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