math.
4348         (*floathi<mode>2_1): New insn insn_and_split pattern.
4349         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
4350         corresponding post-reload splitters.
4351         (*floathi<mode>2_i387): New macroized insn pattern.
4352         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
4353         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
4354         insn_and_split pattern.
4355         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
4356         New macroized instruction patterns and corresponding post-reload
4357         splitters.
4358         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
4359         and corresponding post-reload splitters.
4360         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
4361         New macroized instruction patterns.
4362         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
4363         macroized instruction patterns and corresponding post-reload splitters.
4364         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
4365         corresponding post-reload splitters.
4366         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
4367         New macroized instruction patterns.
4368         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
4369         corresponding post-reload splitters.
4370         (*floatsi<mode>2_i387): New macroized instruction patterns.
4371
4372 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
4373
4374         * config/i386/i386.md (smaxmin): New.
4375         (umaxmin): Likewise.
4376         (maxminiprefix): Likewise.
4377         (maxminfprefix): Likewise.
4378         (<code><mode>3): Likewise.
4379         (smin<mode>3): Removed.
4380         (smax<mode>3): Likewise.
4381
4382         * config/i386/mmx.md (mmx_<code>v2sf3): New.
4383         (mmx_<code>v4hi3): Likewise.
4384         (mmx_<code>v8qi3): Likewise.
4385         (mmx_smaxv2sf3): Removed.
4386         (mmx_sminv2sf3): Likewise.
4387         (mmx_umaxv8qi3): Likewise.
4388         (mmx_smaxv4hi3): Likewise.
4389         (mmx_uminv8qi3): Likewise.
4390         (mmx_sminv4hi3): Likewise.
4391
4392         * config/i386/sse.md (<addsub><mode>3): New.
4393         (*<addsub><mode>3): Likewise.
4394         (<sse>_vm<addsub><mode>3): Likewise.
4395         (<maxmin><mode>3): Likewise.
4396         (*<maxmin><mode>3_finite): Likewise.
4397         (*<maxmin><mode>3): Likewise.
4398         (<sse>_vm<maxmin><mode>3): Likewise.
4399         (sse3_h<addsub>v4sf3): Likewise.
4400         (sse3_h<addsub>v2df3): Likewise.
4401         (<maxmin>v16qi3): Likewise.
4402         (*<maxmin>v16qi3): Likewise.
4403         (<maxmin>v8hi3): Likewise.
4404         (*<maxmin>v8hi3): Likewise.
4405         (*sse4_1_<maxmin><mode>3): Likewise.
4406         (*sse4_1_<maxmin><mode>3): Likewise.
4407         (add<mode>3): Removed.
4408         (*add<mode>3): Likewise.
4409         (<sse>_vmadd<mode>3): Likewise.
4410         (sub<mode>3): Likewise.
4411         (*sub<mode>3): Likewise.
4412         (<sse>_vmsub<mode>3): Likewise.
4413         (smin<mode>3): Likewise.
4414         (*smin<mode>3_finite): Likewise.
4415         (*smin<mode>3): Likewise.
4416         (<sse>_vmsmin<mode>3): Likewise.
4417         (smax<mode>3): Likewise.
4418         (*smax<mode>3_finite): Likewise.
4419         (*smax<mode>3): Likewise.
4420         (<sse>_vmsmax<mode>3): Likewise.
4421         (sse3_haddv4sf3): Likewise.
4422         (sse3_haddv2df3): Likewise.
4423         (sse3_hsubv4sf3): Likewise.
4424         (sse3_hsubv2df3): Likewise.
4425         (umaxv16qi3): Likewise.
4426         (*umaxv16qi3): Likewise.
4427         (smaxv8hi3): Likewise.
4428         (*smaxv8hi3): Likewise.
4429         (*sse4_1_smax<mode>3): Likewise.
4430         (*sse4_1_umax<mode>3): Likewise.
4431         (uminv16qi3): Likewise.
4432         (*uminv16qi3): Likewise.
4433         (sminv8hi3): Likewise.
4434         (*sminv8hi3): Likewise.
4435         (*sse4_1_smin<mode>3): Likewise.
4436         (*sse4_1_umin<mode>3): Likewise.
4437
4438 2008-04-01  Rafael Espindola  <espindola@google.com>
4439
4440         * tree-cfg.c (verify_expr): remove in_phi.
4441         (verify_stmt): Don't call walk_tree with verify_expr. Use
4442         is_gimple_min_invariant instead of is_gimple_val.
4443
4444 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
4445
4446         * doc/include/gpl_v3.texi: Update for manpage generation.
4447         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
4448         gpl.texi.
4449         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
4450         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
4451         gpl_v3.texi instead of gpl.texi.
4452         (gpl.pod): New.
4453
4454 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
4455
4456         PR pch/13675
4457         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
4458
4459 2008-04-01  Rafael Espindola  <espindola@google.com>
4460
4461         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
4462         (extract_code_and_val_from_cond): Use
4463         extract_code_and_val_from_cond_with_ops.
4464
4465 2008-04-01  Jan Hubicka  <jh@suse.cz>
4466
4467         * function.c (free_after_compilation): Free epilogue_delay_list.
4468         (prepare_function_start): Assert that previous compilation was freed.
4469
4470 2008-04-01  Jan Hubicka  <jh@suse.cz>
4471             Jim Wilson  <wilson@tuliptree.org>
4472             Andreas Tobler <andreast@gcc.gnu.org>
4473
4474         PR middle-end/35781
4475         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
4476         rtl.emit instead cfun->emit.
4477         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
4478         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
4479
4480 2008-04-01  Ben Elliston  <bje@au.ibm.com>
4481
4482         * doc/c-tree.texi (Function Basics): Fix grammatical error.
4483
4484 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
4485
4486         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
4487         New options
4488         (fprofile-use): Add var flag_profile_use
4489         * coverage.c (coverage_begin_output): Do not open a gcno file for
4490         output only if -ftest-coverage is set.
4491         Do not add getpwd() to gcda file path.
4492         (build_gcov_info): Check the new flag
4493         flag_profile_datafile_relative_path.
4494         (coverage_init): Use profile_data_prefix.
4495         Read profile counter only if flag_profile_use is set.
4496         * opts.c (common_handle_option): New option fprofile-use=,
4497         fprofile-dir=, fprofile-generate=.
4498         * toplev.c (profile_data_prefix): New variable definition.
4499         * toplev.h (profile_data_prefix): New declaration.
4500         * doc/invoke.tex (Option Summary, Optimization Options):
4501         Add new options.
4502
4503 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
4504
4505         * varasm.c (output_constant_pool_1): In LABEL_REF check,
4506         use tmp consistently.
4507
4508         PR target/35695
4509         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
4510         * config/ia64/ia64.c (rtx_needs_barrier): Handle
4511         UNSPEC_FR_RECIP_APPROX_RES.
4512         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
4513
4514 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
4515
4516         PR c/35750
4517         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
4518
4519 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4520
4521         PR middle-end/30186
4522         * fold-const.c (fold_indirect_ref_1): Support accessing non first
4523         element of the vector via a pointer.
4524
4525 2008-03-31  Ian Lance Taylor  <iant@google.com>
4526
4527         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
4528
4529 2008-03-31  Jan Hubicka  <jh@suse.cz>
4530
4531         * builtins.c (expand_builtin_setjmp_receiver): Update call of
4532         get_arg_pointer_save_area.
4533         * expr.c (init_expr): Just clear out rtl.expr.
4534         * function.c (free_after_compilation): Clear out whole RTL structure.
4535         (get_func_frame_size): Merge into ...
4536         (get_frame_size): ... this one.
4537         (assign_stack_local_1): Merge into ...
4538         (assign_stack_local): ... this one.
4539         (expand_function_end): Update call of get_arg_pointer_save_area.
4540         (get_art_pointer_save_area): Remove cfun argument.
4541         * function.h (emit_status): regno_pointer_align does not need length
4542         attribute. Move x_regno_reg_rtx to ...
4543         (regno_reg_rtx): ... new global array.
4544         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
4545         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
4546         apply_args_value, forced_labels, stack_pointer_delta):
4547         Update accestors.
4548         (struct varasm_status): Move here from varasm.c
4549         (struct rtl_data): New. Move here some fields from struct function.
4550         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
4551         frame_offset, stack_check_probe_note, arg_pointer_save_area,
4552         used_temp_slots avail_temp_slots, temp_slot_level,
4553         nonlocal_goto_handler_labels): Update accesstors.
4554         (rtl): New global variable.
4555         (struct function): Move some fileds to rtl_data.
4556         (get_arg_pointer_save_area): Update prototype.
4557         * emit-rtl.c (rtl): Declare.
4558         (regno_reg_rtx): Declare.
4559         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
4560         Update.
4561         (gen_reg_rtx): Update.
4562         (init_virtual_regs): Do not tate emit_status argument.
4563         (init_emit): Do not allocate emit.
4564         * varasm.c (varasm_statuc): Move to function.h.
4565         (n_deferred_constatns): Update accestor.
4566         (init_varasm_status): Do not allocate varasm_status.
4567         (force_const_mem, get_pool_size, output_constant_pool): Update.
4568         * stmt.c (force_label_rtx): Do not use x_ prefixes.
4569         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
4570
4571 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
4572
4573         PR rtl-optimization/35729
4574         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
4575         references.
4576
4577 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
4578
4579         PR target/32000
4580         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
4581         load/store if memory is unaligned.
4582         (*movti_rex64): Likewise.
4583
4584         * config/i386/predicates.md (misaligned_operand): New.
4585
4586 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
4587
4588         PR tree-opt/35431
4589         * tree-ssa-phiopt.c (conditional_replacement): Return early for
4590         complex types.
4591
4592 2008-03-31  Jan Beulich  <jbeulich@novell.com>
4593
4594         * config/ia64/constraints.md: Add 'j' constraint.
4595         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
4596         (movdi_internal): Likewise.
4597
4598 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
4599
4600         PR c/35748
4601         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
4602
4603 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
4604
4605         PR target/35757
4606         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
4607         proper error message for the third argument on blendpd and
4608         blendps.
4609
4610         * config/i386/sse.md (blendbits): New.
4611         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
4612
4613 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
4614
4615         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
4616
4617 2008-03-30  Richard Guenther  <rguenther@suse.de>
4618
4619         PR middle-end/31023
4620         * fold-const.c (fold_sign_changed_comparison): Do leave
4621         conversions to base-types alone.
4622
4623 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4624
4625         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
4626         the link register if one altivec register is be saved.
4627
4628 2008-03-30  Ben Elliston  <bje@au.ibm.com>
4629
4630         * final.c (final_scan_insn): Remove if (0) code.
4631
4632 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
4633
4634         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
4635
4636 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
4637
4638         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
4639         of V4SFmode to ix86_binary_operator_ok.
4640
4641 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
4642
4643         * config/i386/i386.c (override_options): Initialize
4644         ix86_veclib_handler to ix86_veclibabi_svml when
4645         -mveclibabi=svml is used.
4646         (ix86_veclibabi_svml): New function for SVML ABI style
4647         vectorization support.
4648         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
4649
4650 2008-03-28  Rafael Espindola  <espindola@google.com>
4651
4652         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
4653         (tree_binary_nonnegative_warnv_p): Make it public.
4654         (tree_single_nonnegative_warnv_p): Make it public.
4655         (tree_invalid_nonnegative_warnv_p): Make it public.
4656         (tree_unary_nonzero_warnv_p): Make it public.
4657         (tree_binary_nonzero_warnv_p): Make it public
4658         (tree_single_nonzero_warnv_p): Make it public.
4659         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
4660         (extract_range_from_binary_expr): Split the expr argument.
4661         (extract_range_from_unary_expr): Split the expr argument.
4662         (extract_range_from_comparison): Split the expr argument.
4663         (extract_range_from_expr): Use the new aux functions.
4664         (vrp_evaluate_conditional_warnv): Use
4665         vrp_evaluate_conditional_warnv_with_ops.
4666         * tree.h (tree_unary_nonzero_warnv_p): Declare.
4667         (tree_binary_nonzero_warnv_p): Declare.
4668         (tree_single_nonzero_warnv_p): Declare.
4669         (tree_expr_nonzero_warnv_p): Declare.
4670         (tree_unary_nonnegative_warnv_p): Declare.
4671         (tree_binary_nonnegative_warnv_p): Declare.
4672         (tree_single_nonnegative_warnv_p): Declare.
4673         (tree_invalid_nonnegative_warnv_p): Declare.
4674
4675 2008-03-28  Richard Guenther  <rguenther@suse.de>
4676
4677         PR tree-optimization/30317
4678         PR tree-optimization/30911
4679         PR tree-optimization/34793
4680         * tree-vrp.c (set_and_canonicalize_value_range): New function.
4681         (struct assert_locus_d): New member EXPR.
4682         (register_new_assert_for): Add EXPR parameter to support
4683         ASSERT_EXPR <name, expr OP limit>.
4684         (register_edge_assert_for_1): Adjust callers.
4685         (find_assert_locations): Likewise.
4686         (process_assert_insertions_for): Build condition from expression.
4687         (extract_range_from_assert): Handle ASSERT_EXPRs
4688         of the form ASSERT_EXPR <name, expr OP limit>.
4689         (register_edge_assert_for_2): New helper registering
4690         asserts for comparisons.  Recognize range tests of the form
4691         (unsigned)i - CST1 OP CST2.
4692         (register_edge_assert_for_1): Use it.
4693         (register_edge_assert_for): Likewise.
4694         (needs_overflow_infinity): Integer sub-types
4695         do not need overflow infinities.
4696         (vrp_val_is_max): The extreme values of integer sub-types
4697         are those of the base type.
4698         (vrp_val_is_min): Likewise.
4699         * tree.def (ASSERT_EXPR): Document extra allowed conditional
4700         expressions.
4701
4702 2008-03-28  Nick Clifton  <nickc@redhat.com>
4703
4704         PR target/31110
4705         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
4706         Return GENERAL_REGS for stack adjustment reloads.
4707
4708 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4709
4710         PR target/31334
4711         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
4712         const_vector when all the vectors are constant.
4713
4714 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
4715
4716         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
4717         comparisons.
4718         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
4719         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
4720         (scc_sf): New.
4721         (s<code>_sf): Use new scc_sf attribute for opcode names.
4722
4723 2008-03-27  Tom Tromey  <tromey@redhat.com>
4724
4725         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
4726         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
4727         config/spu/t-spu-elf, config/i386/t-interix,
4728         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
4729         config/i386/x-darwin, config/i386/x-mingw32,
4730         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
4731         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
4732         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
4733         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
4734         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
4735         config/rs6000/x-darwin, config/rs6000/t-rs6000,
4736         config/score/t-score-elf, config/arm/t-strongarm-pe,
4737         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
4738         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
4739         Revert automatic dependency patch.
4740
4741 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4742
4743         PR target/35657
4744         * config/i386/i386.c (ix86_function_arg_boundary): Align
4745         decimal floating point to its natural boundary.
4746
4747 2008-03-27  Richard Guenther  <rguenther@suse.de>
4748
4749         PR middle-end/35716
4750         * fold-const.c (fold_comparison): Restrict distinct decl
4751         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
4752         solely rely on operand_equal_p.
4753
4754 2008-03-27  Richard Guenther  <rguenther@suse.de>
4755
4756         PR c/32511
4757         * c-common.c (handle_weak_attribute): Reject combination of
4758         weak and inline.
4759
4760 2008-03-27  Richard Guenther  <rguenther@suse.de>
4761
4762         PR tree-optimization/32810
4763         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
4764         conversions from DECL_INITIAL.
4765         (fold_const_aggregate_ref): Likewise from constructor elements.
4766
4767 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
4768
4769         * tree-affine.h (aff_combination_expand): Declare.
4770         (get_inner_reference_aff): Likewise.
4771         * tree-affine.c (aff_combination_expand): Split out from
4772         tree_to_aff_combination_expand.
4773         (get_inner_reference_aff): New function.
4774         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
4775         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
4776         (struct lim_aux_data): sm_done field removed.
4777         (mem_ref_loc_p, mem_ref_locs_p): New types.
4778         (struct mem_ref): Added id, stored, accesses_in_loop,
4779         indep_loop, dep_loop, indep_ref, dep_ref fields.
4780         Removed is_stored, locs and next fields.
4781         (memory_accesses): New variable.
4782         (movement_possibility): Do not allow moving statements
4783         that store to memory.
4784         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
4785         New functions.
4786         (determine_max_movement): For statements with memory references,
4787         find the outermost loop in that the reference is independent.
4788         (move_computations_stmt): Mark the virtual operands for renaming.
4789         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
4790         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
4791         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
4792         add_vop_ref_mapping, create_vop_ref_mapping_loop,
4793         create_vop_ref_mapping, analyze_memory_references,
4794         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
4795         get_all_locs_in_loop, ref_always_accessed_p,
4796         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
4797         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
4798         store_motion_loop, store_motion): New functions.
4799         (struct vop_to_refs_elt): New type.
4800         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
4801         memref_hash, memref_eq, hoist_memory_references): Rewritten.
4802         (schedule_sm): Replaced by...
4803         (execute_sm): ... this.
4804         (determine_lsm_ref, hoist_memory_references,
4805         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
4806         find_more_ref_vops, free_mem_ref, free_mem_refs,
4807         determine_lsm_loop, determine_lsm): Removed.
4808         (tree_ssa_lim_finalize): Free data structures used by store motion.
4809         (tree_ssa_lim): Call analyze_memory_references.  Use
4810         store_motion instead of determine_lsm.
4811
4812 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
4813
4814         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
4815         rename tmake_file to m68hc11/t-m68hc11.
4816         (mcore): Set inhibit_libc to true.
4817         * config.host (alpha*-dec-*vms*): Set extra_programs.
4818         (interix3*): Don't use host_xmake_file.
4819         * configure.ac: Let config.gcc override inhibit_libc.
4820         * configure: Regenerate.
4821
4822         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
4823         * config/t-openbsd-thread: Remove commented out lines.
4824         
4825         * config/x-interix: Remove.
4826
4827         * config/m68hc11/t-m68hc11-gas: Rename to...
4828         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
4829
4830         * config/mcore/t-mcore: Remove T_CFLAGS.
4831         * config/mcore/t-mcore-pe: Likewise.
4832
4833 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
4834
4835         * configure.ac: Replace custom __GNU_SOURCE test with
4836         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
4837         * aclocal.m4: Regenerate.
4838         * configure: Regenerate.
4839         * config.in: Regenerate.
4840
4841 2008-03-27  Richard Guenther  <rguenther@suse.de>
4842
4843         * fold-const.c (target.h): Include.
4844         (fold_comparison): Fold comparison of addresses of decls
4845         that bind locally or of constants.  Consolidate address folding code.
4846         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
4847         results from fold_binary_to_constant.
4848         (compare_values_warnv): Likewise.
4849
4850 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
4851
4852         PR middle-end/35429
4853         * fold-const.c (fold_truthop): Check for integeral types when folding
4854         a == 0 && b == 0 and a != 0 || b != 0 .
4855
4856 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
4857
4858         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
4859
4860 2008-03-26  Andreas Schwab  <schwab@suse.de>
4861
4862         * doc/invoke.texi: Fix use of @item vs. @itemx.
4863
4864 2008-03-26  Tom Tromey  <tromey@redhat.com>
4865
4866         * Makefile.in (build/gensupport.o, build/print-rtl.o,
4867         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
4868         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
4869         build/gencodes.o, build/genconditions.o, build/genconfig.o,
4870         build/genconstants.o, build/genemit.o, build/genextract.o,
4871         build/genflags.o, build/genmddeps.o, build/genopinit.o,
4872         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
4873         options.h.
4874
4875 2008-03-26  Richard Guenther  <rguenther@suse.de>
4876
4877         Revert
4878         2008-03-26  Richard Guenther  <rguenther@suse.de>
4879
4880         * fold-const.c (target.h): Include.
4881         (fold_comparison): Fold comparison of addresses of two decls
4882         that bind locally.  Consolidate address folding code.
4883
4884 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4885
4886         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
4887         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
4888         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
4889         dconstsqrt2, dconstthird, dconste and/or dconst10.
4890         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
4891         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
4892         dconstsqrt2, dconste): Delete.
4893         (init_emit_once): Likewise.  Simplify initializing dconstm1.
4894         Constify variable.
4895         * real.c (get_real_const): New.
4896         * real.h (dconst3, dconst10, dconstm2, dconstthird,
4897         dconstsqrt2, dconste): Delete.
4898         (real_value_const, get_real_const): New.
4899
4900 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
4901
4902         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
4903
4904         * config/i386/i386.c (ix86_function_arg_boundary): Check
4905         BIGGEST_ALIGNMENT instead of 128.
4906         (setup_incoming_varargs_64): Likewise.
4907
4908 2008-03-26  Tom Tromey  <tromey@redhat.com>
4909
4910         * Makefile.in (DEPFILES): Add missing '/'.
4911
4912 2008-03-26  Richard Guenther  <rguenther@suse.de>
4913
4914         * fold-const.c (target.h): Include.
4915         (fold_comparison): Fold comparison of addresses of two decls
4916         that bind locally.  Consolidate address folding code.
4917
4918 2008-03-26  Nick Clifton  <nickc@redhat.com>
4919
4920         PR target/31232
4921         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
4922         not allow INT+INT as a legitimate addressing mode.
4923
4924 2008-03-26  Richard Guenther  <rguenther@suse.de>
4925
4926         * tree-flow.h (widen_bitfield): Remove declaration.
4927         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
4928         (widen_bitfield): Remove function.
4929         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
4930         code.
4931
4932 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4933
4934         PR target/31558
4935         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
4936         error_mark_node's.
4937
4938 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
4939
4940         PR rtl-optimization/35232
4941         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
4942         (forget_old_reloads_1, forget_marked_reloads): Don't clear
4943         reg_reloaded_call_part_clobbered here.
4944         (reload_regs_reach_end_p): New function.
4945         (reload_reg_rtx_for_input): New variable.
4946         (reload_reg_rtx_for_output): Likewise.
4947         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
4948         when reassigning a pseudo register.  Load reloadreg from 
4949         reload_reg_rtx_for_input, moving the mode and register
4950         calculation to...
4951         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
4952         instead of the original when deciding whether an input reload
4953         would be a no-op or whether an output reload can be deleted.
4954         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
4955         when setting up new_spill_reg_store.  Load it from
4956         reload_reg_rtx_for_output, moving the mode and register
4957         calculation to...
4958         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
4959         instead of the original when deciding whether an output reload
4960         would be a no-op.  Do the same when modifying insn notes.
4961         Use rtx_equal_p instead of == to compare the registers.
4962         (inherit_piecemeal_p): Take a mode and two register numbers
4963         as argument.
4964         (emit_reload_insns): Clear new_spill_reg_store for every hard
4965         register in the reload register.  Remove spill registers
4966         from reg_reloaded_valid before considering whether to record
4967         inheritance information for them.  Use reload_reg_rtx_for_output
4968         instead of reg_rtx when recording output reloads.  Use
4969         reload_reg_rtx_for_input instead of reg_rtx when recording
4970         input reloads.  Set or clear reg_reloaded_call_part_clobbered
4971         at the same time as setting reg_reloaded_valid.
4972         (delete_output_reload): Add a new_reload_reg parameter and use it
4973         instead of rld[j].reg_rtx.
4974         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
4975         calls accordingly.
4976
4977 2008-03-25  Tom Tromey  <tromey@redhat.com>
4978
4979         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
4980         (build/genattr.o): Likewise.
4981         (build/genattrtab.o): Likewise.
4982         (build/gencodes.o): Likewise.
4983         (build/genconfig.o): Likewise.
4984         (build/genconstants.o): Likewise.
4985         (build/genemit.o): Likewise.
4986         (build/genextract.o): Likewise.
4987         (build/genflags.o): Likewise.
4988
4989 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
4990         
4991         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
4992         instead of size_int for integer types.
4993         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
4994         to match type of MINUS_EXPR.
4995         
4996 2008-03-25  Tom Tromey  <tromey@redhat.com>
4997
4998         * configure: Rebuilt.
4999         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
5000         Makefile.
5001
5002 2008-03-25  Tom Tromey  <tromey@redhat.com>
5003
5004         * config/x-solaris (host-solaris.o): Update.
5005         * config/x-linux (host-linux.o): Update.
5006         * config/x-hpux (host-hpux.o): Update.
5007         * config/x-darwin (host-darwin.o): Update.
5008         * config/v850/t-v850e (v850-c.o): Update.
5009         * config/v850/t-v850 (v850-c.o): Update.
5010         * config/t-vxworks (vxworks.o): Update.
5011         * config/t-sol2 (sol2-c.o, sol2.o): Update.
5012         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
5013         * config/spu/t-spu-elf (spu-c.o): Update.
5014         (spu.o): Remove.
5015         * config/sh/t-symbian (sh-c.o): Update.
5016         (symbian.o): Update.
5017         * config/sh/t-sh (sh-c.o): Update.
5018         * config/score/t-score-elf (score7.o, score3.o): Update.
5019         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
5020         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
5021         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
5022         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
5023         (rs6000.o): Remove.
5024         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
5025         * config/m32c/t-m32c (m32c-pragma.o): Update.
5026         * config/ia64/t-ia64 (ia64-c.o): Update.
5027         * config/i386/x-mingw32 (host-mingw32.o): Update.
5028         * config/i386/x-i386 (driver-i386.o): Update.
5029         * config/i386/x-darwin (host-i386-darwin.o): Update.
5030         * config/i386/x-cygwin (host-cygwin.o): Update.
5031         * config/i386/t-nwld (nwld.o): Update.
5032         * config/i386/t-netware (netware.o): Update.
5033         * config/i386/t-interix (winnt.o): Update.
5034         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
5035         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
5036         msformat-c.o): Update.
5037         * config/bfin/t-bfin-linux (generated_files): Add
5038         linux-sysroot-suffix.h.
5039         * config/arm/t-wince-pe (pe.o): Update.
5040         * config/arm/t-strongarm-pe (pe.o): Update.
5041         * config/arm/t-pe (pe.o): Update.
5042         * config/arm/t-arm (arm-c.o): Update.
5043         * doc/install.texi (Prerequisites): Require make 3.80.
5044         * Makefile.in: Remove .o targets.
5045         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
5046         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
5047         (simple_generated_h, simple_generated_c): Move earlier.
5048         (generated_files): New variable.
5049         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
5050         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
5051         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
5052         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
5053         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
5054         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
5055         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
5056         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
5057         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
5058         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
5059         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
5060         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
5061         (.c.o): Remove.
5062         (COMPILE.base, COMPILE): New variables.
5063         (%.o): New pattern rule.
5064         (ALL_HOST_OBJS): New variable.
5065         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
5066         (dummy-checksum.o, cc1-checksum.o): Remove.
5067         (DRIVER_SHLIB): New variable.
5068         (DRIVER_DEFINES): Use it.
5069         (gencondmd.c): Move out of build/.
5070         (s-conditions): Update.
5071         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
5072         (ALL_BUILD_OBJS): Likewise.
5073         (build/%.o): Use BUILDCOMPILE.
5074         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
5075         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
5076         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
5077         build/gencheck.o, build/gencodes.o, build/genconditions.o,
5078         build/genconfig.o, build/genconstants.o, build/genemit.o,
5079         build/genextract.o, build/genflags.o, build/genmddeps.o,
5080         build/genopinit.o, build/genoutput.o, build/genpeep.o,
5081         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
5082         build/gen-protos.o, build/scan.o, build/fix-header.o,
5083         build/scan-decls.o): Simplify.
5084         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
5085         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
5086         prefix.o, toplev.o): Reduce to variable setting.
5087         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
5088         ($(out_object_file), gcc-options.o): New targets.
5089         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
5090         * configure: Rebuilt.
5091         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
5092         * doc/sourcebuild.texi (Front End Directory): Document new variable.
5093
5094 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
5095
5096         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
5097         complain when we hit an error, return ERROR_MARK_NODE.
5098
5099 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5100
5101         * config/sh/constraints.md (Pso, Psz): New constraints.
5102         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
5103         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
5104
5105 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5106
5107         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
5108         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
5109
5110 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5111
5112         * config/sh/sh.md (prefetch): Add condition for SH2A target.
5113         (prefetch_sh2a): New.   
5114
5115 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
5116             Naveen.H.S  <naveen.hs@kpitcummins.com>
5117
5118         * config/sh/constraints.md (I28): New constraint.
5119         * config/sh/sh.c (broken_move): Add support for movi20s.
5120         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
5121
5122 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
5123             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
5124             Naveen.H.S  <naveen.hs@kpitcummins.com>
5125
5126         * config/sh/sh.c (SH_ATTRIBUTES): Define.
5127         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
5128         (print_operand): Handle resbank in %@ operand code.
5129         (sh_encode_section_info): New.
5130         (push_regs): Add conditions for resbank.
5131         (sh_expand_epilogue): Likewise.
5132         (sh_insert_attributes): Likewise.
5133         (sh_attribute_table): Likewise.
5134         (sh_handle_resbank_handler_attribute): New.
5135         (sh2a_handle_function_vector_handler_attribute): New.
5136         (sh2a_is_function_vector_call): New.
5137         (sh2a_get_function_vector_number): New.
5138         (sh2a_function_vector_p): New.
5139         (sh_cfun_resbank_handler_p): New.
5140         * config/sh/sh.md (calli): Emit jsr/n if possible.
5141         (calli_tbr_rel): New.
5142         (calli_pcrel): Emit jsr/n if possible.
5143         (return_i): Emit rts/n if possible.
5144         (call_valuei_tbr_rel): New.
5145         (call_valuei_pcrel): Add condition for SH2A target.
5146         (call_value): Likewise.
5147         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
5148         (sh2a_get_function_vector_number): Likewise.
5149         (sh2a_is_function_vector_call): Likewise.
5150         * doc/extend.texi: Document TBR relative addressing of SH2A.
5151         (resbank): Add description for SH2A.
5152
5153 2008-03-24  Richard Guenther  <rguenther@suse.de>
5154
5155         PR c/22371
5156         * gimplify.c (gimplify_modify_expr): For frontend type-correct
5157         pointer assignments change conversions according to middle-end rules.
5158         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
5159         * configure.ac: Include type checking in yes.
5160         * configure: Regenerate.
5161
5162 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5163
5164         * diagnostic.c (diagnostic_count_diagnostic): Delete.
5165         (diagnostic_report_diagnostic): Update. Handle ICEs here.
5166         
5167 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
5168
5169         * gthr-vxworks.h (UNUSED): Define.
5170
5171 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
5172
5173         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
5174
5175 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
5176
5177         * doc/extend.texi (Function Attributes): Add missing comma in the
5178         example of the "alloc_size" attribute.
5179         
5180 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
5181
5182         Revert:
5183         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
5184
5185         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
5186         32bit host.
5187
5188         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
5189
5190         PR target/35496
5191         * stor-layout.c (update_alignment_for_field): Set minimum alignment
5192         of the underlying type of a MS bitfield layout to the natural
5193         alignment of the type.
5194
5195         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
5196
5197         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
5198         to their natural alignment to avoid store forwarding stalls.
5199
5200 2008-03-22  Richard Guenther  <rguenther@suse.de>
5201
5202         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
5203         For PHI nodes verify the address is invariant.
5204         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
5205         (get_symbol_constant_value): Use is_gimple_min_invariant.
5206         (maybe_fold_stmt_indirect): Likewise.
5207
5208 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
5209
5210         PR rtl-optimization/33927
5211         * Makefile.in (dse.o): Depend on $(TM_P_H).
5212         * expr.h (extract_low_bits): Declare.
5213         * expmed.c (extract_low_bits): New function.
5214         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
5215         * dse.c: Include tm_p.h.
5216         (find_shift_sequence): Remove the read_reg argument and return the
5217         read value.  Emit the instructions instead of returning them.
5218         Iterate on new_mode rather than calculating it each time.
5219         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
5220         source to NEW_MODE and extract_low_bits to convert the shifted
5221         value to READ_MODE.
5222         (replace_read): Allow the load and store to have different mode
5223         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
5224         or extraction instructions before trying the replacement.  Update
5225         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
5226
5227 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
5228
5229         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
5230         to their natural alignment to avoid store forwarding stalls.
5231
5232 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5233
5234         PR target/27946
5235         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
5236         encouraging but not allowing gprs for input;
5237         change the input constraint to !f#r.
5238         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
5239         gprs for output;
5240         change the output constraint to !f#r.
5241
5242 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
5243
5244         PR target/13958
5245         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
5246         corresponding post-reload splitters.
5247         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
5248         when x87 FP math is selected.
5249         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
5250         New function prototype.
5251         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
5252         unreachable function to ease macroization of insn patterns.
5253
5254 2008-03-21  Martin Jambor  <mjambor@suse.cz>
5255
5256         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
5257         reference dumps if ddr is NULL or dependence is unknown.
5258
5259 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5260
5261         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
5262         unsigned extension into account.
5263         (ATOMIC_COMPARE_AND_SWAP): Likewise.
5264         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
5265         Do computations on a scratch register.
5266
5267 2008-03-21  Richard Guenther  <rguenther@suse.de>
5268
5269         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
5270         Use is_gimple_min_invariant instead of TREE_INVARIANT.
5271         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
5272         * tree-ssa-dom.c (record_equality): Likewise.
5273         * tree-inline.c (copy_body_r): Likewise.
5274         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
5275         TREE_INVARIANT.
5276
5277 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5278
5279         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
5280         as 'delete_unused' argument.
5281
5282 2008-03-20  Richard Guenther  <rguenther@suse.de>
5283
5284         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
5285         special casing of constant qualifiers.
5286         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
5287         care about them in general.
5288         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
5289         regardless of their type.
5290         (fold_stmt_r): Forcefully fold *& if we end up with that.
5291
5292 2008-03-20  Paul Brook  <paul@codesourcery.com>
5293
5294         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
5295         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
5296         linker flags.
5297         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
5298         definition.
5299         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
5300         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
5301
5302 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
5303
5304         * common.opt (Wmudflap): New option.
5305         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
5306         (mx_register_decls): Likewise.
5307         (mudflap_finish_file): Likewise.
5308         * doc/invoke.texi: Document -Wno-mudflap.
5309
5310 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
5311
5312         * c-format.c (replace_format_name_to_system_name): New.
5313         (cmp_attribs): New.
5314         (convert_format_name_to_system_name): New.
5315         (decode_format_attr): Add use of convert_format_name_to_system_name.
5316         (format_types_orig): Add gnu_ prefix to names.
5317         (check_format_info_main): Special treating of \0 escaped names for
5318         supporting multi-character format specifiers as I32, I64.
5319         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
5320         (gnu_target_overrides_format_attributes): New.
5321         * c-format.h: Add structure target_ovr_attr to hold
5322         system specific formatter names.
5323         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
5324         msformat-c.o file to c_target_objs and cxx_target_objs.
5325         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
5326         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
5327         (TARGET_N_FORMAT_TYPES): New.
5328         * config/i386/msformat-c.c: New.
5329         * config/i386/t-cygming: Add build rule for msformat-c.o.
5330         * doc/extend.texi: Add new format names gnu_* and ms_* and
5331         further details.
5332         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
5333
5334 2008-03-20  Ira Rosen  <irar@il.ibm.com>
5335
5336         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
5337         optimizations turned on under -O3.
5338         (ftree-vectorize): Add that the flag is turned on with -O3.
5339
5340 2008-03-20  Ben Elliston  <bje@au.ibm.com>
5341
5342         * regmove.c (try_auto_increment): Fix spelling error in comment.
5343         * final.c (final_scan_insn): Likewise.
5344
5345 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
5346
5347         PR target/14552
5348         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
5349         allocator preferences for "y" and "r" class registers.
5350         ("*mov<mode>_internal"): Ditto.
5351         ("*movv2sf_internal_rex64"): Ditto.
5352         ("*movv2sf_internal"): Ditto.
5353
5354 2008-03-19  Michael Matz  <matz@suse.de>
5355
5356         PR middle-end/35616
5357         * calls.c (expand_call): Check overlap of arguments with call
5358         address for sibcalls.
5359
5360 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
5361
5362         PR target/35496
5363         * stor-layout.c (update_alignment_for_field): Set minimum alignment
5364         of the underlying type of a MS bitfield layout to the natural
5365         alignment of the type.
5366
5367 2008-03-19  Jan Hubicka  <jh@suse.cz>
5368
5369         PR other/35094
5370         * toplev.c (decode_d_option): Handle all CPP flags.
5371         * tree-vrp.c: Update tree_pass descriptors.
5372         * regrename.c: Update tree_pass descriptors.
5373         * fwprop.c: Update tree_pass descriptors.
5374         * doc/invoke.texi: Remove documentation of dropped -d? flags.
5375         * tree-into-ssa.c: Update tree_pass descriptors.
5376         * tree-dump.c: Update tree_pass descriptors.
5377         * tree-complex.c: Update tree_pass descriptors.
5378         * tree-dump.h: Update tree_pass descriptors.
5379         * see.c: Update tree_pass descriptors.
5380         * cgraphbuild.c: Update tree_pass descriptors.
5381         * tracer.c: Update tree_pass descriptors.
5382         * tree-loop-distribution.c: Update tree_pass descriptors.
5383         * cgraph.c: Update tree_pass descriptors.
5384         * postreload-gcse.c: Update tree_pass descriptors.
5385         * postreload.c: Update tree_pass descriptors.
5386         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
5387         * tree-tailcall.c: Update tree_pass descriptors.
5388         * tree-pass.h (tree_opt_pass): Rename to ...
5389         (opt_pass) ... this one; add "type" field and remove letter field.
5390         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
5391         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
5392         all_lowering_passes): Update declaration.
5393         * ipa-cp.c: Update tree_pass descriptors.
5394         * final.c: Update tree_pass descriptors.
5395         * omp-low.c: Update tree_pass descriptors.
5396         * tree-ssa-dse.c: Update tree_pass descriptors.
5397         * ipa-reference.c: Update tree_pass descriptors.
5398         * tree-ssa-uncprop.c: Update tree_pass descriptors.
5399         * auto-inc-dec.c: Update tree_pass descriptors.
5400         * reorg.c: Update tree_pass descriptors.
5401         * cgraphunit.c: Update tree_pass descriptors.
5402         * tree-ssa-copyrename.c: Update tree_pass descriptors.
5403         * tree-ssa-ccp.c: Update tree_pass descriptors.
5404         * df-core.c: Update tree_pass descriptors.
5405         * mode-switching.c: Update tree_pass descriptors.
5406         * tree-nomudflap.c: Update tree_pass descriptors.
5407         * modulo-sched.c: Update tree_pass descriptors.
5408         * ipa-pure-const.c: Update tree_pass descriptors.
5409         * cse.c: Update tree_pass descriptors.
5410         * web.c: Update tree_pass descriptors.
5411         * tree-stdarg.c: Update tree_pass descriptors.
5412         * tree-ssa-math-opts.c: Update tree_pass descriptors.
5413         * tree-ssa-dom.c: Update tree_pass descriptors.
5414         * tree-nrv.c: Update tree_pass descriptors.
5415         * tree-ssa-alias.c: Update tree_pass descriptors.
5416         * loop-init.c: Update tree_pass descriptors.
5417         * gimple-low.c: Update tree_pass descriptors.
5418         * ipa-inline.c: Update tree_pass descriptors.
5419         * tree-ssa-sink.c: Update tree_pass descriptors.
5420         * global.c: Update tree_pass descriptors.
5421         * ifcvt.c: Update tree_pass descriptors.
5422         * jump.c: Update tree_pass descriptors.
5423         * predict.c: Update tree_pass descriptors.
5424         * tree-ssa-loop.c: Update tree_pass descriptors.
5425         * recog.c: Update tree_pass descriptors.
5426         * dse.c: Update tree_pass descriptors.
5427         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
5428         * tree-eh.c: Update tree_pass descriptors.
5429         * regmove.c: Update tree_pass descriptors.
5430         * local-alloc.c
5431         * function.c: Update tree_pass descriptors.
5432         * tree-vectorizer.c: Update tree_pass descriptors.
5433         * gcse.c: Update tree_pass descriptors.
5434         * ipa-type-escape.c: Update tree_pass descriptors.
5435         * tree-if-conv.c: Update tree_pass descriptors.
5436         * init-regs.c: Update tree_pass descriptors.
5437         * ipa.c: Update tree_pass descriptors.
5438         * tree-ssa-phiopt.c: Update tree_pass descriptors.
5439         * rtl-factoring.c: Update tree_pass descriptors.
5440         * lower-subreg.c: Update tree_pass descriptors.
5441         * bt-load.c: Update tree_pass descriptors.
5442         * tree-dfa.c: Update tree_pass descriptors.
5443         * except.c: Update tree_pass descriptors.
5444         * emit-rtl.c: Update tree_pass descriptors.
5445         * cfgexpand.c: Update tree_pass descriptors.
5446         * tree-cfgcleanup.c: Update tree_pass descriptors.
5447         * cfgcleanup.c: Update tree_pass descriptors.
5448         * tree-ssa-pre.c: Update tree_pass descriptors.
5449         * tree-sra.c: Update tree_pass descriptors.
5450         * tree-mudflap.c: Update tree_pass descriptors.
5451         * tree-ssa-copy.c: Update tree_pass descriptors.
5452         * cfglayout.c: Update tree_pass descriptors.
5453         * tree-ssa-forwprop.c: Update tree_pass descriptors.
5454         * tree-ssa-dce.c: Update tree_pass descriptors.
5455         * tree-ssa.c: Update tree_pass descriptors.
5456         * regclass.c: Update tree_pass descriptors.
5457         * integrate.c: Update tree_pass descriptors.
5458         * tree-optimize.c: Update tree_pass descriptors.
5459         * tree-ssa-phiprop.c: Update tree_pass descriptors.
5460         * tree-object-size.c: Update tree_pass descriptors.
5461         * combine.c: Update tree_pass descriptors.
5462         * tree-outof-ssa.c: Update tree_pass descriptors.
5463         * bb-reorder.c: Update tree_pass descriptors.
5464         * stack-ptr-mod.c: Update tree_pass descriptors.
5465         * var-tracking.c: Update tree_pass descriptors.
5466         * tree-profile.c: Update tree_pass descriptors.
5467         * tree-vect-generic.c: Update tree_pass descriptors.
5468         * reg-stack.c: Update tree_pass descriptors.
5469         * sched-rgn.c: Update tree_pass descriptors.
5470         * tree-ssa-structalias.c: Update tree_pass descriptors.
5471         * tree-cfg.c: Update tree_pass descriptors.
5472         * passes.c (current_pass): Update declaration.
5473         (finish_optimization_passes): Update.
5474         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
5475         (register_one_dump_file, register_dump_files_1, next_pass_1):
5476         Update arguments.
5477         (init_optimization_passes): Update handling of new types.
5478         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
5479         * ipa-struct-reorg.c: Update tree_pass descriptors.
5480         * tree-ssa-reassoc.c: Update tree_pass descriptors.
5481         * combine-stack-adj.c: Update tree_pass descriptors.
5482         * cfgrtl.c: Update tree_pass descriptors.
5483         * dce.c: Update tree_pass descriptors.
5484         * tree-ssanames.c: Update tree_pass descriptors.
5485
5486 2008-03-19  Richard Guenther  <rguenther@suse.de>
5487
5488         PR middle-end/35609
5489         * tree-ssa.c (walk_data): New structure.
5490         (warn_uninitialized_var): If not always_executed warn with "maybe"
5491         instead of "is".
5492         (execute_early_warn_uninitialized): Compute post-dominators.
5493         Initialize always_executed before processing each basic block.
5494
5495 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
5496
5497         PR target/35504
5498         * config/i386/i386.c (x86_this_parameter): Calculate correct location
5499         of "this" pointer when "regparm = N" or "fastcall" is in effect.
5500
5501 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5502
5503         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
5504
5505 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
5506
5507         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
5508         is true.
5509         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
5510         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
5511         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
5512         target after ignore has been set, and move there also the commputation
5513         of subtarget and original_target.
5514         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
5515         (LANG_HOOKS_INITIALIZER): Remove it.
5516         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
5517
5518 2008-03-18  Richard Guenther  <rguenther@suse.de>
5519
5520         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
5521         found an expression with constants, note that in the VN for the lhs.
5522         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
5523         fold them to constants if possible.  Run cleanup_cfg if done so.
5524         (execute_pre): Return todo.
5525         (do_pre): Likewise.
5526         (execute_fre): Likewise.
5527         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
5528         of constants.
5529         (get_prop_source_stmt): Look through pointer conversions.
5530
5531 2008-03-18  Jan Hubicka  <jh@suse.cz>
5532
5533         * tree-pretty-print.c: Include predict.h.
5534         (dump_generic_node): Dump predictor.
5535         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
5536         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
5537         * gimple-low.c (lower_stmt): Likewise.
5538         * expr.c (expand_expr_real): Likewise.
5539         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
5540         them.
5541         (build_predict_expr, build_predict_expr): New.
5542         * predict.h (predictor_name, build_predict_expr): Update.
5543         * c-typeck.c (c_finish_bc_stmt): Add prediction.
5544         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
5545         * predict.def (PRED_CONTINUE): Update hitrate.
5546         * tree.def (PREDICT_EXPR): Define.
5547         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
5548         do not handle BIND_EXPR.
5549         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
5550         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
5551         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
5552         operands.
5553
5554 2008-03-18  Michael Matz  <matz@suse.de>
5555
5556         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
5557
5558 2008-03-18  Richard Guenther  <rguenther@suse.de>
5559
5560         * tree-gimple.h (is_gimple_invariant_address): Declare.
5561         (is_gimple_constant): Likewise.
5562         * tree-gimple.c (is_gimple_constant): New function.
5563         (is_gimple_invariant_address): Likewise.
5564         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
5565         and is_gimple_invariant_address.
5566         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
5567         previous change.
5568         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
5569         an addressable base.
5570
5571 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
5572
5573         PR middle-end/35611
5574         * gimplify.c (gimplify_expr): Gimplify second operand of
5575         OMP_ATOMIC_LOAD.
5576
5577 2008-03-17  Richard Guenther  <rguenther@suse.de>
5578
5579         PR tree-optimization/19637
5580         * fold-const.c (fold_unary): Remove restrictions of removing
5581         intermediate pointer-conversions (P2)(P1)P0.
5582         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
5583         conversion to void pointer.
5584         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
5585
5586 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
5587
5588         PR debug/31510
5589         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
5590         emulated thread local variables.
5591
5592 2008-03-16  Richard Guenther  <rguenther@suse.de>
5593
5594         PR middle-end/35607
5595         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
5596         expand TREE_INVARIANT operations that are not gimple invariant.
5597
5598 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
5599
5600         * doc/extend.texi (Alignment): Say that the ABI controls
5601         the __alignof__ for non-strict-alignment targets rather
5602         than being a recommendation.
5603
5604 2008-03-15  Paul Brook  <paul@codesourcery.com>
5605
5606         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
5607         annotations.
5608         (arm_output_fn_unwind): Mark functions that can not be unwound.
5609
5610 2008-03-15  Paul Brook  <paul@codesourcery.com>
5611
5612         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
5613         extension instructions.
5614
5615 2008-03-15  Richard Guenther  <rguenther@suse.de>
5616
5617         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
5618         and fold constant aggregate refs.
5619         (fold_const_aggregate_ref): Handle string constants
5620         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
5621         (evaluate_stmt): Simplify now that ccp_fold folds constant
5622         aggregate refs.
5623
5624 2008-03-15  Paul Brook  <paul@codesourcery.com>
5625
5626         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
5627         (extzv): Use gen_extzv_t2.
5628         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
5629
5630 2008-03-15  Richard Guenther  <rguenther@suse.de>
5631
5632         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
5633         (fold_const_aggregate_ref): Likewise.
5634         (get_value): Return NULL if we don't have any values.
5635         (ccp_finalize): Set const_val to NULL after freeing it.
5636         * tree-flow.h (get_symbol_constant_value): Declare.
5637         (fold_const_aggregate_ref): Likewise.
5638         * tree-ssa-sccvn.c (try_to_simplify): Use them.
5639
5640 2008-03-15  Richard Guenther  <rguenther@suse.de>
5641
5642         PR middle-end/35593
5643         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
5644         to not produce negative array indices if not allowed.  Add
5645         parameter to indicate that.
5646         (maybe_fold_offset_to_component_ref): Allow negative array
5647         indices only for the first member of a structure.
5648         (maybe_fold_offset_to_reference): Allow negative array indices.
5649         (maybe_fold_stmt_addition): Likewise.
5650
5651 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
5652             Anatoly Sokolov <aesok@post.ru>
5653
5654         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
5655         (avr_arch): Add ARCH_AVR6.
5656         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
5657         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
5658         instead of fixed value 2.
5659         (print_operand_address): Use gs() asm specifier instead of pm().
5660         (avr_assemble_integer): (Ditto.).
5661         (avr_output_addr_vec_elt): (Ditto.).
5662         (print_operand): Handle "!" code.
5663         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
5664         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
5665         (AVR_HAVE_EIJMP_EICALL): Define.
5666         (AVR_3_BYTE_PC): Redefine.
5667         (AVR_2_BYTE_PC): (Ditto.).
5668         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
5669         (LINK_SPEC): Add atmega2560 and atmega2561.
5670         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
5671         (crtm2561.o).
5672         * config/avr/avr.md (call_insn): Use eicall instead of icall 
5673         for 3 byte PC devices.
5674         (call_value_insn): (Ditto.).
5675         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
5676         (indirect_jump): Use only for for 2 byte PC devices.
5677         (*tablejump): (Ditto.).
5678         (*indirect_jump_avr6): Add insn.
5679         (*tablejump_rjmp): Don't use for 3 byte PC devices.
5680         * config/avr/libgcc.S (__prologue_saves__): Use eijmp 
5681         instead of ijmp for 3 byte PC devices.
5682         (__tablejump2__): (Ditto.).
5683         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
5684         (MULITLIB_DIRNAMES): (Ditto.). 
5685         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
5686
5687 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
5688
5689         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
5690         "sse2_umulsidi3".  Use V1DI mode for operand 0.
5691         ("mmx_psadbw"): Use V1DI mode for operand 0.
5692         * config/i386/i386-modes.def (V1SI): New vector mode.
5693         * config/i386/i386.c (struct builtin_description)
5694         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
5695         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
5696         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
5697         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
5698         v1di_ftype_v8qi_v8qi type.
5699         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
5700
5701         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
5702         __builtin_ia32_pmuludq]: Fix the mode of return value.
5703
5704 2008-03-15  Richard Guenther  <rguenther@suse.de>
5705
5706         PR middle-end/35595
5707         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
5708         being a PHI_NODE.
5709
5710 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
5711         
5712         * doc/invoke.texi (Option Summary, Xtensa Options): Document
5713         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
5714         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
5715         unless TARGET_SERIALIZE_VOLATILE is enabled.
5716         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
5717         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
5718         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
5719
5720 2008-03-14  Richard Guenther  <rguenther@suse.de>
5721
5722         PR tree-optimization/34172
5723         * tree-flow.h (refs_may_alias_p): Declare.
5724         (get_single_def_stmt): Likewise.
5725         (get_single_def_stmt_from_phi): Likewise.
5726         (get_single_def_stmt_with_phi): Likewise.
5727         * tree-dfa.c (refs_may_alias_p): New function.
5728         (get_single_def_stmt): Likewise.
5729         (get_single_def_stmt_from_phi): Likewise.
5730         (get_single_def_stmt_with_phi): Likewise.
5731         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
5732         (vn_reference_lookup_1): New helper function.
5733         (vn_reference_lookup): Walk the virtual use-def chain to
5734         continue searching for a match if the def does not alias the
5735         reference we are looking for.
5736
5737 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
5738
5739         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
5740         archive and Perzl.  Update The Written Word listing.
5741
5742 2008-03-14  Richard Guenther  <rguenther@suse.de>
5743
5744         PR tree-optimization/34043
5745         PR tree-optimization/33989
5746         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
5747         when doing FRE.
5748         (bitmap_find_leader): Use extra argument to verify dominance
5749         relationship inside a basic-block.
5750         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
5751         (find_leader_in_sets): Adjust.
5752         (create_component_ref_by_pieces): Take extra argument for
5753         dominance check, handle lookup failures.
5754         (find_or_generate_expression): Likewise.
5755         (create_expression_by_pieces): Likewise.
5756         (insert_into_preds_of_block): Adjust.
5757         (create_value_expr_from): If asked for, verify all operands
5758         are in the blocks AVAIL_OUT set.
5759         (make_values_for_stmt): Check for SSA_NAMEs that are life
5760         over an abnormal edge.
5761         (compute_avail): Remove such check.
5762         (do_SCCVN_insertion): New function.
5763         (eliminate): If we do not find a leader suitable for replacement
5764         insert a replacement expression from SCCVN if available.
5765         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
5766         (struct vn_ssa_aux): Add needs_insertion flag.
5767         * tree-ssa-sccvn.c (may_insert): New global flag.
5768         (copy_reference_ops_from_ref): Value-number union member access
5769         based on its size, not type and member if insertion is allowed.
5770         (visit_reference_op_load): For a weak match from union type
5771         punning lookup a view-converted value and insert a SSA_NAME
5772         for that value if that is not found.
5773         (visit_use): Make dumps shorter.  Do not disallow value numbering
5774         SSA_NAMEs that are life over an abnormal edge to constants.
5775         (free_scc_vn): Release inserted SSA_NAMEs.
5776         (run_scc_vn): New flag to specify whether insertion is allowed.
5777         Process SSA_NAMEs in forward order.
5778         * tree-ssa-loop-im.c (for_each_index): Handle invariant
5779         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
5780         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
5781         pointer type to/from integral types that do not change the
5782         precision to regular conversions.
5783
5784 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
5785
5786         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
5787         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
5788         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
5789         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
5790         input arguments and the mode of return value.  Built-in functions
5791         that operate on whole 64-bit MMX register now use V1DI mode.
5792
5793 2008-03-13  Alon Dayan  <alond@il.ibm.com>
5794             Olga Golovanevsky  <olga@il.ibm.com>
5795
5796         PR tree-optimization/35041
5797         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
5798         to locate the right position in a statement.
5799
5800 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
5801
5802         PR target/34000
5803         PR target/35553
5804         * config/i386/xmmintrin.h:  Change all static inline functions to
5805         extern inline and add __gnu_inline__ attribute.
5806         * config/i386/bmintrin.h: Ditto.
5807         * config/i386/smmintrin.h: Ditto.
5808         * config/i386/tmmintrin.h: Ditto.
5809         * config/i386/mmintrin-common.h: Ditto.
5810         * config/i386/ammintrin.h: Ditto.
5811         * config/i386/emmintrin.h: Ditto.
5812         * config/i386/pmmintrin.h: Ditto.
5813         * config/i386/mmintrin.h: Ditto.
5814         * config/i386/mm3dnow.h: Ditto.
5815
5816 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
5817
5818         PR middle-end/35185
5819         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
5820         (lower_omp_2): New function.
5821         (lower_omp_1, lower_omp): Rewritten.
5822
5823 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
5824
5825         PR 35054
5826         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
5827         with the phrase "Microsoft Windows compilers".
5828         (Push/Pop Macro Pragmas): New subsection. Document
5829         #pragma push_macro and pragma pop_macro.
5830
5831 2008-03-12  Paul Brook  <paul@codesourcery.com>
5832
5833         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
5834
5835 2008-03-12  Paul Brook  <paul@codesourcery.com>
5836
5837         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
5838         (thumb2_alusi3_short): Exclude PLUS and MINUS.
5839         (thumb2_addsi_shortim): Rename ...
5840         (thumb2_addsi_short): ... to this.  Allow register operands.
5841         (thumb2_subsi_short): New pattern.
5842         (thumb2_one_cmplsi2_short,
5843         thumb2_negsi2_short): New patterns and peepholes.
5844
5845 2008-03-12  Paul Brook  <paul@codesourcery.com>
5846
5847         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
5848
5849 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
5850
5851         * config/i386/i386.md (int_cond): New code iterator.
5852         (fp_cond): Ditto.
5853         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
5854         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
5855         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
5856         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
5857         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
5858         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
5859         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
5860         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
5861
5862 2008-03-12  Paul Brook  <paul@codesourcery.com>
5863
5864         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
5865         instead of {arm,thumb}_compute_save_reg_mask.
5866         (output_return_instruction): Ditto.
5867         (thumb_unexpanded_epilogue): Ditto.
5868         (thumb1_expand_prologue): Ditto.
5869         (thumb1_output_function_prologue): Ditto.
5870         (arm_set_return_address): Ditto.
5871         (thumb_set_return_address): Ditto.
5872         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
5873         regs to achieve stack alignment.
5874         (thumb1_compute_save_reg_mask): Fix compiler warning.
5875         (arm_output_epilogue): Use offsets->saved_regs_mask.
5876         Adjust stack pointer by poping call clobered registers.
5877         (arm_expand_prologue): Use offsets->saved_regs_mask.
5878         Adjust stack pointer by pushing extra registers.
5879         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
5880
5881 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
5882
5883         PR tree-opt/35422
5884         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
5885         conversion to the operands of a multiplication.
5886
5887 2008-03-12  Richard Guenther  <rguenther@suse.de>
5888
5889         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
5890         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
5891         * timevar.def (TV_TREE_PHIPROP): Add.
5892         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
5893         pass description.  Use TV_TREE_PHIPROP.
5894         * tree-ssa-forwprop.c: Remove phiprop code.
5895
5896 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
5897
5898         PR middle-end/35549
5899         * omp-low.c (maybe_lookup_decl): Constify first argument.
5900         (use_pointer_for_field): Change last argument from bool to
5901         omp_context *.  Disallow shared copy-in/out in nested
5902         parallel if decl is shared in outer parallel too.
5903         (build_outer_var_ref, scan_sharing_clauses,
5904         lower_rec_input_clauses, lower_copyprivate_clauses,
5905         lower_send_clauses, lower_send_shared_vars): Adjust callers.
5906
5907 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
5908             Ira Rosen  <irar@il.ibm.com>
5909
5910         * tree-vectorizer.c (free_stmt_vec_info): New function.
5911         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
5912         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
5913         * tree-vectorizer.h (free_stmt_vec_info): Declare.
5914         * tree-vect-transform.c (vectorizable_conversion): Free
5915         vec_oprnds0 if it was allocated.
5916         (vect_permute_store_chain): Remove unused VECs.
5917         (vectorizable_store): Free VECs that are allocated in the..
5918         function.
5919         (vect_transform_strided_load, vectorizable_load): Likewise.
5920         (vect_remove_stores): Simplify the code.
5921         (vect_transform_loop): Move code to vect_remove_stores().
5922         Call vect_remove_stores() and free_stmt_vec_info().
5923
5924 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5925
5926         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
5927         TARGET_HPUX.  Revise comment.
5928         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
5929         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
5930         Use sr4 variant of `be' instruction when not generating PIC code.
5931         (attr_length_call): Adjust for above change.
5932
5933 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5934
5935         * ipa-reference.c (static_execute): Remove module_statics_const and
5936         associated setting code.
5937
5938 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
5939
5940         PR target/35540
5941         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
5942         predicate for operand 1.
5943         (paritysi2_cmp): Use register_operand predicate for operand 2.
5944         Use earlyclobber modifier for operand 1.  Remove support for
5945         memory operands.
5946         (paritydi2_cmp): Use register_operand predicate for operand 3.
5947         Use earlyclobber modifier for operand 1.  Remove support for
5948         memory operands.
5949
5950 2008-03-11  Paul Brook  <paul@codesourcery.com>
5951             Vladimir Prus  <vladimir@codesourcery.com>
5952
5953         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
5954         (arm_compute_save_reg0_reg12_mask): Always
5955         check if register 11 must be saved.  Always safe hard frame pointer
5956         when frame_pointer_needeed.
5957         (arm_compute_save_reg_mask): Save IP and PC
5958         only with apcs frames.
5959         (arm_output_epilogue): Adjust Thumb2 codepath to
5960         be also invoked and work for ARM non-apcs frames.
5961         (arm_expand_prologue): Don't bother saving IP
5962         for non-apcs frame, since it's not clobbered by
5963         prologue code.  Implement non-apcs frame
5964         layout.
5965
5966 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
5967
5968         PR rtl-optimization/35281
5969         * expr.c (convert_move): Use a new pseudo for the intermediate
5970         from_mode->word_mode result.
5971
5972 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
5973
5974         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
5975         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
5976         * toplev.c (compile_file): Don't call it.
5977
5978 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
5979
5980         PR middle-end/35526
5981         * expr.c (store_expr): Call emit_block_move if the mode
5982         of "temp" RTX is BLKmode.
5983
5984 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5985             Richard Guenther  <rguenther@suse.de>
5986
5987         PR tree-optimization/31358
5988         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
5989         the step with a NULL_TREE.
5990         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
5991         to sizetype if type is a pointer type.
5992         (add_candidate_1): Don't convert the base and step to
5993         the generic type if the orginal type is a pointer type.
5994         (add_iv_value_candidates): Use sizetype for the step
5995         if type is a pointer type.
5996         (cand_value_at): Likewise.
5997         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
5998         for pointer types.
5999         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
6000         Don't convert the tem affine to the type.
6001         (add_elt_to_tree): Use sizetype for the step if a pointer.
6002         Use POINTER_PLUS_EXPR for pointers.
6003         (aff_combination_to_tree): Use sizetype for the step if a
6004         pointer.
6005
6006 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
6007
6008         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
6009         Remove commutativity hint.
6010
6011 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
6012
6013         PR c/35438
6014         PR c/35439
6015         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
6016         errorneous type.  Check that v is a VAR_DECL.
6017
6018         PR middle-end/35099
6019         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
6020
6021 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
6022
6023         PR tree-optimization/35494
6024         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
6025         may be overriden at link and run time.
6026
6027 2008-03-10  Richard Guenther  <rguenther@suse.de>
6028
6029         PR tree-optimization/34677
6030         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
6031         (poolify_tree): Likewise.
6032         (modify_expr_template): Likewise.
6033         (poolify_modify_stmt): Likewise.
6034         (insert_fake_stores): Handle all component-ref style stores
6035         in addition to INDIRECT_REF.  Also handle complex types.
6036         Do not poolify the inserted load.
6037         (realify_fake_stores): Do not rebuild the tree but only
6038         make it a SSA_NAME copy.
6039         (init_pre): Remove initialzation of modify_expr_template.
6040         Do not allocate modify_expr_node_pool.
6041         (fini_pre): Do not free modify_expr_node_pool.
6042
6043 2008-03-10  Paul Brook  <paul@codesourcery.com>
6044
6045         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
6046         to avoid conflicts.
6047
6048 2008-03-10  Paul Brook  <paul@codesourcery.com>
6049             Mark Shinwell  <shinwell@codesourcery.com>
6050
6051         * config/arm/cortex-r4.md: New.
6052         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
6053         insn attributes.
6054         * config/arm/arm.md: Include cortex-r4.md.
6055         (insn): Add smmls, sdiv and udiv values.
6056         (generic_sched): Don't use generic scheduling for Cortex-R4.
6057         (arm_issue_rate): New function.
6058         (TARGET_SCHED_ISSUE_RATE): Define.
6059
6060 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
6061
6062         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
6063
6064 2008-03-10  Richard Guenther  <rguenther@suse.de>
6065
6066         * tree-ssa-pre.c (get_sccvn_value): Simplify.
6067         (compute_avail): Do not add stmt uses to AVAIL_OUT.
6068
6069 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
6070
6071         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
6072         Set default to true.
6073
6074 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6075
6076         * c.opt (Wsynth): Deprecate.
6077         * doc/invoke.texi (Option Summary, Warning Options): Document
6078         -Wno-format-contains-nul.
6079
6080 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
6081
6082         PR target/35496
6083         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
6084         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
6085
6086 2008-03-09  Ira Rosen  <irar@il.ibm.com>
6087
6088         * config/rs6000/rs6000.c (builtin_description): Rename vector
6089         left shift operations.
6090         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
6091         (altivec_vsl<VI_char>): Rename to ...
6092         (ashl<mode>3): ... new name.
6093         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
6094         gen_ashlv4si3.
6095         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
6096
6097 2008-03-08  Richard Guenther  <rguenther@suse.de>
6098
6099         * coverage.h (tree_coverage_counter_addr): Declare.
6100         * coverage.c (tree_coverage_counter_addr): New function.
6101         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
6102         before using again.
6103         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
6104         (tree_gen_one_value_profiler): Likewise.
6105         (tree_gen_ic_profiler): Likewise.
6106         (tree_gen_average_profiler): Likewise.
6107         (tree_gen_ior_profiler): Likewise.
6108
6109 2008-03-08  Richard Guenther  <rguenther@suse.de>
6110
6111         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
6112         (vn_binary_op_insert): Likewise.
6113         (vn_unary_op_lookup): Likewise.
6114         (vn_unary_op_insert): Likewise.
6115         (vn_nary_op_lookup): Declare.
6116         (vn_nary_op_insert): Likewise.
6117         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
6118         and binary hashes, use a single obstack for unary_op_pool
6119         and binary_op_pool.
6120         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
6121         a single struct vn_nary_op_s.  Store tree code length and
6122         a variable number of operands.
6123         (struct vn_reference_op_struct): Remove unused op2.
6124         (vn_reference_op_eq): Do not compare op2.
6125         (vn_reference_op_compute_hash): Do not compute hash of op2.
6126         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
6127         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
6128         with vn_nary_op_compute_hash.
6129         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
6130         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
6131         vn_nary_op_lookup.
6132         (vn_unary_op_insert, vn_binary_op_insert): Replace with
6133         vn_nary_op_insert.
6134         (visit_unary_op): Call nary functions.
6135         (visit_binary_op): Likewise.
6136         (process_scc): Adjust for struct vn_tables_s changes.
6137         (allocate_vn_table): Likewise.
6138         (free_vn_table): Likewise.
6139         * tree-vn.c (vn_add): Call nary functions.
6140         (vn_lookup): Likewise.
6141
6142 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
6143
6144         PR target/35498
6145         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
6146         wdst back after sync_compare_and_swapqhi_internal.
6147
6148 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
6149
6150         PR target/22152
6151         * config/i386/i386-modes.def (V1DI): New vector mode.
6152         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
6153         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
6154         (MMXMODE248): Ditto.
6155         (MMXMODE): Add V1DI mode.
6156         (mmxvecsize): Change DI mode to V1DI mode.
6157         ("mov<mode>): Use MMXMODEI8 mode iterator.
6158         ("*mov<mode>_internal_rex64"): Ditto.
6159         ("*mov<mode>_internal"): Ditto.
6160         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
6161         ("mmx_sub<mode>3"): Ditto.
6162         ("mmx_adddi3"): Remove insn pattern.
6163         ("mmx_subdi3"): Ditto.
6164         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
6165         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
6166         ("mmx_ashl<mode>3"): Ditto.
6167         ("mmx_lshrdi3"): Remove insn pattern.
6168         ("mmx_ashldi3"): Ditto.
6169         * config/i386/i386.c (classify_argument): Handle V1DImode.
6170         (function_arg_advance_32): Ditto.
6171         (function_arg_32): Ditto.
6172         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
6173         mmx_addv1di3 insn pattern.
6174         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
6175         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
6176         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
6177         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
6178         Remove definitions of built-in functions.
6179         (V1DI_type_node): New node.
6180         (v1di_ftype_v1di_int): Ditto.
6181         (v1di_ftype_v1di_v1di): Ditto.
6182         (v2si_ftype_v2si_si): Ditto.
6183         (v4hi_ftype_v4hi_di): Remove node.
6184         (v2si_ftype_v2si_di): Ditto.
6185         (ix86_init_mmx_sse_builtins): Handle V1DImode.
6186         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
6187         Redefine builtins using def_builtin_const with *_ftype_*_int node.
6188         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
6189         Add new builtins using def_builtin_const.
6190         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
6191         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
6192         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
6193         * config/i386/mmintrin.h (__v1di): New typedef.
6194         (_mm_add_si64): Cast arguments to __v1di type.
6195         (_mm_sub_si64): Ditto.
6196         (_mm_sll_pi16): Cast __count to __v4hi type.
6197         (_mm_sll_pi32): Cast __count to __v2si type.
6198         (_mm_sll_si64): Cast arguments to __v1di type.
6199         (_mm_srl_pi16): Cast __count to __v4hi type.
6200         (_mm_srl_pi32): Cast __count to __v2si type.
6201         (_mm_srl_si64): Cast arguments to __v1di type.
6202         (_mm_sra_pi16): Cast __count to __v4hi type.
6203         (_mm_sra_pi32): Cast __count to __v2si type.
6204         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
6205         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
6206         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
6207         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
6208         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
6209         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
6210         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
6211         (_mm_srai_pi32): Use __builtin_ia32_psradi.
6212         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
6213         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
6214         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
6215         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
6216
6217 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
6218
6219         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
6220
6221 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
6222
6223         PR target/35373
6224         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
6225         reg+const addressing for Altivec modes.  Don't generate reg+reg
6226         addressing for TFmode or TDmode quantities.
6227
6228 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
6229
6230         * c-common.c (vector_types_convertible_p): Call langhook
6231         instead of comptypes.
6232
6233 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6234
6235         PR tree-opt/35402
6236         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
6237         integral and scalar float variables which have a
6238         NULL DECL_INITIAL.
6239
6240 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
6241
6242         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
6243         dwarf_register_span hook when emitting unwind information for
6244         register-to-memory saves.
6245         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
6246         (rs6000_frame_related): Remove call to spe_synthesize_frame.
6247
6248 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
6249
6250         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
6251         for the same VAR_DECL.
6252
6253 2008-03-06  Tom Tromey  <tromey@redhat.com>
6254
6255         * treelang: Delete.
6256         * doc/standards.texi (Standards): Don't mention treelang.
6257         * doc/invoke.texi (Overall Options): Don't mention treelang.
6258         * doc/install.texi (Prerequisites): Don't mention bison or
6259         treelang.
6260         (Configuration): Don't mention treelang.
6261         (Building): Likewise.
6262         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
6263
6264 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
6265
6266         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
6267         word-extractions out of a multi-word object.
6268
6269 2008-03-06  Richard Guenther  <rguenther@suse.de>
6270
6271         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
6272         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
6273         result type and precision.
6274         * expr.c (get_inner_reference): Set unsignedp based on the result
6275         type of BIT_FIELD_REF.
6276         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
6277         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
6278         (try_instantiate_multiple_fields): Likewise.  Use the correct type
6279         for BIT_FIELD_REF.
6280         (sra_build_assignment): Likewise.
6281         (sra_build_elt_assignment): Likewise.
6282         (sra_explode_bitfield_assignment): Likewise.
6283         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
6284         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
6285         set BIT_FIELD_REF_UNSIGNED.
6286         (vectorizable_load): Likewise.
6287
6288 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6289
6290         * cse.c (cse_extended_basic_block): Invalidate artificial defs
6291         at bb start.
6292
6293 2008-03-06  Richard Guenther  <rguenther@suse.de>
6294
6295         * alias.c (struct alias_set_entry): Move has_zero_child field
6296         to pack with alias_set.
6297
6298 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
6299
6300         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
6301         32bit host.
6302
6303 2008-03-05  Ian Lance Taylor  <iant@google.com>
6304
6305         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
6306
6307 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
6308
6309         * fwprop.c (update_df): Support width and offset parameters of
6310         df_ref_create.
6311         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
6312         global_conflicts): Change DF_REF_EXTRACT to either
6313         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
6314         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
6315         * df-scan.c (df_ref_record, df_defs_record,
6316         df_ref_create_structure, df_def_record_1, df_uses_record,
6317         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
6318         df_bb_refs_collect, df_entry_block_defs_collect,
6319         df_exit_block_uses_collect): Support new width and offset fields.
6320         (ref_extract_pool): New storage pool.
6321         (df_free_ref): New function.
6322         (df_reg_chain_unlink, df_free_collection_rec,
6323         df_sort_and_compress_refs): Call df_free_ref.
6324         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
6325         of df_ref_extract.
6326         (df_ref_create_structure): Allocate df_ref_extract if offset and
6327         width fields are used.
6328         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
6329         (df_uses_record): Get offset and width from ZERO_EXTRACT 
6330         and SIGN_EXTRACT.
6331         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
6332         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
6333         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
6334         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
6335         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
6336         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
6337         (df_ref_extract): New structure.
6338         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
6339         (df_ref_create): Add width and offset parameters.
6340         
6341 2008-03-05  Richard Guenther  <rguenther@suse.de>
6342
6343         * tree-ssa-structalias.c (get_constraint_for_component_ref):
6344         Use ranges_overlap_p.
6345         (offset_overlaps_with_access): Rename
6346         to ranges_overlap_p and move ...
6347         * tree-flow-inline.h (ranges_overlap_p): ... here.
6348
6349         * tree.h (get_inner_reference, handled_component_p): Update
6350         comments.
6351
6352         * tree.h (record_component_aliases, get_alias_set,
6353         alias_sets_conflict_p, alias_sets_must_conflict_p,
6354         objects_must_conflict_p): Move declarations ...
6355         * alias.h (record_component_aliases, get_alias_set,
6356         alias_sets_conflict_p, alias_sets_must_conflict_p,
6357         objects_must_conflict_p): ... here.
6358         Include coretypes.h.
6359         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
6360
6361 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
6362
6363         * cfg.c: Include tree-flow.h.
6364         (remove_edge_raw): Call redirect_edge_var_map_clear.
6365         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
6366         * tree-flow-inline.h (redirect_edge_var_map_def): New.
6367         (redirect_edge_var_map_result): New.
6368         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
6369         PENDING_STMT use with redirect_edge_var_map_*.
6370         * tree-ssa.c (edge_var_maps): New definition.
6371         (redirect_edge_var_map_add): New.
6372         (redirect_edge_var_map_clear): New.
6373         (redirect_edge_var_map_dup): New.
6374         (redirect_edge_var_map_vector): New.
6375         (redirect_edge_var_map_destroy): New.
6376         (ssa_redirect_edge): Replace PENDING_STMT use with
6377         redirect_edge_var_map_*.
6378         (flush_pending_stmts): Same.
6379         (delete_tree_ssa): Destroy edge var map.
6380         * tree-flow.h (struct _edge_var_map): New.
6381         Define edge_var_map vector type.
6382         Declare redirect_edge_var_map_* prototypes.
6383         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
6384         * tree-cfg.c (reinstall_phi_args): Replace
6385         PENDING_STMT use with redirect_edge_var_map_*.
6386
6387 2008-03-05  Richard Guenther  <rguenther@suse.de>
6388
6389         PR tree-optimization/35472
6390         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
6391         whose single use_stmt has a overlapping set of loaded and
6392         stored symbols as that use_stmt might be a noop assignment then.
6393
6394 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
6395
6396         * gthr-rtems.h: Implement __gthread_mutex_destroy.
6397
6398 2008-03-05  Richard Guenther  <rguenther@suse.de>
6399
6400         PR c++/35336
6401         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
6402         should be constants.
6403         * tree-cfg.c (verify_expr): Verify it.
6404         * fold-const.c (fold_truthop): Remove code generating
6405         BIT_FIELD_REFs of structure bases.
6406         (fold_binary): Likewise.
6407         (fold_ternary): Position and size of BIT_FIELD_REFs are
6408         always host integers.
6409         (make_bit_field_ref): Remove.
6410         (optimize_bit_field_compare): Remove.
6411         (all_ones_mask_p): Remove.
6412
6413 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
6414
6415         PR gcc/33009
6416         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
6417         (split_block_and_df_analyze): New. Split basic block and rebuild
6418         dataflow.
6419         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
6420         SPLIT_BLOCK.
6421         (split_pattern_seq): Likewise.
6422         (erase_matching_seqs): Likewise.
6423         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
6424
6425 2008-03-04  Geoff Keating  <geoffk@apple.com>
6426
6427         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
6428         declaration and code.
6429         (tree_invalid_nonnegative_warnv_p): Likewise.
6430
6431 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
6432
6433         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
6434         examples.  Truncate option-names then causing overfull hbox.
6435
6436 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6437
6438         PR target/35222
6439         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
6440         on hpux10.
6441         * configure: Rebuilt.
6442
6443 2008-03-04  Rafael Espindola  <espindola@google.com>
6444
6445         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
6446         (tree_unary_nonnegative_warnv_p): New.
6447         (tree_binary_nonnegative_warnv_p): New.
6448         (tree_single_nonnegative_warnv_p): New.
6449         (tree_invalid_nonnegative_warnv_p): New.
6450         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
6451
6452 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6453
6454         PR 28322
6455         * opts.c (handle_option): Postpone 'unknown option' errors only for
6456         warning options.
6457
6458 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
6459
6460         PR target/35453
6461         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
6462         (_SIDD_XXX): This.
6463
6464 2008-03-04  Rafael Espindola  <espindola@google.com>
6465
6466         * fold-const.c (tree_unary_nonzero_warnv_p): New.
6467         (tree_binary_nonzero_warnv_p): New.
6468         (tree_single_nonzero_warnv_p): New.
6469         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
6470
6471 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
6472
6473         PR middle-end/35456
6474         * fold-const.c (fold_cond_expr_with_comparison): Prevent
6475         transformations for modes that have signed zeros.
6476         * ifcvt.c (noce_try_abs): Ditto.
6477
6478 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
6479
6480         * config/i386/i386.c (override_options): Force
6481         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
6482
6483 2008-03-04  Jan Hubicka  <jh@suse.cz>
6484
6485         PR c++/35262
6486         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
6487         in last commit.
6488
6489 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
6490
6491         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
6492         label to probe the stack.
6493
6494 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
6495
6496         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
6497         (__gthr_win32_mutex_destroy): Declare.
6498         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
6499         __gthr_win32_mutex_destroy.
6500         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
6501
6502 2008-03-03  Jan Hubicka  <jh@suse.cz>
6503
6504         PR c++/35262
6505         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
6506         aggressive on inlining cold calls.
6507
6508 2008-03-03  Richard Guenther  <rguenther@suse.de>
6509
6510         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
6511         struct copies into the expression table.
6512         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
6513         (try_to_simplify): Likewise.
6514         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
6515         integral and pointer arguments which do not change the
6516         precision to NOP_EXPRs.
6517         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
6518         VIEW_CONVERT_EXPR case.
6519
6520 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
6521
6522         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
6523         defined in a loop at depth 0 is invariant.
6524         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
6525         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
6526         be called at loop depth 0.
6527
6528 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
6529
6530         PR driver/35420
6531         * gcc.c (process_command): Update copyright notice dates.
6532         * gcov.c (print_version): Likewise.
6533         * gcov-dump.c (print_version): Likewise.
6534         * mips-tfile.c (main): Likewise.
6535         * mips-tdump.c (main): Likewise.
6536
6537 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6538
6539         PR 24924
6540         * c-common.c (flag_permissive): Delete.
6541         (constant_expression_warnings): Check flags first.
6542         (constant_expression_error): New.
6543         * c-common.h (flag_permissive): Delete.
6544         (constant_expression_error): Declare.
6545         * flags.h (flag_permissive): Declare. Update description.
6546         * diagnostic.c (pedwarn): Update.
6547         (permerror): New.
6548         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
6549         (permissive_error_kind): New.
6550         * toplev.c (flag_permissive): Define. Update description.
6551         * toplev.h (permissive_error_kind): Declare.
6552         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
6553         (pedwarn_c90): Use pedantic_warning_kind.
6554         * c-opts.c (c_common_post_options): flag_permissive does not affect
6555         flag_pedantic_errors.
6556
6557 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
6558
6559         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
6560         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
6561         __absvsi2, __absvDI2): Use unsigned arithmetic.
6562
6563 2008-03-02  Andi Kleen  <ak@suse.de>
6564             Richard Guenther  <rguenther@suse.de>
6565
6566         * struct-equiv.c: Remove file.
6567         * cfg_cleanup.c (condjump_equiv_p): Remove.
6568         * Makefile.in (OBJS-common): Remove struct-equiv.o.
6569         (struct-equiv.o): Remove rule.
6570         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
6571         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
6572         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
6573
6574 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6575
6576         * ifcvt.c (noce_process_if_block): Try to handle only the then
6577         block if the else block exists but isn't suitable.
6578
6579 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
6580
6581         PR gcc/35063
6582         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
6583         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
6584         regression from previous patch.
6585
6586 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
6587
6588         PR gcc/35063
6589         * gthr.h: Add __gthread_mutex_destroy as a function that must be
6590         implemented.
6591         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
6592         * gthr-single.h (__gthread_mutex_destroy): Likewise.
6593         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
6594         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
6595         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
6596         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
6597         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
6598         (__gthread_mutex_destroy_function): Rename to
6599         __gthread_mutex_destroy.
6600         * gthr-dce.h (__gthread_mutex_destroy): Call
6601         pthread_mutex_destroy.
6602         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
6603         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
6604         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
6605
6606 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6607
6608         * df-scan.c (df_ref_chain_change_bb): Simplify.
6609         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
6610         set_block_for_insn if there's any change.
6611         * df.h ((df_insn_change_bb): Fix prototype.
6612         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
6613         df_insn_change_bb, don't call set_block_for_insn.
6614         * emit-rtl.c (reorder_insns): Likewise.
6615         * haifa-sched.c (move_insn): Likewise.
6616
6617 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6618
6619         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
6620
6621 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6622
6623         * tree-flow-inline.h (next_readonly_imm_use): Return
6624         NULL_USE_OPERAND_P after the end.
6625
6626 2008-03-01  Richard Guenther  <rguenther@suse.de>
6627
6628         PR tree-optimization/35411
6629         * tree-sra.c (sra_build_assignment): Split conversion to
6630         final type to a separate statement if we are not assigning
6631         to a register.
6632
6633 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
6634
6635         * fold-const.c (fold_convertible_p): Correct the logic to follow
6636         that in fold_convert().
6637
6638 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
6639
6640         PR c++/35315
6641         * tree-inline.c (build_duplicate_type): When we make a
6642         duplicate type, make it unique in the canonical types system.
6643
6644 2008-02-29  Tom Tromey  <tromey@redhat.com>
6645
6646         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
6647         input_file_stack_history, input_file_stack_restored): Remove.
6648         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
6649         * input.h (struct file_stack): Remove.
6650         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
6651         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
6652         Likewise.
6653         * diagnostic.h (struct diagnostic_context) <last_module>: Change
6654         type.
6655         (diagnostic_last_module_changed): Add 'map' argument.
6656         (diagnostic_set_last_function): Likewise.
6657         * diagnostic.c (undiagnostic_report_current_module): Iterate using
6658         line map, not input_file_stack.
6659         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
6660
6661 2008-02-29  Paul Brook  <paul@codesourcery.com>
6662
6663         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
6664
6665 2008-02-29  Paul Brook  <paul@codesourcery.com>
6666
6667         * config/arm/ieee754-df.S (muldf3): Use RET macros.
6668
6669 2008-02-29  Richard Guenther  <rguenther@suse.de>
6670
6671         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
6672         vn_lookup_or_add.
6673         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
6674         value for comparing for a store match.
6675         (simplify_unary_expression): Do nothing for SSA_NAMEs.
6676         (try_to_simplify): Do not do a full-blown reference lookup.
6677
6678 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
6679
6680         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
6681         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6682
6683         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
6684
6685 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
6686
6687         * tree-loop-linear.c (try_interchange_loops): Compare memory access
6688         strides against cache sizes.
6689
6690 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
6691
6692         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
6693         constant to fpul.
6694
6695 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
6696
6697         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
6698         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
6699         is smaller than the original promoted value.
6700         (simplify_subreg): If OP is a SUBREG, try to preserve its
6701         SUBREG_PROMOTED_VAR_P information.
6702
6703 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
6704
6705         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
6706         (VN_INFO_GET): Allocate new objects on the obstack.
6707         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
6708         for rpo_numbers_temp, for consistency.
6709         (free_scc_vn): Free the obstack.
6710
6711 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
6712
6713         * doc/invoke.texi: Document -ftree-loop-distribution.
6714         * tree-loop-distribution.c: New.
6715         * tree-pass.h (pass_loop_distribution): New.
6716         * graphds.h (struct graph): Add htab_t indices.
6717         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6718         * tree-vectorizer.c (rename_variables_in_loop): Extern.
6719         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
6720         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
6721         * tree-data-ref.c (debug_data_dependence_relations): New.
6722         (dump_data_dependence_relation): Also print data references.
6723         (free_data_ref): Extern.
6724         (same_access_functions): Moved...
6725         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
6726         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6727         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
6728         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
6729         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
6730         (stmts_from_loop): Skip LABEL_EXPR.
6731         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
6732         New.
6733         (build_rdg): Initialize rdg->indices htab.
6734         (free_rdg, stores_from_loop, ref_base_address,
6735         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
6736         have_similar_memory_accesses_1, ref_base_address_1,
6737         remove_similar_memory_refs): New.
6738         * tree-data-ref.h: Depend on tree-chrec.h.
6739         (debug_data_dependence_relations, free_data_ref): Declared.
6740         (same_access_functions): ... here.
6741         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
6742         New.
6743         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
6744         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
6745         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
6746         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6747         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
6748         rdg_vertex_for_stmt): Declared.
6749         (struct rdg_edge): Add level.
6750         (RDGE_LEVEL): New.
6751         (free_rdg, stores_from_loop, remove_similar_memory_refs,
6752         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
6753         Declared.
6754         (rdg_has_similar_memory_accesses): New.
6755         * tree-vect-analyze.c: Remove unused static decls.
6756         * lambda.h (dependence_level): New.
6757         * common.opt (ftree-loop-distribution): New.
6758         * tree-flow.h (mark_virtual_ops_in_bb, 
6759         slpeel_tree_duplicate_loop_to_edge_cfg,
6760         rename_variables_in_loop): Declared.
6761         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
6762         (OBJS-common): Add tree-loop-distribution.o.
6763         (tree-loop-distribution.o): New rule.
6764         * tree-cfg.c (mark_virtual_ops_in_bb): New.
6765         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
6766         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
6767
6768 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
6769
6770         PR target/33963
6771         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
6772         other than structures and unions.
6773
6774 2008-02-28  Richard Guenther  <rguenther@suse.de>
6775
6776         Revert:
6777         2008-02-26  Richard Guenther  <rguenther@suse.de>
6778
6779         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
6780         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
6781         (lookup_decl_from_uid): Declare.
6782         (remove_decl_from_map): Likewise.
6783         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
6784         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
6785         (decl_for_uid_map): New global hashtable mapping DECL_UID
6786         to the decl tree.
6787         (init_ttree): Allocate it.
6788         (insert_decl_to_uid_decl_map): New helper function.
6789         (make_node_stat): Insert new decls into the map.
6790         (copy_node_stat): Likewise.
6791         (lookup_decl_from_uid): New function.
6792         (remove_decl_from_map): Likewise.
6793         (print_decl_for_uid_map_statistics): New helper.
6794         (dump_tree_statistics): Call it.
6795
6796         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
6797         (referenced_var_iterator): Adjust.
6798         (FOR_EACH_REFERENCED_VAR): Adjust.
6799         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
6800         (num_referenced_vars): Adjust.
6801         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
6802         (first_referenced_var): Remove.
6803         (end_referenced_vars_p): Likewise.
6804         (next_referenced_var): Likewise.
6805         (referenced_var_iterator_set): New helper function.
6806         * tree-dfa.c (referenced_var_lookup): Adjust.
6807         (referenced_var_check_and_insert): Likewise.
6808         (remove_referenced_var): Likewise.
6809         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
6810         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
6811         (verify_call_clobbering): Likewise.
6812         (verify_memory_partitions): Likewise.
6813         (init_tree_ssa): Allocate bitmap instead of hashtable for
6814         referenced_vars.
6815         (delete_tree_ssa): Adjust.
6816         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
6817         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
6818         (compute_tag_properties): Likewise.
6819         (set_initial_properties): Likewise.
6820         (find_partition_for): Likewise.
6821         (update_reference_counts): Likewise.
6822         (dump_may_aliases_for): Likewise.
6823         * tree-ssa-operands.c (add_virtual_operand): Likewise.
6824         (add_call_clobber_ops): Likewise.
6825         (add_call_read_ops): Likewise.
6826         (get_asm_expr_operands): Likewise.
6827         * tree-into-ssa.c (dump_decl_set): Likewise.
6828         (update_ssa): Likewise.
6829         * tree-sra.c (scan_function): Likewise.
6830         (decide_instantiations): Likewise.
6831         (scalarize_parms): Likewise.
6832         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
6833         (dsa_named_for): Likewise.
6834         * tree-ssa-structalias.c (update_alias_info): Likewise.
6835         (merge_smts_into): Likewise.
6836
6837 2008-02-27  David Daney  <ddaney@avtrex.com>
6838
6839         PR target/34409
6840         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
6841         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
6842         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
6843         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
6844         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
6845
6846 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
6847
6848         PR target/25477
6849         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
6850         (BUILT_IN_NEXTTOWARD): Remove.
6851         (BUILT_IN_NEXTTOWARDF): Ditto.
6852         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
6853         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
6854
6855 2008-02-27  Tom Tromey  <tromey@redhat.com>
6856
6857         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
6858         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
6859
6860 2008-02-27  Jan Beulich  <jbeulich@novell.com>
6861
6862         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
6863         update the respective field on newdecl.
6864
6865 2008-02-27  Revital Eres  <eres@il.ibm.com>
6866
6867         PR rtl-optimization/34999
6868         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
6869         crossing edges that ends with a call insn.
6870         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
6871         call insn and clear the EDGE_CROSSING flag of the crossing edge
6872         when fixing fallthru edges.
6873
6874 2008-02-27  Richard Guenther  <rguenther@suse.de>
6875
6876         PR middle-end/35390
6877         * fold-const.c (fold_unary): Return the correct argument,
6878         converted to the result type.
6879
6880 2008-02-27  Richard Guenther  <rguenther@suse.de>
6881
6882         PR middle-end/34971
6883         * expr.c (expand_expr_real_1): Assert on rotates that operate
6884         on partial modes.
6885         * fold-const.c (fold_binary): Use the types precision, not the
6886         bitsize of the mode if folding rotate expressions.  Build rotates
6887         only for full modes.
6888
6889 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
6890
6891         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
6892         and CPP_PRAGMA_EOL.
6893         * c-pragma.c (pragma_ns_name): New typedef.
6894         (registered_pp_pragmas): New variable.
6895         (c_pp_lookup_pragma): New function.
6896         (c_register_pragma_1): If flag_preprocess_only, do nothing
6897         for non-expanded pragmas, for expanded ones push pragma's
6898         namespace and name into registered_pp_pragmas vector.
6899         (c_invoke_pragma_handler): Register OpenMP pragmas even when
6900         flag_preprocess_only, don't register GCC pch_preprocess
6901         pragma if flag_preprocess_only.
6902         * c-opts.c (c_common_init): Call init_pragma even if
6903         flag_preprocess_only.
6904         * c-pragma.c (c_pp_lookup_pragma): New prototype.
6905         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
6906         cpp_register_pragma if flag_preprocess_only.
6907
6908 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6909
6910         PR c/28800
6911         * c-parser.c (c_parser_translation_unit): Warn for empty
6912         translation unit, not empty source file.
6913
6914 2008-02-26  Paul Brook  <paul@codesourcery.com>
6915
6916         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
6917         operand for Thumb-2.
6918         * config/arm/arm.h (reg_class): Add CORE_REGS.
6919         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
6920         (BASE_REG_CLASS): Use CORE_REGS.
6921         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
6922         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
6923         (REGNO_OK_FOR_INDEX_P): Exclude SP.
6924         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
6925         ARM_REGNO_OK_FOR_INDEX_P.
6926         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
6927         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
6928         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
6929         (ldm/stm peepholes): Ditto.
6930         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
6931         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
6932         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
6933         * config/arm/constraints.md: Enable "k" constraint on ARM.
6934
6935 2008-02-27  Ben Elliston  <bje@au.ibm.com>
6936
6937         * config/rs6000/rs6000.c: Annotate cache line size field in all
6938         instances of struct processor_costs.
6939
6940 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
6941
6942         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
6943         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
6944         jump_bypass): New counters.
6945         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
6946         * dce.c (gate_ud_dce): Same.
6947         (gate_fast_dce): Same.
6948         * dse.c (gate_dse1): New function.
6949         (gate_dse2): New function.
6950         (gate_dse): Merge results of new gate functions.
6951         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
6952         (gate_handle_jump_bypass): Add dbg_cnt.
6953         (gate_handle_gcse): Add dbg_cnt.
6954         * ifcvt.c (gate_handle_if_conversion): Same.
6955         (gate_handle_if_after_combine): Same.
6956         (gate_handle_if_after_reload): Same.
6957         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
6958
6959 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
6960
6961         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
6962         line sizes.
6963         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
6964
6965 2008-02-26  Jason Merrill  <jason@redhat.com>
6966
6967         PR c++/35315
6968         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
6969         alone if it's the naming decl for the type's main variant.
6970
6971 2008-02-26  Tom Tromey  <tromey@redhat.com>
6972
6973         * system.h (USE_MAPPED_LOCATION): Poison.
6974         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
6975         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
6976         (make_goto_expr_edges): Likewise.
6977         (remove_bb): Likewise.
6978         (execute_warn_function_return): Likewise.
6979         * basic-block.h (struct edge_def) <goto_locus>: Change type to
6980         location_t.
6981         * c-common.c (fname_decl): Remove old location code.
6982         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
6983         location code.
6984         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
6985         variant.
6986         (ASM_INPUT_SOURCE_LOCATION): Likewise.
6987         (gen_rtx_ASM_INPUT): Likewise.
6988         (gen_rtx_ASM_INPUT_loc): Likewise.
6989         (get_rtx_asm_OPERANDS): Remove.
6990         * cfglayout.c (insn_locators_alloc): Remove old location code.
6991         (set_curr_insn_source_location): Likewise.
6992         (curr_insn_locator): Likewise.
6993         * print-tree.c (print_node): Remove old location code.
6994         * tree-mudflap.c (mf_varname_tree): Remove old location code.
6995         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
6996         * cfgexpand.c (expand_gimple_cond_expr): Don't use
6997         location_from_locus.
6998         (construct_exit_block): Remove old location code.
6999         * emit-rtl.c (force_next_line_note): Remove old location code.
7000         * profile.c (branch_prob): Remove old location code.
7001         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
7002         LOC_LINE): Remove old-location variants.
7003         * langhooks.c (lhd_print_error_function): Remove old location
7004         code.
7005         * configure, config.in: Rebuilt.
7006         * configure.ac (--enable-mapped-location): Remove.
7007         * c-decl.c (c_init_decl_processing): Remove old location code.
7008         (finish_function): Likewise.
7009         * recog.c (decode_asm_operands): Remove old location code.
7010         * c-pch.c (c_common_read_pch): Remove old location code.
7011         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
7012         variants.
7013         * gimple-low.c (lower_function_body): Remove old location code.
7014         * toplev.c (unknown_location): Remove.
7015         (push_srcloc): Remove old-location variant.
7016         (process_options): Remove old location code.
7017         (lang_dependent_init): Likewise.
7018         * input.h (UNKNOWN_LOCATION): Move definition.
7019         (location_t): Undeprecate.
7020         (source_locus): Remove.
7021         (location_from_locus): Remove.
7022         (struct location_s): Remove.
7023         Remove all old-location code.
7024         (input_line, input_filename): Remove.
7025         * final.c (final_scan_insn): Remove old location code.
7026         * diagnostic.c (diagnostic_build_prefix): Remove
7027         USE_MAPPED_LOCATION test.
7028         * tree.h (gimple_stmt) <locus>: Now a location_t.
7029         (tree_exp) <locus>: Likewise.
7030         (DECL_IS_BUILTIN): Remove old-location variant.
7031         (annotate_with_file_line, annotate_with_locus): Likewise.
7032         (expr_locus, set_expr_locus): Update.
7033         * tree.c (build1_stat): Remove old location code.
7034         (last_annotated_node): Remove.
7035         (annotate_with_file_line): Remove old-location variant.
7036         (annotate_with_locus): Likewise.
7037         (expr_location): Remove old location code.
7038         (set_expr_location): Likewise.
7039         (expr_has_location): Likewise.
7040         (expr_locus): Likewise.
7041         (set_expr_locus): Likewise.
7042         (expr_filename): Don't use location_from_locus.
7043         (expr_lineno): Likewise.
7044         * rtl-error.c (location_for_asm): Remove old location code.
7045         * c-lex.c (cb_line_change): Remove old location code.
7046         (fe_file_change): Likewise.
7047         (cb_def_pragma): Likewise.
7048         (c_lex_with_flags): Likewise.
7049         * gengtype.c (do_typedef): Don't special-case location types.
7050         (define_location_structures): Remove.
7051         (main): Don't call define_location_structures.
7052         * tree-pretty-print.c (dump_implicit_edges): Remove old location
7053         code.
7054
7055 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7056
7057         PR 26264
7058         * builtins.def (BUILT_IN_STDARG_START): Remove.
7059         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
7060         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
7061         * tree-inline.c (inline_forbidden_p_1): Likewise.
7062         
7063 2008-02-26  Richard Guenther  <rguenther@suse.de>
7064
7065         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7066         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7067         (lookup_decl_from_uid): Declare.
7068         (remove_decl_from_map): Likewise.
7069         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7070         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7071         (decl_for_uid_map): New global hashtable mapping DECL_UID
7072         to the decl tree.
7073         (init_ttree): Allocate it.
7074         (insert_decl_to_uid_decl_map): New helper function.
7075         (make_node_stat): Insert new decls into the map.
7076         (copy_node_stat): Likewise.
7077         (lookup_decl_from_uid): New function.
7078         (remove_decl_from_map): Likewise.
7079         (print_decl_for_uid_map_statistics): New helper.
7080         (dump_tree_statistics): Call it.
7081
7082         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7083         (referenced_var_iterator): Adjust.
7084         (FOR_EACH_REFERENCED_VAR): Adjust.
7085         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7086         (num_referenced_vars): Adjust.
7087         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7088         (first_referenced_var): Remove.
7089         (end_referenced_vars_p): Likewise.
7090         (next_referenced_var): Likewise.
7091         (referenced_var_iterator_set): New helper function.
7092         * tree-dfa.c (referenced_var_lookup): Adjust.
7093         (referenced_var_check_and_insert): Likewise.
7094         (remove_referenced_var): Likewise.
7095         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7096         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7097         (verify_call_clobbering): Likewise.
7098         (verify_memory_partitions): Likewise.
7099         (init_tree_ssa): Allocate bitmap instead of hashtable for
7100         referenced_vars.
7101         (delete_tree_ssa): Adjust.
7102         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7103         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7104         (compute_tag_properties): Likewise.
7105         (set_initial_properties): Likewise.
7106         (find_partition_for): Likewise.
7107         (update_reference_counts): Likewise.
7108         (dump_may_aliases_for): Likewise.
7109         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7110         (add_call_clobber_ops): Likewise.
7111         (add_call_read_ops): Likewise.
7112         (get_asm_expr_operands): Likewise.
7113         * tree-into-ssa.c (dump_decl_set): Likewise.
7114         (update_ssa): Likewise.
7115         * tree-sra.c (scan_function): Likewise.
7116         (decide_instantiations): Likewise.
7117         (scalarize_parms): Likewise.
7118         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7119         (dsa_named_for): Likewise.
7120         * tree-ssa-structalias.c (update_alias_info): Likewise.
7121         (merge_smts_into): Likewise.
7122
7123 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7124
7125         PR 34351
7126         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
7127         * c-opts.c (c_common_handle_option): Wall enables
7128         Wvolatile-register-var.
7129         * common.opt: Move Wvolatile-register-var to...
7130         * c.opt: ...here.
7131         
7132 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7133
7134         * common.opt (Wlarger-than=): New.
7135         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
7136         -Wlarger-than=.
7137         * opts.c (common_handle_option): Handle -Wlarger-than=.
7138         * optc-gen.awk: Likewise.
7139         * opth-gen.awk: Likewise.
7140         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
7141         * tree-optimize.c (tree_rest_of_compilation): Likewise.
7142         
7143 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7144
7145         * c-common.c (match_case_to_enum_1): Add appropriate
7146         OPT_W* parameter to warning.
7147         (c_do_switch_warnings): Likewise.
7148         * c-typeck.c (warning_init): Add one more parameter following
7149         'warning' function.
7150         (push_init_level): Update call to warning_init.
7151         (pop_init_level): Likewise.
7152         (add_pending_init): Likewise.
7153         (output_init_element: Likewise.
7154
7155 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7156
7157         PR 28322
7158         * toplev.c (toplev_main): If there are warnings or error, print
7159         errors for ignored options.
7160         * opts.c (ignored_options): New static variable.
7161         (postpone_unknown_option_error): New.
7162         (print_ignored_options): New.
7163         (handle_option): Postpone errors for unknown -Wno-* options.
7164         * opts.h (print_ignored_options): Declare.
7165         
7166 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
7167
7168         * config/mips/mips.md (loadgp_blockage, blockage): Change type
7169         to "ghost".
7170
7171 2008-02-25  Richard Guenther  <rguenther@suse.de>
7172
7173         Revert:
7174         2008-02-25  Richard Guenther  <rguenther@suse.de>
7175
7176         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7177         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7178         (lookup_decl_from_uid): Declare.
7179         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7180         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7181         (decl_for_uid_map): New global hashtable mapping DECL_UID
7182         to the decl tree.
7183         (init_ttree): Allocate it.
7184         (insert_decl_to_uid_decl_map): New helper function.
7185         (make_node_stat): Insert new decls into the map.
7186         (copy_node_stat): Likewise.
7187         (lookup_decl_from_uid): New function.
7188         (print_decl_for_uid_map_statistics): New helper.
7189         (dump_tree_statistics): Call it.
7190
7191         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7192         (referenced_var_iterator): Adjust.
7193         (FOR_EACH_REFERENCED_VAR): Adjust.
7194         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7195         (num_referenced_vars): Adjust.
7196         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7197         (first_referenced_var): Remove.
7198         (end_referenced_vars_p): Likewise.
7199         (next_referenced_var): Likewise.
7200         (referenced_var_iterator_set): New helper function.
7201         * tree-dfa.c (referenced_var_lookup): Adjust.
7202         (referenced_var_check_and_insert): Likewise.
7203         (remove_referenced_var): Likewise.
7204         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7205         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7206         (verify_call_clobbering): Likewise.
7207         (verify_memory_partitions): Likewise.
7208         (init_tree_ssa): Allocate bitmap instead of hashtable for
7209         referenced_vars.
7210         (delete_tree_ssa): Adjust.
7211         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7212         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7213         (compute_tag_properties): Likewise.
7214         (set_initial_properties): Likewise.
7215         (find_partition_for): Likewise.
7216         (update_reference_counts): Likewise.
7217         (dump_may_aliases_for): Likewise.
7218         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7219         (add_call_clobber_ops): Likewise.
7220         (add_call_read_ops): Likewise.
7221         (get_asm_expr_operands): Likewise.
7222         * tree-into-ssa.c (dump_decl_set): Likewise.
7223         (update_ssa): Likewise.
7224         * tree-sra.c (scan_function): Likewise.
7225         (decide_instantiations): Likewise.
7226         (scalarize_parms): Likewise.
7227         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7228         (dsa_named_for): Likewise.
7229         * tree-ssa-structalias.c (update_alias_info): Likewise.
7230         (merge_smts_into): Likewise.
7231
7232 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
7233
7234         PR fortran/29549
7235         * doc/invoke.texi (-fcx-limited-range): Document new option.
7236         * toplev.c (process_options): Handle -fcx-fortran-rules.
7237         * common.opt: Add documentation for -fcx-fortran-rules.
7238
7239 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
7240
7241         PR c/35162
7242         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
7243         actual behaviour and C99.
7244         
7245 2008-02-26  Ben Elliston  <bje@au.ibm.com>
7246
7247         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
7248         (ASM_CPU_POWER6_SPEC): Likewise.
7249         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
7250         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
7251         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
7252
7253 2008-02-25  Richard Guenther  <rguenther@suse.de>
7254
7255         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7256         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7257         (lookup_decl_from_uid): Declare.
7258         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7259         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7260         (decl_for_uid_map): New global hashtable mapping DECL_UID
7261         to the decl tree.
7262         (init_ttree): Allocate it.
7263         (insert_decl_to_uid_decl_map): New helper function.
7264         (make_node_stat): Insert new decls into the map.
7265         (copy_node_stat): Likewise.
7266         (lookup_decl_from_uid): New function.
7267         (print_decl_for_uid_map_statistics): New helper.
7268         (dump_tree_statistics): Call it.
7269
7270         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7271         (referenced_var_iterator): Adjust.
7272         (FOR_EACH_REFERENCED_VAR): Adjust.
7273         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7274         (num_referenced_vars): Adjust.
7275         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7276         (first_referenced_var): Remove.
7277         (end_referenced_vars_p): Likewise.
7278         (next_referenced_var): Likewise.
7279         (referenced_var_iterator_set): New helper function.
7280         * tree-dfa.c (referenced_var_lookup): Adjust.
7281         (referenced_var_check_and_insert): Likewise.
7282         (remove_referenced_var): Likewise.
7283         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7284         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7285         (verify_call_clobbering): Likewise.
7286         (verify_memory_partitions): Likewise.
7287         (init_tree_ssa): Allocate bitmap instead of hashtable for
7288         referenced_vars.
7289         (delete_tree_ssa): Adjust.
7290         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7291         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7292         (compute_tag_properties): Likewise.
7293         (set_initial_properties): Likewise.
7294         (find_partition_for): Likewise.
7295         (update_reference_counts): Likewise.
7296         (dump_may_aliases_for): Likewise.
7297         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7298         (add_call_clobber_ops): Likewise.
7299         (add_call_read_ops): Likewise.
7300         (get_asm_expr_operands): Likewise.
7301         * tree-into-ssa.c (dump_decl_set): Likewise.
7302         (update_ssa): Likewise.
7303         * tree-sra.c (scan_function): Likewise.
7304         (decide_instantiations): Likewise.
7305         (scalarize_parms): Likewise.
7306         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7307         (dsa_named_for): Likewise.
7308         * tree-ssa-structalias.c (update_alias_info): Likewise.
7309         (merge_smts_into): Likewise.
7310
7311 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
7312
7313         PR target/35258
7314         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
7315         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
7316         * alias.h (nonoverlapping_memrefs_p): Likewise.
7317
7318 2008-02-25  Jan Beulich  <jbeulich@novell.com>
7319
7320         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
7321         * config/i386/netware-libgcc.exp: Add __bswap?i2,
7322         __emultls_get_address, __emultls_register_common,
7323         __floatundi?f, and _Unwind_GetIPInfo.
7324         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
7325         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
7326         (gen_regparm_prefix): Likewise.
7327         (i386_nlm_encode_section_info): Sync with
7328         config/i386/winnt.c:i386_pe_encode_section_info().
7329         (i386_nlm_maybe_mangle_decl_assembler_name): New.
7330         i386_nlm_mangle_decl_assembler_name): New.
7331         (netware_override_options): New.
7332         * config/i386/netware.h (netware_override_options): Declare.
7333         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
7334         (i386_nlm_mangle_decl_assembler_name): Declare.
7335         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
7336
7337 2008-02-25  Ben Elliston  <bje@au.ibm.com>
7338
7339         PR other/32948
7340         * c-decl.c (grokdeclarator): Remove unused local variables
7341         `typedef_type' and `type_as_written'.
7342         * bb-reorder.c
7343         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
7344         unused local variable `has_hot_blocks'.
7345         (fix_crossing_conditional_branches): Remove unused local variable
7346         `prev_bb'.
7347         
7348 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
7349
7350         PR middle-end/19984
7351         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
7352         using DEF_C99_BUILTIN.
7353         (BUILT_IN_NANF): Ditto.
7354         (BUILT_IN_NANL): Ditto.
7355
7356 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
7357             Revital Eres  <eres@il.ibm.com>
7358
7359         * modulo-sched.c (calculate_must_precede_follow): Address TODO
7360         regarding the order of two dependent insns in the same row.
7361
7362 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
7363
7364         * stor-layout.c (layout_decl): Do not bump the alignment of a
7365         bit-field to more than byte alignment if it is packed.
7366
7367 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
7368
7369         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
7370         e300c2 and e300c3.
7371
7372 2008-02-24  Diego Novillo  <dnovillo@google.com>
7373
7374         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
7375
7376         PR 33738
7377         * tree-vrp.c (vrp_evaluate_conditional): With
7378         -Wtype-limits, emit a warning when comparing against a
7379         constant outside the natural range of OP0's type.
7380         * c.opt (Wtype-limits): Move ...
7381         * common.opt (Wtype-limits): ... here.
7382
7383 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
7384
7385         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
7386         * config/rs6000/e300c2c3.md: New file.
7387         * config/rs6000/rs6000.c (processor_costs): Add new costs for
7388         e300c2 and e300c3.
7389         (rs6000_override_options): Add e300c2 and e300c3 cases to
7390         processor_target_table. Do not allow usage of Altivec or Spe
7391         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
7392         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
7393         * config/rs6000/rs6000.h (processor_type): Add
7394         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
7395         (ASM_CPU_SPEC): Add e300c2 and e300c3.
7396         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
7397         and ppce300c3. Include e300c2c3.md.
7398
7399 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
7400
7401         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
7402         instead of TARGET_STRICT_ALIGN.
7403
7404 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
7405
7406         * explow.c (memory_address): Assert that the generated address is
7407         valid.
7408
7409 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
7410
7411         PR target/25477
7412         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
7413         * config/darwin-ppc-ldouble-patch.def: New file.
7414         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
7415         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
7416         SUBTARGET_INIT_BUILTINS if defined.
7417         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
7418         New functions.
7419
7420 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7421
7422         PR rtl-opt/33512
7423         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
7424         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
7425
7426 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7427
7428         PR pch/35027
7429         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
7430         file" warning condtional on -Winvalid-PCH.
7431
7432 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
7433
7434         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
7435
7436 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
7437
7438         PR target/22076
7439         PR target/34256 
7440         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
7441         prevent reload from using MMX registers.
7442         (*mov<mode>_internal): Ditto.
7443         (*movv2sf_internal_rex64): Ditto.
7444         (*movv2sf_internal): Ditto.
7445
7446 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7447
7448         PR documentation/31569
7449         * doc/install.texi2html: Use makeinfo --no-number-sections.
7450
7451 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
7452
7453         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
7454         ensure that we can address an entire entity > 8 bytes.  Don't
7455         generate reg+reg addressing for such data.
7456
7457 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
7458
7459         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
7460         strings when optimizing for size, unless the target cares about
7461         alignment.
7462
7463 2008-02-22  Tom Tromey  <tromey@redhat.com>
7464
7465         * regclass.c (current_pass): Remove declaration.
7466
7467 2008-02-22  Anatoly Sokolov <aesok@post.ru>
7468
7469         * config/avr/libgcc.S (__RAMPZ__): Define.
7470         (__do_copy_data): Add for devices with 128KB code memory.
7471
7472 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
7473
7474         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
7475         Use spe_abi.
7476         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
7477
7478 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
7479
7480         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
7481         GENNONACR_REGS.
7482
7483 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7484
7485         PR c/19999
7486         * c-typeck.c (build_binary_op): Warn about floating point
7487         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
7488
7489 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
7490
7491         PR target/34526
7492         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
7493         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
7494         add vrsave.
7495         (rs6000_override_options): Set altivec_abi as default, not override,
7496         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
7497         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
7498         is used; use new member spe_abi.
7499         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
7500         spe_abi and altivec_abi.
7501
7502 2008-02-22  Tomas Bily  <tbily@suse.cz>
7503
7504         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
7505
7506 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7507
7508         PR bootstrap/35273
7509         * config.build (build_file_translate): Set to `CMD //c' only if
7510         it works.
7511         * Makefile.in (build_file_translate): Improve comment.
7512
7513 2008-02-21  Jan Hubicka  <jh@suse.cz>
7514
7515         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
7516         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
7517         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
7518
7519 2008-02-21  Michael Matz  <matz@suse.de>
7520
7521         PR target/35264
7522         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
7523
7524 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
7525
7526         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
7527         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
7528         as insn constraint.
7529         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
7530         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
7531         SSE_VEC_FLOAT_MODE_P as insn constraint.
7532         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
7533         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
7534         sse4a_movntdf using MODEF mode iterator.
7535         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
7536         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
7537         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
7538         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
7539         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
7540         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
7541         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
7542
7543 2008-02-21  Richard Guenther  <rguenther@suse.de>
7544
7545         * tree.def (PAREN_EXPR): New tree code.
7546         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
7547         and PAREN_EXPR.
7548         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
7549         * expr.c (expand_expr_real_1): Likewise.
7550         * tree-inline.c (estimate_num_insns_1): Likewise.
7551         * tree-complex.c (expand_complex_move): Likewise.
7552         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
7553         as plain x.
7554
7555 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7556
7557         PR target/35225
7558         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
7559
7560 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7561
7562         PR target/35190
7563         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
7564
7565         * config/sh/sh.c (find_barrier): Don't go past
7566         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
7567
7568 2008-02-20  DJ Delorie  <dj@redhat.com>
7569
7570         * config/h8300/h8300.md (insv): Force source operand to be a register.
7571
7572         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
7573         as a jump, not as a plain insn.
7574         
7575 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
7576
7577         * doc/invoke.texi (Warning Options): Add new option
7578         -Wframe-larger-than=.
7579         (-Wframe-larger-than): Document.
7580
7581         * flags.h (warn_frame_larger_than, frame_larger_than_size):
7582         Add declarations for new option variables.
7583
7584         * final.c (final_start_function): Check the frame size
7585         before emission and issue a Wframe-larger-than warning.
7586
7587         * opts.c (warn_frame_larger_than, frame_larger_than_size):
7588         Add definitions for new option variables.
7589         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
7590
7591         * common.opt (Wframe-larger-than=): New option.
7592
7593 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
7594
7595         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
7596         (<sse>_div<mode>3): Ditto.
7597         (<sse>_vmdiv<mode>3): Ditto.
7598         (<sse>_vmsqrt<mode>2): Ditto.
7599         (*smax<mode>3): Ditto.
7600         (sse5_frcz<mode>2): Ditto.
7601         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
7602         as insn constraint.
7603
7604 2008-02-20  Richard Guenther  <rguenther@suse.de>
7605
7606         PR middle-end/35265
7607         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
7608         be happy with INTEGRAL_TYPE_P.
7609
7610 2008-02-20  Richard Guenther  <rguenther@suse.de>
7611
7612         * fold-const.c (split_tree): Associate floatig-point expressions
7613         if flag_associative_math is set.
7614
7615 2008-02-20  Richard Guenther  <rguenther@suse.de>
7616
7617         * tree.h (fold_real_zero_addition_p): Declare.
7618         * fold-const.c (fold_real_zero_addition_p): Export.
7619         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
7620         floating-point operations with zero and one.
7621
7622 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
7623
7624         * doc/install.texi: Correct references to CFLAGS, replacing them
7625         with BOOT_CFLAGS.  Document flags used during bootstrap for
7626         target libraries.
7627                                 
7628 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
7629
7630         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
7631         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
7632         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
7633         insn constraint.
7634         (smin<mode>3): Ditto from similar patterns.
7635         (smax<mode>3): Ditto.
7636         (*ieee_smin<mode>3): Ditto.
7637         (*ieee_smax<mode>3): Ditto.
7638         * config/i386/sse.md (sse): New mode attribute.
7639         (mov<mode>): Macroize expander from movv4sf and movv2df using
7640         SSEMODEF2P mode iterator.
7641         (<sse>_movnt<mode>): Ditto from similar patterns. Use
7642         SSE_VEC_FLOAT_MODE_P as insn constraint.
7643         (storent<mode>): Ditto.
7644         (storent<mode>): Macroize expander from storentsf and storentdf using
7645         MODEF mode iterator.
7646         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
7647         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
7648         (abs<mode>2): Ditto from similar patterns.
7649         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
7650         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
7651         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
7652         (<sse>_vmsqrt<mode>2): Ditto.
7653         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
7654         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
7655         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
7656         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
7657         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
7658         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
7659         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
7660         insn constraint.
7661         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
7662         iterator and SSE_FLOAT_MODE_P as insn constraint.
7663         (<sse>_ucomi): Ditto from similar patterns.
7664         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
7665         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
7666         SSE_VEC_FLOAT_MODE_P as insn constraint.
7667         (vcond<mode>): Ditto from similar patterns.
7668         (and<mode>3, *and<mode>3): Ditto.
7669         (<sse>_nand<mode>3): Ditto.
7670         (ior<mode>3, *ior<mode>3): Ditto.
7671         (xor<mode>3, *xor<mode>3): Ditto.
7672         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
7673         iterator and SSE_FLOAT_MODE_P as insn constraint.
7674         (*nand<mode>3): Ditto from similar patterns.
7675         (*ior<mode>3): Ditto.
7676         (*xor<mode>3): Ditto.
7677
7678 2008-02-20  Ira Rosen  <irar@il.ibm.com>
7679
7680         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
7681         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
7682         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
7683
7684 2008-02-19  Jan Hubicka  <jh@suse.cz>
7685
7686         * predict.c (tree_bb_level_predictions): Remove variable next
7687         mistakely introduced by previous commit.
7688
7689 2008-02-19  Jan Hubicka  <jh@suse.cz>
7690
7691         * predict.c (predict_paths_leading_to): Rewrite.
7692         (predict_paths_for_bb): New.
7693         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
7694
7695 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7696
7697         PR bootstrap/35218
7698         * Makefile.in (build_file_translate): New.
7699         (gcc-vers.texi): Use it for translating $(abs_srcdir).
7700         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
7701         * configure.ac (build_file_translate): Substitute it.
7702         * configure: Regenerate.
7703
7704 2008-02-19  Jan Hubicka  <jh@suse.cz>
7705
7706         PR rtl-optimization/34408
7707         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
7708         invalid sharing.
7709
7710 2008-02-19  Jan Hubicka  <jh@suse.cz>
7711
7712         PR middle-end/28779
7713         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
7714         call_expr.
7715
7716 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
7717
7718         PR Ada/35186
7719         * config/i386/i386-modes.def: Revert the last DI alignment
7720         change until Ada people can look into it.
7721
7722 2008-02-19  Nick Clifton  <nickc@redhat.com>
7723
7724         * opts.c (print_specific_help): Fix typo in --help text.
7725
7726 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
7727
7728         PR target/35239
7729         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
7730         32-bit inline asm without asm alternatives for host GCC < 3.0.
7731
7732 2008-02-19  Richard Guenther  <rguenther@suse.de>
7733
7734         PR tree-optimization/34989
7735         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
7736         Allow propagation to INDIRECT_REF if we can simplify only.
7737
7738 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7739
7740         * c-common.c (warn_for_collisions_1): Use appropriate option when
7741         warning.
7742
7743 2008-02-19  Nick Clifton  <nickc@redhat.com>
7744
7745         PR other/31349
7746         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
7747         (handle_options): Fix indentation.
7748         (print_filtered_help): If no language-specific options were
7749         displayed tell the user how to list all the options supported by
7750         the language's front-end.
7751         (print_specific_help): Fix indentation and remove duplicate line.
7752         (common_handle_option): Handle the -v option.
7753         For --help enable the display of undocumented options if the -v
7754         switch has been included on the command line.
7755         For --help= check for overlaps in the arguments between the option
7756         classes and the language names and issue a warning when they
7757         cannot be disambiguated.
7758         * c.opt (v): Pass on to the common option handler.
7759
7760 2008-02-19  Revital Eres  <eres@il.ibm.com> 
7761
7762         * modulo-sched.c (sms_schedule): Change dump message when
7763         create_ddg function fails.
7764         (try_scheduling_node_in_cycle): Rename row to cycle.
7765         (print_partial_schedule): Rename CYCLE to ROW.
7766
7767 2008-02-19  Christian Bruel  <christian.bruel@st.com>
7768             Zdenek Dvorak  <ook@ucw.cz>
7769
7770         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
7771
7772 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
7773
7774         PR target/33555
7775         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
7776         (*x86_movdicc_0_m1_se): Ditto.
7777
7778 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
7779
7780         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
7781         (CMPtype): Define as __gcc_CMPtype.
7782         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
7783         (CMPtype): Define as __gcc_CMPtype.
7784
7785 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
7786
7787         Support valgrind 3.3 for --enable-checking=valgrind.
7788         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
7789         here.
7790         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
7791         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
7792         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
7793         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
7794         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
7795         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
7796         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
7797         respectively.
7798         * ggc-zone.c: Similar.
7799         * ggc-page.c: Similar.
7800
7801 2008-02-19  Paul Brook  <paul@codesourcery.com>
7802
7803         PR target/35071
7804         * config/arm/ieee754-df.S: Fix do_it typo.
7805         * config/arm/ieee754-sf.S: Fix do_it typo.
7806
7807 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
7808
7809         PR target/35189
7810         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
7811         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
7812         (OPTION_MASK_ISA_SSE_SET): Likewise.
7813         (OPTION_MASK_ISA_SSE2_SET): Likewise.
7814         (OPTION_MASK_ISA_SSE3_SET): Likewise.
7815         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
7816         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
7817         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
7818         (OPTION_MASK_ISA_SSE4_SET): Likewise.
7819         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
7820         (OPTION_MASK_ISA_SSE5_SET): Likewise.
7821         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
7822         (OPTION_MASK_ISA_MMX_UNSET): Updated.
7823         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
7824         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
7825         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
7826         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
7827         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
7828         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
7829         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
7830         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
7831         (OPTION_MASK_ISA_SSE4): Removed.
7832         (ix86_handle_option): Turn on bits in ix86_isa_flags and
7833         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
7834         (override_options): Don't turn on implied SSE/MMX bits in
7835         ix86_isa_flags.
7836
7837 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
7838
7839         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
7840         32bit host.
7841
7842 2008-02-18  Joey Ye  <joey.ye@intel.com>
7843
7844         PR middle-end/34921
7845         * tree-nested.c (insert_field_into_struct): Set type alignment
7846         to field alignment if the former is less than the latter.
7847
7848 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
7849
7850         * BASE-VER: Set to 4.4.0.
7851
7852 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7853
7854         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
7855         * doc/cfg.texi: Likewise.
7856         * doc/extend.texi: Likewise.
7857         * doc/gty.texi: Likewise.
7858         * doc/invoke.texi: Likewise.
7859         * doc/loop.texi: Likewise.
7860         * doc/md.texi: Likewise.
7861         * doc/passes.texi: Likewise.
7862         * doc/rtl.texi: Likewise.
7863         * doc/sourcebuild.texi: Likewise.
7864         * doc/tm.texi: Likewise.
7865         * doc/tree-ssa.texi: Likewise.
7866
7867 2008-02-17  Richard Guenther  <rguenther@suse.de>
7868
7869         PR middle-end/35227
7870         * tree-complex.c (init_parameter_lattice_values): Handle parameters
7871         without default definition.
7872
7873 2008-02-17  Richard Guenther  <rguenther@suse.de>
7874
7875         PR tree-optimization/35231
7876         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
7877         if A | B != 1.
7878
7879 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
7880
7881         Revert:
7882         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
7883         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
7884         libgcc_cmp_return mode.
7885
7886 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7887
7888         PR c/28368
7889         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
7890
7891 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
7892
7893         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
7894         multilibs.
7895
7896 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7897
7898         * doc/c-tree.texi: Use `@.' where appropriate.
7899         * doc/extend.texi: Likewise.
7900         * doc/install.texi: Likewise.
7901         * doc/invoke.texi: Likewise.
7902         * doc/loop.texi: Likewise.
7903         * doc/makefile.texi: Likewise.
7904         * doc/md.texi: Likewise.
7905         * doc/passes.texi: Likewise.
7906         * doc/standards.texi: Likewise.
7907         * doc/tm.texi: Likewise.
7908
7909 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
7910
7911         PR middle-end/35196
7912         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
7913         in entry_bb.
7914         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
7915         rather than in entry_bb.
7916
7917 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
7918
7919         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
7920         libgcc_cmp_return mode.
7921
7922 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
7923
7924         PR middle-end/35130
7925         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
7926         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
7927
7928 2008-02-15  Richard Guenther  <rguenther@suse.de>
7929             Zdenek Dvorak  <ook@ucw.cz>
7930
7931         PR tree-optimization/35164
7932         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
7933         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
7934         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
7935         Only propagate addresses which do not have abnormal SSA_NAMEs
7936         in their operands.
7937
7938 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
7939
7940         PR target/35088
7941         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
7942
7943 2008-02-15  Jan Hubicka  <jh@suse.cz>
7944
7945         PR middle-end/35149
7946         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
7947
7948 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
7949
7950         PR middle-end/34621
7951         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
7952         when calculating alignment_pad.
7953
7954 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
7955
7956         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
7957         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
7958         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
7959         and STACK_BOUNDARY define.
7960
7961 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
7962
7963         PR preprocessor/35061
7964         * c-pragma.c (handle_pragma_pop_macro): Check that
7965         pushed_macro_table has been allocated.
7966
7967 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
7968
7969         PR middle-end/35136
7970         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
7971         (force_gimple_operand): Likewise.
7972         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
7973         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
7974         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
7975         (find_interesting_uses_address): Check addressability and alignment
7976         of the base expression only after substituting bases of IVs into it.
7977
7978 2008-02-14  Michael Matz  <matz@suse.de>
7979
7980         PR target/34930
7981         * function.c (instantiate_virtual_regs_in_insn): Reload address
7982         before falling back to reloading the whole operand.
7983
7984 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
7985
7986         * config/s390/s390.c (s390_mainpool_start): Emit the pool
7987         before the first section switch note.
7988
7989 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7990
7991         * doc/bugreport.texi: Update copyright years.
7992         * doc/c-tree.texi: Likewise.
7993         * doc/cfg.texi: Likewise.
7994         * doc/cpp.texi: Likewise.
7995         * doc/cppinternals.texi: Likewise.
7996         * doc/fragments.texi: Likewise.
7997         * doc/frontends.texi: Likewise.
7998         * doc/gcc.texi: Likewise.
7999         * doc/gty.texi: Likewise.
8000         * doc/hostconfig.texi: Likewise.
8001         * doc/implement-c.texi: Likewise.
8002         * doc/libgcc.texi: Likewise.
8003         * doc/loop.texi: Likewise.
8004         * doc/makefile.texi: Likewise.
8005         * doc/options.texi: Likewise.
8006         * doc/passes.texi: Likewise.
8007         * doc/rtl.texi: Likewise.
8008         * doc/sourcebuild.texi: Likewise.
8009         * doc/standards.texi: Likewise.
8010         * doc/tree-ssa.texi: Likewise.
8011         * doc/trouble.texi: Likewise.
8012
8013         * doc/extend.texi: Use @: or add comma where appropriate.
8014         * doc/invoke.texi: Likewise.
8015         * doc/tm.texi: Likewise.
8016
8017 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
8018
8019         PR target/34393
8020         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
8021         to a reg.
8022
8023 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
8024
8025         * doc/md.texi (clz, ctz): Add reference.
8026         * doc/rtl.texi (clz, ctz): Likewise.
8027
8028 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8029
8030         PR other/35148
8031         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
8032         srcdir.
8033
8034 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
8035
8036         * config/s390/s390.c (struct constant_pool): New field
8037         emit_pool_after added.
8038         (s390_mainpool_start): Set the emit_pool_after flag according
8039         to the section switch notes.
8040         (s390_mainpool_finish): Consider emit_pool_after when emitting
8041         the literal pool at the end of the function.
8042         (s390_chunkify_start): Force literal pool splits at section
8043         switch notes.
8044
8045 2008-02-13  Michael Matz  <matz@suse.de>
8046
8047         PR debug/35065
8048         * var-tracking.c (clobber_variable_part): Correctly traverse the
8049         list.
8050
8051 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8052
8053         PR 29673
8054         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
8055         Add -fdump-ipa-inline.
8056         * tree-dump.c (dump_files): Remove tree-inlined dump.
8057         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
8058         
8059 2008-02-12  Richard Guenther  <rguenther@suse.de>
8060
8061         PR tree-optimization/35171
8062         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
8063         default defs.
8064
8065 2008-02-12  Richard Guenther  <rguenther@suse.de>
8066
8067         PR middle-end/35163
8068         * fold-const.c (fold_widened_comparison): Use get_unwidened in
8069         value-preserving mode.  Disallow final truncation.
8070
8071 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8072
8073         PR middle-end/35136
8074         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
8075         code from here to...
8076         (force_gimple_operand): ...here.
8077
8078 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
8079
8080         PR c++/35144
8081         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
8082         non-compatible pointers.
8083         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
8084         different FIELD_DECLs, try harder by comparing field offsets, sizes
8085         and types.
8086
8087         PR inline-asm/35160
8088         * function.c (match_asm_constraints_1): Don't replace the same input
8089         multiple times.
8090
8091 2008-02-12  Anatoly Sokolov <aesok@post.ru>
8092
8093         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
8094         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
8095         (expand_epilogue): Restore RAMPZ register.
8096         * config/avr/avr.md (RAMPZ_ADDR): New constant.
8097
8098 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
8099
8100         * config/i386/cygwin.asm: (__alloca): Correct calling
8101         convention and alignment.
8102         (__chkstk): Force 8 byte stack alignment.
8103
8104 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
8105             Richard Guenther  <rguenther@suse.de>
8106
8107         PR tree-optimization/33992
8108         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
8109         the zero we compare against.
8110
8111 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
8112
8113         PR libfortran/35063
8114         * gthr-win32.h (__gthread_mutex_destroy_function): New function
8115         to CloseHandle after unlocking to prevent accumulation of handle
8116         count.
8117
8118 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8119
8120         PR middle_end/34150
8121         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
8122         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
8123         and update LABEL_NUSES during and after reload.
8124
8125 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
8126
8127         PR middle-end/34627
8128         * combine.c (simplify_if_then_else): Make sure the comparison is
8129         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
8130
8131 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
8132
8133         PR bootstrap/35051
8134         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
8135         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
8136         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
8137         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
8138         * tree.h (get_type_static_bounds): Likewise.
8139
8140 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8141
8142         * doc/invoke.texi (Option Summary, C++ Dialect Options)
8143         (Objective-C and Objective-C++ Dialect Options, Warning Options):
8144         Make -Wfoo language annotations match what the compiler outputs.
8145
8146 2008-02-08  Sa Liu  <saliu@de.ibm.com>
8147
8148         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
8149         intrinsics spu_convts, spu_convtu, spu_convtf.
8150
8151 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
8152
8153         * doc/extend.texi (Function Attributes) <noinline>: Mention
8154         asm ("") as method to keep calls.
8155
8156 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8157
8158         PR other/32754
8159         * doc/options.texi (Options): Replace references to opts.sh with
8160         optc-gen.awk.
8161         * opts-common.c: Likewise.
8162         * optc-gen.awk: Likewise.
8163         
8164 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
8165
8166         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
8167
8168 2008-02-07  Richard Henderson  <rth@redhat.com>
8169
8170         PR rtl-opt/33410
8171         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
8172         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
8173         funny mode.
8174
8175 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
8176
8177         PR tree-optimization/35085
8178         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
8179         for operand entry oe2 in addition to operand entry oe3 in order to
8180         expose more opportunities for vectorizer sum reduction.
8181
8182 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8183
8184         PR other/35107
8185         * Makefile.in (LIBS): Remove $(GMPLIBS).
8186         (cc1-dummy, cc1): Add $(GMPLIBS).
8187
8188 2008-02-06  Jan Hubicka  <jh@suse.cz>
8189
8190         PR target/23322
8191         * i386.md (moddf_integer): Do not produce partial memory stalls for
8192         targets where it hurts.
8193
8194 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
8195
8196         PR target/35083
8197         * optabs.c (expand_float): Do not check for decimal modes when
8198         expanding unsigned integer through signed conversion.
8199
8200 2008-02-06  Nick Clifton  <nickc@redhat.com>
8201
8202         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
8203         inside the clobber with a match_operand and duplicated operand
8204         number in the constraint.
8205         (ineqbranchsi): Delete redundant comment.
8206
8207 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
8208
8209         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
8210         builtin_define ("__USE_INIT_FINI__").
8211         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
8212         -msx multilibs.
8213         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
8214
8215 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8216
8217         PR documentation/30330
8218         * doc/invoke.texi (C++ Dialect Options)
8219         (Objective-C and Objective-C++ Dialect Options, Warning Options):
8220         For each warning option -Wfoo that allows -Wno-foo, ensure both
8221         -Wfoo and -Wno-foo are listed in the option index.  Fix index
8222         entry of -Wswitch-default, index -Wnormalized= including the
8223         `=', and -Wlarger-than-@var{len} including @var{len}.
8224
8225 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
8226
8227         * config/i386/i386.md (floatunssisf2): Use
8228         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
8229         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
8230         Macroize expander using MODEF mode iterator.
8231
8232 2008-02-05  Diego Novillo  <dnovillo@google.com>
8233
8234         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
8235
8236         PR 33738
8237         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
8238
8239 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8240
8241         PR other/35070
8242         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
8243
8244 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
8245
8246         PR target/35084
8247         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
8248         to indicate if a message should be generated.
8249         (init_cumulative_args): Updated.
8250         (function_value_32): Likewise.
8251
8252 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
8253
8254         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
8255
8256 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
8257
8258         PR target/35083
8259         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
8260         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
8261
8262 2008-02-04  Diego Novillo  <dnovillo@google.com>
8263
8264         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
8265
8266         PR 33738
8267         * tree-vrp.c (vrp_evaluate_conditional): With
8268         -Wtype-limits, emit a warning when comparing against a
8269         constant outside the natural range of OP0's type.
8270
8271 2008-02-04  Richard Guenther  <rguenther@suse.de>
8272
8273         PR middle-end/33631
8274         * expr.c (count_type_elements): Give for unions instead of
8275         guessing.
8276
8277 2008-02-04  Richard Guenther  <rguenther@suse.de>
8278
8279         PR middle-end/35043
8280         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
8281         to TYPE_DOMAINs base type instead of using bitsizetype here.
8282
8283 2008-02-03  Jason Merrill  <jason@redhat.com>
8284
8285         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
8286
8287 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8288
8289         PR other/29972
8290         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
8291         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
8292         (RS/6000 and PowerPC Options): Fix typos and markup.
8293         * doc/passes.texi (Tree-SSA passes): Likewise.
8294
8295 2008-02-02  Michael Matz  <matz@suse.de>
8296
8297         PR target/35045
8298         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
8299         from record_last_reg_set_info.
8300         (record_last_reg_set_info): Take an RTX argument, iterate over all
8301         constituent hardregs.
8302         (record_last_set_info, record_opr_changes): Change calls to
8303         new signature or to record_last_reg_set_info_regno.
8304
8305 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
8306
8307         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
8308
8309 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
8310
8311         PR rtl-optimization/34773
8312         * reg-notes.def (EQUAL): Mention significance of combination of
8313         REG_EQUAL and REG_RETVAL.
8314         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
8315         insn that has a REG_RETVAL.
8316
8317 2008-02-01  Roger Sayle  <roger@eyesopen.com>
8318
8319         PR bootstrap/33781
8320         * configure.ac (--enable-fixed-point): Disable unless explicitly
8321         requested on IRIX.
8322         * configure: Regenerate.
8323
8324 2008-02-01  Richard Guenther  <rguenther@suse.de>
8325
8326         PR other/35042
8327         * invoke.texi (-finline-limit): Remove no longer true parts
8328         of the documentation.  Note that there is no default value.
8329
8330 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
8331             Mark Mitchell  <mark@codesourcery.com>
8332             Ben Elliston  <bje@au.ibm.com>
8333
8334         PR c/29326
8335         * doc/extend.texi (Other Builtins): Document.
8336
8337 2008-01-31  Tom Browder <tom.browder@gmail.com>
8338
8339         * doc/c-tree.texi (Types): Fix grammar.
8340         (Expression trees): Ditto.
8341         * doc/passes.texi (Tree-SSA passes): Ditto.
8342         
8343         * doc/configterms.texi (Configure Terms): Fix typo.
8344         * doc/cpp.texi (Common Predefined Macros): Ditto.
8345         * doc/md.texi (Machine Constraints): Ditto.
8346         
8347         * doc/makefile.texi (Makefile): Add comma.
8348
8349 2008-01-31  Tom Browder  <tom.browder@gmail.com>
8350             Gerald Pfeifer  <gerald@pfeifer.com>
8351         
8352         * doc/sourcebuild.texi (Front End): Remove references to CVS
8353         and CVSROOT/modules.
8354         (Texinfo Manuals): Replace reference to CVS by one to SVN.
8355         (Back End): Remove reference to CVS.
8356
8357 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
8358
8359         PR target/34900
8360         * config/mips/mips.c (gen_load_const_gp): New function, taking a
8361         comment from...
8362         (mips16_gp_pseudo_reg): ...here.
8363         * config/mips/mips.md (load_const_gp): Replace with...
8364         (load_const_gp_<mode>): ...this :P-based insn.
8365
8366 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8367
8368         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
8369         options. Minor fixes.
8370         (-std): Move reference to standards closer to where language
8371         standards are first mentioned.
8372         
8373 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
8374
8375         PR rtl-optimization/34995
8376         * reload.c (alternative_allows_const_pool_ref): Take an rtx
8377         parameter and return a bool.  If the rtx parameter is nonnull,
8378         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
8379         (find_reloads): Update call accordingly.  Pass the new operand
8380         if it needed no address reloads, otherwise pass null.
8381
8382 2008-01-30  Richard Henderson  <rth@redhat.com>
8383
8384         PR c/34993
8385         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
8386         for unbounded arrays.
8387
8388 2008-01-30  Silvius Rus  <rus@google.com>
8389
8390         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
8391
8392 2008-01-30  Jan Hubicka  <jh@suse.cz>
8393
8394         PR target/34982
8395         * i386.c (init_cumulative_args): Use real function declaration when
8396         calling locally.
8397
8398 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
8399
8400         PR rtl-optimization/34998
8401         * global.c (build_insn_chain): Treat non-subreg_lowpart
8402         SUBREGs of pseudos as clobbering all the words covered by the
8403         SUBREG, not just all the bytes.
8404         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
8405         original df_ref rather than an extract parameter.
8406         (global_conflicts): Update call accordingly.
8407
8408 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
8409
8410         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
8411         the overflow check to make it easier to read.
8412         (__fixtfdi): Change the type of the ll member in union
8413         long_double to UDItype_x.
8414
8415 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
8416
8417         PR middle-end/34969
8418         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
8419         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
8420         * tree-inline.c (fold_marked_statements): Call
8421         cgraph_update_edges_for_call_stmt if folding a call statement.
8422         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
8423         debug_generic_stmt calls, reset it back afterwards.
8424
8425         PR c/35017
8426         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
8427         static decls.
8428         * c-typeck.c (build_external_ref): Don't pedwarn about
8429         static vars in current function's scope.
8430
8431 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
8432
8433         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
8434
8435 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
8436
8437         PR c/35002
8438         * ipa-struct-reorg.c: Fix spelling.
8439         * params.def: Ditto.
8440
8441 2008-01-29  Richard Guenther  <rguenther@suse.de>
8442
8443         PR middle-end/35006
8444         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
8445         field.
8446         * tree-inline.c (remap_type): Increment remapping_type_depth
8447         around remapping types.
8448         (copy_body_r): Only add referenced variables if they are referenced
8449         from code, not types.
8450
8451 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
8452
8453         PR c++/34055
8454         PR c++/34103
8455         PR c++/34219
8456         PR c++/34606
8457         PR c++/34753
8458         PR c++/34754
8459         PR c++/34755
8460         PR c++/34919
8461         PR c++/34961
8462         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
8463         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
8464
8465 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
8466
8467         PR target/34412
8468         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
8469         pointer for tiny stack.
8470
8471 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
8472
8473         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
8474
8475 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
8476
8477         * config/vx-common.h: Fix typo in comment.
8478
8479 2008-01-28  Ian Lance Taylor  <iant@google.com>
8480
8481         PR c++/34862
8482         PR c++/33407
8483         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
8484         coalesce pointers if they have different DECL_NO_TBAA_P values.
8485         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
8486         between variables with different DECL_NO_TBAA_P values.
8487
8488 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
8489
8490         PR 31535
8491         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
8492         are not legitimate small data references on SPE targets.
8493
8494 2008-01-28  David Daney  <ddaney@avtrex.com>
8495
8496         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
8497
8498 2008-01-28  David Daney  <ddaney@avtrex.com>
8499
8500         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
8501
8502 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
8503
8504         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
8505         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
8506         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
8507         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
8508         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
8509         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
8510         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
8511         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
8512
8513 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
8514
8515         * basic-block.h (condjump_equiv_p): Fix comment.
8516
8517 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
8518
8519         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
8520         print_generic_stmt_indented): Fix comment.
8521
8522 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
8523
8524         * configure.ac (__stack_chk_fail): Add detecion for availability
8525         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
8526         * configure: Regenerate.
8527
8528 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
8529
8530         PR middle-end/34688
8531         * final.c (output_addr_const): Handle TRUNCATE.
8532
8533 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
8534
8535         PR target/34711
8536         * tree-ssa-loop-ivopts.c (comp_cost): New type.
8537         (zero_cost, infinite_cost): New constants.
8538         (struct cost_pair): Change type of cost to comp_cost.
8539         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
8540         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
8541         New functions.
8542         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
8543         split_address_cost, ptr_difference_cost, difference_cost,
8544         get_computation_cost_at, get_computation_cost,
8545         determine_use_iv_cost_generic, determine_use_iv_cost_address,
8546         determine_use_iv_cost_condition, determine_use_iv_costs,
8547         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
8548         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
8549         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
8550         Change type of cost to comp_cost.
8551         (determine_iv_cost): Increase cost of non-original ivs, instead
8552         of decreasing the cost of original ones.
8553         (get_address_cost): Indicate the complexity of the addressing mode 
8554         in comp_cost.
8555         (try_add_cand_for): Prefer using ivs not specific to some object.
8556         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
8557
8558 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
8559             Janis Johnson  <janis187@us.ibm.com>
8560
8561         PR target/34814
8562         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
8563         (TARGET_INSTANTIATE_DECLS): Likewise.
8564         * target.h (expand_to_rtl_hook): New target hook.
8565         (instantiate_decls): Likewise.
8566         * function.c (instantiate_decl): Make non-static.  Rename to...
8567         (instantiate_decl_rtl): ... this.
8568         (instantiate_expr): Use instantiate_decl_rtl.
8569         (instantiate_decls_1): Likewise.
8570         (instantiate_decls): Likewise.
8571         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
8572         * function.h (instantiate_decl_rtl): Add prototype.
8573         * cfgexpand.c (target.h): New include.
8574         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
8575         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
8576         (TARGET_INSTANTIATE_DECLS): Likewise.
8577         (TARGET_INITIALIZER): New target hooks added.
8578         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
8579         New prototype.
8580         * config/rs6000/rs6000.c (tree-flow.h): New include.
8581         (machine_function): Add sdmode_stack_slot field.
8582         (rs6000_alloc_sdmode_stack_slot): New function.
8583         (rs6000_instantiate_decls): Likewise.
8584         (rs6000_secondary_memory_needed_rtx): Likewise.
8585         (rs6000_check_sdmode): Likewise.
8586         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
8587         (TARGET_INSTANTIATE_DECLS): Likewise.
8588         (rs6000_hard_regno_mode_ok): Allow SDmode.
8589         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
8590         (rs6000_emit_move): Handle SDmode.
8591         (function_arg_advance): Likewise.
8592         (function_arg): Likewise.
8593         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
8594         SDmode var args for 32-bit compiles.
8595         (rs6000_secondary_reload_class): Handle SDmode.
8596         (rs6000_output_function_epilogue): Likewise.
8597         (rs6000_function_value): Simplify if statement.
8598         (rs6000_libcall_value): Likewise.
8599         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
8600         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
8601         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
8602         (movsd_hardfloat): New define_insn.
8603         (movsd_softfloat): Likewise.
8604         (movsd_store): Likewise.
8605         (movsd_load): Likewise.
8606         (extendsddd2): Likewise.
8607         (extendsdtd2): Likewise.
8608         (truncddsd2): Likewise.
8609         (movdd_hardfloat64): Fixup comment.
8610         (UNSPEC_MOVSD_LOAD): New constant.
8611         (UNSPEC_MOVSD_STORE): Likewise.
8612
8613 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
8614
8615         PR c++/34965
8616         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
8617         TRUTH_XOR_EXPR.
8618         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
8619         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
8620         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
8621         and TRUTH_XOR_EXPR.
8622
8623 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
8624
8625         PR target/34794
8626         * config.gcc: Separate AIX 5.3 from AIX 6.1.
8627         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
8628         __LONGDOUBLE128 too.
8629         * config/rs6000/aix61.h: New file.
8630
8631 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
8632
8633         PR rtl-optimization/34959
8634         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
8635         popcount and parity rtxes the same mode as their operand.
8636         Truncate or extend the result to the return value's mode
8637         if necessary.
8638
8639 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
8640
8641         PR target/34981
8642         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
8643         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
8644         to GOT_VERSION_REGNUM.
8645         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
8646         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
8647         * config/mips/mips.c (mips_emit_call_insn): New function.
8648         (mips_call_tls_get_addr): Call mips_expand_call directly.
8649         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
8650         emit_call_insn.
8651         (mips16_build_call_stub): Likewise.  Return the call insn or null.
8652         (mips_expand_call): Update the call to mips16_build_call_stub
8653         accordingly and a remove redundant condition.  Assert that MIPS16
8654         stubs do not use lazy binding.  Use mips_emit_call_insn and return
8655         the call insn.
8656         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
8657         TARGET_USE_GOT.
8658         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
8659         (mips_avoid_hazard): Remove hazard_set handling.
8660         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
8661         (UNSPEC_RESTORE_GP): ...this.
8662         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
8663         (FAKE_CALL_REGNO): Rename to...
8664         (GOT_VERSION_REGNUM): ...this.
8665         (type): Add "ghost" value.  Add an associated insn reservation.
8666         (hazard_set): Remove.
8667         (exception_receiver): Rename to...
8668         (restore_gp): ...this and update the unspec identifier accordingly.
8669         (exception_receiver, nonlocal_got_receiver): New expanders.
8670         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
8671         FAKE_CALL_REGNO.  Remove hazard_set attribute.
8672         (set_got_version, update_got_version): New patterns.
8673
8674 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
8675
8676         PR target/34970
8677         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
8678
8679 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
8680
8681         PR other/31955
8682         * doc/install.texi2html: Generate gcc-vers.texi.
8683
8684 2008-01-25  DJ Delorie  <dj@redhat.com>
8685
8686         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
8687
8688 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
8689
8690         * config/c4x: Remove directory.
8691         * config.gcc (crx-*, mt-*): Mark obsolete.
8692         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
8693         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
8694         sh-*-rtemscoff*): Remove cases.
8695         * defaults.h (C4X_FLOAT_FORMAT): Remove.
8696         * real.c (encode_c4x_single, decode_c4x_single,
8697         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
8698         c4x_extended_format): Remove.
8699         * real.h (c4x_single_format, c4x_extended_format): Remove.
8700         * doc/extend.texi (interrupt, naked): Remove mention of attributes
8701         on C4x.
8702         (Pragmas): Remove comment about c4x pragmas.
8703         * doc/install.texi (c4x): Remove target-specific instructions.
8704         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
8705         * doc/md.texi (Machine Constraints): Remove C4x documentation.
8706         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
8707         refer to C4x source files as examples.
8708         (C4X_FLOAT_FORMAT): Remove documentation.
8709
8710 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
8711
8712         * config/bfin/bfin.c (override_options): Reorder tests so that
8713         flag_pic gets enabled for -msep-data.
8714
8715 2008-01-25  Richard Guenther  <rguenther@suse.de>
8716
8717         PR middle-end/32244
8718         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
8719         to its bitfield precision if required.
8720
8721 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
8722
8723         PR middle-end/33880
8724         * tree-nested.c (walk_omp_for): New function.
8725         (convert_nonlocal_reference, convert_local_reference): Call
8726         walk_omp_for on OMP_FOR.
8727         (convert_call_expr): Call walk_body on OMP_FOR's
8728         OMP_FOR_PRE_INIT_BODY.
8729
8730 2008-01-25  Richard Guenther  <rguenther@suse.de>
8731
8732         PR tree-optimization/34966
8733         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
8734         default defs and PHI_NODEs we have to insert after the
8735         defining statement.
8736
8737 2008-01-24  Nick Clifton  <nickc@redhat.com>
8738
8739         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
8740         Provide a default definition.
8741         (LIBGCC2_UNITS_PER_WORD): Likewise.
8742
8743         * config/stormy16/stormy16.c: Include df.h for the prototype
8744         for df_regs_ever_live_p.
8745         (xstormy16_expand_builtin_va_start): Convert the stack offset
8746         into a component_ref and then use POINTER_PLUS_EXPR to add it
8747         to the incoming_virtual_args_rtx.
8748         (xstormy16_gimplify_va_arg_expr): Rename to
8749         xstormy16_gimplify_va_arg_expr.
8750         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
8751         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
8752         xstormy16_gimplify_va_arg_expr.
8753         Fix up some formatting issues.
8754
8755         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
8756         Move to predicates.md.
8757         (xs_hi_general_operand): Likewise.
8758         (xs_hi_nonmemory_operand): Likewise.
8759         * config/stormy16/predicates.md:
8760         (xstormy16_carry_plus_operand): New predicate.
8761         (xs_hi_general_operand): New predicate.
8762         (xs_hi_nonmemory_operand): New predicate.
8763         * config/stormy16/stormy16-protos.h:
8764         (xstormy16_carry_plus_operand): Delete prototype.
8765         (xs_hi_general_operand): Likewise.
8766         (xs_hi_nonmemory_operand): Likewise.
8767
8768         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
8769         modifiers as they are no longer needed and they can trigger
8770         reload spill failures.
8771
8772         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
8773         with a match_operand in order to help reload.
8774
8775         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
8776         constraint with 'e' for the 8th alternative as this version of
8777         the mov.w instruction only accepts the lower 8 registers.
8778
8779 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
8780
8781         PR target/34856
8782         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
8783         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
8784         vector elements.
8785
8786 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
8787
8788         PR middle-end/33333
8789         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
8790
8791 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
8792
8793         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
8794         New functions.
8795         (remove_structure): Update allocations list before removing structure.
8796         
8797 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
8798
8799         * ipa-struct-reorg.c (is_safe_cond_expr, 
8800         create_new_stmts_for_cond_expr): Use integer_zerop function,
8801         that recognize not only zero-pointer, but zero-integer too.
8802
8803 2008-01-25  Ben Elliston  <bje@au.ibm.com>
8804
8805         PR other/22232
8806         * fixproto: Escape "." in sed expression that strips leading "./".
8807
8808 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
8809
8810         PR driver/34904
8811         * gcc.c (SWITCH_OK): Removed.
8812         (SWITCH_LIVE): Changed to bit.
8813         (SWITCH_FALSE): Likewise.
8814         (SWITCH_IGNORE): Likewise.
8815         (switchstr): Change live_cond to unsigned int.
8816         (process_command): Replace SWITCH_OK with 0.
8817         (do_self_spec): Likewise.
8818         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
8819         (give_switch): Likewise.
8820         (used_arg): Likewise.
8821         (do_spec_1): Set the SWITCH_IGNORE bit.
8822         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
8823         bits.  Set the SWITCH_LIVE bit.
8824
8825 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8826
8827         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
8828
8829 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
8830
8831         PR tree-optimization/34472
8832         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
8833         parameter to a "bool *" and set *DATA to false if there is
8834         an unsafe access.  Do not delete the structure here.
8835         (check_cond_exprs): Delete it here instead.
8836         (check_cond_exprs, exclude_cold_structs): Do not increase
8837         I when removing a structure.
8838
8839 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
8840
8841         PR target/34856
8842         * config/i386/i386.c (ix86_expand_vector_init): Consider only
8843         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
8844
8845 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
8846
8847         PR middle-end/34934
8848         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
8849         a fixed vector for stack.
8850
8851 2008-01-24  Ben Elliston  <bje@au.ibm.com>
8852
8853         PR c++/25701
8854         * doc/gcc.texi (Software development): Add a direntry for g++.
8855         
8856 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
8857
8858         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
8859         stale and straggling -fforce-addr comments above.
8860
8861         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
8862         define.
8863         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
8864         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
8865
8866 2008-01-23  Michael Matz  <matz@suse.de>
8867
8868         PR debug/34895
8869         * dwarf2out.c (force_type_die): Use modified_type_die instead of
8870         gen_type_die.
8871
8872 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
8873
8874         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
8875         malloc result type.
8876
8877 2008-01-23 Anatoly Sokolov <aesok@post.ru>
8878
8879         * config/avr/avr.c (avr_current_arch): New variable.
8880         (avr_arch_types): Add 'avr31' and 'avr51' entries.
8881         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
8882         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
8883         (avr_override_options): Init 'avr_current_arch'. 
8884         (base_arch_s): Move from here...
8885         * config/avr/avr.h (base_arch_s): ... here. Add new members 
8886         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
8887         'mega' to 'have_jmp_call'.
8888         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
8889         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
8890         macros.
8891         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
8892         architectures.
8893         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
8894         MULTILIB_MATCHES): (Ditto.).
8895
8896 2008-01-23  Richard Guenther  <rguenther@suse.de>
8897
8898         PR middle-end/31529
8899         * cgraphunit.c (cgraph_reset_node): Always mark the node
8900         not reachable if it is not queued already.
8901
8902 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
8903
8904         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
8905         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
8906         (cputype_selected): New static variable.
8907         (bfin_handle_option): Set it if -mcpu is used.
8908         (override_option): Select default set of workarounds if no cpu type
8909         selected on the command line.
8910         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
8911
8912         From  Michael Frysinger  <michael.frysinger@analog.com>
8913         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
8914         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
8915
8916         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
8917         for bf547, bf523, bf524, and bf526.
8918         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
8919         bf526.
8920         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8921         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
8922         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
8923         __ADSPBF547__ and __ADSPBF54x__ for bf547.
8924         * doc/invoke.texi (Blackfin Options): Document that
8925         -mcpu now accept bf547, bf523, bf524, and bf526.
8926
8927 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
8928
8929         PR rtl-optimization/34628
8930         * combine.c (try_combine): Stop and undo after the first combination
8931         if an autoincrement side-effect on the first insn has effectively
8932         been lost.
8933
8934 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
8935
8936         PR target/34529
8937         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
8938         Offset addresses are not valid for Altivec or paired float modes.
8939
8940 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
8941
8942         PR c++/34607
8943         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
8944         if DECL_INITIAL (decl) is error_mark_node.
8945
8946         PR c++/34914
8947         * c-common.c (handle_vector_size_attribute): Only allow
8948         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
8949         the same way as pointer, array etc. types.
8950         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
8951
8952         PR c++/34917
8953         * tree.c (build_type_attribute_qual_variant): Call
8954         build_qualified_type if attributes are equal, but quals are not.
8955
8956 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8957
8958         PR 32102
8959         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
8960         * flags.h (warn_strict_aliasing): Remove.
8961         (warn_strict_overflow): Remove.
8962         * opts.c (warn_strict_aliasing): Remove.
8963         (warn_strict_overflow): Remove.
8964         * c-opts.c (c_common_handle_option): -Wall only sets
8965         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
8966         (c_common_post_options): Give default values to -Wstrict-aliasing
8967         and -Wstrict-overflow if they are uninitialized.
8968         * common.opt (Wstrict-aliasing): Specify Var and Init.
8969         (Wstrict-overflow): Likewise.
8970
8971 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
8972
8973         PR rtl-optimization/26854
8974         PR rtl-optimization/34400
8975         PR rtl-optimization/34884
8976         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
8977         DF_RD->gen.
8978         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
8979         (df_rd_bb_info.expanded_lr_out): Deleted
8980         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
8981         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
8982         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
8983         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
8984         Removed code to allocate, initialize or free expanded_lr_out.
8985         (df_rd_bb_local_compute_process_def): Restructured to make more
8986         understandable.
8987         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
8988         sets if the sets are being trimmed.
8989
8990 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
8991
8992         PR bootstrap/32287
8993         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
8994         (as_vers): Likewise.
8995         * configure: Regenerated.
8996
8997 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8998
8999         PR middle-end/33092
9000         * tree-pass.h (pass_build_alias): New pass.
9001         * tree-ssa-alias.c (gate_build_alias): New.
9002         (pass_build_alias): New.
9003         * passes.c (init_optimization_passes): Add pass_build_alias after
9004         pass_create_structure_vars.
9005
9006 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
9007
9008         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
9009         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
9010         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
9011         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
9012         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
9013         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
9014         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
9015         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
9016         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
9017         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
9018         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
9019         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
9020         * config/s390/s390.md (FP_ALL): New mode iterator.
9021         (_d): New mode attribute.
9022         ("*signbit<mode>2>"): Changed mode of first operand.
9023         ("isinf<mode>2"): Changed mode of first operand.
9024         ("*TDC_insn"): Adaptation for DFP modes.
9025
9026 2008-01-22  Ben Elliston  <bje@au.ibm.com>
9027
9028         * tree.c (check_qualified_type): Improve function description.
9029
9030 2008-01-21  Jason Merrill  <jason@redhat.com>
9031
9032         PR c++/34196
9033         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
9034         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
9035         if it is set.
9036
9037 2008-01-21  DJ Delorie  <dj@redhat.com>
9038
9039         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
9040         return zero.
9041
9042 2008-01-21  Richard Guenther  <rguenther@suse.de>
9043
9044         PR middle-end/34856
9045         * tree-cfg.c (verify_expr): Allow all invariant expressions
9046         instead of just constant class ones as reference argument.
9047         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
9048         like any other constant.
9049         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
9050
9051 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
9052
9053         * regmove.c (fixup_match_1): Update call crossed frequencies.
9054
9055 2008-01-21  Richard Guenther  <rguenther@suse.de>
9056
9057         PR c/34885
9058         * tree-inline.c (setup_one_parameter): Deal with mismatched
9059         types using a VIEW_CONVERT_EXPR.
9060
9061 2008-01-21  Alon Dayan  <alond@il.ibm.com>
9062             Olga Golovanevsky  <olga@il.ibm.com>
9063         
9064         PR tree-optimization/34701
9065         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
9066         when the structure size is not a power of 2.
9067
9068 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
9069
9070         * doc/install.texi: Add doc for --enable-checking=df.
9071         
9072 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9073
9074         PR rtl-optimization/34808
9075         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
9076
9077 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
9078
9079         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
9080         input.
9081
9082 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
9083
9084         PR rtl-optimization/26854
9085         PR rtl-optimization/34400
9086         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
9087         DF_RD->gen.
9088         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
9089         (df_rd_bb_info.expanded_lr_out): New.
9090         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
9091         * loop_iv.c (iv_analysis_loop_init): Ditto.
9092         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
9093         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
9094         Added code to allocate, initialize or free expanded_lr_out.
9095         (df_rd_bb_local_compute_process_def): Restructured to make
9096         more understandable.
9097         (df_rd_confluence_n): Add code to do nothing with fake edges and
9098         code to no apply invalidate_by_call sets if the sets are being trimmed.
9099         (df_lr_local_finalize): Renamed to df_lr_finalize.
9100         (df_live_local_finalize): Renamed to df_live_finalize.
9101
9102 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
9103
9104         PR target/34831
9105         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
9106         deciding whether to use reciprocal instructions.
9107
9108 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
9109
9110         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
9111         dwarf2out_note_section_used if cold_text_section is NULL.
9112
9113 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
9114
9115         PR gcov-profile/34610
9116         * tree-cfg.c (make_edges): Mark both outgoing edges from
9117         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
9118         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
9119         from OMP_FOR and OMP_CONTINUE outgoing edges.
9120
9121         * tree-profile.c (tree_profiling): Return early if
9122         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
9123         at the end.
9124         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
9125         from cfun to child_cfun.
9126         * function.h (struct function): Add after_tree_profile bit.
9127
9128 2008-01-19 Anatoly Sokolov <aesok@post.ru>
9129
9130         * config/avr/avr.S (_exit): Disable interrupt.
9131
9132 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
9133             Steven Bosscher  <stevenb.gcc@gmail.com>
9134
9135         PR rtl-optimization/26854
9136         PR rtl-optimization/34400
9137         * df-problems.c (df_live_scratch): New scratch bitmap.
9138         (df_live_alloc): Allocate df_live_scratch when doing df_live.
9139         (df_live_reset): Clear the proper bitmaps.
9140         (df_live_bb_local_compute): Only process the artificial defs once
9141         since the order is not important.
9142         (df_live_init): Init the df_live sets only with the variables
9143         found live by df_lr.
9144         (df_live_transfer_function): Use the df_lr sets to prune the
9145         df_live sets as they are being computed.  
9146         (df_live_free): Free df_live_scratch.
9147
9148 2008-01-18  Ian Lance Taylor  <iant@google.com>
9149
9150         * common.opt: Add fmerge-debug-strings.
9151         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
9152         flag_merge_debug_strings rather than flag_merge_constants.
9153         * doc/invoke.texi (Option Summary): Mention
9154         -fmerge-debug-strings.
9155         (Debugging Options): Document -fmerge-debug-strings.
9156
9157 2008-01-18  Ian Lance Taylor  <iant@google.com>
9158
9159         PR c++/33407
9160         * tree.h (DECL_IS_OPERATOR_NEW): Define.
9161         (struct tree_function_decl): Add new field operator_new_flag.
9162         * tree-inline.c (expand_call_inline): When inlining a call to
9163         operator new, force the return value to go into a variable, and
9164         set DECL_NO_TBAA_P on that variable.
9165         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
9166
9167 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
9168
9169         PR debug/34484
9170         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
9171         DWARF2_DEBUGGING_INFO.
9172         (dwarf2out_note_section_used): Ditto.  Add prototype.
9173         (have_multiple_function_sections, text_section_used,
9174         cold_text_section_used, *cold_text_sections): Move declarations
9175         before their uses.
9176
9177 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
9178
9179         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
9180         field and add signal_ra.
9181         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
9182         assignments to frame state pc.  Move end of stack check after
9183         MD_FALLBACK_FRAME_STATE_FOR.
9184         (uw_update_context_1): Use frame state signal_regs if set, instead
9185         of checking signal_frame flag.
9186         (uw_update_context): Use frame state signal_ra if set.
9187         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
9188         * config/xtensa/linux-unwind.h: New file.
9189
9190 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
9191
9192         * modulo-sched.c (get_sched_window): Fix comment typo.
9193
9194 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
9195
9196         PR tree-optimization/34648
9197         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
9198
9199 2008-01-17  Anatoly Sokolov <aesok@post.ru>
9200
9201         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
9202         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
9203
9204 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
9205
9206         PR rtl-optimization/34400
9207         * df-core.c (df_worklist_dataflow_overeager,
9208         df_worklist_dataflow_doublequeue): New functions.
9209         (df_worklist_dataflow): Two different worklist solvers.
9210         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
9211         New param.
9212
9213 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9214
9215         PR testsuite/34821
9216         * doc/invoke.texi: Document the dependence on pthread for fopenmp
9217         and ftree-parallelize-loops.
9218
9219 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
9220
9221         PR rtl-optimization/34826
9222         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
9223
9224 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
9225
9226         * global.c (find_reg): Mark the eh regs as used if necessary.
9227         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
9228         * ra.h (struct allocno): no_eh_reg field added.  Changed
9229         no_stack_reg type to bitfield.
9230
9231 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
9232
9233         * tree.c (substitute_in_expr): Add missing 'break'.
9234
9235 2008-01-17  Richard Guenther  <rguenther@suse.de>
9236
9237         PR tree-optimization/34825
9238         * tree-ssa-math-opts.c (is_division_by): Do not recognize
9239         x / x as division to handle.
9240
9241 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9242
9243         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
9244         "-pthread" is specified.
9245         * pa-hpux11.h (LIB_SPEC): Likewise.
9246
9247 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
9248             Peter Bergner  <bergner@vnet.ibm.com>
9249
9250         PR rtl-optimization/33796
9251         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
9252
9253 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9254
9255         PR libgfortran/34699
9256         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
9257         static links.
9258         * pa-hpux10.h (LINK_SPEC): Likewise.
9259         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
9260
9261 2008-01-16  Richard Guenther  <rguenther@suse.de>
9262
9263         PR middle-end/32628
9264         * fold-const.c (fold_convert_const_int_from_int): Do not
9265         set overflow if that occured only because of a sign extension
9266         change when converting from/to a sizetype with the same
9267         precision and signedness.
9268
9269 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
9270
9271         PR debug/34249
9272         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
9273         location address to the correct place.  Update copyright year.
9274
9275 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9276
9277         * lambda-code.c (lambda_transform_legal_p): Handle the case of
9278         no dependences in the dependence_relations vector.
9279
9280 2008-01-16  Jan Hubicka  <jh@suse.cz>
9281
9282         PR rtl-optimization/31396
9283         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
9284         * cfg.c (dump_reg_info): Print it.
9285         * regs.h (struct reg_info_t): add freq_calls_crossed.
9286         (REG_FREQ_CALLS_CROSSED): New macro.
9287         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
9288         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
9289         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
9290         regmove_optimize): Update call crossed frequencies.
9291         * local-alloc.c (struct qty): Add freq_calls_crossed.
9292         (alloc_qty): Copute freq_calls_crossed.
9293         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
9294         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
9295         * ra.h (struct allocno): Add freq_calls_crossed.
9296
9297 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9298
9299         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
9300         libgomp when compiling with ftree-parallelize-loops.
9301         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
9302
9303 2008-01-16  Richard Guenther  <rguenther@suse.de>
9304
9305         PR tree-optimization/34769
9306         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
9307         * tree.c (int_cst_value): Instead make this function more
9308         permissive in what it accepts as valid input.  Document this
9309         function always sign-extends the value.
9310
9311 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
9312             Richard Guenther  <rguenther@suse.de>
9313
9314         PR c/34668
9315         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
9316         (gimple_fold_indirect_ref_rhs): ... this.
9317         (gimple_fold_indirect_ref): New function with foldings
9318         that preserve lvalueness.
9319         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
9320         * tree-flow.h (gimple_fold_indirect_ref): Declare.
9321         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
9322         to fold an INDIRECT_REF, fall back to the old use of
9323         fold_indirect_ref_1.
9324
9325 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9326
9327         * tree-data-ref.c (subscript_dependence_tester_1): Call 
9328         free_conflict_function.
9329         (compute_self_dependence): Same.
9330
9331 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
9332
9333         PR debug/34249
9334         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
9335         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
9336         function global.
9337         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
9338         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
9339         for DWARF2_UNWIND_INFO targets.
9340
9341 2008-01-16  Richard Guenther  <rguenther@suse.de>
9342
9343         PR c/34768
9344         * c-typeck.c (common_pointer_type): Do not merge inconsistent
9345         type qualifiers for function types.
9346
9347 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
9348
9349         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
9350         loop_iterator li from previous commit.
9351
9352 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
9353
9354         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
9355
9356 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
9357
9358         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
9359         (parallelize_loops): Don't parallelize irreducible components.
9360
9361 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9362
9363         PR c++/24924
9364         * c-opts (c_common_post_options): Do not enable CPP
9365         flag_pedantic_errors by default.
9366         
9367 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
9368
9369         PR rtl-optimization/31944
9370         * cse.c (remove_pseudo_from_table): New function.
9371         (merge_equiv_classes): Use above function to remove pseudo-registers.
9372         (invalidate): Likewise.
9373
9374 2008-01-13  Richard Guenther  <rguenther@suse.de>
9375
9376         PR middle-end/34601
9377         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
9378         instead of TYPE_MODE to deal with calls from expand_one_error_var.
9379
9380 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
9381
9382         * gcse.c (cprop_jump): Call validate_unshare_change instead of
9383         validate_change to unshare the source of the PC set.
9384
9385 2008-01-12  Jan Hubicka  <jh@suse.cz>
9386
9387         PR middle-end/32135
9388         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
9389         references above array bounds.  This might trigger bounds checks for
9390         pointers to arrays.
9391
9392 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
9393
9394         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
9395         new_replaceable_dependencies.
9396
9397 2008-01-12  Doug Kwan  <dougkwan@google.com>
9398
9399         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
9400         instead of OPT_Wreturn_type in warning due to ignored return type
9401         qualifiers.
9402         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
9403         options included in -Wextra.
9404         * c.opt: New option -Wignored_qualifiers.
9405         * doc/invoke.texi (Warning Options, -Wextra): Add new option
9406         -Wignore_qualifiers.
9407         (-Wignored-qualifiers): Document.
9408         (-Wreturn-type): Remove description of functionality now handled
9409         by -Wignored-qualifiers.
9410
9411 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
9412
9413         PR ada/33788
9414         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
9415         NOP_EXPR if it is between integral types with the same precision.
9416
9417 2008-01-12  Jan Hubicka  <jh@suse.cz>
9418
9419         PR other/28023
9420         * invoke.texi (max-inline-recursive-depth): Fix default value.
9421
9422 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
9423
9424         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
9425         correct type.
9426
9427 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
9428         
9429         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
9430         
9431 2008-01-11  James E. Wilson  <wilson@specifix.com>
9432
9433         PR target/26015
9434         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
9435
9436 2008-01-11  Anatoly Sokolov <aesok@post.ru>
9437
9438         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
9439         save/restore frame pointer register and don't use 'call-prologues' 
9440         optimization in function with "OS_task" attribute.
9441
9442 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
9443
9444         PR middle-end/31309
9445         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
9446         when copying to memory.
9447
9448 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
9449
9450         PR rtl-optimization/30905
9451         * cfgcleanup.c: Include dce.h
9452         (crossjumps_occured): New global variable.
9453         (try_crossjump_bb): Exit loop after finding a fallthru edge.
9454         If something changed, set crossjumps_occured to true.
9455         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
9456         Don't add/remove fake edges to exit here...
9457         (cleanup_cfg): ...but do it here, when crossjumping.
9458         Run a fast DCE when successful crossjumps occured in the latest
9459         iteration of try_optimize_cfg.
9460
9461 2008-01-11  Richard Guenther  <rguenther@suse.de>
9462
9463         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
9464         (struct vn_unary_op_s): Likewise.
9465         (vn_reference_insert): Free old reference on hash collision.
9466
9467 2008-01-10  Raksit Ashok  <raksit@google.com>
9468
9469         PR rtl-optimization/27971
9470         * combine.c (find_split_point): Split PLUS expressions which are
9471         inside a MEM rtx, and whose first operand is complex.
9472
9473 2008-01-10  DJ Delorie  <dj@redhat.com>
9474
9475         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
9476         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
9477         (m32c_hard_regno_ok): Call the underlying function.
9478
9479 2008-01-10  Richard Guenther  <rguenther@suse.de>
9480
9481         PR middle-end/34683
9482         * tree-cfg.c (tree_merge_blocks): Do not go through the
9483         full-blown folding and stmt updating path if we just deal
9484         with virtual operands.
9485         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
9486         test for abnormal SSA_NAMEs.
9487
9488 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
9489
9490         PR middle-end/34641
9491         * reload.c (push_reload): Add assertions.  All constants from
9492         reg_equiv_constant should have been used for replacing the respective
9493         pseudo earlier.
9494         (find_reloads_address): Invoke find_reloads_address_part for
9495         constant taken from the reg_equiv_constant array.
9496
9497 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
9498
9499         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
9500         field (valnum) the first in the struct.  Replace bools with
9501         unit bit fields.
9502
9503 2008-01-10  Richard Guenther  <rguenther@suse.de>
9504
9505         PR tree-optimization/34651
9506         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
9507         types and ordering for masking and converting.
9508
9509 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
9510
9511         PR tree-optimization/34017
9512         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
9513         also for PHI_NODE expressions.
9514
9515 2008-01-09  Jan Hubicka  <jh@suse.cz>
9516
9517         PR tree-optimization/34708
9518         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
9519         based on number of case labels.
9520         (init_inline_once): Remove switch_cost.
9521         * tree-inline.h (eni_weights_d): Remove switch_cost.
9522
9523 2008-01-09  Richard Guenther  <rguenther@suse.de>
9524         Andrew Pinski  <andrew_pinski@playstation.sony.com>
9525
9526         PR middle-end/30132
9527         * gimplify.c (gimplify_cond_expr): Do not create an addressable
9528         temporary if an rvalue is ok or an lvalue is not required.
9529
9530 2008-01-09  Richard Guenther  <rguenther@suse.de>
9531
9532         PR middle-end/34458
9533         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
9534         adjust return type.
9535
9536 2008-01-09  Richard Guenther  <rguenther@suse.de>
9537
9538         PR middle-end/34679
9539         * tree.c (host_integerp): Check for sizetype only if the
9540         type is an integer type.
9541
9542 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
9543
9544         PR debug/26364
9545         * opts.c (decode_options): Disable inlining of functions called
9546         once if not in unit-at-a-time mode.
9547
9548 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
9549
9550         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
9551
9552 2008-01-08  Richard Guenther  <rguenther@suse.de>
9553
9554         PR middle-end/31863
9555         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
9556         out early if the result will be unused.
9557
9558 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
9559
9560         PR target/34709
9561         Revert:
9562
9563         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
9564         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
9565         for TARGET_RECIP.       
9566         
9567 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
9568         
9569         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
9570         for vectorization tuned.
9571         
9572 2008-01-08  Richard Guenther  <rguenther@suse.de>
9573
9574         PR tree-optimization/34683
9575         * tree-ssa-operands.c (operand_build_cmp): Export.
9576         * tree-ssa-operands.h (operand_build_cmp): Declare.
9577         * tree-vn.c (vuses_compare): Remove.
9578         (sort_vuses): Use operand_build_cmp.
9579         (sort_vuses_heap): Likewise.
9580         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
9581         to re-use old VEC if available.  Do not sort already sorted VUSEs.
9582         (vdefs_to_vec): Do not sort already sorted VDEFs.
9583
9584 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
9585
9586         PR middle-end/34694
9587         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
9588
9589 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
9590
9591         PR target/34702
9592         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
9593         limitations of reciprocal sequences on x86 targets.
9594
9595 2008-01-08  Richard Guenther  <rguenther@suse.de>
9596
9597         PR tree-optimization/34683
9598         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
9599
9600 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
9601
9602         PR target/34622
9603         * config/darwin.c (darwin_mergeable_string_section): Don't use
9604         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
9605
9606 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
9607
9608         PR target/34682
9609         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
9610         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
9611         predicates of op0 and op1 to register_operand.
9612         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
9613         expander using X87MODEF mode iterator.  Change predicates of
9614         op0 and op1 to register_operand.
9615         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
9616         corresponding patterns and macroize using MODEF macro.  Change
9617         predicates of op0 and op1 to register_operand and remove
9618         "m" constraint. Disparage "r" alternative with "!".
9619         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
9620         macroize using X87MODEF macro.  Change predicates of op0 and op1
9621         to register_operand and remove "m" constraint.  Disparage "r"
9622         alternative with "!".
9623         (absneg splitter with memory operands): Remove.
9624         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
9625         patterns and macroize using X87MODEF mode iterator.
9626         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
9627         Change predicate of op1 to register_operand.
9628         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
9629         for memory operands.
9630
9631 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
9632
9633         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
9634
9635 2008-01-07  Richard Guenther  <rguenther@suse.de>
9636
9637         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
9638         fields.
9639
9640 2008-01-07  Richard Guenther  <rguenther@suse.de>
9641
9642         PR tree-optimization/34683
9643         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
9644         VOPs of the needed size to save memory.  Use VEC_quick_push
9645         to save compile-time.
9646         (vdefs_to_vec): Likewise.
9647
9648 2008-01-07  Sa Liu  <saliu@de.ibm.com>
9649
9650         * config/spu/spu.md (divdf3): Genetate inline code for double
9651         division.  The implementation doesn't handle INF or NAN, therefore it
9652         only applies when -ffinite-math-only is given.
9653
9654 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
9655
9656         PR libstdc++/34680
9657         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
9658         * doc/cpp.texi ([Common Predefined Macros]): Document.
9659
9660 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
9661
9662         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
9663         order to use commutative addition instead of subtraction.
9664
9665 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9666             Mircea Namolaru  <namolaru@il.ibm.com>
9667             Vladimir Yanovsky  <yanov@il.ibm.com>
9668             Revital Eres  <eres@il.ibm.com>
9669
9670         PR tree-optimization/34263
9671         * tree-outof-ssa.c (process_single_block_loop_latch,
9672         contains_tree_r): New functions.
9673         (analyze_edges_for_bb): Call process_single_block_loop_latch
9674         function to empty single-basic-block latch block if possible.
9675
9676 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
9677
9678         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
9679         for TARGET_RECIP.
9680         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
9681
9682 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
9683
9684         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
9685
9686 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
9687
9688         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
9689
9690 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
9691
9692         PR tree-optimization/34618
9693         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
9694         flag from T.
9695
9696 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
9697
9698         PR target/34673
9699         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
9700         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
9701         Update copyright year.
9702
9703         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
9704         Update copyright year.
9705         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
9706         using NR fixup.
9707
9708 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
9709
9710         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
9711         edge does not point to current bb before changing need_assert.
9712
9713 2008-01-04  Richard Guenther  <rguenther@suse.de>
9714
9715         PR middle-end/34029
9716         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
9717         for verifying purposes if they are is_gimple_min_invariant.
9718
9719 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
9720
9721         PR tree-optimization/34448
9722         PR tree-optimization/34465
9723         * gimplify.c (gimplify_init_constructor): Add new parameter
9724         notify_temp_creation.  Use it.
9725         (gimplify_modify_expr_rhs): Take volatiles into account when
9726         optimizing constructors.
9727         Do not optimize constructors if gimplify_init_constructor will dump to
9728         memory.
9729         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
9730         * gcc.c-torture/compile/pr34448.c: New.
9731
9732 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
9733
9734         PR gcov-profile/34609
9735         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
9736         return_slot if result is TREE_ADDRESSABLE.
9737
9738 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
9739
9740         * config/mips/mips.md (sqrt_condition): Tweak comment.
9741         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
9742
9743 2008-01-03  Tom Tromey  <tromey@redhat.com>
9744
9745         PR c/34457
9746         * c-common.c (c_type_hash): Handle VLAs.
9747
9748 2008-01-03  Jan Hubicka  <jh@suse.cz>
9749
9750         PR tree-optimization/31081
9751         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
9752         0 when inlining and not inlining to first basic block.
9753         (remap_decl): When var is initialized to 0, don't set default_def.
9754         (expand_call_inline): Set entry_bb.
9755         * tree-inline.h (copy_body_data): Add entry_bb.
9756
9757 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
9758
9759         PR c++/34619
9760         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
9761         before returning.
9762
9763         PR tree-optimization/29484
9764         * tree-inline.c (inline_forbidden_p_2): New function.
9765         (inline_forbidden_p): Disallow inlining if some static var
9766         has an address of a local LABEL_DECL in its initializer.
9767         * doc/extend.texi (Labels as Values): Document &&foo behaviour
9768         vs. inlining.
9769
9770 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
9771
9772         PR tree-optimization/34635
9773         * tree-data-ref.c (add_other_self_distances): Make sure that the
9774         evolution step is constant.
9775
9776 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
9777
9778         PR middle-end/34608
9779         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
9780
9781 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
9782
9783         * tree-sra.c (scalarize_init): Insert the generate_element_init
9784         statements after the generate_element_zero statements.
9785
9786 2008-01-02  Richard Guenther  <rguenther@suse.de>
9787
9788         PR middle-end/34093
9789         PR middle-end/31976
9790         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
9791         for very large number of operands instead of ICEing.
9792
9793 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
9794
9795         PR target/34013
9796         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
9797         while stack probing.
9798
9799 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
9800
9801         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
9802         in C++0x mode.
9803
9804 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
9805
9806         PR libmudflap/26442
9807         * tree-mudflap.c (mx_register_decls): Guard warning by
9808         !DECL_ARTIFICIAL check.
9809
9810 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
9811
9812         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
9813         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
9814         sse5_perm<mode>): Fix constraints.