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