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* config/i386/i386.c (ix86_secondary_reload): New static function.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-05-18  Uros Bizjak  <ubizjak@gmail.com>
2
3         * config/i386/i386.c (ix86_secondary_reload): New static function.
4         (TARGET_SECONDARY_RELOAD): New define.
5         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
6         * config/i386/i386.md (reload_outqi): Remove.
7
8 2008-05-18 Xinliang David Li   <davidxl@google.com>
9
10         * gcc/tree-ssa-dce.c: Coding style fix.
11         (check_pow): Documentation comment. 
12         (check_log): Documenation comment. Coding style fix.
13         (is_unnecessary_except_errno_call): Ditto.
14         (gen_conditions_for_pow): Ditto.
15         (gen_conditions_for_log): Ditto.
16         (gen_shrink_wrap_conditions): Ditto.
17         (shrink_wrap_one_built_in_calls): Ditto.
18         * gcc/doc/invoke.texi: Better documentation string.
19         * ChangeLog: Fix wrong change log entries from 
20         May 17 checkin on function call DCE.
21
22 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
23
24         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
25
26 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
27
28         * tree-inline.c (setup_one_parameter): Remove dead code.
29
30 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
31
32         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
33         a BIT_AND_EXPR only for an INTEGER_TYPE.
34
35 2008-05-17 Xinliang David Li   <davidxl@google.com>
36
37         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
38         (check_pow, check_log, is_unnecessary_except_errno_call): New 
39         functions to check for eliminating math functions that are pure 
40         except for setting errno.
41         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
42         general condition expressions for shrink-wrapping pow/log calls.
43         (gen_shrink_wrap_conditions): Ditto.
44         (shrink_wrap_one_built_in_call): Ditto.
45         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
46         (mark_operand_necessary): If debugging, output if OP is necessary.
47         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
48         unnecessary.
49         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
50         opt level >= 2.
51         * gcc/common.opt: New user flag -ftree-builtin-dce.
52         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
53
54 2008-05-16  David S. Miller  <davem@davemloft.net>
55
56         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
57         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
58
59 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
60
61         PR target/36246
62         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
63
64 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
65
66         * ifcvt.c (dead_or_predicable): Rename
67         df_simulate_one_insn_backwards to df_simulate_one_insn.
68         * recog.c (peephole2_optimize): Ditto.
69         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq): Ditto.
70         * df.h: Rename df_simulate_one_insn_backwards to
71         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
72         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
73         scanning of defs and uses.
74         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
75         (df_simulate_one_insn_forwards): Removed.
76
77 2008-05-16  Doug Kwan  <dougkwan@google.com>
78
79         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
80         QNaN & SNaN.
81         (real_from_string): Handle NaNs and Inf as approriate.
82
83 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
84
85         * doc/gty.texi (Source Files Containing Type Information): Note
86         that headers should appear first in the gtfiles list.
87
88 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
89
90         * tree.def (COND_EXEC): Properly documented this code.
91
92 2008-05-16  Diego Novillo  <dnovillo@google.com>
93
94         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
95         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
96         the new field.
97
98 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
99
100         * tree-ssa-dse (max_stmt_uid): Removed.
101         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt, 
102         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
103         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
104         * function.h (cfun.last_stmt_uid): New field.
105         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
106         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
107         New functions.
108         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
109         (create_stmt_ann): Initialize the ann->uid field.
110         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
111         with new calls.
112         * tree-flow.h (renumber_gimple_stmt_uids): New function.
113
114 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
115
116         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
117         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
118         (init_empty_tree_cfg): Call it.
119
120 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
121
122         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
123         Update all users.
124
125 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
126
127         * doc/invoke.text (-fdump-tree-*-verbose): New option.
128         * tree-dump.c (dump_options): New verbose option.
129         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
130         Add verbose dump.
131         * tree-pass.h (TDF_VERBOSE): New dump flag.
132         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
133         (tree-flow.h): Added include.
134         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
135
136 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
137
138         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
139
140         From Jie Zhang  <jie.zhang@analog.com>
141         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
142         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
143         mcpu=bf561-none and mcpu=bf561-0.2.
144         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
145         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
146         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
147         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
148         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
149         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
150         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
151         option.
152         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
153         (cputype_selected): Remove.
154         (bfin_handle_option): Don't use cputype_selected.
155         (override_options): When no mcpu option, enable all workarounds.
156         Don't use bfin_workarounds.
157         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
158         processor type.
159         (DEFAULT_CPU_TYPE): Don't define.
160
161 2008-05-16  Richard Guenther  <rguenther@suse.de>
162
163         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
164         on deletion of the last stmt.
165
166 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
167
168         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
169         V8HImode for SSE2 and V16QImode for SSE4.1.
170
171 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
172
173         * cgraph.h (compute_inline_parameters): Made public.
174         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
175         variable_generate_summary, function_write_summary,
176         variable_write_summary, variable_read_summary.  Added generate_summary,
177         write_summary, read_summary.
178         * cgraphunit.c (cgraph_process_new_functions): Changed call from
179         pass_ipa_inline.function_generate_summary, to
180         compute_inline_parameters. 
181         * ipa-inline.c (compute_inline_parameters): Made public and added
182         node parameter.
183         (compute_inline_parameters_for_current): New function.
184         (pass_inline_param): Now calls compute_inline_parameters_for_current.
185         (inline_generate_summary): Removed parameter and made to loop over
186         all cgraph nodes.
187         (pass_ipa_inline): Updated for new IPA_PASS structure.
188         * passes.c (execute_ipa_summary_passes): Now is called once per
189         pass rather than once per node*pass.
190         
191 2008-05-15  Anatoly Sokolov <aesok@post.ru>
192
193         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p, 
194         avr_have_mul_p, avr_asm_only_p): Remove variables.
195         (avr_override_options): Remove initialization of removed variables.
196         (avr_file_start):  Convert removed variables to fields of 
197         'struct base_arch_s *avr_current_arch'. 
198         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
199         (AVR_HAVE_MUL): (Ditto.).
200         (AVR_HAVE_MOVW): (Ditto.).
201         (AVR_HAVE_LPMX): (Ditto.). 
202         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p, 
203         avr_asm_only_p): Remove declaration.
204
205 2008-05-15  Diego Novillo  <dnovillo@google.com>
206
207         * config/arm/arm.c (arm_return_in_memory): Fix return type.
208         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
209
210 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
211
212         PR middle-end/36194
213         * combine.c (check_conversion): Rename back to check_promoted_subreg.
214         Don't call record_truncated_value from here.
215         (record_truncated_value): Turn it into a for_each_rtx callback.
216         (record_truncated_values): New function.
217         (combine_instructions): Call note_uses with record_truncated_values.
218         Change name of check_conversion to check_promoted_subreg. 
219
220 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
221
222         * doc/sourcebuild.texi: Document support for torture tests.
223
224 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
225
226         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
227         to alternative 4 of operand 2.
228
229 2008-05-15  Richard Guenther  <rguenther@suse.de>
230
231         * tree-pass.h (current_pass): Declare.
232         (get_pass_for_id): Likewise.
233         * passes.c (passes_by_id, passes_by_id_size): New globals.
234         (set_pass_for_id): New function.
235         (get_pass_for_id): Likewise.
236         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
237         (execute_function_todo): Flush per function statistics.
238         * toplev.c (compile_file): Init statistics.
239         (general_init): Do early statistics initialization.
240         (finalize): Finish statistics.
241         * statistics.h (statistics_early_init): Declare.
242         (statistics_init): Likewise.
243         (statistics_fini): Likewise.
244         (statistics_fini_pass): Likewise.
245         (statistics_counter_event): Likewise.
246         (statistics_histogram_event): Likewise.
247         * statistics.c: New file.
248         * Makefile.in (OBJS-common): Add statistics.o.
249         (statistics.o): Add dependencies.
250         * doc/invoke.texi (-fdump-statistics): Document.
251
252         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
253         (insert): Likewise.
254         (execute_pre): Use statistics_counter_event.
255         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
256         (substitute_and_fold): Increment it.  Use statistics_counter_event.
257
258 2008-05-15  Diego Novillo  <dnovillo@google.com>
259
260         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
261
262         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
263         * tree-ssa-alias.c (new_type_alias): Remove references to
264         sub-variables from comment.
265         * tree-ssa-operands.c (swap_tree_operands): Likewise.
266
267 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
268
269         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
270         attribute to 1 only for insertps alternative.
271
272 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
273
274         * config/bfin/bfin.md (loadbytes): New pattern.
275         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
276         (bfin_init_builtins): Initialize it.
277         (bdesc_1arg): Add it.
278
279 2008-05-15  Sa Liu  <saliu@de.ibm.com>
280
281         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
282         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
283         * testsuite/lib/target-supports.exp: Add
284         check_effective_target_fortran_integer_16.
285
286 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
287
288         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
289         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
290         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
291         (TARGET_RETURN_IN_MEMORY): Define.
292
293 2008-05-15  Richard Guenther  <rguenther@suse.de>
294
295         PR middle-end/36244
296         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
297         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
298         represent unmodifiable vars.
299
300 2008-05-15  Richard Guenther  <rguenther@suse.de>
301
302         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
303         INDIRECT_REF and TARGET_MEM_REF.
304         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
305         TARGET_MEM_REF.
306
307 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
308             H.J. Lu  <hongjiu.lu@intel.com>
309
310         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
311         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
312         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
313         insn alternatives.  Add missing alternatives.
314         (*vec_concatv2di_rex64_sse4_1): Likewise.
315         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
316         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
317         Require TARGET_SSE.
318
319 2008-05-15  Richard Guenther  <rguenther@suse.de>
320
321         PR tree-optimization/36009
322         PR tree-optimization/36204
323         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
324         (determine_invariantness_stmt): Record the loop a store is
325         always executed in.
326         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
327         dependency.
328
329 2008-05-15  Richard Guenther  <rguenther@suse.de>
330
331         PR tree-optimization/34330
332         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
333         through the pointer will alias the SMT.
334
335 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
336
337         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
338
339 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
340
341         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
342
343 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
344             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
345
346         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
347         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
348         (vashl_optab): New optab for vector/vector shifts.
349         (vashr_optab): Ditto.
350         (vlshr_optab): Ditto.
351         (vrotl_optab): Ditto.
352         (vrotr_optab): Ditto.
353         (optab_subtype): New enum for optab_for_tree_code call.
354         (optab_for_tree_code): Add enum optab_subtype argument.
355
356         * optabs.c (optab_for_tree_code): Take an additional argument to
357         distinguish between a vector shift by a scalar and vector shift by
358         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
359         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
360         vector shift by a vector.
361         (expand_widen_pattern_expr): Pass additional argument to
362         optab_for_tree_code.
363
364         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
365         vrotl_optab, vrotr_optab.
366
367         * expr.c (expand_expr_real_1): Update calls to
368         optab_for_tree_code to distinguish between vector shifted by a
369         scalar and vector shifted by a vector.
370         * tree-vectorizer.c (supportable_widening_operation): Ditto.
371         (supportable_narrowing_operation): Ditto.
372         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
373         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
374         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
375         (vect_create_epilog_for_reduction): Ditto.
376         (vectorizable_reduction): Ditto.
377         (vectorizable_operation): Ditto.
378         (vect_strided_store_supported): Ditto.
379         (vect_strided_load_supported): Ditto.
380         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
381         * expmed.c (expand_shift): Ditto.
382
383         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
384         scalar type.
385         (ashr@var{m}3): Ditto.
386         (vashl@var{m}3): Document new vector/vector shift standard name.
387         (vashr@var{m}3): Ditto.
388         (vlshr@var{m}3): Ditto.
389         (vrotl@var{m}3): Ditto.
390         (vrotr@var{m}3): Ditto.
391
392         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
393         (PPERM_INVERT): Ditto.
394         (PPERM_REVERSE): Ditto.
395         (PPERM_REV_INV): Ditto.
396         (PPERM_ZERO): Ditto.
397         (PPERM_ONES): Ditto.
398         (PPERM_SIGN): Ditto.
399         (PPERM_INV_SIGN): Ditto.
400         (PPERM_SRC1): Ditto.
401         (PPERM_SRC2): Ditto.
402
403         * config/i386/sse.md (mulv2di3): Add SSE5 support.
404         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
405         allows a memory operand to be the value being added, and split it
406         to improve vectorization.
407         (sse5_pmacsdqh_mem): Ditto.
408         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
409         (sse5_mulv2div2di3_high): Ditto.
410         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
411         (vec_pack_trunc_v4si): Ditto.
412         (vec_pack_trunc_v2di): Ditto.
413         (sse5_pcmov_<mode>): Remove code that tried to use use
414         andps/andnps instead of pcmov.
415         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
416         pmacsdqh instructions.
417         (vec_widen_smult_lo_v4si): Ditto.
418
419         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
420         (PPERM_INVERT): Ditto.
421         (PPERM_REVERSE): Ditto.
422         (PPERM_REV_INV): Ditto.
423         (PPERM_ZERO): Ditto.
424         (PPERM_ONES): Ditto.
425         (PPERM_SIGN): Ditto.
426         (PPERM_INV_SIGN): Ditto.
427         (PPERM_SRC1): Ditto.
428         (PPERM_SRC2): Ditto.
429         (ix86_expand_sse_movcc): Move the SSE5 test after the if
430         true/false tests.
431         (ix86_expand_int_vcond): If SSE5 generate all possible integer
432         comparisons.
433         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
434         says ignore whether the last reference is a memory operand.
435
436 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
437             Paolo Bonzini <bonzini at gnu dot org>
438
439         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
440         shift patterns.
441
442         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
443         (vlshr<mode>3): Rename from vlshr<mode>3.
444         (vashr<mode>3): Rename from vashr<mode>3.
445         (mulv4sf3): Change the names of vector shift patterns.
446         (mulv4si3): Ditto.
447         (negv4sf2): Ditt.
448
449         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
450         shift insns.
451
452         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
453         (SI_SHLHI): Ditto.
454         (SI_SHL): Ditto.
455         (SI_SHLI): Ditto.
456         (SI_ROTH): Ditto.
457         (SI_ROTHI): Ditto.
458         (SI_ROT): Ditto.
459         (SI_ROTI): Ditto.
460         (SPU_RL_0): Ditto.
461         (SPU_RL_1): Ditto.
462         (SPU_RL_2): Ditto.
463         (SPU_RL_3): Ditto.
464         (SPU_RL_4): Ditto.
465         (SPU_RL_5): Ditto.
466         (SPU_RL_6): Ditto.
467         (SPU_RL_7): Ditto.
468         (SPU_SL_0): Ditto.
469         (SPU_SL_1): Ditto.
470         (SPU_SL_2): Ditto.
471         (SPU_SL_3): Ditto.
472         (SPU_SL_4): Ditto.
473         (SPU_SL_5): Ditto.
474         (SPU_SL_6): Ditto.
475         (SPU_SL_7): Ditto.
476
477         * config/spu/spu.md (v): New iterator macro to add v for vector types.
478         (floatunssidf2_internal): Change vector/vector shift names.
479         (floatunsdidf2_internal): Ditto.
480         (mulv8hi3): Ditto.
481         (ashrdi3): Ditto.
482         (ashrti3): Ditto.
483         (cgt_df): Ditto.
484         (cgt_v2df): Ditto.
485         (dftsv): Ditto.
486         (vashl<mode>3): Rename from ashl<mode>3.
487         (vashr<mode>3): Rename from ashr<mode>3.
488         (vlshr<mode>3): Rename from lshr<mode>3.
489         (vrotl<mode>3): Rename from rotl<mode>3.
490
491 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
492
493         PR target/36224
494         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
495         multiply gives the wrong value when doing widening multiplies.
496         (vec_widen_smult_lo_v4si): Ditto.
497
498 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
499
500         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
501         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
502         emit_library_call_value. 
503         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
504         * tree.h (ECF_LIBCALL_BLOCK): Removed.
505         * calls.c (initialize_argument_information, precompute_arguments, 
506         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
507         (precompute_arguments): Removed flags parameter.
508         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
509         
510 2008-05-14  Richard Guenther  <rguenther@suse.de>
511
512         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
513         Make sure to register the store if the use is a PHI_NODE.
514
515 2008-05-14  Olivier Hainque  <hainque@adacore.com>
516
517         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
518         memory if the component is to be referenced in BLKmode according
519         to get_inner_reference.
520
521 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
522
523         * calls.c (emit_library_call_value_1): Restore code clearing
524         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
525
526 2008-05-14  Olivier Hainque  <hainque@adacore.com>
527             Nicolas Roche  <roche@adacore.com>
528
529         * configure.ac: Add support for a "gcc_subdir" variable in
530         config-lang.in, to denote a subdirectory where the language/GCC
531         integration files are to be found.
532         * configure: Regenerate.
533
534 2008-05-14  Ira Rosen  <irar@il.ibm.com>
535
536         PR tree-optimization/36098
537         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
538         value for the first load in the group in case of a gap.
539         (vect_build_slp_tree): Check that there are no gaps in loads.
540
541 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
542
543         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
544         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
545         expand_copysign_bit, ): Change call to emit_no_conflict_block to
546         emit_insn and remove unneeded code to construct extra args.
547         (emit_no_conflict_block): Removed.
548         * optabls.h: (emit_no_conflict_block): Removed.
549         * cse.c (cse_extended_basic_block): Remove search for
550         REG_NO_CONFLICT note.
551         * global.c: Removed incorrect comment added in revision 117.
552         * expr.c (convert_move): Change call to emit_no_conflict_block to
553         emit_insn.
554         * recog.c: Change comments so that they do not mention
555         REG_NO_CONFLICT.
556         * local_alloc.c (combine_regs): Removed last parameter.
557         (no_conflict_p): Removed.
558         (block_alloc): Removed note, no_conflict_combined_regno and set
559         local vars. Removed all code to process REG_NO_CONFLICT blocks.
560         (combine_regs): Removed already_dead and code to look for
561         REG_NO_CONFLICT notes.
562         * lower_subreg (remove_retval_note): Removed code to look for
563         REG_NO_CONFLICT block.
564         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
565         (resolve_clobber): Remove code to process libcalls that have
566         REG_NO_CONFLICT notes.
567         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
568         case.
569         * combine.c (can_combine_p, distribute_notes):  Removed
570         REG_NO_CONFLICT case.
571         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
572         to emit_insns.
573         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
574         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
575         Ditto.
576         * reg-notes.def (NO_CONFLICT): Removed.
577
578 2008-05-14  David S. Miller  <davem@davemloft.net>
579
580         * config/sparc/sparc.c (sparc_profile_hook): If
581         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
582         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
583         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
584
585 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
586
587         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
588
589 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
590
591         PR target/36222
592         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
593         and op1 expansion before vector concat to have less live pseudos.
594
595 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
596
597         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
598         ix86_expand_vector_set if supported.
599
600 2008-05-13  Diego Novillo  <dnovillo@google.com>
601             Kenneth Zadeck  <zadeck@naturalbridge.com>
602
603         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
604
605         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
606         phinodes_print_statistics, init_ssanames, fini_ssanames,
607         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
608         release_ssa_name, release_defs, replace_ssa_name_symbol,
609         ssanames_print_statistics): Move ...
610         * tree-flow.h: ... here.
611         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
612         Use FN instead of cfun.
613         (make_ssa_name_fn): Rename from make_ssa_name.
614         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
615         * tree-flow-inline.h (make_ssa_name): Move from
616         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
617         * omp-low.c (expand_omp_parallel):
618         * tree-flow-inline.h (redirect_edge_var_map_result):
619         * tree-ssa.c (init_tree_ssa): Add argument FN.
620         Use it instead of cfun.  Update all users.
621
622 2008-05-13  Tom Tromey  <tromey@redhat.com>
623
624         PR preprocessor/22168:
625         * doc/cpp.texi (Top): Update menu.
626         (Alternatives to Wrapper #ifndef): New node.
627         (Other Directives): Document deprecation.
628         (Obsolete Features): Remove menu.
629         (Assertions): Merge node into Obsolete Features.
630         (Obsolete once-only headers): Move earlier; rename to Alternatives
631         to Wrapper #ifndef.
632         * doc/cppopts.texi: Update.
633         * c.opt (Wdeprecated): Enable for C and ObjC.
634         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
635         (C++ Dialect Options): Move -Wno-deprecated from here to...
636         (Warning Options): ... here.
637
638 2008-05-13  Richard Guenther  <rguenther@suse.de>
639
640         PR middle-end/36227
641         * fold-const.c (fold_sign_changed_comparison): Do not allow
642         changes in pointer-ness.
643
644 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
645
646         PR target/24713
647         * config/sh/sh.c (sh_expand_prologue): Don't clear
648         RTX_FRAME_RELATED_P for push insns.
649
650 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
651
652         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
653
654 2008-05-12  Anatoly Sokolov <aesok@post.ru>
655
656         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
657         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
658         Use 'machine->is_leaf' instead of 'leaf_func_p'.
659
660 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
661
662         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
663         (*vec_concatv4sf_sse): This.
664         (*sse2_concatv2si): Renamed to ...
665         (*vec_concatv2si_sse2): This.
666         (*sse1_concatv2si): Renamed to ...
667         (*vec_concatv2si_sse): This.
668         (*vec_concatv2di_rex): Renamed to ...
669         (*vec_concatv2di_rex64): This.
670         (*vec_concatv2si_sse4_1): New.
671         (*vec_concatv2di_rex64_sse4_1): Likewise.
672
673 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
674
675         PR rtl-optimization/36111
676         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
677         that was created for swappable operands.
678
679 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
680
681         PR ada/36001
682         * Makefile.in: Substitute GNATMAKE and GNATBIND.
683         * configure.ac: Add call to ACX_PROG_GNAT.
684
685 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
686
687         * optc-gen.awk: Fix comment typo.
688
689 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
690
691         * pretty-print.c (pp_integer_with_precision): Use
692         HOST_LONG_LONG_FORMAT.
693
694 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
695
696         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
697                 
698 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
699
700         * config/i386/i386.c (bdesc_ptest): Removed.
701         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
702         (bdesc_args): Add __builtin_ia32_ptestz128,
703         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
704         (ix86_init_mmx_sse_builtins): Updated.
705         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
706         (ix86_expand_builtin): Updated.
707
708 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
709
710         * tree-cfg.c (valid_fixed_convert_types_p): New function.
711         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
712
713 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
714
715         * value-prof.c (interesting_stringop_to_profile): Do not
716         return early for BUILT_IN_MEMPCPY.
717
718 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
719
720         * calls.c (expand_call): Don't use callgraph to increase
721         preferred_stack_boundary.
722
723         * cgraph.h (cgraph_rtl_info): Use unsigned on
724         preferred_incoming_stack_boundary.
725
726         * final.c (rest_of_clean_state): Use unsigned on
727         preferred_stack_boundary.
728
729 2008-05-09  Tom Tromey  <tromey@redhat.com>
730
731         PR preprocessor/22231:
732         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
733         proceeding.
734
735 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
736
737         PR tree-optimization/36129
738         * tree-ssa-ccp.c: Include value-prof.h.
739         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
740         built-in function was folded to a constant.
741         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
742
743 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
744             Sebastian Pop  <sebastian.pop@amd.com>
745
746         * tree-scalar-evolution.c: Document instantiate_scev.
747         (instantiate_parameters_1): Renamed instantiate_scev_1.
748         Don't use the same loop for instantiation_loop and evolution_loop.
749         (instantiate_scev): New.
750         (instantiate_parameters): Moved...
751         (resolve_mixers): Update call to instantiate_scev_1 to pass the
752         same loop twice.  Maintains the semantics for this function.
753         * tree-scalar-evolution.h (instantiate_scev): Declare.
754         (instantiate_parameters): ...here.  Now static inline.
755         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
756         instead of resolve_mixers.
757
758 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
759
760         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
761
762 2008-05-09  Tomas Bily  <tbily@suse.cz>
763
764         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
765         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
766         * tree-ssa-structalias.c (get_constraint_for): Likewise.
767         * c-common.c (c_common_truthvalue_conversion): Likewise.
768         * tree-object-size.c (compute_object_offset): Likewise.
769         * tree-inline.c (estimate_num_insns_1): Likewise.
770         * varasm.c (const_hash_1, compare_constant, copy_constant)
771         (compute_reloc_for_constant, output_addressed_constants)
772         (initializer_constant_valid_p): Likewise.
773         * c-omp.c (check_omp_for_incr_expr): Likewise.
774         * gimplify.c (gimplify_expr): Likewise.
775         * c-typeck.c (c_finish_return): Likewise.
776         * tree-vectorizer.c (supportable_widening_operation)
777         (supportable_narrowing_operation): Likewise.
778         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
779         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
780         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
781         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
782         (descr_info_loc): Likewise.
783         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
784         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
785         (fold_unary): Likewise.
786         * builtins.c (get_pointer_alignment): Likewise.
787         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
788         (instantiate_parameters_1): Likewise.
789         * tree.c (expr_align, stabilize_reference): Likewise.
790         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
791         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
792         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
793         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
794         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
795         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
796         Likewise.
797         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
798         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
799         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
800         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
801         (forward_propagate_comparison)
802         (tree_ssa_forward_propagate_single_use_vars): Likewise.
803         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
804         * emit-rtl.c (component_ref_for_mem_expr)
805         (set_mem_attributes_minus_bitpos): Likewise.
806         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
807         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
808         Likewise.
809         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
810         (build_function_call, pointer_diff, build_compound_expr)
811         (c_finish_return): Likewise.
812         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
813         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
814         Likewise.
815         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
816         * expr.c (is_aligning_offset): Likewise.
817         * tree-ssa-alias.c (is_escape_site): Likewise.
818         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
819         (check_all_va_list_escapes): Likewise.
820         * tree-ssa-loop-ivopts.c (determine_base_object)
821         (determine_common_wider_type): Likewise.
822         * dojump.c (do_jump): Likewise.
823         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
824         * tree-gimple.c (is_gimple_cast): Likewise.
825         * fold-const.c (decode_field_reference, )
826         (fold_sign_changed_comparison, fold_unary, fold_comparison)
827         (fold_binary): Likewise.
828         * tree-ssa-alias-warnings.c (find_alias_site_helper)
829         (already_warned_in_frontend_p): Likewise.
830         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
831         * tree.c (really_constant_p, get_unwidened): Likewise.
832         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
833         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
834         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
835         Likewise.
836         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
837         CONVERT_EXPR_P.
838         (CONVERT_EXPR_P): Define.
839         (CASE_CONVERT): Define.
840         
841 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
842
843         PR middle-end/36117
844         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
845         (delete_unmarked_insns): When deleting a call, call
846         delete_unreachable_blocks.
847         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
848         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
849
850 2008-05-08  Richard Guenther  <rguenther@suse.de>
851
852         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
853         (-ftree-salias): Likewise.
854         (salias-max-implicit-fields): Remove param documentation.
855         (salias-max-array-elements): Likewise.
856         * tree-pass.h (pass_create_structure_vars): Remove.
857         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
858         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
859         * tree-ssa-alias.c (create_structure_vars): Remove.
860         (gate_structure_vars): Likewise.
861         (pass_create_structure_vars): Likewise.
862         (gate_build_alias): Likewise.
863         (pass_build_alias): Adjust to run always and dump the function.
864         * common.opt (ftree-salias): Hide.
865         * passes.c (init_optimization_passes): Remove
866         pass_create_structure_vars, adjust comment.
867         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
868         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
869         * opts.c (decode_options): Do not set flag_tree_salias.
870         (common_handle_option): Add OPT_ftree_salias to the backward
871         compatibility section.
872
873 2008-05-08  Richard Guenther  <rguenther@suse.de>
874
875         * tree-flow-inline.h (var_can_have_subvars): Move ...
876         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
877         * tree-flow.h (var_can_have_subvars): Remove.
878         (push_fields_onto_fieldstack): Remove.
879         (sort_fieldstack): Likewise.
880         (struct fieldoff): Move ...
881         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
882         alias_set and base_for_components fields.
883         (sort_fieldstack): Make static.
884         (push_fields_onto_fieldstack): Likewise.  Remove code that
885         handles anything but RECORD_TYPEs.  Remove alias_set and
886         base_for_components handling.
887         (create_variable_info_for): Adjust.
888
889 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
890
891         * common.opt (Wframe-larger-than=): Shorten the help message
892         to one line.
893         * doc/invoke.texi (Wframe-larger-than=): Add more description.
894
895 2008-05-08  Rafael Espindola  <espindola@google.com>
896
897         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
898         trap.
899         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
900         trap and that both operands are gimple values.
901         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
902         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
903         is a fp operation.
904
905 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
906
907         * read-rtl.c (join_c_conditions): Return the first string if the
908         two strings are equal.
909
910 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
911
912         * gensupport.h (pred_data): Add a "num_codes" field.
913         (add_predicate_code): Declare.
914         * gensupport.c (add_predicate_code): New function.
915         (std_pred_table): Add an "allows_const_p" field.
916         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
917         Remove the (incomplete) list of such codes from the codes field.
918         (init_predicate_table): Use add_predicate_code.  Add all
919         RTX_CONST_OBJs if allows_const_p is true.
920         * genrecog.c (process_define_predicate): Use add_predicate_code.
921
922 2008-05-08  David Daney  <ddaney@avtrex.com>
923             Richard Sandiford  <rsandifo@nildram.co.uk>
924         
925         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
926         special case of constant zero operands.
927         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
928         old and new values.  Special case constant zero values.
929         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
930         fails.
931         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
932         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
933
934 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
935
936         PR target/36090
937         * simplify-rtx.c (simplify_plus_minus): Create CONST of
938         similar RTX_CONST_OBJ before CONST_INT.
939
940 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
941
942         * stmt.c (expand_stack_restore): Change sa mode if needed.
943
944 2008-05-08  Richard Guenther  <rguenther@suse.de>
945
946         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
947         return type to bool.
948         (ix86_sol10_return_in_memory): Likewise.
949         (ix86_i386elf_return_in_memory): Likewise.
950         (ix86_i386interix_return_in_memory): Likewise.
951         * config/i386/i386.c (ix86_return_in_memory): Likewise.
952         (ix86_sol10_return_in_memory): Likewise.
953         (ix86_i386elf_return_in_memory): Likewise.
954         (ix86_i386interix_return_in_memory): Likewise.
955
956 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
957
958         PR bootstrap/36180
959         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
960         fndecl argument.
961         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
962         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
963         declared in front.
964
965 2008-05-08  Richard Guenther  <rguenther@suse.de>
966
967         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
968         * tree-data-ref.h (struct dr_alias): Remove subvars field.
969         (DR_SUBVARS): Remove.
970         * tree-dfa.c (dump_subvars_for): Remove.
971         (debug_subvars_for): Likewise.
972         (dump_variable): Do not dump subvars.
973         (remove_referenced_var): Do not remove subvars.
974         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
975         (lookup_subvars_for_var): Remove.
976         (get_subvars_for_var): Likewise.
977         (get_subvars_at): Likewise.
978         (get_first_overlapping_subvar): Likewise.
979         (overlap_subvar): Likewise.
980         * tree-flow.h (subvar_t): Remove.
981         (struct var_ann_d): Remove subvars field.
982         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
983         argument.  Remove special handling of SFTs.
984         (compute_tag_properties): Likewise.
985         (set_initial_properties): Likewise.
986         (compute_call_clobbered): Likewise.
987         (count_mem_refs): Likewise.
988         (compute_memory_partitions): Likewise.
989         (compute_flow_insensitive_aliasing): Likewise.
990         (setup_pointers_and_addressables): Likewise.
991         (new_type_alias): Likewise.
992         (struct used_part): Remove.
993         (used_portions): Likewise.
994         (struct used_part_map): Likewise.
995         (used_part_map_eq): Likewise.
996         (used_part_map_hash): Likewise.
997         (free_used_part_map): Likewise.
998         (up_lookup): Likewise.
999         (up_insert): Likewise.
1000         (get_or_create_used_part_for): Likewise.
1001         (create_sft): Likewise.
1002         (create_overlap_variables_for): Likewise.
1003         (find_used_portions): Likewise.
1004         (create_structure_vars): Likewise.
1005         * tree.def (STRUCT_FIELD_TAG): Remove.
1006         * tree.h (MTAG_P): Adjust.
1007         (struct tree_memory_tag): Remove base_for_components and
1008         unpartitionable flags.
1009         (struct tree_struct_field_tag): Remove.
1010         (SFT_PARENT_VAR): Likewise.
1011         (SFT_OFFSET): Likewise.
1012         (SFT_SIZE): Likewise.
1013         (SFT_NONADDRESSABLE_P): Likewise.
1014         (SFT_ALIAS_SET): Likewise.
1015         (SFT_UNPARTITIONABLE_P): Likewise.
1016         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
1017         (union tree_node): Remove sft field.
1018         * alias.c (get_alias_set): Remove special handling of SFTs.
1019         * print-tree.c (print_node): Remove handling of SFTs.
1020         * tree-dump.c (dequeue_and_dump): Likewise.
1021         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
1022         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
1023         * tree-predcom.c (set_alias_info): Do not set subvars.
1024         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
1025         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
1026         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
1027         (add_vars_for_offset): Remove.
1028         (add_virtual_operand): Remove special handling of SFTs.
1029         (add_call_clobber_ops): Likewise.
1030         (add_call_read_ops): Likewise.
1031         (get_asm_expr_operands): Likewise.
1032         (get_modify_stmt_operands): Likewise.
1033         (get_expr_operands): Likewise.
1034         (add_to_addressable_set): Likewise.
1035         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
1036         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
1037         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
1038         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
1039         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
1040         (tree_node_structure): Likewise.
1041         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
1042         handling of SFTs.
1043         (find_what_p_points_to): Likewise.
1044
1045 2008-05-08  Sa Liu  <saliu@de.ibm.com>
1046
1047         * config/spu/spu.md: Fixed subti3 pattern.
1048
1049 2008-05-08  Richard Guenther  <rguenther@suse.de>
1050
1051         PR middle-end/36154
1052         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
1053         sure to create a representative for trailing arrays for PTA.
1054
1055 2008-05-08  Richard Guenther  <rguenther@suse.de>
1056
1057         PR middle-end/36172
1058         * fold-const.c (operand_equal_p): Two objects which types
1059         differ in pointerness are not equal.
1060
1061 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
1062
1063         * calls.c (compute_argument_block_size): Add argument tree fndecl.
1064         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
1065         (emit_library_call_value_1): Add new variable fndecl initialized by
1066         NULL_TREE. It should be the decl type of orgfun, but this information
1067         seems not to be available here, so it uses the default calling abi.
1068         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
1069         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
1070         by TARGET_RETURN_IN_MEMORY.
1071         * config/i386/i386-interix.h: Likewise.
1072         * config/i386/i386.h: Likewise.
1073         * config/i386/i386elf.h: Likewise.
1074         * config/i386/ptx4-i.h: Likewise.
1075         * config/i386/sol2-10.h: Likewise.
1076         * config/i386/sysv4.h: Likewise.
1077         * config/i386/vx-common.h: Likewise.
1078         * config/cris/cris.h: Removed #if 0 clause.
1079         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
1080         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
1081         argument.
1082         (ix86_sol10_return_in_memory): Likewise.
1083         (ix86_i386elf_return_in_memory): New.
1084         (ix86_i386interix_return_in_memory): New.
1085         * config/mt/mt-protos.h (mt_return_in_memory): New.
1086         * config/mt/mt.c: Likewise.
1087         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
1088         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
1089         * config/bfin/bfin.h: Likewise.
1090         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
1091         argument.
1092         * config/bfin/bfin.c: Likewise.
1093         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
1094         * config/alpha/unicosmk.h: Likewise.
1095         * config/i386/cygming.h: Likewise.
1096         * config/iq2000/iq2000.h: Likewise.
1097         * config/mips/mips.h: Likewise.
1098         * config/mn10300/mn10300.h: Likewise.
1099         * config/rs6000/rs6000.h: Likewise.
1100         * config/score/score.h: Likewise.
1101         * config/spu/spu.h: Likewise.
1102         * config/v850/v850.h: Likewise.
1103         * defaults.h: Likewise.
1104         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
1105         * expr.c (emit_block_move): Adjust use of
1106         OUTGOING_REG_PARM_STACK_SPACE.
1107         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
1108         OUTGOING_REG_PARM_STACK_SPACE.
1109         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
1110
1111 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
1112
1113         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
1114         on OMP_RETURN for OMP_FOR.
1115
1116         PR debug/35896
1117         * dwarf2out.c (dw_expand_expr, common_check): Removed.
1118         (fortran_common): New function.
1119         (gen_variable_die): Call fortran_common instead of common_check,
1120         adjust for it returning tree instead of rtx.  Formatting.
1121
1122 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
1123
1124         PR rtl/7335
1125         PR rtl/33826
1126         * see.c (see_copy_insn): Copy new pure const attributes for new call.
1127         * c-decl.c (merge_decls): Ditto.
1128         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
1129         to RTL_CONST_OR_PURE_CALL_P.
1130         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
1131         Initialized DECL_LOOPING_CONST_PURE.
1132         (process_call_operands): Set tree_side_effects properly.
1133         * tree.h (TREE_READONLY_DECL_P): Removed.
1134         (DECL_IS_PURE): Renamed to DECL_PURE_P.
1135         (DECL_LOOPING_OR_CONST_P): New macro.
1136         (struct tree_function_decl): Added looping_const_or_pure_p.
1137         (ECF_*) Renumbered.
1138         (ECF_LOOPING_OR_CONST_P): New macro.
1139         * rtlanal.c (pure_const_p): Removed.
1140         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
1141         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
1142         to RTL_CONST_CALL_P.
1143         * ipa-pure-const.c (pure_const_state_e): Added looping field.
1144         (check_decl, check_tree, check_call, scan_function): Initialize
1145         looping.
1146         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
1147         (static_execute): Set looping true for recursive functions.
1148         Undo setting state to IPA_NEITHER for recursive functions.
1149         * cse.c (cse_insn): 
1150         * ifcvt.c (noce_can_store_speculate_p): Changed
1151         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or 
1152         RTL_CONST_OR_PURE_CALL_P.
1153         * dse.c (scan_insn): Ditto.
1154         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
1155         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
1156         RTL_CONST_OR_PURE_CALL_P.
1157         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
1158         pure_call_p to RTL_CONST_CALL_P.
1159         * gimplify.c (gimplify_call_expr): Clear side effects for
1160         non-looping pure and constant calls.
1161         * calls.c (emit_call_1): Set rtl flags from ecf flags.
1162         (flags_from_decl_or_type): Set ecf flags from decl flags.
1163         (initialize_argument_information): Turn off
1164         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
1165         Change const to pure if callee_copies is true rather than just
1166         turning off const.
1167         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
1168         way of marking pure calls.
1169         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
1170         Remove hack that was supposed to fix pr7335 and remove old
1171         way of marking pure calls.
1172         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
1173         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
1174         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
1175         RTL_CONST_OR_PURE_CALL_P.
1176         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
1177         * loop-invariant.c (find_exits, find_invariant_bb): Changed
1178         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
1179         * sched-deps.c (schedule_analyze): Ditto.
1180         * rtl.h (struct rtx_def): Use call field, unchanging field, and
1181         return_val field of calls to represent pure and const function info.
1182         (CONST_OR_PURE_CALL_P): Deleted macro.
1183         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
1184         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
1185         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
1186         TREE_READONLY.
1187         * tree-optimize.c (execute_fixup_cfg): Added test for
1188         ECF_LOOPING_CONST_OR_PURE.
1189         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
1190         DECL_PURE_P.
1191         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
1192         effects for looping pure or const calls.
1193         (verify_gimple_expr): Added verification code. 
1194         * config/alpha/alpha.c (alpha_legitimize_address,
1195         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
1196         RTL_CONST_CALL_P.
1197         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
1198         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
1199         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
1200         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
1201         RTL_CONST_OR_PURE_CALL_P.
1202         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
1203         and const calls to be deleted.
1204
1205 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
1206
1207         PR target/35714
1208         * config/i386/mmx.md (mmx_subv2sf3): New expander.
1209         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
1210         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
1211         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1212         to handle nonimmediate operands.
1213         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
1214         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
1215         to handle nonimmediate operands.
1216         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
1217         (mmx_pmulhrwv4hi3): New expander.  Use
1218         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1219         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
1220         (sse2_umulv1siv1di3): New expander.  Use
1221         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1222         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
1223         (mmx_eq<mode>3): New expander.  Use
1224         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1225         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
1226         (mmx_uavgv8qi3): New expander.  Use
1227         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1228         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
1229         (mmx_uavgv4hi3): New expander.  Use
1230         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1231
1232         * config/i386/sse.md
1233         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
1234         to handle nonimmediate operands.
1235         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
1236         to handle nonimmediate operands.
1237         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
1238         to handle nonimmediate operands.
1239         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
1240         to handle nonimmediate operands.
1241         (sse2_unpckhpd_exp): New expander.  Use
1242         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1243         (sse2_unpcklpd_exp): New expander.  Use
1244         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1245         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
1246         to handle nonimmediate operands.
1247         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
1248         to handle nonimmediate operands.
1249         (*sse2_<plusminus_insn><mode>3): Rename from
1250         sse2_<plusminus_insn><mode>3 insn pattern.
1251         (sse2_<plusminus_insn><mode>3): New expander.  Use
1252         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1253         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
1254         (sse2_umulv2siv2di3): New expander.  Use
1255         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1256         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
1257         (sse4_1_mulv2siv2di3): New expander.  Use
1258         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1259         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
1260         (sse2_pmaddwd): New expander.  Use
1261         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1262         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
1263         (sse2_eq<mode>3): New expander.  Use
1264         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1265         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
1266         (sse4_1_eqv2di3): New expander.  Use
1267         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1268         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
1269         (sse2_uavgv16qi3): New expander.  Use
1270         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1271         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
1272         (sse2_uavgv16qi3): New expander.  Use
1273         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1274         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
1275         (sse2_uavgv8hi3): New expander.  Use
1276         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1277         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
1278         (ssse3_pmulhrswv8hi3): New expander.  Use
1279         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1280         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
1281         (ssse3_pmulhrswv4hi3): New expander.  Use
1282         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1283
1284         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
1285         (<sse>_vmmul<mode>3): Ditto.
1286         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
1287         (divv2df3): Ditto.
1288         (ssse3_pmaddubsw128): Use register_operand for operand 1.
1289         (ssse3_pmaddubsw): Ditto.
1290
1291         * config/i386/i386.c (struct_builtin_description)
1292         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
1293         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
1294         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
1295         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
1296         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
1297         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
1298         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
1299         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
1300         (ix86_fixup_binary_operands): Assert that src1
1301         and src2 must have the same mode when swapped.
1302         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
1303         and ix86_binary_operator_ok.  Do not force operands in registers
1304         when optimizing.
1305
1306 2008-05-07  Jan Hubicka  <jh@suse.cz>
1307
1308         * cgraph.c (dump_cgraph_node): Update.
1309         * cgraph.h (cgraph_local_info): Break out inline summary.
1310         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
1311         hook.
1312         * ipa-inline (inline_summary): New accestor function.
1313         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
1314         cgraph_decide_inlining, compute_inline_parameters): Update.
1315         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
1316
1317 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
1318
1319         Cleanup ColdFire scheduling support and add V4 pipeline model.
1320
1321         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
1322         (define_attr cpu): Add cfv4 value.
1323         (define_attr type, define_attr type1): Merge into a single 'type'
1324         attribute.  Update all uses.
1325         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
1326         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
1327         Update all uses.
1328         (define_attr opx_mem, define_attr opy_mem): Remove.
1329         (define_attr op_mem): Clean up, update comment.
1330         (define_attr size): Use specific values instead of general int.
1331         (define_attr guess, define_attr split): Remove.  Update all uses.
1332         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
1333         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
1334         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
1335         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
1336         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
1337         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
1338         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
1339         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
1340         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
1341         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
1342         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
1343         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
1344         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
1345         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
1346         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
1347         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
1348         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
1349         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
1350         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
1351         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
1352         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
1353         Update or set attributes.
1354         (stack_tie): New fake instruction.
1355
1356         * config/m68k/m68k.h (TUNE_CFV4): New macro.
1357         (m68k_sched_attr_size): Update declaration.
1358         (m68k_sched_attr_type2): Remove.
1359         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
1360         Declare new bypass predicates.
1361
1362         * config/m68k/m68k.c (m68k_sched_issue_rate,
1363         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
1364         implementations.
1365         (TARGET_SCHED_ISSUE_RATE,
1366         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
1367         (override_options): Handle scheduling for ColdFire V4 core.
1368         (m68k_expand_prologue): Emit stack_tie.
1369         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
1370         'OP_TYPE_FPN'.  Update all uses.
1371         (sched_guess_p): Remove.
1372         (sched_address_type): Handle symbolic addresses.
1373         (sched_get_operand): New static function.
1374         (sched_operand_type): Merge into sched_attr_op_type.
1375         (sched_attr_op_type): Handle FP registers, handle quick constants,
1376         update.
1377         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
1378         (m68k_sched_attr_size): Update.  Move logic to ...
1379         (sched_get_attr_size_int): New static function.
1380         (sched_get_opxy_mem_type): New static function.
1381         (m68k_sched_attr_op_mem): Update.
1382         (m68k_sched_attr_type2): Remove.
1383         (sched_cfv4_bypass_data): New static variable.
1384         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
1385         (m68k_sched_issue_rate): Implement scheduler hook.
1386         (struct _sched_ib: enabled_p): New field.
1387         (m68k_sched_variable_issue): Update.  Handle V4.
1388         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
1389         sched_dump_class_func_t, sched_dump_split_class,
1390         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
1391         sched_dump_dfa_class, m68k_sched_dump): Remove.
1392         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
1393         hook.
1394         (m68k_sched_init_global): Remove statisctics dumping, introduce
1395         sanity check that all instructions have pipeline reservations.  Handle
1396         ColdFire V4 core.
1397         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
1398         Handle ColdFire V4 core.
1399         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
1400         New static functions.
1401         (m68k_sched_address_bypass_p): New bypass predicate.
1402         (sched_get_indexed_address_scale): New static function.
1403         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
1404
1405         * cf.md: Update comments.
1406         (define_attr type2): Remove.  Use 'type' attribute instead.
1407         Update all uses.
1408         (cf_ib): Rename to cfv123_ib.  Update all uses.
1409         (cf_oep): Rename to cfv123_oep.  Update all uses.
1410         (cf_chr): Rename to cfv123_chr.  Update all uses.
1411         (cf_mem): Rename to cfv123_mem.  Update all uses.
1412         (cf_mac): Move to more appropriate place.
1413         (cfv123_guess): New automaton and cpu_unit.
1414         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
1415         Update uses of 'size' attribute.  Handle before reload scheduling.
1416         (cfv123_guess): New dummy reservation for unhandled instructions.
1417         (cfv4_*): Pipeline description of ColdFire V4 core.
1418         (ignore): New reservation to handle 'ignore' type.
1419
1420 2008-05-07  Ian Lance Taylor  <iant@google.com>
1421
1422         PR middle-end/36013
1423         * gimplify.c (find_single_pointer_decl_1): Don't look through
1424         indirections.
1425         (find_single_pointer_decl): Adjust comments.
1426
1427 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
1428
1429         PR middle-end/36137
1430         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
1431         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
1432
1433         PR middle-end/36106
1434         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
1435         integral type rather than floating point, then VIEW_CONVERT_EXPR
1436         to the floating point type.
1437
1438 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
1439
1440         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
1441         TFmode op0 to register.
1442
1443 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
1444
1445         * c-decl.c (grokdeclarator): Comment typo.
1446
1447 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
1448
1449         * tree-flow.h: Remove prototype for computed_goto_p.
1450         * tree-cfg.c (computed_goto_p): Make static.
1451
1452 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1453
1454         PR target/35657
1455         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
1456         (contains_aligned_value_p): This.  Handle _Decimal128.
1457         (ix86_function_arg_boundary): Only align _Decimal128 to its
1458         natural boundary and handle it properly.
1459
1460 2008-05-06  Martin Jambor  <mjambor@suse.cz>
1461
1462         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
1463         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
1464         (ipcp_method_set_orig_node): Removed.
1465         (ipcp_cval_get_cvalue_type): Removed.
1466         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
1467         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
1468         (ipcp_cval_set_cvalue_type): Removed.
1469         (ipcp_cval_get_cvalue): Removed.
1470         (ipcp_cval_set_cvalue): Removed.
1471         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
1472         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
1473         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
1474         (ipcp_cval_meet): Renamed to ipa_lattice_meet
1475         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
1476         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
1477         (ipcp_get_ith_lattice): Changed parameters.
1478         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
1479         (ipcp_lattice_from_jfunc): Changed parameters.
1480         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
1481         (ipcp_method_cval_print): Added temporary variable info.
1482         (ipcp_redirect): Removed already unused local variable caller.
1483         (ipcp_redirect): New temporary variable orig_callee_info
1484         (ipcp_redirect): Removed newly unused local variable callee.
1485         (ipcp_redirect): Removed (a bit confusing) local variable type.
1486         (ipcp_insert_stage): Added local variable info.
1487         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters 
1488         renamed too
1489         (ipcp_formal_create): Removed.
1490         (ipcp_method_cval_set): Removed.
1491         (ipcp_propagate_stage): Renamed lattice variables.
1492         (ipcp_method_cval_set_cvalue_type): Removed.
1493         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
1494         (ipcp_print_all_lattices): Changed printed strings to refer to 
1495         lattices rather than cvals.
1496         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
1497         (ipcp_propagate_const): Changed formal parameters.
1498         (build_const_val): Changed formal parameters.
1499         (ipcp_insert_stage): Removed useless variable cvalue
1500         (build_const_val): Changed formal parameters.
1501         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
1502         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
1503         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
1504         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
1505         (ipcp_print_func_profile_counts): Changed string from "method" to 
1506         "function"
1507         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
1508         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
1509         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
1510         (ipcp_structures_print): Renamed to ipcp_print_all_structures
1511         (ipcp_profile_print): Renamed to ipcp_print_profile_data
1512         (ipcp_lat_is_const): Changed parameters and made inline.
1513         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
1514         (ipcp_redirect): Renamed to ipcp_need_redirect_p
1515         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using 
1516         the predicate condition directly
1517         (ipcp_propagate_stage): Added local variable args. Removed local
1518         variable callee.  (Both are mere code simplifications.)
1519         (ipcp_method_dont_insert_const): Renamed to
1520         ipcp_node_not_modifiable_p.
1521         (ipcp_node_not_modifiable_p): Made inline.
1522         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
1523         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
1524         (ipcp_print_all_lattices): Removed variable cvalue
1525         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
1526         Updated comments.
1527
1528 2008-05-06  Olivier Hainque  <hainque@adacore.com>
1529
1530         * tree-sra.c (try_instantiate_multiple_fields): Early return
1531         if field has POINTER_TYPE.
1532
1533 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
1534
1535         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
1536         by using 'q' specifier for instruction.
1537         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
1538
1539 2008-05-06  Anatoly Sokolov <aesok@post.ru>
1540
1541         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
1542         Change mode of zero_extract from QImode to HImode.
1543         (sign bit tests peepholes): (Ditto.).
1544
1545 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
1546
1547         * config/i386/mmx.md: Remove double backslashes from asm templates.
1548         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
1549         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1550         to handle nonimmediate operands.
1551         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
1552         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1553         to handle nonimmediate operands.
1554         (*mmx_<code>v2sf3_finite): New insn pattern.
1555         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
1556         (mmx_<code>v2sf3): New expander.  Use
1557         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1558         (mmx_<plusminus_insn><mode>3): New expander.  Use
1559         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1560         (*mmx_<plusminus_insn><mode>3): New insn pattern.
1561         (mmx_add<mode>3): Removed.
1562         (mmx_ssadd<mode>3): Ditto.
1563         (mmx_usadd<mode>3): Ditto.
1564         (mmx_sub<mode>3): Ditto.
1565         (mmx_sssub<mode>3): Ditto.
1566         (mmx_ussub<mode>3): Ditto.
1567         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
1568         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
1569         to handle nonimmediate operands.
1570         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
1571         insn pattern.
1572         (mmx_smulv4hi3_highpart): New expander.  Use
1573         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1574         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
1575         insn pattern.
1576         (mmx_umulv4hi3_highpart): New expander.  Use
1577         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1578         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
1579         (mmx_<code>v4hi3): New expander.  Use
1580         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1581         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
1582         (mmx_<code>v8qi3): New expander.  Use
1583         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1584         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
1585         (mmx_<code><mode>3): New expander.  Use
1586         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1587
1588 2008-05-05  Jan Hubicka  <jh@suse.cz>
1589
1590         PR tree-optimization/36118
1591         * passes.c (pass_init_dump_file): Fix dump header.
1592
1593 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1594
1595         PR middle-end/36141
1596         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
1597         VCE for function decls.
1598
1599 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
1600
1601         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
1602
1603 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
1604
1605         * config/i386/i386.md (sat_plusminus): New.
1606         (plusminus_insn): Likewise.
1607         (plusminus_mnemonic): Likewise.
1608         (addsub): Removed.
1609         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
1610         (*<addsub><mode>3_cc_overflow): Renamed to ...
1611         (*<plusminus_insn><mode>3_cc_overflow): This.
1612         (*<addsub>si3_zext_cc_overflow): Renamed to ...
1613         (*<plusminus_insn>si3_zext_cc_overflow): This.
1614
1615         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
1616         (<plusminus_insn><mode>3): This.
1617         (*<addsub><mode>3): Renamed to ...
1618         (*<plusminus_insn><mode>3): This.
1619         (<sse>_vm<addsub><mode>3): Renamed to ...
1620         (<sse>_vm<plusminus_insn><mode>3): This.
1621         (sse3_h<addsub>v4sf3): Renamed to ...
1622         (sse3_h<plusminus_insn>v4sf3): This.
1623         (sse3_h<addsub>v2df3): Renamed to ...
1624         (sse3_h<plusminus_insn>v2df3): This.
1625         (<plusminus_insn><mode>3): New.
1626         (*<plusminus_insn><mode>3): Likewise.
1627         (sse2_<plusminus_insn><mode>3): Likewise.
1628         (add<mode>): Removed.
1629         (*add<mode>3): Likewise.
1630         (sse2_ssadd<mode>3): Likewise.
1631         (sse2_usadd<mode>3): Likewise.
1632         (sub<mode>3): Likewise.
1633         (*sub<mode>3): Likewise.
1634         (sse2_sssub<mode>3): Likewise.
1635         (sse2_ussub<mode>3): Likewise.
1636
1637 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
1638
1639         * gthr-single.h: Add in required interface elements as per gthr.h.
1640         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
1641         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
1642         Generalize UNUSED macro. 
1643         (__gthread_once): Add.
1644         (__gthread_key_create): Add.
1645         (__gthread_key_delete): Add.
1646         (__gthread_getspecific): Add.
1647         (__gthread_setspecific): Add.
1648         
1649 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
1650
1651         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
1652         the same size types for the indirect reference on the rhs, then
1653         create a VCE.
1654
1655 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
1656
1657         * config/i386/i386.md
1658         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
1659         one insn template instead of template series.
1660         (*xordi_1_rex64): Ditto.
1661         (*xordi_2_rex64): Ditto.
1662
1663 2008-05-05  Ira Rosen  <irar@il.ibm.com>
1664
1665         PR tree-optimization/36119
1666         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
1667         in case of SLP.
1668
1669 2008-06-04  Jan Hubicka  <jh@suse.cz>
1670
1671         tree-optimization/36100
1672         * tree-pass.h (pass_O0_always_inline): Declare.
1673         * ipa-inline.c (inline_transform): Remove dead code.
1674         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
1675         pass_O0_always_inline): New.
1676         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
1677
1678 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
1679
1680         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
1681         mnemonic in this_param move for TARGET_64BIT.
1682
1683 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
1684
1685         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
1686         (*strmovsi_rex_1): Ditto.
1687         (*strsetsi_1): Ditto.
1688         (*strsetsi_rex_1): Ditto.
1689
1690         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
1691         adddicc expanders using SWI mode iterator.
1692
1693 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1694
1695         PR target/36121
1696         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
1697         argument handling.
1698
1699 2008-05-04  David S. Miller  <davem@davemloft.net>
1700
1701         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
1702         (sparc*-*-linux*): Use linux.h in tm_file.
1703         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
1704         compiler defaulting to 32-bit.
1705         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
1706         no longer needed.
1707         * config/sparc/linux.h: Remove definitions now obtained
1708         properly from linux.h
1709         * config/sparc/linux64.h: Likewise.
1710         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
1711         don't want this setting for 32-bit builds in a biarch compiler.
1712         * doc/install.texi: Add sparc-linux to list of targets
1713         supporting --enable-targets=all.
1714
1715 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
1716
1717         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
1718
1719 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
1720
1721         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
1722         after V4SI_FTYPE_V8HI.
1723         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
1724         case V4SI_FTYPE_V2DF.
1725
1726 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
1727
1728         * doc/invoke.texi (max-flow-memory-locations): Removed.
1729         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
1730         
1731 2008-05-03  Richard Guenther  <rguenther@suse.de>
1732
1733         PR middle-end/34973
1734         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
1735
1736 2008-05-02  David S. Miller  <davem@davemloft.net>
1737
1738         * config.gcc (need_64bit_hwint): Document libcpp dependency.
1739
1740 2008-05-02  Simon Baldwin <simonb@google.com>
1741
1742         PR bootstrap/36108
1743         * c-common.h (warn_array_subscript_range): Removed.
1744         * c-common.c (warn_array_subscript_range): Ditto.
1745         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
1746         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
1747
1748 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
1749
1750         * config/i386/i386.c (ix86_special_builtin_type): New.
1751         (bdesc_special_args): Likewise.
1752         (ix86_expand_special_args_builtin): Likewise.
1753         (ix86_init_mmx_sse_builtins): Updated.
1754         (ix86_expand_builtin): Updated.
1755         (ix86_expand_store_builtin): Removed.
1756         (ix86_expand_unop_builtin): Likewise.
1757
1758         * config/i386/mm3dnow.h (__v2sf): Moved to ...
1759         * config/i386/mmintrin.h (__v2sf): Here.
1760
1761         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
1762         const __v2sf.
1763         (_mm_loadl_pi): Likewise.
1764         (_mm_storeh_pi): Replace __v2si with __v2sf.
1765         (_mm_storel_pi): Likewise.
1766
1767         * doc/extend.texi: Correct __builtin_ia32_loadhps,
1768         __builtin_ia32_loadlps, __builtin_ia32_storehps,
1769         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
1770         __builtin_ia32_loadlpd.
1771
1772 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
1773
1774         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
1775         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
1776         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
1777         (ix86_init_mmx_sse_builtins): Updated.
1778         (ix86_expand_args_builtin): Likewise.
1779         (ix86_expand_builtin): Likewise.
1780         (ix86_expand_unop1_builtin): Renamed to ...
1781         (ix86_expand_unop_vec_merge_builtin): This.
1782
1783 2008-05-01  Jan Hubicka  <jh@suse.cz>
1784
1785         PR bootstrap/36100
1786         * ipa-inline.c (inline_generate_summary): Make static.
1787         (inline_transform): Do not call inlining at -O0; make static.
1788         * passes.c (execute_todo): Add sanity check.
1789         (execute_one_ipa_transform_pass): Execute proper flags.
1790
1791 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
1792
1793         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
1794         (DECL_NONADDRESSABLE_P): Likewise.
1795         * alias.c (record_component_aliases): Fix comment.
1796
1797 2008-05-01  Simon Baldwin <simonb@google.com>
1798
1799         * c-common.h (warn_array_subscript_range): New function.
1800         * c-common.c (warn_array_subscript_range): Ditto.
1801         * tree-vrp.c (check_array_ref): Corrected code to agree with
1802         comment, ignoring only arrays of size 0 or size 1.
1803         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
1804
1805 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1806
1807         * config/i386/i386.c (ix86_builtin_type): Replace
1808         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
1809         (bdesc_args): Updated.
1810         (ix86_init_mmx_sse_builtins): Likewise.
1811         (ix86_expand_args_builtin): Likewise.
1812
1813         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
1814         with __v1di.
1815
1816         * doc/extend.texi: Correct __builtin_ia32_palignr.
1817
1818 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1819
1820         PR target/36095
1821         * config/i386/i386.c (bdesc_crc32): Removed.
1822         (ix86_expand_crc32): Likewise.
1823         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
1824         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
1825         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
1826         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
1827         UINT_FTYPE_UINT_UCHAR.
1828         (bdesc_args): Updated. Add crc32 builtins.
1829         (ix86_init_mmx_sse_builtins): Updated.
1830         (ix86_expand_args_builtin): Updated to support subreg.
1831
1832         * doc/extend.texi: Correct __builtin_ia32_crc32di.
1833
1834 2008-05-01  Jan Hubicka  <jh@suse.cz>
1835
1836         * tree-pass.h (opt_pass): Add IPA_PASS.
1837         (varpool_node, cgraph_node): Forward declare.
1838         (ipa_opt_pass): Define.
1839         (pass_ipa_inline): Turn into ipa_opt_pass.
1840         (pass_apply_inline): Remove.
1841         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
1842         (apply_inline): Turn into ....
1843         (inline_transform): ... this one.
1844         (inline_generate_summary): New function.
1845         (pass_apply_inline): Remove.
1846         * function.h (ipa_opt_pass): Forward declare structure; typedef;
1847         vector.
1848         (struct function): Add ipa_transforms_to_apply.
1849         * passes.c (register_one_dump_file): Work on IPA_PASS.
1850         (init_optimization_passes): Remove pass_inline_parameters and
1851         pass_apply_inline.
1852         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
1853         (execute_one_pass) ... here; apply transforms when possible.
1854         (add_ipa_transform_pass, execute_ipa_summary_asses,
1855         execute_one_ipa_transform_pass): New.
1856         (execute_ipa_pass_list): Update for IPA_PASS type.
1857
1858 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1859
1860         * config/i386/i386.c (ix86_builtin_type): Add
1861         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
1862         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
1863         (bdesc_args): Add SSE4a builtins.
1864         (ix86_init_mmx_sse_builtins): Updated.
1865         (ix86_expand_args_builtin): Likewise.
1866         (ix86_expand_builtin): Likewise.
1867
1868 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1869
1870         * config/i386/i386.c (ix86_builtin_type): Add
1871         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
1872         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
1873         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
1874         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
1875         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
1876         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
1877         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
1878         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
1879         and DI_FTYPE_DI_DI_INT.
1880         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
1881         (ix86_init_mmx_sse_builtins): Updated.
1882         (ix86_expand_args_builtin): Likewise.
1883         (ix86_expand_builtin): Likewise.
1884         (ix86_expand_binop_imm_builtin): Removed.
1885
1886         * doc/extend.texi: Correct __builtin_ia32_palignr128.
1887
1888 2008-04-30  Richard Guenther  <rguenther@suse.de>
1889
1890         PR tree-optimization/32921
1891         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
1892
1893 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
1894
1895         * config/arm/arm.c (arm_unwind_emit): Use
1896         crtl->all_throwers_are_sibcalls instead of
1897         cfun->all_throwers_are_sibcalls.
1898         (arm_output_fn_unwind): Likewise.
1899         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
1900         instead of cfun->uses_pic_offset_table.
1901         (frv_expand_prologue): Likewise.
1902         (frv_frame_pointer_required): Likewise.
1903         (frv_expand_fdpic_call): Likewise.
1904         (frv_emit_movsi): Likewise.
1905         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
1906         cfun->returns_pcc_struct instead of
1907         current_function_returns_pcc_struct.
1908         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
1909         instead of cfun->calls_eh_return.
1910         (m32c_pushm_popm): Likewise.
1911         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
1912         "extern" declaration.
1913
1914 2008-04-30  Richard Guenther  <rguenther@suse.de>
1915
1916         PR tree-optimization/21636
1917         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
1918         constant address.
1919         (evaluate_stmt): Print the likely value.
1920         (ccp_visit_stmt): Avoid excessive vertical spacing.
1921
1922 2008-04-30  Rafael Espindola  <espindola@google.com>
1923
1924         * builtins.c (fold_call_expr): Return realret.
1925         * tree-ssa-threadedge.c
1926         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1927         __builtin_object_size.
1928
1929 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
1930
1931         * gcc.c (wrapper_string): New variable.
1932         (insert_wrapper): New function.
1933         (execute): New option -wrapper.
1934         * doc/invoke.texi (Overall Options): New driver option -wrapper.
1935
1936 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
1937
1938         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
1939         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
1940         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
1941         from...
1942         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
1943         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
1944         config/rs6000/e500crtres64gprctr.asm,
1945         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
1946         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
1947         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
1948         config/rs6000/e500crtsav64gprctr.asm,
1949         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
1950         config/rs6000/e500crtsavg64gprctr.asm: New files.
1951         * config/rs6000/t-ppccomm: Add build rules for new files.
1952         (LIB2FUNCS_STATIC_EXTRA): Add new files.
1953         * config/rs6000/t-netbsd: Add build rules for new files.
1954         (LIB2FUNCS_STATIC_EXTRA): New variable.
1955         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
1956         (CRTSAVRES_DEFAULT_SPEC): Likewise.
1957         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
1958
1959 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
1960
1961         * config/i386/i386.c (ix86_builtin_type): Add
1962         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
1963         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
1964         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
1965         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
1966         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
1967         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
1968         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
1969         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
1970         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
1971         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
1972         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
1973         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
1974         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
1975         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
1976         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
1977         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
1978         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
1979         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
1980         V1DI_FTYPE_V2SI_V2SI.
1981         (bdesc_2arg): Moved to ...
1982         (bdesc_args): Here.
1983         (ix86_init_mmx_sse_builtins): Updated.
1984         (ix86_expand_args_builtin): Updated.  Take a pointer
1985         to const struct builtin_description.  Handle comparison
1986         builtin functions.
1987         (ix86_expand_sse_compare): Take a new argument for swapping operands.
1988         (ix86_expand_builtin): Updated.
1989
1990         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
1991         (ssse3_pmaddubsw128): This.
1992         (ssse3_pmaddubswv4hi3): Renamed to ...
1993         (ssse3_pmaddubsw): This.
1994
1995         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
1996         (__builtin_ia32_packssdw128): Likewise.
1997         (__builtin_ia32_packuswb128): Likewise.
1998         (__builtin_ia32_pmaddubsw): Likewise.
1999         (__builtin_ia32_pmaddubsw128): Likewise.
2000
2001 2008-04-30  Richard Guenther  <rguenther@suse.de>
2002
2003         PR tree-optimization/14847
2004         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
2005         (recognize_bits_test): Use it.
2006         (recognize_single_bit_test): Likewise.
2007
2008 2008-04-30  Martin Jambor  <mjambor@suse.cz>
2009
2010         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
2011         instead of setting number of formal parameters to zero.
2012         (ipcp_init_stage): Do not set the number of actual parameters to zero 
2013         either.
2014         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
2015         which are called with variable number of arguments.
2016         (ipcp_insert_stage): Explicitely skipping all nodes which are
2017         called with variable number of arguments.
2018         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
2019         number of parameters.
2020
2021         * ipa-prop.h (struct ipa_node_params): Added flag
2022         called_with_var_arguments
2023         (ipa_set_param_count): Added.  Changed sole setter to use it.
2024         (ipa_get_param_count): Added.  All readers of param_count
2025         converted to use it instead.
2026         (ipa_set_called_with_variable_arg): Added.
2027         (ipa_is_called_with_var_arguments): Added.
2028         (ipa_get_ith_param): Added.  All readers of param_decls converted
2029         to use it instead.
2030         (ipa_set_cs_argument_count): Added, sole writer to argument_count 
2031         changed to use it. 
2032         (ipa_get_cs_argument_count): Added, all readers of argument_count
2033         changed to cal it.
2034         (ipa_get_ith_jump_func): Added. Accessors of jump values changed 
2035         to use it.
2036         
2037         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
2038         (struct ipcp_lattice): Renamed cval_type to type
2039         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
2040
2041         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
2042         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
2043         (ipcp_insert_stage): Changed the type of variable cvalue to tree
2044         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
2045         (build_const_val): Changed the type of parameter cvalue to tree
2046         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
2047         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
2048         
2049         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
2050         constant 
2051
2052         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
2053         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
2054         (ipa_add_method): Renamed to ipa_push_func_to_list
2055         (ipa_remove_method): Renamed to ipa_pop_func_from_list
2056         (ipa_callsite_param_count): Removed.
2057         (ipa_callsite_param_count_set): Removed.
2058         (ipa_callsite_param): Removed.
2059         (ipa_callsite_callee): Removed.
2060         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
2061         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
2062         (ipa_method_formal_count): Removed.
2063         (ipa_method_formal_count_set): Removed.
2064         (ipa_method_get_tree): Removed.
2065         (ipa_method_tree_map_create): Removed.
2066         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
2067         (ipa_create_param_decls_array): Creates the array itself
2068         (ipa_create_param_decls_array): Temporary variable info instead of 
2069         a few dereferences.
2070         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
2071         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
2072         (get_type): Removed.
2073         (ipa_jf_get_info_type): Removed.
2074         (ipa_node_create): Renamed to ipa_create_node_params
2075         (ipa_free): Renamed to ipa_free_all_node_params
2076         (ipa_nodes_create): Renamed to ipa_create_all_node_params
2077         (ipa_edges_create): Renamed to ipa_create_all_edge_args
2078         (ipa_edges_free): Renamed to ipa_free_all_edge_args
2079         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
2080         (ipa_free_all_node_params): Deallocation to jump_functions moved to 
2081         ipa_free_all_edge_args
2082         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
2083         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
2084         (ipa_create_methodlist_node): Removed.
2085         (ipa_methodlist_method): Removed.
2086         (ipa_methodlist_method_set): Removed.
2087         (ipa_methodlist_next_method): Removed.
2088         (ipa_methodlist_next_method_set): Removed.
2089         (ipa_method_is_modified): Removed.
2090         (ipa_method_modify_create): Removed.
2091         (ipa_method_modify_init): Temporary variable info instead of a few 
2092         dereferences.
2093         (ipa_detect_param_modifications): Temporary variable info instead of 
2094         a few dereferences.
2095         (ipa_compute_jump_functions): Temporary variable info instead of 
2096         a few dereferences.
2097         (ipa_method_modify_set): Removed.
2098         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
2099         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
2100         than craph_node as the first parameter.
2101         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
2102         (ipa_method_modify_init): Removed.
2103         (ipa_compute_jump_functions): Added a temp variable instead of 
2104         repeatadly dereferencing the cgraph_edge.aux pointer
2105         (ipa_callsite_param_set_type): Removed.
2106         (ipa_compute_jump_functions): i renamed to index and moved to 
2107         an inner block
2108         (ipa_callsite_param_set_info_type_formal): Removed.
2109         (ipa_callsite_param_set_info_type): Removed.
2110         (ipa_callsite_param_map_create): Removed.
2111         (ipa_callsite_tree): Removed.
2112         (ipa_callsite_caller): Removed.
2113         (ipa_pop_func_from_list): return_method removed to return_func
2114
2115         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
2116         prefixed all values with IPA_. Changed all users.
2117         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
2118         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
2119         and FORMAL_IPATYPE IPA_PASS_THROUGH. 
2120         (union parameter_info): Renamed to jump_func_value.
2121         (union jump_func_value): Renamed value to constant
2122         (struct ipa_jump_func): Renamed info_type to value
2123         (struct ipa_node): Renamed to ipa_node_params
2124         (struct ipa_node_params): Renamed ipa_arg_num to param_count
2125         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
2126         (struct ipa_node_params): Renamed ipa_mod to modified_flags
2127         (struct ipa_edge): Renamed to ipa_edge_args
2128         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
2129         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
2130         (struct ipa_methodlist): Renamed to ipa_func_list
2131         (struct ipa_func_list): method_p renamed to node, next_method
2132         renamed to next
2133         (ipa_methodlist_p): Removed, switched all users to struct pointer
2134         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
2135
2136 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
2137
2138         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
2139         (rs6000_emit_epilogue): Use backchain to restore only when we
2140         have a large frame.  Make use of frame pointer to restore if we
2141         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
2142
2143 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
2144
2145         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
2146         Add mode to zero_extract.
2147         (sign bit tests peepholes): (Ditto.).
2148
2149 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2150
2151         * config/i386/i386.c (ix86_builtins): Replace Prescott New
2152         Instructions in comments with SSE3.
2153         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
2154         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
2155         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
2156         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
2157         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
2158         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
2159         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
2160         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
2161         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
2162         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
2163         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
2164         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
2165         (bdesc_sse_args): Renamed to ...
2166         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
2167         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
2168         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
2169         IX86_BUILTIN_FABSQ.
2170         (bdesc_1arg): Moved to ...
2171         (bdesc_args): Here.
2172         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
2173         Instructions in comments with SSE3.
2174         (ix86_expand_sse_operands_builtin): Renamed to ...
2175         (ix86_expand_args_builtin): This.  Updated.
2176         (ix86_expand_unop1_builtin): Update comments.
2177         (ix86_expand_builtin): Updated.
2178
2179 2008-04-29  Richard Guenther  <rguenther@suse.de>
2180
2181         PR tree-optimization/36078
2182         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
2183         Update virtual SSA form after cleaning up the CFG.
2184
2185 2008-04-29  Richard Guenther  <rguenther@suse.de>
2186
2187         PR middle-end/15255
2188         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
2189
2190 2008-04-29  Richard Guenther  <rguenther@suse.de>
2191
2192         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
2193         (compute_may_aliases): Do not call finalize_ref_all_pointers.
2194         (compute_flow_insensitive_aliasing): Do not treat
2195         PTR_IS_REF_ALL pointers special.
2196         (get_smt_for): Likewise.
2197         (may_alias_p): Re-structure.
2198         (is_escape_site): A ref-all pointer conversion is not an escape site.
2199         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
2200         PTR_IS_REF_ALL pointers special.
2201         * tree-ssa-structalias.h (struct alias_info): Remove
2202         ref_all_symbol_mem_tag field.
2203         (PTR_IS_REF_ALL): Remove.
2204
2205 2008-04-29  Richard Guenther  <rguenther@suse.de>
2206
2207         PR middle-end/36077
2208         * fold-const.c (extract_muldiv_1): In combining division constants
2209         make sure to never overflow.
2210
2211 2008-04-29  Nick Clifton  <nickc@redhat.com>
2212
2213         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
2214
2215 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2216
2217         PR bootstrap/35169
2218         * optc-gen.awk: Work around HP-UX/IA awk bug.
2219
2220 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
2221
2222         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
2223         2008-04-25 commit.
2224
2225 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
2226
2227         PR target/36073
2228         * config/i386/i386.md
2229         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
2230         Change operand 1 predicate to nonimmediate_operand.
2231
2232 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
2233
2234         PR debug/36060
2235         * dwarf2out.c (struct die_struct): Mark as chain_circular through
2236         die_sub field.
2237         * gengtype.c (walk_type, write_func_for_structure): Handle
2238         chain_circular.
2239         * doc/gty.texi: Document chain_circular.
2240
2241 2008-04-28  Richard Guenther  <rguenther@suse.de>
2242
2243         PR tree-optimization/36066
2244         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
2245         SCEV and loop.
2246
2247 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
2248
2249         PR target/36064
2250         * config/i386/i386.md
2251         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
2252         Use match_scratch instead of match_operand for operands 3 and 4.
2253
2254 2008-04-27  Richard Guenther  <rguenther@suse.de>
2255
2256         PR tree-optimization/18754
2257         PR tree-optimization/34223
2258         * tree-pass.h (pass_complete_unrolli): Declare.
2259         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
2260         loop size before and after unconditionally of UL_NO_GROWTH in effect.
2261         Rewrite loop into loop closed SSA form if it is not already.
2262         (tree_unroll_loops_completely): Re-structure to iterate over
2263         innermost loops with intermediate CFG cleanups.
2264         Unroll outermost loops only if requested or the code does not grow
2265         doing so.
2266         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
2267         loops are available.
2268         (tree_vectorize): Instead do so here.
2269         (tree_complete_unroll): Also unroll outermost loops.
2270         (tree_complete_unroll_inner): New function.
2271         (gate_tree_complete_unroll_inner): Likewise.
2272         (pass_complete_unrolli): New pass.
2273         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
2274         uses outside of the loop.
2275         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
2276         form if it is available.  
2277         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
2278         * passes.c (init_optimization_passes): Schedule complete inner
2279         loop unrolling pass before the first CCP pass after final inlining.
2280
2281 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2282
2283         * targhooks.h (default_emutls_var_fields,
2284         default_emutls_var_init): Declare.
2285         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
2286         * target.h (struct gcc_target): Add struct emutls member.
2287         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
2288         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
2289         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
2290         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
2291         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
2292         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
2293         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
2294         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
2295         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
2296         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
2297         emit debug information.
2298         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
2299         * varasm.c: Include targhooks.h.
2300         (emutls_object_section, emutls_tmpl_section): New.
2301         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
2302         (EMUTLS_SEPARATOR): New.
2303         (prefix_name): New.
2304         (get_emutls_object_name): New.
2305         (default_emutls_var_fields): New, broken out of ...
2306         (get_emutls_object_type): ... here.  Adjust to use target hooks.
2307         (get_emutls_init_templ_addr): Adjust to use target hooks.
2308         (emutls_decl): Adjust to use target hooks.
2309         (emutls_finish): Likewise.
2310         (default_emutls_var_init): New, broken out of ...
2311         (assemble_variable): ... here.  Adjust to use target hooks.
2312         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
2313         SECCAT_EMUTLS_TMPL.
2314         * c-common.c (handle_section_attribute): Prevent overriding
2315         sections for emulated tls with special sections.
2316         * config/i386/i386.c (x86_64_elf_select_section): Add
2317         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
2318         (x86_64_elf_unique_section): Likewise.
2319         * config/vxworks.c: Include tree.h.
2320         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
2321         (vxworks_override_options): Set TLS scheme.
2322         * doc/tm.texi (Emulated TLS): New node.
2323
2324 2008-04-26  Simon Baldwin <simonb@google.com>
2325
2326         PR c/35652
2327         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
2328         with propagated string constants.
2329
2330 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
2331
2332         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
2333         constraint for operand 2 when operand 0 is memory operand.
2334         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
2335         operand 0 is memory operand.
2336         (fix_trunc<mode>_i387_with_temp): Ditto.
2337         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
2338         operand 2 when operand 1 is memory operand.
2339         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
2340         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
2341         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
2342         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
2343         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
2344         operands 2,3 and 4 when operand 1 is memory operand.
2345         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
2346         is memory operand.
2347         (fistdi2_floor_with_temp): Ditto.
2348         (fist<mode>2_floor_with_temp): Ditto.
2349         (fistdi2_ceil_with_temp): Ditto.
2350         (fist<mode>2_ceil_with_temp): Ditto.
2351         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
2352
2353 2008-04-26  David Daney  <ddaney@avtrex.com>
2354
2355         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
2356         unspec_volitile.
2357         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
2358         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
2359         UNSPEC_UPDATE_GOT_VERSION): Renumber.
2360         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
2361         (compare_and_swap_12): New insn.
2362         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
2363         * config/mips/mips.c (mips_force_binary): New function.
2364         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
2365         (mips_expand_compare_and_swap_12): New function.
2366         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
2367
2368 2008-04-25  Jan Hubicka  <jh@suse.cz>
2369
2370         PR testsuite/35843
2371         * cfgexpand.c (pass_expand): Turn into RTL pass.
2372         * passes.c (execute_one_pass): Do pass typechecking after execution.
2373         * tree-pass.h (pass_expand): Turn into RTL pass.
2374
2375         * function.h (struct rtl_data): Move here fields
2376         accesses_prior_frames, calls_eh_return, saves_all_registers,
2377         has_nonlocal_goto, has_asm_statement, is_thunk,
2378         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
2379         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
2380         arg_pointer_save_area_init from struct function; turn into bool.
2381         (struct function): Move
2382         calls_eh_return, saves_all_registers, has_nonlocal_goto,
2383         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
2384         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
2385         tail_call_emit, arg_pointer_save_area_init
2386         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
2387         (current_function_returns_struct, current_function_returns_pcc_struct,
2388         current_function_calls_setjmp, current_function_calls_alloca,
2389         current_function_accesses_prior_frames,
2390         current_function_calls_eh_return, current_function_is_thunk,
2391         current_function_stdarg, current_function_profile,
2392         current_function_limit_stack, current_function_uses_pic_offset_table,
2393         current_function_uses_const_pool, current_function_has_nonlocal_label,
2394         current_function_saves_all_registers,
2395         current_function_has_nonlocal_goto,
2396         current_function_has_asm_statement): Remove accesor macros.
2397         * ra-conflict.c (global_conflicts): Update.
2398         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
2399         (suitable_for_tail_call_opt_p): Update.
2400         * builtins.c (expand_builtin_return_addr): Update.
2401         (expand_builtin_setjmp_setup): Update.
2402         (expand_builtin_nonlocal_goto): Update.
2403         * final.c (final_start_function): Update.
2404         (profile_function): Update.
2405         (leaf_function_p): Update.
2406         (only_leaf_regs_used): Update.
2407         * df-scan.c (df_get_exit_block_use_set): Update.
2408         * dojump.c (clear_pending_stack_adjust): Update.
2409         * tree-stdarg.c (gate_optimize_stdarg): Update.
2410         * gimple-low.c (lower_function_body): Update.
2411         * global.c (compute_regsets): Update.
2412         (global_alloc): Update.
2413         * dwarf2out.c (dwarf2out_begin_prologue): Update.
2414         * expr.c (expand_assignment): Update.
2415         * dse.c (dse_step0): Update.
2416         (dse_step1): Update.
2417         * c-decl.c (store_parm_decls): Update.
2418         * local-alloc.c (combine_regs): Update.
2419         (find_free_reg): Update.
2420         * function.c (assign_parms_augmented_arg_list): Update.
2421         (assign_parm_find_data_types): Update.
2422         (assign_parms): Update.
2423         (allocate_struct_function): Update.
2424         (expand_function_start): Update.
2425         (expand_function_end): Update.
2426         (get_arg_pointer_save_area): Update.
2427         (thread_prologue_and_epilogue_insns): Update.
2428         (rest_of_match_asm_constraints): Update.
2429         * stor-layout.c (variable_size): Update.
2430         * gcse.c (gcse_main): Update.
2431         (bypass_jumps): Update.
2432         * gimplify.c (gimplify_function_tree): Update.
2433         * calls.c (emit_call_1): Update.
2434         (expand_call): Update.
2435         * bt-load.c (compute_defs_uses_and_gen): Update.
2436         * except.c (sjlj_assign_call_site_values): Update.
2437         (sjlj_emit_function_enter): Update.
2438         (can_throw_external): Update.
2439         (set_nothrow_function_flags): Update.
2440         (expand_builtin_unwind_init): Update.
2441         (expand_eh_return): Update.
2442         (convert_to_eh_region_ranges): Update.
2443         (output_function_exception_table): Update.
2444         * emit-rtl.c (gen_tmp_stack_mem): Update.
2445         * cfgexpand.c (expand_used_vars): Update.
2446         (tree_expand_cfg): Update.
2447         * cfgcleanup.c (rest_of_handle_jump): Update.
2448         * explow.c (allocate_dynamic_stack_space): Update.
2449         * varasm.c (assemble_start_function): Update.
2450         (force_const_mem): Update.
2451         (mark_constant_pool): Update.
2452         * tree-optimize.c (tree_rest_of_compilation): Update.
2453         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
2454         * tree-cfg.c (notice_special_calls): Update.
2455         (is_ctrl_altering_stmt): Update.
2456         (tree_can_make_abnormal_goto): Update.
2457         (tree_purge_dead_abnormal_call_edges): Update.
2458         * config/alpha/predicates.md: Update.
2459         * config/alpha/alpha.c (alpha_sa_mask): Update.
2460         (alpha_sa_size): Update.
2461         (alpha_does_function_need_gp): Update.
2462         (alpha_expand_prologue): Update.
2463         (alpha_start_function): Update.
2464         (alpha_output_function_end_prologue): Update.
2465         (alpha_expand_epilogue): Update.
2466         * config/frv/frv.c (frv_stack_info): Update.
2467         (frv_expand_epilogue): Update.
2468         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
2469         (s390_register_info): Update.
2470         (s390_frame_info): Update.
2471         (s390_init_frame_layout): Update.
2472         (s390_can_eliminate): Update.
2473         (save_gprs): Update.
2474         * config/spu/spu.c (spu_split_immediate): Update.
2475         (need_to_save_reg): Update.
2476         (spu_expand_prologue): Update.
2477         (spu_expand_epilogue): Update.
2478         * config/sparc/sparc.md: Update.
2479         * config/sparc/sparc.c (eligible_for_return_delay): Update.
2480         (sparc_tls_got): Update.
2481         (legitimize_pic_address): Update.
2482         (sparc_emit_call_insn): Update.
2483         (sparc_expand_prologue): Update.
2484         (output_return): Update.
2485         (print_operand): Update.
2486         (sparc_function_ok_for_sibcall): Update.
2487         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
2488         * config/m32r/m32r.md: Update.
2489         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
2490         (m32r_compute_frame_size): Update.
2491         (m32r_expand_prologue): Update.
2492         (m32r_expand_epilogue): Update.
2493         (m32r_legitimize_pic_address): Update.
2494         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
2495         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
2496         * config/i386/i386.c (ix86_frame_pointer_required): Update.
2497         (gen_push): Update.
2498         (ix86_save_reg): Update.
2499         (ix86_compute_frame_layout): Update.
2500         (ix86_expand_prologue): Update.
2501         (ix86_expand_epilogue): Update.
2502         * config/sh/sh.c (output_stack_adjust): Update.
2503         (calc_live_regs): Update.
2504         (sh5_schedule_saves): Update.
2505         (sh_expand_prologue): Update.
2506         (sh_expand_epilogue): Update.
2507         (sh_setup_incoming_varargs): Update.
2508         (sh_allocate_initial_value): Update.
2509         (sh_get_pr_initial_val): Update.
2510         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
2511         * config/sh/sh.md (label:): Update.
2512         * config/avr/avr.c (out_movhi_mr_r): Update.
2513         * config/crx/crx.h (enum): Update.
2514         * config/xtensa/xtensa.h (along): Update.
2515         * config/stormy16/stormy16.c Update.
2516         (xstormy16_compute_stack_layout): Update.
2517         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
2518         (fr30_expand_prologue): Update.
2519         * config/cris/cris.c (cris_conditional_register_usage): Update.
2520         (cris_reg_saved_in_regsave_area): Update.
2521         (cris_initial_frame_pointer_offset): Update.
2522         (cris_simple_epilogue): Update.
2523         (cris_expand_prologue): Update.
2524         (cris_expand_epilogue): Update.
2525         (cris_expand_pic_call_address): Update.
2526         (cris_asm_output_symbol_ref): Update.
2527         (cris_asm_output_label_ref): Update.
2528         * config/cris/cris.md Update.
2529         * config/iq2000/iq2000.c (compute_frame_size): Update.
2530         (iq2000_expand_epilogue): Update.
2531         * config/mt/mt.h (save_direction): Update.
2532         * config/mn10300/mn10300.c (mn10300_function_value): Update.
2533         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
2534         (ia64_secondary_reload_class): Update.
2535         * config/m68k/m68k.c (m68k_save_reg): Update.
2536         (m68k_expand_prologue): Update.
2537         (m68k_expand_epilogue): Update.
2538         (legitimize_pic_address): Update.
2539         * config/rs6000/rs6000.c (rs6000_got_register): Update.
2540         (first_reg_to_save): Update.
2541         (first_altivec_reg_to_save): Update.
2542         (compute_vrsave_mask): Update.
2543         (compute_save_world_info): Update.
2544         (rs6000_stack_info): Update.
2545         (spe_func_has_64bit_regs_p): Update.
2546         (rs6000_ra_ever_killed): Update.
2547         (rs6000_emit_eh_reg_restore): Update.
2548         (rs6000_emit_allocate_stack): Update.
2549         (rs6000_emit_prologue): Update.
2550         (rs6000_emit_epilogue): Update.
2551         (rs6000_output_function_epilogue): Update.
2552         (output_profile_hook): Update.
2553         (rs6000_elf_declare_function_name): Update.
2554         * config/rs6000/rs6000.h (rs6000_args): Update.
2555         * config/rs6000/rs6000.md: Update.
2556         * config/mcore/mcore.c (mcore_expand_prolog): Update.
2557         * config/arc/arc.c (arc_output_function_epilogue): Update.
2558         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
2559         * config/darwin.c (machopic_function_base_name): Update.
2560         * config/score/score3.c (score3_compute_frame_size): Update.
2561         (rpush): Update.
2562         (rpop): Update.
2563         (score3_epilogue): Update.
2564         * config/score/score7.c (score7_compute_frame_size): Update.
2565         (score7_prologue): Update.
2566         (score7_epilogue): Update.
2567         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
2568         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
2569         * config/arm/arm.c (use_return_insn): Update.
2570         (require_pic_register): Update.
2571         (arm_load_pic_register): Update.
2572         (arm_compute_save_reg0_reg12_mask): Update.
2573         (arm_compute_save_reg_mask): Update.
2574         (thumb1_compute_save_reg_mask): Update.
2575         (output_return_instruction): Update.
2576         (arm_output_function_prologue): Update.
2577         (arm_output_epilogue): Update.
2578         (arm_get_frame_offsets): Update.
2579         (arm_expand_prologue): Update.
2580         (thumb_pushpop): Update.
2581         (thumb_exit): Update.
2582         (thumb1_expand_prologue): Update.
2583         (thumb1_expand_epilogue): Update.
2584         (arm_unwind_emit): Update.
2585         (arm_output_fn_unwind): Update.
2586         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
2587         * config/arm/arm.md: Update.
2588         * config/pa/pa.md: Update.
2589         * config/pa/pa.c (legitimize_pic_address): Update.
2590         (compute_frame_size): Update.
2591         (hppa_expand_prologue): Update.
2592         (hppa_expand_epilogue): Update.
2593         (borx_reg_operand): Update.
2594         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
2595         (HARD_REGNO_RENAME_OK): Update.
2596         * config/mips/mips.c (mips_global_pointer): Update.
2597         (mips_save_reg_p): Update.
2598         (mips_compute_frame_info): Update.
2599         (mips_frame_pointer_required): Update.
2600         (mips_expand_prologue): Update.
2601         (mips_expand_epilogue): Update.
2602         (mips_can_use_return_insn): Update.
2603         (mips_reorg_process_insns): Update.
2604         * config/v850/v850.c (compute_register_save_size): Update.
2605         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
2606         * config/mmix/mmix.c (along): Update.
2607         (mmix_expand_epilogue): Update.
2608         * config/bfin/bfin.c (legitimize_pic_address): Update.
2609         (must_save_p): Update.
2610         (stack_frame_needed_p): Update.
2611         (add_to_reg): Update.
2612         (bfin_expand_prologue): Update.
2613         * stmt.c (expand_asm_operands): Update.
2614         * reload1.c (reload): Update.
2615         (init_elim_table): Update.
2616
2617 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
2618         
2619         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
2620         
2621 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
2622
2623         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
2624         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
2625         (mov<mode>): Removed.
2626         (*movv4sf_internal): Likewise.
2627         (*movv2df_internal): Likewise.
2628
2629 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
2630
2631         * config.gcc (crx-*-elf): Remove deprecation.
2632
2633 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
2634
2635         * config/i386/cygming-crtend.c (register_frame_ctor): Register
2636         __gcc_deregister_frame with atexit.
2637         (deregister_frame_dtor): Remove.
2638
2639 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
2640             Nathan Sidwell  <nathan@codesourcery.com>
2641
2642         * config/rs6000/rs6000.opt (mspe): Remove Var property.
2643         (misel): Likewise.
2644         * config/rs6000/rs6000.h (rs6000_spe): Declare.
2645         (rs6000_isel): Likewise.
2646         * config/rs6000/rs6000.c (rs6000_spe): New variable.
2647         (rs6000_isel): New variable.
2648         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
2649
2650 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2651
2652         PR c++/35758
2653         * c-common.c (handle_vector_size_attribute): Call
2654         lang_hooks.types.reconstruct_complex_type instead of
2655         reconstruct_complex_type.
2656         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
2657         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
2658         * langhooks.h (struct lang_hooks_for_types): Add
2659         reconstruct_complex_type hook.
2660         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
2661         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
2662
2663 2008-04-24  Richard Guenther  <rguenther@suse.de>
2664
2665         * c-common.h (check_builtin_function_arguments): Declare.
2666         * c-common.c (validate_nargs): New function.
2667         (check_builtin_function_arguments): Likewise.
2668         * c-typeck.c (build_function_call): Call
2669         check_builtin_function_arguments.
2670         * builtins.c (fold_builtin_classify): Remove error reporting code.
2671         (fold_builtin_unordered_cmp): Likewise.
2672         (fold_builtin_1): Likewise.
2673         (fold_builtin_n): Likewise.
2674
2675 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2676
2677         PR tree-optimization/36008
2678         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
2679         the original op1, rather than delta by step.
2680
2681 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
2682             Sebastian Pop  <sebastian.pop@amd.com>
2683
2684         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
2685         eliminate_local_variables_stmt, eliminate_local_variables,
2686         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
2687         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
2688         of code delimited by two edges in the CFG.
2689         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
2690         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
2691         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
2692         the case of parallelisation of reductions.
2693         (expr_invariant_in_region_p): New.
2694
2695         * tree-flow.h (gather_blocks_in_sese_region): Declared.
2696         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
2697
2698 2008-04-24  Ira Rosen  <irar@il.ibm.com>
2699             Richard Guenther  <rguenther@suse.de>
2700
2701         PR tree-optimization/36034
2702         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
2703         incapable of dealing with loads with gaps.
2704
2705 2008-04-24  Rafael Espindola  <espindola@google.com>
2706
2707         * tree-flow.h (vrp_evaluate_conditional): Change signature.
2708         * tree-ssa-propagate.c (fold_predicate_in): Update call to
2709         vrp_evaluate_conditional.
2710         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
2711         (vrp_evaluate_conditional): Split the cond argument.
2712         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
2713         (simplify_stmt_for_jump_threading): Update call to
2714         vrp_evaluate_conditional.
2715
2716 2008-04-24  Ira Rosen  <irar@il.ibm.com>
2717
2718         PR tree-optimization/35982
2719         * tree-vect-analyze.c (vect_check_interleaving): Check that the
2720         interleaved data-refs are of the same type.
2721
2722 2008-04-24  Danny Smith  <dannysmith@users.net>
2723
2724         * c-format.c (check_format_info_main): Use strncmp rather than a
2725         magic prefix to handle multichar length specs.
2726         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
2727         Don't prefix "I64" and "I32" with '\0'.
2728
2729 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2730
2731         PR target/36015
2732         * config/i386/i386.c (init_cumulative_args): Don't pass anything
2733         in registers for -m32 only if stdarg_p (fntype).
2734
2735 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
2736
2737         PR rtl-optimization/36006
2738         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
2739         temp to op0 in order to avoid invalid rtx sharing.
2740
2741 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
2742
2743         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
2744         check TREE_INVARIANT.
2745         * tree-gimple.c (is_gimple_address): New.
2746         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
2747         * tree-gimple.h (is_gimple_address): New.
2748         * tree.h (decl_address_invariant_p): New.
2749         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
2750         (build_string): Likewise.
2751         (decl_address_invariant_p): New, from is_gimple_invariant_address.
2752         (tree_invariant_p_1): Likewise.
2753         (save_expr): Use it.
2754         (tree_invariant_p): New.
2755         (skip_simple_arithmetic): Use it.
2756         (stabilize_reference_1): Use it.
2757         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
2758         simplify.
2759         (build1_stat): Drop code to compute TREE_INVARIANT.
2760         (build2_stat): Drop code to compute TREE_INVARIANT.
2761         (build3_stat): Drop code to compute TREE_INVARIANT.
2762         (build4_stat): Drop code to compute TREE_INVARIANT.
2763         (build5_stat): Drop code to compute TREE_INVARIANT.
2764         (build7_stat): Drop code to compute TREE_INVARIANT.
2765         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
2766         * tree.h (struct tree_base): Remove invariant_flag.
2767         (TREE_INVARIANT): Remove.
2768         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
2769         (fold_builtin_expect): Check TREE_CONSTANT.
2770         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
2771         * c-tree.h (c_expr_to_decl): Drop third parameter.
2772         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
2773         (build_c_cast): Don't set TREE_INVARIANT.
2774         (pop_init_level): Don't set TREE_INVARIANT.
2775         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
2776         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
2777         TREE_CONSTANT.
2778         (gimplify_init_constructor): Don't set TREE_INVARIANT.
2779         (gimplify_addr_expr): Adjust comment.
2780         * tree-mudflap.c (mf_build_string):
2781         * print-tree.c (print_node): Don't print TREE_INVARIANT.
2782         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
2783         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
2784         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
2785         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
2786         * langhooks.h (struct lang_hooks): Drop third parameter from
2787         expr_to_decl.
2788
2789 2008-04-23  Richard Guenther  <rguenther@suse.de>
2790
2791         PR tree-optimization/27799
2792         PR tree-optimization/32921
2793         PR tree-optimization/32624
2794         * tree-ssa-structalias.c (merge_smts_into): Only merge the
2795         SMTs aliases and the tag itself into the solution.
2796         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
2797         merge the points-to solution back into the SMT aliases.
2798         (may_alias_p): Use alias_set_subset_of instead of
2799         aliases_conflict_p.  A pointer which points to
2800         memory with alias set zero may access any variable.
2801
2802 2008-04-23  Richard Guenther  <rguenther@suse.de>
2803
2804         * alias.c (alias_set_subset_of): Correctly handle asking
2805         if zero is a subset of an alias set with zero child.
2806         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
2807         (compute_flow_insensitive_aliasing): Correctly walk all
2808         pointers.  Do not unnecessarily union sets.
2809
2810 2008-04-23  Richard Guenther  <rguenther@suse.de>
2811
2812         PR middle-end/36021
2813         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
2814
2815 2008-04-22  Tomas Bily  <tbily@suse.cz>
2816
2817         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
2818         unreachable case.
2819         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
2820         NON_LVALUE_EXPR.
2821         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
2822         * tree-ssa-structalias.c (get_constraint_for): Likewise.
2823         * tree-inline.c (estimate_num_insns_1): Likewise.
2824         * varasm.c (const_hash_1, compare_constant, copy_constant)
2825         (compute_reloc_for_constant, output_addressed_constants): Likewise.
2826         * emit-rtl.c (component_ref_for_mem_expr)
2827         (set_mem_attributes_minus_bitpos): Likewise.
2828         * expr.c (highest_pow2_factor, expand_expr_real_1, )
2829         (is_aligning_offset): Likewise.
2830         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
2831         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
2832         * dojump.c (do_jump): Likewise.
2833         * builtins.c (get_pointer_alignment, get_memory_rtx)
2834         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
2835         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
2836
2837 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
2838
2839         PR rtl-optimization/36017
2840         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
2841         expanding the library call.
2842
2843 2008-04-22  Ian Lance Taylor  <iant@google.com>
2844
2845         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
2846         than size_in_bytes.
2847
2848 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
2849
2850         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
2851         of LR/CTR moves for Power6.
2852
2853 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
2854
2855         PR middle-end/36003
2856         * passes.c (init_optimization_passes): Remove
2857         pass_fast_rtl_byte_dce.
2858         
2859 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
2860
2861         PR target/29096
2862         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
2863         builtin functions to generate faster code.
2864         (_mm_cvtpu16_ps): Ditto.
2865         (_mm_cvtpi32x2_ps): Ditto.
2866
2867 2008-04-22  Nick Clifton  <nickc@redhat.com>
2868
2869         * common.opt (ftree-loop-distribution): Add Optimization
2870         attribute.
2871
2872         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
2873         (frv_expand_builtin_va_start): Likewise.
2874
2875         * config/arm/arm.c (thumb_find_work_register): Fix location of
2876         argument register count.
2877
2878 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
2879
2880         Support scheduling for ColdFire V1 and V3 microarchitecture.
2881         Improve scheduling of multiplication instructions.
2882
2883         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
2884         (mac): New instruction attribute.
2885         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
2886         (m68k_sched_mac): New variable.
2887         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
2888         Handle cfv1 and cfv3.
2889         (max_insn_size): New static variable.
2890         (struct _sched_ib): New type.
2891         (sched_ib): New static variable.
2892         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
2893         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
2894         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
2895         Update.
2896         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
2897         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
2898         new variables.  Update.
2899         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
2900         Add modeling of cfv3 instruction buffer.  Update.
2901         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
2902         * config/m68k/m68k.h (TUNE_CFV3): New macro.
2903         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
2904         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
2905         a particular reservation applies to.
2906         (type2): Reorganize attribute values.  Rename alu to alu_reg,
2907         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
2908         to mul_l and mul_w.
2909         (cf_ib_*): Simplify description of instruction buffer.
2910         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
2911         (cf_mem): Split into cf_mem1 and cf_mem2.
2912         (cf_v2_move_??): Rename to cfv12_alu_??.
2913         (cf_v2_move_l_??): Rename to cfv12_omove_??.
2914         (cf_v2_mul_??): Remove reservations.
2915         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
2916         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
2917         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
2918         appropriate place.
2919         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
2920         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
2921         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
2922         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
2923         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
2924         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
2925         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
2926         expansions of the above reservations for instructions of sizes
2927         1, 2 and 3 words.
2928
2929 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
2930
2931         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
2932
2933 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
2934
2935         * coverage.c: Include tree-pass.h.
2936         (coverage_counter_alloc): Print da_file_name to the dump file.
2937
2938 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
2939
2940         * sbitmap.c (sbitmap_range_empty_p): New function.
2941         * sbitmap.h (sbitmap_range_empty_p): New function.
2942         * bitmap.h: Now includes obstack.h.
2943
2944 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
2945             Kenneth Zadeck  <zadeck@naturalbridge.com>
2946
2947         * dbgcnt.def (ra_byte_scan): Added.
2948         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
2949         when the last hit happens for a counter.  
2950         * timevar.def (TV_DF_BYTE_LR): New variable.
2951         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
2952         * passes.c (pass_fast_rtl_byte_dce): New pass.
2953         * fwprop.c (update_df): Added mode to call df_ref_create.
2954         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
2955         DF_REF_EXTRACT_OFFSET.
2956         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, 
2957         DF_BYTE_LR_OUT, df_byte_lr): New macro.
2958         (df_mm): New enum.
2959         (df_ref_extract): Added mode field.
2960         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
2961         DF_REF_EXTRACT_OFFSET.
2962         (DF_REF_EXTRACT_MODE): New macro.
2963         (df_byte_lr_bb_info): New structure.
2964         (df_print_byte_regset, df_compute_accessed_bytes, 
2965         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
2966         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
2967         df_byte_lr_simulate_uses,
2968         df_byte_lr_simulate_artificial_refs_at_top,
2969         df_byte_lr_simulate_artificial_refs_at_end,
2970         df_compute_accessed_bytes): New function.
2971         (df_ref_create): Add parameter.
2972         (df_byte_lr_get_bb_info): New inline function.
2973         * df-scan.c (df_ref_record, df_uses_record,
2974         df_ref_create_structure): Added mode parameter.
2975         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, 
2976         df_defs_record, df_uses_record, df_get_conditional_uses,
2977         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, 
2978         df_entry_block_defs_collect, df_exit_block_uses_collect):
2979         Added mode parameter to calls to df_ref_record, df_uses_record,
2980         df_ref_create_structure.
2981         (df_ref_equal_p, df_ref_compare): Added test for modes.
2982         (df_ref_create_structure): Added code to set mode.  Renamed
2983         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
2984         DF_REF_EXTRACT_OFFSET.
2985         * df-core.c (df_print_byte_regset): New function.
2986         * df-byte-scan.c: New file.
2987         * df-problems.c (df_rd_transfer_function): Removed unnecessary
2988         calls to BITMAP_FREE.  
2989         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
2990         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
2991         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, 
2992         df_byte_lr_check_regs, df_byte_lr_expand_bitmap, 
2993         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
2994         df_byte_lr_local_compute, df_byte_lr_init,
2995         df_byte_lr_confluence_0, df_byte_lr_confluence_n, 
2996         df_byte_lr_transfer_function, df_byte_lr_free, 
2997         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
2998         df_byte_lr_add_problem, df_byte_lr_simulate_defs, 
2999         df_byte_lr_simulate_uses,
3000         df_byte_lr_simulate_artificial_refs_at_top,
3001         df_byte_lr_simulate_artificial_refs_at_end): New function.
3002         * dce.c (byte_dce_process_block): New function.
3003         (dce_process_block): au is now passed in rather than computed
3004         locally.  Changed loops that look at artificial defs to not look
3005         for conditional or partial ones, because there never are any.  
3006         (fast_dce): Now is able to drive byte_dce_process_block or 
3007         dce_process_block depending on the kind of dce being done.
3008         (rest_of_handle_fast_dce): Add parameter to fast_dce.
3009         (rest_of_handle_fast_byte_dce): New function.
3010         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
3011         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
3012
3013 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
3014
3015         PR fortran/35019
3016         * gcc.h: Added fortran options that take arguments to
3017         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
3018         macros.
3019
3020 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
3021
3022         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
3023         scalarization if on the LHS and not a full access.
3024
3025 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3026
3027         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
3028
3029 2008-04-18  Rafael Espindola  <espindola@google.com>
3030
3031         * tree-vrp.c (find_case_label_index): Fix the binary search.
3032         (find_case_label_range): New.
3033         (vrp_visit_switch_stmt): Use find_case_label_range.
3034         (simplify_switch_using_ranges): Use find_case_label_range.
3035
3036 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
3037
3038         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
3039         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
3040
3041 2008-04-18  Tom Tromey  <tromey@redhat.com>
3042
3043         PR libcpp/15500:
3044         * doc/cpp.texi (Implementation-defined behavior): Mention
3045         -finput-charset.
3046
3047 2008-04-18  Ian Lance Taylor  <iant@google.com>
3048
3049         * fold-const.c (pointer_may_wrap_p): New static function.
3050         (fold_comparison): Add another test for pointer overflow.  Use
3051         pointer_may_wrap_p to disable some false positives.
3052
3053 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
3054           
3055         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
3056         (fname_as_string): Match updated cpp_interpret_string prototype.
3057         (fix_string_type): Support char16_t* and char32_t*.
3058         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
3059         derivative) nodes.  Register as builtin if C++0x.
3060         (c_parse_error): Support CPP_CHAR{16,32}.
3061         * c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
3062         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
3063         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
3064         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
3065         CTI_CHAR32_ARRAY_TYPE>: New elements.
3066         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
3067         char32_type_node, signed_char32_type_node, char16_array_type_node,
3068         char32_array_type_node): New defines.
3069         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
3070         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
3071         (lex_string): Support CPP_STRING{16,32}, match updated
3072         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
3073         (lex_charconst): Support CPP_CHAR{16,32}.
3074         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
3075         and CPP_STRING{16,32}.
3076
3077 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
3078
3079         PR bootstrap/35457
3080         * aclocal.m4: Regenerate.
3081         * configure: Regenerate.
3082
3083 2008-04-18  Jan Hubicka  <jh@suse.cz>
3084
3085         * except.c (dw2_size_of_call_site_table,
3086         sjlj_size_of_call_site_table): Use vector API for call_site_record.
3087
3088         * cgraphbuild.c (build_cgraph_edges): Update.
3089         * tree-pass.h: Update comment.
3090         * final.c (leaf_function_p): Update.
3091         (leaf_renumber_regs): Update.
3092         (rest_of_clean_state): Update.
3093         * omp-low.c (expand_omp_parallel): Update.
3094         * ipa-reference.c (analyze_function): Update.
3095         * reorg.c (find_end_label): Update.
3096         (optimize_skip): Update.
3097         (fill_simple_delay_slots): Update.
3098         (fill_simple_delay_slots): Update.
3099         (make_return_insns): Update.
3100         (dbr_schedule): Update.
3101         * gimple-low.c (record_vars_into): Update.
3102         * cfgbuild.c (make_edges): Update.
3103         * function.c (assign_stack_local): Update.
3104         (assign_parm_adjust_stack_rtl): Update.
3105         (locate_and_pad_parm): Update.
3106         (allocate_struct_function): Do not initialize stack_alignment_needed
3107         and preferred_stack_boundary here.
3108         (stack_protect_prologue): Update.
3109         (stack_protect_epilogue): Update.
3110         (expand_function_start): Initialize stack_alignment_needed,
3111         preferred_stack_boundary and max_jumptable_ents.
3112         (expand_function_end): Update.
3113         (free_after_compilation): Do not NULLify epilogue_delay_list.
3114         * function.h (struct rtl_data): Add stack_protect_guard,
3115         stack_alignment_needed,
3116         preferred_stack_boundary, epilogue_delay_list.
3117         (struct function): Remove value_histograms, stack_alignment_needed,
3118         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
3119         last_label_uid,
3120         unexpanded_var_list, stack_protect_guard.
3121         (current_function_epilogue_delay_list): Remove.
3122         * ipa-type-escape.c (analyze_function): Update.
3123         * gimplify.c (pop_gimplify_context): Update comment.
3124         * calls.c (expand_call): Update.
3125         (emit_library_call_value_1): Update.
3126         * except.c (set_nothrow_function_flags): Update.
3127         * cfgexpand.c (get_decl_align_unit): Update.
3128         (create_stack_guard): Update.
3129         (estimated_stack_frame_size): Update.
3130         (expand_used_vars): Update.
3131         (tree_expand_cfg): Free histogram earliers, init expansion variables.
3132         * explow.c (allocate_dynamic_stack_space): Update.
3133         * tree-ssa-live.c (remove_unused_locals): Update.
3134         * varasm.c (mark_constant_pool): Update.
3135         * tree-inline.c (remap_decls): Update.
3136         (initialize_cfun): Update.
3137         (declare_return_variable): Update.
3138         (inline_forbidden_p): Update.
3139         (expand_call_inline): Update.
3140         (declare_inline_vars): Update.
3141         (tree_function_versioning): Update.
3142         * tree-flow.h (value_histograms): New.
3143         (VALUE_HISTOGRAMS): New macro.
3144         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
3145         last_label_uid.
3146         * tree-cfg.c (set_bb_for_stmt): Update.
3147         (replace_by_duplicate_decl): Update.
3148         (move_block_to_fn): Update.
3149         (new_label_mapper): Update.
3150         (dump_function_to_file): Update.
3151         * ipa-struct-reorg.c (build_data_structure): Update.
3152         * cfgrtl.c (print_rtl_with_bb): Update.
3153         * reload1.c (reload): Update.
3154         (reload): Update.
3155         * config/i386/i386.c (setup_incoming_varargs_64,
3156         ix86_compute_frame_layout): Update.
3157         * config/arc/arc.c (arc_output_function_epilogue): Update.
3158
3159 2008-04-18  Marius Strobl <marius@FreeBSD.org>
3160
3161         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
3162         for FreeBSD as well.
3163         * gthr-posix95.h: Likewise.
3164
3165 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
3166
3167         PR rtl-optimization/35838
3168         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
3169         out the byte offset of the first subreg.
3170
3171 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
3172
3173         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
3174         to split_ti instead of three separate calls with single member arrays.
3175         (subti3 splitter): Ditto.
3176         (adddi3 splitter): Ditto with split_di.
3177         (subdi3 splitter): Ditto.
3178         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
3179         two separate calls with single member arrays.  Swap match_dup
3180         operands 1 and 2 to better fit into the array.
3181         (negdi2 splitter): Ditto with split_di.
3182         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
3183         two separate calls with single member arrays.  Swap match_dup operands
3184         6 and 7 to better fit into the array.
3185
3186 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
3187
3188         * config/i386/i386.c (sse_builtin_type): New.
3189         (bdesc_sse_args): Likewise.
3190         (bdesc_sse_3arg): Removed.
3191         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
3192         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
3193         IX86_BUILTIN_ROUNDPS.
3194         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
3195         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
3196         IX86_BUILTIN_ROUNDPS.
3197         (ix86_expand_sse_4_operands_builtin): Removed.
3198         (ix86_expand_sse_operands_builtin): New.
3199         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
3200         and CODE_FOR_sse4_1_roundps.
3201         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
3202         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
3203
3204 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
3205
3206         PR target/35907
3207         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
3208         regs before frame pop when needed.  If use_backchain_to_restore_sp
3209         then load backchain into a temp reg to restore vr and vrsave.  Add
3210         code to restore vr after frame pop if possible.
3211
3212 2008-04-17  Richard Guenther  <rguenther@suse.de>
3213
3214         * tree-vn.c (expressions_equal_p): Do not check type
3215         equality or compatibility before calling operand_equal_p.
3216         * fold-const.c (operand_equal_p): Check equivalence of
3217         integer constants before bailing out due to signedness or
3218         precision differences.
3219         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
3220         spurious differences in type qualification.  Ignore types
3221         for COMPONENT_REFs at all.
3222
3223 2008-04-17  Christian Bruel  <christian.bruel@st.com>
3224
3225         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
3226         msw_skip comparison.
3227         
3228 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
3229
3230         PR c/35739
3231         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
3232         reg type.
3233
3234         PR tree-optimization/35899
3235         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
3236         rather than TREE_OPERAND.
3237
3238 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
3239
3240         PR target/35944
3241         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
3242         temporary registers.  Change operand predicate to general_operand.
3243         (remainderxf3): Ditto.
3244
3245 2008-04-16  Richard Guenther  <rguenther@suse.de>
3246
3247         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
3248         * tree-affine.c (aff_combination_expand): Look through some
3249         conversions.
3250
3251 2008-04-15  Doug Kwan  <dougkwan@google.com>
3252
3253         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
3254         for hex printing.
3255         * tree-pretty-print.c (dump_generic_node): Ditto.
3256         * final.c (output_addr_const): Ditto.
3257         * dwarf2out.c (output_cfi): Ditto.
3258         * c-pretty-print.c (pp_c_integer_constant): Ditto.
3259         * print-rtl.c (print_rtx): Ditto.
3260         * print-tree.c (print_node_brief, print_node): Ditto.
3261         * c-common.c (match_case_to_enum_1): Ditto.
3262         * sched-vis.c (print_value): Ditto.
3263         * config/i386/i386.c (print_operand): Cast to long unsigned int
3264         for hex printing.
3265
3266 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
3267         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
3268         MS Windows VirtualProtect function.
3269
3270 2008-04-15  Jan Hubicka  <jh@suse.cz>
3271
3272         * gengtype.c (write_root): Param_is argument is OK.
3273         * expr.c (expand_expr_real_1): Update call of get_exception_*.
3274         * function.h: Include varray.h
3275         (rtl_eh): New stucture based on except.c one.
3276         (call_site_record): New forward declaration and vector type.
3277         * calls.c (emit_call_1): Do not call
3278         note_current_region_may_contain_throw.
3279         * except.c (eh_status): Remove cur_region, try_region since they are
3280         unused.
3281         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
3282         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
3283         sjlj_fc, sjlj_exit_after to rth_eh in function.h. 
3284         Remove call_site_data_used, call_site_data_size.
3285         Turn call_site_record into vector in function.h.
3286         (note_current_region_may_contain_throw): Remove.
3287         (get_exception_pointer, get_exception_filter): Do not take struct
3288         function argument; update.
3289         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
3290         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
3291         build_post_landing_pads, dw2_build_landing_pads,
3292         sjlj_assign_call_site_values, sjlj_mark_call_sites,
3293         sjlj_emit_function_enter, sjlj_emit_function_enter, 
3294         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
3295         sjlj_build_landing_pads, finish_eh_generation,
3296         remove_exception_handler_label, remove_eh_handler,
3297         maybe_remove_eh_handler, add_reachable_handler,
3298         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
3299         add_action_record, collect_one_action_chain, add_call_site,
3300         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
3301         sjlj_output_call_site_table, output_function_exception_table,
3302         * except.h (note_current_region_may_contain_throw): Remove
3303         (get_exception_pointer, get_exception_filter): Do not take struct
3304         function argument.
3305         * Makefile.in (GTFILES): Put varargs before struct function.
3306
3307 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
3308
3309         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
3310         punt for STRING_CST.
3311         (get_constraint_for): Deal with STRING_CST here instead.
3312
3313 2008-04-15  Richard Guenther  <rguenther@suse.de>
3314
3315         * tree-ssa-propagate.c (substitute_and_fold): Substitute
3316         statements in a basic-block with a backward walk.  Do not
3317         substitute into dead statements but instead remove those.
3318
3319 2008-04-15  Richard Guenther  <rguenther@suse.de>
3320
3321         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
3322         to zero, thus disable creation of SFTs.
3323
3324 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
3325
3326         * tree-predcom.c (suitable_reference_p): Return false if the
3327         reference can throw.
3328
3329 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
3330
3331         PR c/35751
3332         * c-decl.c (finish_decl): If extern or static var has variable
3333         size, set TREE_TYPE (decl) to error_mark_node.
3334
3335 2008-04-15  Rafael Espindola  <espindola@google.com>
3336
3337         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
3338         variable arg1.
3339
3340 2008-04-15  Richard Guenther  <rguenther@suse.de>
3341
3342         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
3343         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
3344         (visit_reference_op_load): Do walk vuse-vdef chains on
3345         vn_reference_lookup.
3346         (visit_reference_op_store): But do not here.
3347         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
3348         vn_reference_lookup.
3349         (vn_lookup_with_vuses): But do so here.
3350
3351 2008-04-14  Ian Lance Taylor  <iant@google.com>
3352
3353         * fold-const.c (fold_overflow_warning): Remove assertion.
3354
3355 2008-04-15  Ben Elliston  <bje@au.ibm.com>
3356
3357         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
3358         temp1 local variables.
3359
3360 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
3361
3362         PR target/35661
3363         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
3364         ".text.unlikely" section as executable.
3365
3366 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
3367
3368         * config/ia64/ia64.c (rtx_needs_barrier): Handle
3369         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
3370         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
3371         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
3372         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
3373         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
3374         divxf3_internal_th