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Add dbg count support for ccp
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-03-28  Xinliang David Li  <davidxl@google.com>
2
3         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. 
4         (do_dbg_cnt): New function.
5
6 2009-03-28  Jan Hubicka  <jh@suse.cz>
7
8         Merge from pretty-ipa:
9
10         2009-03-27  Jan Hubicka  <jh@suse.cz>
11         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
12         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
13         * passes.c (function_called_by_processed_nodes_p): New.
14         * ipa-pure-const.c (check_call): Fix handling of operands.
15         (analyze_function): Dump debug output for skipped bodies.
16         (local_pure_const): Use function_called_by_processed_nodes_p.
17         * dwarf2out.c (reference_to_unused): Use output.
18         * passes.c (do_per_function_toporder): Likewise.
19
20         2008-11-12  Jan Hubicka  <jh@suse.cz>
21
22         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
23         * ipa-pure-const.c (funct_state_d): Add can throw field; make
24         state_set_in_source enum
25         (check_decl): Ignore memory tags; do not set fake looping flags;
26         dump diagnostics.
27         (check_operand, check_tree, check_rhs_var, check_lhs_var,
28         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
29         (check_call, analyze_function): Rewrite.
30         (check_stmt): New.
31         (add_new_function): Update call of analyze_function.
32         (generate_summary): Add call of analyze_function.
33         (propagate): Propagate can_throw; handle state_set_in_source correctly.
34         (local_pure_const): New function.
35         (pass_local_pure_const): New pass.
36         * ipa-inline.c (inline_transform): Set after_inlining.
37         * tree-eh.c (stmt_can_throw_external): New.
38         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
39         work with aliasing built.
40         * tree-flow.h (stmt_can_throw_external): New.
41         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
42         and local pure/const pass in early and late optimization queue.
43 2009-03-28  Martin Jambor  <mjambor@suse.cz>
44
45         * fold-const.c (get_pointer_modulus_and_residue): New parameter
46         allow_func_align.
47         (fold_binary): Allow function decl aligment consideration is the
48         second argument is integer constant one.
49         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
50         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
51         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
52
53 2009-03-28  Jan Hubicka  <jh@suse.cz>
54
55         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
56         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
57         * function.h (rtl_data): Add nothrow flag.
58         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
59         set DECL_NOTHROW for AVAILABLE functions.
60
61 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
62
63         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
64         following vector keyword has expansion starting with pixel or bool
65         keyword, expand vector to __vector and pixel or bool to __pixel or
66         __bool.
67
68         PR c++/39554
69         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
70         warn_if_disallowed_function_p): Removed.
71         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
72         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
73         warning_if_disallowed_function_p.
74         * flags.h (warn_if_disallowed_function_p,
75         warn_disallowed_functions): Removed.
76         * common.opt (Wdisallowed-function-list=): Removed.
77         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
78
79 2009-03-28  Richard Guenther  <rguenther@suse.de>
80
81         PR tree-optimization/38723
82         * tree-ssa-pre.c (compute_avail): Add all default definitions to
83         the entry block.
84
85 2009-03-28  Jan Hubicka  <jh@suse.cz>
86
87         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
88         test introduced by my previous patch.
89
90 2009-03-28  Richard Guenther  <rguenther@suse.de>
91
92         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
93         the PHIs value undefined.
94
95 2009-03-28  Jan Hubicka  <jh@suse.cz>
96
97         * tree-pass.h (pass_fixup_cfg): New pass.
98         * ipa-inline.c (inline_transform): Set
99         always_inline_functions_inlined/after_inlining.
100         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
101         (pass_fixup_cfg): New pass.
102         * passes.c (init_optimization_passes): Add fixup_cfg.
103
104 2009-03-28  Richard Guenther  <rguenther@suse.de>
105
106         PR tree-optimization/38458
107         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
108         argument use the arguments copy-of value.
109
110 2009-03-28  Richard Guenther  <rguenther@suse.de>
111
112         PR tree-optimization/38180
113         * tree-ssa-ccp.c (get_default_value): Simplify.
114         (likely_value): Likewise.
115         (surely_varying_stmt_p): Properly handle VOP case.
116         (ccp_initialize): Likewise.
117         (ccp_fold): Handle propagating through *&.
118         (fold_const_aggregate_ref): Also handle decls.
119
120 2009-03-28  Jan Hubicka  <jh@suse.cz>
121
122         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
123         * cgraph.h (cgraph_node): Likewise.
124         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
125         (cgraph_reset_node): Use process flag.
126         (cgraph_mark_functions_to_output): Likewise.
127         (cgraph_expand_function): Likewise.
128         (cgraph_expand_all_functions): Likewise.
129         (cgraph_output_in_order): Likewise.
130         * dwarf2out.c (reference_to_unused): Likewise.
131         * passes.c do_per_function_toporder): Likewise.
132
133 2009-03-28  Jan Hubicka  <jh@suse.cz>
134
135         Bring from lto-branch:
136         2008-09-03  Doug Kwan  <dougkwan@google.com>
137
138         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
139         enums instead of reason strings.
140         * cgraph.c (cgraph_create_edge): Same.
141         (cgraph_inline_failed_string): New function.
142         * cgraph.h (cgraph_inline_failed_t): New enum type.
143         (cgraph_inline_failed_string): New prototype.
144         (struct cgraph_edge): Change type of INLINED_FAILED from constant
145         char pointer to cgraph_inline_failed_t.
146         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
147         (cgraph_default_inline_p): Ditto.
148         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
149         to cgraph_inline_failed_t pointer.
150         * cif-code.def: New file.
151         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
152         reason string.
153         (cgraph_check_inline_limits): Change type of REASON to pointer to
154         cgraph_inline_failed_t.  Replace reason strings with enums.
155         (cgraph_default_inline_p): Ditto.
156         (cgraph_recursive_inlining_p): Ditto.
157         (update_caller_keys): Change type of FAILED_REASON to
158         cgraph_inline_failed_t.
159         (cgraph_set_inline_failed): Change type of REASON to pointer to
160         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
161         convert enums to strings for text output.
162         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
163         to be of type cgraph_inline_failed_t.  Replace reason strings with
164         enums.  Call cgraph_inline_failed_string to covert enums
165         to strings for text output.
166         (cgraph_decide_inlining): Replace reason strings with enums.
167         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
168         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
169         for text output.
170         * tree-inline.c (expand_call_inline): Change type of REASON
171         to cgraph_inline_failed_t.  Replace reason strings with enums.
172         Call cgraph_inline_failed_string for text output.
173         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
174         (cgraph.o): Ditto.
175
176 2009-03-28  Jan Hubicka  <jh@suse.cz>
177
178         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
179         cgraph_clone_node): Remove master clone handling.
180         (cgraph_is_master_clone, cgraph_master_clone): Remove.
181         * cgraph.h (master_clone): Remove.
182         (cgraph_is_master_clone, cgraph_master_clone): Remove.
183         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
184         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
185
186 2009-03-28  Jan Hubicka  <jh@suse.cz>
187
188         * cgraph.c (cgraph_function_body_availability): Functions declared
189         inline are always safe to assume that it is not going to be replaced.
190
191 2009-03-28  Richard Guenther  <rguenther@suse.de>
192
193         PR tree-optimization/38513
194         * tree-ssa-pre.c (eliminate): Remove redundant stores.
195         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
196         EXC_PTR_EXPR and FILTER_EXPR.
197         (get_ref_from_reference_ops): Likewise.
198
199 2009-03-28  Richard Guenther  <rguenther@suse.de>
200
201         PR tree-optimization/38968
202         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
203         Use FLOOR_MOD_EXPR to compute misalignment.
204
205 2009-03-28  Richard Guenther  <rguenther@suse.de>
206
207         PR tree-optimization/37795
208         * tree.h (combine_comparisons): Declare.
209         * fold-const.c (combine_comparisons): Export.
210         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
211         comparisons.
212         (ifcombine_iforif): Use combine_comparisons.
213
214 2009-03-28  Jan Hubicka  <jh@suse.cz>
215
216         * tree-eh.c (inlinable_call_p): New function.
217         (make_eh_edges): Use it.
218         (verify_eh_edges): Use it.
219         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
220         * except.c (reachable_next_level): Add inlinable_function argument
221         (sjlj_find_directly_reachable_regions): Update.
222         (add_reachable_handler): Do not set saw_any_handlers.
223         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
224         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
225         Add new inlinable call parameter.
226         (can_throw_internal, can_throw_external): Update.
227         * except.h (can_throw_internal_1, can_throw_external_1,
228         foreach_reachable_handler): Update declaration.
229
230 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
231
232         * config/arm/t-arm-coff, config/h8300/coff.h,
233         config/i386/i386-aout.h, config/i386/i386-coff.h,
234         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
235         config/pdp11/2bsd.h, config/rs6000/aix41.h,
236         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
237         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
238         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
239         sys-types.h: Remove.
240         * Makefile.in: Remove protoize and fixproto support and references
241         in comments.
242         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
243         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
244         Remove.
245         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
246         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
247         unprotoize$(exeext).
248         (rest.encap): Don't depend on $(STMP_FIXPROTO)
249         (.PHONY): Don't depend on proto.
250         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
251         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
252         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
253         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
254         build/gen-protos.o, build/scan.o, xsys-protos.h,
255         build/fix-header$(build_exeext), build/fix-header.o,
256         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
257         stmp-install-fixproto): Remove.
258         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
259         SYSCALLS.c or fixproto files.
260         (install-common): Don't install protoize.
261         (install-headers-tar, install-headers-cpio, install-headers-cp):
262         Don't depend on $(STMP_FIXPROTO).
263         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
264         install fixproto files or write out fixproto settings.
265         (uninstall): Don't uninstall protoize.
266         * config.gcc (use_fixproto): Remove.
267         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
268         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
269         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
270         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
271         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
272         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
273         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
274         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
275         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
276         * config/t-vxworks (STMP_FIXPROTO): Remove.
277         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
278         STMP_FIXPROTO): Remove.
279         * config.in, configure: Regenerate.
280         * crtstuff.c (gid_t, uid_t): Don't undefine.
281         * doc/install.texi: Change m68k-coff to m68k-elf in example.
282         (arm-*-coff, arm-*-aout: Remove target entries.
283         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
284         Remove mention of AIX 4.1.
285         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
286         * doc/invoke.texi (Running Protoize): Remove.
287         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
288         (Protoize Caveats): Remove.
289         * tsystem.h: Update comments on headers assumed to exist.
290
291 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
292
293         * genautomata.c: Add a new year to the copyright.  Add a new
294         reference.
295         (struct insn_reserv_decl): Add comments for member bypass_list.
296         (find_bypass): Remove.
297         (insert_bypass): New.
298         (process_decls): Use insert_bypass.
299         (output_internal_insn_latency_func): Output all bypasses with the
300         same input insn in one switch case.
301
302         * rtl.def (define_bypass): Describe bypass choice.
303         * doc/md.texi (define_bypass): Ditto.
304
305 2009-03-27  Richard Guenther  <rguenther@suse.de>
306
307         * gimplify.c (mark_addressable): Export.
308         * tree-flow.h (mark_addressable): Declare.
309         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
310         * tree-ssa.c (verify_phi_args): Verify that address taken
311         variables have TREE_ADDRESSABLE set.
312
313 2009-03-27  Richard Guenther  <rguenther@suse.de>
314
315         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
316         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
317         Do not mark decls TREE_ADDRESSABLE.
318         (build_fold_addr_expr): Adjust.
319         (fold_addr_expr): Remove.
320         (fold_unary): Use build_fold_addr_expr.
321         (fold_comparison): Likewise.
322         (split_address_to_core_and_offset): Likewise.
323         * coverage.c (tree_coverage_counter_addr): Mark the array decl
324         TREE_ADDRESSABLE.
325         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
326         (gimplify_modify_expr_to_memcpy): Mark source and destination
327         addressable.
328         * omp-low.c (create_omp_child_function): Mark the object decl
329         TREE_ADDRESSABLE.
330         (lower_rec_input_clauses): Mark the var we take the address of
331         TREE_ADDRESSABLE.
332         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
333
334 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
335
336         PR middle-end/39315
337         * cfgexpand.c (expand_one_stack_var_at): Change alignment
338         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
339
340 2009-03-27  Richard Guenther  <rguenther@suse.de>
341
342         PR tree-optimization/39120
343         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
344         constraints.
345         (handle_lhs_call): Process return constraints.  Add escape
346         constraints if necessary.
347         (handle_const_call): Fill out return constraints.  Make nested
348         case more precise.  Avoid consttmp if possible.
349         (handle_pure_call): Fill out return constraints.  Avoid
350         callused if possible.
351         (find_func_aliases): Simplify call handling.
352
353 2009-03-27  Richard Guenther  <rguenther@suse.de>
354
355         PR tree-optimization/39120
356         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
357         as a representative.
358         (solve_graph): Do propagate CALLUSED.
359         (handle_pure_call): Use a scalar constraint from CALLUSED for
360         the return value.
361         (find_what_p_points_to): CALLUSED shall not appear in poins-to
362         solutions.
363
364 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
365
366         PR c/39323
367         * c-common.c (handle_aligned_attribute): Properly check alignment
368         overflow.  Use (1U << i) instead of (1 << i).
369
370         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for
371         align.
372
373         * expr.h (get_mem_align_offset): Updated.
374
375         * tree.h (tree_decl_common): Change align to "unsigned int" and
376         move it before pointer_alias_set.
377
378 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
379             Jakub Jelinek  <jakub@redhat.com>
380
381         PR target/38034
382         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
383         gr_register_operand with gr_reg_or_0_operand.
384         (cmpxchg_rel_di): Likewise.
385         (sync_lock_test_and_set<mode>): Likewise.
386
387 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
388
389         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
390         (true_regnum): Likewise.
391
392         * rtlanal.c (subreg_info): Moved to ...
393         * rtl.h (subreg_info): Here.  New.
394         (subreg_get_info): New.
395
396         * rtlanal.c (subreg_get_info): Make it extern.
397
398 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
399
400         PR target/39472
401         * config/i386/i386.c (ix86_abi): New.
402         (override_options): Handle -mabi=.
403         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with
404         ix86_abi.
405         (ix86_call_abi_override): Likewise.
406         (init_cumulative_args): Likewise.
407         (function_arg_advance): Likewise.
408         (function_arg_64): Likewise.
409         (function_arg): Likewise.
410         (ix86_pass_by_reference): Likewise.
411         (ix86_function_value_regno_p): Likewise.
412         (ix86_build_builtin_va_list_abi): Likewise.
413         (setup_incoming_varargs_64): Likewise.
414         (is_va_list_char_pointer): Likewise.
415         (ix86_init_machine_status): Likewise.
416         (ix86_reg_parm_stack_space): Use enum calling_abi on
417         call_abi.
418         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
419         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
420         (ix86_function_abi): Make it static and return enum
421         calling_abi.
422         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
423         with ix86_abi.
424         (ix86_fn_abi_va_list): Updated.
425
426         * config/i386/i386.h (ix86_abi): New.
427         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
428         (CONDITIONAL_REGISTER_USAGE): Likewise.
429         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
430         (machine_function): Likewise.
431
432         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
433         with ix86_abi.
434         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
435         (STACK_BOUNDARY): Likewise.
436         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
437
438         * config/i386/i386.opt (mabi=): New.
439
440         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
441         return enum calling_abi.
442         (ix86_function_type_abi): Likewise.
443         (ix86_function_abi): Removed.
444
445         * doc/invoke.texi: Document -mabi= option for x86.
446
447 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
448
449         * builtins.c (real_dconstp): Delete.
450         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
451
452 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
453             Jakub Jelinek  <jakub@redhat.com>
454
455         PR debug/37959
456         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
457         (gen_subprogram_die): When a function is explicit, generate the
458         DW_AT_explicit attribute.
459         * langhooks.h (struct lang_hooks_for_decls): Add
460         function_decl_explicit_p langhook.
461         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
462         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
463
464 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
465
466         * builtins.c (fold_builtin_memory_op): Optimize memmove
467         into memcpy if we can prove source and destination don't overlap.
468
469         * tree-inline.c: Include gt-tree-inline.h.
470         (clone_fn_id_num): New variable.
471         (clone_function_name): New function.
472         (tree_function_versioning): Use it.
473         * Makefile.in (GTFILES): Add tree-inline.c.
474
475 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
476
477         * BASE-VER: Change to 4.5.0.
478
479 2009-03-27  Xinliang David Li  <davidxl@google.com>
480
481         PR tree-optimization/39557
482         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
483
484 2009-03-27  Xinliang David Li  <davidxl@google.com>
485
486         PR tree-optimization/39548
487         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy 
488         candidate check.
489
490 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
491
492         * c-common.c (pointer_int_sum): Use %wd on return from
493         tree_low_cst.
494
495 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
496
497         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
498         on return from tree_low_cst.
499
500 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
501
502         PR c++/36799
503         * ginclude/stdarg.h (va_copy): Define also for __GXX_EXPERIMENTAL_CXX0X__.
504
505 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
506
507         PR c++/35652
508         * builtins.h (c_strlen): Do not warn here.
509         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
510         * c-common.c (pointer_int_sum): Take an explicit location.
511         Warn about offsets out of bounds.
512         * c-common.h (pointer_int_sum): Adjust declaration.
513
514 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
515
516         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
517         markup glitch.
518
519 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
520
521         PR c++/39554
522         * opts.c (warn_if_disallowed_function_p): Don't assume
523         get_callee_fndecl must return non-NULL.
524
525 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
526
527         PR rtl-optimization/39522
528         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
529         when reg_reloaded_valid is set.
530
531 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
532
533         * config/spu/divv2df3.c: New file.
534         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
535         (DPBIT_FUNCS): Filter out _div_df.
536
537 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
538
539         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
540         a jump insn, count that jump in the distance to the loop start.
541
542 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
543
544         PR target/39523
545         * config/sh/sh.c (calc_live_regs): Fix condition for global
546         registers except PIC_OFFSET_TABLE_REGNUM.
547
548 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
549
550         PR/39518
551         * doc/invoke.texi (-mconsole): New.
552         (-mcygwin): New.
553         (-mno-cygwin): New.
554         (-mdll): New.
555         (-mnop-fun-dllimport): New.
556         (-mthread): New.
557         (-mwin32): New.
558         (-mwindows): New.
559         (sub section "i386 and x86-64 Windows Options"): New.
560
561 2009-03-25  Ralf Cors├ępius <ralf.corsepius@rtems.org>
562
563         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
564         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
565
566 2009-03-25  Richard Guenther  <rguenther@suse.de>
567
568         PR middle-end/39497
569         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
570         of -Wno-error.
571
572 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
573
574         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
575         neither of haifa/selective schedulers are working.
576
577 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
578
579         * doc/invoke.texi (Debugging Options): Fix description of
580         -fno-merge-debug-strings.
581
582 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
583
584         * config/cris/libgcc.ver: New version-script.
585         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
586
587         * configure.ac <GAS features, nop mnemonic>: Add pattern
588         crisv32-*-* for "nop".
589         <GAS features, Thread-local storage>: Add item for CRIS and
590         CRIS v32.
591         * configure: Regenerate.
592
593 2009-03-24  Ira Rosen  <irar@il.ibm.com>
594
595         PR tree-optimization/39529
596         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
597         mark_sym_for_renaming for the tag copied to the new vector
598         pointer.
599
600 2009-03-24  Arthur Loiret  <aloiret@debian.org>
601
602         * config.host (alpha*-*-linux*): Use driver-alpha.o and
603         alpha/x-alpha.
604         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
605         EXTRA_SPEC_FUNCTIONS.
606         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
607         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
608         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
609         -march and -mtune options.
610
611 2009-03-24  Ralf Cors├ępius <ralf.corsepius@rtems.org>
612
613         * config/m68k/t-rtems: Add m5329 multilib.
614
615 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
616             Jakub Jelinek  <jakub@redhat.com>
617
618         PR debug/39524
619         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
620         nodes.
621
622 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
623
624         PR c/39495
625         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
626         instead of c_parser_expression_conv, if original_code isn't one of the
627         4 allowed comparison codes, fail.
628
629 2009-03-23  Richard Guenther  <rguenther@suse.de>
630
631         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
632         * tree.h (struct tree_type): Likewise.
633         * reload.h (struct insn_chain): Likewise.
634         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
635         * function.h (struct function): Likewise.
636         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
637
638 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
639
640         PR tree-optimization/39516
641         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
642
643 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
644
645         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint 
646         should be set true if BITS_PER_WORD of target is bigger than 32
647
648 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
649
650         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
651         Translate -B-options to -rpath-link.  Correct existing
652         rpath-link and conditionalize on !nostdlib.
653
654 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
655
656         * doc/extend.texi (Function Attributes, Variable Attributes):
657         Fix typos.
658         * doc/invoke.texi (Debugging Options, Optimize Options)
659         (i386 and x86-64 Options, MCore Options): Likewise.
660
661 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
662
663         PR debug/37890
664         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
665         it for block local namespace aliases.
666         (gen_decl_die): Pass context_die to gen_namespace_die.
667
668 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
669
670         PR c/39495
671         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
672         minimum or maximum value.
673
674 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
675
676         * reginfo.c (globalize_reg): Recompute derived reg sets.
677
678 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
679
680         PR target/39063
681         * libgcc2.c (mprotect): Do not use signed arguments for
682         VirtualProtect, use DWORD arguments.  Also fix the 'may
683         be used uninitialized' warning for the np variable.
684
685 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
686
687         PR target/39496
688         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
689         functions using regparm calling conventions when not optimizing.
690         (ix86_function_sseregparm): Similarly for sseregparm calling
691         conventions.
692
693 2009-03-19  Li Feng  <nemokingdom@gmail.com>
694
695         PR middle-end/39500
696         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
697         dependence if the first conflict is after niter iterations.
698
699 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
700
701         PR middle-end/38609
702         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
703         functions with dynamic stack-pointer adjustments.
704
705 2009-03-19  Ben Elliston  <bje@au.ibm.com>
706
707         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
708         option; change to -msdata=data.
709
710 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
711
712         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
713         and -fopenmp.
714
715 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
716
717         PR target/35180
718         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
719
720 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
721
722         * doc/invoke.texi (Code Gen Options): Expand discussion of
723         -fno-common.
724
725 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
726
727         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
728         * matrix-reorg.c (struct matrix_info): Likewise.
729         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
730         * rtl.h (struct mem_attrs): Likewise.
731         * df.h (struct df): Likewise.
732         * tree-data-ref.h (struct data_dependence_relation): Likewise.
733         * ira-int.h (struct ira_allocno): Likewise.
734         * df-scan.c (struct df_collection_rec): Likewise.
735         * ira.c (struct equivalence): Likewise.
736         * function.c (struct temp_slot): Likewise.
737         * cfgloop.h (struct loop): Likewise.
738
739         PR debug/39485
740         * function.c (use_register_for_decl): When not optimizing, disregard
741         register keyword for variables with types containing methods.
742
743 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
744
745         PR middle-end/39447
746         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
747         (is_simple_operand): Call contains_component_ref_p before calling data
748         reference analysis that would fail on COMPONENT_REFs.
749
750         * tree-vrp.c (search_for_addr_array): Fix formatting.
751
752 2009-03-18  Richard Guenther  <rguenther@suse.de>
753
754         * tree-vect-transform.c (vect_loop_versioning): Fold the
755         generated comparisons.
756         * tree-vectorizer.c (set_prologue_iterations): Likewise.
757         (slpeel_tree_peel_loop_to_edge): Likewise.
758
759 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
760
761         PR middle-end/37805
762         * opts.c (print_specific_help): In addition to `undocumented',
763         accept `separate' and `joined' flags if passed alone.  Describe
764         output by the first matched one of those.
765         (common_handle_option): Skip over empty strings.
766         * gcc.c (display_help): Fix help string for `--help='.
767         * doc/invoke.texi (Option Summary, Overall Options): With
768         `--help=', classes and qualifiers can both be repeated, but
769         only the latter can be negated.  One should not pass only
770         negated qualifiers.  Fix markup and examples.
771
772         Revert
773         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
774         PR middle-end/37805
775         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
776         and -fhelp=separate.
777
778 2009-03-17  Jing Yu  <jingyu@google.com>
779
780         PR middle-end/39378
781         * function.h (struct rtl_data): Move is_thunk from here...
782         (struct function): ...to here.
783         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
784         * varasm.c (assemble_start_function): Change is_thunk from crtl to
785         cfun.
786         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
787         cfun.
788         (alpha_does_function_need_gp, alpha_start_function): Likewise.
789         (alpha_output_function_end_prologue): Likewise.
790         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
791         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
792         (rs6000_output_function_epilogue): Likewise.
793         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
794
795 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
796
797         PR target/39482
798         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
799         from different units in a single alternative.
800         (*truncdfsf_i387): Ditto.
801         (*truncxfsf2_mixed): Ditto.
802         (*truncxfdf2_mixed): Ditto.
803
804 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
805
806         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
807         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
808
809         PR debug/39474
810         * tree-ssa-live.c (remove_unused_locals): Don't remove local
811         unused non-artificial variables when not optimizing.
812
813         PR debug/39471
814         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
815         DW_TAG_imported_module even if decl is IMPORTED_DECL with
816         NAMESPACE_DECL in its DECL_INITIAL.
817
818         PR middle-end/39443
819         * optabs.c (set_user_assembler_libfunc): New function.
820         * expr.h (set_user_assembler_libfunc): New prototype.
821         * c-common.c: Include libfuncs.h.
822         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
823         for memcmp, memset, memcpy, memmove and abort.
824         * Makefile.in (c-common.o): Depend on libfuncs.h.
825
826         PR debug/39412
827         * dwarf2out.c (gen_inlined_enumeration_type_die,
828         gen_inlined_structure_type_die, gen_inlined_union_type_die,
829         gen_tagged_type_instantiation_die): Removed.
830         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
831         do nothing.
832
833 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
834
835         PR testsuite/38526
836         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
837         its use.
838         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
839         (check-parallel-%): Ditto.
840         (check-consistency): Ditto.
841
842 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
843
844         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
845         local variable rhs by NULL_TREE.
846
847 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
848
849         PR target/39477
850         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
851
852 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
853
854         PR target/39476
855         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
856
857 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
858
859         PR target/39473
860         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
861         for ms->sysv ABI calls only in 64bit mode.
862
863         * config/i386/i386.md (untyped_call): Support 32bit.
864
865 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
866
867         * doc/extend.texi: Replace x86_65 with x86_64.
868
869 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
870
871         PR tree-optimization/39455
872         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
873         mismatches for POINTER_TYPE_P (type).
874         (number_of_iterations_le): Likewise.
875
876 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
877
878         * config/picochip/picochip.c: Removed profiling support.
879         * config/picochip/picochip.md: Removed profiling instruction.
880         * config/picochip/picochip.h: Removed profiling builtin.
881
882 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
883
884         * doc/install.texi (--with-host-libstdcxx): Document.
885
886 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
887
888         PR target/34299
889         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
890         generate a warning if the function name does not begin with
891         "__vector" and the function has either the 'signal' or 'interrupt'
892         attribute, from here to ...
893         (avr_declare_function_name): ...here. New function.
894         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
895         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
896
897 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
898
899         PR bootstrap/39454
900         * cse.c (fold_rtx): Don't modify original const_arg1 when
901         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
902         separate variable instead.
903         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
904         from out of range shift counts.
905         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
906
907 2008-03-13  Catherine Moore  <clm@codesourcery.com>
908
909         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
910         diagnostic.h with $(DIAGNOSTIC_H).
911
912 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
913
914         PR target/39431
915         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
916         predicate.
917         * config/i386/sync.md (sync_compare_and_swap<mode>,
918         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
919         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
920         into a register.
921         (sync_double_compare_and_swapdi_pic,
922         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
923         cmpxchg8b_pic_memory_operand instead of just memory_operand.
924
925 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
926
927         PR target/39445
928         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
929
930 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
931
932         PR target/39327
933         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
934         (avx_addsubv4df3): Likewise.
935         (*avx_addsubv4sf3): Likewise.
936         (sse3_addsubv4sf3): Likewise.
937
938 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
939
940         PR target/38824
941         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
942
943 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
944
945         PR debug/39432
946         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
947         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
948         registers for allocnos created from user-defined variables.
949
950 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
951
952         PR target/39181
953         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
954         of non-integer mode as well.
955
956 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
957
958         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
959         for functions for which the parameter types are unknown.
960
961 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
962
963         PR target/39137
964         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
965         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
966         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
967         * config/i386/i386.c (ix86_local_alignment): For
968         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
969         long long variables on the stack to avoid dynamic realignment.
970         Allow the first argument to be a decl rather than type.
971         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
972
973 2009-03-11  Nick Clifton  <nickc@redhat.com>
974
975         PR target/5362
976         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
977         options.
978         Add description to mno-lsim option.
979         * config/mcore/mcore.h: Remove comment about deprecated m4align
980         option.
981         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
982         * doc/invoke.texi: Add description of mno-lsim and
983         mstack-increment options.
984
985         * config/fr30/fr30.opt: Document the -mno-lsim option.
986         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
987         and -mno-lsim options.
988
989 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
990
991         * fold-const.c (fold_comparison): Only call fold_inf_compare
992         if the mode supports infinities.
993
994 2009-03-11  Jason Merrill  <jason@redhat.com>
995
996         PR debug/39086
997         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
998         end already did.  Notice GIMPLE_CALL modifications of the result.
999         Don't copy debug information from an ignored decl or a decl from
1000         another function.
1001
1002 2009-03-10  Richard Guenther  <rguenther@suse.de>
1003             Nathan Froyd  <froydnj@codesourcery.com>
1004
1005         PR middle-end/37850
1006         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
1007         (__divMODE3): Likewise.
1008
1009 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
1010
1011         PR tree-optimization/39394
1012         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
1013         DECL_SIZE_UNIT of variable length FIELD_DECLs.
1014
1015 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1016
1017         * recog.c (verfiy_changes): Disallow renaming of hard regs in
1018         inline asms for register asm ("") declarations.
1019
1020 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
1021
1022         * fold-const.c (fold_unary): Fix comment.
1023
1024 2009-03-07  Jan Hubicka  <jh@suse.cz>
1025
1026         PR target/39361
1027         * tree-inline.c (setup_one_parameter): Do replacement of const
1028         argument by constant in SSA form.
1029
1030 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1031
1032         PR middle-end/38028
1033         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
1034         determine alignment passed to assign_stack_local.
1035         (assign_parms_unsplit_complex): Likewise.
1036         * except.c (sjlj_build_landing_pads): Likewise.
1037
1038 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
1039
1040         PR middle-end/39360
1041         * tree-flow.h (add_referenced_var): Return bool instead of void.
1042         * tree-dfa.c (add_referenced_var): Return result of
1043         referenced_var_check_and_insert call.
1044         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
1045         of referenced_var_check_and_insert.
1046
1047         PR debug/39372
1048         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
1049         (gen_variable_die): Emit DW_AT_location on abstract static variable's
1050         DIE, don't emit it if abstract origin already has it.
1051         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
1052         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
1053
1054 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
1055
1056         * genpreds.c: (needs_variable): Fix parentheses at variable name
1057         detection.
1058         (write_tm_constrs_h): Indent generated code.
1059
1060 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1061
1062         * doc/extend.texi (Function Attributes): Add documentation
1063         for isr attributes.
1064
1065 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
1066
1067         PR debug/39387
1068         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
1069         take locus from its DECL_SOURCE_LOCATION instead of input_location.
1070
1071 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
1072
1073         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
1074         the loop as bad.
1075
1076 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
1077
1078         PR debug/39379
1079         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
1080         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
1081
1082 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
1083
1084         * config/i386/i386.md (R8_REG, R9_REG): New constants.
1085         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
1086         constants instead of magic numbers.
1087         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
1088         (QI_REG_P): Ditto.
1089         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
1090         (x86_64_ms_abi_int_parameter_registers): Ditto.
1091         (x86_64_int_return_registers): Ditto.
1092         (ix86_maybe_switch_abi): Ditto.
1093         (ix86_expand_call): Ditto for clobbered_registers array.
1094         (ix86_hard_regno_mode_ok): Ditto.
1095         (x86_extended_QIreg_mentioned_p): Ditto.
1096
1097 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
1098
1099         PR tree-optimization/39349
1100         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
1101
1102         * combine.c (gen_lowpart_for_combine): Use omode when generating
1103         clobber.
1104
1105 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
1106
1107         PR rtl-optimization/39235
1108         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
1109
1110 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
1111
1112         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
1113
1114 2009-03-04  Richard Guenther  <rguenther@suse.de>
1115
1116         PR tree-optimization/39362
1117         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
1118         that occur in abnormal PHIs should be varying.
1119
1120 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
1121
1122         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
1123         Extend comments.
1124         (simple_iv):  Take loop as an argument instead of statement.
1125         * tree-scalar-evolution.h (simple_iv): Declaration changed.
1126         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
1127         to simple_iv.
1128         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
1129         Ditto.
1130         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
1131         * matrix-reorg.c (analyze_transpose): Ditto.
1132         * tree-data-ref.c (dr_analyze_innermost): Ditto.
1133         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
1134         * tree-predcom.c (ref_at_iteration): Ditto.
1135         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
1136
1137 2009-03-04  Richard Guenther  <rguenther@suse.de>
1138
1139         PR tree-optimization/39358
1140         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
1141         escaped_id and callused_id.
1142         (solve_graph): Likewise.
1143
1144 2009-03-04  Richard Guenther  <rguenther@suse.de>
1145
1146         PR tree-optimization/39339
1147         * tree-sra.c (try_instantiate_multiple_fields): Make it
1148         no longer ICE on the above.
1149
1150 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
1151
1152         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
1153         that fits within Pmode.
1154
1155 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
1156
1157         PR middle-end/10109
1158         * tm.texi (LIBCALL_VALUE): Update description.
1159
1160 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
1161
1162         PR middle-end/34443
1163         * doc/extend.texi (section): Update description.
1164
1165 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
1166
1167         PR middle-end/39345
1168         * tree-inline.c (remapped_type): New.
1169         (can_be_nonlocal): Call remapped_type instead of remap_type.
1170
1171 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
1172
1173         PR fortran/39354
1174         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
1175         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
1176
1177 2009-03-03  Richard Guenther  <rguenther@suse.de>
1178
1179         PR middle-end/39272
1180         * tree.c (tree_nonartificial_location): New function.
1181         * tree.h (tree_nonartificial_location): Declare.
1182         * builtins.c (expand_builtin_memory_chk): Provide location
1183         of the call location for artificial function pieces.
1184         (maybe_emit_chk_warning): Likewise.
1185         (maybe_emit_sprintf_chk_warning): Likewise.
1186         (maybe_emit_free_warning): Likewise.
1187         * expr.c (expand_expr_real_1): Likewise.
1188
1189 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
1190
1191         PR tree-optimization/39343
1192         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
1193         COMPONENT_REF t has ARRAY_TYPE.
1194
1195 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1196
1197         PR middle-end/39335
1198         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
1199         when the type precision of the induction variable should be
1200         larger than the type precision of nit.
1201         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
1202         * graphite.c (graphite_loop_normal_form): Same.
1203         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
1204
1205 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
1206
1207         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
1208         (*call_1_rex64_ms_sysv): Use named constants instead of magic
1209         numbers to describe clobbered registers.
1210         (*call_value_0_rex64_ms_sysv): Ditto.
1211         * config/i386/mmx.md (mmx_emms): Ditto.
1212         (mmx_femms): Ditto.
1213
1214 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
1215
1216         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
1217         of ABI_64.
1218
1219 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1220
1221         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
1222         (spu_section_type_flags): New function.
1223
1224 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
1225
1226         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
1227         reg_class_contents of FLOAT_REGS into a temporary.
1228
1229 2009-03-02  Richard Guenther  <rguenther@suse.de>
1230             Ira Rosen  <irar@il.ibm.com>
1231
1232         PR tree-optimization/39318
1233         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
1234         information to the vectorized statement.
1235
1236 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
1237
1238         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
1239         variable.  Use defined names instead of magic constants for REX SSE
1240         registers.
1241
1242 2009-03-01  Richard Guenther  <rguenther@suse.de>
1243
1244         PR tree-optimization/39331
1245         * omp-low.c (lower_send_shared_vars): Do not receive new
1246         values for the reference of DECL_BY_REFERENCE parms or results.
1247
1248 2009-03-01  Jan Hubicka  <jh@suse.cz>
1249
1250         PR debug/39267
1251         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
1252         BLOCK_NONLOCALIZED_VAR): New macros.
1253         (tree_block): Add nonlocalized_vars.
1254         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
1255         gen_decl_die): Add origin argument.  Allow generation of die with
1256         origin at hand only.
1257         (gen_member_die, gen_type_die_with_usage, force_decl_die,
1258         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
1259         of gen_*.
1260         (gen_block_die): Fix checking for unused blocks.
1261         (process_scope_var): Break out from .... ; work with origins only.
1262         (decls_for_scope) ... here; process nonlocalized list.
1263         (dwarf2out_ignore_block): Look for nonlocalized vars.
1264         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
1265         vars.
1266         (dump_scope_block): Dump them.
1267         * tree-inline.c (remap_decls): Handle nonlocalized vars.
1268         (remap_block): Likewise.
1269         (can_be_nonlocal): New predicate.
1270         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
1271
1272 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1273
1274         * configure: Regenerate.
1275
1276 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1277
1278         * optc-gen.awk: No need to duplicate option flags twice.
1279         Reuse help texts for duplicate options which do not have any.
1280
1281         * gcc.c (display_help): Document --version.
1282
1283         * gcc.c (main): If print_help_list and verbose_flag, ensure
1284         driver output comes before subprocess output.
1285
1286         * optc-gen.awk: Assign all remaining fields to help string,
1287         space-separated, for multi-line help in *.opt.
1288
1289         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
1290         -Wno-pedantic-ms-format is for MinGW targets only.
1291
1292         * doc/options.texi (Option file format): Fix bad indentation,
1293         restoring dropped sentence.
1294
1295 2009-02-28  Jan Hubicka  <jh@suse.cz>
1296
1297         * tree-inline.c (tree_function_versioning): Output debug info.
1298
1299 2009-02-28  Jan Hubicka  <jh@suse.cz>
1300
1301         PR debug/39267
1302         * tree-inline.c (setup_one_parameter): Do not copy propagate
1303         arguments when not optimizing.
1304
1305 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
1306
1307         PR target/39327
1308         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1309         (avx_addsubv4df3): Likewise.
1310         (*avx_addsubv4sf3): Likewise.
1311         (sse3_addsubv4sf3): Likewise.
1312         (*avx_addsubv2df3): Likewise.
1313         (sse3_addsubv2df3): Likewise.
1314         (avx_unpckhps256): Correct item selectors.
1315         (avx_unpcklps256): Likewise.
1316         (avx_unpckhpd256): Likewise.
1317         (avx_unpcklpd256): Likewise.
1318
1319 2009-02-28  Jan Hubicka  <jh@suse.cz>
1320
1321         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
1322         static vars.
1323         (copy_arguments_for_versioning): If var is declared don't declare it.
1324         (tree_function_versioning): First setup substitutions and then copy
1325         args.
1326
1327 2009-02-27  Jan Hubicka  <jh@suse.cz>
1328
1329         PR debug/39267
1330         * cgraph.h (varpool_output_debug_info): Remove.
1331         * cgraphunit.c (varpool_output_debug_info): Remove.
1332         * dwarf2out.c (deferred_locations_struct): New struct
1333         (deferred_locations): New type.
1334         (deferred_locations_list): New static var.
1335         (deffer_location): New function.
1336         (gen_variable_die): Use it.
1337         (decls_for_scope): Output info on local static vars.
1338         (dwarf2out_finish): Process deferred locations.
1339         * varpool.c (varpool_output_debug_info): Remove.
1340
1341 2009-02-27  Jan Hubicka  <jh@suse.cz>
1342
1343         PR debug/39267
1344         * tree.h (TREE_PROTECTED): Fix comment.
1345         (BLOCK_HANDLER_BLOCK): Remove.
1346         (struct tree_block): Remove handler_block add body_block.
1347         (inlined_function_outer_scope_p): New.
1348         (is_body_block): Remove.
1349         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
1350         * dwarf2out.c (is_inlined_entry_point): Remove.
1351         (add_high_low_attributes): Use inlined_function_outer_scope_p.
1352         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
1353         code.
1354         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
1355         * gimplify.c (gimplify_expr): Gimplify body blocks.
1356         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
1357         block with multiple subblocks.
1358         (dump_scope_block): Prettier output; dump more flags and info.
1359         (dump_scope_blocks): New.
1360         (remove_unused_locals): Use dump_scope_blocks.
1361         * tree-flow.h (dump_scope_blocks): Declare.
1362         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
1363         * stmt.c (is_body_block): Remove.
1364         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
1365         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
1366
1367 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
1368
1369         PR middle-end/39308
1370         * graphite.c (graphite_loop_normal_form): Do not call 
1371         number_of_iterations_exit from a gcc_assert.
1372
1373 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1374
1375         * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
1376         jumps if COND is NULL.
1377         (find_cond_jump): New function.
1378         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
1379         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
1380
1381 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
1382
1383         * config/alpha/alpha.h (alpha_expand_mov): Return false if
1384         force_const_mem returns NULL_RTX.
1385
1386 2009-02-26  Jan Hubicka  <jh@suse.cz>
1387
1388         PR debug/39267
1389         * cgraph.h (varpool_output_debug_info): Remove.
1390         * cgraphunit.c (varpool_output_debug_info): Remove.
1391         * dwarf2out.c (deferred_locations_struct): New struct
1392         (deferred_locations): New type.
1393         (deferred_locations_list): New static var.
1394         (deffer_location): New function.
1395         (gen_variable_die): Use it.
1396         (decls_for_scope): Output info on local static vars.
1397         (dwarf2out_finish): Process deferred locations.
1398         * varpool.c (varpool_output_debug_info): Remove.
1399
1400 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
1401
1402         PR rtl-optimization/39241
1403         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
1404         to subreg_offset_representable_p.
1405
1406 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
1407
1408         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
1409         execute function prototype.  Get f and nregs from max_reg_num
1410         and get_insns.  Remove the first backward pass as it's dead,
1411         guard the forward pass by flag_expensive_optimizations.
1412         (rest_of_handle_regmove): Delete.
1413         (pass_regmove): Replace it with regmove_optimize.
1414
1415 2009-02-25  Martin Jambor  <mjambor@suse.cz>
1416
1417         PR tree-optimization/39259
1418         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
1419         calls_alloca function flags.
1420         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
1421         calls are detected.
1422
1423 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
1424
1425         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
1426         flags_set_1_rtx, flags_set_1_set): Delete.
1427         (regmove_optimize): Do not call mark_flags_life_zones.
1428
1429 2009-02-24  Julian Brown  <julian@codesourcery.com>
1430
1431         PR target/35965
1432         * config/arm/arm.c (require_pic_register): Only set
1433         cfun->machine->pic_reg once per function.
1434
1435 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
1436
1437         * doc/invoke.texi (Link Options): Document an easier way to pass
1438         options that take arguments to the GNU linker using -Xlinker and -Wl.
1439
1440 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
1441
1442         PR target/33785
1443         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
1444
1445 2009-02-24  Richard Guenther  <rguenther@suse.de>
1446
1447         PR debug/39285
1448         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
1449
1450 2009-02-24  Richard Guenther  <rguenther@suse.de>
1451             Zdenek Dvorak  <ook@ucw.cz>
1452
1453         PR tree-optimization/39233
1454         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
1455         from converting them to a generic type.
1456
1457 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1458
1459         PR tree-optimization/39260
1460         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
1461         contains a condition with a real type.
1462         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
1463
1464 2009-02-23  Jason Merrill  <jason@redhat.com>
1465
1466         PR c++/38880
1467         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
1468         narrowing_initializer_constant_valid_p.
1469         (narrowing_initializer_constant_valid_p): Don't return 
1470         null_pointer_node for adding a pointer to itself.
1471
1472 2009-02-23  Jan Hubicka  <jh@suse.cz>
1473
1474         PR c/12245
1475         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
1476         resizing.
1477
1478 2009-02-23  Jan Hubicka  <jh@suse.cz>
1479
1480         PR tree-optimization/37709
1481         * tree.c (block_ultimate_origin): Move here from dwarf2out.
1482         * tree.h (block_ultimate_origin): Declare.
1483         * dwarf2out.c (block_ultimate_origin): Move to tree.c
1484         * tree-ssa-live.c (remove_unused_scope_block_p):
1485         Eliminate blocks containig no instructions nor live variables nor
1486         nested blocks.
1487         (dump_scope_block): New function.
1488         (remove_unused_locals): Enable removal of dead blocks by default;
1489         enable dumping at TDF_DETAILS.
1490
1491 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
1492
1493         * config/i386/i386.c (classify_argument): Don't allow COImode
1494         and OImode.
1495         (function_arg_advance_32): Don't allow OImode.
1496         (function_arg_32): Likewise.
1497         (function_value_32): Likewise.
1498         (return_in_memory_32): Likewise.
1499         (function_arg_64): Remove OImode comment.
1500
1501 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
1502
1503         PR target/39261
1504         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
1505         ix86_expand_vector_set for V4DImode in 64bit mode only.
1506         (ix86_expand_vector_init_one_var): Likewise.
1507
1508 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
1509
1510         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
1511
1512 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
1513
1514         PR bootstrap/39257
1515         * loop-iv.c: Revert last change.
1516         * emit-rtl.c: Likewise.
1517
1518 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
1519
1520         PR target/39256
1521         * config/i386/i386.c (type_natural_mode): Remove an extra
1522         space in the warning message.
1523         (function_value_32): Handle 32-byte vector modes.
1524         (return_in_memory_32): Likewise.
1525
1526 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
1527
1528         * loop-iv.c (truncate_value): New function.
1529         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
1530         of lowpart_subreg.
1531         (lowpart_subreg): Move to...
1532         * emit-rtl.c: ...here.
1533
1534 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
1535
1536         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
1537         accidental and undocumented change at revision 140860.
1538
1539 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
1540
1541         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
1542         take gimple_seq * arguments.
1543         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
1544         types_compatible_p langhook.
1545
1546 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
1547             Joseph Myers  <joseph@codesourcery.com>
1548
1549         * config/arm/arm.c (arm_builtin_va_list): New function.
1550         (arm_expand_builtin_va_start): Likewise.
1551         (arm_gimplify_va_arg_expr): Likewise.
1552         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
1553         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
1554         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
1555         (va_list_type): New variable.
1556         (arm_mangle_type): Mangle va_list_type appropriately.
1557
1558 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
1559
1560         PR middle-end/39157
1561         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
1562         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
1563         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
1564         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
1565         parameter to 1000 for -O1 by default.
1566         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
1567         parameter.
1568         * loop-invariant.c: Include params.h.
1569         (move_loop_invariants): Don't call move_single_loop_invariants on
1570         very large loops.
1571
1572 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
1573
1574         * calls.c (emit_library_call_value_1): Use slot_offset instead of
1575         offset when calculating bounds for indexing stack_usage_map.  Fixes
1576         a buffer overflow with certain target setups.
1577
1578 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
1579
1580         PR target/39240
1581         * calls.c (expand_call): Clear try_tail_call if caller and callee
1582         disagree in promotion of function return value.
1583
1584 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
1585
1586         PR target/39175
1587         * c-common.c (c_determine_visibility): If visibility changed and
1588         DECL_RTL has been already set, call make_decl_rtl to update symbol
1589         flags.
1590
1591 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1592
1593         PR c++/39188
1594         * varasm.c (assemble_variable): Don't check DECL_NAME when
1595         globalizing a variable.
1596
1597 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
1598
1599         PR c/38483
1600         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
1601         expression before any __builtin_trap call.
1602         * c-typeck.c (build_function_call): Convert and check function
1603         arguments before generating a call to a trap.  Evaluate the
1604         function arguments before the trap.
1605
1606 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
1607
1608         PR target/39228
1609         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
1610         (UNSPEC_FXAM_MEM): New unspec.
1611         (fxam<mode>2_i387_with_temp): New insn and split pattern.
1612         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
1613         memory using fxam<mode>2_i387_with_temp to remove excess precision.
1614
1615 2009-02-19  Richard Guenther  <rguenther@suse.de>
1616
1617         PR tree-optimization/39207
1618         PR tree-optimization/39074
1619         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
1620         storedanything_tree): New.
1621         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
1622         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
1623         (build_succ_graph): Add edges from STOREDANYTHING to all
1624         non-direct nodes.
1625         (init_base_vars): Initialize STOREDANYTHING.
1626         (compute_points_to_sets): Free substitution info after
1627         building the succ graph.
1628         (ipa_pta_execute): Likewise.
1629
1630         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
1631         field.
1632         (do_ds_constraint): Do not add to special var or non-pointer
1633         field solutions.
1634         (type_could_have_pointers): Split out from ...
1635         (could_have_pointers): ... here.  For arrays use the element type.
1636         (create_variable_info_for): Initialize may_have_pointers.
1637         (new_var_info): Likewise.
1638         (handle_lhs_call): Make the HEAP variable unknown-sized.
1639         (intra_create_variable_infos): Use a type with pointers for
1640         PARM_NOALIAS, make it unknown-sized.
1641
1642 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1643
1644         PR target/39224
1645         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
1646
1647 2009-02-18  Jason Merrill  <jason@redhat.com>
1648
1649         PR target/39179
1650         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
1651         value if DECL_EXTERNAL.
1652         * tree-sra.c (sra_walk_gimple_assign): Likewise.
1653         * target.h (gcc_target::binds_local_p): Clarify "module".
1654         * tree.h (TREE_PUBLIC): Clarify "module".
1655
1656 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
1657
1658         PR target/38891
1659         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
1660         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
1661
1662 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
1663
1664         PR target/39082
1665         * c.opt (Wabi): Support C and ObjC.
1666         (Wpsabi): New.
1667
1668         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
1669
1670         * config/i386/i386.c (classify_argument): Warn once about the ABI
1671         change when passing union with long double.
1672
1673         * doc/invoke.texi: Update -Wabi for warning psABI changes.
1674
1675 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
1676
1677         PR c/35447
1678         * c-parser.c (c_parser_compound_statement): Always enter and leave
1679         a scope.
1680
1681 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1682
1683         PR target/34587
1684         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
1685
1686 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
1687
1688         PR tree-optimization/36922
1689         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
1690         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
1691         Likewise.
1692
1693 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
1694
1695         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
1696         to 0 for EABI64.
1697
1698 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
1699
1700         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
1701
1702 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
1703
1704         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
1705         tree sharing.
1706
1707 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
1708             Richard Sandiford  <rdsandiford@googlemail.com>
1709
1710         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
1711         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
1712         (loongson_biadd): ...this.
1713
1714 2009-02-17  Richard Guenther  <rguenther@suse.de>
1715
1716         PR tree-optimization/39202
1717         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
1718         a var make sure to follow existing collapses.
1719
1720 2009-02-17  Richard Guenther  <rguenther@suse.de>
1721
1722         PR middle-end/39214
1723         * langhooks.c (lhd_print_error_function): Check for NULL block.
1724
1725 2009-02-17  Richard Guenther  <rguenther@suse.de>
1726
1727         PR tree-optimization/39204
1728         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
1729         of the PHI arg.
1730
1731 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
1732
1733         * config/soft-fp/double.h: Update from glibc CVS.
1734
1735 2009-02-17  Richard Guenther  <rguenther@suse.de>
1736
1737         PR tree-optimization/39207
1738         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
1739         strict-aliasing warnings for pointers pointing to NULL.
1740
1741 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
1742
1743         PR c/35446
1744         * c-parser.c (c_parser_braced_init): Call pop_init_level when
1745         skipping until next close brace.
1746
1747 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
1748
1749         PR target/37049
1750         * config/i386/i386.c (ix86_expand_push): Set memory alignment
1751         to function argument boundary.
1752
1753 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
1754
1755         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1756         in the lea_add. Reload eventually constraints it properly.
1757         * config/picochip/constraints.md : Remove the target constraint
1758         "b", since it is not needed anymore.
1759
1760 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
1761
1762         * gthr-dce.h: Uglify function parameter and local variable names.
1763         * gthr-gnat.h: Likewise.
1764         * gthr-mipssde.h: Likewise.
1765         * gthr-nks.h: Likewise.
1766         * gthr-posix95.h: Likewise.
1767         * gthr-posix.h: Likewise.
1768         * gthr-rtems.h: Likewise.
1769         * gthr-single.h: Likewise.
1770         * gthr-solaris.h: Likewise.
1771         * gthr-tpf.h: Likewise.
1772         * gthr-vxworks.h: Likewise.
1773         * gthr-win32.h: Likewise.
1774
1775 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
1776
1777         PR target/39196
1778         * config/i386/i386.md: Restrict the new peephole2 to move
1779         between MMX/SSE registers.
1780
1781 2009-02-15  Richard Guenther  <rguenther@suse.de>
1782
1783         Revert
1784         2009-02-13  Richard Guenther  <rguenther@suse.de>
1785
1786         * configure.ac: Enable LFS.
1787         * configure: Re-generate.
1788         * config.in: Likewise.
1789
1790 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1791
1792         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1793         spu_srqwbyte, spu_srqwbytebc): Define.
1794         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1795         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1796         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1797         "shrqby_<mode>"): New insn-and-split patterns.
1798         * config/spu/spu.c (expand_builtin_args): Determine and return
1799         number of operands using spu_builtin_description data.
1800         (spu_expand_builtin_1): Use it.
1801
1802 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
1803
1804         PR target/38056
1805         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1806         TARGET_CONST_GP.
1807
1808 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
1809
1810         PR target/39149
1811         * config/i386/i386.c (override_options): Correct warning
1812         messages for -malign-loops, -malign-jumps and -malign-functions.
1813
1814 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
1815
1816         PR target/39152
1817         * config/i386/i386.md: Restrict the new peephole2 to move
1818         between the general purpose registers.
1819
1820 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
1821
1822         PR target/39162
1823         * config/i386/i386.c (type_natural_mode): Add a new argument.
1824         Return the original mode and warn ABI change if vector size is 32byte.
1825         (function_arg_advance): Updated.
1826         (function_arg): Likewise.
1827         (ix86_function_value): Likewise.
1828         (ix86_return_in_memory): Likewise.
1829         (ix86_sol10_return_in_memory): Likewise.
1830         (ix86_gimplify_va_arg): Likewise.
1831         (function_arg_32): Don't warn ABX ABI change here.
1832         (function_arg_64): Likewise.
1833
1834 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
1835
1836         * loop-iv.c (implies_p): In the final case, test that operands 0
1837         of the two comparisons match.
1838
1839         * config/bfin/bfin.c (find_prev_insn_start): New function.
1840         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1841         (find_next_insn_start): Move.
1842
1843 2009-02-13  Richard Guenther  <rguenther@suse.de>
1844
1845         * configure.ac: Enable LFS.
1846         * configure: Re-generate.
1847         * config.in: Likewise.
1848
1849 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
1850
1851         PR c/35444
1852         * c-parser.c (c_parser_parms_list_declarator): Discard pending
1853         sizes on syntax error after some arguments have been parsed.
1854
1855 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
1856
1857         * doc/invoke.texi (-fira): Remove.
1858
1859 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1860
1861         * caller-save.c: Replace regclass.c with reginfo.c in comments.
1862         * recog.c: Likewise.
1863         * rtl.h: Likewise.
1864
1865 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
1866
1867         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1868         (umul_ppmm): Likewise.
1869         (count_leading_zeros): Likewise.
1870         (count_trailing_zeros): Likewise.
1871         (UMUL_TIME): Likewise.
1872
1873 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1874
1875         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1876         soft-fp/t-softfp to tmake_file.
1877
1878         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1879         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1880         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1881         IA64_BUILTIN_INFQ]: New.
1882         (ia64_init_builtins): Initialize __builtin_infq,
1883         __builtin_fabsq and __builtin_copysignq if not HPUX.
1884         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1885         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1886
1887         * config/ia64/lib1funcs.asm (__divtf3): Define only if
1888         SHARED is defined.
1889         (__fixtfti): Likewise.
1890         (__fixunstfti): Likewise.
1891         (__floattitf): Likewise.
1892
1893         * config/ia64/libgcc-glibc.ver: New.
1894         * config/ia64/t-fprules-softfp: Likewise.
1895         * config/ia64/sfp-machine.h: Likewise.
1896
1897         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1898         (LIBGCC2_TF_CEXT): Likewise.
1899         (TF_SIZE): Likewise.
1900         (TARGET_INIT_LIBFUNCS): Likewise.
1901
1902         * config/ia64/t-glibc (SHLINB_MAPFILES):
1903         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1904
1905 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1906
1907         * config/i386/i386.c (construct_container): Rewrite processing
1908         BLKmode with X86_64_SSE_CLASS.
1909
1910 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
1911
1912         PR target/39152
1913         * config/i386/i386.md: Replace simplify_replace_rtx with
1914         replace_rtx in the new peephole2.
1915
1916 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
1917
1918         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1919         loop unrolling do not happen at -O2.
1920
1921 2009-02-12  Michael Matz  <matz@suse.de>
1922
1923         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1924
1925 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
1926
1927         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1928         for -g3.
1929
1930 2009-02-12  Ben Elliston  <bje@au.ibm.com>
1931
1932         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1933         patterns when updating the back chain.  Missed in the 2009-02-10
1934         change.
1935
1936 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
1937
1938         * doc/extend.texi (Decimal Floating Types): Update identifier of
1939         draft TR and list of missing support.
1940
1941 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
1942
1943         PR middle-end/39154
1944         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1945         bit to variable length decl's flags, add it also to its
1946         pointer replacement variable.
1947
1948 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
1949             Jakub Jelinek  <jakub@redhat.com>
1950
1951         PR target/39118
1952         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1953         (memory_blockage): New expander.
1954         (*memory_blockage): New insn pattern.
1955         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1956         instead of general blockage at the end of function prologue when
1957         frame pointer is used to access red zone area.  Do not emit blockage
1958         when profiling, it is emitted in generic code.
1959         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1960         function epilogue when frame pointer is used to access red zone area.
1961
1962 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
1963
1964         PR target/38824
1965         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1966         by arithmetic with memory operands.
1967         * config/i386/predicates.md (commutative_operator): New.
1968
1969 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
1970
1971         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1972         bulleted lists.
1973
1974 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1975
1976         * alias.h (record_alias_subset): Declare.
1977         * alias.c (record_alias_subset): Make global.
1978
1979 2009-02-10  Nick Clifton  <nickc@redhat.com>
1980
1981         * tree-parloops.c: Change license to GPLv3.
1982         * ipa-struct-reorg.c: Change license to GPLv3.
1983         * ipa-struct-reorg.h: Change license to GPLv3.
1984
1985 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
1986
1987         PR c/39084
1988         * c-decl.c (start_struct): Return NULL on error.
1989
1990 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
1991
1992         PR middle-end/39124
1993         * cfgloopmanip.c (remove_path): Call remove_bbs after
1994         cancel_loop_tree, not before it.
1995
1996         PR target/39139
1997         * function.h (struct function): Add has_local_explicit_reg_vars bit.
1998         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1999         VAR_DECLs were seen.
2000         * tree-ssa-live.c (remove_unused_locals): Recompute
2001         cfun->has_local_explicit_reg_vars.
2002         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
2003         copies or clearings if cfun->has_local_explicit_reg_vars.
2004
2005 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
2006
2007         PR target/39118
2008         * config/i386/i386.c (expand_prologue): Emit blockage at the end
2009         of function prologue when frame pointer is used to access
2010         red zone area.
2011
2012 2009-02-10  Richard Guenther  <rguenther@suse.de>
2013
2014         PR middle-end/39127
2015         * gimplify.c (gimple_regimplify_operands): Always look if
2016         we need to create a temporary.
2017
2018 2009-02-10  Richard Guenther  <rguenther@suse.de>
2019
2020         PR tree-optimization/39132
2021         * tree-loop-distribution.c (todo): New global var.
2022         (generate_memset_zero): Trigger TODO_rebuild_alias.
2023         (tree_loop_distribution): Return todo.
2024
2025 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
2026
2027         PR target/39119
2028         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
2029         (x86_64_reg_class_name): Removed.
2030         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
2031         first one isn't X86_64_SSE_CLASS or any other ones aren't
2032         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
2033         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
2034         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
2035         and 3 X86_64_SSEUP_CLASS.
2036         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
2037         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
2038
2039 2009-02-10  Ben Elliston  <bje@au.ibm.com>
2040
2041         * config/rs6000/rs6000.md (allocate_stack): Always use an update
2042         form instruction to update the stack back chain word, even if the
2043         user has disabled the generation of update instructions.
2044         (movdi_<mode>_update_stack): New.
2045         (movsi_update_stack): Likewise.
2046         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
2047         always use an update form instruction to update the stack back
2048         chain word.
2049
2050 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
2051
2052         PR middle-end/38953
2053         * graphite.c (if_region_set_false_region): After moving a region in
2054         the false branch of a condition, remove the empty dummy basic block.
2055         (gloog): Remove wrong fix for PR38953.
2056
2057 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2058
2059         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
2060         generation due to implicit sign extension.
2061
2062 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
2063
2064         PR middle-end/38981
2065         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
2066         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
2067
2068 2009-02-09  Richard Guenther  <rguenther@suse.de>
2069
2070         PR middle-end/35202
2071         * convert.c (convert_to_real): Disable (float)fn((double)x)
2072         to fnf(x) conversion if errno differences may occur and
2073         -fmath-errno is set.
2074
2075 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
2076
2077         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
2078         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2079         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2080
2081 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
2082
2083         PR c/35434
2084         * c-common.c (handle_alias_attribute): Disallow attribute for
2085         anything not a FUNCTION_DECL or VAR_DECL.
2086
2087 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
2088
2089         PR c/39035
2090         * real.c (do_compare): Special-case compare of zero against
2091         decimal float value.
2092
2093 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
2094
2095         PR c/36432
2096         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
2097         as indicating flexible array members unless the field itself is
2098         being declarared as the incomplete array.
2099
2100 2009-02-06  Jan Hubicka  <jh@suse.cz>
2101
2102         PR tree-optimization/38844
2103         * ipa-inline.c (try_inline): Stop inlining recursion when edge
2104         is already inlined.
2105
2106 2009-02-06  Richard Guenther  <rguenther@suse.de>
2107
2108         PR middle-end/38977
2109         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
2110         fork because we may expand it as __gcov_fork.
2111
2112 2009-02-06  Nick Clifton  <nickc@redhat.com>
2113
2114         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
2115
2116 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
2117
2118         PR tree-optimization/35659
2119         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
2120         vn_phi_eq): Shortcut if hashcode does not match.
2121         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
2122         NULL operands.
2123         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
2124         and avoid iterative_hash_expr.
2125         (FOR_EACH_VALUE_ID_IN_SET): New.
2126         (value_id_compare): Remove.
2127         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
2128         sort expressions by value id.
2129
2130 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
2131
2132         PR target/38991
2133         * config/sh/predicates.md (general_movsrc_operand): Don't check
2134         the subreg of system registers here.
2135
2136 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
2137
2138         PR c++/39106
2139         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
2140         on the copied decl.
2141
2142 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
2143
2144         PR rtl-optimization/39110
2145         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
2146         addresses, not aligned ones.
2147
2148 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
2149             Richard Guenther  <rguenther@suse.de>
2150
2151         PR tree-optimization/39100
2152         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
2153         comment says and add edges.
2154
2155 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
2156
2157         PR c/35435
2158         * c-common.c (handle_tls_model_attribute): Ignore attribute for
2159         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
2160
2161 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
2162
2163         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
2164         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
2165         register_bb_in_sese, new_sese, free_sese): Moved.
2166         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
2167         outermost_loop_in_scop, build_scop_iteration_domain,
2168         expand_scalar_variables_ssa_name, get_vdef_before_scop,
2169         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
2170         Use loop_in_sese_p instead of loop_in_scop_p.
2171         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
2172         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
2173         (scopdet_basic_block_info): Fix bug in scop detection.
2174         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
2175         eq_loop_to_cloog_loop): Remove.
2176         (nb_loops_around_loop_in_scop, nb_loop
2177         ref_nb_loops): Moved here...
2178         * graphite.h (ref_nb_loops): ... from here.
2179         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
2180         (loop_domain_dim, loop_iteration_vector_dim): Remove.
2181         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
2182         * testsuite/gcc.dg/graphite/scop-19.c: New
2183
2184 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
2185             Hans-Peter Nilsson  <hp@axis.com>
2186
2187         PR rtl-optimization/37889
2188         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
2189         Move offset handling from PLUS to before the switch.  Use new
2190         arguments when considering SYMBOL_REFs too.
2191         (rtx_addr_can_trap_p): Pass dummy offset and size.
2192         (enum may_trap_p_flags): Remove.
2193         (may_trap_p_1): Pass size from MEM_SIZE.
2194
2195         PR rtl-optimization/38921
2196         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
2197         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
2198         * rtlanal.c (may_trap_after_code_motion_p): Delete.
2199         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
2200
2201 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
2202
2203         AVX Programming Reference (January, 2009)
2204         * config/i386/sse.md (*vpclmulqdq): New.
2205
2206 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
2207
2208         PR tree-optimization/38977
2209         PR gcov-profile/38292
2210         * calls.c (special_function_p): Disregard __builtin_ prefix.
2211
2212 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
2213
2214         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
2215         non-indexable addresses even before reload.
2216
2217 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
2218
2219         PR c/29129
2220         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
2221         as having variable size.  Do not give an error for unnamed
2222         parameters with [*] declarators.  Give a warning for type names
2223         with [*] declarators and mark them as variable size.
2224         * c-parser.c (c_parser_sizeof_expression): Do not give an error
2225         for sizeof applied to [*] type names.
2226
2227 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2228
2229         PR C++/36607
2230         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
2231
2232 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
2233
2234         * gcc.c (process_command): Update copyright notice dates.
2235         * gcov.c (print_version): Likewise.
2236         * gcov-dump.c (print_version): Likewise.
2237         * mips-tfile.c (main): Likewise.
2238         * mips-tdump.c (main): Likewise.
2239
2240 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
2241
2242         PR c/35433
2243         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
2244         for composite type involving a zero-length array type.
2245
2246 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
2247
2248         PR target/35318
2249         * function.c (match_asm_constraints_1): Skip over
2250         initial optional % in the constraint.
2251
2252         PR inline-asm/39059
2253         * c-parser.c (c_parser_postfix_expression): If fixed point is not
2254         supported, don't accept FIXED_CSTs.
2255         * c-decl.c (finish_declspecs): Error if fixed point is not supported
2256         and _Sat is used without _Fract/_Accum.  Set specs->type to
2257         integer_type_node for cts_fract/cts_accum if fixed point is not
2258         supported.
2259
2260 2009-02-02  Catherine Moore  <clm@codesourcery.com>
2261
2262         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
2263
2264 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
2265
2266         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
2267         (ABI_HAS_64BIT_SYMBOLS): Use it.
2268         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
2269
2270 2009-02-02  Paul Brook  <paul@codesourcery.com>
2271
2272         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
2273
2274 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
2275
2276         PR inline-asm/39058
2277         * recog.h (asm_operand_ok): Add constraints argument.
2278         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
2279         recurse on matching constraint.
2280         (check_asm_operands): Pass constraints as 3rd argument to
2281         asm_operand_ok.  Don't look up matching constraint here.
2282         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
2283         to asm_operand_ok.
2284
2285 2009-02-02  Ben Elliston  <bje@au.ibm.com>
2286
2287         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
2288         TARGET_NARROW_VOLATILE_BITFIELD macro names.
2289
2290 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2291
2292         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
2293         information.  Remove some obsolete information.  Reorganize.
2294
2295         * config/pa/fptr.c: Revert license to GPL 2.
2296         * config/pa/milli64.S: Likewise.
2297
2298 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
2299
2300         PR target/38904
2301         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
2302         LIBRARY name in, instead of hard-coding it.
2303         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
2304         extra target make frag to tmake_files according to EH model.
2305         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
2306         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
2307         frags that define makefile variable EH_MODEL appropriately.
2308         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
2309         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
2310         to "-sjlj" according to type of EH configured.
2311         (LIBGCC_SONAME):  Concatenate it to shared library base name.
2312         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
2313         to "_sjlj" according to type of EH configured.
2314         (LIBGCC_SONAME):  Concatenate it to shared library base name.
2315         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
2316         (SHLIB_LINK):  Add missing semicolon to if-else construct.
2317         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
2318         string value of "pe_dll" command-line option.
2319         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
2320         (SHLIB_SONAME):  Use it when overriding t-cygming default.
2321         (SHLIB_IMPLIB):  Override t-cygming default.
2322         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
2323         string value of "pe_dll" command-line option.
2324
2325 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
2326
2327         PR target/38952
2328         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
2329         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
2330
2331 2009-01-31  Richard Guenther  <rguenther@suse.de>
2332
2333         PR tree-optimization/38937
2334         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
2335         computing the transitive closure.
2336
2337 2009-01-30  Richard Guenther  <rguenther@suse.de>
2338
2339         PR tree-optimization/39041
2340         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2341         Propagate variable indices only if the types match for this stmt.
2342
2343 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
2344
2345         PR target/39013
2346         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
2347         inline but never defined.
2348
2349 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
2350
2351         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
2352         (*insv_h_di_reg_extimm): New insn.
2353         (*insv_l<mode>_reg_extimm): New insn.
2354
2355 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
2356
2357         * config/picochip/picochip.c (flag_conserve_stack): set
2358         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
2359         fconserve-stack. Reduce call-overhead used by inliner.
2360
2361 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
2362
2363         PR/38157
2364         * common.opt (flag_conserve_stack): Initialised to zero.
2365
2366 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
2367
2368         PR/39002
2369         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
2370         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
2371         method.
2372
2373 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
2374
2375         * ira-color.c (allocno_reload_assign): Update comments.
2376         * regmove.c (regmove_optimize): Likewise.
2377
2378         * ra.h: Removed.
2379
2380 2009-01-29  Robert Millan  <rmh@aybabtu.com>
2381
2382         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
2383         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
2384         `MD_UNWIND_SUPPORT'.
2385         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
2386
2387 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
2388
2389         PR tree-optimization/39007
2390         * tree-loop-distribution.c (generate_builtin): Use
2391         recompute_dominator to compute the immediate dominator of the
2392         basic block just after the loop.
2393
2394 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2395
2396         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
2397         (ASM_OUTPUT_DWARF_PCREL): Define.
2398
2399 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
2400
2401         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
2402         * doc/passes.texi: Remove entries about regclass, local-alloc, and
2403         global.  Modify entries about regmove and IRA.
2404
2405         * ra-conflict.c: Remove the file.
2406
2407         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
2408
2409         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
2410         (pass_regclass_init): Rename to pass_reginfo_init.
2411
2412         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
2413
2414         * toplev.h (flag_ira): Remove.
2415
2416         * caller-save.c (setup_save_areas): Remove flag_ira.
2417
2418         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
2419
2420         * global.c: Remove the file.
2421
2422         * opts.c: (decode_options): Remove flag_ira.
2423
2424         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
2425
2426         * regmove.c: Modify file description.
2427         (find_use_as_address, try_auto_increment): Define them only if
2428         AUTO_INC_DEC is defined.
2429         (replacement_quality, replace_in_call_usage, fixup_match_1,
2430         stable_and_no_regs_but_for_p): Remove.
2431         (reg_set_in_bb): Make it static.
2432         (regmove_optimize): Remove flag_ira and code which worked for
2433         !flag_ira.
2434
2435         * local-alloc.c: Remove the file.
2436
2437         * common.opt (fira): Remove.
2438
2439         * ira.c: Include except.h.
2440         (eliminable_regset): Move from global.c.
2441         (mark_elimination): Ditto.  Remove flag_ira.
2442         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
2443         equiv_mem_modified, validate_equiv_mem_from_store,
2444         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
2445         contains_replace_regs, memref_referenced_p, memref_used_between_p,
2446         no_equiv, recorded_label_ref): Move from local-alloc.c.
2447         (update_equiv_regs): Ditto.  Make it static.
2448         (print_insn_chain, print_insn_chains): Move it from global.c.
2449         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
2450         (build_insn_chain): Ditto.  Make it static.
2451         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
2452         Rename to init_live_subregs.
2453         (gate_ira): Remove flag_ira.
2454
2455         * regclass.c: Rename reginfo.c.  Change file description.
2456         (FORBIDDEN_INC_DEC_CLASSES): Remove.
2457         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
2458         (init_reg_sets_1): Remove code for evaluation of
2459         reg_class_superclasses and losing_caller_save_reg_set.
2460         (init_regs): Remove init_reg_autoinc.
2461         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
2462         ok_for_base_p_nonstrict): Remove.
2463         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
2464         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
2465         corresponding entries.
2466         (dump_regclass, record_operand_costs, scan_one_insn,
2467         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
2468         record_address_regs, auto_inc_dec_reg_p): Remove.
2469         (gt-regclass.h): Rename to gt-reginfo.h.
2470
2471         * rtl.h (dump_global_regs, retry_global_alloc,
2472         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
2473
2474         * Makefile.in (RA_H): Remove.
2475         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
2476         Rename regclass.o to reginfo.o.
2477         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
2478         gt-reginfo.h.
2479         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
2480         (GTFILES): Rename regclass.c to reginfo.c.
2481
2482         * passes.c (init_optimization_passes): Remove pass_local_alloc and
2483         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
2484
2485         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2486         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
2487         Remove flag_ira.
2488         (finish_spills): Ditto.  Remove code for !flag_ira.
2489         
2490 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
2491
2492         PR middle-end/35854
2493         * doc/invoke.texi (rtl debug options): Complete rewrite.
2494         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
2495         to auto_inc_dec".
2496         * mode-switching.c (pass_mode_switching): Rename pass from
2497         "mode-sw" to "mode_sw".
2498         * except.c (pass_convert_to_eh_ranges): Rename pass from
2499         "eh-ranges" to "eh_ranges".
2500         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
2501         to "subreg1".
2502                 
2503         
2504 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
2505             Alexander Monakov  <amonakov@ispras.ru>
2506
2507         PR middle-end/38857
2508         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
2509         register.
2510         (move_exprs_to_boundary): Change return type and pass through
2511         should_move from move_op.  Relax assert.  Update usage ...
2512         (schedule_expr_on_boundary): ... here.  Use should_move instead of
2513         cant_move.
2514         (move_op_orig_expr_found): Indicate that insn was disconnected from
2515         stream.
2516         (code_motion_process_successors): Do not call after_merge_succs
2517         callback if original expression was not found when traversing any of
2518         the branches.
2519         (code_motion_path_driver): Change return type.  Update prototype.
2520         (move_op): Update comment.  Add a new parameter (should_move).  Update
2521         prototype.  Set *should_move based on indication provided by
2522         move_op_orig_expr_found.
2523
2524 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
2525
2526         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
2527         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
2528         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
2529         * config/rs6000/rs6000.c (rs6000_override_options): Default
2530         avoid-indexed-addresses on for Power6, off for everything else.
2531         (avoiding_indexed_address_p): New function.
2532         (rs6000_legitimize_address): Use it.
2533         (rs6000_legitimate_address): Likewise.
2534         * config/rs6000/rs6000.md (movXX_updateX): Likewise
2535
2536 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
2537
2538         PR tree-optimization/38997
2539         * tree-loop-distribution.c (generate_memset_zero): Use
2540         POINTER_PLUS_EXPR for a pointer addition.
2541
2542 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
2543
2544         * config/s390/s390.md (bswap<mode>2): New pattern added.
2545
2546 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
2547
2548         * config/s390/s390.md (*tls_load_31): Added type attribute.
2549
2550 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
2551
2552         * config/s390/s390.md: Fix a few comments.
2553
2554 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
2555
2556         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
2557         (*tm<mode>_full): Fixed z10prop attribute.
2558         (*tst<mode>_extimm): Fixed z10prop attribute.
2559         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
2560         (*tstqiCCT_cconly): Fixed z10prop attribute.
2561         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
2562         (*movsi_larl): Fixed z10prop attribute.
2563         (*movsi_zarch): Fixed z10prop attribute.
2564         (*movsi_eas): Fixed z10prop attribute.
2565         (*movhi): Fixed z10prop attribute.
2566         (*movqi): Fixed z10prop attribute.
2567         (*movstrictqi): Fixed z10prop attribute.
2568         (*mov<mode>): Fixed z10prop attribute.
2569         (*movcc): Fixed z10prop attribute.
2570         (*sethighpartdi_64): Fixed z10prop attribute.
2571         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
2572         (*negdi2_sign_cc): Fixed z10prop attribute.
2573         (*negdi2_sign): Fixed z10prop attribute.
2574         (*absdi2_sign_cc): Fixed z10prop attribute.
2575         (*absdi2_sign): Fixed z10prop attribute.
2576         (*negabsdi2_sign_cc): Fixed z10prop attribute.
2577         (*negabsdi2_sign): Fixed z10prop attribute.
2578         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
2579         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
2580         (doloop_si64): Fixed z10prop attribute.
2581         (doloop_si31): Fixed z10prop attribute.
2582         (doloop_long): Fixed z10prop attribute.
2583         (indirect_jump): Fixed z10prop attribute.
2584         (nop): Fixed z10prop attribute.
2585         (main_base_64): Fixed z10prop attribute.
2586         (reload_base_64): Fixed z10prop attribute.
2587
2588 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
2589
2590         PR rtl-optimization/38740
2591         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
2592         if !optimize.
2593         * config/mips/mips.c (mips_reorg): Likewise.
2594
2595 2009-01-28  Richard Guenther  <rguenther@suse.de>
2596
2597         PR tree-optimization/38926
2598         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
2599         with the correct value id to a value.
2600         (do_regular_insertion): Use the value number of edoubleprime
2601         for the value number of the expr.
2602
2603         Revert
2604         2008-08-21  Richard Guenther  <rguenther@suse.de>
2605
2606         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
2607         a PHI ask VN if it is already available.
2608         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
2609         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
2610
2611 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
2612
2613         PR middle-end/38934
2614         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
2615         set to varying whenever max has TREE_OVERFLOW set, similarly
2616         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
2617
2618 2009-01-28  Richard Guenther  <rguenther@suse.de>
2619
2620         PR middle-end/38908
2621         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
2622         uninitialized aggregate uses in call arguments.
2623
2624 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
2625
2626         PR tree-optimization/38984
2627         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
2628         the nothing_id variable if -fno-delete-null-pointer-checks.
2629
2630 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
2631
2632         PR target/38988
2633         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
2634         (set_got_offset_rex64): Ditto.
2635
2636 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2637
2638         PR target/38941
2639         * doc/extend.texi: Improve local variable with asm reg.
2640
2641 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
2642
2643         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
2644         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
2645         was not supplied then set warn_packed_bitfield_compat to the
2646         default value of 1.
2647         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
2648         against 1.
2649
2650 2009-01-27  Richard Guenther  <rguenther@suse.de>
2651
2652         PR tree-optimization/38503
2653         * cfgexpand.c (expand_gimple_basic_block): Ignore
2654         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
2655         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
2656         variables that cannot have TBAA applied.
2657         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
2658         statements.
2659
2660 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
2661
2662         PR middle-end/38969
2663         * calls.c (initialize_argument_information): Do not wrap complex
2664         arguments in SAVE_EXPR.
2665
2666 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
2667
2668         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
2669         (INSTALL_LIBGCC): Revert typo commit.
2670
2671 2009-01-26  Richard Guenther  <rguenther@suse.de>
2672
2673         PR tree-optimization/38745
2674         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
2675         from special handling.
2676
2677 2009-01-26  Richard Guenther  <rguenther@suse.de>
2678
2679         PR tree-optimization/38745
2680         * tree-ssa.c (execute_update_addresses_taken): Do not include
2681         variables that cannot possibly be a register in not_reg_needs.
2682         Do not clear TREE_ADDRESSABLE on vars that may not become
2683         registers.
2684         * tree-ssa.c (update_alias_info_1): Include those in the set
2685         of addressable vars.
2686
2687 2009-01-26  Richard Guenther  <rguenther@suse.de>
2688
2689         PR middle-end/38851
2690         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
2691         * tree-ssa-dse.c: Include langhooks.h
2692         (execute_simple_dse): Remove stores with zero size.
2693
2694 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
2695
2696         PR c/38957
2697         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
2698         as PLUS_EXPR.
2699
2700 2009-01-24  Julian Brown  <julian@codesourcery.com>
2701
2702         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
2703         config/arm/linux-atomic.c.
2704         * config/arm/linux-atomic.c: New.
2705
2706 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
2707
2708         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
2709         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
2710         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
2711
2712 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2713
2714         PR c/38938
2715         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
2716         properly.
2717
2718 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
2719
2720         PR tree-optimization/38953
2721         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2722         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
2723         (gloog): Split the exit of the scop when the scop exit is a loop exit.
2724         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2725         changed the CFG.
2726
2727 2009-01-24  Paul Brook  <paul@codesourcery.com>
2728
2729         * config/arm/neon.md (neon_type): Move to arm.md.
2730         (neon_mov<VSTRUCT>): Add neon_type attribute.
2731         * config/arm/arm.md (neon_type): Move to here.
2732         (conds): Add "unconditioal" and use as default for NEON insns.
2733
2734 2009-01-24  Ben Elliston  <bje@au.ibm.com>
2735
2736         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
2737         void *' warning from -Wc++-compat.
2738         * Makefile.in (dominance.o-warn): Remove.
2739
2740 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
2741
2742         PR tree-optimization/38932
2743         * fold-const.c (fold_unary_ignore_overflow): New.
2744         * tree.h (fold_unary_ignore_overflow): Declare.
2745         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
2746         * tree-ssa-sccvn.c (visit_reference_op_load,
2747         simplify_unary_expression): Likewise.
2748
2749 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
2750
2751         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2752         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
2753         regardless of their type.
2754         * c-common.c (handle_packed_attribute): Don't ignore packed on
2755         bitfields.
2756         * c.opt (Wpacked-bitfield-compat): New warning option.
2757         * stor-layout.c (place_field): Warn if offset of a field changed.
2758         * doc/extend.texi (packed): Mention the ABI change.
2759         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2760         (Warning Options): Add it to the list.
2761
2762 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2763
2764         * c-opts.c (c_common_post_options): Fix a typo in comments.
2765
2766 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
2767
2768         PR middle-end/38615
2769         * gimplify.c (gimplify_init_constructor): Fix promotion of const
2770         variables to static.
2771         * doc/invoke.texi (-fmerge-all-constants): Update description.
2772
2773 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
2774
2775         PR target/38931
2776         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2777         (*movdi_1_rex64): Use type "mmx" for alternative 5.
2778
2779 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
2780
2781         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2782         a word boundary.
2783         (LOCAL_ALIGNMENT): Similarly.
2784
2785 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
2786             Joseph Myers  <joseph@codesourcery.com>
2787
2788         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2789         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2790         * config/arm/arm-tune.md: Regenerate.
2791         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2792         -march=iwmmxt2.
2793
2794 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
2795
2796         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2797         version number to five.
2798
2799 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
2800
2801         PR c++/38930
2802         * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2803         * c-common.c (set_underlying_type): Likewise.
2804         (is_typedef_decl ): Likewise
2805         * tree.h: Likewise
2806         (set_underlying_type): Likewise.
2807         (is_typedef_type): Likewise.
2808
2809 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
2810
2811         PR middle-end/38587
2812         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2813         crossing setjmps.
2814
2815 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
2816
2817         PR bootstrap/37660
2818         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
2819         (LIBGCC_SPEC):  Don't define.
2820         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
2821
2822 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
2823
2824         PR rtl-optimization/38879
2825         * alias.c (base_alias_check): Unaligned access via AND address can
2826         alias all surrounding object types except those with sizes equal
2827         or wider than the size of unaligned access.
2828
2829 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
2830
2831         PR c++/26693
2832         * c-decl.c: (clone_underlying_type): Move this ...
2833         * c-common.c (set_underlying_type): ... here.
2834         Also, make sure the function properly sets TYPE_STUB_DECL() on
2835         the newly created typedef variant type.
2836         (is_typedef_decl ): New entry point.
2837         * tree.h: Added a new member member_types_needing_access_check to
2838         struct tree_decl_non_common.
2839         (set_underlying_type): New entry point.
2840         (is_typedef_type): Likewise.
2841
2842 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
2843
2844         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2845         Check whether two instructions have memory references that
2846         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
2847         are helper functions for traversing.
2848         * alias.h (insn_alias_sets_confilict_p): New prototypes.
2849         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2850         not to draw dependency edge for instructions with non-conflicting
2851         alias sets.
2852
2853 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
2854
2855         PR other/38758
2856         * longlong.h: Update copyright years.  Use soft-fp license notice.
2857         Sync __clz_tab declaration with glibc.
2858
2859 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
2860
2861         PR target/30687
2862         * doc/extend.texi (syscall_linkage): New.
2863         (version_id): Modify.
2864
2865 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2866             Richard Guenther  <rguenther@suse.de>
2867
2868         PR tree-optimization/38747
2869         PR tree-optimization/38748
2870         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2871         conversion if the base address is an indirect reference and the
2872         aliasing sets could cause issues.
2873
2874 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2875
2876         * common.opt (fgraphite, fgraphite-identity): Add comment for 
2877         explaining why these options are not documented.
2878
2879 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2880
2881         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2882         gimple_call_lhs is NULL.
2883
2884 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
2885
2886         PR target/38868
2887         * emit-rtl.c (adjust_address_1): Make sure memref is never
2888         overwritten.
2889
2890 2009-01-20  Ben Elliston  <bje@au.ibm.com>
2891
2892         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2893         const qualifier from arg parameter. Remove unnecessary cast to char *.
2894         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2895         const qualifier from arg 2.
2896
2897 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
2898
2899         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2900
2901 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2902
2903         PR c/38869
2904         * rtl.h (reinit_regs): New prototype.
2905         * regclass.c: Include ira.h.
2906         (reinit_regs): New.
2907         * Makefile.in (regclass.o): Add ira.h.
2908         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2909
2910 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
2911
2912         PR target/38736
2913         * c-common.c (handle_aligned_attribute): Use
2914         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2915         default alignment value.
2916
2917         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2918
2919         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2920         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2921
2922         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
2923         __BIGGEST_ALIGNMENT__.
2924
2925         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2926
2927 2009-01-18  Richard Guenther  <rguenther@suse.de>
2928
2929         PR tree-optimization/38819
2930         * tree-flow.h (operation_could_trap_helper_p): Declare.
2931         * tree-eh.c (operation_could_trap_helper_p): Export.
2932         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2933         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2934         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2935         are about to insert a possibly trapping instruction and fail
2936         in this case.
2937
2938 2009-01-18  Andreas Schwab  <schwab@suse.de>
2939
2940         * doc/install.texi (Configuration): Remove obsolete paragraph
2941         about use of --with-gnu-ld with --with-gnu-as.
2942
2943 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
2944
2945         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2946         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2947         Follow spelling conventions.
2948
2949 2009-01-18  Ben Elliston  <bje@au.ibm.com>
2950
2951         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2952         C++ warning about implicit conversion from void * to struct
2953         bitmap_head_def *.
2954         (bitmap_obstack_free): Likewise for bitmap_element *.
2955         * Makefile.in (bitmap.o-warn): Remove.
2956
2957 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
2958
2959         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
2960
2961 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
2962             Tobias Grosser  <tobi.grosser@amd.com>
2963
2964         * graphite.c (graphite_trans_scop_block): Do not block single
2965         nested loops.
2966
2967 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
2968
2969         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2970         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2971         test with assertion.
2972
2973 2009-01-16  Richard Guenther  <rguenther@suse.de>
2974
2975         PR tree-optimization/38835
2976         PR middle-end/36227
2977         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2978         and INT + PTR -> (INT)(PTR p+ INT) folding.
2979         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2980
2981 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
2982
2983         PR target/38554
2984         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2985         the subreg from a lowpart subreg if it is also casting the value.
2986
2987 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2988             Tobias Grosser  <tobi.grosser@amd.com>
2989
2990         * graphite.c (compare_prefix_loops): New.
2991         (build_scop_canonical_schedules): Rewritten.
2992         (graphite_transform_loops): Move build_scop_canonical_schedules
2993         after build_scop_iteration_domain.
2994
2995 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2996             Tobias Grosser  <tobi.grosser@amd.com>
2997
2998         * graphite.c (add_conditions_to_domain): Add the loops to 
2999         the dimension of the iteration domain.  Do copy the domain
3000         only when it exists.
3001         (build_scop_conditions_1): Do not call add_conditions_to_domain.
3002         (add_conditions_to_constraints): New.
3003         (can_generate_code_stmt, can_generate_code): Removed.
3004         (gloog): Do not call can_generate_code.
3005         (graphite_transform_loops): Call add_conditions_to_constraints
3006         after building the iteration domain.
3007
3008 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
3009
3010         PR tree-optimization/38789
3011         * tree-ssa-threadedge.c
3012         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
3013         __builtin_constant_p.
3014
3015 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
3016
3017         * dce.c (delete_unmarked_insns): Reversed the order that insns are
3018         examined before deleting them.
3019         
3020 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
3021
3022         * function.c (aggregate_value_p): Correctly extract the function
3023         type from CALL_EXPR_FN lookup.
3024
3025 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
3026
3027         * config/picochip/picochip.c (picochip_override_options): Revert
3028         CFI asm flag disable commited previously.
3029
3030 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3031             Tobias Grosser  <tobi.grosser@amd.com>
3032             Jan Sjodin  <jan.sjodin@amd.com>
3033
3034         * graphite.c (scan_tree_for_params): On substractions negate
3035         all the coefficients of the term.
3036         (clast_to_gcc_expression_red): New.  Handle reduction expressions
3037         of more than two operands.
3038         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3039         (get_vdef_before_scop): Handle also the case of default definitions.
3040
3041 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
3042
3043         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
3044         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
3045         Also use them when walking CALL_INSN_FUNCTION_USAGE.
3046
3047 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
3048             Joey Ye  <joey.ye@intel.com>
3049
3050         PR middle-end/37843
3051         * cfgexpand.c (expand_stack_alignment): Don't update stack
3052         boundary nor check incoming stack boundary here.
3053         (gimple_expand_cfg): Update stack boundary and check incoming
3054         stack boundary here.
3055
3056 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
3057
3058         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
3059         
3060 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
3061
3062         PR rtl-optimization/38245
3063         * calls.c (expand_call): Add stack arguments to
3064         CALL_INSN_FUNCTION_USAGE even for pure calls (when
3065         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
3066         in regs and partially in memory or BLKmode arguments.
3067         (emit_library_call_value_1): Add stack arguments to
3068         CALL_INSN_FUNCTION_USAGE even for pure calls (when
3069         ACCUMULATE_OUTGOING_ARGS).
3070         * dce.c: Include tm_p.h.
3071         (find_call_stack_args): New function.
3072         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
3073         argument.
3074         (mark_insn): Call find_call_stack_args for CALL_Ps.
3075         (prescan_insns_for_dce): Walk insns backwards in bb rather than
3076         forwards.  Allocate and free arg_stores bitmap if needed, pass it
3077         down to deletable_insn_p, don't mark stores set in arg_stores
3078         bitmap, clear the bitmap at the beginning of each bb.
3079         * Makefile.in (dce.o): Depend on $(TM_P_H).
3080
3081 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
3082
3083         PR target/22599
3084         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
3085         to make sure the insn is a conditional test (bug 22599).  Reformat a
3086         few long lines.
3087
3088 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3089
3090         PR middle-end/38431
3091         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3092         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3093         (gloog): Do not call cleanup_tree_cfg.
3094         (graphite_transform_loops): Call cleanup_tree_cfg after all 
3095         scops have been code generated.
3096
3097 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
3098         * doc/gty.texi (Invoking the garbage collector): Added new node
3099         and section documenting ggc_collect.
3100
3101 2009-01-14  Richard Guenther  <rguenther@suse.de>
3102
3103         PR tree-optimization/38826
3104         PR middle-end/38477
3105         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
3106         initialization notes only if we actually emitted a warning.
3107         (intra_create_variable_infos): Add constraints for a result decl
3108         that is passed by hidden reference.
3109         (build_pred_graph): Mark all related variables non-direct on
3110         address-taking.
3111
3112 2009-01-14  Nick Clifton  <nickc@redhat.com>
3113
3114         * ira-conflicts.c: Include addresses.h for the definition of
3115         base_reg_class.
3116         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
3117         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
3118
3119 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
3120
3121         PR target/38811
3122         * Makefile.in (ira-lives.o): Add except.h.
3123
3124         * ira-lives.c: Include except.h.
3125         (process_bb_node_lives): Process can_throw_internal.
3126
3127 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
3128
3129         PR rtl-optimization/38774
3130         * combine.c (simplify_set): When undoing cc_use change, don't do
3131         PUT_CODE on the newly created comparison, but instead put back the
3132         old comparison.
3133
3134 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
3135
3136         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
3137         values.  Remove duplicate arm8 entry.
3138
3139 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3140
3141         PR tree-optimization/38786
3142         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3143         the SSA_NAME case of expand_scalar_variables_expr.
3144         Set the type of an expression to the type of its assign statement.
3145         (expand_scalar_variables_expr): Also gather the scalar computation
3146         used to index the memory access.  Do not pass loop_p.
3147         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
3148         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3149         the gimple_stmt_iterator where it inserts new code.
3150         Do not pass loop_p.
3151         (copy_bb_and_scalar_dependences): Do not pass loop_p.
3152         (translate_clast): Update call to copy_bb_and_scalar_dependences.
3153
3154 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3155
3156         * graphite.h (debug_value): Removed.
3157         * graphite.c (debug_value): Removed.
3158
3159 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
3160
3161         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
3162         ldrd/strd with two 32-bit instructions.
3163
3164 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
3165
3166         * config/arm/arm.c (struct processors): Pass for speed down into
3167         cost helper functions.
3168         (const_ok_for_op): Handle COMPARE and inequality nodes.
3169         (arm_rtx_costs_1): Rewrite.
3170         (arm_size_rtx_costs): Update prototype.
3171         (arm_rtx_costs): Pass speed down to helper functions.
3172         (arm_slowmul_rtx_costs): Rework cost calculations.
3173         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
3174         (arm_9e_rtx_costs): Likewise.
3175
3176 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
3177
3178         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
3179         relocations of local symbols wider than UNITS_PER_WORD are not valid.
3180         (alpha_legitimize_address): Do not split local symbols wider than
3181         UNITS_PER_WORD into HIGH/LO_SUM parts.
3182
3183 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
3184
3185         PR bootstrap/38580
3186         * gcc.c (process_command): Replace call to execvp with calls
3187         to pex_one and exit.
3188
3189 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
3190
3191         PR target/29141
3192         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
3193         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
3194         variant for devices with 3-byte PC.
3195         (__tablejump_elpm__) : New.
3196
3197 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
3198
3199         PR c/32041
3200         * c-parser.c (c_parser_postfix_expression): Allow `->' in
3201         offsetof member-designator, handle it as `[0].'.
3202
3203 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3204
3205         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
3206         function when not using named sections on targets with named sections
3207         if branch distance is less than 262132.
3208
3209 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
3210
3211         * combine.c (combine_instructions):  Recompute
3212         optimize_this_for_speed_p  for each BB in the main combine loop.
3213
3214 2009-01-12  Tomas Bily  <tbily@suse.cz>
3215
3216         PR middlend/38385
3217         * tree-loop-distribution.c (prop_phis): New function.
3218         (generate_builtin): Call prop_phis.
3219         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
3220
3221 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
3222
3223         PR tree-optimization/38807
3224         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
3225         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
3226
3227 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
3228
3229         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
3230         subreg of op0 to the original op0.
3231
3232 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
3233
3234         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
3235         
3236 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
3237
3238         PR debug/7055
3239         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
3240         starting with digits.
3241
3242 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
3243
3244         PR target/38695
3245         * config/arm/arm.c (arm_is_long_call_p): Don't call
3246         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
3247
3248 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
3249
3250         * regrename.c (regrename_optimize): Fix dumping.
3251         (find_oldest_value_reg): Preserve REG_POINTER.
3252         (copy_hardreg_forward_1): Likewise.
3253
3254 2009-01-09  Diego Novillo  <dnovillo@google.com>
3255
3256         * gimple.h (struct gimple_statement_base) <uid>: Document
3257         the restrictions on its use.
3258         (gimple_uid): Tidy.
3259         (gimple_set_uid): Tidy.
3260
3261 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
3262
3263         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
3264         zero guard even if align_bytes != 0 and count is smaller than
3265         size_needed.
3266
3267 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
3268
3269         PR rtl-optimization/38495
3270         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
3271         (add_range_and_copies_from_move_list): Print all added ranges.
3272         Add ranges to memory optimized destination.
3273
3274 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
3275
3276         PR target/38686
3277         PR target/38708
3278         * config/i386/i386.c (override_options): Reject
3279         -mstringop-strategy=rep_8byte with -m32.
3280         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
3281         to 1.  Do count comparison against epilogue_size_needed at compile
3282         time even when count_exp was constant forced into register.  For
3283         size_needed don't jump to epilogue, instead just avoid aligning
3284         and invoke the body algorithm.  If need_zero_guard, add zero guard
3285         even if count is non-zero, but smaller than size_needed + number of
3286         bytes that could be stored for alignment.
3287         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
3288         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
3289         but smaller than size_needed + number of bytes that could be stored
3290         for alignment.  Compare size_needed with epilogue_size_needed instead
3291         of desired_align - align, don't adjust size_needed, pass
3292         epilogue_size_needed to the epilogue expanders.
3293
3294         PR c/35742
3295         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
3296
3297 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3298
3299         * pa.c (last_address): Change to unsigned.
3300         (update_total_code_bytes): Change argument to unsigned.  Don't
3301         check if insn addresses are set.
3302         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
3303         addresses are not set.
3304         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
3305
3306 2009-01-09  Nick Clifton  <nickc@redhat.com>
3307
3308         * config/sh/symbian.c: Replace uses of DECL_INLINE with
3309         DECL_DECLARED_INLINE_P.
3310
3311 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
3312
3313         PR middle-end/38347
3314         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
3315         GET_MODE (op0) in operand_subword_force calls.
3316
3317         PR middle-end/38771
3318         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
3319         fold_convert arg0 operands to TREE_TYPE (op0) first.
3320
3321 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
3322
3323         * params.def (ira-max-conflict-table-size): Decrease default value
3324         to 1000.
3325
3326 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
3327
3328         PR tree-optimization/37031
3329         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
3330         on parameter_set.
3331         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
3332         allocate it using gc instead of heap, use VEC_quick_push instead of
3333         VEC_safe_push.
3334         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
3335         instead of heap, use VEC_quick_push instead of VEC_safe_push.
3336         * tree-data-ref.h (struct access_matrix): Change matrix to gc
3337         allocated vector from heap allocated.
3338         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
3339         * tree-loop-linear.c (linear_transform_loops): Allocate nest
3340         vector only after perfect_loop_nest_depth call.
3341
3342 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3343             Jan Sjodin  <jan.sjodin@amd.com>
3344
3345         PR tree-optimization/38559
3346         * graphite.c (debug_value, copy_constraint,
3347         swap_constraint_variables, scale_constraint_variable, ): New.
3348         (get_lower_bound, get_upper_bound): Removed.
3349         (graphite_trans_bb_strip_mine): Clean up this code that works
3350         only for constant number of iterations.  Fully copy upper and
3351         lower bound constraints, not only the constant part of them.
3352         * graphite.h (debug_value): Declared.
3353
3354 2009-01-08  Ira Rosen  <irar@il.ibm.com>
3355
3356         PR tree-optimization/37194
3357         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
3358         Don't add the cost of cost model guard in prologue to scalar 
3359         outside cost in case of known number of iterations.
3360
3361 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
3362             Alan Modra  <amodra@bigpond.net.au>
3363
3364         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
3365         non-word-aligned REG+CONST addressing.
3366
3367 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
3368
3369         PR target/38706
3370         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
3371         free_after_compilation when outputting a thunk.
3372         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
3373         Do not call free_after_compilation here.
3374
3375 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
3376
3377         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
3378         (ix86_valid_target_attribute_inner_p): Ditto.
3379
3380 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
3381
3382         PR tree-optimization/38492
3383         PR tree-optimization/38498
3384         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3385         * tree-chrec.h (scev_is_linear_expression): Declared.
3386         * graphite.c (graphite_cannot_represent_loop_niter): New.
3387         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3388         (graphite_loop_normal_form): Use gcc_assert.
3389         (scan_tree_for_params): Use CASE_CONVERT.
3390         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3391         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3392         Use gcc_assert.  Discard scops that contain unhandled cases.
3393         (build_scop_conditions): Return a boolean status for unhandled cases.
3394         (strip_mine_profitable_p): Print the loop number, not its depth.
3395         (is_interchange_valid): Pass the depth of the loop nest, don't
3396         recompute it wrongly.
3397         (graphite_trans_bb_block): Same.
3398         (graphite_trans_bb_block): Print tentative of loop blocking.
3399         (graphite_trans_scop_block): Do not print that the loop has been
3400         blocked.
3401         (graphite_transform_loops): Do not handle scops that contain condition
3402         scalar phi nodes.
3403
3404 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
3405
3406         AVX Programming Reference (December, 2008)
3407         * config/i386/avxintrin.h (_mm256_stream_si256): New.
3408         (_mm256_stream_pd): Likewise.
3409         (_mm256_stream_ps): Likewise.
3410
3411         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
3412         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
3413         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
3414         (bdesc_special_args): Add __builtin_ia32_movntdq256,
3415         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
3416         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
3417         (ix86_expand_special_args_builtin): Likewise.
3418
3419         * config/i386/sse.md (AVXMODEDI): New.
3420         (avx_movnt<mode>): Likewise.
3421         (avx_movnt<mode>): Likewise.
3422         (<sse>_movnt<mode>): Remove AVX support.
3423         (sse2_movntv2di): Likewise.
3424
3425 2009-01-07  Richard Guenther  <rguenther@suse.de>
3426
3427         PR middle-end/38751
3428         * fold-const.c (extract_muldiv): Remove obsolete comment.
3429         (fold_plusminus_mult_expr): Undo MINUS_EXPR
3430         to PLUS_EXPR canonicalization for the canonicalization.
3431
3432 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
3433
3434         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
3435         hosted cross-compilers generating less efficient code.
3436
3437 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
3438
3439         * function.h (rtl_data): Add a dbr_scheduled_p field.
3440         * reorg.c (dbr_schedule): Set it.
3441         (gate_handle_delay_slots): Check it.
3442         * config/mips/mips.c (mips_base_delayed_branch): Delete.
3443         (mips_reorg): Check flag_delayed_branch instead of
3444         mips_base_delayed_branch.
3445         (mips_override_options): Don't set mips_base_delayed_branch
3446         or flag_delayed_branch.
3447
3448 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
3449
3450         PR rtl-optimization/38426.
3451         * ira.c (ira): Set current_function_is_leaf earlier.
3452
3453 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
3454
3455         PR rtl-optimization/38722
3456         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
3457         too early, only set a flag and modify after last possible
3458         undo_all point.
3459
3460 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
3461
3462         PR c/34252
3463         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
3464         * real.c (decimal_single_format): Correct values of emin and emax.
3465         (decimal_double_format): Ditto.
3466         (decimal_quad_format): Ditto.
3467         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
3468         computation of DECnn_MIN and DECnn_MAX for corrected values of
3469         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
3470         __DECnn_MIN__, and adjust its computation for the corrected value
3471         of emin.
3472
3473 2009-01-06  Jan Hubicka  <jh@suse.cz>
3474
3475         PR target/38744
3476         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
3477
3478 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
3479
3480         * doc/contrib.texi (Contributors): Slightly adjust the end note.
3481         Add Robert Clark to the list of testers.
3482
3483 2009-01-06  Jan Hubicka  <jh@suse.cz>
3484             Kai Tietz  <kai.tietz@onevision.com>
3485
3486         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
3487         * config/i386/i386.c (ix86_expand_call): Add clobbers.
3488
3489 2009-01-06  Jan Hubicka  <jh@suse.cz>
3490             Kai Tietz  <kai.tietz@onevision.com>
3491
3492         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
3493         for w64 ABI.
3494         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
3495         (ix86_nsaved_regs): Count only general purpose regs.
3496         (ix86_nsaved_sseregs): New.
3497         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
3498         to 16 for w64; compute padding and size of sse reg save area.
3499         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
3500         general purpose regs.
3501         (ix86_emit_save_sse_regs_using_mov): New.
3502         (ix86_expand_prologue): Save SSE regs if needed.
3503         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
3504         (ix86_emit_restore