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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         * tree-ssa-dse (max_stmt_uid): Removed.
4         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt, 
5         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
6         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
7         * function.h (cfun.last_stmt_uid): New field.
8         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
9         gimple_stmt_max_uid, set_gimple_stmt_max_uid, 
10         inc_gimple_stmt_max_uid): New functions.
11         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
12         (create_stmt_ann): Initialize the ann->uid field.
13         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
14         with new calls.
15         * tree-flow.h (renumber_gimple_stmt_uids): New function.
16
17 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
18
19         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
20         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
21         (init_empty_tree_cfg): Call it.
22
23 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
24
25         * cfg.c (init_flow): Add argument THE_FUN.  Use it
26         instead of cfun.  Update all users.
27
28 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
29
30         * doc/invoke.text (-fdump-tree-*-verbose): New option.
31         * tree-dump.c (dump_options): New verbose option.
32         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
33         Add verbose dump.
34         * tree-pass.h (TDF_VERBOSE): New dump flag.
35         * print-tree.c (print_node): Added code to be able to print
36         PHI_NODES.
37         (tree-flow.h): Added include.
38         Makefile.in (print-tree.o):  Added TREE_FLOW_H.
39
40 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
41
42         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
43
44         From Jie Zhang  <jie.zhang@analog.com>
45         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
46         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
47         mcpu=bf561-none and mcpu=bf561-0.2.
48         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
49         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
50         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
51         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
52         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
53         BFIN_CPU_UNKNOWN.
54         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for
55         BF561.
56         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
57         option.
58         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
59         (cputype_selected): Remove.
60         (bfin_handle_option): Don't use cputype_selected.
61         (override_options): When no mcpu option, enable all workarounds.
62         Don't use bfin_workarounds.
63         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
64         processor type.
65         (DEFAULT_CPU_TYPE): Don't define.
66
67 2008-05-16  Richard Guenther  <rguenther@suse.de>
68
69         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
70         on deletion of the last stmt.
71
72 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
73
74         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
75         V8HImode for SSE2 and V16QImode for SSE4.1.
76
77 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
78
79         * cgraph.h (compute_inline_parameters): Made public.
80         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
81         variable_generate_summary, function_write_summary,
82         variable_write_summary, variable_read_summary.  Added 
83         generate_summary, write_summary, read_summary.
84         * cgraphunit.c (cgraph_process_new_functions): Changed call from
85         pass_ipa_inline.function_generate_summary, to
86         compute_inline_parameters. 
87         * ipa-inline.c (compute_inline_parameters): Made public and added
88         node parameter.
89         (compute_inline_parameters_for_current): New function.
90         (pass_inline_param): Now calls
91         compute_inline_parameters_for_current.
92         (inline_generate_summary): Removed parameter and made to loop over
93         all cgraph nodes.
94         (pass_ipa_inline): Updated for new IPA_PASS structure.
95         * passes.c (execute_ipa_summary_passes): Now is called once per
96         pass rather than once per node*pass.
97         
98 2008-05-15  Anatoly Sokolov <aesok@post.ru>
99
100         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p, 
101         avr_have_mul_p, avr_asm_only_p): Remove variables.
102         (avr_override_options): Remove initialization of removed variables.
103         (avr_file_start):  Convert removed variables to fields of 
104         'struct base_arch_s *avr_current_arch'. 
105         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
106         (AVR_HAVE_MUL): (Ditto.).
107         (AVR_HAVE_MOVW): (Ditto.).
108         (AVR_HAVE_LPMX): (Ditto.). 
109         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p, 
110         avr_asm_only_p): Remove declaration.
111
112 2008-05-15  Diego Novillo  <dnovillo@google.com>
113
114         * config/arm/arm.c (arm_return_in_memory): Fix return
115         type.
116         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
117
118 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
119
120         PR middle-end/36194
121         * combine.c (check_conversion): Rename back to check_promoted_subreg. 
122         Don't call record_truncated_value from here. 
123         (record_truncated_value): Turn it into a for_each_rtx callback. 
124         (record_truncated_values): New function. 
125         (combine_instructions): Call note_uses with 
126         record_truncated_values.  Change name of check_conversion to 
127         check_promoted_subreg. 
128
129 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
130
131         * doc/sourcebuild.texi: Document support for torture tests.
132
133 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
134
135         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
136         to alternative 4 of operand 2.
137
138 2008-05-15  Richard Guenther  <rguenther@suse.de>
139
140         * tree-pass.h (current_pass): Declare.
141         (get_pass_for_id): Likewise.
142         * passes.c (passes_by_id, passes_by_id_size): New globals.
143         (set_pass_for_id): New function.
144         (get_pass_for_id): Likewise.
145         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
146         (execute_function_todo): Flush per function statistics.
147         * toplev.c (compile_file): Init statistics.
148         (general_init): Do early statistics initialization.
149         (finalize): Finish statistics.
150         * statistics.h (statistics_early_init): Declare.
151         (statistics_init): Likewise.
152         (statistics_fini): Likewise.
153         (statistics_fini_pass): Likewise.
154         (statistics_counter_event): Likewise.
155         (statistics_histogram_event): Likewise.
156         * statistics.c: New file.
157         * Makefile.in (OBJS-common): Add statistics.o.
158         (statistics.o): Add dependencies.
159         * doc/invoke.texi (-fdump-statistics): Document.
160
161         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
162         (insert): Likewise.
163         (execute_pre): Use statistics_counter_event.
164         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
165         (substitute_and_fold): Increment it.  Use statistics_counter_event.
166
167 2008-05-15  Diego Novillo  <dnovillo@google.com>
168
169         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
170
171         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
172         * tree-ssa-alias.c (new_type_alias): Remove references to
173         sub-variables from comment.
174         * tree-ssa-operands.c (swap_tree_operands): Likewise.
175
176 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
177
178         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
179         attribute to 1 only for insertps alternative.
180
181 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
182
183         * config/bfin/bfin.md (loadbytes): New pattern.
184         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
185         (bfin_init_builtins): Initialize it.
186         (bdesc_1arg): Add it.
187
188 2008-05-15  Sa Liu  <saliu@de.ibm.com>
189
190         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
191         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
192         * testsuite/lib/target-supports.exp: Add
193         check_effective_target_fortran_integer_16.
194
195 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
196
197         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
198         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
199         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
200         (TARGET_RETURN_IN_MEMORY): Define.
201
202 2008-05-15  Richard Guenther  <rguenther@suse.de>
203
204         PR middle-end/36244
205         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
206         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
207         represent unmodifiable vars.
208
209 2008-05-15  Richard Guenther  <rguenther@suse.de>
210
211         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
212         INDIRECT_REF and TARGET_MEM_REF.
213         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
214         TARGET_MEM_REF.
215
216 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
217             H.J. Lu  <hongjiu.lu@intel.com>
218
219         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
220         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
221         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
222         insn alternatives.  Add missing alternatives.
223         (*vec_concatv2di_rex64_sse4_1): Likewise.
224         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
225         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
226         Require TARGET_SSE.
227
228 2008-05-15  Richard Guenther  <rguenther@suse.de>
229
230         PR tree-optimization/36009
231         PR tree-optimization/36204
232         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
233         (determine_invariantness_stmt): Record the loop a store is
234         always executed in.
235         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
236         dependency.
237
238 2008-05-15  Richard Guenther  <rguenther@suse.de>
239
240         PR tree-optimization/34330
241         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
242         through the pointer will alias the SMT.
243
244 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
245
246         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
247
248 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
249
250         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
251
252 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
253             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
254
255         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
256         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
257         (vashl_optab): New optab for vector/vector shifts.
258         (vashr_optab): Ditto.
259         (vlshr_optab): Ditto.
260         (vrotl_optab): Ditto.
261         (vrotr_optab): Ditto.
262         (optab_subtype): New enum for optab_for_tree_code call.
263         (optab_for_tree_code): Add enum optab_subtype argument.
264
265         * optabs.c (optab_for_tree_code): Take an additional argument to
266         distinguish between a vector shift by a scalar and vector shift by
267         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
268         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
269         vector shift by a vector.
270         (expand_widen_pattern_expr): Pass additional argument to
271         optab_for_tree_code.
272
273         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
274         vrotl_optab, vrotr_optab.
275
276         * expr.c (expand_expr_real_1): Update calls to
277         optab_for_tree_code to distinguish between vector shifted by a
278         scalar and vector shifted by a vector.
279         * tree-vectorizer.c (supportable_widening_operation): Ditto.
280         (supportable_narrowing_operation): Ditto.
281         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
282         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
283         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
284         (vect_create_epilog_for_reduction): Ditto.
285         (vectorizable_reduction): Ditto.
286         (vectorizable_operation): Ditto.
287         (vect_strided_store_supported): Ditto.
288         (vect_strided_load_supported): Ditto.
289         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
290         * expmed.c (expand_shift): Ditto.
291
292         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
293         scalar type.
294         (ashr@var{m}3): Ditto.
295         (vashl@var{m}3): Document new vector/vector shift standard name.
296         (vashr@var{m}3): Ditto.
297         (vlshr@var{m}3): Ditto.
298         (vrotl@var{m}3): Ditto.
299         (vrotr@var{m}3): Ditto.
300
301         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
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
312         * config/i386/sse.md (mulv2di3): Add SSE5 support.
313         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
314         allows a memory operand to be the value being added, and split it
315         to improve vectorization.
316         (sse5_pmacsdqh_mem): Ditto.
317         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
318         (sse5_mulv2div2di3_high): Ditto.
319         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
320         (vec_pack_trunc_v4si): Ditto.
321         (vec_pack_trunc_v2di): Ditto.
322         (sse5_pcmov_<mode>): Remove code that tried to use use
323         andps/andnps instead of pcmov.
324         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
325         pmacsdqh instructions.
326         (vec_widen_smult_lo_v4si): Ditto.
327
328         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
329         (PPERM_INVERT): Ditto.
330         (PPERM_REVERSE): Ditto.
331         (PPERM_REV_INV): Ditto.
332         (PPERM_ZERO): Ditto.
333         (PPERM_ONES): Ditto.
334         (PPERM_SIGN): Ditto.
335         (PPERM_INV_SIGN): Ditto.
336         (PPERM_SRC1): Ditto.
337         (PPERM_SRC2): Ditto.
338         (ix86_expand_sse_movcc): Move the SSE5 test after the if
339         true/false tests.
340         (ix86_expand_int_vcond): If SSE5 generate all possible integer
341         comparisons.
342         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
343         says ignore whether the last reference is a memory operand.
344
345 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
346             Paolo Bonzini <bonzini at gnu dot org>
347
348         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
349         shift patterns.
350
351         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
352         (vlshr<mode>3): Rename from vlshr<mode>3.
353         (vashr<mode>3): Rename from vashr<mode>3.
354         (mulv4sf3): Change the names of vector shift patterns.
355         (mulv4si3): Ditto.
356         (negv4sf2): Ditt.
357
358         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
359         shift insns.
360
361         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
362         (SI_SHLHI): Ditto.
363         (SI_SHL): Ditto.
364         (SI_SHLI): Ditto.
365         (SI_ROTH): Ditto.
366         (SI_ROTHI): Ditto.
367         (SI_ROT): Ditto.
368         (SI_ROTI): Ditto.
369         (SPU_RL_0): Ditto.
370         (SPU_RL_1): Ditto.
371         (SPU_RL_2): Ditto.
372         (SPU_RL_3): Ditto.
373         (SPU_RL_4): Ditto.
374         (SPU_RL_5): Ditto.
375         (SPU_RL_6): Ditto.
376         (SPU_RL_7): Ditto.
377         (SPU_SL_0): Ditto.
378         (SPU_SL_1): Ditto.
379         (SPU_SL_2): Ditto.
380         (SPU_SL_3): Ditto.
381         (SPU_SL_4): Ditto.
382         (SPU_SL_5): Ditto.
383         (SPU_SL_6): Ditto.
384         (SPU_SL_7): Ditto.
385
386         * config/spu/spu.md (v): New iterator macro to add v for vector types.
387         (floatunssidf2_internal): Change vector/vector shift names.
388         (floatunsdidf2_internal): Ditto.
389         (mulv8hi3): Ditto.
390         (ashrdi3): Ditto.
391         (ashrti3): Ditto.
392         (cgt_df): Ditto.
393         (cgt_v2df): Ditto.
394         (dftsv): Ditto.
395         (vashl<mode>3): Rename from ashl<mode>3.
396         (vashr<mode>3): Rename from ashr<mode>3.
397         (vlshr<mode>3): Rename from lshr<mode>3.
398         (vrotl<mode>3): Rename from rotl<mode>3.
399
400 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
401
402         PR target/36224
403         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
404         multiply gives the wrong value when doing widening multiplies.
405         (vec_widen_smult_lo_v4si): Ditto.
406
407 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
408
409         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
410         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
411         emit_library_call_value. 
412         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
413         * tree.h (ECF_LIBCALL_BLOCK): Removed.
414         * calls.c (initialize_argument_information, precompute_arguments, 
415         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
416         (precompute_arguments): Removed flags parameter.
417         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
418         
419 2008-05-14  Richard Guenther  <rguenther@suse.de>
420
421         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
422         Make sure to register the store if the use is a PHI_NODE.
423
424 2008-05-14  Olivier Hainque  <hainque@adacore.com>
425
426         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
427         memory if the component is to be referenced in BLKmode according
428         to get_inner_reference.
429
430 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
431
432         * calls.c (emit_library_call_value_1): Restore code clearing
433         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
434
435 2008-05-14  Olivier Hainque  <hainque@adacore.com>
436             Nicolas Roche  <roche@adacore.com>
437
438         * configure.ac: Add support for a "gcc_subdir" variable in
439         config-lang.in, to denote a subdirectory where the language/GCC
440         integration files are to be found.
441         * configure: Regenerate.
442
443 2008-05-14  Ira Rosen  <irar@il.ibm.com>
444
445         PR tree-optimization/36098
446         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
447         value for the first load in the group in case of a gap.
448         (vect_build_slp_tree): Check that there are no gaps in loads.
449
450 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
451
452         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
453         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
454         expand_copysign_bit, ): Change call to emit_no_conflict_block to
455         emit_insn and remove unneeded code to construct extra args.
456         (emit_no_conflict_block): Removed.
457         * optabls.h: (emit_no_conflict_block): Removed.
458         * cse.c (cse_extended_basic_block): Remove search for
459         REG_NO_CONFLICT note.
460         * global.c: Removed incorrect comment added in revision 117.
461         * expr.c (convert_move): Change call to emit_no_conflict_block to
462         emit_insn.
463         * recog.c: Change comments so that they do not mention
464         REG_NO_CONFLICT.
465         * local_alloc.c (combine_regs): Removed last parameter.
466         (no_conflict_p): Removed.
467         (block_alloc): Removed note, no_conflict_combined_regno and set
468         local vars. Removed all code to process REG_NO_CONFLICT blocks.
469         (combine_regs): Removed already_dead and code to look for
470         REG_NO_CONFLICT notes.
471         * lower_subreg (remove_retval_note): Removed code to look for
472         REG_NO_CONFLICT block.
473         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
474         (resolve_clobber): Remove code to process libcalls that have
475         REG_NO_CONFLICT notes.
476         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
477         case.
478         * combine.c (can_combine_p, distribute_notes):  Removed
479         REG_NO_CONFLICT case.
480         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
481         to emit_insns.
482         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
483         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
484         Ditto.
485         * reg-notes.def (NO_CONFLICT): Removed.
486
487 2008-05-14  David S. Miller  <davem@davemloft.net>
488
489         * config/sparc/sparc.c (sparc_profile_hook): If
490         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
491         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
492         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
493
494 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
495
496         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
497
498 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
499
500         PR target/36222
501         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
502         and op1 expansion before vector concat to have less live pseudos.
503
504 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
505
506         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
507         ix86_expand_vector_set if supported.
508
509 2008-05-13  Diego Novillo  <dnovillo@google.com>
510             Kenneth Zadeck  <zadeck@naturalbridge.com>
511
512         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
513
514         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
515         phinodes_print_statistics, init_ssanames, fini_ssanames,
516         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
517         release_ssa_name, release_defs, replace_ssa_name_symbol,
518         ssanames_print_statistics): Move ...
519         * tree-flow.h: ... here.
520         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
521         Use FN instead of cfun.
522         (make_ssa_name_fn): Rename from make_ssa_name.
523         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
524         * tree-flow-inline.h (make_ssa_name): Move from
525         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
526         * omp-low.c (expand_omp_parallel):
527         * tree-flow-inline.h (redirect_edge_var_map_result):
528         * tree-ssa.c (init_tree_ssa): Add argument FN.
529         Use it instead of cfun.  Update all users.
530
531 2008-05-13  Tom Tromey  <tromey@redhat.com>
532
533         PR preprocessor/22168:
534         * doc/cpp.texi (Top): Update menu.
535         (Alternatives to Wrapper #ifndef): New node.
536         (Other Directives): Document deprecation.
537         (Obsolete Features): Remove menu.
538         (Assertions): Merge node into Obsolete Features.
539         (Obsolete once-only headers): Move earlier; rename to Alternatives
540         to Wrapper #ifndef.
541         * doc/cppopts.texi: Update.
542         * c.opt (Wdeprecated): Enable for C and ObjC.
543         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
544         (C++ Dialect Options): Move -Wno-deprecated from here to...
545         (Warning Options): ... here.
546
547 2008-05-13  Richard Guenther  <rguenther@suse.de>
548
549         PR middle-end/36227
550         * fold-const.c (fold_sign_changed_comparison): Do not allow
551         changes in pointer-ness.
552
553 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
554
555         PR target/24713
556         * config/sh/sh.c (sh_expand_prologue): Don't clear
557         RTX_FRAME_RELATED_P for push insns.
558
559 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
560
561         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
562
563 2008-05-12  Anatoly Sokolov <aesok@post.ru>
564
565         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
566         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
567         Use 'machine->is_leaf' instead of 'leaf_func_p'.
568
569 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
570
571         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
572         (*vec_concatv4sf_sse): This.
573         (*sse2_concatv2si): Renamed to ...
574         (*vec_concatv2si_sse2): This.
575         (*sse1_concatv2si): Renamed to ...
576         (*vec_concatv2si_sse): This.
577         (*vec_concatv2di_rex): Renamed to ...
578         (*vec_concatv2di_rex64): This.
579         (*vec_concatv2si_sse4_1): New.
580         (*vec_concatv2di_rex64_sse4_1): Likewise.
581
582 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
583
584         PR rtl-optimization/36111
585         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
586         that was created for swappable operands.
587
588 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
589
590         PR ada/36001
591         * Makefile.in: Substitute GNATMAKE and GNATBIND.
592         * configure.ac: Add call to ACX_PROG_GNAT.
593
594 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
595
596         * optc-gen.awk: Fix comment typo.
597
598 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
599
600         * pretty-print.c (pp_integer_with_precision): Use
601         HOST_LONG_LONG_FORMAT.
602
603 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
604
605         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
606                 
607 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
608
609         * config/i386/i386.c (bdesc_ptest): Removed.
610         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
611         (bdesc_args): Add __builtin_ia32_ptestz128,
612         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
613         (ix86_init_mmx_sse_builtins): Updated.
614         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
615         (ix86_expand_builtin): Updated.
616
617 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
618
619         * tree-cfg.c (valid_fixed_convert_types_p): New function.
620         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
621
622 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
623
624         * value-prof.c (interesting_stringop_to_profile): Do not
625         return early for BUILT_IN_MEMPCPY.
626
627 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
628
629         * calls.c (expand_call): Don't use callgraph to increase
630         preferred_stack_boundary.
631
632         * cgraph.h (cgraph_rtl_info): Use unsigned on
633         preferred_incoming_stack_boundary.
634
635         * final.c (rest_of_clean_state): Use unsigned on
636         preferred_stack_boundary.
637
638 2008-05-09  Tom Tromey  <tromey@redhat.com>
639
640         PR preprocessor/22231:
641         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
642         proceeding.
643
644 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
645
646         PR tree-optimization/36129
647         * tree-ssa-ccp.c: Include value-prof.h.
648         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
649         built-in function was folded to a constant.
650         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
651
652 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
653             Sebastian Pop  <sebastian.pop@amd.com>
654
655         * tree-scalar-evolution.c: Document instantiate_scev.
656         (instantiate_parameters_1): Renamed instantiate_scev_1.
657         Don't use the same loop for instantiation_loop and evolution_loop.
658         (instantiate_scev): New.
659         (instantiate_parameters): Moved...
660         (resolve_mixers): Update call to instantiate_scev_1 to pass the
661         same loop twice.  Maintains the semantics for this function.
662         * tree-scalar-evolution.h (instantiate_scev): Declare.
663         (instantiate_parameters): ...here.  Now static inline.
664         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
665         instead of resolve_mixers.
666
667 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
668
669         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
670
671 2008-05-09  Tomas Bily  <tbily@suse.cz>
672
673         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
674         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
675         * tree-ssa-structalias.c (get_constraint_for): Likewise.
676         * c-common.c (c_common_truthvalue_conversion): Likewise.
677         * tree-object-size.c (compute_object_offset): Likewise.
678         * tree-inline.c (estimate_num_insns_1): Likewise.
679         * varasm.c (const_hash_1, compare_constant, copy_constant)
680         (compute_reloc_for_constant, output_addressed_constants)
681         (initializer_constant_valid_p): Likewise.
682         * c-omp.c (check_omp_for_incr_expr): Likewise.
683         * gimplify.c (gimplify_expr): Likewise.
684         * c-typeck.c (c_finish_return): Likewise.
685         * tree-vectorizer.c (supportable_widening_operation)
686         (supportable_narrowing_operation): Likewise.
687         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
688         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
689         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
690         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
691         (descr_info_loc): Likewise.
692         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
693         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
694         (fold_unary): Likewise.
695         * builtins.c (get_pointer_alignment): Likewise.
696         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
697         (instantiate_parameters_1): Likewise.
698         * tree.c (expr_align, stabilize_reference): Likewise.
699         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
700         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
701         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
702         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
703         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
704         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
705         Likewise.
706         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
707         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
708         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
709         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
710         (forward_propagate_comparison)
711         (tree_ssa_forward_propagate_single_use_vars): Likewise.
712         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
713         * emit-rtl.c (component_ref_for_mem_expr)
714         (set_mem_attributes_minus_bitpos): Likewise.
715         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
716         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
717         Likewise.
718         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
719         (build_function_call, pointer_diff, build_compound_expr)
720         (c_finish_return): Likewise.
721         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
722         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
723         Likewise.
724         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
725         * expr.c (is_aligning_offset): Likewise.
726         * tree-ssa-alias.c (is_escape_site): Likewise.
727         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
728         (check_all_va_list_escapes): Likewise.
729         * tree-ssa-loop-ivopts.c (determine_base_object)
730         (determine_common_wider_type): Likewise.
731         * dojump.c (do_jump): Likewise.
732         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
733         * tree-gimple.c (is_gimple_cast): Likewise.
734         * fold-const.c (decode_field_reference, )
735         (fold_sign_changed_comparison, fold_unary, fold_comparison)
736         (fold_binary): Likewise.
737         * tree-ssa-alias-warnings.c (find_alias_site_helper)
738         (already_warned_in_frontend_p): Likewise.
739         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
740         * tree.c (really_constant_p, get_unwidened): Likewise.
741         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
742         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
743         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
744         Likewise.
745         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
746         CONVERT_EXPR_P.
747         (CONVERT_EXPR_P): Define.
748         (CASE_CONVERT): Define.
749         
750 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
751
752         PR middle-end/36117
753         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
754         (delete_unmarked_insns): When deleting a call, call
755         delete_unreachable_blocks.
756         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
757         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
758
759 2008-05-08  Richard Guenther  <rguenther@suse.de>
760
761         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
762         (-ftree-salias): Likewise.
763         (salias-max-implicit-fields): Remove param documentation.
764         (salias-max-array-elements): Likewise.
765         * tree-pass.h (pass_create_structure_vars): Remove.
766         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
767         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
768         * tree-ssa-alias.c (create_structure_vars): Remove.
769         (gate_structure_vars): Likewise.
770         (pass_create_structure_vars): Likewise.
771         (gate_build_alias): Likewise.
772         (pass_build_alias): Adjust to run always and dump the function.
773         * common.opt (ftree-salias): Hide.
774         * passes.c (init_optimization_passes): Remove
775         pass_create_structure_vars, adjust comment.
776         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
777         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
778         * opts.c (decode_options): Do not set flag_tree_salias.
779         (common_handle_option): Add OPT_ftree_salias to the backward
780         compatibility section.
781
782 2008-05-08  Richard Guenther  <rguenther@suse.de>
783
784         * tree-flow-inline.h (var_can_have_subvars): Move ...
785         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
786         * tree-flow.h (var_can_have_subvars): Remove.
787         (push_fields_onto_fieldstack): Remove.
788         (sort_fieldstack): Likewise.
789         (struct fieldoff): Move ...
790         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
791         alias_set and base_for_components fields.
792         (sort_fieldstack): Make static.
793         (push_fields_onto_fieldstack): Likewise.  Remove code that
794         handles anything but RECORD_TYPEs.  Remove alias_set and
795         base_for_components handling.
796         (create_variable_info_for): Adjust.
797
798 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
799
800         * common.opt (Wframe-larger-than=): Shorten the help message
801         to one line.
802         * doc/invoke.texi (Wframe-larger-than=): Add more description.
803
804 2008-05-08  Rafael Espindola  <espindola@google.com>
805
806         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
807         trap.
808         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
809         trap and that both operands are gimple values.
810         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
811         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
812         is a fp operation.
813
814 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
815
816         * read-rtl.c (join_c_conditions): Return the first string if the
817         two strings are equal.
818
819 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
820
821         * gensupport.h (pred_data): Add a "num_codes" field.
822         (add_predicate_code): Declare.
823         * gensupport.c (add_predicate_code): New function.
824         (std_pred_table): Add an "allows_const_p" field.
825         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
826         Remove the (incomplete) list of such codes from the codes field.
827         (init_predicate_table): Use add_predicate_code.  Add all
828         RTX_CONST_OBJs if allows_const_p is true.
829         * genrecog.c (process_define_predicate): Use add_predicate_code.
830
831 2008-05-08  David Daney  <ddaney@avtrex.com>
832             Richard Sandiford  <rsandifo@nildram.co.uk>
833         
834         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
835         special case of constant zero operands.
836         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
837         old and new values.  Special case constant zero values.
838         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
839         fails.
840         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
841         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
842
843 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
844
845         PR target/36090
846         * simplify-rtx.c (simplify_plus_minus): Create CONST of
847         similar RTX_CONST_OBJ before CONST_INT.
848
849 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
850
851         * stmt.c (expand_stack_restore): Change sa mode if needed.
852
853 2008-05-08  Richard Guenther  <rguenther@suse.de>
854
855         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
856         return type to bool.
857         (ix86_sol10_return_in_memory): Likewise.
858         (ix86_i386elf_return_in_memory): Likewise.
859         (ix86_i386interix_return_in_memory): Likewise.
860         * config/i386/i386.c (ix86_return_in_memory): Likewise.
861         (ix86_sol10_return_in_memory): Likewise.
862         (ix86_i386elf_return_in_memory): Likewise.
863         (ix86_i386interix_return_in_memory): Likewise.
864
865 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
866
867         PR bootstrap/36180
868         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
869         fndecl argument.
870         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
871         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
872         declared in front.
873
874 2008-05-08  Richard Guenther  <rguenther@suse.de>
875
876         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
877         * tree-data-ref.h (struct dr_alias): Remove subvars field.
878         (DR_SUBVARS): Remove.
879         * tree-dfa.c (dump_subvars_for): Remove.
880         (debug_subvars_for): Likewise.
881         (dump_variable): Do not dump subvars.
882         (remove_referenced_var): Do not remove subvars.
883         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
884         (lookup_subvars_for_var): Remove.
885         (get_subvars_for_var): Likewise.
886         (get_subvars_at): Likewise.
887         (get_first_overlapping_subvar): Likewise.
888         (overlap_subvar): Likewise.
889         * tree-flow.h (subvar_t): Remove.
890         (struct var_ann_d): Remove subvars field.
891         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
892         argument.  Remove special handling of SFTs.
893         (compute_tag_properties): Likewise.
894         (set_initial_properties): Likewise.
895         (compute_call_clobbered): Likewise.
896         (count_mem_refs): Likewise.
897         (compute_memory_partitions): Likewise.
898         (compute_flow_insensitive_aliasing): Likewise.
899         (setup_pointers_and_addressables): Likewise.
900         (new_type_alias): Likewise.
901         (struct used_part): Remove.
902         (used_portions): Likewise.
903         (struct used_part_map): Likewise.
904         (used_part_map_eq): Likewise.
905         (used_part_map_hash): Likewise.
906         (free_used_part_map): Likewise.
907         (up_lookup): Likewise.
908         (up_insert): Likewise.
909         (get_or_create_used_part_for): Likewise.
910         (create_sft): Likewise.
911         (create_overlap_variables_for): Likewise.
912         (find_used_portions): Likewise.
913         (create_structure_vars): Likewise.
914         * tree.def (STRUCT_FIELD_TAG): Remove.
915         * tree.h (MTAG_P): Adjust.
916         (struct tree_memory_tag): Remove base_for_components and
917         unpartitionable flags.
918         (struct tree_struct_field_tag): Remove.
919         (SFT_PARENT_VAR): Likewise.
920         (SFT_OFFSET): Likewise.
921         (SFT_SIZE): Likewise.
922         (SFT_NONADDRESSABLE_P): Likewise.
923         (SFT_ALIAS_SET): Likewise.
924         (SFT_UNPARTITIONABLE_P): Likewise.
925         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
926         (union tree_node): Remove sft field.
927         * alias.c (get_alias_set): Remove special handling of SFTs.
928         * print-tree.c (print_node): Remove handling of SFTs.
929         * tree-dump.c (dequeue_and_dump): Likewise.
930         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
931         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
932         * tree-predcom.c (set_alias_info): Do not set subvars.
933         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
934         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
935         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
936         (add_vars_for_offset): Remove.
937         (add_virtual_operand): Remove special handling of SFTs.
938         (add_call_clobber_ops): Likewise.
939         (add_call_read_ops): Likewise.
940         (get_asm_expr_operands): Likewise.
941         (get_modify_stmt_operands): Likewise.
942         (get_expr_operands): Likewise.
943         (add_to_addressable_set): Likewise.
944         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
945         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
946         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
947         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
948         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
949         (tree_node_structure): Likewise.
950         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
951         handling of SFTs.
952         (find_what_p_points_to): Likewise.
953
954 2008-05-08  Sa Liu  <saliu@de.ibm.com>
955
956         * config/spu/spu.md: Fixed subti3 pattern.
957
958 2008-05-08  Richard Guenther  <rguenther@suse.de>
959
960         PR middle-end/36154
961         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
962         sure to create a representative for trailing arrays for PTA.
963
964 2008-05-08  Richard Guenther  <rguenther@suse.de>
965
966         PR middle-end/36172
967         * fold-const.c (operand_equal_p): Two objects which types
968         differ in pointerness are not equal.
969
970 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
971
972         * calls.c (compute_argument_block_size): Add argument tree fndecl.
973         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
974         (emit_library_call_value_1): Add new variable fndecl initialized by
975         NULL_TREE. It should be the decl type of orgfun, but this information
976         seems not to be available here, so it uses the default calling abi.
977         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
978         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
979         by TARGET_RETURN_IN_MEMORY.
980         * config/i386/i386-interix.h: Likewise.
981         * config/i386/i386.h: Likewise.
982         * config/i386/i386elf.h: Likewise.
983         * config/i386/ptx4-i.h: Likewise.
984         * config/i386/sol2-10.h: Likewise.
985         * config/i386/sysv4.h: Likewise.
986         * config/i386/vx-common.h: Likewise.
987         * config/cris/cris.h: Removed #if 0 clause.
988         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
989         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
990         argument.
991         (ix86_sol10_return_in_memory): Likewise.
992         (ix86_i386elf_return_in_memory): New.
993         (ix86_i386interix_return_in_memory): New.
994         * config/mt/mt-protos.h (mt_return_in_memory): New.
995         * config/mt/mt.c: Likewise.
996         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
997         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
998         * config/bfin/bfin.h: Likewise.
999         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
1000         argument.
1001         * config/bfin/bfin.c: Likewise.
1002         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
1003         * config/alpha/unicosmk.h: Likewise.
1004         * config/i386/cygming.h: Likewise.
1005         * config/iq2000/iq2000.h: Likewise.
1006         * config/mips/mips.h: Likewise.
1007         * config/mn10300/mn10300.h: Likewise.
1008         * config/rs6000/rs6000.h: Likewise.
1009         * config/score/score.h: Likewise.
1010         * config/spu/spu.h: Likewise.
1011         * config/v850/v850.h: Likewise.
1012         * defaults.h: Likewise.
1013         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
1014         * expr.c (emit_block_move): Adjust use of
1015         OUTGOING_REG_PARM_STACK_SPACE.
1016         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
1017         OUTGOING_REG_PARM_STACK_SPACE.
1018         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
1019
1020 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
1021
1022         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
1023         on OMP_RETURN for OMP_FOR.
1024
1025         PR debug/35896
1026         * dwarf2out.c (dw_expand_expr, common_check): Removed.
1027         (fortran_common): New function.
1028         (gen_variable_die): Call fortran_common instead of common_check,
1029         adjust for it returning tree instead of rtx.  Formatting.
1030
1031 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
1032
1033         PR rtl/7335
1034         PR rtl/33826
1035         * see.c (see_copy_insn): Copy new pure const attributes for new call.
1036         * c-decl.c (merge_decls): Ditto.
1037         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
1038         to RTL_CONST_OR_PURE_CALL_P.
1039         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
1040         Initialized DECL_LOOPING_CONST_PURE.
1041         (process_call_operands): Set tree_side_effects properly.
1042         * tree.h (TREE_READONLY_DECL_P): Removed.
1043         (DECL_IS_PURE): Renamed to DECL_PURE_P.
1044         (DECL_LOOPING_OR_CONST_P): New macro.
1045         (struct tree_function_decl): Added looping_const_or_pure_p.
1046         (ECF_*) Renumbered.
1047         (ECF_LOOPING_OR_CONST_P): New macro.
1048         * rtlanal.c (pure_const_p): Removed.
1049         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
1050         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
1051         to RTL_CONST_CALL_P.
1052         * ipa-pure-const.c (pure_const_state_e): Added looping field.
1053         (check_decl, check_tree, check_call, scan_function): Initialize
1054         looping.
1055         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
1056         (static_execute): Set looping true for recursive functions.
1057         Undo setting state to IPA_NEITHER for recursive functions.
1058         * cse.c (cse_insn): 
1059         * ifcvt.c (noce_can_store_speculate_p): Changed
1060         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or 
1061         RTL_CONST_OR_PURE_CALL_P.
1062         * dse.c (scan_insn): Ditto.
1063         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
1064         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
1065         RTL_CONST_OR_PURE_CALL_P.
1066         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
1067         pure_call_p to RTL_CONST_CALL_P.
1068         * gimplify.c (gimplify_call_expr): Clear side effects for
1069         non-looping pure and constant calls.
1070         * calls.c (emit_call_1): Set rtl flags from ecf flags.
1071         (flags_from_decl_or_type): Set ecf flags from decl flags.
1072         (initialize_argument_information): Turn off
1073         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
1074         Change const to pure if callee_copies is true rather than just
1075         turning off const.
1076         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
1077         way of marking pure calls.
1078         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
1079         Remove hack that was supposed to fix pr7335 and remove old
1080         way of marking pure calls.
1081         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
1082         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
1083         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
1084         RTL_CONST_OR_PURE_CALL_P.
1085         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
1086         * loop-invariant.c (find_exits, find_invariant_bb): Changed
1087         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
1088         * sched-deps.c (schedule_analyze): Ditto.
1089         * rtl.h (struct rtx_def): Use call field, unchanging field, and
1090         return_val field of calls to represent pure and const function info.
1091         (CONST_OR_PURE_CALL_P): Deleted macro.
1092         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
1093         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
1094         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
1095         TREE_READONLY.
1096         * tree-optimize.c (execute_fixup_cfg): Added test for
1097         ECF_LOOPING_CONST_OR_PURE.
1098         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
1099         DECL_PURE_P.
1100         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
1101         effects for looping pure or const calls.
1102         (verify_gimple_expr): Added verification code. 
1103         * config/alpha/alpha.c (alpha_legitimize_address,
1104         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
1105         RTL_CONST_CALL_P.
1106         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
1107         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
1108         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
1109         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
1110         RTL_CONST_OR_PURE_CALL_P.
1111         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
1112         and const calls to be deleted.
1113
1114 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
1115
1116         PR target/35714
1117         * config/i386/mmx.md (mmx_subv2sf3): New expander.
1118         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
1119         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
1120         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1121         to handle nonimmediate operands.
1122         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
1123         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
1124         to handle nonimmediate operands.
1125         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
1126         (mmx_pmulhrwv4hi3): New expander.  Use
1127         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1128         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
1129         (sse2_umulv1siv1di3): New expander.  Use
1130         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1131         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
1132         (mmx_eq<mode>3): New expander.  Use
1133         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1134         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
1135         (mmx_uavgv8qi3): New expander.  Use
1136         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1137         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
1138         (mmx_uavgv4hi3): New expander.  Use
1139         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1140
1141         * config/i386/sse.md
1142         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
1143         to handle nonimmediate operands.
1144         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
1145         to handle nonimmediate operands.
1146         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
1147         to handle nonimmediate operands.
1148         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
1149         to handle nonimmediate operands.
1150         (sse2_unpckhpd_exp): New expander.  Use
1151         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1152         (sse2_unpcklpd_exp): New expander.  Use
1153         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1154         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
1155         to handle nonimmediate operands.
1156         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
1157         to handle nonimmediate operands.
1158         (*sse2_<plusminus_insn><mode>3): Rename from
1159         sse2_<plusminus_insn><mode>3 insn pattern.
1160         (sse2_<plusminus_insn><mode>3): New expander.  Use
1161         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1162         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
1163         (sse2_umulv2siv2di3): New expander.  Use
1164         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1165         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
1166         (sse4_1_mulv2siv2di3): New expander.  Use
1167         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1168         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
1169         (sse2_pmaddwd): New expander.  Use
1170         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1171         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
1172         (sse2_eq<mode>3): New expander.  Use
1173         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1174         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
1175         (sse4_1_eqv2di3): New expander.  Use
1176         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1177         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
1178         (sse2_uavgv16qi3): New expander.  Use
1179         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1180         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
1181         (sse2_uavgv16qi3): New expander.  Use
1182         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1183         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
1184         (sse2_uavgv8hi3): New expander.  Use
1185         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1186         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
1187         (ssse3_pmulhrswv8hi3): New expander.  Use
1188         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1189         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
1190         (ssse3_pmulhrswv4hi3): New expander.  Use
1191         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1192
1193         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
1194         (<sse>_vmmul<mode>3): Ditto.
1195         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
1196         (divv2df3): Ditto.
1197         (ssse3_pmaddubsw128): Use register_operand for operand 1.
1198         (ssse3_pmaddubsw): Ditto.
1199
1200         * config/i386/i386.c (struct_builtin_description)
1201         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
1202         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
1203         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
1204         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
1205         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
1206         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
1207         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
1208         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
1209         (ix86_fixup_binary_operands): Assert that src1
1210         and src2 must have the same mode when swapped.
1211         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
1212         and ix86_binary_operator_ok.  Do not force operands in registers
1213         when optimizing.
1214
1215 2008-05-07  Jan Hubicka  <jh@suse.cz>
1216
1217         * cgraph.c (dump_cgraph_node): Update.
1218         * cgraph.h (cgraph_local_info): Break out inline summary.
1219         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
1220         hook.
1221         * ipa-inline (inline_summary): New accestor function.
1222         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
1223         cgraph_decide_inlining, compute_inline_parameters): Update.
1224         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
1225
1226 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
1227
1228         Cleanup ColdFire scheduling support and add V4 pipeline model.
1229
1230         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
1231         (define_attr cpu): Add cfv4 value.
1232         (define_attr type, define_attr type1): Merge into a single 'type'
1233         attribute.  Update all uses.
1234         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
1235         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
1236         Update all uses.
1237         (define_attr opx_mem, define_attr opy_mem): Remove.
1238         (define_attr op_mem): Clean up, update comment.
1239         (define_attr size): Use specific values instead of general int.
1240         (define_attr guess, define_attr split): Remove.  Update all uses.
1241         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
1242         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
1243         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
1244         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
1245         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
1246         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
1247         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
1248         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
1249         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
1250         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
1251         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
1252         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
1253         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
1254         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
1255         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
1256         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
1257         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
1258         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
1259         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
1260         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
1261         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
1262         Update or set attributes.
1263         (stack_tie): New fake instruction.
1264
1265         * config/m68k/m68k.h (TUNE_CFV4): New macro.
1266         (m68k_sched_attr_size): Update declaration.
1267         (m68k_sched_attr_type2): Remove.
1268         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
1269         Declare new bypass predicates.
1270
1271         * config/m68k/m68k.c (m68k_sched_issue_rate,
1272         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
1273         implementations.
1274         (TARGET_SCHED_ISSUE_RATE,
1275         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
1276         (override_options): Handle scheduling for ColdFire V4 core.
1277         (m68k_expand_prologue): Emit stack_tie.
1278         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
1279         'OP_TYPE_FPN'.  Update all uses.
1280         (sched_guess_p): Remove.
1281         (sched_address_type): Handle symbolic addresses.
1282         (sched_get_operand): New static function.
1283         (sched_operand_type): Merge into sched_attr_op_type.
1284         (sched_attr_op_type): Handle FP registers, handle quick constants,
1285         update.
1286         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
1287         (m68k_sched_attr_size): Update.  Move logic to ...
1288         (sched_get_attr_size_int): New static function.
1289         (sched_get_opxy_mem_type): New static function.
1290         (m68k_sched_attr_op_mem): Update.
1291         (m68k_sched_attr_type2): Remove.
1292         (sched_cfv4_bypass_data): New static variable.
1293         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
1294         (m68k_sched_issue_rate): Implement scheduler hook.
1295         (struct _sched_ib: enabled_p): New field.
1296         (m68k_sched_variable_issue): Update.  Handle V4.
1297         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
1298         sched_dump_class_func_t, sched_dump_split_class,
1299         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
1300         sched_dump_dfa_class, m68k_sched_dump): Remove.
1301         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
1302         hook.
1303         (m68k_sched_init_global): Remove statisctics dumping, introduce
1304         sanity check that all instructions have pipeline reservations.  Handle
1305         ColdFire V4 core.
1306         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
1307         Handle ColdFire V4 core.
1308         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
1309         New static functions.
1310         (m68k_sched_address_bypass_p): New bypass predicate.
1311         (sched_get_indexed_address_scale): New static function.
1312         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
1313
1314         * cf.md: Update comments.
1315         (define_attr type2): Remove.  Use 'type' attribute instead.
1316         Update all uses.
1317         (cf_ib): Rename to cfv123_ib.  Update all uses.
1318         (cf_oep): Rename to cfv123_oep.  Update all uses.
1319         (cf_chr): Rename to cfv123_chr.  Update all uses.
1320         (cf_mem): Rename to cfv123_mem.  Update all uses.
1321         (cf_mac): Move to more appropriate place.
1322         (cfv123_guess): New automaton and cpu_unit.
1323         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
1324         Update uses of 'size' attribute.  Handle before reload scheduling.
1325         (cfv123_guess): New dummy reservation for unhandled instructions.
1326         (cfv4_*): Pipeline description of ColdFire V4 core.
1327         (ignore): New reservation to handle 'ignore' type.
1328
1329 2008-05-07  Ian Lance Taylor  <iant@google.com>
1330
1331         PR middle-end/36013
1332         * gimplify.c (find_single_pointer_decl_1): Don't look through
1333         indirections.
1334         (find_single_pointer_decl): Adjust comments.
1335
1336 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
1337
1338         PR middle-end/36137
1339         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
1340         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
1341
1342         PR middle-end/36106
1343         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
1344         integral type rather than floating point, then VIEW_CONVERT_EXPR
1345         to the floating point type.
1346
1347 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
1348
1349         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
1350         TFmode op0 to register.
1351
1352 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
1353
1354         * c-decl.c (grokdeclarator): Comment typo.
1355
1356 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
1357
1358         * tree-flow.h: Remove prototype for computed_goto_p.
1359         * tree-cfg.c (computed_goto_p): Make static.
1360
1361 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1362
1363         PR target/35657
1364         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
1365         (contains_aligned_value_p): This.  Handle _Decimal128.
1366         (ix86_function_arg_boundary): Only align _Decimal128 to its
1367         natural boundary and handle it properly.
1368
1369 2008-05-06  Martin Jambor  <mjambor@suse.cz>
1370
1371         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
1372         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
1373         (ipcp_method_set_orig_node): Removed.
1374         (ipcp_cval_get_cvalue_type): Removed.
1375         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
1376         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
1377         (ipcp_cval_set_cvalue_type): Removed.
1378         (ipcp_cval_get_cvalue): Removed.
1379         (ipcp_cval_set_cvalue): Removed.
1380         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
1381         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
1382         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
1383         (ipcp_cval_meet): Renamed to ipa_lattice_meet
1384         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
1385         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
1386         (ipcp_get_ith_lattice): Changed parameters.
1387         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
1388         (ipcp_lattice_from_jfunc): Changed parameters.
1389         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
1390         (ipcp_method_cval_print): Added temporary variable info.
1391         (ipcp_redirect): Removed already unused local variable caller.
1392         (ipcp_redirect): New temporary variable orig_callee_info
1393         (ipcp_redirect): Removed newly unused local variable callee.
1394         (ipcp_redirect): Removed (a bit confusing) local variable type.
1395         (ipcp_insert_stage): Added local variable info.
1396         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters 
1397         renamed too
1398         (ipcp_formal_create): Removed.
1399         (ipcp_method_cval_set): Removed.
1400         (ipcp_propagate_stage): Renamed lattice variables.
1401         (ipcp_method_cval_set_cvalue_type): Removed.
1402         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
1403         (ipcp_print_all_lattices): Changed printed strings to refer to 
1404         lattices rather than cvals.
1405         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
1406         (ipcp_propagate_const): Changed formal parameters.
1407         (build_const_val): Changed formal parameters.
1408         (ipcp_insert_stage): Removed useless variable cvalue
1409         (build_const_val): Changed formal parameters.
1410         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
1411         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
1412         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
1413         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
1414         (ipcp_print_func_profile_counts): Changed string from "method" to 
1415         "function"
1416         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
1417         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
1418         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
1419         (ipcp_structures_print): Renamed to ipcp_print_all_structures
1420         (ipcp_profile_print): Renamed to ipcp_print_profile_data
1421         (ipcp_lat_is_const): Changed parameters and made inline.
1422         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
1423         (ipcp_redirect): Renamed to ipcp_need_redirect_p
1424         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using 
1425         the predicate condition directly
1426         (ipcp_propagate_stage): Added local variable args. Removed local
1427         variable callee.  (Both are mere code simplifications.)
1428         (ipcp_method_dont_insert_const): Renamed to
1429         ipcp_node_not_modifiable_p.
1430         (ipcp_node_not_modifiable_p): Made inline.
1431         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
1432         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
1433         (ipcp_print_all_lattices): Removed variable cvalue
1434         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
1435         Updated comments.
1436
1437 2008-05-06  Olivier Hainque  <hainque@adacore.com>
1438
1439         * tree-sra.c (try_instantiate_multiple_fields): Early return
1440         if field has POINTER_TYPE.
1441
1442 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
1443
1444         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
1445         by using 'q' specifier for instruction.
1446         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
1447
1448 2008-05-06  Anatoly Sokolov <aesok@post.ru>
1449
1450         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
1451         Change mode of zero_extract from QImode to HImode.
1452         (sign bit tests peepholes): (Ditto.).
1453
1454 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
1455
1456         * config/i386/mmx.md: Remove double backslashes from asm templates.
1457         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
1458         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1459         to handle nonimmediate operands.
1460         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
1461         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1462         to handle nonimmediate operands.
1463         (*mmx_<code>v2sf3_finite): New insn pattern.
1464         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
1465         (mmx_<code>v2sf3): New expander.  Use
1466         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1467         (mmx_<plusminus_insn><mode>3): New expander.  Use
1468         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1469         (*mmx_<plusminus_insn><mode>3): New insn pattern.
1470         (mmx_add<mode>3): Removed.
1471         (mmx_ssadd<mode>3): Ditto.
1472         (mmx_usadd<mode>3): Ditto.
1473         (mmx_sub<mode>3): Ditto.
1474         (mmx_sssub<mode>3): Ditto.
1475         (mmx_ussub<mode>3): Ditto.
1476         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
1477         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
1478         to handle nonimmediate operands.
1479         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
1480         insn pattern.
1481         (mmx_smulv4hi3_highpart): New expander.  Use
1482         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1483         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
1484         insn pattern.
1485         (mmx_umulv4hi3_highpart): New expander.  Use
1486         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1487         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
1488         (mmx_<code>v4hi3): New expander.  Use
1489         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1490         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
1491         (mmx_<code>v8qi3): New expander.  Use
1492         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1493         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
1494         (mmx_<code><mode>3): New expander.  Use
1495         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1496
1497 2008-05-05  Jan Hubicka  <jh@suse.cz>
1498
1499         PR tree-optimization/36118
1500         * passes.c (pass_init_dump_file): Fix dump header.
1501
1502 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1503
1504         PR middle-end/36141
1505         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
1506         VCE for function decls.
1507
1508 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
1509
1510         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
1511
1512 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
1513
1514         * config/i386/i386.md (sat_plusminus): New.
1515         (plusminus_insn): Likewise.
1516         (plusminus_mnemonic): Likewise.
1517         (addsub): Removed.
1518         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
1519         (*<addsub><mode>3_cc_overflow): Renamed to ...
1520         (*<plusminus_insn><mode>3_cc_overflow): This.
1521         (*<addsub>si3_zext_cc_overflow): Renamed to ...
1522         (*<plusminus_insn>si3_zext_cc_overflow): This.
1523
1524         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
1525         (<plusminus_insn><mode>3): This.
1526         (*<addsub><mode>3): Renamed to ...
1527         (*<plusminus_insn><mode>3): This.
1528         (<sse>_vm<addsub><mode>3): Renamed to ...
1529         (<sse>_vm<plusminus_insn><mode>3): This.
1530         (sse3_h<addsub>v4sf3): Renamed to ...
1531         (sse3_h<plusminus_insn>v4sf3): This.
1532         (sse3_h<addsub>v2df3): Renamed to ...
1533         (sse3_h<plusminus_insn>v2df3): This.
1534         (<plusminus_insn><mode>3): New.
1535         (*<plusminus_insn><mode>3): Likewise.
1536         (sse2_<plusminus_insn><mode>3): Likewise.
1537         (add<mode>): Removed.
1538         (*add<mode>3): Likewise.
1539         (sse2_ssadd<mode>3): Likewise.
1540         (sse2_usadd<mode>3): Likewise.
1541         (sub<mode>3): Likewise.
1542         (*sub<mode>3): Likewise.
1543         (sse2_sssub<mode>3): Likewise.
1544         (sse2_ussub<mode>3): Likewise.
1545
1546 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
1547
1548         * gthr-single.h: Add in required interface elements as per gthr.h.
1549         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
1550         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
1551         Generalize UNUSED macro. 
1552         (__gthread_once): Add.
1553         (__gthread_key_create): Add.
1554         (__gthread_key_delete): Add.
1555         (__gthread_getspecific): Add.
1556         (__gthread_setspecific): Add.
1557         
1558 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
1559
1560         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
1561         the same size types for the indirect reference on the rhs, then
1562         create a VCE.
1563
1564 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
1565
1566         * config/i386/i386.md
1567         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
1568         one insn template instead of template series.
1569         (*xordi_1_rex64): Ditto.
1570         (*xordi_2_rex64): Ditto.
1571
1572 2008-05-05  Ira Rosen  <irar@il.ibm.com>
1573
1574         PR tree-optimization/36119
1575         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
1576         in case of SLP.
1577
1578 2008-06-04  Jan Hubicka  <jh@suse.cz>
1579
1580         tree-optimization/36100
1581         * tree-pass.h (pass_O0_always_inline): Declare.
1582         * ipa-inline.c (inline_transform): Remove dead code.
1583         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
1584         pass_O0_always_inline): New.
1585         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
1586
1587 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
1588
1589         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
1590         mnemonic in this_param move for TARGET_64BIT.
1591
1592 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
1593
1594         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
1595         (*strmovsi_rex_1): Ditto.
1596         (*strsetsi_1): Ditto.
1597         (*strsetsi_rex_1): Ditto.
1598
1599         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
1600         adddicc expanders using SWI mode iterator.
1601
1602 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1603
1604         PR target/36121
1605         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
1606         argument handling.
1607
1608 2008-05-04  David S. Miller  <davem@davemloft.net>
1609
1610         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
1611         (sparc*-*-linux*): Use linux.h in tm_file.
1612         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
1613         compiler defaulting to 32-bit.
1614         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
1615         no longer needed.
1616         * config/sparc/linux.h: Remove definitions now obtained
1617         properly from linux.h
1618         * config/sparc/linux64.h: Likewise.
1619         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
1620         don't want this setting for 32-bit builds in a biarch compiler.
1621         * doc/install.texi: Add sparc-linux to list of targets
1622         supporting --enable-targets=all.
1623
1624 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
1625
1626         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
1627
1628 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
1629
1630         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
1631         after V4SI_FTYPE_V8HI.
1632         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
1633         case V4SI_FTYPE_V2DF.
1634
1635 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
1636
1637         * doc/invoke.texi (max-flow-memory-locations): Removed.
1638         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
1639         
1640 2008-05-03  Richard Guenther  <rguenther@suse.de>
1641
1642         PR middle-end/34973
1643         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
1644
1645 2008-05-02  David S. Miller  <davem@davemloft.net>
1646
1647         * config.gcc (need_64bit_hwint): Document libcpp dependency.
1648
1649 2008-05-02  Simon Baldwin <simonb@google.com>
1650
1651         PR bootstrap/36108
1652         * c-common.h (warn_array_subscript_range): Removed.
1653         * c-common.c (warn_array_subscript_range): Ditto.
1654         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
1655         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
1656
1657 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
1658
1659         * config/i386/i386.c (ix86_special_builtin_type): New.
1660         (bdesc_special_args): Likewise.
1661         (ix86_expand_special_args_builtin): Likewise.
1662         (ix86_init_mmx_sse_builtins): Updated.
1663         (ix86_expand_builtin): Updated.
1664         (ix86_expand_store_builtin): Removed.
1665         (ix86_expand_unop_builtin): Likewise.
1666
1667         * config/i386/mm3dnow.h (__v2sf): Moved to ...
1668         * config/i386/mmintrin.h (__v2sf): Here.
1669
1670         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
1671         const __v2sf.
1672         (_mm_loadl_pi): Likewise.
1673         (_mm_storeh_pi): Replace __v2si with __v2sf.
1674         (_mm_storel_pi): Likewise.
1675
1676         * doc/extend.texi: Correct __builtin_ia32_loadhps,
1677         __builtin_ia32_loadlps, __builtin_ia32_storehps,
1678         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
1679         __builtin_ia32_loadlpd.
1680
1681 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
1682
1683         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
1684         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
1685         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
1686         (ix86_init_mmx_sse_builtins): Updated.
1687         (ix86_expand_args_builtin): Likewise.
1688         (ix86_expand_builtin): Likewise.
1689         (ix86_expand_unop1_builtin): Renamed to ...
1690         (ix86_expand_unop_vec_merge_builtin): This.
1691
1692 2008-05-01  Jan Hubicka  <jh@suse.cz>
1693
1694         PR bootstrap/36100
1695         * ipa-inline.c (inline_generate_summary): Make static.
1696         (inline_transform): Do not call inlining at -O0; make static.
1697         * passes.c (execute_todo): Add sanity check.
1698         (execute_one_ipa_transform_pass): Execute proper flags.
1699
1700 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
1701
1702         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
1703         (DECL_NONADDRESSABLE_P): Likewise.
1704         * alias.c (record_component_aliases): Fix comment.
1705
1706 2008-05-01  Simon Baldwin <simonb@google.com>
1707
1708         * c-common.h (warn_array_subscript_range): New function.
1709         * c-common.c (warn_array_subscript_range): Ditto.
1710         * tree-vrp.c (check_array_ref): Corrected code to agree with
1711         comment, ignoring only arrays of size 0 or size 1.
1712         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
1713
1714 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1715
1716         * config/i386/i386.c (ix86_builtin_type): Replace
1717         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
1718         (bdesc_args): Updated.
1719         (ix86_init_mmx_sse_builtins): Likewise.
1720         (ix86_expand_args_builtin): Likewise.
1721
1722         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
1723         with __v1di.
1724
1725         * doc/extend.texi: Correct __builtin_ia32_palignr.
1726
1727 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1728
1729         PR target/36095
1730         * config/i386/i386.c (bdesc_crc32): Removed.
1731         (ix86_expand_crc32): Likewise.
1732         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
1733         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
1734         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
1735         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
1736         UINT_FTYPE_UINT_UCHAR.
1737         (bdesc_args): Updated. Add crc32 builtins.
1738         (ix86_init_mmx_sse_builtins): Updated.
1739         (ix86_expand_args_builtin): Updated to support subreg.
1740
1741         * doc/extend.texi: Correct __builtin_ia32_crc32di.
1742
1743 2008-05-01  Jan Hubicka  <jh@suse.cz>
1744
1745         * tree-pass.h (opt_pass): Add IPA_PASS.
1746         (varpool_node, cgraph_node): Forward declare.
1747         (ipa_opt_pass): Define.
1748         (pass_ipa_inline): Turn into ipa_opt_pass.
1749         (pass_apply_inline): Remove.
1750         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
1751         (apply_inline): Turn into ....
1752         (inline_transform): ... this one.
1753         (inline_generate_summary): New function.
1754         (pass_apply_inline): Remove.
1755         * function.h (ipa_opt_pass): Forward declare structure; typedef;
1756         vector.
1757         (struct function): Add ipa_transforms_to_apply.
1758         * passes.c (register_one_dump_file): Work on IPA_PASS.
1759         (init_optimization_passes): Remove pass_inline_parameters and
1760         pass_apply_inline.
1761         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
1762         (execute_one_pass) ... here; apply transforms when possible.
1763         (add_ipa_transform_pass, execute_ipa_summary_asses,
1764         execute_one_ipa_transform_pass): New.
1765         (execute_ipa_pass_list): Update for IPA_PASS type.
1766
1767 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1768
1769         * config/i386/i386.c (ix86_builtin_type): Add
1770         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
1771         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
1772         (bdesc_args): Add SSE4a builtins.
1773         (ix86_init_mmx_sse_builtins): Updated.
1774         (ix86_expand_args_builtin): Likewise.
1775         (ix86_expand_builtin): Likewise.
1776
1777 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1778
1779         * config/i386/i386.c (ix86_builtin_type): Add
1780         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
1781         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
1782         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
1783         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
1784         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
1785         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
1786         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
1787         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
1788         and DI_FTYPE_DI_DI_INT.
1789         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
1790         (ix86_init_mmx_sse_builtins): Updated.
1791         (ix86_expand_args_builtin): Likewise.
1792         (ix86_expand_builtin): Likewise.
1793         (ix86_expand_binop_imm_builtin): Removed.
1794
1795         * doc/extend.texi: Correct __builtin_ia32_palignr128.
1796
1797 2008-04-30  Richard Guenther  <rguenther@suse.de>
1798
1799         PR tree-optimization/32921
1800         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
1801
1802 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
1803
1804         * config/arm/arm.c (arm_unwind_emit): Use
1805         crtl->all_throwers_are_sibcalls instead of
1806         cfun->all_throwers_are_sibcalls.
1807         (arm_output_fn_unwind): Likewise.
1808         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
1809         instead of cfun->uses_pic_offset_table.
1810         (frv_expand_prologue): Likewise.
1811         (frv_frame_pointer_required): Likewise.
1812         (frv_expand_fdpic_call): Likewise.
1813         (frv_emit_movsi): Likewise.
1814         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
1815         cfun->returns_pcc_struct instead of
1816         current_function_returns_pcc_struct.
1817         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
1818         instead of cfun->calls_eh_return.
1819         (m32c_pushm_popm): Likewise.
1820         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
1821         "extern" declaration.
1822
1823 2008-04-30  Richard Guenther  <rguenther@suse.de>
1824
1825         PR tree-optimization/21636
1826         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
1827         constant address.
1828         (evaluate_stmt): Print the likely value.
1829         (ccp_visit_stmt): Avoid excessive vertical spacing.
1830
1831 2008-04-30  Rafael Espindola  <espindola@google.com>
1832
1833         * builtins.c (fold_call_expr): Return realret.
1834         * tree-ssa-threadedge.c
1835         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1836         __builtin_object_size.
1837
1838 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
1839
1840         * gcc.c (wrapper_string): New variable.
1841         (insert_wrapper): New function.
1842         (execute): New option -wrapper.
1843         * doc/invoke.texi (Overall Options): New driver option -wrapper.
1844
1845 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
1846
1847         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
1848         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
1849         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
1850         from...
1851         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
1852         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
1853         config/rs6000/e500crtres64gprctr.asm,
1854         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
1855         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
1856         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
1857         config/rs6000/e500crtsav64gprctr.asm,
1858         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
1859         config/rs6000/e500crtsavg64gprctr.asm: New files.
1860         * config/rs6000/t-ppccomm: Add build rules for new files.
1861         (LIB2FUNCS_STATIC_EXTRA): Add new files.
1862         * config/rs6000/t-netbsd: Add build rules for new files.
1863         (LIB2FUNCS_STATIC_EXTRA): New variable.
1864         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
1865         (CRTSAVRES_DEFAULT_SPEC): Likewise.
1866         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
1867
1868 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
1869
1870         * config/i386/i386.c (ix86_builtin_type): Add
1871         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
1872         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
1873         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
1874         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
1875         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
1876         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
1877         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
1878         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
1879         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
1880         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
1881         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
1882         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
1883         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
1884         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
1885         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
1886         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
1887         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
1888         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
1889         V1DI_FTYPE_V2SI_V2SI.
1890         (bdesc_2arg): Moved to ...
1891         (bdesc_args): Here.
1892         (ix86_init_mmx_sse_builtins): Updated.
1893         (ix86_expand_args_builtin): Updated.  Take a pointer
1894         to const struct builtin_description.  Handle comparison
1895         builtin functions.
1896         (ix86_expand_sse_compare): Take a new argument for swapping operands.
1897         (ix86_expand_builtin): Updated.
1898
1899         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
1900         (ssse3_pmaddubsw128): This.
1901         (ssse3_pmaddubswv4hi3): Renamed to ...
1902         (ssse3_pmaddubsw): This.
1903
1904         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
1905         (__builtin_ia32_packssdw128): Likewise.
1906         (__builtin_ia32_packuswb128): Likewise.
1907         (__builtin_ia32_pmaddubsw): Likewise.
1908         (__builtin_ia32_pmaddubsw128): Likewise.
1909
1910 2008-04-30  Richard Guenther  <rguenther@suse.de>
1911
1912         PR tree-optimization/14847
1913         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
1914         (recognize_bits_test): Use it.
1915         (recognize_single_bit_test): Likewise.
1916
1917 2008-04-30  Martin Jambor  <mjambor@suse.cz>
1918
1919         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
1920         instead of setting number of formal parameters to zero.
1921         (ipcp_init_stage): Do not set the number of actual parameters to zero 
1922         either.
1923         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
1924         which are called with variable number of arguments.
1925         (ipcp_insert_stage): Explicitely skipping all nodes which are
1926         called with variable number of arguments.
1927         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
1928         number of parameters.
1929
1930         * ipa-prop.h (struct ipa_node_params): Added flag
1931         called_with_var_arguments
1932         (ipa_set_param_count): Added.  Changed sole setter to use it.
1933         (ipa_get_param_count): Added.  All readers of param_count
1934         converted to use it instead.
1935         (ipa_set_called_with_variable_arg): Added.
1936         (ipa_is_called_with_var_arguments): Added.
1937         (ipa_get_ith_param): Added.  All readers of param_decls converted
1938         to use it instead.
1939         (ipa_set_cs_argument_count): Added, sole writer to argument_count 
1940         changed to use it. 
1941         (ipa_get_cs_argument_count): Added, all readers of argument_count
1942         changed to cal it.
1943         (ipa_get_ith_jump_func): Added. Accessors of jump values changed 
1944         to use it.
1945         
1946         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
1947         (struct ipcp_lattice): Renamed cval_type to type
1948         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
1949
1950         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
1951         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
1952         (ipcp_insert_stage): Changed the type of variable cvalue to tree
1953         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
1954         (build_const_val): Changed the type of parameter cvalue to tree
1955         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
1956         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
1957         
1958         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
1959         constant 
1960
1961         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
1962         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
1963         (ipa_add_method): Renamed to ipa_push_func_to_list
1964         (ipa_remove_method): Renamed to ipa_pop_func_from_list
1965         (ipa_callsite_param_count): Removed.
1966         (ipa_callsite_param_count_set): Removed.
1967         (ipa_callsite_param): Removed.
1968         (ipa_callsite_callee): Removed.
1969         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
1970         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
1971         (ipa_method_formal_count): Removed.
1972         (ipa_method_formal_count_set): Removed.
1973         (ipa_method_get_tree): Removed.
1974         (ipa_method_tree_map_create): Removed.
1975         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
1976         (ipa_create_param_decls_array): Creates the array itself
1977         (ipa_create_param_decls_array): Temporary variable info instead of 
1978         a few dereferences.
1979         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
1980         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
1981         (get_type): Removed.
1982         (ipa_jf_get_info_type): Removed.
1983         (ipa_node_create): Renamed to ipa_create_node_params
1984         (ipa_free): Renamed to ipa_free_all_node_params
1985         (ipa_nodes_create): Renamed to ipa_create_all_node_params
1986         (ipa_edges_create): Renamed to ipa_create_all_edge_args
1987         (ipa_edges_free): Renamed to ipa_free_all_edge_args
1988         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
1989         (ipa_free_all_node_params): Deallocation to jump_functions moved to 
1990         ipa_free_all_edge_args
1991         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
1992         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
1993         (ipa_create_methodlist_node): Removed.
1994         (ipa_methodlist_method): Removed.
1995         (ipa_methodlist_method_set): Removed.
1996         (ipa_methodlist_next_method): Removed.
1997         (ipa_methodlist_next_method_set): Removed.
1998         (ipa_method_is_modified): Removed.
1999         (ipa_method_modify_create): Removed.
2000         (ipa_method_modify_init): Temporary variable info instead of a few 
2001         dereferences.
2002         (ipa_detect_param_modifications): Temporary variable info instead of 
2003         a few dereferences.
2004         (ipa_compute_jump_functions): Temporary variable info instead of 
2005         a few dereferences.
2006         (ipa_method_modify_set): Removed.
2007         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
2008         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
2009         than craph_node as the first parameter.
2010         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
2011         (ipa_method_modify_init): Removed.
2012         (ipa_compute_jump_functions): Added a temp variable instead of 
2013         repeatadly dereferencing the cgraph_edge.aux pointer
2014         (ipa_callsite_param_set_type): Removed.
2015         (ipa_compute_jump_functions): i renamed to index and moved to 
2016         an inner block
2017         (ipa_callsite_param_set_info_type_formal): Removed.
2018         (ipa_callsite_param_set_info_type): Removed.
2019         (ipa_callsite_param_map_create): Removed.
2020         (ipa_callsite_tree): Removed.
2021         (ipa_callsite_caller): Removed.
2022         (ipa_pop_func_from_list): return_method removed to return_func
2023
2024         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
2025         prefixed all values with IPA_. Changed all users.
2026         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
2027         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
2028         and FORMAL_IPATYPE IPA_PASS_THROUGH. 
2029         (union parameter_info): Renamed to jump_func_value.
2030         (union jump_func_value): Renamed value to constant
2031         (struct ipa_jump_func): Renamed info_type to value
2032         (struct ipa_node): Renamed to ipa_node_params
2033         (struct ipa_node_params): Renamed ipa_arg_num to param_count
2034         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
2035         (struct ipa_node_params): Renamed ipa_mod to modified_flags
2036         (struct ipa_edge): Renamed to ipa_edge_args
2037         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
2038         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
2039         (struct ipa_methodlist): Renamed to ipa_func_list
2040         (struct ipa_func_list): method_p renamed to node, next_method
2041         renamed to next
2042         (ipa_methodlist_p): Removed, switched all users to struct pointer
2043         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
2044
2045 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
2046
2047         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
2048         (rs6000_emit_epilogue): Use backchain to restore only when we
2049         have a large frame.  Make use of frame pointer to restore if we
2050         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
2051
2052 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
2053
2054         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
2055         Add mode to zero_extract.
2056         (sign bit tests peepholes): (Ditto.).
2057
2058 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2059
2060         * config/i386/i386.c (ix86_builtins): Replace Prescott New
2061         Instructions in comments with SSE3.
2062         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
2063         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
2064         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
2065         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
2066         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
2067         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
2068         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
2069         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
2070         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
2071         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
2072         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
2073         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
2074         (bdesc_sse_args): Renamed to ...
2075         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
2076         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
2077         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
2078         IX86_BUILTIN_FABSQ.
2079         (bdesc_1arg): Moved to ...
2080         (bdesc_args): Here.
2081         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
2082         Instructions in comments with SSE3.
2083         (ix86_expand_sse_operands_builtin): Renamed to ...
2084         (ix86_expand_args_builtin): This.  Updated.
2085         (ix86_expand_unop1_builtin): Update comments.
2086         (ix86_expand_builtin): Updated.
2087
2088 2008-04-29  Richard Guenther  <rguenther@suse.de>
2089
2090         PR tree-optimization/36078
2091         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
2092         Update virtual SSA form after cleaning up the CFG.
2093
2094 2008-04-29  Richard Guenther  <rguenther@suse.de>
2095
2096         PR middle-end/15255
2097         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
2098
2099 2008-04-29  Richard Guenther  <rguenther@suse.de>
2100
2101         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
2102         (compute_may_aliases): Do not call finalize_ref_all_pointers.
2103         (compute_flow_insensitive_aliasing): Do not treat
2104         PTR_IS_REF_ALL pointers special.
2105         (get_smt_for): Likewise.
2106         (may_alias_p): Re-structure.
2107         (is_escape_site): A ref-all pointer conversion is not an escape site.
2108         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
2109         PTR_IS_REF_ALL pointers special.
2110         * tree-ssa-structalias.h (struct alias_info): Remove
2111         ref_all_symbol_mem_tag field.
2112         (PTR_IS_REF_ALL): Remove.
2113
2114 2008-04-29  Richard Guenther  <rguenther@suse.de>
2115
2116         PR middle-end/36077
2117         * fold-const.c (extract_muldiv_1): In combining division constants
2118         make sure to never overflow.
2119
2120 2008-04-29  Nick Clifton  <nickc@redhat.com>
2121
2122         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
2123
2124 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2125
2126         PR bootstrap/35169
2127         * optc-gen.awk: Work around HP-UX/IA awk bug.
2128
2129 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
2130
2131         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
2132         2008-04-25 commit.
2133
2134 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
2135
2136         PR target/36073
2137         * config/i386/i386.md
2138         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
2139         Change operand 1 predicate to nonimmediate_operand.
2140
2141 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
2142
2143         PR debug/36060
2144         * dwarf2out.c (struct die_struct): Mark as chain_circular through
2145         die_sub field.
2146         * gengtype.c (walk_type, write_func_for_structure): Handle
2147         chain_circular.
2148         * doc/gty.texi: Document chain_circular.
2149
2150 2008-04-28  Richard Guenther  <rguenther@suse.de>
2151
2152         PR tree-optimization/36066
2153         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
2154         SCEV and loop.
2155
2156 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
2157
2158         PR target/36064
2159         * config/i386/i386.md
2160         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
2161         Use match_scratch instead of match_operand for operands 3 and 4.
2162
2163 2008-04-27  Richard Guenther  <rguenther@suse.de>
2164
2165         PR tree-optimization/18754
2166         PR tree-optimization/34223
2167         * tree-pass.h (pass_complete_unrolli): Declare.
2168         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
2169         loop size before and after unconditionally of UL_NO_GROWTH in effect.
2170         Rewrite loop into loop closed SSA form if it is not already.
2171         (tree_unroll_loops_completely): Re-structure to iterate over
2172         innermost loops with intermediate CFG cleanups.
2173         Unroll outermost loops only if requested or the code does not grow
2174         doing so.
2175         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
2176         loops are available.
2177         (tree_vectorize): Instead do so here.
2178         (tree_complete_unroll): Also unroll outermost loops.
2179         (tree_complete_unroll_inner): New function.
2180         (gate_tree_complete_unroll_inner): Likewise.
2181         (pass_complete_unrolli): New pass.
2182         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
2183         uses outside of the loop.
2184         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
2185         form if it is available.  
2186         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
2187         * passes.c (init_optimization_passes): Schedule complete inner
2188         loop unrolling pass before the first CCP pass after final inlining.
2189
2190 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2191
2192         * targhooks.h (default_emutls_var_fields,
2193         default_emutls_var_init): Declare.
2194         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
2195         * target.h (struct gcc_target): Add struct emutls member.
2196         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
2197         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
2198         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
2199         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
2200         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
2201         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
2202         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
2203         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
2204         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
2205         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
2206         emit debug information.
2207         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
2208         * varasm.c: Include targhooks.h.
2209         (emutls_object_section, emutls_tmpl_section): New.
2210         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
2211         (EMUTLS_SEPARATOR): New.
2212         (prefix_name): New.
2213         (get_emutls_object_name): New.
2214         (default_emutls_var_fields): New, broken out of ...
2215         (get_emutls_object_type): ... here.  Adjust to use target hooks.
2216         (get_emutls_init_templ_addr): Adjust to use target hooks.
2217         (emutls_decl): Adjust to use target hooks.
2218         (emutls_finish): Likewise.
2219         (default_emutls_var_init): New, broken out of ...
2220         (assemble_variable): ... here.  Adjust to use target hooks.
2221         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
2222         SECCAT_EMUTLS_TMPL.
2223         * c-common.c (handle_section_attribute): Prevent overriding
2224         sections for emulated tls with special sections.
2225         * config/i386/i386.c (x86_64_elf_select_section): Add
2226         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
2227         (x86_64_elf_unique_section): Likewise.
2228         * config/vxworks.c: Include tree.h.
2229         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
2230         (vxworks_override_options): Set TLS scheme.
2231         * doc/tm.texi (Emulated TLS): New node.
2232
2233 2008-04-26  Simon Baldwin <simonb@google.com>
2234
2235         PR c/35652
2236         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
2237         with propagated string constants.
2238
2239 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
2240
2241         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
2242         constraint for operand 2 when operand 0 is memory operand.
2243         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
2244         operand 0 is memory operand.
2245         (fix_trunc<mode>_i387_with_temp): Ditto.
2246         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
2247         operand 2 when operand 1 is memory operand.
2248         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
2249         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
2250         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
2251         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
2252         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
2253         operands 2,3 and 4 when operand 1 is memory operand.
2254         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
2255         is memory operand.
2256         (fistdi2_floor_with_temp): Ditto.
2257         (fist<mode>2_floor_with_temp): Ditto.
2258         (fistdi2_ceil_with_temp): Ditto.
2259         (fist<mode>2_ceil_with_temp): Ditto.
2260         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
2261
2262 2008-04-26  David Daney  <ddaney@avtrex.com>
2263
2264         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
2265         unspec_volitile.
2266         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
2267         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
2268         UNSPEC_UPDATE_GOT_VERSION): Renumber.
2269         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
2270         (compare_and_swap_12): New insn.
2271         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
2272         * config/mips/mips.c (mips_force_binary): New function.
2273         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
2274         (mips_expand_compare_and_swap_12): New function.
2275         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
2276
2277 2008-04-25  Jan Hubicka  <jh@suse.cz>
2278
2279         PR testsuite/35843
2280         * cfgexpand.c (pass_expand): Turn into RTL pass.
2281         * passes.c (execute_one_pass): Do pass typechecking after execution.
2282         * tree-pass.h (pass_expand): Turn into RTL pass.
2283
2284         * function.h (struct rtl_data): Move here fields
2285         accesses_prior_frames, calls_eh_return, saves_all_registers,
2286         has_nonlocal_goto, has_asm_statement, is_thunk,
2287         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
2288         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
2289         arg_pointer_save_area_init from struct function; turn into bool.
2290         (struct function): Move
2291         calls_eh_return, saves_all_registers, has_nonlocal_goto,
2292         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
2293         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
2294         tail_call_emit, arg_pointer_save_area_init
2295         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
2296         (current_function_returns_struct, current_function_returns_pcc_struct,
2297         current_function_calls_setjmp, current_function_calls_alloca,
2298         current_function_accesses_prior_frames,
2299         current_function_calls_eh_return, current_function_is_thunk,
2300         current_function_stdarg, current_function_profile,
2301         current_function_limit_stack, current_function_uses_pic_offset_table,
2302         current_function_uses_const_pool, current_function_has_nonlocal_label,
2303         current_function_saves_all_registers,
2304         current_function_has_nonlocal_goto,
2305         current_function_has_asm_statement): Remove accesor macros.
2306         * ra-conflict.c (global_conflicts): Update.
2307         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
2308         (suitable_for_tail_call_opt_p): Update.
2309         * builtins.c (expand_builtin_return_addr): Update.
2310         (expand_builtin_setjmp_setup): Update.
2311         (expand_builtin_nonlocal_goto): Update.
2312         * final.c (final_start_function): Update.
2313         (profile_function): Update.
2314         (leaf_function_p): Update.
2315         (only_leaf_regs_used): Update.
2316         * df-scan.c (df_get_exit_block_use_set): Update.
2317         * dojump.c (clear_pending_stack_adjust): Update.
2318         * tree-stdarg.c (gate_optimize_stdarg): Update.
2319         * gimple-low.c (lower_function_body): Update.
2320         * global.c (compute_regsets): Update.
2321         (global_alloc): Update.
2322         * dwarf2out.c (dwarf2out_begin_prologue): Update.
2323         * expr.c (expand_assignment): Update.
2324         * dse.c (dse_step0): Update.
2325         (dse_step1): Update.
2326         * c-decl.c (store_parm_decls): Update.
2327         * local-alloc.c (combine_regs): Update.
2328         (find_free_reg): Update.
2329         * function.c (assign_parms_augmented_arg_list): Update.
2330         (assign_parm_find_data_types): Update.
2331         (assign_parms): Update.
2332         (allocate_struct_function): Update.
2333         (expand_function_start): Update.
2334         (expand_function_end): Update.
2335         (get_arg_pointer_save_area): Update.
2336         (thread_prologue_and_epilogue_insns): Update.
2337         (rest_of_match_asm_constraints): Update.
2338         * stor-layout.c (variable_size): Update.
2339         * gcse.c (gcse_main): Update.
2340         (bypass_jumps): Update.
2341         * gimplify.c (gimplify_function_tree): Update.
2342         * calls.c (emit_call_1): Update.
2343         (expand_call): Update.
2344         * bt-load.c (compute_defs_uses_and_gen): Update.
2345         * except.c (sjlj_assign_call_site_values): Update.
2346         (sjlj_emit_function_enter): Update.
2347         (can_throw_external): Update.
2348         (set_nothrow_function_flags): Update.
2349         (expand_builtin_unwind_init): Update.
2350         (expand_eh_return): Update.
2351         (convert_to_eh_region_ranges): Update.
2352         (output_function_exception_table): Update.
2353         * emit-rtl.c (gen_tmp_stack_mem): Update.
2354         * cfgexpand.c (expand_used_vars): Update.
2355         (tree_expand_cfg): Update.
2356         * cfgcleanup.c (rest_of_handle_jump): Update.
2357         * explow.c (allocate_dynamic_stack_space): Update.
2358         * varasm.c (assemble_start_function): Update.
2359         (force_const_mem): Update.
2360         (mark_constant_pool): Update.
2361         * tree-optimize.c (tree_rest_of_compilation): Update.
2362         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
2363         * tree-cfg.c (notice_special_calls): Update.
2364         (is_ctrl_altering_stmt): Update.
2365         (tree_can_make_abnormal_goto): Update.
2366         (tree_purge_dead_abnormal_call_edges): Update.
2367         * config/alpha/predicates.md: Update.
2368         * config/alpha/alpha.c (alpha_sa_mask): Update.
2369         (alpha_sa_size): Update.
2370         (alpha_does_function_need_gp): Update.
2371         (alpha_expand_prologue): Update.
2372         (alpha_start_function): Update.
2373         (alpha_output_function_end_prologue): Update.
2374         (alpha_expand_epilogue): Update.
2375         * config/frv/frv.c (frv_stack_info): Update.
2376         (frv_expand_epilogue): Update.
2377         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
2378         (s390_register_info): Update.
2379         (s390_frame_info): Update.
2380         (s390_init_frame_layout): Update.
2381         (s390_can_eliminate): Update.
2382         (save_gprs): Update.
2383         * config/spu/spu.c (spu_split_immediate): Update.
2384         (need_to_save_reg): Update.
2385         (spu_expand_prologue): Update.
2386         (spu_expand_epilogue): Update.
2387         * config/sparc/sparc.md: Update.
2388         * config/sparc/sparc.c (eligible_for_return_delay): Update.
2389         (sparc_tls_got): Update.
2390         (legitimize_pic_address): Update.
2391         (sparc_emit_call_insn): Update.
2392         (sparc_expand_prologue): Update.
2393         (output_return): Update.
2394         (print_operand): Update.
2395         (sparc_function_ok_for_sibcall): Update.
2396         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
2397         * config/m32r/m32r.md: Update.
2398         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
2399         (m32r_compute_frame_size): Update.
2400         (m32r_expand_prologue): Update.
2401         (m32r_expand_epilogue): Update.
2402         (m32r_legitimize_pic_address): Update.
2403         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
2404         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
2405         * config/i386/i386.c (ix86_frame_pointer_required): Update.
2406         (gen_push): Update.
2407         (ix86_save_reg): Update.
2408         (ix86_compute_frame_layout): Update.
2409         (ix86_expand_prologue): Update.
2410         (ix86_expand_epilogue): Update.
2411         * config/sh/sh.c (output_stack_adjust): Update.
2412         (calc_live_regs): Update.
2413         (sh5_schedule_saves): Update.
2414         (sh_expand_prologue): Update.
2415         (sh_expand_epilogue): Update.
2416         (sh_setup_incoming_varargs): Update.
2417         (sh_allocate_initial_value): Update.
2418         (sh_get_pr_initial_val): Update.
2419         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
2420         * config/sh/sh.md (label:): Update.
2421         * config/avr/avr.c (out_movhi_mr_r): Update.
2422         * config/crx/crx.h (enum): Update.
2423         * config/xtensa/xtensa.h (along): Update.
2424         * config/stormy16/stormy16.c Update.
2425         (xstormy16_compute_stack_layout): Update.
2426         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
2427         (fr30_expand_prologue): Update.
2428         * config/cris/cris.c (cris_conditional_register_usage): Update.
2429         (cris_reg_saved_in_regsave_area): Update.
2430         (cris_initial_frame_pointer_offset): Update.
2431         (cris_simple_epilogue): Update.
2432         (cris_expand_prologue): Update.
2433         (cris_expand_epilogue): Update.
2434         (cris_expand_pic_call_address): Update.
2435         (cris_asm_output_symbol_ref): Update.
2436         (cris_asm_output_label_ref): Update.
2437         * config/cris/cris.md Update.
2438         * config/iq2000/iq2000.c (compute_frame_size): Update.
2439         (iq2000_expand_epilogue): Update.
2440         * config/mt/mt.h (save_direction): Update.
2441         * config/mn10300/mn10300.c (mn10300_function_value): Update.
2442         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
2443         (ia64_secondary_reload_class): Update.
2444         * config/m68k/m68k.c (m68k_save_reg): Update.
2445         (m68k_expand_prologue): Update.
2446         (m68k_expand_epilogue): Update.
2447         (legitimize_pic_address): Update.
2448         * config/rs6000/rs6000.c (rs6000_got_register): Update.
2449         (first_reg_to_save): Update.
2450         (first_altivec_reg_to_save): Update.
2451         (compute_vrsave_mask): Update.
2452         (compute_save_world_info): Update.
2453         (rs6000_stack_info): Update.
2454         (spe_func_has_64bit_regs_p): Update.
2455         (rs6000_ra_ever_killed): Update.
2456         (rs6000_emit_eh_reg_restore): Update.
2457         (rs6000_emit_allocate_stack): Update.
2458         (rs6000_emit_prologue): Update.
2459         (rs6000_emit_epilogue): Update.
2460         (rs6000_output_function_epilogue): Update.
2461         (output_profile_hook): Update.
2462         (rs6000_elf_declare_function_name): Update.
2463         * config/rs6000/rs6000.h (rs6000_args): Update.
2464         * config/rs6000/rs6000.md: Update.
2465         * config/mcore/mcore.c (mcore_expand_prolog): Update.
2466         * config/arc/arc.c (arc_output_function_epilogue): Update.
2467         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
2468         * config/darwin.c (machopic_function_base_name): Update.
2469         * config/score/score3.c (score3_compute_frame_size): Update.
2470         (rpush): Update.
2471         (rpop): Update.
2472         (score3_epilogue): Update.
2473         * config/score/score7.c (score7_compute_frame_size): Update.
2474         (score7_prologue): Update.
2475         (score7_epilogue): Update.
2476         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
2477         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
2478         * config/arm/arm.c (use_return_insn): Update.
2479         (require_pic_register): Update.
2480         (arm_load_pic_register): Update.
2481         (arm_compute_save_reg0_reg12_mask): Update.
2482         (arm_compute_save_reg_mask): Update.
2483         (thumb1_compute_save_reg_mask): Update.
2484         (output_return_instruction): Update.
2485         (arm_output_function_prologue): Update.
2486         (arm_output_epilogue): Update.
2487         (arm_get_frame_offsets): Update.
2488         (arm_expand_prologue): Update.
2489         (thumb_pushpop): Update.
2490         (thumb_exit): Update.
2491         (thumb1_expand_prologue): Update.
2492         (thumb1_expand_epilogue): Update.
2493         (arm_unwind_emit): Update.
2494         (arm_output_fn_unwind): Update.
2495         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
2496         * config/arm/arm.md: Update.
2497         * config/pa/pa.md: Update.
2498         * config/pa/pa.c (legitimize_pic_address): Update.
2499         (compute_frame_size): Update.
2500         (hppa_expand_prologue): Update.
2501         (hppa_expand_epilogue): Update.
2502         (borx_reg_operand): Update.
2503         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
2504         (HARD_REGNO_RENAME_OK): Update.
2505         * config/mips/mips.c (mips_global_pointer): Update.
2506         (mips_save_reg_p): Update.
2507         (mips_compute_frame_info): Update.
2508         (mips_frame_pointer_required): Update.
2509         (mips_expand_prologue): Update.
2510         (mips_expand_epilogue): Update.
2511         (mips_can_use_return_insn): Update.
2512         (mips_reorg_process_insns): Update.
2513         * config/v850/v850.c (compute_register_save_size): Update.
2514         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
2515         * config/mmix/mmix.c (along): Update.
2516         (mmix_expand_epilogue): Update.
2517         * config/bfin/bfin.c (legitimize_pic_address): Update.
2518         (must_save_p): Update.
2519         (stack_frame_needed_p): Update.
2520         (add_to_reg): Update.
2521         (bfin_expand_prologue): Update.
2522         * stmt.c (expand_asm_operands): Update.
2523         * reload1.c (reload): Update.
2524         (init_elim_table): Update.
2525
2526 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
2527         
2528         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
2529         
2530 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
2531
2532         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
2533         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
2534         (mov<mode>): Removed.
2535         (*movv4sf_internal): Likewise.
2536         (*movv2df_internal): Likewise.
2537
2538 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
2539
2540         * config.gcc (crx-*-elf): Remove deprecation.
2541
2542 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
2543
2544         * config/i386/cygming-crtend.c (register_frame_ctor): Register
2545         __gcc_deregister_frame with atexit.
2546         (deregister_frame_dtor): Remove.
2547
2548 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
2549             Nathan Sidwell  <nathan@codesourcery.com>
2550
2551         * config/rs6000/rs6000.opt (mspe): Remove Var property.
2552         (misel): Likewise.
2553         * config/rs6000/rs6000.h (rs6000_spe): Declare.
2554         (rs6000_isel): Likewise.
2555         * config/rs6000/rs6000.c (rs6000_spe): New variable.
2556         (rs6000_isel): New variable.
2557         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
2558
2559 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2560
2561         PR c++/35758
2562         * c-common.c (handle_vector_size_attribute): Call
2563         lang_hooks.types.reconstruct_complex_type instead of
2564         reconstruct_complex_type.
2565         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
2566         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
2567         * langhooks.h (struct lang_hooks_for_types): Add
2568         reconstruct_complex_type hook.
2569         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
2570         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
2571
2572 2008-04-24  Richard Guenther  <rguenther@suse.de>
2573
2574         * c-common.h (check_builtin_function_arguments): Declare.
2575         * c-common.c (validate_nargs): New function.
2576         (check_builtin_function_arguments): Likewise.
2577         * c-typeck.c (build_function_call): Call
2578         check_builtin_function_arguments.
2579         * builtins.c (fold_builtin_classify): Remove error reporting code.
2580         (fold_builtin_unordered_cmp): Likewise.
2581         (fold_builtin_1): Likewise.
2582         (fold_builtin_n): Likewise.
2583
2584 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2585
2586         PR tree-optimization/36008
2587         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
2588         the original op1, rather than delta by step.
2589
2590 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
2591             Sebastian Pop  <sebastian.pop@amd.com>
2592
2593         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
2594         eliminate_local_variables_stmt, eliminate_local_variables,
2595         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
2596         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
2597         of code delimited by two edges in the CFG.
2598         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
2599         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
2600         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
2601         the case of parallelisation of reductions.
2602         (expr_invariant_in_region_p): New.
2603
2604         * tree-flow.h (gather_blocks_in_sese_region): Declared.
2605         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
2606
2607 2008-04-24  Ira Rosen  <irar@il.ibm.com>
2608             Richard Guenther  <rguenther@suse.de>
2609
2610         PR tree-optimization/36034
2611         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
2612         incapable of dealing with loads with gaps.
2613
2614 2008-04-24  Rafael Espindola  <espindola@google.com>
2615
2616         * tree-flow.h (vrp_evaluate_conditional): Change signature.
2617         * tree-ssa-propagate.c (fold_predicate_in): Update call to
2618         vrp_evaluate_conditional.
2619         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
2620         (vrp_evaluate_conditional): Split the cond argument.
2621         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
2622         (simplify_stmt_for_jump_threading): Update call to
2623         vrp_evaluate_conditional.
2624
2625 2008-04-24  Ira Rosen  <irar@il.ibm.com>
2626
2627         PR tree-optimization/35982
2628         * tree-vect-analyze.c (vect_check_interleaving): Check that the
2629         interleaved data-refs are of the same type.
2630
2631 2008-04-24  Danny Smith  <dannysmith@users.net>
2632
2633         * c-format.c (check_format_info_main): Use strncmp rather than a
2634         magic prefix to handle multichar length specs.
2635         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
2636         Don't prefix "I64" and "I32" with '\0'.
2637
2638 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2639
2640         PR target/36015
2641         * config/i386/i386.c (init_cumulative_args): Don't pass anything
2642         in registers for -m32 only if stdarg_p (fntype).
2643
2644 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
2645
2646         PR rtl-optimization/36006
2647         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
2648         temp to op0 in order to avoid invalid rtx sharing.
2649
2650 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
2651
2652         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
2653         check TREE_INVARIANT.
2654         * tree-gimple.c (is_gimple_address): New.
2655         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
2656         * tree-gimple.h (is_gimple_address): New.
2657         * tree.h (decl_address_invariant_p): New.
2658         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
2659         (build_string): Likewise.
2660         (decl_address_invariant_p): New, from is_gimple_invariant_address.
2661         (tree_invariant_p_1): Likewise.
2662         (save_expr): Use it.
2663         (tree_invariant_p): New.
2664         (skip_simple_arithmetic): Use it.
2665         (stabilize_reference_1): Use it.
2666         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
2667         simplify.
2668         (build1_stat): Drop code to compute TREE_INVARIANT.
2669         (build2_stat): Drop code to compute TREE_INVARIANT.
2670         (build3_stat): Drop code to compute TREE_INVARIANT.
2671         (build4_stat): Drop code to compute TREE_INVARIANT.
2672         (build5_stat): Drop code to compute TREE_INVARIANT.
2673         (build7_stat): Drop code to compute TREE_INVARIANT.
2674         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
2675         * tree.h (struct tree_base): Remove invariant_flag.
2676         (TREE_INVARIANT): Remove.
2677         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
2678         (fold_builtin_expect): Check TREE_CONSTANT.
2679         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
2680         * c-tree.h (c_expr_to_decl): Drop third parameter.
2681         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
2682         (build_c_cast): Don't set TREE_INVARIANT.
2683         (pop_init_level): Don't set TREE_INVARIANT.
2684         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
2685         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
2686         TREE_CONSTANT.
2687         (gimplify_init_constructor): Don't set TREE_INVARIANT.
2688         (gimplify_addr_expr): Adjust comment.
2689         * tree-mudflap.c (mf_build_string):
2690         * print-tree.c (print_node): Don't print TREE_INVARIANT.
2691         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
2692         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
2693         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
2694         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
2695         * langhooks.h (struct lang_hooks): Drop third parameter from
2696         expr_to_decl.
2697
2698 2008-04-23  Richard Guenther  <rguenther@suse.de>
2699
2700         PR tree-optimization/27799
2701         PR tree-optimization/32921
2702         PR tree-optimization/32624
2703         * tree-ssa-structalias.c (merge_smts_into): Only merge the
2704         SMTs aliases and the tag itself into the solution.
2705         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
2706         merge the points-to solution back into the SMT aliases.
2707         (may_alias_p): Use alias_set_subset_of instead of
2708         aliases_conflict_p.  A pointer which points to
2709         memory with alias set zero may access any variable.
2710
2711 2008-04-23  Richard Guenther  <rguenther@suse.de>
2712
2713         * alias.c (alias_set_subset_of): Correctly handle asking
2714         if zero is a subset of an alias set with zero child.
2715         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
2716         (compute_flow_insensitive_aliasing): Correctly walk all
2717         pointers.  Do not unnecessarily union sets.
2718
2719 2008-04-23  Richard Guenther  <rguenther@suse.de>
2720
2721         PR middle-end/36021
2722         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
2723
2724 2008-04-22  Tomas Bily  <tbily@suse.cz>
2725
2726         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
2727         unreachable case.
2728         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
2729         NON_LVALUE_EXPR.
2730         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
2731         * tree-ssa-structalias.c (get_constraint_for): Likewise.
2732         * tree-inline.c (estimate_num_insns_1): Likewise.
2733         * varasm.c (const_hash_1, compare_constant, copy_constant)
2734         (compute_reloc_for_constant, output_addressed_constants): Likewise.
2735         * emit-rtl.c (component_ref_for_mem_expr)
2736         (set_mem_attributes_minus_bitpos): Likewise.
2737         * expr.c (highest_pow2_factor, expand_expr_real_1, )
2738         (is_aligning_offset): Likewise.
2739         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
2740         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
2741         * dojump.c (do_jump): Likewise.
2742         * builtins.c (get_pointer_alignment, get_memory_rtx)
2743         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
2744         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
2745
2746 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
2747
2748         PR rtl-optimization/36017
2749         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
2750         expanding the library call.
2751
2752 2008-04-22  Ian Lance Taylor  <iant@google.com>
2753
2754         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
2755         than size_in_bytes.
2756
2757 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
2758
2759         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
2760         of LR/CTR moves for Power6.
2761
2762 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
2763
2764         PR middle-end/36003
2765         * passes.c (init_optimization_passes): Remove
2766         pass_fast_rtl_byte_dce.
2767         
2768 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
2769
2770         PR target/29096
2771         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
2772         builtin functions to generate faster code.
2773         (_mm_cvtpu16_ps): Ditto.
2774         (_mm_cvtpi32x2_ps): Ditto.
2775
2776 2008-04-22  Nick Clifton  <nickc@redhat.com>
2777
2778         * common.opt (ftree-loop-distribution): Add Optimization
2779         attribute.
2780
2781         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
2782         (frv_expand_builtin_va_start): Likewise.
2783
2784         * config/arm/arm.c (thumb_find_work_register): Fix location of
2785         argument register count.
2786
2787 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
2788
2789         Support scheduling for ColdFire V1 and V3 microarchitecture.
2790         Improve scheduling of multiplication instructions.
2791
2792         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
2793         (mac): New instruction attribute.
2794         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
2795         (m68k_sched_mac): New variable.
2796         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
2797         Handle cfv1 and cfv3.
2798         (max_insn_size): New static variable.
2799         (struct _sched_ib): New type.
2800         (sched_ib): New static variable.
2801         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
2802         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
2803         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
2804         Update.
2805         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
2806         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
2807         new variables.  Update.
2808         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
2809         Add modeling of cfv3 instruction buffer.  Update.
2810         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
2811         * config/m68k/m68k.h (TUNE_CFV3): New macro.
2812         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
2813         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
2814         a particular reservation applies to.
2815         (type2): Reorganize attribute values.  Rename alu to alu_reg,
2816         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
2817         to mul_l and mul_w.
2818         (cf_ib_*): Simplify description of instruction buffer.
2819         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
2820         (cf_mem): Split into cf_mem1 and cf_mem2.
2821         (cf_v2_move_??): Rename to cfv12_alu_??.
2822         (cf_v2_move_l_??): Rename to cfv12_omove_??.
2823         (cf_v2_mul_??): Remove reservations.
2824         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
2825         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
2826         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
2827         appropriate place.
2828         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
2829         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
2830         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
2831         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
2832         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
2833         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
2834         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
2835         expansions of the above reservations for instructions of sizes
2836         1, 2 and 3 words.
2837
2838 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
2839
2840         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
2841
2842 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
2843
2844         * coverage.c: Include tree-pass.h.
2845         (coverage_counter_alloc): Print da_file_name to the dump file.
2846
2847 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
2848
2849         * sbitmap.c (sbitmap_range_empty_p): New function.
2850         * sbitmap.h (sbitmap_range_empty_p): New function.
2851         * bitmap.h: Now includes obstack.h.
2852
2853 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
2854             Kenneth Zadeck  <zadeck@naturalbridge.com>
2855
2856         * dbgcnt.def (ra_byte_scan): Added.
2857         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
2858         when the last hit happens for a counter.  
2859         * timevar.def (TV_DF_BYTE_LR): New variable.
2860         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
2861         * passes.c (pass_fast_rtl_byte_dce): New pass.
2862         * fwprop.c (update_df): Added mode to call df_ref_create.
2863         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
2864         DF_REF_EXTRACT_OFFSET.
2865         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, 
2866         DF_BYTE_LR_OUT, df_byte_lr): New macro.
2867         (df_mm): New enum.
2868         (df_ref_extract): Added mode field.
2869         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
2870         DF_REF_EXTRACT_OFFSET.
2871         (DF_REF_EXTRACT_MODE): New macro.
2872         (df_byte_lr_bb_info): New structure.
2873         (df_print_byte_regset, df_compute_accessed_bytes, 
2874         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
2875         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
2876         df_byte_lr_simulate_uses,
2877         df_byte_lr_simulate_artificial_refs_at_top,
2878         df_byte_lr_simulate_artificial_refs_at_end,
2879         df_compute_accessed_bytes): New function.
2880         (df_ref_create): Add parameter.
2881         (df_byte_lr_get_bb_info): New inline function.
2882         * df-scan.c (df_ref_record, df_uses_record,
2883         df_ref_create_structure): Added mode parameter.
2884         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, 
2885         df_defs_record, df_uses_record, df_get_conditional_uses,
2886         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, 
2887         df_entry_block_defs_collect, df_exit_block_uses_collect):
2888         Added mode parameter to calls to df_ref_record, df_uses_record,
2889         df_ref_create_structure.
2890         (df_ref_equal_p, df_ref_compare): Added test for modes.
2891         (df_ref_create_structure): Added code to set mode.  Renamed
2892         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
2893         DF_REF_EXTRACT_OFFSET.
2894         * df-core.c (df_print_byte_regset): New function.
2895         * df-byte-scan.c: New file.
2896         * df-problems.c (df_rd_transfer_function): Removed unnecessary
2897         calls to BITMAP_FREE.  
2898         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
2899         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
2900         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, 
2901         df_byte_lr_check_regs, df_byte_lr_expand_bitmap, 
2902         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
2903         df_byte_lr_local_compute, df_byte_lr_init,
2904         df_byte_lr_confluence_0, df_byte_lr_confluence_n, 
2905         df_byte_lr_transfer_function, df_byte_lr_free, 
2906         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
2907         df_byte_lr_add_problem, df_byte_lr_simulate_defs, 
2908         df_byte_lr_simulate_uses,
2909         df_byte_lr_simulate_artificial_refs_at_top,
2910         df_byte_lr_simulate_artificial_refs_at_end): New function.
2911         * dce.c (byte_dce_process_block): New function.
2912         (dce_process_block): au is now passed in rather than computed
2913         locally.  Changed loops that look at artificial defs to not look
2914         for conditional or partial ones, because there never are any.  
2915         (fast_dce): Now is able to drive byte_dce_process_block or 
2916         dce_process_block depending on the kind of dce being done.
2917         (rest_of_handle_fast_dce): Add parameter to fast_dce.
2918         (rest_of_handle_fast_byte_dce): New function.
2919         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
2920         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
2921
2922 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
2923
2924         PR fortran/35019
2925         * gcc.h: Added fortran options that take arguments to
2926         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
2927         macros.
2928
2929 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
2930
2931         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
2932         scalarization if on the LHS and not a full access.
2933
2934 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2935
2936         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
2937
2938 2008-04-18  Rafael Espindola  <espindola@google.com>
2939
2940         * tree-vrp.c (find_case_label_index): Fix the binary search.
2941         (find_case_label_range): New.
2942         (vrp_visit_switch_stmt): Use find_case_label_range.
2943         (simplify_switch_using_ranges): Use find_case_label_range.
2944
2945 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2946
2947         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
2948         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
2949
2950 2008-04-18  Tom Tromey  <tromey@redhat.com>
2951
2952         PR libcpp/15500:
2953         * doc/cpp.texi (Implementation-defined behavior): Mention
2954         -finput-charset.
2955
2956 2008-04-18  Ian Lance Taylor  <iant@google.com>
2957
2958         * fold-const.c (pointer_may_wrap_p): New static function.
2959         (fold_comparison): Add another test for pointer overflow.  Use
2960         pointer_may_wrap_p to disable some false positives.
2961
2962 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
2963           
2964         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
2965         (fname_as_string): Match updated cpp_interpret_string prototype.
2966         (fix_string_type): Support char16_t* and char32_t*.
2967         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
2968         derivative) nodes.  Register as builtin if C++0x.
2969         (c_parse_error): Support CPP_CHAR{16,32}.
2970         * c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
2971         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
2972         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
2973         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
2974         CTI_CHAR32_ARRAY_TYPE>: New elements.
2975         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
2976         char32_type_node, signed_char32_type_node, char16_array_type_node,
2977         char32_array_type_node): New defines.
2978         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
2979         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
2980         (lex_string): Support CPP_STRING{16,32}, match updated
2981         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
2982         (lex_charconst): Support CPP_CHAR{16,32}.
2983         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
2984         and CPP_STRING{16,32}.
2985
2986 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
2987
2988         PR bootstrap/35457
2989         * aclocal.m4: Regenerate.
2990         * configure: Regenerate.
2991
2992 2008-04-18  Jan Hubicka  <jh@suse.cz>
2993
2994         * except.c (dw2_size_of_call_site_table,
2995         sjlj_size_of_call_site_table): Use vector API for call_site_record.
2996
2997         * cgraphbuild.c (build_cgraph_edges): Update.
2998         * tree-pass.h: Update comment.
2999         * final.c (leaf_function_p): Update.
3000         (leaf_renumber_regs): Update.
3001         (rest_of_clean_state): Update.
3002         * omp-low.c (expand_omp_parallel): Update.
3003         * ipa-reference.c (analyze_function): Update.
3004         * reorg.c (find_end_label): Update.
3005         (optimize_skip): Update.
3006         (fill_simple_delay_slots): Update.
3007         (fill_simple_delay_slots): Update.
3008         (make_return_insns): Update.
3009         (dbr_schedule): Update.
3010         * gimple-low.c (record_vars_into): Update.
3011         * cfgbuild.c (make_edges): Update.
3012         * function.c (assign_stack_local): Update.
3013         (assign_parm_adjust_stack_rtl): Update.
3014         (locate_and_pad_parm): Update.
3015         (allocate_struct_function): Do not initialize stack_alignment_needed
3016         and preferred_stack_boundary here.
3017         (stack_protect_prologue): Update.
3018         (stack_protect_epilogue): Update.
3019         (expand_function_start): Initialize stack_alignment_needed,
3020         preferred_stack_boundary and max_jumptable_ents.
3021         (expand_function_end): Update.
3022         (free_after_compilation): Do not NULLify epilogue_delay_list.
3023         * function.h (struct rtl_data): Add stack_protect_guard,
3024         stack_alignment_needed,
3025         preferred_stack_boundary, epilogue_delay_list.
3026         (struct function): Remove value_histograms, stack_alignment_needed,
3027         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
3028         last_label_uid,
3029         unexpanded_var_list, stack_protect_guard.
3030         (current_function_epilogue_delay_list): Remove.
3031         * ipa-type-escape.c (analyze_function): Update.
3032         * gimplify.c (pop_gimplify_context): Update comment.
3033         * calls.c (expand_call): Update.
3034         (emit_library_call_value_1): Update.
3035         * except.c (set_nothrow_function_flags): Update.
3036         * cfgexpand.c (get_decl_align_unit): Update.
3037         (create_stack_guard): Update.
3038         (estimated_stack_frame_size): Update.
3039         (expand_used_vars): Update.
3040         (tree_expand_cfg): Free histogram earliers, init expansion variables.
3041         * explow.c (allocate_dynamic_stack_space): Update.
3042         * tree-ssa-live.c (remove_unused_locals): Update.
3043         * varasm.c (mark_constant_pool): Update.
3044         * tree-inline.c (remap_decls): Update.
3045         (initialize_cfun): Update.
3046         (declare_return_variable): Update.
3047         (inline_forbidden_p): Update.
3048         (expand_call_inline): Update.
3049         (declare_inline_vars): Update.
3050         (tree_function_versioning): Update.
3051         * tree-flow.h (value_histograms): New.
3052         (VALUE_HISTOGRAMS): New macro.
3053         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
3054         last_label_uid.
3055         * tree-cfg.c (set_bb_for_stmt): Update.
3056         (replace_by_duplicate_decl): Update.
3057         (move_block_to_fn): Update.
3058         (new_label_mapper): Update.
3059         (dump_function_to_file): Update.
3060         * ipa-struct-reorg.c (build_data_structure): Update.
3061         * cfgrtl.c (print_rtl_with_bb): Update.
3062         * reload1.c (reload): Update.
3063         (reload): Update.
3064         * config/i386/i386.c (setup_incoming_varargs_64,
3065         ix86_compute_frame_layout): Update.
3066         * config/arc/arc.c (arc_output_function_epilogue): Update.
3067
3068 2008-04-18  Marius Strobl <marius@FreeBSD.org>
3069
3070         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
3071         for FreeBSD as well.
3072         * gthr-posix95.h: Likewise.
3073
3074 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
3075
3076         PR rtl-optimization/35838
3077         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
3078         out the byte offset of the first subreg.
3079
3080 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
3081
3082         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
3083         to split_ti instead of three separate calls with single member arrays.
3084         (subti3 splitter): Ditto.
3085         (adddi3 splitter): Ditto with split_di.
3086         (subdi3 splitter): Ditto.
3087         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
3088         two separate calls with single member arrays.  Swap match_dup
3089         operands 1 and 2 to better fit into the array.
3090         (negdi2 splitter): Ditto with split_di.
3091         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
3092         two separate calls with single member arrays.  Swap match_dup operands
3093         6 and 7 to better fit into the array.
3094
3095 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
3096
3097         * config/i386/i386.c (sse_builtin_type): New.
3098         (bdesc_sse_args): Likewise.
3099         (bdesc_sse_3arg): Removed.
3100         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
3101         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
3102         IX86_BUILTIN_ROUNDPS.
3103         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
3104         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
3105         IX86_BUILTIN_ROUNDPS.
3106         (ix86_expand_sse_4_operands_builtin): Removed.
3107         (ix86_expand_sse_operands_builtin): New.
3108         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
3109         and CODE_FOR_sse4_1_roundps.
3110         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
3111         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
3112
3113 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
3114
3115         PR target/35907
3116         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
3117         regs before frame pop when needed.  If use_backchain_to_restore_sp
3118         then load backchain into a temp reg to restore vr and vrsave.  Add
3119         code to restore vr after frame pop if possible.
3120
3121 2008-04-17  Richard Guenther  <rguenther@suse.de>
3122
3123         * tree-vn.c (expressions_equal_p): Do not check type
3124         equality or compatibility before calling operand_equal_p.
3125         * fold-const.c (operand_equal_p): Check equivalence of
3126         integer constants before bailing out due to signedness or
3127         precision differences.
3128         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
3129         spurious differences in type qualification.  Ignore types
3130         for COMPONENT_REFs at all.
3131
3132 2008-04-17  Christian Bruel  <christian.bruel@st.com>
3133
3134         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
3135         msw_skip comparison.
3136         
3137 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
3138
3139         PR c/35739
3140         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
3141         reg type.
3142
3143         PR tree-optimization/35899
3144         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
3145         rather than TREE_OPERAND.
3146
3147 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
3148
3149         PR target/35944
3150         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
3151         temporary registers.  Change operand predicate to general_operand.
3152         (remainderxf3): Ditto.
3153
3154 2008-04-16  Richard Guenther  <rguenther@suse.de>
3155
3156         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
3157         * tree-affine.c (aff_combination_expand): Look through some
3158         conversions.
3159
3160 2008-04-15  Doug Kwan  <dougkwan@google.com>
3161
3162         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
3163         for hex printing.
3164         * tree-pretty-print.c (dump_generic_node): Ditto.
3165         * final.c (output_addr_const): Ditto.
3166         * dwarf2out.c (output_cfi): Ditto.
3167         * c-pretty-print.c (pp_c_integer_constant): Ditto.
3168         * print-rtl.c (print_rtx): Ditto.
3169         * print-tree.c (print_node_brief, print_node): Ditto.
3170         * c-common.c (match_case_to_enum_1): Ditto.
3171         * sched-vis.c (print_value): Ditto.
3172         * config/i386/i386.c (print_operand): Cast to long unsigned int
3173         for hex printing.
3174
3175 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
3176         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
3177         MS Windows VirtualProtect function.
3178
3179 2008-04-15  Jan Hubicka  <jh@suse.cz>
3180
3181         * gengtype.c (write_root): Param_is argument is OK.
3182         * expr.c (expand_expr_real_1): Update call of get_exception_*.
3183         * function.h: Include varray.h
3184         (rtl_eh): New stucture based on except.c one.
3185         (call_site_record): New forward declaration and vector type.
3186         * calls.c (emit_call_1): Do not call
3187         note_current_region_may_contain_throw.
3188         * except.c (eh_status): Remove cur_region, try_region since they are
3189         unused.
3190         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
3191         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
3192         sjlj_fc, sjlj_exit_after to rth_eh in function.h. 
3193         Remove call_site_data_used, call_site_data_size.
3194         Turn call_site_record into vector in function.h.
3195         (note_current_region_may_contain_throw): Remove.
3196         (get_exception_pointer, get_exception_filter): Do not take struct
3197         function argument; update.
3198         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
3199         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
3200         build_post_landing_pads, dw2_build_landing_pads,
3201         sjlj_assign_call_site_values, sjlj_mark_call_sites,
3202         sjlj_emit_function_enter, sjlj_emit_function_enter, 
3203         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
3204         sjlj_build_landing_pads, finish_eh_generation,
3205         remove_exception_handler_label, remove_eh_handler,
3206         maybe_remove_eh_handler, add_reachable_handler,
3207         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
3208         add_action_record, collect_one_action_chain, add_call_site,
3209         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
3210         sjlj_output_call_site_table, output_function_exception_table,
3211         * except.h (note_current_region_may_contain_throw): Remove
3212         (get_exception_pointer, get_exception_filter): Do not take struct
3213         function argument.
3214         * Makefile.in (GTFILES): Put varargs before struct function.
3215
3216 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
3217
3218         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
3219         punt for STRING_CST.
3220         (get_constraint_for): Deal with STRING_CST here instead.
3221
3222 2008-04-15  Richard Guenther  <rguenther@suse.de>
3223
3224         * tree-ssa-propagate.c (substitute_and_fold): Substitute
3225         statements in a basic-block with a backward walk.  Do not
3226         substitute into dead statements but instead remove those.
3227
3228 2008-04-15  Richard Guenther  <rguenther@suse.de>
3229
3230         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
3231         to zero, thus disable creation of SFTs.
3232
3233 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
3234
3235         * tree-predcom.c (suitable_reference_p): Return false if the
3236         reference can throw.
3237
3238 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
3239
3240         PR c/35751
3241         * c-decl.c (finish_decl): If extern or static var has variable
3242         size, set TREE_TYPE (decl) to error_mark_node.
3243
3244 2008-04-15  Rafael Espindola  <espindola@google.com>
3245
3246         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
3247         variable arg1.
3248
3249 2008-04-15  Richard Guenther  <rguenther@suse.de>
3250
3251         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
3252         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
3253         (visit_reference_op_load): Do walk vuse-vdef chains on
3254         vn_reference_lookup.
3255         (visit_reference_op_store): But do not here.
3256         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
3257         vn_reference_lookup.
3258         (vn_lookup_with_vuses): But do so here.
3259
3260 2008-04-14  Ian Lance Taylor  <iant@google.com>
3261
3262         * fold-const.c (fold_overflow_warning): Remove assertion.
3263
3264 2008-04-15  Ben Elliston  <bje@au.ibm.com>
3265
3266         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
3267         temp1 local variables.
3268
3269 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
3270
3271         PR target/35661
3272         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
3273         ".text.unlikely" section as executable.
3274
3275 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
3276
3277         * config/ia64/ia64.c (rtx_needs_barrier): Handle
3278         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
3279         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
3280         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
3281         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
3282         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
3283         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
3284
3285 2008-04-14  Ian Lance Taylor  <iant@google.com>
3286
3287         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
3288         * fold-const.c (fold_comparison): If appropriate, test
3289         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
3290         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
3291         reassociating a pointer type.
3292         * doc/invoke.texi (Optimize Options): Document that
3293         -fstrict-overflow applies to pointer wraparound.
3294
3295 2008-04-13  Jan Hubicka  <jh@suse.cz>
3296
3297         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
3298
3299 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
3300
3301         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
3302         we are going to "save the world".
3303
3304 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
3305
3306         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
3307         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
3308         operand 0 constraint, not "=".
3309
3310 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
3311
3312         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
3313
3314 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
3315
3316         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
3317         of size of positions_needed * CHAR_BIT.
3318
3319 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
3320
3321         PR middle-end/35897
3322         * dse.c (store_info): Change positions_needed to unsigned
3323         HOST_WIDE_INT.
3324         (lowpart_bitmask): New.
3325         (record_store): Cast to unsigned HOST_WIDE_INT for
3326         positions_needed.  Assert width <= size of positions_needed *
3327         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
3328         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
3329         lowpart_bitmask to set mask.
3330
3331 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
3332
3333         * config/bfin/constraints.md: New file.
3334         * config/bfin/bfin.md: Include it.
3335         (adddi3): Use satisfies_constraint functions instead of the old macros.
3336         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
3337         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
3338         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
3339         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
3340         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
3341         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
3342         EXTRA_CONSTRAINT): Delete.
3343         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
3344         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
3345         of the old macros.
3346         * config/bfin/bfin.c: Include "tm-constrs.h".
3347         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
3348         Use satisfies_constraint functions instead of the old macros.
3349         * doc/md.texi (Blackfin Constraints): Update file name reference.
3350
3351 2008-04-11  Richard Guenther  <rguenther@suse.de>
3352
3353         PR tree-optimization/35869
3354         * tree-vrp.c (execute_vrp): Move switch statement update after
3355         jump threading.  Schedule another cfg cleanup run.
3356
3357 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
3358
3359         PR c/35744
3360         * attribs.c (decl_attributes): Return early on errorneous node.
3361
3362 2008-04-10  Oleg Ryjkov  <olegr@google.com>
3363
3364         * tree.h (struct tree_base): Added a new flag default_def_flag.
3365         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
3366
3367 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3368
3369         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
3370
3371 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3372
3373         PR target/35768
3374         * pa.md: Define mode iterator P.  Define mode attribute dwc.
3375         (dcacheflush): Update pattern to use iterator P and attribute dwc.
3376         (icacheflush): Likewise.
3377         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
3378         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
3379
3380 2008-04-11  Ben Elliston  <bje@au.ibm.com>
3381
3382         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
3383
3384 2008-04-10  Rafael Espindola  <espindola@google.com>
3385
3386         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
3387         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
3388         (extract_range_from_expr): The same.
3389
3390 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
3391
3392         * config/mips/mips.md (GPR2): New mode iterator.
3393         (seq): Add comment.
3394         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
3395         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
3396         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
3397         Rewrite these to take two modes, the mode of comparison and the
3398         mode of the destination.
3399         * config/mips/mips.c (mips_expand_scc): Instead of having
3400         paradoxical subreg as destination, expand "narrowing" scc if mode
3401         of comparison is SI and target is requested in DI mode.
3402         (mips_emit_int_order_test): Update comment.  Make mode of
3403         comparison match CMP0 rather than TARGET.  When creating inverse
3404         target use mode of TARGET.
3405
3406 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
3407
3408         * gcov-dump.c (tag_summary): Only print summaries for the first
3409         GCOV_COUNTERS_SUMMABLE counters.
3410
3411 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
3412
3413         * config/i386/i386.md (absneg): New code iterator.
3414         (absnegprefix): New code attribute.
3415         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
3416         patterns using absneg code iterator.
3417         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
3418         using absneg code iterator.
3419         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
3420         *neg<mode>2 patterns using absneg code iterator.
3421         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
3422         *negextendsfdf2 patterns using absneg code iterator.
3423         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
3424         *negextendsfxf2 patterns using absneg code iterator.
3425         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
3426         *negextendsfdf2 patterns using absneg code iterator.
3427         * config/i386/sse.md (<code><mode>2): Macroize expander from
3428         abs<mode>2 and neg<mode>2 patterns using absneg code iterator. 
3429
3430 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
3431
3432         * config/s390/s390.h: Remove the remains of the recent search
3433         & replace action of current_function_outgoing_args_size.
3434
3435 2008-04-10  Ira Rosen  <irar@il.ibm.com>
3436
3437         PR tree-optimization/35821
3438         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
3439         NEW_STMT_LIST is not NULL.
3440
3441 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
3442
3443         PR libstdc++/35597
3444         * toplev.c (process_options): Remove -ffunction-sections debugging
3445         warning.
3446
3447 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
3448
3449         PR middle-end/PR28690
3450         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
3451         than gen_rtx_fmt_ee to perform more canonicalizations.
3452
3453 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3454
3455         PR driver/35665
3456         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
3457
3458 2008-04-09  Richard Guenther  <rguenther@suse.de>
3459
3460         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
3461         (dump_function_to_file): Dump function arguments with types.
3462
3463 2008-04-08  Richard Guenther  <rguenther@suse.de>
3464
3465         * fold-const.c (fold_widened_comparison): Do not allow
3466         sign-changes that change the result.
3467
3468 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
3469
3470         PR target/35839
3471         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
3472         kinds of indirect references.
3473
3474 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
3475
3476         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
3477         GNU Fortran language string.
3478
3479 2008-04-08  Rafael Espindola  <espindola@google.com>
3480
3481         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
3482         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
3483         * tree.h (tree_call_nonnegative_warnv_p): New.
3484
3485 2008-04-08  Jan Hubicka  <jh@suse.cz>
3486
3487         * function.c (free_after_compilation): Clear out regno_reg_rtx
3488         pointer.
3489
3490 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
3491
3492         Revert
3493         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
3494
3495         PR middle-end/PR28690
3496         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
3497         same precedence as REG_POINTER and MEM_POINTER operands.
3498
3499 2008-04-08  Richard Guenther  <rguenther@suse.de>
3500
3501         PR middle-end/35834
3502         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
3503         for adding index to base.
3504
3505 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
3506
3507         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
3508         (MINGW_ENABLE_EXECUTE_STACK): New.
3509         (IN_LIBGCC2): For libgcc include windows.h file for
3510         function declarations.
3511
3512 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
3513
3514         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
3515         and tem2 if tem1 is not a REG or MULT.
3516
3517 2008-04-08  Jan Hubicka  <jh@suse.cz>
3518
3519         * function.h (incomming_args): Break out of struct function.
3520         (function_subsections): Break out of struct function.
3521         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
3522         return_rtx and hard_reg_initial_vals from struct function.
3523         Kill inl_max_label_num.
3524         (current_function_pops_args, current_function_args_info,
3525         current_function_args_size, current_function_args_size,
3526         current_function_pretend_args_size,
3527         current_function_outgoing_args_size,
3528         current_function_internal_arg_pointer, current_function_return_rtx):
3529         Kill compatibility accestor macros.
3530         * builtins.c (expand_builtin_apply_args_1): Update.
3531         (expand_builtin_next_arg): Update.
3532         * df-scan.c (df_get_call_refs): Update.
3533         * dbxout.c (dbxout_function_end): Update.
3534         * dwarf2out.c (dwarf2out_switch_text_section): Update.
3535         (output_line_info): Update.
3536         (secname_for_decl): Update.
3537         (dwarf2out_var_location): Update.
3538         * function.c (free_after_compilation): Update.
3539         (assign_parm_find_stack_rtl): Update.
3540         (assign_parms): Update.
3541         (expand_dummy_function_end): Update.
3542         (expand_function_end): Update.
3543         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
3544         (expand_call): Update.
3545         (emit_library_call_value_1): Update.
3546         (store_one_arg): Update.
3547         * varasm.c (initialize_cold_section_name): Update.
3548         (unlikely_text_section): Update.
3549         (unlikely_text_section_p): Update.
3550         (assemble_start_function): Update.
3551         (assemble_end_function): Update.
3552         (default_section_type_flags): Update.
3553         (switch_to_section): Update.
3554         * integrate.c (set_decl_abstract_flags): Update.
3555         (get_hard_reg_initial_val): Update.
3556         (has_hard_reg_initial_val): Update.
3557         (allocate_initial_values): Update.
3558         * resource.c (init_resource_info): Update.
3559         * config/alpha/alpha.c (NUM_ARGS): Update.
3560         (direct_return): Update.
3561         (alpha_va_start): Update.
3562         (alpha_sa_size): Update.
3563         (alpha_initial_elimination_offset): Update.
3564         (alpha_expand_prologue): Update.
3565         (alpha_start_function): Update.
3566         (alpha_expand_epilogue): Update.
3567         (unicosmk_initial_elimination_offset):
3568         * config/alpha/alpha.md (call expander): Update.
3569         * config/s390/s390.c (s390_register_info): Update.
3570         (s390_register_info): Update.
3571         (s390_frame_info): Update.
3572         (s390_initial_elimination_offset): Update.
3573         (s390_build_builtin_va_list): Update.
3574         (s390_va_start): Update.
3575         * config/spu/spu.c (direct_return): Update.
3576         (spu_expand_prologue): Update.
3577         (spu_initial_elimination_offset): Update.
3578         (spu_build_builtin_va_list): Update.
3579         (spu_va_start): Update.
3580         * config/sparc/sparc.c (sparc_init_modes): Update.
3581         (sparc_compute_frame_size): Update.
3582         (function_value): Update.
3583         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
3584         * config/i386/i386.md (return expander): Update.
3585         * config/i386/i386.c (ix86_va_start): Update.
3586         (ix86_can_use_return_insn_p): Update.
3587         (ix86_compute_frame_layout): Update.
3588         (ix86_expand_epilogue): Update.
3589         * config/sh/sh.c (output_stack_adjust): Update.
3590         (calc_live_regs): Update.
3591         (sh_expand_prologue): Update.
3592         (sh_builtin_saveregs): Update.
3593         (sh_va_start): Update.
3594         (initial_elimination_offset): Update.
3595         (sh_allocate_initial_value): Update.
3596         (sh_function_ok_for_sibcall): Update.
3597         (sh_get_pr_initial_val): Update.
3598         * config/sh/sh.md (return expander): Update.
3599         * config/avr/avr.c (frame_pointer_required_p): UPdate.
3600         * config/crx/crx.c (crx_compute_frame): UPdate.
3601         (crx_initial_elimination_offset): UPdate.
3602         * config/xtensa/xtensa.c (compute_frame_size): Update
3603         (xtensa_builtin_saveregs): Update.
3604         (xtensa_va_start): Update.
3605         (order_regs_for_local_alloc): Update.
3606         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
3607         (xstormy16_expand_builtin_va_start): Update.
3608         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
3609         * config/m68hc11/m68hc11.md (return expanders): Update.
3610         * config/m68hc11/m68hc11.c (expand_prologue): Update.
3611         (expand_epilogue): Update.
3612         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
3613         (cris_simple_epilogue): Update.
3614         (cris_expand_prologue): Update.
3615         (cris_expand_epilogue): Update.
3616         * config/iq2000/iq2000.c (iq2000_va_start): Update.
3617         (compute_frame_size): Update.
3618         * config/mt/mt.c (mt_compute_frame_size): Update.
3619         * config/mn10300/mn10300.c (expand_prologue): Update.
3620         (expand_epilogue): Update.
3621         (initial_offset): Update.
3622         (mn10300_builtin_saveregs):
3623         * config/mn10300/mn10300.md (return expander): Update.
3624         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
3625         (ia64_initial_elimination_offset): Update.
3626         (ia64_initial_elimination_offset): Update.
3627         (ia64_expand_prologue): Update.
3628         * config/m68k/m68k.md (return expander): Update.
3629         * config/rs6000/rs6000.c (rs6000_va_start): Update.
3630         (rs6000_stack_info): Update.
3631         * config/mcore/mcore.c (layout_mcore_frame): Update.
3632         (mcore_expand_prolog): Update.
3633         * config/arc/arc.c (arc_compute_frame_size): Update.
3634         * config/score/score3.c (score3_compute_frame_size): Update.
3635         * config/score/score7.c (score7_compute_frame_size): Update.
3636         * config/arm/arm.c (use_return_insn): Update.
3637         (thumb_find_work_register): Update.
3638         (arm_compute_save_reg_mask): Update.
3639         (arm_output_function_prologue): Update.
3640         (arm_output_epilogue): Update.
3641         (arm_size_return_regs): Update.
3642         (arm_get_frame_offsets): Update.
3643         (arm_expand_prologue): Update.
3644         (thumb_exit): Update.
3645         (thumb_unexpanded_epilogue): Update.
3646         (thumb1_output_function_prologue): Update.
3647         * config/pa/pa.md (return expander): Update.
3648         * config/pa/pa.c (compute_frame_size): Update.
3649         (hppa_builtin_saveregs): Update.
3650         * config/mips/mips.c (mips_va_start): Update.
3651         (mips16_build_function_stub): Update.
3652         (mips_compute_frame_info): Update.
3653         (mips_restore_gp): Update.
3654         (mips_output_function_prologue): Update.
3655         (mips_expand_prologue): Update.
3656         * config/v850/v850.c (compute_frame_size): Update.
3657         (expand_prologue): * config/mmix/mmix.c (along): update.
3658         (mmix_initial_elimination_offset): update.
3659         (mmix_reorg): update.
3660         (mmix_use_simple_return): update.
3661         (mmix_expand_prologue): update.
3662         (mmix_expand_epilogue): Update.
3663         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
3664         (emit_link_insn): Update.
3665
3666 2008-04-08  Anatoly Sokolov <aesok@post.ru>
3667
3668         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define 
3669         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL 
3670         instructions.
3671         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for 
3672         atmega103 device.
3673
3674 2008-04-07  Jan Hubicka  <jh@suse.cz>
3675
3676         * function.h (rtl): Rename to x_rtl.
3677         (crtl): New define.
3678         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
3679         frame_offset, stack_check_probe_note, arg_pointer_save_area,
3680         used_temp_slots avail_temp_slots, temp_slot_level,
3681         nonlocal_goto_handler_labels): Update accesstors.
3682         (rtl): New global variable.
3683         (struct function): Move some fileds to rtl_data.
3684         (get_arg_pointer_save_area): Update prototype.
3685         * builtins.c (expand_builtin_setjmp_receiver): Update call of
3686         get_arg_pointer_save_area.
3687         * expr.c (init_expr): Update
3688         * function.c (get_frame_size): Update
3689         (assign_stack_local): Update
3690         (expand_function_end): Update.
3691         (get_art_pointer_save_area): Update
3692         * function.h 
3693         * emit-rtl.c (rtl): Declare.
3694         (regno_reg_rtx): Declare.
3695         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
3696         Update.
3697         (gen_reg_rtx): Update.
3698         * varasm.c (n_deferred_constatns): Update accestor.
3699         (init_varasm_status): Do not allocate varasm_status.
3700         (force_const_mem, get_pool_size, output_constant_pool): Update.
3701         * stmt.c (force_label_rtx): Do not use x_ prefixes.
3702         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
3703         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
3704         * sparc/sparc.h (INIT_EXPANDERS): Update.
3705         * ia64/ia64.h (INIT_EXPANDERS): Update.
3706
3707 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
3708
3709         * reload.c (push_secondary_reload): Add missing break to for loop.
3710
3711 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
3712
3713         PR middle-end/PR28690
3714         * rtlanal.c: Update copyright years.
3715         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
3716         as REG_POINTER and MEM_POINTER operands.
3717         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
3718         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
3719         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
3720         * gcse.c: Update copyright years.
3721         (pre_delete): Call gen_reg_rtx_and_attrs.
3722         (hoist_code): Likewise.
3723         (build_store_vectors): Likewise.
3724         (delete_store): Likewise.
3725         * loop-invariant.c (move_invariant_reg): Likewise.
3726         Update copyright years.
3727
3728 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
3729
3730         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
3731         control string instead of quoted.
3732
3733 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
3734
3735         * doc/rtl.texi: Rewrite of subreg section.
3736
3737 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
3738
3739         PR/35842
3740         * config/i386/i386.c (legitimize_pic_address): Add treating
3741         of dllimport SYM_REF's.
3742         (legitimize_dllimport_symbol): Add prototype.
3743
3744 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
3745
3746         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
3747         reference in constructor with non self-referential type.
3748
3749 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
3750
3751         Removal of Return with Depressed Stack Pointer support
3752         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
3753         (ECF_SP_DEPRESSED): Likewise.
3754         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
3755         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
3756         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
3757         (expand_call): Do not test ECF_SP_DEPRESSED.
3758         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
3759         * function.c (keep_stack_depressed): Delete.
3760         (handle_epilogue_set): Likewise.
3761         (update_epilogue_consts): Likewise.
3762         (emit_equiv_load): Likewise.
3763         (thread_prologue_and_epilogue_insns): Remove support for Return with
3764         Depressed Stack Pointer.
3765         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
3766
3767 2008-04-06  Richard Guenther  <rguenther@suse.de>
3768
3769         PR tree-optimization/35400
3770         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
3771         information from SSA_NAMEs.
3772
3773 2008-04-06  Anatoly Sokolov <aesok@post.ru>
3774
3775         * config/avr/avr.h (avr_mega_p): Remove declaration.
3776         (AVR_MEGA): Remove macro.
3777         * config/avr/avr.c (avr_mega_p): Remove variable.
3778         (avr_override_options): Remove inicializion of avr_mega_p.
3779         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
3780         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
3781         (avr_jump_mode): (Ditto.).
3782         (avr_output_progmem_section_asm_op): (Ditto.).
3783         (avr_asm_init_sections): (Ditto.).
3784         (avr_asm_init_sections): (Ditto.).
3785         (avr_rtx_costs): (Ditto.).
3786         * config/avr/avr.md: (Ditto.).
3787         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
3788         '__AVR_MEGA__'.
3789
3790 2008-04-06  Richard Guenther  <rguenther@suse.de>
3791
3792         PR tree-optimization/35842
3793         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
3794         is_gimple_invariant_address.
3795
3796 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
3797
3798         * gcc.c (default_compilers): Sync Fortran extensions list with
3799         that in fortran/lang-specs.h.
3800         * doc/invoke.texi: Likewise.
3801         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
3802         * dwarf2out.c (gen_compile_unit_die): Likewise.
3803
3804 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
3805
3806         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
3807
3808 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
3809
3810         PR target/12329
3811         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
3812         attribute is used for nested functions.
3813
3814 2008-04-05  Jan Hubicka  <jh@suse.cz>
3815
3816         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
3817
3818         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
3819         letter argument.
3820         (dump_files): Update.
3821         (enable_rtl_dump_file): Do not accept letter argument.
3822         * tree-pass.h (dump_file_info): Remove letter argument.
3823         * toplev.c (decode_d_option): Update -da handling.
3824         * toplev.h (enable_rtl_dump_file): Update prototype.
3825         * passes.c (register_one_dump_file): Do not accept IPA argument; work
3826         it out based on pass type.
3827         (register_dump_files_1): Likewise.
3828         (init_optimization_passes): Update register_one_dump_file calls.
3829         (execute_one_pass): Sanity check that IPA passes are called at IPA
3830         level and RTL passes at RTL level.
3831         (execute_pass_list): IPA pass can not be after or subpass of
3832         GIMPLE/RTL pass.
3833         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
3834         disallov RTL subpasses of IPA subpasses.
3835
3836 2008-04-05  Ben Elliston  <bje@au.ibm.com>
3837
3838         * tree-cfg.c (need_fake_edge_p): Return false for calls to
3839         builtins that return exactly once and do not throw. Cache call to
3840         call_expr_flags.
3841
3842 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
3843
3844         PR rtl-optimization/34916
3845         PR middle-end/35519
3846         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
3847         between instruction pairs.
3848
3849 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
3850
3851         * doc/invoke.texi: Document -mbitops for SH.
3852         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
3853         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
3854         * config/sh/sh.c (print_operand): Add %t operand code.
3855         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
3856         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
3857         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
3858         (extendqihi2): Likewise.
3859         (movqi_i): Likewise.
3860         (insv): Use bset, bclr and bst instructions for SH2A if possible.
3861         (extv): Use bld instruction for SH2A if possible.
3862         (extzv): Likewise.
3863         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
3864         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
3865         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
3866         (bset.b, bclr.b): Define peepholes.
3867         * config/sh/sh.opt (mbitops): New option.
3868
3869 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
3870
3871         PR target/35620
3872         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
3873         and view convert expression.
3874
3875 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
3876
3877         PR target/35364
3878         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
3879
3880 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
3881
3882         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
3883
3884         * config/i386/cpuid.h (bit_AES): New.
3885         (bit_PCLMUL): Likewise.
3886
3887         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
3888         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
3889         SSE2 if AES or PCLMUL is enabled.
3890         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
3891         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
3892         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
3893         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
3894         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
3895         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
3896         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
3897         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
3898         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
3899         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
3900         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
3901         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
3902         __builtin_ia32_aeskeygenassist128 and
3903         __builtin_ia32_pclmulqdq128.
3904         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
3905         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
3906         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
3907
3908         * config/i386/i386.h (TARGET_AES): New.
3909         (TARGET_PCLMUL): Likewise.
3910         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
3911
3912         * config/i386/i386.md (UNSPEC_AESENC): New.
3913         (UNSPEC_AESENCLAST): Likewise.
3914         (UNSPEC_AESDEC): Likewise.
3915         (UNSPEC_AESDECLAST): Likewise.
3916         (UNSPEC_AESIMC): Likewise.
3917         (UNSPEC_AESKEYGENASSIST): Likewise.
3918         (UNSPEC_PCLMUL): Likewise.
3919
3920         * config/i386/i386.opt (maes): New.
3921         (mpclmul): Likewise.
3922
3923         * config/i386/sse.md (aesenc): New pattern.
3924         (aesenclast): Likewise.
3925         (aesdec): Likewise.
3926         (aesdeclast): Likewise.
3927         (aesimc): Likewise.
3928         (aeskeygenassist): Likewise.
3929         (pclmulqdq): Likewise.
3930
3931         * config/i386/wmmintrin.h: New.
3932
3933         * doc/extend.texi: Document AES and PCLMUL built-in function.
3934
3935         * doc/invoke.texi: Document -maes and -mpclmul.
3936
3937 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
3938
3939         * function.c (free_after_parsing): Replace with
3940         cxx_push_function_context from C++ front-end.
3941         (allocate_struct_function): Don't call langhook.
3942         * langhooks.h (struct lang_hooks_for_functions): Delete.
3943         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
3944         member "function".
3945         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
3946         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
3947         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
3948         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
3949         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
3950         remove LANG_HOOKS_FUNCTION_INITIALIZER.
3951         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
3952
3953         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
3954         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
3955         
3956 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
3957
3958         PR c/35440
3959         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
3960         for all types.
3961
3962 2008-04-04  Richard Guenther  <rguenther@suse.de>
3963
3964         PR middle-end/35823
3965         * fold-const.c (optimize_minmax_comparison): Use the correct
3966         type for the constant in the simplified comparison.
3967
3968 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
3969
3970         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
3971         Pass L2 size as "--param l2-cache-size" to the compiler.
3972         (decode_l2_cache): New function to decode L2 cache parameters using
3973         0x8000006 extended cpuid function.
3974         (detect_caches_amd): Determine parameters of L2 cache using
3975         decode_l2_caches function.
3976         (decode_caches_intel): Decode L2 cache parameters.
3977         (detect_caches_intel): Determine L2 cache parameters using
3978         decode_caches_intel and decode_l2_caches functions.
3979
3980 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
3981
3982         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
3983         secondary input reload for subword loads from the constant pool.
3984
3985 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
3986
3987         PR target/35713
3988         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
3989           constants of the appropriate size for runtime calculations.
3990
3991         PR c/35712
3992         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
3993           decimal-float literal constant zero.
3994
3995 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
3996
3997         PR c/35738
3998         * c-parser.c (c_parser_omp_atomic): Call
3999         default_function_array_conversion on the RHS.
4000
4001         PR middle-end/35818
4002         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
4003         call is_variable_sized if decl has incomplete type.
4004
4005 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
4006
4007         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
4008
4009 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
4010
4011         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
4012         iterators.
4013         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
4014         (sgt<u>): Merge sgt and sgtu into new expander.
4015         (sgt, sgtu): Remove expanders.
4016         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
4017         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
4018         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
4019         *sgtu_<mode>_mips16 into new pattern.
4020         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
4021         (sge<u>): Merge sge and sgeu into new expander.
4022         (sge, sgeu): Remove expanders.
4023         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
4024         new pattern.
4025         (*sge_<mode>, second *sge_<mode>): Remove patterns.
4026         (slt<u>): Merge slt and sltu into new expander.
4027         (slt, sltu): Remove expanders.
4028         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
4029         (*slt_<mode>, *sltu_<mode>): Remove patterns.
4030         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
4031         *sltu_<mode>_mips16 into new pattern.
4032         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
4033         (sle<u>): Merge sle and sleu into new expander.
4034         (sle, sleu): Remove expanders.
4035         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
4036         (*sle_<mode>, *sleu_<mode>): Remove patterns.
4037         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
4038         *sleu_<mode>_mips16 into new pattern.
4039         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
4040
4041 2008-04-03  Jan Hubicka  <jh@suse.cz>
4042
4043         PR tree-optimization/35795
4044         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
4045         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
4046         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
4047         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
4048         * score/score3.c (score3_output_mi_thunk): Likewise.
4049         * score/score7.c (score7_output_mi_thunk): Likewise.
4050         * mips/mips.c (mips_output_mi_thunk): Likewise.
4051
4052 2008-04-03  Richard Guenther  <rguenther@suse.de>
4053
4054         * tree-vrp.c (extract_range_from_unary_expr): Handle all
4055         conversions.  Simplify code.
4056
4057 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4058
4059         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
4060
4061 2008-04-03  Tom Tromey  <tromey@redhat.com>
4062             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4063
4064         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
4065         * config/bfin/t-bfin-linux (generated_files): Add
4066         linux-sysroot-suffix.h.
4067         * doc/install.texi (Prerequisites): Require make 3.80.
4068         * doc/sourcebuild.texi (Front End Directory): Document new
4069         variable.
4070         * Makefile.in (generated_files): New variable.
4071         (ALL_HOST_OBJS): New variable.
4072         ($(ALL_HOST_OBJS)): New target.
4073
4074 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
4075
4076         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
4077         (remap_block): Call id->transform_lang_insert_block instead
4078         of langhook.
4079         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
4080         Set id.transform_lang_insert_block to NULL.
4081         (clone_body): Move to cp/optimize.c
4082         * tree-inline.h (struct copy_body_data): Change
4083         transform_lang_insert_block to function pointer.
4084         (copy_generic_body, copy_decl_no_change): Export.
4085         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
4086         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
4087         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
4088
4089         * c-tree.h (insert_block): Kill.
4090         * c-decl.c (insert_block): Kill.
4091
4092 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
4093
4094         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
4095         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
4096         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
4097         argument.
4098         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
4099         argument, call {push,pop}_function_context from here.
4100         * c-parser.c: Use c_{push,pop}_function_context.
4101
4102         * function.c (push_function_context_to): Move meat ...
4103         (push_function_context): ... here.  Simplify.
4104         * function.c (pop_function_context_from): Move meat ...
4105         (pop_function_context): ... here.  Simplify.
4106         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
4107         leave_nested).
4108         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
4109         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
4110         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
4111         * tree.h (push_function_context_to, pop_function_context_from): Remove.
4112
4113 2008-04-03  Ben Elliston  <bje@au.ibm.com>
4114
4115         * expmed.c (extract_force_align_mem_bit_field): Remove.
4116
4117 2008-04-03  Richard Guenther  <rguenther@suse.de>
4118
4119         PR middle-end/35800
4120         * expr.h (try_casesi): Adjust prototype.
4121         * expr.c (try_casesi): Take fallback label as extra parameter.
4122         Use that for gen_casesi if default_label is NULL.
4123         * stmt.c (expand_case): Pass fallback label to try_casesi,
4124         make sure to fill gaps with a fallback label if default_label
4125         is not present.
4126
4127 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
4128
4129         PR target/35801
4130         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
4131
4132 2008-04-03  Ben Elliston  <bje@au.ibm.com>
4133
4134         * expmed.c (extract_split_bit_field): Remove if (0) code.
4135         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
4136         (do_ds_constraint): Likewise.
4137
4138 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
4139
4140         * doc/cppopts.texi (-dU): Document.
4141         * c-common.h (flag_dump_macros): Update comment.
4142         * c-opts.c (handle_OPT_d): Handle -dU.
4143         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
4144         dump_queued_macros, cb_used_define, cb_used_undef): New.
4145         (init_pp_output): Handle -dU.
4146         (cb_line_change): Call dump_queued_macros.
4147         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
4148
4149 2008-04-02  Anatoly Sokolov <aesok@post.ru>
4150
4151         * config/avr/predicates.md (io_address_operand): New predicate. 
4152         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
4153         * config/avr/avr.c (avr_io_address_p): Remove function.
4154         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
4155         'avr_io_address_p' function.
4156         (out_movhi_r_mr): (Ditto.).
4157         (out_movqi_mr_r): (Ditto.).
4158         (out_movhi_mr_r): (Ditto.).
4159         (avr_address_cost): (Ditto.).
4160
4161 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
4162
4163         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
4164         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
4165         in 32bit mode when XMM registers are available to avoid store
4166         forwarding stalls.
4167         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
4168         corresponding post-reload splitters.
4169
4170 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
4171
4172         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
4173         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
4174         __builtin_ia32_roundss.
4175         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
4176         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
4177         __builtin_ia32_roundss.
4178         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
4179         IX86_BUILTIN_SHUFPD here.
4180
4181 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
4182
4183         * config/i386/i386.md (plogic): New.
4184         (plogicprefix): Likewise.
4185
4186         * config/i386/mmx.md (mmx_<code><mode>3): New.
4187         (mmx_and<mode>3): Removed.
4188         (mmx_ior<mode>3): Likewise.
4189         (mmx_xor<mode>3): Likewise.
4190
4191         * config/i386/sse.md (<code><mode>3): New.
4192         (*<code><mode>3): Likewise.
4193         (*<code><mode>3): Likewise.
4194         (<code><mode>3): Likewise.
4195         (*sse_<code><mode>3): Likewise.
4196         (*sse2_<code><mode>3): Likewise.
4197         (<code>tf3): Likewise.
4198         (*<code>tf3): Likewise.
4199         (and<mode>3): Likewise.
4200         (*and<mode>3): Likewise.
4201         (ior<mode>3): Removed.
4202         (*ior<mode>3): Likewise.
4203         (xor<mode>3): Likewise.
4204         (*xor<mode>3): Likewise.
4205         (*and<mode>3): Likewise.
4206         (*ior<mode>3): Likewise.
4207         (*xor<mode>3): Likewise.
4208         (and<mode>3): Likewise.
4209         (*sse_and<mode>3): Likewise.
4210         (*sse2_and<mode>3): Likewise.
4211         (andtf3): Likewise.
4212         (*andtf3): Likewise.
4213         (ior<mode>3): Likewise.
4214         (*sse_ior<mode>3): Likewise.
4215         (*sse2_ior<mode>3): Likewise.
4216         (iortf3): Likewise.
4217         (*iortf3): Likewise.
4218         (xor<mode>3): Likewise.
4219         (*sse_xor<mode>3): Likewise.
4220         (*sse2_xor<mode>3): Likewise.
4221         (xortf3): Likewise.
4222         (*xortf3): Likewise.
4223
4224 2008-04-02  Richard Guenther  <rguenther@suse.de>
4225
4226         PR tree-optimization/14495
4227         PR tree-optimization/34793
4228         * tree-vrp.c (struct switch_update): New structure.
4229         (to_remove_edges, to_update_switch_stmts): New VECs.
4230         (simplify_switch_using_ranges): New function.  Remove not taken
4231         case labels and edges.
4232         (simplify_stmt_using_ranges): Call it.
4233         (identify_jump_threads): Mark edges we have queued for removal
4234         so we don't thread them.
4235         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
4236         case label vector.
4237         * tree-cfg.c (group_case_labels): Deal with missing default label.
4238         (tree_verify_flow_info): Allow missing default label.
4239         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
4240         (emit_case_nodes): Likewise.
4241         (expand_case): Do not rely on the default label to be present.
4242         * expr.c (try_casesi): Deal with NULL default_label.
4243         (do_tablejump): Likewise.
4244
4245 2008-04-02  Richard Guenther  <rguenther@suse.de>
4246
4247         PR tree-optimization/14495
4248         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
4249         SWITCH_EXPR here ...
4250         (vrp_visit_switch_stmt): ... but here (new function).
4251         (find_case_label_index): New helper function.
4252         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
4253
4254 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4255
4256         * fwprop.c: Fix ISO-C99ism.
4257
4258 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4259
4260         PR bootstrap/35752
4261         * Makefile.in (objdir): Set it here.
4262         * configure.ac: Not here.  Find dynamic linker characteristics.
4263         * exec-tool.in: Use them.
4264         * aclocal.m4: Regenerate.
4265         * configure: Regenerate.
4266
4267 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4268
4269         * expr.c (expand_var): Delete it.
4270         * expr.h (expand_var): Delete prototype.
4271         * function.c (expand_function_start): Use expand_decl instead.
4272         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
4273         langhook.
4274
4275 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
4276
4277         PR rtl-optimization/35542
4278         * fwprop.c (forward_propagate_and_simplify): Replace
4279         loc_reg_mentioned_in_p with reg_mentioned_p.
4280
4281 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4282
4283         PR rtl-optimization/35281
4284         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
4285         (propagate_rtx_1): Handle PR_HANDLE_MEM.
4286         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
4287         (varying_mem_p): Move above propagate_rtx.
4288         (all_uses_available_at): Do not check MEMs.
4289
4290 2008-04-02  Rafael Espindola  <espindola@google.com>
4291
4292         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
4293         (register_edge_assert_for_2): Split the cond argument.
4294         (register_edge_assert_for_1): Adjust for the change in
4295         register_edge_assert_for_2.
4296         (register_edge_assert_for): Split the cond argument.
4297         (find_switch_asserts): Adjust for the change in
4298         register_edge_assert_for.
4299
4300 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
4301
4302         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
4303         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
4304         offsets for 64-bit mingw.
4305         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
4306         abi for x86_64-pc-mingw.
4307
4308 2008-04-02  Richard Guenther  <rguenther@suse.de>
4309
4310         * tree-vrp.c (extract_range_from_assert): Make sure to not
4311         produce range min/max with TREE_OVERFOW set.
4312         If merging a anti-range and a range keep the anti-range if
4313         the range covers all values of the type.
4314         (register_edge_assert_for_2): Only allow sign-changing
4315         conversions in detecting canonical range checks.  Also
4316         register an assert for the unsigned name if useful.
4317
4318         PR tree-optimization/35787
4319         * tree-vrp.c (vrp_val_max): New function.
4320         (vrp_val_min): Likewise.
4321         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
4322         (vrp_val_is_min): Likewise.
4323         (supports_overflow_infinity): Use vrp_val_{min,max}.
4324         (negative_overflow_infinity): Likewise.
4325         (positive_overflow_infinity): Likewise.
4326         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
4327         (is_positive_overflow_infinity): Likewise.
4328         (is_overflow_infinity): Likewise.
4329         (avoid_overflow_infinity): Use vrp_val_{min,max} and
4330         vrp_val_is_{min,max}.
4331         (set_and_canonicalize_value_range): Canonicalize anti-ranges
4332         to ranges if possible.  Avoid empty ranges.
4333
4334 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4335
4336         PR middle-end/35705
4337         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
4338         the expression is a function address.
4339
4340 2008-04-01  George Helffrich  <george@gcc.gnu.org>
4341
4342         PR fortran/35154, fortran/23057
4343         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
4344         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
4345         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
4346         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
4347         in common.
4348         (dbxout_syms): Check for COMMON-based symbol and wrap in
4349         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
4350         in bracket for efficiency.
4351
4352         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
4353         using DW_TAG_common_block + member offset.
4354         (add_pubname_string): New function.
4355         (dw_expand_expr): New function to find block name and offset for
4356         COMMON var.
4357         (common_check): New function to check whether symbol in Fortran COMMON.
4358         (gen_variable_die): If COMMON, use DW_TAG_common_block.
4359
4360 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
4361
4362         PR c/35436
4363         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
4364
4365 2008-04-02  Ben Elliston  <bje@au.ibm.com>
4366
4367         * config/v850/v850.md (casesi): Remove if (0) code.
4368         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
4369         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
4370
4371 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
4372
4373         * config/i386/i386.md (rex64suffix): New mode attribute.
4374         (floathi<mode>2): Disable expander for SSE math.
4375         (*floathi<mode>2_1): New insn insn_and_split pattern.
4376         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
4377         corresponding post-reload splitters.
4378         (*floathi<mode>2_i387): New macroized insn pattern.
4379         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
4380         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
4381         insn_and_split pattern.
4382         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
4383         New macroized instruction patterns and corresponding post-reload
4384         splitters.
4385         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
4386         and corresponding post-reload splitters.
4387         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
4388         New macroized instruction patterns.
4389         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
4390         macroized instruction patterns and corresponding post-reload splitters.
4391         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
4392         corresponding post-reload splitters.
4393         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
4394         New macroized instruction patterns.
4395         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
4396         corresponding post-reload splitters.
4397         (*floatsi<mode>2_i387): New macroized instruction patterns.
4398
4399 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
4400
4401         * config/i386/i386.md (smaxmin): New.
4402         (umaxmin): Likewise.
4403         (maxminiprefix): Likewise.
4404         (maxminfprefix): Likewise.
4405         (<code><mode>3): Likewise.
4406         (smin<mode>3): Removed.
4407         (smax<mode>3): Likewise.
4408
4409         * config/i386/mmx.md (mmx_<code>v2sf3): New.
4410         (mmx_<code>v4hi3): Likewise.
4411         (mmx_<code>v8qi3): Likewise.
4412         (mmx_smaxv2sf3): Removed.
4413         (mmx_sminv2sf3): Likewise.
4414         (mmx_umaxv8qi3): Likewise.
4415         (mmx_smaxv4hi3): Likewise.
4416         (mmx_uminv8qi3): Likewise.
4417         (mmx_sminv4hi3): Likewise.
4418
4419         * config/i386/sse.md (<addsub><mode>3): New.
4420         (*<addsub><mode>3): Likewise.
4421         (<sse>_vm<addsub><mode>3): Likewise.
4422         (<maxmin><mode>3): Likewise.
4423         (*<maxmin><mode>3_finite): Likewise.
4424         (*<maxmin><mode>3): Likewise.
4425         (<sse>_vm<maxmin><mode>3): Likewise.
4426         (sse3_h<addsub>v4sf3): Likewise.
4427         (sse3_h<addsub>v2df3): Likewise.
4428         (<maxmin>v16qi3): Likewise.
4429         (*<maxmin>v16qi3): Likewise.
4430         (<maxmin>v8hi3): Likewise.
4431         (*<maxmin>v8hi3): Likewise.
4432         (*sse4_1_<maxmin><mode>3): Likewise.
4433         (*sse4_1_<maxmin><mode>3): Likewise.
4434         (add<mode>3): Removed.
4435         (*add<mode>3): Likewise.
4436         (<sse>_vmadd<mode>3): Likewise.
4437         (sub<mode>3): Likewise.
4438         (*sub<mode>3): Likewise.
4439         (<sse>_vmsub<mode>3): Likewise.
4440         (smin<mode>3): Likewise.
4441         (*smin<mode>3_finite): Likewise.
4442         (*smin<mode>3): Likewise.
4443         (<sse>_vmsmin<mode>3): Likewise.
4444         (smax<mode>3): Likewise.
4445         (*smax<mode>3_finite): Likewise.
4446         (*smax<mode>3): Likewise.
4447         (<sse>_vmsmax<mode>3): Likewise.
4448         (sse3_haddv4sf3): Likewise.
4449         (sse3_haddv2df3): Likewise.
4450         (sse3_hsubv4sf3): Likewise.
4451         (sse3_hsubv2df3): Likewise.
4452         (umaxv16qi3): Likewise.
4453         (*umaxv16qi3): Likewise.
4454         (smaxv8hi3): Likewise.
4455         (*smaxv8hi3): Likewise.
4456         (*sse4_1_smax<mode>3): Likewise.
4457         (*sse4_1_umax<mode>3): Likewise.
4458         (uminv16qi3): Likewise.
4459         (*uminv16qi3): Likewise.
4460         (sminv8hi3): Likewise.
4461         (*sminv8hi3): Likewise.
4462         (*sse4_1_smin<mode>3): Likewise.
4463         (*sse4_1_umin<mode>3): Likewise.
4464
4465 2008-04-01  Rafael Espindola  <espindola@google.com>
4466
4467         * tree-cfg.c (verify_expr): remove in_phi.
4468         (verify_stmt): Don't call walk_tree with verify_expr. Use
4469         is_gimple_min_invariant instead of is_gimple_val.
4470
4471 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
4472
4473         * doc/include/gpl_v3.texi: Update for manpage generation.
4474         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
4475         gpl.texi.
4476         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
4477         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
4478         gpl_v3.texi instead of gpl.texi.
4479         (gpl.pod): New.
4480
4481 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
4482
4483         PR pch/13675
4484         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
4485
4486 2008-04-01  Rafael Espindola  <espindola@google.com>
4487
4488         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
4489         (extract_code_and_val_from_cond): Use
4490         extract_code_and_val_from_cond_with_ops.
4491
4492 2008-04-01  Jan Hubicka  <jh@suse.cz>
4493
4494         * function.c (free_after_compilation): Free epilogue_delay_list.
4495         (prepare_function_start): Assert that previous compilation was freed.
4496
4497 2008-04-01  Jan Hubicka  <jh@suse.cz>
4498             Jim Wilson  <wilson@tuliptree.org>
4499             Andreas Tobler <andreast@gcc.gnu.org>
4500
4501         PR middle-end/35781
4502         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
4503         rtl.emit instead cfun->emit.
4504         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
4505         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
4506
4507 2008-04-01  Ben Elliston  <bje@au.ibm.com>
4508
4509         * doc/c-tree.texi (Function Basics): Fix grammatical error.
4510
4511 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
4512
4513         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
4514         New options
4515         (fprofile-use): Add var flag_profile_use
4516         * coverage.c (coverage_begin_output): Do not open a gcno file for
4517         output only if -ftest-coverage is set.
4518         Do not add getpwd() to gcda file path.
4519         (build_gcov_info): Check the new flag
4520         flag_profile_datafile_relative_path.
4521         (coverage_init): Use profile_data_prefix.
4522         Read profile counter only if flag_profile_use is set.
4523         * opts.c (common_handle_option): New option fprofile-use=,
4524         fprofile-dir=, fprofile-generate=.
4525         * toplev.c (profile_data_prefix): New variable definition.
4526         * toplev.h (profile_data_prefix): New declaration.
4527         * doc/invoke.tex (Option Summary, Optimization Options):
4528         Add new options.
4529
4530 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
4531
4532         * varasm.c (output_constant_pool_1): In LABEL_REF check,
4533         use tmp consistently.
4534
4535         PR target/35695
4536         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
4537         * config/ia64/ia64.c (rtx_needs_barrier): Handle
4538         UNSPEC_FR_RECIP_APPROX_RES.
4539         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
4540
4541 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
4542
4543         PR c/35750
4544         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
4545
4546 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4547
4548         PR middle-end/30186
4549         * fold-const.c (fold_indirect_ref_1): Support accessing non first
4550         element of the vector via a pointer.
4551
4552 2008-03-31  Ian Lance Taylor  <iant@google.com>
4553
4554         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
4555
4556 2008-03-31  Jan Hubicka  <jh@suse.cz>
4557
4558         * builtins.c (expand_builtin_setjmp_receiver): Update call of
4559         get_arg_pointer_save_area.
4560         * expr.c (init_expr): Just clear out rtl.expr.
4561         * function.c (free_after_compilation): Clear out whole RTL structure.
4562         (get_func_frame_size): Merge into ...
4563         (get_frame_size): ... this one.
4564         (assign_stack_local_1): Merge into ...
4565         (assign_stack_local): ... this one.
4566         (expand_function_end): Update call of get_arg_pointer_save_area.
4567         (get_art_pointer_save_area): Remove cfun argument.
4568         * function.h (emit_status): regno_pointer_align does not need length
4569         attribute. Move x_regno_reg_rtx to ...
4570         (regno_reg_rtx): ... new global array.
4571         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
4572         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
4573         apply_args_value, forced_labels, stack_pointer_delta):
4574         Update accestors.
4575         (struct varasm_status): Move here from varasm.c
4576         (struct rtl_data): New. Move here some fields from struct function.
4577         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
4578         frame_offset, stack_check_probe_note, arg_pointer_save_area,
4579         used_temp_slots avail_temp_slots, temp_slot_level,
4580         nonlocal_goto_handler_labels): Update accesstors.
4581         (rtl): New global variable.
4582         (struct function): Move some fileds to rtl_data.
4583         (get_arg_pointer_save_area): Update prototype.
4584         * emit-rtl.c (rtl): Declare.
4585         (regno_reg_rtx): Declare.
4586         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
4587         Update.
4588         (gen_reg_rtx): Update.
4589         (init_virtual_regs): Do not tate emit_status argument.
4590         (init_emit): Do not allocate emit.
4591         * varasm.c (varasm_statuc): Move to function.h.
4592         (n_deferred_constatns): Update accestor.
4593         (init_varasm_status): Do not allocate varasm_status.
4594         (force_const_mem, get_pool_size, output_constant_pool): Update.
4595         * stmt.c (force_label_rtx): Do not use x_ prefixes.
4596         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
4597
4598 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
4599
4600         PR rtl-optimization/35729
4601         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
4602         references.
4603
4604 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
4605
4606         PR target/32000
4607         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
4608         load/store if memory is unaligned.
4609         (*movti_rex64): Likewise.
4610
4611         * config/i386/predicates.md (misaligned_operand): New.
4612
4613 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
4614
4615         PR tree-opt/35431
4616         * tree-ssa-phiopt.c (conditional_replacement): Return early for
4617         complex types.
4618
4619 2008-03-31  Jan Beulich  <jbeulich@novell.com>
4620
4621         * config/ia64/constraints.md: Add 'j' constraint.
4622         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
4623         (movdi_internal): Likewise.
4624
4625 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
4626
4627         PR c/35748
4628         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
4629
4630 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
4631
4632         PR target/35757
4633         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
4634         proper error message for the third argument on blendpd and
4635         blendps.
4636
4637         * config/i386/sse.md (blendbits): New.
4638         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
4639
4640 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
4641
4642         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
4643
4644 2008-03-30  Richard Guenther  <rguenther@suse.de>
4645
4646         PR middle-end/31023
4647         * fold-const.c (fold_sign_changed_comparison): Do leave
4648         conversions to base-types alone.
4649
4650 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4651
4652         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
4653         the link register if one altivec register is be saved.
4654
4655 2008-03-30  Ben Elliston  <bje@au.ibm.com>
4656
4657         * final.c (final_scan_insn): Remove if (0) code.
4658
4659 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
4660
4661         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
4662
4663 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
4664
4665         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
4666         of V4SFmode to ix86_binary_operator_ok.
4667
4668 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
4669
4670         * config/i386/i386.c (override_options): Initialize
4671         ix86_veclib_handler to ix86_veclibabi_svml when
4672         -mveclibabi=svml is used.
4673         (ix86_veclibabi_svml): New function for SVML ABI style
4674         vectorization support.
4675         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
4676
4677 2008-03-28  Rafael Espindola  <espindola@google.com>
4678
4679         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
4680         (tree_binary_nonnegative_warnv_p): Make it public.
4681         (tree_single_nonnegative_warnv_p): Make it public.
4682         (tree_invalid_nonnegative_warnv_p): Make it public.
4683         (tree_unary_nonzero_warnv_p): Make it public.
4684         (tree_binary_nonzero_warnv_p): Make it public
4685         (tree_single_nonzero_warnv_p): Make it public.
4686         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
4687         (extract_range_from_binary_expr): Split the expr argument.
4688         (extract_range_from_unary_expr): Split the expr argument.
4689         (extract_range_from_comparison): Split the expr argument.
4690         (extract_range_from_expr): Use the new aux functions.
4691         (vrp_evaluate_conditional_warnv): Use
4692         vrp_evaluate_conditional_warnv_with_ops.
4693         * tree.h (tree_unary_nonzero_warnv_p): Declare.
4694         (tree_binary_nonzero_warnv_p): Declare.
4695         (tree_single_nonzero_warnv_p): Declare.
4696         (tree_expr_nonzero_warnv_p): Declare.
4697         (tree_unary_nonnegative_warnv_p): Declare.
4698         (tree_binary_nonnegative_warnv_p): Declare.
4699         (tree_single_nonnegative_warnv_p): Declare.
4700         (tree_invalid_nonnegative_warnv_p): Declare.
4701
4702 2008-03-28  Richard Guenther  <rguenther@suse.de>
4703
4704         PR tree-optimization/30317
4705         PR tree-optimization/30911
4706         PR tree-optimization/34793
4707         * tree-vrp.c (set_and_canonicalize_value_range): New function.
4708         (struct assert_locus_d): New member EXPR.
4709         (register_new_assert_for): Add EXPR parameter to support
4710         ASSERT_EXPR <name, expr OP limit>.
4711         (register_edge_assert_for_1): Adjust callers.
4712         (find_assert_locations): Likewise.
4713         (process_assert_insertions_for): Build condition from expression.
4714         (extract_range_from_assert): Handle ASSERT_EXPRs
4715         of the form ASSERT_EXPR <name, expr OP limit>.
4716         (register_edge_assert_for_2): New helper registering
4717         asserts for comparisons.  Recognize range tests of the form
4718         (unsigned)i - CST1 OP CST2.
4719         (register_edge_assert_for_1): Use it.
4720         (register_edge_assert_for): Likewise.
4721         (needs_overflow_infinity): Integer sub-types
4722         do not need overflow infinities.
4723         (vrp_val_is_max): The extreme values of integer sub-types
4724         are those of the base type.
4725         (vrp_val_is_min): Likewise.
4726         * tree.def (ASSERT_EXPR): Document extra allowed conditional
4727         expressions.
4728
4729 2008-03-28  Nick Clifton  <nickc@redhat.com>
4730
4731         PR target/31110
4732         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
4733         Return GENERAL_REGS for stack adjustment reloads.
4734
4735 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4736
4737         PR target/31334
4738         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
4739         const_vector when all the vectors are constant.
4740
4741 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
4742
4743         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
4744         comparisons.
4745         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
4746         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
4747         (scc_sf): New.
4748         (s<code>_sf): Use new scc_sf attribute for opcode names.
4749
4750 2008-03-27  Tom Tromey  <tromey@redhat.com>
4751
4752         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
4753         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
4754         config/spu/t-spu-elf, config/i386/t-interix,
4755         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
4756         config/i386/x-darwin, config/i386/x-mingw32,
4757         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
4758         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
4759         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
4760         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
4761         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
4762         config/rs6000/x-darwin, config/rs6000/t-rs6000,
4763         config/score/t-score-elf, config/arm/t-strongarm-pe,
4764         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
4765         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
4766         Revert automatic dependency patch.
4767
4768 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4769
4770         PR target/35657
4771         * config/i386/i386.c (ix86_function_arg_boundary): Align
4772         decimal floating point to its natural boundary.
4773
4774 2008-03-27  Richard Guenther  <rguenther@suse.de>
4775
4776         PR middle-end/35716
4777         * fold-const.c (fold_comparison): Restrict distinct decl
4778         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
4779         solely rely on operand_equal_p.
4780
4781 2008-03-27  Richard Guenther  <rguenther@suse.de>
4782
4783         PR c/32511
4784         * c-common.c (handle_weak_attribute): Reject combination of
4785         weak and inline.
4786
4787 2008-03-27  Richard Guenther  <rguenther@suse.de>
4788
4789         PR tree-optimization/32810
4790         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
4791         conversions from DECL_INITIAL.
4792         (fold_const_aggregate_ref): Likewise from constructor elements.
4793
4794 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
4795
4796         * tree-affine.h (aff_combination_expand): Declare.
4797         (get_inner_reference_aff): Likewise.
4798         * tree-affine.c (aff_combination_expand): Split out from
4799         tree_to_aff_combination_expand.
4800         (get_inner_reference_aff): New function.
4801         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
4802         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
4803         (struct lim_aux_data): sm_done field removed.
4804         (mem_ref_loc_p, mem_ref_locs_p): New types.
4805         (struct mem_ref): Added id, stored, accesses_in_loop,
4806         indep_loop, dep_loop, indep_ref, dep_ref fields.
4807         Removed is_stored, locs and next fields.
4808         (memory_accesses): New variable.
4809         (movement_possibility): Do not allow moving statements
4810         that store to memory.
4811         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
4812         New functions.
4813         (determine_max_movement): For statements with memory references,
4814         find the outermost loop in that the reference is independent.
4815         (move_computations_stmt): Mark the virtual operands for renaming.
4816         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
4817         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
4818         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
4819         add_vop_ref_mapping, create_vop_ref_mapping_loop,
4820         create_vop_ref_mapping, analyze_memory_references,
4821         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
4822         get_all_locs_in_loop, ref_always_accessed_p,
4823         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
4824         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
4825         store_motion_loop, store_motion): New functions.
4826         (struct vop_to_refs_elt): New type.
4827         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
4828         memref_hash, memref_eq, hoist_memory_references): Rewritten.
4829         (schedule_sm): Replaced by...
4830         (execute_sm): ... this.
4831         (determine_lsm_ref, hoist_memory_references,
4832         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
4833         find_more_ref_vops, free_mem_ref, free_mem_refs,
4834         determine_lsm_loop, determine_lsm): Removed.
4835         (tree_ssa_lim_finalize): Free data structures used by store motion.
4836         (tree_ssa_lim): Call analyze_memory_references.  Use
4837         store_motion instead of determine_lsm.
4838
4839 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
4840
4841         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
4842         rename tmake_file to m68hc11/t-m68hc11.
4843         (mcore): Set inhibit_libc to true.
4844         * config.host (alpha*-dec-*vms*): Set extra_programs.
4845         (interix3*): Don't use host_xmake_file.
4846         * configure.ac: Let config.gcc override inhibit_libc.
4847         * configure: Regenerate.
4848
4849         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
4850         * config/t-openbsd-thread: Remove commented out lines.
4851         
4852         * config/x-interix: Remove.
4853
4854         * config/m68hc11/t-m68hc11-gas: Rename to...
4855         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
4856
4857         * config/mcore/t-mcore: Remove T_CFLAGS.
4858         * config/mcore/t-mcore-pe: Likewise.
4859
4860 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
4861
4862         * configure.ac: Replace custom __GNU_SOURCE test with
4863         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
4864         * aclocal.m4: Regenerate.
4865         * configure: Regenerate.
4866         * config.in: Regenerate.
4867
4868 2008-03-27  Richard Guenther  <rguenther@suse.de>
4869
4870         * fold-const.c (target.h): Include.
4871         (fold_comparison): Fold comparison of addresses of decls
4872         that bind locally or of constants.  Consolidate address folding code.
4873         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
4874         results from fold_binary_to_constant.
4875         (compare_values_warnv): Likewise.
4876
4877 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
4878
4879         PR middle-end/35429
4880         * fold-const.c (fold_truthop): Check for integeral types when folding
4881         a == 0 && b == 0 and a != 0 || b != 0 .
4882
4883 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
4884
4885         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
4886
4887 2008-03-26  Andreas Schwab  <schwab@suse.de>
4888
4889         * doc/invoke.texi: Fix use of @item vs. @itemx.
4890
4891 2008-03-26  Tom Tromey  <tromey@redhat.com>
4892
4893         * Makefile.in (build/gensupport.o, build/print-rtl.o,
4894         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
4895         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
4896         build/gencodes.o, build/genconditions.o, build/genconfig.o,
4897         build/genconstants.o, build/genemit.o, build/genextract.o,
4898         build/genflags.o, build/genmddeps.o, build/genopinit.o,
4899         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
4900         options.h.
4901
4902 2008-03-26  Richard Guenther  <rguenther@suse.de>
4903
4904         Revert
4905         2008-03-26  Richard Guenther  <rguenther@suse.de>
4906
4907         * fold-const.c (target.h): Include.
4908         (fold_comparison): Fold comparison of addresses of two decls
4909         that bind locally.  Consolidate address folding code.
4910
4911 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4912
4913         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
4914         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
4915         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
4916         dconstsqrt2, dconstthird, dconste and/or dconst10.
4917         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
4918         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
4919         dconstsqrt2, dconste): Delete.
4920         (init_emit_once): Likewise.  Simplify initializing dconstm1.
4921         Constify variable.
4922         * real.c (get_real_const): New.
4923         * real.h (dconst3, dconst10, dconstm2, dconstthird,
4924         dconstsqrt2, dconste): Delete.
4925         (real_value_const, get_real_const): New.
4926
4927 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
4928
4929         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
4930
4931         * config/i386/i386.c (ix86_function_arg_boundary): Check
4932         BIGGEST_ALIGNMENT instead of 128.
4933         (setup_incoming_varargs_64): Likewise.
4934
4935 2008-03-26  Tom Tromey  <tromey@redhat.com>
4936
4937         * Makefile.in (DEPFILES): Add missing '/'.
4938
4939 2008-03-26  Richard Guenther  <rguenther@suse.de>
4940
4941         * fold-const.c (target.h): Include.
4942         (fold_comparison): Fold comparison of addresses of two decls
4943         that bind locally.  Consolidate address folding code.
4944
4945 2008-03-26  Nick Clifton  <nickc@redhat.com>
4946
4947         PR target/31232
4948         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
4949         not allow INT+INT as a legitimate addressing mode.
4950
4951 2008-03-26  Richard Guenther  <rguenther@suse.de>
4952
4953         * tree-flow.h (widen_bitfield): Remove declaration.
4954         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
4955         (widen_bitfield): Remove function.
4956         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
4957         code.
4958
4959 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4960
4961         PR target/31558
4962         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
4963         error_mark_node's.
4964
4965 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
4966
4967         PR rtl-optimization/35232
4968         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
4969         (forget_old_reloads_1, forget_marked_reloads): Don't clear
4970         reg_reloaded_call_part_clobbered here.
4971         (reload_regs_reach_end_p): New function.
4972         (reload_reg_rtx_for_input): New variable.
4973         (reload_reg_rtx_for_output): Likewise.
4974         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
4975         when reassigning a pseudo register.  Load reloadreg from 
4976         reload_reg_rtx_for_input, moving the mode and register
4977         calculation to...
4978         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
4979         instead of the original when deciding whether an input reload
4980         would be a no-op or whether an output reload can be deleted.
4981         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
4982         when setting up new_spill_reg_store.  Load it from
4983         reload_reg_rtx_for_output, moving the mode and register
4984         calculation to...
4985         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
4986         instead of the original when deciding whether an output reload
4987         would be a no-op.  Do the same when modifying insn notes.
4988         Use rtx_equal_p instead of == to compare the registers.
4989         (inherit_piecemeal_p): Take a mode and two register numbers
4990         as argument.
4991         (emit_reload_insns): Clear new_spill_reg_store for every hard
4992         register in the reload register.  Remove spill registers
4993         from reg_reloaded_valid before considering whether to record
4994         inheritance information for them.  Use reload_reg_rtx_for_output
4995         instead of reg_rtx when recording output reloads.  Use
4996         reload_reg_rtx_for_input instead of reg_rtx when recording
4997         input reloads.  Set or clear reg_reloaded_call_part_clobbered
4998         at the same time as setting reg_reloaded_valid.
4999         (delete_output_reload): Add a new_reload_reg parameter and use it
5000         instead of rld[j].reg_rtx.
5001         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
5002         calls accordingly.
5003
5004 2008-03-25  Tom Tromey  <tromey@redhat.com>
5005
5006         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
5007         (build/genattr.o): Likewise.
5008         (build/genattrtab.o): Likewise.
5009         (build/gencodes.o): Likewise.
5010         (build/genconfig.o): Likewise.
5011         (build/genconstants.o): Likewise.
5012         (build/genemit.o): Likewise.
5013         (build/genextract.o): Likewise.
5014         (build/genflags.o): Likewise.
5015
5016 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
5017         
5018         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
5019         instead of size_int for integer types.
5020         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
5021         to match type of MINUS_EXPR.
5022         
5023 2008-03-25  Tom Tromey  <tromey@redhat.com>
5024
5025         * configure: Rebuilt.
5026         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
5027         Makefile.
5028
5029 2008-03-25  Tom Tromey  <tromey@redhat.com>
5030
5031         * config/x-solaris (host-solaris.o): Update.
5032         * config/x-linux (host-linux.o): Update.
5033         * config/x-hpux (host-hpux.o): Update.
5034         * config/x-darwin (host-darwin.o): Update.
5035         * config/v850/t-v850e (v850-c.o): Update.
5036         * config/v850/t-v850 (v850-c.o): Update.
5037         * config/t-vxworks (vxworks.o): Update.
5038         * config/t-sol2 (sol2-c.o, sol2.o): Update.
5039         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
5040         * config/spu/t-spu-elf (spu-c.o): Update.
5041         (spu.o): Remove.
5042         * config/sh/t-symbian (sh-c.o): Update.
5043         (symbian.o): Update.
5044         * config/sh/t-sh (sh-c.o): Update.
5045         * config/score/t-score-elf (score7.o, score3.o): Update.
5046         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
5047         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
5048         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
5049         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
5050         (rs6000.o): Remove.
5051         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
5052         * config/m32c/t-m32c (m32c-pragma.o): Update.
5053         * config/ia64/t-ia64 (ia64-c.o): Update.
5054         * config/i386/x-mingw32 (host-mingw32.o): Update.
5055         * config/i386/x-i386 (driver-i386.o): Update.
5056         * config/i386/x-darwin (host-i386-darwin.o): Update.
5057         * config/i386/x-cygwin (host-cygwin.o): Update.
5058         * config/i386/t-nwld (nwld.o): Update.
5059         * config/i386/t-netware (netware.o): Update.
5060         * config/i386/t-interix (winnt.o): Update.
5061         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
5062         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
5063         msformat-c.o): Update.
5064         * config/bfin/t-bfin-linux (generated_files): Add
5065         linux-sysroot-suffix.h.
5066         * config/arm/t-wince-pe (pe.o): Update.
5067         * config/arm/t-strongarm-pe (pe.o): Update.
5068         * config/arm/t-pe (pe.o): Update.
5069         * config/arm/t-arm (arm-c.o): Update.
5070         * doc/install.texi (Prerequisites): Require make 3.80.
5071         * Makefile.in: Remove .o targets.
5072         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
5073         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
5074         (simple_generated_h, simple_generated_c): Move earlier.
5075         (generated_files): New variable.
5076         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
5077         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
5078         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
5079         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
5080         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
5081         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
5082         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
5083         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
5084         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
5085         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
5086         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
5087         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
5088         (.c.o): Remove.
5089         (COMPILE.base, COMPILE): New variables.
5090         (%.o): New pattern rule.
5091         (ALL_HOST_OBJS): New variable.
5092         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
5093         (dummy-checksum.o, cc1-checksum.o): Remove.
5094         (DRIVER_SHLIB): New variable.
5095         (DRIVER_DEFINES): Use it.
5096         (gencondmd.c): Move out of build/.
5097         (s-conditions): Update.
5098         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
5099         (ALL_BUILD_OBJS): Likewise.
5100         (build/%.o): Use BUILDCOMPILE.
5101         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
5102         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
5103         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
5104         build/gencheck.o, build/gencodes.o, build/genconditions.o,
5105         build/genconfig.o, build/genconstants.o, build/genemit.o,
5106         build/genextract.o, build/genflags.o, build/genmddeps.o,
5107         build/genopinit.o, build/genoutput.o, build/genpeep.o,
5108         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
5109         build/gen-protos.o, build/scan.o, build/fix-header.o,
5110         build/scan-decls.o): Simplify.
5111         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
5112         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
5113         prefix.o, toplev.o): Reduce to variable setting.
5114         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
5115         ($(out_object_file), gcc-options.o): New targets.
5116         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
5117         * configure: Rebuilt.
5118         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
5119         * doc/sourcebuild.texi (Front End Directory): Document new variable.
5120
5121 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
5122
5123         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
5124         complain when we hit an error, return ERROR_MARK_NODE.
5125
5126 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5127
5128         * config/sh/constraints.md (Pso, Psz): New constraints.
5129         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
5130         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
5131
5132 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5133
5134         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
5135         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
5136
5137 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5138
5139         * config/sh/sh.md (prefetch): Add condition for SH2A target.
5140         (prefetch_sh2a): New.   
5141
5142 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
5143             Naveen.H.S  <naveen.hs@kpitcummins.com>
5144
5145         * config/sh/constraints.md (I28): New constraint.
5146         * config/sh/sh.c (broken_move): Add support for movi20s.
5147         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
5148
5149 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
5150             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
5151             Naveen.H.S  <naveen.hs@kpitcummins.com>
5152
5153         * config/sh/sh.c (SH_ATTRIBUTES): Define.
5154         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
5155         (print_operand): Handle resbank in %@ operand code.
5156         (sh_encode_section_info): New.
5157         (push_regs): Add conditions for resbank.
5158         (sh_expand_epilogue): Likewise.
5159         (sh_insert_attributes): Likewise.
5160         (sh_attribute_table): Likewise.
5161         (sh_handle_resbank_handler_attribute): New.
5162         (sh2a_handle_function_vector_handler_attribute): New.
5163         (sh2a_is_function_vector_call): New.
5164         (sh2a_get_function_vector_number): New.
5165         (sh2a_function_vector_p): New.
5166         (sh_cfun_resbank_handler_p): New.
5167         * config/sh/sh.md (calli): Emit jsr/n if possible.
5168         (calli_tbr_rel): New.
5169         (calli_pcrel): Emit jsr/n if possible.
5170         (return_i): Emit rts/n if possible.
5171         (call_valuei_tbr_rel): New.
5172         (call_valuei_pcrel): Add condition for SH2A target.
5173         (call_value): Likewise.
5174         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
5175         (sh2a_get_function_vector_number): Likewise.
5176         (sh2a_is_function_vector_call): Likewise.
5177         * doc/extend.texi: Document TBR relative addressing of SH2A.
5178         (resbank): Add description for SH2A.
5179
5180 2008-03-24  Richard Guenther  <rguenther@suse.de>
5181
5182         PR c/22371
5183         * gimplify.c (gimplify_modify_expr): For frontend type-correct
5184         pointer assignments change conversions according to middle-end rules.
5185         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
5186         * configure.ac: Include type checking in yes.
5187         * configure: Regenerate.
5188
5189 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5190
5191         * diagnostic.c (diagnostic_count_diagnostic): Delete.
5192         (diagnostic_report_diagnostic): Update. Handle ICEs here.
5193         
5194 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
5195
5196         * gthr-vxworks.h (UNUSED): Define.
5197
5198 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
5199
5200         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
5201
5202 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
5203
5204         * doc/extend.texi (Function Attributes): Add missing comma in the
5205         example of the "alloc_size" attribute.
5206         
5207 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
5208
5209         Revert:
5210         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
5211
5212         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
5213         32bit host.
5214
5215         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
5216
5217         PR target/35496
5218         * stor-layout.c (update_alignment_for_field): Set minimum alignment
5219         of the underlying type of a MS bitfield layout to the natural
5220         alignment of the type.
5221
5222         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
5223
5224         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
5225         to their natural alignment to avoid store forwarding stalls.
5226
5227 2008-03-22  Richard Guenther  <rguenther@suse.de>
5228
5229         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
5230         For PHI nodes verify the address is invariant.
5231         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
5232         (get_symbol_constant_value): Use is_gimple_min_invariant.
5233         (maybe_fold_stmt_indirect): Likewise.
5234
5235 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
5236
5237         PR rtl-optimization/33927
5238         * Makefile.in (dse.o): Depend on $(TM_P_H).
5239         * expr.h (extract_low_bits): Declare.
5240         * expmed.c (extract_low_bits): New function.
5241         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
5242         * dse.c: Include tm_p.h.
5243         (find_shift_sequence): Remove the read_reg argument and return the
5244         read value.  Emit the instructions instead of returning them.
5245         Iterate on new_mode rather than calculating it each time.
5246         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
5247         source to NEW_MODE and extract_low_bits to convert the shifted
5248         value to READ_MODE.
5249         (replace_read): Allow the load and store to have different mode
5250         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
5251         or extraction instructions before trying the replacement.  Update
5252         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
5253
5254 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
5255
5256         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
5257         to their natural alignment to avoid store forwarding stalls.
5258
5259 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5260
5261         PR target/27946
5262         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
5263         encouraging but not allowing gprs for input;
5264         change the input constraint to !f#r.
5265         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
5266         gprs for output;
5267         change the output constraint to !f#r.
5268
5269 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
5270
5271         PR target/13958
5272         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
5273         corresponding post-reload splitters.
5274         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
5275         when x87 FP math is selected.
5276         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
5277         New function prototype.
5278         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
5279         unreachable function to ease macroization of insn patterns.
5280
5281 2008-03-21  Martin Jambor  <mjambor@suse.cz>
5282
5283         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
5284         reference dumps if ddr is NULL or dependence is unknown.
5285
5286 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5287
5288         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
5289         unsigned extension into account.
5290         (ATOMIC_COMPARE_AND_SWAP): Likewise.
5291         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
5292         Do computations on a scratch register.
5293
5294 2008-03-21  Richard Guenther  <rguenther@suse.de>
5295
5296         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
5297         Use is_gimple_min_invariant instead of TREE_INVARIANT.
5298         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
5299         * tree-ssa-dom.c (record_equality): Likewise.
5300         * tree-inline.c (copy_body_r): Likewise.
5301         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
5302         TREE_INVARIANT.
5303
5304 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5305
5306         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
5307         as 'delete_unused' argument.
5308
5309 2008-03-20  Richard Guenther  <rguenther@suse.de>
5310
5311         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
5312         special casing of constant qualifiers.
5313         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
5314         care about them in general.
5315         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
5316         regardless of their type.
5317         (fold_stmt_r): Forcefully fold *& if we end up with that.
5318
5319 2008-03-20  Paul Brook  <paul@codesourcery.com>
5320
5321         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
5322         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
5323         linker flags.
5324         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
5325         definition.
5326         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
5327         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
5328
5329 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
5330
5331         * common.opt (Wmudflap): New option.
5332         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
5333         (mx_register_decls): Likewise.
5334         (mudflap_finish_file): Likewise.
5335         * doc/invoke.texi: Document -Wno-mudflap.
5336
5337 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
5338
5339         * c-format.c (replace_format_name_to_system_name): New.
5340         (cmp_attribs): New.
5341         (convert_format_name_to_system_name): New.
5342         (decode_format_attr): Add use of convert_format_name_to_system_name.
5343         (format_types_orig): Add gnu_ prefix to names.
5344         (check_format_info_main): Special treating of \0 escaped names for
5345         supporting multi-character format specifiers as I32, I64.
5346         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
5347         (gnu_target_overrides_format_attributes): New.
5348         * c-format.h: Add structure target_ovr_attr to hold
5349         system specific formatter names.
5350         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
5351         msformat-c.o file to c_target_objs and cxx_target_objs.
5352         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
5353         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
5354         (TARGET_N_FORMAT_TYPES): New.
5355         * config/i386/msformat-c.c: New.
5356         * config/i386/t-cygming: Add build rule for msformat-c.o.
5357         * doc/extend.texi: Add new format names gnu_* and ms_* and
5358         further details.
5359         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
5360
5361 2008-03-20  Ira Rosen  <irar@il.ibm.com>
5362
5363         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
5364         optimizations turned on under -O3.
5365         (ftree-vectorize): Add that the flag is turned on with -O3.
5366
5367 2008-03-20  Ben Elliston  <bje@au.ibm.com>
5368
5369         * regmove.c (try_auto_increment): Fix spelling error in comment.
5370         * final.c (final_scan_insn): Likewise.
5371
5372 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
5373
5374         PR target/14552
5375         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
5376         allocator preferences for "y" and "r" class registers.
5377         ("*mov<mode>_internal"): Ditto.
5378         ("*movv2sf_internal_rex64"): Ditto.
5379         ("*movv2sf_internal"): Ditto.
5380
5381 2008-03-19  Michael Matz  <matz@suse.de>
5382
5383         PR middle-end/35616
5384         * calls.c (expand_call): Check overlap of arguments with call
5385         address for sibcalls.
5386
5387 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
5388
5389         PR target/35496
5390         * stor-layout.c (update_alignment_for_field): Set minimum alignment
5391         of the underlying type of a MS bitfield layout to the natural
5392         alignment of the type.
5393
5394 2008-03-19  Jan Hubicka  <jh@suse.cz>
5395
5396         PR other/35094
5397         * toplev.c (decode_d_option): Handle all CPP flags.
5398         * tree-vrp.c: Update tree_pass descriptors.
5399         * regrename.c: Update tree_pass descriptors.
5400         * fwprop.c: Update tree_pass descriptors.
5401         * doc/invoke.texi: Remove documentation of dropped -d? flags.
5402         * tree-into-ssa.c: Update tree_pass descriptors.
5403         * tree-dump.c: Update tree_pass descriptors.
5404         * tree-complex.c: Update tree_pass descriptors.
5405         * tree-dump.h: Update tree_pass descriptors.
5406         * see.c: Update tree_pass descriptors.
5407         * cgraphbuild.c: Update tree_pass descriptors.
5408         * tracer.c: Update tree_pass descriptors.
5409         * tree-loop-distribution.c: Update tree_pass descriptors.
5410         * cgraph.c: Update tree_pass descriptors.
5411         * postreload-gcse.c: Update tree_pass descriptors.
5412         * postreload.c: Update tree_pass descriptors.
5413         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
5414         * tree-tailcall.c: Update tree_pass descriptors.
5415         * tree-pass.h (tree_opt_pass): Rename to ...
5416         (opt_pass) ... this one; add "type" field and remove letter field.
5417         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
5418         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
5419         all_lowering_passes): Update declaration.
5420         * ipa-cp.c: Update tree_pass descriptors.
5421         * final.c: Update tree_pass descriptors.
5422         * omp-low.c: Update tree_pass descriptors.
5423         * tree-ssa-dse.c: Update tree_pass descriptors.
5424         * ipa-reference.c: Update tree_pass descriptors.
5425         * tree-ssa-uncprop.c: Update tree_pass descriptors.
5426         * auto-inc-dec.c: Update tree_pass descriptors.
5427         * reorg.c: Update tree_pass descriptors.
5428         * cgraphunit.c: Update tree_pass descriptors.
5429         * tree-ssa-copyrename.c: Update tree_pass descriptors.
5430         * tree-ssa-ccp.c: Update tree_pass descriptors.
5431         * df-core.c: Update tree_pass descriptors.
5432         * mode-switching.c: Update tree_pass descriptors.
5433         * tree-nomudflap.c: Update tree_pass descriptors.
5434         * modulo-sched.c: Update tree_pass descriptors.
5435         * ipa-pure-const.c: Update tree_pass descriptors.
5436         * cse.c: Update tree_pass descriptors.
5437         * web.c: Update tree_pass descriptors.
5438         * tree-stdarg.c: Update tree_pass descriptors.
5439         * tree-ssa-math-opts.c: Update tree_pass descriptors.
5440         * tree-ssa-dom.c: Update tree_pass descriptors.
5441         * tree-nrv.c: Update tree_pass descriptors.
5442         * tree-ssa-alias.c: Update tree_pass descriptors.
5443         * loop-init.c: Update tree_pass descriptors.
5444         * gimple-low.c: Update tree_pass descriptors.
5445         * ipa-inline.c: Update tree_pass descriptors.
5446         * tree-ssa-sink.c: Update tree_pass descriptors.
5447         * global.c: Update tree_pass descriptors.
5448         * ifcvt.c: Update tree_pass descriptors.
5449         * jump.c: Update tree_pass descriptors.
5450         * predict.c: Update tree_pass descriptors.
5451         * tree-ssa-loop.c: Update tree_pass descriptors.
5452         * recog.c: Update tree_pass descriptors.
5453         * dse.c: Update tree_pass descriptors.
5454         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
5455         * tree-eh.c: Update tree_pass descriptors.
5456         * regmove.c: Update tree_pass descriptors.
5457         * local-alloc.c
5458         * function.c: Update tree_pass descriptors.
5459         * tree-vectorizer.c: Update tree_pass descriptors.
5460         * gcse.c: Update tree_pass descriptors.
5461         * ipa-type-escape.c: Update tree_pass descriptors.
5462         * tree-if-conv.c: Update tree_pass descriptors.
5463         * init-regs.c: Update tree_pass descriptors.
5464         * ipa.c: Update tree_pass descriptors.
5465         * tree-ssa-phiopt.c: Update tree_pass descriptors.
5466         * rtl-factoring.c: Update tree_pass descriptors.
5467         * lower-subreg.c: Update tree_pass descriptors.
5468         * bt-load.c: Update tree_pass descriptors.
5469         * tree-dfa.c: Update tree_pass descriptors.
5470         * except.c: Update tree_pass descriptors.
5471         * emit-rtl.c: Update tree_pass descriptors.
5472         * cfgexpand.c: Update tree_pass descriptors.
5473         * tree-cfgcleanup.c: Update tree_pass descriptors.
5474         * cfgcleanup.c: Update tree_pass descriptors.
5475         * tree-ssa-pre.c: Update tree_pass descriptors.
5476         * tree-sra.c: Update tree_pass descriptors.
5477         * tree-mudflap.c: Update tree_pass descriptors.
5478         * tree-ssa-copy.c: Update tree_pass descriptors.
5479         * cfglayout.c: Update tree_pass descriptors.
5480         * tree-ssa-forwprop.c: Update tree_pass descriptors.
5481         * tree-ssa-dce.c: Update tree_pass descriptors.
5482         * tree-ssa.c: Update tree_pass descriptors.
5483         * regclass.c: Update tree_pass descriptors.
5484         * integrate.c: Update tree_pass descriptors.
5485         * tree-optimize.c: Update tree_pass descriptors.
5486         * tree-ssa-phiprop.c: Update tree_pass descriptors.
5487         * tree-object-size.c: Update tree_pass descriptors.
5488         * combine.c: Update tree_pass descriptors.
5489         * tree-outof-ssa.c: Update tree_pass descriptors.
5490         * bb-reorder.c: Update tree_pass descriptors.
5491         * stack-ptr-mod.c: Update tree_pass descriptors.
5492         * var-tracking.c: Update tree_pass descriptors.
5493         * tree-profile.c: Update tree_pass descriptors.
5494         * tree-vect-generic.c: Update tree_pass descriptors.
5495         * reg-stack.c: Update tree_pass descriptors.
5496         * sched-rgn.c: Update tree_pass descriptors.
5497         * tree-ssa-structalias.c: Update tree_pass descriptors.
5498         * tree-cfg.c: Update tree_pass descriptors.
5499         * passes.c (current_pass): Update declaration.
5500         (finish_optimization_passes): Update.
5501         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
5502         (register_one_dump_file, register_dump_files_1, next_pass_1):
5503         Update arguments.
5504         (init_optimization_passes): Update handling of new types.
5505         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
5506         * ipa-struct-reorg.c: Update tree_pass descriptors.
5507         * tree-ssa-reassoc.c: Update tree_pass descriptors.
5508         * combine-stack-adj.c: Update tree_pass descriptors.
5509         * cfgrtl.c: Update tree_pass descriptors.
5510         * dce.c: Update tree_pass descriptors.
5511         * tree-ssanames.c: Update tree_pass descriptors.
5512
5513 2008-03-19  Richard Guenther  <rguenther@suse.de>
5514
5515         PR middle-end/35609
5516         * tree-ssa.c (walk_data): New structure.
5517         (warn_uninitialized_var): If not always_executed warn with "maybe"
5518         instead of "is".
5519         (execute_early_warn_uninitialized): Compute post-dominators.
5520         Initialize always_executed before processing each basic block.
5521
5522 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
5523
5524         PR target/35504
5525         * config/i386/i386.c (x86_this_parameter): Calculate correct location
5526         of "this" pointer when "regparm = N" or "fastcall" is in effect.
5527
5528 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5529
5530         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
5531
5532 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
5533
5534         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
5535         is true.
5536         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
5537         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
5538         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
5539         target after ignore has been set, and move there also the commputation
5540         of subtarget and original_target.
5541         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
5542         (LANG_HOOKS_INITIALIZER): Remove it.
5543         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
5544
5545 2008-03-18  Richard Guenther  <rguenther@suse.de>
5546
5547         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
5548         found an expression with constants, note that in the VN for the lhs.
5549         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
5550         fold them to constants if possible.  Run cleanup_cfg if done so.
5551         (execute_pre): Return todo.
5552         (do_pre): Likewise.
5553         (execute_fre): Likewise.
5554         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
5555         of constants.
5556         (get_prop_source_stmt): Look through pointer conversions.
5557
5558 2008-03-18  Jan Hubicka  <jh@suse.cz>
5559
5560         * tree-pretty-print.c: Include predict.h.
5561         (dump_generic_node): Dump predictor.
5562         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
5563         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
5564         * gimple-low.c (lower_stmt): Likewise.
5565         * expr.c (expand_expr_real): Likewise.
5566         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
5567         them.
5568         (build_predict_expr, build_predict_expr): New.
5569         * predict.h (predictor_name, build_predict_expr): Update.
5570         * c-typeck.c (c_finish_bc_stmt): Add prediction.
5571         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
5572         * predict.def (PRED_CONTINUE): Update hitrate.
5573         * tree.def (PREDICT_EXPR): Define.
5574         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
5575         do not handle BIND_EXPR.
5576         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
5577         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
5578         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
5579         operands.
5580
5581 2008-03-18  Michael Matz  <matz@suse.de>
5582
5583         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
5584
5585 2008-03-18  Richard Guenther  <rguenther@suse.de>
5586
5587         * tree-gimple.h (is_gimple_invariant_address): Declare.
5588         (is_gimple_constant): Likewise.
5589         * tree-gimple.c (is_gimple_constant): New function.
5590         (is_gimple_invariant_address): Likewise.
5591         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
5592         and is_gimple_invariant_address.
5593         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
5594         previous change.
5595         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
5596         an addressable base.
5597
5598 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
5599
5600         PR middle-end/35611
5601         * gimplify.c (gimplify_expr): Gimplify second operand of
5602         OMP_ATOMIC_LOAD.
5603
5604 2008-03-17  Richard Guenther  <rguenther@suse.de>
5605
5606         PR tree-optimization/19637
5607         * fold-const.c (fold_unary): Remove restrictions of removing
5608         intermediate pointer-conversions (P2)(P1)P0.
5609         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
5610         conversion to void pointer.
5611         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
5612
5613 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
5614
5615         PR debug/31510
5616         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
5617         emulated thread local variables.
5618
5619 2008-03-16  Richard Guenther  <rguenther@suse.de>
5620
5621         PR middle-end/35607
5622         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
5623         expand TREE_INVARIANT operations that are not gimple invariant.
5624
5625 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
5626
5627         * doc/extend.texi (Alignment): Say that the ABI controls
5628         the __alignof__ for non-strict-alignment targets rather
5629         than being a recommendation.
5630
5631 2008-03-15  Paul Brook  <paul@codesourcery.com>
5632
5633         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
5634         annotations.
5635         (arm_output_fn_unwind): Mark functions that can not be unwound.
5636
5637 2008-03-15  Paul Brook  <paul@codesourcery.com>
5638
5639         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
5640         extension instructions.
5641
5642 2008-03-15  Richard Guenther  <rguenther@suse.de>
5643
5644         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
5645         and fold constant aggregate refs.
5646         (fold_const_aggregate_ref): Handle string constants
5647         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
5648         (evaluate_stmt): Simplify now that ccp_fold folds constant
5649         aggregate refs.
5650
5651 2008-03-15  Paul Brook  <paul@codesourcery.com>
5652
5653         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
5654         (extzv): Use gen_extzv_t2.
5655         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
5656
5657 2008-03-15  Richard Guenther  <rguenther@suse.de>
5658
5659         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
5660         (fold_const_aggregate_ref): Likewise.
5661         (get_value): Return NULL if we don't have any values.
5662         (ccp_finalize): Set const_val to NULL after freeing it.
5663         * tree-flow.h (get_symbol_constant_value): Declare.
5664         (fold_const_aggregate_ref): Likewise.
5665         * tree-ssa-sccvn.c (try_to_simplify): Use them.
5666
5667 2008-03-15  Richard Guenther  <rguenther@suse.de>
5668
5669         PR middle-end/35593
5670         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
5671         to not produce negative array indices if not allowed.  Add
5672         parameter to indicate that.
5673         (maybe_fold_offset_to_component_ref): Allow negative array
5674         indices only for the first member of a structure.
5675         (maybe_fold_offset_to_reference): Allow negative array indices.
5676         (maybe_fold_stmt_addition): Likewise.
5677
5678 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
5679             Anatoly Sokolov <aesok@post.ru>
5680
5681         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
5682         (avr_arch): Add ARCH_AVR6.
5683         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
5684         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
5685         instead of fixed value 2.
5686         (print_operand_address): Use gs() asm specifier instead of pm().
5687         (avr_assemble_integer): (Ditto.).
5688         (avr_output_addr_vec_elt): (Ditto.).
5689         (print_operand): Handle "!" code.
5690         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
5691         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
5692         (AVR_HAVE_EIJMP_EICALL): Define.
5693         (AVR_3_BYTE_PC): Redefine.
5694         (AVR_2_BYTE_PC): (Ditto.).
5695         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
5696         (LINK_SPEC): Add atmega2560 and atmega2561.
5697         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
5698         (crtm2561.o).
5699         * config/avr/avr.md (call_insn): Use eicall instead of icall 
5700         for 3 byte PC devices.
5701         (call_value_insn): (Ditto.).
5702         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
5703         (indirect_jump): Use only for for 2 byte PC devices.
5704         (*tablejump): (Ditto.).
5705         (*indirect_jump_avr6): Add insn.
5706         (*tablejump_rjmp): Don't use for 3 byte PC devices.
5707         * config/avr/libgcc.S (__prologue_saves__): Use eijmp 
5708         instead of ijmp for 3 byte PC devices.
5709         (__tablejump2__): (Ditto.).
5710         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
5711         (MULITLIB_DIRNAMES): (Ditto.). 
5712         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
5713
5714 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
5715
5716         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
5717         "sse2_umulsidi3".  Use V1DI mode for operand 0.
5718         ("mmx_psadbw"): Use V1DI mode for operand 0.
5719         * config/i386/i386-modes.def (V1SI): New vector mode.
5720         * config/i386/i386.c (struct builtin_description)
5721         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
5722         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
5723         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
5724         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
5725         v1di_ftype_v8qi_v8qi type.
5726         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
5727
5728         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
5729         __builtin_ia32_pmuludq]: Fix the mode of return value.
5730
5731 2008-03-15  Richard Guenther  <rguenther@suse.de>
5732
5733         PR middle-end/35595
5734         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
5735         being a PHI_NODE.
5736
5737 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
5738         
5739         * doc/invoke.texi (Option Summary, Xtensa Options): Document
5740         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
5741         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
5742         unless TARGET_SERIALIZE_VOLATILE is enabled.
5743         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
5744         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
5745         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
5746
5747 2008-03-14  Richard Guenther  <rguenther@suse.de>
5748
5749         PR tree-optimization/34172
5750         * tree-flow.h (refs_may_alias_p): Declare.
5751         (get_single_def_stmt): Likewise.
5752         (get_single_def_stmt_from_phi): Likewise.
5753         (get_single_def_stmt_with_phi): Likewise.
5754         * tree-dfa.c (refs_may_alias_p): New function.
5755         (get_single_def_stmt): Likewise.
5756         (get_single_def_stmt_from_phi): Likewise.
5757         (get_single_def_stmt_with_phi): Likewise.
5758         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
5759         (vn_reference_lookup_1): New helper function.
5760         (vn_reference_lookup): Walk the virtual use-def chain to
5761         continue searching for a match if the def does not alias the
5762         reference we are looking for.
5763
5764 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
5765
5766         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
5767         archive and Perzl.  Update The Written Word listing.
5768
5769 2008-03-14  Richard Guenther  <rguenther@suse.de>
5770
5771         PR tree-optimization/34043
5772         PR tree-optimization/33989
5773         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
5774         when doing FRE.
5775         (bitmap_find_leader): Use extra argument to verify dominance
5776         relationship inside a basic-block.
5777         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
5778         (find_leader_in_sets): Adjust.
5779         (create_component_ref_by_pieces): Take extra argument for
5780         dominance check, handle lookup failures.
5781         (find_or_generate_expression): Likewise.
5782         (create_expression_by_pieces): Likewise.
5783         (insert_into_preds_of_block): Adjust.
5784         (create_value_expr_from): If asked for, verify all operands
5785         are in the blocks AVAIL_OUT set.
5786         (make_values_for_stmt): Check for SSA_NAMEs that are life
5787         over an abnormal edge.
5788         (compute_avail): Remove such check.
5789         (do_SCCVN_insertion): New function.
5790         (eliminate): If we do not find a leader suitable for replacement
5791         insert a replacement expression from SCCVN if available.
5792         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
5793         (struct vn_ssa_aux): Add needs_insertion flag.
5794         * tree-ssa-sccvn.c (may_insert): New global flag.
5795         (copy_reference_ops_from_ref): Value-number union member access
5796         based on its size, not type and member if insertion is allowed.
5797         (visit_reference_op_load): For a weak match from union type
5798         punning lookup a view-converted value and insert a SSA_NAME
5799         for that value if that is not found.
5800         (visit_use): Make dumps shorter.  Do not disallow value numbering
5801         SSA_NAMEs that are life over an abnormal edge to constants.
5802         (free_scc_vn): Release inserted SSA_NAMEs.
5803         (run_scc_vn): New flag to specify whether insertion is allowed.
5804         Process SSA_NAMEs in forward order.
5805         * tree-ssa-loop-im.c (for_each_index): Handle invariant
5806         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
5807         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
5808         pointer type to/from integral types that do not change the
5809         precision to regular conversions.
5810
5811 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
5812
5813         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
5814         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
5815         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
5816         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
5817         input arguments and the mode of return value.  Built-in functions
5818         that operate on whole 64-bit MMX register now use V1DI mode.
5819
5820 2008-03-13  Alon Dayan  <alond@il.ibm.com>
5821             Olga Golovanevsky  <olga@il.ibm.com>
5822
5823         PR tree-optimization/35041
5824         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
5825         to locate the right position in a statement.
5826
5827 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
5828
5829         PR target/34000
5830         PR target/35553
5831         * config/i386/xmmintrin.h:  Change all static inline functions to
5832         extern inline and add __gnu_inline__ attribute.
5833         * config/i386/bmintrin.h: Ditto.
5834         * config/i386/smmintrin.h: Ditto.
5835         * config/i386/tmmintrin.h: Ditto.
5836         * config/i386/mmintrin-common.h: Ditto.
5837         * config/i386/ammintrin.h: Ditto.
5838         * config/i386/emmintrin.h: Ditto.
5839         * config/i386/pmmintrin.h: Ditto.
5840         * config/i386/mmintrin.h: Ditto.
5841         * config/i386/mm3dnow.h: Ditto.
5842
5843 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
5844
5845         PR middle-end/35185
5846         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
5847         (lower_omp_2): New function.
5848         (lower_omp_1, lower_omp): Rewritten.
5849
5850 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
5851
5852         PR 35054
5853         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
5854         with the phrase "Microsoft Windows compilers".
5855         (Push/Pop Macro Pragmas): New subsection. Document
5856         #pragma push_macro and pragma pop_macro.
5857
5858 2008-03-12  Paul Brook  <paul@codesourcery.com>
5859
5860         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
5861
5862 2008-03-12  Paul Brook  <paul@codesourcery.com>
5863
5864         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
5865         (thumb2_alusi3_short): Exclude PLUS and MINUS.
5866         (thumb2_addsi_shortim): Rename ...
5867         (thumb2_addsi_short): ... to this.  Allow register operands.
5868         (thumb2_subsi_short): New pattern.
5869         (thumb2_one_cmplsi2_short,
5870         thumb2_negsi2_short): New patterns and peepholes.
5871
5872 2008-03-12  Paul Brook  <paul@codesourcery.com>
5873
5874         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
5875
5876 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
5877
5878         * config/i386/i386.md (int_cond): New code iterator.
5879         (fp_cond): Ditto.
5880         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
5881         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
5882         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
5883         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
5884         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
5885         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
5886         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
5887         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
5888
5889 2008-03-12  Paul Brook  <paul@codesourcery.com>
5890
5891         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
5892         instead of {arm,thumb}_compute_save_reg_mask.
5893         (output_return_instruction): Ditto.
5894         (thumb_unexpanded_epilogue): Ditto.
5895         (thumb1_expand_prologue): Ditto.
5896         (thumb1_output_function_prologue): Ditto.
5897         (arm_set_return_address): Ditto.
5898         (thumb_set_return_address): Ditto.
5899         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
5900         regs to achieve stack alignment.
5901         (thumb1_compute_save_reg_mask): Fix compiler warning.
5902         (arm_output_epilogue): Use offsets->saved_regs_mask.
5903         Adjust stack pointer by poping call clobered registers.
5904         (arm_expand_prologue): Use offsets->saved_regs_mask.
5905         Adjust stack pointer by pushing extra registers.
5906         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
5907
5908 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
5909
5910         PR tree-opt/35422
5911         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
5912         conversion to the operands of a multiplication.
5913
5914 2008-03-12  Richard Guenther  <rguenther@suse.de>
5915
5916         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
5917         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
5918         * timevar.def (TV_TREE_PHIPROP): Add.
5919         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
5920         pass description.  Use TV_TREE_PHIPROP.
5921         * tree-ssa-forwprop.c: Remove phiprop code.
5922
5923 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
5924
5925         PR middle-end/35549
5926         * omp-low.c (maybe_lookup_decl): Constify first argument.
5927         (use_pointer_for_field): Change last argument from bool to
5928         omp_context *.  Disallow shared copy-in/out in nested
5929         parallel if decl is shared in outer parallel too.
5930         (build_outer_var_ref, scan_sharing_clauses,
5931         lower_rec_input_clauses, lower_copyprivate_clauses,
5932         lower_send_clauses, lower_send_shared_vars): Adjust callers.
5933
5934 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
5935             Ira Rosen  <irar@il.ibm.com>
5936
5937         * tree-vectorizer.c (free_stmt_vec_info): New function.
5938         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
5939         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
5940         * tree-vectorizer.h (free_stmt_vec_info): Declare.
5941         * tree-vect-transform.c (vectorizable_conversion): Free
5942         vec_oprnds0 if it was allocated.
5943         (vect_permute_store_chain): Remove unused VECs.
5944         (vectorizable_store): Free VECs that are allocated in the..
5945         function.
5946         (vect_transform_strided_load, vectorizable_load): Likewise.
5947         (vect_remove_stores): Simplify the code.
5948         (vect_transform_loop): Move code to vect_remove_stores().
5949         Call vect_remove_stores() and free_stmt_vec_info().
5950
5951 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5952
5953         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
5954         TARGET_HPUX.  Revise comment.
5955         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
5956         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
5957         Use sr4 variant of `be' instruction when not generating PIC code.
5958         (attr_length_call): Adjust for above change.
5959
5960 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5961
5962         * ipa-reference.c (static_execute): Remove module_statics_const and
5963         associated setting code.
5964
5965 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
5966
5967         PR target/35540
5968         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
5969         predicate for operand 1.
5970         (paritysi2_cmp): Use register_operand predicate for operand 2.
5971         Use earlyclobber modifier for operand 1.  Remove support for
5972         memory operands.
5973         (paritydi2_cmp): Use register_operand predicate for operand 3.
5974         Use earlyclobber modifier for operand 1.  Remove support for
5975         memory operands.
5976
5977 2008-03-11  Paul Brook  <paul@codesourcery.com>
5978             Vladimir Prus  <vladimir@codesourcery.com>
5979
5980         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
5981         (arm_compute_save_reg0_reg12_mask): Always
5982         check if register 11 must be saved.  Always safe hard frame pointer
5983         when frame_pointer_needeed.
5984         (arm_compute_save_reg_mask): Save IP and PC
5985         only with apcs frames.
5986         (arm_output_epilogue): Adjust Thumb2 codepath to
5987         be also invoked and work for ARM non-apcs frames.
5988         (arm_expand_prologue): Don't bother saving IP
5989         for non-apcs frame, since it's not clobbered by
5990         prologue code.  Implement non-apcs frame
5991         layout.
5992
5993 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
5994
5995         PR rtl-optimization/35281
5996         * expr.c (convert_move): Use a new pseudo for the intermediate
5997         from_mode->word_mode result.
5998
5999 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
6000
6001         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
6002         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
6003         * toplev.c (compile_file): Don't call it.
6004
6005 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
6006
6007         PR middle-end/35526
6008         * expr.c (store_expr): Call emit_block_move if the mode
6009         of "temp" RTX is BLKmode.
6010
6011 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6012             Richard Guenther  <rguenther@suse.de>
6013
6014         PR tree-optimization/31358
6015         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
6016         the step with a NULL_TREE.
6017         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
6018         to sizetype if type is a pointer type.
6019         (add_candidate_1): Don't convert the base and step to
6020         the generic type if the orginal type is a pointer type.
6021         (add_iv_value_candidates): Use sizetype for the step
6022         if type is a pointer type.
6023         (cand_value_at): Likewise.
6024         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
6025         for pointer types.
6026         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
6027         Don't convert the tem affine to the type.
6028         (add_elt_to_tree): Use sizetype for the step if a pointer.
6029         Use POINTER_PLUS_EXPR for pointers.
6030         (aff_combination_to_tree): Use sizetype for the step if a
6031         pointer.
6032
6033 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
6034
6035         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
6036         Remove commutativity hint.
6037
6038 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
6039
6040         PR c/35438
6041         PR c/35439
6042         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
6043         errorneous type.  Check that v is a VAR_DECL.
6044
6045         PR middle-end/35099
6046         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
6047
6048 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
6049
6050         PR tree-optimization/35494
6051         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
6052         may be overriden at link and run time.
6053
6054 2008-03-10  Richard Guenther  <rguenther@suse.de>
6055
6056         PR tree-optimization/34677
6057         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
6058         (poolify_tree): Likewise.
6059         (modify_expr_template): Likewise.
6060         (poolify_modify_stmt): Likewise.
6061         (insert_fake_stores): Handle all component-ref style stores
6062         in addition to INDIRECT_REF.  Also handle complex types.
6063         Do not poolify the inserted load.
6064         (realify_fake_stores): Do not rebuild the tree but only
6065         make it a SSA_NAME copy.
6066         (init_pre): Remove initialzation of modify_expr_template.
6067         Do not allocate modify_expr_node_pool.
6068         (fini_pre): Do not free modify_expr_node_pool.
6069
6070 2008-03-10  Paul Brook  <paul@codesourcery.com>
6071
6072         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
6073         to avoid conflicts.
6074
6075 2008-03-10  Paul Brook  <paul@codesourcery.com>
6076             Mark Shinwell  <shinwell@codesourcery.com>
6077
6078         * config/arm/cortex-r4.md: New.
6079         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
6080         insn attributes.
6081         * config/arm/arm.md: Include cortex-r4.md.
6082         (insn): Add smmls, sdiv and udiv values.
6083         (generic_sched): Don't use generic scheduling for Cortex-R4.
6084         (arm_issue_rate): New function.
6085         (TARGET_SCHED_ISSUE_RATE): Define.
6086
6087 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
6088
6089         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
6090
6091 2008-03-10  Richard Guenther  <rguenther@suse.de>
6092
6093         * tree-ssa-pre.c (get_sccvn_value): Simplify.
6094         (compute_avail): Do not add stmt uses to AVAIL_OUT.
6095
6096 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
6097
6098         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
6099         Set default to true.
6100
6101 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6102
6103         * c.opt (Wsynth): Deprecate.
6104         * doc/invoke.texi (Option Summary, Warning Options): Document
6105         -Wno-format-contains-nul.
6106
6107 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
6108
6109         PR target/35496
6110         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
6111         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
6112
6113 2008-03-09  Ira Rosen  <irar@il.ibm.com>
6114
6115         * config/rs6000/rs6000.c (builtin_description): Rename vector
6116         left shift operations.
6117         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
6118         (altivec_vsl<VI_char>): Rename to ...
6119         (ashl<mode>3): ... new name.
6120         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
6121         gen_ashlv4si3.
6122         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
6123
6124 2008-03-08  Richard Guenther  <rguenther@suse.de>
6125
6126         * coverage.h (tree_coverage_counter_addr): Declare.
6127         * coverage.c (tree_coverage_counter_addr): New function.
6128         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
6129         before using again.
6130         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
6131         (tree_gen_one_value_profiler): Likewise.
6132         (tree_gen_ic_profiler): Likewise.
6133         (tree_gen_average_profiler): Likewise.
6134         (tree_gen_ior_profiler): Likewise.
6135
6136 2008-03-08  Richard Guenther  <rguenther@suse.de>
6137
6138         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
6139         (vn_binary_op_insert): Likewise.
6140         (vn_unary_op_lookup): Likewise.
6141         (vn_unary_op_insert): Likewise.
6142         (vn_nary_op_lookup): Declare.
6143         (vn_nary_op_insert): Likewise.
6144         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
6145         and binary hashes, use a single obstack for unary_op_pool
6146         and binary_op_pool.
6147         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
6148         a single struct vn_nary_op_s.  Store tree code length and
6149         a variable number of operands.
6150         (struct vn_reference_op_struct): Remove unused op2.
6151         (vn_reference_op_eq): Do not compare op2.
6152         (vn_reference_op_compute_hash): Do not compute hash of op2.
6153         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
6154         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
6155         with vn_nary_op_compute_hash.
6156         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
6157         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
6158         vn_nary_op_lookup.
6159         (vn_unary_op_insert, vn_binary_op_insert): Replace with
6160         vn_nary_op_insert.
6161         (visit_unary_op): Call nary functions.
6162         (visit_binary_op): Likewise.
6163         (process_scc): Adjust for struct vn_tables_s changes.
6164         (allocate_vn_table): Likewise.
6165         (free_vn_table): Likewise.
6166         * tree-vn.c (vn_add): Call nary functions.
6167         (vn_lookup): Likewise.
6168
6169 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
6170
6171         PR target/35498
6172         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
6173         wdst back after sync_compare_and_swapqhi_internal.
6174
6175 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
6176
6177         PR target/22152
6178         * config/i386/i386-modes.def (V1DI): New vector mode.
6179         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
6180         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
6181         (MMXMODE248): Ditto.
6182         (MMXMODE): Add V1DI mode.
6183         (mmxvecsize): Change DI mode to V1DI mode.
6184         ("mov<mode>): Use MMXMODEI8 mode iterator.
6185         ("*mov<mode>_internal_rex64"): Ditto.
6186         ("*mov<mode>_internal"): Ditto.
6187         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
6188         ("mmx_sub<mode>3"): Ditto.
6189         ("mmx_adddi3"): Remove insn pattern.
6190         ("mmx_subdi3"): Ditto.
6191         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
6192         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
6193         ("mmx_ashl<mode>3"): Ditto.
6194         ("mmx_lshrdi3"): Remove insn pattern.
6195         ("mmx_ashldi3"): Ditto.
6196         * config/i386/i386.c (classify_argument): Handle V1DImode.
6197         (function_arg_advance_32): Ditto.
6198         (function_arg_32): Ditto.
6199         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
6200         mmx_addv1di3 insn pattern.
6201         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
6202         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
6203         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
6204         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
6205         Remove definitions of built-in functions.
6206         (V1DI_type_node): New node.
6207         (v1di_ftype_v1di_int): Ditto.
6208         (v1di_ftype_v1di_v1di): Ditto.
6209         (v2si_ftype_v2si_si): Ditto.
6210         (v4hi_ftype_v4hi_di): Remove node.
6211         (v2si_ftype_v2si_di): Ditto.
6212         (ix86_init_mmx_sse_builtins): Handle V1DImode.
6213         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
6214         Redefine builtins using def_builtin_const with *_ftype_*_int node.
6215         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
6216         Add new builtins using def_builtin_const.
6217         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
6218         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
6219         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
6220         * config/i386/mmintrin.h (__v1di): New typedef.
6221         (_mm_add_si64): Cast arguments to __v1di type.
6222         (_mm_sub_si64): Ditto.
6223         (_mm_sll_pi16): Cast __count to __v4hi type.
6224         (_mm_sll_pi32): Cast __count to __v2si type.
6225         (_mm_sll_si64): Cast arguments to __v1di type.
6226         (_mm_srl_pi16): Cast __count to __v4hi type.
6227         (_mm_srl_pi32): Cast __count to __v2si type.
6228         (_mm_srl_si64): Cast arguments to __v1di type.
6229         (_mm_sra_pi16): Cast __count to __v4hi type.
6230         (_mm_sra_pi32): Cast __count to __v2si type.
6231         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
6232         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
6233         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
6234         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
6235         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
6236         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
6237         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
6238         (_mm_srai_pi32): Use __builtin_ia32_psradi.
6239         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
6240         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
6241         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
6242         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
6243
6244 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
6245
6246         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
6247
6248 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
6249
6250         PR target/35373
6251         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
6252         reg+const addressing for Altivec modes.  Don't generate reg+reg
6253         addressing for TFmode or TDmode quantities.
6254
6255 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
6256
6257         * c-common.c (vector_types_convertible_p): Call langhook
6258         instead of comptypes.
6259
6260 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6261
6262         PR tree-opt/35402
6263         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
6264         integral and scalar float variables which have a
6265         NULL DECL_INITIAL.
6266
6267 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
6268
6269         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
6270         dwarf_register_span hook when emitting unwind information for
6271         register-to-memory saves.
6272         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
6273         (rs6000_frame_related): Remove call to spe_synthesize_frame.
6274
6275 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
6276
6277         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
6278         for the same VAR_DECL.
6279
6280 2008-03-06  Tom Tromey  <tromey@redhat.com>
6281
6282         * treelang: Delete.
6283         * doc/standards.texi (Standards): Don't mention treelang.
6284         * doc/invoke.texi (Overall Options): Don't mention treelang.
6285         * doc/install.texi (Prerequisites): Don't mention bison or
6286         treelang.
6287         (Configuration): Don't mention treelang.
6288         (Building): Likewise.
6289         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
6290
6291 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
6292
6293         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
6294         word-extractions out of a multi-word object.
6295
6296 2008-03-06  Richard Guenther  <rguenther@suse.de>
6297
6298         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
6299         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
6300         result type and precision.
6301         * expr.c (get_inner_reference): Set unsignedp based on the result
6302         type of BIT_FIELD_REF.
6303         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
6304         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
6305         (try_instantiate_multiple_fields): Likewise.  Use the correct type
6306         for BIT_FIELD_REF.
6307         (sra_build_assignment): Likewise.
6308         (sra_build_elt_assignment): Likewise.
6309         (sra_explode_bitfield_assignment): Likewise.
6310         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
6311         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
6312         set BIT_FIELD_REF_UNSIGNED.
6313         (vectorizable_load): Likewise.
6314
6315 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6316
6317         * cse.c (cse_extended_basic_block): Invalidate artificial defs
6318         at bb start.
6319
6320 2008-03-06  Richard Guenther  <rguenther@suse.de>
6321
6322         * alias.c (struct alias_set_entry): Move has_zero_child field
6323         to pack with alias_set.
6324
6325 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
6326
6327         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
6328         32bit host.
6329
6330 2008-03-05  Ian Lance Taylor  <iant@google.com>
6331
6332         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
6333
6334 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
6335
6336         * fwprop.c (update_df): Support width and offset parameters of
6337         df_ref_create.
6338         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
6339         global_conflicts): Change DF_REF_EXTRACT to either
6340         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
6341         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
6342         * df-scan.c (df_ref_record, df_defs_record,
6343         df_ref_create_structure, df_def_record_1, df_uses_record,
6344         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
6345         df_bb_refs_collect, df_entry_block_defs_collect,
6346         df_exit_block_uses_collect): Support new width and offset fields.
6347         (ref_extract_pool): New storage pool.
6348         (df_free_ref): New function.
6349         (df_reg_chain_unlink, df_free_collection_rec,
6350         df_sort_and_compress_refs): Call df_free_ref.
6351         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
6352         of df_ref_extract.
6353         (df_ref_create_structure): Allocate df_ref_extract if offset and
6354         width fields are used.
6355         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
6356         (df_uses_record): Get offset and width from ZERO_EXTRACT 
6357         and SIGN_EXTRACT.
6358         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
6359         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
6360         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
6361         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
6362         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
6363         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
6364         (df_ref_extract): New structure.
6365         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
6366         (df_ref_create): Add width and offset parameters.
6367         
6368 2008-03-05  Richard Guenther  <rguenther@suse.de>
6369
6370         * tree-ssa-structalias.c (get_constraint_for_component_ref):
6371         Use ranges_overlap_p.
6372         (offset_overlaps_with_access): Rename
6373         to ranges_overlap_p and move ...
6374         * tree-flow-inline.h (ranges_overlap_p): ... here.
6375
6376         * tree.h (get_inner_reference, handled_component_p): Update
6377         comments.
6378
6379         * tree.h (record_component_aliases, get_alias_set,
6380         alias_sets_conflict_p, alias_sets_must_conflict_p,
6381         objects_must_conflict_p): Move declarations ...
6382         * alias.h (record_component_aliases, get_alias_set,
6383         alias_sets_conflict_p, alias_sets_must_conflict_p,
6384         objects_must_conflict_p): ... here.
6385         Include coretypes.h.
6386         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
6387
6388 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
6389
6390         * cfg.c: Include tree-flow.h.
6391         (remove_edge_raw): Call redirect_edge_var_map_clear.
6392         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
6393         * tree-flow-inline.h (redirect_edge_var_map_def): New.
6394         (redirect_edge_var_map_result): New.
6395         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
6396         PENDING_STMT use with redirect_edge_var_map_*.
6397         * tree-ssa.c (edge_var_maps): New definition.
6398         (redirect_edge_var_map_add): New.
6399         (redirect_edge_var_map_clear): New.
6400         (redirect_edge_var_map_dup): New.
6401         (redirect_edge_var_map_vector): New.
6402         (redirect_edge_var_map_destroy): New.
6403         (ssa_redirect_edge): Replace PENDING_STMT use with
6404         redirect_edge_var_map_*.
6405         (flush_pending_stmts): Same.
6406         (delete_tree_ssa): Destroy edge var map.
6407         * tree-flow.h (struct _edge_var_map): New.
6408         Define edge_var_map vector type.
6409         Declare redirect_edge_var_map_* prototypes.
6410         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
6411         * tree-cfg.c (reinstall_phi_args): Replace
6412         PENDING_STMT use with redirect_edge_var_map_*.
6413
6414 2008-03-05  Richard Guenther  <rguenther@suse.de>
6415
6416         PR tree-optimization/35472
6417         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
6418         whose single use_stmt has a overlapping set of loaded and
6419         stored symbols as that use_stmt might be a noop assignment then.
6420
6421 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
6422
6423         * gthr-rtems.h: Implement __gthread_mutex_destroy.
6424
6425 2008-03-05  Richard Guenther  <rguenther@suse.de>
6426
6427         PR c++/35336
6428         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
6429         should be constants.
6430         * tree-cfg.c (verify_expr): Verify it.
6431         * fold-const.c (fold_truthop): Remove code generating
6432         BIT_FIELD_REFs of structure bases.
6433         (fold_binary): Likewise.
6434         (fold_ternary): Position and size of BIT_FIELD_REFs are
6435         always host integers.
6436         (make_bit_field_ref): Remove.
6437         (optimize_bit_field_compare): Remove.
6438         (all_ones_mask_p): Remove.
6439
6440 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
6441
6442         PR gcc/33009
6443         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
6444         (split_block_and_df_analyze): New. Split basic block and rebuild
6445         dataflow.
6446         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
6447         SPLIT_BLOCK.
6448         (split_pattern_seq): Likewise.
6449         (erase_matching_seqs): Likewise.
6450         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
6451
6452 2008-03-04  Geoff Keating  <geoffk@apple.com>
6453
6454         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
6455         declaration and code.
6456         (tree_invalid_nonnegative_warnv_p): Likewise.
6457
6458 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
6459
6460         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
6461         examples.  Truncate option-names then causing overfull hbox.
6462
6463 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6464
6465         PR target/35222
6466         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
6467         on hpux10.
6468         * configure: Rebuilt.
6469
6470 2008-03-04  Rafael Espindola  <espindola@google.com>
6471
6472         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
6473         (tree_unary_nonnegative_warnv_p): New.
6474         (tree_binary_nonnegative_warnv_p): New.
6475         (tree_single_nonnegative_warnv_p): New.
6476         (tree_invalid_nonnegative_warnv_p): New.
6477         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
6478
6479 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6480
6481         PR 28322
6482         * opts.c (handle_option): Postpone 'unknown option' errors only for
6483         warning options.
6484
6485 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
6486
6487         PR target/35453
6488         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
6489         (_SIDD_XXX): This.
6490
6491 2008-03-04  Rafael Espindola  <espindola@google.com>
6492
6493         * fold-const.c (tree_unary_nonzero_warnv_p): New.
6494         (tree_binary_nonzero_warnv_p): New.
6495         (tree_single_nonzero_warnv_p): New.
6496         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
6497
6498 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
6499
6500         PR middle-end/35456
6501         * fold-const.c (fold_cond_expr_with_comparison): Prevent
6502         transformations for modes that have signed zeros.
6503         * ifcvt.c (noce_try_abs): Ditto.
6504
6505 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
6506
6507         * config/i386/i386.c (override_options): Force
6508         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
6509
6510 2008-03-04  Jan Hubicka  <jh@suse.cz>
6511
6512         PR c++/35262
6513         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
6514         in last commit.
6515
6516 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
6517
6518         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
6519         label to probe the stack.
6520
6521 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
6522
6523         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
6524         (__gthr_win32_mutex_destroy): Declare.
6525         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
6526         __gthr_win32_mutex_destroy.
6527         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
6528
6529 2008-03-03  Jan Hubicka  <jh@suse.cz>
6530
6531         PR c++/35262
6532         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
6533         aggressive on inlining cold calls.
6534
6535 2008-03-03  Richard Guenther  <rguenther@suse.de>
6536
6537         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
6538         struct copies into the expression table.
6539         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
6540         (try_to_simplify): Likewise.
6541         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
6542         integral and pointer arguments which do not change the
6543         precision to NOP_EXPRs.
6544         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
6545         VIEW_CONVERT_EXPR case.
6546
6547 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
6548
6549         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
6550         defined in a loop at depth 0 is invariant.
6551         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
6552         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
6553         be called at loop depth 0.
6554
6555 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
6556
6557         PR driver/35420
6558         * gcc.c (process_command): Update copyright notice dates.
6559         * gcov.c (print_version): Likewise.
6560         * gcov-dump.c (print_version): Likewise.
6561         * mips-tfile.c (main): Likewise.
6562         * mips-tdump.c (main): Likewise.
6563
6564 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6565
6566         PR 24924
6567         * c-common.c (flag_permissive): Delete.
6568         (constant_expression_warnings): Check flags first.
6569         (constant_expression_error): New.
6570         * c-common.h (flag_permissive): Delete.
6571         (constant_expression_error): Declare.
6572         * flags.h (flag_permissive): Declare. Update description.
6573         * diagnostic.c (pedwarn): Update.
6574         (permerror): New.
6575         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
6576         (permissive_error_kind): New.
6577         * toplev.c (flag_permissive): Define. Update description.
6578         * toplev.h (permissive_error_kind): Declare.
6579         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
6580         (pedwarn_c90): Use pedantic_warning_kind.
6581         * c-opts.c (c_common_post_options): flag_permissive does not affect
6582         flag_pedantic_errors.
6583
6584 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
6585
6586         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
6587         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
6588         __absvsi2, __absvDI2): Use unsigned arithmetic.
6589
6590 2008-03-02  Andi Kleen  <ak@suse.de>
6591             Richard Guenther  <rguenther@suse.de>
6592
6593         * struct-equiv.c: Remove file.
6594         * cfg_cleanup.c (condjump_equiv_p): Remove.
6595         * Makefile.in (OBJS-common): Remove struct-equiv.o.
6596         (struct-equiv.o): Remove rule.
6597         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
6598         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
6599         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
6600
6601 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6602
6603         * ifcvt.c (noce_process_if_block): Try to handle only the then
6604         block if the else block exists but isn't suitable.
6605
6606 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
6607
6608         PR gcc/35063
6609         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
6610         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
6611         regression from previous patch.
6612
6613 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
6614
6615         PR gcc/35063
6616         * gthr.h: Add __gthread_mutex_destroy as a function that must be
6617         implemented.
6618         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
6619         * gthr-single.h (__gthread_mutex_destroy): Likewise.
6620         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
6621         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
6622         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
6623         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
6624         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
6625         (__gthread_mutex_destroy_function): Rename to
6626         __gthread_mutex_destroy.
6627         * gthr-dce.h (__gthread_mutex_destroy): Call
6628         pthread_mutex_destroy.
6629         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
6630         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
6631         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
6632
6633 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6634
6635         * df-scan.c (df_ref_chain_change_bb): Simplify.
6636         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
6637         set_block_for_insn if there's any change.
6638         * df.h ((df_insn_change_bb): Fix prototype.
6639         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
6640         df_insn_change_bb, don't call set_block_for_insn.
6641         * emit-rtl.c (reorder_insns): Likewise.
6642         * haifa-sched.c (move_insn): Likewise.
6643
6644 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6645
6646         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
6647
6648 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6649
6650         * tree-flow-inline.h (next_readonly_imm_use): Return
6651         NULL_USE_OPERAND_P after the end.
6652
6653 2008-03-01  Richard Guenther  <rguenther@suse.de>
6654
6655         PR tree-optimization/35411
6656         * tree-sra.c (sra_build_assignment): Split conversion to
6657         final type to a separate statement if we are not assigning
6658         to a register.
6659
6660 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
6661
6662         * fold-const.c (fold_convertible_p): Correct the logic to follow
6663         that in fold_convert().
6664
6665 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
6666
6667         PR c++/35315
6668         * tree-inline.c (build_duplicate_type): When we make a
6669         duplicate type, make it unique in the canonical types system.
6670
6671 2008-02-29  Tom Tromey  <tromey@redhat.com>
6672
6673         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
6674         input_file_stack_history, input_file_stack_restored): Remove.
6675         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
6676         * input.h (struct file_stack): Remove.
6677         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
6678         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
6679         Likewise.
6680         * diagnostic.h (struct diagnostic_context) <last_module>: Change
6681         type.
6682         (diagnostic_last_module_changed): Add 'map' argument.
6683         (diagnostic_set_last_function): Likewise.
6684         * diagnostic.c (undiagnostic_report_current_module): Iterate using
6685         line map, not input_file_stack.
6686         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
6687
6688 2008-02-29  Paul Brook  <paul@codesourcery.com>
6689
6690         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
6691
6692 2008-02-29  Paul Brook  <paul@codesourcery.com>
6693
6694         * config/arm/ieee754-df.S (muldf3): Use RET macros.
6695
6696 2008-02-29  Richard Guenther  <rguenther@suse.de>
6697
6698         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
6699         vn_lookup_or_add.
6700         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
6701         value for comparing for a store match.
6702         (simplify_unary_expression): Do nothing for SSA_NAMEs.
6703         (try_to_simplify): Do not do a full-blown reference lookup.
6704
6705 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
6706
6707         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
6708         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6709
6710         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
6711
6712 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
6713
6714         * tree-loop-linear.c (try_interchange_loops): Compare memory access
6715         strides against cache sizes.
6716
6717 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
6718
6719         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
6720         constant to fpul.
6721
6722 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
6723
6724         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
6725         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
6726         is smaller than the original promoted value.
6727         (simplify_subreg): If OP is a SUBREG, try to preserve its
6728         SUBREG_PROMOTED_VAR_P information.
6729
6730 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
6731
6732         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
6733         (VN_INFO_GET): Allocate new objects on the obstack.
6734         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
6735         for rpo_numbers_temp, for consistency.
6736         (free_scc_vn): Free the obstack.
6737
6738 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
6739
6740         * doc/invoke.texi: Document -ftree-loop-distribution.
6741         * tree-loop-distribution.c: New.
6742         * tree-pass.h (pass_loop_distribution): New.
6743         * graphds.h (struct graph): Add htab_t indices.
6744         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6745         * tree-vectorizer.c (rename_variables_in_loop): Extern.
6746         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
6747         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
6748         * tree-data-ref.c (debug_data_dependence_relations): New.
6749         (dump_data_dependence_relation): Also print data references.
6750         (free_data_ref): Extern.
6751         (same_access_functions): Moved...
6752         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
6753         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6754         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
6755         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
6756         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
6757         (stmts_from_loop): Skip LABEL_EXPR.
6758         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
6759         New.
6760         (build_rdg): Initialize rdg->indices htab.
6761         (free_rdg, stores_from_loop, ref_base_address,
6762         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
6763         have_similar_memory_accesses_1, ref_base_address_1,
6764         remove_similar_memory_refs): New.
6765         * tree-data-ref.h: Depend on tree-chrec.h.
6766         (debug_data_dependence_relations, free_data_ref): Declared.
6767         (same_access_functions): ... here.
6768         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
6769         New.
6770         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
6771         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
6772         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
6773         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6774         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
6775         rdg_vertex_for_stmt): Declared.
6776         (struct rdg_edge): Add level.
6777         (RDGE_LEVEL): New.
6778         (free_rdg, stores_from_loop, remove_similar_memory_refs,
6779         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
6780         Declared.
6781         (rdg_has_similar_memory_accesses): New.
6782         * tree-vect-analyze.c: Remove unused static decls.
6783         * lambda.h (dependence_level): New.
6784         * common.opt (ftree-loop-distribution): New.
6785         * tree-flow.h (mark_virtual_ops_in_bb, 
6786         slpeel_tree_duplicate_loop_to_edge_cfg,
6787         rename_variables_in_loop): Declared.
6788         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
6789         (OBJS-common): Add tree-loop-distribution.o.
6790         (tree-loop-distribution.o): New rule.
6791         * tree-cfg.c (mark_virtual_ops_in_bb): New.
6792         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
6793         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
6794
6795 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
6796
6797         PR target/33963
6798         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
6799         other than structures and unions.
6800
6801 2008-02-28  Richard Guenther  <rguenther@suse.de>
6802
6803         Revert:
6804         2008-02-26  Richard Guenther  <rguenther@suse.de>
6805
6806         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
6807         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
6808         (lookup_decl_from_uid): Declare.
6809         (remove_decl_from_map): Likewise.
6810         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
6811         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
6812         (decl_for_uid_map): New global hashtable mapping DECL_UID
6813         to the decl tree.
6814         (init_ttree): Allocate it.
6815         (insert_decl_to_uid_decl_map): New helper function.
6816         (make_node_stat): Insert new decls into the map.
6817         (copy_node_stat): Likewise.
6818         (lookup_decl_from_uid): New function.
6819         (remove_decl_from_map): Likewise.
6820         (print_decl_for_uid_map_statistics): New helper.
6821         (dump_tree_statistics): Call it.
6822
6823         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
6824         (referenced_var_iterator): Adjust.
6825         (FOR_EACH_REFERENCED_VAR): Adjust.
6826         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
6827         (num_referenced_vars): Adjust.
6828         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
6829         (first_referenced_var): Remove.
6830         (end_referenced_vars_p): Likewise.
6831         (next_referenced_var): Likewise.
6832         (referenced_var_iterator_set): New helper function.
6833         * tree-dfa.c (referenced_var_lookup): Adjust.
6834         (referenced_var_check_and_insert): Likewise.
6835         (remove_referenced_var): Likewise.
6836         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
6837         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
6838         (verify_call_clobbering): Likewise.
6839         (verify_memory_partitions): Likewise.
6840         (init_tree_ssa): Allocate bitmap instead of hashtable for
6841         referenced_vars.
6842         (delete_tree_ssa): Adjust.
6843         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
6844         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
6845         (compute_tag_properties): Likewise.
6846         (set_initial_properties): Likewise.
6847         (find_partition_for): Likewise.
6848         (update_reference_counts): Likewise.
6849         (dump_may_aliases_for): Likewise.
6850         * tree-ssa-operands.c (add_virtual_operand): Likewise.
6851         (add_call_clobber_ops): Likewise.
6852         (add_call_read_ops): Likewise.
6853         (get_asm_expr_operands): Likewise.
6854         * tree-into-ssa.c (dump_decl_set): Likewise.
6855         (update_ssa): Likewise.
6856         * tree-sra.c (scan_function): Likewise.
6857         (decide_instantiations): Likewise.
6858         (scalarize_parms): Likewise.
6859         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
6860         (dsa_named_for): Likewise.
6861         * tree-ssa-structalias.c (update_alias_info): Likewise.
6862         (merge_smts_into): Likewise.
6863
6864 2008-02-27  David Daney  <ddaney@avtrex.com>
6865
6866         PR target/34409
6867         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
6868         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
6869         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
6870         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
6871         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
6872
6873 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
6874
6875         PR target/25477
6876         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
6877         (BUILT_IN_NEXTTOWARD): Remove.
6878         (BUILT_IN_NEXTTOWARDF): Ditto.
6879         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
6880         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
6881
6882 2008-02-27  Tom Tromey  <tromey@redhat.com>
6883
6884         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
6885         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
6886
6887 2008-02-27  Jan Beulich  <jbeulich@novell.com>
6888
6889         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
6890         update the respective field on newdecl.
6891
6892 2008-02-27  Revital Eres  <eres@il.ibm.com>
6893
6894         PR rtl-optimization/34999
6895         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
6896         crossing edges that ends with a call insn.
6897         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
6898         call insn and clear the EDGE_CROSSING flag of the crossing edge
6899         when fixing fallthru edges.
6900
6901 2008-02-27  Richard Guenther  <rguenther@suse.de>
6902
6903         PR middle-end/35390
6904         * fold-const.c (fold_unary): Return the correct argument,
6905         converted to the result type.
6906
6907 2008-02-27  Richard Guenther  <rguenther@suse.de>
6908
6909         PR middle-end/34971
6910         * expr.c (expand_expr_real_1): Assert on rotates that operate
6911         on partial modes.
6912         * fold-const.c (fold_binary): Use the types precision, not the
6913         bitsize of the mode if folding rotate expressions.  Build rotates
6914         only for full modes.
6915
6916 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
6917
6918         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
6919         and CPP_PRAGMA_EOL.
6920         * c-pragma.c (pragma_ns_name): New typedef.
6921         (registered_pp_pragmas): New variable.
6922         (c_pp_lookup_pragma): New function.
6923         (c_register_pragma_1): If flag_preprocess_only, do nothing
6924         for non-expanded pragmas, for expanded ones push pragma's
6925         namespace and name into registered_pp_pragmas vector.
6926         (c_invoke_pragma_handler): Register OpenMP pragmas even when
6927         flag_preprocess_only, don't register GCC pch_preprocess
6928         pragma if flag_preprocess_only.
6929         * c-opts.c (c_common_init): Call init_pragma even if
6930         flag_preprocess_only.
6931         * c-pragma.c (c_pp_lookup_pragma): New prototype.
6932         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
6933         cpp_register_pragma if flag_preprocess_only.
6934
6935 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6936
6937         PR c/28800
6938         * c-parser.c (c_parser_translation_unit): Warn for empty
6939         translation unit, not empty source file.
6940
6941 2008-02-26  Paul Brook  <paul@codesourcery.com>
6942
6943         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
6944         operand for Thumb-2.
6945         * config/arm/arm.h (reg_class): Add CORE_REGS.
6946         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
6947         (BASE_REG_CLASS): Use CORE_REGS.
6948         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
6949         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
6950         (REGNO_OK_FOR_INDEX_P): Exclude SP.
6951         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
6952         ARM_REGNO_OK_FOR_INDEX_P.
6953         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
6954         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
6955         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
6956         (ldm/stm peepholes): Ditto.
6957         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
6958         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
6959         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
6960         * config/arm/constraints.md: Enable "k" constraint on ARM.
6961
6962 2008-02-27  Ben Elliston  <bje@au.ibm.com>
6963
6964         * config/rs6000/rs6000.c: Annotate cache line size field in all
6965         instances of struct processor_costs.
6966
6967 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
6968
6969         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
6970         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
6971         jump_bypass): New counters.
6972         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
6973         * dce.c (gate_ud_dce): Same.
6974         (gate_fast_dce): Same.
6975         * dse.c (gate_dse1): New function.
6976         (gate_dse2): New function.
6977         (gate_dse): Merge results of new gate functions.
6978         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
6979         (gate_handle_jump_bypass): Add dbg_cnt.
6980         (gate_handle_gcse): Add dbg_cnt.
6981         * ifcvt.c (gate_handle_if_conversion): Same.
6982         (gate_handle_if_after_combine): Same.
6983         (gate_handle_if_after_reload): Same.
6984         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
6985
6986 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
6987
6988         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
6989         line sizes.
6990         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
6991
6992 2008-02-26  Jason Merrill  <jason@redhat.com>
6993
6994         PR c++/35315
6995         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
6996         alone if it's the naming decl for the type's main variant.
6997
6998 2008-02-26  Tom Tromey  <tromey@redhat.com>
6999
7000         * system.h (USE_MAPPED_LOCATION): Poison.
7001         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
7002         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
7003         (make_goto_expr_edges): Likewise.
7004         (remove_bb): Likewise.
7005         (execute_warn_function_return): Likewise.
7006         * basic-block.h (struct edge_def) <goto_locus>: Change type to
7007         location_t.
7008         * c-common.c (fname_decl): Remove old location code.
7009         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
7010         location code.
7011         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
7012         variant.
7013         (ASM_INPUT_SOURCE_LOCATION): Likewise.
7014         (gen_rtx_ASM_INPUT): Likewise.
7015         (gen_rtx_ASM_INPUT_loc): Likewise.
7016         (get_rtx_asm_OPERANDS): Remove.
7017         * cfglayout.c (insn_locators_alloc): Remove old location code.
7018         (set_curr_insn_source_location): Likewise.
7019         (curr_insn_locator): Likewise.
7020         * print-tree.c (print_node): Remove old location code.
7021         * tree-mudflap.c (mf_varname_tree): Remove old location code.
7022         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
7023         * cfgexpand.c (expand_gimple_cond_expr): Don't use
7024         location_from_locus.
7025         (construct_exit_block): Remove old location code.
7026         * emit-rtl.c (force_next_line_note): Remove old location code.
7027         * profile.c (branch_prob): Remove old location code.
7028         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
7029         LOC_LINE): Remove old-location variants.
7030         * langhooks.c (lhd_print_error_function): Remove old location
7031         code.
7032         * configure, config.in: Rebuilt.
7033         * configure.ac (--enable-mapped-location): Remove.
7034         * c-decl.c (c_init_decl_processing): Remove old location code.
7035         (finish_function): Likewise.
7036         * recog.c (decode_asm_operands): Remove old location code.
7037         * c-pch.c (c_common_read_pch): Remove old location code.
7038         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
7039         variants.
7040         * gimple-low.c (lower_function_body): Remove old location code.
7041         * toplev.c (unknown_location): Remove.
7042         (push_srcloc): Remove old-location variant.
7043         (process_options): Remove old location code.
7044         (lang_dependent_init): Likewise.
7045         * input.h (UNKNOWN_LOCATION): Move definition.
7046         (location_t): Undeprecate.
7047         (source_locus): Remove.
7048         (location_from_locus): Remove.
7049         (struct location_s): Remove.
7050         Remove all old-location code.
7051         (input_line, input_filename): Remove.
7052         * final.c (final_scan_insn): Remove old location code.
7053         * diagnostic.c (diagnostic_build_prefix): Remove
7054         USE_MAPPED_LOCATION test.
7055         * tree.h (gimple_stmt) <locus>: Now a location_t.
7056         (tree_exp) <locus>: Likewise.
7057         (DECL_IS_BUILTIN): Remove old-location variant.
7058         (annotate_with_file_line, annotate_with_locus): Likewise.
7059         (expr_locus, set_expr_locus): Update.
7060         * tree.c (build1_stat): Remove old location code.
7061         (last_annotated_node): Remove.
7062         (annotate_with_file_line): Remove old-location variant.
7063         (annotate_with_locus): Likewise.
7064         (expr_location): Remove old location code.
7065         (set_expr_location): Likewise.
7066         (expr_has_location): Likewise.
7067         (expr_locus): Likewise.
7068         (set_expr_locus): Likewise.
7069         (expr_filename): Don't use location_from_locus.
7070         (expr_lineno): Likewise.
7071         * rtl-error.c (location_for_asm): Remove old location code.
7072         * c-lex.c (cb_line_change): Remove old location code.
7073         (fe_file_change): Likewise.
7074         (cb_def_pragma): Likewise.
7075         (c_lex_with_flags): Likewise.
7076         * gengtype.c (do_typedef): Don't special-case location types.
7077         (define_location_structures): Remove.
7078         (main): Don't call define_location_structures.
7079         * tree-pretty-print.c (dump_implicit_edges): Remove old location
7080         code.
7081
7082 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7083
7084         PR 26264
7085         * builtins.def (BUILT_IN_STDARG_START): Remove.
7086         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
7087         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
7088         * tree-inline.c (inline_forbidden_p_1): Likewise.
7089         
7090 2008-02-26  Richard Guenther  <rguenther@suse.de>
7091
7092         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7093         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7094         (lookup_decl_from_uid): Declare.
7095         (remove_decl_from_map): Likewise.
7096         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7097         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7098         (decl_for_uid_map): New global hashtable mapping DECL_UID
7099         to the decl tree.
7100         (init_ttree): Allocate it.
7101         (insert_decl_to_uid_decl_map): New helper function.
7102         (make_node_stat): Insert new decls into the map.
7103         (copy_node_stat): Likewise.
7104         (lookup_decl_from_uid): New function.
7105         (remove_decl_from_map): Likewise.
7106         (print_decl_for_uid_map_statistics): New helper.
7107         (dump_tree_statistics): Call it.
7108
7109         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7110         (referenced_var_iterator): Adjust.
7111         (FOR_EACH_REFERENCED_VAR): Adjust.
7112         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7113         (num_referenced_vars): Adjust.
7114         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7115         (first_referenced_var): Remove.
7116         (end_referenced_vars_p): Likewise.
7117         (next_referenced_var): Likewise.
7118         (referenced_var_iterator_set): New helper function.
7119         * tree-dfa.c (referenced_var_lookup): Adjust.
7120         (referenced_var_check_and_insert): Likewise.
7121         (remove_referenced_var): Likewise.
7122         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7123         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7124         (verify_call_clobbering): Likewise.
7125         (verify_memory_partitions): Likewise.
7126         (init_tree_ssa): Allocate bitmap instead of hashtable for
7127         referenced_vars.
7128         (delete_tree_ssa): Adjust.
7129         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7130         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7131         (compute_tag_properties): Likewise.
7132         (set_initial_properties): Likewise.
7133         (find_partition_for): Likewise.
7134         (update_reference_counts): Likewise.
7135         (dump_may_aliases_for): Likewise.
7136         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7137         (add_call_clobber_ops): Likewise.
7138         (add_call_read_ops): Likewise.
7139         (get_asm_expr_operands): Likewise.
7140         * tree-into-ssa.c (dump_decl_set): Likewise.
7141         (update_ssa): Likewise.
7142         * tree-sra.c (scan_function): Likewise.
7143         (decide_instantiations): Likewise.
7144         (scalarize_parms): Likewise.
7145         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7146         (dsa_named_for): Likewise.
7147         * tree-ssa-structalias.c (update_alias_info): Likewise.
7148         (merge_smts_into): Likewise.
7149
7150 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7151
7152         PR 34351
7153         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
7154         * c-opts.c (c_common_handle_option): Wall enables
7155         Wvolatile-register-var.
7156         * common.opt: Move Wvolatile-register-var to...
7157         * c.opt: ...here.
7158         
7159 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7160
7161         * common.opt (Wlarger-than=): New.
7162         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
7163         -Wlarger-than=.
7164         * opts.c (common_handle_option): Handle -Wlarger-than=.
7165         * optc-gen.awk: Likewise.
7166         * opth-gen.awk: Likewise.
7167         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
7168         * tree-optimize.c (tree_rest_of_compilation): Likewise.
7169         
7170 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7171
7172         * c-common.c (match_case_to_enum_1): Add appropriate
7173         OPT_W* parameter to warning.
7174         (c_do_switch_warnings): Likewise.
7175         * c-typeck.c (warning_init): Add one more parameter following
7176         'warning' function.
7177         (push_init_level): Update call to warning_init.
7178         (pop_init_level): Likewise.
7179         (add_pending_init): Likewise.
7180         (output_init_element: Likewise.
7181
7182 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7183
7184         PR 28322
7185         * toplev.c (toplev_main): If there are warnings or error, print
7186         errors for ignored options.
7187         * opts.c (ignored_options): New static variable.
7188         (postpone_unknown_option_error): New.
7189         (print_ignored_options): New.
7190         (handle_option): Postpone errors for unknown -Wno-* options.
7191         * opts.h (print_ignored_options): Declare.
7192         
7193 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
7194
7195         * config/mips/mips.md (loadgp_blockage, blockage): Change type
7196         to "ghost".
7197
7198 2008-02-25  Richard Guenther  <rguenther@suse.de>
7199
7200         Revert:
7201         2008-02-25  Richard Guenther  <rguenther@suse.de>
7202
7203         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7204         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7205         (lookup_decl_from_uid): Declare.
7206         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7207         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7208         (decl_for_uid_map): New global hashtable mapping DECL_UID
7209         to the decl tree.
7210         (init_ttree): Allocate it.
7211         (insert_decl_to_uid_decl_map): New helper function.
7212         (make_node_stat): Insert new decls into the map.
7213         (copy_node_stat): Likewise.
7214         (lookup_decl_from_uid): New function.
7215         (print_decl_for_uid_map_statistics): New helper.
7216         (dump_tree_statistics): Call it.
7217
7218         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7219         (referenced_var_iterator): Adjust.
7220         (FOR_EACH_REFERENCED_VAR): Adjust.
7221         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7222         (num_referenced_vars): Adjust.
7223         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7224         (first_referenced_var): Remove.
7225         (end_referenced_vars_p): Likewise.
7226         (next_referenced_var): Likewise.
7227         (referenced_var_iterator_set): New helper function.
7228         * tree-dfa.c (referenced_var_lookup): Adjust.
7229         (referenced_var_check_and_insert): Likewise.
7230         (remove_referenced_var): Likewise.
7231         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7232         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7233         (verify_call_clobbering): Likewise.
7234         (verify_memory_partitions): Likewise.
7235         (init_tree_ssa): Allocate bitmap instead of hashtable for
7236         referenced_vars.
7237         (delete_tree_ssa): Adjust.
7238         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7239         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7240         (compute_tag_properties): Likewise.
7241         (set_initial_properties): Likewise.
7242         (find_partition_for): Likewise.
7243         (update_reference_counts): Likewise.
7244         (dump_may_aliases_for): Likewise.
7245         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7246         (add_call_clobber_ops): Likewise.
7247         (add_call_read_ops): Likewise.
7248         (get_asm_expr_operands): Likewise.
7249         * tree-into-ssa.c (dump_decl_set): Likewise.
7250         (update_ssa): Likewise.
7251         * tree-sra.c (scan_function): Likewise.
7252         (decide_instantiations): Likewise.
7253         (scalarize_parms): Likewise.
7254         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7255         (dsa_named_for): Likewise.
7256         * tree-ssa-structalias.c (update_alias_info): Likewise.
7257         (merge_smts_into): Likewise.
7258
7259 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
7260
7261         PR fortran/29549
7262         * doc/invoke.texi (-fcx-limited-range): Document new option.
7263         * toplev.c (process_options): Handle -fcx-fortran-rules.
7264         * common.opt: Add documentation for -fcx-fortran-rules.
7265
7266 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
7267
7268         PR c/35162
7269         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
7270         actual behaviour and C99.
7271         
7272 2008-02-26  Ben Elliston  <bje@au.ibm.com>
7273
7274         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
7275         (ASM_CPU_POWER6_SPEC): Likewise.
7276         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
7277         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
7278         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
7279
7280 2008-02-25  Richard Guenther  <rguenther@suse.de>
7281
7282         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7283         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7284         (lookup_decl_from_uid): Declare.
7285         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7286         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7287         (decl_for_uid_map): New global hashtable mapping DECL_UID
7288         to the decl tree.
7289         (init_ttree): Allocate it.
7290         (insert_decl_to_uid_decl_map): New helper function.
7291         (make_node_stat): Insert new decls into the map.
7292         (copy_node_stat): Likewise.
7293         (lookup_decl_from_uid): New function.
7294         (print_decl_for_uid_map_statistics): New helper.
7295         (dump_tree_statistics): Call it.
7296
7297         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7298         (referenced_var_iterator): Adjust.
7299         (FOR_EACH_REFERENCED_VAR): Adjust.
7300         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7301         (num_referenced_vars): Adjust.
7302         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7303         (first_referenced_var): Remove.
7304         (end_referenced_vars_p): Likewise.
7305         (next_referenced_var): Likewise.
7306         (referenced_var_iterator_set): New helper function.
7307         * tree-dfa.c (referenced_var_lookup): Adjust.
7308         (referenced_var_check_and_insert): Likewise.
7309         (remove_referenced_var): Likewise.
7310         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7311         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7312         (verify_call_clobbering): Likewise.
7313         (verify_memory_partitions): Likewise.
7314         (init_tree_ssa): Allocate bitmap instead of hashtable for
7315         referenced_vars.
7316         (delete_tree_ssa): Adjust.
7317         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7318         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7319         (compute_tag_properties): Likewise.
7320         (set_initial_properties): Likewise.
7321         (find_partition_for): Likewise.
7322         (update_reference_counts): Likewise.
7323         (dump_may_aliases_for): Likewise.
7324         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7325         (add_call_clobber_ops): Likewise.
7326         (add_call_read_ops): Likewise.
7327         (get_asm_expr_operands): Likewise.
7328         * tree-into-ssa.c (dump_decl_set): Likewise.
7329         (update_ssa): Likewise.
7330         * tree-sra.c (scan_function): Likewise.
7331         (decide_instantiations): Likewise.
7332         (scalarize_parms): Likewise.
7333         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7334         (dsa_named_for): Likewise.
7335         * tree-ssa-structalias.c (update_alias_info): Likewise.
7336         (merge_smts_into): Likewise.
7337
7338 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
7339
7340         PR target/35258
7341         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
7342         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
7343         * alias.h (nonoverlapping_memrefs_p): Likewise.
7344
7345 2008-02-25  Jan Beulich  <jbeulich@novell.com>
7346
7347         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
7348         * config/i386/netware-libgcc.exp: Add __bswap?i2,
7349         __emultls_get_address, __emultls_register_common,
7350         __floatundi?f, and _Unwind_GetIPInfo.
7351         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
7352         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
7353         (gen_regparm_prefix): Likewise.
7354         (i386_nlm_encode_section_info): Sync with
7355         config/i386/winnt.c:i386_pe_encode_section_info().
7356         (i386_nlm_maybe_mangle_decl_assembler_name): New.
7357         i386_nlm_mangle_decl_assembler_name): New.
7358         (netware_override_options): New.
7359         * config/i386/netware.h (netware_override_options): Declare.
7360         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
7361         (i386_nlm_mangle_decl_assembler_name): Declare.
7362         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
7363
7364 2008-02-25  Ben Elliston  <bje@au.ibm.com>
7365
7366         PR other/32948
7367         * c-decl.c (grokdeclarator): Remove unused local variables
7368         `typedef_type' and `type_as_written'.
7369         * bb-reorder.c
7370         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
7371         unused local variable `has_hot_blocks'.
7372         (fix_crossing_conditional_branches): Remove unused local variable
7373         `prev_bb'.
7374         
7375 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
7376
7377         PR middle-end/19984
7378         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
7379         using DEF_C99_BUILTIN.
7380         (BUILT_IN_NANF): Ditto.
7381         (BUILT_IN_NANL): Ditto.
7382
7383 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
7384             Revital Eres  <eres@il.ibm.com>
7385
7386         * modulo-sched.c (calculate_must_precede_follow): Address TODO
7387         regarding the order of two dependent insns in the same row.
7388
7389 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
7390
7391         * stor-layout.c (layout_decl): Do not bump the alignment of a
7392         bit-field to more than byte alignment if it is packed.
7393
7394 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
7395
7396         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
7397         e300c2 and e300c3.
7398
7399 2008-02-24  Diego Novillo  <dnovillo@google.com>
7400
7401         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
7402
7403         PR 33738
7404         * tree-vrp.c (vrp_evaluate_conditional): With
7405         -Wtype-limits, emit a warning when comparing against a
7406         constant outside the natural range of OP0's type.
7407         * c.opt (Wtype-limits): Move ...
7408         * common.opt (Wtype-limits): ... here.
7409
7410 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
7411
7412         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
7413         * config/rs6000/e300c2c3.md: New file.
7414         * config/rs6000/rs6000.c (processor_costs): Add new costs for
7415         e300c2 and e300c3.
7416         (rs6000_override_options): Add e300c2 and e300c3 cases to
7417         processor_target_table. Do not allow usage of Altivec or Spe
7418         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
7419         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
7420         * config/rs6000/rs6000.h (processor_type): Add
7421         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
7422         (ASM_CPU_SPEC): Add e300c2 and e300c3.
7423         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
7424         and ppce300c3. Include e300c2c3.md.
7425
7426 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
7427
7428         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
7429         instead of TARGET_STRICT_ALIGN.
7430
7431 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
7432
7433         * explow.c (memory_address): Assert that the generated address is
7434         valid.
7435
7436 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
7437
7438         PR target/25477
7439         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
7440         * config/darwin-ppc-ldouble-patch.def: New file.
7441         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
7442         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
7443         SUBTARGET_INIT_BUILTINS if defined.
7444         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
7445         New functions.
7446
7447 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7448
7449         PR rtl-opt/33512
7450         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
7451         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
7452
7453 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7454
7455         PR pch/35027
7456         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
7457         file" warning condtional on -Winvalid-PCH.
7458
7459 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
7460
7461         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
7462
7463 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
7464
7465         PR target/22076
7466         PR target/34256 
7467         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
7468         prevent reload from using MMX registers.
7469         (*mov<mode>_internal): Ditto.
7470         (*movv2sf_internal_rex64): Ditto.
7471         (*movv2sf_internal): Ditto.
7472
7473 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7474
7475         PR documentation/31569
7476         * doc/install.texi2html: Use makeinfo --no-number-sections.
7477
7478 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
7479
7480         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
7481         ensure that we can address an entire entity > 8 bytes.  Don't
7482         generate reg+reg addressing for such data.
7483
7484 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
7485
7486         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
7487         strings when optimizing for size, unless the target cares about
7488         alignment.
7489
7490 2008-02-22  Tom Tromey  <tromey@redhat.com>
7491
7492         * regclass.c (current_pass): Remove declaration.
7493
7494 2008-02-22  Anatoly Sokolov <aesok@post.ru>
7495
7496         * config/avr/libgcc.S (__RAMPZ__): Define.
7497         (__do_copy_data): Add for devices with 128KB code memory.
7498
7499 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
7500
7501         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
7502         Use spe_abi.
7503         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
7504
7505 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
7506
7507         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
7508         GENNONACR_REGS.
7509
7510 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7511
7512         PR c/19999
7513         * c-typeck.c (build_binary_op): Warn about floating point
7514         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
7515
7516 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
7517
7518         PR target/34526
7519         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
7520         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
7521         add vrsave.
7522         (rs6000_override_options): Set altivec_abi as default, not override,
7523         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
7524         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
7525         is used; use new member spe_abi.
7526         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
7527         spe_abi and altivec_abi.
7528
7529 2008-02-22  Tomas Bily  <tbily@suse.cz>
7530
7531         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
7532
7533 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7534
7535         PR bootstrap/35273
7536         * config.build (build_file_translate): Set to `CMD //c' only if
7537         it works.
7538         * Makefile.in (build_file_translate): Improve comment.
7539
7540 2008-02-21  Jan Hubicka  <jh@suse.cz>
7541
7542         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
7543         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
7544         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
7545
7546 2008-02-21  Michael Matz  <matz@suse.de>
7547
7548         PR target/35264
7549         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
7550
7551 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
7552
7553         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
7554         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
7555         as insn constraint.
7556         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
7557         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
7558         SSE_VEC_FLOAT_MODE_P as insn constraint.
7559         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
7560         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
7561         sse4a_movntdf using MODEF mode iterator.
7562         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
7563         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
7564         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
7565         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
7566         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
7567         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
7568         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
7569
7570 2008-02-21  Richard Guenther  <rguenther@suse.de>
7571
7572         * tree.def (PAREN_EXPR): New tree code.
7573         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
7574         and PAREN_EXPR.
7575         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
7576         * expr.c (expand_expr_real_1): Likewise.
7577         * tree-inline.c (estimate_num_insns_1): Likewise.
7578         * tree-complex.c (expand_complex_move): Likewise.
7579         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
7580         as plain x.
7581
7582 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7583
7584         PR target/35225
7585         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
7586
7587 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7588
7589         PR target/35190
7590         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
7591
7592         * config/sh/sh.c (find_barrier): Don't go past
7593         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
7594
7595 2008-02-20  DJ Delorie  <dj@redhat.com>
7596
7597         * config/h8300/h8300.md (insv): Force source operand to be a register.
7598
7599         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
7600         as a jump, not as a plain insn.
7601         
7602 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
7603
7604         * doc/invoke.texi (Warning Options): Add new option
7605         -Wframe-larger-than=.
7606         (-Wframe-larger-than): Document.
7607
7608         * flags.h (warn_frame_larger_than, frame_larger_than_size):
7609         Add declarations for new option variables.
7610
7611         * final.c (final_start_function): Check the frame size
7612         before emission and issue a Wframe-larger-than warning.
7613
7614         * opts.c (warn_frame_larger_than, frame_larger_than_size):
7615         Add definitions for new option variables.
7616         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
7617
7618         * common.opt (Wframe-larger-than=): New option.
7619
7620 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
7621
7622         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
7623         (<sse>_div<mode>3): Ditto.
7624         (<sse>_vmdiv<mode>3): Ditto.
7625         (<sse>_vmsqrt<mode>2): Ditto.
7626         (*smax<mode>3): Ditto.
7627         (sse5_frcz<mode>2): Ditto.
7628         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
7629         as insn constraint.
7630
7631 2008-02-20  Richard Guenther  <rguenther@suse.de>
7632
7633         PR middle-end/35265
7634         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
7635         be happy with INTEGRAL_TYPE_P.
7636
7637 2008-02-20  Richard Guenther  <rguenther@suse.de>
7638
7639         * fold-const.c (split_tree): Associate floatig-point expressions
7640         if flag_associative_math is set.
7641
7642 2008-02-20  Richard Guenther  <rguenther@suse.de>
7643
7644         * tree.h (fold_real_zero_addition_p): Declare.
7645         * fold-const.c (fold_real_zero_addition_p): Export.
7646         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
7647         floating-point operations with zero and one.
7648
7649 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
7650
7651         * doc/install.texi: Correct references to CFLAGS, replacing them
7652         with BOOT_CFLAGS.  Document flags used during bootstrap for
7653         target libraries.
7654                                 
7655 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
7656
7657         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
7658         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
7659         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
7660         insn constraint.
7661         (smin<mode>3): Ditto from similar patterns.
7662         (smax<mode>3): Ditto.
7663         (*ieee_smin<mode>3): Ditto.
7664         (*ieee_smax<mode>3): Ditto.
7665         * config/i386/sse.md (sse): New mode attribute.
7666         (mov<mode>): Macroize expander from movv4sf and movv2df using
7667         SSEMODEF2P mode iterator.
7668         (<sse>_movnt<mode>): Ditto from similar patterns. Use
7669         SSE_VEC_FLOAT_MODE_P as insn constraint.
7670         (storent<mode>): Ditto.
7671         (storent<mode>): Macroize expander from storentsf and storentdf using
7672         MODEF mode iterator.
7673         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
7674         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
7675         (abs<mode>2): Ditto from similar patterns.
7676         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
7677         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
7678         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
7679         (<sse>_vmsqrt<mode>2): Ditto.
7680         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
7681         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
7682         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
7683         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
7684         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
7685         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
7686         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
7687         insn constraint.
7688         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
7689         iterator and SSE_FLOAT_MODE_P as insn constraint.
7690         (<sse>_ucomi): Ditto from similar patterns.
7691         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
7692         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
7693         SSE_VEC_FLOAT_MODE_P as insn constraint.
7694         (vcond<mode>): Ditto from similar patterns.
7695         (and<mode>3, *and<mode>3): Ditto.
7696         (<sse>_nand<mode>3): Ditto.
7697         (ior<mode>3, *ior<mode>3): Ditto.
7698         (xor<mode>3, *xor<mode>3): Ditto.
7699         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
7700         iterator and SSE_FLOAT_MODE_P as insn constraint.
7701         (*nand<mode>3): Ditto from similar patterns.
7702         (*ior<mode>3): Ditto.
7703         (*xor<mode>3): Ditto.
7704
7705 2008-02-20  Ira Rosen  <irar@il.ibm.com>
7706
7707         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
7708         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
7709         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
7710
7711 2008-02-19  Jan Hubicka  <jh@suse.cz>
7712
7713         * predict.c (tree_bb_level_predictions): Remove variable next
7714         mistakely introduced by previous commit.
7715
7716 2008-02-19  Jan Hubicka  <jh@suse.cz>
7717
7718         * predict.c (predict_paths_leading_to): Rewrite.
7719         (predict_paths_for_bb): New.
7720         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
7721
7722 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7723
7724         PR bootstrap/35218
7725         * Makefile.in (build_file_translate): New.
7726         (gcc-vers.texi): Use it for translating $(abs_srcdir).
7727         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
7728         * configure.ac (build_file_translate): Substitute it.
7729         * configure: Regenerate.
7730
7731 2008-02-19  Jan Hubicka  <jh@suse.cz>
7732
7733         PR rtl-optimization/34408
7734         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
7735         invalid sharing.
7736
7737 2008-02-19  Jan Hubicka  <jh@suse.cz>
7738
7739         PR middle-end/28779
7740         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
7741         call_expr.
7742
7743 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
7744
7745         PR Ada/35186
7746         * config/i386/i386-modes.def: Revert the last DI alignment
7747         change until Ada people can look into it.
7748
7749 2008-02-19  Nick Clifton  <nickc@redhat.com>
7750
7751         * opts.c (print_specific_help): Fix typo in --help text.
7752
7753 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
7754
7755         PR target/35239
7756         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
7757         32-bit inline asm without asm alternatives for host GCC < 3.0.
7758
7759 2008-02-19  Richard Guenther  <rguenther@suse.de>
7760
7761         PR tree-optimization/34989
7762         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
7763         Allow propagation to INDIRECT_REF if we can simplify only.
7764
7765 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7766
7767         * c-common.c (warn_for_collisions_1): Use appropriate option when
7768         warning.
7769
7770 2008-02-19  Nick Clifton  <nickc@redhat.com>
7771
7772         PR other/31349
7773         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
7774         (handle_options): Fix indentation.
7775         (print_filtered_help): If no language-specific options were
7776         displayed tell the user how to list all the options supported by
7777         the language's front-end.
7778         (print_specific_help): Fix indentation and remove duplicate line.
7779         (common_handle_option): Handle the -v option.
7780         For --help enable the display of undocumented options if the -v
7781         switch has been included on the command line.
7782         For --help= check for overlaps in the arguments between the option
7783         classes and the language names and issue a warning when they
7784         cannot be disambiguated.
7785         * c.opt (v): Pass on to the common option handler.
7786
7787 2008-02-19  Revital Eres  <eres@il.ibm.com> 
7788
7789         * modulo-sched.c (sms_schedule): Change dump message when
7790         create_ddg function fails.
7791         (try_scheduling_node_in_cycle): Rename row to cycle.
7792         (print_partial_schedule): Rename CYCLE to ROW.
7793
7794 2008-02-19  Christian Bruel  <christian.bruel@st.com>
7795             Zdenek Dvorak  <ook@ucw.cz>
7796
7797         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
7798
7799 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
7800
7801         PR target/33555
7802         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
7803         (*x86_movdicc_0_m1_se): Ditto.
7804
7805 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
7806
7807         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
7808         (CMPtype): Define as __gcc_CMPtype.
7809         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
7810         (CMPtype): Define as __gcc_CMPtype.
7811
7812 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
7813
7814         Support valgrind 3.3 for --enable-checking=valgrind.
7815         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
7816         here.
7817         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
7818         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
7819         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
7820         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
7821         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
7822         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
7823         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
7824         respectively.
7825         * ggc-zone.c: Similar.
7826         * ggc-page.c: Similar.
7827
7828 2008-02-19  Paul Brook  <paul@codesourcery.com>
7829
7830         PR target/35071
7831         * config/arm/ieee754-df.S: Fix do_it typo.
7832         * config/arm/ieee754-sf.S: Fix do_it typo.
7833
7834 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
7835
7836         PR target/35189
7837         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
7838         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
7839         (OPTION_MASK_ISA_SSE_SET): Likewise.
7840         (OPTION_MASK_ISA_SSE2_SET): Likewise.
7841         (OPTION_MASK_ISA_SSE3_SET): Likewise.
7842         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
7843         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
7844         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
7845         (OPTION_MASK_ISA_SSE4_SET): Likewise.
7846         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
7847         (OPTION_MASK_ISA_SSE5_SET): Likewise.
7848         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
7849         (OPTION_MASK_ISA_MMX_UNSET): Updated.
7850         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
7851         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
7852         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
7853         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
7854         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
7855         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
7856         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
7857         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
7858         (OPTION_MASK_ISA_SSE4): Removed.
7859         (ix86_handle_option): Turn on bits in ix86_isa_flags and
7860         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
7861         (override_options): Don't turn on implied SSE/MMX bits in
7862         ix86_isa_flags.
7863
7864 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
7865
7866         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
7867         32bit host.
7868
7869 2008-02-18  Joey Ye  <joey.ye@intel.com>
7870
7871         PR middle-end/34921
7872         * tree-nested.c (insert_field_into_struct): Set type alignment
7873         to field alignment if the former is less than the latter.
7874
7875 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
7876
7877         * BASE-VER: Set to 4.4.0.
7878
7879 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7880
7881         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
7882         * doc/cfg.texi: Likewise.
7883         * doc/extend.texi: Likewise.
7884         * doc/gty.texi: Likewise.
7885         * doc/invoke.texi: Likewise.
7886         * doc/loop.texi: Likewise.
7887         * doc/md.texi: Likewise.
7888         * doc/passes.texi: Likewise.
7889         * doc/rtl.texi: Likewise.
7890         * doc/sourcebuild.texi: Likewise.
7891         * doc/tm.texi: Likewise.
7892         * doc/tree-ssa.texi: Likewise.
7893
7894 2008-02-17  Richard Guenther  <rguenther@suse.de>
7895
7896         PR middle-end/35227
7897         * tree-complex.c (init_parameter_lattice_values): Handle parameters
7898         without default definition.
7899
7900 2008-02-17  Richard Guenther  <rguenther@suse.de>
7901
7902         PR tree-optimization/35231
7903         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
7904         if A | B != 1.
7905
7906 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
7907
7908         Revert:
7909         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
7910         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
7911         libgcc_cmp_return mode.
7912
7913 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7914
7915         PR c/28368
7916         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
7917
7918 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
7919
7920         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
7921         multilibs.
7922
7923 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7924
7925         * doc/c-tree.texi: Use `@.' where appropriate.
7926         * doc/extend.texi: Likewise.
7927         * doc/install.texi: Likewise.
7928         * doc/invoke.texi: Likewise.
7929         * doc/loop.texi: Likewise.
7930         * doc/makefile.texi: Likewise.
7931         * doc/md.texi: Likewise.
7932         * doc/passes.texi: Likewise.
7933         * doc/standards.texi: Likewise.
7934         * doc/tm.texi: Likewise.
7935
7936 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
7937
7938         PR middle-end/35196
7939         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
7940         in entry_bb.
7941         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
7942         rather than in entry_bb.
7943
7944 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
7945
7946         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
7947         libgcc_cmp_return mode.
7948
7949 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
7950
7951         PR middle-end/35130
7952         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
7953         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
7954
7955 2008-02-15  Richard Guenther  <rguenther@suse.de>
7956             Zdenek Dvorak  <ook@ucw.cz>
7957
7958         PR tree-optimization/35164
7959         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
7960         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
7961         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
7962         Only propagate addresses which do not have abnormal SSA_NAMEs
7963         in their operands.
7964
7965 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
7966
7967         PR target/35088
7968         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
7969
7970 2008-02-15  Jan Hubicka  <jh@suse.cz>
7971
7972         PR middle-end/35149
7973         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
7974
7975 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
7976
7977         PR middle-end/34621
7978         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
7979         when calculating alignment_pad.
7980
7981 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
7982
7983         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
7984         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
7985         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
7986         and STACK_BOUNDARY define.
7987
7988 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
7989
7990         PR preprocessor/35061
7991         * c-pragma.c (handle_pragma_pop_macro): Check that
7992         pushed_macro_table has been allocated.
7993
7994 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
7995
7996         PR middle-end/35136
7997         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
7998         (force_gimple_operand): Likewise.
7999         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
8000         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
8001         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
8002         (find_interesting_uses_address): Check addressability and alignment
8003         of the base expression only after substituting bases of IVs into it.
8004
8005 2008-02-14  Michael Matz  <matz@suse.de>
8006
8007         PR target/34930
8008         * function.c (instantiate_virtual_regs_in_insn): Reload address
8009         before falling back to reloading the whole operand.
8010
8011 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
8012
8013         * config/s390/s390.c (s390_mainpool_start): Emit the pool
8014         before the first section switch note.
8015
8016 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8017
8018         * doc/bugreport.texi: Update copyright years.
8019         * doc/c-tree.texi: Likewise.
8020         * doc/cfg.texi: Likewise.
8021         * doc/cpp.texi: Likewise.
8022         * doc/cppinternals.texi: Likewise.
8023         * doc/fragments.texi: Likewise.
8024         * doc/frontends.texi: Likewise.
8025         * doc/gcc.texi: Likewise.
8026         * doc/gty.texi: Likewise.
8027         * doc/hostconfig.texi: Likewise.
8028         * doc/implement-c.texi: Likewise.
8029         * doc/libgcc.texi: Likewise.
8030         * doc/loop.texi: Likewise.
8031         * doc/makefile.texi: Likewise.
8032         * doc/options.texi: Likewise.
8033         * doc/passes.texi: Likewise.
8034         * doc/rtl.texi: Likewise.
8035         * doc/sourcebuild.texi: Likewise.
8036         * doc/standards.texi: Likewise.
8037         * doc/tree-ssa.texi: Likewise.
8038         * doc/trouble.texi: Likewise.
8039
8040         * doc/extend.texi: Use @: or add comma where appropriate.
8041         * doc/invoke.texi: Likewise.
8042         * doc/tm.texi: Likewise.
8043
8044 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
8045
8046         PR target/34393
8047         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
8048         to a reg.
8049
8050 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
8051
8052         * doc/md.texi (clz, ctz): Add reference.
8053         * doc/rtl.texi (clz, ctz): Likewise.
8054
8055 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8056
8057         PR other/35148
8058         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
8059         srcdir.
8060
8061 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
8062
8063         * config/s390/s390.c (struct constant_pool): New field
8064         emit_pool_after added.
8065         (s390_mainpool_start): Set the emit_pool_after flag according
8066         to the section switch notes.
8067         (s390_mainpool_finish): Consider emit_pool_after when emitting
8068         the literal pool at the end of the function.
8069         (s390_chunkify_start): Force literal pool splits at section
8070         switch notes.
8071
8072 2008-02-13  Michael Matz  <matz@suse.de>
8073
8074         PR debug/35065
8075         * var-tracking.c (clobber_variable_part): Correctly traverse the
8076         list.
8077
8078 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8079
8080         PR 29673
8081         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
8082         Add -fdump-ipa-inline.
8083         * tree-dump.c (dump_files): Remove tree-inlined dump.
8084         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
8085         
8086 2008-02-12  Richard Guenther  <rguenther@suse.de>
8087
8088         PR tree-optimization/35171
8089         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
8090         default defs.
8091
8092 2008-02-12  Richard Guenther  <rguenther@suse.de>
8093
8094         PR middle-end/35163
8095         * fold-const.c (fold_widened_comparison): Use get_unwidened in
8096         value-preserving mode.  Disallow final truncation.
8097
8098 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8099
8100         PR middle-end/35136
8101         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
8102         code from here to...
8103         (force_gimple_operand): ...here.
8104
8105 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
8106
8107         PR c++/35144
8108         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
8109         non-compatible pointers.
8110         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
8111         different FIELD_DECLs, try harder by comparing field offsets, sizes
8112         and types.
8113
8114         PR inline-asm/35160
8115         * function.c (match_asm_constraints_1): Don't replace the same input
8116         multiple times.
8117
8118 2008-02-12  Anatoly Sokolov <aesok@post.ru>
8119
8120         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
8121         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
8122         (expand_epilogue): Restore RAMPZ register.
8123         * config/avr/avr.md (RAMPZ_ADDR): New constant.
8124
8125 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
8126
8127         * config/i386/cygwin.asm: (__alloca): Correct calling
8128         convention and alignment.
8129         (__chkstk): Force 8 byte stack alignment.
8130
8131 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
8132             Richard Guenther  <rguenther@suse.de>
8133
8134         PR tree-optimization/33992
8135         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
8136         the zero we compare against.
8137
8138 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
8139
8140         PR libfortran/35063
8141         * gthr-win32.h (__gthread_mutex_destroy_function): New function
8142         to CloseHandle after unlocking to prevent accumulation of handle
8143         count.
8144
8145 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8146
8147         PR middle_end/34150
8148         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
8149         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
8150         and update LABEL_NUSES during and after reload.
8151
8152 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
8153
8154         PR middle-end/34627
8155         * combine.c (simplify_if_then_else): Make sure the comparison is
8156         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
8157
8158 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
8159
8160         PR bootstrap/35051
8161         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
8162         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
8163         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
8164         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
8165         * tree.h (get_type_static_bounds): Likewise.
8166
8167 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8168
8169         * doc/invoke.texi (Option Summary, C++ Dialect Options)
8170         (Objective-C and Objective-C++ Dialect Options, Warning Options):
8171         Make -Wfoo language annotations match what the compiler outputs.
8172
8173 2008-02-08  Sa Liu  <saliu@de.ibm.com>
8174
8175         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
8176         intrinsics spu_convts, spu_convtu, spu_convtf.
8177
8178 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
8179
8180         * doc/extend.texi (Function Attributes) <noinline>: Mention
8181         asm ("") as method to keep calls.
8182
8183 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8184
8185         PR other/32754
8186         * doc/options.texi (Options): Replace references to opts.sh with
8187         optc-gen.awk.
8188         * opts-common.c: Likewise.
8189         * optc-gen.awk: Likewise.
8190         
8191 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
8192
8193         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
8194
8195 2008-02-07  Richard Henderson  <rth@redhat.com>
8196
8197         PR rtl-opt/33410
8198         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
8199         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
8200         funny mode.
8201
8202 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
8203
8204         PR tree-optimization/35085
8205         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
8206         for operand entry oe2 in addition to operand entry oe3 in order to
8207         expose more opportunities for vectorizer sum reduction.
8208
8209 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8210
8211         PR other/35107
8212         * Makefile.in (LIBS): Remove $(GMPLIBS).
8213         (cc1-dummy, cc1): Add $(GMPLIBS).
8214
8215 2008-02-06  Jan Hubicka  <jh@suse.cz>
8216
8217         PR target/23322
8218         * i386.md (moddf_integer): Do not produce partial memory stalls for
8219         targets where it hurts.
8220
8221 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
8222
8223         PR target/35083
8224         * optabs.c (expand_float): Do not check for decimal modes when
8225         expanding unsigned integer through signed conversion.
8226
8227 2008-02-06  Nick Clifton  <nickc@redhat.com>
8228
8229         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
8230         inside the clobber with a match_operand and duplicated operand
8231         number in the constraint.
8232         (ineqbranchsi): Delete redundant comment.
8233
8234 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
8235
8236         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
8237         builtin_define ("__USE_INIT_FINI__").
8238         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
8239         -msx multilibs.
8240         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
8241
8242 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8243
8244         PR documentation/30330
8245         * doc/invoke.texi (C++ Dialect Options)
8246         (Objective-C and Objective-C++ Dialect Options, Warning Options):
8247         For each warning option -Wfoo that allows -Wno-foo, ensure both
8248         -Wfoo and -Wno-foo are listed in the option index.  Fix index
8249         entry of -Wswitch-default, index -Wnormalized= including the
8250         `=', and -Wlarger-than-@var{len} including @var{len}.
8251
8252 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
8253
8254         * config/i386/i386.md (floatunssisf2): Use
8255         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
8256         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
8257         Macroize expander using MODEF mode iterator.
8258
8259 2008-02-05  Diego Novillo  <dnovillo@google.com>
8260
8261         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
8262
8263         PR 33738
8264         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
8265
8266 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8267
8268         PR other/35070
8269         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
8270
8271 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
8272
8273         PR target/35084
8274         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
8275         to indicate if a message should be generated.
8276         (init_cumulative_args): Updated.
8277         (function_value_32): Likewise.
8278
8279 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
8280
8281         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
8282
8283 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
8284
8285         PR target/35083
8286         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
8287         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
8288
8289 2008-02-04  Diego Novillo  <dnovillo@google.com>
8290
8291         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
8292
8293         PR 33738
8294         * tree-vrp.c (vrp_evaluate_conditional): With
8295         -Wtype-limits, emit a warning when comparing against a
8296         constant outside the natural range of OP0's type.
8297
8298 2008-02-04  Richard Guenther  <rguenther@suse.de>
8299
8300         PR middle-end/33631
8301         * expr.c (count_type_elements): Give for unions instead of
8302         guessing.
8303
8304 2008-02-04  Richard Guenther  <rguenther@suse.de>
8305
8306         PR middle-end/35043
8307         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
8308         to TYPE_DOMAINs base type instead of using bitsizetype here.
8309
8310 2008-02-03  Jason Merrill  <jason@redhat.com>
8311
8312         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
8313
8314 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8315
8316         PR other/29972
8317         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
8318         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
8319         (RS/6000 and PowerPC Options): Fix typos and markup.
8320         * doc/passes.texi (Tree-SSA passes): Likewise.
8321
8322 2008-02-02  Michael Matz  <matz@suse.de>
8323
8324         PR target/35045
8325         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
8326         from record_last_reg_set_info.
8327         (record_last_reg_set_info): Take an RTX argument, iterate over all
8328         constituent hardregs.
8329         (record_last_set_info, record_opr_changes): Change calls to
8330         new signature or to record_last_reg_set_info_regno.
8331
8332 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
8333
8334         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
8335
8336 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
8337
8338         PR rtl-optimization/34773
8339         * reg-notes.def (EQUAL): Mention significance of combination of
8340         REG_EQUAL and REG_RETVAL.
8341         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
8342         insn that has a REG_RETVAL.
8343
8344 2008-02-01  Roger Sayle  <roger@eyesopen.com>
8345
8346         PR bootstrap/33781
8347         * configure.ac (--enable-fixed-point): Disable unless explicitly
8348         requested on IRIX.
8349         * configure: Regenerate.
8350
8351 2008-02-01  Richard Guenther  <rguenther@suse.de>
8352
8353         PR other/35042
8354         * invoke.texi (-finline-limit): Remove no longer true parts
8355         of the documentation.  Note that there is no default value.
8356
8357 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
8358             Mark Mitchell  <mark@codesourcery.com>
8359             Ben Elliston  <bje@au.ibm.com>
8360
8361         PR c/29326
8362         * doc/extend.texi (Other Builtins): Document.
8363
8364 2008-01-31  Tom Browder <tom.browder@gmail.com>
8365
8366         * doc/c-tree.texi (Types): Fix grammar.
8367         (Expression trees): Ditto.
8368         * doc/passes.texi (Tree-SSA passes): Ditto.
8369         
8370         * doc/configterms.texi (Configure Terms): Fix typo.
8371         * doc/cpp.texi (Common Predefined Macros): Ditto.
8372         * doc/md.texi (Machine Constraints): Ditto.
8373         
8374         * doc/makefile.texi (Makefile): Add comma.
8375
8376 2008-01-31  Tom Browder  <tom.browder@gmail.com>
8377             Gerald Pfeifer  <gerald@pfeifer.com>
8378         
8379         * doc/sourcebuild.texi (Front End): Remove references to CVS
8380         and CVSROOT/modules.
8381         (Texinfo Manuals): Replace reference to CVS by one to SVN.
8382         (Back End): Remove reference to CVS.
8383
8384 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
8385
8386         PR target/34900
8387         * config/mips/mips.c (gen_load_const_gp): New function, taking a
8388         comment from...
8389         (mips16_gp_pseudo_reg): ...here.
8390         * config/mips/mips.md (load_const_gp): Replace with...
8391         (load_const_gp_<mode>): ...this :P-based insn.
8392
8393 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8394
8395         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
8396         options. Minor fixes.
8397         (-std): Move reference to standards closer to where language
8398         standards are first mentioned.
8399         
8400 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
8401
8402         PR rtl-optimization/34995
8403         * reload.c (alternative_allows_const_pool_ref): Take an rtx
8404         parameter and return a bool.  If the rtx parameter is nonnull,
8405         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
8406         (find_reloads): Update call accordingly.  Pass the new operand
8407         if it needed no address reloads, otherwise pass null.
8408
8409 2008-01-30  Richard Henderson  <rth@redhat.com>
8410
8411         PR c/34993
8412         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
8413         for unbounded arrays.
8414
8415 2008-01-30  Silvius Rus  <rus@google.com>
8416
8417         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
8418
8419 2008-01-30  Jan Hubicka  <jh@suse.cz>
8420
8421         PR target/34982
8422         * i386.c (init_cumulative_args): Use real function declaration when
8423         calling locally.
8424
8425 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
8426
8427         PR rtl-optimization/34998
8428         * global.c (build_insn_chain): Treat non-subreg_lowpart
8429         SUBREGs of pseudos as clobbering all the words covered by the
8430         SUBREG, not just all the bytes.
8431         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
8432         original df_ref rather than an extract parameter.
8433         (global_conflicts): Update call accordingly.
8434
8435 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
8436
8437         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
8438         the overflow check to make it easier to read.
8439         (__fixtfdi): Change the type of the ll member in union
8440         long_double to UDItype_x.
8441
8442 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
8443
8444         PR middle-end/34969
8445         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
8446         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
8447         * tree-inline.c (fold_marked_statements): Call
8448         cgraph_update_edges_for_call_stmt if folding a call statement.
8449         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
8450         debug_generic_stmt calls, reset it back afterwards.
8451
8452         PR c/35017
8453         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
8454         static decls.
8455         * c-typeck.c (build_external_ref): Don't pedwarn about
8456         static vars in current function's scope.
8457
8458 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
8459
8460         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
8461
8462 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
8463
8464         PR c/35002
8465         * ipa-struct-reorg.c: Fix spelling.
8466         * params.def: Ditto.
8467
8468 2008-01-29  Richard Guenther  <rguenther@suse.de>
8469
8470         PR middle-end/35006
8471         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
8472         field.
8473         * tree-inline.c (remap_type): Increment remapping_type_depth
8474         around remapping types.
8475         (copy_body_r): Only add referenced variables if they are referenced
8476         from code, not types.
8477
8478 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
8479
8480         PR c++/34055
8481         PR c++/34103
8482         PR c++/34219
8483         PR c++/34606
8484         PR c++/34753
8485         PR c++/34754
8486         PR c++/34755
8487         PR c++/34919
8488         PR c++/34961
8489         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
8490         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
8491
8492 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
8493
8494         PR target/34412
8495         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
8496         pointer for tiny stack.
8497
8498 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
8499
8500         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
8501
8502 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
8503
8504         * config/vx-common.h: Fix typo in comment.
8505
8506 2008-01-28  Ian Lance Taylor  <iant@google.com>
8507
8508         PR c++/34862
8509         PR c++/33407
8510         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
8511         coalesce pointers if they have different DECL_NO_TBAA_P values.
8512         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
8513         between variables with different DECL_NO_TBAA_P values.
8514
8515 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
8516
8517         PR 31535
8518         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
8519         are not legitimate small data references on SPE targets.
8520
8521 2008-01-28  David Daney  <ddaney@avtrex.com>
8522
8523         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
8524
8525 2008-01-28  David Daney  <ddaney@avtrex.com>
8526
8527         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
8528
8529 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
8530
8531         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
8532         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
8533         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
8534         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
8535         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
8536         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
8537         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
8538         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
8539
8540 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
8541
8542         * basic-block.h (condjump_equiv_p): Fix comment.
8543
8544 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
8545
8546         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
8547         print_generic_stmt_indented): Fix comment.
8548
8549 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
8550
8551         * configure.ac (__stack_chk_fail): Add detecion for availability
8552         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
8553         * configure: Regenerate.
8554
8555 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
8556
8557         PR middle-end/34688
8558         * final.c (output_addr_const): Handle TRUNCATE.
8559
8560 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
8561
8562         PR target/34711
8563         * tree-ssa-loop-ivopts.c (comp_cost): New type.
8564         (zero_cost, infinite_cost): New constants.
8565         (struct cost_pair): Change type of cost to comp_cost.
8566         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
8567         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
8568         New functions.
8569         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
8570         split_address_cost, ptr_difference_cost, difference_cost,
8571         get_computation_cost_at, get_computation_cost,
8572         determine_use_iv_cost_generic, determine_use_iv_cost_address,
8573         determine_use_iv_cost_condition, determine_use_iv_costs,
8574         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
8575         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
8576         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
8577         Change type of cost to comp_cost.
8578         (determine_iv_cost): Increase cost of non-original ivs, instead
8579         of decreasing the cost of original ones.
8580         (get_address_cost): Indicate the complexity of the addressing mode 
8581         in comp_cost.
8582         (try_add_cand_for): Prefer using ivs not specific to some object.
8583         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
8584
8585 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
8586             Janis Johnson  <janis187@us.ibm.com>
8587
8588         PR target/34814
8589         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
8590         (TARGET_INSTANTIATE_DECLS): Likewise.
8591         * target.h (expand_to_rtl_hook): New target hook.
8592         (instantiate_decls): Likewise.
8593         * function.c (instantiate_decl): Make non-static.  Rename to...
8594         (instantiate_decl_rtl): ... this.
8595         (instantiate_expr): Use instantiate_decl_rtl.
8596         (instantiate_decls_1): Likewise.
8597         (instantiate_decls): Likewise.
8598         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
8599         * function.h (instantiate_decl_rtl): Add prototype.
8600         * cfgexpand.c (target.h): New include.
8601         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
8602         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
8603         (TARGET_INSTANTIATE_DECLS): Likewise.
8604         (TARGET_INITIALIZER): New target hooks added.
8605         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
8606         New prototype.
8607         * config/rs6000/rs6000.c (tree-flow.h): New include.
8608         (machine_function): Add sdmode_stack_slot field.
8609         (rs6000_alloc_sdmode_stack_slot): New function.
8610         (rs6000_instantiate_decls): Likewise.
8611         (rs6000_secondary_memory_needed_rtx): Likewise.
8612         (rs6000_check_sdmode): Likewise.
8613         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
8614         (TARGET_INSTANTIATE_DECLS): Likewise.
8615         (rs6000_hard_regno_mode_ok): Allow SDmode.
8616         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
8617         (rs6000_emit_move): Handle SDmode.
8618         (function_arg_advance): Likewise.
8619         (function_arg): Likewise.
8620         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
8621         SDmode var args for 32-bit compiles.
8622         (rs6000_secondary_reload_class): Handle SDmode.
8623         (rs6000_output_function_epilogue): Likewise.
8624         (rs6000_function_value): Simplify if statement.
8625         (rs6000_libcall_value): Likewise.
8626         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
8627         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
8628         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
8629         (movsd_hardfloat): New define_insn.
8630         (movsd_softfloat): Likewise.
8631         (movsd_store): Likewise.
8632         (movsd_load): Likewise.
8633         (extendsddd2): Likewise.
8634         (extendsdtd2): Likewise.
8635         (truncddsd2): Likewise.
8636         (movdd_hardfloat64): Fixup comment.
8637         (UNSPEC_MOVSD_LOAD): New constant.
8638         (UNSPEC_MOVSD_STORE): Likewise.
8639
8640 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
8641
8642         PR c++/34965
8643         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
8644         TRUTH_XOR_EXPR.
8645         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
8646         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
8647         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
8648         and TRUTH_XOR_EXPR.
8649
8650 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
8651
8652         PR target/34794
8653         * config.gcc: Separate AIX 5.3 from AIX 6.1.
8654         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
8655         __LONGDOUBLE128 too.
8656         * config/rs6000/aix61.h: New file.
8657
8658 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
8659
8660         PR rtl-optimization/34959
8661         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
8662         popcount and parity rtxes the same mode as their operand.
8663         Truncate or extend the result to the return value's mode
8664         if necessary.
8665
8666 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
8667
8668         PR target/34981
8669         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
8670         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
8671         to GOT_VERSION_REGNUM.
8672         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
8673         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
8674         * config/mips/mips.c (mips_emit_call_insn): New function.
8675         (mips_call_tls_get_addr): Call mips_expand_call directly.
8676         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
8677         emit_call_insn.
8678         (mips16_build_call_stub): Likewise.  Return the call insn or null.
8679         (mips_expand_call): Update the call to mips16_build_call_stub
8680         accordingly and a remove redundant condition.  Assert that MIPS16
8681         stubs do not use lazy binding.  Use mips_emit_call_insn and return
8682         the call insn.
8683         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
8684         TARGET_USE_GOT.
8685         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
8686         (mips_avoid_hazard): Remove hazard_set handling.
8687         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
8688         (UNSPEC_RESTORE_GP): ...this.
8689         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
8690         (FAKE_CALL_REGNO): Rename to...
8691         (GOT_VERSION_REGNUM): ...this.
8692         (type): Add "ghost" value.  Add an associated insn reservation.
8693         (hazard_set): Remove.
8694         (exception_receiver): Rename to...
8695         (restore_gp): ...this and update the unspec identifier accordingly.
8696         (exception_receiver, nonlocal_got_receiver): New expanders.
8697         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
8698         FAKE_CALL_REGNO.  Remove hazard_set attribute.
8699         (set_got_version, update_got_version): New patterns.
8700
8701 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
8702
8703         PR target/34970
8704         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
8705
8706 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
8707
8708         PR other/31955
8709         * doc/install.texi2html: Generate gcc-vers.texi.
8710
8711 2008-01-25  DJ Delorie  <dj@redhat.com>
8712
8713         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
8714
8715 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
8716
8717         * config/c4x: Remove directory.
8718         * config.gcc (crx-*, mt-*): Mark obsolete.
8719         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
8720         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
8721         sh-*-rtemscoff*): Remove cases.
8722         * defaults.h (C4X_FLOAT_FORMAT): Remove.
8723         * real.c (encode_c4x_single, decode_c4x_single,
8724         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
8725         c4x_extended_format): Remove.
8726         * real.h (c4x_single_format, c4x_extended_format): Remove.
8727         * doc/extend.texi (interrupt, naked): Remove mention of attributes
8728         on C4x.
8729         (Pragmas): Remove comment about c4x pragmas.
8730         * doc/install.texi (c4x): Remove target-specific instructions.
8731         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
8732         * doc/md.texi (Machine Constraints): Remove C4x documentation.
8733         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
8734         refer to C4x source files as examples.
8735         (C4X_FLOAT_FORMAT): Remove documentation.
8736
8737 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
8738
8739         * config/bfin/bfin.c (override_options): Reorder tests so that
8740         flag_pic gets enabled for -msep-data.
8741
8742 2008-01-25  Richard Guenther  <rguenther@suse.de>
8743
8744         PR middle-end/32244
8745         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
8746         to its bitfield precision if required.
8747
8748 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
8749
8750         PR middle-end/33880
8751         * tree-nested.c (walk_omp_for): New function.
8752         (convert_nonlocal_reference, convert_local_reference): Call
8753         walk_omp_for on OMP_FOR.
8754         (convert_call_expr): Call walk_body on OMP_FOR's
8755         OMP_FOR_PRE_INIT_BODY.
8756
8757 2008-01-25  Richard Guenther  <rguenther@suse.de>
8758
8759         PR tree-optimization/34966
8760         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
8761         default defs and PHI_NODEs we have to insert after the
8762         defining statement.
8763
8764 2008-01-24  Nick Clifton  <nickc@redhat.com>
8765
8766         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
8767         Provide a default definition.
8768         (LIBGCC2_UNITS_PER_WORD): Likewise.
8769
8770         * config/stormy16/stormy16.c: Include df.h for the prototype
8771         for df_regs_ever_live_p.
8772         (xstormy16_expand_builtin_va_start): Convert the stack offset
8773         into a component_ref and then use POINTER_PLUS_EXPR to add it
8774         to the incoming_virtual_args_rtx.
8775         (xstormy16_gimplify_va_arg_expr): Rename to
8776         xstormy16_gimplify_va_arg_expr.
8777         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
8778         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
8779         xstormy16_gimplify_va_arg_expr.
8780         Fix up some formatting issues.
8781
8782         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
8783         Move to predicates.md.
8784         (xs_hi_general_operand): Likewise.
8785         (xs_hi_nonmemory_operand): Likewise.
8786         * config/stormy16/predicates.md:
8787         (xstormy16_carry_plus_operand): New predicate.
8788         (xs_hi_general_operand): New predicate.
8789         (xs_hi_nonmemory_operand): New predicate.
8790         * config/stormy16/stormy16-protos.h:
8791         (xstormy16_carry_plus_operand): Delete prototype.
8792         (xs_hi_general_operand): Likewise.
8793         (xs_hi_nonmemory_operand): Likewise.
8794
8795         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
8796         modifiers as they are no longer needed and they can trigger
8797         reload spill failures.
8798
8799         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
8800         with a match_operand in order to help reload.
8801
8802         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
8803         constraint with 'e' for the 8th alternative as this version of
8804         the mov.w instruction only accepts the lower 8 registers.
8805
8806 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
8807
8808         PR target/34856
8809         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
8810         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
8811         vector elements.
8812
8813 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
8814
8815         PR middle-end/33333
8816         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
8817
8818 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
8819
8820         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
8821         New functions.
8822         (remove_structure): Update allocations list before removing structure.
8823         
8824 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
8825
8826         * ipa-struct-reorg.c (is_safe_cond_expr, 
8827         create_new_stmts_for_cond_expr): Use integer_zerop function,
8828         that recognize not only zero-pointer, but zero-integer too.
8829
8830 2008-01-25  Ben Elliston  <bje@au.ibm.com>
8831
8832         PR other/22232
8833         * fixproto: Escape "." in sed expression that strips leading "./".
8834
8835 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
8836
8837         PR driver/34904
8838         * gcc.c (SWITCH_OK): Removed.
8839         (SWITCH_LIVE): Changed to bit.
8840         (SWITCH_FALSE): Likewise.
8841         (SWITCH_IGNORE): Likewise.
8842         (switchstr): Change live_cond to unsigned int.
8843         (process_command): Replace SWITCH_OK with 0.
8844         (do_self_spec): Likewise.
8845         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
8846         (give_switch): Likewise.
8847         (used_arg): Likewise.
8848         (do_spec_1): Set the SWITCH_IGNORE bit.
8849         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
8850         bits.  Set the SWITCH_LIVE bit.
8851
8852 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8853
8854         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
8855
8856 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
8857
8858         PR tree-optimization/34472
8859         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
8860         parameter to a "bool *" and set *DATA to false if there is
8861         an unsafe access.  Do not delete the structure here.
8862         (check_cond_exprs): Delete it here instead.
8863         (check_cond_exprs, exclude_cold_structs): Do not increase
8864         I when removing a structure.
8865
8866 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
8867
8868         PR target/34856
8869         * config/i386/i386.c (ix86_expand_vector_init): Consider only
8870         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
8871
8872 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
8873
8874         PR middle-end/34934
8875         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
8876         a fixed vector for stack.
8877
8878 2008-01-24  Ben Elliston  <bje@au.ibm.com>
8879
8880         PR c++/25701
8881         * doc/gcc.texi (Software development): Add a direntry for g++.
8882         
8883 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
8884
8885         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
8886         stale and straggling -fforce-addr comments above.
8887
8888         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
8889         define.
8890         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
8891         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
8892
8893 2008-01-23  Michael Matz  <matz@suse.de>
8894
8895         PR debug/34895
8896         * dwarf2out.c (force_type_die): Use modified_type_die instead of
8897         gen_type_die.
8898
8899 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
8900
8901         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
8902         malloc result type.
8903
8904 2008-01-23 Anatoly Sokolov <aesok@post.ru>
8905
8906         * config/avr/avr.c (avr_current_arch): New variable.
8907         (avr_arch_types): Add 'avr31' and 'avr51' entries.
8908         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
8909         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
8910         (avr_override_options): Init 'avr_current_arch'. 
8911         (base_arch_s): Move from here...
8912         * config/avr/avr.h (base_arch_s): ... here. Add new members 
8913         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
8914         'mega' to 'have_jmp_call'.
8915         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
8916         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
8917         macros.
8918         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
8919         architectures.
8920         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
8921         MULTILIB_MATCHES): (Ditto.).
8922
8923 2008-01-23  Richard Guenther  <rguenther@suse.de>
8924
8925         PR middle-end/31529
8926         * cgraphunit.c (cgraph_reset_node): Always mark the node
8927         not reachable if it is not queued already.
8928
8929 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
8930
8931         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
8932         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
8933         (cputype_selected): New static variable.
8934         (bfin_handle_option): Set it if -mcpu is used.
8935         (override_option): Select default set of workarounds if no cpu type
8936         selected on the command line.
8937         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
8938
8939         From  Michael Frysinger  <michael.frysinger@analog.com>
8940         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
8941         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
8942
8943         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
8944         for bf547, bf523, bf524, and bf526.
8945         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
8946         bf526.
8947         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8948         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
8949         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
8950         __ADSPBF547__ and __ADSPBF54x__ for bf547.
8951         * doc/invoke.texi (Blackfin Options): Document that
8952         -mcpu now accept bf547, bf523, bf524, and bf526.
8953
8954 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
8955
8956         PR rtl-optimization/34628
8957         * combine.c (try_combine): Stop and undo after the first combination
8958         if an autoincrement side-effect on the first insn has effectively
8959         been lost.
8960
8961 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
8962
8963         PR target/34529
8964         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
8965         Offset addresses are not valid for Altivec or paired float modes.
8966
8967 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
8968
8969         PR c++/34607
8970         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
8971         if DECL_INITIAL (decl) is error_mark_node.
8972
8973         PR c++/34914
8974         * c-common.c (handle_vector_size_attribute): Only allow
8975         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
8976         the same way as pointer, array etc. types.
8977         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
8978
8979         PR c++/34917
8980         * tree.c (build_type_attribute_qual_variant): Call
8981         build_qualified_type if attributes are equal, but quals are not.
8982
8983 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8984
8985         PR 32102
8986         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
8987         * flags.h (warn_strict_aliasing): Remove.
8988         (warn_strict_overflow): Remove.
8989         * opts.c (warn_strict_aliasing): Remove.
8990         (warn_strict_overflow): Remove.
8991         * c-opts.c (c_common_handle_option): -Wall only sets
8992         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
8993         (c_common_post_options): Give default values to -Wstrict-aliasing
8994         and -Wstrict-overflow if they are uninitialized.
8995         * common.opt (Wstrict-aliasing): Specify Var and Init.
8996         (Wstrict-overflow): Likewise.
8997
8998 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
8999
9000         PR rtl-optimization/26854
9001         PR rtl-optimization/34400
9002         PR rtl-optimization/34884
9003         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
9004         DF_RD->gen.
9005         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
9006         (df_rd_bb_info.expanded_lr_out): Deleted
9007         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
9008         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
9009         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
9010         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
9011         Removed code to allocate, initialize or free expanded_lr_out.
9012         (df_rd_bb_local_compute_process_def): Restructured to make more
9013         understandable.
9014         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
9015         sets if the sets are being trimmed.
9016
9017 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9018
9019         PR bootstrap/32287
9020         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
9021         (as_vers): Likewise.
9022         * configure: Regenerated.
9023
9024 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9025
9026         PR middle-end/33092
9027         * tree-pass.h (pass_build_alias): New pass.
9028         * tree-ssa-alias.c (gate_build_alias): New.
9029         (pass_build_alias): New.
9030         * passes.c (init_optimization_passes): Add pass_build_alias after
9031         pass_create_structure_vars.
9032
9033 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
9034
9035         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
9036         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
9037         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
9038         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
9039         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
9040         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
9041         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
9042         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
9043         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
9044         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
9045         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
9046         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
9047         * config/s390/s390.md (FP_ALL): New mode iterator.
9048         (_d): New mode attribute.
9049         ("*signbit<mode>2>"): Changed mode of first operand.
9050         ("isinf<mode>2"): Changed mode of first operand.
9051         ("*TDC_insn"): Adaptation for DFP modes.
9052
9053 2008-01-22  Ben Elliston  <bje@au.ibm.com>
9054
9055         * tree.c (check_qualified_type): Improve function description.
9056
9057 2008-01-21  Jason Merrill  <jason@redhat.com>
9058
9059         PR c++/34196
9060         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
9061         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
9062         if it is set.
9063
9064 2008-01-21  DJ Delorie  <dj@redhat.com>
9065
9066         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
9067         return zero.
9068
9069 2008-01-21  Richard Guenther  <rguenther@suse.de>
9070
9071         PR middle-end/34856
9072         * tree-cfg.c (verify_expr): Allow all invariant expressions
9073         instead of just constant class ones as reference argument.
9074         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
9075         like any other constant.
9076         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
9077
9078 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
9079
9080         * regmove.c (fixup_match_1): Update call crossed frequencies.
9081
9082 2008-01-21  Richard Guenther  <rguenther@suse.de>
9083
9084         PR c/34885
9085         * tree-inline.c (setup_one_parameter): Deal with mismatched
9086         types using a VIEW_CONVERT_EXPR.
9087
9088 2008-01-21  Alon Dayan  <alond@il.ibm.com>
9089             Olga Golovanevsky  <olga@il.ibm.com>
9090         
9091         PR tree-optimization/34701
9092         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
9093         when the structure size is not a power of 2.
9094
9095 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
9096
9097         * doc/install.texi: Add doc for --enable-checking=df.
9098         
9099 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9100
9101         PR rtl-optimization/34808
9102         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
9103
9104 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
9105
9106         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
9107         input.
9108
9109 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
9110
9111         PR rtl-optimization/26854
9112         PR rtl-optimization/34400
9113         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
9114         DF_RD->gen.
9115         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
9116         (df_rd_bb_info.expanded_lr_out): New.
9117         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
9118         * loop_iv.c (iv_analysis_loop_init): Ditto.
9119         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
9120         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
9121         Added code to allocate, initialize or free expanded_lr_out.
9122         (df_rd_bb_local_compute_process_def): Restructured to make
9123         more understandable.
9124         (df_rd_confluence_n): Add code to do nothing with fake edges and
9125         code to no apply invalidate_by_call sets if the sets are being trimmed.
9126         (df_lr_local_finalize): Renamed to df_lr_finalize.
9127         (df_live_local_finalize): Renamed to df_live_finalize.
9128
9129 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
9130
9131         PR target/34831
9132         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
9133         deciding whether to use reciprocal instructions.
9134
9135 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
9136
9137         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
9138         dwarf2out_note_section_used if cold_text_section is NULL.
9139
9140 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
9141
9142         PR gcov-profile/34610
9143         * tree-cfg.c (make_edges): Mark both outgoing edges from
9144         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
9145         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
9146         from OMP_FOR and OMP_CONTINUE outgoing edges.
9147
9148         * tree-profile.c (tree_profiling): Return early if
9149         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
9150         at the end.
9151         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
9152         from cfun to child_cfun.
9153         * function.h (struct function): Add after_tree_profile bit.
9154
9155 2008-01-19 Anatoly Sokolov <aesok@post.ru>
9156
9157         * config/avr/avr.S (_exit): Disable interrupt.
9158
9159 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
9160             Steven Bosscher  <stevenb.gcc@gmail.com>
9161
9162         PR rtl-optimization/26854
9163         PR rtl-optimization/34400
9164         * df-problems.c (df_live_scratch): New scratch bitmap.
9165         (df_live_alloc): Allocate df_live_scratch when doing df_live.
9166         (df_live_reset): Clear the proper bitmaps.
9167         (df_live_bb_local_compute): Only process the artificial defs once
9168         since the order is not important.
9169         (df_live_init): Init the df_live sets only with the variables
9170         found live by df_lr.
9171         (df_live_transfer_function): Use the df_lr sets to prune the
9172         df_live sets as they are being computed.  
9173         (df_live_free): Free df_live_scratch.
9174
9175 2008-01-18  Ian Lance Taylor  <iant@google.com>
9176
9177         * common.opt: Add fmerge-debug-strings.
9178         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
9179         flag_merge_debug_strings rather than flag_merge_constants.
9180         * doc/invoke.texi (Option Summary): Mention
9181         -fmerge-debug-strings.
9182         (Debugging Options): Document -fmerge-debug-strings.
9183
9184 2008-01-18  Ian Lance Taylor  <iant@google.com>
9185
9186         PR c++/33407
9187         * tree.h (DECL_IS_OPERATOR_NEW): Define.
9188         (struct tree_function_decl): Add new field operator_new_flag.
9189         * tree-inline.c (expand_call_inline): When inlining a call to
9190         operator new, force the return value to go into a variable, and
9191         set DECL_NO_TBAA_P on that variable.
9192         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
9193
9194 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
9195
9196         PR debug/34484
9197         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
9198         DWARF2_DEBUGGING_INFO.
9199         (dwarf2out_note_section_used): Ditto.  Add prototype.
9200         (have_multiple_function_sections, text_section_used,
9201         cold_text_section_used, *cold_text_sections): Move declarations
9202         before their uses.
9203
9204 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
9205
9206         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
9207         field and add signal_ra.
9208         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
9209         assignments to frame state pc.  Move end of stack check after
9210         MD_FALLBACK_FRAME_STATE_FOR.
9211         (uw_update_context_1): Use frame state signal_regs if set, instead
9212         of checking signal_frame flag.
9213         (uw_update_context): Use frame state signal_ra if set.
9214         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
9215         * config/xtensa/linux-unwind.h: New file.
9216
9217 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
9218
9219         * modulo-sched.c (get_sched_window): Fix comment typo.
9220
9221 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
9222
9223         PR tree-optimization/34648
9224         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
9225
9226 2008-01-17  Anatoly Sokolov <aesok@post.ru>
9227
9228         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
9229         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
9230
9231 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
9232
9233         PR rtl-optimization/34400
9234         * df-core.c (df_worklist_dataflow_overeager,
9235         df_worklist_dataflow_doublequeue): New functions.
9236         (df_worklist_dataflow): Two different worklist solvers.
9237         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
9238         New param.
9239
9240 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9241
9242         PR testsuite/34821
9243         * doc/invoke.texi: Document the dependence on pthread for fopenmp
9244         and ftree-parallelize-loops.
9245
9246 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
9247
9248         PR rtl-optimization/34826
9249         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
9250
9251 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
9252
9253         * global.c (find_reg): Mark the eh regs as used if necessary.
9254         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
9255         * ra.h (struct allocno): no_eh_reg field added.  Changed
9256         no_stack_reg type to bitfield.
9257
9258 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
9259
9260         * tree.c (substitute_in_expr): Add missing 'break'.
9261
9262 2008-01-17  Richard Guenther  <rguenther@suse.de>
9263
9264         PR tree-optimization/34825
9265         * tree-ssa-math-opts.c (is_division_by): Do not recognize
9266         x / x as division to handle.
9267
9268 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9269
9270         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
9271         "-pthread" is specified.
9272         * pa-hpux11.h (LIB_SPEC): Likewise.
9273
9274 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
9275             Peter Bergner  <bergner@vnet.ibm.com>
9276
9277         PR rtl-optimization/33796
9278         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
9279
9280 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9281
9282         PR libgfortran/34699
9283         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
9284         static links.
9285         * pa-hpux10.h (LINK_SPEC): Likewise.
9286         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
9287
9288 2008-01-16  Richard Guenther  <rguenther@suse.de>
9289
9290         PR middle-end/32628
9291         * fold-const.c (fold_convert_const_int_from_int): Do not
9292         set overflow if that occured only because of a sign extension
9293         change when converting from/to a sizetype with the same
9294         precision and signedness.
9295
9296 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
9297
9298         PR debug/34249
9299         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
9300         location address to the correct place.  Update copyright year.
9301
9302 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9303
9304         * lambda-code.c (lambda_transform_legal_p): Handle the case of
9305         no dependences in the dependence_relations vector.
9306
9307 2008-01-16  Jan Hubicka  <jh@suse.cz>
9308
9309         PR rtl-optimization/31396
9310         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
9311         * cfg.c (dump_reg_info): Print it.
9312         * regs.h (struct reg_info_t): add freq_calls_crossed.
9313         (REG_FREQ_CALLS_CROSSED): New macro.
9314         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
9315         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
9316         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
9317         regmove_optimize): Update call crossed frequencies.
9318         * local-alloc.c (struct qty): Add freq_calls_crossed.
9319         (alloc_qty): Copute freq_calls_crossed.
9320         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
9321         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
9322         * ra.h (struct allocno): Add freq_calls_crossed.
9323
9324 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9325
9326         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
9327         libgomp when compiling with ftree-parallelize-loops.
9328         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
9329
9330 2008-01-16  Richard Guenther  <rguenther@suse.de>
9331
9332         PR tree-optimization/34769
9333         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
9334         * tree.c (int_cst_value): Instead make this function more
9335         permissive in what it accepts as valid input.  Document this
9336         function always sign-extends the value.
9337
9338 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
9339             Richard Guenther  <rguenther@suse.de>
9340
9341         PR c/34668
9342         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
9343         (gimple_fold_indirect_ref_rhs): ... this.
9344         (gimple_fold_indirect_ref): New function with foldings
9345         that preserve lvalueness.
9346         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
9347         * tree-flow.h (gimple_fold_indirect_ref): Declare.
9348         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
9349         to fold an INDIRECT_REF, fall back to the old use of
9350         fold_indirect_ref_1.
9351
9352 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9353
9354         * tree-data-ref.c (subscript_dependence_tester_1): Call 
9355         free_conflict_function.
9356         (compute_self_dependence): Same.
9357
9358 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
9359
9360         PR debug/34249
9361         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
9362         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
9363         function global.
9364         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
9365         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
9366         for DWARF2_UNWIND_INFO targets.
9367
9368 2008-01-16  Richard Guenther  <rguenther@suse.de>
9369
9370         PR c/34768
9371         * c-typeck.c (common_pointer_type): Do not merge inconsistent
9372         type qualifiers for function types.
9373
9374 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
9375
9376         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
9377         loop_iterator li from previous commit.
9378
9379 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
9380
9381         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
9382
9383 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
9384
9385         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
9386         (parallelize_loops): Don't parallelize irreducible components.
9387
9388 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9389
9390         PR c++/24924
9391         * c-opts (c_common_post_options): Do not enable CPP
9392         flag_pedantic_errors by default.
9393         
9394 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
9395
9396         PR rtl-optimization/31944
9397         * cse.c (remove_pseudo_from_table): New function.
9398         (merge_equiv_classes): Use above function to remove pseudo-registers.
9399         (invalidate): Likewise.
9400
9401 2008-01-13  Richard Guenther  <rguenther@suse.de>
9402
9403         PR middle-end/34601
9404         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
9405         instead of TYPE_MODE to deal with calls from expand_one_error_var.
9406
9407 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
9408
9409         * gcse.c (cprop_jump): Call validate_unshare_change instead of
9410         validate_change to unshare the source of the PC set.
9411
9412 2008-01-12  Jan Hubicka  <jh@suse.cz>
9413
9414         PR middle-end/32135
9415         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
9416         references above array bounds.  This might trigger bounds checks for
9417         pointers to arrays.
9418
9419 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
9420
9421         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
9422         new_replaceable_dependencies.
9423
9424 2008-01-12  Doug Kwan  <dougkwan@google.com>
9425
9426         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
9427         instead of OPT_Wreturn_type in warning due to ignored return type
9428         qualifiers.
9429         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
9430         options included in -Wextra.
9431         * c.opt: New option -Wignored_qualifiers.
9432         * doc/invoke.texi (Warning Options, -Wextra): Add new option
9433         -Wignore_qualifiers.
9434         (-Wignored-qualifiers): Document.
9435         (-Wreturn-type): Remove description of functionality now handled
9436         by -Wignored-qualifiers.
9437
9438 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
9439
9440         PR ada/33788
9441         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
9442         NOP_EXPR if it is between integral types with the same precision.
9443
9444 2008-01-12  Jan Hubicka  <jh@suse.cz>
9445
9446         PR other/28023
9447         * invoke.texi (max-inline-recursive-depth): Fix default value.
9448
9449 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
9450
9451         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
9452         correct type.
9453
9454 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
9455         
9456         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
9457         
9458 2008-01-11  James E. Wilson  <wilson@specifix.com>
9459
9460         PR target/26015
9461         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
9462
9463 2008-01-11  Anatoly Sokolov <aesok@post.ru>
9464
9465         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
9466         save/restore frame pointer register and don't use 'call-prologues' 
9467         optimization in function with "OS_task" attribute.
9468
9469 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
9470
9471         PR middle-end/31309
9472         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
9473         when copying to memory.
9474
9475 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
9476
9477         PR rtl-optimization/30905
9478         * cfgcleanup.c: Include dce.h
9479         (crossjumps_occured): New global variable.
9480         (try_crossjump_bb): Exit loop after finding a fallthru edge.
9481         If something changed, set crossjumps_occured to true.
9482         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
9483         Don't add/remove fake edges to exit here...
9484         (cleanup_cfg): ...but do it here, when crossjumping.
9485         Run a fast DCE when successful crossjumps occured in the latest
9486         iteration of try_optimize_cfg.
9487
9488 2008-01-11  Richard Guenther  <rguenther@suse.de>
9489
9490         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
9491         (struct vn_unary_op_s): Likewise.
9492         (vn_reference_insert): Free old reference on hash collision.
9493
9494 2008-01-10  Raksit Ashok  <raksit@google.com>
9495
9496         PR rtl-optimization/27971
9497         * combine.c (find_split_point): Split PLUS expressions which are
9498         inside a MEM rtx, and whose first operand is complex.
9499
9500 2008-01-10  DJ Delorie  <dj@redhat.com>
9501
9502         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
9503         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
9504         (m32c_hard_regno_ok): Call the underlying function.
9505
9506 2008-01-10  Richard Guenther  <rguenther@suse.de>
9507
9508         PR middle-end/34683
9509         * tree-cfg.c (tree_merge_blocks): Do not go through the
9510         full-blown folding and stmt updating path if we just deal
9511         with virtual operands.
9512         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
9513         test for abnormal SSA_NAMEs.
9514
9515 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
9516
9517         PR middle-end/34641
9518         * reload.c (push_reload): Add assertions.  All constants from
9519         reg_equiv_constant should have been used for replacing the respective
9520         pseudo earlier.
9521         (find_reloads_address): Invoke find_reloads_address_part for
9522         constant taken from the reg_equiv_constant array.
9523
9524 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
9525
9526         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
9527         field (valnum) the first in the struct.  Replace bools with
9528         unit bit fields.
9529
9530 2008-01-10  Richard Guenther  <rguenther@suse.de>
9531
9532         PR tree-optimization/34651
9533         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
9534         types and ordering for masking and converting.
9535
9536 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
9537
9538         PR tree-optimization/34017
9539         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
9540         also for PHI_NODE expressions.
9541
9542 2008-01-09  Jan Hubicka  <jh@suse.cz>
9543
9544         PR tree-optimization/34708
9545         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
9546         based on number of case labels.
9547         (init_inline_once): Remove switch_cost.
9548         * tree-inline.h (eni_weights_d): Remove switch_cost.
9549
9550 2008-01-09  Richard Guenther  <rguenther@suse.de>
9551         Andrew Pinski  <andrew_pinski@playstation.sony.com>
9552
9553         PR middle-end/30132
9554         * gimplify.c (gimplify_cond_expr): Do not create an addressable
9555         temporary if an rvalue is ok or an lvalue is not required.
9556
9557 2008-01-09  Richard Guenther  <rguenther@suse.de>
9558
9559         PR middle-end/34458
9560         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
9561         adjust return type.
9562
9563 2008-01-09  Richard Guenther  <rguenther@suse.de>
9564
9565         PR middle-end/34679
9566         * tree.c (host_integerp): Check for sizetype only if the
9567         type is an integer type.
9568
9569 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
9570
9571         PR debug/26364
9572         * opts.c (decode_options): Disable inlining of functions called
9573         once if not in unit-at-a-time mode.
9574
9575 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
9576
9577         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
9578
9579 2008-01-08  Richard Guenther  <rguenther@suse.de>
9580
9581         PR middle-end/31863
9582         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
9583         out early if the result will be unused.
9584
9585 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
9586
9587         PR target/34709
9588         Revert:
9589
9590         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
9591         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
9592         for TARGET_RECIP.       
9593         
9594 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
9595         
9596         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
9597         for vectorization tuned.
9598         
9599 2008-01-08  Richard Guenther  <rguenther@suse.de>
9600
9601         PR tree-optimization/34683
9602         * tree-ssa-operands.c (operand_build_cmp): Export.
9603         * tree-ssa-operands.h (operand_build_cmp): Declare.
9604         * tree-vn.c (vuses_compare): Remove.
9605         (sort_vuses): Use operand_build_cmp.
9606         (sort_vuses_heap): Likewise.
9607         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
9608         to re-use old VEC if available.  Do not sort already sorted VUSEs.
9609         (vdefs_to_vec): Do not sort already sorted VDEFs.
9610
9611 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
9612
9613         PR middle-end/34694
9614         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
9615
9616 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
9617
9618         PR target/34702
9619         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
9620         limitations of reciprocal sequences on x86 targets.
9621
9622 2008-01-08  Richard Guenther  <rguenther@suse.de>
9623
9624         PR tree-optimization/34683
9625         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
9626
9627 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
9628
9629         PR target/34622
9630         * config/darwin.c (darwin_mergeable_string_section): Don't use
9631         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
9632
9633 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
9634
9635         PR target/34682
9636         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
9637         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
9638         predicates of op0 and op1 to register_operand.
9639         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
9640         expander using X87MODEF mode iterator.  Change predicates of
9641         op0 and op1 to register_operand.
9642         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
9643         corresponding patterns and macroize using MODEF macro.  Change
9644         predicates of op0 and op1 to register_operand and remove
9645         "m" constraint. Disparage "r" alternative with "!".
9646         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
9647         macroize using X87MODEF macro.  Change predicates of op0 and op1
9648         to register_operand and remove "m" constraint.  Disparage "r"
9649         alternative with "!".
9650         (absneg splitter with memory operands): Remove.
9651         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
9652         patterns and macroize using X87MODEF mode iterator.
9653         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
9654         Change predicate of op1 to register_operand.
9655         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
9656         for memory operands.
9657
9658 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
9659
9660         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
9661
9662 2008-01-07  Richard Guenther  <rguenther@suse.de>
9663
9664         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
9665         fields.
9666
9667 2008-01-07  Richard Guenther  <rguenther@suse.de>
9668
9669         PR tree-optimization/34683
9670         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
9671         VOPs of the needed size to save memory.  Use VEC_quick_push
9672         to save compile-time.
9673         (vdefs_to_vec): Likewise.
9674
9675 2008-01-07  Sa Liu  <saliu@de.ibm.com>
9676
9677         * config/spu/spu.md (divdf3): Genetate inline code for double
9678         division.  The implementation doesn't handle INF or NAN, therefore it
9679         only applies when -ffinite-math-only is given.
9680
9681 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
9682
9683         PR libstdc++/34680
9684         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
9685         * doc/cpp.texi ([Common Predefined Macros]): Document.
9686
9687 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
9688
9689         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
9690         order to use commutative addition instead of subtraction.
9691
9692 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9693             Mircea Namolaru  <namolaru@il.ibm.com>
9694             Vladimir Yanovsky  <yanov@il.ibm.com>
9695             Revital Eres  <eres@il.ibm.com>
9696
9697         PR tree-optimization/34263
9698         * tree-outof-ssa.c (process_single_block_loop_latch,
9699         contains_tree_r): New functions.
9700         (analyze_edges_for_bb): Call process_single_block_loop_latch
9701         function to empty single-basic-block latch block if possible.
9702
9703 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
9704
9705         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
9706         for TARGET_RECIP.
9707         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
9708
9709 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
9710
9711         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
9712
9713 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
9714
9715         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
9716
9717 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
9718
9719         PR tree-optimization/34618
9720         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
9721         flag from T.
9722
9723 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
9724
9725         PR target/34673
9726         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
9727         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
9728         Update copyright year.
9729
9730         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
9731         Update copyright year.
9732         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
9733         using NR fixup.
9734
9735 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
9736
9737         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
9738         edge does not point to current bb before changing need_assert.
9739
9740 2008-01-04  Richard Guenther  <rguenther@suse.de>
9741
9742         PR middle-end/34029
9743         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
9744         for verifying purposes if they are is_gimple_min_invariant.
9745
9746 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
9747
9748         PR tree-optimization/34448
9749         PR tree-optimization/34465
9750         * gimplify.c (gimplify_init_constructor): Add new parameter
9751         notify_temp_creation.  Use it.
9752         (gimplify_modify_expr_rhs): Take volatiles into account when
9753         optimizing constructors.
9754         Do not optimize constructors if gimplify_init_constructor will dump to
9755         memory.
9756         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
9757         * gcc.c-torture/compile/pr34448.c: New.
9758
9759 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
9760
9761         PR gcov-profile/34609
9762         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
9763         return_slot if result is TREE_ADDRESSABLE.
9764
9765 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
9766
9767         * config/mips/mips.md (sqrt_condition): Tweak comment.
9768         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
9769
9770 2008-01-03  Tom Tromey  <tromey@redhat.com>
9771
9772         PR c/34457
9773         * c-common.c (c_type_hash): Handle VLAs.
9774
9775 2008-01-03  Jan Hubicka  <jh@suse.cz>
9776
9777         PR tree-optimization/31081
9778         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
9779         0 when inlining and not inlining to first basic block.
9780         (remap_decl): When var is initialized to 0, don't set default_def.
9781         (expand_call_inline): Set entry_bb.
9782         * tree-inline.h (copy_body_data): Add entry_bb.
9783
9784 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
9785
9786         PR c++/34619
9787         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
9788         before returning.
9789
9790         PR tree-optimization/29484
9791         * tree-inline.c (inline_forbidden_p_2): New function.
9792         (inline_forbidden_p): Disallow inlining if some static var
9793         has an address of a local LABEL_DECL in its initializer.
9794         * doc/extend.texi (Labels as Values): Document &&foo behaviour
9795         vs. inlining.
9796
9797 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
9798
9799         PR tree-optimization/34635
9800         * tree-data-ref.c (add_other_self_distances): Make sure that the
9801         evolution step is constant.
9802
9803 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
9804
9805         PR middle-end/34608
9806         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
9807
9808 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
9809
9810         * tree-sra.c (scalarize_init): Insert the generate_element_init
9811         statements after the generate_element_zero statements.
9812
9813 2008-01-02  Richard Guenther  <rguenther@suse.de>
9814
9815         PR middle-end/34093
9816         PR middle-end/31976
9817         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
9818         for very large number of operands instead of ICEing.
9819
9820 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
9821
9822         PR target/34013
9823         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
9824         while stack probing.
9825
9826 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
9827
9828         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
9829         in C++0x mode.
9830
9831 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
9832
9833         PR libmudflap/26442
9834         * tree-mudflap.c (mx_register_decls): Guard warning by
9835         !DECL_ARTIFICIAL check.
9836
9837 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
9838
9839         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
9840         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
9841         sse5_perm<mode>): Fix constraints.