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1 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2
3         PR middle-end/39315
4         * cfgexpand.c (expand_one_stack_var_at): Change alignment
5         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
6
7 2009-03-27  Richard Guenther  <rguenther@suse.de>
8
9         PR tree-optimization/39120
10         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
11         constraints.
12         (handle_lhs_call): Process return constraints.  Add escape
13         constraints if necessary.
14         (handle_const_call): Fill out return constraints.  Make nested
15         case more precise.  Avoid consttmp if possible.
16         (handle_pure_call): Fill out return constraints.  Avoid
17         callused if possible.
18         (find_func_aliases): Simplify call handling.
19
20 2009-03-27  Richard Guenther  <rguenther@suse.de>
21
22         PR tree-optimization/39120
23         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
24         as a representative.
25         (solve_graph): Do propagate CALLUSED.
26         (handle_pure_call): Use a scalar constraint from CALLUSED for
27         the return value.
28         (find_what_p_points_to): CALLUSED shall not appear in poins-to
29         solutions.
30
31 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
32
33         PR c/39323
34         * c-common.c (handle_aligned_attribute): Properly check alignment
35         overflow.  Use (1U << i) instead of (1 << i).
36
37         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for
38         align.
39
40         * expr.h (get_mem_align_offset): Updated.
41
42         * tree.h (tree_decl_common): Change align to "unsigned int" and
43         move it before pointer_alias_set.
44
45 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
46             Jakub Jelinek  <jakub@redhat.com>
47
48         PR target/38034
49         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
50         gr_register_operand with gr_reg_or_0_operand.
51         (cmpxchg_rel_di): Likewise.
52         (sync_lock_test_and_set<mode>): Likewise.
53
54 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
55
56         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
57         (true_regnum): Likewise.
58
59         * rtlanal.c (subreg_info): Moved to ...
60         * rtl.h (subreg_info): Here.  New.
61         (subreg_get_info): New.
62
63         * rtlanal.c (subreg_get_info): Make it extern.
64
65 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
66
67         PR target/39472
68         * config/i386/i386.c (ix86_abi): New.
69         (override_options): Handle -mabi=.
70         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with
71         ix86_abi.
72         (ix86_call_abi_override): Likewise.
73         (init_cumulative_args): Likewise.
74         (function_arg_advance): Likewise.
75         (function_arg_64): Likewise.
76         (function_arg): Likewise.
77         (ix86_pass_by_reference): Likewise.
78         (ix86_function_value_regno_p): Likewise.
79         (ix86_build_builtin_va_list_abi): Likewise.
80         (setup_incoming_varargs_64): Likewise.
81         (is_va_list_char_pointer): Likewise.
82         (ix86_init_machine_status): Likewise.
83         (ix86_reg_parm_stack_space): Use enum calling_abi on
84         call_abi.
85         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
86         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
87         (ix86_function_abi): Make it static and return enum
88         calling_abi.
89         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
90         with ix86_abi.
91         (ix86_fn_abi_va_list): Updated.
92
93         * config/i386/i386.h (ix86_abi): New.
94         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
95         (CONDITIONAL_REGISTER_USAGE): Likewise.
96         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
97         (machine_function): Likewise.
98
99         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
100         with ix86_abi.
101         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
102         (STACK_BOUNDARY): Likewise.
103         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
104
105         * config/i386/i386.opt (mabi=): New.
106
107         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
108         return enum calling_abi.
109         (ix86_function_type_abi): Likewise.
110         (ix86_function_abi): Removed.
111
112         * doc/invoke.texi: Document -mabi= option for x86.
113
114 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
115
116         * builtins.c (real_dconstp): Delete.
117         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
118
119 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
120             Jakub Jelinek  <jakub@redhat.com>
121
122         PR debug/37959
123         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
124         (gen_subprogram_die): When a function is explicit, generate the
125         DW_AT_explicit attribute.
126         * langhooks.h (struct lang_hooks_for_decls): Add
127         function_decl_explicit_p langhook.
128         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
129         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
130
131 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
132
133         * builtins.c (fold_builtin_memory_op): Optimize memmove
134         into memcpy if we can prove source and destination don't overlap.
135
136         * tree-inline.c: Include gt-tree-inline.h.
137         (clone_fn_id_num): New variable.
138         (clone_function_name): New function.
139         (tree_function_versioning): Use it.
140         * Makefile.in (GTFILES): Add tree-inline.c.
141
142 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
143
144         * BASE-VER: Change to 4.5.0.
145
146 2009-03-27  Xinliang David Li  <davidxl@google.com>
147
148         PR tree-optimization/39557
149         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
150
151 2009-03-27  Xinliang David Li  <davidxl@google.com>
152
153         PR tree-optimization/39548
154         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy 
155         candidate check.
156
157 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
158
159         * c-common.c (pointer_int_sum): Use %wd on return from
160         tree_low_cst.
161
162 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
163
164         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
165         on return from tree_low_cst.
166
167 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
168
169         PR c++/36799
170         * ginclude/stdarg.h (va_copy): Define also for __GXX_EXPERIMENTAL_CXX0X__.
171
172 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
173
174         PR c++/35652
175         * builtins.h (c_strlen): Do not warn here.
176         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
177         * c-common.c (pointer_int_sum): Take an explicit location.
178         Warn about offsets out of bounds.
179         * c-common.h (pointer_int_sum): Adjust declaration.
180
181 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
182
183         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
184         markup glitch.
185
186 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
187
188         PR c++/39554
189         * opts.c (warn_if_disallowed_function_p): Don't assume
190         get_callee_fndecl must return non-NULL.
191
192 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
193
194         PR rtl-optimization/39522
195         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
196         when reg_reloaded_valid is set.
197
198 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
199
200         * config/spu/divv2df3.c: New file.
201         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
202         (DPBIT_FUNCS): Filter out _div_df.
203
204 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
205
206         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
207         a jump insn, count that jump in the distance to the loop start.
208
209 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
210
211         PR target/39523
212         * config/sh/sh.c (calc_live_regs): Fix condition for global
213         registers except PIC_OFFSET_TABLE_REGNUM.
214
215 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
216
217         PR/39518
218         * doc/invoke.texi (-mconsole): New.
219         (-mcygwin): New.
220         (-mno-cygwin): New.
221         (-mdll): New.
222         (-mnop-fun-dllimport): New.
223         (-mthread): New.
224         (-mwin32): New.
225         (-mwindows): New.
226         (sub section "i386 and x86-64 Windows Options"): New.
227
228 2009-03-25  Ralf Cors├ępius <ralf.corsepius@rtems.org>
229
230         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
231         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
232
233 2009-03-25  Richard Guenther  <rguenther@suse.de>
234
235         PR middle-end/39497
236         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
237         of -Wno-error.
238
239 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
240
241         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
242         neither of haifa/selective schedulers are working.
243
244 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
245
246         * doc/invoke.texi (Debugging Options): Fix description of
247         -fno-merge-debug-strings.
248
249 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
250
251         * config/cris/libgcc.ver: New version-script.
252         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
253
254         * configure.ac <GAS features, nop mnemonic>: Add pattern
255         crisv32-*-* for "nop".
256         <GAS features, Thread-local storage>: Add item for CRIS and
257         CRIS v32.
258         * configure: Regenerate.
259
260 2009-03-24  Ira Rosen  <irar@il.ibm.com>
261
262         PR tree-optimization/39529
263         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
264         mark_sym_for_renaming for the tag copied to the new vector
265         pointer.
266
267 2009-03-24  Arthur Loiret  <aloiret@debian.org>
268
269         * config.host (alpha*-*-linux*): Use driver-alpha.o and
270         alpha/x-alpha.
271         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
272         EXTRA_SPEC_FUNCTIONS.
273         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
274         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
275         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
276         -march and -mtune options.
277
278 2009-03-24  Ralf Cors├ępius <ralf.corsepius@rtems.org>
279
280         * config/m68k/t-rtems: Add m5329 multilib.
281
282 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
283             Jakub Jelinek  <jakub@redhat.com>
284
285         PR debug/39524
286         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
287         nodes.
288
289 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
290
291         PR c/39495
292         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
293         instead of c_parser_expression_conv, if original_code isn't one of the
294         4 allowed comparison codes, fail.
295
296 2009-03-23  Richard Guenther  <rguenther@suse.de>
297
298         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
299         * tree.h (struct tree_type): Likewise.
300         * reload.h (struct insn_chain): Likewise.
301         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
302         * function.h (struct function): Likewise.
303         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
304
305 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
306
307         PR tree-optimization/39516
308         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
309
310 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
311
312         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint 
313         should be set true if BITS_PER_WORD of target is bigger than 32
314
315 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
316
317         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
318         Translate -B-options to -rpath-link.  Correct existing
319         rpath-link and conditionalize on !nostdlib.
320
321 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
322
323         * doc/extend.texi (Function Attributes, Variable Attributes):
324         Fix typos.
325         * doc/invoke.texi (Debugging Options, Optimize Options)
326         (i386 and x86-64 Options, MCore Options): Likewise.
327
328 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
329
330         PR debug/37890
331         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
332         it for block local namespace aliases.
333         (gen_decl_die): Pass context_die to gen_namespace_die.
334
335 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
336
337         PR c/39495
338         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
339         minimum or maximum value.
340
341 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
342
343         * reginfo.c (globalize_reg): Recompute derived reg sets.
344
345 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
346
347         PR target/39063
348         * libgcc2.c (mprotect): Do not use signed arguments for
349         VirtualProtect, use DWORD arguments.  Also fix the 'may
350         be used uninitialized' warning for the np variable.
351
352 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
353
354         PR target/39496
355         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
356         functions using regparm calling conventions when not optimizing.
357         (ix86_function_sseregparm): Similarly for sseregparm calling
358         conventions.
359
360 2009-03-19  Li Feng  <nemokingdom@gmail.com>
361
362         PR middle-end/39500
363         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
364         dependence if the first conflict is after niter iterations.
365
366 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
367
368         PR middle-end/38609
369         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
370         functions with dynamic stack-pointer adjustments.
371
372 2009-03-19  Ben Elliston  <bje@au.ibm.com>
373
374         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
375         option; change to -msdata=data.
376
377 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
378
379         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
380         and -fopenmp.
381
382 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
383
384         PR target/35180
385         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
386
387 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
388
389         * doc/invoke.texi (Code Gen Options): Expand discussion of
390         -fno-common.
391
392 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
393
394         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
395         * matrix-reorg.c (struct matrix_info): Likewise.
396         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
397         * rtl.h (struct mem_attrs): Likewise.
398         * df.h (struct df): Likewise.
399         * tree-data-ref.h (struct data_dependence_relation): Likewise.
400         * ira-int.h (struct ira_allocno): Likewise.
401         * df-scan.c (struct df_collection_rec): Likewise.
402         * ira.c (struct equivalence): Likewise.
403         * function.c (struct temp_slot): Likewise.
404         * cfgloop.h (struct loop): Likewise.
405
406         PR debug/39485
407         * function.c (use_register_for_decl): When not optimizing, disregard
408         register keyword for variables with types containing methods.
409
410 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
411
412         PR middle-end/39447
413         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
414         (is_simple_operand): Call contains_component_ref_p before calling data
415         reference analysis that would fail on COMPONENT_REFs.
416
417         * tree-vrp.c (search_for_addr_array): Fix formatting.
418
419 2009-03-18  Richard Guenther  <rguenther@suse.de>
420
421         * tree-vect-transform.c (vect_loop_versioning): Fold the
422         generated comparisons.
423         * tree-vectorizer.c (set_prologue_iterations): Likewise.
424         (slpeel_tree_peel_loop_to_edge): Likewise.
425
426 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
427
428         PR middle-end/37805
429         * opts.c (print_specific_help): In addition to `undocumented',
430         accept `separate' and `joined' flags if passed alone.  Describe
431         output by the first matched one of those.
432         (common_handle_option): Skip over empty strings.
433         * gcc.c (display_help): Fix help string for `--help='.
434         * doc/invoke.texi (Option Summary, Overall Options): With
435         `--help=', classes and qualifiers can both be repeated, but
436         only the latter can be negated.  One should not pass only
437         negated qualifiers.  Fix markup and examples.
438
439         Revert
440         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
441         PR middle-end/37805
442         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
443         and -fhelp=separate.
444
445 2009-03-17  Jing Yu  <jingyu@google.com>
446
447         PR middle-end/39378
448         * function.h (struct rtl_data): Move is_thunk from here...
449         (struct function): ...to here.
450         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
451         * varasm.c (assemble_start_function): Change is_thunk from crtl to
452         cfun.
453         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
454         cfun.
455         (alpha_does_function_need_gp, alpha_start_function): Likewise.
456         (alpha_output_function_end_prologue): Likewise.
457         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
458         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
459         (rs6000_output_function_epilogue): Likewise.
460         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
461
462 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
463
464         PR target/39482
465         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
466         from different units in a single alternative.
467         (*truncdfsf_i387): Ditto.
468         (*truncxfsf2_mixed): Ditto.
469         (*truncxfdf2_mixed): Ditto.
470
471 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
472
473         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
474         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
475
476         PR debug/39474
477         * tree-ssa-live.c (remove_unused_locals): Don't remove local
478         unused non-artificial variables when not optimizing.
479
480         PR debug/39471
481         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
482         DW_TAG_imported_module even if decl is IMPORTED_DECL with
483         NAMESPACE_DECL in its DECL_INITIAL.
484
485         PR middle-end/39443
486         * optabs.c (set_user_assembler_libfunc): New function.
487         * expr.h (set_user_assembler_libfunc): New prototype.
488         * c-common.c: Include libfuncs.h.
489         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
490         for memcmp, memset, memcpy, memmove and abort.
491         * Makefile.in (c-common.o): Depend on libfuncs.h.
492
493         PR debug/39412
494         * dwarf2out.c (gen_inlined_enumeration_type_die,
495         gen_inlined_structure_type_die, gen_inlined_union_type_die,
496         gen_tagged_type_instantiation_die): Removed.
497         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
498         do nothing.
499
500 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
501
502         PR testsuite/38526
503         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
504         its use.
505         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
506         (check-parallel-%): Ditto.
507         (check-consistency): Ditto.
508
509 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
510
511         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
512         local variable rhs by NULL_TREE.
513
514 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
515
516         PR target/39477
517         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
518
519 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
520
521         PR target/39476
522         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
523
524 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
525
526         PR target/39473
527         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
528         for ms->sysv ABI calls only in 64bit mode.
529
530         * config/i386/i386.md (untyped_call): Support 32bit.
531
532 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
533
534         * doc/extend.texi: Replace x86_65 with x86_64.
535
536 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
537
538         PR tree-optimization/39455
539         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
540         mismatches for POINTER_TYPE_P (type).
541         (number_of_iterations_le): Likewise.
542
543 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
544
545         * config/picochip/picochip.c: Removed profiling support.
546         * config/picochip/picochip.md: Removed profiling instruction.
547         * config/picochip/picochip.h: Removed profiling builtin.
548
549 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
550
551         * doc/install.texi (--with-host-libstdcxx): Document.
552
553 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
554
555         PR target/34299
556         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
557         generate a warning if the function name does not begin with
558         "__vector" and the function has either the 'signal' or 'interrupt'
559         attribute, from here to ...
560         (avr_declare_function_name): ...here. New function.
561         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
562         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
563
564 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
565
566         PR bootstrap/39454
567         * cse.c (fold_rtx): Don't modify original const_arg1 when
568         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
569         separate variable instead.
570         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
571         from out of range shift counts.
572         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
573
574 2008-03-13  Catherine Moore  <clm@codesourcery.com>
575
576         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
577         diagnostic.h with $(DIAGNOSTIC_H).
578
579 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
580
581         PR target/39431
582         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
583         predicate.
584         * config/i386/sync.md (sync_compare_and_swap<mode>,
585         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
586         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
587         into a register.
588         (sync_double_compare_and_swapdi_pic,
589         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
590         cmpxchg8b_pic_memory_operand instead of just memory_operand.
591
592 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
593
594         PR target/39445
595         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
596
597 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
598
599         PR target/39327
600         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
601         (avx_addsubv4df3): Likewise.
602         (*avx_addsubv4sf3): Likewise.
603         (sse3_addsubv4sf3): Likewise.
604
605 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
606
607         PR target/38824
608         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
609
610 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
611
612         PR debug/39432
613         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
614         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
615         registers for allocnos created from user-defined variables.
616
617 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
618
619         PR target/39181
620         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
621         of non-integer mode as well.
622
623 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
624
625         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
626         for functions for which the parameter types are unknown.
627
628 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
629
630         PR target/39137
631         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
632         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
633         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
634         * config/i386/i386.c (ix86_local_alignment): For
635         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
636         long long variables on the stack to avoid dynamic realignment.
637         Allow the first argument to be a decl rather than type.
638         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
639
640 2009-03-11  Nick Clifton  <nickc@redhat.com>
641
642         PR target/5362
643         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
644         options.
645         Add description to mno-lsim option.
646         * config/mcore/mcore.h: Remove comment about deprecated m4align
647         option.
648         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
649         * doc/invoke.texi: Add description of mno-lsim and
650         mstack-increment options.
651
652         * config/fr30/fr30.opt: Document the -mno-lsim option.
653         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
654         and -mno-lsim options.
655
656 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
657
658         * fold-const.c (fold_comparison): Only call fold_inf_compare
659         if the mode supports infinities.
660
661 2009-03-11  Jason Merrill  <jason@redhat.com>
662
663         PR debug/39086
664         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
665         end already did.  Notice GIMPLE_CALL modifications of the result.
666         Don't copy debug information from an ignored decl or a decl from
667         another function.
668
669 2009-03-10  Richard Guenther  <rguenther@suse.de>
670             Nathan Froyd  <froydnj@codesourcery.com>
671
672         PR middle-end/37850
673         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
674         (__divMODE3): Likewise.
675
676 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
677
678         PR tree-optimization/39394
679         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
680         DECL_SIZE_UNIT of variable length FIELD_DECLs.
681
682 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
683
684         * recog.c (verfiy_changes): Disallow renaming of hard regs in
685         inline asms for register asm ("") declarations.
686
687 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
688
689         * fold-const.c (fold_unary): Fix comment.
690
691 2009-03-07  Jan Hubicka  <jh@suse.cz>
692
693         PR target/39361
694         * tree-inline.c (setup_one_parameter): Do replacement of const
695         argument by constant in SSA form.
696
697 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
698
699         PR middle-end/38028
700         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
701         determine alignment passed to assign_stack_local.
702         (assign_parms_unsplit_complex): Likewise.
703         * except.c (sjlj_build_landing_pads): Likewise.
704
705 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
706
707         PR middle-end/39360
708         * tree-flow.h (add_referenced_var): Return bool instead of void.
709         * tree-dfa.c (add_referenced_var): Return result of
710         referenced_var_check_and_insert call.
711         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
712         of referenced_var_check_and_insert.
713
714         PR debug/39372
715         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
716         (gen_variable_die): Emit DW_AT_location on abstract static variable's
717         DIE, don't emit it if abstract origin already has it.
718         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
719         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
720
721 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
722
723         * genpreds.c: (needs_variable): Fix parentheses at variable name
724         detection.
725         (write_tm_constrs_h): Indent generated code.
726
727 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
728
729         * doc/extend.texi (Function Attributes): Add documentation
730         for isr attributes.
731
732 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
733
734         PR debug/39387
735         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
736         take locus from its DECL_SOURCE_LOCATION instead of input_location.
737
738 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
739
740         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
741         the loop as bad.
742
743 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
744
745         PR debug/39379
746         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
747         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
748
749 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
750
751         * config/i386/i386.md (R8_REG, R9_REG): New constants.
752         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
753         constants instead of magic numbers.
754         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
755         (QI_REG_P): Ditto.
756         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
757         (x86_64_ms_abi_int_parameter_registers): Ditto.
758         (x86_64_int_return_registers): Ditto.
759         (ix86_maybe_switch_abi): Ditto.
760         (ix86_expand_call): Ditto for clobbered_registers array.
761         (ix86_hard_regno_mode_ok): Ditto.
762         (x86_extended_QIreg_mentioned_p): Ditto.
763
764 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
765
766         PR tree-optimization/39349
767         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
768
769         * combine.c (gen_lowpart_for_combine): Use omode when generating
770         clobber.
771
772 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
773
774         PR rtl-optimization/39235
775         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
776
777 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
778
779         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
780
781 2009-03-04  Richard Guenther  <rguenther@suse.de>
782
783         PR tree-optimization/39362
784         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
785         that occur in abnormal PHIs should be varying.
786
787 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
788
789         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
790         Extend comments.
791         (simple_iv):  Take loop as an argument instead of statement.
792         * tree-scalar-evolution.h (simple_iv): Declaration changed.
793         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
794         to simple_iv.
795         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
796         Ditto.
797         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
798         * matrix-reorg.c (analyze_transpose): Ditto.
799         * tree-data-ref.c (dr_analyze_innermost): Ditto.
800         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
801         * tree-predcom.c (ref_at_iteration): Ditto.
802         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
803
804 2009-03-04  Richard Guenther  <rguenther@suse.de>
805
806         PR tree-optimization/39358
807         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
808         escaped_id and callused_id.
809         (solve_graph): Likewise.
810
811 2009-03-04  Richard Guenther  <rguenther@suse.de>
812
813         PR tree-optimization/39339
814         * tree-sra.c (try_instantiate_multiple_fields): Make it
815         no longer ICE on the above.
816
817 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
818
819         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
820         that fits within Pmode.
821
822 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
823
824         PR middle-end/10109
825         * tm.texi (LIBCALL_VALUE): Update description.
826
827 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
828
829         PR middle-end/34443
830         * doc/extend.texi (section): Update description.
831
832 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
833
834         PR middle-end/39345
835         * tree-inline.c (remapped_type): New.
836         (can_be_nonlocal): Call remapped_type instead of remap_type.
837
838 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
839
840         PR fortran/39354
841         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
842         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
843
844 2009-03-03  Richard Guenther  <rguenther@suse.de>
845
846         PR middle-end/39272
847         * tree.c (tree_nonartificial_location): New function.
848         * tree.h (tree_nonartificial_location): Declare.
849         * builtins.c (expand_builtin_memory_chk): Provide location
850         of the call location for artificial function pieces.
851         (maybe_emit_chk_warning): Likewise.
852         (maybe_emit_sprintf_chk_warning): Likewise.
853         (maybe_emit_free_warning): Likewise.
854         * expr.c (expand_expr_real_1): Likewise.
855
856 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
857
858         PR tree-optimization/39343
859         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
860         COMPONENT_REF t has ARRAY_TYPE.
861
862 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
863
864         PR middle-end/39335
865         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
866         when the type precision of the induction variable should be
867         larger than the type precision of nit.
868         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
869         * graphite.c (graphite_loop_normal_form): Same.
870         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
871
872 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
873
874         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
875         (*call_1_rex64_ms_sysv): Use named constants instead of magic
876         numbers to describe clobbered registers.
877         (*call_value_0_rex64_ms_sysv): Ditto.
878         * config/i386/mmx.md (mmx_emms): Ditto.
879         (mmx_femms): Ditto.
880
881 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
882
883         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
884         of ABI_64.
885
886 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
887
888         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
889         (spu_section_type_flags): New function.
890
891 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
892
893         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
894         reg_class_contents of FLOAT_REGS into a temporary.
895
896 2009-03-02  Richard Guenther  <rguenther@suse.de>
897             Ira Rosen  <irar@il.ibm.com>
898
899         PR tree-optimization/39318
900         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
901         information to the vectorized statement.
902
903 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
904
905         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
906         variable.  Use defined names instead of magic constants for REX SSE
907         registers.
908
909 2009-03-01  Richard Guenther  <rguenther@suse.de>
910
911         PR tree-optimization/39331
912         * omp-low.c (lower_send_shared_vars): Do not receive new
913         values for the reference of DECL_BY_REFERENCE parms or results.
914
915 2009-03-01  Jan Hubicka  <jh@suse.cz>
916
917         PR debug/39267
918         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
919         BLOCK_NONLOCALIZED_VAR): New macros.
920         (tree_block): Add nonlocalized_vars.
921         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
922         gen_decl_die): Add origin argument.  Allow generation of die with
923         origin at hand only.
924         (gen_member_die, gen_type_die_with_usage, force_decl_die,
925         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
926         of gen_*.
927         (gen_block_die): Fix checking for unused blocks.
928         (process_scope_var): Break out from .... ; work with origins only.
929         (decls_for_scope) ... here; process nonlocalized list.
930         (dwarf2out_ignore_block): Look for nonlocalized vars.
931         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
932         vars.
933         (dump_scope_block): Dump them.
934         * tree-inline.c (remap_decls): Handle nonlocalized vars.
935         (remap_block): Likewise.
936         (can_be_nonlocal): New predicate.
937         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
938
939 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
940
941         * configure: Regenerate.
942
943 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
944
945         * optc-gen.awk: No need to duplicate option flags twice.
946         Reuse help texts for duplicate options which do not have any.
947
948         * gcc.c (display_help): Document --version.
949
950         * gcc.c (main): If print_help_list and verbose_flag, ensure
951         driver output comes before subprocess output.
952
953         * optc-gen.awk: Assign all remaining fields to help string,
954         space-separated, for multi-line help in *.opt.
955
956         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
957         -Wno-pedantic-ms-format is for MinGW targets only.
958
959         * doc/options.texi (Option file format): Fix bad indentation,
960         restoring dropped sentence.
961
962 2009-02-28  Jan Hubicka  <jh@suse.cz>
963
964         * tree-inline.c (tree_function_versioning): Output debug info.
965
966 2009-02-28  Jan Hubicka  <jh@suse.cz>
967
968         PR debug/39267
969         * tree-inline.c (setup_one_parameter): Do not copy propagate
970         arguments when not optimizing.
971
972 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
973
974         PR target/39327
975         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
976         (avx_addsubv4df3): Likewise.
977         (*avx_addsubv4sf3): Likewise.
978         (sse3_addsubv4sf3): Likewise.
979         (*avx_addsubv2df3): Likewise.
980         (sse3_addsubv2df3): Likewise.
981         (avx_unpckhps256): Correct item selectors.
982         (avx_unpcklps256): Likewise.
983         (avx_unpckhpd256): Likewise.
984         (avx_unpcklpd256): Likewise.
985
986 2009-02-28  Jan Hubicka  <jh@suse.cz>
987
988         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
989         static vars.
990         (copy_arguments_for_versioning): If var is declared don't declare it.
991         (tree_function_versioning): First setup substitutions and then copy
992         args.
993
994 2009-02-27  Jan Hubicka  <jh@suse.cz>
995
996         PR debug/39267
997         * cgraph.h (varpool_output_debug_info): Remove.
998         * cgraphunit.c (varpool_output_debug_info): Remove.
999         * dwarf2out.c (deferred_locations_struct): New struct
1000         (deferred_locations): New type.
1001         (deferred_locations_list): New static var.
1002         (deffer_location): New function.
1003         (gen_variable_die): Use it.
1004         (decls_for_scope): Output info on local static vars.
1005         (dwarf2out_finish): Process deferred locations.
1006         * varpool.c (varpool_output_debug_info): Remove.
1007
1008 2009-02-27  Jan Hubicka  <jh@suse.cz>
1009
1010         PR debug/39267
1011         * tree.h (TREE_PROTECTED): Fix comment.
1012         (BLOCK_HANDLER_BLOCK): Remove.
1013         (struct tree_block): Remove handler_block add body_block.
1014         (inlined_function_outer_scope_p): New.
1015         (is_body_block): Remove.
1016         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
1017         * dwarf2out.c (is_inlined_entry_point): Remove.
1018         (add_high_low_attributes): Use inlined_function_outer_scope_p.
1019         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
1020         code.
1021         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
1022         * gimplify.c (gimplify_expr): Gimplify body blocks.
1023         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
1024         block with multiple subblocks.
1025         (dump_scope_block): Prettier output; dump more flags and info.
1026         (dump_scope_blocks): New.
1027         (remove_unused_locals): Use dump_scope_blocks.
1028         * tree-flow.h (dump_scope_blocks): Declare.
1029         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
1030         * stmt.c (is_body_block): Remove.
1031         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
1032         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
1033
1034 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
1035
1036         PR middle-end/39308
1037         * graphite.c (graphite_loop_normal_form): Do not call 
1038         number_of_iterations_exit from a gcc_assert.
1039
1040 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1041
1042         * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
1043         jumps if COND is NULL.
1044         (find_cond_jump): New function.
1045         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
1046         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
1047
1048 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
1049
1050         * config/alpha/alpha.h (alpha_expand_mov): Return false if
1051         force_const_mem returns NULL_RTX.
1052
1053 2009-02-26  Jan Hubicka  <jh@suse.cz>
1054
1055         PR debug/39267
1056         * cgraph.h (varpool_output_debug_info): Remove.
1057         * cgraphunit.c (varpool_output_debug_info): Remove.
1058         * dwarf2out.c (deferred_locations_struct): New struct
1059         (deferred_locations): New type.
1060         (deferred_locations_list): New static var.
1061         (deffer_location): New function.
1062         (gen_variable_die): Use it.
1063         (decls_for_scope): Output info on local static vars.
1064         (dwarf2out_finish): Process deferred locations.
1065         * varpool.c (varpool_output_debug_info): Remove.
1066
1067 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
1068
1069         PR rtl-optimization/39241
1070         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
1071         to subreg_offset_representable_p.
1072
1073 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
1074
1075         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
1076         execute function prototype.  Get f and nregs from max_reg_num
1077         and get_insns.  Remove the first backward pass as it's dead,
1078         guard the forward pass by flag_expensive_optimizations.
1079         (rest_of_handle_regmove): Delete.
1080         (pass_regmove): Replace it with regmove_optimize.
1081
1082 2009-02-25  Martin Jambor  <mjambor@suse.cz>
1083
1084         PR tree-optimization/39259
1085         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
1086         calls_alloca function flags.
1087         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
1088         calls are detected.
1089
1090 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
1091
1092         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
1093         flags_set_1_rtx, flags_set_1_set): Delete.
1094         (regmove_optimize): Do not call mark_flags_life_zones.
1095
1096 2009-02-24  Julian Brown  <julian@codesourcery.com>
1097
1098         PR target/35965
1099         * config/arm/arm.c (require_pic_register): Only set
1100         cfun->machine->pic_reg once per function.
1101
1102 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
1103
1104         * doc/invoke.texi (Link Options): Document an easier way to pass
1105         options that take arguments to the GNU linker using -Xlinker and -Wl.
1106
1107 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
1108
1109         PR target/33785
1110         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
1111
1112 2009-02-24  Richard Guenther  <rguenther@suse.de>
1113
1114         PR debug/39285
1115         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
1116
1117 2009-02-24  Richard Guenther  <rguenther@suse.de>
1118             Zdenek Dvorak  <ook@ucw.cz>
1119
1120         PR tree-optimization/39233
1121         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
1122         from converting them to a generic type.
1123
1124 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1125
1126         PR tree-optimization/39260
1127         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
1128         contains a condition with a real type.
1129         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
1130
1131 2009-02-23  Jason Merrill  <jason@redhat.com>
1132
1133         PR c++/38880
1134         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
1135         narrowing_initializer_constant_valid_p.
1136         (narrowing_initializer_constant_valid_p): Don't return 
1137         null_pointer_node for adding a pointer to itself.
1138
1139 2009-02-23  Jan Hubicka  <jh@suse.cz>
1140
1141         PR c/12245
1142         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
1143         resizing.
1144
1145 2009-02-23  Jan Hubicka  <jh@suse.cz>
1146
1147         PR tree-optimization/37709
1148         * tree.c (block_ultimate_origin): Move here from dwarf2out.
1149         * tree.h (block_ultimate_origin): Declare.
1150         * dwarf2out.c (block_ultimate_origin): Move to tree.c
1151         * tree-ssa-live.c (remove_unused_scope_block_p):
1152         Eliminate blocks containig no instructions nor live variables nor
1153         nested blocks.
1154         (dump_scope_block): New function.
1155         (remove_unused_locals): Enable removal of dead blocks by default;
1156         enable dumping at TDF_DETAILS.
1157
1158 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
1159
1160         * config/i386/i386.c (classify_argument): Don't allow COImode
1161         and OImode.
1162         (function_arg_advance_32): Don't allow OImode.
1163         (function_arg_32): Likewise.
1164         (function_value_32): Likewise.
1165         (return_in_memory_32): Likewise.
1166         (function_arg_64): Remove OImode comment.
1167
1168 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
1169
1170         PR target/39261
1171         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
1172         ix86_expand_vector_set for V4DImode in 64bit mode only.
1173         (ix86_expand_vector_init_one_var): Likewise.
1174
1175 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
1176
1177         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
1178
1179 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
1180
1181         PR bootstrap/39257
1182         * loop-iv.c: Revert last change.
1183         * emit-rtl.c: Likewise.
1184
1185 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
1186
1187         PR target/39256
1188         * config/i386/i386.c (type_natural_mode): Remove an extra
1189         space in the warning message.
1190         (function_value_32): Handle 32-byte vector modes.
1191         (return_in_memory_32): Likewise.
1192
1193 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
1194
1195         * loop-iv.c (truncate_value): New function.
1196         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
1197         of lowpart_subreg.
1198         (lowpart_subreg): Move to...
1199         * emit-rtl.c: ...here.
1200
1201 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
1202
1203         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
1204         accidental and undocumented change at revision 140860.
1205
1206 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
1207
1208         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
1209         take gimple_seq * arguments.
1210         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
1211         types_compatible_p langhook.
1212
1213 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
1214             Joseph Myers  <joseph@codesourcery.com>
1215
1216         * config/arm/arm.c (arm_builtin_va_list): New function.
1217         (arm_expand_builtin_va_start): Likewise.
1218         (arm_gimplify_va_arg_expr): Likewise.
1219         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
1220         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
1221         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
1222         (va_list_type): New variable.
1223         (arm_mangle_type): Mangle va_list_type appropriately.
1224
1225 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
1226
1227         PR middle-end/39157
1228         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
1229         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
1230         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
1231         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
1232         parameter to 1000 for -O1 by default.
1233         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
1234         parameter.
1235         * loop-invariant.c: Include params.h.
1236         (move_loop_invariants): Don't call move_single_loop_invariants on
1237         very large loops.
1238
1239 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
1240
1241         * calls.c (emit_library_call_value_1): Use slot_offset instead of
1242         offset when calculating bounds for indexing stack_usage_map.  Fixes
1243         a buffer overflow with certain target setups.
1244
1245 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
1246
1247         PR target/39240
1248         * calls.c (expand_call): Clear try_tail_call if caller and callee
1249         disagree in promotion of function return value.
1250
1251 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
1252
1253         PR target/39175
1254         * c-common.c (c_determine_visibility): If visibility changed and
1255         DECL_RTL has been already set, call make_decl_rtl to update symbol
1256         flags.
1257
1258 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1259
1260         PR c++/39188
1261         * varasm.c (assemble_variable): Don't check DECL_NAME when
1262         globalizing a variable.
1263
1264 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
1265
1266         PR c/38483
1267         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
1268         expression before any __builtin_trap call.
1269         * c-typeck.c (build_function_call): Convert and check function
1270         arguments before generating a call to a trap.  Evaluate the
1271         function arguments before the trap.
1272
1273 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
1274
1275         PR target/39228
1276         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
1277         (UNSPEC_FXAM_MEM): New unspec.
1278         (fxam<mode>2_i387_with_temp): New insn and split pattern.
1279         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
1280         memory using fxam<mode>2_i387_with_temp to remove excess precision.
1281
1282 2009-02-19  Richard Guenther  <rguenther@suse.de>
1283
1284         PR tree-optimization/39207
1285         PR tree-optimization/39074
1286         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
1287         storedanything_tree): New.
1288         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
1289         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
1290         (build_succ_graph): Add edges from STOREDANYTHING to all
1291         non-direct nodes.
1292         (init_base_vars): Initialize STOREDANYTHING.
1293         (compute_points_to_sets): Free substitution info after
1294         building the succ graph.
1295         (ipa_pta_execute): Likewise.
1296
1297         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
1298         field.
1299         (do_ds_constraint): Do not add to special var or non-pointer
1300         field solutions.
1301         (type_could_have_pointers): Split out from ...
1302         (could_have_pointers): ... here.  For arrays use the element type.
1303         (create_variable_info_for): Initialize may_have_pointers.
1304         (new_var_info): Likewise.
1305         (handle_lhs_call): Make the HEAP variable unknown-sized.
1306         (intra_create_variable_infos): Use a type with pointers for
1307         PARM_NOALIAS, make it unknown-sized.
1308
1309 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1310
1311         PR target/39224
1312         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
1313
1314 2009-02-18  Jason Merrill  <jason@redhat.com>
1315
1316         PR target/39179
1317         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
1318         value if DECL_EXTERNAL.
1319         * tree-sra.c (sra_walk_gimple_assign): Likewise.
1320         * target.h (gcc_target::binds_local_p): Clarify "module".
1321         * tree.h (TREE_PUBLIC): Clarify "module".
1322
1323 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
1324
1325         PR target/38891
1326         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
1327         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
1328
1329 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
1330
1331         PR target/39082
1332         * c.opt (Wabi): Support C and ObjC.
1333         (Wpsabi): New.
1334
1335         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
1336
1337         * config/i386/i386.c (classify_argument): Warn once about the ABI
1338         change when passing union with long double.
1339
1340         * doc/invoke.texi: Update -Wabi for warning psABI changes.
1341
1342 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
1343
1344         PR c/35447
1345         * c-parser.c (c_parser_compound_statement): Always enter and leave
1346         a scope.
1347
1348 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1349
1350         PR target/34587
1351         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
1352
1353 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
1354
1355         PR tree-optimization/36922
1356         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
1357         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
1358         Likewise.
1359
1360 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
1361
1362         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
1363         to 0 for EABI64.
1364
1365 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
1366
1367         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
1368
1369 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
1370
1371         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
1372         tree sharing.
1373
1374 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
1375             Richard Sandiford  <rdsandiford@googlemail.com>
1376
1377         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
1378         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
1379         (loongson_biadd): ...this.
1380
1381 2009-02-17  Richard Guenther  <rguenther@suse.de>
1382
1383         PR tree-optimization/39202
1384         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
1385         a var make sure to follow existing collapses.
1386
1387 2009-02-17  Richard Guenther  <rguenther@suse.de>
1388
1389         PR middle-end/39214
1390         * langhooks.c (lhd_print_error_function): Check for NULL block.
1391
1392 2009-02-17  Richard Guenther  <rguenther@suse.de>
1393
1394         PR tree-optimization/39204
1395         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
1396         of the PHI arg.
1397
1398 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
1399
1400         * config/soft-fp/double.h: Update from glibc CVS.
1401
1402 2009-02-17  Richard Guenther  <rguenther@suse.de>
1403
1404         PR tree-optimization/39207
1405         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
1406         strict-aliasing warnings for pointers pointing to NULL.
1407
1408 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
1409
1410         PR c/35446
1411         * c-parser.c (c_parser_braced_init): Call pop_init_level when
1412         skipping until next close brace.
1413
1414 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
1415
1416         PR target/37049
1417         * config/i386/i386.c (ix86_expand_push): Set memory alignment
1418         to function argument boundary.
1419
1420 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
1421
1422         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1423         in the lea_add. Reload eventually constraints it properly.
1424         * config/picochip/constraints.md : Remove the target constraint
1425         "b", since it is not needed anymore.
1426
1427 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
1428
1429         * gthr-dce.h: Uglify function parameter and local variable names.
1430         * gthr-gnat.h: Likewise.
1431         * gthr-mipssde.h: Likewise.
1432         * gthr-nks.h: Likewise.
1433         * gthr-posix95.h: Likewise.
1434         * gthr-posix.h: Likewise.
1435         * gthr-rtems.h: Likewise.
1436         * gthr-single.h: Likewise.
1437         * gthr-solaris.h: Likewise.
1438         * gthr-tpf.h: Likewise.
1439         * gthr-vxworks.h: Likewise.
1440         * gthr-win32.h: Likewise.
1441
1442 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
1443
1444         PR target/39196
1445         * config/i386/i386.md: Restrict the new peephole2 to move
1446         between MMX/SSE registers.
1447
1448 2009-02-15  Richard Guenther  <rguenther@suse.de>
1449
1450         Revert
1451         2009-02-13  Richard Guenther  <rguenther@suse.de>
1452
1453         * configure.ac: Enable LFS.
1454         * configure: Re-generate.
1455         * config.in: Likewise.
1456
1457 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1458
1459         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1460         spu_srqwbyte, spu_srqwbytebc): Define.
1461         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1462         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1463         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1464         "shrqby_<mode>"): New insn-and-split patterns.
1465         * config/spu/spu.c (expand_builtin_args): Determine and return
1466         number of operands using spu_builtin_description data.
1467         (spu_expand_builtin_1): Use it.
1468
1469 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
1470
1471         PR target/38056
1472         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1473         TARGET_CONST_GP.
1474
1475 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
1476
1477         PR target/39149
1478         * config/i386/i386.c (override_options): Correct warning
1479         messages for -malign-loops, -malign-jumps and -malign-functions.
1480
1481 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
1482
1483         PR target/39152
1484         * config/i386/i386.md: Restrict the new peephole2 to move
1485         between the general purpose registers.
1486
1487 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
1488
1489         PR target/39162
1490         * config/i386/i386.c (type_natural_mode): Add a new argument.
1491         Return the original mode and warn ABI change if vector size is 32byte.
1492         (function_arg_advance): Updated.
1493         (function_arg): Likewise.
1494         (ix86_function_value): Likewise.
1495         (ix86_return_in_memory): Likewise.
1496         (ix86_sol10_return_in_memory): Likewise.
1497         (ix86_gimplify_va_arg): Likewise.
1498         (function_arg_32): Don't warn ABX ABI change here.
1499         (function_arg_64): Likewise.
1500
1501 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
1502
1503         * loop-iv.c (implies_p): In the final case, test that operands 0
1504         of the two comparisons match.
1505
1506         * config/bfin/bfin.c (find_prev_insn_start): New function.
1507         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1508         (find_next_insn_start): Move.
1509
1510 2009-02-13  Richard Guenther  <rguenther@suse.de>
1511
1512         * configure.ac: Enable LFS.
1513         * configure: Re-generate.
1514         * config.in: Likewise.
1515
1516 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
1517
1518         PR c/35444
1519         * c-parser.c (c_parser_parms_list_declarator): Discard pending
1520         sizes on syntax error after some arguments have been parsed.
1521
1522 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
1523
1524         * doc/invoke.texi (-fira): Remove.
1525
1526 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1527
1528         * caller-save.c: Replace regclass.c with reginfo.c in comments.
1529         * recog.c: Likewise.
1530         * rtl.h: Likewise.
1531
1532 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
1533
1534         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1535         (umul_ppmm): Likewise.
1536         (count_leading_zeros): Likewise.
1537         (count_trailing_zeros): Likewise.
1538         (UMUL_TIME): Likewise.
1539
1540 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1541
1542         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1543         soft-fp/t-softfp to tmake_file.
1544
1545         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1546         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1547         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1548         IA64_BUILTIN_INFQ]: New.
1549         (ia64_init_builtins): Initialize __builtin_infq,
1550         __builtin_fabsq and __builtin_copysignq if not HPUX.
1551         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1552         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1553
1554         * config/ia64/lib1funcs.asm (__divtf3): Define only if
1555         SHARED is defined.
1556         (__fixtfti): Likewise.
1557         (__fixunstfti): Likewise.
1558         (__floattitf): Likewise.
1559
1560         * config/ia64/libgcc-glibc.ver: New.
1561         * config/ia64/t-fprules-softfp: Likewise.
1562         * config/ia64/sfp-machine.h: Likewise.
1563
1564         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1565         (LIBGCC2_TF_CEXT): Likewise.
1566         (TF_SIZE): Likewise.
1567         (TARGET_INIT_LIBFUNCS): Likewise.
1568
1569         * config/ia64/t-glibc (SHLINB_MAPFILES):
1570         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1571
1572 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1573
1574         * config/i386/i386.c (construct_container): Rewrite processing
1575         BLKmode with X86_64_SSE_CLASS.
1576
1577 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
1578
1579         PR target/39152
1580         * config/i386/i386.md: Replace simplify_replace_rtx with
1581         replace_rtx in the new peephole2.
1582
1583 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
1584
1585         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1586         loop unrolling do not happen at -O2.
1587
1588 2009-02-12  Michael Matz  <matz@suse.de>
1589
1590         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1591
1592 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
1593
1594         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1595         for -g3.
1596
1597 2009-02-12  Ben Elliston  <bje@au.ibm.com>
1598
1599         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1600         patterns when updating the back chain.  Missed in the 2009-02-10
1601         change.
1602
1603 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
1604
1605         * doc/extend.texi (Decimal Floating Types): Update identifier of
1606         draft TR and list of missing support.
1607
1608 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
1609
1610         PR middle-end/39154
1611         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1612         bit to variable length decl's flags, add it also to its
1613         pointer replacement variable.
1614
1615 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
1616             Jakub Jelinek  <jakub@redhat.com>
1617
1618         PR target/39118
1619         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1620         (memory_blockage): New expander.
1621         (*memory_blockage): New insn pattern.
1622         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1623         instead of general blockage at the end of function prologue when
1624         frame pointer is used to access red zone area.  Do not emit blockage
1625         when profiling, it is emitted in generic code.
1626         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1627         function epilogue when frame pointer is used to access red zone area.
1628
1629 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
1630
1631         PR target/38824
1632         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1633         by arithmetic with memory operands.
1634         * config/i386/predicates.md (commutative_operator): New.
1635
1636 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
1637
1638         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1639         bulleted lists.
1640
1641 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1642
1643         * alias.h (record_alias_subset): Declare.
1644         * alias.c (record_alias_subset): Make global.
1645
1646 2009-02-10  Nick Clifton  <nickc@redhat.com>
1647
1648         * tree-parloops.c: Change license to GPLv3.
1649         * ipa-struct-reorg.c: Change license to GPLv3.
1650         * ipa-struct-reorg.h: Change license to GPLv3.
1651
1652 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
1653
1654         PR c/39084
1655         * c-decl.c (start_struct): Return NULL on error.
1656
1657 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
1658
1659         PR middle-end/39124
1660         * cfgloopmanip.c (remove_path): Call remove_bbs after
1661         cancel_loop_tree, not before it.
1662
1663         PR target/39139
1664         * function.h (struct function): Add has_local_explicit_reg_vars bit.
1665         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1666         VAR_DECLs were seen.
1667         * tree-ssa-live.c (remove_unused_locals): Recompute
1668         cfun->has_local_explicit_reg_vars.
1669         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1670         copies or clearings if cfun->has_local_explicit_reg_vars.
1671
1672 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
1673
1674         PR target/39118
1675         * config/i386/i386.c (expand_prologue): Emit blockage at the end
1676         of function prologue when frame pointer is used to access
1677         red zone area.
1678
1679 2009-02-10  Richard Guenther  <rguenther@suse.de>
1680
1681         PR middle-end/39127
1682         * gimplify.c (gimple_regimplify_operands): Always look if
1683         we need to create a temporary.
1684
1685 2009-02-10  Richard Guenther  <rguenther@suse.de>
1686
1687         PR tree-optimization/39132
1688         * tree-loop-distribution.c (todo): New global var.
1689         (generate_memset_zero): Trigger TODO_rebuild_alias.
1690         (tree_loop_distribution): Return todo.
1691
1692 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
1693
1694         PR target/39119
1695         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1696         (x86_64_reg_class_name): Removed.
1697         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
1698         first one isn't X86_64_SSE_CLASS or any other ones aren't
1699         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
1700         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1701         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
1702         and 3 X86_64_SSEUP_CLASS.
1703         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
1704         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1705
1706 2009-02-10  Ben Elliston  <bje@au.ibm.com>
1707
1708         * config/rs6000/rs6000.md (allocate_stack): Always use an update
1709         form instruction to update the stack back chain word, even if the
1710         user has disabled the generation of update instructions.
1711         (movdi_<mode>_update_stack): New.
1712         (movsi_update_stack): Likewise.
1713         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1714         always use an update form instruction to update the stack back
1715         chain word.
1716
1717 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
1718
1719         PR middle-end/38953
1720         * graphite.c (if_region_set_false_region): After moving a region in
1721         the false branch of a condition, remove the empty dummy basic block.
1722         (gloog): Remove wrong fix for PR38953.
1723
1724 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1725
1726         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1727         generation due to implicit sign extension.
1728
1729 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
1730
1731         PR middle-end/38981
1732         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1733         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1734
1735 2009-02-09  Richard Guenther  <rguenther@suse.de>
1736
1737         PR middle-end/35202
1738         * convert.c (convert_to_real): Disable (float)fn((double)x)
1739         to fnf(x) conversion if errno differences may occur and
1740         -fmath-errno is set.
1741
1742 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
1743
1744         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1745         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1746         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1747
1748 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
1749
1750         PR c/35434
1751         * c-common.c (handle_alias_attribute): Disallow attribute for
1752         anything not a FUNCTION_DECL or VAR_DECL.
1753
1754 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
1755
1756         PR c/39035
1757         * real.c (do_compare): Special-case compare of zero against
1758         decimal float value.
1759
1760 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
1761
1762         PR c/36432
1763         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1764         as indicating flexible array members unless the field itself is
1765         being declarared as the incomplete array.
1766
1767 2009-02-06  Jan Hubicka  <jh@suse.cz>
1768
1769         PR tree-optimization/38844
1770         * ipa-inline.c (try_inline): Stop inlining recursion when edge
1771         is already inlined.
1772
1773 2009-02-06  Richard Guenther  <rguenther@suse.de>
1774
1775         PR middle-end/38977
1776         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1777         fork because we may expand it as __gcov_fork.
1778
1779 2009-02-06  Nick Clifton  <nickc@redhat.com>
1780
1781         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1782
1783 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
1784
1785         PR tree-optimization/35659
1786         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1787         vn_phi_eq): Shortcut if hashcode does not match.
1788         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1789         NULL operands.
1790         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1791         and avoid iterative_hash_expr.
1792         (FOR_EACH_VALUE_ID_IN_SET): New.
1793         (value_id_compare): Remove.
1794         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1795         sort expressions by value id.
1796
1797 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
1798
1799         PR target/38991
1800         * config/sh/predicates.md (general_movsrc_operand): Don't check
1801         the subreg of system registers here.
1802
1803 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
1804
1805         PR c++/39106
1806         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1807         on the copied decl.
1808
1809 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
1810
1811         PR rtl-optimization/39110
1812         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1813         addresses, not aligned ones.
1814
1815 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
1816             Richard Guenther  <rguenther@suse.de>
1817
1818         PR tree-optimization/39100
1819         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1820         comment says and add edges.
1821
1822 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
1823
1824         PR c/35435
1825         * c-common.c (handle_tls_model_attribute): Ignore attribute for
1826         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1827
1828 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
1829
1830         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1831         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1832         register_bb_in_sese, new_sese, free_sese): Moved.
1833         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1834         outermost_loop_in_scop, build_scop_iteration_domain,
1835         expand_scalar_variables_ssa_name, get_vdef_before_scop,
1836         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1837         Use loop_in_sese_p instead of loop_in_scop_p.
1838         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1839         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1840         (scopdet_basic_block_info): Fix bug in scop detection.
1841         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1842         eq_loop_to_cloog_loop): Remove.
1843         (nb_loops_around_loop_in_scop, nb_loop
1844         ref_nb_loops): Moved here...
1845         * graphite.h (ref_nb_loops): ... from here.
1846         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1847         (loop_domain_dim, loop_iteration_vector_dim): Remove.
1848         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1849         * testsuite/gcc.dg/graphite/scop-19.c: New
1850
1851 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
1852             Hans-Peter Nilsson  <hp@axis.com>
1853
1854         PR rtl-optimization/37889
1855         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1856         Move offset handling from PLUS to before the switch.  Use new
1857         arguments when considering SYMBOL_REFs too.
1858         (rtx_addr_can_trap_p): Pass dummy offset and size.
1859         (enum may_trap_p_flags): Remove.
1860         (may_trap_p_1): Pass size from MEM_SIZE.
1861
1862         PR rtl-optimization/38921
1863         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1864         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1865         * rtlanal.c (may_trap_after_code_motion_p): Delete.
1866         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1867
1868 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
1869
1870         AVX Programming Reference (January, 2009)
1871         * config/i386/sse.md (*vpclmulqdq): New.
1872
1873 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
1874
1875         PR tree-optimization/38977
1876         PR gcov-profile/38292
1877         * calls.c (special_function_p): Disregard __builtin_ prefix.
1878
1879 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
1880
1881         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1882         non-indexable addresses even before reload.
1883
1884 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
1885
1886         PR c/29129
1887         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1888         as having variable size.  Do not give an error for unnamed
1889         parameters with [*] declarators.  Give a warning for type names
1890         with [*] declarators and mark them as variable size.
1891         * c-parser.c (c_parser_sizeof_expression): Do not give an error
1892         for sizeof applied to [*] type names.
1893
1894 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1895
1896         PR C++/36607
1897         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1898
1899 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
1900
1901         * gcc.c (process_command): Update copyright notice dates.
1902         * gcov.c (print_version): Likewise.
1903         * gcov-dump.c (print_version): Likewise.
1904         * mips-tfile.c (main): Likewise.
1905         * mips-tdump.c (main): Likewise.
1906
1907 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
1908
1909         PR c/35433
1910         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1911         for composite type involving a zero-length array type.
1912
1913 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
1914
1915         PR target/35318
1916         * function.c (match_asm_constraints_1): Skip over
1917         initial optional % in the constraint.
1918
1919         PR inline-asm/39059
1920         * c-parser.c (c_parser_postfix_expression): If fixed point is not
1921         supported, don't accept FIXED_CSTs.
1922         * c-decl.c (finish_declspecs): Error if fixed point is not supported
1923         and _Sat is used without _Fract/_Accum.  Set specs->type to
1924         integer_type_node for cts_fract/cts_accum if fixed point is not
1925         supported.
1926
1927 2009-02-02  Catherine Moore  <clm@codesourcery.com>
1928
1929         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1930
1931 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
1932
1933         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1934         (ABI_HAS_64BIT_SYMBOLS): Use it.
1935         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1936
1937 2009-02-02  Paul Brook  <paul@codesourcery.com>
1938
1939         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1940
1941 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
1942
1943         PR inline-asm/39058
1944         * recog.h (asm_operand_ok): Add constraints argument.
1945         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
1946         recurse on matching constraint.
1947         (check_asm_operands): Pass constraints as 3rd argument to
1948         asm_operand_ok.  Don't look up matching constraint here.
1949         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1950         to asm_operand_ok.
1951
1952 2009-02-02  Ben Elliston  <bje@au.ibm.com>
1953
1954         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1955         TARGET_NARROW_VOLATILE_BITFIELD macro names.
1956
1957 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1958
1959         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1960         information.  Remove some obsolete information.  Reorganize.
1961
1962         * config/pa/fptr.c: Revert license to GPL 2.
1963         * config/pa/milli64.S: Likewise.
1964
1965 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
1966
1967         PR target/38904
1968         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
1969         LIBRARY name in, instead of hard-coding it.
1970         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
1971         extra target make frag to tmake_files according to EH model.
1972         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
1973         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
1974         frags that define makefile variable EH_MODEL appropriately.
1975         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
1976         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
1977         to "-sjlj" according to type of EH configured.
1978         (LIBGCC_SONAME):  Concatenate it to shared library base name.
1979         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
1980         to "_sjlj" according to type of EH configured.
1981         (LIBGCC_SONAME):  Concatenate it to shared library base name.
1982         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
1983         (SHLIB_LINK):  Add missing semicolon to if-else construct.
1984         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
1985         string value of "pe_dll" command-line option.
1986         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
1987         (SHLIB_SONAME):  Use it when overriding t-cygming default.
1988         (SHLIB_IMPLIB):  Override t-cygming default.
1989         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
1990         string value of "pe_dll" command-line option.
1991
1992 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
1993
1994         PR target/38952
1995         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1996         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1997
1998 2009-01-31  Richard Guenther  <rguenther@suse.de>
1999
2000         PR tree-optimization/38937
2001         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
2002         computing the transitive closure.
2003
2004 2009-01-30  Richard Guenther  <rguenther@suse.de>
2005
2006         PR tree-optimization/39041
2007         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2008         Propagate variable indices only if the types match for this stmt.
2009
2010 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
2011
2012         PR target/39013
2013         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
2014         inline but never defined.
2015
2016 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
2017
2018         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
2019         (*insv_h_di_reg_extimm): New insn.
2020         (*insv_l<mode>_reg_extimm): New insn.
2021
2022 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
2023
2024         * config/picochip/picochip.c (flag_conserve_stack): set
2025         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
2026         fconserve-stack. Reduce call-overhead used by inliner.
2027
2028 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
2029
2030         PR/38157
2031         * common.opt (flag_conserve_stack): Initialised to zero.
2032
2033 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
2034
2035         PR/39002
2036         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
2037         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
2038         method.
2039
2040 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
2041
2042         * ira-color.c (allocno_reload_assign): Update comments.
2043         * regmove.c (regmove_optimize): Likewise.
2044
2045         * ra.h: Removed.
2046
2047 2009-01-29  Robert Millan  <rmh@aybabtu.com>
2048
2049         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
2050         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
2051         `MD_UNWIND_SUPPORT'.
2052         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
2053
2054 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
2055
2056         PR tree-optimization/39007
2057         * tree-loop-distribution.c (generate_builtin): Use
2058         recompute_dominator to compute the immediate dominator of the
2059         basic block just after the loop.
2060
2061 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2062
2063         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
2064         (ASM_OUTPUT_DWARF_PCREL): Define.
2065
2066 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
2067
2068         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
2069         * doc/passes.texi: Remove entries about regclass, local-alloc, and
2070         global.  Modify entries about regmove and IRA.
2071
2072         * ra-conflict.c: Remove the file.
2073
2074         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
2075
2076         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
2077         (pass_regclass_init): Rename to pass_reginfo_init.
2078
2079         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
2080
2081         * toplev.h (flag_ira): Remove.
2082
2083         * caller-save.c (setup_save_areas): Remove flag_ira.
2084
2085         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
2086
2087         * global.c: Remove the file.
2088
2089         * opts.c: (decode_options): Remove flag_ira.
2090
2091         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
2092
2093         * regmove.c: Modify file description.
2094         (find_use_as_address, try_auto_increment): Define them only if
2095         AUTO_INC_DEC is defined.
2096         (replacement_quality, replace_in_call_usage, fixup_match_1,
2097         stable_and_no_regs_but_for_p): Remove.
2098         (reg_set_in_bb): Make it static.
2099         (regmove_optimize): Remove flag_ira and code which worked for
2100         !flag_ira.
2101
2102         * local-alloc.c: Remove the file.
2103
2104         * common.opt (fira): Remove.
2105
2106         * ira.c: Include except.h.
2107         (eliminable_regset): Move from global.c.
2108         (mark_elimination): Ditto.  Remove flag_ira.
2109         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
2110         equiv_mem_modified, validate_equiv_mem_from_store,
2111         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
2112         contains_replace_regs, memref_referenced_p, memref_used_between_p,
2113         no_equiv, recorded_label_ref): Move from local-alloc.c.
2114         (update_equiv_regs): Ditto.  Make it static.
2115         (print_insn_chain, print_insn_chains): Move it from global.c.
2116         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
2117         (build_insn_chain): Ditto.  Make it static.
2118         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
2119         Rename to init_live_subregs.
2120         (gate_ira): Remove flag_ira.
2121
2122         * regclass.c: Rename reginfo.c.  Change file description.
2123         (FORBIDDEN_INC_DEC_CLASSES): Remove.
2124         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
2125         (init_reg_sets_1): Remove code for evaluation of
2126         reg_class_superclasses and losing_caller_save_reg_set.
2127         (init_regs): Remove init_reg_autoinc.
2128         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
2129         ok_for_base_p_nonstrict): Remove.
2130         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
2131         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
2132         corresponding entries.
2133         (dump_regclass, record_operand_costs, scan_one_insn,
2134         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
2135         record_address_regs, auto_inc_dec_reg_p): Remove.
2136         (gt-regclass.h): Rename to gt-reginfo.h.
2137
2138         * rtl.h (dump_global_regs, retry_global_alloc,
2139         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
2140
2141         * Makefile.in (RA_H): Remove.
2142         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
2143         Rename regclass.o to reginfo.o.
2144         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
2145         gt-reginfo.h.
2146         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
2147         (GTFILES): Rename regclass.c to reginfo.c.
2148
2149         * passes.c (init_optimization_passes): Remove pass_local_alloc and
2150         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
2151
2152         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2153         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
2154         Remove flag_ira.
2155         (finish_spills): Ditto.  Remove code for !flag_ira.
2156         
2157 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
2158
2159         PR middle-end/35854
2160         * doc/invoke.texi (rtl debug options): Complete rewrite.
2161         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
2162         to auto_inc_dec".
2163         * mode-switching.c (pass_mode_switching): Rename pass from
2164         "mode-sw" to "mode_sw".
2165         * except.c (pass_convert_to_eh_ranges): Rename pass from
2166         "eh-ranges" to "eh_ranges".
2167         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
2168         to "subreg1".
2169                 
2170         
2171 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
2172             Alexander Monakov  <amonakov@ispras.ru>
2173
2174         PR middle-end/38857
2175         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
2176         register.
2177         (move_exprs_to_boundary): Change return type and pass through
2178         should_move from move_op.  Relax assert.  Update usage ...
2179         (schedule_expr_on_boundary): ... here.  Use should_move instead of
2180         cant_move.
2181         (move_op_orig_expr_found): Indicate that insn was disconnected from
2182         stream.
2183         (code_motion_process_successors): Do not call after_merge_succs
2184         callback if original expression was not found when traversing any of
2185         the branches.
2186         (code_motion_path_driver): Change return type.  Update prototype.
2187         (move_op): Update comment.  Add a new parameter (should_move).  Update
2188         prototype.  Set *should_move based on indication provided by
2189         move_op_orig_expr_found.
2190
2191 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
2192
2193         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
2194         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
2195         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
2196         * config/rs6000/rs6000.c (rs6000_override_options): Default
2197         avoid-indexed-addresses on for Power6, off for everything else.
2198         (avoiding_indexed_address_p): New function.
2199         (rs6000_legitimize_address): Use it.
2200         (rs6000_legitimate_address): Likewise.
2201         * config/rs6000/rs6000.md (movXX_updateX): Likewise
2202
2203 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
2204
2205         PR tree-optimization/38997
2206         * tree-loop-distribution.c (generate_memset_zero): Use
2207         POINTER_PLUS_EXPR for a pointer addition.
2208
2209 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
2210
2211         * config/s390/s390.md (bswap<mode>2): New pattern added.
2212
2213 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
2214
2215         * config/s390/s390.md (*tls_load_31): Added type attribute.
2216
2217 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
2218
2219         * config/s390/s390.md: Fix a few comments.
2220
2221 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
2222
2223         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
2224         (*tm<mode>_full): Fixed z10prop attribute.
2225         (*tst<mode>_extimm): Fixed z10prop attribute.
2226         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
2227         (*tstqiCCT_cconly): Fixed z10prop attribute.
2228         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
2229         (*movsi_larl): Fixed z10prop attribute.
2230         (*movsi_zarch): Fixed z10prop attribute.
2231         (*movsi_eas): Fixed z10prop attribute.
2232         (*movhi): Fixed z10prop attribute.
2233         (*movqi): Fixed z10prop attribute.
2234         (*movstrictqi): Fixed z10prop attribute.
2235         (*mov<mode>): Fixed z10prop attribute.
2236         (*movcc): Fixed z10prop attribute.
2237         (*sethighpartdi_64): Fixed z10prop attribute.
2238         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
2239         (*negdi2_sign_cc): Fixed z10prop attribute.
2240         (*negdi2_sign): Fixed z10prop attribute.
2241         (*absdi2_sign_cc): Fixed z10prop attribute.
2242         (*absdi2_sign): Fixed z10prop attribute.
2243         (*negabsdi2_sign_cc): Fixed z10prop attribute.
2244         (*negabsdi2_sign): Fixed z10prop attribute.
2245         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
2246         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
2247         (doloop_si64): Fixed z10prop attribute.
2248         (doloop_si31): Fixed z10prop attribute.
2249         (doloop_long): Fixed z10prop attribute.
2250         (indirect_jump): Fixed z10prop attribute.
2251         (nop): Fixed z10prop attribute.
2252         (main_base_64): Fixed z10prop attribute.
2253         (reload_base_64): Fixed z10prop attribute.
2254
2255 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
2256
2257         PR rtl-optimization/38740
2258         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
2259         if !optimize.
2260         * config/mips/mips.c (mips_reorg): Likewise.
2261
2262 2009-01-28  Richard Guenther  <rguenther@suse.de>
2263
2264         PR tree-optimization/38926
2265         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
2266         with the correct value id to a value.
2267         (do_regular_insertion): Use the value number of edoubleprime
2268         for the value number of the expr.
2269
2270         Revert
2271         2008-08-21  Richard Guenther  <rguenther@suse.de>
2272
2273         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
2274         a PHI ask VN if it is already available.
2275         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
2276         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
2277
2278 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
2279
2280         PR middle-end/38934
2281         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
2282         set to varying whenever max has TREE_OVERFLOW set, similarly
2283         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
2284
2285 2009-01-28  Richard Guenther  <rguenther@suse.de>
2286
2287         PR middle-end/38908
2288         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
2289         uninitialized aggregate uses in call arguments.
2290
2291 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
2292
2293         PR tree-optimization/38984
2294         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
2295         the nothing_id variable if -fno-delete-null-pointer-checks.
2296
2297 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
2298
2299         PR target/38988
2300         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
2301         (set_got_offset_rex64): Ditto.
2302
2303 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2304
2305         PR target/38941
2306         * doc/extend.texi: Improve local variable with asm reg.
2307
2308 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
2309
2310         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
2311         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
2312         was not supplied then set warn_packed_bitfield_compat to the
2313         default value of 1.
2314         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
2315         against 1.
2316
2317 2009-01-27  Richard Guenther  <rguenther@suse.de>
2318
2319         PR tree-optimization/38503
2320         * cfgexpand.c (expand_gimple_basic_block): Ignore
2321         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
2322         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
2323         variables that cannot have TBAA applied.
2324         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
2325         statements.
2326
2327 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
2328
2329         PR middle-end/38969
2330         * calls.c (initialize_argument_information): Do not wrap complex
2331         arguments in SAVE_EXPR.
2332
2333 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
2334
2335         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
2336         (INSTALL_LIBGCC): Revert typo commit.
2337
2338 2009-01-26  Richard Guenther  <rguenther@suse.de>
2339
2340         PR tree-optimization/38745
2341         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
2342         from special handling.
2343
2344 2009-01-26  Richard Guenther  <rguenther@suse.de>
2345
2346         PR tree-optimization/38745
2347         * tree-ssa.c (execute_update_addresses_taken): Do not include
2348         variables that cannot possibly be a register in not_reg_needs.
2349         Do not clear TREE_ADDRESSABLE on vars that may not become
2350         registers.
2351         * tree-ssa.c (update_alias_info_1): Include those in the set
2352         of addressable vars.
2353
2354 2009-01-26  Richard Guenther  <rguenther@suse.de>
2355
2356         PR middle-end/38851
2357         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
2358         * tree-ssa-dse.c: Include langhooks.h
2359         (execute_simple_dse): Remove stores with zero size.
2360
2361 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
2362
2363         PR c/38957
2364         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
2365         as PLUS_EXPR.
2366
2367 2009-01-24  Julian Brown  <julian@codesourcery.com>
2368
2369         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
2370         config/arm/linux-atomic.c.
2371         * config/arm/linux-atomic.c: New.
2372
2373 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
2374
2375         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
2376         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
2377         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
2378
2379 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2380
2381         PR c/38938
2382         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
2383         properly.
2384
2385 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
2386
2387         PR tree-optimization/38953
2388         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2389         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
2390         (gloog): Split the exit of the scop when the scop exit is a loop exit.
2391         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2392         changed the CFG.
2393
2394 2009-01-24  Paul Brook  <paul@codesourcery.com>
2395
2396         * config/arm/neon.md (neon_type): Move to arm.md.
2397         (neon_mov<VSTRUCT>): Add neon_type attribute.
2398         * config/arm/arm.md (neon_type): Move to here.
2399         (conds): Add "unconditioal" and use as default for NEON insns.
2400
2401 2009-01-24  Ben Elliston  <bje@au.ibm.com>
2402
2403         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
2404         void *' warning from -Wc++-compat.
2405         * Makefile.in (dominance.o-warn): Remove.
2406
2407 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
2408
2409         PR tree-optimization/38932
2410         * fold-const.c (fold_unary_ignore_overflow): New.
2411         * tree.h (fold_unary_ignore_overflow): Declare.
2412         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
2413         * tree-ssa-sccvn.c (visit_reference_op_load,
2414         simplify_unary_expression): Likewise.
2415
2416 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
2417
2418         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2419         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
2420         regardless of their type.
2421         * c-common.c (handle_packed_attribute): Don't ignore packed on
2422         bitfields.
2423         * c.opt (Wpacked-bitfield-compat): New warning option.
2424         * stor-layout.c (place_field): Warn if offset of a field changed.
2425         * doc/extend.texi (packed): Mention the ABI change.
2426         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2427         (Warning Options): Add it to the list.
2428
2429 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2430
2431         * c-opts.c (c_common_post_options): Fix a typo in comments.
2432
2433 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
2434
2435         PR middle-end/38615
2436         * gimplify.c (gimplify_init_constructor): Fix promotion of const
2437         variables to static.
2438         * doc/invoke.texi (-fmerge-all-constants): Update description.
2439
2440 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
2441
2442         PR target/38931
2443         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2444         (*movdi_1_rex64): Use type "mmx" for alternative 5.
2445
2446 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
2447
2448         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2449         a word boundary.
2450         (LOCAL_ALIGNMENT): Similarly.
2451
2452 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
2453             Joseph Myers  <joseph@codesourcery.com>
2454
2455         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2456         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2457         * config/arm/arm-tune.md: Regenerate.
2458         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2459         -march=iwmmxt2.
2460
2461 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
2462
2463         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2464         version number to five.
2465
2466 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
2467
2468         PR c++/38930
2469         * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2470         * c-common.c (set_underlying_type): Likewise.
2471         (is_typedef_decl ): Likewise
2472         * tree.h: Likewise
2473         (set_underlying_type): Likewise.
2474         (is_typedef_type): Likewise.
2475
2476 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
2477
2478         PR middle-end/38587
2479         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2480         crossing setjmps.
2481
2482 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
2483
2484         PR bootstrap/37660
2485         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
2486         (LIBGCC_SPEC):  Don't define.
2487         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
2488
2489 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
2490
2491         PR rtl-optimization/38879
2492         * alias.c (base_alias_check): Unaligned access via AND address can
2493         alias all surrounding object types except those with sizes equal
2494         or wider than the size of unaligned access.
2495
2496 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
2497
2498         PR c++/26693
2499         * c-decl.c: (clone_underlying_type): Move this ...
2500         * c-common.c (set_underlying_type): ... here.
2501         Also, make sure the function properly sets TYPE_STUB_DECL() on
2502         the newly created typedef variant type.
2503         (is_typedef_decl ): New entry point.
2504         * tree.h: Added a new member member_types_needing_access_check to
2505         struct tree_decl_non_common.
2506         (set_underlying_type): New entry point.
2507         (is_typedef_type): Likewise.
2508
2509 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
2510
2511         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2512         Check whether two instructions have memory references that
2513         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
2514         are helper functions for traversing.
2515         * alias.h (insn_alias_sets_confilict_p): New prototypes.
2516         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2517         not to draw dependency edge for instructions with non-conflicting
2518         alias sets.
2519
2520 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
2521
2522         PR other/38758
2523         * longlong.h: Update copyright years.  Use soft-fp license notice.
2524         Sync __clz_tab declaration with glibc.
2525
2526 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
2527
2528         PR target/30687
2529         * doc/extend.texi (syscall_linkage): New.
2530         (version_id): Modify.
2531
2532 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2533             Richard Guenther  <rguenther@suse.de>
2534
2535         PR tree-optimization/38747
2536         PR tree-optimization/38748
2537         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2538         conversion if the base address is an indirect reference and the
2539         aliasing sets could cause issues.
2540
2541 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2542
2543         * common.opt (fgraphite, fgraphite-identity): Add comment for 
2544         explaining why these options are not documented.
2545
2546 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2547
2548         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2549         gimple_call_lhs is NULL.
2550
2551 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
2552
2553         PR target/38868
2554         * emit-rtl.c (adjust_address_1): Make sure memref is never
2555         overwritten.
2556
2557 2009-01-20  Ben Elliston  <bje@au.ibm.com>
2558
2559         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2560         const qualifier from arg parameter. Remove unnecessary cast to char *.
2561         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2562         const qualifier from arg 2.
2563
2564 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
2565
2566         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2567
2568 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2569
2570         PR c/38869
2571         * rtl.h (reinit_regs): New prototype.
2572         * regclass.c: Include ira.h.
2573         (reinit_regs): New.
2574         * Makefile.in (regclass.o): Add ira.h.
2575         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2576
2577 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
2578
2579         PR target/38736
2580         * c-common.c (handle_aligned_attribute): Use
2581         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2582         default alignment value.
2583
2584         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2585
2586         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2587         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2588
2589         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
2590         __BIGGEST_ALIGNMENT__.
2591
2592         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2593
2594 2009-01-18  Richard Guenther  <rguenther@suse.de>
2595
2596         PR tree-optimization/38819
2597         * tree-flow.h (operation_could_trap_helper_p): Declare.
2598         * tree-eh.c (operation_could_trap_helper_p): Export.
2599         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2600         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2601         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2602         are about to insert a possibly trapping instruction and fail
2603         in this case.
2604
2605 2009-01-18  Andreas Schwab  <schwab@suse.de>
2606
2607         * doc/install.texi (Configuration): Remove obsolete paragraph
2608         about use of --with-gnu-ld with --with-gnu-as.
2609
2610 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
2611
2612         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2613         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2614         Follow spelling conventions.
2615
2616 2009-01-18  Ben Elliston  <bje@au.ibm.com>
2617
2618         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2619         C++ warning about implicit conversion from void * to struct
2620         bitmap_head_def *.
2621         (bitmap_obstack_free): Likewise for bitmap_element *.
2622         * Makefile.in (bitmap.o-warn): Remove.
2623
2624 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
2625
2626         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
2627
2628 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
2629             Tobias Grosser  <tobi.grosser@amd.com>
2630
2631         * graphite.c (graphite_trans_scop_block): Do not block single
2632         nested loops.
2633
2634 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
2635
2636         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2637         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2638         test with assertion.
2639
2640 2009-01-16  Richard Guenther  <rguenther@suse.de>
2641
2642         PR tree-optimization/38835
2643         PR middle-end/36227
2644         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2645         and INT + PTR -> (INT)(PTR p+ INT) folding.
2646         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2647
2648 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
2649
2650         PR target/38554
2651         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2652         the subreg from a lowpart subreg if it is also casting the value.
2653
2654 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2655             Tobias Grosser  <tobi.grosser@amd.com>
2656
2657         * graphite.c (compare_prefix_loops): New.
2658         (build_scop_canonical_schedules): Rewritten.
2659         (graphite_transform_loops): Move build_scop_canonical_schedules
2660         after build_scop_iteration_domain.
2661
2662 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2663             Tobias Grosser  <tobi.grosser@amd.com>
2664
2665         * graphite.c (add_conditions_to_domain): Add the loops to 
2666         the dimension of the iteration domain.  Do copy the domain
2667         only when it exists.
2668         (build_scop_conditions_1): Do not call add_conditions_to_domain.
2669         (add_conditions_to_constraints): New.
2670         (can_generate_code_stmt, can_generate_code): Removed.
2671         (gloog): Do not call can_generate_code.
2672         (graphite_transform_loops): Call add_conditions_to_constraints
2673         after building the iteration domain.
2674
2675 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
2676
2677         PR tree-optimization/38789
2678         * tree-ssa-threadedge.c
2679         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2680         __builtin_constant_p.
2681
2682 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
2683
2684         * dce.c (delete_unmarked_insns): Reversed the order that insns are
2685         examined before deleting them.
2686         
2687 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
2688
2689         * function.c (aggregate_value_p): Correctly extract the function
2690         type from CALL_EXPR_FN lookup.
2691
2692 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
2693
2694         * config/picochip/picochip.c (picochip_override_options): Revert
2695         CFI asm flag disable commited previously.
2696
2697 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2698             Tobias Grosser  <tobi.grosser@amd.com>
2699             Jan Sjodin  <jan.sjodin@amd.com>
2700
2701         * graphite.c (scan_tree_for_params): On substractions negate
2702         all the coefficients of the term.
2703         (clast_to_gcc_expression_red): New.  Handle reduction expressions
2704         of more than two operands.
2705         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2706         (get_vdef_before_scop): Handle also the case of default definitions.
2707
2708 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
2709
2710         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2711         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2712         Also use them when walking CALL_INSN_FUNCTION_USAGE.
2713
2714 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
2715             Joey Ye  <joey.ye@intel.com>
2716
2717         PR middle-end/37843
2718         * cfgexpand.c (expand_stack_alignment): Don't update stack
2719         boundary nor check incoming stack boundary here.
2720         (gimple_expand_cfg): Update stack boundary and check incoming
2721         stack boundary here.
2722
2723 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
2724
2725         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2726         
2727 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
2728
2729         PR rtl-optimization/38245
2730         * calls.c (expand_call): Add stack arguments to
2731         CALL_INSN_FUNCTION_USAGE even for pure calls (when
2732         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2733         in regs and partially in memory or BLKmode arguments.
2734         (emit_library_call_value_1): Add stack arguments to
2735         CALL_INSN_FUNCTION_USAGE even for pure calls (when
2736         ACCUMULATE_OUTGOING_ARGS).
2737         * dce.c: Include tm_p.h.
2738         (find_call_stack_args): New function.
2739         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
2740         argument.
2741         (mark_insn): Call find_call_stack_args for CALL_Ps.
2742         (prescan_insns_for_dce): Walk insns backwards in bb rather than
2743         forwards.  Allocate and free arg_stores bitmap if needed, pass it
2744         down to deletable_insn_p, don't mark stores set in arg_stores
2745         bitmap, clear the bitmap at the beginning of each bb.
2746         * Makefile.in (dce.o): Depend on $(TM_P_H).
2747
2748 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
2749
2750         PR target/22599
2751         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2752         to make sure the insn is a conditional test (bug 22599).  Reformat a
2753         few long lines.
2754
2755 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2756
2757         PR middle-end/38431
2758         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2759         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2760         (gloog): Do not call cleanup_tree_cfg.
2761         (graphite_transform_loops): Call cleanup_tree_cfg after all 
2762         scops have been code generated.
2763
2764 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
2765         * doc/gty.texi (Invoking the garbage collector): Added new node
2766         and section documenting ggc_collect.
2767
2768 2009-01-14  Richard Guenther  <rguenther@suse.de>
2769
2770         PR tree-optimization/38826
2771         PR middle-end/38477
2772         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2773         initialization notes only if we actually emitted a warning.
2774         (intra_create_variable_infos): Add constraints for a result decl
2775         that is passed by hidden reference.
2776         (build_pred_graph): Mark all related variables non-direct on
2777         address-taking.
2778
2779 2009-01-14  Nick Clifton  <nickc@redhat.com>
2780
2781         * ira-conflicts.c: Include addresses.h for the definition of
2782         base_reg_class.
2783         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2784         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2785
2786 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
2787
2788         PR target/38811
2789         * Makefile.in (ira-lives.o): Add except.h.
2790
2791         * ira-lives.c: Include except.h.
2792         (process_bb_node_lives): Process can_throw_internal.
2793
2794 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
2795
2796         PR rtl-optimization/38774
2797         * combine.c (simplify_set): When undoing cc_use change, don't do
2798         PUT_CODE on the newly created comparison, but instead put back the
2799         old comparison.
2800
2801 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
2802
2803         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2804         values.  Remove duplicate arm8 entry.
2805
2806 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2807
2808         PR tree-optimization/38786
2809         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2810         the SSA_NAME case of expand_scalar_variables_expr.
2811         Set the type of an expression to the type of its assign statement.
2812         (expand_scalar_variables_expr): Also gather the scalar computation
2813         used to index the memory access.  Do not pass loop_p.
2814         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
2815         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2816         the gimple_stmt_iterator where it inserts new code.
2817         Do not pass loop_p.
2818         (copy_bb_and_scalar_dependences): Do not pass loop_p.
2819         (translate_clast): Update call to copy_bb_and_scalar_dependences.
2820
2821 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2822
2823         * graphite.h (debug_value): Removed.
2824         * graphite.c (debug_value): Removed.
2825
2826 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
2827
2828         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2829         ldrd/strd with two 32-bit instructions.
2830
2831 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
2832
2833         * config/arm/arm.c (struct processors): Pass for speed down into
2834         cost helper functions.
2835         (const_ok_for_op): Handle COMPARE and inequality nodes.
2836         (arm_rtx_costs_1): Rewrite.
2837         (arm_size_rtx_costs): Update prototype.
2838         (arm_rtx_costs): Pass speed down to helper functions.
2839         (arm_slowmul_rtx_costs): Rework cost calculations.
2840         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2841         (arm_9e_rtx_costs): Likewise.
2842
2843 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
2844
2845         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2846         relocations of local symbols wider than UNITS_PER_WORD are not valid.
2847         (alpha_legitimize_address): Do not split local symbols wider than
2848         UNITS_PER_WORD into HIGH/LO_SUM parts.
2849
2850 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
2851
2852         PR bootstrap/38580
2853         * gcc.c (process_command): Replace call to execvp with calls
2854         to pex_one and exit.
2855
2856 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
2857
2858         PR target/29141
2859         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2860         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2861         variant for devices with 3-byte PC.
2862         (__tablejump_elpm__) : New.
2863
2864 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
2865
2866         PR c/32041
2867         * c-parser.c (c_parser_postfix_expression): Allow `->' in
2868         offsetof member-designator, handle it as `[0].'.
2869
2870 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2871
2872         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2873         function when not using named sections on targets with named sections
2874         if branch distance is less than 262132.
2875
2876 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
2877
2878         * combine.c (combine_instructions):  Recompute
2879         optimize_this_for_speed_p  for each BB in the main combine loop.
2880
2881 2009-01-12  Tomas Bily  <tbily@suse.cz>
2882
2883         PR middlend/38385
2884         * tree-loop-distribution.c (prop_phis): New function.
2885         (generate_builtin): Call prop_phis.
2886         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2887
2888 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
2889
2890         PR tree-optimization/38807
2891         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2892         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2893
2894 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
2895
2896         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2897         subreg of op0 to the original op0.
2898
2899 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
2900
2901         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2902         
2903 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
2904
2905         PR debug/7055
2906         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2907         starting with digits.
2908
2909 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
2910
2911         PR target/38695
2912         * config/arm/arm.c (arm_is_long_call_p): Don't call
2913         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2914
2915 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
2916
2917         * regrename.c (regrename_optimize): Fix dumping.
2918         (find_oldest_value_reg): Preserve REG_POINTER.
2919         (copy_hardreg_forward_1): Likewise.
2920
2921 2009-01-09  Diego Novillo  <dnovillo@google.com>
2922
2923         * gimple.h (struct gimple_statement_base) <uid>: Document
2924         the restrictions on its use.
2925         (gimple_uid): Tidy.
2926         (gimple_set_uid): Tidy.
2927
2928 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2929
2930         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2931         zero guard even if align_bytes != 0 and count is smaller than
2932         size_needed.
2933
2934 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
2935
2936         PR rtl-optimization/38495
2937         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2938         (add_range_and_copies_from_move_list): Print all added ranges.
2939         Add ranges to memory optimized destination.
2940
2941 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2942
2943         PR target/38686
2944         PR target/38708
2945         * config/i386/i386.c (override_options): Reject
2946         -mstringop-strategy=rep_8byte with -m32.
2947         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2948         to 1.  Do count comparison against epilogue_size_needed at compile
2949         time even when count_exp was constant forced into register.  For
2950         size_needed don't jump to epilogue, instead just avoid aligning
2951         and invoke the body algorithm.  If need_zero_guard, add zero guard
2952         even if count is non-zero, but smaller than size_needed + number of
2953         bytes that could be stored for alignment.
2954         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2955         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
2956         but smaller than size_needed + number of bytes that could be stored
2957         for alignment.  Compare size_needed with epilogue_size_needed instead
2958         of desired_align - align, don't adjust size_needed, pass
2959         epilogue_size_needed to the epilogue expanders.
2960
2961         PR c/35742
2962         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2963
2964 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2965
2966         * pa.c (last_address): Change to unsigned.
2967         (update_total_code_bytes): Change argument to unsigned.  Don't
2968         check if insn addresses are set.
2969         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2970         addresses are not set.
2971         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2972
2973 2009-01-09  Nick Clifton  <nickc@redhat.com>
2974
2975         * config/sh/symbian.c: Replace uses of DECL_INLINE with
2976         DECL_DECLARED_INLINE_P.
2977
2978 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2979
2980         PR middle-end/38347
2981         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2982         GET_MODE (op0) in operand_subword_force calls.
2983
2984         PR middle-end/38771
2985         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2986         fold_convert arg0 operands to TREE_TYPE (op0) first.
2987
2988 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
2989
2990         * params.def (ira-max-conflict-table-size): Decrease default value
2991         to 1000.
2992
2993 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
2994
2995         PR tree-optimization/37031
2996         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2997         on parameter_set.
2998         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2999         allocate it using gc instead of heap, use VEC_quick_push instead of
3000         VEC_safe_push.
3001         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
3002         instead of heap, use VEC_quick_push instead of VEC_safe_push.
3003         * tree-data-ref.h (struct access_matrix): Change matrix to gc
3004         allocated vector from heap allocated.
3005         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
3006         * tree-loop-linear.c (linear_transform_loops): Allocate nest
3007         vector only after perfect_loop_nest_depth call.
3008
3009 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3010             Jan Sjodin  <jan.sjodin@amd.com>
3011
3012         PR tree-optimization/38559
3013         * graphite.c (debug_value, copy_constraint,
3014         swap_constraint_variables, scale_constraint_variable, ): New.
3015         (get_lower_bound, get_upper_bound): Removed.
3016         (graphite_trans_bb_strip_mine): Clean up this code that works
3017         only for constant number of iterations.  Fully copy upper and
3018         lower bound constraints, not only the constant part of them.
3019         * graphite.h (debug_value): Declared.
3020
3021 2009-01-08  Ira Rosen  <irar@il.ibm.com>
3022
3023         PR tree-optimization/37194
3024         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
3025         Don't add the cost of cost model guard in prologue to scalar 
3026         outside cost in case of known number of iterations.
3027
3028 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
3029             Alan Modra  <amodra@bigpond.net.au>
3030
3031         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
3032         non-word-aligned REG+CONST addressing.
3033
3034 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
3035
3036         PR target/38706
3037         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
3038         free_after_compilation when outputting a thunk.
3039         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
3040         Do not call free_after_compilation here.
3041
3042 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
3043
3044         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
3045         (ix86_valid_target_attribute_inner_p): Ditto.
3046
3047 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
3048
3049         PR tree-optimization/38492
3050         PR tree-optimization/38498
3051         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3052         * tree-chrec.h (scev_is_linear_expression): Declared.
3053         * graphite.c (graphite_cannot_represent_loop_niter): New.
3054         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3055         (graphite_loop_normal_form): Use gcc_assert.
3056         (scan_tree_for_params): Use CASE_CONVERT.
3057         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3058         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3059         Use gcc_assert.  Discard scops that contain unhandled cases.
3060         (build_scop_conditions): Return a boolean status for unhandled cases.
3061         (strip_mine_profitable_p): Print the loop number, not its depth.
3062         (is_interchange_valid): Pass the depth of the loop nest, don't
3063         recompute it wrongly.
3064         (graphite_trans_bb_block): Same.
3065         (graphite_trans_bb_block): Print tentative of loop blocking.
3066         (graphite_trans_scop_block): Do not print that the loop has been
3067         blocked.
3068         (graphite_transform_loops): Do not handle scops that contain condition
3069         scalar phi nodes.
3070
3071 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
3072
3073         AVX Programming Reference (December, 2008)
3074         * config/i386/avxintrin.h (_mm256_stream_si256): New.
3075         (_mm256_stream_pd): Likewise.
3076         (_mm256_stream_ps): Likewise.
3077
3078         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
3079         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
3080         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
3081         (bdesc_special_args): Add __builtin_ia32_movntdq256,
3082         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
3083         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
3084         (ix86_expand_special_args_builtin): Likewise.
3085
3086         * config/i386/sse.md (AVXMODEDI): New.
3087         (avx_movnt<mode>): Likewise.
3088         (avx_movnt<mode>): Likewise.
3089         (<sse>_movnt<mode>): Remove AVX support.
3090         (sse2_movntv2di): Likewise.
3091
3092 2009-01-07  Richard Guenther  <rguenther@suse.de>
3093
3094         PR middle-end/38751
3095         * fold-const.c (extract_muldiv): Remove obsolete comment.
3096         (fold_plusminus_mult_expr): Undo MINUS_EXPR
3097         to PLUS_EXPR canonicalization for the canonicalization.
3098
3099 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
3100
3101         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
3102         hosted cross-compilers generating less efficient code.
3103
3104 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
3105
3106         * function.h (rtl_data): Add a dbr_scheduled_p field.
3107         * reorg.c (dbr_schedule): Set it.
3108         (gate_handle_delay_slots): Check it.
3109         * config/mips/mips.c (mips_base_delayed_branch): Delete.
3110         (mips_reorg): Check flag_delayed_branch instead of
3111         mips_base_delayed_branch.
3112         (mips_override_options): Don't set mips_base_delayed_branch
3113         or flag_delayed_branch.
3114
3115 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
3116
3117         PR rtl-optimization/38426.
3118         * ira.c (ira): Set current_function_is_leaf earlier.
3119
3120 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
3121
3122         PR rtl-optimization/38722
3123         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
3124         too early, only set a flag and modify after last possible
3125         undo_all point.
3126
3127 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
3128
3129         PR c/34252
3130         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
3131         * real.c (decimal_single_format): Correct values of emin and emax.
3132         (decimal_double_format): Ditto.
3133         (decimal_quad_format): Ditto.
3134         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
3135         computation of DECnn_MIN and DECnn_MAX for corrected values of
3136         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
3137         __DECnn_MIN__, and adjust its computation for the corrected value
3138         of emin.
3139
3140 2009-01-06  Jan Hubicka  <jh@suse.cz>
3141
3142         PR target/38744
3143         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
3144
3145 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
3146
3147         * doc/contrib.texi (Contributors): Slightly adjust the end note.
3148         Add Robert Clark to the list of testers.
3149
3150 2009-01-06  Jan Hubicka  <jh@suse.cz>
3151             Kai Tietz  <kai.tietz@onevision.com>
3152
3153         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
3154         * config/i386/i386.c (ix86_expand_call): Add clobbers.
3155
3156 2009-01-06  Jan Hubicka  <jh@suse.cz>
3157             Kai Tietz  <kai.tietz@onevision.com>
3158
3159         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
3160         for w64 ABI.
3161         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
3162         (ix86_nsaved_regs): Count only general purpose regs.
3163         (ix86_nsaved_sseregs): New.
3164         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
3165         to 16 for w64; compute padding and size of sse reg save area.
3166         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
3167         general purpose regs.
3168         (ix86_emit_save_sse_regs_using_mov): New.
3169         (ix86_expand_prologue): Save SSE regs if needed.
3170         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
3171         (ix86_emit_restore_sse_regs_using_mov): New.
3172         (ix86_expand_epilogue): Save SSE regs if needed.
3173
3174 2009-01-06  Jan Hubicka  <jh@suse.cz>
3175             Kai Tietz  <kai.tietz@onevision.com>
3176
3177         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
3178         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
3179         functions when accumulate outgoing args is off.
3180
3181 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
3182
3183         PR bootstrap/38742
3184         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
3185         before using pseudos_have_intersected_live_ranges_p.
3186
3187         * ira-int.h (ira_assert): Always define.
3188
3189 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
3190
3191         AVX Programming Reference (December, 2008)
3192         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
3193         (_mm256_permute2_pd): Likewise.
3194         (_mm_permute2_ps): Likewise.
3195         (_mm256_permute2_ps): Likewise.
3196         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
3197         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
3198
3199         * config/i386/i386.c (ix86_builtins): Remove
3200         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
3201         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
3202         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
3203         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
3204         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
3205         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
3206         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
3207         __builtin_ia32_vpermil2ps256.
3208         (ix86_init_mmx_sse_builtins): Updated.
3209         (ix86_expand_args_builtin): Likewise.
3210
3211 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3212
3213         * pa.c (output_call): Relocate non-jump insns in the delay slot of
3214         long absolute calls when generating PA 2.0 code.
3215
3216 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
3217
3218         PR rtl-optimization/38583
3219         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
3220
3221         * params.def (ira-max-conflict-table-size): New.
3222
3223         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
3224         
3225         * ira.h (ira_conflicts_p): New external definition.
3226         
3227         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
3228         table.  Report this.  Return result of building.
3229         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
3230         building conflict table.
3231
3232         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
3233         (ira_color): Use ira_conflicts_p.
3234         
3235         * global.c: Include ira.h.
3236         (pseudo_for_reload_consideration_p, build_insn_chain): Use
3237         ira_conflicts_p.
3238
3239         * Makefile.in (global.o): Add ira.h.
3240         
3241         * ira-build.c (mark_all_loops_for_removal,
3242         propagate_some_info_from_allocno): New.
3243         (remove_unnecessary_allocnos): Call
3244         propagate_some_info_from_allocno.
3245         (remove_low_level_allocnos): New.
3246         (remove_unnecessary_regions): Add parameter.  Call
3247         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
3248         parameter to remove_unnecessary_regions.
3249         (ira_build): Remove all regions but root if the conflict table was
3250         not built.  Update conflict hard regs for allocnos crossing calls.
3251
3252         * ira.c (ira_conflicts_p): New global.
3253         (ira): Define and use ira_conflicts_p.
3254
3255         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3256         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
3257         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
3258         
3259 2009-01-06  Ben Elliston  <bje@au.ibm.com>
3260
3261         * gengtype-lex.l (YY_NO_INPUT): Define.
3262
3263 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3264
3265         PR c/34911
3266         * c-common.c (handle_vector_size_attribute): Also reject
3267         BOOLEAN_TYPE types.
3268
3269 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
3270
3271         PR tree-optimization/38492
3272         * graphite.c (rename_map_elt, debug_rename_elt,
3273         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3274         rename_map_elt_info, eq_rename_map_elts,
3275         get_new_name_from_old_name, bb_in_sese_p): Moved around.
3276         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3277         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3278         (sese_build_livein_liveouts): New.
3279         (new_sese, free_sese): New.
3280         (new_scop): Call new_sese.
3281         (free_scop): Call free_sese.
3282         (rename_variables_from_edge, rename_phis_end_scop): Removed.
3283         (register_old_new_names): Renamed register_old_and_new_names.
3284         (register_scop_liveout_renames, add_loop_exit_phis,
3285         insert_loop_close_phis, struct igp,
3286         default_liveout_before_guard, add_guard_exit_phis,
3287         insert_guard_phis, copy_renames): New.
3288         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3289         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3290         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3291         (scop_adjust_phis_for_liveouts): New.
3292         (gloog): Call scop_adjust_phis_for_liveouts.
3293
3294         * graphite.h (struct sese): Documented.  Added fields liveout,
3295         num_ver and livein.
3296         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3297         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3298         (struct scop): Added field liveout_renames.
3299         (SCOP_LIVEOUT_RENAMES): New.
3300
3301 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3302
3303         PR tree-optimization/38510
3304         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3305         (translate_clast): Call recompute_all_dominators before
3306         graphite_verify.
3307         (gloog): Call recompute_all_dominators before graphite_verify.
3308
3309 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3310             Jan Sjodin  <jan.sjodin@amd.com>
3311
3312         PR tree-optimization/38500
3313         * graphite.c (create_sese_edges): Call fix_loop_structure after
3314         splitting blocks.
3315
3316 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
3317
3318         * config.gcc: Add m32r*-*-rtems*.
3319         * config/m32r/rtems.h: New file.
3320
3321 2009-01-05  Ben Elliston  <bje@au.ibm.com>
3322
3323         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
3324         (.po.pox): Likewise.
3325         (po/gcc.pot): Likewise.
3326
3327 2009-01-04  David S. Miller  <davem@davemloft.net>
3328
3329         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
3330         (STARTING_FRAME_OFFSET): Always set to zero.
3331
3332 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
3333
3334         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
3335         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
3336         fixed-point types, and vectors of the same.
3337
3338 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
3339
3340         * config/mips/sync.md (*mb_barrier): Rename to...
3341         (*memory_barrier): ...this.
3342
3343 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
3344
3345         * doc/extend.texi (Function Attributes): Move @cindex after @item
3346         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
3347         and put in alphabetical order. Fix 'target' name and put in order.
3348         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
3349         typos.
3350
3351 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
3352
3353         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
3354         (memory_barrier): Expand as unspec instead of unspec_volatile.
3355         Remove mem:BLK from insn operands.  Use Pmode scratch register.
3356         (*memory_barrier): Define as unspec instead of unspec_volatile.
3357         Use (match_dup 0) as input operand.
3358
3359         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
3360         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
3361         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
3362         scratch register.  Remove operand 1.
3363         (*stbar): Define as unspec instead of unspec_volatile.
3364         Use (match_dup 0) as input operand, remove (const_int 8).
3365         (*membar): Define as unspec instead of unspec_volatile.
3366         Use (match_dup 0) as input operand, remove input operand 2.
3367
3368         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
3369         (memory_barrier): Expand as unspec instead of unspec_volatile.
3370         Remove mem:BLK from insn operands.  Use Pmode scratch register.
3371         (*memory_barrier): Define as unspec instead of unspec_volatile.
3372         Use (match_dup 0) as input operand.
3373
3374         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
3375         Remove mem:BLK from insn operands.  Use Pmode scratch register.
3376         Set volatile flag on operand 0.
3377         (*memory_barrier): New insn pattern.
3378
3379         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
3380         insn operands.
3381         (*memory_barrier): Use (match_dup 0) as input operand.
3382
3383         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
3384         Remove mem:BLK from insn operands.  Use Pmode scratch register.
3385         Set volatile flag on operand 0.
3386         (*mb_internal): New insn pattern.
3387
3388         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
3389
3390 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
3391
3392         PR middle-end/38586
3393         * function.c (struct temp_slot): Move to the section of the file
3394         that deals with temp slots.  Remove field 'address'.
3395         (temp_slot_address_table): New hash table of address -> temp slot.
3396         (struct temp_slot_address_entry): New struct, items for the table.
3397         (temp_slot_address_compute_hash, temp_slot_address_hash,
3398         temp_slot_address_eq, insert_temp_slot_address): Support functions
3399         for the new table.
3400         (find_temp_slot_from_address): Rewrite to use the new hash table.
3401         (remove_unused_temp_slot_addresses): Remove addresses of temp
3402         slots that have been made available.
3403         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
3404         worker function for remove_unused_temp_slot_addresses.
3405         (assign_stack_temp_for_type): Don't clear the temp slot address list.
3406         Add the temp slot address to the address -> temp slot map.
3407         (update_temp_slot_address): Update via insert_temp_slot_address.
3408         (free_temp_slots): Call remove_unused_temp_slot_addresses.
3409         (pop_temp_slots): Likewise.
3410         (init_temp_slots): Allocate the address -> temp slot map, or empty
3411         the map if it is already allocated.
3412         (prepare_function_start): Initialize temp slot processing.
3413
3414 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
3415
3416         PR middle-end/38584
3417         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
3418         Calculate the size of all stack vars assuming no packing of stack
3419         vars will happen, replacing a quadratic algorithm with a linear one.
3420
3421 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
3422
3423         PR target/38707
3424         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
3425         can't be used.
3426
3427 2009-01-03  Diego Novillo  <dnovillo@google.com>
3428
3429         * doc/contrib.texi: Update contributions.
3430
3431 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
3432
3433         PR c++/38705
3434         * builtins.c (fold_builtin_memory_op): Give up if either operand
3435         is volatile.  Set srctype or desttype to non-qualified version
3436         of the other type.
3437
3438         PR c/38700
3439         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3440         and FUNCTION_DECLs.
3441
3442 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
3443
3444         PR rtl-optimization/35805
3445         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3446         problem if fast dce is able to remove any instructions.
3447         * dce.c (dce_process_block): Fix dump message.
3448         
3449 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
3450
3451         PR 33649
3452         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3453
3454 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
3455
3456         PR middle-end/38690
3457         * tree-flow.h (op_code_prio, op_prio): New prototypes.
3458         * tree-pretty-print.c (op_code_prio): New function.
3459         (op_prio): No longer static.  Use op_code_prio.
3460         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3461         Use op_prio and op_code_prio to determine if () should be
3462         printed around operand(s) or not.
3463
3464         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3465         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3466         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3467         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3468         pp_character instead of pp_string for single letter printing.
3469
3470 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
3471
3472         * doc/extend.texi: Fix '#pragma GCC option' typo.
3473
3474 2009-01-02  Richard Guenther  <rguenther@suse.de>
3475
3476         * doc/install.texi (--enable-checking): Mention different
3477         default for stage1.
3478         (--enable-stage1-checking): Document.
3479
3480 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
3481
3482         PR middle-end/30142
3483         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
3484         case to be an error.
3485
3486 2009-01-02  Ben Elliston  <bje@au.ibm.com>
3487
3488         * config/fp-bit.h (pack_d): Constify argument.
3489         * config/fp-bit.c (makenan): Constify return type. Remove casts.
3490         (isnan): Constify argument.
3491         (isinf): Likewise.
3492         (iszero): Likewise.
3493         (pack_d): Likewise.
3494         (_fpadd_parts): Constify return type.
3495         (_fpmul_parts): Likewise.
3496         (_fpdiv_parts): Likewise.
3497
3498 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
3499
3500         PR c/36489
3501         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
3502         warn about overwriting initializer with side-effects or
3503         -Woverride-init if !IMPLICIT.
3504         (output_init_element): Likewise.  Pass IMPLICIT down to
3505         add_pending_init.
3506         (process_init_element): Add IMPLICIT argument.  Pass it down
3507         to output_init_element.
3508         (push_init_element, pop_init_level, set_designator): Adjust
3509         process_init_element callers.
3510         (set_nonincremental_init, set_nonincremental_init_from_string):
3511         Adjust add_pending_init callers.
3512         (output_pending_init_elements): Adjust output_init_element callers.