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