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1 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
2
3         * config/bfin/bfin.md (loadbytes): New pattern.
4         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
5         (bfin_init_builtins): Initialize it.
6         (bdesc_1arg): Add it.
7
8 2008-05-15  Sa Liu  <saliu@de.ibm.com>
9
10         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
11         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
12         * testsuite/lib/target-supports.exp: Add
13         check_effective_target_fortran_integer_16.
14
15 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
16
17         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
18         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
19         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
20         (TARGET_RETURN_IN_MEMORY): Define.
21
22 2008-05-15  Richard Guenther  <rguenther@suse.de>
23
24         PR middle-end/36244
25         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
26         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
27         represent unmodifiable vars.
28
29 2008-05-15  Richard Guenther  <rguenther@suse.de>
30
31         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
32         INDIRECT_REF and TARGET_MEM_REF.
33         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
34         TARGET_MEM_REF.
35
36 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
37             H.J. Lu  <hongjiu.lu@intel.com>
38
39         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
40         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
41         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
42         insn alternatives.  Add missing alternatives.
43         (*vec_concatv2di_rex64_sse4_1): Likewise.
44         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
45         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
46         Require TARGET_SSE.
47
48 2008-05-15  Richard Guenther  <rguenther@suse.de>
49
50         PR tree-optimization/36009
51         PR tree-optimization/36204
52         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
53         (determine_invariantness_stmt): Record the loop a store is
54         always executed in.
55         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
56         dependency.
57
58 2008-05-15  Richard Guenther  <rguenther@suse.de>
59
60         PR tree-optimization/34330
61         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
62         through the pointer will alias the SMT.
63
64 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
65
66         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
67
68 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
69
70         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
71
72 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
73             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
74
75         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
76         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
77         (vashl_optab): New optab for vector/vector shifts.
78         (vashr_optab): Ditto.
79         (vlshr_optab): Ditto.
80         (vrotl_optab): Ditto.
81         (vrotr_optab): Ditto.
82         (optab_subtype): New enum for optab_for_tree_code call.
83         (optab_for_tree_code): Add enum optab_subtype argument.
84
85         * optabs.c (optab_for_tree_code): Take an additional argument to
86         distinguish between a vector shift by a scalar and vector shift by
87         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
88         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
89         vector shift by a vector.
90         (expand_widen_pattern_expr): Pass additional argument to
91         optab_for_tree_code.
92
93         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
94         vrotl_optab, vrotr_optab.
95
96         * expr.c (expand_expr_real_1): Update calls to
97         optab_for_tree_code to distinguish between vector shifted by a
98         scalar and vector shifted by a vector.
99         * tree-vectorizer.c (supportable_widening_operation): Ditto.
100         (supportable_narrowing_operation): Ditto.
101         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
102         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
103         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
104         (vect_create_epilog_for_reduction): Ditto.
105         (vectorizable_reduction): Ditto.
106         (vectorizable_operation): Ditto.
107         (vect_strided_store_supported): Ditto.
108         (vect_strided_load_supported): Ditto.
109         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
110         * expmed.c (expand_shift): Ditto.
111
112         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
113         scalar type.
114         (ashr@var{m}3): Ditto.
115         (vashl@var{m}3): Document new vector/vector shift standard name.
116         (vashr@var{m}3): Ditto.
117         (vlshr@var{m}3): Ditto.
118         (vrotl@var{m}3): Ditto.
119         (vrotr@var{m}3): Ditto.
120
121         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
122         (PPERM_INVERT): Ditto.
123         (PPERM_REVERSE): Ditto.
124         (PPERM_REV_INV): Ditto.
125         (PPERM_ZERO): Ditto.
126         (PPERM_ONES): Ditto.
127         (PPERM_SIGN): Ditto.
128         (PPERM_INV_SIGN): Ditto.
129         (PPERM_SRC1): Ditto.
130         (PPERM_SRC2): Ditto.
131
132         * config/i386/sse.md (mulv2di3): Add SSE5 support.
133         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
134         allows a memory operand to be the value being added, and split it
135         to improve vectorization.
136         (sse5_pmacsdqh_mem): Ditto.
137         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
138         (sse5_mulv2div2di3_high): Ditto.
139         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
140         (vec_pack_trunc_v4si): Ditto.
141         (vec_pack_trunc_v2di): Ditto.
142         (sse5_pcmov_<mode>): Remove code that tried to use use
143         andps/andnps instead of pcmov.
144         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
145         pmacsdqh instructions.
146         (vec_widen_smult_lo_v4si): Ditto.
147
148         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
149         (PPERM_INVERT): Ditto.
150         (PPERM_REVERSE): Ditto.
151         (PPERM_REV_INV): Ditto.
152         (PPERM_ZERO): Ditto.
153         (PPERM_ONES): Ditto.
154         (PPERM_SIGN): Ditto.
155         (PPERM_INV_SIGN): Ditto.
156         (PPERM_SRC1): Ditto.
157         (PPERM_SRC2): Ditto.
158         (ix86_expand_sse_movcc): Move the SSE5 test after the if
159         true/false tests.
160         (ix86_expand_int_vcond): If SSE5 generate all possible integer
161         comparisons.
162         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
163         says ignore whether the last reference is a memory operand.
164
165 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
166             Paolo Bonzini <bonzini at gnu dot org>
167
168         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
169         shift patterns.
170
171         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
172         (vlshr<mode>3): Rename from vlshr<mode>3.
173         (vashr<mode>3): Rename from vashr<mode>3.
174         (mulv4sf3): Change the names of vector shift patterns.
175         (mulv4si3): Ditto.
176         (negv4sf2): Ditt.
177
178         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
179         shift insns.
180
181         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
182         (SI_SHLHI): Ditto.
183         (SI_SHL): Ditto.
184         (SI_SHLI): Ditto.
185         (SI_ROTH): Ditto.
186         (SI_ROTHI): Ditto.
187         (SI_ROT): Ditto.
188         (SI_ROTI): Ditto.
189         (SPU_RL_0): Ditto.
190         (SPU_RL_1): Ditto.
191         (SPU_RL_2): Ditto.
192         (SPU_RL_3): Ditto.
193         (SPU_RL_4): Ditto.
194         (SPU_RL_5): Ditto.
195         (SPU_RL_6): Ditto.
196         (SPU_RL_7): Ditto.
197         (SPU_SL_0): Ditto.
198         (SPU_SL_1): Ditto.
199         (SPU_SL_2): Ditto.
200         (SPU_SL_3): Ditto.
201         (SPU_SL_4): Ditto.
202         (SPU_SL_5): Ditto.
203         (SPU_SL_6): Ditto.
204         (SPU_SL_7): Ditto.
205
206         * config/spu/spu.md (v): New iterator macro to add v for vector types.
207         (floatunssidf2_internal): Change vector/vector shift names.
208         (floatunsdidf2_internal): Ditto.
209         (mulv8hi3): Ditto.
210         (ashrdi3): Ditto.
211         (ashrti3): Ditto.
212         (cgt_df): Ditto.
213         (cgt_v2df): Ditto.
214         (dftsv): Ditto.
215         (vashl<mode>3): Rename from ashl<mode>3.
216         (vashr<mode>3): Rename from ashr<mode>3.
217         (vlshr<mode>3): Rename from lshr<mode>3.
218         (vrotl<mode>3): Rename from rotl<mode>3.
219
220 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
221
222         PR target/36224
223         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
224         multiply gives the wrong value when doing widening multiplies.
225         (vec_widen_smult_lo_v4si): Ditto.
226
227 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
228
229         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
230         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
231         emit_library_call_value. 
232         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
233         * tree.h (ECF_LIBCALL_BLOCK): Removed.
234         * calls.c (initialize_argument_information, precompute_arguments, 
235         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
236         (precompute_arguments): Removed flags parameter.
237         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
238         
239 2008-05-14  Richard Guenther  <rguenther@suse.de>
240
241         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
242         Make sure to register the store if the use is a PHI_NODE.
243
244 2008-05-14  Olivier Hainque  <hainque@adacore.com>
245
246         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
247         memory if the component is to be referenced in BLKmode according
248         to get_inner_reference.
249
250 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
251
252         * calls.c (emit_library_call_value_1): Restore code clearing
253         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
254
255 2008-05-14  Olivier Hainque  <hainque@adacore.com>
256             Nicolas Roche  <roche@adacore.com>
257
258         * configure.ac: Add support for a "gcc_subdir" variable in
259         config-lang.in, to denote a subdirectory where the language/GCC
260         integration files are to be found.
261         * configure: Regenerate.
262
263 2008-05-14  Ira Rosen  <irar@il.ibm.com>
264
265         PR tree-optimization/36098
266         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
267         value for the first load in the group in case of a gap.
268         (vect_build_slp_tree): Check that there are no gaps in loads.
269
270 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
271
272         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
273         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
274         expand_copysign_bit, ): Change call to emit_no_conflict_block to
275         emit_insn and remove unneeded code to construct extra args.
276         (emit_no_conflict_block): Removed.
277         * optabls.h: (emit_no_conflict_block): Removed.
278         * cse.c (cse_extended_basic_block): Remove search for
279         REG_NO_CONFLICT note.
280         * global.c: Removed incorrect comment added in revision 117.
281         * expr.c (convert_move): Change call to emit_no_conflict_block to
282         emit_insn.
283         * recog.c: Change comments so that they do not mention
284         REG_NO_CONFLICT.
285         * local_alloc.c (combine_regs): Removed last parameter.
286         (no_conflict_p): Removed.
287         (block_alloc): Removed note, no_conflict_combined_regno and set
288         local vars. Removed all code to process REG_NO_CONFLICT blocks.
289         (combine_regs): Removed already_dead and code to look for
290         REG_NO_CONFLICT notes.
291         * lower_subreg (remove_retval_note): Removed code to look for
292         REG_NO_CONFLICT block.
293         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
294         (resolve_clobber): Remove code to process libcalls that have
295         REG_NO_CONFLICT notes.
296         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
297         case.
298         * combine.c (can_combine_p, distribute_notes):  Removed
299         REG_NO_CONFLICT case.
300         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
301         to emit_insns.
302         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
303         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
304         Ditto.
305         * reg-notes.def (NO_CONFLICT): Removed.
306
307 2008-05-14  David S. Miller  <davem@davemloft.net>
308
309         * config/sparc/sparc.c (sparc_profile_hook): If
310         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
311         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
312         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
313
314 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
315
316         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
317
318 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
319
320         PR target/36222
321         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
322         and op1 expansion before vector concat to have less live pseudos.
323
324 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
325
326         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
327         ix86_expand_vector_set if supported.
328
329 2008-05-13  Diego Novillo  <dnovillo@google.com>
330             Kenneth Zadeck  <zadeck@naturalbridge.com>
331
332         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
333
334         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
335         phinodes_print_statistics, init_ssanames, fini_ssanames,
336         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
337         release_ssa_name, release_defs, replace_ssa_name_symbol,
338         ssanames_print_statistics): Move ...
339         * tree-flow.h: ... here.
340         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
341         Use FN instead of cfun.
342         (make_ssa_name_fn): Rename from make_ssa_name.
343         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
344         * tree-flow-inline.h (make_ssa_name): Move from
345         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
346         * omp-low.c (expand_omp_parallel):
347         * tree-flow-inline.h (redirect_edge_var_map_result):
348         * tree-ssa.c (init_tree_ssa): Add argument FN.
349         Use it instead of cfun.  Update all users.
350
351 2008-05-13  Tom Tromey  <tromey@redhat.com>
352
353         PR preprocessor/22168:
354         * doc/cpp.texi (Top): Update menu.
355         (Alternatives to Wrapper #ifndef): New node.
356         (Other Directives): Document deprecation.
357         (Obsolete Features): Remove menu.
358         (Assertions): Merge node into Obsolete Features.
359         (Obsolete once-only headers): Move earlier; rename to Alternatives
360         to Wrapper #ifndef.
361         * doc/cppopts.texi: Update.
362         * c.opt (Wdeprecated): Enable for C and ObjC.
363         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
364         (C++ Dialect Options): Move -Wno-deprecated from here to...
365         (Warning Options): ... here.
366
367 2008-05-13  Richard Guenther  <rguenther@suse.de>
368
369         PR middle-end/36227
370         * fold-const.c (fold_sign_changed_comparison): Do not allow
371         changes in pointer-ness.
372
373 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
374
375         PR target/24713
376         * config/sh/sh.c (sh_expand_prologue): Don't clear
377         RTX_FRAME_RELATED_P for push insns.
378
379 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
380
381         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
382
383 2008-05-12  Anatoly Sokolov <aesok@post.ru>
384
385         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
386         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
387         Use 'machine->is_leaf' instead of 'leaf_func_p'.
388
389 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
390
391         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
392         (*vec_concatv4sf_sse): This.
393         (*sse2_concatv2si): Renamed to ...
394         (*vec_concatv2si_sse2): This.
395         (*sse1_concatv2si): Renamed to ...
396         (*vec_concatv2si_sse): This.
397         (*vec_concatv2di_rex): Renamed to ...
398         (*vec_concatv2di_rex64): This.
399         (*vec_concatv2si_sse4_1): New.
400         (*vec_concatv2di_rex64_sse4_1): Likewise.
401
402 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
403
404         PR rtl-optimization/36111
405         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
406         that was created for swappable operands.
407
408 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
409
410         PR ada/36001
411         * Makefile.in: Substitute GNATMAKE and GNATBIND.
412         * configure.ac: Add call to ACX_PROG_GNAT.
413
414 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
415
416         * optc-gen.awk: Fix comment typo.
417
418 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
419
420         * pretty-print.c (pp_integer_with_precision): Use
421         HOST_LONG_LONG_FORMAT.
422
423 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
424
425         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
426                 
427 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
428
429         * config/i386/i386.c (bdesc_ptest): Removed.
430         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
431         (bdesc_args): Add __builtin_ia32_ptestz128,
432         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
433         (ix86_init_mmx_sse_builtins): Updated.
434         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
435         (ix86_expand_builtin): Updated.
436
437 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
438
439         * tree-cfg.c (valid_fixed_convert_types_p): New function.
440         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
441
442 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
443
444         * value-prof.c (interesting_stringop_to_profile): Do not
445         return early for BUILT_IN_MEMPCPY.
446
447 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
448
449         * calls.c (expand_call): Don't use callgraph to increase
450         preferred_stack_boundary.
451
452         * cgraph.h (cgraph_rtl_info): Use unsigned on
453         preferred_incoming_stack_boundary.
454
455         * final.c (rest_of_clean_state): Use unsigned on
456         preferred_stack_boundary.
457
458 2008-05-09  Tom Tromey  <tromey@redhat.com>
459
460         PR preprocessor/22231:
461         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
462         proceeding.
463
464 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
465
466         PR tree-optimization/36129
467         * tree-ssa-ccp.c: Include value-prof.h.
468         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
469         built-in function was folded to a constant.
470         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
471
472 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
473             Sebastian Pop  <sebastian.pop@amd.com>
474
475         * tree-scalar-evolution.c: Document instantiate_scev.
476         (instantiate_parameters_1): Renamed instantiate_scev_1.
477         Don't use the same loop for instantiation_loop and evolution_loop.
478         (instantiate_scev): New.
479         (instantiate_parameters): Moved...
480         (resolve_mixers): Update call to instantiate_scev_1 to pass the
481         same loop twice.  Maintains the semantics for this function.
482         * tree-scalar-evolution.h (instantiate_scev): Declare.
483         (instantiate_parameters): ...here.  Now static inline.
484         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
485         instead of resolve_mixers.
486
487 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
488
489         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
490
491 2008-05-09  Tomas Bily  <tbily@suse.cz>
492
493         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
494         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
495         * tree-ssa-structalias.c (get_constraint_for): Likewise.
496         * c-common.c (c_common_truthvalue_conversion): Likewise.
497         * tree-object-size.c (compute_object_offset): Likewise.
498         * tree-inline.c (estimate_num_insns_1): Likewise.
499         * varasm.c (const_hash_1, compare_constant, copy_constant)
500         (compute_reloc_for_constant, output_addressed_constants)
501         (initializer_constant_valid_p): Likewise.
502         * c-omp.c (check_omp_for_incr_expr): Likewise.
503         * gimplify.c (gimplify_expr): Likewise.
504         * c-typeck.c (c_finish_return): Likewise.
505         * tree-vectorizer.c (supportable_widening_operation)
506         (supportable_narrowing_operation): Likewise.
507         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
508         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
509         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
510         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
511         (descr_info_loc): Likewise.
512         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
513         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
514         (fold_unary): Likewise.
515         * builtins.c (get_pointer_alignment): Likewise.
516         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
517         (instantiate_parameters_1): Likewise.
518         * tree.c (expr_align, stabilize_reference): Likewise.
519         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
520         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
521         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
522         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
523         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
524         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
525         Likewise.
526         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
527         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
528         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
529         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
530         (forward_propagate_comparison)
531         (tree_ssa_forward_propagate_single_use_vars): Likewise.
532         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
533         * emit-rtl.c (component_ref_for_mem_expr)
534         (set_mem_attributes_minus_bitpos): Likewise.
535         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
536         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
537         Likewise.
538         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
539         (build_function_call, pointer_diff, build_compound_expr)
540         (c_finish_return): Likewise.
541         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
542         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
543         Likewise.
544         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
545         * expr.c (is_aligning_offset): Likewise.
546         * tree-ssa-alias.c (is_escape_site): Likewise.
547         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
548         (check_all_va_list_escapes): Likewise.
549         * tree-ssa-loop-ivopts.c (determine_base_object)
550         (determine_common_wider_type): Likewise.
551         * dojump.c (do_jump): Likewise.
552         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
553         * tree-gimple.c (is_gimple_cast): Likewise.
554         * fold-const.c (decode_field_reference, )
555         (fold_sign_changed_comparison, fold_unary, fold_comparison)
556         (fold_binary): Likewise.
557         * tree-ssa-alias-warnings.c (find_alias_site_helper)
558         (already_warned_in_frontend_p): Likewise.
559         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
560         * tree.c (really_constant_p, get_unwidened): Likewise.
561         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
562         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
563         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
564         Likewise.
565         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
566         CONVERT_EXPR_P.
567         (CONVERT_EXPR_P): Define.
568         (CASE_CONVERT): Define.
569         
570 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
571
572         PR middle-end/36117
573         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
574         (delete_unmarked_insns): When deleting a call, call
575         delete_unreachable_blocks.
576         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
577         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
578
579 2008-05-08  Richard Guenther  <rguenther@suse.de>
580
581         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
582         (-ftree-salias): Likewise.
583         (salias-max-implicit-fields): Remove param documentation.
584         (salias-max-array-elements): Likewise.
585         * tree-pass.h (pass_create_structure_vars): Remove.
586         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
587         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
588         * tree-ssa-alias.c (create_structure_vars): Remove.
589         (gate_structure_vars): Likewise.
590         (pass_create_structure_vars): Likewise.
591         (gate_build_alias): Likewise.
592         (pass_build_alias): Adjust to run always and dump the function.
593         * common.opt (ftree-salias): Hide.
594         * passes.c (init_optimization_passes): Remove
595         pass_create_structure_vars, adjust comment.
596         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
597         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
598         * opts.c (decode_options): Do not set flag_tree_salias.
599         (common_handle_option): Add OPT_ftree_salias to the backward
600         compatibility section.
601
602 2008-05-08  Richard Guenther  <rguenther@suse.de>
603
604         * tree-flow-inline.h (var_can_have_subvars): Move ...
605         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
606         * tree-flow.h (var_can_have_subvars): Remove.
607         (push_fields_onto_fieldstack): Remove.
608         (sort_fieldstack): Likewise.
609         (struct fieldoff): Move ...
610         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
611         alias_set and base_for_components fields.
612         (sort_fieldstack): Make static.
613         (push_fields_onto_fieldstack): Likewise.  Remove code that
614         handles anything but RECORD_TYPEs.  Remove alias_set and
615         base_for_components handling.
616         (create_variable_info_for): Adjust.
617
618 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
619
620         * common.opt (Wframe-larger-than=): Shorten the help message
621         to one line.
622         * doc/invoke.texi (Wframe-larger-than=): Add more description.
623
624 2008-05-08  Rafael Espindola  <espindola@google.com>
625
626         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
627         trap.
628         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
629         trap and that both operands are gimple values.
630         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
631         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
632         is a fp operation.
633
634 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
635
636         * read-rtl.c (join_c_conditions): Return the first string if the
637         two strings are equal.
638
639 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
640
641         * gensupport.h (pred_data): Add a "num_codes" field.
642         (add_predicate_code): Declare.
643         * gensupport.c (add_predicate_code): New function.
644         (std_pred_table): Add an "allows_const_p" field.
645         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
646         Remove the (incomplete) list of such codes from the codes field.
647         (init_predicate_table): Use add_predicate_code.  Add all
648         RTX_CONST_OBJs if allows_const_p is true.
649         * genrecog.c (process_define_predicate): Use add_predicate_code.
650
651 2008-05-08  David Daney  <ddaney@avtrex.com>
652             Richard Sandiford  <rsandifo@nildram.co.uk>
653         
654         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
655         special case of constant zero operands.
656         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
657         old and new values.  Special case constant zero values.
658         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
659         fails.
660         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
661         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
662
663 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
664
665         PR target/36090
666         * simplify-rtx.c (simplify_plus_minus): Create CONST of
667         similar RTX_CONST_OBJ before CONST_INT.
668
669 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
670
671         * stmt.c (expand_stack_restore): Change sa mode if needed.
672
673 2008-05-08  Richard Guenther  <rguenther@suse.de>
674
675         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
676         return type to bool.
677         (ix86_sol10_return_in_memory): Likewise.
678         (ix86_i386elf_return_in_memory): Likewise.
679         (ix86_i386interix_return_in_memory): Likewise.
680         * config/i386/i386.c (ix86_return_in_memory): Likewise.
681         (ix86_sol10_return_in_memory): Likewise.
682         (ix86_i386elf_return_in_memory): Likewise.
683         (ix86_i386interix_return_in_memory): Likewise.
684
685 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
686
687         PR bootstrap/36180
688         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
689         fndecl argument.
690         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
691         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
692         declared in front.
693
694 2008-05-08  Richard Guenther  <rguenther@suse.de>
695
696         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
697         * tree-data-ref.h (struct dr_alias): Remove subvars field.
698         (DR_SUBVARS): Remove.
699         * tree-dfa.c (dump_subvars_for): Remove.
700         (debug_subvars_for): Likewise.
701         (dump_variable): Do not dump subvars.
702         (remove_referenced_var): Do not remove subvars.
703         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
704         (lookup_subvars_for_var): Remove.
705         (get_subvars_for_var): Likewise.
706         (get_subvars_at): Likewise.
707         (get_first_overlapping_subvar): Likewise.
708         (overlap_subvar): Likewise.
709         * tree-flow.h (subvar_t): Remove.
710         (struct var_ann_d): Remove subvars field.
711         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
712         argument.  Remove special handling of SFTs.
713         (compute_tag_properties): Likewise.
714         (set_initial_properties): Likewise.
715         (compute_call_clobbered): Likewise.
716         (count_mem_refs): Likewise.
717         (compute_memory_partitions): Likewise.
718         (compute_flow_insensitive_aliasing): Likewise.
719         (setup_pointers_and_addressables): Likewise.
720         (new_type_alias): Likewise.
721         (struct used_part): Remove.
722         (used_portions): Likewise.
723         (struct used_part_map): Likewise.
724         (used_part_map_eq): Likewise.
725         (used_part_map_hash): Likewise.
726         (free_used_part_map): Likewise.
727         (up_lookup): Likewise.
728         (up_insert): Likewise.
729         (get_or_create_used_part_for): Likewise.
730         (create_sft): Likewise.
731         (create_overlap_variables_for): Likewise.
732         (find_used_portions): Likewise.
733         (create_structure_vars): Likewise.
734         * tree.def (STRUCT_FIELD_TAG): Remove.
735         * tree.h (MTAG_P): Adjust.
736         (struct tree_memory_tag): Remove base_for_components and
737         unpartitionable flags.
738         (struct tree_struct_field_tag): Remove.
739         (SFT_PARENT_VAR): Likewise.
740         (SFT_OFFSET): Likewise.
741         (SFT_SIZE): Likewise.
742         (SFT_NONADDRESSABLE_P): Likewise.
743         (SFT_ALIAS_SET): Likewise.
744         (SFT_UNPARTITIONABLE_P): Likewise.
745         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
746         (union tree_node): Remove sft field.
747         * alias.c (get_alias_set): Remove special handling of SFTs.
748         * print-tree.c (print_node): Remove handling of SFTs.
749         * tree-dump.c (dequeue_and_dump): Likewise.
750         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
751         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
752         * tree-predcom.c (set_alias_info): Do not set subvars.
753         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
754         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
755         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
756         (add_vars_for_offset): Remove.
757         (add_virtual_operand): Remove special handling of SFTs.
758         (add_call_clobber_ops): Likewise.
759         (add_call_read_ops): Likewise.
760         (get_asm_expr_operands): Likewise.
761         (get_modify_stmt_operands): Likewise.
762         (get_expr_operands): Likewise.
763         (add_to_addressable_set): Likewise.
764         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
765         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
766         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
767         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
768         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
769         (tree_node_structure): Likewise.
770         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
771         handling of SFTs.
772         (find_what_p_points_to): Likewise.
773
774 2008-05-08  Sa Liu  <saliu@de.ibm.com>
775
776         * config/spu/spu.md: Fixed subti3 pattern.
777
778 2008-05-08  Richard Guenther  <rguenther@suse.de>
779
780         PR middle-end/36154
781         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
782         sure to create a representative for trailing arrays for PTA.
783
784 2008-05-08  Richard Guenther  <rguenther@suse.de>
785
786         PR middle-end/36172
787         * fold-const.c (operand_equal_p): Two objects which types
788         differ in pointerness are not equal.
789
790 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
791
792         * calls.c (compute_argument_block_size): Add argument tree fndecl.
793         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
794         (emit_library_call_value_1): Add new variable fndecl initialized by
795         NULL_TREE. It should be the decl type of orgfun, but this information
796         seems not to be available here, so it uses the default calling abi.
797         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
798         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
799         by TARGET_RETURN_IN_MEMORY.
800         * config/i386/i386-interix.h: Likewise.
801         * config/i386/i386.h: Likewise.
802         * config/i386/i386elf.h: Likewise.
803         * config/i386/ptx4-i.h: Likewise.
804         * config/i386/sol2-10.h: Likewise.
805         * config/i386/sysv4.h: Likewise.
806         * config/i386/vx-common.h: Likewise.
807         * config/cris/cris.h: Removed #if 0 clause.
808         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
809         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
810         argument.
811         (ix86_sol10_return_in_memory): Likewise.
812         (ix86_i386elf_return_in_memory): New.
813         (ix86_i386interix_return_in_memory): New.
814         * config/mt/mt-protos.h (mt_return_in_memory): New.
815         * config/mt/mt.c: Likewise.
816         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
817         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
818         * config/bfin/bfin.h: Likewise.
819         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
820         argument.
821         * config/bfin/bfin.c: Likewise.
822         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
823         * config/alpha/unicosmk.h: Likewise.
824         * config/i386/cygming.h: Likewise.
825         * config/iq2000/iq2000.h: Likewise.
826         * config/mips/mips.h: Likewise.
827         * config/mn10300/mn10300.h: Likewise.
828         * config/rs6000/rs6000.h: Likewise.
829         * config/score/score.h: Likewise.
830         * config/spu/spu.h: Likewise.
831         * config/v850/v850.h: Likewise.
832         * defaults.h: Likewise.
833         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
834         * expr.c (emit_block_move): Adjust use of
835         OUTGOING_REG_PARM_STACK_SPACE.
836         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
837         OUTGOING_REG_PARM_STACK_SPACE.
838         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
839
840 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
841
842         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
843         on OMP_RETURN for OMP_FOR.
844
845         PR debug/35896
846         * dwarf2out.c (dw_expand_expr, common_check): Removed.
847         (fortran_common): New function.
848         (gen_variable_die): Call fortran_common instead of common_check,
849         adjust for it returning tree instead of rtx.  Formatting.
850
851 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
852
853         PR rtl/7335
854         PR rtl/33826
855         * see.c (see_copy_insn): Copy new pure const attributes for new call.
856         * c-decl.c (merge_decls): Ditto.
857         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
858         to RTL_CONST_OR_PURE_CALL_P.
859         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
860         Initialized DECL_LOOPING_CONST_PURE.
861         (process_call_operands): Set tree_side_effects properly.
862         * tree.h (TREE_READONLY_DECL_P): Removed.
863         (DECL_IS_PURE): Renamed to DECL_PURE_P.
864         (DECL_LOOPING_OR_CONST_P): New macro.
865         (struct tree_function_decl): Added looping_const_or_pure_p.
866         (ECF_*) Renumbered.
867         (ECF_LOOPING_OR_CONST_P): New macro.
868         * rtlanal.c (pure_const_p): Removed.
869         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
870         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
871         to RTL_CONST_CALL_P.
872         * ipa-pure-const.c (pure_const_state_e): Added looping field.
873         (check_decl, check_tree, check_call, scan_function): Initialize
874         looping.
875         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
876         (static_execute): Set looping true for recursive functions.
877         Undo setting state to IPA_NEITHER for recursive functions.
878         * cse.c (cse_insn): 
879         * ifcvt.c (noce_can_store_speculate_p): Changed
880         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or 
881         RTL_CONST_OR_PURE_CALL_P.
882         * dse.c (scan_insn): Ditto.
883         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
884         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
885         RTL_CONST_OR_PURE_CALL_P.
886         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
887         pure_call_p to RTL_CONST_CALL_P.
888         * gimplify.c (gimplify_call_expr): Clear side effects for
889         non-looping pure and constant calls.
890         * calls.c (emit_call_1): Set rtl flags from ecf flags.
891         (flags_from_decl_or_type): Set ecf flags from decl flags.
892         (initialize_argument_information): Turn off
893         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
894         Change const to pure if callee_copies is true rather than just
895         turning off const.
896         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
897         way of marking pure calls.
898         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
899         Remove hack that was supposed to fix pr7335 and remove old
900         way of marking pure calls.
901         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
902         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
903         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
904         RTL_CONST_OR_PURE_CALL_P.
905         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
906         * loop-invariant.c (find_exits, find_invariant_bb): Changed
907         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
908         * sched-deps.c (schedule_analyze): Ditto.
909         * rtl.h (struct rtx_def): Use call field, unchanging field, and
910         return_val field of calls to represent pure and const function info.
911         (CONST_OR_PURE_CALL_P): Deleted macro.
912         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
913         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
914         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
915         TREE_READONLY.
916         * tree-optimize.c (execute_fixup_cfg): Added test for
917         ECF_LOOPING_CONST_OR_PURE.
918         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
919         DECL_PURE_P.
920         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
921         effects for looping pure or const calls.
922         (verify_gimple_expr): Added verification code. 
923         * config/alpha/alpha.c (alpha_legitimize_address,
924         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
925         RTL_CONST_CALL_P.
926         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
927         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
928         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
929         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
930         RTL_CONST_OR_PURE_CALL_P.
931         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
932         and const calls to be deleted.
933
934 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
935
936         PR target/35714
937         * config/i386/mmx.md (mmx_subv2sf3): New expander.
938         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
939         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
940         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
941         to handle nonimmediate operands.
942         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
943         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
944         to handle nonimmediate operands.
945         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
946         (mmx_pmulhrwv4hi3): New expander.  Use
947         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
948         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
949         (sse2_umulv1siv1di3): New expander.  Use
950         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
951         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
952         (mmx_eq<mode>3): New expander.  Use
953         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
954         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
955         (mmx_uavgv8qi3): New expander.  Use
956         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
957         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
958         (mmx_uavgv4hi3): New expander.  Use
959         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
960
961         * config/i386/sse.md
962         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
963         to handle nonimmediate operands.
964         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
965         to handle nonimmediate operands.
966         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
967         to handle nonimmediate operands.
968         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
969         to handle nonimmediate operands.
970         (sse2_unpckhpd_exp): New expander.  Use
971         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
972         (sse2_unpcklpd_exp): New expander.  Use
973         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
974         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
975         to handle nonimmediate operands.
976         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
977         to handle nonimmediate operands.
978         (*sse2_<plusminus_insn><mode>3): Rename from
979         sse2_<plusminus_insn><mode>3 insn pattern.
980         (sse2_<plusminus_insn><mode>3): New expander.  Use
981         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
982         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
983         (sse2_umulv2siv2di3): New expander.  Use
984         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
985         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
986         (sse4_1_mulv2siv2di3): New expander.  Use
987         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
988         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
989         (sse2_pmaddwd): New expander.  Use
990         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
991         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
992         (sse2_eq<mode>3): New expander.  Use
993         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
994         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
995         (sse4_1_eqv2di3): New expander.  Use
996         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
997         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
998         (sse2_uavgv16qi3): New expander.  Use
999         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1000         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
1001         (sse2_uavgv16qi3): New expander.  Use
1002         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1003         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
1004         (sse2_uavgv8hi3): New expander.  Use
1005         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1006         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
1007         (ssse3_pmulhrswv8hi3): New expander.  Use
1008         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1009         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
1010         (ssse3_pmulhrswv4hi3): New expander.  Use
1011         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1012
1013         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
1014         (<sse>_vmmul<mode>3): Ditto.
1015         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
1016         (divv2df3): Ditto.
1017         (ssse3_pmaddubsw128): Use register_operand for operand 1.
1018         (ssse3_pmaddubsw): Ditto.
1019
1020         * config/i386/i386.c (struct_builtin_description)
1021         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
1022         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
1023         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
1024         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
1025         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
1026         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
1027         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
1028         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
1029         (ix86_fixup_binary_operands): Assert that src1
1030         and src2 must have the same mode when swapped.
1031         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
1032         and ix86_binary_operator_ok.  Do not force operands in registers
1033         when optimizing.
1034
1035 2008-05-07  Jan Hubicka  <jh@suse.cz>
1036
1037         * cgraph.c (dump_cgraph_node): Update.
1038         * cgraph.h (cgraph_local_info): Break out inline summary.
1039         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
1040         hook.
1041         * ipa-inline (inline_summary): New accestor function.
1042         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
1043         cgraph_decide_inlining, compute_inline_parameters): Update.
1044         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
1045
1046 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
1047
1048         Cleanup ColdFire scheduling support and add V4 pipeline model.
1049
1050         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
1051         (define_attr cpu): Add cfv4 value.
1052         (define_attr type, define_attr type1): Merge into a single 'type'
1053         attribute.  Update all uses.
1054         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
1055         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
1056         Update all uses.
1057         (define_attr opx_mem, define_attr opy_mem): Remove.
1058         (define_attr op_mem): Clean up, update comment.
1059         (define_attr size): Use specific values instead of general int.
1060         (define_attr guess, define_attr split): Remove.  Update all uses.
1061         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
1062         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
1063         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
1064         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
1065         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
1066         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
1067         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
1068         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
1069         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
1070         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
1071         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
1072         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
1073         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
1074         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
1075         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
1076         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
1077         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
1078         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
1079         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
1080         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
1081         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
1082         Update or set attributes.
1083         (stack_tie): New fake instruction.
1084
1085         * config/m68k/m68k.h (TUNE_CFV4): New macro.
1086         (m68k_sched_attr_size): Update declaration.
1087         (m68k_sched_attr_type2): Remove.
1088         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
1089         Declare new bypass predicates.
1090
1091         * config/m68k/m68k.c (m68k_sched_issue_rate,
1092         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
1093         implementations.
1094         (TARGET_SCHED_ISSUE_RATE,
1095         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
1096         (override_options): Handle scheduling for ColdFire V4 core.
1097         (m68k_expand_prologue): Emit stack_tie.
1098         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
1099         'OP_TYPE_FPN'.  Update all uses.
1100         (sched_guess_p): Remove.
1101         (sched_address_type): Handle symbolic addresses.
1102         (sched_get_operand): New static function.
1103         (sched_operand_type): Merge into sched_attr_op_type.
1104         (sched_attr_op_type): Handle FP registers, handle quick constants,
1105         update.
1106         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
1107         (m68k_sched_attr_size): Update.  Move logic to ...
1108         (sched_get_attr_size_int): New static function.
1109         (sched_get_opxy_mem_type): New static function.
1110         (m68k_sched_attr_op_mem): Update.
1111         (m68k_sched_attr_type2): Remove.
1112         (sched_cfv4_bypass_data): New static variable.
1113         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
1114         (m68k_sched_issue_rate): Implement scheduler hook.
1115         (struct _sched_ib: enabled_p): New field.
1116         (m68k_sched_variable_issue): Update.  Handle V4.
1117         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
1118         sched_dump_class_func_t, sched_dump_split_class,
1119         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
1120         sched_dump_dfa_class, m68k_sched_dump): Remove.
1121         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
1122         hook.
1123         (m68k_sched_init_global): Remove statisctics dumping, introduce
1124         sanity check that all instructions have pipeline reservations.  Handle
1125         ColdFire V4 core.
1126         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
1127         Handle ColdFire V4 core.
1128         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
1129         New static functions.
1130         (m68k_sched_address_bypass_p): New bypass predicate.
1131         (sched_get_indexed_address_scale): New static function.
1132         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
1133
1134         * cf.md: Update comments.
1135         (define_attr type2): Remove.  Use 'type' attribute instead.
1136         Update all uses.
1137         (cf_ib): Rename to cfv123_ib.  Update all uses.
1138         (cf_oep): Rename to cfv123_oep.  Update all uses.
1139         (cf_chr): Rename to cfv123_chr.  Update all uses.
1140         (cf_mem): Rename to cfv123_mem.  Update all uses.
1141         (cf_mac): Move to more appropriate place.
1142         (cfv123_guess): New automaton and cpu_unit.
1143         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
1144         Update uses of 'size' attribute.  Handle before reload scheduling.
1145         (cfv123_guess): New dummy reservation for unhandled instructions.
1146         (cfv4_*): Pipeline description of ColdFire V4 core.
1147         (ignore): New reservation to handle 'ignore' type.
1148
1149 2008-05-07  Ian Lance Taylor  <iant@google.com>
1150
1151         PR middle-end/36013
1152         * gimplify.c (find_single_pointer_decl_1): Don't look through
1153         indirections.
1154         (find_single_pointer_decl): Adjust comments.
1155
1156 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
1157
1158         PR middle-end/36137
1159         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
1160         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
1161
1162         PR middle-end/36106
1163         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
1164         integral type rather than floating point, then VIEW_CONVERT_EXPR
1165         to the floating point type.
1166
1167 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
1168
1169         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
1170         TFmode op0 to register.
1171
1172 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
1173
1174         * c-decl.c (grokdeclarator): Comment typo.
1175
1176 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
1177
1178         * tree-flow.h: Remove prototype for computed_goto_p.
1179         * tree-cfg.c (computed_goto_p): Make static.
1180
1181 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1182
1183         PR target/35657
1184         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
1185         (contains_aligned_value_p): This.  Handle _Decimal128.
1186         (ix86_function_arg_boundary): Only align _Decimal128 to its
1187         natural boundary and handle it properly.
1188
1189 2008-05-06  Martin Jambor  <mjambor@suse.cz>
1190
1191         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
1192         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
1193         (ipcp_method_set_orig_node): Removed.
1194         (ipcp_cval_get_cvalue_type): Removed.
1195         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
1196         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
1197         (ipcp_cval_set_cvalue_type): Removed.
1198         (ipcp_cval_get_cvalue): Removed.
1199         (ipcp_cval_set_cvalue): Removed.
1200         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
1201         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
1202         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
1203         (ipcp_cval_meet): Renamed to ipa_lattice_meet
1204         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
1205         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
1206         (ipcp_get_ith_lattice): Changed parameters.
1207         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
1208         (ipcp_lattice_from_jfunc): Changed parameters.
1209         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
1210         (ipcp_method_cval_print): Added temporary variable info.
1211         (ipcp_redirect): Removed already unused local variable caller.
1212         (ipcp_redirect): New temporary variable orig_callee_info
1213         (ipcp_redirect): Removed newly unused local variable callee.
1214         (ipcp_redirect): Removed (a bit confusing) local variable type.
1215         (ipcp_insert_stage): Added local variable info.
1216         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters 
1217         renamed too
1218         (ipcp_formal_create): Removed.
1219         (ipcp_method_cval_set): Removed.
1220         (ipcp_propagate_stage): Renamed lattice variables.
1221         (ipcp_method_cval_set_cvalue_type): Removed.
1222         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
1223         (ipcp_print_all_lattices): Changed printed strings to refer to 
1224         lattices rather than cvals.
1225         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
1226         (ipcp_propagate_const): Changed formal parameters.
1227         (build_const_val): Changed formal parameters.
1228         (ipcp_insert_stage): Removed useless variable cvalue
1229         (build_const_val): Changed formal parameters.
1230         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
1231         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
1232         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
1233         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
1234         (ipcp_print_func_profile_counts): Changed string from "method" to 
1235         "function"
1236         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
1237         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
1238         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
1239         (ipcp_structures_print): Renamed to ipcp_print_all_structures
1240         (ipcp_profile_print): Renamed to ipcp_print_profile_data
1241         (ipcp_lat_is_const): Changed parameters and made inline.
1242         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
1243         (ipcp_redirect): Renamed to ipcp_need_redirect_p
1244         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using 
1245         the predicate condition directly
1246         (ipcp_propagate_stage): Added local variable args. Removed local
1247         variable callee.  (Both are mere code simplifications.)
1248         (ipcp_method_dont_insert_const): Renamed to
1249         ipcp_node_not_modifiable_p.
1250         (ipcp_node_not_modifiable_p): Made inline.
1251         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
1252         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
1253         (ipcp_print_all_lattices): Removed variable cvalue
1254         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
1255         Updated comments.
1256
1257 2008-05-06  Olivier Hainque  <hainque@adacore.com>
1258
1259         * tree-sra.c (try_instantiate_multiple_fields): Early return
1260         if field has POINTER_TYPE.
1261
1262 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
1263
1264         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
1265         by using 'q' specifier for instruction.
1266         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
1267
1268 2008-05-06  Anatoly Sokolov <aesok@post.ru>
1269
1270         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
1271         Change mode of zero_extract from QImode to HImode.
1272         (sign bit tests peepholes): (Ditto.).
1273
1274 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
1275
1276         * config/i386/mmx.md: Remove double backslashes from asm templates.
1277         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
1278         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1279         to handle nonimmediate operands.
1280         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
1281         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1282         to handle nonimmediate operands.
1283         (*mmx_<code>v2sf3_finite): New insn pattern.
1284         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
1285         (mmx_<code>v2sf3): New expander.  Use
1286         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1287         (mmx_<plusminus_insn><mode>3): New expander.  Use
1288         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1289         (*mmx_<plusminus_insn><mode>3): New insn pattern.
1290         (mmx_add<mode>3): Removed.
1291         (mmx_ssadd<mode>3): Ditto.
1292         (mmx_usadd<mode>3): Ditto.
1293         (mmx_sub<mode>3): Ditto.
1294         (mmx_sssub<mode>3): Ditto.
1295         (mmx_ussub<mode>3): Ditto.
1296         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
1297         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
1298         to handle nonimmediate operands.
1299         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
1300         insn pattern.
1301         (mmx_smulv4hi3_highpart): New expander.  Use
1302         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1303         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
1304         insn pattern.
1305         (mmx_umulv4hi3_highpart): New expander.  Use
1306         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1307         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
1308         (mmx_<code>v4hi3): New expander.  Use
1309         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1310         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
1311         (mmx_<code>v8qi3): New expander.  Use
1312         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1313         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
1314         (mmx_<code><mode>3): New expander.  Use
1315         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1316
1317 2008-05-05  Jan Hubicka  <jh@suse.cz>
1318
1319         PR tree-optimization/36118
1320         * passes.c (pass_init_dump_file): Fix dump header.
1321
1322 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1323
1324         PR middle-end/36141
1325         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
1326         VCE for function decls.
1327
1328 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
1329
1330         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
1331
1332 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
1333
1334         * config/i386/i386.md (sat_plusminus): New.
1335         (plusminus_insn): Likewise.
1336         (plusminus_mnemonic): Likewise.
1337         (addsub): Removed.
1338         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
1339         (*<addsub><mode>3_cc_overflow): Renamed to ...
1340         (*<plusminus_insn><mode>3_cc_overflow): This.
1341         (*<addsub>si3_zext_cc_overflow): Renamed to ...
1342         (*<plusminus_insn>si3_zext_cc_overflow): This.
1343
1344         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
1345         (<plusminus_insn><mode>3): This.
1346         (*<addsub><mode>3): Renamed to ...
1347         (*<plusminus_insn><mode>3): This.
1348         (<sse>_vm<addsub><mode>3): Renamed to ...
1349         (<sse>_vm<plusminus_insn><mode>3): This.
1350         (sse3_h<addsub>v4sf3): Renamed to ...
1351         (sse3_h<plusminus_insn>v4sf3): This.
1352         (sse3_h<addsub>v2df3): Renamed to ...
1353         (sse3_h<plusminus_insn>v2df3): This.
1354         (<plusminus_insn><mode>3): New.
1355         (*<plusminus_insn><mode>3): Likewise.
1356         (sse2_<plusminus_insn><mode>3): Likewise.
1357         (add<mode>): Removed.
1358         (*add<mode>3): Likewise.
1359         (sse2_ssadd<mode>3): Likewise.
1360         (sse2_usadd<mode>3): Likewise.
1361         (sub<mode>3): Likewise.
1362         (*sub<mode>3): Likewise.
1363         (sse2_sssub<mode>3): Likewise.
1364         (sse2_ussub<mode>3): Likewise.
1365
1366 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
1367
1368         * gthr-single.h: Add in required interface elements as per gthr.h.
1369         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
1370         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
1371         Generalize UNUSED macro. 
1372         (__gthread_once): Add.
1373         (__gthread_key_create): Add.
1374         (__gthread_key_delete): Add.
1375         (__gthread_getspecific): Add.
1376         (__gthread_setspecific): Add.
1377         
1378 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
1379
1380         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
1381         the same size types for the indirect reference on the rhs, then
1382         create a VCE.
1383
1384 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
1385
1386         * config/i386/i386.md
1387         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
1388         one insn template instead of template series.
1389         (*xordi_1_rex64): Ditto.
1390         (*xordi_2_rex64): Ditto.
1391
1392 2008-05-05  Ira Rosen  <irar@il.ibm.com>
1393
1394         PR tree-optimization/36119
1395         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
1396         in case of SLP.
1397
1398 2008-06-04  Jan Hubicka  <jh@suse.cz>
1399
1400         tree-optimization/36100
1401         * tree-pass.h (pass_O0_always_inline): Declare.
1402         * ipa-inline.c (inline_transform): Remove dead code.
1403         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
1404         pass_O0_always_inline): New.
1405         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
1406
1407 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
1408
1409         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
1410         mnemonic in this_param move for TARGET_64BIT.
1411
1412 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
1413
1414         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
1415         (*strmovsi_rex_1): Ditto.
1416         (*strsetsi_1): Ditto.
1417         (*strsetsi_rex_1): Ditto.
1418
1419         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
1420         adddicc expanders using SWI mode iterator.
1421
1422 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1423
1424         PR target/36121
1425         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
1426         argument handling.
1427
1428 2008-05-04  David S. Miller  <davem@davemloft.net>
1429
1430         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
1431         (sparc*-*-linux*): Use linux.h in tm_file.
1432         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
1433         compiler defaulting to 32-bit.
1434         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
1435         no longer needed.
1436         * config/sparc/linux.h: Remove definitions now obtained
1437         properly from linux.h
1438         * config/sparc/linux64.h: Likewise.
1439         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
1440         don't want this setting for 32-bit builds in a biarch compiler.
1441         * doc/install.texi: Add sparc-linux to list of targets
1442         supporting --enable-targets=all.
1443
1444 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
1445
1446         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
1447
1448 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
1449
1450         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
1451         after V4SI_FTYPE_V8HI.
1452         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
1453         case V4SI_FTYPE_V2DF.
1454
1455 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
1456
1457         * doc/invoke.texi (max-flow-memory-locations): Removed.
1458         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
1459         
1460 2008-05-03  Richard Guenther  <rguenther@suse.de>
1461
1462         PR middle-end/34973
1463         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
1464
1465 2008-05-02  David S. Miller  <davem@davemloft.net>
1466
1467         * config.gcc (need_64bit_hwint): Document libcpp dependency.
1468
1469 2008-05-02  Simon Baldwin <simonb@google.com>
1470
1471         PR bootstrap/36108
1472         * c-common.h (warn_array_subscript_range): Removed.
1473         * c-common.c (warn_array_subscript_range): Ditto.
1474         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
1475         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
1476
1477 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
1478
1479         * config/i386/i386.c (ix86_special_builtin_type): New.
1480         (bdesc_special_args): Likewise.
1481         (ix86_expand_special_args_builtin): Likewise.
1482         (ix86_init_mmx_sse_builtins): Updated.
1483         (ix86_expand_builtin): Updated.
1484         (ix86_expand_store_builtin): Removed.
1485         (ix86_expand_unop_builtin): Likewise.
1486
1487         * config/i386/mm3dnow.h (__v2sf): Moved to ...
1488         * config/i386/mmintrin.h (__v2sf): Here.
1489
1490         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
1491         const __v2sf.
1492         (_mm_loadl_pi): Likewise.
1493         (_mm_storeh_pi): Replace __v2si with __v2sf.
1494         (_mm_storel_pi): Likewise.
1495
1496         * doc/extend.texi: Correct __builtin_ia32_loadhps,
1497         __builtin_ia32_loadlps, __builtin_ia32_storehps,
1498         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
1499         __builtin_ia32_loadlpd.
1500
1501 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
1502
1503         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
1504         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
1505         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
1506         (ix86_init_mmx_sse_builtins): Updated.
1507         (ix86_expand_args_builtin): Likewise.
1508         (ix86_expand_builtin): Likewise.
1509         (ix86_expand_unop1_builtin): Renamed to ...
1510         (ix86_expand_unop_vec_merge_builtin): This.
1511
1512 2008-05-01  Jan Hubicka  <jh@suse.cz>
1513
1514         PR bootstrap/36100
1515         * ipa-inline.c (inline_generate_summary): Make static.
1516         (inline_transform): Do not call inlining at -O0; make static.
1517         * passes.c (execute_todo): Add sanity check.
1518         (execute_one_ipa_transform_pass): Execute proper flags.
1519
1520 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
1521
1522         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
1523         (DECL_NONADDRESSABLE_P): Likewise.
1524         * alias.c (record_component_aliases): Fix comment.
1525
1526 2008-05-01  Simon Baldwin <simonb@google.com>
1527
1528         * c-common.h (warn_array_subscript_range): New function.
1529         * c-common.c (warn_array_subscript_range): Ditto.
1530         * tree-vrp.c (check_array_ref): Corrected code to agree with
1531         comment, ignoring only arrays of size 0 or size 1.
1532         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
1533
1534 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1535
1536         * config/i386/i386.c (ix86_builtin_type): Replace
1537         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
1538         (bdesc_args): Updated.
1539         (ix86_init_mmx_sse_builtins): Likewise.
1540         (ix86_expand_args_builtin): Likewise.
1541
1542         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
1543         with __v1di.
1544
1545         * doc/extend.texi: Correct __builtin_ia32_palignr.
1546
1547 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1548
1549         PR target/36095
1550         * config/i386/i386.c (bdesc_crc32): Removed.
1551         (ix86_expand_crc32): Likewise.
1552         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
1553         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
1554         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
1555         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
1556         UINT_FTYPE_UINT_UCHAR.
1557         (bdesc_args): Updated. Add crc32 builtins.
1558         (ix86_init_mmx_sse_builtins): Updated.
1559         (ix86_expand_args_builtin): Updated to support subreg.
1560
1561         * doc/extend.texi: Correct __builtin_ia32_crc32di.
1562
1563 2008-05-01  Jan Hubicka  <jh@suse.cz>
1564
1565         * tree-pass.h (opt_pass): Add IPA_PASS.
1566         (varpool_node, cgraph_node): Forward declare.
1567         (ipa_opt_pass): Define.
1568         (pass_ipa_inline): Turn into ipa_opt_pass.
1569         (pass_apply_inline): Remove.
1570         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
1571         (apply_inline): Turn into ....
1572         (inline_transform): ... this one.
1573         (inline_generate_summary): New function.
1574         (pass_apply_inline): Remove.
1575         * function.h (ipa_opt_pass): Forward declare structure; typedef;
1576         vector.
1577         (struct function): Add ipa_transforms_to_apply.
1578         * passes.c (register_one_dump_file): Work on IPA_PASS.
1579         (init_optimization_passes): Remove pass_inline_parameters and
1580         pass_apply_inline.
1581         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
1582         (execute_one_pass) ... here; apply transforms when possible.
1583         (add_ipa_transform_pass, execute_ipa_summary_asses,
1584         execute_one_ipa_transform_pass): New.
1585         (execute_ipa_pass_list): Update for IPA_PASS type.
1586
1587 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1588
1589         * config/i386/i386.c (ix86_builtin_type): Add
1590         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
1591         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
1592         (bdesc_args): Add SSE4a builtins.
1593         (ix86_init_mmx_sse_builtins): Updated.
1594         (ix86_expand_args_builtin): Likewise.
1595         (ix86_expand_builtin): Likewise.
1596
1597 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1598
1599         * config/i386/i386.c (ix86_builtin_type): Add
1600         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
1601         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
1602         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
1603         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
1604         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
1605         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
1606         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
1607         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
1608         and DI_FTYPE_DI_DI_INT.
1609         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
1610         (ix86_init_mmx_sse_builtins): Updated.
1611         (ix86_expand_args_builtin): Likewise.
1612         (ix86_expand_builtin): Likewise.
1613         (ix86_expand_binop_imm_builtin): Removed.
1614
1615         * doc/extend.texi: Correct __builtin_ia32_palignr128.
1616
1617 2008-04-30  Richard Guenther  <rguenther@suse.de>
1618
1619         PR tree-optimization/32921
1620         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
1621
1622 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
1623
1624         * config/arm/arm.c (arm_unwind_emit): Use
1625         crtl->all_throwers_are_sibcalls instead of
1626         cfun->all_throwers_are_sibcalls.
1627         (arm_output_fn_unwind): Likewise.
1628         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
1629         instead of cfun->uses_pic_offset_table.
1630         (frv_expand_prologue): Likewise.
1631         (frv_frame_pointer_required): Likewise.
1632         (frv_expand_fdpic_call): Likewise.
1633         (frv_emit_movsi): Likewise.
1634         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
1635         cfun->returns_pcc_struct instead of
1636         current_function_returns_pcc_struct.
1637         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
1638         instead of cfun->calls_eh_return.
1639         (m32c_pushm_popm): Likewise.
1640         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
1641         "extern" declaration.
1642
1643 2008-04-30  Richard Guenther  <rguenther@suse.de>
1644
1645         PR tree-optimization/21636
1646         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
1647         constant address.
1648         (evaluate_stmt): Print the likely value.
1649         (ccp_visit_stmt): Avoid excessive vertical spacing.
1650
1651 2008-04-30  Rafael Espindola  <espindola@google.com>
1652
1653         * builtins.c (fold_call_expr): Return realret.
1654         * tree-ssa-threadedge.c
1655         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1656         __builtin_object_size.
1657
1658 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
1659
1660         * gcc.c (wrapper_string): New variable.
1661         (insert_wrapper): New function.
1662         (execute): New option -wrapper.
1663         * doc/invoke.texi (Overall Options): New driver option -wrapper.
1664
1665 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
1666
1667         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
1668         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
1669         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
1670         from...
1671         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
1672         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
1673         config/rs6000/e500crtres64gprctr.asm,
1674         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
1675         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
1676         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
1677         config/rs6000/e500crtsav64gprctr.asm,
1678         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
1679         config/rs6000/e500crtsavg64gprctr.asm: New files.
1680         * config/rs6000/t-ppccomm: Add build rules for new files.
1681         (LIB2FUNCS_STATIC_EXTRA): Add new files.
1682         * config/rs6000/t-netbsd: Add build rules for new files.
1683         (LIB2FUNCS_STATIC_EXTRA): New variable.
1684         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
1685         (CRTSAVRES_DEFAULT_SPEC): Likewise.
1686         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
1687
1688 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
1689
1690         * config/i386/i386.c (ix86_builtin_type): Add
1691         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
1692         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
1693         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
1694         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
1695         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
1696         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
1697         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
1698         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
1699         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
1700         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
1701         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
1702         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
1703         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
1704         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
1705         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
1706         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
1707         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
1708         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
1709         V1DI_FTYPE_V2SI_V2SI.
1710         (bdesc_2arg): Moved to ...
1711         (bdesc_args): Here.
1712         (ix86_init_mmx_sse_builtins): Updated.
1713         (ix86_expand_args_builtin): Updated.  Take a pointer
1714         to const struct builtin_description.  Handle comparison
1715         builtin functions.
1716         (ix86_expand_sse_compare): Take a new argument for swapping operands.
1717         (ix86_expand_builtin): Updated.
1718
1719         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
1720         (ssse3_pmaddubsw128): This.
1721         (ssse3_pmaddubswv4hi3): Renamed to ...
1722         (ssse3_pmaddubsw): This.
1723
1724         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
1725         (__builtin_ia32_packssdw128): Likewise.
1726         (__builtin_ia32_packuswb128): Likewise.
1727         (__builtin_ia32_pmaddubsw): Likewise.
1728         (__builtin_ia32_pmaddubsw128): Likewise.
1729
1730 2008-04-30  Richard Guenther  <rguenther@suse.de>
1731
1732         PR tree-optimization/14847
1733         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
1734         (recognize_bits_test): Use it.
1735         (recognize_single_bit_test): Likewise.
1736
1737 2008-04-30  Martin Jambor  <mjambor@suse.cz>
1738
1739         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
1740         instead of setting number of formal parameters to zero.
1741         (ipcp_init_stage): Do not set the number of actual parameters to zero 
1742         either.
1743         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
1744         which are called with variable number of arguments.
1745         (ipcp_insert_stage): Explicitely skipping all nodes which are
1746         called with variable number of arguments.
1747         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
1748         number of parameters.
1749
1750         * ipa-prop.h (struct ipa_node_params): Added flag
1751         called_with_var_arguments
1752         (ipa_set_param_count): Added.  Changed sole setter to use it.
1753         (ipa_get_param_count): Added.  All readers of param_count
1754         converted to use it instead.
1755         (ipa_set_called_with_variable_arg): Added.
1756         (ipa_is_called_with_var_arguments): Added.
1757         (ipa_get_ith_param): Added.  All readers of param_decls converted
1758         to use it instead.
1759         (ipa_set_cs_argument_count): Added, sole writer to argument_count 
1760         changed to use it. 
1761         (ipa_get_cs_argument_count): Added, all readers of argument_count
1762         changed to cal it.
1763         (ipa_get_ith_jump_func): Added. Accessors of jump values changed 
1764         to use it.
1765         
1766         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
1767         (struct ipcp_lattice): Renamed cval_type to type
1768         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
1769
1770         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
1771         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
1772         (ipcp_insert_stage): Changed the type of variable cvalue to tree
1773         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
1774         (build_const_val): Changed the type of parameter cvalue to tree
1775         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
1776         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
1777         
1778         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
1779         constant 
1780
1781         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
1782         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
1783         (ipa_add_method): Renamed to ipa_push_func_to_list
1784         (ipa_remove_method): Renamed to ipa_pop_func_from_list
1785         (ipa_callsite_param_count): Removed.
1786         (ipa_callsite_param_count_set): Removed.
1787         (ipa_callsite_param): Removed.
1788         (ipa_callsite_callee): Removed.
1789         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
1790         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
1791         (ipa_method_formal_count): Removed.
1792         (ipa_method_formal_count_set): Removed.
1793         (ipa_method_get_tree): Removed.
1794         (ipa_method_tree_map_create): Removed.
1795         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
1796         (ipa_create_param_decls_array): Creates the array itself
1797         (ipa_create_param_decls_array): Temporary variable info instead of 
1798         a few dereferences.
1799         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
1800         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
1801         (get_type): Removed.
1802         (ipa_jf_get_info_type): Removed.
1803         (ipa_node_create): Renamed to ipa_create_node_params
1804         (ipa_free): Renamed to ipa_free_all_node_params
1805         (ipa_nodes_create): Renamed to ipa_create_all_node_params
1806         (ipa_edges_create): Renamed to ipa_create_all_edge_args
1807         (ipa_edges_free): Renamed to ipa_free_all_edge_args
1808         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
1809         (ipa_free_all_node_params): Deallocation to jump_functions moved to 
1810         ipa_free_all_edge_args
1811         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
1812         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
1813         (ipa_create_methodlist_node): Removed.
1814         (ipa_methodlist_method): Removed.
1815         (ipa_methodlist_method_set): Removed.
1816         (ipa_methodlist_next_method): Removed.
1817         (ipa_methodlist_next_method_set): Removed.
1818         (ipa_method_is_modified): Removed.
1819         (ipa_method_modify_create): Removed.
1820         (ipa_method_modify_init): Temporary variable info instead of a few 
1821         dereferences.
1822         (ipa_detect_param_modifications): Temporary variable info instead of 
1823         a few dereferences.
1824         (ipa_compute_jump_functions): Temporary variable info instead of 
1825         a few dereferences.
1826         (ipa_method_modify_set): Removed.
1827         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
1828         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
1829         than craph_node as the first parameter.
1830         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
1831         (ipa_method_modify_init): Removed.
1832         (ipa_compute_jump_functions): Added a temp variable instead of 
1833         repeatadly dereferencing the cgraph_edge.aux pointer
1834         (ipa_callsite_param_set_type): Removed.
1835         (ipa_compute_jump_functions): i renamed to index and moved to 
1836         an inner block
1837         (ipa_callsite_param_set_info_type_formal): Removed.
1838         (ipa_callsite_param_set_info_type): Removed.
1839         (ipa_callsite_param_map_create): Removed.
1840         (ipa_callsite_tree): Removed.
1841         (ipa_callsite_caller): Removed.
1842         (ipa_pop_func_from_list): return_method removed to return_func
1843
1844         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
1845         prefixed all values with IPA_. Changed all users.
1846         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
1847         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
1848         and FORMAL_IPATYPE IPA_PASS_THROUGH. 
1849         (union parameter_info): Renamed to jump_func_value.
1850         (union jump_func_value): Renamed value to constant
1851         (struct ipa_jump_func): Renamed info_type to value
1852         (struct ipa_node): Renamed to ipa_node_params
1853         (struct ipa_node_params): Renamed ipa_arg_num to param_count
1854         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
1855         (struct ipa_node_params): Renamed ipa_mod to modified_flags
1856         (struct ipa_edge): Renamed to ipa_edge_args
1857         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
1858         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
1859         (struct ipa_methodlist): Renamed to ipa_func_list
1860         (struct ipa_func_list): method_p renamed to node, next_method
1861         renamed to next
1862         (ipa_methodlist_p): Removed, switched all users to struct pointer
1863         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
1864
1865 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
1866
1867         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
1868         (rs6000_emit_epilogue): Use backchain to restore only when we
1869         have a large frame.  Make use of frame pointer to restore if we
1870         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
1871
1872 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
1873
1874         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
1875         Add mode to zero_extract.
1876         (sign bit tests peepholes): (Ditto.).
1877
1878 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1879
1880         * config/i386/i386.c (ix86_builtins): Replace Prescott New
1881         Instructions in comments with SSE3.
1882         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
1883         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
1884         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
1885         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
1886         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
1887         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
1888         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
1889         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
1890         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
1891         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
1892         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
1893         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
1894         (bdesc_sse_args): Renamed to ...
1895         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
1896         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
1897         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
1898         IX86_BUILTIN_FABSQ.
1899         (bdesc_1arg): Moved to ...
1900         (bdesc_args): Here.
1901         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
1902         Instructions in comments with SSE3.
1903         (ix86_expand_sse_operands_builtin): Renamed to ...
1904         (ix86_expand_args_builtin): This.  Updated.
1905         (ix86_expand_unop1_builtin): Update comments.
1906         (ix86_expand_builtin): Updated.
1907
1908 2008-04-29  Richard Guenther  <rguenther@suse.de>
1909
1910         PR tree-optimization/36078
1911         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
1912         Update virtual SSA form after cleaning up the CFG.
1913
1914 2008-04-29  Richard Guenther  <rguenther@suse.de>
1915
1916         PR middle-end/15255
1917         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
1918
1919 2008-04-29  Richard Guenther  <rguenther@suse.de>
1920
1921         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
1922         (compute_may_aliases): Do not call finalize_ref_all_pointers.
1923         (compute_flow_insensitive_aliasing): Do not treat
1924         PTR_IS_REF_ALL pointers special.
1925         (get_smt_for): Likewise.
1926         (may_alias_p): Re-structure.
1927         (is_escape_site): A ref-all pointer conversion is not an escape site.
1928         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
1929         PTR_IS_REF_ALL pointers special.
1930         * tree-ssa-structalias.h (struct alias_info): Remove
1931         ref_all_symbol_mem_tag field.
1932         (PTR_IS_REF_ALL): Remove.
1933
1934 2008-04-29  Richard Guenther  <rguenther@suse.de>
1935
1936         PR middle-end/36077
1937         * fold-const.c (extract_muldiv_1): In combining division constants
1938         make sure to never overflow.
1939
1940 2008-04-29  Nick Clifton  <nickc@redhat.com>
1941
1942         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
1943
1944 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1945
1946         PR bootstrap/35169
1947         * optc-gen.awk: Work around HP-UX/IA awk bug.
1948
1949 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
1950
1951         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
1952         2008-04-25 commit.
1953
1954 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
1955
1956         PR target/36073
1957         * config/i386/i386.md
1958         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
1959         Change operand 1 predicate to nonimmediate_operand.
1960
1961 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
1962
1963         PR debug/36060
1964         * dwarf2out.c (struct die_struct): Mark as chain_circular through
1965         die_sub field.
1966         * gengtype.c (walk_type, write_func_for_structure): Handle
1967         chain_circular.
1968         * doc/gty.texi: Document chain_circular.
1969
1970 2008-04-28  Richard Guenther  <rguenther@suse.de>
1971
1972         PR tree-optimization/36066
1973         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
1974         SCEV and loop.
1975
1976 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
1977
1978         PR target/36064
1979         * config/i386/i386.md
1980         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
1981         Use match_scratch instead of match_operand for operands 3 and 4.
1982
1983 2008-04-27  Richard Guenther  <rguenther@suse.de>
1984
1985         PR tree-optimization/18754
1986         PR tree-optimization/34223
1987         * tree-pass.h (pass_complete_unrolli): Declare.
1988         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
1989         loop size before and after unconditionally of UL_NO_GROWTH in effect.
1990         Rewrite loop into loop closed SSA form if it is not already.
1991         (tree_unroll_loops_completely): Re-structure to iterate over
1992         innermost loops with intermediate CFG cleanups.
1993         Unroll outermost loops only if requested or the code does not grow
1994         doing so.
1995         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
1996         loops are available.
1997         (tree_vectorize): Instead do so here.
1998         (tree_complete_unroll): Also unroll outermost loops.
1999         (tree_complete_unroll_inner): New function.
2000         (gate_tree_complete_unroll_inner): Likewise.
2001         (pass_complete_unrolli): New pass.
2002         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
2003         uses outside of the loop.
2004         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
2005         form if it is available.  
2006         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
2007         * passes.c (init_optimization_passes): Schedule complete inner
2008         loop unrolling pass before the first CCP pass after final inlining.
2009
2010 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2011
2012         * targhooks.h (default_emutls_var_fields,
2013         default_emutls_var_init): Declare.
2014         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
2015         * target.h (struct gcc_target): Add struct emutls member.
2016         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
2017         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
2018         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
2019         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
2020         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
2021         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
2022         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
2023         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
2024         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
2025         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
2026         emit debug information.
2027         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
2028         * varasm.c: Include targhooks.h.
2029         (emutls_object_section, emutls_tmpl_section): New.
2030         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
2031         (EMUTLS_SEPARATOR): New.
2032         (prefix_name): New.
2033         (get_emutls_object_name): New.
2034         (default_emutls_var_fields): New, broken out of ...
2035         (get_emutls_object_type): ... here.  Adjust to use target hooks.
2036         (get_emutls_init_templ_addr): Adjust to use target hooks.
2037         (emutls_decl): Adjust to use target hooks.
2038         (emutls_finish): Likewise.
2039         (default_emutls_var_init): New, broken out of ...
2040         (assemble_variable): ... here.  Adjust to use target hooks.
2041         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
2042         SECCAT_EMUTLS_TMPL.
2043         * c-common.c (handle_section_attribute): Prevent overriding
2044         sections for emulated tls with special sections.
2045         * config/i386/i386.c (x86_64_elf_select_section): Add
2046         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
2047         (x86_64_elf_unique_section): Likewise.
2048         * config/vxworks.c: Include tree.h.
2049         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
2050         (vxworks_override_options): Set TLS scheme.
2051         * doc/tm.texi (Emulated TLS): New node.
2052
2053 2008-04-26  Simon Baldwin <simonb@google.com>
2054
2055         PR c/35652
2056         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
2057         with propagated string constants.
2058
2059 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
2060
2061         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
2062         constraint for operand 2 when operand 0 is memory operand.
2063         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
2064         operand 0 is memory operand.
2065         (fix_trunc<mode>_i387_with_temp): Ditto.
2066         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
2067         operand 2 when operand 1 is memory operand.
2068         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
2069         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
2070         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
2071         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
2072         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
2073         operands 2,3 and 4 when operand 1 is memory operand.
2074         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
2075         is memory operand.
2076         (fistdi2_floor_with_temp): Ditto.
2077         (fist<mode>2_floor_with_temp): Ditto.
2078         (fistdi2_ceil_with_temp): Ditto.
2079         (fist<mode>2_ceil_with_temp): Ditto.
2080         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
2081
2082 2008-04-26  David Daney  <ddaney@avtrex.com>
2083
2084         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
2085         unspec_volitile.
2086         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
2087         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
2088         UNSPEC_UPDATE_GOT_VERSION): Renumber.
2089         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
2090         (compare_and_swap_12): New insn.
2091         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
2092         * config/mips/mips.c (mips_force_binary): New function.
2093         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
2094         (mips_expand_compare_and_swap_12): New function.
2095         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
2096
2097 2008-04-25  Jan Hubicka  <jh@suse.cz>
2098
2099         PR testsuite/35843
2100         * cfgexpand.c (pass_expand): Turn into RTL pass.
2101         * passes.c (execute_one_pass): Do pass typechecking after execution.
2102         * tree-pass.h (pass_expand): Turn into RTL pass.
2103
2104         * function.h (struct rtl_data): Move here fields
2105         accesses_prior_frames, calls_eh_return, saves_all_registers,
2106         has_nonlocal_goto, has_asm_statement, is_thunk,
2107         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
2108         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
2109         arg_pointer_save_area_init from struct function; turn into bool.
2110         (struct function): Move
2111         calls_eh_return, saves_all_registers, has_nonlocal_goto,
2112         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
2113         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
2114         tail_call_emit, arg_pointer_save_area_init
2115         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
2116         (current_function_returns_struct, current_function_returns_pcc_struct,
2117         current_function_calls_setjmp, current_function_calls_alloca,
2118         current_function_accesses_prior_frames,
2119         current_function_calls_eh_return, current_function_is_thunk,
2120         current_function_stdarg, current_function_profile,
2121         current_function_limit_stack, current_function_uses_pic_offset_table,
2122         current_function_uses_const_pool, current_function_has_nonlocal_label,
2123         current_function_saves_all_registers,
2124         current_function_has_nonlocal_goto,
2125         current_function_has_asm_statement): Remove accesor macros.
2126         * ra-conflict.c (global_conflicts): Update.
2127         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
2128         (suitable_for_tail_call_opt_p): Update.
2129         * builtins.c (expand_builtin_return_addr): Update.
2130         (expand_builtin_setjmp_setup): Update.
2131         (expand_builtin_nonlocal_goto): Update.
2132         * final.c (final_start_function): Update.
2133         (profile_function): Update.
2134         (leaf_function_p): Update.
2135         (only_leaf_regs_used): Update.
2136         * df-scan.c (df_get_exit_block_use_set): Update.
2137         * dojump.c (clear_pending_stack_adjust): Update.
2138         * tree-stdarg.c (gate_optimize_stdarg): Update.
2139         * gimple-low.c (lower_function_body): Update.
2140         * global.c (compute_regsets): Update.
2141         (global_alloc): Update.
2142         * dwarf2out.c (dwarf2out_begin_prologue): Update.
2143         * expr.c (expand_assignment): Update.
2144         * dse.c (dse_step0): Update.
2145         (dse_step1): Update.
2146         * c-decl.c (store_parm_decls): Update.
2147         * local-alloc.c (combine_regs): Update.
2148         (find_free_reg): Update.
2149         * function.c (assign_parms_augmented_arg_list): Update.
2150         (assign_parm_find_data_types): Update.
2151         (assign_parms): Update.
2152         (allocate_struct_function): Update.
2153         (expand_function_start): Update.
2154         (expand_function_end): Update.
2155         (get_arg_pointer_save_area): Update.
2156         (thread_prologue_and_epilogue_insns): Update.
2157         (rest_of_match_asm_constraints): Update.
2158         * stor-layout.c (variable_size): Update.
2159         * gcse.c (gcse_main): Update.
2160         (bypass_jumps): Update.
2161         * gimplify.c (gimplify_function_tree): Update.
2162         * calls.c (emit_call_1): Update.
2163         (expand_call): Update.
2164         * bt-load.c (compute_defs_uses_and_gen): Update.
2165         * except.c (sjlj_assign_call_site_values): Update.
2166         (sjlj_emit_function_enter): Update.
2167         (can_throw_external): Update.
2168         (set_nothrow_function_flags): Update.
2169         (expand_builtin_unwind_init): Update.
2170         (expand_eh_return): Update.
2171         (convert_to_eh_region_ranges): Update.
2172         (output_function_exception_table): Update.
2173         * emit-rtl.c (gen_tmp_stack_mem): Update.
2174         * cfgexpand.c (expand_used_vars): Update.
2175         (tree_expand_cfg): Update.
2176         * cfgcleanup.c (rest_of_handle_jump): Update.
2177         * explow.c (allocate_dynamic_stack_space): Update.
2178         * varasm.c (assemble_start_function): Update.
2179         (force_const_mem): Update.
2180         (mark_constant_pool): Update.
2181         * tree-optimize.c (tree_rest_of_compilation): Update.
2182         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
2183         * tree-cfg.c (notice_special_calls): Update.
2184         (is_ctrl_altering_stmt): Update.
2185         (tree_can_make_abnormal_goto): Update.
2186         (tree_purge_dead_abnormal_call_edges): Update.
2187         * config/alpha/predicates.md: Update.
2188         * config/alpha/alpha.c (alpha_sa_mask): Update.
2189         (alpha_sa_size): Update.
2190         (alpha_does_function_need_gp): Update.
2191         (alpha_expand_prologue): Update.
2192         (alpha_start_function): Update.
2193         (alpha_output_function_end_prologue): Update.
2194         (alpha_expand_epilogue): Update.
2195         * config/frv/frv.c (frv_stack_info): Update.
2196         (frv_expand_epilogue): Update.
2197         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
2198         (s390_register_info): Update.
2199         (s390_frame_info): Update.
2200         (s390_init_frame_layout): Update.
2201         (s390_can_eliminate): Update.
2202         (save_gprs): Update.
2203         * config/spu/spu.c (spu_split_immediate): Update.
2204         (need_to_save_reg): Update.
2205         (spu_expand_prologue): Update.
2206         (spu_expand_epilogue): Update.
2207         * config/sparc/sparc.md: Update.
2208         * config/sparc/sparc.c (eligible_for_return_delay): Update.
2209         (sparc_tls_got): Update.
2210         (legitimize_pic_address): Update.
2211         (sparc_emit_call_insn): Update.
2212         (sparc_expand_prologue): Update.
2213         (output_return): Update.
2214         (print_operand): Update.
2215         (sparc_function_ok_for_sibcall): Update.
2216         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
2217         * config/m32r/m32r.md: Update.
2218         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
2219         (m32r_compute_frame_size): Update.
2220         (m32r_expand_prologue): Update.
2221         (m32r_expand_epilogue): Update.
2222         (m32r_legitimize_pic_address): Update.
2223         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
2224         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
2225         * config/i386/i386.c (ix86_frame_pointer_required): Update.
2226         (gen_push): Update.
2227         (ix86_save_reg): Update.
2228         (ix86_compute_frame_layout): Update.
2229         (ix86_expand_prologue): Update.
2230         (ix86_expand_epilogue): Update.
2231         * config/sh/sh.c (output_stack_adjust): Update.
2232         (calc_live_regs): Update.
2233         (sh5_schedule_saves): Update.
2234         (sh_expand_prologue): Update.
2235         (sh_expand_epilogue): Update.
2236         (sh_setup_incoming_varargs): Update.
2237         (sh_allocate_initial_value): Update.
2238         (sh_get_pr_initial_val): Update.
2239         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
2240         * config/sh/sh.md (label:): Update.
2241         * config/avr/avr.c (out_movhi_mr_r): Update.
2242         * config/crx/crx.h (enum): Update.
2243         * config/xtensa/xtensa.h (along): Update.
2244         * config/stormy16/stormy16.c Update.
2245         (xstormy16_compute_stack_layout): Update.
2246         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
2247         (fr30_expand_prologue): Update.
2248         * config/cris/cris.c (cris_conditional_register_usage): Update.
2249         (cris_reg_saved_in_regsave_area): Update.
2250         (cris_initial_frame_pointer_offset): Update.
2251         (cris_simple_epilogue): Update.
2252         (cris_expand_prologue): Update.
2253         (cris_expand_epilogue): Update.
2254         (cris_expand_pic_call_address): Update.
2255         (cris_asm_output_symbol_ref): Update.
2256         (cris_asm_output_label_ref): Update.
2257         * config/cris/cris.md Update.
2258         * config/iq2000/iq2000.c (compute_frame_size): Update.
2259         (iq2000_expand_epilogue): Update.
2260         * config/mt/mt.h (save_direction): Update.
2261         * config/mn10300/mn10300.c (mn10300_function_value): Update.
2262         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
2263         (ia64_secondary_reload_class): Update.
2264         * config/m68k/m68k.c (m68k_save_reg): Update.
2265         (m68k_expand_prologue): Update.
2266         (m68k_expand_epilogue): Update.
2267         (legitimize_pic_address): Update.
2268         * config/rs6000/rs6000.c (rs6000_got_register): Update.
2269         (first_reg_to_save): Update.
2270         (first_altivec_reg_to_save): Update.
2271         (compute_vrsave_mask): Update.
2272         (compute_save_world_info): Update.
2273         (rs6000_stack_info): Update.
2274         (spe_func_has_64bit_regs_p): Update.
2275         (rs6000_ra_ever_killed): Update.
2276         (rs6000_emit_eh_reg_restore): Update.
2277         (rs6000_emit_allocate_stack): Update.
2278         (rs6000_emit_prologue): Update.
2279         (rs6000_emit_epilogue): Update.
2280         (rs6000_output_function_epilogue): Update.
2281         (output_profile_hook): Update.
2282         (rs6000_elf_declare_function_name): Update.
2283         * config/rs6000/rs6000.h (rs6000_args): Update.
2284         * config/rs6000/rs6000.md: Update.
2285         * config/mcore/mcore.c (mcore_expand_prolog): Update.
2286         * config/arc/arc.c (arc_output_function_epilogue): Update.
2287         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
2288         * config/darwin.c (machopic_function_base_name): Update.
2289         * config/score/score3.c (score3_compute_frame_size): Update.
2290         (rpush): Update.
2291         (rpop): Update.
2292         (score3_epilogue): Update.
2293         * config/score/score7.c (score7_compute_frame_size): Update.
2294         (score7_prologue): Update.
2295         (score7_epilogue): Update.
2296         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
2297         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
2298         * config/arm/arm.c (use_return_insn): Update.
2299         (require_pic_register): Update.
2300         (arm_load_pic_register): Update.
2301         (arm_compute_save_reg0_reg12_mask): Update.
2302         (arm_compute_save_reg_mask): Update.
2303         (thumb1_compute_save_reg_mask): Update.
2304         (output_return_instruction): Update.
2305         (arm_output_function_prologue): Update.
2306         (arm_output_epilogue): Update.
2307         (arm_get_frame_offsets): Update.
2308         (arm_expand_prologue): Update.
2309         (thumb_pushpop): Update.
2310         (thumb_exit): Update.
2311         (thumb1_expand_prologue): Update.
2312         (thumb1_expand_epilogue): Update.
2313         (arm_unwind_emit): Update.
2314         (arm_output_fn_unwind): Update.
2315         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
2316         * config/arm/arm.md: Update.
2317         * config/pa/pa.md: Update.
2318         * config/pa/pa.c (legitimize_pic_address): Update.
2319         (compute_frame_size): Update.
2320         (hppa_expand_prologue): Update.
2321         (hppa_expand_epilogue): Update.
2322         (borx_reg_operand): Update.
2323         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
2324         (HARD_REGNO_RENAME_OK): Update.
2325         * config/mips/mips.c (mips_global_pointer): Update.
2326         (mips_save_reg_p): Update.
2327         (mips_compute_frame_info): Update.
2328         (mips_frame_pointer_required): Update.
2329         (mips_expand_prologue): Update.
2330         (mips_expand_epilogue): Update.
2331         (mips_can_use_return_insn): Update.
2332         (mips_reorg_process_insns): Update.
2333         * config/v850/v850.c (compute_register_save_size): Update.
2334         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
2335         * config/mmix/mmix.c (along): Update.
2336         (mmix_expand_epilogue): Update.
2337         * config/bfin/bfin.c (legitimize_pic_address): Update.
2338         (must_save_p): Update.
2339         (stack_frame_needed_p): Update.
2340         (add_to_reg): Update.
2341         (bfin_expand_prologue): Update.
2342         * stmt.c (expand_asm_operands): Update.
2343         * reload1.c (reload): Update.
2344         (init_elim_table): Update.
2345
2346 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
2347         
2348         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
2349         
2350 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
2351
2352         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
2353         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
2354         (mov<mode>): Removed.
2355         (*movv4sf_internal): Likewise.
2356         (*movv2df_internal): Likewise.
2357
2358 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
2359
2360         * config.gcc (crx-*-elf): Remove deprecation.
2361
2362 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
2363
2364         * config/i386/cygming-crtend.c (register_frame_ctor): Register
2365         __gcc_deregister_frame with atexit.
2366         (deregister_frame_dtor): Remove.
2367
2368 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
2369             Nathan Sidwell  <nathan@codesourcery.com>
2370
2371         * config/rs6000/rs6000.opt (mspe): Remove Var property.
2372         (misel): Likewise.
2373         * config/rs6000/rs6000.h (rs6000_spe): Declare.
2374         (rs6000_isel): Likewise.
2375         * config/rs6000/rs6000.c (rs6000_spe): New variable.
2376         (rs6000_isel): New variable.
2377         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
2378
2379 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2380
2381         PR c++/35758
2382         * c-common.c (handle_vector_size_attribute): Call
2383         lang_hooks.types.reconstruct_complex_type instead of
2384         reconstruct_complex_type.
2385         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
2386         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
2387         * langhooks.h (struct lang_hooks_for_types): Add
2388         reconstruct_complex_type hook.
2389         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
2390         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
2391
2392 2008-04-24  Richard Guenther  <rguenther@suse.de>
2393
2394         * c-common.h (check_builtin_function_arguments): Declare.
2395         * c-common.c (validate_nargs): New function.
2396         (check_builtin_function_arguments): Likewise.
2397         * c-typeck.c (build_function_call): Call
2398         check_builtin_function_arguments.
2399         * builtins.c (fold_builtin_classify): Remove error reporting code.
2400         (fold_builtin_unordered_cmp): Likewise.
2401         (fold_builtin_1): Likewise.
2402         (fold_builtin_n): Likewise.
2403
2404 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2405
2406         PR tree-optimization/36008
2407         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
2408         the original op1, rather than delta by step.
2409
2410 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
2411             Sebastian Pop  <sebastian.pop@amd.com>
2412
2413         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
2414         eliminate_local_variables_stmt, eliminate_local_variables,
2415         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
2416         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
2417         of code delimited by two edges in the CFG.
2418         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
2419         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
2420         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
2421         the case of parallelisation of reductions.
2422         (expr_invariant_in_region_p): New.
2423
2424         * tree-flow.h (gather_blocks_in_sese_region): Declared.
2425         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
2426
2427 2008-04-24  Ira Rosen  <irar@il.ibm.com>
2428             Richard Guenther  <rguenther@suse.de>
2429
2430         PR tree-optimization/36034
2431         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
2432         incapable of dealing with loads with gaps.
2433
2434 2008-04-24  Rafael Espindola  <espindola@google.com>
2435
2436         * tree-flow.h (vrp_evaluate_conditional): Change signature.
2437         * tree-ssa-propagate.c (fold_predicate_in): Update call to
2438         vrp_evaluate_conditional.
2439         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
2440         (vrp_evaluate_conditional): Split the cond argument.
2441         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
2442         (simplify_stmt_for_jump_threading): Update call to
2443         vrp_evaluate_conditional.
2444
2445 2008-04-24  Ira Rosen  <irar@il.ibm.com>
2446
2447         PR tree-optimization/35982
2448         * tree-vect-analyze.c (vect_check_interleaving): Check that the
2449         interleaved data-refs are of the same type.
2450
2451 2008-04-24  Danny Smith  <dannysmith@users.net>
2452
2453         * c-format.c (check_format_info_main): Use strncmp rather than a
2454         magic prefix to handle multichar length specs.
2455         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
2456         Don't prefix "I64" and "I32" with '\0'.
2457
2458 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2459
2460         PR target/36015
2461         * config/i386/i386.c (init_cumulative_args): Don't pass anything
2462         in registers for -m32 only if stdarg_p (fntype).
2463
2464 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
2465
2466         PR rtl-optimization/36006
2467         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
2468         temp to op0 in order to avoid invalid rtx sharing.
2469
2470 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
2471
2472         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
2473         check TREE_INVARIANT.
2474         * tree-gimple.c (is_gimple_address): New.
2475         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
2476         * tree-gimple.h (is_gimple_address): New.
2477         * tree.h (decl_address_invariant_p): New.
2478         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
2479         (build_string): Likewise.
2480         (decl_address_invariant_p): New, from is_gimple_invariant_address.
2481         (tree_invariant_p_1): Likewise.
2482         (save_expr): Use it.
2483         (tree_invariant_p): New.
2484         (skip_simple_arithmetic): Use it.
2485         (stabilize_reference_1): Use it.
2486         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
2487         simplify.
2488         (build1_stat): Drop code to compute TREE_INVARIANT.
2489         (build2_stat): Drop code to compute TREE_INVARIANT.
2490         (build3_stat): Drop code to compute TREE_INVARIANT.
2491         (build4_stat): Drop code to compute TREE_INVARIANT.
2492         (build5_stat): Drop code to compute TREE_INVARIANT.
2493         (build7_stat): Drop code to compute TREE_INVARIANT.
2494         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
2495         * tree.h (struct tree_base): Remove invariant_flag.
2496         (TREE_INVARIANT): Remove.
2497         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
2498         (fold_builtin_expect): Check TREE_CONSTANT.
2499         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
2500         * c-tree.h (c_expr_to_decl): Drop third parameter.
2501         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
2502         (build_c_cast): Don't set TREE_INVARIANT.
2503         (pop_init_level): Don't set TREE_INVARIANT.
2504         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
2505         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
2506         TREE_CONSTANT.
2507         (gimplify_init_constructor): Don't set TREE_INVARIANT.
2508         (gimplify_addr_expr): Adjust comment.
2509         * tree-mudflap.c (mf_build_string):
2510         * print-tree.c (print_node): Don't print TREE_INVARIANT.
2511         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
2512         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
2513         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
2514         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
2515         * langhooks.h (struct lang_hooks): Drop third parameter from
2516         expr_to_decl.
2517
2518 2008-04-23  Richard Guenther  <rguenther@suse.de>
2519
2520         PR tree-optimization/27799
2521         PR tree-optimization/32921
2522         PR tree-optimization/32624
2523         * tree-ssa-structalias.c (merge_smts_into): Only merge the
2524         SMTs aliases and the tag itself into the solution.
2525         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
2526         merge the points-to solution back into the SMT aliases.
2527         (may_alias_p): Use alias_set_subset_of instead of
2528         aliases_conflict_p.  A pointer which points to
2529         memory with alias set zero may access any variable.
2530
2531 2008-04-23  Richard Guenther  <rguenther@suse.de>
2532
2533         * alias.c (alias_set_subset_of): Correctly handle asking
2534         if zero is a subset of an alias set with zero child.
2535         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
2536         (compute_flow_insensitive_aliasing): Correctly walk all
2537         pointers.  Do not unnecessarily union sets.
2538
2539 2008-04-23  Richard Guenther  <rguenther@suse.de>
2540
2541         PR middle-end/36021
2542         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
2543
2544 2008-04-22  Tomas Bily  <tbily@suse.cz>
2545
2546         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
2547         unreachable case.
2548         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
2549         NON_LVALUE_EXPR.
2550         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
2551         * tree-ssa-structalias.c (get_constraint_for): Likewise.
2552         * tree-inline.c (estimate_num_insns_1): Likewise.
2553         * varasm.c (const_hash_1, compare_constant, copy_constant)
2554         (compute_reloc_for_constant, output_addressed_constants): Likewise.
2555         * emit-rtl.c (component_ref_for_mem_expr)
2556         (set_mem_attributes_minus_bitpos): Likewise.
2557         * expr.c (highest_pow2_factor, expand_expr_real_1, )
2558         (is_aligning_offset): Likewise.
2559         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
2560         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
2561         * dojump.c (do_jump): Likewise.
2562         * builtins.c (get_pointer_alignment, get_memory_rtx)
2563         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
2564         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
2565
2566 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
2567
2568         PR rtl-optimization/36017
2569         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
2570         expanding the library call.
2571
2572 2008-04-22  Ian Lance Taylor  <iant@google.com>
2573
2574         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
2575         than size_in_bytes.
2576
2577 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
2578
2579         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
2580         of LR/CTR moves for Power6.
2581
2582 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
2583
2584         PR middle-end/36003
2585         * passes.c (init_optimization_passes): Remove
2586         pass_fast_rtl_byte_dce.
2587         
2588 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
2589
2590         PR target/29096
2591         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
2592         builtin functions to generate faster code.
2593         (_mm_cvtpu16_ps): Ditto.
2594         (_mm_cvtpi32x2_ps): Ditto.
2595
2596 2008-04-22  Nick Clifton  <nickc@redhat.com>
2597
2598         * common.opt (ftree-loop-distribution): Add Optimization
2599         attribute.
2600
2601         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
2602         (frv_expand_builtin_va_start): Likewise.
2603
2604         * config/arm/arm.c (thumb_find_work_register): Fix location of
2605         argument register count.
2606
2607 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
2608
2609         Support scheduling for ColdFire V1 and V3 microarchitecture.
2610         Improve scheduling of multiplication instructions.
2611
2612         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
2613         (mac): New instruction attribute.
2614         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
2615         (m68k_sched_mac): New variable.
2616         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
2617         Handle cfv1 and cfv3.
2618         (max_insn_size): New static variable.
2619         (struct _sched_ib): New type.
2620         (sched_ib): New static variable.
2621         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
2622         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
2623         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
2624         Update.
2625         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
2626         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
2627         new variables.  Update.
2628         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
2629         Add modeling of cfv3 instruction buffer.  Update.
2630         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
2631         * config/m68k/m68k.h (TUNE_CFV3): New macro.
2632         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
2633         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
2634         a particular reservation applies to.
2635         (type2): Reorganize attribute values.  Rename alu to alu_reg,
2636         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
2637         to mul_l and mul_w.
2638         (cf_ib_*): Simplify description of instruction buffer.
2639         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
2640         (cf_mem): Split into cf_mem1 and cf_mem2.
2641         (cf_v2_move_??): Rename to cfv12_alu_??.
2642         (cf_v2_move_l_??): Rename to cfv12_omove_??.
2643         (cf_v2_mul_??): Remove reservations.
2644         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
2645         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
2646         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
2647         appropriate place.
2648         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
2649         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
2650         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
2651         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
2652         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
2653         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
2654         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
2655         expansions of the above reservations for instructions of sizes
2656         1, 2 and 3 words.
2657
2658 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
2659
2660         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
2661
2662 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
2663
2664         * coverage.c: Include tree-pass.h.
2665         (coverage_counter_alloc): Print da_file_name to the dump file.
2666
2667 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
2668
2669         * sbitmap.c (sbitmap_range_empty_p): New function.
2670         * sbitmap.h (sbitmap_range_empty_p): New function.
2671         * bitmap.h: Now includes obstack.h.
2672
2673 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
2674             Kenneth Zadeck  <zadeck@naturalbridge.com>
2675
2676         * dbgcnt.def (ra_byte_scan): Added.
2677         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
2678         when the last hit happens for a counter.  
2679         * timevar.def (TV_DF_BYTE_LR): New variable.
2680         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
2681         * passes.c (pass_fast_rtl_byte_dce): New pass.
2682         * fwprop.c (update_df): Added mode to call df_ref_create.
2683         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
2684         DF_REF_EXTRACT_OFFSET.
2685         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, 
2686         DF_BYTE_LR_OUT, df_byte_lr): New macro.
2687         (df_mm): New enum.
2688         (df_ref_extract): Added mode field.
2689         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
2690         DF_REF_EXTRACT_OFFSET.
2691         (DF_REF_EXTRACT_MODE): New macro.
2692         (df_byte_lr_bb_info): New structure.
2693         (df_print_byte_regset, df_compute_accessed_bytes, 
2694         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
2695         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
2696         df_byte_lr_simulate_uses,
2697         df_byte_lr_simulate_artificial_refs_at_top,
2698         df_byte_lr_simulate_artificial_refs_at_end,
2699         df_compute_accessed_bytes): New function.
2700         (df_ref_create): Add parameter.
2701         (df_byte_lr_get_bb_info): New inline function.
2702         * df-scan.c (df_ref_record, df_uses_record,
2703         df_ref_create_structure): Added mode parameter.
2704         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, 
2705         df_defs_record, df_uses_record, df_get_conditional_uses,
2706         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, 
2707         df_entry_block_defs_collect, df_exit_block_uses_collect):
2708         Added mode parameter to calls to df_ref_record, df_uses_record,
2709         df_ref_create_structure.
2710         (df_ref_equal_p, df_ref_compare): Added test for modes.
2711         (df_ref_create_structure): Added code to set mode.  Renamed
2712         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
2713         DF_REF_EXTRACT_OFFSET.
2714         * df-core.c (df_print_byte_regset): New function.
2715         * df-byte-scan.c: New file.
2716         * df-problems.c (df_rd_transfer_function): Removed unnecessary
2717         calls to BITMAP_FREE.  
2718         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
2719         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
2720         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, 
2721         df_byte_lr_check_regs, df_byte_lr_expand_bitmap, 
2722         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
2723         df_byte_lr_local_compute, df_byte_lr_init,
2724         df_byte_lr_confluence_0, df_byte_lr_confluence_n, 
2725         df_byte_lr_transfer_function, df_byte_lr_free, 
2726         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
2727         df_byte_lr_add_problem, df_byte_lr_simulate_defs, 
2728         df_byte_lr_simulate_uses,
2729         df_byte_lr_simulate_artificial_refs_at_top,
2730         df_byte_lr_simulate_artificial_refs_at_end): New function.
2731         * dce.c (byte_dce_process_block): New function.
2732         (dce_process_block): au is now passed in rather than computed
2733         locally.  Changed loops that look at artificial defs to not look
2734         for conditional or partial ones, because there never are any.  
2735         (fast_dce): Now is able to drive byte_dce_process_block or 
2736         dce_process_block depending on the kind of dce being done.
2737         (rest_of_handle_fast_dce): Add parameter to fast_dce.
2738         (rest_of_handle_fast_byte_dce): New function.
2739         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
2740         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
2741
2742 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
2743
2744         PR fortran/35019
2745         * gcc.h: Added fortran options that take arguments to
2746         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
2747         macros.
2748
2749 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
2750
2751         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
2752         scalarization if on the LHS and not a full access.
2753
2754 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2755
2756         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
2757
2758 2008-04-18  Rafael Espindola  <espindola@google.com>
2759
2760         * tree-vrp.c (find_case_label_index): Fix the binary search.
2761         (find_case_label_range): New.
2762         (vrp_visit_switch_stmt): Use find_case_label_range.
2763         (simplify_switch_using_ranges): Use find_case_label_range.
2764
2765 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2766
2767         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
2768         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
2769
2770 2008-04-18  Tom Tromey  <tromey@redhat.com>
2771
2772         PR libcpp/15500:
2773         * doc/cpp.texi (Implementation-defined behavior): Mention
2774         -finput-charset.
2775
2776 2008-04-18  Ian Lance Taylor  <iant@google.com>
2777
2778         * fold-const.c (pointer_may_wrap_p): New static function.
2779         (fold_comparison): Add another test for pointer overflow.  Use
2780         pointer_may_wrap_p to disable some false positives.
2781
2782 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
2783           
2784         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
2785         (fname_as_string): Match updated cpp_interpret_string prototype.
2786         (fix_string_type): Support char16_t* and char32_t*.
2787         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
2788         derivative) nodes.  Register as builtin if C++0x.
2789         (c_parse_error): Support CPP_CHAR{16,32}.
2790         * c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
2791         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
2792         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
2793         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
2794         CTI_CHAR32_ARRAY_TYPE>: New elements.
2795         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
2796         char32_type_node, signed_char32_type_node, char16_array_type_node,
2797         char32_array_type_node): New defines.
2798         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
2799         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
2800         (lex_string): Support CPP_STRING{16,32}, match updated
2801         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
2802         (lex_charconst): Support CPP_CHAR{16,32}.
2803         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
2804         and CPP_STRING{16,32}.
2805
2806 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
2807
2808         PR bootstrap/35457
2809         * aclocal.m4: Regenerate.
2810         * configure: Regenerate.
2811
2812 2008-04-18  Jan Hubicka  <jh@suse.cz>
2813
2814         * except.c (dw2_size_of_call_site_table,
2815         sjlj_size_of_call_site_table): Use vector API for call_site_record.
2816
2817         * cgraphbuild.c (build_cgraph_edges): Update.
2818         * tree-pass.h: Update comment.
2819         * final.c (leaf_function_p): Update.
2820         (leaf_renumber_regs): Update.
2821         (rest_of_clean_state): Update.
2822         * omp-low.c (expand_omp_parallel): Update.
2823         * ipa-reference.c (analyze_function): Update.
2824         * reorg.c (find_end_label): Update.
2825         (optimize_skip): Update.
2826         (fill_simple_delay_slots): Update.
2827         (fill_simple_delay_slots): Update.
2828         (make_return_insns): Update.
2829         (dbr_schedule): Update.
2830         * gimple-low.c (record_vars_into): Update.
2831         * cfgbuild.c (make_edges): Update.
2832         * function.c (assign_stack_local): Update.
2833         (assign_parm_adjust_stack_rtl): Update.
2834         (locate_and_pad_parm): Update.
2835         (allocate_struct_function): Do not initialize stack_alignment_needed
2836         and preferred_stack_boundary here.
2837         (stack_protect_prologue): Update.
2838         (stack_protect_epilogue): Update.
2839         (expand_function_start): Initialize stack_alignment_needed,
2840         preferred_stack_boundary and max_jumptable_ents.
2841         (expand_function_end): Update.
2842         (free_after_compilation): Do not NULLify epilogue_delay_list.
2843         * function.h (struct rtl_data): Add stack_protect_guard,
2844         stack_alignment_needed,
2845         preferred_stack_boundary, epilogue_delay_list.
2846         (struct function): Remove value_histograms, stack_alignment_needed,
2847         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
2848         last_label_uid,
2849         unexpanded_var_list, stack_protect_guard.
2850         (current_function_epilogue_delay_list): Remove.
2851         * ipa-type-escape.c (analyze_function): Update.
2852         * gimplify.c (pop_gimplify_context): Update comment.
2853         * calls.c (expand_call): Update.
2854         (emit_library_call_value_1): Update.
2855         * except.c (set_nothrow_function_flags): Update.
2856         * cfgexpand.c (get_decl_align_unit): Update.
2857         (create_stack_guard): Update.
2858         (estimated_stack_frame_size): Update.
2859         (expand_used_vars): Update.
2860         (tree_expand_cfg): Free histogram earliers, init expansion variables.
2861         * explow.c (allocate_dynamic_stack_space): Update.
2862         * tree-ssa-live.c (remove_unused_locals): Update.
2863         * varasm.c (mark_constant_pool): Update.
2864         * tree-inline.c (remap_decls): Update.
2865         (initialize_cfun): Update.
2866         (declare_return_variable): Update.
2867         (inline_forbidden_p): Update.
2868         (expand_call_inline): Update.
2869         (declare_inline_vars): Update.
2870         (tree_function_versioning): Update.
2871         * tree-flow.h (value_histograms): New.
2872         (VALUE_HISTOGRAMS): New macro.
2873         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
2874         last_label_uid.
2875         * tree-cfg.c (set_bb_for_stmt): Update.
2876         (replace_by_duplicate_decl): Update.
2877         (move_block_to_fn): Update.
2878         (new_label_mapper): Update.
2879         (dump_function_to_file): Update.
2880         * ipa-struct-reorg.c (build_data_structure): Update.
2881         * cfgrtl.c (print_rtl_with_bb): Update.
2882         * reload1.c (reload): Update.
2883         (reload): Update.
2884         * config/i386/i386.c (setup_incoming_varargs_64,
2885         ix86_compute_frame_layout): Update.
2886         * config/arc/arc.c (arc_output_function_epilogue): Update.
2887
2888 2008-04-18  Marius Strobl <marius@FreeBSD.org>
2889
2890         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
2891         for FreeBSD as well.
2892         * gthr-posix95.h: Likewise.
2893
2894 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
2895
2896         PR rtl-optimization/35838
2897         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
2898         out the byte offset of the first subreg.
2899
2900 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
2901
2902         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
2903         to split_ti instead of three separate calls with single member arrays.
2904         (subti3 splitter): Ditto.
2905         (adddi3 splitter): Ditto with split_di.
2906         (subdi3 splitter): Ditto.
2907         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
2908         two separate calls with single member arrays.  Swap match_dup
2909         operands 1 and 2 to better fit into the array.
2910         (negdi2 splitter): Ditto with split_di.
2911         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
2912         two separate calls with single member arrays.  Swap match_dup operands
2913         6 and 7 to better fit into the array.
2914
2915 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
2916
2917         * config/i386/i386.c (sse_builtin_type): New.
2918         (bdesc_sse_args): Likewise.
2919         (bdesc_sse_3arg): Removed.
2920         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
2921         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
2922         IX86_BUILTIN_ROUNDPS.
2923         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
2924         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
2925         IX86_BUILTIN_ROUNDPS.
2926         (ix86_expand_sse_4_operands_builtin): Removed.
2927         (ix86_expand_sse_operands_builtin): New.
2928         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
2929         and CODE_FOR_sse4_1_roundps.
2930         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
2931         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
2932
2933 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
2934
2935         PR target/35907
2936         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
2937         regs before frame pop when needed.  If use_backchain_to_restore_sp
2938         then load backchain into a temp reg to restore vr and vrsave.  Add
2939         code to restore vr after frame pop if possible.
2940
2941 2008-04-17  Richard Guenther  <rguenther@suse.de>
2942
2943         * tree-vn.c (expressions_equal_p): Do not check type
2944         equality or compatibility before calling operand_equal_p.
2945         * fold-const.c (operand_equal_p): Check equivalence of
2946         integer constants before bailing out due to signedness or
2947         precision differences.
2948         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
2949         spurious differences in type qualification.  Ignore types
2950         for COMPONENT_REFs at all.
2951
2952 2008-04-17  Christian Bruel  <christian.bruel@st.com>
2953
2954         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
2955         msw_skip comparison.
2956         
2957 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
2958
2959         PR c/35739
2960         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
2961         reg type.
2962
2963         PR tree-optimization/35899
2964         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
2965         rather than TREE_OPERAND.
2966
2967 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
2968
2969         PR target/35944
2970         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
2971         temporary registers.  Change operand predicate to general_operand.
2972         (remainderxf3): Ditto.
2973
2974 2008-04-16  Richard Guenther  <rguenther@suse.de>
2975
2976         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
2977         * tree-affine.c (aff_combination_expand): Look through some
2978         conversions.
2979
2980 2008-04-15  Doug Kwan  <dougkwan@google.com>
2981
2982         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
2983         for hex printing.
2984         * tree-pretty-print.c (dump_generic_node): Ditto.
2985         * final.c (output_addr_const): Ditto.
2986         * dwarf2out.c (output_cfi): Ditto.
2987         * c-pretty-print.c (pp_c_integer_constant): Ditto.
2988         * print-rtl.c (print_rtx): Ditto.
2989         * print-tree.c (print_node_brief, print_node): Ditto.
2990         * c-common.c (match_case_to_enum_1): Ditto.
2991         * sched-vis.c (print_value): Ditto.
2992         * config/i386/i386.c (print_operand): Cast to long unsigned int
2993         for hex printing.
2994
2995 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
2996         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
2997         MS Windows VirtualProtect function.
2998
2999 2008-04-15  Jan Hubicka  <jh@suse.cz>
3000
3001         * gengtype.c (write_root): Param_is argument is OK.
3002         * expr.c (expand_expr_real_1): Update call of get_exception_*.
3003         * function.h: Include varray.h
3004         (rtl_eh): New stucture based on except.c one.
3005         (call_site_record): New forward declaration and vector type.
3006         * calls.c (emit_call_1): Do not call
3007         note_current_region_may_contain_throw.
3008         * except.c (eh_status): Remove cur_region, try_region since they are
3009         unused.
3010         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
3011         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
3012         sjlj_fc, sjlj_exit_after to rth_eh in function.h. 
3013         Remove call_site_data_used, call_site_data_size.
3014         Turn call_site_record into vector in function.h.
3015         (note_current_region_may_contain_throw): Remove.
3016         (get_exception_pointer, get_exception_filter): Do not take struct
3017         function argument; update.
3018         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
3019         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
3020         build_post_landing_pads, dw2_build_landing_pads,
3021         sjlj_assign_call_site_values, sjlj_mark_call_sites,
3022         sjlj_emit_function_enter, sjlj_emit_function_enter, 
3023         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
3024         sjlj_build_landing_pads, finish_eh_generation,
3025         remove_exception_handler_label, remove_eh_handler,
3026         maybe_remove_eh_handler, add_reachable_handler,
3027         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
3028         add_action_record, collect_one_action_chain, add_call_site,
3029         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
3030         sjlj_output_call_site_table, output_function_exception_table,
3031         * except.h (note_current_region_may_contain_throw): Remove
3032         (get_exception_pointer, get_exception_filter): Do not take struct
3033         function argument.
3034         * Makefile.in (GTFILES): Put varargs before struct function.
3035
3036 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
3037
3038         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
3039         punt for STRING_CST.
3040         (get_constraint_for): Deal with STRING_CST here instead.
3041
3042 2008-04-15  Richard Guenther  <rguenther@suse.de>
3043
3044         * tree-ssa-propagate.c (substitute_and_fold): Substitute
3045         statements in a basic-block with a backward walk.  Do not
3046         substitute into dead statements but instead remove those.
3047
3048 2008-04-15  Richard Guenther  <rguenther@suse.de>
3049
3050         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
3051         to zero, thus disable creation of SFTs.
3052
3053 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
3054
3055         * tree-predcom.c (suitable_reference_p): Return false if the
3056         reference can throw.
3057
3058 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
3059
3060         PR c/35751
3061         * c-decl.c (finish_decl): If extern or static var has variable
3062         size, set TREE_TYPE (decl) to error_mark_node.
3063
3064 2008-04-15  Rafael Espindola  <espindola@google.com>
3065
3066         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
3067         variable arg1.
3068
3069 2008-04-15  Richard Guenther  <rguenther@suse.de>
3070
3071         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
3072         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
3073         (visit_reference_op_load): Do walk vuse-vdef chains on
3074         vn_reference_lookup.
3075         (visit_reference_op_store): But do not here.
3076         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
3077         vn_reference_lookup.
3078         (vn_lookup_with_vuses): But do so here.
3079
3080 2008-04-14  Ian Lance Taylor  <iant@google.com>
3081
3082         * fold-const.c (fold_overflow_warning): Remove assertion.
3083
3084 2008-04-15  Ben Elliston  <bje@au.ibm.com>
3085
3086         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
3087         temp1 local variables.
3088
3089 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
3090
3091         PR target/35661
3092         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
3093         ".text.unlikely" section as executable.
3094
3095 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
3096
3097         * config/ia64/ia64.c (rtx_needs_barrier): Handle
3098         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
3099         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
3100         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
3101         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
3102         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
3103         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
3104
3105 2008-04-14  Ian Lance Taylor  <iant@google.com>
3106
3107         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
3108         * fold-const.c (fold_comparison): If appropriate, test
3109         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
3110         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
3111         reassociating a pointer type.
3112         * doc/invoke.texi (Optimize Options): Document that
3113         -fstrict-overflow applies to pointer wraparound.
3114
3115 2008-04-13  Jan Hubicka  <jh@suse.cz>
3116
3117         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
3118
3119 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
3120
3121         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
3122         we are going to "save the world".
3123
3124 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
3125
3126         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
3127         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
3128         operand 0 constraint, not "=".
3129
3130 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
3131
3132         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
3133
3134 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
3135
3136         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
3137         of size of positions_needed * CHAR_BIT.
3138
3139 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
3140
3141         PR middle-end/35897
3142         * dse.c (store_info): Change positions_needed to unsigned
3143         HOST_WIDE_INT.
3144         (lowpart_bitmask): New.
3145         (record_store): Cast to unsigned HOST_WIDE_INT for
3146         positions_needed.  Assert width <= size of positions_needed *
3147         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
3148         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
3149         lowpart_bitmask to set mask.
3150
3151 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
3152
3153         * config/bfin/constraints.md: New file.
3154         * config/bfin/bfin.md: Include it.
3155         (adddi3): Use satisfies_constraint functions instead of the old macros.
3156         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
3157         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
3158         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
3159         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
3160         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
3161         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
3162         EXTRA_CONSTRAINT): Delete.
3163         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
3164         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
3165         of the old macros.
3166         * config/bfin/bfin.c: Include "tm-constrs.h".
3167         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
3168         Use satisfies_constraint functions instead of the old macros.
3169         * doc/md.texi (Blackfin Constraints): Update file name reference.
3170
3171 2008-04-11  Richard Guenther  <rguenther@suse.de>
3172
3173         PR tree-optimization/35869
3174         * tree-vrp.c (execute_vrp): Move switch statement update after
3175         jump threading.  Schedule another cfg cleanup run.
3176
3177 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
3178
3179         PR c/35744
3180         * attribs.c (decl_attributes): Return early on errorneous node.
3181
3182 2008-04-10  Oleg Ryjkov  <olegr@google.com>
3183
3184         * tree.h (struct tree_base): Added a new flag default_def_flag.
3185         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
3186
3187 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3188
3189         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
3190
3191 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3192
3193         PR target/35768
3194         * pa.md: Define mode iterator P.  Define mode attribute dwc.
3195         (dcacheflush): Update pattern to use iterator P and attribute dwc.
3196         (icacheflush): Likewise.
3197         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
3198         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
3199
3200 2008-04-11  Ben Elliston  <bje@au.ibm.com>
3201
3202         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
3203
3204 2008-04-10  Rafael Espindola  <espindola@google.com>
3205
3206         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
3207         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
3208         (extract_range_from_expr): The same.
3209
3210 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
3211
3212         * config/mips/mips.md (GPR2): New mode iterator.
3213         (seq): Add comment.
3214         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
3215         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
3216         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
3217         Rewrite these to take two modes, the mode of comparison and the
3218         mode of the destination.
3219         * config/mips/mips.c (mips_expand_scc): Instead of having
3220         paradoxical subreg as destination, expand "narrowing" scc if mode
3221         of comparison is SI and target is requested in DI mode.
3222         (mips_emit_int_order_test): Update comment.  Make mode of
3223         comparison match CMP0 rather than TARGET.  When creating inverse
3224         target use mode of TARGET.
3225
3226 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
3227
3228         * gcov-dump.c (tag_summary): Only print summaries for the first
3229         GCOV_COUNTERS_SUMMABLE counters.
3230
3231 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
3232
3233         * config/i386/i386.md (absneg): New code iterator.
3234         (absnegprefix): New code attribute.
3235         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
3236         patterns using absneg code iterator.
3237         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
3238         using absneg code iterator.
3239         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
3240         *neg<mode>2 patterns using absneg code iterator.
3241         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
3242         *negextendsfdf2 patterns using absneg code iterator.
3243         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
3244         *negextendsfxf2 patterns using absneg code iterator.
3245         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
3246         *negextendsfdf2 patterns using absneg code iterator.
3247         * config/i386/sse.md (<code><mode>2): Macroize expander from
3248         abs<mode>2 and neg<mode>2 patterns using absneg code iterator. 
3249
3250 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
3251
3252         * config/s390/s390.h: Remove the remains of the recent search
3253         & replace action of current_function_outgoing_args_size.
3254
3255 2008-04-10  Ira Rosen  <irar@il.ibm.com>
3256
3257         PR tree-optimization/35821
3258         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
3259         NEW_STMT_LIST is not NULL.
3260
3261 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
3262
3263         PR libstdc++/35597
3264         * toplev.c (process_options): Remove -ffunction-sections debugging
3265         warning.
3266
3267 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
3268
3269         PR middle-end/PR28690
3270         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
3271         than gen_rtx_fmt_ee to perform more canonicalizations.
3272
3273 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3274
3275         PR driver/35665
3276         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
3277
3278 2008-04-09  Richard Guenther  <rguenther@suse.de>
3279
3280         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
3281         (dump_function_to_file): Dump function arguments with types.
3282
3283 2008-04-08  Richard Guenther  <rguenther@suse.de>
3284
3285         * fold-const.c (fold_widened_comparison): Do not allow
3286         sign-changes that change the result.
3287
3288 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
3289
3290         PR target/35839
3291         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
3292         kinds of indirect references.
3293
3294 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
3295
3296         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
3297         GNU Fortran language string.
3298
3299 2008-04-08  Rafael Espindola  <espindola@google.com>
3300
3301         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
3302         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
3303         * tree.h (tree_call_nonnegative_warnv_p): New.
3304
3305 2008-04-08  Jan Hubicka  <jh@suse.cz>
3306
3307         * function.c (free_after_compilation): Clear out regno_reg_rtx
3308         pointer.
3309
3310 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
3311
3312         Revert
3313         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
3314
3315         PR middle-end/PR28690
3316         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
3317         same precedence as REG_POINTER and MEM_POINTER operands.
3318
3319 2008-04-08  Richard Guenther  <rguenther@suse.de>
3320
3321         PR middle-end/35834
3322         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
3323         for adding index to base.
3324
3325 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
3326
3327         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
3328         (MINGW_ENABLE_EXECUTE_STACK): New.
3329         (IN_LIBGCC2): For libgcc include windows.h file for
3330         function declarations.
3331
3332 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
3333
3334         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
3335         and tem2 if tem1 is not a REG or MULT.
3336
3337 2008-04-08  Jan Hubicka  <jh@suse.cz>
3338
3339         * function.h (incomming_args): Break out of struct function.
3340         (function_subsections): Break out of struct function.
3341         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
3342         return_rtx and hard_reg_initial_vals from struct function.
3343         Kill inl_max_label_num.
3344         (current_function_pops_args, current_function_args_info,
3345         current_function_args_size, current_function_args_size,
3346         current_function_pretend_args_size,
3347         current_function_outgoing_args_size,
3348         current_function_internal_arg_pointer, current_function_return_rtx):
3349         Kill compatibility accestor macros.
3350         * builtins.c (expand_builtin_apply_args_1): Update.
3351         (expand_builtin_next_arg): Update.
3352         * df-scan.c (df_get_call_refs): Update.
3353         * dbxout.c (dbxout_function_end): Update.
3354         * dwarf2out.c (dwarf2out_switch_text_section): Update.
3355         (output_line_info): Update.
3356         (secname_for_decl): Update.
3357         (dwarf2out_var_location): Update.
3358         * function.c (free_after_compilation): Update.
3359         (assign_parm_find_stack_rtl): Update.
3360         (assign_parms): Update.
3361         (expand_dummy_function_end): Update.
3362         (expand_function_end): Update.
3363         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
3364         (expand_call): Update.
3365         (emit_library_call_value_1): Update.
3366         (store_one_arg): Update.
3367         * varasm.c (initialize_cold_section_name): Update.
3368         (unlikely_text_section): Update.
3369         (unlikely_text_section_p): Update.
3370         (assemble_start_function): Update.
3371         (assemble_end_function): Update.
3372         (default_section_type_flags): Update.
3373         (switch_to_section): Update.
3374         * integrate.c (set_decl_abstract_flags): Update.
3375         (get_hard_reg_initial_val): Update.
3376         (has_hard_reg_initial_val): Update.
3377         (allocate_initial_values): Update.
3378         * resource.c (init_resource_info): Update.
3379         * config/alpha/alpha.c (NUM_ARGS): Update.
3380         (direct_return): Update.
3381         (alpha_va_start): Update.
3382         (alpha_sa_size): Update.
3383         (alpha_initial_elimination_offset): Update.
3384         (alpha_expand_prologue): Update.
3385         (alpha_start_function): Update.
3386         (alpha_expand_epilogue): Update.
3387         (unicosmk_initial_elimination_offset):
3388         * config/alpha/alpha.md (call expander): Update.
3389         * config/s390/s390.c (s390_register_info): Update.
3390         (s390_register_info): Update.
3391         (s390_frame_info): Update.
3392         (s390_initial_elimination_offset): Update.
3393         (s390_build_builtin_va_list): Update.
3394         (s390_va_start): Update.
3395         * config/spu/spu.c (direct_return): Update.
3396         (spu_expand_prologue): Update.
3397         (spu_initial_elimination_offset): Update.
3398         (spu_build_builtin_va_list): Update.
3399         (spu_va_start): Update.
3400         * config/sparc/sparc.c (sparc_init_modes): Update.
3401         (sparc_compute_frame_size): Update.
3402         (function_value): Update.
3403         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
3404         * config/i386/i386.md (return expander): Update.
3405         * config/i386/i386.c (ix86_va_start): Update.
3406         (ix86_can_use_return_insn_p): Update.
3407         (ix86_compute_frame_layout): Update.
3408         (ix86_expand_epilogue): Update.
3409         * config/sh/sh.c (output_stack_adjust): Update.
3410         (calc_live_regs): Update.
3411         (sh_expand_prologue): Update.
3412         (sh_builtin_saveregs): Update.
3413         (sh_va_start): Update.
3414         (initial_elimination_offset): Update.
3415         (sh_allocate_initial_value): Update.
3416         (sh_function_ok_for_sibcall): Update.
3417         (sh_get_pr_initial_val): Update.
3418         * config/sh/sh.md (return expander): Update.
3419         * config/avr/avr.c (frame_pointer_required_p): UPdate.
3420         * config/crx/crx.c (crx_compute_frame): UPdate.
3421         (crx_initial_elimination_offset): UPdate.
3422         * config/xtensa/xtensa.c (compute_frame_size): Update
3423         (xtensa_builtin_saveregs): Update.
3424         (xtensa_va_start): Update.
3425         (order_regs_for_local_alloc): Update.
3426         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
3427         (xstormy16_expand_builtin_va_start): Update.
3428         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
3429         * config/m68hc11/m68hc11.md (return expanders): Update.
3430         * config/m68hc11/m68hc11.c (expand_prologue): Update.
3431         (expand_epilogue): Update.
3432         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
3433         (cris_simple_epilogue): Update.
3434         (cris_expand_prologue): Update.
3435         (cris_expand_epilogue): Update.
3436         * config/iq2000/iq2000.c (iq2000_va_start): Update.
3437         (compute_frame_size): Update.
3438         * config/mt/mt.c (mt_compute_frame_size): Update.
3439         * config/mn10300/mn10300.c (expand_prologue): Update.
3440         (expand_epilogue): Update.
3441         (initial_offset): Update.
3442         (mn10300_builtin_saveregs):
3443         * config/mn10300/mn10300.md (return expander): Update.
3444         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
3445         (ia64_initial_elimination_offset): Update.
3446         (ia64_initial_elimination_offset): Update.
3447         (ia64_expand_prologue): Update.
3448         * config/m68k/m68k.md (return expander): Update.
3449         * config/rs6000/rs6000.c (rs6000_va_start): Update.
3450         (rs6000_stack_info): Update.
3451         * config/mcore/mcore.c (layout_mcore_frame): Update.
3452         (mcore_expand_prolog): Update.
3453         * config/arc/arc.c (arc_compute_frame_size): Update.
3454         * config/score/score3.c (score3_compute_frame_size): Update.
3455         * config/score/score7.c (score7_compute_frame_size): Update.
3456         * config/arm/arm.c (use_return_insn): Update.
3457         (thumb_find_work_register): Update.
3458         (arm_compute_save_reg_mask): Update.
3459         (arm_output_function_prologue): Update.
3460         (arm_output_epilogue): Update.
3461         (arm_size_return_regs): Update.
3462         (arm_get_frame_offsets): Update.
3463         (arm_expand_prologue): Update.
3464         (thumb_exit): Update.
3465         (thumb_unexpanded_epilogue): Update.
3466         (thumb1_output_function_prologue): Update.
3467         * config/pa/pa.md (return expander): Update.
3468         * config/pa/pa.c (compute_frame_size): Update.
3469         (hppa_builtin_saveregs): Update.
3470         * config/mips/mips.c (mips_va_start): Update.
3471         (mips16_build_function_stub): Update.
3472         (mips_compute_frame_info): Update.
3473         (mips_restore_gp): Update.
3474         (mips_output_function_prologue): Update.
3475         (mips_expand_prologue): Update.
3476         * config/v850/v850.c (compute_frame_size): Update.
3477         (expand_prologue): * config/mmix/mmix.c (along): update.
3478         (mmix_initial_elimination_offset): update.
3479         (mmix_reorg): update.
3480         (mmix_use_simple_return): update.
3481         (mmix_expand_prologue): update.
3482         (mmix_expand_epilogue): Update.
3483         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
3484         (emit_link_insn): Update.
3485
3486 2008-04-08  Anatoly Sokolov <aesok@post.ru>
3487
3488         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define 
3489         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL 
3490         instructions.
3491         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for 
3492         atmega103 device.
3493
3494 2008-04-07  Jan Hubicka  <jh@suse.cz>
3495
3496         * function.h (rtl): Rename to x_rtl.
3497         (crtl): New define.
3498         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
3499         frame_offset, stack_check_probe_note, arg_pointer_save_area,
3500         used_temp_slots avail_temp_slots, temp_slot_level,
3501         nonlocal_goto_handler_labels): Update accesstors.
3502         (rtl): New global variable.
3503         (struct function): Move some fileds to rtl_data.
3504         (get_arg_pointer_save_area): Update prototype.
3505         * builtins.c (expand_builtin_setjmp_receiver): Update call of
3506         get_arg_pointer_save_area.
3507         * expr.c (init_expr): Update
3508         * function.c (get_frame_size): Update
3509         (assign_stack_local): Update
3510         (expand_function_end): Update.
3511         (get_art_pointer_save_area): Update
3512         * function.h 
3513         * emit-rtl.c (rtl): Declare.
3514         (regno_reg_rtx): Declare.
3515         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
3516         Update.
3517         (gen_reg_rtx): Update.
3518         * varasm.c (n_deferred_constatns): Update accestor.
3519         (init_varasm_status): Do not allocate varasm_status.
3520         (force_const_mem, get_pool_size, output_constant_pool): Update.
3521         * stmt.c (force_label_rtx): Do not use x_ prefixes.
3522         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
3523         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
3524         * sparc/sparc.h (INIT_EXPANDERS): Update.
3525         * ia64/ia64.h (INIT_EXPANDERS): Update.
3526
3527 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
3528
3529         * reload.c (push_secondary_reload): Add missing break to for loop.
3530
3531 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
3532
3533         PR middle-end/PR28690
3534         * rtlanal.c: Update copyright years.
3535         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
3536         as REG_POINTER and MEM_POINTER operands.
3537         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
3538         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
3539         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
3540         * gcse.c: Update copyright years.
3541         (pre_delete): Call gen_reg_rtx_and_attrs.
3542         (hoist_code): Likewise.
3543         (build_store_vectors): Likewise.
3544         (delete_store): Likewise.
3545         * loop-invariant.c (move_invariant_reg): Likewise.
3546         Update copyright years.
3547
3548 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
3549
3550         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
3551         control string instead of quoted.
3552
3553 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
3554
3555         * doc/rtl.texi: Rewrite of subreg section.
3556
3557 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
3558
3559         PR/35842
3560         * config/i386/i386.c (legitimize_pic_address): Add treating
3561         of dllimport SYM_REF's.
3562         (legitimize_dllimport_symbol): Add prototype.
3563
3564 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
3565
3566         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
3567         reference in constructor with non self-referential type.
3568
3569 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
3570
3571         Removal of Return with Depressed Stack Pointer support
3572         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
3573         (ECF_SP_DEPRESSED): Likewise.
3574         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
3575         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
3576         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
3577         (expand_call): Do not test ECF_SP_DEPRESSED.
3578         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
3579         * function.c (keep_stack_depressed): Delete.
3580         (handle_epilogue_set): Likewise.
3581         (update_epilogue_consts): Likewise.
3582         (emit_equiv_load): Likewise.
3583         (thread_prologue_and_epilogue_insns): Remove support for Return with
3584         Depressed Stack Pointer.
3585         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
3586
3587 2008-04-06  Richard Guenther  <rguenther@suse.de>
3588
3589         PR tree-optimization/35400
3590         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
3591         information from SSA_NAMEs.
3592
3593 2008-04-06  Anatoly Sokolov <aesok@post.ru>
3594
3595         * config/avr/avr.h (avr_mega_p): Remove declaration.
3596         (AVR_MEGA): Remove macro.
3597         * config/avr/avr.c (avr_mega_p): Remove variable.
3598         (avr_override_options): Remove inicializion of avr_mega_p.
3599         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
3600         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
3601         (avr_jump_mode): (Ditto.).
3602         (avr_output_progmem_section_asm_op): (Ditto.).
3603         (avr_asm_init_sections): (Ditto.).
3604         (avr_asm_init_sections): (Ditto.).
3605         (avr_rtx_costs): (Ditto.).
3606         * config/avr/avr.md: (Ditto.).
3607         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
3608         '__AVR_MEGA__'.
3609
3610 2008-04-06  Richard Guenther  <rguenther@suse.de>
3611
3612         PR tree-optimization/35842
3613         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
3614         is_gimple_invariant_address.
3615
3616 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
3617
3618         * gcc.c (default_compilers): Sync Fortran extensions list with
3619         that in fortran/lang-specs.h.
3620         * doc/invoke.texi: Likewise.
3621         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
3622         * dwarf2out.c (gen_compile_unit_die): Likewise.
3623
3624 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
3625
3626         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
3627
3628 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
3629
3630         PR target/12329
3631         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
3632         attribute is used for nested functions.
3633
3634 2008-04-05  Jan Hubicka  <jh@suse.cz>
3635
3636         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
3637
3638         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
3639         letter argument.
3640         (dump_files): Update.
3641         (enable_rtl_dump_file): Do not accept letter argument.
3642         * tree-pass.h (dump_file_info): Remove letter argument.
3643         * toplev.c (decode_d_option): Update -da handling.
3644         * toplev.h (enable_rtl_dump_file): Update prototype.
3645         * passes.c (register_one_dump_file): Do not accept IPA argument; work
3646         it out based on pass type.
3647         (register_dump_files_1): Likewise.
3648         (init_optimization_passes): Update register_one_dump_file calls.
3649         (execute_one_pass): Sanity check that IPA passes are called at IPA
3650         level and RTL passes at RTL level.
3651         (execute_pass_list): IPA pass can not be after or subpass of
3652         GIMPLE/RTL pass.
3653         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
3654         disallov RTL subpasses of IPA subpasses.
3655
3656 2008-04-05  Ben Elliston  <bje@au.ibm.com>
3657
3658         * tree-cfg.c (need_fake_edge_p): Return false for calls to
3659         builtins that return exactly once and do not throw. Cache call to
3660         call_expr_flags.
3661
3662 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
3663
3664         PR rtl-optimization/34916
3665         PR middle-end/35519
3666         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
3667         between instruction pairs.
3668
3669 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
3670
3671         * doc/invoke.texi: Document -mbitops for SH.
3672         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
3673         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
3674         * config/sh/sh.c (print_operand): Add %t operand code.
3675         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
3676         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
3677         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
3678         (extendqihi2): Likewise.
3679         (movqi_i): Likewise.
3680         (insv): Use bset, bclr and bst instructions for SH2A if possible.
3681         (extv): Use bld instruction for SH2A if possible.
3682         (extzv): Likewise.
3683         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
3684         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
3685         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
3686         (bset.b, bclr.b): Define peepholes.
3687         * config/sh/sh.opt (mbitops): New option.
3688
3689 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
3690
3691         PR target/35620
3692         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
3693         and view convert expression.
3694
3695 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
3696
3697         PR target/35364
3698         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
3699
3700 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
3701
3702         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
3703
3704         * config/i386/cpuid.h (bit_AES): New.
3705         (bit_PCLMUL): Likewise.
3706
3707         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
3708         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
3709         SSE2 if AES or PCLMUL is enabled.
3710         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
3711         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
3712         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
3713         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
3714         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
3715         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
3716         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
3717         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
3718         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
3719         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
3720         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
3721         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
3722         __builtin_ia32_aeskeygenassist128 and
3723         __builtin_ia32_pclmulqdq128.
3724         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
3725         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
3726         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
3727
3728         * config/i386/i386.h (TARGET_AES): New.
3729         (TARGET_PCLMUL): Likewise.
3730         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
3731
3732         * config/i386/i386.md (UNSPEC_AESENC): New.
3733         (UNSPEC_AESENCLAST): Likewise.
3734         (UNSPEC_AESDEC): Likewise.
3735         (UNSPEC_AESDECLAST): Likewise.
3736         (UNSPEC_AESIMC): Likewise.
3737         (UNSPEC_AESKEYGENASSIST): Likewise.
3738         (UNSPEC_PCLMUL): Likewise.
3739
3740         * config/i386/i386.opt (maes): New.
3741         (mpclmul): Likewise.
3742
3743         * config/i386/sse.md (aesenc): New pattern.
3744         (aesenclast): Likewise.
3745         (aesdec): Likewise.
3746         (aesdeclast): Likewise.
3747         (aesimc): Likewise.
3748         (aeskeygenassist): Likewise.
3749         (pclmulqdq): Likewise.
3750
3751         * config/i386/wmmintrin.h: New.
3752
3753         * doc/extend.texi: Document AES and PCLMUL built-in function.
3754
3755         * doc/invoke.texi: Document -maes and -mpclmul.
3756
3757 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
3758
3759         * function.c (free_after_parsing): Replace with
3760         cxx_push_function_context from C++ front-end.
3761         (allocate_struct_function): Don't call langhook.
3762         * langhooks.h (struct lang_hooks_for_functions): Delete.
3763         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
3764         member "function".
3765         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
3766         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
3767         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
3768         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
3769         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
3770         remove LANG_HOOKS_FUNCTION_INITIALIZER.
3771         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
3772
3773         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
3774         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
3775         
3776 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
3777
3778         PR c/35440
3779         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
3780         for all types.
3781
3782 2008-04-04  Richard Guenther  <rguenther@suse.de>
3783
3784         PR middle-end/35823
3785         * fold-const.c (optimize_minmax_comparison): Use the correct
3786         type for the constant in the simplified comparison.
3787
3788 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
3789
3790         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
3791         Pass L2 size as "--param l2-cache-size" to the compiler.
3792         (decode_l2_cache): New function to decode L2 cache parameters using
3793         0x8000006 extended cpuid function.
3794         (detect_caches_amd): Determine parameters of L2 cache using
3795         decode_l2_caches function.
3796         (decode_caches_intel): Decode L2 cache parameters.
3797         (detect_caches_intel): Determine L2 cache parameters using
3798         decode_caches_intel and decode_l2_caches functions.
3799
3800 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
3801
3802         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
3803         secondary input reload for subword loads from the constant pool.
3804
3805 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
3806
3807         PR target/35713
3808         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
3809           constants of the appropriate size for runtime calculations.
3810
3811         PR c/35712
3812         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
3813           decimal-float literal constant zero.
3814
3815 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
3816
3817         PR c/35738
3818         * c-parser.c (c_parser_omp_atomic): Call
3819         default_function_array_conversion on the RHS.
3820
3821         PR middle-end/35818
3822         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
3823         call is_variable_sized if decl has incomplete type.
3824
3825 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
3826
3827         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
3828
3829 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
3830
3831         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
3832         iterators.
3833         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
3834         (sgt<u>): Merge sgt and sgtu into new expander.
3835         (sgt, sgtu): Remove expanders.
3836         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
3837         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
3838         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
3839         *sgtu_<mode>_mips16 into new pattern.
3840         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
3841         (sge<u>): Merge sge and sgeu into new expander.
3842         (sge, sgeu): Remove expanders.
3843         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
3844         new pattern.
3845         (*sge_<mode>, second *sge_<mode>): Remove patterns.
3846         (slt<u>): Merge slt and sltu into new expander.
3847         (slt, sltu): Remove expanders.
3848         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
3849         (*slt_<mode>, *sltu_<mode>): Remove patterns.
3850         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
3851         *sltu_<mode>_mips16 into new pattern.
3852         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
3853         (sle<u>): Merge sle and sleu into new expander.
3854         (sle, sleu): Remove expanders.
3855         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
3856         (*sle_<mode>, *sleu_<mode>): Remove patterns.
3857         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
3858         *sleu_<mode>_mips16 into new pattern.
3859         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
3860
3861 2008-04-03  Jan Hubicka  <jh@suse.cz>
3862
3863         PR tree-optimization/35795
3864         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
3865         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
3866         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
3867         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
3868         * score/score3.c (score3_output_mi_thunk): Likewise.
3869         * score/score7.c (score7_output_mi_thunk): Likewise.
3870         * mips/mips.c (mips_output_mi_thunk): Likewise.
3871
3872 2008-04-03  Richard Guenther  <rguenther@suse.de>
3873
3874         * tree-vrp.c (extract_range_from_unary_expr): Handle all
3875         conversions.  Simplify code.
3876
3877 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
3878
3879         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
3880
3881 2008-04-03  Tom Tromey  <tromey@redhat.com>
3882             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3883
3884         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
3885         * config/bfin/t-bfin-linux (generated_files): Add
3886         linux-sysroot-suffix.h.
3887         * doc/install.texi (Prerequisites): Require make 3.80.
3888         * doc/sourcebuild.texi (Front End Directory): Document new
3889         variable.
3890         * Makefile.in (generated_files): New variable.
3891         (ALL_HOST_OBJS): New variable.
3892         ($(ALL_HOST_OBJS)): New target.
3893
3894 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
3895
3896         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
3897         (remap_block): Call id->transform_lang_insert_block instead
3898         of langhook.
3899         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
3900         Set id.transform_lang_insert_block to NULL.
3901         (clone_body): Move to cp/optimize.c
3902         * tree-inline.h (struct copy_body_data): Change
3903         transform_lang_insert_block to function pointer.
3904         (copy_generic_body, copy_decl_no_change): Export.
3905         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
3906         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
3907         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
3908
3909         * c-tree.h (insert_block): Kill.
3910         * c-decl.c (insert_block): Kill.
3911
3912 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
3913
3914         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
3915         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
3916         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
3917         argument.
3918         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
3919         argument, call {push,pop}_function_context from here.
3920         * c-parser.c: Use c_{push,pop}_function_context.
3921
3922         * function.c (push_function_context_to): Move meat ...
3923         (push_function_context): ... here.  Simplify.
3924         * function.c (pop_function_context_from): Move meat ...
3925         (pop_function_context): ... here.  Simplify.
3926         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
3927         leave_nested).
3928         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
3929         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
3930         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
3931         * tree.h (push_function_context_to, pop_function_context_from): Remove.
3932
3933 2008-04-03  Ben Elliston  <bje@au.ibm.com>
3934
3935         * expmed.c (extract_force_align_mem_bit_field): Remove.
3936
3937 2008-04-03  Richard Guenther  <rguenther@suse.de>
3938
3939         PR middle-end/35800
3940         * expr.h (try_casesi): Adjust prototype.
3941         * expr.c (try_casesi): Take fallback label as extra parameter.
3942         Use that for gen_casesi if default_label is NULL.
3943         * stmt.c (expand_case): Pass fallback label to try_casesi,
3944         make sure to fill gaps with a fallback label if default_label
3945         is not present.
3946
3947 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
3948