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