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PR middle-end/40084
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1 2009-05-10  Jan Hubicka  <jh@suse.cz>
2
3         PR middle-end/40084
4         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call argument;
5         rewrite.
6         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
7         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
8         * tree-inline.c (copy_bb): Set frequency correctly.
9         (fold_marked_statements): Update call of cgraph_update_edges_for_call_stmt.
10
11 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
12
13         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
14         identifiers in diagnostics.
15         * config/arm/arm.c (arm_handle_fndecl_attribute,
16         arm_handle_isr_attribute): Likewise.
17         * config/avr/avr.c (avr_handle_progmem_attribute,
18         avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
19         Likewise.
20         * config/bfin/bfin.c (handle_int_attribute,
21         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
22         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
23         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
24         Likewise.
25         * config/darwin.c (darwin_handle_kext_attribute,
26         darwin_handle_weak_import_attribute): Likewise.
27         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
28         h8300_handle_eightbit_data_attribute,
29         h8300_handle_tiny_data_attribute): Likewise.
30         * config/i386/i386.c (ix86_handle_cconv_attribute,
31         ix86_handle_abi_attribute, ix86_handle_struct_attribute):
32         Likewise.
33         * config/i386/winnt.c (ix86_handle_shared_attribute,
34         ix86_handle_selectany_attribute): Likewise.
35         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
36         * config/m32c/m32c.c (function_vector_handler): Likewise.
37         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
38         m68hc11_handle_fntype_attribute): Likewise.
39         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
40         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
41         * config/mips/mips.c (mips_insert_attributes,
42         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
43         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
44         rs6000_handle_struct_attribute): Likewise.
45         * config/sh/sh.c (sh_insert_attributes,
46         sh_handle_resbank_handler_attribute,
47         sh_handle_interrupt_handler_attribute,
48         sh2a_handle_function_vector_handler_attribute,
49         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
50         Likewise.
51         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
52         * config/spu/spu.c (spu_handle_fndecl_attribute,
53         spu_handle_vector_attribute): Likewise.
54         * config/stormy16/stormy16.c
55         (xstormy16_handle_interrupt_attribute): Likewise.
56         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
57         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
58
59 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
60
61         * pretty-print.h (struct pretty_print_info): Add
62         translate_identifiers.
63         (pp_translate_identifiers): New.
64         (pp_identifier): Only conditionally translate identifier to locale
65         character set.
66         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
67         (pp_base_tree_identifier): Only conditionally translate identifier
68         to locale character set.
69         * c-pretty-print.c (M_): Define.
70         (pp_c_type_specifier, pp_c_primary_expression): Mark English
71         fragments for conditional translation with M_.
72         * tree-pretty-print.c (maybe_init_pretty_print): Disable
73         identifier translation.
74
75 2009-05-10  Richard Guenther  <rguenther@suse.de>
76
77         PR tree-optimization/40081
78         * tree-sra.c (instantiate_element): Instantiate scalar replacements
79         using the main variant of the element type.  Do not fiddle with
80         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
81
82 2009-05-09  Jan Hubicka  <jh@suse.cz>
83
84         PR middle-end/40080
85         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
86         indirect calls; verify cgraph afterwards.
87
88 2009-05-09  Jan Hubicka  <jh@suse.cz>
89
90         PR bootstrap/40082
91         * ipa.c (update_inlined_to_pointer): New function.
92         (cgraph_remove_unreachable_nodes): Use it.
93
94 2009-05-09  Jan Hubicka  <jh@suse.cz>
95
96         * tree-eh.c (struct leh_state): Remove prev_try.
97         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
98         not track prev_try.
99         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
100         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
101         remove_eh_handler_and_replace, foreach_reachable_handler,
102         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
103         * except.h (struct eh_region): Remove eh_region_u_cleanup.
104         (gen_eh_region_cleanup): Update prototype.
105
106 2009-05-09  Jan Hubicka  <jh@suse.cz>
107
108         PR middle-end/40043
109         * except.c (copy_eh_region): Always set prev_try.
110         (redirect_eh_edge_to_label): Find outer try.
111         (foreach_reachable_handler): When looking for prev try
112         handle case where previous try is not going to be taken.
113
114 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
115
116         PR tree-optimization/40049
117         * tree-vect-stmts.c (vectorizable_operation): If the machine has
118         only vector/vector shifts, convert the type of the constant to the
119         appropriate type to avoid building incorrect trees, which
120         eventually have problems with garbage collection.
121
122 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
123
124         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
125         -1 for complex floating-point types if honoring signed zeros.
126
127 2009-05-08  Jan Hubicka  <jh@suse.cz>
128
129         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
130         argument; handle correctly when profile is absent.
131         (build_cgraph_edges): Update.
132         (rebuild_cgraph_edges): Update.
133         * cgraph.c: Do not include varray.h.
134         (cgraph_set_call_stmt_including_clones): New function.
135         (cgraph_create_edge_including_clones): Likewise
136         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
137         (cgraph_update_edges_for_call_stmt): Handle clones.
138         (cgraph_remove_node): Handle clone tree.
139         (cgraph_remove_node_and_inline_clones): New function.
140         (dump_cgraph_node): Dump clone tree.
141         (cgraph_clone_node): Handle clone tree.
142         (clone_function_name): Bring here from tree-inline.c.
143         (cgraph_create_virtual_clone): New function.
144         * cgraph.h (ipa_replace_map): Move here from ipa.h.
145         (cgraph_clone_info): New function.
146         (strut cgraph_node): Add clone_info and new clone tree pointers.
147         (cgraph_remove_node_and_inline_clones,
148         cgraph_set_call_stmt_including_clones,
149         cgraph_create_edge_including_clones,
150         cgraph_create_virtual_clone): Declare.
151         (cgraph_function_versioning): Use VEC argument.
152         (compute_call_stmt_bb_frequency): Update prototype.
153         (cgraph_materialize_all_clones): New function.
154         * ipa-cp.c (ipcp_update_cloned_node): Remove.
155         (ipcp_create_replace_map): Update to VECtors.
156         (ipcp_update_callgraph): Use virtual clones.
157         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
158         (ipcp_update_profiling): Do not update local profiling.
159         (ipcp_insert_stage): Use VECtors and virtual clones.
160         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
161         (clone_of_p): New function.
162         (cgraph_preserve_function_body_p): Use clone tree.
163         (cgraph_optimize): Materialize clones.
164         (cgraph_function_versioning): Update for VECtors.
165         (save_inline_function_body): Use clone tree.
166         (cgraph_materialize_clone): New function.
167         (cgraph_materialize_all_clones): Likewise.
168         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
169         * ipa.c: Include gimple.h.
170         (cgraph_remove_unreachable_nodes): Use clone tree.
171         * ipa-prop.c (ipa_note_param_call): Update call to
172         compute_call_stmt_bb_frequencycall.
173         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
174         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
175         (copy_bb): Handle updating of clone tree; add new edge when new call
176         appears.
177         (expand_call_inline): Be strict about every call having edge.
178         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
179         (delete_unreachable_blocks_update_callgraph): New function.
180         (tree_function_versioning): Use VECtors; always remove unreachable
181         blocks and fold conditionals.
182         * tree-inline.h: Do not include varray.h.
183         (tree_function_versioning): Remove.
184         * Makefile.in (GTFILES): Remove tree-inline.c
185         * passes.c (do_per_function): Do only functions having body.
186         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
187         tree.
188
189 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
190             Andrew Morrow  <acm@google.com>
191
192         PR c/36892
193         * c-common.c (c_common_attribute_table): Permit deprecated
194         attribute to take an optional argument.
195         (handle_deprecated_attribute): If the optional argument to
196         __attribute__((deprecated)) is not a string ignore the attribute
197         and emit a warning.
198
199         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
200         * c-typeck.c (build_component_ref): Likewise.
201         (build_external_ref): Likewise.
202
203         * toplev.c (warn_deprecated_use): Add an attribute argument.
204         Emit the message associated with __attribute__((deprecated)).
205
206         * toplev.h (warn_deprecated_use): Updated.
207
208         * doc/extend.texi: Document new optional parameter to
209         __attribute__((deprecated))
210
211 2009-05-08  Michael Eager <eager@eagercon.com>
212
213         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
214         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
215
216 2009-05-08  Richard Guenther  <rguenther@suse.de>
217
218         PR tree-optimization/40062
219         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
220         Avoid exponential behavior.
221
222 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
223
224         PR rtl-optimization/33928
225         PR 26854
226         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
227         process_uses, build_single_def_use_links): New.
228         (update_df): Update use_def_ref.
229         (forward_propagate_into): Use get_def_for_use instead of use-def
230         chains.
231         (fwprop_init): Call build_single_def_use_links and let it initialize
232         dataflow.
233         (fwprop_done): Free use_def_ref.
234         (fwprop_addr): Eliminate duplicate call to df_set_flags.
235         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
236         df_rd_simulate_one_insn): New.
237         (df_rd_bb_local_compute_process_def): Update head comment.
238         (df_chain_create_bb): Use the new RD simulation functions.
239         * df.h (df_rd_simulate_artificial_defs_at_top, 
240         df_rd_simulate_one_insn): New.
241         * opts.c (decode_options): Enable fwprop at -O1.
242         * doc/invoke.texi (-fforward-propagate): Document this.
243
244 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
245
246         PR c/24581
247         * c-typeck.c (build_binary_op): Handle arithmetic between one real
248         and one complex operand specially.
249         * tree-complex.c (some_nonzerop): Do not identify a real value as
250         zero if flag_signed_zeros.
251
252 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
253
254         PR rtl-optimization/33928
255         * loop-invariant.c (record_use): Fix && vs. || mishap.
256
257 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
258
259         PR rtl-optimization/33928
260         * loop-invariant.c (struct use): Add addr_use_p.
261         (struct def): Add n_addr_uses.
262         (struct invariant): Add cheap_address.
263         (create_new_invariant): Set cheap_address.
264         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
265         (record_uses): Pass df_ref to record_use.
266         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
267         used only as such.
268
269 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
270
271         * config/sh/sh.c: Do not include c-pragma.h.
272
273 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
274
275         * config/spu/spu.c: Remove include of c-common.h.
276
277 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
278
279         PR c/39037
280         * c-common.h (mark_valid_location_for_stdc_pragma,
281         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
282         clear_float_const_decimal64, float_const_decimal64_p): New.
283         * c.opt (Wunsuffixed-float-constants): New.
284         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
285         unsuffixed float constant, handle new warning.
286         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
287         * c-decl.c (c_scope): New flag float_const_decimal64.
288         (set_float_const_decimal64, clear_float_const_decimal64,
289         float_const_decimal64_p): New.
290         (push_scope): Set new flag.
291         * c-parser.c (c_parser_translation_unit): Mark when it's valid
292         to use STDC pragmas.
293         (c_parser_external_declaration): Ditto.
294         (c_parser_compound_statement_nostart): Ditto.
295         * c-pragma.c (valid_location_for_stdc_pragma,
296         mark_valid_location_for_stdc_pragma,
297         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
298         handle_pragma_float_const_decimal64): New.
299         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
300         * cp/semantics.c (valid_location_for_stdc_pragma_p,
301         set_float_const_decimal64, clear_float_const_decimal64,
302         float_const_decimal64_p): New dummy functions.
303         * doc/extend.texi (Decimal Float): Remove statement that the
304         pragma, and suffix for double constants, are not supported.
305         * doc/invoke.texi (Warning Options): List new option.
306         (-Wunsuffixed-float-constants): New.
307
308 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
309
310         * config/i386/i386.c: Do not include c-common.h.
311
312 2009-05-07  Mark Heffernan  <meheff@google.com>
313
314         * doc/invoke.texi (Debugging Options): Document change of debugging
315         dump location.
316         * opts.c (decode_options): Make dump_base_name relative to
317         aux_base_name directory.
318
319 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
320
321         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
322         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
323
324 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
325
326         * Makefile.in (install-plugin): Simplify a bit.
327
328 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
329
330         * Makefile.in (OBJS-common): Add regcprop.o.
331         (regcprop.o): New.
332         * timevar.def (TV_CPROP_REGISTERS): New.
333         * regrename.c (regrename_optimize): Return 0.
334         (rest_of_handle_regrename): Delete.
335         (pass_rename_registers): Point to regrename_optimize.
336         (struct value_data_entry, struct value_data, 
337         kill_value_one_regno, kill_value_regno, kill_value,
338         set_value_regno, init_value_data, kill_clobbered_value,
339         kill_set_value, kill_autoinc_value, copy_value,
340         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
341         replace_oldest_value_reg, replace_oldest_value_addr,
342         replace_oldest_value_mem, copyprop_hardreg_forward_1,
343         debug_value_data, validate_value_data): Move...
344         * regcprop.c: ... here.
345         (rest_of_handle_cprop): Delete.
346         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
347
348 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
349
350         PR middle-end/40057
351         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
352         GEN_INT for 1 << bitnum.
353         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
354         build_int_cst_type.
355
356 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
357
358         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
359         Remove wrong description of "nand" operation.
360
361 2009-05-06  Richard Guenther  <rguenther@suse.de>
362             Adam Nemet  <anemet@caviumnetworks.com>
363
364         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
365         comment.  Add that if LHS is not a gimple register, then RHS1 has
366         to be a single object (GIMPLE_SINGLE_RHS).
367
368 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
369
370         * expr.c (get_def_for_expr): Move it up in the file.
371         (store_field): When expanding a bit-field store, look at the
372         defining gimple stmt for the masking conversion.
373
374 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
375
376         PR middle-end/39986
377         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
378         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
379         32-bit memcpy into long.
380
381 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
382
383         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
384         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
385         new_reg_loc_descr.
386         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
387         instead of appending DW_OP_deref*.
388
389 2009-05-06  Michael Matz  <matz@suse.de>
390
391         PR middle-end/40021
392         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
393         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
394
395 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
396
397         * Makefile.in (install-plugin): Fix srcdir handling.
398
399 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
400
401         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
402         when processing for not_regs_needed bitmap.
403         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
404         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
405         handling it for rhs. 
406
407 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
408
409         * config/i386/i386.md (unnamed inc/dec peephole): Use
410         optimize_insn_for_size_p instead of optimize_size.
411         * config/i386/predicates.md (incdec_operand): Likewise.
412         (aligned_operand): Likewise.
413         * config/i386/sse.md (divv8sf3): Likewise.
414         (sqrtv8sf2): Likewise.
415
416 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
417
418         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
419
420         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
421
422 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
423
424         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
425         ssemodesuffixf2c with avxmodesuffixf2c.
426
427 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
428
429         PR c/40032
430         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
431
432 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
433
434         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
435         (struct tree_base): Adjust spacing for 8 bit boundaries.
436         (struct tree_decl_common): Add decl_by_reference_flag bit.
437         (DECL_BY_REFERENCE): Adjust.
438         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
439         print DECL_BY_REFERENCE bit.
440         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
441         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
442         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
443         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
444         unconditionally.
445
446         PR middle-end/39666
447         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
448         range of the type, but default label is missing, add it with one
449         of the existing labels instead of adding a new label for it.
450
451 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
452
453         * dwarf.h: Remove.
454
455 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
456
457         * Makefile.in (enable_plugin, plugin_includedir): New.
458         (install): Depend on install-plugin.
459         (PLUGIN_HEADERS): New.
460         (install-plugin): New.
461         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
462
463 2009-05-05  Richard Guenther  <rguenther@suse.de>
464
465         PR tree-optimization/40022
466         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
467         the only vuse.
468         (phivn_valid_p): Fix tuplification error, simplify.
469         (phiprop_insert_phi): Add dumps.
470         (propagate_with_phi): Simplify.
471
472 2009-05-05  Richard Guenther  <rguenther@suse.de>
473
474         PR middle-end/40023
475         * builtins.c (gimplify_va_arg_expr): Properly build the address.
476
477 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
478
479         * tree.h (strip_float_extensions): Remove duplicate declaration.
480         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
481         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
482         block_ultimate_origin): Rearrange the declarations line to match the
483         comment that indicates the .c file which the functions are defined.
484         (dwarf2out_*, set_decl_rtl): Add comment.
485         (get_base_address): Adjust comment.
486         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
487         declarations line and add comment.
488         (is_builtin_name): Add blank after function name, for clarity.
489
490 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
491
492         * attribs.c (decl_attributes): Use %qE for identifiers in
493         diagnostics.
494         * cgraphunit.c (verify_cgraph_node): Translate function names to
495         locale character set in diagnostics.
496         * coverage.c (get_coverage_counts): Use %qE for identifiers in
497         diagnostics.
498         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
499         Document that functions are named in UTF-8.
500         * expr.c (expand_expr_real_1): Translate function names to locale
501         character set in diagnostics.
502         * gimplify.c (omp_notice_variable, omp_is_private,
503         gimplify_scan_omp_clauses): Use %qE for identifiers in
504         diagnostics.
505         * langhooks.c (lhd_print_error_function): Translate function names
506         to locale character set.
507         * langhooks.h (decl_printable_name): Document that return value is
508         in internal character set.
509         * stmt.c: Include pretty-print.h
510         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
511         diagnostics.
512         (resolve_operand_name_1): Translate named operand name to locale
513         character set.
514         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
515         diagnostics.
516         * toplev.c (announce_function): Translate function names to locale
517         character set.
518         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
519         (default_tree_printer): Use pp_identifier or translate identifiers
520         to locale character set.  Mark "<anonymous>" for translation.
521         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
522         for identifiers in diagnostics.
523         * tree.c (handle_dll_attribute): Use %qE for identifiers in
524         diagnostics.
525         * varasm.c (output_constructor): Use %qE for identifiers in
526         diagnostics.
527
528 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
529
530         * configure.ac: use ` ` instead of $()
531         * configure: Regenerate.
532
533 2009-05-05  Ben Elliston  <bje@au.ibm.com>
534
535         * config/pa/linux-atomic.c: Eliminate conditional include of
536         errno.h on non-LP64 systems to simplify build requirements.
537
538 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
539
540         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
541         diagnostics.
542         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
543         and pass value to identifier_to_locale.
544         (warn_variable_length_array): Make name a tree.
545         (grokdeclarator): Separate diagnostic texts for named and unnamed
546         declarators.  Use %qE for named declarators.
547         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
548         diagnostics.
549         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
550         identifiers in diagnostics.
551         * c-typeck.c (push_member_name, start_init): Pass identifiers to
552         identifier_to_locale.  Mark "anonymous" strings for translation.
553
554 2009-05-04  Michael Eager <eager@eagercon.com>
555
556         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
557         address for DImode/DFmode only if double-precision FP regs.
558
559 2009-05-04  Michael Eager <eager@eagercon.com>
560
561         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
562         TARGET_SINGLE_FLOAT check.
563
564 2009-05-04  Michael Eager <eager@eagercon.com>
565
566         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
567
568 2009-05-04  Michael Eager <eager@eagercon.com>
569
570         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
571         * config/rs6000/t-xilinx: New
572
573 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
574
575         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
576         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
577         * gcc/explow.c (memory_address): Use target hook.
578         * gcc/targhooks.c (default_legitimize_address): New.
579         * gcc/targhooks.h (default_legitimize_address): New.
580         * gcc/target.h (legitimize_address): New.
581         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
582         (TARGET_INITIALIZER): Include it.
583         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
584
585         * config/bfin/bfin-protos.h (legitimize_address): Remove.
586         * config/bfin/bfin.c (legitimize_address): Remove.
587         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
588         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
589         Remove.
590         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
591         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
592
593         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
594         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
595         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
596         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
597         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
598         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
599         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
600         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
601         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
602         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
603         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
604         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
605         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
606         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
607         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
608         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
609         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
610         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
611         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
612         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
613         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
614         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
615         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
616
617         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
618         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
619         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
620         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
621         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
622         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
623         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
624         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
625         (thumb_legitimize_address): Delete.
626         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
627         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
628         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
629         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
630         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
631         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
632         Delete.
633         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
634         Delete.
635
636         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
637         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
638         * config/m32r/m32r.c (m32r_legitimize_address): New.
639         * config/m68k/m68k.c (m68k_legitimize_address): New.
640         * config/score/score.c (score_legitimize_address): Standardize.
641         * config/score/score3.c (score3_legitimize_address): Standardize.
642         * config/score/score3.h (score3_legitimize_address): Adjust.
643         * config/score/score7.c (score7_legitimize_address): Standardize.
644         * config/score/score7.h (score7_legitimize_address): Adjust.
645         * config/sh/sh.c (sh_legitimize_address): New.
646         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
647
648         * gcc/config/s390/s390.c (legitimize_address): Rename to...
649         (s390_legitimize_address): ... this.
650         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
651         (sparc_legitimize_address): ... this.
652         * gcc/config/i386/i386.c (legitimize_address): Rename to...
653         (ix86_legitimize_address): ... this.
654         * gcc/config/avr/avr.c (legitimize_address): Rename to...
655         (avr_legitimize_address): ... this.
656         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
657         (mn10300_legitimize_address): ... this.
658         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
659         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
660         (alpha_expand_mov): Adjust call.
661
662         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
663         * config/spu/spu.c (spu_legitimize_address): Likewise.
664         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
665         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
666
667 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
668
669         * intl.c (locale_encoding, locale_utf8): New.
670         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
671         * intl.h (locale_encoding, locale_utf8): Declare.
672         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
673         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
674         New.
675         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
676         argument.
677         (pp_tree_identifier): Define to call pp_base_tree_identifier.
678         (pp_base_tree_identifier): Declare as function.
679         (identifier_to_locale): Declare.
680         * Makefile.in (pretty-print.o): Update dependencies.
681         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
682
683 2009-05-04  Richard Guenther  <rguenther@suse.de>
684
685         PR middle-end/40015
686         * builtins.c (fold_builtin_memory_op): Do not decay to element
687         type if the size matches the whole array.
688
689 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
690
691         * expmed.c (synth_mult): When trying out a shift, pass the result
692         of a signed shift.
693
694 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
695
696         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
697         (shiftsub1_cost): New.
698         (init_expmed): Compute shiftsub1_cost.
699         (synth_mult): Optimize multiplications by constants of the form
700         -(2^^m-1) for some constant positive integer m.
701
702 2009-05-03  Richard Guenther  <rguenther@suse.de>
703
704         PR c/39983
705         * c-typeck.c (array_to_pointer_conversion): Do not built
706         ADDR_EXPRs of arrays of pointer-to-element type.
707         * c-gimplify.c (c_gimplify_expr): Revert change fixing
708         up wrong ADDR_EXPRs after-the-fact.
709         * c-common.c (strict_aliasing_warning): Strip pointer
710         conversions for obtaining the original type.
711         * builtins.c (fold_builtin_memset): Handle array types.
712         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
713         and array types
714
715 2009-05-03  Richard Guenther  <rguenther@suse.de>
716
717         PR middle-end/23329
718         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
719         Do not lose casts from array types with unknown extent to array
720         types with known extent.
721         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
722         alias set compatibility.
723
724 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
725
726         * flags.h (extra_warnings): Delete.
727         * toplev.c (process_options): Handle Wuninitialized here.
728         * opts.c (extra_warnings): Delete.
729         (set_Wextra): Delete.
730         (common_handle_option): -Wextra can be handled automatically.
731         * c-opts.c (c_common_handle_option): Delete obsolete code.
732         (c_common_post_options): Simplify comment.
733         * common.opt (W): Add Var.
734         (Wextra): Add Var.
735         (Wuninitialized): Initialize to -1.
736
737 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
738             Richard Guenther  <rguenther@suse.de>
739
740         * expr.c (get_def_for_expr): New function.
741         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
742         SSA rather than trees.
743         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
744         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
745         
746 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
747
748         * c-common.c (reswords): Add _Imaginary.
749         * c-common.c (enum rid): Add RID_IMAGINARY.
750
751 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
752
753         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
754         Patch by Richard Guenther.
755
756 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
757
758         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
759         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
760         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
761         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
762         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
763         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
764         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
765         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
766         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
767         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
768         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
769         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
770         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
771         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
772         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
773         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
774         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
775         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
776
777 2009-05-02  Richard Guenther  <rguenther@suse.de>
778
779         PR tree-optimization/39940
780         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
781         doing so.
782
783 2009-05-02  Richard Guenther  <rguenther@suse.de>
784
785         PR middle-end/40001
786         * tree-ssa.c (execute_update_addresses_taken): Properly check
787         if we can mark a variable DECL_GIMPLE_REG_P.
788         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
789         back to the end of the function.
790         (is_gimple_reg_type): Remove complex type special casing.
791         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
792         if not optimizing.
793
794 2009-05-02  Ben Elliston  <bje@au.ibm.com>
795
796         * doc/collect2.texi (Collect2): Document search path behaviour
797         when configured with --with-ld.
798
799 2009-05-02  Jan Hubicka  <jh@suse.cz>
800
801         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
802         parameter; update callers.
803         (coalesce_cost_edge): EH edges are costier because they needs
804         splitting even if not critical and even more costier when there are
805         multiple EH predecestors.
806
807 2009-05-02  Jan Hubicka  <jh@suse.cz>
808
809         * except.c (remove_eh_handler_and_replace): Handle updating after
810         removing TRY blocks.
811
812 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
813
814         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
815
816 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
817
818         * varasm.c: Do not include c-pragma.h.
819         * attribs.c: Do not incude c-common.h.
820
821 2009-05-01  Michael Matz  <matz@suse.de>
822
823         * calls.c (initialize_argument_information): Handle SSA names like
824         decls with a non MEM_P DECL_RTL.
825
826 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
827
828         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
829         * ipa-utils.c: Likewise.
830         * ipa-type-escape.c: Likewise.
831         * cgraphunit.c Do not include c-common.h.
832         * ipa-pure-const.c: Likewise.
833         * tree-if-conv.c: Likewise.
834         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
835         * ipa-struct-reorg.c: Likewise.
836         * tree-nomudflap.c: Likewise.
837         * tree-ssa-structalias.c: Likewise.
838
839 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
840
841         * store-motion.c: Many cleanups to make this pass a first-class
842         citizen instead of an appendix to gcse load motion.  Add TODO list
843         to make this pass faster/cleaner/better.
844
845         (struct ls_expr): Post gcse.c-split cleanups.
846         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
847         "stores" field to "avail_stores".
848         (pre_ldst_mems): Rename to store_motion_mems.
849         (pre_ldst_table): Rename to store_motion_mems_table.
850         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
851         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
852         (ldst_entry): Rename to st_expr_entry, update users.
853         (free_ldst_entry): Rename to free_st_expr_entry, update users.
854         (free_ldst_mems): Rename to free_store_motion_mems, update users.
855         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
856         update caller.
857         (first_ls_expr): Rename to first_st_expr, update users.
858         (next_ls_expr): Rename to next_st_expr, update users.
859         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
860         fields properly for store motion instead of names inherited from load
861         motion in gcse.c.
862         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
863         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
864         are done with it.
865
866         (ae_kill): Rename to st_kill, update users.
867         (ae_gen): Rename to st_avloc, update users.
868         (transp): Rename to st_transp, update users.
869         (pre_insert_map): Rename to st_insert_map, update users.
870         (pre_delete_map): Rename to st_delete_map, update users.
871         (insert_store, build_store_vectors, free_store_memory,
872         one_store_motion_pass): Update for abovementioned changes.
873
874         (gcse_subst_count, gcse_create_count): Remove.
875         (one_store_motion_pass): New statistics counters "n_stores_deleted"
876         and "n_stores_created", local variables.
877
878         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
879         use for_each_rtx.
880
881         (regvec, compute_store_table_current_insn): Remove.
882         (reg_set_info, reg_clear_last_set): Remove.
883         (compute_store_table): Use DF caches instead of local dataflow
884         solvers.
885
886 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
887
888         * c-objc-common.c (c_tree_printer): Print identifiers with
889         pp_identifier, not pp_string.  Mark "({anonymous})" for
890         translation.
891         * c-pretty-print.c (pp_c_ws_string): New.
892         (pp_c_cv_qualifier, pp_c_type_specifier,
893         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
894         pp_c_storage_class_specifier, pp_c_function_specifier,
895         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
896         pp_c_primary_expression, pp_c_postfix_expression,
897         pp_c_unary_expression, pp_c_shift_expression,
898         pp_c_relational_expression, pp_c_equality_expression,
899         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
900         use pp_string and pp_c_ws_string in place of pp_identifier and
901         pp_c_identifier for non-identifiers.  Mark English strings for
902         translation.
903         * c-pretty-print.h (pp_c_ws_string): Declare.
904
905 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
906             Roland McGrath <roland@redhat.com>
907
908         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
909         (ENABLE_LD_BUILDID): New configuration option.
910         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
911         (LINK_BUILDID_SPEC): New macro.
912         (init_spec): If defined, prepend it between LINK_EH_SPEC and
913         link_spec.
914         * doc/install.texi: Document --enable-linker-build-id option.
915         * configure: Rebuild.
916         * config.in: Rebuild.
917
918 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
919
920         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
921         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
922         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
923         MIPS_GP_SAVE_AREA_SIZE.
924         * config/mips/mips.c (struct mips_frame_info): Update comment
925         before arg_pointer_offset and hard_frame_pointer_offset.
926         (mips_compute_frame_info): Update diagram before function: to
927         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
928         indicate the position of frame_pointer_rtx with -fstack-protector and
929         to show args_size.  Don't allocate cprestore area for leaf functions
930         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
931         cprestore_size.
932         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
933
934 2009-04-30  Michael Matz  <matz@suse.de>
935
936         PR tree-optimization/39955
937         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
938
939 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
940
941         * ira.c (setup_cover_and_important_classes):  Use safe macro
942         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
943         directly.
944         * genpreds.c (write_tm_preds_h):  Output suitable definition of
945         REG_CLASS_FOR_CONSTRAINT.
946
947 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
948
949         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
950         instead of an int.
951         * bitmap.c (bitmap_descriptor): Likewise.
952         * ggc-common.c (loc_descriptor): Likewise.
953         * varray.c (varray_descriptor): Likewise.
954         * vec.c (vec_descriptor): Likewise.
955
956 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
957
958         * Makefile.in (dce.o): Add $(EXCEPT_H).
959         * dce.c: Include except.h and delete redundant vector definitions.
960         (deletable_insn_p): Return false for non-call insns that can throw
961         if DF is running.
962
963 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
964
965         * gcse.c (ae_gen): Remove.
966         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
967         and make non-static function to make it available in store-motion.c.
968         Update call sites with search-and-replace.
969         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
970         extract_mentioned_regs, extract_mentioned_regs_helper,
971         find_moveable_store, compute_store_table, load_kills_store, find_loads,
972         store_killed_in_insn, store_killed_after, store_killed_before,
973         build_store_vectors, insert_insn_start_basic_block, insert-store,
974         remove_reachable_equiv_notes, replace_store_insn, delete_store,
975         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
976         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
977         * store-motion.c: ...new file.  Also copy data structures from gcse.c
978         and clean up to remove parts not used by store motion.
979         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
980         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
981
982 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
983
984         PR target/38571
985         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
986         when optimizing for size.
987
988 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
989
990         * gcse.c (gcse_constant_p): Fix typo in last change.
991
992 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
993
994         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
995
996 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
997
998         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
999
1000 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
1001
1002         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
1003         CONST_HIGH_PART result.
1004
1005 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
1006
1007         * config/avr/avr.c (initial_elimination_offset): Rename to
1008         avr_initial_elimination_offset.
1009         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
1010         change return type to bool.
1011         (avr_can_eliminate): New function.
1012         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
1013         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
1014         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
1015         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
1016         avr_initial_elimination_offset.
1017         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
1018         (avr_initial_elimination_offset): Define.
1019
1020 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
1021             Steven Bosscher  <steven@gcc.gnu.org>
1022
1023         PR rtl-optimization/39938
1024         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
1025         * cfgrtl.c: Include insn-attr.h.
1026         (rest_of_pass_free_cfg): New function.
1027         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
1028         * resource.c (init_resource_info): Remove call to df_analyze.
1029
1030 2009-04-29  Richard Guenther  <rguenther@suse.de>
1031
1032         PR target/39943
1033         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
1034         allow conversion to signed integers.
1035
1036 2009-04-29  Richard Guenther  <rguenther@suse.de>
1037
1038         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
1039         shifts of floating point vectors if the shift amount is
1040         a constant multiple of the element size.
1041
1042 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1043             Michael Matz  <matz@suse.de>
1044
1045         PR middle-end/39927
1046         PR bootstrap/39929
1047         * tree-outof-ssa.c (emit_partition_copy): New function.
1048         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
1049         insert_part_to_rtx_on_edge): Perform the partition base var
1050         copy using emit_partition_copy.
1051         (insert_value_copy_on_edge): Convert constants to the right mode.
1052         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
1053         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
1054
1055 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1056
1057         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
1058         scan backwards to try to find a constant to initialize it.
1059
1060         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
1061         insn before the loop_end instruction, don't look past labels.
1062
1063 2009-04-29  Richard Guenther  <rguenther@suse.de>
1064
1065         PR middle-end/39937
1066         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
1067         loose type conversions.
1068         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
1069         stmts only if there are no uses of its definition.
1070
1071 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1072
1073         * config/bfin/bfin.h (splitting_loops): Declare.
1074         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
1075         Reorder bit definitions to be ascending.
1076         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
1077         * config/bfin/bfin.c (splitting_loops): New variable.
1078         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
1079         (struct loop_info): Remove members INIT and LOOP_INIT.
1080         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
1081         the LSETUP sequence.  Allow LC to be loaded from any register, but
1082         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
1083         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
1084         set to 1.
1085         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
1086         of reload_completed.
1087
1088         From Jie Zhang:
1089         * config/bfin/bfin.md (movsi_insn): Refine constraints.
1090
1091 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
1092
1093         * Makefile.in (PLUGIN_VERSION_H): New.
1094         (OBJS-common): Remove plugin-version.o.
1095         (plugin.o): Depend on (PLUGIN_VERSION_H).
1096         (plugin-version.o): Remove.
1097         * configure: Regenerate
1098         * configure.ac: Create plugin-version.h.
1099         * gcc-plugin.h (plugin_gcc_version): Remove.
1100         (plugin_default_version_check): Change signature.
1101         * plugin-version.c: Remove.
1102         * plugin.c: Include plugin-version.h.
1103         (str_plugin_gcc_version_name): Remove.
1104         (try_init_one_plugin): Pass gcc version to plugin_init.
1105         (plugin_default_version_check): Both gcc and plugin versions are now
1106         arguments.
1107
1108 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1109         
1110         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
1111         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
1112         Remove special case testing for last insn of inner loops. Don't fail
1113         if the loop ends with a jump, emit an extra nop instead.
1114
1115         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
1116         DREGS rather than comparing directly.  Remove code that tries to
1117         account for latencies.
1118
1119 2009-04-29  Richard Guenther  <rguenther@suse.de>
1120
1121         PR tree-optimization/39941
1122         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
1123         eliminating an indirect call.
1124
1125 2009-04-29  Richard Guenther  <rguenther@suse.de>
1126
1127         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
1128         parameter.  Allow invariants as base if !require_lvalue.
1129         (verify_gimple_assign_single): Adjust.
1130
1131 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1132
1133         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
1134         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
1135         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
1136         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
1137         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
1138         a VEC_SELECT.
1139         * config/bfin/bfin.c (bfin_expand_builtin,
1140         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
1141
1142 2009-04-28  Richard Guenther  <rguenther@suse.de>
1143
1144         * tree-vect-loop.c (get_initial_def_for_induction): Use
1145         correct types for pointer increment.
1146
1147 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1148
1149         * toplev.c (print_version): Update GMP version string calculation.
1150
1151 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1152
1153         PR rtl-optimization/39938
1154         * resource.c (init_resource_info): Add call to df_analyze.
1155
1156 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
1157
1158         * config/alpha/alpha.md (usegp): Cast the result of
1159         alpha_find_lo_sum_using_gp to enum attr_usegp.
1160         * config/alpha/alpha.c (override_options): Remove end-of-structure
1161         marker element from cpu_table.  Use array size of cpu_table to handle
1162         -mcpu and -mtune options.
1163         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
1164
1165 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
1166
1167         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
1168         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
1169         tune_32 and tune_64.
1170         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
1171         support on PowerPC.
1172         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
1173         * config/rs6000/option-defaults.h: ... here.  New file.
1174         (OPT_64, OPT_32): Define.
1175         (MASK_64BIT): Define to 0 if not already defined.
1176         (OPT_ARCH64, OPT_ARCH32): Define.
1177         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
1178         and tune_64.
1179
1180 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1181
1182         * config/arm/arm.c (arm_override_options): Emit error on using
1183         fpa with AAPCS.
1184
1185 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
1186
1187         PR rtl-optimization/39914
1188         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
1189         registers for allocnos created from user-defined variables only
1190         when not optimizing.
1191
1192 2009-04-28  Richard Guenther  <rguenther@suse.de>
1193
1194         PR middle-end/39937
1195         * fold-const.c (fold_binary): Use distribute_real_division only
1196         on float types.
1197
1198 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
1199
1200         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
1201         add hpux-stdint.h to tm_file.
1202         (hppa[12]*-*-hpux11*): Ditto.
1203         (ia64*-*-hpux*): Ditto.
1204         * config/hpux-stdint.h: New.
1205         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
1206         __STDC_EXT__ for all compiles.
1207         * config/pa/pa-hpux.h: Ditto.
1208         * config/pa/pa-hpux10.h: Ditto.
1209         * config/pa/pa-hpux11.h: Ditto.
1210
1211 2009-04-28  Catherine Moore  <clm@codesourcery.com>
1212
1213         * debug.h (set_name): Add comment.
1214
1215 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
1216
1217         PR target/39929
1218         * config/darwin.c (machopic_gen_offset): Check
1219         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
1220         * config/arm/arm.c (require_pic_register): Likewise.
1221
1222 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
1223
1224         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
1225         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
1226         m32c_promote_prototypes): Delete.
1227
1228 2009-04-28  Michael Matz  <matz@suse.de>
1229
1230         PR middle-end/39922
1231         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
1232         constants.
1233
1234 2009-04-28  Richard Guenther  <rguenther@suse.de>
1235
1236         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
1237
1238 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1239
1240         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
1241         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
1242         * config/arm/arm-tune.md: Regenerate.
1243
1244 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
1245
1246         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
1247         block if there are complex incoming edges.
1248         (sel_merge_blocks): Remove useless assert.
1249         (sel_redirect_edge_and_branch): Check that edge was redirected.
1250         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
1251         (sel_find_rgns): Delete declaration.
1252         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
1253         the region when it is not a preheader.
1254
1255 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
1256
1257         PR c/39323
1258         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
1259
1260 2009-04-28  Richard Guenther  <rguenther@suse.de>
1261
1262         * tree.h (SSA_NAME_VALUE): Remove.
1263         (struct tree_ssa_name): Remove value_handle member.
1264         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
1265         array for jump threading.
1266         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
1267         SSA_NAME_VALUEs.
1268         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
1269         * tree-flow.h (threadedge_initialize_values): Declare.
1270         (threadedge_finalize_values): Likewise.
1271         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
1272         (SSA_NAME_VALUE): Define.
1273         (threadedge_initialize_values): New function.
1274         (threadedge_finalize_values): Likewise.
1275         * tree-ssa-dom.c (ssa_name_values): New global variable.
1276         (SSA_NAME_VALUE): Define.
1277         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
1278
1279 2009-04-28  Ira Rosen  <irar@il.ibm.com>
1280
1281         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
1282         Use REPORT_VECTORIZED_LOCATIONS instead 
1283         REPORT_VECTORIZED_LOOPS.
1284         * tree-vectorizer.c (vect_verbosity_level): Make static.
1285         (vect_loop_location): Rename to vect_location.
1286         (vect_set_verbosity_level): Update comment.
1287         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
1288         and vect_location.
1289         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
1290         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
1291         instead REPORT_UNVECTORIZED_LOOPS.
1292         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def and
1293         vect_loop_def to vect_external_def and vect_internal_def.
1294         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
1295         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
1296         REPORT_UNVECTORIZED_LOCATIONS.
1297         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
1298         and vect_used_in_loop and to vect_unused_in_scope and 
1299         vect_used_in_scope.
1300         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
1301         (vect_verbosity_level): Remove declaration.
1302         (vect_analyze_operations): Likewise.
1303         (vect_analyze_stmt): Declare.
1304         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
1305         REPORT_UNVECTORIZED_LOCATIONS.
1306         (vect_get_loop_niters): Fix indentation.
1307         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
1308         (vect_analyze_loop_operations): New function.
1309         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
1310         vect_analyze_operations.
1311         (vect_is_simple_reduction): Use new names.
1312         (vectorizable_live_operation, vect_transform_loop): Likewise.
1313         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value to
1314         specify whether the data references can be a part of interleaving chain.
1315         (vect_analyze_data_ref_dependence): Use new names.
1316         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
1317         (vect_create_addr_base_for_vector_ref): Remove redundant code.
1318         * tree-vect-patterns.c (widened_name_p): Use new names.
1319         (vect_recog_dot_prod_pattern): Likewise.
1320         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
1321         (process_use, vect_mark_stmts_to_be_vectorized, 
1322         vect_model_simple_cost, vect_model_store_cost,
1323         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
1324         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1325         vectorizable_operation, vectorizable_type_demotion,
1326         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
1327         vectorizable_condition): Likewise.
1328         (vect_analyze_operations): Split into vect_analyze_loop_operations
1329         and ...
1330         (vect_analyze_stmt): ... new function.
1331         (new_stmt_vec_info): Use new names.
1332         (vect_is_simple_use): Use new names and fix comment.
1333         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
1334         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
1335
1336 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
1337
1338         PR target/39911
1339         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
1340         and integer modes for x87 operands.  Do not ICE for unsupported size,
1341         generate error instead.  Generate error for unsupported operand types.
1342         ['z']: Do not handle HImode memory operands specially.  Warning
1343         for floating-point operands.  Fallthru to 'Z' for unsupported operand
1344         types.  Do not ICE for unsupported size, generate error instead.
1345         (output_387_binary_op): Use %Z to output operands.
1346         (output_fp_compare): Ditto.
1347         (output_387_reg_move): Ditto.
1348
1349 2009-04-28  Ben Elliston  <bje@au.ibm.com>
1350
1351         PR c++/35652
1352         Revert:
1353
1354         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1355
1356         * builtins.c (c_strlen): Do not warn here.
1357         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
1358         * c-common.c (pointer_int_sum): Take an explicit location.
1359         Warn about offsets out of bounds.
1360         * c-common.h (pointer_int_sum): Adjust declaration.
1361
1362 2009-04-27  Ian Lance Taylor  <iant@google.com>
1363
1364         * collect2.c (is_ctor_dtor): Change type of ret field in struct
1365         names to symkind.
1366         * dce.c (run_fast_df_dce): Change type of old_flags to int.
1367         * df-core.c (df_set_flags): Change return type to int.  Change
1368         type of old_flags to int.
1369         (df_clear_flags): Likewise.
1370         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
1371         (df_get_conditional_uses): Likewise.
1372         * df.h (df_set_flags, df_clear_flags): Update declarations.
1373         * dwarf2out.c (struct indirect_string_node): Change type of form
1374         field to enum dwarf_form.
1375         (AT_string_form): Change return type to enum dwarf_form.
1376         * fixed-value.c (fixed_compare): Add cast to enum type.
1377         * fwprop.c (update_df): Change 0 to VOIDmode.
1378         * gensupport.c: Change 0 to UNKNOWN.
1379         * gimple.h (gimple_cond_code): Add cast to enum type.
1380         * haifa-sched.c (reemit_notes): Add cast to enum type.
1381         * hooks.c (hook_int_void_no_regs): Remove function.
1382         * hooks.h (hook_int_void_no_regs): Remove declaration.
1383         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
1384         * predict.c (combine_predictions_for_insn): Add casts to enum type.
1385         * real.c (real_arithmetic): Add cast to enum type.
1386         (real_compare): Likewise.
1387         * target.h (struct gcc_target): Change return type of
1388         branch_target_register_class to enum reg_class.
1389         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
1390         default_branch_target_register_class.
1391         * targhooks.c (default_branch_target_register_class): New function.
1392         * targhooks.h (default_branch_target_register_class): Declare.
1393         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
1394         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
1395         cast to int.
1396         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
1397         ERROR_MARK.
1398         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
1399         vect_uninitialized_def.  Change 0 to ERROR_MARK.
1400         * tree-vect-stmts.c (supportable_widening_operation): Don't
1401         initialize icode1 and icode2.
1402         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
1403         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
1404         and to STD_C89.
1405         (cmn_err_flag_specs): Change 0 to STD_C89.
1406         (cmn_err_char_table): Likewise.
1407         * config/arm/arm.c (get_arm_condition_code): Change type of code
1408         to enum arm_cond_code.
1409         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
1410         (IWMMXT_BUILTIN2): Likewise.
1411         (neon_builtin_type_bits): Don't define typedef.
1412         (neon_builtin_datum): Change type of bits field to int.
1413         (arm_expand_neon_args): Add cast to enum type.
1414         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
1415         TLS_MODEL_NONE.
1416         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
1417         casts to enum type.
1418         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
1419         MIPS_FP_COND_f.
1420         * config/mips/mips.md (jal_macro): Return enum constant.
1421         (single_insn): Likewise.
1422         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
1423         CODE_FOR_nothing.
1424         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1425         casts to enum type.
1426         * config/s390/s390.c (s390_tune_flags): Change type to int.
1427         (s390_arch_flags): Likewise.
1428         (s390_handle_arch_option): Change flags field of struct pta to int.
1429         * config/s390/s390.h (s390_tune_flags): Update declaration.
1430         (s390_arch_flags): Likewise.
1431         * config/sh/sh.c (prepare_move_operands): Compare
1432         tls_symbolic_operand result with enum constant.
1433         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
1434         (sh_expand_prologue): Add cast to enum type.
1435         (sh_expand_epilogue): Likewise.
1436         (tls_symbolic_operand): Change return type to enum tls_model.
1437         (fpscr_set_from_mem): Add cast to enum type.
1438         (legitimize_pic_address): Compare tls_symbolic_operand result with
1439         enum constant.
1440         (sh_target_reg_class): Change return type to enum reg_class.
1441         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
1442         PROCESSOR_xxx.
1443         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
1444         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
1445         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
1446         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
1447         (delayed_branch, tls_call_delay): Likewise.
1448         (eligible_for_sibcall_delay): Likewise.
1449         (eligible_for_return_delay): Likewise. 
1450         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
1451         (spu_expand_builtin_1): Likewise.
1452
1453         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
1454         for all types of conversions.
1455         (output_init_element): Issue -Wc++-compat warning if needed when
1456         initializing a bitfield with enum type.
1457         * c-parser.c (c_parser_expression): Set original_type to
1458         original_type of right hand operand of comman operator.
1459
1460 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1461
1462         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
1463         grammar nits.
1464         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
1465         * doc/cpp.texi (Standard Predefined Macros)
1466         (Implementation-defined behavior): Likewise.
1467         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
1468         * doc/gimple.texi (GIMPLE Exception Handling)
1469         (@code{GIMPLE_ASSIGN}): Likewise.
1470         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
1471         * doc/invoke.texi (Warning Options, Optimize Options)
1472         (AVR Options, Darwin Options): Likewise.
1473         (Optimize Options): Reformulate -fwhole-program description.
1474         * doc/loop.texi (Lambda): Likewise.
1475         * doc/md.texi (Output Template, Define Constraints)
1476         (Standard Names, Insn Splitting): Likewise.
1477         * doc/options.texi (Option properties): Likewise.
1478         * doc/passes.texi (Tree-SSA passes): Likewise.
1479         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
1480         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
1481         (File Names and DBX): Likewise.
1482         * doc/trouble.texi (Incompatibilities): Likewise.
1483
1484 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1485
1486         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
1487         instruction is correct.
1488
1489 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1490
1491         Allow non-constant arguments to conversion intrinsics.
1492         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
1493         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
1494         * spu.c (print_operand): Handle 'v' and 'w'.
1495         (exp2_immediate_p, spu_gen_exp2): Define.
1496         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
1497         spu_convtf_1): Update parameter descriptions.
1498         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
1499         * constraints.md ('v', 'w'): New.
1500         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
1501         Remove.
1502         (i2f, I2F): New define_mode_attr.
1503         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
1504         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
1505         fixuns_truncv4sfv4si2):  Update to use mode attribute.
1506         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
1507         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
1508         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
1509         patterns for combine.
1510
1511 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
1512
1513         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
1514         (cprop, hoist, pre, store_motion): New debug counters.
1515         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
1516         is not an RTL pass anymore.
1517         (pass_profiling): Remove extern decl for pass removed in 2005.
1518         (pass_gcse, pass_jump_bypass): Remove.
1519         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
1520         to 0 for clean state.
1521         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
1522         * cse.c (gate_handle_cse_after_global_opts,
1523         rest_of_handle_cse_after_global_opts): New functions.
1524         (pass_cse_after_global_opts): New pass, does local CSE.
1525         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
1526         (TV_CPROP): New timevar.
1527         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
1528         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
1529         (gcse_main, recompute_all_luids): Remove.
1530         (compute_hash_table_work): Call max_reg_num instead of reading
1531         max_gcse_regno.
1532         (cprop_jump): Don't set run_jump_opt_after_gcse.
1533         (constprop_register): Always allow to alter jumps.
1534         (cprop_insn): Likewise.
1535         (do_local_cprop): Likewise.
1536         (local_cprop_pass): Likewise.  Return non-zero if something changed.
1537         (cprop): Remove function, fold interesting bits into one_cprop_pass.
1538         (find_implicit_sets): Add note about missed optimization opportunity.
1539         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
1540         pass_rtl_cprop execute function.
1541         Don't bother tracking the pass number, each pass gets its own dumpfile
1542         now anyway.
1543         Always allow to alter jumpsand bypass jumps.
1544         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
1545         will just find no suitable set.
1546         (pre_edge_insert): Fix dumping, this function is for PRE only.
1547         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
1548         pass_rtl_pre execute function.
1549         (hoist_code): Return non-zero if something changed.  Keep track of
1550         substitutions and insertions for statistics gathering similar to PRE.
1551         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
1552         called from the pass_rtl_hoist execute function.  Show pass statistics.
1553         (compute_store_table): Use max_reg_num directly instead of using the
1554         formerly global max_gcse_regno.
1555         (build_store_vectors): Likewise.
1556         (replace_store_insn): Fix dumping.
1557         (store_motion): Rename to ...
1558         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
1559         pass, called from the pass_rtl_store_motion execute function.  Keep
1560         track of substitutions and insertions for statistics gathering similar
1561         to PRE.
1562         (bypass_jumps): Remove, fold interesting bits into ...
1563         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
1564         from the pass_rtl_cprop execute function.
1565         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
1566         pass_jump_bypass): Remove.
1567         (gate_handle_gcse, rest_of_handle_gcse): Remove.
1568         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
1569         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
1570         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
1571         (gate_rtl_store_motion, execute_rtl_store_motion,
1572         pass_rtl_store_motion): New.
1573         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
1574         make it clear that -fcse-skip-blocks is a no-op for backward compat.
1575         * passes.c (init_optimization_passes): Remove pass_gcse and
1576         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
1577         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
1578         instead of pass_jump_bypass.
1579
1580 2009-04-27  Richard Guenther  <rguenther@suse.de>
1581
1582         PR middle-end/39928
1583         * gimplify.c (gimplify_expr): If we are required to create
1584         a temporary make sure it ends up as register.
1585
1586 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1587
1588         PR target/39903
1589         * config/i386/i386.c (construct_container): Don't call
1590         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
1591         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
1592
1593 2009-04-27  Michael Matz  <matz@suse.de>
1594
1595         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
1596         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
1597         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
1598         (dump_replaceable_exprs): Take a bitmap.
1599         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
1600         array.
1601         (expand_gimple_basic_block): Likewise.
1602         * tree-ssa-ter.c (struct temp_expr_table_d): Make
1603         replaceable_expressions member a bitmap.
1604         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
1605         (mark_replaceable): Likewise.
1606         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
1607         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
1608
1609 2009-04-27  Richard Guenther  <rguenther@suse.de>
1610
1611         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
1612         (verify_stmts): Dispatch to gimple/type verification code.
1613         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
1614         issue with call argument types.
1615
1616 2009-04-27  Michael Matz  <matz@suse.de>
1617
1618         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
1619         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
1620         to above.
1621
1622 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
1623             Eric Botcazou  <ebotcazou@adacore.com>
1624
1625         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
1626         a label's basic block.
1627         (mark_target_live_regs): Tidy and rework obsolete comments.
1628         Change back DF problem to LIVE.  If a label starts a basic block,
1629         assume that all registers that used to be live then still are.
1630         (init_resource_info): If a label starts a basic block, set its
1631         BLOCK_FOR_INSN accordingly.
1632         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
1633
1634 2009-04-27  Richard Guenther  <rguenther@suse.de>
1635
1636         * tree-flow-inline.h (function_ann): Remove.
1637         (get_function_ann): Likewise.
1638         * tree-dfa.c (create_function_ann): Remove.
1639         * tree-flow.h (struct static_var_ann_d): Remove.
1640         (struct function_ann_d): Likewise.
1641         (union tree_ann_d): Remove fdecl member.
1642         (function_ann_t): Remove.
1643         (function_ann, get_function_ann, create_function_ann): Remove
1644         declarations.
1645
1646 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
1647
1648         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
1649
1650 2009-04-27  Jan Hubicka  <jh@suse.cz>
1651
1652         * ipa-pure-const.c (struct funct_state_d): New fields
1653         state_previously_known, looping_previously_known; remove
1654         state_set_in_source.
1655         (analyze_function): Use new fields.
1656         (propagate): Avoid assumption that state_set_in_source imply
1657         nonlooping.
1658
1659         * tree-ssa-loop-niter.c (finite_loop_p): New function.
1660         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
1661         * cfgloop.h (finite_loop_p): Declare.
1662
1663 2009-04-26  Michael Matz  <matz@suse.de>
1664
1665         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
1666
1667 2009-04-26  Michael Matz  <matz@suse.de>
1668
1669         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
1670         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
1671         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
1672         pass_mark_used_blocks): Remove.
1673         * tree-optimize.c (pass_free_datastructures,
1674         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
1675         * passes.c (init_optimization_passes): Don't call
1676         pass_mark_used_blocks, remove dead code.
1677
1678 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
1679
1680         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
1681         * tree-ssa-live.h (register_ssa_partition): Likewise.
1682
1683 2009-04-26  Michael Matz  <matz@suse.de>
1684
1685         Expand from SSA.
1686         * builtins.c (fold_builtin_next_arg): Handle SSA names.
1687         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
1688         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
1689         SSA names. 
1690         (compare_pairs): Swap cost comparison.
1691         (coalesce_ssa_name): Don't use change_partition_var.
1692         * tree-nrv.c (struct nrv_data): Add modified member.
1693         (finalize_nrv_r): Set it.
1694         (tree_nrv): Use it to update statements.
1695         (pass_nrv): Require PROP_ssa.
1696         * tree-mudflap.c (mf_decl_cache_locals,
1697         mf_build_check_statement_for): Use make_rename_temp.
1698         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
1699         * alias.c (find_base_decl): Handle SSA names.
1700         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
1701         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
1702         * rtl.h (set_reg_attrs_for_parm): Declare.
1703         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
1704         to "optimized", remove unused locals at finish.
1705         (execute_free_datastructures): Make global, call
1706         delete_tree_cfg_annotations.
1707         (execute_free_cfg_annotations): Don't call
1708         delete_tree_cfg_annotations.
1709
1710         * ssaexpand.h: New file.
1711         * expr.c (toplevel): Include ssaexpand.h.
1712         (expand_assignment): Handle SSA names the same as register variables.
1713         (expand_expr_real_1): Expand SSA names.
1714         * cfgexpand.c (toplevel): Include ssaexpand.h.
1715         (SA): New global variable.
1716         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
1717         (SSAVAR): New macro.
1718         (set_rtl): New helper function.
1719         (add_stack_var): Deal with SSA names, use set_rtl.
1720         (expand_one_stack_var_at): Likewise.
1721         (expand_one_stack_var): Deal with SSA names.
1722         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
1723         before unique numbers.
1724         (expand_stack_vars): Use set_rtl.
1725         (expand_one_var): Accept SSA names, add asserts for them, feed them
1726         to above subroutines.
1727         (expand_used_vars): Expand all partitions (without default defs),
1728         then only the local decls (ignoring those expanded already).
1729         (expand_gimple_cond): Remove edges when jumpif() expands an
1730         unconditional jump.
1731         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
1732         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
1733         SSA name.
1734         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
1735         members of SA; deal with PARM_DECL partitions here; expand
1736         all PHI nodes, free tree datastructures and SA.  Commit instructions
1737         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
1738         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
1739         info and statements at start, collect garbage at finish.
1740         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
1741         (VAR_ANN_PARTITION) Remove.
1742         (change_partition_var): Don't declare.
1743         (partition_to_var): Always return SSA names.
1744         (var_to_partition): Only accept SSA names.
1745         (register_ssa_partition): Only check argument.
1746         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
1747         member.
1748         (delete_var_map): Don't free it.
1749         (var_union): Only accept SSA names, simplify.
1750         (partition_view_init): Mark only useful SSA names as used.
1751         (partition_view_fini): Only deal with SSA names.
1752         (change_partition_var): Remove.
1753         (dump_var_map): Use ssa_name instead of partition_to_var member.
1754         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
1755         basic blocks.
1756         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
1757         (struct _elim_graph): New member const_dests; nodes member vector of
1758         ints.
1759         (set_location_for_edge): New static helper.
1760         (create_temp): Remove.
1761         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
1762         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
1763         (new_elim_graph): Allocate const_dests member.
1764         (clean_elim_graph): Truncate const_dests member.
1765         (delete_elim_graph): Free const_dests member.
1766         (elim_graph_size): Adapt to new type of nodes member.
1767         (elim_graph_add_node): Likewise.
1768         (eliminate_name): Likewise.
1769         (eliminate_build): Don't take basic block argument, deal only with
1770         partition numbers, not variables.
1771         (get_temp_reg): New static helper.
1772         (elim_create): Use it, deal with RTL temporaries instead of trees.
1773         (eliminate_phi): Adjust all calls to new signature.
1774         (assign_vars, replace_use_variable, replace_def_variable): Remove.
1775         (rewrite_trees): Only do checking.
1776         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
1777         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
1778         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
1779         contains_tree_r, MAX_STMTS_IN_LATCH,
1780         process_single_block_loop_latch, analyze_edges_for_bb,
1781         perform_edge_inserts): Remove.
1782         (expand_phi_nodes): New global function.
1783         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
1784         functions, initialize new parameter, remember partitions having a
1785         default def.
1786         (finish_out_of_ssa): New global function.
1787         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
1788         don't reset in_ssa_p here, don't disable TER when mudflap.
1789         (pass_del_ssa): Remove.
1790         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
1791         partition members.
1792         (execute_free_datastructures): Declare.
1793         * Makefile.in (SSAEXPAND_H): New variable.
1794         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
1795         * basic-block.h (commit_one_edge_insertion): Declare.
1796         * passes.c (init_optimization_passes): Move pass_nrv and
1797         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
1798         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
1799         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
1800         (redirect_branch_edge): Deal with super block when expanding, split
1801         out jump patching itself into ...
1802         (patch_jump_insn): ... here, new static helper.
1803
1804 2009-04-26  Michael Matz  <matz@suse.de>
1805
1806         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
1807         beyond num_ssa_names.
1808         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
1809         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
1810
1811 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
1812
1813         PR inline-asm/39543
1814         * fwprop.c (forward_propagate_asm): New function.
1815         (forward_propagate_and_simplify): Propagate also into __asm, if it
1816         doesn't increase the number of referenced registers.
1817
1818         PR c/39889
1819         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
1820
1821 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
1822
1823         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
1824         note_nonlocal_vla_type for nonlocal VLAs.
1825         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
1826         contains_remapped_vars, remap_vla_decls): New functions.
1827         (convert_nonlocal_reference_stmt): If not optimizing, call
1828         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
1829         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
1830         if it wasn't found in var_map.
1831         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
1832         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
1833         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
1834         declare_vars.
1835         * gimplify.c (nonlocal_vlas): New variable.
1836         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
1837         referenced VLAs.
1838         (gimplify_body): Create and destroy nonlocal_vlas.
1839
1840         * dwarf2out.c (loc_descr_plus_const): New function.
1841         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
1842         mem_loc_descriptor, loc_descriptor_from_tree_1,
1843         descr_info_loc, gen_variable_die): Use it.
1844
1845         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
1846         !TREE_STATIC VAR_DECLs.
1847         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
1848         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
1849         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
1850         DECL_BY_REFERENCE is valid.
1851         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
1852         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
1853         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
1854         Copy DECL_BY_REFERENCE.
1855         (struct nesting_copy_body_data): New type.
1856         (nesting_copy_decl): New function.
1857         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
1858         if they have variable length.
1859
1860 2009-04-26  Michael Matz  <matz@suse.de>
1861
1862         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
1863         mark new temporaries for renaming.
1864
1865 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
1866
1867         PR c/39581
1868         * c-decl.c (global_bindings_p): Return negative value.
1869         (c_variable_size): New.  Based on variable_size from
1870         stor-layout.c.
1871         (grokdeclarator): Call c_variable_size not variable_size.
1872
1873 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
1874
1875         * config/i386/i386.c (print_operand) ['z']: Fix typo.
1876
1877 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
1878
1879         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
1880         Redefine it to just use mingw/include.
1881         (ASM_SPEC): Rules for -m32 and -m64.
1882         (LINK_SPEC): Use Likewise.
1883         (SPEC_32): New define.
1884         (SPEC_64): Likewise.
1885         (SUB_LINK_SPEC): Likewise.
1886         (MULTILIB_DEFAULTS): New define.
1887         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
1888         Add multilib options.
1889         (MULTILIB_DIRNAMES): Likewise.
1890         (MULTILIB_OSDIRNAMES): Likewise.
1891         (LIBGCC): Likewise.
1892         (INSTALL_LIBGCC): Likewise.
1893
1894 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
1895
1896         PR c/39556
1897         * c-tree.h (enum c_inline_static_type): New.
1898         (record_inline_static): Declare.
1899         * c-decl.c (struct c_inline_static, c_inline_statics,
1900         record_inline_static, check_inline_statics): New.
1901         (pop_file_scope): Call check_inline_statics.
1902         (start_decl): Call record_inline_static instead of pedwarning
1903         directly for static in inline function.
1904         * c-typeck.c (build_external_ref): Call record_inline_static
1905         instead of pedwarning directly for static referenced in inline
1906         function.
1907
1908 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
1909
1910         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
1911         not new but only being rescanned.
1912         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
1913         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
1914         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
1915         record_set_info, compute_set, grealloc): Remove.
1916         (recompute_all_luids): New function.
1917         (gcse_main): Don't compute sets, and don't do related memory
1918         allocations/free-ing.  If something changed before the end of the
1919         pass, update LUIDs using recompute_all_luids.
1920         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
1921         (free_gcse_mem): Don't free it either.
1922         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
1923         Use the df insn LUIDs.
1924         (load_killed_in_block): Likewise.
1925         (compute_hash_table_work): Don't compute reg_set_in_block.
1926         (compute_transp): Use DF_REG_DEF_CHAINs.
1927         (local_cprop_pass): Don't use compute_sets and related functions.
1928         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
1929         Use get_max_uid() instead of max_cuid.
1930         (insert_insn_end_basic_block, pre_insert_copy_insn,
1931         update_ld_motion_stores): Don't try to
1932         keep reg_set tables up to date.
1933         (pre_insert_copies): Use df insn LUIDs.
1934         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
1935         (reg_set_info): Don't use extra bitmap argument.
1936         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
1937         information to compute regs_set_in_block.
1938         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
1939         (bypass_jumps): Don't use compute_sets and friends.
1940
1941 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1942
1943         PR testsuite/39710
1944         * opts.c (undocumented_msg): Do not leave blank even with
1945         ENABLE_CHECKING.
1946
1947 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
1948
1949         * c-decl.c (build_enumerator): Allow values folding to integer
1950         constants but not integer constant expressions with a pedwarn if
1951         pedantic.
1952
1953 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
1954
1955         PR c/39582
1956         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
1957         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
1958         type is an integer constant.
1959
1960 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
1961
1962         PR target/39897
1963         * config/i386/i386.c (print_operand) ['z']: Revert handling of
1964         HImode operands.
1965
1966 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
1967
1968         PR c/39564
1969         * c-decl.c (grokdeclarator): Diagnose declarations of functions
1970         with variably modified return type and no storage class
1971         specifiers, except for the case of nested functions.  Distinguish
1972         extern declarations of functions with variably modified return
1973         types from those of objects with variably modified types.
1974
1975 2009-04-25  Jan Hubicka  <jh@suse.cz>
1976
1977         * tree.c (list_equal_p): New function.
1978         * tree.h (list_equal_p): Declare.
1979         * coretypes.h (edge_def, edge, const_edge, basic_block_def
1980         basic_block_def, basic_block, const_basic_block): New.
1981         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
1982         (redirect_eh_edge): New function.
1983         (make_eh_edge_update_phi): EH edges are not abnormal.
1984         * except.c: Include tree-flow.h.
1985         (list_match): New function.
1986         (eh_region_replaceable_by_p): New function.
1987         (replace_region): New function.
1988         (hash_type_list): New function.
1989         (hash_eh_region): New function.
1990         (eh_regions_equal_p): New function.
1991         (merge_peers): New function.
1992         (remove_unreachable_regions): Verify EH tree when checking;
1993         merge peers.
1994         (copy_eh_region_1): New function.
1995         (copy_eh_region): New function.
1996         (push_reachable_handler): New function.
1997         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
1998         regions without label but with live RESX.
1999         * except.h (redirect_eh_edge_to_label): New.
2000         * tree-flow.h (redirect_eh_edge): New.
2001         * coretypes.h (edge_def, edge, const_edge, basic_block_def
2002         basic_block_def, basic_block, const_basic_block): Remove.
2003         * Makefile.in (except.o): Add dependency on tree-flow.h
2004         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
2005         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
2006         Remove.
2007
2008 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
2009
2010         PR bootstrap/39645
2011         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
2012         on the destination of memcpy.
2013
2014 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
2015
2016         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
2017         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
2018         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
2019
2020 2009-04-25  Jan Hubicka  <jh@suse.cz>
2021
2022         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
2023         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
2024         to be reached by different label than left.
2025         (update_eh_edges): Update comment; remove edge_to_remove if possible
2026         and return true if suceeded.
2027         (cleanup_empty_eh): Accept sharing map; handle shared regions.
2028         (cleanup_eh): Compute sharing map.
2029         * except.c (remove_eh_handler_and_replace): Add argument if we should
2030         update regions.
2031         (remove_unreachable_regions): Update for label sharing.
2032         (label_to_region_map): Likewise.
2033         (get_next_region_sharing_label): New function.
2034         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
2035         prev_try pointers.
2036         (remove_eh_handler): Update.
2037         (remove_eh_region_and_replace_by_outer_of): New function.
2038         * except.h (struct eh_region): Add next_region_sharing_label.
2039         (remove_eh_region_and_replace_by_outer_of,
2040         get_next_region_sharing_label): Declare.
2041         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
2042
2043 2009-04-25  Jan Hubicka  <jh@suse.cz>
2044
2045         * tree-cfg.c (split_critical_edges): Split also edges where we can't
2046         insert code even if they are not critical.
2047
2048 2009-04-25  Jan Hubicka  <jh@suse.cz>
2049
2050         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
2051         (gimple_can_remove_branch_p): EH edges won't remove branch by
2052         redirection.
2053         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
2054         updating of non-abnormal EH edges.
2055         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
2056         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
2057         (split_critical_edges): Split also edges where emitting code on them
2058         will lead to splitting later.
2059
2060 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
2061             H.J. Lu  <hongjiu.lu@intel.com>
2062
2063         PR target/39590
2064         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
2065         the configured assembler supports fildq and fistpq mnemonics.
2066         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
2067         * configure: Regenerated.
2068         * config.in: Ditto.
2069
2070         * config/i386/i386.c (print_operand): Handle 'Z'.
2071         ['z']: Remove handling of special fild/fist suffixes.
2072         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
2073         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
2074         suffix of fild insn.
2075         (*floatsi<mode>2_vector_mixed): Ditto.
2076         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
2077         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
2078         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
2079         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
2080         * config/i386/gas.h (GAS_MNEMONICS): Remove.
2081
2082 2009-04-25  Ben Elliston  <bje@au.ibm.com>
2083  
2084         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
2085         the source of a set operation.
2086
2087 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
2088
2089         * target.h (struct gcc_target): Add case_values_threshold field.
2090         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
2091         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
2092         * targhooks.c (default_case_values_threshold): New function.
2093         * targhooks.h (default_case_values_threshold): Declare function.
2094         * stmt.c (expand_case): Use case_values_threshold target hook.
2095         * expr.h (case_values_threshold): Remove declartation.
2096         * expr.c (case_values_threshold): Remove function.
2097         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
2098
2099         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
2100         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
2101         (avr_case_values_threshold): Declare as static.
2102         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
2103
2104         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
2105         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
2106         (mn10300_case_values_threshold): New function.
2107
2108 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
2109
2110         * ira.c (setup_cover_and_important_classes): Add enum cast.
2111
2112 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
2113
2114         * genpreds.c (write_enum_constraint_num): Output definition of
2115         CONSTRAINT_NUM_DEFINED_P macro.
2116         * ira.c (setup_cover_and_important_classes): Use
2117         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
2118         
2119 2009-04-24  DJ Delorie  <dj@redhat.com>
2120
2121         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
2122         __SH2A_SINGLE_ONLY__ also.
2123
2124 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
2125
2126         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
2127         (movdf_internal): Ditto.
2128         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
2129         SFmode and DFmode constants.
2130         (ia64_print_operand): Add 'G' format for printing
2131         floating point constants.
2132
2133 2009-04-24  Richard Guenther  <rguenther@suse.de>
2134
2135         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
2136         from unsigned additions.
2137
2138 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
2139
2140         * c-typeck.c (set_init_index): Allow array designators that are
2141         not integer constant expressions with a pedwarn if pedantic.
2142
2143 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2144
2145         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
2146         zero if no overlap in nonzero bits between the operands.
2147
2148 2009-04-24  Ian Lance Taylor  <iant@google.com>
2149
2150         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
2151         (record_dead_and_set_regs): Likewise.
2152         * df.h (struct df_mw_hardreg): Change flags field to int.
2153         (struct df_base_ref): Likewise.
2154         (struct df): Change changeable_flags field to int.
2155         * df-scan.c (df_defs_record): Change clobber_flags to int.
2156         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
2157         constants rather than #define macros.
2158         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
2159         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
2160         (enum dwarf_calling_convention): Likewise.
2161         (enum dwarf_line_number_x_ops): Likewise.
2162         (enum dwarf_call_frame_info): Likewise.
2163         (enum dwarf_source_language): Likewise.
2164         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
2165         (add_calling_convention_attribute): Likewise.
2166         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
2167         (combine_comparisons): Change compcode to int.  Add cast to enum type.
2168         * genrecog.c (maybe_both_true_2): Change c to int.
2169         (write_switch): Likewise.  Add cast to enum type.
2170         * gimplify.c (gimplify_omp_for): Handle return values from
2171         gimplify_expr using MIN rather than bitwise or.
2172         (gimplify_expr): Add cast to enum type.
2173         * ipa-prop.c (update_jump_functions_after_inlining): Change
2174         IPA_BOTTOM to IPA_JF_UNKNOWN.
2175         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
2176         Add casts to enum type.
2177         (setup_cover_and_important_classes): Change cl to int.  Add casts
2178         to enum type.
2179         (setup_class_translate): Change cl and mode to int.
2180         (ira_init_once): Change mode to int.
2181         (free_register_move_costs): Likewise.
2182         (setup_prohibited_mode_move_regs): Add casts to enum type.
2183         * langhooks.c (add_builtin_function_common): Rework assertion that
2184         value fits bitfield.
2185         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
2186         * omega.c (omega_do_elimination): Avoid math on enum types.
2187         * optabs.c (expand_vec_shift_expr): Remove casts to int.
2188         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
2189         int local to handle integral_argment value.
2190         * regmove.c (try_auto_increment): Change PUT_MODE to
2191         PUT_REG_NOTE_KIND.
2192         * reload.c (push_secondary_reload): Add casts to enum type.
2193         (secondary_reload_class, find_valid_class): Likewise.
2194         * reload1.c (emit_input_reload_insns): Likewise.
2195         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
2196         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
2197         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
2198         constant.
2199         * tree.c (build_common_builtin_nodes): Add casts to enum type.
2200         * tree-complex.c (complex_lattice_t): Typedef to int rather than
2201         enum type.
2202         (expand_complex_libcall): Add casts to enum type.
2203         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
2204         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
2205         with ERROR_MARK, not NUM_TREE_CODES.
2206         (vect_create_epilog_for_reduction): Likewise.
2207         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
2208         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
2209         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
2210         enum machine_mode.
2211         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
2212         vect_unused_in_loop.  Change 0 to loop_vect.
2213         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
2214         * var-tracking.c (get_init_value): Change return type to enum
2215         var_init_status.
2216         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
2217         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
2218         arm_fp_model.
2219         (arm_override_options): Add casts to enum type.
2220         (arm_emit_tls_decoration): Likewise.
2221         * config/i386/i386.c (ix86_function_specific_restore): Add casts
2222         to enum type.
2223         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
2224         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
2225         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
2226         enum type.
2227         * config/s390/s390.c (code_for_builtin_64): Change to array of
2228         enum insn_code.
2229         (code_for_builtin_31): Likewise.
2230         (s390_expand_builtin): Change code_for_builtin to enum insn_code
2231         const *.
2232         * config/sparc/sparc.c (sparc_override_options): Change value
2233         field in struct code_model to enum cmodel.  In initializer change
2234         0 to NULL and add cast to enum type.
2235
2236         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
2237         Change all callers.  Issue a -Wc++-compat warning using
2238         lhs_origtype if necessary.
2239         (convert_for_assignment): Issue -Wc++-compat warnings about
2240         invalid conversions to enum type on assignment.
2241         * c-common.h (build_modify_expr): Update declaration.
2242
2243 2009-04-24  Nick Clifton  <nickc@redhat.com>
2244
2245         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
2246         (function_arg_advance): Likewise.
2247         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
2248         5th alternative.
2249
2250 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2251
2252         * config/s390/constraints.md ('I', 'J'): Fix condition.
2253
2254 2009-04-24  Diego Novillo  <dnovillo@google.com>
2255
2256         * gengtype-parse.c (parse_error): Add newline after message.
2257
2258 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
2259
2260         * config/i386/sse.md (avxmodesuffixs): Removed.
2261         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
2262         (*avx_pinsr<ssevecsize>): This.
2263
2264 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2265
2266         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
2267         follow chains of regs with a single definition, and allow expressions
2268         that are function_invariant_p.
2269         (simple_rhs_p): Allow expressions that are function_invariant_p.
2270
2271 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
2272
2273         PR middle-end/39867
2274         * fold-const.c (fold_cond_expr_with_comparison): When folding
2275         > and >= to MAX, make sure the MAX uses the same type as the
2276         comparison's operands.
2277
2278 2009-04-24  Nick Clifton  <nickc@redhat.com>
2279
2280         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
2281         addressing for DImode accesses.
2282         (frv_print_operand_address): Handle PLUS case.
2283         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
2284
2285 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
2286
2287         PR rtl-optimization/39794
2288         * alias.c (canon_true_dependence): Add x_addr argument.
2289         * rtl.h (canon_true_dependence): Adjust prototype.
2290         * cse.c (check_dependence): Adjust canon_true_dependence callers.
2291         * cselib.c (cselib_invalidate_mem): Likewise.
2292         * gcse.c (compute_transp): Likewise.
2293         * dse.c (scan_reads_nospill): Likewise.
2294         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
2295         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
2296         canon_base_addr of the group, plus optional offset.
2297         (struct group_info): Rename canon_base_mem to
2298         canon_base_addr.
2299         (get_group_info): Set canon_base_addr to canon_rtx of base, not
2300         canon_rtx of base_mem.
2301
2302 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
2303
2304         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
2305         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
2306
2307 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2308
2309         * config/spu/spu-builtins.h: Delete file.
2310
2311         * config/spu/spu.h (enum spu_builtin_type): Move here from
2312         spu-builtins.h.
2313         (struct spu_builtin_description): Likewise.  Add GTY marker.
2314         Do not use enum spu_function_code or enum insn_code.
2315         (spu_builtins): Add extern declaration.
2316
2317         * config/spu/spu.c: Do not include "spu-builtins.h".
2318         (enum spu_function_code, enum spu_builtin_type_index,
2319         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
2320         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
2321         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
2322         unsigned_V2DI_type_node): Move here from spu-builtins.h.
2323         (spu_builtin_types): Make static.  Add GTY marker.
2324         (spu_builtins): Add extern declaration with GTY marker.
2325         Include "gt-spu.h".
2326
2327         * config/spu/spu-c.c: Do not include "spu-builtins.h".
2328         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
2329         Check programmatically whether all parameters are scalar.
2330
2331         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
2332
2333 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2334
2335         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
2336         assignment from the constructor either if the target is volatile.
2337
2338 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
2339
2340         * config/arm/arm.md (insv): Do not share operands[0].
2341
2342 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
2343
2344         * config/vxlib-tls.c (active_tls_threads): Delete.
2345         (delete_hook_installed): New.
2346         (tls_delete_hook): Don't delete the delete hook.
2347         (tls_destructor): Delete it here.
2348         (__gthread_set_specific): Adjust installing the delete hook.
2349         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
2350         __gthread_leave_tsd_dtor_context.
2351
2352 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
2353
2354         * c-format.c (gcc_tdiag_char_table): Add support for %E.
2355
2356 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
2357
2358         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
2359         enum type.
2360         (alpha_rtx_costs): Ditto.
2361         (emit_unlikely_jump): Use add_reg_note.
2362         (emit_frame_store_1): Ditto.
2363         (alpha_expand_prologue): Ditto.
2364         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
2365         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
2366
2367 2009-04-23  Nick Clifton  <nickc@redhat.com>
2368
2369         * config/v850/v850.md (epilogue): Remove suppressed code.
2370         (return): Rename to return_simple and remove test of frame size.
2371         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
2372         to gen_return_simple.
2373
2374 2009-04-22  Jing Yu  <jingyu@google.com>
2375
2376         PR testsuite/39781
2377         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2378
2379 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2380
2381         PR C/31499
2382         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
2383         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
2384         value is a VECTOR_CST, the element type is the element type of the
2385         vector.
2386
2387 2009-04-22  DJ Delorie  <dj@redhat.com>
2388
2389         * config/m32c/m32c.h: Update GTY annotations to new syntax.
2390
2391 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
2392
2393         * alias.c (find_base_term): Move around LO_SUM case, so that
2394         CONST falls through into PLUS/MINUS handling.
2395
2396         PR c/39855
2397         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
2398         into 0, use omit_one_operand.
2399
2400 2009-04-23  Ben Elliston  <bje@au.ibm.com>
2401
2402         * config/rs6000/linux-unwind.h (get_regs): Remove type
2403         puns. Change the type of `pc' to an array of unsigned ints and
2404         update all users.  Constify frame24.
2405
2406 2009-04-22  DJ Delorie  <dj@redhat.com>
2407
2408         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
2409         declarations before code.
2410         (current_function_special_page_vector): Likewise.
2411         (m32c_expand_insv): Silence a warning.
2412
2413 2009-04-21  Taras Glek  <tglek@mozilla.com>
2414
2415         * alias.c: Update GTY annotations to new syntax.
2416         * basic-block.h: Likewise.
2417         * bitmap.h: Likewise.
2418         * c-common.h: Likewise.
2419         * c-decl.c: Likewise.
2420         * c-parser.c: Likewise.
2421         * c-pragma.c: Likewise.
2422         * c-tree.h: Likewise.
2423         * cfgloop.h: Likewise.
2424         * cgraph.h: Likewise.
2425         * config/alpha/alpha.c: Likewise.
2426         * config/arm/arm.h: Likewise.
2427         * config/avr/avr.h: Likewise.
2428         * config/bfin/bfin.c: Likewise.
2429         * config/cris/cris.c: Likewise.
2430         * config/darwin.c: Likewise.
2431         * config/frv/frv.c: Likewise.
2432         * config/i386/i386.c: Likewise.
2433         * config/i386/i386.h: Likewise.
2434         * config/i386/winnt.c: Likewise.
2435         * config/ia64/ia64.h: Likewise.
2436         * config/iq2000/iq2000.c: Likewise.
2437         * config/mips/mips.c: Likewise.
2438         * config/mmix/mmix.h: Likewise.
2439         * config/pa/pa.c: Likewise.
2440         * config/pa/pa.h: Likewise.
2441         * config/rs6000/rs6000.c: Likewise.
2442         * config/s390/s390.c: Likewise.
2443         * config/sparc/sparc.c: Likewise.
2444         * config/xtensa/xtensa.c: Likewise.
2445         * cselib.h: Likewise.
2446         * dbxout.c: Likewise.
2447         * dwarf2out.c: Likewise.
2448         * except.c: Likewise.
2449         * except.h: Likewise.
2450         * fixed-value.h: Likewise.
2451         * function.c: Likewise.
2452         * function.h: Likewise.
2453         * gimple.h: Likewise.
2454         * integrate.c: Likewise.
2455         * optabs.c: Likewise.
2456         * output.h: Likewise.
2457         * real.h: Likewise.
2458         * rtl.h: Likewise.
2459         * stringpool.c: Likewise.
2460         * tree-data-ref.c: Likewise.
2461         * tree-flow.h: Likewise.
2462         * tree-scalar-evolution.c: Likewise.
2463         * tree-ssa-address.c: Likewise.
2464         * tree-ssa-alias.h: Likewise.
2465         * tree-ssa-operands.h: Likewise.
2466         * tree.c: Likewise.
2467         * tree.h: Likewise.
2468         * varasm.c: Likewise.
2469         * varray.h: Likewise.
2470         * vec.h: Likewise.
2471         * coretypes.h: Do not define GTY macro if it is already defined.
2472         * doc/gty.texi: Update GTY documentation to new syntax.
2473         * gengtype-lex.l: Enforce attribute-like syntax for GTY
2474         annotations on structs.
2475         * gengtype-parse.c: Likewise.
2476
2477 2009-04-22  Mark Heffernan  <meheff@google.com>
2478
2479         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
2480
2481 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
2482
2483         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
2484         where appropriate.
2485
2486 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
2487
2488         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
2489         the same as a PLUS without a shift.  Increase the cost of a
2490         CONST_INT in MULT.
2491
2492 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2493
2494         * Makefile.in: Update dependencies.
2495         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
2496         * errors.h: Remove bogus comment about compatibility.
2497         (warning): Update declaration.
2498         * genautomata.c: Update all calls to warning.
2499         * gimple.c: Do not include errors.h. Include toplev.h.
2500         * tree-ssa-structalias.c: Do not include errors.h.
2501         * omega.c: Likewise.
2502         * tree-ssa-reassoc.c: Likewise.
2503         * config/spu/spu-c.c: Likewise.
2504         * config/spu/t-spu-elf: Update dependencies.
2505
2506 2009-04-22  Richard Guenther  <rguenther@suse.de>
2507
2508         PR tree-optimization/39824
2509         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
2510         make sure the types are compatible.
2511
2512 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2513
2514         PR c++/14875
2515         * c-common.c (c_parse_error): Take a token_flags parameter.
2516         Use token_type for the token type instead.
2517         Pass token_flags to cpp_type2name.
2518         * c-common.h (c_parse_error): Update declaration.
2519         * c-parser.c (c_parser_error): Pass 0 as token flags.
2520
2521 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
2522
2523         PR rtl-optimization/39580
2524         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
2525         
2526 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2527
2528         * function.c (expand_function_end): Do not emit a jump to the "naked"
2529         return label for fall-through returns.
2530         * except.c (sjlj_emit_function_exit): Always place the call to the
2531         unregister function at the location installed by expand_function_end.
2532
2533 2009-04-22  Richard Guenther  <rguenther@suse.de>
2534
2535         PR tree-optimization/39845
2536         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
2537         (gen_inbound_check): Likewise.
2538
2539 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2540
2541         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
2542         padding for PPC.
2543         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
2544         * config/vxlib.c (__gthread_once): Add race guard for PPC.
2545
2546 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
2547
2548         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
2549         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
2550         shift counts to avoid out-of-bounds array accesses.
2551
2552 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
2553
2554         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
2555         (Pmode): Move above.
2556
2557 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
2558
2559         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
2560         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
2561         GET_CODE macro.  Use IN_RANGE macro where appropriate.
2562         * config/alpha/alpha.h: Ditto.
2563         * config/alpha/alpha.md: Ditto.
2564         * config/alpha/constraints.md: Ditto.
2565         * config/alpha/predicates.md: Ditto.
2566         
2567 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
2568
2569         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
2570         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2571         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2572         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2573         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2574         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2575         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2576         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2577         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2578         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2579         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2580         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2581         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2582         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2583         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2584         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2585         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2586         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2587         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2588         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2589         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2590         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2591         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2592         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2593         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2594         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2595         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2596
2597 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2598
2599         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
2600         references from comments.
2601         * cfgbuild.c: (count_basic_blocks): Delete.
2602         (find_basic_blocks_1): Delete.
2603         (find_basic_blocks): Delete.
2604         * except.c (finish_eh_generation): Make static.  Move comment from
2605         except.h here.  Remove find_basic_blocks references from comments.
2606         * except.h (finish_eh_generation): Delete.
2607         * basic-block.h (find_basic_blocks): Delete.
2608         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
2609
2610 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
2611
2612         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
2613         (sdbout_parms):  Likewise.
2614
2615 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
2616
2617         * config/sh/sh.c (prepare_cbranch_operands): Use
2618         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
2619         (expand_cbranchdi4): Likewise.
2620         (from_compare): Add cast to enum type.
2621         (expand_cbranchsi4): Use add_reg_note.
2622         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
2623         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
2624         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
2625         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
2626         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
2627         instead of CODE_FOR_nothing.
2628         (cbranchdi4): Likewise.  Fix the order of arguments for
2629         gen_rtx_fmt_ee.
2630         (push_fpscr): Use add_reg_note.
2631         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
2632         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
2633         
2634 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
2635
2636         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
2637         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
2638         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
2639         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
2640         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
2641         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
2642         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
2643         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
2644         config/alpha/x-vms, config/arc/t-arc,
2645         config/arm/README-interworking, config/arm/arm-c.c,
2646         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
2647         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
2648         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
2649         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
2650         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
2651         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
2652         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
2653         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
2654         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
2655         config/cris/t-elfmulti, config/crx/t-crx,
2656         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
2657         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
2658         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
2659         config/h8300/t-h8300, config/i386/athlon.md,
2660         config/i386/darwin-libgcc.10.4.ver,
2661         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
2662         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
2663         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
2664         config/i386/t-linux64, config/i386/t-nwld,
2665         config/i386/t-rtems-i386, config/i386/t-sol2-10,
2666         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
2667         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
2668         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
2669         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
2670         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
2671         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
2672         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
2673         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
2674         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
2675         config/m68k/t-uclinux, config/mcore/t-mcore,
2676         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
2677         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
2678         config/mips/crtn.asm, config/mips/irix-crti.asm,
2679         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
2680         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
2681         config/mips/mips-fixed.md, config/mips/sb1.md,
2682         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
2683         config/mips/t-iris6, config/mips/t-isa3264,
2684         config/mips/t-libgcc-mips16, config/mips/t-linux64,
2685         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
2686         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
2687         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
2688         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
2689         config/mn10300/t-linux, config/mn10300/t-mn10300,
2690         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
2691         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
2692         config/picochip/libgccExtras/clzsi2.asm,
2693         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
2694         config/rs6000/darwin-libgcc.10.4.ver,
2695         config/rs6000/darwin-libgcc.10.5.ver,
2696         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
2697         config/rs6000/t-aix43, config/rs6000/t-aix52,
2698         config/rs6000/t-darwin, config/rs6000/t-fprules,
2699         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
2700         config/rs6000/t-lynx, config/rs6000/t-netbsd,
2701         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
2702         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
2703         config/rs6000/t-rtems, config/rs6000/t-spe,
2704         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
2705         config/score/t-score-elf, config/sh/divcost-analysis,
2706         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
2707         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
2708         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
2709         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
2710         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
2711         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
2712         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
2713         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
2714         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
2715         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
2716         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
2717         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
2718         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
2719         limitx.h, version.c, xcoff.h: Add copyright and license notices.
2720         * config/h8300/genmova.sh: Include copyright and license notices
2721         in generated output.
2722         * config/h8300/mova.md: Regenerate.
2723         * doc/install.texi2html: Include word "Copyright" in copyright
2724         notice and use name "Free Software Foundation, Inc.".
2725         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
2726         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
2727         ChangeLog-2007, ChangeLog-2008: Correct dates.
2728
2729 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
2730
2731         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
2732         NE_EXPR operations as well.
2733         * c-parser.c (c_parser_condition): Do not set location information on
2734         the condition.
2735         (c_parser_conditional_expression): Likewise.
2736         (c_parser_binary_expression): Set location information on operators.
2737         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
2738         TRUTH_NOT_EXPR has been folded.
2739         * fold-const.c (fold_truth_not_expr): Copy location information from
2740         the incoming expression to the outgoing one.
2741         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
2742         recursive calls on the LHS of the operator but pass that of the
2743         operator to recursive calls on the RHS of the operator.  Set it
2744         on the COND_EXPR.
2745         (shortcut_cond_expr): Set the locus of the operator on the second
2746         COND_EXPR and that of the expression on the first in degenerate cases.
2747         Pass the locus of the expression to calls to shortcut_cond_r.
2748         Set the locus of the 'then' block on the associated jump, if any.
2749         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
2750         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
2751         expression to call to gimplify_boolean_expr.
2752
2753 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
2754
2755         * config.gcc: Add additional configuration for
2756         i686-w64-mingw* and x86_64-w64-mingw* triplet.
2757         * config/i386/mingw-w64.h: New mingw-w64 specific header.
2758         (CPP_SPEC): Redefine for allowing -municode option.
2759         (STARTFILE_SPEC): Likewise.
2760         * config/i386/t-mingw-w64: New.
2761         * config/i386/mingw-w64.opt: New.
2762         (municode): Add new target option.
2763         * doc/invoke.texi (municode): Add documentation for new option.
2764
2765 2009-04-21  Ian Lance Taylor  <iant@google.com>
2766
2767         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2768         Correct test for number of arguments.
2769         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
2770
2771 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
2772
2773         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
2774         argument of emit_library_call.
2775
2776 2009-04-21  Richard Guenther  <rguenther@suse.de>
2777
2778         PR middle-end/39829
2779         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
2780         inside VIEW_CONVERT_EXPRs.
2781
2782 2009-04-21  Martin Jambor  <mjambor@suse.cz>
2783
2784         * tree-switch-conversion.c (build_constructors): Split a long line.
2785         (constructor_contains_same_values_p): New function.
2786         (build_one_array): Create assigns of constants if possible, do not
2787         call mark_sym_for_renaming, call update_stmt.
2788         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
2789         make_rename_temp.  Do not call mark_symbols_for_renaming, call
2790         update_stmt.
2791         (gen_def_assigns): Do not call mark_symbols_for_renaming or
2792         find_new_referenced_vars, call update_stmt.
2793         (gen_inbound_check): Use create_tmp_var and create ssa names manually
2794         instead of calling make_rename_temp.  Do not call
2795         find_new_referenced_vars or mark_symbols_for_renaming, call
2796         update_stmt.
2797
2798 2009-04-21  Richard Guenther  <rguenther@suse.de>
2799
2800         PR tree-optimization/39827
2801         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
2802         (tree_ssa_phiprop): Pass the correct array size.
2803
2804 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
2805
2806         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
2807
2808 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2809
2810         PR 16202
2811         * c-typeck.c (lvalue_p): Move declaration ...
2812         * c-common.h (lvalue_p): ... to here.
2813         * c-common.c (candidate_equal_p): New.
2814         (add_tlist): Use it.
2815         (merge_tlist): Use it.
2816         (warn_for_collisions_1): Likewise.
2817         (warning_candidate_p): Accept more candidates.
2818         (verify_tree): A warning candidate can be an expression. Use
2819         candidate_equal_p.
2820
2821 2009-04-21  Ben Elliston  <bje@au.ibm.com>
2822
2823         PR target/5267
2824         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
2825         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
2826         options.  Remove -mcall-solaris documentation.
2827
2828 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2829
2830         PR c++/13358
2831         * doc/invoke.texi (-Wlong-long): Update description.
2832         * c-lex (interpret_integer): Only warn if there was no previous
2833         overflow and -Wlong-long is enabled.
2834         * c-decl.c (declspecs_add_type): Drop redundant flags.
2835         * c.opt (Wlong-long): Init to -1.
2836         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
2837         and front-end warn_long_long. Wlong-long only depends on other
2838         flags if it is uninitialized.
2839         * c-parser.c (disable_extension_diagnostics): warn_long_long is
2840         the same for CPP and FE.
2841         (restore_extension_diagnostics): Likewise.
2842
2843 2009-04-20  Ian Lance Taylor  <iant@google.com>
2844
2845         Fix enum conversions which are invalid in C++:
2846         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
2847         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
2848         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
2849         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
2850         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
2851         (dbxout_parms): Likewise.
2852         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
2853         (df_clear_flags): Likewise.
2854         * df-problems.c (df_rd_bb_local_compute_process_def): Change
2855         top_flag parameter to int.
2856         (df_chain_create_bb_process_use): Likewise.
2857         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
2858         Remove cast.
2859         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
2860         (df_ref_create_structure, df_def_record_1): Likewise.
2861         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
2862         (df_notes_rescan): Change 0 to VOIDmode in function call.
2863         (df_get_call_refs, df_insn_refs_collect): Likewise.
2864         (df_bb_regs_collect): Likewise.
2865         (df_entry_block_defs_collect): Likewise.
2866         (df_exit_block_uses_collect): Likewise.
2867         * df.h: Update declarations.
2868         * double-int.c (double_int_divmod): Add cast to enum type.
2869         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
2870         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
2871         (based_loc_descr): Likewise.
2872         (loc_descriptor_from_tree_1): Change first_op and second_op to
2873         enum dwarf_location_atom.  Add cast to enum type.
2874         * expmed.c (init_expmed): Change 0 to SET in function call.
2875         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
2876         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
2877         (do_store_flag): Likewise.
2878         * fixed-value.h (struct fixed_value): Change mode to enum
2879         machine_mode.
2880         * function.c (assign_parms): Change 0 to VOIDmode in function call.
2881         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
2882         function call.
2883         (insert_insn_decl, insert_decl, insert_state): Likewise.
2884         (automata_list_finish): Likewise.
2885         * genrecog.c (process_define_predicate): Add cast to enum type.
2886         * gensupport.c (init_predicate_table): Add cast to enum type.
2887         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
2888         function call.
2889         (gimple_build_call_1, gimple_build_label): Likewise.
2890         (gimple_build_goto, gimple_build_asm_1): Likewise.
2891         (gimple_build_switch_1, gimple_build_cdt): Likewise.
2892         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
2893         (enum fallback): Rename from enum fallback_t.
2894         (fallback_t): Typedef as int.
2895         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
2896         GSI_SAME_STMT in function call.
2897         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
2898         enum type.
2899         (setup_reg_class_relations): Likewise.
2900         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
2901         (setup_prohibited_class_mode_regs): Add cast to enum type.
2902         (setup_prohibited_mode_move_regs): Likewise.
2903         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
2904         (record_address_regs): Change i to enum reg_class.
2905         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
2906         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
2907         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
2908         (GET_MODE_2XWIDER_MODE): Likewise.
2909         (GET_CLASS_NARROWEST_MODE): Likewise.
2910         * omp-low.c (expand_omp_for): Add cast to enum type.
2911         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
2912         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
2913         * postreload.c (reload_cse_simplify_operands): Change rclass local
2914         to enum reg_class.
2915         * predict.c (combine_predictions_for_insn): Change best_predictor
2916         and predictor to enum br_predictor.
2917         (combine_predictions_for_bb): Likewise.
2918         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
2919         use SET_PREDICT_EXPR_OUTCOME.
2920         * real.c (real_arithmetic): Change icode to code in function call.
2921         * reginfo.c (init_move_cost): Add casts to enum type.
2922         (init_reg_sets_1, init_fake_stack_mems): Likewise.
2923         * regmove.c (regclass_compatible_p): Change class0 and class1 to
2924         enum reg_class.
2925         * reload.c (find_valid_class): Add casts to enum type.
2926         (push_reload): Change 0 to NO_REGS in function call.
2927         (find_reloads): Change this_alternative to array of enum
2928         reg_class.  Remove some now-unnecessary casts.
2929         (make_memloc): Change 0 to VOIDmode in function call.
2930         * reload1.c (reload): Change 0 to VOIDmode in function call.
2931         (eliminate_regs_1, elimination_effects): Likewise.
2932         (eliminate_regs_in_insn): Likewise.
2933         (emit_input_reload_insns): Add cast to enum type.
2934         (delete_output_reload): Change 0 to VOIDmode in function call.
2935         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
2936         to enum type in function call.
2937         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
2938         (SET_PREDICT_EXPR_OUTCOME): Define.
2939         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
2940         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
2941         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
2942         (dump_function): Likewise.
2943         * tree-dump.h: Update declarations.
2944         * tree-pass.h: Update declarations.
2945         * varasm.c (assemble_integer): Change mclass to enum mode_class.
2946         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
2947         enum type.
2948         (arm_rtx_costs_1): Correct parenthesization.
2949         (arm_rtx_costs): Add casts to enum type.
2950         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
2951         (vfp_emit_fstmd): Use add_rg_note.
2952         (emit_multi_reg_push, emit_sfm): Likewise.
2953         (thumb_set_frame_pointer): Likewise.
2954         (arm_expand_prologue): Likewise.
2955         (arm_regno_class): Change return type to enum reg_class.
2956         (thumb1_expand_prologue): Use add_reg_note.
2957         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
2958         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
2959         in function call.
2960         * config/arm/gentune.sh: Add cast to enum type.
2961         * config/arm/arm-tune.md: Rebuild.
2962         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
2963         (ix86_split_fp_branch, predict_jump): Likewise.
2964         (ix86_expand_multi_arg_builtin): Change sub_code from enum
2965         insn_code to enum rtx_code.
2966         (ix86_builtin_vectorized_function): Add cast to enum type.
2967         * config/i386/i386.md (truncdfsf2): Change slot to enum
2968         ix86_stack_slot.
2969         (truncxf<mode>2, isinf<mode>2): Likewise.
2970         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
2971         enum type.
2972         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
2973         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
2974         (insert_bundle_state): Change 1 to INSERT in function call.
2975         (ia64_add_bundle_selector_before): Likewise.
2976         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
2977         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
2978         (restore_stack_nonlocal): Likewise.
2979         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
2980         function call.
2981         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
2982         function call.
2983         (mips_rtx_costs): Likewise.
2984         (mips_override_options): Add casts to enum type.
2985         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
2986         in function call.
2987         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
2988         (store_reg, set_reg_plus_d): Likewise.
2989         (hppa_expand_prologue, hppa_profile_hook): Likewise.
2990         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
2991         cast to enum type.
2992         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
2993         function call.
2994         (emit_unlikely_jump): Use add_reg_note.
2995         (rs6000_emit_allocate_stack): Likewise.
2996         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
2997         (output_toc): Change 1 to INSERT in function call.
2998         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
2999         (rs6000_initialize_trampoline): Likewise.
3000         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
3001         function call.
3002         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
3003         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
3004         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
3005         (save_gprs): Use add_reg_note.
3006         (s390_emit_prologue): Likewise.
3007         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3008         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
3009         (sparc_fold_builtin): Add cast to enum type.
3010         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
3011         enum insn_code.
3012         (spu_expand_prologue): Use add_reg_note.
3013         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
3014
3015 2009-04-20  Ian Lance Taylor  <iant@google.com>
3016
3017         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
3018         (c_parser_postfix_expression_after_primary): Get VEC for list of
3019         arguments.  Get original types of arguments.  Call
3020         build_function_call_vec.
3021         (cached_expr_list_1, cached_expr_list_2): New static variables.
3022         (c_parser_expr_list): Change return type to VEC *.  Add
3023         p_orig_types parameter.  Change all callers.
3024         (c_parser_release_expr): New static function.
3025         (c_parser_vec_to_tree_list): New static function.
3026         * c-typeck.c (build_function_call): Rewrite to build a VEC and
3027         call build_function_call_vec.
3028         (build_function_call_vec): New function, based on old
3029         build_function_call.
3030         (convert_arguments): Remove nargs and argarray parameters.  Change
3031         values to a VEC.  Add origtypes parameter.
3032         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
3033         (convert_for_assignment): Add origtype parameter.  Change all
3034         callers.  If warn_cxx_compat, check for conversion to an enum
3035         type when calling a function.
3036         (store_init_value): Add origtype parameter.  Change all callers.
3037         (digest_init): Likewise.
3038         (struct init_node): Add origtype field.
3039         (add_pending_init): Add origtype parameter.  Change all callers.
3040         (output_init_element): Likewise.
3041         (output_pending_init_elements): Pass origtype from init_node to
3042         output_init_element.
3043         (process_init_element): Pass origtype from c_expr to
3044         output_init_element.
3045         (c_finish_return): Add origtype parameter.  Change all callers.
3046         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
3047         caller.
3048         (sync_resolve_params): Likewise.
3049         (sync_resolve_return): Change params to first_param.  Change caller.
3050         (resolve_overloaded_builtins): Change params to VEC *.  Change
3051         callers.  Save first parameter around call to build_function_call_vec.
3052         * c-decl.c (finish_decl): Add origtype parameter.  Change all
3053         callers.  Call build_function_call_vec rather than
3054         build_function_call for cleanup.
3055         * c-tree.h: Update declarations.
3056         * c-common.h: Update declarations.
3057         * stub-objc.c (objc_rewrite_function_call): Change parameter from
3058         params to first_param.
3059         * target.h (struct gcc_target): Change resolve_overloaded_builtin
3060         params parameter from tree to void *.
3061         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3062         Change arglist parameter to have type void *, and to be a pointer
3063         to a VEC.
3064         * config/rs6000/rs6000-protos.h
3065         (altivec_resolve_overloaded_builtin): Update declaration.
3066         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
3067         fnargs parameter to have type void *, and to be a pointer to a
3068         VEC.  Call build_function_call_vec instead of
3069         build_function_call.
3070         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
3071
3072 2009-04-20  Joey Ye  <joey.ye@intel.com>
3073             Xuepeng Guo  <xuepeng.guo@intel.com>
3074             H.J. Lu  <hongjiu.lu@intel.com>
3075
3076         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
3077
3078         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
3079         (IX86_LEA_PRIORITY): Likewise.
3080         (distance_non_agu_define): New function.
3081         (distance_agu_use): Likewise.
3082         (ix86_lea_for_add_ok): Likewise.
3083         (ix86_dep_by_shift_count): Likewise.
3084
3085         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
3086         should split for LEA.
3087
3088         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
3089         function.
3090         (ix86_dep_by_shift_count): Likewise.
3091
3092 2009-04-20  Richard Guenther  <rguenther@suse.de>
3093
3094         * expr.c (handled_component_p): Move ...
3095         * tree.h (handled_component_p): ... here.
3096         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
3097         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
3098         and REALPART_EXPR to be in one group.
3099
3100 2009-04-20  Richard Guenther  <rguenther@suse.de>
3101
3102         * basic-block.h (get_all_dominated_blocks): Declare.
3103         * dominance.c (get_all_dominated_blocks): New function.
3104         * tree-cfg.c (get_all_dominated_blocks): Remove.
3105         (remove_edge_and_dominated_blocks): Adjust.
3106         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
3107         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
3108         instead of recursing.
3109
3110 2009-04-20  Doug Kwan  <dougkwan@google.com>
3111
3112         * cgraph.h (cgraph_node_ptr): New type for vector functions.
3113         (struct cgraph_node_set_def): New type.
3114         (cgraph_node_set) New type. Also declare vector functions.
3115         (struct cgraph_node_set_element_def): New type.
3116         (cgraph_node_set_element): Ditto.
3117         (cgraph_node_set_iterator): New iterator type.
3118         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
3119         cgraph_node_set_remove, dump_cgraph_node_set,
3120         debug_cgraph_node_set): New prototypes.
3121         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
3122         cgraph_node_set_size): New inlines.
3123         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
3124         including cgraph.h.
3125         (struct ipa_opt_pass): Add struct cgraph_node_set_def
3126         argument to function 'write_summary'.
3127         * ipa.c: Include ggc.h.
3128         (hash_cgraph_node_set_element,
3129         eq_cgraph_node_set_element, cgraph_node_set_new,
3130         cgraph_node_set_add, cgraph_node_set_remove,
3131         cgraph_node_set_find, dump_cgraph_node_set,
3132         debug_cgraph_node_set): New functions.
3133         * Makefile.in (ipa.o): Add dependency on GGC_H.
3134
3135 2009-04-20  Ira Rosen  <irar@il.ibm.com>
3136
3137         PR tree-optimization/39675
3138         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
3139         check of the return code of vect_schedule_slp. Check that
3140         stmt_vec_info still exists for the statement, before checking its
3141         vectorization type.
3142
3143 2009-04-20  Michael Matz  <matz@suse.de>
3144
3145         * Makefile.in (generated_files): Take out $(simple_generated_c).
3146
3147 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
3148
3149         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
3150         (UINTPTR_TYPE):  Likewise.
3151
3152 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
3153
3154         PR c/37481
3155         * c-typeck.c (digest_init): Check for initializing an array with a
3156         string literal.
3157
3158 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
3159
3160         PR c/19771
3161         * c-semantics.c (pop_stmt_list): Propagate
3162         STATEMENT_LIST_HAS_LABEL to parent statement list.
3163
3164 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
3165
3166         * config/mips/mips.h (mips_tune_attr): New macro.
3167         * config/mips/mips.md (cpu): Use it.
3168
3169 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
3170
3171         PR c/38243
3172         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
3173         declaring a tag.
3174
3175 2009-04-19  Diego Novillo  <dnovillo@google.com>
3176
3177         * toplev.c (compile_file): Move call to coverage_finish ...
3178         * cgraphunit.c (ipa_passes): ... here.
3179         Call cgraph_process_new_functions.
3180         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
3181         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
3182
3183 2009-04-19  Jan Hubicka  <jh@suse.cz>
3184
3185         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
3186         cfun.
3187         (dump_cgraph_node): Dump can throw external flag.
3188         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
3189
3190 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3191
3192         PR c/32061
3193         PR c++/36954
3194         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
3195         * common.opt (Wlogical-op): Move from here...
3196         * c.opt (Wlogical-op): ... to here.
3197         * c-typeck.c (parser_build_binary_op): Update call to
3198         warn_logical_operator.
3199         * c-opts.c (c_common_post_options): Enable warn_logical_op with
3200         extra_warnings.
3201         * c-common.c (warn_logical_op): Update.
3202         * c-common.h (warn_logical_op): Update declaration.
3203
3204 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
3205
3206         * tree.c (protected_set_expr_location): Fix formatting.
3207
3208 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
3209
3210         PR c/27676
3211         * c-typeck.c (readonly_warning): new.
3212         (build_unary_op, build_modify_expr): Use readonly_warning for
3213         storing into something readonly but not const-qualified.
3214
3215 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
3216
3217         PR c/22367
3218         * c-typeck.c (build_unary_op): Check for taking address of
3219         expression of type void.
3220
3221 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
3222
3223         PR c/35210
3224         * c-typeck.c (build_function_call): Check for calling a function
3225         with qualified void return types.  Call require_complete_type when
3226         generating a trap.
3227
3228 2009-04-18  Jan Hubicka  <jh@suse.cz>
3229
3230         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
3231         Set nothrow flag.
3232         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
3233         can_throw_external flag.
3234         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
3235         * ipa-pure-const.c (ignore_edge): New function.
3236         (propagate): Compute order for NOTHROW computation; set NOTHROWs
3237         only over can_throw_external edges.
3238         (local_pure_const): Add nothrow flag.
3239         * ipa-utils.c (searchc): Add ignore_edge callback.
3240         (ipa_utils_reduced_inorder): Add ignore_edge callback.
3241         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
3242         (set_nothrow_function_flags): Update cgraph.
3243         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
3244
3245 2009-04-18  Richard Guenther  <rguenther@suse.de>
3246
3247         PR middle-end/39804
3248         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
3249         (fold_stmt): ... this and ...
3250         (fold_stmt_inplace): ... this.
3251         (fold_stmt_1): Fold references in calls and asms.
3252         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
3253
3254 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3255
3256         * tree-vrp.c (ssa_name_nonzero_p): Remove.
3257         * tree.h: Remove the prototype for ssa_name_nonzero_p.
3258
3259 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3260
3261         * tree.c (function_args_count): Remove.
3262         * tree.h: Remove the prototype for function_args_count.
3263
3264 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3265
3266         * tree-iterator.c (expr_only): Remove.
3267         * tree.h: Remove the prototype for expr_only.
3268
3269 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3270
3271         * reginfo.c (cannot_change_mode_set_regs): Remove.
3272         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
3273
3274 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
3275
3276         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
3277         whether operands 0 and 1 overlaps.
3278
3279 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3280
3281         PR middle-end/36902
3282         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
3283         pointer. Use warning_at instead of warning.
3284         (search_for_addr_array): Likewise.
3285         (check_array_bounds): Likewise.
3286         (check_all_array_refs): Check that the incoming edge is not in the
3287         list of edges to be removed.
3288         (check_all_array_refs): Avoid the temporal pointer.
3289         (vrp_visit_cond_stmt): Fix typo.
3290         (simplify_switch_using_ranges): Handle the case where the switch
3291         index is an integer constant.
3292
3293 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
3294
3295         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
3296
3297 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3298
3299         * doc/extend.texi, doc/invoke.texi: Fix typos.
3300
3301 2009-04-17  Cary Coutant  <ccoutant@google.com>
3302
3303         * tree-flow-inline.h (get_lineno): Fix inverted test.
3304
3305 2009-04-17  Diego Novillo  <dnovillo@google.com>
3306
3307         * tree-ssa-pre.c (create_expression_by_pieces): Remove
3308         assertion for AVAIL_OUT.
3309
3310 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
3311
3312         PR target/38627
3313         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
3314         * config/sh/linux-atomic.asm: Likewise.
3315
3316 2009-04-17  Diego Novillo  <dnovillo@google.com>
3317
3318         * except.c (debug_eh_tree): New.
3319         (struct eh_region, struct eh_status): Move ...
3320         * except.h: ... here.
3321         (add_type_for_runtime): Declare extern.
3322         (lookup_type_for_runtime): Likewise.
3323         (debug_eh_tree): Declare.
3324         * Makefile.in (GTFILES): List except.h before except.c
3325
3326 2009-04-17  Diego Novillo  <dnovillo@google.com>
3327
3328         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
3329         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
3330         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
3331         (find_vars_r): ... here.
3332         * tree-flow.h (find_referenced_vars_in): Declare.
3333         * tree-ssa-pre.c (create_expression_by_pieces): Assert
3334         that AVAIL_OUT exists for BLOCK.
3335         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
3336         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
3337         (tree-parloops.o): Likewise.
3338
3339 2009-04-17  Simon Baldwin  <simonb@google.com>
3340
3341         * toplev.c (default_tree_printer): Add handling for %E format.
3342
3343 2009-04-17  Diego Novillo  <dnovillo@google.com>
3344
3345         * tree-pretty-print.c (dump_generic_node): Add break after
3346         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
3347         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
3348         FUNCTION_TYPE together.  Call print_struct_decl when printing
3349         structures and TDF_SLIM is not given.
3350         (print_struct_decl): Fix logic for detecting recursion.
3351
3352 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
3353
3354         PR 31567
3355         * gcc.c (create_at_file): New.
3356         (compile_input_file_p): New.
3357         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
3358         * main.c (main): Update call to toplev_main.
3359         * toplev.c (toplev_main): Change signature. Call expandargv.
3360         * toplev.h (toplev_main): Change signature.
3361
3362 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
3363
3364         * dwarf2out.c (field_byte_offset): Use the type size as the field size
3365         if the latter is not constant.
3366
3367 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
3368
3369         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
3370
3371 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
3372
3373         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
3374         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
3375
3376 2009-04-17  Richard Guenther  <rguenther@suse.de>
3377
3378         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3379         Handle component references view-converting an invariant address.
3380
3381 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
3382
3383         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
3384         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
3385         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
3386         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
3387         Use @deftypevr rather than @deftypevar.
3388
3389 2009-04-17  Richard Guenther  <rguenther@suse.de>
3390
3391         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
3392         (get_prop_source_stmt): Likewise.
3393         (can_propagate_from): Likewise.
3394
3395 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
3396
3397         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
3398         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
3399         (--with-multilib-list): Add default value.
3400         * configure: Regenerate.
3401         * Makefile.in (TM_ENDIAN_CONFIG): Define.
3402         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
3403         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
3404         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
3405         Don't add default cpu to multilib list unnecessarily, but do enable
3406         the relevant compiler option..
3407         Add support for --with-multilib-list=<blank> and
3408         --with-multilib-list=!<somelib> to supress unwanted multilibs.
3409         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
3410         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
3411         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
3412         TM_MULTILIB_CONFIG.
3413         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
3414         (MULTILIB_OSDIRNAMES): New variable.
3415         * config/sh/t-1e: Delete file.
3416         * config/sh/t-mlib-sh1: Delete file.
3417         * config/sh/t-mlib-sh2: Delete file.
3418         * config/sh/t-mlib-sh2a: Delete file.
3419         * config/sh/t-mlib-sh2a-nofpu: Delete file.
3420         * config/sh/t-mlib-sh2a-single: Delete file.
3421         * config/sh/t-mlib-sh2a-single-only: Delete file.
3422         * config/sh/t-mlib-sh2e: Delete file.
3423         * config/sh/t-mlib-sh3e: Delete file.
3424         * config/sh/t-mlib-sh4: Delete file.
3425         * config/sh/t-mlib-sh4-nofpu: Delete file.
3426         * config/sh/t-mlib-sh4-single: Delete file.
3427         * config/sh/t-mlib-sh4-single-only: Delete file.
3428         * config/sh/t-mlib-sh4a: Delete file.
3429         * config/sh/t-mlib-sh4a-nofpu: Delete file.
3430         * config/sh/t-mlib-sh4a-single: Delete file.
3431         * config/sh/t-mlib-sh4a-single-only: Delete file.
3432         * config/sh/t-mlib-sh4al: Delete file.
3433         * config/sh/t-mlib-sh5-32media: Delete file.
3434         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
3435         * config/sh/t-mlib-sh5-64media: Delete file.
3436         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
3437         * config/sh/t-mlib-sh5-compact: Delete file.
3438         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
3439         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
3440         * doc/install.texi (Options specification): Add
3441         --with-multilib-list and --with-endian.
3442
3443 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
3444
3445         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
3446         REVISION_c.
3447         (OBJS-common): Add plugin-version.o.
3448         (plugin-version.o): New.
3449         * gcc-plugin.h (plugin_gcc_version): New.
3450         (plugin_default_version_check): New.
3451         (plugin_init_func, plugin_init): Add version argument.
3452         * plugin-version.c: New.
3453         * plugin.c (str_plugin_gcc_version_name): New.
3454         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
3455         pass it to the init function.
3456         (plugin_default_version_check): New.
3457
3458 2009-04-17  Richard Guenther  <rguenther@suse.de>
3459
3460         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
3461         for decl-vs-decl disambiguation.
3462
3463 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3464
3465         * config/s390/s390.h (s390_tune_attr): New macro definition.
3466         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
3467
3468 2009-04-17  Richard Guenther  <rguenther@suse.de>
3469
3470         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
3471         (fold_stmt_r): Likewise.
3472         (maybe_fold_reference): New function.
3473         (fold_gimple_assign): Handle cases fold_stmt_r did.
3474         (fold_stmt): Do not use fold_stmt_r.
3475         (fold_stmt_inplace): Likewise.
3476
3477 2009-04-17  Richard Guenther  <rguenther@suse.de>
3478
3479         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
3480         (record_equivalences_from_stmt): Remove useless checks and
3481         simplifications.
3482         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
3483         the type is already suitable.
3484
3485 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
3486
3487         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
3488
3489 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
3490
3491         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
3492         (CMPtype): Define as __gcc_CMPtype.
3493
3494 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
3495
3496         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
3497         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
3498
3499 2009-04-17  Richard Guenther  <rguenther@suse.de>
3500
3501         PR tree-optimization/39746
3502         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
3503         special-casing for builtins and static variable use/def.
3504         (call_may_clobber_ref_p_1): Likewise.
3505
3506 2009-04-16  Ian Lance Taylor  <iant@google.com>
3507
3508         * df.h: Include "timevar.h".
3509         (struct df_problem): Change tv_id field to timevar_id_t.
3510         * tree-pass.h: Include "timevar.h".
3511         (struct opt_pass): Change tv_id field to timevar_id_t.
3512         * timevar.h (timevar_id_t): Define TV_NONE.
3513         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
3514         TV_NONE rather than tv_id != 0.
3515         (execute_one_pass): Likewise.
3516         * Makefile.in (DF_H): Add $(TIMEVAR_H).
3517         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
3518         dependencies to $(TREE_PASS_H).
3519         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
3520         to TV_NONE.
3521         (pass_branch_target_load_optimize2): Likewise.
3522         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
3523         (pass_outof_cfg_layout_mode): Likewise.
3524         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
3525         (pass_rebuild_cgraph_edges): Likewise.
3526         (pass_remove_cgraph_callee_edges): Likewise.
3527         * df-core.c (pass_df_initialize_opt): Likewise.
3528         (pass_df_initialize_no_opt): Likewise.
3529         (pass_df_finish): Likewise.
3530         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
3531         * except.c (pass_set_nothrow_function_flags): Likewise.
3532         (pass_convert_to_eh_region_ranges): Likewise.
3533         * final.c (pass_compute_alignments): Likewise.
3534         * function.c (pass_instantiate_virtual_regs): Likewise.
3535         (pass_init_function): Likewise.
3536         (pass_leaf_regs): Likewise.
3537         (pass_match_asm_constraints): Likewise.
3538         * gimple-low.c (pass_lower_cf): Likewise.
3539         (pass_mark_used_blocks): Likewise.
3540         * init-regs.c (pass_initialize_regs): Likewise.
3541         * integrate.c (pass_initial_value_sets): Likewise.
3542         * ira.c (pass_ira): Likewise.
3543         * jump.c (pass_cleanup_barriers): Likewise.
3544         * omp-low.c (pass_expand_omp): Likewise.
3545         (pass_lower_omp): Likewise.
3546         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
3547         * recog.c (pass_split_all_insns): Likewise.
3548         (pass_split_after_reload): Likewise.
3549         (pass_split_before_regstack): Likewise.
3550         (pass_split_before_sched2): Likewise.
3551         (pass_split_for_shorten_branches): Likewise.
3552         * reginfo.c (pass_reginfo_init): Likewise.
3553         (pass_subregs_of_mode_init): Likewise.
3554         (pass_subregs_of_mode_finish): Likewise.
3555         * passes.c (pass_postreload): Likewise.
3556         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
3557         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
3558         (pass_warn_function_return): Likewise.
3559         (pass_warn_function_noreturn): Likewise.
3560         * tree-complex.c (pass_lower_complex): Likewise.
3561         (pass_lower_complex_O0): Likewise.
3562         * tree-if-conv.c (pass_if_conversion): Likewise.
3563         * tree-into-ssa.c (pass_build_ssa): Likewise.
3564         * tree-mudflap.c (pass_mudflap_1): Likewise.
3565         (pass_mudflap_2): Likewise.
3566         * tree-nomudflap.c (pass_mudflap_1): Likewise.
3567         (pass_mudflap_2): Likewise.
3568         * tree-nrv.c (pass_return_slot): Likewise.
3569         * tree-object-size.c (pass_object_sizes): Likewise.
3570         * tree-optimize.c (pass_all_optimizations): Likewise.
3571         (pass_early_local_passes): Likewise.
3572         (pass_all_early_optimizations): Likewise.
3573         (pass_cleanup_cfg): Likewise.
3574         (pass_cleanup_cfg_post_optimizing): Likewise.
3575         (pass_free_datastructures): Likewise.
3576         (pass_free_cfg_annotations): Likewise.
3577         (pass_fixup_cfg): Likewise.
3578         (pass_init_datastructures): Likewise.
3579         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
3580         (pass_late_warn_uninitialized): Likewise.
3581         (pass_update_address_taken): Likewise.
3582         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
3583         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
3584         (pass_cse_sincos): Likewise.
3585         (pass_convert_to_rsqrt): Likewise.
3586         * tree-ssa-structalias.c (pass_build_alias): Likewise.
3587         * tree-stdarg.c (pass_stdarg): Likewise.
3588         * tree-tailcall.c (pass_tail_recursion): Likewise.
3589         (pass_tail_calls): Likewise.
3590         * tree-vect-generic.c (pass_lower_vector): Likewise.
3591         (pass_lower_vector_ssa): Likewise.
3592         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
3593
3594 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
3595
3596         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
3597         XLR entry.
3598         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
3599         Handle -march=xlr.
3600         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
3601         logical and signext.
3602
3603 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
3604
3605         PR target/39767
3606         * config/sh/predicates.md (arith_operand): Check if the operand
3607         of TRUNCATE is a REG.
3608
3609 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3610
3611         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
3612         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
3613
3614 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3615
3616         * tree-iterator.c (tsi_split_statement_list_after,
3617         tsi_split_statement_list_before): Remove.
3618         * tree-iterator.h: Remove the prototypes for
3619         tsi_split_statement_list_after and tsi_split_statement_list_before.
3620
3621 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3622
3623         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
3624         * tree-ssa-propagate.h: Remove the prototype for
3625         stmt_makes_single_load.
3626
3627 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3628
3629         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
3630         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
3631
3632 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3633
3634         * tree-iterator.c (EXPR_LAST_BODY): Remove.
3635
3636 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3637
3638         * except.c (eh_region_outer_p): Remove.
3639         * except.h: Remove the prototype for eh_region_outer_p.
3640
3641 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3642
3643         * function.c (current_function_assembler_name): Remove.
3644         * function.h: Remove the prototype for
3645         current_function_assembler_name.
3646
3647 2009-04-16  Ian Lance Taylor  <iant@google.com>
3648
3649         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
3650         (add_reg_note): Call alloc_reg_note.
3651         * rtl.h (alloc_reg_note): Declare.
3652         * combine.c (try_combine): Use alloc_reg_note.
3653         (recog_for_combine, move_deaths): Likewise.
3654         (distribute_notes): Use alloc_reg_note and add_reg_note.
3655         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
3656         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
3657         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
3658
3659 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
3660
3661         PR rtl-optimization/39762
3662         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
3663         ira_may_move_out_cost): Add comments about way of their usage.
3664         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
3665
3666         * ira-conflicts.c (process_regs_for_copy): Use function
3667         ira_get_register_move_cost instead of global
3668         ira_register_move_cost.
3669
3670         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
3671         color_pass, move_spill_restore, update_curr_costs): Ditto.
3672
3673         * ira-lives.c (process_single_reg_class_operands): Ditto.
3674
3675         * ira-emit.c (emit_move_list): Ditto.
3676
3677         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
3678         (record_reg_classes): Ditto.  Use functions
3679         ira_get_register_move_cost and ira_get_may_move_cost instead of
3680         global vars ira_register_move_cost, ira_may_move_out_cost and
3681         ira_may_move_in_cost.
3682         (record_address_regs): Don't call ira_init_register_move_cost.
3683         Use function ira_get_may_move_cost instead of global
3684         ira_may_move_in_cost.
3685         (process_bb_node_for_hard_reg_moves): Use function
3686         ira_get_register_move_cost instead of global ira_register_move_cost.
3687         (ira_costs): Don't call ira_init_register_move_cost.
3688
3689 2009-04-16  Richard Guenther  <rguenther@suse.de>
3690
3691         * tree-cfg.c (verify_gimple_assign_binary):
3692         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
3693         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
3694         (create_general_new_stmt): Note that this function is broken.
3695
3696 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
3697
3698         * common.opt (fhelp): Add Var(help_flag).
3699         * gcc-plugin.h (plugin_info): Add help.
3700         * plugin.c (plugin_name_args): Add help.
3701         (register_plugin_info): Set plugin->help.
3702         (print_help_one_plugin): New.
3703         (print_plugins_help): New.
3704         * plugin.h (print_plugins_help): New.
3705         * toplev.c (toplev_main): Call print_plugins_help if needed.
3706
3707 2009-04-16  Richard Guenther  <rguenther@suse.de>
3708
3709         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
3710         (gimple_ior_addresses_taken_1): New function.
3711         (gimple_ior_addresses_taken): Likewise.
3712         * gimple.h (struct gimple_statement_with_ops_base): Remove
3713         addresses_taken member.
3714         (gimple_ior_addresses_taken): Declare.
3715         (gimple_addresses_taken, gimple_addresses_taken_ptr,
3716         gimple_set_addresses_taken): Remove.
3717         * ipa-reference.c (mark_address): New function.
3718         (scan_stmt_for_static_refs): Use it for marking addresses taken.
3719         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
3720         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
3721         (gimple_add_to_addresses_taken): Remove.
3722         (get_tmr_operands): Call mark_address_taken.
3723         (get_asm_expr_operands): Likewise.
3724         (get_expr_operands): Likewise.
3725         (build_ssa_operands): Do not clear the addresses_taken bitmap.
3726         (free_stmt_operands): Do not free it.
3727         * tree-ssa.c (delete_tree_ssa): Likewise.
3728         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
3729
3730 2009-04-16  Richard Guenther  <rguenther@suse.de>
3731
3732         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
3733         (walk_stmt_load_store_ops): Likewise.
3734         * gimple.c (get_base_loadstore): New function.
3735         (walk_stmt_load_store_addr_ops): Likewise.
3736         (walk_stmt_load_store_ops): Likewise.
3737         * ipa-pure-const.c (check_op): Simplify.
3738         (check_load, check_store): New functions.
3739         (check_stmt): Use walk_stmt_load_store_ops.
3740         * ipa-reference.c (mark_load): Adjust signature.
3741         (mark_store): Likewise.
3742         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
3743
3744 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
3745
3746         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
3747         (plugin_info): New.
3748         * opts.c (common_handle_option): Don't call print_version.
3749         * plugin.c (plugin_name_args): Add version.
3750         (register_plugin_info): New.
3751         (register_callback): Handle PLUGIN_INFO.
3752         (try_init_one_plugin): New.
3753         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
3754         if failed to init.
3755         (finalize_one_plugin): New.
3756         (finalize_plugins): New.
3757         (print_one_plugin): New.
3758         (print_plugins_versions): New.
3759         * plugin.h (print_plugins_versions): New.
3760         (finalize_plugins): New.
3761         * toplev.c (compile_file): Don't call initialize_plugins.
3762         (print_version): Call print_plugins_versions.
3763         (toplev_main): Call initialize_plugins. Print version if needed.
3764         Call finalize_plugins.
3765
3766 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
3767
3768         * common.opt (fversion): New.
3769         * gcc.c (print_version): New.
3770         (process_command): Don't print the version. Just set print_version.
3771         (main): Print version. Call subprocesses if print_version and
3772         verbose_flag are set.
3773         * opts.c (common_handle_option): Handle OPT_fversion.
3774
3775 2009-04-16  Richard Guenther  <rguenther@suse.de>
3776             Ira Rosen  <irar@il.ibm.com>
3777
3778         PR tree-optimization/39698
3779         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
3780         type of the reduction variable.  Only generate the def if
3781         it is needed.
3782
3783         * omp-low.c (expand_omp_for_generic): When converting to a pointer
3784         make sure to first convert to an integer of the same precision.
3785         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
3786         the type of the evolution correctly in computing the new
3787         induction variable base.
3788
3789 2009-04-16  Richard Guenther  <rguenther@suse.de>
3790
3791         PR middle-end/39625
3792         * tree-cfg.c (make_blocks): Split statements with to-be
3793         abnormal SSA names on the lhs.
3794
3795 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
3796
3797         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
3798         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
3799         * c-typeck.c (really_start_incremental_init): Likewise.
3800         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
3801         (TARGET_INITIALIZER): Remove it.
3802         * target.h (struct target): Remove vector_opaque_p.
3803         * tree.c (build_opaque_vector_type): New.
3804         * tree.h (TYPE_VECTOR_OPAQUE): New.
3805         (build_opaque_vector_type): Declare.
3806         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
3807         * config/rs6000/rs6000.c (build_opaque_vector_type,
3808         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
3809         (rs6000_init_builtins): Use build_opaque_vector_type for
3810         opaque_V4SI_type_node.
3811
3812 2009-04-15  Catherine Moore  <clm@codesourcery.com>
3813
3814         * debug.h (set_name):  Declare.
3815         * dwarf2out.c (dwarf2out_set_name): Declare.
3816         (dwarf2_debug_hooks): Add set_name.
3817         (find_AT_string): New.
3818         (add_AT_string): Call find_AT_string.
3819         (dwarf2out_set_name): New.
3820         * cp/decl.c (grokdeclarator): Call set_name.
3821         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
3822         * debug.c (do_nothing_debug_hooks):  Likewise.
3823         * dbxout.c (dbx_debug_hooks): Likewise.
3824         * sdbout.c (sdb_debug_hooks): Likewise.
3825
3826 2009-04-15  Michael Eager  <eager@eagercon.com>
3827
3828         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
3829         reg for single-precision FPU.
3830         * config/rs6000/rs6000.md (movsi_internal1): Only for
3831         !TARGET_SINGLE_FPU.
3832         (movsi_internal1_single): New. Add pattern to move SI values to/from
3833         single-precision FP regs.
3834
3835 2009-04-15  Richard Guenther  <rguenther@suse.de>
3836
3837         * omp-low.c (lower_rec_input_clauses): Build correct address
3838         expressions.
3839         (expand_omp_for_generic): Fix multiplication type.
3840         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
3841         (generate_memset_zero): Fix types.
3842         * tree-profile.c (prepare_instrumented_value): Correctly
3843         widen a pointer.
3844
3845 2009-04-15  Ian Lance Taylor  <iant@google.com>
3846
3847         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
3848         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
3849         for -Wall and for -Wc++-compat.
3850         (c_common_post_options): For C++, set warn_enum_compare if not
3851         already set.
3852         * c-tree.h (struct c_expr): Add field original_type.
3853         (build_external_ref): Update declaration.
3854         * c-parser.c (c_parser_braced_init): Set original_type.
3855         (c_parser_initelt): Likewise.
3856         (c_parser_expr_no_commas): Likewise.
3857         (c_parser_conditional_expression): Likewise.
3858         (c_parser_cast_expression): Likewise.
3859         (c_parser_unary_expression): Likewise.  Pull setting of
3860         original_code to top of function.
3861         (c_parser_sizeof_expression): Set original_type.
3862         (c_parser_alignof_expression): Likewise.
3863         (c_parser_postfix_expression): Likewise.  Pull setting of
3864         original_code to top of function.
3865         (c_parser_postfix_expression_after_paren_type): Set original_type.
3866         (c_parser_postfix_expression_after_primary): Likewise.
3867         (c_parser_expression): Likewise.
3868         * c-typeck.c (build_external_ref): Add type parameter.  Change all
3869         callers.
3870         (c_expr_sizeof_expr): Set original_type field.
3871         (parser_build_unary_op): Likewise.
3872         (parser_build_binary_op): Likewise.  Optionally warn about
3873         comparisons of enums of different types.
3874         (digest_init): Set original_type field.
3875         (really_start_incremental_init): Likewise.
3876         (push_init_level, pop_init_level): Likewise.
3877         * doc/invoke.texi (Warning Options): -Wenum-compare now
3878         supported in C.
3879
3880 2009-04-15  Richard Guenther  <rguenther@suse.de>
3881
3882         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
3883         out a necessary conversion.
3884         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
3885         names we didn't value number.
3886         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
3887
3888 2009-04-15  Richard Guenther  <rguenther@suse.de>
3889
3890         PR tree-optimization/39764
3891         * tree-ssa-ccp.c (get_value): Canonicalize value with
3892         canonicalize_float_value.
3893
3894 2009-04-15  Jan Hubicka  <jh@suse.cz>
3895
3896         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
3897         Wrong version of patch.
3898
3899 2009-04-15  Jan Hubicka  <jh@suse.cz>
3900
3901         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
3902
3903 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
3904
3905         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
3906         our distinct integral and vector types.
3907
3908 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
3909
3910         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
3911         * init.c (build_vtbl_address): Remove call to assemble_external.
3912
3913 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
3914
3915         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
3916         output for other floating point modes.
3917
3918 2009-04-14  Diego Novillo  <dnovillo@google.com>
3919
3920         * diagnostic.c (diagnostic_report_diagnostic): Do not
3921         warn about loaded plugins for DK_ERROR and DK_WARNING.
3922         * c-decl.c (declspecs_add_type): Move call to
3923         invoke_plugin_callbacks ...
3924         * c-parser.c (c_parser_declspecs): ... here.
3925         * plugin.c (dump_active_plugins): Tidy output.
3926
3927 2009-04-14  Diego Novillo  <dnovillo@google.com>
3928             Le-Chun Wu  <lcwu@google.com>
3929
3930         * configure.ac: Add --enable-plugin support.
3931         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
3932         * Makefile.in (PLUGIN_H): Define.
3933         Export ENABLE_PLUGIN and GMPINC to site.exp.
3934         Add PLUGINLIBS to link command.
3935         Add/modify dependencies for plugin.o and files including plugin.h.
3936         (plugin.o): New.
3937         * config.in: Regenerate.
3938
3939         * opts.c (common_handle_option): Handle OPT_fplugin_ and
3940         OPT_fplugin_arg_.
3941
3942 2009-04-14  Le-Chun Wu  <lcwu@google.com>
3943
3944         * tree-pass.h (register_one_dump_file): Add a prototype for
3945         register_one_dump_file.
3946         * toplev.c (compile_file): Call initialize_plugins.
3947         (do_compile): Call invoke_plugin_callbacks.
3948         (toplev_main): Call invoke_plugin_callbacks.
3949         * common.opt: Add -fplugin= and -fplugin-arg-.
3950         * gcc-plugin.h: New public header file for plugins to include.
3951         * plugin.c: New source file.
3952         * plugin.h: New internal header file.
3953         * passes.c (register_one_dump_file): Make it external.
3954
3955         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
3956
3957 2009-04-14  Diego Novillo  <dnovillo@google.com>
3958
3959         * doc/plugins.texi: New.
3960         * doc/gccint.texi: Add reference to Plugins chapter.
3961         * doc/invoke.texi: Document -fplugin and -fplugin-arg
3962         * diagnostic.c (diagnostic_report_diagnostic): Warn about
3963         loaded plugins, if any.
3964         * timevar.def (TV_PLUGIN_INIT): Define.
3965         (TV_PLUGIN_RUN): Define.
3966         * plugin.c: Include timevar.h
3967         (plugins_active_p): New.
3968         (dump_active_plugins): New.
3969         (debug_active_plugins): New.
3970
3971 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
3972
3973         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
3974         library paths.
3975         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
3976
3977 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
3978
3979         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
3980         the same as a minus without a shift.
3981
3982 2009-04-14  Nick Clifton  <nickc@redhat.com>
3983
3984         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
3985         comparisons with small integers will always produce a short
3986         branch.
3987
3988 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
3989
3990         Merge:
3991         2008-12-19  Diego Novillo  <dnovillo@google.com>
3992
3993         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
3994
3995 2009-04-14  Richard Guenther  <rguenther@suse.de>
3996
3997         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
3998         verification.
3999         (verify_gimple_assign_binary): Likewise.  Handle shifts and
4000         rotates correctly.
4001         (verify_gimple_phi): Print the mismatched argument position.
4002         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
4003         Fix types.
4004         (vect_update_init_of_dr): Likewise.
4005         * matrix-reorg.c (transform_access_sites): Do what the
4006         comment suggests.
4007         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
4008
4009 2009-04-13  Michael Eager  <eager@eagercon.com>
4010
4011         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
4012         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
4013         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
4014         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
4015         remove duplicate config
4016
4017 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4018
4019         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
4020         file_name:line_number type locator of the call site.
4021
4022 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
4023
4024         * genautomata.c: Put blank after comma.
4025         (automaton_decls): New.
4026         (struct unit_usage): Add comments to member next.
4027         (store_alt_unit_usage): Keep the list ordered.
4028         (unit_present_on_list_p, equal_alternatives_p): New.
4029         (check_regexp_units_distribution): Check units distribution
4030         correctness correctly.
4031         (main): Don't write automata if error is found.  Return correct
4032         exit code.
4033
4034         * config/m68k/cf.md (cfv4_ds): Remove.
4035         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
4036         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
4037
4038         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
4039         power4-load-ext, power4-store, power4-store-update,
4040         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
4041         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
4042         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
4043         power4-sqrt, power4-isync): Modify reservation to make correct
4044         unit distribution to automata.
4045
4046         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
4047         power5-store-update, power5-two, power5-three, power5-lmul,
4048         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
4049
4050 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
4051
4052         * except.c (pass_set_nothrow_function_flags): Set name and add
4053         TODO_dump_func.
4054         (set_nothrow_function_flags): Mention in the dump file when
4055         changing a function to nothrow.
4056
4057 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
4058
4059         PR/39066
4060         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
4061         instead of unsigned long.
4062
4063 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4064
4065         * config/arm/arm.c (return_used_this_function): Remove.
4066         (arm_output_function_prologue): Remove use of
4067         return_used_this_function.
4068         (output_return_instruction): Replace use of
4069         return_used_this_function
4070         by cfun->machine->return_used_this_function.
4071         (arm_output_epilogue): Likewise.
4072         (arm_output_function_epilogue): Likewise.
4073         (thumb_unexpanded_epilogue): Likewise.
4074         * config/arm/arm.h (struct machine_function):
4075         New member return_used_this_function.
4076
4077 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
4078
4079         * doc/install.texi: Correct description of default directory for
4080         --with-gxx-include-dir.
4081
4082 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
4083
4084         * fold-const.c (build_range_check): Properly deal with enumeral and
4085         boolean base types.
4086
4087 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
4088
4089         * doc/invoke.texi (max_gcse_passes): Remove documentation.
4090         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
4091         * params.h (MAX_GCSE_PASSES): Remove.
4092         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
4093         in sequence.  Remove ability to run multiple passes.
4094         (bypass_jumps): Report run as third CPROP pass.
4095
4096 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
4097
4098         PR middle-end/39651
4099         * except.c (can_throw_external): Look at each insn in a SEQUENCE
4100         when deciding whether the whole SEQUENCE can throw.
4101
4102 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
4103
4104         PR target/39740
4105         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
4106         offseted label references.
4107
4108 2009-04-11  Jan Hubicka  <jh@suse.cz>
4109
4110         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
4111
4112 2009-04-11  Richard Guenther  <rguenther@suse.de>
4113
4114         PR middle-end/39732
4115         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
4116         return variables as TREE_ADDRESSABLE.
4117
4118 2009-04-11  Richard Guenther  <rguenther@suse.de>
4119
4120         PR tree-optimization/39713
4121         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
4122         reference trees have SSA_NAME operands.
4123
4124 2009-04-11  Richard Guenther  <rguenther@suse.de>
4125
4126         PR c/39712
4127         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
4128         address expressions.
4129
4130 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
4131
4132         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
4133         match changes in Cygwin 1.7
4134         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
4135         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
4136
4137 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
4138
4139         PR tree-optimization/39701
4140         * doc/invoke.texi (Optimization Options): Document change in
4141         meaning and initialization of -fdelete-null-pointer-checks.
4142
4143 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
4144
4145         PR middle-end/39701
4146         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
4147
4148         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
4149         here.
4150
4151         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
4152
4153 2009-04-10  Chao-ying Fu  <fu@mips.com>
4154
4155         * doc/tm.texi (Instruction Output): Document
4156         TARGET_ASM_FINAL_POSTSCAN_INSN.
4157         * target.h (final_postscan_insn): New field in asm_out.
4158         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
4159         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
4160         * final.c (final_scan_insn): Call
4161         targetm.asm_out.final_postscan_insn after outputting
4162         an asm macro and a normal instruction.
4163
4164         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
4165         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
4166         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
4167         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
4168         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
4169
4170 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
4171
4172         PR middle-end/39701
4173         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
4174         variables as non-NULL even with -fdelete-null-pointer-checks.
4175
4176 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
4177
4178         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
4179
4180 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4181
4182         PR target/39678
4183         * config/i386/i386.c (classify_argument): Handle SCmode with
4184         (bit_offset % 64) != 0.
4185
4186 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
4187
4188         * doc/invoke.texi (Optimize Options): Add cross-reference to
4189         -Q --help=optimizers examples.
4190
4191 2009-04-10  Ben Elliston  <bje@au.ibm.com>
4192
4193         PR target/36800
4194         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
4195         regalign for the reg == fpr and TDmode case.
4196
4197 2009-04-09  David Ayers  <ayers@fsfe.org>
4198
4199         PR objc/29200
4200         * objc/objc-act.c (warn_with_method): Remove helper function.
4201         (check_duplicates): Call warning and inform directly.
4202         (really_start_method): Likewise.
4203
4204 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
4205
4206         * expmed.c (expand_divmod): Always use a comparison for a division
4207         by a large unsigned integer.
4208
4209         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
4210         for things others than variables or functions as nonzero.
4211
4212 2009-04-09  Nick Clifton  <nickc@redhat.com>
4213
4214         * unwind-compat.c: Change copyright header to refer to version
4215         3 of the GNU General Public License with version 3.1 of the
4216         GCC Runtime Library Exception and to point readers at the
4217         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
4218         * config/alpha/crtfastmath.c: Likewise.
4219         * config/alpha/linux-unwind.h: Likewise.
4220         * config/alpha/qrnnd.asm: Likewise.
4221         * config/alpha/vms-crt0-64.c: Likewise.
4222         * config/alpha/vms-crt0.c: Likewise.
4223         * config/alpha/vms-dwarf2.asm: Likewise.
4224         * config/alpha/vms-dwarf2eh.asm: Likewise.
4225         * config/alpha/vms-psxcrt0-64.c: Likewise.
4226         * config/alpha/vms-psxcrt0.c: Likewise.
4227         * config/alpha/vms_tramp.asm: Likewise.
4228         * config/arc/initfini.c: Likewise.
4229         * config/arc/lib1funcs.asm: Likewise.
4230         * config/arm/bpabi-v6m.S: Likewise.
4231         * config/arm/bpabi.S: Likewise.
4232         * config/arm/bpabi.c: Likewise.
4233         * config/arm/crti.asm: Likewise.
4234         * config/arm/crtn.asm: Likewise.
4235         * config/arm/ieee754-df.S: Likewise.
4236         * config/arm/ieee754-sf.S: Likewise.
4237         * config/arm/lib1funcs.asm: Likewise.
4238         * config/arm/libunwind.S: Likewise.
4239         * config/arm/linux-atomic.c: Likewise.
4240         * config/arm/mmintrin.h: Likewise.
4241         * config/arm/pr-support.c: Likewise.
4242         * config/arm/unaligned-funcs.c: Likewise.
4243         * config/arm/unwind-arm.c: Likewise.
4244         * config/arm/unwind-arm.h: Likewise.
4245         * config/avr/libgcc.S: Likewise.
4246         * config/bfin/crti.s: Likewise.
4247         * config/bfin/crtlibid.s: Likewise.
4248         * config/bfin/crtn.s: Likewise.
4249         * config/bfin/lib1funcs.asm: Likewise.
4250         * config/bfin/linux-unwind.h: Likewise.
4251         * config/cris/arit.c: Likewise.
4252         * config/cris/cris_abi_symbol.c: Likewise.
4253         * config/darwin-64.c: Likewise.
4254         * config/darwin-crt2.c: Likewise.
4255         * config/darwin-crt3.c: Likewise.
4256         * config/darwin.h: Likewise.
4257         * config/dbxelf.h: Likewise.
4258         * config/dfp-bit.c: Likewise.
4259         * config/dfp-bit.h: Likewise.
4260         * config/elfos.h: Likewise.
4261         * config/fixed-bit.c: Likewise.
4262         * config/fixed-bit.h: Likewise.
4263         * config/fp-bit.c: Likewise.
4264         * config/fp-bit.h: Likewise.
4265         * config/fr30/crti.asm: Likewise.
4266         * config/fr30/crtn.asm: Likewise.
4267         * config/fr30/lib1funcs.asm: Likewise.
4268         * config/freebsd-spec.h: Likewise.
4269         * config/frv/cmovd.c: Likewise.
4270         * config/frv/cmovh.c: Likewise.
4271         * config/frv/cmovw.c: Likewise.
4272         * config/frv/frvbegin.c: Likewise.
4273         * config/frv/frvend.c: Likewise.
4274         * config/frv/lib1funcs.asm: Likewise.
4275         * config/glibc-stdint.h: Likewise.
4276         * config/h8300/clzhi2.c: Likewise.
4277         * config/h8300/crti.asm: Likewise.
4278         * config/h8300/crtn.asm: Likewise.
4279         * config/h8300/ctzhi2.c: Likewise.
4280         * config/h8300/fixunssfsi.c: Likewise.
4281         * config/h8300/lib1funcs.asm: Likewise.
4282         * config/h8300/parityhi2.c: Likewise.
4283         * config/h8300/popcounthi2.c: Likewise.
4284         * config/i386/ammintrin.h: Likewise.
4285         * config/i386/att.h: Likewise.
4286         * config/i386/avxintrin.h: Likewise.
4287         * config/i386/biarch64.h: Likewise.
4288         * config/i386/bmmintrin.h: Likewise.
4289         * config/i386/cpuid.h: Likewise.
4290         * config/i386/cross-stdarg.h: Likewise.
4291         * config/i386/crtfastmath.c: Likewise.
4292         * config/i386/crtprec.c: Likewise.
4293         * config/i386/cygming-crtbegin.c: Likewise.
4294         * config/i386/cygming-crtend.c: Likewise.
4295         * config/i386/cygwin.asm: Likewise.
4296         * config/i386/emmintrin.h: Likewise.
4297         * config/i386/gmm_malloc.h: Likewise.
4298         * config/i386/gthr-win32.c: Likewise.
4299         * config/i386/i386.h: Likewise.
4300         * config/i386/immintrin.h: Likewise.
4301         * config/i386/linux-unwind.h: Likewise.
4302         * config/i386/linux64.h: Likewise.
4303         * config/i386/mm3dnow.h: Likewise.
4304         * config/i386/mmintrin-common.h: Likewise.
4305         * config/i386/mmintrin.h: Likewise.
4306         * config/i386/nmmintrin.h: Likewise.
4307         * config/i386/pmm_malloc.h: Likewise.
4308         * config/i386/pmmintrin.h: Likewise.
4309         * config/i386/smmintrin.h: Likewise.
4310         * config/i386/sol2-c1.asm: Likewise.
4311         * config/i386/sol2-ci.asm: Likewise.
4312         * config/i386/sol2-cn.asm: Likewise.
4313         * config/i386/sol2-gc1.asm: Likewise.
4314         * config/i386/tmmintrin.h: Likewise.
4315         * config/i386/unix.h: Likewise.
4316         * config/i386/w32-unwind.h: Likewise.
4317         * config/i386/wmmintrin.h: Likewise.
4318         * config/i386/x86-64.h: Likewise.
4319         * config/i386/x86intrin.h: Likewise.
4320         * config/i386/xmmintrin.h: Likewise.
4321         * config/ia64/crtbegin.asm: Likewise.
4322         * config/ia64/crtend.asm: Likewise.
4323         * config/ia64/crtfastmath.c: Likewise.
4324         * config/ia64/crti.asm: Likewise.
4325         * config/ia64/crtn.asm: Likewise.
4326         * config/ia64/fde-glibc.c: Likewise.
4327         * config/ia64/lib1funcs.asm: Likewise.
4328         * config/ia64/linux-unwind.h: Likewise.
4329         * config/ia64/quadlib.c: Likewise.
4330         * config/ia64/unwind-ia64.c: Likewise.
4331         * config/linux.h: Likewise.
4332         * config/m32c/m32c-lib1.S: Likewise.
4333         * config/m32c/m32c-lib2-trapv.c: Likewise.
4334         * config/m32c/m32c-lib2.c: Likewise.
4335         * config/m32r/initfini.c: Likewise.
4336         * config/m68hc11/larith.asm: Likewise.
4337         * config/m68hc11/m68hc11-crt0.S: Likewise.
4338         * config/m68k/cf.md: Likewise.
4339         * config/m68k/crti.s: Likewise.
4340         * config/m68k/crtn.s: Likewise.
4341         * config/m68k/lb1sf68.asm: Likewise.
4342         * config/m68k/linux-unwind.h: Likewise.
4343         * config/mcore/crti.asm: Likewise.
4344         * config/mcore/crtn.asm: Likewise.
4345         * config/mcore/lib1.asm: Likewise.
4346         * config/mips/linux-unwind.h: Likewise.
4347         * config/mips/loongson.h: Likewise.
4348         * config/mips/mips16.S: Likewise.
4349         * config/mmix/crti.asm: Likewise.
4350         * config/mmix/crtn.asm: Likewise.
4351         * config/pa/fptr.c: Likewise.
4352         * config/pa/hpux-unwind.h: Likewise.
4353         * config/pa/lib2funcs.asm: Likewise.
4354         * config/pa/linux-atomic.c: Likewise.
4355         * config/pa/linux-unwind.h: Likewise.
4356         * config/pa/milli64.S: Likewise.
4357         * config/pa/quadlib.c: Likewise.
4358         * config/pa/stublib.c: Likewise.
4359         * config/picochip/libgccExtras/adddi3.asm: Likewise.
4360         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
4361         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
4362         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
4363         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
4364         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
4365         * config/picochip/libgccExtras/divmod15.asm: Likewise.
4366         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
4367         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
4368         * config/picochip/libgccExtras/longjmp.asm: Likewise.
4369         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
4370         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
4371         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
4372         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
4373         * config/picochip/libgccExtras/setjmp.asm: Likewise.
4374         * config/picochip/libgccExtras/subdi3.asm: Likewise.
4375         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
4376         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
4377         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
4378         * config/rs6000/750cl.h: Likewise.
4379         * config/rs6000/altivec.h: Likewise.
4380         * config/rs6000/biarch64.h: Likewise.
4381         * config/rs6000/crtresfpr.asm: Likewise.
4382         * config/rs6000/crtresgpr.asm: Likewise.
4383         * config/rs6000/crtresxfpr.asm: Likewise.
4384         * config/rs6000/crtresxgpr.asm: Likewise.
4385         * config/rs6000/crtsavfpr.asm: Likewise.
4386         * config/rs6000/crtsavgpr.asm: Likewise.
4387         * config/rs6000/darwin-asm.h: Likewise.
4388         * config/rs6000/darwin-fallback.c: Likewise.
4389         * config/rs6000/darwin-fpsave.asm: Likewise.
4390         * config/rs6000/darwin-ldouble.c: Likewise.
4391         * config/rs6000/darwin-tramp.asm: Likewise.
4392         * config/rs6000/darwin-unwind.h: Likewise.
4393         * config/rs6000/darwin-vecsave.asm: Likewise.
4394         * config/rs6000/darwin-world.asm: Likewise.
4395         * config/rs6000/e500crtres32gpr.asm: Likewise.
4396         * config/rs6000/e500crtres64gpr.asm: Likewise.
4397         * config/rs6000/e500crtres64gprctr.asm: Likewise.
4398         * config/rs6000/e500crtrest32gpr.asm: Likewise.
4399         * config/rs6000/e500crtrest64gpr.asm: Likewise.
4400         * config/rs6000/e500crtresx32gpr.asm: Likewise.
4401         * config/rs6000/e500crtresx64gpr.asm: Likewise.
4402         * config/rs6000/e500crtsav32gpr.asm: Likewise.
4403         * config/rs6000/e500crtsav64gpr.asm: Likewise.
4404         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
4405         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
4406         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
4407         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
4408         * config/rs6000/eabi-ci.asm: Likewise.
4409         * config/rs6000/eabi-cn.asm: Likewise.
4410         * config/rs6000/eabi.asm: Likewise.
4411         * config/rs6000/linux-unwind.h: Likewise.
4412         * config/rs6000/linux64.h: Likewise.
4413         * config/rs6000/paired.h: Likewise.
4414         * config/rs6000/paired.md: Likewise.
4415         * config/rs6000/ppc64-fp.c: Likewise.
4416         * config/rs6000/ppu_intrinsics.h: Likewise.
4417         * config/rs6000/rs6000.h: Likewise.
4418         * config/rs6000/si2vmx.h: Likewise.
4419         * config/rs6000/sol-ci.asm: Likewise.
4420         * config/rs6000/sol-cn.asm: Likewise.
4421         * config/rs6000/spe.h: Likewise.
4422         * config/rs6000/spu2vmx.h: Likewise.
4423         * config/rs6000/sysv4.h: Likewise.
4424         * config/rs6000/tramp.asm: Likewise.
4425         * config/rs6000/vec_types.h: Likewise.
4426         * config/s390/linux-unwind.h: Likewise.
4427         * config/s390/tpf-unwind.h: Likewise.
4428         * config/score/crti.asm: Likewise.
4429         * config/score/crtn.asm: Likewise.
4430         * config/sh/crt1.asm: Likewise.
4431         * config/sh/crti.asm: Likewise.
4432         * config/sh/crtn.asm: Likewise.
4433         * config/sh/divtab-sh4-300.c: Likewise.
4434         * config/sh/divtab-sh4.c: Likewise.
4435         * config/sh/divtab.c: Likewise.
4436         * config/sh/lib1funcs-4-300.asm: Likewise.
4437         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
4438         * config/sh/lib1funcs.asm: Likewise.
4439         * config/sh/lib1funcs.h: Likewise.
4440         * config/sh/linux-atomic.asm: Likewise.
4441         * config/sh/linux-unwind.h: Likewise.
4442         * config/sh/shmedia.h: Likewise.
4443         * config/sh/sshmedia.h: Likewise.
4444         * config/sh/ushmedia.h: Likewise.
4445         * config/sparc/crtfastmath.c: Likewise.
4446         * config/sparc/linux-unwind.h: Likewise.
4447         * config/sparc/sol2-c1.asm: Likewise.
4448         * config/sparc/sol2-ci.asm: Likewise.
4449         * config/sparc/sol2-cn.asm: Likewise.
4450         * config/spu/divmodti4.c: Likewise.
4451         * config/spu/divv2df3.c: Likewise.
4452         * config/spu/float_disf.c: Likewise.
4453         * config/spu/float_unsdidf.c: Likewise.
4454         * config/spu/float_unsdisf.c: Likewise.
4455         * config/spu/float_unssidf.c: Likewise.
4456         * config/spu/mfc_multi_tag_release.c: Likewise.
4457         * config/spu/mfc_multi_tag_reserve.c: Likewise.
4458         * config/spu/mfc_tag_release.c: Likewise.
4459         * config/spu/mfc_tag_reserve.c: Likewise.
4460         * config/spu/mfc_tag_table.c: Likewise.
4461         * config/spu/multi3.c: Likewise.
4462         * config/spu/spu_internals.h: Likewise.
4463         * config/spu/spu_intrinsics.h: Likewise.
4464         * config/spu/spu_mfcio.h: Likewise.
4465         * config/spu/vec_types.h: Likewise.
4466         * config/spu/vmx2spu.h: Likewise.
4467         * config/stormy16/stormy16-lib2.c: Likewise.
4468         * config/svr4.h: Likewise.
4469         * config/sync.c: Likewise.
4470         * config/v850/lib1funcs.asm: Likewise.
4471         * config/vxlib-tls.c: Likewise.
4472         * config/vxlib.c: Likewise.
4473         * config/vxworks-dummy.h: Likewise.
4474         * config/xtensa/crti.asm: Likewise.
4475         * config/xtensa/crtn.asm: Likewise.
4476         * config/xtensa/ieee754-df.S: Likewise.
4477         * config/xtensa/ieee754-sf.S: Likewise.
4478         * config/xtensa/lib1funcs.asm: Likewise.
4479         * config/xtensa/lib2funcs.S: Likewise.
4480         * config/xtensa/linux-unwind.h: Likewise.
4481         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
4482         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
4483         * coretypes.h: Likewise.
4484         * crtstuff.c: Likewise.
4485         * defaults.h: Likewise.
4486         * dwarf2.h: Likewise.
4487         * emutls.c: Likewise.
4488         * gbl-ctors.h: Likewise.
4489         * gcov-io.h: Likewise.
4490         * ginclude/float.h: Likewise.
4491         * ginclude/iso646.h: Likewise.
4492         * ginclude/stdarg.h: Likewise.
4493         * ginclude/stdbool.h: Likewise.
4494         * ginclude/stddef.h: Likewise.
4495         * ginclude/stdfix.h: Likewise.
4496         * ginclude/stdint-gcc.h: Likewise.
4497         * ginclude/tgmath.h: Likewise.
4498         * gthr-aix.h: Likewise.
4499         * gthr-dce.h: Likewise.
4500         * gthr-gnat.c: Likewise.
4501         * gthr-gnat.h: Likewise.
4502         * gthr-lynx.h: Likewise.
4503         * gthr-mipssde.h: Likewise.
4504         * gthr-nks.h: Likewise.
4505         * gthr-posix.c: Likewise.
4506         * gthr-posix.h: Likewise.
4507         * gthr-posix95.h: Likewise.
4508         * gthr-rtems.h: Likewise.
4509         * gthr-single.h: Likewise.
4510         * gthr-solaris.h: Likewise.
4511         * gthr-tpf.h: Likewise.
4512         * gthr-vxworks.h: Likewise.
4513         * gthr-win32.h: Likewise.
4514         * gthr.h: Likewise.
4515         * libgcc2.c: Likewise.
4516         * libgcc2.h: Likewise.
4517         * libgcov.c: Likewise.
4518         * tsystem.h: Likewise.
4519         * typeclass.h: Likewise.
4520         * unwind-c.c: Likewise.
4521         * unwind-compat.h: Likewise.
4522         * unwind-dw2-fde-compat.c: Likewise.
4523         * unwind-dw2-fde-darwin.c: Likewise.
4524         * unwind-dw2-fde-glibc.c: Likewise.
4525         * unwind-dw2-fde.c: Likewise.
4526         * unwind-dw2-fde.h: Likewise.
4527         * unwind-dw2.c: Likewise.
4528         * unwind-dw2.h: Likewise.
4529         * unwind-generic.h: Likewise.
4530         * unwind-pe.h: Likewise.
4531         * unwind-sjlj.c: Likewise.
4532         * unwind.inc: Likewise.
4533         * config/arm/neon-gen.ml: Change generated copyright header to
4534         refer to version 3 of the GNU General Public License with
4535         version 3.1 of the GCC Runtime Library Exception and to point
4536         readers at the COPYING3 and COPYING3.RUNTIME files and the
4537         FSF's license web page.
4538         * config/arm/arm_neon.h: Regenerate.
4539
4540 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
4541
4542         * config/cris/cris.md: Change copyright header to refer to version
4543         3 of the GNU General Public License.
4544         * doc/install.texi2html: Change copyright header to refer to version
4545         3 of the GNU General Public License and to point readers at the
4546         COPYING3 file and the FSF's license web page.
4547         * config/vax/linux.h: Likewise.
4548
4549 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
4550
4551         * config/i386/i386.md (cmpcc): New.
4552         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
4553         (sync_compare_and_swap_cc*): Delete.
4554
4555         * config/s390/s390.c (s390_compare_emitted): Remove.
4556         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
4557         s390_compare_emitted used to be handled.  Assert that modes match.
4558         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
4559         refer to sync_compare_and_swap_ccsi.
4560         * config/s390/s390.h (s390_compare_emitted): Remove.
4561         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
4562         instead of s390_compare_emitted.
4563         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
4564         instead of s390_compare_emitted.
4565         * config/s390/s390.md (cmpcc): New.
4566         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
4567         CC_REGNUM, do not pretend it's set.
4568         (sync_compare_and_swap_cc*): Delete.
4569         * config/s390/predicates.md (cc_reg_operand): New.
4570
4571         * expr.c (sync_compare_and_swap_cc): Delete.
4572         * optabs.h (sync_compare_and_swap_cc): Delete.
4573         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
4574         is being used with can_compare_p.
4575         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
4576         (find_cc_set): New.
4577         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
4578         look for a MODE_CC set instead.  Use emit_store_flag.
4579         (expand_compare_and_swap_loop): Likewise, with some additional
4580         complication to avoid a force_reg when useless.  Use
4581         emit_cmp_and_jump_insns.
4582         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
4583         * doc/md.texi (sync_compare_and_swap_cc): Merge with
4584         sync_compare_and_swap documentation.
4585
4586 2009-04-09  Jan Hubicka  <jh@suse.cz>
4587
4588         * except.c (find_prev_try): Break out from ....
4589         (duplicate_eh_regions): ... here; properly update prev_try pointers
4590         when duplication part of tree.
4591         (dump_eh_tree): Improve dumping.
4592         (verify_eh_region): New.
4593         (verify_eh_tree): Use it.
4594
4595 2009-04-06  Richard Guenther  <rguenther@suse.de>
4596
4597         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
4598         &ARRAY addresses by adjusting their types and prepending
4599         a conversion.
4600         * tree-cfg.c (verify_gimple_assign_single): Verify that
4601         addresses are correct.
4602
4603 2009-04-09  Richard Guenther  <rguenther@suse.de>
4604
4605         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
4606         indices into an array reference if possible.
4607         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
4608         Fold POINTER_PLUS_EXPR statements with invariant address.
4609
4610 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
4611
4612         PR target/39634
4613         * config.gcc (powerpc64-*-linux*): Always build biarch.
4614
4615 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
4616
4617         PR c/39613
4618         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
4619         it and pedwarn if this results in an INTEGER_CST.
4620
4621 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4622
4623         * doc/install.texi: Update minimum GMP version.  Remove obsolete
4624         text in MPFR section.
4625
4626 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
4627
4628         * dwarf2out.c (class_scope_p): New static inline.
4629         (class_or_namespace_scope_p): Use it.
4630         (gen_variable_die): Use DW_TAG_member tag for static data member
4631         declarations instead of DW_TAG_variable.
4632
4633         PR middle-end/39573
4634         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
4635         variables.
4636
4637 2009-04-08  Richard Guenther  <rguenther@suse.de>
4638
4639         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
4640         valueize random data.
4641
4642 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
4643
4644         * config.gcc (aix tm_file):  Add aix-stdint.h.
4645         (aix tm clause use_gcc_stdint):  Set to wrap.
4646         * config/rs6000/aix-stdint.h:  New file.
4647
4648 2009-04-08  Richard Guenther  <rguenther@suse.de>
4649
4650         PR middle-end/36291
4651         * tree-dfa.c (add_referenced_var): Do not recurse into
4652         global initializers.
4653         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
4654         exposed variables.
4655         (fold_const_aggregate_ref): Likewise.
4656
4657 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
4658
4659         * recog.c (ordered_comparison_operator): New.
4660         * gensupport.c (std_preds): Add it.
4661         * doc/md.texi (Machine-Independent Predicates): Document it.
4662
4663 2009-04-08  Jan Hubicka  <jh@suse.cz>
4664
4665         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
4666         * function.h (rtl_eh): Remove exception_handler_label_map.
4667         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
4668         remove_exception_handler_label, for_each_eh_label_1): Remove.
4669         (rtl_remove_unreachable_regions): Remove.
4670         (convert_from_eh_region_ranges): Do not remove unreachable regions.
4671         (find_exception_handler_labels): Don't build the hashtable.
4672         (maybe_remove_eh_handler): Remove.
4673         (for_each_eh_label): Rewrite to walk the tree.
4674         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
4675         * except.h (maybe_remove_eh_handler): Remove.
4676         * passes.c (init_optimization_passes): Schedule second EH cleanup
4677         before out-of-ssa.
4678         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
4679         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
4680
4681 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
4682
4683         * genoutput.c (validate_optab_operands): New.
4684         (gen_insn, gen_expand): Call it.
4685
4686         * genflags.c (gen_insn): Detect misused iterators.
4687         (main): Pass line_no to gen_insn, exit with status 1 on error.
4688
4689         * genextract.c (line_no): Make global.
4690         (VEC_safe_set_locstr): Change assertion to error message.
4691         (main): Exit with status 1 on error.
4692
4693 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
4694
4695         PR c/39614
4696         PR c/39673
4697         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
4698         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
4699         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
4700         * c-convert.c (convert): Do not call fold on results of conversion
4701         functions when the result is a C_MAYBE_CONST_EXPR.
4702         * c-parser.c (c_parser_postfix_expression): Do not fold condition
4703         of __builtin_choose_expr.
4704         * c-typeck.c (remove_c_maybe_const_expr): New.
4705         (build_unary_op, build_conditional_expr, build_compound_expr,
4706         build_binary_op, c_objc_common_truthvalue_conversion): Call
4707         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
4708         integer operands.
4709
4710 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
4711
4712         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
4713         CODE to produce a new one. Add a prototype to use fold_convert_const
4714
4715 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
4716
4717         PR bootstrap/39660
4718         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
4719         mix declarations and code.
4720
4721 2009-04-08  Ben Elliston  <bje@au.ibm.com>
4722
4723         * gcc.c: Replace `CC' with `GCC' throughout.
4724
4725 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
4726
4727         * doc/invoke.texi: Document Atom support.
4728
4729 2009-04-07  Jason Merrill  <jason@redhat.com>
4730
4731         PR c++/25185
4732         * c-common.h, c-common.c: Add flag_pretty_templates.
4733         * c-opts.c (c_common_handle_option): Set it.
4734         * c.opt: Add -fno-pretty-templates.
4735         * doc/invoke.texi (C++ Dialect Options): Likewise.
4736
4737 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
4738
4739         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
4740         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
4741         (ia64_expand_builtin): Likewise.
4742
4743 2009-04-07  Martin Jambor  <mjambor@suse.cz>
4744
4745         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
4746         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
4747         ADDR_EXPRS are include too.
4748
4749 2009-04-07  Richard Guenther  <rguenther@suse.de>
4750
4751         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
4752         decls are only used if passes as parameters or if they are
4753         local statics and the call is not to a builtin.
4754         (call_may_clobber_ref_p_1): Likewise.
4755
4756 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4757
4758         * expr.c (do_store_flag): Remove last argument.  Simplify code
4759         to avoid duplication of tests already done by can_compare_p.
4760         (expand_expr_real_1): Adjust caller.
4761
4762 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4763
4764         * optabs.c (can_compare_p): Test the predicate of a
4765         cbranch and cstore pattern.
4766
4767 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4768
4769         * expr.c (convert_move): Use emit_store_flag instead of
4770         "emulating" it.
4771
4772 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4773
4774         * config/i386/i386.c (ix86_compare_emitted): Remove.
4775         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
4776         ix86_compare_op0 like ix86_compare_emitted used to be handled.
4777         * config/i386/i386.h (ix86_compare_emitted): Remove.
4778         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
4779         instead of ix86_compare_emitted.
4780         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
4781
4782 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
4783
4784         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
4785         Add t-sysroot-suffix to tmake_file.
4786         * config/print-sysroot-suffix.sh: New file.
4787         * config/t-sysroot-suffix: New file.
4788
4789 2009-04-07  Ben Elliston  <bje@au.ibm.com>
4790
4791         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
4792         as the latter produces a warning when the target does not support
4793         infinity.
4794
4795 2009-04-07  Ben Elliston  <bje@au.ibm.com>
4796
4797         * dfp.c: Replace type punning assignments with memcpy throughout.
4798         * Makefile.in (dfp.o-warn): Remove.
4799
4800 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
4801
4802         PR target/39634
4803         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
4804         Include soft-fp/t-softfp after rs6000/t-linux64.
4805
4806 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
4807
4808         * stor-layout.c (set_sizetype): Use the full precision of their
4809         machine mode for bitsize types.
4810
4811 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
4812
4813         * config/i386/i386.md: Revert 2 accidental checkins.
4814
4815 2009-04-06  Joey Ye  <joey.ye@intel.com>
4816             Xuepeng Guo  <xuepeng.guo@intel.com>
4817             H.J. Lu  <hongjiu.lu@intel.com>
4818
4819         Atom pipeline model, tuning and insn selection.
4820         * config.gcc (atom): Add atom config options and target.
4821
4822         * config/i386/atom.md: New.
4823
4824         * config/i386/i386.c (atom_cost): New cost.
4825         (m_ATOM): New macro flag.
4826         (initial_ix86_tune_features): Set m_ATOM.
4827         (x86_accumulate_outgoing_args): Likewise.
4828         (x86_arch_always_fancy_math_387): Likewise.
4829         (processor_target): Add Atom cost.
4830         (cpu_names): Add Atom cpu name.
4831         (override_options): Set Atom ISA.
4832         (ix86_issue_rate): New case PROCESSOR_ATOM.
4833         (ix86_adjust_cost): Likewise.
4834
4835         * config/i386/i386.h (TARGET_ATOM): New target macro.
4836         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
4837         (TARGET_OPT_AGU): New target option.
4838         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
4839         (processor_type): Add PROCESSOR_ATOM.
4840
4841         * config/i386/i386.md (cpu): Add new value "atom".
4842         (use_carry, movu): New attr.
4843         (atom.md): Include atom.md.
4844         (adddi3_carry_rex64): Set attr "use_carry".
4845         (addqi3_carry): Likewise.
4846         (addhi3_carry): Likewise.
4847         (addsi3_carry): Likewise.
4848         (*addsi3_carry_zext): Likewise.
4849         (subdi3_carry_rex64): Likewise.
4850         (subqi3_carry): Likewise.
4851         (subhi3_carry): Likewise.
4852         (subsi3_carry): Likewise.
4853         (x86_movdicc_0_m1_rex64): Likewise.
4854         (*x86_movdicc_0_m1_se): Likewise.
4855         (x86_movsicc_0_m1): Likewise.
4856         (*x86_movsicc_0_m1_se): Likewise.
4857         (*adddi_1_rex64): Emit add insn as much as possible.
4858         (*addsi_1): Likewise.
4859         (return_internal): Set atom_unit.
4860         (return_internal_long): Likewise.
4861         (return_pop_internal): Likewise.
4862         (*rcpsf2_sse): Set atom_sse_attr attr.
4863         (*qrt<mode>2_sse): Likewise.
4864         (*prefetch_sse): Likewise.
4865
4866         * config/i386/i386-c.c (ix86_target_macros_internal): New case
4867         PROCESSOR_ATOM.
4868         (ix86_target_macros_internal): Likewise.
4869
4870         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
4871         (*prefetch_sse_rex): Likewise.
4872         (sse_rcpv4sf2): Likewise.
4873         (sse_vmrcpv4sf2): Likewise.
4874         (sse_sqrtv4sf2): Likewise.
4875         (<sse>_vmsqrt<mode>2): Likewise.
4876         (sse_ldmxcsr): Likewise.
4877         (sse_stmxcsr): Likewise.
4878         (*sse_sfence): Likewise.
4879         (sse2_clflush): Likewise.
4880         (*sse2_mfence): Likewise.
4881         (*sse2_lfence): Likewise.
4882         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
4883         (<sse>_movup<ssemodesuffixf2c>): Likewise.
4884         (avx_movdqu<avxmodesuffix>): Likewise.
4885         (avx_lddqu<avxmodesuffix>): Likewise.
4886         (sse2_movntv2di): Change attr "type" to "ssemov".
4887         (sse2_movntsi): Likewise.
4888         (rsqrtv8sf2): Change attr "type" to "sseadd".
4889         (sse3_addsubv2df3): Set attr "atom_unit".
4890         (sse3_h<plusminus_insn>v4sf3): Likewise.
4891         (*sse2_pmaddwd): Likewise.
4892         (*vec_extractv2di_1_rex64): Likewise.
4893         (*vec_extractv2di_1_avx): Likewise.
4894         (sse2_psadbw): Likewise.
4895         (ssse3_phaddwv8hi3): Likewise.
4896         (ssse3_phaddwv4hi3): Likewise.
4897         (ssse3_phadddv4si3): Likewise.
4898         (ssse3_phadddv2si3): Likewise.
4899         (ssse3_phaddswv8hi3): Likewise.
4900         (ssse3_phaddswv4hi3): Likewise.
4901         (ssse3_phsubwv8hi3): Likewise.
4902         (ssse3_phsubwv4hi3): Likewise.
4903         (ssse3_phsubdv4si3): Likewise.
4904         (ssse3_phsubdv2si3): Likewise.
4905         (ssse3_phsubswv8hi3): Likewise.
4906         (ssse3_phsubswv4hi3): Likewise.
4907         (ssse3_pmaddubsw128): Likewise.
4908         (sse3_pmaddubsw: Likewise.
4909         (ssse3_palignrti): Likewise.
4910         (ssse3_palignrdi): Likewise.
4911
4912 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
4913
4914         * doc/install.texi (Specific): Fix two cross-references to MinGW.
4915
4916 2009-04-06  Richard Guenther  <rguenther@suse.de>
4917
4918         PR tree-optimization/28868
4919         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
4920         of which PHI results we inserted.
4921         (insert_into_preds_of_block): Record inserted PHIs.
4922         (eliminate): Eliminate redundant PHI nodes.
4923         (init_pre): Init inserted_phi_names.
4924
4925 2009-04-06  Richard Guenther  <rguenther@suse.de>
4926
4927         PR tree-optimization/39643
4928         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
4929         IMAGPART_EXPRs of complex constants.
4930         (execute_fold_all_builtins): If we folded a call queue
4931         TODO_update_address_taken.
4932
4933 2009-04-06  Jan Hubicka  <jh@suse.cz>
4934
4935         PR middle-end/39659
4936         * except.c (remove_unreachable_regions): Propagate may_contain_throw
4937         flag.
4938
4939 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
4940
4941         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
4942         delay slot.
4943         (ic_invalidate_array): Likewise.
4944
4945 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
4946
4947         * calls.c (emit_library_call_value_1): Fix a problem with parameter
4948         alignment for library calls.
4949
4950 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
4951
4952         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
4953         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
4954         * config/i386/mingw-stdint.h:  New file.
4955
4956 2009-04-05  Richard Guenther  <rguenther@suse.de>
4957
4958         PR tree-optimization/39648
4959         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
4960         our &A vs. &A[0] IL deficiencies.
4961
4962 2009-04-04  Jan Hubicka  <jh@suse.cz>
4963
4964         * except.c (sjlj_find_directly_reachable_regions): Be ready for
4965         removed toplevel regions.
4966         (sjlj_mark_call_sites): Likewise.
4967
4968 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
4969
4970         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
4971         (cygwin tm clause use_gcc_stdint):  Set to wrap.
4972         * config/i386/cygwin-stdint.h:  New file.
4973
4974 2009-04-04  Richard Guenther  <rguenther@suse.de>
4975
4976         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
4977         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
4978         single-argument PHIs if we are in loop-closed SSA form.
4979         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
4980         for the pre-condition.
4981         (slpeel_tree_peel_loop_to_edge): Likewise.
4982         (vect_build_loop_niters): Take an optional sequence to append stmts.
4983         (vect_generate_tmps_on_preheader): Likewise.
4984         (vect_do_peeling_for_loop_bound): Take extra guards for the
4985         pre-condition.
4986         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
4987         the cost model check.
4988         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
4989         guards if we are going to peel.  Do not apply versioning in that case.
4990         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
4991         (vect_do_peeling_for_loop_bound): Likewise.
4992         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
4993         loop bound only record extra pre-conditions, do not apply loop
4994         versioning.
4995
4996 2009-04-04  Richard Guenther  <rguenther@suse.de>
4997
4998         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
4999         renaming code.
5000
5001 2009-04-04  Jan Hubicka  <jh@suse.cz>
5002
5003         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
5004         last_basic_block for size of bb->index indexed array.
5005         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
5006         compute_out, link_btr_uses, build_btr_def_use_webs,
5007         build_btr_def_use_webs, migrate_btr_defs): Likewise.
5008
5009 2009-04-04  Jan Hubicka  <jh@suse.cz>
5010
5011         * except.c (remove_eh_handler_and_replace): Break out from ...
5012         (remove_eh_handler): ... here.
5013         (bring_to_root): New function.
5014         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
5015         handled ones, bring others to root of tree.
5016
5017 2009-04-04  Jan Hubicka  <jh@suse.cz>
5018
5019         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
5020         (all_phis_safe_to_merge): New function.
5021         (update_info): New structure.
5022         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
5023         (cleanup_empty_eh): Update SSA if possible.
5024
5025 2009-04-04  Richard Guenther  <rguenther@suse.de>
5026
5027         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
5028         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
5029         (append_vuse): Likewise.
5030
5031 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
5032
5033         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
5034         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
5035         instead of REG_UNSAVED for DW_CFA_undefined.
5036         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
5037         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
5038         outermost frame.
5039
5040 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
5041
5042         PR target/39501
5043         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
5044         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
5045         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
5046
5047 2009-04-04  Richard Guenther  <rguenther@suse.de>
5048
5049         PR tree-optimization/8781
5050         PR tree-optimization/37892
5051         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
5052         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
5053         (valueize_refs): Call it for *& valueizations.
5054         (shared_reference_ops_from_ref): Rename to ...
5055         (valueize_shared_reference_ops_from_ref): ... this and valueize.
5056         (shared_reference_ops_from_call): Rename to ...
5057         (valueize_shared_reference_ops_from_call): ... this and valueize.
5058         (vn_reference_lookup): Update.
5059         (visit_reference_op_call): Likewise.
5060         * tree-ssa-pre.c (phi_translate_1): Fold *&.
5061         (eliminate): Value-replace the call address in call statements.
5062
5063 2009-04-04  Richard Guenther  <rguenther@suse.de>
5064
5065         PR tree-optimization/39636
5066         * tree-ssa-forwprop.c
5067         (forward_propagate_addr_into_variable_array_index): Check for
5068         GIMPLE_ASSIGN before accessing the rhs code.
5069
5070 2009-04-03  Jason Merrill  <jason@redhat.com>
5071
5072         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
5073
5074 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
5075
5076         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
5077         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
5078         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
5079         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
5080         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
5081         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
5082         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
5083         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
5084         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
5085         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
5086         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
5087         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
5088         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
5089         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
5090         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
5091         Use fr_reg_or_fp01_operand instead of fr_register_operand
5092
5093         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
5094         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
5095         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
5096
5097 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
5098
5099         PR rtl-optimization/39607
5100         PR rtl-optimization/39631
5101
5102         Revert:
5103
5104         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
5105         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
5106         instead of DF_LR_OUT.
5107         * ira-lives.c (process_bb_node_lives): Ditto.
5108         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
5109         instead of DF_LR_{OUT,IN}.
5110         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
5111         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
5112
5113 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
5114
5115         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
5116         (execute_lower_omp): Always run but take the short way out if -fopenmp
5117         is not given.
5118         (gate_lower_omp): Remove, forcing the pass manager to always run the
5119         pass and always set PROP_gimple_lomp.
5120         (pass_lower_omp): Remove gate function.
5121         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
5122         PROP_trees.  Instead, require it.
5123         * ipa-cp.c (pass_ipa_cp): Likewise.
5124         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
5125         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
5126         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
5127         and PROP_gimple_leh.
5128
5129 2009-04-03  Richard Guenther  <rguenther@suse.de>
5130
5131         PR middle-end/13146
5132         PR tree-optimization/23940
5133         PR tree-optimization/33237
5134         PR middle-end/33974
5135         PR middle-end/34093
5136         PR tree-optimization/36201
5137         PR tree-optimization/36230
5138         PR tree-optimization/38049
5139         PR tree-optimization/38207
5140         PR tree-optimization/38230
5141         PR tree-optimization/38301
5142         PR tree-optimization/38585
5143         PR middle-end/38895
5144         PR tree-optimization/38985
5145         PR tree-optimization/39299
5146         * tree-ssa-structalias.h: Remove.
5147         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
5148         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
5149         (struct vuse_element_d): Remove.
5150         (struct vuse_vec_d): Likewise.
5151         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
5152         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
5153         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
5154         VUSE_ELEMENT_VAR): Likewise.
5155         (struct voptype_d): Likewise.
5156         (NUM_VOP_FREE_BUCKETS): Likewise.
5157         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
5158         (struct stmt_operands_d): Remove.
5159         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
5160         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
5161         VDEF_NUM, VDEF_VECT): Likewise.
5162         (copy_virtual_operands): Remove.
5163         (operand_build_cmp): Likewise.
5164         (create_ssa_artificial_load_stmt): Likewise.
5165         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
5166         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
5167         vuse_index and mayuse_index members.  Pack and move done and iter_type
5168         members to the front.
5169         (SSA_OP_VMAYUSE): Remove.
5170         (SSA_OP_VIRTUAL_USES): Adjust.
5171         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
5172         (unlink_stmt_vdef): Declare.
5173         (add_to_addressable_set): Remove.
5174         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
5175         (vrp_visit_stmt): Likewise.
5176         * doc/tree-ssa.texi (Alias analysis): Update.
5177         * doc/invoke.texi (max-aliased-vops): Remove docs.
5178         (avg-aliased-vops): Likewise.
5179         * tree-into-ssa.c (syms_to_rename): Remove.
5180         (need_to_update_vops_p): Likewise.
5181         (need_to_initialize_update_ssa_p): Rename to ...
5182         (update_ssa_initialized_fn): ... this.  Track function we are
5183         initialized for.
5184         (symbol_marked_for_renaming): Simplify.
5185         (add_new_name_mapping): Do not set need_to_update_vops_p.
5186         (dump_currdefs): Use SYMS_TO_RENAME.
5187         (rewrite_update_stmt): Always walk all uses/defs.
5188         (dump_update_ssa): Adjust.
5189         (init_update_ssa): Take function argument.  Track what we are
5190         initialized for.
5191         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
5192         (create_new_def_for): Initialize for cfun, assert we are initialized
5193         for cfun.
5194         (mark_sym_for_renaming): Simplify.
5195         (mark_set_for_renaming): Do not initialize update-ssa.
5196         (need_ssa_update_p): Simplify.  Take function argument.
5197         (name_mappings_registered_p): Assert we ask for the correct function.
5198         (name_registered_for_update_p): Likewise.
5199         (ssa_names_to_replace): Likewise.
5200         (release_ssa_name_after_update_ssa): Likewise.
5201         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
5202         (dump_decl_set): Do not print a newline.
5203         (debug_decl_set): Do it here.
5204         (dump_update_ssa): And here.
5205         * tree-ssa-loop-im.c (move_computations): Adjust.
5206         (movement_possibility): Likewise.
5207         (determine_max_movement): Likewise.
5208         (gather_mem_refs_stmt): Likewise.
5209         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
5210         or NAME_MEMORY_TAG.
5211         * tree-complex.c (update_all_vops): Remove.
5212         (expand_complex_move): Adjust.
5213         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
5214         Simplify test for memory referencing statement.  Exclude
5215         non-invariant ADDR_EXPRs.
5216         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
5217         * tree-loop-distribution.c (generate_memset_zero): Adjust.
5218         (rdg_flag_uses): Likewise.
5219         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
5220         related code.
5221         (tree_optimize_tail_calls_1): Also split the
5222         edge from the entry block if we have degenerate PHI nodes in
5223         the first basic block.
5224         * tree.c (init_ttree): Remove memory-tag related code.
5225         (tree_code_size): Likewise.
5226         (tree_node_structure): Likewise.
5227         (build7_stat): Re-write to be build6_stat.
5228         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
5229         (SSA_VAR_P): Adjust.
5230         (struct tree_memory_tag): Remove.
5231         (struct tree_memory_partition_tag): Likewise.
5232         (union tree_node): Adjust.
5233         (build7): Re-write to be build6.
5234         * tree-pass.h (pass_reset_cc_flags): Remove.
5235         (TODO_update_address_taken): New flag.
5236         (pass_simple_dse): Remove.
5237         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
5238         * params.h (MAX_ALIASED_VOPS): Remove.
5239         (AVG_ALIASED_VOPS): Likewise.
5240         * omp-low.c (expand_omp_taskreg): Update SSA form.
5241         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
5242         aliases the lhs in a copy stmt.
5243         * tree-ssa-dse.c (struct address_walk_data): Remove.
5244         (memory_ssa_name_same): Likewise.
5245         (memory_address_same): Likewise.
5246         (get_kill_of_stmt_lhs): Likewise.
5247         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
5248         unused stores.  Look through PHI nodes into post-dominated regions.
5249         (dse_optimize_stmt): Simplify.  Properly remove stores.
5250         (tree_ssa_dse): Compute dominators.
5251         (execute_simple_dse): Remove.
5252         (pass_simple_dse): Likewise.
5253         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
5254         gimple_loaded_syms and gimple_stored_syms computation.
5255         * toplev.c (dump_memory_report): Dump alias and pta stats.
5256         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
5257         (vn_reference_eq): Likewise.
5258         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
5259         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
5260         valueize_vuses): Remove.
5261         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
5262         (get_def_ref_stmt_vuse): ... this.
5263         (vn_reference_lookup_2): New function.
5264         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
5265         walking equivalent vuses.  Simplify.
5266         (vn_reference_lookup): Likewise.
5267         (vn_reference_insert): Likewise.
5268         (vn_reference_insert_pieces): Likewise.
5269         (visit_reference_op_call): Simplify.
5270         (visit_reference_op_load): Likewise.
5271         (visit_reference_op_store): Likewise.
5272         (init_scc_vn): Remove shared_lookup_vuses initialization.
5273         (free_scc_vn): Remove shared_lookup_vuses freeing.
5274         (sort_vuses, sort_vuses_heap): Remove.
5275         (get_ref_from_reference_ops): Export.
5276         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
5277         vector with single vuse pointer.
5278         (vn_reference_lookup_pieces, vn_reference_lookup,
5279         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
5280         (shared_vuses_from_stmt): Remove.
5281         (get_ref_from_reference_ops): Declare.
5282         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
5283         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
5284         memory-tag related code.
5285         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
5286         (likely_value): Add comment, skip static-chain of call statements.
5287         (surely_varying_stmt_p): Adjust.
5288         (gimplify_and_update_call_from_tree): Likewise.
5289         (execute_fold_all_builtins): Do not rebuild alias info.
5290         (gimplify_and_update_call_from_tree): Properly update VOPs.
5291         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
5292         (copy_ref_info): Remove memory-tag related code.
5293         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
5294         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
5295         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
5296         computation.
5297         * tree-ssa-dom.c (gimple_p): Remove typedef.
5298         (eliminate_redundant_computations): Adjust.
5299         (record_equivalences_from_stmt): Likewise.
5300         (avail_expr_hash): Likewise.
5301         (avail_expr_eq): Likewise.
5302         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
5303         (stmt_makes_single_load): Likewise.
5304         (stmt_makes_single_store): Likewise.
5305         * tree-ssa-alias.c: Rewrite completely.
5306         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
5307         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
5308         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
5309         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
5310         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
5311         Remove public functions.
5312         (pass_reset_cc_flags): Remove.
5313         (pass_build_alias): Move ...
5314         * tree-ssa-structalias.c (pass_build_alias): ... here.
5315         * tree-ssa-alias.c (may_be_aliased): Move ...
5316         * tree-flow-inline.h (may_be_aliased): ... here.
5317         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
5318         count_uses_and_derefs): Move ...
5319         * gimple.c: ... here.
5320         * gimple.h (count_uses_and_derefs): Declare.
5321         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
5322         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
5323         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
5324         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
5325         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
5326         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
5327         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
5328         New functions.
5329         * tree-dfa.c (refs_may_alias_p): Move ...
5330         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
5331         * tree-ssa-alias.h: New file.
5332         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
5333         (statement_sink_location): Likewise.
5334         * opts.c (decode_options): Do not adjust max-aliased-vops or
5335         avg-aliased-vops values.
5336         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
5337         (TV_CALL_CLOBBER): Likewise.
5338         (TV_FLOW_SENSITIVE): Likewise.
5339         (TV_FLOW_INSENSITIVE): Likewise.
5340         (TV_MEMORY_PARTITIONING): Likewise.
5341         (TV_ALIAS_STMT_WALK): New timevar.
5342         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
5343         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
5344         (get_address_description): Remove memory-tag related code.
5345         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
5346         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
5347         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
5348         and immediate uses in statements.  Document.
5349         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
5350         (dump_symbols): Remove.
5351         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
5352         * alias.c (get_deref_alias_set): New function split out from ...
5353         (get_alias_set): ... here.
5354         * alias.h (get_deref_alias_set): Declare.
5355         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
5356         type parameter.  Remove restrict pointer handling.  Create a
5357         ref-all pointer in case type-based alias sets do not conflict.
5358         (vect_analyze_data_refs): Remove SMT related code.
5359         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
5360         (vectorizable_load): Likewise.
5361         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
5362         (DR_SYMBOL_TAG, DR_VOPS): Remove.
5363         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
5364         Ignore vops and SMTs.
5365         (dr_analyze_alias): Likewise..
5366         (free_data_ref): Likewise.
5367         (create_data_ref): Likewise.
5368         (analyze_all_data_dependences): Likewise.
5369         (get_references_in_stmt): Adjust.
5370         * tree-flow-inline.h (gimple_aliases_computed_p,
5371         gimple_addressable_vars, gimple_call_clobbered_vars,
5372         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
5373         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
5374         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
5375         gimple_mem_ref_stats): Remove.
5376         (gimple_vop): New function.
5377         (op_iter_next_use): Remove vuses and mayuses cases.
5378         (op_iter_next_def): Remove vdefs case.
5379         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
5380         (clear_and_done_ssa_iter): Do not set removed fields.
5381         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
5382         Assert we are not iterating over vuses or vdefs if not also
5383         iterating over uses or defs.
5384         (op_iter_init_use): Likewise.
5385         (op_iter_init_def): Likewise.
5386         (op_iter_next_vdef): Remove.
5387         (op_iter_next_mustdef): Likewise.
5388         (op_iter_init_vdef): Likewise.
5389         (compare_ssa_operands_equal): Likewise.
5390         (link_use_stmts_after): Handle vuse operand.
5391         (is_call_used): Use is_call_clobbered.
5392         (is_call_clobbered): Global variables are always call clobbered,
5393         query the call-clobbers bitmap.
5394         (mark_call_clobbered): Ignore global variables.
5395         (clear_call_clobbered): Likewise.
5396         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
5397         virtual operands sanity check.
5398         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
5399         Remove.
5400         (TARGET_MEM_REF): Remove TMR_TAG operand.
5401         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
5402         Remove call-clobber related code.
5403         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
5404         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
5405         partitions or escape reason.
5406         (get_single_def_stmt, get_single_def_stmt_from_phi,
5407         get_single_def_stmt_with_phi): Remove.
5408         (dump_referenced_vars): Tidy.
5409         (get_ref_base_and_extent): Allow bare decls.
5410         (collect_dfa_stats): Adjust.
5411         * graphite.c (rename_variables_in_stmt): Adjust.
5412         (graphite_copy_stmts_from_block): Likewise.
5413         (translate_clast): Likewise.
5414         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
5415         (EXPR_DIES): New.
5416         (translate_vuse_through_block): Use the oracle.
5417         (phi_translate_1): Adjust.
5418         (value_dies_in_block_x): Use the oracle.  Cache the outcome
5419         in EXPR_DIES.
5420         (valid_in_sets): Check if the VUSE for
5421         a REFERENCE is available.
5422         (eliminate): Do not remove stmts during elimination,
5423         instead queue and remove them afterwards.
5424         (do_pre): Do not rebuild alias info.
5425         (pass_pre): Run TODO_rebuild_alias before PRE.
5426         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
5427         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
5428         (mark_all_v_defs_stmt): Remove.
5429         (mark_all_v_defs_seq): Adjust.
5430         (sra_replace): Likewise.
5431         (scalarize_use): Likewise.
5432         (scalarize_copy): Likewise.
5433         (scalarize_init): Likewise.
5434         (scalarize_ldst): Likewise.
5435         (todoflags): Remove.
5436         (tree_sra): Do not rebuild alias info.
5437         (tree_sra_early): Adjust.
5438         (pass_sra): Run TODO_update_address_taken before SRA.
5439         * tree-predcom.c (set_alias_info): Remove.
5440         (prepare_initializers_chain): Do not call it.
5441         (mark_virtual_ops_for_renaming): Adjust.
5442         (mark_virtual_ops_for_renaming_list): Remove.
5443         (initialize_root_vars): Adjust.
5444         (initialize_root_vars_lm): Likewise.
5445         (prepare_initializers_chain): Likewise.
5446         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
5447         (may_propagate_copy_into_stmt): Likewise.
5448         (merge_alias_info): Do nothing for now.
5449         (propagate_tree_value_into_stmt): Adjust.
5450         (stmt_may_generate_copy): Likewise.
5451         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
5452         not mark symbols for renaming.
5453         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
5454         with the same statement, make sure to update the new pointed-to one.
5455         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
5456         call statements, do not mark symbols for renaming.
5457         (mark_operand_necessary): Dump something.
5458         (ref_may_be_aliased): New function.
5459         (mark_aliased_reaching_defs_necessary_1): New helper function.
5460         (mark_aliased_reaching_defs_necessary): Likewise.
5461         (mark_all_reaching_defs_necessary_1): Likewise.
5462         (mark_all_reaching_defs_necessary): Likewise.
5463         (propagate_necessity): Do not process virtual PHIs.  For
5464         non-aliased loads mark all reaching definitions as necessary.
5465         For aliased loads and stores mark the immediate dominating
5466         aliased clobbers as necessary.
5467         (visited): New global static.
5468         (perform_tree_ssa_dce): Free visited bitmap after propagating
5469         necessity.
5470         (remove_dead_phis): Perform simple dead virtual PHI removal.
5471         (remove_dead_stmt): Properly unlink virtual operands when
5472         removing stores.
5473         (eliminate_unnecessary_stmts): Schedule PHI removal after
5474         stmt removal.
5475         * tree-ssa-ter.c (is_replaceable_p): Adjust.
5476         (process_replaceable): Likewise.
5477         (find_replaceable_in_bb): Likewise.
5478         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
5479         based on the single gimple vop.
5480         (verify_flow_insensitive_alias_info): Remove.
5481         (verify_flow_sensitive_alias_info): Likewise.
5482         (verify_call_clobbering): Likewise.
5483         (verify_memory_partitions): Likewise.
5484         (verify_alias_info): Likewise.
5485         (verify_ssa): Adjust..
5486         (execute_update_addresses_taken): Export.  Update SSA
5487         manually.  Optimize only when optimizing.  Use a local bitmap.
5488         (pass_update_address_taken): Remove TODO_update_ssa, add
5489         TODO_dump_func.
5490         (pass_update_address_taken): Just use TODO_update_address_taken.
5491         (init_tree_ssa): Do not initialize addressable_vars.
5492         (verify_ssa): Verify new VUSE / VDEF properties.
5493         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
5494         Do not call verify_alias_info.
5495         (delete_tree_ssa): Clear the VUSE, VDEF operands.
5496         Do not free the loaded and stored syms bitmaps.  Reset the escaped
5497         and callused solutions.  Do not free addressable_vars.
5498         Remove memory-tag related code.
5499         (warn_uninitialized_var): Aliases are always available.
5500         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
5501         * lambda-code.c (can_put_in_inner_loop): Adjust.
5502         (can_put_after_inner_loop): Likewise.
5503         (perfect_nestify): Likewise.
5504         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
5505         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
5506         (vectorizable_conversion): Do not mark symbols for renaming.
5507         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
5508         (expand_call_inline): Unlink the calls virtual operands before
5509         replacing it.
5510         (tree_function_versioning): Do not call update_ssa if we are not
5511         updating clones.  Simplify.
5512         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
5513         (propagate_with_phi): Likewise..
5514         * tree-outof-ssa.c (create_temp): Remove memory tag and call
5515         clobber code.  Assert we are not aliased or global.
5516         * tree-flow.h: Include tree-ssa-alias.h
5517         (enum escape_type): Remove.
5518         (struct mem_sym_stats_d): Likewise.
5519         (struct mem_ref_stats_d): Likewise.
5520         (struct gimple_df): Add vop member.  Remove global_var,
5521         call_clobbered_vars, call_used_vars, addressable_vars,
5522         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
5523         escaped and callused members.
5524         (struct ptr_info_def): Remove all members, add points-to solution
5525         member pt.
5526         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
5527         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
5528         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
5529         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
5530         (tree-ssa-alias.o): Likewise.
5531         (toplev.o): Add tree-ssa-alias.h
5532         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
5533         * gimple.c (gimple_set_bb): Fix off-by-one error.
5534         (is_gimple_reg): Do not handle memory tags.
5535         (gimple_copy): Also copy virtual operands.
5536         Delay updating the statement.  Do not reset loaded and stored syms.
5537         (gimple_set_stored_syms): Remove.
5538         (gimple_set_loaded_syms): Likewise.
5539         (gimple_call_copy_skip_args): Copy the virtual operands
5540         and mark the new statement modified.
5541         * tree-ssa-structalias.c (may_alias_p): Remove.
5542         (set_uids_in_ptset): Take the alias set to prune with as
5543         parameter.  Fold in the alias test of may_alias_p.
5544         (compute_points_to_sets): Compute whether a ptr is dereferenced
5545         in a local sbitmap.
5546         (process_constraint): Deal with &ANYTHING on the lhs, reject all
5547         other ADDRESSOF constraints on the lhs.
5548         (get_constraint_for_component_ref): Assert that we don't get
5549         ADDRESSOF constraints from the base of the reference.
5550         Properly generate UNKNOWN_OFFSET for DEREF if needed.
5551         (struct variable_info): Remove collapsed_to member.
5552         (get_varinfo_fc): Remove.
5553         (new_var_info): Do not set collapsed_to.
5554         (dump_constraint): Do not follow cycles.
5555         (dump_constraint_graph): Likewise.
5556         (build_pred_graph): Likewise.
5557         (build_succ_graph): Likewise.
5558         (rewrite_constraints): Likewise.
5559         (do_simple_structure_copy): Remove.
5560         (do_rhs_deref_structure_copy): Remove.
5561         (do_lhs_deref_structure_copy): Remove.
5562         (collapse_rest_of_var): Remove.
5563         (do_structure_copy): Re-implement.
5564         (pta_stats): New global variable.
5565         (dump_pta_stats): New function.
5566         (struct constraint_expr): Make offset signed.
5567         (UNKNOWN_OFFSET): Define special value.
5568         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
5569         (solution_set_expand): New helper function split out from ...
5570         (do_sd_constraint): ... here.
5571         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
5572         (do_ds_constraint): Likewise.
5573         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
5574         and CALLUSED = *CALLUSED.
5575         (set_union_with_increment): Make inc argument signed.
5576         (type_safe): Remove.
5577         (get_constraint_for_ptr_offset): Handle unknown and negative
5578         constant offsets.
5579         (first_vi_for_offset): Handle offsets before start.  Bail
5580         out early for offsets beyond the variable extent.
5581         (first_or_preceding_vi_for_offset): New function.
5582         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
5583         Together with ESCAPED = *ESCAPED this properly computes reachability.
5584         (find_what_var_points_to): New function.
5585         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
5586         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
5587         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
5588         pt_solutions_intersect): New functions.
5589         (compute_call_used_vars): Remove.
5590         (compute_may_aliases): New main entry into PTA computation.
5591         * gimple.h (gimple_p): New typedef.
5592         (struct gimple_statement_base): Remove references_memory_p.
5593         (struct gimple_statement_with_memory_ops_base): Remove
5594         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
5595         members.
5596         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
5597         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
5598         gimple_set_references_memory): Remove.
5599         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
5600         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
5601         New functions.
5602         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
5603         (verify_expr): Allow RESULT_DECL.
5604         (gimple_duplicate_bb): Do not copy virtual operands.
5605         (gimple_duplicate_sese_region): Adjust.
5606         (gimple_duplicate_sese_tail): Likewise.
5607         (mark_virtual_ops_in_region): Remove.
5608         (move_sese_region_to_fn): Do not call it.
5609         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
5610         and pass_simple_dse.
5611         (execute_function_todo): Handle TODO_update_address_taken,
5612         call execute_update_addresses_taken for TODO_rebuild_alias.
5613         (execute_todo): Adjust.
5614         (execute_one_pass): Init dump files early.
5615         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
5616         call-clobbered.
5617         (create_general_new_stmt): Clear vops.
5618         * tree-ssa-reassoc.c (get_rank): Adjust.
5619         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
5620         symbols for renaming.
5621         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
5622         (PARAM_AVG_ALIASED_VOPS): Likewise.
5623         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
5624         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
5625         * tree-ssa-operands.c: Simplify for new virtual operand representation.
5626         (operand_build_cmp, copy_virtual_operands,
5627         create_ssa_artificial_load_stmt, add_to_addressable_set,
5628         gimple_add_to_addresses_taken): Remove public functions.
5629         (unlink_stmt_vdef): New function.
5630
5631 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
5632
5633         * config.gcc (powerpc-*-linux*): Merge variants.
5634
5635 2009-04-02  Chao-ying Fu  <fu@mips.com>
5636             James Grosbach  <james.grosbach@microchip.com>
5637
5638         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
5639         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
5640         cop0_sp_offset.
5641         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
5642         keep_interrupts_masked_p, use_debug_exception_return_p.
5643         (mips_attribute_table): Add interrupt, use_shadow_register_set,
5644         keep_interrupts_masked, use_debug_exception_return.
5645         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
5646         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
5647         New functions.
5648         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
5649         (mips_print_operand): Process COP0 registers to print $0 .. $31
5650         correctly for GAS to process.
5651         (mips_interrupt_extra_call_saved_reg_p): New function.
5652         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
5653         extra registers.
5654         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
5655         (mips_compute_frame_info): Add supports for interrupt context that
5656         includes doubleword accumulators and COP0 registers.
5657         (mips_for_each_saved_acc): New function.
5658         (mips_for_each_saved_gpr_and_fpr): Change the function name from
5659         mips_for_each_saved_reg.
5660         (mips_save_reg): Save accumulators.
5661         (mips_kernel_reg_p): A new for_each_rtx callback.
5662         (mips_expand_prologue): Support interrupt handlers.
5663         (mips_restore_reg): Restore accumulators.
5664         (mips_expand_epilogue): Support interrupt handlers.
5665         (mips_can_use_return_insn): Return false for interrupt handlers.
5666         (mips_epilogue_uses): New function.
5667         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
5668         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
5669         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
5670         cop0_move): New instructions.
5671         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
5672         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
5673         defines.
5674         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
5675         New defines.
5676         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
5677         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
5678         interrupt handlers, we use K0 as the temporary register.
5679         (EPILOGUE_USES): Change to a function call.
5680         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
5681         handlers, we use K0 as the temporary register.
5682
5683         * doc/extend.texi (Function Attributes): Document interrupt,
5684         use_shadow_register_set, keep_interrupts_masked,
5685         use_debug_exception_return for MIPS attributes.
5686
5687 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
5688
5689         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
5690         Remove a number of t-files from tmake_file.
5691         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
5692         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
5693         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
5694         target_prototype, not TARGET_PROTOTYPE.
5695         (LINK_OS_GNU_SPEC): Define.
5696         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
5697         and darwin-ldoubdle.c.
5698
5699 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
5700
5701         PR driver/39293
5702         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
5703         (cpp_options): Ditto.
5704         (default_compilers): Ditto.
5705         (display_help): Ditto.
5706         (process_command): Ditto.
5707         (do_spec_1): Ditto.
5708         (set_input): Use lbasename instead of duplicate code.
5709         (save_temps_prefix): New static for -save-temps=obj.
5710         (save_temps_length): Ditto.
5711
5712         * doc/invoke.texi (-save-temps=obj): Document new variant to
5713         -save-temps switch.
5714
5715 2009-04-02  Jeff Law  <law@redhat.com>
5716
5717         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
5718         variable.
5719
5720 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
5721
5722         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
5723         * configure: Regenerated.
5724
5725 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
5726
5727         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
5728         share the argument list.
5729
5730 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
5731
5732         Merge
5733
5734         2009-02-12  Diego Novillo  <dnovillo@google.com>
5735
5736         * varpool.c (debug_varpool): New.
5737         * cgraph.h (debug_varpool): Declare.
5738
5739 2009-04-02  Jan Hubicka  <jh@suse.cz>
5740
5741         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
5742         pass.
5743
5744 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
5745
5746         * config/i386/i386.c (ix86_abi): Move initialization to ...
5747         (override_options): Here.
5748
5749 2009-04-02  Christian Bruel  <christian.bruel@st.com>
5750
5751         * config/sh/sh.c (sh_dwarf_register_span): New function.
5752         (TARGET_DWARF_REGISTER_SPAN): Define.
5753         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
5754
5755 2009-04-02  Ira Rosen  <irar@il.ibm.com>
5756
5757         PR tree-optimization/39595
5758         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
5759         interleaved loads group is not  greater than the SLP group size.
5760
5761 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
5762
5763         * builtins.c (is_builtin_name): New.
5764         (called_as_built_in): Use is_builtin_name.
5765         * tree.h (is_builtin_name): New.
5766         * varasm.c (incorporeal_function_p): Use is_builtin_name
5767
5768 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
5769
5770         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
5771
5772 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
5773
5774         PR c++/26693
5775         * c-decl.c (clone_underlying_type): Move this ...
5776         * c-common.c (set_underlying_type): ... here.
5777         Also, make sure the function properly sets TYPE_STUB_DECL() on
5778         the newly created typedef variant type.
5779         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
5780         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
5781         points.
5782
5783 2009-04-02  Richard Guenther  <rguenther@suse.de>
5784
5785         PR tree-optimization/37221
5786         * tree-flow.h (degenerate_phi_result): Declare.
5787         * tree-ssa-dom.c (degenerate_phi_result): Export.
5788         * tree-scalar-evolution.c (analyze_initial_condition): If
5789         the initial condition is defined by a degenerate PHI node
5790         use the degenerate value.
5791
5792 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
5793
5794         PR rtl-optimization/39588
5795         * combine.c (merge_outer_ops): Do not set the constant when this
5796         is not necessary.
5797         (simplify_shift_const_1): Do not modify it either in this case.
5798
5799 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
5800
5801         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
5802         tuning is deprecated if -mtune value is set to an Itanium1 variant.
5803
5804 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
5805
5806         PR c/29027
5807         * c-lex.c (interpret_float): Default (no suffix) is double.
5808
5809 2009-04-1  Xinliang David Li  <davidxl@google.com>
5810
5811         * config/i386/i386.c (legitimate_constant_p): Recognize
5812         all one vector constant.
5813
5814 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5815
5816         * config/vax/vax.c: Add #includes to silence warnings.
5817         Change #include order to silence two warnings.
5818
5819 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5820
5821         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
5822         (ASM_SPEC): Pass -k to the assembler for PIC code.
5823
5824 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5825
5826         * config.gcc: Add vax-*-linux* to the switch.
5827         * config/vax/linux.h: New file. (TARGET_VERSION,
5828         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
5829
5830 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5831
5832         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
5833         Use predicate macros instead of GET_CODE() == foo.
5834         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
5835         ashlsi3, rotrsi3, <unnamed>): Likewise.
5836
5837 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5838
5839         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
5840         jbbccihi, jbbccisi): Remova trailing whitespace.
5841         * config/vax/constraints.md: Likewise.
5842         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
5843         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
5844         * config/vax/predicates.md: Likewise.
5845         * config/vax/vax.c (print_operand_address, vax_output_int_move,
5846         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
5847         * config/vax/vax.h: Likewise.
5848         * config/vax/vax.md (nonlocal_goto): Likewise.
5849
5850 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5851
5852         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
5853         (indirectable_address_p, adjacent_operands_p): Add spaces around
5854         braces.
5855         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
5856
5857 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5858
5859         * config/vax/vax.c (legitimate_constant_address_p,
5860         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
5861         index_term_p, reg_plus_index_p, legitimate_address_p,
5862         vax_mode_dependent_address_p): Update comments to match functions
5863         modified by the recent int->bool conversion.
5864
5865 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5866
5867         * config/vax/builtins.md: Update copyright message.
5868         * config/vax/constraints.md: Likewise.
5869         * config/vax/netbsd-elf.h: Likewise.
5870         * config/vax/predicates.md: Likewise.
5871         * config/vax/vax-protos.h: Likewise.
5872         * config/vax/vax.c: Likewise.
5873         * config/vax/vax.h: Likewise.
5874         * config/vax/vax.md: Likewise.
5875         * config/vax/vax.opt: Likewise.
5876
5877 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5878
5879         * config/vax/builtins.md (ffssi2, ffssi2_internal,
5880         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
5881         * config/vax/constraints.md (B, R): Likewise.
5882         * config/vax/predicates.md (external_memory_operand,
5883         nonimmediate_addsub_di_operand): Likewise.
5884         * config/vax/vax.c (vax_output_int_add): Likewise.
5885         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
5886         untyped_call): Likewise.
5887
5888 2009-04-01  Matt Thomas  <matt@3am-software.com>
5889
5890         * config/vax/predicates.md: New file.
5891         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
5892         external_const_operand, nonsymbolic_operand, external_memory_operand,
5893         indirect_memory_operand, indexed_memory_operand,
5894         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
5895         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
5896         predicate.
5897         * config/vax/constraints.md: New file.
5898         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
5899         New constraint.
5900         * config/vax/builtins.md: New file.
5901         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
5902         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
5903         jbbccisi): Define.
5904         * config/vax/vax.opt (mqmath): Add option.
5905         * config/vax/vax.md (isfx): Extend with DI.
5906         (VAXintQH, VAXintQHSD): Define.
5907         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
5908         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
5909         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
5910         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
5911         (movdi): Update constraints and use vax_output_int_move().
5912         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
5913         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
5914         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
5915         nonlocal_goto): New.
5916         (mov<mode>): Extend accepted operand types.
5917         (subdi3_old): Rename from subdi3, change update constraints and use
5918         a new implementation.
5919         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
5920         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
5921         MOVE_RATIO, CLEAR_RATIO): Define.
5922         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
5923         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5924         (PRINT_OPERAND): Redefine using a function instead of inlined code.
5925         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
5926         (split_quadword_operands): Make static and really allow variable
5927         splitting.
5928         (print_operand_address): Update for PIC generation.
5929         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
5930         indexable_address_p, fixup_mathdi_operand,
5931         vax_expand_addsub_di_operands, adjacent_operands_p): New.
5932         (vax_float_literal, legitimate_constant_p,
5933         indirectable_constant_address_p, index_term_p,
5934         reg_plus_index_p): Return bool instead of int.
5935         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
5936         where needed.
5937         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
5938         generation.
5939         (vax_output_conditional_branch): Indent.
5940         (legitimate_constant_address_p, indirectable_constant_address_p,
5941         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
5942         vax_mode_dependent_address_p): Return bool instead of int, update for
5943         PIC generation.
5944         * config/vax/vax-protos.h (legitimate_constant_address_p,
5945         legitimate_constant_p, legitimate_address_p,
5946         vax_mode_dependent_address_p): Change declaration to bool.
5947         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
5948         vax_expand_addsub_di_operands, vax_output_int_subtract,
5949         vax_output_movmemsi): Declare.
5950         (split_quadword_operands, vax_float_literal): Delete declaration.
5951         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
5952         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
5953         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
5954         ASM_OUTPUT_DWARF_PCREL): Define.
5955         (ASM_SPEC): Change definition to allow PIC generation.
5956
5957 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
5958
5959         * doc/sourcebuild.texi: Update front-end requirements.
5960
5961 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
5962
5963         PR target/39226
5964         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
5965         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
5966         (booldi3_internal3): Use boolean_or_operator instead of
5967         boolean_operator.
5968
5969 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
5970
5971         PR c/39605
5972         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
5973         declarator whose size is not an integer constant expression but
5974         folds to an integer constant, then treat it as a constant
5975         subsequently.
5976
5977 2009-04-01  Richard Guenther  <rguenther@suse.de>
5978
5979         * fold-const.c (fold_plusminus_mult_expr): Do not fold
5980         i * 4 + 2 to (i * 2 + 1) * 2.
5981
5982 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
5983
5984         PR c/37772
5985         * c-parser.c (c_parser_asm_statement): Skip until close paren and
5986         return if c_parser_asm_string_literal returned NULL.
5987
5988 2009-04-01  Nick Clifton  <nickc@redhat.com>
5989
5990         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
5991         already defined.
5992         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
5993         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
5994         other typedefs to avoid conflicts with libgcc2.c.  Define labels
5995         to gain 16-bit bit-manipulation functions from libgcc2.c and then
5996         include it.
5997         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
5998         to gain 16-bit trapping arithmetic functions from libgcc2.c and
5999         then include it.
6000
6001 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
6002
6003         * varasm.c (default_function_rodata_section): Declare DOT as
6004         const char*.
6005
6006 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
6007             Andrey Galkin  <agalkin@hypercom.com>
6008
6009         PR/39492
6010         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
6011         Make object_name unique for each process.
6012
6013 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6014
6015         PR other/39591
6016         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
6017         addressable variables in the parallel that could go out of scope while
6018         running queued tasks.
6019
6020 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
6021
6022         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
6023         (CASE_VALUES_THRESHOLD): Redefine.
6024         * config/avr/avr.c (avr_override_options): Remove initialization of
6025         avr_case_values_threshold variable.
6026         (avr_case_values_threshold): Remove variable. Add new function.
6027         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
6028         * config/avr/avr.opt (mno-tablejump): Remove option.
6029         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
6030
6031 2009-04-01  DJ Delorie  <dj@redhat.com>
6032
6033         * varasm.c (default_function_rodata_section): Don't assume
6034         anything about where the first '.' in the section name is.
6035
6036 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
6037
6038         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
6039         rs6000_emit_stack_tie.
6040
6041 2009-03-31  Ian Lance Taylor  <iant@google.com>
6042
6043         * tree-eh.c (tree_remove_unreachable_handlers): Compare
6044         gimple_code with GIMPLE_RESX, not RESX.
6045
6046 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6047
6048         * c-common.c (c_get_ident): New.
6049         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
6050
6051 2009-04-01  Ben Elliston  <bje@au.ibm.com>
6052
6053         * config/rs6000/sysv4.opt (msdata): Improve option description.
6054
6055 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
6056
6057         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
6058         (divdf3_internal_lat): Remove.
6059         (divxf3_internal_lat): Remove.
6060         (divxf3_internal_thr): Remove.
6061         (divxf): Use divxf3_internal.
6062         * config/ia64/div.md (divsf3_internal_lat): New.
6063         (divdf3_internal_lat): New.
6064         (divxf3_internal): New.
6065
6066 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6067
6068         PR c/448
6069         * Makefile.in (USE_GCC_STDINT): Define.
6070         (stmp-int-hdrs): Install stdint.h if applicable.
6071         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
6072         if known.
6073         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
6074         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
6075         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
6076         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6077         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6078         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6079         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6080         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6081         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
6082         (c_common_nodes_and_builtins): Initialize
6083         underlying_wchar_type_node.  Do not initialize
6084         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
6085         nodes for new types.
6086         (c_stddef_cpp_builtins): Define macros for new types.
6087         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
6088         Remove.
6089         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
6090         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
6091         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
6092         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
6093         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
6094         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
6095         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
6096         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
6097         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
6098         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
6099         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
6100         int16_type_node, int32_type_node, int64_type_node,
6101         uint8_type_node, uint16_type_node, c_uint32_type_node,
6102         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
6103         int_least32_type_node, int_least64_type_node,
6104         uint_least8_type_node, uint_least16_type_node,
6105         uint_least32_type_node, uint_least64_type_node,
6106         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
6107         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
6108         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
6109         uintptr_type_node): Define.
6110         * c-cppbuiltin.c (builtin_define_constants,
6111         builtin_define_type_minmax): New.
6112         (builtin_define_stdint_macros): Define more macros.
6113         (c_cpp_builtins): Define more limit macros.
6114         (type_suffix): New.
6115         (builtin_define_type_max): Define in terms of
6116         builtin_define_type_minmax.  Remove is_long parameter.  All
6117         callers changed.
6118         * config.gcc (use_gcc_stdint): Define.
6119         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
6120         Add newlib-stdint.h for generic targets.
6121         * config/glibc-stdint.h, config/newlib-stdint.h,
6122         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
6123         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
6124         * config/score/score.h (UINTPTR_TYPE): Define.
6125         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
6126         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
6127         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6128         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6129         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6130         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6131         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6132         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
6133         * config/spu/spu.h (STDINT_LONG32): Define.
6134         * configure.ac (use_gcc_stdint): Substitute.
6135         * configure: Regenerate.
6136         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
6137         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
6138         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
6139         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
6140         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
6141         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
6142         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
6143         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
6144         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
6145         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
6146         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
6147         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
6148         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
6149         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
6150         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
6151         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
6152         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
6153         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
6154         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
6155         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
6156         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
6157         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
6158         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
6159         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6160         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6161         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6162         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6163         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6164         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
6165
6166 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
6167
6168         * loop-iv.c (suitable_set_for_replacement): Renamed from
6169         simplify_using_assignment; changed to return bool and to accept new
6170         args DEST and SRC.  Return true iff we find a source/destination pair
6171         that can be used to make a replacement, and fill SRC and DEST if so.
6172         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
6173         changed.
6174         (simplify_using_initial_values): Deal with altered regs here and track
6175         more precisely the effect they have on the validity of our expression.
6176
6177         * loop-iv.c (simplify_using_condition): A condition of the form
6178         (EQ REG CONST) can be used to simply make a substitution.
6179         (simplify_using_initial_values): Keep track of conditions we have seen
6180         and keep using them to simplify new expressions, while applying the
6181         same substitutions to them as to the expression.
6182
6183         * simplify-rtx.c (simplify_relational_operation_1): Simplify
6184         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
6185         GEU/LTU reversed.
6186
6187         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
6188         changed.  Use this when trying to improve the upper bound.
6189         Generate the comparison by using simplify_gen_relational.
6190
6191         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
6192
6193         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
6194         functions.
6195         (simplify_using_assignment, simplify_using_initial_values): Call
6196         replace_in_expr to make replacements.  Call replace_single_def_regs
6197         once on the initial version of the expression.
6198
6199 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6200
6201         PR target/27237
6202         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
6203
6204 2009-03-31  Richard Guenther  <rguenther@suse.de>
6205
6206         PR middle-end/31029
6207         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
6208         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
6209
6210 2009-03-31  Richard Guenther  <rguenther@suse.de>
6211
6212         * tree.h (div_if_zero_remainder): Declare.
6213         * fold-const.c (div_if_zero_remainder): Export.
6214         * tree-ssa-forwprop.c
6215         (forward_propagate_addr_into_variable_array_index): Handle
6216         constant array index addition outside of the variable index.
6217
6218 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6219
6220         PR target/39592
6221         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
6222         define_splits, floatunssi<mode>2): Require x87 conversions from
6223         DImode to be permitted.
6224
6225 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6226
6227         PR preprocessor/15638
6228         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
6229
6230 2009-03-31  Richard Guenther  <rguenther@suse.de>
6231
6232         PR middle-end/23401
6233         PR middle-end/27810
6234         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
6235         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
6236         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
6237         a separate statement.
6238         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
6239         (lookup_tmp_var): Likewise.
6240         (is_gimple_formal_tmp_or_call_rhs): Remove.
6241         (is_gimple_reg_or_call_rhs): Rename to ...
6242         (is_gimple_reg_rhs_or_call): ... this.
6243         (is_gimple_mem_or_call_rhs): Rename to ...
6244         (is_gimple_mem_rhs_or_call): ... this.
6245         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
6246         DECL_GIMPLE_REG_P only if is_formal is true.
6247         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
6248         for non-proper post-modify expression gimplification.
6249         (gimplify_self_mod_expr): For post-modify expressions gimplify
6250         the lvalue to a minimal lvalue.
6251         (rhs_predicate_for): Remove formal temp case.
6252         (gimplify_modify_expr_rhs): Likewise.
6253         (gimplify_addr_expr): Use is_gimple_reg.
6254         (gimplify_expr): Remove formal temp cases.
6255         (gimple_regimplify_operands): Likewise.
6256         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
6257         and FILTER_EXPR like constants.
6258         * gimple.c (walk_gimple_op): Fix val_only initialization, use
6259         is_gimple_reg.
6260         (is_gimple_formal_tmp_rhs): Remove.
6261         (is_gimple_reg_rhs): Remove special casing.
6262         (is_gimple_mem_rhs): Fix.
6263         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
6264         (is_gimple_formal_tmp_var): Remove.
6265         (is_gimple_formal_tmp_reg): Likewise.
6266         (is_gimple_min_lval): Allow invariant component ref parts.
6267         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
6268         is_gimple_formal_tmp_reg): Remove declarations.
6269         * tree-cfg.c (verify_expr): Verify that variables with address
6270         taken do not have DECL_GIMPLE_REG_P set.
6271         * tree-mudflap.c (mf_build_check_statement_for): Use
6272         force_gimple_operand instead of gimplify_expr.
6273
6274 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
6275
6276         * modulo-sched.c (sms_schedule_by_order): Pass the actual
6277         schedulable rows to compute_split_row.
6278
6279 2009-03-31  Ben Elliston  <bje@au.ibm.com>
6280
6281         PR target/31635
6282         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
6283         OPT_mvrsave.
6284
6285 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
6286
6287         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
6288         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
6289         * configure: Regenerate.
6290         * config.in: Regenerate.
6291         * config/rs6000/rs6000.opt (mtls-markers): Add.
6292         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
6293         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
6294         (tls_ld_aix, tls_ld_sysv): Likewise.
6295         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
6296         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
6297
6298 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
6299
6300         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
6301
6302 2009-03-30  Jan Hubicka  <jh@suse.cz>
6303
6304         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
6305         out of RESX.
6306         (tree_remove_unreachable_handlers): Cleanup EH predecestor
6307         detection and label handling.
6308
6309 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6310
6311         * ira-int.h (ira_allocno): Rename left_conflicts_num to
6312         left_conflicts_size.
6313         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
6314         ALLOCNO_LEFT_CONFLICTS_SIZE.
6315
6316         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
6317         remove_allocno_from_bucket_and_push,
6318         allocno_spill_priority_compare, push_allocnos_to_stack,
6319         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
6320         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
6321         (setup_allocno_left_conflicts_num): Ditto.  Rename to
6322         setup_allocno_left_conflicts_size.
6323         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
6324         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
6325         setup_allocno_left_conflicts_size instead of
6326         setup_allocno_left_conflicts_num.
6327
6328         * ira-build.c (ira_create_allocno): Use
6329         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
6330         ALLOCNO_LEFT_CONFLICTS_NUM.
6331
6332 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6333
6334         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
6335         instead of DF_LR_OUT.
6336
6337         * ira-lives.c (process_bb_node_lives): Ditto.
6338
6339         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
6340         instead of DF_LR_{OUT,IN}.
6341
6342         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
6343
6344         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
6345
6346 2009-03-30  Jan Hubicka  <jh@suse.cz>
6347
6348         * except.c (label_to_region_map): Fix thinko.
6349
6350 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
6351
6352         PR middle-end/38237
6353         * tree.h (tree_find_value): New declaration.
6354         * tree.c (tree_find_value): New function.
6355         * varasm.c (assemble_external): Avoid duplicate entries on lists.
6356
6357 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
6358
6359         PR debug/39563
6360         * c-decl.c (struct c_binding): Add locus field.
6361         (bind): Add locus argument, set locus field from it.
6362         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
6363         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
6364         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
6365         implicitly_declare, undeclared_variable, lookup_label,
6366         declare_label, c_make_fname_decl, c_builtin_function,
6367         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
6368         bind callers.
6369
6370 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
6371
6372         PR target/38781
6373         * config/i386/i386.c (classify_argument): Check total size of
6374         structure.
6375
6376 2009-03-30  Martin Jambor  <mjambor@suse.cz>
6377
6378         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
6379         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
6380         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
6381         respectively.
6382
6383         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
6384         seen_variable_array_ref while also traversing a union.
6385
6386         * tree-inline.c (optimize_inline_calls): Do not call
6387         cgraph_node_remove_callees.
6388         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
6389         (pass_remove_cgraph_callee_edges): New variable.
6390         * passes.c (init_optimization_passes): Add
6391         pass_remove_cgraph_callee_edges after early inlining and before all
6392         late intraprocedural passes.
6393
6394         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
6395
6396 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6397
6398         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
6399         Fix typos in names.
6400
6401 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6402
6403         * combine.c (simplify_comparison): Use have_insn_for.
6404         * dojump.c (do_jump): Likewise.
6405
6406 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6407
6408         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
6409         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
6410         sparc_compare_op0 like sparc_compare_emitted used to be handled.
6411         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
6412         instead of sparc_compare_emitted.
6413         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
6414         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
6415         instead of sparc_compare_emitted.
6416
6417 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6418
6419         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
6420         enter/exit cfglayout mode.
6421         (pass_partition_block): Require it.
6422         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
6423         (combine_instructions): Track basic blocks instead of labels.
6424         (update_cfg_for_uncondjump): New.
6425         (try_combine): Use it.  Update jumps after rescanning.
6426         (pass_combine): Require PROP_cfglayout.
6427         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
6428
6429 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6430
6431         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
6432         Provide/destroy PROP_cfglayout respectively.
6433         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
6434         * tree-pass.h (PROP_cfglayout): New.
6435
6436 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6437
6438         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
6439         fold_convert_const_fixed_from_fixed,
6440         fold_convert_const_fixed_from_int,
6441         fold_convert_const_fixed_from_real, fold_negate_const): Do not
6442         set TREE_CONSTANT_OVERFLOW.
6443         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
6444         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
6445
6446 2009-03-30  Ira Rosen  <irar@il.ibm.com>
6447
6448         * tree-vect-loop-manip.c: New file.
6449         * tree-vectorizer.c: Update documentation and included files.
6450         (vect_loop_location): Make extern.
6451         (rename_use_op): Move to tree-vect-loop-manip.c
6452         (rename_variables_in_bb, rename_variables_in_loop,
6453         slpeel_update_phis_for_duplicate_loop,
6454         slpeel_update_phi_nodes_for_guard1,
6455         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
6456         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
6457         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
6458         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
6459         find_loop_location): Likewise.
6460         (new_stmt_vec_info): Move to tree-vect-stmts.c.
6461         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
6462         get_vectype_for_scalar_type, vect_is_simple_use,
6463         supportable_widening_operation, supportable_narrowing_operation):
6464         Likewise.
6465         (bb_in_loop_p): Move to tree-vect-loop.c.
6466         (new_loop_vec_info, destroy_loop_vec_info,
6467         reduction_code_for_scalar_code, report_vect_op,
6468         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
6469         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
6470         (vect_supportable_dr_alignment): Likewise.
6471         * tree-vectorizer.h (tree-data-ref.h): Include.
6472         (vect_loop_location): Declare.
6473         Reorganize function declarations according to the new file structure.
6474         * tree-vect-loop.c: New file.
6475         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
6476         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
6477         * tree-vect-data-refs.c: New file.
6478         * tree-vect-patterns.c (timevar.h): Don't include.
6479         * tree-vect-stmts.c: New file.
6480         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
6481         tree-vect-slp.c, tree-vect-loop.c.
6482         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
6483         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
6484         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
6485         (tree-vect-analyze.o): Remove.
6486         (tree-vect-transform.o): Likewise.
6487         (tree-vect-data-refs.o): Add rule.
6488         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
6489         tree-vect-slp.o): Likewise.
6490         (tree-vect-patterns.o): Remove redundant dependencies.
6491         (tree-vectorizer.o): Likewise.
6492         * tree-vect-slp.c: New file.
6493
6494 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6495
6496         * optc-gen.awk: Warn if an option flag has multiple different
6497         help strings.
6498
6499 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
6500
6501         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
6502         -floop-block): Document dependences on PPL, CLooG and Graphite.
6503
6504 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
6505
6506         PR rtl-optimization/323
6507         * c-common.c (c_fully_fold, convert_and_check,
6508         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
6509         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
6510         * c-common.def (EXCESS_PRECISION_EXPR): New.
6511         * c-cppbuiltin.c (builtin_define_float_constants): Define
6512         constants with enough digits for long double.
6513         * c-lex.c (interpret_float): Interpret constant with excess
6514         precision where appropriate.
6515         * c-opts.c (c_common_post_options): Set
6516         flag_excess_precision_cmdline.  Give an error for
6517         -fexcess-precision=standard for C++ for processors where the
6518         option is significant.
6519         * c-parser.c (c_parser_conditional_expression): Handle excess
6520         precision in condition.
6521         * c-typeck.c (convert_arguments): Handle arguments with excess
6522         precision.
6523         (build_unary_op): Move excess precision outside operation.
6524         (build_conditional_expr): Likewise.
6525         (build_compound_expr): Likewise.
6526         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
6527         (build_modify_expr): Handle excess precision in RHS.
6528         (convert_for_assignment): Handle excess precision in converted
6529         value.
6530         (digest_init, output_init_element, process_init_element): Handle
6531         excess precision in initializer.
6532         (c_finish_return): Handle excess precision in return value.
6533         (build_binary_op): Handle excess precision in operands and add
6534         excess precision as needed for operation.
6535         * common.opt (-fexcess-precision=): New option.
6536         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
6537         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
6538         For standard excess precision, output explicit conversion to and
6539         truncation from XFmode.
6540         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
6541         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
6542         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
6543         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
6544         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
6545         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
6546         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
6547         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
6548         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
6549         define_splits, sqrt<mode>2): Disable where appropriate for
6550         standard excess precision.
6551         * convert.c (convert_to_real): Do not shorten arithmetic to type
6552         for which excess precision would be used.
6553         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
6554         * doc/invoke.texi (-fexcess-precision=): Document option.
6555         (-mfpmath=): Correct index entry.
6556         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
6557         flag_excess_precision): New.
6558         * langhooks.c (lhd_post_options): Set
6559         flag_excess_precision_cmdline.
6560         * opts.c (common_handle_option): Handle -fexcess-precision=.
6561         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
6562         init_excess_precision): New.
6563         (lang_dependent_init_target): Call init_excess_precision.
6564         * tree.c (excess_precision_type): New.
6565         * tree.h (excess_precision_type): Declare.
6566
6567 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
6568
6569         PR c/35235
6570         * c-typeck.c (build_component_ref): Do not copy qualifiers from
6571         non-lvalue to component.
6572
6573 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
6574
6575         PR preprocessor/34695
6576         * Makefile.in (c-opts.o): Depend on c-tree.h.
6577         * c-common.c: Move down include of diagnostic.h.
6578         (done_lexing, c_cpp_error): New.
6579         * c-common.h (done_lexing): Declare.
6580         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
6581         (parse_in).
6582         * c-opts.c: Include c-tree.h.
6583         (c_common_init_options): Set preprocessor error callback.
6584         (c_common_handle_option): Do not set preprocessor
6585         inhibit_warnings, warnings_are_errors, warn_system_headers,
6586         pedantic_errors or inhibit_warnings flags.
6587         (c_common_post_options): Do not check cpp_errors (parse_in).
6588         (c_common_finish): Do not output dependencies if there were
6589         errors.  Do not check return value of cpp_finish.
6590         * c-ppoutput.c (pp_file_change): Set input_location.
6591         * c-tree.h (c_cpp_error): Declare.
6592         * diagnostic.c (diagnostic_set_info_translated): Also initialize
6593         override_column.
6594         (diagnostic_build_prefix): Check override_column.
6595         * diagnostic.h (diagnostic_info): Add override_column field.
6596         (diagnostic_override_column): Define.
6597
6598 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
6599
6600         * c-common.c (c_expand_expr, c_staticp): Remove.
6601         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
6602         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
6603         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
6604         * c-gimplify.c (gimplify_compound_literal_expr,
6605         optimize_compound_literals_in_ctor): Remove.
6606         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
6607         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
6608         * c-semantics.c (emit_local_var): Remove.
6609
6610         * langhooks-def.h (lhd_expand_expr): Remove.
6611         * langhooks.c (lhd_expand_expr): Remove.
6612         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
6613
6614         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
6615         handling from c-semantics.c; don't call into langhook.
6616         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
6617         * gimplify.c (gimplify_compound_literal_expr,
6618         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
6619         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
6620         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
6621         as was done in c-gimplify.c.
6622         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
6623         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
6624         Move from c-common.h.
6625         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
6626
6627         * tree.c (staticp): Do not call langhook.
6628         * langhooks.c (lhd_staticp): Delete.
6629         * langhooks-def.h (lhd_staticp): Delete prototype.
6630         (LANG_HOOKS_STATICP): Delete.
6631         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
6632
6633         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
6634         instead of DECL_STMTs.
6635
6636 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
6637
6638         PR c/456
6639         PR c/5675
6640         PR c/19976
6641         PR c/29116
6642         PR c/31871
6643         PR c/35198
6644         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
6645         void_type_node.
6646         (fold_call_expr): Return a NOP_EXPR from folding rather than the
6647         contained expression.
6648         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
6649         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
6650         conditional expressions for C.
6651         (decl_constant_value_for_optimization): Move from
6652         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
6653         whether optimizing and that the expression is a VAR_DECL not of
6654         array type instead of doing such checks in the caller.  Do not
6655         check pedantic.  Call gcc_unreachable for C++.
6656         * c-common.def (C_MAYBE_CONST_EXPR): New.
6657         * c-common.h (c_fully_fold, c_save_expr,
6658         decl_constant_value_for_optimization): New prototypes.
6659         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
6660         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
6661         EXPR_INT_CONST_OPERANDS): Define.
6662         * c-convert.c (convert): Strip nops from expression.
6663         * c-decl.c (groktypename): Take extra parameters expr and
6664         expr_const_operands.  Update call to grokdeclarator.
6665         (start_decl): Update call to grokdeclarator.  Add statement for
6666         expressions used in type of decl.
6667         (grokparm): Update call to grokdeclarator.
6668         (push_parm_decl): Update call to grokdeclarator.
6669         (build_compound_literal): Add parameter non_const and build a
6670         C_MAYBE_COSNT_EXPR if applicable.
6671         (grokdeclarator): Take extra parameters expr and
6672         expr_const_operands.  Track expressions used in declaration
6673         specifiers and declarators.  Fold array sizes and track whether
6674         they are constant expressions and whether they are integer
6675         constant expressions.
6676         (parser_xref_tag): Set expr and expr_const_operands fields in
6677         return value.
6678         (grokfield): Update call to grokdeclarator.
6679         (start_function): Update call to grokdeclarator.
6680         (build_null_declspecs): Set expr and expr_const_operands fields in
6681         return value.
6682         (declspecs_add_type): Handle expressions in typeof specifiers.
6683         * c-parser.c (c_parser_declspecs): Set expr and
6684         expr_const_operands fields for declaration specifiers.
6685         (c_parser_enum_specifier): Likewise.
6686         (c_parser_struct_or_union_specifier): Likewise.
6687         (c_parser_typeof_specifier): Likewise.  Update call to
6688         groktypename.  Fold expression as needed.  Return expressions with
6689         type instead of adding statements.
6690         (c_parser_attributes): Update calls to c_parser_expr_list.
6691         (c_parser_statement_after_labels): Fold expression before passing
6692         to objc_build_throw_stmt.
6693         (c_parser_condition): Fold expression.
6694         (c_parser_asm_operands): Fold expression.
6695         (c_parser_conditional_expression): Use c_save_expr.  Update call
6696         to build_conditional_expr.
6697         (c_parser_alignof_expression): Update call to groktypename.
6698         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
6699         original_code.  Fold expression argument of va_arg.  Create
6700         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
6701         argument to va_arg.  Update calls to groktypename.  Fold array
6702         index for offsetof.  Verify that first argument to
6703         __builtin_choose_expr has integer type.
6704         (c_parser_postfix_expression_after_paren_type): Update calls to
6705         groktypename and build_compound_literal.  Handle expressions with
6706         side effects in type name.
6707         (c_parser_postfix_expression_after_primary): Update call to
6708         c_parser_expr_list.  Set original_code for calls to
6709         __builtin_constant_p.
6710         (c_parser_expr_list): Take extra parameter fold_p.  Fold
6711         expressions if requested.
6712         (c_parser_objc_type_name): Update call to groktypename.
6713         (c_parser_objc_synchronized_statement): Fold expression.
6714         (c_parser_objc_receiver): Fold expression.
6715         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
6716         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
6717         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
6718         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
6719         (struct c_typespec): Add elements expr and expr_const_operands.
6720         (struct c_declspecs): Add elements expr and expr_const_operands.
6721         (groktypename, build_conditional_expr, build_compound_literal):
6722         Update prototypes.
6723         (in_late_binary_op): Declare.
6724         * c-typeck.c (note_integer_operands): New function.
6725         (in_late_binary_op): New variable.
6726         (decl_constant_value_for_broken_optimization): Move to c-common.c
6727         and rename to decl_constant_value_for_optimization.
6728         (default_function_array_conversion): Do not strip nops.
6729         (default_conversion): Do not call
6730         decl_constant_value_for_broken_optimization.
6731         (build_array_ref): Do not fold result.
6732         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
6733         result when operand is a VLA.
6734         (c_expr_sizeof_type): Update call to groktypename.  Handle
6735         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
6736         result when operand names a VLA type.
6737         (build_function_call): Update call to build_compound_literal.
6738         Only fold result for calls to __builtin_* functions.  Strip
6739         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
6740         the function designator.
6741         (convert_arguments): Fold arguments.  Update call to
6742         convert_for_assignment.
6743         (build_unary_op): Handle increment and decrement of
6744         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
6745         decrement earlier.  Fold operand of increment and decrement.
6746         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
6747         built for integer operand.  Wrap returns that are INTEGER_CSTs
6748         without being integer constant expressions or that have integer
6749         constant operands without being INTEGER_CSTs.
6750         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
6751         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
6752         result is an integer constant expression or can be used in
6753         unevaluated parts of one and avoid folding and wrap as
6754         appropriate.  Fold operands before possibly doing -Wsign-compare
6755         warnings.
6756         (build_compound_expr): Wrap result for C99 if operands can be used
6757         in integer constant expressions.
6758         (build_c_cast): Update call to digest_init.  Do not ignore
6759         overflow from casting floating-point constants to integers.  Wrap
6760         results that could be confused with integer constant expressions,
6761         null pointer constants or floating-point constants.
6762         (c_cast_expr): Update call to groktypename.  Handle expressions
6763         included in type name.
6764         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
6765         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
6766         Update calls to convert_for_assignment.
6767         (convert_for_assignment): Take new parameter
6768         null_pointer_constant.  Do not strip nops or call
6769         decl_constant_value_for_broken_optimization.  Set
6770         in_late_binary_op for conversions to boolean.
6771         (store_init_value): Update call to digest_init.
6772         (digest_init): Take new parameter null_pointer_constant.  Do not
6773         call decl_constant_value_for_broken_optimization.  pedwarn for
6774         initializers not constant expressions.  Update calls to
6775         convert_for_assignment.
6776         (constructor_nonconst): New.
6777         (struct constructor_stack): Add nonconst element.
6778         (really_start_incremental_init, push_init_level, pop_init_level):
6779         Handle constructor_nonconst and nonconst element.
6780         (set_init_index): Call constant_expression_warning for array
6781         designators.
6782         (output_init_element): Fold value.  Set constructor_nonconst as
6783         applicable.  pedwarn for initializers not constant expressions.
6784         Update call to digest_init.  Call constant_expression_warning
6785         where constant initializers are required.
6786         (process_init_element): Use c_save_expr.
6787         (c_finish_goto_ptr): Fold expression.
6788         (c_finish_return): Fold return value.  Update call to
6789         convert_for_assignment.
6790         (c_start_case): Fold switch expression.
6791         (c_process_expr_stmt): Fold expression.
6792         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
6793         ensure statement expression is not evaluated in constant expression.
6794         (build_binary_op): Track whether results are integer constant
6795         expressions or may occur in such, disable folding and wrap results
6796         as applicable.  Fold operands for -Wsign-compare warnings unless
6797         in_late_binary_op.
6798         (c_objc_common_truthvalue_conversion): Handle results folded to
6799         integer constants that are not integer constant expressions.
6800         * doc/extend.texi: Document when typeof operands are evaluated,
6801         that condition of __builtin_choose_expr is an integer constant
6802         expression, and more about use of __builtin_constant_p in
6803         initializers.
6804
6805 2009-03-29  Richard Guenther  <rguenther@suse.de>
6806
6807         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
6808         propagate addresses of array references.
6809
6810 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
6811
6812         * regmove.c (perhaps_ends_bb_p): Remove.
6813         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
6814         from INSN and check that the main loop stays within that basic block.
6815         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
6816         (regmove_forward_pass): Split out from regmove_optimize.  Use
6817         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
6818         (regmove_backward_pass): Split out from regmove_optimize.  Use
6819         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
6820         (regmove_optimize): Simplify.
6821
6822 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
6823
6824         PR target/39545
6825         * config/i386/i386.c (classify_argument): Ignore flexible array
6826         member in struct and warn ABI change.
6827
6828 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
6829
6830         * config/i386/i386-protos.h (ix86_agi_dependent): New.
6831
6832         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
6833         (ix86_adjust_cost): Updated.
6834
6835 2009-03-29  Jan Hubicka  <jh@suse.cz>
6836
6837         PR middle-end/28850
6838         * tree-pass.h (pass_cleanup_eh): New function.
6839         (remove_unreachable_regions): Break code handling RTL
6840         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
6841         that can not be reached by runtime.
6842         (can_be_reached_by_runtime): New function.
6843         (label_to_region_map): New function.
6844         (num_eh_regions): New function.
6845         (rtl_remove_unreachable_regions): New function.
6846         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
6847         (remove_eh_region): New function.
6848         * except.h: Include sbitmap and vecprim.
6849         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
6850         num_eh_regions): Declare.
6851         * passes.c (init_optimization_passes): Schedule cleanup_eh.
6852         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
6853         * tree-eh.c (tree_remove_unreachable_handlers): New function.
6854         (tree_empty_eh_handler_p): New function.
6855         (cleanup_empty_eh): New function.
6856         (cleanup_eh): New function.
6857         (pass_cleanup_eh): New function.
6858
6859 2009-03-29  Jan Hubicka  <jh@suse.cz>
6860
6861         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
6862         for removed regions.
6863
6864 2009-03-29  Jan Hubicka  <jh@suse.cz>
6865
6866         * except.c (dump_eh_tree): Dump all datastructures.
6867
6868 2009-03-29  Jan Hubicka  <jh@suse.cz>
6869
6870         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
6871         (duplicate_eh_regions_1): Likewise.
6872         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
6873         vector; call EH verification.
6874         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
6875         Be ready for region being removed.
6876
6877 2009-03-29  Jan Hubicka  <jh@suse.cz>
6878
6879         * bitmap.c (bitmap_last_set_bit): New function.
6880         * bitmap.h (bitmap_last_set_bit): Declare.
6881
6882 2009-03-29  David Ayers  <ayers@fsfe.org>
6883
6884         PR objc/27377
6885         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
6886         by calling objc_compare_types and surpress warnings about
6887         incompatible C pointers that are compatible ObjC pointers.
6888
6889 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
6890
6891         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
6892         call initialize_inline_failed.
6893         (initialize_inline_failed): Move it from here ...
6894         * cgraph.c (initialize_inline_failed): ... to here.
6895         (cgraph_create_edge): Call initialize_inline_failed rather than
6896         setting inline_failed directly.
6897
6898 2009-03-29  Ben Elliston  <bje@au.ibm.com>
6899
6900         PR target/32542
6901         * sysv4.opt (msdata): Improve comment.
6902         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
6903         * sysv4.h (SVR4_ASM_SPEC): Likewise.
6904
6905 2009-03-29  Ben Elliston  <bje@au.ibm.com>
6906
6907         PR target/30451
6908         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
6909         load and store attributes.
6910
6911 2009-03-29  Ben Elliston  <bje@au.ibm.com>
6912
6913         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
6914         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
6915         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
6916         * doc/extend.texi (X86 Built-in Functions): Add index entries for
6917         __builtin_infq and __builtin_huge_valq.
6918
6919 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
6920
6921         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
6922         atmega8m1 devices.
6923         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6924         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
6925
6926 2009-03-28  Xinliang David Li  <davidxl@google.com>
6927
6928         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
6929         (do_dbg_cnt): New function.
6930
6931 2009-03-28  Jan Hubicka  <jh@suse.cz>
6932
6933         Merge from pretty-ipa:
6934
6935         2009-03-27  Jan Hubicka  <jh@suse.cz>
6936
6937         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
6938         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
6939         * passes.c (function_called_by_processed_nodes_p): New.
6940         * ipa-pure-const.c (check_call): Fix handling of operands.
6941         (analyze_function): Dump debug output for skipped bodies.
6942         (local_pure_const): Use function_called_by_processed_nodes_p.
6943         * dwarf2out.c (reference_to_unused): Use output.
6944         * passes.c (do_per_function_toporder): Likewise.
6945
6946         2008-11-12  Jan Hubicka  <jh@suse.cz>
6947
6948         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
6949         * ipa-pure-const.c (funct_state_d): Add can throw field; make
6950         state_set_in_source enum
6951         (check_decl): Ignore memory tags; do not set fake looping flags;
6952         dump diagnostics.
6953         (check_operand, check_tree, check_rhs_var, check_lhs_var,
6954         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
6955         (check_call, analyze_function): Rewrite.
6956         (check_stmt): New.
6957         (add_new_function): Update call of analyze_function.
6958         (generate_summary): Add call of analyze_function.
6959         (propagate): Propagate can_throw; handle state_set_in_source correctly.
6960         (local_pure_const): New function.
6961         (pass_local_pure_const): New pass.
6962         * ipa-inline.c (inline_transform): Set after_inlining.
6963         * tree-eh.c (stmt_can_throw_external): New.
6964         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
6965         work with aliasing built.
6966         * tree-flow.h (stmt_can_throw_external): New.
6967         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
6968         and local pure/const pass in early and late optimization queue.
6969
6970 2009-03-28  Martin Jambor  <mjambor@suse.cz>
6971
6972         * fold-const.c (get_pointer_modulus_and_residue): New parameter
6973         allow_func_align.
6974         (fold_binary): Allow function decl aligment consideration is the
6975         second argument is integer constant one.
6976         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
6977         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
6978         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
6979
6980 2009-03-28  Jan Hubicka  <jh@suse.cz>
6981
6982         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
6983         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
6984         * function.h (rtl_data): Add nothrow flag.
6985         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
6986         set DECL_NOTHROW for AVAILABLE functions.
6987
6988 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
6989
6990         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
6991         following vector keyword has expansion starting with pixel or bool
6992         keyword, expand vector to __vector and pixel or bool to __pixel or
6993         __bool.
6994
6995         PR c++/39554
6996         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
6997         warn_if_disallowed_function_p): Removed.
6998         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
6999         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
7000         warning_if_disallowed_function_p.
7001         * flags.h (warn_if_disallowed_function_p,
7002         warn_disallowed_functions): Removed.
7003         * common.opt (Wdisallowed-function-list=): Removed.
7004         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
7005
7006 2009-03-28  Richard Guenther  <rguenther@suse.de>
7007
7008         PR tree-optimization/38723
7009         * tree-ssa-pre.c (compute_avail): Add all default definitions to
7010         the entry block.
7011
7012 2009-03-28  Jan Hubicka  <jh@suse.cz>
7013
7014         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
7015         test introduced by my previous patch.
7016
7017 2009-03-28  Richard Guenther  <rguenther@suse.de>
7018
7019         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
7020         the PHIs value undefined.
7021
7022 2009-03-28  Jan Hubicka  <jh@suse.cz>
7023
7024         * tree-pass.h (pass_fixup_cfg): New pass.
7025         * ipa-inline.c (inline_transform): Set
7026         always_inline_functions_inlined/after_inlining.
7027         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
7028         (pass_fixup_cfg): New pass.
7029         * passes.c (init_optimization_passes): Add fixup_cfg.
7030
7031 2009-03-28  Richard Guenther  <rguenther@suse.de>
7032
7033         PR tree-optimization/38458
7034         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
7035         argument use the arguments copy-of value.
7036
7037 2009-03-28  Richard Guenther  <rguenther@suse.de>
7038
7039         PR tree-optimization/38180
7040         * tree-ssa-ccp.c (get_default_value): Simplify.
7041         (likely_value): Likewise.
7042         (surely_varying_stmt_p): Properly handle VOP case.
7043         (ccp_initialize): Likewise.
7044         (ccp_fold): Handle propagating through *&.
7045         (fold_const_aggregate_ref): Also handle decls.
7046
7047 2009-03-28  Jan Hubicka  <jh@suse.cz>
7048
7049         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
7050         * cgraph.h (cgraph_node): Likewise.
7051         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
7052         (cgraph_reset_node): Use process flag.
7053         (cgraph_mark_functions_to_output): Likewise.
7054         (cgraph_expand_function): Likewise.
7055         (cgraph_expand_all_functions): Likewise.
7056         (cgraph_output_in_order): Likewise.
7057         * dwarf2out.c (reference_to_unused): Likewise.
7058         * passes.c do_per_function_toporder): Likewise.
7059
7060 2009-03-28  Jan Hubicka  <jh@suse.cz>
7061
7062         Bring from lto-branch:
7063
7064         2008-09-03  Doug Kwan  <dougkwan@google.com>
7065
7066         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
7067         enums instead of reason strings.
7068         * cgraph.c (cgraph_create_edge): Same.
7069         (cgraph_inline_failed_string): New function.
7070         * cgraph.h (cgraph_inline_failed_t): New enum type.
7071         (cgraph_inline_failed_string): New prototype.
7072         (struct cgraph_edge): Change type of INLINED_FAILED from constant
7073         char pointer to cgraph_inline_failed_t.
7074         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
7075         (cgraph_default_inline_p): Ditto.
7076         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
7077         to cgraph_inline_failed_t pointer.
7078         * cif-code.def: New file.
7079         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
7080         reason string.
7081         (cgraph_check_inline_limits): Change type of REASON to pointer to
7082         cgraph_inline_failed_t.  Replace reason strings with enums.
7083         (cgraph_default_inline_p): Ditto.
7084         (cgraph_recursive_inlining_p): Ditto.
7085         (update_caller_keys): Change type of FAILED_REASON to
7086         cgraph_inline_failed_t.
7087         (cgraph_set_inline_failed): Change type of REASON to pointer to
7088         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
7089         convert enums to strings for text output.
7090         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
7091         to be of type cgraph_inline_failed_t.  Replace reason strings with
7092         enums.  Call cgraph_inline_failed_string to covert enums
7093         to strings for text output.
7094         (cgraph_decide_inlining): Replace reason strings with enums.
7095         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
7096         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
7097         for text output.
7098         * tree-inline.c (expand_call_inline): Change type of REASON
7099         to cgraph_inline_failed_t.  Replace reason strings with enums.
7100         Call cgraph_inline_failed_string for text output.
7101         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
7102         (cgraph.o): Ditto.
7103
7104 2009-03-28  Jan Hubicka  <jh@suse.cz>
7105
7106         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
7107         cgraph_clone_node): Remove master clone handling.
7108         (cgraph_is_master_clone, cgraph_master_clone): Remove.
7109         * cgraph.h (master_clone): Remove.
7110         (cgraph_is_master_clone, cgraph_master_clone): Remove.
7111         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
7112         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
7113
7114 2009-03-28  Jan Hubicka  <jh@suse.cz>
7115
7116         * cgraph.c (cgraph_function_body_availability): Functions declared
7117         inline are always safe to assume that it is not going to be replaced.
7118
7119 2009-03-28  Richard Guenther  <rguenther@suse.de>
7120
7121         PR tree-optimization/38513
7122         * tree-ssa-pre.c (eliminate): Remove redundant stores.
7123         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
7124         EXC_PTR_EXPR and FILTER_EXPR.
7125         (get_ref_from_reference_ops): Likewise.
7126
7127 2009-03-28  Richard Guenther  <rguenther@suse.de>
7128
7129         PR tree-optimization/38968
7130         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
7131         Use FLOOR_MOD_EXPR to compute misalignment.
7132
7133 2009-03-28  Richard Guenther  <rguenther@suse.de>
7134
7135         PR tree-optimization/37795
7136         * tree.h (combine_comparisons): Declare.
7137         * fold-const.c (combine_comparisons): Export.
7138         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
7139         comparisons.
7140         (ifcombine_iforif): Use combine_comparisons.
7141
7142 2009-03-28  Jan Hubicka  <jh@suse.cz>
7143
7144         * tree-eh.c (inlinable_call_p): New function.
7145         (make_eh_edges): Use it.
7146         (verify_eh_edges): Use it.
7147         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
7148         * except.c (reachable_next_level): Add inlinable_function argument
7149         (sjlj_find_directly_reachable_regions): Update.
7150         (add_reachable_handler): Do not set saw_any_handlers.
7151         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
7152         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
7153         Add new inlinable call parameter.
7154         (can_throw_internal, can_throw_external): Update.
7155         * except.h (can_throw_internal_1, can_throw_external_1,
7156         foreach_reachable_handler): Update declaration.
7157
7158 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
7159
7160         * config/arm/t-arm-coff, config/h8300/coff.h,
7161         config/i386/i386-aout.h, config/i386/i386-coff.h,
7162         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
7163         config/pdp11/2bsd.h, config/rs6000/aix41.h,
7164         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
7165         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
7166         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
7167         sys-types.h: Remove.
7168         * Makefile.in: Remove protoize and fixproto support and references
7169         in comments.
7170         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
7171         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
7172         Remove.
7173         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
7174         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
7175         unprotoize$(exeext).
7176         (rest.encap): Don't depend on $(STMP_FIXPROTO)
7177         (.PHONY): Don't depend on proto.
7178         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
7179         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
7180         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
7181         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
7182         build/gen-protos.o, build/scan.o, xsys-protos.h,
7183         build/fix-header$(build_exeext), build/fix-header.o,
7184         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
7185         stmp-install-fixproto): Remove.
7186         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
7187         SYSCALLS.c or fixproto files.
7188         (install-common): Don't install protoize.
7189         (install-headers-tar, install-headers-cpio, install-headers-cp):
7190         Don't depend on $(STMP_FIXPROTO).
7191         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
7192         install fixproto files or write out fixproto settings.
7193         (uninstall): Don't uninstall protoize.
7194         * config.gcc (use_fixproto): Remove.
7195         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
7196         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
7197         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
7198         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
7199         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
7200         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
7201         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
7202         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
7203         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
7204         * config/t-vxworks (STMP_FIXPROTO): Remove.
7205         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
7206         STMP_FIXPROTO): Remove.
7207         * config.in, configure: Regenerate.
7208         * crtstuff.c (gid_t, uid_t): Don't undefine.
7209         * doc/install.texi: Change m68k-coff to m68k-elf in example.
7210         (arm-*-coff, arm-*-aout: Remove target entries.
7211         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
7212         Remove mention of AIX 4.1.
7213         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
7214         * doc/invoke.texi (Running Protoize): Remove.
7215         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
7216         (Protoize Caveats): Remove.
7217         * tsystem.h: Update comments on headers assumed to exist.
7218
7219 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
7220
7221         * genautomata.c: Add a new year to the copyright.  Add a new
7222         reference.
7223         (struct insn_reserv_decl): Add comments for member bypass_list.
7224         (find_bypass): Remove.
7225         (insert_bypass): New.
7226         (process_decls): Use insert_bypass.
7227         (output_internal_insn_latency_func): Output all bypasses with the
7228         same input insn in one switch case.
7229
7230         * rtl.def (define_bypass): Describe bypass choice.
7231         * doc/md.texi (define_bypass): Ditto.
7232
7233 2009-03-27  Richard Guenther  <rguenther@suse.de>
7234
7235         * gimplify.c (mark_addressable): Export.
7236         * tree-flow.h (mark_addressable): Declare.
7237         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
7238         * tree-ssa.c (verify_phi_args): Verify that address taken
7239         variables have TREE_ADDRESSABLE set.
7240
7241 2009-03-27  Richard Guenther  <rguenther@suse.de>
7242
7243         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
7244         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
7245         Do not mark decls TREE_ADDRESSABLE.
7246         (build_fold_addr_expr): Adjust.
7247         (fold_addr_expr): Remove.
7248         (fold_unary): Use build_fold_addr_expr.
7249         (fold_comparison): Likewise.
7250         (split_address_to_core_and_offset): Likewise.
7251         * coverage.c (tree_coverage_counter_addr): Mark the array decl
7252         TREE_ADDRESSABLE.
7253         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
7254         (gimplify_modify_expr_to_memcpy): Mark source and destination
7255         addressable.
7256         * omp-low.c (create_omp_child_function): Mark the object decl
7257         TREE_ADDRESSABLE.
7258         (lower_rec_input_clauses): Mark the var we take the address of
7259         TREE_ADDRESSABLE.
7260         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
7261
7262 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7263
7264         PR middle-end/39315
7265         * cfgexpand.c (expand_one_stack_var_at): Change alignment
7266         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
7267
7268 2009-03-27  Richard Guenther  <rguenther@suse.de>
7269
7270         PR tree-optimization/39120
7271         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
7272         constraints.
7273         (handle_lhs_call): Process return constraints.  Add escape
7274         constraints if necessary.
7275         (handle_const_call): Fill out return constraints.  Make nested
7276         case more precise.  Avoid consttmp if possible.
7277         (handle_pure_call): Fill out return constraints.  Avoid
7278         callused if possible.
7279         (find_func_aliases): Simplify call handling.
7280
7281 2009-03-27  Richard Guenther  <rguenther@suse.de>
7282
7283         PR tree-optimization/39120
7284         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
7285         as a representative.
7286         (solve_graph): Do propagate CALLUSED.
7287         (handle_pure_call): Use a scalar constraint from CALLUSED for
7288         the return value.
7289         (find_what_p_points_to): CALLUSED shall not appear in poins-to
7290         solutions.
7291
7292 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7293
7294         PR c/39323
7295         * c-common.c (handle_aligned_attribute): Properly check alignment
7296         overflow.  Use (1U << i) instead of (1 << i).
7297
7298         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
7299
7300         * expr.h (get_mem_align_offset): Updated.
7301
7302         * tree.h (tree_decl_common): Change align to "unsigned int" and
7303         move it before pointer_alias_set.
7304
7305 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7306             Jakub Jelinek  <jakub@redhat.com>
7307
7308         PR target/38034
7309         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
7310         gr_register_operand with gr_reg_or_0_operand.
7311         (cmpxchg_rel_di): Likewise.
7312         (sync_lock_test_and_set<mode>): Likewise.
7313
7314 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7315
7316         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
7317         (true_regnum): Likewise.
7318
7319         * rtlanal.c (subreg_info): Moved to ...
7320         * rtl.h (subreg_info): Here.  New.
7321         (subreg_get_info): New.
7322
7323         * rtlanal.c (subreg_get_info): Make it extern.
7324
7325 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7326
7327         PR target/39472
7328         * config/i386/i386.c (ix86_abi): New.
7329         (override_options): Handle -mabi=.
7330         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
7331         (ix86_call_abi_override): Likewise.
7332         (init_cumulative_args): Likewise.
7333         (function_arg_advance): Likewise.
7334         (function_arg_64): Likewise.
7335         (function_arg): Likewise.
7336         (ix86_pass_by_reference): Likewise.
7337         (ix86_function_value_regno_p): Likewise.
7338         (ix86_build_builtin_va_list_abi): Likewise.
7339         (setup_incoming_varargs_64): Likewise.
7340         (is_va_list_char_pointer): Likewise.
7341         (ix86_init_machine_status): Likewise.
7342         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
7343         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
7344         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
7345         (ix86_function_abi): Make it static and return enum calling_abi.
7346         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
7347         with ix86_abi.
7348         (ix86_fn_abi_va_list): Updated.
7349
7350         * config/i386/i386.h (ix86_abi): New.
7351         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
7352         (CONDITIONAL_REGISTER_USAGE): Likewise.
7353         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
7354         (machine_function): Likewise.
7355
7356         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
7357         with ix86_abi.
7358         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
7359         (STACK_BOUNDARY): Likewise.
7360         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
7361
7362         * config/i386/i386.opt (mabi=): New.
7363
7364         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
7365         return enum calling_abi.
7366         (ix86_function_type_abi): Likewise.
7367         (ix86_function_abi): Removed.
7368
7369         * doc/invoke.texi: Document -mabi= option for x86.
7370
7371 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7372
7373         * builtins.c (real_dconstp): Delete.
7374         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
7375
7376 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
7377             Jakub Jelinek  <jakub@redhat.com>
7378
7379         PR debug/37959
7380         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
7381         (gen_subprogram_die): When a function is explicit, generate the
7382         DW_AT_explicit attribute.
7383         * langhooks.h (struct lang_hooks_for_decls): Add
7384         function_decl_explicit_p langhook.
7385         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
7386         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
7387
7388 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
7389
7390         * builtins.c (fold_builtin_memory_op): Optimize memmove
7391         into memcpy if we can prove source and destination don't overlap.
7392
7393         * tree-inline.c: Include gt-tree-inline.h.
7394         (clone_fn_id_num): New variable.
7395         (clone_function_name): New function.
7396         (tree_function_versioning): Use it.
7397         * Makefile.in (GTFILES): Add tree-inline.c.
7398
7399 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
7400
7401         * BASE-VER: Change to 4.5.0.
7402
7403 2009-03-27  Xinliang David Li  <davidxl@google.com>
7404
7405         PR tree-optimization/39557
7406         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
7407
7408 2009-03-27  Xinliang David Li  <davidxl@google.com>
7409
7410         PR tree-optimization/39548
7411         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
7412         candidate check.
7413
7414 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7415
7416         * c-common.c (pointer_int_sum): Use %wd on return from
7417         tree_low_cst.
7418
7419 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7420
7421         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
7422         on return from tree_low_cst.
7423
7424 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7425
7426         PR c++/36799
7427         * ginclude/stdarg.h (va_copy): Define also for
7428         __GXX_EXPERIMENTAL_CXX0X__.
7429
7430 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7431
7432         PR c++/35652
7433         * builtins.h (c_strlen): Do not warn here.
7434         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
7435         * c-common.c (pointer_int_sum): Take an explicit location.
7436         Warn about offsets out of bounds.
7437         * c-common.h (pointer_int_sum): Adjust declaration.
7438
7439 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7440
7441         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
7442         markup glitch.
7443
7444 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
7445
7446         PR c++/39554
7447         * opts.c (warn_if_disallowed_function_p): Don't assume
7448         get_callee_fndecl must return non-NULL.
7449
7450 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
7451
7452         PR rtl-optimization/39522
7453         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
7454         when reg_reloaded_valid is set.
7455
7456 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7457
7458         * config/spu/divv2df3.c: New file.
7459         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
7460         (DPBIT_FUNCS): Filter out _div_df.
7461
7462 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
7463
7464         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
7465         a jump insn, count that jump in the distance to the loop start.
7466
7467 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
7468
7469         PR target/39523
7470         * config/sh/sh.c (calc_live_regs): Fix condition for global
7471         registers except PIC_OFFSET_TABLE_REGNUM.
7472
7473 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
7474
7475         PR/39518
7476         * doc/invoke.texi (-mconsole): New.
7477         (-mcygwin): New.
7478         (-mno-cygwin): New.
7479         (-mdll): New.
7480         (-mnop-fun-dllimport): New.
7481         (-mthread): New.
7482         (-mwin32): New.
7483         (-mwindows): New.
7484         (sub section "i386 and x86-64 Windows Options"): New.
7485
7486 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
7487
7488         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
7489         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
7490
7491 2009-03-25  Richard Guenther  <rguenther@suse.de>
7492
7493         PR middle-end/39497
7494         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
7495         of -Wno-error.
7496
7497 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
7498
7499         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
7500         neither of haifa/selective schedulers are working.
7501
7502 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7503
7504         * doc/invoke.texi (Debugging Options): Fix description of
7505         -fno-merge-debug-strings.
7506
7507 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
7508
7509         * config/cris/libgcc.ver: New version-script.
7510         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
7511
7512         * configure.ac <GAS features, nop mnemonic>: Add pattern
7513         crisv32-*-* for "nop".
7514         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
7515         * configure: Regenerate.
7516
7517 2009-03-24  Ira Rosen  <irar@il.ibm.com>
7518
7519         PR tree-optimization/39529
7520         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
7521         mark_sym_for_renaming for the tag copied to the new vector
7522         pointer.
7523
7524 2009-03-24  Arthur Loiret  <aloiret@debian.org>
7525
7526         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
7527         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
7528         EXTRA_SPEC_FUNCTIONS.
7529         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
7530         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
7531         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
7532         -march and -mtune options.
7533
7534 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
7535
7536         * config/m68k/t-rtems: Add m5329 multilib.
7537
7538 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
7539             Jakub Jelinek  <jakub@redhat.com>
7540
7541         PR debug/39524
7542         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
7543         nodes.
7544
7545 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
7546
7547         PR c/39495
7548         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
7549         instead of c_parser_expression_conv, if original_code isn't one of the
7550         4 allowed comparison codes, fail.
7551
7552 2009-03-23  Richard Guenther  <rguenther@suse.de>
7553
7554         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
7555         * tree.h (struct tree_type): Likewise.
7556         * reload.h (struct insn_chain): Likewise.
7557         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
7558         * function.h (struct function): Likewise.
7559         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
7560
7561 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
7562
7563         PR tree-optimization/39516
7564         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
7565
7566 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
7567
7568         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
7569         should be set true if BITS_PER_WORD of target is bigger than 32
7570
7571 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
7572
7573         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
7574         Translate -B-options to -rpath-link.  Correct existing
7575         rpath-link and conditionalize on !nostdlib.
7576
7577 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7578
7579         * doc/extend.texi (Function Attributes, Variable Attributes):
7580         Fix typos.
7581         * doc/invoke.texi (Debugging Options, Optimize Options)
7582         (i386 and x86-64 Options, MCore Options): Likewise.
7583
7584 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
7585
7586         PR debug/37890
7587         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
7588         it for block local namespace aliases.
7589         (gen_decl_die): Pass context_die to gen_namespace_die.
7590
7591 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
7592
7593         PR c/39495
7594         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
7595         minimum or maximum value.
7596
7597 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
7598
7599         * reginfo.c (globalize_reg): Recompute derived reg sets.
7600
7601 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
7602
7603         PR target/39063
7604         * libgcc2.c (mprotect): Do not use signed arguments for
7605         VirtualProtect, use DWORD arguments.  Also fix the 'may
7606         be used uninitialized' warning for the np variable.
7607
7608 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
7609
7610         PR target/39496
7611         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
7612         functions using regparm calling conventions when not optimizing.
7613         (ix86_function_sseregparm): Similarly for sseregparm calling
7614         conventions.
7615
7616 2009-03-19  Li Feng  <nemokingdom@gmail.com>
7617
7618         PR middle-end/39500
7619         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
7620         dependence if the first conflict is after niter iterations.
7621
7622 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
7623
7624         PR middle-end/38609
7625         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
7626         functions with dynamic stack-pointer adjustments.
7627
7628 2009-03-19  Ben Elliston  <bje@au.ibm.com>
7629
7630         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
7631         option; change to -msdata=data.
7632
7633 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7634
7635         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
7636         and -fopenmp.
7637
7638 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
7639
7640         PR target/35180
7641         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
7642
7643 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
7644
7645         * doc/invoke.texi (Code Gen Options): Expand discussion of
7646         -fno-common.
7647
7648 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
7649
7650         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
7651         * matrix-reorg.c (struct matrix_info): Likewise.
7652         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
7653         * rtl.h (struct mem_attrs): Likewise.
7654         * df.h (struct df): Likewise.
7655         * tree-data-ref.h (struct data_dependence_relation): Likewise.
7656         * ira-int.h (struct ira_allocno): Likewise.
7657         * df-scan.c (struct df_collection_rec): Likewise.
7658         * ira.c (struct equivalence): Likewise.
7659         * function.c (struct temp_slot): Likewise.
7660         * cfgloop.h (struct loop): Likewise.
7661
7662         PR debug/39485
7663         * function.c (use_register_for_decl): When not optimizing, disregard
7664         register keyword for variables with types containing methods.
7665
7666 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
7667
7668         PR middle-end/39447
7669         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
7670         (is_simple_operand): Call contains_component_ref_p before calling data
7671         reference analysis that would fail on COMPONENT_REFs.
7672
7673         * tree-vrp.c (search_for_addr_array): Fix formatting.
7674
7675 2009-03-18  Richard Guenther  <rguenther@suse.de>
7676
7677         * tree-vect-transform.c (vect_loop_versioning): Fold the
7678         generated comparisons.
7679         * tree-vectorizer.c (set_prologue_iterations): Likewise.
7680         (slpeel_tree_peel_loop_to_edge): Likewise.
7681
7682 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7683
7684         PR middle-end/37805
7685         * opts.c (print_specific_help): In addition to `undocumented',
7686         accept `separate' and `joined' flags if passed alone.  Describe
7687         output by the first matched one of those.
7688         (common_handle_option): Skip over empty strings.
7689         * gcc.c (display_help): Fix help string for `--help='.
7690         * doc/invoke.texi (Option Summary, Overall Options): With
7691         `--help=', classes and qualifiers can both be repeated, but
7692         only the latter can be negated.  One should not pass only
7693         negated qualifiers.  Fix markup and examples.
7694
7695         Revert
7696         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
7697         PR middle-end/37805
7698         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
7699         and -fhelp=separate.
7700
7701 2009-03-17  Jing Yu  <jingyu@google.com>
7702
7703         PR middle-end/39378
7704         * function.h (struct rtl_data): Move is_thunk from here...
7705         (struct function): ...to here.
7706         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
7707         * varasm.c (assemble_start_function): Change is_thunk from crtl to
7708         cfun.
7709         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
7710         cfun.
7711         (alpha_does_function_need_gp, alpha_start_function): Likewise.
7712         (alpha_output_function_end_prologue): Likewise.
7713         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
7714         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
7715         (rs6000_output_function_epilogue): Likewise.
7716         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
7717
7718 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
7719
7720         PR target/39482
7721         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
7722         from different units in a single alternative.
7723         (*truncdfsf_i387): Ditto.
7724         (*truncxfsf2_mixed): Ditto.
7725         (*truncxfdf2_mixed): Ditto.
7726
7727 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
7728
7729         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
7730         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
7731
7732         PR debug/39474
7733         * tree-ssa-live.c (remove_unused_locals): Don't remove local
7734         unused non-artificial variables when not optimizing.
7735
7736         PR debug/39471
7737         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
7738         DW_TAG_imported_module even if decl is IMPORTED_DECL with
7739         NAMESPACE_DECL in its DECL_INITIAL.
7740
7741         PR middle-end/39443
7742         * optabs.c (set_user_assembler_libfunc): New function.
7743         * expr.h (set_user_assembler_libfunc): New prototype.
7744         * c-common.c: Include libfuncs.h.
7745         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
7746         for memcmp, memset, memcpy, memmove and abort.
7747         * Makefile.in (c-common.o): Depend on libfuncs.h.
7748
7749         PR debug/39412
7750         * dwarf2out.c (gen_inlined_enumeration_type_die,
7751         gen_inlined_structure_type_die, gen_inlined_union_type_die,
7752         gen_tagged_type_instantiation_die): Removed.
7753         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
7754         do nothing.
7755
7756 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
7757
7758         PR testsuite/38526
7759         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
7760         its use.
7761         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
7762         (check-parallel-%): Ditto.
7763         (check-consistency): Ditto.
7764
7765 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
7766
7767         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
7768         local variable rhs by NULL_TREE.
7769
7770 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7771
7772         PR target/39477
7773         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
7774
7775 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7776
7777         PR target/39476
7778         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
7779
7780 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7781
7782         PR target/39473
7783         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
7784         for ms->sysv ABI calls only in 64bit mode.
7785
7786         * config/i386/i386.md (untyped_call): Support 32bit.
7787
7788 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
7789
7790         * doc/extend.texi: Replace x86_65 with x86_64.
7791
7792 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
7793
7794         PR tree-optimization/39455
7795         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
7796         mismatches for POINTER_TYPE_P (type).
7797         (number_of_iterations_le): Likewise.
7798
7799 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
7800
7801         * config/picochip/picochip.c: Removed profiling support.
7802         * config/picochip/picochip.md: Removed profiling instruction.
7803         * config/picochip/picochip.h: Removed profiling builtin.
7804
7805 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
7806
7807         * doc/install.texi (--with-host-libstdcxx): Document.
7808
7809 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
7810
7811         PR target/34299
7812         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
7813         generate a warning if the function name does not begin with
7814         "__vector" and the function has either the 'signal' or 'interrupt'
7815         attribute, from here to ...
7816         (avr_declare_function_name): ...here. New function.
7817         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
7818         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
7819
7820 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
7821
7822         PR bootstrap/39454
7823         * cse.c (fold_rtx): Don't modify original const_arg1 when
7824         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
7825         separate variable instead.
7826         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
7827         from out of range shift counts.
7828         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
7829
7830 2009-03-13  Catherine Moore  <clm@codesourcery.com>
7831
7832         * config/i386/x-mingw32 (host-mingw32.o): Replace
7833         diagnostic.h with $(DIAGNOSTIC_H).
7834
7835 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
7836
7837         PR target/39431
7838         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
7839         predicate.
7840         * config/i386/sync.md (sync_compare_and_swap<mode>,
7841         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
7842         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
7843         into a register.
7844         (sync_double_compare_and_swapdi_pic,
7845         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
7846         cmpxchg8b_pic_memory_operand instead of just memory_operand.
7847
7848 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
7849
7850         PR target/39445
7851         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
7852
7853 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
7854
7855         PR target/39327
7856         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
7857         (avx_addsubv4df3): Likewise.
7858         (*avx_addsubv4sf3): Likewise.
7859         (sse3_addsubv4sf3): Likewise.
7860
7861 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
7862
7863         PR target/38824
7864         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
7865
7866 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
7867
7868         PR debug/39432
7869         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
7870         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
7871         registers for allocnos created from user-defined variables.
7872
7873 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7874
7875         PR target/39181
7876         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
7877         of non-integer mode as well.
7878
7879 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
7880
7881         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
7882         for functions for which the parameter types are unknown.
7883
7884 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
7885
7886         PR target/39137
7887         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
7888         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
7889         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
7890         * config/i386/i386.c (ix86_local_alignment): For
7891         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
7892         long long variables on the stack to avoid dynamic realignment.
7893         Allow the first argument to be a decl rather than type.
7894         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
7895
7896 2009-03-11  Nick Clifton  <nickc@redhat.com>
7897
7898         PR target/5362
7899         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
7900         options.
7901         Add description to mno-lsim option.
7902         * config/mcore/mcore.h: Remove comment about deprecated m4align
7903         option.
7904         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
7905         * doc/invoke.texi: Add description of mno-lsim and
7906         mstack-increment options.
7907
7908         * config/fr30/fr30.opt: Document the -mno-lsim option.
7909         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
7910         and -mno-lsim options.
7911
7912 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7913
7914         * fold-const.c (fold_comparison): Only call fold_inf_compare
7915         if the mode supports infinities.
7916
7917 2009-03-11  Jason Merrill  <jason@redhat.com>
7918
7919         PR debug/39086
7920         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
7921         end already did.  Notice GIMPLE_CALL modifications of the result.
7922         Don't copy debug information from an ignored decl or a decl from
7923         another function.
7924
7925 2009-03-10  Richard Guenther  <rguenther@suse.de>
7926             Nathan Froyd  <froydnj@codesourcery.com>
7927
7928         PR middle-end/37850
7929         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
7930         (__divMODE3): Likewise.
7931
7932 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
7933
7934         PR tree-optimization/39394
7935         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
7936         DECL_SIZE_UNIT of variable length FIELD_DECLs.
7937
7938 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7939
7940         * recog.c (verfiy_changes): Disallow renaming of hard regs in
7941         inline asms for register asm ("") declarations.
7942
7943 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
7944
7945         * fold-const.c (fold_unary): Fix comment.
7946
7947 2009-03-07  Jan Hubicka  <jh@suse.cz>
7948
7949         PR target/39361
7950         * tree-inline.c (setup_one_parameter): Do replacement of const
7951         argument by constant in SSA form.
7952
7953 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7954
7955         PR middle-end/38028
7956         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
7957         determine alignment passed to assign_stack_local.
7958         (assign_parms_unsplit_complex): Likewise.
7959         * except.c (sjlj_build_landing_pads): Likewise.
7960
7961 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
7962
7963         PR middle-end/39360
7964         * tree-flow.h (add_referenced_var): Return bool instead of void.
7965         * tree-dfa.c (add_referenced_var): Return result of
7966         referenced_var_check_and_insert call.
7967         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
7968         of referenced_var_check_and_insert.
7969
7970         PR debug/39372
7971         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
7972         (gen_variable_die): Emit DW_AT_location on abstract static variable's
7973         DIE, don't emit it if abstract origin already has it.
7974         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
7975         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
7976
7977 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
7978
7979         * genpreds.c (needs_variable): Fix parentheses at variable name
7980         detection.
7981         (write_tm_constrs_h): Indent generated code.
7982
7983 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7984
7985         * doc/extend.texi (Function Attributes): Add documentation
7986         for isr attributes.
7987
7988 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
7989
7990         PR debug/39387
7991         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
7992         take locus from its DECL_SOURCE_LOCATION instead of input_location.
7993
7994 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
7995
7996         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
7997         the loop as bad.
7998
7999 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
8000
8001         PR debug/39379
8002         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
8003         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
8004
8005 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
8006
8007         * config/i386/i386.md (R8_REG, R9_REG): New constants.
8008         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
8009         constants instead of magic numbers.
8010         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
8011         (QI_REG_P): Ditto.
8012         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
8013         (x86_64_ms_abi_int_parameter_registers): Ditto.
8014         (x86_64_int_return_registers): Ditto.
8015         (ix86_maybe_switch_abi): Ditto.
8016         (ix86_expand_call): Ditto for clobbered_registers array.
8017         (ix86_hard_regno_mode_ok): Ditto.
8018         (x86_extended_QIreg_mentioned_p): Ditto.
8019
8020 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
8021
8022         PR tree-optimization/39349
8023         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
8024
8025         * combine.c (gen_lowpart_for_combine): Use omode when generating
8026         clobber.
8027
8028 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
8029
8030         PR rtl-optimization/39235
8031         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
8032
8033 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
8034
8035         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
8036
8037 2009-03-04  Richard Guenther  <rguenther@suse.de>
8038
8039         PR tree-optimization/39362
8040         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
8041         that occur in abnormal PHIs should be varying.
8042
8043 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
8044
8045         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
8046         Extend comments.
8047         (simple_iv):  Take loop as an argument instead of statement.
8048         * tree-scalar-evolution.h (simple_iv): Declaration changed.
8049         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
8050         to simple_iv.
8051         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
8052         Ditto.
8053         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
8054         * matrix-reorg.c (analyze_transpose): Ditto.
8055         * tree-data-ref.c (dr_analyze_innermost): Ditto.
8056         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
8057         * tree-predcom.c (ref_at_iteration): Ditto.
8058         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
8059
8060 2009-03-04  Richard Guenther  <rguenther@suse.de>
8061
8062         PR tree-optimization/39358
8063         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
8064         escaped_id and callused_id.
8065         (solve_graph): Likewise.
8066
8067 2009-03-04  Richard Guenther  <rguenther@suse.de>
8068
8069         PR tree-optimization/39339
8070         * tree-sra.c (try_instantiate_multiple_fields): Make it
8071         no longer ICE on the above.
8072
8073 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
8074
8075         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
8076         that fits within Pmode.
8077
8078 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
8079
8080         PR middle-end/10109
8081         * tm.texi (LIBCALL_VALUE): Update description.
8082
8083 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
8084
8085         PR middle-end/34443
8086         * doc/extend.texi (section): Update description.
8087
8088 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
8089
8090         PR middle-end/39345
8091         * tree-inline.c (remapped_type): New.
8092         (can_be_nonlocal): Call remapped_type instead of remap_type.
8093
8094 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
8095
8096         PR fortran/39354
8097         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
8098         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
8099
8100 2009-03-03  Richard Guenther  <rguenther@suse.de>
8101
8102         PR middle-end/39272
8103         * tree.c (tree_nonartificial_location): New function.
8104         * tree.h (tree_nonartificial_location): Declare.
8105         * builtins.c (expand_builtin_memory_chk): Provide location
8106         of the call location for artificial function pieces.
8107         (maybe_emit_chk_warning): Likewise.
8108         (maybe_emit_sprintf_chk_warning): Likewise.
8109         (maybe_emit_free_warning): Likewise.
8110         * expr.c (expand_expr_real_1): Likewise.
8111
8112 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
8113
8114         PR tree-optimization/39343
8115         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
8116         COMPONENT_REF t has ARRAY_TYPE.
8117
8118 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
8119
8120         PR middle-end/39335
8121         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
8122         when the type precision of the induction variable should be
8123         larger than the type precision of nit.
8124         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
8125         * graphite.c (graphite_loop_normal_form): Same.
8126         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
8127
8128 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
8129
8130         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
8131         (*call_1_rex64_ms_sysv): Use named constants instead of magic
8132         numbers to describe clobbered registers.
8133         (*call_value_0_rex64_ms_sysv): Ditto.
8134         * config/i386/mmx.md (mmx_emms): Ditto.
8135         (mmx_femms): Ditto.
8136
8137 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
8138
8139         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
8140         of ABI_64.
8141
8142 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8143
8144         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
8145         (spu_section_type_flags): New function.
8146
8147 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
8148
8149         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
8150         reg_class_contents of FLOAT_REGS into a temporary.
8151
8152 2009-03-02  Richard Guenther  <rguenther@suse.de>
8153             Ira Rosen  <irar@il.ibm.com>
8154
8155         PR tree-optimization/39318
8156         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
8157         information to the vectorized statement.
8158
8159 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
8160
8161         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
8162         variable.  Use defined names instead of magic constants for REX SSE
8163         registers.
8164
8165 2009-03-01  Richard Guenther  <rguenther@suse.de>
8166
8167         PR tree-optimization/39331
8168         * omp-low.c (lower_send_shared_vars): Do not receive new
8169         values for the reference of DECL_BY_REFERENCE parms or results.
8170
8171 2009-03-01  Jan Hubicka  <jh@suse.cz>
8172
8173         PR debug/39267
8174         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
8175         BLOCK_NONLOCALIZED_VAR): New macros.
8176         (tree_block): Add nonlocalized_vars.
8177         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
8178         gen_decl_die): Add origin argument.  Allow generation of die with
8179         origin at hand only.
8180         (gen_member_die, gen_type_die_with_usage, force_decl_die,
8181         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
8182         of gen_*.
8183         (gen_block_die): Fix checking for unused blocks.
8184         (process_scope_var): Break out from .... ; work with origins only.
8185         (decls_for_scope) ... here; process nonlocalized list.
8186         (dwarf2out_ignore_block): Look for nonlocalized vars.
8187         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
8188         vars.
8189         (dump_scope_block): Dump them.
8190         * tree-inline.c (remap_decls): Handle nonlocalized vars.
8191         (remap_block): Likewise.
8192         (can_be_nonlocal): New predicate.
8193         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
8194
8195 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8196
8197         * configure: Regenerate.
8198
8199 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8200
8201         * optc-gen.awk: No need to duplicate option flags twice.
8202         Reuse help texts for duplicate options which do not have any.
8203
8204         * gcc.c (display_help): Document --version.
8205
8206         * gcc.c (main): If print_help_list and verbose_flag, ensure
8207         driver output comes before subprocess output.
8208
8209         * optc-gen.awk: Assign all remaining fields to help string,
8210         space-separated, for multi-line help in *.opt.
8211
8212         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
8213         -Wno-pedantic-ms-format is for MinGW targets only.
8214
8215         * doc/options.texi (Option file format): Fix bad indentation,
8216         restoring dropped sentence.
8217
8218 2009-02-28  Jan Hubicka  <jh@suse.cz>
8219
8220         * tree-inline.c (tree_function_versioning): Output debug info.
8221
8222 2009-02-28  Jan Hubicka  <jh@suse.cz>
8223
8224         PR debug/39267
8225         * tree-inline.c (setup_one_parameter): Do not copy propagate
8226         arguments when not optimizing.
8227
8228 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
8229
8230         PR target/39327
8231         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
8232         (avx_addsubv4df3): Likewise.
8233         (*avx_addsubv4sf3): Likewise.
8234         (sse3_addsubv4sf3): Likewise.
8235         (*avx_addsubv2df3): Likewise.
8236         (sse3_addsubv2df3): Likewise.
8237         (avx_unpckhps256): Correct item selectors.
8238         (avx_unpcklps256): Likewise.
8239         (avx_unpckhpd256): Likewise.
8240         (avx_unpcklpd256): Likewise.
8241
8242 2009-02-28  Jan Hubicka  <jh@suse.cz>
8243
8244         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
8245         static vars.
8246         (copy_arguments_for_versioning): If var is declared don't declare it.
8247         (tree_function_versioning): First setup substitutions and then copy
8248         args.
8249
8250 2009-02-27  Jan Hubicka  <jh@suse.cz>
8251
8252         PR debug/39267
8253         * cgraph.h (varpool_output_debug_info): Remove.
8254         * cgraphunit.c (varpool_output_debug_info): Remove.
8255         * dwarf2out.c (deferred_locations_struct): New struct
8256         (deferred_locations): New type.
8257         (deferred_locations_list): New static var.
8258         (deffer_location): New function.
8259         (gen_variable_die): Use it.
8260         (decls_for_scope): Output info on local static vars.
8261         (dwarf2out_finish): Process deferred locations.
8262         * varpool.c (varpool_output_debug_info): Remove.
8263
8264 2009-02-27  Jan Hubicka  <jh@suse.cz>
8265
8266         PR debug/39267
8267         * tree.h (TREE_PROTECTED): Fix comment.
8268         (BLOCK_HANDLER_BLOCK): Remove.
8269         (struct tree_block): Remove handler_block add body_block.
8270         (inlined_function_outer_scope_p): New.
8271         (is_body_block): Remove.
8272         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
8273         * dwarf2out.c (is_inlined_entry_point): Remove.
8274         (add_high_low_attributes): Use inlined_function_outer_scope_p.
8275         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
8276         code.
8277         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
8278         * gimplify.c (gimplify_expr): Gimplify body blocks.
8279         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
8280         block with multiple subblocks.
8281         (dump_scope_block): Prettier output; dump more flags and info.
8282         (dump_scope_blocks): New.
8283         (remove_unused_locals): Use dump_scope_blocks.
8284         * tree-flow.h (dump_scope_blocks): Declare.
8285         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
8286         * stmt.c (is_body_block): Remove.
8287         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
8288         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
8289
8290 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
8291
8292         PR middle-end/39308
8293         * graphite.c (graphite_loop_normal_form): Do not call
8294         number_of_iterations_exit from a gcc_assert.
8295
8296 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
8297
8298         * config/s390/s390.c (s390_swap_cmp): Look for conditional
8299         jumps if COND is NULL.
8300         (find_cond_jump): New function.
8301         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
8302         * config/s390/s390.md: Remove z10_cobra attribute value.
8303
8304 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
8305
8306         * config/alpha/alpha.h (alpha_expand_mov): Return false if
8307         force_const_mem returns NULL_RTX.
8308
8309 2009-02-26  Jan Hubicka  <jh@suse.cz>
8310
8311         PR debug/39267
8312         * cgraph.h (varpool_output_debug_info): Remove.
8313         * cgraphunit.c (varpool_output_debug_info): Remove.
8314         * dwarf2out.c (deferred_locations_struct): New struct
8315         (deferred_locations): New type.
8316         (deferred_locations_list): New static var.
8317         (deffer_location): New function.
8318         (gen_variable_die): Use it.
8319         (decls_for_scope): Output info on local static vars.
8320         (dwarf2out_finish): Process deferred locations.
8321         * varpool.c (varpool_output_debug_info): Remove.
8322
8323 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
8324
8325         PR rtl-optimization/39241
8326         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
8327         to subreg_offset_representable_p.
8328
8329 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
8330
8331         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
8332         execute function prototype.  Get f and nregs from max_reg_num
8333         and get_insns.  Remove the first backward pass as it's dead,
8334         guard the forward pass by flag_expensive_optimizations.
8335         (rest_of_handle_regmove): Delete.
8336         (pass_regmove): Replace it with regmove_optimize.
8337
8338 2009-02-25  Martin Jambor  <mjambor@suse.cz>
8339
8340         PR tree-optimization/39259
8341         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
8342         calls_alloca function flags.
8343         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
8344         calls are detected.
8345
8346 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
8347
8348         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
8349         flags_set_1_rtx, flags_set_1_set): Delete.
8350         (regmove_optimize): Do not call mark_flags_life_zones.
8351
8352 2009-02-24  Julian Brown  <julian@codesourcery.com>
8353
8354         PR target/35965
8355         * config/arm/arm.c (require_pic_register): Only set
8356         cfun->machine->pic_reg once per function.
8357
8358 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
8359
8360         * doc/invoke.texi (Link Options): Document an easier way to pass
8361         options that take arguments to the GNU linker using -Xlinker and -Wl.
8362
8363 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
8364
8365         PR target/33785
8366         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
8367
8368 2009-02-24  Richard Guenther  <rguenther@suse.de>
8369
8370         PR debug/39285
8371         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
8372
8373 2009-02-24  Richard Guenther  <rguenther@suse.de>
8374             Zdenek Dvorak  <ook@ucw.cz>
8375
8376         PR tree-optimization/39233
8377         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
8378         from converting them to a generic type.
8379
8380 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
8381
8382         PR tree-optimization/39260
8383         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
8384         contains a condition with a real type.
8385         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
8386
8387 2009-02-23  Jason Merrill  <jason@redhat.com>
8388
8389         PR c++/38880
8390         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
8391         narrowing_initializer_constant_valid_p.
8392         (narrowing_initializer_constant_valid_p): Don't return
8393         null_pointer_node for adding a pointer to itself.
8394
8395 2009-02-23  Jan Hubicka  <jh@suse.cz>
8396
8397         PR c/12245
8398         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
8399         resizing.
8400
8401 2009-02-23  Jan Hubicka  <jh@suse.cz>
8402
8403         PR tree-optimization/37709
8404         * tree.c (block_ultimate_origin): Move here from dwarf2out.
8405         * tree.h (block_ultimate_origin): Declare.
8406         * dwarf2out.c (block_ultimate_origin): Move to tree.c
8407         * tree-ssa-live.c (remove_unused_scope_block_p):
8408         Eliminate blocks containig no instructions nor live variables nor
8409         nested blocks.
8410         (dump_scope_block): New function.
8411         (remove_unused_locals): Enable removal of dead blocks by default;
8412         enable dumping at TDF_DETAILS.
8413
8414 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
8415
8416         * config/i386/i386.c (classify_argument): Don't allow COImode
8417         and OImode.
8418         (function_arg_advance_32): Don't allow OImode.
8419         (function_arg_32): Likewise.
8420         (function_value_32): Likewise.
8421         (return_in_memory_32): Likewise.
8422         (function_arg_64): Remove OImode comment.
8423
8424 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
8425
8426         PR target/39261
8427         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
8428         ix86_expand_vector_set for V4DImode in 64bit mode only.
8429         (ix86_expand_vector_init_one_var): Likewise.
8430
8431 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
8432
8433         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
8434
8435 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
8436
8437         PR bootstrap/39257
8438         * loop-iv.c: Revert last change.
8439         * emit-rtl.c: Likewise.
8440
8441 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
8442
8443         PR target/39256
8444         * config/i386/i386.c (type_natural_mode): Remove an extra
8445         space in the warning message.
8446         (function_value_32): Handle 32-byte vector modes.
8447         (return_in_memory_32): Likewise.
8448
8449 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
8450
8451         * loop-iv.c (truncate_value): New function.
8452         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
8453         of lowpart_subreg.
8454         (lowpart_subreg): Move to...
8455         * emit-rtl.c: ...here.
8456
8457 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
8458
8459         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
8460         accidental and undocumented change at revision 140860.
8461
8462 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
8463
8464         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
8465         take gimple_seq * arguments.
8466         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
8467         types_compatible_p langhook.
8468
8469 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
8470             Joseph Myers  <joseph@codesourcery.com>
8471
8472         * config/arm/arm.c (arm_builtin_va_list): New function.
8473         (arm_expand_builtin_va_start): Likewise.
8474         (arm_gimplify_va_arg_expr): Likewise.
8475         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
8476         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
8477         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
8478         (va_list_type): New variable.
8479         (arm_mangle_type): Mangle va_list_type appropriately.
8480
8481 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
8482
8483         PR middle-end/39157
8484         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
8485         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
8486         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
8487         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
8488         parameter to 1000 for -O1 by default.
8489         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
8490         parameter.
8491         * loop-invariant.c: Include params.h.
8492         (move_loop_invariants): Don't call move_single_loop_invariants on
8493         very large loops.
8494
8495 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
8496
8497         * calls.c (emit_library_call_value_1): Use slot_offset instead of
8498         offset when calculating bounds for indexing stack_usage_map.  Fixes
8499         a buffer overflow with certain target setups.
8500
8501 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
8502
8503         PR target/39240
8504         * calls.c (expand_call): Clear try_tail_call if caller and callee
8505         disagree in promotion of function return value.
8506
8507 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
8508
8509         PR target/39175
8510         * c-common.c (c_determine_visibility): If visibility changed and
8511         DECL_RTL has been already set, call make_decl_rtl to update symbol
8512         flags.
8513
8514 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
8515
8516         PR c++/39188
8517         * varasm.c (assemble_variable): Don't check DECL_NAME when
8518         globalizing a variable.
8519
8520 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
8521
8522         PR c/38483
8523         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
8524         expression before any __builtin_trap call.
8525         * c-typeck.c (build_function_call): Convert and check function
8526         arguments before generating a call to a trap.  Evaluate the
8527         function arguments before the trap.
8528
8529 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
8530
8531         PR target/39228
8532         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
8533         (UNSPEC_FXAM_MEM): New unspec.
8534         (fxam<mode>2_i387_with_temp): New insn and split pattern.
8535         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
8536         memory using fxam<mode>2_i387_with_temp to remove excess precision.
8537
8538 2009-02-19  Richard Guenther  <rguenther@suse.de>
8539
8540         PR tree-optimization/39207
8541         PR tree-optimization/39074
8542         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
8543         storedanything_tree): New.
8544         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
8545         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
8546         (build_succ_graph): Add edges from STOREDANYTHING to all
8547         non-direct nodes.
8548         (init_base_vars): Initialize STOREDANYTHING.
8549         (compute_points_to_sets): Free substitution info after
8550         building the succ graph.
8551         (ipa_pta_execute): Likewise.
8552
8553         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
8554         field.
8555         (do_ds_constraint): Do not add to special var or non-pointer
8556         field solutions.
8557         (type_could_have_pointers): Split out from ...
8558         (could_have_pointers): ... here.  For arrays use the element type.
8559         (create_variable_info_for): Initialize may_have_pointers.
8560         (new_var_info): Likewise.
8561         (handle_lhs_call): Make the HEAP variable unknown-sized.
8562         (intra_create_variable_infos): Use a type with pointers for
8563         PARM_NOALIAS, make it unknown-sized.
8564
8565 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
8566
8567         PR target/39224
8568         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
8569
8570 2009-02-18  Jason Merrill  <jason@redhat.com>
8571
8572         PR target/39179
8573         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
8574         value if DECL_EXTERNAL.
8575         * tree-sra.c (sra_walk_gimple_assign): Likewise.
8576         * target.h (gcc_target::binds_local_p): Clarify "module".
8577         * tree.h (TREE_PUBLIC): Clarify "module".
8578
8579 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
8580
8581         PR target/38891
8582         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
8583         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
8584
8585 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
8586
8587         PR target/39082
8588         * c.opt (Wabi): Support C and ObjC.
8589         (Wpsabi): New.
8590
8591         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
8592
8593         * config/i386/i386.c (classify_argument): Warn once about the ABI
8594         change when passing union with long double.
8595
8596         * doc/invoke.texi: Update -Wabi for warning psABI changes.
8597
8598 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
8599
8600         PR c/35447
8601         * c-parser.c (c_parser_compound_statement): Always enter and leave
8602         a scope.
8603
8604 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8605
8606         PR target/34587
8607         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
8608
8609 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
8610
8611         PR tree-optimization/36922
8612         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
8613         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
8614         Likewise.
8615
8616 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
8617
8618         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
8619         to 0 for EABI64.
8620
8621 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
8622
8623         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
8624
8625 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
8626
8627         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
8628         tree sharing.
8629
8630 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
8631             Richard Sandiford  <rdsandiford@googlemail.com>
8632
8633         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
8634         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
8635         (loongson_biadd): ...this.
8636
8637 2009-02-17  Richard Guenther  <rguenther@suse.de>
8638
8639         PR tree-optimization/39202
8640         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
8641         a var make sure to follow existing collapses.
8642
8643 2009-02-17  Richard Guenther  <rguenther@suse.de>
8644
8645         PR middle-end/39214
8646         * langhooks.c (lhd_print_error_function): Check for NULL block.
8647
8648 2009-02-17  Richard Guenther  <rguenther@suse.de>
8649
8650         PR tree-optimization/39204
8651         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
8652         of the PHI arg.
8653
8654 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
8655
8656         * config/soft-fp/double.h: Update from glibc CVS.
8657
8658 2009-02-17  Richard Guenther  <rguenther@suse.de>
8659
8660         PR tree-optimization/39207
8661         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
8662         strict-aliasing warnings for pointers pointing to NULL.
8663
8664 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
8665
8666         PR c/35446
8667         * c-parser.c (c_parser_braced_init): Call pop_init_level when
8668         skipping until next close brace.
8669
8670 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
8671
8672         PR target/37049
8673         * config/i386/i386.c (ix86_expand_push): Set memory alignment
8674         to function argument boundary.
8675
8676 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
8677
8678         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
8679         in the lea_add. Reload eventually constraints it properly.
8680         * config/picochip/constraints.md: Remove the target constraint
8681         "b", since it is not needed anymore.
8682
8683 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
8684
8685         * gthr-dce.h: Uglify function parameter and local variable names.
8686         * gthr-gnat.h: Likewise.
8687         * gthr-mipssde.h: Likewise.
8688         * gthr-nks.h: Likewise.
8689         * gthr-posix95.h: Likewise.
8690         * gthr-posix.h: Likewise.
8691         * gthr-rtems.h: Likewise.
8692         * gthr-single.h: Likewise.
8693         * gthr-solaris.h: Likewise.
8694         * gthr-tpf.h: Likewise.
8695         * gthr-vxworks.h: Likewise.
8696         * gthr-win32.h: Likewise.
8697
8698 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
8699
8700         PR target/39196
8701         * config/i386/i386.md: Restrict the new peephole2 to move
8702         between MMX/SSE registers.
8703
8704 2009-02-15  Richard Guenther  <rguenther@suse.de>
8705
8706         Revert
8707         2009-02-13  Richard Guenther  <rguenther@suse.de>
8708
8709         * configure.ac: Enable LFS.
8710         * configure: Re-generate.
8711         * config.in: Likewise.
8712
8713 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8714
8715         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
8716         spu_srqwbyte, spu_srqwbytebc): Define.
8717         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
8718         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
8719         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
8720         "shrqby_<mode>"): New insn-and-split patterns.
8721         * config/spu/spu.c (expand_builtin_args): Determine and return
8722         number of operands using spu_builtin_description data.
8723         (spu_expand_builtin_1): Use it.
8724
8725 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
8726
8727         PR target/38056
8728         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
8729         TARGET_CONST_GP.
8730
8731 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
8732
8733         PR target/39149
8734         * config/i386/i386.c (override_options): Correct warning
8735         messages for -malign-loops, -malign-jumps and -malign-functions.
8736
8737 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
8738
8739         PR target/39152
8740         * config/i386/i386.md: Restrict the new peephole2 to move
8741         between the general purpose registers.
8742
8743 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
8744
8745         PR target/39162
8746         * config/i386/i386.c (type_natural_mode): Add a new argument.
8747         Return the original mode and warn ABI change if vector size is 32byte.
8748         (function_arg_advance): Updated.
8749         (function_arg): Likewise.
8750         (ix86_function_value): Likewise.
8751         (ix86_return_in_memory): Likewise.
8752         (ix86_sol10_return_in_memory): Likewise.
8753         (ix86_gimplify_va_arg): Likewise.
8754         (function_arg_32): Don't warn ABX ABI change here.
8755         (function_arg_64): Likewise.
8756
8757 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
8758
8759         * loop-iv.c (implies_p): In the final case, test that operands 0
8760         of the two comparisons match.
8761
8762         * config/bfin/bfin.c (find_prev_insn_start): New function.
8763         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
8764         (find_next_insn_start): Move.
8765
8766 2009-02-13  Richard Guenther  <rguenther@suse.de>
8767
8768         * configure.ac: Enable LFS.
8769         * configure: Re-generate.
8770         * config.in: Likewise.
8771
8772 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
8773
8774         PR c/35444
8775         * c-parser.c (c_parser_parms_list_declarator): Discard pending
8776         sizes on syntax error after some arguments have been parsed.
8777
8778 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
8779
8780         * doc/invoke.texi (-fira): Remove.
8781
8782 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8783
8784         * caller-save.c: Replace regclass.c with reginfo.c in comments.
8785         * recog.c: Likewise.
8786         * rtl.h: Likewise.
8787
8788 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
8789
8790         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
8791         (umul_ppmm): Likewise.
8792         (count_leading_zeros): Likewise.
8793         (count_trailing_zeros): Likewise.
8794         (UMUL_TIME): Likewise.
8795
8796 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8797
8798         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
8799         soft-fp/t-softfp to tmake_file.
8800
8801         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
8802         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
8803         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
8804         IA64_BUILTIN_INFQ]: New.
8805         (ia64_init_builtins): Initialize __builtin_infq,
8806         __builtin_fabsq and __builtin_copysignq if not HPUX.
8807         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
8808         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
8809
8810         * config/ia64/lib1funcs.asm (__divtf3): Define only if
8811         SHARED is defined.
8812         (__fixtfti): Likewise.
8813         (__fixunstfti): Likewise.
8814         (__floattitf): Likewise.
8815
8816         * config/ia64/libgcc-glibc.ver: New.
8817         * config/ia64/t-fprules-softfp: Likewise.
8818         * config/ia64/sfp-machine.h: Likewise.
8819
8820         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
8821         (LIBGCC2_TF_CEXT): Likewise.
8822         (TF_SIZE): Likewise.
8823         (TARGET_INIT_LIBFUNCS): Likewise.
8824
8825         * config/ia64/t-glibc (SHLINB_MAPFILES):
8826         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
8827
8828 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8829
8830         * config/i386/i386.c (construct_container): Rewrite processing
8831         BLKmode with X86_64_SSE_CLASS.
8832
8833 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
8834
8835         PR target/39152
8836         * config/i386/i386.md: Replace simplify_replace_rtx with
8837         replace_rtx in the new peephole2.
8838
8839 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
8840
8841         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
8842         loop unrolling do not happen at -O2.
8843
8844 2009-02-12  Michael Matz  <matz@suse.de>
8845
8846         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
8847
8848 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
8849
8850         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
8851         for -g3.
8852
8853 2009-02-12  Ben Elliston  <bje@au.ibm.com>
8854
8855         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
8856         patterns when updating the back chain.  Missed in the 2009-02-10
8857         change.
8858
8859 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
8860
8861         * doc/extend.texi (Decimal Floating Types): Update identifier of
8862         draft TR and list of missing support.
8863
8864 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
8865
8866         PR middle-end/39154
8867         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
8868         bit to variable length decl's flags, add it also to its
8869         pointer replacement variable.
8870
8871 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
8872             Jakub Jelinek  <jakub@redhat.com>
8873
8874         PR target/39118
8875         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
8876         (memory_blockage): New expander.
8877         (*memory_blockage): New insn pattern.
8878         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
8879         instead of general blockage at the end of function prologue when
8880         frame pointer is used to access red zone area.  Do not emit blockage
8881         when profiling, it is emitted in generic code.
8882         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
8883         function epilogue when frame pointer is used to access red zone area.
8884
8885 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
8886
8887         PR target/38824
8888         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
8889         by arithmetic with memory operands.
8890         * config/i386/predicates.md (commutative_operator): New.
8891
8892 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
8893
8894         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
8895         bulleted lists.
8896
8897 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
8898
8899         * alias.h (record_alias_subset): Declare.
8900         * alias.c (record_alias_subset): Make global.
8901
8902 2009-02-10  Nick Clifton  <nickc@redhat.com>
8903
8904         * tree-parloops.c: Change license to GPLv3.
8905         * ipa-struct-reorg.c: Change license to GPLv3.
8906         * ipa-struct-reorg.h: Change license to GPLv3.
8907
8908 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
8909
8910         PR c/39084
8911         * c-decl.c (start_struct): Return NULL on error.
8912
8913 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
8914
8915         PR middle-end/39124
8916         * cfgloopmanip.c (remove_path): Call remove_bbs after
8917         cancel_loop_tree, not before it.
8918
8919         PR target/39139
8920         * function.h (struct function): Add has_local_explicit_reg_vars bit.
8921         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
8922         VAR_DECLs were seen.
8923         * tree-ssa-live.c (remove_unused_locals): Recompute
8924         cfun->has_local_explicit_reg_vars.
8925         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
8926         copies or clearings if cfun->has_local_explicit_reg_vars.
8927
8928 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
8929
8930         PR target/39118
8931         * config/i386/i386.c (expand_prologue): Emit blockage at the end
8932         of function prologue when frame pointer is used to access
8933         red zone area.
8934
8935 2009-02-10  Richard Guenther  <rguenther@suse.de>
8936
8937         PR middle-end/39127
8938         * gimplify.c (gimple_regimplify_operands): Always look if
8939         we need to create a temporary.
8940
8941 2009-02-10  Richard Guenther  <rguenther@suse.de>
8942
8943         PR tree-optimization/39132
8944         * tree-loop-distribution.c (todo): New global var.
8945         (generate_memset_zero): Trigger TODO_rebuild_alias.
8946         (tree_loop_distribution): Return todo.
8947
8948 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
8949
8950         PR target/39119
8951         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
8952         (x86_64_reg_class_name): Removed.
8953         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
8954         first one isn't X86_64_SSE_CLASS or any other ones aren't
8955         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
8956         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
8957         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
8958         and 3 X86_64_SSEUP_CLASS.
8959         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
8960         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
8961
8962 2009-02-10  Ben Elliston  <bje@au.ibm.com>
8963
8964         * config/rs6000/rs6000.md (allocate_stack): Always use an update
8965         form instruction to update the stack back chain word, even if the
8966         user has disabled the generation of update instructions.
8967         (movdi_<mode>_update_stack): New.
8968         (movsi_update_stack): Likewise.
8969         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
8970         always use an update form instruction to update the stack back
8971         chain word.
8972
8973 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
8974
8975         PR middle-end/38953
8976         * graphite.c (if_region_set_false_region): After moving a region in
8977         the false branch of a condition, remove the empty dummy basic block.
8978         (gloog): Remove wrong fix for PR38953.
8979
8980 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8981
8982         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
8983         generation due to implicit sign extension.
8984
8985 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
8986
8987         PR middle-end/38981
8988         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
8989         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
8990
8991 2009-02-09  Richard Guenther  <rguenther@suse.de>
8992
8993         PR middle-end/35202
8994         * convert.c (convert_to_real): Disable (float)fn((double)x)
8995         to fnf(x) conversion if errno differences may occur and
8996         -fmath-errno is set.
8997
8998 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
8999
9000         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
9001         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9002         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9003
9004 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
9005
9006         PR c/35434
9007         * c-common.c (handle_alias_attribute): Disallow attribute for
9008         anything not a FUNCTION_DECL or VAR_DECL.
9009
9010 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
9011
9012         PR c/39035
9013         * real.c (do_compare): Special-case compare of zero against
9014         decimal float value.
9015
9016 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
9017
9018         PR c/36432
9019         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
9020         as indicating flexible array members unless the field itself is
9021         being declarared as the incomplete array.
9022
9023 2009-02-06  Jan Hubicka  <jh@suse.cz>
9024
9025         PR tree-optimization/38844
9026         * ipa-inline.c (try_inline): Stop inlining recursion when edge
9027         is already inlined.
9028
9029 2009-02-06  Richard Guenther  <rguenther@suse.de>
9030
9031         PR middle-end/38977
9032         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
9033         fork because we may expand it as __gcov_fork.
9034
9035 2009-02-06  Nick Clifton  <nickc@redhat.com>
9036
9037         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
9038
9039 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
9040
9041         PR tree-optimization/35659
9042         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
9043         vn_phi_eq): Shortcut if hashcode does not match.
9044         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
9045         NULL operands.
9046         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
9047         and avoid iterative_hash_expr.
9048         (FOR_EACH_VALUE_ID_IN_SET): New.
9049         (value_id_compare): Remove.
9050         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
9051         sort expressions by value id.
9052
9053 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
9054
9055         PR target/38991
9056         * config/sh/predicates.md (general_movsrc_operand): Don't check
9057         the subreg of system registers here.
9058
9059 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
9060
9061         PR c++/39106
9062         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
9063         on the copied decl.
9064
9065 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
9066
9067         PR rtl-optimization/39110
9068         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
9069         addresses, not aligned ones.
9070
9071 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
9072             Richard Guenther  <rguenther@suse.de>
9073
9074         PR tree-optimization/39100
9075         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
9076         comment says and add edges.
9077
9078 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
9079
9080         PR c/35435
9081         * c-common.c (handle_tls_model_attribute): Ignore attribute for
9082         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
9083
9084 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
9085
9086         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
9087         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
9088         register_bb_in_sese, new_sese, free_sese): Moved.
9089         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
9090         outermost_loop_in_scop, build_scop_iteration_domain,
9091         expand_scalar_variables_ssa_name, get_vdef_before_scop,
9092         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
9093         Use loop_in_sese_p instead of loop_in_scop_p.
9094         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
9095         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
9096         (scopdet_basic_block_info): Fix bug in scop detection.
9097         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
9098         eq_loop_to_cloog_loop): Remove.
9099         (nb_loops_around_loop_in_scop, nb_loop
9100         ref_nb_loops): Moved here...
9101         * graphite.h (ref_nb_loops): ... from here.
9102         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
9103         (loop_domain_dim, loop_iteration_vector_dim): Remove.
9104         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
9105         * testsuite/gcc.dg/graphite/scop-19.c: New
9106
9107 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
9108             Hans-Peter Nilsson  <hp@axis.com>
9109
9110         PR rtl-optimization/37889
9111         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
9112         Move offset handling from PLUS to before the switch.  Use new
9113         arguments when considering SYMBOL_REFs too.
9114         (rtx_addr_can_trap_p): Pass dummy offset and size.
9115         (enum may_trap_p_flags): Remove.
9116         (may_trap_p_1): Pass size from MEM_SIZE.
9117
9118         PR rtl-optimization/38921
9119         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
9120         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
9121         * rtlanal.c (may_trap_after_code_motion_p): Delete.
9122         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
9123
9124 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
9125
9126         AVX Programming Reference (January, 2009)
9127         * config/i386/sse.md (*vpclmulqdq): New.
9128
9129 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
9130
9131         PR tree-optimization/38977
9132         PR gcov-profile/38292
9133         * calls.c (special_function_p): Disregard __builtin_ prefix.
9134
9135 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
9136
9137         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
9138         non-indexable addresses even before reload.
9139
9140 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
9141
9142         PR c/29129
9143         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
9144         as having variable size.  Do not give an error for unnamed
9145         parameters with [*] declarators.  Give a warning for type names
9146         with [*] declarators and mark them as variable size.
9147         * c-parser.c (c_parser_sizeof_expression): Do not give an error
9148         for sizeof applied to [*] type names.
9149
9150 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9151
9152         PR C++/36607
9153         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
9154
9155 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
9156
9157         * gcc.c (process_command): Update copyright notice dates.
9158         * gcov.c (print_version): Likewise.
9159         * gcov-dump.c (print_version): Likewise.
9160         * mips-tfile.c (main): Likewise.
9161         * mips-tdump.c (main): Likewise.
9162
9163 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
9164
9165         PR c/35433
9166         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
9167         for composite type involving a zero-length array type.
9168
9169 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
9170
9171         PR target/35318
9172         * function.c (match_asm_constraints_1): Skip over
9173         initial optional % in the constraint.
9174
9175         PR inline-asm/39059
9176         * c-parser.c (c_parser_postfix_expression): If fixed point is not
9177         supported, don't accept FIXED_CSTs.
9178         * c-decl.c (finish_declspecs): Error if fixed point is not supported
9179         and _Sat is used without _Fract/_Accum.  Set specs->type to
9180         integer_type_node for cts_fract/cts_accum if fixed point is not
9181         supported.
9182
9183 2009-02-02  Catherine Moore  <clm@codesourcery.com>
9184
9185         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
9186
9187 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
9188
9189         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
9190         (ABI_HAS_64BIT_SYMBOLS): Use it.
9191         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
9192
9193 2009-02-02  Paul Brook  <paul@codesourcery.com>
9194
9195         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
9196
9197 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
9198
9199         PR inline-asm/39058
9200         * recog.h (asm_operand_ok): Add constraints argument.
9201         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
9202         recurse on matching constraint.
9203         (check_asm_operands): Pass constraints as 3rd argument to
9204         asm_operand_ok.  Don't look up matching constraint here.
9205         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
9206         to asm_operand_ok.
9207
9208 2009-02-02  Ben Elliston  <bje@au.ibm.com>
9209
9210         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
9211         TARGET_NARROW_VOLATILE_BITFIELD macro names.
9212
9213 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9214
9215         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
9216         information.  Remove some obsolete information.  Reorganize.
9217
9218         * config/pa/fptr.c: Revert license to GPL 2.
9219         * config/pa/milli64.S: Likewise.
9220
9221 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
9222
9223         PR target/38904
9224         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
9225         LIBRARY name in, instead of hard-coding it.
9226         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
9227         extra target make frag to tmake_files according to EH model.
9228         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
9229         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
9230         frags that define makefile variable EH_MODEL appropriately.
9231         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
9232         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
9233         to "-sjlj" according to type of EH configured.
9234         (LIBGCC_SONAME):  Concatenate it to shared library base name.
9235         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
9236         to "_sjlj" according to type of EH configured.
9237         (LIBGCC_SONAME):  Concatenate it to shared library base name.
9238         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
9239         (SHLIB_LINK):  Add missing semicolon to if-else construct.
9240         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
9241         string value of "pe_dll" command-line option.
9242         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
9243         (SHLIB_SONAME):  Use it when overriding t-cygming default.
9244         (SHLIB_IMPLIB):  Override t-cygming default.
9245         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
9246         string value of "pe_dll" command-line option.
9247
9248 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
9249
9250         PR target/38952
9251         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
9252         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
9253
9254 2009-01-31  Richard Guenther  <rguenther@suse.de>
9255
9256         PR tree-optimization/38937
9257         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
9258         computing the transitive closure.
9259
9260 2009-01-30  Richard Guenther  <rguenther@suse.de>
9261
9262         PR tree-optimization/39041
9263         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
9264         Propagate variable indices only if the types match for this stmt.
9265
9266 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
9267
9268         PR target/39013
9269         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
9270         inline but never defined.
9271
9272 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
9273
9274         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
9275         (*insv_h_di_reg_extimm): New insn.
9276         (*insv_l<mode>_reg_extimm): New insn.
9277
9278 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
9279
9280         * config/picochip/picochip.c (flag_conserve_stack): set
9281         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
9282         fconserve-stack. Reduce call-overhead used by inliner.
9283
9284 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
9285
9286         PR/38157
9287         * common.opt (flag_conserve_stack): Initialised to zero.
9288
9289 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
9290
9291         PR/39002
9292         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
9293         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
9294         method.
9295
9296 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
9297
9298         * ira-color.c (allocno_reload_assign): Update comments.
9299         * regmove.c (regmove_optimize): Likewise.
9300
9301         * ra.h: Removed.
9302
9303 2009-01-29  Robert Millan  <rmh@aybabtu.com>
9304
9305         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
9306         * config/i386/kopensolaris-gnu.h: New file.  Undefine
9307         `MD_UNWIND_SUPPORT'.
9308         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
9309
9310 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
9311
9312         PR tree-optimization/39007
9313         * tree-loop-distribution.c (generate_builtin): Use
9314         recompute_dominator to compute the immediate dominator of the
9315         basic block just after the loop.
9316
9317 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9318
9319         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
9320         (ASM_OUTPUT_DWARF_PCREL): Define.
9321
9322 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
9323
9324         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
9325         * doc/passes.texi: Remove entries about regclass, local-alloc, and
9326         global.  Modify entries about regmove and IRA.
9327
9328         * ra-conflict.c: Remove the file.
9329
9330         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
9331
9332         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
9333         (pass_regclass_init): Rename to pass_reginfo_init.
9334
9335         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
9336
9337         * toplev.h (flag_ira): Remove.
9338
9339         * caller-save.c (setup_save_areas): Remove flag_ira.
9340
9341         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
9342
9343         * global.c: Remove the file.
9344
9345         * opts.c (decode_options): Remove flag_ira.
9346
9347         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
9348
9349         * regmove.c: Modify file description.
9350         (find_use_as_address, try_auto_increment): Define them only if
9351         AUTO_INC_DEC is defined.
9352         (replacement_quality, replace_in_call_usage, fixup_match_1,
9353         stable_and_no_regs_but_for_p): Remove.
9354         (reg_set_in_bb): Make it static.
9355         (regmove_optimize): Remove flag_ira and code which worked for
9356         !flag_ira.
9357
9358         * local-alloc.c: Remove the file.
9359
9360         * common.opt (fira): Remove.
9361
9362         * ira.c: Include except.h.
9363         (eliminable_regset): Move from global.c.
9364         (mark_elimination): Ditto.  Remove flag_ira.
9365         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
9366         equiv_mem_modified, validate_equiv_mem_from_store,
9367         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
9368         contains_replace_regs, memref_referenced_p, memref_used_between_p,
9369         no_equiv, recorded_label_ref): Move from local-alloc.c.
9370         (update_equiv_regs): Ditto.  Make it static.
9371         (print_insn_chain, print_insn_chains): Move it from global.c.
9372         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
9373         (build_insn_chain): Ditto.  Make it static.
9374         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
9375         Rename to init_live_subregs.
9376         (gate_ira): Remove flag_ira.
9377
9378         * regclass.c: Rename reginfo.c.  Change file description.
9379         (FORBIDDEN_INC_DEC_CLASSES): Remove.
9380         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
9381         (init_reg_sets_1): Remove code for evaluation of
9382         reg_class_superclasses and losing_caller_save_reg_set.
9383         (init_regs): Remove init_reg_autoinc.
9384         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
9385         ok_for_base_p_nonstrict): Remove.
9386         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
9387         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
9388         corresponding entries.
9389         (dump_regclass, record_operand_costs, scan_one_insn,
9390         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
9391         record_address_regs, auto_inc_dec_reg_p): Remove.
9392         (gt-regclass.h): Rename to gt-reginfo.h.
9393
9394         * rtl.h (dump_global_regs, retry_global_alloc,
9395         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
9396
9397         * Makefile.in (RA_H): Remove.
9398         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
9399         Rename regclass.o to reginfo.o.
9400         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
9401         gt-reginfo.h.
9402         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
9403         (GTFILES): Rename regclass.c to reginfo.c.
9404
9405         * passes.c (init_optimization_passes): Remove pass_local_alloc and
9406         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
9407
9408         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
9409         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
9410         Remove flag_ira.
9411         (finish_spills): Ditto.  Remove code for !flag_ira.
9412
9413 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
9414
9415         PR middle-end/35854
9416         * doc/invoke.texi (rtl debug options): Complete rewrite.
9417         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
9418         to auto_inc_dec".
9419         * mode-switching.c (pass_mode_switching): Rename pass from
9420         "mode-sw" to "mode_sw".
9421         * except.c (pass_convert_to_eh_ranges): Rename pass from
9422         "eh-ranges" to "eh_ranges".
9423         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
9424         to "subreg1".
9425
9426
9427 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
9428             Alexander Monakov  <amonakov@ispras.ru>
9429
9430         PR middle-end/38857
9431         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
9432         register.
9433         (move_exprs_to_boundary): Change return type and pass through
9434         should_move from move_op.  Relax assert.  Update usage ...
9435         (schedule_expr_on_boundary): ... here.  Use should_move instead of
9436         cant_move.
9437         (move_op_orig_expr_found): Indicate that insn was disconnected from
9438         stream.
9439         (code_motion_process_successors): Do not call after_merge_succs
9440         callback if original expression was not found when traversing any of
9441         the branches.
9442         (code_motion_path_driver): Change return type.  Update prototype.
9443         (move_op): Update comment.  Add a new parameter (should_move).  Update
9444         prototype.  Set *should_move based on indication provided by
9445         move_op_orig_expr_found.
9446
9447 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
9448
9449         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
9450         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
9451         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
9452         * config/rs6000/rs6000.c (rs6000_override_options): Default
9453         avoid-indexed-addresses on for Power6, off for everything else.
9454         (avoiding_indexed_address_p): New function.
9455         (rs6000_legitimize_address): Use it.
9456         (rs6000_legitimate_address): Likewise.
9457         * config/rs6000/rs6000.md (movXX_updateX): Likewise
9458
9459 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
9460
9461         PR tree-optimization/38997
9462         * tree-loop-distribution.c (generate_memset_zero): Use
9463         POINTER_PLUS_EXPR for a pointer addition.
9464
9465 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
9466
9467         * config/s390/s390.md (bswap<mode>2): New pattern added.
9468
9469 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
9470
9471         * config/s390/s390.md (*tls_load_31): Added type attribute.
9472
9473 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
9474
9475         * config/s390/s390.md: Fix a few comments.
9476
9477 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
9478
9479         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
9480         (*tm<mode>_full): Fixed z10prop attribute.
9481         (*tst<mode>_extimm): Fixed z10prop attribute.
9482         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
9483         (*tstqiCCT_cconly): Fixed z10prop attribute.
9484         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
9485         (*movsi_larl): Fixed z10prop attribute.
9486         (*movsi_zarch): Fixed z10prop attribute.
9487         (*movsi_eas): Fixed z10prop attribute.
9488         (*movhi): Fixed z10prop attribute.
9489         (*movqi): Fixed z10prop attribute.
9490         (*movstrictqi): Fixed z10prop attribute.
9491         (*mov<mode>): Fixed z10prop attribute.
9492         (*movcc): Fixed z10prop attribute.
9493         (*sethighpartdi_64): Fixed z10prop attribute.
9494         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
9495         (*negdi2_sign_cc): Fixed z10prop attribute.
9496         (*negdi2_sign): Fixed z10prop attribute.
9497         (*absdi2_sign_cc): Fixed z10prop attribute.
9498         (*absdi2_sign): Fixed z10prop attribute.
9499         (*negabsdi2_sign_cc): Fixed z10prop attribute.
9500         (*negabsdi2_sign): Fixed z10prop attribute.
9501         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
9502         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
9503         (doloop_si64): Fixed z10prop attribute.
9504         (doloop_si31): Fixed z10prop attribute.
9505         (doloop_long): Fixed z10prop attribute.
9506         (indirect_jump): Fixed z10prop attribute.
9507         (nop): Fixed z10prop attribute.
9508         (main_base_64): Fixed z10prop attribute.
9509         (reload_base_64): Fixed z10prop attribute.
9510
9511 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
9512
9513         PR rtl-optimization/38740
9514         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
9515         if !optimize.
9516         * config/mips/mips.c (mips_reorg): Likewise.
9517
9518 2009-01-28  Richard Guenther  <rguenther@suse.de>
9519
9520         PR tree-optimization/38926
9521         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
9522         with the correct value id to a value.
9523         (do_regular_insertion): Use the value number of edoubleprime
9524         for the value number of the expr.
9525
9526         Revert
9527         2008-08-21  Richard Guenther  <rguenther@suse.de>
9528
9529         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
9530         a PHI ask VN if it is already available.
9531         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
9532         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
9533
9534 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
9535
9536         PR middle-end/38934
9537         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
9538         set to varying whenever max has TREE_OVERFLOW set, similarly
9539         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
9540
9541 2009-01-28  Richard Guenther  <rguenther@suse.de>
9542
9543         PR middle-end/38908
9544         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
9545         uninitialized aggregate uses in call arguments.
9546
9547 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
9548
9549         PR tree-optimization/38984
9550         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
9551         the nothing_id variable if -fno-delete-null-pointer-checks.
9552
9553 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
9554
9555         PR target/38988
9556         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
9557         (set_got_offset_rex64): Ditto.
9558
9559 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
9560
9561         PR target/38941
9562         * doc/extend.texi: Improve local variable with asm reg.
9563
9564 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
9565
9566         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
9567         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
9568         was not supplied then set warn_packed_bitfield_compat to the
9569         default value of 1.
9570         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
9571         against 1.
9572
9573 2009-01-27  Richard Guenther  <rguenther@suse.de>
9574
9575         PR tree-optimization/38503
9576         * cfgexpand.c (expand_gimple_basic_block): Ignore
9577         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
9578         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
9579         variables that cannot have TBAA applied.
9580         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
9581         statements.
9582
9583 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
9584
9585         PR middle-end/38969
9586         * calls.c (initialize_argument_information): Do not wrap complex
9587         arguments in SAVE_EXPR.
9588
9589 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
9590
9591         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
9592         (INSTALL_LIBGCC): Revert typo commit.
9593
9594 2009-01-26  Richard Guenther  <rguenther@suse.de>
9595
9596         PR tree-optimization/38745
9597         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
9598         from special handling.
9599
9600 2009-01-26  Richard Guenther  <rguenther@suse.de>
9601
9602         PR tree-optimization/38745
9603         * tree-ssa.c (execute_update_addresses_taken): Do not include
9604         variables that cannot possibly be a register in not_reg_needs.
9605         Do not clear TREE_ADDRESSABLE on vars that may not become
9606         registers.
9607         * tree-ssa.c (update_alias_info_1): Include those in the set
9608         of addressable vars.
9609
9610 2009-01-26  Richard Guenther  <rguenther@suse.de>
9611
9612         PR middle-end/38851
9613         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
9614         * tree-ssa-dse.c: Include langhooks.h
9615         (execute_simple_dse): Remove stores with zero size.
9616
9617 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
9618
9619         PR c/38957
9620         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
9621         as PLUS_EXPR.
9622
9623 2009-01-24  Julian Brown  <julian@codesourcery.com>
9624
9625         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
9626         config/arm/linux-atomic.c.
9627         * config/arm/linux-atomic.c: New.
9628
9629 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
9630
9631         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
9632         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
9633         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
9634
9635 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
9636
9637         PR c/38938
9638         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
9639         properly.
9640
9641 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
9642
9643         PR tree-optimization/38953
9644         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
9645         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
9646         (gloog): Split the exit of the scop when the scop exit is a loop exit.
9647         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
9648         changed the CFG.
9649
9650 2009-01-24  Paul Brook  <paul@codesourcery.com>
9651
9652         * config/arm/neon.md (neon_type): Move to arm.md.
9653         (neon_mov<VSTRUCT>): Add neon_type attribute.
9654         * config/arm/arm.md (neon_type): Move to here.
9655         (conds): Add "unconditioal" and use as default for NEON insns.
9656
9657 2009-01-24  Ben Elliston  <bje@au.ibm.com>
9658
9659         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
9660         void *' warning from -Wc++-compat.
9661         * Makefile.in (dominance.o-warn): Remove.
9662
9663 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
9664
9665         PR tree-optimization/38932
9666         * fold-const.c (fold_unary_ignore_overflow): New.
9667         * tree.h (fold_unary_ignore_overflow): Declare.
9668         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
9669         * tree-ssa-sccvn.c (visit_reference_op_load,
9670         simplify_unary_expression): Likewise.
9671
9672 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
9673
9674         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
9675         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
9676         regardless of their type.
9677         * c-common.c (handle_packed_attribute): Don't ignore packed on
9678         bitfields.
9679         * c.opt (Wpacked-bitfield-compat): New warning option.
9680         * stor-layout.c (place_field): Warn if offset of a field changed.
9681         * doc/extend.texi (packed): Mention the ABI change.
9682         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
9683         (Warning Options): Add it to the list.
9684
9685 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9686
9687         * c-opts.c (c_common_post_options): Fix a typo in comments.
9688
9689 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
9690
9691         PR middle-end/38615
9692         * gimplify.c (gimplify_init_constructor): Fix promotion of const
9693         variables to static.
9694         * doc/invoke.texi (-fmerge-all-constants): Update description.
9695
9696 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
9697
9698         PR target/38931
9699         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
9700         (*movdi_1_rex64): Use type "mmx" for alternative 5.
9701
9702 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
9703
9704         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
9705         a word boundary.
9706         (LOCAL_ALIGNMENT): Similarly.
9707
9708 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
9709             Joseph Myers  <joseph@codesourcery.com>
9710
9711         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
9712         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
9713         * config/arm/arm-tune.md: Regenerate.
9714         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
9715         -march=iwmmxt2.
9716
9717 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
9718
9719         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
9720         version number to five.
9721
9722 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
9723
9724         PR c++/38930
9725         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
9726         * c-common.c (set_underlying_type): Likewise.
9727         (is_typedef_decl ): Likewise
9728         * tree.h: Likewise
9729         (set_underlying_type): Likewise.
9730         (is_typedef_type): Likewise.
9731
9732 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
9733
9734         PR middle-end/38587
9735         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
9736         crossing setjmps.
9737
9738 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
9739
9740         PR bootstrap/37660
9741         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
9742         (LIBGCC_SPEC):  Don't define.
9743         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
9744
9745 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
9746
9747         PR rtl-optimization/38879
9748         * alias.c (base_alias_check): Unaligned access via AND address can
9749         alias all surrounding object types except those with sizes equal
9750         or wider than the size of unaligned access.
9751
9752 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
9753
9754         PR c++/26693
9755         * c-decl.c (clone_underlying_type): Move this ...
9756         * c-common.c (set_underlying_type): ... here.
9757         Also, make sure the function properly sets TYPE_STUB_DECL() on
9758         the newly created typedef variant type.
9759         (is_typedef_decl ): New entry point.
9760         * tree.h: Added a new member member_types_needing_access_check to
9761         struct tree_decl_non_common.
9762         (set_underlying_type): New entry point.
9763         (is_typedef_type): Likewise.
9764
9765 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
9766
9767         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
9768         Check whether two instructions have memory references that
9769         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
9770         are helper functions for traversing.
9771         * alias.h (insn_alias_sets_confilict_p): New prototypes.
9772         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
9773         not to draw dependency edge for instructions with non-conflicting
9774         alias sets.
9775
9776 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
9777
9778         PR other/38758
9779         * longlong.h: Update copyright years.  Use soft-fp license notice.
9780         Sync __clz_tab declaration with glibc.
9781
9782 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
9783
9784         PR target/30687
9785         * doc/extend.texi (syscall_linkage): New.
9786         (version_id): Modify.
9787
9788 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9789             Richard Guenther  <rguenther@suse.de>
9790
9791         PR tree-optimization/38747
9792         PR tree-optimization/38748
9793         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
9794         conversion if the base address is an indirect reference and the
9795         aliasing sets could cause issues.
9796
9797 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
9798
9799         * common.opt (fgraphite, fgraphite-identity): Add comment for
9800         explaining why these options are not documented.
9801
9802 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
9803
9804         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
9805         gimple_call_lhs is NULL.
9806
9807 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
9808
9809         PR target/38868
9810         * emit-rtl.c (adjust_address_1): Make sure memref is never
9811         overwritten.
9812
9813 2009-01-20  Ben Elliston  <bje@au.ibm.com>
9814
9815         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
9816         const qualifier from arg parameter. Remove unnecessary cast to char *.
9817         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
9818         const qualifier from arg 2.
9819
9820 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
9821
9822         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
9823
9824 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
9825
9826         PR c/38869
9827         * rtl.h (reinit_regs): New prototype.
9828         * regclass.c: Include ira.h.
9829         (reinit_regs): New.
9830         * Makefile.in (regclass.o): Add ira.h.
9831         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
9832
9833 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
9834
9835         PR target/38736
9836         * c-common.c (handle_aligned_attribute): Use
9837         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
9838         default alignment value.
9839
9840         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
9841
9842         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
9843         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
9844
9845         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
9846         __BIGGEST_ALIGNMENT__.
9847
9848         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
9849
9850 2009-01-18  Richard Guenther  <rguenther@suse.de>
9851
9852         PR tree-optimization/38819
9853         * tree-flow.h (operation_could_trap_helper_p): Declare.
9854         * tree-eh.c (operation_could_trap_helper_p): Export.
9855         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
9856         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
9857         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
9858         are about to insert a possibly trapping instruction and fail
9859         in this case.
9860
9861 2009-01-18  Andreas Schwab  <schwab@suse.de>
9862
9863         * doc/install.texi (Configuration): Remove obsolete paragraph
9864         about use of --with-gnu-ld with --with-gnu-as.
9865
9866 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
9867
9868         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
9869         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
9870         Follow spelling conventions.
9871
9872 2009-01-18  Ben Elliston  <bje@au.ibm.com>
9873
9874         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
9875         C++ warning about implicit conversion from void * to struct
9876         bitmap_head_def *.
9877         (bitmap_obstack_free): Likewise for bitmap_element *.
9878         * Makefile.in (bitmap.o-warn): Remove.
9879
9880 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
9881
9882         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
9883
9884 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
9885             Tobias Grosser  <tobi.grosser@amd.com>
9886
9887         * graphite.c (graphite_trans_scop_block): Do not block single
9888         nested loops.
9889
9890 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
9891
9892         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
9893         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
9894         test with assertion.
9895
9896 2009-01-16  Richard Guenther  <rguenther@suse.de>
9897
9898         PR tree-optimization/38835
9899         PR middle-end/36227
9900         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
9901         and INT + PTR -> (INT)(PTR p+ INT) folding.
9902         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
9903
9904 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
9905
9906         PR target/38554
9907         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
9908         the subreg from a lowpart subreg if it is also casting the value.
9909
9910 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9911             Tobias Grosser  <tobi.grosser@amd.com>
9912
9913         * graphite.c (compare_prefix_loops): New.
9914         (build_scop_canonical_schedules): Rewritten.
9915         (graphite_transform_loops): Move build_scop_canonical_schedules
9916         after build_scop_iteration_domain.
9917
9918 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9919             Tobias Grosser  <tobi.grosser@amd.com>
9920
9921         * graphite.c (add_conditions_to_domain): Add the loops to
9922         the dimension of the iteration domain.  Do copy the domain
9923         only when it exists.
9924         (build_scop_conditions_1): Do not call add_conditions_to_domain.
9925         (add_conditions_to_constraints): New.
9926         (can_generate_code_stmt, can_generate_code): Removed.
9927         (gloog): Do not call can_generate_code.
9928         (graphite_transform_loops): Call add_conditions_to_constraints
9929         after building the iteration domain.
9930
9931 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
9932
9933         PR tree-optimization/38789
9934         * tree-ssa-threadedge.c
9935         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
9936         __builtin_constant_p.
9937
9938 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
9939
9940         * dce.c (delete_unmarked_insns): Reversed the order that insns are
9941         examined before deleting them.
9942
9943 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
9944
9945         * function.c (aggregate_value_p): Correctly extract the function
9946         type from CALL_EXPR_FN lookup.
9947
9948 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
9949
9950         * config/picochip/picochip.c (picochip_override_options): Revert
9951         CFI asm flag disable commited previously.
9952
9953 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
9954             Tobias Grosser  <tobi.grosser@amd.com>
9955             Jan Sjodin  <jan.sjodin@amd.com>
9956
9957         * graphite.c (scan_tree_for_params): On substractions negate
9958         all the coefficients of the term.
9959         (clast_to_gcc_expression_red): New.  Handle reduction expressions
9960         of more than two operands.
9961         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
9962         (get_vdef_before_scop): Handle also the case of default definitions.
9963
9964 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
9965
9966         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
9967         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
9968         Also use them when walking CALL_INSN_FUNCTION_USAGE.
9969
9970 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
9971             Joey Ye  <joey.ye@intel.com>
9972
9973         PR middle-end/37843
9974         * cfgexpand.c (expand_stack_alignment): Don't update stack
9975         boundary nor check incoming stack boundary here.
9976         (gimple_expand_cfg): Update stack boundary and check incoming
9977         stack boundary here.
9978
9979 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
9980
9981         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
9982
9983 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
9984
9985         PR rtl-optimization/38245
9986         * calls.c (expand_call): Add stack arguments to
9987         CALL_INSN_FUNCTION_USAGE even for pure calls (when
9988         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
9989         in regs and partially in memory or BLKmode arguments.
9990         (emit_library_call_value_1): Add stack arguments to
9991         CALL_INSN_FUNCTION_USAGE even for pure calls (when
9992         ACCUMULATE_OUTGOING_ARGS).
9993         * dce.c: Include tm_p.h.
9994         (find_call_stack_args): New function.
9995         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
9996         argument.
9997         (mark_insn): Call find_call_stack_args for CALL_Ps.
9998         (prescan_insns_for_dce): Walk insns backwards in bb rather than
9999         forwards.  Allocate and free arg_stores bitmap if needed, pass it
10000         down to deletable_insn_p, don't mark stores set in arg_stores
10001         bitmap, clear the bitmap at the beginning of each bb.
10002         * Makefile.in (dce.o): Depend on $(TM_P_H).
10003
10004 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
10005
10006         PR target/22599
10007         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
10008         to make sure the insn is a conditional test (bug 22599).  Reformat a
10009         few long lines.
10010
10011 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
10012
10013         PR middle-end/38431
10014         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
10015         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
10016         (gloog): Do not call cleanup_tree_cfg.
10017         (graphite_transform_loops): Call cleanup_tree_cfg after all
10018         scops have been code generated.
10019
10020 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
10021         * doc/gty.texi (Invoking the garbage collector): Added new node
10022         and section documenting ggc_collect.
10023
10024 2009-01-14  Richard Guenther  <rguenther@suse.de>
10025
10026         PR tree-optimization/38826
10027         PR middle-end/38477
10028         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
10029         initialization notes only if we actually emitted a warning.
10030         (intra_create_variable_infos): Add constraints for a result decl
10031         that is passed by hidden reference.
10032         (build_pred_graph): Mark all related variables non-direct on
10033         address-taking.
10034
10035 2009-01-14  Nick Clifton  <nickc@redhat.com>
10036
10037         * ira-conflicts.c: Include addresses.h for the definition of
10038         base_reg_class.
10039         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
10040         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
10041
10042 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
10043
10044         PR target/38811
10045         * Makefile.in (ira-lives.o): Add except.h.
10046
10047         * ira-lives.c: Include except.h.
10048         (process_bb_node_lives): Process can_throw_internal.
10049
10050 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
10051
10052         PR rtl-optimization/38774
10053         * combine.c (simplify_set): When undoing cc_use change, don't do
10054         PUT_CODE on the newly created comparison, but instead put back the
10055         old comparison.
10056
10057 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
10058
10059         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
10060         values.  Remove duplicate arm8 entry.
10061
10062 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
10063
10064         PR tree-optimization/38786
10065         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
10066         the SSA_NAME case of expand_scalar_variables_expr.
10067         Set the type of an expression to the type of its assign statement.
10068         (expand_scalar_variables_expr): Also gather the scalar computation
10069         used to index the memory access.  Do not pass loop_p.
10070         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
10071         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
10072         the gimple_stmt_iterator where it inserts new code.
10073         Do not pass loop_p.
10074         (copy_bb_and_scalar_dependences): Do not pass loop_p.
10075         (translate_clast): Update call to copy_bb_and_scalar_dependences.
10076
10077 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
10078
10079         * graphite.h (debug_value): Removed.
10080         * graphite.c (debug_value): Removed.
10081
10082 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
10083
10084         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
10085         ldrd/strd with two 32-bit instructions.
10086
10087 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
10088
10089         * config/arm/arm.c (struct processors): Pass for speed down into
10090         cost helper functions.
10091         (const_ok_for_op): Handle COMPARE and inequality nodes.
10092         (arm_rtx_costs_1): Rewrite.
10093         (arm_size_rtx_costs): Update prototype.
10094         (arm_rtx_costs): Pass speed down to helper functions.
10095         (arm_slowmul_rtx_costs): Rework cost calculations.
10096         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
10097         (arm_9e_rtx_costs): Likewise.
10098
10099 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
10100
10101         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
10102         relocations of local symbols wider than UNITS_PER_WORD are not valid.
10103         (alpha_legitimize_address): Do not split local symbols wider than
10104         UNITS_PER_WORD into HIGH/LO_SUM parts.
10105
10106 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
10107
10108         PR bootstrap/38580
10109         * gcc.c (process_command): Replace call to execvp with calls
10110         to pex_one and exit.
10111
10112 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
10113
10114         PR target/29141
10115         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
10116         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
10117         variant for devices with 3-byte PC.
10118         (__tablejump_elpm__): New.
10119
10120 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
10121
10122         PR c/32041
10123         * c-parser.c (c_parser_postfix_expression): Allow `->' in
10124         offsetof member-designator, handle it as `[0].'.
10125
10126 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10127
10128         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
10129         function when not using named sections on targets with named sections
10130         if branch distance is less than 262132.
10131
10132 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
10133
10134         * combine.c (combine_instructions):  Recompute
10135         optimize_this_for_speed_p  for each BB in the main combine loop.
10136
10137 2009-01-12  Tomas Bily  <tbily@suse.cz>
10138
10139         PR middlend/38385
10140         * tree-loop-distribution.c (prop_phis): New function.
10141         (generate_builtin): Call prop_phis.
10142         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
10143
10144 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
10145
10146         PR tree-optimization/38807
10147         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
10148         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
10149
10150 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
10151
10152         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
10153         subreg of op0 to the original op0.
10154
10155 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
10156
10157         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
10158
10159 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
10160
10161         PR debug/7055
10162         * mips-tfile.c (parse_def): Fix parsing of def strings
10163         starting with digits.
10164
10165 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
10166
10167         PR target/38695
10168         * config/arm/arm.c (arm_is_long_call_p): Don't call
10169         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
10170
10171 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
10172
10173         * regrename.c (regrename_optimize): Fix dumping.
10174         (find_oldest_value_reg): Preserve REG_POINTER.
10175         (copy_hardreg_forward_1): Likewise.
10176
10177 2009-01-09  Diego Novillo  <dnovillo@google.com>
10178
10179         * gimple.h (struct gimple_statement_base) <uid>: Document
10180         the restrictions on its use.
10181         (gimple_uid): Tidy.
10182         (gimple_set_uid): Tidy.
10183
10184 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
10185
10186         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
10187         zero guard even if align_bytes != 0 and count is smaller than
10188         size_needed.
10189
10190 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
10191
10192         PR rtl-optimization/38495
10193         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
10194         (add_range_and_copies_from_move_list): Print all added ranges.
10195         Add ranges to memory optimized destination.
10196
10197 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
10198
10199         PR target/38686
10200         PR target/38708
10201         * config/i386/i386.c (override_options): Reject
10202         -mstringop-strategy=rep_8byte with -m32.
10203         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
10204         to 1.  Do count comparison against epilogue_size_needed at compile
10205         time even when count_exp was constant forced into register.  For
10206         size_needed don't jump to epilogue, instead just avoid aligning
10207         and invoke the body algorithm.  If need_zero_guard, add zero guard
10208         even if count is non-zero, but smaller than size_needed + number of
10209         bytes that could be stored for alignment.
10210         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
10211         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
10212         but smaller than size_needed + number of bytes that could be stored
10213         for alignment.  Compare size_needed with epilogue_size_needed instead
10214         of desired_align - align, don't adjust size_needed, pass
10215         epilogue_size_needed to the epilogue expanders.
10216
10217         PR c/35742
10218         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
10219
10220 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10221
10222         * pa.c (last_address): Change to unsigned.
10223         (update_total_code_bytes): Change argument to unsigned.  Don't
10224         check if insn addresses are set.
10225         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
10226         addresses are not set.
10227         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
10228
10229 2009-01-09  Nick Clifton  <nickc@redhat.com>
10230
10231         * config/sh/symbian.c: Replace uses of DECL_INLINE with
10232         DECL_DECLARED_INLINE_P.
10233
10234 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
10235
10236         PR middle-end/38347
10237         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
10238         GET_MODE (op0) in operand_subword_force calls.
10239
10240         PR middle-end/38771
10241         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
10242         fold_convert arg0 operands to TREE_TYPE (op0) first.
10243
10244 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
10245
10246         * params.def (ira-max-conflict-table-size): Decrease default value
10247         to 1000.
10248
10249 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
10250
10251         PR tree-optimization/37031
10252         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
10253         on parameter_set.
10254         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
10255         allocate it using gc instead of heap, use VEC_quick_push instead of
10256         VEC_safe_push.
10257         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
10258         instead of heap, use VEC_quick_push instead of VEC_safe_push.
10259         * tree-data-ref.h (struct access_matrix): Change matrix to gc
10260         allocated vector from heap allocated.
10261         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
10262         * tree-loop-linear.c (linear_transform_loops): Allocate nest
10263         vector only after perfect_loop_nest_depth call.
10264
10265 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
10266             Jan Sjodin  <jan.sjodin@amd.com>
10267
10268         PR tree-optimization/38559
10269         * graphite.c (debug_value, copy_constraint,
10270         swap_constraint_variables, scale_constraint_variable, ): New.
10271         (get_lower_bound, get_upper_bound): Removed.
10272         (graphite_trans_bb_strip_mine): Clean up this code that works
10273         only for constant number of iterations.  Fully copy upper and
10274         lower bound constraints, not only the constant part of them.
10275         * graphite.h (debug_value): Declared.
10276
10277 2009-01-08  Ira Rosen  <irar@il.ibm.com>
10278
10279         PR tree-optimization/37194
10280         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
10281         Don't add the cost of cost model guard in prologue to scalar
10282         outside cost in case of known number of iterations.
10283
10284 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
10285             Alan Modra  <amodra@bigpond.net.au>
10286
10287         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
10288         non-word-aligned REG+CONST addressing.
10289
10290 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
10291
10292         PR target/38706
10293         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
10294         free_after_compilation when outputting a thunk.
10295         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
10296         Do not call free_after_compilation here.
10297
10298 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
10299
10300         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
10301         (ix86_valid_target_attribute_inner_p): Ditto.
10302
10303 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
10304
10305         PR tree-optimization/38492
10306         PR tree-optimization/38498
10307         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
10308         * tree-chrec.h (scev_is_linear_expression): Declared.
10309         * graphite.c (graphite_cannot_represent_loop_niter): New.
10310         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
10311         (graphite_loop_normal_form): Use gcc_assert.
10312         (scan_tree_for_params): Use CASE_CONVERT.
10313         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
10314         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
10315         Use gcc_assert.  Discard scops that contain unhandled cases.
10316         (build_scop_conditions): Return a boolean status for unhandled cases.
10317         (strip_mine_profitable_p): Print the loop number, not its depth.
10318         (is_interchange_valid): Pass the depth of the loop nest, don't
10319         recompute it wrongly.
10320         (graphite_trans_bb_block): Same.
10321         (graphite_trans_bb_block): Print tentative of loop blocking.
10322         (graphite_trans_scop_block): Do not print that the loop has been
10323         blocked.
10324         (graphite_transform_loops): Do not handle scops that contain condition
10325         scalar phi nodes.
10326
10327 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
10328
10329         AVX Programming Reference (December, 2008)
10330         * config/i386/avxintrin.h (_mm256_stream_si256): New.
10331         (_mm256_stream_pd): Likewise.
10332         (_mm256_stream_ps): Likewise.
10333
10334         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
10335         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
10336         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
10337         (bdesc_special_args): Add __builtin_ia32_movntdq256,
10338         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
10339         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
10340         (ix86_expand_special_args_builtin): Likewise.
10341
10342         * config/i386/sse.md (AVXMODEDI): New.
10343         (avx_movnt<mode>): Likewise.
10344         (avx_movnt<mode>): Likewise.
10345         (<sse>_movnt<mode>): Remove AVX support.
10346         (sse2_movntv2di): Likewise.
10347
10348 2009-01-07  Richard Guenther  <rguenther@suse.de>
10349
10350         PR middle-end/38751
10351         * fold-const.c (extract_muldiv): Remove obsolete comment.
10352         (fold_plusminus_mult_expr): Undo MINUS_EXPR
10353         to PLUS_EXPR canonicalization for the canonicalization.
10354
10355 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
10356
10357         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
10358         hosted cross-compilers generating less efficient code.
10359
10360 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
10361
10362         * function.h (rtl_data): Add a dbr_scheduled_p field.
10363         * reorg.c (dbr_schedule): Set it.
10364         (gate_handle_delay_slots): Check it.
10365         * config/mips/mips.c (mips_base_delayed_branch): Delete.
10366         (mips_reorg): Check flag_delayed_branch instead of
10367         mips_base_delayed_branch.
10368         (mips_override_options): Don't set mips_base_delayed_branch
10369         or flag_delayed_branch.
10370
10371 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
10372
10373         PR rtl-optimization/38426.
10374         * ira.c (ira): Set current_function_is_leaf earlier.
10375
10376 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
10377
10378         PR rtl-optimization/38722
10379         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
10380         too early, only set a flag and modify after last possible
10381         undo_all point.
10382
10383 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
10384
10385         PR c/34252
10386         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
10387         * real.c (decimal_single_format): Correct values of emin and emax.
10388         (decimal_double_format): Ditto.
10389         (decimal_quad_format): Ditto.
10390         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
10391         computation of DECnn_MIN and DECnn_MAX for corrected values of
10392         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
10393         __DECnn_MIN__, and adjust its computation for the corrected value
10394         of emin.
10395
10396 2009-01-06  Jan Hubicka  <jh@suse.cz>
10397
10398         PR target/38744
10399         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
10400
10401 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
10402
10403         * doc/contrib.texi (Contributors): Slightly adjust the end note.
10404         Add Robert Clark to the list of testers.
10405
10406 2009-01-06  Jan Hubicka  <jh@suse.cz>
10407             Kai Tietz  <kai.tietz@onevision.com>
10408
10409         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
10410         * config/i386/i386.c (ix86_expand_call): Add clobbers.
10411
10412 2009-01-06  Jan Hubicka  <jh@suse.cz>
10413             Kai Tietz  <kai.tietz@onevision.com>
10414
10415         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
10416         for w64 ABI.
10417         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
10418         (ix86_nsaved_regs): Count only general purpose regs.
10419         (ix86_nsaved_sseregs): New.
10420         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
10421         to 16 for w64; compute padding and size of sse reg save area.
10422         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
10423         general purpose regs.
10424         (ix86_emit_save_sse_regs_using_mov): New.
10425         (ix86_expand_prologue): Save SSE regs if needed.
10426         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
10427         (ix86_emit_restore_sse_regs_using_mov): New.
10428         (ix86_expand_epilogue): Save SSE regs if needed.
10429
10430 2009-01-06  Jan Hubicka  <jh@suse.cz>
10431             Kai Tietz  <kai.tietz@onevision.com>
10432
10433         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
10434         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
10435         functions when accumulate outgoing args is off.
10436
10437 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
10438
10439         PR bootstrap/38742
10440         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
10441         before using pseudos_have_intersected_live_ranges_p.
10442
10443         * ira-int.h (ira_assert): Always define.
10444
10445 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
10446
10447         AVX Programming Reference (December, 2008)
10448         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
10449         (_mm256_permute2_pd): Likewise.
10450         (_mm_permute2_ps): Likewise.
10451         (_mm256_permute2_ps): Likewise.
10452         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
10453         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
10454
10455         * config/i386/i386.c (ix86_builtins): Remove
10456         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
10457         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
10458         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
10459         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
10460         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
10461         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
10462         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
10463         __builtin_ia32_vpermil2ps256.
10464         (ix86_init_mmx_sse_builtins): Updated.
10465         (ix86_expand_args_builtin): Likewise.
10466
10467 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10468
10469         * pa.c (output_call): Relocate non-jump insns in the delay slot of
10470         long absolute calls when generating PA 2.0 code.
10471
10472 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
10473
10474         PR rtl-optimization/38583
10475         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
10476
10477         * params.def (ira-max-conflict-table-size): New.
10478
10479         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
10480
10481         * ira.h (ira_conflicts_p): New external definition.
10482
10483         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
10484         table.  Report this.  Return result of building.
10485         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
10486         building conflict table.
10487
10488         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
10489         (ira_color): Use ira_conflicts_p.
10490
10491         * global.c: Include ira.h.
10492         (pseudo_for_reload_consideration_p, build_insn_chain): Use
10493         ira_conflicts_p.
10494
10495         * Makefile.in (global.o): Add ira.h.
10496
10497         * ira-build.c (mark_all_loops_for_removal,
10498         propagate_some_info_from_allocno): New.
10499         (remove_unnecessary_allocnos): Call
10500         propagate_some_info_from_allocno.
10501         (remove_low_level_allocnos): New.
10502         (remove_unnecessary_regions): Add parameter.  Call
10503         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
10504         parameter to remove_unnecessary_regions.
10505         (ira_build): Remove all regions but root if the conflict table was
10506         not built.  Update conflict hard regs for allocnos crossing calls.
10507
10508         * ira.c (ira_conflicts_p): New global.
10509         (ira): Define and use ira_conflicts_p.
10510
10511         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
10512         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
10513         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
10514
10515 2009-01-06  Ben Elliston  <bje@au.ibm.com>
10516
10517         * gengtype-lex.l (YY_NO_INPUT): Define.
10518
10519 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10520
10521         PR c/34911
10522         * c-common.c (handle_vector_size_attribute): Also reject
10523         BOOLEAN_TYPE types.
10524
10525 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
10526
10527         PR tree-optimization/38492
10528         * graphite.c (rename_map_elt, debug_rename_elt,
10529         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
10530         rename_map_elt_info, eq_rename_map_elts,
10531         get_new_name_from_old_name, bb_in_sese_p): Moved around.
10532         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
10533         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
10534         (sese_build_livein_liveouts): New.
10535         (new_sese, free_sese): New.
10536         (new_scop): Call new_sese.
10537         (free_scop): Call free_sese.
10538         (rename_variables_from_edge, rename_phis_end_scop): Removed.
10539         (register_old_new_names): Renamed register_old_and_new_names.
10540         (register_scop_liveout_renames, add_loop_exit_phis,
10541         insert_loop_close_phis, struct igp,
10542         default_liveout_before_guard, add_guard_exit_phis,
10543         insert_guard_phis, copy_renames): New.
10544         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
10545         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
10546         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
10547         (scop_adjust_phis_for_liveouts): New.
10548         (gloog): Call scop_adjust_phis_for_liveouts.
10549
10550         * graphite.h (struct sese): Documented.  Added fields liveout,
10551         num_ver and livein.
10552         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
10553         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
10554         (struct scop): Added field liveout_renames.
10555         (SCOP_LIVEOUT_RENAMES): New.
10556
10557 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10558
10559         PR tree-optimization/38510
10560         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
10561         (translate_clast): Call recompute_all_dominators before
10562         graphite_verify.
10563         (gloog): Call recompute_all_dominators before graphite_verify.
10564
10565 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10566             Jan Sjodin  <jan.sjodin@amd.com>
10567
10568         PR tree-optimization/38500
10569         * graphite.c (create_sese_edges): Call fix_loop_structure after
10570         splitting blocks.
10571
10572 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
10573
10574         * config.gcc: Add m32r*-*-rtems*.
10575         * config/m32r/rtems.h: New file.
10576
10577 2009-01-05  Ben Elliston  <bje@au.ibm.com>
10578
10579         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
10580         (.po.pox): Likewise.
10581         (po/gcc.pot): Likewise.
10582
10583 2009-01-04  David S. Miller  <davem@davemloft.net>
10584
10585         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
10586         (STARTING_FRAME_OFFSET): Always set to zero.
10587
10588 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
10589
10590         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
10591         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
10592         fixed-point types, and vectors of the same.
10593
10594 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
10595
10596         * config/mips/sync.md (*mb_barrier): Rename to...
10597         (*memory_barrier): ...this.
10598
10599 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
10600
10601         * doc/extend.texi (Function Attributes): Move @cindex after @item
10602         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
10603         and put in alphabetical order. Fix 'target' name and put in order.
10604         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
10605         typos.
10606
10607 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
10608
10609         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
10610         (memory_barrier): Expand as unspec instead of unspec_volatile.
10611         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10612         (*memory_barrier): Define as unspec instead of unspec_volatile.
10613         Use (match_dup 0) as input operand.
10614
10615         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
10616         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
10617         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
10618         scratch register.  Remove operand 1.
10619         (*stbar): Define as unspec instead of unspec_volatile.
10620         Use (match_dup 0) as input operand, remove (const_int 8).
10621         (*membar): Define as unspec instead of unspec_volatile.
10622         Use (match_dup 0) as input operand, remove input operand 2.
10623
10624         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
10625         (memory_barrier): Expand as unspec instead of unspec_volatile.
10626         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10627         (*memory_barrier): Define as unspec instead of unspec_volatile.
10628         Use (match_dup 0) as input operand.
10629
10630         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
10631         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10632         Set volatile flag on operand 0.
10633         (*memory_barrier): New insn pattern.
10634
10635         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
10636         insn operands.
10637         (*memory_barrier): Use (match_dup 0) as input operand.
10638
10639         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
10640         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10641         Set volatile flag on operand 0.
10642         (*mb_internal): New insn pattern.
10643
10644         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
10645
10646 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
10647
10648         PR middle-end/38586
10649         * function.c (struct temp_slot): Move to the section of the file
10650         that deals with temp slots.  Remove field 'address'.
10651         (temp_slot_address_table): New hash table of address -> temp slot.
10652         (struct temp_slot_address_entry): New struct, items for the table.
10653         (temp_slot_address_compute_hash, temp_slot_address_hash,
10654         temp_slot_address_eq, insert_temp_slot_address): Support functions
10655         for the new table.
10656         (find_temp_slot_from_address): Rewrite to use the new hash table.
10657         (remove_unused_temp_slot_addresses): Remove addresses of temp
10658         slots that have been made available.
10659         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
10660         worker function for remove_unused_temp_slot_addresses.
10661         (assign_stack_temp_for_type): Don't clear the temp slot address list.
10662         Add the temp slot address to the address -> temp slot map.
10663         (update_temp_slot_address): Update via insert_temp_slot_address.
10664         (free_temp_slots): Call remove_unused_temp_slot_addresses.
10665         (pop_temp_slots): Likewise.
10666         (init_temp_slots): Allocate the address -> temp slot map, or empty
10667         the map if it is already allocated.
10668         (prepare_function_start): Initialize temp slot processing.
10669
10670 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
10671
10672         PR middle-end/38584
10673         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
10674         Calculate the size of all stack vars assuming no packing of stack
10675         vars will happen, replacing a quadratic algorithm with a linear one.
10676
10677 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
10678
10679         PR target/38707
10680         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
10681         can't be used.
10682
10683 2009-01-03  Diego Novillo  <dnovillo@google.com>
10684
10685         * doc/contrib.texi: Update contributions.
10686
10687 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
10688
10689         PR c++/38705
10690         * builtins.c (fold_builtin_memory_op): Give up if either operand
10691         is volatile.  Set srctype or desttype to non-qualified version
10692         of the other type.
10693
10694         PR c/38700
10695         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
10696         and FUNCTION_DECLs.
10697
10698 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
10699
10700         PR rtl-optimization/35805
10701         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
10702         problem if fast dce is able to remove any instructions.
10703         * dce.c (dce_process_block): Fix dump message.
10704
10705 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
10706
10707         PR 33649
10708         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
10709
10710 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
10711
10712         PR middle-end/38690
10713         * tree-flow.h (op_code_prio, op_prio): New prototypes.
10714         * tree-pretty-print.c (op_code_prio): New function.
10715         (op_prio): No longer static.  Use op_code_prio.
10716         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
10717         Use op_prio and op_code_prio to determine if () should be
10718         printed around operand(s) or not.
10719
10720         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
10721         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
10722         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
10723         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
10724         pp_character instead of pp_string for single letter printing.
10725
10726 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
10727
10728         * doc/extend.texi: Fix '#pragma GCC option' typo.
10729
10730 2009-01-02  Richard Guenther  <rguenther@suse.de>
10731
10732         * doc/install.texi (--enable-checking): Mention different
10733         default for stage1.
10734         (--enable-stage1-checking): Document.
10735
10736 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
10737
10738         PR middle-end/30142
10739         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
10740         case to be an error.
10741
10742 2009-01-02  Ben Elliston  <bje@au.ibm.com>
10743
10744         * config/fp-bit.h (pack_d): Constify argument.
10745         * config/fp-bit.c (makenan): Constify return type. Remove casts.
10746         (isnan): Constify argument.
10747         (isinf): Likewise.
10748         (iszero): Likewise.
10749         (pack_d): Likewise.
10750         (_fpadd_parts): Constify return type.
10751         (_fpmul_parts): Likewise.
10752         (_fpdiv_parts): Likewise.
10753
10754 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
10755
10756         PR c/36489
10757         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
10758         warn about overwriting initializer with side-effects or
10759         -Woverride-init if !IMPLICIT.
10760         (output_init_element): Likewise.  Pass IMPLICIT down to
10761         add_pending_init.
10762         (process_init_element): Add IMPLICIT argument.  Pass it down
10763         to output_init_element.
10764         (push_init_element, pop_init_level, set_designator): Adjust
10765         process_init_element callers.
10766         (set_nonincremental_init, set_nonincremental_init_from_string):
10767         Adjust add_pending_init callers.
10768         (output_pending_init_elements): Adjust output_init_element callers.
10769         * c-tree.h (process_init_element): Adjust prototype.
10770         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
10771         process_init_element callers.
10772
10773 \f
10774 Copyright (C) 2009 Free Software Foundation, Inc.
10775
10776 Copying and distribution of this file, with or without modification,
10777 are permitted in any medium without royalty provided the copyright
10778 notice and this notice are preserved.