OSDN Git Service

2009-04-16 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-04-16  Richard Guenther  <rguenther@suse.de>
2         Ira Rosen  <irar@il.ibm.com>
3
4         PR tree-optimization/39698
5         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
6         type of the reduction variable.  Only generate the def if
7         it is needed.
8
9         * omp-low.c (expand_omp_for_generic): When converting to a pointer
10         make sure to first convert to an integer of the same precision.
11         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
12         the type of the evolution correctly in computing the new
13         induction variable base.
14
15 2009-04-16  Richard Guenther  <rguenther@suse.de>
16
17         PR middle-end/39625
18         * tree-cfg.c (make_blocks): Split statements with to-be
19         abnormal SSA names on the lhs.
20
21 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
22
23         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
24         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
25         * c-typeck.c (really_start_incremental_init): Likewise.
26         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
27         (TARGET_INITIALIZER): Remove it.
28         * target.h (struct target): Remove vector_opaque_p.
29         * tree.c (build_opaque_vector_type): New.
30         * tree.h (TYPE_VECTOR_OPAQUE): New.
31         (build_opaque_vector_type): Declare.
32         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
33         * config/rs6000/rs6000.c (build_opaque_vector_type,
34         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
35         (rs6000_init_builtins): Use build_opaque_vector_type for
36         opaque_V4SI_type_node.
37
38 2009-04-15  Catherine Moore  <clm@codesourcery.com>
39
40         * debug.h (set_name):  Declare.
41         * dwarf2out.c (dwarf2out_set_name): Declare.
42         (dwarf2_debug_hooks): Add set_name.
43         (find_AT_string): New.
44         (add_AT_string): Call find_AT_string.
45         (dwarf2out_set_name): New.
46         * cp/decl.c (grokdeclarator): Call set_name.
47         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
48         * debug.c (do_nothing_debug_hooks):  Likewise.
49         * dbxout.c (dbx_debug_hooks): Likewise.
50         * sdbout.c (sdb_debug_hooks): Likewise.
51
52 2009-04-15  Michael Eager <eager@eagercon.com>
53
54         * config/rs6000/rs6000.c: rs6000_function_value: set function return
55         reg for single-precision FPU
56         * config/rs6000/rs6000.md: (movsi_internal1): only for !TARGET_SINGLE_FPU
57         (movsi_internal1_single): New: add pattern to move SI values to/from
58         single-precision FP regs.
59
60 2009-04-15  Richard Guenther  <rguenther@suse.de>
61
62         * omp-low.c (lower_rec_input_clauses): Build correct address
63         expressions.
64         (expand_omp_for_generic): Fix multiplication type.
65         * tree-loop-distribution.c (build_size_arg): Build a
66         size_t argument.
67         (generate_memset_zero): Fix types.
68         * tree-profile.c (prepare_instrumented_value): Correctly
69         widen a pointer.
70
71 2009-04-15  Ian Lance Taylor  <iant@google.com>
72
73         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
74         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
75         for -Wall and for -Wc++-compat.
76         (c_common_post_options): For C++, set warn_enum_compare if not
77         already set.
78         * c-tree.h (struct c_expr): Add field original_type.
79         (build_external_ref): Update declaration.
80         * c-parser.c (c_parser_braced_init): Set original_type.
81         (c_parser_initelt): Likewise.
82         (c_parser_expr_no_commas): Likewise.
83         (c_parser_conditional_expression): Likewise.
84         (c_parser_cast_expression): Likewise.
85         (c_parser_unary_expression): Likewise.  Pull setting of
86         original_code to top of function.
87         (c_parser_sizeof_expression): Set original_type.
88         (c_parser_alignof_expression): Likewise.
89         (c_parser_postfix_expression): Likewise.  Pull setting of
90         original_code to top of function.
91         (c_parser_postfix_expression_after_paren_type): Set
92         original_type.
93         (c_parser_postfix_expression_after_primary): Likewise.
94         (c_parser_expression): Likewise.
95         * c-typeck.c (build_external_ref): Add type parameter.  Change all
96         callers.
97         (c_expr_sizeof_expr): Set original_type field.
98         (parser_build_unary_op): Likewise.
99         (parser_build_binary_op): Likewise.  Optionally warn about
100         comparisons of enums of different types.
101         (digest_init): Set original_type field.
102         (really_start_incremental_init): Likewise.
103         (push_init_level, pop_init_level): Likewise.
104         * doc/invoke.texi (Warning Options): -Wenum-compare now
105         supported in C.
106
107 2009-04-15  Richard Guenther  <rguenther@suse.de>
108
109         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
110         out a necessary conversion.
111         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
112         names we didn't value number.
113         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
114
115 2009-04-15  Richard Guenther  <rguenther@suse.de>
116
117         PR tree-optimization/39764
118         * tree-ssa-ccp.c (get_value): Canonicalize value with
119         canonicalize_float_value.
120
121 2009-04-15  Jan Hubicka  <jh@suse.cz>
122
123         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
124         Wrong version of patch.
125
126 2009-04-15  Jan Hubicka  <jh@suse.cz>
127
128         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
129
130 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
131
132         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
133         our distinct integral and vector types.
134
135 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
136
137         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
138         * init.c (build_vtbl_address): Remove call to assemble_external.
139
140 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
141
142         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
143         output for other floating point modes.
144
145 2009-04-14  Diego Novillo  <dnovillo@google.com>
146
147         * diagnostic.c (diagnostic_report_diagnostic): Do not
148         warn about loaded plugins for DK_ERROR and DK_WARNING.
149         * c-decl.c (declspecs_add_type): Move call to
150         invoke_plugin_callbacks ...
151         * c-parser.c (c_parser_declspecs): ... here.
152         * plugin.c (dump_active_plugins): Tidy output.
153
154 2009-04-14  Diego Novillo  <dnovillo@google.com>
155             Le-Chun Wu  <lcwu@google.com>
156
157         * configure.ac: Add --enable-plugin support.
158         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
159         * Makefile.in (PLUGIN_H): Define.
160         Export ENABLE_PLUGIN and GMPINC to site.exp.
161         Add PLUGINLIBS to link command.
162         Add/modify dependencies for plugin.o and files including plugin.h.
163         (plugin.o): New.
164         * config.in: Regenerate.
165         
166         * opts.c (common_handle_option): Handle OPT_fplugin_ and
167         OPT_fplugin_arg_.
168
169 2009-04-14  Le-Chun Wu  <lcwu@google.com>
170
171         * tree-pass.h (register_one_dump_file): Add a prototype for
172         register_one_dump_file.
173         * toplev.c (compile_file): Call initialize_plugins.
174         (do_compile): Call invoke_plugin_callbacks.
175         (toplev_main): Call invoke_plugin_callbacks.
176         * common.opt: Add -fplugin= and -fplugin-arg-.
177         * gcc-plugin.h: New public header file for plugins to include.
178         * plugin.c: New source file.
179         * plugin.h: New internal header file.
180         * passes.c (register_one_dump_file): Make it external.
181         
182         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
183
184 2009-04-14  Diego Novillo  <dnovillo@google.com>
185
186         * doc/plugins.texi: New.
187         * doc/gccint.texi: Add reference to Plugins chapter.
188         * doc/invoke.texi: Document -fplugin and -fplugin-arg
189         * diagnostic.c (diagnostic_report_diagnostic): Warn about
190         loaded plugins, if any.
191         * timevar.def (TV_PLUGIN_INIT): Define.
192         (TV_PLUGIN_RUN): Define.
193         * plugin.c: Include timevar.h
194         (plugins_active_p): New.
195         (dump_active_plugins): New.
196         (debug_active_plugins): New.
197
198 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
199
200         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
201         library paths.
202         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
203
204 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
205
206         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
207         the same as a minus without a shift.
208
209 2009-04-14  Nick Clifton  <nickc@redhat.com>
210
211         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
212         comparisons with small integers will always produce a short
213         branch.
214
215 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
216
217         Merge:
218
219         2008-12-19  Diego Novillo  <dnovillo@google.com>
220
221                 * cgraph.c (dump_cgraph_node): Show memory address of NODE.
222
223 2000-04-14  Richard Guenther  <rguenther@suse.de>
224
225         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
226         verification.
227         (verify_gimple_assign_binary): Likewise.  Handle shifts and
228         rotates correctly.
229         (verify_gimple_phi): Print the mismatched argument position.
230         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
231         Fix types.
232         (vect_update_init_of_dr): Likewise.
233         * matrix-reorg.c (transform_access_sites): Do what the
234         comment suggests.
235         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
236
237 2009-04-13  Michael Eager <eager@eagercon.com>
238
239         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
240         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
241         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
242         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file, 
243         remove duplicate config
244
245 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
246
247         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
248         file_name:line_number type locator of the call site.
249         
250 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
251
252         * genautomata.c: Put blank after comma.
253         (automaton_decls): New.
254         (struct unit_usage): Add comments to member next.
255         (store_alt_unit_usage): Keep the list ordered.
256         (unit_present_on_list_p, equal_alternatives_p): New.
257         (check_regexp_units_distribution): Check units distribution
258         correctness correctly.
259         (main): Don't write automata if error is found.  Return correct
260         exit code.
261         
262         * config/m68k/cf.md (cfv4_ds): Remove.
263         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
264         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
265
266         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
267         power4-load-ext, power4-store, power4-store-update,
268         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
269         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
270         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
271         power4-sqrt, power4-isync): Modify reservation to make correct
272         unit distribution to automata.
273
274         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
275         power5-store-update, power5-two, power5-three, power5-lmul,
276         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
277         
278 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
279
280         * except.c (pass_set_nothrow_function_flags): Set name and add
281         TODO_dump_func.
282         (set_nothrow_function_flags): Mention in the dump file when
283         changing a function to nothrow.
284
285 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
286
287         PR/39066
288         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
289         instead of unsigned long.
290
291 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
292
293         * config/arm/arm.c (return_used_this_function): Remove.
294         (arm_output_function_prologue): Remove use of
295         return_used_this_function.
296         (output_return_instruction): Replace use of
297         return_used_this_function
298         by cfun->machine->return_used_this_function.
299         (arm_output_epilogue): Likewise.
300         (arm_output_function_epilogue): Likewise.
301         (thumb_unexpanded_epilogue): Likewise.
302         * config/arm/arm.h (struct machine_function):
303         New member return_used_this_function.
304
305 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
306
307         * doc/install.texi: Correct description of default directory for
308         --with-gxx-include-dir.
309
310 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
311
312         * fold-const.c (build_range_check): Properly deal with enumeral and
313         boolean base types.
314
315 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
316
317         * doc/invoke.texi (max_gcse_passes): Remove documentation.
318         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
319         * params.h (MAX_GCSE_PASSES): Remove.
320         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
321         in sequence.  Remove ability to run multiple passes.
322         (bypass_jumps): Report run as third CPROP pass.
323
324 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
325
326         PR middle-end/39651
327         * except.c (can_throw_external): Look at each insn in a SEQUENCE
328         when deciding whether the whole SEQUENCE can throw.
329
330 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
331
332         PR target/39740
333         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
334         offseted label references.
335
336 2009-04-11  Jan Hubicka  <jh@suse.cz>
337
338         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
339
340 2009-04-11  Richard Guenther  <rguenther@suse.de>
341
342         PR middle-end/39732
343         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
344         return variables as TREE_ADDRESSABLE.
345
346 2009-04-11  Richard Guenther  <rguenther@suse.de>
347
348         PR tree-optimization/39713
349         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
350         reference trees have SSA_NAME operands.
351
352 2009-04-11  Richard Guenther  <rguenther@suse.de>
353
354         PR c/39712
355         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
356         address expressions.
357
358 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
359
360         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
361         match changes in Cygwin 1.7
362         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
363         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
364
365 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
366
367         PR tree-optimization/39701
368         * doc/invoke.texi (Optimization Options): Document change in
369         meaning and initialization of -fdelete-null-pointer-checks.
370
371 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
372
373         PR middle-end/39701
374         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
375
376         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
377         here.
378
379         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
380
381 2009-04-10  Chao-ying Fu  <fu@mips.com>
382
383         * doc/tm.texi (Instruction Output): Document
384         TARGET_ASM_FINAL_POSTSCAN_INSN.
385         * target.h (final_postscan_insn): New field in asm_out.
386         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
387         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
388         * final.c (final_scan_insn): Call
389         targetm.asm_out.final_postscan_insn after outputting
390         an asm macro and a normal instruction.
391
392         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
393         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
394         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
395         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
396         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
397
398 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
399
400         PR middle-end/39701
401         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
402         variables as non-NULL even with -fdelete-null-pointer-checks.
403
404 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
405
406         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
407
408 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
409
410         PR target/39678
411         * config/i386/i386.c (classify_argument): Handle SCmode with
412         (bit_offset % 64) != 0.
413
414 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
415
416         * doc/invoke.texi (Optimize Options): Add cross-reference to
417         -Q --help=optimizers examples.
418
419 2009-04-10  Ben Elliston  <bje@au.ibm.com>
420
421         PR target/36800
422         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
423         regalign for the reg == fpr and TDmode case.
424
425 2009-04-09  David Ayers  <ayers@fsfe.org>
426
427         PR objc/29200
428         * objc/objc-act.c (warn_with_method): Remove helper function.
429         (check_duplicates): Call warning and inform directly.
430         (really_start_method): Likewise.
431
432 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
433
434         * expmed.c (expand_divmod): Always use a comparison for a division
435         by a large unsigned integer.
436
437         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
438         for things others than variables or functions as nonzero.
439
440 2009-04-09  Nick Clifton  <nickc@redhat.com>
441
442         * unwind-compat.c: Change copyright header to refer to version
443         3 of the GNU General Public License with version 3.1 of the
444         GCC Runtime Library Exception and to point readers at the
445         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
446         * config/alpha/crtfastmath.c: Likewise.
447         * config/alpha/linux-unwind.h: Likewise.
448         * config/alpha/qrnnd.asm: Likewise.
449         * config/alpha/vms-crt0-64.c: Likewise.
450         * config/alpha/vms-crt0.c: Likewise.
451         * config/alpha/vms-dwarf2.asm: Likewise.
452         * config/alpha/vms-dwarf2eh.asm: Likewise.
453         * config/alpha/vms-psxcrt0-64.c: Likewise.
454         * config/alpha/vms-psxcrt0.c: Likewise.
455         * config/alpha/vms_tramp.asm: Likewise.
456         * config/arc/initfini.c: Likewise.
457         * config/arc/lib1funcs.asm: Likewise.
458         * config/arm/bpabi-v6m.S: Likewise.
459         * config/arm/bpabi.S: Likewise.
460         * config/arm/bpabi.c: Likewise.
461         * config/arm/crti.asm: Likewise.
462         * config/arm/crtn.asm: Likewise.
463         * config/arm/ieee754-df.S: Likewise.
464         * config/arm/ieee754-sf.S: Likewise.
465         * config/arm/lib1funcs.asm: Likewise.
466         * config/arm/libunwind.S: Likewise.
467         * config/arm/linux-atomic.c: Likewise.
468         * config/arm/mmintrin.h: Likewise.
469         * config/arm/pr-support.c: Likewise.
470         * config/arm/unaligned-funcs.c: Likewise.
471         * config/arm/unwind-arm.c: Likewise.
472         * config/arm/unwind-arm.h: Likewise.
473         * config/avr/libgcc.S: Likewise.
474         * config/bfin/crti.s: Likewise.
475         * config/bfin/crtlibid.s: Likewise.
476         * config/bfin/crtn.s: Likewise.
477         * config/bfin/lib1funcs.asm: Likewise.
478         * config/bfin/linux-unwind.h: Likewise.
479         * config/cris/arit.c: Likewise.
480         * config/cris/cris_abi_symbol.c: Likewise.
481         * config/darwin-64.c: Likewise.
482         * config/darwin-crt2.c: Likewise.
483         * config/darwin-crt3.c: Likewise.
484         * config/darwin.h: Likewise.
485         * config/dbxelf.h: Likewise.
486         * config/dfp-bit.c: Likewise.
487         * config/dfp-bit.h: Likewise.
488         * config/elfos.h: Likewise.
489         * config/fixed-bit.c: Likewise.
490         * config/fixed-bit.h: Likewise.
491         * config/fp-bit.c: Likewise.
492         * config/fp-bit.h: Likewise.
493         * config/fr30/crti.asm: Likewise.
494         * config/fr30/crtn.asm: Likewise.
495         * config/fr30/lib1funcs.asm: Likewise.
496         * config/freebsd-spec.h: Likewise.
497         * config/frv/cmovd.c: Likewise.
498         * config/frv/cmovh.c: Likewise.
499         * config/frv/cmovw.c: Likewise.
500         * config/frv/frvbegin.c: Likewise.
501         * config/frv/frvend.c: Likewise.
502         * config/frv/lib1funcs.asm: Likewise.
503         * config/glibc-stdint.h: Likewise.
504         * config/h8300/clzhi2.c: Likewise.
505         * config/h8300/crti.asm: Likewise.
506         * config/h8300/crtn.asm: Likewise.
507         * config/h8300/ctzhi2.c: Likewise.
508         * config/h8300/fixunssfsi.c: Likewise.
509         * config/h8300/lib1funcs.asm: Likewise.
510         * config/h8300/parityhi2.c: Likewise.
511         * config/h8300/popcounthi2.c: Likewise.
512         * config/i386/ammintrin.h: Likewise.
513         * config/i386/att.h: Likewise.
514         * config/i386/avxintrin.h: Likewise.
515         * config/i386/biarch64.h: Likewise.
516         * config/i386/bmmintrin.h: Likewise.
517         * config/i386/cpuid.h: Likewise.
518         * config/i386/cross-stdarg.h: Likewise.
519         * config/i386/crtfastmath.c: Likewise.
520         * config/i386/crtprec.c: Likewise.
521         * config/i386/cygming-crtbegin.c: Likewise.
522         * config/i386/cygming-crtend.c: Likewise.
523         * config/i386/cygwin.asm: Likewise.
524         * config/i386/emmintrin.h: Likewise.
525         * config/i386/gmm_malloc.h: Likewise.
526         * config/i386/gthr-win32.c: Likewise.
527         * config/i386/i386.h: Likewise.
528         * config/i386/immintrin.h: Likewise.
529         * config/i386/linux-unwind.h: Likewise.
530         * config/i386/linux64.h: Likewise.
531         * config/i386/mm3dnow.h: Likewise.
532         * config/i386/mmintrin-common.h: Likewise.
533         * config/i386/mmintrin.h: Likewise.
534         * config/i386/nmmintrin.h: Likewise.
535         * config/i386/pmm_malloc.h: Likewise.
536         * config/i386/pmmintrin.h: Likewise.
537         * config/i386/smmintrin.h: Likewise.
538         * config/i386/sol2-c1.asm: Likewise.
539         * config/i386/sol2-ci.asm: Likewise.
540         * config/i386/sol2-cn.asm: Likewise.
541         * config/i386/sol2-gc1.asm: Likewise.
542         * config/i386/tmmintrin.h: Likewise.
543         * config/i386/unix.h: Likewise.
544         * config/i386/w32-unwind.h: Likewise.
545         * config/i386/wmmintrin.h: Likewise.
546         * config/i386/x86-64.h: Likewise.
547         * config/i386/x86intrin.h: Likewise.
548         * config/i386/xmmintrin.h: Likewise.
549         * config/ia64/crtbegin.asm: Likewise.
550         * config/ia64/crtend.asm: Likewise.
551         * config/ia64/crtfastmath.c: Likewise.
552         * config/ia64/crti.asm: Likewise.
553         * config/ia64/crtn.asm: Likewise.
554         * config/ia64/fde-glibc.c: Likewise.
555         * config/ia64/lib1funcs.asm: Likewise.
556         * config/ia64/linux-unwind.h: Likewise.
557         * config/ia64/quadlib.c: Likewise.
558         * config/ia64/unwind-ia64.c: Likewise.
559         * config/linux.h: Likewise.
560         * config/m32c/m32c-lib1.S: Likewise.
561         * config/m32c/m32c-lib2-trapv.c: Likewise.
562         * config/m32c/m32c-lib2.c: Likewise.
563         * config/m32r/initfini.c: Likewise.
564         * config/m68hc11/larith.asm: Likewise.
565         * config/m68hc11/m68hc11-crt0.S: Likewise.
566         * config/m68k/cf.md: Likewise.
567         * config/m68k/crti.s: Likewise.
568         * config/m68k/crtn.s: Likewise.
569         * config/m68k/lb1sf68.asm: Likewise.
570         * config/m68k/linux-unwind.h: Likewise.
571         * config/mcore/crti.asm: Likewise.
572         * config/mcore/crtn.asm: Likewise.
573         * config/mcore/lib1.asm: Likewise.
574         * config/mips/linux-unwind.h: Likewise.
575         * config/mips/loongson.h: Likewise.
576         * config/mips/mips16.S: Likewise.
577         * config/mmix/crti.asm: Likewise.
578         * config/mmix/crtn.asm: Likewise.
579         * config/pa/fptr.c: Likewise.
580         * config/pa/hpux-unwind.h: Likewise.
581         * config/pa/lib2funcs.asm: Likewise.
582         * config/pa/linux-atomic.c: Likewise.
583         * config/pa/linux-unwind.h: Likewise.
584         * config/pa/milli64.S: Likewise.
585         * config/pa/quadlib.c: Likewise.
586         * config/pa/stublib.c: Likewise.
587         * config/picochip/libgccExtras/adddi3.asm: Likewise.
588         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
589         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
590         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
591         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
592         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
593         * config/picochip/libgccExtras/divmod15.asm: Likewise.
594         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
595         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
596         * config/picochip/libgccExtras/longjmp.asm: Likewise.
597         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
598         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
599         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
600         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
601         * config/picochip/libgccExtras/setjmp.asm: Likewise.
602         * config/picochip/libgccExtras/subdi3.asm: Likewise.
603         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
604         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
605         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
606         * config/rs6000/750cl.h: Likewise.
607         * config/rs6000/altivec.h: Likewise.
608         * config/rs6000/biarch64.h: Likewise.
609         * config/rs6000/crtresfpr.asm: Likewise.
610         * config/rs6000/crtresgpr.asm: Likewise.
611         * config/rs6000/crtresxfpr.asm: Likewise.
612         * config/rs6000/crtresxgpr.asm: Likewise.
613         * config/rs6000/crtsavfpr.asm: Likewise.
614         * config/rs6000/crtsavgpr.asm: Likewise.
615         * config/rs6000/darwin-asm.h: Likewise.
616         * config/rs6000/darwin-fallback.c: Likewise.
617         * config/rs6000/darwin-fpsave.asm: Likewise.
618         * config/rs6000/darwin-ldouble.c: Likewise.
619         * config/rs6000/darwin-tramp.asm: Likewise.
620         * config/rs6000/darwin-unwind.h: Likewise.
621         * config/rs6000/darwin-vecsave.asm: Likewise.
622         * config/rs6000/darwin-world.asm: Likewise.
623         * config/rs6000/e500crtres32gpr.asm: Likewise.
624         * config/rs6000/e500crtres64gpr.asm: Likewise.
625         * config/rs6000/e500crtres64gprctr.asm: Likewise.
626         * config/rs6000/e500crtrest32gpr.asm: Likewise.
627         * config/rs6000/e500crtrest64gpr.asm: Likewise.
628         * config/rs6000/e500crtresx32gpr.asm: Likewise.
629         * config/rs6000/e500crtresx64gpr.asm: Likewise.
630         * config/rs6000/e500crtsav32gpr.asm: Likewise.
631         * config/rs6000/e500crtsav64gpr.asm: Likewise.
632         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
633         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
634         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
635         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
636         * config/rs6000/eabi-ci.asm: Likewise.
637         * config/rs6000/eabi-cn.asm: Likewise.
638         * config/rs6000/eabi.asm: Likewise.
639         * config/rs6000/linux-unwind.h: Likewise.
640         * config/rs6000/linux64.h: Likewise.
641         * config/rs6000/paired.h: Likewise.
642         * config/rs6000/paired.md: Likewise.
643         * config/rs6000/ppc64-fp.c: Likewise.
644         * config/rs6000/ppu_intrinsics.h: Likewise.
645         * config/rs6000/rs6000.h: Likewise.
646         * config/rs6000/si2vmx.h: Likewise.
647         * config/rs6000/sol-ci.asm: Likewise.
648         * config/rs6000/sol-cn.asm: Likewise.
649         * config/rs6000/spe.h: Likewise.
650         * config/rs6000/spu2vmx.h: Likewise.
651         * config/rs6000/sysv4.h: Likewise.
652         * config/rs6000/tramp.asm: Likewise.
653         * config/rs6000/vec_types.h: Likewise.
654         * config/s390/linux-unwind.h: Likewise.
655         * config/s390/tpf-unwind.h: Likewise.
656         * config/score/crti.asm: Likewise.
657         * config/score/crtn.asm: Likewise.
658         * config/sh/crt1.asm: Likewise.
659         * config/sh/crti.asm: Likewise.
660         * config/sh/crtn.asm: Likewise.
661         * config/sh/divtab-sh4-300.c: Likewise.
662         * config/sh/divtab-sh4.c: Likewise.
663         * config/sh/divtab.c: Likewise.
664         * config/sh/lib1funcs-4-300.asm: Likewise.
665         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
666         * config/sh/lib1funcs.asm: Likewise.
667         * config/sh/lib1funcs.h: Likewise.
668         * config/sh/linux-atomic.asm: Likewise.
669         * config/sh/linux-unwind.h: Likewise.
670         * config/sh/shmedia.h: Likewise.
671         * config/sh/sshmedia.h: Likewise.
672         * config/sh/ushmedia.h: Likewise.
673         * config/sparc/crtfastmath.c: Likewise.
674         * config/sparc/linux-unwind.h: Likewise.
675         * config/sparc/sol2-c1.asm: Likewise.
676         * config/sparc/sol2-ci.asm: Likewise.
677         * config/sparc/sol2-cn.asm: Likewise.
678         * config/spu/divmodti4.c: Likewise.
679         * config/spu/divv2df3.c: Likewise.
680         * config/spu/float_disf.c: Likewise.
681         * config/spu/float_unsdidf.c: Likewise.
682         * config/spu/float_unsdisf.c: Likewise.
683         * config/spu/float_unssidf.c: Likewise.
684         * config/spu/mfc_multi_tag_release.c: Likewise.
685         * config/spu/mfc_multi_tag_reserve.c: Likewise.
686         * config/spu/mfc_tag_release.c: Likewise.
687         * config/spu/mfc_tag_reserve.c: Likewise.
688         * config/spu/mfc_tag_table.c: Likewise.
689         * config/spu/multi3.c: Likewise.
690         * config/spu/spu_internals.h: Likewise.
691         * config/spu/spu_intrinsics.h: Likewise.
692         * config/spu/spu_mfcio.h: Likewise.
693         * config/spu/vec_types.h: Likewise.
694         * config/spu/vmx2spu.h: Likewise.
695         * config/stormy16/stormy16-lib2.c: Likewise.
696         * config/svr4.h: Likewise.
697         * config/sync.c: Likewise.
698         * config/v850/lib1funcs.asm: Likewise.
699         * config/vxlib-tls.c: Likewise.
700         * config/vxlib.c: Likewise.
701         * config/vxworks-dummy.h: Likewise.
702         * config/xtensa/crti.asm: Likewise.
703         * config/xtensa/crtn.asm: Likewise.
704         * config/xtensa/ieee754-df.S: Likewise.
705         * config/xtensa/ieee754-sf.S: Likewise.
706         * config/xtensa/lib1funcs.asm: Likewise.
707         * config/xtensa/lib2funcs.S: Likewise.
708         * config/xtensa/linux-unwind.h: Likewise.
709         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
710         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
711         * coretypes.h: Likewise.
712         * crtstuff.c: Likewise.
713         * defaults.h: Likewise.
714         * dwarf2.h: Likewise.
715         * emutls.c: Likewise.
716         * gbl-ctors.h: Likewise.
717         * gcov-io.h: Likewise.
718         * ginclude/float.h: Likewise.
719         * ginclude/iso646.h: Likewise.
720         * ginclude/stdarg.h: Likewise.
721         * ginclude/stdbool.h: Likewise.
722         * ginclude/stddef.h: Likewise.
723         * ginclude/stdfix.h: Likewise.
724         * ginclude/stdint-gcc.h: Likewise.
725         * ginclude/tgmath.h: Likewise.
726         * gthr-aix.h: Likewise.
727         * gthr-dce.h: Likewise.
728         * gthr-gnat.c: Likewise.
729         * gthr-gnat.h: Likewise.
730         * gthr-lynx.h: Likewise.
731         * gthr-mipssde.h: Likewise.
732         * gthr-nks.h: Likewise.
733         * gthr-posix.c: Likewise.
734         * gthr-posix.h: Likewise.
735         * gthr-posix95.h: Likewise.
736         * gthr-rtems.h: Likewise.
737         * gthr-single.h: Likewise.
738         * gthr-solaris.h: Likewise.
739         * gthr-tpf.h: Likewise.
740         * gthr-vxworks.h: Likewise.
741         * gthr-win32.h: Likewise.
742         * gthr.h: Likewise.
743         * libgcc2.c: Likewise.
744         * libgcc2.h: Likewise.
745         * libgcov.c: Likewise.
746         * tsystem.h: Likewise.
747         * typeclass.h: Likewise.
748         * unwind-c.c: Likewise.
749         * unwind-compat.h: Likewise.
750         * unwind-dw2-fde-compat.c: Likewise.
751         * unwind-dw2-fde-darwin.c: Likewise.
752         * unwind-dw2-fde-glibc.c: Likewise.
753         * unwind-dw2-fde.c: Likewise.
754         * unwind-dw2-fde.h: Likewise.
755         * unwind-dw2.c: Likewise.
756         * unwind-dw2.h: Likewise.
757         * unwind-generic.h: Likewise.
758         * unwind-pe.h: Likewise.
759         * unwind-sjlj.c: Likewise.
760         * unwind.inc: Likewise.
761         * config/arm/neon-gen.ml: Change generated copyright header to
762         refer to version 3 of the GNU General Public License with
763         version 3.1 of the GCC Runtime Library Exception and to point
764         readers at the COPYING3 and COPYING3.RUNTIME files and the
765         FSF's license web page.
766         * config/arm/arm_neon.h: Regenerate.
767
768 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
769
770         * config/cris/cris.md: Change copyright header to refer to version
771         3 of the GNU General Public License.
772         * doc/install.texi2html: Change copyright header to refer to version
773         3 of the GNU General Public License and to point readers at the
774         COPYING3 file and the FSF's license web page.
775         * config/vax/linux.h: Likewise.
776
777 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
778
779         * config/i386/i386.md (cmpcc): New.
780         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
781         (sync_compare_and_swap_cc*): Delete.
782
783         * config/s390/s390.c (s390_compare_emitted): Remove.
784         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
785         s390_compare_emitted used to be handled.  Assert that modes match.
786         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
787         refer to sync_compare_and_swap_ccsi.
788         * config/s390/s390.h (s390_compare_emitted): Remove.
789         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
790         instead of s390_compare_emitted.
791         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
792         instead of s390_compare_emitted.
793         * config/s390/s390.md (cmpcc): New.
794         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
795         CC_REGNUM, do not pretend it's set.
796         (sync_compare_and_swap_cc*): Delete.
797         * config/s390/predicates.md (cc_reg_operand): New.
798
799         * expr.c (sync_compare_and_swap_cc): Delete.
800         * optabs.h (sync_compare_and_swap_cc): Delete.
801         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
802         is being used with can_compare_p.
803         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
804         (find_cc_set): New.
805         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
806         look for a MODE_CC set instead.  Use emit_store_flag.
807         (expand_compare_and_swap_loop): Likewise, with some additional
808         complication to avoid a force_reg when useless.  Use
809         emit_cmp_and_jump_insns.
810         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
811         * doc/md.texi (sync_compare_and_swap_cc): Merge with
812         sync_compare_and_swap documentation.
813
814 2009-04-09  Jan Hubicka  <jh@suse.cz>
815
816         * except.c (find_prev_try): Break out from ....
817         (duplicate_eh_regions): ... here; properly update prev_try pointers
818         when duplication part of tree.
819         (dump_eh_tree): Improve dumping.
820         (verify_eh_region): New.
821         (verify_eh_tree): Use it.
822
823 2009-04-06  Richard Guenther  <rguenther@suse.de>
824
825         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
826         &ARRAY addresses by adjusting their types and prepending
827         a conversion.
828         * tree-cfg.c (verify_gimple_assign_single): Verify that
829         addresses are correct.
830
831 2009-04-09  Richard Guenther  <rguenther@suse.de>
832
833         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
834         indices into an array reference if possible.
835         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
836         Fold POINTER_PLUS_EXPR statements with invariant address.
837
838 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
839
840         PR target/39634
841         * config.gcc (powerpc64-*-linux*): Always build biarch.
842
843 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
844
845         PR c/39613
846         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
847         it and pedwarn if this results in an INTEGER_CST.
848
849 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
850
851         * doc/install.texi: Update minimum GMP version.  Remove obsolete
852         text in MPFR section.
853
854 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
855
856         * dwarf2out.c (class_scope_p): New static inline.
857         (class_or_namespace_scope_p): Use it.
858         (gen_variable_die): Use DW_TAG_member tag for static data member
859         declarations instead of DW_TAG_variable.
860
861         PR middle-end/39573
862         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
863         variables.
864
865 2009-04-08  Richard Guenther  <rguenther@suse.de>
866
867         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
868         valueize random data.
869
870 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
871
872         * config.gcc (aix tm_file):  Add aix-stdint.h.
873         (aix tm clause use_gcc_stdint):  Set to wrap.
874         * config/rs6000/aix-stdint.h:  New file.
875         
876 2009-04-08  Richard Guenther  <rguenther@suse.de>
877
878         PR middle-end/36291
879         * tree-dfa.c (add_referenced_var): Do not recurse into
880         global initializers.
881         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
882         exposed variables.
883         (fold_const_aggregate_ref): Likewise.
884
885 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
886
887         * recog.c (ordered_comparison_operator): New.
888         * gensupport.c (std_preds): Add it.
889         * doc/md.texi (Machine-Independent Predicates): Document it.
890
891 2009-04-08  Jan Hubicka  <jh@suse.cz>
892
893         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
894         * function.h (rtl_eh): Remove exception_handler_label_map.
895         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
896         remove_exception_handler_label, for_each_eh_label_1): Remove.
897         (rtl_remove_unreachable_regions): Remove.
898         (convert_from_eh_region_ranges): Do not remove unreachable regions.
899         (find_exception_handler_labels): Don't build the hashtable.
900         (maybe_remove_eh_handler): Remove.
901         (for_each_eh_label): Rewrite to walk the tree.
902         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
903         * except.h (maybe_remove_eh_handler): Remove.
904         * passes.c (init_optimization_passes): Schedule second EH cleanup
905         before out-of-ssa.
906         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
907         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
908
909 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
910
911         * genoutput.c (validate_optab_operands): New.
912         (gen_insn, gen_expand): Call it.
913
914         * genflags.c (gen_insn): Detect misused iterators.
915         (main): Pass line_no to gen_insn, exit with status 1 on error.
916
917         * genextract.c (line_no): Make global.
918         (VEC_safe_set_locstr): Change assertion to error message.
919         (main): Exit with status 1 on error.
920
921 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
922
923         PR c/39614
924         PR c/39673
925         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
926         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
927         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
928         * c-convert.c (convert): Do not call fold on results of conversion
929         functions when the result is a C_MAYBE_CONST_EXPR.
930         * c-parser.c (c_parser_postfix_expression): Do not fold condition
931         of __builtin_choose_expr.
932         * c-typeck.c (remove_c_maybe_const_expr): New.
933         (build_unary_op, build_conditional_expr, build_compound_expr,
934         build_binary_op, c_objc_common_truthvalue_conversion): Call
935         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
936         integer operands.
937
938 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
939
940         * fold-const.c (const_binop): Combine two VECTOR_CST under operation 
941         CODE to produce a new one. Add a prototype to use fold_convert_const
942
943 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
944
945         PR bootstrap/39660
946         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
947         mix declarations and code.
948
949 2009-04-08  Ben Elliston  <bje@au.ibm.com>
950
951         * gcc.c: Replace `CC' with `GCC' throughout.
952
953 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
954
955         * doc/invoke.texi: Document Atom support.
956
957 2009-04-07  Jason Merrill  <jason@redhat.com>
958
959         PR c++/25185
960         * c-common.h, c-common.c: Add flag_pretty_templates.
961         * c-opts.c (c_common_handle_option): Set it.
962         * c.opt: Add -fno-pretty-templates.
963         * doc/invoke.texi (C++ Dialect Options): Likewise.
964
965 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
966
967         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
968         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
969         (ia64_expand_builtin): Likewise.
970
971 2009-04-07  Martin Jambor  <mjambor@suse.cz>
972
973         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
974         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
975         ADDR_EXPRS are include too.
976
977 2009-04-07  Richard Guenther  <rguenther@suse.de>
978
979         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
980         decls are only used if passes as parameters or if they are
981         local statics and the call is not to a builtin.
982         (call_may_clobber_ref_p_1): Likewise.
983
984 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
985
986         * expr.c (do_store_flag): Remove last argument.  Simplify code
987         to avoid duplication of tests already done by can_compare_p.
988         (expand_expr_real_1): Adjust caller.
989
990 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
991
992         * optabs.c (can_compare_p): Test the predicate of a
993         cbranch and cstore pattern.
994
995 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
996
997         * expr.c (convert_move): Use emit_store_flag instead of
998         "emulating" it.
999
1000 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1001
1002         * config/i386/i386.c (ix86_compare_emitted): Remove.
1003         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
1004         ix86_compare_op0 like ix86_compare_emitted used to be handled.
1005         * config/i386/i386.h (ix86_compare_emitted): Remove.
1006         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
1007         instead of ix86_compare_emitted.
1008         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
1009
1010 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
1011
1012         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
1013         Add t-sysroot-suffix to tmake_file.
1014         * config/print-sysroot-suffix.sh: New file.
1015         * config/t-sysroot-suffix: New file.
1016
1017 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1018
1019         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
1020         as the latter produces a warning when the target does not support
1021         infinity.
1022
1023 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1024
1025         * dfp.c: Replace type punning assignments with memcpy throughout.
1026         * Makefile.in (dfp.o-warn): Remove.
1027         
1028 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
1029
1030         PR target/39634
1031         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
1032         Include soft-fp/t-softfp after rs6000/t-linux64.
1033
1034 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1035
1036         * stor-layout.c (set_sizetype): Use the full precision of their
1037         machine mode for bitsize types.
1038
1039 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
1040
1041         * config/i386/i386.md: Revert 2 accidental checkins.
1042
1043 2009-04-06  Joey Ye  <joey.ye@intel.com>
1044             Xuepeng Guo <xuepeng.guo@intel.com>
1045             H.J. Lu  <hongjiu.lu@intel.com>
1046
1047         Atom pipeline model, tuning and insn selection.
1048         * config.gcc (atom): Add atom config options and target.
1049
1050         * config/i386/atom.md: New.
1051
1052         * config/i386/i386.c (atom_cost): New cost.
1053         (m_ATOM): New macro flag.
1054         (initial_ix86_tune_features): Set m_ATOM.
1055         (x86_accumulate_outgoing_args): Likewise.
1056         (x86_arch_always_fancy_math_387): Likewise.
1057         (processor_target): Add Atom cost.
1058         (cpu_names): Add Atom cpu name.
1059         (override_options): Set Atom ISA.
1060         (ix86_issue_rate): New case PROCESSOR_ATOM.
1061         (ix86_adjust_cost): Likewise.
1062
1063         * config/i386/i386.h (TARGET_ATOM): New target macro.
1064         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1065         (TARGET_OPT_AGU): New target option.
1066         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1067         (processor_type): Add PROCESSOR_ATOM.
1068
1069         * config/i386/i386.md (cpu): Add new value "atom".
1070         (use_carry, movu): New attr.
1071         (atom.md): Include atom.md.
1072         (adddi3_carry_rex64): Set attr "use_carry".
1073         (addqi3_carry): Likewise.
1074         (addhi3_carry): Likewise.
1075         (addsi3_carry): Likewise.
1076         (*addsi3_carry_zext): Likewise.
1077         (subdi3_carry_rex64): Likewise.
1078         (subqi3_carry): Likewise.
1079         (subhi3_carry): Likewise.
1080         (subsi3_carry): Likewise.
1081         (x86_movdicc_0_m1_rex64): Likewise.
1082         (*x86_movdicc_0_m1_se): Likewise.
1083         (x86_movsicc_0_m1): Likewise.
1084         (*x86_movsicc_0_m1_se): Likewise.
1085         (*adddi_1_rex64): Emit add insn as much as possible.
1086         (*addsi_1): Likewise.
1087         (return_internal): Set atom_unit.
1088         (return_internal_long): Likewise.
1089         (return_pop_internal): Likewise.
1090         (*rcpsf2_sse): Set atom_sse_attr attr.
1091         (*qrt<mode>2_sse): Likewise.
1092         (*prefetch_sse): Likewise.
1093
1094         * config/i386/i386-c.c (ix86_target_macros_internal): New case
1095         PROCESSOR_ATOM.
1096         (ix86_target_macros_internal): Likewise.
1097
1098         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1099         (*prefetch_sse_rex): Likewise.
1100         (sse_rcpv4sf2): Likewise.
1101         (sse_vmrcpv4sf2): Likewise.
1102         (sse_sqrtv4sf2): Likewise.
1103         (<sse>_vmsqrt<mode>2): Likewise.
1104         (sse_ldmxcsr): Likewise.
1105         (sse_stmxcsr): Likewise.
1106         (*sse_sfence): Likewise.
1107         (sse2_clflush): Likewise.
1108         (*sse2_mfence): Likewise.
1109         (*sse2_lfence): Likewise.
1110         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1111         (<sse>_movup<ssemodesuffixf2c>): Likewise.
1112         (avx_movdqu<avxmodesuffix>): Likewise.
1113         (avx_lddqu<avxmodesuffix>): Likewise.
1114         (sse2_movntv2di): Change attr "type" to "ssemov".
1115         (sse2_movntsi): Likewise.
1116         (rsqrtv8sf2): Change attr "type" to "sseadd".
1117         (sse3_addsubv2df3): Set attr "atom_unit".
1118         (sse3_h<plusminus_insn>v4sf3): Likewise.
1119         (*sse2_pmaddwd): Likewise.
1120         (*vec_extractv2di_1_rex64): Likewise.
1121         (*vec_extractv2di_1_avx): Likewise.
1122         (sse2_psadbw): Likewise.
1123         (ssse3_phaddwv8hi3): Likewise.
1124         (ssse3_phaddwv4hi3): Likewise.
1125         (ssse3_phadddv4si3): Likewise.
1126         (ssse3_phadddv2si3): Likewise.
1127         (ssse3_phaddswv8hi3): Likewise.
1128         (ssse3_phaddswv4hi3): Likewise.
1129         (ssse3_phsubwv8hi3): Likewise.
1130         (ssse3_phsubwv4hi3): Likewise.
1131         (ssse3_phsubdv4si3): Likewise.
1132         (ssse3_phsubdv2si3): Likewise.
1133         (ssse3_phsubswv8hi3): Likewise.
1134         (ssse3_phsubswv4hi3): Likewise.
1135         (ssse3_pmaddubsw128): Likewise.
1136         (sse3_pmaddubsw: Likewise.
1137         (ssse3_palignrti): Likewise.
1138         (ssse3_palignrdi): Likewise.
1139
1140 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
1141
1142         * doc/install.texi (Specific): Fix two cross-references to MinGW.
1143
1144 2009-04-06  Richard Guenther  <rguenther@suse.de>
1145
1146         PR tree-optimization/28868
1147         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1148         of which PHI results we inserted.
1149         (insert_into_preds_of_block): Record inserted PHIs.
1150         (eliminate): Eliminate redundant PHI nodes.
1151         (init_pre): Init inserted_phi_names.
1152
1153 2009-04-06  Richard Guenther  <rguenther@suse.de>
1154
1155         PR tree-optimization/39643
1156         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1157         IMAGPART_EXPRs of complex constants.
1158         (execute_fold_all_builtins): If we folded a call queue
1159         TODO_update_address_taken.
1160
1161 2009-04-06  Jan Hubicka  <jh@suse.cz>
1162
1163         PR middle-end/39659
1164         * except.c (remove_unreachable_regions): Propagate may_contain_throw
1165         flag.
1166
1167 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
1168
1169         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1170         delay slot.
1171         (ic_invalidate_array): Likewise.
1172
1173 2009-04-06  Hariharan Sandanagobalane <hariharan@picochip.com>
1174
1175         * calls.c (emit_library_call_value_1): Fix a problem with parameter
1176         alignment for library calls.
1177
1178 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
1179
1180         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
1181         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
1182         * config/i386/mingw-stdint.h:  New file.
1183
1184 2009-04-05  Richard Guenther  <rguenther@suse.de>
1185
1186         PR tree-optimization/39648
1187         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1188         our &A vs. &A[0] IL deficiencies.
1189
1190 2009-04-04  Jan Hubicka  <jh@suse.cz>
1191
1192         * except.c (sjlj_find_directly_reachable_regions): Be ready for
1193         removed toplevel regions.
1194         (sjlj_mark_call_sites): Likewise.
1195
1196 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
1197
1198         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
1199         (cygwin tm clause use_gcc_stdint):  Set to wrap.
1200         * config/i386/cygwin-stdint.h:  New file.
1201
1202 2009-04-04  Richard Guenther  <rguenther@suse.de>
1203
1204         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1205         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1206         single-argument PHIs if we are in loop-closed SSA form.
1207         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1208         for the pre-condition.
1209         (slpeel_tree_peel_loop_to_edge): Likewise.
1210         (vect_build_loop_niters): Take an optional sequence to append stmts.
1211         (vect_generate_tmps_on_preheader): Likewise.
1212         (vect_do_peeling_for_loop_bound): Take extra guards for the
1213         pre-condition.
1214         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
1215         the cost model check.
1216         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1217         guards if we are going to peel.  Do not apply versioning in that case.
1218         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1219         (vect_do_peeling_for_loop_bound): Likewise.
1220         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1221         loop bound only record extra pre-conditions, do not apply loop
1222         versioning.
1223
1224 2009-04-04  Richard Guenther  <rguenther@suse.de>
1225
1226         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1227         renaming code.
1228
1229 2009-04-04  Jan Hubicka  <jh@suse.cz>
1230
1231         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1232         last_basic_block for size of bb->index indexed array.
1233         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1234         compute_out, link_btr_uses, build_btr_def_use_webs,
1235         build_btr_def_use_webs, migrate_btr_defs): Likewise.
1236
1237 2009-04-04  Jan Hubicka  <jh@suse.cz>
1238
1239         * except.c (remove_eh_handler_and_replace): Break out from ...
1240         (remove_eh_handler): ... here.
1241         (bring_to_root): New function.
1242         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1243         handled ones, bring others to root of tree.
1244
1245 2009-04-04  Jan Hubicka  <jh@suse.cz>
1246
1247         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1248         (all_phis_safe_to_merge): New function.
1249         (update_info): New structure.
1250         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1251         (cleanup_empty_eh): Update SSA if possible.
1252
1253 2009-04-04  Richard Guenther  <rguenther@suse.de>
1254
1255         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1256         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1257         (append_vuse): Likewise.
1258
1259 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
1260
1261         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1262         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1263         instead of REG_UNSAVED for DW_CFA_undefined.
1264         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1265         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1266         outermost frame.
1267
1268 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
1269
1270         PR target/39501
1271         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1272         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1273         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1274
1275 2009-04-04  Richard Guenther  <rguenther@suse.de>
1276
1277         PR tree-optimization/8781
1278         PR tree-optimization/37892
1279         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1280         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1281         (valueize_refs): Call it for *& valueizations.
1282         (shared_reference_ops_from_ref): Rename to ...
1283         (valueize_shared_reference_ops_from_ref): ... this and valueize.
1284         (shared_reference_ops_from_call): Rename to ...
1285         (valueize_shared_reference_ops_from_call): ... this and valueize.
1286         (vn_reference_lookup): Update.
1287         (visit_reference_op_call): Likewise.
1288         * tree-ssa-pre.c (phi_translate_1): Fold *&.
1289         (eliminate): Value-replace the call address in call statements.
1290
1291 2009-04-04  Richard Guenther  <rguenther@suse.de>
1292
1293         PR tree-optimization/39636
1294         * tree-ssa-forwprop.c
1295         (forward_propagate_addr_into_variable_array_index): Check for
1296         GIMPLE_ASSIGN before accessing the rhs code.
1297
1298 2009-04-03  Jason Merrill  <jason@redhat.com>
1299
1300         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1301
1302 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
1303
1304         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1305         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1306         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1307         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1308         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1309         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1310         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1311         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1312         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1313         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1314         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1315         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1316         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1317         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1318         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1319         Use fr_reg_or_fp01_operand instead of fr_register_operand
1320
1321         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1322         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1323         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1324
1325 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
1326
1327         PR rtl-optimization/39607
1328         PR rtl-optimization/39631
1329
1330         Revert:
1331         
1332         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
1333         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1334         instead of DF_LR_OUT.
1335         * ira-lives.c (process_bb_node_lives): Ditto.
1336         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1337         instead of DF_LR_{OUT,IN}.
1338         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1339         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1340
1341 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
1342
1343         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1344         (execute_lower_omp): Always run but take the short way out if -fopenmp
1345         is not given.
1346         (gate_lower_omp): Remove, forcing the pass manager to always run the
1347         pass and always set PROP_gimple_lomp.
1348         (pass_lower_omp): Remove gate function.
1349         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1350         PROP_trees.  Instead, require it.
1351         * ipa-cp.c (pass_ipa_cp): Likewise.
1352         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1353         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1354         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1355         and PROP_gimple_leh.
1356
1357 2009-04-03  Richard Guenther  <rguenther@suse.de>
1358
1359         PR middle-end/13146
1360         PR tree-optimization/23940
1361         PR tree-optimization/33237
1362         PR middle-end/33974
1363         PR middle-end/34093
1364         PR tree-optimization/36201
1365         PR tree-optimization/36230
1366         PR tree-optimization/38049
1367         PR tree-optimization/38207
1368         PR tree-optimization/38230
1369         PR tree-optimization/38301
1370         PR tree-optimization/38585
1371         PR middle-end/38895
1372         PR tree-optimization/38985
1373         PR tree-optimization/39299
1374         * tree-ssa-structalias.h: Remove.
1375         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1376         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1377         (struct vuse_element_d): Remove.
1378         (struct vuse_vec_d): Likewise.
1379         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1380         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1381         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1382         VUSE_ELEMENT_VAR): Likewise.
1383         (struct voptype_d): Likewise.
1384         (NUM_VOP_FREE_BUCKETS): Likewise.
1385         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1386         (struct stmt_operands_d): Remove.
1387         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1388         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1389         VDEF_NUM, VDEF_VECT): Likewise.
1390         (copy_virtual_operands): Remove.
1391         (operand_build_cmp): Likewise.
1392         (create_ssa_artificial_load_stmt): Likewise.
1393         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1394         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1395         vuse_index and mayuse_index members.  Pack and move done and iter_type
1396         members to the front.
1397         (SSA_OP_VMAYUSE): Remove.
1398         (SSA_OP_VIRTUAL_USES): Adjust.
1399         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1400         (unlink_stmt_vdef): Declare.
1401         (add_to_addressable_set): Remove.
1402         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1403         (vrp_visit_stmt): Likewise.
1404         * doc/tree-ssa.texi (Alias analysis): Update.
1405         * doc/invoke.texi (max-aliased-vops): Remove docs.
1406         (avg-aliased-vops): Likewise.
1407         * tree-into-ssa.c (syms_to_rename): Remove.
1408         (need_to_update_vops_p): Likewise.
1409         (need_to_initialize_update_ssa_p): Rename to ...
1410         (update_ssa_initialized_fn): ... this.  Track function we are
1411         initialized for.
1412         (symbol_marked_for_renaming): Simplify.
1413         (add_new_name_mapping): Do not set need_to_update_vops_p.
1414         (dump_currdefs): Use SYMS_TO_RENAME.
1415         (rewrite_update_stmt): Always walk all uses/defs.
1416         (dump_update_ssa): Adjust.
1417         (init_update_ssa): Take function argument.  Track what we are
1418         initialized for.
1419         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1420         (create_new_def_for): Initialize for cfun, assert we are initialized
1421         for cfun.
1422         (mark_sym_for_renaming): Simplify.
1423         (mark_set_for_renaming): Do not initialize update-ssa.
1424         (need_ssa_update_p): Simplify.  Take function argument.
1425         (name_mappings_registered_p): Assert we ask for the correct function.
1426         (name_registered_for_update_p): Likewise.
1427         (ssa_names_to_replace): Likewise.
1428         (release_ssa_name_after_update_ssa): Likewise.
1429         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
1430         (dump_decl_set): Do not print a newline.
1431         (debug_decl_set): Do it here.
1432         (dump_update_ssa): And here.
1433         * tree-ssa-loop-im.c (move_computations): Adjust.
1434         (movement_possibility): Likewise.
1435         (determine_max_movement): Likewise.
1436         (gather_mem_refs_stmt): Likewise.
1437         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1438         or NAME_MEMORY_TAG.
1439         * tree-complex.c (update_all_vops): Remove.
1440         (expand_complex_move): Adjust.
1441         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1442         Simplify test for memory referencing statement.  Exclude
1443         non-invariant ADDR_EXPRs.
1444         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1445         * tree-loop-distribution.c (generate_memset_zero): Adjust.
1446         (rdg_flag_uses): Likewise.
1447         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1448         related code.
1449         (tree_optimize_tail_calls_1): Also split the
1450         edge from the entry block if we have degenerate PHI nodes in
1451         the first basic block.
1452         * tree.c (init_ttree): Remove memory-tag related code.
1453         (tree_code_size): Likewise.
1454         (tree_node_structure): Likewise.
1455         (build7_stat): Re-write to be build6_stat.
1456         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1457         (SSA_VAR_P): Adjust.
1458         (struct tree_memory_tag): Remove.
1459         (struct tree_memory_partition_tag): Likewise.
1460         (union tree_node): Adjust.
1461         (build7): Re-write to be build6.
1462         * tree-pass.h (pass_reset_cc_flags): Remove.
1463         (TODO_update_address_taken): New flag.
1464         (pass_simple_dse): Remove.
1465         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1466         * params.h (MAX_ALIASED_VOPS): Remove.
1467         (AVG_ALIASED_VOPS): Likewise.
1468         * omp-low.c (expand_omp_taskreg): Update SSA form.
1469         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1470         aliases the lhs in a copy stmt.
1471         * tree-ssa-dse.c (struct address_walk_data): Remove.
1472         (memory_ssa_name_same): Likewise.
1473         (memory_address_same): Likewise.
1474         (get_kill_of_stmt_lhs): Likewise.
1475         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
1476         unused stores.  Look through PHI nodes into post-dominated regions.
1477         (dse_optimize_stmt): Simplify.  Properly remove stores.
1478         (tree_ssa_dse): Compute dominators.
1479         (execute_simple_dse): Remove.
1480         (pass_simple_dse): Likewise.
1481         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1482         gimple_loaded_syms and gimple_stored_syms computation.
1483         * toplev.c (dump_memory_report): Dump alias and pta stats.
1484         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1485         (vn_reference_eq): Likewise.
1486         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1487         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1488         valueize_vuses): Remove.
1489         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
1490         (get_def_ref_stmt_vuse): ... this.
1491         (vn_reference_lookup_2): New function.
1492         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1493         walking equivalent vuses.  Simplify.
1494         (vn_reference_lookup): Likewise.
1495         (vn_reference_insert): Likewise.
1496         (vn_reference_insert_pieces): Likewise.
1497         (visit_reference_op_call): Simplify.
1498         (visit_reference_op_load): Likewise.
1499         (visit_reference_op_store): Likewise.
1500         (init_scc_vn): Remove shared_lookup_vuses initialization.
1501         (free_scc_vn): Remove shared_lookup_vuses freeing.
1502         (sort_vuses, sort_vuses_heap): Remove.
1503         (get_ref_from_reference_ops): Export.
1504         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1505         vector with single vuse pointer.
1506         (vn_reference_lookup_pieces, vn_reference_lookup,
1507         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1508         (shared_vuses_from_stmt): Remove.
1509         (get_ref_from_reference_ops): Declare.
1510         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1511         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1512         memory-tag related code.
1513         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1514         (likely_value): Add comment, skip static-chain of call statements.
1515         (surely_varying_stmt_p): Adjust.
1516         (gimplify_and_update_call_from_tree): Likewise.
1517         (execute_fold_all_builtins): Do not rebuild alias info.
1518         (gimplify_and_update_call_from_tree): Properly update VOPs.
1519         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1520         (copy_ref_info): Remove memory-tag related code.
1521         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1522         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1523         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1524         computation.
1525         * tree-ssa-dom.c (gimple_p): Remove typedef.
1526         (eliminate_redundant_computations): Adjust.
1527         (record_equivalences_from_stmt): Likewise.
1528         (avail_expr_hash): Likewise.
1529         (avail_expr_eq): Likewise.
1530         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1531         (stmt_makes_single_load): Likewise.
1532         (stmt_makes_single_store): Likewise.
1533         * tree-ssa-alias.c: Rewrite completely.
1534         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1535         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1536         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1537         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1538         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1539         Remove public functions.
1540         (pass_reset_cc_flags): Remove.
1541         (pass_build_alias): Move ...
1542         * tree-ssa-structalias.c (pass_build_alias): ... here.
1543         * tree-ssa-alias.c (may_be_aliased): Move ...
1544         * tree-flow-inline.h (may_be_aliased): ... here.
1545         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1546         count_uses_and_derefs): Move ...
1547         * gimple.c: ... here.
1548         * gimple.h (count_uses_and_derefs): Declare.
1549         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1550         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1551         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1552         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1553         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1554         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1555         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1556         New functions.
1557         * tree-dfa.c (refs_may_alias_p): Move ...
1558         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
1559         * tree-ssa-alias.h: New file.
1560         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1561         (statement_sink_location): Likewise.
1562         * opts.c (decode_options): Do not adjust max-aliased-vops or
1563         avg-aliased-vops values.
1564         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1565         (TV_CALL_CLOBBER): Likewise.
1566         (TV_FLOW_SENSITIVE): Likewise.
1567         (TV_FLOW_INSENSITIVE): Likewise.
1568         (TV_MEMORY_PARTITIONING): Likewise.
1569         (TV_ALIAS_STMT_WALK): New timevar.
1570         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1571         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1572         (get_address_description): Remove memory-tag related code.
1573         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1574         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1575         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1576         and immediate uses in statements.  Document.
1577         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
1578         (dump_symbols): Remove.
1579         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
1580         * alias.c (get_deref_alias_set): New function split out from ...
1581         (get_alias_set): ... here.
1582         * alias.h (get_deref_alias_set): Declare.
1583         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
1584         type parameter.  Remove restrict pointer handling.  Create a
1585         ref-all pointer in case type-based alias sets do not conflict.
1586         (vect_analyze_data_refs): Remove SMT related code.
1587         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
1588         (vectorizable_load): Likewise.
1589         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
1590         (DR_SYMBOL_TAG, DR_VOPS): Remove.
1591         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
1592         Ignore vops and SMTs.
1593         (dr_analyze_alias): Likewise..
1594         (free_data_ref): Likewise.
1595         (create_data_ref): Likewise.
1596         (analyze_all_data_dependences): Likewise.
1597         (get_references_in_stmt): Adjust.
1598         * tree-flow-inline.h (gimple_aliases_computed_p,
1599         gimple_addressable_vars, gimple_call_clobbered_vars,
1600         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
1601         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
1602         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
1603         gimple_mem_ref_stats): Remove.
1604         (gimple_vop): New function.
1605         (op_iter_next_use): Remove vuses and mayuses cases.
1606         (op_iter_next_def): Remove vdefs case.
1607         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
1608         (clear_and_done_ssa_iter): Do not set removed fields.
1609         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
1610         Assert we are not iterating over vuses or vdefs if not also
1611         iterating over uses or defs.
1612         (op_iter_init_use): Likewise.
1613         (op_iter_init_def): Likewise.
1614         (op_iter_next_vdef): Remove.
1615         (op_iter_next_mustdef): Likewise.
1616         (op_iter_init_vdef): Likewise.
1617         (compare_ssa_operands_equal): Likewise.
1618         (link_use_stmts_after): Handle vuse operand.
1619         (is_call_used): Use is_call_clobbered.
1620         (is_call_clobbered): Global variables are always call clobbered,
1621         query the call-clobbers bitmap.
1622         (mark_call_clobbered): Ignore global variables.
1623         (clear_call_clobbered): Likewise.
1624         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
1625         virtual operands sanity check.
1626         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
1627         Remove.
1628         (TARGET_MEM_REF): Remove TMR_TAG operand.
1629         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
1630         Remove call-clobber related code.
1631         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
1632         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
1633         partitions or escape reason.
1634         (get_single_def_stmt, get_single_def_stmt_from_phi,
1635         get_single_def_stmt_with_phi): Remove.
1636         (dump_referenced_vars): Tidy.
1637         (get_ref_base_and_extent): Allow bare decls.
1638         (collect_dfa_stats): Adjust.
1639         * graphite.c (rename_variables_in_stmt): Adjust.
1640         (graphite_copy_stmts_from_block): Likewise.
1641         (translate_clast): Likewise.
1642         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
1643         (EXPR_DIES): New.
1644         (translate_vuse_through_block): Use the oracle.
1645         (phi_translate_1): Adjust.
1646         (value_dies_in_block_x): Use the oracle.  Cache the outcome
1647         in EXPR_DIES.
1648         (valid_in_sets): Check if the VUSE for
1649         a REFERENCE is available.
1650         (eliminate): Do not remove stmts during elimination,
1651         instead queue and remove them afterwards.
1652         (do_pre): Do not rebuild alias info.
1653         (pass_pre): Run TODO_rebuild_alias before PRE.
1654         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
1655         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
1656         (mark_all_v_defs_stmt): Remove.
1657         (mark_all_v_defs_seq): Adjust.
1658         (sra_replace): Likewise.
1659         (scalarize_use): Likewise.
1660         (scalarize_copy): Likewise.
1661         (scalarize_init): Likewise.
1662         (scalarize_ldst): Likewise.
1663         (todoflags): Remove.
1664         (tree_sra): Do not rebuild alias info.
1665         (tree_sra_early): Adjust.
1666         (pass_sra): Run TODO_update_address_taken before SRA.
1667         * tree-predcom.c (set_alias_info): Remove.
1668         (prepare_initializers_chain): Do not call it.
1669         (mark_virtual_ops_for_renaming): Adjust.
1670         (mark_virtual_ops_for_renaming_list): Remove.
1671         (initialize_root_vars): Adjust.
1672         (initialize_root_vars_lm): Likewise.
1673         (prepare_initializers_chain): Likewise.
1674         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
1675         (may_propagate_copy_into_stmt): Likewise.
1676         (merge_alias_info): Do nothing for now.
1677         (propagate_tree_value_into_stmt): Adjust.
1678         (stmt_may_generate_copy): Likewise.
1679         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
1680         not mark symbols for renaming.
1681         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
1682         with the same statement, make sure to update the new pointed-to one.
1683         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
1684         call statements, do not mark symbols for renaming.
1685         (mark_operand_necessary): Dump something.
1686         (ref_may_be_aliased): New function.
1687         (mark_aliased_reaching_defs_necessary_1): New helper function.
1688         (mark_aliased_reaching_defs_necessary): Likewise.
1689         (mark_all_reaching_defs_necessary_1): Likewise.
1690         (mark_all_reaching_defs_necessary): Likewise.
1691         (propagate_necessity): Do not process virtual PHIs.  For
1692         non-aliased loads mark all reaching definitions as necessary.
1693         For aliased loads and stores mark the immediate dominating
1694         aliased clobbers as necessary.
1695         (visited): New global static.
1696         (perform_tree_ssa_dce): Free visited bitmap after propagating
1697         necessity.
1698         (remove_dead_phis): Perform simple dead virtual PHI removal.
1699         (remove_dead_stmt): Properly unlink virtual operands when
1700         removing stores.
1701         (eliminate_unnecessary_stmts): Schedule PHI removal after
1702         stmt removal.
1703         * tree-ssa-ter.c (is_replaceable_p): Adjust.
1704         (process_replaceable): Likewise.
1705         (find_replaceable_in_bb): Likewise.
1706         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
1707         based on the single gimple vop.
1708         (verify_flow_insensitive_alias_info): Remove.
1709         (verify_flow_sensitive_alias_info): Likewise.
1710         (verify_call_clobbering): Likewise.
1711         (verify_memory_partitions): Likewise.
1712         (verify_alias_info): Likewise.
1713         (verify_ssa): Adjust..
1714         (execute_update_addresses_taken): Export.  Update SSA
1715         manually.  Optimize only when optimizing.  Use a local bitmap.
1716         (pass_update_address_taken): Remove TODO_update_ssa, add
1717         TODO_dump_func.
1718         (pass_update_address_taken): Just use TODO_update_address_taken.
1719         (init_tree_ssa): Do not initialize addressable_vars.
1720         (verify_ssa): Verify new VUSE / VDEF properties.
1721         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
1722         Do not call verify_alias_info.
1723         (delete_tree_ssa): Clear the VUSE, VDEF operands.
1724         Do not free the loaded and stored syms bitmaps.  Reset the escaped
1725         and callused solutions.  Do not free addressable_vars.
1726         Remove memory-tag related code.
1727         (warn_uninitialized_var): Aliases are always available.
1728         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
1729         * lambda-code.c (can_put_in_inner_loop): Adjust.
1730         (can_put_after_inner_loop): Likewise.
1731         (perfect_nestify): Likewise.
1732         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
1733         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
1734         (vectorizable_conversion): Do not mark symbols for renaming.
1735         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
1736         (expand_call_inline): Unlink the calls virtual operands before
1737         replacing it.
1738         (tree_function_versioning): Do not call update_ssa if we are not
1739         updating clones.  Simplify.
1740         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
1741         (propagate_with_phi): Likewise..
1742         * tree-outof-ssa.c (create_temp): Remove memory tag and call
1743         clobber code.  Assert we are not aliased or global.
1744         * tree-flow.h: Include tree-ssa-alias.h
1745         (enum escape_type): Remove.
1746         (struct mem_sym_stats_d): Likewise.
1747         (struct mem_ref_stats_d): Likewise.
1748         (struct gimple_df): Add vop member.  Remove global_var,
1749         call_clobbered_vars, call_used_vars, addressable_vars,
1750         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
1751         escaped and callused members.
1752         (struct ptr_info_def): Remove all members, add points-to solution
1753         member pt.
1754         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
1755         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
1756         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
1757         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
1758         (tree-ssa-alias.o): Likewise.
1759         (toplev.o): Add tree-ssa-alias.h
1760         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
1761         * gimple.c (gimple_set_bb): Fix off-by-one error.
1762         (is_gimple_reg): Do not handle memory tags.
1763         (gimple_copy): Also copy virtual operands.
1764         Delay updating the statement.  Do not reset loaded and stored syms.
1765         (gimple_set_stored_syms): Remove.
1766         (gimple_set_loaded_syms): Likewise.
1767         (gimple_call_copy_skip_args): Copy the virtual operands
1768         and mark the new statement modified.
1769         * tree-ssa-structalias.c (may_alias_p): Remove.
1770         (set_uids_in_ptset): Take the alias set to prune with as
1771         parameter.  Fold in the alias test of may_alias_p.
1772         (compute_points_to_sets): Compute whether a ptr is dereferenced
1773         in a local sbitmap.
1774         (process_constraint): Deal with &ANYTHING on the lhs, reject all
1775         other ADDRESSOF constraints on the lhs.
1776         (get_constraint_for_component_ref): Assert that we don't get
1777         ADDRESSOF constraints from the base of the reference.
1778         Properly generate UNKNOWN_OFFSET for DEREF if needed.
1779         (struct variable_info): Remove collapsed_to member.
1780         (get_varinfo_fc): Remove.
1781         (new_var_info): Do not set collapsed_to.
1782         (dump_constraint): Do not follow cycles.
1783         (dump_constraint_graph): Likewise.
1784         (build_pred_graph): Likewise.
1785         (build_succ_graph): Likewise.
1786         (rewrite_constraints): Likewise.
1787         (do_simple_structure_copy): Remove.
1788         (do_rhs_deref_structure_copy): Remove.
1789         (do_lhs_deref_structure_copy): Remove.
1790         (collapse_rest_of_var): Remove.
1791         (do_structure_copy): Re-implement.
1792         (pta_stats): New global variable.
1793         (dump_pta_stats): New function.
1794         (struct constraint_expr): Make offset signed.
1795         (UNKNOWN_OFFSET): Define special value.
1796         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
1797         (solution_set_expand): New helper function split out from ...
1798         (do_sd_constraint): ... here.
1799         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
1800         (do_ds_constraint): Likewise.
1801         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
1802         and CALLUSED = *CALLUSED.
1803         (set_union_with_increment): Make inc argument signed.
1804         (type_safe): Remove.
1805         (get_constraint_for_ptr_offset): Handle unknown and negative
1806         constant offsets.
1807         (first_vi_for_offset): Handle offsets before start.  Bail
1808         out early for offsets beyond the variable extent.
1809         (first_or_preceding_vi_for_offset): New function.
1810         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
1811         Together with ESCAPED = *ESCAPED this properly computes reachability.
1812         (find_what_var_points_to): New function.
1813         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
1814         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
1815         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
1816         pt_solutions_intersect): New functions.
1817         (compute_call_used_vars): Remove.
1818         (compute_may_aliases): New main entry into PTA computation.
1819         * gimple.h (gimple_p): New typedef.
1820         (struct gimple_statement_base): Remove references_memory_p.
1821         (struct gimple_statement_with_memory_ops_base): Remove
1822         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
1823         members.
1824         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
1825         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
1826         gimple_set_references_memory): Remove.
1827         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
1828         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
1829         New functions.
1830         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
1831         (verify_expr): Allow RESULT_DECL.
1832         (gimple_duplicate_bb): Do not copy virtual operands.
1833         (gimple_duplicate_sese_region): Adjust.
1834         (gimple_duplicate_sese_tail): Likewise.
1835         (mark_virtual_ops_in_region): Remove.
1836         (move_sese_region_to_fn): Do not call it.
1837         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
1838         and pass_simple_dse.
1839         (execute_function_todo): Handle TODO_update_address_taken,
1840         call execute_update_addresses_taken for TODO_rebuild_alias.
1841         (execute_todo): Adjust.
1842         (execute_one_pass): Init dump files early.
1843         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
1844         call-clobbered.
1845         (create_general_new_stmt): Clear vops.
1846         * tree-ssa-reassoc.c (get_rank): Adjust.
1847         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
1848         symbols for renaming.
1849         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
1850         (PARAM_AVG_ALIASED_VOPS): Likewise.
1851         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
1852         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
1853         * tree-ssa-operands.c: Simplify for new virtual operand representation.
1854         (operand_build_cmp, copy_virtual_operands,
1855         create_ssa_artificial_load_stmt, add_to_addressable_set,
1856         gimple_add_to_addresses_taken): Remove public functions.
1857         (unlink_stmt_vdef): New function.
1858
1859 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
1860
1861         * config.gcc (powerpc-*-linux*): Merge variants.
1862
1863 2009-04-02  Chao-ying Fu  <fu@mips.com>
1864             James Grosbach <james.grosbach@microchip.com>
1865
1866         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
1867         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
1868         cop0_sp_offset.
1869         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
1870         keep_interrupts_masked_p, use_debug_exception_return_p.
1871         (mips_attribute_table): Add interrupt, use_shadow_register_set,
1872         keep_interrupts_masked, use_debug_exception_return.
1873         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
1874         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
1875         New functions.
1876         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
1877         (mips_print_operand): Process COP0 registers to print $0 .. $31
1878         correctly for GAS to process.
1879         (mips_interrupt_extra_call_saved_reg_p): New function.
1880         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
1881         extra registers.
1882         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
1883         (mips_compute_frame_info): Add supports for interrupt context that
1884         includes doubleword accumulators and COP0 registers.
1885         (mips_for_each_saved_acc): New function.
1886         (mips_for_each_saved_gpr_and_fpr): Change the function name from
1887         mips_for_each_saved_reg.
1888         (mips_save_reg): Save accumulators.
1889         (mips_kernel_reg_p): A new for_each_rtx callback.
1890         (mips_expand_prologue): Support interrupt handlers.
1891         (mips_restore_reg): Restore accumulators.
1892         (mips_expand_epilogue): Support interrupt handlers.
1893         (mips_can_use_return_insn): Return false for interrupt handlers.
1894         (mips_epilogue_uses): New function.
1895         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
1896         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
1897         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
1898         cop0_move): New instructions.
1899         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
1900         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
1901         defines.
1902         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
1903         New defines.
1904         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
1905         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
1906         interrupt handlers, we use K0 as the temporary register.
1907         (EPILOGUE_USES): Change to a function call.
1908         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
1909         handlers, we use K0 as the temporary register.
1910         
1911         * doc/extend.texi (Function Attributes): Document interrupt,
1912         use_shadow_register_set, keep_interrupts_masked,
1913         use_debug_exception_return for MIPS attributes.
1914
1915 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
1916
1917         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
1918         Remove a number of t-files from tmake_file.
1919         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
1920         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
1921         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
1922         target_prototype, not TARGET_PROTOTYPE.
1923         (LINK_OS_GNU_SPEC): Define.
1924         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
1925         and darwin-ldoubdle.c.
1926
1927 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
1928
1929         PR driver/39293
1930         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
1931         (cpp_options): Ditto.
1932         (default_compilers): Ditto.
1933         (display_help): Ditto.
1934         (process_command): Ditto.
1935         (do_spec_1): Ditto.
1936         (set_input): Use lbasename instead of duplicate code.
1937         (save_temps_prefix): New static for -save-temps=obj.
1938         (save_temps_length): Ditto.
1939         
1940         * doc/invoke.texi (-save-temps=obj): Document new variant to
1941         -save-temps switch.
1942
1943 2009-04-02  Jeff Law  <law@redhat.com>
1944
1945         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
1946         variable.
1947
1948 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
1949
1950         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
1951         * configure: Regenerated.
1952
1953 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
1954
1955         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
1956         share the argument list.
1957
1958 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
1959
1960         Merge
1961
1962         2009-02-12  Diego Novillo  <dnovillo@google.com>
1963
1964         * varpool.c (debug_varpool): New.
1965         * cgraph.h (debug_varpool): Declare.
1966
1967 2009-04-02  Jan Hubicka  <jh@suse.cz>
1968
1969         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
1970         pass.
1971
1972 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
1973
1974         * config/i386/i386.c (ix86_abi): Move initialization to ...
1975         (override_options): Here.
1976
1977 2009-04-02  Christian Bruel  <christian.bruel@st.com>
1978
1979         * config/sh/sh.c (sh_dwarf_register_span): New function.
1980         (TARGET_DWARF_REGISTER_SPAN): Define.
1981         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
1982         
1983 2009-04-02  Ira Rosen  <irar@il.ibm.com>
1984
1985         PR tree-optimization/39595
1986         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of 
1987         interleaved loads group is not  greater than the SLP group size.
1988
1989 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
1990
1991         * builtins.c (is_builtin_name): New.
1992         (called_as_built_in): Use is_builtin_name.
1993         * tree.h (is_builtin_name): New.
1994         * varasm.c (incorporeal_function_p): Use is_builtin_name
1995
1996 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
1997
1998         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
1999
2000 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
2001
2002         PR c++/26693
2003         * c-decl.c: (clone_underlying_type): Move this ...
2004         * c-common.c (set_underlying_type): ... here.
2005         Also, make sure the function properly sets TYPE_STUB_DECL() on
2006         the newly created typedef variant type.
2007         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
2008         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
2009         points.
2010
2011 2009-04-02  Richard Guenther  <rguenther@suse.de>
2012
2013         PR tree-optimization/37221
2014         * tree-flow.h (degenerate_phi_result): Declare.
2015         * tree-ssa-dom.c (degenerate_phi_result): Export.
2016         * tree-scalar-evolution.c (analyze_initial_condition): If
2017         the initial condition is defined by a degenerate PHI node
2018         use the degenerate value.
2019
2020 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
2021
2022         PR rtl-optimization/39588
2023         * combine.c (merge_outer_ops): Do not set the constant when this
2024         is not necessary.
2025         (simplify_shift_const_1): Do not modify it either in this case.
2026
2027 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2028
2029         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
2030         tuning is deprecated if -mtune value is set to an Itanium1 variant.
2031
2032 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
2033
2034         PR c/29027
2035         * c-lex.c (interpret_float): Default (no suffix) is double.
2036
2037 2009-04-1  Xinliang David Li  <davidxl@google.com>
2038
2039         * config/i386/i386.c (legitimate_constant_p): Recognize
2040         all one vector constant.
2041
2042 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2043
2044         * gcc/config/vax/vax.c: Add #includes to silence warnings.
2045         Change #include order to silence two warnings.
2046
2047 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2048
2049         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
2050         (ASM_SPEC): Pass -k to the assembler for PIC code.
2051
2052 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2053
2054         * gcc/config.gcc: Add vax-*-linux* to the switch.
2055         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
2056         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
2057
2058 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2059
2060         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2061         Use predicate macros instead of GET_CODE() == foo.
2062         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2063         ashlsi3, rotrsi3, <unnamed>): Likewise.
2064
2065 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2066
2067         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2068         jbbccihi, jbbccisi): Remova trailing whitespace.
2069         * gcc/config/vax/constraints.md: Likewise.
2070         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2071         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2072         * gcc/config/vax/predicates.md: Likewise.
2073         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2074         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2075         * gcc/config/vax/vax.h: Likewise.
2076         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2077
2078 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2079
2080         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2081         (indirectable_address_p, adjacent_operands_p): Add spaces around
2082         braces.
2083         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2084
2085 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2086
2087         * gcc/config/vax/vax.c (legitimate_constant_address_p,
2088         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2089         index_term_p, reg_plus_index_p, legitimate_address_p,
2090         vax_mode_dependent_address_p): Update comments to match functions
2091         modified by the recent int->bool conversion.
2092
2093 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2094
2095         * gcc/config/vax/builtins.md: Update copyright message.
2096         * gcc/config/vax/constraints.md: Likewise.
2097         * gcc/config/vax/netbsd-elf.h: Likewise.
2098         * gcc/config/vax/predicates.md: Likewise.
2099         * gcc/config/vax/vax-protos.h: Likewise.
2100         * gcc/config/vax/vax.c: Likewise.
2101         * gcc/config/vax/vax.h: Likewise.
2102         * gcc/config/vax/vax.md: Likewise.
2103         * gcc/config/vax/vax.opt: Likewise.
2104
2105 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2106
2107         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2108         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2109         * gcc/config/vax/constraints.md (B, R): Likewise.
2110         * gcc/config/vax/predicates.md (external_memory_operand,
2111         nonimmediate_addsub_di_operand): Likewise.
2112         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2113         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2114         untyped_call): Likewise.
2115
2116 2009-04-01  Matt Thomas <matt@3am-software.com>
2117
2118         * config/vax/predicates.md: New file.
2119         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2120         external_const_operand, nonsymbolic_operand, external_memory_operand,
2121         indirect_memory_operand, indexed_memory_operand,
2122         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2123         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2124         predicate.
2125         * config/vax/constraints.md: New file.
2126         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2127         New constraint.
2128         * config/vax/builtins.md: New file.
2129         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2130         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2131         jbbccisi): Define.
2132         * config/vax/vax.opt (mqmath): Add option.
2133         * config/vax/vax.md (isfx): Extend with DI.
2134         (VAXintQH, VAXintQHSD): Define.
2135         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2136         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2137         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2138         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2139         (movdi): Update constraints and use vax_output_int_move().
2140         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2141         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2142         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2143         nonlocal_goto): New.
2144         (mov<mode>): Extend accepted operand types.
2145         (subdi3_old): Rename from subdi3, change update constraints and use
2146         a new implementation.
2147         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2148         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2149         MOVE_RATIO, CLEAR_RATIO): Define.
2150         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2151         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2152         (PRINT_OPERAND): Redefine using a function instead of inlined code.
2153         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2154         (split_quadword_operands): Make static and really allow variable
2155         splitting.
2156         (print_operand_address): Update for PIC generation.
2157         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2158         indexable_address_p, fixup_mathdi_operand,
2159         vax_expand_addsub_di_operands, adjacent_operands_p): New.
2160         (vax_float_literal, legitimate_constant_p,
2161         indirectable_constant_address_p, index_term_p,
2162         reg_plus_index_p): Return bool instead of int.
2163         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2164         where needed.
2165         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2166         generation.
2167         (vax_output_conditional_branch): Indent.
2168         (legitimate_constant_address_p, indirectable_constant_address_p,
2169         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2170         vax_mode_dependent_address_p): Return bool instead of int, update for
2171         PIC generation.
2172         * config/vax/vax-protos.h (legitimate_constant_address_p,
2173         legitimate_constant_p, legitimate_address_p,
2174         vax_mode_dependent_address_p): Change declaration to bool.
2175         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2176         vax_expand_addsub_di_operands, vax_output_int_subtract,
2177         vax_output_movmemsi): Declare.
2178         (split_quadword_operands, vax_float_literal): Delete declaration.
2179         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2180         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2181         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2182         ASM_OUTPUT_DWARF_PCREL): Define.
2183         (ASM_SPEC): Change definition to allow PIC generation.
2184
2185 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
2186
2187         * doc/sourcebuild.texi: Update front-end requirements.
2188
2189 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2190
2191         PR target/39226
2192         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2193         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2194         (booldi3_internal3): Use boolean_or_operator instead of
2195         boolean_operator.
2196
2197 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
2198
2199         PR c/39605
2200         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2201         declarator whose size is not an integer constant expression but
2202         folds to an integer constant, then treat it as a constant
2203         subsequently.
2204
2205 2009-04-01  Richard Guenther  <rguenther@suse.de>
2206
2207         * fold-const.c (fold_plusminus_mult_expr): Do not fold
2208         i * 4 + 2 to (i * 2 + 1) * 2.
2209
2210 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2211
2212         PR c/37772
2213         * c-parser.c (c_parser_asm_statement): Skip until close paren and
2214         return if c_parser_asm_string_literal returned NULL.
2215
2216 2009-04-01  Nick Clifton  <nickc@redhat.com>
2217
2218         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2219         already defined.
2220         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2221         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
2222         other typedefs to avoid conflicts with libgcc2.c.  Define labels
2223         to gain 16-bit bit-manipulation functions from libgcc2.c and then
2224         include it.
2225         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
2226         to gain 16-bit trapping arithmetic functions from libgcc2.c and
2227         then include it.
2228
2229 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
2230
2231         * varasm.c (default_function_rodata_section): Declare DOT as
2232         const char*.
2233
2234 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
2235             Andrey Galkin <agalkin@hypercom.com>
2236
2237         PR/39492
2238         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2239         Make object_name unique for each process.
2240
2241 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2242
2243         PR other/39591
2244         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2245         addressable variables in the parallel that could go out of scope while
2246         running queued tasks.
2247
2248 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
2249
2250         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2251         (CASE_VALUES_THRESHOLD): Redefine.
2252         * config/avr/avr.c (avr_override_options): Remove initialization of
2253         avr_case_values_threshold variable.
2254         (avr_case_values_threshold): Remove variable. Add new function.
2255         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2256         * config/avr/avr.opt (mno-tablejump): Remove option.
2257         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2258
2259 2009-04-01  DJ Delorie  <dj@redhat.com>
2260
2261         * varasm.c (default_function_rodata_section): Don't assume
2262         anything about where the first '.' in the section name is.
2263
2264 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
2265
2266         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2267         rs6000_emit_stack_tie.
2268
2269 2009-03-31  Ian Lance Taylor  <iant@google.com>
2270
2271         * tree-eh.c (tree_remove_unreachable_handlers): Compare
2272         gimple_code with GIMPLE_RESX, not RESX.
2273
2274 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2275
2276         * c-common.c (c_get_ident): New.
2277         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2278
2279 2009-04-01  Ben Elliston  <bje@au.ibm.com>
2280
2281         * config/rs6000/sysv4.opt (msdata): Improve option description.
2282
2283 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
2284
2285         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2286         (divdf3_internal_lat): Remove.
2287         (divxf3_internal_lat): Remove.
2288         (divxf3_internal_thr): Remove.
2289         (divxf): Use divxf3_internal.
2290         * config/ia64/div.md (divsf3_internal_lat): New.
2291         (divdf3_internal_lat): New.
2292         (divxf3_internal): New.
2293
2294 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2295
2296         PR c/448
2297         * Makefile.in (USE_GCC_STDINT): Define.
2298         (stmp-int-hdrs): Install stdint.h if applicable.
2299         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2300         if known.
2301         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2302         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2303         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2304         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2305         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2306         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2307         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2308         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2309         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2310         (c_common_nodes_and_builtins): Initialize
2311         underlying_wchar_type_node.  Do not initialize
2312         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
2313         nodes for new types.
2314         (c_stddef_cpp_builtins): Define macros for new types.
2315         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2316         Remove.
2317         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2318         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2319         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2320         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2321         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2322         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2323         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2324         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2325         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2326         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2327         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2328         int16_type_node, int32_type_node, int64_type_node,
2329         uint8_type_node, uint16_type_node, c_uint32_type_node,
2330         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2331         int_least32_type_node, int_least64_type_node,
2332         uint_least8_type_node, uint_least16_type_node,
2333         uint_least32_type_node, uint_least64_type_node,
2334         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2335         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2336         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2337         uintptr_type_node): Define.
2338         * c-cppbuiltin.c (builtin_define_constants,
2339         builtin_define_type_minmax): New.
2340         (builtin_define_stdint_macros): Define more macros.
2341         (c_cpp_builtins): Define more limit macros.
2342         (type_suffix): New.
2343         (builtin_define_type_max): Define in terms of
2344         builtin_define_type_minmax.  Remove is_long parameter.  All
2345         callers changed.
2346         * config.gcc (use_gcc_stdint): Define.
2347         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2348         Add newlib-stdint.h for generic targets.
2349         * config/glibc-stdint.h, config/newlib-stdint.h,
2350         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2351         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2352         * config/score/score.h (UINTPTR_TYPE): Define.
2353         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2354         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2355         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2356         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2357         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2358         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2359         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2360         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2361         * config/spu/spu.h (STDINT_LONG32): Define.
2362         * configure.ac (use_gcc_stdint): Substitute.
2363         * configure: Regenerate.
2364         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2365         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2366         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2367         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2368         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2369         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2370         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2371         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2372         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2373         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2374         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2375         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2376         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2377         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2378         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2379         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2380         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2381         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2382         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2383         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2384         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2385         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2386         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2387         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2388         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2389         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2390         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2391         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2392         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2393
2394 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
2395
2396         * loop-iv.c (suitable_set_for_replacement): Renamed from
2397         simplify_using_assignment; changed to return bool and to accept new
2398         args DEST and SRC.  Return true iff we find a source/destination pair
2399         that can be used to make a replacement, and fill SRC and DEST if so.
2400         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
2401         changed.
2402         (simplify_using_initial_values): Deal with altered regs here and track
2403         more precisely the effect they have on the validity of our expression.
2404
2405         * loop-iv.c (simplify_using_condition): A condition of the form
2406         (EQ REG CONST) can be used to simply make a substitution.
2407         (simplify_using_initial_values): Keep track of conditions we have seen
2408         and keep using them to simplify new expressions, while applying the
2409         same substitutions to them as to the expression.
2410
2411         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2412         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2413         GEU/LTU reversed.
2414
2415         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
2416         changed.  Use this when trying to improve the upper bound.
2417         Generate the comparison by using simplify_gen_relational.
2418
2419         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2420
2421         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2422         functions.
2423         (simplify_using_assignment, simplify_using_initial_values): Call 
2424         replace_in_expr to make replacements.  Call replace_single_def_regs
2425         once on the initial version of the expression.
2426
2427 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2428
2429         PR target/27237
2430         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2431         
2432 2009-03-31  Richard Guenther  <rguenther@suse.de>
2433
2434         PR middle-end/31029
2435         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2436         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
2437
2438 2009-03-31  Richard Guenther  <rguenther@suse.de>
2439
2440         * tree.h (div_if_zero_remainder): Declare.
2441         * fold-const.c (div_if_zero_remainder): Export.
2442         * tree-ssa-forwprop.c
2443         (forward_propagate_addr_into_variable_array_index): Handle
2444         constant array index addition outside of the variable index.
2445
2446 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2447
2448         PR target/39592
2449         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2450         define_splits, floatunssi<mode>2): Require x87 conversions from
2451         DImode to be permitted.
2452
2453 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2454
2455         PR preprocessor/15638
2456         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2457
2458 2009-03-31  Richard Guenther  <rguenther@suse.de>
2459
2460         PR middle-end/23401
2461         PR middle-end/27810
2462         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2463         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2464         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2465         a separate statement.
2466         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2467         (lookup_tmp_var): Likewise.
2468         (is_gimple_formal_tmp_or_call_rhs): Remove.
2469         (is_gimple_reg_or_call_rhs): Rename to ...
2470         (is_gimple_reg_rhs_or_call): ... this.
2471         (is_gimple_mem_or_call_rhs): Rename to ...
2472         (is_gimple_mem_rhs_or_call): ... this.
2473         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
2474         DECL_GIMPLE_REG_P only if is_formal is true.
2475         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
2476         for non-proper post-modify expression gimplification.
2477         (gimplify_self_mod_expr): For post-modify expressions gimplify
2478         the lvalue to a minimal lvalue.
2479         (rhs_predicate_for): Remove formal temp case.
2480         (gimplify_modify_expr_rhs): Likewise.
2481         (gimplify_addr_expr): Use is_gimple_reg.
2482         (gimplify_expr): Remove formal temp cases.
2483         (gimple_regimplify_operands): Likewise.
2484         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2485         and FILTER_EXPR like constants.
2486         * gimple.c (walk_gimple_op): Fix val_only initialization, use
2487         is_gimple_reg.
2488         (is_gimple_formal_tmp_rhs): Remove.
2489         (is_gimple_reg_rhs): Remove special casing.
2490         (is_gimple_mem_rhs): Fix.
2491         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2492         (is_gimple_formal_tmp_var): Remove.
2493         (is_gimple_formal_tmp_reg): Likewise.
2494         (is_gimple_min_lval): Allow invariant component ref parts.
2495         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2496         is_gimple_formal_tmp_reg): Remove declarations.
2497         * tree-cfg.c (verify_expr): Verify that variables with address
2498         taken do not have DECL_GIMPLE_REG_P set.
2499         * tree-mudflap.c (mf_build_check_statement_for): Use
2500         force_gimple_operand instead of gimplify_expr.
2501
2502 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
2503
2504         * modulo-sched.c (sms_schedule_by_order): Pass the actual
2505         schedulable rows to compute_split_row.
2506
2507 2009-03-31  Ben Elliston  <bje@au.ibm.com>
2508
2509         PR target/31635
2510         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2511         OPT_mvrsave.
2512
2513 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2514
2515         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2516         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2517         * configure: Regenerate.
2518         * config.in: Regenerate.
2519         * config/rs6000/rs6000.opt (mtls-markers): Add.
2520         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2521         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2522         (tls_ld_aix, tls_ld_sysv): Likewise.
2523         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2524         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2525
2526 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2527
2528         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2529
2530 2009-03-30  Jan Hubicka  <jh@suse.cz>
2531
2532         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2533         out of RESX.
2534         (tree_remove_unreachable_handlers): Cleanup EH predecestor
2535         detection and label handling.
2536
2537 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2538
2539         * ira-int.h (ira_allocno): Rename left_conflicts_num to
2540         left_conflicts_size.
2541         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2542         ALLOCNO_LEFT_CONFLICTS_SIZE.
2543
2544         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2545         remove_allocno_from_bucket_and_push,
2546         allocno_spill_priority_compare, push_allocnos_to_stack,
2547         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2548         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2549         (setup_allocno_left_conflicts_num): Ditto.  Rename to
2550         setup_allocno_left_conflicts_size.
2551         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2552         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2553         setup_allocno_left_conflicts_size instead of
2554         setup_allocno_left_conflicts_num.
2555
2556         * ira-build.c (ira_create_allocno): Use
2557         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2558         ALLOCNO_LEFT_CONFLICTS_NUM.
2559                 
2560 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2561
2562         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2563         instead of DF_LR_OUT.
2564
2565         * ira-lives.c (process_bb_node_lives): Ditto.
2566
2567         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2568         instead of DF_LR_{OUT,IN}.
2569
2570         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2571
2572         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2573
2574 2009-03-30  Jan Hubicka  <jh@suse.cz>
2575
2576         * except.c (label_to_region_map): Fix thinko.
2577
2578 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
2579
2580         PR middle-end/38237
2581         * tree.h (tree_find_value): New declaration.
2582         * tree.c (tree_find_value): New function.
2583         * varasm.c (assemble_external): Avoid duplicate entries on lists.
2584
2585 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
2586
2587         PR debug/39563
2588         * c-decl.c (struct c_binding): Add locus field.
2589         (bind): Add locus argument, set locus field from it.
2590         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
2591         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
2592         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
2593         implicitly_declare, undeclared_variable, lookup_label,
2594         declare_label, c_make_fname_decl, c_builtin_function,
2595         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
2596         bind callers.
2597
2598 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
2599
2600         PR target/38781
2601         * config/i386/i386.c (classify_argument): Check total size of
2602         structure.
2603
2604 2009-03-30  Martin Jambor  <mjambor@suse.cz>
2605
2606         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
2607         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
2608         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
2609         respectively.
2610
2611         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
2612         seen_variable_array_ref while also traversing a union.
2613
2614         * tree-inline.c (optimize_inline_calls): Do not call
2615         cgraph_node_remove_callees.
2616         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
2617         (pass_remove_cgraph_callee_edges): New variable.
2618         * passes.c (init_optimization_passes): Add
2619         pass_remove_cgraph_callee_edges after early inlining and before all
2620         late intraprocedural passes.
2621
2622         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
2623
2624 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2625
2626         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
2627         Fix typos in names.
2628
2629 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2630
2631         * combine.c (simplify_comparison): Use have_insn_for.
2632         * dojump.c (do_jump): Likewise.
2633
2634 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2635
2636         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
2637         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
2638         sparc_compare_op0 like sparc_compare_emitted used to be handled.
2639         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
2640         instead of sparc_compare_emitted.
2641         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
2642         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
2643         instead of sparc_compare_emitted.
2644
2645 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2646
2647         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
2648         enter/exit cfglayout mode.
2649         (pass_partition_block): Require it.
2650         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
2651         (combine_instructions): Track basic blocks instead of labels.
2652         (update_cfg_for_uncondjump): New.
2653         (try_combine): Use it.  Update jumps after rescanning.
2654         (pass_combine): Require PROP_cfglayout.
2655         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
2656
2657 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2658
2659         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
2660         Provide/destroy PROP_cfglayout respectively.
2661         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
2662         * tree-pass.h (PROP_cfglayout): New.
2663
2664 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2665
2666         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
2667         fold_convert_const_fixed_from_fixed,
2668         fold_convert_const_fixed_from_int,
2669         fold_convert_const_fixed_from_real, fold_negate_const): Do not
2670         set TREE_CONSTANT_OVERFLOW.
2671         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
2672         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
2673
2674 2009-03-30  Ira Rosen  <irar@il.ibm.com>
2675
2676         * tree-vect-loop-manip.c: New file.
2677         * tree-vectorizer.c: Update documentation and included files.
2678         (vect_loop_location): Make extern.
2679         (rename_use_op): Move to tree-vect-loop-manip.c
2680         (rename_variables_in_bb, rename_variables_in_loop, 
2681         slpeel_update_phis_for_duplicate_loop, 
2682         slpeel_update_phi_nodes_for_guard1,
2683         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
2684         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
2685         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
2686         set_prologue_iterations, slpeel_tree_peel_loop_to_edge, 
2687         find_loop_location): Likewise.
2688         (new_stmt_vec_info): Move to tree-vect-stmts.c.
2689         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
2690         get_vectype_for_scalar_type, vect_is_simple_use,
2691         supportable_widening_operation, supportable_narrowing_operation):
2692         Likewise.
2693         (bb_in_loop_p): Move to tree-vect-loop.c.
2694         (new_loop_vec_info, destroy_loop_vec_info, 
2695         reduction_code_for_scalar_code, report_vect_op, 
2696         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
2697         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
2698         (vect_supportable_dr_alignment): Likewise.
2699         * tree-vectorizer.h (tree-data-ref.h): Include.
2700         (vect_loop_location): Declare.
2701         Reorganize function declarations according to the new file structure.
2702         * tree-vect-loop.c: New file.
2703         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c, 
2704         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
2705         * tree-vect-data-refs.c: New file.
2706         * tree-vect-patterns.c (timevar.h): Don't include.
2707         * tree-vect-stmts.c: New file.
2708         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c, 
2709         tree-vect-slp.c, tree-vect-loop.c.
2710         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and 
2711         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o, 
2712         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
2713         (tree-vect-analyze.o): Remove.
2714         (tree-vect-transform.o): Likewise.
2715         (tree-vect-data-refs.o): Add rule.
2716         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o, 
2717         tree-vect-slp.o): Likewise.
2718         (tree-vect-patterns.o): Remove redundant dependencies.
2719         (tree-vectorizer.o): Likewise.
2720         * tree-vect-slp.c: New file.
2721
2722 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2723
2724         * optc-gen.awk: Warn if an option flag has multiple different
2725         help strings.
2726
2727 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2728
2729         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
2730         -floop-block): Document dependences on PPL, CLooG and Graphite.
2731
2732 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
2733
2734         PR rtl-optimization/323
2735         * c-common.c (c_fully_fold, convert_and_check,
2736         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
2737         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
2738         * c-common.def (EXCESS_PRECISION_EXPR): New.
2739         * c-cppbuiltin.c (builtin_define_float_constants): Define
2740         constants with enough digits for long double.
2741         * c-lex.c (interpret_float): Interpret constant with excess
2742         precision where appropriate.
2743         * c-opts.c (c_common_post_options): Set
2744         flag_excess_precision_cmdline.  Give an error for
2745         -fexcess-precision=standard for C++ for processors where the
2746         option is significant.
2747         * c-parser.c (c_parser_conditional_expression): Handle excess
2748         precision in condition.
2749         * c-typeck.c (convert_arguments): Handle arguments with excess
2750         precision.
2751         (build_unary_op): Move excess precision outside operation.
2752         (build_conditional_expr): Likewise.
2753         (build_compound_expr): Likewise.
2754         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
2755         (build_modify_expr): Handle excess precision in RHS.
2756         (convert_for_assignment): Handle excess precision in converted
2757         value.
2758         (digest_init, output_init_element, process_init_element): Handle
2759         excess precision in initializer.
2760         (c_finish_return): Handle excess precision in return value.
2761         (build_binary_op): Handle excess precision in operands and add
2762         excess precision as needed for operation.
2763         * common.opt (-fexcess-precision=): New option.
2764         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
2765         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
2766         For standard excess precision, output explicit conversion to and
2767         truncation from XFmode.
2768         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
2769         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
2770         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
2771         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
2772         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
2773         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
2774         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
2775         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
2776         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
2777         define_splits, sqrt<mode>2): Disable where appropriate for
2778         standard excess precision.
2779         * convert.c (convert_to_real): Do not shorten arithmetic to type
2780         for which excess precision would be used.
2781         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
2782         * doc/invoke.texi (-fexcess-precision=): Document option.
2783         (-mfpmath=): Correct index entry.
2784         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
2785         flag_excess_precision): New.
2786         * langhooks.c (lhd_post_options): Set
2787         flag_excess_precision_cmdline.
2788         * opts.c (common_handle_option): Handle -fexcess-precision=.
2789         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
2790         init_excess_precision): New.
2791         (lang_dependent_init_target): Call init_excess_precision.
2792         * tree.c (excess_precision_type): New.
2793         * tree.h (excess_precision_type): Declare.
2794
2795 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
2796
2797         PR c/35235
2798         * c-typeck.c (build_component_ref): Do not copy qualifiers from
2799         non-lvalue to component.
2800
2801 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
2802
2803         PR preprocessor/34695
2804         * Makefile.in (c-opts.o): Depend on c-tree.h.
2805         * c-common.c: Move down include of diagnostic.h.
2806         (done_lexing, c_cpp_error): New.
2807         * c-common.h (done_lexing): Declare.
2808         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
2809         (parse_in).
2810         * c-opts.c: Include c-tree.h.
2811         (c_common_init_options): Set preprocessor error callback.
2812         (c_common_handle_option): Do not set preprocessor
2813         inhibit_warnings, warnings_are_errors, warn_system_headers,
2814         pedantic_errors or inhibit_warnings flags.
2815         (c_common_post_options): Do not check cpp_errors (parse_in).
2816         (c_common_finish): Do not output dependencies if there were
2817         errors.  Do not check return value of cpp_finish.
2818         * c-ppoutput.c (pp_file_change): Set input_location.
2819         * c-tree.h (c_cpp_error): Declare.
2820         * diagnostic.c (diagnostic_set_info_translated): Also initialize
2821         override_column.
2822         (diagnostic_build_prefix): Check override_column.
2823         * diagnostic.h (diagnostic_info): Add override_column field.
2824         (diagnostic_override_column): Define.
2825
2826 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
2827
2828         * c-common.c (c_expand_expr, c_staticp): Remove.
2829         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
2830         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
2831         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
2832         * c-gimplify.c (gimplify_compound_literal_expr,
2833         optimize_compound_literals_in_ctor): Remove.
2834         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
2835         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
2836         * c-semantics.c (emit_local_var): Remove.
2837
2838         * langhooks-def.h (lhd_expand_expr): Remove.
2839         * langhooks.c (lhd_expand_expr): Remove.
2840         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
2841
2842         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
2843         handling from c-semantics.c; don't call into langhook.
2844         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
2845         * gimplify.c (gimplify_compound_literal_expr,
2846         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
2847         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
2848         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
2849         as was done in c-gimplify.c.
2850         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
2851         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
2852         Move from c-common.h.
2853         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
2854
2855         * tree.c (staticp): Do not call langhook.
2856         * langhooks.c (lhd_staticp): Delete.
2857         * langhooks-def.h (lhd_staticp): Delete prototype.
2858         (LANG_HOOKS_STATICP): Delete.
2859         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
2860
2861         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
2862         instead of DECL_STMTs.
2863
2864 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
2865
2866         PR c/456
2867         PR c/5675
2868         PR c/19976
2869         PR c/29116
2870         PR c/31871
2871         PR c/35198
2872         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
2873         void_type_node.
2874         (fold_call_expr): Return a NOP_EXPR from folding rather than the
2875         contained expression.
2876         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
2877         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
2878         conditional expressions for C.
2879         (decl_constant_value_for_optimization): Move from
2880         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
2881         whether optimizing and that the expression is a VAR_DECL not of
2882         array type instead of doing such checks in the caller.  Do not
2883         check pedantic.  Call gcc_unreachable for C++.
2884         * c-common.def (C_MAYBE_CONST_EXPR): New.
2885         * c-common.h (c_fully_fold, c_save_expr,
2886         decl_constant_value_for_optimization): New prototypes.
2887         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
2888         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
2889         EXPR_INT_CONST_OPERANDS): Define.
2890         * c-convert.c (convert): Strip nops from expression.
2891         * c-decl.c (groktypename): Take extra parameters expr and
2892         expr_const_operands.  Update call to grokdeclarator.
2893         (start_decl): Update call to grokdeclarator.  Add statement for
2894         expressions used in type of decl.
2895         (grokparm): Update call to grokdeclarator.
2896         (push_parm_decl): Update call to grokdeclarator.
2897         (build_compound_literal): Add parameter non_const and build a
2898         C_MAYBE_COSNT_EXPR if applicable.
2899         (grokdeclarator): Take extra parameters expr and
2900         expr_const_operands.  Track expressions used in declaration
2901         specifiers and declarators.  Fold array sizes and track whether
2902         they are constant expressions and whether they are integer
2903         constant expressions.
2904         (parser_xref_tag): Set expr and expr_const_operands fields in
2905         return value.
2906         (grokfield): Update call to grokdeclarator.
2907         (start_function): Update call to grokdeclarator.
2908         (build_null_declspecs): Set expr and expr_const_operands fields in
2909         return value.
2910         (declspecs_add_type): Handle expressions in typeof specifiers.
2911         * c-parser.c (c_parser_declspecs): Set expr and
2912         expr_const_operands fields for declaration specifiers.
2913         (c_parser_enum_specifier): Likewise.
2914         (c_parser_struct_or_union_specifier): Likewise.
2915         (c_parser_typeof_specifier): Likewise.  Update call to
2916         groktypename.  Fold expression as needed.  Return expressions with
2917         type instead of adding statements.
2918         (c_parser_attributes): Update calls to c_parser_expr_list.
2919         (c_parser_statement_after_labels): Fold expression before passing
2920         to objc_build_throw_stmt.
2921         (c_parser_condition): Fold expression.
2922         (c_parser_asm_operands): Fold expression.
2923         (c_parser_conditional_expression): Use c_save_expr.  Update call
2924         to build_conditional_expr.
2925         (c_parser_alignof_expression): Update call to groktypename.
2926         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
2927         original_code.  Fold expression argument of va_arg.  Create
2928         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
2929         argument to va_arg.  Update calls to groktypename.  Fold array
2930         index for offsetof.  Verify that first argument to
2931         __builtin_choose_expr has integer type.
2932         (c_parser_postfix_expression_after_paren_type): Update calls to
2933         groktypename and build_compound_literal.  Handle expressions with
2934         side effects in type name.
2935         (c_parser_postfix_expression_after_primary): Update call to
2936         c_parser_expr_list.  Set original_code for calls to
2937         __builtin_constant_p.
2938         (c_parser_expr_list): Take extra parameter fold_p.  Fold
2939         expressions if requested.
2940         (c_parser_objc_type_name): Update call to groktypename.
2941         (c_parser_objc_synchronized_statement): Fold expression.
2942         (c_parser_objc_receiver): Fold expression.
2943         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
2944         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
2945         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
2946         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
2947         (struct c_typespec): Add elements expr and expr_const_operands.
2948         (struct c_declspecs): Add elements expr and expr_const_operands.
2949         (groktypename, build_conditional_expr, build_compound_literal):
2950         Update prototypes.
2951         (in_late_binary_op): Declare.
2952         * c-typeck.c (note_integer_operands): New function.
2953         (in_late_binary_op): New variable.
2954         (decl_constant_value_for_broken_optimization): Move to c-common.c
2955         and rename to decl_constant_value_for_optimization.
2956         (default_function_array_conversion): Do not strip nops.
2957         (default_conversion): Do not call
2958         decl_constant_value_for_broken_optimization.
2959         (build_array_ref): Do not fold result.
2960         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
2961         result when operand is a VLA.
2962         (c_expr_sizeof_type): Update call to groktypename.  Handle
2963         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
2964         result when operand names a VLA type.
2965         (build_function_call): Update call to build_compound_literal.
2966         Only fold result for calls to __builtin_* functions.  Strip
2967         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
2968         the function designator.
2969         (convert_arguments): Fold arguments.  Update call to
2970         convert_for_assignment.
2971         (build_unary_op): Handle increment and decrement of
2972         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
2973         decrement earlier.  Fold operand of increment and decrement.
2974         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
2975         built for integer operand.  Wrap returns that are INTEGER_CSTs
2976         without being integer constant expressions or that have integer
2977         constant operands without being INTEGER_CSTs.
2978         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
2979         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
2980         result is an integer constant expression or can be used in
2981         unevaluated parts of one and avoid folding and wrap as
2982         appropriate.  Fold operands before possibly doing -Wsign-compare
2983         warnings.
2984         (build_compound_expr): Wrap result for C99 if operands can be used
2985         in integer constant expressions.
2986         (build_c_cast): Update call to digest_init.  Do not ignore
2987         overflow from casting floating-point constants to integers.  Wrap
2988         results that could be confused with integer constant expressions,
2989         null pointer constants or floating-point constants.
2990         (c_cast_expr): Update call to groktypename.  Handle expressions
2991         included in type name.
2992         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
2993         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
2994         Update calls to convert_for_assignment.
2995         (convert_for_assignment): Take new parameter
2996         null_pointer_constant.  Do not strip nops or call
2997         decl_constant_value_for_broken_optimization.  Set
2998         in_late_binary_op for conversions to boolean.
2999         (store_init_value): Update call to digest_init.
3000         (digest_init): Take new parameter null_pointer_constant.  Do not
3001         call decl_constant_value_for_broken_optimization.  pedwarn for
3002         initializers not constant expressions.  Update calls to
3003         convert_for_assignment.
3004         (constructor_nonconst): New.
3005         (struct constructor_stack): Add nonconst element.
3006         (really_start_incremental_init, push_init_level, pop_init_level):
3007         Handle constructor_nonconst and nonconst element.
3008         (set_init_index): Call constant_expression_warning for array
3009         designators.
3010         (output_init_element): Fold value.  Set constructor_nonconst as
3011         applicable.  pedwarn for initializers not constant expressions.
3012         Update call to digest_init.  Call constant_expression_warning
3013         where constant initializers are required.
3014         (process_init_element): Use c_save_expr.
3015         (c_finish_goto_ptr): Fold expression.
3016         (c_finish_return): Fold return value.  Update call to
3017         convert_for_assignment.
3018         (c_start_case): Fold switch expression.
3019         (c_process_expr_stmt): Fold expression.
3020         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
3021         ensure statement expression is not evaluated in constant expression.
3022         (build_binary_op): Track whether results are integer constant
3023         expressions or may occur in such, disable folding and wrap results
3024         as applicable.  Fold operands for -Wsign-compare warnings unless
3025         in_late_binary_op.
3026         (c_objc_common_truthvalue_conversion): Handle results folded to
3027         integer constants that are not integer constant expressions.
3028         * doc/extend.texi: Document when typeof operands are evaluated,
3029         that condition of __builtin_choose_expr is an integer constant
3030         expression, and more about use of __builtin_constant_p in
3031         initializers.
3032
3033 2009-03-29  Richard Guenther  <rguenther@suse.de>
3034
3035         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
3036         propagate addresses of array references.
3037
3038 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3039
3040         * regmove.c (perhaps_ends_bb_p): Remove.
3041         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
3042         from INSN and check that the main loop stays within that basic block.
3043         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
3044         (regmove_forward_pass): Split out from regmove_optimize.  Use
3045         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
3046         (regmove_backward_pass): Split out from regmove_optimize.  Use
3047         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
3048         (regmove_optimize): Simplify.
3049
3050 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3051
3052         PR target/39545
3053         * config/i386/i386.c (classify_argument): Ignore flexible array
3054         member in struct and warn ABI change.
3055
3056 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3057
3058         * config/i386/i386-protos.h (ix86_agi_dependent): New.
3059
3060         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3061         (ix86_adjust_cost): Updated.
3062
3063 2009-03-29  Jan Hubicka  <jh@suse.cz>
3064
3065         PR middle-end/28850
3066         * tree-pass.h (pass_cleanup_eh): New function.
3067         (remove_unreachable_regions): Break code handling RTL
3068         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3069         that can not be reached by runtime.
3070         (can_be_reached_by_runtime): New function.
3071         (label_to_region_map): New function.
3072         (num_eh_regions): New function.
3073         (rtl_remove_unreachable_regions): New function.
3074         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3075         (remove_eh_region): New function.
3076         * except.h: Include sbitmap and vecprim.
3077         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3078         num_eh_regions): Declare.
3079         * passes.c (init_optimization_passes): Schedule cleanup_eh.
3080         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3081         * tree-eh.c (tree_remove_unreachable_handlers): New function.
3082         (tree_empty_eh_handler_p): New function.
3083         (cleanup_empty_eh): New function.
3084         (cleanup_eh): New function.
3085         (pass_cleanup_eh): New function.
3086
3087 2009-03-29  Jan Hubicka  <jh@suse.cz>
3088
3089         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3090         for removed regions.
3091
3092 2009-03-29  Jan Hubicka  <jh@suse.cz>
3093
3094         * except.c (dump_eh_tree): Dump all datastructures.
3095
3096 2009-03-29  Jan Hubicka  <jh@suse.cz>
3097
3098         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3099         (duplicate_eh_regions_1): Likewise.
3100         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3101         vector; call EH verification.
3102         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3103         Be ready for region being removed.
3104
3105 2009-03-29  Jan Hubicka  <jh@suse.cz>
3106
3107         * bitmap.c (bitmap_last_set_bit): New function.
3108         * bitmap.h (bitmap_last_set_bit): Declare.
3109
3110 2009-03-29  David Ayers  <ayers@fsfe.org>
3111
3112         PR objc/27377
3113         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3114         by calling objc_compare_types and surpress warnings about
3115         incompatible C pointers that are compatible ObjC pointers.
3116         
3117 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
3118
3119         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3120         call initialize_inline_failed.
3121         (initialize_inline_failed): Move it from here ...
3122         * cgraph.c (initialize_inline_failed): ... to here.
3123         (cgraph_create_edge): Call initialize_inline_failed rather than
3124         setting inline_failed directly.
3125
3126 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3127
3128         PR target/32542
3129         * sysv4.opt (msdata): Improve comment.
3130         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3131         * sysv4.h (SVR4_ASM_SPEC): Likewise.
3132
3133 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3134
3135         PR target/30451
3136         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3137         load and store attributes.
3138
3139 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3140
3141         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3142         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3143         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3144         * doc/extend.texi (X86 Built-in Functions): Add index entries for
3145         __builtin_infq and __builtin_huge_valq.
3146
3147 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
3148
3149         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3150         atmega8m1 devices.
3151         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3152         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3153
3154 2009-03-28  Xinliang David Li  <davidxl@google.com>
3155
3156         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. 
3157         (do_dbg_cnt): New function.
3158
3159 2009-03-28  Jan Hubicka  <jh@suse.cz>
3160
3161         Merge from pretty-ipa:
3162
3163         2009-03-27  Jan Hubicka  <jh@suse.cz>
3164
3165         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3166         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3167         * passes.c (function_called_by_processed_nodes_p): New.
3168         * ipa-pure-const.c (check_call): Fix handling of operands.
3169         (analyze_function): Dump debug output for skipped bodies.
3170         (local_pure_const): Use function_called_by_processed_nodes_p.
3171         * dwarf2out.c (reference_to_unused): Use output.
3172         * passes.c (do_per_function_toporder): Likewise.
3173
3174         2008-11-12  Jan Hubicka  <jh@suse.cz>
3175
3176         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3177         * ipa-pure-const.c (funct_state_d): Add can throw field; make
3178         state_set_in_source enum
3179         (check_decl): Ignore memory tags; do not set fake looping flags;
3180         dump diagnostics.
3181         (check_operand, check_tree, check_rhs_var, check_lhs_var,
3182         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3183         (check_call, analyze_function): Rewrite.
3184         (check_stmt): New.
3185         (add_new_function): Update call of analyze_function.
3186         (generate_summary): Add call of analyze_function.
3187         (propagate): Propagate can_throw; handle state_set_in_source correctly.
3188         (local_pure_const): New function.
3189         (pass_local_pure_const): New pass.
3190         * ipa-inline.c (inline_transform): Set after_inlining.
3191         * tree-eh.c (stmt_can_throw_external): New.
3192         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3193         work with aliasing built.
3194         * tree-flow.h (stmt_can_throw_external): New.
3195         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3196         and local pure/const pass in early and late optimization queue.
3197
3198 2009-03-28  Martin Jambor  <mjambor@suse.cz>
3199
3200         * fold-const.c (get_pointer_modulus_and_residue): New parameter
3201         allow_func_align.
3202         (fold_binary): Allow function decl aligment consideration is the
3203         second argument is integer constant one.
3204         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3205         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3206         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3207
3208 2009-03-28  Jan Hubicka  <jh@suse.cz>
3209
3210         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3211         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3212         * function.h (rtl_data): Add nothrow flag.
3213         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3214         set DECL_NOTHROW for AVAILABLE functions.
3215
3216 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
3217
3218         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3219         following vector keyword has expansion starting with pixel or bool
3220         keyword, expand vector to __vector and pixel or bool to __pixel or
3221         __bool.
3222
3223         PR c++/39554
3224         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3225         warn_if_disallowed_function_p): Removed.
3226         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3227         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3228         warning_if_disallowed_function_p.
3229         * flags.h (warn_if_disallowed_function_p,
3230         warn_disallowed_functions): Removed.
3231         * common.opt (Wdisallowed-function-list=): Removed.
3232         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3233
3234 2009-03-28  Richard Guenther  <rguenther@suse.de>
3235
3236         PR tree-optimization/38723
3237         * tree-ssa-pre.c (compute_avail): Add all default definitions to
3238         the entry block.
3239
3240 2009-03-28  Jan Hubicka  <jh@suse.cz>
3241
3242         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3243         test introduced by my previous patch.
3244
3245 2009-03-28  Richard Guenther  <rguenther@suse.de>
3246
3247         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3248         the PHIs value undefined.
3249
3250 2009-03-28  Jan Hubicka  <jh@suse.cz>
3251
3252         * tree-pass.h (pass_fixup_cfg): New pass.
3253         * ipa-inline.c (inline_transform): Set
3254         always_inline_functions_inlined/after_inlining.
3255         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3256         (pass_fixup_cfg): New pass.
3257         * passes.c (init_optimization_passes): Add fixup_cfg.
3258
3259 2009-03-28  Richard Guenther  <rguenther@suse.de>
3260
3261         PR tree-optimization/38458
3262         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3263         argument use the arguments copy-of value.
3264
3265 2009-03-28  Richard Guenther  <rguenther@suse.de>
3266
3267         PR tree-optimization/38180
3268         * tree-ssa-ccp.c (get_default_value): Simplify.
3269         (likely_value): Likewise.
3270         (surely_varying_stmt_p): Properly handle VOP case.
3271         (ccp_initialize): Likewise.
3272         (ccp_fold): Handle propagating through *&.
3273         (fold_const_aggregate_ref): Also handle decls.
3274
3275 2009-03-28  Jan Hubicka  <jh@suse.cz>
3276
3277         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3278         * cgraph.h (cgraph_node): Likewise.
3279         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3280         (cgraph_reset_node): Use process flag.
3281         (cgraph_mark_functions_to_output): Likewise.
3282         (cgraph_expand_function): Likewise.
3283         (cgraph_expand_all_functions): Likewise.
3284         (cgraph_output_in_order): Likewise.
3285         * dwarf2out.c (reference_to_unused): Likewise.
3286         * passes.c do_per_function_toporder): Likewise.
3287
3288 2009-03-28  Jan Hubicka  <jh@suse.cz>
3289
3290         Bring from lto-branch:
3291
3292         2008-09-03  Doug Kwan  <dougkwan@google.com>
3293
3294         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3295         enums instead of reason strings.
3296         * cgraph.c (cgraph_create_edge): Same.
3297         (cgraph_inline_failed_string): New function.
3298         * cgraph.h (cgraph_inline_failed_t): New enum type.
3299         (cgraph_inline_failed_string): New prototype.
3300         (struct cgraph_edge): Change type of INLINED_FAILED from constant
3301         char pointer to cgraph_inline_failed_t.
3302         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3303         (cgraph_default_inline_p): Ditto.
3304         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3305         to cgraph_inline_failed_t pointer.
3306         * cif-code.def: New file.
3307         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3308         reason string.
3309         (cgraph_check_inline_limits): Change type of REASON to pointer to
3310         cgraph_inline_failed_t.  Replace reason strings with enums.
3311         (cgraph_default_inline_p): Ditto.
3312         (cgraph_recursive_inlining_p): Ditto.
3313         (update_caller_keys): Change type of FAILED_REASON to
3314         cgraph_inline_failed_t.
3315         (cgraph_set_inline_failed): Change type of REASON to pointer to
3316         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
3317         convert enums to strings for text output.
3318         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3319         to be of type cgraph_inline_failed_t.  Replace reason strings with
3320         enums.  Call cgraph_inline_failed_string to covert enums
3321         to strings for text output.
3322         (cgraph_decide_inlining): Replace reason strings with enums.
3323         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3324         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
3325         for text output.
3326         * tree-inline.c (expand_call_inline): Change type of REASON
3327         to cgraph_inline_failed_t.  Replace reason strings with enums.
3328         Call cgraph_inline_failed_string for text output.
3329         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3330         (cgraph.o): Ditto.
3331
3332 2009-03-28  Jan Hubicka  <jh@suse.cz>
3333
3334         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3335         cgraph_clone_node): Remove master clone handling.
3336         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3337         * cgraph.h (master_clone): Remove.
3338         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3339         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3340         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3341
3342 2009-03-28  Jan Hubicka  <jh@suse.cz>
3343
3344         * cgraph.c (cgraph_function_body_availability): Functions declared
3345         inline are always safe to assume that it is not going to be replaced.
3346
3347 2009-03-28  Richard Guenther  <rguenther@suse.de>
3348
3349         PR tree-optimization/38513
3350         * tree-ssa-pre.c (eliminate): Remove redundant stores.
3351         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3352         EXC_PTR_EXPR and FILTER_EXPR.
3353         (get_ref_from_reference_ops): Likewise.
3354
3355 2009-03-28  Richard Guenther  <rguenther@suse.de>
3356
3357         PR tree-optimization/38968
3358         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3359         Use FLOOR_MOD_EXPR to compute misalignment.
3360
3361 2009-03-28  Richard Guenther  <rguenther@suse.de>
3362
3363         PR tree-optimization/37795
3364         * tree.h (combine_comparisons): Declare.
3365         * fold-const.c (combine_comparisons): Export.
3366         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3367         comparisons.
3368         (ifcombine_iforif): Use combine_comparisons.
3369
3370 2009-03-28  Jan Hubicka  <jh@suse.cz>
3371
3372         * tree-eh.c (inlinable_call_p): New function.
3373         (make_eh_edges): Use it.
3374         (verify_eh_edges): Use it.
3375         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3376         * except.c (reachable_next_level): Add inlinable_function argument
3377         (sjlj_find_directly_reachable_regions): Update.
3378         (add_reachable_handler): Do not set saw_any_handlers.
3379         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3380         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3381         Add new inlinable call parameter.
3382         (can_throw_internal, can_throw_external): Update.
3383         * except.h (can_throw_internal_1, can_throw_external_1,
3384         foreach_reachable_handler): Update declaration.
3385
3386 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
3387
3388         * config/arm/t-arm-coff, config/h8300/coff.h,
3389         config/i386/i386-aout.h, config/i386/i386-coff.h,
3390         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3391         config/pdp11/2bsd.h, config/rs6000/aix41.h,
3392         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3393         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3394         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3395         sys-types.h: Remove.
3396         * Makefile.in: Remove protoize and fixproto support and references
3397         in comments.
3398         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3399         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3400         Remove.
3401         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3402         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3403         unprotoize$(exeext).
3404         (rest.encap): Don't depend on $(STMP_FIXPROTO)
3405         (.PHONY): Don't depend on proto.
3406         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3407         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3408         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3409         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3410         build/gen-protos.o, build/scan.o, xsys-protos.h,
3411         build/fix-header$(build_exeext), build/fix-header.o,
3412         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3413         stmp-install-fixproto): Remove.
3414         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3415         SYSCALLS.c or fixproto files.
3416         (install-common): Don't install protoize.
3417         (install-headers-tar, install-headers-cpio, install-headers-cp):
3418         Don't depend on $(STMP_FIXPROTO).
3419         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
3420         install fixproto files or write out fixproto settings.
3421         (uninstall): Don't uninstall protoize.
3422         * config.gcc (use_fixproto): Remove.
3423         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3424         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3425         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3426         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3427         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3428         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3429         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3430         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3431         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3432         * config/t-vxworks (STMP_FIXPROTO): Remove.
3433         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3434         STMP_FIXPROTO): Remove.
3435         * config.in, configure: Regenerate.
3436         * crtstuff.c (gid_t, uid_t): Don't undefine.
3437         * doc/install.texi: Change m68k-coff to m68k-elf in example.
3438         (arm-*-coff, arm-*-aout: Remove target entries.
3439         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3440         Remove mention of AIX 4.1.
3441         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3442         * doc/invoke.texi (Running Protoize): Remove.
3443         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3444         (Protoize Caveats): Remove.
3445         * tsystem.h: Update comments on headers assumed to exist.
3446
3447 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
3448
3449         * genautomata.c: Add a new year to the copyright.  Add a new
3450         reference.
3451         (struct insn_reserv_decl): Add comments for member bypass_list.
3452         (find_bypass): Remove.
3453         (insert_bypass): New.
3454         (process_decls): Use insert_bypass.
3455         (output_internal_insn_latency_func): Output all bypasses with the
3456         same input insn in one switch case.
3457
3458         * rtl.def (define_bypass): Describe bypass choice.
3459         * doc/md.texi (define_bypass): Ditto.
3460
3461 2009-03-27  Richard Guenther  <rguenther@suse.de>
3462
3463         * gimplify.c (mark_addressable): Export.
3464         * tree-flow.h (mark_addressable): Declare.
3465         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3466         * tree-ssa.c (verify_phi_args): Verify that address taken
3467         variables have TREE_ADDRESSABLE set.
3468
3469 2009-03-27  Richard Guenther  <rguenther@suse.de>
3470
3471         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3472         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
3473         Do not mark decls TREE_ADDRESSABLE.
3474         (build_fold_addr_expr): Adjust.
3475         (fold_addr_expr): Remove.
3476         (fold_unary): Use build_fold_addr_expr.
3477         (fold_comparison): Likewise.
3478         (split_address_to_core_and_offset): Likewise.
3479         * coverage.c (tree_coverage_counter_addr): Mark the array decl
3480         TREE_ADDRESSABLE.
3481         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3482         (gimplify_modify_expr_to_memcpy): Mark source and destination
3483         addressable.
3484         * omp-low.c (create_omp_child_function): Mark the object decl
3485         TREE_ADDRESSABLE.
3486         (lower_rec_input_clauses): Mark the var we take the address of
3487         TREE_ADDRESSABLE.
3488         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3489
3490 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3491
3492         PR middle-end/39315
3493         * cfgexpand.c (expand_one_stack_var_at): Change alignment
3494         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3495
3496 2009-03-27  Richard Guenther  <rguenther@suse.de>
3497
3498         PR tree-optimization/39120
3499         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3500         constraints.
3501         (handle_lhs_call): Process return constraints.  Add escape
3502         constraints if necessary.
3503         (handle_const_call): Fill out return constraints.  Make nested
3504         case more precise.  Avoid consttmp if possible.
3505         (handle_pure_call): Fill out return constraints.  Avoid
3506         callused if possible.
3507         (find_func_aliases): Simplify call handling.
3508
3509 2009-03-27  Richard Guenther  <rguenther@suse.de>
3510
3511         PR tree-optimization/39120
3512         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3513         as a representative.
3514         (solve_graph): Do propagate CALLUSED.
3515         (handle_pure_call): Use a scalar constraint from CALLUSED for
3516         the return value.
3517         (find_what_p_points_to): CALLUSED shall not appear in poins-to
3518         solutions.
3519
3520 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3521
3522         PR c/39323
3523         * c-common.c (handle_aligned_attribute): Properly check alignment
3524         overflow.  Use (1U << i) instead of (1 << i).
3525
3526         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3527
3528         * expr.h (get_mem_align_offset): Updated.
3529
3530         * tree.h (tree_decl_common): Change align to "unsigned int" and
3531         move it before pointer_alias_set.
3532
3533 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3534             Jakub Jelinek  <jakub@redhat.com>
3535
3536         PR target/38034
3537         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3538         gr_register_operand with gr_reg_or_0_operand.
3539         (cmpxchg_rel_di): Likewise.
3540         (sync_lock_test_and_set<mode>): Likewise.
3541
3542 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3543
3544         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3545         (true_regnum): Likewise.
3546
3547         * rtlanal.c (subreg_info): Moved to ...
3548         * rtl.h (subreg_info): Here.  New.
3549         (subreg_get_info): New.
3550
3551         * rtlanal.c (subreg_get_info): Make it extern.
3552
3553 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3554
3555         PR target/39472
3556         * config/i386/i386.c (ix86_abi): New.
3557         (override_options): Handle -mabi=.
3558         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3559         (ix86_call_abi_override): Likewise.
3560         (init_cumulative_args): Likewise.
3561         (function_arg_advance): Likewise.
3562         (function_arg_64): Likewise.
3563         (function_arg): Likewise.
3564         (ix86_pass_by_reference): Likewise.
3565         (ix86_function_value_regno_p): Likewise.
3566         (ix86_build_builtin_va_list_abi): Likewise.
3567         (setup_incoming_varargs_64): Likewise.
3568         (is_va_list_char_pointer): Likewise.
3569         (ix86_init_machine_status): Likewise.
3570         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
3571         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
3572         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
3573         (ix86_function_abi): Make it static and return enum calling_abi.
3574         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
3575         with ix86_abi.
3576         (ix86_fn_abi_va_list): Updated.
3577
3578         * config/i386/i386.h (ix86_abi): New.
3579         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
3580         (CONDITIONAL_REGISTER_USAGE): Likewise.
3581         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
3582         (machine_function): Likewise.
3583
3584         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
3585         with ix86_abi.
3586         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
3587         (STACK_BOUNDARY): Likewise.
3588         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
3589
3590         * config/i386/i386.opt (mabi=): New.
3591
3592         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
3593         return enum calling_abi.
3594         (ix86_function_type_abi): Likewise.
3595         (ix86_function_abi): Removed.
3596
3597         * doc/invoke.texi: Document -mabi= option for x86.
3598
3599 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3600
3601         * builtins.c (real_dconstp): Delete.
3602         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
3603
3604 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
3605             Jakub Jelinek  <jakub@redhat.com>
3606
3607         PR debug/37959
3608         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
3609         (gen_subprogram_die): When a function is explicit, generate the
3610         DW_AT_explicit attribute.
3611         * langhooks.h (struct lang_hooks_for_decls): Add
3612         function_decl_explicit_p langhook.
3613         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
3614         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
3615
3616 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
3617
3618         * builtins.c (fold_builtin_memory_op): Optimize memmove
3619         into memcpy if we can prove source and destination don't overlap.
3620
3621         * tree-inline.c: Include gt-tree-inline.h.
3622         (clone_fn_id_num): New variable.
3623         (clone_function_name): New function.
3624         (tree_function_versioning): Use it.
3625         * Makefile.in (GTFILES): Add tree-inline.c.
3626
3627 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
3628
3629         * BASE-VER: Change to 4.5.0.
3630
3631 2009-03-27  Xinliang David Li  <davidxl@google.com>
3632
3633         PR tree-optimization/39557
3634         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
3635
3636 2009-03-27  Xinliang David Li  <davidxl@google.com>
3637
3638         PR tree-optimization/39548
3639         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy 
3640         candidate check.
3641
3642 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3643
3644         * c-common.c (pointer_int_sum): Use %wd on return from
3645         tree_low_cst.
3646
3647 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3648
3649         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
3650         on return from tree_low_cst.
3651
3652 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3653
3654         PR c++/36799
3655         * ginclude/stdarg.h (va_copy): Define also for
3656         __GXX_EXPERIMENTAL_CXX0X__.
3657
3658 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3659
3660         PR c++/35652
3661         * builtins.h (c_strlen): Do not warn here.
3662         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
3663         * c-common.c (pointer_int_sum): Take an explicit location.
3664         Warn about offsets out of bounds.
3665         * c-common.h (pointer_int_sum): Adjust declaration.
3666
3667 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3668
3669         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
3670         markup glitch.
3671
3672 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
3673
3674         PR c++/39554
3675         * opts.c (warn_if_disallowed_function_p): Don't assume
3676         get_callee_fndecl must return non-NULL.
3677
3678 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
3679
3680         PR rtl-optimization/39522
3681         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
3682         when reg_reloaded_valid is set.
3683
3684 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3685
3686         * config/spu/divv2df3.c: New file.
3687         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
3688         (DPBIT_FUNCS): Filter out _div_df.
3689
3690 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
3691
3692         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
3693         a jump insn, count that jump in the distance to the loop start.
3694
3695 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
3696
3697         PR target/39523
3698         * config/sh/sh.c (calc_live_regs): Fix condition for global
3699         registers except PIC_OFFSET_TABLE_REGNUM.
3700
3701 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
3702
3703         PR/39518
3704         * doc/invoke.texi (-mconsole): New.
3705         (-mcygwin): New.
3706         (-mno-cygwin): New.
3707         (-mdll): New.
3708         (-mnop-fun-dllimport): New.
3709         (-mthread): New.
3710         (-mwin32): New.
3711         (-mwindows): New.
3712         (sub section "i386 and x86-64 Windows Options"): New.
3713
3714 2009-03-25  Ralf Corsépius <ralf.corsepius@rtems.org>
3715
3716         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
3717         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
3718
3719 2009-03-25  Richard Guenther  <rguenther@suse.de>
3720
3721         PR middle-end/39497
3722         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
3723         of -Wno-error.
3724
3725 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
3726
3727         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
3728         neither of haifa/selective schedulers are working.
3729
3730 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3731
3732         * doc/invoke.texi (Debugging Options): Fix description of
3733         -fno-merge-debug-strings.
3734
3735 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
3736
3737         * config/cris/libgcc.ver: New version-script.
3738         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
3739
3740         * configure.ac <GAS features, nop mnemonic>: Add pattern
3741         crisv32-*-* for "nop".
3742         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
3743         * configure: Regenerate.
3744
3745 2009-03-24  Ira Rosen  <irar@il.ibm.com>
3746
3747         PR tree-optimization/39529
3748         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
3749         mark_sym_for_renaming for the tag copied to the new vector
3750         pointer.
3751
3752 2009-03-24  Arthur Loiret  <aloiret@debian.org>
3753
3754         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
3755         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
3756         EXTRA_SPEC_FUNCTIONS.
3757         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
3758         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
3759         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
3760         -march and -mtune options.
3761
3762 2009-03-24  Ralf Corsépius <ralf.corsepius@rtems.org>
3763
3764         * config/m68k/t-rtems: Add m5329 multilib.
3765
3766 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
3767             Jakub Jelinek  <jakub@redhat.com>
3768
3769         PR debug/39524
3770         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
3771         nodes.
3772
3773 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
3774
3775         PR c/39495
3776         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
3777         instead of c_parser_expression_conv, if original_code isn't one of the
3778         4 allowed comparison codes, fail.
3779
3780 2009-03-23  Richard Guenther  <rguenther@suse.de>
3781
3782         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
3783         * tree.h (struct tree_type): Likewise.
3784         * reload.h (struct insn_chain): Likewise.
3785         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
3786         * function.h (struct function): Likewise.
3787         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
3788
3789 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
3790
3791         PR tree-optimization/39516
3792         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
3793
3794 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
3795
3796         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint 
3797         should be set true if BITS_PER_WORD of target is bigger than 32
3798
3799 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
3800
3801         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
3802         Translate -B-options to -rpath-link.  Correct existing
3803         rpath-link and conditionalize on !nostdlib.
3804
3805 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3806
3807         * doc/extend.texi (Function Attributes, Variable Attributes):
3808         Fix typos.
3809         * doc/invoke.texi (Debugging Options, Optimize Options)
3810         (i386 and x86-64 Options, MCore Options): Likewise.
3811
3812 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
3813
3814         PR debug/37890
3815         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
3816         it for block local namespace aliases.
3817         (gen_decl_die): Pass context_die to gen_namespace_die.
3818
3819 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
3820
3821         PR c/39495
3822         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
3823         minimum or maximum value.
3824
3825 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
3826
3827         * reginfo.c (globalize_reg): Recompute derived reg sets.
3828
3829 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
3830
3831         PR target/39063
3832         * libgcc2.c (mprotect): Do not use signed arguments for
3833         VirtualProtect, use DWORD arguments.  Also fix the 'may
3834         be used uninitialized' warning for the np variable.
3835
3836 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
3837
3838         PR target/39496
3839         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
3840         functions using regparm calling conventions when not optimizing.
3841         (ix86_function_sseregparm): Similarly for sseregparm calling
3842         conventions.
3843
3844 2009-03-19  Li Feng  <nemokingdom@gmail.com>
3845
3846         PR middle-end/39500
3847         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
3848         dependence if the first conflict is after niter iterations.
3849
3850 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
3851
3852         PR middle-end/38609
3853         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
3854         functions with dynamic stack-pointer adjustments.
3855
3856 2009-03-19  Ben Elliston  <bje@au.ibm.com>
3857
3858         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
3859         option; change to -msdata=data.
3860
3861 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3862
3863         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
3864         and -fopenmp.
3865
3866 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
3867
3868         PR target/35180
3869         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
3870
3871 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
3872
3873         * doc/invoke.texi (Code Gen Options): Expand discussion of
3874         -fno-common.
3875
3876 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
3877
3878         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
3879         * matrix-reorg.c (struct matrix_info): Likewise.
3880         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
3881         * rtl.h (struct mem_attrs): Likewise.
3882         * df.h (struct df): Likewise.
3883         * tree-data-ref.h (struct data_dependence_relation): Likewise.
3884         * ira-int.h (struct ira_allocno): Likewise.
3885         * df-scan.c (struct df_collection_rec): Likewise.
3886         * ira.c (struct equivalence): Likewise.
3887         * function.c (struct temp_slot): Likewise.
3888         * cfgloop.h (struct loop): Likewise.
3889
3890         PR debug/39485
3891         * function.c (use_register_for_decl): When not optimizing, disregard
3892         register keyword for variables with types containing methods.
3893
3894 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
3895
3896         PR middle-end/39447
3897         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
3898         (is_simple_operand): Call contains_component_ref_p before calling data
3899         reference analysis that would fail on COMPONENT_REFs.
3900
3901         * tree-vrp.c (search_for_addr_array): Fix formatting.
3902
3903 2009-03-18  Richard Guenther  <rguenther@suse.de>
3904
3905         * tree-vect-transform.c (vect_loop_versioning): Fold the
3906         generated comparisons.
3907         * tree-vectorizer.c (set_prologue_iterations): Likewise.
3908         (slpeel_tree_peel_loop_to_edge): Likewise.
3909
3910 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3911
3912         PR middle-end/37805
3913         * opts.c (print_specific_help): In addition to `undocumented',
3914         accept `separate' and `joined' flags if passed alone.  Describe
3915         output by the first matched one of those.
3916         (common_handle_option): Skip over empty strings.
3917         * gcc.c (display_help): Fix help string for `--help='.
3918         * doc/invoke.texi (Option Summary, Overall Options): With
3919         `--help=', classes and qualifiers can both be repeated, but
3920         only the latter can be negated.  One should not pass only
3921         negated qualifiers.  Fix markup and examples.
3922
3923         Revert
3924         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
3925         PR middle-end/37805
3926         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
3927         and -fhelp=separate.
3928
3929 2009-03-17  Jing Yu  <jingyu@google.com>
3930
3931         PR middle-end/39378
3932         * function.h (struct rtl_data): Move is_thunk from here...
3933         (struct function): ...to here.
3934         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
3935         * varasm.c (assemble_start_function): Change is_thunk from crtl to
3936         cfun.
3937         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
3938         cfun.
3939         (alpha_does_function_need_gp, alpha_start_function): Likewise.
3940         (alpha_output_function_end_prologue): Likewise.
3941         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
3942         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
3943         (rs6000_output_function_epilogue): Likewise.
3944         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
3945
3946 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
3947
3948         PR target/39482
3949         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
3950         from different units in a single alternative.
3951         (*truncdfsf_i387): Ditto.
3952         (*truncxfsf2_mixed): Ditto.
3953         (*truncxfdf2_mixed): Ditto.
3954
3955 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
3956
3957         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
3958         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
3959
3960         PR debug/39474
3961         * tree-ssa-live.c (remove_unused_locals): Don't remove local
3962         unused non-artificial variables when not optimizing.
3963
3964         PR debug/39471
3965         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
3966         DW_TAG_imported_module even if decl is IMPORTED_DECL with
3967         NAMESPACE_DECL in its DECL_INITIAL.
3968
3969         PR middle-end/39443
3970         * optabs.c (set_user_assembler_libfunc): New function.
3971         * expr.h (set_user_assembler_libfunc): New prototype.
3972         * c-common.c: Include libfuncs.h.
3973         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
3974         for memcmp, memset, memcpy, memmove and abort.
3975         * Makefile.in (c-common.o): Depend on libfuncs.h.
3976
3977         PR debug/39412
3978         * dwarf2out.c (gen_inlined_enumeration_type_die,
3979         gen_inlined_structure_type_die, gen_inlined_union_type_die,
3980         gen_tagged_type_instantiation_die): Removed.
3981         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
3982         do nothing.
3983
3984 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
3985
3986         PR testsuite/38526
3987         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
3988         its use.
3989         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
3990         (check-parallel-%): Ditto.
3991         (check-consistency): Ditto.
3992
3993 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
3994
3995         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
3996         local variable rhs by NULL_TREE.
3997
3998 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
3999
4000         PR target/39477
4001         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
4002
4003 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4004
4005         PR target/39476
4006         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
4007
4008 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4009
4010         PR target/39473
4011         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
4012         for ms->sysv ABI calls only in 64bit mode.
4013
4014         * config/i386/i386.md (untyped_call): Support 32bit.
4015
4016 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
4017
4018         * doc/extend.texi: Replace x86_65 with x86_64.
4019
4020 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
4021
4022         PR tree-optimization/39455
4023         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
4024         mismatches for POINTER_TYPE_P (type).
4025         (number_of_iterations_le): Likewise.
4026
4027 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
4028
4029         * config/picochip/picochip.c: Removed profiling support.
4030         * config/picochip/picochip.md: Removed profiling instruction.
4031         * config/picochip/picochip.h: Removed profiling builtin.
4032
4033 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
4034
4035         * doc/install.texi (--with-host-libstdcxx): Document.
4036
4037 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
4038
4039         PR target/34299
4040         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
4041         generate a warning if the function name does not begin with
4042         "__vector" and the function has either the 'signal' or 'interrupt'
4043         attribute, from here to ...
4044         (avr_declare_function_name): ...here. New function.
4045         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
4046         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
4047
4048 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
4049
4050         PR bootstrap/39454
4051         * cse.c (fold_rtx): Don't modify original const_arg1 when
4052         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
4053         separate variable instead.
4054         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
4055         from out of range shift counts.
4056         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
4057
4058 2008-03-13  Catherine Moore  <clm@codesourcery.com>
4059
4060         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
4061         diagnostic.h with $(DIAGNOSTIC_H).
4062
4063 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
4064
4065         PR target/39431
4066         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
4067         predicate.
4068         * config/i386/sync.md (sync_compare_and_swap<mode>,
4069         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
4070         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
4071         into a register.
4072         (sync_double_compare_and_swapdi_pic,
4073         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
4074         cmpxchg8b_pic_memory_operand instead of just memory_operand.
4075
4076 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4077
4078         PR target/39445
4079         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
4080
4081 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4082
4083         PR target/39327
4084         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4085         (avx_addsubv4df3): Likewise.
4086         (*avx_addsubv4sf3): Likewise.
4087         (sse3_addsubv4sf3): Likewise.
4088
4089 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4090
4091         PR target/38824
4092         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
4093
4094 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
4095
4096         PR debug/39432
4097         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
4098         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
4099         registers for allocnos created from user-defined variables.
4100
4101 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4102
4103         PR target/39181
4104         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
4105         of non-integer mode as well.
4106
4107 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
4108
4109         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
4110         for functions for which the parameter types are unknown.
4111
4112 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
4113
4114         PR target/39137
4115         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
4116         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
4117         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
4118         * config/i386/i386.c (ix86_local_alignment): For
4119         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
4120         long long variables on the stack to avoid dynamic realignment.
4121         Allow the first argument to be a decl rather than type.
4122         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
4123
4124 2009-03-11  Nick Clifton  <nickc@redhat.com>
4125
4126         PR target/5362
4127         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4128         options.
4129         Add description to mno-lsim option.
4130         * config/mcore/mcore.h: Remove comment about deprecated m4align
4131         option.
4132         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4133         * doc/invoke.texi: Add description of mno-lsim and
4134         mstack-increment options.
4135
4136         * config/fr30/fr30.opt: Document the -mno-lsim option.
4137         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4138         and -mno-lsim options.
4139
4140 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4141
4142         * fold-const.c (fold_comparison): Only call fold_inf_compare
4143         if the mode supports infinities.
4144
4145 2009-03-11  Jason Merrill  <jason@redhat.com>
4146
4147         PR debug/39086
4148         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4149         end already did.  Notice GIMPLE_CALL modifications of the result.
4150         Don't copy debug information from an ignored decl or a decl from
4151         another function.
4152
4153 2009-03-10  Richard Guenther  <rguenther@suse.de>
4154             Nathan Froyd  <froydnj@codesourcery.com>
4155
4156         PR middle-end/37850
4157         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4158         (__divMODE3): Likewise.
4159
4160 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
4161
4162         PR tree-optimization/39394
4163         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4164         DECL_SIZE_UNIT of variable length FIELD_DECLs.
4165
4166 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4167
4168         * recog.c (verfiy_changes): Disallow renaming of hard regs in
4169         inline asms for register asm ("") declarations.
4170
4171 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
4172
4173         * fold-const.c (fold_unary): Fix comment.
4174
4175 2009-03-07  Jan Hubicka  <jh@suse.cz>
4176
4177         PR target/39361
4178         * tree-inline.c (setup_one_parameter): Do replacement of const
4179         argument by constant in SSA form.
4180
4181 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4182
4183         PR middle-end/38028
4184         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4185         determine alignment passed to assign_stack_local.
4186         (assign_parms_unsplit_complex): Likewise.
4187         * except.c (sjlj_build_landing_pads): Likewise.
4188
4189 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4190
4191         PR middle-end/39360
4192         * tree-flow.h (add_referenced_var): Return bool instead of void.
4193         * tree-dfa.c (add_referenced_var): Return result of
4194         referenced_var_check_and_insert call.
4195         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4196         of referenced_var_check_and_insert.
4197
4198         PR debug/39372
4199         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4200         (gen_variable_die): Emit DW_AT_location on abstract static variable's
4201         DIE, don't emit it if abstract origin already has it.
4202         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4203         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4204
4205 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4206
4207         * genpreds.c (needs_variable): Fix parentheses at variable name
4208         detection.
4209         (write_tm_constrs_h): Indent generated code.
4210
4211 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4212
4213         * doc/extend.texi (Function Attributes): Add documentation
4214         for isr attributes.
4215
4216 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4217
4218         PR debug/39387
4219         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4220         take locus from its DECL_SOURCE_LOCATION instead of input_location.
4221
4222 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4223
4224         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4225         the loop as bad.
4226
4227 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
4228
4229         PR debug/39379
4230         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4231         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4232
4233 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
4234
4235         * config/i386/i386.md (R8_REG, R9_REG): New constants.
4236         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4237         constants instead of magic numbers.
4238         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4239         (QI_REG_P): Ditto.
4240         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4241         (x86_64_ms_abi_int_parameter_registers): Ditto.
4242         (x86_64_int_return_registers): Ditto.
4243         (ix86_maybe_switch_abi): Ditto.
4244         (ix86_expand_call): Ditto for clobbered_registers array.
4245         (ix86_hard_regno_mode_ok): Ditto.
4246         (x86_extended_QIreg_mentioned_p): Ditto.
4247
4248 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
4249
4250         PR tree-optimization/39349
4251         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4252
4253         * combine.c (gen_lowpart_for_combine): Use omode when generating
4254         clobber.
4255
4256 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
4257
4258         PR rtl-optimization/39235
4259         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4260
4261 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4262
4263         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4264
4265 2009-03-04  Richard Guenther  <rguenther@suse.de>
4266
4267         PR tree-optimization/39362
4268         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4269         that occur in abnormal PHIs should be varying.
4270
4271 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4272
4273         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4274         Extend comments.
4275         (simple_iv):  Take loop as an argument instead of statement.
4276         * tree-scalar-evolution.h (simple_iv): Declaration changed.
4277         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4278         to simple_iv.
4279         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4280         Ditto.
4281         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4282         * matrix-reorg.c (analyze_transpose): Ditto.
4283         * tree-data-ref.c (dr_analyze_innermost): Ditto.
4284         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4285         * tree-predcom.c (ref_at_iteration): Ditto.
4286         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4287
4288 2009-03-04  Richard Guenther  <rguenther@suse.de>
4289
4290         PR tree-optimization/39358
4291         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4292         escaped_id and callused_id.
4293         (solve_graph): Likewise.
4294
4295 2009-03-04  Richard Guenther  <rguenther@suse.de>
4296
4297         PR tree-optimization/39339
4298         * tree-sra.c (try_instantiate_multiple_fields): Make it
4299         no longer ICE on the above.
4300
4301 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
4302
4303         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4304         that fits within Pmode.
4305
4306 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4307
4308         PR middle-end/10109
4309         * tm.texi (LIBCALL_VALUE): Update description.
4310
4311 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4312
4313         PR middle-end/34443
4314         * doc/extend.texi (section): Update description.
4315
4316 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
4317
4318         PR middle-end/39345
4319         * tree-inline.c (remapped_type): New.
4320         (can_be_nonlocal): Call remapped_type instead of remap_type.
4321
4322 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4323
4324         PR fortran/39354
4325         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4326         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4327
4328 2009-03-03  Richard Guenther  <rguenther@suse.de>
4329
4330         PR middle-end/39272
4331         * tree.c (tree_nonartificial_location): New function.
4332         * tree.h (tree_nonartificial_location): Declare.
4333         * builtins.c (expand_builtin_memory_chk): Provide location
4334         of the call location for artificial function pieces.
4335         (maybe_emit_chk_warning): Likewise.
4336         (maybe_emit_sprintf_chk_warning): Likewise.
4337         (maybe_emit_free_warning): Likewise.
4338         * expr.c (expand_expr_real_1): Likewise.
4339
4340 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4341
4342         PR tree-optimization/39343
4343         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4344         COMPONENT_REF t has ARRAY_TYPE.
4345
4346 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4347
4348         PR middle-end/39335
4349         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4350         when the type precision of the induction variable should be
4351         larger than the type precision of nit.
4352         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4353         * graphite.c (graphite_loop_normal_form): Same.
4354         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4355
4356 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4357
4358         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4359         (*call_1_rex64_ms_sysv): Use named constants instead of magic
4360         numbers to describe clobbered registers.
4361         (*call_value_0_rex64_ms_sysv): Ditto.
4362         * config/i386/mmx.md (mmx_emms): Ditto.
4363         (mmx_femms): Ditto.
4364
4365 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
4366
4367         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4368         of ABI_64.
4369
4370 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4371
4372         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4373         (spu_section_type_flags): New function.
4374
4375 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4376
4377         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4378         reg_class_contents of FLOAT_REGS into a temporary.
4379
4380 2009-03-02  Richard Guenther  <rguenther@suse.de>
4381             Ira Rosen  <irar@il.ibm.com>
4382
4383         PR tree-optimization/39318
4384         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4385         information to the vectorized statement.
4386
4387 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
4388
4389         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4390         variable.  Use defined names instead of magic constants for REX SSE
4391         registers.
4392
4393 2009-03-01  Richard Guenther  <rguenther@suse.de>
4394
4395         PR tree-optimization/39331
4396         * omp-low.c (lower_send_shared_vars): Do not receive new
4397         values for the reference of DECL_BY_REFERENCE parms or results.
4398
4399 2009-03-01  Jan Hubicka  <jh@suse.cz>
4400
4401         PR debug/39267
4402         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4403         BLOCK_NONLOCALIZED_VAR): New macros.
4404         (tree_block): Add nonlocalized_vars.
4405         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4406         gen_decl_die): Add origin argument.  Allow generation of die with
4407         origin at hand only.
4408         (gen_member_die, gen_type_die_with_usage, force_decl_die,
4409         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4410         of gen_*.
4411         (gen_block_die): Fix checking for unused blocks.
4412         (process_scope_var): Break out from .... ; work with origins only.
4413         (decls_for_scope) ... here; process nonlocalized list.
4414         (dwarf2out_ignore_block): Look for nonlocalized vars.
4415         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4416         vars.
4417         (dump_scope_block): Dump them.
4418         * tree-inline.c (remap_decls): Handle nonlocalized vars.
4419         (remap_block): Likewise.
4420         (can_be_nonlocal): New predicate.
4421         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4422
4423 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4424
4425         * configure: Regenerate.
4426
4427 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4428
4429         * optc-gen.awk: No need to duplicate option flags twice.
4430         Reuse help texts for duplicate options which do not have any.
4431
4432         * gcc.c (display_help): Document --version.
4433
4434         * gcc.c (main): If print_help_list and verbose_flag, ensure
4435         driver output comes before subprocess output.
4436
4437         * optc-gen.awk: Assign all remaining fields to help string,
4438         space-separated, for multi-line help in *.opt.
4439
4440         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4441         -Wno-pedantic-ms-format is for MinGW targets only.
4442
4443         * doc/options.texi (Option file format): Fix bad indentation,
4444         restoring dropped sentence.
4445
4446 2009-02-28  Jan Hubicka  <jh@suse.cz>
4447
4448         * tree-inline.c (tree_function_versioning): Output debug info.
4449
4450 2009-02-28  Jan Hubicka  <jh@suse.cz>
4451
4452         PR debug/39267
4453         * tree-inline.c (setup_one_parameter): Do not copy propagate
4454         arguments when not optimizing.
4455
4456 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
4457
4458         PR target/39327
4459         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4460         (avx_addsubv4df3): Likewise.
4461         (*avx_addsubv4sf3): Likewise.
4462         (sse3_addsubv4sf3): Likewise.
4463         (*avx_addsubv2df3): Likewise.
4464         (sse3_addsubv2df3): Likewise.
4465         (avx_unpckhps256): Correct item selectors.
4466         (avx_unpcklps256): Likewise.
4467         (avx_unpckhpd256): Likewise.
4468         (avx_unpcklpd256): Likewise.
4469
4470 2009-02-28  Jan Hubicka  <jh@suse.cz>
4471
4472         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4473         static vars.
4474         (copy_arguments_for_versioning): If var is declared don't declare it.
4475         (tree_function_versioning): First setup substitutions and then copy
4476         args.
4477
4478 2009-02-27  Jan Hubicka  <jh@suse.cz>
4479
4480         PR debug/39267
4481         * cgraph.h (varpool_output_debug_info): Remove.
4482         * cgraphunit.c (varpool_output_debug_info): Remove.
4483         * dwarf2out.c (deferred_locations_struct): New struct
4484         (deferred_locations): New type.
4485         (deferred_locations_list): New static var.
4486         (deffer_location): New function.
4487         (gen_variable_die): Use it.
4488         (decls_for_scope): Output info on local static vars.
4489         (dwarf2out_finish): Process deferred locations.
4490         * varpool.c (varpool_output_debug_info): Remove.
4491
4492 2009-02-27  Jan Hubicka  <jh@suse.cz>
4493
4494         PR debug/39267
4495         * tree.h (TREE_PROTECTED): Fix comment.
4496         (BLOCK_HANDLER_BLOCK): Remove.
4497         (struct tree_block): Remove handler_block add body_block.
4498         (inlined_function_outer_scope_p): New.
4499         (is_body_block): Remove.
4500         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4501         * dwarf2out.c (is_inlined_entry_point): Remove.
4502         (add_high_low_attributes): Use inlined_function_outer_scope_p.
4503         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
4504         code.
4505         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4506         * gimplify.c (gimplify_expr): Gimplify body blocks.
4507         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4508         block with multiple subblocks.
4509         (dump_scope_block): Prettier output; dump more flags and info.
4510         (dump_scope_blocks): New.
4511         (remove_unused_locals): Use dump_scope_blocks.
4512         * tree-flow.h (dump_scope_blocks): Declare.
4513         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4514         * stmt.c (is_body_block): Remove.
4515         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4516         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4517
4518 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4519
4520         PR middle-end/39308
4521         * graphite.c (graphite_loop_normal_form): Do not call 
4522         number_of_iterations_exit from a gcc_assert.
4523
4524 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4525
4526         * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
4527         jumps if COND is NULL.
4528         (find_cond_jump): New function.
4529         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
4530         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
4531
4532 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
4533
4534         * config/alpha/alpha.h (alpha_expand_mov): Return false if
4535         force_const_mem returns NULL_RTX.
4536
4537 2009-02-26  Jan Hubicka  <jh@suse.cz>
4538
4539         PR debug/39267
4540         * cgraph.h (varpool_output_debug_info): Remove.
4541         * cgraphunit.c (varpool_output_debug_info): Remove.
4542         * dwarf2out.c (deferred_locations_struct): New struct
4543         (deferred_locations): New type.
4544         (deferred_locations_list): New static var.
4545         (deffer_location): New function.
4546         (gen_variable_die): Use it.
4547         (decls_for_scope): Output info on local static vars.
4548         (dwarf2out_finish): Process deferred locations.
4549         * varpool.c (varpool_output_debug_info): Remove.
4550
4551 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
4552
4553         PR rtl-optimization/39241
4554         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
4555         to subreg_offset_representable_p.
4556
4557 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
4558
4559         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4560         execute function prototype.  Get f and nregs from max_reg_num
4561         and get_insns.  Remove the first backward pass as it's dead,
4562         guard the forward pass by flag_expensive_optimizations.
4563         (rest_of_handle_regmove): Delete.
4564         (pass_regmove): Replace it with regmove_optimize.
4565
4566 2009-02-25  Martin Jambor  <mjambor@suse.cz>
4567
4568         PR tree-optimization/39259
4569         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
4570         calls_alloca function flags.
4571         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
4572         calls are detected.
4573
4574 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
4575
4576         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
4577         flags_set_1_rtx, flags_set_1_set): Delete.
4578         (regmove_optimize): Do not call mark_flags_life_zones.
4579
4580 2009-02-24  Julian Brown  <julian@codesourcery.com>
4581
4582         PR target/35965
4583         * config/arm/arm.c (require_pic_register): Only set
4584         cfun->machine->pic_reg once per function.
4585
4586 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
4587
4588         * doc/invoke.texi (Link Options): Document an easier way to pass
4589         options that take arguments to the GNU linker using -Xlinker and -Wl.
4590
4591 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
4592
4593         PR target/33785
4594         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
4595
4596 2009-02-24  Richard Guenther  <rguenther@suse.de>
4597
4598         PR debug/39285
4599         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
4600
4601 2009-02-24  Richard Guenther  <rguenther@suse.de>
4602             Zdenek Dvorak  <ook@ucw.cz>
4603
4604         PR tree-optimization/39233
4605         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
4606         from converting them to a generic type.
4607
4608 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4609
4610         PR tree-optimization/39260
4611         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
4612         contains a condition with a real type.
4613         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
4614
4615 2009-02-23  Jason Merrill  <jason@redhat.com>
4616
4617         PR c++/38880
4618         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
4619         narrowing_initializer_constant_valid_p.
4620         (narrowing_initializer_constant_valid_p): Don't return 
4621         null_pointer_node for adding a pointer to itself.
4622
4623 2009-02-23  Jan Hubicka  <jh@suse.cz>
4624
4625         PR c/12245
4626         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
4627         resizing.
4628
4629 2009-02-23  Jan Hubicka  <jh@suse.cz>
4630
4631         PR tree-optimization/37709
4632         * tree.c (block_ultimate_origin): Move here from dwarf2out.
4633         * tree.h (block_ultimate_origin): Declare.
4634         * dwarf2out.c (block_ultimate_origin): Move to tree.c
4635         * tree-ssa-live.c (remove_unused_scope_block_p):
4636         Eliminate blocks containig no instructions nor live variables nor
4637         nested blocks.
4638         (dump_scope_block): New function.
4639         (remove_unused_locals): Enable removal of dead blocks by default;
4640         enable dumping at TDF_DETAILS.
4641
4642 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
4643
4644         * config/i386/i386.c (classify_argument): Don't allow COImode
4645         and OImode.
4646         (function_arg_advance_32): Don't allow OImode.
4647         (function_arg_32): Likewise.
4648         (function_value_32): Likewise.
4649         (return_in_memory_32): Likewise.
4650         (function_arg_64): Remove OImode comment.
4651
4652 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
4653
4654         PR target/39261
4655         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
4656         ix86_expand_vector_set for V4DImode in 64bit mode only.
4657         (ix86_expand_vector_init_one_var): Likewise.
4658
4659 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4660
4661         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
4662
4663 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
4664
4665         PR bootstrap/39257
4666         * loop-iv.c: Revert last change.
4667         * emit-rtl.c: Likewise.
4668
4669 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
4670
4671         PR target/39256
4672         * config/i386/i386.c (type_natural_mode): Remove an extra
4673         space in the warning message.
4674         (function_value_32): Handle 32-byte vector modes.
4675         (return_in_memory_32): Likewise.
4676
4677 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
4678
4679         * loop-iv.c (truncate_value): New function.
4680         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
4681         of lowpart_subreg.
4682         (lowpart_subreg): Move to...
4683         * emit-rtl.c: ...here.
4684
4685 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
4686
4687         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
4688         accidental and undocumented change at revision 140860.
4689
4690 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
4691
4692         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
4693         take gimple_seq * arguments.
4694         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
4695         types_compatible_p langhook.
4696
4697 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
4698             Joseph Myers  <joseph@codesourcery.com>
4699
4700         * config/arm/arm.c (arm_builtin_va_list): New function.
4701         (arm_expand_builtin_va_start): Likewise.
4702         (arm_gimplify_va_arg_expr): Likewise.
4703         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
4704         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
4705         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
4706         (va_list_type): New variable.
4707         (arm_mangle_type): Mangle va_list_type appropriately.
4708
4709 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
4710
4711         PR middle-end/39157
4712         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
4713         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
4714         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
4715         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
4716         parameter to 1000 for -O1 by default.
4717         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
4718         parameter.
4719         * loop-invariant.c: Include params.h.
4720         (move_loop_invariants): Don't call move_single_loop_invariants on
4721         very large loops.
4722
4723 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
4724
4725         * calls.c (emit_library_call_value_1): Use slot_offset instead of
4726         offset when calculating bounds for indexing stack_usage_map.  Fixes
4727         a buffer overflow with certain target setups.
4728
4729 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
4730
4731         PR target/39240
4732         * calls.c (expand_call): Clear try_tail_call if caller and callee
4733         disagree in promotion of function return value.
4734
4735 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
4736
4737         PR target/39175
4738         * c-common.c (c_determine_visibility): If visibility changed and
4739         DECL_RTL has been already set, call make_decl_rtl to update symbol
4740         flags.
4741
4742 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
4743
4744         PR c++/39188
4745         * varasm.c (assemble_variable): Don't check DECL_NAME when
4746         globalizing a variable.
4747
4748 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
4749
4750         PR c/38483
4751         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
4752         expression before any __builtin_trap call.
4753         * c-typeck.c (build_function_call): Convert and check function
4754         arguments before generating a call to a trap.  Evaluate the
4755         function arguments before the trap.
4756
4757 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
4758
4759         PR target/39228
4760         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
4761         (UNSPEC_FXAM_MEM): New unspec.
4762         (fxam<mode>2_i387_with_temp): New insn and split pattern.
4763         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
4764         memory using fxam<mode>2_i387_with_temp to remove excess precision.
4765
4766 2009-02-19  Richard Guenther  <rguenther@suse.de>
4767
4768         PR tree-optimization/39207
4769         PR tree-optimization/39074
4770         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
4771         storedanything_tree): New.
4772         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
4773         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
4774         (build_succ_graph): Add edges from STOREDANYTHING to all
4775         non-direct nodes.
4776         (init_base_vars): Initialize STOREDANYTHING.
4777         (compute_points_to_sets): Free substitution info after
4778         building the succ graph.
4779         (ipa_pta_execute): Likewise.
4780
4781         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
4782         field.
4783         (do_ds_constraint): Do not add to special var or non-pointer
4784         field solutions.
4785         (type_could_have_pointers): Split out from ...
4786         (could_have_pointers): ... here.  For arrays use the element type.
4787         (create_variable_info_for): Initialize may_have_pointers.
4788         (new_var_info): Likewise.
4789         (handle_lhs_call): Make the HEAP variable unknown-sized.
4790         (intra_create_variable_infos): Use a type with pointers for
4791         PARM_NOALIAS, make it unknown-sized.
4792
4793 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
4794
4795         PR target/39224
4796         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
4797
4798 2009-02-18  Jason Merrill  <jason@redhat.com>
4799
4800         PR target/39179
4801         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
4802         value if DECL_EXTERNAL.
4803         * tree-sra.c (sra_walk_gimple_assign): Likewise.
4804         * target.h (gcc_target::binds_local_p): Clarify "module".
4805         * tree.h (TREE_PUBLIC): Clarify "module".
4806
4807 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
4808
4809         PR target/38891
4810         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
4811         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
4812
4813 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
4814
4815         PR target/39082
4816         * c.opt (Wabi): Support C and ObjC.
4817         (Wpsabi): New.
4818
4819         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
4820
4821         * config/i386/i386.c (classify_argument): Warn once about the ABI
4822         change when passing union with long double.
4823
4824         * doc/invoke.texi: Update -Wabi for warning psABI changes.
4825
4826 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
4827
4828         PR c/35447
4829         * c-parser.c (c_parser_compound_statement): Always enter and leave
4830         a scope.
4831
4832 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4833
4834         PR target/34587
4835         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
4836
4837 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
4838
4839         PR tree-optimization/36922
4840         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
4841         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
4842         Likewise.
4843
4844 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
4845
4846         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
4847         to 0 for EABI64.
4848
4849 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
4850
4851         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
4852
4853 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
4854
4855         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
4856         tree sharing.
4857
4858 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
4859             Richard Sandiford  <rdsandiford@googlemail.com>
4860
4861         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
4862         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
4863         (loongson_biadd): ...this.
4864
4865 2009-02-17  Richard Guenther  <rguenther@suse.de>
4866
4867         PR tree-optimization/39202
4868         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
4869         a var make sure to follow existing collapses.
4870
4871 2009-02-17  Richard Guenther  <rguenther@suse.de>
4872
4873         PR middle-end/39214
4874         * langhooks.c (lhd_print_error_function): Check for NULL block.
4875
4876 2009-02-17  Richard Guenther  <rguenther@suse.de>
4877
4878         PR tree-optimization/39204
4879         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
4880         of the PHI arg.
4881
4882 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
4883
4884         * config/soft-fp/double.h: Update from glibc CVS.
4885
4886 2009-02-17  Richard Guenther  <rguenther@suse.de>
4887
4888         PR tree-optimization/39207
4889         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
4890         strict-aliasing warnings for pointers pointing to NULL.
4891
4892 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
4893
4894         PR c/35446
4895         * c-parser.c (c_parser_braced_init): Call pop_init_level when
4896         skipping until next close brace.
4897
4898 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
4899
4900         PR target/37049
4901         * config/i386/i386.c (ix86_expand_push): Set memory alignment
4902         to function argument boundary.
4903
4904 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
4905
4906         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
4907         in the lea_add. Reload eventually constraints it properly.
4908         * config/picochip/constraints.md : Remove the target constraint
4909         "b", since it is not needed anymore.
4910
4911 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
4912
4913         * gthr-dce.h: Uglify function parameter and local variable names.
4914         * gthr-gnat.h: Likewise.
4915         * gthr-mipssde.h: Likewise.
4916         * gthr-nks.h: Likewise.
4917         * gthr-posix95.h: Likewise.
4918         * gthr-posix.h: Likewise.
4919         * gthr-rtems.h: Likewise.
4920         * gthr-single.h: Likewise.
4921         * gthr-solaris.h: Likewise.
4922         * gthr-tpf.h: Likewise.
4923         * gthr-vxworks.h: Likewise.
4924         * gthr-win32.h: Likewise.
4925
4926 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
4927
4928         PR target/39196
4929         * config/i386/i386.md: Restrict the new peephole2 to move
4930         between MMX/SSE registers.
4931
4932 2009-02-15  Richard Guenther  <rguenther@suse.de>
4933
4934         Revert
4935         2009-02-13  Richard Guenther  <rguenther@suse.de>
4936
4937         * configure.ac: Enable LFS.
4938         * configure: Re-generate.
4939         * config.in: Likewise.
4940
4941 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4942
4943         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
4944         spu_srqwbyte, spu_srqwbytebc): Define.
4945         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
4946         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
4947         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
4948         "shrqby_<mode>"): New insn-and-split patterns.
4949         * config/spu/spu.c (expand_builtin_args): Determine and return
4950         number of operands using spu_builtin_description data.
4951         (spu_expand_builtin_1): Use it.
4952
4953 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
4954
4955         PR target/38056
4956         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
4957         TARGET_CONST_GP.
4958
4959 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
4960
4961         PR target/39149
4962         * config/i386/i386.c (override_options): Correct warning
4963         messages for -malign-loops, -malign-jumps and -malign-functions.
4964
4965 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
4966
4967         PR target/39152
4968         * config/i386/i386.md: Restrict the new peephole2 to move
4969         between the general purpose registers.
4970
4971 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
4972
4973         PR target/39162
4974         * config/i386/i386.c (type_natural_mode): Add a new argument.
4975         Return the original mode and warn ABI change if vector size is 32byte.
4976         (function_arg_advance): Updated.
4977         (function_arg): Likewise.
4978         (ix86_function_value): Likewise.
4979         (ix86_return_in_memory): Likewise.
4980         (ix86_sol10_return_in_memory): Likewise.
4981         (ix86_gimplify_va_arg): Likewise.
4982         (function_arg_32): Don't warn ABX ABI change here.
4983         (function_arg_64): Likewise.
4984
4985 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
4986
4987         * loop-iv.c (implies_p): In the final case, test that operands 0
4988         of the two comparisons match.
4989
4990         * config/bfin/bfin.c (find_prev_insn_start): New function.
4991         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
4992         (find_next_insn_start): Move.
4993
4994 2009-02-13  Richard Guenther  <rguenther@suse.de>
4995
4996         * configure.ac: Enable LFS.
4997         * configure: Re-generate.
4998         * config.in: Likewise.
4999
5000 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
5001
5002         PR c/35444
5003         * c-parser.c (c_parser_parms_list_declarator): Discard pending
5004         sizes on syntax error after some arguments have been parsed.
5005
5006 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
5007
5008         * doc/invoke.texi (-fira): Remove.
5009
5010 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5011
5012         * caller-save.c: Replace regclass.c with reginfo.c in comments.
5013         * recog.c: Likewise.
5014         * rtl.h: Likewise.
5015
5016 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
5017
5018         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
5019         (umul_ppmm): Likewise.
5020         (count_leading_zeros): Likewise.
5021         (count_trailing_zeros): Likewise.
5022         (UMUL_TIME): Likewise.
5023
5024 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5025
5026         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
5027         soft-fp/t-softfp to tmake_file.
5028
5029         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
5030         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
5031         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
5032         IA64_BUILTIN_INFQ]: New.
5033         (ia64_init_builtins): Initialize __builtin_infq,
5034         __builtin_fabsq and __builtin_copysignq if not HPUX.
5035         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
5036         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
5037
5038         * config/ia64/lib1funcs.asm (__divtf3): Define only if
5039         SHARED is defined.
5040         (__fixtfti): Likewise.
5041         (__fixunstfti): Likewise.
5042         (__floattitf): Likewise.
5043
5044         * config/ia64/libgcc-glibc.ver: New.
5045         * config/ia64/t-fprules-softfp: Likewise.
5046         * config/ia64/sfp-machine.h: Likewise.
5047
5048         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
5049         (LIBGCC2_TF_CEXT): Likewise.
5050         (TF_SIZE): Likewise.
5051         (TARGET_INIT_LIBFUNCS): Likewise.
5052
5053         * config/ia64/t-glibc (SHLINB_MAPFILES):
5054         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
5055
5056 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5057
5058         * config/i386/i386.c (construct_container): Rewrite processing
5059         BLKmode with X86_64_SSE_CLASS.
5060
5061 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
5062
5063         PR target/39152
5064         * config/i386/i386.md: Replace simplify_replace_rtx with
5065         replace_rtx in the new peephole2.
5066
5067 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
5068
5069         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
5070         loop unrolling do not happen at -O2.
5071
5072 2009-02-12  Michael Matz  <matz@suse.de>
5073
5074         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
5075
5076 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
5077
5078         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
5079         for -g3.
5080
5081 2009-02-12  Ben Elliston  <bje@au.ibm.com>
5082
5083         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
5084         patterns when updating the back chain.  Missed in the 2009-02-10
5085         change.
5086
5087 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
5088
5089         * doc/extend.texi (Decimal Floating Types): Update identifier of
5090         draft TR and list of missing support.
5091
5092 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
5093
5094         PR middle-end/39154
5095         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
5096         bit to variable length decl's flags, add it also to its
5097         pointer replacement variable.
5098
5099 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
5100             Jakub Jelinek  <jakub@redhat.com>
5101
5102         PR target/39118
5103         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
5104         (memory_blockage): New expander.
5105         (*memory_blockage): New insn pattern.
5106         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
5107         instead of general blockage at the end of function prologue when
5108         frame pointer is used to access red zone area.  Do not emit blockage
5109         when profiling, it is emitted in generic code.
5110         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
5111         function epilogue when frame pointer is used to access red zone area.
5112
5113 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
5114
5115         PR target/38824
5116         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
5117         by arithmetic with memory operands.
5118         * config/i386/predicates.md (commutative_operator): New.
5119
5120 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
5121
5122         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
5123         bulleted lists.
5124
5125 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
5126
5127         * alias.h (record_alias_subset): Declare.
5128         * alias.c (record_alias_subset): Make global.
5129
5130 2009-02-10  Nick Clifton  <nickc@redhat.com>
5131
5132         * tree-parloops.c: Change license to GPLv3.
5133         * ipa-struct-reorg.c: Change license to GPLv3.
5134         * ipa-struct-reorg.h: Change license to GPLv3.
5135
5136 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
5137
5138         PR c/39084
5139         * c-decl.c (start_struct): Return NULL on error.
5140
5141 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
5142
5143         PR middle-end/39124
5144         * cfgloopmanip.c (remove_path): Call remove_bbs after
5145         cancel_loop_tree, not before it.
5146
5147         PR target/39139
5148         * function.h (struct function): Add has_local_explicit_reg_vars bit.
5149         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5150         VAR_DECLs were seen.
5151         * tree-ssa-live.c (remove_unused_locals): Recompute
5152         cfun->has_local_explicit_reg_vars.
5153         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5154         copies or clearings if cfun->has_local_explicit_reg_vars.
5155
5156 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
5157
5158         PR target/39118
5159         * config/i386/i386.c (expand_prologue): Emit blockage at the end
5160         of function prologue when frame pointer is used to access
5161         red zone area.
5162
5163 2009-02-10  Richard Guenther  <rguenther@suse.de>
5164
5165         PR middle-end/39127
5166         * gimplify.c (gimple_regimplify_operands): Always look if
5167         we need to create a temporary.
5168
5169 2009-02-10  Richard Guenther  <rguenther@suse.de>
5170
5171         PR tree-optimization/39132
5172         * tree-loop-distribution.c (todo): New global var.
5173         (generate_memset_zero): Trigger TODO_rebuild_alias.
5174         (tree_loop_distribution): Return todo.
5175
5176 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
5177
5178         PR target/39119
5179         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5180         (x86_64_reg_class_name): Removed.
5181         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
5182         first one isn't X86_64_SSE_CLASS or any other ones aren't
5183         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
5184         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5185         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
5186         and 3 X86_64_SSEUP_CLASS.
5187         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
5188         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5189
5190 2009-02-10  Ben Elliston  <bje@au.ibm.com>
5191
5192         * config/rs6000/rs6000.md (allocate_stack): Always use an update
5193         form instruction to update the stack back chain word, even if the
5194         user has disabled the generation of update instructions.
5195         (movdi_<mode>_update_stack): New.
5196         (movsi_update_stack): Likewise.
5197         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5198         always use an update form instruction to update the stack back
5199         chain word.
5200
5201 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
5202
5203         PR middle-end/38953
5204         * graphite.c (if_region_set_false_region): After moving a region in
5205         the false branch of a condition, remove the empty dummy basic block.
5206         (gloog): Remove wrong fix for PR38953.
5207
5208 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5209
5210         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5211         generation due to implicit sign extension.
5212
5213 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
5214
5215         PR middle-end/38981
5216         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5217         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5218
5219 2009-02-09  Richard Guenther  <rguenther@suse.de>
5220
5221         PR middle-end/35202
5222         * convert.c (convert_to_real): Disable (float)fn((double)x)
5223         to fnf(x) conversion if errno differences may occur and
5224         -fmath-errno is set.
5225
5226 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
5227
5228         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5229         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5230         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5231
5232 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5233
5234         PR c/35434
5235         * c-common.c (handle_alias_attribute): Disallow attribute for
5236         anything not a FUNCTION_DECL or VAR_DECL.
5237
5238 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
5239
5240         PR c/39035
5241         * real.c (do_compare): Special-case compare of zero against
5242         decimal float value.
5243
5244 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5245
5246         PR c/36432
5247         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5248         as indicating flexible array members unless the field itself is
5249         being declarared as the incomplete array.
5250
5251 2009-02-06  Jan Hubicka  <jh@suse.cz>
5252
5253         PR tree-optimization/38844
5254         * ipa-inline.c (try_inline): Stop inlining recursion when edge
5255         is already inlined.
5256
5257 2009-02-06  Richard Guenther  <rguenther@suse.de>
5258
5259         PR middle-end/38977
5260         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5261         fork because we may expand it as __gcov_fork.
5262
5263 2009-02-06  Nick Clifton  <nickc@redhat.com>
5264
5265         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5266
5267 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
5268
5269         PR tree-optimization/35659
5270         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5271         vn_phi_eq): Shortcut if hashcode does not match.
5272         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5273         NULL operands.
5274         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5275         and avoid iterative_hash_expr.
5276         (FOR_EACH_VALUE_ID_IN_SET): New.
5277         (value_id_compare): Remove.
5278         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5279         sort expressions by value id.
5280
5281 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
5282
5283         PR target/38991
5284         * config/sh/predicates.md (general_movsrc_operand): Don't check
5285         the subreg of system registers here.
5286
5287 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
5288
5289         PR c++/39106
5290         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5291         on the copied decl.
5292
5293 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
5294
5295         PR rtl-optimization/39110
5296         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5297         addresses, not aligned ones.
5298
5299 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
5300             Richard Guenther  <rguenther@suse.de>
5301
5302         PR tree-optimization/39100
5303         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5304         comment says and add edges.
5305
5306 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
5307
5308         PR c/35435
5309         * c-common.c (handle_tls_model_attribute): Ignore attribute for
5310         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5311
5312 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
5313
5314         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5315         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5316         register_bb_in_sese, new_sese, free_sese): Moved.
5317         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5318         outermost_loop_in_scop, build_scop_iteration_domain,
5319         expand_scalar_variables_ssa_name, get_vdef_before_scop,
5320         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5321         Use loop_in_sese_p instead of loop_in_scop_p.
5322         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5323         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5324         (scopdet_basic_block_info): Fix bug in scop detection.
5325         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5326         eq_loop_to_cloog_loop): Remove.
5327         (nb_loops_around_loop_in_scop, nb_loop
5328         ref_nb_loops): Moved here...
5329         * graphite.h (ref_nb_loops): ... from here.
5330         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5331         (loop_domain_dim, loop_iteration_vector_dim): Remove.
5332         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5333         * testsuite/gcc.dg/graphite/scop-19.c: New
5334
5335 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
5336             Hans-Peter Nilsson  <hp@axis.com>
5337
5338         PR rtl-optimization/37889
5339         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5340         Move offset handling from PLUS to before the switch.  Use new
5341         arguments when considering SYMBOL_REFs too.
5342         (rtx_addr_can_trap_p): Pass dummy offset and size.
5343         (enum may_trap_p_flags): Remove.
5344         (may_trap_p_1): Pass size from MEM_SIZE.
5345
5346         PR rtl-optimization/38921
5347         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5348         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5349         * rtlanal.c (may_trap_after_code_motion_p): Delete.
5350         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5351
5352 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
5353
5354         AVX Programming Reference (January, 2009)
5355         * config/i386/sse.md (*vpclmulqdq): New.
5356
5357 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
5358
5359         PR tree-optimization/38977
5360         PR gcov-profile/38292
5361         * calls.c (special_function_p): Disregard __builtin_ prefix.
5362
5363 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
5364
5365         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5366         non-indexable addresses even before reload.
5367
5368 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5369
5370         PR c/29129
5371         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5372         as having variable size.  Do not give an error for unnamed
5373         parameters with [*] declarators.  Give a warning for type names
5374         with [*] declarators and mark them as variable size.
5375         * c-parser.c (c_parser_sizeof_expression): Do not give an error
5376         for sizeof applied to [*] type names.
5377
5378 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5379
5380         PR C++/36607
5381         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5382
5383 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5384
5385         * gcc.c (process_command): Update copyright notice dates.
5386         * gcov.c (print_version): Likewise.
5387         * gcov-dump.c (print_version): Likewise.
5388         * mips-tfile.c (main): Likewise.
5389         * mips-tdump.c (main): Likewise.
5390
5391 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5392
5393         PR c/35433
5394         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5395         for composite type involving a zero-length array type.
5396
5397 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5398
5399         PR target/35318
5400         * function.c (match_asm_constraints_1): Skip over
5401         initial optional % in the constraint.
5402
5403         PR inline-asm/39059
5404         * c-parser.c (c_parser_postfix_expression): If fixed point is not
5405         supported, don't accept FIXED_CSTs.
5406         * c-decl.c (finish_declspecs): Error if fixed point is not supported
5407         and _Sat is used without _Fract/_Accum.  Set specs->type to
5408         integer_type_node for cts_fract/cts_accum if fixed point is not
5409         supported.
5410
5411 2009-02-02  Catherine Moore  <clm@codesourcery.com>
5412
5413         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5414
5415 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
5416
5417         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5418         (ABI_HAS_64BIT_SYMBOLS): Use it.
5419         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5420
5421 2009-02-02  Paul Brook  <paul@codesourcery.com>
5422
5423         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5424
5425 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
5426
5427         PR inline-asm/39058
5428         * recog.h (asm_operand_ok): Add constraints argument.
5429         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
5430         recurse on matching constraint.
5431         (check_asm_operands): Pass constraints as 3rd argument to
5432         asm_operand_ok.  Don't look up matching constraint here.
5433         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5434         to asm_operand_ok.
5435
5436 2009-02-02  Ben Elliston  <bje@au.ibm.com>
5437
5438         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5439         TARGET_NARROW_VOLATILE_BITFIELD macro names.
5440
5441 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5442
5443         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5444         information.  Remove some obsolete information.  Reorganize.
5445
5446         * config/pa/fptr.c: Revert license to GPL 2.
5447         * config/pa/milli64.S: Likewise.
5448
5449 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5450
5451         PR target/38904
5452         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
5453         LIBRARY name in, instead of hard-coding it.
5454         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
5455         extra target make frag to tmake_files according to EH model.
5456         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
5457         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
5458         frags that define makefile variable EH_MODEL appropriately.
5459         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
5460         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
5461         to "-sjlj" according to type of EH configured.
5462         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5463         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
5464         to "_sjlj" according to type of EH configured.
5465         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5466         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
5467         (SHLIB_LINK):  Add missing semicolon to if-else construct.
5468         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5469         string value of "pe_dll" command-line option.
5470         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
5471         (SHLIB_SONAME):  Use it when overriding t-cygming default.
5472         (SHLIB_IMPLIB):  Override t-cygming default.
5473         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5474         string value of "pe_dll" command-line option.
5475
5476 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5477
5478         PR target/38952
5479         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5480         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5481
5482 2009-01-31  Richard Guenther  <rguenther@suse.de>
5483
5484         PR tree-optimization/38937
5485         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5486         computing the transitive closure.
5487
5488 2009-01-30  Richard Guenther  <rguenther@suse.de>
5489
5490         PR tree-optimization/39041
5491         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5492         Propagate variable indices only if the types match for this stmt.
5493
5494 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
5495
5496         PR target/39013
5497         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5498         inline but never defined.
5499
5500 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
5501
5502         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5503         (*insv_h_di_reg_extimm): New insn.
5504         (*insv_l<mode>_reg_extimm): New insn.
5505
5506 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
5507
5508         * config/picochip/picochip.c (flag_conserve_stack): set
5509         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5510         fconserve-stack. Reduce call-overhead used by inliner.
5511
5512 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
5513
5514         PR/38157
5515         * common.opt (flag_conserve_stack): Initialised to zero.
5516
5517 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
5518
5519         PR/39002
5520         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5521         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5522         method.
5523
5524 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
5525
5526         * ira-color.c (allocno_reload_assign): Update comments.
5527         * regmove.c (regmove_optimize): Likewise.
5528
5529         * ra.h: Removed.
5530
5531 2009-01-29  Robert Millan  <rmh@aybabtu.com>
5532
5533         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
5534         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
5535         `MD_UNWIND_SUPPORT'.
5536         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
5537
5538 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
5539
5540         PR tree-optimization/39007
5541         * tree-loop-distribution.c (generate_builtin): Use
5542         recompute_dominator to compute the immediate dominator of the
5543         basic block just after the loop.
5544
5545 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5546
5547         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
5548         (ASM_OUTPUT_DWARF_PCREL): Define.
5549
5550 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
5551
5552         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
5553         * doc/passes.texi: Remove entries about regclass, local-alloc, and
5554         global.  Modify entries about regmove and IRA.
5555
5556         * ra-conflict.c: Remove the file.
5557
5558         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
5559
5560         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
5561         (pass_regclass_init): Rename to pass_reginfo_init.
5562
5563         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
5564
5565         * toplev.h (flag_ira): Remove.
5566
5567         * caller-save.c (setup_save_areas): Remove flag_ira.
5568
5569         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
5570
5571         * global.c: Remove the file.
5572
5573         * opts.c (decode_options): Remove flag_ira.
5574
5575         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
5576
5577         * regmove.c: Modify file description.
5578         (find_use_as_address, try_auto_increment): Define them only if
5579         AUTO_INC_DEC is defined.
5580         (replacement_quality, replace_in_call_usage, fixup_match_1,
5581         stable_and_no_regs_but_for_p): Remove.
5582         (reg_set_in_bb): Make it static.
5583         (regmove_optimize): Remove flag_ira and code which worked for
5584         !flag_ira.
5585
5586         * local-alloc.c: Remove the file.
5587
5588         * common.opt (fira): Remove.
5589
5590         * ira.c: Include except.h.
5591         (eliminable_regset): Move from global.c.
5592         (mark_elimination): Ditto.  Remove flag_ira.
5593         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
5594         equiv_mem_modified, validate_equiv_mem_from_store,
5595         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
5596         contains_replace_regs, memref_referenced_p, memref_used_between_p,
5597         no_equiv, recorded_label_ref): Move from local-alloc.c.
5598         (update_equiv_regs): Ditto.  Make it static.
5599         (print_insn_chain, print_insn_chains): Move it from global.c.
5600         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
5601         (build_insn_chain): Ditto.  Make it static.
5602         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
5603         Rename to init_live_subregs.
5604         (gate_ira): Remove flag_ira.
5605
5606         * regclass.c: Rename reginfo.c.  Change file description.
5607         (FORBIDDEN_INC_DEC_CLASSES): Remove.
5608         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
5609         (init_reg_sets_1): Remove code for evaluation of
5610         reg_class_superclasses and losing_caller_save_reg_set.
5611         (init_regs): Remove init_reg_autoinc.
5612         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
5613         ok_for_base_p_nonstrict): Remove.
5614         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
5615         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
5616         corresponding entries.
5617         (dump_regclass, record_operand_costs, scan_one_insn,
5618         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
5619         record_address_regs, auto_inc_dec_reg_p): Remove.
5620         (gt-regclass.h): Rename to gt-reginfo.h.
5621
5622         * rtl.h (dump_global_regs, retry_global_alloc,
5623         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
5624
5625         * Makefile.in (RA_H): Remove.
5626         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
5627         Rename regclass.o to reginfo.o.
5628         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
5629         gt-reginfo.h.
5630         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
5631         (GTFILES): Rename regclass.c to reginfo.c.
5632
5633         * passes.c (init_optimization_passes): Remove pass_local_alloc and
5634         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
5635
5636         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5637         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
5638         Remove flag_ira.
5639         (finish_spills): Ditto.  Remove code for !flag_ira.
5640         
5641 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
5642
5643         PR middle-end/35854
5644         * doc/invoke.texi (rtl debug options): Complete rewrite.
5645         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
5646         to auto_inc_dec".
5647         * mode-switching.c (pass_mode_switching): Rename pass from
5648         "mode-sw" to "mode_sw".
5649         * except.c (pass_convert_to_eh_ranges): Rename pass from
5650         "eh-ranges" to "eh_ranges".
5651         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
5652         to "subreg1".
5653                 
5654         
5655 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
5656             Alexander Monakov  <amonakov@ispras.ru>
5657
5658         PR middle-end/38857
5659         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
5660         register.
5661         (move_exprs_to_boundary): Change return type and pass through
5662         should_move from move_op.  Relax assert.  Update usage ...
5663         (schedule_expr_on_boundary): ... here.  Use should_move instead of
5664         cant_move.
5665         (move_op_orig_expr_found): Indicate that insn was disconnected from
5666         stream.
5667         (code_motion_process_successors): Do not call after_merge_succs
5668         callback if original expression was not found when traversing any of
5669         the branches.
5670         (code_motion_path_driver): Change return type.  Update prototype.
5671         (move_op): Update comment.  Add a new parameter (should_move).  Update
5672         prototype.  Set *should_move based on indication provided by
5673         move_op_orig_expr_found.
5674
5675 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
5676
5677         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
5678         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
5679         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
5680         * config/rs6000/rs6000.c (rs6000_override_options): Default
5681         avoid-indexed-addresses on for Power6, off for everything else.
5682         (avoiding_indexed_address_p): New function.
5683         (rs6000_legitimize_address): Use it.
5684         (rs6000_legitimate_address): Likewise.
5685         * config/rs6000/rs6000.md (movXX_updateX): Likewise
5686
5687 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
5688
5689         PR tree-optimization/38997
5690         * tree-loop-distribution.c (generate_memset_zero): Use
5691         POINTER_PLUS_EXPR for a pointer addition.
5692
5693 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
5694
5695         * config/s390/s390.md (bswap<mode>2): New pattern added.
5696
5697 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
5698
5699         * config/s390/s390.md (*tls_load_31): Added type attribute.
5700
5701 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
5702
5703         * config/s390/s390.md: Fix a few comments.
5704
5705 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
5706
5707         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
5708         (*tm<mode>_full): Fixed z10prop attribute.
5709         (*tst<mode>_extimm): Fixed z10prop attribute.
5710         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
5711         (*tstqiCCT_cconly): Fixed z10prop attribute.
5712         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
5713         (*movsi_larl): Fixed z10prop attribute.
5714         (*movsi_zarch): Fixed z10prop attribute.
5715         (*movsi_eas): Fixed z10prop attribute.
5716         (*movhi): Fixed z10prop attribute.
5717         (*movqi): Fixed z10prop attribute.
5718         (*movstrictqi): Fixed z10prop attribute.
5719         (*mov<mode>): Fixed z10prop attribute.
5720         (*movcc): Fixed z10prop attribute.
5721         (*sethighpartdi_64): Fixed z10prop attribute.
5722         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
5723         (*negdi2_sign_cc): Fixed z10prop attribute.
5724         (*negdi2_sign): Fixed z10prop attribute.
5725         (*absdi2_sign_cc): Fixed z10prop attribute.
5726         (*absdi2_sign): Fixed z10prop attribute.
5727         (*negabsdi2_sign_cc): Fixed z10prop attribute.
5728         (*negabsdi2_sign): Fixed z10prop attribute.
5729         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
5730         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
5731         (doloop_si64): Fixed z10prop attribute.
5732         (doloop_si31): Fixed z10prop attribute.
5733         (doloop_long): Fixed z10prop attribute.
5734         (indirect_jump): Fixed z10prop attribute.
5735         (nop): Fixed z10prop attribute.
5736         (main_base_64): Fixed z10prop attribute.
5737         (reload_base_64): Fixed z10prop attribute.
5738
5739 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
5740
5741         PR rtl-optimization/38740
5742         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
5743         if !optimize.
5744         * config/mips/mips.c (mips_reorg): Likewise.
5745
5746 2009-01-28  Richard Guenther  <rguenther@suse.de>
5747
5748         PR tree-optimization/38926
5749         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
5750         with the correct value id to a value.
5751         (do_regular_insertion): Use the value number of edoubleprime
5752         for the value number of the expr.
5753
5754         Revert
5755         2008-08-21  Richard Guenther  <rguenther@suse.de>
5756
5757         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
5758         a PHI ask VN if it is already available.
5759         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
5760         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
5761
5762 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
5763
5764         PR middle-end/38934
5765         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
5766         set to varying whenever max has TREE_OVERFLOW set, similarly
5767         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
5768
5769 2009-01-28  Richard Guenther  <rguenther@suse.de>
5770
5771         PR middle-end/38908
5772         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
5773         uninitialized aggregate uses in call arguments.
5774
5775 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
5776
5777         PR tree-optimization/38984
5778         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
5779         the nothing_id variable if -fno-delete-null-pointer-checks.
5780
5781 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
5782
5783         PR target/38988
5784         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
5785         (set_got_offset_rex64): Ditto.
5786
5787 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
5788
5789         PR target/38941
5790         * doc/extend.texi: Improve local variable with asm reg.
5791
5792 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
5793
5794         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
5795         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
5796         was not supplied then set warn_packed_bitfield_compat to the
5797         default value of 1.
5798         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
5799         against 1.
5800
5801 2009-01-27  Richard Guenther  <rguenther@suse.de>
5802
5803         PR tree-optimization/38503
5804         * cfgexpand.c (expand_gimple_basic_block): Ignore
5805         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
5806         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
5807         variables that cannot have TBAA applied.
5808         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
5809         statements.
5810
5811 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
5812
5813         PR middle-end/38969
5814         * calls.c (initialize_argument_information): Do not wrap complex
5815         arguments in SAVE_EXPR.
5816
5817 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
5818
5819         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
5820         (INSTALL_LIBGCC): Revert typo commit.
5821
5822 2009-01-26  Richard Guenther  <rguenther@suse.de>
5823
5824         PR tree-optimization/38745
5825         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
5826         from special handling.
5827
5828 2009-01-26  Richard Guenther  <rguenther@suse.de>
5829
5830         PR tree-optimization/38745
5831         * tree-ssa.c (execute_update_addresses_taken): Do not include
5832         variables that cannot possibly be a register in not_reg_needs.
5833         Do not clear TREE_ADDRESSABLE on vars that may not become
5834         registers.
5835         * tree-ssa.c (update_alias_info_1): Include those in the set
5836         of addressable vars.
5837
5838 2009-01-26  Richard Guenther  <rguenther@suse.de>
5839
5840         PR middle-end/38851
5841         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
5842         * tree-ssa-dse.c: Include langhooks.h
5843         (execute_simple_dse): Remove stores with zero size.
5844
5845 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
5846
5847         PR c/38957
5848         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
5849         as PLUS_EXPR.
5850
5851 2009-01-24  Julian Brown  <julian@codesourcery.com>
5852
5853         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
5854         config/arm/linux-atomic.c.
5855         * config/arm/linux-atomic.c: New.
5856
5857 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
5858
5859         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
5860         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
5861         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
5862
5863 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
5864
5865         PR c/38938
5866         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
5867         properly.
5868
5869 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
5870
5871         PR tree-optimization/38953
5872         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
5873         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
5874         (gloog): Split the exit of the scop when the scop exit is a loop exit.
5875         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
5876         changed the CFG.
5877
5878 2009-01-24  Paul Brook  <paul@codesourcery.com>
5879
5880         * config/arm/neon.md (neon_type): Move to arm.md.
5881         (neon_mov<VSTRUCT>): Add neon_type attribute.
5882         * config/arm/arm.md (neon_type): Move to here.
5883         (conds): Add "unconditioal" and use as default for NEON insns.
5884
5885 2009-01-24  Ben Elliston  <bje@au.ibm.com>
5886
5887         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
5888         void *' warning from -Wc++-compat.
5889         * Makefile.in (dominance.o-warn): Remove.
5890
5891 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
5892
5893         PR tree-optimization/38932
5894         * fold-const.c (fold_unary_ignore_overflow): New.
5895         * tree.h (fold_unary_ignore_overflow): Declare.
5896         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
5897         * tree-ssa-sccvn.c (visit_reference_op_load,
5898         simplify_unary_expression): Likewise.
5899
5900 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
5901
5902         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
5903         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
5904         regardless of their type.
5905         * c-common.c (handle_packed_attribute): Don't ignore packed on
5906         bitfields.
5907         * c.opt (Wpacked-bitfield-compat): New warning option.
5908         * stor-layout.c (place_field): Warn if offset of a field changed.
5909         * doc/extend.texi (packed): Mention the ABI change.
5910         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
5911         (Warning Options): Add it to the list.
5912
5913 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
5914
5915         * c-opts.c (c_common_post_options): Fix a typo in comments.
5916
5917 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
5918
5919         PR middle-end/38615
5920         * gimplify.c (gimplify_init_constructor): Fix promotion of const
5921         variables to static.
5922         * doc/invoke.texi (-fmerge-all-constants): Update description.
5923
5924 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
5925
5926         PR target/38931
5927         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
5928         (*movdi_1_rex64): Use type "mmx" for alternative 5.
5929
5930 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
5931
5932         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
5933         a word boundary.
5934         (LOCAL_ALIGNMENT): Similarly.
5935
5936 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
5937             Joseph Myers  <joseph@codesourcery.com>
5938
5939         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
5940         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
5941         * config/arm/arm-tune.md: Regenerate.
5942         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
5943         -march=iwmmxt2.
5944
5945 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
5946
5947         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
5948         version number to five.
5949
5950 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
5951
5952         PR c++/38930
5953         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
5954         * c-common.c (set_underlying_type): Likewise.
5955         (is_typedef_decl ): Likewise
5956         * tree.h: Likewise
5957         (set_underlying_type): Likewise.
5958         (is_typedef_type): Likewise.
5959
5960 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
5961
5962         PR middle-end/38587
5963         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
5964         crossing setjmps.
5965
5966 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
5967
5968         PR bootstrap/37660
5969         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
5970         (LIBGCC_SPEC):  Don't define.
5971         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
5972
5973 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
5974
5975         PR rtl-optimization/38879
5976         * alias.c (base_alias_check): Unaligned access via AND address can
5977         alias all surrounding object types except those with sizes equal
5978         or wider than the size of unaligned access.
5979
5980 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
5981
5982         PR c++/26693
5983         * c-decl.c (clone_underlying_type): Move this ...
5984         * c-common.c (set_underlying_type): ... here.
5985         Also, make sure the function properly sets TYPE_STUB_DECL() on
5986         the newly created typedef variant type.
5987         (is_typedef_decl ): New entry point.
5988         * tree.h: Added a new member member_types_needing_access_check to
5989         struct tree_decl_non_common.
5990         (set_underlying_type): New entry point.
5991         (is_typedef_type): Likewise.
5992
5993 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
5994
5995         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
5996         Check whether two instructions have memory references that
5997         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
5998         are helper functions for traversing.
5999         * alias.h (insn_alias_sets_confilict_p): New prototypes.
6000         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
6001         not to draw dependency edge for instructions with non-conflicting
6002         alias sets.
6003
6004 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
6005
6006         PR other/38758
6007         * longlong.h: Update copyright years.  Use soft-fp license notice.
6008         Sync __clz_tab declaration with glibc.
6009
6010 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
6011
6012         PR target/30687
6013         * doc/extend.texi (syscall_linkage): New.
6014         (version_id): Modify.
6015
6016 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6017             Richard Guenther  <rguenther@suse.de>
6018
6019         PR tree-optimization/38747
6020         PR tree-optimization/38748
6021         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
6022         conversion if the base address is an indirect reference and the
6023         aliasing sets could cause issues.
6024
6025 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6026
6027         * common.opt (fgraphite, fgraphite-identity): Add comment for 
6028         explaining why these options are not documented.
6029
6030 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6031
6032         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6033         gimple_call_lhs is NULL.
6034
6035 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
6036
6037         PR target/38868
6038         * emit-rtl.c (adjust_address_1): Make sure memref is never
6039         overwritten.
6040
6041 2009-01-20  Ben Elliston  <bje@au.ibm.com>
6042
6043         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6044         const qualifier from arg parameter. Remove unnecessary cast to char *.
6045         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6046         const qualifier from arg 2.
6047
6048 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
6049
6050         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
6051
6052 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
6053
6054         PR c/38869
6055         * rtl.h (reinit_regs): New prototype.
6056         * regclass.c: Include ira.h.
6057         (reinit_regs): New.
6058         * Makefile.in (regclass.o): Add ira.h.
6059         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
6060
6061 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
6062
6063         PR target/38736
6064         * c-common.c (handle_aligned_attribute): Use
6065         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
6066         default alignment value.
6067
6068         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
6069
6070         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
6071         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
6072
6073         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
6074         __BIGGEST_ALIGNMENT__.
6075
6076         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
6077
6078 2009-01-18  Richard Guenther  <rguenther@suse.de>
6079
6080         PR tree-optimization/38819
6081         * tree-flow.h (operation_could_trap_helper_p): Declare.
6082         * tree-eh.c (operation_could_trap_helper_p): Export.
6083         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
6084         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
6085         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
6086         are about to insert a possibly trapping instruction and fail
6087         in this case.
6088
6089 2009-01-18  Andreas Schwab  <schwab@suse.de>
6090
6091         * doc/install.texi (Configuration): Remove obsolete paragraph
6092         about use of --with-gnu-ld with --with-gnu-as.
6093
6094 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
6095
6096         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
6097         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
6098         Follow spelling conventions.
6099
6100 2009-01-18  Ben Elliston  <bje@au.ibm.com>
6101
6102         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
6103         C++ warning about implicit conversion from void * to struct
6104         bitmap_head_def *.
6105         (bitmap_obstack_free): Likewise for bitmap_element *.
6106         * Makefile.in (bitmap.o-warn): Remove.
6107
6108 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
6109
6110         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
6111
6112 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
6113             Tobias Grosser  <tobi.grosser@amd.com>
6114
6115         * graphite.c (graphite_trans_scop_block): Do not block single
6116         nested loops.
6117
6118 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
6119
6120         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
6121         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
6122         test with assertion.
6123
6124 2009-01-16  Richard Guenther  <rguenther@suse.de>
6125
6126         PR tree-optimization/38835
6127         PR middle-end/36227
6128         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6129         and INT + PTR -> (INT)(PTR p+ INT) folding.
6130         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6131
6132 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
6133
6134         PR target/38554
6135         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6136         the subreg from a lowpart subreg if it is also casting the value.
6137
6138 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6139             Tobias Grosser  <tobi.grosser@amd.com>
6140
6141         * graphite.c (compare_prefix_loops): New.
6142         (build_scop_canonical_schedules): Rewritten.
6143         (graphite_transform_loops): Move build_scop_canonical_schedules
6144         after build_scop_iteration_domain.
6145
6146 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6147             Tobias Grosser  <tobi.grosser@amd.com>
6148
6149         * graphite.c (add_conditions_to_domain): Add the loops to 
6150         the dimension of the iteration domain.  Do copy the domain
6151         only when it exists.
6152         (build_scop_conditions_1): Do not call add_conditions_to_domain.
6153         (add_conditions_to_constraints): New.
6154         (can_generate_code_stmt, can_generate_code): Removed.
6155         (gloog): Do not call can_generate_code.
6156         (graphite_transform_loops): Call add_conditions_to_constraints
6157         after building the iteration domain.
6158
6159 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
6160
6161         PR tree-optimization/38789
6162         * tree-ssa-threadedge.c
6163         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6164         __builtin_constant_p.
6165
6166 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
6167
6168         * dce.c (delete_unmarked_insns): Reversed the order that insns are
6169         examined before deleting them.
6170         
6171 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
6172
6173         * function.c (aggregate_value_p): Correctly extract the function
6174         type from CALL_EXPR_FN lookup.
6175
6176 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
6177
6178         * config/picochip/picochip.c (picochip_override_options): Revert
6179         CFI asm flag disable commited previously.
6180
6181 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6182             Tobias Grosser  <tobi.grosser@amd.com>
6183             Jan Sjodin  <jan.sjodin@amd.com>
6184
6185         * graphite.c (scan_tree_for_params): On substractions negate
6186         all the coefficients of the term.
6187         (clast_to_gcc_expression_red): New.  Handle reduction expressions
6188         of more than two operands.
6189         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6190         (get_vdef_before_scop): Handle also the case of default definitions.
6191
6192 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
6193
6194         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6195         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6196         Also use them when walking CALL_INSN_FUNCTION_USAGE.
6197
6198 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
6199             Joey Ye  <joey.ye@intel.com>
6200
6201         PR middle-end/37843
6202         * cfgexpand.c (expand_stack_alignment): Don't update stack
6203         boundary nor check incoming stack boundary here.
6204         (gimple_expand_cfg): Update stack boundary and check incoming
6205         stack boundary here.
6206
6207 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
6208
6209         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6210         
6211 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
6212
6213         PR rtl-optimization/38245
6214         * calls.c (expand_call): Add stack arguments to
6215         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6216         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6217         in regs and partially in memory or BLKmode arguments.
6218         (emit_library_call_value_1): Add stack arguments to
6219         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6220         ACCUMULATE_OUTGOING_ARGS).
6221         * dce.c: Include tm_p.h.
6222         (find_call_stack_args): New function.
6223         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
6224         argument.
6225         (mark_insn): Call find_call_stack_args for CALL_Ps.
6226         (prescan_insns_for_dce): Walk insns backwards in bb rather than
6227         forwards.  Allocate and free arg_stores bitmap if needed, pass it
6228         down to deletable_insn_p, don't mark stores set in arg_stores
6229         bitmap, clear the bitmap at the beginning of each bb.
6230         * Makefile.in (dce.o): Depend on $(TM_P_H).
6231
6232 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
6233
6234         PR target/22599
6235         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6236         to make sure the insn is a conditional test (bug 22599).  Reformat a
6237         few long lines.
6238
6239 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6240
6241         PR middle-end/38431
6242         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6243         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6244         (gloog): Do not call cleanup_tree_cfg.
6245         (graphite_transform_loops): Call cleanup_tree_cfg after all 
6246         scops have been code generated.
6247
6248 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
6249         * doc/gty.texi (Invoking the garbage collector): Added new node
6250         and section documenting ggc_collect.
6251
6252 2009-01-14  Richard Guenther  <rguenther@suse.de>
6253
6254         PR tree-optimization/38826
6255         PR middle-end/38477
6256         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6257         initialization notes only if we actually emitted a warning.
6258         (intra_create_variable_infos): Add constraints for a result decl
6259         that is passed by hidden reference.
6260         (build_pred_graph): Mark all related variables non-direct on
6261         address-taking.
6262
6263 2009-01-14  Nick Clifton  <nickc@redhat.com>
6264
6265         * ira-conflicts.c: Include addresses.h for the definition of
6266         base_reg_class.
6267         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6268         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6269
6270 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
6271
6272         PR target/38811
6273         * Makefile.in (ira-lives.o): Add except.h.
6274
6275         * ira-lives.c: Include except.h.
6276         (process_bb_node_lives): Process can_throw_internal.
6277
6278 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
6279
6280         PR rtl-optimization/38774
6281         * combine.c (simplify_set): When undoing cc_use change, don't do
6282         PUT_CODE on the newly created comparison, but instead put back the
6283         old comparison.
6284
6285 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
6286
6287         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6288         values.  Remove duplicate arm8 entry.
6289
6290 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6291
6292         PR tree-optimization/38786
6293         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6294         the SSA_NAME case of expand_scalar_variables_expr.
6295         Set the type of an expression to the type of its assign statement.
6296         (expand_scalar_variables_expr): Also gather the scalar computation
6297         used to index the memory access.  Do not pass loop_p.
6298         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
6299         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6300         the gimple_stmt_iterator where it inserts new code.
6301         Do not pass loop_p.
6302         (copy_bb_and_scalar_dependences): Do not pass loop_p.
6303         (translate_clast): Update call to copy_bb_and_scalar_dependences.
6304
6305 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6306
6307         * graphite.h (debug_value): Removed.
6308         * graphite.c (debug_value): Removed.
6309
6310 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6311
6312         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6313         ldrd/strd with two 32-bit instructions.
6314
6315 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6316
6317         * config/arm/arm.c (struct processors): Pass for speed down into
6318         cost helper functions.
6319         (const_ok_for_op): Handle COMPARE and inequality nodes.
6320         (arm_rtx_costs_1): Rewrite.
6321         (arm_size_rtx_costs): Update prototype.
6322         (arm_rtx_costs): Pass speed down to helper functions.
6323         (arm_slowmul_rtx_costs): Rework cost calculations.
6324         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6325         (arm_9e_rtx_costs): Likewise.
6326
6327 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
6328
6329         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6330         relocations of local symbols wider than UNITS_PER_WORD are not valid.
6331         (alpha_legitimize_address): Do not split local symbols wider than
6332         UNITS_PER_WORD into HIGH/LO_SUM parts.
6333
6334 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
6335
6336         PR bootstrap/38580
6337         * gcc.c (process_command): Replace call to execvp with calls
6338         to pex_one and exit.
6339
6340 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
6341
6342         PR target/29141
6343         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6344         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6345         variant for devices with 3-byte PC.
6346         (__tablejump_elpm__): New.
6347
6348 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6349
6350         PR c/32041
6351         * c-parser.c (c_parser_postfix_expression): Allow `->' in
6352         offsetof member-designator, handle it as `[0].'.
6353
6354 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6355
6356         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6357         function when not using named sections on targets with named sections
6358         if branch distance is less than 262132.
6359
6360 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
6361
6362         * combine.c (combine_instructions):  Recompute
6363         optimize_this_for_speed_p  for each BB in the main combine loop.
6364
6365 2009-01-12  Tomas Bily  <tbily@suse.cz>
6366
6367         PR middlend/38385
6368         * tree-loop-distribution.c (prop_phis): New function.
6369         (generate_builtin): Call prop_phis.
6370         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6371
6372 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6373
6374         PR tree-optimization/38807
6375         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6376         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6377
6378 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
6379
6380         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6381         subreg of op0 to the original op0.
6382
6383 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
6384
6385         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6386         
6387 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
6388
6389         PR debug/7055
6390         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6391         starting with digits.
6392
6393 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
6394
6395         PR target/38695
6396         * config/arm/arm.c (arm_is_long_call_p): Don't call
6397         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6398
6399 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
6400
6401         * regrename.c (regrename_optimize): Fix dumping.
6402         (find_oldest_value_reg): Preserve REG_POINTER.
6403         (copy_hardreg_forward_1): Likewise.
6404
6405 2009-01-09  Diego Novillo  <dnovillo@google.com>
6406
6407         * gimple.h (struct gimple_statement_base) <uid>: Document
6408         the restrictions on its use.
6409         (gimple_uid): Tidy.
6410         (gimple_set_uid): Tidy.
6411
6412 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6413
6414         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6415         zero guard even if align_bytes != 0 and count is smaller than
6416         size_needed.
6417
6418 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
6419
6420         PR rtl-optimization/38495
6421         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6422         (add_range_and_copies_from_move_list): Print all added ranges.
6423         Add ranges to memory optimized destination.
6424
6425 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6426
6427         PR target/38686
6428         PR target/38708
6429         * config/i386/i386.c (override_options): Reject
6430         -mstringop-strategy=rep_8byte with -m32.
6431         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6432         to 1.  Do count comparison against epilogue_size_needed at compile
6433         time even when count_exp was constant forced into register.  For
6434         size_needed don't jump to epilogue, instead just avoid aligning
6435         and invoke the body algorithm.  If need_zero_guard, add zero guard
6436         even if count is non-zero, but smaller than size_needed + number of
6437         bytes that could be stored for alignment.
6438         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6439         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
6440         but smaller than size_needed + number of bytes that could be stored
6441         for alignment.  Compare size_needed with epilogue_size_needed instead
6442         of desired_align - align, don't adjust size_needed, pass
6443         epilogue_size_needed to the epilogue expanders.
6444
6445         PR c/35742
6446         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6447
6448 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6449
6450         * pa.c (last_address): Change to unsigned.
6451         (update_total_code_bytes): Change argument to unsigned.  Don't
6452         check if insn addresses are set.
6453         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6454         addresses are not set.
6455         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6456
6457 2009-01-09  Nick Clifton  <nickc@redhat.com>
6458
6459         * config/sh/symbian.c: Replace uses of DECL_INLINE with
6460         DECL_DECLARED_INLINE_P.
6461
6462 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6463
6464         PR middle-end/38347
6465         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6466         GET_MODE (op0) in operand_subword_force calls.
6467
6468         PR middle-end/38771
6469         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6470         fold_convert arg0 operands to TREE_TYPE (op0) first.
6471
6472 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
6473
6474         * params.def (ira-max-conflict-table-size): Decrease default value
6475         to 1000.
6476
6477 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
6478
6479         PR tree-optimization/37031
6480         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6481         on parameter_set.
6482         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6483         allocate it using gc instead of heap, use VEC_quick_push instead of
6484         VEC_safe_push.
6485         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6486         instead of heap, use VEC_quick_push instead of VEC_safe_push.
6487         * tree-data-ref.h (struct access_matrix): Change matrix to gc
6488         allocated vector from heap allocated.
6489         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6490         * tree-loop-linear.c (linear_transform_loops): Allocate nest
6491         vector only after perfect_loop_nest_depth call.
6492
6493 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6494             Jan Sjodin  <jan.sjodin@amd.com>
6495
6496         PR tree-optimization/38559
6497         * graphite.c (debug_value, copy_constraint,
6498         swap_constraint_variables, scale_constraint_variable, ): New.
6499         (get_lower_bound, get_upper_bound): Removed.
6500         (graphite_trans_bb_strip_mine): Clean up this code that works
6501         only for constant number of iterations.  Fully copy upper and
6502         lower bound constraints, not only the constant part of them.
6503         * graphite.h (debug_value): Declared.
6504
6505 2009-01-08  Ira Rosen  <irar@il.ibm.com>
6506
6507         PR tree-optimization/37194
6508         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6509         Don't add the cost of cost model guard in prologue to scalar 
6510         outside cost in case of known number of iterations.
6511
6512 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
6513             Alan Modra  <amodra@bigpond.net.au>
6514
6515         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6516         non-word-aligned REG+CONST addressing.
6517
6518 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
6519
6520         PR target/38706
6521         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6522         free_after_compilation when outputting a thunk.
6523         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6524         Do not call free_after_compilation here.
6525
6526 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
6527
6528         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
6529         (ix86_valid_target_attribute_inner_p): Ditto.
6530
6531 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
6532
6533         PR tree-optimization/38492
6534         PR tree-optimization/38498
6535         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6536         * tree-chrec.h (scev_is_linear_expression): Declared.
6537         * graphite.c (graphite_cannot_represent_loop_niter): New.
6538         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6539         (graphite_loop_normal_form): Use gcc_assert.
6540         (scan_tree_for_params): Use CASE_CONVERT.
6541         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6542         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6543         Use gcc_assert.  Discard scops that contain unhandled cases.
6544         (build_scop_conditions): Return a boolean status for unhandled cases.
6545         (strip_mine_profitable_p): Print the loop number, not its depth.
6546         (is_interchange_valid): Pass the depth of the loop nest, don't
6547         recompute it wrongly.
6548         (graphite_trans_bb_block): Same.
6549         (graphite_trans_bb_block): Print tentative of loop blocking.
6550         (graphite_trans_scop_block): Do not print that the loop has been
6551         blocked.
6552         (graphite_transform_loops): Do not handle scops that contain condition
6553         scalar phi nodes.
6554
6555 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
6556
6557         AVX Programming Reference (December, 2008)
6558         * config/i386/avxintrin.h (_mm256_stream_si256): New.
6559         (_mm256_stream_pd): Likewise.
6560         (_mm256_stream_ps): Likewise.
6561
6562         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
6563         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
6564         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
6565         (bdesc_special_args): Add __builtin_ia32_movntdq256,
6566         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
6567         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
6568         (ix86_expand_special_args_builtin): Likewise.
6569
6570         * config/i386/sse.md (AVXMODEDI): New.
6571         (avx_movnt<mode>): Likewise.
6572         (avx_movnt<mode>): Likewise.
6573         (<sse>_movnt<mode>): Remove AVX support.
6574         (sse2_movntv2di): Likewise.
6575
6576 2009-01-07  Richard Guenther  <rguenther@suse.de>
6577
6578         PR middle-end/38751
6579         * fold-const.c (extract_muldiv): Remove obsolete comment.
6580         (fold_plusminus_mult_expr): Undo MINUS_EXPR
6581         to PLUS_EXPR canonicalization for the canonicalization.
6582
6583 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
6584
6585         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
6586         hosted cross-compilers generating less efficient code.
6587
6588 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
6589
6590         * function.h (rtl_data): Add a dbr_scheduled_p field.
6591         * reorg.c (dbr_schedule): Set it.
6592         (gate_handle_delay_slots): Check it.
6593         * config/mips/mips.c (mips_base_delayed_branch): Delete.
6594         (mips_reorg): Check flag_delayed_branch instead of
6595         mips_base_delayed_branch.
6596         (mips_override_options): Don't set mips_base_delayed_branch
6597         or flag_delayed_branch.
6598
6599 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
6600
6601         PR rtl-optimization/38426.
6602         * ira.c (ira): Set current_function_is_leaf earlier.
6603
6604 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
6605
6606         PR rtl-optimization/38722
6607         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
6608         too early, only set a flag and modify after last possible
6609         undo_all point.
6610
6611 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
6612
6613         PR c/34252
6614         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
6615         * real.c (decimal_single_format): Correct values of emin and emax.
6616         (decimal_double_format): Ditto.
6617         (decimal_quad_format): Ditto.
6618         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
6619         computation of DECnn_MIN and DECnn_MAX for corrected values of
6620         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
6621         __DECnn_MIN__, and adjust its computation for the corrected value
6622         of emin.
6623
6624 2009-01-06  Jan Hubicka  <jh@suse.cz>
6625
6626         PR target/38744
6627         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
6628
6629 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
6630
6631         * doc/contrib.texi (Contributors): Slightly adjust the end note.
6632         Add Robert Clark to the list of testers.
6633
6634 2009-01-06  Jan Hubicka  <jh@suse.cz>
6635             Kai Tietz  <kai.tietz@onevision.com>
6636
6637         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
6638         * config/i386/i386.c (ix86_expand_call): Add clobbers.
6639
6640 2009-01-06  Jan Hubicka  <jh@suse.cz>
6641             Kai Tietz  <kai.tietz@onevision.com>
6642
6643         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
6644         for w64 ABI.
6645         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
6646         (ix86_nsaved_regs): Count only general purpose regs.
6647         (ix86_nsaved_sseregs): New.
6648         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
6649         to 16 for w64; compute padding and size of sse reg save area.
6650         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
6651         general purpose regs.
6652         (ix86_emit_save_sse_regs_using_mov): New.
6653         (ix86_expand_prologue): Save SSE regs if needed.
6654         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
6655         (ix86_emit_restore_sse_regs_using_mov): New.
6656         (ix86_expand_epilogue): Save SSE regs if needed.
6657
6658 2009-01-06  Jan Hubicka  <jh@suse.cz>
6659             Kai Tietz  <kai.tietz@onevision.com>
6660
6661         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
6662         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
6663         functions when accumulate outgoing args is off.
6664
6665 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
6666
6667         PR bootstrap/38742
6668         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
6669         before using pseudos_have_intersected_live_ranges_p.
6670
6671         * ira-int.h (ira_assert): Always define.
6672
6673 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
6674
6675         AVX Programming Reference (December, 2008)
6676         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
6677         (_mm256_permute2_pd): Likewise.
6678         (_mm_permute2_ps): Likewise.
6679         (_mm256_permute2_ps): Likewise.
6680         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
6681         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
6682
6683         * config/i386/i386.c (ix86_builtins): Remove
6684         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
6685         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
6686         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
6687         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
6688         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
6689         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
6690         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
6691         __builtin_ia32_vpermil2ps256.
6692         (ix86_init_mmx_sse_builtins): Updated.
6693         (ix86_expand_args_builtin): Likewise.
6694
6695 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6696
6697         * pa.c (output_call): Relocate non-jump insns in the delay slot of
6698         long absolute calls when generating PA 2.0 code.
6699
6700 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
6701
6702         PR rtl-optimization/38583
6703         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
6704
6705         * params.def (ira-max-conflict-table-size): New.
6706
6707         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
6708         
6709         * ira.h (ira_conflicts_p): New external definition.
6710         
6711         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
6712         table.  Report this.  Return result of building.
6713         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
6714         building conflict table.
6715
6716         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
6717         (ira_color): Use ira_conflicts_p.
6718         
6719         * global.c: Include ira.h.
6720         (pseudo_for_reload_consideration_p, build_insn_chain): Use
6721         ira_conflicts_p.
6722
6723         * Makefile.in (global.o): Add ira.h.
6724         
6725         * ira-build.c (mark_all_loops_for_removal,
6726         propagate_some_info_from_allocno): New.
6727         (remove_unnecessary_allocnos): Call
6728         propagate_some_info_from_allocno.
6729         (remove_low_level_allocnos): New.
6730         (remove_unnecessary_regions): Add parameter.  Call
6731         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
6732         parameter to remove_unnecessary_regions.
6733         (ira_build): Remove all regions but root if the conflict table was
6734         not built.  Update conflict hard regs for allocnos crossing calls.
6735
6736         * ira.c (ira_conflicts_p): New global.
6737         (ira): Define and use ira_conflicts_p.
6738
6739         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
6740         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
6741         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
6742         
6743 2009-01-06  Ben Elliston  <bje@au.ibm.com>
6744
6745         * gengtype-lex.l (YY_NO_INPUT): Define.
6746
6747 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6748
6749         PR c/34911
6750         * c-common.c (handle_vector_size_attribute): Also reject
6751         BOOLEAN_TYPE types.
6752
6753 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
6754
6755         PR tree-optimization/38492
6756         * graphite.c (rename_map_elt, debug_rename_elt,
6757         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
6758         rename_map_elt_info, eq_rename_map_elts,
6759         get_new_name_from_old_name, bb_in_sese_p): Moved around.
6760         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
6761         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
6762         (sese_build_livein_liveouts): New.
6763         (new_sese, free_sese): New.
6764         (new_scop): Call new_sese.
6765         (free_scop): Call free_sese.
6766         (rename_variables_from_edge, rename_phis_end_scop): Removed.
6767         (register_old_new_names): Renamed register_old_and_new_names.
6768         (register_scop_liveout_renames, add_loop_exit_phis,
6769         insert_loop_close_phis, struct igp,
6770         default_liveout_before_guard, add_guard_exit_phis,
6771         insert_guard_phis, copy_renames): New.
6772         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
6773         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
6774         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
6775         (scop_adjust_phis_for_liveouts): New.
6776         (gloog): Call scop_adjust_phis_for_liveouts.
6777
6778         * graphite.h (struct sese): Documented.  Added fields liveout,
6779         num_ver and livein.
6780         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
6781         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
6782         (struct scop): Added field liveout_renames.
6783         (SCOP_LIVEOUT_RENAMES): New.
6784
6785 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6786
6787         PR tree-optimization/38510
6788         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
6789         (translate_clast): Call recompute_all_dominators before
6790         graphite_verify.
6791         (gloog): Call recompute_all_dominators before graphite_verify.
6792
6793 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6794             Jan Sjodin  <jan.sjodin@amd.com>
6795
6796         PR tree-optimization/38500
6797         * graphite.c (create_sese_edges): Call fix_loop_structure after
6798         splitting blocks.
6799
6800 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
6801
6802         * config.gcc: Add m32r*-*-rtems*.
6803         * config/m32r/rtems.h: New file.
6804
6805 2009-01-05  Ben Elliston  <bje@au.ibm.com>
6806
6807         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
6808         (.po.pox): Likewise.
6809         (po/gcc.pot): Likewise.
6810
6811 2009-01-04  David S. Miller  <davem@davemloft.net>
6812
6813         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
6814         (STARTING_FRAME_OFFSET): Always set to zero.
6815
6816 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
6817
6818         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
6819         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
6820         fixed-point types, and vectors of the same.
6821
6822 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
6823
6824         * config/mips/sync.md (*mb_barrier): Rename to...
6825         (*memory_barrier): ...this.
6826
6827 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
6828
6829         * doc/extend.texi (Function Attributes): Move @cindex after @item
6830         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
6831         and put in alphabetical order. Fix 'target' name and put in order.
6832         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
6833         typos.
6834
6835 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
6836
6837         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
6838         (memory_barrier): Expand as unspec instead of unspec_volatile.
6839         Remove mem:BLK from insn operands.  Use Pmode scratch register.
6840         (*memory_barrier): Define as unspec instead of unspec_volatile.
6841         Use (match_dup 0) as input operand.
6842
6843         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
6844         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
6845         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
6846         scratch register.  Remove operand 1.
6847         (*stbar): Define as unspec instead of unspec_volatile.
6848         Use (match_dup 0) as input operand, remove (const_int 8).
6849         (*membar): Define as unspec instead of unspec_volatile.
6850         Use (match_dup 0) as input operand, remove input operand 2.
6851
6852         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
6853         (memory_barrier): Expand as unspec instead of unspec_volatile.
6854         Remove mem:BLK from insn operands.  Use Pmode scratch register.
6855         (*memory_barrier): Define as unspec instead of unspec_volatile.
6856         Use (match_dup 0) as input operand.
6857
6858         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
6859         Remove mem:BLK from insn operands.  Use Pmode scratch register.
6860         Set volatile flag on operand 0.
6861         (*memory_barrier): New insn pattern.
6862
6863         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
6864         insn operands.
6865         (*memory_barrier): Use (match_dup 0) as input operand.
6866
6867         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
6868         Remove mem:BLK from insn operands.  Use Pmode scratch register.
6869         Set volatile flag on operand 0.
6870         (*mb_internal): New insn pattern.
6871
6872         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
6873
6874 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
6875
6876         PR middle-end/38586
6877         * function.c (struct temp_slot): Move to the section of the file
6878         that deals with temp slots.  Remove field 'address'.
6879         (temp_slot_address_table): New hash table of address -> temp slot.
6880         (struct temp_slot_address_entry): New struct, items for the table.
6881         (temp_slot_address_compute_hash, temp_slot_address_hash,
6882         temp_slot_address_eq, insert_temp_slot_address): Support functions
6883         for the new table.
6884         (find_temp_slot_from_address): Rewrite to use the new hash table.
6885         (remove_unused_temp_slot_addresses): Remove addresses of temp
6886         slots that have been made available.
6887         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
6888         worker function for remove_unused_temp_slot_addresses.
6889         (assign_stack_temp_for_type): Don't clear the temp slot address list.
6890         Add the temp slot address to the address -> temp slot map.
6891         (update_temp_slot_address): Update via insert_temp_slot_address.
6892         (free_temp_slots): Call remove_unused_temp_slot_addresses.
6893         (pop_temp_slots): Likewise.
6894         (init_temp_slots): Allocate the address -> temp slot map, or empty
6895         the map if it is already allocated.
6896         (prepare_function_start): Initialize temp slot processing.
6897
6898 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
6899
6900         PR middle-end/38584
6901         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
6902         Calculate the size of all stack vars assuming no packing of stack
6903         vars will happen, replacing a quadratic algorithm with a linear one.
6904
6905 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
6906
6907         PR target/38707
6908         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
6909         can't be used.
6910
6911 2009-01-03  Diego Novillo  <dnovillo@google.com>
6912
6913         * doc/contrib.texi: Update contributions.
6914
6915 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
6916
6917         PR c++/38705
6918         * builtins.c (fold_builtin_memory_op): Give up if either operand
6919         is volatile.  Set srctype or desttype to non-qualified version
6920         of the other type.
6921
6922         PR c/38700
6923         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
6924         and FUNCTION_DECLs.
6925
6926 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
6927
6928         PR rtl-optimization/35805
6929         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
6930         problem if fast dce is able to remove any instructions.
6931         * dce.c (dce_process_block): Fix dump message.
6932         
6933 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
6934
6935         PR 33649
6936         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
6937
6938 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
6939
6940         PR middle-end/38690
6941         * tree-flow.h (op_code_prio, op_prio): New prototypes.
6942         * tree-pretty-print.c (op_code_prio): New function.
6943         (op_prio): No longer static.  Use op_code_prio.
6944         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
6945         Use op_prio and op_code_prio to determine if () should be
6946         printed around operand(s) or not.
6947
6948         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
6949         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
6950         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
6951         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
6952         pp_character instead of pp_string for single letter printing.
6953
6954 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
6955
6956         * doc/extend.texi: Fix '#pragma GCC option' typo.
6957
6958 2009-01-02  Richard Guenther  <rguenther@suse.de>
6959
6960         * doc/install.texi (--enable-checking): Mention different
6961         default for stage1.
6962         (--enable-stage1-checking): Document.
6963
6964 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
6965
6966         PR middle-end/30142
6967         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
6968         case to be an error.
6969
6970 2009-01-02  Ben Elliston  <bje@au.ibm.com>
6971
6972         * config/fp-bit.h (pack_d): Constify argument.
6973         * config/fp-bit.c (makenan): Constify return type. Remove casts.
6974         (isnan): Constify argument.
6975         (isinf): Likewise.
6976         (iszero): Likewise.
6977         (pack_d): Likewise.
6978         (_fpadd_parts): Constify return type.
6979         (_fpmul_parts): Likewise.
6980         (_fpdiv_parts): Likewise.
6981
6982 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
6983
6984         PR c/36489
6985         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
6986         warn about overwriting initializer with side-effects or
6987         -Woverride-init if !IMPLICIT.
6988         (output_init_element): Likewise.  Pass IMPLICIT down to
6989         add_pending_init.
6990         (process_init_element): Add IMPLICIT argument.  Pass it down
6991         to output_init_element.
6992         (push_init_element, pop_init_level, set_designator): Adjust
6993         process_init_element callers.
6994         (set_nonincremental_init, set_nonincremental_init_from_string):
6995         Adjust add_pending_init callers.
6996         (output_pending_init_elements): Adjust output_init_element callers.
6997         * c-tree.h (process_init_element): Adjust prototype.
6998         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
6999         process_init_element callers.