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1 2009-05-10  Ian Lance Taylor  <iant@google.com>
2
3         * basic-block.h (enum profile_status): Break out of struct
4         control_flow_graph.
5         * cgraph.h (struct inline_summary): Break out of struct
6         cgraph_local_info.
7         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
8         of struct cgraph_order_sort.
9         * combine.c (enum undo_kind): New enum, broken out of struct
10         undo.
11         * cse.c (struct branch_path): Break out of struct
12         cse_basic_block_data.
13         * except.h (enum eh_region_type): Break out of struct eh_region.
14         * gcc.c (enum add_del): Break out of struct modify_target.
15         * genrecog.c (enum decision_type): Break out of struct
16         decision_test.
17         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
18         ggc_pch_data.
19         * matrix-reorg.c (struct free_info): Break out of struct
20         matrix_info.
21         * regmove.c (enum match_use): New enum, broken out of struct
22         match.
23         * sched-int.h (enum post_call_group): New enum, broken out of
24         struct deps.
25         (struct deps_reg): Break out of struct deps.
26         * target.h (struct asm_int_op): Break out of struct gcc_target.
27         * tree-eh.c (struct goto_queue_node): Break out of struct
28         leh_tf_state.
29         * tree-inline.h (enum copy_body_cge_which): Break out of
30         copy_body_data.
31         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
32
33         * c-decl.c (in_struct, struct_types): New static variables.
34         (pushtag): Add loc parameter.  Change all callers.
35         (lookup_tag): Add ploc parameter.  Change all callers.
36         (check_compound_literal_type): New function.
37         (parser_xref_tag): Add loc parameter.  Change all callers.  If
38         -Wc++-compat, warn about struct/union/enum types defined within a
39         struct or union.
40         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
41         and loc parameters.  Change all callers.  Change error calls to
42         error_at, using loc.  For a redefinition, if the location of the
43         original definition is known, report it.  Set in_struct and
44         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or
45         alignof.
46         (finish_struct): Add new parameters enclosing_in_struct and
47         enclosing_struct_types.  Change all callers.  Set
48         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
49         in the struct.  If in a struct, add this struct to struct_types.
50         (start_enum): Add loc parameter.  Change all callers.  Use
51         error_at for errors, using loc.  For a redefinition, if the
52         location of the original definition is known, report it.  If in a
53         struct, add this enum type to struct_types.  If -Wc++-compat warn
54         if in sizeof, typeof, or alignof.
55         * c-parser.c (disable_extension_diagnostics): Disable
56         -Wc++-compat.
57         (enable_extension_diagnostics): Reenable -Wc++-compat if
58         appropriate.
59         (c_parser_enum_specifier): Get enum location for start_enum.
60         (c_parser_struct_or_union_specifier): Get struct location for
61         start_struct.  Save in_struct and struct_types status between
62         start_struct and finish_struct.
63         (c_parser_cast_expression): Get location of cast.
64         (c_parser_alignof_expression): Get location of type.
65         (c_parser_postfix_expression): Likewise.
66         (c_parser_postfix_expression_after_paren_type): Add type_loc
67         parameter.  Change all callers.  Call
68         check_compound_literal_type.  Use type_loc for error about
69         variable size type.
70         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a
71         use of an enum constant from an enum type defined in a struct or
72         union.
73         (c_cast_expr): Add loc parameter.  Change all callers.  If
74         -Wc++-compat, warn about defining a type in a cast.
75         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
76         (start_enum, start_struct, finish_struct): Update declarations.
77         (parser_xref_tag, c_cast_expr): Update declarations.
78         (check_compound_literal_type): Declare.
79
80 2009-05-11  Ben Elliston  <bje@au.ibm.com>
81
82         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
83         for recent libcpp interface change.
84         (rs6000_macro_to_expand): Likewise.
85
86 2009-05-10  Michael Matz  <matz@suse.de>
87
88         PR target/40031
89         * config/arm/arm.c (require_pic_register): Emit on entry edge,
90         not at entry of function.
91
92 2009-05-10  Richard Guenther  <rguenther@suse.de>
93
94         PR tree-optimization/40081
95         Revert
96         * tree-sra.c (instantiate_element): Instantiate scalar replacements
97         using the main variant of the element type.  Do not fiddle with
98         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
99
100         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
101         structs with volatile fields.
102
103 2009-05-10  Jan Hubicka  <jh@suse.cz>
104
105         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
106         (estimate_move_cost): Assert that it does not get called for VOID_TYPE_P.
107         (estimate_num_insns): Skip VOID types in argument handling.
108         (optimize_inline_calls): Delete unreachable blocks and verify that
109         callgraph is valid.
110
111 2009-05-10  Jan Hubicka  <jh@suse.cz>
112
113         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
114         * cgraph.c (cgraph_mark_address_taken_node): New function.
115         (dump_cgraph_node): Dump new flag.
116         * cgraph.h (struct cgraph_node): Add address_taken.
117         (cgraph_mark_address_taken_node): New function.
118         * ipa.c (cgraph_postorder): Prioritize functions with address taken
119         since new direct calls can be born.
120
121 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
122
123         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
124         tok->val.node.node.
125
126 2009-05-10  Jan Hubicka  <jh@suse.cz>
127
128         PR middle-end/40084
129         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
130         argument; rewrite.
131         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
132         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
133         * tree-inline.c (copy_bb): Set frequency correctly.
134         (fold_marked_statements): Update call to
135         cgraph_update_edges_for_call_stmt.
136
137 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
138
139         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
140         identifiers in diagnostics.
141         * config/arm/arm.c (arm_handle_fndecl_attribute,
142         arm_handle_isr_attribute): Likewise.
143         * config/avr/avr.c (avr_handle_progmem_attribute,
144         avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
145         Likewise.
146         * config/bfin/bfin.c (handle_int_attribute,
147         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
148         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
149         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
150         Likewise.
151         * config/darwin.c (darwin_handle_kext_attribute,
152         darwin_handle_weak_import_attribute): Likewise.
153         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
154         h8300_handle_eightbit_data_attribute,
155         h8300_handle_tiny_data_attribute): Likewise.
156         * config/i386/i386.c (ix86_handle_cconv_attribute,
157         ix86_handle_abi_attribute, ix86_handle_struct_attribute):
158         Likewise.
159         * config/i386/winnt.c (ix86_handle_shared_attribute,
160         ix86_handle_selectany_attribute): Likewise.
161         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
162         * config/m32c/m32c.c (function_vector_handler): Likewise.
163         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
164         m68hc11_handle_fntype_attribute): Likewise.
165         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
166         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
167         * config/mips/mips.c (mips_insert_attributes,
168         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
169         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
170         rs6000_handle_struct_attribute): Likewise.
171         * config/sh/sh.c (sh_insert_attributes,
172         sh_handle_resbank_handler_attribute,
173         sh_handle_interrupt_handler_attribute,
174         sh2a_handle_function_vector_handler_attribute,
175         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
176         Likewise.
177         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
178         * config/spu/spu.c (spu_handle_fndecl_attribute,
179         spu_handle_vector_attribute): Likewise.
180         * config/stormy16/stormy16.c
181         (xstormy16_handle_interrupt_attribute): Likewise.
182         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
183         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
184
185 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
186
187         * pretty-print.h (struct pretty_print_info): Add
188         translate_identifiers.
189         (pp_translate_identifiers): New.
190         (pp_identifier): Only conditionally translate identifier to locale
191         character set.
192         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
193         (pp_base_tree_identifier): Only conditionally translate identifier
194         to locale character set.
195         * c-pretty-print.c (M_): Define.
196         (pp_c_type_specifier, pp_c_primary_expression): Mark English
197         fragments for conditional translation with M_.
198         * tree-pretty-print.c (maybe_init_pretty_print): Disable
199         identifier translation.
200
201 2009-05-10  Richard Guenther  <rguenther@suse.de>
202
203         PR tree-optimization/40081
204         * tree-sra.c (instantiate_element): Instantiate scalar replacements
205         using the main variant of the element type.  Do not fiddle with
206         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
207
208 2009-05-09  Jan Hubicka  <jh@suse.cz>
209
210         PR middle-end/40080
211         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
212         indirect calls; verify cgraph afterwards.
213
214 2009-05-09  Jan Hubicka  <jh@suse.cz>
215
216         PR bootstrap/40082
217         * ipa.c (update_inlined_to_pointer): New function.
218         (cgraph_remove_unreachable_nodes): Use it.
219
220 2009-05-09  Jan Hubicka  <jh@suse.cz>
221
222         * tree-eh.c (struct leh_state): Remove prev_try.
223         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
224         not track prev_try.
225         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
226         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
227         remove_eh_handler_and_replace, foreach_reachable_handler,
228         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
229         * except.h (struct eh_region): Remove eh_region_u_cleanup.
230         (gen_eh_region_cleanup): Update prototype.
231
232 2009-05-09  Jan Hubicka  <jh@suse.cz>
233
234         PR middle-end/40043
235         * except.c (copy_eh_region): Always set prev_try.
236         (redirect_eh_edge_to_label): Find outer try.
237         (foreach_reachable_handler): When looking for prev try
238         handle case where previous try is not going to be taken.
239
240 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
241
242         PR tree-optimization/40049
243         * tree-vect-stmts.c (vectorizable_operation): If the machine has
244         only vector/vector shifts, convert the type of the constant to the
245         appropriate type to avoid building incorrect trees, which
246         eventually have problems with garbage collection.
247
248 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
249
250         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
251         -1 for complex floating-point types if honoring signed zeros.
252
253 2009-05-08  Jan Hubicka  <jh@suse.cz>
254
255         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
256         argument; handle correctly when profile is absent.
257         (build_cgraph_edges): Update.
258         (rebuild_cgraph_edges): Update.
259         * cgraph.c: Do not include varray.h.
260         (cgraph_set_call_stmt_including_clones): New function.
261         (cgraph_create_edge_including_clones): Likewise
262         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
263         (cgraph_update_edges_for_call_stmt): Handle clones.
264         (cgraph_remove_node): Handle clone tree.
265         (cgraph_remove_node_and_inline_clones): New function.
266         (dump_cgraph_node): Dump clone tree.
267         (cgraph_clone_node): Handle clone tree.
268         (clone_function_name): Bring here from tree-inline.c.
269         (cgraph_create_virtual_clone): New function.
270         * cgraph.h (ipa_replace_map): Move here from ipa.h.
271         (cgraph_clone_info): New function.
272         (strut cgraph_node): Add clone_info and new clone tree pointers.
273         (cgraph_remove_node_and_inline_clones,
274         cgraph_set_call_stmt_including_clones,
275         cgraph_create_edge_including_clones,
276         cgraph_create_virtual_clone): Declare.
277         (cgraph_function_versioning): Use VEC argument.
278         (compute_call_stmt_bb_frequency): Update prototype.
279         (cgraph_materialize_all_clones): New function.
280         * ipa-cp.c (ipcp_update_cloned_node): Remove.
281         (ipcp_create_replace_map): Update to VECtors.
282         (ipcp_update_callgraph): Use virtual clones.
283         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
284         (ipcp_update_profiling): Do not update local profiling.
285         (ipcp_insert_stage): Use VECtors and virtual clones.
286         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
287         (clone_of_p): New function.
288         (cgraph_preserve_function_body_p): Use clone tree.
289         (cgraph_optimize): Materialize clones.
290         (cgraph_function_versioning): Update for VECtors.
291         (save_inline_function_body): Use clone tree.
292         (cgraph_materialize_clone): New function.
293         (cgraph_materialize_all_clones): Likewise.
294         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
295         * ipa.c: Include gimple.h.
296         (cgraph_remove_unreachable_nodes): Use clone tree.
297         * ipa-prop.c (ipa_note_param_call): Update call to
298         compute_call_stmt_bb_frequencycall.
299         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
300         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
301         (copy_bb): Handle updating of clone tree; add new edge when new call
302         appears.
303         (expand_call_inline): Be strict about every call having edge.
304         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
305         (delete_unreachable_blocks_update_callgraph): New function.
306         (tree_function_versioning): Use VECtors; always remove unreachable
307         blocks and fold conditionals.
308         * tree-inline.h: Do not include varray.h.
309         (tree_function_versioning): Remove.
310         * Makefile.in (GTFILES): Remove tree-inline.c
311         * passes.c (do_per_function): Do only functions having body.
312         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
313         tree.
314
315 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
316             Andrew Morrow  <acm@google.com>
317
318         PR c/36892
319         * c-common.c (c_common_attribute_table): Permit deprecated
320         attribute to take an optional argument.
321         (handle_deprecated_attribute): If the optional argument to
322         __attribute__((deprecated)) is not a string ignore the attribute
323         and emit a warning.
324
325         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
326         * c-typeck.c (build_component_ref): Likewise.
327         (build_external_ref): Likewise.
328
329         * toplev.c (warn_deprecated_use): Add an attribute argument.
330         Emit the message associated with __attribute__((deprecated)).
331
332         * toplev.h (warn_deprecated_use): Updated.
333
334         * doc/extend.texi: Document new optional parameter to
335         __attribute__((deprecated))
336
337 2009-05-08  Michael Eager <eager@eagercon.com>
338
339         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
340         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
341
342 2009-05-08  Richard Guenther  <rguenther@suse.de>
343
344         PR tree-optimization/40062
345         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
346         Avoid exponential behavior.
347
348 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
349
350         PR rtl-optimization/33928
351         PR 26854
352         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
353         process_uses, build_single_def_use_links): New.
354         (update_df): Update use_def_ref.
355         (forward_propagate_into): Use get_def_for_use instead of use-def
356         chains.
357         (fwprop_init): Call build_single_def_use_links and let it initialize
358         dataflow.
359         (fwprop_done): Free use_def_ref.
360         (fwprop_addr): Eliminate duplicate call to df_set_flags.
361         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
362         df_rd_simulate_one_insn): New.
363         (df_rd_bb_local_compute_process_def): Update head comment.
364         (df_chain_create_bb): Use the new RD simulation functions.
365         * df.h (df_rd_simulate_artificial_defs_at_top, 
366         df_rd_simulate_one_insn): New.
367         * opts.c (decode_options): Enable fwprop at -O1.
368         * doc/invoke.texi (-fforward-propagate): Document this.
369
370 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
371
372         PR c/24581
373         * c-typeck.c (build_binary_op): Handle arithmetic between one real
374         and one complex operand specially.
375         * tree-complex.c (some_nonzerop): Do not identify a real value as
376         zero if flag_signed_zeros.
377
378 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
379
380         PR rtl-optimization/33928
381         * loop-invariant.c (record_use): Fix && vs. || mishap.
382
383 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
384
385         PR rtl-optimization/33928
386         * loop-invariant.c (struct use): Add addr_use_p.
387         (struct def): Add n_addr_uses.
388         (struct invariant): Add cheap_address.
389         (create_new_invariant): Set cheap_address.
390         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
391         (record_uses): Pass df_ref to record_use.
392         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
393         used only as such.
394
395 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
396
397         * config/sh/sh.c: Do not include c-pragma.h.
398
399 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
400
401         * config/spu/spu.c: Remove include of c-common.h.
402
403 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
404
405         PR c/39037
406         * c-common.h (mark_valid_location_for_stdc_pragma,
407         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
408         clear_float_const_decimal64, float_const_decimal64_p): New.
409         * c.opt (Wunsuffixed-float-constants): New.
410         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
411         unsuffixed float constant, handle new warning.
412         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
413         * c-decl.c (c_scope): New flag float_const_decimal64.
414         (set_float_const_decimal64, clear_float_const_decimal64,
415         float_const_decimal64_p): New.
416         (push_scope): Set new flag.
417         * c-parser.c (c_parser_translation_unit): Mark when it's valid
418         to use STDC pragmas.
419         (c_parser_external_declaration): Ditto.
420         (c_parser_compound_statement_nostart): Ditto.
421         * c-pragma.c (valid_location_for_stdc_pragma,
422         mark_valid_location_for_stdc_pragma,
423         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
424         handle_pragma_float_const_decimal64): New.
425         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
426         * cp/semantics.c (valid_location_for_stdc_pragma_p,
427         set_float_const_decimal64, clear_float_const_decimal64,
428         float_const_decimal64_p): New dummy functions.
429         * doc/extend.texi (Decimal Float): Remove statement that the
430         pragma, and suffix for double constants, are not supported.
431         * doc/invoke.texi (Warning Options): List new option.
432         (-Wunsuffixed-float-constants): New.
433
434 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
435
436         * config/i386/i386.c: Do not include c-common.h.
437
438 2009-05-07  Mark Heffernan  <meheff@google.com>
439
440         * doc/invoke.texi (Debugging Options): Document change of debugging
441         dump location.
442         * opts.c (decode_options): Make dump_base_name relative to
443         aux_base_name directory.
444
445 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
446
447         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
448         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
449
450 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
451
452         * Makefile.in (install-plugin): Simplify a bit.
453
454 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
455
456         * Makefile.in (OBJS-common): Add regcprop.o.
457         (regcprop.o): New.
458         * timevar.def (TV_CPROP_REGISTERS): New.
459         * regrename.c (regrename_optimize): Return 0.
460         (rest_of_handle_regrename): Delete.
461         (pass_rename_registers): Point to regrename_optimize.
462         (struct value_data_entry, struct value_data, 
463         kill_value_one_regno, kill_value_regno, kill_value,
464         set_value_regno, init_value_data, kill_clobbered_value,
465         kill_set_value, kill_autoinc_value, copy_value,
466         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
467         replace_oldest_value_reg, replace_oldest_value_addr,
468         replace_oldest_value_mem, copyprop_hardreg_forward_1,
469         debug_value_data, validate_value_data): Move...
470         * regcprop.c: ... here.
471         (rest_of_handle_cprop): Delete.
472         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
473
474 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
475
476         PR middle-end/40057
477         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
478         GEN_INT for 1 << bitnum.
479         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
480         build_int_cst_type.
481
482 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
483
484         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
485         Remove wrong description of "nand" operation.
486
487 2009-05-06  Richard Guenther  <rguenther@suse.de>
488             Adam Nemet  <anemet@caviumnetworks.com>
489
490         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
491         comment.  Add that if LHS is not a gimple register, then RHS1 has
492         to be a single object (GIMPLE_SINGLE_RHS).
493
494 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
495
496         * expr.c (get_def_for_expr): Move it up in the file.
497         (store_field): When expanding a bit-field store, look at the
498         defining gimple stmt for the masking conversion.
499
500 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
501
502         PR middle-end/39986
503         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
504         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
505         32-bit memcpy into long.
506
507 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
508
509         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
510         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
511         new_reg_loc_descr.
512         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
513         instead of appending DW_OP_deref*.
514
515 2009-05-06  Michael Matz  <matz@suse.de>
516
517         PR middle-end/40021
518         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
519         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
520
521 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
522
523         * Makefile.in (install-plugin): Fix srcdir handling.
524
525 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
526
527         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
528         when processing for not_regs_needed bitmap.
529         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
530         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
531         handling it for rhs. 
532
533 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
534
535         * config/i386/i386.md (unnamed inc/dec peephole): Use
536         optimize_insn_for_size_p instead of optimize_size.
537         * config/i386/predicates.md (incdec_operand): Likewise.
538         (aligned_operand): Likewise.
539         * config/i386/sse.md (divv8sf3): Likewise.
540         (sqrtv8sf2): Likewise.
541
542 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
543
544         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
545
546         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
547
548 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
549
550         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
551         ssemodesuffixf2c with avxmodesuffixf2c.
552
553 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
554
555         PR c/40032
556         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
557
558 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
559
560         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
561         (struct tree_base): Adjust spacing for 8 bit boundaries.
562         (struct tree_decl_common): Add decl_by_reference_flag bit.
563         (DECL_BY_REFERENCE): Adjust.
564         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
565         print DECL_BY_REFERENCE bit.
566         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
567         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
568         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
569         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
570         unconditionally.
571
572         PR middle-end/39666
573         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
574         range of the type, but default label is missing, add it with one
575         of the existing labels instead of adding a new label for it.
576
577 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
578
579         * dwarf.h: Remove.
580
581 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
582
583         * Makefile.in (enable_plugin, plugin_includedir): New.
584         (install): Depend on install-plugin.
585         (PLUGIN_HEADERS): New.
586         (install-plugin): New.
587         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
588
589 2009-05-05  Richard Guenther  <rguenther@suse.de>
590
591         PR tree-optimization/40022
592         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
593         the only vuse.
594         (phivn_valid_p): Fix tuplification error, simplify.
595         (phiprop_insert_phi): Add dumps.
596         (propagate_with_phi): Simplify.
597
598 2009-05-05  Richard Guenther  <rguenther@suse.de>
599
600         PR middle-end/40023
601         * builtins.c (gimplify_va_arg_expr): Properly build the address.
602
603 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
604
605         * tree.h (strip_float_extensions): Remove duplicate declaration.
606         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
607         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
608         block_ultimate_origin): Rearrange the declarations line to match the
609         comment that indicates the .c file which the functions are defined.
610         (dwarf2out_*, set_decl_rtl): Add comment.
611         (get_base_address): Adjust comment.
612         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
613         declarations line and add comment.
614         (is_builtin_name): Add blank after function name, for clarity.
615
616 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
617
618         * attribs.c (decl_attributes): Use %qE for identifiers in
619         diagnostics.
620         * cgraphunit.c (verify_cgraph_node): Translate function names to
621         locale character set in diagnostics.
622         * coverage.c (get_coverage_counts): Use %qE for identifiers in
623         diagnostics.
624         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
625         Document that functions are named in UTF-8.
626         * expr.c (expand_expr_real_1): Translate function names to locale
627         character set in diagnostics.
628         * gimplify.c (omp_notice_variable, omp_is_private,
629         gimplify_scan_omp_clauses): Use %qE for identifiers in
630         diagnostics.
631         * langhooks.c (lhd_print_error_function): Translate function names
632         to locale character set.
633         * langhooks.h (decl_printable_name): Document that return value is
634         in internal character set.
635         * stmt.c: Include pretty-print.h
636         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
637         diagnostics.
638         (resolve_operand_name_1): Translate named operand name to locale
639         character set.
640         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
641         diagnostics.
642         * toplev.c (announce_function): Translate function names to locale
643         character set.
644         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
645         (default_tree_printer): Use pp_identifier or translate identifiers
646         to locale character set.  Mark "<anonymous>" for translation.
647         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
648         for identifiers in diagnostics.
649         * tree.c (handle_dll_attribute): Use %qE for identifiers in
650         diagnostics.
651         * varasm.c (output_constructor): Use %qE for identifiers in
652         diagnostics.
653
654 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
655
656         * configure.ac: use ` ` instead of $()
657         * configure: Regenerate.
658
659 2009-05-05  Ben Elliston  <bje@au.ibm.com>
660
661         * config/pa/linux-atomic.c: Eliminate conditional include of
662         errno.h on non-LP64 systems to simplify build requirements.
663
664 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
665
666         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
667         diagnostics.
668         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
669         and pass value to identifier_to_locale.
670         (warn_variable_length_array): Make name a tree.
671         (grokdeclarator): Separate diagnostic texts for named and unnamed
672         declarators.  Use %qE for named declarators.
673         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
674         diagnostics.
675         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
676         identifiers in diagnostics.
677         * c-typeck.c (push_member_name, start_init): Pass identifiers to
678         identifier_to_locale.  Mark "anonymous" strings for translation.
679
680 2009-05-04  Michael Eager <eager@eagercon.com>
681
682         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
683         address for DImode/DFmode only if double-precision FP regs.
684
685 2009-05-04  Michael Eager <eager@eagercon.com>
686
687         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
688         TARGET_SINGLE_FLOAT check.
689
690 2009-05-04  Michael Eager <eager@eagercon.com>
691
692         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
693
694 2009-05-04  Michael Eager <eager@eagercon.com>
695
696         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
697         * config/rs6000/t-xilinx: New
698
699 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
700
701         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
702         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
703         * gcc/explow.c (memory_address): Use target hook.
704         * gcc/targhooks.c (default_legitimize_address): New.
705         * gcc/targhooks.h (default_legitimize_address): New.
706         * gcc/target.h (legitimize_address): New.
707         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
708         (TARGET_INITIALIZER): Include it.
709         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
710
711         * config/bfin/bfin-protos.h (legitimize_address): Remove.
712         * config/bfin/bfin.c (legitimize_address): Remove.
713         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
714         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
715         Remove.
716         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
717         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
718
719         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
720         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
721         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
722         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
723         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
724         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
725         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
726         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
727         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
728         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
729         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
730         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
731         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
732         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
733         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
734         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
735         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
736         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
737         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
738         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
739         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
740         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
741         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
742
743         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
744         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
745         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
746         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
747         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
748         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
749         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
750         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
751         (thumb_legitimize_address): Delete.
752         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
753         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
754         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
755         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
756         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
757         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
758         Delete.
759         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
760         Delete.
761
762         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
763         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
764         * config/m32r/m32r.c (m32r_legitimize_address): New.
765         * config/m68k/m68k.c (m68k_legitimize_address): New.
766         * config/score/score.c (score_legitimize_address): Standardize.
767         * config/score/score3.c (score3_legitimize_address): Standardize.
768         * config/score/score3.h (score3_legitimize_address): Adjust.
769         * config/score/score7.c (score7_legitimize_address): Standardize.
770         * config/score/score7.h (score7_legitimize_address): Adjust.
771         * config/sh/sh.c (sh_legitimize_address): New.
772         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
773
774         * gcc/config/s390/s390.c (legitimize_address): Rename to...
775         (s390_legitimize_address): ... this.
776         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
777         (sparc_legitimize_address): ... this.
778         * gcc/config/i386/i386.c (legitimize_address): Rename to...
779         (ix86_legitimize_address): ... this.
780         * gcc/config/avr/avr.c (legitimize_address): Rename to...
781         (avr_legitimize_address): ... this.
782         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
783         (mn10300_legitimize_address): ... this.
784         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
785         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
786         (alpha_expand_mov): Adjust call.
787
788         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
789         * config/spu/spu.c (spu_legitimize_address): Likewise.
790         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
791         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
792
793 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
794
795         * intl.c (locale_encoding, locale_utf8): New.
796         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
797         * intl.h (locale_encoding, locale_utf8): Declare.
798         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
799         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
800         New.
801         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
802         argument.
803         (pp_tree_identifier): Define to call pp_base_tree_identifier.
804         (pp_base_tree_identifier): Declare as function.
805         (identifier_to_locale): Declare.
806         * Makefile.in (pretty-print.o): Update dependencies.
807         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
808
809 2009-05-04  Richard Guenther  <rguenther@suse.de>
810
811         PR middle-end/40015
812         * builtins.c (fold_builtin_memory_op): Do not decay to element
813         type if the size matches the whole array.
814
815 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
816
817         * expmed.c (synth_mult): When trying out a shift, pass the result
818         of a signed shift.
819
820 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
821
822         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
823         (shiftsub1_cost): New.
824         (init_expmed): Compute shiftsub1_cost.
825         (synth_mult): Optimize multiplications by constants of the form
826         -(2^^m-1) for some constant positive integer m.
827
828 2009-05-03  Richard Guenther  <rguenther@suse.de>
829
830         PR c/39983
831         * c-typeck.c (array_to_pointer_conversion): Do not built
832         ADDR_EXPRs of arrays of pointer-to-element type.
833         * c-gimplify.c (c_gimplify_expr): Revert change fixing
834         up wrong ADDR_EXPRs after-the-fact.
835         * c-common.c (strict_aliasing_warning): Strip pointer
836         conversions for obtaining the original type.
837         * builtins.c (fold_builtin_memset): Handle array types.
838         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
839         and array types
840
841 2009-05-03  Richard Guenther  <rguenther@suse.de>
842
843         PR middle-end/23329
844         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
845         Do not lose casts from array types with unknown extent to array
846         types with known extent.
847         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
848         alias set compatibility.
849
850 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
851
852         * flags.h (extra_warnings): Delete.
853         * toplev.c (process_options): Handle Wuninitialized here.
854         * opts.c (extra_warnings): Delete.
855         (set_Wextra): Delete.
856         (common_handle_option): -Wextra can be handled automatically.
857         * c-opts.c (c_common_handle_option): Delete obsolete code.
858         (c_common_post_options): Simplify comment.
859         * common.opt (W): Add Var.
860         (Wextra): Add Var.
861         (Wuninitialized): Initialize to -1.
862
863 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
864             Richard Guenther  <rguenther@suse.de>
865
866         * expr.c (get_def_for_expr): New function.
867         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
868         SSA rather than trees.
869         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
870         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
871         
872 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
873
874         * c-common.c (reswords): Add _Imaginary.
875         * c-common.c (enum rid): Add RID_IMAGINARY.
876
877 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
878
879         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
880         Patch by Richard Guenther.
881
882 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
883
884         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
885         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
886         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
887         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
888         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
889         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
890         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
891         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
892         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
893         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
894         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
895         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
896         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
897         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
898         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
899         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
900         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
901         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
902
903 2009-05-02  Richard Guenther  <rguenther@suse.de>
904
905         PR tree-optimization/39940
906         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
907         doing so.
908
909 2009-05-02  Richard Guenther  <rguenther@suse.de>
910
911         PR middle-end/40001
912         * tree-ssa.c (execute_update_addresses_taken): Properly check
913         if we can mark a variable DECL_GIMPLE_REG_P.
914         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
915         back to the end of the function.
916         (is_gimple_reg_type): Remove complex type special casing.
917         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
918         if not optimizing.
919
920 2009-05-02  Ben Elliston  <bje@au.ibm.com>
921
922         * doc/collect2.texi (Collect2): Document search path behaviour
923         when configured with --with-ld.
924
925 2009-05-02  Jan Hubicka  <jh@suse.cz>
926
927         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
928         parameter; update callers.
929         (coalesce_cost_edge): EH edges are costier because they needs
930         splitting even if not critical and even more costier when there are
931         multiple EH predecestors.
932
933 2009-05-02  Jan Hubicka  <jh@suse.cz>
934
935         * except.c (remove_eh_handler_and_replace): Handle updating after
936         removing TRY blocks.
937
938 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
939
940         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
941
942 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
943
944         * varasm.c: Do not include c-pragma.h.
945         * attribs.c: Do not incude c-common.h.
946
947 2009-05-01  Michael Matz  <matz@suse.de>
948
949         * calls.c (initialize_argument_information): Handle SSA names like
950         decls with a non MEM_P DECL_RTL.
951
952 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
953
954         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
955         * ipa-utils.c: Likewise.
956         * ipa-type-escape.c: Likewise.
957         * cgraphunit.c Do not include c-common.h.
958         * ipa-pure-const.c: Likewise.
959         * tree-if-conv.c: Likewise.
960         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
961         * ipa-struct-reorg.c: Likewise.
962         * tree-nomudflap.c: Likewise.
963         * tree-ssa-structalias.c: Likewise.
964
965 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
966
967         * store-motion.c: Many cleanups to make this pass a first-class
968         citizen instead of an appendix to gcse load motion.  Add TODO list
969         to make this pass faster/cleaner/better.
970
971         (struct ls_expr): Post gcse.c-split cleanups.
972         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
973         "stores" field to "avail_stores".
974         (pre_ldst_mems): Rename to store_motion_mems.
975         (pre_ldst_table): Rename to store_motion_mems_table.
976         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
977         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
978         (ldst_entry): Rename to st_expr_entry, update users.
979         (free_ldst_entry): Rename to free_st_expr_entry, update users.
980         (free_ldst_mems): Rename to free_store_motion_mems, update users.
981         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
982         update caller.
983         (first_ls_expr): Rename to first_st_expr, update users.
984         (next_ls_expr): Rename to next_st_expr, update users.
985         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
986         fields properly for store motion instead of names inherited from load
987         motion in gcse.c.
988         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
989         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
990         are done with it.
991
992         (ae_kill): Rename to st_kill, update users.
993         (ae_gen): Rename to st_avloc, update users.
994         (transp): Rename to st_transp, update users.
995         (pre_insert_map): Rename to st_insert_map, update users.
996         (pre_delete_map): Rename to st_delete_map, update users.
997         (insert_store, build_store_vectors, free_store_memory,
998         one_store_motion_pass): Update for abovementioned changes.
999
1000         (gcse_subst_count, gcse_create_count): Remove.
1001         (one_store_motion_pass): New statistics counters "n_stores_deleted"
1002         and "n_stores_created", local variables.
1003
1004         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
1005         use for_each_rtx.
1006
1007         (regvec, compute_store_table_current_insn): Remove.
1008         (reg_set_info, reg_clear_last_set): Remove.
1009         (compute_store_table): Use DF caches instead of local dataflow
1010         solvers.
1011
1012 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
1013
1014         * c-objc-common.c (c_tree_printer): Print identifiers with
1015         pp_identifier, not pp_string.  Mark "({anonymous})" for
1016         translation.
1017         * c-pretty-print.c (pp_c_ws_string): New.
1018         (pp_c_cv_qualifier, pp_c_type_specifier,
1019         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
1020         pp_c_storage_class_specifier, pp_c_function_specifier,
1021         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
1022         pp_c_primary_expression, pp_c_postfix_expression,
1023         pp_c_unary_expression, pp_c_shift_expression,
1024         pp_c_relational_expression, pp_c_equality_expression,
1025         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
1026         use pp_string and pp_c_ws_string in place of pp_identifier and
1027         pp_c_identifier for non-identifiers.  Mark English strings for
1028         translation.
1029         * c-pretty-print.h (pp_c_ws_string): Declare.
1030
1031 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
1032             Roland McGrath <roland@redhat.com>
1033
1034         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
1035         (ENABLE_LD_BUILDID): New configuration option.
1036         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
1037         (LINK_BUILDID_SPEC): New macro.
1038         (init_spec): If defined, prepend it between LINK_EH_SPEC and
1039         link_spec.
1040         * doc/install.texi: Document --enable-linker-build-id option.
1041         * configure: Rebuild.
1042         * config.in: Rebuild.
1043
1044 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
1045
1046         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
1047         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
1048         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
1049         MIPS_GP_SAVE_AREA_SIZE.
1050         * config/mips/mips.c (struct mips_frame_info): Update comment
1051         before arg_pointer_offset and hard_frame_pointer_offset.
1052         (mips_compute_frame_info): Update diagram before function: to
1053         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
1054         indicate the position of frame_pointer_rtx with -fstack-protector and
1055         to show args_size.  Don't allocate cprestore area for leaf functions
1056         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
1057         cprestore_size.
1058         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
1059
1060 2009-04-30  Michael Matz  <matz@suse.de>
1061
1062         PR tree-optimization/39955
1063         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
1064
1065 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
1066
1067         * ira.c (setup_cover_and_important_classes):  Use safe macro
1068         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
1069         directly.
1070         * genpreds.c (write_tm_preds_h):  Output suitable definition of
1071         REG_CLASS_FOR_CONSTRAINT.
1072
1073 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
1074
1075         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
1076         instead of an int.
1077         * bitmap.c (bitmap_descriptor): Likewise.
1078         * ggc-common.c (loc_descriptor): Likewise.
1079         * varray.c (varray_descriptor): Likewise.
1080         * vec.c (vec_descriptor): Likewise.
1081
1082 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1083
1084         * Makefile.in (dce.o): Add $(EXCEPT_H).
1085         * dce.c: Include except.h and delete redundant vector definitions.
1086         (deletable_insn_p): Return false for non-call insns that can throw
1087         if DF is running.
1088
1089 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1090
1091         * gcse.c (ae_gen): Remove.
1092         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
1093         and make non-static function to make it available in store-motion.c.
1094         Update call sites with search-and-replace.
1095         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
1096         extract_mentioned_regs, extract_mentioned_regs_helper,
1097         find_moveable_store, compute_store_table, load_kills_store, find_loads,
1098         store_killed_in_insn, store_killed_after, store_killed_before,
1099         build_store_vectors, insert_insn_start_basic_block, insert-store,
1100         remove_reachable_equiv_notes, replace_store_insn, delete_store,
1101         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
1102         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
1103         * store-motion.c: ...new file.  Also copy data structures from gcse.c
1104         and clean up to remove parts not used by store motion.
1105         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
1106         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
1107
1108 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1109
1110         PR target/38571
1111         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
1112         when optimizing for size.
1113
1114 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
1115
1116         * gcse.c (gcse_constant_p): Fix typo in last change.
1117
1118 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
1119
1120         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
1121
1122 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
1123
1124         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
1125
1126 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
1127
1128         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
1129         CONST_HIGH_PART result.
1130
1131 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
1132
1133         * config/avr/avr.c (initial_elimination_offset): Rename to
1134         avr_initial_elimination_offset.
1135         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
1136         change return type to bool.
1137         (avr_can_eliminate): New function.
1138         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
1139         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
1140         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
1141         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
1142         avr_initial_elimination_offset.
1143         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
1144         (avr_initial_elimination_offset): Define.
1145
1146 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
1147             Steven Bosscher  <steven@gcc.gnu.org>
1148
1149         PR rtl-optimization/39938
1150         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
1151         * cfgrtl.c: Include insn-attr.h.
1152         (rest_of_pass_free_cfg): New function.
1153         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
1154         * resource.c (init_resource_info): Remove call to df_analyze.
1155
1156 2009-04-29  Richard Guenther  <rguenther@suse.de>
1157
1158         PR target/39943
1159         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
1160         allow conversion to signed integers.
1161
1162 2009-04-29  Richard Guenther  <rguenther@suse.de>
1163
1164         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
1165         shifts of floating point vectors if the shift amount is
1166         a constant multiple of the element size.
1167
1168 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1169             Michael Matz  <matz@suse.de>
1170
1171         PR middle-end/39927
1172         PR bootstrap/39929
1173         * tree-outof-ssa.c (emit_partition_copy): New function.
1174         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
1175         insert_part_to_rtx_on_edge): Perform the partition base var
1176         copy using emit_partition_copy.
1177         (insert_value_copy_on_edge): Convert constants to the right mode.
1178         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
1179         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
1180
1181 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1182
1183         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
1184         scan backwards to try to find a constant to initialize it.
1185
1186         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
1187         insn before the loop_end instruction, don't look past labels.
1188
1189 2009-04-29  Richard Guenther  <rguenther@suse.de>
1190
1191         PR middle-end/39937
1192         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
1193         loose type conversions.
1194         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
1195         stmts only if there are no uses of its definition.
1196
1197 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1198
1199         * config/bfin/bfin.h (splitting_loops): Declare.
1200         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
1201         Reorder bit definitions to be ascending.
1202         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
1203         * config/bfin/bfin.c (splitting_loops): New variable.
1204         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
1205         (struct loop_info): Remove members INIT and LOOP_INIT.
1206         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
1207         the LSETUP sequence.  Allow LC to be loaded from any register, but
1208         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
1209         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
1210         set to 1.
1211         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
1212         of reload_completed.
1213
1214         From Jie Zhang:
1215         * config/bfin/bfin.md (movsi_insn): Refine constraints.
1216
1217 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
1218
1219         * Makefile.in (PLUGIN_VERSION_H): New.
1220         (OBJS-common): Remove plugin-version.o.
1221         (plugin.o): Depend on (PLUGIN_VERSION_H).
1222         (plugin-version.o): Remove.
1223         * configure: Regenerate
1224         * configure.ac: Create plugin-version.h.
1225         * gcc-plugin.h (plugin_gcc_version): Remove.
1226         (plugin_default_version_check): Change signature.
1227         * plugin-version.c: Remove.
1228         * plugin.c: Include plugin-version.h.
1229         (str_plugin_gcc_version_name): Remove.
1230         (try_init_one_plugin): Pass gcc version to plugin_init.
1231         (plugin_default_version_check): Both gcc and plugin versions are now
1232         arguments.
1233
1234 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1235         
1236         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
1237         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
1238         Remove special case testing for last insn of inner loops. Don't fail
1239         if the loop ends with a jump, emit an extra nop instead.
1240
1241         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
1242         DREGS rather than comparing directly.  Remove code that tries to
1243         account for latencies.
1244
1245 2009-04-29  Richard Guenther  <rguenther@suse.de>
1246
1247         PR tree-optimization/39941
1248         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
1249         eliminating an indirect call.
1250
1251 2009-04-29  Richard Guenther  <rguenther@suse.de>
1252
1253         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
1254         parameter.  Allow invariants as base if !require_lvalue.
1255         (verify_gimple_assign_single): Adjust.
1256
1257 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1258
1259         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
1260         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
1261         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
1262         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
1263         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
1264         a VEC_SELECT.
1265         * config/bfin/bfin.c (bfin_expand_builtin,
1266         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
1267
1268 2009-04-28  Richard Guenther  <rguenther@suse.de>
1269
1270         * tree-vect-loop.c (get_initial_def_for_induction): Use
1271         correct types for pointer increment.
1272
1273 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1274
1275         * toplev.c (print_version): Update GMP version string calculation.
1276
1277 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1278
1279         PR rtl-optimization/39938
1280         * resource.c (init_resource_info): Add call to df_analyze.
1281
1282 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
1283
1284         * config/alpha/alpha.md (usegp): Cast the result of
1285         alpha_find_lo_sum_using_gp to enum attr_usegp.
1286         * config/alpha/alpha.c (override_options): Remove end-of-structure
1287         marker element from cpu_table.  Use array size of cpu_table to handle
1288         -mcpu and -mtune options.
1289         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
1290
1291 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
1292
1293         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
1294         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
1295         tune_32 and tune_64.
1296         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
1297         support on PowerPC.
1298         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
1299         * config/rs6000/option-defaults.h: ... here.  New file.
1300         (OPT_64, OPT_32): Define.
1301         (MASK_64BIT): Define to 0 if not already defined.
1302         (OPT_ARCH64, OPT_ARCH32): Define.
1303         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
1304         and tune_64.
1305
1306 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1307
1308         * config/arm/arm.c (arm_override_options): Emit error on using
1309         fpa with AAPCS.
1310
1311 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
1312
1313         PR rtl-optimization/39914
1314         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
1315         registers for allocnos created from user-defined variables only
1316         when not optimizing.
1317
1318 2009-04-28  Richard Guenther  <rguenther@suse.de>
1319
1320         PR middle-end/39937
1321         * fold-const.c (fold_binary): Use distribute_real_division only
1322         on float types.
1323
1324 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
1325
1326         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
1327         add hpux-stdint.h to tm_file.
1328         (hppa[12]*-*-hpux11*): Ditto.
1329         (ia64*-*-hpux*): Ditto.
1330         * config/hpux-stdint.h: New.
1331         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
1332         __STDC_EXT__ for all compiles.
1333         * config/pa/pa-hpux.h: Ditto.
1334         * config/pa/pa-hpux10.h: Ditto.
1335         * config/pa/pa-hpux11.h: Ditto.
1336
1337 2009-04-28  Catherine Moore  <clm@codesourcery.com>
1338
1339         * debug.h (set_name): Add comment.
1340
1341 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
1342
1343         PR target/39929
1344         * config/darwin.c (machopic_gen_offset): Check
1345         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
1346         * config/arm/arm.c (require_pic_register): Likewise.
1347
1348 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
1349
1350         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
1351         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
1352         m32c_promote_prototypes): Delete.
1353
1354 2009-04-28  Michael Matz  <matz@suse.de>
1355
1356         PR middle-end/39922
1357         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
1358         constants.
1359
1360 2009-04-28  Richard Guenther  <rguenther@suse.de>
1361
1362         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
1363
1364 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1365
1366         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
1367         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
1368         * config/arm/arm-tune.md: Regenerate.
1369
1370 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
1371
1372         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
1373         block if there are complex incoming edges.
1374         (sel_merge_blocks): Remove useless assert.
1375         (sel_redirect_edge_and_branch): Check that edge was redirected.
1376         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
1377         (sel_find_rgns): Delete declaration.
1378         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
1379         the region when it is not a preheader.
1380
1381 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
1382
1383         PR c/39323
1384         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
1385
1386 2009-04-28  Richard Guenther  <rguenther@suse.de>
1387
1388         * tree.h (SSA_NAME_VALUE): Remove.
1389         (struct tree_ssa_name): Remove value_handle member.
1390         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
1391         array for jump threading.
1392         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
1393         SSA_NAME_VALUEs.
1394         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
1395         * tree-flow.h (threadedge_initialize_values): Declare.
1396         (threadedge_finalize_values): Likewise.
1397         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
1398         (SSA_NAME_VALUE): Define.
1399         (threadedge_initialize_values): New function.
1400         (threadedge_finalize_values): Likewise.
1401         * tree-ssa-dom.c (ssa_name_values): New global variable.
1402         (SSA_NAME_VALUE): Define.
1403         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
1404
1405 2009-04-28  Ira Rosen  <irar@il.ibm.com>
1406
1407         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
1408         Use REPORT_VECTORIZED_LOCATIONS instead 
1409         REPORT_VECTORIZED_LOOPS.
1410         * tree-vectorizer.c (vect_verbosity_level): Make static.
1411         (vect_loop_location): Rename to vect_location.
1412         (vect_set_verbosity_level): Update comment.
1413         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
1414         and vect_location.
1415         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
1416         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
1417         instead REPORT_UNVECTORIZED_LOOPS.
1418         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def and
1419         vect_loop_def to vect_external_def and vect_internal_def.
1420         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
1421         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
1422         REPORT_UNVECTORIZED_LOCATIONS.
1423         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
1424         and vect_used_in_loop and to vect_unused_in_scope and 
1425         vect_used_in_scope.
1426         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
1427         (vect_verbosity_level): Remove declaration.
1428         (vect_analyze_operations): Likewise.
1429         (vect_analyze_stmt): Declare.
1430         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
1431         REPORT_UNVECTORIZED_LOCATIONS.
1432         (vect_get_loop_niters): Fix indentation.
1433         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
1434         (vect_analyze_loop_operations): New function.
1435         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
1436         vect_analyze_operations.
1437         (vect_is_simple_reduction): Use new names.
1438         (vectorizable_live_operation, vect_transform_loop): Likewise.
1439         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value to
1440         specify whether the data references can be a part of interleaving chain.
1441         (vect_analyze_data_ref_dependence): Use new names.
1442         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
1443         (vect_create_addr_base_for_vector_ref): Remove redundant code.
1444         * tree-vect-patterns.c (widened_name_p): Use new names.
1445         (vect_recog_dot_prod_pattern): Likewise.
1446         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
1447         (process_use, vect_mark_stmts_to_be_vectorized, 
1448         vect_model_simple_cost, vect_model_store_cost,
1449         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
1450         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1451         vectorizable_operation, vectorizable_type_demotion,
1452         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
1453         vectorizable_condition): Likewise.
1454         (vect_analyze_operations): Split into vect_analyze_loop_operations
1455         and ...
1456         (vect_analyze_stmt): ... new function.
1457         (new_stmt_vec_info): Use new names.
1458         (vect_is_simple_use): Use new names and fix comment.
1459         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
1460         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
1461
1462 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
1463
1464         PR target/39911
1465         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
1466         and integer modes for x87 operands.  Do not ICE for unsupported size,
1467         generate error instead.  Generate error for unsupported operand types.
1468         ['z']: Do not handle HImode memory operands specially.  Warning
1469         for floating-point operands.  Fallthru to 'Z' for unsupported operand
1470         types.  Do not ICE for unsupported size, generate error instead.
1471         (output_387_binary_op): Use %Z to output operands.
1472         (output_fp_compare): Ditto.
1473         (output_387_reg_move): Ditto.
1474
1475 2009-04-28  Ben Elliston  <bje@au.ibm.com>
1476
1477         PR c++/35652
1478         Revert:
1479
1480         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1481
1482         * builtins.c (c_strlen): Do not warn here.
1483         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
1484         * c-common.c (pointer_int_sum): Take an explicit location.
1485         Warn about offsets out of bounds.
1486         * c-common.h (pointer_int_sum): Adjust declaration.
1487
1488 2009-04-27  Ian Lance Taylor  <iant@google.com>
1489
1490         * collect2.c (is_ctor_dtor): Change type of ret field in struct
1491         names to symkind.
1492         * dce.c (run_fast_df_dce): Change type of old_flags to int.
1493         * df-core.c (df_set_flags): Change return type to int.  Change
1494         type of old_flags to int.
1495         (df_clear_flags): Likewise.
1496         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
1497         (df_get_conditional_uses): Likewise.
1498         * df.h (df_set_flags, df_clear_flags): Update declarations.
1499         * dwarf2out.c (struct indirect_string_node): Change type of form
1500         field to enum dwarf_form.
1501         (AT_string_form): Change return type to enum dwarf_form.
1502         * fixed-value.c (fixed_compare): Add cast to enum type.
1503         * fwprop.c (update_df): Change 0 to VOIDmode.
1504         * gensupport.c: Change 0 to UNKNOWN.
1505         * gimple.h (gimple_cond_code): Add cast to enum type.
1506         * haifa-sched.c (reemit_notes): Add cast to enum type.
1507         * hooks.c (hook_int_void_no_regs): Remove function.
1508         * hooks.h (hook_int_void_no_regs): Remove declaration.
1509         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
1510         * predict.c (combine_predictions_for_insn): Add casts to enum type.
1511         * real.c (real_arithmetic): Add cast to enum type.
1512         (real_compare): Likewise.
1513         * target.h (struct gcc_target): Change return type of
1514         branch_target_register_class to enum reg_class.
1515         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
1516         default_branch_target_register_class.
1517         * targhooks.c (default_branch_target_register_class): New function.
1518         * targhooks.h (default_branch_target_register_class): Declare.
1519         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
1520         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
1521         cast to int.
1522         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
1523         ERROR_MARK.
1524         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
1525         vect_uninitialized_def.  Change 0 to ERROR_MARK.
1526         * tree-vect-stmts.c (supportable_widening_operation): Don't
1527         initialize icode1 and icode2.
1528         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
1529         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
1530         and to STD_C89.
1531         (cmn_err_flag_specs): Change 0 to STD_C89.
1532         (cmn_err_char_table): Likewise.
1533         * config/arm/arm.c (get_arm_condition_code): Change type of code
1534         to enum arm_cond_code.
1535         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
1536         (IWMMXT_BUILTIN2): Likewise.
1537         (neon_builtin_type_bits): Don't define typedef.
1538         (neon_builtin_datum): Change type of bits field to int.
1539         (arm_expand_neon_args): Add cast to enum type.
1540         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
1541         TLS_MODEL_NONE.
1542         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
1543         casts to enum type.
1544         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
1545         MIPS_FP_COND_f.
1546         * config/mips/mips.md (jal_macro): Return enum constant.
1547         (single_insn): Likewise.
1548         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
1549         CODE_FOR_nothing.
1550         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1551         casts to enum type.
1552         * config/s390/s390.c (s390_tune_flags): Change type to int.
1553         (s390_arch_flags): Likewise.
1554         (s390_handle_arch_option): Change flags field of struct pta to int.
1555         * config/s390/s390.h (s390_tune_flags): Update declaration.
1556         (s390_arch_flags): Likewise.
1557         * config/sh/sh.c (prepare_move_operands): Compare
1558         tls_symbolic_operand result with enum constant.
1559         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
1560         (sh_expand_prologue): Add cast to enum type.
1561         (sh_expand_epilogue): Likewise.
1562         (tls_symbolic_operand): Change return type to enum tls_model.
1563         (fpscr_set_from_mem): Add cast to enum type.
1564         (legitimize_pic_address): Compare tls_symbolic_operand result with
1565         enum constant.
1566         (sh_target_reg_class): Change return type to enum reg_class.
1567         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
1568         PROCESSOR_xxx.
1569         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
1570         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
1571         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
1572         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
1573         (delayed_branch, tls_call_delay): Likewise.
1574         (eligible_for_sibcall_delay): Likewise.
1575         (eligible_for_return_delay): Likewise. 
1576         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
1577         (spu_expand_builtin_1): Likewise.
1578
1579         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
1580         for all types of conversions.
1581         (output_init_element): Issue -Wc++-compat warning if needed when
1582         initializing a bitfield with enum type.
1583         * c-parser.c (c_parser_expression): Set original_type to
1584         original_type of right hand operand of comman operator.
1585
1586 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1587
1588         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
1589         grammar nits.
1590         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
1591         * doc/cpp.texi (Standard Predefined Macros)
1592         (Implementation-defined behavior): Likewise.
1593         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
1594         * doc/gimple.texi (GIMPLE Exception Handling)
1595         (@code{GIMPLE_ASSIGN}): Likewise.
1596         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
1597         * doc/invoke.texi (Warning Options, Optimize Options)
1598         (AVR Options, Darwin Options): Likewise.
1599         (Optimize Options): Reformulate -fwhole-program description.
1600         * doc/loop.texi (Lambda): Likewise.
1601         * doc/md.texi (Output Template, Define Constraints)
1602         (Standard Names, Insn Splitting): Likewise.
1603         * doc/options.texi (Option properties): Likewise.
1604         * doc/passes.texi (Tree-SSA passes): Likewise.
1605         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
1606         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
1607         (File Names and DBX): Likewise.
1608         * doc/trouble.texi (Incompatibilities): Likewise.
1609
1610 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1611
1612         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
1613         instruction is correct.
1614
1615 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1616
1617         Allow non-constant arguments to conversion intrinsics.
1618         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
1619         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
1620         * spu.c (print_operand): Handle 'v' and 'w'.
1621         (exp2_immediate_p, spu_gen_exp2): Define.
1622         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
1623         spu_convtf_1): Update parameter descriptions.
1624         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
1625         * constraints.md ('v', 'w'): New.
1626         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
1627         Remove.
1628         (i2f, I2F): New define_mode_attr.
1629         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
1630         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
1631         fixuns_truncv4sfv4si2):  Update to use mode attribute.
1632         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
1633         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
1634         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
1635         patterns for combine.
1636
1637 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
1638
1639         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
1640         (cprop, hoist, pre, store_motion): New debug counters.
1641         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
1642         is not an RTL pass anymore.
1643         (pass_profiling): Remove extern decl for pass removed in 2005.
1644         (pass_gcse, pass_jump_bypass): Remove.
1645         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
1646         to 0 for clean state.
1647         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
1648         * cse.c (gate_handle_cse_after_global_opts,
1649         rest_of_handle_cse_after_global_opts): New functions.
1650         (pass_cse_after_global_opts): New pass, does local CSE.
1651         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
1652         (TV_CPROP): New timevar.
1653         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
1654         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
1655         (gcse_main, recompute_all_luids): Remove.
1656         (compute_hash_table_work): Call max_reg_num instead of reading
1657         max_gcse_regno.
1658         (cprop_jump): Don't set run_jump_opt_after_gcse.
1659         (constprop_register): Always allow to alter jumps.
1660         (cprop_insn): Likewise.
1661         (do_local_cprop): Likewise.
1662         (local_cprop_pass): Likewise.  Return non-zero if something changed.
1663         (cprop): Remove function, fold interesting bits into one_cprop_pass.
1664         (find_implicit_sets): Add note about missed optimization opportunity.
1665         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
1666         pass_rtl_cprop execute function.
1667         Don't bother tracking the pass number, each pass gets its own dumpfile
1668         now anyway.
1669         Always allow to alter jumpsand bypass jumps.
1670         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
1671         will just find no suitable set.
1672         (pre_edge_insert): Fix dumping, this function is for PRE only.
1673         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
1674         pass_rtl_pre execute function.
1675         (hoist_code): Return non-zero if something changed.  Keep track of
1676         substitutions and insertions for statistics gathering similar to PRE.
1677         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
1678         called from the pass_rtl_hoist execute function.  Show pass statistics.
1679         (compute_store_table): Use max_reg_num directly instead of using the
1680         formerly global max_gcse_regno.
1681         (build_store_vectors): Likewise.
1682         (replace_store_insn): Fix dumping.
1683         (store_motion): Rename to ...
1684         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
1685         pass, called from the pass_rtl_store_motion execute function.  Keep
1686         track of substitutions and insertions for statistics gathering similar
1687         to PRE.
1688         (bypass_jumps): Remove, fold interesting bits into ...
1689         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
1690         from the pass_rtl_cprop execute function.
1691         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
1692         pass_jump_bypass): Remove.
1693         (gate_handle_gcse, rest_of_handle_gcse): Remove.
1694         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
1695         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
1696         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
1697         (gate_rtl_store_motion, execute_rtl_store_motion,
1698         pass_rtl_store_motion): New.
1699         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
1700         make it clear that -fcse-skip-blocks is a no-op for backward compat.
1701         * passes.c (init_optimization_passes): Remove pass_gcse and
1702         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
1703         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
1704         instead of pass_jump_bypass.
1705
1706 2009-04-27  Richard Guenther  <rguenther@suse.de>
1707
1708         PR middle-end/39928
1709         * gimplify.c (gimplify_expr): If we are required to create
1710         a temporary make sure it ends up as register.
1711
1712 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1713
1714         PR target/39903
1715         * config/i386/i386.c (construct_container): Don't call
1716         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
1717         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
1718
1719 2009-04-27  Michael Matz  <matz@suse.de>
1720
1721         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
1722         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
1723         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
1724         (dump_replaceable_exprs): Take a bitmap.
1725         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
1726         array.
1727         (expand_gimple_basic_block): Likewise.
1728         * tree-ssa-ter.c (struct temp_expr_table_d): Make
1729         replaceable_expressions member a bitmap.
1730         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
1731         (mark_replaceable): Likewise.
1732         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
1733         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
1734
1735 2009-04-27  Richard Guenther  <rguenther@suse.de>
1736
1737         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
1738         (verify_stmts): Dispatch to gimple/type verification code.
1739         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
1740         issue with call argument types.
1741
1742 2009-04-27  Michael Matz  <matz@suse.de>
1743
1744         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
1745         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
1746         to above.
1747
1748 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
1749             Eric Botcazou  <ebotcazou@adacore.com>
1750
1751         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
1752         a label's basic block.
1753         (mark_target_live_regs): Tidy and rework obsolete comments.
1754         Change back DF problem to LIVE.  If a label starts a basic block,
1755         assume that all registers that used to be live then still are.
1756         (init_resource_info): If a label starts a basic block, set its
1757         BLOCK_FOR_INSN accordingly.
1758         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
1759
1760 2009-04-27  Richard Guenther  <rguenther@suse.de>
1761
1762         * tree-flow-inline.h (function_ann): Remove.
1763         (get_function_ann): Likewise.
1764         * tree-dfa.c (create_function_ann): Remove.
1765         * tree-flow.h (struct static_var_ann_d): Remove.
1766         (struct function_ann_d): Likewise.
1767         (union tree_ann_d): Remove fdecl member.
1768         (function_ann_t): Remove.
1769         (function_ann, get_function_ann, create_function_ann): Remove
1770         declarations.
1771
1772 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
1773
1774         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
1775
1776 2009-04-27  Jan Hubicka  <jh@suse.cz>
1777
1778         * ipa-pure-const.c (struct funct_state_d): New fields
1779         state_previously_known, looping_previously_known; remove
1780         state_set_in_source.
1781         (analyze_function): Use new fields.
1782         (propagate): Avoid assumption that state_set_in_source imply
1783         nonlooping.
1784
1785         * tree-ssa-loop-niter.c (finite_loop_p): New function.
1786         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
1787         * cfgloop.h (finite_loop_p): Declare.
1788
1789 2009-04-26  Michael Matz  <matz@suse.de>
1790
1791         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
1792
1793 2009-04-26  Michael Matz  <matz@suse.de>
1794
1795         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
1796         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
1797         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
1798         pass_mark_used_blocks): Remove.
1799         * tree-optimize.c (pass_free_datastructures,
1800         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
1801         * passes.c (init_optimization_passes): Don't call
1802         pass_mark_used_blocks, remove dead code.
1803
1804 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
1805
1806         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
1807         * tree-ssa-live.h (register_ssa_partition): Likewise.
1808
1809 2009-04-26  Michael Matz  <matz@suse.de>
1810
1811         Expand from SSA.
1812         * builtins.c (fold_builtin_next_arg): Handle SSA names.
1813         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
1814         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
1815         SSA names. 
1816         (compare_pairs): Swap cost comparison.
1817         (coalesce_ssa_name): Don't use change_partition_var.
1818         * tree-nrv.c (struct nrv_data): Add modified member.
1819         (finalize_nrv_r): Set it.
1820         (tree_nrv): Use it to update statements.
1821         (pass_nrv): Require PROP_ssa.
1822         * tree-mudflap.c (mf_decl_cache_locals,
1823         mf_build_check_statement_for): Use make_rename_temp.
1824         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
1825         * alias.c (find_base_decl): Handle SSA names.
1826         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
1827         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
1828         * rtl.h (set_reg_attrs_for_parm): Declare.
1829         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
1830         to "optimized", remove unused locals at finish.
1831         (execute_free_datastructures): Make global, call
1832         delete_tree_cfg_annotations.
1833         (execute_free_cfg_annotations): Don't call
1834         delete_tree_cfg_annotations.
1835
1836         * ssaexpand.h: New file.
1837         * expr.c (toplevel): Include ssaexpand.h.
1838         (expand_assignment): Handle SSA names the same as register variables.
1839         (expand_expr_real_1): Expand SSA names.
1840         * cfgexpand.c (toplevel): Include ssaexpand.h.
1841         (SA): New global variable.
1842         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
1843         (SSAVAR): New macro.
1844         (set_rtl): New helper function.
1845         (add_stack_var): Deal with SSA names, use set_rtl.
1846         (expand_one_stack_var_at): Likewise.
1847         (expand_one_stack_var): Deal with SSA names.
1848         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
1849         before unique numbers.
1850         (expand_stack_vars): Use set_rtl.
1851         (expand_one_var): Accept SSA names, add asserts for them, feed them
1852         to above subroutines.
1853         (expand_used_vars): Expand all partitions (without default defs),
1854         then only the local decls (ignoring those expanded already).
1855         (expand_gimple_cond): Remove edges when jumpif() expands an
1856         unconditional jump.
1857         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
1858         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
1859         SSA name.
1860         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
1861         members of SA; deal with PARM_DECL partitions here; expand
1862         all PHI nodes, free tree datastructures and SA.  Commit instructions
1863         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
1864         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
1865         info and statements at start, collect garbage at finish.
1866         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
1867         (VAR_ANN_PARTITION) Remove.
1868         (change_partition_var): Don't declare.
1869         (partition_to_var): Always return SSA names.
1870         (var_to_partition): Only accept SSA names.
1871         (register_ssa_partition): Only check argument.
1872         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
1873         member.
1874         (delete_var_map): Don't free it.
1875         (var_union): Only accept SSA names, simplify.
1876         (partition_view_init): Mark only useful SSA names as used.
1877         (partition_view_fini): Only deal with SSA names.
1878         (change_partition_var): Remove.
1879         (dump_var_map): Use ssa_name instead of partition_to_var member.
1880         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
1881         basic blocks.
1882         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
1883         (struct _elim_graph): New member const_dests; nodes member vector of
1884         ints.
1885         (set_location_for_edge): New static helper.
1886         (create_temp): Remove.
1887         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
1888         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
1889         (new_elim_graph): Allocate const_dests member.
1890         (clean_elim_graph): Truncate const_dests member.
1891         (delete_elim_graph): Free const_dests member.
1892         (elim_graph_size): Adapt to new type of nodes member.
1893         (elim_graph_add_node): Likewise.
1894         (eliminate_name): Likewise.
1895         (eliminate_build): Don't take basic block argument, deal only with
1896         partition numbers, not variables.
1897         (get_temp_reg): New static helper.
1898         (elim_create): Use it, deal with RTL temporaries instead of trees.
1899         (eliminate_phi): Adjust all calls to new signature.
1900         (assign_vars, replace_use_variable, replace_def_variable): Remove.
1901         (rewrite_trees): Only do checking.
1902         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
1903         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
1904         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
1905         contains_tree_r, MAX_STMTS_IN_LATCH,
1906         process_single_block_loop_latch, analyze_edges_for_bb,
1907         perform_edge_inserts): Remove.
1908         (expand_phi_nodes): New global function.
1909         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
1910         functions, initialize new parameter, remember partitions having a
1911         default def.
1912         (finish_out_of_ssa): New global function.
1913         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
1914         don't reset in_ssa_p here, don't disable TER when mudflap.
1915         (pass_del_ssa): Remove.
1916         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
1917         partition members.
1918         (execute_free_datastructures): Declare.
1919         * Makefile.in (SSAEXPAND_H): New variable.
1920         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
1921         * basic-block.h (commit_one_edge_insertion): Declare.
1922         * passes.c (init_optimization_passes): Move pass_nrv and
1923         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
1924         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
1925         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
1926         (redirect_branch_edge): Deal with super block when expanding, split
1927         out jump patching itself into ...
1928         (patch_jump_insn): ... here, new static helper.
1929
1930 2009-04-26  Michael Matz  <matz@suse.de>
1931
1932         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
1933         beyond num_ssa_names.
1934         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
1935         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
1936
1937 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
1938
1939         PR inline-asm/39543
1940         * fwprop.c (forward_propagate_asm): New function.
1941         (forward_propagate_and_simplify): Propagate also into __asm, if it
1942         doesn't increase the number of referenced registers.
1943
1944         PR c/39889
1945         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
1946
1947 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
1948
1949         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
1950         note_nonlocal_vla_type for nonlocal VLAs.
1951         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
1952         contains_remapped_vars, remap_vla_decls): New functions.
1953         (convert_nonlocal_reference_stmt): If not optimizing, call
1954         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
1955         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
1956         if it wasn't found in var_map.
1957         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
1958         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
1959         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
1960         declare_vars.
1961         * gimplify.c (nonlocal_vlas): New variable.
1962         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
1963         referenced VLAs.
1964         (gimplify_body): Create and destroy nonlocal_vlas.
1965
1966         * dwarf2out.c (loc_descr_plus_const): New function.
1967         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
1968         mem_loc_descriptor, loc_descriptor_from_tree_1,
1969         descr_info_loc, gen_variable_die): Use it.
1970
1971         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
1972         !TREE_STATIC VAR_DECLs.
1973         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
1974         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
1975         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
1976         DECL_BY_REFERENCE is valid.
1977         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
1978         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
1979         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
1980         Copy DECL_BY_REFERENCE.
1981         (struct nesting_copy_body_data): New type.
1982         (nesting_copy_decl): New function.
1983         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
1984         if they have variable length.
1985
1986 2009-04-26  Michael Matz  <matz@suse.de>
1987
1988         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
1989         mark new temporaries for renaming.
1990
1991 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
1992
1993         PR c/39581
1994         * c-decl.c (global_bindings_p): Return negative value.
1995         (c_variable_size): New.  Based on variable_size from
1996         stor-layout.c.
1997         (grokdeclarator): Call c_variable_size not variable_size.
1998
1999 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
2000
2001         * config/i386/i386.c (print_operand) ['z']: Fix typo.
2002
2003 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
2004
2005         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
2006         Redefine it to just use mingw/include.
2007         (ASM_SPEC): Rules for -m32 and -m64.
2008         (LINK_SPEC): Use Likewise.
2009         (SPEC_32): New define.
2010         (SPEC_64): Likewise.
2011         (SUB_LINK_SPEC): Likewise.
2012         (MULTILIB_DEFAULTS): New define.
2013         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
2014         Add multilib options.
2015         (MULTILIB_DIRNAMES): Likewise.
2016         (MULTILIB_OSDIRNAMES): Likewise.
2017         (LIBGCC): Likewise.
2018         (INSTALL_LIBGCC): Likewise.
2019
2020 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
2021
2022         PR c/39556
2023         * c-tree.h (enum c_inline_static_type): New.
2024         (record_inline_static): Declare.
2025         * c-decl.c (struct c_inline_static, c_inline_statics,
2026         record_inline_static, check_inline_statics): New.
2027         (pop_file_scope): Call check_inline_statics.
2028         (start_decl): Call record_inline_static instead of pedwarning
2029         directly for static in inline function.
2030         * c-typeck.c (build_external_ref): Call record_inline_static
2031         instead of pedwarning directly for static referenced in inline
2032         function.
2033
2034 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
2035
2036         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
2037         not new but only being rescanned.
2038         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
2039         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
2040         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
2041         record_set_info, compute_set, grealloc): Remove.
2042         (recompute_all_luids): New function.
2043         (gcse_main): Don't compute sets, and don't do related memory
2044         allocations/free-ing.  If something changed before the end of the
2045         pass, update LUIDs using recompute_all_luids.
2046         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
2047         (free_gcse_mem): Don't free it either.
2048         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
2049         Use the df insn LUIDs.
2050         (load_killed_in_block): Likewise.
2051         (compute_hash_table_work): Don't compute reg_set_in_block.
2052         (compute_transp): Use DF_REG_DEF_CHAINs.
2053         (local_cprop_pass): Don't use compute_sets and related functions.
2054         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
2055         Use get_max_uid() instead of max_cuid.
2056         (insert_insn_end_basic_block, pre_insert_copy_insn,
2057         update_ld_motion_stores): Don't try to
2058         keep reg_set tables up to date.
2059         (pre_insert_copies): Use df insn LUIDs.
2060         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
2061         (reg_set_info): Don't use extra bitmap argument.
2062         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
2063         information to compute regs_set_in_block.
2064         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
2065         (bypass_jumps): Don't use compute_sets and friends.
2066
2067 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2068
2069         PR testsuite/39710
2070         * opts.c (undocumented_msg): Do not leave blank even with
2071         ENABLE_CHECKING.
2072
2073 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
2074
2075         * c-decl.c (build_enumerator): Allow values folding to integer
2076         constants but not integer constant expressions with a pedwarn if
2077         pedantic.
2078
2079 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
2080
2081         PR c/39582
2082         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
2083         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
2084         type is an integer constant.
2085
2086 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
2087
2088         PR target/39897
2089         * config/i386/i386.c (print_operand) ['z']: Revert handling of
2090         HImode operands.
2091
2092 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
2093
2094         PR c/39564
2095         * c-decl.c (grokdeclarator): Diagnose declarations of functions
2096         with variably modified return type and no storage class
2097         specifiers, except for the case of nested functions.  Distinguish
2098         extern declarations of functions with variably modified return
2099         types from those of objects with variably modified types.
2100
2101 2009-04-25  Jan Hubicka  <jh@suse.cz>
2102
2103         * tree.c (list_equal_p): New function.
2104         * tree.h (list_equal_p): Declare.
2105         * coretypes.h (edge_def, edge, const_edge, basic_block_def
2106         basic_block_def, basic_block, const_basic_block): New.
2107         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
2108         (redirect_eh_edge): New function.
2109         (make_eh_edge_update_phi): EH edges are not abnormal.
2110         * except.c: Include tree-flow.h.
2111         (list_match): New function.
2112         (eh_region_replaceable_by_p): New function.
2113         (replace_region): New function.
2114         (hash_type_list): New function.
2115         (hash_eh_region): New function.
2116         (eh_regions_equal_p): New function.
2117         (merge_peers): New function.
2118         (remove_unreachable_regions): Verify EH tree when checking;
2119         merge peers.
2120         (copy_eh_region_1): New function.
2121         (copy_eh_region): New function.
2122         (push_reachable_handler): New function.
2123         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
2124         regions without label but with live RESX.
2125         * except.h (redirect_eh_edge_to_label): New.
2126         * tree-flow.h (redirect_eh_edge): New.
2127         * coretypes.h (edge_def, edge, const_edge, basic_block_def
2128         basic_block_def, basic_block, const_basic_block): Remove.
2129         * Makefile.in (except.o): Add dependency on tree-flow.h
2130         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
2131         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
2132         Remove.
2133
2134 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
2135
2136         PR bootstrap/39645
2137         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
2138         on the destination of memcpy.
2139
2140 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
2141
2142         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
2143         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
2144         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
2145
2146 2009-04-25  Jan Hubicka  <jh@suse.cz>
2147
2148         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
2149         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
2150         to be reached by different label than left.
2151         (update_eh_edges): Update comment; remove edge_to_remove if possible
2152         and return true if suceeded.
2153         (cleanup_empty_eh): Accept sharing map; handle shared regions.
2154         (cleanup_eh): Compute sharing map.
2155         * except.c (remove_eh_handler_and_replace): Add argument if we should
2156         update regions.
2157         (remove_unreachable_regions): Update for label sharing.
2158         (label_to_region_map): Likewise.
2159         (get_next_region_sharing_label): New function.
2160         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
2161         prev_try pointers.
2162         (remove_eh_handler): Update.
2163         (remove_eh_region_and_replace_by_outer_of): New function.
2164         * except.h (struct eh_region): Add next_region_sharing_label.
2165         (remove_eh_region_and_replace_by_outer_of,
2166         get_next_region_sharing_label): Declare.
2167         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
2168
2169 2009-04-25  Jan Hubicka  <jh@suse.cz>
2170
2171         * tree-cfg.c (split_critical_edges): Split also edges where we can't
2172         insert code even if they are not critical.
2173
2174 2009-04-25  Jan Hubicka  <jh@suse.cz>
2175
2176         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
2177         (gimple_can_remove_branch_p): EH edges won't remove branch by
2178         redirection.
2179         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
2180         updating of non-abnormal EH edges.
2181         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
2182         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
2183         (split_critical_edges): Split also edges where emitting code on them
2184         will lead to splitting later.
2185
2186 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
2187             H.J. Lu  <hongjiu.lu@intel.com>
2188
2189         PR target/39590
2190         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
2191         the configured assembler supports fildq and fistpq mnemonics.
2192         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
2193         * configure: Regenerated.
2194         * config.in: Ditto.
2195
2196         * config/i386/i386.c (print_operand): Handle 'Z'.
2197         ['z']: Remove handling of special fild/fist suffixes.
2198         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
2199         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
2200         suffix of fild insn.
2201         (*floatsi<mode>2_vector_mixed): Ditto.
2202         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
2203         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
2204         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
2205         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
2206         * config/i386/gas.h (GAS_MNEMONICS): Remove.
2207
2208 2009-04-25  Ben Elliston  <bje@au.ibm.com>
2209  
2210         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
2211         the source of a set operation.
2212
2213 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
2214
2215         * target.h (struct gcc_target): Add case_values_threshold field.
2216         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
2217         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
2218         * targhooks.c (default_case_values_threshold): New function.
2219         * targhooks.h (default_case_values_threshold): Declare function.
2220         * stmt.c (expand_case): Use case_values_threshold target hook.
2221         * expr.h (case_values_threshold): Remove declartation.
2222         * expr.c (case_values_threshold): Remove function.
2223         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
2224
2225         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
2226         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
2227         (avr_case_values_threshold): Declare as static.
2228         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
2229
2230         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
2231         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
2232         (mn10300_case_values_threshold): New function.
2233
2234 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
2235
2236         * ira.c (setup_cover_and_important_classes): Add enum cast.
2237
2238 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
2239
2240         * genpreds.c (write_enum_constraint_num): Output definition of
2241         CONSTRAINT_NUM_DEFINED_P macro.
2242         * ira.c (setup_cover_and_important_classes): Use
2243         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
2244         
2245 2009-04-24  DJ Delorie  <dj@redhat.com>
2246
2247         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
2248         __SH2A_SINGLE_ONLY__ also.
2249
2250 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
2251
2252         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
2253         (movdf_internal): Ditto.
2254         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
2255         SFmode and DFmode constants.
2256         (ia64_print_operand): Add 'G' format for printing
2257         floating point constants.
2258
2259 2009-04-24  Richard Guenther  <rguenther@suse.de>
2260
2261         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
2262         from unsigned additions.
2263
2264 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
2265
2266         * c-typeck.c (set_init_index): Allow array designators that are
2267         not integer constant expressions with a pedwarn if pedantic.
2268
2269 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2270
2271         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
2272         zero if no overlap in nonzero bits between the operands.
2273
2274 2009-04-24  Ian Lance Taylor  <iant@google.com>
2275
2276         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
2277         (record_dead_and_set_regs): Likewise.
2278         * df.h (struct df_mw_hardreg): Change flags field to int.
2279         (struct df_base_ref): Likewise.
2280         (struct df): Change changeable_flags field to int.
2281         * df-scan.c (df_defs_record): Change clobber_flags to int.
2282         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
2283         constants rather than #define macros.
2284         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
2285         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
2286         (enum dwarf_calling_convention): Likewise.
2287         (enum dwarf_line_number_x_ops): Likewise.
2288         (enum dwarf_call_frame_info): Likewise.
2289         (enum dwarf_source_language): Likewise.
2290         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
2291         (add_calling_convention_attribute): Likewise.
2292         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
2293         (combine_comparisons): Change compcode to int.  Add cast to enum type.
2294         * genrecog.c (maybe_both_true_2): Change c to int.
2295         (write_switch): Likewise.  Add cast to enum type.
2296         * gimplify.c (gimplify_omp_for): Handle return values from
2297         gimplify_expr using MIN rather than bitwise or.
2298         (gimplify_expr): Add cast to enum type.
2299         * ipa-prop.c (update_jump_functions_after_inlining): Change
2300         IPA_BOTTOM to IPA_JF_UNKNOWN.
2301         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
2302         Add casts to enum type.
2303         (setup_cover_and_important_classes): Change cl to int.  Add casts
2304         to enum type.
2305         (setup_class_translate): Change cl and mode to int.
2306         (ira_init_once): Change mode to int.
2307         (free_register_move_costs): Likewise.
2308         (setup_prohibited_mode_move_regs): Add casts to enum type.
2309         * langhooks.c (add_builtin_function_common): Rework assertion that
2310         value fits bitfield.
2311         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
2312         * omega.c (omega_do_elimination): Avoid math on enum types.
2313         * optabs.c (expand_vec_shift_expr): Remove casts to int.
2314         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
2315         int local to handle integral_argment value.
2316         * regmove.c (try_auto_increment): Change PUT_MODE to
2317         PUT_REG_NOTE_KIND.
2318         * reload.c (push_secondary_reload): Add casts to enum type.
2319         (secondary_reload_class, find_valid_class): Likewise.
2320         * reload1.c (emit_input_reload_insns): Likewise.
2321         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
2322         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
2323         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
2324         constant.
2325         * tree.c (build_common_builtin_nodes): Add casts to enum type.
2326         * tree-complex.c (complex_lattice_t): Typedef to int rather than
2327         enum type.
2328         (expand_complex_libcall): Add casts to enum type.
2329         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
2330         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
2331         with ERROR_MARK, not NUM_TREE_CODES.
2332         (vect_create_epilog_for_reduction): Likewise.
2333         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
2334         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
2335         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
2336         enum machine_mode.
2337         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
2338         vect_unused_in_loop.  Change 0 to loop_vect.
2339         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
2340         * var-tracking.c (get_init_value): Change return type to enum
2341         var_init_status.
2342         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
2343         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
2344         arm_fp_model.
2345         (arm_override_options): Add casts to enum type.
2346         (arm_emit_tls_decoration): Likewise.
2347         * config/i386/i386.c (ix86_function_specific_restore): Add casts
2348         to enum type.
2349         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
2350         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
2351         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
2352         enum type.
2353         * config/s390/s390.c (code_for_builtin_64): Change to array of
2354         enum insn_code.
2355         (code_for_builtin_31): Likewise.
2356         (s390_expand_builtin): Change code_for_builtin to enum insn_code
2357         const *.
2358         * config/sparc/sparc.c (sparc_override_options): Change value
2359         field in struct code_model to enum cmodel.  In initializer change
2360         0 to NULL and add cast to enum type.
2361
2362         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
2363         Change all callers.  Issue a -Wc++-compat warning using
2364         lhs_origtype if necessary.
2365         (convert_for_assignment): Issue -Wc++-compat warnings about
2366         invalid conversions to enum type on assignment.
2367         * c-common.h (build_modify_expr): Update declaration.
2368
2369 2009-04-24  Nick Clifton  <nickc@redhat.com>
2370
2371         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
2372         (function_arg_advance): Likewise.
2373         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
2374         5th alternative.
2375
2376 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2377
2378         * config/s390/constraints.md ('I', 'J'): Fix condition.
2379
2380 2009-04-24  Diego Novillo  <dnovillo@google.com>
2381
2382         * gengtype-parse.c (parse_error): Add newline after message.
2383
2384 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
2385
2386         * config/i386/sse.md (avxmodesuffixs): Removed.
2387         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
2388         (*avx_pinsr<ssevecsize>): This.
2389
2390 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2391
2392         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
2393         follow chains of regs with a single definition, and allow expressions
2394         that are function_invariant_p.
2395         (simple_rhs_p): Allow expressions that are function_invariant_p.
2396
2397 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
2398
2399         PR middle-end/39867
2400         * fold-const.c (fold_cond_expr_with_comparison): When folding
2401         > and >= to MAX, make sure the MAX uses the same type as the
2402         comparison's operands.
2403
2404 2009-04-24  Nick Clifton  <nickc@redhat.com>
2405
2406         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
2407         addressing for DImode accesses.
2408         (frv_print_operand_address): Handle PLUS case.
2409         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
2410
2411 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
2412
2413         PR rtl-optimization/39794
2414         * alias.c (canon_true_dependence): Add x_addr argument.
2415         * rtl.h (canon_true_dependence): Adjust prototype.
2416         * cse.c (check_dependence): Adjust canon_true_dependence callers.
2417         * cselib.c (cselib_invalidate_mem): Likewise.
2418         * gcse.c (compute_transp): Likewise.
2419         * dse.c (scan_reads_nospill): Likewise.
2420         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
2421         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
2422         canon_base_addr of the group, plus optional offset.
2423         (struct group_info): Rename canon_base_mem to
2424         canon_base_addr.
2425         (get_group_info): Set canon_base_addr to canon_rtx of base, not
2426         canon_rtx of base_mem.
2427
2428 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
2429
2430         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
2431         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
2432
2433 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2434
2435         * config/spu/spu-builtins.h: Delete file.
2436
2437         * config/spu/spu.h (enum spu_builtin_type): Move here from
2438         spu-builtins.h.
2439         (struct spu_builtin_description): Likewise.  Add GTY marker.
2440         Do not use enum spu_function_code or enum insn_code.
2441         (spu_builtins): Add extern declaration.
2442
2443         * config/spu/spu.c: Do not include "spu-builtins.h".
2444         (enum spu_function_code, enum spu_builtin_type_index,
2445         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
2446         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
2447         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
2448         unsigned_V2DI_type_node): Move here from spu-builtins.h.
2449         (spu_builtin_types): Make static.  Add GTY marker.
2450         (spu_builtins): Add extern declaration with GTY marker.
2451         Include "gt-spu.h".
2452
2453         * config/spu/spu-c.c: Do not include "spu-builtins.h".
2454         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
2455         Check programmatically whether all parameters are scalar.
2456
2457         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
2458
2459 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2460
2461         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
2462         assignment from the constructor either if the target is volatile.
2463
2464 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
2465
2466         * config/arm/arm.md (insv): Do not share operands[0].
2467
2468 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
2469
2470         * config/vxlib-tls.c (active_tls_threads): Delete.
2471         (delete_hook_installed): New.
2472         (tls_delete_hook): Don't delete the delete hook.
2473         (tls_destructor): Delete it here.
2474         (__gthread_set_specific): Adjust installing the delete hook.
2475         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
2476         __gthread_leave_tsd_dtor_context.
2477
2478 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
2479
2480         * c-format.c (gcc_tdiag_char_table): Add support for %E.
2481
2482 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
2483
2484         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
2485         enum type.
2486         (alpha_rtx_costs): Ditto.
2487         (emit_unlikely_jump): Use add_reg_note.
2488         (emit_frame_store_1): Ditto.
2489         (alpha_expand_prologue): Ditto.
2490         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
2491         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
2492
2493 2009-04-23  Nick Clifton  <nickc@redhat.com>
2494
2495         * config/v850/v850.md (epilogue): Remove suppressed code.
2496         (return): Rename to return_simple and remove test of frame size.
2497         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
2498         to gen_return_simple.
2499
2500 2009-04-22  Jing Yu  <jingyu@google.com>
2501
2502         PR testsuite/39781
2503         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2504
2505 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2506
2507         PR C/31499
2508         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
2509         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
2510         value is a VECTOR_CST, the element type is the element type of the
2511         vector.
2512
2513 2009-04-22  DJ Delorie  <dj@redhat.com>
2514
2515         * config/m32c/m32c.h: Update GTY annotations to new syntax.
2516
2517 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
2518
2519         * alias.c (find_base_term): Move around LO_SUM case, so that
2520         CONST falls through into PLUS/MINUS handling.
2521
2522         PR c/39855
2523         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
2524         into 0, use omit_one_operand.
2525
2526 2009-04-23  Ben Elliston  <bje@au.ibm.com>
2527
2528         * config/rs6000/linux-unwind.h (get_regs): Remove type
2529         puns. Change the type of `pc' to an array of unsigned ints and
2530         update all users.  Constify frame24.
2531
2532 2009-04-22  DJ Delorie  <dj@redhat.com>
2533
2534         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
2535         declarations before code.
2536         (current_function_special_page_vector): Likewise.
2537         (m32c_expand_insv): Silence a warning.
2538
2539 2009-04-21  Taras Glek  <tglek@mozilla.com>
2540
2541         * alias.c: Update GTY annotations to new syntax.
2542         * basic-block.h: Likewise.
2543         * bitmap.h: Likewise.
2544         * c-common.h: Likewise.
2545         * c-decl.c: Likewise.
2546         * c-parser.c: Likewise.
2547         * c-pragma.c: Likewise.
2548         * c-tree.h: Likewise.
2549         * cfgloop.h: Likewise.
2550         * cgraph.h: Likewise.
2551         * config/alpha/alpha.c: Likewise.
2552         * config/arm/arm.h: Likewise.
2553         * config/avr/avr.h: Likewise.
2554         * config/bfin/bfin.c: Likewise.
2555         * config/cris/cris.c: Likewise.
2556         * config/darwin.c: Likewise.
2557         * config/frv/frv.c: Likewise.
2558         * config/i386/i386.c: Likewise.
2559         * config/i386/i386.h: Likewise.
2560         * config/i386/winnt.c: Likewise.
2561         * config/ia64/ia64.h: Likewise.
2562         * config/iq2000/iq2000.c: Likewise.
2563         * config/mips/mips.c: Likewise.
2564         * config/mmix/mmix.h: Likewise.
2565         * config/pa/pa.c: Likewise.
2566         * config/pa/pa.h: Likewise.
2567         * config/rs6000/rs6000.c: Likewise.
2568         * config/s390/s390.c: Likewise.
2569         * config/sparc/sparc.c: Likewise.
2570         * config/xtensa/xtensa.c: Likewise.
2571         * cselib.h: Likewise.
2572         * dbxout.c: Likewise.
2573         * dwarf2out.c: Likewise.
2574         * except.c: Likewise.
2575         * except.h: Likewise.
2576         * fixed-value.h: Likewise.
2577         * function.c: Likewise.
2578         * function.h: Likewise.
2579         * gimple.h: Likewise.
2580         * integrate.c: Likewise.
2581         * optabs.c: Likewise.
2582         * output.h: Likewise.
2583         * real.h: Likewise.
2584         * rtl.h: Likewise.
2585         * stringpool.c: Likewise.
2586         * tree-data-ref.c: Likewise.
2587         * tree-flow.h: Likewise.
2588         * tree-scalar-evolution.c: Likewise.
2589         * tree-ssa-address.c: Likewise.
2590         * tree-ssa-alias.h: Likewise.
2591         * tree-ssa-operands.h: Likewise.
2592         * tree.c: Likewise.
2593         * tree.h: Likewise.
2594         * varasm.c: Likewise.
2595         * varray.h: Likewise.
2596         * vec.h: Likewise.
2597         * coretypes.h: Do not define GTY macro if it is already defined.
2598         * doc/gty.texi: Update GTY documentation to new syntax.
2599         * gengtype-lex.l: Enforce attribute-like syntax for GTY
2600         annotations on structs.
2601         * gengtype-parse.c: Likewise.
2602
2603 2009-04-22  Mark Heffernan  <meheff@google.com>
2604
2605         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
2606
2607 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
2608
2609         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
2610         where appropriate.
2611
2612 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
2613
2614         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
2615         the same as a PLUS without a shift.  Increase the cost of a
2616         CONST_INT in MULT.
2617
2618 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2619
2620         * Makefile.in: Update dependencies.
2621         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
2622         * errors.h: Remove bogus comment about compatibility.
2623         (warning): Update declaration.
2624         * genautomata.c: Update all calls to warning.
2625         * gimple.c: Do not include errors.h. Include toplev.h.
2626         * tree-ssa-structalias.c: Do not include errors.h.
2627         * omega.c: Likewise.
2628         * tree-ssa-reassoc.c: Likewise.
2629         * config/spu/spu-c.c: Likewise.
2630         * config/spu/t-spu-elf: Update dependencies.
2631
2632 2009-04-22  Richard Guenther  <rguenther@suse.de>
2633
2634         PR tree-optimization/39824
2635         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
2636         make sure the types are compatible.
2637
2638 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2639
2640         PR c++/14875
2641         * c-common.c (c_parse_error): Take a token_flags parameter.
2642         Use token_type for the token type instead.
2643         Pass token_flags to cpp_type2name.
2644         * c-common.h (c_parse_error): Update declaration.
2645         * c-parser.c (c_parser_error): Pass 0 as token flags.
2646
2647 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
2648
2649         PR rtl-optimization/39580
2650         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
2651         
2652 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2653
2654         * function.c (expand_function_end): Do not emit a jump to the "naked"
2655         return label for fall-through returns.
2656         * except.c (sjlj_emit_function_exit): Always place the call to the
2657         unregister function at the location installed by expand_function_end.
2658
2659 2009-04-22  Richard Guenther  <rguenther@suse.de>
2660
2661         PR tree-optimization/39845
2662         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
2663         (gen_inbound_check): Likewise.
2664
2665 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2666
2667         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
2668         padding for PPC.
2669         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
2670         * config/vxlib.c (__gthread_once): Add race guard for PPC.
2671
2672 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
2673
2674         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
2675         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
2676         shift counts to avoid out-of-bounds array accesses.
2677
2678 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
2679
2680         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
2681         (Pmode): Move above.
2682
2683 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
2684
2685         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
2686         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
2687         GET_CODE macro.  Use IN_RANGE macro where appropriate.
2688         * config/alpha/alpha.h: Ditto.
2689         * config/alpha/alpha.md: Ditto.
2690         * config/alpha/constraints.md: Ditto.
2691         * config/alpha/predicates.md: Ditto.
2692         
2693 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
2694
2695         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
2696         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2697         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2698         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2699         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2700         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2701         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2702         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2703         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2704         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2705         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2706         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2707         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2708         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2709         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2710         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2711         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2712         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2713         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2714         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2715         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2716         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2717         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2718         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2719         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2720         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2721         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2722
2723 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2724
2725         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
2726         references from comments.
2727         * cfgbuild.c: (count_basic_blocks): Delete.
2728         (find_basic_blocks_1): Delete.
2729         (find_basic_blocks): Delete.
2730         * except.c (finish_eh_generation): Make static.  Move comment from
2731         except.h here.  Remove find_basic_blocks references from comments.
2732         * except.h (finish_eh_generation): Delete.
2733         * basic-block.h (find_basic_blocks): Delete.
2734         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
2735
2736 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
2737
2738         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
2739         (sdbout_parms):  Likewise.
2740
2741 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
2742
2743         * config/sh/sh.c (prepare_cbranch_operands): Use
2744         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
2745         (expand_cbranchdi4): Likewise.
2746         (from_compare): Add cast to enum type.
2747         (expand_cbranchsi4): Use add_reg_note.
2748         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
2749         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
2750         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
2751         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
2752         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
2753         instead of CODE_FOR_nothing.
2754         (cbranchdi4): Likewise.  Fix the order of arguments for
2755         gen_rtx_fmt_ee.
2756         (push_fpscr): Use add_reg_note.
2757         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
2758         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
2759         
2760 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
2761
2762         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
2763         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
2764         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
2765         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
2766         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
2767         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
2768         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
2769         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
2770         config/alpha/x-vms, config/arc/t-arc,
2771         config/arm/README-interworking, config/arm/arm-c.c,
2772         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
2773         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
2774         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
2775         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
2776         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
2777         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
2778         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
2779         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
2780         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
2781         config/cris/t-elfmulti, config/crx/t-crx,
2782         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
2783         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
2784         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
2785         config/h8300/t-h8300, config/i386/athlon.md,
2786         config/i386/darwin-libgcc.10.4.ver,
2787         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
2788         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
2789         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
2790         config/i386/t-linux64, config/i386/t-nwld,
2791         config/i386/t-rtems-i386, config/i386/t-sol2-10,
2792         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
2793         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
2794         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
2795         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
2796         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
2797         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
2798         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
2799         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
2800         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
2801         config/m68k/t-uclinux, config/mcore/t-mcore,
2802         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
2803         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
2804         config/mips/crtn.asm, config/mips/irix-crti.asm,
2805         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
2806         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
2807         config/mips/mips-fixed.md, config/mips/sb1.md,
2808         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
2809         config/mips/t-iris6, config/mips/t-isa3264,
2810         config/mips/t-libgcc-mips16, config/mips/t-linux64,
2811         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
2812         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
2813         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
2814         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
2815         config/mn10300/t-linux, config/mn10300/t-mn10300,
2816         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
2817         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
2818         config/picochip/libgccExtras/clzsi2.asm,
2819         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
2820         config/rs6000/darwin-libgcc.10.4.ver,
2821         config/rs6000/darwin-libgcc.10.5.ver,
2822         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
2823         config/rs6000/t-aix43, config/rs6000/t-aix52,
2824         config/rs6000/t-darwin, config/rs6000/t-fprules,
2825         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
2826         config/rs6000/t-lynx, config/rs6000/t-netbsd,
2827         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
2828         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
2829         config/rs6000/t-rtems, config/rs6000/t-spe,
2830         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
2831         config/score/t-score-elf, config/sh/divcost-analysis,
2832         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
2833         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
2834         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
2835         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
2836         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
2837         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
2838         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
2839         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
2840         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
2841         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
2842         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
2843         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
2844         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
2845         limitx.h, version.c, xcoff.h: Add copyright and license notices.
2846         * config/h8300/genmova.sh: Include copyright and license notices
2847         in generated output.
2848         * config/h8300/mova.md: Regenerate.
2849         * doc/install.texi2html: Include word "Copyright" in copyright
2850         notice and use name "Free Software Foundation, Inc.".
2851         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
2852         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
2853         ChangeLog-2007, ChangeLog-2008: Correct dates.
2854
2855 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
2856
2857         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
2858         NE_EXPR operations as well.
2859         * c-parser.c (c_parser_condition): Do not set location information on
2860         the condition.
2861         (c_parser_conditional_expression): Likewise.
2862         (c_parser_binary_expression): Set location information on operators.
2863         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
2864         TRUTH_NOT_EXPR has been folded.
2865         * fold-const.c (fold_truth_not_expr): Copy location information from
2866         the incoming expression to the outgoing one.
2867         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
2868         recursive calls on the LHS of the operator but pass that of the
2869         operator to recursive calls on the RHS of the operator.  Set it
2870         on the COND_EXPR.
2871         (shortcut_cond_expr): Set the locus of the operator on the second
2872         COND_EXPR and that of the expression on the first in degenerate cases.
2873         Pass the locus of the expression to calls to shortcut_cond_r.
2874         Set the locus of the 'then' block on the associated jump, if any.
2875         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
2876         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
2877         expression to call to gimplify_boolean_expr.
2878
2879 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
2880
2881         * config.gcc: Add additional configuration for
2882         i686-w64-mingw* and x86_64-w64-mingw* triplet.
2883         * config/i386/mingw-w64.h: New mingw-w64 specific header.
2884         (CPP_SPEC): Redefine for allowing -municode option.
2885         (STARTFILE_SPEC): Likewise.
2886         * config/i386/t-mingw-w64: New.
2887         * config/i386/mingw-w64.opt: New.
2888         (municode): Add new target option.
2889         * doc/invoke.texi (municode): Add documentation for new option.
2890
2891 2009-04-21  Ian Lance Taylor  <iant@google.com>
2892
2893         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2894         Correct test for number of arguments.
2895         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
2896
2897 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
2898
2899         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
2900         argument of emit_library_call.
2901
2902 2009-04-21  Richard Guenther  <rguenther@suse.de>
2903
2904         PR middle-end/39829
2905         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
2906         inside VIEW_CONVERT_EXPRs.
2907
2908 2009-04-21  Martin Jambor  <mjambor@suse.cz>
2909
2910         * tree-switch-conversion.c (build_constructors): Split a long line.
2911         (constructor_contains_same_values_p): New function.
2912         (build_one_array): Create assigns of constants if possible, do not
2913         call mark_sym_for_renaming, call update_stmt.
2914         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
2915         make_rename_temp.  Do not call mark_symbols_for_renaming, call
2916         update_stmt.
2917         (gen_def_assigns): Do not call mark_symbols_for_renaming or
2918         find_new_referenced_vars, call update_stmt.
2919         (gen_inbound_check): Use create_tmp_var and create ssa names manually
2920         instead of calling make_rename_temp.  Do not call
2921         find_new_referenced_vars or mark_symbols_for_renaming, call
2922         update_stmt.
2923
2924 2009-04-21  Richard Guenther  <rguenther@suse.de>
2925
2926         PR tree-optimization/39827
2927         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
2928         (tree_ssa_phiprop): Pass the correct array size.
2929
2930 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
2931
2932         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
2933
2934 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2935
2936         PR 16202
2937         * c-typeck.c (lvalue_p): Move declaration ...
2938         * c-common.h (lvalue_p): ... to here.
2939         * c-common.c (candidate_equal_p): New.
2940         (add_tlist): Use it.
2941         (merge_tlist): Use it.
2942         (warn_for_collisions_1): Likewise.
2943         (warning_candidate_p): Accept more candidates.
2944         (verify_tree): A warning candidate can be an expression. Use
2945         candidate_equal_p.
2946
2947 2009-04-21  Ben Elliston  <bje@au.ibm.com>
2948
2949         PR target/5267
2950         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
2951         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
2952         options.  Remove -mcall-solaris documentation.
2953
2954 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2955
2956         PR c++/13358
2957         * doc/invoke.texi (-Wlong-long): Update description.
2958         * c-lex (interpret_integer): Only warn if there was no previous
2959         overflow and -Wlong-long is enabled.
2960         * c-decl.c (declspecs_add_type): Drop redundant flags.
2961         * c.opt (Wlong-long): Init to -1.
2962         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
2963         and front-end warn_long_long. Wlong-long only depends on other
2964         flags if it is uninitialized.
2965         * c-parser.c (disable_extension_diagnostics): warn_long_long is
2966         the same for CPP and FE.
2967         (restore_extension_diagnostics): Likewise.
2968
2969 2009-04-20  Ian Lance Taylor  <iant@google.com>
2970
2971         Fix enum conversions which are invalid in C++:
2972         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
2973         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
2974         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
2975         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
2976         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
2977         (dbxout_parms): Likewise.
2978         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
2979         (df_clear_flags): Likewise.
2980         * df-problems.c (df_rd_bb_local_compute_process_def): Change
2981         top_flag parameter to int.
2982         (df_chain_create_bb_process_use): Likewise.
2983         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
2984         Remove cast.
2985         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
2986         (df_ref_create_structure, df_def_record_1): Likewise.
2987         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
2988         (df_notes_rescan): Change 0 to VOIDmode in function call.
2989         (df_get_call_refs, df_insn_refs_collect): Likewise.
2990         (df_bb_regs_collect): Likewise.
2991         (df_entry_block_defs_collect): Likewise.
2992         (df_exit_block_uses_collect): Likewise.
2993         * df.h: Update declarations.
2994         * double-int.c (double_int_divmod): Add cast to enum type.
2995         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
2996         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
2997         (based_loc_descr): Likewise.
2998         (loc_descriptor_from_tree_1): Change first_op and second_op to
2999         enum dwarf_location_atom.  Add cast to enum type.
3000         * expmed.c (init_expmed): Change 0 to SET in function call.
3001         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
3002         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
3003         (do_store_flag): Likewise.
3004         * fixed-value.h (struct fixed_value): Change mode to enum
3005         machine_mode.
3006         * function.c (assign_parms): Change 0 to VOIDmode in function call.
3007         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
3008         function call.
3009         (insert_insn_decl, insert_decl, insert_state): Likewise.
3010         (automata_list_finish): Likewise.
3011         * genrecog.c (process_define_predicate): Add cast to enum type.
3012         * gensupport.c (init_predicate_table): Add cast to enum type.
3013         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
3014         function call.
3015         (gimple_build_call_1, gimple_build_label): Likewise.
3016         (gimple_build_goto, gimple_build_asm_1): Likewise.
3017         (gimple_build_switch_1, gimple_build_cdt): Likewise.
3018         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
3019         (enum fallback): Rename from enum fallback_t.
3020         (fallback_t): Typedef as int.
3021         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
3022         GSI_SAME_STMT in function call.
3023         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
3024         enum type.
3025         (setup_reg_class_relations): Likewise.
3026         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
3027         (setup_prohibited_class_mode_regs): Add cast to enum type.
3028         (setup_prohibited_mode_move_regs): Likewise.
3029         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
3030         (record_address_regs): Change i to enum reg_class.
3031         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
3032         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
3033         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
3034         (GET_MODE_2XWIDER_MODE): Likewise.
3035         (GET_CLASS_NARROWEST_MODE): Likewise.
3036         * omp-low.c (expand_omp_for): Add cast to enum type.
3037         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
3038         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
3039         * postreload.c (reload_cse_simplify_operands): Change rclass local
3040         to enum reg_class.
3041         * predict.c (combine_predictions_for_insn): Change best_predictor
3042         and predictor to enum br_predictor.
3043         (combine_predictions_for_bb): Likewise.
3044         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
3045         use SET_PREDICT_EXPR_OUTCOME.
3046         * real.c (real_arithmetic): Change icode to code in function call.
3047         * reginfo.c (init_move_cost): Add casts to enum type.
3048         (init_reg_sets_1, init_fake_stack_mems): Likewise.
3049         * regmove.c (regclass_compatible_p): Change class0 and class1 to
3050         enum reg_class.
3051         * reload.c (find_valid_class): Add casts to enum type.
3052         (push_reload): Change 0 to NO_REGS in function call.
3053         (find_reloads): Change this_alternative to array of enum
3054         reg_class.  Remove some now-unnecessary casts.
3055         (make_memloc): Change 0 to VOIDmode in function call.
3056         * reload1.c (reload): Change 0 to VOIDmode in function call.
3057         (eliminate_regs_1, elimination_effects): Likewise.
3058         (eliminate_regs_in_insn): Likewise.
3059         (emit_input_reload_insns): Add cast to enum type.
3060         (delete_output_reload): Change 0 to VOIDmode in function call.
3061         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
3062         to enum type in function call.
3063         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
3064         (SET_PREDICT_EXPR_OUTCOME): Define.
3065         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
3066         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
3067         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
3068         (dump_function): Likewise.
3069         * tree-dump.h: Update declarations.
3070         * tree-pass.h: Update declarations.
3071         * varasm.c (assemble_integer): Change mclass to enum mode_class.
3072         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
3073         enum type.
3074         (arm_rtx_costs_1): Correct parenthesization.
3075         (arm_rtx_costs): Add casts to enum type.
3076         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
3077         (vfp_emit_fstmd): Use add_rg_note.
3078         (emit_multi_reg_push, emit_sfm): Likewise.
3079         (thumb_set_frame_pointer): Likewise.
3080         (arm_expand_prologue): Likewise.
3081         (arm_regno_class): Change return type to enum reg_class.
3082         (thumb1_expand_prologue): Use add_reg_note.
3083         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
3084         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
3085         in function call.
3086         * config/arm/gentune.sh: Add cast to enum type.
3087         * config/arm/arm-tune.md: Rebuild.
3088         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
3089         (ix86_split_fp_branch, predict_jump): Likewise.
3090         (ix86_expand_multi_arg_builtin): Change sub_code from enum
3091         insn_code to enum rtx_code.
3092         (ix86_builtin_vectorized_function): Add cast to enum type.
3093         * config/i386/i386.md (truncdfsf2): Change slot to enum
3094         ix86_stack_slot.
3095         (truncxf<mode>2, isinf<mode>2): Likewise.
3096         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
3097         enum type.
3098         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
3099         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
3100         (insert_bundle_state): Change 1 to INSERT in function call.
3101         (ia64_add_bundle_selector_before): Likewise.
3102         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
3103         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
3104         (restore_stack_nonlocal): Likewise.
3105         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
3106         function call.
3107         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
3108         function call.
3109         (mips_rtx_costs): Likewise.
3110         (mips_override_options): Add casts to enum type.
3111         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
3112         in function call.
3113         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
3114         (store_reg, set_reg_plus_d): Likewise.
3115         (hppa_expand_prologue, hppa_profile_hook): Likewise.
3116         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
3117         cast to enum type.
3118         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
3119         function call.
3120         (emit_unlikely_jump): Use add_reg_note.
3121         (rs6000_emit_allocate_stack): Likewise.
3122         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
3123         (output_toc): Change 1 to INSERT in function call.
3124         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
3125         (rs6000_initialize_trampoline): Likewise.
3126         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
3127         function call.
3128         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
3129         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
3130         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
3131         (save_gprs): Use add_reg_note.
3132         (s390_emit_prologue): Likewise.
3133         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3134         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
3135         (sparc_fold_builtin): Add cast to enum type.
3136         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
3137         enum insn_code.
3138         (spu_expand_prologue): Use add_reg_note.
3139         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
3140
3141 2009-04-20  Ian Lance Taylor  <iant@google.com>
3142
3143         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
3144         (c_parser_postfix_expression_after_primary): Get VEC for list of
3145         arguments.  Get original types of arguments.  Call
3146         build_function_call_vec.
3147         (cached_expr_list_1, cached_expr_list_2): New static variables.
3148         (c_parser_expr_list): Change return type to VEC *.  Add
3149         p_orig_types parameter.  Change all callers.
3150         (c_parser_release_expr): New static function.
3151         (c_parser_vec_to_tree_list): New static function.
3152         * c-typeck.c (build_function_call): Rewrite to build a VEC and
3153         call build_function_call_vec.
3154         (build_function_call_vec): New function, based on old
3155         build_function_call.
3156         (convert_arguments): Remove nargs and argarray parameters.  Change
3157         values to a VEC.  Add origtypes parameter.
3158         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
3159         (convert_for_assignment): Add origtype parameter.  Change all
3160         callers.  If warn_cxx_compat, check for conversion to an enum
3161         type when calling a function.
3162         (store_init_value): Add origtype parameter.  Change all callers.
3163         (digest_init): Likewise.
3164         (struct init_node): Add origtype field.
3165         (add_pending_init): Add origtype parameter.  Change all callers.
3166         (output_init_element): Likewise.
3167         (output_pending_init_elements): Pass origtype from init_node to
3168         output_init_element.
3169         (process_init_element): Pass origtype from c_expr to
3170         output_init_element.
3171         (c_finish_return): Add origtype parameter.  Change all callers.
3172         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
3173         caller.
3174         (sync_resolve_params): Likewise.
3175         (sync_resolve_return): Change params to first_param.  Change caller.
3176         (resolve_overloaded_builtins): Change params to VEC *.  Change
3177         callers.  Save first parameter around call to build_function_call_vec.
3178         * c-decl.c (finish_decl): Add origtype parameter.  Change all
3179         callers.  Call build_function_call_vec rather than
3180         build_function_call for cleanup.
3181         * c-tree.h: Update declarations.
3182         * c-common.h: Update declarations.
3183         * stub-objc.c (objc_rewrite_function_call): Change parameter from
3184         params to first_param.
3185         * target.h (struct gcc_target): Change resolve_overloaded_builtin
3186         params parameter from tree to void *.
3187         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3188         Change arglist parameter to have type void *, and to be a pointer
3189         to a VEC.
3190         * config/rs6000/rs6000-protos.h
3191         (altivec_resolve_overloaded_builtin): Update declaration.
3192         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
3193         fnargs parameter to have type void *, and to be a pointer to a
3194         VEC.  Call build_function_call_vec instead of
3195         build_function_call.
3196         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
3197
3198 2009-04-20  Joey Ye  <joey.ye@intel.com>
3199             Xuepeng Guo  <xuepeng.guo@intel.com>
3200             H.J. Lu  <hongjiu.lu@intel.com>
3201
3202         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
3203
3204         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
3205         (IX86_LEA_PRIORITY): Likewise.
3206         (distance_non_agu_define): New function.
3207         (distance_agu_use): Likewise.
3208         (ix86_lea_for_add_ok): Likewise.
3209         (ix86_dep_by_shift_count): Likewise.
3210
3211         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
3212         should split for LEA.
3213
3214         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
3215         function.
3216         (ix86_dep_by_shift_count): Likewise.
3217
3218 2009-04-20  Richard Guenther  <rguenther@suse.de>
3219
3220         * expr.c (handled_component_p): Move ...
3221         * tree.h (handled_component_p): ... here.
3222         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
3223         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
3224         and REALPART_EXPR to be in one group.
3225
3226 2009-04-20  Richard Guenther  <rguenther@suse.de>
3227
3228         * basic-block.h (get_all_dominated_blocks): Declare.
3229         * dominance.c (get_all_dominated_blocks): New function.
3230         * tree-cfg.c (get_all_dominated_blocks): Remove.
3231         (remove_edge_and_dominated_blocks): Adjust.
3232         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
3233         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
3234         instead of recursing.
3235
3236 2009-04-20  Doug Kwan  <dougkwan@google.com>
3237
3238         * cgraph.h (cgraph_node_ptr): New type for vector functions.
3239         (struct cgraph_node_set_def): New type.
3240         (cgraph_node_set) New type. Also declare vector functions.
3241         (struct cgraph_node_set_element_def): New type.
3242         (cgraph_node_set_element): Ditto.
3243         (cgraph_node_set_iterator): New iterator type.
3244         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
3245         cgraph_node_set_remove, dump_cgraph_node_set,
3246         debug_cgraph_node_set): New prototypes.
3247         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
3248         cgraph_node_set_size): New inlines.
3249         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
3250         including cgraph.h.
3251         (struct ipa_opt_pass): Add struct cgraph_node_set_def
3252         argument to function 'write_summary'.
3253         * ipa.c: Include ggc.h.
3254         (hash_cgraph_node_set_element,
3255         eq_cgraph_node_set_element, cgraph_node_set_new,
3256         cgraph_node_set_add, cgraph_node_set_remove,
3257         cgraph_node_set_find, dump_cgraph_node_set,
3258         debug_cgraph_node_set): New functions.
3259         * Makefile.in (ipa.o): Add dependency on GGC_H.
3260
3261 2009-04-20  Ira Rosen  <irar@il.ibm.com>
3262
3263         PR tree-optimization/39675
3264         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
3265         check of the return code of vect_schedule_slp. Check that
3266         stmt_vec_info still exists for the statement, before checking its
3267         vectorization type.
3268
3269 2009-04-20  Michael Matz  <matz@suse.de>
3270
3271         * Makefile.in (generated_files): Take out $(simple_generated_c).
3272
3273 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
3274
3275         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
3276         (UINTPTR_TYPE):  Likewise.
3277
3278 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
3279
3280         PR c/37481
3281         * c-typeck.c (digest_init): Check for initializing an array with a
3282         string literal.
3283
3284 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
3285
3286         PR c/19771
3287         * c-semantics.c (pop_stmt_list): Propagate
3288         STATEMENT_LIST_HAS_LABEL to parent statement list.
3289
3290 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
3291
3292         * config/mips/mips.h (mips_tune_attr): New macro.
3293         * config/mips/mips.md (cpu): Use it.
3294
3295 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
3296
3297         PR c/38243
3298         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
3299         declaring a tag.
3300
3301 2009-04-19  Diego Novillo  <dnovillo@google.com>
3302
3303         * toplev.c (compile_file): Move call to coverage_finish ...
3304         * cgraphunit.c (ipa_passes): ... here.
3305         Call cgraph_process_new_functions.
3306         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
3307         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
3308
3309 2009-04-19  Jan Hubicka  <jh@suse.cz>
3310
3311         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
3312         cfun.
3313         (dump_cgraph_node): Dump can throw external flag.
3314         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
3315
3316 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3317
3318         PR c/32061
3319         PR c++/36954
3320         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
3321         * common.opt (Wlogical-op): Move from here...
3322         * c.opt (Wlogical-op): ... to here.
3323         * c-typeck.c (parser_build_binary_op): Update call to
3324         warn_logical_operator.
3325         * c-opts.c (c_common_post_options): Enable warn_logical_op with
3326         extra_warnings.
3327         * c-common.c (warn_logical_op): Update.
3328         * c-common.h (warn_logical_op): Update declaration.
3329
3330 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
3331
3332         * tree.c (protected_set_expr_location): Fix formatting.
3333
3334 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
3335
3336         PR c/27676
3337         * c-typeck.c (readonly_warning): new.
3338         (build_unary_op, build_modify_expr): Use readonly_warning for
3339         storing into something readonly but not const-qualified.
3340
3341 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
3342
3343         PR c/22367
3344         * c-typeck.c (build_unary_op): Check for taking address of
3345         expression of type void.
3346
3347 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
3348
3349         PR c/35210
3350         * c-typeck.c (build_function_call): Check for calling a function
3351         with qualified void return types.  Call require_complete_type when
3352         generating a trap.
3353
3354 2009-04-18  Jan Hubicka  <jh@suse.cz>
3355
3356         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
3357         Set nothrow flag.
3358         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
3359         can_throw_external flag.
3360         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
3361         * ipa-pure-const.c (ignore_edge): New function.
3362         (propagate): Compute order for NOTHROW computation; set NOTHROWs
3363         only over can_throw_external edges.
3364         (local_pure_const): Add nothrow flag.
3365         * ipa-utils.c (searchc): Add ignore_edge callback.
3366         (ipa_utils_reduced_inorder): Add ignore_edge callback.
3367         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
3368         (set_nothrow_function_flags): Update cgraph.
3369         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
3370
3371 2009-04-18  Richard Guenther  <rguenther@suse.de>
3372
3373         PR middle-end/39804
3374         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
3375         (fold_stmt): ... this and ...
3376         (fold_stmt_inplace): ... this.
3377         (fold_stmt_1): Fold references in calls and asms.
3378         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
3379
3380 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3381
3382         * tree-vrp.c (ssa_name_nonzero_p): Remove.
3383         * tree.h: Remove the prototype for ssa_name_nonzero_p.
3384
3385 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3386
3387         * tree.c (function_args_count): Remove.
3388         * tree.h: Remove the prototype for function_args_count.
3389
3390 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3391
3392         * tree-iterator.c (expr_only): Remove.
3393         * tree.h: Remove the prototype for expr_only.
3394
3395 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3396
3397         * reginfo.c (cannot_change_mode_set_regs): Remove.
3398         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
3399
3400 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
3401
3402         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
3403         whether operands 0 and 1 overlaps.
3404
3405 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3406
3407         PR middle-end/36902
3408         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
3409         pointer. Use warning_at instead of warning.
3410         (search_for_addr_array): Likewise.
3411         (check_array_bounds): Likewise.
3412         (check_all_array_refs): Check that the incoming edge is not in the
3413         list of edges to be removed.
3414         (check_all_array_refs): Avoid the temporal pointer.
3415         (vrp_visit_cond_stmt): Fix typo.
3416         (simplify_switch_using_ranges): Handle the case where the switch
3417         index is an integer constant.
3418
3419 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
3420
3421         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
3422
3423 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3424
3425         * doc/extend.texi, doc/invoke.texi: Fix typos.
3426
3427 2009-04-17  Cary Coutant  <ccoutant@google.com>
3428
3429         * tree-flow-inline.h (get_lineno): Fix inverted test.
3430
3431 2009-04-17  Diego Novillo  <dnovillo@google.com>
3432
3433         * tree-ssa-pre.c (create_expression_by_pieces): Remove
3434         assertion for AVAIL_OUT.
3435
3436 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
3437
3438         PR target/38627
3439         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
3440         * config/sh/linux-atomic.asm: Likewise.
3441
3442 2009-04-17  Diego Novillo  <dnovillo@google.com>
3443
3444         * except.c (debug_eh_tree): New.
3445         (struct eh_region, struct eh_status): Move ...
3446         * except.h: ... here.
3447         (add_type_for_runtime): Declare extern.
3448         (lookup_type_for_runtime): Likewise.
3449         (debug_eh_tree): Declare.
3450         * Makefile.in (GTFILES): List except.h before except.c
3451
3452 2009-04-17  Diego Novillo  <dnovillo@google.com>
3453
3454         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
3455         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
3456         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
3457         (find_vars_r): ... here.
3458         * tree-flow.h (find_referenced_vars_in): Declare.
3459         * tree-ssa-pre.c (create_expression_by_pieces): Assert
3460         that AVAIL_OUT exists for BLOCK.
3461         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
3462         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
3463         (tree-parloops.o): Likewise.
3464
3465 2009-04-17  Simon Baldwin  <simonb@google.com>
3466
3467         * toplev.c (default_tree_printer): Add handling for %E format.
3468
3469 2009-04-17  Diego Novillo  <dnovillo@google.com>
3470
3471         * tree-pretty-print.c (dump_generic_node): Add break after
3472         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
3473         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
3474         FUNCTION_TYPE together.  Call print_struct_decl when printing
3475         structures and TDF_SLIM is not given.
3476         (print_struct_decl): Fix logic for detecting recursion.
3477
3478 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
3479
3480         PR 31567
3481         * gcc.c (create_at_file): New.
3482         (compile_input_file_p): New.
3483         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
3484         * main.c (main): Update call to toplev_main.
3485         * toplev.c (toplev_main): Change signature. Call expandargv.
3486         * toplev.h (toplev_main): Change signature.
3487
3488 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
3489
3490         * dwarf2out.c (field_byte_offset): Use the type size as the field size
3491         if the latter is not constant.
3492
3493 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
3494
3495         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
3496
3497 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
3498
3499         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
3500         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
3501
3502 2009-04-17  Richard Guenther  <rguenther@suse.de>
3503
3504         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3505         Handle component references view-converting an invariant address.
3506
3507 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
3508
3509         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
3510         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
3511         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
3512         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
3513         Use @deftypevr rather than @deftypevar.
3514
3515 2009-04-17  Richard Guenther  <rguenther@suse.de>
3516
3517         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
3518         (get_prop_source_stmt): Likewise.
3519         (can_propagate_from): Likewise.
3520
3521 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
3522
3523         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
3524         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
3525         (--with-multilib-list): Add default value.
3526         * configure: Regenerate.
3527         * Makefile.in (TM_ENDIAN_CONFIG): Define.
3528         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
3529         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
3530         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
3531         Don't add default cpu to multilib list unnecessarily, but do enable
3532         the relevant compiler option..
3533         Add support for --with-multilib-list=<blank> and
3534         --with-multilib-list=!<somelib> to supress unwanted multilibs.
3535         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
3536         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
3537         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
3538         TM_MULTILIB_CONFIG.
3539         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
3540         (MULTILIB_OSDIRNAMES): New variable.
3541         * config/sh/t-1e: Delete file.
3542         * config/sh/t-mlib-sh1: Delete file.
3543         * config/sh/t-mlib-sh2: Delete file.
3544         * config/sh/t-mlib-sh2a: Delete file.
3545         * config/sh/t-mlib-sh2a-nofpu: Delete file.
3546         * config/sh/t-mlib-sh2a-single: Delete file.
3547         * config/sh/t-mlib-sh2a-single-only: Delete file.
3548         * config/sh/t-mlib-sh2e: Delete file.
3549         * config/sh/t-mlib-sh3e: Delete file.
3550         * config/sh/t-mlib-sh4: Delete file.
3551         * config/sh/t-mlib-sh4-nofpu: Delete file.
3552         * config/sh/t-mlib-sh4-single: Delete file.
3553         * config/sh/t-mlib-sh4-single-only: Delete file.
3554         * config/sh/t-mlib-sh4a: Delete file.
3555         * config/sh/t-mlib-sh4a-nofpu: Delete file.
3556         * config/sh/t-mlib-sh4a-single: Delete file.
3557         * config/sh/t-mlib-sh4a-single-only: Delete file.
3558         * config/sh/t-mlib-sh4al: Delete file.
3559         * config/sh/t-mlib-sh5-32media: Delete file.
3560         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
3561         * config/sh/t-mlib-sh5-64media: Delete file.
3562         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
3563         * config/sh/t-mlib-sh5-compact: Delete file.
3564         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
3565         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
3566         * doc/install.texi (Options specification): Add
3567         --with-multilib-list and --with-endian.
3568
3569 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
3570
3571         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
3572         REVISION_c.
3573         (OBJS-common): Add plugin-version.o.
3574         (plugin-version.o): New.
3575         * gcc-plugin.h (plugin_gcc_version): New.
3576         (plugin_default_version_check): New.
3577         (plugin_init_func, plugin_init): Add version argument.
3578         * plugin-version.c: New.
3579         * plugin.c (str_plugin_gcc_version_name): New.
3580         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
3581         pass it to the init function.
3582         (plugin_default_version_check): New.
3583
3584 2009-04-17  Richard Guenther  <rguenther@suse.de>
3585
3586         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
3587         for decl-vs-decl disambiguation.
3588
3589 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3590
3591         * config/s390/s390.h (s390_tune_attr): New macro definition.
3592         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
3593
3594 2009-04-17  Richard Guenther  <rguenther@suse.de>
3595
3596         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
3597         (fold_stmt_r): Likewise.
3598         (maybe_fold_reference): New function.
3599         (fold_gimple_assign): Handle cases fold_stmt_r did.
3600         (fold_stmt): Do not use fold_stmt_r.
3601         (fold_stmt_inplace): Likewise.
3602
3603 2009-04-17  Richard Guenther  <rguenther@suse.de>
3604
3605         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
3606         (record_equivalences_from_stmt): Remove useless checks and
3607         simplifications.
3608         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
3609         the type is already suitable.
3610
3611 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
3612
3613         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
3614
3615 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
3616
3617         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
3618         (CMPtype): Define as __gcc_CMPtype.
3619
3620 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
3621
3622         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
3623         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
3624
3625 2009-04-17  Richard Guenther  <rguenther@suse.de>
3626
3627         PR tree-optimization/39746
3628         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
3629         special-casing for builtins and static variable use/def.
3630         (call_may_clobber_ref_p_1): Likewise.
3631
3632 2009-04-16  Ian Lance Taylor  <iant@google.com>
3633
3634         * df.h: Include "timevar.h".
3635         (struct df_problem): Change tv_id field to timevar_id_t.
3636         * tree-pass.h: Include "timevar.h".
3637         (struct opt_pass): Change tv_id field to timevar_id_t.
3638         * timevar.h (timevar_id_t): Define TV_NONE.
3639         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
3640         TV_NONE rather than tv_id != 0.
3641         (execute_one_pass): Likewise.
3642         * Makefile.in (DF_H): Add $(TIMEVAR_H).
3643         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
3644         dependencies to $(TREE_PASS_H).
3645         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
3646         to TV_NONE.
3647         (pass_branch_target_load_optimize2): Likewise.
3648         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
3649         (pass_outof_cfg_layout_mode): Likewise.
3650         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
3651         (pass_rebuild_cgraph_edges): Likewise.
3652         (pass_remove_cgraph_callee_edges): Likewise.
3653         * df-core.c (pass_df_initialize_opt): Likewise.
3654         (pass_df_initialize_no_opt): Likewise.
3655         (pass_df_finish): Likewise.
3656         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
3657         * except.c (pass_set_nothrow_function_flags): Likewise.
3658         (pass_convert_to_eh_region_ranges): Likewise.
3659         * final.c (pass_compute_alignments): Likewise.
3660         * function.c (pass_instantiate_virtual_regs): Likewise.
3661         (pass_init_function): Likewise.
3662         (pass_leaf_regs): Likewise.
3663         (pass_match_asm_constraints): Likewise.
3664         * gimple-low.c (pass_lower_cf): Likewise.
3665         (pass_mark_used_blocks): Likewise.
3666         * init-regs.c (pass_initialize_regs): Likewise.
3667         * integrate.c (pass_initial_value_sets): Likewise.
3668         * ira.c (pass_ira): Likewise.
3669         * jump.c (pass_cleanup_barriers): Likewise.
3670         * omp-low.c (pass_expand_omp): Likewise.
3671         (pass_lower_omp): Likewise.
3672         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
3673         * recog.c (pass_split_all_insns): Likewise.
3674         (pass_split_after_reload): Likewise.
3675         (pass_split_before_regstack): Likewise.
3676         (pass_split_before_sched2): Likewise.
3677         (pass_split_for_shorten_branches): Likewise.
3678         * reginfo.c (pass_reginfo_init): Likewise.
3679         (pass_subregs_of_mode_init): Likewise.
3680         (pass_subregs_of_mode_finish): Likewise.
3681         * passes.c (pass_postreload): Likewise.
3682         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
3683         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
3684         (pass_warn_function_return): Likewise.
3685         (pass_warn_function_noreturn): Likewise.
3686         * tree-complex.c (pass_lower_complex): Likewise.
3687         (pass_lower_complex_O0): Likewise.
3688         * tree-if-conv.c (pass_if_conversion): Likewise.
3689         * tree-into-ssa.c (pass_build_ssa): Likewise.
3690         * tree-mudflap.c (pass_mudflap_1): Likewise.
3691         (pass_mudflap_2): Likewise.
3692         * tree-nomudflap.c (pass_mudflap_1): Likewise.
3693         (pass_mudflap_2): Likewise.
3694         * tree-nrv.c (pass_return_slot): Likewise.
3695         * tree-object-size.c (pass_object_sizes): Likewise.
3696         * tree-optimize.c (pass_all_optimizations): Likewise.
3697         (pass_early_local_passes): Likewise.
3698         (pass_all_early_optimizations): Likewise.
3699         (pass_cleanup_cfg): Likewise.
3700         (pass_cleanup_cfg_post_optimizing): Likewise.
3701         (pass_free_datastructures): Likewise.
3702         (pass_free_cfg_annotations): Likewise.
3703         (pass_fixup_cfg): Likewise.
3704         (pass_init_datastructures): Likewise.
3705         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
3706         (pass_late_warn_uninitialized): Likewise.
3707         (pass_update_address_taken): Likewise.
3708         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
3709         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
3710         (pass_cse_sincos): Likewise.
3711         (pass_convert_to_rsqrt): Likewise.
3712         * tree-ssa-structalias.c (pass_build_alias): Likewise.
3713         * tree-stdarg.c (pass_stdarg): Likewise.
3714         * tree-tailcall.c (pass_tail_recursion): Likewise.
3715         (pass_tail_calls): Likewise.
3716         * tree-vect-generic.c (pass_lower_vector): Likewise.
3717         (pass_lower_vector_ssa): Likewise.
3718         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
3719
3720 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
3721
3722         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
3723         XLR entry.
3724         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
3725         Handle -march=xlr.
3726         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
3727         logical and signext.
3728
3729 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
3730
3731         PR target/39767
3732         * config/sh/predicates.md (arith_operand): Check if the operand
3733         of TRUNCATE is a REG.
3734
3735 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3736
3737         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
3738         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
3739
3740 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3741
3742         * tree-iterator.c (tsi_split_statement_list_after,
3743         tsi_split_statement_list_before): Remove.
3744         * tree-iterator.h: Remove the prototypes for
3745         tsi_split_statement_list_after and tsi_split_statement_list_before.
3746
3747 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3748
3749         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
3750         * tree-ssa-propagate.h: Remove the prototype for
3751         stmt_makes_single_load.
3752
3753 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3754
3755         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
3756         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
3757
3758 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3759
3760         * tree-iterator.c (EXPR_LAST_BODY): Remove.
3761
3762 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3763
3764         * except.c (eh_region_outer_p): Remove.
3765         * except.h: Remove the prototype for eh_region_outer_p.
3766
3767 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3768
3769         * function.c (current_function_assembler_name): Remove.
3770         * function.h: Remove the prototype for
3771         current_function_assembler_name.
3772
3773 2009-04-16  Ian Lance Taylor  <iant@google.com>
3774
3775         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
3776         (add_reg_note): Call alloc_reg_note.
3777         * rtl.h (alloc_reg_note): Declare.
3778         * combine.c (try_combine): Use alloc_reg_note.
3779         (recog_for_combine, move_deaths): Likewise.
3780         (distribute_notes): Use alloc_reg_note and add_reg_note.
3781         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
3782         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
3783         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
3784
3785 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
3786
3787         PR rtl-optimization/39762
3788         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
3789         ira_may_move_out_cost): Add comments about way of their usage.
3790         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
3791
3792         * ira-conflicts.c (process_regs_for_copy): Use function
3793         ira_get_register_move_cost instead of global
3794         ira_register_move_cost.
3795
3796         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
3797         color_pass, move_spill_restore, update_curr_costs): Ditto.
3798
3799         * ira-lives.c (process_single_reg_class_operands): Ditto.
3800
3801         * ira-emit.c (emit_move_list): Ditto.
3802
3803         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
3804         (record_reg_classes): Ditto.  Use functions
3805         ira_get_register_move_cost and ira_get_may_move_cost instead of
3806         global vars ira_register_move_cost, ira_may_move_out_cost and
3807         ira_may_move_in_cost.
3808         (record_address_regs): Don't call ira_init_register_move_cost.
3809         Use function ira_get_may_move_cost instead of global
3810         ira_may_move_in_cost.
3811         (process_bb_node_for_hard_reg_moves): Use function
3812         ira_get_register_move_cost instead of global ira_register_move_cost.
3813         (ira_costs): Don't call ira_init_register_move_cost.
3814
3815 2009-04-16  Richard Guenther  <rguenther@suse.de>
3816
3817         * tree-cfg.c (verify_gimple_assign_binary):
3818         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
3819         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
3820         (create_general_new_stmt): Note that this function is broken.
3821
3822 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
3823
3824         * common.opt (fhelp): Add Var(help_flag).
3825         * gcc-plugin.h (plugin_info): Add help.
3826         * plugin.c (plugin_name_args): Add help.
3827         (register_plugin_info): Set plugin->help.
3828         (print_help_one_plugin): New.
3829         (print_plugins_help): New.
3830         * plugin.h (print_plugins_help): New.
3831         * toplev.c (toplev_main): Call print_plugins_help if needed.
3832
3833 2009-04-16  Richard Guenther  <rguenther@suse.de>
3834
3835         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
3836         (gimple_ior_addresses_taken_1): New function.
3837         (gimple_ior_addresses_taken): Likewise.
3838         * gimple.h (struct gimple_statement_with_ops_base): Remove
3839         addresses_taken member.
3840         (gimple_ior_addresses_taken): Declare.
3841         (gimple_addresses_taken, gimple_addresses_taken_ptr,
3842         gimple_set_addresses_taken): Remove.
3843         * ipa-reference.c (mark_address): New function.
3844         (scan_stmt_for_static_refs): Use it for marking addresses taken.
3845         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
3846         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
3847         (gimple_add_to_addresses_taken): Remove.
3848         (get_tmr_operands): Call mark_address_taken.
3849         (get_asm_expr_operands): Likewise.
3850         (get_expr_operands): Likewise.
3851         (build_ssa_operands): Do not clear the addresses_taken bitmap.
3852         (free_stmt_operands): Do not free it.
3853         * tree-ssa.c (delete_tree_ssa): Likewise.
3854         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
3855
3856 2009-04-16  Richard Guenther  <rguenther@suse.de>
3857
3858         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
3859         (walk_stmt_load_store_ops): Likewise.
3860         * gimple.c (get_base_loadstore): New function.
3861         (walk_stmt_load_store_addr_ops): Likewise.
3862         (walk_stmt_load_store_ops): Likewise.
3863         * ipa-pure-const.c (check_op): Simplify.
3864         (check_load, check_store): New functions.
3865         (check_stmt): Use walk_stmt_load_store_ops.
3866         * ipa-reference.c (mark_load): Adjust signature.
3867         (mark_store): Likewise.
3868         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
3869
3870 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
3871
3872         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
3873         (plugin_info): New.
3874         * opts.c (common_handle_option): Don't call print_version.
3875         * plugin.c (plugin_name_args): Add version.
3876         (register_plugin_info): New.
3877         (register_callback): Handle PLUGIN_INFO.
3878         (try_init_one_plugin): New.
3879         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
3880         if failed to init.
3881         (finalize_one_plugin): New.
3882         (finalize_plugins): New.
3883         (print_one_plugin): New.
3884         (print_plugins_versions): New.
3885         * plugin.h (print_plugins_versions): New.
3886         (finalize_plugins): New.
3887         * toplev.c (compile_file): Don't call initialize_plugins.
3888         (print_version): Call print_plugins_versions.
3889         (toplev_main): Call initialize_plugins. Print version if needed.
3890         Call finalize_plugins.
3891
3892 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
3893
3894         * common.opt (fversion): New.
3895         * gcc.c (print_version): New.
3896         (process_command): Don't print the version. Just set print_version.
3897         (main): Print version. Call subprocesses if print_version and
3898         verbose_flag are set.
3899         * opts.c (common_handle_option): Handle OPT_fversion.
3900
3901 2009-04-16  Richard Guenther  <rguenther@suse.de>
3902             Ira Rosen  <irar@il.ibm.com>
3903
3904         PR tree-optimization/39698
3905         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
3906         type of the reduction variable.  Only generate the def if
3907         it is needed.
3908
3909         * omp-low.c (expand_omp_for_generic): When converting to a pointer
3910         make sure to first convert to an integer of the same precision.
3911         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
3912         the type of the evolution correctly in computing the new
3913         induction variable base.
3914
3915 2009-04-16  Richard Guenther  <rguenther@suse.de>
3916
3917         PR middle-end/39625
3918         * tree-cfg.c (make_blocks): Split statements with to-be
3919         abnormal SSA names on the lhs.
3920
3921 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
3922
3923         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
3924         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
3925         * c-typeck.c (really_start_incremental_init): Likewise.
3926         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
3927         (TARGET_INITIALIZER): Remove it.
3928         * target.h (struct target): Remove vector_opaque_p.
3929         * tree.c (build_opaque_vector_type): New.
3930         * tree.h (TYPE_VECTOR_OPAQUE): New.
3931         (build_opaque_vector_type): Declare.
3932         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
3933         * config/rs6000/rs6000.c (build_opaque_vector_type,
3934         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
3935         (rs6000_init_builtins): Use build_opaque_vector_type for
3936         opaque_V4SI_type_node.
3937
3938 2009-04-15  Catherine Moore  <clm@codesourcery.com>
3939
3940         * debug.h (set_name):  Declare.
3941         * dwarf2out.c (dwarf2out_set_name): Declare.
3942         (dwarf2_debug_hooks): Add set_name.
3943         (find_AT_string): New.
3944         (add_AT_string): Call find_AT_string.
3945         (dwarf2out_set_name): New.
3946         * cp/decl.c (grokdeclarator): Call set_name.
3947         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
3948         * debug.c (do_nothing_debug_hooks):  Likewise.
3949         * dbxout.c (dbx_debug_hooks): Likewise.
3950         * sdbout.c (sdb_debug_hooks): Likewise.
3951
3952 2009-04-15  Michael Eager  <eager@eagercon.com>
3953
3954         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
3955         reg for single-precision FPU.
3956         * config/rs6000/rs6000.md (movsi_internal1): Only for
3957         !TARGET_SINGLE_FPU.
3958         (movsi_internal1_single): New. Add pattern to move SI values to/from
3959         single-precision FP regs.
3960
3961 2009-04-15  Richard Guenther  <rguenther@suse.de>
3962
3963         * omp-low.c (lower_rec_input_clauses): Build correct address
3964         expressions.
3965         (expand_omp_for_generic): Fix multiplication type.
3966         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
3967         (generate_memset_zero): Fix types.
3968         * tree-profile.c (prepare_instrumented_value): Correctly
3969         widen a pointer.
3970
3971 2009-04-15  Ian Lance Taylor  <iant@google.com>
3972
3973         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
3974         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
3975         for -Wall and for -Wc++-compat.
3976         (c_common_post_options): For C++, set warn_enum_compare if not
3977         already set.
3978         * c-tree.h (struct c_expr): Add field original_type.
3979         (build_external_ref): Update declaration.
3980         * c-parser.c (c_parser_braced_init): Set original_type.
3981         (c_parser_initelt): Likewise.
3982         (c_parser_expr_no_commas): Likewise.
3983         (c_parser_conditional_expression): Likewise.
3984         (c_parser_cast_expression): Likewise.
3985         (c_parser_unary_expression): Likewise.  Pull setting of
3986         original_code to top of function.
3987         (c_parser_sizeof_expression): Set original_type.
3988         (c_parser_alignof_expression): Likewise.
3989         (c_parser_postfix_expression): Likewise.  Pull setting of
3990         original_code to top of function.
3991         (c_parser_postfix_expression_after_paren_type): Set original_type.
3992         (c_parser_postfix_expression_after_primary): Likewise.
3993         (c_parser_expression): Likewise.
3994         * c-typeck.c (build_external_ref): Add type parameter.  Change all
3995         callers.
3996         (c_expr_sizeof_expr): Set original_type field.
3997         (parser_build_unary_op): Likewise.
3998         (parser_build_binary_op): Likewise.  Optionally warn about
3999         comparisons of enums of different types.
4000         (digest_init): Set original_type field.
4001         (really_start_incremental_init): Likewise.
4002         (push_init_level, pop_init_level): Likewise.
4003         * doc/invoke.texi (Warning Options): -Wenum-compare now
4004         supported in C.
4005
4006 2009-04-15  Richard Guenther  <rguenther@suse.de>
4007
4008         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
4009         out a necessary conversion.
4010         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
4011         names we didn't value number.
4012         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
4013
4014 2009-04-15  Richard Guenther  <rguenther@suse.de>
4015
4016         PR tree-optimization/39764
4017         * tree-ssa-ccp.c (get_value): Canonicalize value with
4018         canonicalize_float_value.
4019
4020 2009-04-15  Jan Hubicka  <jh@suse.cz>
4021
4022         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
4023         Wrong version of patch.
4024
4025 2009-04-15  Jan Hubicka  <jh@suse.cz>
4026
4027         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
4028
4029 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
4030
4031         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
4032         our distinct integral and vector types.
4033
4034 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
4035
4036         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
4037         * init.c (build_vtbl_address): Remove call to assemble_external.
4038
4039 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
4040
4041         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
4042         output for other floating point modes.
4043
4044 2009-04-14  Diego Novillo  <dnovillo@google.com>
4045
4046         * diagnostic.c (diagnostic_report_diagnostic): Do not
4047         warn about loaded plugins for DK_ERROR and DK_WARNING.
4048         * c-decl.c (declspecs_add_type): Move call to
4049         invoke_plugin_callbacks ...
4050         * c-parser.c (c_parser_declspecs): ... here.
4051         * plugin.c (dump_active_plugins): Tidy output.
4052
4053 2009-04-14  Diego Novillo  <dnovillo@google.com>
4054             Le-Chun Wu  <lcwu@google.com>
4055
4056         * configure.ac: Add --enable-plugin support.
4057         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
4058         * Makefile.in (PLUGIN_H): Define.
4059         Export ENABLE_PLUGIN and GMPINC to site.exp.
4060         Add PLUGINLIBS to link command.
4061         Add/modify dependencies for plugin.o and files including plugin.h.
4062         (plugin.o): New.
4063         * config.in: Regenerate.
4064
4065         * opts.c (common_handle_option): Handle OPT_fplugin_ and
4066         OPT_fplugin_arg_.
4067
4068 2009-04-14  Le-Chun Wu  <lcwu@google.com>
4069
4070         * tree-pass.h (register_one_dump_file): Add a prototype for
4071         register_one_dump_file.
4072         * toplev.c (compile_file): Call initialize_plugins.
4073         (do_compile): Call invoke_plugin_callbacks.
4074         (toplev_main): Call invoke_plugin_callbacks.
4075         * common.opt: Add -fplugin= and -fplugin-arg-.
4076         * gcc-plugin.h: New public header file for plugins to include.
4077         * plugin.c: New source file.
4078         * plugin.h: New internal header file.
4079         * passes.c (register_one_dump_file): Make it external.
4080
4081         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
4082
4083 2009-04-14  Diego Novillo  <dnovillo@google.com>
4084
4085         * doc/plugins.texi: New.
4086         * doc/gccint.texi: Add reference to Plugins chapter.
4087         * doc/invoke.texi: Document -fplugin and -fplugin-arg
4088         * diagnostic.c (diagnostic_report_diagnostic): Warn about
4089         loaded plugins, if any.
4090         * timevar.def (TV_PLUGIN_INIT): Define.
4091         (TV_PLUGIN_RUN): Define.
4092         * plugin.c: Include timevar.h
4093         (plugins_active_p): New.
4094         (dump_active_plugins): New.
4095         (debug_active_plugins): New.
4096
4097 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
4098
4099         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
4100         library paths.
4101         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
4102
4103 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
4104
4105         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
4106         the same as a minus without a shift.
4107
4108 2009-04-14  Nick Clifton  <nickc@redhat.com>
4109
4110         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
4111         comparisons with small integers will always produce a short
4112         branch.
4113
4114 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
4115
4116         Merge:
4117         2008-12-19  Diego Novillo  <dnovillo@google.com>
4118
4119         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
4120
4121 2009-04-14  Richard Guenther  <rguenther@suse.de>
4122
4123         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
4124         verification.
4125         (verify_gimple_assign_binary): Likewise.  Handle shifts and
4126         rotates correctly.
4127         (verify_gimple_phi): Print the mismatched argument position.
4128         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
4129         Fix types.
4130         (vect_update_init_of_dr): Likewise.
4131         * matrix-reorg.c (transform_access_sites): Do what the
4132         comment suggests.
4133         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
4134
4135 2009-04-13  Michael Eager  <eager@eagercon.com>
4136
4137         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
4138         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
4139         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
4140         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
4141         remove duplicate config
4142
4143 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4144
4145         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
4146         file_name:line_number type locator of the call site.
4147
4148 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
4149
4150         * genautomata.c: Put blank after comma.
4151         (automaton_decls): New.
4152         (struct unit_usage): Add comments to member next.
4153         (store_alt_unit_usage): Keep the list ordered.
4154         (unit_present_on_list_p, equal_alternatives_p): New.
4155         (check_regexp_units_distribution): Check units distribution
4156         correctness correctly.
4157         (main): Don't write automata if error is found.  Return correct
4158         exit code.
4159
4160         * config/m68k/cf.md (cfv4_ds): Remove.
4161         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
4162         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
4163
4164         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
4165         power4-load-ext, power4-store, power4-store-update,
4166         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
4167         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
4168         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
4169         power4-sqrt, power4-isync): Modify reservation to make correct
4170         unit distribution to automata.
4171
4172         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
4173         power5-store-update, power5-two, power5-three, power5-lmul,
4174         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
4175
4176 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
4177
4178         * except.c (pass_set_nothrow_function_flags): Set name and add
4179         TODO_dump_func.
4180         (set_nothrow_function_flags): Mention in the dump file when
4181         changing a function to nothrow.
4182
4183 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
4184
4185         PR/39066
4186         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
4187         instead of unsigned long.
4188
4189 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4190
4191         * config/arm/arm.c (return_used_this_function): Remove.
4192         (arm_output_function_prologue): Remove use of
4193         return_used_this_function.
4194         (output_return_instruction): Replace use of
4195         return_used_this_function
4196         by cfun->machine->return_used_this_function.
4197         (arm_output_epilogue): Likewise.
4198         (arm_output_function_epilogue): Likewise.
4199         (thumb_unexpanded_epilogue): Likewise.
4200         * config/arm/arm.h (struct machine_function):
4201         New member return_used_this_function.
4202
4203 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
4204
4205         * doc/install.texi: Correct description of default directory for
4206         --with-gxx-include-dir.
4207
4208 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
4209
4210         * fold-const.c (build_range_check): Properly deal with enumeral and
4211         boolean base types.
4212
4213 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
4214
4215         * doc/invoke.texi (max_gcse_passes): Remove documentation.
4216         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
4217         * params.h (MAX_GCSE_PASSES): Remove.
4218         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
4219         in sequence.  Remove ability to run multiple passes.
4220         (bypass_jumps): Report run as third CPROP pass.
4221
4222 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
4223
4224         PR middle-end/39651
4225         * except.c (can_throw_external): Look at each insn in a SEQUENCE
4226         when deciding whether the whole SEQUENCE can throw.
4227
4228 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
4229
4230         PR target/39740
4231         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
4232         offseted label references.
4233
4234 2009-04-11  Jan Hubicka  <jh@suse.cz>
4235
4236         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
4237
4238 2009-04-11  Richard Guenther  <rguenther@suse.de>
4239
4240         PR middle-end/39732
4241         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
4242         return variables as TREE_ADDRESSABLE.
4243
4244 2009-04-11  Richard Guenther  <rguenther@suse.de>
4245
4246         PR tree-optimization/39713
4247         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
4248         reference trees have SSA_NAME operands.
4249
4250 2009-04-11  Richard Guenther  <rguenther@suse.de>
4251
4252         PR c/39712
4253         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
4254         address expressions.
4255
4256 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
4257
4258         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
4259         match changes in Cygwin 1.7
4260         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
4261         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
4262
4263 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
4264
4265         PR tree-optimization/39701
4266         * doc/invoke.texi (Optimization Options): Document change in
4267         meaning and initialization of -fdelete-null-pointer-checks.
4268
4269 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
4270
4271         PR middle-end/39701
4272         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
4273
4274         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
4275         here.
4276
4277         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
4278
4279 2009-04-10  Chao-ying Fu  <fu@mips.com>
4280
4281         * doc/tm.texi (Instruction Output): Document
4282         TARGET_ASM_FINAL_POSTSCAN_INSN.
4283         * target.h (final_postscan_insn): New field in asm_out.
4284         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
4285         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
4286         * final.c (final_scan_insn): Call
4287         targetm.asm_out.final_postscan_insn after outputting
4288         an asm macro and a normal instruction.
4289
4290         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
4291         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
4292         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
4293         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
4294         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
4295
4296 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
4297
4298         PR middle-end/39701
4299         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
4300         variables as non-NULL even with -fdelete-null-pointer-checks.
4301
4302 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
4303
4304         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
4305
4306 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4307
4308         PR target/39678
4309         * config/i386/i386.c (classify_argument): Handle SCmode with
4310         (bit_offset % 64) != 0.
4311
4312 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
4313
4314         * doc/invoke.texi (Optimize Options): Add cross-reference to
4315         -Q --help=optimizers examples.
4316
4317 2009-04-10  Ben Elliston  <bje@au.ibm.com>
4318
4319         PR target/36800
4320         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
4321         regalign for the reg == fpr and TDmode case.
4322
4323 2009-04-09  David Ayers  <ayers@fsfe.org>
4324
4325         PR objc/29200
4326         * objc/objc-act.c (warn_with_method): Remove helper function.
4327         (check_duplicates): Call warning and inform directly.
4328         (really_start_method): Likewise.
4329
4330 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
4331
4332         * expmed.c (expand_divmod): Always use a comparison for a division
4333         by a large unsigned integer.
4334
4335         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
4336         for things others than variables or functions as nonzero.
4337
4338 2009-04-09  Nick Clifton  <nickc@redhat.com>
4339
4340         * unwind-compat.c: Change copyright header to refer to version
4341         3 of the GNU General Public License with version 3.1 of the
4342         GCC Runtime Library Exception and to point readers at the
4343         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
4344         * config/alpha/crtfastmath.c: Likewise.
4345         * config/alpha/linux-unwind.h: Likewise.
4346         * config/alpha/qrnnd.asm: Likewise.
4347         * config/alpha/vms-crt0-64.c: Likewise.
4348         * config/alpha/vms-crt0.c: Likewise.
4349         * config/alpha/vms-dwarf2.asm: Likewise.
4350         * config/alpha/vms-dwarf2eh.asm: Likewise.
4351         * config/alpha/vms-psxcrt0-64.c: Likewise.
4352         * config/alpha/vms-psxcrt0.c: Likewise.
4353         * config/alpha/vms_tramp.asm: Likewise.
4354         * config/arc/initfini.c: Likewise.
4355         * config/arc/lib1funcs.asm: Likewise.
4356         * config/arm/bpabi-v6m.S: Likewise.
4357         * config/arm/bpabi.S: Likewise.
4358         * config/arm/bpabi.c: Likewise.
4359         * config/arm/crti.asm: Likewise.
4360         * config/arm/crtn.asm: Likewise.
4361         * config/arm/ieee754-df.S: Likewise.
4362         * config/arm/ieee754-sf.S: Likewise.
4363         * config/arm/lib1funcs.asm: Likewise.
4364         * config/arm/libunwind.S: Likewise.
4365         * config/arm/linux-atomic.c: Likewise.
4366         * config/arm/mmintrin.h: Likewise.
4367         * config/arm/pr-support.c: Likewise.
4368         * config/arm/unaligned-funcs.c: Likewise.
4369         * config/arm/unwind-arm.c: Likewise.
4370         * config/arm/unwind-arm.h: Likewise.
4371         * config/avr/libgcc.S: Likewise.
4372         * config/bfin/crti.s: Likewise.
4373         * config/bfin/crtlibid.s: Likewise.
4374         * config/bfin/crtn.s: Likewise.
4375         * config/bfin/lib1funcs.asm: Likewise.
4376         * config/bfin/linux-unwind.h: Likewise.
4377         * config/cris/arit.c: Likewise.
4378         * config/cris/cris_abi_symbol.c: Likewise.
4379         * config/darwin-64.c: Likewise.
4380         * config/darwin-crt2.c: Likewise.
4381         * config/darwin-crt3.c: Likewise.
4382         * config/darwin.h: Likewise.
4383         * config/dbxelf.h: Likewise.
4384         * config/dfp-bit.c: Likewise.
4385         * config/dfp-bit.h: Likewise.
4386         * config/elfos.h: Likewise.
4387         * config/fixed-bit.c: Likewise.
4388         * config/fixed-bit.h: Likewise.
4389         * config/fp-bit.c: Likewise.
4390         * config/fp-bit.h: Likewise.
4391         * config/fr30/crti.asm: Likewise.
4392         * config/fr30/crtn.asm: Likewise.
4393         * config/fr30/lib1funcs.asm: Likewise.
4394         * config/freebsd-spec.h: Likewise.
4395         * config/frv/cmovd.c: Likewise.
4396         * config/frv/cmovh.c: Likewise.
4397         * config/frv/cmovw.c: Likewise.
4398         * config/frv/frvbegin.c: Likewise.
4399         * config/frv/frvend.c: Likewise.
4400         * config/frv/lib1funcs.asm: Likewise.
4401         * config/glibc-stdint.h: Likewise.
4402         * config/h8300/clzhi2.c: Likewise.
4403         * config/h8300/crti.asm: Likewise.
4404         * config/h8300/crtn.asm: Likewise.
4405         * config/h8300/ctzhi2.c: Likewise.
4406         * config/h8300/fixunssfsi.c: Likewise.
4407         * config/h8300/lib1funcs.asm: Likewise.
4408         * config/h8300/parityhi2.c: Likewise.
4409         * config/h8300/popcounthi2.c: Likewise.
4410         * config/i386/ammintrin.h: Likewise.
4411         * config/i386/att.h: Likewise.
4412         * config/i386/avxintrin.h: Likewise.
4413         * config/i386/biarch64.h: Likewise.
4414         * config/i386/bmmintrin.h: Likewise.
4415         * config/i386/cpuid.h: Likewise.
4416         * config/i386/cross-stdarg.h: Likewise.
4417         * config/i386/crtfastmath.c: Likewise.
4418         * config/i386/crtprec.c: Likewise.
4419         * config/i386/cygming-crtbegin.c: Likewise.
4420         * config/i386/cygming-crtend.c: Likewise.
4421         * config/i386/cygwin.asm: Likewise.
4422         * config/i386/emmintrin.h: Likewise.
4423         * config/i386/gmm_malloc.h: Likewise.
4424         * config/i386/gthr-win32.c: Likewise.
4425         * config/i386/i386.h: Likewise.
4426         * config/i386/immintrin.h: Likewise.
4427         * config/i386/linux-unwind.h: Likewise.
4428         * config/i386/linux64.h: Likewise.
4429         * config/i386/mm3dnow.h: Likewise.
4430         * config/i386/mmintrin-common.h: Likewise.
4431         * config/i386/mmintrin.h: Likewise.
4432         * config/i386/nmmintrin.h: Likewise.
4433         * config/i386/pmm_malloc.h: Likewise.
4434         * config/i386/pmmintrin.h: Likewise.
4435         * config/i386/smmintrin.h: Likewise.
4436         * config/i386/sol2-c1.asm: Likewise.
4437         * config/i386/sol2-ci.asm: Likewise.
4438         * config/i386/sol2-cn.asm: Likewise.
4439         * config/i386/sol2-gc1.asm: Likewise.
4440         * config/i386/tmmintrin.h: Likewise.
4441         * config/i386/unix.h: Likewise.
4442         * config/i386/w32-unwind.h: Likewise.
4443         * config/i386/wmmintrin.h: Likewise.
4444         * config/i386/x86-64.h: Likewise.
4445         * config/i386/x86intrin.h: Likewise.
4446         * config/i386/xmmintrin.h: Likewise.
4447         * config/ia64/crtbegin.asm: Likewise.
4448         * config/ia64/crtend.asm: Likewise.
4449         * config/ia64/crtfastmath.c: Likewise.
4450         * config/ia64/crti.asm: Likewise.
4451         * config/ia64/crtn.asm: Likewise.
4452         * config/ia64/fde-glibc.c: Likewise.
4453         * config/ia64/lib1funcs.asm: Likewise.
4454         * config/ia64/linux-unwind.h: Likewise.
4455         * config/ia64/quadlib.c: Likewise.
4456         * config/ia64/unwind-ia64.c: Likewise.
4457         * config/linux.h: Likewise.
4458         * config/m32c/m32c-lib1.S: Likewise.
4459         * config/m32c/m32c-lib2-trapv.c: Likewise.
4460         * config/m32c/m32c-lib2.c: Likewise.
4461         * config/m32r/initfini.c: Likewise.
4462         * config/m68hc11/larith.asm: Likewise.
4463         * config/m68hc11/m68hc11-crt0.S: Likewise.
4464         * config/m68k/cf.md: Likewise.
4465         * config/m68k/crti.s: Likewise.
4466         * config/m68k/crtn.s: Likewise.
4467         * config/m68k/lb1sf68.asm: Likewise.
4468         * config/m68k/linux-unwind.h: Likewise.
4469         * config/mcore/crti.asm: Likewise.
4470         * config/mcore/crtn.asm: Likewise.
4471         * config/mcore/lib1.asm: Likewise.
4472         * config/mips/linux-unwind.h: Likewise.
4473         * config/mips/loongson.h: Likewise.
4474         * config/mips/mips16.S: Likewise.
4475         * config/mmix/crti.asm: Likewise.
4476         * config/mmix/crtn.asm: Likewise.
4477         * config/pa/fptr.c: Likewise.
4478         * config/pa/hpux-unwind.h: Likewise.
4479         * config/pa/lib2funcs.asm: Likewise.
4480         * config/pa/linux-atomic.c: Likewise.
4481         * config/pa/linux-unwind.h: Likewise.
4482         * config/pa/milli64.S: Likewise.
4483         * config/pa/quadlib.c: Likewise.
4484         * config/pa/stublib.c: Likewise.
4485         * config/picochip/libgccExtras/adddi3.asm: Likewise.
4486         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
4487         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
4488         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
4489         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
4490         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
4491         * config/picochip/libgccExtras/divmod15.asm: Likewise.
4492         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
4493         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
4494         * config/picochip/libgccExtras/longjmp.asm: Likewise.
4495         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
4496         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
4497         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
4498         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
4499         * config/picochip/libgccExtras/setjmp.asm: Likewise.
4500         * config/picochip/libgccExtras/subdi3.asm: Likewise.
4501         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
4502         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
4503         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
4504         * config/rs6000/750cl.h: Likewise.
4505         * config/rs6000/altivec.h: Likewise.
4506         * config/rs6000/biarch64.h: Likewise.
4507         * config/rs6000/crtresfpr.asm: Likewise.
4508         * config/rs6000/crtresgpr.asm: Likewise.
4509         * config/rs6000/crtresxfpr.asm: Likewise.
4510         * config/rs6000/crtresxgpr.asm: Likewise.
4511         * config/rs6000/crtsavfpr.asm: Likewise.
4512         * config/rs6000/crtsavgpr.asm: Likewise.
4513         * config/rs6000/darwin-asm.h: Likewise.
4514         * config/rs6000/darwin-fallback.c: Likewise.
4515         * config/rs6000/darwin-fpsave.asm: Likewise.
4516         * config/rs6000/darwin-ldouble.c: Likewise.
4517         * config/rs6000/darwin-tramp.asm: Likewise.
4518         * config/rs6000/darwin-unwind.h: Likewise.
4519         * config/rs6000/darwin-vecsave.asm: Likewise.
4520         * config/rs6000/darwin-world.asm: Likewise.
4521         * config/rs6000/e500crtres32gpr.asm: Likewise.
4522         * config/rs6000/e500crtres64gpr.asm: Likewise.
4523         * config/rs6000/e500crtres64gprctr.asm: Likewise.
4524         * config/rs6000/e500crtrest32gpr.asm: Likewise.
4525         * config/rs6000/e500crtrest64gpr.asm: Likewise.
4526         * config/rs6000/e500crtresx32gpr.asm: Likewise.
4527         * config/rs6000/e500crtresx64gpr.asm: Likewise.
4528         * config/rs6000/e500crtsav32gpr.asm: Likewise.
4529         * config/rs6000/e500crtsav64gpr.asm: Likewise.
4530         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
4531         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
4532         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
4533         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
4534         * config/rs6000/eabi-ci.asm: Likewise.
4535         * config/rs6000/eabi-cn.asm: Likewise.
4536         * config/rs6000/eabi.asm: Likewise.
4537         * config/rs6000/linux-unwind.h: Likewise.
4538         * config/rs6000/linux64.h: Likewise.
4539         * config/rs6000/paired.h: Likewise.
4540         * config/rs6000/paired.md: Likewise.
4541         * config/rs6000/ppc64-fp.c: Likewise.
4542         * config/rs6000/ppu_intrinsics.h: Likewise.
4543         * config/rs6000/rs6000.h: Likewise.
4544         * config/rs6000/si2vmx.h: Likewise.
4545         * config/rs6000/sol-ci.asm: Likewise.
4546         * config/rs6000/sol-cn.asm: Likewise.
4547         * config/rs6000/spe.h: Likewise.
4548         * config/rs6000/spu2vmx.h: Likewise.
4549         * config/rs6000/sysv4.h: Likewise.
4550         * config/rs6000/tramp.asm: Likewise.
4551         * config/rs6000/vec_types.h: Likewise.
4552         * config/s390/linux-unwind.h: Likewise.
4553         * config/s390/tpf-unwind.h: Likewise.
4554         * config/score/crti.asm: Likewise.
4555         * config/score/crtn.asm: Likewise.
4556         * config/sh/crt1.asm: Likewise.
4557         * config/sh/crti.asm: Likewise.
4558         * config/sh/crtn.asm: Likewise.
4559         * config/sh/divtab-sh4-300.c: Likewise.
4560         * config/sh/divtab-sh4.c: Likewise.
4561         * config/sh/divtab.c: Likewise.
4562         * config/sh/lib1funcs-4-300.asm: Likewise.
4563         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
4564         * config/sh/lib1funcs.asm: Likewise.
4565         * config/sh/lib1funcs.h: Likewise.
4566         * config/sh/linux-atomic.asm: Likewise.
4567         * config/sh/linux-unwind.h: Likewise.
4568         * config/sh/shmedia.h: Likewise.
4569         * config/sh/sshmedia.h: Likewise.
4570         * config/sh/ushmedia.h: Likewise.
4571         * config/sparc/crtfastmath.c: Likewise.
4572         * config/sparc/linux-unwind.h: Likewise.
4573         * config/sparc/sol2-c1.asm: Likewise.
4574         * config/sparc/sol2-ci.asm: Likewise.
4575         * config/sparc/sol2-cn.asm: Likewise.
4576         * config/spu/divmodti4.c: Likewise.
4577         * config/spu/divv2df3.c: Likewise.
4578         * config/spu/float_disf.c: Likewise.
4579         * config/spu/float_unsdidf.c: Likewise.
4580         * config/spu/float_unsdisf.c: Likewise.
4581         * config/spu/float_unssidf.c: Likewise.
4582         * config/spu/mfc_multi_tag_release.c: Likewise.
4583         * config/spu/mfc_multi_tag_reserve.c: Likewise.
4584         * config/spu/mfc_tag_release.c: Likewise.
4585         * config/spu/mfc_tag_reserve.c: Likewise.
4586         * config/spu/mfc_tag_table.c: Likewise.
4587         * config/spu/multi3.c: Likewise.
4588         * config/spu/spu_internals.h: Likewise.
4589         * config/spu/spu_intrinsics.h: Likewise.
4590         * config/spu/spu_mfcio.h: Likewise.
4591         * config/spu/vec_types.h: Likewise.
4592         * config/spu/vmx2spu.h: Likewise.
4593         * config/stormy16/stormy16-lib2.c: Likewise.
4594         * config/svr4.h: Likewise.
4595         * config/sync.c: Likewise.
4596         * config/v850/lib1funcs.asm: Likewise.
4597         * config/vxlib-tls.c: Likewise.
4598         * config/vxlib.c: Likewise.
4599         * config/vxworks-dummy.h: Likewise.
4600         * config/xtensa/crti.asm: Likewise.
4601         * config/xtensa/crtn.asm: Likewise.
4602         * config/xtensa/ieee754-df.S: Likewise.
4603         * config/xtensa/ieee754-sf.S: Likewise.
4604         * config/xtensa/lib1funcs.asm: Likewise.
4605         * config/xtensa/lib2funcs.S: Likewise.
4606         * config/xtensa/linux-unwind.h: Likewise.
4607         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
4608         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
4609         * coretypes.h: Likewise.
4610         * crtstuff.c: Likewise.
4611         * defaults.h: Likewise.
4612         * dwarf2.h: Likewise.
4613         * emutls.c: Likewise.
4614         * gbl-ctors.h: Likewise.
4615         * gcov-io.h: Likewise.
4616         * ginclude/float.h: Likewise.
4617         * ginclude/iso646.h: Likewise.
4618         * ginclude/stdarg.h: Likewise.
4619         * ginclude/stdbool.h: Likewise.
4620         * ginclude/stddef.h: Likewise.
4621         * ginclude/stdfix.h: Likewise.
4622         * ginclude/stdint-gcc.h: Likewise.
4623         * ginclude/tgmath.h: Likewise.
4624         * gthr-aix.h: Likewise.
4625         * gthr-dce.h: Likewise.
4626         * gthr-gnat.c: Likewise.
4627         * gthr-gnat.h: Likewise.
4628         * gthr-lynx.h: Likewise.
4629         * gthr-mipssde.h: Likewise.
4630         * gthr-nks.h: Likewise.
4631         * gthr-posix.c: Likewise.
4632         * gthr-posix.h: Likewise.
4633         * gthr-posix95.h: Likewise.
4634         * gthr-rtems.h: Likewise.
4635         * gthr-single.h: Likewise.
4636         * gthr-solaris.h: Likewise.
4637         * gthr-tpf.h: Likewise.
4638         * gthr-vxworks.h: Likewise.
4639         * gthr-win32.h: Likewise.
4640         * gthr.h: Likewise.
4641         * libgcc2.c: Likewise.
4642         * libgcc2.h: Likewise.
4643         * libgcov.c: Likewise.
4644         * tsystem.h: Likewise.
4645         * typeclass.h: Likewise.
4646         * unwind-c.c: Likewise.
4647         * unwind-compat.h: Likewise.
4648         * unwind-dw2-fde-compat.c: Likewise.
4649         * unwind-dw2-fde-darwin.c: Likewise.
4650         * unwind-dw2-fde-glibc.c: Likewise.
4651         * unwind-dw2-fde.c: Likewise.
4652         * unwind-dw2-fde.h: Likewise.
4653         * unwind-dw2.c: Likewise.
4654         * unwind-dw2.h: Likewise.
4655         * unwind-generic.h: Likewise.
4656         * unwind-pe.h: Likewise.
4657         * unwind-sjlj.c: Likewise.
4658         * unwind.inc: Likewise.
4659         * config/arm/neon-gen.ml: Change generated copyright header to
4660         refer to version 3 of the GNU General Public License with
4661         version 3.1 of the GCC Runtime Library Exception and to point
4662         readers at the COPYING3 and COPYING3.RUNTIME files and the
4663         FSF's license web page.
4664         * config/arm/arm_neon.h: Regenerate.
4665
4666 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
4667
4668         * config/cris/cris.md: Change copyright header to refer to version
4669         3 of the GNU General Public License.
4670         * doc/install.texi2html: Change copyright header to refer to version
4671         3 of the GNU General Public License and to point readers at the
4672         COPYING3 file and the FSF's license web page.
4673         * config/vax/linux.h: Likewise.
4674
4675 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
4676
4677         * config/i386/i386.md (cmpcc): New.
4678         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
4679         (sync_compare_and_swap_cc*): Delete.
4680
4681         * config/s390/s390.c (s390_compare_emitted): Remove.
4682         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
4683         s390_compare_emitted used to be handled.  Assert that modes match.
4684         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
4685         refer to sync_compare_and_swap_ccsi.
4686         * config/s390/s390.h (s390_compare_emitted): Remove.
4687         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
4688         instead of s390_compare_emitted.
4689         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
4690         instead of s390_compare_emitted.
4691         * config/s390/s390.md (cmpcc): New.
4692         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
4693         CC_REGNUM, do not pretend it's set.
4694         (sync_compare_and_swap_cc*): Delete.
4695         * config/s390/predicates.md (cc_reg_operand): New.
4696
4697         * expr.c (sync_compare_and_swap_cc): Delete.
4698         * optabs.h (sync_compare_and_swap_cc): Delete.
4699         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
4700         is being used with can_compare_p.
4701         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
4702         (find_cc_set): New.
4703         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
4704         look for a MODE_CC set instead.  Use emit_store_flag.
4705         (expand_compare_and_swap_loop): Likewise, with some additional
4706         complication to avoid a force_reg when useless.  Use
4707         emit_cmp_and_jump_insns.
4708         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
4709         * doc/md.texi (sync_compare_and_swap_cc): Merge with
4710         sync_compare_and_swap documentation.
4711
4712 2009-04-09  Jan Hubicka  <jh@suse.cz>
4713
4714         * except.c (find_prev_try): Break out from ....
4715         (duplicate_eh_regions): ... here; properly update prev_try pointers
4716         when duplication part of tree.
4717         (dump_eh_tree): Improve dumping.
4718         (verify_eh_region): New.
4719         (verify_eh_tree): Use it.
4720
4721 2009-04-06  Richard Guenther  <rguenther@suse.de>
4722
4723         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
4724         &ARRAY addresses by adjusting their types and prepending
4725         a conversion.
4726         * tree-cfg.c (verify_gimple_assign_single): Verify that
4727         addresses are correct.
4728
4729 2009-04-09  Richard Guenther  <rguenther@suse.de>
4730
4731         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
4732         indices into an array reference if possible.
4733         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
4734         Fold POINTER_PLUS_EXPR statements with invariant address.
4735
4736 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
4737
4738         PR target/39634
4739         * config.gcc (powerpc64-*-linux*): Always build biarch.
4740
4741 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
4742
4743         PR c/39613
4744         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
4745         it and pedwarn if this results in an INTEGER_CST.
4746
4747 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4748
4749         * doc/install.texi: Update minimum GMP version.  Remove obsolete
4750         text in MPFR section.
4751
4752 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
4753
4754         * dwarf2out.c (class_scope_p): New static inline.
4755         (class_or_namespace_scope_p): Use it.
4756         (gen_variable_die): Use DW_TAG_member tag for static data member
4757         declarations instead of DW_TAG_variable.
4758
4759         PR middle-end/39573
4760         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
4761         variables.
4762
4763 2009-04-08  Richard Guenther  <rguenther@suse.de>
4764
4765         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
4766         valueize random data.
4767
4768 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
4769
4770         * config.gcc (aix tm_file):  Add aix-stdint.h.
4771         (aix tm clause use_gcc_stdint):  Set to wrap.
4772         * config/rs6000/aix-stdint.h:  New file.
4773
4774 2009-04-08  Richard Guenther  <rguenther@suse.de>
4775
4776         PR middle-end/36291
4777         * tree-dfa.c (add_referenced_var): Do not recurse into
4778         global initializers.
4779         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
4780         exposed variables.
4781         (fold_const_aggregate_ref): Likewise.
4782
4783 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
4784
4785         * recog.c (ordered_comparison_operator): New.
4786         * gensupport.c (std_preds): Add it.
4787         * doc/md.texi (Machine-Independent Predicates): Document it.
4788
4789 2009-04-08  Jan Hubicka  <jh@suse.cz>
4790
4791         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
4792         * function.h (rtl_eh): Remove exception_handler_label_map.
4793         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
4794         remove_exception_handler_label, for_each_eh_label_1): Remove.
4795         (rtl_remove_unreachable_regions): Remove.
4796         (convert_from_eh_region_ranges): Do not remove unreachable regions.
4797         (find_exception_handler_labels): Don't build the hashtable.
4798         (maybe_remove_eh_handler): Remove.
4799         (for_each_eh_label): Rewrite to walk the tree.
4800         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
4801         * except.h (maybe_remove_eh_handler): Remove.
4802         * passes.c (init_optimization_passes): Schedule second EH cleanup
4803         before out-of-ssa.
4804         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
4805         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
4806
4807 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
4808
4809         * genoutput.c (validate_optab_operands): New.
4810         (gen_insn, gen_expand): Call it.
4811
4812         * genflags.c (gen_insn): Detect misused iterators.
4813         (main): Pass line_no to gen_insn, exit with status 1 on error.
4814
4815         * genextract.c (line_no): Make global.
4816         (VEC_safe_set_locstr): Change assertion to error message.
4817         (main): Exit with status 1 on error.
4818
4819 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
4820
4821         PR c/39614
4822         PR c/39673
4823         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
4824         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
4825         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
4826         * c-convert.c (convert): Do not call fold on results of conversion
4827         functions when the result is a C_MAYBE_CONST_EXPR.
4828         * c-parser.c (c_parser_postfix_expression): Do not fold condition
4829         of __builtin_choose_expr.
4830         * c-typeck.c (remove_c_maybe_const_expr): New.
4831         (build_unary_op, build_conditional_expr, build_compound_expr,
4832         build_binary_op, c_objc_common_truthvalue_conversion): Call
4833         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
4834         integer operands.
4835
4836 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
4837
4838         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
4839         CODE to produce a new one. Add a prototype to use fold_convert_const
4840
4841 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
4842
4843         PR bootstrap/39660
4844         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
4845         mix declarations and code.
4846
4847 2009-04-08  Ben Elliston  <bje@au.ibm.com>
4848
4849         * gcc.c: Replace `CC' with `GCC' throughout.
4850
4851 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
4852
4853         * doc/invoke.texi: Document Atom support.
4854
4855 2009-04-07  Jason Merrill  <jason@redhat.com>
4856
4857         PR c++/25185
4858         * c-common.h, c-common.c: Add flag_pretty_templates.
4859         * c-opts.c (c_common_handle_option): Set it.
4860         * c.opt: Add -fno-pretty-templates.
4861         * doc/invoke.texi (C++ Dialect Options): Likewise.
4862
4863 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
4864
4865         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
4866         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
4867         (ia64_expand_builtin): Likewise.
4868
4869 2009-04-07  Martin Jambor  <mjambor@suse.cz>
4870
4871         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
4872         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
4873         ADDR_EXPRS are include too.
4874
4875 2009-04-07  Richard Guenther  <rguenther@suse.de>
4876
4877         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
4878         decls are only used if passes as parameters or if they are
4879         local statics and the call is not to a builtin.
4880         (call_may_clobber_ref_p_1): Likewise.
4881
4882 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4883
4884         * expr.c (do_store_flag): Remove last argument.  Simplify code
4885         to avoid duplication of tests already done by can_compare_p.
4886         (expand_expr_real_1): Adjust caller.
4887
4888 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4889
4890         * optabs.c (can_compare_p): Test the predicate of a
4891         cbranch and cstore pattern.
4892
4893 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4894
4895         * expr.c (convert_move): Use emit_store_flag instead of
4896         "emulating" it.
4897
4898 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4899
4900         * config/i386/i386.c (ix86_compare_emitted): Remove.
4901         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
4902         ix86_compare_op0 like ix86_compare_emitted used to be handled.
4903         * config/i386/i386.h (ix86_compare_emitted): Remove.
4904         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
4905         instead of ix86_compare_emitted.
4906         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
4907
4908 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
4909
4910         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
4911         Add t-sysroot-suffix to tmake_file.
4912         * config/print-sysroot-suffix.sh: New file.
4913         * config/t-sysroot-suffix: New file.
4914
4915 2009-04-07  Ben Elliston  <bje@au.ibm.com>
4916
4917         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
4918         as the latter produces a warning when the target does not support
4919         infinity.
4920
4921 2009-04-07  Ben Elliston  <bje@au.ibm.com>
4922
4923         * dfp.c: Replace type punning assignments with memcpy throughout.
4924         * Makefile.in (dfp.o-warn): Remove.
4925
4926 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
4927
4928         PR target/39634
4929         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
4930         Include soft-fp/t-softfp after rs6000/t-linux64.
4931
4932 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
4933
4934         * stor-layout.c (set_sizetype): Use the full precision of their
4935         machine mode for bitsize types.
4936
4937 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
4938
4939         * config/i386/i386.md: Revert 2 accidental checkins.
4940
4941 2009-04-06  Joey Ye  <joey.ye@intel.com>
4942             Xuepeng Guo  <xuepeng.guo@intel.com>
4943             H.J. Lu  <hongjiu.lu@intel.com>
4944
4945         Atom pipeline model, tuning and insn selection.
4946         * config.gcc (atom): Add atom config options and target.
4947
4948         * config/i386/atom.md: New.
4949
4950         * config/i386/i386.c (atom_cost): New cost.
4951         (m_ATOM): New macro flag.
4952         (initial_ix86_tune_features): Set m_ATOM.
4953         (x86_accumulate_outgoing_args): Likewise.
4954         (x86_arch_always_fancy_math_387): Likewise.
4955         (processor_target): Add Atom cost.
4956         (cpu_names): Add Atom cpu name.
4957         (override_options): Set Atom ISA.
4958         (ix86_issue_rate): New case PROCESSOR_ATOM.
4959         (ix86_adjust_cost): Likewise.
4960
4961         * config/i386/i386.h (TARGET_ATOM): New target macro.
4962         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
4963         (TARGET_OPT_AGU): New target option.
4964         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
4965         (processor_type): Add PROCESSOR_ATOM.
4966
4967         * config/i386/i386.md (cpu): Add new value "atom".
4968         (use_carry, movu): New attr.
4969         (atom.md): Include atom.md.
4970         (adddi3_carry_rex64): Set attr "use_carry".
4971         (addqi3_carry): Likewise.
4972         (addhi3_carry): Likewise.
4973         (addsi3_carry): Likewise.
4974         (*addsi3_carry_zext): Likewise.
4975         (subdi3_carry_rex64): Likewise.
4976         (subqi3_carry): Likewise.
4977         (subhi3_carry): Likewise.
4978         (subsi3_carry): Likewise.
4979         (x86_movdicc_0_m1_rex64): Likewise.
4980         (*x86_movdicc_0_m1_se): Likewise.
4981         (x86_movsicc_0_m1): Likewise.
4982         (*x86_movsicc_0_m1_se): Likewise.
4983         (*adddi_1_rex64): Emit add insn as much as possible.
4984         (*addsi_1): Likewise.
4985         (return_internal): Set atom_unit.
4986         (return_internal_long): Likewise.
4987         (return_pop_internal): Likewise.
4988         (*rcpsf2_sse): Set atom_sse_attr attr.
4989         (*qrt<mode>2_sse): Likewise.
4990         (*prefetch_sse): Likewise.
4991
4992         * config/i386/i386-c.c (ix86_target_macros_internal): New case
4993         PROCESSOR_ATOM.
4994         (ix86_target_macros_internal): Likewise.
4995
4996         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
4997         (*prefetch_sse_rex): Likewise.
4998         (sse_rcpv4sf2): Likewise.
4999         (sse_vmrcpv4sf2): Likewise.
5000         (sse_sqrtv4sf2): Likewise.
5001         (<sse>_vmsqrt<mode>2): Likewise.
5002         (sse_ldmxcsr): Likewise.
5003         (sse_stmxcsr): Likewise.
5004         (*sse_sfence): Likewise.
5005         (sse2_clflush): Likewise.
5006         (*sse2_mfence): Likewise.
5007         (*sse2_lfence): Likewise.
5008         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
5009         (<sse>_movup<ssemodesuffixf2c>): Likewise.
5010         (avx_movdqu<avxmodesuffix>): Likewise.
5011         (avx_lddqu<avxmodesuffix>): Likewise.
5012         (sse2_movntv2di): Change attr "type" to "ssemov".
5013         (sse2_movntsi): Likewise.
5014         (rsqrtv8sf2): Change attr "type" to "sseadd".
5015         (sse3_addsubv2df3): Set attr "atom_unit".
5016         (sse3_h<plusminus_insn>v4sf3): Likewise.
5017         (*sse2_pmaddwd): Likewise.
5018         (*vec_extractv2di_1_rex64): Likewise.
5019         (*vec_extractv2di_1_avx): Likewise.
5020         (sse2_psadbw): Likewise.
5021         (ssse3_phaddwv8hi3): Likewise.
5022         (ssse3_phaddwv4hi3): Likewise.
5023         (ssse3_phadddv4si3): Likewise.
5024         (ssse3_phadddv2si3): Likewise.
5025         (ssse3_phaddswv8hi3): Likewise.
5026         (ssse3_phaddswv4hi3): Likewise.
5027         (ssse3_phsubwv8hi3): Likewise.
5028         (ssse3_phsubwv4hi3): Likewise.
5029         (ssse3_phsubdv4si3): Likewise.
5030         (ssse3_phsubdv2si3): Likewise.
5031         (ssse3_phsubswv8hi3): Likewise.
5032         (ssse3_phsubswv4hi3): Likewise.
5033         (ssse3_pmaddubsw128): Likewise.
5034         (sse3_pmaddubsw: Likewise.
5035         (ssse3_palignrti): Likewise.
5036         (ssse3_palignrdi): Likewise.
5037
5038 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
5039
5040         * doc/install.texi (Specific): Fix two cross-references to MinGW.
5041
5042 2009-04-06  Richard Guenther  <rguenther@suse.de>
5043
5044         PR tree-optimization/28868
5045         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
5046         of which PHI results we inserted.
5047         (insert_into_preds_of_block): Record inserted PHIs.
5048         (eliminate): Eliminate redundant PHI nodes.
5049         (init_pre): Init inserted_phi_names.
5050
5051 2009-04-06  Richard Guenther  <rguenther@suse.de>
5052
5053         PR tree-optimization/39643
5054         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
5055         IMAGPART_EXPRs of complex constants.
5056         (execute_fold_all_builtins): If we folded a call queue
5057         TODO_update_address_taken.
5058
5059 2009-04-06  Jan Hubicka  <jh@suse.cz>
5060
5061         PR middle-end/39659
5062         * except.c (remove_unreachable_regions): Propagate may_contain_throw
5063         flag.
5064
5065 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
5066
5067         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
5068         delay slot.
5069         (ic_invalidate_array): Likewise.
5070
5071 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
5072
5073         * calls.c (emit_library_call_value_1): Fix a problem with parameter
5074         alignment for library calls.
5075
5076 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
5077
5078         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
5079         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
5080         * config/i386/mingw-stdint.h:  New file.
5081
5082 2009-04-05  Richard Guenther  <rguenther@suse.de>
5083
5084         PR tree-optimization/39648
5085         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
5086         our &A vs. &A[0] IL deficiencies.
5087
5088 2009-04-04  Jan Hubicka  <jh@suse.cz>
5089
5090         * except.c (sjlj_find_directly_reachable_regions): Be ready for
5091         removed toplevel regions.
5092         (sjlj_mark_call_sites): Likewise.
5093
5094 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
5095
5096         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
5097         (cygwin tm clause use_gcc_stdint):  Set to wrap.
5098         * config/i386/cygwin-stdint.h:  New file.
5099
5100 2009-04-04  Richard Guenther  <rguenther@suse.de>
5101
5102         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
5103         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
5104         single-argument PHIs if we are in loop-closed SSA form.
5105         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
5106         for the pre-condition.
5107         (slpeel_tree_peel_loop_to_edge): Likewise.
5108         (vect_build_loop_niters): Take an optional sequence to append stmts.
5109         (vect_generate_tmps_on_preheader): Likewise.
5110         (vect_do_peeling_for_loop_bound): Take extra guards for the
5111         pre-condition.
5112         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
5113         the cost model check.
5114         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
5115         guards if we are going to peel.  Do not apply versioning in that case.
5116         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
5117         (vect_do_peeling_for_loop_bound): Likewise.
5118         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
5119         loop bound only record extra pre-conditions, do not apply loop
5120         versioning.
5121
5122 2009-04-04  Richard Guenther  <rguenther@suse.de>
5123
5124         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
5125         renaming code.
5126
5127 2009-04-04  Jan Hubicka  <jh@suse.cz>
5128
5129         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
5130         last_basic_block for size of bb->index indexed array.
5131         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
5132         compute_out, link_btr_uses, build_btr_def_use_webs,
5133         build_btr_def_use_webs, migrate_btr_defs): Likewise.
5134
5135 2009-04-04  Jan Hubicka  <jh@suse.cz>
5136
5137         * except.c (remove_eh_handler_and_replace): Break out from ...
5138         (remove_eh_handler): ... here.
5139         (bring_to_root): New function.
5140         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
5141         handled ones, bring others to root of tree.
5142
5143 2009-04-04  Jan Hubicka  <jh@suse.cz>
5144
5145         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
5146         (all_phis_safe_to_merge): New function.
5147         (update_info): New structure.
5148         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
5149         (cleanup_empty_eh): Update SSA if possible.
5150
5151 2009-04-04  Richard Guenther  <rguenther@suse.de>
5152
5153         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
5154         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
5155         (append_vuse): Likewise.
5156
5157 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
5158
5159         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
5160         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
5161         instead of REG_UNSAVED for DW_CFA_undefined.
5162         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
5163         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
5164         outermost frame.
5165
5166 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
5167
5168         PR target/39501
5169         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
5170         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
5171         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
5172
5173 2009-04-04  Richard Guenther  <rguenther@suse.de>
5174
5175         PR tree-optimization/8781
5176         PR tree-optimization/37892
5177         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
5178         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
5179         (valueize_refs): Call it for *& valueizations.
5180         (shared_reference_ops_from_ref): Rename to ...
5181         (valueize_shared_reference_ops_from_ref): ... this and valueize.
5182         (shared_reference_ops_from_call): Rename to ...
5183         (valueize_shared_reference_ops_from_call): ... this and valueize.
5184         (vn_reference_lookup): Update.
5185         (visit_reference_op_call): Likewise.
5186         * tree-ssa-pre.c (phi_translate_1): Fold *&.
5187         (eliminate): Value-replace the call address in call statements.
5188
5189 2009-04-04  Richard Guenther  <rguenther@suse.de>
5190
5191         PR tree-optimization/39636
5192         * tree-ssa-forwprop.c
5193         (forward_propagate_addr_into_variable_array_index): Check for
5194         GIMPLE_ASSIGN before accessing the rhs code.
5195
5196 2009-04-03  Jason Merrill  <jason@redhat.com>
5197
5198         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
5199
5200 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
5201
5202         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
5203         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
5204         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
5205         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
5206         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
5207         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
5208         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
5209         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
5210         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
5211         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
5212         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
5213         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
5214         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
5215         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
5216         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
5217         Use fr_reg_or_fp01_operand instead of fr_register_operand
5218
5219         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
5220         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
5221         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
5222
5223 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
5224
5225         PR rtl-optimization/39607
5226         PR rtl-optimization/39631
5227
5228         Revert:
5229
5230         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
5231         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
5232         instead of DF_LR_OUT.
5233         * ira-lives.c (process_bb_node_lives): Ditto.
5234         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
5235         instead of DF_LR_{OUT,IN}.
5236         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
5237         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
5238
5239 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
5240
5241         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
5242         (execute_lower_omp): Always run but take the short way out if -fopenmp
5243         is not given.
5244         (gate_lower_omp): Remove, forcing the pass manager to always run the
5245         pass and always set PROP_gimple_lomp.
5246         (pass_lower_omp): Remove gate function.
5247         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
5248         PROP_trees.  Instead, require it.
5249         * ipa-cp.c (pass_ipa_cp): Likewise.
5250         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
5251         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
5252         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
5253         and PROP_gimple_leh.
5254
5255 2009-04-03  Richard Guenther  <rguenther@suse.de>
5256
5257         PR middle-end/13146
5258         PR tree-optimization/23940
5259         PR tree-optimization/33237
5260         PR middle-end/33974
5261         PR middle-end/34093
5262         PR tree-optimization/36201
5263         PR tree-optimization/36230
5264         PR tree-optimization/38049
5265         PR tree-optimization/38207
5266         PR tree-optimization/38230
5267         PR tree-optimization/38301
5268         PR tree-optimization/38585
5269         PR middle-end/38895
5270         PR tree-optimization/38985
5271         PR tree-optimization/39299
5272         * tree-ssa-structalias.h: Remove.
5273         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
5274         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
5275         (struct vuse_element_d): Remove.
5276         (struct vuse_vec_d): Likewise.
5277         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
5278         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
5279         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
5280         VUSE_ELEMENT_VAR): Likewise.
5281         (struct voptype_d): Likewise.
5282         (NUM_VOP_FREE_BUCKETS): Likewise.
5283         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
5284         (struct stmt_operands_d): Remove.
5285         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
5286         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
5287         VDEF_NUM, VDEF_VECT): Likewise.
5288         (copy_virtual_operands): Remove.
5289         (operand_build_cmp): Likewise.
5290         (create_ssa_artificial_load_stmt): Likewise.
5291         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
5292         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
5293         vuse_index and mayuse_index members.  Pack and move done and iter_type
5294         members to the front.
5295         (SSA_OP_VMAYUSE): Remove.
5296         (SSA_OP_VIRTUAL_USES): Adjust.
5297         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
5298         (unlink_stmt_vdef): Declare.
5299         (add_to_addressable_set): Remove.
5300         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
5301         (vrp_visit_stmt): Likewise.
5302         * doc/tree-ssa.texi (Alias analysis): Update.
5303         * doc/invoke.texi (max-aliased-vops): Remove docs.
5304         (avg-aliased-vops): Likewise.
5305         * tree-into-ssa.c (syms_to_rename): Remove.
5306         (need_to_update_vops_p): Likewise.
5307         (need_to_initialize_update_ssa_p): Rename to ...
5308         (update_ssa_initialized_fn): ... this.  Track function we are
5309         initialized for.
5310         (symbol_marked_for_renaming): Simplify.
5311         (add_new_name_mapping): Do not set need_to_update_vops_p.
5312         (dump_currdefs): Use SYMS_TO_RENAME.
5313         (rewrite_update_stmt): Always walk all uses/defs.
5314         (dump_update_ssa): Adjust.
5315         (init_update_ssa): Take function argument.  Track what we are
5316         initialized for.
5317         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
5318         (create_new_def_for): Initialize for cfun, assert we are initialized
5319         for cfun.
5320         (mark_sym_for_renaming): Simplify.
5321         (mark_set_for_renaming): Do not initialize update-ssa.
5322         (need_ssa_update_p): Simplify.  Take function argument.
5323         (name_mappings_registered_p): Assert we ask for the correct function.
5324         (name_registered_for_update_p): Likewise.
5325         (ssa_names_to_replace): Likewise.
5326         (release_ssa_name_after_update_ssa): Likewise.
5327         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
5328         (dump_decl_set): Do not print a newline.
5329         (debug_decl_set): Do it here.
5330         (dump_update_ssa): And here.
5331         * tree-ssa-loop-im.c (move_computations): Adjust.
5332         (movement_possibility): Likewise.
5333         (determine_max_movement): Likewise.
5334         (gather_mem_refs_stmt): Likewise.
5335         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
5336         or NAME_MEMORY_TAG.
5337         * tree-complex.c (update_all_vops): Remove.
5338         (expand_complex_move): Adjust.
5339         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
5340         Simplify test for memory referencing statement.  Exclude
5341         non-invariant ADDR_EXPRs.
5342         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
5343         * tree-loop-distribution.c (generate_memset_zero): Adjust.
5344         (rdg_flag_uses): Likewise.
5345         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
5346         related code.
5347         (tree_optimize_tail_calls_1): Also split the
5348         edge from the entry block if we have degenerate PHI nodes in
5349         the first basic block.
5350         * tree.c (init_ttree): Remove memory-tag related code.
5351         (tree_code_size): Likewise.
5352         (tree_node_structure): Likewise.
5353         (build7_stat): Re-write to be build6_stat.
5354         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
5355         (SSA_VAR_P): Adjust.
5356         (struct tree_memory_tag): Remove.
5357         (struct tree_memory_partition_tag): Likewise.
5358         (union tree_node): Adjust.
5359         (build7): Re-write to be build6.
5360         * tree-pass.h (pass_reset_cc_flags): Remove.
5361         (TODO_update_address_taken): New flag.
5362         (pass_simple_dse): Remove.
5363         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
5364         * params.h (MAX_ALIASED_VOPS): Remove.
5365         (AVG_ALIASED_VOPS): Likewise.
5366         * omp-low.c (expand_omp_taskreg): Update SSA form.
5367         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
5368         aliases the lhs in a copy stmt.
5369         * tree-ssa-dse.c (struct address_walk_data): Remove.
5370         (memory_ssa_name_same): Likewise.
5371         (memory_address_same): Likewise.
5372         (get_kill_of_stmt_lhs): Likewise.
5373         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
5374         unused stores.  Look through PHI nodes into post-dominated regions.
5375         (dse_optimize_stmt): Simplify.  Properly remove stores.
5376         (tree_ssa_dse): Compute dominators.
5377         (execute_simple_dse): Remove.
5378         (pass_simple_dse): Likewise.
5379         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
5380         gimple_loaded_syms and gimple_stored_syms computation.
5381         * toplev.c (dump_memory_report): Dump alias and pta stats.
5382         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
5383         (vn_reference_eq): Likewise.
5384         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
5385         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
5386         valueize_vuses): Remove.
5387         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
5388         (get_def_ref_stmt_vuse): ... this.
5389         (vn_reference_lookup_2): New function.
5390         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
5391         walking equivalent vuses.  Simplify.
5392         (vn_reference_lookup): Likewise.
5393         (vn_reference_insert): Likewise.
5394         (vn_reference_insert_pieces): Likewise.
5395         (visit_reference_op_call): Simplify.
5396         (visit_reference_op_load): Likewise.
5397         (visit_reference_op_store): Likewise.
5398         (init_scc_vn): Remove shared_lookup_vuses initialization.
5399         (free_scc_vn): Remove shared_lookup_vuses freeing.
5400         (sort_vuses, sort_vuses_heap): Remove.
5401         (get_ref_from_reference_ops): Export.
5402         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
5403         vector with single vuse pointer.
5404         (vn_reference_lookup_pieces, vn_reference_lookup,
5405         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
5406         (shared_vuses_from_stmt): Remove.
5407         (get_ref_from_reference_ops): Declare.
5408         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
5409         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
5410         memory-tag related code.
5411         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
5412         (likely_value): Add comment, skip static-chain of call statements.
5413         (surely_varying_stmt_p): Adjust.
5414         (gimplify_and_update_call_from_tree): Likewise.
5415         (execute_fold_all_builtins): Do not rebuild alias info.
5416         (gimplify_and_update_call_from_tree): Properly update VOPs.
5417         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
5418         (copy_ref_info): Remove memory-tag related code.
5419         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
5420         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
5421         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
5422         computation.
5423         * tree-ssa-dom.c (gimple_p): Remove typedef.
5424         (eliminate_redundant_computations): Adjust.
5425         (record_equivalences_from_stmt): Likewise.
5426         (avail_expr_hash): Likewise.
5427         (avail_expr_eq): Likewise.
5428         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
5429         (stmt_makes_single_load): Likewise.
5430         (stmt_makes_single_store): Likewise.
5431         * tree-ssa-alias.c: Rewrite completely.
5432         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
5433         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
5434         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
5435         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
5436         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
5437         Remove public functions.
5438         (pass_reset_cc_flags): Remove.
5439         (pass_build_alias): Move ...
5440         * tree-ssa-structalias.c (pass_build_alias): ... here.
5441         * tree-ssa-alias.c (may_be_aliased): Move ...
5442         * tree-flow-inline.h (may_be_aliased): ... here.
5443         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
5444         count_uses_and_derefs): Move ...
5445         * gimple.c: ... here.
5446         * gimple.h (count_uses_and_derefs): Declare.
5447         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
5448         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
5449         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
5450         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
5451         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
5452         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
5453         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
5454         New functions.
5455         * tree-dfa.c (refs_may_alias_p): Move ...
5456         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
5457         * tree-ssa-alias.h: New file.
5458         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
5459         (statement_sink_location): Likewise.
5460         * opts.c (decode_options): Do not adjust max-aliased-vops or
5461         avg-aliased-vops values.
5462         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
5463         (TV_CALL_CLOBBER): Likewise.
5464         (TV_FLOW_SENSITIVE): Likewise.
5465         (TV_FLOW_INSENSITIVE): Likewise.
5466         (TV_MEMORY_PARTITIONING): Likewise.
5467         (TV_ALIAS_STMT_WALK): New timevar.
5468         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
5469         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
5470         (get_address_description): Remove memory-tag related code.
5471         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
5472         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
5473         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
5474         and immediate uses in statements.  Document.
5475         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
5476         (dump_symbols): Remove.
5477         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
5478         * alias.c (get_deref_alias_set): New function split out from ...
5479         (get_alias_set): ... here.
5480         * alias.h (get_deref_alias_set): Declare.
5481         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
5482         type parameter.  Remove restrict pointer handling.  Create a
5483         ref-all pointer in case type-based alias sets do not conflict.
5484         (vect_analyze_data_refs): Remove SMT related code.
5485         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
5486         (vectorizable_load): Likewise.
5487         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
5488         (DR_SYMBOL_TAG, DR_VOPS): Remove.
5489         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
5490         Ignore vops and SMTs.
5491         (dr_analyze_alias): Likewise..
5492         (free_data_ref): Likewise.
5493         (create_data_ref): Likewise.
5494         (analyze_all_data_dependences): Likewise.
5495         (get_references_in_stmt): Adjust.
5496         * tree-flow-inline.h (gimple_aliases_computed_p,
5497         gimple_addressable_vars, gimple_call_clobbered_vars,
5498         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
5499         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
5500         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
5501         gimple_mem_ref_stats): Remove.
5502         (gimple_vop): New function.
5503         (op_iter_next_use): Remove vuses and mayuses cases.
5504         (op_iter_next_def): Remove vdefs case.
5505         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
5506         (clear_and_done_ssa_iter): Do not set removed fields.
5507         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
5508         Assert we are not iterating over vuses or vdefs if not also
5509         iterating over uses or defs.
5510         (op_iter_init_use): Likewise.
5511         (op_iter_init_def): Likewise.
5512         (op_iter_next_vdef): Remove.
5513         (op_iter_next_mustdef): Likewise.
5514         (op_iter_init_vdef): Likewise.
5515         (compare_ssa_operands_equal): Likewise.
5516         (link_use_stmts_after): Handle vuse operand.
5517         (is_call_used): Use is_call_clobbered.
5518         (is_call_clobbered): Global variables are always call clobbered,
5519         query the call-clobbers bitmap.
5520         (mark_call_clobbered): Ignore global variables.
5521         (clear_call_clobbered): Likewise.
5522         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
5523         virtual operands sanity check.
5524         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
5525         Remove.
5526         (TARGET_MEM_REF): Remove TMR_TAG operand.
5527         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
5528         Remove call-clobber related code.
5529         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
5530         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
5531         partitions or escape reason.
5532         (get_single_def_stmt, get_single_def_stmt_from_phi,
5533         get_single_def_stmt_with_phi): Remove.
5534         (dump_referenced_vars): Tidy.
5535         (get_ref_base_and_extent): Allow bare decls.
5536         (collect_dfa_stats): Adjust.
5537         * graphite.c (rename_variables_in_stmt): Adjust.
5538         (graphite_copy_stmts_from_block): Likewise.
5539         (translate_clast): Likewise.
5540         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
5541         (EXPR_DIES): New.
5542         (translate_vuse_through_block): Use the oracle.
5543         (phi_translate_1): Adjust.
5544         (value_dies_in_block_x): Use the oracle.  Cache the outcome
5545         in EXPR_DIES.
5546         (valid_in_sets): Check if the VUSE for
5547         a REFERENCE is available.
5548         (eliminate): Do not remove stmts during elimination,
5549         instead queue and remove them afterwards.
5550         (do_pre): Do not rebuild alias info.
5551         (pass_pre): Run TODO_rebuild_alias before PRE.
5552         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
5553         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
5554         (mark_all_v_defs_stmt): Remove.
5555         (mark_all_v_defs_seq): Adjust.
5556         (sra_replace): Likewise.
5557         (scalarize_use): Likewise.
5558         (scalarize_copy): Likewise.
5559         (scalarize_init): Likewise.
5560         (scalarize_ldst): Likewise.
5561         (todoflags): Remove.
5562         (tree_sra): Do not rebuild alias info.
5563         (tree_sra_early): Adjust.
5564         (pass_sra): Run TODO_update_address_taken before SRA.
5565         * tree-predcom.c (set_alias_info): Remove.
5566         (prepare_initializers_chain): Do not call it.
5567         (mark_virtual_ops_for_renaming): Adjust.
5568         (mark_virtual_ops_for_renaming_list): Remove.
5569         (initialize_root_vars): Adjust.
5570         (initialize_root_vars_lm): Likewise.
5571         (prepare_initializers_chain): Likewise.
5572         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
5573         (may_propagate_copy_into_stmt): Likewise.
5574         (merge_alias_info): Do nothing for now.
5575         (propagate_tree_value_into_stmt): Adjust.
5576         (stmt_may_generate_copy): Likewise.
5577         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
5578         not mark symbols for renaming.
5579         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
5580         with the same statement, make sure to update the new pointed-to one.
5581         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
5582         call statements, do not mark symbols for renaming.
5583         (mark_operand_necessary): Dump something.
5584         (ref_may_be_aliased): New function.
5585         (mark_aliased_reaching_defs_necessary_1): New helper function.
5586         (mark_aliased_reaching_defs_necessary): Likewise.
5587         (mark_all_reaching_defs_necessary_1): Likewise.
5588         (mark_all_reaching_defs_necessary): Likewise.
5589         (propagate_necessity): Do not process virtual PHIs.  For
5590         non-aliased loads mark all reaching definitions as necessary.
5591         For aliased loads and stores mark the immediate dominating
5592         aliased clobbers as necessary.
5593         (visited): New global static.
5594         (perform_tree_ssa_dce): Free visited bitmap after propagating
5595         necessity.
5596         (remove_dead_phis): Perform simple dead virtual PHI removal.
5597         (remove_dead_stmt): Properly unlink virtual operands when
5598         removing stores.
5599         (eliminate_unnecessary_stmts): Schedule PHI removal after
5600         stmt removal.
5601         * tree-ssa-ter.c (is_replaceable_p): Adjust.
5602         (process_replaceable): Likewise.
5603         (find_replaceable_in_bb): Likewise.
5604         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
5605         based on the single gimple vop.
5606         (verify_flow_insensitive_alias_info): Remove.
5607         (verify_flow_sensitive_alias_info): Likewise.
5608         (verify_call_clobbering): Likewise.
5609         (verify_memory_partitions): Likewise.
5610         (verify_alias_info): Likewise.
5611         (verify_ssa): Adjust..
5612         (execute_update_addresses_taken): Export.  Update SSA
5613         manually.  Optimize only when optimizing.  Use a local bitmap.
5614         (pass_update_address_taken): Remove TODO_update_ssa, add
5615         TODO_dump_func.
5616         (pass_update_address_taken): Just use TODO_update_address_taken.
5617         (init_tree_ssa): Do not initialize addressable_vars.
5618         (verify_ssa): Verify new VUSE / VDEF properties.
5619         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
5620         Do not call verify_alias_info.
5621         (delete_tree_ssa): Clear the VUSE, VDEF operands.
5622         Do not free the loaded and stored syms bitmaps.  Reset the escaped
5623         and callused solutions.  Do not free addressable_vars.
5624         Remove memory-tag related code.
5625         (warn_uninitialized_var): Aliases are always available.
5626         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
5627         * lambda-code.c (can_put_in_inner_loop): Adjust.
5628         (can_put_after_inner_loop): Likewise.
5629         (perfect_nestify): Likewise.
5630         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
5631         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
5632         (vectorizable_conversion): Do not mark symbols for renaming.
5633         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
5634         (expand_call_inline): Unlink the calls virtual operands before
5635         replacing it.
5636         (tree_function_versioning): Do not call update_ssa if we are not
5637         updating clones.  Simplify.
5638         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
5639         (propagate_with_phi): Likewise..
5640         * tree-outof-ssa.c (create_temp): Remove memory tag and call
5641         clobber code.  Assert we are not aliased or global.
5642         * tree-flow.h: Include tree-ssa-alias.h
5643         (enum escape_type): Remove.
5644         (struct mem_sym_stats_d): Likewise.
5645         (struct mem_ref_stats_d): Likewise.
5646         (struct gimple_df): Add vop member.  Remove global_var,
5647         call_clobbered_vars, call_used_vars, addressable_vars,
5648         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
5649         escaped and callused members.
5650         (struct ptr_info_def): Remove all members, add points-to solution
5651         member pt.
5652         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
5653         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
5654         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
5655         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
5656         (tree-ssa-alias.o): Likewise.
5657         (toplev.o): Add tree-ssa-alias.h
5658         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
5659         * gimple.c (gimple_set_bb): Fix off-by-one error.
5660         (is_gimple_reg): Do not handle memory tags.
5661         (gimple_copy): Also copy virtual operands.
5662         Delay updating the statement.  Do not reset loaded and stored syms.
5663         (gimple_set_stored_syms): Remove.
5664         (gimple_set_loaded_syms): Likewise.
5665         (gimple_call_copy_skip_args): Copy the virtual operands
5666         and mark the new statement modified.
5667         * tree-ssa-structalias.c (may_alias_p): Remove.
5668         (set_uids_in_ptset): Take the alias set to prune with as
5669         parameter.  Fold in the alias test of may_alias_p.
5670         (compute_points_to_sets): Compute whether a ptr is dereferenced
5671         in a local sbitmap.
5672         (process_constraint): Deal with &ANYTHING on the lhs, reject all
5673         other ADDRESSOF constraints on the lhs.
5674         (get_constraint_for_component_ref): Assert that we don't get
5675         ADDRESSOF constraints from the base of the reference.
5676         Properly generate UNKNOWN_OFFSET for DEREF if needed.
5677         (struct variable_info): Remove collapsed_to member.
5678         (get_varinfo_fc): Remove.
5679         (new_var_info): Do not set collapsed_to.
5680         (dump_constraint): Do not follow cycles.
5681         (dump_constraint_graph): Likewise.
5682         (build_pred_graph): Likewise.
5683         (build_succ_graph): Likewise.
5684         (rewrite_constraints): Likewise.
5685         (do_simple_structure_copy): Remove.
5686         (do_rhs_deref_structure_copy): Remove.
5687         (do_lhs_deref_structure_copy): Remove.
5688         (collapse_rest_of_var): Remove.
5689         (do_structure_copy): Re-implement.
5690         (pta_stats): New global variable.
5691         (dump_pta_stats): New function.
5692         (struct constraint_expr): Make offset signed.
5693         (UNKNOWN_OFFSET): Define special value.
5694         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
5695         (solution_set_expand): New helper function split out from ...
5696         (do_sd_constraint): ... here.
5697         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
5698         (do_ds_constraint): Likewise.
5699         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
5700         and CALLUSED = *CALLUSED.
5701         (set_union_with_increment): Make inc argument signed.
5702         (type_safe): Remove.
5703         (get_constraint_for_ptr_offset): Handle unknown and negative
5704         constant offsets.
5705         (first_vi_for_offset): Handle offsets before start.  Bail
5706         out early for offsets beyond the variable extent.
5707         (first_or_preceding_vi_for_offset): New function.
5708         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
5709         Together with ESCAPED = *ESCAPED this properly computes reachability.
5710         (find_what_var_points_to): New function.
5711         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
5712         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
5713         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
5714         pt_solutions_intersect): New functions.
5715         (compute_call_used_vars): Remove.
5716         (compute_may_aliases): New main entry into PTA computation.
5717         * gimple.h (gimple_p): New typedef.
5718         (struct gimple_statement_base): Remove references_memory_p.
5719         (struct gimple_statement_with_memory_ops_base): Remove
5720         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
5721         members.
5722         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
5723         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
5724         gimple_set_references_memory): Remove.
5725         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
5726         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
5727         New functions.
5728         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
5729         (verify_expr): Allow RESULT_DECL.
5730         (gimple_duplicate_bb): Do not copy virtual operands.
5731         (gimple_duplicate_sese_region): Adjust.
5732         (gimple_duplicate_sese_tail): Likewise.
5733         (mark_virtual_ops_in_region): Remove.
5734         (move_sese_region_to_fn): Do not call it.
5735         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
5736         and pass_simple_dse.
5737         (execute_function_todo): Handle TODO_update_address_taken,
5738         call execute_update_addresses_taken for TODO_rebuild_alias.
5739         (execute_todo): Adjust.
5740         (execute_one_pass): Init dump files early.
5741         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
5742         call-clobbered.
5743         (create_general_new_stmt): Clear vops.
5744         * tree-ssa-reassoc.c (get_rank): Adjust.
5745         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
5746         symbols for renaming.
5747         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
5748         (PARAM_AVG_ALIASED_VOPS): Likewise.
5749         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
5750         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
5751         * tree-ssa-operands.c: Simplify for new virtual operand representation.
5752         (operand_build_cmp, copy_virtual_operands,
5753         create_ssa_artificial_load_stmt, add_to_addressable_set,
5754         gimple_add_to_addresses_taken): Remove public functions.
5755         (unlink_stmt_vdef): New function.
5756
5757 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
5758
5759         * config.gcc (powerpc-*-linux*): Merge variants.
5760
5761 2009-04-02  Chao-ying Fu  <fu@mips.com>
5762             James Grosbach  <james.grosbach@microchip.com>
5763
5764         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
5765         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
5766         cop0_sp_offset.
5767         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
5768         keep_interrupts_masked_p, use_debug_exception_return_p.
5769         (mips_attribute_table): Add interrupt, use_shadow_register_set,
5770         keep_interrupts_masked, use_debug_exception_return.
5771         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
5772         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
5773         New functions.
5774         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
5775         (mips_print_operand): Process COP0 registers to print $0 .. $31
5776         correctly for GAS to process.
5777         (mips_interrupt_extra_call_saved_reg_p): New function.
5778         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
5779         extra registers.
5780         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
5781         (mips_compute_frame_info): Add supports for interrupt context that
5782         includes doubleword accumulators and COP0 registers.
5783         (mips_for_each_saved_acc): New function.
5784         (mips_for_each_saved_gpr_and_fpr): Change the function name from
5785         mips_for_each_saved_reg.
5786         (mips_save_reg): Save accumulators.
5787         (mips_kernel_reg_p): A new for_each_rtx callback.
5788         (mips_expand_prologue): Support interrupt handlers.
5789         (mips_restore_reg): Restore accumulators.
5790         (mips_expand_epilogue): Support interrupt handlers.
5791         (mips_can_use_return_insn): Return false for interrupt handlers.
5792         (mips_epilogue_uses): New function.
5793         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
5794         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
5795         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
5796         cop0_move): New instructions.
5797         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
5798         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
5799         defines.
5800         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
5801         New defines.
5802         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
5803         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
5804         interrupt handlers, we use K0 as the temporary register.
5805         (EPILOGUE_USES): Change to a function call.
5806         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
5807         handlers, we use K0 as the temporary register.
5808
5809         * doc/extend.texi (Function Attributes): Document interrupt,
5810         use_shadow_register_set, keep_interrupts_masked,
5811         use_debug_exception_return for MIPS attributes.
5812
5813 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
5814
5815         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
5816         Remove a number of t-files from tmake_file.
5817         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
5818         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
5819         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
5820         target_prototype, not TARGET_PROTOTYPE.
5821         (LINK_OS_GNU_SPEC): Define.
5822         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
5823         and darwin-ldoubdle.c.
5824
5825 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
5826
5827         PR driver/39293
5828         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
5829         (cpp_options): Ditto.
5830         (default_compilers): Ditto.
5831         (display_help): Ditto.
5832         (process_command): Ditto.
5833         (do_spec_1): Ditto.
5834         (set_input): Use lbasename instead of duplicate code.
5835         (save_temps_prefix): New static for -save-temps=obj.
5836         (save_temps_length): Ditto.
5837
5838         * doc/invoke.texi (-save-temps=obj): Document new variant to
5839         -save-temps switch.
5840
5841 2009-04-02  Jeff Law  <law@redhat.com>
5842
5843         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
5844         variable.
5845
5846 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
5847
5848         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
5849         * configure: Regenerated.
5850
5851 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
5852
5853         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
5854         share the argument list.
5855
5856 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
5857
5858         Merge
5859
5860         2009-02-12  Diego Novillo  <dnovillo@google.com>
5861
5862         * varpool.c (debug_varpool): New.
5863         * cgraph.h (debug_varpool): Declare.
5864
5865 2009-04-02  Jan Hubicka  <jh@suse.cz>
5866
5867         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
5868         pass.
5869
5870 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
5871
5872         * config/i386/i386.c (ix86_abi): Move initialization to ...
5873         (override_options): Here.
5874
5875 2009-04-02  Christian Bruel  <christian.bruel@st.com>
5876
5877         * config/sh/sh.c (sh_dwarf_register_span): New function.
5878         (TARGET_DWARF_REGISTER_SPAN): Define.
5879         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
5880
5881 2009-04-02  Ira Rosen  <irar@il.ibm.com>
5882
5883         PR tree-optimization/39595
5884         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
5885         interleaved loads group is not  greater than the SLP group size.
5886
5887 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
5888
5889         * builtins.c (is_builtin_name): New.
5890         (called_as_built_in): Use is_builtin_name.
5891         * tree.h (is_builtin_name): New.
5892         * varasm.c (incorporeal_function_p): Use is_builtin_name
5893
5894 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
5895
5896         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
5897
5898 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
5899
5900         PR c++/26693
5901         * c-decl.c (clone_underlying_type): Move this ...
5902         * c-common.c (set_underlying_type): ... here.
5903         Also, make sure the function properly sets TYPE_STUB_DECL() on
5904         the newly created typedef variant type.
5905         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
5906         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
5907         points.
5908
5909 2009-04-02  Richard Guenther  <rguenther@suse.de>
5910
5911         PR tree-optimization/37221
5912         * tree-flow.h (degenerate_phi_result): Declare.
5913         * tree-ssa-dom.c (degenerate_phi_result): Export.
5914         * tree-scalar-evolution.c (analyze_initial_condition): If
5915         the initial condition is defined by a degenerate PHI node
5916         use the degenerate value.
5917
5918 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
5919
5920         PR rtl-optimization/39588
5921         * combine.c (merge_outer_ops): Do not set the constant when this
5922         is not necessary.
5923         (simplify_shift_const_1): Do not modify it either in this case.
5924
5925 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
5926
5927         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
5928         tuning is deprecated if -mtune value is set to an Itanium1 variant.
5929
5930 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
5931
5932         PR c/29027
5933         * c-lex.c (interpret_float): Default (no suffix) is double.
5934
5935 2009-04-1  Xinliang David Li  <davidxl@google.com>
5936
5937         * config/i386/i386.c (legitimate_constant_p): Recognize
5938         all one vector constant.
5939
5940 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5941
5942         * config/vax/vax.c: Add #includes to silence warnings.
5943         Change #include order to silence two warnings.
5944
5945 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5946
5947         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
5948         (ASM_SPEC): Pass -k to the assembler for PIC code.
5949
5950 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5951
5952         * config.gcc: Add vax-*-linux* to the switch.
5953         * config/vax/linux.h: New file. (TARGET_VERSION,
5954         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
5955
5956 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5957
5958         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
5959         Use predicate macros instead of GET_CODE() == foo.
5960         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
5961         ashlsi3, rotrsi3, <unnamed>): Likewise.
5962
5963 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5964
5965         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
5966         jbbccihi, jbbccisi): Remova trailing whitespace.
5967         * config/vax/constraints.md: Likewise.
5968         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
5969         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
5970         * config/vax/predicates.md: Likewise.
5971         * config/vax/vax.c (print_operand_address, vax_output_int_move,
5972         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
5973         * config/vax/vax.h: Likewise.
5974         * config/vax/vax.md (nonlocal_goto): Likewise.
5975
5976 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5977
5978         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
5979         (indirectable_address_p, adjacent_operands_p): Add spaces around
5980         braces.
5981         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
5982
5983 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5984
5985         * config/vax/vax.c (legitimate_constant_address_p,
5986         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
5987         index_term_p, reg_plus_index_p, legitimate_address_p,
5988         vax_mode_dependent_address_p): Update comments to match functions
5989         modified by the recent int->bool conversion.
5990
5991 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5992
5993         * config/vax/builtins.md: Update copyright message.
5994         * config/vax/constraints.md: Likewise.
5995         * config/vax/netbsd-elf.h: Likewise.
5996         * config/vax/predicates.md: Likewise.
5997         * config/vax/vax-protos.h: Likewise.
5998         * config/vax/vax.c: Likewise.
5999         * config/vax/vax.h: Likewise.
6000         * config/vax/vax.md: Likewise.
6001         * config/vax/vax.opt: Likewise.
6002
6003 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6004
6005         * config/vax/builtins.md (ffssi2, ffssi2_internal,
6006         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
6007         * config/vax/constraints.md (B, R): Likewise.
6008         * config/vax/predicates.md (external_memory_operand,
6009         nonimmediate_addsub_di_operand): Likewise.
6010         * config/vax/vax.c (vax_output_int_add): Likewise.
6011         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
6012         untyped_call): Likewise.
6013
6014 2009-04-01  Matt Thomas  <matt@3am-software.com>
6015
6016         * config/vax/predicates.md: New file.
6017         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
6018         external_const_operand, nonsymbolic_operand, external_memory_operand,
6019         indirect_memory_operand, indexed_memory_operand,
6020         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
6021         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
6022         predicate.
6023         * config/vax/constraints.md: New file.
6024         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
6025         New constraint.
6026         * config/vax/builtins.md: New file.
6027         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
6028         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
6029         jbbccisi): Define.
6030         * config/vax/vax.opt (mqmath): Add option.
6031         * config/vax/vax.md (isfx): Extend with DI.
6032         (VAXintQH, VAXintQHSD): Define.
6033         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
6034         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
6035         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
6036         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
6037         (movdi): Update constraints and use vax_output_int_move().
6038         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
6039         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
6040         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
6041         nonlocal_goto): New.
6042         (mov<mode>): Extend accepted operand types.
6043         (subdi3_old): Rename from subdi3, change update constraints and use
6044         a new implementation.
6045         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
6046         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
6047         MOVE_RATIO, CLEAR_RATIO): Define.
6048         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
6049         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6050         (PRINT_OPERAND): Redefine using a function instead of inlined code.
6051         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
6052         (split_quadword_operands): Make static and really allow variable
6053         splitting.
6054         (print_operand_address): Update for PIC generation.
6055         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
6056         indexable_address_p, fixup_mathdi_operand,
6057         vax_expand_addsub_di_operands, adjacent_operands_p): New.
6058         (vax_float_literal, legitimate_constant_p,
6059         indirectable_constant_address_p, index_term_p,
6060         reg_plus_index_p): Return bool instead of int.
6061         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
6062         where needed.
6063         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
6064         generation.
6065         (vax_output_conditional_branch): Indent.
6066         (legitimate_constant_address_p, indirectable_constant_address_p,
6067         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
6068         vax_mode_dependent_address_p): Return bool instead of int, update for
6069         PIC generation.
6070         * config/vax/vax-protos.h (legitimate_constant_address_p,
6071         legitimate_constant_p, legitimate_address_p,
6072         vax_mode_dependent_address_p): Change declaration to bool.
6073         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
6074         vax_expand_addsub_di_operands, vax_output_int_subtract,
6075         vax_output_movmemsi): Declare.
6076         (split_quadword_operands, vax_float_literal): Delete declaration.
6077         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
6078         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
6079         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
6080         ASM_OUTPUT_DWARF_PCREL): Define.
6081         (ASM_SPEC): Change definition to allow PIC generation.
6082
6083 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
6084
6085         * doc/sourcebuild.texi: Update front-end requirements.
6086
6087 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6088
6089         PR target/39226
6090         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
6091         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
6092         (booldi3_internal3): Use boolean_or_operator instead of
6093         boolean_operator.
6094
6095 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
6096
6097         PR c/39605
6098         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
6099         declarator whose size is not an integer constant expression but
6100         folds to an integer constant, then treat it as a constant
6101         subsequently.
6102
6103 2009-04-01  Richard Guenther  <rguenther@suse.de>
6104
6105         * fold-const.c (fold_plusminus_mult_expr): Do not fold
6106         i * 4 + 2 to (i * 2 + 1) * 2.
6107
6108 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6109
6110         PR c/37772
6111         * c-parser.c (c_parser_asm_statement): Skip until close paren and
6112         return if c_parser_asm_string_literal returned NULL.
6113
6114 2009-04-01  Nick Clifton  <nickc@redhat.com>
6115
6116         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
6117         already defined.
6118         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
6119         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
6120         other typedefs to avoid conflicts with libgcc2.c.  Define labels
6121         to gain 16-bit bit-manipulation functions from libgcc2.c and then
6122         include it.
6123         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
6124         to gain 16-bit trapping arithmetic functions from libgcc2.c and
6125         then include it.
6126
6127 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
6128
6129         * varasm.c (default_function_rodata_section): Declare DOT as
6130         const char*.
6131
6132 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
6133             Andrey Galkin  <agalkin@hypercom.com>
6134
6135         PR/39492
6136         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
6137         Make object_name unique for each process.
6138
6139 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6140
6141         PR other/39591
6142         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
6143         addressable variables in the parallel that could go out of scope while
6144         running queued tasks.
6145
6146 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
6147
6148         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
6149         (CASE_VALUES_THRESHOLD): Redefine.
6150         * config/avr/avr.c (avr_override_options): Remove initialization of
6151         avr_case_values_threshold variable.
6152         (avr_case_values_threshold): Remove variable. Add new function.
6153         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
6154         * config/avr/avr.opt (mno-tablejump): Remove option.
6155         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
6156
6157 2009-04-01  DJ Delorie  <dj@redhat.com>
6158
6159         * varasm.c (default_function_rodata_section): Don't assume
6160         anything about where the first '.' in the section name is.
6161
6162 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
6163
6164         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
6165         rs6000_emit_stack_tie.
6166
6167 2009-03-31  Ian Lance Taylor  <iant@google.com>
6168
6169         * tree-eh.c (tree_remove_unreachable_handlers): Compare
6170         gimple_code with GIMPLE_RESX, not RESX.
6171
6172 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6173
6174         * c-common.c (c_get_ident): New.
6175         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
6176
6177 2009-04-01  Ben Elliston  <bje@au.ibm.com>
6178
6179         * config/rs6000/sysv4.opt (msdata): Improve option description.
6180
6181 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
6182
6183         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
6184         (divdf3_internal_lat): Remove.
6185         (divxf3_internal_lat): Remove.
6186         (divxf3_internal_thr): Remove.
6187         (divxf): Use divxf3_internal.
6188         * config/ia64/div.md (divsf3_internal_lat): New.
6189         (divdf3_internal_lat): New.
6190         (divxf3_internal): New.
6191
6192 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6193
6194         PR c/448
6195         * Makefile.in (USE_GCC_STDINT): Define.
6196         (stmp-int-hdrs): Install stdint.h if applicable.
6197         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
6198         if known.
6199         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
6200         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
6201         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
6202         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6203         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6204         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6205         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6206         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6207         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
6208         (c_common_nodes_and_builtins): Initialize
6209         underlying_wchar_type_node.  Do not initialize
6210         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
6211         nodes for new types.
6212         (c_stddef_cpp_builtins): Define macros for new types.
6213         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
6214         Remove.
6215         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
6216         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
6217         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
6218         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
6219         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
6220         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
6221         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
6222         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
6223         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
6224         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
6225         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
6226         int16_type_node, int32_type_node, int64_type_node,
6227         uint8_type_node, uint16_type_node, c_uint32_type_node,
6228         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
6229         int_least32_type_node, int_least64_type_node,
6230         uint_least8_type_node, uint_least16_type_node,
6231         uint_least32_type_node, uint_least64_type_node,
6232         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
6233         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
6234         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
6235         uintptr_type_node): Define.
6236         * c-cppbuiltin.c (builtin_define_constants,
6237         builtin_define_type_minmax): New.
6238         (builtin_define_stdint_macros): Define more macros.
6239         (c_cpp_builtins): Define more limit macros.
6240         (type_suffix): New.
6241         (builtin_define_type_max): Define in terms of
6242         builtin_define_type_minmax.  Remove is_long parameter.  All
6243         callers changed.
6244         * config.gcc (use_gcc_stdint): Define.
6245         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
6246         Add newlib-stdint.h for generic targets.
6247         * config/glibc-stdint.h, config/newlib-stdint.h,
6248         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
6249         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
6250         * config/score/score.h (UINTPTR_TYPE): Define.
6251         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
6252         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
6253         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6254         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6255         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6256         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6257         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6258         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
6259         * config/spu/spu.h (STDINT_LONG32): Define.
6260         * configure.ac (use_gcc_stdint): Substitute.
6261         * configure: Regenerate.
6262         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
6263         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
6264         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
6265         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
6266         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
6267         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
6268         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
6269         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
6270         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
6271         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
6272         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
6273         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
6274         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
6275         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
6276         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
6277         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
6278         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
6279         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
6280         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
6281         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
6282         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
6283         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
6284         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
6285         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6286         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6287         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6288         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6289         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6290         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
6291
6292 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
6293
6294         * loop-iv.c (suitable_set_for_replacement): Renamed from
6295         simplify_using_assignment; changed to return bool and to accept new
6296         args DEST and SRC.  Return true iff we find a source/destination pair
6297         that can be used to make a replacement, and fill SRC and DEST if so.
6298         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
6299         changed.
6300         (simplify_using_initial_values): Deal with altered regs here and track
6301         more precisely the effect they have on the validity of our expression.
6302
6303         * loop-iv.c (simplify_using_condition): A condition of the form
6304         (EQ REG CONST) can be used to simply make a substitution.
6305         (simplify_using_initial_values): Keep track of conditions we have seen
6306         and keep using them to simplify new expressions, while applying the
6307         same substitutions to them as to the expression.
6308
6309         * simplify-rtx.c (simplify_relational_operation_1): Simplify
6310         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
6311         GEU/LTU reversed.
6312
6313         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
6314         changed.  Use this when trying to improve the upper bound.
6315         Generate the comparison by using simplify_gen_relational.
6316
6317         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
6318
6319         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
6320         functions.
6321         (simplify_using_assignment, simplify_using_initial_values): Call
6322         replace_in_expr to make replacements.  Call replace_single_def_regs
6323         once on the initial version of the expression.
6324
6325 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6326
6327         PR target/27237
6328         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
6329
6330 2009-03-31  Richard Guenther  <rguenther@suse.de>
6331
6332         PR middle-end/31029
6333         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
6334         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
6335
6336 2009-03-31  Richard Guenther  <rguenther@suse.de>
6337
6338         * tree.h (div_if_zero_remainder): Declare.
6339         * fold-const.c (div_if_zero_remainder): Export.
6340         * tree-ssa-forwprop.c
6341         (forward_propagate_addr_into_variable_array_index): Handle
6342         constant array index addition outside of the variable index.
6343
6344 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6345
6346         PR target/39592
6347         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
6348         define_splits, floatunssi<mode>2): Require x87 conversions from
6349         DImode to be permitted.
6350
6351 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6352
6353         PR preprocessor/15638
6354         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
6355
6356 2009-03-31  Richard Guenther  <rguenther@suse.de>
6357
6358         PR middle-end/23401
6359         PR middle-end/27810
6360         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
6361         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
6362         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
6363         a separate statement.
6364         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
6365         (lookup_tmp_var): Likewise.
6366         (is_gimple_formal_tmp_or_call_rhs): Remove.
6367         (is_gimple_reg_or_call_rhs): Rename to ...
6368         (is_gimple_reg_rhs_or_call): ... this.
6369         (is_gimple_mem_or_call_rhs): Rename to ...
6370         (is_gimple_mem_rhs_or_call): ... this.
6371         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
6372         DECL_GIMPLE_REG_P only if is_formal is true.
6373         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
6374         for non-proper post-modify expression gimplification.
6375         (gimplify_self_mod_expr): For post-modify expressions gimplify
6376         the lvalue to a minimal lvalue.
6377         (rhs_predicate_for): Remove formal temp case.
6378         (gimplify_modify_expr_rhs): Likewise.
6379         (gimplify_addr_expr): Use is_gimple_reg.
6380         (gimplify_expr): Remove formal temp cases.
6381         (gimple_regimplify_operands): Likewise.
6382         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
6383         and FILTER_EXPR like constants.
6384         * gimple.c (walk_gimple_op): Fix val_only initialization, use
6385         is_gimple_reg.
6386         (is_gimple_formal_tmp_rhs): Remove.
6387         (is_gimple_reg_rhs): Remove special casing.
6388         (is_gimple_mem_rhs): Fix.
6389         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
6390         (is_gimple_formal_tmp_var): Remove.
6391         (is_gimple_formal_tmp_reg): Likewise.
6392         (is_gimple_min_lval): Allow invariant component ref parts.
6393         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
6394         is_gimple_formal_tmp_reg): Remove declarations.
6395         * tree-cfg.c (verify_expr): Verify that variables with address
6396         taken do not have DECL_GIMPLE_REG_P set.
6397         * tree-mudflap.c (mf_build_check_statement_for): Use
6398         force_gimple_operand instead of gimplify_expr.
6399
6400 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
6401
6402         * modulo-sched.c (sms_schedule_by_order): Pass the actual
6403         schedulable rows to compute_split_row.
6404
6405 2009-03-31  Ben Elliston  <bje@au.ibm.com>
6406
6407         PR target/31635
6408         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
6409         OPT_mvrsave.
6410
6411 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
6412
6413         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
6414         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
6415         * configure: Regenerate.
6416         * config.in: Regenerate.
6417         * config/rs6000/rs6000.opt (mtls-markers): Add.
6418         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
6419         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
6420         (tls_ld_aix, tls_ld_sysv): Likewise.
6421         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
6422         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
6423
6424 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
6425
6426         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
6427
6428 2009-03-30  Jan Hubicka  <jh@suse.cz>
6429
6430         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
6431         out of RESX.
6432         (tree_remove_unreachable_handlers): Cleanup EH predecestor
6433         detection and label handling.
6434
6435 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6436
6437         * ira-int.h (ira_allocno): Rename left_conflicts_num to
6438         left_conflicts_size.
6439         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
6440         ALLOCNO_LEFT_CONFLICTS_SIZE.
6441
6442         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
6443         remove_allocno_from_bucket_and_push,
6444         allocno_spill_priority_compare, push_allocnos_to_stack,
6445         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
6446         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
6447         (setup_allocno_left_conflicts_num): Ditto.  Rename to
6448         setup_allocno_left_conflicts_size.
6449         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
6450         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
6451         setup_allocno_left_conflicts_size instead of
6452         setup_allocno_left_conflicts_num.
6453
6454         * ira-build.c (ira_create_allocno): Use
6455         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
6456         ALLOCNO_LEFT_CONFLICTS_NUM.
6457
6458 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6459
6460         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
6461         instead of DF_LR_OUT.
6462
6463         * ira-lives.c (process_bb_node_lives): Ditto.
6464
6465         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
6466         instead of DF_LR_{OUT,IN}.
6467
6468         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
6469
6470         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
6471
6472 2009-03-30  Jan Hubicka  <jh@suse.cz>
6473
6474         * except.c (label_to_region_map): Fix thinko.
6475
6476 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
6477
6478         PR middle-end/38237
6479         * tree.h (tree_find_value): New declaration.
6480         * tree.c (tree_find_value): New function.
6481         * varasm.c (assemble_external): Avoid duplicate entries on lists.
6482
6483 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
6484
6485         PR debug/39563
6486         * c-decl.c (struct c_binding): Add locus field.
6487         (bind): Add locus argument, set locus field from it.
6488         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
6489         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
6490         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
6491         implicitly_declare, undeclared_variable, lookup_label,
6492         declare_label, c_make_fname_decl, c_builtin_function,
6493         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
6494         bind callers.
6495
6496 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
6497
6498         PR target/38781
6499         * config/i386/i386.c (classify_argument): Check total size of
6500         structure.
6501
6502 2009-03-30  Martin Jambor  <mjambor@suse.cz>
6503
6504         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
6505         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
6506         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
6507         respectively.
6508
6509         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
6510         seen_variable_array_ref while also traversing a union.
6511
6512         * tree-inline.c (optimize_inline_calls): Do not call
6513         cgraph_node_remove_callees.
6514         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
6515         (pass_remove_cgraph_callee_edges): New variable.
6516         * passes.c (init_optimization_passes): Add
6517         pass_remove_cgraph_callee_edges after early inlining and before all
6518         late intraprocedural passes.
6519
6520         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
6521
6522 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6523
6524         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
6525         Fix typos in names.
6526
6527 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6528
6529         * combine.c (simplify_comparison): Use have_insn_for.
6530         * dojump.c (do_jump): Likewise.
6531
6532 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6533
6534         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
6535         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
6536         sparc_compare_op0 like sparc_compare_emitted used to be handled.
6537         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
6538         instead of sparc_compare_emitted.
6539         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
6540         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
6541         instead of sparc_compare_emitted.
6542
6543 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6544
6545         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
6546         enter/exit cfglayout mode.
6547         (pass_partition_block): Require it.
6548         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
6549         (combine_instructions): Track basic blocks instead of labels.
6550         (update_cfg_for_uncondjump): New.
6551         (try_combine): Use it.  Update jumps after rescanning.
6552         (pass_combine): Require PROP_cfglayout.
6553         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
6554
6555 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6556
6557         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
6558         Provide/destroy PROP_cfglayout respectively.
6559         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
6560         * tree-pass.h (PROP_cfglayout): New.
6561
6562 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6563
6564         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
6565         fold_convert_const_fixed_from_fixed,
6566         fold_convert_const_fixed_from_int,
6567         fold_convert_const_fixed_from_real, fold_negate_const): Do not
6568         set TREE_CONSTANT_OVERFLOW.
6569         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
6570         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
6571
6572 2009-03-30  Ira Rosen  <irar@il.ibm.com>
6573
6574         * tree-vect-loop-manip.c: New file.
6575         * tree-vectorizer.c: Update documentation and included files.
6576         (vect_loop_location): Make extern.
6577         (rename_use_op): Move to tree-vect-loop-manip.c
6578         (rename_variables_in_bb, rename_variables_in_loop,
6579         slpeel_update_phis_for_duplicate_loop,
6580         slpeel_update_phi_nodes_for_guard1,
6581         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
6582         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
6583         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
6584         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
6585         find_loop_location): Likewise.
6586         (new_stmt_vec_info): Move to tree-vect-stmts.c.
6587         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
6588         get_vectype_for_scalar_type, vect_is_simple_use,
6589         supportable_widening_operation, supportable_narrowing_operation):
6590         Likewise.
6591         (bb_in_loop_p): Move to tree-vect-loop.c.
6592         (new_loop_vec_info, destroy_loop_vec_info,
6593         reduction_code_for_scalar_code, report_vect_op,
6594         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
6595         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
6596         (vect_supportable_dr_alignment): Likewise.
6597         * tree-vectorizer.h (tree-data-ref.h): Include.
6598         (vect_loop_location): Declare.
6599         Reorganize function declarations according to the new file structure.
6600         * tree-vect-loop.c: New file.
6601         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
6602         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
6603         * tree-vect-data-refs.c: New file.
6604         * tree-vect-patterns.c (timevar.h): Don't include.
6605         * tree-vect-stmts.c: New file.
6606         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
6607         tree-vect-slp.c, tree-vect-loop.c.
6608         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
6609         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
6610         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
6611         (tree-vect-analyze.o): Remove.
6612         (tree-vect-transform.o): Likewise.
6613         (tree-vect-data-refs.o): Add rule.
6614         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
6615         tree-vect-slp.o): Likewise.
6616         (tree-vect-patterns.o): Remove redundant dependencies.
6617         (tree-vectorizer.o): Likewise.
6618         * tree-vect-slp.c: New file.
6619
6620 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6621
6622         * optc-gen.awk: Warn if an option flag has multiple different
6623         help strings.
6624
6625 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
6626
6627         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
6628         -floop-block): Document dependences on PPL, CLooG and Graphite.
6629
6630 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
6631
6632         PR rtl-optimization/323
6633         * c-common.c (c_fully_fold, convert_and_check,
6634         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
6635         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
6636         * c-common.def (EXCESS_PRECISION_EXPR): New.
6637         * c-cppbuiltin.c (builtin_define_float_constants): Define
6638         constants with enough digits for long double.
6639         * c-lex.c (interpret_float): Interpret constant with excess
6640         precision where appropriate.
6641         * c-opts.c (c_common_post_options): Set
6642         flag_excess_precision_cmdline.  Give an error for
6643         -fexcess-precision=standard for C++ for processors where the
6644         option is significant.
6645         * c-parser.c (c_parser_conditional_expression): Handle excess
6646         precision in condition.
6647         * c-typeck.c (convert_arguments): Handle arguments with excess
6648         precision.
6649         (build_unary_op): Move excess precision outside operation.
6650         (build_conditional_expr): Likewise.
6651         (build_compound_expr): Likewise.
6652         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
6653         (build_modify_expr): Handle excess precision in RHS.
6654         (convert_for_assignment): Handle excess precision in converted
6655         value.
6656         (digest_init, output_init_element, process_init_element): Handle
6657         excess precision in initializer.
6658         (c_finish_return): Handle excess precision in return value.
6659         (build_binary_op): Handle excess precision in operands and add
6660         excess precision as needed for operation.
6661         * common.opt (-fexcess-precision=): New option.
6662         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
6663         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
6664         For standard excess precision, output explicit conversion to and
6665         truncation from XFmode.
6666         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
6667         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
6668         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
6669         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
6670         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
6671         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
6672         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
6673         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
6674         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
6675         define_splits, sqrt<mode>2): Disable where appropriate for
6676         standard excess precision.
6677         * convert.c (convert_to_real): Do not shorten arithmetic to type
6678         for which excess precision would be used.
6679         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
6680         * doc/invoke.texi (-fexcess-precision=): Document option.
6681         (-mfpmath=): Correct index entry.
6682         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
6683         flag_excess_precision): New.
6684         * langhooks.c (lhd_post_options): Set
6685         flag_excess_precision_cmdline.
6686         * opts.c (common_handle_option): Handle -fexcess-precision=.
6687         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
6688         init_excess_precision): New.
6689         (lang_dependent_init_target): Call init_excess_precision.
6690         * tree.c (excess_precision_type): New.
6691         * tree.h (excess_precision_type): Declare.
6692
6693 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
6694
6695         PR c/35235
6696         * c-typeck.c (build_component_ref): Do not copy qualifiers from
6697         non-lvalue to component.
6698
6699 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
6700
6701         PR preprocessor/34695
6702         * Makefile.in (c-opts.o): Depend on c-tree.h.
6703         * c-common.c: Move down include of diagnostic.h.
6704         (done_lexing, c_cpp_error): New.
6705         * c-common.h (done_lexing): Declare.
6706         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
6707         (parse_in).
6708         * c-opts.c: Include c-tree.h.
6709         (c_common_init_options): Set preprocessor error callback.
6710         (c_common_handle_option): Do not set preprocessor
6711         inhibit_warnings, warnings_are_errors, warn_system_headers,
6712         pedantic_errors or inhibit_warnings flags.
6713         (c_common_post_options): Do not check cpp_errors (parse_in).
6714         (c_common_finish): Do not output dependencies if there were
6715         errors.  Do not check return value of cpp_finish.
6716         * c-ppoutput.c (pp_file_change): Set input_location.
6717         * c-tree.h (c_cpp_error): Declare.
6718         * diagnostic.c (diagnostic_set_info_translated): Also initialize
6719         override_column.
6720         (diagnostic_build_prefix): Check override_column.
6721         * diagnostic.h (diagnostic_info): Add override_column field.
6722         (diagnostic_override_column): Define.
6723
6724 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
6725
6726         * c-common.c (c_expand_expr, c_staticp): Remove.
6727         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
6728         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
6729         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
6730         * c-gimplify.c (gimplify_compound_literal_expr,
6731         optimize_compound_literals_in_ctor): Remove.
6732         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
6733         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
6734         * c-semantics.c (emit_local_var): Remove.
6735
6736         * langhooks-def.h (lhd_expand_expr): Remove.
6737         * langhooks.c (lhd_expand_expr): Remove.
6738         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
6739
6740         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
6741         handling from c-semantics.c; don't call into langhook.
6742         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
6743         * gimplify.c (gimplify_compound_literal_expr,
6744         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
6745         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
6746         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
6747         as was done in c-gimplify.c.
6748         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
6749         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
6750         Move from c-common.h.
6751         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
6752
6753         * tree.c (staticp): Do not call langhook.
6754         * langhooks.c (lhd_staticp): Delete.
6755         * langhooks-def.h (lhd_staticp): Delete prototype.
6756         (LANG_HOOKS_STATICP): Delete.
6757         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
6758
6759         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
6760         instead of DECL_STMTs.
6761
6762 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
6763
6764         PR c/456
6765         PR c/5675
6766         PR c/19976
6767         PR c/29116
6768         PR c/31871
6769         PR c/35198
6770         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
6771         void_type_node.
6772         (fold_call_expr): Return a NOP_EXPR from folding rather than the
6773         contained expression.
6774         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
6775         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
6776         conditional expressions for C.
6777         (decl_constant_value_for_optimization): Move from
6778         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
6779         whether optimizing and that the expression is a VAR_DECL not of
6780         array type instead of doing such checks in the caller.  Do not
6781         check pedantic.  Call gcc_unreachable for C++.
6782         * c-common.def (C_MAYBE_CONST_EXPR): New.
6783         * c-common.h (c_fully_fold, c_save_expr,
6784         decl_constant_value_for_optimization): New prototypes.
6785         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
6786         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
6787         EXPR_INT_CONST_OPERANDS): Define.
6788         * c-convert.c (convert): Strip nops from expression.
6789         * c-decl.c (groktypename): Take extra parameters expr and
6790         expr_const_operands.  Update call to grokdeclarator.
6791         (start_decl): Update call to grokdeclarator.  Add statement for
6792         expressions used in type of decl.
6793         (grokparm): Update call to grokdeclarator.
6794         (push_parm_decl): Update call to grokdeclarator.
6795         (build_compound_literal): Add parameter non_const and build a
6796         C_MAYBE_COSNT_EXPR if applicable.
6797         (grokdeclarator): Take extra parameters expr and
6798         expr_const_operands.  Track expressions used in declaration
6799         specifiers and declarators.  Fold array sizes and track whether
6800         they are constant expressions and whether they are integer
6801         constant expressions.
6802         (parser_xref_tag): Set expr and expr_const_operands fields in
6803         return value.
6804         (grokfield): Update call to grokdeclarator.
6805         (start_function): Update call to grokdeclarator.
6806         (build_null_declspecs): Set expr and expr_const_operands fields in
6807         return value.
6808         (declspecs_add_type): Handle expressions in typeof specifiers.
6809         * c-parser.c (c_parser_declspecs): Set expr and
6810         expr_const_operands fields for declaration specifiers.
6811         (c_parser_enum_specifier): Likewise.
6812         (c_parser_struct_or_union_specifier): Likewise.
6813         (c_parser_typeof_specifier): Likewise.  Update call to
6814         groktypename.  Fold expression as needed.  Return expressions with
6815         type instead of adding statements.
6816         (c_parser_attributes): Update calls to c_parser_expr_list.
6817         (c_parser_statement_after_labels): Fold expression before passing
6818         to objc_build_throw_stmt.
6819         (c_parser_condition): Fold expression.
6820         (c_parser_asm_operands): Fold expression.
6821         (c_parser_conditional_expression): Use c_save_expr.  Update call
6822         to build_conditional_expr.
6823         (c_parser_alignof_expression): Update call to groktypename.
6824         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
6825         original_code.  Fold expression argument of va_arg.  Create
6826         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
6827         argument to va_arg.  Update calls to groktypename.  Fold array
6828         index for offsetof.  Verify that first argument to
6829         __builtin_choose_expr has integer type.
6830         (c_parser_postfix_expression_after_paren_type): Update calls to
6831         groktypename and build_compound_literal.  Handle expressions with
6832         side effects in type name.
6833         (c_parser_postfix_expression_after_primary): Update call to
6834         c_parser_expr_list.  Set original_code for calls to
6835         __builtin_constant_p.
6836         (c_parser_expr_list): Take extra parameter fold_p.  Fold
6837         expressions if requested.
6838         (c_parser_objc_type_name): Update call to groktypename.
6839         (c_parser_objc_synchronized_statement): Fold expression.
6840         (c_parser_objc_receiver): Fold expression.
6841         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
6842         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
6843         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
6844         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
6845         (struct c_typespec): Add elements expr and expr_const_operands.
6846         (struct c_declspecs): Add elements expr and expr_const_operands.
6847         (groktypename, build_conditional_expr, build_compound_literal):
6848         Update prototypes.
6849         (in_late_binary_op): Declare.
6850         * c-typeck.c (note_integer_operands): New function.
6851         (in_late_binary_op): New variable.
6852         (decl_constant_value_for_broken_optimization): Move to c-common.c
6853         and rename to decl_constant_value_for_optimization.
6854         (default_function_array_conversion): Do not strip nops.
6855         (default_conversion): Do not call
6856         decl_constant_value_for_broken_optimization.
6857         (build_array_ref): Do not fold result.
6858         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
6859         result when operand is a VLA.
6860         (c_expr_sizeof_type): Update call to groktypename.  Handle
6861         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
6862         result when operand names a VLA type.
6863         (build_function_call): Update call to build_compound_literal.
6864         Only fold result for calls to __builtin_* functions.  Strip
6865         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
6866         the function designator.
6867         (convert_arguments): Fold arguments.  Update call to
6868         convert_for_assignment.
6869         (build_unary_op): Handle increment and decrement of
6870         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
6871         decrement earlier.  Fold operand of increment and decrement.
6872         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
6873         built for integer operand.  Wrap returns that are INTEGER_CSTs
6874         without being integer constant expressions or that have integer
6875         constant operands without being INTEGER_CSTs.
6876         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
6877         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
6878         result is an integer constant expression or can be used in
6879         unevaluated parts of one and avoid folding and wrap as
6880         appropriate.  Fold operands before possibly doing -Wsign-compare
6881         warnings.
6882         (build_compound_expr): Wrap result for C99 if operands can be used
6883         in integer constant expressions.
6884         (build_c_cast): Update call to digest_init.  Do not ignore
6885         overflow from casting floating-point constants to integers.  Wrap
6886         results that could be confused with integer constant expressions,
6887         null pointer constants or floating-point constants.
6888         (c_cast_expr): Update call to groktypename.  Handle expressions
6889         included in type name.
6890         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
6891         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
6892         Update calls to convert_for_assignment.
6893         (convert_for_assignment): Take new parameter
6894         null_pointer_constant.  Do not strip nops or call
6895         decl_constant_value_for_broken_optimization.  Set
6896         in_late_binary_op for conversions to boolean.
6897         (store_init_value): Update call to digest_init.
6898         (digest_init): Take new parameter null_pointer_constant.  Do not
6899         call decl_constant_value_for_broken_optimization.  pedwarn for
6900         initializers not constant expressions.  Update calls to
6901         convert_for_assignment.
6902         (constructor_nonconst): New.
6903         (struct constructor_stack): Add nonconst element.
6904         (really_start_incremental_init, push_init_level, pop_init_level):
6905         Handle constructor_nonconst and nonconst element.
6906         (set_init_index): Call constant_expression_warning for array
6907         designators.
6908         (output_init_element): Fold value.  Set constructor_nonconst as
6909         applicable.  pedwarn for initializers not constant expressions.
6910         Update call to digest_init.  Call constant_expression_warning
6911         where constant initializers are required.
6912         (process_init_element): Use c_save_expr.
6913         (c_finish_goto_ptr): Fold expression.
6914         (c_finish_return): Fold return value.  Update call to
6915         convert_for_assignment.
6916         (c_start_case): Fold switch expression.
6917         (c_process_expr_stmt): Fold expression.
6918         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
6919         ensure statement expression is not evaluated in constant expression.
6920         (build_binary_op): Track whether results are integer constant
6921         expressions or may occur in such, disable folding and wrap results
6922         as applicable.  Fold operands for -Wsign-compare warnings unless
6923         in_late_binary_op.
6924         (c_objc_common_truthvalue_conversion): Handle results folded to
6925         integer constants that are not integer constant expressions.
6926         * doc/extend.texi: Document when typeof operands are evaluated,
6927         that condition of __builtin_choose_expr is an integer constant
6928         expression, and more about use of __builtin_constant_p in
6929         initializers.
6930
6931 2009-03-29  Richard Guenther  <rguenther@suse.de>
6932
6933         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
6934         propagate addresses of array references.
6935
6936 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
6937
6938         * regmove.c (perhaps_ends_bb_p): Remove.
6939         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
6940         from INSN and check that the main loop stays within that basic block.
6941         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
6942         (regmove_forward_pass): Split out from regmove_optimize.  Use
6943         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
6944         (regmove_backward_pass): Split out from regmove_optimize.  Use
6945         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
6946         (regmove_optimize): Simplify.
6947
6948 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
6949
6950         PR target/39545
6951         * config/i386/i386.c (classify_argument): Ignore flexible array
6952         member in struct and warn ABI change.
6953
6954 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
6955
6956         * config/i386/i386-protos.h (ix86_agi_dependent): New.
6957
6958         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
6959         (ix86_adjust_cost): Updated.
6960
6961 2009-03-29  Jan Hubicka  <jh@suse.cz>
6962
6963         PR middle-end/28850
6964         * tree-pass.h (pass_cleanup_eh): New function.
6965         (remove_unreachable_regions): Break code handling RTL
6966         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
6967         that can not be reached by runtime.
6968         (can_be_reached_by_runtime): New function.
6969         (label_to_region_map): New function.
6970         (num_eh_regions): New function.
6971         (rtl_remove_unreachable_regions): New function.
6972         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
6973         (remove_eh_region): New function.
6974         * except.h: Include sbitmap and vecprim.
6975         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
6976         num_eh_regions): Declare.
6977         * passes.c (init_optimization_passes): Schedule cleanup_eh.
6978         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
6979         * tree-eh.c (tree_remove_unreachable_handlers): New function.
6980         (tree_empty_eh_handler_p): New function.
6981         (cleanup_empty_eh): New function.
6982         (cleanup_eh): New function.
6983         (pass_cleanup_eh): New function.
6984
6985 2009-03-29  Jan Hubicka  <jh@suse.cz>
6986
6987         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
6988         for removed regions.
6989
6990 2009-03-29  Jan Hubicka  <jh@suse.cz>
6991
6992         * except.c (dump_eh_tree): Dump all datastructures.
6993
6994 2009-03-29  Jan Hubicka  <jh@suse.cz>
6995
6996         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
6997         (duplicate_eh_regions_1): Likewise.
6998         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
6999         vector; call EH verification.
7000         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
7001         Be ready for region being removed.
7002
7003 2009-03-29  Jan Hubicka  <jh@suse.cz>
7004
7005         * bitmap.c (bitmap_last_set_bit): New function.
7006         * bitmap.h (bitmap_last_set_bit): Declare.
7007
7008 2009-03-29  David Ayers  <ayers@fsfe.org>
7009
7010         PR objc/27377
7011         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
7012         by calling objc_compare_types and surpress warnings about
7013         incompatible C pointers that are compatible ObjC pointers.
7014
7015 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
7016
7017         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
7018         call initialize_inline_failed.
7019         (initialize_inline_failed): Move it from here ...
7020         * cgraph.c (initialize_inline_failed): ... to here.
7021         (cgraph_create_edge): Call initialize_inline_failed rather than
7022         setting inline_failed directly.
7023
7024 2009-03-29  Ben Elliston  <bje@au.ibm.com>
7025
7026         PR target/32542
7027         * sysv4.opt (msdata): Improve comment.
7028         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
7029         * sysv4.h (SVR4_ASM_SPEC): Likewise.
7030
7031 2009-03-29  Ben Elliston  <bje@au.ibm.com>
7032
7033         PR target/30451
7034         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
7035         load and store attributes.
7036
7037 2009-03-29  Ben Elliston  <bje@au.ibm.com>
7038
7039         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
7040         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
7041         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
7042         * doc/extend.texi (X86 Built-in Functions): Add index entries for
7043         __builtin_infq and __builtin_huge_valq.
7044
7045 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
7046
7047         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
7048         atmega8m1 devices.
7049         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7050         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
7051
7052 2009-03-28  Xinliang David Li  <davidxl@google.com>
7053
7054         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
7055         (do_dbg_cnt): New function.
7056
7057 2009-03-28  Jan Hubicka  <jh@suse.cz>
7058
7059         Merge from pretty-ipa:
7060
7061         2009-03-27  Jan Hubicka  <jh@suse.cz>
7062
7063         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
7064         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
7065         * passes.c (function_called_by_processed_nodes_p): New.
7066         * ipa-pure-const.c (check_call): Fix handling of operands.
7067         (analyze_function): Dump debug output for skipped bodies.
7068         (local_pure_const): Use function_called_by_processed_nodes_p.
7069         * dwarf2out.c (reference_to_unused): Use output.
7070         * passes.c (do_per_function_toporder): Likewise.
7071
7072         2008-11-12  Jan Hubicka  <jh@suse.cz>
7073
7074         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
7075         * ipa-pure-const.c (funct_state_d): Add can throw field; make
7076         state_set_in_source enum
7077         (check_decl): Ignore memory tags; do not set fake looping flags;
7078         dump diagnostics.
7079         (check_operand, check_tree, check_rhs_var, check_lhs_var,
7080         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
7081         (check_call, analyze_function): Rewrite.
7082         (check_stmt): New.
7083         (add_new_function): Update call of analyze_function.
7084         (generate_summary): Add call of analyze_function.
7085         (propagate): Propagate can_throw; handle state_set_in_source correctly.
7086         (local_pure_const): New function.
7087         (pass_local_pure_const): New pass.
7088         * ipa-inline.c (inline_transform): Set after_inlining.
7089         * tree-eh.c (stmt_can_throw_external): New.
7090         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
7091         work with aliasing built.
7092         * tree-flow.h (stmt_can_throw_external): New.
7093         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
7094         and local pure/const pass in early and late optimization queue.
7095
7096 2009-03-28  Martin Jambor  <mjambor@suse.cz>
7097
7098         * fold-const.c (get_pointer_modulus_and_residue): New parameter
7099         allow_func_align.
7100         (fold_binary): Allow function decl aligment consideration is the
7101         second argument is integer constant one.
7102         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
7103         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
7104         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
7105
7106 2009-03-28  Jan Hubicka  <jh@suse.cz>
7107
7108         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
7109         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
7110         * function.h (rtl_data): Add nothrow flag.
7111         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
7112         set DECL_NOTHROW for AVAILABLE functions.
7113
7114 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
7115
7116         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
7117         following vector keyword has expansion starting with pixel or bool
7118         keyword, expand vector to __vector and pixel or bool to __pixel or
7119         __bool.
7120
7121         PR c++/39554
7122         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
7123         warn_if_disallowed_function_p): Removed.
7124         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
7125         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
7126         warning_if_disallowed_function_p.
7127         * flags.h (warn_if_disallowed_function_p,
7128         warn_disallowed_functions): Removed.
7129         * common.opt (Wdisallowed-function-list=): Removed.
7130         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
7131
7132 2009-03-28  Richard Guenther  <rguenther@suse.de>
7133
7134         PR tree-optimization/38723
7135         * tree-ssa-pre.c (compute_avail): Add all default definitions to
7136         the entry block.
7137
7138 2009-03-28  Jan Hubicka  <jh@suse.cz>
7139
7140         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
7141         test introduced by my previous patch.
7142
7143 2009-03-28  Richard Guenther  <rguenther@suse.de>
7144
7145         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
7146         the PHIs value undefined.
7147
7148 2009-03-28  Jan Hubicka  <jh@suse.cz>
7149
7150         * tree-pass.h (pass_fixup_cfg): New pass.
7151         * ipa-inline.c (inline_transform): Set
7152         always_inline_functions_inlined/after_inlining.
7153         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
7154         (pass_fixup_cfg): New pass.
7155         * passes.c (init_optimization_passes): Add fixup_cfg.
7156
7157 2009-03-28  Richard Guenther  <rguenther@suse.de>
7158
7159         PR tree-optimization/38458
7160         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
7161         argument use the arguments copy-of value.
7162
7163 2009-03-28  Richard Guenther  <rguenther@suse.de>
7164
7165         PR tree-optimization/38180
7166         * tree-ssa-ccp.c (get_default_value): Simplify.
7167         (likely_value): Likewise.
7168         (surely_varying_stmt_p): Properly handle VOP case.
7169         (ccp_initialize): Likewise.
7170         (ccp_fold): Handle propagating through *&.
7171         (fold_const_aggregate_ref): Also handle decls.
7172
7173 2009-03-28  Jan Hubicka  <jh@suse.cz>
7174
7175         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
7176         * cgraph.h (cgraph_node): Likewise.
7177         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
7178         (cgraph_reset_node): Use process flag.
7179         (cgraph_mark_functions_to_output): Likewise.
7180         (cgraph_expand_function): Likewise.
7181         (cgraph_expand_all_functions): Likewise.
7182         (cgraph_output_in_order): Likewise.
7183         * dwarf2out.c (reference_to_unused): Likewise.
7184         * passes.c do_per_function_toporder): Likewise.
7185
7186 2009-03-28  Jan Hubicka  <jh@suse.cz>
7187
7188         Bring from lto-branch:
7189
7190         2008-09-03  Doug Kwan  <dougkwan@google.com>
7191
7192         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
7193         enums instead of reason strings.
7194         * cgraph.c (cgraph_create_edge): Same.
7195         (cgraph_inline_failed_string): New function.
7196         * cgraph.h (cgraph_inline_failed_t): New enum type.
7197         (cgraph_inline_failed_string): New prototype.
7198         (struct cgraph_edge): Change type of INLINED_FAILED from constant
7199         char pointer to cgraph_inline_failed_t.
7200         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
7201         (cgraph_default_inline_p): Ditto.
7202         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
7203         to cgraph_inline_failed_t pointer.
7204         * cif-code.def: New file.
7205         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
7206         reason string.
7207         (cgraph_check_inline_limits): Change type of REASON to pointer to
7208         cgraph_inline_failed_t.  Replace reason strings with enums.
7209         (cgraph_default_inline_p): Ditto.
7210         (cgraph_recursive_inlining_p): Ditto.
7211         (update_caller_keys): Change type of FAILED_REASON to
7212         cgraph_inline_failed_t.
7213         (cgraph_set_inline_failed): Change type of REASON to pointer to
7214         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
7215         convert enums to strings for text output.
7216         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
7217         to be of type cgraph_inline_failed_t.  Replace reason strings with
7218         enums.  Call cgraph_inline_failed_string to covert enums
7219         to strings for text output.
7220         (cgraph_decide_inlining): Replace reason strings with enums.
7221         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
7222         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
7223         for text output.
7224         * tree-inline.c (expand_call_inline): Change type of REASON
7225         to cgraph_inline_failed_t.  Replace reason strings with enums.
7226         Call cgraph_inline_failed_string for text output.
7227         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
7228         (cgraph.o): Ditto.
7229
7230 2009-03-28  Jan Hubicka  <jh@suse.cz>
7231
7232         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
7233         cgraph_clone_node): Remove master clone handling.
7234         (cgraph_is_master_clone, cgraph_master_clone): Remove.
7235         * cgraph.h (master_clone): Remove.
7236         (cgraph_is_master_clone, cgraph_master_clone): Remove.
7237         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
7238         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
7239
7240 2009-03-28  Jan Hubicka  <jh@suse.cz>
7241
7242         * cgraph.c (cgraph_function_body_availability): Functions declared
7243         inline are always safe to assume that it is not going to be replaced.
7244
7245 2009-03-28  Richard Guenther  <rguenther@suse.de>
7246
7247         PR tree-optimization/38513
7248         * tree-ssa-pre.c (eliminate): Remove redundant stores.
7249         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
7250         EXC_PTR_EXPR and FILTER_EXPR.
7251         (get_ref_from_reference_ops): Likewise.
7252
7253 2009-03-28  Richard Guenther  <rguenther@suse.de>
7254
7255         PR tree-optimization/38968
7256         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
7257         Use FLOOR_MOD_EXPR to compute misalignment.
7258
7259 2009-03-28  Richard Guenther  <rguenther@suse.de>
7260
7261         PR tree-optimization/37795
7262         * tree.h (combine_comparisons): Declare.
7263         * fold-const.c (combine_comparisons): Export.
7264         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
7265         comparisons.
7266         (ifcombine_iforif): Use combine_comparisons.
7267
7268 2009-03-28  Jan Hubicka  <jh@suse.cz>
7269
7270         * tree-eh.c (inlinable_call_p): New function.
7271         (make_eh_edges): Use it.
7272         (verify_eh_edges): Use it.
7273         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
7274         * except.c (reachable_next_level): Add inlinable_function argument
7275         (sjlj_find_directly_reachable_regions): Update.
7276         (add_reachable_handler): Do not set saw_any_handlers.
7277         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
7278         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
7279         Add new inlinable call parameter.
7280         (can_throw_internal, can_throw_external): Update.
7281         * except.h (can_throw_internal_1, can_throw_external_1,
7282         foreach_reachable_handler): Update declaration.
7283
7284 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
7285
7286         * config/arm/t-arm-coff, config/h8300/coff.h,
7287         config/i386/i386-aout.h, config/i386/i386-coff.h,
7288         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
7289         config/pdp11/2bsd.h, config/rs6000/aix41.h,
7290         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
7291         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
7292         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
7293         sys-types.h: Remove.
7294         * Makefile.in: Remove protoize and fixproto support and references
7295         in comments.
7296         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
7297         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
7298         Remove.
7299         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
7300         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
7301         unprotoize$(exeext).
7302         (rest.encap): Don't depend on $(STMP_FIXPROTO)
7303         (.PHONY): Don't depend on proto.
7304         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
7305         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
7306         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
7307         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
7308         build/gen-protos.o, build/scan.o, xsys-protos.h,
7309         build/fix-header$(build_exeext), build/fix-header.o,
7310         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
7311         stmp-install-fixproto): Remove.
7312         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
7313         SYSCALLS.c or fixproto files.
7314         (install-common): Don't install protoize.
7315         (install-headers-tar, install-headers-cpio, install-headers-cp):
7316         Don't depend on $(STMP_FIXPROTO).
7317         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
7318         install fixproto files or write out fixproto settings.
7319         (uninstall): Don't uninstall protoize.
7320         * config.gcc (use_fixproto): Remove.
7321         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
7322         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
7323         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
7324         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
7325         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
7326         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
7327         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
7328         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
7329         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
7330         * config/t-vxworks (STMP_FIXPROTO): Remove.
7331         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
7332         STMP_FIXPROTO): Remove.
7333         * config.in, configure: Regenerate.
7334         * crtstuff.c (gid_t, uid_t): Don't undefine.
7335         * doc/install.texi: Change m68k-coff to m68k-elf in example.
7336         (arm-*-coff, arm-*-aout: Remove target entries.
7337         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
7338         Remove mention of AIX 4.1.
7339         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
7340         * doc/invoke.texi (Running Protoize): Remove.
7341         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
7342         (Protoize Caveats): Remove.
7343         * tsystem.h: Update comments on headers assumed to exist.
7344
7345 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
7346
7347         * genautomata.c: Add a new year to the copyright.  Add a new
7348         reference.
7349         (struct insn_reserv_decl): Add comments for member bypass_list.
7350         (find_bypass): Remove.
7351         (insert_bypass): New.
7352         (process_decls): Use insert_bypass.
7353         (output_internal_insn_latency_func): Output all bypasses with the
7354         same input insn in one switch case.
7355
7356         * rtl.def (define_bypass): Describe bypass choice.
7357         * doc/md.texi (define_bypass): Ditto.
7358
7359 2009-03-27  Richard Guenther  <rguenther@suse.de>
7360
7361         * gimplify.c (mark_addressable): Export.
7362         * tree-flow.h (mark_addressable): Declare.
7363         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
7364         * tree-ssa.c (verify_phi_args): Verify that address taken
7365         variables have TREE_ADDRESSABLE set.
7366
7367 2009-03-27  Richard Guenther  <rguenther@suse.de>
7368
7369         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
7370         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
7371         Do not mark decls TREE_ADDRESSABLE.
7372         (build_fold_addr_expr): Adjust.
7373         (fold_addr_expr): Remove.
7374         (fold_unary): Use build_fold_addr_expr.
7375         (fold_comparison): Likewise.
7376         (split_address_to_core_and_offset): Likewise.
7377         * coverage.c (tree_coverage_counter_addr): Mark the array decl
7378         TREE_ADDRESSABLE.
7379         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
7380         (gimplify_modify_expr_to_memcpy): Mark source and destination
7381         addressable.
7382         * omp-low.c (create_omp_child_function): Mark the object decl
7383         TREE_ADDRESSABLE.
7384         (lower_rec_input_clauses): Mark the var we take the address of
7385         TREE_ADDRESSABLE.
7386         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
7387
7388 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7389
7390         PR middle-end/39315
7391         * cfgexpand.c (expand_one_stack_var_at): Change alignment
7392         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
7393
7394 2009-03-27  Richard Guenther  <rguenther@suse.de>
7395
7396         PR tree-optimization/39120
7397         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
7398         constraints.
7399         (handle_lhs_call): Process return constraints.  Add escape
7400         constraints if necessary.
7401         (handle_const_call): Fill out return constraints.  Make nested
7402         case more precise.  Avoid consttmp if possible.
7403         (handle_pure_call): Fill out return constraints.  Avoid
7404         callused if possible.
7405         (find_func_aliases): Simplify call handling.
7406
7407 2009-03-27  Richard Guenther  <rguenther@suse.de>
7408
7409         PR tree-optimization/39120
7410         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
7411         as a representative.
7412         (solve_graph): Do propagate CALLUSED.
7413         (handle_pure_call): Use a scalar constraint from CALLUSED for
7414         the return value.
7415         (find_what_p_points_to): CALLUSED shall not appear in poins-to
7416         solutions.
7417
7418 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7419
7420         PR c/39323
7421         * c-common.c (handle_aligned_attribute): Properly check alignment
7422         overflow.  Use (1U << i) instead of (1 << i).
7423
7424         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
7425
7426         * expr.h (get_mem_align_offset): Updated.
7427
7428         * tree.h (tree_decl_common): Change align to "unsigned int" and
7429         move it before pointer_alias_set.
7430
7431 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7432             Jakub Jelinek  <jakub@redhat.com>
7433
7434         PR target/38034
7435         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
7436         gr_register_operand with gr_reg_or_0_operand.
7437         (cmpxchg_rel_di): Likewise.
7438         (sync_lock_test_and_set<mode>): Likewise.
7439
7440 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7441
7442         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
7443         (true_regnum): Likewise.
7444
7445         * rtlanal.c (subreg_info): Moved to ...
7446         * rtl.h (subreg_info): Here.  New.
7447         (subreg_get_info): New.
7448
7449         * rtlanal.c (subreg_get_info): Make it extern.
7450
7451 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7452
7453         PR target/39472
7454         * config/i386/i386.c (ix86_abi): New.
7455         (override_options): Handle -mabi=.
7456         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
7457         (ix86_call_abi_override): Likewise.
7458         (init_cumulative_args): Likewise.
7459         (function_arg_advance): Likewise.
7460         (function_arg_64): Likewise.
7461         (function_arg): Likewise.
7462         (ix86_pass_by_reference): Likewise.
7463         (ix86_function_value_regno_p): Likewise.
7464         (ix86_build_builtin_va_list_abi): Likewise.
7465         (setup_incoming_varargs_64): Likewise.
7466         (is_va_list_char_pointer): Likewise.
7467         (ix86_init_machine_status): Likewise.
7468         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
7469         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
7470         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
7471         (ix86_function_abi): Make it static and return enum calling_abi.
7472         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
7473         with ix86_abi.
7474         (ix86_fn_abi_va_list): Updated.
7475
7476         * config/i386/i386.h (ix86_abi): New.
7477         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
7478         (CONDITIONAL_REGISTER_USAGE): Likewise.
7479         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
7480         (machine_function): Likewise.
7481
7482         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
7483         with ix86_abi.
7484         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
7485         (STACK_BOUNDARY): Likewise.
7486         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
7487
7488         * config/i386/i386.opt (mabi=): New.
7489
7490         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
7491         return enum calling_abi.
7492         (ix86_function_type_abi): Likewise.
7493         (ix86_function_abi): Removed.
7494
7495         * doc/invoke.texi: Document -mabi= option for x86.
7496
7497 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7498
7499         * builtins.c (real_dconstp): Delete.
7500         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
7501
7502 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
7503             Jakub Jelinek  <jakub@redhat.com>
7504
7505         PR debug/37959
7506         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
7507         (gen_subprogram_die): When a function is explicit, generate the
7508         DW_AT_explicit attribute.
7509         * langhooks.h (struct lang_hooks_for_decls): Add
7510         function_decl_explicit_p langhook.
7511         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
7512         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
7513
7514 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
7515
7516         * builtins.c (fold_builtin_memory_op): Optimize memmove
7517         into memcpy if we can prove source and destination don't overlap.
7518
7519         * tree-inline.c: Include gt-tree-inline.h.
7520         (clone_fn_id_num): New variable.
7521         (clone_function_name): New function.
7522         (tree_function_versioning): Use it.
7523         * Makefile.in (GTFILES): Add tree-inline.c.
7524
7525 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
7526
7527         * BASE-VER: Change to 4.5.0.
7528
7529 2009-03-27  Xinliang David Li  <davidxl@google.com>
7530
7531         PR tree-optimization/39557
7532         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
7533
7534 2009-03-27  Xinliang David Li  <davidxl@google.com>
7535
7536         PR tree-optimization/39548
7537         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
7538         candidate check.
7539
7540 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7541
7542         * c-common.c (pointer_int_sum): Use %wd on return from
7543         tree_low_cst.
7544
7545 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7546
7547         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
7548         on return from tree_low_cst.
7549
7550 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7551
7552         PR c++/36799
7553         * ginclude/stdarg.h (va_copy): Define also for
7554         __GXX_EXPERIMENTAL_CXX0X__.
7555
7556 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7557
7558         PR c++/35652
7559         * builtins.h (c_strlen): Do not warn here.
7560         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
7561         * c-common.c (pointer_int_sum): Take an explicit location.
7562         Warn about offsets out of bounds.
7563         * c-common.h (pointer_int_sum): Adjust declaration.
7564
7565 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7566
7567         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
7568         markup glitch.
7569
7570 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
7571
7572         PR c++/39554
7573         * opts.c (warn_if_disallowed_function_p): Don't assume
7574         get_callee_fndecl must return non-NULL.
7575
7576 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
7577
7578         PR rtl-optimization/39522
7579         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
7580         when reg_reloaded_valid is set.
7581
7582 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7583
7584         * config/spu/divv2df3.c: New file.
7585         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
7586         (DPBIT_FUNCS): Filter out _div_df.
7587
7588 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
7589
7590         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
7591         a jump insn, count that jump in the distance to the loop start.
7592
7593 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
7594
7595         PR target/39523
7596         * config/sh/sh.c (calc_live_regs): Fix condition for global
7597         registers except PIC_OFFSET_TABLE_REGNUM.
7598
7599 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
7600
7601         PR/39518
7602         * doc/invoke.texi (-mconsole): New.
7603         (-mcygwin): New.
7604         (-mno-cygwin): New.
7605         (-mdll): New.
7606         (-mnop-fun-dllimport): New.
7607         (-mthread): New.
7608         (-mwin32): New.
7609         (-mwindows): New.
7610         (sub section "i386 and x86-64 Windows Options"): New.
7611
7612 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
7613
7614         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
7615         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
7616
7617 2009-03-25  Richard Guenther  <rguenther@suse.de>
7618
7619         PR middle-end/39497
7620         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
7621         of -Wno-error.
7622
7623 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
7624
7625         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
7626         neither of haifa/selective schedulers are working.
7627
7628 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7629
7630         * doc/invoke.texi (Debugging Options): Fix description of
7631         -fno-merge-debug-strings.
7632
7633 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
7634
7635         * config/cris/libgcc.ver: New version-script.
7636         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
7637
7638         * configure.ac <GAS features, nop mnemonic>: Add pattern
7639         crisv32-*-* for "nop".
7640         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
7641         * configure: Regenerate.
7642
7643 2009-03-24  Ira Rosen  <irar@il.ibm.com>
7644
7645         PR tree-optimization/39529
7646         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
7647         mark_sym_for_renaming for the tag copied to the new vector
7648         pointer.
7649
7650 2009-03-24  Arthur Loiret  <aloiret@debian.org>
7651
7652         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
7653         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
7654         EXTRA_SPEC_FUNCTIONS.
7655         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
7656         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
7657         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
7658         -march and -mtune options.
7659
7660 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
7661
7662         * config/m68k/t-rtems: Add m5329 multilib.
7663
7664 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
7665             Jakub Jelinek  <jakub@redhat.com>
7666
7667         PR debug/39524
7668         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
7669         nodes.
7670
7671 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
7672
7673         PR c/39495
7674         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
7675         instead of c_parser_expression_conv, if original_code isn't one of the
7676         4 allowed comparison codes, fail.
7677
7678 2009-03-23  Richard Guenther  <rguenther@suse.de>
7679
7680         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
7681         * tree.h (struct tree_type): Likewise.
7682         * reload.h (struct insn_chain): Likewise.
7683         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
7684         * function.h (struct function): Likewise.
7685         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
7686
7687 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
7688
7689         PR tree-optimization/39516
7690         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
7691
7692 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
7693
7694         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
7695         should be set true if BITS_PER_WORD of target is bigger than 32
7696
7697 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
7698
7699         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
7700         Translate -B-options to -rpath-link.  Correct existing
7701         rpath-link and conditionalize on !nostdlib.
7702
7703 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7704
7705         * doc/extend.texi (Function Attributes, Variable Attributes):
7706         Fix typos.
7707         * doc/invoke.texi (Debugging Options, Optimize Options)
7708         (i386 and x86-64 Options, MCore Options): Likewise.
7709
7710 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
7711
7712         PR debug/37890
7713         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
7714         it for block local namespace aliases.
7715         (gen_decl_die): Pass context_die to gen_namespace_die.
7716
7717 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
7718
7719         PR c/39495
7720         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
7721         minimum or maximum value.
7722
7723 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
7724
7725         * reginfo.c (globalize_reg): Recompute derived reg sets.
7726
7727 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
7728
7729         PR target/39063
7730         * libgcc2.c (mprotect): Do not use signed arguments for
7731         VirtualProtect, use DWORD arguments.  Also fix the 'may
7732         be used uninitialized' warning for the np variable.
7733
7734 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
7735
7736         PR target/39496
7737         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
7738         functions using regparm calling conventions when not optimizing.
7739         (ix86_function_sseregparm): Similarly for sseregparm calling
7740         conventions.
7741
7742 2009-03-19  Li Feng  <nemokingdom@gmail.com>
7743
7744         PR middle-end/39500
7745         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
7746         dependence if the first conflict is after niter iterations.
7747
7748 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
7749
7750         PR middle-end/38609
7751         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
7752         functions with dynamic stack-pointer adjustments.
7753
7754 2009-03-19  Ben Elliston  <bje@au.ibm.com>
7755
7756         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
7757         option; change to -msdata=data.
7758
7759 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7760
7761         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
7762         and -fopenmp.
7763
7764 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
7765
7766         PR target/35180
7767         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
7768
7769 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
7770
7771         * doc/invoke.texi (Code Gen Options): Expand discussion of
7772         -fno-common.
7773
7774 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
7775
7776         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
7777         * matrix-reorg.c (struct matrix_info): Likewise.
7778         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
7779         * rtl.h (struct mem_attrs): Likewise.
7780         * df.h (struct df): Likewise.
7781         * tree-data-ref.h (struct data_dependence_relation): Likewise.
7782         * ira-int.h (struct ira_allocno): Likewise.
7783         * df-scan.c (struct df_collection_rec): Likewise.
7784         * ira.c (struct equivalence): Likewise.
7785         * function.c (struct temp_slot): Likewise.
7786         * cfgloop.h (struct loop): Likewise.
7787
7788         PR debug/39485
7789         * function.c (use_register_for_decl): When not optimizing, disregard
7790         register keyword for variables with types containing methods.
7791
7792 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
7793
7794         PR middle-end/39447
7795         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
7796         (is_simple_operand): Call contains_component_ref_p before calling data
7797         reference analysis that would fail on COMPONENT_REFs.
7798
7799         * tree-vrp.c (search_for_addr_array): Fix formatting.
7800
7801 2009-03-18  Richard Guenther  <rguenther@suse.de>
7802
7803         * tree-vect-transform.c (vect_loop_versioning): Fold the
7804         generated comparisons.
7805         * tree-vectorizer.c (set_prologue_iterations): Likewise.
7806         (slpeel_tree_peel_loop_to_edge): Likewise.
7807
7808 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7809
7810         PR middle-end/37805
7811         * opts.c (print_specific_help): In addition to `undocumented',
7812         accept `separate' and `joined' flags if passed alone.  Describe
7813         output by the first matched one of those.
7814         (common_handle_option): Skip over empty strings.
7815         * gcc.c (display_help): Fix help string for `--help='.
7816         * doc/invoke.texi (Option Summary, Overall Options): With
7817         `--help=', classes and qualifiers can both be repeated, but
7818         only the latter can be negated.  One should not pass only
7819         negated qualifiers.  Fix markup and examples.
7820
7821         Revert
7822         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
7823         PR middle-end/37805
7824         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
7825         and -fhelp=separate.
7826
7827 2009-03-17  Jing Yu  <jingyu@google.com>
7828
7829         PR middle-end/39378
7830         * function.h (struct rtl_data): Move is_thunk from here...
7831         (struct function): ...to here.
7832         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
7833         * varasm.c (assemble_start_function): Change is_thunk from crtl to
7834         cfun.
7835         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
7836         cfun.
7837         (alpha_does_function_need_gp, alpha_start_function): Likewise.
7838         (alpha_output_function_end_prologue): Likewise.
7839         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
7840         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
7841         (rs6000_output_function_epilogue): Likewise.
7842         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
7843
7844 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
7845
7846         PR target/39482
7847         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
7848         from different units in a single alternative.
7849         (*truncdfsf_i387): Ditto.
7850         (*truncxfsf2_mixed): Ditto.
7851         (*truncxfdf2_mixed): Ditto.
7852
7853 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
7854
7855         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
7856         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
7857
7858         PR debug/39474
7859         * tree-ssa-live.c (remove_unused_locals): Don't remove local
7860         unused non-artificial variables when not optimizing.
7861
7862         PR debug/39471
7863         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
7864         DW_TAG_imported_module even if decl is IMPORTED_DECL with
7865         NAMESPACE_DECL in its DECL_INITIAL.
7866
7867         PR middle-end/39443
7868         * optabs.c (set_user_assembler_libfunc): New function.
7869         * expr.h (set_user_assembler_libfunc): New prototype.
7870         * c-common.c: Include libfuncs.h.
7871         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
7872         for memcmp, memset, memcpy, memmove and abort.
7873         * Makefile.in (c-common.o): Depend on libfuncs.h.
7874
7875         PR debug/39412
7876         * dwarf2out.c (gen_inlined_enumeration_type_die,
7877         gen_inlined_structure_type_die, gen_inlined_union_type_die,
7878         gen_tagged_type_instantiation_die): Removed.
7879         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
7880         do nothing.
7881
7882 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
7883
7884         PR testsuite/38526
7885         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
7886         its use.
7887         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
7888         (check-parallel-%): Ditto.
7889         (check-consistency): Ditto.
7890
7891 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
7892
7893         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
7894         local variable rhs by NULL_TREE.
7895
7896 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7897
7898         PR target/39477
7899         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
7900
7901 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7902
7903         PR target/39476
7904         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
7905
7906 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7907
7908         PR target/39473
7909         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
7910         for ms->sysv ABI calls only in 64bit mode.
7911
7912         * config/i386/i386.md (untyped_call): Support 32bit.
7913
7914 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
7915
7916         * doc/extend.texi: Replace x86_65 with x86_64.
7917
7918 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
7919
7920         PR tree-optimization/39455
7921         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
7922         mismatches for POINTER_TYPE_P (type).
7923         (number_of_iterations_le): Likewise.
7924
7925 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
7926
7927         * config/picochip/picochip.c: Removed profiling support.
7928         * config/picochip/picochip.md: Removed profiling instruction.
7929         * config/picochip/picochip.h: Removed profiling builtin.
7930
7931 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
7932
7933         * doc/install.texi (--with-host-libstdcxx): Document.
7934
7935 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
7936
7937         PR target/34299
7938         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
7939         generate a warning if the function name does not begin with
7940         "__vector" and the function has either the 'signal' or 'interrupt'
7941         attribute, from here to ...
7942         (avr_declare_function_name): ...here. New function.
7943         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
7944         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
7945
7946 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
7947
7948         PR bootstrap/39454
7949         * cse.c (fold_rtx): Don't modify original const_arg1 when
7950         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
7951         separate variable instead.
7952         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
7953         from out of range shift counts.
7954         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
7955
7956 2009-03-13  Catherine Moore  <clm@codesourcery.com>
7957
7958         * config/i386/x-mingw32 (host-mingw32.o): Replace
7959         diagnostic.h with $(DIAGNOSTIC_H).
7960
7961 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
7962
7963         PR target/39431
7964         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
7965         predicate.
7966         * config/i386/sync.md (sync_compare_and_swap<mode>,
7967         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
7968         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
7969         into a register.
7970         (sync_double_compare_and_swapdi_pic,
7971         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
7972         cmpxchg8b_pic_memory_operand instead of just memory_operand.
7973
7974 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
7975
7976         PR target/39445
7977         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
7978
7979 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
7980
7981         PR target/39327
7982         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
7983         (avx_addsubv4df3): Likewise.
7984         (*avx_addsubv4sf3): Likewise.
7985         (sse3_addsubv4sf3): Likewise.
7986
7987 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
7988
7989         PR target/38824
7990         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
7991
7992 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
7993
7994         PR debug/39432
7995         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
7996         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
7997         registers for allocnos created from user-defined variables.
7998
7999 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8000
8001         PR target/39181
8002         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
8003         of non-integer mode as well.
8004
8005 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
8006
8007         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
8008         for functions for which the parameter types are unknown.
8009
8010 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
8011
8012         PR target/39137
8013         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
8014         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
8015         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
8016         * config/i386/i386.c (ix86_local_alignment): For
8017         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
8018         long long variables on the stack to avoid dynamic realignment.
8019         Allow the first argument to be a decl rather than type.
8020         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
8021
8022 2009-03-11  Nick Clifton  <nickc@redhat.com>
8023
8024         PR target/5362
8025         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
8026         options.
8027         Add description to mno-lsim option.
8028         * config/mcore/mcore.h: Remove comment about deprecated m4align
8029         option.
8030         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
8031         * doc/invoke.texi: Add description of mno-lsim and
8032         mstack-increment options.
8033
8034         * config/fr30/fr30.opt: Document the -mno-lsim option.
8035         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
8036         and -mno-lsim options.
8037
8038 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8039
8040         * fold-const.c (fold_comparison): Only call fold_inf_compare
8041         if the mode supports infinities.
8042
8043 2009-03-11  Jason Merrill  <jason@redhat.com>
8044
8045         PR debug/39086
8046         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
8047         end already did.  Notice GIMPLE_CALL modifications of the result.
8048         Don't copy debug information from an ignored decl or a decl from
8049         another function.
8050
8051 2009-03-10  Richard Guenther  <rguenther@suse.de>
8052             Nathan Froyd  <froydnj@codesourcery.com>
8053
8054         PR middle-end/37850
8055         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
8056         (__divMODE3): Likewise.
8057
8058 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
8059
8060         PR tree-optimization/39394
8061         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
8062         DECL_SIZE_UNIT of variable length FIELD_DECLs.
8063
8064 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
8065
8066         * recog.c (verfiy_changes): Disallow renaming of hard regs in
8067         inline asms for register asm ("") declarations.
8068
8069 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
8070
8071         * fold-const.c (fold_unary): Fix comment.
8072
8073 2009-03-07  Jan Hubicka  <jh@suse.cz>
8074
8075         PR target/39361
8076         * tree-inline.c (setup_one_parameter): Do replacement of const
8077         argument by constant in SSA form.
8078
8079 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8080
8081         PR middle-end/38028
8082         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
8083         determine alignment passed to assign_stack_local.
8084         (assign_parms_unsplit_complex): Likewise.
8085         * except.c (sjlj_build_landing_pads): Likewise.
8086
8087 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
8088
8089         PR middle-end/39360
8090         * tree-flow.h (add_referenced_var): Return bool instead of void.
8091         * tree-dfa.c (add_referenced_var): Return result of
8092         referenced_var_check_and_insert call.
8093         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
8094         of referenced_var_check_and_insert.
8095
8096         PR debug/39372
8097         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
8098         (gen_variable_die): Emit DW_AT_location on abstract static variable's
8099         DIE, don't emit it if abstract origin already has it.
8100         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
8101         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
8102
8103 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
8104
8105         * genpreds.c (needs_variable): Fix parentheses at variable name
8106         detection.
8107         (write_tm_constrs_h): Indent generated code.
8108
8109 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8110
8111         * doc/extend.texi (Function Attributes): Add documentation
8112         for isr attributes.
8113
8114 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
8115
8116         PR debug/39387
8117         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
8118         take locus from its DECL_SOURCE_LOCATION instead of input_location.
8119
8120 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
8121
8122         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
8123         the loop as bad.
8124
8125 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
8126
8127         PR debug/39379
8128         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
8129         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
8130
8131 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
8132
8133         * config/i386/i386.md (R8_REG, R9_REG): New constants.
8134         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
8135         constants instead of magic numbers.
8136         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
8137         (QI_REG_P): Ditto.
8138         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
8139         (x86_64_ms_abi_int_parameter_registers): Ditto.
8140         (x86_64_int_return_registers): Ditto.
8141         (ix86_maybe_switch_abi): Ditto.
8142         (ix86_expand_call): Ditto for clobbered_registers array.
8143         (ix86_hard_regno_mode_ok): Ditto.
8144         (x86_extended_QIreg_mentioned_p): Ditto.
8145
8146 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
8147
8148         PR tree-optimization/39349
8149         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
8150
8151         * combine.c (gen_lowpart_for_combine): Use omode when generating
8152         clobber.
8153
8154 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
8155
8156         PR rtl-optimization/39235
8157         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
8158
8159 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
8160
8161         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
8162
8163 2009-03-04  Richard Guenther  <rguenther@suse.de>
8164
8165         PR tree-optimization/39362
8166         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
8167         that occur in abnormal PHIs should be varying.
8168
8169 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
8170
8171         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
8172         Extend comments.
8173         (simple_iv):  Take loop as an argument instead of statement.
8174         * tree-scalar-evolution.h (simple_iv): Declaration changed.
8175         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
8176         to simple_iv.
8177         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
8178         Ditto.
8179         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
8180         * matrix-reorg.c (analyze_transpose): Ditto.
8181         * tree-data-ref.c (dr_analyze_innermost): Ditto.
8182         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
8183         * tree-predcom.c (ref_at_iteration): Ditto.
8184         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
8185
8186 2009-03-04  Richard Guenther  <rguenther@suse.de>
8187
8188         PR tree-optimization/39358
8189         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
8190         escaped_id and callused_id.
8191         (solve_graph): Likewise.
8192
8193 2009-03-04  Richard Guenther  <rguenther@suse.de>
8194
8195         PR tree-optimization/39339
8196         * tree-sra.c (try_instantiate_multiple_fields): Make it
8197         no longer ICE on the above.
8198
8199 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
8200
8201         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
8202         that fits within Pmode.
8203
8204 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
8205
8206         PR middle-end/10109
8207         * tm.texi (LIBCALL_VALUE): Update description.
8208
8209 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
8210
8211         PR middle-end/34443
8212         * doc/extend.texi (section): Update description.
8213
8214 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
8215
8216         PR middle-end/39345
8217         * tree-inline.c (remapped_type): New.
8218         (can_be_nonlocal): Call remapped_type instead of remap_type.
8219
8220 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
8221
8222         PR fortran/39354
8223         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
8224         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
8225
8226 2009-03-03  Richard Guenther  <rguenther@suse.de>
8227
8228         PR middle-end/39272
8229         * tree.c (tree_nonartificial_location): New function.
8230         * tree.h (tree_nonartificial_location): Declare.
8231         * builtins.c (expand_builtin_memory_chk): Provide location
8232         of the call location for artificial function pieces.
8233         (maybe_emit_chk_warning): Likewise.
8234         (maybe_emit_sprintf_chk_warning): Likewise.
8235         (maybe_emit_free_warning): Likewise.
8236         * expr.c (expand_expr_real_1): Likewise.
8237
8238 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
8239
8240         PR tree-optimization/39343
8241         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
8242         COMPONENT_REF t has ARRAY_TYPE.
8243
8244 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
8245
8246         PR middle-end/39335
8247         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
8248         when the type precision of the induction variable should be
8249         larger than the type precision of nit.
8250         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
8251         * graphite.c (graphite_loop_normal_form): Same.
8252         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
8253
8254 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
8255
8256         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
8257         (*call_1_rex64_ms_sysv): Use named constants instead of magic
8258         numbers to describe clobbered registers.
8259         (*call_value_0_rex64_ms_sysv): Ditto.
8260         * config/i386/mmx.md (mmx_emms): Ditto.
8261         (mmx_femms): Ditto.
8262
8263 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
8264
8265         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
8266         of ABI_64.
8267
8268 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8269
8270         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
8271         (spu_section_type_flags): New function.
8272
8273 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
8274
8275         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
8276         reg_class_contents of FLOAT_REGS into a temporary.
8277
8278 2009-03-02  Richard Guenther  <rguenther@suse.de>
8279             Ira Rosen  <irar@il.ibm.com>
8280
8281         PR tree-optimization/39318
8282         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
8283         information to the vectorized statement.
8284
8285 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
8286
8287         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
8288         variable.  Use defined names instead of magic constants for REX SSE
8289         registers.
8290
8291 2009-03-01  Richard Guenther  <rguenther@suse.de>
8292
8293         PR tree-optimization/39331
8294         * omp-low.c (lower_send_shared_vars): Do not receive new
8295         values for the reference of DECL_BY_REFERENCE parms or results.
8296
8297 2009-03-01  Jan Hubicka  <jh@suse.cz>
8298
8299         PR debug/39267
8300         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
8301         BLOCK_NONLOCALIZED_VAR): New macros.
8302         (tree_block): Add nonlocalized_vars.
8303         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
8304         gen_decl_die): Add origin argument.  Allow generation of die with
8305         origin at hand only.
8306         (gen_member_die, gen_type_die_with_usage, force_decl_die,
8307         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
8308         of gen_*.
8309         (gen_block_die): Fix checking for unused blocks.
8310         (process_scope_var): Break out from .... ; work with origins only.
8311         (decls_for_scope) ... here; process nonlocalized list.
8312         (dwarf2out_ignore_block): Look for nonlocalized vars.
8313         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
8314         vars.
8315         (dump_scope_block): Dump them.
8316         * tree-inline.c (remap_decls): Handle nonlocalized vars.
8317         (remap_block): Likewise.
8318         (can_be_nonlocal): New predicate.
8319         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
8320
8321 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8322
8323         * configure: Regenerate.
8324
8325 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8326
8327         * optc-gen.awk: No need to duplicate option flags twice.
8328         Reuse help texts for duplicate options which do not have any.
8329
8330         * gcc.c (display_help): Document --version.
8331
8332         * gcc.c (main): If print_help_list and verbose_flag, ensure
8333         driver output comes before subprocess output.
8334
8335         * optc-gen.awk: Assign all remaining fields to help string,
8336         space-separated, for multi-line help in *.opt.
8337
8338         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
8339         -Wno-pedantic-ms-format is for MinGW targets only.
8340
8341         * doc/options.texi (Option file format): Fix bad indentation,
8342         restoring dropped sentence.
8343
8344 2009-02-28  Jan Hubicka  <jh@suse.cz>
8345
8346         * tree-inline.c (tree_function_versioning): Output debug info.
8347
8348 2009-02-28  Jan Hubicka  <jh@suse.cz>
8349
8350         PR debug/39267
8351         * tree-inline.c (setup_one_parameter): Do not copy propagate
8352         arguments when not optimizing.
8353
8354 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
8355
8356         PR target/39327
8357         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
8358         (avx_addsubv4df3): Likewise.
8359         (*avx_addsubv4sf3): Likewise.
8360         (sse3_addsubv4sf3): Likewise.
8361         (*avx_addsubv2df3): Likewise.
8362         (sse3_addsubv2df3): Likewise.
8363         (avx_unpckhps256): Correct item selectors.
8364         (avx_unpcklps256): Likewise.
8365         (avx_unpckhpd256): Likewise.
8366         (avx_unpcklpd256): Likewise.
8367
8368 2009-02-28  Jan Hubicka  <jh@suse.cz>
8369
8370         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
8371         static vars.
8372         (copy_arguments_for_versioning): If var is declared don't declare it.
8373         (tree_function_versioning): First setup substitutions and then copy
8374         args.
8375
8376 2009-02-27  Jan Hubicka  <jh@suse.cz>
8377
8378         PR debug/39267
8379         * cgraph.h (varpool_output_debug_info): Remove.
8380         * cgraphunit.c (varpool_output_debug_info): Remove.
8381         * dwarf2out.c (deferred_locations_struct): New struct
8382         (deferred_locations): New type.
8383         (deferred_locations_list): New static var.
8384         (deffer_location): New function.
8385         (gen_variable_die): Use it.
8386         (decls_for_scope): Output info on local static vars.
8387         (dwarf2out_finish): Process deferred locations.
8388         * varpool.c (varpool_output_debug_info): Remove.
8389
8390 2009-02-27  Jan Hubicka  <jh@suse.cz>
8391
8392         PR debug/39267
8393         * tree.h (TREE_PROTECTED): Fix comment.
8394         (BLOCK_HANDLER_BLOCK): Remove.
8395         (struct tree_block): Remove handler_block add body_block.
8396         (inlined_function_outer_scope_p): New.
8397         (is_body_block): Remove.
8398         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
8399         * dwarf2out.c (is_inlined_entry_point): Remove.
8400         (add_high_low_attributes): Use inlined_function_outer_scope_p.
8401         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
8402         code.
8403         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
8404         * gimplify.c (gimplify_expr): Gimplify body blocks.
8405         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
8406         block with multiple subblocks.
8407         (dump_scope_block): Prettier output; dump more flags and info.
8408         (dump_scope_blocks): New.
8409         (remove_unused_locals): Use dump_scope_blocks.
8410         * tree-flow.h (dump_scope_blocks): Declare.
8411         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
8412         * stmt.c (is_body_block): Remove.
8413         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
8414         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
8415
8416 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
8417
8418         PR middle-end/39308
8419         * graphite.c (graphite_loop_normal_form): Do not call
8420         number_of_iterations_exit from a gcc_assert.
8421
8422 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
8423
8424         * config/s390/s390.c (s390_swap_cmp): Look for conditional
8425         jumps if COND is NULL.
8426         (find_cond_jump): New function.
8427         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
8428         * config/s390/s390.md: Remove z10_cobra attribute value.
8429
8430 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
8431
8432         * config/alpha/alpha.h (alpha_expand_mov): Return false if
8433         force_const_mem returns NULL_RTX.
8434
8435 2009-02-26  Jan Hubicka  <jh@suse.cz>
8436
8437         PR debug/39267
8438         * cgraph.h (varpool_output_debug_info): Remove.
8439         * cgraphunit.c (varpool_output_debug_info): Remove.
8440         * dwarf2out.c (deferred_locations_struct): New struct
8441         (deferred_locations): New type.
8442         (deferred_locations_list): New static var.
8443         (deffer_location): New function.
8444         (gen_variable_die): Use it.
8445         (decls_for_scope): Output info on local static vars.
8446         (dwarf2out_finish): Process deferred locations.
8447         * varpool.c (varpool_output_debug_info): Remove.
8448
8449 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
8450
8451         PR rtl-optimization/39241
8452         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
8453         to subreg_offset_representable_p.
8454
8455 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
8456
8457         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
8458         execute function prototype.  Get f and nregs from max_reg_num
8459         and get_insns.  Remove the first backward pass as it's dead,
8460         guard the forward pass by flag_expensive_optimizations.
8461         (rest_of_handle_regmove): Delete.
8462         (pass_regmove): Replace it with regmove_optimize.
8463
8464 2009-02-25  Martin Jambor  <mjambor@suse.cz>
8465
8466         PR tree-optimization/39259
8467         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
8468         calls_alloca function flags.
8469         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
8470         calls are detected.
8471
8472 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
8473
8474         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
8475         flags_set_1_rtx, flags_set_1_set): Delete.
8476         (regmove_optimize): Do not call mark_flags_life_zones.
8477
8478 2009-02-24  Julian Brown  <julian@codesourcery.com>
8479
8480         PR target/35965
8481         * config/arm/arm.c (require_pic_register): Only set
8482         cfun->machine->pic_reg once per function.
8483
8484 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
8485
8486         * doc/invoke.texi (Link Options): Document an easier way to pass
8487         options that take arguments to the GNU linker using -Xlinker and -Wl.
8488
8489 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
8490
8491         PR target/33785
8492         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
8493
8494 2009-02-24  Richard Guenther  <rguenther@suse.de>
8495
8496         PR debug/39285
8497         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
8498
8499 2009-02-24  Richard Guenther  <rguenther@suse.de>
8500             Zdenek Dvorak  <ook@ucw.cz>
8501
8502         PR tree-optimization/39233
8503         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
8504         from converting them to a generic type.
8505
8506 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
8507
8508         PR tree-optimization/39260
8509         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
8510         contains a condition with a real type.
8511         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
8512
8513 2009-02-23  Jason Merrill  <jason@redhat.com>
8514
8515         PR c++/38880
8516         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
8517         narrowing_initializer_constant_valid_p.
8518         (narrowing_initializer_constant_valid_p): Don't return
8519         null_pointer_node for adding a pointer to itself.
8520
8521 2009-02-23  Jan Hubicka  <jh@suse.cz>
8522
8523         PR c/12245
8524         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
8525         resizing.
8526
8527 2009-02-23  Jan Hubicka  <jh@suse.cz>
8528
8529         PR tree-optimization/37709
8530         * tree.c (block_ultimate_origin): Move here from dwarf2out.
8531         * tree.h (block_ultimate_origin): Declare.
8532         * dwarf2out.c (block_ultimate_origin): Move to tree.c
8533         * tree-ssa-live.c (remove_unused_scope_block_p):
8534         Eliminate blocks containig no instructions nor live variables nor
8535         nested blocks.
8536         (dump_scope_block): New function.
8537         (remove_unused_locals): Enable removal of dead blocks by default;
8538         enable dumping at TDF_DETAILS.
8539
8540 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
8541
8542         * config/i386/i386.c (classify_argument): Don't allow COImode
8543         and OImode.
8544         (function_arg_advance_32): Don't allow OImode.
8545         (function_arg_32): Likewise.
8546         (function_value_32): Likewise.
8547         (return_in_memory_32): Likewise.
8548         (function_arg_64): Remove OImode comment.
8549
8550 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
8551
8552         PR target/39261
8553         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
8554         ix86_expand_vector_set for V4DImode in 64bit mode only.
8555         (ix86_expand_vector_init_one_var): Likewise.
8556
8557 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
8558
8559         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
8560
8561 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
8562
8563         PR bootstrap/39257
8564         * loop-iv.c: Revert last change.
8565         * emit-rtl.c: Likewise.
8566
8567 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
8568
8569         PR target/39256
8570         * config/i386/i386.c (type_natural_mode): Remove an extra
8571         space in the warning message.
8572         (function_value_32): Handle 32-byte vector modes.
8573         (return_in_memory_32): Likewise.
8574
8575 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
8576
8577         * loop-iv.c (truncate_value): New function.
8578         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
8579         of lowpart_subreg.
8580         (lowpart_subreg): Move to...
8581         * emit-rtl.c: ...here.
8582
8583 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
8584
8585         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
8586         accidental and undocumented change at revision 140860.
8587
8588 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
8589
8590         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
8591         take gimple_seq * arguments.
8592         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
8593         types_compatible_p langhook.
8594
8595 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
8596             Joseph Myers  <joseph@codesourcery.com>
8597
8598         * config/arm/arm.c (arm_builtin_va_list): New function.
8599         (arm_expand_builtin_va_start): Likewise.
8600         (arm_gimplify_va_arg_expr): Likewise.
8601         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
8602         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
8603         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
8604         (va_list_type): New variable.
8605         (arm_mangle_type): Mangle va_list_type appropriately.
8606
8607 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
8608
8609         PR middle-end/39157
8610         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
8611         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
8612         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
8613         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
8614         parameter to 1000 for -O1 by default.
8615         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
8616         parameter.
8617         * loop-invariant.c: Include params.h.
8618         (move_loop_invariants): Don't call move_single_loop_invariants on
8619         very large loops.
8620
8621 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
8622
8623         * calls.c (emit_library_call_value_1): Use slot_offset instead of
8624         offset when calculating bounds for indexing stack_usage_map.  Fixes
8625         a buffer overflow with certain target setups.
8626
8627 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
8628
8629         PR target/39240
8630         * calls.c (expand_call): Clear try_tail_call if caller and callee
8631         disagree in promotion of function return value.
8632
8633 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
8634
8635         PR target/39175
8636         * c-common.c (c_determine_visibility): If visibility changed and
8637         DECL_RTL has been already set, call make_decl_rtl to update symbol
8638         flags.
8639
8640 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
8641
8642         PR c++/39188
8643         * varasm.c (assemble_variable): Don't check DECL_NAME when
8644         globalizing a variable.
8645
8646 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
8647
8648         PR c/38483
8649         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
8650         expression before any __builtin_trap call.
8651         * c-typeck.c (build_function_call): Convert and check function
8652         arguments before generating a call to a trap.  Evaluate the
8653         function arguments before the trap.
8654
8655 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
8656
8657         PR target/39228
8658         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
8659         (UNSPEC_FXAM_MEM): New unspec.
8660         (fxam<mode>2_i387_with_temp): New insn and split pattern.
8661         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
8662         memory using fxam<mode>2_i387_with_temp to remove excess precision.
8663
8664 2009-02-19  Richard Guenther  <rguenther@suse.de>
8665
8666         PR tree-optimization/39207
8667         PR tree-optimization/39074
8668         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
8669         storedanything_tree): New.
8670         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
8671         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
8672         (build_succ_graph): Add edges from STOREDANYTHING to all
8673         non-direct nodes.
8674         (init_base_vars): Initialize STOREDANYTHING.
8675         (compute_points_to_sets): Free substitution info after
8676         building the succ graph.
8677         (ipa_pta_execute): Likewise.
8678
8679         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
8680         field.
8681         (do_ds_constraint): Do not add to special var or non-pointer
8682         field solutions.
8683         (type_could_have_pointers): Split out from ...
8684         (could_have_pointers): ... here.  For arrays use the element type.
8685         (create_variable_info_for): Initialize may_have_pointers.
8686         (new_var_info): Likewise.
8687         (handle_lhs_call): Make the HEAP variable unknown-sized.
8688         (intra_create_variable_infos): Use a type with pointers for
8689         PARM_NOALIAS, make it unknown-sized.
8690
8691 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
8692
8693         PR target/39224
8694         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
8695
8696 2009-02-18  Jason Merrill  <jason@redhat.com>
8697
8698         PR target/39179
8699         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
8700         value if DECL_EXTERNAL.
8701         * tree-sra.c (sra_walk_gimple_assign): Likewise.
8702         * target.h (gcc_target::binds_local_p): Clarify "module".
8703         * tree.h (TREE_PUBLIC): Clarify "module".
8704
8705 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
8706
8707         PR target/38891
8708         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
8709         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
8710
8711 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
8712
8713         PR target/39082
8714         * c.opt (Wabi): Support C and ObjC.
8715         (Wpsabi): New.
8716
8717         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
8718
8719         * config/i386/i386.c (classify_argument): Warn once about the ABI
8720         change when passing union with long double.
8721
8722         * doc/invoke.texi: Update -Wabi for warning psABI changes.
8723
8724 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
8725
8726         PR c/35447
8727         * c-parser.c (c_parser_compound_statement): Always enter and leave
8728         a scope.
8729
8730 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8731
8732         PR target/34587
8733         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
8734
8735 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
8736
8737         PR tree-optimization/36922
8738         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
8739         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
8740         Likewise.
8741
8742 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
8743
8744         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
8745         to 0 for EABI64.
8746
8747 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
8748
8749         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
8750
8751 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
8752
8753         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
8754         tree sharing.
8755
8756 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
8757             Richard Sandiford  <rdsandiford@googlemail.com>
8758
8759         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
8760         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
8761         (loongson_biadd): ...this.
8762
8763 2009-02-17  Richard Guenther  <rguenther@suse.de>
8764
8765         PR tree-optimization/39202
8766         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
8767         a var make sure to follow existing collapses.
8768
8769 2009-02-17  Richard Guenther  <rguenther@suse.de>
8770
8771         PR middle-end/39214
8772         * langhooks.c (lhd_print_error_function): Check for NULL block.
8773
8774 2009-02-17  Richard Guenther  <rguenther@suse.de>
8775
8776         PR tree-optimization/39204
8777         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
8778         of the PHI arg.
8779
8780 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
8781
8782         * config/soft-fp/double.h: Update from glibc CVS.
8783
8784 2009-02-17  Richard Guenther  <rguenther@suse.de>
8785
8786         PR tree-optimization/39207
8787         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
8788         strict-aliasing warnings for pointers pointing to NULL.
8789
8790 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
8791
8792         PR c/35446
8793         * c-parser.c (c_parser_braced_init): Call pop_init_level when
8794         skipping until next close brace.
8795
8796 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
8797
8798         PR target/37049
8799         * config/i386/i386.c (ix86_expand_push): Set memory alignment
8800         to function argument boundary.
8801
8802 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
8803
8804         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
8805         in the lea_add. Reload eventually constraints it properly.
8806         * config/picochip/constraints.md: Remove the target constraint
8807         "b", since it is not needed anymore.
8808
8809 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
8810
8811         * gthr-dce.h: Uglify function parameter and local variable names.
8812         * gthr-gnat.h: Likewise.
8813         * gthr-mipssde.h: Likewise.
8814         * gthr-nks.h: Likewise.
8815         * gthr-posix95.h: Likewise.
8816         * gthr-posix.h: Likewise.
8817         * gthr-rtems.h: Likewise.
8818         * gthr-single.h: Likewise.
8819         * gthr-solaris.h: Likewise.
8820         * gthr-tpf.h: Likewise.
8821         * gthr-vxworks.h: Likewise.
8822         * gthr-win32.h: Likewise.
8823
8824 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
8825
8826         PR target/39196
8827         * config/i386/i386.md: Restrict the new peephole2 to move
8828         between MMX/SSE registers.
8829
8830 2009-02-15  Richard Guenther  <rguenther@suse.de>
8831
8832         Revert
8833         2009-02-13  Richard Guenther  <rguenther@suse.de>
8834
8835         * configure.ac: Enable LFS.
8836         * configure: Re-generate.
8837         * config.in: Likewise.
8838
8839 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8840
8841         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
8842         spu_srqwbyte, spu_srqwbytebc): Define.
8843         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
8844         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
8845         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
8846         "shrqby_<mode>"): New insn-and-split patterns.
8847         * config/spu/spu.c (expand_builtin_args): Determine and return
8848         number of operands using spu_builtin_description data.
8849         (spu_expand_builtin_1): Use it.
8850
8851 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
8852
8853         PR target/38056
8854         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
8855         TARGET_CONST_GP.
8856
8857 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
8858
8859         PR target/39149
8860         * config/i386/i386.c (override_options): Correct warning
8861         messages for -malign-loops, -malign-jumps and -malign-functions.
8862
8863 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
8864
8865         PR target/39152
8866         * config/i386/i386.md: Restrict the new peephole2 to move
8867         between the general purpose registers.
8868
8869 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
8870
8871         PR target/39162
8872         * config/i386/i386.c (type_natural_mode): Add a new argument.
8873         Return the original mode and warn ABI change if vector size is 32byte.
8874         (function_arg_advance): Updated.
8875         (function_arg): Likewise.
8876         (ix86_function_value): Likewise.
8877         (ix86_return_in_memory): Likewise.
8878         (ix86_sol10_return_in_memory): Likewise.
8879         (ix86_gimplify_va_arg): Likewise.
8880         (function_arg_32): Don't warn ABX ABI change here.
8881         (function_arg_64): Likewise.
8882
8883 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
8884
8885         * loop-iv.c (implies_p): In the final case, test that operands 0
8886         of the two comparisons match.
8887
8888         * config/bfin/bfin.c (find_prev_insn_start): New function.
8889         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
8890         (find_next_insn_start): Move.
8891
8892 2009-02-13  Richard Guenther  <rguenther@suse.de>
8893
8894         * configure.ac: Enable LFS.
8895         * configure: Re-generate.
8896         * config.in: Likewise.
8897
8898 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
8899
8900         PR c/35444
8901         * c-parser.c (c_parser_parms_list_declarator): Discard pending
8902         sizes on syntax error after some arguments have been parsed.
8903
8904 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
8905
8906         * doc/invoke.texi (-fira): Remove.
8907
8908 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8909
8910         * caller-save.c: Replace regclass.c with reginfo.c in comments.
8911         * recog.c: Likewise.
8912         * rtl.h: Likewise.
8913
8914 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
8915
8916         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
8917         (umul_ppmm): Likewise.
8918         (count_leading_zeros): Likewise.
8919         (count_trailing_zeros): Likewise.
8920         (UMUL_TIME): Likewise.
8921
8922 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8923
8924         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
8925         soft-fp/t-softfp to tmake_file.
8926
8927         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
8928         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
8929         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
8930         IA64_BUILTIN_INFQ]: New.
8931         (ia64_init_builtins): Initialize __builtin_infq,
8932         __builtin_fabsq and __builtin_copysignq if not HPUX.
8933         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
8934         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
8935
8936         * config/ia64/lib1funcs.asm (__divtf3): Define only if
8937         SHARED is defined.
8938         (__fixtfti): Likewise.
8939         (__fixunstfti): Likewise.
8940         (__floattitf): Likewise.
8941
8942         * config/ia64/libgcc-glibc.ver: New.
8943         * config/ia64/t-fprules-softfp: Likewise.
8944         * config/ia64/sfp-machine.h: Likewise.
8945
8946         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
8947         (LIBGCC2_TF_CEXT): Likewise.
8948         (TF_SIZE): Likewise.
8949         (TARGET_INIT_LIBFUNCS): Likewise.
8950
8951         * config/ia64/t-glibc (SHLINB_MAPFILES):
8952         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
8953
8954 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8955
8956         * config/i386/i386.c (construct_container): Rewrite processing
8957         BLKmode with X86_64_SSE_CLASS.
8958
8959 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
8960
8961         PR target/39152
8962         * config/i386/i386.md: Replace simplify_replace_rtx with
8963         replace_rtx in the new peephole2.
8964
8965 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
8966
8967         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
8968         loop unrolling do not happen at -O2.
8969
8970 2009-02-12  Michael Matz  <matz@suse.de>
8971
8972         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
8973
8974 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
8975
8976         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
8977         for -g3.
8978
8979 2009-02-12  Ben Elliston  <bje@au.ibm.com>
8980
8981         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
8982         patterns when updating the back chain.  Missed in the 2009-02-10
8983         change.
8984
8985 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
8986
8987         * doc/extend.texi (Decimal Floating Types): Update identifier of
8988         draft TR and list of missing support.
8989
8990 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
8991
8992         PR middle-end/39154
8993         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
8994         bit to variable length decl's flags, add it also to its
8995         pointer replacement variable.
8996
8997 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
8998             Jakub Jelinek  <jakub@redhat.com>
8999
9000         PR target/39118
9001         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
9002         (memory_blockage): New expander.
9003         (*memory_blockage): New insn pattern.
9004         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
9005         instead of general blockage at the end of function prologue when
9006         frame pointer is used to access red zone area.  Do not emit blockage
9007         when profiling, it is emitted in generic code.
9008         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
9009         function epilogue when frame pointer is used to access red zone area.
9010
9011 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
9012
9013         PR target/38824
9014         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
9015         by arithmetic with memory operands.
9016         * config/i386/predicates.md (commutative_operator): New.
9017
9018 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
9019
9020         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
9021         bulleted lists.
9022
9023 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
9024
9025         * alias.h (record_alias_subset): Declare.
9026         * alias.c (record_alias_subset): Make global.
9027
9028 2009-02-10  Nick Clifton  <nickc@redhat.com>
9029
9030         * tree-parloops.c: Change license to GPLv3.
9031         * ipa-struct-reorg.c: Change license to GPLv3.
9032         * ipa-struct-reorg.h: Change license to GPLv3.
9033
9034 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
9035
9036         PR c/39084
9037         * c-decl.c (start_struct): Return NULL on error.
9038
9039 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
9040
9041         PR middle-end/39124
9042         * cfgloopmanip.c (remove_path): Call remove_bbs after
9043         cancel_loop_tree, not before it.
9044
9045         PR target/39139
9046         * function.h (struct function): Add has_local_explicit_reg_vars bit.
9047         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
9048         VAR_DECLs were seen.
9049         * tree-ssa-live.c (remove_unused_locals): Recompute
9050         cfun->has_local_explicit_reg_vars.
9051         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
9052         copies or clearings if cfun->has_local_explicit_reg_vars.
9053
9054 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
9055
9056         PR target/39118
9057         * config/i386/i386.c (expand_prologue): Emit blockage at the end
9058         of function prologue when frame pointer is used to access
9059         red zone area.
9060
9061 2009-02-10  Richard Guenther  <rguenther@suse.de>
9062
9063         PR middle-end/39127
9064         * gimplify.c (gimple_regimplify_operands): Always look if
9065         we need to create a temporary.
9066
9067 2009-02-10  Richard Guenther  <rguenther@suse.de>
9068
9069         PR tree-optimization/39132
9070         * tree-loop-distribution.c (todo): New global var.
9071         (generate_memset_zero): Trigger TODO_rebuild_alias.
9072         (tree_loop_distribution): Return todo.
9073
9074 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
9075
9076         PR target/39119
9077         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
9078         (x86_64_reg_class_name): Removed.
9079         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
9080         first one isn't X86_64_SSE_CLASS or any other ones aren't
9081         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
9082         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
9083         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
9084         and 3 X86_64_SSEUP_CLASS.
9085         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
9086         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
9087
9088 2009-02-10  Ben Elliston  <bje@au.ibm.com>
9089
9090         * config/rs6000/rs6000.md (allocate_stack): Always use an update
9091         form instruction to update the stack back chain word, even if the
9092         user has disabled the generation of update instructions.
9093         (movdi_<mode>_update_stack): New.
9094         (movsi_update_stack): Likewise.
9095         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
9096         always use an update form instruction to update the stack back
9097         chain word.
9098
9099 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
9100
9101         PR middle-end/38953
9102         * graphite.c (if_region_set_false_region): After moving a region in
9103         the false branch of a condition, remove the empty dummy basic block.
9104         (gloog): Remove wrong fix for PR38953.
9105
9106 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9107
9108         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
9109         generation due to implicit sign extension.
9110
9111 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
9112
9113         PR middle-end/38981
9114         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
9115         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
9116
9117 2009-02-09  Richard Guenther  <rguenther@suse.de>
9118
9119         PR middle-end/35202
9120         * convert.c (convert_to_real): Disable (float)fn((double)x)
9121         to fnf(x) conversion if errno differences may occur and
9122         -fmath-errno is set.
9123
9124 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
9125
9126         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
9127         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9128         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9129
9130 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
9131
9132         PR c/35434
9133         * c-common.c (handle_alias_attribute): Disallow attribute for
9134         anything not a FUNCTION_DECL or VAR_DECL.
9135
9136 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
9137
9138         PR c/39035
9139         * real.c (do_compare): Special-case compare of zero against
9140         decimal float value.
9141
9142 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
9143
9144         PR c/36432
9145         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
9146         as indicating flexible array members unless the field itself is
9147         being declarared as the incomplete array.
9148
9149 2009-02-06  Jan Hubicka  <jh@suse.cz>
9150
9151         PR tree-optimization/38844
9152         * ipa-inline.c (try_inline): Stop inlining recursion when edge
9153         is already inlined.
9154
9155 2009-02-06  Richard Guenther  <rguenther@suse.de>
9156
9157         PR middle-end/38977
9158         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
9159         fork because we may expand it as __gcov_fork.
9160
9161 2009-02-06  Nick Clifton  <nickc@redhat.com>
9162
9163         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
9164
9165 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
9166
9167         PR tree-optimization/35659
9168         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
9169         vn_phi_eq): Shortcut if hashcode does not match.
9170         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
9171         NULL operands.
9172         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
9173         and avoid iterative_hash_expr.
9174         (FOR_EACH_VALUE_ID_IN_SET): New.
9175         (value_id_compare): Remove.
9176         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
9177         sort expressions by value id.
9178
9179 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
9180
9181         PR target/38991
9182         * config/sh/predicates.md (general_movsrc_operand): Don't check
9183         the subreg of system registers here.
9184
9185 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
9186
9187         PR c++/39106
9188         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
9189         on the copied decl.
9190
9191 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
9192
9193         PR rtl-optimization/39110
9194         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
9195         addresses, not aligned ones.
9196
9197 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
9198             Richard Guenther  <rguenther@suse.de>
9199
9200         PR tree-optimization/39100
9201         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
9202         comment says and add edges.
9203
9204 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
9205
9206         PR c/35435
9207         * c-common.c (handle_tls_model_attribute): Ignore attribute for
9208         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
9209
9210 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
9211
9212         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
9213         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
9214         register_bb_in_sese, new_sese, free_sese): Moved.
9215         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
9216         outermost_loop_in_scop, build_scop_iteration_domain,
9217         expand_scalar_variables_ssa_name, get_vdef_before_scop,
9218         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
9219         Use loop_in_sese_p instead of loop_in_scop_p.
9220         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
9221         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
9222         (scopdet_basic_block_info): Fix bug in scop detection.
9223         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
9224         eq_loop_to_cloog_loop): Remove.
9225         (nb_loops_around_loop_in_scop, nb_loop
9226         ref_nb_loops): Moved here...
9227         * graphite.h (ref_nb_loops): ... from here.
9228         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
9229         (loop_domain_dim, loop_iteration_vector_dim): Remove.
9230         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
9231         * testsuite/gcc.dg/graphite/scop-19.c: New
9232
9233 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
9234             Hans-Peter Nilsson  <hp@axis.com>
9235
9236         PR rtl-optimization/37889
9237         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
9238         Move offset handling from PLUS to before the switch.  Use new
9239         arguments when considering SYMBOL_REFs too.
9240         (rtx_addr_can_trap_p): Pass dummy offset and size.
9241         (enum may_trap_p_flags): Remove.
9242         (may_trap_p_1): Pass size from MEM_SIZE.
9243
9244         PR rtl-optimization/38921
9245         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
9246         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
9247         * rtlanal.c (may_trap_after_code_motion_p): Delete.
9248         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
9249
9250 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
9251
9252         AVX Programming Reference (January, 2009)
9253         * config/i386/sse.md (*vpclmulqdq): New.
9254
9255 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
9256
9257         PR tree-optimization/38977
9258         PR gcov-profile/38292
9259         * calls.c (special_function_p): Disregard __builtin_ prefix.
9260
9261 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
9262
9263         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
9264         non-indexable addresses even before reload.
9265
9266 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
9267
9268         PR c/29129
9269         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
9270         as having variable size.  Do not give an error for unnamed
9271         parameters with [*] declarators.  Give a warning for type names
9272         with [*] declarators and mark them as variable size.
9273         * c-parser.c (c_parser_sizeof_expression): Do not give an error
9274         for sizeof applied to [*] type names.
9275
9276 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9277
9278         PR C++/36607
9279         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
9280
9281 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
9282
9283         * gcc.c (process_command): Update copyright notice dates.
9284         * gcov.c (print_version): Likewise.
9285         * gcov-dump.c (print_version): Likewise.
9286         * mips-tfile.c (main): Likewise.
9287         * mips-tdump.c (main): Likewise.
9288
9289 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
9290
9291         PR c/35433
9292         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
9293         for composite type involving a zero-length array type.
9294
9295 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
9296
9297         PR target/35318
9298         * function.c (match_asm_constraints_1): Skip over
9299         initial optional % in the constraint.
9300
9301         PR inline-asm/39059
9302         * c-parser.c (c_parser_postfix_expression): If fixed point is not
9303         supported, don't accept FIXED_CSTs.
9304         * c-decl.c (finish_declspecs): Error if fixed point is not supported
9305         and _Sat is used without _Fract/_Accum.  Set specs->type to
9306         integer_type_node for cts_fract/cts_accum if fixed point is not
9307         supported.
9308
9309 2009-02-02  Catherine Moore  <clm@codesourcery.com>
9310
9311         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
9312
9313 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
9314
9315         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
9316         (ABI_HAS_64BIT_SYMBOLS): Use it.
9317         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
9318
9319 2009-02-02  Paul Brook  <paul@codesourcery.com>
9320
9321         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
9322
9323 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
9324
9325         PR inline-asm/39058
9326         * recog.h (asm_operand_ok): Add constraints argument.
9327         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
9328         recurse on matching constraint.
9329         (check_asm_operands): Pass constraints as 3rd argument to
9330         asm_operand_ok.  Don't look up matching constraint here.
9331         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
9332         to asm_operand_ok.
9333
9334 2009-02-02  Ben Elliston  <bje@au.ibm.com>
9335
9336         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
9337         TARGET_NARROW_VOLATILE_BITFIELD macro names.
9338
9339 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9340
9341         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
9342         information.  Remove some obsolete information.  Reorganize.
9343
9344         * config/pa/fptr.c: Revert license to GPL 2.
9345         * config/pa/milli64.S: Likewise.
9346
9347 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
9348
9349         PR target/38904
9350         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
9351         LIBRARY name in, instead of hard-coding it.
9352         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
9353         extra target make frag to tmake_files according to EH model.
9354         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
9355         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
9356         frags that define makefile variable EH_MODEL appropriately.
9357         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
9358         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
9359         to "-sjlj" according to type of EH configured.
9360         (LIBGCC_SONAME):  Concatenate it to shared library base name.
9361         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
9362         to "_sjlj" according to type of EH configured.
9363         (LIBGCC_SONAME):  Concatenate it to shared library base name.
9364         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
9365         (SHLIB_LINK):  Add missing semicolon to if-else construct.
9366         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
9367         string value of "pe_dll" command-line option.
9368         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
9369         (SHLIB_SONAME):  Use it when overriding t-cygming default.
9370         (SHLIB_IMPLIB):  Override t-cygming default.
9371         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
9372         string value of "pe_dll" command-line option.
9373
9374 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
9375
9376         PR target/38952
9377         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
9378         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
9379
9380 2009-01-31  Richard Guenther  <rguenther@suse.de>
9381
9382         PR tree-optimization/38937
9383         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
9384         computing the transitive closure.
9385
9386 2009-01-30  Richard Guenther  <rguenther@suse.de>
9387
9388         PR tree-optimization/39041
9389         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
9390         Propagate variable indices only if the types match for this stmt.
9391
9392 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
9393
9394         PR target/39013
9395         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
9396         inline but never defined.
9397
9398 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
9399
9400         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
9401         (*insv_h_di_reg_extimm): New insn.
9402         (*insv_l<mode>_reg_extimm): New insn.
9403
9404 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
9405
9406         * config/picochip/picochip.c (flag_conserve_stack): set
9407         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
9408         fconserve-stack. Reduce call-overhead used by inliner.
9409
9410 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
9411
9412         PR/38157
9413         * common.opt (flag_conserve_stack): Initialised to zero.
9414
9415 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
9416
9417         PR/39002
9418         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
9419         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
9420         method.
9421
9422 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
9423
9424         * ira-color.c (allocno_reload_assign): Update comments.
9425         * regmove.c (regmove_optimize): Likewise.
9426
9427         * ra.h: Removed.
9428
9429 2009-01-29  Robert Millan  <rmh@aybabtu.com>
9430
9431         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
9432         * config/i386/kopensolaris-gnu.h: New file.  Undefine
9433         `MD_UNWIND_SUPPORT'.
9434         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
9435
9436 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
9437
9438         PR tree-optimization/39007
9439         * tree-loop-distribution.c (generate_builtin): Use
9440         recompute_dominator to compute the immediate dominator of the
9441         basic block just after the loop.
9442
9443 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9444
9445         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
9446         (ASM_OUTPUT_DWARF_PCREL): Define.
9447
9448 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
9449
9450         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
9451         * doc/passes.texi: Remove entries about regclass, local-alloc, and
9452         global.  Modify entries about regmove and IRA.
9453
9454         * ra-conflict.c: Remove the file.
9455
9456         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
9457
9458         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
9459         (pass_regclass_init): Rename to pass_reginfo_init.
9460
9461         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
9462
9463         * toplev.h (flag_ira): Remove.
9464
9465         * caller-save.c (setup_save_areas): Remove flag_ira.
9466
9467         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
9468
9469         * global.c: Remove the file.
9470
9471         * opts.c (decode_options): Remove flag_ira.
9472
9473         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
9474
9475         * regmove.c: Modify file description.
9476         (find_use_as_address, try_auto_increment): Define them only if
9477         AUTO_INC_DEC is defined.
9478         (replacement_quality, replace_in_call_usage, fixup_match_1,
9479         stable_and_no_regs_but_for_p): Remove.
9480         (reg_set_in_bb): Make it static.
9481         (regmove_optimize): Remove flag_ira and code which worked for
9482         !flag_ira.
9483
9484         * local-alloc.c: Remove the file.
9485
9486         * common.opt (fira): Remove.
9487
9488         * ira.c: Include except.h.
9489         (eliminable_regset): Move from global.c.
9490         (mark_elimination): Ditto.  Remove flag_ira.
9491         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
9492         equiv_mem_modified, validate_equiv_mem_from_store,
9493         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
9494         contains_replace_regs, memref_referenced_p, memref_used_between_p,
9495         no_equiv, recorded_label_ref): Move from local-alloc.c.
9496         (update_equiv_regs): Ditto.  Make it static.
9497         (print_insn_chain, print_insn_chains): Move it from global.c.
9498         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
9499         (build_insn_chain): Ditto.  Make it static.
9500         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
9501         Rename to init_live_subregs.
9502         (gate_ira): Remove flag_ira.
9503
9504         * regclass.c: Rename reginfo.c.  Change file description.
9505         (FORBIDDEN_INC_DEC_CLASSES): Remove.
9506         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
9507         (init_reg_sets_1): Remove code for evaluation of
9508         reg_class_superclasses and losing_caller_save_reg_set.
9509         (init_regs): Remove init_reg_autoinc.
9510         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
9511         ok_for_base_p_nonstrict): Remove.
9512         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
9513         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
9514         corresponding entries.
9515         (dump_regclass, record_operand_costs, scan_one_insn,
9516         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
9517         record_address_regs, auto_inc_dec_reg_p): Remove.
9518         (gt-regclass.h): Rename to gt-reginfo.h.
9519
9520         * rtl.h (dump_global_regs, retry_global_alloc,
9521         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
9522
9523         * Makefile.in (RA_H): Remove.
9524         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
9525         Rename regclass.o to reginfo.o.
9526         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
9527         gt-reginfo.h.
9528         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
9529         (GTFILES): Rename regclass.c to reginfo.c.
9530
9531         * passes.c (init_optimization_passes): Remove pass_local_alloc and
9532         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
9533
9534         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
9535         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
9536         Remove flag_ira.
9537         (finish_spills): Ditto.  Remove code for !flag_ira.
9538
9539 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
9540
9541         PR middle-end/35854
9542         * doc/invoke.texi (rtl debug options): Complete rewrite.
9543         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
9544         to auto_inc_dec".
9545         * mode-switching.c (pass_mode_switching): Rename pass from
9546         "mode-sw" to "mode_sw".
9547         * except.c (pass_convert_to_eh_ranges): Rename pass from
9548         "eh-ranges" to "eh_ranges".
9549         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
9550         to "subreg1".
9551
9552
9553 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
9554             Alexander Monakov  <amonakov@ispras.ru>
9555
9556         PR middle-end/38857
9557         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
9558         register.
9559         (move_exprs_to_boundary): Change return type and pass through
9560         should_move from move_op.  Relax assert.  Update usage ...
9561         (schedule_expr_on_boundary): ... here.  Use should_move instead of
9562         cant_move.
9563         (move_op_orig_expr_found): Indicate that insn was disconnected from
9564         stream.
9565         (code_motion_process_successors): Do not call after_merge_succs
9566         callback if original expression was not found when traversing any of
9567         the branches.
9568         (code_motion_path_driver): Change return type.  Update prototype.
9569         (move_op): Update comment.  Add a new parameter (should_move).  Update
9570         prototype.  Set *should_move based on indication provided by
9571         move_op_orig_expr_found.
9572
9573 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
9574
9575         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
9576         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
9577         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
9578         * config/rs6000/rs6000.c (rs6000_override_options): Default
9579         avoid-indexed-addresses on for Power6, off for everything else.
9580         (avoiding_indexed_address_p): New function.
9581         (rs6000_legitimize_address): Use it.
9582         (rs6000_legitimate_address): Likewise.
9583         * config/rs6000/rs6000.md (movXX_updateX): Likewise
9584
9585 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
9586
9587         PR tree-optimization/38997
9588         * tree-loop-distribution.c (generate_memset_zero): Use
9589         POINTER_PLUS_EXPR for a pointer addition.
9590
9591 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
9592
9593         * config/s390/s390.md (bswap<mode>2): New pattern added.
9594
9595 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
9596
9597         * config/s390/s390.md (*tls_load_31): Added type attribute.
9598
9599 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
9600
9601         * config/s390/s390.md: Fix a few comments.
9602
9603 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
9604
9605         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
9606         (*tm<mode>_full): Fixed z10prop attribute.
9607         (*tst<mode>_extimm): Fixed z10prop attribute.
9608         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
9609         (*tstqiCCT_cconly): Fixed z10prop attribute.
9610         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
9611         (*movsi_larl): Fixed z10prop attribute.
9612         (*movsi_zarch): Fixed z10prop attribute.
9613         (*movsi_eas): Fixed z10prop attribute.
9614         (*movhi): Fixed z10prop attribute.
9615         (*movqi): Fixed z10prop attribute.
9616         (*movstrictqi): Fixed z10prop attribute.
9617         (*mov<mode>): Fixed z10prop attribute.
9618         (*movcc): Fixed z10prop attribute.
9619         (*sethighpartdi_64): Fixed z10prop attribute.
9620         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
9621         (*negdi2_sign_cc): Fixed z10prop attribute.
9622         (*negdi2_sign): Fixed z10prop attribute.
9623         (*absdi2_sign_cc): Fixed z10prop attribute.
9624         (*absdi2_sign): Fixed z10prop attribute.
9625         (*negabsdi2_sign_cc): Fixed z10prop attribute.
9626         (*negabsdi2_sign): Fixed z10prop attribute.
9627         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
9628         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
9629         (doloop_si64): Fixed z10prop attribute.
9630         (doloop_si31): Fixed z10prop attribute.
9631         (doloop_long): Fixed z10prop attribute.
9632         (indirect_jump): Fixed z10prop attribute.
9633         (nop): Fixed z10prop attribute.
9634         (main_base_64): Fixed z10prop attribute.
9635         (reload_base_64): Fixed z10prop attribute.
9636
9637 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
9638
9639         PR rtl-optimization/38740
9640         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
9641         if !optimize.
9642         * config/mips/mips.c (mips_reorg): Likewise.
9643
9644 2009-01-28  Richard Guenther  <rguenther@suse.de>
9645
9646         PR tree-optimization/38926
9647         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
9648         with the correct value id to a value.
9649         (do_regular_insertion): Use the value number of edoubleprime
9650         for the value number of the expr.
9651
9652         Revert
9653         2008-08-21  Richard Guenther  <rguenther@suse.de>
9654
9655         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
9656         a PHI ask VN if it is already available.
9657         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
9658         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
9659
9660 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
9661
9662         PR middle-end/38934
9663         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
9664         set to varying whenever max has TREE_OVERFLOW set, similarly
9665         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
9666
9667 2009-01-28  Richard Guenther  <rguenther@suse.de>
9668
9669         PR middle-end/38908
9670         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
9671         uninitialized aggregate uses in call arguments.
9672
9673 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
9674
9675         PR tree-optimization/38984
9676         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
9677         the nothing_id variable if -fno-delete-null-pointer-checks.
9678
9679 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
9680
9681         PR target/38988
9682         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
9683         (set_got_offset_rex64): Ditto.
9684
9685 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
9686
9687         PR target/38941
9688         * doc/extend.texi: Improve local variable with asm reg.
9689
9690 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
9691
9692         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
9693         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
9694         was not supplied then set warn_packed_bitfield_compat to the
9695         default value of 1.
9696         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
9697         against 1.
9698
9699 2009-01-27  Richard Guenther  <rguenther@suse.de>
9700
9701         PR tree-optimization/38503
9702         * cfgexpand.c (expand_gimple_basic_block): Ignore
9703         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
9704         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
9705         variables that cannot have TBAA applied.
9706         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
9707         statements.
9708
9709 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
9710
9711         PR middle-end/38969
9712         * calls.c (initialize_argument_information): Do not wrap complex
9713         arguments in SAVE_EXPR.
9714
9715 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
9716
9717         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
9718         (INSTALL_LIBGCC): Revert typo commit.
9719
9720 2009-01-26  Richard Guenther  <rguenther@suse.de>
9721
9722         PR tree-optimization/38745
9723         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
9724         from special handling.
9725
9726 2009-01-26  Richard Guenther  <rguenther@suse.de>
9727
9728         PR tree-optimization/38745
9729         * tree-ssa.c (execute_update_addresses_taken): Do not include
9730         variables that cannot possibly be a register in not_reg_needs.
9731         Do not clear TREE_ADDRESSABLE on vars that may not become
9732         registers.
9733         * tree-ssa.c (update_alias_info_1): Include those in the set
9734         of addressable vars.
9735
9736 2009-01-26  Richard Guenther  <rguenther@suse.de>
9737
9738         PR middle-end/38851
9739         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
9740         * tree-ssa-dse.c: Include langhooks.h
9741         (execute_simple_dse): Remove stores with zero size.
9742
9743 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
9744
9745         PR c/38957
9746         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
9747         as PLUS_EXPR.
9748
9749 2009-01-24  Julian Brown  <julian@codesourcery.com>
9750
9751         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
9752         config/arm/linux-atomic.c.
9753         * config/arm/linux-atomic.c: New.
9754
9755 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
9756
9757         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
9758         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
9759         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
9760
9761 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
9762
9763         PR c/38938
9764         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
9765         properly.
9766
9767 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
9768
9769         PR tree-optimization/38953
9770         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
9771         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
9772         (gloog): Split the exit of the scop when the scop exit is a loop exit.
9773         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
9774         changed the CFG.
9775
9776 2009-01-24  Paul Brook  <paul@codesourcery.com>
9777
9778         * config/arm/neon.md (neon_type): Move to arm.md.
9779         (neon_mov<VSTRUCT>): Add neon_type attribute.
9780         * config/arm/arm.md (neon_type): Move to here.
9781         (conds): Add "unconditioal" and use as default for NEON insns.
9782
9783 2009-01-24  Ben Elliston  <bje@au.ibm.com>
9784
9785         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
9786         void *' warning from -Wc++-compat.
9787         * Makefile.in (dominance.o-warn): Remove.
9788
9789 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
9790
9791         PR tree-optimization/38932
9792         * fold-const.c (fold_unary_ignore_overflow): New.
9793         * tree.h (fold_unary_ignore_overflow): Declare.
9794         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
9795         * tree-ssa-sccvn.c (visit_reference_op_load,
9796         simplify_unary_expression): Likewise.
9797
9798 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
9799
9800         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
9801         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
9802         regardless of their type.
9803         * c-common.c (handle_packed_attribute): Don't ignore packed on
9804         bitfields.
9805         * c.opt (Wpacked-bitfield-compat): New warning option.
9806         * stor-layout.c (place_field): Warn if offset of a field changed.
9807         * doc/extend.texi (packed): Mention the ABI change.
9808         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
9809         (Warning Options): Add it to the list.
9810
9811 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9812
9813         * c-opts.c (c_common_post_options): Fix a typo in comments.
9814
9815 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
9816
9817         PR middle-end/38615
9818         * gimplify.c (gimplify_init_constructor): Fix promotion of const
9819         variables to static.
9820         * doc/invoke.texi (-fmerge-all-constants): Update description.
9821
9822 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
9823
9824         PR target/38931
9825         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
9826         (*movdi_1_rex64): Use type "mmx" for alternative 5.
9827
9828 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
9829
9830         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
9831         a word boundary.
9832         (LOCAL_ALIGNMENT): Similarly.
9833
9834 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
9835             Joseph Myers  <joseph@codesourcery.com>
9836
9837         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
9838         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
9839         * config/arm/arm-tune.md: Regenerate.
9840         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
9841         -march=iwmmxt2.
9842
9843 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
9844
9845         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
9846         version number to five.
9847
9848 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
9849
9850         PR c++/38930
9851         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
9852         * c-common.c (set_underlying_type): Likewise.
9853         (is_typedef_decl ): Likewise
9854         * tree.h: Likewise
9855         (set_underlying_type): Likewise.
9856         (is_typedef_type): Likewise.
9857
9858 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
9859
9860         PR middle-end/38587
9861         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
9862         crossing setjmps.
9863
9864 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
9865
9866         PR bootstrap/37660
9867         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
9868         (LIBGCC_SPEC):  Don't define.
9869         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
9870
9871 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
9872
9873         PR rtl-optimization/38879
9874         * alias.c (base_alias_check): Unaligned access via AND address can
9875         alias all surrounding object types except those with sizes equal
9876         or wider than the size of unaligned access.
9877
9878 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
9879
9880         PR c++/26693
9881         * c-decl.c (clone_underlying_type): Move this ...
9882         * c-common.c (set_underlying_type): ... here.
9883         Also, make sure the function properly sets TYPE_STUB_DECL() on
9884         the newly created typedef variant type.
9885         (is_typedef_decl ): New entry point.
9886         * tree.h: Added a new member member_types_needing_access_check to
9887         struct tree_decl_non_common.
9888         (set_underlying_type): New entry point.
9889         (is_typedef_type): Likewise.
9890
9891 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
9892
9893         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
9894         Check whether two instructions have memory references that
9895         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
9896         are helper functions for traversing.
9897         * alias.h (insn_alias_sets_confilict_p): New prototypes.
9898         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
9899         not to draw dependency edge for instructions with non-conflicting
9900         alias sets.
9901
9902 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
9903
9904         PR other/38758
9905         * longlong.h: Update copyright years.  Use soft-fp license notice.
9906         Sync __clz_tab declaration with glibc.
9907
9908 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
9909
9910         PR target/30687
9911         * doc/extend.texi (syscall_linkage): New.
9912         (version_id): Modify.
9913
9914 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9915             Richard Guenther  <rguenther@suse.de>
9916
9917         PR tree-optimization/38747
9918         PR tree-optimization/38748
9919         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
9920         conversion if the base address is an indirect reference and the
9921         aliasing sets could cause issues.
9922
9923 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
9924
9925         * common.opt (fgraphite, fgraphite-identity): Add comment for
9926         explaining why these options are not documented.
9927
9928 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
9929
9930         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
9931         gimple_call_lhs is NULL.
9932
9933 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
9934
9935         PR target/38868
9936         * emit-rtl.c (adjust_address_1): Make sure memref is never
9937         overwritten.
9938
9939 2009-01-20  Ben Elliston  <bje@au.ibm.com>
9940
9941         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
9942         const qualifier from arg parameter. Remove unnecessary cast to char *.
9943         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
9944         const qualifier from arg 2.
9945
9946 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
9947
9948         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
9949
9950 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
9951
9952         PR c/38869
9953         * rtl.h (reinit_regs): New prototype.
9954         * regclass.c: Include ira.h.
9955         (reinit_regs): New.
9956         * Makefile.in (regclass.o): Add ira.h.
9957         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
9958
9959 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
9960
9961         PR target/38736
9962         * c-common.c (handle_aligned_attribute): Use
9963         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
9964         default alignment value.
9965
9966         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
9967
9968         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
9969         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
9970
9971         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
9972         __BIGGEST_ALIGNMENT__.
9973
9974         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
9975
9976 2009-01-18  Richard Guenther  <rguenther@suse.de>
9977
9978         PR tree-optimization/38819
9979         * tree-flow.h (operation_could_trap_helper_p): Declare.
9980         * tree-eh.c (operation_could_trap_helper_p): Export.
9981         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
9982         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
9983         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
9984         are about to insert a possibly trapping instruction and fail
9985         in this case.
9986
9987 2009-01-18  Andreas Schwab  <schwab@suse.de>
9988
9989         * doc/install.texi (Configuration): Remove obsolete paragraph
9990         about use of --with-gnu-ld with --with-gnu-as.
9991
9992 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
9993
9994         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
9995         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
9996         Follow spelling conventions.
9997
9998 2009-01-18  Ben Elliston  <bje@au.ibm.com>
9999
10000         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
10001         C++ warning about implicit conversion from void * to struct
10002         bitmap_head_def *.
10003         (bitmap_obstack_free): Likewise for bitmap_element *.
10004         * Makefile.in (bitmap.o-warn): Remove.
10005
10006 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
10007
10008         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
10009
10010 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
10011             Tobias Grosser  <tobi.grosser@amd.com>
10012
10013         * graphite.c (graphite_trans_scop_block): Do not block single
10014         nested loops.
10015
10016 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
10017
10018         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
10019         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
10020         test with assertion.
10021
10022 2009-01-16  Richard Guenther  <rguenther@suse.de>
10023
10024         PR tree-optimization/38835
10025         PR middle-end/36227
10026         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
10027         and INT + PTR -> (INT)(PTR p+ INT) folding.
10028         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
10029
10030 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
10031
10032         PR target/38554
10033         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
10034         the subreg from a lowpart subreg if it is also casting the value.
10035
10036 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10037             Tobias Grosser  <tobi.grosser@amd.com>
10038
10039         * graphite.c (compare_prefix_loops): New.
10040         (build_scop_canonical_schedules): Rewritten.
10041         (graphite_transform_loops): Move build_scop_canonical_schedules
10042         after build_scop_iteration_domain.
10043
10044 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10045             Tobias Grosser  <tobi.grosser@amd.com>
10046
10047         * graphite.c (add_conditions_to_domain): Add the loops to
10048         the dimension of the iteration domain.  Do copy the domain
10049         only when it exists.
10050         (build_scop_conditions_1): Do not call add_conditions_to_domain.
10051         (add_conditions_to_constraints): New.
10052         (can_generate_code_stmt, can_generate_code): Removed.
10053         (gloog): Do not call can_generate_code.
10054         (graphite_transform_loops): Call add_conditions_to_constraints
10055         after building the iteration domain.
10056
10057 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
10058
10059         PR tree-optimization/38789
10060         * tree-ssa-threadedge.c
10061         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
10062         __builtin_constant_p.
10063
10064 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
10065
10066         * dce.c (delete_unmarked_insns): Reversed the order that insns are
10067         examined before deleting them.
10068
10069 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
10070
10071         * function.c (aggregate_value_p): Correctly extract the function
10072         type from CALL_EXPR_FN lookup.
10073
10074 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
10075
10076         * config/picochip/picochip.c (picochip_override_options): Revert
10077         CFI asm flag disable commited previously.
10078
10079 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
10080             Tobias Grosser  <tobi.grosser@amd.com>
10081             Jan Sjodin  <jan.sjodin@amd.com>
10082
10083         * graphite.c (scan_tree_for_params): On substractions negate
10084         all the coefficients of the term.
10085         (clast_to_gcc_expression_red): New.  Handle reduction expressions
10086         of more than two operands.
10087         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
10088         (get_vdef_before_scop): Handle also the case of default definitions.
10089
10090 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
10091
10092         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
10093         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
10094         Also use them when walking CALL_INSN_FUNCTION_USAGE.
10095
10096 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
10097             Joey Ye  <joey.ye@intel.com>
10098
10099         PR middle-end/37843
10100         * cfgexpand.c (expand_stack_alignment): Don't update stack
10101         boundary nor check incoming stack boundary here.
10102         (gimple_expand_cfg): Update stack boundary and check incoming
10103         stack boundary here.
10104
10105 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
10106
10107         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
10108
10109 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
10110
10111         PR rtl-optimization/38245
10112         * calls.c (expand_call): Add stack arguments to
10113         CALL_INSN_FUNCTION_USAGE even for pure calls (when
10114         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
10115         in regs and partially in memory or BLKmode arguments.
10116         (emit_library_call_value_1): Add stack arguments to
10117         CALL_INSN_FUNCTION_USAGE even for pure calls (when
10118         ACCUMULATE_OUTGOING_ARGS).
10119         * dce.c: Include tm_p.h.
10120         (find_call_stack_args): New function.
10121         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
10122         argument.
10123         (mark_insn): Call find_call_stack_args for CALL_Ps.
10124         (prescan_insns_for_dce): Walk insns backwards in bb rather than
10125         forwards.  Allocate and free arg_stores bitmap if needed, pass it
10126         down to deletable_insn_p, don't mark stores set in arg_stores
10127         bitmap, clear the bitmap at the beginning of each bb.
10128         * Makefile.in (dce.o): Depend on $(TM_P_H).
10129
10130 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
10131
10132         PR target/22599
10133         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
10134         to make sure the insn is a conditional test (bug 22599).  Reformat a
10135         few long lines.
10136
10137 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
10138
10139         PR middle-end/38431
10140         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
10141         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
10142         (gloog): Do not call cleanup_tree_cfg.
10143         (graphite_transform_loops): Call cleanup_tree_cfg after all
10144         scops have been code generated.
10145
10146 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
10147         * doc/gty.texi (Invoking the garbage collector): Added new node
10148         and section documenting ggc_collect.
10149
10150 2009-01-14  Richard Guenther  <rguenther@suse.de>
10151
10152         PR tree-optimization/38826
10153         PR middle-end/38477
10154         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
10155         initialization notes only if we actually emitted a warning.
10156         (intra_create_variable_infos): Add constraints for a result decl
10157         that is passed by hidden reference.
10158         (build_pred_graph): Mark all related variables non-direct on
10159         address-taking.
10160
10161 2009-01-14  Nick Clifton  <nickc@redhat.com>
10162
10163         * ira-conflicts.c: Include addresses.h for the definition of
10164         base_reg_class.
10165         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
10166         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
10167
10168 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
10169
10170         PR target/38811
10171         * Makefile.in (ira-lives.o): Add except.h.
10172
10173         * ira-lives.c: Include except.h.
10174         (process_bb_node_lives): Process can_throw_internal.
10175
10176 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
10177
10178         PR rtl-optimization/38774
10179         * combine.c (simplify_set): When undoing cc_use change, don't do
10180         PUT_CODE on the newly created comparison, but instead put back the
10181         old comparison.
10182
10183 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
10184
10185         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
10186         values.  Remove duplicate arm8 entry.
10187
10188 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
10189
10190         PR tree-optimization/38786
10191         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
10192         the SSA_NAME case of expand_scalar_variables_expr.
10193         Set the type of an expression to the type of its assign statement.
10194         (expand_scalar_variables_expr): Also gather the scalar computation
10195         used to index the memory access.  Do not pass loop_p.
10196         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
10197         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
10198         the gimple_stmt_iterator where it inserts new code.
10199         Do not pass loop_p.
10200         (copy_bb_and_scalar_dependences): Do not pass loop_p.
10201         (translate_clast): Update call to copy_bb_and_scalar_dependences.
10202
10203 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
10204
10205         * graphite.h (debug_value): Removed.
10206         * graphite.c (debug_value): Removed.
10207
10208 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
10209
10210         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
10211         ldrd/strd with two 32-bit instructions.
10212
10213 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
10214
10215         * config/arm/arm.c (struct processors): Pass for speed down into
10216         cost helper functions.
10217         (const_ok_for_op): Handle COMPARE and inequality nodes.
10218         (arm_rtx_costs_1): Rewrite.
10219         (arm_size_rtx_costs): Update prototype.
10220         (arm_rtx_costs): Pass speed down to helper functions.
10221         (arm_slowmul_rtx_costs): Rework cost calculations.
10222         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
10223         (arm_9e_rtx_costs): Likewise.
10224
10225 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
10226
10227         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
10228         relocations of local symbols wider than UNITS_PER_WORD are not valid.
10229         (alpha_legitimize_address): Do not split local symbols wider than
10230         UNITS_PER_WORD into HIGH/LO_SUM parts.
10231
10232 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
10233
10234         PR bootstrap/38580
10235         * gcc.c (process_command): Replace call to execvp with calls
10236         to pex_one and exit.
10237
10238 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
10239
10240         PR target/29141
10241         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
10242         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
10243         variant for devices with 3-byte PC.
10244         (__tablejump_elpm__): New.
10245
10246 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
10247
10248         PR c/32041
10249         * c-parser.c (c_parser_postfix_expression): Allow `->' in
10250         offsetof member-designator, handle it as `[0].'.
10251
10252 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10253
10254         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
10255         function when not using named sections on targets with named sections
10256         if branch distance is less than 262132.
10257
10258 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
10259
10260         * combine.c (combine_instructions):  Recompute
10261         optimize_this_for_speed_p  for each BB in the main combine loop.
10262
10263 2009-01-12  Tomas Bily  <tbily@suse.cz>
10264
10265         PR middlend/38385
10266         * tree-loop-distribution.c (prop_phis): New function.
10267         (generate_builtin): Call prop_phis.
10268         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
10269
10270 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
10271
10272         PR tree-optimization/38807
10273         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
10274         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
10275
10276 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
10277
10278         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
10279         subreg of op0 to the original op0.
10280
10281 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
10282
10283         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
10284
10285 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
10286
10287         PR debug/7055
10288         * mips-tfile.c (parse_def): Fix parsing of def strings
10289         starting with digits.
10290
10291 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
10292
10293         PR target/38695
10294         * config/arm/arm.c (arm_is_long_call_p): Don't call
10295         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
10296
10297 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
10298
10299         * regrename.c (regrename_optimize): Fix dumping.
10300         (find_oldest_value_reg): Preserve REG_POINTER.
10301         (copy_hardreg_forward_1): Likewise.
10302
10303 2009-01-09  Diego Novillo  <dnovillo@google.com>
10304
10305         * gimple.h (struct gimple_statement_base) <uid>: Document
10306         the restrictions on its use.
10307         (gimple_uid): Tidy.
10308         (gimple_set_uid): Tidy.
10309
10310 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
10311
10312         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
10313         zero guard even if align_bytes != 0 and count is smaller than
10314         size_needed.
10315
10316 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
10317
10318         PR rtl-optimization/38495
10319         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
10320         (add_range_and_copies_from_move_list): Print all added ranges.
10321         Add ranges to memory optimized destination.
10322
10323 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
10324
10325         PR target/38686
10326         PR target/38708
10327         * config/i386/i386.c (override_options): Reject
10328         -mstringop-strategy=rep_8byte with -m32.
10329         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
10330         to 1.  Do count comparison against epilogue_size_needed at compile
10331         time even when count_exp was constant forced into register.  For
10332         size_needed don't jump to epilogue, instead just avoid aligning
10333         and invoke the body algorithm.  If need_zero_guard, add zero guard
10334         even if count is non-zero, but smaller than size_needed + number of
10335         bytes that could be stored for alignment.
10336         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
10337         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
10338         but smaller than size_needed + number of bytes that could be stored
10339         for alignment.  Compare size_needed with epilogue_size_needed instead
10340         of desired_align - align, don't adjust size_needed, pass
10341         epilogue_size_needed to the epilogue expanders.
10342
10343         PR c/35742
10344         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
10345
10346 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10347
10348         * pa.c (last_address): Change to unsigned.
10349         (update_total_code_bytes): Change argument to unsigned.  Don't
10350         check if insn addresses are set.
10351         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
10352         addresses are not set.
10353         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
10354
10355 2009-01-09  Nick Clifton  <nickc@redhat.com>
10356
10357         * config/sh/symbian.c: Replace uses of DECL_INLINE with
10358         DECL_DECLARED_INLINE_P.
10359
10360 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
10361
10362         PR middle-end/38347
10363         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
10364         GET_MODE (op0) in operand_subword_force calls.
10365
10366         PR middle-end/38771
10367         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
10368         fold_convert arg0 operands to TREE_TYPE (op0) first.
10369
10370 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
10371
10372         * params.def (ira-max-conflict-table-size): Decrease default value
10373         to 1000.
10374
10375 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
10376
10377         PR tree-optimization/37031
10378         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
10379         on parameter_set.
10380         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
10381         allocate it using gc instead of heap, use VEC_quick_push instead of
10382         VEC_safe_push.
10383         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
10384         instead of heap, use VEC_quick_push instead of VEC_safe_push.
10385         * tree-data-ref.h (struct access_matrix): Change matrix to gc
10386         allocated vector from heap allocated.
10387         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
10388         * tree-loop-linear.c (linear_transform_loops): Allocate nest
10389         vector only after perfect_loop_nest_depth call.
10390
10391 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
10392             Jan Sjodin  <jan.sjodin@amd.com>
10393
10394         PR tree-optimization/38559
10395         * graphite.c (debug_value, copy_constraint,
10396         swap_constraint_variables, scale_constraint_variable, ): New.
10397         (get_lower_bound, get_upper_bound): Removed.
10398         (graphite_trans_bb_strip_mine): Clean up this code that works
10399         only for constant number of iterations.  Fully copy upper and
10400         lower bound constraints, not only the constant part of them.
10401         * graphite.h (debug_value): Declared.
10402
10403 2009-01-08  Ira Rosen  <irar@il.ibm.com>
10404
10405         PR tree-optimization/37194
10406         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
10407         Don't add the cost of cost model guard in prologue to scalar
10408         outside cost in case of known number of iterations.
10409
10410 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
10411             Alan Modra  <amodra@bigpond.net.au>
10412
10413         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
10414         non-word-aligned REG+CONST addressing.
10415
10416 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
10417
10418         PR target/38706
10419         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
10420         free_after_compilation when outputting a thunk.
10421         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
10422         Do not call free_after_compilation here.
10423
10424 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
10425
10426         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
10427         (ix86_valid_target_attribute_inner_p): Ditto.
10428
10429 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
10430
10431         PR tree-optimization/38492
10432         PR tree-optimization/38498
10433         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
10434         * tree-chrec.h (scev_is_linear_expression): Declared.
10435         * graphite.c (graphite_cannot_represent_loop_niter): New.
10436         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
10437         (graphite_loop_normal_form): Use gcc_assert.
10438         (scan_tree_for_params): Use CASE_CONVERT.
10439         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
10440         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
10441         Use gcc_assert.  Discard scops that contain unhandled cases.
10442         (build_scop_conditions): Return a boolean status for unhandled cases.
10443         (strip_mine_profitable_p): Print the loop number, not its depth.
10444         (is_interchange_valid): Pass the depth of the loop nest, don't
10445         recompute it wrongly.
10446         (graphite_trans_bb_block): Same.
10447         (graphite_trans_bb_block): Print tentative of loop blocking.
10448         (graphite_trans_scop_block): Do not print that the loop has been
10449         blocked.
10450         (graphite_transform_loops): Do not handle scops that contain condition
10451         scalar phi nodes.
10452
10453 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
10454
10455         AVX Programming Reference (December, 2008)
10456         * config/i386/avxintrin.h (_mm256_stream_si256): New.
10457         (_mm256_stream_pd): Likewise.
10458         (_mm256_stream_ps): Likewise.
10459
10460         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
10461         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
10462         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
10463         (bdesc_special_args): Add __builtin_ia32_movntdq256,
10464         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
10465         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
10466         (ix86_expand_special_args_builtin): Likewise.
10467
10468         * config/i386/sse.md (AVXMODEDI): New.
10469         (avx_movnt<mode>): Likewise.
10470         (avx_movnt<mode>): Likewise.
10471         (<sse>_movnt<mode>): Remove AVX support.
10472         (sse2_movntv2di): Likewise.
10473
10474 2009-01-07  Richard Guenther  <rguenther@suse.de>
10475
10476         PR middle-end/38751
10477         * fold-const.c (extract_muldiv): Remove obsolete comment.
10478         (fold_plusminus_mult_expr): Undo MINUS_EXPR
10479         to PLUS_EXPR canonicalization for the canonicalization.
10480
10481 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
10482
10483         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
10484         hosted cross-compilers generating less efficient code.
10485
10486 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
10487
10488         * function.h (rtl_data): Add a dbr_scheduled_p field.
10489         * reorg.c (dbr_schedule): Set it.
10490         (gate_handle_delay_slots): Check it.
10491         * config/mips/mips.c (mips_base_delayed_branch): Delete.
10492         (mips_reorg): Check flag_delayed_branch instead of
10493         mips_base_delayed_branch.
10494         (mips_override_options): Don't set mips_base_delayed_branch
10495         or flag_delayed_branch.
10496
10497 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
10498
10499         PR rtl-optimization/38426.
10500         * ira.c (ira): Set current_function_is_leaf earlier.
10501
10502 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
10503
10504         PR rtl-optimization/38722
10505         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
10506         too early, only set a flag and modify after last possible
10507         undo_all point.
10508
10509 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
10510
10511         PR c/34252
10512         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
10513         * real.c (decimal_single_format): Correct values of emin and emax.
10514         (decimal_double_format): Ditto.
10515         (decimal_quad_format): Ditto.
10516         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
10517         computation of DECnn_MIN and DECnn_MAX for corrected values of
10518         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
10519         __DECnn_MIN__, and adjust its computation for the corrected value
10520         of emin.
10521
10522 2009-01-06  Jan Hubicka  <jh@suse.cz>
10523
10524         PR target/38744
10525         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
10526
10527 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
10528
10529         * doc/contrib.texi (Contributors): Slightly adjust the end note.
10530         Add Robert Clark to the list of testers.
10531
10532 2009-01-06  Jan Hubicka  <jh@suse.cz>
10533             Kai Tietz  <kai.tietz@onevision.com>
10534
10535         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
10536         * config/i386/i386.c (ix86_expand_call): Add clobbers.
10537
10538 2009-01-06  Jan Hubicka  <jh@suse.cz>
10539             Kai Tietz  <kai.tietz@onevision.com>
10540
10541         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
10542         for w64 ABI.
10543         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
10544         (ix86_nsaved_regs): Count only general purpose regs.
10545         (ix86_nsaved_sseregs): New.
10546         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
10547         to 16 for w64; compute padding and size of sse reg save area.
10548         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
10549         general purpose regs.
10550         (ix86_emit_save_sse_regs_using_mov): New.
10551         (ix86_expand_prologue): Save SSE regs if needed.
10552         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
10553         (ix86_emit_restore_sse_regs_using_mov): New.
10554         (ix86_expand_epilogue): Save SSE regs if needed.
10555
10556 2009-01-06  Jan Hubicka  <jh@suse.cz>
10557             Kai Tietz  <kai.tietz@onevision.com>
10558
10559         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
10560         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
10561         functions when accumulate outgoing args is off.
10562
10563 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
10564
10565         PR bootstrap/38742
10566         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
10567         before using pseudos_have_intersected_live_ranges_p.
10568
10569         * ira-int.h (ira_assert): Always define.
10570
10571 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
10572
10573         AVX Programming Reference (December, 2008)
10574         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
10575         (_mm256_permute2_pd): Likewise.
10576         (_mm_permute2_ps): Likewise.
10577         (_mm256_permute2_ps): Likewise.
10578         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
10579         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
10580
10581         * config/i386/i386.c (ix86_builtins): Remove
10582         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
10583         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
10584         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
10585         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
10586         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
10587         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
10588         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
10589         __builtin_ia32_vpermil2ps256.
10590         (ix86_init_mmx_sse_builtins): Updated.
10591         (ix86_expand_args_builtin): Likewise.
10592
10593 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10594
10595         * pa.c (output_call): Relocate non-jump insns in the delay slot of
10596         long absolute calls when generating PA 2.0 code.
10597
10598 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
10599
10600         PR rtl-optimization/38583
10601         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
10602
10603         * params.def (ira-max-conflict-table-size): New.
10604
10605         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
10606
10607         * ira.h (ira_conflicts_p): New external definition.
10608
10609         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
10610         table.  Report this.  Return result of building.
10611         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
10612         building conflict table.
10613
10614         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
10615         (ira_color): Use ira_conflicts_p.
10616
10617         * global.c: Include ira.h.
10618         (pseudo_for_reload_consideration_p, build_insn_chain): Use
10619         ira_conflicts_p.
10620
10621         * Makefile.in (global.o): Add ira.h.
10622
10623         * ira-build.c (mark_all_loops_for_removal,
10624         propagate_some_info_from_allocno): New.
10625         (remove_unnecessary_allocnos): Call
10626         propagate_some_info_from_allocno.
10627         (remove_low_level_allocnos): New.
10628         (remove_unnecessary_regions): Add parameter.  Call
10629         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
10630         parameter to remove_unnecessary_regions.
10631         (ira_build): Remove all regions but root if the conflict table was
10632         not built.  Update conflict hard regs for allocnos crossing calls.
10633
10634         * ira.c (ira_conflicts_p): New global.
10635         (ira): Define and use ira_conflicts_p.
10636
10637         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
10638         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
10639         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
10640
10641 2009-01-06  Ben Elliston  <bje@au.ibm.com>
10642
10643         * gengtype-lex.l (YY_NO_INPUT): Define.
10644
10645 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10646
10647         PR c/34911
10648         * c-common.c (handle_vector_size_attribute): Also reject
10649         BOOLEAN_TYPE types.
10650
10651 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
10652
10653         PR tree-optimization/38492
10654         * graphite.c (rename_map_elt, debug_rename_elt,
10655         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
10656         rename_map_elt_info, eq_rename_map_elts,
10657         get_new_name_from_old_name, bb_in_sese_p): Moved around.
10658         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
10659         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
10660         (sese_build_livein_liveouts): New.
10661         (new_sese, free_sese): New.
10662         (new_scop): Call new_sese.
10663         (free_scop): Call free_sese.
10664         (rename_variables_from_edge, rename_phis_end_scop): Removed.
10665         (register_old_new_names): Renamed register_old_and_new_names.
10666         (register_scop_liveout_renames, add_loop_exit_phis,
10667         insert_loop_close_phis, struct igp,
10668         default_liveout_before_guard, add_guard_exit_phis,
10669         insert_guard_phis, copy_renames): New.
10670         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
10671         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
10672         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
10673         (scop_adjust_phis_for_liveouts): New.
10674         (gloog): Call scop_adjust_phis_for_liveouts.
10675
10676         * graphite.h (struct sese): Documented.  Added fields liveout,
10677         num_ver and livein.
10678         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
10679         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
10680         (struct scop): Added field liveout_renames.
10681         (SCOP_LIVEOUT_RENAMES): New.
10682
10683 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10684
10685         PR tree-optimization/38510
10686         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
10687         (translate_clast): Call recompute_all_dominators before
10688         graphite_verify.
10689         (gloog): Call recompute_all_dominators before graphite_verify.
10690
10691 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10692             Jan Sjodin  <jan.sjodin@amd.com>
10693
10694         PR tree-optimization/38500
10695         * graphite.c (create_sese_edges): Call fix_loop_structure after
10696         splitting blocks.
10697
10698 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
10699
10700         * config.gcc: Add m32r*-*-rtems*.
10701         * config/m32r/rtems.h: New file.
10702
10703 2009-01-05  Ben Elliston  <bje@au.ibm.com>
10704
10705         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
10706         (.po.pox): Likewise.
10707         (po/gcc.pot): Likewise.
10708
10709 2009-01-04  David S. Miller  <davem@davemloft.net>
10710
10711         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
10712         (STARTING_FRAME_OFFSET): Always set to zero.
10713
10714 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
10715
10716         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
10717         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
10718         fixed-point types, and vectors of the same.
10719
10720 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
10721
10722         * config/mips/sync.md (*mb_barrier): Rename to...
10723         (*memory_barrier): ...this.
10724
10725 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
10726
10727         * doc/extend.texi (Function Attributes): Move @cindex after @item
10728         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
10729         and put in alphabetical order. Fix 'target' name and put in order.
10730         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
10731         typos.
10732
10733 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
10734
10735         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
10736         (memory_barrier): Expand as unspec instead of unspec_volatile.
10737         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10738         (*memory_barrier): Define as unspec instead of unspec_volatile.
10739         Use (match_dup 0) as input operand.
10740
10741         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
10742         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
10743         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
10744         scratch register.  Remove operand 1.
10745         (*stbar): Define as unspec instead of unspec_volatile.
10746         Use (match_dup 0) as input operand, remove (const_int 8).
10747         (*membar): Define as unspec instead of unspec_volatile.
10748         Use (match_dup 0) as input operand, remove input operand 2.
10749
10750         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
10751         (memory_barrier): Expand as unspec instead of unspec_volatile.
10752         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10753         (*memory_barrier): Define as unspec instead of unspec_volatile.
10754         Use (match_dup 0) as input operand.
10755
10756         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
10757         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10758         Set volatile flag on operand 0.
10759         (*memory_barrier): New insn pattern.
10760
10761         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
10762         insn operands.
10763         (*memory_barrier): Use (match_dup 0) as input operand.
10764
10765         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
10766         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10767         Set volatile flag on operand 0.
10768         (*mb_internal): New insn pattern.
10769
10770         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
10771
10772 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
10773
10774         PR middle-end/38586
10775         * function.c (struct temp_slot): Move to the section of the file
10776         that deals with temp slots.  Remove field 'address'.
10777         (temp_slot_address_table): New hash table of address -> temp slot.
10778         (struct temp_slot_address_entry): New struct, items for the table.
10779         (temp_slot_address_compute_hash, temp_slot_address_hash,
10780         temp_slot_address_eq, insert_temp_slot_address): Support functions
10781         for the new table.
10782         (find_temp_slot_from_address): Rewrite to use the new hash table.
10783         (remove_unused_temp_slot_addresses): Remove addresses of temp
10784         slots that have been made available.
10785         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
10786         worker function for remove_unused_temp_slot_addresses.
10787         (assign_stack_temp_for_type): Don't clear the temp slot address list.
10788         Add the temp slot address to the address -> temp slot map.
10789         (update_temp_slot_address): Update via insert_temp_slot_address.
10790         (free_temp_slots): Call remove_unused_temp_slot_addresses.
10791         (pop_temp_slots): Likewise.
10792         (init_temp_slots): Allocate the address -> temp slot map, or empty
10793         the map if it is already allocated.
10794         (prepare_function_start): Initialize temp slot processing.
10795
10796 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
10797
10798         PR middle-end/38584
10799         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
10800         Calculate the size of all stack vars assuming no packing of stack
10801         vars will happen, replacing a quadratic algorithm with a linear one.
10802
10803 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
10804
10805         PR target/38707
10806         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
10807         can't be used.
10808
10809 2009-01-03  Diego Novillo  <dnovillo@google.com>
10810
10811         * doc/contrib.texi: Update contributions.
10812
10813 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
10814
10815         PR c++/38705
10816         * builtins.c (fold_builtin_memory_op): Give up if either operand
10817         is volatile.  Set srctype or desttype to non-qualified version
10818         of the other type.
10819
10820         PR c/38700
10821         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
10822         and FUNCTION_DECLs.
10823
10824 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
10825
10826         PR rtl-optimization/35805
10827         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
10828         problem if fast dce is able to remove any instructions.
10829         * dce.c (dce_process_block): Fix dump message.
10830
10831 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
10832
10833         PR 33649
10834         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
10835
10836 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
10837
10838         PR middle-end/38690
10839         * tree-flow.h (op_code_prio, op_prio): New prototypes.
10840         * tree-pretty-print.c (op_code_prio): New function.
10841         (op_prio): No longer static.  Use op_code_prio.
10842         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
10843         Use op_prio and op_code_prio to determine if () should be
10844         printed around operand(s) or not.
10845
10846         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
10847         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
10848         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
10849         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
10850         pp_character instead of pp_string for single letter printing.
10851
10852 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
10853
10854         * doc/extend.texi: Fix '#pragma GCC option' typo.
10855
10856 2009-01-02  Richard Guenther  <rguenther@suse.de>
10857
10858         * doc/install.texi (--enable-checking): Mention different
10859         default for stage1.
10860         (--enable-stage1-checking): Document.
10861
10862 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
10863
10864         PR middle-end/30142
10865         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
10866         case to be an error.
10867
10868 2009-01-02  Ben Elliston  <bje@au.ibm.com>
10869
10870         * config/fp-bit.h (pack_d): Constify argument.
10871         * config/fp-bit.c (makenan): Constify return type. Remove casts.
10872         (isnan): Constify argument.
10873         (isinf): Likewise.
10874         (iszero): Likewise.
10875         (pack_d): Likewise.
10876         (_fpadd_parts): Constify return type.
10877         (_fpmul_parts): Likewise.
10878         (_fpdiv_parts): Likewise.
10879
10880 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
10881
10882         PR c/36489
10883         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
10884         warn about overwriting initializer with side-effects or
10885         -Woverride-init if !IMPLICIT.
10886         (output_init_element): Likewise.  Pass IMPLICIT down to
10887         add_pending_init.
10888         (process_init_element): Add IMPLICIT argument.  Pass it down
10889         to output_init_element.
10890         (push_init_element, pop_init_level, set_designator): Adjust
10891         process_init_element callers.
10892         (set_nonincremental_init, set_nonincremental_init_from_string):
10893         Adjust add_pending_init callers.
10894         (output_pending_init_elements): Adjust output_init_element callers.
10895         * c-tree.h (process_init_element): Adjust prototype.
10896         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
10897         process_init_element callers.
10898
10899 \f
10900 Copyright (C) 2009 Free Software Foundation, Inc.
10901
10902 Copying and distribution of this file, with or without modification,
10903 are permitted in any medium without royalty provided the copyright
10904 notice and this notice are preserved.