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2009-05-11 Paolo Bonzini <bonzini@gnu.org>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
2
3         PR tree-optimization/40026
4         * gimplify.c (gimplify_init_constructor): Change initial conditional
5         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
6         optimize_compound_literals_in_ctor.
7
8 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
9
10         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
11         New devices.
12         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
13
14 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
15
16         * tree-vect-data-refs.c (vect_analyze_group_access): Use
17         HOST_WIDE_INT for gap.
18
19 2009-05-11  Ira Rosen  <irar@il.ibm.com>
20
21         PR tree-optimization/40074
22         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
23         account in group size and step comparison.
24
25 2009-05-11  Richard Guenther  <rguenther@suse.de>
26
27         * passes.c (init_optimization_passes): Strip now incorrect comment.
28         (execute_function_todo): Do not set PROP_alias.
29         * tree-pass.h (PROP_alias): Remove.
30         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
31         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
32         * tree-nrv.c (pass_return_slot): Likewise.
33         * tree-object-size.c (pass_object_sizes): Likewise.
34         * tree-ssa-dom.c (pass_dominator): Likewise.
35         (pass_phi_only_cprop): Likewise.
36         * tree-ssa-dse.c (pass_dse): Likewise.
37         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
38         (pass_cselim): Likewise.
39         * tree-ssa-pre.c (pass_pre): Likewise.
40         (pass_fre): Likewise.
41         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
42         * tree-ssa-sink.c (pass_sink_code): Likewise.
43         * tree-stdarg.c (pass_stdarg): Likewise.
44         * tree-tailcall.c (pass_tail_calls): Likewise.
45         * tree-vrp.c (pass_vrp): Likewise.
46
47 2009-05-10  Ian Lance Taylor  <iant@google.com>
48
49         * basic-block.h (enum profile_status): Break out of struct
50         control_flow_graph.
51         * cgraph.h (struct inline_summary): Break out of struct
52         cgraph_local_info.
53         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
54         of struct cgraph_order_sort.
55         * combine.c (enum undo_kind): New enum, broken out of struct
56         undo.
57         * cse.c (struct branch_path): Break out of struct
58         cse_basic_block_data.
59         * except.h (enum eh_region_type): Break out of struct eh_region.
60         * gcc.c (enum add_del): Break out of struct modify_target.
61         * genrecog.c (enum decision_type): Break out of struct
62         decision_test.
63         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
64         ggc_pch_data.
65         * matrix-reorg.c (struct free_info): Break out of struct
66         matrix_info.
67         * regmove.c (enum match_use): New enum, broken out of struct
68         match.
69         * sched-int.h (enum post_call_group): New enum, broken out of
70         struct deps.
71         (struct deps_reg): Break out of struct deps.
72         * target.h (struct asm_int_op): Break out of struct gcc_target.
73         * tree-eh.c (struct goto_queue_node): Break out of struct
74         leh_tf_state.
75         * tree-inline.h (enum copy_body_cge_which): Break out of
76         copy_body_data.
77         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
78
79         * c-decl.c (in_struct, struct_types): New static variables.
80         (pushtag): Add loc parameter.  Change all callers.
81         (lookup_tag): Add ploc parameter.  Change all callers.
82         (check_compound_literal_type): New function.
83         (parser_xref_tag): Add loc parameter.  Change all callers.  If
84         -Wc++-compat, warn about struct/union/enum types defined within a
85         struct or union.
86         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
87         and loc parameters.  Change all callers.  Change error calls to
88         error_at, using loc.  For a redefinition, if the location of the
89         original definition is known, report it.  Set in_struct and
90         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or
91         alignof.
92         (finish_struct): Add new parameters enclosing_in_struct and
93         enclosing_struct_types.  Change all callers.  Set
94         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
95         in the struct.  If in a struct, add this struct to struct_types.
96         (start_enum): Add loc parameter.  Change all callers.  Use
97         error_at for errors, using loc.  For a redefinition, if the
98         location of the original definition is known, report it.  If in a
99         struct, add this enum type to struct_types.  If -Wc++-compat warn
100         if in sizeof, typeof, or alignof.
101         * c-parser.c (disable_extension_diagnostics): Disable
102         -Wc++-compat.
103         (enable_extension_diagnostics): Reenable -Wc++-compat if
104         appropriate.
105         (c_parser_enum_specifier): Get enum location for start_enum.
106         (c_parser_struct_or_union_specifier): Get struct location for
107         start_struct.  Save in_struct and struct_types status between
108         start_struct and finish_struct.
109         (c_parser_cast_expression): Get location of cast.
110         (c_parser_alignof_expression): Get location of type.
111         (c_parser_postfix_expression): Likewise.
112         (c_parser_postfix_expression_after_paren_type): Add type_loc
113         parameter.  Change all callers.  Call
114         check_compound_literal_type.  Use type_loc for error about
115         variable size type.
116         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a
117         use of an enum constant from an enum type defined in a struct or
118         union.
119         (c_cast_expr): Add loc parameter.  Change all callers.  If
120         -Wc++-compat, warn about defining a type in a cast.
121         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
122         (start_enum, start_struct, finish_struct): Update declarations.
123         (parser_xref_tag, c_cast_expr): Update declarations.
124         (check_compound_literal_type): Declare.
125
126 2009-05-11  Ben Elliston  <bje@au.ibm.com>
127
128         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
129         for recent libcpp interface change.
130         (rs6000_macro_to_expand): Likewise.
131
132 2009-05-10  Michael Matz  <matz@suse.de>
133
134         PR target/40031
135         * config/arm/arm.c (require_pic_register): Emit on entry edge,
136         not at entry of function.
137
138 2009-05-10  Richard Guenther  <rguenther@suse.de>
139
140         PR tree-optimization/40081
141         Revert
142         * tree-sra.c (instantiate_element): Instantiate scalar replacements
143         using the main variant of the element type.  Do not fiddle with
144         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
145
146         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
147         structs with volatile fields.
148
149 2009-05-10  Jan Hubicka  <jh@suse.cz>
150
151         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
152         (estimate_move_cost): Assert that it does not get called for VOID_TYPE_P.
153         (estimate_num_insns): Skip VOID types in argument handling.
154         (optimize_inline_calls): Delete unreachable blocks and verify that
155         callgraph is valid.
156
157 2009-05-10  Jan Hubicka  <jh@suse.cz>
158
159         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
160         * cgraph.c (cgraph_mark_address_taken_node): New function.
161         (dump_cgraph_node): Dump new flag.
162         * cgraph.h (struct cgraph_node): Add address_taken.
163         (cgraph_mark_address_taken_node): New function.
164         * ipa.c (cgraph_postorder): Prioritize functions with address taken
165         since new direct calls can be born.
166
167 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
168
169         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
170         tok->val.node.node.
171
172 2009-05-10  Jan Hubicka  <jh@suse.cz>
173
174         PR middle-end/40084
175         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
176         argument; rewrite.
177         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
178         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
179         * tree-inline.c (copy_bb): Set frequency correctly.
180         (fold_marked_statements): Update call to
181         cgraph_update_edges_for_call_stmt.
182
183 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
184
185         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
186         identifiers in diagnostics.
187         * config/arm/arm.c (arm_handle_fndecl_attribute,
188         arm_handle_isr_attribute): Likewise.
189         * config/avr/avr.c (avr_handle_progmem_attribute,
190         avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
191         Likewise.
192         * config/bfin/bfin.c (handle_int_attribute,
193         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
194         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
195         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
196         Likewise.
197         * config/darwin.c (darwin_handle_kext_attribute,
198         darwin_handle_weak_import_attribute): Likewise.
199         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
200         h8300_handle_eightbit_data_attribute,
201         h8300_handle_tiny_data_attribute): Likewise.
202         * config/i386/i386.c (ix86_handle_cconv_attribute,
203         ix86_handle_abi_attribute, ix86_handle_struct_attribute):
204         Likewise.
205         * config/i386/winnt.c (ix86_handle_shared_attribute,
206         ix86_handle_selectany_attribute): Likewise.
207         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
208         * config/m32c/m32c.c (function_vector_handler): Likewise.
209         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
210         m68hc11_handle_fntype_attribute): Likewise.
211         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
212         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
213         * config/mips/mips.c (mips_insert_attributes,
214         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
215         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
216         rs6000_handle_struct_attribute): Likewise.
217         * config/sh/sh.c (sh_insert_attributes,
218         sh_handle_resbank_handler_attribute,
219         sh_handle_interrupt_handler_attribute,
220         sh2a_handle_function_vector_handler_attribute,
221         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
222         Likewise.
223         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
224         * config/spu/spu.c (spu_handle_fndecl_attribute,
225         spu_handle_vector_attribute): Likewise.
226         * config/stormy16/stormy16.c
227         (xstormy16_handle_interrupt_attribute): Likewise.
228         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
229         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
230
231 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
232
233         * pretty-print.h (struct pretty_print_info): Add
234         translate_identifiers.
235         (pp_translate_identifiers): New.
236         (pp_identifier): Only conditionally translate identifier to locale
237         character set.
238         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
239         (pp_base_tree_identifier): Only conditionally translate identifier
240         to locale character set.
241         * c-pretty-print.c (M_): Define.
242         (pp_c_type_specifier, pp_c_primary_expression): Mark English
243         fragments for conditional translation with M_.
244         * tree-pretty-print.c (maybe_init_pretty_print): Disable
245         identifier translation.
246
247 2009-05-10  Richard Guenther  <rguenther@suse.de>
248
249         PR tree-optimization/40081
250         * tree-sra.c (instantiate_element): Instantiate scalar replacements
251         using the main variant of the element type.  Do not fiddle with
252         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
253
254 2009-05-09  Jan Hubicka  <jh@suse.cz>
255
256         PR middle-end/40080
257         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
258         indirect calls; verify cgraph afterwards.
259
260 2009-05-09  Jan Hubicka  <jh@suse.cz>
261
262         PR bootstrap/40082
263         * ipa.c (update_inlined_to_pointer): New function.
264         (cgraph_remove_unreachable_nodes): Use it.
265
266 2009-05-09  Jan Hubicka  <jh@suse.cz>
267
268         * tree-eh.c (struct leh_state): Remove prev_try.
269         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
270         not track prev_try.
271         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
272         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
273         remove_eh_handler_and_replace, foreach_reachable_handler,
274         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
275         * except.h (struct eh_region): Remove eh_region_u_cleanup.
276         (gen_eh_region_cleanup): Update prototype.
277
278 2009-05-09  Jan Hubicka  <jh@suse.cz>
279
280         PR middle-end/40043
281         * except.c (copy_eh_region): Always set prev_try.
282         (redirect_eh_edge_to_label): Find outer try.
283         (foreach_reachable_handler): When looking for prev try
284         handle case where previous try is not going to be taken.
285
286 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
287
288         PR tree-optimization/40049
289         * tree-vect-stmts.c (vectorizable_operation): If the machine has
290         only vector/vector shifts, convert the type of the constant to the
291         appropriate type to avoid building incorrect trees, which
292         eventually have problems with garbage collection.
293
294 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
295
296         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
297         -1 for complex floating-point types if honoring signed zeros.
298
299 2009-05-08  Jan Hubicka  <jh@suse.cz>
300
301         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
302         argument; handle correctly when profile is absent.
303         (build_cgraph_edges): Update.
304         (rebuild_cgraph_edges): Update.
305         * cgraph.c: Do not include varray.h.
306         (cgraph_set_call_stmt_including_clones): New function.
307         (cgraph_create_edge_including_clones): Likewise
308         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
309         (cgraph_update_edges_for_call_stmt): Handle clones.
310         (cgraph_remove_node): Handle clone tree.
311         (cgraph_remove_node_and_inline_clones): New function.
312         (dump_cgraph_node): Dump clone tree.
313         (cgraph_clone_node): Handle clone tree.
314         (clone_function_name): Bring here from tree-inline.c.
315         (cgraph_create_virtual_clone): New function.
316         * cgraph.h (ipa_replace_map): Move here from ipa.h.
317         (cgraph_clone_info): New function.
318         (strut cgraph_node): Add clone_info and new clone tree pointers.
319         (cgraph_remove_node_and_inline_clones,
320         cgraph_set_call_stmt_including_clones,
321         cgraph_create_edge_including_clones,
322         cgraph_create_virtual_clone): Declare.
323         (cgraph_function_versioning): Use VEC argument.
324         (compute_call_stmt_bb_frequency): Update prototype.
325         (cgraph_materialize_all_clones): New function.
326         * ipa-cp.c (ipcp_update_cloned_node): Remove.
327         (ipcp_create_replace_map): Update to VECtors.
328         (ipcp_update_callgraph): Use virtual clones.
329         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
330         (ipcp_update_profiling): Do not update local profiling.
331         (ipcp_insert_stage): Use VECtors and virtual clones.
332         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
333         (clone_of_p): New function.
334         (cgraph_preserve_function_body_p): Use clone tree.
335         (cgraph_optimize): Materialize clones.
336         (cgraph_function_versioning): Update for VECtors.
337         (save_inline_function_body): Use clone tree.
338         (cgraph_materialize_clone): New function.
339         (cgraph_materialize_all_clones): Likewise.
340         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
341         * ipa.c: Include gimple.h.
342         (cgraph_remove_unreachable_nodes): Use clone tree.
343         * ipa-prop.c (ipa_note_param_call): Update call to
344         compute_call_stmt_bb_frequencycall.
345         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
346         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
347         (copy_bb): Handle updating of clone tree; add new edge when new call
348         appears.
349         (expand_call_inline): Be strict about every call having edge.
350         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
351         (delete_unreachable_blocks_update_callgraph): New function.
352         (tree_function_versioning): Use VECtors; always remove unreachable
353         blocks and fold conditionals.
354         * tree-inline.h: Do not include varray.h.
355         (tree_function_versioning): Remove.
356         * Makefile.in (GTFILES): Remove tree-inline.c
357         * passes.c (do_per_function): Do only functions having body.
358         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
359         tree.
360
361 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
362             Andrew Morrow  <acm@google.com>
363
364         PR c/36892
365         * c-common.c (c_common_attribute_table): Permit deprecated
366         attribute to take an optional argument.
367         (handle_deprecated_attribute): If the optional argument to
368         __attribute__((deprecated)) is not a string ignore the attribute
369         and emit a warning.
370
371         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
372         * c-typeck.c (build_component_ref): Likewise.
373         (build_external_ref): Likewise.
374
375         * toplev.c (warn_deprecated_use): Add an attribute argument.
376         Emit the message associated with __attribute__((deprecated)).
377
378         * toplev.h (warn_deprecated_use): Updated.
379
380         * doc/extend.texi: Document new optional parameter to
381         __attribute__((deprecated))
382
383 2009-05-08  Michael Eager <eager@eagercon.com>
384
385         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
386         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
387
388 2009-05-08  Richard Guenther  <rguenther@suse.de>
389
390         PR tree-optimization/40062
391         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
392         Avoid exponential behavior.
393
394 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
395
396         PR rtl-optimization/33928
397         PR 26854
398         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
399         process_uses, build_single_def_use_links): New.
400         (update_df): Update use_def_ref.
401         (forward_propagate_into): Use get_def_for_use instead of use-def
402         chains.
403         (fwprop_init): Call build_single_def_use_links and let it initialize
404         dataflow.
405         (fwprop_done): Free use_def_ref.
406         (fwprop_addr): Eliminate duplicate call to df_set_flags.
407         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
408         df_rd_simulate_one_insn): New.
409         (df_rd_bb_local_compute_process_def): Update head comment.
410         (df_chain_create_bb): Use the new RD simulation functions.
411         * df.h (df_rd_simulate_artificial_defs_at_top, 
412         df_rd_simulate_one_insn): New.
413         * opts.c (decode_options): Enable fwprop at -O1.
414         * doc/invoke.texi (-fforward-propagate): Document this.
415
416 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
417
418         PR c/24581
419         * c-typeck.c (build_binary_op): Handle arithmetic between one real
420         and one complex operand specially.
421         * tree-complex.c (some_nonzerop): Do not identify a real value as
422         zero if flag_signed_zeros.
423
424 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
425
426         PR rtl-optimization/33928
427         * loop-invariant.c (record_use): Fix && vs. || mishap.
428
429 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
430
431         PR rtl-optimization/33928
432         * loop-invariant.c (struct use): Add addr_use_p.
433         (struct def): Add n_addr_uses.
434         (struct invariant): Add cheap_address.
435         (create_new_invariant): Set cheap_address.
436         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
437         (record_uses): Pass df_ref to record_use.
438         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
439         used only as such.
440
441 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
442
443         * config/sh/sh.c: Do not include c-pragma.h.
444
445 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
446
447         * config/spu/spu.c: Remove include of c-common.h.
448
449 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
450
451         PR c/39037
452         * c-common.h (mark_valid_location_for_stdc_pragma,
453         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
454         clear_float_const_decimal64, float_const_decimal64_p): New.
455         * c.opt (Wunsuffixed-float-constants): New.
456         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
457         unsuffixed float constant, handle new warning.
458         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
459         * c-decl.c (c_scope): New flag float_const_decimal64.
460         (set_float_const_decimal64, clear_float_const_decimal64,
461         float_const_decimal64_p): New.
462         (push_scope): Set new flag.
463         * c-parser.c (c_parser_translation_unit): Mark when it's valid
464         to use STDC pragmas.
465         (c_parser_external_declaration): Ditto.
466         (c_parser_compound_statement_nostart): Ditto.
467         * c-pragma.c (valid_location_for_stdc_pragma,
468         mark_valid_location_for_stdc_pragma,
469         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
470         handle_pragma_float_const_decimal64): New.
471         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
472         * cp/semantics.c (valid_location_for_stdc_pragma_p,
473         set_float_const_decimal64, clear_float_const_decimal64,
474         float_const_decimal64_p): New dummy functions.
475         * doc/extend.texi (Decimal Float): Remove statement that the
476         pragma, and suffix for double constants, are not supported.
477         * doc/invoke.texi (Warning Options): List new option.
478         (-Wunsuffixed-float-constants): New.
479
480 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
481
482         * config/i386/i386.c: Do not include c-common.h.
483
484 2009-05-07  Mark Heffernan  <meheff@google.com>
485
486         * doc/invoke.texi (Debugging Options): Document change of debugging
487         dump location.
488         * opts.c (decode_options): Make dump_base_name relative to
489         aux_base_name directory.
490
491 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
492
493         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
494         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
495
496 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
497
498         * Makefile.in (install-plugin): Simplify a bit.
499
500 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
501
502         * Makefile.in (OBJS-common): Add regcprop.o.
503         (regcprop.o): New.
504         * timevar.def (TV_CPROP_REGISTERS): New.
505         * regrename.c (regrename_optimize): Return 0.
506         (rest_of_handle_regrename): Delete.
507         (pass_rename_registers): Point to regrename_optimize.
508         (struct value_data_entry, struct value_data, 
509         kill_value_one_regno, kill_value_regno, kill_value,
510         set_value_regno, init_value_data, kill_clobbered_value,
511         kill_set_value, kill_autoinc_value, copy_value,
512         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
513         replace_oldest_value_reg, replace_oldest_value_addr,
514         replace_oldest_value_mem, copyprop_hardreg_forward_1,
515         debug_value_data, validate_value_data): Move...
516         * regcprop.c: ... here.
517         (rest_of_handle_cprop): Delete.
518         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
519
520 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
521
522         PR middle-end/40057
523         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
524         GEN_INT for 1 << bitnum.
525         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
526         build_int_cst_type.
527
528 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
529
530         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
531         Remove wrong description of "nand" operation.
532
533 2009-05-06  Richard Guenther  <rguenther@suse.de>
534             Adam Nemet  <anemet@caviumnetworks.com>
535
536         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
537         comment.  Add that if LHS is not a gimple register, then RHS1 has
538         to be a single object (GIMPLE_SINGLE_RHS).
539
540 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
541
542         * expr.c (get_def_for_expr): Move it up in the file.
543         (store_field): When expanding a bit-field store, look at the
544         defining gimple stmt for the masking conversion.
545
546 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
547
548         PR middle-end/39986
549         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
550         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
551         32-bit memcpy into long.
552
553 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
554
555         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
556         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
557         new_reg_loc_descr.
558         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
559         instead of appending DW_OP_deref*.
560
561 2009-05-06  Michael Matz  <matz@suse.de>
562
563         PR middle-end/40021
564         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
565         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
566
567 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
568
569         * Makefile.in (install-plugin): Fix srcdir handling.
570
571 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
572
573         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
574         when processing for not_regs_needed bitmap.
575         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
576         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
577         handling it for rhs. 
578
579 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
580
581         * config/i386/i386.md (unnamed inc/dec peephole): Use
582         optimize_insn_for_size_p instead of optimize_size.
583         * config/i386/predicates.md (incdec_operand): Likewise.
584         (aligned_operand): Likewise.
585         * config/i386/sse.md (divv8sf3): Likewise.
586         (sqrtv8sf2): Likewise.
587
588 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
589
590         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
591
592         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
593
594 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
595
596         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
597         ssemodesuffixf2c with avxmodesuffixf2c.
598
599 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
600
601         PR c/40032
602         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
603
604 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
605
606         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
607         (struct tree_base): Adjust spacing for 8 bit boundaries.
608         (struct tree_decl_common): Add decl_by_reference_flag bit.
609         (DECL_BY_REFERENCE): Adjust.
610         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
611         print DECL_BY_REFERENCE bit.
612         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
613         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
614         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
615         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
616         unconditionally.
617
618         PR middle-end/39666
619         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
620         range of the type, but default label is missing, add it with one
621         of the existing labels instead of adding a new label for it.
622
623 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
624
625         * dwarf.h: Remove.
626
627 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
628
629         * Makefile.in (enable_plugin, plugin_includedir): New.
630         (install): Depend on install-plugin.
631         (PLUGIN_HEADERS): New.
632         (install-plugin): New.
633         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
634
635 2009-05-05  Richard Guenther  <rguenther@suse.de>
636
637         PR tree-optimization/40022
638         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
639         the only vuse.
640         (phivn_valid_p): Fix tuplification error, simplify.
641         (phiprop_insert_phi): Add dumps.
642         (propagate_with_phi): Simplify.
643
644 2009-05-05  Richard Guenther  <rguenther@suse.de>
645
646         PR middle-end/40023
647         * builtins.c (gimplify_va_arg_expr): Properly build the address.
648
649 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
650
651         * tree.h (strip_float_extensions): Remove duplicate declaration.
652         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
653         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
654         block_ultimate_origin): Rearrange the declarations line to match the
655         comment that indicates the .c file which the functions are defined.
656         (dwarf2out_*, set_decl_rtl): Add comment.
657         (get_base_address): Adjust comment.
658         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
659         declarations line and add comment.
660         (is_builtin_name): Add blank after function name, for clarity.
661
662 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
663
664         * attribs.c (decl_attributes): Use %qE for identifiers in
665         diagnostics.
666         * cgraphunit.c (verify_cgraph_node): Translate function names to
667         locale character set in diagnostics.
668         * coverage.c (get_coverage_counts): Use %qE for identifiers in
669         diagnostics.
670         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
671         Document that functions are named in UTF-8.
672         * expr.c (expand_expr_real_1): Translate function names to locale
673         character set in diagnostics.
674         * gimplify.c (omp_notice_variable, omp_is_private,
675         gimplify_scan_omp_clauses): Use %qE for identifiers in
676         diagnostics.
677         * langhooks.c (lhd_print_error_function): Translate function names
678         to locale character set.
679         * langhooks.h (decl_printable_name): Document that return value is
680         in internal character set.
681         * stmt.c: Include pretty-print.h
682         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
683         diagnostics.
684         (resolve_operand_name_1): Translate named operand name to locale
685         character set.
686         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
687         diagnostics.
688         * toplev.c (announce_function): Translate function names to locale
689         character set.
690         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
691         (default_tree_printer): Use pp_identifier or translate identifiers
692         to locale character set.  Mark "<anonymous>" for translation.
693         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
694         for identifiers in diagnostics.
695         * tree.c (handle_dll_attribute): Use %qE for identifiers in
696         diagnostics.
697         * varasm.c (output_constructor): Use %qE for identifiers in
698         diagnostics.
699
700 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
701
702         * configure.ac: use ` ` instead of $()
703         * configure: Regenerate.
704
705 2009-05-05  Ben Elliston  <bje@au.ibm.com>
706
707         * config/pa/linux-atomic.c: Eliminate conditional include of
708         errno.h on non-LP64 systems to simplify build requirements.
709
710 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
711
712         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
713         diagnostics.
714         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
715         and pass value to identifier_to_locale.
716         (warn_variable_length_array): Make name a tree.
717         (grokdeclarator): Separate diagnostic texts for named and unnamed
718         declarators.  Use %qE for named declarators.
719         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
720         diagnostics.
721         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
722         identifiers in diagnostics.
723         * c-typeck.c (push_member_name, start_init): Pass identifiers to
724         identifier_to_locale.  Mark "anonymous" strings for translation.
725
726 2009-05-04  Michael Eager <eager@eagercon.com>
727
728         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
729         address for DImode/DFmode only if double-precision FP regs.
730
731 2009-05-04  Michael Eager <eager@eagercon.com>
732
733         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
734         TARGET_SINGLE_FLOAT check.
735
736 2009-05-04  Michael Eager <eager@eagercon.com>
737
738         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
739
740 2009-05-04  Michael Eager <eager@eagercon.com>
741
742         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
743         * config/rs6000/t-xilinx: New
744
745 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
746
747         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
748         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
749         * gcc/explow.c (memory_address): Use target hook.
750         * gcc/targhooks.c (default_legitimize_address): New.
751         * gcc/targhooks.h (default_legitimize_address): New.
752         * gcc/target.h (legitimize_address): New.
753         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
754         (TARGET_INITIALIZER): Include it.
755         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
756
757         * config/bfin/bfin-protos.h (legitimize_address): Remove.
758         * config/bfin/bfin.c (legitimize_address): Remove.
759         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
760         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
761         Remove.
762         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
763         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
764
765         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
766         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
767         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
768         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
769         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
770         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
771         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
772         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
773         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
774         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
775         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
776         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
777         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
778         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
779         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
780         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
781         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
782         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
783         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
784         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
785         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
786         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
787         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
788
789         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
790         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
791         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
792         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
793         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
794         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
795         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
796         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
797         (thumb_legitimize_address): Delete.
798         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
799         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
800         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
801         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
802         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
803         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
804         Delete.
805         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
806         Delete.
807
808         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
809         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
810         * config/m32r/m32r.c (m32r_legitimize_address): New.
811         * config/m68k/m68k.c (m68k_legitimize_address): New.
812         * config/score/score.c (score_legitimize_address): Standardize.
813         * config/score/score3.c (score3_legitimize_address): Standardize.
814         * config/score/score3.h (score3_legitimize_address): Adjust.
815         * config/score/score7.c (score7_legitimize_address): Standardize.
816         * config/score/score7.h (score7_legitimize_address): Adjust.
817         * config/sh/sh.c (sh_legitimize_address): New.
818         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
819
820         * gcc/config/s390/s390.c (legitimize_address): Rename to...
821         (s390_legitimize_address): ... this.
822         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
823         (sparc_legitimize_address): ... this.
824         * gcc/config/i386/i386.c (legitimize_address): Rename to...
825         (ix86_legitimize_address): ... this.
826         * gcc/config/avr/avr.c (legitimize_address): Rename to...
827         (avr_legitimize_address): ... this.
828         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
829         (mn10300_legitimize_address): ... this.
830         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
831         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
832         (alpha_expand_mov): Adjust call.
833
834         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
835         * config/spu/spu.c (spu_legitimize_address): Likewise.
836         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
837         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
838
839 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
840
841         * intl.c (locale_encoding, locale_utf8): New.
842         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
843         * intl.h (locale_encoding, locale_utf8): Declare.
844         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
845         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
846         New.
847         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
848         argument.
849         (pp_tree_identifier): Define to call pp_base_tree_identifier.
850         (pp_base_tree_identifier): Declare as function.
851         (identifier_to_locale): Declare.
852         * Makefile.in (pretty-print.o): Update dependencies.
853         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
854
855 2009-05-04  Richard Guenther  <rguenther@suse.de>
856
857         PR middle-end/40015
858         * builtins.c (fold_builtin_memory_op): Do not decay to element
859         type if the size matches the whole array.
860
861 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
862
863         * expmed.c (synth_mult): When trying out a shift, pass the result
864         of a signed shift.
865
866 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
867
868         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
869         (shiftsub1_cost): New.
870         (init_expmed): Compute shiftsub1_cost.
871         (synth_mult): Optimize multiplications by constants of the form
872         -(2^^m-1) for some constant positive integer m.
873
874 2009-05-03  Richard Guenther  <rguenther@suse.de>
875
876         PR c/39983
877         * c-typeck.c (array_to_pointer_conversion): Do not built
878         ADDR_EXPRs of arrays of pointer-to-element type.
879         * c-gimplify.c (c_gimplify_expr): Revert change fixing
880         up wrong ADDR_EXPRs after-the-fact.
881         * c-common.c (strict_aliasing_warning): Strip pointer
882         conversions for obtaining the original type.
883         * builtins.c (fold_builtin_memset): Handle array types.
884         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
885         and array types
886
887 2009-05-03  Richard Guenther  <rguenther@suse.de>
888
889         PR middle-end/23329
890         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
891         Do not lose casts from array types with unknown extent to array
892         types with known extent.
893         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
894         alias set compatibility.
895
896 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
897
898         * flags.h (extra_warnings): Delete.
899         * toplev.c (process_options): Handle Wuninitialized here.
900         * opts.c (extra_warnings): Delete.
901         (set_Wextra): Delete.
902         (common_handle_option): -Wextra can be handled automatically.
903         * c-opts.c (c_common_handle_option): Delete obsolete code.
904         (c_common_post_options): Simplify comment.
905         * common.opt (W): Add Var.
906         (Wextra): Add Var.
907         (Wuninitialized): Initialize to -1.
908
909 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
910             Richard Guenther  <rguenther@suse.de>
911
912         * expr.c (get_def_for_expr): New function.
913         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
914         SSA rather than trees.
915         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
916         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
917         
918 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
919
920         * c-common.c (reswords): Add _Imaginary.
921         * c-common.c (enum rid): Add RID_IMAGINARY.
922
923 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
924
925         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
926         Patch by Richard Guenther.
927
928 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
929
930         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
931         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
932         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
933         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
934         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
935         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
936         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
937         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
938         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
939         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
940         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
941         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
942         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
943         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
944         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
945         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
946         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
947         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
948
949 2009-05-02  Richard Guenther  <rguenther@suse.de>
950
951         PR tree-optimization/39940
952         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
953         doing so.
954
955 2009-05-02  Richard Guenther  <rguenther@suse.de>
956
957         PR middle-end/40001
958         * tree-ssa.c (execute_update_addresses_taken): Properly check
959         if we can mark a variable DECL_GIMPLE_REG_P.
960         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
961         back to the end of the function.
962         (is_gimple_reg_type): Remove complex type special casing.
963         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
964         if not optimizing.
965
966 2009-05-02  Ben Elliston  <bje@au.ibm.com>
967
968         * doc/collect2.texi (Collect2): Document search path behaviour
969         when configured with --with-ld.
970
971 2009-05-02  Jan Hubicka  <jh@suse.cz>
972
973         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
974         parameter; update callers.
975         (coalesce_cost_edge): EH edges are costier because they needs
976         splitting even if not critical and even more costier when there are
977         multiple EH predecestors.
978
979 2009-05-02  Jan Hubicka  <jh@suse.cz>
980
981         * except.c (remove_eh_handler_and_replace): Handle updating after
982         removing TRY blocks.
983
984 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
985
986         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
987
988 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
989
990         * varasm.c: Do not include c-pragma.h.
991         * attribs.c: Do not incude c-common.h.
992
993 2009-05-01  Michael Matz  <matz@suse.de>
994
995         * calls.c (initialize_argument_information): Handle SSA names like
996         decls with a non MEM_P DECL_RTL.
997
998 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
999
1000         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
1001         * ipa-utils.c: Likewise.
1002         * ipa-type-escape.c: Likewise.
1003         * cgraphunit.c Do not include c-common.h.
1004         * ipa-pure-const.c: Likewise.
1005         * tree-if-conv.c: Likewise.
1006         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
1007         * ipa-struct-reorg.c: Likewise.
1008         * tree-nomudflap.c: Likewise.
1009         * tree-ssa-structalias.c: Likewise.
1010
1011 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
1012
1013         * store-motion.c: Many cleanups to make this pass a first-class
1014         citizen instead of an appendix to gcse load motion.  Add TODO list
1015         to make this pass faster/cleaner/better.
1016
1017         (struct ls_expr): Post gcse.c-split cleanups.
1018         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
1019         "stores" field to "avail_stores".
1020         (pre_ldst_mems): Rename to store_motion_mems.
1021         (pre_ldst_table): Rename to store_motion_mems_table.
1022         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
1023         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
1024         (ldst_entry): Rename to st_expr_entry, update users.
1025         (free_ldst_entry): Rename to free_st_expr_entry, update users.
1026         (free_ldst_mems): Rename to free_store_motion_mems, update users.
1027         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
1028         update caller.
1029         (first_ls_expr): Rename to first_st_expr, update users.
1030         (next_ls_expr): Rename to next_st_expr, update users.
1031         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
1032         fields properly for store motion instead of names inherited from load
1033         motion in gcse.c.
1034         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
1035         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
1036         are done with it.
1037
1038         (ae_kill): Rename to st_kill, update users.
1039         (ae_gen): Rename to st_avloc, update users.
1040         (transp): Rename to st_transp, update users.
1041         (pre_insert_map): Rename to st_insert_map, update users.
1042         (pre_delete_map): Rename to st_delete_map, update users.
1043         (insert_store, build_store_vectors, free_store_memory,
1044         one_store_motion_pass): Update for abovementioned changes.
1045
1046         (gcse_subst_count, gcse_create_count): Remove.
1047         (one_store_motion_pass): New statistics counters "n_stores_deleted"
1048         and "n_stores_created", local variables.
1049
1050         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
1051         use for_each_rtx.
1052
1053         (regvec, compute_store_table_current_insn): Remove.
1054         (reg_set_info, reg_clear_last_set): Remove.
1055         (compute_store_table): Use DF caches instead of local dataflow
1056         solvers.
1057
1058 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
1059
1060         * c-objc-common.c (c_tree_printer): Print identifiers with
1061         pp_identifier, not pp_string.  Mark "({anonymous})" for
1062         translation.
1063         * c-pretty-print.c (pp_c_ws_string): New.
1064         (pp_c_cv_qualifier, pp_c_type_specifier,
1065         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
1066         pp_c_storage_class_specifier, pp_c_function_specifier,
1067         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
1068         pp_c_primary_expression, pp_c_postfix_expression,
1069         pp_c_unary_expression, pp_c_shift_expression,
1070         pp_c_relational_expression, pp_c_equality_expression,
1071         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
1072         use pp_string and pp_c_ws_string in place of pp_identifier and
1073         pp_c_identifier for non-identifiers.  Mark English strings for
1074         translation.
1075         * c-pretty-print.h (pp_c_ws_string): Declare.
1076
1077 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
1078             Roland McGrath <roland@redhat.com>
1079
1080         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
1081         (ENABLE_LD_BUILDID): New configuration option.
1082         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
1083         (LINK_BUILDID_SPEC): New macro.
1084         (init_spec): If defined, prepend it between LINK_EH_SPEC and
1085         link_spec.
1086         * doc/install.texi: Document --enable-linker-build-id option.
1087         * configure: Rebuild.
1088         * config.in: Rebuild.
1089
1090 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
1091
1092         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
1093         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
1094         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
1095         MIPS_GP_SAVE_AREA_SIZE.
1096         * config/mips/mips.c (struct mips_frame_info): Update comment
1097         before arg_pointer_offset and hard_frame_pointer_offset.
1098         (mips_compute_frame_info): Update diagram before function: to
1099         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
1100         indicate the position of frame_pointer_rtx with -fstack-protector and
1101         to show args_size.  Don't allocate cprestore area for leaf functions
1102         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
1103         cprestore_size.
1104         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
1105
1106 2009-04-30  Michael Matz  <matz@suse.de>
1107
1108         PR tree-optimization/39955
1109         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
1110
1111 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
1112
1113         * ira.c (setup_cover_and_important_classes):  Use safe macro
1114         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
1115         directly.
1116         * genpreds.c (write_tm_preds_h):  Output suitable definition of
1117         REG_CLASS_FOR_CONSTRAINT.
1118
1119 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
1120
1121         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
1122         instead of an int.
1123         * bitmap.c (bitmap_descriptor): Likewise.
1124         * ggc-common.c (loc_descriptor): Likewise.
1125         * varray.c (varray_descriptor): Likewise.
1126         * vec.c (vec_descriptor): Likewise.
1127
1128 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1129
1130         * Makefile.in (dce.o): Add $(EXCEPT_H).
1131         * dce.c: Include except.h and delete redundant vector definitions.
1132         (deletable_insn_p): Return false for non-call insns that can throw
1133         if DF is running.
1134
1135 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1136
1137         * gcse.c (ae_gen): Remove.
1138         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
1139         and make non-static function to make it available in store-motion.c.
1140         Update call sites with search-and-replace.
1141         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
1142         extract_mentioned_regs, extract_mentioned_regs_helper,
1143         find_moveable_store, compute_store_table, load_kills_store, find_loads,
1144         store_killed_in_insn, store_killed_after, store_killed_before,
1145         build_store_vectors, insert_insn_start_basic_block, insert-store,
1146         remove_reachable_equiv_notes, replace_store_insn, delete_store,
1147         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
1148         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
1149         * store-motion.c: ...new file.  Also copy data structures from gcse.c
1150         and clean up to remove parts not used by store motion.
1151         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
1152         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
1153
1154 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1155
1156         PR target/38571
1157         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
1158         when optimizing for size.
1159
1160 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
1161
1162         * gcse.c (gcse_constant_p): Fix typo in last change.
1163
1164 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
1165
1166         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
1167
1168 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
1169
1170         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
1171
1172 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
1173
1174         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
1175         CONST_HIGH_PART result.
1176
1177 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
1178
1179         * config/avr/avr.c (initial_elimination_offset): Rename to
1180         avr_initial_elimination_offset.
1181         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
1182         change return type to bool.
1183         (avr_can_eliminate): New function.
1184         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
1185         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
1186         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
1187         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
1188         avr_initial_elimination_offset.
1189         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
1190         (avr_initial_elimination_offset): Define.
1191
1192 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
1193             Steven Bosscher  <steven@gcc.gnu.org>
1194
1195         PR rtl-optimization/39938
1196         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
1197         * cfgrtl.c: Include insn-attr.h.
1198         (rest_of_pass_free_cfg): New function.
1199         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
1200         * resource.c (init_resource_info): Remove call to df_analyze.
1201
1202 2009-04-29  Richard Guenther  <rguenther@suse.de>
1203
1204         PR target/39943
1205         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
1206         allow conversion to signed integers.
1207
1208 2009-04-29  Richard Guenther  <rguenther@suse.de>
1209
1210         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
1211         shifts of floating point vectors if the shift amount is
1212         a constant multiple of the element size.
1213
1214 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1215             Michael Matz  <matz@suse.de>
1216
1217         PR middle-end/39927
1218         PR bootstrap/39929
1219         * tree-outof-ssa.c (emit_partition_copy): New function.
1220         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
1221         insert_part_to_rtx_on_edge): Perform the partition base var
1222         copy using emit_partition_copy.
1223         (insert_value_copy_on_edge): Convert constants to the right mode.
1224         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
1225         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
1226
1227 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1228
1229         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
1230         scan backwards to try to find a constant to initialize it.
1231
1232         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
1233         insn before the loop_end instruction, don't look past labels.
1234
1235 2009-04-29  Richard Guenther  <rguenther@suse.de>
1236
1237         PR middle-end/39937
1238         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
1239         loose type conversions.
1240         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
1241         stmts only if there are no uses of its definition.
1242
1243 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1244
1245         * config/bfin/bfin.h (splitting_loops): Declare.
1246         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
1247         Reorder bit definitions to be ascending.
1248         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
1249         * config/bfin/bfin.c (splitting_loops): New variable.
1250         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
1251         (struct loop_info): Remove members INIT and LOOP_INIT.
1252         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
1253         the LSETUP sequence.  Allow LC to be loaded from any register, but
1254         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
1255         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
1256         set to 1.
1257         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
1258         of reload_completed.
1259
1260         From Jie Zhang:
1261         * config/bfin/bfin.md (movsi_insn): Refine constraints.
1262
1263 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
1264
1265         * Makefile.in (PLUGIN_VERSION_H): New.
1266         (OBJS-common): Remove plugin-version.o.
1267         (plugin.o): Depend on (PLUGIN_VERSION_H).
1268         (plugin-version.o): Remove.
1269         * configure: Regenerate
1270         * configure.ac: Create plugin-version.h.
1271         * gcc-plugin.h (plugin_gcc_version): Remove.
1272         (plugin_default_version_check): Change signature.
1273         * plugin-version.c: Remove.
1274         * plugin.c: Include plugin-version.h.
1275         (str_plugin_gcc_version_name): Remove.
1276         (try_init_one_plugin): Pass gcc version to plugin_init.
1277         (plugin_default_version_check): Both gcc and plugin versions are now
1278         arguments.
1279
1280 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1281         
1282         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
1283         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
1284         Remove special case testing for last insn of inner loops. Don't fail
1285         if the loop ends with a jump, emit an extra nop instead.
1286
1287         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
1288         DREGS rather than comparing directly.  Remove code that tries to
1289         account for latencies.
1290
1291 2009-04-29  Richard Guenther  <rguenther@suse.de>
1292
1293         PR tree-optimization/39941
1294         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
1295         eliminating an indirect call.
1296
1297 2009-04-29  Richard Guenther  <rguenther@suse.de>
1298
1299         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
1300         parameter.  Allow invariants as base if !require_lvalue.
1301         (verify_gimple_assign_single): Adjust.
1302
1303 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1304
1305         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
1306         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
1307         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
1308         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
1309         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
1310         a VEC_SELECT.
1311         * config/bfin/bfin.c (bfin_expand_builtin,
1312         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
1313
1314 2009-04-28  Richard Guenther  <rguenther@suse.de>
1315
1316         * tree-vect-loop.c (get_initial_def_for_induction): Use
1317         correct types for pointer increment.
1318
1319 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1320
1321         * toplev.c (print_version): Update GMP version string calculation.
1322
1323 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1324
1325         PR rtl-optimization/39938
1326         * resource.c (init_resource_info): Add call to df_analyze.
1327
1328 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
1329
1330         * config/alpha/alpha.md (usegp): Cast the result of
1331         alpha_find_lo_sum_using_gp to enum attr_usegp.
1332         * config/alpha/alpha.c (override_options): Remove end-of-structure
1333         marker element from cpu_table.  Use array size of cpu_table to handle
1334         -mcpu and -mtune options.
1335         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
1336
1337 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
1338
1339         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
1340         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
1341         tune_32 and tune_64.
1342         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
1343         support on PowerPC.
1344         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
1345         * config/rs6000/option-defaults.h: ... here.  New file.
1346         (OPT_64, OPT_32): Define.
1347         (MASK_64BIT): Define to 0 if not already defined.
1348         (OPT_ARCH64, OPT_ARCH32): Define.
1349         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
1350         and tune_64.
1351
1352 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1353
1354         * config/arm/arm.c (arm_override_options): Emit error on using
1355         fpa with AAPCS.
1356
1357 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
1358
1359         PR rtl-optimization/39914
1360         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
1361         registers for allocnos created from user-defined variables only
1362         when not optimizing.
1363
1364 2009-04-28  Richard Guenther  <rguenther@suse.de>
1365
1366         PR middle-end/39937
1367         * fold-const.c (fold_binary): Use distribute_real_division only
1368         on float types.
1369
1370 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
1371
1372         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
1373         add hpux-stdint.h to tm_file.
1374         (hppa[12]*-*-hpux11*): Ditto.
1375         (ia64*-*-hpux*): Ditto.
1376         * config/hpux-stdint.h: New.
1377         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
1378         __STDC_EXT__ for all compiles.
1379         * config/pa/pa-hpux.h: Ditto.
1380         * config/pa/pa-hpux10.h: Ditto.
1381         * config/pa/pa-hpux11.h: Ditto.
1382
1383 2009-04-28  Catherine Moore  <clm@codesourcery.com>
1384
1385         * debug.h (set_name): Add comment.
1386
1387 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
1388
1389         PR target/39929
1390         * config/darwin.c (machopic_gen_offset): Check
1391         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
1392         * config/arm/arm.c (require_pic_register): Likewise.
1393
1394 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
1395
1396         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
1397         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
1398         m32c_promote_prototypes): Delete.
1399
1400 2009-04-28  Michael Matz  <matz@suse.de>
1401
1402         PR middle-end/39922
1403         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
1404         constants.
1405
1406 2009-04-28  Richard Guenther  <rguenther@suse.de>
1407
1408         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
1409
1410 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1411
1412         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
1413         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
1414         * config/arm/arm-tune.md: Regenerate.
1415
1416 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
1417
1418         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
1419         block if there are complex incoming edges.
1420         (sel_merge_blocks): Remove useless assert.
1421         (sel_redirect_edge_and_branch): Check that edge was redirected.
1422         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
1423         (sel_find_rgns): Delete declaration.
1424         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
1425         the region when it is not a preheader.
1426
1427 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
1428
1429         PR c/39323
1430         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
1431
1432 2009-04-28  Richard Guenther  <rguenther@suse.de>
1433
1434         * tree.h (SSA_NAME_VALUE): Remove.
1435         (struct tree_ssa_name): Remove value_handle member.
1436         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
1437         array for jump threading.
1438         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
1439         SSA_NAME_VALUEs.
1440         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
1441         * tree-flow.h (threadedge_initialize_values): Declare.
1442         (threadedge_finalize_values): Likewise.
1443         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
1444         (SSA_NAME_VALUE): Define.
1445         (threadedge_initialize_values): New function.
1446         (threadedge_finalize_values): Likewise.
1447         * tree-ssa-dom.c (ssa_name_values): New global variable.
1448         (SSA_NAME_VALUE): Define.
1449         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
1450
1451 2009-04-28  Ira Rosen  <irar@il.ibm.com>
1452
1453         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
1454         Use REPORT_VECTORIZED_LOCATIONS instead 
1455         REPORT_VECTORIZED_LOOPS.
1456         * tree-vectorizer.c (vect_verbosity_level): Make static.
1457         (vect_loop_location): Rename to vect_location.
1458         (vect_set_verbosity_level): Update comment.
1459         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
1460         and vect_location.
1461         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
1462         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
1463         instead REPORT_UNVECTORIZED_LOOPS.
1464         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def and
1465         vect_loop_def to vect_external_def and vect_internal_def.
1466         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
1467         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
1468         REPORT_UNVECTORIZED_LOCATIONS.
1469         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
1470         and vect_used_in_loop and to vect_unused_in_scope and 
1471         vect_used_in_scope.
1472         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
1473         (vect_verbosity_level): Remove declaration.
1474         (vect_analyze_operations): Likewise.
1475         (vect_analyze_stmt): Declare.
1476         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
1477         REPORT_UNVECTORIZED_LOCATIONS.
1478         (vect_get_loop_niters): Fix indentation.
1479         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
1480         (vect_analyze_loop_operations): New function.
1481         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
1482         vect_analyze_operations.
1483         (vect_is_simple_reduction): Use new names.
1484         (vectorizable_live_operation, vect_transform_loop): Likewise.
1485         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value to
1486         specify whether the data references can be a part of interleaving chain.
1487         (vect_analyze_data_ref_dependence): Use new names.
1488         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
1489         (vect_create_addr_base_for_vector_ref): Remove redundant code.
1490         * tree-vect-patterns.c (widened_name_p): Use new names.
1491         (vect_recog_dot_prod_pattern): Likewise.
1492         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
1493         (process_use, vect_mark_stmts_to_be_vectorized, 
1494         vect_model_simple_cost, vect_model_store_cost,
1495         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
1496         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1497         vectorizable_operation, vectorizable_type_demotion,
1498         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
1499         vectorizable_condition): Likewise.
1500         (vect_analyze_operations): Split into vect_analyze_loop_operations
1501         and ...
1502         (vect_analyze_stmt): ... new function.
1503         (new_stmt_vec_info): Use new names.
1504         (vect_is_simple_use): Use new names and fix comment.
1505         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
1506         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
1507
1508 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
1509
1510         PR target/39911
1511         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
1512         and integer modes for x87 operands.  Do not ICE for unsupported size,
1513         generate error instead.  Generate error for unsupported operand types.
1514         ['z']: Do not handle HImode memory operands specially.  Warning
1515         for floating-point operands.  Fallthru to 'Z' for unsupported operand
1516         types.  Do not ICE for unsupported size, generate error instead.
1517         (output_387_binary_op): Use %Z to output operands.
1518         (output_fp_compare): Ditto.
1519         (output_387_reg_move): Ditto.
1520
1521 2009-04-28  Ben Elliston  <bje@au.ibm.com>
1522
1523         PR c++/35652
1524         Revert:
1525
1526         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1527
1528         * builtins.c (c_strlen): Do not warn here.
1529         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
1530         * c-common.c (pointer_int_sum): Take an explicit location.
1531         Warn about offsets out of bounds.
1532         * c-common.h (pointer_int_sum): Adjust declaration.
1533
1534 2009-04-27  Ian Lance Taylor  <iant@google.com>
1535
1536         * collect2.c (is_ctor_dtor): Change type of ret field in struct
1537         names to symkind.
1538         * dce.c (run_fast_df_dce): Change type of old_flags to int.
1539         * df-core.c (df_set_flags): Change return type to int.  Change
1540         type of old_flags to int.
1541         (df_clear_flags): Likewise.
1542         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
1543         (df_get_conditional_uses): Likewise.
1544         * df.h (df_set_flags, df_clear_flags): Update declarations.
1545         * dwarf2out.c (struct indirect_string_node): Change type of form
1546         field to enum dwarf_form.
1547         (AT_string_form): Change return type to enum dwarf_form.
1548         * fixed-value.c (fixed_compare): Add cast to enum type.
1549         * fwprop.c (update_df): Change 0 to VOIDmode.
1550         * gensupport.c: Change 0 to UNKNOWN.
1551         * gimple.h (gimple_cond_code): Add cast to enum type.
1552         * haifa-sched.c (reemit_notes): Add cast to enum type.
1553         * hooks.c (hook_int_void_no_regs): Remove function.
1554         * hooks.h (hook_int_void_no_regs): Remove declaration.
1555         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
1556         * predict.c (combine_predictions_for_insn): Add casts to enum type.
1557         * real.c (real_arithmetic): Add cast to enum type.
1558         (real_compare): Likewise.
1559         * target.h (struct gcc_target): Change return type of
1560         branch_target_register_class to enum reg_class.
1561         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
1562         default_branch_target_register_class.
1563         * targhooks.c (default_branch_target_register_class): New function.
1564         * targhooks.h (default_branch_target_register_class): Declare.
1565         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
1566         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
1567         cast to int.
1568         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
1569         ERROR_MARK.
1570         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
1571         vect_uninitialized_def.  Change 0 to ERROR_MARK.
1572         * tree-vect-stmts.c (supportable_widening_operation): Don't
1573         initialize icode1 and icode2.
1574         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
1575         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
1576         and to STD_C89.
1577         (cmn_err_flag_specs): Change 0 to STD_C89.
1578         (cmn_err_char_table): Likewise.
1579         * config/arm/arm.c (get_arm_condition_code): Change type of code
1580         to enum arm_cond_code.
1581         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
1582         (IWMMXT_BUILTIN2): Likewise.
1583         (neon_builtin_type_bits): Don't define typedef.
1584         (neon_builtin_datum): Change type of bits field to int.
1585         (arm_expand_neon_args): Add cast to enum type.
1586         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
1587         TLS_MODEL_NONE.
1588         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
1589         casts to enum type.
1590         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
1591         MIPS_FP_COND_f.
1592         * config/mips/mips.md (jal_macro): Return enum constant.
1593         (single_insn): Likewise.
1594         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
1595         CODE_FOR_nothing.
1596         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1597         casts to enum type.
1598         * config/s390/s390.c (s390_tune_flags): Change type to int.
1599         (s390_arch_flags): Likewise.
1600         (s390_handle_arch_option): Change flags field of struct pta to int.
1601         * config/s390/s390.h (s390_tune_flags): Update declaration.
1602         (s390_arch_flags): Likewise.
1603         * config/sh/sh.c (prepare_move_operands): Compare
1604         tls_symbolic_operand result with enum constant.
1605         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
1606         (sh_expand_prologue): Add cast to enum type.
1607         (sh_expand_epilogue): Likewise.
1608         (tls_symbolic_operand): Change return type to enum tls_model.
1609         (fpscr_set_from_mem): Add cast to enum type.
1610         (legitimize_pic_address): Compare tls_symbolic_operand result with
1611         enum constant.
1612         (sh_target_reg_class): Change return type to enum reg_class.
1613         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
1614         PROCESSOR_xxx.
1615         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
1616         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
1617         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
1618         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
1619         (delayed_branch, tls_call_delay): Likewise.
1620         (eligible_for_sibcall_delay): Likewise.
1621         (eligible_for_return_delay): Likewise. 
1622         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
1623         (spu_expand_builtin_1): Likewise.
1624
1625         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
1626         for all types of conversions.
1627         (output_init_element): Issue -Wc++-compat warning if needed when
1628         initializing a bitfield with enum type.
1629         * c-parser.c (c_parser_expression): Set original_type to
1630         original_type of right hand operand of comman operator.
1631
1632 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1633
1634         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
1635         grammar nits.
1636         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
1637         * doc/cpp.texi (Standard Predefined Macros)
1638         (Implementation-defined behavior): Likewise.
1639         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
1640         * doc/gimple.texi (GIMPLE Exception Handling)
1641         (@code{GIMPLE_ASSIGN}): Likewise.
1642         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
1643         * doc/invoke.texi (Warning Options, Optimize Options)
1644         (AVR Options, Darwin Options): Likewise.
1645         (Optimize Options): Reformulate -fwhole-program description.
1646         * doc/loop.texi (Lambda): Likewise.
1647         * doc/md.texi (Output Template, Define Constraints)
1648         (Standard Names, Insn Splitting): Likewise.
1649         * doc/options.texi (Option properties): Likewise.
1650         * doc/passes.texi (Tree-SSA passes): Likewise.
1651         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
1652         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
1653         (File Names and DBX): Likewise.
1654         * doc/trouble.texi (Incompatibilities): Likewise.
1655
1656 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1657
1658         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
1659         instruction is correct.
1660
1661 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1662
1663         Allow non-constant arguments to conversion intrinsics.
1664         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
1665         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
1666         * spu.c (print_operand): Handle 'v' and 'w'.
1667         (exp2_immediate_p, spu_gen_exp2): Define.
1668         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
1669         spu_convtf_1): Update parameter descriptions.
1670         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
1671         * constraints.md ('v', 'w'): New.
1672         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
1673         Remove.
1674         (i2f, I2F): New define_mode_attr.
1675         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
1676         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
1677         fixuns_truncv4sfv4si2):  Update to use mode attribute.
1678         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
1679         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
1680         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
1681         patterns for combine.
1682
1683 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
1684
1685         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
1686         (cprop, hoist, pre, store_motion): New debug counters.
1687         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
1688         is not an RTL pass anymore.
1689         (pass_profiling): Remove extern decl for pass removed in 2005.
1690         (pass_gcse, pass_jump_bypass): Remove.
1691         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
1692         to 0 for clean state.
1693         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
1694         * cse.c (gate_handle_cse_after_global_opts,
1695         rest_of_handle_cse_after_global_opts): New functions.
1696         (pass_cse_after_global_opts): New pass, does local CSE.
1697         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
1698         (TV_CPROP): New timevar.
1699         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
1700         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
1701         (gcse_main, recompute_all_luids): Remove.
1702         (compute_hash_table_work): Call max_reg_num instead of reading
1703         max_gcse_regno.
1704         (cprop_jump): Don't set run_jump_opt_after_gcse.
1705         (constprop_register): Always allow to alter jumps.
1706         (cprop_insn): Likewise.
1707         (do_local_cprop): Likewise.
1708         (local_cprop_pass): Likewise.  Return non-zero if something changed.
1709         (cprop): Remove function, fold interesting bits into one_cprop_pass.
1710         (find_implicit_sets): Add note about missed optimization opportunity.
1711         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
1712         pass_rtl_cprop execute function.
1713         Don't bother tracking the pass number, each pass gets its own dumpfile
1714         now anyway.
1715         Always allow to alter jumpsand bypass jumps.
1716         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
1717         will just find no suitable set.
1718         (pre_edge_insert): Fix dumping, this function is for PRE only.
1719         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
1720         pass_rtl_pre execute function.
1721         (hoist_code): Return non-zero if something changed.  Keep track of
1722         substitutions and insertions for statistics gathering similar to PRE.
1723         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
1724         called from the pass_rtl_hoist execute function.  Show pass statistics.
1725         (compute_store_table): Use max_reg_num directly instead of using the
1726         formerly global max_gcse_regno.
1727         (build_store_vectors): Likewise.
1728         (replace_store_insn): Fix dumping.
1729         (store_motion): Rename to ...
1730         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
1731         pass, called from the pass_rtl_store_motion execute function.  Keep
1732         track of substitutions and insertions for statistics gathering similar
1733         to PRE.
1734         (bypass_jumps): Remove, fold interesting bits into ...
1735         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
1736         from the pass_rtl_cprop execute function.
1737         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
1738         pass_jump_bypass): Remove.
1739         (gate_handle_gcse, rest_of_handle_gcse): Remove.
1740         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
1741         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
1742         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
1743         (gate_rtl_store_motion, execute_rtl_store_motion,
1744         pass_rtl_store_motion): New.
1745         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
1746         make it clear that -fcse-skip-blocks is a no-op for backward compat.
1747         * passes.c (init_optimization_passes): Remove pass_gcse and
1748         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
1749         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
1750         instead of pass_jump_bypass.
1751
1752 2009-04-27  Richard Guenther  <rguenther@suse.de>
1753
1754         PR middle-end/39928
1755         * gimplify.c (gimplify_expr): If we are required to create
1756         a temporary make sure it ends up as register.
1757
1758 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1759
1760         PR target/39903
1761         * config/i386/i386.c (construct_container): Don't call
1762         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
1763         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
1764
1765 2009-04-27  Michael Matz  <matz@suse.de>
1766
1767         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
1768         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
1769         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
1770         (dump_replaceable_exprs): Take a bitmap.
1771         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
1772         array.
1773         (expand_gimple_basic_block): Likewise.
1774         * tree-ssa-ter.c (struct temp_expr_table_d): Make
1775         replaceable_expressions member a bitmap.
1776         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
1777         (mark_replaceable): Likewise.
1778         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
1779         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
1780
1781 2009-04-27  Richard Guenther  <rguenther@suse.de>
1782
1783         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
1784         (verify_stmts): Dispatch to gimple/type verification code.
1785         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
1786         issue with call argument types.
1787
1788 2009-04-27  Michael Matz  <matz@suse.de>
1789
1790         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
1791         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
1792         to above.
1793
1794 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
1795             Eric Botcazou  <ebotcazou@adacore.com>
1796
1797         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
1798         a label's basic block.
1799         (mark_target_live_regs): Tidy and rework obsolete comments.
1800         Change back DF problem to LIVE.  If a label starts a basic block,
1801         assume that all registers that used to be live then still are.
1802         (init_resource_info): If a label starts a basic block, set its
1803         BLOCK_FOR_INSN accordingly.
1804         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
1805
1806 2009-04-27  Richard Guenther  <rguenther@suse.de>
1807
1808         * tree-flow-inline.h (function_ann): Remove.
1809         (get_function_ann): Likewise.
1810         * tree-dfa.c (create_function_ann): Remove.
1811         * tree-flow.h (struct static_var_ann_d): Remove.
1812         (struct function_ann_d): Likewise.
1813         (union tree_ann_d): Remove fdecl member.
1814         (function_ann_t): Remove.
1815         (function_ann, get_function_ann, create_function_ann): Remove
1816         declarations.
1817
1818 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
1819
1820         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
1821
1822 2009-04-27  Jan Hubicka  <jh@suse.cz>
1823
1824         * ipa-pure-const.c (struct funct_state_d): New fields
1825         state_previously_known, looping_previously_known; remove
1826         state_set_in_source.
1827         (analyze_function): Use new fields.
1828         (propagate): Avoid assumption that state_set_in_source imply
1829         nonlooping.
1830
1831         * tree-ssa-loop-niter.c (finite_loop_p): New function.
1832         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
1833         * cfgloop.h (finite_loop_p): Declare.
1834
1835 2009-04-26  Michael Matz  <matz@suse.de>
1836
1837         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
1838
1839 2009-04-26  Michael Matz  <matz@suse.de>
1840
1841         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
1842         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
1843         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
1844         pass_mark_used_blocks): Remove.
1845         * tree-optimize.c (pass_free_datastructures,
1846         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
1847         * passes.c (init_optimization_passes): Don't call
1848         pass_mark_used_blocks, remove dead code.
1849
1850 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
1851
1852         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
1853         * tree-ssa-live.h (register_ssa_partition): Likewise.
1854
1855 2009-04-26  Michael Matz  <matz@suse.de>
1856
1857         Expand from SSA.
1858         * builtins.c (fold_builtin_next_arg): Handle SSA names.
1859         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
1860         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
1861         SSA names. 
1862         (compare_pairs): Swap cost comparison.
1863         (coalesce_ssa_name): Don't use change_partition_var.
1864         * tree-nrv.c (struct nrv_data): Add modified member.
1865         (finalize_nrv_r): Set it.
1866         (tree_nrv): Use it to update statements.
1867         (pass_nrv): Require PROP_ssa.
1868         * tree-mudflap.c (mf_decl_cache_locals,
1869         mf_build_check_statement_for): Use make_rename_temp.
1870         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
1871         * alias.c (find_base_decl): Handle SSA names.
1872         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
1873         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
1874         * rtl.h (set_reg_attrs_for_parm): Declare.
1875         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
1876         to "optimized", remove unused locals at finish.
1877         (execute_free_datastructures): Make global, call
1878         delete_tree_cfg_annotations.
1879         (execute_free_cfg_annotations): Don't call
1880         delete_tree_cfg_annotations.
1881
1882         * ssaexpand.h: New file.
1883         * expr.c (toplevel): Include ssaexpand.h.
1884         (expand_assignment): Handle SSA names the same as register variables.
1885         (expand_expr_real_1): Expand SSA names.
1886         * cfgexpand.c (toplevel): Include ssaexpand.h.
1887         (SA): New global variable.
1888         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
1889         (SSAVAR): New macro.
1890         (set_rtl): New helper function.
1891         (add_stack_var): Deal with SSA names, use set_rtl.
1892         (expand_one_stack_var_at): Likewise.
1893         (expand_one_stack_var): Deal with SSA names.
1894         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
1895         before unique numbers.
1896         (expand_stack_vars): Use set_rtl.
1897         (expand_one_var): Accept SSA names, add asserts for them, feed them
1898         to above subroutines.
1899         (expand_used_vars): Expand all partitions (without default defs),
1900         then only the local decls (ignoring those expanded already).
1901         (expand_gimple_cond): Remove edges when jumpif() expands an
1902         unconditional jump.
1903         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
1904         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
1905         SSA name.
1906         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
1907         members of SA; deal with PARM_DECL partitions here; expand
1908         all PHI nodes, free tree datastructures and SA.  Commit instructions
1909         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
1910         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
1911         info and statements at start, collect garbage at finish.
1912         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
1913         (VAR_ANN_PARTITION) Remove.
1914         (change_partition_var): Don't declare.
1915         (partition_to_var): Always return SSA names.
1916         (var_to_partition): Only accept SSA names.
1917         (register_ssa_partition): Only check argument.
1918         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
1919         member.
1920         (delete_var_map): Don't free it.
1921         (var_union): Only accept SSA names, simplify.
1922         (partition_view_init): Mark only useful SSA names as used.
1923         (partition_view_fini): Only deal with SSA names.
1924         (change_partition_var): Remove.
1925         (dump_var_map): Use ssa_name instead of partition_to_var member.
1926         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
1927         basic blocks.
1928         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
1929         (struct _elim_graph): New member const_dests; nodes member vector of
1930         ints.
1931         (set_location_for_edge): New static helper.
1932         (create_temp): Remove.
1933         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
1934         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
1935         (new_elim_graph): Allocate const_dests member.
1936         (clean_elim_graph): Truncate const_dests member.
1937         (delete_elim_graph): Free const_dests member.
1938         (elim_graph_size): Adapt to new type of nodes member.
1939         (elim_graph_add_node): Likewise.
1940         (eliminate_name): Likewise.
1941         (eliminate_build): Don't take basic block argument, deal only with
1942         partition numbers, not variables.
1943         (get_temp_reg): New static helper.
1944         (elim_create): Use it, deal with RTL temporaries instead of trees.
1945         (eliminate_phi): Adjust all calls to new signature.
1946         (assign_vars, replace_use_variable, replace_def_variable): Remove.
1947         (rewrite_trees): Only do checking.
1948         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
1949         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
1950         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
1951         contains_tree_r, MAX_STMTS_IN_LATCH,
1952         process_single_block_loop_latch, analyze_edges_for_bb,
1953         perform_edge_inserts): Remove.
1954         (expand_phi_nodes): New global function.
1955         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
1956         functions, initialize new parameter, remember partitions having a
1957         default def.
1958         (finish_out_of_ssa): New global function.
1959         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
1960         don't reset in_ssa_p here, don't disable TER when mudflap.
1961         (pass_del_ssa): Remove.
1962         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
1963         partition members.
1964         (execute_free_datastructures): Declare.
1965         * Makefile.in (SSAEXPAND_H): New variable.
1966         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
1967         * basic-block.h (commit_one_edge_insertion): Declare.
1968         * passes.c (init_optimization_passes): Move pass_nrv and
1969         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
1970         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
1971         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
1972         (redirect_branch_edge): Deal with super block when expanding, split
1973         out jump patching itself into ...
1974         (patch_jump_insn): ... here, new static helper.
1975
1976 2009-04-26  Michael Matz  <matz@suse.de>
1977
1978         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
1979         beyond num_ssa_names.
1980         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
1981         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
1982
1983 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
1984
1985         PR inline-asm/39543
1986         * fwprop.c (forward_propagate_asm): New function.
1987         (forward_propagate_and_simplify): Propagate also into __asm, if it
1988         doesn't increase the number of referenced registers.
1989
1990         PR c/39889
1991         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
1992
1993 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
1994
1995         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
1996         note_nonlocal_vla_type for nonlocal VLAs.
1997         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
1998         contains_remapped_vars, remap_vla_decls): New functions.
1999         (convert_nonlocal_reference_stmt): If not optimizing, call
2000         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
2001         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
2002         if it wasn't found in var_map.
2003         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
2004         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
2005         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
2006         declare_vars.
2007         * gimplify.c (nonlocal_vlas): New variable.
2008         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
2009         referenced VLAs.
2010         (gimplify_body): Create and destroy nonlocal_vlas.
2011
2012         * dwarf2out.c (loc_descr_plus_const): New function.
2013         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
2014         mem_loc_descriptor, loc_descriptor_from_tree_1,
2015         descr_info_loc, gen_variable_die): Use it.
2016
2017         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
2018         !TREE_STATIC VAR_DECLs.
2019         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
2020         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
2021         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
2022         DECL_BY_REFERENCE is valid.
2023         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
2024         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
2025         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
2026         Copy DECL_BY_REFERENCE.
2027         (struct nesting_copy_body_data): New type.
2028         (nesting_copy_decl): New function.
2029         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
2030         if they have variable length.
2031
2032 2009-04-26  Michael Matz  <matz@suse.de>
2033
2034         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
2035         mark new temporaries for renaming.
2036
2037 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
2038
2039         PR c/39581
2040         * c-decl.c (global_bindings_p): Return negative value.
2041         (c_variable_size): New.  Based on variable_size from
2042         stor-layout.c.
2043         (grokdeclarator): Call c_variable_size not variable_size.
2044
2045 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
2046
2047         * config/i386/i386.c (print_operand) ['z']: Fix typo.
2048
2049 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
2050
2051         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
2052         Redefine it to just use mingw/include.
2053         (ASM_SPEC): Rules for -m32 and -m64.
2054         (LINK_SPEC): Use Likewise.
2055         (SPEC_32): New define.
2056         (SPEC_64): Likewise.
2057         (SUB_LINK_SPEC): Likewise.
2058         (MULTILIB_DEFAULTS): New define.
2059         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
2060         Add multilib options.
2061         (MULTILIB_DIRNAMES): Likewise.
2062         (MULTILIB_OSDIRNAMES): Likewise.
2063         (LIBGCC): Likewise.
2064         (INSTALL_LIBGCC): Likewise.
2065
2066 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
2067
2068         PR c/39556
2069         * c-tree.h (enum c_inline_static_type): New.
2070         (record_inline_static): Declare.
2071         * c-decl.c (struct c_inline_static, c_inline_statics,
2072         record_inline_static, check_inline_statics): New.
2073         (pop_file_scope): Call check_inline_statics.
2074         (start_decl): Call record_inline_static instead of pedwarning
2075         directly for static in inline function.
2076         * c-typeck.c (build_external_ref): Call record_inline_static
2077         instead of pedwarning directly for static referenced in inline
2078         function.
2079
2080 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
2081
2082         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
2083         not new but only being rescanned.
2084         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
2085         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
2086         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
2087         record_set_info, compute_set, grealloc): Remove.
2088         (recompute_all_luids): New function.
2089         (gcse_main): Don't compute sets, and don't do related memory
2090         allocations/free-ing.  If something changed before the end of the
2091         pass, update LUIDs using recompute_all_luids.
2092         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
2093         (free_gcse_mem): Don't free it either.
2094         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
2095         Use the df insn LUIDs.
2096         (load_killed_in_block): Likewise.
2097         (compute_hash_table_work): Don't compute reg_set_in_block.
2098         (compute_transp): Use DF_REG_DEF_CHAINs.
2099         (local_cprop_pass): Don't use compute_sets and related functions.
2100         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
2101         Use get_max_uid() instead of max_cuid.
2102         (insert_insn_end_basic_block, pre_insert_copy_insn,
2103         update_ld_motion_stores): Don't try to
2104         keep reg_set tables up to date.
2105         (pre_insert_copies): Use df insn LUIDs.
2106         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
2107         (reg_set_info): Don't use extra bitmap argument.
2108         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
2109         information to compute regs_set_in_block.
2110         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
2111         (bypass_jumps): Don't use compute_sets and friends.
2112
2113 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2114
2115         PR testsuite/39710
2116         * opts.c (undocumented_msg): Do not leave blank even with
2117         ENABLE_CHECKING.
2118
2119 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
2120
2121         * c-decl.c (build_enumerator): Allow values folding to integer
2122         constants but not integer constant expressions with a pedwarn if
2123         pedantic.
2124
2125 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
2126
2127         PR c/39582
2128         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
2129         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
2130         type is an integer constant.
2131
2132 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
2133
2134         PR target/39897
2135         * config/i386/i386.c (print_operand) ['z']: Revert handling of
2136         HImode operands.
2137
2138 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
2139
2140         PR c/39564
2141         * c-decl.c (grokdeclarator): Diagnose declarations of functions
2142         with variably modified return type and no storage class
2143         specifiers, except for the case of nested functions.  Distinguish
2144         extern declarations of functions with variably modified return
2145         types from those of objects with variably modified types.
2146
2147 2009-04-25  Jan Hubicka  <jh@suse.cz>
2148
2149         * tree.c (list_equal_p): New function.
2150         * tree.h (list_equal_p): Declare.
2151         * coretypes.h (edge_def, edge, const_edge, basic_block_def
2152         basic_block_def, basic_block, const_basic_block): New.
2153         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
2154         (redirect_eh_edge): New function.
2155         (make_eh_edge_update_phi): EH edges are not abnormal.
2156         * except.c: Include tree-flow.h.
2157         (list_match): New function.
2158         (eh_region_replaceable_by_p): New function.
2159         (replace_region): New function.
2160         (hash_type_list): New function.
2161         (hash_eh_region): New function.
2162         (eh_regions_equal_p): New function.
2163         (merge_peers): New function.
2164         (remove_unreachable_regions): Verify EH tree when checking;
2165         merge peers.
2166         (copy_eh_region_1): New function.
2167         (copy_eh_region): New function.
2168         (push_reachable_handler): New function.
2169         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
2170         regions without label but with live RESX.
2171         * except.h (redirect_eh_edge_to_label): New.
2172         * tree-flow.h (redirect_eh_edge): New.
2173         * coretypes.h (edge_def, edge, const_edge, basic_block_def
2174         basic_block_def, basic_block, const_basic_block): Remove.
2175         * Makefile.in (except.o): Add dependency on tree-flow.h
2176         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
2177         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
2178         Remove.
2179
2180 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
2181
2182         PR bootstrap/39645
2183         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
2184         on the destination of memcpy.
2185
2186 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
2187
2188         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
2189         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
2190         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
2191
2192 2009-04-25  Jan Hubicka  <jh@suse.cz>
2193
2194         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
2195         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
2196         to be reached by different label than left.
2197         (update_eh_edges): Update comment; remove edge_to_remove if possible
2198         and return true if suceeded.
2199         (cleanup_empty_eh): Accept sharing map; handle shared regions.
2200         (cleanup_eh): Compute sharing map.
2201         * except.c (remove_eh_handler_and_replace): Add argument if we should
2202         update regions.
2203         (remove_unreachable_regions): Update for label sharing.
2204         (label_to_region_map): Likewise.
2205         (get_next_region_sharing_label): New function.
2206         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
2207         prev_try pointers.
2208         (remove_eh_handler): Update.
2209         (remove_eh_region_and_replace_by_outer_of): New function.
2210         * except.h (struct eh_region): Add next_region_sharing_label.
2211         (remove_eh_region_and_replace_by_outer_of,
2212         get_next_region_sharing_label): Declare.
2213         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
2214
2215 2009-04-25  Jan Hubicka  <jh@suse.cz>
2216
2217         * tree-cfg.c (split_critical_edges): Split also edges where we can't
2218         insert code even if they are not critical.
2219
2220 2009-04-25  Jan Hubicka  <jh@suse.cz>
2221
2222         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
2223         (gimple_can_remove_branch_p): EH edges won't remove branch by
2224         redirection.
2225         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
2226         updating of non-abnormal EH edges.
2227         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
2228         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
2229         (split_critical_edges): Split also edges where emitting code on them
2230         will lead to splitting later.
2231
2232 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
2233             H.J. Lu  <hongjiu.lu@intel.com>
2234
2235         PR target/39590
2236         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
2237         the configured assembler supports fildq and fistpq mnemonics.
2238         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
2239         * configure: Regenerated.
2240         * config.in: Ditto.
2241
2242         * config/i386/i386.c (print_operand): Handle 'Z'.
2243         ['z']: Remove handling of special fild/fist suffixes.
2244         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
2245         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
2246         suffix of fild insn.
2247         (*floatsi<mode>2_vector_mixed): Ditto.
2248         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
2249         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
2250         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
2251         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
2252         * config/i386/gas.h (GAS_MNEMONICS): Remove.
2253
2254 2009-04-25  Ben Elliston  <bje@au.ibm.com>
2255  
2256         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
2257         the source of a set operation.
2258
2259 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
2260
2261         * target.h (struct gcc_target): Add case_values_threshold field.
2262         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
2263         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
2264         * targhooks.c (default_case_values_threshold): New function.
2265         * targhooks.h (default_case_values_threshold): Declare function.
2266         * stmt.c (expand_case): Use case_values_threshold target hook.
2267         * expr.h (case_values_threshold): Remove declartation.
2268         * expr.c (case_values_threshold): Remove function.
2269         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
2270
2271         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
2272         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
2273         (avr_case_values_threshold): Declare as static.
2274         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
2275
2276         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
2277         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
2278         (mn10300_case_values_threshold): New function.
2279
2280 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
2281
2282         * ira.c (setup_cover_and_important_classes): Add enum cast.
2283
2284 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
2285
2286         * genpreds.c (write_enum_constraint_num): Output definition of
2287         CONSTRAINT_NUM_DEFINED_P macro.
2288         * ira.c (setup_cover_and_important_classes): Use
2289         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
2290         
2291 2009-04-24  DJ Delorie  <dj@redhat.com>
2292
2293         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
2294         __SH2A_SINGLE_ONLY__ also.
2295
2296 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
2297
2298         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
2299         (movdf_internal): Ditto.
2300         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
2301         SFmode and DFmode constants.
2302         (ia64_print_operand): Add 'G' format for printing
2303         floating point constants.
2304
2305 2009-04-24  Richard Guenther  <rguenther@suse.de>
2306
2307         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
2308         from unsigned additions.
2309
2310 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
2311
2312         * c-typeck.c (set_init_index): Allow array designators that are
2313         not integer constant expressions with a pedwarn if pedantic.
2314
2315 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2316
2317         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
2318         zero if no overlap in nonzero bits between the operands.
2319
2320 2009-04-24  Ian Lance Taylor  <iant@google.com>
2321
2322         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
2323         (record_dead_and_set_regs): Likewise.
2324         * df.h (struct df_mw_hardreg): Change flags field to int.
2325         (struct df_base_ref): Likewise.
2326         (struct df): Change changeable_flags field to int.
2327         * df-scan.c (df_defs_record): Change clobber_flags to int.
2328         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
2329         constants rather than #define macros.
2330         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
2331         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
2332         (enum dwarf_calling_convention): Likewise.
2333         (enum dwarf_line_number_x_ops): Likewise.
2334         (enum dwarf_call_frame_info): Likewise.
2335         (enum dwarf_source_language): Likewise.
2336         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
2337         (add_calling_convention_attribute): Likewise.
2338         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
2339         (combine_comparisons): Change compcode to int.  Add cast to enum type.
2340         * genrecog.c (maybe_both_true_2): Change c to int.
2341         (write_switch): Likewise.  Add cast to enum type.
2342         * gimplify.c (gimplify_omp_for): Handle return values from
2343         gimplify_expr using MIN rather than bitwise or.
2344         (gimplify_expr): Add cast to enum type.
2345         * ipa-prop.c (update_jump_functions_after_inlining): Change
2346         IPA_BOTTOM to IPA_JF_UNKNOWN.
2347         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
2348         Add casts to enum type.
2349         (setup_cover_and_important_classes): Change cl to int.  Add casts
2350         to enum type.
2351         (setup_class_translate): Change cl and mode to int.
2352         (ira_init_once): Change mode to int.
2353         (free_register_move_costs): Likewise.
2354         (setup_prohibited_mode_move_regs): Add casts to enum type.
2355         * langhooks.c (add_builtin_function_common): Rework assertion that
2356         value fits bitfield.
2357         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
2358         * omega.c (omega_do_elimination): Avoid math on enum types.
2359         * optabs.c (expand_vec_shift_expr): Remove casts to int.
2360         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
2361         int local to handle integral_argment value.
2362         * regmove.c (try_auto_increment): Change PUT_MODE to
2363         PUT_REG_NOTE_KIND.
2364         * reload.c (push_secondary_reload): Add casts to enum type.
2365         (secondary_reload_class, find_valid_class): Likewise.
2366         * reload1.c (emit_input_reload_insns): Likewise.
2367         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
2368         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
2369         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
2370         constant.
2371         * tree.c (build_common_builtin_nodes): Add casts to enum type.
2372         * tree-complex.c (complex_lattice_t): Typedef to int rather than
2373         enum type.
2374         (expand_complex_libcall): Add casts to enum type.
2375         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
2376         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
2377         with ERROR_MARK, not NUM_TREE_CODES.
2378         (vect_create_epilog_for_reduction): Likewise.
2379         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
2380         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
2381         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
2382         enum machine_mode.
2383         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
2384         vect_unused_in_loop.  Change 0 to loop_vect.
2385         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
2386         * var-tracking.c (get_init_value): Change return type to enum
2387         var_init_status.
2388         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
2389         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
2390         arm_fp_model.
2391         (arm_override_options): Add casts to enum type.
2392         (arm_emit_tls_decoration): Likewise.
2393         * config/i386/i386.c (ix86_function_specific_restore): Add casts
2394         to enum type.
2395         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
2396         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
2397         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
2398         enum type.
2399         * config/s390/s390.c (code_for_builtin_64): Change to array of
2400         enum insn_code.
2401         (code_for_builtin_31): Likewise.
2402         (s390_expand_builtin): Change code_for_builtin to enum insn_code
2403         const *.
2404         * config/sparc/sparc.c (sparc_override_options): Change value
2405         field in struct code_model to enum cmodel.  In initializer change
2406         0 to NULL and add cast to enum type.
2407
2408         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
2409         Change all callers.  Issue a -Wc++-compat warning using
2410         lhs_origtype if necessary.
2411         (convert_for_assignment): Issue -Wc++-compat warnings about
2412         invalid conversions to enum type on assignment.
2413         * c-common.h (build_modify_expr): Update declaration.
2414
2415 2009-04-24  Nick Clifton  <nickc@redhat.com>
2416
2417         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
2418         (function_arg_advance): Likewise.
2419         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
2420         5th alternative.
2421
2422 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2423
2424         * config/s390/constraints.md ('I', 'J'): Fix condition.
2425
2426 2009-04-24  Diego Novillo  <dnovillo@google.com>
2427
2428         * gengtype-parse.c (parse_error): Add newline after message.
2429
2430 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
2431
2432         * config/i386/sse.md (avxmodesuffixs): Removed.
2433         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
2434         (*avx_pinsr<ssevecsize>): This.
2435
2436 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2437
2438         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
2439         follow chains of regs with a single definition, and allow expressions
2440         that are function_invariant_p.
2441         (simple_rhs_p): Allow expressions that are function_invariant_p.
2442
2443 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
2444
2445         PR middle-end/39867
2446         * fold-const.c (fold_cond_expr_with_comparison): When folding
2447         > and >= to MAX, make sure the MAX uses the same type as the
2448         comparison's operands.
2449
2450 2009-04-24  Nick Clifton  <nickc@redhat.com>
2451
2452         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
2453         addressing for DImode accesses.
2454         (frv_print_operand_address): Handle PLUS case.
2455         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
2456
2457 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
2458
2459         PR rtl-optimization/39794
2460         * alias.c (canon_true_dependence): Add x_addr argument.
2461         * rtl.h (canon_true_dependence): Adjust prototype.
2462         * cse.c (check_dependence): Adjust canon_true_dependence callers.
2463         * cselib.c (cselib_invalidate_mem): Likewise.
2464         * gcse.c (compute_transp): Likewise.
2465         * dse.c (scan_reads_nospill): Likewise.
2466         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
2467         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
2468         canon_base_addr of the group, plus optional offset.
2469         (struct group_info): Rename canon_base_mem to
2470         canon_base_addr.
2471         (get_group_info): Set canon_base_addr to canon_rtx of base, not
2472         canon_rtx of base_mem.
2473
2474 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
2475
2476         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
2477         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
2478
2479 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2480
2481         * config/spu/spu-builtins.h: Delete file.
2482
2483         * config/spu/spu.h (enum spu_builtin_type): Move here from
2484         spu-builtins.h.
2485         (struct spu_builtin_description): Likewise.  Add GTY marker.
2486         Do not use enum spu_function_code or enum insn_code.
2487         (spu_builtins): Add extern declaration.
2488
2489         * config/spu/spu.c: Do not include "spu-builtins.h".
2490         (enum spu_function_code, enum spu_builtin_type_index,
2491         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
2492         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
2493         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
2494         unsigned_V2DI_type_node): Move here from spu-builtins.h.
2495         (spu_builtin_types): Make static.  Add GTY marker.
2496         (spu_builtins): Add extern declaration with GTY marker.
2497         Include "gt-spu.h".
2498
2499         * config/spu/spu-c.c: Do not include "spu-builtins.h".
2500         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
2501         Check programmatically whether all parameters are scalar.
2502
2503         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
2504
2505 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2506
2507         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
2508         assignment from the constructor either if the target is volatile.
2509
2510 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
2511
2512         * config/arm/arm.md (insv): Do not share operands[0].
2513
2514 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
2515
2516         * config/vxlib-tls.c (active_tls_threads): Delete.
2517         (delete_hook_installed): New.
2518         (tls_delete_hook): Don't delete the delete hook.
2519         (tls_destructor): Delete it here.
2520         (__gthread_set_specific): Adjust installing the delete hook.
2521         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
2522         __gthread_leave_tsd_dtor_context.
2523
2524 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
2525
2526         * c-format.c (gcc_tdiag_char_table): Add support for %E.
2527
2528 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
2529
2530         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
2531         enum type.
2532         (alpha_rtx_costs): Ditto.
2533         (emit_unlikely_jump): Use add_reg_note.
2534         (emit_frame_store_1): Ditto.
2535         (alpha_expand_prologue): Ditto.
2536         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
2537         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
2538
2539 2009-04-23  Nick Clifton  <nickc@redhat.com>
2540
2541         * config/v850/v850.md (epilogue): Remove suppressed code.
2542         (return): Rename to return_simple and remove test of frame size.
2543         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
2544         to gen_return_simple.
2545
2546 2009-04-22  Jing Yu  <jingyu@google.com>
2547
2548         PR testsuite/39781
2549         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2550
2551 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2552
2553         PR C/31499
2554         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
2555         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
2556         value is a VECTOR_CST, the element type is the element type of the
2557         vector.
2558
2559 2009-04-22  DJ Delorie  <dj@redhat.com>
2560
2561         * config/m32c/m32c.h: Update GTY annotations to new syntax.
2562
2563 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
2564
2565         * alias.c (find_base_term): Move around LO_SUM case, so that
2566         CONST falls through into PLUS/MINUS handling.
2567
2568         PR c/39855
2569         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
2570         into 0, use omit_one_operand.
2571
2572 2009-04-23  Ben Elliston  <bje@au.ibm.com>
2573
2574         * config/rs6000/linux-unwind.h (get_regs): Remove type
2575         puns. Change the type of `pc' to an array of unsigned ints and
2576         update all users.  Constify frame24.
2577
2578 2009-04-22  DJ Delorie  <dj@redhat.com>
2579
2580         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
2581         declarations before code.
2582         (current_function_special_page_vector): Likewise.
2583         (m32c_expand_insv): Silence a warning.
2584
2585 2009-04-21  Taras Glek  <tglek@mozilla.com>
2586
2587         * alias.c: Update GTY annotations to new syntax.
2588         * basic-block.h: Likewise.
2589         * bitmap.h: Likewise.
2590         * c-common.h: Likewise.
2591         * c-decl.c: Likewise.
2592         * c-parser.c: Likewise.
2593         * c-pragma.c: Likewise.
2594         * c-tree.h: Likewise.
2595         * cfgloop.h: Likewise.
2596         * cgraph.h: Likewise.
2597         * config/alpha/alpha.c: Likewise.
2598         * config/arm/arm.h: Likewise.
2599         * config/avr/avr.h: Likewise.
2600         * config/bfin/bfin.c: Likewise.
2601         * config/cris/cris.c: Likewise.
2602         * config/darwin.c: Likewise.
2603         * config/frv/frv.c: Likewise.
2604         * config/i386/i386.c: Likewise.
2605         * config/i386/i386.h: Likewise.
2606         * config/i386/winnt.c: Likewise.
2607         * config/ia64/ia64.h: Likewise.
2608         * config/iq2000/iq2000.c: Likewise.
2609         * config/mips/mips.c: Likewise.
2610         * config/mmix/mmix.h: Likewise.
2611         * config/pa/pa.c: Likewise.
2612         * config/pa/pa.h: Likewise.
2613         * config/rs6000/rs6000.c: Likewise.
2614         * config/s390/s390.c: Likewise.
2615         * config/sparc/sparc.c: Likewise.
2616         * config/xtensa/xtensa.c: Likewise.
2617         * cselib.h: Likewise.
2618         * dbxout.c: Likewise.
2619         * dwarf2out.c: Likewise.
2620         * except.c: Likewise.
2621         * except.h: Likewise.
2622         * fixed-value.h: Likewise.
2623         * function.c: Likewise.
2624         * function.h: Likewise.
2625         * gimple.h: Likewise.
2626         * integrate.c: Likewise.
2627         * optabs.c: Likewise.
2628         * output.h: Likewise.
2629         * real.h: Likewise.
2630         * rtl.h: Likewise.
2631         * stringpool.c: Likewise.
2632         * tree-data-ref.c: Likewise.
2633         * tree-flow.h: Likewise.
2634         * tree-scalar-evolution.c: Likewise.
2635         * tree-ssa-address.c: Likewise.
2636         * tree-ssa-alias.h: Likewise.
2637         * tree-ssa-operands.h: Likewise.
2638         * tree.c: Likewise.
2639         * tree.h: Likewise.
2640         * varasm.c: Likewise.
2641         * varray.h: Likewise.
2642         * vec.h: Likewise.
2643         * coretypes.h: Do not define GTY macro if it is already defined.
2644         * doc/gty.texi: Update GTY documentation to new syntax.
2645         * gengtype-lex.l: Enforce attribute-like syntax for GTY
2646         annotations on structs.
2647         * gengtype-parse.c: Likewise.
2648
2649 2009-04-22  Mark Heffernan  <meheff@google.com>
2650
2651         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
2652
2653 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
2654
2655         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
2656         where appropriate.
2657
2658 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
2659
2660         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
2661         the same as a PLUS without a shift.  Increase the cost of a
2662         CONST_INT in MULT.
2663
2664 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2665
2666         * Makefile.in: Update dependencies.
2667         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
2668         * errors.h: Remove bogus comment about compatibility.
2669         (warning): Update declaration.
2670         * genautomata.c: Update all calls to warning.
2671         * gimple.c: Do not include errors.h. Include toplev.h.
2672         * tree-ssa-structalias.c: Do not include errors.h.
2673         * omega.c: Likewise.
2674         * tree-ssa-reassoc.c: Likewise.
2675         * config/spu/spu-c.c: Likewise.
2676         * config/spu/t-spu-elf: Update dependencies.
2677
2678 2009-04-22  Richard Guenther  <rguenther@suse.de>
2679
2680         PR tree-optimization/39824
2681         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
2682         make sure the types are compatible.
2683
2684 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2685
2686         PR c++/14875
2687         * c-common.c (c_parse_error): Take a token_flags parameter.
2688         Use token_type for the token type instead.
2689         Pass token_flags to cpp_type2name.
2690         * c-common.h (c_parse_error): Update declaration.
2691         * c-parser.c (c_parser_error): Pass 0 as token flags.
2692
2693 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
2694
2695         PR rtl-optimization/39580
2696         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
2697         
2698 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2699
2700         * function.c (expand_function_end): Do not emit a jump to the "naked"
2701         return label for fall-through returns.
2702         * except.c (sjlj_emit_function_exit): Always place the call to the
2703         unregister function at the location installed by expand_function_end.
2704
2705 2009-04-22  Richard Guenther  <rguenther@suse.de>
2706
2707         PR tree-optimization/39845
2708         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
2709         (gen_inbound_check): Likewise.
2710
2711 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2712
2713         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
2714         padding for PPC.
2715         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
2716         * config/vxlib.c (__gthread_once): Add race guard for PPC.
2717
2718 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
2719
2720         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
2721         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
2722         shift counts to avoid out-of-bounds array accesses.
2723
2724 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
2725
2726         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
2727         (Pmode): Move above.
2728
2729 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
2730
2731         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
2732         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
2733         GET_CODE macro.  Use IN_RANGE macro where appropriate.
2734         * config/alpha/alpha.h: Ditto.
2735         * config/alpha/alpha.md: Ditto.
2736         * config/alpha/constraints.md: Ditto.
2737         * config/alpha/predicates.md: Ditto.
2738         
2739 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
2740
2741         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
2742         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2743         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2744         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2745         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2746         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2747         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2748         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2749         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2750         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2751         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2752         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2753         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2754         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2755         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2756         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2757         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2758         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2759         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2760         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2761         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2762         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2763         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2764         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2765         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2766         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2767         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2768
2769 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2770
2771         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
2772         references from comments.
2773         * cfgbuild.c: (count_basic_blocks): Delete.
2774         (find_basic_blocks_1): Delete.
2775         (find_basic_blocks): Delete.
2776         * except.c (finish_eh_generation): Make static.  Move comment from
2777         except.h here.  Remove find_basic_blocks references from comments.
2778         * except.h (finish_eh_generation): Delete.
2779         * basic-block.h (find_basic_blocks): Delete.
2780         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
2781
2782 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
2783
2784         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
2785         (sdbout_parms):  Likewise.
2786
2787 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
2788
2789         * config/sh/sh.c (prepare_cbranch_operands): Use
2790         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
2791         (expand_cbranchdi4): Likewise.
2792         (from_compare): Add cast to enum type.
2793         (expand_cbranchsi4): Use add_reg_note.
2794         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
2795         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
2796         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
2797         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
2798         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
2799         instead of CODE_FOR_nothing.
2800         (cbranchdi4): Likewise.  Fix the order of arguments for
2801         gen_rtx_fmt_ee.
2802         (push_fpscr): Use add_reg_note.
2803         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
2804         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
2805         
2806 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
2807
2808         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
2809         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
2810         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
2811         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
2812         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
2813         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
2814         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
2815         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
2816         config/alpha/x-vms, config/arc/t-arc,
2817         config/arm/README-interworking, config/arm/arm-c.c,
2818         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
2819         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
2820         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
2821         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
2822         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
2823         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
2824         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
2825         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
2826         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
2827         config/cris/t-elfmulti, config/crx/t-crx,
2828         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
2829         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
2830         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
2831         config/h8300/t-h8300, config/i386/athlon.md,
2832         config/i386/darwin-libgcc.10.4.ver,
2833         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
2834         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
2835         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
2836         config/i386/t-linux64, config/i386/t-nwld,
2837         config/i386/t-rtems-i386, config/i386/t-sol2-10,
2838         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
2839         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
2840         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
2841         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
2842         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
2843         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
2844         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
2845         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
2846         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
2847         config/m68k/t-uclinux, config/mcore/t-mcore,
2848         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
2849         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
2850         config/mips/crtn.asm, config/mips/irix-crti.asm,
2851         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
2852         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
2853         config/mips/mips-fixed.md, config/mips/sb1.md,
2854         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
2855         config/mips/t-iris6, config/mips/t-isa3264,
2856         config/mips/t-libgcc-mips16, config/mips/t-linux64,
2857         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
2858         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
2859         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
2860         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
2861         config/mn10300/t-linux, config/mn10300/t-mn10300,
2862         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
2863         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
2864         config/picochip/libgccExtras/clzsi2.asm,
2865         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
2866         config/rs6000/darwin-libgcc.10.4.ver,
2867         config/rs6000/darwin-libgcc.10.5.ver,
2868         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
2869         config/rs6000/t-aix43, config/rs6000/t-aix52,
2870         config/rs6000/t-darwin, config/rs6000/t-fprules,
2871         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
2872         config/rs6000/t-lynx, config/rs6000/t-netbsd,
2873         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
2874         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
2875         config/rs6000/t-rtems, config/rs6000/t-spe,
2876         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
2877         config/score/t-score-elf, config/sh/divcost-analysis,
2878         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
2879         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
2880         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
2881         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
2882         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
2883         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
2884         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
2885         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
2886         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
2887         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
2888         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
2889         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
2890         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
2891         limitx.h, version.c, xcoff.h: Add copyright and license notices.
2892         * config/h8300/genmova.sh: Include copyright and license notices
2893         in generated output.
2894         * config/h8300/mova.md: Regenerate.
2895         * doc/install.texi2html: Include word "Copyright" in copyright
2896         notice and use name "Free Software Foundation, Inc.".
2897         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
2898         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
2899         ChangeLog-2007, ChangeLog-2008: Correct dates.
2900
2901 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
2902
2903         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
2904         NE_EXPR operations as well.
2905         * c-parser.c (c_parser_condition): Do not set location information on
2906         the condition.
2907         (c_parser_conditional_expression): Likewise.
2908         (c_parser_binary_expression): Set location information on operators.
2909         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
2910         TRUTH_NOT_EXPR has been folded.
2911         * fold-const.c (fold_truth_not_expr): Copy location information from
2912         the incoming expression to the outgoing one.
2913         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
2914         recursive calls on the LHS of the operator but pass that of the
2915         operator to recursive calls on the RHS of the operator.  Set it
2916         on the COND_EXPR.
2917         (shortcut_cond_expr): Set the locus of the operator on the second
2918         COND_EXPR and that of the expression on the first in degenerate cases.
2919         Pass the locus of the expression to calls to shortcut_cond_r.
2920         Set the locus of the 'then' block on the associated jump, if any.
2921         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
2922         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
2923         expression to call to gimplify_boolean_expr.
2924
2925 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
2926
2927         * config.gcc: Add additional configuration for
2928         i686-w64-mingw* and x86_64-w64-mingw* triplet.
2929         * config/i386/mingw-w64.h: New mingw-w64 specific header.
2930         (CPP_SPEC): Redefine for allowing -municode option.
2931         (STARTFILE_SPEC): Likewise.
2932         * config/i386/t-mingw-w64: New.
2933         * config/i386/mingw-w64.opt: New.
2934         (municode): Add new target option.
2935         * doc/invoke.texi (municode): Add documentation for new option.
2936
2937 2009-04-21  Ian Lance Taylor  <iant@google.com>
2938
2939         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2940         Correct test for number of arguments.
2941         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
2942
2943 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
2944
2945         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
2946         argument of emit_library_call.
2947
2948 2009-04-21  Richard Guenther  <rguenther@suse.de>
2949
2950         PR middle-end/39829
2951         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
2952         inside VIEW_CONVERT_EXPRs.
2953
2954 2009-04-21  Martin Jambor  <mjambor@suse.cz>
2955
2956         * tree-switch-conversion.c (build_constructors): Split a long line.
2957         (constructor_contains_same_values_p): New function.
2958         (build_one_array): Create assigns of constants if possible, do not
2959         call mark_sym_for_renaming, call update_stmt.
2960         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
2961         make_rename_temp.  Do not call mark_symbols_for_renaming, call
2962         update_stmt.
2963         (gen_def_assigns): Do not call mark_symbols_for_renaming or
2964         find_new_referenced_vars, call update_stmt.
2965         (gen_inbound_check): Use create_tmp_var and create ssa names manually
2966         instead of calling make_rename_temp.  Do not call
2967         find_new_referenced_vars or mark_symbols_for_renaming, call
2968         update_stmt.
2969
2970 2009-04-21  Richard Guenther  <rguenther@suse.de>
2971
2972         PR tree-optimization/39827
2973         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
2974         (tree_ssa_phiprop): Pass the correct array size.
2975
2976 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
2977
2978         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
2979
2980 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2981
2982         PR 16202
2983         * c-typeck.c (lvalue_p): Move declaration ...
2984         * c-common.h (lvalue_p): ... to here.
2985         * c-common.c (candidate_equal_p): New.
2986         (add_tlist): Use it.
2987         (merge_tlist): Use it.
2988         (warn_for_collisions_1): Likewise.
2989         (warning_candidate_p): Accept more candidates.
2990         (verify_tree): A warning candidate can be an expression. Use
2991         candidate_equal_p.
2992
2993 2009-04-21  Ben Elliston  <bje@au.ibm.com>
2994
2995         PR target/5267
2996         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
2997         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
2998         options.  Remove -mcall-solaris documentation.
2999
3000 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3001
3002         PR c++/13358
3003         * doc/invoke.texi (-Wlong-long): Update description.
3004         * c-lex (interpret_integer): Only warn if there was no previous
3005         overflow and -Wlong-long is enabled.
3006         * c-decl.c (declspecs_add_type): Drop redundant flags.
3007         * c.opt (Wlong-long): Init to -1.
3008         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
3009         and front-end warn_long_long. Wlong-long only depends on other
3010         flags if it is uninitialized.
3011         * c-parser.c (disable_extension_diagnostics): warn_long_long is
3012         the same for CPP and FE.
3013         (restore_extension_diagnostics): Likewise.
3014
3015 2009-04-20  Ian Lance Taylor  <iant@google.com>
3016
3017         Fix enum conversions which are invalid in C++:
3018         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
3019         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
3020         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
3021         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
3022         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
3023         (dbxout_parms): Likewise.
3024         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
3025         (df_clear_flags): Likewise.
3026         * df-problems.c (df_rd_bb_local_compute_process_def): Change
3027         top_flag parameter to int.
3028         (df_chain_create_bb_process_use): Likewise.
3029         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
3030         Remove cast.
3031         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
3032         (df_ref_create_structure, df_def_record_1): Likewise.
3033         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
3034         (df_notes_rescan): Change 0 to VOIDmode in function call.
3035         (df_get_call_refs, df_insn_refs_collect): Likewise.
3036         (df_bb_regs_collect): Likewise.
3037         (df_entry_block_defs_collect): Likewise.
3038         (df_exit_block_uses_collect): Likewise.
3039         * df.h: Update declarations.
3040         * double-int.c (double_int_divmod): Add cast to enum type.
3041         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
3042         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
3043         (based_loc_descr): Likewise.
3044         (loc_descriptor_from_tree_1): Change first_op and second_op to
3045         enum dwarf_location_atom.  Add cast to enum type.
3046         * expmed.c (init_expmed): Change 0 to SET in function call.
3047         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
3048         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
3049         (do_store_flag): Likewise.
3050         * fixed-value.h (struct fixed_value): Change mode to enum
3051         machine_mode.
3052         * function.c (assign_parms): Change 0 to VOIDmode in function call.
3053         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
3054         function call.
3055         (insert_insn_decl, insert_decl, insert_state): Likewise.
3056         (automata_list_finish): Likewise.
3057         * genrecog.c (process_define_predicate): Add cast to enum type.
3058         * gensupport.c (init_predicate_table): Add cast to enum type.
3059         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
3060         function call.
3061         (gimple_build_call_1, gimple_build_label): Likewise.
3062         (gimple_build_goto, gimple_build_asm_1): Likewise.
3063         (gimple_build_switch_1, gimple_build_cdt): Likewise.
3064         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
3065         (enum fallback): Rename from enum fallback_t.
3066         (fallback_t): Typedef as int.
3067         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
3068         GSI_SAME_STMT in function call.
3069         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
3070         enum type.
3071         (setup_reg_class_relations): Likewise.
3072         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
3073         (setup_prohibited_class_mode_regs): Add cast to enum type.
3074         (setup_prohibited_mode_move_regs): Likewise.
3075         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
3076         (record_address_regs): Change i to enum reg_class.
3077         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
3078         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
3079         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
3080         (GET_MODE_2XWIDER_MODE): Likewise.
3081         (GET_CLASS_NARROWEST_MODE): Likewise.
3082         * omp-low.c (expand_omp_for): Add cast to enum type.
3083         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
3084         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
3085         * postreload.c (reload_cse_simplify_operands): Change rclass local
3086         to enum reg_class.
3087         * predict.c (combine_predictions_for_insn): Change best_predictor
3088         and predictor to enum br_predictor.
3089         (combine_predictions_for_bb): Likewise.
3090         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
3091         use SET_PREDICT_EXPR_OUTCOME.
3092         * real.c (real_arithmetic): Change icode to code in function call.
3093         * reginfo.c (init_move_cost): Add casts to enum type.
3094         (init_reg_sets_1, init_fake_stack_mems): Likewise.
3095         * regmove.c (regclass_compatible_p): Change class0 and class1 to
3096         enum reg_class.
3097         * reload.c (find_valid_class): Add casts to enum type.
3098         (push_reload): Change 0 to NO_REGS in function call.
3099         (find_reloads): Change this_alternative to array of enum
3100         reg_class.  Remove some now-unnecessary casts.
3101         (make_memloc): Change 0 to VOIDmode in function call.
3102         * reload1.c (reload): Change 0 to VOIDmode in function call.
3103         (eliminate_regs_1, elimination_effects): Likewise.
3104         (eliminate_regs_in_insn): Likewise.
3105         (emit_input_reload_insns): Add cast to enum type.
3106         (delete_output_reload): Change 0 to VOIDmode in function call.
3107         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
3108         to enum type in function call.
3109         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
3110         (SET_PREDICT_EXPR_OUTCOME): Define.
3111         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
3112         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
3113         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
3114         (dump_function): Likewise.
3115         * tree-dump.h: Update declarations.
3116         * tree-pass.h: Update declarations.
3117         * varasm.c (assemble_integer): Change mclass to enum mode_class.
3118         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
3119         enum type.
3120         (arm_rtx_costs_1): Correct parenthesization.
3121         (arm_rtx_costs): Add casts to enum type.
3122         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
3123         (vfp_emit_fstmd): Use add_rg_note.
3124         (emit_multi_reg_push, emit_sfm): Likewise.
3125         (thumb_set_frame_pointer): Likewise.
3126         (arm_expand_prologue): Likewise.
3127         (arm_regno_class): Change return type to enum reg_class.
3128         (thumb1_expand_prologue): Use add_reg_note.
3129         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
3130         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
3131         in function call.
3132         * config/arm/gentune.sh: Add cast to enum type.
3133         * config/arm/arm-tune.md: Rebuild.
3134         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
3135         (ix86_split_fp_branch, predict_jump): Likewise.
3136         (ix86_expand_multi_arg_builtin): Change sub_code from enum
3137         insn_code to enum rtx_code.
3138         (ix86_builtin_vectorized_function): Add cast to enum type.
3139         * config/i386/i386.md (truncdfsf2): Change slot to enum
3140         ix86_stack_slot.
3141         (truncxf<mode>2, isinf<mode>2): Likewise.
3142         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
3143         enum type.
3144         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
3145         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
3146         (insert_bundle_state): Change 1 to INSERT in function call.
3147         (ia64_add_bundle_selector_before): Likewise.
3148         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
3149         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
3150         (restore_stack_nonlocal): Likewise.
3151         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
3152         function call.
3153         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
3154         function call.
3155         (mips_rtx_costs): Likewise.
3156         (mips_override_options): Add casts to enum type.
3157         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
3158         in function call.
3159         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
3160         (store_reg, set_reg_plus_d): Likewise.
3161         (hppa_expand_prologue, hppa_profile_hook): Likewise.
3162         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
3163         cast to enum type.
3164         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
3165         function call.
3166         (emit_unlikely_jump): Use add_reg_note.
3167         (rs6000_emit_allocate_stack): Likewise.
3168         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
3169         (output_toc): Change 1 to INSERT in function call.
3170         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
3171         (rs6000_initialize_trampoline): Likewise.
3172         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
3173         function call.
3174         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
3175         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
3176         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
3177         (save_gprs): Use add_reg_note.
3178         (s390_emit_prologue): Likewise.
3179         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3180         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
3181         (sparc_fold_builtin): Add cast to enum type.
3182         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
3183         enum insn_code.
3184         (spu_expand_prologue): Use add_reg_note.
3185         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
3186
3187 2009-04-20  Ian Lance Taylor  <iant@google.com>
3188
3189         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
3190         (c_parser_postfix_expression_after_primary): Get VEC for list of
3191         arguments.  Get original types of arguments.  Call
3192         build_function_call_vec.
3193         (cached_expr_list_1, cached_expr_list_2): New static variables.
3194         (c_parser_expr_list): Change return type to VEC *.  Add
3195         p_orig_types parameter.  Change all callers.
3196         (c_parser_release_expr): New static function.
3197         (c_parser_vec_to_tree_list): New static function.
3198         * c-typeck.c (build_function_call): Rewrite to build a VEC and
3199         call build_function_call_vec.
3200         (build_function_call_vec): New function, based on old
3201         build_function_call.
3202         (convert_arguments): Remove nargs and argarray parameters.  Change
3203         values to a VEC.  Add origtypes parameter.
3204         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
3205         (convert_for_assignment): Add origtype parameter.  Change all
3206         callers.  If warn_cxx_compat, check for conversion to an enum
3207         type when calling a function.
3208         (store_init_value): Add origtype parameter.  Change all callers.
3209         (digest_init): Likewise.
3210         (struct init_node): Add origtype field.
3211         (add_pending_init): Add origtype parameter.  Change all callers.
3212         (output_init_element): Likewise.
3213         (output_pending_init_elements): Pass origtype from init_node to
3214         output_init_element.
3215         (process_init_element): Pass origtype from c_expr to
3216         output_init_element.
3217         (c_finish_return): Add origtype parameter.  Change all callers.
3218         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
3219         caller.
3220         (sync_resolve_params): Likewise.
3221         (sync_resolve_return): Change params to first_param.  Change caller.
3222         (resolve_overloaded_builtins): Change params to VEC *.  Change
3223         callers.  Save first parameter around call to build_function_call_vec.
3224         * c-decl.c (finish_decl): Add origtype parameter.  Change all
3225         callers.  Call build_function_call_vec rather than
3226         build_function_call for cleanup.
3227         * c-tree.h: Update declarations.
3228         * c-common.h: Update declarations.
3229         * stub-objc.c (objc_rewrite_function_call): Change parameter from
3230         params to first_param.
3231         * target.h (struct gcc_target): Change resolve_overloaded_builtin
3232         params parameter from tree to void *.
3233         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3234         Change arglist parameter to have type void *, and to be a pointer
3235         to a VEC.
3236         * config/rs6000/rs6000-protos.h
3237         (altivec_resolve_overloaded_builtin): Update declaration.
3238         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
3239         fnargs parameter to have type void *, and to be a pointer to a
3240         VEC.  Call build_function_call_vec instead of
3241         build_function_call.
3242         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
3243
3244 2009-04-20  Joey Ye  <joey.ye@intel.com>
3245             Xuepeng Guo  <xuepeng.guo@intel.com>
3246             H.J. Lu  <hongjiu.lu@intel.com>
3247
3248         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
3249
3250         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
3251         (IX86_LEA_PRIORITY): Likewise.
3252         (distance_non_agu_define): New function.
3253         (distance_agu_use): Likewise.
3254         (ix86_lea_for_add_ok): Likewise.
3255         (ix86_dep_by_shift_count): Likewise.
3256
3257         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
3258         should split for LEA.
3259
3260         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
3261         function.
3262         (ix86_dep_by_shift_count): Likewise.
3263
3264 2009-04-20  Richard Guenther  <rguenther@suse.de>
3265
3266         * expr.c (handled_component_p): Move ...
3267         * tree.h (handled_component_p): ... here.
3268         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
3269         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
3270         and REALPART_EXPR to be in one group.
3271
3272 2009-04-20  Richard Guenther  <rguenther@suse.de>
3273
3274         * basic-block.h (get_all_dominated_blocks): Declare.
3275         * dominance.c (get_all_dominated_blocks): New function.
3276         * tree-cfg.c (get_all_dominated_blocks): Remove.
3277         (remove_edge_and_dominated_blocks): Adjust.
3278         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
3279         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
3280         instead of recursing.
3281
3282 2009-04-20  Doug Kwan  <dougkwan@google.com>
3283
3284         * cgraph.h (cgraph_node_ptr): New type for vector functions.
3285         (struct cgraph_node_set_def): New type.
3286         (cgraph_node_set) New type. Also declare vector functions.
3287         (struct cgraph_node_set_element_def): New type.
3288         (cgraph_node_set_element): Ditto.
3289         (cgraph_node_set_iterator): New iterator type.
3290         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
3291         cgraph_node_set_remove, dump_cgraph_node_set,
3292         debug_cgraph_node_set): New prototypes.
3293         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
3294         cgraph_node_set_size): New inlines.
3295         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
3296         including cgraph.h.
3297         (struct ipa_opt_pass): Add struct cgraph_node_set_def
3298         argument to function 'write_summary'.
3299         * ipa.c: Include ggc.h.
3300         (hash_cgraph_node_set_element,
3301         eq_cgraph_node_set_element, cgraph_node_set_new,
3302         cgraph_node_set_add, cgraph_node_set_remove,
3303         cgraph_node_set_find, dump_cgraph_node_set,
3304         debug_cgraph_node_set): New functions.
3305         * Makefile.in (ipa.o): Add dependency on GGC_H.
3306
3307 2009-04-20  Ira Rosen  <irar@il.ibm.com>
3308
3309         PR tree-optimization/39675
3310         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
3311         check of the return code of vect_schedule_slp. Check that
3312         stmt_vec_info still exists for the statement, before checking its
3313         vectorization type.
3314
3315 2009-04-20  Michael Matz  <matz@suse.de>
3316
3317         * Makefile.in (generated_files): Take out $(simple_generated_c).
3318
3319 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
3320
3321         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
3322         (UINTPTR_TYPE):  Likewise.
3323
3324 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
3325
3326         PR c/37481
3327         * c-typeck.c (digest_init): Check for initializing an array with a
3328         string literal.
3329
3330 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
3331
3332         PR c/19771
3333         * c-semantics.c (pop_stmt_list): Propagate
3334         STATEMENT_LIST_HAS_LABEL to parent statement list.
3335
3336 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
3337
3338         * config/mips/mips.h (mips_tune_attr): New macro.
3339         * config/mips/mips.md (cpu): Use it.
3340
3341 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
3342
3343         PR c/38243
3344         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
3345         declaring a tag.
3346
3347 2009-04-19  Diego Novillo  <dnovillo@google.com>
3348
3349         * toplev.c (compile_file): Move call to coverage_finish ...
3350         * cgraphunit.c (ipa_passes): ... here.
3351         Call cgraph_process_new_functions.
3352         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
3353         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
3354
3355 2009-04-19  Jan Hubicka  <jh@suse.cz>
3356
3357         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
3358         cfun.
3359         (dump_cgraph_node): Dump can throw external flag.
3360         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
3361
3362 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3363
3364         PR c/32061
3365         PR c++/36954
3366         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
3367         * common.opt (Wlogical-op): Move from here...
3368         * c.opt (Wlogical-op): ... to here.
3369         * c-typeck.c (parser_build_binary_op): Update call to
3370         warn_logical_operator.
3371         * c-opts.c (c_common_post_options): Enable warn_logical_op with
3372         extra_warnings.
3373         * c-common.c (warn_logical_op): Update.
3374         * c-common.h (warn_logical_op): Update declaration.
3375
3376 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
3377
3378         * tree.c (protected_set_expr_location): Fix formatting.
3379
3380 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
3381
3382         PR c/27676
3383         * c-typeck.c (readonly_warning): new.
3384         (build_unary_op, build_modify_expr): Use readonly_warning for
3385         storing into something readonly but not const-qualified.
3386
3387 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
3388
3389         PR c/22367
3390         * c-typeck.c (build_unary_op): Check for taking address of
3391         expression of type void.
3392
3393 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
3394
3395         PR c/35210
3396         * c-typeck.c (build_function_call): Check for calling a function
3397         with qualified void return types.  Call require_complete_type when
3398         generating a trap.
3399
3400 2009-04-18  Jan Hubicka  <jh@suse.cz>
3401
3402         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
3403         Set nothrow flag.
3404         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
3405         can_throw_external flag.
3406         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
3407         * ipa-pure-const.c (ignore_edge): New function.
3408         (propagate): Compute order for NOTHROW computation; set NOTHROWs
3409         only over can_throw_external edges.
3410         (local_pure_const): Add nothrow flag.
3411         * ipa-utils.c (searchc): Add ignore_edge callback.
3412         (ipa_utils_reduced_inorder): Add ignore_edge callback.
3413         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
3414         (set_nothrow_function_flags): Update cgraph.
3415         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
3416
3417 2009-04-18  Richard Guenther  <rguenther@suse.de>
3418
3419         PR middle-end/39804
3420         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
3421         (fold_stmt): ... this and ...
3422         (fold_stmt_inplace): ... this.
3423         (fold_stmt_1): Fold references in calls and asms.
3424         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
3425
3426 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3427
3428         * tree-vrp.c (ssa_name_nonzero_p): Remove.
3429         * tree.h: Remove the prototype for ssa_name_nonzero_p.
3430
3431 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3432
3433         * tree.c (function_args_count): Remove.
3434         * tree.h: Remove the prototype for function_args_count.
3435
3436 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3437
3438         * tree-iterator.c (expr_only): Remove.
3439         * tree.h: Remove the prototype for expr_only.
3440
3441 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3442
3443         * reginfo.c (cannot_change_mode_set_regs): Remove.
3444         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
3445
3446 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
3447
3448         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
3449         whether operands 0 and 1 overlaps.
3450
3451 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3452
3453         PR middle-end/36902
3454         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
3455         pointer. Use warning_at instead of warning.
3456         (search_for_addr_array): Likewise.
3457         (check_array_bounds): Likewise.
3458         (check_all_array_refs): Check that the incoming edge is not in the
3459         list of edges to be removed.
3460         (check_all_array_refs): Avoid the temporal pointer.
3461         (vrp_visit_cond_stmt): Fix typo.
3462         (simplify_switch_using_ranges): Handle the case where the switch
3463         index is an integer constant.
3464
3465 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
3466
3467         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
3468
3469 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3470
3471         * doc/extend.texi, doc/invoke.texi: Fix typos.
3472
3473 2009-04-17  Cary Coutant  <ccoutant@google.com>
3474
3475         * tree-flow-inline.h (get_lineno): Fix inverted test.
3476
3477 2009-04-17  Diego Novillo  <dnovillo@google.com>
3478
3479         * tree-ssa-pre.c (create_expression_by_pieces): Remove
3480         assertion for AVAIL_OUT.
3481
3482 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
3483
3484         PR target/38627
3485         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
3486         * config/sh/linux-atomic.asm: Likewise.
3487
3488 2009-04-17  Diego Novillo  <dnovillo@google.com>
3489
3490         * except.c (debug_eh_tree): New.
3491         (struct eh_region, struct eh_status): Move ...
3492         * except.h: ... here.
3493         (add_type_for_runtime): Declare extern.
3494         (lookup_type_for_runtime): Likewise.
3495         (debug_eh_tree): Declare.
3496         * Makefile.in (GTFILES): List except.h before except.c
3497
3498 2009-04-17  Diego Novillo  <dnovillo@google.com>
3499
3500         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
3501         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
3502         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
3503         (find_vars_r): ... here.
3504         * tree-flow.h (find_referenced_vars_in): Declare.
3505         * tree-ssa-pre.c (create_expression_by_pieces): Assert
3506         that AVAIL_OUT exists for BLOCK.
3507         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
3508         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
3509         (tree-parloops.o): Likewise.
3510
3511 2009-04-17  Simon Baldwin  <simonb@google.com>
3512
3513         * toplev.c (default_tree_printer): Add handling for %E format.
3514
3515 2009-04-17  Diego Novillo  <dnovillo@google.com>
3516
3517         * tree-pretty-print.c (dump_generic_node): Add break after
3518         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
3519         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
3520         FUNCTION_TYPE together.  Call print_struct_decl when printing
3521         structures and TDF_SLIM is not given.
3522         (print_struct_decl): Fix logic for detecting recursion.
3523
3524 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
3525
3526         PR 31567
3527         * gcc.c (create_at_file): New.
3528         (compile_input_file_p): New.
3529         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
3530         * main.c (main): Update call to toplev_main.
3531         * toplev.c (toplev_main): Change signature. Call expandargv.
3532         * toplev.h (toplev_main): Change signature.
3533
3534 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
3535
3536         * dwarf2out.c (field_byte_offset): Use the type size as the field size
3537         if the latter is not constant.
3538
3539 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
3540
3541         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
3542
3543 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
3544
3545         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
3546         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
3547
3548 2009-04-17  Richard Guenther  <rguenther@suse.de>
3549
3550         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3551         Handle component references view-converting an invariant address.
3552
3553 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
3554
3555         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
3556         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
3557         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
3558         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
3559         Use @deftypevr rather than @deftypevar.
3560
3561 2009-04-17  Richard Guenther  <rguenther@suse.de>
3562
3563         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
3564         (get_prop_source_stmt): Likewise.
3565         (can_propagate_from): Likewise.
3566
3567 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
3568
3569         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
3570         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
3571         (--with-multilib-list): Add default value.
3572         * configure: Regenerate.
3573         * Makefile.in (TM_ENDIAN_CONFIG): Define.
3574         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
3575         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
3576         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
3577         Don't add default cpu to multilib list unnecessarily, but do enable
3578         the relevant compiler option..
3579         Add support for --with-multilib-list=<blank> and
3580         --with-multilib-list=!<somelib> to supress unwanted multilibs.
3581         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
3582         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
3583         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
3584         TM_MULTILIB_CONFIG.
3585         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
3586         (MULTILIB_OSDIRNAMES): New variable.
3587         * config/sh/t-1e: Delete file.
3588         * config/sh/t-mlib-sh1: Delete file.
3589         * config/sh/t-mlib-sh2: Delete file.
3590         * config/sh/t-mlib-sh2a: Delete file.
3591         * config/sh/t-mlib-sh2a-nofpu: Delete file.
3592         * config/sh/t-mlib-sh2a-single: Delete file.
3593         * config/sh/t-mlib-sh2a-single-only: Delete file.
3594         * config/sh/t-mlib-sh2e: Delete file.
3595         * config/sh/t-mlib-sh3e: Delete file.
3596         * config/sh/t-mlib-sh4: Delete file.
3597         * config/sh/t-mlib-sh4-nofpu: Delete file.
3598         * config/sh/t-mlib-sh4-single: Delete file.
3599         * config/sh/t-mlib-sh4-single-only: Delete file.
3600         * config/sh/t-mlib-sh4a: Delete file.
3601         * config/sh/t-mlib-sh4a-nofpu: Delete file.
3602         * config/sh/t-mlib-sh4a-single: Delete file.
3603         * config/sh/t-mlib-sh4a-single-only: Delete file.
3604         * config/sh/t-mlib-sh4al: Delete file.
3605         * config/sh/t-mlib-sh5-32media: Delete file.
3606         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
3607         * config/sh/t-mlib-sh5-64media: Delete file.
3608         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
3609         * config/sh/t-mlib-sh5-compact: Delete file.
3610         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
3611         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
3612         * doc/install.texi (Options specification): Add
3613         --with-multilib-list and --with-endian.
3614
3615 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
3616
3617         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
3618         REVISION_c.
3619         (OBJS-common): Add plugin-version.o.
3620         (plugin-version.o): New.
3621         * gcc-plugin.h (plugin_gcc_version): New.
3622         (plugin_default_version_check): New.
3623         (plugin_init_func, plugin_init): Add version argument.
3624         * plugin-version.c: New.
3625         * plugin.c (str_plugin_gcc_version_name): New.
3626         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
3627         pass it to the init function.
3628         (plugin_default_version_check): New.
3629
3630 2009-04-17  Richard Guenther  <rguenther@suse.de>
3631
3632         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
3633         for decl-vs-decl disambiguation.
3634
3635 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3636
3637         * config/s390/s390.h (s390_tune_attr): New macro definition.
3638         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
3639
3640 2009-04-17  Richard Guenther  <rguenther@suse.de>
3641
3642         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
3643         (fold_stmt_r): Likewise.
3644         (maybe_fold_reference): New function.
3645         (fold_gimple_assign): Handle cases fold_stmt_r did.
3646         (fold_stmt): Do not use fold_stmt_r.
3647         (fold_stmt_inplace): Likewise.
3648
3649 2009-04-17  Richard Guenther  <rguenther@suse.de>
3650
3651         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
3652         (record_equivalences_from_stmt): Remove useless checks and
3653         simplifications.
3654         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
3655         the type is already suitable.
3656
3657 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
3658
3659         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
3660
3661 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
3662
3663         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
3664         (CMPtype): Define as __gcc_CMPtype.
3665
3666 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
3667
3668         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
3669         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
3670
3671 2009-04-17  Richard Guenther  <rguenther@suse.de>
3672
3673         PR tree-optimization/39746
3674         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
3675         special-casing for builtins and static variable use/def.
3676         (call_may_clobber_ref_p_1): Likewise.
3677
3678 2009-04-16  Ian Lance Taylor  <iant@google.com>
3679
3680         * df.h: Include "timevar.h".
3681         (struct df_problem): Change tv_id field to timevar_id_t.
3682         * tree-pass.h: Include "timevar.h".
3683         (struct opt_pass): Change tv_id field to timevar_id_t.
3684         * timevar.h (timevar_id_t): Define TV_NONE.
3685         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
3686         TV_NONE rather than tv_id != 0.
3687         (execute_one_pass): Likewise.
3688         * Makefile.in (DF_H): Add $(TIMEVAR_H).
3689         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
3690         dependencies to $(TREE_PASS_H).
3691         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
3692         to TV_NONE.
3693         (pass_branch_target_load_optimize2): Likewise.
3694         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
3695         (pass_outof_cfg_layout_mode): Likewise.
3696         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
3697         (pass_rebuild_cgraph_edges): Likewise.
3698         (pass_remove_cgraph_callee_edges): Likewise.
3699         * df-core.c (pass_df_initialize_opt): Likewise.
3700         (pass_df_initialize_no_opt): Likewise.
3701         (pass_df_finish): Likewise.
3702         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
3703         * except.c (pass_set_nothrow_function_flags): Likewise.
3704         (pass_convert_to_eh_region_ranges): Likewise.
3705         * final.c (pass_compute_alignments): Likewise.
3706         * function.c (pass_instantiate_virtual_regs): Likewise.
3707         (pass_init_function): Likewise.
3708         (pass_leaf_regs): Likewise.
3709         (pass_match_asm_constraints): Likewise.
3710         * gimple-low.c (pass_lower_cf): Likewise.
3711         (pass_mark_used_blocks): Likewise.
3712         * init-regs.c (pass_initialize_regs): Likewise.
3713         * integrate.c (pass_initial_value_sets): Likewise.
3714         * ira.c (pass_ira): Likewise.
3715         * jump.c (pass_cleanup_barriers): Likewise.
3716         * omp-low.c (pass_expand_omp): Likewise.
3717         (pass_lower_omp): Likewise.
3718         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
3719         * recog.c (pass_split_all_insns): Likewise.
3720         (pass_split_after_reload): Likewise.
3721         (pass_split_before_regstack): Likewise.
3722         (pass_split_before_sched2): Likewise.
3723         (pass_split_for_shorten_branches): Likewise.
3724         * reginfo.c (pass_reginfo_init): Likewise.
3725         (pass_subregs_of_mode_init): Likewise.
3726         (pass_subregs_of_mode_finish): Likewise.
3727         * passes.c (pass_postreload): Likewise.
3728         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
3729         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
3730         (pass_warn_function_return): Likewise.
3731         (pass_warn_function_noreturn): Likewise.
3732         * tree-complex.c (pass_lower_complex): Likewise.
3733         (pass_lower_complex_O0): Likewise.
3734         * tree-if-conv.c (pass_if_conversion): Likewise.
3735         * tree-into-ssa.c (pass_build_ssa): Likewise.
3736         * tree-mudflap.c (pass_mudflap_1): Likewise.
3737         (pass_mudflap_2): Likewise.
3738         * tree-nomudflap.c (pass_mudflap_1): Likewise.
3739         (pass_mudflap_2): Likewise.
3740         * tree-nrv.c (pass_return_slot): Likewise.
3741         * tree-object-size.c (pass_object_sizes): Likewise.
3742         * tree-optimize.c (pass_all_optimizations): Likewise.
3743         (pass_early_local_passes): Likewise.
3744         (pass_all_early_optimizations): Likewise.
3745         (pass_cleanup_cfg): Likewise.
3746         (pass_cleanup_cfg_post_optimizing): Likewise.
3747         (pass_free_datastructures): Likewise.
3748         (pass_free_cfg_annotations): Likewise.
3749         (pass_fixup_cfg): Likewise.
3750         (pass_init_datastructures): Likewise.
3751         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
3752         (pass_late_warn_uninitialized): Likewise.
3753         (pass_update_address_taken): Likewise.
3754         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
3755         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
3756         (pass_cse_sincos): Likewise.
3757         (pass_convert_to_rsqrt): Likewise.
3758         * tree-ssa-structalias.c (pass_build_alias): Likewise.
3759         * tree-stdarg.c (pass_stdarg): Likewise.
3760         * tree-tailcall.c (pass_tail_recursion): Likewise.
3761         (pass_tail_calls): Likewise.
3762         * tree-vect-generic.c (pass_lower_vector): Likewise.
3763         (pass_lower_vector_ssa): Likewise.
3764         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
3765
3766 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
3767
3768         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
3769         XLR entry.
3770         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
3771         Handle -march=xlr.
3772         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
3773         logical and signext.
3774
3775 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
3776
3777         PR target/39767
3778         * config/sh/predicates.md (arith_operand): Check if the operand
3779         of TRUNCATE is a REG.
3780
3781 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3782
3783         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
3784         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
3785
3786 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3787
3788         * tree-iterator.c (tsi_split_statement_list_after,
3789         tsi_split_statement_list_before): Remove.
3790         * tree-iterator.h: Remove the prototypes for
3791         tsi_split_statement_list_after and tsi_split_statement_list_before.
3792
3793 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3794
3795         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
3796         * tree-ssa-propagate.h: Remove the prototype for
3797         stmt_makes_single_load.
3798
3799 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3800
3801         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
3802         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
3803
3804 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3805
3806         * tree-iterator.c (EXPR_LAST_BODY): Remove.
3807
3808 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3809
3810         * except.c (eh_region_outer_p): Remove.
3811         * except.h: Remove the prototype for eh_region_outer_p.
3812
3813 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3814
3815         * function.c (current_function_assembler_name): Remove.
3816         * function.h: Remove the prototype for
3817         current_function_assembler_name.
3818
3819 2009-04-16  Ian Lance Taylor  <iant@google.com>
3820
3821         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
3822         (add_reg_note): Call alloc_reg_note.
3823         * rtl.h (alloc_reg_note): Declare.
3824         * combine.c (try_combine): Use alloc_reg_note.
3825         (recog_for_combine, move_deaths): Likewise.
3826         (distribute_notes): Use alloc_reg_note and add_reg_note.
3827         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
3828         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
3829         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
3830
3831 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
3832
3833         PR rtl-optimization/39762
3834         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
3835         ira_may_move_out_cost): Add comments about way of their usage.
3836         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
3837
3838         * ira-conflicts.c (process_regs_for_copy): Use function
3839         ira_get_register_move_cost instead of global
3840         ira_register_move_cost.
3841
3842         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
3843         color_pass, move_spill_restore, update_curr_costs): Ditto.
3844
3845         * ira-lives.c (process_single_reg_class_operands): Ditto.
3846
3847         * ira-emit.c (emit_move_list): Ditto.
3848
3849         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
3850         (record_reg_classes): Ditto.  Use functions
3851         ira_get_register_move_cost and ira_get_may_move_cost instead of
3852         global vars ira_register_move_cost, ira_may_move_out_cost and
3853         ira_may_move_in_cost.
3854         (record_address_regs): Don't call ira_init_register_move_cost.
3855         Use function ira_get_may_move_cost instead of global
3856         ira_may_move_in_cost.
3857         (process_bb_node_for_hard_reg_moves): Use function
3858         ira_get_register_move_cost instead of global ira_register_move_cost.
3859         (ira_costs): Don't call ira_init_register_move_cost.
3860
3861 2009-04-16  Richard Guenther  <rguenther@suse.de>
3862
3863         * tree-cfg.c (verify_gimple_assign_binary):
3864         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
3865         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
3866         (create_general_new_stmt): Note that this function is broken.
3867
3868 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
3869
3870         * common.opt (fhelp): Add Var(help_flag).
3871         * gcc-plugin.h (plugin_info): Add help.
3872         * plugin.c (plugin_name_args): Add help.
3873         (register_plugin_info): Set plugin->help.
3874         (print_help_one_plugin): New.
3875         (print_plugins_help): New.
3876         * plugin.h (print_plugins_help): New.
3877         * toplev.c (toplev_main): Call print_plugins_help if needed.
3878
3879 2009-04-16  Richard Guenther  <rguenther@suse.de>
3880
3881         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
3882         (gimple_ior_addresses_taken_1): New function.
3883         (gimple_ior_addresses_taken): Likewise.
3884         * gimple.h (struct gimple_statement_with_ops_base): Remove
3885         addresses_taken member.
3886         (gimple_ior_addresses_taken): Declare.
3887         (gimple_addresses_taken, gimple_addresses_taken_ptr,
3888         gimple_set_addresses_taken): Remove.
3889         * ipa-reference.c (mark_address): New function.
3890         (scan_stmt_for_static_refs): Use it for marking addresses taken.
3891         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
3892         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
3893         (gimple_add_to_addresses_taken): Remove.
3894         (get_tmr_operands): Call mark_address_taken.
3895         (get_asm_expr_operands): Likewise.
3896         (get_expr_operands): Likewise.
3897         (build_ssa_operands): Do not clear the addresses_taken bitmap.
3898         (free_stmt_operands): Do not free it.
3899         * tree-ssa.c (delete_tree_ssa): Likewise.
3900         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
3901
3902 2009-04-16  Richard Guenther  <rguenther@suse.de>
3903
3904         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
3905         (walk_stmt_load_store_ops): Likewise.
3906         * gimple.c (get_base_loadstore): New function.
3907         (walk_stmt_load_store_addr_ops): Likewise.
3908         (walk_stmt_load_store_ops): Likewise.
3909         * ipa-pure-const.c (check_op): Simplify.
3910         (check_load, check_store): New functions.
3911         (check_stmt): Use walk_stmt_load_store_ops.
3912         * ipa-reference.c (mark_load): Adjust signature.
3913         (mark_store): Likewise.
3914         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
3915
3916 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
3917
3918         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
3919         (plugin_info): New.
3920         * opts.c (common_handle_option): Don't call print_version.
3921         * plugin.c (plugin_name_args): Add version.
3922         (register_plugin_info): New.
3923         (register_callback): Handle PLUGIN_INFO.
3924         (try_init_one_plugin): New.
3925         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
3926         if failed to init.
3927         (finalize_one_plugin): New.
3928         (finalize_plugins): New.
3929         (print_one_plugin): New.
3930         (print_plugins_versions): New.
3931         * plugin.h (print_plugins_versions): New.
3932         (finalize_plugins): New.
3933         * toplev.c (compile_file): Don't call initialize_plugins.
3934         (print_version): Call print_plugins_versions.
3935         (toplev_main): Call initialize_plugins. Print version if needed.
3936         Call finalize_plugins.
3937
3938 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
3939
3940         * common.opt (fversion): New.
3941         * gcc.c (print_version): New.
3942         (process_command): Don't print the version. Just set print_version.
3943         (main): Print version. Call subprocesses if print_version and
3944         verbose_flag are set.
3945         * opts.c (common_handle_option): Handle OPT_fversion.
3946
3947 2009-04-16  Richard Guenther  <rguenther@suse.de>
3948             Ira Rosen  <irar@il.ibm.com>
3949
3950         PR tree-optimization/39698
3951         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
3952         type of the reduction variable.  Only generate the def if
3953         it is needed.
3954
3955         * omp-low.c (expand_omp_for_generic): When converting to a pointer
3956         make sure to first convert to an integer of the same precision.
3957         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
3958         the type of the evolution correctly in computing the new
3959         induction variable base.
3960
3961 2009-04-16  Richard Guenther  <rguenther@suse.de>
3962
3963         PR middle-end/39625
3964         * tree-cfg.c (make_blocks): Split statements with to-be
3965         abnormal SSA names on the lhs.
3966
3967 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
3968
3969         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
3970         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
3971         * c-typeck.c (really_start_incremental_init): Likewise.
3972         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
3973         (TARGET_INITIALIZER): Remove it.
3974         * target.h (struct target): Remove vector_opaque_p.
3975         * tree.c (build_opaque_vector_type): New.
3976         * tree.h (TYPE_VECTOR_OPAQUE): New.
3977         (build_opaque_vector_type): Declare.
3978         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
3979         * config/rs6000/rs6000.c (build_opaque_vector_type,
3980         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
3981         (rs6000_init_builtins): Use build_opaque_vector_type for
3982         opaque_V4SI_type_node.
3983
3984 2009-04-15  Catherine Moore  <clm@codesourcery.com>
3985
3986         * debug.h (set_name):  Declare.
3987         * dwarf2out.c (dwarf2out_set_name): Declare.
3988         (dwarf2_debug_hooks): Add set_name.
3989         (find_AT_string): New.
3990         (add_AT_string): Call find_AT_string.
3991         (dwarf2out_set_name): New.
3992         * cp/decl.c (grokdeclarator): Call set_name.
3993         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
3994         * debug.c (do_nothing_debug_hooks):  Likewise.
3995         * dbxout.c (dbx_debug_hooks): Likewise.
3996         * sdbout.c (sdb_debug_hooks): Likewise.
3997
3998 2009-04-15  Michael Eager  <eager@eagercon.com>
3999
4000         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
4001         reg for single-precision FPU.
4002         * config/rs6000/rs6000.md (movsi_internal1): Only for
4003         !TARGET_SINGLE_FPU.
4004         (movsi_internal1_single): New. Add pattern to move SI values to/from
4005         single-precision FP regs.
4006
4007 2009-04-15  Richard Guenther  <rguenther@suse.de>
4008
4009         * omp-low.c (lower_rec_input_clauses): Build correct address
4010         expressions.
4011         (expand_omp_for_generic): Fix multiplication type.
4012         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
4013         (generate_memset_zero): Fix types.
4014         * tree-profile.c (prepare_instrumented_value): Correctly
4015         widen a pointer.
4016
4017 2009-04-15  Ian Lance Taylor  <iant@google.com>
4018
4019         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
4020         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
4021         for -Wall and for -Wc++-compat.
4022         (c_common_post_options): For C++, set warn_enum_compare if not
4023         already set.
4024         * c-tree.h (struct c_expr): Add field original_type.
4025         (build_external_ref): Update declaration.
4026         * c-parser.c (c_parser_braced_init): Set original_type.
4027         (c_parser_initelt): Likewise.
4028         (c_parser_expr_no_commas): Likewise.
4029         (c_parser_conditional_expression): Likewise.
4030         (c_parser_cast_expression): Likewise.
4031         (c_parser_unary_expression): Likewise.  Pull setting of
4032         original_code to top of function.
4033         (c_parser_sizeof_expression): Set original_type.
4034         (c_parser_alignof_expression): Likewise.
4035         (c_parser_postfix_expression): Likewise.  Pull setting of
4036         original_code to top of function.
4037         (c_parser_postfix_expression_after_paren_type): Set original_type.
4038         (c_parser_postfix_expression_after_primary): Likewise.
4039         (c_parser_expression): Likewise.
4040         * c-typeck.c (build_external_ref): Add type parameter.  Change all
4041         callers.
4042         (c_expr_sizeof_expr): Set original_type field.
4043         (parser_build_unary_op): Likewise.
4044         (parser_build_binary_op): Likewise.  Optionally warn about
4045         comparisons of enums of different types.
4046         (digest_init): Set original_type field.
4047         (really_start_incremental_init): Likewise.
4048         (push_init_level, pop_init_level): Likewise.
4049         * doc/invoke.texi (Warning Options): -Wenum-compare now
4050         supported in C.
4051
4052 2009-04-15  Richard Guenther  <rguenther@suse.de>
4053
4054         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
4055         out a necessary conversion.
4056         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
4057         names we didn't value number.
4058         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
4059
4060 2009-04-15  Richard Guenther  <rguenther@suse.de>
4061
4062         PR tree-optimization/39764
4063         * tree-ssa-ccp.c (get_value): Canonicalize value with
4064         canonicalize_float_value.
4065
4066 2009-04-15  Jan Hubicka  <jh@suse.cz>
4067
4068         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
4069         Wrong version of patch.
4070
4071 2009-04-15  Jan Hubicka  <jh@suse.cz>
4072
4073         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
4074
4075 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
4076
4077         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
4078         our distinct integral and vector types.
4079
4080 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
4081
4082         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
4083         * init.c (build_vtbl_address): Remove call to assemble_external.
4084
4085 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
4086
4087         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
4088         output for other floating point modes.
4089
4090 2009-04-14  Diego Novillo  <dnovillo@google.com>
4091
4092         * diagnostic.c (diagnostic_report_diagnostic): Do not
4093         warn about loaded plugins for DK_ERROR and DK_WARNING.
4094         * c-decl.c (declspecs_add_type): Move call to
4095         invoke_plugin_callbacks ...
4096         * c-parser.c (c_parser_declspecs): ... here.
4097         * plugin.c (dump_active_plugins): Tidy output.
4098
4099 2009-04-14  Diego Novillo  <dnovillo@google.com>
4100             Le-Chun Wu  <lcwu@google.com>
4101
4102         * configure.ac: Add --enable-plugin support.
4103         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
4104         * Makefile.in (PLUGIN_H): Define.
4105         Export ENABLE_PLUGIN and GMPINC to site.exp.
4106         Add PLUGINLIBS to link command.
4107         Add/modify dependencies for plugin.o and files including plugin.h.
4108         (plugin.o): New.
4109         * config.in: Regenerate.
4110
4111         * opts.c (common_handle_option): Handle OPT_fplugin_ and
4112         OPT_fplugin_arg_.
4113
4114 2009-04-14  Le-Chun Wu  <lcwu@google.com>
4115
4116         * tree-pass.h (register_one_dump_file): Add a prototype for
4117         register_one_dump_file.
4118         * toplev.c (compile_file): Call initialize_plugins.
4119         (do_compile): Call invoke_plugin_callbacks.
4120         (toplev_main): Call invoke_plugin_callbacks.
4121         * common.opt: Add -fplugin= and -fplugin-arg-.
4122         * gcc-plugin.h: New public header file for plugins to include.
4123         * plugin.c: New source file.
4124         * plugin.h: New internal header file.
4125         * passes.c (register_one_dump_file): Make it external.
4126
4127         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
4128
4129 2009-04-14  Diego Novillo  <dnovillo@google.com>
4130
4131         * doc/plugins.texi: New.
4132         * doc/gccint.texi: Add reference to Plugins chapter.
4133         * doc/invoke.texi: Document -fplugin and -fplugin-arg
4134         * diagnostic.c (diagnostic_report_diagnostic): Warn about
4135         loaded plugins, if any.
4136         * timevar.def (TV_PLUGIN_INIT): Define.
4137         (TV_PLUGIN_RUN): Define.
4138         * plugin.c: Include timevar.h
4139         (plugins_active_p): New.
4140         (dump_active_plugins): New.
4141         (debug_active_plugins): New.
4142
4143 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
4144
4145         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
4146         library paths.
4147         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
4148
4149 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
4150
4151         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
4152         the same as a minus without a shift.
4153
4154 2009-04-14  Nick Clifton  <nickc@redhat.com>
4155
4156         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
4157         comparisons with small integers will always produce a short
4158         branch.
4159
4160 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
4161
4162         Merge:
4163         2008-12-19  Diego Novillo  <dnovillo@google.com>
4164
4165         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
4166
4167 2009-04-14  Richard Guenther  <rguenther@suse.de>
4168
4169         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
4170         verification.
4171         (verify_gimple_assign_binary): Likewise.  Handle shifts and
4172         rotates correctly.
4173         (verify_gimple_phi): Print the mismatched argument position.
4174         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
4175         Fix types.
4176         (vect_update_init_of_dr): Likewise.
4177         * matrix-reorg.c (transform_access_sites): Do what the
4178         comment suggests.
4179         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
4180
4181 2009-04-13  Michael Eager  <eager@eagercon.com>
4182
4183         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
4184         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
4185         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
4186         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
4187         remove duplicate config
4188
4189 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4190
4191         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
4192         file_name:line_number type locator of the call site.
4193
4194 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
4195
4196         * genautomata.c: Put blank after comma.
4197         (automaton_decls): New.
4198         (struct unit_usage): Add comments to member next.
4199         (store_alt_unit_usage): Keep the list ordered.
4200         (unit_present_on_list_p, equal_alternatives_p): New.
4201         (check_regexp_units_distribution): Check units distribution
4202         correctness correctly.
4203         (main): Don't write automata if error is found.  Return correct
4204         exit code.
4205
4206         * config/m68k/cf.md (cfv4_ds): Remove.
4207         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
4208         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
4209
4210         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
4211         power4-load-ext, power4-store, power4-store-update,
4212         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
4213         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
4214         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
4215         power4-sqrt, power4-isync): Modify reservation to make correct
4216         unit distribution to automata.
4217
4218         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
4219         power5-store-update, power5-two, power5-three, power5-lmul,
4220         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
4221
4222 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
4223
4224         * except.c (pass_set_nothrow_function_flags): Set name and add
4225         TODO_dump_func.
4226         (set_nothrow_function_flags): Mention in the dump file when
4227         changing a function to nothrow.
4228
4229 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
4230
4231         PR/39066
4232         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
4233         instead of unsigned long.
4234
4235 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4236
4237         * config/arm/arm.c (return_used_this_function): Remove.
4238         (arm_output_function_prologue): Remove use of
4239         return_used_this_function.
4240         (output_return_instruction): Replace use of
4241         return_used_this_function
4242         by cfun->machine->return_used_this_function.
4243         (arm_output_epilogue): Likewise.
4244         (arm_output_function_epilogue): Likewise.
4245         (thumb_unexpanded_epilogue): Likewise.
4246         * config/arm/arm.h (struct machine_function):
4247         New member return_used_this_function.
4248
4249 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
4250
4251         * doc/install.texi: Correct description of default directory for
4252         --with-gxx-include-dir.
4253
4254 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
4255
4256         * fold-const.c (build_range_check): Properly deal with enumeral and
4257         boolean base types.
4258
4259 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
4260
4261         * doc/invoke.texi (max_gcse_passes): Remove documentation.
4262         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
4263         * params.h (MAX_GCSE_PASSES): Remove.
4264         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
4265         in sequence.  Remove ability to run multiple passes.
4266         (bypass_jumps): Report run as third CPROP pass.
4267
4268 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
4269
4270         PR middle-end/39651
4271         * except.c (can_throw_external): Look at each insn in a SEQUENCE
4272         when deciding whether the whole SEQUENCE can throw.
4273
4274 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
4275
4276         PR target/39740
4277         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
4278         offseted label references.
4279
4280 2009-04-11  Jan Hubicka  <jh@suse.cz>
4281
4282         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
4283
4284 2009-04-11  Richard Guenther  <rguenther@suse.de>
4285
4286         PR middle-end/39732
4287         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
4288         return variables as TREE_ADDRESSABLE.
4289
4290 2009-04-11  Richard Guenther  <rguenther@suse.de>
4291
4292         PR tree-optimization/39713
4293         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
4294         reference trees have SSA_NAME operands.
4295
4296 2009-04-11  Richard Guenther  <rguenther@suse.de>
4297
4298         PR c/39712
4299         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
4300         address expressions.
4301
4302 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
4303
4304         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
4305         match changes in Cygwin 1.7
4306         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
4307         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
4308
4309 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
4310
4311         PR tree-optimization/39701
4312         * doc/invoke.texi (Optimization Options): Document change in
4313         meaning and initialization of -fdelete-null-pointer-checks.
4314
4315 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
4316
4317         PR middle-end/39701
4318         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
4319
4320         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
4321         here.
4322
4323         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
4324
4325 2009-04-10  Chao-ying Fu  <fu@mips.com>
4326
4327         * doc/tm.texi (Instruction Output): Document
4328         TARGET_ASM_FINAL_POSTSCAN_INSN.
4329         * target.h (final_postscan_insn): New field in asm_out.
4330         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
4331         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
4332         * final.c (final_scan_insn): Call
4333         targetm.asm_out.final_postscan_insn after outputting
4334         an asm macro and a normal instruction.
4335
4336         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
4337         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
4338         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
4339         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
4340         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
4341
4342 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
4343
4344         PR middle-end/39701
4345         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
4346         variables as non-NULL even with -fdelete-null-pointer-checks.
4347
4348 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
4349
4350         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
4351
4352 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4353
4354         PR target/39678
4355         * config/i386/i386.c (classify_argument): Handle SCmode with
4356         (bit_offset % 64) != 0.
4357
4358 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
4359
4360         * doc/invoke.texi (Optimize Options): Add cross-reference to
4361         -Q --help=optimizers examples.
4362
4363 2009-04-10  Ben Elliston  <bje@au.ibm.com>
4364
4365         PR target/36800
4366         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
4367         regalign for the reg == fpr and TDmode case.
4368
4369 2009-04-09  David Ayers  <ayers@fsfe.org>
4370
4371         PR objc/29200
4372         * objc/objc-act.c (warn_with_method): Remove helper function.
4373         (check_duplicates): Call warning and inform directly.
4374         (really_start_method): Likewise.
4375
4376 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
4377
4378         * expmed.c (expand_divmod): Always use a comparison for a division
4379         by a large unsigned integer.
4380
4381         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
4382         for things others than variables or functions as nonzero.
4383
4384 2009-04-09  Nick Clifton  <nickc@redhat.com>
4385
4386         * unwind-compat.c: Change copyright header to refer to version
4387         3 of the GNU General Public License with version 3.1 of the
4388         GCC Runtime Library Exception and to point readers at the
4389         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
4390         * config/alpha/crtfastmath.c: Likewise.
4391         * config/alpha/linux-unwind.h: Likewise.
4392         * config/alpha/qrnnd.asm: Likewise.
4393         * config/alpha/vms-crt0-64.c: Likewise.
4394         * config/alpha/vms-crt0.c: Likewise.
4395         * config/alpha/vms-dwarf2.asm: Likewise.
4396         * config/alpha/vms-dwarf2eh.asm: Likewise.
4397         * config/alpha/vms-psxcrt0-64.c: Likewise.
4398         * config/alpha/vms-psxcrt0.c: Likewise.
4399         * config/alpha/vms_tramp.asm: Likewise.
4400         * config/arc/initfini.c: Likewise.
4401         * config/arc/lib1funcs.asm: Likewise.
4402         * config/arm/bpabi-v6m.S: Likewise.
4403         * config/arm/bpabi.S: Likewise.
4404         * config/arm/bpabi.c: Likewise.
4405         * config/arm/crti.asm: Likewise.
4406         * config/arm/crtn.asm: Likewise.
4407         * config/arm/ieee754-df.S: Likewise.
4408         * config/arm/ieee754-sf.S: Likewise.
4409         * config/arm/lib1funcs.asm: Likewise.
4410         * config/arm/libunwind.S: Likewise.
4411         * config/arm/linux-atomic.c: Likewise.
4412         * config/arm/mmintrin.h: Likewise.
4413         * config/arm/pr-support.c: Likewise.
4414         * config/arm/unaligned-funcs.c: Likewise.
4415         * config/arm/unwind-arm.c: Likewise.
4416         * config/arm/unwind-arm.h: Likewise.
4417         * config/avr/libgcc.S: Likewise.
4418         * config/bfin/crti.s: Likewise.
4419         * config/bfin/crtlibid.s: Likewise.
4420         * config/bfin/crtn.s: Likewise.
4421         * config/bfin/lib1funcs.asm: Likewise.
4422         * config/bfin/linux-unwind.h: Likewise.
4423         * config/cris/arit.c: Likewise.
4424         * config/cris/cris_abi_symbol.c: Likewise.
4425         * config/darwin-64.c: Likewise.
4426         * config/darwin-crt2.c: Likewise.
4427         * config/darwin-crt3.c: Likewise.
4428         * config/darwin.h: Likewise.
4429         * config/dbxelf.h: Likewise.
4430         * config/dfp-bit.c: Likewise.
4431         * config/dfp-bit.h: Likewise.
4432         * config/elfos.h: Likewise.
4433         * config/fixed-bit.c: Likewise.
4434         * config/fixed-bit.h: Likewise.
4435         * config/fp-bit.c: Likewise.
4436         * config/fp-bit.h: Likewise.
4437         * config/fr30/crti.asm: Likewise.
4438         * config/fr30/crtn.asm: Likewise.
4439         * config/fr30/lib1funcs.asm: Likewise.
4440         * config/freebsd-spec.h: Likewise.
4441         * config/frv/cmovd.c: Likewise.
4442         * config/frv/cmovh.c: Likewise.
4443         * config/frv/cmovw.c: Likewise.
4444         * config/frv/frvbegin.c: Likewise.
4445         * config/frv/frvend.c: Likewise.
4446         * config/frv/lib1funcs.asm: Likewise.
4447         * config/glibc-stdint.h: Likewise.
4448         * config/h8300/clzhi2.c: Likewise.
4449         * config/h8300/crti.asm: Likewise.
4450         * config/h8300/crtn.asm: Likewise.
4451         * config/h8300/ctzhi2.c: Likewise.
4452         * config/h8300/fixunssfsi.c: Likewise.
4453         * config/h8300/lib1funcs.asm: Likewise.
4454         * config/h8300/parityhi2.c: Likewise.
4455         * config/h8300/popcounthi2.c: Likewise.
4456         * config/i386/ammintrin.h: Likewise.
4457         * config/i386/att.h: Likewise.
4458         * config/i386/avxintrin.h: Likewise.
4459         * config/i386/biarch64.h: Likewise.
4460         * config/i386/bmmintrin.h: Likewise.
4461         * config/i386/cpuid.h: Likewise.
4462         * config/i386/cross-stdarg.h: Likewise.
4463         * config/i386/crtfastmath.c: Likewise.
4464         * config/i386/crtprec.c: Likewise.
4465         * config/i386/cygming-crtbegin.c: Likewise.
4466         * config/i386/cygming-crtend.c: Likewise.
4467         * config/i386/cygwin.asm: Likewise.
4468         * config/i386/emmintrin.h: Likewise.
4469         * config/i386/gmm_malloc.h: Likewise.
4470         * config/i386/gthr-win32.c: Likewise.
4471         * config/i386/i386.h: Likewise.
4472         * config/i386/immintrin.h: Likewise.
4473         * config/i386/linux-unwind.h: Likewise.
4474         * config/i386/linux64.h: Likewise.
4475         * config/i386/mm3dnow.h: Likewise.
4476         * config/i386/mmintrin-common.h: Likewise.
4477         * config/i386/mmintrin.h: Likewise.
4478         * config/i386/nmmintrin.h: Likewise.
4479         * config/i386/pmm_malloc.h: Likewise.
4480         * config/i386/pmmintrin.h: Likewise.
4481         * config/i386/smmintrin.h: Likewise.
4482         * config/i386/sol2-c1.asm: Likewise.
4483         * config/i386/sol2-ci.asm: Likewise.
4484         * config/i386/sol2-cn.asm: Likewise.
4485         * config/i386/sol2-gc1.asm: Likewise.
4486         * config/i386/tmmintrin.h: Likewise.
4487         * config/i386/unix.h: Likewise.
4488         * config/i386/w32-unwind.h: Likewise.
4489         * config/i386/wmmintrin.h: Likewise.
4490         * config/i386/x86-64.h: Likewise.
4491         * config/i386/x86intrin.h: Likewise.
4492         * config/i386/xmmintrin.h: Likewise.
4493         * config/ia64/crtbegin.asm: Likewise.
4494         * config/ia64/crtend.asm: Likewise.
4495         * config/ia64/crtfastmath.c: Likewise.
4496         * config/ia64/crti.asm: Likewise.
4497         * config/ia64/crtn.asm: Likewise.
4498         * config/ia64/fde-glibc.c: Likewise.
4499         * config/ia64/lib1funcs.asm: Likewise.
4500         * config/ia64/linux-unwind.h: Likewise.
4501         * config/ia64/quadlib.c: Likewise.
4502         * config/ia64/unwind-ia64.c: Likewise.
4503         * config/linux.h: Likewise.
4504         * config/m32c/m32c-lib1.S: Likewise.
4505         * config/m32c/m32c-lib2-trapv.c: Likewise.
4506         * config/m32c/m32c-lib2.c: Likewise.
4507         * config/m32r/initfini.c: Likewise.
4508         * config/m68hc11/larith.asm: Likewise.
4509         * config/m68hc11/m68hc11-crt0.S: Likewise.
4510         * config/m68k/cf.md: Likewise.
4511         * config/m68k/crti.s: Likewise.
4512         * config/m68k/crtn.s: Likewise.
4513         * config/m68k/lb1sf68.asm: Likewise.
4514         * config/m68k/linux-unwind.h: Likewise.
4515         * config/mcore/crti.asm: Likewise.
4516         * config/mcore/crtn.asm: Likewise.
4517         * config/mcore/lib1.asm: Likewise.
4518         * config/mips/linux-unwind.h: Likewise.
4519         * config/mips/loongson.h: Likewise.
4520         * config/mips/mips16.S: Likewise.
4521         * config/mmix/crti.asm: Likewise.
4522         * config/mmix/crtn.asm: Likewise.
4523         * config/pa/fptr.c: Likewise.
4524         * config/pa/hpux-unwind.h: Likewise.
4525         * config/pa/lib2funcs.asm: Likewise.
4526         * config/pa/linux-atomic.c: Likewise.
4527         * config/pa/linux-unwind.h: Likewise.
4528         * config/pa/milli64.S: Likewise.
4529         * config/pa/quadlib.c: Likewise.
4530         * config/pa/stublib.c: Likewise.
4531         * config/picochip/libgccExtras/adddi3.asm: Likewise.
4532         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
4533         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
4534         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
4535         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
4536         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
4537         * config/picochip/libgccExtras/divmod15.asm: Likewise.
4538         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
4539         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
4540         * config/picochip/libgccExtras/longjmp.asm: Likewise.
4541         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
4542         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
4543         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
4544         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
4545         * config/picochip/libgccExtras/setjmp.asm: Likewise.
4546         * config/picochip/libgccExtras/subdi3.asm: Likewise.
4547         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
4548         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
4549         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
4550         * config/rs6000/750cl.h: Likewise.
4551         * config/rs6000/altivec.h: Likewise.
4552         * config/rs6000/biarch64.h: Likewise.
4553         * config/rs6000/crtresfpr.asm: Likewise.
4554         * config/rs6000/crtresgpr.asm: Likewise.
4555         * config/rs6000/crtresxfpr.asm: Likewise.
4556         * config/rs6000/crtresxgpr.asm: Likewise.
4557         * config/rs6000/crtsavfpr.asm: Likewise.
4558         * config/rs6000/crtsavgpr.asm: Likewise.
4559         * config/rs6000/darwin-asm.h: Likewise.
4560         * config/rs6000/darwin-fallback.c: Likewise.
4561         * config/rs6000/darwin-fpsave.asm: Likewise.
4562         * config/rs6000/darwin-ldouble.c: Likewise.
4563         * config/rs6000/darwin-tramp.asm: Likewise.
4564         * config/rs6000/darwin-unwind.h: Likewise.
4565         * config/rs6000/darwin-vecsave.asm: Likewise.
4566         * config/rs6000/darwin-world.asm: Likewise.
4567         * config/rs6000/e500crtres32gpr.asm: Likewise.
4568         * config/rs6000/e500crtres64gpr.asm: Likewise.
4569         * config/rs6000/e500crtres64gprctr.asm: Likewise.
4570         * config/rs6000/e500crtrest32gpr.asm: Likewise.
4571         * config/rs6000/e500crtrest64gpr.asm: Likewise.
4572         * config/rs6000/e500crtresx32gpr.asm: Likewise.
4573         * config/rs6000/e500crtresx64gpr.asm: Likewise.
4574         * config/rs6000/e500crtsav32gpr.asm: Likewise.
4575         * config/rs6000/e500crtsav64gpr.asm: Likewise.
4576         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
4577         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
4578         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
4579         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
4580         * config/rs6000/eabi-ci.asm: Likewise.
4581         * config/rs6000/eabi-cn.asm: Likewise.
4582         * config/rs6000/eabi.asm: Likewise.
4583         * config/rs6000/linux-unwind.h: Likewise.
4584         * config/rs6000/linux64.h: Likewise.
4585         * config/rs6000/paired.h: Likewise.
4586         * config/rs6000/paired.md: Likewise.
4587         * config/rs6000/ppc64-fp.c: Likewise.
4588         * config/rs6000/ppu_intrinsics.h: Likewise.
4589         * config/rs6000/rs6000.h: Likewise.
4590         * config/rs6000/si2vmx.h: Likewise.
4591         * config/rs6000/sol-ci.asm: Likewise.
4592         * config/rs6000/sol-cn.asm: Likewise.
4593         * config/rs6000/spe.h: Likewise.
4594         * config/rs6000/spu2vmx.h: Likewise.
4595         * config/rs6000/sysv4.h: Likewise.
4596         * config/rs6000/tramp.asm: Likewise.
4597         * config/rs6000/vec_types.h: Likewise.
4598         * config/s390/linux-unwind.h: Likewise.
4599         * config/s390/tpf-unwind.h: Likewise.
4600         * config/score/crti.asm: Likewise.
4601         * config/score/crtn.asm: Likewise.
4602         * config/sh/crt1.asm: Likewise.
4603         * config/sh/crti.asm: Likewise.
4604         * config/sh/crtn.asm: Likewise.
4605         * config/sh/divtab-sh4-300.c: Likewise.
4606         * config/sh/divtab-sh4.c: Likewise.
4607         * config/sh/divtab.c: Likewise.
4608         * config/sh/lib1funcs-4-300.asm: Likewise.
4609         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
4610         * config/sh/lib1funcs.asm: Likewise.
4611         * config/sh/lib1funcs.h: Likewise.
4612         * config/sh/linux-atomic.asm: Likewise.
4613         * config/sh/linux-unwind.h: Likewise.
4614         * config/sh/shmedia.h: Likewise.
4615         * config/sh/sshmedia.h: Likewise.
4616         * config/sh/ushmedia.h: Likewise.
4617         * config/sparc/crtfastmath.c: Likewise.
4618         * config/sparc/linux-unwind.h: Likewise.
4619         * config/sparc/sol2-c1.asm: Likewise.
4620         * config/sparc/sol2-ci.asm: Likewise.
4621         * config/sparc/sol2-cn.asm: Likewise.
4622         * config/spu/divmodti4.c: Likewise.
4623         * config/spu/divv2df3.c: Likewise.
4624         * config/spu/float_disf.c: Likewise.
4625         * config/spu/float_unsdidf.c: Likewise.
4626         * config/spu/float_unsdisf.c: Likewise.
4627         * config/spu/float_unssidf.c: Likewise.
4628         * config/spu/mfc_multi_tag_release.c: Likewise.
4629         * config/spu/mfc_multi_tag_reserve.c: Likewise.
4630         * config/spu/mfc_tag_release.c: Likewise.
4631         * config/spu/mfc_tag_reserve.c: Likewise.
4632         * config/spu/mfc_tag_table.c: Likewise.
4633         * config/spu/multi3.c: Likewise.
4634         * config/spu/spu_internals.h: Likewise.
4635         * config/spu/spu_intrinsics.h: Likewise.
4636         * config/spu/spu_mfcio.h: Likewise.
4637         * config/spu/vec_types.h: Likewise.
4638         * config/spu/vmx2spu.h: Likewise.
4639         * config/stormy16/stormy16-lib2.c: Likewise.
4640         * config/svr4.h: Likewise.
4641         * config/sync.c: Likewise.
4642         * config/v850/lib1funcs.asm: Likewise.
4643         * config/vxlib-tls.c: Likewise.
4644         * config/vxlib.c: Likewise.
4645         * config/vxworks-dummy.h: Likewise.
4646         * config/xtensa/crti.asm: Likewise.
4647         * config/xtensa/crtn.asm: Likewise.
4648         * config/xtensa/ieee754-df.S: Likewise.
4649         * config/xtensa/ieee754-sf.S: Likewise.
4650         * config/xtensa/lib1funcs.asm: Likewise.
4651         * config/xtensa/lib2funcs.S: Likewise.
4652         * config/xtensa/linux-unwind.h: Likewise.
4653         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
4654         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
4655         * coretypes.h: Likewise.
4656         * crtstuff.c: Likewise.
4657         * defaults.h: Likewise.
4658         * dwarf2.h: Likewise.
4659         * emutls.c: Likewise.
4660         * gbl-ctors.h: Likewise.
4661         * gcov-io.h: Likewise.
4662         * ginclude/float.h: Likewise.
4663         * ginclude/iso646.h: Likewise.
4664         * ginclude/stdarg.h: Likewise.
4665         * ginclude/stdbool.h: Likewise.
4666         * ginclude/stddef.h: Likewise.
4667         * ginclude/stdfix.h: Likewise.
4668         * ginclude/stdint-gcc.h: Likewise.
4669         * ginclude/tgmath.h: Likewise.
4670         * gthr-aix.h: Likewise.
4671         * gthr-dce.h: Likewise.
4672         * gthr-gnat.c: Likewise.
4673         * gthr-gnat.h: Likewise.
4674         * gthr-lynx.h: Likewise.
4675         * gthr-mipssde.h: Likewise.
4676         * gthr-nks.h: Likewise.
4677         * gthr-posix.c: Likewise.
4678         * gthr-posix.h: Likewise.
4679         * gthr-posix95.h: Likewise.
4680         * gthr-rtems.h: Likewise.
4681         * gthr-single.h: Likewise.
4682         * gthr-solaris.h: Likewise.
4683         * gthr-tpf.h: Likewise.
4684         * gthr-vxworks.h: Likewise.
4685         * gthr-win32.h: Likewise.
4686         * gthr.h: Likewise.
4687         * libgcc2.c: Likewise.
4688         * libgcc2.h: Likewise.
4689         * libgcov.c: Likewise.
4690         * tsystem.h: Likewise.
4691         * typeclass.h: Likewise.
4692         * unwind-c.c: Likewise.
4693         * unwind-compat.h: Likewise.
4694         * unwind-dw2-fde-compat.c: Likewise.
4695         * unwind-dw2-fde-darwin.c: Likewise.
4696         * unwind-dw2-fde-glibc.c: Likewise.
4697         * unwind-dw2-fde.c: Likewise.
4698         * unwind-dw2-fde.h: Likewise.
4699         * unwind-dw2.c: Likewise.
4700         * unwind-dw2.h: Likewise.
4701         * unwind-generic.h: Likewise.
4702         * unwind-pe.h: Likewise.
4703         * unwind-sjlj.c: Likewise.
4704         * unwind.inc: Likewise.
4705         * config/arm/neon-gen.ml: Change generated copyright header to
4706         refer to version 3 of the GNU General Public License with
4707         version 3.1 of the GCC Runtime Library Exception and to point
4708         readers at the COPYING3 and COPYING3.RUNTIME files and the
4709         FSF's license web page.
4710         * config/arm/arm_neon.h: Regenerate.
4711
4712 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
4713
4714         * config/cris/cris.md: Change copyright header to refer to version
4715         3 of the GNU General Public License.
4716         * doc/install.texi2html: Change copyright header to refer to version
4717         3 of the GNU General Public License and to point readers at the
4718         COPYING3 file and the FSF's license web page.
4719         * config/vax/linux.h: Likewise.
4720
4721 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
4722
4723         * config/i386/i386.md (cmpcc): New.
4724         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
4725         (sync_compare_and_swap_cc*): Delete.
4726
4727         * config/s390/s390.c (s390_compare_emitted): Remove.
4728         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
4729         s390_compare_emitted used to be handled.  Assert that modes match.
4730         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
4731         refer to sync_compare_and_swap_ccsi.
4732         * config/s390/s390.h (s390_compare_emitted): Remove.
4733         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
4734         instead of s390_compare_emitted.
4735         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
4736         instead of s390_compare_emitted.
4737         * config/s390/s390.md (cmpcc): New.
4738         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
4739         CC_REGNUM, do not pretend it's set.
4740         (sync_compare_and_swap_cc*): Delete.
4741         * config/s390/predicates.md (cc_reg_operand): New.
4742
4743         * expr.c (sync_compare_and_swap_cc): Delete.
4744         * optabs.h (sync_compare_and_swap_cc): Delete.
4745         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
4746         is being used with can_compare_p.
4747         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
4748         (find_cc_set): New.
4749         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
4750         look for a MODE_CC set instead.  Use emit_store_flag.
4751         (expand_compare_and_swap_loop): Likewise, with some additional
4752         complication to avoid a force_reg when useless.  Use
4753         emit_cmp_and_jump_insns.
4754         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
4755         * doc/md.texi (sync_compare_and_swap_cc): Merge with
4756         sync_compare_and_swap documentation.
4757
4758 2009-04-09  Jan Hubicka  <jh@suse.cz>
4759
4760         * except.c (find_prev_try): Break out from ....
4761         (duplicate_eh_regions): ... here; properly update prev_try pointers
4762         when duplication part of tree.
4763         (dump_eh_tree): Improve dumping.
4764         (verify_eh_region): New.
4765         (verify_eh_tree): Use it.
4766
4767 2009-04-06  Richard Guenther  <rguenther@suse.de>
4768
4769         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
4770         &ARRAY addresses by adjusting their types and prepending
4771         a conversion.
4772         * tree-cfg.c (verify_gimple_assign_single): Verify that
4773         addresses are correct.
4774
4775 2009-04-09  Richard Guenther  <rguenther@suse.de>
4776
4777         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
4778         indices into an array reference if possible.
4779         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
4780         Fold POINTER_PLUS_EXPR statements with invariant address.
4781
4782 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
4783
4784         PR target/39634
4785         * config.gcc (powerpc64-*-linux*): Always build biarch.
4786
4787 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
4788
4789         PR c/39613
4790         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
4791         it and pedwarn if this results in an INTEGER_CST.
4792
4793 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4794
4795         * doc/install.texi: Update minimum GMP version.  Remove obsolete
4796         text in MPFR section.
4797
4798 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
4799
4800         * dwarf2out.c (class_scope_p): New static inline.
4801         (class_or_namespace_scope_p): Use it.
4802         (gen_variable_die): Use DW_TAG_member tag for static data member
4803         declarations instead of DW_TAG_variable.
4804
4805         PR middle-end/39573
4806         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
4807         variables.
4808
4809 2009-04-08  Richard Guenther  <rguenther@suse.de>
4810
4811         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
4812         valueize random data.
4813
4814 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
4815
4816         * config.gcc (aix tm_file):  Add aix-stdint.h.
4817         (aix tm clause use_gcc_stdint):  Set to wrap.
4818         * config/rs6000/aix-stdint.h:  New file.
4819
4820 2009-04-08  Richard Guenther  <rguenther@suse.de>
4821
4822         PR middle-end/36291
4823         * tree-dfa.c (add_referenced_var): Do not recurse into
4824         global initializers.
4825         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
4826         exposed variables.
4827         (fold_const_aggregate_ref): Likewise.
4828
4829 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
4830
4831         * recog.c (ordered_comparison_operator): New.
4832         * gensupport.c (std_preds): Add it.
4833         * doc/md.texi (Machine-Independent Predicates): Document it.
4834
4835 2009-04-08  Jan Hubicka  <jh@suse.cz>
4836
4837         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
4838         * function.h (rtl_eh): Remove exception_handler_label_map.
4839         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
4840         remove_exception_handler_label, for_each_eh_label_1): Remove.
4841         (rtl_remove_unreachable_regions): Remove.
4842         (convert_from_eh_region_ranges): Do not remove unreachable regions.
4843         (find_exception_handler_labels): Don't build the hashtable.
4844         (maybe_remove_eh_handler): Remove.
4845         (for_each_eh_label): Rewrite to walk the tree.
4846         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
4847         * except.h (maybe_remove_eh_handler): Remove.
4848         * passes.c (init_optimization_passes): Schedule second EH cleanup
4849         before out-of-ssa.
4850         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
4851         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
4852
4853 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
4854
4855         * genoutput.c (validate_optab_operands): New.
4856         (gen_insn, gen_expand): Call it.
4857
4858         * genflags.c (gen_insn): Detect misused iterators.
4859         (main): Pass line_no to gen_insn, exit with status 1 on error.
4860
4861         * genextract.c (line_no): Make global.
4862         (VEC_safe_set_locstr): Change assertion to error message.
4863         (main): Exit with status 1 on error.
4864
4865 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
4866
4867         PR c/39614
4868         PR c/39673
4869         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
4870         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
4871         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
4872         * c-convert.c (convert): Do not call fold on results of conversion
4873         functions when the result is a C_MAYBE_CONST_EXPR.
4874         * c-parser.c (c_parser_postfix_expression): Do not fold condition
4875         of __builtin_choose_expr.
4876         * c-typeck.c (remove_c_maybe_const_expr): New.
4877         (build_unary_op, build_conditional_expr, build_compound_expr,
4878         build_binary_op, c_objc_common_truthvalue_conversion): Call
4879         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
4880         integer operands.
4881
4882 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
4883
4884         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
4885         CODE to produce a new one. Add a prototype to use fold_convert_const
4886
4887 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
4888
4889         PR bootstrap/39660
4890         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
4891         mix declarations and code.
4892
4893 2009-04-08  Ben Elliston  <bje@au.ibm.com>
4894
4895         * gcc.c: Replace `CC' with `GCC' throughout.
4896
4897 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
4898
4899         * doc/invoke.texi: Document Atom support.
4900
4901 2009-04-07  Jason Merrill  <jason@redhat.com>
4902
4903         PR c++/25185
4904         * c-common.h, c-common.c: Add flag_pretty_templates.
4905         * c-opts.c (c_common_handle_option): Set it.
4906         * c.opt: Add -fno-pretty-templates.
4907         * doc/invoke.texi (C++ Dialect Options): Likewise.
4908
4909 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
4910
4911         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
4912         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
4913         (ia64_expand_builtin): Likewise.
4914
4915 2009-04-07  Martin Jambor  <mjambor@suse.cz>
4916
4917         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
4918         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
4919         ADDR_EXPRS are include too.
4920
4921 2009-04-07  Richard Guenther  <rguenther@suse.de>
4922
4923         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
4924         decls are only used if passes as parameters or if they are
4925         local statics and the call is not to a builtin.
4926         (call_may_clobber_ref_p_1): Likewise.
4927
4928 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4929
4930         * expr.c (do_store_flag): Remove last argument.  Simplify code
4931         to avoid duplication of tests already done by can_compare_p.
4932         (expand_expr_real_1): Adjust caller.
4933
4934 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4935
4936         * optabs.c (can_compare_p): Test the predicate of a
4937         cbranch and cstore pattern.
4938
4939 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4940
4941         * expr.c (convert_move): Use emit_store_flag instead of
4942         "emulating" it.
4943
4944 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4945
4946         * config/i386/i386.c (ix86_compare_emitted): Remove.
4947         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
4948         ix86_compare_op0 like ix86_compare_emitted used to be handled.
4949         * config/i386/i386.h (ix86_compare_emitted): Remove.
4950         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
4951         instead of ix86_compare_emitted.
4952         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
4953
4954 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
4955
4956         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
4957         Add t-sysroot-suffix to tmake_file.
4958         * config/print-sysroot-suffix.sh: New file.
4959         * config/t-sysroot-suffix: New file.
4960
4961 2009-04-07  Ben Elliston  <bje@au.ibm.com>
4962
4963         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
4964         as the latter produces a warning when the target does not support
4965         infinity.
4966
4967 2009-04-07  Ben Elliston  <bje@au.ibm.com>
4968
4969         * dfp.c: Replace type punning assignments with memcpy throughout.
4970         * Makefile.in (dfp.o-warn): Remove.
4971
4972 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
4973
4974         PR target/39634
4975         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
4976         Include soft-fp/t-softfp after rs6000/t-linux64.
4977
4978 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
4979
4980         * stor-layout.c (set_sizetype): Use the full precision of their
4981         machine mode for bitsize types.
4982
4983 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
4984
4985         * config/i386/i386.md: Revert 2 accidental checkins.
4986
4987 2009-04-06  Joey Ye  <joey.ye@intel.com>
4988             Xuepeng Guo  <xuepeng.guo@intel.com>
4989             H.J. Lu  <hongjiu.lu@intel.com>
4990
4991         Atom pipeline model, tuning and insn selection.
4992         * config.gcc (atom): Add atom config options and target.
4993
4994         * config/i386/atom.md: New.
4995
4996         * config/i386/i386.c (atom_cost): New cost.
4997         (m_ATOM): New macro flag.
4998         (initial_ix86_tune_features): Set m_ATOM.
4999         (x86_accumulate_outgoing_args): Likewise.
5000         (x86_arch_always_fancy_math_387): Likewise.
5001         (processor_target): Add Atom cost.
5002         (cpu_names): Add Atom cpu name.
5003         (override_options): Set Atom ISA.
5004         (ix86_issue_rate): New case PROCESSOR_ATOM.
5005         (ix86_adjust_cost): Likewise.
5006
5007         * config/i386/i386.h (TARGET_ATOM): New target macro.
5008         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
5009         (TARGET_OPT_AGU): New target option.
5010         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
5011         (processor_type): Add PROCESSOR_ATOM.
5012
5013         * config/i386/i386.md (cpu): Add new value "atom".
5014         (use_carry, movu): New attr.
5015         (atom.md): Include atom.md.
5016         (adddi3_carry_rex64): Set attr "use_carry".
5017         (addqi3_carry): Likewise.
5018         (addhi3_carry): Likewise.
5019         (addsi3_carry): Likewise.
5020         (*addsi3_carry_zext): Likewise.
5021         (subdi3_carry_rex64): Likewise.
5022         (subqi3_carry): Likewise.
5023         (subhi3_carry): Likewise.
5024         (subsi3_carry): Likewise.
5025         (x86_movdicc_0_m1_rex64): Likewise.
5026         (*x86_movdicc_0_m1_se): Likewise.
5027         (x86_movsicc_0_m1): Likewise.
5028         (*x86_movsicc_0_m1_se): Likewise.
5029         (*adddi_1_rex64): Emit add insn as much as possible.
5030         (*addsi_1): Likewise.
5031         (return_internal): Set atom_unit.
5032         (return_internal_long): Likewise.
5033         (return_pop_internal): Likewise.
5034         (*rcpsf2_sse): Set atom_sse_attr attr.
5035         (*qrt<mode>2_sse): Likewise.
5036         (*prefetch_sse): Likewise.
5037
5038         * config/i386/i386-c.c (ix86_target_macros_internal): New case
5039         PROCESSOR_ATOM.
5040         (ix86_target_macros_internal): Likewise.
5041
5042         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
5043         (*prefetch_sse_rex): Likewise.
5044         (sse_rcpv4sf2): Likewise.
5045         (sse_vmrcpv4sf2): Likewise.
5046         (sse_sqrtv4sf2): Likewise.
5047         (<sse>_vmsqrt<mode>2): Likewise.
5048         (sse_ldmxcsr): Likewise.
5049         (sse_stmxcsr): Likewise.
5050         (*sse_sfence): Likewise.
5051         (sse2_clflush): Likewise.
5052         (*sse2_mfence): Likewise.
5053         (*sse2_lfence): Likewise.
5054         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
5055         (<sse>_movup<ssemodesuffixf2c>): Likewise.
5056         (avx_movdqu<avxmodesuffix>): Likewise.
5057         (avx_lddqu<avxmodesuffix>): Likewise.
5058         (sse2_movntv2di): Change attr "type" to "ssemov".
5059         (sse2_movntsi): Likewise.
5060         (rsqrtv8sf2): Change attr "type" to "sseadd".
5061         (sse3_addsubv2df3): Set attr "atom_unit".
5062         (sse3_h<plusminus_insn>v4sf3): Likewise.
5063         (*sse2_pmaddwd): Likewise.
5064         (*vec_extractv2di_1_rex64): Likewise.
5065         (*vec_extractv2di_1_avx): Likewise.
5066         (sse2_psadbw): Likewise.
5067         (ssse3_phaddwv8hi3): Likewise.
5068         (ssse3_phaddwv4hi3): Likewise.
5069         (ssse3_phadddv4si3): Likewise.
5070         (ssse3_phadddv2si3): Likewise.
5071         (ssse3_phaddswv8hi3): Likewise.
5072         (ssse3_phaddswv4hi3): Likewise.
5073         (ssse3_phsubwv8hi3): Likewise.
5074         (ssse3_phsubwv4hi3): Likewise.
5075         (ssse3_phsubdv4si3): Likewise.
5076         (ssse3_phsubdv2si3): Likewise.
5077         (ssse3_phsubswv8hi3): Likewise.
5078         (ssse3_phsubswv4hi3): Likewise.
5079         (ssse3_pmaddubsw128): Likewise.
5080         (sse3_pmaddubsw: Likewise.
5081         (ssse3_palignrti): Likewise.
5082         (ssse3_palignrdi): Likewise.
5083
5084 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
5085
5086         * doc/install.texi (Specific): Fix two cross-references to MinGW.
5087
5088 2009-04-06  Richard Guenther  <rguenther@suse.de>
5089
5090         PR tree-optimization/28868
5091         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
5092         of which PHI results we inserted.
5093         (insert_into_preds_of_block): Record inserted PHIs.
5094         (eliminate): Eliminate redundant PHI nodes.
5095         (init_pre): Init inserted_phi_names.
5096
5097 2009-04-06  Richard Guenther  <rguenther@suse.de>
5098
5099         PR tree-optimization/39643
5100         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
5101         IMAGPART_EXPRs of complex constants.
5102         (execute_fold_all_builtins): If we folded a call queue
5103         TODO_update_address_taken.
5104
5105 2009-04-06  Jan Hubicka  <jh@suse.cz>
5106
5107         PR middle-end/39659
5108         * except.c (remove_unreachable_regions): Propagate may_contain_throw
5109         flag.
5110
5111 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
5112
5113         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
5114         delay slot.
5115         (ic_invalidate_array): Likewise.
5116
5117 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
5118
5119         * calls.c (emit_library_call_value_1): Fix a problem with parameter
5120         alignment for library calls.
5121
5122 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
5123
5124         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
5125         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
5126         * config/i386/mingw-stdint.h:  New file.
5127
5128 2009-04-05  Richard Guenther  <rguenther@suse.de>
5129
5130         PR tree-optimization/39648
5131         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
5132         our &A vs. &A[0] IL deficiencies.
5133
5134 2009-04-04  Jan Hubicka  <jh@suse.cz>
5135
5136         * except.c (sjlj_find_directly_reachable_regions): Be ready for
5137         removed toplevel regions.
5138         (sjlj_mark_call_sites): Likewise.
5139
5140 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
5141
5142         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
5143         (cygwin tm clause use_gcc_stdint):  Set to wrap.
5144         * config/i386/cygwin-stdint.h:  New file.
5145
5146 2009-04-04  Richard Guenther  <rguenther@suse.de>
5147
5148         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
5149         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
5150         single-argument PHIs if we are in loop-closed SSA form.
5151         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
5152         for the pre-condition.
5153         (slpeel_tree_peel_loop_to_edge): Likewise.
5154         (vect_build_loop_niters): Take an optional sequence to append stmts.
5155         (vect_generate_tmps_on_preheader): Likewise.
5156         (vect_do_peeling_for_loop_bound): Take extra guards for the
5157         pre-condition.
5158         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
5159         the cost model check.
5160         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
5161         guards if we are going to peel.  Do not apply versioning in that case.
5162         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
5163         (vect_do_peeling_for_loop_bound): Likewise.
5164         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
5165         loop bound only record extra pre-conditions, do not apply loop
5166         versioning.
5167
5168 2009-04-04  Richard Guenther  <rguenther@suse.de>
5169
5170         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
5171         renaming code.
5172
5173 2009-04-04  Jan Hubicka  <jh@suse.cz>
5174
5175         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
5176         last_basic_block for size of bb->index indexed array.
5177         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
5178         compute_out, link_btr_uses, build_btr_def_use_webs,
5179         build_btr_def_use_webs, migrate_btr_defs): Likewise.
5180
5181 2009-04-04  Jan Hubicka  <jh@suse.cz>
5182
5183         * except.c (remove_eh_handler_and_replace): Break out from ...
5184         (remove_eh_handler): ... here.
5185         (bring_to_root): New function.
5186         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
5187         handled ones, bring others to root of tree.
5188
5189 2009-04-04  Jan Hubicka  <jh@suse.cz>
5190
5191         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
5192         (all_phis_safe_to_merge): New function.
5193         (update_info): New structure.
5194         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
5195         (cleanup_empty_eh): Update SSA if possible.
5196
5197 2009-04-04  Richard Guenther  <rguenther@suse.de>
5198
5199         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
5200         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
5201         (append_vuse): Likewise.
5202
5203 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
5204
5205         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
5206         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
5207         instead of REG_UNSAVED for DW_CFA_undefined.
5208         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
5209         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
5210         outermost frame.
5211
5212 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
5213
5214         PR target/39501
5215         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
5216         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
5217         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
5218
5219 2009-04-04  Richard Guenther  <rguenther@suse.de>
5220
5221         PR tree-optimization/8781
5222         PR tree-optimization/37892
5223         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
5224         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
5225         (valueize_refs): Call it for *& valueizations.
5226         (shared_reference_ops_from_ref): Rename to ...
5227         (valueize_shared_reference_ops_from_ref): ... this and valueize.
5228         (shared_reference_ops_from_call): Rename to ...
5229         (valueize_shared_reference_ops_from_call): ... this and valueize.
5230         (vn_reference_lookup): Update.
5231         (visit_reference_op_call): Likewise.
5232         * tree-ssa-pre.c (phi_translate_1): Fold *&.
5233         (eliminate): Value-replace the call address in call statements.
5234
5235 2009-04-04  Richard Guenther  <rguenther@suse.de>
5236
5237         PR tree-optimization/39636
5238         * tree-ssa-forwprop.c
5239         (forward_propagate_addr_into_variable_array_index): Check for
5240         GIMPLE_ASSIGN before accessing the rhs code.
5241
5242 2009-04-03  Jason Merrill  <jason@redhat.com>
5243
5244         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
5245
5246 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
5247
5248         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
5249         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
5250         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
5251         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
5252         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
5253         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
5254         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
5255         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
5256         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
5257         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
5258         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
5259         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
5260         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
5261         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
5262         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
5263         Use fr_reg_or_fp01_operand instead of fr_register_operand
5264
5265         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
5266         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
5267         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
5268
5269 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
5270
5271         PR rtl-optimization/39607
5272         PR rtl-optimization/39631
5273
5274         Revert:
5275
5276         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
5277         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
5278         instead of DF_LR_OUT.
5279         * ira-lives.c (process_bb_node_lives): Ditto.
5280         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
5281         instead of DF_LR_{OUT,IN}.
5282         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
5283         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
5284
5285 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
5286
5287         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
5288         (execute_lower_omp): Always run but take the short way out if -fopenmp
5289         is not given.
5290         (gate_lower_omp): Remove, forcing the pass manager to always run the
5291         pass and always set PROP_gimple_lomp.
5292         (pass_lower_omp): Remove gate function.
5293         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
5294         PROP_trees.  Instead, require it.
5295         * ipa-cp.c (pass_ipa_cp): Likewise.
5296         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
5297         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
5298         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
5299         and PROP_gimple_leh.
5300
5301 2009-04-03  Richard Guenther  <rguenther@suse.de>
5302
5303         PR middle-end/13146
5304         PR tree-optimization/23940
5305         PR tree-optimization/33237
5306         PR middle-end/33974
5307         PR middle-end/34093
5308         PR tree-optimization/36201
5309         PR tree-optimization/36230
5310         PR tree-optimization/38049
5311         PR tree-optimization/38207
5312         PR tree-optimization/38230
5313         PR tree-optimization/38301
5314         PR tree-optimization/38585
5315         PR middle-end/38895
5316         PR tree-optimization/38985
5317         PR tree-optimization/39299
5318         * tree-ssa-structalias.h: Remove.
5319         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
5320         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
5321         (struct vuse_element_d): Remove.
5322         (struct vuse_vec_d): Likewise.
5323         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
5324         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
5325         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
5326         VUSE_ELEMENT_VAR): Likewise.
5327         (struct voptype_d): Likewise.
5328         (NUM_VOP_FREE_BUCKETS): Likewise.
5329         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
5330         (struct stmt_operands_d): Remove.
5331         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
5332         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
5333         VDEF_NUM, VDEF_VECT): Likewise.
5334         (copy_virtual_operands): Remove.
5335         (operand_build_cmp): Likewise.
5336         (create_ssa_artificial_load_stmt): Likewise.
5337         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
5338         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
5339         vuse_index and mayuse_index members.  Pack and move done and iter_type
5340         members to the front.
5341         (SSA_OP_VMAYUSE): Remove.
5342         (SSA_OP_VIRTUAL_USES): Adjust.
5343         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
5344         (unlink_stmt_vdef): Declare.
5345         (add_to_addressable_set): Remove.
5346         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
5347         (vrp_visit_stmt): Likewise.
5348         * doc/tree-ssa.texi (Alias analysis): Update.
5349         * doc/invoke.texi (max-aliased-vops): Remove docs.
5350         (avg-aliased-vops): Likewise.
5351         * tree-into-ssa.c (syms_to_rename): Remove.
5352         (need_to_update_vops_p): Likewise.
5353         (need_to_initialize_update_ssa_p): Rename to ...
5354         (update_ssa_initialized_fn): ... this.  Track function we are
5355         initialized for.
5356         (symbol_marked_for_renaming): Simplify.
5357         (add_new_name_mapping): Do not set need_to_update_vops_p.
5358         (dump_currdefs): Use SYMS_TO_RENAME.
5359         (rewrite_update_stmt): Always walk all uses/defs.
5360         (dump_update_ssa): Adjust.
5361         (init_update_ssa): Take function argument.  Track what we are
5362         initialized for.
5363         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
5364         (create_new_def_for): Initialize for cfun, assert we are initialized
5365         for cfun.
5366         (mark_sym_for_renaming): Simplify.
5367         (mark_set_for_renaming): Do not initialize update-ssa.
5368         (need_ssa_update_p): Simplify.  Take function argument.
5369         (name_mappings_registered_p): Assert we ask for the correct function.
5370         (name_registered_for_update_p): Likewise.
5371         (ssa_names_to_replace): Likewise.
5372         (release_ssa_name_after_update_ssa): Likewise.
5373         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
5374         (dump_decl_set): Do not print a newline.
5375         (debug_decl_set): Do it here.
5376         (dump_update_ssa): And here.
5377         * tree-ssa-loop-im.c (move_computations): Adjust.
5378         (movement_possibility): Likewise.
5379         (determine_max_movement): Likewise.
5380         (gather_mem_refs_stmt): Likewise.
5381         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
5382         or NAME_MEMORY_TAG.
5383         * tree-complex.c (update_all_vops): Remove.
5384         (expand_complex_move): Adjust.
5385         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
5386         Simplify test for memory referencing statement.  Exclude
5387         non-invariant ADDR_EXPRs.
5388         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
5389         * tree-loop-distribution.c (generate_memset_zero): Adjust.
5390         (rdg_flag_uses): Likewise.
5391         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
5392         related code.
5393         (tree_optimize_tail_calls_1): Also split the
5394         edge from the entry block if we have degenerate PHI nodes in
5395         the first basic block.
5396         * tree.c (init_ttree): Remove memory-tag related code.
5397         (tree_code_size): Likewise.
5398         (tree_node_structure): Likewise.
5399         (build7_stat): Re-write to be build6_stat.
5400         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
5401         (SSA_VAR_P): Adjust.
5402         (struct tree_memory_tag): Remove.
5403         (struct tree_memory_partition_tag): Likewise.
5404         (union tree_node): Adjust.
5405         (build7): Re-write to be build6.
5406         * tree-pass.h (pass_reset_cc_flags): Remove.
5407         (TODO_update_address_taken): New flag.
5408         (pass_simple_dse): Remove.
5409         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
5410         * params.h (MAX_ALIASED_VOPS): Remove.
5411         (AVG_ALIASED_VOPS): Likewise.
5412         * omp-low.c (expand_omp_taskreg): Update SSA form.
5413         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
5414         aliases the lhs in a copy stmt.
5415         * tree-ssa-dse.c (struct address_walk_data): Remove.
5416         (memory_ssa_name_same): Likewise.
5417         (memory_address_same): Likewise.
5418         (get_kill_of_stmt_lhs): Likewise.
5419         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
5420         unused stores.  Look through PHI nodes into post-dominated regions.
5421         (dse_optimize_stmt): Simplify.  Properly remove stores.
5422         (tree_ssa_dse): Compute dominators.
5423         (execute_simple_dse): Remove.
5424         (pass_simple_dse): Likewise.
5425         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
5426         gimple_loaded_syms and gimple_stored_syms computation.
5427         * toplev.c (dump_memory_report): Dump alias and pta stats.
5428         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
5429         (vn_reference_eq): Likewise.
5430         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
5431         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
5432         valueize_vuses): Remove.
5433         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
5434         (get_def_ref_stmt_vuse): ... this.
5435         (vn_reference_lookup_2): New function.
5436         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
5437         walking equivalent vuses.  Simplify.
5438         (vn_reference_lookup): Likewise.
5439         (vn_reference_insert): Likewise.
5440         (vn_reference_insert_pieces): Likewise.
5441         (visit_reference_op_call): Simplify.
5442         (visit_reference_op_load): Likewise.
5443         (visit_reference_op_store): Likewise.
5444         (init_scc_vn): Remove shared_lookup_vuses initialization.
5445         (free_scc_vn): Remove shared_lookup_vuses freeing.
5446         (sort_vuses, sort_vuses_heap): Remove.
5447         (get_ref_from_reference_ops): Export.
5448         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
5449         vector with single vuse pointer.
5450         (vn_reference_lookup_pieces, vn_reference_lookup,
5451         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
5452         (shared_vuses_from_stmt): Remove.
5453         (get_ref_from_reference_ops): Declare.
5454         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
5455         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
5456         memory-tag related code.
5457         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
5458         (likely_value): Add comment, skip static-chain of call statements.
5459         (surely_varying_stmt_p): Adjust.
5460         (gimplify_and_update_call_from_tree): Likewise.
5461         (execute_fold_all_builtins): Do not rebuild alias info.
5462         (gimplify_and_update_call_from_tree): Properly update VOPs.
5463         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
5464         (copy_ref_info): Remove memory-tag related code.
5465         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
5466         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
5467         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
5468         computation.
5469         * tree-ssa-dom.c (gimple_p): Remove typedef.
5470         (eliminate_redundant_computations): Adjust.
5471         (record_equivalences_from_stmt): Likewise.
5472         (avail_expr_hash): Likewise.
5473         (avail_expr_eq): Likewise.
5474         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
5475         (stmt_makes_single_load): Likewise.
5476         (stmt_makes_single_store): Likewise.
5477         * tree-ssa-alias.c: Rewrite completely.
5478         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
5479         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
5480         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
5481         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
5482         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
5483         Remove public functions.
5484         (pass_reset_cc_flags): Remove.
5485         (pass_build_alias): Move ...
5486         * tree-ssa-structalias.c (pass_build_alias): ... here.
5487         * tree-ssa-alias.c (may_be_aliased): Move ...
5488         * tree-flow-inline.h (may_be_aliased): ... here.
5489         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
5490         count_uses_and_derefs): Move ...
5491         * gimple.c: ... here.
5492         * gimple.h (count_uses_and_derefs): Declare.
5493         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
5494         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
5495         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
5496         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
5497         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
5498         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
5499         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
5500         New functions.
5501         * tree-dfa.c (refs_may_alias_p): Move ...
5502         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
5503         * tree-ssa-alias.h: New file.
5504         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
5505         (statement_sink_location): Likewise.
5506         * opts.c (decode_options): Do not adjust max-aliased-vops or
5507         avg-aliased-vops values.
5508         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
5509         (TV_CALL_CLOBBER): Likewise.
5510         (TV_FLOW_SENSITIVE): Likewise.
5511         (TV_FLOW_INSENSITIVE): Likewise.
5512         (TV_MEMORY_PARTITIONING): Likewise.
5513         (TV_ALIAS_STMT_WALK): New timevar.
5514         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
5515         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
5516         (get_address_description): Remove memory-tag related code.
5517         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
5518         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
5519         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
5520         and immediate uses in statements.  Document.
5521         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
5522         (dump_symbols): Remove.
5523         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
5524         * alias.c (get_deref_alias_set): New function split out from ...
5525         (get_alias_set): ... here.
5526         * alias.h (get_deref_alias_set): Declare.
5527         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
5528         type parameter.  Remove restrict pointer handling.  Create a
5529         ref-all pointer in case type-based alias sets do not conflict.
5530         (vect_analyze_data_refs): Remove SMT related code.
5531         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
5532         (vectorizable_load): Likewise.
5533         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
5534         (DR_SYMBOL_TAG, DR_VOPS): Remove.
5535         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
5536         Ignore vops and SMTs.
5537         (dr_analyze_alias): Likewise..
5538         (free_data_ref): Likewise.
5539         (create_data_ref): Likewise.
5540         (analyze_all_data_dependences): Likewise.
5541         (get_references_in_stmt): Adjust.
5542         * tree-flow-inline.h (gimple_aliases_computed_p,
5543         gimple_addressable_vars, gimple_call_clobbered_vars,
5544         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
5545         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
5546         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
5547         gimple_mem_ref_stats): Remove.
5548         (gimple_vop): New function.
5549         (op_iter_next_use): Remove vuses and mayuses cases.
5550         (op_iter_next_def): Remove vdefs case.
5551         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
5552         (clear_and_done_ssa_iter): Do not set removed fields.
5553         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
5554         Assert we are not iterating over vuses or vdefs if not also
5555         iterating over uses or defs.
5556         (op_iter_init_use): Likewise.
5557         (op_iter_init_def): Likewise.
5558         (op_iter_next_vdef): Remove.
5559         (op_iter_next_mustdef): Likewise.
5560         (op_iter_init_vdef): Likewise.
5561         (compare_ssa_operands_equal): Likewise.
5562         (link_use_stmts_after): Handle vuse operand.
5563         (is_call_used): Use is_call_clobbered.
5564         (is_call_clobbered): Global variables are always call clobbered,
5565         query the call-clobbers bitmap.
5566         (mark_call_clobbered): Ignore global variables.
5567         (clear_call_clobbered): Likewise.
5568         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
5569         virtual operands sanity check.
5570         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
5571         Remove.
5572         (TARGET_MEM_REF): Remove TMR_TAG operand.
5573         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
5574         Remove call-clobber related code.
5575         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
5576         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
5577         partitions or escape reason.
5578         (get_single_def_stmt, get_single_def_stmt_from_phi,
5579         get_single_def_stmt_with_phi): Remove.
5580         (dump_referenced_vars): Tidy.
5581         (get_ref_base_and_extent): Allow bare decls.
5582         (collect_dfa_stats): Adjust.
5583         * graphite.c (rename_variables_in_stmt): Adjust.
5584         (graphite_copy_stmts_from_block): Likewise.
5585         (translate_clast): Likewise.
5586         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
5587         (EXPR_DIES): New.
5588         (translate_vuse_through_block): Use the oracle.
5589         (phi_translate_1): Adjust.
5590         (value_dies_in_block_x): Use the oracle.  Cache the outcome
5591         in EXPR_DIES.
5592         (valid_in_sets): Check if the VUSE for
5593         a REFERENCE is available.
5594         (eliminate): Do not remove stmts during elimination,
5595         instead queue and remove them afterwards.
5596         (do_pre): Do not rebuild alias info.
5597         (pass_pre): Run TODO_rebuild_alias before PRE.
5598         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
5599         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
5600         (mark_all_v_defs_stmt): Remove.
5601         (mark_all_v_defs_seq): Adjust.
5602         (sra_replace): Likewise.
5603         (scalarize_use): Likewise.
5604         (scalarize_copy): Likewise.
5605         (scalarize_init): Likewise.
5606         (scalarize_ldst): Likewise.
5607         (todoflags): Remove.
5608         (tree_sra): Do not rebuild alias info.
5609         (tree_sra_early): Adjust.
5610         (pass_sra): Run TODO_update_address_taken before SRA.
5611         * tree-predcom.c (set_alias_info): Remove.
5612         (prepare_initializers_chain): Do not call it.
5613         (mark_virtual_ops_for_renaming): Adjust.
5614         (mark_virtual_ops_for_renaming_list): Remove.
5615         (initialize_root_vars): Adjust.
5616         (initialize_root_vars_lm): Likewise.
5617         (prepare_initializers_chain): Likewise.
5618         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
5619         (may_propagate_copy_into_stmt): Likewise.
5620         (merge_alias_info): Do nothing for now.
5621         (propagate_tree_value_into_stmt): Adjust.
5622         (stmt_may_generate_copy): Likewise.
5623         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
5624         not mark symbols for renaming.
5625         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
5626         with the same statement, make sure to update the new pointed-to one.
5627         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
5628         call statements, do not mark symbols for renaming.
5629         (mark_operand_necessary): Dump something.
5630         (ref_may_be_aliased): New function.
5631         (mark_aliased_reaching_defs_necessary_1): New helper function.
5632         (mark_aliased_reaching_defs_necessary): Likewise.
5633         (mark_all_reaching_defs_necessary_1): Likewise.
5634         (mark_all_reaching_defs_necessary): Likewise.
5635         (propagate_necessity): Do not process virtual PHIs.  For
5636         non-aliased loads mark all reaching definitions as necessary.
5637         For aliased loads and stores mark the immediate dominating
5638         aliased clobbers as necessary.
5639         (visited): New global static.
5640         (perform_tree_ssa_dce): Free visited bitmap after propagating
5641         necessity.
5642         (remove_dead_phis): Perform simple dead virtual PHI removal.
5643         (remove_dead_stmt): Properly unlink virtual operands when
5644         removing stores.
5645         (eliminate_unnecessary_stmts): Schedule PHI removal after
5646         stmt removal.
5647         * tree-ssa-ter.c (is_replaceable_p): Adjust.
5648         (process_replaceable): Likewise.
5649         (find_replaceable_in_bb): Likewise.
5650         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
5651         based on the single gimple vop.
5652         (verify_flow_insensitive_alias_info): Remove.
5653         (verify_flow_sensitive_alias_info): Likewise.
5654         (verify_call_clobbering): Likewise.
5655         (verify_memory_partitions): Likewise.
5656         (verify_alias_info): Likewise.
5657         (verify_ssa): Adjust..
5658         (execute_update_addresses_taken): Export.  Update SSA
5659         manually.  Optimize only when optimizing.  Use a local bitmap.
5660         (pass_update_address_taken): Remove TODO_update_ssa, add
5661         TODO_dump_func.
5662         (pass_update_address_taken): Just use TODO_update_address_taken.
5663         (init_tree_ssa): Do not initialize addressable_vars.
5664         (verify_ssa): Verify new VUSE / VDEF properties.
5665         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
5666         Do not call verify_alias_info.
5667         (delete_tree_ssa): Clear the VUSE, VDEF operands.
5668         Do not free the loaded and stored syms bitmaps.  Reset the escaped
5669         and callused solutions.  Do not free addressable_vars.
5670         Remove memory-tag related code.
5671         (warn_uninitialized_var): Aliases are always available.
5672         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
5673         * lambda-code.c (can_put_in_inner_loop): Adjust.
5674         (can_put_after_inner_loop): Likewise.
5675         (perfect_nestify): Likewise.
5676         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
5677         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
5678         (vectorizable_conversion): Do not mark symbols for renaming.
5679         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
5680         (expand_call_inline): Unlink the calls virtual operands before
5681         replacing it.
5682         (tree_function_versioning): Do not call update_ssa if we are not
5683         updating clones.  Simplify.
5684         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
5685         (propagate_with_phi): Likewise..
5686         * tree-outof-ssa.c (create_temp): Remove memory tag and call
5687         clobber code.  Assert we are not aliased or global.
5688         * tree-flow.h: Include tree-ssa-alias.h
5689         (enum escape_type): Remove.
5690         (struct mem_sym_stats_d): Likewise.
5691         (struct mem_ref_stats_d): Likewise.
5692         (struct gimple_df): Add vop member.  Remove global_var,
5693         call_clobbered_vars, call_used_vars, addressable_vars,
5694         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
5695         escaped and callused members.
5696         (struct ptr_info_def): Remove all members, add points-to solution
5697         member pt.
5698         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
5699         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
5700         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
5701         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
5702         (tree-ssa-alias.o): Likewise.
5703         (toplev.o): Add tree-ssa-alias.h
5704         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
5705         * gimple.c (gimple_set_bb): Fix off-by-one error.
5706         (is_gimple_reg): Do not handle memory tags.
5707         (gimple_copy): Also copy virtual operands.
5708         Delay updating the statement.  Do not reset loaded and stored syms.
5709         (gimple_set_stored_syms): Remove.
5710         (gimple_set_loaded_syms): Likewise.
5711         (gimple_call_copy_skip_args): Copy the virtual operands
5712         and mark the new statement modified.
5713         * tree-ssa-structalias.c (may_alias_p): Remove.
5714         (set_uids_in_ptset): Take the alias set to prune with as
5715         parameter.  Fold in the alias test of may_alias_p.
5716         (compute_points_to_sets): Compute whether a ptr is dereferenced
5717         in a local sbitmap.
5718         (process_constraint): Deal with &ANYTHING on the lhs, reject all
5719         other ADDRESSOF constraints on the lhs.
5720         (get_constraint_for_component_ref): Assert that we don't get
5721         ADDRESSOF constraints from the base of the reference.
5722         Properly generate UNKNOWN_OFFSET for DEREF if needed.
5723         (struct variable_info): Remove collapsed_to member.
5724         (get_varinfo_fc): Remove.
5725         (new_var_info): Do not set collapsed_to.
5726         (dump_constraint): Do not follow cycles.
5727         (dump_constraint_graph): Likewise.
5728         (build_pred_graph): Likewise.
5729         (build_succ_graph): Likewise.
5730         (rewrite_constraints): Likewise.
5731         (do_simple_structure_copy): Remove.
5732         (do_rhs_deref_structure_copy): Remove.
5733         (do_lhs_deref_structure_copy): Remove.
5734         (collapse_rest_of_var): Remove.
5735         (do_structure_copy): Re-implement.
5736         (pta_stats): New global variable.
5737         (dump_pta_stats): New function.
5738         (struct constraint_expr): Make offset signed.
5739         (UNKNOWN_OFFSET): Define special value.
5740         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
5741         (solution_set_expand): New helper function split out from ...
5742         (do_sd_constraint): ... here.
5743         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
5744         (do_ds_constraint): Likewise.
5745         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
5746         and CALLUSED = *CALLUSED.
5747         (set_union_with_increment): Make inc argument signed.
5748         (type_safe): Remove.
5749         (get_constraint_for_ptr_offset): Handle unknown and negative
5750         constant offsets.
5751         (first_vi_for_offset): Handle offsets before start.  Bail
5752         out early for offsets beyond the variable extent.
5753         (first_or_preceding_vi_for_offset): New function.
5754         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
5755         Together with ESCAPED = *ESCAPED this properly computes reachability.
5756         (find_what_var_points_to): New function.
5757         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
5758         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
5759         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
5760         pt_solutions_intersect): New functions.
5761         (compute_call_used_vars): Remove.
5762         (compute_may_aliases): New main entry into PTA computation.
5763         * gimple.h (gimple_p): New typedef.
5764         (struct gimple_statement_base): Remove references_memory_p.
5765         (struct gimple_statement_with_memory_ops_base): Remove
5766         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
5767         members.
5768         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
5769         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
5770         gimple_set_references_memory): Remove.
5771         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
5772         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
5773         New functions.
5774         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
5775         (verify_expr): Allow RESULT_DECL.
5776         (gimple_duplicate_bb): Do not copy virtual operands.
5777         (gimple_duplicate_sese_region): Adjust.
5778         (gimple_duplicate_sese_tail): Likewise.
5779         (mark_virtual_ops_in_region): Remove.
5780         (move_sese_region_to_fn): Do not call it.
5781         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
5782         and pass_simple_dse.
5783         (execute_function_todo): Handle TODO_update_address_taken,
5784         call execute_update_addresses_taken for TODO_rebuild_alias.
5785         (execute_todo): Adjust.
5786         (execute_one_pass): Init dump files early.
5787         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
5788         call-clobbered.
5789         (create_general_new_stmt): Clear vops.
5790         * tree-ssa-reassoc.c (get_rank): Adjust.
5791         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
5792         symbols for renaming.
5793         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
5794         (PARAM_AVG_ALIASED_VOPS): Likewise.
5795         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
5796         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
5797         * tree-ssa-operands.c: Simplify for new virtual operand representation.
5798         (operand_build_cmp, copy_virtual_operands,
5799         create_ssa_artificial_load_stmt, add_to_addressable_set,
5800         gimple_add_to_addresses_taken): Remove public functions.
5801         (unlink_stmt_vdef): New function.
5802
5803 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
5804
5805         * config.gcc (powerpc-*-linux*): Merge variants.
5806
5807 2009-04-02  Chao-ying Fu  <fu@mips.com>
5808             James Grosbach  <james.grosbach@microchip.com>
5809
5810         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
5811         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
5812         cop0_sp_offset.
5813         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
5814         keep_interrupts_masked_p, use_debug_exception_return_p.
5815         (mips_attribute_table): Add interrupt, use_shadow_register_set,
5816         keep_interrupts_masked, use_debug_exception_return.
5817         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
5818         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
5819         New functions.
5820         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
5821         (mips_print_operand): Process COP0 registers to print $0 .. $31
5822         correctly for GAS to process.
5823         (mips_interrupt_extra_call_saved_reg_p): New function.
5824         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
5825         extra registers.
5826         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
5827         (mips_compute_frame_info): Add supports for interrupt context that
5828         includes doubleword accumulators and COP0 registers.
5829         (mips_for_each_saved_acc): New function.
5830         (mips_for_each_saved_gpr_and_fpr): Change the function name from
5831         mips_for_each_saved_reg.
5832         (mips_save_reg): Save accumulators.
5833         (mips_kernel_reg_p): A new for_each_rtx callback.
5834         (mips_expand_prologue): Support interrupt handlers.
5835         (mips_restore_reg): Restore accumulators.
5836         (mips_expand_epilogue): Support interrupt handlers.
5837         (mips_can_use_return_insn): Return false for interrupt handlers.
5838         (mips_epilogue_uses): New function.
5839         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
5840         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
5841         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
5842         cop0_move): New instructions.
5843         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
5844         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
5845         defines.
5846         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
5847         New defines.
5848         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
5849         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
5850         interrupt handlers, we use K0 as the temporary register.
5851         (EPILOGUE_USES): Change to a function call.
5852         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
5853         handlers, we use K0 as the temporary register.
5854
5855         * doc/extend.texi (Function Attributes): Document interrupt,
5856         use_shadow_register_set, keep_interrupts_masked,
5857         use_debug_exception_return for MIPS attributes.
5858
5859 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
5860
5861         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
5862         Remove a number of t-files from tmake_file.
5863         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
5864         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
5865         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
5866         target_prototype, not TARGET_PROTOTYPE.
5867         (LINK_OS_GNU_SPEC): Define.
5868         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
5869         and darwin-ldoubdle.c.
5870
5871 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
5872
5873         PR driver/39293
5874         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
5875         (cpp_options): Ditto.
5876         (default_compilers): Ditto.
5877         (display_help): Ditto.
5878         (process_command): Ditto.
5879         (do_spec_1): Ditto.
5880         (set_input): Use lbasename instead of duplicate code.
5881         (save_temps_prefix): New static for -save-temps=obj.
5882         (save_temps_length): Ditto.
5883
5884         * doc/invoke.texi (-save-temps=obj): Document new variant to
5885         -save-temps switch.
5886
5887 2009-04-02  Jeff Law  <law@redhat.com>
5888
5889         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
5890         variable.
5891
5892 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
5893
5894         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
5895         * configure: Regenerated.
5896
5897 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
5898
5899         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
5900         share the argument list.
5901
5902 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
5903
5904         Merge
5905
5906         2009-02-12  Diego Novillo  <dnovillo@google.com>
5907
5908         * varpool.c (debug_varpool): New.
5909         * cgraph.h (debug_varpool): Declare.
5910
5911 2009-04-02  Jan Hubicka  <jh@suse.cz>
5912
5913         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
5914         pass.
5915
5916 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
5917
5918         * config/i386/i386.c (ix86_abi): Move initialization to ...
5919         (override_options): Here.
5920
5921 2009-04-02  Christian Bruel  <christian.bruel@st.com>
5922
5923         * config/sh/sh.c (sh_dwarf_register_span): New function.
5924         (TARGET_DWARF_REGISTER_SPAN): Define.
5925         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
5926
5927 2009-04-02  Ira Rosen  <irar@il.ibm.com>
5928
5929         PR tree-optimization/39595
5930         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
5931         interleaved loads group is not  greater than the SLP group size.
5932
5933 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
5934
5935         * builtins.c (is_builtin_name): New.
5936         (called_as_built_in): Use is_builtin_name.
5937         * tree.h (is_builtin_name): New.
5938         * varasm.c (incorporeal_function_p): Use is_builtin_name
5939
5940 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
5941
5942         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
5943
5944 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
5945
5946         PR c++/26693
5947         * c-decl.c (clone_underlying_type): Move this ...
5948         * c-common.c (set_underlying_type): ... here.
5949         Also, make sure the function properly sets TYPE_STUB_DECL() on
5950         the newly created typedef variant type.
5951         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
5952         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
5953         points.
5954
5955 2009-04-02  Richard Guenther  <rguenther@suse.de>
5956
5957         PR tree-optimization/37221
5958         * tree-flow.h (degenerate_phi_result): Declare.
5959         * tree-ssa-dom.c (degenerate_phi_result): Export.
5960         * tree-scalar-evolution.c (analyze_initial_condition): If
5961         the initial condition is defined by a degenerate PHI node
5962         use the degenerate value.
5963
5964 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
5965
5966         PR rtl-optimization/39588
5967         * combine.c (merge_outer_ops): Do not set the constant when this
5968         is not necessary.
5969         (simplify_shift_const_1): Do not modify it either in this case.
5970
5971 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
5972
5973         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
5974         tuning is deprecated if -mtune value is set to an Itanium1 variant.
5975
5976 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
5977
5978         PR c/29027
5979         * c-lex.c (interpret_float): Default (no suffix) is double.
5980
5981 2009-04-1  Xinliang David Li  <davidxl@google.com>
5982
5983         * config/i386/i386.c (legitimate_constant_p): Recognize
5984         all one vector constant.
5985
5986 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5987
5988         * config/vax/vax.c: Add #includes to silence warnings.
5989         Change #include order to silence two warnings.
5990
5991 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5992
5993         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
5994         (ASM_SPEC): Pass -k to the assembler for PIC code.
5995
5996 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5997
5998         * config.gcc: Add vax-*-linux* to the switch.
5999         * config/vax/linux.h: New file. (TARGET_VERSION,
6000         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
6001
6002 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6003
6004         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
6005         Use predicate macros instead of GET_CODE() == foo.
6006         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
6007         ashlsi3, rotrsi3, <unnamed>): Likewise.
6008
6009 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6010
6011         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
6012         jbbccihi, jbbccisi): Remova trailing whitespace.
6013         * config/vax/constraints.md: Likewise.
6014         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
6015         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
6016         * config/vax/predicates.md: Likewise.
6017         * config/vax/vax.c (print_operand_address, vax_output_int_move,
6018         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
6019         * config/vax/vax.h: Likewise.
6020         * config/vax/vax.md (nonlocal_goto): Likewise.
6021
6022 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6023
6024         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
6025         (indirectable_address_p, adjacent_operands_p): Add spaces around
6026         braces.
6027         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
6028
6029 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6030
6031         * config/vax/vax.c (legitimate_constant_address_p,
6032         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
6033         index_term_p, reg_plus_index_p, legitimate_address_p,
6034         vax_mode_dependent_address_p): Update comments to match functions
6035         modified by the recent int->bool conversion.
6036
6037 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6038
6039         * config/vax/builtins.md: Update copyright message.
6040         * config/vax/constraints.md: Likewise.
6041         * config/vax/netbsd-elf.h: Likewise.
6042         * config/vax/predicates.md: Likewise.
6043         * config/vax/vax-protos.h: Likewise.
6044         * config/vax/vax.c: Likewise.
6045         * config/vax/vax.h: Likewise.
6046         * config/vax/vax.md: Likewise.
6047         * config/vax/vax.opt: Likewise.
6048
6049 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6050
6051         * config/vax/builtins.md (ffssi2, ffssi2_internal,
6052         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
6053         * config/vax/constraints.md (B, R): Likewise.
6054         * config/vax/predicates.md (external_memory_operand,
6055         nonimmediate_addsub_di_operand): Likewise.
6056         * config/vax/vax.c (vax_output_int_add): Likewise.
6057         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
6058         untyped_call): Likewise.
6059
6060 2009-04-01  Matt Thomas  <matt@3am-software.com>
6061
6062         * config/vax/predicates.md: New file.
6063         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
6064         external_const_operand, nonsymbolic_operand, external_memory_operand,
6065         indirect_memory_operand, indexed_memory_operand,
6066         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
6067         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
6068         predicate.
6069         * config/vax/constraints.md: New file.
6070         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
6071         New constraint.
6072         * config/vax/builtins.md: New file.
6073         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
6074         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
6075         jbbccisi): Define.
6076         * config/vax/vax.opt (mqmath): Add option.
6077         * config/vax/vax.md (isfx): Extend with DI.
6078         (VAXintQH, VAXintQHSD): Define.
6079         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
6080         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
6081         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
6082         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
6083         (movdi): Update constraints and use vax_output_int_move().
6084         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
6085         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
6086         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
6087         nonlocal_goto): New.
6088         (mov<mode>): Extend accepted operand types.
6089         (subdi3_old): Rename from subdi3, change update constraints and use
6090         a new implementation.
6091         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
6092         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
6093         MOVE_RATIO, CLEAR_RATIO): Define.
6094         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
6095         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6096         (PRINT_OPERAND): Redefine using a function instead of inlined code.
6097         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
6098         (split_quadword_operands): Make static and really allow variable
6099         splitting.
6100         (print_operand_address): Update for PIC generation.
6101         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
6102         indexable_address_p, fixup_mathdi_operand,
6103         vax_expand_addsub_di_operands, adjacent_operands_p): New.
6104         (vax_float_literal, legitimate_constant_p,
6105         indirectable_constant_address_p, index_term_p,
6106         reg_plus_index_p): Return bool instead of int.
6107         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
6108         where needed.
6109         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
6110         generation.
6111         (vax_output_conditional_branch): Indent.
6112         (legitimate_constant_address_p, indirectable_constant_address_p,
6113         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
6114         vax_mode_dependent_address_p): Return bool instead of int, update for
6115         PIC generation.
6116         * config/vax/vax-protos.h (legitimate_constant_address_p,
6117         legitimate_constant_p, legitimate_address_p,
6118         vax_mode_dependent_address_p): Change declaration to bool.
6119         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
6120         vax_expand_addsub_di_operands, vax_output_int_subtract,
6121         vax_output_movmemsi): Declare.
6122         (split_quadword_operands, vax_float_literal): Delete declaration.
6123         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
6124         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
6125         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
6126         ASM_OUTPUT_DWARF_PCREL): Define.
6127         (ASM_SPEC): Change definition to allow PIC generation.
6128
6129 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
6130
6131         * doc/sourcebuild.texi: Update front-end requirements.
6132
6133 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6134
6135         PR target/39226
6136         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
6137         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
6138         (booldi3_internal3): Use boolean_or_operator instead of
6139         boolean_operator.
6140
6141 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
6142
6143         PR c/39605
6144         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
6145         declarator whose size is not an integer constant expression but
6146         folds to an integer constant, then treat it as a constant
6147         subsequently.
6148
6149 2009-04-01  Richard Guenther  <rguenther@suse.de>
6150
6151         * fold-const.c (fold_plusminus_mult_expr): Do not fold
6152         i * 4 + 2 to (i * 2 + 1) * 2.
6153
6154 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6155
6156         PR c/37772
6157         * c-parser.c (c_parser_asm_statement): Skip until close paren and
6158         return if c_parser_asm_string_literal returned NULL.
6159
6160 2009-04-01  Nick Clifton  <nickc@redhat.com>
6161
6162         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
6163         already defined.
6164         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
6165         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
6166         other typedefs to avoid conflicts with libgcc2.c.  Define labels
6167         to gain 16-bit bit-manipulation functions from libgcc2.c and then
6168         include it.
6169         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
6170         to gain 16-bit trapping arithmetic functions from libgcc2.c and
6171         then include it.
6172
6173 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
6174
6175         * varasm.c (default_function_rodata_section): Declare DOT as
6176         const char*.
6177
6178 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
6179             Andrey Galkin  <agalkin@hypercom.com>
6180
6181         PR/39492
6182         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
6183         Make object_name unique for each process.
6184
6185 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6186
6187         PR other/39591
6188         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
6189         addressable variables in the parallel that could go out of scope while
6190         running queued tasks.
6191
6192 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
6193
6194         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
6195         (CASE_VALUES_THRESHOLD): Redefine.
6196         * config/avr/avr.c (avr_override_options): Remove initialization of
6197         avr_case_values_threshold variable.
6198         (avr_case_values_threshold): Remove variable. Add new function.
6199         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
6200         * config/avr/avr.opt (mno-tablejump): Remove option.
6201         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
6202
6203 2009-04-01  DJ Delorie  <dj@redhat.com>
6204
6205         * varasm.c (default_function_rodata_section): Don't assume
6206         anything about where the first '.' in the section name is.
6207
6208 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
6209
6210         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
6211         rs6000_emit_stack_tie.
6212
6213 2009-03-31  Ian Lance Taylor  <iant@google.com>
6214
6215         * tree-eh.c (tree_remove_unreachable_handlers): Compare
6216         gimple_code with GIMPLE_RESX, not RESX.
6217
6218 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6219
6220         * c-common.c (c_get_ident): New.
6221         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
6222
6223 2009-04-01  Ben Elliston  <bje@au.ibm.com>
6224
6225         * config/rs6000/sysv4.opt (msdata): Improve option description.
6226
6227 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
6228
6229         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
6230         (divdf3_internal_lat): Remove.
6231         (divxf3_internal_lat): Remove.
6232         (divxf3_internal_thr): Remove.
6233         (divxf): Use divxf3_internal.
6234         * config/ia64/div.md (divsf3_internal_lat): New.
6235         (divdf3_internal_lat): New.
6236         (divxf3_internal): New.
6237
6238 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6239
6240         PR c/448
6241         * Makefile.in (USE_GCC_STDINT): Define.
6242         (stmp-int-hdrs): Install stdint.h if applicable.
6243         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
6244         if known.
6245         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
6246         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
6247         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
6248         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6249         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6250         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6251         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6252         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6253         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
6254         (c_common_nodes_and_builtins): Initialize
6255         underlying_wchar_type_node.  Do not initialize
6256         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
6257         nodes for new types.
6258         (c_stddef_cpp_builtins): Define macros for new types.
6259         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
6260         Remove.
6261         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
6262         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
6263         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
6264         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
6265         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
6266         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
6267         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
6268         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
6269         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
6270         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
6271         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
6272         int16_type_node, int32_type_node, int64_type_node,
6273         uint8_type_node, uint16_type_node, c_uint32_type_node,
6274         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
6275         int_least32_type_node, int_least64_type_node,
6276         uint_least8_type_node, uint_least16_type_node,
6277         uint_least32_type_node, uint_least64_type_node,
6278         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
6279         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
6280         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
6281         uintptr_type_node): Define.
6282         * c-cppbuiltin.c (builtin_define_constants,
6283         builtin_define_type_minmax): New.
6284         (builtin_define_stdint_macros): Define more macros.
6285         (c_cpp_builtins): Define more limit macros.
6286         (type_suffix): New.
6287         (builtin_define_type_max): Define in terms of
6288         builtin_define_type_minmax.  Remove is_long parameter.  All
6289         callers changed.
6290         * config.gcc (use_gcc_stdint): Define.
6291         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
6292         Add newlib-stdint.h for generic targets.
6293         * config/glibc-stdint.h, config/newlib-stdint.h,
6294         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
6295         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
6296         * config/score/score.h (UINTPTR_TYPE): Define.
6297         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
6298         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
6299         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6300         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6301         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6302         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6303         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6304         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
6305         * config/spu/spu.h (STDINT_LONG32): Define.
6306         * configure.ac (use_gcc_stdint): Substitute.
6307         * configure: Regenerate.
6308         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
6309         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
6310         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
6311         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
6312         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
6313         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
6314         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
6315         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
6316         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
6317         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
6318         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
6319         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
6320         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
6321         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
6322         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
6323         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
6324         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
6325         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
6326         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
6327         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
6328         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
6329         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
6330         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
6331         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6332         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6333         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6334         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6335         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6336         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
6337
6338 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
6339
6340         * loop-iv.c (suitable_set_for_replacement): Renamed from
6341         simplify_using_assignment; changed to return bool and to accept new
6342         args DEST and SRC.  Return true iff we find a source/destination pair
6343         that can be used to make a replacement, and fill SRC and DEST if so.
6344         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
6345         changed.
6346         (simplify_using_initial_values): Deal with altered regs here and track
6347         more precisely the effect they have on the validity of our expression.
6348
6349         * loop-iv.c (simplify_using_condition): A condition of the form
6350         (EQ REG CONST) can be used to simply make a substitution.
6351         (simplify_using_initial_values): Keep track of conditions we have seen
6352         and keep using them to simplify new expressions, while applying the
6353         same substitutions to them as to the expression.
6354
6355         * simplify-rtx.c (simplify_relational_operation_1): Simplify
6356         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
6357         GEU/LTU reversed.
6358
6359         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
6360         changed.  Use this when trying to improve the upper bound.
6361         Generate the comparison by using simplify_gen_relational.
6362
6363         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
6364
6365         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
6366         functions.
6367         (simplify_using_assignment, simplify_using_initial_values): Call
6368         replace_in_expr to make replacements.  Call replace_single_def_regs
6369         once on the initial version of the expression.
6370
6371 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6372
6373         PR target/27237
6374         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
6375
6376 2009-03-31  Richard Guenther  <rguenther@suse.de>
6377
6378         PR middle-end/31029
6379         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
6380         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
6381
6382 2009-03-31  Richard Guenther  <rguenther@suse.de>
6383
6384         * tree.h (div_if_zero_remainder): Declare.
6385         * fold-const.c (div_if_zero_remainder): Export.
6386         * tree-ssa-forwprop.c
6387         (forward_propagate_addr_into_variable_array_index): Handle
6388         constant array index addition outside of the variable index.
6389
6390 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6391
6392         PR target/39592
6393         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
6394         define_splits, floatunssi<mode>2): Require x87 conversions from
6395         DImode to be permitted.
6396
6397 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6398
6399         PR preprocessor/15638
6400         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
6401
6402 2009-03-31  Richard Guenther  <rguenther@suse.de>
6403
6404         PR middle-end/23401
6405         PR middle-end/27810
6406         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
6407         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
6408         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
6409         a separate statement.
6410         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
6411         (lookup_tmp_var): Likewise.
6412         (is_gimple_formal_tmp_or_call_rhs): Remove.
6413         (is_gimple_reg_or_call_rhs): Rename to ...
6414         (is_gimple_reg_rhs_or_call): ... this.
6415         (is_gimple_mem_or_call_rhs): Rename to ...
6416         (is_gimple_mem_rhs_or_call): ... this.
6417         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
6418         DECL_GIMPLE_REG_P only if is_formal is true.
6419         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
6420         for non-proper post-modify expression gimplification.
6421         (gimplify_self_mod_expr): For post-modify expressions gimplify
6422         the lvalue to a minimal lvalue.
6423         (rhs_predicate_for): Remove formal temp case.
6424         (gimplify_modify_expr_rhs): Likewise.
6425         (gimplify_addr_expr): Use is_gimple_reg.
6426         (gimplify_expr): Remove formal temp cases.
6427         (gimple_regimplify_operands): Likewise.
6428         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
6429         and FILTER_EXPR like constants.
6430         * gimple.c (walk_gimple_op): Fix val_only initialization, use
6431         is_gimple_reg.
6432         (is_gimple_formal_tmp_rhs): Remove.
6433         (is_gimple_reg_rhs): Remove special casing.
6434         (is_gimple_mem_rhs): Fix.
6435         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
6436         (is_gimple_formal_tmp_var): Remove.
6437         (is_gimple_formal_tmp_reg): Likewise.
6438         (is_gimple_min_lval): Allow invariant component ref parts.
6439         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
6440         is_gimple_formal_tmp_reg): Remove declarations.
6441         * tree-cfg.c (verify_expr): Verify that variables with address
6442         taken do not have DECL_GIMPLE_REG_P set.
6443         * tree-mudflap.c (mf_build_check_statement_for): Use
6444         force_gimple_operand instead of gimplify_expr.
6445
6446 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
6447
6448         * modulo-sched.c (sms_schedule_by_order): Pass the actual
6449         schedulable rows to compute_split_row.
6450
6451 2009-03-31  Ben Elliston  <bje@au.ibm.com>
6452
6453         PR target/31635
6454         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
6455         OPT_mvrsave.
6456
6457 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
6458
6459         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
6460         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
6461         * configure: Regenerate.
6462         * config.in: Regenerate.
6463         * config/rs6000/rs6000.opt (mtls-markers): Add.
6464         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
6465         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
6466         (tls_ld_aix, tls_ld_sysv): Likewise.
6467         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
6468         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
6469
6470 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
6471
6472         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
6473
6474 2009-03-30  Jan Hubicka  <jh@suse.cz>
6475
6476         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
6477         out of RESX.
6478         (tree_remove_unreachable_handlers): Cleanup EH predecestor
6479         detection and label handling.
6480
6481 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6482
6483         * ira-int.h (ira_allocno): Rename left_conflicts_num to
6484         left_conflicts_size.
6485         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
6486         ALLOCNO_LEFT_CONFLICTS_SIZE.
6487
6488         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
6489         remove_allocno_from_bucket_and_push,
6490         allocno_spill_priority_compare, push_allocnos_to_stack,
6491         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
6492         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
6493         (setup_allocno_left_conflicts_num): Ditto.  Rename to
6494         setup_allocno_left_conflicts_size.
6495         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
6496         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
6497         setup_allocno_left_conflicts_size instead of
6498         setup_allocno_left_conflicts_num.
6499
6500         * ira-build.c (ira_create_allocno): Use
6501         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
6502         ALLOCNO_LEFT_CONFLICTS_NUM.
6503
6504 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6505
6506         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
6507         instead of DF_LR_OUT.
6508
6509         * ira-lives.c (process_bb_node_lives): Ditto.
6510
6511         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
6512         instead of DF_LR_{OUT,IN}.
6513
6514         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
6515
6516         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
6517
6518 2009-03-30  Jan Hubicka  <jh@suse.cz>
6519
6520         * except.c (label_to_region_map): Fix thinko.
6521
6522 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
6523
6524         PR middle-end/38237
6525         * tree.h (tree_find_value): New declaration.
6526         * tree.c (tree_find_value): New function.
6527         * varasm.c (assemble_external): Avoid duplicate entries on lists.
6528
6529 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
6530
6531         PR debug/39563
6532         * c-decl.c (struct c_binding): Add locus field.
6533         (bind): Add locus argument, set locus field from it.
6534         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
6535         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
6536         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
6537         implicitly_declare, undeclared_variable, lookup_label,
6538         declare_label, c_make_fname_decl, c_builtin_function,
6539         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
6540         bind callers.
6541
6542 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
6543
6544         PR target/38781
6545         * config/i386/i386.c (classify_argument): Check total size of
6546         structure.
6547
6548 2009-03-30  Martin Jambor  <mjambor@suse.cz>
6549
6550         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
6551         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
6552         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
6553         respectively.
6554
6555         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
6556         seen_variable_array_ref while also traversing a union.
6557
6558         * tree-inline.c (optimize_inline_calls): Do not call
6559         cgraph_node_remove_callees.
6560         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
6561         (pass_remove_cgraph_callee_edges): New variable.
6562         * passes.c (init_optimization_passes): Add
6563         pass_remove_cgraph_callee_edges after early inlining and before all
6564         late intraprocedural passes.
6565
6566         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
6567
6568 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6569
6570         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
6571         Fix typos in names.
6572
6573 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6574
6575         * combine.c (simplify_comparison): Use have_insn_for.
6576         * dojump.c (do_jump): Likewise.
6577
6578 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6579
6580         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
6581         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
6582         sparc_compare_op0 like sparc_compare_emitted used to be handled.
6583         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
6584         instead of sparc_compare_emitted.
6585         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
6586         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
6587         instead of sparc_compare_emitted.
6588
6589 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6590
6591         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
6592         enter/exit cfglayout mode.
6593         (pass_partition_block): Require it.
6594         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
6595         (combine_instructions): Track basic blocks instead of labels.
6596         (update_cfg_for_uncondjump): New.
6597         (try_combine): Use it.  Update jumps after rescanning.
6598         (pass_combine): Require PROP_cfglayout.
6599         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
6600
6601 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6602
6603         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
6604         Provide/destroy PROP_cfglayout respectively.
6605         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
6606         * tree-pass.h (PROP_cfglayout): New.
6607
6608 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6609
6610         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
6611         fold_convert_const_fixed_from_fixed,
6612         fold_convert_const_fixed_from_int,
6613         fold_convert_const_fixed_from_real, fold_negate_const): Do not
6614         set TREE_CONSTANT_OVERFLOW.
6615         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
6616         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
6617
6618 2009-03-30  Ira Rosen  <irar@il.ibm.com>
6619
6620         * tree-vect-loop-manip.c: New file.
6621         * tree-vectorizer.c: Update documentation and included files.
6622         (vect_loop_location): Make extern.
6623         (rename_use_op): Move to tree-vect-loop-manip.c
6624         (rename_variables_in_bb, rename_variables_in_loop,
6625         slpeel_update_phis_for_duplicate_loop,
6626         slpeel_update_phi_nodes_for_guard1,
6627         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
6628         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
6629         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
6630         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
6631         find_loop_location): Likewise.
6632         (new_stmt_vec_info): Move to tree-vect-stmts.c.
6633         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
6634         get_vectype_for_scalar_type, vect_is_simple_use,
6635         supportable_widening_operation, supportable_narrowing_operation):
6636         Likewise.
6637         (bb_in_loop_p): Move to tree-vect-loop.c.
6638         (new_loop_vec_info, destroy_loop_vec_info,
6639         reduction_code_for_scalar_code, report_vect_op,
6640         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
6641         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
6642         (vect_supportable_dr_alignment): Likewise.
6643         * tree-vectorizer.h (tree-data-ref.h): Include.
6644         (vect_loop_location): Declare.
6645         Reorganize function declarations according to the new file structure.
6646         * tree-vect-loop.c: New file.
6647         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
6648         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
6649         * tree-vect-data-refs.c: New file.
6650         * tree-vect-patterns.c (timevar.h): Don't include.
6651         * tree-vect-stmts.c: New file.
6652         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
6653         tree-vect-slp.c, tree-vect-loop.c.
6654         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
6655         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
6656         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
6657         (tree-vect-analyze.o): Remove.
6658         (tree-vect-transform.o): Likewise.
6659         (tree-vect-data-refs.o): Add rule.
6660         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
6661         tree-vect-slp.o): Likewise.
6662         (tree-vect-patterns.o): Remove redundant dependencies.
6663         (tree-vectorizer.o): Likewise.
6664         * tree-vect-slp.c: New file.
6665
6666 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6667
6668         * optc-gen.awk: Warn if an option flag has multiple different
6669         help strings.
6670
6671 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
6672
6673         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
6674         -floop-block): Document dependences on PPL, CLooG and Graphite.
6675
6676 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
6677
6678         PR rtl-optimization/323
6679         * c-common.c (c_fully_fold, convert_and_check,
6680         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
6681         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
6682         * c-common.def (EXCESS_PRECISION_EXPR): New.
6683         * c-cppbuiltin.c (builtin_define_float_constants): Define
6684         constants with enough digits for long double.
6685         * c-lex.c (interpret_float): Interpret constant with excess
6686         precision where appropriate.
6687         * c-opts.c (c_common_post_options): Set
6688         flag_excess_precision_cmdline.  Give an error for
6689         -fexcess-precision=standard for C++ for processors where the
6690         option is significant.
6691         * c-parser.c (c_parser_conditional_expression): Handle excess
6692         precision in condition.
6693         * c-typeck.c (convert_arguments): Handle arguments with excess
6694         precision.
6695         (build_unary_op): Move excess precision outside operation.
6696         (build_conditional_expr): Likewise.
6697         (build_compound_expr): Likewise.
6698         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
6699         (build_modify_expr): Handle excess precision in RHS.
6700         (convert_for_assignment): Handle excess precision in converted
6701         value.
6702         (digest_init, output_init_element, process_init_element): Handle
6703         excess precision in initializer.
6704         (c_finish_return): Handle excess precision in return value.
6705         (build_binary_op): Handle excess precision in operands and add
6706         excess precision as needed for operation.
6707         * common.opt (-fexcess-precision=): New option.
6708         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
6709         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
6710         For standard excess precision, output explicit conversion to and
6711         truncation from XFmode.
6712         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
6713         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
6714         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
6715         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
6716         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
6717         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
6718         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
6719         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
6720         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
6721         define_splits, sqrt<mode>2): Disable where appropriate for
6722         standard excess precision.
6723         * convert.c (convert_to_real): Do not shorten arithmetic to type
6724         for which excess precision would be used.
6725         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
6726         * doc/invoke.texi (-fexcess-precision=): Document option.
6727         (-mfpmath=): Correct index entry.
6728         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
6729         flag_excess_precision): New.
6730         * langhooks.c (lhd_post_options): Set
6731         flag_excess_precision_cmdline.
6732         * opts.c (common_handle_option): Handle -fexcess-precision=.
6733         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
6734         init_excess_precision): New.
6735         (lang_dependent_init_target): Call init_excess_precision.
6736         * tree.c (excess_precision_type): New.
6737         * tree.h (excess_precision_type): Declare.
6738
6739 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
6740
6741         PR c/35235
6742         * c-typeck.c (build_component_ref): Do not copy qualifiers from
6743         non-lvalue to component.
6744
6745 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
6746
6747         PR preprocessor/34695
6748         * Makefile.in (c-opts.o): Depend on c-tree.h.
6749         * c-common.c: Move down include of diagnostic.h.
6750         (done_lexing, c_cpp_error): New.
6751         * c-common.h (done_lexing): Declare.
6752         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
6753         (parse_in).
6754         * c-opts.c: Include c-tree.h.
6755         (c_common_init_options): Set preprocessor error callback.
6756         (c_common_handle_option): Do not set preprocessor
6757         inhibit_warnings, warnings_are_errors, warn_system_headers,
6758         pedantic_errors or inhibit_warnings flags.
6759         (c_common_post_options): Do not check cpp_errors (parse_in).
6760         (c_common_finish): Do not output dependencies if there were
6761         errors.  Do not check return value of cpp_finish.
6762         * c-ppoutput.c (pp_file_change): Set input_location.
6763         * c-tree.h (c_cpp_error): Declare.
6764         * diagnostic.c (diagnostic_set_info_translated): Also initialize
6765         override_column.
6766         (diagnostic_build_prefix): Check override_column.
6767         * diagnostic.h (diagnostic_info): Add override_column field.
6768         (diagnostic_override_column): Define.
6769
6770 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
6771
6772         * c-common.c (c_expand_expr, c_staticp): Remove.
6773         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
6774         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
6775         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
6776         * c-gimplify.c (gimplify_compound_literal_expr,
6777         optimize_compound_literals_in_ctor): Remove.
6778         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
6779         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
6780         * c-semantics.c (emit_local_var): Remove.
6781
6782         * langhooks-def.h (lhd_expand_expr): Remove.
6783         * langhooks.c (lhd_expand_expr): Remove.
6784         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
6785
6786         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
6787         handling from c-semantics.c; don't call into langhook.
6788         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
6789         * gimplify.c (gimplify_compound_literal_expr,
6790         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
6791         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
6792         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
6793         as was done in c-gimplify.c.
6794         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
6795         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
6796         Move from c-common.h.
6797         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
6798
6799         * tree.c (staticp): Do not call langhook.
6800         * langhooks.c (lhd_staticp): Delete.
6801         * langhooks-def.h (lhd_staticp): Delete prototype.
6802         (LANG_HOOKS_STATICP): Delete.
6803         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
6804
6805         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
6806         instead of DECL_STMTs.
6807
6808 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
6809
6810         PR c/456
6811         PR c/5675
6812         PR c/19976
6813         PR c/29116
6814         PR c/31871
6815         PR c/35198
6816         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
6817         void_type_node.
6818         (fold_call_expr): Return a NOP_EXPR from folding rather than the
6819         contained expression.
6820         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
6821         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
6822         conditional expressions for C.
6823         (decl_constant_value_for_optimization): Move from
6824         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
6825         whether optimizing and that the expression is a VAR_DECL not of
6826         array type instead of doing such checks in the caller.  Do not
6827         check pedantic.  Call gcc_unreachable for C++.
6828         * c-common.def (C_MAYBE_CONST_EXPR): New.
6829         * c-common.h (c_fully_fold, c_save_expr,
6830         decl_constant_value_for_optimization): New prototypes.
6831         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
6832         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
6833         EXPR_INT_CONST_OPERANDS): Define.
6834         * c-convert.c (convert): Strip nops from expression.
6835         * c-decl.c (groktypename): Take extra parameters expr and
6836         expr_const_operands.  Update call to grokdeclarator.
6837         (start_decl): Update call to grokdeclarator.  Add statement for
6838         expressions used in type of decl.
6839         (grokparm): Update call to grokdeclarator.
6840         (push_parm_decl): Update call to grokdeclarator.
6841         (build_compound_literal): Add parameter non_const and build a
6842         C_MAYBE_COSNT_EXPR if applicable.
6843         (grokdeclarator): Take extra parameters expr and
6844         expr_const_operands.  Track expressions used in declaration
6845         specifiers and declarators.  Fold array sizes and track whether
6846         they are constant expressions and whether they are integer
6847         constant expressions.
6848         (parser_xref_tag): Set expr and expr_const_operands fields in
6849         return value.
6850         (grokfield): Update call to grokdeclarator.
6851         (start_function): Update call to grokdeclarator.
6852         (build_null_declspecs): Set expr and expr_const_operands fields in
6853         return value.
6854         (declspecs_add_type): Handle expressions in typeof specifiers.
6855         * c-parser.c (c_parser_declspecs): Set expr and
6856         expr_const_operands fields for declaration specifiers.
6857         (c_parser_enum_specifier): Likewise.
6858         (c_parser_struct_or_union_specifier): Likewise.
6859         (c_parser_typeof_specifier): Likewise.  Update call to
6860         groktypename.  Fold expression as needed.  Return expressions with
6861         type instead of adding statements.
6862         (c_parser_attributes): Update calls to c_parser_expr_list.
6863         (c_parser_statement_after_labels): Fold expression before passing
6864         to objc_build_throw_stmt.
6865         (c_parser_condition): Fold expression.
6866         (c_parser_asm_operands): Fold expression.
6867         (c_parser_conditional_expression): Use c_save_expr.  Update call
6868         to build_conditional_expr.
6869         (c_parser_alignof_expression): Update call to groktypename.
6870         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
6871         original_code.  Fold expression argument of va_arg.  Create
6872         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
6873         argument to va_arg.  Update calls to groktypename.  Fold array
6874         index for offsetof.  Verify that first argument to
6875         __builtin_choose_expr has integer type.
6876         (c_parser_postfix_expression_after_paren_type): Update calls to
6877         groktypename and build_compound_literal.  Handle expressions with
6878         side effects in type name.
6879         (c_parser_postfix_expression_after_primary): Update call to
6880         c_parser_expr_list.  Set original_code for calls to
6881         __builtin_constant_p.
6882         (c_parser_expr_list): Take extra parameter fold_p.  Fold
6883         expressions if requested.
6884         (c_parser_objc_type_name): Update call to groktypename.
6885         (c_parser_objc_synchronized_statement): Fold expression.
6886         (c_parser_objc_receiver): Fold expression.
6887         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
6888         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
6889         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
6890         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
6891         (struct c_typespec): Add elements expr and expr_const_operands.
6892         (struct c_declspecs): Add elements expr and expr_const_operands.
6893         (groktypename, build_conditional_expr, build_compound_literal):
6894         Update prototypes.
6895         (in_late_binary_op): Declare.
6896         * c-typeck.c (note_integer_operands): New function.
6897         (in_late_binary_op): New variable.
6898         (decl_constant_value_for_broken_optimization): Move to c-common.c
6899         and rename to decl_constant_value_for_optimization.
6900         (default_function_array_conversion): Do not strip nops.
6901         (default_conversion): Do not call
6902         decl_constant_value_for_broken_optimization.
6903         (build_array_ref): Do not fold result.
6904         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
6905         result when operand is a VLA.
6906         (c_expr_sizeof_type): Update call to groktypename.  Handle
6907         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
6908         result when operand names a VLA type.
6909         (build_function_call): Update call to build_compound_literal.
6910         Only fold result for calls to __builtin_* functions.  Strip
6911         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
6912         the function designator.
6913         (convert_arguments): Fold arguments.  Update call to
6914         convert_for_assignment.
6915         (build_unary_op): Handle increment and decrement of
6916         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
6917         decrement earlier.  Fold operand of increment and decrement.
6918         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
6919         built for integer operand.  Wrap returns that are INTEGER_CSTs
6920         without being integer constant expressions or that have integer
6921         constant operands without being INTEGER_CSTs.
6922         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
6923         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
6924         result is an integer constant expression or can be used in
6925         unevaluated parts of one and avoid folding and wrap as
6926         appropriate.  Fold operands before possibly doing -Wsign-compare
6927         warnings.
6928         (build_compound_expr): Wrap result for C99 if operands can be used
6929         in integer constant expressions.
6930         (build_c_cast): Update call to digest_init.  Do not ignore
6931         overflow from casting floating-point constants to integers.  Wrap
6932         results that could be confused with integer constant expressions,
6933         null pointer constants or floating-point constants.
6934         (c_cast_expr): Update call to groktypename.  Handle expressions
6935         included in type name.
6936         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
6937         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
6938         Update calls to convert_for_assignment.
6939         (convert_for_assignment): Take new parameter
6940         null_pointer_constant.  Do not strip nops or call
6941         decl_constant_value_for_broken_optimization.  Set
6942         in_late_binary_op for conversions to boolean.
6943         (store_init_value): Update call to digest_init.
6944         (digest_init): Take new parameter null_pointer_constant.  Do not
6945         call decl_constant_value_for_broken_optimization.  pedwarn for
6946         initializers not constant expressions.  Update calls to
6947         convert_for_assignment.
6948         (constructor_nonconst): New.
6949         (struct constructor_stack): Add nonconst element.
6950         (really_start_incremental_init, push_init_level, pop_init_level):
6951         Handle constructor_nonconst and nonconst element.
6952         (set_init_index): Call constant_expression_warning for array
6953         designators.
6954         (output_init_element): Fold value.  Set constructor_nonconst as
6955         applicable.  pedwarn for initializers not constant expressions.
6956         Update call to digest_init.  Call constant_expression_warning
6957         where constant initializers are required.
6958         (process_init_element): Use c_save_expr.
6959         (c_finish_goto_ptr): Fold expression.
6960         (c_finish_return): Fold return value.  Update call to
6961         convert_for_assignment.
6962         (c_start_case): Fold switch expression.
6963         (c_process_expr_stmt): Fold expression.
6964         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
6965         ensure statement expression is not evaluated in constant expression.
6966         (build_binary_op): Track whether results are integer constant
6967         expressions or may occur in such, disable folding and wrap results
6968         as applicable.  Fold operands for -Wsign-compare warnings unless
6969         in_late_binary_op.
6970         (c_objc_common_truthvalue_conversion): Handle results folded to
6971         integer constants that are not integer constant expressions.
6972         * doc/extend.texi: Document when typeof operands are evaluated,
6973         that condition of __builtin_choose_expr is an integer constant
6974         expression, and more about use of __builtin_constant_p in
6975         initializers.
6976
6977 2009-03-29  Richard Guenther  <rguenther@suse.de>
6978
6979         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
6980         propagate addresses of array references.
6981
6982 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
6983
6984         * regmove.c (perhaps_ends_bb_p): Remove.
6985         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
6986         from INSN and check that the main loop stays within that basic block.
6987         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
6988         (regmove_forward_pass): Split out from regmove_optimize.  Use
6989         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
6990         (regmove_backward_pass): Split out from regmove_optimize.  Use
6991         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
6992         (regmove_optimize): Simplify.
6993
6994 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
6995
6996         PR target/39545
6997         * config/i386/i386.c (classify_argument): Ignore flexible array
6998         member in struct and warn ABI change.
6999
7000 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
7001
7002         * config/i386/i386-protos.h (ix86_agi_dependent): New.
7003
7004         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
7005         (ix86_adjust_cost): Updated.
7006
7007 2009-03-29  Jan Hubicka  <jh@suse.cz>
7008
7009         PR middle-end/28850
7010         * tree-pass.h (pass_cleanup_eh): New function.
7011         (remove_unreachable_regions): Break code handling RTL
7012         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
7013         that can not be reached by runtime.
7014         (can_be_reached_by_runtime): New function.
7015         (label_to_region_map): New function.
7016         (num_eh_regions): New function.
7017         (rtl_remove_unreachable_regions): New function.
7018         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
7019         (remove_eh_region): New function.
7020         * except.h: Include sbitmap and vecprim.
7021         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
7022         num_eh_regions): Declare.
7023         * passes.c (init_optimization_passes): Schedule cleanup_eh.
7024         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
7025         * tree-eh.c (tree_remove_unreachable_handlers): New function.
7026         (tree_empty_eh_handler_p): New function.
7027         (cleanup_empty_eh): New function.
7028         (cleanup_eh): New function.
7029         (pass_cleanup_eh): New function.
7030
7031 2009-03-29  Jan Hubicka  <jh@suse.cz>
7032
7033         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
7034         for removed regions.
7035
7036 2009-03-29  Jan Hubicka  <jh@suse.cz>
7037
7038         * except.c (dump_eh_tree): Dump all datastructures.
7039
7040 2009-03-29  Jan Hubicka  <jh@suse.cz>
7041
7042         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
7043         (duplicate_eh_regions_1): Likewise.
7044         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
7045         vector; call EH verification.
7046         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
7047         Be ready for region being removed.
7048
7049 2009-03-29  Jan Hubicka  <jh@suse.cz>
7050
7051         * bitmap.c (bitmap_last_set_bit): New function.
7052         * bitmap.h (bitmap_last_set_bit): Declare.
7053
7054 2009-03-29  David Ayers  <ayers@fsfe.org>
7055
7056         PR objc/27377
7057         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
7058         by calling objc_compare_types and surpress warnings about
7059         incompatible C pointers that are compatible ObjC pointers.
7060
7061 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
7062
7063         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
7064         call initialize_inline_failed.
7065         (initialize_inline_failed): Move it from here ...
7066         * cgraph.c (initialize_inline_failed): ... to here.
7067         (cgraph_create_edge): Call initialize_inline_failed rather than
7068         setting inline_failed directly.
7069
7070 2009-03-29  Ben Elliston  <bje@au.ibm.com>
7071
7072         PR target/32542
7073         * sysv4.opt (msdata): Improve comment.
7074         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
7075         * sysv4.h (SVR4_ASM_SPEC): Likewise.
7076
7077 2009-03-29  Ben Elliston  <bje@au.ibm.com>
7078
7079         PR target/30451
7080         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
7081         load and store attributes.
7082
7083 2009-03-29  Ben Elliston  <bje@au.ibm.com>
7084
7085         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
7086         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
7087         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
7088         * doc/extend.texi (X86 Built-in Functions): Add index entries for
7089         __builtin_infq and __builtin_huge_valq.
7090
7091 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
7092
7093         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
7094         atmega8m1 devices.
7095         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7096         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
7097
7098 2009-03-28  Xinliang David Li  <davidxl@google.com>
7099
7100         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
7101         (do_dbg_cnt): New function.
7102
7103 2009-03-28  Jan Hubicka  <jh@suse.cz>
7104
7105         Merge from pretty-ipa:
7106
7107         2009-03-27  Jan Hubicka  <jh@suse.cz>
7108
7109         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
7110         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
7111         * passes.c (function_called_by_processed_nodes_p): New.
7112         * ipa-pure-const.c (check_call): Fix handling of operands.
7113         (analyze_function): Dump debug output for skipped bodies.
7114         (local_pure_const): Use function_called_by_processed_nodes_p.
7115         * dwarf2out.c (reference_to_unused): Use output.
7116         * passes.c (do_per_function_toporder): Likewise.
7117
7118         2008-11-12  Jan Hubicka  <jh@suse.cz>
7119
7120         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
7121         * ipa-pure-const.c (funct_state_d): Add can throw field; make
7122         state_set_in_source enum
7123         (check_decl): Ignore memory tags; do not set fake looping flags;
7124         dump diagnostics.
7125         (check_operand, check_tree, check_rhs_var, check_lhs_var,
7126         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
7127         (check_call, analyze_function): Rewrite.
7128         (check_stmt): New.
7129         (add_new_function): Update call of analyze_function.
7130         (generate_summary): Add call of analyze_function.
7131         (propagate): Propagate can_throw; handle state_set_in_source correctly.
7132         (local_pure_const): New function.
7133         (pass_local_pure_const): New pass.
7134         * ipa-inline.c (inline_transform): Set after_inlining.
7135         * tree-eh.c (stmt_can_throw_external): New.
7136         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
7137         work with aliasing built.
7138         * tree-flow.h (stmt_can_throw_external): New.
7139         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
7140         and local pure/const pass in early and late optimization queue.
7141
7142 2009-03-28  Martin Jambor  <mjambor@suse.cz>
7143
7144         * fold-const.c (get_pointer_modulus_and_residue): New parameter
7145         allow_func_align.
7146         (fold_binary): Allow function decl aligment consideration is the
7147         second argument is integer constant one.
7148         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
7149         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
7150         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
7151
7152 2009-03-28  Jan Hubicka  <jh@suse.cz>
7153
7154         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
7155         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
7156         * function.h (rtl_data): Add nothrow flag.
7157         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
7158         set DECL_NOTHROW for AVAILABLE functions.
7159
7160 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
7161
7162         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
7163         following vector keyword has expansion starting with pixel or bool
7164         keyword, expand vector to __vector and pixel or bool to __pixel or
7165         __bool.
7166
7167         PR c++/39554
7168         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
7169         warn_if_disallowed_function_p): Removed.
7170         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
7171         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
7172         warning_if_disallowed_function_p.
7173         * flags.h (warn_if_disallowed_function_p,
7174         warn_disallowed_functions): Removed.
7175         * common.opt (Wdisallowed-function-list=): Removed.
7176         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
7177
7178 2009-03-28  Richard Guenther  <rguenther@suse.de>
7179
7180         PR tree-optimization/38723
7181         * tree-ssa-pre.c (compute_avail): Add all default definitions to
7182         the entry block.
7183
7184 2009-03-28  Jan Hubicka  <jh@suse.cz>
7185
7186         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
7187         test introduced by my previous patch.
7188
7189 2009-03-28  Richard Guenther  <rguenther@suse.de>
7190
7191         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
7192         the PHIs value undefined.
7193
7194 2009-03-28  Jan Hubicka  <jh@suse.cz>
7195
7196         * tree-pass.h (pass_fixup_cfg): New pass.
7197         * ipa-inline.c (inline_transform): Set
7198         always_inline_functions_inlined/after_inlining.
7199         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
7200         (pass_fixup_cfg): New pass.
7201         * passes.c (init_optimization_passes): Add fixup_cfg.
7202
7203 2009-03-28  Richard Guenther  <rguenther@suse.de>
7204
7205         PR tree-optimization/38458
7206         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
7207         argument use the arguments copy-of value.
7208
7209 2009-03-28  Richard Guenther  <rguenther@suse.de>
7210
7211         PR tree-optimization/38180
7212         * tree-ssa-ccp.c (get_default_value): Simplify.
7213         (likely_value): Likewise.
7214         (surely_varying_stmt_p): Properly handle VOP case.
7215         (ccp_initialize): Likewise.
7216         (ccp_fold): Handle propagating through *&.
7217         (fold_const_aggregate_ref): Also handle decls.
7218
7219 2009-03-28  Jan Hubicka  <jh@suse.cz>
7220
7221         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
7222         * cgraph.h (cgraph_node): Likewise.
7223         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
7224         (cgraph_reset_node): Use process flag.
7225         (cgraph_mark_functions_to_output): Likewise.
7226         (cgraph_expand_function): Likewise.
7227         (cgraph_expand_all_functions): Likewise.
7228         (cgraph_output_in_order): Likewise.
7229         * dwarf2out.c (reference_to_unused): Likewise.
7230         * passes.c do_per_function_toporder): Likewise.
7231
7232 2009-03-28  Jan Hubicka  <jh@suse.cz>
7233
7234         Bring from lto-branch:
7235
7236         2008-09-03  Doug Kwan  <dougkwan@google.com>
7237
7238         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
7239         enums instead of reason strings.
7240         * cgraph.c (cgraph_create_edge): Same.
7241         (cgraph_inline_failed_string): New function.
7242         * cgraph.h (cgraph_inline_failed_t): New enum type.
7243         (cgraph_inline_failed_string): New prototype.
7244         (struct cgraph_edge): Change type of INLINED_FAILED from constant
7245         char pointer to cgraph_inline_failed_t.
7246         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
7247         (cgraph_default_inline_p): Ditto.
7248         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
7249         to cgraph_inline_failed_t pointer.
7250         * cif-code.def: New file.
7251         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
7252         reason string.
7253         (cgraph_check_inline_limits): Change type of REASON to pointer to
7254         cgraph_inline_failed_t.  Replace reason strings with enums.
7255         (cgraph_default_inline_p): Ditto.
7256         (cgraph_recursive_inlining_p): Ditto.
7257         (update_caller_keys): Change type of FAILED_REASON to
7258         cgraph_inline_failed_t.
7259         (cgraph_set_inline_failed): Change type of REASON to pointer to
7260         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
7261         convert enums to strings for text output.
7262         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
7263         to be of type cgraph_inline_failed_t.  Replace reason strings with
7264         enums.  Call cgraph_inline_failed_string to covert enums
7265         to strings for text output.
7266         (cgraph_decide_inlining): Replace reason strings with enums.
7267         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
7268         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
7269         for text output.
7270         * tree-inline.c (expand_call_inline): Change type of REASON
7271         to cgraph_inline_failed_t.  Replace reason strings with enums.
7272         Call cgraph_inline_failed_string for text output.
7273         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
7274         (cgraph.o): Ditto.
7275
7276 2009-03-28  Jan Hubicka  <jh@suse.cz>
7277
7278         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
7279         cgraph_clone_node): Remove master clone handling.
7280         (cgraph_is_master_clone, cgraph_master_clone): Remove.
7281         * cgraph.h (master_clone): Remove.
7282         (cgraph_is_master_clone, cgraph_master_clone): Remove.
7283         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
7284         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
7285
7286 2009-03-28  Jan Hubicka  <jh@suse.cz>
7287
7288         * cgraph.c (cgraph_function_body_availability): Functions declared
7289         inline are always safe to assume that it is not going to be replaced.
7290
7291 2009-03-28  Richard Guenther  <rguenther@suse.de>
7292
7293         PR tree-optimization/38513
7294         * tree-ssa-pre.c (eliminate): Remove redundant stores.
7295         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
7296         EXC_PTR_EXPR and FILTER_EXPR.
7297         (get_ref_from_reference_ops): Likewise.
7298
7299 2009-03-28  Richard Guenther  <rguenther@suse.de>
7300
7301         PR tree-optimization/38968
7302         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
7303         Use FLOOR_MOD_EXPR to compute misalignment.
7304
7305 2009-03-28  Richard Guenther  <rguenther@suse.de>
7306
7307         PR tree-optimization/37795
7308         * tree.h (combine_comparisons): Declare.
7309         * fold-const.c (combine_comparisons): Export.
7310         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
7311         comparisons.
7312         (ifcombine_iforif): Use combine_comparisons.
7313
7314 2009-03-28  Jan Hubicka  <jh@suse.cz>
7315
7316         * tree-eh.c (inlinable_call_p): New function.
7317         (make_eh_edges): Use it.
7318         (verify_eh_edges): Use it.
7319         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
7320         * except.c (reachable_next_level): Add inlinable_function argument
7321         (sjlj_find_directly_reachable_regions): Update.
7322         (add_reachable_handler): Do not set saw_any_handlers.
7323         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
7324         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
7325         Add new inlinable call parameter.
7326         (can_throw_internal, can_throw_external): Update.
7327         * except.h (can_throw_internal_1, can_throw_external_1,
7328         foreach_reachable_handler): Update declaration.
7329
7330 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
7331
7332         * config/arm/t-arm-coff, config/h8300/coff.h,
7333         config/i386/i386-aout.h, config/i386/i386-coff.h,
7334         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
7335         config/pdp11/2bsd.h, config/rs6000/aix41.h,
7336         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
7337         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
7338         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
7339         sys-types.h: Remove.
7340         * Makefile.in: Remove protoize and fixproto support and references
7341         in comments.
7342         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
7343         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
7344         Remove.
7345         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
7346         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
7347         unprotoize$(exeext).
7348         (rest.encap): Don't depend on $(STMP_FIXPROTO)
7349         (.PHONY): Don't depend on proto.
7350         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
7351         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
7352         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
7353         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
7354         build/gen-protos.o, build/scan.o, xsys-protos.h,
7355         build/fix-header$(build_exeext), build/fix-header.o,
7356         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
7357         stmp-install-fixproto): Remove.
7358         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
7359         SYSCALLS.c or fixproto files.
7360         (install-common): Don't install protoize.
7361         (install-headers-tar, install-headers-cpio, install-headers-cp):
7362         Don't depend on $(STMP_FIXPROTO).
7363         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
7364         install fixproto files or write out fixproto settings.
7365         (uninstall): Don't uninstall protoize.
7366         * config.gcc (use_fixproto): Remove.
7367         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
7368         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
7369         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
7370         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
7371         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
7372         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
7373         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
7374         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
7375         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
7376         * config/t-vxworks (STMP_FIXPROTO): Remove.
7377         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
7378         STMP_FIXPROTO): Remove.
7379         * config.in, configure: Regenerate.
7380         * crtstuff.c (gid_t, uid_t): Don't undefine.
7381         * doc/install.texi: Change m68k-coff to m68k-elf in example.
7382         (arm-*-coff, arm-*-aout: Remove target entries.
7383         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
7384         Remove mention of AIX 4.1.
7385         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
7386         * doc/invoke.texi (Running Protoize): Remove.
7387         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
7388         (Protoize Caveats): Remove.
7389         * tsystem.h: Update comments on headers assumed to exist.
7390
7391 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
7392
7393         * genautomata.c: Add a new year to the copyright.  Add a new
7394         reference.
7395         (struct insn_reserv_decl): Add comments for member bypass_list.
7396         (find_bypass): Remove.
7397         (insert_bypass): New.
7398         (process_decls): Use insert_bypass.
7399         (output_internal_insn_latency_func): Output all bypasses with the
7400         same input insn in one switch case.
7401
7402         * rtl.def (define_bypass): Describe bypass choice.
7403         * doc/md.texi (define_bypass): Ditto.
7404
7405 2009-03-27  Richard Guenther  <rguenther@suse.de>
7406
7407         * gimplify.c (mark_addressable): Export.
7408         * tree-flow.h (mark_addressable): Declare.
7409         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
7410         * tree-ssa.c (verify_phi_args): Verify that address taken
7411         variables have TREE_ADDRESSABLE set.
7412
7413 2009-03-27  Richard Guenther  <rguenther@suse.de>
7414
7415         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
7416         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
7417         Do not mark decls TREE_ADDRESSABLE.
7418         (build_fold_addr_expr): Adjust.
7419         (fold_addr_expr): Remove.
7420         (fold_unary): Use build_fold_addr_expr.
7421         (fold_comparison): Likewise.
7422         (split_address_to_core_and_offset): Likewise.
7423         * coverage.c (tree_coverage_counter_addr): Mark the array decl
7424         TREE_ADDRESSABLE.
7425         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
7426         (gimplify_modify_expr_to_memcpy): Mark source and destination
7427         addressable.
7428         * omp-low.c (create_omp_child_function): Mark the object decl
7429         TREE_ADDRESSABLE.
7430         (lower_rec_input_clauses): Mark the var we take the address of
7431         TREE_ADDRESSABLE.
7432         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
7433
7434 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7435
7436         PR middle-end/39315
7437         * cfgexpand.c (expand_one_stack_var_at): Change alignment
7438         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
7439
7440 2009-03-27  Richard Guenther  <rguenther@suse.de>
7441
7442         PR tree-optimization/39120
7443         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
7444         constraints.
7445         (handle_lhs_call): Process return constraints.  Add escape
7446         constraints if necessary.
7447         (handle_const_call): Fill out return constraints.  Make nested
7448         case more precise.  Avoid consttmp if possible.
7449         (handle_pure_call): Fill out return constraints.  Avoid
7450         callused if possible.
7451         (find_func_aliases): Simplify call handling.
7452
7453 2009-03-27  Richard Guenther  <rguenther@suse.de>
7454
7455         PR tree-optimization/39120
7456         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
7457         as a representative.
7458         (solve_graph): Do propagate CALLUSED.
7459         (handle_pure_call): Use a scalar constraint from CALLUSED for
7460         the return value.
7461         (find_what_p_points_to): CALLUSED shall not appear in poins-to
7462         solutions.
7463
7464 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7465
7466         PR c/39323
7467         * c-common.c (handle_aligned_attribute): Properly check alignment
7468         overflow.  Use (1U << i) instead of (1 << i).
7469
7470         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
7471
7472         * expr.h (get_mem_align_offset): Updated.
7473
7474         * tree.h (tree_decl_common): Change align to "unsigned int" and
7475         move it before pointer_alias_set.
7476
7477 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7478             Jakub Jelinek  <jakub@redhat.com>
7479
7480         PR target/38034
7481         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
7482         gr_register_operand with gr_reg_or_0_operand.
7483         (cmpxchg_rel_di): Likewise.
7484         (sync_lock_test_and_set<mode>): Likewise.
7485
7486 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7487
7488         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
7489         (true_regnum): Likewise.
7490
7491         * rtlanal.c (subreg_info): Moved to ...
7492         * rtl.h (subreg_info): Here.  New.
7493         (subreg_get_info): New.
7494
7495         * rtlanal.c (subreg_get_info): Make it extern.
7496
7497 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7498
7499         PR target/39472
7500         * config/i386/i386.c (ix86_abi): New.
7501         (override_options): Handle -mabi=.
7502         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
7503         (ix86_call_abi_override): Likewise.
7504         (init_cumulative_args): Likewise.
7505         (function_arg_advance): Likewise.
7506         (function_arg_64): Likewise.
7507         (function_arg): Likewise.
7508         (ix86_pass_by_reference): Likewise.
7509         (ix86_function_value_regno_p): Likewise.
7510         (ix86_build_builtin_va_list_abi): Likewise.
7511         (setup_incoming_varargs_64): Likewise.
7512         (is_va_list_char_pointer): Likewise.
7513         (ix86_init_machine_status): Likewise.
7514         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
7515         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
7516         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
7517         (ix86_function_abi): Make it static and return enum calling_abi.
7518         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
7519         with ix86_abi.
7520         (ix86_fn_abi_va_list): Updated.
7521
7522         * config/i386/i386.h (ix86_abi): New.
7523         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
7524         (CONDITIONAL_REGISTER_USAGE): Likewise.
7525         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
7526         (machine_function): Likewise.
7527
7528         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
7529         with ix86_abi.
7530         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
7531         (STACK_BOUNDARY): Likewise.
7532         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
7533
7534         * config/i386/i386.opt (mabi=): New.
7535
7536         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
7537         return enum calling_abi.
7538         (ix86_function_type_abi): Likewise.
7539         (ix86_function_abi): Removed.
7540
7541         * doc/invoke.texi: Document -mabi= option for x86.
7542
7543 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7544
7545         * builtins.c (real_dconstp): Delete.
7546         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
7547
7548 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
7549             Jakub Jelinek  <jakub@redhat.com>
7550
7551         PR debug/37959
7552         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
7553         (gen_subprogram_die): When a function is explicit, generate the
7554         DW_AT_explicit attribute.
7555         * langhooks.h (struct lang_hooks_for_decls): Add
7556         function_decl_explicit_p langhook.
7557         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
7558         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
7559
7560 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
7561
7562         * builtins.c (fold_builtin_memory_op): Optimize memmove
7563         into memcpy if we can prove source and destination don't overlap.
7564
7565         * tree-inline.c: Include gt-tree-inline.h.
7566         (clone_fn_id_num): New variable.
7567         (clone_function_name): New function.
7568         (tree_function_versioning): Use it.
7569         * Makefile.in (GTFILES): Add tree-inline.c.
7570
7571 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
7572
7573         * BASE-VER: Change to 4.5.0.
7574
7575 2009-03-27  Xinliang David Li  <davidxl@google.com>
7576
7577         PR tree-optimization/39557
7578         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
7579
7580 2009-03-27  Xinliang David Li  <davidxl@google.com>
7581
7582         PR tree-optimization/39548
7583         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
7584         candidate check.
7585
7586 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7587
7588         * c-common.c (pointer_int_sum): Use %wd on return from
7589         tree_low_cst.
7590
7591 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7592
7593         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
7594         on return from tree_low_cst.
7595
7596 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7597
7598         PR c++/36799
7599         * ginclude/stdarg.h (va_copy): Define also for
7600         __GXX_EXPERIMENTAL_CXX0X__.
7601
7602 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7603
7604         PR c++/35652
7605         * builtins.h (c_strlen): Do not warn here.
7606         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
7607         * c-common.c (pointer_int_sum): Take an explicit location.
7608         Warn about offsets out of bounds.
7609         * c-common.h (pointer_int_sum): Adjust declaration.
7610
7611 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7612
7613         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
7614         markup glitch.
7615
7616 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
7617
7618         PR c++/39554
7619         * opts.c (warn_if_disallowed_function_p): Don't assume
7620         get_callee_fndecl must return non-NULL.
7621
7622 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
7623
7624         PR rtl-optimization/39522
7625         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
7626         when reg_reloaded_valid is set.
7627
7628 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7629
7630         * config/spu/divv2df3.c: New file.
7631         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
7632         (DPBIT_FUNCS): Filter out _div_df.
7633
7634 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
7635
7636         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
7637         a jump insn, count that jump in the distance to the loop start.
7638
7639 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
7640
7641         PR target/39523
7642         * config/sh/sh.c (calc_live_regs): Fix condition for global
7643         registers except PIC_OFFSET_TABLE_REGNUM.
7644
7645 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
7646
7647         PR/39518
7648         * doc/invoke.texi (-mconsole): New.
7649         (-mcygwin): New.
7650         (-mno-cygwin): New.
7651         (-mdll): New.
7652         (-mnop-fun-dllimport): New.
7653         (-mthread): New.
7654         (-mwin32): New.
7655         (-mwindows): New.
7656         (sub section "i386 and x86-64 Windows Options"): New.
7657
7658 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
7659
7660         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
7661         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
7662
7663 2009-03-25  Richard Guenther  <rguenther@suse.de>
7664
7665         PR middle-end/39497
7666         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
7667         of -Wno-error.
7668
7669 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
7670
7671         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
7672         neither of haifa/selective schedulers are working.
7673
7674 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7675
7676         * doc/invoke.texi (Debugging Options): Fix description of
7677         -fno-merge-debug-strings.
7678
7679 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
7680
7681         * config/cris/libgcc.ver: New version-script.
7682         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
7683
7684         * configure.ac <GAS features, nop mnemonic>: Add pattern
7685         crisv32-*-* for "nop".
7686         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
7687         * configure: Regenerate.
7688
7689 2009-03-24  Ira Rosen  <irar@il.ibm.com>
7690
7691         PR tree-optimization/39529
7692         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
7693         mark_sym_for_renaming for the tag copied to the new vector
7694         pointer.
7695
7696 2009-03-24  Arthur Loiret  <aloiret@debian.org>
7697
7698         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
7699         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
7700         EXTRA_SPEC_FUNCTIONS.
7701         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
7702         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
7703         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
7704         -march and -mtune options.
7705
7706 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
7707
7708         * config/m68k/t-rtems: Add m5329 multilib.
7709
7710 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
7711             Jakub Jelinek  <jakub@redhat.com>
7712
7713         PR debug/39524
7714         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
7715         nodes.
7716
7717 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
7718
7719         PR c/39495
7720         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
7721         instead of c_parser_expression_conv, if original_code isn't one of the
7722         4 allowed comparison codes, fail.
7723
7724 2009-03-23  Richard Guenther  <rguenther@suse.de>
7725
7726         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
7727         * tree.h (struct tree_type): Likewise.
7728         * reload.h (struct insn_chain): Likewise.
7729         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
7730         * function.h (struct function): Likewise.
7731         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
7732
7733 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
7734
7735         PR tree-optimization/39516
7736         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
7737
7738 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
7739
7740         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
7741         should be set true if BITS_PER_WORD of target is bigger than 32
7742
7743 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
7744
7745         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
7746         Translate -B-options to -rpath-link.  Correct existing
7747         rpath-link and conditionalize on !nostdlib.
7748
7749 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7750
7751         * doc/extend.texi (Function Attributes, Variable Attributes):
7752         Fix typos.
7753         * doc/invoke.texi (Debugging Options, Optimize Options)
7754         (i386 and x86-64 Options, MCore Options): Likewise.
7755
7756 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
7757
7758         PR debug/37890
7759         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
7760         it for block local namespace aliases.
7761         (gen_decl_die): Pass context_die to gen_namespace_die.
7762
7763 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
7764
7765         PR c/39495
7766         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
7767         minimum or maximum value.
7768
7769 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
7770
7771         * reginfo.c (globalize_reg): Recompute derived reg sets.
7772
7773 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
7774
7775         PR target/39063
7776         * libgcc2.c (mprotect): Do not use signed arguments for
7777         VirtualProtect, use DWORD arguments.  Also fix the 'may
7778         be used uninitialized' warning for the np variable.
7779
7780 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
7781
7782         PR target/39496
7783         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
7784         functions using regparm calling conventions when not optimizing.
7785         (ix86_function_sseregparm): Similarly for sseregparm calling
7786         conventions.
7787
7788 2009-03-19  Li Feng  <nemokingdom@gmail.com>
7789
7790         PR middle-end/39500
7791         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
7792         dependence if the first conflict is after niter iterations.
7793
7794 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
7795
7796         PR middle-end/38609
7797         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
7798         functions with dynamic stack-pointer adjustments.
7799
7800 2009-03-19  Ben Elliston  <bje@au.ibm.com>
7801
7802         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
7803         option; change to -msdata=data.
7804
7805 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7806
7807         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
7808         and -fopenmp.
7809
7810 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
7811
7812         PR target/35180
7813         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
7814
7815 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
7816
7817         * doc/invoke.texi (Code Gen Options): Expand discussion of
7818         -fno-common.
7819
7820 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
7821
7822         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
7823         * matrix-reorg.c (struct matrix_info): Likewise.
7824         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
7825         * rtl.h (struct mem_attrs): Likewise.
7826         * df.h (struct df): Likewise.
7827         * tree-data-ref.h (struct data_dependence_relation): Likewise.
7828         * ira-int.h (struct ira_allocno): Likewise.
7829         * df-scan.c (struct df_collection_rec): Likewise.
7830         * ira.c (struct equivalence): Likewise.
7831         * function.c (struct temp_slot): Likewise.
7832         * cfgloop.h (struct loop): Likewise.
7833
7834         PR debug/39485
7835         * function.c (use_register_for_decl): When not optimizing, disregard
7836         register keyword for variables with types containing methods.
7837
7838 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
7839
7840         PR middle-end/39447
7841         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
7842         (is_simple_operand): Call contains_component_ref_p before calling data
7843         reference analysis that would fail on COMPONENT_REFs.
7844
7845         * tree-vrp.c (search_for_addr_array): Fix formatting.
7846
7847 2009-03-18  Richard Guenther  <rguenther@suse.de>
7848
7849         * tree-vect-transform.c (vect_loop_versioning): Fold the
7850         generated comparisons.
7851         * tree-vectorizer.c (set_prologue_iterations): Likewise.
7852         (slpeel_tree_peel_loop_to_edge): Likewise.
7853
7854 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7855
7856         PR middle-end/37805
7857         * opts.c (print_specific_help): In addition to `undocumented',
7858         accept `separate' and `joined' flags if passed alone.  Describe
7859         output by the first matched one of those.
7860         (common_handle_option): Skip over empty strings.
7861         * gcc.c (display_help): Fix help string for `--help='.
7862         * doc/invoke.texi (Option Summary, Overall Options): With
7863         `--help=', classes and qualifiers can both be repeated, but
7864         only the latter can be negated.  One should not pass only
7865         negated qualifiers.  Fix markup and examples.
7866
7867         Revert
7868         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
7869         PR middle-end/37805
7870         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
7871         and -fhelp=separate.
7872
7873 2009-03-17  Jing Yu  <jingyu@google.com>
7874
7875         PR middle-end/39378
7876         * function.h (struct rtl_data): Move is_thunk from here...
7877         (struct function): ...to here.
7878         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
7879         * varasm.c (assemble_start_function): Change is_thunk from crtl to
7880         cfun.
7881         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
7882         cfun.
7883         (alpha_does_function_need_gp, alpha_start_function): Likewise.
7884         (alpha_output_function_end_prologue): Likewise.
7885         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
7886         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
7887         (rs6000_output_function_epilogue): Likewise.
7888         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
7889
7890 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
7891
7892         PR target/39482
7893         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
7894         from different units in a single alternative.
7895         (*truncdfsf_i387): Ditto.
7896         (*truncxfsf2_mixed): Ditto.
7897         (*truncxfdf2_mixed): Ditto.
7898
7899 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
7900
7901         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
7902         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
7903
7904         PR debug/39474
7905         * tree-ssa-live.c (remove_unused_locals): Don't remove local
7906         unused non-artificial variables when not optimizing.
7907
7908         PR debug/39471
7909         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
7910         DW_TAG_imported_module even if decl is IMPORTED_DECL with
7911         NAMESPACE_DECL in its DECL_INITIAL.
7912
7913         PR middle-end/39443
7914         * optabs.c (set_user_assembler_libfunc): New function.
7915         * expr.h (set_user_assembler_libfunc): New prototype.
7916         * c-common.c: Include libfuncs.h.
7917         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
7918         for memcmp, memset, memcpy, memmove and abort.
7919         * Makefile.in (c-common.o): Depend on libfuncs.h.
7920
7921         PR debug/39412
7922         * dwarf2out.c (gen_inlined_enumeration_type_die,
7923         gen_inlined_structure_type_die, gen_inlined_union_type_die,
7924         gen_tagged_type_instantiation_die): Removed.
7925         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
7926         do nothing.
7927
7928 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
7929
7930         PR testsuite/38526
7931         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
7932         its use.
7933         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
7934         (check-parallel-%): Ditto.
7935         (check-consistency): Ditto.
7936
7937 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
7938
7939         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
7940         local variable rhs by NULL_TREE.
7941
7942 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7943
7944         PR target/39477
7945         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
7946
7947 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7948
7949         PR target/39476
7950         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
7951
7952 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7953
7954         PR target/39473
7955         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
7956         for ms->sysv ABI calls only in 64bit mode.
7957
7958         * config/i386/i386.md (untyped_call): Support 32bit.
7959
7960 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
7961
7962         * doc/extend.texi: Replace x86_65 with x86_64.
7963
7964 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
7965
7966         PR tree-optimization/39455
7967         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
7968         mismatches for POINTER_TYPE_P (type).
7969         (number_of_iterations_le): Likewise.
7970
7971 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
7972
7973         * config/picochip/picochip.c: Removed profiling support.
7974         * config/picochip/picochip.md: Removed profiling instruction.
7975         * config/picochip/picochip.h: Removed profiling builtin.
7976
7977 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
7978
7979         * doc/install.texi (--with-host-libstdcxx): Document.
7980
7981 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
7982
7983         PR target/34299
7984         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
7985         generate a warning if the function name does not begin with
7986         "__vector" and the function has either the 'signal' or 'interrupt'
7987         attribute, from here to ...
7988         (avr_declare_function_name): ...here. New function.
7989         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
7990         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
7991
7992 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
7993
7994         PR bootstrap/39454
7995         * cse.c (fold_rtx): Don't modify original const_arg1 when
7996         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
7997         separate variable instead.
7998         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
7999         from out of range shift counts.
8000         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
8001
8002 2009-03-13  Catherine Moore  <clm@codesourcery.com>
8003
8004         * config/i386/x-mingw32 (host-mingw32.o): Replace
8005         diagnostic.h with $(DIAGNOSTIC_H).
8006
8007 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
8008
8009         PR target/39431
8010         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
8011         predicate.
8012         * config/i386/sync.md (sync_compare_and_swap<mode>,
8013         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
8014         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
8015         into a register.
8016         (sync_double_compare_and_swapdi_pic,
8017         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
8018         cmpxchg8b_pic_memory_operand instead of just memory_operand.
8019
8020 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8021
8022         PR target/39445
8023         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
8024
8025 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8026
8027         PR target/39327
8028         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
8029         (avx_addsubv4df3): Likewise.
8030         (*avx_addsubv4sf3): Likewise.
8031         (sse3_addsubv4sf3): Likewise.
8032
8033 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8034
8035         PR target/38824
8036         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
8037
8038 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
8039
8040         PR debug/39432
8041         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
8042         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
8043         registers for allocnos created from user-defined variables.
8044
8045 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8046
8047         PR target/39181
8048         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
8049         of non-integer mode as well.
8050
8051 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
8052
8053         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
8054         for functions for which the parameter types are unknown.
8055
8056 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
8057
8058         PR target/39137
8059         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
8060         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
8061         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
8062         * config/i386/i386.c (ix86_local_alignment): For
8063         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
8064         long long variables on the stack to avoid dynamic realignment.
8065         Allow the first argument to be a decl rather than type.
8066         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
8067
8068 2009-03-11  Nick Clifton  <nickc@redhat.com>
8069
8070         PR target/5362
8071         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
8072         options.
8073         Add description to mno-lsim option.
8074         * config/mcore/mcore.h: Remove comment about deprecated m4align
8075         option.
8076         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
8077         * doc/invoke.texi: Add description of mno-lsim and
8078         mstack-increment options.
8079
8080         * config/fr30/fr30.opt: Document the -mno-lsim option.
8081         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
8082         and -mno-lsim options.
8083
8084 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8085
8086         * fold-const.c (fold_comparison): Only call fold_inf_compare
8087         if the mode supports infinities.
8088
8089 2009-03-11  Jason Merrill  <jason@redhat.com>
8090
8091         PR debug/39086
8092         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
8093         end already did.  Notice GIMPLE_CALL modifications of the result.
8094         Don't copy debug information from an ignored decl or a decl from
8095         another function.
8096
8097 2009-03-10  Richard Guenther  <rguenther@suse.de>
8098             Nathan Froyd  <froydnj@codesourcery.com>
8099
8100         PR middle-end/37850
8101         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
8102         (__divMODE3): Likewise.
8103
8104 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
8105
8106         PR tree-optimization/39394
8107         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
8108         DECL_SIZE_UNIT of variable length FIELD_DECLs.
8109
8110 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
8111
8112         * recog.c (verfiy_changes): Disallow renaming of hard regs in
8113         inline asms for register asm ("") declarations.
8114
8115 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
8116
8117         * fold-const.c (fold_unary): Fix comment.
8118
8119 2009-03-07  Jan Hubicka  <jh@suse.cz>
8120
8121         PR target/39361
8122         * tree-inline.c (setup_one_parameter): Do replacement of const
8123         argument by constant in SSA form.
8124
8125 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8126
8127         PR middle-end/38028
8128         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
8129         determine alignment passed to assign_stack_local.
8130         (assign_parms_unsplit_complex): Likewise.
8131         * except.c (sjlj_build_landing_pads): Likewise.
8132
8133 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
8134
8135         PR middle-end/39360
8136         * tree-flow.h (add_referenced_var): Return bool instead of void.
8137         * tree-dfa.c (add_referenced_var): Return result of
8138         referenced_var_check_and_insert call.
8139         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
8140         of referenced_var_check_and_insert.
8141
8142         PR debug/39372
8143         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
8144         (gen_variable_die): Emit DW_AT_location on abstract static variable's
8145         DIE, don't emit it if abstract origin already has it.
8146         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
8147         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
8148
8149 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
8150
8151         * genpreds.c (needs_variable): Fix parentheses at variable name
8152         detection.
8153         (write_tm_constrs_h): Indent generated code.
8154
8155 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8156
8157         * doc/extend.texi (Function Attributes): Add documentation
8158         for isr attributes.
8159
8160 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
8161
8162         PR debug/39387
8163         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
8164         take locus from its DECL_SOURCE_LOCATION instead of input_location.
8165
8166 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
8167
8168         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
8169         the loop as bad.
8170
8171 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
8172
8173         PR debug/39379
8174         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
8175         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
8176
8177 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
8178
8179         * config/i386/i386.md (R8_REG, R9_REG): New constants.
8180         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
8181         constants instead of magic numbers.
8182         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
8183         (QI_REG_P): Ditto.
8184         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
8185         (x86_64_ms_abi_int_parameter_registers): Ditto.
8186         (x86_64_int_return_registers): Ditto.
8187         (ix86_maybe_switch_abi): Ditto.
8188         (ix86_expand_call): Ditto for clobbered_registers array.
8189         (ix86_hard_regno_mode_ok): Ditto.
8190         (x86_extended_QIreg_mentioned_p): Ditto.
8191
8192 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
8193
8194         PR tree-optimization/39349
8195         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
8196
8197         * combine.c (gen_lowpart_for_combine): Use omode when generating
8198         clobber.
8199
8200 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
8201
8202         PR rtl-optimization/39235
8203         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
8204
8205 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
8206
8207         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
8208
8209 2009-03-04  Richard Guenther  <rguenther@suse.de>
8210
8211         PR tree-optimization/39362
8212         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
8213         that occur in abnormal PHIs should be varying.
8214
8215 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
8216
8217         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
8218         Extend comments.
8219         (simple_iv):  Take loop as an argument instead of statement.
8220         * tree-scalar-evolution.h (simple_iv): Declaration changed.
8221         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
8222         to simple_iv.
8223         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
8224         Ditto.
8225         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
8226         * matrix-reorg.c (analyze_transpose): Ditto.
8227         * tree-data-ref.c (dr_analyze_innermost): Ditto.
8228         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
8229         * tree-predcom.c (ref_at_iteration): Ditto.
8230         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
8231
8232 2009-03-04  Richard Guenther  <rguenther@suse.de>
8233
8234         PR tree-optimization/39358
8235         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
8236         escaped_id and callused_id.
8237         (solve_graph): Likewise.
8238
8239 2009-03-04  Richard Guenther  <rguenther@suse.de>
8240
8241         PR tree-optimization/39339
8242         * tree-sra.c (try_instantiate_multiple_fields): Make it
8243         no longer ICE on the above.
8244
8245 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
8246
8247         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
8248         that fits within Pmode.
8249
8250 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
8251
8252         PR middle-end/10109
8253         * tm.texi (LIBCALL_VALUE): Update description.
8254
8255 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
8256
8257         PR middle-end/34443
8258         * doc/extend.texi (section): Update description.
8259
8260 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
8261
8262         PR middle-end/39345
8263         * tree-inline.c (remapped_type): New.
8264         (can_be_nonlocal): Call remapped_type instead of remap_type.
8265
8266 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
8267
8268         PR fortran/39354
8269         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
8270         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
8271
8272 2009-03-03  Richard Guenther  <rguenther@suse.de>
8273
8274         PR middle-end/39272
8275         * tree.c (tree_nonartificial_location): New function.
8276         * tree.h (tree_nonartificial_location): Declare.
8277         * builtins.c (expand_builtin_memory_chk): Provide location
8278         of the call location for artificial function pieces.
8279         (maybe_emit_chk_warning): Likewise.
8280         (maybe_emit_sprintf_chk_warning): Likewise.
8281         (maybe_emit_free_warning): Likewise.
8282         * expr.c (expand_expr_real_1): Likewise.
8283
8284 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
8285
8286         PR tree-optimization/39343
8287         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
8288         COMPONENT_REF t has ARRAY_TYPE.
8289
8290 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
8291
8292         PR middle-end/39335
8293         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
8294         when the type precision of the induction variable should be
8295         larger than the type precision of nit.
8296         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
8297         * graphite.c (graphite_loop_normal_form): Same.
8298         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
8299
8300 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
8301
8302         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
8303         (*call_1_rex64_ms_sysv): Use named constants instead of magic
8304         numbers to describe clobbered registers.
8305         (*call_value_0_rex64_ms_sysv): Ditto.
8306         * config/i386/mmx.md (mmx_emms): Ditto.
8307         (mmx_femms): Ditto.
8308
8309 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
8310
8311         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
8312         of ABI_64.
8313
8314 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8315
8316         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
8317         (spu_section_type_flags): New function.
8318
8319 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
8320
8321         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
8322         reg_class_contents of FLOAT_REGS into a temporary.
8323
8324 2009-03-02  Richard Guenther  <rguenther@suse.de>
8325             Ira Rosen  <irar@il.ibm.com>
8326
8327         PR tree-optimization/39318
8328         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
8329         information to the vectorized statement.
8330
8331 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
8332
8333         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
8334         variable.  Use defined names instead of magic constants for REX SSE
8335         registers.
8336
8337 2009-03-01  Richard Guenther  <rguenther@suse.de>
8338
8339         PR tree-optimization/39331
8340         * omp-low.c (lower_send_shared_vars): Do not receive new
8341         values for the reference of DECL_BY_REFERENCE parms or results.
8342
8343 2009-03-01  Jan Hubicka  <jh@suse.cz>
8344
8345         PR debug/39267
8346         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
8347         BLOCK_NONLOCALIZED_VAR): New macros.
8348         (tree_block): Add nonlocalized_vars.
8349         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
8350         gen_decl_die): Add origin argument.  Allow generation of die with
8351         origin at hand only.
8352         (gen_member_die, gen_type_die_with_usage, force_decl_die,
8353         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
8354         of gen_*.
8355         (gen_block_die): Fix checking for unused blocks.
8356         (process_scope_var): Break out from .... ; work with origins only.
8357         (decls_for_scope) ... here; process nonlocalized list.
8358         (dwarf2out_ignore_block): Look for nonlocalized vars.
8359         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
8360         vars.
8361         (dump_scope_block): Dump them.
8362         * tree-inline.c (remap_decls): Handle nonlocalized vars.
8363         (remap_block): Likewise.
8364         (can_be_nonlocal): New predicate.
8365         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
8366
8367 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8368
8369         * configure: Regenerate.
8370
8371 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8372
8373         * optc-gen.awk: No need to duplicate option flags twice.
8374         Reuse help texts for duplicate options which do not have any.
8375
8376         * gcc.c (display_help): Document --version.
8377
8378         * gcc.c (main): If print_help_list and verbose_flag, ensure
8379         driver output comes before subprocess output.
8380
8381         * optc-gen.awk: Assign all remaining fields to help string,
8382         space-separated, for multi-line help in *.opt.
8383
8384         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
8385         -Wno-pedantic-ms-format is for MinGW targets only.
8386
8387         * doc/options.texi (Option file format): Fix bad indentation,
8388         restoring dropped sentence.
8389
8390 2009-02-28  Jan Hubicka  <jh@suse.cz>
8391
8392         * tree-inline.c (tree_function_versioning): Output debug info.
8393
8394 2009-02-28  Jan Hubicka  <jh@suse.cz>
8395
8396         PR debug/39267
8397         * tree-inline.c (setup_one_parameter): Do not copy propagate
8398         arguments when not optimizing.
8399
8400 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
8401
8402         PR target/39327
8403         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
8404         (avx_addsubv4df3): Likewise.
8405         (*avx_addsubv4sf3): Likewise.
8406         (sse3_addsubv4sf3): Likewise.
8407         (*avx_addsubv2df3): Likewise.
8408         (sse3_addsubv2df3): Likewise.
8409         (avx_unpckhps256): Correct item selectors.
8410         (avx_unpcklps256): Likewise.
8411         (avx_unpckhpd256): Likewise.
8412         (avx_unpcklpd256): Likewise.
8413
8414 2009-02-28  Jan Hubicka  <jh@suse.cz>
8415
8416         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
8417         static vars.
8418         (copy_arguments_for_versioning): If var is declared don't declare it.
8419         (tree_function_versioning): First setup substitutions and then copy
8420         args.
8421
8422 2009-02-27  Jan Hubicka  <jh@suse.cz>
8423
8424         PR debug/39267
8425         * cgraph.h (varpool_output_debug_info): Remove.
8426         * cgraphunit.c (varpool_output_debug_info): Remove.
8427         * dwarf2out.c (deferred_locations_struct): New struct
8428         (deferred_locations): New type.
8429         (deferred_locations_list): New static var.
8430         (deffer_location): New function.
8431         (gen_variable_die): Use it.
8432         (decls_for_scope): Output info on local static vars.
8433         (dwarf2out_finish): Process deferred locations.
8434         * varpool.c (varpool_output_debug_info): Remove.
8435
8436 2009-02-27  Jan Hubicka  <jh@suse.cz>
8437
8438         PR debug/39267
8439         * tree.h (TREE_PROTECTED): Fix comment.
8440         (BLOCK_HANDLER_BLOCK): Remove.
8441         (struct tree_block): Remove handler_block add body_block.
8442         (inlined_function_outer_scope_p): New.
8443         (is_body_block): Remove.
8444         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
8445         * dwarf2out.c (is_inlined_entry_point): Remove.
8446         (add_high_low_attributes): Use inlined_function_outer_scope_p.
8447         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
8448         code.
8449         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
8450         * gimplify.c (gimplify_expr): Gimplify body blocks.
8451         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
8452         block with multiple subblocks.
8453         (dump_scope_block): Prettier output; dump more flags and info.
8454         (dump_scope_blocks): New.
8455         (remove_unused_locals): Use dump_scope_blocks.
8456         * tree-flow.h (dump_scope_blocks): Declare.
8457         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
8458         * stmt.c (is_body_block): Remove.
8459         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
8460         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
8461
8462 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
8463
8464         PR middle-end/39308
8465         * graphite.c (graphite_loop_normal_form): Do not call
8466         number_of_iterations_exit from a gcc_assert.
8467
8468 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
8469
8470         * config/s390/s390.c (s390_swap_cmp): Look for conditional
8471         jumps if COND is NULL.
8472         (find_cond_jump): New function.
8473         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
8474         * config/s390/s390.md: Remove z10_cobra attribute value.
8475
8476 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
8477
8478         * config/alpha/alpha.h (alpha_expand_mov): Return false if
8479         force_const_mem returns NULL_RTX.
8480
8481 2009-02-26  Jan Hubicka  <jh@suse.cz>
8482
8483         PR debug/39267
8484         * cgraph.h (varpool_output_debug_info): Remove.
8485         * cgraphunit.c (varpool_output_debug_info): Remove.
8486         * dwarf2out.c (deferred_locations_struct): New struct
8487         (deferred_locations): New type.
8488         (deferred_locations_list): New static var.
8489         (deffer_location): New function.
8490         (gen_variable_die): Use it.
8491         (decls_for_scope): Output info on local static vars.
8492         (dwarf2out_finish): Process deferred locations.
8493         * varpool.c (varpool_output_debug_info): Remove.
8494
8495 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
8496
8497         PR rtl-optimization/39241
8498         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
8499         to subreg_offset_representable_p.
8500
8501 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
8502
8503         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
8504         execute function prototype.  Get f and nregs from max_reg_num
8505         and get_insns.  Remove the first backward pass as it's dead,
8506         guard the forward pass by flag_expensive_optimizations.
8507         (rest_of_handle_regmove): Delete.
8508         (pass_regmove): Replace it with regmove_optimize.
8509
8510 2009-02-25  Martin Jambor  <mjambor@suse.cz>
8511
8512         PR tree-optimization/39259
8513         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
8514         calls_alloca function flags.
8515         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
8516         calls are detected.
8517
8518 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
8519
8520         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
8521         flags_set_1_rtx, flags_set_1_set): Delete.
8522         (regmove_optimize): Do not call mark_flags_life_zones.
8523
8524 2009-02-24  Julian Brown  <julian@codesourcery.com>
8525
8526         PR target/35965
8527         * config/arm/arm.c (require_pic_register): Only set
8528         cfun->machine->pic_reg once per function.
8529
8530 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
8531
8532         * doc/invoke.texi (Link Options): Document an easier way to pass
8533         options that take arguments to the GNU linker using -Xlinker and -Wl.
8534
8535 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
8536
8537         PR target/33785
8538         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
8539
8540 2009-02-24  Richard Guenther  <rguenther@suse.de>
8541
8542         PR debug/39285
8543         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
8544
8545 2009-02-24  Richard Guenther  <rguenther@suse.de>
8546             Zdenek Dvorak  <ook@ucw.cz>
8547
8548         PR tree-optimization/39233
8549         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
8550         from converting them to a generic type.
8551
8552 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
8553
8554         PR tree-optimization/39260
8555         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
8556         contains a condition with a real type.
8557         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
8558
8559 2009-02-23  Jason Merrill  <jason@redhat.com>
8560
8561         PR c++/38880
8562         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
8563         narrowing_initializer_constant_valid_p.
8564         (narrowing_initializer_constant_valid_p): Don't return
8565         null_pointer_node for adding a pointer to itself.
8566
8567 2009-02-23  Jan Hubicka  <jh@suse.cz>
8568
8569         PR c/12245
8570         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
8571         resizing.
8572
8573 2009-02-23  Jan Hubicka  <jh@suse.cz>
8574
8575         PR tree-optimization/37709
8576         * tree.c (block_ultimate_origin): Move here from dwarf2out.
8577         * tree.h (block_ultimate_origin): Declare.
8578         * dwarf2out.c (block_ultimate_origin): Move to tree.c
8579         * tree-ssa-live.c (remove_unused_scope_block_p):
8580         Eliminate blocks containig no instructions nor live variables nor
8581         nested blocks.
8582         (dump_scope_block): New function.
8583         (remove_unused_locals): Enable removal of dead blocks by default;
8584         enable dumping at TDF_DETAILS.
8585
8586 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
8587
8588         * config/i386/i386.c (classify_argument): Don't allow COImode
8589         and OImode.
8590         (function_arg_advance_32): Don't allow OImode.
8591         (function_arg_32): Likewise.
8592         (function_value_32): Likewise.
8593         (return_in_memory_32): Likewise.
8594         (function_arg_64): Remove OImode comment.
8595
8596 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
8597
8598         PR target/39261
8599         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
8600         ix86_expand_vector_set for V4DImode in 64bit mode only.
8601         (ix86_expand_vector_init_one_var): Likewise.
8602
8603 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
8604
8605         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
8606
8607 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
8608
8609         PR bootstrap/39257
8610         * loop-iv.c: Revert last change.
8611         * emit-rtl.c: Likewise.
8612
8613 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
8614
8615         PR target/39256
8616         * config/i386/i386.c (type_natural_mode): Remove an extra
8617         space in the warning message.
8618         (function_value_32): Handle 32-byte vector modes.
8619         (return_in_memory_32): Likewise.
8620
8621 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
8622
8623         * loop-iv.c (truncate_value): New function.
8624         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
8625         of lowpart_subreg.
8626         (lowpart_subreg): Move to...
8627         * emit-rtl.c: ...here.
8628
8629 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
8630
8631         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
8632         accidental and undocumented change at revision 140860.
8633
8634 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
8635
8636         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
8637         take gimple_seq * arguments.
8638         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
8639         types_compatible_p langhook.
8640
8641 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
8642             Joseph Myers  <joseph@codesourcery.com>
8643
8644         * config/arm/arm.c (arm_builtin_va_list): New function.
8645         (arm_expand_builtin_va_start): Likewise.
8646         (arm_gimplify_va_arg_expr): Likewise.
8647         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
8648         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
8649         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
8650         (va_list_type): New variable.
8651         (arm_mangle_type): Mangle va_list_type appropriately.
8652
8653 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
8654
8655         PR middle-end/39157
8656         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
8657         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
8658         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
8659         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
8660         parameter to 1000 for -O1 by default.
8661         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
8662         parameter.
8663         * loop-invariant.c: Include params.h.
8664         (move_loop_invariants): Don't call move_single_loop_invariants on
8665         very large loops.
8666
8667 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
8668
8669         * calls.c (emit_library_call_value_1): Use slot_offset instead of
8670         offset when calculating bounds for indexing stack_usage_map.  Fixes
8671         a buffer overflow with certain target setups.
8672
8673 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
8674
8675         PR target/39240
8676         * calls.c (expand_call): Clear try_tail_call if caller and callee
8677         disagree in promotion of function return value.
8678
8679 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
8680
8681         PR target/39175
8682         * c-common.c (c_determine_visibility): If visibility changed and
8683         DECL_RTL has been already set, call make_decl_rtl to update symbol
8684         flags.
8685
8686 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
8687
8688         PR c++/39188
8689         * varasm.c (assemble_variable): Don't check DECL_NAME when
8690         globalizing a variable.
8691
8692 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
8693
8694         PR c/38483
8695         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
8696         expression before any __builtin_trap call.
8697         * c-typeck.c (build_function_call): Convert and check function
8698         arguments before generating a call to a trap.  Evaluate the
8699         function arguments before the trap.
8700
8701 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
8702
8703         PR target/39228
8704         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
8705         (UNSPEC_FXAM_MEM): New unspec.
8706         (fxam<mode>2_i387_with_temp): New insn and split pattern.
8707         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
8708         memory using fxam<mode>2_i387_with_temp to remove excess precision.
8709
8710 2009-02-19  Richard Guenther  <rguenther@suse.de>
8711
8712         PR tree-optimization/39207
8713         PR tree-optimization/39074
8714         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
8715         storedanything_tree): New.
8716         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
8717         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
8718         (build_succ_graph): Add edges from STOREDANYTHING to all
8719         non-direct nodes.
8720         (init_base_vars): Initialize STOREDANYTHING.
8721         (compute_points_to_sets): Free substitution info after
8722         building the succ graph.
8723         (ipa_pta_execute): Likewise.
8724
8725         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
8726         field.
8727         (do_ds_constraint): Do not add to special var or non-pointer
8728         field solutions.
8729         (type_could_have_pointers): Split out from ...
8730         (could_have_pointers): ... here.  For arrays use the element type.
8731         (create_variable_info_for): Initialize may_have_pointers.
8732         (new_var_info): Likewise.
8733         (handle_lhs_call): Make the HEAP variable unknown-sized.
8734         (intra_create_variable_infos): Use a type with pointers for
8735         PARM_NOALIAS, make it unknown-sized.
8736
8737 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
8738
8739         PR target/39224
8740         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
8741
8742 2009-02-18  Jason Merrill  <jason@redhat.com>
8743
8744         PR target/39179
8745         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
8746         value if DECL_EXTERNAL.
8747         * tree-sra.c (sra_walk_gimple_assign): Likewise.
8748         * target.h (gcc_target::binds_local_p): Clarify "module".
8749         * tree.h (TREE_PUBLIC): Clarify "module".
8750
8751 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
8752
8753         PR target/38891
8754         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
8755         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
8756
8757 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
8758
8759         PR target/39082
8760         * c.opt (Wabi): Support C and ObjC.
8761         (Wpsabi): New.
8762
8763         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
8764
8765         * config/i386/i386.c (classify_argument): Warn once about the ABI
8766         change when passing union with long double.
8767
8768         * doc/invoke.texi: Update -Wabi for warning psABI changes.
8769
8770 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
8771
8772         PR c/35447
8773         * c-parser.c (c_parser_compound_statement): Always enter and leave
8774         a scope.
8775
8776 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8777
8778         PR target/34587
8779         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
8780
8781 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
8782
8783         PR tree-optimization/36922
8784         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
8785         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
8786         Likewise.
8787
8788 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
8789
8790         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
8791         to 0 for EABI64.
8792
8793 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
8794
8795         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
8796
8797 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
8798
8799         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
8800         tree sharing.
8801
8802 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
8803             Richard Sandiford  <rdsandiford@googlemail.com>
8804
8805         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
8806         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
8807         (loongson_biadd): ...this.
8808
8809 2009-02-17  Richard Guenther  <rguenther@suse.de>
8810
8811         PR tree-optimization/39202
8812         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
8813         a var make sure to follow existing collapses.
8814
8815 2009-02-17  Richard Guenther  <rguenther@suse.de>
8816
8817         PR middle-end/39214
8818         * langhooks.c (lhd_print_error_function): Check for NULL block.
8819
8820 2009-02-17  Richard Guenther  <rguenther@suse.de>
8821
8822         PR tree-optimization/39204
8823         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
8824         of the PHI arg.
8825
8826 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
8827
8828         * config/soft-fp/double.h: Update from glibc CVS.
8829
8830 2009-02-17  Richard Guenther  <rguenther@suse.de>
8831
8832         PR tree-optimization/39207
8833         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
8834         strict-aliasing warnings for pointers pointing to NULL.
8835
8836 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
8837
8838         PR c/35446
8839         * c-parser.c (c_parser_braced_init): Call pop_init_level when
8840         skipping until next close brace.
8841
8842 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
8843
8844         PR target/37049
8845         * config/i386/i386.c (ix86_expand_push): Set memory alignment
8846         to function argument boundary.
8847
8848 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
8849
8850         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
8851         in the lea_add. Reload eventually constraints it properly.
8852         * config/picochip/constraints.md: Remove the target constraint
8853         "b", since it is not needed anymore.
8854
8855 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
8856
8857         * gthr-dce.h: Uglify function parameter and local variable names.
8858         * gthr-gnat.h: Likewise.
8859         * gthr-mipssde.h: Likewise.
8860         * gthr-nks.h: Likewise.
8861         * gthr-posix95.h: Likewise.
8862         * gthr-posix.h: Likewise.
8863         * gthr-rtems.h: Likewise.
8864         * gthr-single.h: Likewise.
8865         * gthr-solaris.h: Likewise.
8866         * gthr-tpf.h: Likewise.
8867         * gthr-vxworks.h: Likewise.
8868         * gthr-win32.h: Likewise.
8869
8870 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
8871
8872         PR target/39196
8873         * config/i386/i386.md: Restrict the new peephole2 to move
8874         between MMX/SSE registers.
8875
8876 2009-02-15  Richard Guenther  <rguenther@suse.de>
8877
8878         Revert
8879         2009-02-13  Richard Guenther  <rguenther@suse.de>
8880
8881         * configure.ac: Enable LFS.
8882         * configure: Re-generate.
8883         * config.in: Likewise.
8884
8885 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8886
8887         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
8888         spu_srqwbyte, spu_srqwbytebc): Define.
8889         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
8890         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
8891         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
8892         "shrqby_<mode>"): New insn-and-split patterns.
8893         * config/spu/spu.c (expand_builtin_args): Determine and return
8894         number of operands using spu_builtin_description data.
8895         (spu_expand_builtin_1): Use it.
8896
8897 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
8898
8899         PR target/38056
8900         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
8901         TARGET_CONST_GP.
8902
8903 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
8904
8905         PR target/39149
8906         * config/i386/i386.c (override_options): Correct warning
8907         messages for -malign-loops, -malign-jumps and -malign-functions.
8908
8909 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
8910
8911         PR target/39152
8912         * config/i386/i386.md: Restrict the new peephole2 to move
8913         between the general purpose registers.
8914
8915 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
8916
8917         PR target/39162
8918         * config/i386/i386.c (type_natural_mode): Add a new argument.
8919         Return the original mode and warn ABI change if vector size is 32byte.
8920         (function_arg_advance): Updated.
8921         (function_arg): Likewise.
8922         (ix86_function_value): Likewise.
8923         (ix86_return_in_memory): Likewise.
8924         (ix86_sol10_return_in_memory): Likewise.
8925         (ix86_gimplify_va_arg): Likewise.
8926         (function_arg_32): Don't warn ABX ABI change here.
8927         (function_arg_64): Likewise.
8928
8929 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
8930
8931         * loop-iv.c (implies_p): In the final case, test that operands 0
8932         of the two comparisons match.
8933
8934         * config/bfin/bfin.c (find_prev_insn_start): New function.
8935         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
8936         (find_next_insn_start): Move.
8937
8938 2009-02-13  Richard Guenther  <rguenther@suse.de>
8939
8940         * configure.ac: Enable LFS.
8941         * configure: Re-generate.
8942         * config.in: Likewise.
8943
8944 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
8945
8946         PR c/35444
8947         * c-parser.c (c_parser_parms_list_declarator): Discard pending
8948         sizes on syntax error after some arguments have been parsed.
8949
8950 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
8951
8952         * doc/invoke.texi (-fira): Remove.
8953
8954 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8955
8956         * caller-save.c: Replace regclass.c with reginfo.c in comments.
8957         * recog.c: Likewise.
8958         * rtl.h: Likewise.
8959
8960 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
8961
8962         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
8963         (umul_ppmm): Likewise.
8964         (count_leading_zeros): Likewise.
8965         (count_trailing_zeros): Likewise.
8966         (UMUL_TIME): Likewise.
8967
8968 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8969
8970         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
8971         soft-fp/t-softfp to tmake_file.
8972
8973         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
8974         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
8975         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
8976         IA64_BUILTIN_INFQ]: New.
8977         (ia64_init_builtins): Initialize __builtin_infq,
8978         __builtin_fabsq and __builtin_copysignq if not HPUX.
8979         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
8980         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
8981
8982         * config/ia64/lib1funcs.asm (__divtf3): Define only if
8983         SHARED is defined.
8984         (__fixtfti): Likewise.
8985         (__fixunstfti): Likewise.
8986         (__floattitf): Likewise.
8987
8988         * config/ia64/libgcc-glibc.ver: New.
8989         * config/ia64/t-fprules-softfp: Likewise.
8990         * config/ia64/sfp-machine.h: Likewise.
8991
8992         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
8993         (LIBGCC2_TF_CEXT): Likewise.
8994         (TF_SIZE): Likewise.
8995         (TARGET_INIT_LIBFUNCS): Likewise.
8996
8997         * config/ia64/t-glibc (SHLINB_MAPFILES):
8998         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
8999
9000 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9001
9002         * config/i386/i386.c (construct_container): Rewrite processing
9003         BLKmode with X86_64_SSE_CLASS.
9004
9005 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
9006
9007         PR target/39152
9008         * config/i386/i386.md: Replace simplify_replace_rtx with
9009         replace_rtx in the new peephole2.
9010
9011 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
9012
9013         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
9014         loop unrolling do not happen at -O2.
9015
9016 2009-02-12  Michael Matz  <matz@suse.de>
9017
9018         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
9019
9020 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
9021
9022         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
9023         for -g3.
9024
9025 2009-02-12  Ben Elliston  <bje@au.ibm.com>
9026
9027         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
9028         patterns when updating the back chain.  Missed in the 2009-02-10
9029         change.
9030
9031 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
9032
9033         * doc/extend.texi (Decimal Floating Types): Update identifier of
9034         draft TR and list of missing support.
9035
9036 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
9037
9038         PR middle-end/39154
9039         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
9040         bit to variable length decl's flags, add it also to its
9041         pointer replacement variable.
9042
9043 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
9044             Jakub Jelinek  <jakub@redhat.com>
9045
9046         PR target/39118
9047         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
9048         (memory_blockage): New expander.
9049         (*memory_blockage): New insn pattern.
9050         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
9051         instead of general blockage at the end of function prologue when
9052         frame pointer is used to access red zone area.  Do not emit blockage
9053         when profiling, it is emitted in generic code.
9054         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
9055         function epilogue when frame pointer is used to access red zone area.
9056
9057 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
9058
9059         PR target/38824
9060         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
9061         by arithmetic with memory operands.
9062         * config/i386/predicates.md (commutative_operator): New.
9063
9064 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
9065
9066         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
9067         bulleted lists.
9068
9069 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
9070
9071         * alias.h (record_alias_subset): Declare.
9072         * alias.c (record_alias_subset): Make global.
9073
9074 2009-02-10  Nick Clifton  <nickc@redhat.com>
9075
9076         * tree-parloops.c: Change license to GPLv3.
9077         * ipa-struct-reorg.c: Change license to GPLv3.
9078         * ipa-struct-reorg.h: Change license to GPLv3.
9079
9080 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
9081
9082         PR c/39084
9083         * c-decl.c (start_struct): Return NULL on error.
9084
9085 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
9086
9087         PR middle-end/39124
9088         * cfgloopmanip.c (remove_path): Call remove_bbs after
9089         cancel_loop_tree, not before it.
9090
9091         PR target/39139
9092         * function.h (struct function): Add has_local_explicit_reg_vars bit.
9093         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
9094         VAR_DECLs were seen.
9095         * tree-ssa-live.c (remove_unused_locals): Recompute
9096         cfun->has_local_explicit_reg_vars.
9097         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
9098         copies or clearings if cfun->has_local_explicit_reg_vars.
9099
9100 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
9101
9102         PR target/39118
9103         * config/i386/i386.c (expand_prologue): Emit blockage at the end
9104         of function prologue when frame pointer is used to access
9105         red zone area.
9106
9107 2009-02-10  Richard Guenther  <rguenther@suse.de>
9108
9109         PR middle-end/39127
9110         * gimplify.c (gimple_regimplify_operands): Always look if
9111         we need to create a temporary.
9112
9113 2009-02-10  Richard Guenther  <rguenther@suse.de>
9114
9115         PR tree-optimization/39132
9116         * tree-loop-distribution.c (todo): New global var.
9117         (generate_memset_zero): Trigger TODO_rebuild_alias.
9118         (tree_loop_distribution): Return todo.
9119
9120 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
9121
9122         PR target/39119
9123         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
9124         (x86_64_reg_class_name): Removed.
9125         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
9126         first one isn't X86_64_SSE_CLASS or any other ones aren't
9127         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
9128         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
9129         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
9130         and 3 X86_64_SSEUP_CLASS.
9131         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
9132         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
9133
9134 2009-02-10  Ben Elliston  <bje@au.ibm.com>
9135
9136         * config/rs6000/rs6000.md (allocate_stack): Always use an update
9137         form instruction to update the stack back chain word, even if the
9138         user has disabled the generation of update instructions.
9139         (movdi_<mode>_update_stack): New.
9140         (movsi_update_stack): Likewise.
9141         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
9142         always use an update form instruction to update the stack back
9143         chain word.
9144
9145 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
9146
9147         PR middle-end/38953
9148         * graphite.c (if_region_set_false_region): After moving a region in
9149         the false branch of a condition, remove the empty dummy basic block.
9150         (gloog): Remove wrong fix for PR38953.
9151
9152 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9153
9154         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
9155         generation due to implicit sign extension.
9156
9157 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
9158
9159         PR middle-end/38981
9160         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
9161         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
9162
9163 2009-02-09  Richard Guenther  <rguenther@suse.de>
9164
9165         PR middle-end/35202
9166         * convert.c (convert_to_real): Disable (float)fn((double)x)
9167         to fnf(x) conversion if errno differences may occur and
9168         -fmath-errno is set.
9169
9170 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
9171
9172         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
9173         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9174         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9175
9176 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
9177
9178         PR c/35434
9179         * c-common.c (handle_alias_attribute): Disallow attribute for
9180         anything not a FUNCTION_DECL or VAR_DECL.
9181
9182 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
9183
9184         PR c/39035
9185         * real.c (do_compare): Special-case compare of zero against
9186         decimal float value.
9187
9188 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
9189
9190         PR c/36432
9191         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
9192         as indicating flexible array members unless the field itself is
9193         being declarared as the incomplete array.
9194
9195 2009-02-06  Jan Hubicka  <jh@suse.cz>
9196
9197         PR tree-optimization/38844
9198         * ipa-inline.c (try_inline): Stop inlining recursion when edge
9199         is already inlined.
9200
9201 2009-02-06  Richard Guenther  <rguenther@suse.de>
9202
9203         PR middle-end/38977
9204         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
9205         fork because we may expand it as __gcov_fork.
9206
9207 2009-02-06  Nick Clifton  <nickc@redhat.com>
9208
9209         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
9210
9211 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
9212
9213         PR tree-optimization/35659
9214         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
9215         vn_phi_eq): Shortcut if hashcode does not match.
9216         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
9217         NULL operands.
9218         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
9219         and avoid iterative_hash_expr.
9220         (FOR_EACH_VALUE_ID_IN_SET): New.
9221         (value_id_compare): Remove.
9222         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
9223         sort expressions by value id.
9224
9225 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
9226
9227         PR target/38991
9228         * config/sh/predicates.md (general_movsrc_operand): Don't check
9229         the subreg of system registers here.
9230
9231 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
9232
9233         PR c++/39106
9234         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
9235         on the copied decl.
9236
9237 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
9238
9239         PR rtl-optimization/39110
9240         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
9241         addresses, not aligned ones.
9242
9243 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
9244             Richard Guenther  <rguenther@suse.de>
9245
9246         PR tree-optimization/39100
9247         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
9248         comment says and add edges.
9249
9250 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
9251
9252         PR c/35435
9253         * c-common.c (handle_tls_model_attribute): Ignore attribute for
9254         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
9255
9256 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
9257
9258         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
9259         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
9260         register_bb_in_sese, new_sese, free_sese): Moved.
9261         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
9262         outermost_loop_in_scop, build_scop_iteration_domain,
9263         expand_scalar_variables_ssa_name, get_vdef_before_scop,
9264         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
9265         Use loop_in_sese_p instead of loop_in_scop_p.
9266         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
9267         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
9268         (scopdet_basic_block_info): Fix bug in scop detection.
9269         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
9270         eq_loop_to_cloog_loop): Remove.
9271         (nb_loops_around_loop_in_scop, nb_loop
9272         ref_nb_loops): Moved here...
9273         * graphite.h (ref_nb_loops): ... from here.
9274         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
9275         (loop_domain_dim, loop_iteration_vector_dim): Remove.
9276         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
9277         * testsuite/gcc.dg/graphite/scop-19.c: New
9278
9279 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
9280             Hans-Peter Nilsson  <hp@axis.com>
9281
9282         PR rtl-optimization/37889
9283         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
9284         Move offset handling from PLUS to before the switch.  Use new
9285         arguments when considering SYMBOL_REFs too.
9286         (rtx_addr_can_trap_p): Pass dummy offset and size.
9287         (enum may_trap_p_flags): Remove.
9288         (may_trap_p_1): Pass size from MEM_SIZE.
9289
9290         PR rtl-optimization/38921
9291         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
9292         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
9293         * rtlanal.c (may_trap_after_code_motion_p): Delete.
9294         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
9295
9296 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
9297
9298         AVX Programming Reference (January, 2009)
9299         * config/i386/sse.md (*vpclmulqdq): New.
9300
9301 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
9302
9303         PR tree-optimization/38977
9304         PR gcov-profile/38292
9305         * calls.c (special_function_p): Disregard __builtin_ prefix.
9306
9307 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
9308
9309         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
9310         non-indexable addresses even before reload.
9311
9312 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
9313
9314         PR c/29129
9315         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
9316         as having variable size.  Do not give an error for unnamed
9317         parameters with [*] declarators.  Give a warning for type names
9318         with [*] declarators and mark them as variable size.
9319         * c-parser.c (c_parser_sizeof_expression): Do not give an error
9320         for sizeof applied to [*] type names.
9321
9322 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9323
9324         PR C++/36607
9325         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
9326
9327 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
9328
9329         * gcc.c (process_command): Update copyright notice dates.
9330         * gcov.c (print_version): Likewise.
9331         * gcov-dump.c (print_version): Likewise.
9332         * mips-tfile.c (main): Likewise.
9333         * mips-tdump.c (main): Likewise.
9334
9335 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
9336
9337         PR c/35433
9338         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
9339         for composite type involving a zero-length array type.
9340
9341 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
9342
9343         PR target/35318
9344         * function.c (match_asm_constraints_1): Skip over
9345         initial optional % in the constraint.
9346
9347         PR inline-asm/39059
9348         * c-parser.c (c_parser_postfix_expression): If fixed point is not
9349         supported, don't accept FIXED_CSTs.
9350         * c-decl.c (finish_declspecs): Error if fixed point is not supported
9351         and _Sat is used without _Fract/_Accum.  Set specs->type to
9352         integer_type_node for cts_fract/cts_accum if fixed point is not
9353         supported.
9354
9355 2009-02-02  Catherine Moore  <clm@codesourcery.com>
9356
9357         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
9358
9359 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
9360
9361         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
9362         (ABI_HAS_64BIT_SYMBOLS): Use it.
9363         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
9364
9365 2009-02-02  Paul Brook  <paul@codesourcery.com>
9366
9367         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
9368
9369 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
9370
9371         PR inline-asm/39058
9372         * recog.h (asm_operand_ok): Add constraints argument.
9373         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
9374         recurse on matching constraint.
9375         (check_asm_operands): Pass constraints as 3rd argument to
9376         asm_operand_ok.  Don't look up matching constraint here.
9377         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
9378         to asm_operand_ok.
9379
9380 2009-02-02  Ben Elliston  <bje@au.ibm.com>
9381
9382         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
9383         TARGET_NARROW_VOLATILE_BITFIELD macro names.
9384
9385 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9386
9387         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
9388         information.  Remove some obsolete information.  Reorganize.
9389
9390         * config/pa/fptr.c: Revert license to GPL 2.
9391         * config/pa/milli64.S: Likewise.
9392
9393 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
9394
9395         PR target/38904
9396         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
9397         LIBRARY name in, instead of hard-coding it.
9398         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
9399         extra target make frag to tmake_files according to EH model.
9400         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
9401         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
9402         frags that define makefile variable EH_MODEL appropriately.
9403         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
9404         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
9405         to "-sjlj" according to type of EH configured.
9406         (LIBGCC_SONAME):  Concatenate it to shared library base name.
9407         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
9408         to "_sjlj" according to type of EH configured.
9409         (LIBGCC_SONAME):  Concatenate it to shared library base name.
9410         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
9411         (SHLIB_LINK):  Add missing semicolon to if-else construct.
9412         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
9413         string value of "pe_dll" command-line option.
9414         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
9415         (SHLIB_SONAME):  Use it when overriding t-cygming default.
9416         (SHLIB_IMPLIB):  Override t-cygming default.
9417         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
9418         string value of "pe_dll" command-line option.
9419
9420 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
9421
9422         PR target/38952
9423         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
9424         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
9425
9426 2009-01-31  Richard Guenther  <rguenther@suse.de>
9427
9428         PR tree-optimization/38937
9429         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
9430         computing the transitive closure.
9431
9432 2009-01-30  Richard Guenther  <rguenther@suse.de>
9433
9434         PR tree-optimization/39041
9435         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
9436         Propagate variable indices only if the types match for this stmt.
9437
9438 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
9439
9440         PR target/39013
9441         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
9442         inline but never defined.
9443
9444 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
9445
9446         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
9447         (*insv_h_di_reg_extimm): New insn.
9448         (*insv_l<mode>_reg_extimm): New insn.
9449
9450 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
9451
9452         * config/picochip/picochip.c (flag_conserve_stack): set
9453         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
9454         fconserve-stack. Reduce call-overhead used by inliner.
9455
9456 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
9457
9458         PR/38157
9459         * common.opt (flag_conserve_stack): Initialised to zero.
9460
9461 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
9462
9463         PR/39002
9464         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
9465         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
9466         method.
9467
9468 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
9469
9470         * ira-color.c (allocno_reload_assign): Update comments.
9471         * regmove.c (regmove_optimize): Likewise.
9472
9473         * ra.h: Removed.
9474
9475 2009-01-29  Robert Millan  <rmh@aybabtu.com>
9476
9477         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
9478         * config/i386/kopensolaris-gnu.h: New file.  Undefine
9479         `MD_UNWIND_SUPPORT'.
9480         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
9481
9482 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
9483
9484         PR tree-optimization/39007
9485         * tree-loop-distribution.c (generate_builtin): Use
9486         recompute_dominator to compute the immediate dominator of the
9487         basic block just after the loop.
9488
9489 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9490
9491         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
9492         (ASM_OUTPUT_DWARF_PCREL): Define.
9493
9494 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
9495
9496         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
9497         * doc/passes.texi: Remove entries about regclass, local-alloc, and
9498         global.  Modify entries about regmove and IRA.
9499
9500         * ra-conflict.c: Remove the file.
9501
9502         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
9503
9504         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
9505         (pass_regclass_init): Rename to pass_reginfo_init.
9506
9507         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
9508
9509         * toplev.h (flag_ira): Remove.
9510
9511         * caller-save.c (setup_save_areas): Remove flag_ira.
9512
9513         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
9514
9515         * global.c: Remove the file.
9516
9517         * opts.c (decode_options): Remove flag_ira.
9518
9519         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
9520
9521         * regmove.c: Modify file description.
9522         (find_use_as_address, try_auto_increment): Define them only if
9523         AUTO_INC_DEC is defined.
9524         (replacement_quality, replace_in_call_usage, fixup_match_1,
9525         stable_and_no_regs_but_for_p): Remove.
9526         (reg_set_in_bb): Make it static.
9527         (regmove_optimize): Remove flag_ira and code which worked for
9528         !flag_ira.
9529
9530         * local-alloc.c: Remove the file.
9531
9532         * common.opt (fira): Remove.
9533
9534         * ira.c: Include except.h.
9535         (eliminable_regset): Move from global.c.
9536         (mark_elimination): Ditto.  Remove flag_ira.
9537         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
9538         equiv_mem_modified, validate_equiv_mem_from_store,
9539         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
9540         contains_replace_regs, memref_referenced_p, memref_used_between_p,
9541         no_equiv, recorded_label_ref): Move from local-alloc.c.
9542         (update_equiv_regs): Ditto.  Make it static.
9543         (print_insn_chain, print_insn_chains): Move it from global.c.
9544         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
9545         (build_insn_chain): Ditto.  Make it static.
9546         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
9547         Rename to init_live_subregs.
9548         (gate_ira): Remove flag_ira.
9549
9550         * regclass.c: Rename reginfo.c.  Change file description.
9551         (FORBIDDEN_INC_DEC_CLASSES): Remove.
9552         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
9553         (init_reg_sets_1): Remove code for evaluation of
9554         reg_class_superclasses and losing_caller_save_reg_set.
9555         (init_regs): Remove init_reg_autoinc.
9556         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
9557         ok_for_base_p_nonstrict): Remove.
9558         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
9559         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
9560         corresponding entries.
9561         (dump_regclass, record_operand_costs, scan_one_insn,
9562         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
9563         record_address_regs, auto_inc_dec_reg_p): Remove.
9564         (gt-regclass.h): Rename to gt-reginfo.h.
9565
9566         * rtl.h (dump_global_regs, retry_global_alloc,
9567         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
9568
9569         * Makefile.in (RA_H): Remove.
9570         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
9571         Rename regclass.o to reginfo.o.
9572         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
9573         gt-reginfo.h.
9574         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
9575         (GTFILES): Rename regclass.c to reginfo.c.
9576
9577         * passes.c (init_optimization_passes): Remove pass_local_alloc and
9578         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
9579
9580         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
9581         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
9582         Remove flag_ira.
9583         (finish_spills): Ditto.  Remove code for !flag_ira.
9584
9585 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
9586
9587         PR middle-end/35854
9588         * doc/invoke.texi (rtl debug options): Complete rewrite.
9589         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
9590         to auto_inc_dec".
9591         * mode-switching.c (pass_mode_switching): Rename pass from
9592         "mode-sw" to "mode_sw".
9593         * except.c (pass_convert_to_eh_ranges): Rename pass from
9594         "eh-ranges" to "eh_ranges".
9595         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
9596         to "subreg1".
9597
9598
9599 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
9600             Alexander Monakov  <amonakov@ispras.ru>
9601
9602         PR middle-end/38857
9603         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
9604         register.
9605         (move_exprs_to_boundary): Change return type and pass through
9606         should_move from move_op.  Relax assert.  Update usage ...
9607         (schedule_expr_on_boundary): ... here.  Use should_move instead of
9608         cant_move.
9609         (move_op_orig_expr_found): Indicate that insn was disconnected from
9610         stream.
9611         (code_motion_process_successors): Do not call after_merge_succs
9612         callback if original expression was not found when traversing any of
9613         the branches.
9614         (code_motion_path_driver): Change return type.  Update prototype.
9615         (move_op): Update comment.  Add a new parameter (should_move).  Update
9616         prototype.  Set *should_move based on indication provided by
9617         move_op_orig_expr_found.
9618
9619 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
9620
9621         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
9622         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
9623         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
9624         * config/rs6000/rs6000.c (rs6000_override_options): Default
9625         avoid-indexed-addresses on for Power6, off for everything else.
9626         (avoiding_indexed_address_p): New function.
9627         (rs6000_legitimize_address): Use it.
9628         (rs6000_legitimate_address): Likewise.
9629         * config/rs6000/rs6000.md (movXX_updateX): Likewise
9630
9631 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
9632
9633         PR tree-optimization/38997
9634         * tree-loop-distribution.c (generate_memset_zero): Use
9635         POINTER_PLUS_EXPR for a pointer addition.
9636
9637 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
9638
9639         * config/s390/s390.md (bswap<mode>2): New pattern added.
9640
9641 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
9642
9643         * config/s390/s390.md (*tls_load_31): Added type attribute.
9644
9645 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
9646
9647         * config/s390/s390.md: Fix a few comments.
9648
9649 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
9650
9651         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
9652         (*tm<mode>_full): Fixed z10prop attribute.
9653         (*tst<mode>_extimm): Fixed z10prop attribute.
9654         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
9655         (*tstqiCCT_cconly): Fixed z10prop attribute.
9656         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
9657         (*movsi_larl): Fixed z10prop attribute.
9658         (*movsi_zarch): Fixed z10prop attribute.
9659         (*movsi_eas): Fixed z10prop attribute.
9660         (*movhi): Fixed z10prop attribute.
9661         (*movqi): Fixed z10prop attribute.
9662         (*movstrictqi): Fixed z10prop attribute.
9663         (*mov<mode>): Fixed z10prop attribute.
9664         (*movcc): Fixed z10prop attribute.
9665         (*sethighpartdi_64): Fixed z10prop attribute.
9666         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
9667         (*negdi2_sign_cc): Fixed z10prop attribute.
9668         (*negdi2_sign): Fixed z10prop attribute.
9669         (*absdi2_sign_cc): Fixed z10prop attribute.
9670         (*absdi2_sign): Fixed z10prop attribute.
9671         (*negabsdi2_sign_cc): Fixed z10prop attribute.
9672         (*negabsdi2_sign): Fixed z10prop attribute.
9673         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
9674         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
9675         (doloop_si64): Fixed z10prop attribute.
9676         (doloop_si31): Fixed z10prop attribute.
9677         (doloop_long): Fixed z10prop attribute.
9678         (indirect_jump): Fixed z10prop attribute.
9679         (nop): Fixed z10prop attribute.
9680         (main_base_64): Fixed z10prop attribute.
9681         (reload_base_64): Fixed z10prop attribute.
9682
9683 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
9684
9685         PR rtl-optimization/38740
9686         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
9687         if !optimize.
9688         * config/mips/mips.c (mips_reorg): Likewise.
9689
9690 2009-01-28  Richard Guenther  <rguenther@suse.de>
9691
9692         PR tree-optimization/38926
9693         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
9694         with the correct value id to a value.
9695         (do_regular_insertion): Use the value number of edoubleprime
9696         for the value number of the expr.
9697
9698         Revert
9699         2008-08-21  Richard Guenther  <rguenther@suse.de>
9700
9701         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
9702         a PHI ask VN if it is already available.
9703         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
9704         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
9705
9706 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
9707
9708         PR middle-end/38934
9709         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
9710         set to varying whenever max has TREE_OVERFLOW set, similarly
9711         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
9712
9713 2009-01-28  Richard Guenther  <rguenther@suse.de>
9714
9715         PR middle-end/38908
9716         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
9717         uninitialized aggregate uses in call arguments.
9718
9719 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
9720
9721         PR tree-optimization/38984
9722         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
9723         the nothing_id variable if -fno-delete-null-pointer-checks.
9724
9725 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
9726
9727         PR target/38988
9728         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
9729         (set_got_offset_rex64): Ditto.
9730
9731 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
9732
9733         PR target/38941
9734         * doc/extend.texi: Improve local variable with asm reg.
9735
9736 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
9737
9738         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
9739         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
9740         was not supplied then set warn_packed_bitfield_compat to the
9741         default value of 1.
9742         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
9743         against 1.
9744
9745 2009-01-27  Richard Guenther  <rguenther@suse.de>
9746
9747         PR tree-optimization/38503
9748         * cfgexpand.c (expand_gimple_basic_block): Ignore
9749         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
9750         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
9751         variables that cannot have TBAA applied.
9752         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
9753         statements.
9754
9755 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
9756
9757         PR middle-end/38969
9758         * calls.c (initialize_argument_information): Do not wrap complex
9759         arguments in SAVE_EXPR.
9760
9761 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
9762
9763         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
9764         (INSTALL_LIBGCC): Revert typo commit.
9765
9766 2009-01-26  Richard Guenther  <rguenther@suse.de>
9767
9768         PR tree-optimization/38745
9769         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
9770         from special handling.
9771
9772 2009-01-26  Richard Guenther  <rguenther@suse.de>
9773
9774         PR tree-optimization/38745
9775         * tree-ssa.c (execute_update_addresses_taken): Do not include
9776         variables that cannot possibly be a register in not_reg_needs.
9777         Do not clear TREE_ADDRESSABLE on vars that may not become
9778         registers.
9779         * tree-ssa.c (update_alias_info_1): Include those in the set
9780         of addressable vars.
9781
9782 2009-01-26  Richard Guenther  <rguenther@suse.de>
9783
9784         PR middle-end/38851
9785         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
9786         * tree-ssa-dse.c: Include langhooks.h
9787         (execute_simple_dse): Remove stores with zero size.
9788
9789 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
9790
9791         PR c/38957
9792         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
9793         as PLUS_EXPR.
9794
9795 2009-01-24  Julian Brown  <julian@codesourcery.com>
9796
9797         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
9798         config/arm/linux-atomic.c.
9799         * config/arm/linux-atomic.c: New.
9800
9801 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
9802
9803         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
9804         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
9805         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
9806
9807 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
9808
9809         PR c/38938
9810         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
9811         properly.
9812
9813 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
9814
9815         PR tree-optimization/38953
9816         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
9817         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
9818         (gloog): Split the exit of the scop when the scop exit is a loop exit.
9819         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
9820         changed the CFG.
9821
9822 2009-01-24  Paul Brook  <paul@codesourcery.com>
9823
9824         * config/arm/neon.md (neon_type): Move to arm.md.
9825         (neon_mov<VSTRUCT>): Add neon_type attribute.
9826         * config/arm/arm.md (neon_type): Move to here.
9827         (conds): Add "unconditioal" and use as default for NEON insns.
9828
9829 2009-01-24  Ben Elliston  <bje@au.ibm.com>
9830
9831         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
9832         void *' warning from -Wc++-compat.
9833         * Makefile.in (dominance.o-warn): Remove.
9834
9835 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
9836
9837         PR tree-optimization/38932
9838         * fold-const.c (fold_unary_ignore_overflow): New.
9839         * tree.h (fold_unary_ignore_overflow): Declare.
9840         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
9841         * tree-ssa-sccvn.c (visit_reference_op_load,
9842         simplify_unary_expression): Likewise.
9843
9844 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
9845
9846         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
9847         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
9848         regardless of their type.
9849         * c-common.c (handle_packed_attribute): Don't ignore packed on
9850         bitfields.
9851         * c.opt (Wpacked-bitfield-compat): New warning option.
9852         * stor-layout.c (place_field): Warn if offset of a field changed.
9853         * doc/extend.texi (packed): Mention the ABI change.
9854         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
9855         (Warning Options): Add it to the list.
9856
9857 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9858
9859         * c-opts.c (c_common_post_options): Fix a typo in comments.
9860
9861 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
9862
9863         PR middle-end/38615
9864         * gimplify.c (gimplify_init_constructor): Fix promotion of const
9865         variables to static.
9866         * doc/invoke.texi (-fmerge-all-constants): Update description.
9867
9868 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
9869
9870         PR target/38931
9871         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
9872         (*movdi_1_rex64): Use type "mmx" for alternative 5.
9873
9874 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
9875
9876         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
9877         a word boundary.
9878         (LOCAL_ALIGNMENT): Similarly.
9879
9880 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
9881             Joseph Myers  <joseph@codesourcery.com>
9882
9883         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
9884         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
9885         * config/arm/arm-tune.md: Regenerate.
9886         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
9887         -march=iwmmxt2.
9888
9889 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
9890
9891         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
9892         version number to five.
9893
9894 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
9895
9896         PR c++/38930
9897         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
9898         * c-common.c (set_underlying_type): Likewise.
9899         (is_typedef_decl ): Likewise
9900         * tree.h: Likewise
9901         (set_underlying_type): Likewise.
9902         (is_typedef_type): Likewise.
9903
9904 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
9905
9906         PR middle-end/38587
9907         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
9908         crossing setjmps.
9909
9910 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
9911
9912         PR bootstrap/37660
9913         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
9914         (LIBGCC_SPEC):  Don't define.
9915         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
9916
9917 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
9918
9919         PR rtl-optimization/38879
9920         * alias.c (base_alias_check): Unaligned access via AND address can
9921         alias all surrounding object types except those with sizes equal
9922         or wider than the size of unaligned access.
9923
9924 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
9925
9926         PR c++/26693
9927         * c-decl.c (clone_underlying_type): Move this ...
9928         * c-common.c (set_underlying_type): ... here.
9929         Also, make sure the function properly sets TYPE_STUB_DECL() on
9930         the newly created typedef variant type.
9931         (is_typedef_decl ): New entry point.
9932         * tree.h: Added a new member member_types_needing_access_check to
9933         struct tree_decl_non_common.
9934         (set_underlying_type): New entry point.
9935         (is_typedef_type): Likewise.
9936
9937 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
9938
9939         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
9940         Check whether two instructions have memory references that
9941         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
9942         are helper functions for traversing.
9943         * alias.h (insn_alias_sets_confilict_p): New prototypes.
9944         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
9945         not to draw dependency edge for instructions with non-conflicting
9946         alias sets.
9947
9948 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
9949
9950         PR other/38758
9951         * longlong.h: Update copyright years.  Use soft-fp license notice.
9952         Sync __clz_tab declaration with glibc.
9953
9954 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
9955
9956         PR target/30687
9957         * doc/extend.texi (syscall_linkage): New.
9958         (version_id): Modify.
9959
9960 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9961             Richard Guenther  <rguenther@suse.de>
9962
9963         PR tree-optimization/38747
9964         PR tree-optimization/38748
9965         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
9966         conversion if the base address is an indirect reference and the
9967         aliasing sets could cause issues.
9968
9969 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
9970
9971         * common.opt (fgraphite, fgraphite-identity): Add comment for
9972         explaining why these options are not documented.
9973
9974 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
9975
9976         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
9977         gimple_call_lhs is NULL.
9978
9979 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
9980
9981         PR target/38868
9982         * emit-rtl.c (adjust_address_1): Make sure memref is never
9983         overwritten.
9984
9985 2009-01-20  Ben Elliston  <bje@au.ibm.com>
9986
9987         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
9988         const qualifier from arg parameter. Remove unnecessary cast to char *.
9989         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
9990         const qualifier from arg 2.
9991
9992 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
9993
9994         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
9995
9996 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
9997
9998         PR c/38869
9999         * rtl.h (reinit_regs): New prototype.
10000         * regclass.c: Include ira.h.
10001         (reinit_regs): New.
10002         * Makefile.in (regclass.o): Add ira.h.
10003         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
10004
10005 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
10006
10007         PR target/38736
10008         * c-common.c (handle_aligned_attribute): Use
10009         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
10010         default alignment value.
10011
10012         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
10013
10014         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
10015         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
10016
10017         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
10018         __BIGGEST_ALIGNMENT__.
10019
10020         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
10021
10022 2009-01-18  Richard Guenther  <rguenther@suse.de>
10023
10024         PR tree-optimization/38819
10025         * tree-flow.h (operation_could_trap_helper_p): Declare.
10026         * tree-eh.c (operation_could_trap_helper_p): Export.
10027         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
10028         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
10029         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
10030         are about to insert a possibly trapping instruction and fail
10031         in this case.
10032
10033 2009-01-18  Andreas Schwab  <schwab@suse.de>
10034
10035         * doc/install.texi (Configuration): Remove obsolete paragraph
10036         about use of --with-gnu-ld with --with-gnu-as.
10037
10038 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
10039
10040         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
10041         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
10042         Follow spelling conventions.
10043
10044 2009-01-18  Ben Elliston  <bje@au.ibm.com>
10045
10046         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
10047         C++ warning about implicit conversion from void * to struct
10048         bitmap_head_def *.
10049         (bitmap_obstack_free): Likewise for bitmap_element *.
10050         * Makefile.in (bitmap.o-warn): Remove.
10051
10052 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
10053
10054         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
10055
10056 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
10057             Tobias Grosser  <tobi.grosser@amd.com>
10058
10059         * graphite.c (graphite_trans_scop_block): Do not block single
10060         nested loops.
10061
10062 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
10063
10064         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
10065         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
10066         test with assertion.
10067
10068 2009-01-16  Richard Guenther  <rguenther@suse.de>
10069
10070         PR tree-optimization/38835
10071         PR middle-end/36227
10072         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
10073         and INT + PTR -> (INT)(PTR p+ INT) folding.
10074         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
10075
10076 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
10077
10078         PR target/38554
10079         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
10080         the subreg from a lowpart subreg if it is also casting the value.
10081
10082 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10083             Tobias Grosser  <tobi.grosser@amd.com>
10084
10085         * graphite.c (compare_prefix_loops): New.
10086         (build_scop_canonical_schedules): Rewritten.
10087         (graphite_transform_loops): Move build_scop_canonical_schedules
10088         after build_scop_iteration_domain.
10089
10090 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10091             Tobias Grosser  <tobi.grosser@amd.com>
10092
10093         * graphite.c (add_conditions_to_domain): Add the loops to
10094         the dimension of the iteration domain.  Do copy the domain
10095         only when it exists.
10096         (build_scop_conditions_1): Do not call add_conditions_to_domain.
10097         (add_conditions_to_constraints): New.
10098         (can_generate_code_stmt, can_generate_code): Removed.
10099         (gloog): Do not call can_generate_code.
10100         (graphite_transform_loops): Call add_conditions_to_constraints
10101         after building the iteration domain.
10102
10103 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
10104
10105         PR tree-optimization/38789
10106         * tree-ssa-threadedge.c
10107         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
10108         __builtin_constant_p.
10109
10110 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
10111
10112         * dce.c (delete_unmarked_insns): Reversed the order that insns are
10113         examined before deleting them.
10114
10115 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
10116
10117         * function.c (aggregate_value_p): Correctly extract the function
10118         type from CALL_EXPR_FN lookup.
10119
10120 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
10121
10122         * config/picochip/picochip.c (picochip_override_options): Revert
10123         CFI asm flag disable commited previously.
10124
10125 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
10126             Tobias Grosser  <tobi.grosser@amd.com>
10127             Jan Sjodin  <jan.sjodin@amd.com>
10128
10129         * graphite.c (scan_tree_for_params): On substractions negate
10130         all the coefficients of the term.
10131         (clast_to_gcc_expression_red): New.  Handle reduction expressions
10132         of more than two operands.
10133         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
10134         (get_vdef_before_scop): Handle also the case of default definitions.
10135
10136 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
10137
10138         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
10139         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
10140         Also use them when walking CALL_INSN_FUNCTION_USAGE.
10141
10142 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
10143             Joey Ye  <joey.ye@intel.com>
10144
10145         PR middle-end/37843
10146         * cfgexpand.c (expand_stack_alignment): Don't update stack
10147         boundary nor check incoming stack boundary here.
10148         (gimple_expand_cfg): Update stack boundary and check incoming
10149         stack boundary here.
10150
10151 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
10152
10153         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
10154
10155 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
10156
10157         PR rtl-optimization/38245
10158         * calls.c (expand_call): Add stack arguments to
10159         CALL_INSN_FUNCTION_USAGE even for pure calls (when
10160         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
10161         in regs and partially in memory or BLKmode arguments.
10162         (emit_library_call_value_1): Add stack arguments to
10163         CALL_INSN_FUNCTION_USAGE even for pure calls (when
10164         ACCUMULATE_OUTGOING_ARGS).
10165         * dce.c: Include tm_p.h.
10166         (find_call_stack_args): New function.
10167         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
10168         argument.
10169         (mark_insn): Call find_call_stack_args for CALL_Ps.
10170         (prescan_insns_for_dce): Walk insns backwards in bb rather than
10171         forwards.  Allocate and free arg_stores bitmap if needed, pass it
10172         down to deletable_insn_p, don't mark stores set in arg_stores
10173         bitmap, clear the bitmap at the beginning of each bb.
10174         * Makefile.in (dce.o): Depend on $(TM_P_H).
10175
10176 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
10177
10178         PR target/22599
10179         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
10180         to make sure the insn is a conditional test (bug 22599).  Reformat a
10181         few long lines.
10182
10183 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
10184
10185         PR middle-end/38431
10186         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
10187         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
10188         (gloog): Do not call cleanup_tree_cfg.
10189         (graphite_transform_loops): Call cleanup_tree_cfg after all
10190         scops have been code generated.
10191
10192 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
10193         * doc/gty.texi (Invoking the garbage collector): Added new node
10194         and section documenting ggc_collect.
10195
10196 2009-01-14  Richard Guenther  <rguenther@suse.de>
10197
10198         PR tree-optimization/38826
10199         PR middle-end/38477
10200         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
10201         initialization notes only if we actually emitted a warning.
10202         (intra_create_variable_infos): Add constraints for a result decl
10203         that is passed by hidden reference.
10204         (build_pred_graph): Mark all related variables non-direct on
10205         address-taking.
10206
10207 2009-01-14  Nick Clifton  <nickc@redhat.com>
10208
10209         * ira-conflicts.c: Include addresses.h for the definition of
10210         base_reg_class.
10211         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
10212         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
10213
10214 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
10215
10216         PR target/38811
10217         * Makefile.in (ira-lives.o): Add except.h.
10218
10219         * ira-lives.c: Include except.h.
10220         (process_bb_node_lives): Process can_throw_internal.
10221
10222 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
10223
10224         PR rtl-optimization/38774
10225         * combine.c (simplify_set): When undoing cc_use change, don't do
10226         PUT_CODE on the newly created comparison, but instead put back the
10227         old comparison.
10228
10229 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
10230
10231         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
10232         values.  Remove duplicate arm8 entry.
10233
10234 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
10235
10236         PR tree-optimization/38786
10237         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
10238         the SSA_NAME case of expand_scalar_variables_expr.
10239         Set the type of an expression to the type of its assign statement.
10240         (expand_scalar_variables_expr): Also gather the scalar computation
10241         used to index the memory access.  Do not pass loop_p.
10242         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
10243         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
10244         the gimple_stmt_iterator where it inserts new code.
10245         Do not pass loop_p.
10246         (copy_bb_and_scalar_dependences): Do not pass loop_p.
10247         (translate_clast): Update call to copy_bb_and_scalar_dependences.
10248
10249 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
10250
10251         * graphite.h (debug_value): Removed.
10252         * graphite.c (debug_value): Removed.
10253
10254 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
10255
10256         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
10257         ldrd/strd with two 32-bit instructions.
10258
10259 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
10260
10261         * config/arm/arm.c (struct processors): Pass for speed down into
10262         cost helper functions.
10263         (const_ok_for_op): Handle COMPARE and inequality nodes.
10264         (arm_rtx_costs_1): Rewrite.
10265         (arm_size_rtx_costs): Update prototype.
10266         (arm_rtx_costs): Pass speed down to helper functions.
10267         (arm_slowmul_rtx_costs): Rework cost calculations.
10268         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
10269         (arm_9e_rtx_costs): Likewise.
10270
10271 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
10272
10273         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
10274         relocations of local symbols wider than UNITS_PER_WORD are not valid.
10275         (alpha_legitimize_address): Do not split local symbols wider than
10276         UNITS_PER_WORD into HIGH/LO_SUM parts.
10277
10278 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
10279
10280         PR bootstrap/38580
10281         * gcc.c (process_command): Replace call to execvp with calls
10282         to pex_one and exit.
10283
10284 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
10285
10286         PR target/29141
10287         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
10288         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
10289         variant for devices with 3-byte PC.
10290         (__tablejump_elpm__): New.
10291
10292 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
10293
10294         PR c/32041
10295         * c-parser.c (c_parser_postfix_expression): Allow `->' in
10296         offsetof member-designator, handle it as `[0].'.
10297
10298 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10299
10300         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
10301         function when not using named sections on targets with named sections
10302         if branch distance is less than 262132.
10303
10304 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
10305
10306         * combine.c (combine_instructions):  Recompute
10307         optimize_this_for_speed_p  for each BB in the main combine loop.
10308
10309 2009-01-12  Tomas Bily  <tbily@suse.cz>
10310
10311         PR middlend/38385
10312         * tree-loop-distribution.c (prop_phis): New function.
10313         (generate_builtin): Call prop_phis.
10314         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
10315
10316 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
10317
10318         PR tree-optimization/38807
10319         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
10320         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
10321
10322 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
10323
10324         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
10325         subreg of op0 to the original op0.
10326
10327 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
10328
10329         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
10330
10331 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
10332
10333         PR debug/7055
10334         * mips-tfile.c (parse_def): Fix parsing of def strings
10335         starting with digits.
10336
10337 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
10338
10339         PR target/38695
10340         * config/arm/arm.c (arm_is_long_call_p): Don't call
10341         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
10342
10343 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
10344
10345         * regrename.c (regrename_optimize): Fix dumping.
10346         (find_oldest_value_reg): Preserve REG_POINTER.
10347         (copy_hardreg_forward_1): Likewise.
10348
10349 2009-01-09  Diego Novillo  <dnovillo@google.com>
10350
10351         * gimple.h (struct gimple_statement_base) <uid>: Document
10352         the restrictions on its use.
10353         (gimple_uid): Tidy.
10354         (gimple_set_uid): Tidy.
10355
10356 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
10357
10358         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
10359         zero guard even if align_bytes != 0 and count is smaller than
10360         size_needed.
10361
10362 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
10363
10364         PR rtl-optimization/38495
10365         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
10366         (add_range_and_copies_from_move_list): Print all added ranges.
10367         Add ranges to memory optimized destination.
10368
10369 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
10370
10371         PR target/38686
10372         PR target/38708
10373         * config/i386/i386.c (override_options): Reject
10374         -mstringop-strategy=rep_8byte with -m32.
10375         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
10376         to 1.  Do count comparison against epilogue_size_needed at compile
10377         time even when count_exp was constant forced into register.  For
10378         size_needed don't jump to epilogue, instead just avoid aligning
10379         and invoke the body algorithm.  If need_zero_guard, add zero guard
10380         even if count is non-zero, but smaller than size_needed + number of
10381         bytes that could be stored for alignment.
10382         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
10383         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
10384         but smaller than size_needed + number of bytes that could be stored
10385         for alignment.  Compare size_needed with epilogue_size_needed instead
10386         of desired_align - align, don't adjust size_needed, pass
10387         epilogue_size_needed to the epilogue expanders.
10388
10389         PR c/35742
10390         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
10391
10392 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10393
10394         * pa.c (last_address): Change to unsigned.
10395         (update_total_code_bytes): Change argument to unsigned.  Don't
10396         check if insn addresses are set.
10397         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
10398         addresses are not set.
10399         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
10400
10401 2009-01-09  Nick Clifton  <nickc@redhat.com>
10402
10403         * config/sh/symbian.c: Replace uses of DECL_INLINE with
10404         DECL_DECLARED_INLINE_P.
10405
10406 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
10407
10408         PR middle-end/38347
10409         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
10410         GET_MODE (op0) in operand_subword_force calls.
10411
10412         PR middle-end/38771
10413         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
10414         fold_convert arg0 operands to TREE_TYPE (op0) first.
10415
10416 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
10417
10418         * params.def (ira-max-conflict-table-size): Decrease default value
10419         to 1000.
10420
10421 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
10422
10423         PR tree-optimization/37031
10424         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
10425         on parameter_set.
10426         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
10427         allocate it using gc instead of heap, use VEC_quick_push instead of
10428         VEC_safe_push.
10429         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
10430         instead of heap, use VEC_quick_push instead of VEC_safe_push.
10431         * tree-data-ref.h (struct access_matrix): Change matrix to gc
10432         allocated vector from heap allocated.
10433         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
10434         * tree-loop-linear.c (linear_transform_loops): Allocate nest
10435         vector only after perfect_loop_nest_depth call.
10436
10437 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
10438             Jan Sjodin  <jan.sjodin@amd.com>
10439
10440         PR tree-optimization/38559
10441         * graphite.c (debug_value, copy_constraint,
10442         swap_constraint_variables, scale_constraint_variable, ): New.
10443         (get_lower_bound, get_upper_bound): Removed.
10444         (graphite_trans_bb_strip_mine): Clean up this code that works
10445         only for constant number of iterations.  Fully copy upper and
10446         lower bound constraints, not only the constant part of them.
10447         * graphite.h (debug_value): Declared.
10448
10449 2009-01-08  Ira Rosen  <irar@il.ibm.com>
10450
10451         PR tree-optimization/37194
10452         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
10453         Don't add the cost of cost model guard in prologue to scalar
10454         outside cost in case of known number of iterations.
10455
10456 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
10457             Alan Modra  <amodra@bigpond.net.au>
10458
10459         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
10460         non-word-aligned REG+CONST addressing.
10461
10462 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
10463
10464         PR target/38706
10465         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
10466         free_after_compilation when outputting a thunk.
10467         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
10468         Do not call free_after_compilation here.
10469
10470 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
10471
10472         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
10473         (ix86_valid_target_attribute_inner_p): Ditto.
10474
10475 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
10476
10477         PR tree-optimization/38492
10478         PR tree-optimization/38498
10479         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
10480         * tree-chrec.h (scev_is_linear_expression): Declared.
10481         * graphite.c (graphite_cannot_represent_loop_niter): New.
10482         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
10483         (graphite_loop_normal_form): Use gcc_assert.
10484         (scan_tree_for_params): Use CASE_CONVERT.
10485         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
10486         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
10487         Use gcc_assert.  Discard scops that contain unhandled cases.
10488         (build_scop_conditions): Return a boolean status for unhandled cases.
10489         (strip_mine_profitable_p): Print the loop number, not its depth.
10490         (is_interchange_valid): Pass the depth of the loop nest, don't
10491         recompute it wrongly.
10492         (graphite_trans_bb_block): Same.
10493         (graphite_trans_bb_block): Print tentative of loop blocking.
10494         (graphite_trans_scop_block): Do not print that the loop has been
10495         blocked.
10496         (graphite_transform_loops): Do not handle scops that contain condition
10497         scalar phi nodes.
10498
10499 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
10500
10501         AVX Programming Reference (December, 2008)
10502         * config/i386/avxintrin.h (_mm256_stream_si256): New.
10503         (_mm256_stream_pd): Likewise.
10504         (_mm256_stream_ps): Likewise.
10505
10506         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
10507         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
10508         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
10509         (bdesc_special_args): Add __builtin_ia32_movntdq256,
10510         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
10511         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
10512         (ix86_expand_special_args_builtin): Likewise.
10513
10514         * config/i386/sse.md (AVXMODEDI): New.
10515         (avx_movnt<mode>): Likewise.
10516         (avx_movnt<mode>): Likewise.
10517         (<sse>_movnt<mode>): Remove AVX support.
10518         (sse2_movntv2di): Likewise.
10519
10520 2009-01-07  Richard Guenther  <rguenther@suse.de>
10521
10522         PR middle-end/38751
10523         * fold-const.c (extract_muldiv): Remove obsolete comment.
10524         (fold_plusminus_mult_expr): Undo MINUS_EXPR
10525         to PLUS_EXPR canonicalization for the canonicalization.
10526
10527 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
10528
10529         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
10530         hosted cross-compilers generating less efficient code.
10531
10532 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
10533
10534         * function.h (rtl_data): Add a dbr_scheduled_p field.
10535         * reorg.c (dbr_schedule): Set it.
10536         (gate_handle_delay_slots): Check it.
10537         * config/mips/mips.c (mips_base_delayed_branch): Delete.
10538         (mips_reorg): Check flag_delayed_branch instead of
10539         mips_base_delayed_branch.
10540         (mips_override_options): Don't set mips_base_delayed_branch
10541         or flag_delayed_branch.
10542
10543 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
10544
10545         PR rtl-optimization/38426.
10546         * ira.c (ira): Set current_function_is_leaf earlier.
10547
10548 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
10549
10550         PR rtl-optimization/38722
10551         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
10552         too early, only set a flag and modify after last possible
10553         undo_all point.
10554
10555 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
10556
10557         PR c/34252
10558         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
10559         * real.c (decimal_single_format): Correct values of emin and emax.
10560         (decimal_double_format): Ditto.
10561         (decimal_quad_format): Ditto.
10562         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
10563         computation of DECnn_MIN and DECnn_MAX for corrected values of
10564         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
10565         __DECnn_MIN__, and adjust its computation for the corrected value
10566         of emin.
10567
10568 2009-01-06  Jan Hubicka  <jh@suse.cz>
10569
10570         PR target/38744
10571         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
10572
10573 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
10574
10575         * doc/contrib.texi (Contributors): Slightly adjust the end note.
10576         Add Robert Clark to the list of testers.
10577
10578 2009-01-06  Jan Hubicka  <jh@suse.cz>
10579             Kai Tietz  <kai.tietz@onevision.com>
10580
10581         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
10582         * config/i386/i386.c (ix86_expand_call): Add clobbers.
10583
10584 2009-01-06  Jan Hubicka  <jh@suse.cz>
10585             Kai Tietz  <kai.tietz@onevision.com>
10586
10587         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
10588         for w64 ABI.
10589         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
10590         (ix86_nsaved_regs): Count only general purpose regs.
10591         (ix86_nsaved_sseregs): New.
10592         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
10593         to 16 for w64; compute padding and size of sse reg save area.
10594         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
10595         general purpose regs.
10596         (ix86_emit_save_sse_regs_using_mov): New.
10597         (ix86_expand_prologue): Save SSE regs if needed.
10598         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
10599         (ix86_emit_restore_sse_regs_using_mov): New.
10600         (ix86_expand_epilogue): Save SSE regs if needed.
10601
10602 2009-01-06  Jan Hubicka  <jh@suse.cz>
10603             Kai Tietz  <kai.tietz@onevision.com>
10604
10605         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
10606         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
10607         functions when accumulate outgoing args is off.
10608
10609 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
10610
10611         PR bootstrap/38742
10612         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
10613         before using pseudos_have_intersected_live_ranges_p.
10614
10615         * ira-int.h (ira_assert): Always define.
10616
10617 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
10618
10619         AVX Programming Reference (December, 2008)
10620         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
10621         (_mm256_permute2_pd): Likewise.
10622         (_mm_permute2_ps): Likewise.
10623         (_mm256_permute2_ps): Likewise.
10624         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
10625         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
10626
10627         * config/i386/i386.c (ix86_builtins): Remove
10628         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
10629         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
10630         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
10631         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
10632         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
10633         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
10634         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
10635         __builtin_ia32_vpermil2ps256.
10636         (ix86_init_mmx_sse_builtins): Updated.
10637         (ix86_expand_args_builtin): Likewise.
10638
10639 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10640
10641         * pa.c (output_call): Relocate non-jump insns in the delay slot of
10642         long absolute calls when generating PA 2.0 code.
10643
10644 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
10645
10646         PR rtl-optimization/38583
10647         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
10648
10649         * params.def (ira-max-conflict-table-size): New.
10650
10651         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
10652
10653         * ira.h (ira_conflicts_p): New external definition.
10654
10655         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
10656         table.  Report this.  Return result of building.
10657         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
10658         building conflict table.
10659
10660         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
10661         (ira_color): Use ira_conflicts_p.
10662
10663         * global.c: Include ira.h.
10664         (pseudo_for_reload_consideration_p, build_insn_chain): Use
10665         ira_conflicts_p.
10666
10667         * Makefile.in (global.o): Add ira.h.
10668
10669         * ira-build.c (mark_all_loops_for_removal,
10670         propagate_some_info_from_allocno): New.
10671         (remove_unnecessary_allocnos): Call
10672         propagate_some_info_from_allocno.
10673         (remove_low_level_allocnos): New.
10674         (remove_unnecessary_regions): Add parameter.  Call
10675         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
10676         parameter to remove_unnecessary_regions.
10677         (ira_build): Remove all regions but root if the conflict table was
10678         not built.  Update conflict hard regs for allocnos crossing calls.
10679
10680         * ira.c (ira_conflicts_p): New global.
10681         (ira): Define and use ira_conflicts_p.
10682
10683         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
10684         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
10685         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
10686
10687 2009-01-06  Ben Elliston  <bje@au.ibm.com>
10688
10689         * gengtype-lex.l (YY_NO_INPUT): Define.
10690
10691 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10692
10693         PR c/34911
10694         * c-common.c (handle_vector_size_attribute): Also reject
10695         BOOLEAN_TYPE types.
10696
10697 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
10698
10699         PR tree-optimization/38492
10700         * graphite.c (rename_map_elt, debug_rename_elt,
10701         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
10702         rename_map_elt_info, eq_rename_map_elts,
10703         get_new_name_from_old_name, bb_in_sese_p): Moved around.
10704         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
10705         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
10706         (sese_build_livein_liveouts): New.
10707         (new_sese, free_sese): New.
10708         (new_scop): Call new_sese.
10709         (free_scop): Call free_sese.
10710         (rename_variables_from_edge, rename_phis_end_scop): Removed.
10711         (register_old_new_names): Renamed register_old_and_new_names.
10712         (register_scop_liveout_renames, add_loop_exit_phis,
10713         insert_loop_close_phis, struct igp,
10714         default_liveout_before_guard, add_guard_exit_phis,
10715         insert_guard_phis, copy_renames): New.
10716         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
10717         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
10718         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
10719         (scop_adjust_phis_for_liveouts): New.
10720         (gloog): Call scop_adjust_phis_for_liveouts.
10721
10722         * graphite.h (struct sese): Documented.  Added fields liveout,
10723         num_ver and livein.
10724         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
10725         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
10726         (struct scop): Added field liveout_renames.
10727         (SCOP_LIVEOUT_RENAMES): New.
10728
10729 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10730
10731         PR tree-optimization/38510
10732         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
10733         (translate_clast): Call recompute_all_dominators before
10734         graphite_verify.
10735         (gloog): Call recompute_all_dominators before graphite_verify.
10736
10737 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10738             Jan Sjodin  <jan.sjodin@amd.com>
10739
10740         PR tree-optimization/38500
10741         * graphite.c (create_sese_edges): Call fix_loop_structure after
10742         splitting blocks.
10743
10744 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
10745
10746         * config.gcc: Add m32r*-*-rtems*.
10747         * config/m32r/rtems.h: New file.
10748
10749 2009-01-05  Ben Elliston  <bje@au.ibm.com>
10750
10751         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
10752         (.po.pox): Likewise.
10753         (po/gcc.pot): Likewise.
10754
10755 2009-01-04  David S. Miller  <davem@davemloft.net>
10756
10757         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
10758         (STARTING_FRAME_OFFSET): Always set to zero.
10759
10760 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
10761
10762         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
10763         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
10764         fixed-point types, and vectors of the same.
10765
10766 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
10767
10768         * config/mips/sync.md (*mb_barrier): Rename to...
10769         (*memory_barrier): ...this.
10770
10771 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
10772
10773         * doc/extend.texi (Function Attributes): Move @cindex after @item
10774         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
10775         and put in alphabetical order. Fix 'target' name and put in order.
10776         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
10777         typos.
10778
10779 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
10780
10781         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
10782         (memory_barrier): Expand as unspec instead of unspec_volatile.
10783         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10784         (*memory_barrier): Define as unspec instead of unspec_volatile.
10785         Use (match_dup 0) as input operand.
10786
10787         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
10788         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
10789         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
10790         scratch register.  Remove operand 1.
10791         (*stbar): Define as unspec instead of unspec_volatile.
10792         Use (match_dup 0) as input operand, remove (const_int 8).
10793         (*membar): Define as unspec instead of unspec_volatile.
10794         Use (match_dup 0) as input operand, remove input operand 2.
10795
10796         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
10797         (memory_barrier): Expand as unspec instead of unspec_volatile.
10798         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10799         (*memory_barrier): Define as unspec instead of unspec_volatile.
10800         Use (match_dup 0) as input operand.
10801
10802         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
10803         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10804         Set volatile flag on operand 0.
10805         (*memory_barrier): New insn pattern.
10806
10807         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
10808         insn operands.
10809         (*memory_barrier): Use (match_dup 0) as input operand.
10810
10811         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
10812         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10813         Set volatile flag on operand 0.
10814         (*mb_internal): New insn pattern.
10815
10816         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
10817
10818 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
10819
10820         PR middle-end/38586
10821         * function.c (struct temp_slot): Move to the section of the file
10822         that deals with temp slots.  Remove field 'address'.
10823         (temp_slot_address_table): New hash table of address -> temp slot.
10824         (struct temp_slot_address_entry): New struct, items for the table.
10825         (temp_slot_address_compute_hash, temp_slot_address_hash,
10826         temp_slot_address_eq, insert_temp_slot_address): Support functions
10827         for the new table.
10828         (find_temp_slot_from_address): Rewrite to use the new hash table.
10829         (remove_unused_temp_slot_addresses): Remove addresses of temp
10830         slots that have been made available.
10831         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
10832         worker function for remove_unused_temp_slot_addresses.
10833         (assign_stack_temp_for_type): Don't clear the temp slot address list.
10834         Add the temp slot address to the address -> temp slot map.
10835         (update_temp_slot_address): Update via insert_temp_slot_address.
10836         (free_temp_slots): Call remove_unused_temp_slot_addresses.
10837         (pop_temp_slots): Likewise.
10838         (init_temp_slots): Allocate the address -> temp slot map, or empty
10839         the map if it is already allocated.
10840         (prepare_function_start): Initialize temp slot processing.
10841
10842 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
10843
10844         PR middle-end/38584
10845         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
10846         Calculate the size of all stack vars assuming no packing of stack
10847         vars will happen, replacing a quadratic algorithm with a linear one.
10848
10849 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
10850
10851         PR target/38707
10852         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
10853         can't be used.
10854
10855 2009-01-03  Diego Novillo  <dnovillo@google.com>
10856
10857         * doc/contrib.texi: Update contributions.
10858
10859 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
10860
10861         PR c++/38705
10862         * builtins.c (fold_builtin_memory_op): Give up if either operand
10863         is volatile.  Set srctype or desttype to non-qualified version
10864         of the other type.
10865
10866         PR c/38700
10867         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
10868         and FUNCTION_DECLs.
10869
10870 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
10871
10872         PR rtl-optimization/35805
10873         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
10874         problem if fast dce is able to remove any instructions.
10875         * dce.c (dce_process_block): Fix dump message.
10876
10877 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
10878
10879         PR 33649
10880         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
10881
10882 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
10883
10884         PR middle-end/38690
10885         * tree-flow.h (op_code_prio, op_prio): New prototypes.
10886         * tree-pretty-print.c (op_code_prio): New function.
10887         (op_prio): No longer static.  Use op_code_prio.
10888         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
10889         Use op_prio and op_code_prio to determine if () should be
10890         printed around operand(s) or not.
10891
10892         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
10893         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
10894         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
10895         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
10896         pp_character instead of pp_string for single letter printing.
10897
10898 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
10899
10900         * doc/extend.texi: Fix '#pragma GCC option' typo.
10901
10902 2009-01-02  Richard Guenther  <rguenther@suse.de>
10903
10904         * doc/install.texi (--enable-checking): Mention different
10905         default for stage1.
10906         (--enable-stage1-checking): Document.
10907
10908 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
10909
10910         PR middle-end/30142
10911         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
10912         case to be an error.
10913
10914 2009-01-02  Ben Elliston  <bje@au.ibm.com>
10915
10916         * config/fp-bit.h (pack_d): Constify argument.
10917         * config/fp-bit.c (makenan): Constify return type. Remove casts.
10918         (isnan): Constify argument.
10919         (isinf): Likewise.
10920         (iszero): Likewise.
10921         (pack_d): Likewise.
10922         (_fpadd_parts): Constify return type.
10923         (_fpmul_parts): Likewise.
10924         (_fpdiv_parts): Likewise.
10925
10926 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
10927
10928         PR c/36489
10929         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
10930         warn about overwriting initializer with side-effects or
10931         -Woverride-init if !IMPLICIT.
10932         (output_init_element): Likewise.  Pass IMPLICIT down to
10933         add_pending_init.
10934         (process_init_element): Add IMPLICIT argument.  Pass it down
10935         to output_init_element.
10936         (push_init_element, pop_init_level, set_designator): Adjust
10937         process_init_element callers.
10938         (set_nonincremental_init, set_nonincremental_init_from_string):
10939         Adjust add_pending_init callers.
10940         (output_pending_init_elements): Adjust output_init_element callers.
10941         * c-tree.h (process_init_element): Adjust prototype.
10942         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
10943         process_init_element callers.
10944
10945 \f
10946 Copyright (C) 2009 Free Software Foundation, Inc.
10947
10948 Copying and distribution of this file, with or without modification,
10949 are permitted in any medium without royalty provided the copyright
10950 notice and this notice are preserved.