OSDN Git Service

* regmove.c (perhaps_ends_bb_p): Remove.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
2
3         * regmove.c (perhaps_ends_bb_p): Remove.
4         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
5         from INSN and check that the main loop stays within that basic block.
6         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
7         (regmove_forward_pass): Split out from regmove_optimize.  Use
8         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
9         (regmove_backward_pass): Split out from regmove_optimize.  Use
10         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
11         (regmove_optimize): Simplify.
12
13 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
14
15         PR target/39545
16         * config/i386/i386.c (classify_argument): Ignore flexible array
17         member in struct and warn ABI change.
18
19 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
20
21         * config/i386/i386-protos.h (ix86_agi_dependent): New.
22
23         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
24         (ix86_adjust_cost): Updated.
25
26 2009-03-29  Jan Hubicka  <jh@suse.cz>
27
28         PR middle-end/28850
29         * tree-pass.h (pass_cleanup_eh): New function.
30         (remove_unreachable_regions): Break code handling RTL
31         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
32         that can not be reached by runtime.
33         (can_be_reached_by_runtime): New function.
34         (label_to_region_map): New function.
35         (num_eh_regions): New function.
36         (rtl_remove_unreachable_regions): New function.
37         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
38         (remove_eh_region): New function.
39         * except.h: Include sbitmap and vecprim.
40         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
41         num_eh_regions): Declare.
42         * passes.c (init_optimization_passes): Schedule cleanup_eh.
43         * Makefile.in (EXCEPT_H): New; replace all uses of except.h
44         by it.
45         * tree-eh.c (tree_remove_unreachable_handlers): New function.
46         (tree_empty_eh_handler_p): New function.
47         (cleanup_empty_eh): New function.
48         (cleanup_eh): New function.
49         (pass_cleanup_eh): New function.
50
51 2009-03-29  Jan Hubicka  <jh@suse.cz>
52
53         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
54         for removed regions.
55
56 2009-03-29  Jan Hubicka  <jh@suse.cz>
57
58         * except.c (dump_eh_tree): Dump all datastructures.
59
60 2009-03-29  Jan Hubicka  <jh@suse.cz>
61
62         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
63         (duplicate_eh_regions_1): Likewise.
64         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
65         vector; call EH verification.
66         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
67         Be ready for region being removed.
68
69 2009-03-29  Jan Hubicka  <jh@suse.cz>
70
71         * bitmap.c (bitmap_last_set_bit): New function.
72         * bitmap.h (bitmap_last_set_bit): Declare.
73
74 2009-03-29  David Ayers  <ayers@fsfe.org>
75
76         PR objc/27377
77         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
78         by calling objc_compare_types and surpress warnings about
79         incompatible C pointers that are compatible ObjC pointers.
80         
81 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
82
83         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
84         call initialize_inline_failed.
85         (initialize_inline_failed): Move it from here ...
86         * cgraph.c (initialize_inline_failed): ... to here.
87         (cgraph_create_edge): Call initialize_inline_failed rather than
88         setting inline_failed directly.
89
90 2009-03-29  Ben Elliston  <bje@au.ibm.com>
91
92         PR target/32542
93         * sysv4.opt (msdata): Improve comment.
94         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
95         * sysv4.h (SVR4_ASM_SPEC): Likewise.
96
97 2009-03-29  Ben Elliston  <bje@au.ibm.com>
98
99         PR target/30451
100         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
101         load and store attributes.
102
103 2009-03-29  Ben Elliston  <bje@au.ibm.com>
104
105         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
106         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
107         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
108         * doc/extend.texi (X86 Built-in Functions): Add index entries for
109         __builtin_infq and __builtin_huge_valq.
110
111 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
112
113         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
114         atmega8m1 devices.
115         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
116         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
117
118 2009-03-28  Xinliang David Li  <davidxl@google.com>
119
120         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. 
121         (do_dbg_cnt): New function.
122
123 2009-03-28  Jan Hubicka  <jh@suse.cz>
124
125         Merge from pretty-ipa:
126
127         2009-03-27  Jan Hubicka  <jh@suse.cz>
128         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
129         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
130         * passes.c (function_called_by_processed_nodes_p): New.
131         * ipa-pure-const.c (check_call): Fix handling of operands.
132         (analyze_function): Dump debug output for skipped bodies.
133         (local_pure_const): Use function_called_by_processed_nodes_p.
134         * dwarf2out.c (reference_to_unused): Use output.
135         * passes.c (do_per_function_toporder): Likewise.
136
137         2008-11-12  Jan Hubicka  <jh@suse.cz>
138
139         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
140         * ipa-pure-const.c (funct_state_d): Add can throw field; make
141         state_set_in_source enum
142         (check_decl): Ignore memory tags; do not set fake looping flags;
143         dump diagnostics.
144         (check_operand, check_tree, check_rhs_var, check_lhs_var,
145         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
146         (check_call, analyze_function): Rewrite.
147         (check_stmt): New.
148         (add_new_function): Update call of analyze_function.
149         (generate_summary): Add call of analyze_function.
150         (propagate): Propagate can_throw; handle state_set_in_source correctly.
151         (local_pure_const): New function.
152         (pass_local_pure_const): New pass.
153         * ipa-inline.c (inline_transform): Set after_inlining.
154         * tree-eh.c (stmt_can_throw_external): New.
155         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
156         work with aliasing built.
157         * tree-flow.h (stmt_can_throw_external): New.
158         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
159         and local pure/const pass in early and late optimization queue.
160 2009-03-28  Martin Jambor  <mjambor@suse.cz>
161
162         * fold-const.c (get_pointer_modulus_and_residue): New parameter
163         allow_func_align.
164         (fold_binary): Allow function decl aligment consideration is the
165         second argument is integer constant one.
166         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
167         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
168         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
169
170 2009-03-28  Jan Hubicka  <jh@suse.cz>
171
172         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
173         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
174         * function.h (rtl_data): Add nothrow flag.
175         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
176         set DECL_NOTHROW for AVAILABLE functions.
177
178 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
179
180         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
181         following vector keyword has expansion starting with pixel or bool
182         keyword, expand vector to __vector and pixel or bool to __pixel or
183         __bool.
184
185         PR c++/39554
186         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
187         warn_if_disallowed_function_p): Removed.
188         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
189         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
190         warning_if_disallowed_function_p.
191         * flags.h (warn_if_disallowed_function_p,
192         warn_disallowed_functions): Removed.
193         * common.opt (Wdisallowed-function-list=): Removed.
194         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
195
196 2009-03-28  Richard Guenther  <rguenther@suse.de>
197
198         PR tree-optimization/38723
199         * tree-ssa-pre.c (compute_avail): Add all default definitions to
200         the entry block.
201
202 2009-03-28  Jan Hubicka  <jh@suse.cz>
203
204         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
205         test introduced by my previous patch.
206
207 2009-03-28  Richard Guenther  <rguenther@suse.de>
208
209         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
210         the PHIs value undefined.
211
212 2009-03-28  Jan Hubicka  <jh@suse.cz>
213
214         * tree-pass.h (pass_fixup_cfg): New pass.
215         * ipa-inline.c (inline_transform): Set
216         always_inline_functions_inlined/after_inlining.
217         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
218         (pass_fixup_cfg): New pass.
219         * passes.c (init_optimization_passes): Add fixup_cfg.
220
221 2009-03-28  Richard Guenther  <rguenther@suse.de>
222
223         PR tree-optimization/38458
224         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
225         argument use the arguments copy-of value.
226
227 2009-03-28  Richard Guenther  <rguenther@suse.de>
228
229         PR tree-optimization/38180
230         * tree-ssa-ccp.c (get_default_value): Simplify.
231         (likely_value): Likewise.
232         (surely_varying_stmt_p): Properly handle VOP case.
233         (ccp_initialize): Likewise.
234         (ccp_fold): Handle propagating through *&.
235         (fold_const_aggregate_ref): Also handle decls.
236
237 2009-03-28  Jan Hubicka  <jh@suse.cz>
238
239         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
240         * cgraph.h (cgraph_node): Likewise.
241         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
242         (cgraph_reset_node): Use process flag.
243         (cgraph_mark_functions_to_output): Likewise.
244         (cgraph_expand_function): Likewise.
245         (cgraph_expand_all_functions): Likewise.
246         (cgraph_output_in_order): Likewise.
247         * dwarf2out.c (reference_to_unused): Likewise.
248         * passes.c do_per_function_toporder): Likewise.
249
250 2009-03-28  Jan Hubicka  <jh@suse.cz>
251
252         Bring from lto-branch:
253         2008-09-03  Doug Kwan  <dougkwan@google.com>
254
255         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
256         enums instead of reason strings.
257         * cgraph.c (cgraph_create_edge): Same.
258         (cgraph_inline_failed_string): New function.
259         * cgraph.h (cgraph_inline_failed_t): New enum type.
260         (cgraph_inline_failed_string): New prototype.
261         (struct cgraph_edge): Change type of INLINED_FAILED from constant
262         char pointer to cgraph_inline_failed_t.
263         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
264         (cgraph_default_inline_p): Ditto.
265         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
266         to cgraph_inline_failed_t pointer.
267         * cif-code.def: New file.
268         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
269         reason string.
270         (cgraph_check_inline_limits): Change type of REASON to pointer to
271         cgraph_inline_failed_t.  Replace reason strings with enums.
272         (cgraph_default_inline_p): Ditto.
273         (cgraph_recursive_inlining_p): Ditto.
274         (update_caller_keys): Change type of FAILED_REASON to
275         cgraph_inline_failed_t.
276         (cgraph_set_inline_failed): Change type of REASON to pointer to
277         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
278         convert enums to strings for text output.
279         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
280         to be of type cgraph_inline_failed_t.  Replace reason strings with
281         enums.  Call cgraph_inline_failed_string to covert enums
282         to strings for text output.
283         (cgraph_decide_inlining): Replace reason strings with enums.
284         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
285         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
286         for text output.
287         * tree-inline.c (expand_call_inline): Change type of REASON
288         to cgraph_inline_failed_t.  Replace reason strings with enums.
289         Call cgraph_inline_failed_string for text output.
290         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
291         (cgraph.o): Ditto.
292
293 2009-03-28  Jan Hubicka  <jh@suse.cz>
294
295         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
296         cgraph_clone_node): Remove master clone handling.
297         (cgraph_is_master_clone, cgraph_master_clone): Remove.
298         * cgraph.h (master_clone): Remove.
299         (cgraph_is_master_clone, cgraph_master_clone): Remove.
300         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
301         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
302
303 2009-03-28  Jan Hubicka  <jh@suse.cz>
304
305         * cgraph.c (cgraph_function_body_availability): Functions declared
306         inline are always safe to assume that it is not going to be replaced.
307
308 2009-03-28  Richard Guenther  <rguenther@suse.de>
309
310         PR tree-optimization/38513
311         * tree-ssa-pre.c (eliminate): Remove redundant stores.
312         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
313         EXC_PTR_EXPR and FILTER_EXPR.
314         (get_ref_from_reference_ops): Likewise.
315
316 2009-03-28  Richard Guenther  <rguenther@suse.de>
317
318         PR tree-optimization/38968
319         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
320         Use FLOOR_MOD_EXPR to compute misalignment.
321
322 2009-03-28  Richard Guenther  <rguenther@suse.de>
323
324         PR tree-optimization/37795
325         * tree.h (combine_comparisons): Declare.
326         * fold-const.c (combine_comparisons): Export.
327         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
328         comparisons.
329         (ifcombine_iforif): Use combine_comparisons.
330
331 2009-03-28  Jan Hubicka  <jh@suse.cz>
332
333         * tree-eh.c (inlinable_call_p): New function.
334         (make_eh_edges): Use it.
335         (verify_eh_edges): Use it.
336         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
337         * except.c (reachable_next_level): Add inlinable_function argument
338         (sjlj_find_directly_reachable_regions): Update.
339         (add_reachable_handler): Do not set saw_any_handlers.
340         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
341         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
342         Add new inlinable call parameter.
343         (can_throw_internal, can_throw_external): Update.
344         * except.h (can_throw_internal_1, can_throw_external_1,
345         foreach_reachable_handler): Update declaration.
346
347 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
348
349         * config/arm/t-arm-coff, config/h8300/coff.h,
350         config/i386/i386-aout.h, config/i386/i386-coff.h,
351         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
352         config/pdp11/2bsd.h, config/rs6000/aix41.h,
353         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
354         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
355         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
356         sys-types.h: Remove.
357         * Makefile.in: Remove protoize and fixproto support and references
358         in comments.
359         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
360         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
361         Remove.
362         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
363         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
364         unprotoize$(exeext).
365         (rest.encap): Don't depend on $(STMP_FIXPROTO)
366         (.PHONY): Don't depend on proto.
367         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
368         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
369         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
370         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
371         build/gen-protos.o, build/scan.o, xsys-protos.h,
372         build/fix-header$(build_exeext), build/fix-header.o,
373         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
374         stmp-install-fixproto): Remove.
375         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
376         SYSCALLS.c or fixproto files.
377         (install-common): Don't install protoize.
378         (install-headers-tar, install-headers-cpio, install-headers-cp):
379         Don't depend on $(STMP_FIXPROTO).
380         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
381         install fixproto files or write out fixproto settings.
382         (uninstall): Don't uninstall protoize.
383         * config.gcc (use_fixproto): Remove.
384         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
385         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
386         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
387         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
388         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
389         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
390         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
391         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
392         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
393         * config/t-vxworks (STMP_FIXPROTO): Remove.
394         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
395         STMP_FIXPROTO): Remove.
396         * config.in, configure: Regenerate.
397         * crtstuff.c (gid_t, uid_t): Don't undefine.
398         * doc/install.texi: Change m68k-coff to m68k-elf in example.
399         (arm-*-coff, arm-*-aout: Remove target entries.
400         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
401         Remove mention of AIX 4.1.
402         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
403         * doc/invoke.texi (Running Protoize): Remove.
404         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
405         (Protoize Caveats): Remove.
406         * tsystem.h: Update comments on headers assumed to exist.
407
408 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
409
410         * genautomata.c: Add a new year to the copyright.  Add a new
411         reference.
412         (struct insn_reserv_decl): Add comments for member bypass_list.
413         (find_bypass): Remove.
414         (insert_bypass): New.
415         (process_decls): Use insert_bypass.
416         (output_internal_insn_latency_func): Output all bypasses with the
417         same input insn in one switch case.
418
419         * rtl.def (define_bypass): Describe bypass choice.
420         * doc/md.texi (define_bypass): Ditto.
421
422 2009-03-27  Richard Guenther  <rguenther@suse.de>
423
424         * gimplify.c (mark_addressable): Export.
425         * tree-flow.h (mark_addressable): Declare.
426         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
427         * tree-ssa.c (verify_phi_args): Verify that address taken
428         variables have TREE_ADDRESSABLE set.
429
430 2009-03-27  Richard Guenther  <rguenther@suse.de>
431
432         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
433         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
434         Do not mark decls TREE_ADDRESSABLE.
435         (build_fold_addr_expr): Adjust.
436         (fold_addr_expr): Remove.
437         (fold_unary): Use build_fold_addr_expr.
438         (fold_comparison): Likewise.
439         (split_address_to_core_and_offset): Likewise.
440         * coverage.c (tree_coverage_counter_addr): Mark the array decl
441         TREE_ADDRESSABLE.
442         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
443         (gimplify_modify_expr_to_memcpy): Mark source and destination
444         addressable.
445         * omp-low.c (create_omp_child_function): Mark the object decl
446         TREE_ADDRESSABLE.
447         (lower_rec_input_clauses): Mark the var we take the address of
448         TREE_ADDRESSABLE.
449         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
450
451 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
452
453         PR middle-end/39315
454         * cfgexpand.c (expand_one_stack_var_at): Change alignment
455         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
456
457 2009-03-27  Richard Guenther  <rguenther@suse.de>
458
459         PR tree-optimization/39120
460         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
461         constraints.
462         (handle_lhs_call): Process return constraints.  Add escape
463         constraints if necessary.
464         (handle_const_call): Fill out return constraints.  Make nested
465         case more precise.  Avoid consttmp if possible.
466         (handle_pure_call): Fill out return constraints.  Avoid
467         callused if possible.
468         (find_func_aliases): Simplify call handling.
469
470 2009-03-27  Richard Guenther  <rguenther@suse.de>
471
472         PR tree-optimization/39120
473         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
474         as a representative.
475         (solve_graph): Do propagate CALLUSED.
476         (handle_pure_call): Use a scalar constraint from CALLUSED for
477         the return value.
478         (find_what_p_points_to): CALLUSED shall not appear in poins-to
479         solutions.
480
481 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
482
483         PR c/39323
484         * c-common.c (handle_aligned_attribute): Properly check alignment
485         overflow.  Use (1U << i) instead of (1 << i).
486
487         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for
488         align.
489
490         * expr.h (get_mem_align_offset): Updated.
491
492         * tree.h (tree_decl_common): Change align to "unsigned int" and
493         move it before pointer_alias_set.
494
495 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
496             Jakub Jelinek  <jakub@redhat.com>
497
498         PR target/38034
499         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
500         gr_register_operand with gr_reg_or_0_operand.
501         (cmpxchg_rel_di): Likewise.
502         (sync_lock_test_and_set<mode>): Likewise.
503
504 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
505
506         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
507         (true_regnum): Likewise.
508
509         * rtlanal.c (subreg_info): Moved to ...
510         * rtl.h (subreg_info): Here.  New.
511         (subreg_get_info): New.
512
513         * rtlanal.c (subreg_get_info): Make it extern.
514
515 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
516
517         PR target/39472
518         * config/i386/i386.c (ix86_abi): New.
519         (override_options): Handle -mabi=.
520         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with
521         ix86_abi.
522         (ix86_call_abi_override): Likewise.
523         (init_cumulative_args): Likewise.
524         (function_arg_advance): Likewise.
525         (function_arg_64): Likewise.
526         (function_arg): Likewise.
527         (ix86_pass_by_reference): Likewise.
528         (ix86_function_value_regno_p): Likewise.
529         (ix86_build_builtin_va_list_abi): Likewise.
530         (setup_incoming_varargs_64): Likewise.
531         (is_va_list_char_pointer): Likewise.
532         (ix86_init_machine_status): Likewise.
533         (ix86_reg_parm_stack_space): Use enum calling_abi on
534         call_abi.
535         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
536         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
537         (ix86_function_abi): Make it static and return enum
538         calling_abi.
539         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
540         with ix86_abi.
541         (ix86_fn_abi_va_list): Updated.
542
543         * config/i386/i386.h (ix86_abi): New.
544         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
545         (CONDITIONAL_REGISTER_USAGE): Likewise.
546         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
547         (machine_function): Likewise.
548
549         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
550         with ix86_abi.
551         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
552         (STACK_BOUNDARY): Likewise.
553         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
554
555         * config/i386/i386.opt (mabi=): New.
556
557         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
558         return enum calling_abi.
559         (ix86_function_type_abi): Likewise.
560         (ix86_function_abi): Removed.
561
562         * doc/invoke.texi: Document -mabi= option for x86.
563
564 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
565
566         * builtins.c (real_dconstp): Delete.
567         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
568
569 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
570             Jakub Jelinek  <jakub@redhat.com>
571
572         PR debug/37959
573         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
574         (gen_subprogram_die): When a function is explicit, generate the
575         DW_AT_explicit attribute.
576         * langhooks.h (struct lang_hooks_for_decls): Add
577         function_decl_explicit_p langhook.
578         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
579         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
580
581 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
582
583         * builtins.c (fold_builtin_memory_op): Optimize memmove
584         into memcpy if we can prove source and destination don't overlap.
585
586         * tree-inline.c: Include gt-tree-inline.h.
587         (clone_fn_id_num): New variable.
588         (clone_function_name): New function.
589         (tree_function_versioning): Use it.
590         * Makefile.in (GTFILES): Add tree-inline.c.
591
592 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
593
594         * BASE-VER: Change to 4.5.0.
595
596 2009-03-27  Xinliang David Li  <davidxl@google.com>
597
598         PR tree-optimization/39557
599         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
600
601 2009-03-27  Xinliang David Li  <davidxl@google.com>
602
603         PR tree-optimization/39548
604         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy 
605         candidate check.
606
607 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
608
609         * c-common.c (pointer_int_sum): Use %wd on return from
610         tree_low_cst.
611
612 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
613
614         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
615         on return from tree_low_cst.
616
617 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
618
619         PR c++/36799
620         * ginclude/stdarg.h (va_copy): Define also for __GXX_EXPERIMENTAL_CXX0X__.
621
622 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
623
624         PR c++/35652
625         * builtins.h (c_strlen): Do not warn here.
626         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
627         * c-common.c (pointer_int_sum): Take an explicit location.
628         Warn about offsets out of bounds.
629         * c-common.h (pointer_int_sum): Adjust declaration.
630
631 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
632
633         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
634         markup glitch.
635
636 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
637
638         PR c++/39554
639         * opts.c (warn_if_disallowed_function_p): Don't assume
640         get_callee_fndecl must return non-NULL.
641
642 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
643
644         PR rtl-optimization/39522
645         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
646         when reg_reloaded_valid is set.
647
648 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
649
650         * config/spu/divv2df3.c: New file.
651         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
652         (DPBIT_FUNCS): Filter out _div_df.
653
654 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
655
656         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
657         a jump insn, count that jump in the distance to the loop start.
658
659 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
660
661         PR target/39523
662         * config/sh/sh.c (calc_live_regs): Fix condition for global
663         registers except PIC_OFFSET_TABLE_REGNUM.
664
665 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
666
667         PR/39518
668         * doc/invoke.texi (-mconsole): New.
669         (-mcygwin): New.
670         (-mno-cygwin): New.
671         (-mdll): New.
672         (-mnop-fun-dllimport): New.
673         (-mthread): New.
674         (-mwin32): New.
675         (-mwindows): New.
676         (sub section "i386 and x86-64 Windows Options"): New.
677
678 2009-03-25  Ralf Cors├ępius <ralf.corsepius@rtems.org>
679
680         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
681         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
682
683 2009-03-25  Richard Guenther  <rguenther@suse.de>
684
685         PR middle-end/39497
686         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
687         of -Wno-error.
688
689 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
690
691         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
692         neither of haifa/selective schedulers are working.
693
694 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
695
696         * doc/invoke.texi (Debugging Options): Fix description of
697         -fno-merge-debug-strings.
698
699 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
700
701         * config/cris/libgcc.ver: New version-script.
702         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
703
704         * configure.ac <GAS features, nop mnemonic>: Add pattern
705         crisv32-*-* for "nop".
706         <GAS features, Thread-local storage>: Add item for CRIS and
707         CRIS v32.
708         * configure: Regenerate.
709
710 2009-03-24  Ira Rosen  <irar@il.ibm.com>
711
712         PR tree-optimization/39529
713         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
714         mark_sym_for_renaming for the tag copied to the new vector
715         pointer.
716
717 2009-03-24  Arthur Loiret  <aloiret@debian.org>
718
719         * config.host (alpha*-*-linux*): Use driver-alpha.o and
720         alpha/x-alpha.
721         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
722         EXTRA_SPEC_FUNCTIONS.
723         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
724         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
725         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
726         -march and -mtune options.
727
728 2009-03-24  Ralf Cors├ępius <ralf.corsepius@rtems.org>
729
730         * config/m68k/t-rtems: Add m5329 multilib.
731
732 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
733             Jakub Jelinek  <jakub@redhat.com>
734
735         PR debug/39524
736         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
737         nodes.
738
739 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
740
741         PR c/39495
742         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
743         instead of c_parser_expression_conv, if original_code isn't one of the
744         4 allowed comparison codes, fail.
745
746 2009-03-23  Richard Guenther  <rguenther@suse.de>
747
748         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
749         * tree.h (struct tree_type): Likewise.
750         * reload.h (struct insn_chain): Likewise.
751         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
752         * function.h (struct function): Likewise.
753         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
754
755 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
756
757         PR tree-optimization/39516
758         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
759
760 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
761
762         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint 
763         should be set true if BITS_PER_WORD of target is bigger than 32
764
765 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
766
767         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
768         Translate -B-options to -rpath-link.  Correct existing
769         rpath-link and conditionalize on !nostdlib.
770
771 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
772
773         * doc/extend.texi (Function Attributes, Variable Attributes):
774         Fix typos.
775         * doc/invoke.texi (Debugging Options, Optimize Options)
776         (i386 and x86-64 Options, MCore Options): Likewise.
777
778 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
779
780         PR debug/37890
781         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
782         it for block local namespace aliases.
783         (gen_decl_die): Pass context_die to gen_namespace_die.
784
785 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
786
787         PR c/39495
788         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
789         minimum or maximum value.
790
791 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
792
793         * reginfo.c (globalize_reg): Recompute derived reg sets.
794
795 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
796
797         PR target/39063
798         * libgcc2.c (mprotect): Do not use signed arguments for
799         VirtualProtect, use DWORD arguments.  Also fix the 'may
800         be used uninitialized' warning for the np variable.
801
802 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
803
804         PR target/39496
805         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
806         functions using regparm calling conventions when not optimizing.
807         (ix86_function_sseregparm): Similarly for sseregparm calling
808         conventions.
809
810 2009-03-19  Li Feng  <nemokingdom@gmail.com>
811
812         PR middle-end/39500
813         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
814         dependence if the first conflict is after niter iterations.
815
816 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
817
818         PR middle-end/38609
819         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
820         functions with dynamic stack-pointer adjustments.
821
822 2009-03-19  Ben Elliston  <bje@au.ibm.com>
823
824         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
825         option; change to -msdata=data.
826
827 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
828
829         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
830         and -fopenmp.
831
832 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
833
834         PR target/35180
835         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
836
837 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
838
839         * doc/invoke.texi (Code Gen Options): Expand discussion of
840         -fno-common.
841
842 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
843
844         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
845         * matrix-reorg.c (struct matrix_info): Likewise.
846         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
847         * rtl.h (struct mem_attrs): Likewise.
848         * df.h (struct df): Likewise.
849         * tree-data-ref.h (struct data_dependence_relation): Likewise.
850         * ira-int.h (struct ira_allocno): Likewise.
851         * df-scan.c (struct df_collection_rec): Likewise.
852         * ira.c (struct equivalence): Likewise.
853         * function.c (struct temp_slot): Likewise.
854         * cfgloop.h (struct loop): Likewise.
855
856         PR debug/39485
857         * function.c (use_register_for_decl): When not optimizing, disregard
858         register keyword for variables with types containing methods.
859
860 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
861
862         PR middle-end/39447
863         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
864         (is_simple_operand): Call contains_component_ref_p before calling data
865         reference analysis that would fail on COMPONENT_REFs.
866
867         * tree-vrp.c (search_for_addr_array): Fix formatting.
868
869 2009-03-18  Richard Guenther  <rguenther@suse.de>
870
871         * tree-vect-transform.c (vect_loop_versioning): Fold the
872         generated comparisons.
873         * tree-vectorizer.c (set_prologue_iterations): Likewise.
874         (slpeel_tree_peel_loop_to_edge): Likewise.
875
876 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
877
878         PR middle-end/37805
879         * opts.c (print_specific_help): In addition to `undocumented',
880         accept `separate' and `joined' flags if passed alone.  Describe
881         output by the first matched one of those.
882         (common_handle_option): Skip over empty strings.
883         * gcc.c (display_help): Fix help string for `--help='.
884         * doc/invoke.texi (Option Summary, Overall Options): With
885         `--help=', classes and qualifiers can both be repeated, but
886         only the latter can be negated.  One should not pass only
887         negated qualifiers.  Fix markup and examples.
888
889         Revert
890         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
891         PR middle-end/37805
892         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
893         and -fhelp=separate.
894
895 2009-03-17  Jing Yu  <jingyu@google.com>
896
897         PR middle-end/39378
898         * function.h (struct rtl_data): Move is_thunk from here...
899         (struct function): ...to here.
900         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
901         * varasm.c (assemble_start_function): Change is_thunk from crtl to
902         cfun.
903         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
904         cfun.
905         (alpha_does_function_need_gp, alpha_start_function): Likewise.
906         (alpha_output_function_end_prologue): Likewise.
907         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
908         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
909         (rs6000_output_function_epilogue): Likewise.
910         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
911
912 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
913
914         PR target/39482
915         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
916         from different units in a single alternative.
917         (*truncdfsf_i387): Ditto.
918         (*truncxfsf2_mixed): Ditto.
919         (*truncxfdf2_mixed): Ditto.
920
921 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
922
923         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
924         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
925
926         PR debug/39474
927         * tree-ssa-live.c (remove_unused_locals): Don't remove local
928         unused non-artificial variables when not optimizing.
929
930         PR debug/39471
931         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
932         DW_TAG_imported_module even if decl is IMPORTED_DECL with
933         NAMESPACE_DECL in its DECL_INITIAL.
934
935         PR middle-end/39443
936         * optabs.c (set_user_assembler_libfunc): New function.
937         * expr.h (set_user_assembler_libfunc): New prototype.
938         * c-common.c: Include libfuncs.h.
939         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
940         for memcmp, memset, memcpy, memmove and abort.
941         * Makefile.in (c-common.o): Depend on libfuncs.h.
942
943         PR debug/39412
944         * dwarf2out.c (gen_inlined_enumeration_type_die,
945         gen_inlined_structure_type_die, gen_inlined_union_type_die,
946         gen_tagged_type_instantiation_die): Removed.
947         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
948         do nothing.
949
950 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
951
952         PR testsuite/38526
953         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
954         its use.
955         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
956         (check-parallel-%): Ditto.
957         (check-consistency): Ditto.
958
959 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
960
961         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
962         local variable rhs by NULL_TREE.
963
964 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
965
966         PR target/39477
967         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
968
969 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
970
971         PR target/39476
972         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
973
974 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
975
976         PR target/39473
977         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
978         for ms->sysv ABI calls only in 64bit mode.
979
980         * config/i386/i386.md (untyped_call): Support 32bit.
981
982 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
983
984         * doc/extend.texi: Replace x86_65 with x86_64.
985
986 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
987
988         PR tree-optimization/39455
989         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
990         mismatches for POINTER_TYPE_P (type).
991         (number_of_iterations_le): Likewise.
992
993 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
994
995         * config/picochip/picochip.c: Removed profiling support.
996         * config/picochip/picochip.md: Removed profiling instruction.
997         * config/picochip/picochip.h: Removed profiling builtin.
998
999 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
1000
1001         * doc/install.texi (--with-host-libstdcxx): Document.
1002
1003 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
1004
1005         PR target/34299
1006         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
1007         generate a warning if the function name does not begin with
1008         "__vector" and the function has either the 'signal' or 'interrupt'
1009         attribute, from here to ...
1010         (avr_declare_function_name): ...here. New function.
1011         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
1012         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
1013
1014 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
1015
1016         PR bootstrap/39454
1017         * cse.c (fold_rtx): Don't modify original const_arg1 when
1018         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
1019         separate variable instead.
1020         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
1021         from out of range shift counts.
1022         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
1023
1024 2008-03-13  Catherine Moore  <clm@codesourcery.com>
1025
1026         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
1027         diagnostic.h with $(DIAGNOSTIC_H).
1028
1029 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
1030
1031         PR target/39431
1032         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
1033         predicate.
1034         * config/i386/sync.md (sync_compare_and_swap<mode>,
1035         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
1036         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
1037         into a register.
1038         (sync_double_compare_and_swapdi_pic,
1039         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
1040         cmpxchg8b_pic_memory_operand instead of just memory_operand.
1041
1042 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
1043
1044         PR target/39445
1045         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
1046
1047 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
1048
1049         PR target/39327
1050         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1051         (avx_addsubv4df3): Likewise.
1052         (*avx_addsubv4sf3): Likewise.
1053         (sse3_addsubv4sf3): Likewise.
1054
1055 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
1056
1057         PR target/38824
1058         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
1059
1060 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
1061
1062         PR debug/39432
1063         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
1064         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
1065         registers for allocnos created from user-defined variables.
1066
1067 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1068
1069         PR target/39181
1070         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
1071         of non-integer mode as well.
1072
1073 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
1074
1075         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
1076         for functions for which the parameter types are unknown.
1077
1078 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
1079
1080         PR target/39137
1081         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
1082         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
1083         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
1084         * config/i386/i386.c (ix86_local_alignment): For
1085         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
1086         long long variables on the stack to avoid dynamic realignment.
1087         Allow the first argument to be a decl rather than type.
1088         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
1089
1090 2009-03-11  Nick Clifton  <nickc@redhat.com>
1091
1092         PR target/5362
1093         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
1094         options.
1095         Add description to mno-lsim option.
1096         * config/mcore/mcore.h: Remove comment about deprecated m4align
1097         option.
1098         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
1099         * doc/invoke.texi: Add description of mno-lsim and
1100         mstack-increment options.
1101
1102         * config/fr30/fr30.opt: Document the -mno-lsim option.
1103         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
1104         and -mno-lsim options.
1105
1106 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1107
1108         * fold-const.c (fold_comparison): Only call fold_inf_compare
1109         if the mode supports infinities.
1110
1111 2009-03-11  Jason Merrill  <jason@redhat.com>
1112
1113         PR debug/39086
1114         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
1115         end already did.  Notice GIMPLE_CALL modifications of the result.
1116         Don't copy debug information from an ignored decl or a decl from
1117         another function.
1118
1119 2009-03-10  Richard Guenther  <rguenther@suse.de>
1120             Nathan Froyd  <froydnj@codesourcery.com>
1121
1122         PR middle-end/37850
1123         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
1124         (__divMODE3): Likewise.
1125
1126 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
1127
1128         PR tree-optimization/39394
1129         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
1130         DECL_SIZE_UNIT of variable length FIELD_DECLs.
1131
1132 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1133
1134         * recog.c (verfiy_changes): Disallow renaming of hard regs in
1135         inline asms for register asm ("") declarations.
1136
1137 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
1138
1139         * fold-const.c (fold_unary): Fix comment.
1140
1141 2009-03-07  Jan Hubicka  <jh@suse.cz>
1142
1143         PR target/39361
1144         * tree-inline.c (setup_one_parameter): Do replacement of const
1145         argument by constant in SSA form.
1146
1147 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1148
1149         PR middle-end/38028
1150         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
1151         determine alignment passed to assign_stack_local.
1152         (assign_parms_unsplit_complex): Likewise.
1153         * except.c (sjlj_build_landing_pads): Likewise.
1154
1155 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
1156
1157         PR middle-end/39360
1158         * tree-flow.h (add_referenced_var): Return bool instead of void.
1159         * tree-dfa.c (add_referenced_var): Return result of
1160         referenced_var_check_and_insert call.
1161         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
1162         of referenced_var_check_and_insert.
1163
1164         PR debug/39372
1165         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
1166         (gen_variable_die): Emit DW_AT_location on abstract static variable's
1167         DIE, don't emit it if abstract origin already has it.
1168         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
1169         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
1170
1171 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
1172
1173         * genpreds.c: (needs_variable): Fix parentheses at variable name
1174         detection.
1175         (write_tm_constrs_h): Indent generated code.
1176
1177 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1178
1179         * doc/extend.texi (Function Attributes): Add documentation
1180         for isr attributes.
1181
1182 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
1183
1184         PR debug/39387
1185         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
1186         take locus from its DECL_SOURCE_LOCATION instead of input_location.
1187
1188 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
1189
1190         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
1191         the loop as bad.
1192
1193 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
1194
1195         PR debug/39379
1196         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
1197         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
1198
1199 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
1200
1201         * config/i386/i386.md (R8_REG, R9_REG): New constants.
1202         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
1203         constants instead of magic numbers.
1204         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
1205         (QI_REG_P): Ditto.
1206         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
1207         (x86_64_ms_abi_int_parameter_registers): Ditto.
1208         (x86_64_int_return_registers): Ditto.
1209         (ix86_maybe_switch_abi): Ditto.
1210         (ix86_expand_call): Ditto for clobbered_registers array.
1211         (ix86_hard_regno_mode_ok): Ditto.
1212         (x86_extended_QIreg_mentioned_p): Ditto.
1213
1214 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
1215
1216         PR tree-optimization/39349
1217         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
1218
1219         * combine.c (gen_lowpart_for_combine): Use omode when generating
1220         clobber.
1221
1222 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
1223
1224         PR rtl-optimization/39235
1225         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
1226
1227 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
1228
1229         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
1230
1231 2009-03-04  Richard Guenther  <rguenther@suse.de>
1232
1233         PR tree-optimization/39362
1234         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
1235         that occur in abnormal PHIs should be varying.
1236
1237 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
1238
1239         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
1240         Extend comments.
1241         (simple_iv):  Take loop as an argument instead of statement.
1242         * tree-scalar-evolution.h (simple_iv): Declaration changed.
1243         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
1244         to simple_iv.
1245         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
1246         Ditto.
1247         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
1248         * matrix-reorg.c (analyze_transpose): Ditto.
1249         * tree-data-ref.c (dr_analyze_innermost): Ditto.
1250         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
1251         * tree-predcom.c (ref_at_iteration): Ditto.
1252         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
1253
1254 2009-03-04  Richard Guenther  <rguenther@suse.de>
1255
1256         PR tree-optimization/39358
1257         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
1258         escaped_id and callused_id.
1259         (solve_graph): Likewise.
1260
1261 2009-03-04  Richard Guenther  <rguenther@suse.de>
1262
1263         PR tree-optimization/39339
1264         * tree-sra.c (try_instantiate_multiple_fields): Make it
1265         no longer ICE on the above.
1266
1267 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
1268
1269         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
1270         that fits within Pmode.
1271
1272 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
1273
1274         PR middle-end/10109
1275         * tm.texi (LIBCALL_VALUE): Update description.
1276
1277 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
1278
1279         PR middle-end/34443
1280         * doc/extend.texi (section): Update description.
1281
1282 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
1283
1284         PR middle-end/39345
1285         * tree-inline.c (remapped_type): New.
1286         (can_be_nonlocal): Call remapped_type instead of remap_type.
1287
1288 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
1289
1290         PR fortran/39354
1291         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
1292         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
1293
1294 2009-03-03  Richard Guenther  <rguenther@suse.de>
1295
1296         PR middle-end/39272
1297         * tree.c (tree_nonartificial_location): New function.
1298         * tree.h (tree_nonartificial_location): Declare.
1299         * builtins.c (expand_builtin_memory_chk): Provide location
1300         of the call location for artificial function pieces.
1301         (maybe_emit_chk_warning): Likewise.
1302         (maybe_emit_sprintf_chk_warning): Likewise.
1303         (maybe_emit_free_warning): Likewise.
1304         * expr.c (expand_expr_real_1): Likewise.
1305
1306 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
1307
1308         PR tree-optimization/39343
1309         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
1310         COMPONENT_REF t has ARRAY_TYPE.
1311
1312 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1313
1314         PR middle-end/39335
1315         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
1316         when the type precision of the induction variable should be
1317         larger than the type precision of nit.
1318         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
1319         * graphite.c (graphite_loop_normal_form): Same.
1320         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
1321
1322 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
1323
1324         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
1325         (*call_1_rex64_ms_sysv): Use named constants instead of magic
1326         numbers to describe clobbered registers.
1327         (*call_value_0_rex64_ms_sysv): Ditto.
1328         * config/i386/mmx.md (mmx_emms): Ditto.
1329         (mmx_femms): Ditto.
1330
1331 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
1332
1333         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
1334         of ABI_64.
1335
1336 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1337
1338         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
1339         (spu_section_type_flags): New function.
1340
1341 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
1342
1343         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
1344         reg_class_contents of FLOAT_REGS into a temporary.
1345
1346 2009-03-02  Richard Guenther  <rguenther@suse.de>
1347             Ira Rosen  <irar@il.ibm.com>
1348
1349         PR tree-optimization/39318
1350         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
1351         information to the vectorized statement.
1352
1353 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
1354
1355         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
1356         variable.  Use defined names instead of magic constants for REX SSE
1357         registers.
1358
1359 2009-03-01  Richard Guenther  <rguenther@suse.de>
1360
1361         PR tree-optimization/39331
1362         * omp-low.c (lower_send_shared_vars): Do not receive new
1363         values for the reference of DECL_BY_REFERENCE parms or results.
1364
1365 2009-03-01  Jan Hubicka  <jh@suse.cz>
1366
1367         PR debug/39267
1368         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
1369         BLOCK_NONLOCALIZED_VAR): New macros.
1370         (tree_block): Add nonlocalized_vars.
1371         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
1372         gen_decl_die): Add origin argument.  Allow generation of die with
1373         origin at hand only.
1374         (gen_member_die, gen_type_die_with_usage, force_decl_die,
1375         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
1376         of gen_*.
1377         (gen_block_die): Fix checking for unused blocks.
1378         (process_scope_var): Break out from .... ; work with origins only.
1379         (decls_for_scope) ... here; process nonlocalized list.
1380         (dwarf2out_ignore_block): Look for nonlocalized vars.
1381         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
1382         vars.
1383         (dump_scope_block): Dump them.
1384         * tree-inline.c (remap_decls): Handle nonlocalized vars.
1385         (remap_block): Likewise.
1386         (can_be_nonlocal): New predicate.
1387         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
1388
1389 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1390
1391         * configure: Regenerate.
1392
1393 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1394
1395         * optc-gen.awk: No need to duplicate option flags twice.
1396         Reuse help texts for duplicate options which do not have any.
1397
1398         * gcc.c (display_help): Document --version.
1399
1400         * gcc.c (main): If print_help_list and verbose_flag, ensure
1401         driver output comes before subprocess output.
1402
1403         * optc-gen.awk: Assign all remaining fields to help string,
1404         space-separated, for multi-line help in *.opt.
1405
1406         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
1407         -Wno-pedantic-ms-format is for MinGW targets only.
1408
1409         * doc/options.texi (Option file format): Fix bad indentation,
1410         restoring dropped sentence.
1411
1412 2009-02-28  Jan Hubicka  <jh@suse.cz>
1413
1414         * tree-inline.c (tree_function_versioning): Output debug info.
1415
1416 2009-02-28  Jan Hubicka  <jh@suse.cz>
1417
1418         PR debug/39267
1419         * tree-inline.c (setup_one_parameter): Do not copy propagate
1420         arguments when not optimizing.
1421
1422 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
1423
1424         PR target/39327
1425         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1426         (avx_addsubv4df3): Likewise.
1427         (*avx_addsubv4sf3): Likewise.
1428         (sse3_addsubv4sf3): Likewise.
1429         (*avx_addsubv2df3): Likewise.
1430         (sse3_addsubv2df3): Likewise.
1431         (avx_unpckhps256): Correct item selectors.
1432         (avx_unpcklps256): Likewise.
1433         (avx_unpckhpd256): Likewise.
1434         (avx_unpcklpd256): Likewise.
1435
1436 2009-02-28  Jan Hubicka  <jh@suse.cz>
1437
1438         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
1439         static vars.
1440         (copy_arguments_for_versioning): If var is declared don't declare it.
1441         (tree_function_versioning): First setup substitutions and then copy
1442         args.
1443
1444 2009-02-27  Jan Hubicka  <jh@suse.cz>
1445
1446         PR debug/39267
1447         * cgraph.h (varpool_output_debug_info): Remove.
1448         * cgraphunit.c (varpool_output_debug_info): Remove.
1449         * dwarf2out.c (deferred_locations_struct): New struct
1450         (deferred_locations): New type.
1451         (deferred_locations_list): New static var.
1452         (deffer_location): New function.
1453         (gen_variable_die): Use it.
1454         (decls_for_scope): Output info on local static vars.
1455         (dwarf2out_finish): Process deferred locations.
1456         * varpool.c (varpool_output_debug_info): Remove.
1457
1458 2009-02-27  Jan Hubicka  <jh@suse.cz>
1459
1460         PR debug/39267
1461         * tree.h (TREE_PROTECTED): Fix comment.
1462         (BLOCK_HANDLER_BLOCK): Remove.
1463         (struct tree_block): Remove handler_block add body_block.
1464         (inlined_function_outer_scope_p): New.
1465         (is_body_block): Remove.
1466         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
1467         * dwarf2out.c (is_inlined_entry_point): Remove.
1468         (add_high_low_attributes): Use inlined_function_outer_scope_p.
1469         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
1470         code.
1471         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
1472         * gimplify.c (gimplify_expr): Gimplify body blocks.
1473         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
1474         block with multiple subblocks.
1475         (dump_scope_block): Prettier output; dump more flags and info.
1476         (dump_scope_blocks): New.
1477         (remove_unused_locals): Use dump_scope_blocks.
1478         * tree-flow.h (dump_scope_blocks): Declare.
1479         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
1480         * stmt.c (is_body_block): Remove.
1481         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
1482         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
1483
1484 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
1485
1486         PR middle-end/39308
1487         * graphite.c (graphite_loop_normal_form): Do not call 
1488         number_of_iterations_exit from a gcc_assert.
1489
1490 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1491
1492         * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
1493         jumps if COND is NULL.
1494         (find_cond_jump): New function.
1495         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
1496         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
1497
1498 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
1499
1500         * config/alpha/alpha.h (alpha_expand_mov): Return false if
1501         force_const_mem returns NULL_RTX.
1502
1503 2009-02-26  Jan Hubicka  <jh@suse.cz>
1504
1505         PR debug/39267
1506         * cgraph.h (varpool_output_debug_info): Remove.
1507         * cgraphunit.c (varpool_output_debug_info): Remove.
1508         * dwarf2out.c (deferred_locations_struct): New struct
1509         (deferred_locations): New type.
1510         (deferred_locations_list): New static var.
1511         (deffer_location): New function.
1512         (gen_variable_die): Use it.
1513         (decls_for_scope): Output info on local static vars.
1514         (dwarf2out_finish): Process deferred locations.
1515         * varpool.c (varpool_output_debug_info): Remove.
1516
1517 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
1518
1519         PR rtl-optimization/39241
1520         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
1521         to subreg_offset_representable_p.
1522
1523 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
1524
1525         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
1526         execute function prototype.  Get f and nregs from max_reg_num
1527         and get_insns.  Remove the first backward pass as it's dead,
1528         guard the forward pass by flag_expensive_optimizations.
1529         (rest_of_handle_regmove): Delete.
1530         (pass_regmove): Replace it with regmove_optimize.
1531
1532 2009-02-25  Martin Jambor  <mjambor@suse.cz>
1533
1534         PR tree-optimization/39259
1535         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
1536         calls_alloca function flags.
1537         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
1538         calls are detected.
1539
1540 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
1541
1542         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
1543         flags_set_1_rtx, flags_set_1_set): Delete.
1544         (regmove_optimize): Do not call mark_flags_life_zones.
1545
1546 2009-02-24  Julian Brown  <julian@codesourcery.com>
1547
1548         PR target/35965
1549         * config/arm/arm.c (require_pic_register): Only set
1550         cfun->machine->pic_reg once per function.
1551
1552 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
1553
1554         * doc/invoke.texi (Link Options): Document an easier way to pass
1555         options that take arguments to the GNU linker using -Xlinker and -Wl.
1556
1557 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
1558
1559         PR target/33785
1560         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
1561
1562 2009-02-24  Richard Guenther  <rguenther@suse.de>
1563
1564         PR debug/39285
1565         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
1566
1567 2009-02-24  Richard Guenther  <rguenther@suse.de>
1568             Zdenek Dvorak  <ook@ucw.cz>
1569
1570         PR tree-optimization/39233
1571         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
1572         from converting them to a generic type.
1573
1574 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1575
1576         PR tree-optimization/39260
1577         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
1578         contains a condition with a real type.
1579         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
1580
1581 2009-02-23  Jason Merrill  <jason@redhat.com>
1582
1583         PR c++/38880
1584         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
1585         narrowing_initializer_constant_valid_p.
1586         (narrowing_initializer_constant_valid_p): Don't return 
1587         null_pointer_node for adding a pointer to itself.
1588
1589 2009-02-23  Jan Hubicka  <jh@suse.cz>
1590
1591         PR c/12245
1592         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
1593         resizing.
1594
1595 2009-02-23  Jan Hubicka  <jh@suse.cz>
1596
1597         PR tree-optimization/37709
1598         * tree.c (block_ultimate_origin): Move here from dwarf2out.
1599         * tree.h (block_ultimate_origin): Declare.
1600         * dwarf2out.c (block_ultimate_origin): Move to tree.c
1601         * tree-ssa-live.c (remove_unused_scope_block_p):
1602         Eliminate blocks containig no instructions nor live variables nor
1603         nested blocks.
1604         (dump_scope_block): New function.
1605         (remove_unused_locals): Enable removal of dead blocks by default;
1606         enable dumping at TDF_DETAILS.
1607
1608 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
1609
1610         * config/i386/i386.c (classify_argument): Don't allow COImode
1611         and OImode.
1612         (function_arg_advance_32): Don't allow OImode.
1613         (function_arg_32): Likewise.
1614         (function_value_32): Likewise.
1615         (return_in_memory_32): Likewise.
1616         (function_arg_64): Remove OImode comment.
1617
1618 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
1619
1620         PR target/39261
1621         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
1622         ix86_expand_vector_set for V4DImode in 64bit mode only.
1623         (ix86_expand_vector_init_one_var): Likewise.
1624
1625 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
1626
1627         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
1628
1629 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
1630
1631         PR bootstrap/39257
1632         * loop-iv.c: Revert last change.
1633         * emit-rtl.c: Likewise.
1634
1635 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
1636
1637         PR target/39256
1638         * config/i386/i386.c (type_natural_mode): Remove an extra
1639         space in the warning message.
1640         (function_value_32): Handle 32-byte vector modes.
1641         (return_in_memory_32): Likewise.
1642
1643 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
1644
1645         * loop-iv.c (truncate_value): New function.
1646         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
1647         of lowpart_subreg.
1648         (lowpart_subreg): Move to...
1649         * emit-rtl.c: ...here.
1650
1651 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
1652
1653         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
1654         accidental and undocumented change at revision 140860.
1655
1656 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
1657
1658         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
1659         take gimple_seq * arguments.
1660         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
1661         types_compatible_p langhook.
1662
1663 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
1664             Joseph Myers  <joseph@codesourcery.com>
1665
1666         * config/arm/arm.c (arm_builtin_va_list): New function.
1667         (arm_expand_builtin_va_start): Likewise.
1668         (arm_gimplify_va_arg_expr): Likewise.
1669         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
1670         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
1671         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
1672         (va_list_type): New variable.
1673         (arm_mangle_type): Mangle va_list_type appropriately.
1674
1675 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
1676
1677         PR middle-end/39157
1678         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
1679         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
1680         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
1681         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
1682         parameter to 1000 for -O1 by default.
1683         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
1684         parameter.
1685         * loop-invariant.c: Include params.h.
1686         (move_loop_invariants): Don't call move_single_loop_invariants on
1687         very large loops.
1688
1689 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
1690
1691         * calls.c (emit_library_call_value_1): Use slot_offset instead of
1692         offset when calculating bounds for indexing stack_usage_map.  Fixes
1693         a buffer overflow with certain target setups.
1694
1695 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
1696
1697         PR target/39240
1698         * calls.c (expand_call): Clear try_tail_call if caller and callee
1699         disagree in promotion of function return value.
1700
1701 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
1702
1703         PR target/39175
1704         * c-common.c (c_determine_visibility): If visibility changed and
1705         DECL_RTL has been already set, call make_decl_rtl to update symbol
1706         flags.
1707
1708 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1709
1710         PR c++/39188
1711         * varasm.c (assemble_variable): Don't check DECL_NAME when
1712         globalizing a variable.
1713
1714 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
1715
1716         PR c/38483
1717         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
1718         expression before any __builtin_trap call.
1719         * c-typeck.c (build_function_call): Convert and check function
1720         arguments before generating a call to a trap.  Evaluate the
1721         function arguments before the trap.
1722
1723 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
1724
1725         PR target/39228
1726         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
1727         (UNSPEC_FXAM_MEM): New unspec.
1728         (fxam<mode>2_i387_with_temp): New insn and split pattern.
1729         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
1730         memory using fxam<mode>2_i387_with_temp to remove excess precision.
1731
1732 2009-02-19  Richard Guenther  <rguenther@suse.de>
1733
1734         PR tree-optimization/39207
1735         PR tree-optimization/39074
1736         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
1737         storedanything_tree): New.
1738         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
1739         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
1740         (build_succ_graph): Add edges from STOREDANYTHING to all
1741         non-direct nodes.
1742         (init_base_vars): Initialize STOREDANYTHING.
1743         (compute_points_to_sets): Free substitution info after
1744         building the succ graph.
1745         (ipa_pta_execute): Likewise.
1746
1747         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
1748         field.
1749         (do_ds_constraint): Do not add to special var or non-pointer
1750         field solutions.
1751         (type_could_have_pointers): Split out from ...
1752         (could_have_pointers): ... here.  For arrays use the element type.
1753         (create_variable_info_for): Initialize may_have_pointers.
1754         (new_var_info): Likewise.
1755         (handle_lhs_call): Make the HEAP variable unknown-sized.
1756         (intra_create_variable_infos): Use a type with pointers for
1757         PARM_NOALIAS, make it unknown-sized.
1758
1759 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1760
1761         PR target/39224
1762         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
1763
1764 2009-02-18  Jason Merrill  <jason@redhat.com>
1765
1766         PR target/39179
1767         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
1768         value if DECL_EXTERNAL.
1769         * tree-sra.c (sra_walk_gimple_assign): Likewise.
1770         * target.h (gcc_target::binds_local_p): Clarify "module".
1771         * tree.h (TREE_PUBLIC): Clarify "module".
1772
1773 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
1774
1775         PR target/38891
1776         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
1777         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
1778
1779 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
1780
1781         PR target/39082
1782         * c.opt (Wabi): Support C and ObjC.
1783         (Wpsabi): New.
1784
1785         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
1786
1787         * config/i386/i386.c (classify_argument): Warn once about the ABI
1788         change when passing union with long double.
1789
1790         * doc/invoke.texi: Update -Wabi for warning psABI changes.
1791
1792 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
1793
1794         PR c/35447
1795         * c-parser.c (c_parser_compound_statement): Always enter and leave
1796         a scope.
1797
1798 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1799
1800         PR target/34587
1801         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
1802
1803 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
1804
1805         PR tree-optimization/36922
1806         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
1807         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
1808         Likewise.
1809
1810 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
1811
1812         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
1813         to 0 for EABI64.
1814
1815 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
1816
1817         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
1818
1819 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
1820
1821         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
1822         tree sharing.
1823
1824 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
1825             Richard Sandiford  <rdsandiford@googlemail.com>
1826
1827         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
1828         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
1829         (loongson_biadd): ...this.
1830
1831 2009-02-17  Richard Guenther  <rguenther@suse.de>
1832
1833         PR tree-optimization/39202
1834         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
1835         a var make sure to follow existing collapses.
1836
1837 2009-02-17  Richard Guenther  <rguenther@suse.de>
1838
1839         PR middle-end/39214
1840         * langhooks.c (lhd_print_error_function): Check for NULL block.
1841
1842 2009-02-17  Richard Guenther  <rguenther@suse.de>
1843
1844         PR tree-optimization/39204
1845         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
1846         of the PHI arg.
1847
1848 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
1849
1850         * config/soft-fp/double.h: Update from glibc CVS.
1851
1852 2009-02-17  Richard Guenther  <rguenther@suse.de>
1853
1854         PR tree-optimization/39207
1855         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
1856         strict-aliasing warnings for pointers pointing to NULL.
1857
1858 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
1859
1860         PR c/35446
1861         * c-parser.c (c_parser_braced_init): Call pop_init_level when
1862         skipping until next close brace.
1863
1864 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
1865
1866         PR target/37049
1867         * config/i386/i386.c (ix86_expand_push): Set memory alignment
1868         to function argument boundary.
1869
1870 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
1871
1872         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1873         in the lea_add. Reload eventually constraints it properly.
1874         * config/picochip/constraints.md : Remove the target constraint
1875         "b", since it is not needed anymore.
1876
1877 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
1878
1879         * gthr-dce.h: Uglify function parameter and local variable names.
1880         * gthr-gnat.h: Likewise.
1881         * gthr-mipssde.h: Likewise.
1882         * gthr-nks.h: Likewise.
1883         * gthr-posix95.h: Likewise.
1884         * gthr-posix.h: Likewise.
1885         * gthr-rtems.h: Likewise.
1886         * gthr-single.h: Likewise.
1887         * gthr-solaris.h: Likewise.
1888         * gthr-tpf.h: Likewise.
1889         * gthr-vxworks.h: Likewise.
1890         * gthr-win32.h: Likewise.
1891
1892 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
1893
1894         PR target/39196
1895         * config/i386/i386.md: Restrict the new peephole2 to move
1896         between MMX/SSE registers.
1897
1898 2009-02-15  Richard Guenther  <rguenther@suse.de>
1899
1900         Revert
1901         2009-02-13  Richard Guenther  <rguenther@suse.de>
1902
1903         * configure.ac: Enable LFS.
1904         * configure: Re-generate.
1905         * config.in: Likewise.
1906
1907 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1908
1909         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1910         spu_srqwbyte, spu_srqwbytebc): Define.
1911         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1912         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1913         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1914         "shrqby_<mode>"): New insn-and-split patterns.
1915         * config/spu/spu.c (expand_builtin_args): Determine and return
1916         number of operands using spu_builtin_description data.
1917         (spu_expand_builtin_1): Use it.
1918
1919 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
1920
1921         PR target/38056
1922         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1923         TARGET_CONST_GP.
1924
1925 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
1926
1927         PR target/39149
1928         * config/i386/i386.c (override_options): Correct warning
1929         messages for -malign-loops, -malign-jumps and -malign-functions.
1930
1931 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
1932
1933         PR target/39152
1934         * config/i386/i386.md: Restrict the new peephole2 to move
1935         between the general purpose registers.
1936
1937 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
1938
1939         PR target/39162
1940         * config/i386/i386.c (type_natural_mode): Add a new argument.
1941         Return the original mode and warn ABI change if vector size is 32byte.
1942         (function_arg_advance): Updated.
1943         (function_arg): Likewise.
1944         (ix86_function_value): Likewise.
1945         (ix86_return_in_memory): Likewise.
1946         (ix86_sol10_return_in_memory): Likewise.
1947         (ix86_gimplify_va_arg): Likewise.
1948         (function_arg_32): Don't warn ABX ABI change here.
1949         (function_arg_64): Likewise.
1950
1951 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
1952
1953         * loop-iv.c (implies_p): In the final case, test that operands 0
1954         of the two comparisons match.
1955
1956         * config/bfin/bfin.c (find_prev_insn_start): New function.
1957         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1958         (find_next_insn_start): Move.
1959
1960 2009-02-13  Richard Guenther  <rguenther@suse.de>
1961
1962         * configure.ac: Enable LFS.
1963         * configure: Re-generate.
1964         * config.in: Likewise.
1965
1966 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
1967
1968         PR c/35444
1969         * c-parser.c (c_parser_parms_list_declarator): Discard pending
1970         sizes on syntax error after some arguments have been parsed.
1971
1972 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
1973
1974         * doc/invoke.texi (-fira): Remove.
1975
1976 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1977
1978         * caller-save.c: Replace regclass.c with reginfo.c in comments.
1979         * recog.c: Likewise.
1980         * rtl.h: Likewise.
1981
1982 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
1983
1984         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1985         (umul_ppmm): Likewise.
1986         (count_leading_zeros): Likewise.
1987         (count_trailing_zeros): Likewise.
1988         (UMUL_TIME): Likewise.
1989
1990 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1991
1992         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1993         soft-fp/t-softfp to tmake_file.
1994
1995         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1996         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1997         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1998         IA64_BUILTIN_INFQ]: New.
1999         (ia64_init_builtins): Initialize __builtin_infq,
2000         __builtin_fabsq and __builtin_copysignq if not HPUX.
2001         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
2002         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
2003
2004         * config/ia64/lib1funcs.asm (__divtf3): Define only if
2005         SHARED is defined.
2006         (__fixtfti): Likewise.
2007         (__fixunstfti): Likewise.
2008         (__floattitf): Likewise.
2009
2010         * config/ia64/libgcc-glibc.ver: New.
2011         * config/ia64/t-fprules-softfp: Likewise.
2012         * config/ia64/sfp-machine.h: Likewise.
2013
2014         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
2015         (LIBGCC2_TF_CEXT): Likewise.
2016         (TF_SIZE): Likewise.
2017         (TARGET_INIT_LIBFUNCS): Likewise.
2018
2019         * config/ia64/t-glibc (SHLINB_MAPFILES):
2020         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
2021
2022 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
2023
2024         * config/i386/i386.c (construct_container): Rewrite processing
2025         BLKmode with X86_64_SSE_CLASS.
2026
2027 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
2028
2029         PR target/39152
2030         * config/i386/i386.md: Replace simplify_replace_rtx with
2031         replace_rtx in the new peephole2.
2032
2033 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
2034
2035         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
2036         loop unrolling do not happen at -O2.
2037
2038 2009-02-12  Michael Matz  <matz@suse.de>
2039
2040         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
2041
2042 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
2043
2044         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
2045         for -g3.
2046
2047 2009-02-12  Ben Elliston  <bje@au.ibm.com>
2048
2049         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
2050         patterns when updating the back chain.  Missed in the 2009-02-10
2051         change.
2052
2053 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
2054
2055         * doc/extend.texi (Decimal Floating Types): Update identifier of
2056         draft TR and list of missing support.
2057
2058 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
2059
2060         PR middle-end/39154
2061         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
2062         bit to variable length decl's flags, add it also to its
2063         pointer replacement variable.
2064
2065 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
2066             Jakub Jelinek  <jakub@redhat.com>
2067
2068         PR target/39118
2069         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
2070         (memory_blockage): New expander.
2071         (*memory_blockage): New insn pattern.
2072         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
2073         instead of general blockage at the end of function prologue when
2074         frame pointer is used to access red zone area.  Do not emit blockage
2075         when profiling, it is emitted in generic code.
2076         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
2077         function epilogue when frame pointer is used to access red zone area.
2078
2079 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
2080
2081         PR target/38824
2082         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
2083         by arithmetic with memory operands.
2084         * config/i386/predicates.md (commutative_operator): New.
2085
2086 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
2087
2088         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
2089         bulleted lists.
2090
2091 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2092
2093         * alias.h (record_alias_subset): Declare.
2094         * alias.c (record_alias_subset): Make global.
2095
2096 2009-02-10  Nick Clifton  <nickc@redhat.com>
2097
2098         * tree-parloops.c: Change license to GPLv3.
2099         * ipa-struct-reorg.c: Change license to GPLv3.
2100         * ipa-struct-reorg.h: Change license to GPLv3.
2101
2102 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
2103
2104         PR c/39084
2105         * c-decl.c (start_struct): Return NULL on error.
2106
2107 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
2108
2109         PR middle-end/39124
2110         * cfgloopmanip.c (remove_path): Call remove_bbs after
2111         cancel_loop_tree, not before it.
2112
2113         PR target/39139
2114         * function.h (struct function): Add has_local_explicit_reg_vars bit.
2115         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
2116         VAR_DECLs were seen.
2117         * tree-ssa-live.c (remove_unused_locals): Recompute
2118         cfun->has_local_explicit_reg_vars.
2119         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
2120         copies or clearings if cfun->has_local_explicit_reg_vars.
2121
2122 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
2123
2124         PR target/39118
2125         * config/i386/i386.c (expand_prologue): Emit blockage at the end
2126         of function prologue when frame pointer is used to access
2127         red zone area.
2128
2129 2009-02-10  Richard Guenther  <rguenther@suse.de>
2130
2131         PR middle-end/39127
2132         * gimplify.c (gimple_regimplify_operands): Always look if
2133         we need to create a temporary.
2134
2135 2009-02-10  Richard Guenther  <rguenther@suse.de>
2136
2137         PR tree-optimization/39132
2138         * tree-loop-distribution.c (todo): New global var.
2139         (generate_memset_zero): Trigger TODO_rebuild_alias.
2140         (tree_loop_distribution): Return todo.
2141
2142 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
2143
2144         PR target/39119
2145         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
2146         (x86_64_reg_class_name): Removed.
2147         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
2148         first one isn't X86_64_SSE_CLASS or any other ones aren't
2149         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
2150         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
2151         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
2152         and 3 X86_64_SSEUP_CLASS.
2153         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
2154         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
2155
2156 2009-02-10  Ben Elliston  <bje@au.ibm.com>
2157
2158         * config/rs6000/rs6000.md (allocate_stack): Always use an update
2159         form instruction to update the stack back chain word, even if the
2160         user has disabled the generation of update instructions.
2161         (movdi_<mode>_update_stack): New.
2162         (movsi_update_stack): Likewise.
2163         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
2164         always use an update form instruction to update the stack back
2165         chain word.
2166
2167 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
2168
2169         PR middle-end/38953
2170         * graphite.c (if_region_set_false_region): After moving a region in
2171         the false branch of a condition, remove the empty dummy basic block.
2172         (gloog): Remove wrong fix for PR38953.
2173
2174 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2175
2176         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
2177         generation due to implicit sign extension.
2178
2179 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
2180
2181         PR middle-end/38981
2182         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
2183         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
2184
2185 2009-02-09  Richard Guenther  <rguenther@suse.de>
2186
2187         PR middle-end/35202
2188         * convert.c (convert_to_real): Disable (float)fn((double)x)
2189         to fnf(x) conversion if errno differences may occur and
2190         -fmath-errno is set.
2191
2192 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
2193
2194         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
2195         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2196         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2197
2198 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
2199
2200         PR c/35434
2201         * c-common.c (handle_alias_attribute): Disallow attribute for
2202         anything not a FUNCTION_DECL or VAR_DECL.
2203
2204 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
2205
2206         PR c/39035
2207         * real.c (do_compare): Special-case compare of zero against
2208         decimal float value.
2209
2210 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
2211
2212         PR c/36432
2213         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
2214         as indicating flexible array members unless the field itself is
2215         being declarared as the incomplete array.
2216
2217 2009-02-06  Jan Hubicka  <jh@suse.cz>
2218
2219         PR tree-optimization/38844
2220         * ipa-inline.c (try_inline): Stop inlining recursion when edge
2221         is already inlined.
2222
2223 2009-02-06  Richard Guenther  <rguenther@suse.de>
2224
2225         PR middle-end/38977
2226         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
2227         fork because we may expand it as __gcov_fork.
2228
2229 2009-02-06  Nick Clifton  <nickc@redhat.com>
2230
2231         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
2232
2233 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
2234
2235         PR tree-optimization/35659
2236         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
2237         vn_phi_eq): Shortcut if hashcode does not match.
2238         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
2239         NULL operands.
2240         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
2241         and avoid iterative_hash_expr.
2242         (FOR_EACH_VALUE_ID_IN_SET): New.
2243         (value_id_compare): Remove.
2244         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
2245         sort expressions by value id.
2246
2247 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
2248
2249         PR target/38991
2250         * config/sh/predicates.md (general_movsrc_operand): Don't check
2251         the subreg of system registers here.
2252
2253 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
2254
2255         PR c++/39106
2256         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
2257         on the copied decl.
2258
2259 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
2260
2261         PR rtl-optimization/39110
2262         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
2263         addresses, not aligned ones.
2264
2265 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
2266             Richard Guenther  <rguenther@suse.de>
2267
2268         PR tree-optimization/39100
2269         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
2270         comment says and add edges.
2271
2272 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
2273
2274         PR c/35435
2275         * c-common.c (handle_tls_model_attribute): Ignore attribute for
2276         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
2277
2278 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
2279
2280         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
2281         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
2282         register_bb_in_sese, new_sese, free_sese): Moved.
2283         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
2284         outermost_loop_in_scop, build_scop_iteration_domain,
2285         expand_scalar_variables_ssa_name, get_vdef_before_scop,
2286         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
2287         Use loop_in_sese_p instead of loop_in_scop_p.
2288         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
2289         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
2290         (scopdet_basic_block_info): Fix bug in scop detection.
2291         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
2292         eq_loop_to_cloog_loop): Remove.
2293         (nb_loops_around_loop_in_scop, nb_loop
2294         ref_nb_loops): Moved here...
2295         * graphite.h (ref_nb_loops): ... from here.
2296         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
2297         (loop_domain_dim, loop_iteration_vector_dim): Remove.
2298         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
2299         * testsuite/gcc.dg/graphite/scop-19.c: New
2300
2301 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
2302             Hans-Peter Nilsson  <hp@axis.com>
2303
2304         PR rtl-optimization/37889
2305         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
2306         Move offset handling from PLUS to before the switch.  Use new
2307         arguments when considering SYMBOL_REFs too.
2308         (rtx_addr_can_trap_p): Pass dummy offset and size.
2309         (enum may_trap_p_flags): Remove.
2310         (may_trap_p_1): Pass size from MEM_SIZE.
2311
2312         PR rtl-optimization/38921
2313         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
2314         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
2315         * rtlanal.c (may_trap_after_code_motion_p): Delete.
2316         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
2317
2318 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
2319
2320         AVX Programming Reference (January, 2009)
2321         * config/i386/sse.md (*vpclmulqdq): New.
2322
2323 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
2324
2325         PR tree-optimization/38977
2326         PR gcov-profile/38292
2327         * calls.c (special_function_p): Disregard __builtin_ prefix.
2328
2329 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
2330
2331         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
2332         non-indexable addresses even before reload.
2333
2334 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
2335
2336         PR c/29129
2337         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
2338         as having variable size.  Do not give an error for unnamed
2339         parameters with [*] declarators.  Give a warning for type names
2340         with [*] declarators and mark them as variable size.
2341         * c-parser.c (c_parser_sizeof_expression): Do not give an error
2342         for sizeof applied to [*] type names.
2343
2344 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2345
2346         PR C++/36607
2347         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
2348
2349 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
2350
2351         * gcc.c (process_command): Update copyright notice dates.
2352         * gcov.c (print_version): Likewise.
2353         * gcov-dump.c (print_version): Likewise.
2354         * mips-tfile.c (main): Likewise.
2355         * mips-tdump.c (main): Likewise.
2356
2357 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
2358
2359         PR c/35433
2360         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
2361         for composite type involving a zero-length array type.
2362
2363 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
2364
2365         PR target/35318
2366         * function.c (match_asm_constraints_1): Skip over
2367         initial optional % in the constraint.
2368
2369         PR inline-asm/39059
2370         * c-parser.c (c_parser_postfix_expression): If fixed point is not
2371         supported, don't accept FIXED_CSTs.
2372         * c-decl.c (finish_declspecs): Error if fixed point is not supported
2373         and _Sat is used without _Fract/_Accum.  Set specs->type to
2374         integer_type_node for cts_fract/cts_accum if fixed point is not
2375         supported.
2376
2377 2009-02-02  Catherine Moore  <clm@codesourcery.com>
2378
2379         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
2380
2381 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
2382
2383         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
2384         (ABI_HAS_64BIT_SYMBOLS): Use it.
2385         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
2386
2387 2009-02-02  Paul Brook  <paul@codesourcery.com>
2388
2389         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
2390
2391 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
2392
2393         PR inline-asm/39058
2394         * recog.h (asm_operand_ok): Add constraints argument.
2395         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
2396         recurse on matching constraint.
2397         (check_asm_operands): Pass constraints as 3rd argument to
2398         asm_operand_ok.  Don't look up matching constraint here.
2399         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
2400         to asm_operand_ok.
2401
2402 2009-02-02  Ben Elliston  <bje@au.ibm.com>
2403
2404         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
2405         TARGET_NARROW_VOLATILE_BITFIELD macro names.
2406
2407 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2408
2409         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
2410         information.  Remove some obsolete information.  Reorganize.
2411
2412         * config/pa/fptr.c: Revert license to GPL 2.
2413         * config/pa/milli64.S: Likewise.
2414
2415 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
2416
2417         PR target/38904
2418         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
2419         LIBRARY name in, instead of hard-coding it.
2420         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
2421         extra target make frag to tmake_files according to EH model.
2422         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
2423         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
2424         frags that define makefile variable EH_MODEL appropriately.
2425         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
2426         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
2427         to "-sjlj" according to type of EH configured.
2428         (LIBGCC_SONAME):  Concatenate it to shared library base name.
2429         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
2430         to "_sjlj" according to type of EH configured.
2431         (LIBGCC_SONAME):  Concatenate it to shared library base name.
2432         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
2433         (SHLIB_LINK):  Add missing semicolon to if-else construct.
2434         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
2435         string value of "pe_dll" command-line option.
2436         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
2437         (SHLIB_SONAME):  Use it when overriding t-cygming default.
2438         (SHLIB_IMPLIB):  Override t-cygming default.
2439         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
2440         string value of "pe_dll" command-line option.
2441
2442 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
2443
2444         PR target/38952
2445         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
2446         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
2447
2448 2009-01-31  Richard Guenther  <rguenther@suse.de>
2449
2450         PR tree-optimization/38937
2451         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
2452         computing the transitive closure.
2453
2454 2009-01-30  Richard Guenther  <rguenther@suse.de>
2455
2456         PR tree-optimization/39041
2457         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2458         Propagate variable indices only if the types match for this stmt.
2459
2460 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
2461
2462         PR target/39013
2463         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
2464         inline but never defined.
2465
2466 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
2467
2468         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
2469         (*insv_h_di_reg_extimm): New insn.
2470         (*insv_l<mode>_reg_extimm): New insn.
2471
2472 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
2473
2474         * config/picochip/picochip.c (flag_conserve_stack): set
2475         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
2476         fconserve-stack. Reduce call-overhead used by inliner.
2477
2478 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
2479
2480         PR/38157
2481         * common.opt (flag_conserve_stack): Initialised to zero.
2482
2483 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
2484
2485         PR/39002
2486         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
2487         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
2488         method.
2489
2490 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
2491
2492         * ira-color.c (allocno_reload_assign): Update comments.
2493         * regmove.c (regmove_optimize): Likewise.
2494
2495         * ra.h: Removed.
2496
2497 2009-01-29  Robert Millan  <rmh@aybabtu.com>
2498
2499         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
2500         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
2501         `MD_UNWIND_SUPPORT'.
2502         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
2503
2504 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
2505
2506         PR tree-optimization/39007
2507         * tree-loop-distribution.c (generate_builtin): Use
2508         recompute_dominator to compute the immediate dominator of the
2509         basic block just after the loop.
2510
2511 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2512
2513         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
2514         (ASM_OUTPUT_DWARF_PCREL): Define.
2515
2516 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
2517
2518         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
2519         * doc/passes.texi: Remove entries about regclass, local-alloc, and
2520         global.  Modify entries about regmove and IRA.
2521
2522         * ra-conflict.c: Remove the file.
2523
2524         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
2525
2526         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
2527         (pass_regclass_init): Rename to pass_reginfo_init.
2528
2529         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
2530
2531         * toplev.h (flag_ira): Remove.
2532
2533         * caller-save.c (setup_save_areas): Remove flag_ira.
2534
2535         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
2536
2537         * global.c: Remove the file.
2538
2539         * opts.c: (decode_options): Remove flag_ira.
2540
2541         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
2542
2543         * regmove.c: Modify file description.
2544         (find_use_as_address, try_auto_increment): Define them only if
2545         AUTO_INC_DEC is defined.
2546         (replacement_quality, replace_in_call_usage, fixup_match_1,
2547         stable_and_no_regs_but_for_p): Remove.
2548         (reg_set_in_bb): Make it static.
2549         (regmove_optimize): Remove flag_ira and code which worked for
2550         !flag_ira.
2551
2552         * local-alloc.c: Remove the file.
2553
2554         * common.opt (fira): Remove.
2555
2556         * ira.c: Include except.h.
2557         (eliminable_regset): Move from global.c.
2558         (mark_elimination): Ditto.  Remove flag_ira.
2559         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
2560         equiv_mem_modified, validate_equiv_mem_from_store,
2561         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
2562         contains_replace_regs, memref_referenced_p, memref_used_between_p,
2563         no_equiv, recorded_label_ref): Move from local-alloc.c.
2564         (update_equiv_regs): Ditto.  Make it static.
2565         (print_insn_chain, print_insn_chains): Move it from global.c.
2566         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
2567         (build_insn_chain): Ditto.  Make it static.
2568         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
2569         Rename to init_live_subregs.
2570         (gate_ira): Remove flag_ira.
2571
2572         * regclass.c: Rename reginfo.c.  Change file description.
2573         (FORBIDDEN_INC_DEC_CLASSES): Remove.
2574         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
2575         (init_reg_sets_1): Remove code for evaluation of
2576         reg_class_superclasses and losing_caller_save_reg_set.
2577         (init_regs): Remove init_reg_autoinc.
2578         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
2579         ok_for_base_p_nonstrict): Remove.
2580         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
2581         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
2582         corresponding entries.
2583         (dump_regclass, record_operand_costs, scan_one_insn,
2584         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
2585         record_address_regs, auto_inc_dec_reg_p): Remove.
2586         (gt-regclass.h): Rename to gt-reginfo.h.
2587
2588         * rtl.h (dump_global_regs, retry_global_alloc,
2589         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
2590
2591         * Makefile.in (RA_H): Remove.
2592         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
2593         Rename regclass.o to reginfo.o.
2594         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
2595         gt-reginfo.h.
2596         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
2597         (GTFILES): Rename regclass.c to reginfo.c.
2598
2599         * passes.c (init_optimization_passes): Remove pass_local_alloc and
2600         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
2601
2602         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2603         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
2604         Remove flag_ira.
2605         (finish_spills): Ditto.  Remove code for !flag_ira.
2606         
2607 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
2608
2609         PR middle-end/35854
2610         * doc/invoke.texi (rtl debug options): Complete rewrite.
2611         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
2612         to auto_inc_dec".
2613         * mode-switching.c (pass_mode_switching): Rename pass from
2614         "mode-sw" to "mode_sw".
2615         * except.c (pass_convert_to_eh_ranges): Rename pass from
2616         "eh-ranges" to "eh_ranges".
2617         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
2618         to "subreg1".
2619                 
2620         
2621 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
2622             Alexander Monakov  <amonakov@ispras.ru>
2623
2624         PR middle-end/38857
2625         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
2626         register.
2627         (move_exprs_to_boundary): Change return type and pass through
2628         should_move from move_op.  Relax assert.  Update usage ...
2629         (schedule_expr_on_boundary): ... here.  Use should_move instead of
2630         cant_move.
2631         (move_op_orig_expr_found): Indicate that insn was disconnected from
2632         stream.
2633         (code_motion_process_successors): Do not call after_merge_succs
2634         callback if original expression was not found when traversing any of
2635         the branches.
2636         (code_motion_path_driver): Change return type.  Update prototype.
2637         (move_op): Update comment.  Add a new parameter (should_move).  Update
2638         prototype.  Set *should_move based on indication provided by
2639         move_op_orig_expr_found.
2640
2641 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
2642
2643         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
2644         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
2645         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
2646         * config/rs6000/rs6000.c (rs6000_override_options): Default
2647         avoid-indexed-addresses on for Power6, off for everything else.
2648         (avoiding_indexed_address_p): New function.
2649         (rs6000_legitimize_address): Use it.
2650         (rs6000_legitimate_address): Likewise.
2651         * config/rs6000/rs6000.md (movXX_updateX): Likewise
2652
2653 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
2654
2655         PR tree-optimization/38997
2656         * tree-loop-distribution.c (generate_memset_zero): Use
2657         POINTER_PLUS_EXPR for a pointer addition.
2658
2659 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
2660
2661         * config/s390/s390.md (bswap<mode>2): New pattern added.
2662
2663 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
2664
2665         * config/s390/s390.md (*tls_load_31): Added type attribute.
2666
2667 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
2668
2669         * config/s390/s390.md: Fix a few comments.
2670
2671 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
2672
2673         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
2674         (*tm<mode>_full): Fixed z10prop attribute.
2675         (*tst<mode>_extimm): Fixed z10prop attribute.
2676         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
2677         (*tstqiCCT_cconly): Fixed z10prop attribute.
2678         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
2679         (*movsi_larl): Fixed z10prop attribute.
2680         (*movsi_zarch): Fixed z10prop attribute.
2681         (*movsi_eas): Fixed z10prop attribute.
2682         (*movhi): Fixed z10prop attribute.
2683         (*movqi): Fixed z10prop attribute.
2684         (*movstrictqi): Fixed z10prop attribute.
2685         (*mov<mode>): Fixed z10prop attribute.
2686         (*movcc): Fixed z10prop attribute.
2687         (*sethighpartdi_64): Fixed z10prop attribute.
2688         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
2689         (*negdi2_sign_cc): Fixed z10prop attribute.
2690         (*negdi2_sign): Fixed z10prop attribute.
2691         (*absdi2_sign_cc): Fixed z10prop attribute.
2692         (*absdi2_sign): Fixed z10prop attribute.
2693         (*negabsdi2_sign_cc): Fixed z10prop attribute.
2694         (*negabsdi2_sign): Fixed z10prop attribute.
2695         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
2696         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
2697         (doloop_si64): Fixed z10prop attribute.
2698         (doloop_si31): Fixed z10prop attribute.
2699         (doloop_long): Fixed z10prop attribute.
2700         (indirect_jump): Fixed z10prop attribute.
2701         (nop): Fixed z10prop attribute.
2702         (main_base_64): Fixed z10prop attribute.
2703         (reload_base_64): Fixed z10prop attribute.
2704
2705 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
2706
2707         PR rtl-optimization/38740
2708         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
2709         if !optimize.
2710         * config/mips/mips.c (mips_reorg): Likewise.
2711
2712 2009-01-28  Richard Guenther  <rguenther@suse.de>
2713
2714         PR tree-optimization/38926
2715         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
2716         with the correct value id to a value.
2717         (do_regular_insertion): Use the value number of edoubleprime
2718         for the value number of the expr.
2719
2720         Revert
2721         2008-08-21  Richard Guenther  <rguenther@suse.de>
2722
2723         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
2724         a PHI ask VN if it is already available.
2725         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
2726         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
2727
2728 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
2729
2730         PR middle-end/38934
2731         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
2732         set to varying whenever max has TREE_OVERFLOW set, similarly
2733         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
2734
2735 2009-01-28  Richard Guenther  <rguenther@suse.de>
2736
2737         PR middle-end/38908
2738         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
2739         uninitialized aggregate uses in call arguments.
2740
2741 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
2742
2743         PR tree-optimization/38984
2744         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
2745         the nothing_id variable if -fno-delete-null-pointer-checks.
2746
2747 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
2748
2749         PR target/38988
2750         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
2751         (set_got_offset_rex64): Ditto.
2752
2753 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2754
2755         PR target/38941
2756         * doc/extend.texi: Improve local variable with asm reg.
2757
2758 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
2759
2760         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
2761         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
2762         was not supplied then set warn_packed_bitfield_compat to the
2763         default value of 1.
2764         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
2765         against 1.
2766
2767 2009-01-27  Richard Guenther  <rguenther@suse.de>
2768
2769         PR tree-optimization/38503
2770         * cfgexpand.c (expand_gimple_basic_block): Ignore
2771         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
2772         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
2773         variables that cannot have TBAA applied.
2774         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
2775         statements.
2776
2777 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
2778
2779         PR middle-end/38969
2780         * calls.c (initialize_argument_information): Do not wrap complex
2781         arguments in SAVE_EXPR.
2782
2783 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
2784
2785         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
2786         (INSTALL_LIBGCC): Revert typo commit.
2787
2788 2009-01-26  Richard Guenther  <rguenther@suse.de>
2789
2790         PR tree-optimization/38745
2791         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
2792         from special handling.
2793
2794 2009-01-26  Richard Guenther  <rguenther@suse.de>
2795
2796         PR tree-optimization/38745
2797         * tree-ssa.c (execute_update_addresses_taken): Do not include
2798         variables that cannot possibly be a register in not_reg_needs.
2799         Do not clear TREE_ADDRESSABLE on vars that may not become
2800         registers.
2801         * tree-ssa.c (update_alias_info_1): Include those in the set
2802         of addressable vars.
2803
2804 2009-01-26  Richard Guenther  <rguenther@suse.de>
2805
2806         PR middle-end/38851
2807         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
2808         * tree-ssa-dse.c: Include langhooks.h
2809         (execute_simple_dse): Remove stores with zero size.
2810
2811 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
2812
2813         PR c/38957
2814         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
2815         as PLUS_EXPR.
2816
2817 2009-01-24  Julian Brown  <julian@codesourcery.com>
2818
2819         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
2820         config/arm/linux-atomic.c.
2821         * config/arm/linux-atomic.c: New.
2822
2823 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
2824
2825         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
2826         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
2827         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
2828
2829 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2830
2831         PR c/38938
2832         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
2833         properly.
2834
2835 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
2836
2837         PR tree-optimization/38953
2838         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2839         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
2840         (gloog): Split the exit of the scop when the scop exit is a loop exit.
2841         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2842         changed the CFG.
2843
2844 2009-01-24  Paul Brook  <paul@codesourcery.com>
2845
2846         * config/arm/neon.md (neon_type): Move to arm.md.
2847         (neon_mov<VSTRUCT>): Add neon_type attribute.
2848         * config/arm/arm.md (neon_type): Move to here.
2849         (conds): Add "unconditioal" and use as default for NEON insns.
2850
2851 2009-01-24  Ben Elliston  <bje@au.ibm.com>
2852
2853         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
2854         void *' warning from -Wc++-compat.
2855         * Makefile.in (dominance.o-warn): Remove.
2856
2857 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
2858
2859         PR tree-optimization/38932
2860         * fold-const.c (fold_unary_ignore_overflow): New.
2861         * tree.h (fold_unary_ignore_overflow): Declare.
2862         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
2863         * tree-ssa-sccvn.c (visit_reference_op_load,
2864         simplify_unary_expression): Likewise.
2865
2866 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
2867
2868         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2869         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
2870         regardless of their type.
2871         * c-common.c (handle_packed_attribute): Don't ignore packed on
2872         bitfields.
2873         * c.opt (Wpacked-bitfield-compat): New warning option.
2874         * stor-layout.c (place_field): Warn if offset of a field changed.
2875         * doc/extend.texi (packed): Mention the ABI change.
2876         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2877         (Warning Options): Add it to the list.
2878
2879 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2880
2881         * c-opts.c (c_common_post_options): Fix a typo in comments.
2882
2883 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
2884
2885         PR middle-end/38615
2886         * gimplify.c (gimplify_init_constructor): Fix promotion of const
2887         variables to static.
2888         * doc/invoke.texi (-fmerge-all-constants): Update description.
2889
2890 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
2891
2892         PR target/38931
2893         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2894         (*movdi_1_rex64): Use type "mmx" for alternative 5.
2895
2896 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
2897
2898         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2899         a word boundary.
2900         (LOCAL_ALIGNMENT): Similarly.
2901
2902 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
2903             Joseph Myers  <joseph@codesourcery.com>
2904
2905         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2906         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2907         * config/arm/arm-tune.md: Regenerate.
2908         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2909         -march=iwmmxt2.
2910
2911 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
2912
2913         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2914         version number to five.
2915
2916 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
2917
2918         PR c++/38930
2919         * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2920         * c-common.c (set_underlying_type): Likewise.
2921         (is_typedef_decl ): Likewise
2922         * tree.h: Likewise
2923         (set_underlying_type): Likewise.
2924         (is_typedef_type): Likewise.
2925
2926 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
2927
2928         PR middle-end/38587
2929         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2930         crossing setjmps.
2931
2932 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
2933
2934         PR bootstrap/37660
2935         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
2936         (LIBGCC_SPEC):  Don't define.
2937         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
2938
2939 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
2940
2941         PR rtl-optimization/38879
2942         * alias.c (base_alias_check): Unaligned access via AND address can
2943         alias all surrounding object types except those with sizes equal
2944         or wider than the size of unaligned access.
2945
2946 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
2947
2948         PR c++/26693
2949         * c-decl.c: (clone_underlying_type): Move this ...
2950         * c-common.c (set_underlying_type): ... here.
2951         Also, make sure the function properly sets TYPE_STUB_DECL() on
2952         the newly created typedef variant type.
2953         (is_typedef_decl ): New entry point.
2954         * tree.h: Added a new member member_types_needing_access_check to
2955         struct tree_decl_non_common.
2956         (set_underlying_type): New entry point.
2957         (is_typedef_type): Likewise.
2958
2959 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
2960
2961         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2962         Check whether two instructions have memory references that
2963         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
2964         are helper functions for traversing.
2965         * alias.h (insn_alias_sets_confilict_p): New prototypes.
2966         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2967         not to draw dependency edge for instructions with non-conflicting
2968         alias sets.
2969
2970 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
2971
2972         PR other/38758
2973         * longlong.h: Update copyright years.  Use soft-fp license notice.
2974         Sync __clz_tab declaration with glibc.
2975
2976 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
2977
2978         PR target/30687
2979         * doc/extend.texi (syscall_linkage): New.
2980         (version_id): Modify.
2981
2982 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2983             Richard Guenther  <rguenther@suse.de>
2984
2985         PR tree-optimization/38747
2986         PR tree-optimization/38748
2987         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2988         conversion if the base address is an indirect reference and the
2989         aliasing sets could cause issues.
2990
2991 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2992
2993         * common.opt (fgraphite, fgraphite-identity): Add comment for 
2994         explaining why these options are not documented.
2995
2996 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2997
2998         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2999         gimple_call_lhs is NULL.
3000
3001 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
3002
3003         PR target/38868
3004         * emit-rtl.c (adjust_address_1): Make sure memref is never
3005         overwritten.
3006
3007 2009-01-20  Ben Elliston  <bje@au.ibm.com>
3008
3009         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3010         const qualifier from arg parameter. Remove unnecessary cast to char *.
3011         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3012         const qualifier from arg 2.
3013
3014 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
3015
3016         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
3017
3018 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
3019
3020         PR c/38869
3021         * rtl.h (reinit_regs): New prototype.
3022         * regclass.c: Include ira.h.
3023         (reinit_regs): New.
3024         * Makefile.in (regclass.o): Add ira.h.
3025         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
3026
3027 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
3028
3029         PR target/38736
3030         * c-common.c (handle_aligned_attribute): Use
3031         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
3032         default alignment value.
3033
3034         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
3035
3036         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
3037         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
3038
3039         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
3040         __BIGGEST_ALIGNMENT__.
3041
3042         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
3043
3044 2009-01-18  Richard Guenther  <rguenther@suse.de>
3045
3046         PR tree-optimization/38819
3047         * tree-flow.h (operation_could_trap_helper_p): Declare.
3048         * tree-eh.c (operation_could_trap_helper_p): Export.
3049         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
3050         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
3051         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
3052         are about to insert a possibly trapping instruction and fail
3053         in this case.
3054
3055 2009-01-18  Andreas Schwab  <schwab@suse.de>
3056
3057         * doc/install.texi (Configuration): Remove obsolete paragraph
3058         about use of --with-gnu-ld with --with-gnu-as.
3059
3060 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
3061
3062         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
3063         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
3064         Follow spelling conventions.
3065
3066 2009-01-18  Ben Elliston  <bje@au.ibm.com>
3067
3068         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
3069         C++ warning about implicit conversion from void * to struct
3070         bitmap_head_def *.
3071         (bitmap_obstack_free): Likewise for bitmap_element *.
3072         * Makefile.in (bitmap.o-warn): Remove.
3073
3074 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
3075
3076         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
3077
3078 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
3079             Tobias Grosser  <tobi.grosser@amd.com>
3080
3081         * graphite.c (graphite_trans_scop_block): Do not block single
3082         nested loops.
3083
3084 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
3085
3086         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
3087         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
3088         test with assertion.
3089
3090 2009-01-16  Richard Guenther  <rguenther@suse.de>
3091
3092         PR tree-optimization/38835
3093         PR middle-end/36227
3094         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
3095         and INT + PTR -> (INT)(PTR p+ INT) folding.
3096         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
3097
3098 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
3099
3100         PR target/38554
3101         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
3102         the subreg from a lowpart subreg if it is also casting the value.
3103
3104 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3105             Tobias Grosser  <tobi.grosser@amd.com>
3106
3107         * graphite.c (compare_prefix_loops): New.
3108         (build_scop_canonical_schedules): Rewritten.
3109         (graphite_transform_loops): Move build_scop_canonical_schedules
3110         after build_scop_iteration_domain.
3111
3112 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3113             Tobias Grosser  <tobi.grosser@amd.com>
3114
3115         * graphite.c (add_conditions_to_domain): Add the loops to 
3116         the dimension of the iteration domain.  Do copy the domain
3117         only when it exists.
3118         (build_scop_conditions_1): Do not call add_conditions_to_domain.
3119         (add_conditions_to_constraints): New.
3120         (can_generate_code_stmt, can_generate_code): Removed.
3121         (gloog): Do not call can_generate_code.
3122         (graphite_transform_loops): Call add_conditions_to_constraints
3123         after building the iteration domain.
3124
3125 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
3126
3127         PR tree-optimization/38789
3128         * tree-ssa-threadedge.c
3129         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
3130         __builtin_constant_p.
3131
3132 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
3133
3134         * dce.c (delete_unmarked_insns): Reversed the order that insns are
3135         examined before deleting them.
3136         
3137 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
3138
3139         * function.c (aggregate_value_p): Correctly extract the function
3140         type from CALL_EXPR_FN lookup.
3141
3142 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
3143
3144         * config/picochip/picochip.c (picochip_override_options): Revert
3145         CFI asm flag disable commited previously.
3146
3147 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3148             Tobias Grosser  <tobi.grosser@amd.com>
3149             Jan Sjodin  <jan.sjodin@amd.com>
3150
3151         * graphite.c (scan_tree_for_params): On substractions negate
3152         all the coefficients of the term.
3153         (clast_to_gcc_expression_red): New.  Handle reduction expressions
3154         of more than two operands.
3155         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3156         (get_vdef_before_scop): Handle also the case of default definitions.
3157
3158 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
3159
3160         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
3161         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
3162         Also use them when walking CALL_INSN_FUNCTION_USAGE.
3163
3164 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
3165             Joey Ye  <joey.ye@intel.com>
3166
3167         PR middle-end/37843
3168         * cfgexpand.c (expand_stack_alignment): Don't update stack
3169         boundary nor check incoming stack boundary here.
3170         (gimple_expand_cfg): Update stack boundary and check incoming
3171         stack boundary here.
3172
3173 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
3174
3175         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
3176         
3177 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
3178
3179         PR rtl-optimization/38245
3180         * calls.c (expand_call): Add stack arguments to
3181         CALL_INSN_FUNCTION_USAGE even for pure calls (when
3182         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
3183         in regs and partially in memory or BLKmode arguments.
3184         (emit_library_call_value_1): Add stack arguments to
3185         CALL_INSN_FUNCTION_USAGE even for pure calls (when
3186         ACCUMULATE_OUTGOING_ARGS).
3187         * dce.c: Include tm_p.h.
3188         (find_call_stack_args): New function.
3189         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
3190         argument.
3191         (mark_insn): Call find_call_stack_args for CALL_Ps.
3192         (prescan_insns_for_dce): Walk insns backwards in bb rather than
3193         forwards.  Allocate and free arg_stores bitmap if needed, pass it
3194         down to deletable_insn_p, don't mark stores set in arg_stores
3195         bitmap, clear the bitmap at the beginning of each bb.
3196         * Makefile.in (dce.o): Depend on $(TM_P_H).
3197
3198 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
3199
3200         PR target/22599
3201         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
3202         to make sure the insn is a conditional test (bug 22599).  Reformat a
3203         few long lines.
3204
3205 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3206
3207         PR middle-end/38431
3208         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3209         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3210         (gloog): Do not call cleanup_tree_cfg.
3211         (graphite_transform_loops): Call cleanup_tree_cfg after all 
3212         scops have been code generated.
3213
3214 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
3215         * doc/gty.texi (Invoking the garbage collector): Added new node
3216         and section documenting ggc_collect.
3217
3218 2009-01-14  Richard Guenther  <rguenther@suse.de>
3219
3220         PR tree-optimization/38826
3221         PR middle-end/38477
3222         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
3223         initialization notes only if we actually emitted a warning.
3224         (intra_create_variable_infos): Add constraints for a result decl
3225         that is passed by hidden reference.
3226         (build_pred_graph): Mark all related variables non-direct on
3227         address-taking.
3228
3229 2009-01-14  Nick Clifton  <nickc@redhat.com>
3230
3231         * ira-conflicts.c: Include addresses.h for the definition of
3232         base_reg_class.
3233         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
3234         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
3235
3236 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
3237
3238         PR target/38811
3239         * Makefile.in (ira-lives.o): Add except.h.
3240
3241         * ira-lives.c: Include except.h.
3242         (process_bb_node_lives): Process can_throw_internal.
3243
3244 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
3245
3246         PR rtl-optimization/38774
3247         * combine.c (simplify_set): When undoing cc_use change, don't do
3248         PUT_CODE on the newly created comparison, but instead put back the
3249         old comparison.
3250
3251 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
3252
3253         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
3254         values.  Remove duplicate arm8 entry.
3255
3256 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3257
3258         PR tree-optimization/38786
3259         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3260         the SSA_NAME case of expand_scalar_variables_expr.
3261         Set the type of an expression to the type of its assign statement.
3262         (expand_scalar_variables_expr): Also gather the scalar computation
3263         used to index the memory access.  Do not pass loop_p.
3264         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
3265         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3266         the gimple_stmt_iterator where it inserts new code.
3267         Do not pass loop_p.
3268         (copy_bb_and_scalar_dependences): Do not pass loop_p.
3269         (translate_clast): Update call to copy_bb_and_scalar_dependences.
3270
3271 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3272
3273         * graphite.h (debug_value): Removed.
3274         * graphite.c (debug_value): Removed.
3275
3276 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
3277
3278         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
3279         ldrd/strd with two 32-bit instructions.
3280
3281 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
3282
3283         * config/arm/arm.c (struct processors): Pass for speed down into
3284         cost helper functions.
3285         (const_ok_for_op): Handle COMPARE and inequality nodes.
3286         (arm_rtx_costs_1): Rewrite.
3287         (arm_size_rtx_costs): Update prototype.
3288         (arm_rtx_costs): Pass speed down to helper functions.
3289         (arm_slowmul_rtx_costs): Rework cost calculations.
3290         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
3291         (arm_9e_rtx_costs): Likewise.
3292
3293 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
3294
3295         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
3296         relocations of local symbols wider than UNITS_PER_WORD are not valid.
3297         (alpha_legitimize_address): Do not split local symbols wider than
3298         UNITS_PER_WORD into HIGH/LO_SUM parts.
3299
3300 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
3301
3302         PR bootstrap/38580
3303         * gcc.c (process_command): Replace call to execvp with calls
3304         to pex_one and exit.
3305
3306 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
3307
3308         PR target/29141
3309         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
3310         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
3311         variant for devices with 3-byte PC.
3312         (__tablejump_elpm__) : New.
3313
3314 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
3315
3316         PR c/32041
3317         * c-parser.c (c_parser_postfix_expression): Allow `->' in
3318         offsetof member-designator, handle it as `[0].'.
3319
3320 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3321
3322         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
3323         function when not using named sections on targets with named sections
3324         if branch distance is less than 262132.
3325
3326 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
3327
3328         * combine.c (combine_instructions):  Recompute
3329         optimize_this_for_speed_p  for each BB in the main combine loop.
3330
3331 2009-01-12  Tomas Bily  <tbily@suse.cz>
3332
3333         PR middlend/38385
3334         * tree-loop-distribution.c (prop_phis): New function.
3335         (generate_builtin): Call prop_phis.
3336         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
3337
3338 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
3339
3340         PR tree-optimization/38807
3341         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
3342         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
3343
3344 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
3345
3346         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
3347         subreg of op0 to the original op0.
3348
3349 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
3350
3351         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
3352         
3353 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
3354
3355         PR debug/7055
3356         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
3357         starting with digits.
3358
3359 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
3360
3361         PR target/38695
3362         * config/arm/arm.c (arm_is_long_call_p): Don't call
3363         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
3364
3365 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
3366
3367         * regrename.c (regrename_optimize): Fix dumping.
3368         (find_oldest_value_reg): Preserve REG_POINTER.
3369         (copy_hardreg_forward_1): Likewise.
3370
3371 2009-01-09  Diego Novillo  <dnovillo@google.com>
3372
3373         * gimple.h (struct gimple_statement_base) <uid>: Document
3374         the restrictions on its use.
3375         (gimple_uid): Tidy.
3376         (gimple_set_uid): Tidy.
3377
3378 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
3379
3380         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
3381         zero guard even if align_bytes != 0 and count is smaller than
3382         size_needed.
3383
3384 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
3385
3386         PR rtl-optimization/38495
3387         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
3388         (add_range_and_copies_from_move_list): Print all added ranges.
3389         Add ranges to memory optimized destination.
3390
3391 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
3392
3393         PR target/38686
3394         PR target/38708
3395         * config/i386/i386.c (override_options): Reject
3396         -mstringop-strategy=rep_8byte with -m32.
3397         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
3398         to 1.  Do count comparison against epilogue_size_needed at compile
3399         time even when count_exp was constant forced into register.  For
3400         size_needed don't jump to epilogue, instead just avoid aligning
3401         and invoke the body algorithm.  If need_zero_guard, add zero guard
3402         even if count is non-zero, but smaller than size_needed + number of
3403         bytes that could be stored for alignment.
3404         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
3405         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
3406         but smaller than size_needed + number of bytes that could be stored
3407         for alignment.  Compare size_needed with epilogue_size_needed instead
3408         of desired_align - align, don't adjust size_needed, pass
3409         epilogue_size_needed to the epilogue expanders.
3410
3411         PR c/35742
3412         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
3413
3414 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3415
3416         * pa.c (last_address): Change to unsigned.
3417         (update_total_code_bytes): Change argument to unsigned.  Don't
3418         check if insn addresses are set.
3419         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
3420         addresses are not set.
3421         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
3422
3423 2009-01-09  Nick Clifton  <nickc@redhat.com>
3424
3425         * config/sh/symbian.c: Replace uses of DECL_INLINE with
3426         DECL_DECLARED_INLINE_P.
3427
3428 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
3429
3430         PR middle-end/38347
3431         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
3432         GET_MODE (op0) in operand_subword_force calls.
3433
3434         PR middle-end/38771
3435         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
3436         fold_convert arg0 operands to TREE_TYPE (op0) first.
3437
3438 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
3439
3440         * params.def (ira-max-conflict-table-size): Decrease default value
3441         to 1000.
3442
3443 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
3444
3445         PR tree-optimization/37031
3446         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
3447         on parameter_set.
3448         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
3449         allocate it using gc instead of heap, use VEC_quick_push instead of
3450         VEC_safe_push.
3451         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
3452         instead of heap, use VEC_quick_push instead of VEC_safe_push.
3453         * tree-data-ref.h (struct access_matrix): Change matrix to gc
3454         allocated vector from heap allocated.
3455         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
3456         * tree-loop-linear.c (linear_transform_loops): Allocate nest
3457         vector only after perfect_loop_nest_depth call.
3458
3459 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3460             Jan Sjodin  <jan.sjodin@amd.com>
3461
3462         PR tree-optimization/38559
3463         * graphite.c (debug_value, copy_constraint,
3464         swap_constraint_variables, scale_constraint_variable, ): New.
3465         (get_lower_bound, get_upper_bound): Removed.
3466         (graphite_trans_bb_strip_mine): Clean up this code that works
3467         only for constant number of iterations.  Fully copy upper and
3468         lower bound constraints, not only the constant part of them.
3469         * graphite.h (debug_value): Declared.
3470
3471 2009-01-08  Ira Rosen  <irar@il.ibm.com>
3472
3473         PR tree-optimization/37194
3474         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
3475         Don't add the cost of cost model guard in prologue to scalar 
3476         outside cost in case of known number of iterations.
3477
3478 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
3479             Alan Modra  <amodra@bigpond.net.au>
3480
3481         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
3482         non-word-aligned REG+CONST addressing.
3483
3484 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
3485
3486         PR target/38706
3487         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
3488         free_after_compilation when outputting a thunk.
3489         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
3490         Do not call free_after_compilation here.
3491
3492 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
3493
3494         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
3495         (ix86_valid_target_attribute_inner_p): Ditto.
3496
3497 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
3498
3499         PR tree-optimization/38492
3500         PR tree-optimization/38498
3501         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3502         * tree-chrec.h (scev_is_linear_expression): Declared.
3503         * graphite.c (graphite_cannot_represent_loop_niter): New.
3504         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3505         (graphite_loop_normal_form): Use gcc_assert.
3506         (scan_tree_for_params): Use CASE_CONVERT.