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2009-05-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2
3         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
4         libcpp interface change.
5         (spu_macro_to_expand): Likewise.
6
7 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
8
9         PR tree-optimization/40026
10         * gimplify.c (gimplify_init_constructor): Change initial conditional
11         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
12         optimize_compound_literals_in_ctor.
13
14 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
15
16         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
17         New devices.
18         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
19
20 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
21
22         * tree-vect-data-refs.c (vect_analyze_group_access): Use
23         HOST_WIDE_INT for gap.
24
25 2009-05-11  Ira Rosen  <irar@il.ibm.com>
26
27         PR tree-optimization/40074
28         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
29         account in group size and step comparison.
30
31 2009-05-11  Richard Guenther  <rguenther@suse.de>
32
33         * passes.c (init_optimization_passes): Strip now incorrect comment.
34         (execute_function_todo): Do not set PROP_alias.
35         * tree-pass.h (PROP_alias): Remove.
36         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
37         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
38         * tree-nrv.c (pass_return_slot): Likewise.
39         * tree-object-size.c (pass_object_sizes): Likewise.
40         * tree-ssa-dom.c (pass_dominator): Likewise.
41         (pass_phi_only_cprop): Likewise.
42         * tree-ssa-dse.c (pass_dse): Likewise.
43         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
44         (pass_cselim): Likewise.
45         * tree-ssa-pre.c (pass_pre): Likewise.
46         (pass_fre): Likewise.
47         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
48         * tree-ssa-sink.c (pass_sink_code): Likewise.
49         * tree-stdarg.c (pass_stdarg): Likewise.
50         * tree-tailcall.c (pass_tail_calls): Likewise.
51         * tree-vrp.c (pass_vrp): Likewise.
52
53 2009-05-10  Ian Lance Taylor  <iant@google.com>
54
55         * basic-block.h (enum profile_status): Break out of struct
56         control_flow_graph.
57         * cgraph.h (struct inline_summary): Break out of struct
58         cgraph_local_info.
59         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
60         of struct cgraph_order_sort.
61         * combine.c (enum undo_kind): New enum, broken out of struct
62         undo.
63         * cse.c (struct branch_path): Break out of struct
64         cse_basic_block_data.
65         * except.h (enum eh_region_type): Break out of struct eh_region.
66         * gcc.c (enum add_del): Break out of struct modify_target.
67         * genrecog.c (enum decision_type): Break out of struct
68         decision_test.
69         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
70         ggc_pch_data.
71         * matrix-reorg.c (struct free_info): Break out of struct
72         matrix_info.
73         * regmove.c (enum match_use): New enum, broken out of struct
74         match.
75         * sched-int.h (enum post_call_group): New enum, broken out of
76         struct deps.
77         (struct deps_reg): Break out of struct deps.
78         * target.h (struct asm_int_op): Break out of struct gcc_target.
79         * tree-eh.c (struct goto_queue_node): Break out of struct
80         leh_tf_state.
81         * tree-inline.h (enum copy_body_cge_which): Break out of
82         copy_body_data.
83         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
84
85         * c-decl.c (in_struct, struct_types): New static variables.
86         (pushtag): Add loc parameter.  Change all callers.
87         (lookup_tag): Add ploc parameter.  Change all callers.
88         (check_compound_literal_type): New function.
89         (parser_xref_tag): Add loc parameter.  Change all callers.  If
90         -Wc++-compat, warn about struct/union/enum types defined within a
91         struct or union.
92         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
93         and loc parameters.  Change all callers.  Change error calls to
94         error_at, using loc.  For a redefinition, if the location of the
95         original definition is known, report it.  Set in_struct and
96         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or
97         alignof.
98         (finish_struct): Add new parameters enclosing_in_struct and
99         enclosing_struct_types.  Change all callers.  Set
100         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
101         in the struct.  If in a struct, add this struct to struct_types.
102         (start_enum): Add loc parameter.  Change all callers.  Use
103         error_at for errors, using loc.  For a redefinition, if the
104         location of the original definition is known, report it.  If in a
105         struct, add this enum type to struct_types.  If -Wc++-compat warn
106         if in sizeof, typeof, or alignof.
107         * c-parser.c (disable_extension_diagnostics): Disable
108         -Wc++-compat.
109         (enable_extension_diagnostics): Reenable -Wc++-compat if
110         appropriate.
111         (c_parser_enum_specifier): Get enum location for start_enum.
112         (c_parser_struct_or_union_specifier): Get struct location for
113         start_struct.  Save in_struct and struct_types status between
114         start_struct and finish_struct.
115         (c_parser_cast_expression): Get location of cast.
116         (c_parser_alignof_expression): Get location of type.
117         (c_parser_postfix_expression): Likewise.
118         (c_parser_postfix_expression_after_paren_type): Add type_loc
119         parameter.  Change all callers.  Call
120         check_compound_literal_type.  Use type_loc for error about
121         variable size type.
122         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a
123         use of an enum constant from an enum type defined in a struct or
124         union.
125         (c_cast_expr): Add loc parameter.  Change all callers.  If
126         -Wc++-compat, warn about defining a type in a cast.
127         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
128         (start_enum, start_struct, finish_struct): Update declarations.
129         (parser_xref_tag, c_cast_expr): Update declarations.
130         (check_compound_literal_type): Declare.
131
132 2009-05-11  Ben Elliston  <bje@au.ibm.com>
133
134         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
135         for recent libcpp interface change.
136         (rs6000_macro_to_expand): Likewise.
137
138 2009-05-10  Michael Matz  <matz@suse.de>
139
140         PR target/40031
141         * config/arm/arm.c (require_pic_register): Emit on entry edge,
142         not at entry of function.
143
144 2009-05-10  Richard Guenther  <rguenther@suse.de>
145
146         PR tree-optimization/40081
147         Revert
148         * tree-sra.c (instantiate_element): Instantiate scalar replacements
149         using the main variant of the element type.  Do not fiddle with
150         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
151
152         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
153         structs with volatile fields.
154
155 2009-05-10  Jan Hubicka  <jh@suse.cz>
156
157         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
158         (estimate_move_cost): Assert that it does not get called for VOID_TYPE_P.
159         (estimate_num_insns): Skip VOID types in argument handling.
160         (optimize_inline_calls): Delete unreachable blocks and verify that
161         callgraph is valid.
162
163 2009-05-10  Jan Hubicka  <jh@suse.cz>
164
165         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
166         * cgraph.c (cgraph_mark_address_taken_node): New function.
167         (dump_cgraph_node): Dump new flag.
168         * cgraph.h (struct cgraph_node): Add address_taken.
169         (cgraph_mark_address_taken_node): New function.
170         * ipa.c (cgraph_postorder): Prioritize functions with address taken
171         since new direct calls can be born.
172
173 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
174
175         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
176         tok->val.node.node.
177
178 2009-05-10  Jan Hubicka  <jh@suse.cz>
179
180         PR middle-end/40084
181         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
182         argument; rewrite.
183         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
184         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
185         * tree-inline.c (copy_bb): Set frequency correctly.
186         (fold_marked_statements): Update call to
187         cgraph_update_edges_for_call_stmt.
188
189 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
190
191         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
192         identifiers in diagnostics.
193         * config/arm/arm.c (arm_handle_fndecl_attribute,
194         arm_handle_isr_attribute): Likewise.
195         * config/avr/avr.c (avr_handle_progmem_attribute,
196         avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
197         Likewise.
198         * config/bfin/bfin.c (handle_int_attribute,
199         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
200         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
201         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
202         Likewise.
203         * config/darwin.c (darwin_handle_kext_attribute,
204         darwin_handle_weak_import_attribute): Likewise.
205         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
206         h8300_handle_eightbit_data_attribute,
207         h8300_handle_tiny_data_attribute): Likewise.
208         * config/i386/i386.c (ix86_handle_cconv_attribute,
209         ix86_handle_abi_attribute, ix86_handle_struct_attribute):
210         Likewise.
211         * config/i386/winnt.c (ix86_handle_shared_attribute,
212         ix86_handle_selectany_attribute): Likewise.
213         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
214         * config/m32c/m32c.c (function_vector_handler): Likewise.
215         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
216         m68hc11_handle_fntype_attribute): Likewise.
217         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
218         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
219         * config/mips/mips.c (mips_insert_attributes,
220         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
221         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
222         rs6000_handle_struct_attribute): Likewise.
223         * config/sh/sh.c (sh_insert_attributes,
224         sh_handle_resbank_handler_attribute,
225         sh_handle_interrupt_handler_attribute,
226         sh2a_handle_function_vector_handler_attribute,
227         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
228         Likewise.
229         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
230         * config/spu/spu.c (spu_handle_fndecl_attribute,
231         spu_handle_vector_attribute): Likewise.
232         * config/stormy16/stormy16.c
233         (xstormy16_handle_interrupt_attribute): Likewise.
234         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
235         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
236
237 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
238
239         * pretty-print.h (struct pretty_print_info): Add
240         translate_identifiers.
241         (pp_translate_identifiers): New.
242         (pp_identifier): Only conditionally translate identifier to locale
243         character set.
244         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
245         (pp_base_tree_identifier): Only conditionally translate identifier
246         to locale character set.
247         * c-pretty-print.c (M_): Define.
248         (pp_c_type_specifier, pp_c_primary_expression): Mark English
249         fragments for conditional translation with M_.
250         * tree-pretty-print.c (maybe_init_pretty_print): Disable
251         identifier translation.
252
253 2009-05-10  Richard Guenther  <rguenther@suse.de>
254
255         PR tree-optimization/40081
256         * tree-sra.c (instantiate_element): Instantiate scalar replacements
257         using the main variant of the element type.  Do not fiddle with
258         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
259
260 2009-05-09  Jan Hubicka  <jh@suse.cz>
261
262         PR middle-end/40080
263         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
264         indirect calls; verify cgraph afterwards.
265
266 2009-05-09  Jan Hubicka  <jh@suse.cz>
267
268         PR bootstrap/40082
269         * ipa.c (update_inlined_to_pointer): New function.
270         (cgraph_remove_unreachable_nodes): Use it.
271
272 2009-05-09  Jan Hubicka  <jh@suse.cz>
273
274         * tree-eh.c (struct leh_state): Remove prev_try.
275         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
276         not track prev_try.
277         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
278         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
279         remove_eh_handler_and_replace, foreach_reachable_handler,
280         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
281         * except.h (struct eh_region): Remove eh_region_u_cleanup.
282         (gen_eh_region_cleanup): Update prototype.
283
284 2009-05-09  Jan Hubicka  <jh@suse.cz>
285
286         PR middle-end/40043
287         * except.c (copy_eh_region): Always set prev_try.
288         (redirect_eh_edge_to_label): Find outer try.
289         (foreach_reachable_handler): When looking for prev try
290         handle case where previous try is not going to be taken.
291
292 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
293
294         PR tree-optimization/40049
295         * tree-vect-stmts.c (vectorizable_operation): If the machine has
296         only vector/vector shifts, convert the type of the constant to the
297         appropriate type to avoid building incorrect trees, which
298         eventually have problems with garbage collection.
299
300 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
301
302         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
303         -1 for complex floating-point types if honoring signed zeros.
304
305 2009-05-08  Jan Hubicka  <jh@suse.cz>
306
307         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
308         argument; handle correctly when profile is absent.
309         (build_cgraph_edges): Update.
310         (rebuild_cgraph_edges): Update.
311         * cgraph.c: Do not include varray.h.
312         (cgraph_set_call_stmt_including_clones): New function.
313         (cgraph_create_edge_including_clones): Likewise
314         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
315         (cgraph_update_edges_for_call_stmt): Handle clones.
316         (cgraph_remove_node): Handle clone tree.
317         (cgraph_remove_node_and_inline_clones): New function.
318         (dump_cgraph_node): Dump clone tree.
319         (cgraph_clone_node): Handle clone tree.
320         (clone_function_name): Bring here from tree-inline.c.
321         (cgraph_create_virtual_clone): New function.
322         * cgraph.h (ipa_replace_map): Move here from ipa.h.
323         (cgraph_clone_info): New function.
324         (strut cgraph_node): Add clone_info and new clone tree pointers.
325         (cgraph_remove_node_and_inline_clones,
326         cgraph_set_call_stmt_including_clones,
327         cgraph_create_edge_including_clones,
328         cgraph_create_virtual_clone): Declare.
329         (cgraph_function_versioning): Use VEC argument.
330         (compute_call_stmt_bb_frequency): Update prototype.
331         (cgraph_materialize_all_clones): New function.
332         * ipa-cp.c (ipcp_update_cloned_node): Remove.
333         (ipcp_create_replace_map): Update to VECtors.
334         (ipcp_update_callgraph): Use virtual clones.
335         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
336         (ipcp_update_profiling): Do not update local profiling.
337         (ipcp_insert_stage): Use VECtors and virtual clones.
338         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
339         (clone_of_p): New function.
340         (cgraph_preserve_function_body_p): Use clone tree.
341         (cgraph_optimize): Materialize clones.
342         (cgraph_function_versioning): Update for VECtors.
343         (save_inline_function_body): Use clone tree.
344         (cgraph_materialize_clone): New function.
345         (cgraph_materialize_all_clones): Likewise.
346         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
347         * ipa.c: Include gimple.h.
348         (cgraph_remove_unreachable_nodes): Use clone tree.
349         * ipa-prop.c (ipa_note_param_call): Update call to
350         compute_call_stmt_bb_frequencycall.
351         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
352         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
353         (copy_bb): Handle updating of clone tree; add new edge when new call
354         appears.
355         (expand_call_inline): Be strict about every call having edge.
356         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
357         (delete_unreachable_blocks_update_callgraph): New function.
358         (tree_function_versioning): Use VECtors; always remove unreachable
359         blocks and fold conditionals.
360         * tree-inline.h: Do not include varray.h.
361         (tree_function_versioning): Remove.
362         * Makefile.in (GTFILES): Remove tree-inline.c
363         * passes.c (do_per_function): Do only functions having body.
364         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
365         tree.
366
367 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
368             Andrew Morrow  <acm@google.com>
369
370         PR c/36892
371         * c-common.c (c_common_attribute_table): Permit deprecated
372         attribute to take an optional argument.
373         (handle_deprecated_attribute): If the optional argument to
374         __attribute__((deprecated)) is not a string ignore the attribute
375         and emit a warning.
376
377         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
378         * c-typeck.c (build_component_ref): Likewise.
379         (build_external_ref): Likewise.
380
381         * toplev.c (warn_deprecated_use): Add an attribute argument.
382         Emit the message associated with __attribute__((deprecated)).
383
384         * toplev.h (warn_deprecated_use): Updated.
385
386         * doc/extend.texi: Document new optional parameter to
387         __attribute__((deprecated))
388
389 2009-05-08  Michael Eager <eager@eagercon.com>
390
391         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
392         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
393
394 2009-05-08  Richard Guenther  <rguenther@suse.de>
395
396         PR tree-optimization/40062
397         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
398         Avoid exponential behavior.
399
400 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
401
402         PR rtl-optimization/33928
403         PR 26854
404         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
405         process_uses, build_single_def_use_links): New.
406         (update_df): Update use_def_ref.
407         (forward_propagate_into): Use get_def_for_use instead of use-def
408         chains.
409         (fwprop_init): Call build_single_def_use_links and let it initialize
410         dataflow.
411         (fwprop_done): Free use_def_ref.
412         (fwprop_addr): Eliminate duplicate call to df_set_flags.
413         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
414         df_rd_simulate_one_insn): New.
415         (df_rd_bb_local_compute_process_def): Update head comment.
416         (df_chain_create_bb): Use the new RD simulation functions.
417         * df.h (df_rd_simulate_artificial_defs_at_top, 
418         df_rd_simulate_one_insn): New.
419         * opts.c (decode_options): Enable fwprop at -O1.
420         * doc/invoke.texi (-fforward-propagate): Document this.
421
422 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
423
424         PR c/24581
425         * c-typeck.c (build_binary_op): Handle arithmetic between one real
426         and one complex operand specially.
427         * tree-complex.c (some_nonzerop): Do not identify a real value as
428         zero if flag_signed_zeros.
429
430 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
431
432         PR rtl-optimization/33928
433         * loop-invariant.c (record_use): Fix && vs. || mishap.
434
435 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
436
437         PR rtl-optimization/33928
438         * loop-invariant.c (struct use): Add addr_use_p.
439         (struct def): Add n_addr_uses.
440         (struct invariant): Add cheap_address.
441         (create_new_invariant): Set cheap_address.
442         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
443         (record_uses): Pass df_ref to record_use.
444         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
445         used only as such.
446
447 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
448
449         * config/sh/sh.c: Do not include c-pragma.h.
450
451 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
452
453         * config/spu/spu.c: Remove include of c-common.h.
454
455 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
456
457         PR c/39037
458         * c-common.h (mark_valid_location_for_stdc_pragma,
459         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
460         clear_float_const_decimal64, float_const_decimal64_p): New.
461         * c.opt (Wunsuffixed-float-constants): New.
462         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
463         unsuffixed float constant, handle new warning.
464         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
465         * c-decl.c (c_scope): New flag float_const_decimal64.
466         (set_float_const_decimal64, clear_float_const_decimal64,
467         float_const_decimal64_p): New.
468         (push_scope): Set new flag.
469         * c-parser.c (c_parser_translation_unit): Mark when it's valid
470         to use STDC pragmas.
471         (c_parser_external_declaration): Ditto.
472         (c_parser_compound_statement_nostart): Ditto.
473         * c-pragma.c (valid_location_for_stdc_pragma,
474         mark_valid_location_for_stdc_pragma,
475         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
476         handle_pragma_float_const_decimal64): New.
477         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
478         * cp/semantics.c (valid_location_for_stdc_pragma_p,
479         set_float_const_decimal64, clear_float_const_decimal64,
480         float_const_decimal64_p): New dummy functions.
481         * doc/extend.texi (Decimal Float): Remove statement that the
482         pragma, and suffix for double constants, are not supported.
483         * doc/invoke.texi (Warning Options): List new option.
484         (-Wunsuffixed-float-constants): New.
485
486 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
487
488         * config/i386/i386.c: Do not include c-common.h.
489
490 2009-05-07  Mark Heffernan  <meheff@google.com>
491
492         * doc/invoke.texi (Debugging Options): Document change of debugging
493         dump location.
494         * opts.c (decode_options): Make dump_base_name relative to
495         aux_base_name directory.
496
497 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
498
499         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
500         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
501
502 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
503
504         * Makefile.in (install-plugin): Simplify a bit.
505
506 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
507
508         * Makefile.in (OBJS-common): Add regcprop.o.
509         (regcprop.o): New.
510         * timevar.def (TV_CPROP_REGISTERS): New.
511         * regrename.c (regrename_optimize): Return 0.
512         (rest_of_handle_regrename): Delete.
513         (pass_rename_registers): Point to regrename_optimize.
514         (struct value_data_entry, struct value_data, 
515         kill_value_one_regno, kill_value_regno, kill_value,
516         set_value_regno, init_value_data, kill_clobbered_value,
517         kill_set_value, kill_autoinc_value, copy_value,
518         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
519         replace_oldest_value_reg, replace_oldest_value_addr,
520         replace_oldest_value_mem, copyprop_hardreg_forward_1,
521         debug_value_data, validate_value_data): Move...
522         * regcprop.c: ... here.
523         (rest_of_handle_cprop): Delete.
524         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
525
526 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
527
528         PR middle-end/40057
529         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
530         GEN_INT for 1 << bitnum.
531         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
532         build_int_cst_type.
533
534 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
535
536         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
537         Remove wrong description of "nand" operation.
538
539 2009-05-06  Richard Guenther  <rguenther@suse.de>
540             Adam Nemet  <anemet@caviumnetworks.com>
541
542         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
543         comment.  Add that if LHS is not a gimple register, then RHS1 has
544         to be a single object (GIMPLE_SINGLE_RHS).
545
546 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
547
548         * expr.c (get_def_for_expr): Move it up in the file.
549         (store_field): When expanding a bit-field store, look at the
550         defining gimple stmt for the masking conversion.
551
552 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
553
554         PR middle-end/39986
555         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
556         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
557         32-bit memcpy into long.
558
559 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
560
561         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
562         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
563         new_reg_loc_descr.
564         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
565         instead of appending DW_OP_deref*.
566
567 2009-05-06  Michael Matz  <matz@suse.de>
568
569         PR middle-end/40021
570         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
571         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
572
573 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
574
575         * Makefile.in (install-plugin): Fix srcdir handling.
576
577 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
578
579         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
580         when processing for not_regs_needed bitmap.
581         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
582         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
583         handling it for rhs. 
584
585 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
586
587         * config/i386/i386.md (unnamed inc/dec peephole): Use
588         optimize_insn_for_size_p instead of optimize_size.
589         * config/i386/predicates.md (incdec_operand): Likewise.
590         (aligned_operand): Likewise.
591         * config/i386/sse.md (divv8sf3): Likewise.
592         (sqrtv8sf2): Likewise.
593
594 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
595
596         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
597
598         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
599
600 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
601
602         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
603         ssemodesuffixf2c with avxmodesuffixf2c.
604
605 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
606
607         PR c/40032
608         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
609
610 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
611
612         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
613         (struct tree_base): Adjust spacing for 8 bit boundaries.
614         (struct tree_decl_common): Add decl_by_reference_flag bit.
615         (DECL_BY_REFERENCE): Adjust.
616         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
617         print DECL_BY_REFERENCE bit.
618         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
619         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
620         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
621         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
622         unconditionally.
623
624         PR middle-end/39666
625         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
626         range of the type, but default label is missing, add it with one
627         of the existing labels instead of adding a new label for it.
628
629 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
630
631         * dwarf.h: Remove.
632
633 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
634
635         * Makefile.in (enable_plugin, plugin_includedir): New.
636         (install): Depend on install-plugin.
637         (PLUGIN_HEADERS): New.
638         (install-plugin): New.
639         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
640
641 2009-05-05  Richard Guenther  <rguenther@suse.de>
642
643         PR tree-optimization/40022
644         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
645         the only vuse.
646         (phivn_valid_p): Fix tuplification error, simplify.
647         (phiprop_insert_phi): Add dumps.
648         (propagate_with_phi): Simplify.
649
650 2009-05-05  Richard Guenther  <rguenther@suse.de>
651
652         PR middle-end/40023
653         * builtins.c (gimplify_va_arg_expr): Properly build the address.
654
655 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
656
657         * tree.h (strip_float_extensions): Remove duplicate declaration.
658         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
659         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
660         block_ultimate_origin): Rearrange the declarations line to match the
661         comment that indicates the .c file which the functions are defined.
662         (dwarf2out_*, set_decl_rtl): Add comment.
663         (get_base_address): Adjust comment.
664         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
665         declarations line and add comment.
666         (is_builtin_name): Add blank after function name, for clarity.
667
668 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
669
670         * attribs.c (decl_attributes): Use %qE for identifiers in
671         diagnostics.
672         * cgraphunit.c (verify_cgraph_node): Translate function names to
673         locale character set in diagnostics.
674         * coverage.c (get_coverage_counts): Use %qE for identifiers in
675         diagnostics.
676         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
677         Document that functions are named in UTF-8.
678         * expr.c (expand_expr_real_1): Translate function names to locale
679         character set in diagnostics.
680         * gimplify.c (omp_notice_variable, omp_is_private,
681         gimplify_scan_omp_clauses): Use %qE for identifiers in
682         diagnostics.
683         * langhooks.c (lhd_print_error_function): Translate function names
684         to locale character set.
685         * langhooks.h (decl_printable_name): Document that return value is
686         in internal character set.
687         * stmt.c: Include pretty-print.h
688         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
689         diagnostics.
690         (resolve_operand_name_1): Translate named operand name to locale
691         character set.
692         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
693         diagnostics.
694         * toplev.c (announce_function): Translate function names to locale
695         character set.
696         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
697         (default_tree_printer): Use pp_identifier or translate identifiers
698         to locale character set.  Mark "<anonymous>" for translation.
699         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
700         for identifiers in diagnostics.
701         * tree.c (handle_dll_attribute): Use %qE for identifiers in
702         diagnostics.
703         * varasm.c (output_constructor): Use %qE for identifiers in
704         diagnostics.
705
706 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
707
708         * configure.ac: use ` ` instead of $()
709         * configure: Regenerate.
710
711 2009-05-05  Ben Elliston  <bje@au.ibm.com>
712
713         * config/pa/linux-atomic.c: Eliminate conditional include of
714         errno.h on non-LP64 systems to simplify build requirements.
715
716 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
717
718         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
719         diagnostics.
720         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
721         and pass value to identifier_to_locale.
722         (warn_variable_length_array): Make name a tree.
723         (grokdeclarator): Separate diagnostic texts for named and unnamed
724         declarators.  Use %qE for named declarators.
725         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
726         diagnostics.
727         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
728         identifiers in diagnostics.
729         * c-typeck.c (push_member_name, start_init): Pass identifiers to
730         identifier_to_locale.  Mark "anonymous" strings for translation.
731
732 2009-05-04  Michael Eager <eager@eagercon.com>
733
734         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
735         address for DImode/DFmode only if double-precision FP regs.
736
737 2009-05-04  Michael Eager <eager@eagercon.com>
738
739         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
740         TARGET_SINGLE_FLOAT check.
741
742 2009-05-04  Michael Eager <eager@eagercon.com>
743
744         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
745
746 2009-05-04  Michael Eager <eager@eagercon.com>
747
748         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
749         * config/rs6000/t-xilinx: New
750
751 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
752
753         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
754         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
755         * gcc/explow.c (memory_address): Use target hook.
756         * gcc/targhooks.c (default_legitimize_address): New.
757         * gcc/targhooks.h (default_legitimize_address): New.
758         * gcc/target.h (legitimize_address): New.
759         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
760         (TARGET_INITIALIZER): Include it.
761         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
762
763         * config/bfin/bfin-protos.h (legitimize_address): Remove.
764         * config/bfin/bfin.c (legitimize_address): Remove.
765         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
766         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
767         Remove.
768         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
769         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
770
771         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
772         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
773         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
774         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
775         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
776         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
777         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
778         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
779         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
780         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
781         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
782         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
783         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
784         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
785         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
786         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
787         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
788         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
789         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
790         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
791         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
792         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
793         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
794
795         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
796         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
797         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
798         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
799         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
800         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
801         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
802         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
803         (thumb_legitimize_address): Delete.
804         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
805         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
806         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
807         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
808         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
809         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
810         Delete.
811         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
812         Delete.
813
814         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
815         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
816         * config/m32r/m32r.c (m32r_legitimize_address): New.
817         * config/m68k/m68k.c (m68k_legitimize_address): New.
818         * config/score/score.c (score_legitimize_address): Standardize.
819         * config/score/score3.c (score3_legitimize_address): Standardize.
820         * config/score/score3.h (score3_legitimize_address): Adjust.
821         * config/score/score7.c (score7_legitimize_address): Standardize.
822         * config/score/score7.h (score7_legitimize_address): Adjust.
823         * config/sh/sh.c (sh_legitimize_address): New.
824         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
825
826         * gcc/config/s390/s390.c (legitimize_address): Rename to...
827         (s390_legitimize_address): ... this.
828         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
829         (sparc_legitimize_address): ... this.
830         * gcc/config/i386/i386.c (legitimize_address): Rename to...
831         (ix86_legitimize_address): ... this.
832         * gcc/config/avr/avr.c (legitimize_address): Rename to...
833         (avr_legitimize_address): ... this.
834         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
835         (mn10300_legitimize_address): ... this.
836         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
837         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
838         (alpha_expand_mov): Adjust call.
839
840         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
841         * config/spu/spu.c (spu_legitimize_address): Likewise.
842         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
843         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
844
845 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
846
847         * intl.c (locale_encoding, locale_utf8): New.
848         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
849         * intl.h (locale_encoding, locale_utf8): Declare.
850         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
851         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
852         New.
853         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
854         argument.
855         (pp_tree_identifier): Define to call pp_base_tree_identifier.
856         (pp_base_tree_identifier): Declare as function.
857         (identifier_to_locale): Declare.
858         * Makefile.in (pretty-print.o): Update dependencies.
859         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
860
861 2009-05-04  Richard Guenther  <rguenther@suse.de>
862
863         PR middle-end/40015
864         * builtins.c (fold_builtin_memory_op): Do not decay to element
865         type if the size matches the whole array.
866
867 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
868
869         * expmed.c (synth_mult): When trying out a shift, pass the result
870         of a signed shift.
871
872 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
873
874         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
875         (shiftsub1_cost): New.
876         (init_expmed): Compute shiftsub1_cost.
877         (synth_mult): Optimize multiplications by constants of the form
878         -(2^^m-1) for some constant positive integer m.
879
880 2009-05-03  Richard Guenther  <rguenther@suse.de>
881
882         PR c/39983
883         * c-typeck.c (array_to_pointer_conversion): Do not built
884         ADDR_EXPRs of arrays of pointer-to-element type.
885         * c-gimplify.c (c_gimplify_expr): Revert change fixing
886         up wrong ADDR_EXPRs after-the-fact.
887         * c-common.c (strict_aliasing_warning): Strip pointer
888         conversions for obtaining the original type.
889         * builtins.c (fold_builtin_memset): Handle array types.
890         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
891         and array types
892
893 2009-05-03  Richard Guenther  <rguenther@suse.de>
894
895         PR middle-end/23329
896         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
897         Do not lose casts from array types with unknown extent to array
898         types with known extent.
899         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
900         alias set compatibility.
901
902 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
903
904         * flags.h (extra_warnings): Delete.
905         * toplev.c (process_options): Handle Wuninitialized here.
906         * opts.c (extra_warnings): Delete.
907         (set_Wextra): Delete.
908         (common_handle_option): -Wextra can be handled automatically.
909         * c-opts.c (c_common_handle_option): Delete obsolete code.
910         (c_common_post_options): Simplify comment.
911         * common.opt (W): Add Var.
912         (Wextra): Add Var.
913         (Wuninitialized): Initialize to -1.
914
915 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
916             Richard Guenther  <rguenther@suse.de>
917
918         * expr.c (get_def_for_expr): New function.
919         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
920         SSA rather than trees.
921         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
922         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
923         
924 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
925
926         * c-common.c (reswords): Add _Imaginary.
927         * c-common.c (enum rid): Add RID_IMAGINARY.
928
929 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
930
931         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
932         Patch by Richard Guenther.
933
934 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
935
936         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
937         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
938         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
939         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
940         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
941         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
942         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
943         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
944         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
945         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
946         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
947         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
948         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
949         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
950         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
951         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
952         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
953         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
954
955 2009-05-02  Richard Guenther  <rguenther@suse.de>
956
957         PR tree-optimization/39940
958         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
959         doing so.
960
961 2009-05-02  Richard Guenther  <rguenther@suse.de>
962
963         PR middle-end/40001
964         * tree-ssa.c (execute_update_addresses_taken): Properly check
965         if we can mark a variable DECL_GIMPLE_REG_P.
966         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
967         back to the end of the function.
968         (is_gimple_reg_type): Remove complex type special casing.
969         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
970         if not optimizing.
971
972 2009-05-02  Ben Elliston  <bje@au.ibm.com>
973
974         * doc/collect2.texi (Collect2): Document search path behaviour
975         when configured with --with-ld.
976
977 2009-05-02  Jan Hubicka  <jh@suse.cz>
978
979         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
980         parameter; update callers.
981         (coalesce_cost_edge): EH edges are costier because they needs
982         splitting even if not critical and even more costier when there are
983         multiple EH predecestors.
984
985 2009-05-02  Jan Hubicka  <jh@suse.cz>
986
987         * except.c (remove_eh_handler_and_replace): Handle updating after
988         removing TRY blocks.
989
990 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
991
992         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
993
994 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
995
996         * varasm.c: Do not include c-pragma.h.
997         * attribs.c: Do not incude c-common.h.
998
999 2009-05-01  Michael Matz  <matz@suse.de>
1000
1001         * calls.c (initialize_argument_information): Handle SSA names like
1002         decls with a non MEM_P DECL_RTL.
1003
1004 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
1005
1006         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
1007         * ipa-utils.c: Likewise.
1008         * ipa-type-escape.c: Likewise.
1009         * cgraphunit.c Do not include c-common.h.
1010         * ipa-pure-const.c: Likewise.
1011         * tree-if-conv.c: Likewise.
1012         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
1013         * ipa-struct-reorg.c: Likewise.
1014         * tree-nomudflap.c: Likewise.
1015         * tree-ssa-structalias.c: Likewise.
1016
1017 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
1018
1019         * store-motion.c: Many cleanups to make this pass a first-class
1020         citizen instead of an appendix to gcse load motion.  Add TODO list
1021         to make this pass faster/cleaner/better.
1022
1023         (struct ls_expr): Post gcse.c-split cleanups.
1024         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
1025         "stores" field to "avail_stores".
1026         (pre_ldst_mems): Rename to store_motion_mems.
1027         (pre_ldst_table): Rename to store_motion_mems_table.
1028         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
1029         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
1030         (ldst_entry): Rename to st_expr_entry, update users.
1031         (free_ldst_entry): Rename to free_st_expr_entry, update users.
1032         (free_ldst_mems): Rename to free_store_motion_mems, update users.
1033         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
1034         update caller.
1035         (first_ls_expr): Rename to first_st_expr, update users.
1036         (next_ls_expr): Rename to next_st_expr, update users.
1037         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
1038         fields properly for store motion instead of names inherited from load
1039         motion in gcse.c.
1040         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
1041         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
1042         are done with it.
1043
1044         (ae_kill): Rename to st_kill, update users.
1045         (ae_gen): Rename to st_avloc, update users.
1046         (transp): Rename to st_transp, update users.
1047         (pre_insert_map): Rename to st_insert_map, update users.
1048         (pre_delete_map): Rename to st_delete_map, update users.
1049         (insert_store, build_store_vectors, free_store_memory,
1050         one_store_motion_pass): Update for abovementioned changes.
1051
1052         (gcse_subst_count, gcse_create_count): Remove.
1053         (one_store_motion_pass): New statistics counters "n_stores_deleted"
1054         and "n_stores_created", local variables.
1055
1056         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
1057         use for_each_rtx.
1058
1059         (regvec, compute_store_table_current_insn): Remove.
1060         (reg_set_info, reg_clear_last_set): Remove.
1061         (compute_store_table): Use DF caches instead of local dataflow
1062         solvers.
1063
1064 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
1065
1066         * c-objc-common.c (c_tree_printer): Print identifiers with
1067         pp_identifier, not pp_string.  Mark "({anonymous})" for
1068         translation.
1069         * c-pretty-print.c (pp_c_ws_string): New.
1070         (pp_c_cv_qualifier, pp_c_type_specifier,
1071         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
1072         pp_c_storage_class_specifier, pp_c_function_specifier,
1073         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
1074         pp_c_primary_expression, pp_c_postfix_expression,
1075         pp_c_unary_expression, pp_c_shift_expression,
1076         pp_c_relational_expression, pp_c_equality_expression,
1077         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
1078         use pp_string and pp_c_ws_string in place of pp_identifier and
1079         pp_c_identifier for non-identifiers.  Mark English strings for
1080         translation.
1081         * c-pretty-print.h (pp_c_ws_string): Declare.
1082
1083 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
1084             Roland McGrath <roland@redhat.com>
1085
1086         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
1087         (ENABLE_LD_BUILDID): New configuration option.
1088         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
1089         (LINK_BUILDID_SPEC): New macro.
1090         (init_spec): If defined, prepend it between LINK_EH_SPEC and
1091         link_spec.
1092         * doc/install.texi: Document --enable-linker-build-id option.
1093         * configure: Rebuild.
1094         * config.in: Rebuild.
1095
1096 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
1097
1098         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
1099         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
1100         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
1101         MIPS_GP_SAVE_AREA_SIZE.
1102         * config/mips/mips.c (struct mips_frame_info): Update comment
1103         before arg_pointer_offset and hard_frame_pointer_offset.
1104         (mips_compute_frame_info): Update diagram before function: to
1105         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
1106         indicate the position of frame_pointer_rtx with -fstack-protector and
1107         to show args_size.  Don't allocate cprestore area for leaf functions
1108         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
1109         cprestore_size.
1110         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
1111
1112 2009-04-30  Michael Matz  <matz@suse.de>
1113
1114         PR tree-optimization/39955
1115         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
1116
1117 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
1118
1119         * ira.c (setup_cover_and_important_classes):  Use safe macro
1120         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
1121         directly.
1122         * genpreds.c (write_tm_preds_h):  Output suitable definition of
1123         REG_CLASS_FOR_CONSTRAINT.
1124
1125 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
1126
1127         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
1128         instead of an int.
1129         * bitmap.c (bitmap_descriptor): Likewise.
1130         * ggc-common.c (loc_descriptor): Likewise.
1131         * varray.c (varray_descriptor): Likewise.
1132         * vec.c (vec_descriptor): Likewise.
1133
1134 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1135
1136         * Makefile.in (dce.o): Add $(EXCEPT_H).
1137         * dce.c: Include except.h and delete redundant vector definitions.
1138         (deletable_insn_p): Return false for non-call insns that can throw
1139         if DF is running.
1140
1141 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1142
1143         * gcse.c (ae_gen): Remove.
1144         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
1145         and make non-static function to make it available in store-motion.c.
1146         Update call sites with search-and-replace.
1147         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
1148         extract_mentioned_regs, extract_mentioned_regs_helper,
1149         find_moveable_store, compute_store_table, load_kills_store, find_loads,
1150         store_killed_in_insn, store_killed_after, store_killed_before,
1151         build_store_vectors, insert_insn_start_basic_block, insert-store,
1152         remove_reachable_equiv_notes, replace_store_insn, delete_store,
1153         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
1154         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
1155         * store-motion.c: ...new file.  Also copy data structures from gcse.c
1156         and clean up to remove parts not used by store motion.
1157         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
1158         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
1159
1160 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1161
1162         PR target/38571
1163         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
1164         when optimizing for size.
1165
1166 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
1167
1168         * gcse.c (gcse_constant_p): Fix typo in last change.
1169
1170 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
1171
1172         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
1173
1174 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
1175
1176         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
1177
1178 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
1179
1180         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
1181         CONST_HIGH_PART result.
1182
1183 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
1184
1185         * config/avr/avr.c (initial_elimination_offset): Rename to
1186         avr_initial_elimination_offset.
1187         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
1188         change return type to bool.
1189         (avr_can_eliminate): New function.
1190         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
1191         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
1192         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
1193         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
1194         avr_initial_elimination_offset.
1195         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
1196         (avr_initial_elimination_offset): Define.
1197
1198 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
1199             Steven Bosscher  <steven@gcc.gnu.org>
1200
1201         PR rtl-optimization/39938
1202         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
1203         * cfgrtl.c: Include insn-attr.h.
1204         (rest_of_pass_free_cfg): New function.
1205         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
1206         * resource.c (init_resource_info): Remove call to df_analyze.
1207
1208 2009-04-29  Richard Guenther  <rguenther@suse.de>
1209
1210         PR target/39943
1211         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
1212         allow conversion to signed integers.
1213
1214 2009-04-29  Richard Guenther  <rguenther@suse.de>
1215
1216         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
1217         shifts of floating point vectors if the shift amount is
1218         a constant multiple of the element size.
1219
1220 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1221             Michael Matz  <matz@suse.de>
1222
1223         PR middle-end/39927
1224         PR bootstrap/39929
1225         * tree-outof-ssa.c (emit_partition_copy): New function.
1226         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
1227         insert_part_to_rtx_on_edge): Perform the partition base var
1228         copy using emit_partition_copy.
1229         (insert_value_copy_on_edge): Convert constants to the right mode.
1230         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
1231         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
1232
1233 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1234
1235         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
1236         scan backwards to try to find a constant to initialize it.
1237
1238         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
1239         insn before the loop_end instruction, don't look past labels.
1240
1241 2009-04-29  Richard Guenther  <rguenther@suse.de>
1242
1243         PR middle-end/39937
1244         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
1245         loose type conversions.
1246         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
1247         stmts only if there are no uses of its definition.
1248
1249 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1250
1251         * config/bfin/bfin.h (splitting_loops): Declare.
1252         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
1253         Reorder bit definitions to be ascending.
1254         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
1255         * config/bfin/bfin.c (splitting_loops): New variable.
1256         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
1257         (struct loop_info): Remove members INIT and LOOP_INIT.
1258         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
1259         the LSETUP sequence.  Allow LC to be loaded from any register, but
1260         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
1261         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
1262         set to 1.
1263         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
1264         of reload_completed.
1265
1266         From Jie Zhang:
1267         * config/bfin/bfin.md (movsi_insn): Refine constraints.
1268
1269 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
1270
1271         * Makefile.in (PLUGIN_VERSION_H): New.
1272         (OBJS-common): Remove plugin-version.o.
1273         (plugin.o): Depend on (PLUGIN_VERSION_H).
1274         (plugin-version.o): Remove.
1275         * configure: Regenerate
1276         * configure.ac: Create plugin-version.h.
1277         * gcc-plugin.h (plugin_gcc_version): Remove.
1278         (plugin_default_version_check): Change signature.
1279         * plugin-version.c: Remove.
1280         * plugin.c: Include plugin-version.h.
1281         (str_plugin_gcc_version_name): Remove.
1282         (try_init_one_plugin): Pass gcc version to plugin_init.
1283         (plugin_default_version_check): Both gcc and plugin versions are now
1284         arguments.
1285
1286 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1287         
1288         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
1289         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
1290         Remove special case testing for last insn of inner loops. Don't fail
1291         if the loop ends with a jump, emit an extra nop instead.
1292
1293         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
1294         DREGS rather than comparing directly.  Remove code that tries to
1295         account for latencies.
1296
1297 2009-04-29  Richard Guenther  <rguenther@suse.de>
1298
1299         PR tree-optimization/39941
1300         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
1301         eliminating an indirect call.
1302
1303 2009-04-29  Richard Guenther  <rguenther@suse.de>
1304
1305         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
1306         parameter.  Allow invariants as base if !require_lvalue.
1307         (verify_gimple_assign_single): Adjust.
1308
1309 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1310
1311         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
1312         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
1313         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
1314         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
1315         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
1316         a VEC_SELECT.
1317         * config/bfin/bfin.c (bfin_expand_builtin,
1318         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
1319
1320 2009-04-28  Richard Guenther  <rguenther@suse.de>
1321
1322         * tree-vect-loop.c (get_initial_def_for_induction): Use
1323         correct types for pointer increment.
1324
1325 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1326
1327         * toplev.c (print_version): Update GMP version string calculation.
1328
1329 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1330
1331         PR rtl-optimization/39938
1332         * resource.c (init_resource_info): Add call to df_analyze.
1333
1334 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
1335
1336         * config/alpha/alpha.md (usegp): Cast the result of
1337         alpha_find_lo_sum_using_gp to enum attr_usegp.
1338         * config/alpha/alpha.c (override_options): Remove end-of-structure
1339         marker element from cpu_table.  Use array size of cpu_table to handle
1340         -mcpu and -mtune options.
1341         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
1342
1343 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
1344
1345         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
1346         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
1347         tune_32 and tune_64.
1348         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
1349         support on PowerPC.
1350         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
1351         * config/rs6000/option-defaults.h: ... here.  New file.
1352         (OPT_64, OPT_32): Define.
1353         (MASK_64BIT): Define to 0 if not already defined.
1354         (OPT_ARCH64, OPT_ARCH32): Define.
1355         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
1356         and tune_64.
1357
1358 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1359
1360         * config/arm/arm.c (arm_override_options): Emit error on using
1361         fpa with AAPCS.
1362
1363 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
1364
1365         PR rtl-optimization/39914
1366         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
1367         registers for allocnos created from user-defined variables only
1368         when not optimizing.
1369
1370 2009-04-28  Richard Guenther  <rguenther@suse.de>
1371
1372         PR middle-end/39937
1373         * fold-const.c (fold_binary): Use distribute_real_division only
1374         on float types.
1375
1376 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
1377
1378         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
1379         add hpux-stdint.h to tm_file.
1380         (hppa[12]*-*-hpux11*): Ditto.
1381         (ia64*-*-hpux*): Ditto.
1382         * config/hpux-stdint.h: New.
1383         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
1384         __STDC_EXT__ for all compiles.
1385         * config/pa/pa-hpux.h: Ditto.
1386         * config/pa/pa-hpux10.h: Ditto.
1387         * config/pa/pa-hpux11.h: Ditto.
1388
1389 2009-04-28  Catherine Moore  <clm@codesourcery.com>
1390
1391         * debug.h (set_name): Add comment.
1392
1393 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
1394
1395         PR target/39929
1396         * config/darwin.c (machopic_gen_offset): Check
1397         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
1398         * config/arm/arm.c (require_pic_register): Likewise.
1399
1400 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
1401
1402         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
1403         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
1404         m32c_promote_prototypes): Delete.
1405
1406 2009-04-28  Michael Matz  <matz@suse.de>
1407
1408         PR middle-end/39922
1409         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
1410         constants.
1411
1412 2009-04-28  Richard Guenther  <rguenther@suse.de>
1413
1414         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
1415
1416 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1417
1418         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
1419         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
1420         * config/arm/arm-tune.md: Regenerate.
1421
1422 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
1423
1424         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
1425         block if there are complex incoming edges.
1426         (sel_merge_blocks): Remove useless assert.
1427         (sel_redirect_edge_and_branch): Check that edge was redirected.
1428         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
1429         (sel_find_rgns): Delete declaration.
1430         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
1431         the region when it is not a preheader.
1432
1433 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
1434
1435         PR c/39323
1436         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
1437
1438 2009-04-28  Richard Guenther  <rguenther@suse.de>
1439
1440         * tree.h (SSA_NAME_VALUE): Remove.
1441         (struct tree_ssa_name): Remove value_handle member.
1442         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
1443         array for jump threading.
1444         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
1445         SSA_NAME_VALUEs.
1446         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
1447         * tree-flow.h (threadedge_initialize_values): Declare.
1448         (threadedge_finalize_values): Likewise.
1449         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
1450         (SSA_NAME_VALUE): Define.
1451         (threadedge_initialize_values): New function.
1452         (threadedge_finalize_values): Likewise.
1453         * tree-ssa-dom.c (ssa_name_values): New global variable.
1454         (SSA_NAME_VALUE): Define.
1455         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
1456
1457 2009-04-28  Ira Rosen  <irar@il.ibm.com>
1458
1459         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
1460         Use REPORT_VECTORIZED_LOCATIONS instead 
1461         REPORT_VECTORIZED_LOOPS.
1462         * tree-vectorizer.c (vect_verbosity_level): Make static.
1463         (vect_loop_location): Rename to vect_location.
1464         (vect_set_verbosity_level): Update comment.
1465         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
1466         and vect_location.
1467         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
1468         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
1469         instead REPORT_UNVECTORIZED_LOOPS.
1470         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def and
1471         vect_loop_def to vect_external_def and vect_internal_def.
1472         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
1473         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
1474         REPORT_UNVECTORIZED_LOCATIONS.
1475         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
1476         and vect_used_in_loop and to vect_unused_in_scope and 
1477         vect_used_in_scope.
1478         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
1479         (vect_verbosity_level): Remove declaration.
1480         (vect_analyze_operations): Likewise.
1481         (vect_analyze_stmt): Declare.
1482         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
1483         REPORT_UNVECTORIZED_LOCATIONS.
1484         (vect_get_loop_niters): Fix indentation.
1485         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
1486         (vect_analyze_loop_operations): New function.
1487         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
1488         vect_analyze_operations.
1489         (vect_is_simple_reduction): Use new names.
1490         (vectorizable_live_operation, vect_transform_loop): Likewise.
1491         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value to
1492         specify whether the data references can be a part of interleaving chain.
1493         (vect_analyze_data_ref_dependence): Use new names.
1494         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
1495         (vect_create_addr_base_for_vector_ref): Remove redundant code.
1496         * tree-vect-patterns.c (widened_name_p): Use new names.
1497         (vect_recog_dot_prod_pattern): Likewise.
1498         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
1499         (process_use, vect_mark_stmts_to_be_vectorized, 
1500         vect_model_simple_cost, vect_model_store_cost,
1501         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
1502         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1503         vectorizable_operation, vectorizable_type_demotion,
1504         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
1505         vectorizable_condition): Likewise.
1506         (vect_analyze_operations): Split into vect_analyze_loop_operations
1507         and ...
1508         (vect_analyze_stmt): ... new function.
1509         (new_stmt_vec_info): Use new names.
1510         (vect_is_simple_use): Use new names and fix comment.
1511         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
1512         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
1513
1514 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
1515
1516         PR target/39911
1517         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
1518         and integer modes for x87 operands.  Do not ICE for unsupported size,
1519         generate error instead.  Generate error for unsupported operand types.
1520         ['z']: Do not handle HImode memory operands specially.  Warning
1521         for floating-point operands.  Fallthru to 'Z' for unsupported operand
1522         types.  Do not ICE for unsupported size, generate error instead.
1523         (output_387_binary_op): Use %Z to output operands.
1524         (output_fp_compare): Ditto.
1525         (output_387_reg_move): Ditto.
1526
1527 2009-04-28  Ben Elliston  <bje@au.ibm.com>
1528
1529         PR c++/35652
1530         Revert:
1531
1532         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1533
1534         * builtins.c (c_strlen): Do not warn here.
1535         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
1536         * c-common.c (pointer_int_sum): Take an explicit location.
1537         Warn about offsets out of bounds.
1538         * c-common.h (pointer_int_sum): Adjust declaration.
1539
1540 2009-04-27  Ian Lance Taylor  <iant@google.com>
1541
1542         * collect2.c (is_ctor_dtor): Change type of ret field in struct
1543         names to symkind.
1544         * dce.c (run_fast_df_dce): Change type of old_flags to int.
1545         * df-core.c (df_set_flags): Change return type to int.  Change
1546         type of old_flags to int.
1547         (df_clear_flags): Likewise.
1548         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
1549         (df_get_conditional_uses): Likewise.
1550         * df.h (df_set_flags, df_clear_flags): Update declarations.
1551         * dwarf2out.c (struct indirect_string_node): Change type of form
1552         field to enum dwarf_form.
1553         (AT_string_form): Change return type to enum dwarf_form.
1554         * fixed-value.c (fixed_compare): Add cast to enum type.
1555         * fwprop.c (update_df): Change 0 to VOIDmode.
1556         * gensupport.c: Change 0 to UNKNOWN.
1557         * gimple.h (gimple_cond_code): Add cast to enum type.
1558         * haifa-sched.c (reemit_notes): Add cast to enum type.
1559         * hooks.c (hook_int_void_no_regs): Remove function.
1560         * hooks.h (hook_int_void_no_regs): Remove declaration.
1561         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
1562         * predict.c (combine_predictions_for_insn): Add casts to enum type.
1563         * real.c (real_arithmetic): Add cast to enum type.
1564         (real_compare): Likewise.
1565         * target.h (struct gcc_target): Change return type of
1566         branch_target_register_class to enum reg_class.
1567         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
1568         default_branch_target_register_class.
1569         * targhooks.c (default_branch_target_register_class): New function.
1570         * targhooks.h (default_branch_target_register_class): Declare.
1571         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
1572         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
1573         cast to int.
1574         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
1575         ERROR_MARK.
1576         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
1577         vect_uninitialized_def.  Change 0 to ERROR_MARK.
1578         * tree-vect-stmts.c (supportable_widening_operation): Don't
1579         initialize icode1 and icode2.
1580         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
1581         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
1582         and to STD_C89.
1583         (cmn_err_flag_specs): Change 0 to STD_C89.
1584         (cmn_err_char_table): Likewise.
1585         * config/arm/arm.c (get_arm_condition_code): Change type of code
1586         to enum arm_cond_code.
1587         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
1588         (IWMMXT_BUILTIN2): Likewise.
1589         (neon_builtin_type_bits): Don't define typedef.
1590         (neon_builtin_datum): Change type of bits field to int.
1591         (arm_expand_neon_args): Add cast to enum type.
1592         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
1593         TLS_MODEL_NONE.
1594         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
1595         casts to enum type.
1596         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
1597         MIPS_FP_COND_f.
1598         * config/mips/mips.md (jal_macro): Return enum constant.
1599         (single_insn): Likewise.
1600         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
1601         CODE_FOR_nothing.
1602         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1603         casts to enum type.
1604         * config/s390/s390.c (s390_tune_flags): Change type to int.
1605         (s390_arch_flags): Likewise.
1606         (s390_handle_arch_option): Change flags field of struct pta to int.
1607         * config/s390/s390.h (s390_tune_flags): Update declaration.
1608         (s390_arch_flags): Likewise.
1609         * config/sh/sh.c (prepare_move_operands): Compare
1610         tls_symbolic_operand result with enum constant.
1611         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
1612         (sh_expand_prologue): Add cast to enum type.
1613         (sh_expand_epilogue): Likewise.
1614         (tls_symbolic_operand): Change return type to enum tls_model.
1615         (fpscr_set_from_mem): Add cast to enum type.
1616         (legitimize_pic_address): Compare tls_symbolic_operand result with
1617         enum constant.
1618         (sh_target_reg_class): Change return type to enum reg_class.
1619         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
1620         PROCESSOR_xxx.
1621         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
1622         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
1623         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
1624         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
1625         (delayed_branch, tls_call_delay): Likewise.
1626         (eligible_for_sibcall_delay): Likewise.
1627         (eligible_for_return_delay): Likewise. 
1628         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
1629         (spu_expand_builtin_1): Likewise.
1630
1631         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
1632         for all types of conversions.
1633         (output_init_element): Issue -Wc++-compat warning if needed when
1634         initializing a bitfield with enum type.
1635         * c-parser.c (c_parser_expression): Set original_type to
1636         original_type of right hand operand of comman operator.
1637
1638 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1639
1640         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
1641         grammar nits.
1642         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
1643         * doc/cpp.texi (Standard Predefined Macros)
1644         (Implementation-defined behavior): Likewise.
1645         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
1646         * doc/gimple.texi (GIMPLE Exception Handling)
1647         (@code{GIMPLE_ASSIGN}): Likewise.
1648         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
1649         * doc/invoke.texi (Warning Options, Optimize Options)
1650         (AVR Options, Darwin Options): Likewise.
1651         (Optimize Options): Reformulate -fwhole-program description.
1652         * doc/loop.texi (Lambda): Likewise.
1653         * doc/md.texi (Output Template, Define Constraints)
1654         (Standard Names, Insn Splitting): Likewise.
1655         * doc/options.texi (Option properties): Likewise.
1656         * doc/passes.texi (Tree-SSA passes): Likewise.
1657         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
1658         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
1659         (File Names and DBX): Likewise.
1660         * doc/trouble.texi (Incompatibilities): Likewise.
1661
1662 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1663
1664         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
1665         instruction is correct.
1666
1667 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1668
1669         Allow non-constant arguments to conversion intrinsics.
1670         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
1671         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
1672         * spu.c (print_operand): Handle 'v' and 'w'.
1673         (exp2_immediate_p, spu_gen_exp2): Define.
1674         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
1675         spu_convtf_1): Update parameter descriptions.
1676         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
1677         * constraints.md ('v', 'w'): New.
1678         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
1679         Remove.
1680         (i2f, I2F): New define_mode_attr.
1681         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
1682         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
1683         fixuns_truncv4sfv4si2):  Update to use mode attribute.
1684         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
1685         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
1686         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
1687         patterns for combine.
1688
1689 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
1690
1691         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
1692         (cprop, hoist, pre, store_motion): New debug counters.
1693         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
1694         is not an RTL pass anymore.
1695         (pass_profiling): Remove extern decl for pass removed in 2005.
1696         (pass_gcse, pass_jump_bypass): Remove.
1697         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
1698         to 0 for clean state.
1699         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
1700         * cse.c (gate_handle_cse_after_global_opts,
1701         rest_of_handle_cse_after_global_opts): New functions.
1702         (pass_cse_after_global_opts): New pass, does local CSE.
1703         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
1704         (TV_CPROP): New timevar.
1705         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
1706         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
1707         (gcse_main, recompute_all_luids): Remove.
1708         (compute_hash_table_work): Call max_reg_num instead of reading
1709         max_gcse_regno.
1710         (cprop_jump): Don't set run_jump_opt_after_gcse.
1711         (constprop_register): Always allow to alter jumps.
1712         (cprop_insn): Likewise.
1713         (do_local_cprop): Likewise.
1714         (local_cprop_pass): Likewise.  Return non-zero if something changed.
1715         (cprop): Remove function, fold interesting bits into one_cprop_pass.
1716         (find_implicit_sets): Add note about missed optimization opportunity.
1717         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
1718         pass_rtl_cprop execute function.
1719         Don't bother tracking the pass number, each pass gets its own dumpfile
1720         now anyway.
1721         Always allow to alter jumpsand bypass jumps.
1722         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
1723         will just find no suitable set.
1724         (pre_edge_insert): Fix dumping, this function is for PRE only.
1725         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
1726         pass_rtl_pre execute function.
1727         (hoist_code): Return non-zero if something changed.  Keep track of
1728         substitutions and insertions for statistics gathering similar to PRE.
1729         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
1730         called from the pass_rtl_hoist execute function.  Show pass statistics.
1731         (compute_store_table): Use max_reg_num directly instead of using the
1732         formerly global max_gcse_regno.
1733         (build_store_vectors): Likewise.
1734         (replace_store_insn): Fix dumping.
1735         (store_motion): Rename to ...
1736         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
1737         pass, called from the pass_rtl_store_motion execute function.  Keep
1738         track of substitutions and insertions for statistics gathering similar
1739         to PRE.
1740         (bypass_jumps): Remove, fold interesting bits into ...
1741         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
1742         from the pass_rtl_cprop execute function.
1743         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
1744         pass_jump_bypass): Remove.
1745         (gate_handle_gcse, rest_of_handle_gcse): Remove.
1746         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
1747         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
1748         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
1749         (gate_rtl_store_motion, execute_rtl_store_motion,
1750         pass_rtl_store_motion): New.
1751         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
1752         make it clear that -fcse-skip-blocks is a no-op for backward compat.
1753         * passes.c (init_optimization_passes): Remove pass_gcse and
1754         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
1755         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
1756         instead of pass_jump_bypass.
1757
1758 2009-04-27  Richard Guenther  <rguenther@suse.de>
1759
1760         PR middle-end/39928
1761         * gimplify.c (gimplify_expr): If we are required to create
1762         a temporary make sure it ends up as register.
1763
1764 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1765
1766         PR target/39903
1767         * config/i386/i386.c (construct_container): Don't call
1768         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
1769         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
1770
1771 2009-04-27  Michael Matz  <matz@suse.de>
1772
1773         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
1774         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
1775         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
1776         (dump_replaceable_exprs): Take a bitmap.
1777         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
1778         array.
1779         (expand_gimple_basic_block): Likewise.
1780         * tree-ssa-ter.c (struct temp_expr_table_d): Make
1781         replaceable_expressions member a bitmap.
1782         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
1783         (mark_replaceable): Likewise.
1784         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
1785         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
1786
1787 2009-04-27  Richard Guenther  <rguenther@suse.de>
1788
1789         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
1790         (verify_stmts): Dispatch to gimple/type verification code.
1791         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
1792         issue with call argument types.
1793
1794 2009-04-27  Michael Matz  <matz@suse.de>
1795
1796         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
1797         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
1798         to above.
1799
1800 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
1801             Eric Botcazou  <ebotcazou@adacore.com>
1802
1803         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
1804         a label's basic block.
1805         (mark_target_live_regs): Tidy and rework obsolete comments.
1806         Change back DF problem to LIVE.  If a label starts a basic block,
1807         assume that all registers that used to be live then still are.
1808         (init_resource_info): If a label starts a basic block, set its
1809         BLOCK_FOR_INSN accordingly.
1810         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
1811
1812 2009-04-27  Richard Guenther  <rguenther@suse.de>
1813
1814         * tree-flow-inline.h (function_ann): Remove.
1815         (get_function_ann): Likewise.
1816         * tree-dfa.c (create_function_ann): Remove.
1817         * tree-flow.h (struct static_var_ann_d): Remove.
1818         (struct function_ann_d): Likewise.
1819         (union tree_ann_d): Remove fdecl member.
1820         (function_ann_t): Remove.
1821         (function_ann, get_function_ann, create_function_ann): Remove
1822         declarations.
1823
1824 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
1825
1826         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
1827
1828 2009-04-27  Jan Hubicka  <jh@suse.cz>
1829
1830         * ipa-pure-const.c (struct funct_state_d): New fields
1831         state_previously_known, looping_previously_known; remove
1832         state_set_in_source.
1833         (analyze_function): Use new fields.
1834         (propagate): Avoid assumption that state_set_in_source imply
1835         nonlooping.
1836
1837         * tree-ssa-loop-niter.c (finite_loop_p): New function.
1838         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
1839         * cfgloop.h (finite_loop_p): Declare.
1840
1841 2009-04-26  Michael Matz  <matz@suse.de>
1842
1843         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
1844
1845 2009-04-26  Michael Matz  <matz@suse.de>
1846
1847         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
1848         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
1849         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
1850         pass_mark_used_blocks): Remove.
1851         * tree-optimize.c (pass_free_datastructures,
1852         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
1853         * passes.c (init_optimization_passes): Don't call
1854         pass_mark_used_blocks, remove dead code.
1855
1856 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
1857
1858         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
1859         * tree-ssa-live.h (register_ssa_partition): Likewise.
1860
1861 2009-04-26  Michael Matz  <matz@suse.de>
1862
1863         Expand from SSA.
1864         * builtins.c (fold_builtin_next_arg): Handle SSA names.
1865         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
1866         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
1867         SSA names. 
1868         (compare_pairs): Swap cost comparison.
1869         (coalesce_ssa_name): Don't use change_partition_var.
1870         * tree-nrv.c (struct nrv_data): Add modified member.
1871         (finalize_nrv_r): Set it.
1872         (tree_nrv): Use it to update statements.
1873         (pass_nrv): Require PROP_ssa.
1874         * tree-mudflap.c (mf_decl_cache_locals,
1875         mf_build_check_statement_for): Use make_rename_temp.
1876         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
1877         * alias.c (find_base_decl): Handle SSA names.
1878         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
1879         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
1880         * rtl.h (set_reg_attrs_for_parm): Declare.
1881         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
1882         to "optimized", remove unused locals at finish.
1883         (execute_free_datastructures): Make global, call
1884         delete_tree_cfg_annotations.
1885         (execute_free_cfg_annotations): Don't call
1886         delete_tree_cfg_annotations.
1887
1888         * ssaexpand.h: New file.
1889         * expr.c (toplevel): Include ssaexpand.h.
1890         (expand_assignment): Handle SSA names the same as register variables.
1891         (expand_expr_real_1): Expand SSA names.
1892         * cfgexpand.c (toplevel): Include ssaexpand.h.
1893         (SA): New global variable.
1894         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
1895         (SSAVAR): New macro.
1896         (set_rtl): New helper function.
1897         (add_stack_var): Deal with SSA names, use set_rtl.
1898         (expand_one_stack_var_at): Likewise.
1899         (expand_one_stack_var): Deal with SSA names.
1900         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
1901         before unique numbers.
1902         (expand_stack_vars): Use set_rtl.
1903         (expand_one_var): Accept SSA names, add asserts for them, feed them
1904         to above subroutines.
1905         (expand_used_vars): Expand all partitions (without default defs),
1906         then only the local decls (ignoring those expanded already).
1907         (expand_gimple_cond): Remove edges when jumpif() expands an
1908         unconditional jump.
1909         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
1910         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
1911         SSA name.
1912         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
1913         members of SA; deal with PARM_DECL partitions here; expand
1914         all PHI nodes, free tree datastructures and SA.  Commit instructions
1915         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
1916         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
1917         info and statements at start, collect garbage at finish.
1918         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
1919         (VAR_ANN_PARTITION) Remove.
1920         (change_partition_var): Don't declare.
1921         (partition_to_var): Always return SSA names.
1922         (var_to_partition): Only accept SSA names.
1923         (register_ssa_partition): Only check argument.
1924         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
1925         member.
1926         (delete_var_map): Don't free it.
1927         (var_union): Only accept SSA names, simplify.
1928         (partition_view_init): Mark only useful SSA names as used.
1929         (partition_view_fini): Only deal with SSA names.
1930         (change_partition_var): Remove.
1931         (dump_var_map): Use ssa_name instead of partition_to_var member.
1932         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
1933         basic blocks.
1934         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
1935         (struct _elim_graph): New member const_dests; nodes member vector of
1936         ints.
1937         (set_location_for_edge): New static helper.
1938         (create_temp): Remove.
1939         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
1940         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
1941         (new_elim_graph): Allocate const_dests member.
1942         (clean_elim_graph): Truncate const_dests member.
1943         (delete_elim_graph): Free const_dests member.
1944         (elim_graph_size): Adapt to new type of nodes member.
1945         (elim_graph_add_node): Likewise.
1946         (eliminate_name): Likewise.
1947         (eliminate_build): Don't take basic block argument, deal only with
1948         partition numbers, not variables.
1949         (get_temp_reg): New static helper.
1950         (elim_create): Use it, deal with RTL temporaries instead of trees.
1951         (eliminate_phi): Adjust all calls to new signature.
1952         (assign_vars, replace_use_variable, replace_def_variable): Remove.
1953         (rewrite_trees): Only do checking.
1954         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
1955         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
1956         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
1957         contains_tree_r, MAX_STMTS_IN_LATCH,
1958         process_single_block_loop_latch, analyze_edges_for_bb,
1959         perform_edge_inserts): Remove.
1960         (expand_phi_nodes): New global function.
1961         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
1962         functions, initialize new parameter, remember partitions having a
1963         default def.
1964         (finish_out_of_ssa): New global function.
1965         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
1966         don't reset in_ssa_p here, don't disable TER when mudflap.
1967         (pass_del_ssa): Remove.
1968         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
1969         partition members.
1970         (execute_free_datastructures): Declare.
1971         * Makefile.in (SSAEXPAND_H): New variable.
1972         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
1973         * basic-block.h (commit_one_edge_insertion): Declare.
1974         * passes.c (init_optimization_passes): Move pass_nrv and
1975         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
1976         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
1977         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
1978         (redirect_branch_edge): Deal with super block when expanding, split
1979         out jump patching itself into ...
1980         (patch_jump_insn): ... here, new static helper.
1981
1982 2009-04-26  Michael Matz  <matz@suse.de>
1983
1984         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
1985         beyond num_ssa_names.
1986         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
1987         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
1988
1989 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
1990
1991         PR inline-asm/39543
1992         * fwprop.c (forward_propagate_asm): New function.
1993         (forward_propagate_and_simplify): Propagate also into __asm, if it
1994         doesn't increase the number of referenced registers.
1995
1996         PR c/39889
1997         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
1998
1999 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
2000
2001         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
2002         note_nonlocal_vla_type for nonlocal VLAs.
2003         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
2004         contains_remapped_vars, remap_vla_decls): New functions.
2005         (convert_nonlocal_reference_stmt): If not optimizing, call
2006         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
2007         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
2008         if it wasn't found in var_map.
2009         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
2010         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
2011         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
2012         declare_vars.
2013         * gimplify.c (nonlocal_vlas): New variable.
2014         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
2015         referenced VLAs.
2016         (gimplify_body): Create and destroy nonlocal_vlas.
2017
2018         * dwarf2out.c (loc_descr_plus_const): New function.
2019         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
2020         mem_loc_descriptor, loc_descriptor_from_tree_1,
2021         descr_info_loc, gen_variable_die): Use it.
2022
2023         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
2024         !TREE_STATIC VAR_DECLs.
2025         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
2026         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
2027         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
2028         DECL_BY_REFERENCE is valid.
2029         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
2030         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
2031         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
2032         Copy DECL_BY_REFERENCE.
2033         (struct nesting_copy_body_data): New type.
2034         (nesting_copy_decl): New function.
2035         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
2036         if they have variable length.
2037
2038 2009-04-26  Michael Matz  <matz@suse.de>
2039
2040         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
2041         mark new temporaries for renaming.
2042
2043 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
2044
2045         PR c/39581
2046         * c-decl.c (global_bindings_p): Return negative value.
2047         (c_variable_size): New.  Based on variable_size from
2048         stor-layout.c.
2049         (grokdeclarator): Call c_variable_size not variable_size.
2050
2051 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
2052
2053         * config/i386/i386.c (print_operand) ['z']: Fix typo.
2054
2055 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
2056
2057         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
2058         Redefine it to just use mingw/include.
2059         (ASM_SPEC): Rules for -m32 and -m64.
2060         (LINK_SPEC): Use Likewise.
2061         (SPEC_32): New define.
2062         (SPEC_64): Likewise.
2063         (SUB_LINK_SPEC): Likewise.
2064         (MULTILIB_DEFAULTS): New define.
2065         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
2066         Add multilib options.
2067         (MULTILIB_DIRNAMES): Likewise.
2068         (MULTILIB_OSDIRNAMES): Likewise.
2069         (LIBGCC): Likewise.
2070         (INSTALL_LIBGCC): Likewise.
2071
2072 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
2073
2074         PR c/39556
2075         * c-tree.h (enum c_inline_static_type): New.
2076         (record_inline_static): Declare.
2077         * c-decl.c (struct c_inline_static, c_inline_statics,
2078         record_inline_static, check_inline_statics): New.
2079         (pop_file_scope): Call check_inline_statics.
2080         (start_decl): Call record_inline_static instead of pedwarning
2081         directly for static in inline function.
2082         * c-typeck.c (build_external_ref): Call record_inline_static
2083         instead of pedwarning directly for static referenced in inline
2084         function.
2085
2086 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
2087
2088         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
2089         not new but only being rescanned.
2090         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
2091         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
2092         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
2093         record_set_info, compute_set, grealloc): Remove.
2094         (recompute_all_luids): New function.
2095         (gcse_main): Don't compute sets, and don't do related memory
2096         allocations/free-ing.  If something changed before the end of the
2097         pass, update LUIDs using recompute_all_luids.
2098         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
2099         (free_gcse_mem): Don't free it either.
2100         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
2101         Use the df insn LUIDs.
2102         (load_killed_in_block): Likewise.
2103         (compute_hash_table_work): Don't compute reg_set_in_block.
2104         (compute_transp): Use DF_REG_DEF_CHAINs.
2105         (local_cprop_pass): Don't use compute_sets and related functions.
2106         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
2107         Use get_max_uid() instead of max_cuid.
2108         (insert_insn_end_basic_block, pre_insert_copy_insn,
2109         update_ld_motion_stores): Don't try to
2110         keep reg_set tables up to date.
2111         (pre_insert_copies): Use df insn LUIDs.
2112         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
2113         (reg_set_info): Don't use extra bitmap argument.
2114         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
2115         information to compute regs_set_in_block.
2116         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
2117         (bypass_jumps): Don't use compute_sets and friends.
2118
2119 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2120
2121         PR testsuite/39710
2122         * opts.c (undocumented_msg): Do not leave blank even with
2123         ENABLE_CHECKING.
2124
2125 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
2126
2127         * c-decl.c (build_enumerator): Allow values folding to integer
2128         constants but not integer constant expressions with a pedwarn if
2129         pedantic.
2130
2131 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
2132
2133         PR c/39582
2134         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
2135         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
2136         type is an integer constant.
2137
2138 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
2139
2140         PR target/39897
2141         * config/i386/i386.c (print_operand) ['z']: Revert handling of
2142         HImode operands.
2143
2144 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
2145
2146         PR c/39564
2147         * c-decl.c (grokdeclarator): Diagnose declarations of functions
2148         with variably modified return type and no storage class
2149         specifiers, except for the case of nested functions.  Distinguish
2150         extern declarations of functions with variably modified return
2151         types from those of objects with variably modified types.
2152
2153 2009-04-25  Jan Hubicka  <jh@suse.cz>
2154
2155         * tree.c (list_equal_p): New function.
2156         * tree.h (list_equal_p): Declare.
2157         * coretypes.h (edge_def, edge, const_edge, basic_block_def
2158         basic_block_def, basic_block, const_basic_block): New.
2159         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
2160         (redirect_eh_edge): New function.
2161         (make_eh_edge_update_phi): EH edges are not abnormal.
2162         * except.c: Include tree-flow.h.
2163         (list_match): New function.
2164         (eh_region_replaceable_by_p): New function.
2165         (replace_region): New function.
2166         (hash_type_list): New function.
2167         (hash_eh_region): New function.
2168         (eh_regions_equal_p): New function.
2169         (merge_peers): New function.
2170         (remove_unreachable_regions): Verify EH tree when checking;
2171         merge peers.
2172         (copy_eh_region_1): New function.
2173         (copy_eh_region): New function.
2174         (push_reachable_handler): New function.
2175         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
2176         regions without label but with live RESX.
2177         * except.h (redirect_eh_edge_to_label): New.
2178         * tree-flow.h (redirect_eh_edge): New.
2179         * coretypes.h (edge_def, edge, const_edge, basic_block_def
2180         basic_block_def, basic_block, const_basic_block): Remove.
2181         * Makefile.in (except.o): Add dependency on tree-flow.h
2182         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
2183         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
2184         Remove.
2185
2186 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
2187
2188         PR bootstrap/39645
2189         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
2190         on the destination of memcpy.
2191
2192 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
2193
2194         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
2195         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
2196         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
2197
2198 2009-04-25  Jan Hubicka  <jh@suse.cz>
2199
2200         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
2201         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
2202         to be reached by different label than left.
2203         (update_eh_edges): Update comment; remove edge_to_remove if possible
2204         and return true if suceeded.
2205         (cleanup_empty_eh): Accept sharing map; handle shared regions.
2206         (cleanup_eh): Compute sharing map.
2207         * except.c (remove_eh_handler_and_replace): Add argument if we should
2208         update regions.
2209         (remove_unreachable_regions): Update for label sharing.
2210         (label_to_region_map): Likewise.
2211         (get_next_region_sharing_label): New function.
2212         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
2213         prev_try pointers.
2214         (remove_eh_handler): Update.
2215         (remove_eh_region_and_replace_by_outer_of): New function.
2216         * except.h (struct eh_region): Add next_region_sharing_label.
2217         (remove_eh_region_and_replace_by_outer_of,
2218         get_next_region_sharing_label): Declare.
2219         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
2220
2221 2009-04-25  Jan Hubicka  <jh@suse.cz>
2222
2223         * tree-cfg.c (split_critical_edges): Split also edges where we can't
2224         insert code even if they are not critical.
2225
2226 2009-04-25  Jan Hubicka  <jh@suse.cz>
2227
2228         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
2229         (gimple_can_remove_branch_p): EH edges won't remove branch by
2230         redirection.
2231         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
2232         updating of non-abnormal EH edges.
2233         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
2234         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
2235         (split_critical_edges): Split also edges where emitting code on them
2236         will lead to splitting later.
2237
2238 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
2239             H.J. Lu  <hongjiu.lu@intel.com>
2240
2241         PR target/39590
2242         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
2243         the configured assembler supports fildq and fistpq mnemonics.
2244         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
2245         * configure: Regenerated.
2246         * config.in: Ditto.
2247
2248         * config/i386/i386.c (print_operand): Handle 'Z'.
2249         ['z']: Remove handling of special fild/fist suffixes.
2250         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
2251         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
2252         suffix of fild insn.
2253         (*floatsi<mode>2_vector_mixed): Ditto.
2254         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
2255         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
2256         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
2257         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
2258         * config/i386/gas.h (GAS_MNEMONICS): Remove.
2259
2260 2009-04-25  Ben Elliston  <bje@au.ibm.com>
2261  
2262         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
2263         the source of a set operation.
2264
2265 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
2266
2267         * target.h (struct gcc_target): Add case_values_threshold field.
2268         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
2269         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
2270         * targhooks.c (default_case_values_threshold): New function.
2271         * targhooks.h (default_case_values_threshold): Declare function.
2272         * stmt.c (expand_case): Use case_values_threshold target hook.
2273         * expr.h (case_values_threshold): Remove declartation.
2274         * expr.c (case_values_threshold): Remove function.
2275         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
2276
2277         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
2278         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
2279         (avr_case_values_threshold): Declare as static.
2280         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
2281
2282         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
2283         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
2284         (mn10300_case_values_threshold): New function.
2285
2286 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
2287
2288         * ira.c (setup_cover_and_important_classes): Add enum cast.
2289
2290 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
2291
2292         * genpreds.c (write_enum_constraint_num): Output definition of
2293         CONSTRAINT_NUM_DEFINED_P macro.
2294         * ira.c (setup_cover_and_important_classes): Use
2295         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
2296         
2297 2009-04-24  DJ Delorie  <dj@redhat.com>
2298
2299         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
2300         __SH2A_SINGLE_ONLY__ also.
2301
2302 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
2303
2304         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
2305         (movdf_internal): Ditto.
2306         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
2307         SFmode and DFmode constants.
2308         (ia64_print_operand): Add 'G' format for printing
2309         floating point constants.
2310
2311 2009-04-24  Richard Guenther  <rguenther@suse.de>
2312
2313         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
2314         from unsigned additions.
2315
2316 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
2317
2318         * c-typeck.c (set_init_index): Allow array designators that are
2319         not integer constant expressions with a pedwarn if pedantic.
2320
2321 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2322
2323         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
2324         zero if no overlap in nonzero bits between the operands.
2325
2326 2009-04-24  Ian Lance Taylor  <iant@google.com>
2327
2328         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
2329         (record_dead_and_set_regs): Likewise.
2330         * df.h (struct df_mw_hardreg): Change flags field to int.
2331         (struct df_base_ref): Likewise.
2332         (struct df): Change changeable_flags field to int.
2333         * df-scan.c (df_defs_record): Change clobber_flags to int.
2334         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
2335         constants rather than #define macros.
2336         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
2337         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
2338         (enum dwarf_calling_convention): Likewise.
2339         (enum dwarf_line_number_x_ops): Likewise.
2340         (enum dwarf_call_frame_info): Likewise.
2341         (enum dwarf_source_language): Likewise.
2342         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
2343         (add_calling_convention_attribute): Likewise.
2344         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
2345         (combine_comparisons): Change compcode to int.  Add cast to enum type.
2346         * genrecog.c (maybe_both_true_2): Change c to int.
2347         (write_switch): Likewise.  Add cast to enum type.
2348         * gimplify.c (gimplify_omp_for): Handle return values from
2349         gimplify_expr using MIN rather than bitwise or.
2350         (gimplify_expr): Add cast to enum type.
2351         * ipa-prop.c (update_jump_functions_after_inlining): Change
2352         IPA_BOTTOM to IPA_JF_UNKNOWN.
2353         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
2354         Add casts to enum type.
2355         (setup_cover_and_important_classes): Change cl to int.  Add casts
2356         to enum type.
2357         (setup_class_translate): Change cl and mode to int.
2358         (ira_init_once): Change mode to int.
2359         (free_register_move_costs): Likewise.
2360         (setup_prohibited_mode_move_regs): Add casts to enum type.
2361         * langhooks.c (add_builtin_function_common): Rework assertion that
2362         value fits bitfield.
2363         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
2364         * omega.c (omega_do_elimination): Avoid math on enum types.
2365         * optabs.c (expand_vec_shift_expr): Remove casts to int.
2366         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
2367         int local to handle integral_argment value.
2368         * regmove.c (try_auto_increment): Change PUT_MODE to
2369         PUT_REG_NOTE_KIND.
2370         * reload.c (push_secondary_reload): Add casts to enum type.
2371         (secondary_reload_class, find_valid_class): Likewise.
2372         * reload1.c (emit_input_reload_insns): Likewise.
2373         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
2374         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
2375         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
2376         constant.
2377         * tree.c (build_common_builtin_nodes): Add casts to enum type.
2378         * tree-complex.c (complex_lattice_t): Typedef to int rather than
2379         enum type.
2380         (expand_complex_libcall): Add casts to enum type.
2381         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
2382         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
2383         with ERROR_MARK, not NUM_TREE_CODES.
2384         (vect_create_epilog_for_reduction): Likewise.
2385         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
2386         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
2387         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
2388         enum machine_mode.
2389         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
2390         vect_unused_in_loop.  Change 0 to loop_vect.
2391         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
2392         * var-tracking.c (get_init_value): Change return type to enum
2393         var_init_status.
2394         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
2395         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
2396         arm_fp_model.
2397         (arm_override_options): Add casts to enum type.
2398         (arm_emit_tls_decoration): Likewise.
2399         * config/i386/i386.c (ix86_function_specific_restore): Add casts
2400         to enum type.
2401         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
2402         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
2403         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
2404         enum type.
2405         * config/s390/s390.c (code_for_builtin_64): Change to array of
2406         enum insn_code.
2407         (code_for_builtin_31): Likewise.
2408         (s390_expand_builtin): Change code_for_builtin to enum insn_code
2409         const *.
2410         * config/sparc/sparc.c (sparc_override_options): Change value
2411         field in struct code_model to enum cmodel.  In initializer change
2412         0 to NULL and add cast to enum type.
2413
2414         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
2415         Change all callers.  Issue a -Wc++-compat warning using
2416         lhs_origtype if necessary.
2417         (convert_for_assignment): Issue -Wc++-compat warnings about
2418         invalid conversions to enum type on assignment.
2419         * c-common.h (build_modify_expr): Update declaration.
2420
2421 2009-04-24  Nick Clifton  <nickc@redhat.com>
2422
2423         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
2424         (function_arg_advance): Likewise.
2425         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
2426         5th alternative.
2427
2428 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2429
2430         * config/s390/constraints.md ('I', 'J'): Fix condition.
2431
2432 2009-04-24  Diego Novillo  <dnovillo@google.com>
2433
2434         * gengtype-parse.c (parse_error): Add newline after message.
2435
2436 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
2437
2438         * config/i386/sse.md (avxmodesuffixs): Removed.
2439         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
2440         (*avx_pinsr<ssevecsize>): This.
2441
2442 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2443
2444         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
2445         follow chains of regs with a single definition, and allow expressions
2446         that are function_invariant_p.
2447         (simple_rhs_p): Allow expressions that are function_invariant_p.
2448
2449 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
2450
2451         PR middle-end/39867
2452         * fold-const.c (fold_cond_expr_with_comparison): When folding
2453         > and >= to MAX, make sure the MAX uses the same type as the
2454         comparison's operands.
2455
2456 2009-04-24  Nick Clifton  <nickc@redhat.com>
2457
2458         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
2459         addressing for DImode accesses.
2460         (frv_print_operand_address): Handle PLUS case.
2461         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
2462
2463 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
2464
2465         PR rtl-optimization/39794
2466         * alias.c (canon_true_dependence): Add x_addr argument.
2467         * rtl.h (canon_true_dependence): Adjust prototype.
2468         * cse.c (check_dependence): Adjust canon_true_dependence callers.
2469         * cselib.c (cselib_invalidate_mem): Likewise.
2470         * gcse.c (compute_transp): Likewise.
2471         * dse.c (scan_reads_nospill): Likewise.
2472         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
2473         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
2474         canon_base_addr of the group, plus optional offset.
2475         (struct group_info): Rename canon_base_mem to
2476         canon_base_addr.
2477         (get_group_info): Set canon_base_addr to canon_rtx of base, not
2478         canon_rtx of base_mem.
2479
2480 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
2481
2482         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
2483         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
2484
2485 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2486
2487         * config/spu/spu-builtins.h: Delete file.
2488
2489         * config/spu/spu.h (enum spu_builtin_type): Move here from
2490         spu-builtins.h.
2491         (struct spu_builtin_description): Likewise.  Add GTY marker.
2492         Do not use enum spu_function_code or enum insn_code.
2493         (spu_builtins): Add extern declaration.
2494
2495         * config/spu/spu.c: Do not include "spu-builtins.h".
2496         (enum spu_function_code, enum spu_builtin_type_index,
2497         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
2498         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
2499         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
2500         unsigned_V2DI_type_node): Move here from spu-builtins.h.
2501         (spu_builtin_types): Make static.  Add GTY marker.
2502         (spu_builtins): Add extern declaration with GTY marker.
2503         Include "gt-spu.h".
2504
2505         * config/spu/spu-c.c: Do not include "spu-builtins.h".
2506         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
2507         Check programmatically whether all parameters are scalar.
2508
2509         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
2510
2511 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2512
2513         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
2514         assignment from the constructor either if the target is volatile.
2515
2516 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
2517
2518         * config/arm/arm.md (insv): Do not share operands[0].
2519
2520 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
2521
2522         * config/vxlib-tls.c (active_tls_threads): Delete.
2523         (delete_hook_installed): New.
2524         (tls_delete_hook): Don't delete the delete hook.
2525         (tls_destructor): Delete it here.
2526         (__gthread_set_specific): Adjust installing the delete hook.
2527         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
2528         __gthread_leave_tsd_dtor_context.
2529
2530 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
2531
2532         * c-format.c (gcc_tdiag_char_table): Add support for %E.
2533
2534 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
2535
2536         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
2537         enum type.
2538         (alpha_rtx_costs): Ditto.
2539         (emit_unlikely_jump): Use add_reg_note.
2540         (emit_frame_store_1): Ditto.
2541         (alpha_expand_prologue): Ditto.
2542         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
2543         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
2544
2545 2009-04-23  Nick Clifton  <nickc@redhat.com>
2546
2547         * config/v850/v850.md (epilogue): Remove suppressed code.
2548         (return): Rename to return_simple and remove test of frame size.
2549         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
2550         to gen_return_simple.
2551
2552 2009-04-22  Jing Yu  <jingyu@google.com>
2553
2554         PR testsuite/39781
2555         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2556
2557 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2558
2559         PR C/31499
2560         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
2561         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
2562         value is a VECTOR_CST, the element type is the element type of the
2563         vector.
2564
2565 2009-04-22  DJ Delorie  <dj@redhat.com>
2566
2567         * config/m32c/m32c.h: Update GTY annotations to new syntax.
2568
2569 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
2570
2571         * alias.c (find_base_term): Move around LO_SUM case, so that
2572         CONST falls through into PLUS/MINUS handling.
2573
2574         PR c/39855
2575         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
2576         into 0, use omit_one_operand.
2577
2578 2009-04-23  Ben Elliston  <bje@au.ibm.com>
2579
2580         * config/rs6000/linux-unwind.h (get_regs): Remove type
2581         puns. Change the type of `pc' to an array of unsigned ints and
2582         update all users.  Constify frame24.
2583
2584 2009-04-22  DJ Delorie  <dj@redhat.com>
2585
2586         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
2587         declarations before code.
2588         (current_function_special_page_vector): Likewise.
2589         (m32c_expand_insv): Silence a warning.
2590
2591 2009-04-21  Taras Glek  <tglek@mozilla.com>
2592
2593         * alias.c: Update GTY annotations to new syntax.
2594         * basic-block.h: Likewise.
2595         * bitmap.h: Likewise.
2596         * c-common.h: Likewise.
2597         * c-decl.c: Likewise.
2598         * c-parser.c: Likewise.
2599         * c-pragma.c: Likewise.
2600         * c-tree.h: Likewise.
2601         * cfgloop.h: Likewise.
2602         * cgraph.h: Likewise.
2603         * config/alpha/alpha.c: Likewise.
2604         * config/arm/arm.h: Likewise.
2605         * config/avr/avr.h: Likewise.
2606         * config/bfin/bfin.c: Likewise.
2607         * config/cris/cris.c: Likewise.
2608         * config/darwin.c: Likewise.
2609         * config/frv/frv.c: Likewise.
2610         * config/i386/i386.c: Likewise.
2611         * config/i386/i386.h: Likewise.
2612         * config/i386/winnt.c: Likewise.
2613         * config/ia64/ia64.h: Likewise.
2614         * config/iq2000/iq2000.c: Likewise.
2615         * config/mips/mips.c: Likewise.
2616         * config/mmix/mmix.h: Likewise.
2617         * config/pa/pa.c: Likewise.
2618         * config/pa/pa.h: Likewise.
2619         * config/rs6000/rs6000.c: Likewise.
2620         * config/s390/s390.c: Likewise.
2621         * config/sparc/sparc.c: Likewise.
2622         * config/xtensa/xtensa.c: Likewise.
2623         * cselib.h: Likewise.
2624         * dbxout.c: Likewise.
2625         * dwarf2out.c: Likewise.
2626         * except.c: Likewise.
2627         * except.h: Likewise.
2628         * fixed-value.h: Likewise.
2629         * function.c: Likewise.
2630         * function.h: Likewise.
2631         * gimple.h: Likewise.
2632         * integrate.c: Likewise.
2633         * optabs.c: Likewise.
2634         * output.h: Likewise.
2635         * real.h: Likewise.
2636         * rtl.h: Likewise.
2637         * stringpool.c: Likewise.
2638         * tree-data-ref.c: Likewise.
2639         * tree-flow.h: Likewise.
2640         * tree-scalar-evolution.c: Likewise.
2641         * tree-ssa-address.c: Likewise.
2642         * tree-ssa-alias.h: Likewise.
2643         * tree-ssa-operands.h: Likewise.
2644         * tree.c: Likewise.
2645         * tree.h: Likewise.
2646         * varasm.c: Likewise.
2647         * varray.h: Likewise.
2648         * vec.h: Likewise.
2649         * coretypes.h: Do not define GTY macro if it is already defined.
2650         * doc/gty.texi: Update GTY documentation to new syntax.
2651         * gengtype-lex.l: Enforce attribute-like syntax for GTY
2652         annotations on structs.
2653         * gengtype-parse.c: Likewise.
2654
2655 2009-04-22  Mark Heffernan  <meheff@google.com>
2656
2657         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
2658
2659 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
2660
2661         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
2662         where appropriate.
2663
2664 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
2665
2666         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
2667         the same as a PLUS without a shift.  Increase the cost of a
2668         CONST_INT in MULT.
2669
2670 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2671
2672         * Makefile.in: Update dependencies.
2673         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
2674         * errors.h: Remove bogus comment about compatibility.
2675         (warning): Update declaration.
2676         * genautomata.c: Update all calls to warning.
2677         * gimple.c: Do not include errors.h. Include toplev.h.
2678         * tree-ssa-structalias.c: Do not include errors.h.
2679         * omega.c: Likewise.
2680         * tree-ssa-reassoc.c: Likewise.
2681         * config/spu/spu-c.c: Likewise.
2682         * config/spu/t-spu-elf: Update dependencies.
2683
2684 2009-04-22  Richard Guenther  <rguenther@suse.de>
2685
2686         PR tree-optimization/39824
2687         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
2688         make sure the types are compatible.
2689
2690 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2691
2692         PR c++/14875
2693         * c-common.c (c_parse_error): Take a token_flags parameter.
2694         Use token_type for the token type instead.
2695         Pass token_flags to cpp_type2name.
2696         * c-common.h (c_parse_error): Update declaration.
2697         * c-parser.c (c_parser_error): Pass 0 as token flags.
2698
2699 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
2700
2701         PR rtl-optimization/39580
2702         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
2703         
2704 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2705
2706         * function.c (expand_function_end): Do not emit a jump to the "naked"
2707         return label for fall-through returns.
2708         * except.c (sjlj_emit_function_exit): Always place the call to the
2709         unregister function at the location installed by expand_function_end.
2710
2711 2009-04-22  Richard Guenther  <rguenther@suse.de>
2712
2713         PR tree-optimization/39845
2714         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
2715         (gen_inbound_check): Likewise.
2716
2717 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2718
2719         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
2720         padding for PPC.
2721         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
2722         * config/vxlib.c (__gthread_once): Add race guard for PPC.
2723
2724 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
2725
2726         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
2727         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
2728         shift counts to avoid out-of-bounds array accesses.
2729
2730 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
2731
2732         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
2733         (Pmode): Move above.
2734
2735 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
2736
2737         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
2738         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
2739         GET_CODE macro.  Use IN_RANGE macro where appropriate.
2740         * config/alpha/alpha.h: Ditto.
2741         * config/alpha/alpha.md: Ditto.
2742         * config/alpha/constraints.md: Ditto.
2743         * config/alpha/predicates.md: Ditto.
2744         
2745 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
2746
2747         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
2748         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2749         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2750         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2751         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2752         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2753         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2754         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2755         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2756         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2757         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2758         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2759         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2760         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2761         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2762         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2763         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2764         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2765         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2766         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2767         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2768         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2769         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2770         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2771         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2772         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2773         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2774
2775 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2776
2777         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
2778         references from comments.
2779         * cfgbuild.c: (count_basic_blocks): Delete.
2780         (find_basic_blocks_1): Delete.
2781         (find_basic_blocks): Delete.
2782         * except.c (finish_eh_generation): Make static.  Move comment from
2783         except.h here.  Remove find_basic_blocks references from comments.
2784         * except.h (finish_eh_generation): Delete.
2785         * basic-block.h (find_basic_blocks): Delete.
2786         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
2787
2788 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
2789
2790         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
2791         (sdbout_parms):  Likewise.
2792
2793 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
2794
2795         * config/sh/sh.c (prepare_cbranch_operands): Use
2796         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
2797         (expand_cbranchdi4): Likewise.
2798         (from_compare): Add cast to enum type.
2799         (expand_cbranchsi4): Use add_reg_note.
2800         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
2801         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
2802         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
2803         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
2804         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
2805         instead of CODE_FOR_nothing.
2806         (cbranchdi4): Likewise.  Fix the order of arguments for
2807         gen_rtx_fmt_ee.
2808         (push_fpscr): Use add_reg_note.
2809         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
2810         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
2811         
2812 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
2813
2814         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
2815         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
2816         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
2817         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
2818         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
2819         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
2820         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
2821         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
2822         config/alpha/x-vms, config/arc/t-arc,
2823         config/arm/README-interworking, config/arm/arm-c.c,
2824         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
2825         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
2826         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
2827         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
2828         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
2829         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
2830         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
2831         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
2832         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
2833         config/cris/t-elfmulti, config/crx/t-crx,
2834         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
2835         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
2836         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
2837         config/h8300/t-h8300, config/i386/athlon.md,
2838         config/i386/darwin-libgcc.10.4.ver,
2839         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
2840         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
2841         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
2842         config/i386/t-linux64, config/i386/t-nwld,
2843         config/i386/t-rtems-i386, config/i386/t-sol2-10,
2844         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
2845         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
2846         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
2847         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
2848         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
2849         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
2850         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
2851         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
2852         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
2853         config/m68k/t-uclinux, config/mcore/t-mcore,
2854         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
2855         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
2856         config/mips/crtn.asm, config/mips/irix-crti.asm,
2857         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
2858         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
2859         config/mips/mips-fixed.md, config/mips/sb1.md,
2860         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
2861         config/mips/t-iris6, config/mips/t-isa3264,
2862         config/mips/t-libgcc-mips16, config/mips/t-linux64,
2863         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
2864         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
2865         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
2866         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
2867         config/mn10300/t-linux, config/mn10300/t-mn10300,
2868         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
2869         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
2870         config/picochip/libgccExtras/clzsi2.asm,
2871         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
2872         config/rs6000/darwin-libgcc.10.4.ver,
2873         config/rs6000/darwin-libgcc.10.5.ver,
2874         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
2875         config/rs6000/t-aix43, config/rs6000/t-aix52,
2876         config/rs6000/t-darwin, config/rs6000/t-fprules,
2877         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
2878         config/rs6000/t-lynx, config/rs6000/t-netbsd,
2879         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
2880         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
2881         config/rs6000/t-rtems, config/rs6000/t-spe,
2882         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
2883         config/score/t-score-elf, config/sh/divcost-analysis,
2884         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
2885         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
2886         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
2887         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
2888         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
2889         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
2890         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
2891         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
2892         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
2893         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
2894         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
2895         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
2896         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
2897         limitx.h, version.c, xcoff.h: Add copyright and license notices.
2898         * config/h8300/genmova.sh: Include copyright and license notices
2899         in generated output.
2900         * config/h8300/mova.md: Regenerate.
2901         * doc/install.texi2html: Include word "Copyright" in copyright
2902         notice and use name "Free Software Foundation, Inc.".
2903         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
2904         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
2905         ChangeLog-2007, ChangeLog-2008: Correct dates.
2906
2907 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
2908
2909         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
2910         NE_EXPR operations as well.
2911         * c-parser.c (c_parser_condition): Do not set location information on
2912         the condition.
2913         (c_parser_conditional_expression): Likewise.
2914         (c_parser_binary_expression): Set location information on operators.
2915         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
2916         TRUTH_NOT_EXPR has been folded.
2917         * fold-const.c (fold_truth_not_expr): Copy location information from
2918         the incoming expression to the outgoing one.
2919         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
2920         recursive calls on the LHS of the operator but pass that of the
2921         operator to recursive calls on the RHS of the operator.  Set it
2922         on the COND_EXPR.
2923         (shortcut_cond_expr): Set the locus of the operator on the second
2924         COND_EXPR and that of the expression on the first in degenerate cases.
2925         Pass the locus of the expression to calls to shortcut_cond_r.
2926         Set the locus of the 'then' block on the associated jump, if any.
2927         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
2928         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
2929         expression to call to gimplify_boolean_expr.
2930
2931 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
2932
2933         * config.gcc: Add additional configuration for
2934         i686-w64-mingw* and x86_64-w64-mingw* triplet.
2935         * config/i386/mingw-w64.h: New mingw-w64 specific header.
2936         (CPP_SPEC): Redefine for allowing -municode option.
2937         (STARTFILE_SPEC): Likewise.
2938         * config/i386/t-mingw-w64: New.
2939         * config/i386/mingw-w64.opt: New.
2940         (municode): Add new target option.
2941         * doc/invoke.texi (municode): Add documentation for new option.
2942
2943 2009-04-21  Ian Lance Taylor  <iant@google.com>
2944
2945         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2946         Correct test for number of arguments.
2947         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
2948
2949 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
2950
2951         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
2952         argument of emit_library_call.
2953
2954 2009-04-21  Richard Guenther  <rguenther@suse.de>
2955
2956         PR middle-end/39829
2957         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
2958         inside VIEW_CONVERT_EXPRs.
2959
2960 2009-04-21  Martin Jambor  <mjambor@suse.cz>
2961
2962         * tree-switch-conversion.c (build_constructors): Split a long line.
2963         (constructor_contains_same_values_p): New function.
2964         (build_one_array): Create assigns of constants if possible, do not
2965         call mark_sym_for_renaming, call update_stmt.
2966         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
2967         make_rename_temp.  Do not call mark_symbols_for_renaming, call
2968         update_stmt.
2969         (gen_def_assigns): Do not call mark_symbols_for_renaming or
2970         find_new_referenced_vars, call update_stmt.
2971         (gen_inbound_check): Use create_tmp_var and create ssa names manually
2972         instead of calling make_rename_temp.  Do not call
2973         find_new_referenced_vars or mark_symbols_for_renaming, call
2974         update_stmt.
2975
2976 2009-04-21  Richard Guenther  <rguenther@suse.de>
2977
2978         PR tree-optimization/39827
2979         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
2980         (tree_ssa_phiprop): Pass the correct array size.
2981
2982 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
2983
2984         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
2985
2986 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2987
2988         PR 16202
2989         * c-typeck.c (lvalue_p): Move declaration ...
2990         * c-common.h (lvalue_p): ... to here.
2991         * c-common.c (candidate_equal_p): New.
2992         (add_tlist): Use it.
2993         (merge_tlist): Use it.
2994         (warn_for_collisions_1): Likewise.
2995         (warning_candidate_p): Accept more candidates.
2996         (verify_tree): A warning candidate can be an expression. Use
2997         candidate_equal_p.
2998
2999 2009-04-21  Ben Elliston  <bje@au.ibm.com>
3000
3001         PR target/5267
3002         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
3003         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
3004         options.  Remove -mcall-solaris documentation.
3005
3006 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3007
3008         PR c++/13358
3009         * doc/invoke.texi (-Wlong-long): Update description.
3010         * c-lex (interpret_integer): Only warn if there was no previous
3011         overflow and -Wlong-long is enabled.
3012         * c-decl.c (declspecs_add_type): Drop redundant flags.
3013         * c.opt (Wlong-long): Init to -1.
3014         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
3015         and front-end warn_long_long. Wlong-long only depends on other
3016         flags if it is uninitialized.
3017         * c-parser.c (disable_extension_diagnostics): warn_long_long is
3018         the same for CPP and FE.
3019         (restore_extension_diagnostics): Likewise.
3020
3021 2009-04-20  Ian Lance Taylor  <iant@google.com>
3022
3023         Fix enum conversions which are invalid in C++:
3024         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
3025         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
3026         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
3027         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
3028         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
3029         (dbxout_parms): Likewise.
3030         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
3031         (df_clear_flags): Likewise.
3032         * df-problems.c (df_rd_bb_local_compute_process_def): Change
3033         top_flag parameter to int.
3034         (df_chain_create_bb_process_use): Likewise.
3035         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
3036         Remove cast.
3037         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
3038         (df_ref_create_structure, df_def_record_1): Likewise.
3039         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
3040         (df_notes_rescan): Change 0 to VOIDmode in function call.
3041         (df_get_call_refs, df_insn_refs_collect): Likewise.
3042         (df_bb_regs_collect): Likewise.
3043         (df_entry_block_defs_collect): Likewise.
3044         (df_exit_block_uses_collect): Likewise.
3045         * df.h: Update declarations.
3046         * double-int.c (double_int_divmod): Add cast to enum type.
3047         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
3048         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
3049         (based_loc_descr): Likewise.
3050         (loc_descriptor_from_tree_1): Change first_op and second_op to
3051         enum dwarf_location_atom.  Add cast to enum type.
3052         * expmed.c (init_expmed): Change 0 to SET in function call.
3053         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
3054         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
3055         (do_store_flag): Likewise.
3056         * fixed-value.h (struct fixed_value): Change mode to enum
3057         machine_mode.
3058         * function.c (assign_parms): Change 0 to VOIDmode in function call.
3059         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
3060         function call.
3061         (insert_insn_decl, insert_decl, insert_state): Likewise.
3062         (automata_list_finish): Likewise.
3063         * genrecog.c (process_define_predicate): Add cast to enum type.
3064         * gensupport.c (init_predicate_table): Add cast to enum type.
3065         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
3066         function call.
3067         (gimple_build_call_1, gimple_build_label): Likewise.
3068         (gimple_build_goto, gimple_build_asm_1): Likewise.
3069         (gimple_build_switch_1, gimple_build_cdt): Likewise.
3070         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
3071         (enum fallback): Rename from enum fallback_t.
3072         (fallback_t): Typedef as int.
3073         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
3074         GSI_SAME_STMT in function call.
3075         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
3076         enum type.
3077         (setup_reg_class_relations): Likewise.
3078         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
3079         (setup_prohibited_class_mode_regs): Add cast to enum type.
3080         (setup_prohibited_mode_move_regs): Likewise.
3081         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
3082         (record_address_regs): Change i to enum reg_class.
3083         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
3084         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
3085         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
3086         (GET_MODE_2XWIDER_MODE): Likewise.
3087         (GET_CLASS_NARROWEST_MODE): Likewise.
3088         * omp-low.c (expand_omp_for): Add cast to enum type.
3089         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
3090         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
3091         * postreload.c (reload_cse_simplify_operands): Change rclass local
3092         to enum reg_class.
3093         * predict.c (combine_predictions_for_insn): Change best_predictor
3094         and predictor to enum br_predictor.
3095         (combine_predictions_for_bb): Likewise.
3096         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
3097         use SET_PREDICT_EXPR_OUTCOME.
3098         * real.c (real_arithmetic): Change icode to code in function call.
3099         * reginfo.c (init_move_cost): Add casts to enum type.
3100         (init_reg_sets_1, init_fake_stack_mems): Likewise.
3101         * regmove.c (regclass_compatible_p): Change class0 and class1 to
3102         enum reg_class.
3103         * reload.c (find_valid_class): Add casts to enum type.
3104         (push_reload): Change 0 to NO_REGS in function call.
3105         (find_reloads): Change this_alternative to array of enum
3106         reg_class.  Remove some now-unnecessary casts.
3107         (make_memloc): Change 0 to VOIDmode in function call.
3108         * reload1.c (reload): Change 0 to VOIDmode in function call.
3109         (eliminate_regs_1, elimination_effects): Likewise.
3110         (eliminate_regs_in_insn): Likewise.
3111         (emit_input_reload_insns): Add cast to enum type.
3112         (delete_output_reload): Change 0 to VOIDmode in function call.
3113         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
3114         to enum type in function call.
3115         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
3116         (SET_PREDICT_EXPR_OUTCOME): Define.
3117         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
3118         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
3119         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
3120         (dump_function): Likewise.
3121         * tree-dump.h: Update declarations.
3122         * tree-pass.h: Update declarations.
3123         * varasm.c (assemble_integer): Change mclass to enum mode_class.
3124         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
3125         enum type.
3126         (arm_rtx_costs_1): Correct parenthesization.
3127         (arm_rtx_costs): Add casts to enum type.
3128         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
3129         (vfp_emit_fstmd): Use add_rg_note.
3130         (emit_multi_reg_push, emit_sfm): Likewise.
3131         (thumb_set_frame_pointer): Likewise.
3132         (arm_expand_prologue): Likewise.
3133         (arm_regno_class): Change return type to enum reg_class.
3134         (thumb1_expand_prologue): Use add_reg_note.
3135         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
3136         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
3137         in function call.
3138         * config/arm/gentune.sh: Add cast to enum type.
3139         * config/arm/arm-tune.md: Rebuild.
3140         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
3141         (ix86_split_fp_branch, predict_jump): Likewise.
3142         (ix86_expand_multi_arg_builtin): Change sub_code from enum
3143         insn_code to enum rtx_code.
3144         (ix86_builtin_vectorized_function): Add cast to enum type.
3145         * config/i386/i386.md (truncdfsf2): Change slot to enum
3146         ix86_stack_slot.
3147         (truncxf<mode>2, isinf<mode>2): Likewise.
3148         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
3149         enum type.
3150         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
3151         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
3152         (insert_bundle_state): Change 1 to INSERT in function call.
3153         (ia64_add_bundle_selector_before): Likewise.
3154         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
3155         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
3156         (restore_stack_nonlocal): Likewise.
3157         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
3158         function call.
3159         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
3160         function call.
3161         (mips_rtx_costs): Likewise.
3162         (mips_override_options): Add casts to enum type.
3163         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
3164         in function call.
3165         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
3166         (store_reg, set_reg_plus_d): Likewise.
3167         (hppa_expand_prologue, hppa_profile_hook): Likewise.
3168         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
3169         cast to enum type.
3170         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
3171         function call.
3172         (emit_unlikely_jump): Use add_reg_note.
3173         (rs6000_emit_allocate_stack): Likewise.
3174         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
3175         (output_toc): Change 1 to INSERT in function call.
3176         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
3177         (rs6000_initialize_trampoline): Likewise.
3178         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
3179         function call.
3180         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
3181         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
3182         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
3183         (save_gprs): Use add_reg_note.
3184         (s390_emit_prologue): Likewise.
3185         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3186         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
3187         (sparc_fold_builtin): Add cast to enum type.
3188         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
3189         enum insn_code.
3190         (spu_expand_prologue): Use add_reg_note.
3191         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
3192
3193 2009-04-20  Ian Lance Taylor  <iant@google.com>
3194
3195         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
3196         (c_parser_postfix_expression_after_primary): Get VEC for list of
3197         arguments.  Get original types of arguments.  Call
3198         build_function_call_vec.
3199         (cached_expr_list_1, cached_expr_list_2): New static variables.
3200         (c_parser_expr_list): Change return type to VEC *.  Add
3201         p_orig_types parameter.  Change all callers.
3202         (c_parser_release_expr): New static function.
3203         (c_parser_vec_to_tree_list): New static function.
3204         * c-typeck.c (build_function_call): Rewrite to build a VEC and
3205         call build_function_call_vec.
3206         (build_function_call_vec): New function, based on old
3207         build_function_call.
3208         (convert_arguments): Remove nargs and argarray parameters.  Change
3209         values to a VEC.  Add origtypes parameter.
3210         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
3211         (convert_for_assignment): Add origtype parameter.  Change all
3212         callers.  If warn_cxx_compat, check for conversion to an enum
3213         type when calling a function.
3214         (store_init_value): Add origtype parameter.  Change all callers.
3215         (digest_init): Likewise.
3216         (struct init_node): Add origtype field.
3217         (add_pending_init): Add origtype parameter.  Change all callers.
3218         (output_init_element): Likewise.
3219         (output_pending_init_elements): Pass origtype from init_node to
3220         output_init_element.
3221         (process_init_element): Pass origtype from c_expr to
3222         output_init_element.
3223         (c_finish_return): Add origtype parameter.  Change all callers.
3224         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
3225         caller.
3226         (sync_resolve_params): Likewise.
3227         (sync_resolve_return): Change params to first_param.  Change caller.
3228         (resolve_overloaded_builtins): Change params to VEC *.  Change
3229         callers.  Save first parameter around call to build_function_call_vec.
3230         * c-decl.c (finish_decl): Add origtype parameter.  Change all
3231         callers.  Call build_function_call_vec rather than
3232         build_function_call for cleanup.
3233         * c-tree.h: Update declarations.
3234         * c-common.h: Update declarations.
3235         * stub-objc.c (objc_rewrite_function_call): Change parameter from
3236         params to first_param.
3237         * target.h (struct gcc_target): Change resolve_overloaded_builtin
3238         params parameter from tree to void *.
3239         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3240         Change arglist parameter to have type void *, and to be a pointer
3241         to a VEC.
3242         * config/rs6000/rs6000-protos.h
3243         (altivec_resolve_overloaded_builtin): Update declaration.
3244         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
3245         fnargs parameter to have type void *, and to be a pointer to a
3246         VEC.  Call build_function_call_vec instead of
3247         build_function_call.
3248         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
3249
3250 2009-04-20  Joey Ye  <joey.ye@intel.com>
3251             Xuepeng Guo  <xuepeng.guo@intel.com>
3252             H.J. Lu  <hongjiu.lu@intel.com>
3253
3254         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
3255
3256         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
3257         (IX86_LEA_PRIORITY): Likewise.
3258         (distance_non_agu_define): New function.
3259         (distance_agu_use): Likewise.
3260         (ix86_lea_for_add_ok): Likewise.
3261         (ix86_dep_by_shift_count): Likewise.
3262
3263         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
3264         should split for LEA.
3265
3266         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
3267         function.
3268         (ix86_dep_by_shift_count): Likewise.
3269
3270 2009-04-20  Richard Guenther  <rguenther@suse.de>
3271
3272         * expr.c (handled_component_p): Move ...
3273         * tree.h (handled_component_p): ... here.
3274         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
3275         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
3276         and REALPART_EXPR to be in one group.
3277
3278 2009-04-20  Richard Guenther  <rguenther@suse.de>
3279
3280         * basic-block.h (get_all_dominated_blocks): Declare.
3281         * dominance.c (get_all_dominated_blocks): New function.
3282         * tree-cfg.c (get_all_dominated_blocks): Remove.
3283         (remove_edge_and_dominated_blocks): Adjust.
3284         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
3285         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
3286         instead of recursing.
3287
3288 2009-04-20  Doug Kwan  <dougkwan@google.com>
3289
3290         * cgraph.h (cgraph_node_ptr): New type for vector functions.
3291         (struct cgraph_node_set_def): New type.
3292         (cgraph_node_set) New type. Also declare vector functions.
3293         (struct cgraph_node_set_element_def): New type.
3294         (cgraph_node_set_element): Ditto.
3295         (cgraph_node_set_iterator): New iterator type.
3296         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
3297         cgraph_node_set_remove, dump_cgraph_node_set,
3298         debug_cgraph_node_set): New prototypes.
3299         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
3300         cgraph_node_set_size): New inlines.
3301         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
3302         including cgraph.h.
3303         (struct ipa_opt_pass): Add struct cgraph_node_set_def
3304         argument to function 'write_summary'.
3305         * ipa.c: Include ggc.h.
3306         (hash_cgraph_node_set_element,
3307         eq_cgraph_node_set_element, cgraph_node_set_new,
3308         cgraph_node_set_add, cgraph_node_set_remove,
3309         cgraph_node_set_find, dump_cgraph_node_set,
3310         debug_cgraph_node_set): New functions.
3311         * Makefile.in (ipa.o): Add dependency on GGC_H.
3312
3313 2009-04-20  Ira Rosen  <irar@il.ibm.com>
3314
3315         PR tree-optimization/39675
3316         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
3317         check of the return code of vect_schedule_slp. Check that
3318         stmt_vec_info still exists for the statement, before checking its
3319         vectorization type.
3320
3321 2009-04-20  Michael Matz  <matz@suse.de>
3322
3323         * Makefile.in (generated_files): Take out $(simple_generated_c).
3324
3325 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
3326
3327         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
3328         (UINTPTR_TYPE):  Likewise.
3329
3330 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
3331
3332         PR c/37481
3333         * c-typeck.c (digest_init): Check for initializing an array with a
3334         string literal.
3335
3336 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
3337
3338         PR c/19771
3339         * c-semantics.c (pop_stmt_list): Propagate
3340         STATEMENT_LIST_HAS_LABEL to parent statement list.
3341
3342 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
3343
3344         * config/mips/mips.h (mips_tune_attr): New macro.
3345         * config/mips/mips.md (cpu): Use it.
3346
3347 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
3348
3349         PR c/38243
3350         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
3351         declaring a tag.
3352
3353 2009-04-19  Diego Novillo  <dnovillo@google.com>
3354
3355         * toplev.c (compile_file): Move call to coverage_finish ...
3356         * cgraphunit.c (ipa_passes): ... here.
3357         Call cgraph_process_new_functions.
3358         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
3359         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
3360
3361 2009-04-19  Jan Hubicka  <jh@suse.cz>
3362
3363         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
3364         cfun.
3365         (dump_cgraph_node): Dump can throw external flag.
3366         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
3367
3368 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3369
3370         PR c/32061
3371         PR c++/36954
3372         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
3373         * common.opt (Wlogical-op): Move from here...
3374         * c.opt (Wlogical-op): ... to here.
3375         * c-typeck.c (parser_build_binary_op): Update call to
3376         warn_logical_operator.
3377         * c-opts.c (c_common_post_options): Enable warn_logical_op with
3378         extra_warnings.
3379         * c-common.c (warn_logical_op): Update.
3380         * c-common.h (warn_logical_op): Update declaration.
3381
3382 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
3383
3384         * tree.c (protected_set_expr_location): Fix formatting.
3385
3386 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
3387
3388         PR c/27676
3389         * c-typeck.c (readonly_warning): new.
3390         (build_unary_op, build_modify_expr): Use readonly_warning for
3391         storing into something readonly but not const-qualified.
3392
3393 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
3394
3395         PR c/22367
3396         * c-typeck.c (build_unary_op): Check for taking address of
3397         expression of type void.
3398
3399 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
3400
3401         PR c/35210
3402         * c-typeck.c (build_function_call): Check for calling a function
3403         with qualified void return types.  Call require_complete_type when
3404         generating a trap.
3405
3406 2009-04-18  Jan Hubicka  <jh@suse.cz>
3407
3408         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
3409         Set nothrow flag.
3410         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
3411         can_throw_external flag.
3412         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
3413         * ipa-pure-const.c (ignore_edge): New function.
3414         (propagate): Compute order for NOTHROW computation; set NOTHROWs
3415         only over can_throw_external edges.
3416         (local_pure_const): Add nothrow flag.
3417         * ipa-utils.c (searchc): Add ignore_edge callback.
3418         (ipa_utils_reduced_inorder): Add ignore_edge callback.
3419         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
3420         (set_nothrow_function_flags): Update cgraph.
3421         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
3422
3423 2009-04-18  Richard Guenther  <rguenther@suse.de>
3424
3425         PR middle-end/39804
3426         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
3427         (fold_stmt): ... this and ...
3428         (fold_stmt_inplace): ... this.
3429         (fold_stmt_1): Fold references in calls and asms.
3430         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
3431
3432 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3433
3434         * tree-vrp.c (ssa_name_nonzero_p): Remove.
3435         * tree.h: Remove the prototype for ssa_name_nonzero_p.
3436
3437 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3438
3439         * tree.c (function_args_count): Remove.
3440         * tree.h: Remove the prototype for function_args_count.
3441
3442 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3443
3444         * tree-iterator.c (expr_only): Remove.
3445         * tree.h: Remove the prototype for expr_only.
3446
3447 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3448
3449         * reginfo.c (cannot_change_mode_set_regs): Remove.
3450         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
3451
3452 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
3453
3454         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
3455         whether operands 0 and 1 overlaps.
3456
3457 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3458
3459         PR middle-end/36902
3460         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
3461         pointer. Use warning_at instead of warning.
3462         (search_for_addr_array): Likewise.
3463         (check_array_bounds): Likewise.
3464         (check_all_array_refs): Check that the incoming edge is not in the
3465         list of edges to be removed.
3466         (check_all_array_refs): Avoid the temporal pointer.
3467         (vrp_visit_cond_stmt): Fix typo.
3468         (simplify_switch_using_ranges): Handle the case where the switch
3469         index is an integer constant.
3470
3471 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
3472
3473         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
3474
3475 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3476
3477         * doc/extend.texi, doc/invoke.texi: Fix typos.
3478
3479 2009-04-17  Cary Coutant  <ccoutant@google.com>
3480
3481         * tree-flow-inline.h (get_lineno): Fix inverted test.
3482
3483 2009-04-17  Diego Novillo  <dnovillo@google.com>
3484
3485         * tree-ssa-pre.c (create_expression_by_pieces): Remove
3486         assertion for AVAIL_OUT.
3487
3488 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
3489
3490         PR target/38627
3491         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
3492         * config/sh/linux-atomic.asm: Likewise.
3493
3494 2009-04-17  Diego Novillo  <dnovillo@google.com>
3495
3496         * except.c (debug_eh_tree): New.
3497         (struct eh_region, struct eh_status): Move ...
3498         * except.h: ... here.
3499         (add_type_for_runtime): Declare extern.
3500         (lookup_type_for_runtime): Likewise.
3501         (debug_eh_tree): Declare.
3502         * Makefile.in (GTFILES): List except.h before except.c
3503
3504 2009-04-17  Diego Novillo  <dnovillo@google.com>
3505
3506         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
3507         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
3508         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
3509         (find_vars_r): ... here.
3510         * tree-flow.h (find_referenced_vars_in): Declare.
3511         * tree-ssa-pre.c (create_expression_by_pieces): Assert
3512         that AVAIL_OUT exists for BLOCK.
3513         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
3514         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
3515         (tree-parloops.o): Likewise.
3516
3517 2009-04-17  Simon Baldwin  <simonb@google.com>
3518
3519         * toplev.c (default_tree_printer): Add handling for %E format.
3520
3521 2009-04-17  Diego Novillo  <dnovillo@google.com>
3522
3523         * tree-pretty-print.c (dump_generic_node): Add break after
3524         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
3525         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
3526         FUNCTION_TYPE together.  Call print_struct_decl when printing
3527         structures and TDF_SLIM is not given.
3528         (print_struct_decl): Fix logic for detecting recursion.
3529
3530 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
3531
3532         PR 31567
3533         * gcc.c (create_at_file): New.
3534         (compile_input_file_p): New.
3535         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
3536         * main.c (main): Update call to toplev_main.
3537         * toplev.c (toplev_main): Change signature. Call expandargv.
3538         * toplev.h (toplev_main): Change signature.
3539
3540 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
3541
3542         * dwarf2out.c (field_byte_offset): Use the type size as the field size
3543         if the latter is not constant.
3544
3545 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
3546
3547         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
3548
3549 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
3550
3551         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
3552         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
3553
3554 2009-04-17  Richard Guenther  <rguenther@suse.de>
3555
3556         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3557         Handle component references view-converting an invariant address.
3558
3559 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
3560
3561         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
3562         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
3563         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
3564         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
3565         Use @deftypevr rather than @deftypevar.
3566
3567 2009-04-17  Richard Guenther  <rguenther@suse.de>
3568
3569         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
3570         (get_prop_source_stmt): Likewise.
3571         (can_propagate_from): Likewise.
3572
3573 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
3574
3575         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
3576         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
3577         (--with-multilib-list): Add default value.
3578         * configure: Regenerate.
3579         * Makefile.in (TM_ENDIAN_CONFIG): Define.
3580         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
3581         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
3582         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
3583         Don't add default cpu to multilib list unnecessarily, but do enable
3584         the relevant compiler option..
3585         Add support for --with-multilib-list=<blank> and
3586         --with-multilib-list=!<somelib> to supress unwanted multilibs.
3587         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
3588         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
3589         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
3590         TM_MULTILIB_CONFIG.
3591         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
3592         (MULTILIB_OSDIRNAMES): New variable.
3593         * config/sh/t-1e: Delete file.
3594         * config/sh/t-mlib-sh1: Delete file.
3595         * config/sh/t-mlib-sh2: Delete file.
3596         * config/sh/t-mlib-sh2a: Delete file.
3597         * config/sh/t-mlib-sh2a-nofpu: Delete file.
3598         * config/sh/t-mlib-sh2a-single: Delete file.
3599         * config/sh/t-mlib-sh2a-single-only: Delete file.
3600         * config/sh/t-mlib-sh2e: Delete file.
3601         * config/sh/t-mlib-sh3e: Delete file.
3602         * config/sh/t-mlib-sh4: Delete file.
3603         * config/sh/t-mlib-sh4-nofpu: Delete file.
3604         * config/sh/t-mlib-sh4-single: Delete file.
3605         * config/sh/t-mlib-sh4-single-only: Delete file.
3606         * config/sh/t-mlib-sh4a: Delete file.
3607         * config/sh/t-mlib-sh4a-nofpu: Delete file.
3608         * config/sh/t-mlib-sh4a-single: Delete file.
3609         * config/sh/t-mlib-sh4a-single-only: Delete file.
3610         * config/sh/t-mlib-sh4al: Delete file.
3611         * config/sh/t-mlib-sh5-32media: Delete file.
3612         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
3613         * config/sh/t-mlib-sh5-64media: Delete file.
3614         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
3615         * config/sh/t-mlib-sh5-compact: Delete file.
3616         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
3617         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
3618         * doc/install.texi (Options specification): Add
3619         --with-multilib-list and --with-endian.
3620
3621 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
3622
3623         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
3624         REVISION_c.
3625         (OBJS-common): Add plugin-version.o.
3626         (plugin-version.o): New.
3627         * gcc-plugin.h (plugin_gcc_version): New.
3628         (plugin_default_version_check): New.
3629         (plugin_init_func, plugin_init): Add version argument.
3630         * plugin-version.c: New.
3631         * plugin.c (str_plugin_gcc_version_name): New.
3632         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
3633         pass it to the init function.
3634         (plugin_default_version_check): New.
3635
3636 2009-04-17  Richard Guenther  <rguenther@suse.de>
3637
3638         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
3639         for decl-vs-decl disambiguation.
3640
3641 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3642
3643         * config/s390/s390.h (s390_tune_attr): New macro definition.
3644         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
3645
3646 2009-04-17  Richard Guenther  <rguenther@suse.de>
3647
3648         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
3649         (fold_stmt_r): Likewise.
3650         (maybe_fold_reference): New function.
3651         (fold_gimple_assign): Handle cases fold_stmt_r did.
3652         (fold_stmt): Do not use fold_stmt_r.
3653         (fold_stmt_inplace): Likewise.
3654
3655 2009-04-17  Richard Guenther  <rguenther@suse.de>
3656
3657         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
3658         (record_equivalences_from_stmt): Remove useless checks and
3659         simplifications.
3660         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
3661         the type is already suitable.
3662
3663 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
3664
3665         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
3666
3667 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
3668
3669         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
3670         (CMPtype): Define as __gcc_CMPtype.
3671
3672 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
3673
3674         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
3675         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
3676
3677 2009-04-17  Richard Guenther  <rguenther@suse.de>
3678
3679         PR tree-optimization/39746
3680         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
3681         special-casing for builtins and static variable use/def.
3682         (call_may_clobber_ref_p_1): Likewise.
3683
3684 2009-04-16  Ian Lance Taylor  <iant@google.com>
3685
3686         * df.h: Include "timevar.h".
3687         (struct df_problem): Change tv_id field to timevar_id_t.
3688         * tree-pass.h: Include "timevar.h".
3689         (struct opt_pass): Change tv_id field to timevar_id_t.
3690         * timevar.h (timevar_id_t): Define TV_NONE.
3691         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
3692         TV_NONE rather than tv_id != 0.
3693         (execute_one_pass): Likewise.
3694         * Makefile.in (DF_H): Add $(TIMEVAR_H).
3695         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
3696         dependencies to $(TREE_PASS_H).
3697         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
3698         to TV_NONE.
3699         (pass_branch_target_load_optimize2): Likewise.
3700         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
3701         (pass_outof_cfg_layout_mode): Likewise.
3702         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
3703         (pass_rebuild_cgraph_edges): Likewise.
3704         (pass_remove_cgraph_callee_edges): Likewise.
3705         * df-core.c (pass_df_initialize_opt): Likewise.
3706         (pass_df_initialize_no_opt): Likewise.
3707         (pass_df_finish): Likewise.
3708         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
3709         * except.c (pass_set_nothrow_function_flags): Likewise.
3710         (pass_convert_to_eh_region_ranges): Likewise.
3711         * final.c (pass_compute_alignments): Likewise.
3712         * function.c (pass_instantiate_virtual_regs): Likewise.
3713         (pass_init_function): Likewise.
3714         (pass_leaf_regs): Likewise.
3715         (pass_match_asm_constraints): Likewise.
3716         * gimple-low.c (pass_lower_cf): Likewise.
3717         (pass_mark_used_blocks): Likewise.
3718         * init-regs.c (pass_initialize_regs): Likewise.
3719         * integrate.c (pass_initial_value_sets): Likewise.
3720         * ira.c (pass_ira): Likewise.
3721         * jump.c (pass_cleanup_barriers): Likewise.
3722         * omp-low.c (pass_expand_omp): Likewise.
3723         (pass_lower_omp): Likewise.
3724         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
3725         * recog.c (pass_split_all_insns): Likewise.
3726         (pass_split_after_reload): Likewise.
3727         (pass_split_before_regstack): Likewise.
3728         (pass_split_before_sched2): Likewise.
3729         (pass_split_for_shorten_branches): Likewise.
3730         * reginfo.c (pass_reginfo_init): Likewise.
3731         (pass_subregs_of_mode_init): Likewise.
3732         (pass_subregs_of_mode_finish): Likewise.
3733         * passes.c (pass_postreload): Likewise.
3734         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
3735         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
3736         (pass_warn_function_return): Likewise.
3737         (pass_warn_function_noreturn): Likewise.
3738         * tree-complex.c (pass_lower_complex): Likewise.
3739         (pass_lower_complex_O0): Likewise.
3740         * tree-if-conv.c (pass_if_conversion): Likewise.
3741         * tree-into-ssa.c (pass_build_ssa): Likewise.
3742         * tree-mudflap.c (pass_mudflap_1): Likewise.
3743         (pass_mudflap_2): Likewise.
3744         * tree-nomudflap.c (pass_mudflap_1): Likewise.
3745         (pass_mudflap_2): Likewise.
3746         * tree-nrv.c (pass_return_slot): Likewise.
3747         * tree-object-size.c (pass_object_sizes): Likewise.
3748         * tree-optimize.c (pass_all_optimizations): Likewise.
3749         (pass_early_local_passes): Likewise.
3750         (pass_all_early_optimizations): Likewise.
3751         (pass_cleanup_cfg): Likewise.
3752         (pass_cleanup_cfg_post_optimizing): Likewise.
3753         (pass_free_datastructures): Likewise.
3754         (pass_free_cfg_annotations): Likewise.
3755         (pass_fixup_cfg): Likewise.
3756         (pass_init_datastructures): Likewise.
3757         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
3758         (pass_late_warn_uninitialized): Likewise.
3759         (pass_update_address_taken): Likewise.
3760         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
3761         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
3762         (pass_cse_sincos): Likewise.
3763         (pass_convert_to_rsqrt): Likewise.
3764         * tree-ssa-structalias.c (pass_build_alias): Likewise.
3765         * tree-stdarg.c (pass_stdarg): Likewise.
3766         * tree-tailcall.c (pass_tail_recursion): Likewise.
3767         (pass_tail_calls): Likewise.
3768         * tree-vect-generic.c (pass_lower_vector): Likewise.
3769         (pass_lower_vector_ssa): Likewise.
3770         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
3771
3772 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
3773
3774         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
3775         XLR entry.
3776         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
3777         Handle -march=xlr.
3778         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
3779         logical and signext.
3780
3781 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
3782
3783         PR target/39767
3784         * config/sh/predicates.md (arith_operand): Check if the operand
3785         of TRUNCATE is a REG.
3786
3787 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3788
3789         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
3790         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
3791
3792 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3793
3794         * tree-iterator.c (tsi_split_statement_list_after,
3795         tsi_split_statement_list_before): Remove.
3796         * tree-iterator.h: Remove the prototypes for
3797         tsi_split_statement_list_after and tsi_split_statement_list_before.
3798
3799 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3800
3801         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
3802         * tree-ssa-propagate.h: Remove the prototype for
3803         stmt_makes_single_load.
3804
3805 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3806
3807         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
3808         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
3809
3810 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3811
3812         * tree-iterator.c (EXPR_LAST_BODY): Remove.
3813
3814 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3815
3816         * except.c (eh_region_outer_p): Remove.
3817         * except.h: Remove the prototype for eh_region_outer_p.
3818
3819 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3820
3821         * function.c (current_function_assembler_name): Remove.
3822         * function.h: Remove the prototype for
3823         current_function_assembler_name.
3824
3825 2009-04-16  Ian Lance Taylor  <iant@google.com>
3826
3827         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
3828         (add_reg_note): Call alloc_reg_note.
3829         * rtl.h (alloc_reg_note): Declare.
3830         * combine.c (try_combine): Use alloc_reg_note.
3831         (recog_for_combine, move_deaths): Likewise.
3832         (distribute_notes): Use alloc_reg_note and add_reg_note.
3833         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
3834         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
3835         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
3836
3837 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
3838
3839         PR rtl-optimization/39762
3840         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
3841         ira_may_move_out_cost): Add comments about way of their usage.
3842         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
3843
3844         * ira-conflicts.c (process_regs_for_copy): Use function
3845         ira_get_register_move_cost instead of global
3846         ira_register_move_cost.
3847
3848         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
3849         color_pass, move_spill_restore, update_curr_costs): Ditto.
3850
3851         * ira-lives.c (process_single_reg_class_operands): Ditto.
3852
3853         * ira-emit.c (emit_move_list): Ditto.
3854
3855         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
3856         (record_reg_classes): Ditto.  Use functions
3857         ira_get_register_move_cost and ira_get_may_move_cost instead of
3858         global vars ira_register_move_cost, ira_may_move_out_cost and
3859         ira_may_move_in_cost.
3860         (record_address_regs): Don't call ira_init_register_move_cost.
3861         Use function ira_get_may_move_cost instead of global
3862         ira_may_move_in_cost.
3863         (process_bb_node_for_hard_reg_moves): Use function
3864         ira_get_register_move_cost instead of global ira_register_move_cost.
3865         (ira_costs): Don't call ira_init_register_move_cost.
3866
3867 2009-04-16  Richard Guenther  <rguenther@suse.de>
3868
3869         * tree-cfg.c (verify_gimple_assign_binary):
3870         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
3871         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
3872         (create_general_new_stmt): Note that this function is broken.
3873
3874 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
3875
3876         * common.opt (fhelp): Add Var(help_flag).
3877         * gcc-plugin.h (plugin_info): Add help.
3878         * plugin.c (plugin_name_args): Add help.
3879         (register_plugin_info): Set plugin->help.
3880         (print_help_one_plugin): New.
3881         (print_plugins_help): New.
3882         * plugin.h (print_plugins_help): New.
3883         * toplev.c (toplev_main): Call print_plugins_help if needed.
3884
3885 2009-04-16  Richard Guenther  <rguenther@suse.de>
3886
3887         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
3888         (gimple_ior_addresses_taken_1): New function.
3889         (gimple_ior_addresses_taken): Likewise.
3890         * gimple.h (struct gimple_statement_with_ops_base): Remove
3891         addresses_taken member.
3892         (gimple_ior_addresses_taken): Declare.
3893         (gimple_addresses_taken, gimple_addresses_taken_ptr,
3894         gimple_set_addresses_taken): Remove.
3895         * ipa-reference.c (mark_address): New function.
3896         (scan_stmt_for_static_refs): Use it for marking addresses taken.
3897         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
3898         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
3899         (gimple_add_to_addresses_taken): Remove.
3900         (get_tmr_operands): Call mark_address_taken.
3901         (get_asm_expr_operands): Likewise.
3902         (get_expr_operands): Likewise.
3903         (build_ssa_operands): Do not clear the addresses_taken bitmap.
3904         (free_stmt_operands): Do not free it.
3905         * tree-ssa.c (delete_tree_ssa): Likewise.
3906         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
3907
3908 2009-04-16  Richard Guenther  <rguenther@suse.de>
3909
3910         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
3911         (walk_stmt_load_store_ops): Likewise.
3912         * gimple.c (get_base_loadstore): New function.
3913         (walk_stmt_load_store_addr_ops): Likewise.
3914         (walk_stmt_load_store_ops): Likewise.
3915         * ipa-pure-const.c (check_op): Simplify.
3916         (check_load, check_store): New functions.
3917         (check_stmt): Use walk_stmt_load_store_ops.
3918         * ipa-reference.c (mark_load): Adjust signature.
3919         (mark_store): Likewise.
3920         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
3921
3922 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
3923
3924         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
3925         (plugin_info): New.
3926         * opts.c (common_handle_option): Don't call print_version.
3927         * plugin.c (plugin_name_args): Add version.
3928         (register_plugin_info): New.
3929         (register_callback): Handle PLUGIN_INFO.
3930         (try_init_one_plugin): New.
3931         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
3932         if failed to init.
3933         (finalize_one_plugin): New.
3934         (finalize_plugins): New.
3935         (print_one_plugin): New.
3936         (print_plugins_versions): New.
3937         * plugin.h (print_plugins_versions): New.
3938         (finalize_plugins): New.
3939         * toplev.c (compile_file): Don't call initialize_plugins.
3940         (print_version): Call print_plugins_versions.
3941         (toplev_main): Call initialize_plugins. Print version if needed.
3942         Call finalize_plugins.
3943
3944 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
3945
3946         * common.opt (fversion): New.
3947         * gcc.c (print_version): New.
3948         (process_command): Don't print the version. Just set print_version.
3949         (main): Print version. Call subprocesses if print_version and
3950         verbose_flag are set.
3951         * opts.c (common_handle_option): Handle OPT_fversion.
3952
3953 2009-04-16  Richard Guenther  <rguenther@suse.de>
3954             Ira Rosen  <irar@il.ibm.com>
3955
3956         PR tree-optimization/39698
3957         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
3958         type of the reduction variable.  Only generate the def if
3959         it is needed.
3960
3961         * omp-low.c (expand_omp_for_generic): When converting to a pointer
3962         make sure to first convert to an integer of the same precision.
3963         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
3964         the type of the evolution correctly in computing the new
3965         induction variable base.
3966
3967 2009-04-16  Richard Guenther  <rguenther@suse.de>
3968
3969         PR middle-end/39625
3970         * tree-cfg.c (make_blocks): Split statements with to-be
3971         abnormal SSA names on the lhs.
3972
3973 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
3974
3975         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
3976         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
3977         * c-typeck.c (really_start_incremental_init): Likewise.
3978         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
3979         (TARGET_INITIALIZER): Remove it.
3980         * target.h (struct target): Remove vector_opaque_p.
3981         * tree.c (build_opaque_vector_type): New.
3982         * tree.h (TYPE_VECTOR_OPAQUE): New.
3983         (build_opaque_vector_type): Declare.
3984         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
3985         * config/rs6000/rs6000.c (build_opaque_vector_type,
3986         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
3987         (rs6000_init_builtins): Use build_opaque_vector_type for
3988         opaque_V4SI_type_node.
3989
3990 2009-04-15  Catherine Moore  <clm@codesourcery.com>
3991
3992         * debug.h (set_name):  Declare.
3993         * dwarf2out.c (dwarf2out_set_name): Declare.
3994         (dwarf2_debug_hooks): Add set_name.
3995         (find_AT_string): New.
3996         (add_AT_string): Call find_AT_string.
3997         (dwarf2out_set_name): New.
3998         * cp/decl.c (grokdeclarator): Call set_name.
3999         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
4000         * debug.c (do_nothing_debug_hooks):  Likewise.
4001         * dbxout.c (dbx_debug_hooks): Likewise.
4002         * sdbout.c (sdb_debug_hooks): Likewise.
4003
4004 2009-04-15  Michael Eager  <eager@eagercon.com>
4005
4006         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
4007         reg for single-precision FPU.
4008         * config/rs6000/rs6000.md (movsi_internal1): Only for
4009         !TARGET_SINGLE_FPU.
4010         (movsi_internal1_single): New. Add pattern to move SI values to/from
4011         single-precision FP regs.
4012
4013 2009-04-15  Richard Guenther  <rguenther@suse.de>
4014
4015         * omp-low.c (lower_rec_input_clauses): Build correct address
4016         expressions.
4017         (expand_omp_for_generic): Fix multiplication type.
4018         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
4019         (generate_memset_zero): Fix types.
4020         * tree-profile.c (prepare_instrumented_value): Correctly
4021         widen a pointer.
4022
4023 2009-04-15  Ian Lance Taylor  <iant@google.com>
4024
4025         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
4026         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
4027         for -Wall and for -Wc++-compat.
4028         (c_common_post_options): For C++, set warn_enum_compare if not
4029         already set.
4030         * c-tree.h (struct c_expr): Add field original_type.
4031         (build_external_ref): Update declaration.
4032         * c-parser.c (c_parser_braced_init): Set original_type.
4033         (c_parser_initelt): Likewise.
4034         (c_parser_expr_no_commas): Likewise.
4035         (c_parser_conditional_expression): Likewise.
4036         (c_parser_cast_expression): Likewise.
4037         (c_parser_unary_expression): Likewise.  Pull setting of
4038         original_code to top of function.
4039         (c_parser_sizeof_expression): Set original_type.
4040         (c_parser_alignof_expression): Likewise.
4041         (c_parser_postfix_expression): Likewise.  Pull setting of
4042         original_code to top of function.
4043         (c_parser_postfix_expression_after_paren_type): Set original_type.
4044         (c_parser_postfix_expression_after_primary): Likewise.
4045         (c_parser_expression): Likewise.
4046         * c-typeck.c (build_external_ref): Add type parameter.  Change all
4047         callers.
4048         (c_expr_sizeof_expr): Set original_type field.
4049         (parser_build_unary_op): Likewise.
4050         (parser_build_binary_op): Likewise.  Optionally warn about
4051         comparisons of enums of different types.
4052         (digest_init): Set original_type field.
4053         (really_start_incremental_init): Likewise.
4054         (push_init_level, pop_init_level): Likewise.
4055         * doc/invoke.texi (Warning Options): -Wenum-compare now
4056         supported in C.
4057
4058 2009-04-15  Richard Guenther  <rguenther@suse.de>
4059
4060         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
4061         out a necessary conversion.
4062         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
4063         names we didn't value number.
4064         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
4065
4066 2009-04-15  Richard Guenther  <rguenther@suse.de>
4067
4068         PR tree-optimization/39764
4069         * tree-ssa-ccp.c (get_value): Canonicalize value with
4070         canonicalize_float_value.
4071
4072 2009-04-15  Jan Hubicka  <jh@suse.cz>
4073
4074         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
4075         Wrong version of patch.
4076
4077 2009-04-15  Jan Hubicka  <jh@suse.cz>
4078
4079         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
4080
4081 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
4082
4083         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
4084         our distinct integral and vector types.
4085
4086 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
4087
4088         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
4089         * init.c (build_vtbl_address): Remove call to assemble_external.
4090
4091 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
4092
4093         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
4094         output for other floating point modes.
4095
4096 2009-04-14  Diego Novillo  <dnovillo@google.com>
4097
4098         * diagnostic.c (diagnostic_report_diagnostic): Do not
4099         warn about loaded plugins for DK_ERROR and DK_WARNING.
4100         * c-decl.c (declspecs_add_type): Move call to
4101         invoke_plugin_callbacks ...
4102         * c-parser.c (c_parser_declspecs): ... here.
4103         * plugin.c (dump_active_plugins): Tidy output.
4104
4105 2009-04-14  Diego Novillo  <dnovillo@google.com>
4106             Le-Chun Wu  <lcwu@google.com>
4107
4108         * configure.ac: Add --enable-plugin support.
4109         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
4110         * Makefile.in (PLUGIN_H): Define.
4111         Export ENABLE_PLUGIN and GMPINC to site.exp.
4112         Add PLUGINLIBS to link command.
4113         Add/modify dependencies for plugin.o and files including plugin.h.
4114         (plugin.o): New.
4115         * config.in: Regenerate.
4116
4117         * opts.c (common_handle_option): Handle OPT_fplugin_ and
4118         OPT_fplugin_arg_.
4119
4120 2009-04-14  Le-Chun Wu  <lcwu@google.com>
4121
4122         * tree-pass.h (register_one_dump_file): Add a prototype for
4123         register_one_dump_file.
4124         * toplev.c (compile_file): Call initialize_plugins.
4125         (do_compile): Call invoke_plugin_callbacks.
4126         (toplev_main): Call invoke_plugin_callbacks.
4127         * common.opt: Add -fplugin= and -fplugin-arg-.
4128         * gcc-plugin.h: New public header file for plugins to include.
4129         * plugin.c: New source file.
4130         * plugin.h: New internal header file.
4131         * passes.c (register_one_dump_file): Make it external.
4132
4133         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
4134
4135 2009-04-14  Diego Novillo  <dnovillo@google.com>
4136
4137         * doc/plugins.texi: New.
4138         * doc/gccint.texi: Add reference to Plugins chapter.
4139         * doc/invoke.texi: Document -fplugin and -fplugin-arg
4140         * diagnostic.c (diagnostic_report_diagnostic): Warn about
4141         loaded plugins, if any.
4142         * timevar.def (TV_PLUGIN_INIT): Define.
4143         (TV_PLUGIN_RUN): Define.
4144         * plugin.c: Include timevar.h
4145         (plugins_active_p): New.
4146         (dump_active_plugins): New.
4147         (debug_active_plugins): New.
4148
4149 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
4150
4151         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
4152         library paths.
4153         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
4154
4155 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
4156
4157         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
4158         the same as a minus without a shift.
4159
4160 2009-04-14  Nick Clifton  <nickc@redhat.com>
4161
4162         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
4163         comparisons with small integers will always produce a short
4164         branch.
4165
4166 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
4167
4168         Merge:
4169         2008-12-19  Diego Novillo  <dnovillo@google.com>
4170
4171         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
4172
4173 2009-04-14  Richard Guenther  <rguenther@suse.de>
4174
4175         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
4176         verification.
4177         (verify_gimple_assign_binary): Likewise.  Handle shifts and
4178         rotates correctly.
4179         (verify_gimple_phi): Print the mismatched argument position.
4180         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
4181         Fix types.
4182         (vect_update_init_of_dr): Likewise.
4183         * matrix-reorg.c (transform_access_sites): Do what the
4184         comment suggests.
4185         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
4186
4187 2009-04-13  Michael Eager  <eager@eagercon.com>
4188
4189         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
4190         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
4191         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
4192         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
4193         remove duplicate config
4194
4195 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4196
4197         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
4198         file_name:line_number type locator of the call site.
4199
4200 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
4201
4202         * genautomata.c: Put blank after comma.
4203         (automaton_decls): New.
4204         (struct unit_usage): Add comments to member next.
4205         (store_alt_unit_usage): Keep the list ordered.
4206         (unit_present_on_list_p, equal_alternatives_p): New.
4207         (check_regexp_units_distribution): Check units distribution
4208         correctness correctly.
4209         (main): Don't write automata if error is found.  Return correct
4210         exit code.
4211
4212         * config/m68k/cf.md (cfv4_ds): Remove.
4213         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
4214         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
4215
4216         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
4217         power4-load-ext, power4-store, power4-store-update,
4218         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
4219         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
4220         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
4221         power4-sqrt, power4-isync): Modify reservation to make correct
4222         unit distribution to automata.
4223
4224         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
4225         power5-store-update, power5-two, power5-three, power5-lmul,
4226         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
4227
4228 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
4229
4230         * except.c (pass_set_nothrow_function_flags): Set name and add
4231         TODO_dump_func.
4232         (set_nothrow_function_flags): Mention in the dump file when
4233         changing a function to nothrow.
4234
4235 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
4236
4237         PR/39066
4238         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
4239         instead of unsigned long.
4240
4241 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4242
4243         * config/arm/arm.c (return_used_this_function): Remove.
4244         (arm_output_function_prologue): Remove use of
4245         return_used_this_function.
4246         (output_return_instruction): Replace use of
4247         return_used_this_function
4248         by cfun->machine->return_used_this_function.
4249         (arm_output_epilogue): Likewise.
4250         (arm_output_function_epilogue): Likewise.
4251         (thumb_unexpanded_epilogue): Likewise.
4252         * config/arm/arm.h (struct machine_function):
4253         New member return_used_this_function.
4254
4255 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
4256
4257         * doc/install.texi: Correct description of default directory for
4258         --with-gxx-include-dir.
4259
4260 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
4261
4262         * fold-const.c (build_range_check): Properly deal with enumeral and
4263         boolean base types.
4264
4265 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
4266
4267         * doc/invoke.texi (max_gcse_passes): Remove documentation.
4268         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
4269         * params.h (MAX_GCSE_PASSES): Remove.
4270         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
4271         in sequence.  Remove ability to run multiple passes.
4272         (bypass_jumps): Report run as third CPROP pass.
4273
4274 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
4275
4276         PR middle-end/39651
4277         * except.c (can_throw_external): Look at each insn in a SEQUENCE
4278         when deciding whether the whole SEQUENCE can throw.
4279
4280 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
4281
4282         PR target/39740
4283         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
4284         offseted label references.
4285
4286 2009-04-11  Jan Hubicka  <jh@suse.cz>
4287
4288         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
4289
4290 2009-04-11  Richard Guenther  <rguenther@suse.de>
4291
4292         PR middle-end/39732
4293         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
4294         return variables as TREE_ADDRESSABLE.
4295
4296 2009-04-11  Richard Guenther  <rguenther@suse.de>
4297
4298         PR tree-optimization/39713
4299         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
4300         reference trees have SSA_NAME operands.
4301
4302 2009-04-11  Richard Guenther  <rguenther@suse.de>
4303
4304         PR c/39712
4305         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
4306         address expressions.
4307
4308 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
4309
4310         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
4311         match changes in Cygwin 1.7
4312         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
4313         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
4314
4315 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
4316
4317         PR tree-optimization/39701
4318         * doc/invoke.texi (Optimization Options): Document change in
4319         meaning and initialization of -fdelete-null-pointer-checks.
4320
4321 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
4322
4323         PR middle-end/39701
4324         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
4325
4326         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
4327         here.
4328
4329         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
4330
4331 2009-04-10  Chao-ying Fu  <fu@mips.com>
4332
4333         * doc/tm.texi (Instruction Output): Document
4334         TARGET_ASM_FINAL_POSTSCAN_INSN.
4335         * target.h (final_postscan_insn): New field in asm_out.
4336         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
4337         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
4338         * final.c (final_scan_insn): Call
4339         targetm.asm_out.final_postscan_insn after outputting
4340         an asm macro and a normal instruction.
4341
4342         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
4343         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
4344         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
4345         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
4346         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
4347
4348 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
4349
4350         PR middle-end/39701
4351         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
4352         variables as non-NULL even with -fdelete-null-pointer-checks.
4353
4354 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
4355
4356         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
4357
4358 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4359
4360         PR target/39678
4361         * config/i386/i386.c (classify_argument): Handle SCmode with
4362         (bit_offset % 64) != 0.
4363
4364 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
4365
4366         * doc/invoke.texi (Optimize Options): Add cross-reference to
4367         -Q --help=optimizers examples.
4368
4369 2009-04-10  Ben Elliston  <bje@au.ibm.com>
4370
4371         PR target/36800
4372         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
4373         regalign for the reg == fpr and TDmode case.
4374
4375 2009-04-09  David Ayers  <ayers@fsfe.org>
4376
4377         PR objc/29200
4378         * objc/objc-act.c (warn_with_method): Remove helper function.
4379         (check_duplicates): Call warning and inform directly.
4380         (really_start_method): Likewise.
4381
4382 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
4383
4384         * expmed.c (expand_divmod): Always use a comparison for a division
4385         by a large unsigned integer.
4386
4387         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
4388         for things others than variables or functions as nonzero.
4389
4390 2009-04-09  Nick Clifton  <nickc@redhat.com>
4391
4392         * unwind-compat.c: Change copyright header to refer to version
4393         3 of the GNU General Public License with version 3.1 of the
4394         GCC Runtime Library Exception and to point readers at the
4395         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
4396         * config/alpha/crtfastmath.c: Likewise.
4397         * config/alpha/linux-unwind.h: Likewise.
4398         * config/alpha/qrnnd.asm: Likewise.
4399         * config/alpha/vms-crt0-64.c: Likewise.
4400         * config/alpha/vms-crt0.c: Likewise.
4401         * config/alpha/vms-dwarf2.asm: Likewise.
4402         * config/alpha/vms-dwarf2eh.asm: Likewise.
4403         * config/alpha/vms-psxcrt0-64.c: Likewise.
4404         * config/alpha/vms-psxcrt0.c: Likewise.
4405         * config/alpha/vms_tramp.asm: Likewise.
4406         * config/arc/initfini.c: Likewise.
4407         * config/arc/lib1funcs.asm: Likewise.
4408         * config/arm/bpabi-v6m.S: Likewise.
4409         * config/arm/bpabi.S: Likewise.
4410         * config/arm/bpabi.c: Likewise.
4411         * config/arm/crti.asm: Likewise.
4412         * config/arm/crtn.asm: Likewise.
4413         * config/arm/ieee754-df.S: Likewise.
4414         * config/arm/ieee754-sf.S: Likewise.
4415         * config/arm/lib1funcs.asm: Likewise.
4416         * config/arm/libunwind.S: Likewise.
4417         * config/arm/linux-atomic.c: Likewise.
4418         * config/arm/mmintrin.h: Likewise.
4419         * config/arm/pr-support.c: Likewise.
4420         * config/arm/unaligned-funcs.c: Likewise.
4421         * config/arm/unwind-arm.c: Likewise.
4422         * config/arm/unwind-arm.h: Likewise.
4423         * config/avr/libgcc.S: Likewise.
4424         * config/bfin/crti.s: Likewise.
4425         * config/bfin/crtlibid.s: Likewise.
4426         * config/bfin/crtn.s: Likewise.
4427         * config/bfin/lib1funcs.asm: Likewise.
4428         * config/bfin/linux-unwind.h: Likewise.
4429         * config/cris/arit.c: Likewise.
4430         * config/cris/cris_abi_symbol.c: Likewise.
4431         * config/darwin-64.c: Likewise.
4432         * config/darwin-crt2.c: Likewise.
4433         * config/darwin-crt3.c: Likewise.
4434         * config/darwin.h: Likewise.
4435         * config/dbxelf.h: Likewise.
4436         * config/dfp-bit.c: Likewise.
4437         * config/dfp-bit.h: Likewise.
4438         * config/elfos.h: Likewise.
4439         * config/fixed-bit.c: Likewise.
4440         * config/fixed-bit.h: Likewise.
4441         * config/fp-bit.c: Likewise.
4442         * config/fp-bit.h: Likewise.
4443         * config/fr30/crti.asm: Likewise.
4444         * config/fr30/crtn.asm: Likewise.
4445         * config/fr30/lib1funcs.asm: Likewise.
4446         * config/freebsd-spec.h: Likewise.
4447         * config/frv/cmovd.c: Likewise.
4448         * config/frv/cmovh.c: Likewise.
4449         * config/frv/cmovw.c: Likewise.
4450         * config/frv/frvbegin.c: Likewise.
4451         * config/frv/frvend.c: Likewise.
4452         * config/frv/lib1funcs.asm: Likewise.
4453         * config/glibc-stdint.h: Likewise.
4454         * config/h8300/clzhi2.c: Likewise.
4455         * config/h8300/crti.asm: Likewise.
4456         * config/h8300/crtn.asm: Likewise.
4457         * config/h8300/ctzhi2.c: Likewise.
4458         * config/h8300/fixunssfsi.c: Likewise.
4459         * config/h8300/lib1funcs.asm: Likewise.
4460         * config/h8300/parityhi2.c: Likewise.
4461         * config/h8300/popcounthi2.c: Likewise.
4462         * config/i386/ammintrin.h: Likewise.
4463         * config/i386/att.h: Likewise.
4464         * config/i386/avxintrin.h: Likewise.
4465         * config/i386/biarch64.h: Likewise.
4466         * config/i386/bmmintrin.h: Likewise.
4467         * config/i386/cpuid.h: Likewise.
4468         * config/i386/cross-stdarg.h: Likewise.
4469         * config/i386/crtfastmath.c: Likewise.
4470         * config/i386/crtprec.c: Likewise.
4471         * config/i386/cygming-crtbegin.c: Likewise.
4472         * config/i386/cygming-crtend.c: Likewise.
4473         * config/i386/cygwin.asm: Likewise.
4474         * config/i386/emmintrin.h: Likewise.
4475         * config/i386/gmm_malloc.h: Likewise.
4476         * config/i386/gthr-win32.c: Likewise.
4477         * config/i386/i386.h: Likewise.
4478         * config/i386/immintrin.h: Likewise.
4479         * config/i386/linux-unwind.h: Likewise.
4480         * config/i386/linux64.h: Likewise.
4481         * config/i386/mm3dnow.h: Likewise.
4482         * config/i386/mmintrin-common.h: Likewise.
4483         * config/i386/mmintrin.h: Likewise.
4484         * config/i386/nmmintrin.h: Likewise.
4485         * config/i386/pmm_malloc.h: Likewise.
4486         * config/i386/pmmintrin.h: Likewise.
4487         * config/i386/smmintrin.h: Likewise.
4488         * config/i386/sol2-c1.asm: Likewise.
4489         * config/i386/sol2-ci.asm: Likewise.
4490         * config/i386/sol2-cn.asm: Likewise.
4491         * config/i386/sol2-gc1.asm: Likewise.
4492         * config/i386/tmmintrin.h: Likewise.
4493         * config/i386/unix.h: Likewise.
4494         * config/i386/w32-unwind.h: Likewise.
4495         * config/i386/wmmintrin.h: Likewise.
4496         * config/i386/x86-64.h: Likewise.
4497         * config/i386/x86intrin.h: Likewise.
4498         * config/i386/xmmintrin.h: Likewise.
4499         * config/ia64/crtbegin.asm: Likewise.
4500         * config/ia64/crtend.asm: Likewise.
4501         * config/ia64/crtfastmath.c: Likewise.
4502         * config/ia64/crti.asm: Likewise.
4503         * config/ia64/crtn.asm: Likewise.
4504         * config/ia64/fde-glibc.c: Likewise.
4505         * config/ia64/lib1funcs.asm: Likewise.
4506         * config/ia64/linux-unwind.h: Likewise.
4507         * config/ia64/quadlib.c: Likewise.
4508         * config/ia64/unwind-ia64.c: Likewise.
4509         * config/linux.h: Likewise.
4510         * config/m32c/m32c-lib1.S: Likewise.
4511         * config/m32c/m32c-lib2-trapv.c: Likewise.
4512         * config/m32c/m32c-lib2.c: Likewise.
4513         * config/m32r/initfini.c: Likewise.
4514         * config/m68hc11/larith.asm: Likewise.
4515         * config/m68hc11/m68hc11-crt0.S: Likewise.
4516         * config/m68k/cf.md: Likewise.
4517         * config/m68k/crti.s: Likewise.
4518         * config/m68k/crtn.s: Likewise.
4519         * config/m68k/lb1sf68.asm: Likewise.
4520         * config/m68k/linux-unwind.h: Likewise.
4521         * config/mcore/crti.asm: Likewise.
4522         * config/mcore/crtn.asm: Likewise.
4523         * config/mcore/lib1.asm: Likewise.
4524         * config/mips/linux-unwind.h: Likewise.
4525         * config/mips/loongson.h: Likewise.
4526         * config/mips/mips16.S: Likewise.
4527         * config/mmix/crti.asm: Likewise.
4528         * config/mmix/crtn.asm: Likewise.
4529         * config/pa/fptr.c: Likewise.
4530         * config/pa/hpux-unwind.h: Likewise.
4531         * config/pa/lib2funcs.asm: Likewise.
4532         * config/pa/linux-atomic.c: Likewise.
4533         * config/pa/linux-unwind.h: Likewise.
4534         * config/pa/milli64.S: Likewise.
4535         * config/pa/quadlib.c: Likewise.
4536         * config/pa/stublib.c: Likewise.
4537         * config/picochip/libgccExtras/adddi3.asm: Likewise.
4538         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
4539         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
4540         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
4541         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
4542         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
4543         * config/picochip/libgccExtras/divmod15.asm: Likewise.
4544         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
4545         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
4546         * config/picochip/libgccExtras/longjmp.asm: Likewise.
4547         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
4548         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
4549         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
4550         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
4551         * config/picochip/libgccExtras/setjmp.asm: Likewise.
4552         * config/picochip/libgccExtras/subdi3.asm: Likewise.
4553         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
4554         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
4555         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
4556         * config/rs6000/750cl.h: Likewise.
4557         * config/rs6000/altivec.h: Likewise.
4558         * config/rs6000/biarch64.h: Likewise.
4559         * config/rs6000/crtresfpr.asm: Likewise.
4560         * config/rs6000/crtresgpr.asm: Likewise.
4561         * config/rs6000/crtresxfpr.asm: Likewise.
4562         * config/rs6000/crtresxgpr.asm: Likewise.
4563         * config/rs6000/crtsavfpr.asm: Likewise.
4564         * config/rs6000/crtsavgpr.asm: Likewise.
4565         * config/rs6000/darwin-asm.h: Likewise.
4566         * config/rs6000/darwin-fallback.c: Likewise.
4567         * config/rs6000/darwin-fpsave.asm: Likewise.
4568         * config/rs6000/darwin-ldouble.c: Likewise.
4569         * config/rs6000/darwin-tramp.asm: Likewise.
4570         * config/rs6000/darwin-unwind.h: Likewise.
4571         * config/rs6000/darwin-vecsave.asm: Likewise.
4572         * config/rs6000/darwin-world.asm: Likewise.
4573         * config/rs6000/e500crtres32gpr.asm: Likewise.
4574         * config/rs6000/e500crtres64gpr.asm: Likewise.
4575         * config/rs6000/e500crtres64gprctr.asm: Likewise.
4576         * config/rs6000/e500crtrest32gpr.asm: Likewise.
4577         * config/rs6000/e500crtrest64gpr.asm: Likewise.
4578         * config/rs6000/e500crtresx32gpr.asm: Likewise.
4579         * config/rs6000/e500crtresx64gpr.asm: Likewise.
4580         * config/rs6000/e500crtsav32gpr.asm: Likewise.
4581         * config/rs6000/e500crtsav64gpr.asm: Likewise.
4582         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
4583         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
4584         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
4585         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
4586         * config/rs6000/eabi-ci.asm: Likewise.
4587         * config/rs6000/eabi-cn.asm: Likewise.
4588         * config/rs6000/eabi.asm: Likewise.
4589         * config/rs6000/linux-unwind.h: Likewise.
4590         * config/rs6000/linux64.h: Likewise.
4591         * config/rs6000/paired.h: Likewise.
4592         * config/rs6000/paired.md: Likewise.
4593         * config/rs6000/ppc64-fp.c: Likewise.
4594         * config/rs6000/ppu_intrinsics.h: Likewise.
4595         * config/rs6000/rs6000.h: Likewise.
4596         * config/rs6000/si2vmx.h: Likewise.
4597         * config/rs6000/sol-ci.asm: Likewise.
4598         * config/rs6000/sol-cn.asm: Likewise.
4599         * config/rs6000/spe.h: Likewise.
4600         * config/rs6000/spu2vmx.h: Likewise.
4601         * config/rs6000/sysv4.h: Likewise.
4602         * config/rs6000/tramp.asm: Likewise.
4603         * config/rs6000/vec_types.h: Likewise.
4604         * config/s390/linux-unwind.h: Likewise.
4605         * config/s390/tpf-unwind.h: Likewise.
4606         * config/score/crti.asm: Likewise.
4607         * config/score/crtn.asm: Likewise.
4608         * config/sh/crt1.asm: Likewise.
4609         * config/sh/crti.asm: Likewise.
4610         * config/sh/crtn.asm: Likewise.
4611         * config/sh/divtab-sh4-300.c: Likewise.
4612         * config/sh/divtab-sh4.c: Likewise.
4613         * config/sh/divtab.c: Likewise.
4614         * config/sh/lib1funcs-4-300.asm: Likewise.
4615         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
4616         * config/sh/lib1funcs.asm: Likewise.
4617         * config/sh/lib1funcs.h: Likewise.
4618         * config/sh/linux-atomic.asm: Likewise.
4619         * config/sh/linux-unwind.h: Likewise.
4620         * config/sh/shmedia.h: Likewise.
4621         * config/sh/sshmedia.h: Likewise.
4622         * config/sh/ushmedia.h: Likewise.
4623         * config/sparc/crtfastmath.c: Likewise.
4624         * config/sparc/linux-unwind.h: Likewise.
4625         * config/sparc/sol2-c1.asm: Likewise.
4626         * config/sparc/sol2-ci.asm: Likewise.
4627         * config/sparc/sol2-cn.asm: Likewise.
4628         * config/spu/divmodti4.c: Likewise.
4629         * config/spu/divv2df3.c: Likewise.
4630         * config/spu/float_disf.c: Likewise.
4631         * config/spu/float_unsdidf.c: Likewise.
4632         * config/spu/float_unsdisf.c: Likewise.
4633         * config/spu/float_unssidf.c: Likewise.
4634         * config/spu/mfc_multi_tag_release.c: Likewise.
4635         * config/spu/mfc_multi_tag_reserve.c: Likewise.
4636         * config/spu/mfc_tag_release.c: Likewise.
4637         * config/spu/mfc_tag_reserve.c: Likewise.
4638         * config/spu/mfc_tag_table.c: Likewise.
4639         * config/spu/multi3.c: Likewise.
4640         * config/spu/spu_internals.h: Likewise.
4641         * config/spu/spu_intrinsics.h: Likewise.
4642         * config/spu/spu_mfcio.h: Likewise.
4643         * config/spu/vec_types.h: Likewise.
4644         * config/spu/vmx2spu.h: Likewise.
4645         * config/stormy16/stormy16-lib2.c: Likewise.
4646         * config/svr4.h: Likewise.
4647         * config/sync.c: Likewise.
4648         * config/v850/lib1funcs.asm: Likewise.
4649         * config/vxlib-tls.c: Likewise.
4650         * config/vxlib.c: Likewise.
4651         * config/vxworks-dummy.h: Likewise.
4652         * config/xtensa/crti.asm: Likewise.
4653         * config/xtensa/crtn.asm: Likewise.
4654         * config/xtensa/ieee754-df.S: Likewise.
4655         * config/xtensa/ieee754-sf.S: Likewise.
4656         * config/xtensa/lib1funcs.asm: Likewise.
4657         * config/xtensa/lib2funcs.S: Likewise.
4658         * config/xtensa/linux-unwind.h: Likewise.
4659         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
4660         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
4661         * coretypes.h: Likewise.
4662         * crtstuff.c: Likewise.
4663         * defaults.h: Likewise.
4664         * dwarf2.h: Likewise.
4665         * emutls.c: Likewise.
4666         * gbl-ctors.h: Likewise.
4667         * gcov-io.h: Likewise.
4668         * ginclude/float.h: Likewise.
4669         * ginclude/iso646.h: Likewise.
4670         * ginclude/stdarg.h: Likewise.
4671         * ginclude/stdbool.h: Likewise.
4672         * ginclude/stddef.h: Likewise.
4673         * ginclude/stdfix.h: Likewise.
4674         * ginclude/stdint-gcc.h: Likewise.
4675         * ginclude/tgmath.h: Likewise.
4676         * gthr-aix.h: Likewise.
4677         * gthr-dce.h: Likewise.
4678         * gthr-gnat.c: Likewise.
4679         * gthr-gnat.h: Likewise.
4680         * gthr-lynx.h: Likewise.
4681         * gthr-mipssde.h: Likewise.
4682         * gthr-nks.h: Likewise.
4683         * gthr-posix.c: Likewise.
4684         * gthr-posix.h: Likewise.
4685         * gthr-posix95.h: Likewise.
4686         * gthr-rtems.h: Likewise.
4687         * gthr-single.h: Likewise.
4688         * gthr-solaris.h: Likewise.
4689         * gthr-tpf.h: Likewise.
4690         * gthr-vxworks.h: Likewise.
4691         * gthr-win32.h: Likewise.
4692         * gthr.h: Likewise.
4693         * libgcc2.c: Likewise.
4694         * libgcc2.h: Likewise.
4695         * libgcov.c: Likewise.
4696         * tsystem.h: Likewise.
4697         * typeclass.h: Likewise.
4698         * unwind-c.c: Likewise.
4699         * unwind-compat.h: Likewise.
4700         * unwind-dw2-fde-compat.c: Likewise.
4701         * unwind-dw2-fde-darwin.c: Likewise.
4702         * unwind-dw2-fde-glibc.c: Likewise.
4703         * unwind-dw2-fde.c: Likewise.
4704         * unwind-dw2-fde.h: Likewise.
4705         * unwind-dw2.c: Likewise.
4706         * unwind-dw2.h: Likewise.
4707         * unwind-generic.h: Likewise.
4708         * unwind-pe.h: Likewise.
4709         * unwind-sjlj.c: Likewise.
4710         * unwind.inc: Likewise.
4711         * config/arm/neon-gen.ml: Change generated copyright header to
4712         refer to version 3 of the GNU General Public License with
4713         version 3.1 of the GCC Runtime Library Exception and to point
4714         readers at the COPYING3 and COPYING3.RUNTIME files and the
4715         FSF's license web page.
4716         * config/arm/arm_neon.h: Regenerate.
4717
4718 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
4719
4720         * config/cris/cris.md: Change copyright header to refer to version
4721         3 of the GNU General Public License.
4722         * doc/install.texi2html: Change copyright header to refer to version
4723         3 of the GNU General Public License and to point readers at the
4724         COPYING3 file and the FSF's license web page.
4725         * config/vax/linux.h: Likewise.
4726
4727 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
4728
4729         * config/i386/i386.md (cmpcc): New.
4730         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
4731         (sync_compare_and_swap_cc*): Delete.
4732
4733         * config/s390/s390.c (s390_compare_emitted): Remove.
4734         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
4735         s390_compare_emitted used to be handled.  Assert that modes match.
4736         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
4737         refer to sync_compare_and_swap_ccsi.
4738         * config/s390/s390.h (s390_compare_emitted): Remove.
4739         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
4740         instead of s390_compare_emitted.
4741         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
4742         instead of s390_compare_emitted.
4743         * config/s390/s390.md (cmpcc): New.
4744         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
4745         CC_REGNUM, do not pretend it's set.
4746         (sync_compare_and_swap_cc*): Delete.
4747         * config/s390/predicates.md (cc_reg_operand): New.
4748
4749         * expr.c (sync_compare_and_swap_cc): Delete.
4750         * optabs.h (sync_compare_and_swap_cc): Delete.
4751         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
4752         is being used with can_compare_p.
4753         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
4754         (find_cc_set): New.
4755         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
4756         look for a MODE_CC set instead.  Use emit_store_flag.
4757         (expand_compare_and_swap_loop): Likewise, with some additional
4758         complication to avoid a force_reg when useless.  Use
4759         emit_cmp_and_jump_insns.
4760         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
4761         * doc/md.texi (sync_compare_and_swap_cc): Merge with
4762         sync_compare_and_swap documentation.
4763
4764 2009-04-09  Jan Hubicka  <jh@suse.cz>
4765
4766         * except.c (find_prev_try): Break out from ....
4767         (duplicate_eh_regions): ... here; properly update prev_try pointers
4768         when duplication part of tree.
4769         (dump_eh_tree): Improve dumping.
4770         (verify_eh_region): New.
4771         (verify_eh_tree): Use it.
4772
4773 2009-04-06  Richard Guenther  <rguenther@suse.de>
4774
4775         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
4776         &ARRAY addresses by adjusting their types and prepending
4777         a conversion.
4778         * tree-cfg.c (verify_gimple_assign_single): Verify that
4779         addresses are correct.
4780
4781 2009-04-09  Richard Guenther  <rguenther@suse.de>
4782
4783         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
4784         indices into an array reference if possible.
4785         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
4786         Fold POINTER_PLUS_EXPR statements with invariant address.
4787
4788 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
4789
4790         PR target/39634
4791         * config.gcc (powerpc64-*-linux*): Always build biarch.
4792
4793 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
4794
4795         PR c/39613
4796         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
4797         it and pedwarn if this results in an INTEGER_CST.
4798
4799 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4800
4801         * doc/install.texi: Update minimum GMP version.  Remove obsolete
4802         text in MPFR section.
4803
4804 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
4805
4806         * dwarf2out.c (class_scope_p): New static inline.
4807         (class_or_namespace_scope_p): Use it.
4808         (gen_variable_die): Use DW_TAG_member tag for static data member
4809         declarations instead of DW_TAG_variable.
4810
4811         PR middle-end/39573
4812         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
4813         variables.
4814
4815 2009-04-08  Richard Guenther  <rguenther@suse.de>
4816
4817         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
4818         valueize random data.
4819
4820 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
4821
4822         * config.gcc (aix tm_file):  Add aix-stdint.h.
4823         (aix tm clause use_gcc_stdint):  Set to wrap.
4824         * config/rs6000/aix-stdint.h:  New file.
4825
4826 2009-04-08  Richard Guenther  <rguenther@suse.de>
4827
4828         PR middle-end/36291
4829         * tree-dfa.c (add_referenced_var): Do not recurse into
4830         global initializers.
4831         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
4832         exposed variables.
4833         (fold_const_aggregate_ref): Likewise.
4834
4835 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
4836
4837         * recog.c (ordered_comparison_operator): New.
4838         * gensupport.c (std_preds): Add it.
4839         * doc/md.texi (Machine-Independent Predicates): Document it.
4840
4841 2009-04-08  Jan Hubicka  <jh@suse.cz>
4842
4843         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
4844         * function.h (rtl_eh): Remove exception_handler_label_map.
4845         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
4846         remove_exception_handler_label, for_each_eh_label_1): Remove.
4847         (rtl_remove_unreachable_regions): Remove.
4848         (convert_from_eh_region_ranges): Do not remove unreachable regions.
4849         (find_exception_handler_labels): Don't build the hashtable.
4850         (maybe_remove_eh_handler): Remove.
4851         (for_each_eh_label): Rewrite to walk the tree.
4852         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
4853         * except.h (maybe_remove_eh_handler): Remove.
4854         * passes.c (init_optimization_passes): Schedule second EH cleanup
4855         before out-of-ssa.
4856         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
4857         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
4858
4859 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
4860
4861         * genoutput.c (validate_optab_operands): New.
4862         (gen_insn, gen_expand): Call it.
4863
4864         * genflags.c (gen_insn): Detect misused iterators.
4865         (main): Pass line_no to gen_insn, exit with status 1 on error.
4866
4867         * genextract.c (line_no): Make global.
4868         (VEC_safe_set_locstr): Change assertion to error message.
4869         (main): Exit with status 1 on error.
4870
4871 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
4872
4873         PR c/39614
4874         PR c/39673
4875         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
4876         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
4877         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
4878         * c-convert.c (convert): Do not call fold on results of conversion
4879         functions when the result is a C_MAYBE_CONST_EXPR.
4880         * c-parser.c (c_parser_postfix_expression): Do not fold condition
4881         of __builtin_choose_expr.
4882         * c-typeck.c (remove_c_maybe_const_expr): New.
4883         (build_unary_op, build_conditional_expr, build_compound_expr,
4884         build_binary_op, c_objc_common_truthvalue_conversion): Call
4885         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
4886         integer operands.
4887
4888 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
4889
4890         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
4891         CODE to produce a new one. Add a prototype to use fold_convert_const
4892
4893 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
4894
4895         PR bootstrap/39660
4896         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
4897         mix declarations and code.
4898
4899 2009-04-08  Ben Elliston  <bje@au.ibm.com>
4900
4901         * gcc.c: Replace `CC' with `GCC' throughout.
4902
4903 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
4904
4905         * doc/invoke.texi: Document Atom support.
4906
4907 2009-04-07  Jason Merrill  <jason@redhat.com>
4908
4909         PR c++/25185
4910         * c-common.h, c-common.c: Add flag_pretty_templates.
4911         * c-opts.c (c_common_handle_option): Set it.
4912         * c.opt: Add -fno-pretty-templates.
4913         * doc/invoke.texi (C++ Dialect Options): Likewise.
4914
4915 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
4916
4917         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
4918         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
4919         (ia64_expand_builtin): Likewise.
4920
4921 2009-04-07  Martin Jambor  <mjambor@suse.cz>
4922
4923         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
4924         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
4925         ADDR_EXPRS are include too.
4926
4927 2009-04-07  Richard Guenther  <rguenther@suse.de>
4928
4929         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
4930         decls are only used if passes as parameters or if they are
4931         local statics and the call is not to a builtin.
4932         (call_may_clobber_ref_p_1): Likewise.
4933
4934 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4935
4936         * expr.c (do_store_flag): Remove last argument.  Simplify code
4937         to avoid duplication of tests already done by can_compare_p.
4938         (expand_expr_real_1): Adjust caller.
4939
4940 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4941
4942         * optabs.c (can_compare_p): Test the predicate of a
4943         cbranch and cstore pattern.
4944
4945 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4946
4947         * expr.c (convert_move): Use emit_store_flag instead of
4948         "emulating" it.
4949
4950 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4951
4952         * config/i386/i386.c (ix86_compare_emitted): Remove.
4953         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
4954         ix86_compare_op0 like ix86_compare_emitted used to be handled.
4955         * config/i386/i386.h (ix86_compare_emitted): Remove.
4956         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
4957         instead of ix86_compare_emitted.
4958         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
4959
4960 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
4961
4962         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
4963         Add t-sysroot-suffix to tmake_file.
4964         * config/print-sysroot-suffix.sh: New file.
4965         * config/t-sysroot-suffix: New file.
4966
4967 2009-04-07  Ben Elliston  <bje@au.ibm.com>
4968
4969         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
4970         as the latter produces a warning when the target does not support
4971         infinity.
4972
4973 2009-04-07  Ben Elliston  <bje@au.ibm.com>
4974
4975         * dfp.c: Replace type punning assignments with memcpy throughout.
4976         * Makefile.in (dfp.o-warn): Remove.
4977
4978 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
4979
4980         PR target/39634
4981         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
4982         Include soft-fp/t-softfp after rs6000/t-linux64.
4983
4984 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
4985
4986         * stor-layout.c (set_sizetype): Use the full precision of their
4987         machine mode for bitsize types.
4988
4989 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
4990
4991         * config/i386/i386.md: Revert 2 accidental checkins.
4992
4993 2009-04-06  Joey Ye  <joey.ye@intel.com>
4994             Xuepeng Guo  <xuepeng.guo@intel.com>
4995             H.J. Lu  <hongjiu.lu@intel.com>
4996
4997         Atom pipeline model, tuning and insn selection.
4998         * config.gcc (atom): Add atom config options and target.
4999
5000         * config/i386/atom.md: New.
5001
5002         * config/i386/i386.c (atom_cost): New cost.
5003         (m_ATOM): New macro flag.
5004         (initial_ix86_tune_features): Set m_ATOM.
5005         (x86_accumulate_outgoing_args): Likewise.
5006         (x86_arch_always_fancy_math_387): Likewise.
5007         (processor_target): Add Atom cost.
5008         (cpu_names): Add Atom cpu name.
5009         (override_options): Set Atom ISA.
5010         (ix86_issue_rate): New case PROCESSOR_ATOM.
5011         (ix86_adjust_cost): Likewise.
5012
5013         * config/i386/i386.h (TARGET_ATOM): New target macro.
5014         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
5015         (TARGET_OPT_AGU): New target option.
5016         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
5017         (processor_type): Add PROCESSOR_ATOM.
5018
5019         * config/i386/i386.md (cpu): Add new value "atom".
5020         (use_carry, movu): New attr.
5021         (atom.md): Include atom.md.
5022         (adddi3_carry_rex64): Set attr "use_carry".
5023         (addqi3_carry): Likewise.
5024         (addhi3_carry): Likewise.
5025         (addsi3_carry): Likewise.
5026         (*addsi3_carry_zext): Likewise.
5027         (subdi3_carry_rex64): Likewise.
5028         (subqi3_carry): Likewise.
5029         (subhi3_carry): Likewise.
5030         (subsi3_carry): Likewise.
5031         (x86_movdicc_0_m1_rex64): Likewise.
5032         (*x86_movdicc_0_m1_se): Likewise.
5033         (x86_movsicc_0_m1): Likewise.
5034         (*x86_movsicc_0_m1_se): Likewise.
5035         (*adddi_1_rex64): Emit add insn as much as possible.
5036         (*addsi_1): Likewise.
5037         (return_internal): Set atom_unit.
5038         (return_internal_long): Likewise.
5039         (return_pop_internal): Likewise.
5040         (*rcpsf2_sse): Set atom_sse_attr attr.
5041         (*qrt<mode>2_sse): Likewise.
5042         (*prefetch_sse): Likewise.
5043
5044         * config/i386/i386-c.c (ix86_target_macros_internal): New case
5045         PROCESSOR_ATOM.
5046         (ix86_target_macros_internal): Likewise.
5047
5048         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
5049         (*prefetch_sse_rex): Likewise.
5050         (sse_rcpv4sf2): Likewise.
5051         (sse_vmrcpv4sf2): Likewise.
5052         (sse_sqrtv4sf2): Likewise.
5053         (<sse>_vmsqrt<mode>2): Likewise.
5054         (sse_ldmxcsr): Likewise.
5055         (sse_stmxcsr): Likewise.
5056         (*sse_sfence): Likewise.
5057         (sse2_clflush): Likewise.
5058         (*sse2_mfence): Likewise.
5059         (*sse2_lfence): Likewise.
5060         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
5061         (<sse>_movup<ssemodesuffixf2c>): Likewise.
5062         (avx_movdqu<avxmodesuffix>): Likewise.
5063         (avx_lddqu<avxmodesuffix>): Likewise.
5064         (sse2_movntv2di): Change attr "type" to "ssemov".
5065         (sse2_movntsi): Likewise.
5066         (rsqrtv8sf2): Change attr "type" to "sseadd".
5067         (sse3_addsubv2df3): Set attr "atom_unit".
5068         (sse3_h<plusminus_insn>v4sf3): Likewise.
5069         (*sse2_pmaddwd): Likewise.
5070         (*vec_extractv2di_1_rex64): Likewise.
5071         (*vec_extractv2di_1_avx): Likewise.
5072         (sse2_psadbw): Likewise.
5073         (ssse3_phaddwv8hi3): Likewise.
5074         (ssse3_phaddwv4hi3): Likewise.
5075         (ssse3_phadddv4si3): Likewise.
5076         (ssse3_phadddv2si3): Likewise.
5077         (ssse3_phaddswv8hi3): Likewise.
5078         (ssse3_phaddswv4hi3): Likewise.
5079         (ssse3_phsubwv8hi3): Likewise.
5080         (ssse3_phsubwv4hi3): Likewise.
5081         (ssse3_phsubdv4si3): Likewise.
5082         (ssse3_phsubdv2si3): Likewise.
5083         (ssse3_phsubswv8hi3): Likewise.
5084         (ssse3_phsubswv4hi3): Likewise.
5085         (ssse3_pmaddubsw128): Likewise.
5086         (sse3_pmaddubsw: Likewise.
5087         (ssse3_palignrti): Likewise.
5088         (ssse3_palignrdi): Likewise.
5089
5090 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
5091
5092         * doc/install.texi (Specific): Fix two cross-references to MinGW.
5093
5094 2009-04-06  Richard Guenther  <rguenther@suse.de>
5095
5096         PR tree-optimization/28868
5097         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
5098         of which PHI results we inserted.
5099         (insert_into_preds_of_block): Record inserted PHIs.
5100         (eliminate): Eliminate redundant PHI nodes.
5101         (init_pre): Init inserted_phi_names.
5102
5103 2009-04-06  Richard Guenther  <rguenther@suse.de>
5104
5105         PR tree-optimization/39643
5106         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
5107         IMAGPART_EXPRs of complex constants.
5108         (execute_fold_all_builtins): If we folded a call queue
5109         TODO_update_address_taken.
5110
5111 2009-04-06  Jan Hubicka  <jh@suse.cz>
5112
5113         PR middle-end/39659
5114         * except.c (remove_unreachable_regions): Propagate may_contain_throw
5115         flag.
5116
5117 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
5118
5119         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
5120         delay slot.
5121         (ic_invalidate_array): Likewise.
5122
5123 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
5124
5125         * calls.c (emit_library_call_value_1): Fix a problem with parameter
5126         alignment for library calls.
5127
5128 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
5129
5130         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
5131         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
5132         * config/i386/mingw-stdint.h:  New file.
5133
5134 2009-04-05  Richard Guenther  <rguenther@suse.de>
5135
5136         PR tree-optimization/39648
5137         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
5138         our &A vs. &A[0] IL deficiencies.
5139
5140 2009-04-04  Jan Hubicka  <jh@suse.cz>
5141
5142         * except.c (sjlj_find_directly_reachable_regions): Be ready for
5143         removed toplevel regions.
5144         (sjlj_mark_call_sites): Likewise.
5145
5146 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
5147
5148         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
5149         (cygwin tm clause use_gcc_stdint):  Set to wrap.
5150         * config/i386/cygwin-stdint.h:  New file.
5151
5152 2009-04-04  Richard Guenther  <rguenther@suse.de>
5153
5154         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
5155         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
5156         single-argument PHIs if we are in loop-closed SSA form.
5157         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
5158         for the pre-condition.
5159         (slpeel_tree_peel_loop_to_edge): Likewise.
5160         (vect_build_loop_niters): Take an optional sequence to append stmts.
5161         (vect_generate_tmps_on_preheader): Likewise.
5162         (vect_do_peeling_for_loop_bound): Take extra guards for the
5163         pre-condition.
5164         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
5165         the cost model check.
5166         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
5167         guards if we are going to peel.  Do not apply versioning in that case.
5168         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
5169         (vect_do_peeling_for_loop_bound): Likewise.
5170         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
5171         loop bound only record extra pre-conditions, do not apply loop
5172         versioning.
5173
5174 2009-04-04  Richard Guenther  <rguenther@suse.de>
5175
5176         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
5177         renaming code.
5178
5179 2009-04-04  Jan Hubicka  <jh@suse.cz>
5180
5181         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
5182         last_basic_block for size of bb->index indexed array.
5183         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
5184         compute_out, link_btr_uses, build_btr_def_use_webs,
5185         build_btr_def_use_webs, migrate_btr_defs): Likewise.
5186
5187 2009-04-04  Jan Hubicka  <jh@suse.cz>
5188
5189         * except.c (remove_eh_handler_and_replace): Break out from ...
5190         (remove_eh_handler): ... here.
5191         (bring_to_root): New function.
5192         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
5193         handled ones, bring others to root of tree.
5194
5195 2009-04-04  Jan Hubicka  <jh@suse.cz>
5196
5197         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
5198         (all_phis_safe_to_merge): New function.
5199         (update_info): New structure.
5200         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
5201         (cleanup_empty_eh): Update SSA if possible.
5202
5203 2009-04-04  Richard Guenther  <rguenther@suse.de>
5204
5205         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
5206         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
5207         (append_vuse): Likewise.
5208
5209 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
5210
5211         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
5212         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
5213         instead of REG_UNSAVED for DW_CFA_undefined.
5214         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
5215         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
5216         outermost frame.
5217
5218 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
5219
5220         PR target/39501
5221         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
5222         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
5223         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
5224
5225 2009-04-04  Richard Guenther  <rguenther@suse.de>
5226
5227         PR tree-optimization/8781
5228         PR tree-optimization/37892
5229         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
5230         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
5231         (valueize_refs): Call it for *& valueizations.
5232         (shared_reference_ops_from_ref): Rename to ...
5233         (valueize_shared_reference_ops_from_ref): ... this and valueize.
5234         (shared_reference_ops_from_call): Rename to ...
5235         (valueize_shared_reference_ops_from_call): ... this and valueize.
5236         (vn_reference_lookup): Update.
5237         (visit_reference_op_call): Likewise.
5238         * tree-ssa-pre.c (phi_translate_1): Fold *&.
5239         (eliminate): Value-replace the call address in call statements.
5240
5241 2009-04-04  Richard Guenther  <rguenther@suse.de>
5242
5243         PR tree-optimization/39636
5244         * tree-ssa-forwprop.c
5245         (forward_propagate_addr_into_variable_array_index): Check for
5246         GIMPLE_ASSIGN before accessing the rhs code.
5247
5248 2009-04-03  Jason Merrill  <jason@redhat.com>
5249
5250         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
5251
5252 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
5253
5254         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
5255         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
5256         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
5257         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
5258         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
5259         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
5260         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
5261         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
5262         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
5263         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
5264         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
5265         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
5266         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
5267         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
5268         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
5269         Use fr_reg_or_fp01_operand instead of fr_register_operand
5270
5271         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
5272         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
5273         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
5274
5275 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
5276
5277         PR rtl-optimization/39607
5278         PR rtl-optimization/39631
5279
5280         Revert:
5281
5282         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
5283         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
5284         instead of DF_LR_OUT.
5285         * ira-lives.c (process_bb_node_lives): Ditto.
5286         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
5287         instead of DF_LR_{OUT,IN}.
5288         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
5289         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
5290
5291 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
5292
5293         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
5294         (execute_lower_omp): Always run but take the short way out if -fopenmp
5295         is not given.
5296         (gate_lower_omp): Remove, forcing the pass manager to always run the
5297         pass and always set PROP_gimple_lomp.
5298         (pass_lower_omp): Remove gate function.
5299         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
5300         PROP_trees.  Instead, require it.
5301         * ipa-cp.c (pass_ipa_cp): Likewise.
5302         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
5303         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
5304         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
5305         and PROP_gimple_leh.
5306
5307 2009-04-03  Richard Guenther  <rguenther@suse.de>
5308
5309         PR middle-end/13146
5310         PR tree-optimization/23940
5311         PR tree-optimization/33237
5312         PR middle-end/33974
5313         PR middle-end/34093
5314         PR tree-optimization/36201
5315         PR tree-optimization/36230
5316         PR tree-optimization/38049
5317         PR tree-optimization/38207
5318         PR tree-optimization/38230
5319         PR tree-optimization/38301
5320         PR tree-optimization/38585
5321         PR middle-end/38895
5322         PR tree-optimization/38985
5323         PR tree-optimization/39299
5324         * tree-ssa-structalias.h: Remove.
5325         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
5326         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
5327         (struct vuse_element_d): Remove.
5328         (struct vuse_vec_d): Likewise.
5329         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
5330         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
5331         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
5332         VUSE_ELEMENT_VAR): Likewise.
5333         (struct voptype_d): Likewise.
5334         (NUM_VOP_FREE_BUCKETS): Likewise.
5335         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
5336         (struct stmt_operands_d): Remove.
5337         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
5338         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
5339         VDEF_NUM, VDEF_VECT): Likewise.
5340         (copy_virtual_operands): Remove.
5341         (operand_build_cmp): Likewise.
5342         (create_ssa_artificial_load_stmt): Likewise.
5343         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
5344         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
5345         vuse_index and mayuse_index members.  Pack and move done and iter_type
5346         members to the front.
5347         (SSA_OP_VMAYUSE): Remove.
5348         (SSA_OP_VIRTUAL_USES): Adjust.
5349         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
5350         (unlink_stmt_vdef): Declare.
5351         (add_to_addressable_set): Remove.
5352         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
5353         (vrp_visit_stmt): Likewise.
5354         * doc/tree-ssa.texi (Alias analysis): Update.
5355         * doc/invoke.texi (max-aliased-vops): Remove docs.
5356         (avg-aliased-vops): Likewise.
5357         * tree-into-ssa.c (syms_to_rename): Remove.
5358         (need_to_update_vops_p): Likewise.
5359         (need_to_initialize_update_ssa_p): Rename to ...
5360         (update_ssa_initialized_fn): ... this.  Track function we are
5361         initialized for.
5362         (symbol_marked_for_renaming): Simplify.
5363         (add_new_name_mapping): Do not set need_to_update_vops_p.
5364         (dump_currdefs): Use SYMS_TO_RENAME.
5365         (rewrite_update_stmt): Always walk all uses/defs.
5366         (dump_update_ssa): Adjust.
5367         (init_update_ssa): Take function argument.  Track what we are
5368         initialized for.
5369         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
5370         (create_new_def_for): Initialize for cfun, assert we are initialized
5371         for cfun.
5372         (mark_sym_for_renaming): Simplify.
5373         (mark_set_for_renaming): Do not initialize update-ssa.
5374         (need_ssa_update_p): Simplify.  Take function argument.
5375         (name_mappings_registered_p): Assert we ask for the correct function.
5376         (name_registered_for_update_p): Likewise.
5377         (ssa_names_to_replace): Likewise.
5378         (release_ssa_name_after_update_ssa): Likewise.
5379         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
5380         (dump_decl_set): Do not print a newline.
5381         (debug_decl_set): Do it here.
5382         (dump_update_ssa): And here.
5383         * tree-ssa-loop-im.c (move_computations): Adjust.
5384         (movement_possibility): Likewise.
5385         (determine_max_movement): Likewise.
5386         (gather_mem_refs_stmt): Likewise.
5387         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
5388         or NAME_MEMORY_TAG.
5389         * tree-complex.c (update_all_vops): Remove.
5390         (expand_complex_move): Adjust.
5391         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
5392         Simplify test for memory referencing statement.  Exclude
5393         non-invariant ADDR_EXPRs.
5394         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
5395         * tree-loop-distribution.c (generate_memset_zero): Adjust.
5396         (rdg_flag_uses): Likewise.
5397         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
5398         related code.
5399         (tree_optimize_tail_calls_1): Also split the
5400         edge from the entry block if we have degenerate PHI nodes in
5401         the first basic block.
5402         * tree.c (init_ttree): Remove memory-tag related code.
5403         (tree_code_size): Likewise.
5404         (tree_node_structure): Likewise.
5405         (build7_stat): Re-write to be build6_stat.
5406         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
5407         (SSA_VAR_P): Adjust.
5408         (struct tree_memory_tag): Remove.
5409         (struct tree_memory_partition_tag): Likewise.
5410         (union tree_node): Adjust.
5411         (build7): Re-write to be build6.
5412         * tree-pass.h (pass_reset_cc_flags): Remove.
5413         (TODO_update_address_taken): New flag.
5414         (pass_simple_dse): Remove.
5415         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
5416         * params.h (MAX_ALIASED_VOPS): Remove.
5417         (AVG_ALIASED_VOPS): Likewise.
5418         * omp-low.c (expand_omp_taskreg): Update SSA form.
5419         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
5420         aliases the lhs in a copy stmt.
5421         * tree-ssa-dse.c (struct address_walk_data): Remove.
5422         (memory_ssa_name_same): Likewise.
5423         (memory_address_same): Likewise.
5424         (get_kill_of_stmt_lhs): Likewise.
5425         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
5426         unused stores.  Look through PHI nodes into post-dominated regions.
5427         (dse_optimize_stmt): Simplify.  Properly remove stores.
5428         (tree_ssa_dse): Compute dominators.
5429         (execute_simple_dse): Remove.
5430         (pass_simple_dse): Likewise.
5431         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
5432         gimple_loaded_syms and gimple_stored_syms computation.
5433         * toplev.c (dump_memory_report): Dump alias and pta stats.
5434         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
5435         (vn_reference_eq): Likewise.
5436         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
5437         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
5438         valueize_vuses): Remove.
5439         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
5440         (get_def_ref_stmt_vuse): ... this.
5441         (vn_reference_lookup_2): New function.
5442         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
5443         walking equivalent vuses.  Simplify.
5444         (vn_reference_lookup): Likewise.
5445         (vn_reference_insert): Likewise.
5446         (vn_reference_insert_pieces): Likewise.
5447         (visit_reference_op_call): Simplify.
5448         (visit_reference_op_load): Likewise.
5449         (visit_reference_op_store): Likewise.
5450         (init_scc_vn): Remove shared_lookup_vuses initialization.
5451         (free_scc_vn): Remove shared_lookup_vuses freeing.
5452         (sort_vuses, sort_vuses_heap): Remove.
5453         (get_ref_from_reference_ops): Export.
5454         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
5455         vector with single vuse pointer.
5456         (vn_reference_lookup_pieces, vn_reference_lookup,
5457         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
5458         (shared_vuses_from_stmt): Remove.
5459         (get_ref_from_reference_ops): Declare.
5460         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
5461         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
5462         memory-tag related code.
5463         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
5464         (likely_value): Add comment, skip static-chain of call statements.
5465         (surely_varying_stmt_p): Adjust.
5466         (gimplify_and_update_call_from_tree): Likewise.
5467         (execute_fold_all_builtins): Do not rebuild alias info.
5468         (gimplify_and_update_call_from_tree): Properly update VOPs.
5469         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
5470         (copy_ref_info): Remove memory-tag related code.
5471         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
5472         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
5473         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
5474         computation.
5475         * tree-ssa-dom.c (gimple_p): Remove typedef.
5476         (eliminate_redundant_computations): Adjust.
5477         (record_equivalences_from_stmt): Likewise.
5478         (avail_expr_hash): Likewise.
5479         (avail_expr_eq): Likewise.
5480         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
5481         (stmt_makes_single_load): Likewise.
5482         (stmt_makes_single_store): Likewise.
5483         * tree-ssa-alias.c: Rewrite completely.
5484         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
5485         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
5486         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
5487         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
5488         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
5489         Remove public functions.
5490         (pass_reset_cc_flags): Remove.
5491         (pass_build_alias): Move ...
5492         * tree-ssa-structalias.c (pass_build_alias): ... here.
5493         * tree-ssa-alias.c (may_be_aliased): Move ...
5494         * tree-flow-inline.h (may_be_aliased): ... here.
5495         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
5496         count_uses_and_derefs): Move ...
5497         * gimple.c: ... here.
5498         * gimple.h (count_uses_and_derefs): Declare.
5499         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
5500         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
5501         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
5502         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
5503         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
5504         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
5505         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
5506         New functions.
5507         * tree-dfa.c (refs_may_alias_p): Move ...
5508         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
5509         * tree-ssa-alias.h: New file.
5510         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
5511         (statement_sink_location): Likewise.
5512         * opts.c (decode_options): Do not adjust max-aliased-vops or
5513         avg-aliased-vops values.
5514         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
5515         (TV_CALL_CLOBBER): Likewise.
5516         (TV_FLOW_SENSITIVE): Likewise.
5517         (TV_FLOW_INSENSITIVE): Likewise.
5518         (TV_MEMORY_PARTITIONING): Likewise.
5519         (TV_ALIAS_STMT_WALK): New timevar.
5520         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
5521         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
5522         (get_address_description): Remove memory-tag related code.
5523         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
5524         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
5525         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
5526         and immediate uses in statements.  Document.
5527         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
5528         (dump_symbols): Remove.
5529         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
5530         * alias.c (get_deref_alias_set): New function split out from ...
5531         (get_alias_set): ... here.
5532         * alias.h (get_deref_alias_set): Declare.
5533         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
5534         type parameter.  Remove restrict pointer handling.  Create a
5535         ref-all pointer in case type-based alias sets do not conflict.
5536         (vect_analyze_data_refs): Remove SMT related code.
5537         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
5538         (vectorizable_load): Likewise.
5539         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
5540         (DR_SYMBOL_TAG, DR_VOPS): Remove.
5541         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
5542         Ignore vops and SMTs.
5543         (dr_analyze_alias): Likewise..
5544         (free_data_ref): Likewise.
5545         (create_data_ref): Likewise.
5546         (analyze_all_data_dependences): Likewise.
5547         (get_references_in_stmt): Adjust.
5548         * tree-flow-inline.h (gimple_aliases_computed_p,
5549         gimple_addressable_vars, gimple_call_clobbered_vars,
5550         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
5551         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
5552         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
5553         gimple_mem_ref_stats): Remove.
5554         (gimple_vop): New function.
5555         (op_iter_next_use): Remove vuses and mayuses cases.
5556         (op_iter_next_def): Remove vdefs case.
5557         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
5558         (clear_and_done_ssa_iter): Do not set removed fields.
5559         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
5560         Assert we are not iterating over vuses or vdefs if not also
5561         iterating over uses or defs.
5562         (op_iter_init_use): Likewise.
5563         (op_iter_init_def): Likewise.
5564         (op_iter_next_vdef): Remove.
5565         (op_iter_next_mustdef): Likewise.
5566         (op_iter_init_vdef): Likewise.
5567         (compare_ssa_operands_equal): Likewise.
5568         (link_use_stmts_after): Handle vuse operand.
5569         (is_call_used): Use is_call_clobbered.
5570         (is_call_clobbered): Global variables are always call clobbered,
5571         query the call-clobbers bitmap.
5572         (mark_call_clobbered): Ignore global variables.
5573         (clear_call_clobbered): Likewise.
5574         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
5575         virtual operands sanity check.
5576         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
5577         Remove.
5578         (TARGET_MEM_REF): Remove TMR_TAG operand.
5579         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
5580         Remove call-clobber related code.
5581         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
5582         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
5583         partitions or escape reason.
5584         (get_single_def_stmt, get_single_def_stmt_from_phi,
5585         get_single_def_stmt_with_phi): Remove.
5586         (dump_referenced_vars): Tidy.
5587         (get_ref_base_and_extent): Allow bare decls.
5588         (collect_dfa_stats): Adjust.
5589         * graphite.c (rename_variables_in_stmt): Adjust.
5590         (graphite_copy_stmts_from_block): Likewise.
5591         (translate_clast): Likewise.
5592         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
5593         (EXPR_DIES): New.
5594         (translate_vuse_through_block): Use the oracle.
5595         (phi_translate_1): Adjust.
5596         (value_dies_in_block_x): Use the oracle.  Cache the outcome
5597         in EXPR_DIES.
5598         (valid_in_sets): Check if the VUSE for
5599         a REFERENCE is available.
5600         (eliminate): Do not remove stmts during elimination,
5601         instead queue and remove them afterwards.
5602         (do_pre): Do not rebuild alias info.
5603         (pass_pre): Run TODO_rebuild_alias before PRE.
5604         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
5605         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
5606         (mark_all_v_defs_stmt): Remove.
5607         (mark_all_v_defs_seq): Adjust.
5608         (sra_replace): Likewise.
5609         (scalarize_use): Likewise.
5610         (scalarize_copy): Likewise.
5611         (scalarize_init): Likewise.
5612         (scalarize_ldst): Likewise.
5613         (todoflags): Remove.
5614         (tree_sra): Do not rebuild alias info.
5615         (tree_sra_early): Adjust.
5616         (pass_sra): Run TODO_update_address_taken before SRA.
5617         * tree-predcom.c (set_alias_info): Remove.
5618         (prepare_initializers_chain): Do not call it.
5619         (mark_virtual_ops_for_renaming): Adjust.
5620         (mark_virtual_ops_for_renaming_list): Remove.
5621         (initialize_root_vars): Adjust.
5622         (initialize_root_vars_lm): Likewise.
5623         (prepare_initializers_chain): Likewise.
5624         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
5625         (may_propagate_copy_into_stmt): Likewise.
5626         (merge_alias_info): Do nothing for now.
5627         (propagate_tree_value_into_stmt): Adjust.
5628         (stmt_may_generate_copy): Likewise.
5629         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
5630         not mark symbols for renaming.
5631         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
5632         with the same statement, make sure to update the new pointed-to one.
5633         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
5634         call statements, do not mark symbols for renaming.
5635         (mark_operand_necessary): Dump something.
5636         (ref_may_be_aliased): New function.
5637         (mark_aliased_reaching_defs_necessary_1): New helper function.
5638         (mark_aliased_reaching_defs_necessary): Likewise.
5639         (mark_all_reaching_defs_necessary_1): Likewise.
5640         (mark_all_reaching_defs_necessary): Likewise.
5641         (propagate_necessity): Do not process virtual PHIs.  For
5642         non-aliased loads mark all reaching definitions as necessary.
5643         For aliased loads and stores mark the immediate dominating
5644         aliased clobbers as necessary.
5645         (visited): New global static.
5646         (perform_tree_ssa_dce): Free visited bitmap after propagating
5647         necessity.
5648         (remove_dead_phis): Perform simple dead virtual PHI removal.
5649         (remove_dead_stmt): Properly unlink virtual operands when
5650         removing stores.
5651         (eliminate_unnecessary_stmts): Schedule PHI removal after
5652         stmt removal.
5653         * tree-ssa-ter.c (is_replaceable_p): Adjust.
5654         (process_replaceable): Likewise.
5655         (find_replaceable_in_bb): Likewise.
5656         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
5657         based on the single gimple vop.
5658         (verify_flow_insensitive_alias_info): Remove.
5659         (verify_flow_sensitive_alias_info): Likewise.
5660         (verify_call_clobbering): Likewise.
5661         (verify_memory_partitions): Likewise.
5662         (verify_alias_info): Likewise.
5663         (verify_ssa): Adjust..
5664         (execute_update_addresses_taken): Export.  Update SSA
5665         manually.  Optimize only when optimizing.  Use a local bitmap.
5666         (pass_update_address_taken): Remove TODO_update_ssa, add
5667         TODO_dump_func.
5668         (pass_update_address_taken): Just use TODO_update_address_taken.
5669         (init_tree_ssa): Do not initialize addressable_vars.
5670         (verify_ssa): Verify new VUSE / VDEF properties.
5671         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
5672         Do not call verify_alias_info.
5673         (delete_tree_ssa): Clear the VUSE, VDEF operands.
5674         Do not free the loaded and stored syms bitmaps.  Reset the escaped
5675         and callused solutions.  Do not free addressable_vars.
5676         Remove memory-tag related code.
5677         (warn_uninitialized_var): Aliases are always available.
5678         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
5679         * lambda-code.c (can_put_in_inner_loop): Adjust.
5680         (can_put_after_inner_loop): Likewise.
5681         (perfect_nestify): Likewise.
5682         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
5683         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
5684         (vectorizable_conversion): Do not mark symbols for renaming.
5685         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
5686         (expand_call_inline): Unlink the calls virtual operands before
5687         replacing it.
5688         (tree_function_versioning): Do not call update_ssa if we are not
5689         updating clones.  Simplify.
5690         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
5691         (propagate_with_phi): Likewise..
5692         * tree-outof-ssa.c (create_temp): Remove memory tag and call
5693         clobber code.  Assert we are not aliased or global.
5694         * tree-flow.h: Include tree-ssa-alias.h
5695         (enum escape_type): Remove.
5696         (struct mem_sym_stats_d): Likewise.
5697         (struct mem_ref_stats_d): Likewise.
5698         (struct gimple_df): Add vop member.  Remove global_var,
5699         call_clobbered_vars, call_used_vars, addressable_vars,
5700         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
5701         escaped and callused members.
5702         (struct ptr_info_def): Remove all members, add points-to solution
5703         member pt.
5704         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
5705         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
5706         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
5707         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
5708         (tree-ssa-alias.o): Likewise.
5709         (toplev.o): Add tree-ssa-alias.h
5710         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
5711         * gimple.c (gimple_set_bb): Fix off-by-one error.
5712         (is_gimple_reg): Do not handle memory tags.
5713         (gimple_copy): Also copy virtual operands.
5714         Delay updating the statement.  Do not reset loaded and stored syms.
5715         (gimple_set_stored_syms): Remove.
5716         (gimple_set_loaded_syms): Likewise.
5717         (gimple_call_copy_skip_args): Copy the virtual operands
5718         and mark the new statement modified.
5719         * tree-ssa-structalias.c (may_alias_p): Remove.
5720         (set_uids_in_ptset): Take the alias set to prune with as
5721         parameter.  Fold in the alias test of may_alias_p.
5722         (compute_points_to_sets): Compute whether a ptr is dereferenced
5723         in a local sbitmap.
5724         (process_constraint): Deal with &ANYTHING on the lhs, reject all
5725         other ADDRESSOF constraints on the lhs.
5726         (get_constraint_for_component_ref): Assert that we don't get
5727         ADDRESSOF constraints from the base of the reference.
5728         Properly generate UNKNOWN_OFFSET for DEREF if needed.
5729         (struct variable_info): Remove collapsed_to member.
5730         (get_varinfo_fc): Remove.
5731         (new_var_info): Do not set collapsed_to.
5732         (dump_constraint): Do not follow cycles.
5733         (dump_constraint_graph): Likewise.
5734         (build_pred_graph): Likewise.
5735         (build_succ_graph): Likewise.
5736         (rewrite_constraints): Likewise.
5737         (do_simple_structure_copy): Remove.
5738         (do_rhs_deref_structure_copy): Remove.
5739         (do_lhs_deref_structure_copy): Remove.
5740         (collapse_rest_of_var): Remove.
5741         (do_structure_copy): Re-implement.
5742         (pta_stats): New global variable.
5743         (dump_pta_stats): New function.
5744         (struct constraint_expr): Make offset signed.
5745         (UNKNOWN_OFFSET): Define special value.
5746         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
5747         (solution_set_expand): New helper function split out from ...
5748         (do_sd_constraint): ... here.
5749         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
5750         (do_ds_constraint): Likewise.
5751         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
5752         and CALLUSED = *CALLUSED.
5753         (set_union_with_increment): Make inc argument signed.
5754         (type_safe): Remove.
5755         (get_constraint_for_ptr_offset): Handle unknown and negative
5756         constant offsets.
5757         (first_vi_for_offset): Handle offsets before start.  Bail
5758         out early for offsets beyond the variable extent.
5759         (first_or_preceding_vi_for_offset): New function.
5760         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
5761         Together with ESCAPED = *ESCAPED this properly computes reachability.
5762         (find_what_var_points_to): New function.
5763         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
5764         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
5765         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
5766         pt_solutions_intersect): New functions.
5767         (compute_call_used_vars): Remove.
5768         (compute_may_aliases): New main entry into PTA computation.
5769         * gimple.h (gimple_p): New typedef.
5770         (struct gimple_statement_base): Remove references_memory_p.
5771         (struct gimple_statement_with_memory_ops_base): Remove
5772         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
5773         members.
5774         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
5775         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
5776         gimple_set_references_memory): Remove.
5777         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
5778         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
5779         New functions.
5780         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
5781         (verify_expr): Allow RESULT_DECL.
5782         (gimple_duplicate_bb): Do not copy virtual operands.
5783         (gimple_duplicate_sese_region): Adjust.
5784         (gimple_duplicate_sese_tail): Likewise.
5785         (mark_virtual_ops_in_region): Remove.
5786         (move_sese_region_to_fn): Do not call it.
5787         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
5788         and pass_simple_dse.
5789         (execute_function_todo): Handle TODO_update_address_taken,
5790         call execute_update_addresses_taken for TODO_rebuild_alias.
5791         (execute_todo): Adjust.
5792         (execute_one_pass): Init dump files early.
5793         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
5794         call-clobbered.
5795         (create_general_new_stmt): Clear vops.
5796         * tree-ssa-reassoc.c (get_rank): Adjust.
5797         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
5798         symbols for renaming.
5799         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
5800         (PARAM_AVG_ALIASED_VOPS): Likewise.
5801         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
5802         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
5803         * tree-ssa-operands.c: Simplify for new virtual operand representation.
5804         (operand_build_cmp, copy_virtual_operands,
5805         create_ssa_artificial_load_stmt, add_to_addressable_set,
5806         gimple_add_to_addresses_taken): Remove public functions.
5807         (unlink_stmt_vdef): New function.
5808
5809 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
5810
5811         * config.gcc (powerpc-*-linux*): Merge variants.
5812
5813 2009-04-02  Chao-ying Fu  <fu@mips.com>
5814             James Grosbach  <james.grosbach@microchip.com>
5815
5816         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
5817         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
5818         cop0_sp_offset.
5819         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
5820         keep_interrupts_masked_p, use_debug_exception_return_p.
5821         (mips_attribute_table): Add interrupt, use_shadow_register_set,
5822         keep_interrupts_masked, use_debug_exception_return.
5823         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
5824         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
5825         New functions.
5826         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
5827         (mips_print_operand): Process COP0 registers to print $0 .. $31
5828         correctly for GAS to process.
5829         (mips_interrupt_extra_call_saved_reg_p): New function.
5830         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
5831         extra registers.
5832         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
5833         (mips_compute_frame_info): Add supports for interrupt context that
5834         includes doubleword accumulators and COP0 registers.
5835         (mips_for_each_saved_acc): New function.
5836         (mips_for_each_saved_gpr_and_fpr): Change the function name from
5837         mips_for_each_saved_reg.
5838         (mips_save_reg): Save accumulators.
5839         (mips_kernel_reg_p): A new for_each_rtx callback.
5840         (mips_expand_prologue): Support interrupt handlers.
5841         (mips_restore_reg): Restore accumulators.
5842         (mips_expand_epilogue): Support interrupt handlers.
5843         (mips_can_use_return_insn): Return false for interrupt handlers.
5844         (mips_epilogue_uses): New function.
5845         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
5846         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
5847         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
5848         cop0_move): New instructions.
5849         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
5850         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
5851         defines.
5852         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
5853         New defines.
5854         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
5855         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
5856         interrupt handlers, we use K0 as the temporary register.
5857         (EPILOGUE_USES): Change to a function call.
5858         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
5859         handlers, we use K0 as the temporary register.
5860
5861         * doc/extend.texi (Function Attributes): Document interrupt,
5862         use_shadow_register_set, keep_interrupts_masked,
5863         use_debug_exception_return for MIPS attributes.
5864
5865 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
5866
5867         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
5868         Remove a number of t-files from tmake_file.
5869         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
5870         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
5871         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
5872         target_prototype, not TARGET_PROTOTYPE.
5873         (LINK_OS_GNU_SPEC): Define.
5874         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
5875         and darwin-ldoubdle.c.
5876
5877 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
5878
5879         PR driver/39293
5880         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
5881         (cpp_options): Ditto.
5882         (default_compilers): Ditto.
5883         (display_help): Ditto.
5884         (process_command): Ditto.
5885         (do_spec_1): Ditto.
5886         (set_input): Use lbasename instead of duplicate code.
5887         (save_temps_prefix): New static for -save-temps=obj.
5888         (save_temps_length): Ditto.
5889
5890         * doc/invoke.texi (-save-temps=obj): Document new variant to
5891         -save-temps switch.
5892
5893 2009-04-02  Jeff Law  <law@redhat.com>
5894
5895         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
5896         variable.
5897
5898 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
5899
5900         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
5901         * configure: Regenerated.
5902
5903 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
5904
5905         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
5906         share the argument list.
5907
5908 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
5909
5910         Merge
5911
5912         2009-02-12  Diego Novillo  <dnovillo@google.com>
5913
5914         * varpool.c (debug_varpool): New.
5915         * cgraph.h (debug_varpool): Declare.
5916
5917 2009-04-02  Jan Hubicka  <jh@suse.cz>
5918
5919         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
5920         pass.
5921
5922 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
5923
5924         * config/i386/i386.c (ix86_abi): Move initialization to ...
5925         (override_options): Here.
5926
5927 2009-04-02  Christian Bruel  <christian.bruel@st.com>
5928
5929         * config/sh/sh.c (sh_dwarf_register_span): New function.
5930         (TARGET_DWARF_REGISTER_SPAN): Define.
5931         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
5932
5933 2009-04-02  Ira Rosen  <irar@il.ibm.com>
5934
5935         PR tree-optimization/39595
5936         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
5937         interleaved loads group is not  greater than the SLP group size.
5938
5939 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
5940
5941         * builtins.c (is_builtin_name): New.
5942         (called_as_built_in): Use is_builtin_name.
5943         * tree.h (is_builtin_name): New.
5944         * varasm.c (incorporeal_function_p): Use is_builtin_name
5945
5946 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
5947
5948         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
5949
5950 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
5951
5952         PR c++/26693
5953         * c-decl.c (clone_underlying_type): Move this ...
5954         * c-common.c (set_underlying_type): ... here.
5955         Also, make sure the function properly sets TYPE_STUB_DECL() on
5956         the newly created typedef variant type.
5957         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
5958         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
5959         points.
5960
5961 2009-04-02  Richard Guenther  <rguenther@suse.de>
5962
5963         PR tree-optimization/37221
5964         * tree-flow.h (degenerate_phi_result): Declare.
5965         * tree-ssa-dom.c (degenerate_phi_result): Export.
5966         * tree-scalar-evolution.c (analyze_initial_condition): If
5967         the initial condition is defined by a degenerate PHI node
5968         use the degenerate value.
5969
5970 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
5971
5972         PR rtl-optimization/39588
5973         * combine.c (merge_outer_ops): Do not set the constant when this
5974         is not necessary.
5975         (simplify_shift_const_1): Do not modify it either in this case.
5976
5977 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
5978
5979         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
5980         tuning is deprecated if -mtune value is set to an Itanium1 variant.
5981
5982 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
5983
5984         PR c/29027
5985         * c-lex.c (interpret_float): Default (no suffix) is double.
5986
5987 2009-04-1  Xinliang David Li  <davidxl@google.com>
5988
5989         * config/i386/i386.c (legitimate_constant_p): Recognize
5990         all one vector constant.
5991
5992 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5993
5994         * config/vax/vax.c: Add #includes to silence warnings.
5995         Change #include order to silence two warnings.
5996
5997 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5998
5999         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
6000         (ASM_SPEC): Pass -k to the assembler for PIC code.
6001
6002 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6003
6004         * config.gcc: Add vax-*-linux* to the switch.
6005         * config/vax/linux.h: New file. (TARGET_VERSION,
6006         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
6007
6008 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6009
6010         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
6011         Use predicate macros instead of GET_CODE() == foo.
6012         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
6013         ashlsi3, rotrsi3, <unnamed>): Likewise.
6014
6015 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6016
6017         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
6018         jbbccihi, jbbccisi): Remova trailing whitespace.
6019         * config/vax/constraints.md: Likewise.
6020         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
6021         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
6022         * config/vax/predicates.md: Likewise.
6023         * config/vax/vax.c (print_operand_address, vax_output_int_move,
6024         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
6025         * config/vax/vax.h: Likewise.
6026         * config/vax/vax.md (nonlocal_goto): Likewise.
6027
6028 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6029
6030         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
6031         (indirectable_address_p, adjacent_operands_p): Add spaces around
6032         braces.
6033         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
6034
6035 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6036
6037         * config/vax/vax.c (legitimate_constant_address_p,
6038         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
6039         index_term_p, reg_plus_index_p, legitimate_address_p,
6040         vax_mode_dependent_address_p): Update comments to match functions
6041         modified by the recent int->bool conversion.
6042
6043 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6044
6045         * config/vax/builtins.md: Update copyright message.
6046         * config/vax/constraints.md: Likewise.
6047         * config/vax/netbsd-elf.h: Likewise.
6048         * config/vax/predicates.md: Likewise.
6049         * config/vax/vax-protos.h: Likewise.
6050         * config/vax/vax.c: Likewise.
6051         * config/vax/vax.h: Likewise.
6052         * config/vax/vax.md: Likewise.
6053         * config/vax/vax.opt: Likewise.
6054
6055 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6056
6057         * config/vax/builtins.md (ffssi2, ffssi2_internal,
6058         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
6059         * config/vax/constraints.md (B, R): Likewise.
6060         * config/vax/predicates.md (external_memory_operand,
6061         nonimmediate_addsub_di_operand): Likewise.
6062         * config/vax/vax.c (vax_output_int_add): Likewise.
6063         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
6064         untyped_call): Likewise.
6065
6066 2009-04-01  Matt Thomas  <matt@3am-software.com>
6067
6068         * config/vax/predicates.md: New file.
6069         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
6070         external_const_operand, nonsymbolic_operand, external_memory_operand,
6071         indirect_memory_operand, indexed_memory_operand,
6072         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
6073         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
6074         predicate.
6075         * config/vax/constraints.md: New file.
6076         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
6077         New constraint.
6078         * config/vax/builtins.md: New file.
6079         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
6080         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
6081         jbbccisi): Define.
6082         * config/vax/vax.opt (mqmath): Add option.
6083         * config/vax/vax.md (isfx): Extend with DI.
6084         (VAXintQH, VAXintQHSD): Define.
6085         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
6086         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
6087         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
6088         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
6089         (movdi): Update constraints and use vax_output_int_move().
6090         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
6091         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
6092         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
6093         nonlocal_goto): New.
6094         (mov<mode>): Extend accepted operand types.
6095         (subdi3_old): Rename from subdi3, change update constraints and use
6096         a new implementation.
6097         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
6098         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
6099         MOVE_RATIO, CLEAR_RATIO): Define.
6100         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
6101         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6102         (PRINT_OPERAND): Redefine using a function instead of inlined code.
6103         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
6104         (split_quadword_operands): Make static and really allow variable
6105         splitting.
6106         (print_operand_address): Update for PIC generation.
6107         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
6108         indexable_address_p, fixup_mathdi_operand,
6109         vax_expand_addsub_di_operands, adjacent_operands_p): New.
6110         (vax_float_literal, legitimate_constant_p,
6111         indirectable_constant_address_p, index_term_p,
6112         reg_plus_index_p): Return bool instead of int.
6113         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
6114         where needed.
6115         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
6116         generation.
6117         (vax_output_conditional_branch): Indent.
6118         (legitimate_constant_address_p, indirectable_constant_address_p,
6119         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
6120         vax_mode_dependent_address_p): Return bool instead of int, update for
6121         PIC generation.
6122         * config/vax/vax-protos.h (legitimate_constant_address_p,
6123         legitimate_constant_p, legitimate_address_p,
6124         vax_mode_dependent_address_p): Change declaration to bool.
6125         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
6126         vax_expand_addsub_di_operands, vax_output_int_subtract,
6127         vax_output_movmemsi): Declare.
6128         (split_quadword_operands, vax_float_literal): Delete declaration.
6129         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
6130         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
6131         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
6132         ASM_OUTPUT_DWARF_PCREL): Define.
6133         (ASM_SPEC): Change definition to allow PIC generation.
6134
6135 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
6136
6137         * doc/sourcebuild.texi: Update front-end requirements.
6138
6139 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6140
6141         PR target/39226
6142         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
6143         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
6144         (booldi3_internal3): Use boolean_or_operator instead of
6145         boolean_operator.
6146
6147 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
6148
6149         PR c/39605
6150         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
6151         declarator whose size is not an integer constant expression but
6152         folds to an integer constant, then treat it as a constant
6153         subsequently.
6154
6155 2009-04-01  Richard Guenther  <rguenther@suse.de>
6156
6157         * fold-const.c (fold_plusminus_mult_expr): Do not fold
6158         i * 4 + 2 to (i * 2 + 1) * 2.
6159
6160 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6161
6162         PR c/37772
6163         * c-parser.c (c_parser_asm_statement): Skip until close paren and
6164         return if c_parser_asm_string_literal returned NULL.
6165
6166 2009-04-01  Nick Clifton  <nickc@redhat.com>
6167
6168         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
6169         already defined.
6170         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
6171         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
6172         other typedefs to avoid conflicts with libgcc2.c.  Define labels
6173         to gain 16-bit bit-manipulation functions from libgcc2.c and then
6174         include it.
6175         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
6176         to gain 16-bit trapping arithmetic functions from libgcc2.c and
6177         then include it.
6178
6179 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
6180
6181         * varasm.c (default_function_rodata_section): Declare DOT as
6182         const char*.
6183
6184 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
6185             Andrey Galkin  <agalkin@hypercom.com>
6186
6187         PR/39492
6188         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
6189         Make object_name unique for each process.
6190
6191 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6192
6193         PR other/39591
6194         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
6195         addressable variables in the parallel that could go out of scope while
6196         running queued tasks.
6197
6198 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
6199
6200         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
6201         (CASE_VALUES_THRESHOLD): Redefine.
6202         * config/avr/avr.c (avr_override_options): Remove initialization of
6203         avr_case_values_threshold variable.
6204         (avr_case_values_threshold): Remove variable. Add new function.
6205         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
6206         * config/avr/avr.opt (mno-tablejump): Remove option.
6207         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
6208
6209 2009-04-01  DJ Delorie  <dj@redhat.com>
6210
6211         * varasm.c (default_function_rodata_section): Don't assume
6212         anything about where the first '.' in the section name is.
6213
6214 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
6215
6216         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
6217         rs6000_emit_stack_tie.
6218
6219 2009-03-31  Ian Lance Taylor  <iant@google.com>
6220
6221         * tree-eh.c (tree_remove_unreachable_handlers): Compare
6222         gimple_code with GIMPLE_RESX, not RESX.
6223
6224 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6225
6226         * c-common.c (c_get_ident): New.
6227         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
6228
6229 2009-04-01  Ben Elliston  <bje@au.ibm.com>
6230
6231         * config/rs6000/sysv4.opt (msdata): Improve option description.
6232
6233 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
6234
6235         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
6236         (divdf3_internal_lat): Remove.
6237         (divxf3_internal_lat): Remove.
6238         (divxf3_internal_thr): Remove.
6239         (divxf): Use divxf3_internal.
6240         * config/ia64/div.md (divsf3_internal_lat): New.
6241         (divdf3_internal_lat): New.
6242         (divxf3_internal): New.
6243
6244 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6245
6246         PR c/448
6247         * Makefile.in (USE_GCC_STDINT): Define.
6248         (stmp-int-hdrs): Install stdint.h if applicable.
6249         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
6250         if known.
6251         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
6252         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
6253         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
6254         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6255         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6256         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6257         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6258         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6259         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
6260         (c_common_nodes_and_builtins): Initialize
6261         underlying_wchar_type_node.  Do not initialize
6262         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
6263         nodes for new types.
6264         (c_stddef_cpp_builtins): Define macros for new types.
6265         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
6266         Remove.
6267         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
6268         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
6269         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
6270         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
6271         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
6272         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
6273         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
6274         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
6275         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
6276         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
6277         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
6278         int16_type_node, int32_type_node, int64_type_node,
6279         uint8_type_node, uint16_type_node, c_uint32_type_node,
6280         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
6281         int_least32_type_node, int_least64_type_node,
6282         uint_least8_type_node, uint_least16_type_node,
6283         uint_least32_type_node, uint_least64_type_node,
6284         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
6285         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
6286         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
6287         uintptr_type_node): Define.
6288         * c-cppbuiltin.c (builtin_define_constants,
6289         builtin_define_type_minmax): New.
6290         (builtin_define_stdint_macros): Define more macros.
6291         (c_cpp_builtins): Define more limit macros.
6292         (type_suffix): New.
6293         (builtin_define_type_max): Define in terms of
6294         builtin_define_type_minmax.  Remove is_long parameter.  All
6295         callers changed.
6296         * config.gcc (use_gcc_stdint): Define.
6297         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
6298         Add newlib-stdint.h for generic targets.
6299         * config/glibc-stdint.h, config/newlib-stdint.h,
6300         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
6301         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
6302         * config/score/score.h (UINTPTR_TYPE): Define.
6303         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
6304         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
6305         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6306         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6307         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6308         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6309         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6310         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
6311         * config/spu/spu.h (STDINT_LONG32): Define.
6312         * configure.ac (use_gcc_stdint): Substitute.
6313         * configure: Regenerate.
6314         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
6315         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
6316         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
6317         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
6318         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
6319         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
6320         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
6321         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
6322         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
6323         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
6324         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
6325         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
6326         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
6327         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
6328         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
6329         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
6330         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
6331         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
6332         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
6333         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
6334         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
6335         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
6336         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
6337         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6338         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6339         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6340         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6341         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6342         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
6343
6344 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
6345
6346         * loop-iv.c (suitable_set_for_replacement): Renamed from
6347         simplify_using_assignment; changed to return bool and to accept new
6348         args DEST and SRC.  Return true iff we find a source/destination pair
6349         that can be used to make a replacement, and fill SRC and DEST if so.
6350         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
6351         changed.
6352         (simplify_using_initial_values): Deal with altered regs here and track
6353         more precisely the effect they have on the validity of our expression.
6354
6355         * loop-iv.c (simplify_using_condition): A condition of the form
6356         (EQ REG CONST) can be used to simply make a substitution.
6357         (simplify_using_initial_values): Keep track of conditions we have seen
6358         and keep using them to simplify new expressions, while applying the
6359         same substitutions to them as to the expression.
6360
6361         * simplify-rtx.c (simplify_relational_operation_1): Simplify
6362         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
6363         GEU/LTU reversed.
6364
6365         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
6366         changed.  Use this when trying to improve the upper bound.
6367         Generate the comparison by using simplify_gen_relational.
6368
6369         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
6370
6371         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
6372         functions.
6373         (simplify_using_assignment, simplify_using_initial_values): Call
6374         replace_in_expr to make replacements.  Call replace_single_def_regs
6375         once on the initial version of the expression.
6376
6377 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6378
6379         PR target/27237
6380         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
6381
6382 2009-03-31  Richard Guenther  <rguenther@suse.de>
6383
6384         PR middle-end/31029
6385         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
6386         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
6387
6388 2009-03-31  Richard Guenther  <rguenther@suse.de>
6389
6390         * tree.h (div_if_zero_remainder): Declare.
6391         * fold-const.c (div_if_zero_remainder): Export.
6392         * tree-ssa-forwprop.c
6393         (forward_propagate_addr_into_variable_array_index): Handle
6394         constant array index addition outside of the variable index.
6395
6396 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6397
6398         PR target/39592
6399         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
6400         define_splits, floatunssi<mode>2): Require x87 conversions from
6401         DImode to be permitted.
6402
6403 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6404
6405         PR preprocessor/15638
6406         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
6407
6408 2009-03-31  Richard Guenther  <rguenther@suse.de>
6409
6410         PR middle-end/23401
6411         PR middle-end/27810
6412         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
6413         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
6414         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
6415         a separate statement.
6416         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
6417         (lookup_tmp_var): Likewise.
6418         (is_gimple_formal_tmp_or_call_rhs): Remove.
6419         (is_gimple_reg_or_call_rhs): Rename to ...
6420         (is_gimple_reg_rhs_or_call): ... this.
6421         (is_gimple_mem_or_call_rhs): Rename to ...
6422         (is_gimple_mem_rhs_or_call): ... this.
6423         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
6424         DECL_GIMPLE_REG_P only if is_formal is true.
6425         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
6426         for non-proper post-modify expression gimplification.
6427         (gimplify_self_mod_expr): For post-modify expressions gimplify
6428         the lvalue to a minimal lvalue.
6429         (rhs_predicate_for): Remove formal temp case.
6430         (gimplify_modify_expr_rhs): Likewise.
6431         (gimplify_addr_expr): Use is_gimple_reg.
6432         (gimplify_expr): Remove formal temp cases.
6433         (gimple_regimplify_operands): Likewise.
6434         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
6435         and FILTER_EXPR like constants.
6436         * gimple.c (walk_gimple_op): Fix val_only initialization, use
6437         is_gimple_reg.
6438         (is_gimple_formal_tmp_rhs): Remove.
6439         (is_gimple_reg_rhs): Remove special casing.
6440         (is_gimple_mem_rhs): Fix.
6441         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
6442         (is_gimple_formal_tmp_var): Remove.
6443         (is_gimple_formal_tmp_reg): Likewise.
6444         (is_gimple_min_lval): Allow invariant component ref parts.
6445         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
6446         is_gimple_formal_tmp_reg): Remove declarations.
6447         * tree-cfg.c (verify_expr): Verify that variables with address
6448         taken do not have DECL_GIMPLE_REG_P set.
6449         * tree-mudflap.c (mf_build_check_statement_for): Use
6450         force_gimple_operand instead of gimplify_expr.
6451
6452 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
6453
6454         * modulo-sched.c (sms_schedule_by_order): Pass the actual
6455         schedulable rows to compute_split_row.
6456
6457 2009-03-31  Ben Elliston  <bje@au.ibm.com>
6458
6459         PR target/31635
6460         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
6461         OPT_mvrsave.
6462
6463 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
6464
6465         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
6466         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
6467         * configure: Regenerate.
6468         * config.in: Regenerate.
6469         * config/rs6000/rs6000.opt (mtls-markers): Add.
6470         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
6471         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
6472         (tls_ld_aix, tls_ld_sysv): Likewise.
6473         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
6474         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
6475
6476 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
6477
6478         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
6479
6480 2009-03-30  Jan Hubicka  <jh@suse.cz>
6481
6482         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
6483         out of RESX.
6484         (tree_remove_unreachable_handlers): Cleanup EH predecestor
6485         detection and label handling.
6486
6487 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6488
6489         * ira-int.h (ira_allocno): Rename left_conflicts_num to
6490         left_conflicts_size.
6491         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
6492         ALLOCNO_LEFT_CONFLICTS_SIZE.
6493
6494         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
6495         remove_allocno_from_bucket_and_push,
6496         allocno_spill_priority_compare, push_allocnos_to_stack,
6497         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
6498         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
6499         (setup_allocno_left_conflicts_num): Ditto.  Rename to
6500         setup_allocno_left_conflicts_size.
6501         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
6502         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
6503         setup_allocno_left_conflicts_size instead of
6504         setup_allocno_left_conflicts_num.
6505
6506         * ira-build.c (ira_create_allocno): Use
6507         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
6508         ALLOCNO_LEFT_CONFLICTS_NUM.
6509
6510 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6511
6512         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
6513         instead of DF_LR_OUT.
6514
6515         * ira-lives.c (process_bb_node_lives): Ditto.
6516
6517         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
6518         instead of DF_LR_{OUT,IN}.
6519
6520         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
6521
6522         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
6523
6524 2009-03-30  Jan Hubicka  <jh@suse.cz>
6525
6526         * except.c (label_to_region_map): Fix thinko.
6527
6528 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
6529
6530         PR middle-end/38237
6531         * tree.h (tree_find_value): New declaration.
6532         * tree.c (tree_find_value): New function.
6533         * varasm.c (assemble_external): Avoid duplicate entries on lists.
6534
6535 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
6536
6537         PR debug/39563
6538         * c-decl.c (struct c_binding): Add locus field.
6539         (bind): Add locus argument, set locus field from it.
6540         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
6541         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
6542         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
6543         implicitly_declare, undeclared_variable, lookup_label,
6544         declare_label, c_make_fname_decl, c_builtin_function,
6545         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
6546         bind callers.
6547
6548 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
6549
6550         PR target/38781
6551         * config/i386/i386.c (classify_argument): Check total size of
6552         structure.
6553
6554 2009-03-30  Martin Jambor  <mjambor@suse.cz>
6555
6556         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
6557         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
6558         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
6559         respectively.
6560
6561         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
6562         seen_variable_array_ref while also traversing a union.
6563
6564         * tree-inline.c (optimize_inline_calls): Do not call
6565         cgraph_node_remove_callees.
6566         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
6567         (pass_remove_cgraph_callee_edges): New variable.
6568         * passes.c (init_optimization_passes): Add
6569         pass_remove_cgraph_callee_edges after early inlining and before all
6570         late intraprocedural passes.
6571
6572         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
6573
6574 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6575
6576         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
6577         Fix typos in names.
6578
6579 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6580
6581         * combine.c (simplify_comparison): Use have_insn_for.
6582         * dojump.c (do_jump): Likewise.
6583
6584 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6585
6586         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
6587         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
6588         sparc_compare_op0 like sparc_compare_emitted used to be handled.
6589         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
6590         instead of sparc_compare_emitted.
6591         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
6592         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
6593         instead of sparc_compare_emitted.
6594
6595 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6596
6597         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
6598         enter/exit cfglayout mode.
6599         (pass_partition_block): Require it.
6600         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
6601         (combine_instructions): Track basic blocks instead of labels.
6602         (update_cfg_for_uncondjump): New.
6603         (try_combine): Use it.  Update jumps after rescanning.
6604         (pass_combine): Require PROP_cfglayout.
6605         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
6606
6607 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6608
6609         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
6610         Provide/destroy PROP_cfglayout respectively.
6611         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
6612         * tree-pass.h (PROP_cfglayout): New.
6613
6614 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6615
6616         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
6617         fold_convert_const_fixed_from_fixed,
6618         fold_convert_const_fixed_from_int,
6619         fold_convert_const_fixed_from_real, fold_negate_const): Do not
6620         set TREE_CONSTANT_OVERFLOW.
6621         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
6622         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
6623
6624 2009-03-30  Ira Rosen  <irar@il.ibm.com>
6625
6626         * tree-vect-loop-manip.c: New file.
6627         * tree-vectorizer.c: Update documentation and included files.
6628         (vect_loop_location): Make extern.
6629         (rename_use_op): Move to tree-vect-loop-manip.c
6630         (rename_variables_in_bb, rename_variables_in_loop,
6631         slpeel_update_phis_for_duplicate_loop,
6632         slpeel_update_phi_nodes_for_guard1,
6633         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
6634         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
6635         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
6636         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
6637         find_loop_location): Likewise.
6638         (new_stmt_vec_info): Move to tree-vect-stmts.c.
6639         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
6640         get_vectype_for_scalar_type, vect_is_simple_use,
6641         supportable_widening_operation, supportable_narrowing_operation):
6642         Likewise.
6643         (bb_in_loop_p): Move to tree-vect-loop.c.
6644         (new_loop_vec_info, destroy_loop_vec_info,
6645         reduction_code_for_scalar_code, report_vect_op,
6646         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
6647         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
6648         (vect_supportable_dr_alignment): Likewise.
6649         * tree-vectorizer.h (tree-data-ref.h): Include.
6650         (vect_loop_location): Declare.
6651         Reorganize function declarations according to the new file structure.
6652         * tree-vect-loop.c: New file.
6653         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
6654         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
6655         * tree-vect-data-refs.c: New file.
6656         * tree-vect-patterns.c (timevar.h): Don't include.
6657         * tree-vect-stmts.c: New file.
6658         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
6659         tree-vect-slp.c, tree-vect-loop.c.
6660         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
6661         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
6662         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
6663         (tree-vect-analyze.o): Remove.
6664         (tree-vect-transform.o): Likewise.
6665         (tree-vect-data-refs.o): Add rule.
6666         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
6667         tree-vect-slp.o): Likewise.
6668         (tree-vect-patterns.o): Remove redundant dependencies.
6669         (tree-vectorizer.o): Likewise.
6670         * tree-vect-slp.c: New file.
6671
6672 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6673
6674         * optc-gen.awk: Warn if an option flag has multiple different
6675         help strings.
6676
6677 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
6678
6679         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
6680         -floop-block): Document dependences on PPL, CLooG and Graphite.
6681
6682 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
6683
6684         PR rtl-optimization/323
6685         * c-common.c (c_fully_fold, convert_and_check,
6686         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
6687         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
6688         * c-common.def (EXCESS_PRECISION_EXPR): New.
6689         * c-cppbuiltin.c (builtin_define_float_constants): Define
6690         constants with enough digits for long double.
6691         * c-lex.c (interpret_float): Interpret constant with excess
6692         precision where appropriate.
6693         * c-opts.c (c_common_post_options): Set
6694         flag_excess_precision_cmdline.  Give an error for
6695         -fexcess-precision=standard for C++ for processors where the
6696         option is significant.
6697         * c-parser.c (c_parser_conditional_expression): Handle excess
6698         precision in condition.
6699         * c-typeck.c (convert_arguments): Handle arguments with excess
6700         precision.
6701         (build_unary_op): Move excess precision outside operation.
6702         (build_conditional_expr): Likewise.
6703         (build_compound_expr): Likewise.
6704         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
6705         (build_modify_expr): Handle excess precision in RHS.
6706         (convert_for_assignment): Handle excess precision in converted
6707         value.
6708         (digest_init, output_init_element, process_init_element): Handle
6709         excess precision in initializer.
6710         (c_finish_return): Handle excess precision in return value.
6711         (build_binary_op): Handle excess precision in operands and add
6712         excess precision as needed for operation.
6713         * common.opt (-fexcess-precision=): New option.
6714         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
6715         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
6716         For standard excess precision, output explicit conversion to and
6717         truncation from XFmode.
6718         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
6719         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
6720         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
6721         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
6722         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
6723         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
6724         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
6725         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
6726         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
6727         define_splits, sqrt<mode>2): Disable where appropriate for
6728         standard excess precision.
6729         * convert.c (convert_to_real): Do not shorten arithmetic to type
6730         for which excess precision would be used.
6731         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
6732         * doc/invoke.texi (-fexcess-precision=): Document option.
6733         (-mfpmath=): Correct index entry.
6734         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
6735         flag_excess_precision): New.
6736         * langhooks.c (lhd_post_options): Set
6737         flag_excess_precision_cmdline.
6738         * opts.c (common_handle_option): Handle -fexcess-precision=.
6739         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
6740         init_excess_precision): New.
6741         (lang_dependent_init_target): Call init_excess_precision.
6742         * tree.c (excess_precision_type): New.
6743         * tree.h (excess_precision_type): Declare.
6744
6745 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
6746
6747         PR c/35235
6748         * c-typeck.c (build_component_ref): Do not copy qualifiers from
6749         non-lvalue to component.
6750
6751 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
6752
6753         PR preprocessor/34695
6754         * Makefile.in (c-opts.o): Depend on c-tree.h.
6755         * c-common.c: Move down include of diagnostic.h.
6756         (done_lexing, c_cpp_error): New.
6757         * c-common.h (done_lexing): Declare.
6758         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
6759         (parse_in).
6760         * c-opts.c: Include c-tree.h.
6761         (c_common_init_options): Set preprocessor error callback.
6762         (c_common_handle_option): Do not set preprocessor
6763         inhibit_warnings, warnings_are_errors, warn_system_headers,
6764         pedantic_errors or inhibit_warnings flags.
6765         (c_common_post_options): Do not check cpp_errors (parse_in).
6766         (c_common_finish): Do not output dependencies if there were
6767         errors.  Do not check return value of cpp_finish.
6768         * c-ppoutput.c (pp_file_change): Set input_location.
6769         * c-tree.h (c_cpp_error): Declare.
6770         * diagnostic.c (diagnostic_set_info_translated): Also initialize
6771         override_column.
6772         (diagnostic_build_prefix): Check override_column.
6773         * diagnostic.h (diagnostic_info): Add override_column field.
6774         (diagnostic_override_column): Define.
6775
6776 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
6777
6778         * c-common.c (c_expand_expr, c_staticp): Remove.
6779         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
6780         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
6781         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
6782         * c-gimplify.c (gimplify_compound_literal_expr,
6783         optimize_compound_literals_in_ctor): Remove.
6784         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
6785         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
6786         * c-semantics.c (emit_local_var): Remove.
6787
6788         * langhooks-def.h (lhd_expand_expr): Remove.
6789         * langhooks.c (lhd_expand_expr): Remove.
6790         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
6791
6792         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
6793         handling from c-semantics.c; don't call into langhook.
6794         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
6795         * gimplify.c (gimplify_compound_literal_expr,
6796         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
6797         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
6798         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
6799         as was done in c-gimplify.c.
6800         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
6801         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
6802         Move from c-common.h.
6803         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
6804
6805         * tree.c (staticp): Do not call langhook.
6806         * langhooks.c (lhd_staticp): Delete.
6807         * langhooks-def.h (lhd_staticp): Delete prototype.
6808         (LANG_HOOKS_STATICP): Delete.
6809         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
6810
6811         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
6812         instead of DECL_STMTs.
6813
6814 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
6815
6816         PR c/456
6817         PR c/5675
6818         PR c/19976
6819         PR c/29116
6820         PR c/31871
6821         PR c/35198
6822         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
6823         void_type_node.
6824         (fold_call_expr): Return a NOP_EXPR from folding rather than the
6825         contained expression.
6826         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
6827         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
6828         conditional expressions for C.
6829         (decl_constant_value_for_optimization): Move from
6830         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
6831         whether optimizing and that the expression is a VAR_DECL not of
6832         array type instead of doing such checks in the caller.  Do not
6833         check pedantic.  Call gcc_unreachable for C++.
6834         * c-common.def (C_MAYBE_CONST_EXPR): New.
6835         * c-common.h (c_fully_fold, c_save_expr,
6836         decl_constant_value_for_optimization): New prototypes.
6837         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
6838         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
6839         EXPR_INT_CONST_OPERANDS): Define.
6840         * c-convert.c (convert): Strip nops from expression.
6841         * c-decl.c (groktypename): Take extra parameters expr and
6842         expr_const_operands.  Update call to grokdeclarator.
6843         (start_decl): Update call to grokdeclarator.  Add statement for
6844         expressions used in type of decl.
6845         (grokparm): Update call to grokdeclarator.
6846         (push_parm_decl): Update call to grokdeclarator.
6847         (build_compound_literal): Add parameter non_const and build a
6848         C_MAYBE_COSNT_EXPR if applicable.
6849         (grokdeclarator): Take extra parameters expr and
6850         expr_const_operands.  Track expressions used in declaration
6851         specifiers and declarators.  Fold array sizes and track whether
6852         they are constant expressions and whether they are integer
6853         constant expressions.
6854         (parser_xref_tag): Set expr and expr_const_operands fields in
6855         return value.
6856         (grokfield): Update call to grokdeclarator.
6857         (start_function): Update call to grokdeclarator.
6858         (build_null_declspecs): Set expr and expr_const_operands fields in
6859         return value.
6860         (declspecs_add_type): Handle expressions in typeof specifiers.
6861         * c-parser.c (c_parser_declspecs): Set expr and
6862         expr_const_operands fields for declaration specifiers.
6863         (c_parser_enum_specifier): Likewise.
6864         (c_parser_struct_or_union_specifier): Likewise.
6865         (c_parser_typeof_specifier): Likewise.  Update call to
6866         groktypename.  Fold expression as needed.  Return expressions with
6867         type instead of adding statements.
6868         (c_parser_attributes): Update calls to c_parser_expr_list.
6869         (c_parser_statement_after_labels): Fold expression before passing
6870         to objc_build_throw_stmt.
6871         (c_parser_condition): Fold expression.
6872         (c_parser_asm_operands): Fold expression.
6873         (c_parser_conditional_expression): Use c_save_expr.  Update call
6874         to build_conditional_expr.
6875         (c_parser_alignof_expression): Update call to groktypename.
6876         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
6877         original_code.  Fold expression argument of va_arg.  Create
6878         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
6879         argument to va_arg.  Update calls to groktypename.  Fold array
6880         index for offsetof.  Verify that first argument to
6881         __builtin_choose_expr has integer type.
6882         (c_parser_postfix_expression_after_paren_type): Update calls to
6883         groktypename and build_compound_literal.  Handle expressions with
6884         side effects in type name.
6885         (c_parser_postfix_expression_after_primary): Update call to
6886         c_parser_expr_list.  Set original_code for calls to
6887         __builtin_constant_p.
6888         (c_parser_expr_list): Take extra parameter fold_p.  Fold
6889         expressions if requested.
6890         (c_parser_objc_type_name): Update call to groktypename.
6891         (c_parser_objc_synchronized_statement): Fold expression.
6892         (c_parser_objc_receiver): Fold expression.
6893         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
6894         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
6895         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
6896         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
6897         (struct c_typespec): Add elements expr and expr_const_operands.
6898         (struct c_declspecs): Add elements expr and expr_const_operands.
6899         (groktypename, build_conditional_expr, build_compound_literal):
6900         Update prototypes.
6901         (in_late_binary_op): Declare.
6902         * c-typeck.c (note_integer_operands): New function.
6903         (in_late_binary_op): New variable.
6904         (decl_constant_value_for_broken_optimization): Move to c-common.c
6905         and rename to decl_constant_value_for_optimization.
6906         (default_function_array_conversion): Do not strip nops.
6907         (default_conversion): Do not call
6908         decl_constant_value_for_broken_optimization.
6909         (build_array_ref): Do not fold result.
6910         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
6911         result when operand is a VLA.
6912         (c_expr_sizeof_type): Update call to groktypename.  Handle
6913         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
6914         result when operand names a VLA type.
6915         (build_function_call): Update call to build_compound_literal.
6916         Only fold result for calls to __builtin_* functions.  Strip
6917         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
6918         the function designator.
6919         (convert_arguments): Fold arguments.  Update call to
6920         convert_for_assignment.
6921         (build_unary_op): Handle increment and decrement of
6922         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
6923         decrement earlier.  Fold operand of increment and decrement.
6924         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
6925         built for integer operand.  Wrap returns that are INTEGER_CSTs
6926         without being integer constant expressions or that have integer
6927         constant operands without being INTEGER_CSTs.
6928         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
6929         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
6930         result is an integer constant expression or can be used in
6931         unevaluated parts of one and avoid folding and wrap as
6932         appropriate.  Fold operands before possibly doing -Wsign-compare
6933         warnings.
6934         (build_compound_expr): Wrap result for C99 if operands can be used
6935         in integer constant expressions.
6936         (build_c_cast): Update call to digest_init.  Do not ignore
6937         overflow from casting floating-point constants to integers.  Wrap
6938         results that could be confused with integer constant expressions,
6939         null pointer constants or floating-point constants.
6940         (c_cast_expr): Update call to groktypename.  Handle expressions
6941         included in type name.
6942         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
6943         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
6944         Update calls to convert_for_assignment.
6945         (convert_for_assignment): Take new parameter
6946         null_pointer_constant.  Do not strip nops or call
6947         decl_constant_value_for_broken_optimization.  Set
6948         in_late_binary_op for conversions to boolean.
6949         (store_init_value): Update call to digest_init.
6950         (digest_init): Take new parameter null_pointer_constant.  Do not
6951         call decl_constant_value_for_broken_optimization.  pedwarn for
6952         initializers not constant expressions.  Update calls to
6953         convert_for_assignment.
6954         (constructor_nonconst): New.
6955         (struct constructor_stack): Add nonconst element.
6956         (really_start_incremental_init, push_init_level, pop_init_level):
6957         Handle constructor_nonconst and nonconst element.
6958         (set_init_index): Call constant_expression_warning for array
6959         designators.
6960         (output_init_element): Fold value.  Set constructor_nonconst as
6961         applicable.  pedwarn for initializers not constant expressions.
6962         Update call to digest_init.  Call constant_expression_warning
6963         where constant initializers are required.
6964         (process_init_element): Use c_save_expr.
6965         (c_finish_goto_ptr): Fold expression.
6966         (c_finish_return): Fold return value.  Update call to
6967         convert_for_assignment.
6968         (c_start_case): Fold switch expression.
6969         (c_process_expr_stmt): Fold expression.
6970         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
6971         ensure statement expression is not evaluated in constant expression.
6972         (build_binary_op): Track whether results are integer constant
6973         expressions or may occur in such, disable folding and wrap results
6974         as applicable.  Fold operands for -Wsign-compare warnings unless
6975         in_late_binary_op.
6976         (c_objc_common_truthvalue_conversion): Handle results folded to
6977         integer constants that are not integer constant expressions.
6978         * doc/extend.texi: Document when typeof operands are evaluated,
6979         that condition of __builtin_choose_expr is an integer constant
6980         expression, and more about use of __builtin_constant_p in
6981         initializers.
6982
6983 2009-03-29  Richard Guenther  <rguenther@suse.de>
6984
6985         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
6986         propagate addresses of array references.
6987
6988 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
6989
6990         * regmove.c (perhaps_ends_bb_p): Remove.
6991         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
6992         from INSN and check that the main loop stays within that basic block.
6993         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
6994         (regmove_forward_pass): Split out from regmove_optimize.  Use
6995         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
6996         (regmove_backward_pass): Split out from regmove_optimize.  Use
6997         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
6998         (regmove_optimize): Simplify.
6999
7000 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
7001
7002         PR target/39545
7003         * config/i386/i386.c (classify_argument): Ignore flexible array
7004         member in struct and warn ABI change.
7005
7006 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
7007
7008         * config/i386/i386-protos.h (ix86_agi_dependent): New.
7009
7010         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
7011         (ix86_adjust_cost): Updated.
7012
7013 2009-03-29  Jan Hubicka  <jh@suse.cz>
7014
7015         PR middle-end/28850
7016         * tree-pass.h (pass_cleanup_eh): New function.
7017         (remove_unreachable_regions): Break code handling RTL
7018         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
7019         that can not be reached by runtime.
7020         (can_be_reached_by_runtime): New function.
7021         (label_to_region_map): New function.
7022         (num_eh_regions): New function.
7023         (rtl_remove_unreachable_regions): New function.
7024         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
7025         (remove_eh_region): New function.
7026         * except.h: Include sbitmap and vecprim.
7027         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
7028         num_eh_regions): Declare.
7029         * passes.c (init_optimization_passes): Schedule cleanup_eh.
7030         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
7031         * tree-eh.c (tree_remove_unreachable_handlers): New function.
7032         (tree_empty_eh_handler_p): New function.
7033         (cleanup_empty_eh): New function.
7034         (cleanup_eh): New function.
7035         (pass_cleanup_eh): New function.
7036
7037 2009-03-29  Jan Hubicka  <jh@suse.cz>
7038
7039         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
7040         for removed regions.
7041
7042 2009-03-29  Jan Hubicka  <jh@suse.cz>
7043
7044         * except.c (dump_eh_tree): Dump all datastructures.
7045
7046 2009-03-29  Jan Hubicka  <jh@suse.cz>
7047
7048         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
7049         (duplicate_eh_regions_1): Likewise.
7050         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
7051         vector; call EH verification.
7052         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
7053         Be ready for region being removed.
7054
7055 2009-03-29  Jan Hubicka  <jh@suse.cz>
7056
7057         * bitmap.c (bitmap_last_set_bit): New function.
7058         * bitmap.h (bitmap_last_set_bit): Declare.
7059
7060 2009-03-29  David Ayers  <ayers@fsfe.org>
7061
7062         PR objc/27377
7063         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
7064         by calling objc_compare_types and surpress warnings about
7065         incompatible C pointers that are compatible ObjC pointers.
7066
7067 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
7068
7069         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
7070         call initialize_inline_failed.
7071         (initialize_inline_failed): Move it from here ...
7072         * cgraph.c (initialize_inline_failed): ... to here.
7073         (cgraph_create_edge): Call initialize_inline_failed rather than
7074         setting inline_failed directly.
7075
7076 2009-03-29  Ben Elliston  <bje@au.ibm.com>
7077
7078         PR target/32542
7079         * sysv4.opt (msdata): Improve comment.
7080         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
7081         * sysv4.h (SVR4_ASM_SPEC): Likewise.
7082
7083 2009-03-29  Ben Elliston  <bje@au.ibm.com>
7084
7085         PR target/30451
7086         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
7087         load and store attributes.
7088
7089 2009-03-29  Ben Elliston  <bje@au.ibm.com>
7090
7091         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
7092         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
7093         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
7094         * doc/extend.texi (X86 Built-in Functions): Add index entries for
7095         __builtin_infq and __builtin_huge_valq.
7096
7097 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
7098
7099         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
7100         atmega8m1 devices.
7101         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7102         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
7103
7104 2009-03-28  Xinliang David Li  <davidxl@google.com>
7105
7106         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
7107         (do_dbg_cnt): New function.
7108
7109 2009-03-28  Jan Hubicka  <jh@suse.cz>
7110
7111         Merge from pretty-ipa:
7112
7113         2009-03-27  Jan Hubicka  <jh@suse.cz>
7114
7115         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
7116         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
7117         * passes.c (function_called_by_processed_nodes_p): New.
7118         * ipa-pure-const.c (check_call): Fix handling of operands.
7119         (analyze_function): Dump debug output for skipped bodies.
7120         (local_pure_const): Use function_called_by_processed_nodes_p.
7121         * dwarf2out.c (reference_to_unused): Use output.
7122         * passes.c (do_per_function_toporder): Likewise.
7123
7124         2008-11-12  Jan Hubicka  <jh@suse.cz>
7125
7126         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
7127         * ipa-pure-const.c (funct_state_d): Add can throw field; make
7128         state_set_in_source enum
7129         (check_decl): Ignore memory tags; do not set fake looping flags;
7130         dump diagnostics.
7131         (check_operand, check_tree, check_rhs_var, check_lhs_var,
7132         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
7133         (check_call, analyze_function): Rewrite.
7134         (check_stmt): New.
7135         (add_new_function): Update call of analyze_function.
7136         (generate_summary): Add call of analyze_function.
7137         (propagate): Propagate can_throw; handle state_set_in_source correctly.
7138         (local_pure_const): New function.
7139         (pass_local_pure_const): New pass.
7140         * ipa-inline.c (inline_transform): Set after_inlining.
7141         * tree-eh.c (stmt_can_throw_external): New.
7142         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
7143         work with aliasing built.
7144         * tree-flow.h (stmt_can_throw_external): New.
7145         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
7146         and local pure/const pass in early and late optimization queue.
7147
7148 2009-03-28  Martin Jambor  <mjambor@suse.cz>
7149
7150         * fold-const.c (get_pointer_modulus_and_residue): New parameter
7151         allow_func_align.
7152         (fold_binary): Allow function decl aligment consideration is the
7153         second argument is integer constant one.
7154         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
7155         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
7156         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
7157
7158 2009-03-28  Jan Hubicka  <jh@suse.cz>
7159
7160         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
7161         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
7162         * function.h (rtl_data): Add nothrow flag.
7163         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
7164         set DECL_NOTHROW for AVAILABLE functions.
7165
7166 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
7167
7168         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
7169         following vector keyword has expansion starting with pixel or bool
7170         keyword, expand vector to __vector and pixel or bool to __pixel or
7171         __bool.
7172
7173         PR c++/39554
7174         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
7175         warn_if_disallowed_function_p): Removed.
7176         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
7177         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
7178         warning_if_disallowed_function_p.
7179         * flags.h (warn_if_disallowed_function_p,
7180         warn_disallowed_functions): Removed.
7181         * common.opt (Wdisallowed-function-list=): Removed.
7182         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
7183
7184 2009-03-28  Richard Guenther  <rguenther@suse.de>
7185
7186         PR tree-optimization/38723
7187         * tree-ssa-pre.c (compute_avail): Add all default definitions to
7188         the entry block.
7189
7190 2009-03-28  Jan Hubicka  <jh@suse.cz>
7191
7192         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
7193         test introduced by my previous patch.
7194
7195 2009-03-28  Richard Guenther  <rguenther@suse.de>
7196
7197         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
7198         the PHIs value undefined.
7199
7200 2009-03-28  Jan Hubicka  <jh@suse.cz>
7201
7202         * tree-pass.h (pass_fixup_cfg): New pass.
7203         * ipa-inline.c (inline_transform): Set
7204         always_inline_functions_inlined/after_inlining.
7205         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
7206         (pass_fixup_cfg): New pass.
7207         * passes.c (init_optimization_passes): Add fixup_cfg.
7208
7209 2009-03-28  Richard Guenther  <rguenther@suse.de>
7210
7211         PR tree-optimization/38458
7212         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
7213         argument use the arguments copy-of value.
7214
7215 2009-03-28  Richard Guenther  <rguenther@suse.de>
7216
7217         PR tree-optimization/38180
7218         * tree-ssa-ccp.c (get_default_value): Simplify.
7219         (likely_value): Likewise.
7220         (surely_varying_stmt_p): Properly handle VOP case.
7221         (ccp_initialize): Likewise.
7222         (ccp_fold): Handle propagating through *&.
7223         (fold_const_aggregate_ref): Also handle decls.
7224
7225 2009-03-28  Jan Hubicka  <jh@suse.cz>
7226
7227         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
7228         * cgraph.h (cgraph_node): Likewise.
7229         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
7230         (cgraph_reset_node): Use process flag.
7231         (cgraph_mark_functions_to_output): Likewise.
7232         (cgraph_expand_function): Likewise.
7233         (cgraph_expand_all_functions): Likewise.
7234         (cgraph_output_in_order): Likewise.
7235         * dwarf2out.c (reference_to_unused): Likewise.
7236         * passes.c do_per_function_toporder): Likewise.
7237
7238 2009-03-28  Jan Hubicka  <jh@suse.cz>
7239
7240         Bring from lto-branch:
7241
7242         2008-09-03  Doug Kwan  <dougkwan@google.com>
7243
7244         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
7245         enums instead of reason strings.
7246         * cgraph.c (cgraph_create_edge): Same.
7247         (cgraph_inline_failed_string): New function.
7248         * cgraph.h (cgraph_inline_failed_t): New enum type.
7249         (cgraph_inline_failed_string): New prototype.
7250         (struct cgraph_edge): Change type of INLINED_FAILED from constant
7251         char pointer to cgraph_inline_failed_t.
7252         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
7253         (cgraph_default_inline_p): Ditto.
7254         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
7255         to cgraph_inline_failed_t pointer.
7256         * cif-code.def: New file.
7257         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
7258         reason string.
7259         (cgraph_check_inline_limits): Change type of REASON to pointer to
7260         cgraph_inline_failed_t.  Replace reason strings with enums.
7261         (cgraph_default_inline_p): Ditto.
7262         (cgraph_recursive_inlining_p): Ditto.
7263         (update_caller_keys): Change type of FAILED_REASON to
7264         cgraph_inline_failed_t.
7265         (cgraph_set_inline_failed): Change type of REASON to pointer to
7266         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
7267         convert enums to strings for text output.
7268         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
7269         to be of type cgraph_inline_failed_t.  Replace reason strings with
7270         enums.  Call cgraph_inline_failed_string to covert enums
7271         to strings for text output.
7272         (cgraph_decide_inlining): Replace reason strings with enums.
7273         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
7274         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
7275         for text output.
7276         * tree-inline.c (expand_call_inline): Change type of REASON
7277         to cgraph_inline_failed_t.  Replace reason strings with enums.
7278         Call cgraph_inline_failed_string for text output.
7279         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
7280         (cgraph.o): Ditto.
7281
7282 2009-03-28  Jan Hubicka  <jh@suse.cz>
7283
7284         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
7285         cgraph_clone_node): Remove master clone handling.
7286         (cgraph_is_master_clone, cgraph_master_clone): Remove.
7287         * cgraph.h (master_clone): Remove.
7288         (cgraph_is_master_clone, cgraph_master_clone): Remove.
7289         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
7290         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
7291
7292 2009-03-28  Jan Hubicka  <jh@suse.cz>
7293
7294         * cgraph.c (cgraph_function_body_availability): Functions declared
7295         inline are always safe to assume that it is not going to be replaced.
7296
7297 2009-03-28  Richard Guenther  <rguenther@suse.de>
7298
7299         PR tree-optimization/38513
7300         * tree-ssa-pre.c (eliminate): Remove redundant stores.
7301         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
7302         EXC_PTR_EXPR and FILTER_EXPR.
7303         (get_ref_from_reference_ops): Likewise.
7304
7305 2009-03-28  Richard Guenther  <rguenther@suse.de>
7306
7307         PR tree-optimization/38968
7308         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
7309         Use FLOOR_MOD_EXPR to compute misalignment.
7310
7311 2009-03-28  Richard Guenther  <rguenther@suse.de>
7312
7313         PR tree-optimization/37795
7314         * tree.h (combine_comparisons): Declare.
7315         * fold-const.c (combine_comparisons): Export.
7316         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
7317         comparisons.
7318         (ifcombine_iforif): Use combine_comparisons.
7319
7320 2009-03-28  Jan Hubicka  <jh@suse.cz>
7321
7322         * tree-eh.c (inlinable_call_p): New function.
7323         (make_eh_edges): Use it.
7324         (verify_eh_edges): Use it.
7325         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
7326         * except.c (reachable_next_level): Add inlinable_function argument
7327         (sjlj_find_directly_reachable_regions): Update.
7328         (add_reachable_handler): Do not set saw_any_handlers.
7329         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
7330         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
7331         Add new inlinable call parameter.
7332         (can_throw_internal, can_throw_external): Update.
7333         * except.h (can_throw_internal_1, can_throw_external_1,
7334         foreach_reachable_handler): Update declaration.
7335
7336 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
7337
7338         * config/arm/t-arm-coff, config/h8300/coff.h,
7339         config/i386/i386-aout.h, config/i386/i386-coff.h,
7340         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
7341         config/pdp11/2bsd.h, config/rs6000/aix41.h,
7342         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
7343         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
7344         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
7345         sys-types.h: Remove.
7346         * Makefile.in: Remove protoize and fixproto support and references
7347         in comments.
7348         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
7349         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
7350         Remove.
7351         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
7352         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
7353         unprotoize$(exeext).
7354         (rest.encap): Don't depend on $(STMP_FIXPROTO)
7355         (.PHONY): Don't depend on proto.
7356         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
7357         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
7358         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
7359         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
7360         build/gen-protos.o, build/scan.o, xsys-protos.h,
7361         build/fix-header$(build_exeext), build/fix-header.o,
7362         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
7363         stmp-install-fixproto): Remove.
7364         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
7365         SYSCALLS.c or fixproto files.
7366         (install-common): Don't install protoize.
7367         (install-headers-tar, install-headers-cpio, install-headers-cp):
7368         Don't depend on $(STMP_FIXPROTO).
7369         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
7370         install fixproto files or write out fixproto settings.
7371         (uninstall): Don't uninstall protoize.
7372         * config.gcc (use_fixproto): Remove.
7373         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
7374         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
7375         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
7376         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
7377         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
7378         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
7379         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
7380         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
7381         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
7382         * config/t-vxworks (STMP_FIXPROTO): Remove.
7383         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
7384         STMP_FIXPROTO): Remove.
7385         * config.in, configure: Regenerate.
7386         * crtstuff.c (gid_t, uid_t): Don't undefine.
7387         * doc/install.texi: Change m68k-coff to m68k-elf in example.
7388         (arm-*-coff, arm-*-aout: Remove target entries.
7389         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
7390         Remove mention of AIX 4.1.
7391         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
7392         * doc/invoke.texi (Running Protoize): Remove.
7393         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
7394         (Protoize Caveats): Remove.
7395         * tsystem.h: Update comments on headers assumed to exist.
7396
7397 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
7398
7399         * genautomata.c: Add a new year to the copyright.  Add a new
7400         reference.
7401         (struct insn_reserv_decl): Add comments for member bypass_list.
7402         (find_bypass): Remove.
7403         (insert_bypass): New.
7404         (process_decls): Use insert_bypass.
7405         (output_internal_insn_latency_func): Output all bypasses with the
7406         same input insn in one switch case.
7407
7408         * rtl.def (define_bypass): Describe bypass choice.
7409         * doc/md.texi (define_bypass): Ditto.
7410
7411 2009-03-27  Richard Guenther  <rguenther@suse.de>
7412
7413         * gimplify.c (mark_addressable): Export.
7414         * tree-flow.h (mark_addressable): Declare.
7415         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
7416         * tree-ssa.c (verify_phi_args): Verify that address taken
7417         variables have TREE_ADDRESSABLE set.
7418
7419 2009-03-27  Richard Guenther  <rguenther@suse.de>
7420
7421         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
7422         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
7423         Do not mark decls TREE_ADDRESSABLE.
7424         (build_fold_addr_expr): Adjust.
7425         (fold_addr_expr): Remove.
7426         (fold_unary): Use build_fold_addr_expr.
7427         (fold_comparison): Likewise.
7428         (split_address_to_core_and_offset): Likewise.
7429         * coverage.c (tree_coverage_counter_addr): Mark the array decl
7430         TREE_ADDRESSABLE.
7431         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
7432         (gimplify_modify_expr_to_memcpy): Mark source and destination
7433         addressable.
7434         * omp-low.c (create_omp_child_function): Mark the object decl
7435         TREE_ADDRESSABLE.
7436         (lower_rec_input_clauses): Mark the var we take the address of
7437         TREE_ADDRESSABLE.
7438         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
7439
7440 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7441
7442         PR middle-end/39315
7443         * cfgexpand.c (expand_one_stack_var_at): Change alignment
7444         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
7445
7446 2009-03-27  Richard Guenther  <rguenther@suse.de>
7447
7448         PR tree-optimization/39120
7449         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
7450         constraints.
7451         (handle_lhs_call): Process return constraints.  Add escape
7452         constraints if necessary.
7453         (handle_const_call): Fill out return constraints.  Make nested
7454         case more precise.  Avoid consttmp if possible.
7455         (handle_pure_call): Fill out return constraints.  Avoid
7456         callused if possible.
7457         (find_func_aliases): Simplify call handling.
7458
7459 2009-03-27  Richard Guenther  <rguenther@suse.de>
7460
7461         PR tree-optimization/39120
7462         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
7463         as a representative.
7464         (solve_graph): Do propagate CALLUSED.
7465         (handle_pure_call): Use a scalar constraint from CALLUSED for
7466         the return value.
7467         (find_what_p_points_to): CALLUSED shall not appear in poins-to
7468         solutions.
7469
7470 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7471
7472         PR c/39323
7473         * c-common.c (handle_aligned_attribute): Properly check alignment
7474         overflow.  Use (1U << i) instead of (1 << i).
7475
7476         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
7477
7478         * expr.h (get_mem_align_offset): Updated.
7479
7480         * tree.h (tree_decl_common): Change align to "unsigned int" and
7481         move it before pointer_alias_set.
7482
7483 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7484             Jakub Jelinek  <jakub@redhat.com>
7485
7486         PR target/38034
7487         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
7488         gr_register_operand with gr_reg_or_0_operand.
7489         (cmpxchg_rel_di): Likewise.
7490         (sync_lock_test_and_set<mode>): Likewise.
7491
7492 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7493
7494         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
7495         (true_regnum): Likewise.
7496
7497         * rtlanal.c (subreg_info): Moved to ...
7498         * rtl.h (subreg_info): Here.  New.
7499         (subreg_get_info): New.
7500
7501         * rtlanal.c (subreg_get_info): Make it extern.
7502
7503 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7504
7505         PR target/39472
7506         * config/i386/i386.c (ix86_abi): New.
7507         (override_options): Handle -mabi=.
7508         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
7509         (ix86_call_abi_override): Likewise.
7510         (init_cumulative_args): Likewise.
7511         (function_arg_advance): Likewise.
7512         (function_arg_64): Likewise.
7513         (function_arg): Likewise.
7514         (ix86_pass_by_reference): Likewise.
7515         (ix86_function_value_regno_p): Likewise.
7516         (ix86_build_builtin_va_list_abi): Likewise.
7517         (setup_incoming_varargs_64): Likewise.
7518         (is_va_list_char_pointer): Likewise.
7519         (ix86_init_machine_status): Likewise.
7520         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
7521         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
7522         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
7523         (ix86_function_abi): Make it static and return enum calling_abi.
7524         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
7525         with ix86_abi.
7526         (ix86_fn_abi_va_list): Updated.
7527
7528         * config/i386/i386.h (ix86_abi): New.
7529         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
7530         (CONDITIONAL_REGISTER_USAGE): Likewise.
7531         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
7532         (machine_function): Likewise.
7533
7534         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
7535         with ix86_abi.
7536         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
7537         (STACK_BOUNDARY): Likewise.
7538         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
7539
7540         * config/i386/i386.opt (mabi=): New.
7541
7542         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
7543         return enum calling_abi.
7544         (ix86_function_type_abi): Likewise.
7545         (ix86_function_abi): Removed.
7546
7547         * doc/invoke.texi: Document -mabi= option for x86.
7548
7549 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7550
7551         * builtins.c (real_dconstp): Delete.
7552         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
7553
7554 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
7555             Jakub Jelinek  <jakub@redhat.com>
7556
7557         PR debug/37959
7558         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
7559         (gen_subprogram_die): When a function is explicit, generate the
7560         DW_AT_explicit attribute.
7561         * langhooks.h (struct lang_hooks_for_decls): Add
7562         function_decl_explicit_p langhook.
7563         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
7564         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
7565
7566 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
7567
7568         * builtins.c (fold_builtin_memory_op): Optimize memmove
7569         into memcpy if we can prove source and destination don't overlap.
7570
7571         * tree-inline.c: Include gt-tree-inline.h.
7572         (clone_fn_id_num): New variable.
7573         (clone_function_name): New function.
7574         (tree_function_versioning): Use it.
7575         * Makefile.in (GTFILES): Add tree-inline.c.
7576
7577 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
7578
7579         * BASE-VER: Change to 4.5.0.
7580
7581 2009-03-27  Xinliang David Li  <davidxl@google.com>
7582
7583         PR tree-optimization/39557
7584         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
7585
7586 2009-03-27  Xinliang David Li  <davidxl@google.com>
7587
7588         PR tree-optimization/39548
7589         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
7590         candidate check.
7591
7592 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7593
7594         * c-common.c (pointer_int_sum): Use %wd on return from
7595         tree_low_cst.
7596
7597 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7598
7599         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
7600         on return from tree_low_cst.
7601
7602 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7603
7604         PR c++/36799
7605         * ginclude/stdarg.h (va_copy): Define also for
7606         __GXX_EXPERIMENTAL_CXX0X__.
7607
7608 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7609
7610         PR c++/35652
7611         * builtins.h (c_strlen): Do not warn here.
7612         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
7613         * c-common.c (pointer_int_sum): Take an explicit location.
7614         Warn about offsets out of bounds.
7615         * c-common.h (pointer_int_sum): Adjust declaration.
7616
7617 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7618
7619         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
7620         markup glitch.
7621
7622 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
7623
7624         PR c++/39554
7625         * opts.c (warn_if_disallowed_function_p): Don't assume
7626         get_callee_fndecl must return non-NULL.
7627
7628 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
7629
7630         PR rtl-optimization/39522
7631         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
7632         when reg_reloaded_valid is set.
7633
7634 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7635
7636         * config/spu/divv2df3.c: New file.
7637         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
7638         (DPBIT_FUNCS): Filter out _div_df.
7639
7640 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
7641
7642         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
7643         a jump insn, count that jump in the distance to the loop start.
7644
7645 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
7646
7647         PR target/39523
7648         * config/sh/sh.c (calc_live_regs): Fix condition for global
7649         registers except PIC_OFFSET_TABLE_REGNUM.
7650
7651 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
7652
7653         PR/39518
7654         * doc/invoke.texi (-mconsole): New.
7655         (-mcygwin): New.
7656         (-mno-cygwin): New.
7657         (-mdll): New.
7658         (-mnop-fun-dllimport): New.
7659         (-mthread): New.
7660         (-mwin32): New.
7661         (-mwindows): New.
7662         (sub section "i386 and x86-64 Windows Options"): New.
7663
7664 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
7665
7666         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
7667         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
7668
7669 2009-03-25  Richard Guenther  <rguenther@suse.de>
7670
7671         PR middle-end/39497
7672         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
7673         of -Wno-error.
7674
7675 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
7676
7677         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
7678         neither of haifa/selective schedulers are working.
7679
7680 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7681
7682         * doc/invoke.texi (Debugging Options): Fix description of
7683         -fno-merge-debug-strings.
7684
7685 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
7686
7687         * config/cris/libgcc.ver: New version-script.
7688         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
7689
7690         * configure.ac <GAS features, nop mnemonic>: Add pattern
7691         crisv32-*-* for "nop".
7692         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
7693         * configure: Regenerate.
7694
7695 2009-03-24  Ira Rosen  <irar@il.ibm.com>
7696
7697         PR tree-optimization/39529
7698         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
7699         mark_sym_for_renaming for the tag copied to the new vector
7700         pointer.
7701
7702 2009-03-24  Arthur Loiret  <aloiret@debian.org>
7703
7704         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
7705         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
7706         EXTRA_SPEC_FUNCTIONS.
7707         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
7708         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
7709         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
7710         -march and -mtune options.
7711
7712 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
7713
7714         * config/m68k/t-rtems: Add m5329 multilib.
7715
7716 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
7717             Jakub Jelinek  <jakub@redhat.com>
7718
7719         PR debug/39524
7720         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
7721         nodes.
7722
7723 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
7724
7725         PR c/39495
7726         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
7727         instead of c_parser_expression_conv, if original_code isn't one of the
7728         4 allowed comparison codes, fail.
7729
7730 2009-03-23  Richard Guenther  <rguenther@suse.de>
7731
7732         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
7733         * tree.h (struct tree_type): Likewise.
7734         * reload.h (struct insn_chain): Likewise.
7735         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
7736         * function.h (struct function): Likewise.
7737         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
7738
7739 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
7740
7741         PR tree-optimization/39516
7742         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
7743
7744 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
7745
7746         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
7747         should be set true if BITS_PER_WORD of target is bigger than 32
7748
7749 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
7750
7751         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
7752         Translate -B-options to -rpath-link.  Correct existing
7753         rpath-link and conditionalize on !nostdlib.
7754
7755 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7756
7757         * doc/extend.texi (Function Attributes, Variable Attributes):
7758         Fix typos.
7759         * doc/invoke.texi (Debugging Options, Optimize Options)
7760         (i386 and x86-64 Options, MCore Options): Likewise.
7761
7762 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
7763
7764         PR debug/37890
7765         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
7766         it for block local namespace aliases.
7767         (gen_decl_die): Pass context_die to gen_namespace_die.
7768
7769 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
7770
7771         PR c/39495
7772         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
7773         minimum or maximum value.
7774
7775 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
7776
7777         * reginfo.c (globalize_reg): Recompute derived reg sets.
7778
7779 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
7780
7781         PR target/39063
7782         * libgcc2.c (mprotect): Do not use signed arguments for
7783         VirtualProtect, use DWORD arguments.  Also fix the 'may
7784         be used uninitialized' warning for the np variable.
7785
7786 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
7787
7788         PR target/39496
7789         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
7790         functions using regparm calling conventions when not optimizing.
7791         (ix86_function_sseregparm): Similarly for sseregparm calling
7792         conventions.
7793
7794 2009-03-19  Li Feng  <nemokingdom@gmail.com>
7795
7796         PR middle-end/39500
7797         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
7798         dependence if the first conflict is after niter iterations.
7799
7800 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
7801
7802         PR middle-end/38609
7803         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
7804         functions with dynamic stack-pointer adjustments.
7805
7806 2009-03-19  Ben Elliston  <bje@au.ibm.com>
7807
7808         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
7809         option; change to -msdata=data.
7810
7811 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7812
7813         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
7814         and -fopenmp.
7815
7816 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
7817
7818         PR target/35180
7819         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
7820
7821 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
7822
7823         * doc/invoke.texi (Code Gen Options): Expand discussion of
7824         -fno-common.
7825
7826 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
7827
7828         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
7829         * matrix-reorg.c (struct matrix_info): Likewise.
7830         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
7831         * rtl.h (struct mem_attrs): Likewise.
7832         * df.h (struct df): Likewise.
7833         * tree-data-ref.h (struct data_dependence_relation): Likewise.
7834         * ira-int.h (struct ira_allocno): Likewise.
7835         * df-scan.c (struct df_collection_rec): Likewise.
7836         * ira.c (struct equivalence): Likewise.
7837         * function.c (struct temp_slot): Likewise.
7838         * cfgloop.h (struct loop): Likewise.
7839
7840         PR debug/39485
7841         * function.c (use_register_for_decl): When not optimizing, disregard
7842         register keyword for variables with types containing methods.
7843
7844 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
7845
7846         PR middle-end/39447
7847         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
7848         (is_simple_operand): Call contains_component_ref_p before calling data
7849         reference analysis that would fail on COMPONENT_REFs.
7850
7851         * tree-vrp.c (search_for_addr_array): Fix formatting.
7852
7853 2009-03-18  Richard Guenther  <rguenther@suse.de>
7854
7855         * tree-vect-transform.c (vect_loop_versioning): Fold the
7856         generated comparisons.
7857         * tree-vectorizer.c (set_prologue_iterations): Likewise.
7858         (slpeel_tree_peel_loop_to_edge): Likewise.
7859
7860 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7861
7862         PR middle-end/37805
7863         * opts.c (print_specific_help): In addition to `undocumented',
7864         accept `separate' and `joined' flags if passed alone.  Describe
7865         output by the first matched one of those.
7866         (common_handle_option): Skip over empty strings.
7867         * gcc.c (display_help): Fix help string for `--help='.
7868         * doc/invoke.texi (Option Summary, Overall Options): With
7869         `--help=', classes and qualifiers can both be repeated, but
7870         only the latter can be negated.  One should not pass only
7871         negated qualifiers.  Fix markup and examples.
7872
7873         Revert
7874         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
7875         PR middle-end/37805
7876         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
7877         and -fhelp=separate.
7878
7879 2009-03-17  Jing Yu  <jingyu@google.com>
7880
7881         PR middle-end/39378
7882         * function.h (struct rtl_data): Move is_thunk from here...
7883         (struct function): ...to here.
7884         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
7885         * varasm.c (assemble_start_function): Change is_thunk from crtl to
7886         cfun.
7887         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
7888         cfun.
7889         (alpha_does_function_need_gp, alpha_start_function): Likewise.
7890         (alpha_output_function_end_prologue): Likewise.
7891         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
7892         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
7893         (rs6000_output_function_epilogue): Likewise.
7894         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
7895
7896 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
7897
7898         PR target/39482
7899         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
7900         from different units in a single alternative.
7901         (*truncdfsf_i387): Ditto.
7902         (*truncxfsf2_mixed): Ditto.
7903         (*truncxfdf2_mixed): Ditto.
7904
7905 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
7906
7907         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
7908         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
7909
7910         PR debug/39474
7911         * tree-ssa-live.c (remove_unused_locals): Don't remove local
7912         unused non-artificial variables when not optimizing.
7913
7914         PR debug/39471
7915         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
7916         DW_TAG_imported_module even if decl is IMPORTED_DECL with
7917         NAMESPACE_DECL in its DECL_INITIAL.
7918
7919         PR middle-end/39443
7920         * optabs.c (set_user_assembler_libfunc): New function.
7921         * expr.h (set_user_assembler_libfunc): New prototype.
7922         * c-common.c: Include libfuncs.h.
7923         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
7924         for memcmp, memset, memcpy, memmove and abort.
7925         * Makefile.in (c-common.o): Depend on libfuncs.h.
7926
7927         PR debug/39412
7928         * dwarf2out.c (gen_inlined_enumeration_type_die,
7929         gen_inlined_structure_type_die, gen_inlined_union_type_die,
7930         gen_tagged_type_instantiation_die): Removed.
7931         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
7932         do nothing.
7933
7934 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
7935
7936         PR testsuite/38526
7937         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
7938         its use.
7939         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
7940         (check-parallel-%): Ditto.
7941         (check-consistency): Ditto.
7942
7943 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
7944
7945         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
7946         local variable rhs by NULL_TREE.
7947
7948 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7949
7950         PR target/39477
7951         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
7952
7953 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7954
7955         PR target/39476
7956         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
7957
7958 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7959
7960         PR target/39473
7961         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
7962         for ms->sysv ABI calls only in 64bit mode.
7963
7964         * config/i386/i386.md (untyped_call): Support 32bit.
7965
7966 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
7967
7968         * doc/extend.texi: Replace x86_65 with x86_64.
7969
7970 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
7971
7972         PR tree-optimization/39455
7973         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
7974         mismatches for POINTER_TYPE_P (type).
7975         (number_of_iterations_le): Likewise.
7976
7977 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
7978
7979         * config/picochip/picochip.c: Removed profiling support.
7980         * config/picochip/picochip.md: Removed profiling instruction.
7981         * config/picochip/picochip.h: Removed profiling builtin.
7982
7983 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
7984
7985         * doc/install.texi (--with-host-libstdcxx): Document.
7986
7987 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
7988
7989         PR target/34299
7990         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
7991         generate a warning if the function name does not begin with
7992         "__vector" and the function has either the 'signal' or 'interrupt'
7993         attribute, from here to ...
7994         (avr_declare_function_name): ...here. New function.
7995         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
7996         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
7997
7998 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
7999
8000         PR bootstrap/39454
8001         * cse.c (fold_rtx): Don't modify original const_arg1 when
8002         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
8003         separate variable instead.
8004         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
8005         from out of range shift counts.
8006         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
8007
8008 2009-03-13  Catherine Moore  <clm@codesourcery.com>
8009
8010         * config/i386/x-mingw32 (host-mingw32.o): Replace
8011         diagnostic.h with $(DIAGNOSTIC_H).
8012
8013 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
8014
8015         PR target/39431
8016         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
8017         predicate.
8018         * config/i386/sync.md (sync_compare_and_swap<mode>,
8019         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
8020         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
8021         into a register.
8022         (sync_double_compare_and_swapdi_pic,
8023         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
8024         cmpxchg8b_pic_memory_operand instead of just memory_operand.
8025
8026 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8027
8028         PR target/39445
8029         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
8030
8031 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8032
8033         PR target/39327
8034         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
8035         (avx_addsubv4df3): Likewise.
8036         (*avx_addsubv4sf3): Likewise.
8037         (sse3_addsubv4sf3): Likewise.
8038
8039 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8040
8041         PR target/38824
8042         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
8043
8044 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
8045
8046         PR debug/39432
8047         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
8048         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
8049         registers for allocnos created from user-defined variables.
8050
8051 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8052
8053         PR target/39181
8054         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
8055         of non-integer mode as well.
8056
8057 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
8058
8059         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
8060         for functions for which the parameter types are unknown.
8061
8062 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
8063
8064         PR target/39137
8065         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
8066         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
8067         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
8068         * config/i386/i386.c (ix86_local_alignment): For
8069         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
8070         long long variables on the stack to avoid dynamic realignment.
8071         Allow the first argument to be a decl rather than type.
8072         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
8073
8074 2009-03-11  Nick Clifton  <nickc@redhat.com>
8075
8076         PR target/5362
8077         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
8078         options.
8079         Add description to mno-lsim option.
8080         * config/mcore/mcore.h: Remove comment about deprecated m4align
8081         option.
8082         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
8083         * doc/invoke.texi: Add description of mno-lsim and
8084         mstack-increment options.
8085
8086         * config/fr30/fr30.opt: Document the -mno-lsim option.
8087         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
8088         and -mno-lsim options.
8089
8090 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8091
8092         * fold-const.c (fold_comparison): Only call fold_inf_compare
8093         if the mode supports infinities.
8094
8095 2009-03-11  Jason Merrill  <jason@redhat.com>
8096
8097         PR debug/39086
8098         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
8099         end already did.  Notice GIMPLE_CALL modifications of the result.
8100         Don't copy debug information from an ignored decl or a decl from
8101         another function.
8102
8103 2009-03-10  Richard Guenther  <rguenther@suse.de>
8104             Nathan Froyd  <froydnj@codesourcery.com>
8105
8106         PR middle-end/37850
8107         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
8108         (__divMODE3): Likewise.
8109
8110 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
8111
8112         PR tree-optimization/39394
8113         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
8114         DECL_SIZE_UNIT of variable length FIELD_DECLs.
8115
8116 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
8117
8118         * recog.c (verfiy_changes): Disallow renaming of hard regs in
8119         inline asms for register asm ("") declarations.
8120
8121 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
8122
8123         * fold-const.c (fold_unary): Fix comment.
8124
8125 2009-03-07  Jan Hubicka  <jh@suse.cz>
8126
8127         PR target/39361
8128         * tree-inline.c (setup_one_parameter): Do replacement of const
8129         argument by constant in SSA form.
8130
8131 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8132
8133         PR middle-end/38028
8134         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
8135         determine alignment passed to assign_stack_local.
8136         (assign_parms_unsplit_complex): Likewise.
8137         * except.c (sjlj_build_landing_pads): Likewise.
8138
8139 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
8140
8141         PR middle-end/39360
8142         * tree-flow.h (add_referenced_var): Return bool instead of void.
8143         * tree-dfa.c (add_referenced_var): Return result of
8144         referenced_var_check_and_insert call.
8145         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
8146         of referenced_var_check_and_insert.
8147
8148         PR debug/39372
8149         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
8150         (gen_variable_die): Emit DW_AT_location on abstract static variable's
8151         DIE, don't emit it if abstract origin already has it.
8152         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
8153         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
8154
8155 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
8156
8157         * genpreds.c (needs_variable): Fix parentheses at variable name
8158         detection.
8159         (write_tm_constrs_h): Indent generated code.
8160
8161 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8162
8163         * doc/extend.texi (Function Attributes): Add documentation
8164         for isr attributes.
8165
8166 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
8167
8168         PR debug/39387
8169         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
8170         take locus from its DECL_SOURCE_LOCATION instead of input_location.
8171
8172 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
8173
8174         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
8175         the loop as bad.
8176
8177 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
8178
8179         PR debug/39379
8180         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
8181         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
8182
8183 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
8184
8185         * config/i386/i386.md (R8_REG, R9_REG): New constants.
8186         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
8187         constants instead of magic numbers.
8188         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
8189         (QI_REG_P): Ditto.
8190         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
8191         (x86_64_ms_abi_int_parameter_registers): Ditto.
8192         (x86_64_int_return_registers): Ditto.
8193         (ix86_maybe_switch_abi): Ditto.
8194         (ix86_expand_call): Ditto for clobbered_registers array.
8195         (ix86_hard_regno_mode_ok): Ditto.
8196         (x86_extended_QIreg_mentioned_p): Ditto.
8197
8198 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
8199
8200         PR tree-optimization/39349
8201         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
8202
8203         * combine.c (gen_lowpart_for_combine): Use omode when generating
8204         clobber.
8205
8206 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
8207
8208         PR rtl-optimization/39235
8209         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
8210
8211 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
8212
8213         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
8214
8215 2009-03-04  Richard Guenther  <rguenther@suse.de>
8216
8217         PR tree-optimization/39362
8218         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
8219         that occur in abnormal PHIs should be varying.
8220
8221 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
8222
8223         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
8224         Extend comments.
8225         (simple_iv):  Take loop as an argument instead of statement.
8226         * tree-scalar-evolution.h (simple_iv): Declaration changed.
8227         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
8228         to simple_iv.
8229         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
8230         Ditto.
8231         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
8232         * matrix-reorg.c (analyze_transpose): Ditto.
8233         * tree-data-ref.c (dr_analyze_innermost): Ditto.
8234         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
8235         * tree-predcom.c (ref_at_iteration): Ditto.
8236         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
8237
8238 2009-03-04  Richard Guenther  <rguenther@suse.de>
8239
8240         PR tree-optimization/39358
8241         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
8242         escaped_id and callused_id.
8243         (solve_graph): Likewise.
8244
8245 2009-03-04  Richard Guenther  <rguenther@suse.de>
8246
8247         PR tree-optimization/39339
8248         * tree-sra.c (try_instantiate_multiple_fields): Make it
8249         no longer ICE on the above.
8250
8251 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
8252
8253         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
8254         that fits within Pmode.
8255
8256 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
8257
8258         PR middle-end/10109
8259         * tm.texi (LIBCALL_VALUE): Update description.
8260
8261 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
8262
8263         PR middle-end/34443
8264         * doc/extend.texi (section): Update description.
8265
8266 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
8267
8268         PR middle-end/39345
8269         * tree-inline.c (remapped_type): New.
8270         (can_be_nonlocal): Call remapped_type instead of remap_type.
8271
8272 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
8273
8274         PR fortran/39354
8275         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
8276         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
8277
8278 2009-03-03  Richard Guenther  <rguenther@suse.de>
8279
8280         PR middle-end/39272
8281         * tree.c (tree_nonartificial_location): New function.
8282         * tree.h (tree_nonartificial_location): Declare.
8283         * builtins.c (expand_builtin_memory_chk): Provide location
8284         of the call location for artificial function pieces.
8285         (maybe_emit_chk_warning): Likewise.
8286         (maybe_emit_sprintf_chk_warning): Likewise.
8287         (maybe_emit_free_warning): Likewise.
8288         * expr.c (expand_expr_real_1): Likewise.
8289
8290 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
8291
8292         PR tree-optimization/39343
8293         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
8294         COMPONENT_REF t has ARRAY_TYPE.
8295
8296 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
8297
8298         PR middle-end/39335
8299         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
8300         when the type precision of the induction variable should be
8301         larger than the type precision of nit.
8302         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
8303         * graphite.c (graphite_loop_normal_form): Same.
8304         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
8305
8306 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
8307
8308         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
8309         (*call_1_rex64_ms_sysv): Use named constants instead of magic
8310         numbers to describe clobbered registers.
8311         (*call_value_0_rex64_ms_sysv): Ditto.
8312         * config/i386/mmx.md (mmx_emms): Ditto.
8313         (mmx_femms): Ditto.
8314
8315 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
8316
8317         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
8318         of ABI_64.
8319
8320 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8321
8322         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
8323         (spu_section_type_flags): New function.
8324
8325 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
8326
8327         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
8328         reg_class_contents of FLOAT_REGS into a temporary.
8329
8330 2009-03-02  Richard Guenther  <rguenther@suse.de>
8331             Ira Rosen  <irar@il.ibm.com>
8332
8333         PR tree-optimization/39318
8334         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
8335         information to the vectorized statement.
8336
8337 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
8338
8339         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
8340         variable.  Use defined names instead of magic constants for REX SSE
8341         registers.
8342
8343 2009-03-01  Richard Guenther  <rguenther@suse.de>
8344
8345         PR tree-optimization/39331
8346         * omp-low.c (lower_send_shared_vars): Do not receive new
8347         values for the reference of DECL_BY_REFERENCE parms or results.
8348
8349 2009-03-01  Jan Hubicka  <jh@suse.cz>
8350
8351         PR debug/39267
8352         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
8353         BLOCK_NONLOCALIZED_VAR): New macros.
8354         (tree_block): Add nonlocalized_vars.
8355         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
8356         gen_decl_die): Add origin argument.  Allow generation of die with
8357         origin at hand only.
8358         (gen_member_die, gen_type_die_with_usage, force_decl_die,
8359         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
8360         of gen_*.
8361         (gen_block_die): Fix checking for unused blocks.
8362         (process_scope_var): Break out from .... ; work with origins only.
8363         (decls_for_scope) ... here; process nonlocalized list.
8364         (dwarf2out_ignore_block): Look for nonlocalized vars.
8365         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
8366         vars.
8367         (dump_scope_block): Dump them.
8368         * tree-inline.c (remap_decls): Handle nonlocalized vars.
8369         (remap_block): Likewise.
8370         (can_be_nonlocal): New predicate.
8371         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
8372
8373 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8374
8375         * configure: Regenerate.
8376
8377 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8378
8379         * optc-gen.awk: No need to duplicate option flags twice.
8380         Reuse help texts for duplicate options which do not have any.
8381
8382         * gcc.c (display_help): Document --version.
8383
8384         * gcc.c (main): If print_help_list and verbose_flag, ensure
8385         driver output comes before subprocess output.
8386
8387         * optc-gen.awk: Assign all remaining fields to help string,
8388         space-separated, for multi-line help in *.opt.
8389
8390         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
8391         -Wno-pedantic-ms-format is for MinGW targets only.
8392
8393         * doc/options.texi (Option file format): Fix bad indentation,
8394         restoring dropped sentence.
8395
8396 2009-02-28  Jan Hubicka  <jh@suse.cz>
8397
8398         * tree-inline.c (tree_function_versioning): Output debug info.
8399
8400 2009-02-28  Jan Hubicka  <jh@suse.cz>
8401
8402         PR debug/39267
8403         * tree-inline.c (setup_one_parameter): Do not copy propagate
8404         arguments when not optimizing.
8405
8406 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
8407
8408         PR target/39327
8409         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
8410         (avx_addsubv4df3): Likewise.
8411         (*avx_addsubv4sf3): Likewise.
8412         (sse3_addsubv4sf3): Likewise.
8413         (*avx_addsubv2df3): Likewise.
8414         (sse3_addsubv2df3): Likewise.
8415         (avx_unpckhps256): Correct item selectors.
8416         (avx_unpcklps256): Likewise.
8417         (avx_unpckhpd256): Likewise.
8418         (avx_unpcklpd256): Likewise.
8419
8420 2009-02-28  Jan Hubicka  <jh@suse.cz>
8421
8422         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
8423         static vars.
8424         (copy_arguments_for_versioning): If var is declared don't declare it.
8425         (tree_function_versioning): First setup substitutions and then copy
8426         args.
8427
8428 2009-02-27  Jan Hubicka  <jh@suse.cz>
8429
8430         PR debug/39267
8431         * cgraph.h (varpool_output_debug_info): Remove.
8432         * cgraphunit.c (varpool_output_debug_info): Remove.
8433         * dwarf2out.c (deferred_locations_struct): New struct
8434         (deferred_locations): New type.
8435         (deferred_locations_list): New static var.
8436         (deffer_location): New function.
8437         (gen_variable_die): Use it.
8438         (decls_for_scope): Output info on local static vars.
8439         (dwarf2out_finish): Process deferred locations.
8440         * varpool.c (varpool_output_debug_info): Remove.
8441
8442 2009-02-27  Jan Hubicka  <jh@suse.cz>
8443
8444         PR debug/39267
8445         * tree.h (TREE_PROTECTED): Fix comment.
8446         (BLOCK_HANDLER_BLOCK): Remove.
8447         (struct tree_block): Remove handler_block add body_block.
8448         (inlined_function_outer_scope_p): New.
8449         (is_body_block): Remove.
8450         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
8451         * dwarf2out.c (is_inlined_entry_point): Remove.
8452         (add_high_low_attributes): Use inlined_function_outer_scope_p.
8453         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
8454         code.
8455         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
8456         * gimplify.c (gimplify_expr): Gimplify body blocks.
8457         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
8458         block with multiple subblocks.
8459         (dump_scope_block): Prettier output; dump more flags and info.
8460         (dump_scope_blocks): New.
8461         (remove_unused_locals): Use dump_scope_blocks.
8462         * tree-flow.h (dump_scope_blocks): Declare.
8463         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
8464         * stmt.c (is_body_block): Remove.
8465         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
8466         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
8467
8468 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
8469
8470         PR middle-end/39308
8471         * graphite.c (graphite_loop_normal_form): Do not call
8472         number_of_iterations_exit from a gcc_assert.
8473
8474 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
8475
8476         * config/s390/s390.c (s390_swap_cmp): Look for conditional
8477         jumps if COND is NULL.
8478         (find_cond_jump): New function.
8479         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
8480         * config/s390/s390.md: Remove z10_cobra attribute value.
8481
8482 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
8483
8484         * config/alpha/alpha.h (alpha_expand_mov): Return false if
8485         force_const_mem returns NULL_RTX.
8486
8487 2009-02-26  Jan Hubicka  <jh@suse.cz>
8488
8489         PR debug/39267
8490         * cgraph.h (varpool_output_debug_info): Remove.
8491         * cgraphunit.c (varpool_output_debug_info): Remove.
8492         * dwarf2out.c (deferred_locations_struct): New struct
8493         (deferred_locations): New type.
8494         (deferred_locations_list): New static var.
8495         (deffer_location): New function.
8496         (gen_variable_die): Use it.
8497         (decls_for_scope): Output info on local static vars.
8498         (dwarf2out_finish): Process deferred locations.
8499         * varpool.c (varpool_output_debug_info): Remove.
8500
8501 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
8502
8503         PR rtl-optimization/39241
8504         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
8505         to subreg_offset_representable_p.
8506
8507 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
8508
8509         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
8510         execute function prototype.  Get f and nregs from max_reg_num
8511         and get_insns.  Remove the first backward pass as it's dead,
8512         guard the forward pass by flag_expensive_optimizations.
8513         (rest_of_handle_regmove): Delete.
8514         (pass_regmove): Replace it with regmove_optimize.
8515
8516 2009-02-25  Martin Jambor  <mjambor@suse.cz>
8517
8518         PR tree-optimization/39259
8519         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
8520         calls_alloca function flags.
8521         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
8522         calls are detected.
8523
8524 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
8525
8526         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
8527         flags_set_1_rtx, flags_set_1_set): Delete.
8528         (regmove_optimize): Do not call mark_flags_life_zones.
8529
8530 2009-02-24  Julian Brown  <julian@codesourcery.com>
8531
8532         PR target/35965
8533         * config/arm/arm.c (require_pic_register): Only set
8534         cfun->machine->pic_reg once per function.
8535
8536 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
8537
8538         * doc/invoke.texi (Link Options): Document an easier way to pass
8539         options that take arguments to the GNU linker using -Xlinker and -Wl.
8540
8541 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
8542
8543         PR target/33785
8544         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
8545
8546 2009-02-24  Richard Guenther  <rguenther@suse.de>
8547
8548         PR debug/39285
8549         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
8550
8551 2009-02-24  Richard Guenther  <rguenther@suse.de>
8552             Zdenek Dvorak  <ook@ucw.cz>
8553
8554         PR tree-optimization/39233
8555         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
8556         from converting them to a generic type.
8557
8558 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
8559
8560         PR tree-optimization/39260
8561         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
8562         contains a condition with a real type.
8563         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
8564
8565 2009-02-23  Jason Merrill  <jason@redhat.com>
8566
8567         PR c++/38880
8568         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
8569         narrowing_initializer_constant_valid_p.
8570         (narrowing_initializer_constant_valid_p): Don't return
8571         null_pointer_node for adding a pointer to itself.
8572
8573 2009-02-23  Jan Hubicka  <jh@suse.cz>
8574
8575         PR c/12245
8576         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
8577         resizing.
8578
8579 2009-02-23  Jan Hubicka  <jh@suse.cz>
8580
8581         PR tree-optimization/37709
8582         * tree.c (block_ultimate_origin): Move here from dwarf2out.
8583         * tree.h (block_ultimate_origin): Declare.
8584         * dwarf2out.c (block_ultimate_origin): Move to tree.c
8585         * tree-ssa-live.c (remove_unused_scope_block_p):
8586         Eliminate blocks containig no instructions nor live variables nor
8587         nested blocks.
8588         (dump_scope_block): New function.
8589         (remove_unused_locals): Enable removal of dead blocks by default;
8590         enable dumping at TDF_DETAILS.
8591
8592 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
8593
8594         * config/i386/i386.c (classify_argument): Don't allow COImode
8595         and OImode.
8596         (function_arg_advance_32): Don't allow OImode.
8597         (function_arg_32): Likewise.
8598         (function_value_32): Likewise.
8599         (return_in_memory_32): Likewise.
8600         (function_arg_64): Remove OImode comment.
8601
8602 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
8603
8604         PR target/39261
8605         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
8606         ix86_expand_vector_set for V4DImode in 64bit mode only.
8607         (ix86_expand_vector_init_one_var): Likewise.
8608
8609 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
8610
8611         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
8612
8613 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
8614
8615         PR bootstrap/39257
8616         * loop-iv.c: Revert last change.
8617         * emit-rtl.c: Likewise.
8618
8619 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
8620
8621         PR target/39256
8622         * config/i386/i386.c (type_natural_mode): Remove an extra
8623         space in the warning message.
8624         (function_value_32): Handle 32-byte vector modes.
8625         (return_in_memory_32): Likewise.
8626
8627 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
8628
8629         * loop-iv.c (truncate_value): New function.
8630         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
8631         of lowpart_subreg.
8632         (lowpart_subreg): Move to...
8633         * emit-rtl.c: ...here.
8634
8635 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
8636
8637         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
8638         accidental and undocumented change at revision 140860.
8639
8640 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
8641
8642         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
8643         take gimple_seq * arguments.
8644         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
8645         types_compatible_p langhook.
8646
8647 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
8648             Joseph Myers  <joseph@codesourcery.com>
8649
8650         * config/arm/arm.c (arm_builtin_va_list): New function.
8651         (arm_expand_builtin_va_start): Likewise.
8652         (arm_gimplify_va_arg_expr): Likewise.
8653         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
8654         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
8655         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
8656         (va_list_type): New variable.
8657         (arm_mangle_type): Mangle va_list_type appropriately.
8658
8659 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
8660
8661         PR middle-end/39157
8662         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
8663         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
8664         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
8665         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
8666         parameter to 1000 for -O1 by default.
8667         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
8668         parameter.
8669         * loop-invariant.c: Include params.h.
8670         (move_loop_invariants): Don't call move_single_loop_invariants on
8671         very large loops.
8672
8673 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
8674
8675         * calls.c (emit_library_call_value_1): Use slot_offset instead of
8676         offset when calculating bounds for indexing stack_usage_map.  Fixes
8677         a buffer overflow with certain target setups.
8678
8679 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
8680
8681         PR target/39240
8682         * calls.c (expand_call): Clear try_tail_call if caller and callee
8683         disagree in promotion of function return value.
8684
8685 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
8686
8687         PR target/39175
8688         * c-common.c (c_determine_visibility): If visibility changed and
8689         DECL_RTL has been already set, call make_decl_rtl to update symbol
8690         flags.
8691
8692 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
8693
8694         PR c++/39188
8695         * varasm.c (assemble_variable): Don't check DECL_NAME when
8696         globalizing a variable.
8697
8698 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
8699
8700         PR c/38483
8701         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
8702         expression before any __builtin_trap call.
8703         * c-typeck.c (build_function_call): Convert and check function
8704         arguments before generating a call to a trap.  Evaluate the
8705         function arguments before the trap.
8706
8707 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
8708
8709         PR target/39228
8710         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
8711         (UNSPEC_FXAM_MEM): New unspec.
8712         (fxam<mode>2_i387_with_temp): New insn and split pattern.
8713         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
8714         memory using fxam<mode>2_i387_with_temp to remove excess precision.
8715
8716 2009-02-19  Richard Guenther  <rguenther@suse.de>
8717
8718         PR tree-optimization/39207
8719         PR tree-optimization/39074
8720         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
8721         storedanything_tree): New.
8722         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
8723         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
8724         (build_succ_graph): Add edges from STOREDANYTHING to all
8725         non-direct nodes.
8726         (init_base_vars): Initialize STOREDANYTHING.
8727         (compute_points_to_sets): Free substitution info after
8728         building the succ graph.
8729         (ipa_pta_execute): Likewise.
8730
8731         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
8732         field.
8733         (do_ds_constraint): Do not add to special var or non-pointer
8734         field solutions.
8735         (type_could_have_pointers): Split out from ...
8736         (could_have_pointers): ... here.  For arrays use the element type.
8737         (create_variable_info_for): Initialize may_have_pointers.
8738         (new_var_info): Likewise.
8739         (handle_lhs_call): Make the HEAP variable unknown-sized.
8740         (intra_create_variable_infos): Use a type with pointers for
8741         PARM_NOALIAS, make it unknown-sized.
8742
8743 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
8744
8745         PR target/39224
8746         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
8747
8748 2009-02-18  Jason Merrill  <jason@redhat.com>
8749
8750         PR target/39179
8751         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
8752         value if DECL_EXTERNAL.
8753         * tree-sra.c (sra_walk_gimple_assign): Likewise.
8754         * target.h (gcc_target::binds_local_p): Clarify "module".
8755         * tree.h (TREE_PUBLIC): Clarify "module".
8756
8757 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
8758
8759         PR target/38891
8760         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
8761         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
8762
8763 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
8764
8765         PR target/39082
8766         * c.opt (Wabi): Support C and ObjC.
8767         (Wpsabi): New.
8768
8769         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
8770
8771         * config/i386/i386.c (classify_argument): Warn once about the ABI
8772         change when passing union with long double.
8773
8774         * doc/invoke.texi: Update -Wabi for warning psABI changes.
8775
8776 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
8777
8778         PR c/35447
8779         * c-parser.c (c_parser_compound_statement): Always enter and leave
8780         a scope.
8781
8782 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8783
8784         PR target/34587
8785         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
8786
8787 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
8788
8789         PR tree-optimization/36922
8790         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
8791         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
8792         Likewise.
8793
8794 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
8795
8796         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
8797         to 0 for EABI64.
8798
8799 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
8800
8801         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
8802
8803 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
8804
8805         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
8806         tree sharing.
8807
8808 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
8809             Richard Sandiford  <rdsandiford@googlemail.com>
8810
8811         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
8812         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
8813         (loongson_biadd): ...this.
8814
8815 2009-02-17  Richard Guenther  <rguenther@suse.de>
8816
8817         PR tree-optimization/39202
8818         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
8819         a var make sure to follow existing collapses.
8820
8821 2009-02-17  Richard Guenther  <rguenther@suse.de>
8822
8823         PR middle-end/39214
8824         * langhooks.c (lhd_print_error_function): Check for NULL block.
8825
8826 2009-02-17  Richard Guenther  <rguenther@suse.de>
8827
8828         PR tree-optimization/39204
8829         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
8830         of the PHI arg.
8831
8832 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
8833
8834         * config/soft-fp/double.h: Update from glibc CVS.
8835
8836 2009-02-17  Richard Guenther  <rguenther@suse.de>
8837
8838         PR tree-optimization/39207
8839         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
8840         strict-aliasing warnings for pointers pointing to NULL.
8841
8842 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
8843
8844         PR c/35446
8845         * c-parser.c (c_parser_braced_init): Call pop_init_level when
8846         skipping until next close brace.
8847
8848 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
8849
8850         PR target/37049
8851         * config/i386/i386.c (ix86_expand_push): Set memory alignment
8852         to function argument boundary.
8853
8854 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
8855
8856         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
8857         in the lea_add. Reload eventually constraints it properly.
8858         * config/picochip/constraints.md: Remove the target constraint
8859         "b", since it is not needed anymore.
8860
8861 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
8862
8863         * gthr-dce.h: Uglify function parameter and local variable names.
8864         * gthr-gnat.h: Likewise.
8865         * gthr-mipssde.h: Likewise.
8866         * gthr-nks.h: Likewise.
8867         * gthr-posix95.h: Likewise.
8868         * gthr-posix.h: Likewise.
8869         * gthr-rtems.h: Likewise.
8870         * gthr-single.h: Likewise.
8871         * gthr-solaris.h: Likewise.
8872         * gthr-tpf.h: Likewise.
8873         * gthr-vxworks.h: Likewise.
8874         * gthr-win32.h: Likewise.
8875
8876 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
8877
8878         PR target/39196
8879         * config/i386/i386.md: Restrict the new peephole2 to move
8880         between MMX/SSE registers.
8881
8882 2009-02-15  Richard Guenther  <rguenther@suse.de>
8883
8884         Revert
8885         2009-02-13  Richard Guenther  <rguenther@suse.de>
8886
8887         * configure.ac: Enable LFS.
8888         * configure: Re-generate.
8889         * config.in: Likewise.
8890
8891 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8892
8893         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
8894         spu_srqwbyte, spu_srqwbytebc): Define.
8895         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
8896         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
8897         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
8898         "shrqby_<mode>"): New insn-and-split patterns.
8899         * config/spu/spu.c (expand_builtin_args): Determine and return
8900         number of operands using spu_builtin_description data.
8901         (spu_expand_builtin_1): Use it.
8902
8903 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
8904
8905         PR target/38056
8906         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
8907         TARGET_CONST_GP.
8908
8909 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
8910
8911         PR target/39149
8912         * config/i386/i386.c (override_options): Correct warning
8913         messages for -malign-loops, -malign-jumps and -malign-functions.
8914
8915 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
8916
8917         PR target/39152
8918         * config/i386/i386.md: Restrict the new peephole2 to move
8919         between the general purpose registers.
8920
8921 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
8922
8923         PR target/39162
8924         * config/i386/i386.c (type_natural_mode): Add a new argument.
8925         Return the original mode and warn ABI change if vector size is 32byte.
8926         (function_arg_advance): Updated.
8927         (function_arg): Likewise.
8928         (ix86_function_value): Likewise.
8929         (ix86_return_in_memory): Likewise.
8930         (ix86_sol10_return_in_memory): Likewise.
8931         (ix86_gimplify_va_arg): Likewise.
8932         (function_arg_32): Don't warn ABX ABI change here.
8933         (function_arg_64): Likewise.
8934
8935 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
8936
8937         * loop-iv.c (implies_p): In the final case, test that operands 0
8938         of the two comparisons match.
8939
8940         * config/bfin/bfin.c (find_prev_insn_start): New function.
8941         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
8942         (find_next_insn_start): Move.
8943
8944 2009-02-13  Richard Guenther  <rguenther@suse.de>
8945
8946         * configure.ac: Enable LFS.
8947         * configure: Re-generate.
8948         * config.in: Likewise.
8949
8950 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
8951
8952         PR c/35444
8953         * c-parser.c (c_parser_parms_list_declarator): Discard pending
8954         sizes on syntax error after some arguments have been parsed.
8955
8956 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
8957
8958         * doc/invoke.texi (-fira): Remove.
8959
8960 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8961
8962         * caller-save.c: Replace regclass.c with reginfo.c in comments.
8963         * recog.c: Likewise.
8964         * rtl.h: Likewise.
8965
8966 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
8967
8968         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
8969         (umul_ppmm): Likewise.
8970         (count_leading_zeros): Likewise.
8971         (count_trailing_zeros): Likewise.
8972         (UMUL_TIME): Likewise.
8973
8974 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8975
8976         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
8977         soft-fp/t-softfp to tmake_file.
8978
8979         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
8980         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
8981         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
8982         IA64_BUILTIN_INFQ]: New.
8983         (ia64_init_builtins): Initialize __builtin_infq,
8984         __builtin_fabsq and __builtin_copysignq if not HPUX.
8985         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
8986         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
8987
8988         * config/ia64/lib1funcs.asm (__divtf3): Define only if
8989         SHARED is defined.
8990         (__fixtfti): Likewise.
8991         (__fixunstfti): Likewise.
8992         (__floattitf): Likewise.
8993
8994         * config/ia64/libgcc-glibc.ver: New.
8995         * config/ia64/t-fprules-softfp: Likewise.
8996         * config/ia64/sfp-machine.h: Likewise.
8997
8998         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
8999         (LIBGCC2_TF_CEXT): Likewise.
9000         (TF_SIZE): Likewise.
9001         (TARGET_INIT_LIBFUNCS): Likewise.
9002
9003         * config/ia64/t-glibc (SHLINB_MAPFILES):
9004         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
9005
9006 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9007
9008         * config/i386/i386.c (construct_container): Rewrite processing
9009         BLKmode with X86_64_SSE_CLASS.
9010
9011 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
9012
9013         PR target/39152
9014         * config/i386/i386.md: Replace simplify_replace_rtx with
9015         replace_rtx in the new peephole2.
9016
9017 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
9018
9019         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
9020         loop unrolling do not happen at -O2.
9021
9022 2009-02-12  Michael Matz  <matz@suse.de>
9023
9024         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
9025
9026 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
9027
9028         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
9029         for -g3.
9030
9031 2009-02-12  Ben Elliston  <bje@au.ibm.com>
9032
9033         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
9034         patterns when updating the back chain.  Missed in the 2009-02-10
9035         change.
9036
9037 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
9038
9039         * doc/extend.texi (Decimal Floating Types): Update identifier of
9040         draft TR and list of missing support.
9041
9042 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
9043
9044         PR middle-end/39154
9045         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
9046         bit to variable length decl's flags, add it also to its
9047         pointer replacement variable.
9048
9049 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
9050             Jakub Jelinek  <jakub@redhat.com>
9051
9052         PR target/39118
9053         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
9054         (memory_blockage): New expander.
9055         (*memory_blockage): New insn pattern.
9056         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
9057         instead of general blockage at the end of function prologue when
9058         frame pointer is used to access red zone area.  Do not emit blockage
9059         when profiling, it is emitted in generic code.
9060         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
9061         function epilogue when frame pointer is used to access red zone area.
9062
9063 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
9064
9065         PR target/38824
9066         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
9067         by arithmetic with memory operands.
9068         * config/i386/predicates.md (commutative_operator): New.
9069
9070 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
9071
9072         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
9073         bulleted lists.
9074
9075 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
9076
9077         * alias.h (record_alias_subset): Declare.
9078         * alias.c (record_alias_subset): Make global.
9079
9080 2009-02-10  Nick Clifton  <nickc@redhat.com>
9081
9082         * tree-parloops.c: Change license to GPLv3.
9083         * ipa-struct-reorg.c: Change license to GPLv3.
9084         * ipa-struct-reorg.h: Change license to GPLv3.
9085
9086 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
9087
9088         PR c/39084
9089         * c-decl.c (start_struct): Return NULL on error.
9090
9091 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
9092
9093         PR middle-end/39124
9094         * cfgloopmanip.c (remove_path): Call remove_bbs after
9095         cancel_loop_tree, not before it.
9096
9097         PR target/39139
9098         * function.h (struct function): Add has_local_explicit_reg_vars bit.
9099         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
9100         VAR_DECLs were seen.
9101         * tree-ssa-live.c (remove_unused_locals): Recompute
9102         cfun->has_local_explicit_reg_vars.
9103         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
9104         copies or clearings if cfun->has_local_explicit_reg_vars.
9105
9106 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
9107
9108         PR target/39118
9109         * config/i386/i386.c (expand_prologue): Emit blockage at the end
9110         of function prologue when frame pointer is used to access
9111         red zone area.
9112
9113 2009-02-10  Richard Guenther  <rguenther@suse.de>
9114
9115         PR middle-end/39127
9116         * gimplify.c (gimple_regimplify_operands): Always look if
9117         we need to create a temporary.
9118
9119 2009-02-10  Richard Guenther  <rguenther@suse.de>
9120
9121         PR tree-optimization/39132
9122         * tree-loop-distribution.c (todo): New global var.
9123         (generate_memset_zero): Trigger TODO_rebuild_alias.
9124         (tree_loop_distribution): Return todo.
9125
9126 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
9127
9128         PR target/39119
9129         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
9130         (x86_64_reg_class_name): Removed.
9131         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
9132         first one isn't X86_64_SSE_CLASS or any other ones aren't
9133         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
9134         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
9135         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
9136         and 3 X86_64_SSEUP_CLASS.
9137         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
9138         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
9139
9140 2009-02-10  Ben Elliston  <bje@au.ibm.com>
9141
9142         * config/rs6000/rs6000.md (allocate_stack): Always use an update
9143         form instruction to update the stack back chain word, even if the
9144         user has disabled the generation of update instructions.
9145         (movdi_<mode>_update_stack): New.
9146         (movsi_update_stack): Likewise.
9147         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
9148         always use an update form instruction to update the stack back
9149         chain word.
9150
9151 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
9152
9153         PR middle-end/38953
9154         * graphite.c (if_region_set_false_region): After moving a region in
9155         the false branch of a condition, remove the empty dummy basic block.
9156         (gloog): Remove wrong fix for PR38953.
9157
9158 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9159
9160         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
9161         generation due to implicit sign extension.
9162
9163 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
9164
9165         PR middle-end/38981
9166         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
9167         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
9168
9169 2009-02-09  Richard Guenther  <rguenther@suse.de>
9170
9171         PR middle-end/35202
9172         * convert.c (convert_to_real): Disable (float)fn((double)x)
9173         to fnf(x) conversion if errno differences may occur and
9174         -fmath-errno is set.
9175
9176 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
9177
9178         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
9179         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9180         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9181
9182 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
9183
9184         PR c/35434
9185         * c-common.c (handle_alias_attribute): Disallow attribute for
9186         anything not a FUNCTION_DECL or VAR_DECL.
9187
9188 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
9189
9190         PR c/39035
9191         * real.c (do_compare): Special-case compare of zero against
9192         decimal float value.
9193
9194 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
9195
9196         PR c/36432
9197         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
9198         as indicating flexible array members unless the field itself is
9199         being declarared as the incomplete array.
9200
9201 2009-02-06  Jan Hubicka  <jh@suse.cz>
9202
9203         PR tree-optimization/38844
9204         * ipa-inline.c (try_inline): Stop inlining recursion when edge
9205         is already inlined.
9206
9207 2009-02-06  Richard Guenther  <rguenther@suse.de>
9208
9209         PR middle-end/38977
9210         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
9211         fork because we may expand it as __gcov_fork.
9212
9213 2009-02-06  Nick Clifton  <nickc@redhat.com>
9214
9215         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
9216
9217 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
9218
9219         PR tree-optimization/35659
9220         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
9221         vn_phi_eq): Shortcut if hashcode does not match.
9222         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
9223         NULL operands.
9224         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
9225         and avoid iterative_hash_expr.
9226         (FOR_EACH_VALUE_ID_IN_SET): New.
9227         (value_id_compare): Remove.
9228         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
9229         sort expressions by value id.
9230
9231 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
9232
9233         PR target/38991
9234         * config/sh/predicates.md (general_movsrc_operand): Don't check
9235         the subreg of system registers here.
9236
9237 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
9238
9239         PR c++/39106
9240         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
9241         on the copied decl.
9242
9243 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
9244
9245         PR rtl-optimization/39110
9246         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
9247         addresses, not aligned ones.
9248
9249 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
9250             Richard Guenther  <rguenther@suse.de>
9251
9252         PR tree-optimization/39100
9253         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
9254         comment says and add edges.
9255
9256 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
9257
9258         PR c/35435
9259         * c-common.c (handle_tls_model_attribute): Ignore attribute for
9260         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
9261
9262 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
9263
9264         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
9265         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
9266         register_bb_in_sese, new_sese, free_sese): Moved.
9267         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
9268         outermost_loop_in_scop, build_scop_iteration_domain,
9269         expand_scalar_variables_ssa_name, get_vdef_before_scop,
9270         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
9271         Use loop_in_sese_p instead of loop_in_scop_p.
9272         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
9273         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
9274         (scopdet_basic_block_info): Fix bug in scop detection.
9275         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
9276         eq_loop_to_cloog_loop): Remove.
9277         (nb_loops_around_loop_in_scop, nb_loop
9278         ref_nb_loops): Moved here...
9279         * graphite.h (ref_nb_loops): ... from here.
9280         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
9281         (loop_domain_dim, loop_iteration_vector_dim): Remove.
9282         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
9283         * testsuite/gcc.dg/graphite/scop-19.c: New
9284
9285 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
9286             Hans-Peter Nilsson  <hp@axis.com>
9287
9288         PR rtl-optimization/37889
9289         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
9290         Move offset handling from PLUS to before the switch.  Use new
9291         arguments when considering SYMBOL_REFs too.
9292         (rtx_addr_can_trap_p): Pass dummy offset and size.
9293         (enum may_trap_p_flags): Remove.
9294         (may_trap_p_1): Pass size from MEM_SIZE.
9295
9296         PR rtl-optimization/38921
9297         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
9298         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
9299         * rtlanal.c (may_trap_after_code_motion_p): Delete.
9300         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
9301
9302 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
9303
9304         AVX Programming Reference (January, 2009)
9305         * config/i386/sse.md (*vpclmulqdq): New.
9306
9307 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
9308
9309         PR tree-optimization/38977
9310         PR gcov-profile/38292
9311         * calls.c (special_function_p): Disregard __builtin_ prefix.
9312
9313 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
9314
9315         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
9316         non-indexable addresses even before reload.
9317
9318 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
9319
9320         PR c/29129
9321         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
9322         as having variable size.  Do not give an error for unnamed
9323         parameters with [*] declarators.  Give a warning for type names
9324         with [*] declarators and mark them as variable size.
9325         * c-parser.c (c_parser_sizeof_expression): Do not give an error
9326         for sizeof applied to [*] type names.
9327
9328 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9329
9330         PR C++/36607
9331         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
9332
9333 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
9334
9335         * gcc.c (process_command): Update copyright notice dates.
9336         * gcov.c (print_version): Likewise.
9337         * gcov-dump.c (print_version): Likewise.
9338         * mips-tfile.c (main): Likewise.
9339         * mips-tdump.c (main): Likewise.
9340
9341 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
9342
9343         PR c/35433
9344         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
9345         for composite type involving a zero-length array type.
9346
9347 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
9348
9349         PR target/35318
9350         * function.c (match_asm_constraints_1): Skip over
9351         initial optional % in the constraint.
9352
9353         PR inline-asm/39059
9354         * c-parser.c (c_parser_postfix_expression): If fixed point is not
9355         supported, don't accept FIXED_CSTs.
9356         * c-decl.c (finish_declspecs): Error if fixed point is not supported
9357         and _Sat is used without _Fract/_Accum.  Set specs->type to
9358         integer_type_node for cts_fract/cts_accum if fixed point is not
9359         supported.
9360
9361 2009-02-02  Catherine Moore  <clm@codesourcery.com>
9362
9363         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
9364
9365 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
9366
9367         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
9368         (ABI_HAS_64BIT_SYMBOLS): Use it.
9369         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
9370
9371 2009-02-02  Paul Brook  <paul@codesourcery.com>
9372
9373         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
9374
9375 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
9376
9377         PR inline-asm/39058
9378         * recog.h (asm_operand_ok): Add constraints argument.
9379         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
9380         recurse on matching constraint.
9381         (check_asm_operands): Pass constraints as 3rd argument to
9382         asm_operand_ok.  Don't look up matching constraint here.
9383         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
9384         to asm_operand_ok.
9385
9386 2009-02-02  Ben Elliston  <bje@au.ibm.com>
9387
9388         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
9389         TARGET_NARROW_VOLATILE_BITFIELD macro names.
9390
9391 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9392
9393         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
9394         information.  Remove some obsolete information.  Reorganize.
9395
9396         * config/pa/fptr.c: Revert license to GPL 2.
9397         * config/pa/milli64.S: Likewise.
9398
9399 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
9400
9401         PR target/38904
9402         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
9403         LIBRARY name in, instead of hard-coding it.
9404         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
9405         extra target make frag to tmake_files according to EH model.
9406         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
9407         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
9408         frags that define makefile variable EH_MODEL appropriately.
9409         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
9410         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
9411         to "-sjlj" according to type of EH configured.
9412         (LIBGCC_SONAME):  Concatenate it to shared library base name.
9413         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
9414         to "_sjlj" according to type of EH configured.
9415         (LIBGCC_SONAME):  Concatenate it to shared library base name.
9416         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
9417         (SHLIB_LINK):  Add missing semicolon to if-else construct.
9418         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
9419         string value of "pe_dll" command-line option.
9420         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
9421         (SHLIB_SONAME):  Use it when overriding t-cygming default.
9422         (SHLIB_IMPLIB):  Override t-cygming default.
9423         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
9424         string value of "pe_dll" command-line option.
9425
9426 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
9427
9428         PR target/38952
9429         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
9430         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
9431
9432 2009-01-31  Richard Guenther  <rguenther@suse.de>
9433
9434         PR tree-optimization/38937
9435         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
9436         computing the transitive closure.
9437
9438 2009-01-30  Richard Guenther  <rguenther@suse.de>
9439
9440         PR tree-optimization/39041
9441         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
9442         Propagate variable indices only if the types match for this stmt.
9443
9444 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
9445
9446         PR target/39013
9447         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
9448         inline but never defined.
9449
9450 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
9451
9452         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
9453         (*insv_h_di_reg_extimm): New insn.
9454         (*insv_l<mode>_reg_extimm): New insn.
9455
9456 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
9457
9458         * config/picochip/picochip.c (flag_conserve_stack): set
9459         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
9460         fconserve-stack. Reduce call-overhead used by inliner.
9461
9462 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
9463
9464         PR/38157
9465         * common.opt (flag_conserve_stack): Initialised to zero.
9466
9467 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
9468
9469         PR/39002
9470         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
9471         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
9472         method.
9473
9474 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
9475
9476         * ira-color.c (allocno_reload_assign): Update comments.
9477         * regmove.c (regmove_optimize): Likewise.
9478
9479         * ra.h: Removed.
9480
9481 2009-01-29  Robert Millan  <rmh@aybabtu.com>
9482
9483         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
9484         * config/i386/kopensolaris-gnu.h: New file.  Undefine
9485         `MD_UNWIND_SUPPORT'.
9486         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
9487
9488 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
9489
9490         PR tree-optimization/39007
9491         * tree-loop-distribution.c (generate_builtin): Use
9492         recompute_dominator to compute the immediate dominator of the
9493         basic block just after the loop.
9494
9495 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9496
9497         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
9498         (ASM_OUTPUT_DWARF_PCREL): Define.
9499
9500 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
9501
9502         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
9503         * doc/passes.texi: Remove entries about regclass, local-alloc, and
9504         global.  Modify entries about regmove and IRA.
9505
9506         * ra-conflict.c: Remove the file.
9507
9508         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
9509
9510         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
9511         (pass_regclass_init): Rename to pass_reginfo_init.
9512
9513         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
9514
9515         * toplev.h (flag_ira): Remove.
9516
9517         * caller-save.c (setup_save_areas): Remove flag_ira.
9518
9519         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
9520
9521         * global.c: Remove the file.
9522
9523         * opts.c (decode_options): Remove flag_ira.
9524
9525         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
9526
9527         * regmove.c: Modify file description.
9528         (find_use_as_address, try_auto_increment): Define them only if
9529         AUTO_INC_DEC is defined.
9530         (replacement_quality, replace_in_call_usage, fixup_match_1,
9531         stable_and_no_regs_but_for_p): Remove.
9532         (reg_set_in_bb): Make it static.
9533         (regmove_optimize): Remove flag_ira and code which worked for
9534         !flag_ira.
9535
9536         * local-alloc.c: Remove the file.
9537
9538         * common.opt (fira): Remove.
9539
9540         * ira.c: Include except.h.
9541         (eliminable_regset): Move from global.c.
9542         (mark_elimination): Ditto.  Remove flag_ira.
9543         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
9544         equiv_mem_modified, validate_equiv_mem_from_store,
9545         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
9546         contains_replace_regs, memref_referenced_p, memref_used_between_p,
9547         no_equiv, recorded_label_ref): Move from local-alloc.c.
9548         (update_equiv_regs): Ditto.  Make it static.
9549         (print_insn_chain, print_insn_chains): Move it from global.c.
9550         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
9551         (build_insn_chain): Ditto.  Make it static.
9552         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
9553         Rename to init_live_subregs.
9554         (gate_ira): Remove flag_ira.
9555
9556         * regclass.c: Rename reginfo.c.  Change file description.
9557         (FORBIDDEN_INC_DEC_CLASSES): Remove.
9558         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
9559         (init_reg_sets_1): Remove code for evaluation of
9560         reg_class_superclasses and losing_caller_save_reg_set.
9561         (init_regs): Remove init_reg_autoinc.
9562         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
9563         ok_for_base_p_nonstrict): Remove.
9564         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
9565         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
9566         corresponding entries.
9567         (dump_regclass, record_operand_costs, scan_one_insn,
9568         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
9569         record_address_regs, auto_inc_dec_reg_p): Remove.
9570         (gt-regclass.h): Rename to gt-reginfo.h.
9571
9572         * rtl.h (dump_global_regs, retry_global_alloc,
9573         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
9574
9575         * Makefile.in (RA_H): Remove.
9576         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
9577         Rename regclass.o to reginfo.o.
9578         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
9579         gt-reginfo.h.
9580         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
9581         (GTFILES): Rename regclass.c to reginfo.c.
9582
9583         * passes.c (init_optimization_passes): Remove pass_local_alloc and
9584         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
9585
9586         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
9587         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
9588         Remove flag_ira.
9589         (finish_spills): Ditto.  Remove code for !flag_ira.
9590
9591 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
9592
9593         PR middle-end/35854
9594         * doc/invoke.texi (rtl debug options): Complete rewrite.
9595         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
9596         to auto_inc_dec".
9597         * mode-switching.c (pass_mode_switching): Rename pass from
9598         "mode-sw" to "mode_sw".
9599         * except.c (pass_convert_to_eh_ranges): Rename pass from
9600         "eh-ranges" to "eh_ranges".
9601         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
9602         to "subreg1".
9603
9604
9605 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
9606             Alexander Monakov  <amonakov@ispras.ru>
9607
9608         PR middle-end/38857
9609         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
9610         register.
9611         (move_exprs_to_boundary): Change return type and pass through
9612         should_move from move_op.  Relax assert.  Update usage ...
9613         (schedule_expr_on_boundary): ... here.  Use should_move instead of
9614         cant_move.
9615         (move_op_orig_expr_found): Indicate that insn was disconnected from
9616         stream.
9617         (code_motion_process_successors): Do not call after_merge_succs
9618         callback if original expression was not found when traversing any of
9619         the branches.
9620         (code_motion_path_driver): Change return type.  Update prototype.
9621         (move_op): Update comment.  Add a new parameter (should_move).  Update
9622         prototype.  Set *should_move based on indication provided by
9623         move_op_orig_expr_found.
9624
9625 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
9626
9627         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
9628         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
9629         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
9630         * config/rs6000/rs6000.c (rs6000_override_options): Default
9631         avoid-indexed-addresses on for Power6, off for everything else.
9632         (avoiding_indexed_address_p): New function.
9633         (rs6000_legitimize_address): Use it.
9634         (rs6000_legitimate_address): Likewise.
9635         * config/rs6000/rs6000.md (movXX_updateX): Likewise
9636
9637 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
9638
9639         PR tree-optimization/38997
9640         * tree-loop-distribution.c (generate_memset_zero): Use
9641         POINTER_PLUS_EXPR for a pointer addition.
9642
9643 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
9644
9645         * config/s390/s390.md (bswap<mode>2): New pattern added.
9646
9647 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
9648
9649         * config/s390/s390.md (*tls_load_31): Added type attribute.
9650
9651 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
9652
9653         * config/s390/s390.md: Fix a few comments.
9654
9655 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
9656
9657         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
9658         (*tm<mode>_full): Fixed z10prop attribute.
9659         (*tst<mode>_extimm): Fixed z10prop attribute.
9660         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
9661         (*tstqiCCT_cconly): Fixed z10prop attribute.
9662         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
9663         (*movsi_larl): Fixed z10prop attribute.
9664         (*movsi_zarch): Fixed z10prop attribute.
9665         (*movsi_eas): Fixed z10prop attribute.
9666         (*movhi): Fixed z10prop attribute.
9667         (*movqi): Fixed z10prop attribute.
9668         (*movstrictqi): Fixed z10prop attribute.
9669         (*mov<mode>): Fixed z10prop attribute.
9670         (*movcc): Fixed z10prop attribute.
9671         (*sethighpartdi_64): Fixed z10prop attribute.
9672         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
9673         (*negdi2_sign_cc): Fixed z10prop attribute.
9674         (*negdi2_sign): Fixed z10prop attribute.
9675         (*absdi2_sign_cc): Fixed z10prop attribute.
9676         (*absdi2_sign): Fixed z10prop attribute.
9677         (*negabsdi2_sign_cc): Fixed z10prop attribute.
9678         (*negabsdi2_sign): Fixed z10prop attribute.
9679         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
9680         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
9681         (doloop_si64): Fixed z10prop attribute.
9682         (doloop_si31): Fixed z10prop attribute.
9683         (doloop_long): Fixed z10prop attribute.
9684         (indirect_jump): Fixed z10prop attribute.
9685         (nop): Fixed z10prop attribute.
9686         (main_base_64): Fixed z10prop attribute.
9687         (reload_base_64): Fixed z10prop attribute.
9688
9689 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
9690
9691         PR rtl-optimization/38740
9692         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
9693         if !optimize.
9694         * config/mips/mips.c (mips_reorg): Likewise.
9695
9696 2009-01-28  Richard Guenther  <rguenther@suse.de>
9697
9698         PR tree-optimization/38926
9699         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
9700         with the correct value id to a value.
9701         (do_regular_insertion): Use the value number of edoubleprime
9702         for the value number of the expr.
9703
9704         Revert
9705         2008-08-21  Richard Guenther  <rguenther@suse.de>
9706
9707         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
9708         a PHI ask VN if it is already available.
9709         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
9710         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
9711
9712 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
9713
9714         PR middle-end/38934
9715         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
9716         set to varying whenever max has TREE_OVERFLOW set, similarly
9717         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
9718
9719 2009-01-28  Richard Guenther  <rguenther@suse.de>
9720
9721         PR middle-end/38908
9722         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
9723         uninitialized aggregate uses in call arguments.
9724
9725 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
9726
9727         PR tree-optimization/38984
9728         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
9729         the nothing_id variable if -fno-delete-null-pointer-checks.
9730
9731 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
9732
9733         PR target/38988
9734         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
9735         (set_got_offset_rex64): Ditto.
9736
9737 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
9738
9739         PR target/38941
9740         * doc/extend.texi: Improve local variable with asm reg.
9741
9742 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
9743
9744         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
9745         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
9746         was not supplied then set warn_packed_bitfield_compat to the
9747         default value of 1.
9748         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
9749         against 1.
9750
9751 2009-01-27  Richard Guenther  <rguenther@suse.de>
9752
9753         PR tree-optimization/38503
9754         * cfgexpand.c (expand_gimple_basic_block): Ignore
9755         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
9756         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
9757         variables that cannot have TBAA applied.
9758         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
9759         statements.
9760
9761 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
9762
9763         PR middle-end/38969
9764         * calls.c (initialize_argument_information): Do not wrap complex
9765         arguments in SAVE_EXPR.
9766
9767 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
9768
9769         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
9770         (INSTALL_LIBGCC): Revert typo commit.
9771
9772 2009-01-26  Richard Guenther  <rguenther@suse.de>
9773
9774         PR tree-optimization/38745
9775         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
9776         from special handling.
9777
9778 2009-01-26  Richard Guenther  <rguenther@suse.de>
9779
9780         PR tree-optimization/38745
9781         * tree-ssa.c (execute_update_addresses_taken): Do not include
9782         variables that cannot possibly be a register in not_reg_needs.
9783         Do not clear TREE_ADDRESSABLE on vars that may not become
9784         registers.
9785         * tree-ssa.c (update_alias_info_1): Include those in the set
9786         of addressable vars.
9787
9788 2009-01-26  Richard Guenther  <rguenther@suse.de>
9789
9790         PR middle-end/38851
9791         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
9792         * tree-ssa-dse.c: Include langhooks.h
9793         (execute_simple_dse): Remove stores with zero size.
9794
9795 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
9796
9797         PR c/38957
9798         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
9799         as PLUS_EXPR.
9800
9801 2009-01-24  Julian Brown  <julian@codesourcery.com>
9802
9803         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
9804         config/arm/linux-atomic.c.
9805         * config/arm/linux-atomic.c: New.
9806
9807 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
9808
9809         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
9810         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
9811         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
9812
9813 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
9814
9815         PR c/38938
9816         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
9817         properly.
9818
9819 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
9820
9821         PR tree-optimization/38953
9822         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
9823         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
9824         (gloog): Split the exit of the scop when the scop exit is a loop exit.
9825         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
9826         changed the CFG.
9827
9828 2009-01-24  Paul Brook  <paul@codesourcery.com>
9829
9830         * config/arm/neon.md (neon_type): Move to arm.md.
9831         (neon_mov<VSTRUCT>): Add neon_type attribute.
9832         * config/arm/arm.md (neon_type): Move to here.
9833         (conds): Add "unconditioal" and use as default for NEON insns.
9834
9835 2009-01-24  Ben Elliston  <bje@au.ibm.com>
9836
9837         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
9838         void *' warning from -Wc++-compat.
9839         * Makefile.in (dominance.o-warn): Remove.
9840
9841 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
9842
9843         PR tree-optimization/38932
9844         * fold-const.c (fold_unary_ignore_overflow): New.
9845         * tree.h (fold_unary_ignore_overflow): Declare.
9846         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
9847         * tree-ssa-sccvn.c (visit_reference_op_load,
9848         simplify_unary_expression): Likewise.
9849
9850 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
9851
9852         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
9853         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
9854         regardless of their type.
9855         * c-common.c (handle_packed_attribute): Don't ignore packed on
9856         bitfields.
9857         * c.opt (Wpacked-bitfield-compat): New warning option.
9858         * stor-layout.c (place_field): Warn if offset of a field changed.
9859         * doc/extend.texi (packed): Mention the ABI change.
9860         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
9861         (Warning Options): Add it to the list.
9862
9863 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9864
9865         * c-opts.c (c_common_post_options): Fix a typo in comments.
9866
9867 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
9868
9869         PR middle-end/38615
9870         * gimplify.c (gimplify_init_constructor): Fix promotion of const
9871         variables to static.
9872         * doc/invoke.texi (-fmerge-all-constants): Update description.
9873
9874 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
9875
9876         PR target/38931
9877         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
9878         (*movdi_1_rex64): Use type "mmx" for alternative 5.
9879
9880 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
9881
9882         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
9883         a word boundary.
9884         (LOCAL_ALIGNMENT): Similarly.
9885
9886 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
9887             Joseph Myers  <joseph@codesourcery.com>
9888
9889         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
9890         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
9891         * config/arm/arm-tune.md: Regenerate.
9892         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
9893         -march=iwmmxt2.
9894
9895 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
9896
9897         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
9898         version number to five.
9899
9900 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
9901
9902         PR c++/38930
9903         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
9904         * c-common.c (set_underlying_type): Likewise.
9905         (is_typedef_decl ): Likewise
9906         * tree.h: Likewise
9907         (set_underlying_type): Likewise.
9908         (is_typedef_type): Likewise.
9909
9910 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
9911
9912         PR middle-end/38587
9913         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
9914         crossing setjmps.
9915
9916 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
9917
9918         PR bootstrap/37660
9919         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
9920         (LIBGCC_SPEC):  Don't define.
9921         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
9922
9923 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
9924
9925         PR rtl-optimization/38879
9926         * alias.c (base_alias_check): Unaligned access via AND address can
9927         alias all surrounding object types except those with sizes equal
9928         or wider than the size of unaligned access.
9929
9930 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
9931
9932         PR c++/26693
9933         * c-decl.c (clone_underlying_type): Move this ...
9934         * c-common.c (set_underlying_type): ... here.
9935         Also, make sure the function properly sets TYPE_STUB_DECL() on
9936         the newly created typedef variant type.
9937         (is_typedef_decl ): New entry point.
9938         * tree.h: Added a new member member_types_needing_access_check to
9939         struct tree_decl_non_common.
9940         (set_underlying_type): New entry point.
9941         (is_typedef_type): Likewise.
9942
9943 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
9944
9945         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
9946         Check whether two instructions have memory references that
9947         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
9948         are helper functions for traversing.
9949         * alias.h (insn_alias_sets_confilict_p): New prototypes.
9950         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
9951         not to draw dependency edge for instructions with non-conflicting
9952         alias sets.
9953
9954 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
9955
9956         PR other/38758
9957         * longlong.h: Update copyright years.  Use soft-fp license notice.
9958         Sync __clz_tab declaration with glibc.
9959
9960 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
9961
9962         PR target/30687
9963         * doc/extend.texi (syscall_linkage): New.
9964         (version_id): Modify.
9965
9966 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9967             Richard Guenther  <rguenther@suse.de>
9968
9969         PR tree-optimization/38747
9970         PR tree-optimization/38748
9971         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
9972         conversion if the base address is an indirect reference and the
9973         aliasing sets could cause issues.
9974
9975 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
9976
9977         * common.opt (fgraphite, fgraphite-identity): Add comment for
9978         explaining why these options are not documented.
9979
9980 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
9981
9982         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
9983         gimple_call_lhs is NULL.
9984
9985 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
9986
9987         PR target/38868
9988         * emit-rtl.c (adjust_address_1): Make sure memref is never
9989         overwritten.
9990
9991 2009-01-20  Ben Elliston  <bje@au.ibm.com>
9992
9993         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
9994         const qualifier from arg parameter. Remove unnecessary cast to char *.
9995         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
9996         const qualifier from arg 2.
9997
9998 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
9999
10000         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
10001
10002 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
10003
10004         PR c/38869
10005         * rtl.h (reinit_regs): New prototype.
10006         * regclass.c: Include ira.h.
10007         (reinit_regs): New.
10008         * Makefile.in (regclass.o): Add ira.h.
10009         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
10010
10011 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
10012
10013         PR target/38736
10014         * c-common.c (handle_aligned_attribute): Use
10015         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
10016         default alignment value.
10017
10018         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
10019
10020         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
10021         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
10022
10023         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
10024         __BIGGEST_ALIGNMENT__.
10025
10026         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
10027
10028 2009-01-18  Richard Guenther  <rguenther@suse.de>
10029
10030         PR tree-optimization/38819
10031         * tree-flow.h (operation_could_trap_helper_p): Declare.
10032         * tree-eh.c (operation_could_trap_helper_p): Export.
10033         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
10034         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
10035         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
10036         are about to insert a possibly trapping instruction and fail
10037         in this case.
10038
10039 2009-01-18  Andreas Schwab  <schwab@suse.de>
10040
10041         * doc/install.texi (Configuration): Remove obsolete paragraph
10042         about use of --with-gnu-ld with --with-gnu-as.
10043
10044 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
10045
10046         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
10047         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
10048         Follow spelling conventions.
10049
10050 2009-01-18  Ben Elliston  <bje@au.ibm.com>
10051
10052         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
10053         C++ warning about implicit conversion from void * to struct
10054         bitmap_head_def *.
10055         (bitmap_obstack_free): Likewise for bitmap_element *.
10056         * Makefile.in (bitmap.o-warn): Remove.
10057
10058 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
10059
10060         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
10061
10062 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
10063             Tobias Grosser  <tobi.grosser@amd.com>
10064
10065         * graphite.c (graphite_trans_scop_block): Do not block single
10066         nested loops.
10067
10068 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
10069
10070         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
10071         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
10072         test with assertion.
10073
10074 2009-01-16  Richard Guenther  <rguenther@suse.de>
10075
10076         PR tree-optimization/38835
10077         PR middle-end/36227
10078         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
10079         and INT + PTR -> (INT)(PTR p+ INT) folding.
10080         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
10081
10082 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
10083
10084         PR target/38554
10085         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
10086         the subreg from a lowpart subreg if it is also casting the value.
10087
10088 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10089             Tobias Grosser  <tobi.grosser@amd.com>
10090
10091         * graphite.c (compare_prefix_loops): New.
10092         (build_scop_canonical_schedules): Rewritten.
10093         (graphite_transform_loops): Move build_scop_canonical_schedules
10094         after build_scop_iteration_domain.
10095
10096 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10097             Tobias Grosser  <tobi.grosser@amd.com>
10098
10099         * graphite.c (add_conditions_to_domain): Add the loops to
10100         the dimension of the iteration domain.  Do copy the domain
10101         only when it exists.
10102         (build_scop_conditions_1): Do not call add_conditions_to_domain.
10103         (add_conditions_to_constraints): New.
10104         (can_generate_code_stmt, can_generate_code): Removed.
10105         (gloog): Do not call can_generate_code.
10106         (graphite_transform_loops): Call add_conditions_to_constraints
10107         after building the iteration domain.
10108
10109 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
10110
10111         PR tree-optimization/38789
10112         * tree-ssa-threadedge.c
10113         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
10114         __builtin_constant_p.
10115
10116 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
10117
10118         * dce.c (delete_unmarked_insns): Reversed the order that insns are
10119         examined before deleting them.
10120
10121 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
10122
10123         * function.c (aggregate_value_p): Correctly extract the function
10124         type from CALL_EXPR_FN lookup.
10125
10126 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
10127
10128         * config/picochip/picochip.c (picochip_override_options): Revert
10129         CFI asm flag disable commited previously.
10130
10131 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
10132             Tobias Grosser  <tobi.grosser@amd.com>
10133             Jan Sjodin  <jan.sjodin@amd.com>
10134
10135         * graphite.c (scan_tree_for_params): On substractions negate
10136         all the coefficients of the term.
10137         (clast_to_gcc_expression_red): New.  Handle reduction expressions
10138         of more than two operands.
10139         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
10140         (get_vdef_before_scop): Handle also the case of default definitions.
10141
10142 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
10143
10144         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
10145         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
10146         Also use them when walking CALL_INSN_FUNCTION_USAGE.
10147
10148 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
10149             Joey Ye  <joey.ye@intel.com>
10150
10151         PR middle-end/37843
10152         * cfgexpand.c (expand_stack_alignment): Don't update stack
10153         boundary nor check incoming stack boundary here.
10154         (gimple_expand_cfg): Update stack boundary and check incoming
10155         stack boundary here.
10156
10157 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
10158
10159         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
10160
10161 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
10162
10163         PR rtl-optimization/38245
10164         * calls.c (expand_call): Add stack arguments to
10165         CALL_INSN_FUNCTION_USAGE even for pure calls (when
10166         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
10167         in regs and partially in memory or BLKmode arguments.
10168         (emit_library_call_value_1): Add stack arguments to
10169         CALL_INSN_FUNCTION_USAGE even for pure calls (when
10170         ACCUMULATE_OUTGOING_ARGS).
10171         * dce.c: Include tm_p.h.
10172         (find_call_stack_args): New function.
10173         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
10174         argument.
10175         (mark_insn): Call find_call_stack_args for CALL_Ps.
10176         (prescan_insns_for_dce): Walk insns backwards in bb rather than
10177         forwards.  Allocate and free arg_stores bitmap if needed, pass it
10178         down to deletable_insn_p, don't mark stores set in arg_stores
10179         bitmap, clear the bitmap at the beginning of each bb.
10180         * Makefile.in (dce.o): Depend on $(TM_P_H).
10181
10182 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
10183
10184         PR target/22599
10185         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
10186         to make sure the insn is a conditional test (bug 22599).  Reformat a
10187         few long lines.
10188
10189 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
10190
10191         PR middle-end/38431
10192         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
10193         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
10194         (gloog): Do not call cleanup_tree_cfg.
10195         (graphite_transform_loops): Call cleanup_tree_cfg after all
10196         scops have been code generated.
10197
10198 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
10199         * doc/gty.texi (Invoking the garbage collector): Added new node
10200         and section documenting ggc_collect.
10201
10202 2009-01-14  Richard Guenther  <rguenther@suse.de>
10203
10204         PR tree-optimization/38826
10205         PR middle-end/38477
10206         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
10207         initialization notes only if we actually emitted a warning.
10208         (intra_create_variable_infos): Add constraints for a result decl
10209         that is passed by hidden reference.
10210         (build_pred_graph): Mark all related variables non-direct on
10211         address-taking.
10212
10213 2009-01-14  Nick Clifton  <nickc@redhat.com>
10214
10215         * ira-conflicts.c: Include addresses.h for the definition of
10216         base_reg_class.
10217         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
10218         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
10219
10220 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
10221
10222         PR target/38811
10223         * Makefile.in (ira-lives.o): Add except.h.
10224
10225         * ira-lives.c: Include except.h.
10226         (process_bb_node_lives): Process can_throw_internal.
10227
10228 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
10229
10230         PR rtl-optimization/38774
10231         * combine.c (simplify_set): When undoing cc_use change, don't do
10232         PUT_CODE on the newly created comparison, but instead put back the
10233         old comparison.
10234
10235 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
10236
10237         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
10238         values.  Remove duplicate arm8 entry.
10239
10240 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
10241
10242         PR tree-optimization/38786
10243         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
10244         the SSA_NAME case of expand_scalar_variables_expr.
10245         Set the type of an expression to the type of its assign statement.
10246         (expand_scalar_variables_expr): Also gather the scalar computation
10247         used to index the memory access.  Do not pass loop_p.
10248         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
10249         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
10250         the gimple_stmt_iterator where it inserts new code.
10251         Do not pass loop_p.
10252         (copy_bb_and_scalar_dependences): Do not pass loop_p.
10253         (translate_clast): Update call to copy_bb_and_scalar_dependences.
10254
10255 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
10256
10257         * graphite.h (debug_value): Removed.
10258         * graphite.c (debug_value): Removed.
10259
10260 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
10261
10262         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
10263         ldrd/strd with two 32-bit instructions.
10264
10265 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
10266
10267         * config/arm/arm.c (struct processors): Pass for speed down into
10268         cost helper functions.
10269         (const_ok_for_op): Handle COMPARE and inequality nodes.
10270         (arm_rtx_costs_1): Rewrite.
10271         (arm_size_rtx_costs): Update prototype.
10272         (arm_rtx_costs): Pass speed down to helper functions.
10273         (arm_slowmul_rtx_costs): Rework cost calculations.
10274         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
10275         (arm_9e_rtx_costs): Likewise.
10276
10277 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
10278
10279         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
10280         relocations of local symbols wider than UNITS_PER_WORD are not valid.
10281         (alpha_legitimize_address): Do not split local symbols wider than
10282         UNITS_PER_WORD into HIGH/LO_SUM parts.
10283
10284 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
10285
10286         PR bootstrap/38580
10287         * gcc.c (process_command): Replace call to execvp with calls
10288         to pex_one and exit.
10289
10290 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
10291
10292         PR target/29141
10293         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
10294         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
10295         variant for devices with 3-byte PC.
10296         (__tablejump_elpm__): New.
10297
10298 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
10299
10300         PR c/32041
10301         * c-parser.c (c_parser_postfix_expression): Allow `->' in
10302         offsetof member-designator, handle it as `[0].'.
10303
10304 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10305
10306         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
10307         function when not using named sections on targets with named sections
10308         if branch distance is less than 262132.
10309
10310 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
10311
10312         * combine.c (combine_instructions):  Recompute
10313         optimize_this_for_speed_p  for each BB in the main combine loop.
10314
10315 2009-01-12  Tomas Bily  <tbily@suse.cz>
10316
10317         PR middlend/38385
10318         * tree-loop-distribution.c (prop_phis): New function.
10319         (generate_builtin): Call prop_phis.
10320         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
10321
10322 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
10323
10324         PR tree-optimization/38807
10325         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
10326         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
10327
10328 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
10329
10330         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
10331         subreg of op0 to the original op0.
10332
10333 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
10334
10335         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
10336
10337 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
10338
10339         PR debug/7055
10340         * mips-tfile.c (parse_def): Fix parsing of def strings
10341         starting with digits.
10342
10343 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
10344
10345         PR target/38695
10346         * config/arm/arm.c (arm_is_long_call_p): Don't call
10347         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
10348
10349 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
10350
10351         * regrename.c (regrename_optimize): Fix dumping.
10352         (find_oldest_value_reg): Preserve REG_POINTER.
10353         (copy_hardreg_forward_1): Likewise.
10354
10355 2009-01-09  Diego Novillo  <dnovillo@google.com>
10356
10357         * gimple.h (struct gimple_statement_base) <uid>: Document
10358         the restrictions on its use.
10359         (gimple_uid): Tidy.
10360         (gimple_set_uid): Tidy.
10361
10362 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
10363
10364         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
10365         zero guard even if align_bytes != 0 and count is smaller than
10366         size_needed.
10367
10368 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
10369
10370         PR rtl-optimization/38495
10371         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
10372         (add_range_and_copies_from_move_list): Print all added ranges.
10373         Add ranges to memory optimized destination.
10374
10375 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
10376
10377         PR target/38686
10378         PR target/38708
10379         * config/i386/i386.c (override_options): Reject
10380         -mstringop-strategy=rep_8byte with -m32.
10381         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
10382         to 1.  Do count comparison against epilogue_size_needed at compile
10383         time even when count_exp was constant forced into register.  For
10384         size_needed don't jump to epilogue, instead just avoid aligning
10385         and invoke the body algorithm.  If need_zero_guard, add zero guard
10386         even if count is non-zero, but smaller than size_needed + number of
10387         bytes that could be stored for alignment.
10388         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
10389         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
10390         but smaller than size_needed + number of bytes that could be stored
10391         for alignment.  Compare size_needed with epilogue_size_needed instead
10392         of desired_align - align, don't adjust size_needed, pass
10393         epilogue_size_needed to the epilogue expanders.
10394
10395         PR c/35742
10396         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
10397
10398 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10399
10400         * pa.c (last_address): Change to unsigned.
10401         (update_total_code_bytes): Change argument to unsigned.  Don't
10402         check if insn addresses are set.
10403         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
10404         addresses are not set.
10405         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
10406
10407 2009-01-09  Nick Clifton  <nickc@redhat.com>
10408
10409         * config/sh/symbian.c: Replace uses of DECL_INLINE with
10410         DECL_DECLARED_INLINE_P.
10411
10412 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
10413
10414         PR middle-end/38347
10415         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
10416         GET_MODE (op0) in operand_subword_force calls.
10417
10418         PR middle-end/38771
10419         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
10420         fold_convert arg0 operands to TREE_TYPE (op0) first.
10421
10422 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
10423
10424         * params.def (ira-max-conflict-table-size): Decrease default value
10425         to 1000.
10426
10427 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
10428
10429         PR tree-optimization/37031
10430         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
10431         on parameter_set.
10432         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
10433         allocate it using gc instead of heap, use VEC_quick_push instead of
10434         VEC_safe_push.
10435         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
10436         instead of heap, use VEC_quick_push instead of VEC_safe_push.
10437         * tree-data-ref.h (struct access_matrix): Change matrix to gc
10438         allocated vector from heap allocated.
10439         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
10440         * tree-loop-linear.c (linear_transform_loops): Allocate nest
10441         vector only after perfect_loop_nest_depth call.
10442
10443 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
10444             Jan Sjodin  <jan.sjodin@amd.com>
10445
10446         PR tree-optimization/38559
10447         * graphite.c (debug_value, copy_constraint,
10448         swap_constraint_variables, scale_constraint_variable, ): New.
10449         (get_lower_bound, get_upper_bound): Removed.
10450         (graphite_trans_bb_strip_mine): Clean up this code that works
10451         only for constant number of iterations.  Fully copy upper and
10452         lower bound constraints, not only the constant part of them.
10453         * graphite.h (debug_value): Declared.
10454
10455 2009-01-08  Ira Rosen  <irar@il.ibm.com>
10456
10457         PR tree-optimization/37194
10458         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
10459         Don't add the cost of cost model guard in prologue to scalar
10460         outside cost in case of known number of iterations.
10461
10462 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
10463             Alan Modra  <amodra@bigpond.net.au>
10464
10465         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
10466         non-word-aligned REG+CONST addressing.
10467
10468 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
10469
10470         PR target/38706
10471         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
10472         free_after_compilation when outputting a thunk.
10473         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
10474         Do not call free_after_compilation here.
10475
10476 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
10477
10478         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
10479         (ix86_valid_target_attribute_inner_p): Ditto.
10480
10481 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
10482
10483         PR tree-optimization/38492
10484         PR tree-optimization/38498
10485         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
10486         * tree-chrec.h (scev_is_linear_expression): Declared.
10487         * graphite.c (graphite_cannot_represent_loop_niter): New.
10488         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
10489         (graphite_loop_normal_form): Use gcc_assert.
10490         (scan_tree_for_params): Use CASE_CONVERT.
10491         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
10492         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
10493         Use gcc_assert.  Discard scops that contain unhandled cases.
10494         (build_scop_conditions): Return a boolean status for unhandled cases.
10495         (strip_mine_profitable_p): Print the loop number, not its depth.
10496         (is_interchange_valid): Pass the depth of the loop nest, don't
10497         recompute it wrongly.
10498         (graphite_trans_bb_block): Same.
10499         (graphite_trans_bb_block): Print tentative of loop blocking.
10500         (graphite_trans_scop_block): Do not print that the loop has been
10501         blocked.
10502         (graphite_transform_loops): Do not handle scops that contain condition
10503         scalar phi nodes.
10504
10505 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
10506
10507         AVX Programming Reference (December, 2008)
10508         * config/i386/avxintrin.h (_mm256_stream_si256): New.
10509         (_mm256_stream_pd): Likewise.
10510         (_mm256_stream_ps): Likewise.
10511
10512         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
10513         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
10514         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
10515         (bdesc_special_args): Add __builtin_ia32_movntdq256,
10516         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
10517         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
10518         (ix86_expand_special_args_builtin): Likewise.
10519
10520         * config/i386/sse.md (AVXMODEDI): New.
10521         (avx_movnt<mode>): Likewise.
10522         (avx_movnt<mode>): Likewise.
10523         (<sse>_movnt<mode>): Remove AVX support.
10524         (sse2_movntv2di): Likewise.
10525
10526 2009-01-07  Richard Guenther  <rguenther@suse.de>
10527
10528         PR middle-end/38751
10529         * fold-const.c (extract_muldiv): Remove obsolete comment.
10530         (fold_plusminus_mult_expr): Undo MINUS_EXPR
10531         to PLUS_EXPR canonicalization for the canonicalization.
10532
10533 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
10534
10535         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
10536         hosted cross-compilers generating less efficient code.
10537
10538 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
10539
10540         * function.h (rtl_data): Add a dbr_scheduled_p field.
10541         * reorg.c (dbr_schedule): Set it.
10542         (gate_handle_delay_slots): Check it.
10543         * config/mips/mips.c (mips_base_delayed_branch): Delete.
10544         (mips_reorg): Check flag_delayed_branch instead of
10545         mips_base_delayed_branch.
10546         (mips_override_options): Don't set mips_base_delayed_branch
10547         or flag_delayed_branch.
10548
10549 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
10550
10551         PR rtl-optimization/38426.
10552         * ira.c (ira): Set current_function_is_leaf earlier.
10553
10554 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
10555
10556         PR rtl-optimization/38722
10557         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
10558         too early, only set a flag and modify after last possible
10559         undo_all point.
10560
10561 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
10562
10563         PR c/34252
10564         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
10565         * real.c (decimal_single_format): Correct values of emin and emax.
10566         (decimal_double_format): Ditto.
10567         (decimal_quad_format): Ditto.
10568         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
10569         computation of DECnn_MIN and DECnn_MAX for corrected values of
10570         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
10571         __DECnn_MIN__, and adjust its computation for the corrected value
10572         of emin.
10573
10574 2009-01-06  Jan Hubicka  <jh@suse.cz>
10575
10576         PR target/38744
10577         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
10578
10579 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
10580
10581         * doc/contrib.texi (Contributors): Slightly adjust the end note.
10582         Add Robert Clark to the list of testers.
10583
10584 2009-01-06  Jan Hubicka  <jh@suse.cz>
10585             Kai Tietz  <kai.tietz@onevision.com>
10586
10587         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
10588         * config/i386/i386.c (ix86_expand_call): Add clobbers.
10589
10590 2009-01-06  Jan Hubicka  <jh@suse.cz>
10591             Kai Tietz  <kai.tietz@onevision.com>
10592
10593         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
10594         for w64 ABI.
10595         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
10596         (ix86_nsaved_regs): Count only general purpose regs.
10597         (ix86_nsaved_sseregs): New.
10598         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
10599         to 16 for w64; compute padding and size of sse reg save area.
10600         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
10601         general purpose regs.
10602         (ix86_emit_save_sse_regs_using_mov): New.
10603         (ix86_expand_prologue): Save SSE regs if needed.
10604         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
10605         (ix86_emit_restore_sse_regs_using_mov): New.
10606         (ix86_expand_epilogue): Save SSE regs if needed.
10607
10608 2009-01-06  Jan Hubicka  <jh@suse.cz>
10609             Kai Tietz  <kai.tietz@onevision.com>
10610
10611         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
10612         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
10613         functions when accumulate outgoing args is off.
10614
10615 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
10616
10617         PR bootstrap/38742
10618         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
10619         before using pseudos_have_intersected_live_ranges_p.
10620
10621         * ira-int.h (ira_assert): Always define.
10622
10623 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
10624
10625         AVX Programming Reference (December, 2008)
10626         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
10627         (_mm256_permute2_pd): Likewise.
10628         (_mm_permute2_ps): Likewise.
10629         (_mm256_permute2_ps): Likewise.
10630         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
10631         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
10632
10633         * config/i386/i386.c (ix86_builtins): Remove
10634         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
10635         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
10636         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
10637         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
10638         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
10639         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
10640         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
10641         __builtin_ia32_vpermil2ps256.
10642         (ix86_init_mmx_sse_builtins): Updated.
10643         (ix86_expand_args_builtin): Likewise.
10644
10645 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10646
10647         * pa.c (output_call): Relocate non-jump insns in the delay slot of
10648         long absolute calls when generating PA 2.0 code.
10649
10650 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
10651
10652         PR rtl-optimization/38583
10653         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
10654
10655         * params.def (ira-max-conflict-table-size): New.
10656
10657         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
10658
10659         * ira.h (ira_conflicts_p): New external definition.
10660
10661         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
10662         table.  Report this.  Return result of building.
10663         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
10664         building conflict table.
10665
10666         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
10667         (ira_color): Use ira_conflicts_p.
10668
10669         * global.c: Include ira.h.
10670         (pseudo_for_reload_consideration_p, build_insn_chain): Use
10671         ira_conflicts_p.
10672
10673         * Makefile.in (global.o): Add ira.h.
10674
10675         * ira-build.c (mark_all_loops_for_removal,
10676         propagate_some_info_from_allocno): New.
10677         (remove_unnecessary_allocnos): Call
10678         propagate_some_info_from_allocno.
10679         (remove_low_level_allocnos): New.
10680         (remove_unnecessary_regions): Add parameter.  Call
10681         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
10682         parameter to remove_unnecessary_regions.
10683         (ira_build): Remove all regions but root if the conflict table was
10684         not built.  Update conflict hard regs for allocnos crossing calls.
10685
10686         * ira.c (ira_conflicts_p): New global.
10687         (ira): Define and use ira_conflicts_p.
10688
10689         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
10690         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
10691         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
10692
10693 2009-01-06  Ben Elliston  <bje@au.ibm.com>
10694
10695         * gengtype-lex.l (YY_NO_INPUT): Define.
10696
10697 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10698
10699         PR c/34911
10700         * c-common.c (handle_vector_size_attribute): Also reject
10701         BOOLEAN_TYPE types.
10702
10703 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
10704
10705         PR tree-optimization/38492
10706         * graphite.c (rename_map_elt, debug_rename_elt,
10707         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
10708         rename_map_elt_info, eq_rename_map_elts,
10709         get_new_name_from_old_name, bb_in_sese_p): Moved around.
10710         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
10711         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
10712         (sese_build_livein_liveouts): New.
10713         (new_sese, free_sese): New.
10714         (new_scop): Call new_sese.
10715         (free_scop): Call free_sese.
10716         (rename_variables_from_edge, rename_phis_end_scop): Removed.
10717         (register_old_new_names): Renamed register_old_and_new_names.
10718         (register_scop_liveout_renames, add_loop_exit_phis,
10719         insert_loop_close_phis, struct igp,
10720         default_liveout_before_guard, add_guard_exit_phis,
10721         insert_guard_phis, copy_renames): New.
10722         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
10723         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
10724         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
10725         (scop_adjust_phis_for_liveouts): New.
10726         (gloog): Call scop_adjust_phis_for_liveouts.
10727
10728         * graphite.h (struct sese): Documented.  Added fields liveout,
10729         num_ver and livein.
10730         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
10731         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
10732         (struct scop): Added field liveout_renames.
10733         (SCOP_LIVEOUT_RENAMES): New.
10734
10735 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10736
10737         PR tree-optimization/38510
10738         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
10739         (translate_clast): Call recompute_all_dominators before
10740         graphite_verify.
10741         (gloog): Call recompute_all_dominators before graphite_verify.
10742
10743 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10744             Jan Sjodin  <jan.sjodin@amd.com>
10745
10746         PR tree-optimization/38500
10747         * graphite.c (create_sese_edges): Call fix_loop_structure after
10748         splitting blocks.
10749
10750 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
10751
10752         * config.gcc: Add m32r*-*-rtems*.
10753         * config/m32r/rtems.h: New file.
10754
10755 2009-01-05  Ben Elliston  <bje@au.ibm.com>
10756
10757         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
10758         (.po.pox): Likewise.
10759         (po/gcc.pot): Likewise.
10760
10761 2009-01-04  David S. Miller  <davem@davemloft.net>
10762
10763         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
10764         (STARTING_FRAME_OFFSET): Always set to zero.
10765
10766 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
10767
10768         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
10769         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
10770         fixed-point types, and vectors of the same.
10771
10772 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
10773
10774         * config/mips/sync.md (*mb_barrier): Rename to...
10775         (*memory_barrier): ...this.
10776
10777 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
10778
10779         * doc/extend.texi (Function Attributes): Move @cindex after @item
10780         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
10781         and put in alphabetical order. Fix 'target' name and put in order.
10782         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
10783         typos.
10784
10785 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
10786
10787         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
10788         (memory_barrier): Expand as unspec instead of unspec_volatile.
10789         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10790         (*memory_barrier): Define as unspec instead of unspec_volatile.
10791         Use (match_dup 0) as input operand.
10792
10793         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
10794         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
10795         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
10796         scratch register.  Remove operand 1.
10797         (*stbar): Define as unspec instead of unspec_volatile.
10798         Use (match_dup 0) as input operand, remove (const_int 8).
10799         (*membar): Define as unspec instead of unspec_volatile.
10800         Use (match_dup 0) as input operand, remove input operand 2.
10801
10802         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
10803         (memory_barrier): Expand as unspec instead of unspec_volatile.
10804         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10805         (*memory_barrier): Define as unspec instead of unspec_volatile.
10806         Use (match_dup 0) as input operand.
10807
10808         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
10809         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10810         Set volatile flag on operand 0.
10811         (*memory_barrier): New insn pattern.
10812
10813         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
10814         insn operands.
10815         (*memory_barrier): Use (match_dup 0) as input operand.
10816
10817         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
10818         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10819         Set volatile flag on operand 0.
10820         (*mb_internal): New insn pattern.
10821
10822         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
10823
10824 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
10825
10826         PR middle-end/38586
10827         * function.c (struct temp_slot): Move to the section of the file
10828         that deals with temp slots.  Remove field 'address'.
10829         (temp_slot_address_table): New hash table of address -> temp slot.
10830         (struct temp_slot_address_entry): New struct, items for the table.
10831         (temp_slot_address_compute_hash, temp_slot_address_hash,
10832         temp_slot_address_eq, insert_temp_slot_address): Support functions
10833         for the new table.
10834         (find_temp_slot_from_address): Rewrite to use the new hash table.
10835         (remove_unused_temp_slot_addresses): Remove addresses of temp
10836         slots that have been made available.
10837         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
10838         worker function for remove_unused_temp_slot_addresses.
10839         (assign_stack_temp_for_type): Don't clear the temp slot address list.
10840         Add the temp slot address to the address -> temp slot map.
10841         (update_temp_slot_address): Update via insert_temp_slot_address.
10842         (free_temp_slots): Call remove_unused_temp_slot_addresses.
10843         (pop_temp_slots): Likewise.
10844         (init_temp_slots): Allocate the address -> temp slot map, or empty
10845         the map if it is already allocated.
10846         (prepare_function_start): Initialize temp slot processing.
10847
10848 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
10849
10850         PR middle-end/38584
10851         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
10852         Calculate the size of all stack vars assuming no packing of stack
10853         vars will happen, replacing a quadratic algorithm with a linear one.
10854
10855 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
10856
10857         PR target/38707
10858         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
10859         can't be used.
10860
10861 2009-01-03  Diego Novillo  <dnovillo@google.com>
10862
10863         * doc/contrib.texi: Update contributions.
10864
10865 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
10866
10867         PR c++/38705
10868         * builtins.c (fold_builtin_memory_op): Give up if either operand
10869         is volatile.  Set srctype or desttype to non-qualified version
10870         of the other type.
10871
10872         PR c/38700
10873         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
10874         and FUNCTION_DECLs.
10875
10876 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
10877
10878         PR rtl-optimization/35805
10879         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
10880         problem if fast dce is able to remove any instructions.
10881         * dce.c (dce_process_block): Fix dump message.
10882
10883 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
10884
10885         PR 33649
10886         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
10887
10888 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
10889
10890         PR middle-end/38690
10891         * tree-flow.h (op_code_prio, op_prio): New prototypes.
10892         * tree-pretty-print.c (op_code_prio): New function.
10893         (op_prio): No longer static.  Use op_code_prio.
10894         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
10895         Use op_prio and op_code_prio to determine if () should be
10896         printed around operand(s) or not.
10897
10898         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
10899         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
10900         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
10901         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
10902         pp_character instead of pp_string for single letter printing.
10903
10904 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
10905
10906         * doc/extend.texi: Fix '#pragma GCC option' typo.
10907
10908 2009-01-02  Richard Guenther  <rguenther@suse.de>
10909
10910         * doc/install.texi (--enable-checking): Mention different
10911         default for stage1.
10912         (--enable-stage1-checking): Document.
10913
10914 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
10915
10916         PR middle-end/30142
10917         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
10918         case to be an error.
10919
10920 2009-01-02  Ben Elliston  <bje@au.ibm.com>
10921
10922         * config/fp-bit.h (pack_d): Constify argument.
10923         * config/fp-bit.c (makenan): Constify return type. Remove casts.
10924         (isnan): Constify argument.
10925         (isinf): Likewise.
10926         (iszero): Likewise.
10927         (pack_d): Likewise.
10928         (_fpadd_parts): Constify return type.
10929         (_fpmul_parts): Likewise.
10930         (_fpdiv_parts): Likewise.
10931
10932 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
10933
10934         PR c/36489
10935         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
10936         warn about overwriting initializer with side-effects or
10937         -Woverride-init if !IMPLICIT.
10938         (output_init_element): Likewise.  Pass IMPLICIT down to
10939         add_pending_init.
10940         (process_init_element): Add IMPLICIT argument.  Pass it down
10941         to output_init_element.
10942         (push_init_element, pop_init_level, set_designator): Adjust
10943         process_init_element callers.
10944         (set_nonincremental_init, set_nonincremental_init_from_string):
10945         Adjust add_pending_init callers.
10946         (output_pending_init_elements): Adjust output_init_element callers.
10947         * c-tree.h (process_init_element): Adjust prototype.
10948         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
10949         process_init_element callers.
10950
10951 \f
10952 Copyright (C) 2009 Free Software Foundation, Inc.
10953
10954 Copying and distribution of this file, with or without modification,
10955 are permitted in any medium without royalty provided the copyright
10956 notice and this notice are preserved.