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1 2008-05-21  Tom Tromey  <tromey@redhat.com>
2
3         * ggc-zone.c (lookup_page_table_if_allocated): New function.
4         (zone_find_object_offset): Likewise.
5         (gt_ggc_m_S): Likewise.
6         (highest_bit): Likewise.
7         * ggc-page.c (gt_ggc_m_S): New function.
8         * stringpool.c (string_stack): Remove.
9         (init_stringpool): Update.
10         (ggc_alloc_string): Use ggc_alloc.
11         (maybe_delete_ident): New function.
12         (ggc_purge_stringpool): Likewise.
13         (gt_ggc_m_S): Remove.
14         * ggc-common.c (ggc_protect_identifiers): New global.
15         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
16         ggc_protect_identifiers.
17         * ggc.h (ggc_protect_identifiers): Declare.
18         (gt_ggc_m_S): Update.
19         (ggc_purge_stringpool): Declare.
20         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
21         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
22         special case.
23         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
24
25 2008-05-21  David S. Miller  <davem@davemloft.net>
26
27         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
28         tmake_file.
29
30 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
31
32         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
33         once finished.
34
35 2008-05-20  David Daney  <ddaney@avtrex.com>
36
37         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
38         UNSPEC_SYNC_OLD_OP_12,
39         UNSPEC_SYNC_EXCHANGE_12): New define_constants.
40         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER,
41         UNSPEC_SET_GOT_VERSION,
42         UNSPEC_UPDATE_GOT_VERSION): Renumber.
43         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
44         (atomic_hiqi_op): New define_code_iterator.
45         (sync_compare_and_swap<mode>): Call
46         mips_expand_atomic_qihi instead of
47         mips_expand_compare_and_swap_12.
48         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
49         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to
50         MIPS_COMPARE_AND_SWAP_12.
51         (sync_<optab><mode>, sync_old_<optab><mode>,
52         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
53         sync_new_nand<mode>): New define_expands for HI and QI mode
54         operands.
55         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
56         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
57         (sync_lock_test_and_set<mode>): New define_expand for HI and QI
58         modes.
59         (test_and_set_12): New insn.
60         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
61         sync_new_<optab><mode>, sync_old_nand<mode>,
62         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
63         clobber to operand 0 for SI and DI mode insns.
64         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
65         mips_gen_fn_4): New typedefs.
66         (mips_gen_fn_ptrs): Define new union type.
67         (mips_expand_compare_and_swap_12): Remove declaration.
68         (mips_expand_atomic_qihi): Declare function.
69         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
70         (mips_expand_atomic_qihi): ... this.  Use new generator function
71         parameter.
72         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
73         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
74         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP,
75         MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
76         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
77         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
78         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
79         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
80         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
81         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
82         MIPS_SYNC_EXCHANGE_12_ZERO_OP,
83         MIPS_SYNC_EXCHANGE_12_NONZERO_OP): New macros.
84
85 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
86
87         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
88         the missing break.
89
90 2008-05-20  Anatoly Sokolov <aesok@post.ru>
91
92         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
93         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
94         (avr_attribute_table): Add 'OS_main' function attribute.
95         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
96         functions with 'OS_main' attribute.
97
98 2008-05-20  Richard Guenther  <rguenther@suse.de>
99
100         PR tree-optimization/35204
101         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
102         helper, split out from ...
103         (DFS): ... here.  Make the DFS walk non-recursive.
104
105 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
106             Jan Sjodin  <jan.sjodin@amd.com>
107
108         PR tree-optimization/36181
109         * tree-parloops.c (loop_has_vector_phi_nodes): New.
110         (parallelize_loops): Don't parallelize when the loop has vector
111         phi nodes.
112
113 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
114             Sebastian Pop  <sebastian.pop@amd.com>
115
116         * tree-loop-linear.c (gather_interchange_stats): Look in the access matrix,
117         and never look at the tree representation of the memory accesses.
118         (linear_transform_loops): Computes parameters and access matrices.
119         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false when fails.
120         (access_matrix_get_index_for_parameter): New.
121         * tree-data-ref.h (struct access_matrix): New.
122         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
123         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
124         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
125         am_vector_index_for_loop): New.
126         (struct data_reference): Add field access_matrix.
127         (DR_ACCESS_MATRIX): New.
128         (compute_data_dependences_for_loop): Update declaration.
129         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
130         * lambda.h (lambda_vector_vec_p): Declared.
131         * lambda-code.c: Depend on pointer-set.h.
132         (lambda_collect_parameters_from_af, lambda_collect_parameters,
133         av_for_af_base, av_for_af, build_access_matrix,
134         lambda_compute_access_matrices): New.
135         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
136
137 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
138
139         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
140         $SOURCEDIR/include.
141
142 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
143             Sebastian Pop  <sebastian.pop@amd.com>
144
145         PR tree-optimization/36206
146         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
147         FOLD_CONVERSIONS.
148         (instantiate_scev_1): Rename flags to fold_conversions.
149         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
150         outeside instantiation_loop.
151         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
152         (evolution_function_is_affine_or_constant_p): Removed.
153         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
154         instantiate_scev.
155         (analyze_siv_subscript): Pass in the loop nest number.
156         Call evolution_function_is_affine_in_loop instead of 
157         evolution_function_is_affine_p.
158         (analyze_overlapping_iterations): Pass in the loop nest number.
159
160 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
161             Sebastian Pop  <sebastian.pop@amd.com>
162
163         PR tree-optimization/36206
164         * tree-chrec.h (chrec_fold_op): New.
165         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR, and
166         other trees.
167
168 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
169
170         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
171         (DIRS_EQ): New.
172         (remove_duplicates): Do not set inode on non-inode systems.  Use
173         DIRS_EQ.
174
175 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
176
177         * config.gcc (tm_file): Update comments about relative pathnames.
178
179 2008-05-20  Richard Guenther  <rguenther@suse.de>
180
181         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics
182         infrastructure.
183         * tree-ssa-sccvn.c (process_scc): Likewise.
184         * tree-ssa-sink.c (execute_sink_code): Likewise.
185         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
186         * tree-vrp.c (process_assert_insertions): Likewise.
187         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
188         (perform_tree_ssa_dce): Likewise.
189         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
190         (dump_dominator_optimization_stats): Likewise.
191         * tree-vectorizer.c (vectorize_loops): Likewise.
192
193 2008-05-20  Richard Guenther  <rguenther@suse.de>
194
195         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
196
197 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
198
199         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
200         (ix86_i386elf_return_in_memory): Likewise.
201         (ix86_i386interix_return_in_memory): Likewise.
202         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
203         (SUBTARGET_RETURN_IN_MEMORY): New.
204         * config/i386/i386elf.h: Likewise.
205         * config/i386/ptx4-i.h: Likewise.
206         * config/i386/sol2-10.h: Likewise.
207         * config/i386/sysv4.h: Likewise.
208         * config/i386/vx-common.h: Likewise.
209         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
210         * config/i386/i386.c (ix86_return_in_memory): Made static and
211         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
212         (ix86_i386elf_return_in_memory): Removed.
213         (ix86_i386interix_return_in_memory): Removed.
214         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
215         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
216
217 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
218
219         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
220
221 2008-05-19  Xinliang David Li  <davidxl@google.com>
222
223         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18. 
224         * opts.c: Ditto.
225         * common.opt: Ditto.
226         * doc/invoke.texi: Ditto.
227
228 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
229
230         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
231         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
232
233 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
234
235         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
236         sizes of operand array from 8/4 to 4/2.
237         (ix86_expand_vector_init_general): Change size of operand array
238         from 32 to 16.  Remove op0, op1 and half_mode.
239
240 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
241
242         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
243         (ix86_expand_vector_init_interleave): Likewise.
244         (ix86_expand_vector_init_general): Use them.  Assert word_mode
245         == SImode when n_words == 4.
246
247 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
248
249         * config/i386/i386.c (ix86_secondary_reload): New static function.
250         (TARGET_SECONDARY_RELOAD): New define.
251         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
252         * config/i386/i386.md (reload_outqi): Remove.
253
254 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
255
256         PR middle-end/35509
257         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
258         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
259         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
260         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
261         (fold_builtin_1): Likewise.
262         * builtins.def (BUILT_IN_ISINF_SIGN): New.
263         c-common.c (check_builtin_function_arguments): Handle
264         BUILT_IN_ISINF_SIGN.
265         * doc/extend.texi: Document __builtin_isinf_sign.
266         * fold-const.c (operand_equal_p): Handle COND_EXPR.
267
268 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
269
270         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
271         EH cleanup at the end of the pass, search for those that have been
272         turned into forwarder blocks and do the cleanup on their successor.
273
274 2008-05-18  Richard Guenther  <rguenther@suse.de>
275
276         * tree-cfg.c (verify_gimple_expr): Allow conversions from
277         pointers to sizetype and vice versa.
278
279 2008-05-18 Xinliang David Li   <davidxl@google.com>
280
281         * gcc/tree-ssa-dce.c: Coding style fix.
282         (check_pow): Documentation comment. 
283         (check_log): Documenation comment. Coding style fix.
284         (is_unnecessary_except_errno_call): Ditto.
285         (gen_conditions_for_pow): Ditto.
286         (gen_conditions_for_log): Ditto.
287         (gen_shrink_wrap_conditions): Ditto.
288         (shrink_wrap_one_built_in_calls): Ditto.
289         * gcc/doc/invoke.texi: Better documentation string.
290         * ChangeLog: Fix wrong change log entries from 
291         May 17 checkin on function call DCE.
292
293 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
294
295         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
296
297 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
298
299         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
300         * df-problems.c (simulation routines): Fixed block comment to
301         properly say how to add forwards scanning functions.
302         
303 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
304
305         * tree-inline.c (setup_one_parameter): Remove dead code.
306
307 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
308
309         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
310         a BIT_AND_EXPR only for an INTEGER_TYPE.
311
312 2008-05-17 Xinliang David Li   <davidxl@google.com>
313
314         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
315         (check_pow, check_log, is_unnecessary_except_errno_call): New 
316         functions to check for eliminating math functions that are pure 
317         except for setting errno.
318         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
319         general condition expressions for shrink-wrapping pow/log calls.
320         (gen_shrink_wrap_conditions): Ditto.
321         (shrink_wrap_one_built_in_call): Ditto.
322         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
323         (mark_operand_necessary): If debugging, output if OP is necessary.
324         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
325         unnecessary.
326         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
327         opt level >= 2.
328         * gcc/common.opt: New user flag -ftree-builtin-dce.
329         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
330
331 2008-05-16  David S. Miller  <davem@davemloft.net>
332
333         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
334         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
335
336 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
337
338         PR target/36246
339         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
340
341 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
342
343         * ifcvt.c (dead_or_predicable): Rename
344         df_simulate_one_insn_backwards to df_simulate_one_insn.
345         * recog.c (peephole2_optimize): Ditto.
346         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
347         Ditto.
348         * df.h: Rename df_simulate_one_insn_backwards to
349         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
350         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
351         scanning of defs and uses.
352         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
353         (df_simulate_one_insn_forwards): Removed.
354
355 2008-05-16  Doug Kwan  <dougkwan@google.com>
356
357         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
358         QNaN & SNaN.
359         (real_from_string): Handle NaNs and Inf as approriate.
360
361 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
362
363         * doc/gty.texi (Source Files Containing Type Information): Note
364         that headers should appear first in the gtfiles list.
365
366 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
367
368         * tree.def (COND_EXEC): Properly documented this code.
369
370 2008-05-16  Diego Novillo  <dnovillo@google.com>
371
372         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
373         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
374         the new field.
375
376 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
377
378         * tree-ssa-dse (max_stmt_uid): Removed.
379         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt, 
380         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
381         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
382         * function.h (cfun.last_stmt_uid): New field.
383         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
384         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
385         New functions.
386         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
387         (create_stmt_ann): Initialize the ann->uid field.
388         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
389         with new calls.
390         * tree-flow.h (renumber_gimple_stmt_uids): New function.
391
392 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
393
394         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
395         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
396         (init_empty_tree_cfg): Call it.
397
398 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
399
400         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
401         Update all users.
402
403 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
404
405         * doc/invoke.text (-fdump-tree-*-verbose): New option.
406         * tree-dump.c (dump_options): New verbose option.
407         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
408         Add verbose dump.
409         * tree-pass.h (TDF_VERBOSE): New dump flag.
410         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
411         (tree-flow.h): Added include.
412         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
413
414 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
415
416         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
417
418         From Jie Zhang  <jie.zhang@analog.com>
419         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
420         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
421         mcpu=bf561-none and mcpu=bf561-0.2.
422         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
423         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
424         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
425         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
426         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
427         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
428         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
429         option.
430         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
431         (cputype_selected): Remove.
432         (bfin_handle_option): Don't use cputype_selected.
433         (override_options): When no mcpu option, enable all workarounds.
434         Don't use bfin_workarounds.
435         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
436         processor type.
437         (DEFAULT_CPU_TYPE): Don't define.
438
439 2008-05-16  Richard Guenther  <rguenther@suse.de>
440
441         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
442         on deletion of the last stmt.
443
444 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
445
446         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
447         V8HImode for SSE2 and V16QImode for SSE4.1.
448
449 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
450
451         * cgraph.h (compute_inline_parameters): Made public.
452         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
453         variable_generate_summary, function_write_summary,
454         variable_write_summary, variable_read_summary.  Added generate_summary,
455         write_summary, read_summary.
456         * cgraphunit.c (cgraph_process_new_functions): Changed call from
457         pass_ipa_inline.function_generate_summary, to
458         compute_inline_parameters. 
459         * ipa-inline.c (compute_inline_parameters): Made public and added
460         node parameter.
461         (compute_inline_parameters_for_current): New function.
462         (pass_inline_param): Now calls compute_inline_parameters_for_current.
463         (inline_generate_summary): Removed parameter and made to loop over
464         all cgraph nodes.
465         (pass_ipa_inline): Updated for new IPA_PASS structure.
466         * passes.c (execute_ipa_summary_passes): Now is called once per
467         pass rather than once per node*pass.
468         
469 2008-05-15  Anatoly Sokolov <aesok@post.ru>
470
471         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p, 
472         avr_have_mul_p, avr_asm_only_p): Remove variables.
473         (avr_override_options): Remove initialization of removed variables.
474         (avr_file_start):  Convert removed variables to fields of 
475         'struct base_arch_s *avr_current_arch'. 
476         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
477         (AVR_HAVE_MUL): (Ditto.).
478         (AVR_HAVE_MOVW): (Ditto.).
479         (AVR_HAVE_LPMX): (Ditto.). 
480         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p, 
481         avr_asm_only_p): Remove declaration.
482
483 2008-05-15  Diego Novillo  <dnovillo@google.com>
484
485         * config/arm/arm.c (arm_return_in_memory): Fix return type.
486         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
487
488 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
489
490         PR middle-end/36194
491         * combine.c (check_conversion): Rename back to check_promoted_subreg.
492         Don't call record_truncated_value from here.
493         (record_truncated_value): Turn it into a for_each_rtx callback.
494         (record_truncated_values): New function.
495         (combine_instructions): Call note_uses with record_truncated_values.
496         Change name of check_conversion to check_promoted_subreg. 
497
498 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
499
500         * doc/sourcebuild.texi: Document support for torture tests.
501
502 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
503
504         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
505         to alternative 4 of operand 2.
506
507 2008-05-15  Richard Guenther  <rguenther@suse.de>
508
509         * tree-pass.h (current_pass): Declare.
510         (get_pass_for_id): Likewise.
511         * passes.c (passes_by_id, passes_by_id_size): New globals.
512         (set_pass_for_id): New function.
513         (get_pass_for_id): Likewise.
514         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
515         (execute_function_todo): Flush per function statistics.
516         * toplev.c (compile_file): Init statistics.
517         (general_init): Do early statistics initialization.
518         (finalize): Finish statistics.
519         * statistics.h (statistics_early_init): Declare.
520         (statistics_init): Likewise.
521         (statistics_fini): Likewise.
522         (statistics_fini_pass): Likewise.
523         (statistics_counter_event): Likewise.
524         (statistics_histogram_event): Likewise.
525         * statistics.c: New file.
526         * Makefile.in (OBJS-common): Add statistics.o.
527         (statistics.o): Add dependencies.
528         * doc/invoke.texi (-fdump-statistics): Document.
529
530         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
531         (insert): Likewise.
532         (execute_pre): Use statistics_counter_event.
533         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
534         (substitute_and_fold): Increment it.  Use statistics_counter_event.
535
536 2008-05-15  Diego Novillo  <dnovillo@google.com>
537
538         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
539
540         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
541         * tree-ssa-alias.c (new_type_alias): Remove references to
542         sub-variables from comment.
543         * tree-ssa-operands.c (swap_tree_operands): Likewise.
544
545 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
546
547         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
548         attribute to 1 only for insertps alternative.
549
550 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
551
552         * config/bfin/bfin.md (loadbytes): New pattern.
553         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
554         (bfin_init_builtins): Initialize it.
555         (bdesc_1arg): Add it.
556
557 2008-05-15  Sa Liu  <saliu@de.ibm.com>
558
559         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
560         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
561         * testsuite/lib/target-supports.exp: Add
562         check_effective_target_fortran_integer_16.
563
564 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
565
566         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
567         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
568         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
569         (TARGET_RETURN_IN_MEMORY): Define.
570
571 2008-05-15  Richard Guenther  <rguenther@suse.de>
572
573         PR middle-end/36244
574         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
575         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
576         represent unmodifiable vars.
577
578 2008-05-15  Richard Guenther  <rguenther@suse.de>
579
580         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
581         INDIRECT_REF and TARGET_MEM_REF.
582         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
583         TARGET_MEM_REF.
584
585 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
586             H.J. Lu  <hongjiu.lu@intel.com>
587
588         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
589         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
590         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
591         insn alternatives.  Add missing alternatives.
592         (*vec_concatv2di_rex64_sse4_1): Likewise.
593         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
594         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
595         Require TARGET_SSE.
596
597 2008-05-15  Richard Guenther  <rguenther@suse.de>
598
599         PR tree-optimization/36009
600         PR tree-optimization/36204
601         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
602         (determine_invariantness_stmt): Record the loop a store is
603         always executed in.
604         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
605         dependency.
606
607 2008-05-15  Richard Guenther  <rguenther@suse.de>
608
609         PR tree-optimization/34330
610         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
611         through the pointer will alias the SMT.
612
613 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
614
615         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
616
617 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
618
619         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
620
621 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
622             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
623
624         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
625         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
626         (vashl_optab): New optab for vector/vector shifts.
627         (vashr_optab): Ditto.
628         (vlshr_optab): Ditto.
629         (vrotl_optab): Ditto.
630         (vrotr_optab): Ditto.
631         (optab_subtype): New enum for optab_for_tree_code call.
632         (optab_for_tree_code): Add enum optab_subtype argument.
633
634         * optabs.c (optab_for_tree_code): Take an additional argument to
635         distinguish between a vector shift by a scalar and vector shift by
636         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
637         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
638         vector shift by a vector.
639         (expand_widen_pattern_expr): Pass additional argument to
640         optab_for_tree_code.
641
642         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
643         vrotl_optab, vrotr_optab.
644
645         * expr.c (expand_expr_real_1): Update calls to
646         optab_for_tree_code to distinguish between vector shifted by a
647         scalar and vector shifted by a vector.
648         * tree-vectorizer.c (supportable_widening_operation): Ditto.
649         (supportable_narrowing_operation): Ditto.
650         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
651         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
652         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
653         (vect_create_epilog_for_reduction): Ditto.
654         (vectorizable_reduction): Ditto.
655         (vectorizable_operation): Ditto.
656         (vect_strided_store_supported): Ditto.
657         (vect_strided_load_supported): Ditto.
658         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
659         * expmed.c (expand_shift): Ditto.
660
661         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
662         scalar type.
663         (ashr@var{m}3): Ditto.
664         (vashl@var{m}3): Document new vector/vector shift standard name.
665         (vashr@var{m}3): Ditto.
666         (vlshr@var{m}3): Ditto.
667         (vrotl@var{m}3): Ditto.
668         (vrotr@var{m}3): Ditto.
669
670         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
671         (PPERM_INVERT): Ditto.
672         (PPERM_REVERSE): Ditto.
673         (PPERM_REV_INV): Ditto.
674         (PPERM_ZERO): Ditto.
675         (PPERM_ONES): Ditto.
676         (PPERM_SIGN): Ditto.
677         (PPERM_INV_SIGN): Ditto.
678         (PPERM_SRC1): Ditto.
679         (PPERM_SRC2): Ditto.
680
681         * config/i386/sse.md (mulv2di3): Add SSE5 support.
682         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
683         allows a memory operand to be the value being added, and split it
684         to improve vectorization.
685         (sse5_pmacsdqh_mem): Ditto.
686         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
687         (sse5_mulv2div2di3_high): Ditto.
688         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
689         (vec_pack_trunc_v4si): Ditto.
690         (vec_pack_trunc_v2di): Ditto.
691         (sse5_pcmov_<mode>): Remove code that tried to use use
692         andps/andnps instead of pcmov.
693         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
694         pmacsdqh instructions.
695         (vec_widen_smult_lo_v4si): Ditto.
696
697         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
698         (PPERM_INVERT): Ditto.
699         (PPERM_REVERSE): Ditto.
700         (PPERM_REV_INV): Ditto.
701         (PPERM_ZERO): Ditto.
702         (PPERM_ONES): Ditto.
703         (PPERM_SIGN): Ditto.
704         (PPERM_INV_SIGN): Ditto.
705         (PPERM_SRC1): Ditto.
706         (PPERM_SRC2): Ditto.
707         (ix86_expand_sse_movcc): Move the SSE5 test after the if
708         true/false tests.
709         (ix86_expand_int_vcond): If SSE5 generate all possible integer
710         comparisons.
711         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
712         says ignore whether the last reference is a memory operand.
713
714 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
715             Paolo Bonzini <bonzini at gnu dot org>
716
717         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
718         shift patterns.
719
720         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
721         (vlshr<mode>3): Rename from vlshr<mode>3.
722         (vashr<mode>3): Rename from vashr<mode>3.
723         (mulv4sf3): Change the names of vector shift patterns.
724         (mulv4si3): Ditto.
725         (negv4sf2): Ditt.
726
727         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
728         shift insns.
729
730         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
731         (SI_SHLHI): Ditto.
732         (SI_SHL): Ditto.
733         (SI_SHLI): Ditto.
734         (SI_ROTH): Ditto.
735         (SI_ROTHI): Ditto.
736         (SI_ROT): Ditto.
737         (SI_ROTI): Ditto.
738         (SPU_RL_0): Ditto.
739         (SPU_RL_1): Ditto.
740         (SPU_RL_2): Ditto.
741         (SPU_RL_3): Ditto.
742         (SPU_RL_4): Ditto.
743         (SPU_RL_5): Ditto.
744         (SPU_RL_6): Ditto.
745         (SPU_RL_7): Ditto.
746         (SPU_SL_0): Ditto.
747         (SPU_SL_1): Ditto.
748         (SPU_SL_2): Ditto.
749         (SPU_SL_3): Ditto.
750         (SPU_SL_4): Ditto.
751         (SPU_SL_5): Ditto.
752         (SPU_SL_6): Ditto.
753         (SPU_SL_7): Ditto.
754
755         * config/spu/spu.md (v): New iterator macro to add v for vector types.
756         (floatunssidf2_internal): Change vector/vector shift names.
757         (floatunsdidf2_internal): Ditto.
758         (mulv8hi3): Ditto.
759         (ashrdi3): Ditto.
760         (ashrti3): Ditto.
761         (cgt_df): Ditto.
762         (cgt_v2df): Ditto.
763         (dftsv): Ditto.
764         (vashl<mode>3): Rename from ashl<mode>3.
765         (vashr<mode>3): Rename from ashr<mode>3.
766         (vlshr<mode>3): Rename from lshr<mode>3.
767         (vrotl<mode>3): Rename from rotl<mode>3.
768
769 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
770
771         PR target/36224
772         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
773         multiply gives the wrong value when doing widening multiplies.
774         (vec_widen_smult_lo_v4si): Ditto.
775
776 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
777
778         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
779         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
780         emit_library_call_value. 
781         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
782         * tree.h (ECF_LIBCALL_BLOCK): Removed.
783         * calls.c (initialize_argument_information, precompute_arguments, 
784         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
785         (precompute_arguments): Removed flags parameter.
786         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
787         
788 2008-05-14  Richard Guenther  <rguenther@suse.de>
789
790         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
791         Make sure to register the store if the use is a PHI_NODE.
792
793 2008-05-14  Olivier Hainque  <hainque@adacore.com>
794
795         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
796         memory if the component is to be referenced in BLKmode according
797         to get_inner_reference.
798
799 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
800
801         * calls.c (emit_library_call_value_1): Restore code clearing
802         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
803
804 2008-05-14  Olivier Hainque  <hainque@adacore.com>
805             Nicolas Roche  <roche@adacore.com>
806
807         * configure.ac: Add support for a "gcc_subdir" variable in
808         config-lang.in, to denote a subdirectory where the language/GCC
809         integration files are to be found.
810         * configure: Regenerate.
811
812 2008-05-14  Ira Rosen  <irar@il.ibm.com>
813
814         PR tree-optimization/36098
815         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
816         value for the first load in the group in case of a gap.
817         (vect_build_slp_tree): Check that there are no gaps in loads.
818
819 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
820
821         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
822         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
823         expand_copysign_bit, ): Change call to emit_no_conflict_block to
824         emit_insn and remove unneeded code to construct extra args.
825         (emit_no_conflict_block): Removed.
826         * optabls.h: (emit_no_conflict_block): Removed.
827         * cse.c (cse_extended_basic_block): Remove search for
828         REG_NO_CONFLICT note.
829         * global.c: Removed incorrect comment added in revision 117.
830         * expr.c (convert_move): Change call to emit_no_conflict_block to
831         emit_insn.
832         * recog.c: Change comments so that they do not mention
833         REG_NO_CONFLICT.
834         * local_alloc.c (combine_regs): Removed last parameter.
835         (no_conflict_p): Removed.
836         (block_alloc): Removed note, no_conflict_combined_regno and set
837         local vars. Removed all code to process REG_NO_CONFLICT blocks.
838         (combine_regs): Removed already_dead and code to look for
839         REG_NO_CONFLICT notes.
840         * lower_subreg (remove_retval_note): Removed code to look for
841         REG_NO_CONFLICT block.
842         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
843         (resolve_clobber): Remove code to process libcalls that have
844         REG_NO_CONFLICT notes.
845         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
846         case.
847         * combine.c (can_combine_p, distribute_notes):  Removed
848         REG_NO_CONFLICT case.
849         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
850         to emit_insns.
851         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
852         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
853         Ditto.
854         * reg-notes.def (NO_CONFLICT): Removed.
855
856 2008-05-14  David S. Miller  <davem@davemloft.net>
857
858         * config/sparc/sparc.c (sparc_profile_hook): If
859         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
860         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
861         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
862
863 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
864
865         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
866
867 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
868
869         PR target/36222
870         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
871         and op1 expansion before vector concat to have less live pseudos.
872
873 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
874
875         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
876         ix86_expand_vector_set if supported.
877
878 2008-05-13  Diego Novillo  <dnovillo@google.com>
879             Kenneth Zadeck  <zadeck@naturalbridge.com>
880
881         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
882
883         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
884         phinodes_print_statistics, init_ssanames, fini_ssanames,
885         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
886         release_ssa_name, release_defs, replace_ssa_name_symbol,
887         ssanames_print_statistics): Move ...
888         * tree-flow.h: ... here.
889         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
890         Use FN instead of cfun.
891         (make_ssa_name_fn): Rename from make_ssa_name.
892         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
893         * tree-flow-inline.h (make_ssa_name): Move from
894         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
895         * omp-low.c (expand_omp_parallel):
896         * tree-flow-inline.h (redirect_edge_var_map_result):
897         * tree-ssa.c (init_tree_ssa): Add argument FN.
898         Use it instead of cfun.  Update all users.
899
900 2008-05-13  Tom Tromey  <tromey@redhat.com>
901
902         PR preprocessor/22168:
903         * doc/cpp.texi (Top): Update menu.
904         (Alternatives to Wrapper #ifndef): New node.
905         (Other Directives): Document deprecation.
906         (Obsolete Features): Remove menu.
907         (Assertions): Merge node into Obsolete Features.
908         (Obsolete once-only headers): Move earlier; rename to Alternatives
909         to Wrapper #ifndef.
910         * doc/cppopts.texi: Update.
911         * c.opt (Wdeprecated): Enable for C and ObjC.
912         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
913         (C++ Dialect Options): Move -Wno-deprecated from here to...
914         (Warning Options): ... here.
915
916 2008-05-13  Richard Guenther  <rguenther@suse.de>
917
918         PR middle-end/36227
919         * fold-const.c (fold_sign_changed_comparison): Do not allow
920         changes in pointer-ness.
921
922 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
923
924         PR target/24713
925         * config/sh/sh.c (sh_expand_prologue): Don't clear
926         RTX_FRAME_RELATED_P for push insns.
927
928 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
929
930         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
931
932 2008-05-12  Anatoly Sokolov <aesok@post.ru>
933
934         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
935         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
936         Use 'machine->is_leaf' instead of 'leaf_func_p'.
937
938 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
939
940         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
941         (*vec_concatv4sf_sse): This.
942         (*sse2_concatv2si): Renamed to ...
943         (*vec_concatv2si_sse2): This.
944         (*sse1_concatv2si): Renamed to ...
945         (*vec_concatv2si_sse): This.
946         (*vec_concatv2di_rex): Renamed to ...
947         (*vec_concatv2di_rex64): This.
948         (*vec_concatv2si_sse4_1): New.
949         (*vec_concatv2di_rex64_sse4_1): Likewise.
950
951 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
952
953         PR rtl-optimization/36111
954         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
955         that was created for swappable operands.
956
957 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
958
959         PR ada/36001
960         * Makefile.in: Substitute GNATMAKE and GNATBIND.
961         * configure.ac: Add call to ACX_PROG_GNAT.
962
963 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
964
965         * optc-gen.awk: Fix comment typo.
966
967 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
968
969         * pretty-print.c (pp_integer_with_precision): Use
970         HOST_LONG_LONG_FORMAT.
971
972 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
973
974         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
975                 
976 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
977
978         * config/i386/i386.c (bdesc_ptest): Removed.
979         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
980         (bdesc_args): Add __builtin_ia32_ptestz128,
981         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
982         (ix86_init_mmx_sse_builtins): Updated.
983         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
984         (ix86_expand_builtin): Updated.
985
986 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
987
988         * tree-cfg.c (valid_fixed_convert_types_p): New function.
989         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
990
991 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
992
993         * value-prof.c (interesting_stringop_to_profile): Do not
994         return early for BUILT_IN_MEMPCPY.
995
996 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
997
998         * calls.c (expand_call): Don't use callgraph to increase
999         preferred_stack_boundary.
1000
1001         * cgraph.h (cgraph_rtl_info): Use unsigned on
1002         preferred_incoming_stack_boundary.
1003
1004         * final.c (rest_of_clean_state): Use unsigned on
1005         preferred_stack_boundary.
1006
1007 2008-05-09  Tom Tromey  <tromey@redhat.com>
1008
1009         PR preprocessor/22231:
1010         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
1011         proceeding.
1012
1013 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
1014
1015         PR tree-optimization/36129
1016         * tree-ssa-ccp.c: Include value-prof.h.
1017         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
1018         built-in function was folded to a constant.
1019         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
1020
1021 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
1022             Sebastian Pop  <sebastian.pop@amd.com>
1023
1024         * tree-scalar-evolution.c: Document instantiate_scev.
1025         (instantiate_parameters_1): Renamed instantiate_scev_1.
1026         Don't use the same loop for instantiation_loop and evolution_loop.
1027         (instantiate_scev): New.
1028         (instantiate_parameters): Moved...
1029         (resolve_mixers): Update call to instantiate_scev_1 to pass the
1030         same loop twice.  Maintains the semantics for this function.
1031         * tree-scalar-evolution.h (instantiate_scev): Declare.
1032         (instantiate_parameters): ...here.  Now static inline.
1033         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
1034         instead of resolve_mixers.
1035
1036 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
1037
1038         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
1039
1040 2008-05-09  Tomas Bily  <tbily@suse.cz>
1041
1042         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
1043         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
1044         * tree-ssa-structalias.c (get_constraint_for): Likewise.
1045         * c-common.c (c_common_truthvalue_conversion): Likewise.
1046         * tree-object-size.c (compute_object_offset): Likewise.
1047         * tree-inline.c (estimate_num_insns_1): Likewise.
1048         * varasm.c (const_hash_1, compare_constant, copy_constant)
1049         (compute_reloc_for_constant, output_addressed_constants)
1050         (initializer_constant_valid_p): Likewise.
1051         * c-omp.c (check_omp_for_incr_expr): Likewise.
1052         * gimplify.c (gimplify_expr): Likewise.
1053         * c-typeck.c (c_finish_return): Likewise.
1054         * tree-vectorizer.c (supportable_widening_operation)
1055         (supportable_narrowing_operation): Likewise.
1056         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
1057         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
1058         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
1059         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
1060         (descr_info_loc): Likewise.
1061         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
1062         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
1063         (fold_unary): Likewise.
1064         * builtins.c (get_pointer_alignment): Likewise.
1065         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
1066         (instantiate_parameters_1): Likewise.
1067         * tree.c (expr_align, stabilize_reference): Likewise.
1068         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1069         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
1070         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
1071         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
1072         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
1073         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
1074         Likewise.
1075         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
1076         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
1077         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
1078         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
1079         (forward_propagate_comparison)
1080         (tree_ssa_forward_propagate_single_use_vars): Likewise.
1081         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
1082         * emit-rtl.c (component_ref_for_mem_expr)
1083         (set_mem_attributes_minus_bitpos): Likewise.
1084         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
1085         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
1086         Likewise.
1087         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
1088         (build_function_call, pointer_diff, build_compound_expr)
1089         (c_finish_return): Likewise.
1090         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
1091         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
1092         Likewise.
1093         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
1094         * expr.c (is_aligning_offset): Likewise.
1095         * tree-ssa-alias.c (is_escape_site): Likewise.
1096         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
1097         (check_all_va_list_escapes): Likewise.
1098         * tree-ssa-loop-ivopts.c (determine_base_object)
1099         (determine_common_wider_type): Likewise.
1100         * dojump.c (do_jump): Likewise.
1101         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
1102         * tree-gimple.c (is_gimple_cast): Likewise.
1103         * fold-const.c (decode_field_reference, )
1104         (fold_sign_changed_comparison, fold_unary, fold_comparison)
1105         (fold_binary): Likewise.
1106         * tree-ssa-alias-warnings.c (find_alias_site_helper)
1107         (already_warned_in_frontend_p): Likewise.
1108         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
1109         * tree.c (really_constant_p, get_unwidened): Likewise.
1110         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
1111         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
1112         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
1113         Likewise.
1114         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
1115         CONVERT_EXPR_P.
1116         (CONVERT_EXPR_P): Define.
1117         (CASE_CONVERT): Define.
1118         
1119 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
1120
1121         PR middle-end/36117
1122         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
1123         (delete_unmarked_insns): When deleting a call, call
1124         delete_unreachable_blocks.
1125         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
1126         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
1127
1128 2008-05-08  Richard Guenther  <rguenther@suse.de>
1129
1130         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
1131         (-ftree-salias): Likewise.
1132         (salias-max-implicit-fields): Remove param documentation.
1133         (salias-max-array-elements): Likewise.
1134         * tree-pass.h (pass_create_structure_vars): Remove.
1135         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
1136         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
1137         * tree-ssa-alias.c (create_structure_vars): Remove.
1138         (gate_structure_vars): Likewise.
1139         (pass_create_structure_vars): Likewise.
1140         (gate_build_alias): Likewise.
1141         (pass_build_alias): Adjust to run always and dump the function.
1142         * common.opt (ftree-salias): Hide.
1143         * passes.c (init_optimization_passes): Remove
1144         pass_create_structure_vars, adjust comment.
1145         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
1146         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
1147         * opts.c (decode_options): Do not set flag_tree_salias.
1148         (common_handle_option): Add OPT_ftree_salias to the backward
1149         compatibility section.
1150
1151 2008-05-08  Richard Guenther  <rguenther@suse.de>
1152
1153         * tree-flow-inline.h (var_can_have_subvars): Move ...
1154         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
1155         * tree-flow.h (var_can_have_subvars): Remove.
1156         (push_fields_onto_fieldstack): Remove.
1157         (sort_fieldstack): Likewise.
1158         (struct fieldoff): Move ...
1159         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
1160         alias_set and base_for_components fields.
1161         (sort_fieldstack): Make static.
1162         (push_fields_onto_fieldstack): Likewise.  Remove code that
1163         handles anything but RECORD_TYPEs.  Remove alias_set and
1164         base_for_components handling.
1165         (create_variable_info_for): Adjust.
1166
1167 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
1168
1169         * common.opt (Wframe-larger-than=): Shorten the help message
1170         to one line.
1171         * doc/invoke.texi (Wframe-larger-than=): Add more description.
1172
1173 2008-05-08  Rafael Espindola  <espindola@google.com>
1174
1175         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
1176         trap.
1177         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
1178         trap and that both operands are gimple values.
1179         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
1180         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
1181         is a fp operation.
1182
1183 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1184
1185         * read-rtl.c (join_c_conditions): Return the first string if the
1186         two strings are equal.
1187
1188 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1189
1190         * gensupport.h (pred_data): Add a "num_codes" field.
1191         (add_predicate_code): Declare.
1192         * gensupport.c (add_predicate_code): New function.
1193         (std_pred_table): Add an "allows_const_p" field.
1194         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
1195         Remove the (incomplete) list of such codes from the codes field.
1196         (init_predicate_table): Use add_predicate_code.  Add all
1197         RTX_CONST_OBJs if allows_const_p is true.
1198         * genrecog.c (process_define_predicate): Use add_predicate_code.
1199
1200 2008-05-08  David Daney  <ddaney@avtrex.com>
1201             Richard Sandiford  <rsandifo@nildram.co.uk>
1202         
1203         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
1204         special case of constant zero operands.
1205         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
1206         old and new values.  Special case constant zero values.
1207         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
1208         fails.
1209         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
1210         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
1211
1212 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
1213
1214         PR target/36090
1215         * simplify-rtx.c (simplify_plus_minus): Create CONST of
1216         similar RTX_CONST_OBJ before CONST_INT.
1217
1218 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
1219
1220         * stmt.c (expand_stack_restore): Change sa mode if needed.
1221
1222 2008-05-08  Richard Guenther  <rguenther@suse.de>
1223
1224         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
1225         return type to bool.
1226         (ix86_sol10_return_in_memory): Likewise.
1227         (ix86_i386elf_return_in_memory): Likewise.
1228         (ix86_i386interix_return_in_memory): Likewise.
1229         * config/i386/i386.c (ix86_return_in_memory): Likewise.
1230         (ix86_sol10_return_in_memory): Likewise.
1231         (ix86_i386elf_return_in_memory): Likewise.
1232         (ix86_i386interix_return_in_memory): Likewise.
1233
1234 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
1235
1236         PR bootstrap/36180
1237         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
1238         fndecl argument.
1239         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
1240         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
1241         declared in front.
1242
1243 2008-05-08  Richard Guenther  <rguenther@suse.de>
1244
1245         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
1246         * tree-data-ref.h (struct dr_alias): Remove subvars field.
1247         (DR_SUBVARS): Remove.
1248         * tree-dfa.c (dump_subvars_for): Remove.
1249         (debug_subvars_for): Likewise.
1250         (dump_variable): Do not dump subvars.
1251         (remove_referenced_var): Do not remove subvars.
1252         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
1253         (lookup_subvars_for_var): Remove.
1254         (get_subvars_for_var): Likewise.
1255         (get_subvars_at): Likewise.
1256         (get_first_overlapping_subvar): Likewise.
1257         (overlap_subvar): Likewise.
1258         * tree-flow.h (subvar_t): Remove.
1259         (struct var_ann_d): Remove subvars field.
1260         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
1261         argument.  Remove special handling of SFTs.
1262         (compute_tag_properties): Likewise.
1263         (set_initial_properties): Likewise.
1264         (compute_call_clobbered): Likewise.
1265         (count_mem_refs): Likewise.
1266         (compute_memory_partitions): Likewise.
1267         (compute_flow_insensitive_aliasing): Likewise.
1268         (setup_pointers_and_addressables): Likewise.
1269         (new_type_alias): Likewise.
1270         (struct used_part): Remove.
1271         (used_portions): Likewise.
1272         (struct used_part_map): Likewise.
1273         (used_part_map_eq): Likewise.
1274         (used_part_map_hash): Likewise.
1275         (free_used_part_map): Likewise.
1276         (up_lookup): Likewise.
1277         (up_insert): Likewise.
1278         (get_or_create_used_part_for): Likewise.
1279         (create_sft): Likewise.
1280         (create_overlap_variables_for): Likewise.
1281         (find_used_portions): Likewise.
1282         (create_structure_vars): Likewise.
1283         * tree.def (STRUCT_FIELD_TAG): Remove.
1284         * tree.h (MTAG_P): Adjust.
1285         (struct tree_memory_tag): Remove base_for_components and
1286         unpartitionable flags.
1287         (struct tree_struct_field_tag): Remove.
1288         (SFT_PARENT_VAR): Likewise.
1289         (SFT_OFFSET): Likewise.
1290         (SFT_SIZE): Likewise.
1291         (SFT_NONADDRESSABLE_P): Likewise.
1292         (SFT_ALIAS_SET): Likewise.
1293         (SFT_UNPARTITIONABLE_P): Likewise.
1294         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
1295         (union tree_node): Remove sft field.
1296         * alias.c (get_alias_set): Remove special handling of SFTs.
1297         * print-tree.c (print_node): Remove handling of SFTs.
1298         * tree-dump.c (dequeue_and_dump): Likewise.
1299         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
1300         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
1301         * tree-predcom.c (set_alias_info): Do not set subvars.
1302         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
1303         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
1304         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
1305         (add_vars_for_offset): Remove.
1306         (add_virtual_operand): Remove special handling of SFTs.
1307         (add_call_clobber_ops): Likewise.
1308         (add_call_read_ops): Likewise.
1309         (get_asm_expr_operands): Likewise.
1310         (get_modify_stmt_operands): Likewise.
1311         (get_expr_operands): Likewise.
1312         (add_to_addressable_set): Likewise.
1313         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
1314         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
1315         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
1316         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
1317         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
1318         (tree_node_structure): Likewise.
1319         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
1320         handling of SFTs.
1321         (find_what_p_points_to): Likewise.
1322
1323 2008-05-08  Sa Liu  <saliu@de.ibm.com>
1324
1325         * config/spu/spu.md: Fixed subti3 pattern.
1326
1327 2008-05-08  Richard Guenther  <rguenther@suse.de>
1328
1329         PR middle-end/36154
1330         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
1331         sure to create a representative for trailing arrays for PTA.
1332
1333 2008-05-08  Richard Guenther  <rguenther@suse.de>
1334
1335         PR middle-end/36172
1336         * fold-const.c (operand_equal_p): Two objects which types
1337         differ in pointerness are not equal.
1338
1339 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
1340
1341         * calls.c (compute_argument_block_size): Add argument tree fndecl.
1342         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
1343         (emit_library_call_value_1): Add new variable fndecl initialized by
1344         NULL_TREE. It should be the decl type of orgfun, but this information
1345         seems not to be available here, so it uses the default calling abi.
1346         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
1347         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
1348         by TARGET_RETURN_IN_MEMORY.
1349         * config/i386/i386-interix.h: Likewise.
1350         * config/i386/i386.h: Likewise.
1351         * config/i386/i386elf.h: Likewise.
1352         * config/i386/ptx4-i.h: Likewise.
1353         * config/i386/sol2-10.h: Likewise.
1354         * config/i386/sysv4.h: Likewise.
1355         * config/i386/vx-common.h: Likewise.
1356         * config/cris/cris.h: Removed #if 0 clause.
1357         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
1358         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
1359         argument.
1360         (ix86_sol10_return_in_memory): Likewise.
1361         (ix86_i386elf_return_in_memory): New.
1362         (ix86_i386interix_return_in_memory): New.
1363         * config/mt/mt-protos.h (mt_return_in_memory): New.
1364         * config/mt/mt.c: Likewise.
1365         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
1366         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
1367         * config/bfin/bfin.h: Likewise.
1368         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
1369         argument.
1370         * config/bfin/bfin.c: Likewise.
1371         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
1372         * config/alpha/unicosmk.h: Likewise.
1373         * config/i386/cygming.h: Likewise.
1374         * config/iq2000/iq2000.h: Likewise.
1375         * config/mips/mips.h: Likewise.
1376         * config/mn10300/mn10300.h: Likewise.
1377         * config/rs6000/rs6000.h: Likewise.
1378         * config/score/score.h: Likewise.
1379         * config/spu/spu.h: Likewise.
1380         * config/v850/v850.h: Likewise.
1381         * defaults.h: Likewise.
1382         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
1383         * expr.c (emit_block_move): Adjust use of
1384         OUTGOING_REG_PARM_STACK_SPACE.
1385         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
1386         OUTGOING_REG_PARM_STACK_SPACE.
1387         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
1388
1389 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
1390
1391         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
1392         on OMP_RETURN for OMP_FOR.
1393
1394         PR debug/35896
1395         * dwarf2out.c (dw_expand_expr, common_check): Removed.
1396         (fortran_common): New function.
1397         (gen_variable_die): Call fortran_common instead of common_check,
1398         adjust for it returning tree instead of rtx.  Formatting.
1399
1400 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
1401
1402         PR rtl/7335
1403         PR rtl/33826
1404         * see.c (see_copy_insn): Copy new pure const attributes for new call.
1405         * c-decl.c (merge_decls): Ditto.
1406         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
1407         to RTL_CONST_OR_PURE_CALL_P.
1408         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
1409         Initialized DECL_LOOPING_CONST_PURE.
1410         (process_call_operands): Set tree_side_effects properly.
1411         * tree.h (TREE_READONLY_DECL_P): Removed.
1412         (DECL_IS_PURE): Renamed to DECL_PURE_P.
1413         (DECL_LOOPING_OR_CONST_P): New macro.
1414         (struct tree_function_decl): Added looping_const_or_pure_p.
1415         (ECF_*) Renumbered.
1416         (ECF_LOOPING_OR_CONST_P): New macro.
1417         * rtlanal.c (pure_const_p): Removed.
1418         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
1419         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
1420         to RTL_CONST_CALL_P.
1421         * ipa-pure-const.c (pure_const_state_e): Added looping field.
1422         (check_decl, check_tree, check_call, scan_function): Initialize
1423         looping.
1424         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
1425         (static_execute): Set looping true for recursive functions.
1426         Undo setting state to IPA_NEITHER for recursive functions.
1427         * cse.c (cse_insn): 
1428         * ifcvt.c (noce_can_store_speculate_p): Changed
1429         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or 
1430         RTL_CONST_OR_PURE_CALL_P.
1431         * dse.c (scan_insn): Ditto.
1432         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
1433         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
1434         RTL_CONST_OR_PURE_CALL_P.
1435         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
1436         pure_call_p to RTL_CONST_CALL_P.
1437         * gimplify.c (gimplify_call_expr): Clear side effects for
1438         non-looping pure and constant calls.
1439         * calls.c (emit_call_1): Set rtl flags from ecf flags.
1440         (flags_from_decl_or_type): Set ecf flags from decl flags.
1441         (initialize_argument_information): Turn off
1442         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
1443         Change const to pure if callee_copies is true rather than just
1444         turning off const.
1445         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
1446         way of marking pure calls.
1447         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
1448         Remove hack that was supposed to fix pr7335 and remove old
1449         way of marking pure calls.
1450         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
1451         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
1452         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
1453         RTL_CONST_OR_PURE_CALL_P.
1454         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
1455         * loop-invariant.c (find_exits, find_invariant_bb): Changed
1456         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
1457         * sched-deps.c (schedule_analyze): Ditto.
1458         * rtl.h (struct rtx_def): Use call field, unchanging field, and
1459         return_val field of calls to represent pure and const function info.
1460         (CONST_OR_PURE_CALL_P): Deleted macro.
1461         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
1462         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
1463         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
1464         TREE_READONLY.
1465         * tree-optimize.c (execute_fixup_cfg): Added test for
1466         ECF_LOOPING_CONST_OR_PURE.
1467         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
1468         DECL_PURE_P.
1469         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
1470         effects for looping pure or const calls.
1471         (verify_gimple_expr): Added verification code. 
1472         * config/alpha/alpha.c (alpha_legitimize_address,
1473         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
1474         RTL_CONST_CALL_P.
1475         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
1476         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
1477         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
1478         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
1479         RTL_CONST_OR_PURE_CALL_P.
1480         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
1481         and const calls to be deleted.
1482
1483 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
1484
1485         PR target/35714
1486         * config/i386/mmx.md (mmx_subv2sf3): New expander.
1487         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
1488         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
1489         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1490         to handle nonimmediate operands.
1491         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
1492         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
1493         to handle nonimmediate operands.
1494         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
1495         (mmx_pmulhrwv4hi3): New expander.  Use
1496         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1497         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
1498         (sse2_umulv1siv1di3): New expander.  Use
1499         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1500         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
1501         (mmx_eq<mode>3): New expander.  Use
1502         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1503         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
1504         (mmx_uavgv8qi3): New expander.  Use
1505         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1506         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
1507         (mmx_uavgv4hi3): New expander.  Use
1508         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1509
1510         * config/i386/sse.md
1511         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
1512         to handle nonimmediate operands.
1513         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
1514         to handle nonimmediate operands.
1515         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
1516         to handle nonimmediate operands.
1517         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
1518         to handle nonimmediate operands.
1519         (sse2_unpckhpd_exp): New expander.  Use
1520         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1521         (sse2_unpcklpd_exp): New expander.  Use
1522         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1523         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
1524         to handle nonimmediate operands.
1525         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
1526         to handle nonimmediate operands.
1527         (*sse2_<plusminus_insn><mode>3): Rename from
1528         sse2_<plusminus_insn><mode>3 insn pattern.
1529         (sse2_<plusminus_insn><mode>3): New expander.  Use
1530         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1531         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
1532         (sse2_umulv2siv2di3): New expander.  Use
1533         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1534         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
1535         (sse4_1_mulv2siv2di3): New expander.  Use
1536         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1537         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
1538         (sse2_pmaddwd): New expander.  Use
1539         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1540         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
1541         (sse2_eq<mode>3): New expander.  Use
1542         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1543         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
1544         (sse4_1_eqv2di3): New expander.  Use
1545         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1546         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
1547         (sse2_uavgv16qi3): New expander.  Use
1548         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1549         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
1550         (sse2_uavgv16qi3): New expander.  Use
1551         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1552         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
1553         (sse2_uavgv8hi3): New expander.  Use
1554         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1555         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
1556         (ssse3_pmulhrswv8hi3): New expander.  Use
1557         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1558         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
1559         (ssse3_pmulhrswv4hi3): New expander.  Use
1560         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1561
1562         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
1563         (<sse>_vmmul<mode>3): Ditto.
1564         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
1565         (divv2df3): Ditto.
1566         (ssse3_pmaddubsw128): Use register_operand for operand 1.
1567         (ssse3_pmaddubsw): Ditto.
1568
1569         * config/i386/i386.c (struct_builtin_description)
1570         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
1571         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
1572         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
1573         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
1574         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
1575         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
1576         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
1577         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
1578         (ix86_fixup_binary_operands): Assert that src1
1579         and src2 must have the same mode when swapped.
1580         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
1581         and ix86_binary_operator_ok.  Do not force operands in registers
1582         when optimizing.
1583
1584 2008-05-07  Jan Hubicka  <jh@suse.cz>
1585
1586         * cgraph.c (dump_cgraph_node): Update.
1587         * cgraph.h (cgraph_local_info): Break out inline summary.
1588         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
1589         hook.
1590         * ipa-inline (inline_summary): New accestor function.
1591         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
1592         cgraph_decide_inlining, compute_inline_parameters): Update.
1593         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
1594
1595 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
1596
1597         Cleanup ColdFire scheduling support and add V4 pipeline model.
1598
1599         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
1600         (define_attr cpu): Add cfv4 value.
1601         (define_attr type, define_attr type1): Merge into a single 'type'
1602         attribute.  Update all uses.
1603         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
1604         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
1605         Update all uses.
1606         (define_attr opx_mem, define_attr opy_mem): Remove.
1607         (define_attr op_mem): Clean up, update comment.
1608         (define_attr size): Use specific values instead of general int.
1609         (define_attr guess, define_attr split): Remove.  Update all uses.
1610         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
1611         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
1612         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
1613         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
1614         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
1615         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
1616         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
1617         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
1618         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
1619         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
1620         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
1621         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
1622         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
1623         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
1624         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
1625         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
1626         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
1627         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
1628         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
1629         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
1630         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
1631         Update or set attributes.
1632         (stack_tie): New fake instruction.
1633
1634         * config/m68k/m68k.h (TUNE_CFV4): New macro.
1635         (m68k_sched_attr_size): Update declaration.
1636         (m68k_sched_attr_type2): Remove.
1637         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
1638         Declare new bypass predicates.
1639
1640         * config/m68k/m68k.c (m68k_sched_issue_rate,
1641         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
1642         implementations.
1643         (TARGET_SCHED_ISSUE_RATE,
1644         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
1645         (override_options): Handle scheduling for ColdFire V4 core.
1646         (m68k_expand_prologue): Emit stack_tie.
1647         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
1648         'OP_TYPE_FPN'.  Update all uses.
1649         (sched_guess_p): Remove.
1650         (sched_address_type): Handle symbolic addresses.
1651         (sched_get_operand): New static function.
1652         (sched_operand_type): Merge into sched_attr_op_type.
1653         (sched_attr_op_type): Handle FP registers, handle quick constants,
1654         update.
1655         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
1656         (m68k_sched_attr_size): Update.  Move logic to ...
1657         (sched_get_attr_size_int): New static function.
1658         (sched_get_opxy_mem_type): New static function.
1659         (m68k_sched_attr_op_mem): Update.
1660         (m68k_sched_attr_type2): Remove.
1661         (sched_cfv4_bypass_data): New static variable.
1662         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
1663         (m68k_sched_issue_rate): Implement scheduler hook.
1664         (struct _sched_ib: enabled_p): New field.
1665         (m68k_sched_variable_issue): Update.  Handle V4.
1666         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
1667         sched_dump_class_func_t, sched_dump_split_class,
1668         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
1669         sched_dump_dfa_class, m68k_sched_dump): Remove.
1670         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
1671         hook.
1672         (m68k_sched_init_global): Remove statisctics dumping, introduce
1673         sanity check that all instructions have pipeline reservations.  Handle
1674         ColdFire V4 core.
1675         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
1676         Handle ColdFire V4 core.
1677         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
1678         New static functions.
1679         (m68k_sched_address_bypass_p): New bypass predicate.
1680         (sched_get_indexed_address_scale): New static function.
1681         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
1682
1683         * cf.md: Update comments.
1684         (define_attr type2): Remove.  Use 'type' attribute instead.
1685         Update all uses.
1686         (cf_ib): Rename to cfv123_ib.  Update all uses.
1687         (cf_oep): Rename to cfv123_oep.  Update all uses.
1688         (cf_chr): Rename to cfv123_chr.  Update all uses.
1689         (cf_mem): Rename to cfv123_mem.  Update all uses.
1690         (cf_mac): Move to more appropriate place.
1691         (cfv123_guess): New automaton and cpu_unit.
1692         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
1693         Update uses of 'size' attribute.  Handle before reload scheduling.
1694         (cfv123_guess): New dummy reservation for unhandled instructions.
1695         (cfv4_*): Pipeline description of ColdFire V4 core.
1696         (ignore): New reservation to handle 'ignore' type.
1697
1698 2008-05-07  Ian Lance Taylor  <iant@google.com>
1699
1700         PR middle-end/36013
1701         * gimplify.c (find_single_pointer_decl_1): Don't look through
1702         indirections.
1703         (find_single_pointer_decl): Adjust comments.
1704
1705 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
1706
1707         PR middle-end/36137
1708         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
1709         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
1710
1711         PR middle-end/36106
1712         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
1713         integral type rather than floating point, then VIEW_CONVERT_EXPR
1714         to the floating point type.
1715
1716 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
1717
1718         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
1719         TFmode op0 to register.
1720
1721 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
1722
1723         * c-decl.c (grokdeclarator): Comment typo.
1724
1725 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
1726
1727         * tree-flow.h: Remove prototype for computed_goto_p.
1728         * tree-cfg.c (computed_goto_p): Make static.
1729
1730 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1731
1732         PR target/35657
1733         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
1734         (contains_aligned_value_p): This.  Handle _Decimal128.
1735         (ix86_function_arg_boundary): Only align _Decimal128 to its
1736         natural boundary and handle it properly.
1737
1738 2008-05-06  Martin Jambor  <mjambor@suse.cz>
1739
1740         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
1741         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
1742         (ipcp_method_set_orig_node): Removed.
1743         (ipcp_cval_get_cvalue_type): Removed.
1744         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
1745         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
1746         (ipcp_cval_set_cvalue_type): Removed.
1747         (ipcp_cval_get_cvalue): Removed.
1748         (ipcp_cval_set_cvalue): Removed.
1749         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
1750         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
1751         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
1752         (ipcp_cval_meet): Renamed to ipa_lattice_meet
1753         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
1754         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
1755         (ipcp_get_ith_lattice): Changed parameters.
1756         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
1757         (ipcp_lattice_from_jfunc): Changed parameters.
1758         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
1759         (ipcp_method_cval_print): Added temporary variable info.
1760         (ipcp_redirect): Removed already unused local variable caller.
1761         (ipcp_redirect): New temporary variable orig_callee_info
1762         (ipcp_redirect): Removed newly unused local variable callee.
1763         (ipcp_redirect): Removed (a bit confusing) local variable type.
1764         (ipcp_insert_stage): Added local variable info.
1765         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters 
1766         renamed too
1767         (ipcp_formal_create): Removed.
1768         (ipcp_method_cval_set): Removed.
1769         (ipcp_propagate_stage): Renamed lattice variables.
1770         (ipcp_method_cval_set_cvalue_type): Removed.
1771         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
1772         (ipcp_print_all_lattices): Changed printed strings to refer to 
1773         lattices rather than cvals.
1774         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
1775         (ipcp_propagate_const): Changed formal parameters.
1776         (build_const_val): Changed formal parameters.
1777         (ipcp_insert_stage): Removed useless variable cvalue
1778         (build_const_val): Changed formal parameters.
1779         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
1780         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
1781         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
1782         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
1783         (ipcp_print_func_profile_counts): Changed string from "method" to 
1784         "function"
1785         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
1786         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
1787         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
1788         (ipcp_structures_print): Renamed to ipcp_print_all_structures
1789         (ipcp_profile_print): Renamed to ipcp_print_profile_data
1790         (ipcp_lat_is_const): Changed parameters and made inline.
1791         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
1792         (ipcp_redirect): Renamed to ipcp_need_redirect_p
1793         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using 
1794         the predicate condition directly
1795         (ipcp_propagate_stage): Added local variable args. Removed local
1796         variable callee.  (Both are mere code simplifications.)
1797         (ipcp_method_dont_insert_const): Renamed to
1798         ipcp_node_not_modifiable_p.
1799         (ipcp_node_not_modifiable_p): Made inline.
1800         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
1801         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
1802         (ipcp_print_all_lattices): Removed variable cvalue
1803         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
1804         Updated comments.
1805
1806 2008-05-06  Olivier Hainque  <hainque@adacore.com>
1807
1808         * tree-sra.c (try_instantiate_multiple_fields): Early return
1809         if field has POINTER_TYPE.
1810
1811 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
1812
1813         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
1814         by using 'q' specifier for instruction.
1815         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
1816
1817 2008-05-06  Anatoly Sokolov <aesok@post.ru>
1818
1819         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
1820         Change mode of zero_extract from QImode to HImode.
1821         (sign bit tests peepholes): (Ditto.).
1822
1823 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
1824
1825         * config/i386/mmx.md: Remove double backslashes from asm templates.
1826         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
1827         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1828         to handle nonimmediate operands.
1829         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
1830         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1831         to handle nonimmediate operands.
1832         (*mmx_<code>v2sf3_finite): New insn pattern.
1833         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
1834         (mmx_<code>v2sf3): New expander.  Use
1835         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1836         (mmx_<plusminus_insn><mode>3): New expander.  Use
1837         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1838         (*mmx_<plusminus_insn><mode>3): New insn pattern.
1839         (mmx_add<mode>3): Removed.
1840         (mmx_ssadd<mode>3): Ditto.
1841         (mmx_usadd<mode>3): Ditto.
1842         (mmx_sub<mode>3): Ditto.
1843         (mmx_sssub<mode>3): Ditto.
1844         (mmx_ussub<mode>3): Ditto.
1845         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
1846         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
1847         to handle nonimmediate operands.
1848         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
1849         insn pattern.
1850         (mmx_smulv4hi3_highpart): New expander.  Use
1851         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1852         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
1853         insn pattern.
1854         (mmx_umulv4hi3_highpart): New expander.  Use
1855         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1856         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
1857         (mmx_<code>v4hi3): New expander.  Use
1858         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1859         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
1860         (mmx_<code>v8qi3): New expander.  Use
1861         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1862         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
1863         (mmx_<code><mode>3): New expander.  Use
1864         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1865
1866 2008-05-05  Jan Hubicka  <jh@suse.cz>
1867
1868         PR tree-optimization/36118
1869         * passes.c (pass_init_dump_file): Fix dump header.
1870
1871 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1872
1873         PR middle-end/36141
1874         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
1875         VCE for function decls.
1876
1877 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
1878
1879         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
1880
1881 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
1882
1883         * config/i386/i386.md (sat_plusminus): New.
1884         (plusminus_insn): Likewise.
1885         (plusminus_mnemonic): Likewise.
1886         (addsub): Removed.
1887         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
1888         (*<addsub><mode>3_cc_overflow): Renamed to ...
1889         (*<plusminus_insn><mode>3_cc_overflow): This.
1890         (*<addsub>si3_zext_cc_overflow): Renamed to ...
1891         (*<plusminus_insn>si3_zext_cc_overflow): This.
1892
1893         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
1894         (<plusminus_insn><mode>3): This.
1895         (*<addsub><mode>3): Renamed to ...
1896         (*<plusminus_insn><mode>3): This.
1897         (<sse>_vm<addsub><mode>3): Renamed to ...
1898         (<sse>_vm<plusminus_insn><mode>3): This.
1899         (sse3_h<addsub>v4sf3): Renamed to ...
1900         (sse3_h<plusminus_insn>v4sf3): This.
1901         (sse3_h<addsub>v2df3): Renamed to ...
1902         (sse3_h<plusminus_insn>v2df3): This.
1903         (<plusminus_insn><mode>3): New.
1904         (*<plusminus_insn><mode>3): Likewise.
1905         (sse2_<plusminus_insn><mode>3): Likewise.
1906         (add<mode>): Removed.
1907         (*add<mode>3): Likewise.
1908         (sse2_ssadd<mode>3): Likewise.
1909         (sse2_usadd<mode>3): Likewise.
1910         (sub<mode>3): Likewise.
1911         (*sub<mode>3): Likewise.
1912         (sse2_sssub<mode>3): Likewise.
1913         (sse2_ussub<mode>3): Likewise.
1914
1915 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
1916
1917         * gthr-single.h: Add in required interface elements as per gthr.h.
1918         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
1919         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
1920         Generalize UNUSED macro. 
1921         (__gthread_once): Add.
1922         (__gthread_key_create): Add.
1923         (__gthread_key_delete): Add.
1924         (__gthread_getspecific): Add.
1925         (__gthread_setspecific): Add.
1926         
1927 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
1928
1929         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
1930         the same size types for the indirect reference on the rhs, then
1931         create a VCE.
1932
1933 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
1934
1935         * config/i386/i386.md
1936         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
1937         one insn template instead of template series.
1938         (*xordi_1_rex64): Ditto.
1939         (*xordi_2_rex64): Ditto.
1940
1941 2008-05-05  Ira Rosen  <irar@il.ibm.com>
1942
1943         PR tree-optimization/36119
1944         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
1945         in case of SLP.
1946
1947 2008-06-04  Jan Hubicka  <jh@suse.cz>
1948
1949         tree-optimization/36100
1950         * tree-pass.h (pass_O0_always_inline): Declare.
1951         * ipa-inline.c (inline_transform): Remove dead code.
1952         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
1953         pass_O0_always_inline): New.
1954         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
1955
1956 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
1957
1958         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
1959         mnemonic in this_param move for TARGET_64BIT.
1960
1961 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
1962
1963         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
1964         (*strmovsi_rex_1): Ditto.
1965         (*strsetsi_1): Ditto.
1966         (*strsetsi_rex_1): Ditto.
1967
1968         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
1969         adddicc expanders using SWI mode iterator.
1970
1971 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1972
1973         PR target/36121
1974         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
1975         argument handling.
1976
1977 2008-05-04  David S. Miller  <davem@davemloft.net>
1978
1979         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
1980         (sparc*-*-linux*): Use linux.h in tm_file.
1981         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
1982         compiler defaulting to 32-bit.
1983         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
1984         no longer needed.
1985         * config/sparc/linux.h: Remove definitions now obtained
1986         properly from linux.h
1987         * config/sparc/linux64.h: Likewise.
1988         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
1989         don't want this setting for 32-bit builds in a biarch compiler.
1990         * doc/install.texi: Add sparc-linux to list of targets
1991         supporting --enable-targets=all.
1992
1993 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
1994
1995         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
1996
1997 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
1998
1999         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
2000         after V4SI_FTYPE_V8HI.
2001         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
2002         case V4SI_FTYPE_V2DF.
2003
2004 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
2005
2006         * doc/invoke.texi (max-flow-memory-locations): Removed.
2007         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
2008         
2009 2008-05-03  Richard Guenther  <rguenther@suse.de>
2010
2011         PR middle-end/34973
2012         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
2013
2014 2008-05-02  David S. Miller  <davem@davemloft.net>
2015
2016         * config.gcc (need_64bit_hwint): Document libcpp dependency.
2017
2018 2008-05-02  Simon Baldwin <simonb@google.com>
2019
2020         PR bootstrap/36108
2021         * c-common.h (warn_array_subscript_range): Removed.
2022         * c-common.c (warn_array_subscript_range): Ditto.
2023         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
2024         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
2025
2026 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
2027
2028         * config/i386/i386.c (ix86_special_builtin_type): New.
2029         (bdesc_special_args): Likewise.
2030         (ix86_expand_special_args_builtin): Likewise.
2031         (ix86_init_mmx_sse_builtins): Updated.
2032         (ix86_expand_builtin): Updated.
2033         (ix86_expand_store_builtin): Removed.
2034         (ix86_expand_unop_builtin): Likewise.
2035
2036         * config/i386/mm3dnow.h (__v2sf): Moved to ...
2037         * config/i386/mmintrin.h (__v2sf): Here.
2038
2039         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
2040         const __v2sf.
2041         (_mm_loadl_pi): Likewise.
2042         (_mm_storeh_pi): Replace __v2si with __v2sf.
2043         (_mm_storel_pi): Likewise.
2044
2045         * doc/extend.texi: Correct __builtin_ia32_loadhps,
2046         __builtin_ia32_loadlps, __builtin_ia32_storehps,
2047         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
2048         __builtin_ia32_loadlpd.
2049
2050 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
2051
2052         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
2053         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
2054         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
2055         (ix86_init_mmx_sse_builtins): Updated.
2056         (ix86_expand_args_builtin): Likewise.
2057         (ix86_expand_builtin): Likewise.
2058         (ix86_expand_unop1_builtin): Renamed to ...
2059         (ix86_expand_unop_vec_merge_builtin): This.
2060
2061 2008-05-01  Jan Hubicka  <jh@suse.cz>
2062
2063         PR bootstrap/36100
2064         * ipa-inline.c (inline_generate_summary): Make static.
2065         (inline_transform): Do not call inlining at -O0; make static.
2066         * passes.c (execute_todo): Add sanity check.
2067         (execute_one_ipa_transform_pass): Execute proper flags.
2068
2069 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
2070
2071         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
2072         (DECL_NONADDRESSABLE_P): Likewise.
2073         * alias.c (record_component_aliases): Fix comment.
2074
2075 2008-05-01  Simon Baldwin <simonb@google.com>
2076
2077         * c-common.h (warn_array_subscript_range): New function.
2078         * c-common.c (warn_array_subscript_range): Ditto.
2079         * tree-vrp.c (check_array_ref): Corrected code to agree with
2080         comment, ignoring only arrays of size 0 or size 1.
2081         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
2082
2083 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2084
2085         * config/i386/i386.c (ix86_builtin_type): Replace
2086         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
2087         (bdesc_args): Updated.
2088         (ix86_init_mmx_sse_builtins): Likewise.
2089         (ix86_expand_args_builtin): Likewise.
2090
2091         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
2092         with __v1di.
2093
2094         * doc/extend.texi: Correct __builtin_ia32_palignr.
2095
2096 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2097
2098         PR target/36095
2099         * config/i386/i386.c (bdesc_crc32): Removed.
2100         (ix86_expand_crc32): Likewise.
2101         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
2102         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
2103         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
2104         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
2105         UINT_FTYPE_UINT_UCHAR.
2106         (bdesc_args): Updated. Add crc32 builtins.
2107         (ix86_init_mmx_sse_builtins): Updated.
2108         (ix86_expand_args_builtin): Updated to support subreg.
2109
2110         * doc/extend.texi: Correct __builtin_ia32_crc32di.
2111
2112 2008-05-01  Jan Hubicka  <jh@suse.cz>
2113
2114         * tree-pass.h (opt_pass): Add IPA_PASS.
2115         (varpool_node, cgraph_node): Forward declare.
2116         (ipa_opt_pass): Define.
2117         (pass_ipa_inline): Turn into ipa_opt_pass.
2118         (pass_apply_inline): Remove.
2119         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
2120         (apply_inline): Turn into ....
2121         (inline_transform): ... this one.
2122         (inline_generate_summary): New function.
2123         (pass_apply_inline): Remove.
2124         * function.h (ipa_opt_pass): Forward declare structure; typedef;
2125         vector.
2126         (struct function): Add ipa_transforms_to_apply.
2127         * passes.c (register_one_dump_file): Work on IPA_PASS.
2128         (init_optimization_passes): Remove pass_inline_parameters and
2129         pass_apply_inline.
2130         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
2131         (execute_one_pass) ... here; apply transforms when possible.
2132         (add_ipa_transform_pass, execute_ipa_summary_asses,
2133         execute_one_ipa_transform_pass): New.
2134         (execute_ipa_pass_list): Update for IPA_PASS type.
2135
2136 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2137
2138         * config/i386/i386.c (ix86_builtin_type): Add
2139         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
2140         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
2141         (bdesc_args): Add SSE4a builtins.
2142         (ix86_init_mmx_sse_builtins): Updated.
2143         (ix86_expand_args_builtin): Likewise.
2144         (ix86_expand_builtin): Likewise.
2145
2146 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2147
2148         * config/i386/i386.c (ix86_builtin_type): Add
2149         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
2150         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
2151         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
2152         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
2153         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
2154         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
2155         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
2156         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
2157         and DI_FTYPE_DI_DI_INT.
2158         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
2159         (ix86_init_mmx_sse_builtins): Updated.
2160         (ix86_expand_args_builtin): Likewise.
2161         (ix86_expand_builtin): Likewise.
2162         (ix86_expand_binop_imm_builtin): Removed.
2163
2164         * doc/extend.texi: Correct __builtin_ia32_palignr128.
2165
2166 2008-04-30  Richard Guenther  <rguenther@suse.de>
2167
2168         PR tree-optimization/32921
2169         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
2170
2171 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
2172
2173         * config/arm/arm.c (arm_unwind_emit): Use
2174         crtl->all_throwers_are_sibcalls instead of
2175         cfun->all_throwers_are_sibcalls.
2176         (arm_output_fn_unwind): Likewise.
2177         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
2178         instead of cfun->uses_pic_offset_table.
2179         (frv_expand_prologue): Likewise.
2180         (frv_frame_pointer_required): Likewise.
2181         (frv_expand_fdpic_call): Likewise.
2182         (frv_emit_movsi): Likewise.
2183         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
2184         cfun->returns_pcc_struct instead of
2185         current_function_returns_pcc_struct.
2186         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
2187         instead of cfun->calls_eh_return.
2188         (m32c_pushm_popm): Likewise.
2189         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
2190         "extern" declaration.
2191
2192 2008-04-30  Richard Guenther  <rguenther@suse.de>
2193
2194         PR tree-optimization/21636
2195         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
2196         constant address.
2197         (evaluate_stmt): Print the likely value.
2198         (ccp_visit_stmt): Avoid excessive vertical spacing.
2199
2200 2008-04-30  Rafael Espindola  <espindola@google.com>
2201
2202         * builtins.c (fold_call_expr): Return realret.
2203         * tree-ssa-threadedge.c
2204         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2205         __builtin_object_size.
2206
2207 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
2208
2209         * gcc.c (wrapper_string): New variable.
2210         (insert_wrapper): New function.
2211         (execute): New option -wrapper.
2212         * doc/invoke.texi (Overall Options): New driver option -wrapper.
2213
2214 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
2215
2216         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
2217         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
2218         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
2219         from...
2220         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
2221         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
2222         config/rs6000/e500crtres64gprctr.asm,
2223         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
2224         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
2225         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
2226         config/rs6000/e500crtsav64gprctr.asm,
2227         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
2228         config/rs6000/e500crtsavg64gprctr.asm: New files.
2229         * config/rs6000/t-ppccomm: Add build rules for new files.
2230         (LIB2FUNCS_STATIC_EXTRA): Add new files.
2231         * config/rs6000/t-netbsd: Add build rules for new files.
2232         (LIB2FUNCS_STATIC_EXTRA): New variable.
2233         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
2234         (CRTSAVRES_DEFAULT_SPEC): Likewise.
2235         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
2236
2237 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
2238
2239         * config/i386/i386.c (ix86_builtin_type): Add
2240         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
2241         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
2242         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
2243         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
2244         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
2245         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
2246         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
2247         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
2248         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
2249         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
2250         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
2251         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
2252         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
2253         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
2254         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
2255         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
2256         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
2257         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
2258         V1DI_FTYPE_V2SI_V2SI.
2259         (bdesc_2arg): Moved to ...
2260         (bdesc_args): Here.
2261         (ix86_init_mmx_sse_builtins): Updated.
2262         (ix86_expand_args_builtin): Updated.  Take a pointer
2263         to const struct builtin_description.  Handle comparison
2264         builtin functions.
2265         (ix86_expand_sse_compare): Take a new argument for swapping operands.
2266         (ix86_expand_builtin): Updated.
2267
2268         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
2269         (ssse3_pmaddubsw128): This.
2270         (ssse3_pmaddubswv4hi3): Renamed to ...
2271         (ssse3_pmaddubsw): This.
2272
2273         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
2274         (__builtin_ia32_packssdw128): Likewise.
2275         (__builtin_ia32_packuswb128): Likewise.
2276         (__builtin_ia32_pmaddubsw): Likewise.
2277         (__builtin_ia32_pmaddubsw128): Likewise.
2278
2279 2008-04-30  Richard Guenther  <rguenther@suse.de>
2280
2281         PR tree-optimization/14847
2282         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
2283         (recognize_bits_test): Use it.
2284         (recognize_single_bit_test): Likewise.
2285
2286 2008-04-30  Martin Jambor  <mjambor@suse.cz>
2287
2288         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
2289         instead of setting number of formal parameters to zero.
2290         (ipcp_init_stage): Do not set the number of actual parameters to zero 
2291         either.
2292         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
2293         which are called with variable number of arguments.
2294         (ipcp_insert_stage): Explicitely skipping all nodes which are
2295         called with variable number of arguments.
2296         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
2297         number of parameters.
2298
2299         * ipa-prop.h (struct ipa_node_params): Added flag
2300         called_with_var_arguments
2301         (ipa_set_param_count): Added.  Changed sole setter to use it.
2302         (ipa_get_param_count): Added.  All readers of param_count
2303         converted to use it instead.
2304         (ipa_set_called_with_variable_arg): Added.
2305         (ipa_is_called_with_var_arguments): Added.
2306         (ipa_get_ith_param): Added.  All readers of param_decls converted
2307         to use it instead.
2308         (ipa_set_cs_argument_count): Added, sole writer to argument_count 
2309         changed to use it. 
2310         (ipa_get_cs_argument_count): Added, all readers of argument_count
2311         changed to cal it.
2312         (ipa_get_ith_jump_func): Added. Accessors of jump values changed 
2313         to use it.
2314         
2315         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
2316         (struct ipcp_lattice): Renamed cval_type to type
2317         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
2318
2319         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
2320         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
2321         (ipcp_insert_stage): Changed the type of variable cvalue to tree
2322         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
2323         (build_const_val): Changed the type of parameter cvalue to tree
2324         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
2325         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
2326         
2327         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
2328         constant 
2329
2330         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
2331         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
2332         (ipa_add_method): Renamed to ipa_push_func_to_list
2333         (ipa_remove_method): Renamed to ipa_pop_func_from_list
2334         (ipa_callsite_param_count): Removed.
2335         (ipa_callsite_param_count_set): Removed.
2336         (ipa_callsite_param): Removed.
2337         (ipa_callsite_callee): Removed.
2338         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
2339         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
2340         (ipa_method_formal_count): Removed.
2341         (ipa_method_formal_count_set): Removed.
2342         (ipa_method_get_tree): Removed.
2343         (ipa_method_tree_map_create): Removed.
2344         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
2345         (ipa_create_param_decls_array): Creates the array itself
2346         (ipa_create_param_decls_array): Temporary variable info instead of 
2347         a few dereferences.
2348         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
2349         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
2350         (get_type): Removed.
2351         (ipa_jf_get_info_type): Removed.
2352         (ipa_node_create): Renamed to ipa_create_node_params
2353         (ipa_free): Renamed to ipa_free_all_node_params
2354         (ipa_nodes_create): Renamed to ipa_create_all_node_params
2355         (ipa_edges_create): Renamed to ipa_create_all_edge_args
2356         (ipa_edges_free): Renamed to ipa_free_all_edge_args
2357         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
2358         (ipa_free_all_node_params): Deallocation to jump_functions moved to 
2359         ipa_free_all_edge_args
2360         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
2361         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
2362         (ipa_create_methodlist_node): Removed.
2363         (ipa_methodlist_method): Removed.
2364         (ipa_methodlist_method_set): Removed.
2365         (ipa_methodlist_next_method): Removed.
2366         (ipa_methodlist_next_method_set): Removed.
2367         (ipa_method_is_modified): Removed.
2368         (ipa_method_modify_create): Removed.
2369         (ipa_method_modify_init): Temporary variable info instead of a few 
2370         dereferences.
2371         (ipa_detect_param_modifications): Temporary variable info instead of 
2372         a few dereferences.
2373         (ipa_compute_jump_functions): Temporary variable info instead of 
2374         a few dereferences.
2375         (ipa_method_modify_set): Removed.
2376         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
2377         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
2378         than craph_node as the first parameter.
2379         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
2380         (ipa_method_modify_init): Removed.
2381         (ipa_compute_jump_functions): Added a temp variable instead of 
2382         repeatadly dereferencing the cgraph_edge.aux pointer
2383         (ipa_callsite_param_set_type): Removed.
2384         (ipa_compute_jump_functions): i renamed to index and moved to 
2385         an inner block
2386         (ipa_callsite_param_set_info_type_formal): Removed.
2387         (ipa_callsite_param_set_info_type): Removed.
2388         (ipa_callsite_param_map_create): Removed.
2389         (ipa_callsite_tree): Removed.
2390         (ipa_callsite_caller): Removed.
2391         (ipa_pop_func_from_list): return_method removed to return_func
2392
2393         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
2394         prefixed all values with IPA_. Changed all users.
2395         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
2396         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
2397         and FORMAL_IPATYPE IPA_PASS_THROUGH. 
2398         (union parameter_info): Renamed to jump_func_value.
2399         (union jump_func_value): Renamed value to constant
2400         (struct ipa_jump_func): Renamed info_type to value
2401         (struct ipa_node): Renamed to ipa_node_params
2402         (struct ipa_node_params): Renamed ipa_arg_num to param_count
2403         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
2404         (struct ipa_node_params): Renamed ipa_mod to modified_flags
2405         (struct ipa_edge): Renamed to ipa_edge_args
2406         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
2407         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
2408         (struct ipa_methodlist): Renamed to ipa_func_list
2409         (struct ipa_func_list): method_p renamed to node, next_method
2410         renamed to next
2411         (ipa_methodlist_p): Removed, switched all users to struct pointer
2412         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
2413
2414 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
2415
2416         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
2417         (rs6000_emit_epilogue): Use backchain to restore only when we
2418         have a large frame.  Make use of frame pointer to restore if we
2419         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
2420
2421 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
2422
2423         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
2424         Add mode to zero_extract.
2425         (sign bit tests peepholes): (Ditto.).
2426
2427 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2428
2429         * config/i386/i386.c (ix86_builtins): Replace Prescott New
2430         Instructions in comments with SSE3.
2431         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
2432         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
2433         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
2434         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
2435         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
2436         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
2437         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
2438         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
2439         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
2440         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
2441         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
2442         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
2443         (bdesc_sse_args): Renamed to ...
2444         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
2445         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
2446         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
2447         IX86_BUILTIN_FABSQ.
2448         (bdesc_1arg): Moved to ...
2449         (bdesc_args): Here.
2450         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
2451         Instructions in comments with SSE3.
2452         (ix86_expand_sse_operands_builtin): Renamed to ...
2453         (ix86_expand_args_builtin): This.  Updated.
2454         (ix86_expand_unop1_builtin): Update comments.
2455         (ix86_expand_builtin): Updated.
2456
2457 2008-04-29  Richard Guenther  <rguenther@suse.de>
2458
2459         PR tree-optimization/36078
2460         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
2461         Update virtual SSA form after cleaning up the CFG.
2462
2463 2008-04-29  Richard Guenther  <rguenther@suse.de>
2464
2465         PR middle-end/15255
2466         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
2467
2468 2008-04-29  Richard Guenther  <rguenther@suse.de>
2469
2470         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
2471         (compute_may_aliases): Do not call finalize_ref_all_pointers.
2472         (compute_flow_insensitive_aliasing): Do not treat
2473         PTR_IS_REF_ALL pointers special.
2474         (get_smt_for): Likewise.
2475         (may_alias_p): Re-structure.
2476         (is_escape_site): A ref-all pointer conversion is not an escape site.
2477         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
2478         PTR_IS_REF_ALL pointers special.
2479         * tree-ssa-structalias.h (struct alias_info): Remove
2480         ref_all_symbol_mem_tag field.
2481         (PTR_IS_REF_ALL): Remove.
2482
2483 2008-04-29  Richard Guenther  <rguenther@suse.de>
2484
2485         PR middle-end/36077
2486         * fold-const.c (extract_muldiv_1): In combining division constants
2487         make sure to never overflow.
2488
2489 2008-04-29  Nick Clifton  <nickc@redhat.com>
2490
2491         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
2492
2493 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2494
2495         PR bootstrap/35169
2496         * optc-gen.awk: Work around HP-UX/IA awk bug.
2497
2498 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
2499
2500         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
2501         2008-04-25 commit.
2502
2503 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
2504
2505         PR target/36073
2506         * config/i386/i386.md
2507         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
2508         Change operand 1 predicate to nonimmediate_operand.
2509
2510 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
2511
2512         PR debug/36060
2513         * dwarf2out.c (struct die_struct): Mark as chain_circular through
2514         die_sub field.
2515         * gengtype.c (walk_type, write_func_for_structure): Handle
2516         chain_circular.
2517         * doc/gty.texi: Document chain_circular.
2518
2519 2008-04-28  Richard Guenther  <rguenther@suse.de>
2520
2521         PR tree-optimization/36066
2522         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
2523         SCEV and loop.
2524
2525 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
2526
2527         PR target/36064
2528         * config/i386/i386.md
2529         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
2530         Use match_scratch instead of match_operand for operands 3 and 4.
2531
2532 2008-04-27  Richard Guenther  <rguenther@suse.de>
2533
2534         PR tree-optimization/18754
2535         PR tree-optimization/34223
2536         * tree-pass.h (pass_complete_unrolli): Declare.
2537         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
2538         loop size before and after unconditionally of UL_NO_GROWTH in effect.
2539         Rewrite loop into loop closed SSA form if it is not already.
2540         (tree_unroll_loops_completely): Re-structure to iterate over
2541         innermost loops with intermediate CFG cleanups.
2542         Unroll outermost loops only if requested or the code does not grow
2543         doing so.
2544         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
2545         loops are available.
2546         (tree_vectorize): Instead do so here.
2547         (tree_complete_unroll): Also unroll outermost loops.
2548         (tree_complete_unroll_inner): New function.
2549         (gate_tree_complete_unroll_inner): Likewise.
2550         (pass_complete_unrolli): New pass.
2551         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
2552         uses outside of the loop.
2553         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
2554         form if it is available.  
2555         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
2556         * passes.c (init_optimization_passes): Schedule complete inner
2557         loop unrolling pass before the first CCP pass after final inlining.
2558
2559 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2560
2561         * targhooks.h (default_emutls_var_fields,
2562         default_emutls_var_init): Declare.
2563         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
2564         * target.h (struct gcc_target): Add struct emutls member.
2565         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
2566         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
2567         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
2568         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
2569         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
2570         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
2571         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
2572         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
2573         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
2574         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
2575         emit debug information.
2576         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
2577         * varasm.c: Include targhooks.h.
2578         (emutls_object_section, emutls_tmpl_section): New.
2579         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
2580         (EMUTLS_SEPARATOR): New.
2581         (prefix_name): New.
2582         (get_emutls_object_name): New.
2583         (default_emutls_var_fields): New, broken out of ...
2584         (get_emutls_object_type): ... here.  Adjust to use target hooks.
2585         (get_emutls_init_templ_addr): Adjust to use target hooks.
2586         (emutls_decl): Adjust to use target hooks.
2587         (emutls_finish): Likewise.
2588         (default_emutls_var_init): New, broken out of ...
2589         (assemble_variable): ... here.  Adjust to use target hooks.
2590         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
2591         SECCAT_EMUTLS_TMPL.
2592         * c-common.c (handle_section_attribute): Prevent overriding
2593         sections for emulated tls with special sections.
2594         * config/i386/i386.c (x86_64_elf_select_section): Add
2595         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
2596         (x86_64_elf_unique_section): Likewise.
2597         * config/vxworks.c: Include tree.h.
2598         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
2599         (vxworks_override_options): Set TLS scheme.
2600         * doc/tm.texi (Emulated TLS): New node.
2601
2602 2008-04-26  Simon Baldwin <simonb@google.com>
2603
2604         PR c/35652
2605         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
2606         with propagated string constants.
2607
2608 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
2609
2610         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
2611         constraint for operand 2 when operand 0 is memory operand.
2612         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
2613         operand 0 is memory operand.
2614         (fix_trunc<mode>_i387_with_temp): Ditto.
2615         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
2616         operand 2 when operand 1 is memory operand.
2617         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
2618         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
2619         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
2620         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
2621         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
2622         operands 2,3 and 4 when operand 1 is memory operand.
2623         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
2624         is memory operand.
2625         (fistdi2_floor_with_temp): Ditto.
2626         (fist<mode>2_floor_with_temp): Ditto.
2627         (fistdi2_ceil_with_temp): Ditto.
2628         (fist<mode>2_ceil_with_temp): Ditto.
2629         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
2630
2631 2008-04-26  David Daney  <ddaney@avtrex.com>
2632
2633         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
2634         unspec_volitile.
2635         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
2636         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
2637         UNSPEC_UPDATE_GOT_VERSION): Renumber.
2638         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
2639         (compare_and_swap_12): New insn.
2640         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
2641         * config/mips/mips.c (mips_force_binary): New function.
2642         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
2643         (mips_expand_compare_and_swap_12): New function.
2644         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
2645
2646 2008-04-25  Jan Hubicka  <jh@suse.cz>
2647
2648         PR testsuite/35843
2649         * cfgexpand.c (pass_expand): Turn into RTL pass.
2650         * passes.c (execute_one_pass): Do pass typechecking after execution.
2651         * tree-pass.h (pass_expand): Turn into RTL pass.
2652
2653         * function.h (struct rtl_data): Move here fields
2654         accesses_prior_frames, calls_eh_return, saves_all_registers,
2655         has_nonlocal_goto, has_asm_statement, is_thunk,
2656         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
2657         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
2658         arg_pointer_save_area_init from struct function; turn into bool.
2659         (struct function): Move
2660         calls_eh_return, saves_all_registers, has_nonlocal_goto,
2661         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
2662         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
2663         tail_call_emit, arg_pointer_save_area_init
2664         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
2665         (current_function_returns_struct, current_function_returns_pcc_struct,
2666         current_function_calls_setjmp, current_function_calls_alloca,
2667         current_function_accesses_prior_frames,
2668         current_function_calls_eh_return, current_function_is_thunk,
2669         current_function_stdarg, current_function_profile,
2670         current_function_limit_stack, current_function_uses_pic_offset_table,
2671         current_function_uses_const_pool, current_function_has_nonlocal_label,
2672         current_function_saves_all_registers,
2673         current_function_has_nonlocal_goto,
2674         current_function_has_asm_statement): Remove accesor macros.
2675         * ra-conflict.c (global_conflicts): Update.
2676         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
2677         (suitable_for_tail_call_opt_p): Update.
2678         * builtins.c (expand_builtin_return_addr): Update.
2679         (expand_builtin_setjmp_setup): Update.
2680         (expand_builtin_nonlocal_goto): Update.
2681         * final.c (final_start_function): Update.
2682         (profile_function): Update.
2683         (leaf_function_p): Update.
2684         (only_leaf_regs_used): Update.
2685         * df-scan.c (df_get_exit_block_use_set): Update.
2686         * dojump.c (clear_pending_stack_adjust): Update.
2687         * tree-stdarg.c (gate_optimize_stdarg): Update.
2688         * gimple-low.c (lower_function_body): Update.
2689         * global.c (compute_regsets): Update.
2690         (global_alloc): Update.
2691         * dwarf2out.c (dwarf2out_begin_prologue): Update.
2692         * expr.c (expand_assignment): Update.
2693         * dse.c (dse_step0): Update.
2694         (dse_step1): Update.
2695         * c-decl.c (store_parm_decls): Update.
2696         * local-alloc.c (combine_regs): Update.
2697         (find_free_reg): Update.
2698         * function.c (assign_parms_augmented_arg_list): Update.
2699         (assign_parm_find_data_types): Update.
2700         (assign_parms): Update.
2701         (allocate_struct_function): Update.
2702         (expand_function_start): Update.
2703         (expand_function_end): Update.
2704         (get_arg_pointer_save_area): Update.
2705         (thread_prologue_and_epilogue_insns): Update.
2706         (rest_of_match_asm_constraints): Update.
2707         * stor-layout.c (variable_size): Update.
2708         * gcse.c (gcse_main): Update.
2709         (bypass_jumps): Update.
2710         * gimplify.c (gimplify_function_tree): Update.
2711         * calls.c (emit_call_1): Update.
2712         (expand_call): Update.
2713         * bt-load.c (compute_defs_uses_and_gen): Update.
2714         * except.c (sjlj_assign_call_site_values): Update.
2715         (sjlj_emit_function_enter): Update.
2716         (can_throw_external): Update.
2717         (set_nothrow_function_flags): Update.
2718         (expand_builtin_unwind_init): Update.
2719         (expand_eh_return): Update.
2720         (convert_to_eh_region_ranges): Update.
2721         (output_function_exception_table): Update.
2722         * emit-rtl.c (gen_tmp_stack_mem): Update.
2723         * cfgexpand.c (expand_used_vars): Update.
2724         (tree_expand_cfg): Update.
2725         * cfgcleanup.c (rest_of_handle_jump): Update.
2726         * explow.c (allocate_dynamic_stack_space): Update.
2727         * varasm.c (assemble_start_function): Update.
2728         (force_const_mem): Update.
2729         (mark_constant_pool): Update.
2730         * tree-optimize.c (tree_rest_of_compilation): Update.
2731         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
2732         * tree-cfg.c (notice_special_calls): Update.
2733         (is_ctrl_altering_stmt): Update.
2734         (tree_can_make_abnormal_goto): Update.
2735         (tree_purge_dead_abnormal_call_edges): Update.
2736         * config/alpha/predicates.md: Update.
2737         * config/alpha/alpha.c (alpha_sa_mask): Update.
2738         (alpha_sa_size): Update.
2739         (alpha_does_function_need_gp): Update.
2740         (alpha_expand_prologue): Update.
2741         (alpha_start_function): Update.
2742         (alpha_output_function_end_prologue): Update.
2743         (alpha_expand_epilogue): Update.
2744         * config/frv/frv.c (frv_stack_info): Update.
2745         (frv_expand_epilogue): Update.
2746         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
2747         (s390_register_info): Update.
2748         (s390_frame_info): Update.
2749         (s390_init_frame_layout): Update.
2750         (s390_can_eliminate): Update.
2751         (save_gprs): Update.
2752         * config/spu/spu.c (spu_split_immediate): Update.
2753         (need_to_save_reg): Update.
2754         (spu_expand_prologue): Update.
2755         (spu_expand_epilogue): Update.
2756         * config/sparc/sparc.md: Update.
2757         * config/sparc/sparc.c (eligible_for_return_delay): Update.
2758         (sparc_tls_got): Update.
2759         (legitimize_pic_address): Update.
2760         (sparc_emit_call_insn): Update.
2761         (sparc_expand_prologue): Update.
2762         (output_return): Update.
2763         (print_operand): Update.
2764         (sparc_function_ok_for_sibcall): Update.
2765         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
2766         * config/m32r/m32r.md: Update.
2767         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
2768         (m32r_compute_frame_size): Update.
2769         (m32r_expand_prologue): Update.
2770         (m32r_expand_epilogue): Update.
2771         (m32r_legitimize_pic_address): Update.
2772         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
2773         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
2774         * config/i386/i386.c (ix86_frame_pointer_required): Update.
2775         (gen_push): Update.
2776         (ix86_save_reg): Update.
2777         (ix86_compute_frame_layout): Update.
2778         (ix86_expand_prologue): Update.
2779         (ix86_expand_epilogue): Update.
2780         * config/sh/sh.c (output_stack_adjust): Update.
2781         (calc_live_regs): Update.
2782         (sh5_schedule_saves): Update.
2783         (sh_expand_prologue): Update.
2784         (sh_expand_epilogue): Update.
2785         (sh_setup_incoming_varargs): Update.
2786         (sh_allocate_initial_value): Update.
2787         (sh_get_pr_initial_val): Update.
2788         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
2789         * config/sh/sh.md (label:): Update.
2790         * config/avr/avr.c (out_movhi_mr_r): Update.
2791         * config/crx/crx.h (enum): Update.
2792         * config/xtensa/xtensa.h (along): Update.
2793         * config/stormy16/stormy16.c Update.
2794         (xstormy16_compute_stack_layout): Update.
2795         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
2796         (fr30_expand_prologue): Update.
2797         * config/cris/cris.c (cris_conditional_register_usage): Update.
2798         (cris_reg_saved_in_regsave_area): Update.
2799         (cris_initial_frame_pointer_offset): Update.
2800         (cris_simple_epilogue): Update.
2801         (cris_expand_prologue): Update.
2802         (cris_expand_epilogue): Update.
2803         (cris_expand_pic_call_address): Update.
2804         (cris_asm_output_symbol_ref): Update.
2805         (cris_asm_output_label_ref): Update.
2806         * config/cris/cris.md Update.
2807         * config/iq2000/iq2000.c (compute_frame_size): Update.
2808         (iq2000_expand_epilogue): Update.
2809         * config/mt/mt.h (save_direction): Update.
2810         * config/mn10300/mn10300.c (mn10300_function_value): Update.
2811         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
2812         (ia64_secondary_reload_class): Update.
2813         * config/m68k/m68k.c (m68k_save_reg): Update.
2814         (m68k_expand_prologue): Update.
2815         (m68k_expand_epilogue): Update.
2816         (legitimize_pic_address): Update.
2817         * config/rs6000/rs6000.c (rs6000_got_register): Update.
2818         (first_reg_to_save): Update.
2819         (first_altivec_reg_to_save): Update.
2820         (compute_vrsave_mask): Update.
2821         (compute_save_world_info): Update.
2822         (rs6000_stack_info): Update.
2823         (spe_func_has_64bit_regs_p): Update.
2824         (rs6000_ra_ever_killed): Update.
2825         (rs6000_emit_eh_reg_restore): Update.
2826         (rs6000_emit_allocate_stack): Update.
2827         (rs6000_emit_prologue): Update.
2828         (rs6000_emit_epilogue): Update.
2829         (rs6000_output_function_epilogue): Update.
2830         (output_profile_hook): Update.
2831         (rs6000_elf_declare_function_name): Update.
2832         * config/rs6000/rs6000.h (rs6000_args): Update.
2833         * config/rs6000/rs6000.md: Update.
2834         * config/mcore/mcore.c (mcore_expand_prolog): Update.
2835         * config/arc/arc.c (arc_output_function_epilogue): Update.
2836         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
2837         * config/darwin.c (machopic_function_base_name): Update.
2838         * config/score/score3.c (score3_compute_frame_size): Update.
2839         (rpush): Update.
2840         (rpop): Update.
2841         (score3_epilogue): Update.
2842         * config/score/score7.c (score7_compute_frame_size): Update.
2843         (score7_prologue): Update.
2844         (score7_epilogue): Update.
2845         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
2846         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
2847         * config/arm/arm.c (use_return_insn): Update.
2848         (require_pic_register): Update.
2849         (arm_load_pic_register): Update.
2850         (arm_compute_save_reg0_reg12_mask): Update.
2851         (arm_compute_save_reg_mask): Update.
2852         (thumb1_compute_save_reg_mask): Update.
2853         (output_return_instruction): Update.
2854         (arm_output_function_prologue): Update.
2855         (arm_output_epilogue): Update.
2856         (arm_get_frame_offsets): Update.
2857         (arm_expand_prologue): Update.
2858         (thumb_pushpop): Update.
2859         (thumb_exit): Update.
2860         (thumb1_expand_prologue): Update.
2861         (thumb1_expand_epilogue): Update.
2862         (arm_unwind_emit): Update.
2863         (arm_output_fn_unwind): Update.
2864         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
2865         * config/arm/arm.md: Update.
2866         * config/pa/pa.md: Update.
2867         * config/pa/pa.c (legitimize_pic_address): Update.
2868         (compute_frame_size): Update.
2869         (hppa_expand_prologue): Update.
2870         (hppa_expand_epilogue): Update.
2871         (borx_reg_operand): Update.
2872         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
2873         (HARD_REGNO_RENAME_OK): Update.
2874         * config/mips/mips.c (mips_global_pointer): Update.
2875         (mips_save_reg_p): Update.
2876         (mips_compute_frame_info): Update.
2877         (mips_frame_pointer_required): Update.
2878         (mips_expand_prologue): Update.
2879         (mips_expand_epilogue): Update.
2880         (mips_can_use_return_insn): Update.
2881         (mips_reorg_process_insns): Update.
2882         * config/v850/v850.c (compute_register_save_size): Update.
2883         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
2884         * config/mmix/mmix.c (along): Update.
2885         (mmix_expand_epilogue): Update.
2886         * config/bfin/bfin.c (legitimize_pic_address): Update.
2887         (must_save_p): Update.
2888         (stack_frame_needed_p): Update.
2889         (add_to_reg): Update.
2890         (bfin_expand_prologue): Update.
2891         * stmt.c (expand_asm_operands): Update.
2892         * reload1.c (reload): Update.
2893         (init_elim_table): Update.
2894
2895 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
2896         
2897         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
2898         
2899 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
2900
2901         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
2902         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
2903         (mov<mode>): Removed.
2904         (*movv4sf_internal): Likewise.
2905         (*movv2df_internal): Likewise.
2906
2907 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
2908
2909         * config.gcc (crx-*-elf): Remove deprecation.
2910
2911 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
2912
2913         * config/i386/cygming-crtend.c (register_frame_ctor): Register
2914         __gcc_deregister_frame with atexit.
2915         (deregister_frame_dtor): Remove.
2916
2917 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
2918             Nathan Sidwell  <nathan@codesourcery.com>
2919
2920         * config/rs6000/rs6000.opt (mspe): Remove Var property.
2921         (misel): Likewise.
2922         * config/rs6000/rs6000.h (rs6000_spe): Declare.
2923         (rs6000_isel): Likewise.
2924         * config/rs6000/rs6000.c (rs6000_spe): New variable.
2925         (rs6000_isel): New variable.
2926         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
2927
2928 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2929
2930         PR c++/35758
2931         * c-common.c (handle_vector_size_attribute): Call
2932         lang_hooks.types.reconstruct_complex_type instead of
2933         reconstruct_complex_type.
2934         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
2935         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
2936         * langhooks.h (struct lang_hooks_for_types): Add
2937         reconstruct_complex_type hook.
2938         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
2939         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
2940
2941 2008-04-24  Richard Guenther  <rguenther@suse.de>
2942
2943         * c-common.h (check_builtin_function_arguments): Declare.
2944         * c-common.c (validate_nargs): New function.
2945         (check_builtin_function_arguments): Likewise.
2946         * c-typeck.c (build_function_call): Call
2947         check_builtin_function_arguments.
2948         * builtins.c (fold_builtin_classify): Remove error reporting code.
2949         (fold_builtin_unordered_cmp): Likewise.
2950         (fold_builtin_1): Likewise.
2951         (fold_builtin_n): Likewise.
2952
2953 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2954
2955         PR tree-optimization/36008
2956         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
2957         the original op1, rather than delta by step.
2958
2959 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
2960             Sebastian Pop  <sebastian.pop@amd.com>
2961
2962         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
2963         eliminate_local_variables_stmt, eliminate_local_variables,
2964         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
2965         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
2966         of code delimited by two edges in the CFG.
2967         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
2968         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
2969         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
2970         the case of parallelisation of reductions.
2971         (expr_invariant_in_region_p): New.
2972
2973         * tree-flow.h (gather_blocks_in_sese_region): Declared.
2974         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
2975
2976 2008-04-24  Ira Rosen  <irar@il.ibm.com>
2977             Richard Guenther  <rguenther@suse.de>
2978
2979         PR tree-optimization/36034
2980         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
2981         incapable of dealing with loads with gaps.
2982
2983 2008-04-24  Rafael Espindola  <espindola@google.com>
2984
2985         * tree-flow.h (vrp_evaluate_conditional): Change signature.
2986         * tree-ssa-propagate.c (fold_predicate_in): Update call to
2987         vrp_evaluate_conditional.
2988         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
2989         (vrp_evaluate_conditional): Split the cond argument.
2990         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
2991         (simplify_stmt_for_jump_threading): Update call to
2992         vrp_evaluate_conditional.
2993
2994 2008-04-24  Ira Rosen  <irar@il.ibm.com>
2995
2996         PR tree-optimization/35982
2997         * tree-vect-analyze.c (vect_check_interleaving): Check that the
2998         interleaved data-refs are of the same type.
2999
3000 2008-04-24  Danny Smith  <dannysmith@users.net>
3001
3002         * c-format.c (check_format_info_main): Use strncmp rather than a
3003         magic prefix to handle multichar length specs.
3004         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
3005         Don't prefix "I64" and "I32" with '\0'.
3006
3007 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
3008
3009         PR target/36015
3010         * config/i386/i386.c (init_cumulative_args): Don't pass anything
3011         in registers for -m32 only if stdarg_p (fntype).
3012
3013 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
3014
3015         PR rtl-optimization/36006
3016         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
3017         temp to op0 in order to avoid invalid rtx sharing.
3018
3019 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
3020
3021         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
3022         check TREE_INVARIANT.
3023         * tree-gimple.c (is_gimple_address): New.
3024         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
3025         * tree-gimple.h (is_gimple_address): New.
3026         * tree.h (decl_address_invariant_p): New.
3027         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
3028         (build_string): Likewise.
3029         (decl_address_invariant_p): New, from is_gimple_invariant_address.
3030         (tree_invariant_p_1): Likewise.
3031         (save_expr): Use it.
3032         (tree_invariant_p): New.
3033         (skip_simple_arithmetic): Use it.
3034         (stabilize_reference_1): Use it.
3035         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
3036         simplify.
3037         (build1_stat): Drop code to compute TREE_INVARIANT.
3038         (build2_stat): Drop code to compute TREE_INVARIANT.
3039         (build3_stat): Drop code to compute TREE_INVARIANT.
3040         (build4_stat): Drop code to compute TREE_INVARIANT.
3041         (build5_stat): Drop code to compute TREE_INVARIANT.
3042         (build7_stat): Drop code to compute TREE_INVARIANT.
3043         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
3044         * tree.h (struct tree_base): Remove invariant_flag.
3045         (TREE_INVARIANT): Remove.
3046         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
3047         (fold_builtin_expect): Check TREE_CONSTANT.
3048         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
3049         * c-tree.h (c_expr_to_decl): Drop third parameter.
3050         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
3051         (build_c_cast): Don't set TREE_INVARIANT.
3052         (pop_init_level): Don't set TREE_INVARIANT.
3053         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
3054         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
3055         TREE_CONSTANT.
3056         (gimplify_init_constructor): Don't set TREE_INVARIANT.
3057         (gimplify_addr_expr): Adjust comment.
3058         * tree-mudflap.c (mf_build_string):
3059         * print-tree.c (print_node): Don't print TREE_INVARIANT.
3060         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
3061         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
3062         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
3063         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
3064         * langhooks.h (struct lang_hooks): Drop third parameter from
3065         expr_to_decl.
3066
3067 2008-04-23  Richard Guenther  <rguenther@suse.de>
3068
3069         PR tree-optimization/27799
3070         PR tree-optimization/32921
3071         PR tree-optimization/32624
3072         * tree-ssa-structalias.c (merge_smts_into): Only merge the
3073         SMTs aliases and the tag itself into the solution.
3074         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
3075         merge the points-to solution back into the SMT aliases.
3076         (may_alias_p): Use alias_set_subset_of instead of
3077         aliases_conflict_p.  A pointer which points to
3078         memory with alias set zero may access any variable.
3079
3080 2008-04-23  Richard Guenther  <rguenther@suse.de>
3081
3082         * alias.c (alias_set_subset_of): Correctly handle asking
3083         if zero is a subset of an alias set with zero child.
3084         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
3085         (compute_flow_insensitive_aliasing): Correctly walk all
3086         pointers.  Do not unnecessarily union sets.
3087
3088 2008-04-23  Richard Guenther  <rguenther@suse.de>
3089
3090         PR middle-end/36021
3091         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
3092
3093 2008-04-22  Tomas Bily  <tbily@suse.cz>
3094
3095         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
3096         unreachable case.
3097         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
3098         NON_LVALUE_EXPR.
3099         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
3100         * tree-ssa-structalias.c (get_constraint_for): Likewise.
3101         * tree-inline.c (estimate_num_insns_1): Likewise.
3102         * varasm.c (const_hash_1, compare_constant, copy_constant)
3103         (compute_reloc_for_constant, output_addressed_constants): Likewise.
3104         * emit-rtl.c (component_ref_for_mem_expr)
3105         (set_mem_attributes_minus_bitpos): Likewise.
3106         * expr.c (highest_pow2_factor, expand_expr_real_1, )
3107         (is_aligning_offset): Likewise.
3108         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
3109         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
3110         * dojump.c (do_jump): Likewise.
3111         * builtins.c (get_pointer_alignment, get_memory_rtx)
3112         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
3113         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
3114
3115 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
3116
3117         PR rtl-optimization/36017
3118         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
3119         expanding the library call.
3120
3121 2008-04-22  Ian Lance Taylor  <iant@google.com>
3122
3123         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
3124         than size_in_bytes.
3125
3126 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
3127
3128         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
3129         of LR/CTR moves for Power6.
3130
3131 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
3132
3133         PR middle-end/36003
3134         * passes.c (init_optimization_passes): Remove
3135         pass_fast_rtl_byte_dce.
3136         
3137 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
3138
3139         PR target/29096
3140         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
3141         builtin functions to generate faster code.
3142         (_mm_cvtpu16_ps): Ditto.
3143         (_mm_cvtpi32x2_ps): Ditto.
3144
3145 2008-04-22  Nick Clifton  <nickc@redhat.com>
3146
3147         * common.opt (ftree-loop-distribution): Add Optimization
3148         attribute.
3149
3150         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
3151         (frv_expand_builtin_va_start): Likewise.
3152
3153         * config/arm/arm.c (thumb_find_work_register): Fix location of
3154         argument register count.
3155
3156 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
3157
3158         Support scheduling for ColdFire V1 and V3 microarchitecture.
3159         Improve scheduling of multiplication instructions.
3160
3161         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
3162         (mac): New instruction attribute.
3163         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
3164         (m68k_sched_mac): New variable.
3165         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
3166         Handle cfv1 and cfv3.
3167         (max_insn_size): New static variable.
3168         (struct _sched_ib): New type.
3169         (sched_ib): New static variable.
3170         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
3171         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
3172         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
3173         Update.
3174         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
3175         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
3176         new variables.  Update.
3177         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
3178         Add modeling of cfv3 instruction buffer.  Update.
3179         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
3180         * config/m68k/m68k.h (TUNE_CFV3): New macro.
3181         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
3182         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
3183         a particular reservation applies to.
3184         (type2): Reorganize attribute values.  Rename alu to alu_reg,
3185         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
3186         to mul_l and mul_w.
3187         (cf_ib_*): Simplify description of instruction buffer.
3188         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
3189         (cf_mem): Split into cf_mem1 and cf_mem2.
3190         (cf_v2_move_??): Rename to cfv12_alu_??.
3191         (cf_v2_move_l_??): Rename to cfv12_omove_??.
3192         (cf_v2_mul_??): Remove reservations.
3193         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
3194         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
3195         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
3196         appropriate place.
3197         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
3198         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
3199         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
3200         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
3201         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
3202         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
3203         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
3204         expansions of the above reservations for instructions of sizes
3205         1, 2 and 3 words.
3206
3207 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
3208
3209         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
3210
3211 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
3212
3213         * coverage.c: Include tree-pass.h.
3214         (coverage_counter_alloc): Print da_file_name to the dump file.
3215
3216 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
3217
3218         * sbitmap.c (sbitmap_range_empty_p): New function.
3219         * sbitmap.h (sbitmap_range_empty_p): New function.
3220         * bitmap.h: Now includes obstack.h.
3221
3222 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
3223             Kenneth Zadeck  <zadeck@naturalbridge.com>
3224
3225         * dbgcnt.def (ra_byte_scan): Added.
3226         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
3227         when the last hit happens for a counter.  
3228         * timevar.def (TV_DF_BYTE_LR): New variable.
3229         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
3230         * passes.c (pass_fast_rtl_byte_dce): New pass.
3231         * fwprop.c (update_df): Added mode to call df_ref_create.
3232         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
3233         DF_REF_EXTRACT_OFFSET.
3234         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, 
3235         DF_BYTE_LR_OUT, df_byte_lr): New macro.
3236         (df_mm): New enum.
3237         (df_ref_extract): Added mode field.
3238         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
3239         DF_REF_EXTRACT_OFFSET.
3240         (DF_REF_EXTRACT_MODE): New macro.
3241         (df_byte_lr_bb_info): New structure.
3242         (df_print_byte_regset, df_compute_accessed_bytes, 
3243         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
3244         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
3245         df_byte_lr_simulate_uses,
3246         df_byte_lr_simulate_artificial_refs_at_top,
3247         df_byte_lr_simulate_artificial_refs_at_end,
3248         df_compute_accessed_bytes): New function.
3249         (df_ref_create): Add parameter.
3250         (df_byte_lr_get_bb_info): New inline function.
3251         * df-scan.c (df_ref_record, df_uses_record,
3252         df_ref_create_structure): Added mode parameter.
3253         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, 
3254         df_defs_record, df_uses_record, df_get_conditional_uses,
3255         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, 
3256         df_entry_block_defs_collect, df_exit_block_uses_collect):
3257         Added mode parameter to calls to df_ref_record, df_uses_record,
3258         df_ref_create_structure.
3259         (df_ref_equal_p, df_ref_compare): Added test for modes.
3260         (df_ref_create_structure): Added code to set mode.  Renamed
3261         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
3262         DF_REF_EXTRACT_OFFSET.
3263         * df-core.c (df_print_byte_regset): New function.
3264         * df-byte-scan.c: New file.
3265         * df-problems.c (df_rd_transfer_function): Removed unnecessary
3266         calls to BITMAP_FREE.  
3267         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
3268         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
3269         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, 
3270         df_byte_lr_check_regs, df_byte_lr_expand_bitmap, 
3271         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
3272         df_byte_lr_local_compute, df_byte_lr_init,
3273         df_byte_lr_confluence_0, df_byte_lr_confluence_n, 
3274         df_byte_lr_transfer_function, df_byte_lr_free, 
3275         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
3276         df_byte_lr_add_problem, df_byte_lr_simulate_defs, 
3277         df_byte_lr_simulate_uses,
3278         df_byte_lr_simulate_artificial_refs_at_top,
3279         df_byte_lr_simulate_artificial_refs_at_end): New function.
3280         * dce.c (byte_dce_process_block): New function.
3281         (dce_process_block): au is now passed in rather than computed
3282         locally.  Changed loops that look at artificial defs to not look
3283         for conditional or partial ones, because there never are any.  
3284         (fast_dce): Now is able to drive byte_dce_process_block or 
3285         dce_process_block depending on the kind of dce being done.
3286         (rest_of_handle_fast_dce): Add parameter to fast_dce.
3287         (rest_of_handle_fast_byte_dce): New function.
3288         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
3289         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
3290
3291 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
3292
3293         PR fortran/35019
3294         * gcc.h: Added fortran options that take arguments to
3295         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
3296         macros.
3297
3298 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
3299
3300         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
3301         scalarization if on the LHS and not a full access.
3302
3303 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3304
3305         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
3306
3307 2008-04-18  Rafael Espindola  <espindola@google.com>
3308
3309         * tree-vrp.c (find_case_label_index): Fix the binary search.
3310         (find_case_label_range): New.
3311         (vrp_visit_switch_stmt): Use find_case_label_range.
3312         (simplify_switch_using_ranges): Use find_case_label_range.
3313
3314 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
3315
3316         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
3317         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
3318
3319 2008-04-18  Tom Tromey  <tromey@redhat.com>
3320
3321         PR libcpp/15500:
3322         * doc/cpp.texi (Implementation-defined behavior): Mention
3323         -finput-charset.
3324
3325 2008-04-18  Ian Lance Taylor  <iant@google.com>
3326
3327         * fold-const.c (pointer_may_wrap_p): New static function.
3328         (fold_comparison): Add another test for pointer overflow.  Use
3329         pointer_may_wrap_p to disable some false positives.
3330
3331 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
3332           
3333         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
3334         (fname_as_string): Match updated cpp_interpret_string prototype.
3335         (fix_string_type): Support char16_t* and char32_t*.
3336         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
3337         derivative) nodes.  Register as builtin if C++0x.
3338         (c_parse_error): Support CPP_CHAR{16,32}.
3339         * c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
3340         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
3341         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
3342         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
3343         CTI_CHAR32_ARRAY_TYPE>: New elements.
3344         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
3345         char32_type_node, signed_char32_type_node, char16_array_type_node,
3346         char32_array_type_node): New defines.
3347         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
3348         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
3349         (lex_string): Support CPP_STRING{16,32}, match updated
3350         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
3351         (lex_charconst): Support CPP_CHAR{16,32}.
3352         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
3353         and CPP_STRING{16,32}.
3354
3355 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
3356
3357         PR bootstrap/35457
3358         * aclocal.m4: Regenerate.
3359         * configure: Regenerate.
3360
3361 2008-04-18  Jan Hubicka  <jh@suse.cz>
3362
3363         * except.c (dw2_size_of_call_site_table,
3364         sjlj_size_of_call_site_table): Use vector API for call_site_record.
3365
3366         * cgraphbuild.c (build_cgraph_edges): Update.
3367         * tree-pass.h: Update comment.
3368         * final.c (leaf_function_p): Update.
3369         (leaf_renumber_regs): Update.
3370         (rest_of_clean_state): Update.
3371         * omp-low.c (expand_omp_parallel): Update.
3372         * ipa-reference.c (analyze_function): Update.
3373         * reorg.c (find_end_label): Update.
3374         (optimize_skip): Update.