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PR target/40031
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1 2009-05-10  Michael Matz  <matz@suse.de>
2
3         PR target/40031
4         * config/arm/arm.c (require_pic_register): Emit on entry edge,
5         not at entry of function.
6
7 2009-05-10  Richard Guenther  <rguenther@suse.de>
8
9         PR tree-optimization/40081
10         Revert
11         * tree-sra.c (instantiate_element): Instantiate scalar replacements
12         using the main variant of the element type.  Do not fiddle with
13         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
14
15         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
16         structs with volatile fields.
17
18 2009-05-10  Jan Hubicka  <jh@suse.cz>
19
20         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
21         (estimate_move_cost): Assert that it does not get called for VOID_TYPE_P.
22         (estimate_num_insns): Skip VOID types in argument handling.
23         (optimize_inline_calls): Delete unreachable blocks and verify that
24         callgraph is valid.
25
26 2009-05-10  Jan Hubicka  <jh@suse.cz>
27
28         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
29         * cgraph.c (cgraph_mark_address_taken_node): New function.
30         (dump_cgraph_node): Dump new flag.
31         * cgraph.h (struct cgraph_node): Add address_taken.
32         (cgraph_mark_address_taken_node): New function.
33         * ipa.c (cgraph_postorder): Prioritize functions with address taken
34         since new direct calls can be born.
35
36 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
37
38         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
39         tok->val.node.node.
40
41 2009-05-10  Jan Hubicka  <jh@suse.cz>
42
43         PR middle-end/40084
44         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
45         argument; rewrite.
46         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
47         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
48         * tree-inline.c (copy_bb): Set frequency correctly.
49         (fold_marked_statements): Update call to
50         cgraph_update_edges_for_call_stmt.
51
52 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
53
54         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
55         identifiers in diagnostics.
56         * config/arm/arm.c (arm_handle_fndecl_attribute,
57         arm_handle_isr_attribute): Likewise.
58         * config/avr/avr.c (avr_handle_progmem_attribute,
59         avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
60         Likewise.
61         * config/bfin/bfin.c (handle_int_attribute,
62         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
63         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
64         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
65         Likewise.
66         * config/darwin.c (darwin_handle_kext_attribute,
67         darwin_handle_weak_import_attribute): Likewise.
68         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
69         h8300_handle_eightbit_data_attribute,
70         h8300_handle_tiny_data_attribute): Likewise.
71         * config/i386/i386.c (ix86_handle_cconv_attribute,
72         ix86_handle_abi_attribute, ix86_handle_struct_attribute):
73         Likewise.
74         * config/i386/winnt.c (ix86_handle_shared_attribute,
75         ix86_handle_selectany_attribute): Likewise.
76         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
77         * config/m32c/m32c.c (function_vector_handler): Likewise.
78         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
79         m68hc11_handle_fntype_attribute): Likewise.
80         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
81         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
82         * config/mips/mips.c (mips_insert_attributes,
83         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
84         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
85         rs6000_handle_struct_attribute): Likewise.
86         * config/sh/sh.c (sh_insert_attributes,
87         sh_handle_resbank_handler_attribute,
88         sh_handle_interrupt_handler_attribute,
89         sh2a_handle_function_vector_handler_attribute,
90         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
91         Likewise.
92         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
93         * config/spu/spu.c (spu_handle_fndecl_attribute,
94         spu_handle_vector_attribute): Likewise.
95         * config/stormy16/stormy16.c
96         (xstormy16_handle_interrupt_attribute): Likewise.
97         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
98         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
99
100 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
101
102         * pretty-print.h (struct pretty_print_info): Add
103         translate_identifiers.
104         (pp_translate_identifiers): New.
105         (pp_identifier): Only conditionally translate identifier to locale
106         character set.
107         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
108         (pp_base_tree_identifier): Only conditionally translate identifier
109         to locale character set.
110         * c-pretty-print.c (M_): Define.
111         (pp_c_type_specifier, pp_c_primary_expression): Mark English
112         fragments for conditional translation with M_.
113         * tree-pretty-print.c (maybe_init_pretty_print): Disable
114         identifier translation.
115
116 2009-05-10  Richard Guenther  <rguenther@suse.de>
117
118         PR tree-optimization/40081
119         * tree-sra.c (instantiate_element): Instantiate scalar replacements
120         using the main variant of the element type.  Do not fiddle with
121         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
122
123 2009-05-09  Jan Hubicka  <jh@suse.cz>
124
125         PR middle-end/40080
126         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
127         indirect calls; verify cgraph afterwards.
128
129 2009-05-09  Jan Hubicka  <jh@suse.cz>
130
131         PR bootstrap/40082
132         * ipa.c (update_inlined_to_pointer): New function.
133         (cgraph_remove_unreachable_nodes): Use it.
134
135 2009-05-09  Jan Hubicka  <jh@suse.cz>
136
137         * tree-eh.c (struct leh_state): Remove prev_try.
138         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
139         not track prev_try.
140         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
141         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
142         remove_eh_handler_and_replace, foreach_reachable_handler,
143         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
144         * except.h (struct eh_region): Remove eh_region_u_cleanup.
145         (gen_eh_region_cleanup): Update prototype.
146
147 2009-05-09  Jan Hubicka  <jh@suse.cz>
148
149         PR middle-end/40043
150         * except.c (copy_eh_region): Always set prev_try.
151         (redirect_eh_edge_to_label): Find outer try.
152         (foreach_reachable_handler): When looking for prev try
153         handle case where previous try is not going to be taken.
154
155 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
156
157         PR tree-optimization/40049
158         * tree-vect-stmts.c (vectorizable_operation): If the machine has
159         only vector/vector shifts, convert the type of the constant to the
160         appropriate type to avoid building incorrect trees, which
161         eventually have problems with garbage collection.
162
163 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
164
165         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
166         -1 for complex floating-point types if honoring signed zeros.
167
168 2009-05-08  Jan Hubicka  <jh@suse.cz>
169
170         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
171         argument; handle correctly when profile is absent.
172         (build_cgraph_edges): Update.
173         (rebuild_cgraph_edges): Update.
174         * cgraph.c: Do not include varray.h.
175         (cgraph_set_call_stmt_including_clones): New function.
176         (cgraph_create_edge_including_clones): Likewise
177         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
178         (cgraph_update_edges_for_call_stmt): Handle clones.
179         (cgraph_remove_node): Handle clone tree.
180         (cgraph_remove_node_and_inline_clones): New function.
181         (dump_cgraph_node): Dump clone tree.
182         (cgraph_clone_node): Handle clone tree.
183         (clone_function_name): Bring here from tree-inline.c.
184         (cgraph_create_virtual_clone): New function.
185         * cgraph.h (ipa_replace_map): Move here from ipa.h.
186         (cgraph_clone_info): New function.
187         (strut cgraph_node): Add clone_info and new clone tree pointers.
188         (cgraph_remove_node_and_inline_clones,
189         cgraph_set_call_stmt_including_clones,
190         cgraph_create_edge_including_clones,
191         cgraph_create_virtual_clone): Declare.
192         (cgraph_function_versioning): Use VEC argument.
193         (compute_call_stmt_bb_frequency): Update prototype.
194         (cgraph_materialize_all_clones): New function.
195         * ipa-cp.c (ipcp_update_cloned_node): Remove.
196         (ipcp_create_replace_map): Update to VECtors.
197         (ipcp_update_callgraph): Use virtual clones.
198         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
199         (ipcp_update_profiling): Do not update local profiling.
200         (ipcp_insert_stage): Use VECtors and virtual clones.
201         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
202         (clone_of_p): New function.
203         (cgraph_preserve_function_body_p): Use clone tree.
204         (cgraph_optimize): Materialize clones.
205         (cgraph_function_versioning): Update for VECtors.
206         (save_inline_function_body): Use clone tree.
207         (cgraph_materialize_clone): New function.
208         (cgraph_materialize_all_clones): Likewise.
209         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
210         * ipa.c: Include gimple.h.
211         (cgraph_remove_unreachable_nodes): Use clone tree.
212         * ipa-prop.c (ipa_note_param_call): Update call to
213         compute_call_stmt_bb_frequencycall.
214         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
215         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
216         (copy_bb): Handle updating of clone tree; add new edge when new call
217         appears.
218         (expand_call_inline): Be strict about every call having edge.
219         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
220         (delete_unreachable_blocks_update_callgraph): New function.
221         (tree_function_versioning): Use VECtors; always remove unreachable
222         blocks and fold conditionals.
223         * tree-inline.h: Do not include varray.h.
224         (tree_function_versioning): Remove.
225         * Makefile.in (GTFILES): Remove tree-inline.c
226         * passes.c (do_per_function): Do only functions having body.
227         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
228         tree.
229
230 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
231             Andrew Morrow  <acm@google.com>
232
233         PR c/36892
234         * c-common.c (c_common_attribute_table): Permit deprecated
235         attribute to take an optional argument.
236         (handle_deprecated_attribute): If the optional argument to
237         __attribute__((deprecated)) is not a string ignore the attribute
238         and emit a warning.
239
240         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
241         * c-typeck.c (build_component_ref): Likewise.
242         (build_external_ref): Likewise.
243
244         * toplev.c (warn_deprecated_use): Add an attribute argument.
245         Emit the message associated with __attribute__((deprecated)).
246
247         * toplev.h (warn_deprecated_use): Updated.
248
249         * doc/extend.texi: Document new optional parameter to
250         __attribute__((deprecated))
251
252 2009-05-08  Michael Eager <eager@eagercon.com>
253
254         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
255         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
256
257 2009-05-08  Richard Guenther  <rguenther@suse.de>
258
259         PR tree-optimization/40062
260         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
261         Avoid exponential behavior.
262
263 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
264
265         PR rtl-optimization/33928
266         PR 26854
267         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
268         process_uses, build_single_def_use_links): New.
269         (update_df): Update use_def_ref.
270         (forward_propagate_into): Use get_def_for_use instead of use-def
271         chains.
272         (fwprop_init): Call build_single_def_use_links and let it initialize
273         dataflow.
274         (fwprop_done): Free use_def_ref.
275         (fwprop_addr): Eliminate duplicate call to df_set_flags.
276         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
277         df_rd_simulate_one_insn): New.
278         (df_rd_bb_local_compute_process_def): Update head comment.
279         (df_chain_create_bb): Use the new RD simulation functions.
280         * df.h (df_rd_simulate_artificial_defs_at_top, 
281         df_rd_simulate_one_insn): New.
282         * opts.c (decode_options): Enable fwprop at -O1.
283         * doc/invoke.texi (-fforward-propagate): Document this.
284
285 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
286
287         PR c/24581
288         * c-typeck.c (build_binary_op): Handle arithmetic between one real
289         and one complex operand specially.
290         * tree-complex.c (some_nonzerop): Do not identify a real value as
291         zero if flag_signed_zeros.
292
293 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
294
295         PR rtl-optimization/33928
296         * loop-invariant.c (record_use): Fix && vs. || mishap.
297
298 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
299
300         PR rtl-optimization/33928
301         * loop-invariant.c (struct use): Add addr_use_p.
302         (struct def): Add n_addr_uses.
303         (struct invariant): Add cheap_address.
304         (create_new_invariant): Set cheap_address.
305         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
306         (record_uses): Pass df_ref to record_use.
307         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
308         used only as such.
309
310 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
311
312         * config/sh/sh.c: Do not include c-pragma.h.
313
314 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
315
316         * config/spu/spu.c: Remove include of c-common.h.
317
318 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
319
320         PR c/39037
321         * c-common.h (mark_valid_location_for_stdc_pragma,
322         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
323         clear_float_const_decimal64, float_const_decimal64_p): New.
324         * c.opt (Wunsuffixed-float-constants): New.
325         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
326         unsuffixed float constant, handle new warning.
327         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
328         * c-decl.c (c_scope): New flag float_const_decimal64.
329         (set_float_const_decimal64, clear_float_const_decimal64,
330         float_const_decimal64_p): New.
331         (push_scope): Set new flag.
332         * c-parser.c (c_parser_translation_unit): Mark when it's valid
333         to use STDC pragmas.
334         (c_parser_external_declaration): Ditto.
335         (c_parser_compound_statement_nostart): Ditto.
336         * c-pragma.c (valid_location_for_stdc_pragma,
337         mark_valid_location_for_stdc_pragma,
338         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
339         handle_pragma_float_const_decimal64): New.
340         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
341         * cp/semantics.c (valid_location_for_stdc_pragma_p,
342         set_float_const_decimal64, clear_float_const_decimal64,
343         float_const_decimal64_p): New dummy functions.
344         * doc/extend.texi (Decimal Float): Remove statement that the
345         pragma, and suffix for double constants, are not supported.
346         * doc/invoke.texi (Warning Options): List new option.
347         (-Wunsuffixed-float-constants): New.
348
349 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
350
351         * config/i386/i386.c: Do not include c-common.h.
352
353 2009-05-07  Mark Heffernan  <meheff@google.com>
354
355         * doc/invoke.texi (Debugging Options): Document change of debugging
356         dump location.
357         * opts.c (decode_options): Make dump_base_name relative to
358         aux_base_name directory.
359
360 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
361
362         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
363         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
364
365 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
366
367         * Makefile.in (install-plugin): Simplify a bit.
368
369 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
370
371         * Makefile.in (OBJS-common): Add regcprop.o.
372         (regcprop.o): New.
373         * timevar.def (TV_CPROP_REGISTERS): New.
374         * regrename.c (regrename_optimize): Return 0.
375         (rest_of_handle_regrename): Delete.
376         (pass_rename_registers): Point to regrename_optimize.
377         (struct value_data_entry, struct value_data, 
378         kill_value_one_regno, kill_value_regno, kill_value,
379         set_value_regno, init_value_data, kill_clobbered_value,
380         kill_set_value, kill_autoinc_value, copy_value,
381         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
382         replace_oldest_value_reg, replace_oldest_value_addr,
383         replace_oldest_value_mem, copyprop_hardreg_forward_1,
384         debug_value_data, validate_value_data): Move...
385         * regcprop.c: ... here.
386         (rest_of_handle_cprop): Delete.
387         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
388
389 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
390
391         PR middle-end/40057
392         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
393         GEN_INT for 1 << bitnum.
394         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
395         build_int_cst_type.
396
397 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
398
399         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
400         Remove wrong description of "nand" operation.
401
402 2009-05-06  Richard Guenther  <rguenther@suse.de>
403             Adam Nemet  <anemet@caviumnetworks.com>
404
405         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
406         comment.  Add that if LHS is not a gimple register, then RHS1 has
407         to be a single object (GIMPLE_SINGLE_RHS).
408
409 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
410
411         * expr.c (get_def_for_expr): Move it up in the file.
412         (store_field): When expanding a bit-field store, look at the
413         defining gimple stmt for the masking conversion.
414
415 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
416
417         PR middle-end/39986
418         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
419         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
420         32-bit memcpy into long.
421
422 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
423
424         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
425         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
426         new_reg_loc_descr.
427         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
428         instead of appending DW_OP_deref*.
429
430 2009-05-06  Michael Matz  <matz@suse.de>
431
432         PR middle-end/40021
433         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
434         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
435
436 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
437
438         * Makefile.in (install-plugin): Fix srcdir handling.
439
440 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
441
442         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
443         when processing for not_regs_needed bitmap.
444         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
445         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
446         handling it for rhs. 
447
448 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
449
450         * config/i386/i386.md (unnamed inc/dec peephole): Use
451         optimize_insn_for_size_p instead of optimize_size.
452         * config/i386/predicates.md (incdec_operand): Likewise.
453         (aligned_operand): Likewise.
454         * config/i386/sse.md (divv8sf3): Likewise.
455         (sqrtv8sf2): Likewise.
456
457 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
458
459         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
460
461         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
462
463 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
464
465         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
466         ssemodesuffixf2c with avxmodesuffixf2c.
467
468 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
469
470         PR c/40032
471         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
472
473 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
474
475         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
476         (struct tree_base): Adjust spacing for 8 bit boundaries.
477         (struct tree_decl_common): Add decl_by_reference_flag bit.
478         (DECL_BY_REFERENCE): Adjust.
479         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
480         print DECL_BY_REFERENCE bit.
481         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
482         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
483         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
484         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
485         unconditionally.
486
487         PR middle-end/39666
488         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
489         range of the type, but default label is missing, add it with one
490         of the existing labels instead of adding a new label for it.
491
492 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
493
494         * dwarf.h: Remove.
495
496 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
497
498         * Makefile.in (enable_plugin, plugin_includedir): New.
499         (install): Depend on install-plugin.
500         (PLUGIN_HEADERS): New.
501         (install-plugin): New.
502         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
503
504 2009-05-05  Richard Guenther  <rguenther@suse.de>
505
506         PR tree-optimization/40022
507         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
508         the only vuse.
509         (phivn_valid_p): Fix tuplification error, simplify.
510         (phiprop_insert_phi): Add dumps.
511         (propagate_with_phi): Simplify.
512
513 2009-05-05  Richard Guenther  <rguenther@suse.de>
514
515         PR middle-end/40023
516         * builtins.c (gimplify_va_arg_expr): Properly build the address.
517
518 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
519
520         * tree.h (strip_float_extensions): Remove duplicate declaration.
521         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
522         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
523         block_ultimate_origin): Rearrange the declarations line to match the
524         comment that indicates the .c file which the functions are defined.
525         (dwarf2out_*, set_decl_rtl): Add comment.
526         (get_base_address): Adjust comment.
527         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
528         declarations line and add comment.
529         (is_builtin_name): Add blank after function name, for clarity.
530
531 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
532
533         * attribs.c (decl_attributes): Use %qE for identifiers in
534         diagnostics.
535         * cgraphunit.c (verify_cgraph_node): Translate function names to
536         locale character set in diagnostics.
537         * coverage.c (get_coverage_counts): Use %qE for identifiers in
538         diagnostics.
539         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
540         Document that functions are named in UTF-8.
541         * expr.c (expand_expr_real_1): Translate function names to locale
542         character set in diagnostics.
543         * gimplify.c (omp_notice_variable, omp_is_private,
544         gimplify_scan_omp_clauses): Use %qE for identifiers in
545         diagnostics.
546         * langhooks.c (lhd_print_error_function): Translate function names
547         to locale character set.
548         * langhooks.h (decl_printable_name): Document that return value is
549         in internal character set.
550         * stmt.c: Include pretty-print.h
551         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
552         diagnostics.
553         (resolve_operand_name_1): Translate named operand name to locale
554         character set.
555         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
556         diagnostics.
557         * toplev.c (announce_function): Translate function names to locale
558         character set.
559         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
560         (default_tree_printer): Use pp_identifier or translate identifiers
561         to locale character set.  Mark "<anonymous>" for translation.
562         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
563         for identifiers in diagnostics.
564         * tree.c (handle_dll_attribute): Use %qE for identifiers in
565         diagnostics.
566         * varasm.c (output_constructor): Use %qE for identifiers in
567         diagnostics.
568
569 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
570
571         * configure.ac: use ` ` instead of $()
572         * configure: Regenerate.
573
574 2009-05-05  Ben Elliston  <bje@au.ibm.com>
575
576         * config/pa/linux-atomic.c: Eliminate conditional include of
577         errno.h on non-LP64 systems to simplify build requirements.
578
579 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
580
581         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
582         diagnostics.
583         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
584         and pass value to identifier_to_locale.
585         (warn_variable_length_array): Make name a tree.
586         (grokdeclarator): Separate diagnostic texts for named and unnamed
587         declarators.  Use %qE for named declarators.
588         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
589         diagnostics.
590         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
591         identifiers in diagnostics.
592         * c-typeck.c (push_member_name, start_init): Pass identifiers to
593         identifier_to_locale.  Mark "anonymous" strings for translation.
594
595 2009-05-04  Michael Eager <eager@eagercon.com>
596
597         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
598         address for DImode/DFmode only if double-precision FP regs.
599
600 2009-05-04  Michael Eager <eager@eagercon.com>
601
602         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
603         TARGET_SINGLE_FLOAT check.
604
605 2009-05-04  Michael Eager <eager@eagercon.com>
606
607         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
608
609 2009-05-04  Michael Eager <eager@eagercon.com>
610
611         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
612         * config/rs6000/t-xilinx: New
613
614 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
615
616         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
617         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
618         * gcc/explow.c (memory_address): Use target hook.
619         * gcc/targhooks.c (default_legitimize_address): New.
620         * gcc/targhooks.h (default_legitimize_address): New.
621         * gcc/target.h (legitimize_address): New.
622         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
623         (TARGET_INITIALIZER): Include it.
624         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
625
626         * config/bfin/bfin-protos.h (legitimize_address): Remove.
627         * config/bfin/bfin.c (legitimize_address): Remove.
628         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
629         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
630         Remove.
631         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
632         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
633
634         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
635         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
636         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
637         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
638         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
639         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
640         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
641         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
642         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
643         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
644         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
645         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
646         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
647         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
648         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
649         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
650         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
651         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
652         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
653         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
654         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
655         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
656         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
657
658         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
659         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
660         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
661         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
662         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
663         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
664         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
665         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
666         (thumb_legitimize_address): Delete.
667         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
668         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
669         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
670         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
671         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
672         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
673         Delete.
674         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
675         Delete.
676
677         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
678         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
679         * config/m32r/m32r.c (m32r_legitimize_address): New.
680         * config/m68k/m68k.c (m68k_legitimize_address): New.
681         * config/score/score.c (score_legitimize_address): Standardize.
682         * config/score/score3.c (score3_legitimize_address): Standardize.
683         * config/score/score3.h (score3_legitimize_address): Adjust.
684         * config/score/score7.c (score7_legitimize_address): Standardize.
685         * config/score/score7.h (score7_legitimize_address): Adjust.
686         * config/sh/sh.c (sh_legitimize_address): New.
687         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
688
689         * gcc/config/s390/s390.c (legitimize_address): Rename to...
690         (s390_legitimize_address): ... this.
691         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
692         (sparc_legitimize_address): ... this.
693         * gcc/config/i386/i386.c (legitimize_address): Rename to...
694         (ix86_legitimize_address): ... this.
695         * gcc/config/avr/avr.c (legitimize_address): Rename to...
696         (avr_legitimize_address): ... this.
697         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
698         (mn10300_legitimize_address): ... this.
699         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
700         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
701         (alpha_expand_mov): Adjust call.
702
703         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
704         * config/spu/spu.c (spu_legitimize_address): Likewise.
705         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
706         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
707
708 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
709
710         * intl.c (locale_encoding, locale_utf8): New.
711         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
712         * intl.h (locale_encoding, locale_utf8): Declare.
713         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
714         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
715         New.
716         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
717         argument.
718         (pp_tree_identifier): Define to call pp_base_tree_identifier.
719         (pp_base_tree_identifier): Declare as function.
720         (identifier_to_locale): Declare.
721         * Makefile.in (pretty-print.o): Update dependencies.
722         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
723
724 2009-05-04  Richard Guenther  <rguenther@suse.de>
725
726         PR middle-end/40015
727         * builtins.c (fold_builtin_memory_op): Do not decay to element
728         type if the size matches the whole array.
729
730 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
731
732         * expmed.c (synth_mult): When trying out a shift, pass the result
733         of a signed shift.
734
735 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
736
737         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
738         (shiftsub1_cost): New.
739         (init_expmed): Compute shiftsub1_cost.
740         (synth_mult): Optimize multiplications by constants of the form
741         -(2^^m-1) for some constant positive integer m.
742
743 2009-05-03  Richard Guenther  <rguenther@suse.de>
744
745         PR c/39983
746         * c-typeck.c (array_to_pointer_conversion): Do not built
747         ADDR_EXPRs of arrays of pointer-to-element type.
748         * c-gimplify.c (c_gimplify_expr): Revert change fixing
749         up wrong ADDR_EXPRs after-the-fact.
750         * c-common.c (strict_aliasing_warning): Strip pointer
751         conversions for obtaining the original type.
752         * builtins.c (fold_builtin_memset): Handle array types.
753         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
754         and array types
755
756 2009-05-03  Richard Guenther  <rguenther@suse.de>
757
758         PR middle-end/23329
759         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
760         Do not lose casts from array types with unknown extent to array
761         types with known extent.
762         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
763         alias set compatibility.
764
765 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
766
767         * flags.h (extra_warnings): Delete.
768         * toplev.c (process_options): Handle Wuninitialized here.
769         * opts.c (extra_warnings): Delete.
770         (set_Wextra): Delete.
771         (common_handle_option): -Wextra can be handled automatically.
772         * c-opts.c (c_common_handle_option): Delete obsolete code.
773         (c_common_post_options): Simplify comment.
774         * common.opt (W): Add Var.
775         (Wextra): Add Var.
776         (Wuninitialized): Initialize to -1.
777
778 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
779             Richard Guenther  <rguenther@suse.de>
780
781         * expr.c (get_def_for_expr): New function.
782         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
783         SSA rather than trees.
784         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
785         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
786         
787 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
788
789         * c-common.c (reswords): Add _Imaginary.
790         * c-common.c (enum rid): Add RID_IMAGINARY.
791
792 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
793
794         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
795         Patch by Richard Guenther.
796
797 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
798
799         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
800         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
801         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
802         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
803         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
804         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
805         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
806         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
807         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
808         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
809         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
810         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
811         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
812         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
813         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
814         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
815         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
816         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
817
818 2009-05-02  Richard Guenther  <rguenther@suse.de>
819
820         PR tree-optimization/39940
821         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
822         doing so.
823
824 2009-05-02  Richard Guenther  <rguenther@suse.de>
825
826         PR middle-end/40001
827         * tree-ssa.c (execute_update_addresses_taken): Properly check
828         if we can mark a variable DECL_GIMPLE_REG_P.
829         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
830         back to the end of the function.
831         (is_gimple_reg_type): Remove complex type special casing.
832         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
833         if not optimizing.
834
835 2009-05-02  Ben Elliston  <bje@au.ibm.com>
836
837         * doc/collect2.texi (Collect2): Document search path behaviour
838         when configured with --with-ld.
839
840 2009-05-02  Jan Hubicka  <jh@suse.cz>
841
842         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
843         parameter; update callers.
844         (coalesce_cost_edge): EH edges are costier because they needs
845         splitting even if not critical and even more costier when there are
846         multiple EH predecestors.
847
848 2009-05-02  Jan Hubicka  <jh@suse.cz>
849
850         * except.c (remove_eh_handler_and_replace): Handle updating after
851         removing TRY blocks.
852
853 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
854
855         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
856
857 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
858
859         * varasm.c: Do not include c-pragma.h.
860         * attribs.c: Do not incude c-common.h.
861
862 2009-05-01  Michael Matz  <matz@suse.de>
863
864         * calls.c (initialize_argument_information): Handle SSA names like
865         decls with a non MEM_P DECL_RTL.
866
867 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
868
869         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
870         * ipa-utils.c: Likewise.
871         * ipa-type-escape.c: Likewise.
872         * cgraphunit.c Do not include c-common.h.
873         * ipa-pure-const.c: Likewise.
874         * tree-if-conv.c: Likewise.
875         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
876         * ipa-struct-reorg.c: Likewise.
877         * tree-nomudflap.c: Likewise.
878         * tree-ssa-structalias.c: Likewise.
879
880 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
881
882         * store-motion.c: Many cleanups to make this pass a first-class
883         citizen instead of an appendix to gcse load motion.  Add TODO list
884         to make this pass faster/cleaner/better.
885
886         (struct ls_expr): Post gcse.c-split cleanups.
887         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
888         "stores" field to "avail_stores".
889         (pre_ldst_mems): Rename to store_motion_mems.
890         (pre_ldst_table): Rename to store_motion_mems_table.
891         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
892         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
893         (ldst_entry): Rename to st_expr_entry, update users.
894         (free_ldst_entry): Rename to free_st_expr_entry, update users.
895         (free_ldst_mems): Rename to free_store_motion_mems, update users.
896         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
897         update caller.
898         (first_ls_expr): Rename to first_st_expr, update users.
899         (next_ls_expr): Rename to next_st_expr, update users.
900         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
901         fields properly for store motion instead of names inherited from load
902         motion in gcse.c.
903         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
904         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
905         are done with it.
906
907         (ae_kill): Rename to st_kill, update users.
908         (ae_gen): Rename to st_avloc, update users.
909         (transp): Rename to st_transp, update users.
910         (pre_insert_map): Rename to st_insert_map, update users.
911         (pre_delete_map): Rename to st_delete_map, update users.
912         (insert_store, build_store_vectors, free_store_memory,
913         one_store_motion_pass): Update for abovementioned changes.
914
915         (gcse_subst_count, gcse_create_count): Remove.
916         (one_store_motion_pass): New statistics counters "n_stores_deleted"
917         and "n_stores_created", local variables.
918
919         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
920         use for_each_rtx.
921
922         (regvec, compute_store_table_current_insn): Remove.
923         (reg_set_info, reg_clear_last_set): Remove.
924         (compute_store_table): Use DF caches instead of local dataflow
925         solvers.
926
927 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
928
929         * c-objc-common.c (c_tree_printer): Print identifiers with
930         pp_identifier, not pp_string.  Mark "({anonymous})" for
931         translation.
932         * c-pretty-print.c (pp_c_ws_string): New.
933         (pp_c_cv_qualifier, pp_c_type_specifier,
934         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
935         pp_c_storage_class_specifier, pp_c_function_specifier,
936         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
937         pp_c_primary_expression, pp_c_postfix_expression,
938         pp_c_unary_expression, pp_c_shift_expression,
939         pp_c_relational_expression, pp_c_equality_expression,
940         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
941         use pp_string and pp_c_ws_string in place of pp_identifier and
942         pp_c_identifier for non-identifiers.  Mark English strings for
943         translation.
944         * c-pretty-print.h (pp_c_ws_string): Declare.
945
946 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
947             Roland McGrath <roland@redhat.com>
948
949         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
950         (ENABLE_LD_BUILDID): New configuration option.
951         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
952         (LINK_BUILDID_SPEC): New macro.
953         (init_spec): If defined, prepend it between LINK_EH_SPEC and
954         link_spec.
955         * doc/install.texi: Document --enable-linker-build-id option.
956         * configure: Rebuild.
957         * config.in: Rebuild.
958
959 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
960
961         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
962         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
963         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
964         MIPS_GP_SAVE_AREA_SIZE.
965         * config/mips/mips.c (struct mips_frame_info): Update comment
966         before arg_pointer_offset and hard_frame_pointer_offset.
967         (mips_compute_frame_info): Update diagram before function: to
968         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
969         indicate the position of frame_pointer_rtx with -fstack-protector and
970         to show args_size.  Don't allocate cprestore area for leaf functions
971         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
972         cprestore_size.
973         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
974
975 2009-04-30  Michael Matz  <matz@suse.de>
976
977         PR tree-optimization/39955
978         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
979
980 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
981
982         * ira.c (setup_cover_and_important_classes):  Use safe macro
983         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
984         directly.
985         * genpreds.c (write_tm_preds_h):  Output suitable definition of
986         REG_CLASS_FOR_CONSTRAINT.
987
988 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
989
990         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
991         instead of an int.
992         * bitmap.c (bitmap_descriptor): Likewise.
993         * ggc-common.c (loc_descriptor): Likewise.
994         * varray.c (varray_descriptor): Likewise.
995         * vec.c (vec_descriptor): Likewise.
996
997 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
998
999         * Makefile.in (dce.o): Add $(EXCEPT_H).
1000         * dce.c: Include except.h and delete redundant vector definitions.
1001         (deletable_insn_p): Return false for non-call insns that can throw
1002         if DF is running.
1003
1004 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1005
1006         * gcse.c (ae_gen): Remove.
1007         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
1008         and make non-static function to make it available in store-motion.c.
1009         Update call sites with search-and-replace.
1010         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
1011         extract_mentioned_regs, extract_mentioned_regs_helper,
1012         find_moveable_store, compute_store_table, load_kills_store, find_loads,
1013         store_killed_in_insn, store_killed_after, store_killed_before,
1014         build_store_vectors, insert_insn_start_basic_block, insert-store,
1015         remove_reachable_equiv_notes, replace_store_insn, delete_store,
1016         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
1017         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
1018         * store-motion.c: ...new file.  Also copy data structures from gcse.c
1019         and clean up to remove parts not used by store motion.
1020         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
1021         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
1022
1023 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1024
1025         PR target/38571
1026         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
1027         when optimizing for size.
1028
1029 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
1030
1031         * gcse.c (gcse_constant_p): Fix typo in last change.
1032
1033 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
1034
1035         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
1036
1037 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
1038
1039         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
1040
1041 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
1042
1043         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
1044         CONST_HIGH_PART result.
1045
1046 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
1047
1048         * config/avr/avr.c (initial_elimination_offset): Rename to
1049         avr_initial_elimination_offset.
1050         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
1051         change return type to bool.
1052         (avr_can_eliminate): New function.
1053         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
1054         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
1055         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
1056         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
1057         avr_initial_elimination_offset.
1058         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
1059         (avr_initial_elimination_offset): Define.
1060
1061 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
1062             Steven Bosscher  <steven@gcc.gnu.org>
1063
1064         PR rtl-optimization/39938
1065         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
1066         * cfgrtl.c: Include insn-attr.h.
1067         (rest_of_pass_free_cfg): New function.
1068         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
1069         * resource.c (init_resource_info): Remove call to df_analyze.
1070
1071 2009-04-29  Richard Guenther  <rguenther@suse.de>
1072
1073         PR target/39943
1074         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
1075         allow conversion to signed integers.
1076
1077 2009-04-29  Richard Guenther  <rguenther@suse.de>
1078
1079         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
1080         shifts of floating point vectors if the shift amount is
1081         a constant multiple of the element size.
1082
1083 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1084             Michael Matz  <matz@suse.de>
1085
1086         PR middle-end/39927
1087         PR bootstrap/39929
1088         * tree-outof-ssa.c (emit_partition_copy): New function.
1089         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
1090         insert_part_to_rtx_on_edge): Perform the partition base var
1091         copy using emit_partition_copy.
1092         (insert_value_copy_on_edge): Convert constants to the right mode.
1093         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
1094         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
1095
1096 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1097
1098         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
1099         scan backwards to try to find a constant to initialize it.
1100
1101         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
1102         insn before the loop_end instruction, don't look past labels.
1103
1104 2009-04-29  Richard Guenther  <rguenther@suse.de>
1105
1106         PR middle-end/39937
1107         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
1108         loose type conversions.
1109         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
1110         stmts only if there are no uses of its definition.
1111
1112 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1113
1114         * config/bfin/bfin.h (splitting_loops): Declare.
1115         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
1116         Reorder bit definitions to be ascending.
1117         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
1118         * config/bfin/bfin.c (splitting_loops): New variable.
1119         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
1120         (struct loop_info): Remove members INIT and LOOP_INIT.
1121         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
1122         the LSETUP sequence.  Allow LC to be loaded from any register, but
1123         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
1124         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
1125         set to 1.
1126         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
1127         of reload_completed.
1128
1129         From Jie Zhang:
1130         * config/bfin/bfin.md (movsi_insn): Refine constraints.
1131
1132 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
1133
1134         * Makefile.in (PLUGIN_VERSION_H): New.
1135         (OBJS-common): Remove plugin-version.o.
1136         (plugin.o): Depend on (PLUGIN_VERSION_H).
1137         (plugin-version.o): Remove.
1138         * configure: Regenerate
1139         * configure.ac: Create plugin-version.h.
1140         * gcc-plugin.h (plugin_gcc_version): Remove.
1141         (plugin_default_version_check): Change signature.
1142         * plugin-version.c: Remove.
1143         * plugin.c: Include plugin-version.h.
1144         (str_plugin_gcc_version_name): Remove.
1145         (try_init_one_plugin): Pass gcc version to plugin_init.
1146         (plugin_default_version_check): Both gcc and plugin versions are now
1147         arguments.
1148
1149 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1150         
1151         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
1152         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
1153         Remove special case testing for last insn of inner loops. Don't fail
1154         if the loop ends with a jump, emit an extra nop instead.
1155
1156         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
1157         DREGS rather than comparing directly.  Remove code that tries to
1158         account for latencies.
1159
1160 2009-04-29  Richard Guenther  <rguenther@suse.de>
1161
1162         PR tree-optimization/39941
1163         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
1164         eliminating an indirect call.
1165
1166 2009-04-29  Richard Guenther  <rguenther@suse.de>
1167
1168         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
1169         parameter.  Allow invariants as base if !require_lvalue.
1170         (verify_gimple_assign_single): Adjust.
1171
1172 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1173
1174         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
1175         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
1176         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
1177         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
1178         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
1179         a VEC_SELECT.
1180         * config/bfin/bfin.c (bfin_expand_builtin,
1181         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
1182
1183 2009-04-28  Richard Guenther  <rguenther@suse.de>
1184
1185         * tree-vect-loop.c (get_initial_def_for_induction): Use
1186         correct types for pointer increment.
1187
1188 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1189
1190         * toplev.c (print_version): Update GMP version string calculation.
1191
1192 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1193
1194         PR rtl-optimization/39938
1195         * resource.c (init_resource_info): Add call to df_analyze.
1196
1197 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
1198
1199         * config/alpha/alpha.md (usegp): Cast the result of
1200         alpha_find_lo_sum_using_gp to enum attr_usegp.
1201         * config/alpha/alpha.c (override_options): Remove end-of-structure
1202         marker element from cpu_table.  Use array size of cpu_table to handle
1203         -mcpu and -mtune options.
1204         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
1205
1206 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
1207
1208         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
1209         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
1210         tune_32 and tune_64.
1211         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
1212         support on PowerPC.
1213         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
1214         * config/rs6000/option-defaults.h: ... here.  New file.
1215         (OPT_64, OPT_32): Define.
1216         (MASK_64BIT): Define to 0 if not already defined.
1217         (OPT_ARCH64, OPT_ARCH32): Define.
1218         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
1219         and tune_64.
1220
1221 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1222
1223         * config/arm/arm.c (arm_override_options): Emit error on using
1224         fpa with AAPCS.
1225
1226 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
1227
1228         PR rtl-optimization/39914
1229         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
1230         registers for allocnos created from user-defined variables only
1231         when not optimizing.
1232
1233 2009-04-28  Richard Guenther  <rguenther@suse.de>
1234
1235         PR middle-end/39937
1236         * fold-const.c (fold_binary): Use distribute_real_division only
1237         on float types.
1238
1239 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
1240
1241         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
1242         add hpux-stdint.h to tm_file.
1243         (hppa[12]*-*-hpux11*): Ditto.
1244         (ia64*-*-hpux*): Ditto.
1245         * config/hpux-stdint.h: New.
1246         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
1247         __STDC_EXT__ for all compiles.
1248         * config/pa/pa-hpux.h: Ditto.
1249         * config/pa/pa-hpux10.h: Ditto.
1250         * config/pa/pa-hpux11.h: Ditto.
1251
1252 2009-04-28  Catherine Moore  <clm@codesourcery.com>
1253
1254         * debug.h (set_name): Add comment.
1255
1256 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
1257
1258         PR target/39929
1259         * config/darwin.c (machopic_gen_offset): Check
1260         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
1261         * config/arm/arm.c (require_pic_register): Likewise.
1262
1263 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
1264
1265         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
1266         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
1267         m32c_promote_prototypes): Delete.
1268
1269 2009-04-28  Michael Matz  <matz@suse.de>
1270
1271         PR middle-end/39922
1272         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
1273         constants.
1274
1275 2009-04-28  Richard Guenther  <rguenther@suse.de>
1276
1277         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
1278
1279 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1280
1281         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
1282         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
1283         * config/arm/arm-tune.md: Regenerate.
1284
1285 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
1286
1287         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
1288         block if there are complex incoming edges.
1289         (sel_merge_blocks): Remove useless assert.
1290         (sel_redirect_edge_and_branch): Check that edge was redirected.
1291         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
1292         (sel_find_rgns): Delete declaration.
1293         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
1294         the region when it is not a preheader.
1295
1296 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
1297
1298         PR c/39323
1299         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
1300
1301 2009-04-28  Richard Guenther  <rguenther@suse.de>
1302
1303         * tree.h (SSA_NAME_VALUE): Remove.
1304         (struct tree_ssa_name): Remove value_handle member.
1305         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
1306         array for jump threading.
1307         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
1308         SSA_NAME_VALUEs.
1309         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
1310         * tree-flow.h (threadedge_initialize_values): Declare.
1311         (threadedge_finalize_values): Likewise.
1312         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
1313         (SSA_NAME_VALUE): Define.
1314         (threadedge_initialize_values): New function.
1315         (threadedge_finalize_values): Likewise.
1316         * tree-ssa-dom.c (ssa_name_values): New global variable.
1317         (SSA_NAME_VALUE): Define.
1318         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
1319
1320 2009-04-28  Ira Rosen  <irar@il.ibm.com>
1321
1322         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
1323         Use REPORT_VECTORIZED_LOCATIONS instead 
1324         REPORT_VECTORIZED_LOOPS.
1325         * tree-vectorizer.c (vect_verbosity_level): Make static.
1326         (vect_loop_location): Rename to vect_location.
1327         (vect_set_verbosity_level): Update comment.
1328         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
1329         and vect_location.
1330         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
1331         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
1332         instead REPORT_UNVECTORIZED_LOOPS.
1333         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def and
1334         vect_loop_def to vect_external_def and vect_internal_def.
1335         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
1336         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
1337         REPORT_UNVECTORIZED_LOCATIONS.
1338         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
1339         and vect_used_in_loop and to vect_unused_in_scope and 
1340         vect_used_in_scope.
1341         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
1342         (vect_verbosity_level): Remove declaration.
1343         (vect_analyze_operations): Likewise.
1344         (vect_analyze_stmt): Declare.
1345         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
1346         REPORT_UNVECTORIZED_LOCATIONS.
1347         (vect_get_loop_niters): Fix indentation.
1348         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
1349         (vect_analyze_loop_operations): New function.
1350         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
1351         vect_analyze_operations.
1352         (vect_is_simple_reduction): Use new names.
1353         (vectorizable_live_operation, vect_transform_loop): Likewise.
1354         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value to
1355         specify whether the data references can be a part of interleaving chain.
1356         (vect_analyze_data_ref_dependence): Use new names.
1357         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
1358         (vect_create_addr_base_for_vector_ref): Remove redundant code.
1359         * tree-vect-patterns.c (widened_name_p): Use new names.
1360         (vect_recog_dot_prod_pattern): Likewise.
1361         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
1362         (process_use, vect_mark_stmts_to_be_vectorized, 
1363         vect_model_simple_cost, vect_model_store_cost,
1364         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
1365         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1366         vectorizable_operation, vectorizable_type_demotion,
1367         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
1368         vectorizable_condition): Likewise.
1369         (vect_analyze_operations): Split into vect_analyze_loop_operations
1370         and ...
1371         (vect_analyze_stmt): ... new function.
1372         (new_stmt_vec_info): Use new names.
1373         (vect_is_simple_use): Use new names and fix comment.
1374         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
1375         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
1376
1377 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
1378
1379         PR target/39911
1380         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
1381         and integer modes for x87 operands.  Do not ICE for unsupported size,
1382         generate error instead.  Generate error for unsupported operand types.
1383         ['z']: Do not handle HImode memory operands specially.  Warning
1384         for floating-point operands.  Fallthru to 'Z' for unsupported operand
1385         types.  Do not ICE for unsupported size, generate error instead.
1386         (output_387_binary_op): Use %Z to output operands.
1387         (output_fp_compare): Ditto.
1388         (output_387_reg_move): Ditto.
1389
1390 2009-04-28  Ben Elliston  <bje@au.ibm.com>
1391
1392         PR c++/35652
1393         Revert:
1394
1395         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1396
1397         * builtins.c (c_strlen): Do not warn here.
1398         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
1399         * c-common.c (pointer_int_sum): Take an explicit location.
1400         Warn about offsets out of bounds.
1401         * c-common.h (pointer_int_sum): Adjust declaration.
1402
1403 2009-04-27  Ian Lance Taylor  <iant@google.com>
1404
1405         * collect2.c (is_ctor_dtor): Change type of ret field in struct
1406         names to symkind.
1407         * dce.c (run_fast_df_dce): Change type of old_flags to int.
1408         * df-core.c (df_set_flags): Change return type to int.  Change
1409         type of old_flags to int.
1410         (df_clear_flags): Likewise.
1411         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
1412         (df_get_conditional_uses): Likewise.
1413         * df.h (df_set_flags, df_clear_flags): Update declarations.
1414         * dwarf2out.c (struct indirect_string_node): Change type of form
1415         field to enum dwarf_form.
1416         (AT_string_form): Change return type to enum dwarf_form.
1417         * fixed-value.c (fixed_compare): Add cast to enum type.
1418         * fwprop.c (update_df): Change 0 to VOIDmode.
1419         * gensupport.c: Change 0 to UNKNOWN.
1420         * gimple.h (gimple_cond_code): Add cast to enum type.
1421         * haifa-sched.c (reemit_notes): Add cast to enum type.
1422         * hooks.c (hook_int_void_no_regs): Remove function.
1423         * hooks.h (hook_int_void_no_regs): Remove declaration.
1424         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
1425         * predict.c (combine_predictions_for_insn): Add casts to enum type.
1426         * real.c (real_arithmetic): Add cast to enum type.
1427         (real_compare): Likewise.
1428         * target.h (struct gcc_target): Change return type of
1429         branch_target_register_class to enum reg_class.
1430         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
1431         default_branch_target_register_class.
1432         * targhooks.c (default_branch_target_register_class): New function.
1433         * targhooks.h (default_branch_target_register_class): Declare.
1434         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
1435         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
1436         cast to int.
1437         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
1438         ERROR_MARK.
1439         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
1440         vect_uninitialized_def.  Change 0 to ERROR_MARK.
1441         * tree-vect-stmts.c (supportable_widening_operation): Don't
1442         initialize icode1 and icode2.
1443         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
1444         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
1445         and to STD_C89.
1446         (cmn_err_flag_specs): Change 0 to STD_C89.
1447         (cmn_err_char_table): Likewise.
1448         * config/arm/arm.c (get_arm_condition_code): Change type of code
1449         to enum arm_cond_code.
1450         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
1451         (IWMMXT_BUILTIN2): Likewise.
1452         (neon_builtin_type_bits): Don't define typedef.
1453         (neon_builtin_datum): Change type of bits field to int.
1454         (arm_expand_neon_args): Add cast to enum type.
1455         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
1456         TLS_MODEL_NONE.
1457         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
1458         casts to enum type.
1459         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
1460         MIPS_FP_COND_f.
1461         * config/mips/mips.md (jal_macro): Return enum constant.
1462         (single_insn): Likewise.
1463         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
1464         CODE_FOR_nothing.
1465         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1466         casts to enum type.
1467         * config/s390/s390.c (s390_tune_flags): Change type to int.
1468         (s390_arch_flags): Likewise.
1469         (s390_handle_arch_option): Change flags field of struct pta to int.
1470         * config/s390/s390.h (s390_tune_flags): Update declaration.
1471         (s390_arch_flags): Likewise.
1472         * config/sh/sh.c (prepare_move_operands): Compare
1473         tls_symbolic_operand result with enum constant.
1474         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
1475         (sh_expand_prologue): Add cast to enum type.
1476         (sh_expand_epilogue): Likewise.
1477         (tls_symbolic_operand): Change return type to enum tls_model.
1478         (fpscr_set_from_mem): Add cast to enum type.
1479         (legitimize_pic_address): Compare tls_symbolic_operand result with
1480         enum constant.
1481         (sh_target_reg_class): Change return type to enum reg_class.
1482         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
1483         PROCESSOR_xxx.
1484         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
1485         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
1486         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
1487         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
1488         (delayed_branch, tls_call_delay): Likewise.
1489         (eligible_for_sibcall_delay): Likewise.
1490         (eligible_for_return_delay): Likewise. 
1491         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
1492         (spu_expand_builtin_1): Likewise.
1493
1494         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
1495         for all types of conversions.
1496         (output_init_element): Issue -Wc++-compat warning if needed when
1497         initializing a bitfield with enum type.
1498         * c-parser.c (c_parser_expression): Set original_type to
1499         original_type of right hand operand of comman operator.
1500
1501 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1502
1503         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
1504         grammar nits.
1505         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
1506         * doc/cpp.texi (Standard Predefined Macros)
1507         (Implementation-defined behavior): Likewise.
1508         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
1509         * doc/gimple.texi (GIMPLE Exception Handling)
1510         (@code{GIMPLE_ASSIGN}): Likewise.
1511         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
1512         * doc/invoke.texi (Warning Options, Optimize Options)
1513         (AVR Options, Darwin Options): Likewise.
1514         (Optimize Options): Reformulate -fwhole-program description.
1515         * doc/loop.texi (Lambda): Likewise.
1516         * doc/md.texi (Output Template, Define Constraints)
1517         (Standard Names, Insn Splitting): Likewise.
1518         * doc/options.texi (Option properties): Likewise.
1519         * doc/passes.texi (Tree-SSA passes): Likewise.
1520         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
1521         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
1522         (File Names and DBX): Likewise.
1523         * doc/trouble.texi (Incompatibilities): Likewise.
1524
1525 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1526
1527         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
1528         instruction is correct.
1529
1530 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1531
1532         Allow non-constant arguments to conversion intrinsics.
1533         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
1534         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
1535         * spu.c (print_operand): Handle 'v' and 'w'.
1536         (exp2_immediate_p, spu_gen_exp2): Define.
1537         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
1538         spu_convtf_1): Update parameter descriptions.
1539         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
1540         * constraints.md ('v', 'w'): New.
1541         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
1542         Remove.
1543         (i2f, I2F): New define_mode_attr.
1544         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
1545         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
1546         fixuns_truncv4sfv4si2):  Update to use mode attribute.
1547         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
1548         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
1549         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
1550         patterns for combine.
1551
1552 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
1553
1554         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
1555         (cprop, hoist, pre, store_motion): New debug counters.
1556         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
1557         is not an RTL pass anymore.
1558         (pass_profiling): Remove extern decl for pass removed in 2005.
1559         (pass_gcse, pass_jump_bypass): Remove.
1560         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
1561         to 0 for clean state.
1562         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
1563         * cse.c (gate_handle_cse_after_global_opts,
1564         rest_of_handle_cse_after_global_opts): New functions.
1565         (pass_cse_after_global_opts): New pass, does local CSE.
1566         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
1567         (TV_CPROP): New timevar.
1568         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
1569         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
1570         (gcse_main, recompute_all_luids): Remove.
1571         (compute_hash_table_work): Call max_reg_num instead of reading
1572         max_gcse_regno.
1573         (cprop_jump): Don't set run_jump_opt_after_gcse.
1574         (constprop_register): Always allow to alter jumps.
1575         (cprop_insn): Likewise.
1576         (do_local_cprop): Likewise.
1577         (local_cprop_pass): Likewise.  Return non-zero if something changed.
1578         (cprop): Remove function, fold interesting bits into one_cprop_pass.
1579         (find_implicit_sets): Add note about missed optimization opportunity.
1580         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
1581         pass_rtl_cprop execute function.
1582         Don't bother tracking the pass number, each pass gets its own dumpfile
1583         now anyway.
1584         Always allow to alter jumpsand bypass jumps.
1585         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
1586         will just find no suitable set.
1587         (pre_edge_insert): Fix dumping, this function is for PRE only.
1588         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
1589         pass_rtl_pre execute function.
1590         (hoist_code): Return non-zero if something changed.  Keep track of
1591         substitutions and insertions for statistics gathering similar to PRE.
1592         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
1593         called from the pass_rtl_hoist execute function.  Show pass statistics.
1594         (compute_store_table): Use max_reg_num directly instead of using the
1595         formerly global max_gcse_regno.
1596         (build_store_vectors): Likewise.
1597         (replace_store_insn): Fix dumping.
1598         (store_motion): Rename to ...
1599         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
1600         pass, called from the pass_rtl_store_motion execute function.  Keep
1601         track of substitutions and insertions for statistics gathering similar
1602         to PRE.
1603         (bypass_jumps): Remove, fold interesting bits into ...
1604         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
1605         from the pass_rtl_cprop execute function.
1606         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
1607         pass_jump_bypass): Remove.
1608         (gate_handle_gcse, rest_of_handle_gcse): Remove.
1609         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
1610         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
1611         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
1612         (gate_rtl_store_motion, execute_rtl_store_motion,
1613         pass_rtl_store_motion): New.
1614         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
1615         make it clear that -fcse-skip-blocks is a no-op for backward compat.
1616         * passes.c (init_optimization_passes): Remove pass_gcse and
1617         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
1618         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
1619         instead of pass_jump_bypass.
1620
1621 2009-04-27  Richard Guenther  <rguenther@suse.de>
1622
1623         PR middle-end/39928
1624         * gimplify.c (gimplify_expr): If we are required to create
1625         a temporary make sure it ends up as register.
1626
1627 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1628
1629         PR target/39903
1630         * config/i386/i386.c (construct_container): Don't call
1631         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
1632         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
1633
1634 2009-04-27  Michael Matz  <matz@suse.de>
1635
1636         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
1637         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
1638         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
1639         (dump_replaceable_exprs): Take a bitmap.
1640         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
1641         array.
1642         (expand_gimple_basic_block): Likewise.
1643         * tree-ssa-ter.c (struct temp_expr_table_d): Make
1644         replaceable_expressions member a bitmap.
1645         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
1646         (mark_replaceable): Likewise.
1647         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
1648         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
1649
1650 2009-04-27  Richard Guenther  <rguenther@suse.de>
1651
1652         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
1653         (verify_stmts): Dispatch to gimple/type verification code.
1654         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
1655         issue with call argument types.
1656
1657 2009-04-27  Michael Matz  <matz@suse.de>
1658
1659         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
1660         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
1661         to above.
1662
1663 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
1664             Eric Botcazou  <ebotcazou@adacore.com>
1665
1666         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
1667         a label's basic block.
1668         (mark_target_live_regs): Tidy and rework obsolete comments.
1669         Change back DF problem to LIVE.  If a label starts a basic block,
1670         assume that all registers that used to be live then still are.
1671         (init_resource_info): If a label starts a basic block, set its
1672         BLOCK_FOR_INSN accordingly.
1673         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
1674
1675 2009-04-27  Richard Guenther  <rguenther@suse.de>
1676
1677         * tree-flow-inline.h (function_ann): Remove.
1678         (get_function_ann): Likewise.
1679         * tree-dfa.c (create_function_ann): Remove.
1680         * tree-flow.h (struct static_var_ann_d): Remove.
1681         (struct function_ann_d): Likewise.
1682         (union tree_ann_d): Remove fdecl member.
1683         (function_ann_t): Remove.
1684         (function_ann, get_function_ann, create_function_ann): Remove
1685         declarations.
1686
1687 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
1688
1689         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
1690
1691 2009-04-27  Jan Hubicka  <jh@suse.cz>
1692
1693         * ipa-pure-const.c (struct funct_state_d): New fields
1694         state_previously_known, looping_previously_known; remove
1695         state_set_in_source.
1696         (analyze_function): Use new fields.
1697         (propagate): Avoid assumption that state_set_in_source imply
1698         nonlooping.
1699
1700         * tree-ssa-loop-niter.c (finite_loop_p): New function.
1701         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
1702         * cfgloop.h (finite_loop_p): Declare.
1703
1704 2009-04-26  Michael Matz  <matz@suse.de>
1705
1706         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
1707
1708 2009-04-26  Michael Matz  <matz@suse.de>
1709
1710         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
1711         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
1712         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
1713         pass_mark_used_blocks): Remove.
1714         * tree-optimize.c (pass_free_datastructures,
1715         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
1716         * passes.c (init_optimization_passes): Don't call
1717         pass_mark_used_blocks, remove dead code.
1718
1719 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
1720
1721         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
1722         * tree-ssa-live.h (register_ssa_partition): Likewise.
1723
1724 2009-04-26  Michael Matz  <matz@suse.de>
1725
1726         Expand from SSA.
1727         * builtins.c (fold_builtin_next_arg): Handle SSA names.
1728         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
1729         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
1730         SSA names. 
1731         (compare_pairs): Swap cost comparison.
1732         (coalesce_ssa_name): Don't use change_partition_var.
1733         * tree-nrv.c (struct nrv_data): Add modified member.
1734         (finalize_nrv_r): Set it.
1735         (tree_nrv): Use it to update statements.
1736         (pass_nrv): Require PROP_ssa.
1737         * tree-mudflap.c (mf_decl_cache_locals,
1738         mf_build_check_statement_for): Use make_rename_temp.
1739         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
1740         * alias.c (find_base_decl): Handle SSA names.
1741         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
1742         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
1743         * rtl.h (set_reg_attrs_for_parm): Declare.
1744         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
1745         to "optimized", remove unused locals at finish.
1746         (execute_free_datastructures): Make global, call
1747         delete_tree_cfg_annotations.
1748         (execute_free_cfg_annotations): Don't call
1749         delete_tree_cfg_annotations.
1750
1751         * ssaexpand.h: New file.
1752         * expr.c (toplevel): Include ssaexpand.h.
1753         (expand_assignment): Handle SSA names the same as register variables.
1754         (expand_expr_real_1): Expand SSA names.
1755         * cfgexpand.c (toplevel): Include ssaexpand.h.
1756         (SA): New global variable.
1757         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
1758         (SSAVAR): New macro.
1759         (set_rtl): New helper function.
1760         (add_stack_var): Deal with SSA names, use set_rtl.
1761         (expand_one_stack_var_at): Likewise.
1762         (expand_one_stack_var): Deal with SSA names.
1763         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
1764         before unique numbers.
1765         (expand_stack_vars): Use set_rtl.
1766         (expand_one_var): Accept SSA names, add asserts for them, feed them
1767         to above subroutines.
1768         (expand_used_vars): Expand all partitions (without default defs),
1769         then only the local decls (ignoring those expanded already).
1770         (expand_gimple_cond): Remove edges when jumpif() expands an
1771         unconditional jump.
1772         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
1773         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
1774         SSA name.
1775         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
1776         members of SA; deal with PARM_DECL partitions here; expand
1777         all PHI nodes, free tree datastructures and SA.  Commit instructions
1778         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
1779         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
1780         info and statements at start, collect garbage at finish.
1781         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
1782         (VAR_ANN_PARTITION) Remove.
1783         (change_partition_var): Don't declare.
1784         (partition_to_var): Always return SSA names.
1785         (var_to_partition): Only accept SSA names.
1786         (register_ssa_partition): Only check argument.
1787         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
1788         member.
1789         (delete_var_map): Don't free it.
1790         (var_union): Only accept SSA names, simplify.
1791         (partition_view_init): Mark only useful SSA names as used.
1792         (partition_view_fini): Only deal with SSA names.
1793         (change_partition_var): Remove.
1794         (dump_var_map): Use ssa_name instead of partition_to_var member.
1795         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
1796         basic blocks.
1797         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
1798         (struct _elim_graph): New member const_dests; nodes member vector of
1799         ints.
1800         (set_location_for_edge): New static helper.
1801         (create_temp): Remove.
1802         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
1803         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
1804         (new_elim_graph): Allocate const_dests member.
1805         (clean_elim_graph): Truncate const_dests member.
1806         (delete_elim_graph): Free const_dests member.
1807         (elim_graph_size): Adapt to new type of nodes member.
1808         (elim_graph_add_node): Likewise.
1809         (eliminate_name): Likewise.
1810         (eliminate_build): Don't take basic block argument, deal only with
1811         partition numbers, not variables.
1812         (get_temp_reg): New static helper.
1813         (elim_create): Use it, deal with RTL temporaries instead of trees.
1814         (eliminate_phi): Adjust all calls to new signature.
1815         (assign_vars, replace_use_variable, replace_def_variable): Remove.
1816         (rewrite_trees): Only do checking.
1817         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
1818         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
1819         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
1820         contains_tree_r, MAX_STMTS_IN_LATCH,
1821         process_single_block_loop_latch, analyze_edges_for_bb,
1822         perform_edge_inserts): Remove.
1823         (expand_phi_nodes): New global function.
1824         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
1825         functions, initialize new parameter, remember partitions having a
1826         default def.
1827         (finish_out_of_ssa): New global function.
1828         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
1829         don't reset in_ssa_p here, don't disable TER when mudflap.
1830         (pass_del_ssa): Remove.
1831         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
1832         partition members.
1833         (execute_free_datastructures): Declare.
1834         * Makefile.in (SSAEXPAND_H): New variable.
1835         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
1836         * basic-block.h (commit_one_edge_insertion): Declare.
1837         * passes.c (init_optimization_passes): Move pass_nrv and
1838         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
1839         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
1840         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
1841         (redirect_branch_edge): Deal with super block when expanding, split
1842         out jump patching itself into ...
1843         (patch_jump_insn): ... here, new static helper.
1844
1845 2009-04-26  Michael Matz  <matz@suse.de>
1846
1847         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
1848         beyond num_ssa_names.
1849         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
1850         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
1851
1852 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
1853
1854         PR inline-asm/39543
1855         * fwprop.c (forward_propagate_asm): New function.
1856         (forward_propagate_and_simplify): Propagate also into __asm, if it
1857         doesn't increase the number of referenced registers.
1858
1859         PR c/39889
1860         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
1861
1862 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
1863
1864         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
1865         note_nonlocal_vla_type for nonlocal VLAs.
1866         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
1867         contains_remapped_vars, remap_vla_decls): New functions.
1868         (convert_nonlocal_reference_stmt): If not optimizing, call
1869         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
1870         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
1871         if it wasn't found in var_map.
1872         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
1873         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
1874         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
1875         declare_vars.
1876         * gimplify.c (nonlocal_vlas): New variable.
1877         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
1878         referenced VLAs.
1879         (gimplify_body): Create and destroy nonlocal_vlas.
1880
1881         * dwarf2out.c (loc_descr_plus_const): New function.
1882         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
1883         mem_loc_descriptor, loc_descriptor_from_tree_1,
1884         descr_info_loc, gen_variable_die): Use it.
1885
1886         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
1887         !TREE_STATIC VAR_DECLs.
1888         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
1889         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
1890         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
1891         DECL_BY_REFERENCE is valid.
1892         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
1893         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
1894         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
1895         Copy DECL_BY_REFERENCE.
1896         (struct nesting_copy_body_data): New type.
1897         (nesting_copy_decl): New function.
1898         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
1899         if they have variable length.
1900
1901 2009-04-26  Michael Matz  <matz@suse.de>
1902
1903         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
1904         mark new temporaries for renaming.
1905
1906 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
1907
1908         PR c/39581
1909         * c-decl.c (global_bindings_p): Return negative value.
1910         (c_variable_size): New.  Based on variable_size from
1911         stor-layout.c.
1912         (grokdeclarator): Call c_variable_size not variable_size.
1913
1914 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
1915
1916         * config/i386/i386.c (print_operand) ['z']: Fix typo.
1917
1918 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
1919
1920         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
1921         Redefine it to just use mingw/include.
1922         (ASM_SPEC): Rules for -m32 and -m64.
1923         (LINK_SPEC): Use Likewise.
1924         (SPEC_32): New define.
1925         (SPEC_64): Likewise.
1926         (SUB_LINK_SPEC): Likewise.
1927         (MULTILIB_DEFAULTS): New define.
1928         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
1929         Add multilib options.
1930         (MULTILIB_DIRNAMES): Likewise.
1931         (MULTILIB_OSDIRNAMES): Likewise.
1932         (LIBGCC): Likewise.
1933         (INSTALL_LIBGCC): Likewise.
1934
1935 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
1936
1937         PR c/39556
1938         * c-tree.h (enum c_inline_static_type): New.
1939         (record_inline_static): Declare.
1940         * c-decl.c (struct c_inline_static, c_inline_statics,
1941         record_inline_static, check_inline_statics): New.
1942         (pop_file_scope): Call check_inline_statics.
1943         (start_decl): Call record_inline_static instead of pedwarning
1944         directly for static in inline function.
1945         * c-typeck.c (build_external_ref): Call record_inline_static
1946         instead of pedwarning directly for static referenced in inline
1947         function.
1948
1949 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
1950
1951         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
1952         not new but only being rescanned.
1953         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
1954         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
1955         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
1956         record_set_info, compute_set, grealloc): Remove.
1957         (recompute_all_luids): New function.
1958         (gcse_main): Don't compute sets, and don't do related memory
1959         allocations/free-ing.  If something changed before the end of the
1960         pass, update LUIDs using recompute_all_luids.
1961         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
1962         (free_gcse_mem): Don't free it either.
1963         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
1964         Use the df insn LUIDs.
1965         (load_killed_in_block): Likewise.
1966         (compute_hash_table_work): Don't compute reg_set_in_block.
1967         (compute_transp): Use DF_REG_DEF_CHAINs.
1968         (local_cprop_pass): Don't use compute_sets and related functions.
1969         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
1970         Use get_max_uid() instead of max_cuid.
1971         (insert_insn_end_basic_block, pre_insert_copy_insn,
1972         update_ld_motion_stores): Don't try to
1973         keep reg_set tables up to date.
1974         (pre_insert_copies): Use df insn LUIDs.
1975         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
1976         (reg_set_info): Don't use extra bitmap argument.
1977         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
1978         information to compute regs_set_in_block.
1979         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
1980         (bypass_jumps): Don't use compute_sets and friends.
1981
1982 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1983
1984         PR testsuite/39710
1985         * opts.c (undocumented_msg): Do not leave blank even with
1986         ENABLE_CHECKING.
1987
1988 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
1989
1990         * c-decl.c (build_enumerator): Allow values folding to integer
1991         constants but not integer constant expressions with a pedwarn if
1992         pedantic.
1993
1994 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
1995
1996         PR c/39582
1997         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
1998         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
1999         type is an integer constant.
2000
2001 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
2002
2003         PR target/39897
2004         * config/i386/i386.c (print_operand) ['z']: Revert handling of
2005         HImode operands.
2006
2007 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
2008
2009         PR c/39564
2010         * c-decl.c (grokdeclarator): Diagnose declarations of functions
2011         with variably modified return type and no storage class
2012         specifiers, except for the case of nested functions.  Distinguish
2013         extern declarations of functions with variably modified return
2014         types from those of objects with variably modified types.
2015
2016 2009-04-25  Jan Hubicka  <jh@suse.cz>
2017
2018         * tree.c (list_equal_p): New function.
2019         * tree.h (list_equal_p): Declare.
2020         * coretypes.h (edge_def, edge, const_edge, basic_block_def
2021         basic_block_def, basic_block, const_basic_block): New.
2022         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
2023         (redirect_eh_edge): New function.
2024         (make_eh_edge_update_phi): EH edges are not abnormal.
2025         * except.c: Include tree-flow.h.
2026         (list_match): New function.
2027         (eh_region_replaceable_by_p): New function.
2028         (replace_region): New function.
2029         (hash_type_list): New function.
2030         (hash_eh_region): New function.
2031         (eh_regions_equal_p): New function.
2032         (merge_peers): New function.
2033         (remove_unreachable_regions): Verify EH tree when checking;
2034         merge peers.
2035         (copy_eh_region_1): New function.
2036         (copy_eh_region): New function.
2037         (push_reachable_handler): New function.
2038         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
2039         regions without label but with live RESX.
2040         * except.h (redirect_eh_edge_to_label): New.
2041         * tree-flow.h (redirect_eh_edge): New.
2042         * coretypes.h (edge_def, edge, const_edge, basic_block_def
2043         basic_block_def, basic_block, const_basic_block): Remove.
2044         * Makefile.in (except.o): Add dependency on tree-flow.h
2045         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
2046         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
2047         Remove.
2048
2049 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
2050
2051         PR bootstrap/39645
2052         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
2053         on the destination of memcpy.
2054
2055 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
2056
2057         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
2058         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
2059         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
2060
2061 2009-04-25  Jan Hubicka  <jh@suse.cz>
2062
2063         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
2064         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
2065         to be reached by different label than left.
2066         (update_eh_edges): Update comment; remove edge_to_remove if possible
2067         and return true if suceeded.
2068         (cleanup_empty_eh): Accept sharing map; handle shared regions.
2069         (cleanup_eh): Compute sharing map.
2070         * except.c (remove_eh_handler_and_replace): Add argument if we should
2071         update regions.
2072         (remove_unreachable_regions): Update for label sharing.
2073         (label_to_region_map): Likewise.
2074         (get_next_region_sharing_label): New function.
2075         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
2076         prev_try pointers.
2077         (remove_eh_handler): Update.
2078         (remove_eh_region_and_replace_by_outer_of): New function.
2079         * except.h (struct eh_region): Add next_region_sharing_label.
2080         (remove_eh_region_and_replace_by_outer_of,
2081         get_next_region_sharing_label): Declare.
2082         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
2083
2084 2009-04-25  Jan Hubicka  <jh@suse.cz>
2085
2086         * tree-cfg.c (split_critical_edges): Split also edges where we can't
2087         insert code even if they are not critical.
2088
2089 2009-04-25  Jan Hubicka  <jh@suse.cz>
2090
2091         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
2092         (gimple_can_remove_branch_p): EH edges won't remove branch by
2093         redirection.
2094         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
2095         updating of non-abnormal EH edges.
2096         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
2097         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
2098         (split_critical_edges): Split also edges where emitting code on them
2099         will lead to splitting later.
2100
2101 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
2102             H.J. Lu  <hongjiu.lu@intel.com>
2103
2104         PR target/39590
2105         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
2106         the configured assembler supports fildq and fistpq mnemonics.
2107         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
2108         * configure: Regenerated.
2109         * config.in: Ditto.
2110
2111         * config/i386/i386.c (print_operand): Handle 'Z'.
2112         ['z']: Remove handling of special fild/fist suffixes.
2113         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
2114         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
2115         suffix of fild insn.
2116         (*floatsi<mode>2_vector_mixed): Ditto.
2117         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
2118         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
2119         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
2120         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
2121         * config/i386/gas.h (GAS_MNEMONICS): Remove.
2122
2123 2009-04-25  Ben Elliston  <bje@au.ibm.com>
2124  
2125         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
2126         the source of a set operation.
2127
2128 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
2129
2130         * target.h (struct gcc_target): Add case_values_threshold field.
2131         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
2132         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
2133         * targhooks.c (default_case_values_threshold): New function.
2134         * targhooks.h (default_case_values_threshold): Declare function.
2135         * stmt.c (expand_case): Use case_values_threshold target hook.
2136         * expr.h (case_values_threshold): Remove declartation.
2137         * expr.c (case_values_threshold): Remove function.
2138         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
2139
2140         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
2141         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
2142         (avr_case_values_threshold): Declare as static.
2143         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
2144
2145         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
2146         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
2147         (mn10300_case_values_threshold): New function.
2148
2149 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
2150
2151         * ira.c (setup_cover_and_important_classes): Add enum cast.
2152
2153 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
2154
2155         * genpreds.c (write_enum_constraint_num): Output definition of
2156         CONSTRAINT_NUM_DEFINED_P macro.
2157         * ira.c (setup_cover_and_important_classes): Use
2158         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
2159         
2160 2009-04-24  DJ Delorie  <dj@redhat.com>
2161
2162         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
2163         __SH2A_SINGLE_ONLY__ also.
2164
2165 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
2166
2167         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
2168         (movdf_internal): Ditto.
2169         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
2170         SFmode and DFmode constants.
2171         (ia64_print_operand): Add 'G' format for printing
2172         floating point constants.
2173
2174 2009-04-24  Richard Guenther  <rguenther@suse.de>
2175
2176         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
2177         from unsigned additions.
2178
2179 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
2180
2181         * c-typeck.c (set_init_index): Allow array designators that are
2182         not integer constant expressions with a pedwarn if pedantic.
2183
2184 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2185
2186         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
2187         zero if no overlap in nonzero bits between the operands.
2188
2189 2009-04-24  Ian Lance Taylor  <iant@google.com>
2190
2191         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
2192         (record_dead_and_set_regs): Likewise.
2193         * df.h (struct df_mw_hardreg): Change flags field to int.
2194         (struct df_base_ref): Likewise.
2195         (struct df): Change changeable_flags field to int.
2196         * df-scan.c (df_defs_record): Change clobber_flags to int.
2197         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
2198         constants rather than #define macros.
2199         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
2200         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
2201         (enum dwarf_calling_convention): Likewise.
2202         (enum dwarf_line_number_x_ops): Likewise.
2203         (enum dwarf_call_frame_info): Likewise.
2204         (enum dwarf_source_language): Likewise.
2205         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
2206         (add_calling_convention_attribute): Likewise.
2207         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
2208         (combine_comparisons): Change compcode to int.  Add cast to enum type.
2209         * genrecog.c (maybe_both_true_2): Change c to int.
2210         (write_switch): Likewise.  Add cast to enum type.
2211         * gimplify.c (gimplify_omp_for): Handle return values from
2212         gimplify_expr using MIN rather than bitwise or.
2213         (gimplify_expr): Add cast to enum type.
2214         * ipa-prop.c (update_jump_functions_after_inlining): Change
2215         IPA_BOTTOM to IPA_JF_UNKNOWN.
2216         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
2217         Add casts to enum type.
2218         (setup_cover_and_important_classes): Change cl to int.  Add casts
2219         to enum type.
2220         (setup_class_translate): Change cl and mode to int.
2221         (ira_init_once): Change mode to int.
2222         (free_register_move_costs): Likewise.
2223         (setup_prohibited_mode_move_regs): Add casts to enum type.
2224         * langhooks.c (add_builtin_function_common): Rework assertion that
2225         value fits bitfield.
2226         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
2227         * omega.c (omega_do_elimination): Avoid math on enum types.
2228         * optabs.c (expand_vec_shift_expr): Remove casts to int.
2229         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
2230         int local to handle integral_argment value.
2231         * regmove.c (try_auto_increment): Change PUT_MODE to
2232         PUT_REG_NOTE_KIND.
2233         * reload.c (push_secondary_reload): Add casts to enum type.
2234         (secondary_reload_class, find_valid_class): Likewise.
2235         * reload1.c (emit_input_reload_insns): Likewise.
2236         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
2237         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
2238         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
2239         constant.
2240         * tree.c (build_common_builtin_nodes): Add casts to enum type.
2241         * tree-complex.c (complex_lattice_t): Typedef to int rather than
2242         enum type.
2243         (expand_complex_libcall): Add casts to enum type.
2244         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
2245         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
2246         with ERROR_MARK, not NUM_TREE_CODES.
2247         (vect_create_epilog_for_reduction): Likewise.
2248         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
2249         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
2250         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
2251         enum machine_mode.
2252         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
2253         vect_unused_in_loop.  Change 0 to loop_vect.
2254         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
2255         * var-tracking.c (get_init_value): Change return type to enum
2256         var_init_status.
2257         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
2258         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
2259         arm_fp_model.
2260         (arm_override_options): Add casts to enum type.
2261         (arm_emit_tls_decoration): Likewise.
2262         * config/i386/i386.c (ix86_function_specific_restore): Add casts
2263         to enum type.
2264         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
2265         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
2266         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
2267         enum type.
2268         * config/s390/s390.c (code_for_builtin_64): Change to array of
2269         enum insn_code.
2270         (code_for_builtin_31): Likewise.
2271         (s390_expand_builtin): Change code_for_builtin to enum insn_code
2272         const *.
2273         * config/sparc/sparc.c (sparc_override_options): Change value
2274         field in struct code_model to enum cmodel.  In initializer change
2275         0 to NULL and add cast to enum type.
2276
2277         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
2278         Change all callers.  Issue a -Wc++-compat warning using
2279         lhs_origtype if necessary.
2280         (convert_for_assignment): Issue -Wc++-compat warnings about
2281         invalid conversions to enum type on assignment.
2282         * c-common.h (build_modify_expr): Update declaration.
2283
2284 2009-04-24  Nick Clifton  <nickc@redhat.com>
2285
2286         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
2287         (function_arg_advance): Likewise.
2288         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
2289         5th alternative.
2290
2291 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2292
2293         * config/s390/constraints.md ('I', 'J'): Fix condition.
2294
2295 2009-04-24  Diego Novillo  <dnovillo@google.com>
2296
2297         * gengtype-parse.c (parse_error): Add newline after message.
2298
2299 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
2300
2301         * config/i386/sse.md (avxmodesuffixs): Removed.
2302         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
2303         (*avx_pinsr<ssevecsize>): This.
2304
2305 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2306
2307         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
2308         follow chains of regs with a single definition, and allow expressions
2309         that are function_invariant_p.
2310         (simple_rhs_p): Allow expressions that are function_invariant_p.
2311
2312 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
2313
2314         PR middle-end/39867
2315         * fold-const.c (fold_cond_expr_with_comparison): When folding
2316         > and >= to MAX, make sure the MAX uses the same type as the
2317         comparison's operands.
2318
2319 2009-04-24  Nick Clifton  <nickc@redhat.com>
2320
2321         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
2322         addressing for DImode accesses.
2323         (frv_print_operand_address): Handle PLUS case.
2324         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
2325
2326 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
2327
2328         PR rtl-optimization/39794
2329         * alias.c (canon_true_dependence): Add x_addr argument.
2330         * rtl.h (canon_true_dependence): Adjust prototype.
2331         * cse.c (check_dependence): Adjust canon_true_dependence callers.
2332         * cselib.c (cselib_invalidate_mem): Likewise.
2333         * gcse.c (compute_transp): Likewise.
2334         * dse.c (scan_reads_nospill): Likewise.
2335         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
2336         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
2337         canon_base_addr of the group, plus optional offset.
2338         (struct group_info): Rename canon_base_mem to
2339         canon_base_addr.
2340         (get_group_info): Set canon_base_addr to canon_rtx of base, not
2341         canon_rtx of base_mem.
2342
2343 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
2344
2345         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
2346         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
2347
2348 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2349
2350         * config/spu/spu-builtins.h: Delete file.
2351
2352         * config/spu/spu.h (enum spu_builtin_type): Move here from
2353         spu-builtins.h.
2354         (struct spu_builtin_description): Likewise.  Add GTY marker.
2355         Do not use enum spu_function_code or enum insn_code.
2356         (spu_builtins): Add extern declaration.
2357
2358         * config/spu/spu.c: Do not include "spu-builtins.h".
2359         (enum spu_function_code, enum spu_builtin_type_index,
2360         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
2361         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
2362         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
2363         unsigned_V2DI_type_node): Move here from spu-builtins.h.
2364         (spu_builtin_types): Make static.  Add GTY marker.
2365         (spu_builtins): Add extern declaration with GTY marker.
2366         Include "gt-spu.h".
2367
2368         * config/spu/spu-c.c: Do not include "spu-builtins.h".
2369         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
2370         Check programmatically whether all parameters are scalar.
2371
2372         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
2373
2374 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2375
2376         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
2377         assignment from the constructor either if the target is volatile.
2378
2379 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
2380
2381         * config/arm/arm.md (insv): Do not share operands[0].
2382
2383 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
2384
2385         * config/vxlib-tls.c (active_tls_threads): Delete.
2386         (delete_hook_installed): New.
2387         (tls_delete_hook): Don't delete the delete hook.
2388         (tls_destructor): Delete it here.
2389         (__gthread_set_specific): Adjust installing the delete hook.
2390         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
2391         __gthread_leave_tsd_dtor_context.
2392
2393 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
2394
2395         * c-format.c (gcc_tdiag_char_table): Add support for %E.
2396
2397 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
2398
2399         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
2400         enum type.
2401         (alpha_rtx_costs): Ditto.
2402         (emit_unlikely_jump): Use add_reg_note.
2403         (emit_frame_store_1): Ditto.
2404         (alpha_expand_prologue): Ditto.
2405         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
2406         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
2407
2408 2009-04-23  Nick Clifton  <nickc@redhat.com>
2409
2410         * config/v850/v850.md (epilogue): Remove suppressed code.
2411         (return): Rename to return_simple and remove test of frame size.
2412         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
2413         to gen_return_simple.
2414
2415 2009-04-22  Jing Yu  <jingyu@google.com>
2416
2417         PR testsuite/39781
2418         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2419
2420 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2421
2422         PR C/31499
2423         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
2424         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
2425         value is a VECTOR_CST, the element type is the element type of the
2426         vector.
2427
2428 2009-04-22  DJ Delorie  <dj@redhat.com>
2429
2430         * config/m32c/m32c.h: Update GTY annotations to new syntax.
2431
2432 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
2433
2434         * alias.c (find_base_term): Move around LO_SUM case, so that
2435         CONST falls through into PLUS/MINUS handling.
2436
2437         PR c/39855
2438         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
2439         into 0, use omit_one_operand.
2440
2441 2009-04-23  Ben Elliston  <bje@au.ibm.com>
2442
2443         * config/rs6000/linux-unwind.h (get_regs): Remove type
2444         puns. Change the type of `pc' to an array of unsigned ints and
2445         update all users.  Constify frame24.
2446
2447 2009-04-22  DJ Delorie  <dj@redhat.com>
2448
2449         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
2450         declarations before code.
2451         (current_function_special_page_vector): Likewise.
2452         (m32c_expand_insv): Silence a warning.
2453
2454 2009-04-21  Taras Glek  <tglek@mozilla.com>
2455
2456         * alias.c: Update GTY annotations to new syntax.
2457         * basic-block.h: Likewise.
2458         * bitmap.h: Likewise.
2459         * c-common.h: Likewise.
2460         * c-decl.c: Likewise.
2461         * c-parser.c: Likewise.
2462         * c-pragma.c: Likewise.
2463         * c-tree.h: Likewise.
2464         * cfgloop.h: Likewise.
2465         * cgraph.h: Likewise.
2466         * config/alpha/alpha.c: Likewise.
2467         * config/arm/arm.h: Likewise.
2468         * config/avr/avr.h: Likewise.
2469         * config/bfin/bfin.c: Likewise.
2470         * config/cris/cris.c: Likewise.
2471         * config/darwin.c: Likewise.
2472         * config/frv/frv.c: Likewise.
2473         * config/i386/i386.c: Likewise.
2474         * config/i386/i386.h: Likewise.
2475         * config/i386/winnt.c: Likewise.
2476         * config/ia64/ia64.h: Likewise.
2477         * config/iq2000/iq2000.c: Likewise.
2478         * config/mips/mips.c: Likewise.
2479         * config/mmix/mmix.h: Likewise.
2480         * config/pa/pa.c: Likewise.
2481         * config/pa/pa.h: Likewise.
2482         * config/rs6000/rs6000.c: Likewise.
2483         * config/s390/s390.c: Likewise.
2484         * config/sparc/sparc.c: Likewise.
2485         * config/xtensa/xtensa.c: Likewise.
2486         * cselib.h: Likewise.
2487         * dbxout.c: Likewise.
2488         * dwarf2out.c: Likewise.
2489         * except.c: Likewise.
2490         * except.h: Likewise.
2491         * fixed-value.h: Likewise.
2492         * function.c: Likewise.
2493         * function.h: Likewise.
2494         * gimple.h: Likewise.
2495         * integrate.c: Likewise.
2496         * optabs.c: Likewise.
2497         * output.h: Likewise.
2498         * real.h: Likewise.
2499         * rtl.h: Likewise.
2500         * stringpool.c: Likewise.
2501         * tree-data-ref.c: Likewise.
2502         * tree-flow.h: Likewise.
2503         * tree-scalar-evolution.c: Likewise.
2504         * tree-ssa-address.c: Likewise.
2505         * tree-ssa-alias.h: Likewise.
2506         * tree-ssa-operands.h: Likewise.
2507         * tree.c: Likewise.
2508         * tree.h: Likewise.
2509         * varasm.c: Likewise.
2510         * varray.h: Likewise.
2511         * vec.h: Likewise.
2512         * coretypes.h: Do not define GTY macro if it is already defined.
2513         * doc/gty.texi: Update GTY documentation to new syntax.
2514         * gengtype-lex.l: Enforce attribute-like syntax for GTY
2515         annotations on structs.
2516         * gengtype-parse.c: Likewise.
2517
2518 2009-04-22  Mark Heffernan  <meheff@google.com>
2519
2520         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
2521
2522 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
2523
2524         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
2525         where appropriate.
2526
2527 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
2528
2529         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
2530         the same as a PLUS without a shift.  Increase the cost of a
2531         CONST_INT in MULT.
2532
2533 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2534
2535         * Makefile.in: Update dependencies.
2536         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
2537         * errors.h: Remove bogus comment about compatibility.
2538         (warning): Update declaration.
2539         * genautomata.c: Update all calls to warning.
2540         * gimple.c: Do not include errors.h. Include toplev.h.
2541         * tree-ssa-structalias.c: Do not include errors.h.
2542         * omega.c: Likewise.
2543         * tree-ssa-reassoc.c: Likewise.
2544         * config/spu/spu-c.c: Likewise.
2545         * config/spu/t-spu-elf: Update dependencies.
2546
2547 2009-04-22  Richard Guenther  <rguenther@suse.de>
2548
2549         PR tree-optimization/39824
2550         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
2551         make sure the types are compatible.
2552
2553 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2554
2555         PR c++/14875
2556         * c-common.c (c_parse_error): Take a token_flags parameter.
2557         Use token_type for the token type instead.
2558         Pass token_flags to cpp_type2name.
2559         * c-common.h (c_parse_error): Update declaration.
2560         * c-parser.c (c_parser_error): Pass 0 as token flags.
2561
2562 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
2563
2564         PR rtl-optimization/39580
2565         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
2566         
2567 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2568
2569         * function.c (expand_function_end): Do not emit a jump to the "naked"
2570         return label for fall-through returns.
2571         * except.c (sjlj_emit_function_exit): Always place the call to the
2572         unregister function at the location installed by expand_function_end.
2573
2574 2009-04-22  Richard Guenther  <rguenther@suse.de>
2575
2576         PR tree-optimization/39845
2577         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
2578         (gen_inbound_check): Likewise.
2579
2580 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2581
2582         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
2583         padding for PPC.
2584         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
2585         * config/vxlib.c (__gthread_once): Add race guard for PPC.
2586
2587 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
2588
2589         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
2590         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
2591         shift counts to avoid out-of-bounds array accesses.
2592
2593 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
2594
2595         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
2596         (Pmode): Move above.
2597
2598 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
2599
2600         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
2601         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
2602         GET_CODE macro.  Use IN_RANGE macro where appropriate.
2603         * config/alpha/alpha.h: Ditto.
2604         * config/alpha/alpha.md: Ditto.
2605         * config/alpha/constraints.md: Ditto.
2606         * config/alpha/predicates.md: Ditto.
2607         
2608 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
2609
2610         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
2611         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2612         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2613         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2614         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2615         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2616         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2617         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2618         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2619         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2620         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2621         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2622         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2623         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2624         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2625         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2626         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2627         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2628         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2629         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2630         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2631         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2632         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2633         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2634         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2635         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2636         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2637
2638 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2639
2640         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
2641         references from comments.
2642         * cfgbuild.c: (count_basic_blocks): Delete.
2643         (find_basic_blocks_1): Delete.
2644         (find_basic_blocks): Delete.
2645         * except.c (finish_eh_generation): Make static.  Move comment from
2646         except.h here.  Remove find_basic_blocks references from comments.
2647         * except.h (finish_eh_generation): Delete.
2648         * basic-block.h (find_basic_blocks): Delete.
2649         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
2650
2651 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
2652
2653         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
2654         (sdbout_parms):  Likewise.
2655
2656 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
2657
2658         * config/sh/sh.c (prepare_cbranch_operands): Use
2659         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
2660         (expand_cbranchdi4): Likewise.
2661         (from_compare): Add cast to enum type.
2662         (expand_cbranchsi4): Use add_reg_note.
2663         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
2664         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
2665         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
2666         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
2667         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
2668         instead of CODE_FOR_nothing.
2669         (cbranchdi4): Likewise.  Fix the order of arguments for
2670         gen_rtx_fmt_ee.
2671         (push_fpscr): Use add_reg_note.
2672         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
2673         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
2674         
2675 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
2676
2677         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
2678         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
2679         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
2680         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
2681         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
2682         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
2683         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
2684         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
2685         config/alpha/x-vms, config/arc/t-arc,
2686         config/arm/README-interworking, config/arm/arm-c.c,
2687         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
2688         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
2689         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
2690         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
2691         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
2692         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
2693         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
2694         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
2695         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
2696         config/cris/t-elfmulti, config/crx/t-crx,
2697         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
2698         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
2699         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
2700         config/h8300/t-h8300, config/i386/athlon.md,
2701         config/i386/darwin-libgcc.10.4.ver,
2702         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
2703         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
2704         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
2705         config/i386/t-linux64, config/i386/t-nwld,
2706         config/i386/t-rtems-i386, config/i386/t-sol2-10,
2707         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
2708         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
2709         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
2710         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
2711         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
2712         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
2713         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
2714         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
2715         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
2716         config/m68k/t-uclinux, config/mcore/t-mcore,
2717         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
2718         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
2719         config/mips/crtn.asm, config/mips/irix-crti.asm,
2720         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
2721         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
2722         config/mips/mips-fixed.md, config/mips/sb1.md,
2723         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
2724         config/mips/t-iris6, config/mips/t-isa3264,
2725         config/mips/t-libgcc-mips16, config/mips/t-linux64,
2726         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
2727         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
2728         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
2729         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
2730         config/mn10300/t-linux, config/mn10300/t-mn10300,
2731         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
2732         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
2733         config/picochip/libgccExtras/clzsi2.asm,
2734         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
2735         config/rs6000/darwin-libgcc.10.4.ver,
2736         config/rs6000/darwin-libgcc.10.5.ver,
2737         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
2738         config/rs6000/t-aix43, config/rs6000/t-aix52,
2739         config/rs6000/t-darwin, config/rs6000/t-fprules,
2740         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
2741         config/rs6000/t-lynx, config/rs6000/t-netbsd,
2742         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
2743         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
2744         config/rs6000/t-rtems, config/rs6000/t-spe,
2745         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
2746         config/score/t-score-elf, config/sh/divcost-analysis,
2747         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
2748         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
2749         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
2750         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
2751         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
2752         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
2753         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
2754         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
2755         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
2756         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
2757         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
2758         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
2759         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
2760         limitx.h, version.c, xcoff.h: Add copyright and license notices.
2761         * config/h8300/genmova.sh: Include copyright and license notices
2762         in generated output.
2763         * config/h8300/mova.md: Regenerate.
2764         * doc/install.texi2html: Include word "Copyright" in copyright
2765         notice and use name "Free Software Foundation, Inc.".
2766         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
2767         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
2768         ChangeLog-2007, ChangeLog-2008: Correct dates.
2769
2770 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
2771
2772         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
2773         NE_EXPR operations as well.
2774         * c-parser.c (c_parser_condition): Do not set location information on
2775         the condition.
2776         (c_parser_conditional_expression): Likewise.
2777         (c_parser_binary_expression): Set location information on operators.
2778         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
2779         TRUTH_NOT_EXPR has been folded.
2780         * fold-const.c (fold_truth_not_expr): Copy location information from
2781         the incoming expression to the outgoing one.
2782         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
2783         recursive calls on the LHS of the operator but pass that of the
2784         operator to recursive calls on the RHS of the operator.  Set it
2785         on the COND_EXPR.
2786         (shortcut_cond_expr): Set the locus of the operator on the second
2787         COND_EXPR and that of the expression on the first in degenerate cases.
2788         Pass the locus of the expression to calls to shortcut_cond_r.
2789         Set the locus of the 'then' block on the associated jump, if any.
2790         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
2791         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
2792         expression to call to gimplify_boolean_expr.
2793
2794 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
2795
2796         * config.gcc: Add additional configuration for
2797         i686-w64-mingw* and x86_64-w64-mingw* triplet.
2798         * config/i386/mingw-w64.h: New mingw-w64 specific header.
2799         (CPP_SPEC): Redefine for allowing -municode option.
2800         (STARTFILE_SPEC): Likewise.
2801         * config/i386/t-mingw-w64: New.
2802         * config/i386/mingw-w64.opt: New.
2803         (municode): Add new target option.
2804         * doc/invoke.texi (municode): Add documentation for new option.
2805
2806 2009-04-21  Ian Lance Taylor  <iant@google.com>
2807
2808         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2809         Correct test for number of arguments.
2810         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
2811
2812 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
2813
2814         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
2815         argument of emit_library_call.
2816
2817 2009-04-21  Richard Guenther  <rguenther@suse.de>
2818
2819         PR middle-end/39829
2820         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
2821         inside VIEW_CONVERT_EXPRs.
2822
2823 2009-04-21  Martin Jambor  <mjambor@suse.cz>
2824
2825         * tree-switch-conversion.c (build_constructors): Split a long line.
2826         (constructor_contains_same_values_p): New function.
2827         (build_one_array): Create assigns of constants if possible, do not
2828         call mark_sym_for_renaming, call update_stmt.
2829         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
2830         make_rename_temp.  Do not call mark_symbols_for_renaming, call
2831         update_stmt.
2832         (gen_def_assigns): Do not call mark_symbols_for_renaming or
2833         find_new_referenced_vars, call update_stmt.
2834         (gen_inbound_check): Use create_tmp_var and create ssa names manually
2835         instead of calling make_rename_temp.  Do not call
2836         find_new_referenced_vars or mark_symbols_for_renaming, call
2837         update_stmt.
2838
2839 2009-04-21  Richard Guenther  <rguenther@suse.de>
2840
2841         PR tree-optimization/39827
2842         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
2843         (tree_ssa_phiprop): Pass the correct array size.
2844
2845 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
2846
2847         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
2848
2849 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2850
2851         PR 16202
2852         * c-typeck.c (lvalue_p): Move declaration ...
2853         * c-common.h (lvalue_p): ... to here.
2854         * c-common.c (candidate_equal_p): New.
2855         (add_tlist): Use it.
2856         (merge_tlist): Use it.
2857         (warn_for_collisions_1): Likewise.
2858         (warning_candidate_p): Accept more candidates.
2859         (verify_tree): A warning candidate can be an expression. Use
2860         candidate_equal_p.
2861
2862 2009-04-21  Ben Elliston  <bje@au.ibm.com>
2863
2864         PR target/5267
2865         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
2866         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
2867         options.  Remove -mcall-solaris documentation.
2868
2869 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2870
2871         PR c++/13358
2872         * doc/invoke.texi (-Wlong-long): Update description.
2873         * c-lex (interpret_integer): Only warn if there was no previous
2874         overflow and -Wlong-long is enabled.
2875         * c-decl.c (declspecs_add_type): Drop redundant flags.
2876         * c.opt (Wlong-long): Init to -1.
2877         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
2878         and front-end warn_long_long. Wlong-long only depends on other
2879         flags if it is uninitialized.
2880         * c-parser.c (disable_extension_diagnostics): warn_long_long is
2881         the same for CPP and FE.
2882         (restore_extension_diagnostics): Likewise.
2883
2884 2009-04-20  Ian Lance Taylor  <iant@google.com>
2885
2886         Fix enum conversions which are invalid in C++:
2887         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
2888         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
2889         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
2890         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
2891         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
2892         (dbxout_parms): Likewise.
2893         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
2894         (df_clear_flags): Likewise.
2895         * df-problems.c (df_rd_bb_local_compute_process_def): Change
2896         top_flag parameter to int.
2897         (df_chain_create_bb_process_use): Likewise.
2898         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
2899         Remove cast.
2900         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
2901         (df_ref_create_structure, df_def_record_1): Likewise.
2902         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
2903         (df_notes_rescan): Change 0 to VOIDmode in function call.
2904         (df_get_call_refs, df_insn_refs_collect): Likewise.
2905         (df_bb_regs_collect): Likewise.
2906         (df_entry_block_defs_collect): Likewise.
2907         (df_exit_block_uses_collect): Likewise.
2908         * df.h: Update declarations.
2909         * double-int.c (double_int_divmod): Add cast to enum type.
2910         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
2911         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
2912         (based_loc_descr): Likewise.
2913         (loc_descriptor_from_tree_1): Change first_op and second_op to
2914         enum dwarf_location_atom.  Add cast to enum type.
2915         * expmed.c (init_expmed): Change 0 to SET in function call.
2916         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
2917         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
2918         (do_store_flag): Likewise.
2919         * fixed-value.h (struct fixed_value): Change mode to enum
2920         machine_mode.
2921         * function.c (assign_parms): Change 0 to VOIDmode in function call.
2922         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
2923         function call.
2924         (insert_insn_decl, insert_decl, insert_state): Likewise.
2925         (automata_list_finish): Likewise.
2926         * genrecog.c (process_define_predicate): Add cast to enum type.
2927         * gensupport.c (init_predicate_table): Add cast to enum type.
2928         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
2929         function call.
2930         (gimple_build_call_1, gimple_build_label): Likewise.
2931         (gimple_build_goto, gimple_build_asm_1): Likewise.
2932         (gimple_build_switch_1, gimple_build_cdt): Likewise.
2933         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
2934         (enum fallback): Rename from enum fallback_t.
2935         (fallback_t): Typedef as int.
2936         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
2937         GSI_SAME_STMT in function call.
2938         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
2939         enum type.
2940         (setup_reg_class_relations): Likewise.
2941         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
2942         (setup_prohibited_class_mode_regs): Add cast to enum type.
2943         (setup_prohibited_mode_move_regs): Likewise.
2944         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
2945         (record_address_regs): Change i to enum reg_class.
2946         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
2947         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
2948         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
2949         (GET_MODE_2XWIDER_MODE): Likewise.
2950         (GET_CLASS_NARROWEST_MODE): Likewise.
2951         * omp-low.c (expand_omp_for): Add cast to enum type.
2952         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
2953         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
2954         * postreload.c (reload_cse_simplify_operands): Change rclass local
2955         to enum reg_class.
2956         * predict.c (combine_predictions_for_insn): Change best_predictor
2957         and predictor to enum br_predictor.
2958         (combine_predictions_for_bb): Likewise.
2959         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
2960         use SET_PREDICT_EXPR_OUTCOME.
2961         * real.c (real_arithmetic): Change icode to code in function call.
2962         * reginfo.c (init_move_cost): Add casts to enum type.
2963         (init_reg_sets_1, init_fake_stack_mems): Likewise.
2964         * regmove.c (regclass_compatible_p): Change class0 and class1 to
2965         enum reg_class.
2966         * reload.c (find_valid_class): Add casts to enum type.
2967         (push_reload): Change 0 to NO_REGS in function call.
2968         (find_reloads): Change this_alternative to array of enum
2969         reg_class.  Remove some now-unnecessary casts.
2970         (make_memloc): Change 0 to VOIDmode in function call.
2971         * reload1.c (reload): Change 0 to VOIDmode in function call.
2972         (eliminate_regs_1, elimination_effects): Likewise.
2973         (eliminate_regs_in_insn): Likewise.
2974         (emit_input_reload_insns): Add cast to enum type.
2975         (delete_output_reload): Change 0 to VOIDmode in function call.
2976         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
2977         to enum type in function call.
2978         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
2979         (SET_PREDICT_EXPR_OUTCOME): Define.
2980         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
2981         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
2982         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
2983         (dump_function): Likewise.
2984         * tree-dump.h: Update declarations.
2985         * tree-pass.h: Update declarations.
2986         * varasm.c (assemble_integer): Change mclass to enum mode_class.
2987         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
2988         enum type.
2989         (arm_rtx_costs_1): Correct parenthesization.
2990         (arm_rtx_costs): Add casts to enum type.
2991         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
2992         (vfp_emit_fstmd): Use add_rg_note.
2993         (emit_multi_reg_push, emit_sfm): Likewise.
2994         (thumb_set_frame_pointer): Likewise.
2995         (arm_expand_prologue): Likewise.
2996         (arm_regno_class): Change return type to enum reg_class.
2997         (thumb1_expand_prologue): Use add_reg_note.
2998         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
2999         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
3000         in function call.
3001         * config/arm/gentune.sh: Add cast to enum type.
3002         * config/arm/arm-tune.md: Rebuild.
3003         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
3004         (ix86_split_fp_branch, predict_jump): Likewise.
3005         (ix86_expand_multi_arg_builtin): Change sub_code from enum
3006         insn_code to enum rtx_code.
3007         (ix86_builtin_vectorized_function): Add cast to enum type.
3008         * config/i386/i386.md (truncdfsf2): Change slot to enum
3009         ix86_stack_slot.
3010         (truncxf<mode>2, isinf<mode>2): Likewise.
3011         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
3012         enum type.
3013         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
3014         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
3015         (insert_bundle_state): Change 1 to INSERT in function call.
3016         (ia64_add_bundle_selector_before): Likewise.
3017         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
3018         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
3019         (restore_stack_nonlocal): Likewise.
3020         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
3021         function call.
3022         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
3023         function call.
3024         (mips_rtx_costs): Likewise.
3025         (mips_override_options): Add casts to enum type.
3026         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
3027         in function call.
3028         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
3029         (store_reg, set_reg_plus_d): Likewise.
3030         (hppa_expand_prologue, hppa_profile_hook): Likewise.
3031         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
3032         cast to enum type.
3033         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
3034         function call.
3035         (emit_unlikely_jump): Use add_reg_note.
3036         (rs6000_emit_allocate_stack): Likewise.
3037         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
3038         (output_toc): Change 1 to INSERT in function call.
3039         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
3040         (rs6000_initialize_trampoline): Likewise.
3041         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
3042         function call.
3043         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
3044         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
3045         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
3046         (save_gprs): Use add_reg_note.
3047         (s390_emit_prologue): Likewise.
3048         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3049         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
3050         (sparc_fold_builtin): Add cast to enum type.
3051         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
3052         enum insn_code.
3053         (spu_expand_prologue): Use add_reg_note.
3054         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
3055
3056 2009-04-20  Ian Lance Taylor  <iant@google.com>
3057
3058         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
3059         (c_parser_postfix_expression_after_primary): Get VEC for list of
3060         arguments.  Get original types of arguments.  Call
3061         build_function_call_vec.
3062         (cached_expr_list_1, cached_expr_list_2): New static variables.
3063         (c_parser_expr_list): Change return type to VEC *.  Add
3064         p_orig_types parameter.  Change all callers.
3065         (c_parser_release_expr): New static function.
3066         (c_parser_vec_to_tree_list): New static function.
3067         * c-typeck.c (build_function_call): Rewrite to build a VEC and
3068         call build_function_call_vec.
3069         (build_function_call_vec): New function, based on old
3070         build_function_call.
3071         (convert_arguments): Remove nargs and argarray parameters.  Change
3072         values to a VEC.  Add origtypes parameter.
3073         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
3074         (convert_for_assignment): Add origtype parameter.  Change all
3075         callers.  If warn_cxx_compat, check for conversion to an enum
3076         type when calling a function.
3077         (store_init_value): Add origtype parameter.  Change all callers.
3078         (digest_init): Likewise.
3079         (struct init_node): Add origtype field.
3080         (add_pending_init): Add origtype parameter.  Change all callers.
3081         (output_init_element): Likewise.
3082         (output_pending_init_elements): Pass origtype from init_node to
3083         output_init_element.
3084         (process_init_element): Pass origtype from c_expr to
3085         output_init_element.
3086         (c_finish_return): Add origtype parameter.  Change all callers.
3087         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
3088         caller.
3089         (sync_resolve_params): Likewise.
3090         (sync_resolve_return): Change params to first_param.  Change caller.
3091         (resolve_overloaded_builtins): Change params to VEC *.  Change
3092         callers.  Save first parameter around call to build_function_call_vec.
3093         * c-decl.c (finish_decl): Add origtype parameter.  Change all
3094         callers.  Call build_function_call_vec rather than
3095         build_function_call for cleanup.
3096         * c-tree.h: Update declarations.
3097         * c-common.h: Update declarations.
3098         * stub-objc.c (objc_rewrite_function_call): Change parameter from
3099         params to first_param.
3100         * target.h (struct gcc_target): Change resolve_overloaded_builtin
3101         params parameter from tree to void *.
3102         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3103         Change arglist parameter to have type void *, and to be a pointer
3104         to a VEC.
3105         * config/rs6000/rs6000-protos.h
3106         (altivec_resolve_overloaded_builtin): Update declaration.
3107         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
3108         fnargs parameter to have type void *, and to be a pointer to a
3109         VEC.  Call build_function_call_vec instead of
3110         build_function_call.
3111         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
3112
3113 2009-04-20  Joey Ye  <joey.ye@intel.com>
3114             Xuepeng Guo  <xuepeng.guo@intel.com>
3115             H.J. Lu  <hongjiu.lu@intel.com>
3116
3117         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
3118
3119         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
3120         (IX86_LEA_PRIORITY): Likewise.
3121         (distance_non_agu_define): New function.
3122         (distance_agu_use): Likewise.
3123         (ix86_lea_for_add_ok): Likewise.
3124         (ix86_dep_by_shift_count): Likewise.
3125
3126         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
3127         should split for LEA.
3128
3129         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
3130         function.
3131         (ix86_dep_by_shift_count): Likewise.
3132
3133 2009-04-20  Richard Guenther  <rguenther@suse.de>
3134
3135         * expr.c (handled_component_p): Move ...
3136         * tree.h (handled_component_p): ... here.
3137         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
3138         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
3139         and REALPART_EXPR to be in one group.
3140
3141 2009-04-20  Richard Guenther  <rguenther@suse.de>
3142
3143         * basic-block.h (get_all_dominated_blocks): Declare.
3144         * dominance.c (get_all_dominated_blocks): New function.
3145         * tree-cfg.c (get_all_dominated_blocks): Remove.
3146         (remove_edge_and_dominated_blocks): Adjust.
3147         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
3148         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
3149         instead of recursing.
3150
3151 2009-04-20  Doug Kwan  <dougkwan@google.com>
3152
3153         * cgraph.h (cgraph_node_ptr): New type for vector functions.
3154         (struct cgraph_node_set_def): New type.
3155         (cgraph_node_set) New type. Also declare vector functions.
3156         (struct cgraph_node_set_element_def): New type.
3157         (cgraph_node_set_element): Ditto.
3158         (cgraph_node_set_iterator): New iterator type.
3159         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
3160         cgraph_node_set_remove, dump_cgraph_node_set,
3161         debug_cgraph_node_set): New prototypes.
3162         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
3163         cgraph_node_set_size): New inlines.
3164         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
3165         including cgraph.h.
3166         (struct ipa_opt_pass): Add struct cgraph_node_set_def
3167         argument to function 'write_summary'.
3168         * ipa.c: Include ggc.h.
3169         (hash_cgraph_node_set_element,
3170         eq_cgraph_node_set_element, cgraph_node_set_new,
3171         cgraph_node_set_add, cgraph_node_set_remove,
3172         cgraph_node_set_find, dump_cgraph_node_set,
3173         debug_cgraph_node_set): New functions.
3174         * Makefile.in (ipa.o): Add dependency on GGC_H.
3175
3176 2009-04-20  Ira Rosen  <irar@il.ibm.com>
3177
3178         PR tree-optimization/39675
3179         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
3180         check of the return code of vect_schedule_slp. Check that
3181         stmt_vec_info still exists for the statement, before checking its
3182         vectorization type.
3183
3184 2009-04-20  Michael Matz  <matz@suse.de>
3185
3186         * Makefile.in (generated_files): Take out $(simple_generated_c).
3187
3188 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
3189
3190         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
3191         (UINTPTR_TYPE):  Likewise.
3192
3193 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
3194
3195         PR c/37481
3196         * c-typeck.c (digest_init): Check for initializing an array with a
3197         string literal.
3198
3199 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
3200
3201         PR c/19771
3202         * c-semantics.c (pop_stmt_list): Propagate
3203         STATEMENT_LIST_HAS_LABEL to parent statement list.
3204
3205 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
3206
3207         * config/mips/mips.h (mips_tune_attr): New macro.
3208         * config/mips/mips.md (cpu): Use it.
3209
3210 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
3211
3212         PR c/38243
3213         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
3214         declaring a tag.
3215
3216 2009-04-19  Diego Novillo  <dnovillo@google.com>
3217
3218         * toplev.c (compile_file): Move call to coverage_finish ...
3219         * cgraphunit.c (ipa_passes): ... here.
3220         Call cgraph_process_new_functions.
3221         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
3222         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
3223
3224 2009-04-19  Jan Hubicka  <jh@suse.cz>
3225
3226         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
3227         cfun.
3228         (dump_cgraph_node): Dump can throw external flag.
3229         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
3230
3231 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3232
3233         PR c/32061
3234         PR c++/36954
3235         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
3236         * common.opt (Wlogical-op): Move from here...
3237         * c.opt (Wlogical-op): ... to here.
3238         * c-typeck.c (parser_build_binary_op): Update call to
3239         warn_logical_operator.
3240         * c-opts.c (c_common_post_options): Enable warn_logical_op with
3241         extra_warnings.
3242         * c-common.c (warn_logical_op): Update.
3243         * c-common.h (warn_logical_op): Update declaration.
3244
3245 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
3246
3247         * tree.c (protected_set_expr_location): Fix formatting.
3248
3249 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
3250
3251         PR c/27676
3252         * c-typeck.c (readonly_warning): new.
3253         (build_unary_op, build_modify_expr): Use readonly_warning for
3254         storing into something readonly but not const-qualified.
3255
3256 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
3257
3258         PR c/22367
3259         * c-typeck.c (build_unary_op): Check for taking address of
3260         expression of type void.
3261
3262 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
3263
3264         PR c/35210
3265         * c-typeck.c (build_function_call): Check for calling a function
3266         with qualified void return types.  Call require_complete_type when
3267         generating a trap.
3268
3269 2009-04-18  Jan Hubicka  <jh@suse.cz>
3270
3271         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
3272         Set nothrow flag.
3273         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
3274         can_throw_external flag.
3275         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
3276         * ipa-pure-const.c (ignore_edge): New function.
3277         (propagate): Compute order for NOTHROW computation; set NOTHROWs
3278         only over can_throw_external edges.
3279         (local_pure_const): Add nothrow flag.
3280         * ipa-utils.c (searchc): Add ignore_edge callback.
3281         (ipa_utils_reduced_inorder): Add ignore_edge callback.
3282         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
3283         (set_nothrow_function_flags): Update cgraph.
3284         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
3285
3286 2009-04-18  Richard Guenther  <rguenther@suse.de>
3287
3288         PR middle-end/39804
3289         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
3290         (fold_stmt): ... this and ...
3291         (fold_stmt_inplace): ... this.
3292         (fold_stmt_1): Fold references in calls and asms.
3293         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
3294
3295 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3296
3297         * tree-vrp.c (ssa_name_nonzero_p): Remove.
3298         * tree.h: Remove the prototype for ssa_name_nonzero_p.
3299
3300 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3301
3302         * tree.c (function_args_count): Remove.
3303         * tree.h: Remove the prototype for function_args_count.
3304
3305 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3306
3307         * tree-iterator.c (expr_only): Remove.
3308         * tree.h: Remove the prototype for expr_only.
3309
3310 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3311
3312         * reginfo.c (cannot_change_mode_set_regs): Remove.
3313         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
3314
3315 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
3316
3317         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
3318         whether operands 0 and 1 overlaps.
3319
3320 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3321
3322         PR middle-end/36902
3323         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
3324         pointer. Use warning_at instead of warning.
3325         (search_for_addr_array): Likewise.
3326         (check_array_bounds): Likewise.
3327         (check_all_array_refs): Check that the incoming edge is not in the
3328         list of edges to be removed.
3329         (check_all_array_refs): Avoid the temporal pointer.
3330         (vrp_visit_cond_stmt): Fix typo.
3331         (simplify_switch_using_ranges): Handle the case where the switch
3332         index is an integer constant.
3333
3334 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
3335
3336         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
3337
3338 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3339
3340         * doc/extend.texi, doc/invoke.texi: Fix typos.
3341
3342 2009-04-17  Cary Coutant  <ccoutant@google.com>
3343
3344         * tree-flow-inline.h (get_lineno): Fix inverted test.
3345
3346 2009-04-17  Diego Novillo  <dnovillo@google.com>
3347
3348         * tree-ssa-pre.c (create_expression_by_pieces): Remove
3349         assertion for AVAIL_OUT.
3350
3351 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
3352
3353         PR target/38627
3354         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
3355         * config/sh/linux-atomic.asm: Likewise.
3356
3357 2009-04-17  Diego Novillo  <dnovillo@google.com>
3358
3359         * except.c (debug_eh_tree): New.
3360         (struct eh_region, struct eh_status): Move ...
3361         * except.h: ... here.
3362         (add_type_for_runtime): Declare extern.
3363         (lookup_type_for_runtime): Likewise.
3364         (debug_eh_tree): Declare.
3365         * Makefile.in (GTFILES): List except.h before except.c
3366
3367 2009-04-17  Diego Novillo  <dnovillo@google.com>
3368
3369         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
3370         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
3371         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
3372         (find_vars_r): ... here.
3373         * tree-flow.h (find_referenced_vars_in): Declare.
3374         * tree-ssa-pre.c (create_expression_by_pieces): Assert
3375         that AVAIL_OUT exists for BLOCK.
3376         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
3377         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
3378         (tree-parloops.o): Likewise.
3379
3380 2009-04-17  Simon Baldwin  <simonb@google.com>
3381
3382         * toplev.c (default_tree_printer): Add handling for %E format.
3383
3384 2009-04-17  Diego Novillo  <dnovillo@google.com>
3385
3386         * tree-pretty-print.c (dump_generic_node): Add break after
3387         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
3388         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
3389         FUNCTION_TYPE together.  Call print_struct_decl when printing
3390         structures and TDF_SLIM is not given.
3391         (print_struct_decl): Fix logic for detecting recursion.
3392
3393 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
3394
3395         PR 31567
3396         * gcc.c (create_at_file): New.
3397         (compile_input_file_p): New.
3398         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
3399         * main.c (main): Update call to toplev_main.
3400         * toplev.c (toplev_main): Change signature. Call expandargv.
3401         * toplev.h (toplev_main): Change signature.
3402
3403 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
3404
3405         * dwarf2out.c (field_byte_offset): Use the type size as the field size
3406         if the latter is not constant.
3407
3408 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
3409
3410         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
3411
3412 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
3413
3414         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
3415         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
3416
3417 2009-04-17  Richard Guenther  <rguenther@suse.de>
3418
3419         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3420         Handle component references view-converting an invariant address.
3421
3422 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
3423
3424         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
3425         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
3426         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
3427         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
3428         Use @deftypevr rather than @deftypevar.
3429
3430 2009-04-17  Richard Guenther  <rguenther@suse.de>
3431
3432         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
3433         (get_prop_source_stmt): Likewise.
3434         (can_propagate_from): Likewise.
3435
3436 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
3437
3438         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
3439         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
3440         (--with-multilib-list): Add default value.
3441         * configure: Regenerate.
3442         * Makefile.in (TM_ENDIAN_CONFIG): Define.
3443         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
3444         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
3445         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
3446         Don't add default cpu to multilib list unnecessarily, but do enable
3447         the relevant compiler option..
3448         Add support for --with-multilib-list=<blank> and
3449         --with-multilib-list=!<somelib> to supress unwanted multilibs.
3450         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
3451         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
3452         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
3453         TM_MULTILIB_CONFIG.
3454         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
3455         (MULTILIB_OSDIRNAMES): New variable.
3456         * config/sh/t-1e: Delete file.
3457         * config/sh/t-mlib-sh1: Delete file.
3458         * config/sh/t-mlib-sh2: Delete file.
3459         * config/sh/t-mlib-sh2a: Delete file.
3460         * config/sh/t-mlib-sh2a-nofpu: Delete file.
3461         * config/sh/t-mlib-sh2a-single: Delete file.
3462         * config/sh/t-mlib-sh2a-single-only: Delete file.
3463         * config/sh/t-mlib-sh2e: Delete file.
3464         * config/sh/t-mlib-sh3e: Delete file.
3465         * config/sh/t-mlib-sh4: Delete file.
3466         * config/sh/t-mlib-sh4-nofpu: Delete file.
3467         * config/sh/t-mlib-sh4-single: Delete file.
3468         * config/sh/t-mlib-sh4-single-only: Delete file.
3469         * config/sh/t-mlib-sh4a: Delete file.
3470         * config/sh/t-mlib-sh4a-nofpu: Delete file.
3471         * config/sh/t-mlib-sh4a-single: Delete file.
3472         * config/sh/t-mlib-sh4a-single-only: Delete file.
3473         * config/sh/t-mlib-sh4al: Delete file.
3474         * config/sh/t-mlib-sh5-32media: Delete file.
3475         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
3476         * config/sh/t-mlib-sh5-64media: Delete file.
3477         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
3478         * config/sh/t-mlib-sh5-compact: Delete file.
3479         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
3480         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
3481         * doc/install.texi (Options specification): Add
3482         --with-multilib-list and --with-endian.
3483
3484 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
3485
3486         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
3487         REVISION_c.
3488         (OBJS-common): Add plugin-version.o.
3489         (plugin-version.o): New.
3490         * gcc-plugin.h (plugin_gcc_version): New.
3491         (plugin_default_version_check): New.
3492         (plugin_init_func, plugin_init): Add version argument.
3493         * plugin-version.c: New.
3494         * plugin.c (str_plugin_gcc_version_name): New.
3495         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
3496         pass it to the init function.
3497         (plugin_default_version_check): New.
3498
3499 2009-04-17  Richard Guenther  <rguenther@suse.de>
3500
3501         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
3502         for decl-vs-decl disambiguation.
3503
3504 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3505
3506         * config/s390/s390.h (s390_tune_attr): New macro definition.
3507         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
3508
3509 2009-04-17  Richard Guenther  <rguenther@suse.de>
3510
3511         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
3512         (fold_stmt_r): Likewise.
3513         (maybe_fold_reference): New function.
3514         (fold_gimple_assign): Handle cases fold_stmt_r did.
3515         (fold_stmt): Do not use fold_stmt_r.
3516         (fold_stmt_inplace): Likewise.
3517
3518 2009-04-17  Richard Guenther  <rguenther@suse.de>
3519
3520         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
3521         (record_equivalences_from_stmt): Remove useless checks and
3522         simplifications.
3523         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
3524         the type is already suitable.
3525
3526 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
3527
3528         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
3529
3530 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
3531
3532         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
3533         (CMPtype): Define as __gcc_CMPtype.
3534
3535 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
3536
3537         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
3538         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
3539
3540 2009-04-17  Richard Guenther  <rguenther@suse.de>
3541
3542         PR tree-optimization/39746
3543         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
3544         special-casing for builtins and static variable use/def.
3545         (call_may_clobber_ref_p_1): Likewise.
3546
3547 2009-04-16  Ian Lance Taylor  <iant@google.com>
3548
3549         * df.h: Include "timevar.h".
3550         (struct df_problem): Change tv_id field to timevar_id_t.
3551         * tree-pass.h: Include "timevar.h".
3552         (struct opt_pass): Change tv_id field to timevar_id_t.
3553         * timevar.h (timevar_id_t): Define TV_NONE.
3554         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
3555         TV_NONE rather than tv_id != 0.
3556         (execute_one_pass): Likewise.
3557         * Makefile.in (DF_H): Add $(TIMEVAR_H).
3558         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
3559         dependencies to $(TREE_PASS_H).
3560         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
3561         to TV_NONE.
3562         (pass_branch_target_load_optimize2): Likewise.
3563         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
3564         (pass_outof_cfg_layout_mode): Likewise.
3565         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
3566         (pass_rebuild_cgraph_edges): Likewise.
3567         (pass_remove_cgraph_callee_edges): Likewise.
3568         * df-core.c (pass_df_initialize_opt): Likewise.
3569         (pass_df_initialize_no_opt): Likewise.
3570         (pass_df_finish): Likewise.
3571         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
3572         * except.c (pass_set_nothrow_function_flags): Likewise.
3573         (pass_convert_to_eh_region_ranges): Likewise.
3574         * final.c (pass_compute_alignments): Likewise.
3575         * function.c (pass_instantiate_virtual_regs): Likewise.
3576         (pass_init_function): Likewise.
3577         (pass_leaf_regs): Likewise.
3578         (pass_match_asm_constraints): Likewise.
3579         * gimple-low.c (pass_lower_cf): Likewise.
3580         (pass_mark_used_blocks): Likewise.
3581         * init-regs.c (pass_initialize_regs): Likewise.
3582         * integrate.c (pass_initial_value_sets): Likewise.
3583         * ira.c (pass_ira): Likewise.
3584         * jump.c (pass_cleanup_barriers): Likewise.
3585         * omp-low.c (pass_expand_omp): Likewise.
3586         (pass_lower_omp): Likewise.
3587         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
3588         * recog.c (pass_split_all_insns): Likewise.
3589         (pass_split_after_reload): Likewise.
3590         (pass_split_before_regstack): Likewise.
3591         (pass_split_before_sched2): Likewise.
3592         (pass_split_for_shorten_branches): Likewise.
3593         * reginfo.c (pass_reginfo_init): Likewise.
3594         (pass_subregs_of_mode_init): Likewise.
3595         (pass_subregs_of_mode_finish): Likewise.
3596         * passes.c (pass_postreload): Likewise.
3597         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
3598         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
3599         (pass_warn_function_return): Likewise.
3600         (pass_warn_function_noreturn): Likewise.
3601         * tree-complex.c (pass_lower_complex): Likewise.
3602         (pass_lower_complex_O0): Likewise.
3603         * tree-if-conv.c (pass_if_conversion): Likewise.
3604         * tree-into-ssa.c (pass_build_ssa): Likewise.
3605         * tree-mudflap.c (pass_mudflap_1): Likewise.
3606         (pass_mudflap_2): Likewise.
3607         * tree-nomudflap.c (pass_mudflap_1): Likewise.
3608         (pass_mudflap_2): Likewise.
3609         * tree-nrv.c (pass_return_slot): Likewise.
3610         * tree-object-size.c (pass_object_sizes): Likewise.
3611         * tree-optimize.c (pass_all_optimizations): Likewise.
3612         (pass_early_local_passes): Likewise.
3613         (pass_all_early_optimizations): Likewise.
3614         (pass_cleanup_cfg): Likewise.
3615         (pass_cleanup_cfg_post_optimizing): Likewise.
3616         (pass_free_datastructures): Likewise.
3617         (pass_free_cfg_annotations): Likewise.
3618         (pass_fixup_cfg): Likewise.
3619         (pass_init_datastructures): Likewise.
3620         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
3621         (pass_late_warn_uninitialized): Likewise.
3622         (pass_update_address_taken): Likewise.
3623         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
3624         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
3625         (pass_cse_sincos): Likewise.
3626         (pass_convert_to_rsqrt): Likewise.
3627         * tree-ssa-structalias.c (pass_build_alias): Likewise.
3628         * tree-stdarg.c (pass_stdarg): Likewise.
3629         * tree-tailcall.c (pass_tail_recursion): Likewise.
3630         (pass_tail_calls): Likewise.
3631         * tree-vect-generic.c (pass_lower_vector): Likewise.
3632         (pass_lower_vector_ssa): Likewise.
3633         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
3634
3635 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
3636
3637         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
3638         XLR entry.
3639         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
3640         Handle -march=xlr.
3641         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
3642         logical and signext.
3643
3644 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
3645
3646         PR target/39767
3647         * config/sh/predicates.md (arith_operand): Check if the operand
3648         of TRUNCATE is a REG.
3649
3650 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3651
3652         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
3653         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
3654
3655 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3656
3657         * tree-iterator.c (tsi_split_statement_list_after,
3658         tsi_split_statement_list_before): Remove.
3659         * tree-iterator.h: Remove the prototypes for
3660         tsi_split_statement_list_after and tsi_split_statement_list_before.
3661
3662 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3663
3664         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
3665         * tree-ssa-propagate.h: Remove the prototype for
3666         stmt_makes_single_load.
3667
3668 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3669
3670         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
3671         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
3672
3673 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3674
3675         * tree-iterator.c (EXPR_LAST_BODY): Remove.
3676
3677 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3678
3679         * except.c (eh_region_outer_p): Remove.
3680         * except.h: Remove the prototype for eh_region_outer_p.
3681
3682 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3683
3684         * function.c (current_function_assembler_name): Remove.
3685         * function.h: Remove the prototype for
3686         current_function_assembler_name.
3687
3688 2009-04-16  Ian Lance Taylor  <iant@google.com>
3689
3690         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
3691         (add_reg_note): Call alloc_reg_note.
3692         * rtl.h (alloc_reg_note): Declare.
3693         * combine.c (try_combine): Use alloc_reg_note.
3694         (recog_for_combine, move_deaths): Likewise.
3695         (distribute_notes): Use alloc_reg_note and add_reg_note.
3696         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
3697         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
3698         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
3699
3700 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
3701
3702         PR rtl-optimization/39762
3703         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
3704         ira_may_move_out_cost): Add comments about way of their usage.
3705         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
3706
3707         * ira-conflicts.c (process_regs_for_copy): Use function
3708         ira_get_register_move_cost instead of global
3709         ira_register_move_cost.
3710
3711         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
3712         color_pass, move_spill_restore, update_curr_costs): Ditto.
3713
3714         * ira-lives.c (process_single_reg_class_operands): Ditto.
3715
3716         * ira-emit.c (emit_move_list): Ditto.
3717
3718         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
3719         (record_reg_classes): Ditto.  Use functions
3720         ira_get_register_move_cost and ira_get_may_move_cost instead of
3721         global vars ira_register_move_cost, ira_may_move_out_cost and
3722         ira_may_move_in_cost.
3723         (record_address_regs): Don't call ira_init_register_move_cost.
3724         Use function ira_get_may_move_cost instead of global
3725         ira_may_move_in_cost.
3726         (process_bb_node_for_hard_reg_moves): Use function
3727         ira_get_register_move_cost instead of global ira_register_move_cost.
3728         (ira_costs): Don't call ira_init_register_move_cost.
3729
3730 2009-04-16  Richard Guenther  <rguenther@suse.de>
3731
3732         * tree-cfg.c (verify_gimple_assign_binary):
3733         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
3734         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
3735         (create_general_new_stmt): Note that this function is broken.
3736
3737 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
3738
3739         * common.opt (fhelp): Add Var(help_flag).
3740         * gcc-plugin.h (plugin_info): Add help.
3741         * plugin.c (plugin_name_args): Add help.
3742         (register_plugin_info): Set plugin->help.
3743         (print_help_one_plugin): New.
3744         (print_plugins_help): New.
3745         * plugin.h (print_plugins_help): New.
3746         * toplev.c (toplev_main): Call print_plugins_help if needed.
3747
3748 2009-04-16  Richard Guenther  <rguenther@suse.de>
3749
3750         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
3751         (gimple_ior_addresses_taken_1): New function.
3752         (gimple_ior_addresses_taken): Likewise.
3753         * gimple.h (struct gimple_statement_with_ops_base): Remove
3754         addresses_taken member.
3755         (gimple_ior_addresses_taken): Declare.
3756         (gimple_addresses_taken, gimple_addresses_taken_ptr,
3757         gimple_set_addresses_taken): Remove.
3758         * ipa-reference.c (mark_address): New function.
3759         (scan_stmt_for_static_refs): Use it for marking addresses taken.
3760         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
3761         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
3762         (gimple_add_to_addresses_taken): Remove.
3763         (get_tmr_operands): Call mark_address_taken.
3764         (get_asm_expr_operands): Likewise.
3765         (get_expr_operands): Likewise.
3766         (build_ssa_operands): Do not clear the addresses_taken bitmap.
3767         (free_stmt_operands): Do not free it.
3768         * tree-ssa.c (delete_tree_ssa): Likewise.
3769         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
3770
3771 2009-04-16  Richard Guenther  <rguenther@suse.de>
3772
3773         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
3774         (walk_stmt_load_store_ops): Likewise.
3775         * gimple.c (get_base_loadstore): New function.
3776         (walk_stmt_load_store_addr_ops): Likewise.
3777         (walk_stmt_load_store_ops): Likewise.
3778         * ipa-pure-const.c (check_op): Simplify.
3779         (check_load, check_store): New functions.
3780         (check_stmt): Use walk_stmt_load_store_ops.
3781         * ipa-reference.c (mark_load): Adjust signature.
3782         (mark_store): Likewise.
3783         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
3784
3785 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
3786
3787         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
3788         (plugin_info): New.
3789         * opts.c (common_handle_option): Don't call print_version.
3790         * plugin.c (plugin_name_args): Add version.
3791         (register_plugin_info): New.
3792         (register_callback): Handle PLUGIN_INFO.
3793         (try_init_one_plugin): New.
3794         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
3795         if failed to init.
3796         (finalize_one_plugin): New.
3797         (finalize_plugins): New.
3798         (print_one_plugin): New.
3799         (print_plugins_versions): New.
3800         * plugin.h (print_plugins_versions): New.
3801         (finalize_plugins): New.
3802         * toplev.c (compile_file): Don't call initialize_plugins.
3803         (print_version): Call print_plugins_versions.
3804         (toplev_main): Call initialize_plugins. Print version if needed.
3805         Call finalize_plugins.
3806
3807 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
3808
3809         * common.opt (fversion): New.
3810         * gcc.c (print_version): New.
3811         (process_command): Don't print the version. Just set print_version.
3812         (main): Print version. Call subprocesses if print_version and
3813         verbose_flag are set.
3814         * opts.c (common_handle_option): Handle OPT_fversion.
3815
3816 2009-04-16  Richard Guenther  <rguenther@suse.de>
3817             Ira Rosen  <irar@il.ibm.com>
3818
3819         PR tree-optimization/39698
3820         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
3821         type of the reduction variable.  Only generate the def if
3822         it is needed.
3823
3824         * omp-low.c (expand_omp_for_generic): When converting to a pointer
3825         make sure to first convert to an integer of the same precision.
3826         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
3827         the type of the evolution correctly in computing the new
3828         induction variable base.
3829
3830 2009-04-16  Richard Guenther  <rguenther@suse.de>
3831
3832         PR middle-end/39625
3833         * tree-cfg.c (make_blocks): Split statements with to-be
3834         abnormal SSA names on the lhs.
3835
3836 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
3837
3838         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
3839         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
3840         * c-typeck.c (really_start_incremental_init): Likewise.
3841         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
3842         (TARGET_INITIALIZER): Remove it.
3843         * target.h (struct target): Remove vector_opaque_p.
3844         * tree.c (build_opaque_vector_type): New.
3845         * tree.h (TYPE_VECTOR_OPAQUE): New.
3846         (build_opaque_vector_type): Declare.
3847         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
3848         * config/rs6000/rs6000.c (build_opaque_vector_type,
3849         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
3850         (rs6000_init_builtins): Use build_opaque_vector_type for
3851         opaque_V4SI_type_node.
3852
3853 2009-04-15  Catherine Moore  <clm@codesourcery.com>
3854
3855         * debug.h (set_name):  Declare.
3856         * dwarf2out.c (dwarf2out_set_name): Declare.
3857         (dwarf2_debug_hooks): Add set_name.
3858         (find_AT_string): New.
3859         (add_AT_string): Call find_AT_string.
3860         (dwarf2out_set_name): New.
3861         * cp/decl.c (grokdeclarator): Call set_name.
3862         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
3863         * debug.c (do_nothing_debug_hooks):  Likewise.
3864         * dbxout.c (dbx_debug_hooks): Likewise.
3865         * sdbout.c (sdb_debug_hooks): Likewise.
3866
3867 2009-04-15  Michael Eager  <eager@eagercon.com>
3868
3869         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
3870         reg for single-precision FPU.
3871         * config/rs6000/rs6000.md (movsi_internal1): Only for
3872         !TARGET_SINGLE_FPU.
3873         (movsi_internal1_single): New. Add pattern to move SI values to/from
3874         single-precision FP regs.
3875
3876 2009-04-15  Richard Guenther  <rguenther@suse.de>
3877
3878         * omp-low.c (lower_rec_input_clauses): Build correct address
3879         expressions.
3880         (expand_omp_for_generic): Fix multiplication type.
3881         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
3882         (generate_memset_zero): Fix types.
3883         * tree-profile.c (prepare_instrumented_value): Correctly
3884         widen a pointer.
3885
3886 2009-04-15  Ian Lance Taylor  <iant@google.com>
3887
3888         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
3889         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
3890         for -Wall and for -Wc++-compat.
3891         (c_common_post_options): For C++, set warn_enum_compare if not
3892         already set.
3893         * c-tree.h (struct c_expr): Add field original_type.
3894         (build_external_ref): Update declaration.
3895         * c-parser.c (c_parser_braced_init): Set original_type.
3896         (c_parser_initelt): Likewise.
3897         (c_parser_expr_no_commas): Likewise.
3898         (c_parser_conditional_expression): Likewise.
3899         (c_parser_cast_expression): Likewise.
3900         (c_parser_unary_expression): Likewise.  Pull setting of
3901         original_code to top of function.
3902         (c_parser_sizeof_expression): Set original_type.
3903         (c_parser_alignof_expression): Likewise.
3904         (c_parser_postfix_expression): Likewise.  Pull setting of
3905         original_code to top of function.
3906         (c_parser_postfix_expression_after_paren_type): Set original_type.
3907         (c_parser_postfix_expression_after_primary): Likewise.
3908         (c_parser_expression): Likewise.
3909         * c-typeck.c (build_external_ref): Add type parameter.  Change all
3910         callers.
3911         (c_expr_sizeof_expr): Set original_type field.
3912         (parser_build_unary_op): Likewise.
3913         (parser_build_binary_op): Likewise.  Optionally warn about
3914         comparisons of enums of different types.
3915         (digest_init): Set original_type field.
3916         (really_start_incremental_init): Likewise.
3917         (push_init_level, pop_init_level): Likewise.
3918         * doc/invoke.texi (Warning Options): -Wenum-compare now
3919         supported in C.
3920
3921 2009-04-15  Richard Guenther  <rguenther@suse.de>
3922
3923         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
3924         out a necessary conversion.
3925         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
3926         names we didn't value number.
3927         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
3928
3929 2009-04-15  Richard Guenther  <rguenther@suse.de>
3930
3931         PR tree-optimization/39764
3932         * tree-ssa-ccp.c (get_value): Canonicalize value with
3933         canonicalize_float_value.
3934
3935 2009-04-15  Jan Hubicka  <jh@suse.cz>
3936
3937         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
3938         Wrong version of patch.
3939
3940 2009-04-15  Jan Hubicka  <jh@suse.cz>
3941
3942         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
3943
3944 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
3945
3946         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
3947         our distinct integral and vector types.
3948
3949 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
3950
3951         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
3952         * init.c (build_vtbl_address): Remove call to assemble_external.
3953
3954 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
3955
3956         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
3957         output for other floating point modes.
3958
3959 2009-04-14  Diego Novillo  <dnovillo@google.com>
3960
3961         * diagnostic.c (diagnostic_report_diagnostic): Do not
3962         warn about loaded plugins for DK_ERROR and DK_WARNING.
3963         * c-decl.c (declspecs_add_type): Move call to
3964         invoke_plugin_callbacks ...
3965         * c-parser.c (c_parser_declspecs): ... here.
3966         * plugin.c (dump_active_plugins): Tidy output.
3967
3968 2009-04-14  Diego Novillo  <dnovillo@google.com>
3969             Le-Chun Wu  <lcwu@google.com>
3970
3971         * configure.ac: Add --enable-plugin support.
3972         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
3973         * Makefile.in (PLUGIN_H): Define.
3974         Export ENABLE_PLUGIN and GMPINC to site.exp.
3975         Add PLUGINLIBS to link command.
3976         Add/modify dependencies for plugin.o and files including plugin.h.
3977         (plugin.o): New.
3978         * config.in: Regenerate.
3979
3980         * opts.c (common_handle_option): Handle OPT_fplugin_ and
3981         OPT_fplugin_arg_.
3982
3983 2009-04-14  Le-Chun Wu  <lcwu@google.com>
3984
3985         * tree-pass.h (register_one_dump_file): Add a prototype for
3986         register_one_dump_file.
3987         * toplev.c (compile_file): Call initialize_plugins.
3988         (do_compile): Call invoke_plugin_callbacks.
3989         (toplev_main): Call invoke_plugin_callbacks.
3990         * common.opt: Add -fplugin= and -fplugin-arg-.
3991         * gcc-plugin.h: New public header file for plugins to include.
3992         * plugin.c: New source file.
3993         * plugin.h: New internal header file.
3994         * passes.c (register_one_dump_file): Make it external.
3995
3996         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
3997
3998 2009-04-14  Diego Novillo  <dnovillo@google.com>
3999
4000         * doc/plugins.texi: New.
4001         * doc/gccint.texi: Add reference to Plugins chapter.
4002         * doc/invoke.texi: Document -fplugin and -fplugin-arg
4003         * diagnostic.c (diagnostic_report_diagnostic): Warn about
4004         loaded plugins, if any.
4005         * timevar.def (TV_PLUGIN_INIT): Define.
4006         (TV_PLUGIN_RUN): Define.
4007         * plugin.c: Include timevar.h
4008         (plugins_active_p): New.
4009         (dump_active_plugins): New.
4010         (debug_active_plugins): New.
4011
4012 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
4013
4014         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
4015         library paths.
4016         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
4017
4018 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
4019
4020         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
4021         the same as a minus without a shift.
4022
4023 2009-04-14  Nick Clifton  <nickc@redhat.com>
4024
4025         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
4026         comparisons with small integers will always produce a short
4027         branch.
4028
4029 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
4030
4031         Merge:
4032         2008-12-19  Diego Novillo  <dnovillo@google.com>
4033
4034         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
4035
4036 2009-04-14  Richard Guenther  <rguenther@suse.de>
4037
4038         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
4039         verification.
4040         (verify_gimple_assign_binary): Likewise.  Handle shifts and
4041         rotates correctly.
4042         (verify_gimple_phi): Print the mismatched argument position.
4043         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
4044         Fix types.
4045         (vect_update_init_of_dr): Likewise.
4046         * matrix-reorg.c (transform_access_sites): Do what the
4047         comment suggests.
4048         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
4049
4050 2009-04-13  Michael Eager  <eager@eagercon.com>
4051
4052         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
4053         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
4054         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
4055         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
4056         remove duplicate config
4057
4058 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4059
4060         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
4061         file_name:line_number type locator of the call site.
4062
4063 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
4064
4065         * genautomata.c: Put blank after comma.
4066         (automaton_decls): New.
4067         (struct unit_usage): Add comments to member next.
4068         (store_alt_unit_usage): Keep the list ordered.
4069         (unit_present_on_list_p, equal_alternatives_p): New.
4070         (check_regexp_units_distribution): Check units distribution
4071         correctness correctly.
4072         (main): Don't write automata if error is found.  Return correct
4073         exit code.
4074
4075         * config/m68k/cf.md (cfv4_ds): Remove.
4076         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
4077         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
4078
4079         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
4080         power4-load-ext, power4-store, power4-store-update,
4081         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
4082         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
4083         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
4084         power4-sqrt, power4-isync): Modify reservation to make correct
4085         unit distribution to automata.
4086
4087         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
4088         power5-store-update, power5-two, power5-three, power5-lmul,
4089         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
4090
4091 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
4092
4093         * except.c (pass_set_nothrow_function_flags): Set name and add
4094         TODO_dump_func.
4095         (set_nothrow_function_flags): Mention in the dump file when
4096         changing a function to nothrow.
4097
4098 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
4099
4100         PR/39066
4101         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
4102         instead of unsigned long.
4103
4104 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4105
4106         * config/arm/arm.c (return_used_this_function): Remove.
4107         (arm_output_function_prologue): Remove use of
4108         return_used_this_function.
4109         (output_return_instruction): Replace use of
4110         return_used_this_function
4111         by cfun->machine->return_used_this_function.
4112         (arm_output_epilogue): Likewise.
4113         (arm_output_function_epilogue): Likewise.
4114         (thumb_unexpanded_epilogue): Likewise.
4115         * config/arm/arm.h (struct machine_function):
4116         New member return_used_this_function.
4117
4118 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
4119
4120         * doc/install.texi: Correct description of default directory for
4121         --with-gxx-include-dir.
4122
4123 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
4124
4125         * fold-const.c (build_range_check): Properly deal with enumeral and
4126         boolean base types.
4127
4128 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
4129
4130         * doc/invoke.texi (max_gcse_passes): Remove documentation.
4131         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
4132         * params.h (MAX_GCSE_PASSES): Remove.
4133         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
4134         in sequence.  Remove ability to run multiple passes.
4135         (bypass_jumps): Report run as third CPROP pass.
4136
4137 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
4138
4139         PR middle-end/39651
4140         * except.c (can_throw_external): Look at each insn in a SEQUENCE
4141         when deciding whether the whole SEQUENCE can throw.
4142
4143 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
4144
4145         PR target/39740
4146         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
4147         offseted label references.
4148
4149 2009-04-11  Jan Hubicka  <jh@suse.cz>
4150
4151         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
4152
4153 2009-04-11  Richard Guenther  <rguenther@suse.de>
4154
4155         PR middle-end/39732
4156         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
4157         return variables as TREE_ADDRESSABLE.
4158
4159 2009-04-11  Richard Guenther  <rguenther@suse.de>
4160
4161         PR tree-optimization/39713
4162         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
4163         reference trees have SSA_NAME operands.
4164
4165 2009-04-11  Richard Guenther  <rguenther@suse.de>
4166
4167         PR c/39712
4168         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
4169         address expressions.
4170
4171 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
4172
4173         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
4174         match changes in Cygwin 1.7
4175         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
4176         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
4177
4178 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
4179
4180         PR tree-optimization/39701
4181         * doc/invoke.texi (Optimization Options): Document change in
4182         meaning and initialization of -fdelete-null-pointer-checks.
4183
4184 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
4185
4186         PR middle-end/39701
4187         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
4188
4189         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
4190         here.
4191
4192         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
4193
4194 2009-04-10  Chao-ying Fu  <fu@mips.com>
4195
4196         * doc/tm.texi (Instruction Output): Document
4197         TARGET_ASM_FINAL_POSTSCAN_INSN.
4198         * target.h (final_postscan_insn): New field in asm_out.
4199         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
4200         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
4201         * final.c (final_scan_insn): Call
4202         targetm.asm_out.final_postscan_insn after outputting
4203         an asm macro and a normal instruction.
4204
4205         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
4206         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
4207         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
4208         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
4209         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
4210
4211 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
4212
4213         PR middle-end/39701
4214         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
4215         variables as non-NULL even with -fdelete-null-pointer-checks.
4216
4217 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
4218
4219         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
4220
4221 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4222
4223         PR target/39678
4224         * config/i386/i386.c (classify_argument): Handle SCmode with
4225         (bit_offset % 64) != 0.
4226
4227 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
4228
4229         * doc/invoke.texi (Optimize Options): Add cross-reference to
4230         -Q --help=optimizers examples.
4231
4232 2009-04-10  Ben Elliston  <bje@au.ibm.com>
4233
4234         PR target/36800
4235         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
4236         regalign for the reg == fpr and TDmode case.
4237
4238 2009-04-09  David Ayers  <ayers@fsfe.org>
4239
4240         PR objc/29200
4241         * objc/objc-act.c (warn_with_method): Remove helper function.
4242         (check_duplicates): Call warning and inform directly.
4243         (really_start_method): Likewise.
4244
4245 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
4246
4247         * expmed.c (expand_divmod): Always use a comparison for a division
4248         by a large unsigned integer.
4249
4250         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
4251         for things others than variables or functions as nonzero.
4252
4253 2009-04-09  Nick Clifton  <nickc@redhat.com>
4254
4255         * unwind-compat.c: Change copyright header to refer to version
4256         3 of the GNU General Public License with version 3.1 of the
4257         GCC Runtime Library Exception and to point readers at the
4258         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
4259         * config/alpha/crtfastmath.c: Likewise.
4260         * config/alpha/linux-unwind.h: Likewise.
4261         * config/alpha/qrnnd.asm: Likewise.
4262         * config/alpha/vms-crt0-64.c: Likewise.
4263         * config/alpha/vms-crt0.c: Likewise.
4264         * config/alpha/vms-dwarf2.asm: Likewise.
4265         * config/alpha/vms-dwarf2eh.asm: Likewise.
4266         * config/alpha/vms-psxcrt0-64.c: Likewise.
4267         * config/alpha/vms-psxcrt0.c: Likewise.
4268         * config/alpha/vms_tramp.asm: Likewise.
4269         * config/arc/initfini.c: Likewise.
4270         * config/arc/lib1funcs.asm: Likewise.
4271         * config/arm/bpabi-v6m.S: Likewise.
4272         * config/arm/bpabi.S: Likewise.
4273         * config/arm/bpabi.c: Likewise.
4274         * config/arm/crti.asm: Likewise.
4275         * config/arm/crtn.asm: Likewise.
4276         * config/arm/ieee754-df.S: Likewise.
4277         * config/arm/ieee754-sf.S: Likewise.
4278         * config/arm/lib1funcs.asm: Likewise.
4279         * config/arm/libunwind.S: Likewise.
4280         * config/arm/linux-atomic.c: Likewise.
4281         * config/arm/mmintrin.h: Likewise.
4282         * config/arm/pr-support.c: Likewise.
4283         * config/arm/unaligned-funcs.c: Likewise.
4284         * config/arm/unwind-arm.c: Likewise.
4285         * config/arm/unwind-arm.h: Likewise.
4286         * config/avr/libgcc.S: Likewise.
4287         * config/bfin/crti.s: Likewise.
4288         * config/bfin/crtlibid.s: Likewise.
4289         * config/bfin/crtn.s: Likewise.
4290         * config/bfin/lib1funcs.asm: Likewise.
4291         * config/bfin/linux-unwind.h: Likewise.
4292         * config/cris/arit.c: Likewise.
4293         * config/cris/cris_abi_symbol.c: Likewise.
4294         * config/darwin-64.c: Likewise.
4295         * config/darwin-crt2.c: Likewise.
4296         * config/darwin-crt3.c: Likewise.
4297         * config/darwin.h: Likewise.
4298         * config/dbxelf.h: Likewise.
4299         * config/dfp-bit.c: Likewise.
4300         * config/dfp-bit.h: Likewise.
4301         * config/elfos.h: Likewise.
4302         * config/fixed-bit.c: Likewise.
4303         * config/fixed-bit.h: Likewise.
4304         * config/fp-bit.c: Likewise.
4305         * config/fp-bit.h: Likewise.
4306         * config/fr30/crti.asm: Likewise.
4307         * config/fr30/crtn.asm: Likewise.
4308         * config/fr30/lib1funcs.asm: Likewise.
4309         * config/freebsd-spec.h: Likewise.
4310         * config/frv/cmovd.c: Likewise.
4311         * config/frv/cmovh.c: Likewise.
4312         * config/frv/cmovw.c: Likewise.
4313         * config/frv/frvbegin.c: Likewise.
4314         * config/frv/frvend.c: Likewise.
4315         * config/frv/lib1funcs.asm: Likewise.
4316         * config/glibc-stdint.h: Likewise.
4317         * config/h8300/clzhi2.c: Likewise.
4318         * config/h8300/crti.asm: Likewise.
4319         * config/h8300/crtn.asm: Likewise.
4320         * config/h8300/ctzhi2.c: Likewise.
4321         * config/h8300/fixunssfsi.c: Likewise.
4322         * config/h8300/lib1funcs.asm: Likewise.
4323         * config/h8300/parityhi2.c: Likewise.
4324         * config/h8300/popcounthi2.c: Likewise.
4325         * config/i386/ammintrin.h: Likewise.
4326         * config/i386/att.h: Likewise.
4327         * config/i386/avxintrin.h: Likewise.
4328         * config/i386/biarch64.h: Likewise.
4329         * config/i386/bmmintrin.h: Likewise.
4330         * config/i386/cpuid.h: Likewise.
4331         * config/i386/cross-stdarg.h: Likewise.
4332         * config/i386/crtfastmath.c: Likewise.
4333         * config/i386/crtprec.c: Likewise.
4334         * config/i386/cygming-crtbegin.c: Likewise.
4335         * config/i386/cygming-crtend.c: Likewise.
4336         * config/i386/cygwin.asm: Likewise.
4337         * config/i386/emmintrin.h: Likewise.
4338         * config/i386/gmm_malloc.h: Likewise.
4339         * config/i386/gthr-win32.c: Likewise.
4340         * config/i386/i386.h: Likewise.
4341         * config/i386/immintrin.h: Likewise.
4342         * config/i386/linux-unwind.h: Likewise.
4343         * config/i386/linux64.h: Likewise.
4344         * config/i386/mm3dnow.h: Likewise.
4345         * config/i386/mmintrin-common.h: Likewise.
4346         * config/i386/mmintrin.h: Likewise.
4347         * config/i386/nmmintrin.h: Likewise.
4348         * config/i386/pmm_malloc.h: Likewise.
4349         * config/i386/pmmintrin.h: Likewise.
4350         * config/i386/smmintrin.h: Likewise.
4351         * config/i386/sol2-c1.asm: Likewise.
4352         * config/i386/sol2-ci.asm: Likewise.
4353         * config/i386/sol2-cn.asm: Likewise.
4354         * config/i386/sol2-gc1.asm: Likewise.
4355         * config/i386/tmmintrin.h: Likewise.
4356         * config/i386/unix.h: Likewise.
4357         * config/i386/w32-unwind.h: Likewise.
4358         * config/i386/wmmintrin.h: Likewise.
4359         * config/i386/x86-64.h: Likewise.
4360         * config/i386/x86intrin.h: Likewise.
4361         * config/i386/xmmintrin.h: Likewise.
4362         * config/ia64/crtbegin.asm: Likewise.
4363         * config/ia64/crtend.asm: Likewise.
4364         * config/ia64/crtfastmath.c: Likewise.
4365         * config/ia64/crti.asm: Likewise.
4366         * config/ia64/crtn.asm: Likewise.
4367         * config/ia64/fde-glibc.c: Likewise.
4368         * config/ia64/lib1funcs.asm: Likewise.
4369         * config/ia64/linux-unwind.h: Likewise.
4370         * config/ia64/quadlib.c: Likewise.
4371         * config/ia64/unwind-ia64.c: Likewise.
4372         * config/linux.h: Likewise.
4373         * config/m32c/m32c-lib1.S: Likewise.
4374         * config/m32c/m32c-lib2-trapv.c: Likewise.
4375         * config/m32c/m32c-lib2.c: Likewise.
4376         * config/m32r/initfini.c: Likewise.
4377         * config/m68hc11/larith.asm: Likewise.
4378         * config/m68hc11/m68hc11-crt0.S: Likewise.
4379         * config/m68k/cf.md: Likewise.
4380         * config/m68k/crti.s: Likewise.
4381         * config/m68k/crtn.s: Likewise.
4382         * config/m68k/lb1sf68.asm: Likewise.
4383         * config/m68k/linux-unwind.h: Likewise.
4384         * config/mcore/crti.asm: Likewise.
4385         * config/mcore/crtn.asm: Likewise.
4386         * config/mcore/lib1.asm: Likewise.
4387         * config/mips/linux-unwind.h: Likewise.
4388         * config/mips/loongson.h: Likewise.
4389         * config/mips/mips16.S: Likewise.
4390         * config/mmix/crti.asm: Likewise.
4391         * config/mmix/crtn.asm: Likewise.
4392         * config/pa/fptr.c: Likewise.
4393         * config/pa/hpux-unwind.h: Likewise.
4394         * config/pa/lib2funcs.asm: Likewise.
4395         * config/pa/linux-atomic.c: Likewise.
4396         * config/pa/linux-unwind.h: Likewise.
4397         * config/pa/milli64.S: Likewise.
4398         * config/pa/quadlib.c: Likewise.
4399         * config/pa/stublib.c: Likewise.
4400         * config/picochip/libgccExtras/adddi3.asm: Likewise.
4401         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
4402         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
4403         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
4404         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
4405         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
4406         * config/picochip/libgccExtras/divmod15.asm: Likewise.
4407         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
4408         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
4409         * config/picochip/libgccExtras/longjmp.asm: Likewise.
4410         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
4411         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
4412         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
4413         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
4414         * config/picochip/libgccExtras/setjmp.asm: Likewise.
4415         * config/picochip/libgccExtras/subdi3.asm: Likewise.
4416         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
4417         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
4418         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
4419         * config/rs6000/750cl.h: Likewise.
4420         * config/rs6000/altivec.h: Likewise.
4421         * config/rs6000/biarch64.h: Likewise.
4422         * config/rs6000/crtresfpr.asm: Likewise.
4423         * config/rs6000/crtresgpr.asm: Likewise.
4424         * config/rs6000/crtresxfpr.asm: Likewise.
4425         * config/rs6000/crtresxgpr.asm: Likewise.
4426         * config/rs6000/crtsavfpr.asm: Likewise.
4427         * config/rs6000/crtsavgpr.asm: Likewise.
4428         * config/rs6000/darwin-asm.h: Likewise.
4429         * config/rs6000/darwin-fallback.c: Likewise.
4430         * config/rs6000/darwin-fpsave.asm: Likewise.
4431         * config/rs6000/darwin-ldouble.c: Likewise.
4432         * config/rs6000/darwin-tramp.asm: Likewise.
4433         * config/rs6000/darwin-unwind.h: Likewise.
4434         * config/rs6000/darwin-vecsave.asm: Likewise.
4435         * config/rs6000/darwin-world.asm: Likewise.
4436         * config/rs6000/e500crtres32gpr.asm: Likewise.
4437         * config/rs6000/e500crtres64gpr.asm: Likewise.
4438         * config/rs6000/e500crtres64gprctr.asm: Likewise.
4439         * config/rs6000/e500crtrest32gpr.asm: Likewise.
4440         * config/rs6000/e500crtrest64gpr.asm: Likewise.
4441         * config/rs6000/e500crtresx32gpr.asm: Likewise.
4442         * config/rs6000/e500crtresx64gpr.asm: Likewise.
4443         * config/rs6000/e500crtsav32gpr.asm: Likewise.
4444         * config/rs6000/e500crtsav64gpr.asm: Likewise.
4445         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
4446         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
4447         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
4448         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
4449         * config/rs6000/eabi-ci.asm: Likewise.
4450         * config/rs6000/eabi-cn.asm: Likewise.
4451         * config/rs6000/eabi.asm: Likewise.
4452         * config/rs6000/linux-unwind.h: Likewise.
4453         * config/rs6000/linux64.h: Likewise.
4454         * config/rs6000/paired.h: Likewise.
4455         * config/rs6000/paired.md: Likewise.
4456         * config/rs6000/ppc64-fp.c: Likewise.
4457         * config/rs6000/ppu_intrinsics.h: Likewise.
4458         * config/rs6000/rs6000.h: Likewise.
4459         * config/rs6000/si2vmx.h: Likewise.
4460         * config/rs6000/sol-ci.asm: Likewise.
4461         * config/rs6000/sol-cn.asm: Likewise.
4462         * config/rs6000/spe.h: Likewise.
4463         * config/rs6000/spu2vmx.h: Likewise.
4464         * config/rs6000/sysv4.h: Likewise.
4465         * config/rs6000/tramp.asm: Likewise.
4466         * config/rs6000/vec_types.h: Likewise.
4467         * config/s390/linux-unwind.h: Likewise.
4468         * config/s390/tpf-unwind.h: Likewise.
4469         * config/score/crti.asm: Likewise.
4470         * config/score/crtn.asm: Likewise.
4471         * config/sh/crt1.asm: Likewise.
4472         * config/sh/crti.asm: Likewise.
4473         * config/sh/crtn.asm: Likewise.
4474         * config/sh/divtab-sh4-300.c: Likewise.
4475         * config/sh/divtab-sh4.c: Likewise.
4476         * config/sh/divtab.c: Likewise.
4477         * config/sh/lib1funcs-4-300.asm: Likewise.
4478         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
4479         * config/sh/lib1funcs.asm: Likewise.
4480         * config/sh/lib1funcs.h: Likewise.
4481         * config/sh/linux-atomic.asm: Likewise.
4482         * config/sh/linux-unwind.h: Likewise.
4483         * config/sh/shmedia.h: Likewise.
4484         * config/sh/sshmedia.h: Likewise.
4485         * config/sh/ushmedia.h: Likewise.
4486         * config/sparc/crtfastmath.c: Likewise.
4487         * config/sparc/linux-unwind.h: Likewise.
4488         * config/sparc/sol2-c1.asm: Likewise.
4489         * config/sparc/sol2-ci.asm: Likewise.
4490         * config/sparc/sol2-cn.asm: Likewise.
4491         * config/spu/divmodti4.c: Likewise.
4492         * config/spu/divv2df3.c: Likewise.
4493         * config/spu/float_disf.c: Likewise.
4494         * config/spu/float_unsdidf.c: Likewise.
4495         * config/spu/float_unsdisf.c: Likewise.
4496         * config/spu/float_unssidf.c: Likewise.
4497         * config/spu/mfc_multi_tag_release.c: Likewise.
4498         * config/spu/mfc_multi_tag_reserve.c: Likewise.
4499         * config/spu/mfc_tag_release.c: Likewise.
4500         * config/spu/mfc_tag_reserve.c: Likewise.
4501         * config/spu/mfc_tag_table.c: Likewise.
4502         * config/spu/multi3.c: Likewise.
4503         * config/spu/spu_internals.h: Likewise.
4504         * config/spu/spu_intrinsics.h: Likewise.
4505         * config/spu/spu_mfcio.h: Likewise.
4506         * config/spu/vec_types.h: Likewise.
4507         * config/spu/vmx2spu.h: Likewise.
4508         * config/stormy16/stormy16-lib2.c: Likewise.
4509         * config/svr4.h: Likewise.
4510         * config/sync.c: Likewise.
4511         * config/v850/lib1funcs.asm: Likewise.
4512         * config/vxlib-tls.c: Likewise.
4513         * config/vxlib.c: Likewise.
4514         * config/vxworks-dummy.h: Likewise.
4515         * config/xtensa/crti.asm: Likewise.
4516         * config/xtensa/crtn.asm: Likewise.
4517         * config/xtensa/ieee754-df.S: Likewise.
4518         * config/xtensa/ieee754-sf.S: Likewise.
4519         * config/xtensa/lib1funcs.asm: Likewise.
4520         * config/xtensa/lib2funcs.S: Likewise.
4521         * config/xtensa/linux-unwind.h: Likewise.
4522         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
4523         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
4524         * coretypes.h: Likewise.
4525         * crtstuff.c: Likewise.
4526         * defaults.h: Likewise.
4527         * dwarf2.h: Likewise.
4528         * emutls.c: Likewise.
4529         * gbl-ctors.h: Likewise.
4530         * gcov-io.h: Likewise.
4531         * ginclude/float.h: Likewise.
4532         * ginclude/iso646.h: Likewise.
4533         * ginclude/stdarg.h: Likewise.
4534         * ginclude/stdbool.h: Likewise.
4535         * ginclude/stddef.h: Likewise.
4536         * ginclude/stdfix.h: Likewise.
4537         * ginclude/stdint-gcc.h: Likewise.
4538         * ginclude/tgmath.h: Likewise.
4539         * gthr-aix.h: Likewise.
4540         * gthr-dce.h: Likewise.
4541         * gthr-gnat.c: Likewise.
4542         * gthr-gnat.h: Likewise.
4543         * gthr-lynx.h: Likewise.
4544         * gthr-mipssde.h: Likewise.
4545         * gthr-nks.h: Likewise.
4546         * gthr-posix.c: Likewise.
4547         * gthr-posix.h: Likewise.
4548         * gthr-posix95.h: Likewise.
4549         * gthr-rtems.h: Likewise.
4550         * gthr-single.h: Likewise.
4551         * gthr-solaris.h: Likewise.
4552         * gthr-tpf.h: Likewise.
4553         * gthr-vxworks.h: Likewise.
4554         * gthr-win32.h: Likewise.
4555         * gthr.h: Likewise.
4556         * libgcc2.c: Likewise.
4557         * libgcc2.h: Likewise.
4558         * libgcov.c: Likewise.
4559         * tsystem.h: Likewise.
4560         * typeclass.h: Likewise.
4561         * unwind-c.c: Likewise.
4562         * unwind-compat.h: Likewise.
4563         * unwind-dw2-fde-compat.c: Likewise.
4564         * unwind-dw2-fde-darwin.c: Likewise.
4565         * unwind-dw2-fde-glibc.c: Likewise.
4566         * unwind-dw2-fde.c: Likewise.
4567         * unwind-dw2-fde.h: Likewise.
4568         * unwind-dw2.c: Likewise.
4569         * unwind-dw2.h: Likewise.
4570         * unwind-generic.h: Likewise.
4571         * unwind-pe.h: Likewise.
4572         * unwind-sjlj.c: Likewise.
4573         * unwind.inc: Likewise.
4574         * config/arm/neon-gen.ml: Change generated copyright header to
4575         refer to version 3 of the GNU General Public License with
4576         version 3.1 of the GCC Runtime Library Exception and to point
4577         readers at the COPYING3 and COPYING3.RUNTIME files and the
4578         FSF's license web page.
4579         * config/arm/arm_neon.h: Regenerate.
4580
4581 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
4582
4583         * config/cris/cris.md: Change copyright header to refer to version
4584         3 of the GNU General Public License.
4585         * doc/install.texi2html: Change copyright header to refer to version
4586         3 of the GNU General Public License and to point readers at the
4587         COPYING3 file and the FSF's license web page.
4588         * config/vax/linux.h: Likewise.
4589
4590 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
4591
4592         * config/i386/i386.md (cmpcc): New.
4593         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
4594         (sync_compare_and_swap_cc*): Delete.
4595
4596         * config/s390/s390.c (s390_compare_emitted): Remove.
4597         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
4598         s390_compare_emitted used to be handled.  Assert that modes match.
4599         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
4600         refer to sync_compare_and_swap_ccsi.
4601         * config/s390/s390.h (s390_compare_emitted): Remove.
4602         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
4603         instead of s390_compare_emitted.
4604         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
4605         instead of s390_compare_emitted.
4606         * config/s390/s390.md (cmpcc): New.
4607         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
4608         CC_REGNUM, do not pretend it's set.
4609         (sync_compare_and_swap_cc*): Delete.
4610         * config/s390/predicates.md (cc_reg_operand): New.
4611
4612         * expr.c (sync_compare_and_swap_cc): Delete.
4613         * optabs.h (sync_compare_and_swap_cc): Delete.
4614         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
4615         is being used with can_compare_p.
4616         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
4617         (find_cc_set): New.
4618         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
4619         look for a MODE_CC set instead.  Use emit_store_flag.
4620         (expand_compare_and_swap_loop): Likewise, with some additional
4621         complication to avoid a force_reg when useless.  Use
4622         emit_cmp_and_jump_insns.
4623         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
4624         * doc/md.texi (sync_compare_and_swap_cc): Merge with
4625         sync_compare_and_swap documentation.
4626
4627 2009-04-09  Jan Hubicka  <jh@suse.cz>
4628
4629         * except.c (find_prev_try): Break out from ....
4630         (duplicate_eh_regions): ... here; properly update prev_try pointers
4631         when duplication part of tree.
4632         (dump_eh_tree): Improve dumping.
4633         (verify_eh_region): New.
4634         (verify_eh_tree): Use it.
4635
4636 2009-04-06  Richard Guenther  <rguenther@suse.de>
4637
4638         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
4639         &ARRAY addresses by adjusting their types and prepending
4640         a conversion.
4641         * tree-cfg.c (verify_gimple_assign_single): Verify that
4642         addresses are correct.
4643
4644 2009-04-09  Richard Guenther  <rguenther@suse.de>
4645
4646         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
4647         indices into an array reference if possible.
4648         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
4649         Fold POINTER_PLUS_EXPR statements with invariant address.
4650
4651 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
4652
4653         PR target/39634
4654         * config.gcc (powerpc64-*-linux*): Always build biarch.
4655
4656 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
4657
4658         PR c/39613
4659         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
4660         it and pedwarn if this results in an INTEGER_CST.
4661
4662 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4663
4664         * doc/install.texi: Update minimum GMP version.  Remove obsolete
4665         text in MPFR section.
4666
4667 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
4668
4669         * dwarf2out.c (class_scope_p): New static inline.
4670         (class_or_namespace_scope_p): Use it.
4671         (gen_variable_die): Use DW_TAG_member tag for static data member
4672         declarations instead of DW_TAG_variable.
4673
4674         PR middle-end/39573
4675         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
4676         variables.
4677
4678 2009-04-08  Richard Guenther  <rguenther@suse.de>
4679
4680         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
4681         valueize random data.
4682
4683 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
4684
4685         * config.gcc (aix tm_file):  Add aix-stdint.h.
4686         (aix tm clause use_gcc_stdint):  Set to wrap.
4687         * config/rs6000/aix-stdint.h:  New file.
4688
4689 2009-04-08  Richard Guenther  <rguenther@suse.de>
4690
4691         PR middle-end/36291
4692         * tree-dfa.c (add_referenced_var): Do not recurse into
4693         global initializers.
4694         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
4695         exposed variables.
4696         (fold_const_aggregate_ref): Likewise.
4697
4698 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
4699
4700         * recog.c (ordered_comparison_operator): New.
4701         * gensupport.c (std_preds): Add it.
4702         * doc/md.texi (Machine-Independent Predicates): Document it.
4703
4704 2009-04-08  Jan Hubicka  <jh@suse.cz>
4705
4706         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
4707         * function.h (rtl_eh): Remove exception_handler_label_map.
4708         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
4709         remove_exception_handler_label, for_each_eh_label_1): Remove.
4710         (rtl_remove_unreachable_regions): Remove.
4711         (convert_from_eh_region_ranges): Do not remove unreachable regions.
4712         (find_exception_handler_labels): Don't build the hashtable.
4713         (maybe_remove_eh_handler): Remove.
4714         (for_each_eh_label): Rewrite to walk the tree.
4715         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
4716         * except.h (maybe_remove_eh_handler): Remove.
4717         * passes.c (init_optimization_passes): Schedule second EH cleanup
4718         before out-of-ssa.
4719         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
4720         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
4721
4722 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
4723
4724         * genoutput.c (validate_optab_operands): New.
4725         (gen_insn, gen_expand): Call it.
4726
4727         * genflags.c (gen_insn): Detect misused iterators.
4728         (main): Pass line_no to gen_insn, exit with status 1 on error.
4729
4730         * genextract.c (line_no): Make global.
4731         (VEC_safe_set_locstr): Change assertion to error message.
4732         (main): Exit with status 1 on error.
4733
4734 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
4735
4736         PR c/39614
4737         PR c/39673
4738         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
4739         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
4740         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
4741         * c-convert.c (convert): Do not call fold on results of conversion
4742         functions when the result is a C_MAYBE_CONST_EXPR.
4743         * c-parser.c (c_parser_postfix_expression): Do not fold condition
4744         of __builtin_choose_expr.
4745         * c-typeck.c (remove_c_maybe_const_expr): New.
4746         (build_unary_op, build_conditional_expr, build_compound_expr,
4747         build_binary_op, c_objc_common_truthvalue_conversion): Call
4748         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
4749         integer operands.
4750
4751 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
4752
4753         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
4754         CODE to produce a new one. Add a prototype to use fold_convert_const
4755
4756 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
4757
4758         PR bootstrap/39660
4759         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
4760         mix declarations and code.
4761
4762 2009-04-08  Ben Elliston  <bje@au.ibm.com>
4763
4764         * gcc.c: Replace `CC' with `GCC' throughout.
4765
4766 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
4767
4768         * doc/invoke.texi: Document Atom support.
4769
4770 2009-04-07  Jason Merrill  <jason@redhat.com>
4771
4772         PR c++/25185
4773         * c-common.h, c-common.c: Add flag_pretty_templates.
4774         * c-opts.c (c_common_handle_option): Set it.
4775         * c.opt: Add -fno-pretty-templates.
4776         * doc/invoke.texi (C++ Dialect Options): Likewise.
4777
4778 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
4779
4780         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
4781         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
4782         (ia64_expand_builtin): Likewise.
4783
4784 2009-04-07  Martin Jambor  <mjambor@suse.cz>
4785
4786         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
4787         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
4788         ADDR_EXPRS are include too.
4789
4790 2009-04-07  Richard Guenther  <rguenther@suse.de>
4791
4792         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
4793         decls are only used if passes as parameters or if they are
4794         local statics and the call is not to a builtin.
4795         (call_may_clobber_ref_p_1): Likewise.
4796
4797 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4798
4799         * expr.c (do_store_flag): Remove last argument.  Simplify code
4800         to avoid duplication of tests already done by can_compare_p.
4801         (expand_expr_real_1): Adjust caller.
4802
4803 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4804
4805         * optabs.c (can_compare_p): Test the predicate of a
4806         cbranch and cstore pattern.
4807
4808 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4809
4810         * expr.c (convert_move): Use emit_store_flag instead of
4811         "emulating" it.
4812
4813 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4814
4815         * config/i386/i386.c (ix86_compare_emitted): Remove.
4816         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
4817         ix86_compare_op0 like ix86_compare_emitted used to be handled.
4818         * config/i386/i386.h (ix86_compare_emitted): Remove.
4819         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
4820         instead of ix86_compare_emitted.
4821         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
4822
4823 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
4824
4825         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
4826         Add t-sysroot-suffix to tmake_file.
4827         * config/print-sysroot-suffix.sh: New file.
4828         * config/t-sysroot-suffix: New file.
4829
4830 2009-04-07  Ben Elliston  <bje@au.ibm.com>
4831
4832         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
4833         as the latter produces a warning when the target does not support
4834         infinity.
4835
4836 2009-04-07  Ben Elliston  <bje@au.ibm.com>
4837
4838         * dfp.c: Replace type punning assignments with memcpy throughout.
4839         * Makefile.in (dfp.o-warn): Remove.
4840
4841 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
4842
4843         PR target/39634
4844         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
4845         Include soft-fp/t-softfp after rs6000/t-linux64.
4846
4847 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
4848
4849         * stor-layout.c (set_sizetype): Use the full precision of their
4850         machine mode for bitsize types.
4851
4852 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
4853
4854         * config/i386/i386.md: Revert 2 accidental checkins.
4855
4856 2009-04-06  Joey Ye  <joey.ye@intel.com>
4857             Xuepeng Guo  <xuepeng.guo@intel.com>
4858             H.J. Lu  <hongjiu.lu@intel.com>
4859
4860         Atom pipeline model, tuning and insn selection.
4861         * config.gcc (atom): Add atom config options and target.
4862
4863         * config/i386/atom.md: New.
4864
4865         * config/i386/i386.c (atom_cost): New cost.
4866         (m_ATOM): New macro flag.
4867         (initial_ix86_tune_features): Set m_ATOM.
4868         (x86_accumulate_outgoing_args): Likewise.
4869         (x86_arch_always_fancy_math_387): Likewise.
4870         (processor_target): Add Atom cost.
4871         (cpu_names): Add Atom cpu name.
4872         (override_options): Set Atom ISA.
4873         (ix86_issue_rate): New case PROCESSOR_ATOM.
4874         (ix86_adjust_cost): Likewise.
4875
4876         * config/i386/i386.h (TARGET_ATOM): New target macro.
4877         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
4878         (TARGET_OPT_AGU): New target option.
4879         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
4880         (processor_type): Add PROCESSOR_ATOM.
4881
4882         * config/i386/i386.md (cpu): Add new value "atom".
4883         (use_carry, movu): New attr.
4884         (atom.md): Include atom.md.
4885         (adddi3_carry_rex64): Set attr "use_carry".
4886         (addqi3_carry): Likewise.
4887         (addhi3_carry): Likewise.
4888         (addsi3_carry): Likewise.
4889         (*addsi3_carry_zext): Likewise.
4890         (subdi3_carry_rex64): Likewise.
4891         (subqi3_carry): Likewise.
4892         (subhi3_carry): Likewise.
4893         (subsi3_carry): Likewise.
4894         (x86_movdicc_0_m1_rex64): Likewise.
4895         (*x86_movdicc_0_m1_se): Likewise.
4896         (x86_movsicc_0_m1): Likewise.
4897         (*x86_movsicc_0_m1_se): Likewise.
4898         (*adddi_1_rex64): Emit add insn as much as possible.
4899         (*addsi_1): Likewise.
4900         (return_internal): Set atom_unit.
4901         (return_internal_long): Likewise.
4902         (return_pop_internal): Likewise.
4903         (*rcpsf2_sse): Set atom_sse_attr attr.
4904         (*qrt<mode>2_sse): Likewise.
4905         (*prefetch_sse): Likewise.
4906
4907         * config/i386/i386-c.c (ix86_target_macros_internal): New case
4908         PROCESSOR_ATOM.
4909         (ix86_target_macros_internal): Likewise.
4910
4911         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
4912         (*prefetch_sse_rex): Likewise.
4913         (sse_rcpv4sf2): Likewise.
4914         (sse_vmrcpv4sf2): Likewise.
4915         (sse_sqrtv4sf2): Likewise.
4916         (<sse>_vmsqrt<mode>2): Likewise.
4917         (sse_ldmxcsr): Likewise.
4918         (sse_stmxcsr): Likewise.
4919         (*sse_sfence): Likewise.
4920         (sse2_clflush): Likewise.
4921         (*sse2_mfence): Likewise.
4922         (*sse2_lfence): Likewise.
4923         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
4924         (<sse>_movup<ssemodesuffixf2c>): Likewise.
4925         (avx_movdqu<avxmodesuffix>): Likewise.
4926         (avx_lddqu<avxmodesuffix>): Likewise.
4927         (sse2_movntv2di): Change attr "type" to "ssemov".
4928         (sse2_movntsi): Likewise.
4929         (rsqrtv8sf2): Change attr "type" to "sseadd".
4930         (sse3_addsubv2df3): Set attr "atom_unit".
4931         (sse3_h<plusminus_insn>v4sf3): Likewise.
4932         (*sse2_pmaddwd): Likewise.
4933         (*vec_extractv2di_1_rex64): Likewise.
4934         (*vec_extractv2di_1_avx): Likewise.
4935         (sse2_psadbw): Likewise.
4936         (ssse3_phaddwv8hi3): Likewise.
4937         (ssse3_phaddwv4hi3): Likewise.
4938         (ssse3_phadddv4si3): Likewise.
4939         (ssse3_phadddv2si3): Likewise.
4940         (ssse3_phaddswv8hi3): Likewise.
4941         (ssse3_phaddswv4hi3): Likewise.
4942         (ssse3_phsubwv8hi3): Likewise.
4943         (ssse3_phsubwv4hi3): Likewise.
4944         (ssse3_phsubdv4si3): Likewise.
4945         (ssse3_phsubdv2si3): Likewise.
4946         (ssse3_phsubswv8hi3): Likewise.
4947         (ssse3_phsubswv4hi3): Likewise.
4948         (ssse3_pmaddubsw128): Likewise.
4949         (sse3_pmaddubsw: Likewise.
4950         (ssse3_palignrti): Likewise.
4951         (ssse3_palignrdi): Likewise.
4952
4953 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
4954
4955         * doc/install.texi (Specific): Fix two cross-references to MinGW.
4956
4957 2009-04-06  Richard Guenther  <rguenther@suse.de>
4958
4959         PR tree-optimization/28868
4960         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
4961         of which PHI results we inserted.
4962         (insert_into_preds_of_block): Record inserted PHIs.
4963         (eliminate): Eliminate redundant PHI nodes.
4964         (init_pre): Init inserted_phi_names.
4965
4966 2009-04-06  Richard Guenther  <rguenther@suse.de>
4967
4968         PR tree-optimization/39643
4969         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
4970         IMAGPART_EXPRs of complex constants.
4971         (execute_fold_all_builtins): If we folded a call queue
4972         TODO_update_address_taken.
4973
4974 2009-04-06  Jan Hubicka  <jh@suse.cz>
4975
4976         PR middle-end/39659
4977         * except.c (remove_unreachable_regions): Propagate may_contain_throw
4978         flag.
4979
4980 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
4981
4982         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
4983         delay slot.
4984         (ic_invalidate_array): Likewise.
4985
4986 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
4987
4988         * calls.c (emit_library_call_value_1): Fix a problem with parameter
4989         alignment for library calls.
4990
4991 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
4992
4993         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
4994         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
4995         * config/i386/mingw-stdint.h:  New file.
4996
4997 2009-04-05  Richard Guenther  <rguenther@suse.de>
4998
4999         PR tree-optimization/39648
5000         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
5001         our &A vs. &A[0] IL deficiencies.
5002
5003 2009-04-04  Jan Hubicka  <jh@suse.cz>
5004
5005         * except.c (sjlj_find_directly_reachable_regions): Be ready for
5006         removed toplevel regions.
5007         (sjlj_mark_call_sites): Likewise.
5008
5009 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
5010
5011         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
5012         (cygwin tm clause use_gcc_stdint):  Set to wrap.
5013         * config/i386/cygwin-stdint.h:  New file.
5014
5015 2009-04-04  Richard Guenther  <rguenther@suse.de>
5016
5017         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
5018         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
5019         single-argument PHIs if we are in loop-closed SSA form.
5020         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
5021         for the pre-condition.
5022         (slpeel_tree_peel_loop_to_edge): Likewise.
5023         (vect_build_loop_niters): Take an optional sequence to append stmts.
5024         (vect_generate_tmps_on_preheader): Likewise.
5025         (vect_do_peeling_for_loop_bound): Take extra guards for the
5026         pre-condition.
5027         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
5028         the cost model check.
5029         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
5030         guards if we are going to peel.  Do not apply versioning in that case.
5031         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
5032         (vect_do_peeling_for_loop_bound): Likewise.
5033         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
5034         loop bound only record extra pre-conditions, do not apply loop
5035         versioning.
5036
5037 2009-04-04  Richard Guenther  <rguenther@suse.de>
5038
5039         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
5040         renaming code.
5041
5042 2009-04-04  Jan Hubicka  <jh@suse.cz>
5043
5044         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
5045         last_basic_block for size of bb->index indexed array.
5046         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
5047         compute_out, link_btr_uses, build_btr_def_use_webs,
5048         build_btr_def_use_webs, migrate_btr_defs): Likewise.
5049
5050 2009-04-04  Jan Hubicka  <jh@suse.cz>
5051
5052         * except.c (remove_eh_handler_and_replace): Break out from ...
5053         (remove_eh_handler): ... here.
5054         (bring_to_root): New function.
5055         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
5056         handled ones, bring others to root of tree.
5057
5058 2009-04-04  Jan Hubicka  <jh@suse.cz>
5059
5060         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
5061         (all_phis_safe_to_merge): New function.
5062         (update_info): New structure.
5063         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
5064         (cleanup_empty_eh): Update SSA if possible.
5065
5066 2009-04-04  Richard Guenther  <rguenther@suse.de>
5067
5068         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
5069         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
5070         (append_vuse): Likewise.
5071
5072 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
5073
5074         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
5075         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
5076         instead of REG_UNSAVED for DW_CFA_undefined.
5077         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
5078         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
5079         outermost frame.
5080
5081 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
5082
5083         PR target/39501
5084         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
5085         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
5086         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
5087
5088 2009-04-04  Richard Guenther  <rguenther@suse.de>
5089
5090         PR tree-optimization/8781
5091         PR tree-optimization/37892
5092         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
5093         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
5094         (valueize_refs): Call it for *& valueizations.
5095         (shared_reference_ops_from_ref): Rename to ...
5096         (valueize_shared_reference_ops_from_ref): ... this and valueize.
5097         (shared_reference_ops_from_call): Rename to ...
5098         (valueize_shared_reference_ops_from_call): ... this and valueize.
5099         (vn_reference_lookup): Update.
5100         (visit_reference_op_call): Likewise.
5101         * tree-ssa-pre.c (phi_translate_1): Fold *&.
5102         (eliminate): Value-replace the call address in call statements.
5103
5104 2009-04-04  Richard Guenther  <rguenther@suse.de>
5105
5106         PR tree-optimization/39636
5107         * tree-ssa-forwprop.c
5108         (forward_propagate_addr_into_variable_array_index): Check for
5109         GIMPLE_ASSIGN before accessing the rhs code.
5110
5111 2009-04-03  Jason Merrill  <jason@redhat.com>
5112
5113         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
5114
5115 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
5116
5117         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
5118         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
5119         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
5120         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
5121         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
5122         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
5123         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
5124         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
5125         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
5126         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
5127         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
5128         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
5129         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
5130         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
5131         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
5132         Use fr_reg_or_fp01_operand instead of fr_register_operand
5133
5134         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
5135         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
5136         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
5137
5138 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
5139
5140         PR rtl-optimization/39607
5141         PR rtl-optimization/39631
5142
5143         Revert:
5144
5145         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
5146         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
5147         instead of DF_LR_OUT.
5148         * ira-lives.c (process_bb_node_lives): Ditto.
5149         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
5150         instead of DF_LR_{OUT,IN}.
5151         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
5152         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
5153
5154 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
5155
5156         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
5157         (execute_lower_omp): Always run but take the short way out if -fopenmp
5158         is not given.
5159         (gate_lower_omp): Remove, forcing the pass manager to always run the
5160         pass and always set PROP_gimple_lomp.
5161         (pass_lower_omp): Remove gate function.
5162         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
5163         PROP_trees.  Instead, require it.
5164         * ipa-cp.c (pass_ipa_cp): Likewise.
5165         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
5166         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
5167         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
5168         and PROP_gimple_leh.
5169
5170 2009-04-03  Richard Guenther  <rguenther@suse.de>
5171
5172         PR middle-end/13146
5173         PR tree-optimization/23940
5174         PR tree-optimization/33237
5175         PR middle-end/33974
5176         PR middle-end/34093
5177         PR tree-optimization/36201
5178         PR tree-optimization/36230
5179         PR tree-optimization/38049
5180         PR tree-optimization/38207
5181         PR tree-optimization/38230
5182         PR tree-optimization/38301
5183         PR tree-optimization/38585
5184         PR middle-end/38895
5185         PR tree-optimization/38985
5186         PR tree-optimization/39299
5187         * tree-ssa-structalias.h: Remove.
5188         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
5189         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
5190         (struct vuse_element_d): Remove.
5191         (struct vuse_vec_d): Likewise.
5192         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
5193         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
5194         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
5195         VUSE_ELEMENT_VAR): Likewise.
5196         (struct voptype_d): Likewise.
5197         (NUM_VOP_FREE_BUCKETS): Likewise.
5198         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
5199         (struct stmt_operands_d): Remove.
5200         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
5201         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
5202         VDEF_NUM, VDEF_VECT): Likewise.
5203         (copy_virtual_operands): Remove.
5204         (operand_build_cmp): Likewise.
5205         (create_ssa_artificial_load_stmt): Likewise.
5206         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
5207         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
5208         vuse_index and mayuse_index members.  Pack and move done and iter_type
5209         members to the front.
5210         (SSA_OP_VMAYUSE): Remove.
5211         (SSA_OP_VIRTUAL_USES): Adjust.
5212         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
5213         (unlink_stmt_vdef): Declare.
5214         (add_to_addressable_set): Remove.
5215         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
5216         (vrp_visit_stmt): Likewise.
5217         * doc/tree-ssa.texi (Alias analysis): Update.
5218         * doc/invoke.texi (max-aliased-vops): Remove docs.
5219         (avg-aliased-vops): Likewise.
5220         * tree-into-ssa.c (syms_to_rename): Remove.
5221         (need_to_update_vops_p): Likewise.
5222         (need_to_initialize_update_ssa_p): Rename to ...
5223         (update_ssa_initialized_fn): ... this.  Track function we are
5224         initialized for.
5225         (symbol_marked_for_renaming): Simplify.
5226         (add_new_name_mapping): Do not set need_to_update_vops_p.
5227         (dump_currdefs): Use SYMS_TO_RENAME.
5228         (rewrite_update_stmt): Always walk all uses/defs.
5229         (dump_update_ssa): Adjust.
5230         (init_update_ssa): Take function argument.  Track what we are
5231         initialized for.
5232         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
5233         (create_new_def_for): Initialize for cfun, assert we are initialized
5234         for cfun.
5235         (mark_sym_for_renaming): Simplify.
5236         (mark_set_for_renaming): Do not initialize update-ssa.
5237         (need_ssa_update_p): Simplify.  Take function argument.
5238         (name_mappings_registered_p): Assert we ask for the correct function.
5239         (name_registered_for_update_p): Likewise.
5240         (ssa_names_to_replace): Likewise.
5241         (release_ssa_name_after_update_ssa): Likewise.
5242         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
5243         (dump_decl_set): Do not print a newline.
5244         (debug_decl_set): Do it here.
5245         (dump_update_ssa): And here.
5246         * tree-ssa-loop-im.c (move_computations): Adjust.
5247         (movement_possibility): Likewise.
5248         (determine_max_movement): Likewise.
5249         (gather_mem_refs_stmt): Likewise.
5250         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
5251         or NAME_MEMORY_TAG.
5252         * tree-complex.c (update_all_vops): Remove.
5253         (expand_complex_move): Adjust.
5254         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
5255         Simplify test for memory referencing statement.  Exclude
5256         non-invariant ADDR_EXPRs.
5257         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
5258         * tree-loop-distribution.c (generate_memset_zero): Adjust.
5259         (rdg_flag_uses): Likewise.
5260         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
5261         related code.
5262         (tree_optimize_tail_calls_1): Also split the
5263         edge from the entry block if we have degenerate PHI nodes in
5264         the first basic block.
5265         * tree.c (init_ttree): Remove memory-tag related code.
5266         (tree_code_size): Likewise.
5267         (tree_node_structure): Likewise.
5268         (build7_stat): Re-write to be build6_stat.
5269         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
5270         (SSA_VAR_P): Adjust.
5271         (struct tree_memory_tag): Remove.
5272         (struct tree_memory_partition_tag): Likewise.
5273         (union tree_node): Adjust.
5274         (build7): Re-write to be build6.
5275         * tree-pass.h (pass_reset_cc_flags): Remove.
5276         (TODO_update_address_taken): New flag.
5277         (pass_simple_dse): Remove.
5278         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
5279         * params.h (MAX_ALIASED_VOPS): Remove.
5280         (AVG_ALIASED_VOPS): Likewise.
5281         * omp-low.c (expand_omp_taskreg): Update SSA form.
5282         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
5283         aliases the lhs in a copy stmt.
5284         * tree-ssa-dse.c (struct address_walk_data): Remove.
5285         (memory_ssa_name_same): Likewise.
5286         (memory_address_same): Likewise.
5287         (get_kill_of_stmt_lhs): Likewise.
5288         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
5289         unused stores.  Look through PHI nodes into post-dominated regions.
5290         (dse_optimize_stmt): Simplify.  Properly remove stores.
5291         (tree_ssa_dse): Compute dominators.
5292         (execute_simple_dse): Remove.
5293         (pass_simple_dse): Likewise.
5294         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
5295         gimple_loaded_syms and gimple_stored_syms computation.
5296         * toplev.c (dump_memory_report): Dump alias and pta stats.
5297         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
5298         (vn_reference_eq): Likewise.
5299         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
5300         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
5301         valueize_vuses): Remove.
5302         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
5303         (get_def_ref_stmt_vuse): ... this.
5304         (vn_reference_lookup_2): New function.
5305         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
5306         walking equivalent vuses.  Simplify.
5307         (vn_reference_lookup): Likewise.
5308         (vn_reference_insert): Likewise.
5309         (vn_reference_insert_pieces): Likewise.
5310         (visit_reference_op_call): Simplify.
5311         (visit_reference_op_load): Likewise.
5312         (visit_reference_op_store): Likewise.
5313         (init_scc_vn): Remove shared_lookup_vuses initialization.
5314         (free_scc_vn): Remove shared_lookup_vuses freeing.
5315         (sort_vuses, sort_vuses_heap): Remove.
5316         (get_ref_from_reference_ops): Export.
5317         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
5318         vector with single vuse pointer.
5319         (vn_reference_lookup_pieces, vn_reference_lookup,
5320         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
5321         (shared_vuses_from_stmt): Remove.
5322         (get_ref_from_reference_ops): Declare.
5323         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
5324         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
5325         memory-tag related code.
5326         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
5327         (likely_value): Add comment, skip static-chain of call statements.
5328         (surely_varying_stmt_p): Adjust.
5329         (gimplify_and_update_call_from_tree): Likewise.
5330         (execute_fold_all_builtins): Do not rebuild alias info.
5331         (gimplify_and_update_call_from_tree): Properly update VOPs.
5332         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
5333         (copy_ref_info): Remove memory-tag related code.
5334         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
5335         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
5336         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
5337         computation.
5338         * tree-ssa-dom.c (gimple_p): Remove typedef.
5339         (eliminate_redundant_computations): Adjust.
5340         (record_equivalences_from_stmt): Likewise.
5341         (avail_expr_hash): Likewise.
5342         (avail_expr_eq): Likewise.
5343         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
5344         (stmt_makes_single_load): Likewise.
5345         (stmt_makes_single_store): Likewise.
5346         * tree-ssa-alias.c: Rewrite completely.
5347         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
5348         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
5349         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
5350         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
5351         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
5352         Remove public functions.
5353         (pass_reset_cc_flags): Remove.
5354         (pass_build_alias): Move ...
5355         * tree-ssa-structalias.c (pass_build_alias): ... here.
5356         * tree-ssa-alias.c (may_be_aliased): Move ...
5357         * tree-flow-inline.h (may_be_aliased): ... here.
5358         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
5359         count_uses_and_derefs): Move ...
5360         * gimple.c: ... here.
5361         * gimple.h (count_uses_and_derefs): Declare.
5362         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
5363         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
5364         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
5365         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
5366         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
5367         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
5368         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
5369         New functions.
5370         * tree-dfa.c (refs_may_alias_p): Move ...
5371         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
5372         * tree-ssa-alias.h: New file.
5373         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
5374         (statement_sink_location): Likewise.
5375         * opts.c (decode_options): Do not adjust max-aliased-vops or
5376         avg-aliased-vops values.
5377         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
5378         (TV_CALL_CLOBBER): Likewise.
5379         (TV_FLOW_SENSITIVE): Likewise.
5380         (TV_FLOW_INSENSITIVE): Likewise.
5381         (TV_MEMORY_PARTITIONING): Likewise.
5382         (TV_ALIAS_STMT_WALK): New timevar.
5383         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
5384         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
5385         (get_address_description): Remove memory-tag related code.
5386         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
5387         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
5388         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
5389         and immediate uses in statements.  Document.
5390         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
5391         (dump_symbols): Remove.
5392         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
5393         * alias.c (get_deref_alias_set): New function split out from ...
5394         (get_alias_set): ... here.
5395         * alias.h (get_deref_alias_set): Declare.
5396         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
5397         type parameter.  Remove restrict pointer handling.  Create a
5398         ref-all pointer in case type-based alias sets do not conflict.
5399         (vect_analyze_data_refs): Remove SMT related code.
5400         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
5401         (vectorizable_load): Likewise.
5402         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
5403         (DR_SYMBOL_TAG, DR_VOPS): Remove.
5404         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
5405         Ignore vops and SMTs.
5406         (dr_analyze_alias): Likewise..
5407         (free_data_ref): Likewise.
5408         (create_data_ref): Likewise.
5409         (analyze_all_data_dependences): Likewise.
5410         (get_references_in_stmt): Adjust.
5411         * tree-flow-inline.h (gimple_aliases_computed_p,
5412         gimple_addressable_vars, gimple_call_clobbered_vars,
5413         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
5414         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
5415         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
5416         gimple_mem_ref_stats): Remove.
5417         (gimple_vop): New function.
5418         (op_iter_next_use): Remove vuses and mayuses cases.
5419         (op_iter_next_def): Remove vdefs case.
5420         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
5421         (clear_and_done_ssa_iter): Do not set removed fields.
5422         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
5423         Assert we are not iterating over vuses or vdefs if not also
5424         iterating over uses or defs.
5425         (op_iter_init_use): Likewise.
5426         (op_iter_init_def): Likewise.
5427         (op_iter_next_vdef): Remove.
5428         (op_iter_next_mustdef): Likewise.
5429         (op_iter_init_vdef): Likewise.
5430         (compare_ssa_operands_equal): Likewise.
5431         (link_use_stmts_after): Handle vuse operand.
5432         (is_call_used): Use is_call_clobbered.
5433         (is_call_clobbered): Global variables are always call clobbered,
5434         query the call-clobbers bitmap.
5435         (mark_call_clobbered): Ignore global variables.
5436         (clear_call_clobbered): Likewise.
5437         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
5438         virtual operands sanity check.
5439         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
5440         Remove.
5441         (TARGET_MEM_REF): Remove TMR_TAG operand.
5442         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
5443         Remove call-clobber related code.
5444         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
5445         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
5446         partitions or escape reason.
5447         (get_single_def_stmt, get_single_def_stmt_from_phi,
5448         get_single_def_stmt_with_phi): Remove.
5449         (dump_referenced_vars): Tidy.
5450         (get_ref_base_and_extent): Allow bare decls.
5451         (collect_dfa_stats): Adjust.
5452         * graphite.c (rename_variables_in_stmt): Adjust.
5453         (graphite_copy_stmts_from_block): Likewise.
5454         (translate_clast): Likewise.
5455         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
5456         (EXPR_DIES): New.
5457         (translate_vuse_through_block): Use the oracle.
5458         (phi_translate_1): Adjust.
5459         (value_dies_in_block_x): Use the oracle.  Cache the outcome
5460         in EXPR_DIES.
5461         (valid_in_sets): Check if the VUSE for
5462         a REFERENCE is available.
5463         (eliminate): Do not remove stmts during elimination,
5464         instead queue and remove them afterwards.
5465         (do_pre): Do not rebuild alias info.
5466         (pass_pre): Run TODO_rebuild_alias before PRE.
5467         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
5468         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
5469         (mark_all_v_defs_stmt): Remove.
5470         (mark_all_v_defs_seq): Adjust.
5471         (sra_replace): Likewise.
5472         (scalarize_use): Likewise.
5473         (scalarize_copy): Likewise.
5474         (scalarize_init): Likewise.
5475         (scalarize_ldst): Likewise.
5476         (todoflags): Remove.
5477         (tree_sra): Do not rebuild alias info.
5478         (tree_sra_early): Adjust.
5479         (pass_sra): Run TODO_update_address_taken before SRA.
5480         * tree-predcom.c (set_alias_info): Remove.
5481         (prepare_initializers_chain): Do not call it.
5482         (mark_virtual_ops_for_renaming): Adjust.
5483         (mark_virtual_ops_for_renaming_list): Remove.
5484         (initialize_root_vars): Adjust.
5485         (initialize_root_vars_lm): Likewise.
5486         (prepare_initializers_chain): Likewise.
5487         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
5488         (may_propagate_copy_into_stmt): Likewise.
5489         (merge_alias_info): Do nothing for now.
5490         (propagate_tree_value_into_stmt): Adjust.
5491         (stmt_may_generate_copy): Likewise.
5492         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
5493         not mark symbols for renaming.
5494         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
5495         with the same statement, make sure to update the new pointed-to one.
5496         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
5497         call statements, do not mark symbols for renaming.
5498         (mark_operand_necessary): Dump something.
5499         (ref_may_be_aliased): New function.
5500         (mark_aliased_reaching_defs_necessary_1): New helper function.
5501         (mark_aliased_reaching_defs_necessary): Likewise.
5502         (mark_all_reaching_defs_necessary_1): Likewise.
5503         (mark_all_reaching_defs_necessary): Likewise.
5504         (propagate_necessity): Do not process virtual PHIs.  For
5505         non-aliased loads mark all reaching definitions as necessary.
5506         For aliased loads and stores mark the immediate dominating
5507         aliased clobbers as necessary.
5508         (visited): New global static.
5509         (perform_tree_ssa_dce): Free visited bitmap after propagating
5510         necessity.
5511         (remove_dead_phis): Perform simple dead virtual PHI removal.
5512         (remove_dead_stmt): Properly unlink virtual operands when
5513         removing stores.
5514         (eliminate_unnecessary_stmts): Schedule PHI removal after
5515         stmt removal.
5516         * tree-ssa-ter.c (is_replaceable_p): Adjust.
5517         (process_replaceable): Likewise.
5518         (find_replaceable_in_bb): Likewise.
5519         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
5520         based on the single gimple vop.
5521         (verify_flow_insensitive_alias_info): Remove.
5522         (verify_flow_sensitive_alias_info): Likewise.
5523         (verify_call_clobbering): Likewise.
5524         (verify_memory_partitions): Likewise.
5525         (verify_alias_info): Likewise.
5526         (verify_ssa): Adjust..
5527         (execute_update_addresses_taken): Export.  Update SSA
5528         manually.  Optimize only when optimizing.  Use a local bitmap.
5529         (pass_update_address_taken): Remove TODO_update_ssa, add
5530         TODO_dump_func.
5531         (pass_update_address_taken): Just use TODO_update_address_taken.
5532         (init_tree_ssa): Do not initialize addressable_vars.
5533         (verify_ssa): Verify new VUSE / VDEF properties.
5534         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
5535         Do not call verify_alias_info.
5536         (delete_tree_ssa): Clear the VUSE, VDEF operands.
5537         Do not free the loaded and stored syms bitmaps.  Reset the escaped
5538         and callused solutions.  Do not free addressable_vars.
5539         Remove memory-tag related code.
5540         (warn_uninitialized_var): Aliases are always available.
5541         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
5542         * lambda-code.c (can_put_in_inner_loop): Adjust.
5543         (can_put_after_inner_loop): Likewise.
5544         (perfect_nestify): Likewise.
5545         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
5546         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
5547         (vectorizable_conversion): Do not mark symbols for renaming.
5548         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
5549         (expand_call_inline): Unlink the calls virtual operands before
5550         replacing it.
5551         (tree_function_versioning): Do not call update_ssa if we are not
5552         updating clones.  Simplify.
5553         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
5554         (propagate_with_phi): Likewise..
5555         * tree-outof-ssa.c (create_temp): Remove memory tag and call
5556         clobber code.  Assert we are not aliased or global.
5557         * tree-flow.h: Include tree-ssa-alias.h
5558         (enum escape_type): Remove.
5559         (struct mem_sym_stats_d): Likewise.
5560         (struct mem_ref_stats_d): Likewise.
5561         (struct gimple_df): Add vop member.  Remove global_var,
5562         call_clobbered_vars, call_used_vars, addressable_vars,
5563         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
5564         escaped and callused members.
5565         (struct ptr_info_def): Remove all members, add points-to solution
5566         member pt.
5567         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
5568         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
5569         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
5570         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
5571         (tree-ssa-alias.o): Likewise.
5572         (toplev.o): Add tree-ssa-alias.h
5573         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
5574         * gimple.c (gimple_set_bb): Fix off-by-one error.
5575         (is_gimple_reg): Do not handle memory tags.
5576         (gimple_copy): Also copy virtual operands.
5577         Delay updating the statement.  Do not reset loaded and stored syms.
5578         (gimple_set_stored_syms): Remove.
5579         (gimple_set_loaded_syms): Likewise.
5580         (gimple_call_copy_skip_args): Copy the virtual operands
5581         and mark the new statement modified.
5582         * tree-ssa-structalias.c (may_alias_p): Remove.
5583         (set_uids_in_ptset): Take the alias set to prune with as
5584         parameter.  Fold in the alias test of may_alias_p.
5585         (compute_points_to_sets): Compute whether a ptr is dereferenced
5586         in a local sbitmap.
5587         (process_constraint): Deal with &ANYTHING on the lhs, reject all
5588         other ADDRESSOF constraints on the lhs.
5589         (get_constraint_for_component_ref): Assert that we don't get
5590         ADDRESSOF constraints from the base of the reference.
5591         Properly generate UNKNOWN_OFFSET for DEREF if needed.
5592         (struct variable_info): Remove collapsed_to member.
5593         (get_varinfo_fc): Remove.
5594         (new_var_info): Do not set collapsed_to.
5595         (dump_constraint): Do not follow cycles.
5596         (dump_constraint_graph): Likewise.
5597         (build_pred_graph): Likewise.
5598         (build_succ_graph): Likewise.
5599         (rewrite_constraints): Likewise.
5600         (do_simple_structure_copy): Remove.
5601         (do_rhs_deref_structure_copy): Remove.
5602         (do_lhs_deref_structure_copy): Remove.
5603         (collapse_rest_of_var): Remove.
5604         (do_structure_copy): Re-implement.
5605         (pta_stats): New global variable.
5606         (dump_pta_stats): New function.
5607         (struct constraint_expr): Make offset signed.
5608         (UNKNOWN_OFFSET): Define special value.
5609         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
5610         (solution_set_expand): New helper function split out from ...
5611         (do_sd_constraint): ... here.
5612         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
5613         (do_ds_constraint): Likewise.
5614         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
5615         and CALLUSED = *CALLUSED.
5616         (set_union_with_increment): Make inc argument signed.
5617         (type_safe): Remove.
5618         (get_constraint_for_ptr_offset): Handle unknown and negative
5619         constant offsets.
5620         (first_vi_for_offset): Handle offsets before start.  Bail
5621         out early for offsets beyond the variable extent.
5622         (first_or_preceding_vi_for_offset): New function.
5623         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
5624         Together with ESCAPED = *ESCAPED this properly computes reachability.
5625         (find_what_var_points_to): New function.
5626         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
5627         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
5628         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
5629         pt_solutions_intersect): New functions.
5630         (compute_call_used_vars): Remove.
5631         (compute_may_aliases): New main entry into PTA computation.
5632         * gimple.h (gimple_p): New typedef.
5633         (struct gimple_statement_base): Remove references_memory_p.
5634         (struct gimple_statement_with_memory_ops_base): Remove
5635         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
5636         members.
5637         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
5638         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
5639         gimple_set_references_memory): Remove.
5640         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
5641         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
5642         New functions.
5643         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
5644         (verify_expr): Allow RESULT_DECL.
5645         (gimple_duplicate_bb): Do not copy virtual operands.
5646         (gimple_duplicate_sese_region): Adjust.
5647         (gimple_duplicate_sese_tail): Likewise.
5648         (mark_virtual_ops_in_region): Remove.
5649         (move_sese_region_to_fn): Do not call it.
5650         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
5651         and pass_simple_dse.
5652         (execute_function_todo): Handle TODO_update_address_taken,
5653         call execute_update_addresses_taken for TODO_rebuild_alias.
5654         (execute_todo): Adjust.
5655         (execute_one_pass): Init dump files early.
5656         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
5657         call-clobbered.
5658         (create_general_new_stmt): Clear vops.
5659         * tree-ssa-reassoc.c (get_rank): Adjust.
5660         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
5661         symbols for renaming.
5662         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
5663         (PARAM_AVG_ALIASED_VOPS): Likewise.
5664         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
5665         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
5666         * tree-ssa-operands.c: Simplify for new virtual operand representation.
5667         (operand_build_cmp, copy_virtual_operands,
5668         create_ssa_artificial_load_stmt, add_to_addressable_set,
5669         gimple_add_to_addresses_taken): Remove public functions.
5670         (unlink_stmt_vdef): New function.
5671
5672 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
5673
5674         * config.gcc (powerpc-*-linux*): Merge variants.
5675
5676 2009-04-02  Chao-ying Fu  <fu@mips.com>
5677             James Grosbach  <james.grosbach@microchip.com>
5678
5679         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
5680         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
5681         cop0_sp_offset.
5682         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
5683         keep_interrupts_masked_p, use_debug_exception_return_p.
5684         (mips_attribute_table): Add interrupt, use_shadow_register_set,
5685         keep_interrupts_masked, use_debug_exception_return.
5686         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
5687         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
5688         New functions.
5689         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
5690         (mips_print_operand): Process COP0 registers to print $0 .. $31
5691         correctly for GAS to process.
5692         (mips_interrupt_extra_call_saved_reg_p): New function.
5693         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
5694         extra registers.
5695         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
5696         (mips_compute_frame_info): Add supports for interrupt context that
5697         includes doubleword accumulators and COP0 registers.
5698         (mips_for_each_saved_acc): New function.
5699         (mips_for_each_saved_gpr_and_fpr): Change the function name from
5700         mips_for_each_saved_reg.
5701         (mips_save_reg): Save accumulators.
5702         (mips_kernel_reg_p): A new for_each_rtx callback.
5703         (mips_expand_prologue): Support interrupt handlers.
5704         (mips_restore_reg): Restore accumulators.
5705         (mips_expand_epilogue): Support interrupt handlers.
5706         (mips_can_use_return_insn): Return false for interrupt handlers.
5707         (mips_epilogue_uses): New function.
5708         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
5709         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
5710         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
5711         cop0_move): New instructions.
5712         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
5713         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
5714         defines.
5715         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
5716         New defines.
5717         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
5718         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
5719         interrupt handlers, we use K0 as the temporary register.
5720         (EPILOGUE_USES): Change to a function call.
5721         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
5722         handlers, we use K0 as the temporary register.
5723
5724         * doc/extend.texi (Function Attributes): Document interrupt,
5725         use_shadow_register_set, keep_interrupts_masked,
5726         use_debug_exception_return for MIPS attributes.
5727
5728 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
5729
5730         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
5731         Remove a number of t-files from tmake_file.
5732         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
5733         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
5734         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
5735         target_prototype, not TARGET_PROTOTYPE.
5736         (LINK_OS_GNU_SPEC): Define.
5737         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
5738         and darwin-ldoubdle.c.
5739
5740 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
5741
5742         PR driver/39293
5743         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
5744         (cpp_options): Ditto.
5745         (default_compilers): Ditto.
5746         (display_help): Ditto.
5747         (process_command): Ditto.
5748         (do_spec_1): Ditto.
5749         (set_input): Use lbasename instead of duplicate code.
5750         (save_temps_prefix): New static for -save-temps=obj.
5751         (save_temps_length): Ditto.
5752
5753         * doc/invoke.texi (-save-temps=obj): Document new variant to
5754         -save-temps switch.
5755
5756 2009-04-02  Jeff Law  <law@redhat.com>
5757
5758         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
5759         variable.
5760
5761 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
5762
5763         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
5764         * configure: Regenerated.
5765
5766 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
5767
5768         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
5769         share the argument list.
5770
5771 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
5772
5773         Merge
5774
5775         2009-02-12  Diego Novillo  <dnovillo@google.com>
5776
5777         * varpool.c (debug_varpool): New.
5778         * cgraph.h (debug_varpool): Declare.
5779
5780 2009-04-02  Jan Hubicka  <jh@suse.cz>
5781
5782         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
5783         pass.
5784
5785 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
5786
5787         * config/i386/i386.c (ix86_abi): Move initialization to ...
5788         (override_options): Here.
5789
5790 2009-04-02  Christian Bruel  <christian.bruel@st.com>
5791
5792         * config/sh/sh.c (sh_dwarf_register_span): New function.
5793         (TARGET_DWARF_REGISTER_SPAN): Define.
5794         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
5795
5796 2009-04-02  Ira Rosen  <irar@il.ibm.com>
5797
5798         PR tree-optimization/39595
5799         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
5800         interleaved loads group is not  greater than the SLP group size.
5801
5802 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
5803
5804         * builtins.c (is_builtin_name): New.
5805         (called_as_built_in): Use is_builtin_name.
5806         * tree.h (is_builtin_name): New.
5807         * varasm.c (incorporeal_function_p): Use is_builtin_name
5808
5809 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
5810
5811         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
5812
5813 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
5814
5815         PR c++/26693
5816         * c-decl.c (clone_underlying_type): Move this ...
5817         * c-common.c (set_underlying_type): ... here.
5818         Also, make sure the function properly sets TYPE_STUB_DECL() on
5819         the newly created typedef variant type.
5820         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
5821         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
5822         points.
5823
5824 2009-04-02  Richard Guenther  <rguenther@suse.de>
5825
5826         PR tree-optimization/37221
5827         * tree-flow.h (degenerate_phi_result): Declare.
5828         * tree-ssa-dom.c (degenerate_phi_result): Export.
5829         * tree-scalar-evolution.c (analyze_initial_condition): If
5830         the initial condition is defined by a degenerate PHI node
5831         use the degenerate value.
5832
5833 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
5834
5835         PR rtl-optimization/39588
5836         * combine.c (merge_outer_ops): Do not set the constant when this
5837         is not necessary.
5838         (simplify_shift_const_1): Do not modify it either in this case.
5839
5840 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
5841
5842         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
5843         tuning is deprecated if -mtune value is set to an Itanium1 variant.
5844
5845 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
5846
5847         PR c/29027
5848         * c-lex.c (interpret_float): Default (no suffix) is double.
5849
5850 2009-04-1  Xinliang David Li  <davidxl@google.com>
5851
5852         * config/i386/i386.c (legitimate_constant_p): Recognize
5853         all one vector constant.
5854
5855 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5856
5857         * config/vax/vax.c: Add #includes to silence warnings.
5858         Change #include order to silence two warnings.
5859
5860 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5861
5862         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
5863         (ASM_SPEC): Pass -k to the assembler for PIC code.
5864
5865 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5866
5867         * config.gcc: Add vax-*-linux* to the switch.
5868         * config/vax/linux.h: New file. (TARGET_VERSION,
5869         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
5870
5871 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5872
5873         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
5874         Use predicate macros instead of GET_CODE() == foo.
5875         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
5876         ashlsi3, rotrsi3, <unnamed>): Likewise.
5877
5878 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5879
5880         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
5881         jbbccihi, jbbccisi): Remova trailing whitespace.
5882         * config/vax/constraints.md: Likewise.
5883         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
5884         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
5885         * config/vax/predicates.md: Likewise.
5886         * config/vax/vax.c (print_operand_address, vax_output_int_move,
5887         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
5888         * config/vax/vax.h: Likewise.
5889         * config/vax/vax.md (nonlocal_goto): Likewise.
5890
5891 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5892
5893         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
5894         (indirectable_address_p, adjacent_operands_p): Add spaces around
5895         braces.
5896         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
5897
5898 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5899
5900         * config/vax/vax.c (legitimate_constant_address_p,
5901         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
5902         index_term_p, reg_plus_index_p, legitimate_address_p,
5903         vax_mode_dependent_address_p): Update comments to match functions
5904         modified by the recent int->bool conversion.
5905
5906 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5907
5908         * config/vax/builtins.md: Update copyright message.
5909         * config/vax/constraints.md: Likewise.
5910         * config/vax/netbsd-elf.h: Likewise.
5911         * config/vax/predicates.md: Likewise.
5912         * config/vax/vax-protos.h: Likewise.
5913         * config/vax/vax.c: Likewise.
5914         * config/vax/vax.h: Likewise.
5915         * config/vax/vax.md: Likewise.
5916         * config/vax/vax.opt: Likewise.
5917
5918 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5919
5920         * config/vax/builtins.md (ffssi2, ffssi2_internal,
5921         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
5922         * config/vax/constraints.md (B, R): Likewise.
5923         * config/vax/predicates.md (external_memory_operand,
5924         nonimmediate_addsub_di_operand): Likewise.
5925         * config/vax/vax.c (vax_output_int_add): Likewise.
5926         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
5927         untyped_call): Likewise.
5928
5929 2009-04-01  Matt Thomas  <matt@3am-software.com>
5930
5931         * config/vax/predicates.md: New file.
5932         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
5933         external_const_operand, nonsymbolic_operand, external_memory_operand,
5934         indirect_memory_operand, indexed_memory_operand,
5935         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
5936         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
5937         predicate.
5938         * config/vax/constraints.md: New file.
5939         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
5940         New constraint.
5941         * config/vax/builtins.md: New file.
5942         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
5943         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
5944         jbbccisi): Define.
5945         * config/vax/vax.opt (mqmath): Add option.
5946         * config/vax/vax.md (isfx): Extend with DI.
5947         (VAXintQH, VAXintQHSD): Define.
5948         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
5949         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
5950         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
5951         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
5952         (movdi): Update constraints and use vax_output_int_move().
5953         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
5954         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
5955         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
5956         nonlocal_goto): New.
5957         (mov<mode>): Extend accepted operand types.
5958         (subdi3_old): Rename from subdi3, change update constraints and use
5959         a new implementation.
5960         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
5961         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
5962         MOVE_RATIO, CLEAR_RATIO): Define.
5963         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
5964         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5965         (PRINT_OPERAND): Redefine using a function instead of inlined code.
5966         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
5967         (split_quadword_operands): Make static and really allow variable
5968         splitting.
5969         (print_operand_address): Update for PIC generation.
5970         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
5971         indexable_address_p, fixup_mathdi_operand,
5972         vax_expand_addsub_di_operands, adjacent_operands_p): New.
5973         (vax_float_literal, legitimate_constant_p,
5974         indirectable_constant_address_p, index_term_p,
5975         reg_plus_index_p): Return bool instead of int.
5976         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
5977         where needed.
5978         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
5979         generation.
5980         (vax_output_conditional_branch): Indent.
5981         (legitimate_constant_address_p, indirectable_constant_address_p,
5982         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
5983         vax_mode_dependent_address_p): Return bool instead of int, update for
5984         PIC generation.
5985         * config/vax/vax-protos.h (legitimate_constant_address_p,
5986         legitimate_constant_p, legitimate_address_p,
5987         vax_mode_dependent_address_p): Change declaration to bool.
5988         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
5989         vax_expand_addsub_di_operands, vax_output_int_subtract,
5990         vax_output_movmemsi): Declare.
5991         (split_quadword_operands, vax_float_literal): Delete declaration.
5992         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
5993         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
5994         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
5995         ASM_OUTPUT_DWARF_PCREL): Define.
5996         (ASM_SPEC): Change definition to allow PIC generation.
5997
5998 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
5999
6000         * doc/sourcebuild.texi: Update front-end requirements.
6001
6002 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6003
6004         PR target/39226
6005         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
6006         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
6007         (booldi3_internal3): Use boolean_or_operator instead of
6008         boolean_operator.
6009
6010 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
6011
6012         PR c/39605
6013         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
6014         declarator whose size is not an integer constant expression but
6015         folds to an integer constant, then treat it as a constant
6016         subsequently.
6017
6018 2009-04-01  Richard Guenther  <rguenther@suse.de>
6019
6020         * fold-const.c (fold_plusminus_mult_expr): Do not fold
6021         i * 4 + 2 to (i * 2 + 1) * 2.
6022
6023 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6024
6025         PR c/37772
6026         * c-parser.c (c_parser_asm_statement): Skip until close paren and
6027         return if c_parser_asm_string_literal returned NULL.
6028
6029 2009-04-01  Nick Clifton  <nickc@redhat.com>
6030
6031         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
6032         already defined.
6033         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
6034         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
6035         other typedefs to avoid conflicts with libgcc2.c.  Define labels
6036         to gain 16-bit bit-manipulation functions from libgcc2.c and then
6037         include it.
6038         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
6039         to gain 16-bit trapping arithmetic functions from libgcc2.c and
6040         then include it.
6041
6042 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
6043
6044         * varasm.c (default_function_rodata_section): Declare DOT as
6045         const char*.
6046
6047 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
6048             Andrey Galkin  <agalkin@hypercom.com>
6049
6050         PR/39492
6051         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
6052         Make object_name unique for each process.
6053
6054 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6055
6056         PR other/39591
6057         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
6058         addressable variables in the parallel that could go out of scope while
6059         running queued tasks.
6060
6061 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
6062
6063         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
6064         (CASE_VALUES_THRESHOLD): Redefine.
6065         * config/avr/avr.c (avr_override_options): Remove initialization of
6066         avr_case_values_threshold variable.
6067         (avr_case_values_threshold): Remove variable. Add new function.
6068         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
6069         * config/avr/avr.opt (mno-tablejump): Remove option.
6070         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
6071
6072 2009-04-01  DJ Delorie  <dj@redhat.com>
6073
6074         * varasm.c (default_function_rodata_section): Don't assume
6075         anything about where the first '.' in the section name is.
6076
6077 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
6078
6079         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
6080         rs6000_emit_stack_tie.
6081
6082 2009-03-31  Ian Lance Taylor  <iant@google.com>
6083
6084         * tree-eh.c (tree_remove_unreachable_handlers): Compare
6085         gimple_code with GIMPLE_RESX, not RESX.
6086
6087 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6088
6089         * c-common.c (c_get_ident): New.
6090         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
6091
6092 2009-04-01  Ben Elliston  <bje@au.ibm.com>
6093
6094         * config/rs6000/sysv4.opt (msdata): Improve option description.
6095
6096 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
6097
6098         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
6099         (divdf3_internal_lat): Remove.
6100         (divxf3_internal_lat): Remove.
6101         (divxf3_internal_thr): Remove.
6102         (divxf): Use divxf3_internal.
6103         * config/ia64/div.md (divsf3_internal_lat): New.
6104         (divdf3_internal_lat): New.
6105         (divxf3_internal): New.
6106
6107 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6108
6109         PR c/448
6110         * Makefile.in (USE_GCC_STDINT): Define.
6111         (stmp-int-hdrs): Install stdint.h if applicable.
6112         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
6113         if known.
6114         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
6115         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
6116         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
6117         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6118         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6119         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6120         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6121         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6122         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
6123         (c_common_nodes_and_builtins): Initialize
6124         underlying_wchar_type_node.  Do not initialize
6125         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
6126         nodes for new types.
6127         (c_stddef_cpp_builtins): Define macros for new types.
6128         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
6129         Remove.
6130         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
6131         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
6132         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
6133         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
6134         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
6135         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
6136         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
6137         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
6138         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
6139         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
6140         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
6141         int16_type_node, int32_type_node, int64_type_node,
6142         uint8_type_node, uint16_type_node, c_uint32_type_node,
6143         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
6144         int_least32_type_node, int_least64_type_node,
6145         uint_least8_type_node, uint_least16_type_node,
6146         uint_least32_type_node, uint_least64_type_node,
6147         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
6148         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
6149         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
6150         uintptr_type_node): Define.
6151         * c-cppbuiltin.c (builtin_define_constants,
6152         builtin_define_type_minmax): New.
6153         (builtin_define_stdint_macros): Define more macros.
6154         (c_cpp_builtins): Define more limit macros.
6155         (type_suffix): New.
6156         (builtin_define_type_max): Define in terms of
6157         builtin_define_type_minmax.  Remove is_long parameter.  All
6158         callers changed.
6159         * config.gcc (use_gcc_stdint): Define.
6160         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
6161         Add newlib-stdint.h for generic targets.
6162         * config/glibc-stdint.h, config/newlib-stdint.h,
6163         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
6164         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
6165         * config/score/score.h (UINTPTR_TYPE): Define.
6166         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
6167         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
6168         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6169         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6170         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6171         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6172         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6173         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
6174         * config/spu/spu.h (STDINT_LONG32): Define.
6175         * configure.ac (use_gcc_stdint): Substitute.
6176         * configure: Regenerate.
6177         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
6178         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
6179         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
6180         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
6181         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
6182         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
6183         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
6184         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
6185         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
6186         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
6187         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
6188         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
6189         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
6190         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
6191         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
6192         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
6193         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
6194         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
6195         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
6196         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
6197         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
6198         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
6199         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
6200         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6201         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6202         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6203         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6204         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6205         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
6206
6207 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
6208
6209         * loop-iv.c (suitable_set_for_replacement): Renamed from
6210         simplify_using_assignment; changed to return bool and to accept new
6211         args DEST and SRC.  Return true iff we find a source/destination pair
6212         that can be used to make a replacement, and fill SRC and DEST if so.
6213         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
6214         changed.
6215         (simplify_using_initial_values): Deal with altered regs here and track
6216         more precisely the effect they have on the validity of our expression.
6217
6218         * loop-iv.c (simplify_using_condition): A condition of the form
6219         (EQ REG CONST) can be used to simply make a substitution.
6220         (simplify_using_initial_values): Keep track of conditions we have seen
6221         and keep using them to simplify new expressions, while applying the
6222         same substitutions to them as to the expression.
6223
6224         * simplify-rtx.c (simplify_relational_operation_1): Simplify
6225         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
6226         GEU/LTU reversed.
6227
6228         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
6229         changed.  Use this when trying to improve the upper bound.
6230         Generate the comparison by using simplify_gen_relational.
6231
6232         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
6233
6234         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
6235         functions.
6236         (simplify_using_assignment, simplify_using_initial_values): Call
6237         replace_in_expr to make replacements.  Call replace_single_def_regs
6238         once on the initial version of the expression.
6239
6240 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6241
6242         PR target/27237
6243         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
6244
6245 2009-03-31  Richard Guenther  <rguenther@suse.de>
6246
6247         PR middle-end/31029
6248         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
6249         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
6250
6251 2009-03-31  Richard Guenther  <rguenther@suse.de>
6252
6253         * tree.h (div_if_zero_remainder): Declare.
6254         * fold-const.c (div_if_zero_remainder): Export.
6255         * tree-ssa-forwprop.c
6256         (forward_propagate_addr_into_variable_array_index): Handle
6257         constant array index addition outside of the variable index.
6258
6259 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6260
6261         PR target/39592
6262         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
6263         define_splits, floatunssi<mode>2): Require x87 conversions from
6264         DImode to be permitted.
6265
6266 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6267
6268         PR preprocessor/15638
6269         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
6270
6271 2009-03-31  Richard Guenther  <rguenther@suse.de>
6272
6273         PR middle-end/23401
6274         PR middle-end/27810
6275         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
6276         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
6277         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
6278         a separate statement.
6279         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
6280         (lookup_tmp_var): Likewise.
6281         (is_gimple_formal_tmp_or_call_rhs): Remove.
6282         (is_gimple_reg_or_call_rhs): Rename to ...
6283         (is_gimple_reg_rhs_or_call): ... this.
6284         (is_gimple_mem_or_call_rhs): Rename to ...
6285         (is_gimple_mem_rhs_or_call): ... this.
6286         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
6287         DECL_GIMPLE_REG_P only if is_formal is true.
6288         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
6289         for non-proper post-modify expression gimplification.
6290         (gimplify_self_mod_expr): For post-modify expressions gimplify
6291         the lvalue to a minimal lvalue.
6292         (rhs_predicate_for): Remove formal temp case.
6293         (gimplify_modify_expr_rhs): Likewise.
6294         (gimplify_addr_expr): Use is_gimple_reg.
6295         (gimplify_expr): Remove formal temp cases.
6296         (gimple_regimplify_operands): Likewise.
6297         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
6298         and FILTER_EXPR like constants.
6299         * gimple.c (walk_gimple_op): Fix val_only initialization, use
6300         is_gimple_reg.
6301         (is_gimple_formal_tmp_rhs): Remove.
6302         (is_gimple_reg_rhs): Remove special casing.
6303         (is_gimple_mem_rhs): Fix.
6304         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
6305         (is_gimple_formal_tmp_var): Remove.
6306         (is_gimple_formal_tmp_reg): Likewise.
6307         (is_gimple_min_lval): Allow invariant component ref parts.
6308         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
6309         is_gimple_formal_tmp_reg): Remove declarations.
6310         * tree-cfg.c (verify_expr): Verify that variables with address
6311         taken do not have DECL_GIMPLE_REG_P set.
6312         * tree-mudflap.c (mf_build_check_statement_for): Use
6313         force_gimple_operand instead of gimplify_expr.
6314
6315 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
6316
6317         * modulo-sched.c (sms_schedule_by_order): Pass the actual
6318         schedulable rows to compute_split_row.
6319
6320 2009-03-31  Ben Elliston  <bje@au.ibm.com>
6321
6322         PR target/31635
6323         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
6324         OPT_mvrsave.
6325
6326 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
6327
6328         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
6329         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
6330         * configure: Regenerate.
6331         * config.in: Regenerate.
6332         * config/rs6000/rs6000.opt (mtls-markers): Add.
6333         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
6334         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
6335         (tls_ld_aix, tls_ld_sysv): Likewise.
6336         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
6337         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
6338
6339 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
6340
6341         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
6342
6343 2009-03-30  Jan Hubicka  <jh@suse.cz>
6344
6345         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
6346         out of RESX.
6347         (tree_remove_unreachable_handlers): Cleanup EH predecestor
6348         detection and label handling.
6349
6350 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6351
6352         * ira-int.h (ira_allocno): Rename left_conflicts_num to
6353         left_conflicts_size.
6354         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
6355         ALLOCNO_LEFT_CONFLICTS_SIZE.
6356
6357         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
6358         remove_allocno_from_bucket_and_push,
6359         allocno_spill_priority_compare, push_allocnos_to_stack,
6360         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
6361         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
6362         (setup_allocno_left_conflicts_num): Ditto.  Rename to
6363         setup_allocno_left_conflicts_size.
6364         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
6365         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
6366         setup_allocno_left_conflicts_size instead of
6367         setup_allocno_left_conflicts_num.
6368
6369         * ira-build.c (ira_create_allocno): Use
6370         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
6371         ALLOCNO_LEFT_CONFLICTS_NUM.
6372
6373 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6374
6375         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
6376         instead of DF_LR_OUT.
6377
6378         * ira-lives.c (process_bb_node_lives): Ditto.
6379
6380         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
6381         instead of DF_LR_{OUT,IN}.
6382
6383         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
6384
6385         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
6386
6387 2009-03-30  Jan Hubicka  <jh@suse.cz>
6388
6389         * except.c (label_to_region_map): Fix thinko.
6390
6391 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
6392
6393         PR middle-end/38237
6394         * tree.h (tree_find_value): New declaration.
6395         * tree.c (tree_find_value): New function.
6396         * varasm.c (assemble_external): Avoid duplicate entries on lists.
6397
6398 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
6399
6400         PR debug/39563
6401         * c-decl.c (struct c_binding): Add locus field.
6402         (bind): Add locus argument, set locus field from it.
6403         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
6404         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
6405         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
6406         implicitly_declare, undeclared_variable, lookup_label,
6407         declare_label, c_make_fname_decl, c_builtin_function,
6408         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
6409         bind callers.
6410
6411 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
6412
6413         PR target/38781
6414         * config/i386/i386.c (classify_argument): Check total size of
6415         structure.
6416
6417 2009-03-30  Martin Jambor  <mjambor@suse.cz>
6418
6419         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
6420         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
6421         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
6422         respectively.
6423
6424         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
6425         seen_variable_array_ref while also traversing a union.
6426
6427         * tree-inline.c (optimize_inline_calls): Do not call
6428         cgraph_node_remove_callees.
6429         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
6430         (pass_remove_cgraph_callee_edges): New variable.
6431         * passes.c (init_optimization_passes): Add
6432         pass_remove_cgraph_callee_edges after early inlining and before all
6433         late intraprocedural passes.
6434
6435         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
6436
6437 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6438
6439         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
6440         Fix typos in names.
6441
6442 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6443
6444         * combine.c (simplify_comparison): Use have_insn_for.
6445         * dojump.c (do_jump): Likewise.
6446
6447 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6448
6449         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
6450         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
6451         sparc_compare_op0 like sparc_compare_emitted used to be handled.
6452         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
6453         instead of sparc_compare_emitted.
6454         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
6455         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
6456         instead of sparc_compare_emitted.
6457
6458 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6459
6460         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
6461         enter/exit cfglayout mode.
6462         (pass_partition_block): Require it.
6463         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
6464         (combine_instructions): Track basic blocks instead of labels.
6465         (update_cfg_for_uncondjump): New.
6466         (try_combine): Use it.  Update jumps after rescanning.
6467         (pass_combine): Require PROP_cfglayout.
6468         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
6469
6470 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6471
6472         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
6473         Provide/destroy PROP_cfglayout respectively.
6474         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
6475         * tree-pass.h (PROP_cfglayout): New.
6476
6477 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6478
6479         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
6480         fold_convert_const_fixed_from_fixed,
6481         fold_convert_const_fixed_from_int,
6482         fold_convert_const_fixed_from_real, fold_negate_const): Do not
6483         set TREE_CONSTANT_OVERFLOW.
6484         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
6485         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
6486
6487 2009-03-30  Ira Rosen  <irar@il.ibm.com>
6488
6489         * tree-vect-loop-manip.c: New file.
6490         * tree-vectorizer.c: Update documentation and included files.
6491         (vect_loop_location): Make extern.
6492         (rename_use_op): Move to tree-vect-loop-manip.c
6493         (rename_variables_in_bb, rename_variables_in_loop,
6494         slpeel_update_phis_for_duplicate_loop,
6495         slpeel_update_phi_nodes_for_guard1,
6496         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
6497         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
6498         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
6499         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
6500         find_loop_location): Likewise.
6501         (new_stmt_vec_info): Move to tree-vect-stmts.c.
6502         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
6503         get_vectype_for_scalar_type, vect_is_simple_use,
6504         supportable_widening_operation, supportable_narrowing_operation):
6505         Likewise.
6506         (bb_in_loop_p): Move to tree-vect-loop.c.
6507         (new_loop_vec_info, destroy_loop_vec_info,
6508         reduction_code_for_scalar_code, report_vect_op,
6509         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
6510         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
6511         (vect_supportable_dr_alignment): Likewise.
6512         * tree-vectorizer.h (tree-data-ref.h): Include.
6513         (vect_loop_location): Declare.
6514         Reorganize function declarations according to the new file structure.
6515         * tree-vect-loop.c: New file.
6516         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
6517         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
6518         * tree-vect-data-refs.c: New file.
6519         * tree-vect-patterns.c (timevar.h): Don't include.
6520         * tree-vect-stmts.c: New file.
6521         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
6522         tree-vect-slp.c, tree-vect-loop.c.
6523         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
6524         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
6525         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
6526         (tree-vect-analyze.o): Remove.
6527         (tree-vect-transform.o): Likewise.
6528         (tree-vect-data-refs.o): Add rule.
6529         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
6530         tree-vect-slp.o): Likewise.
6531         (tree-vect-patterns.o): Remove redundant dependencies.
6532         (tree-vectorizer.o): Likewise.
6533         * tree-vect-slp.c: New file.
6534
6535 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6536
6537         * optc-gen.awk: Warn if an option flag has multiple different
6538         help strings.
6539
6540 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
6541
6542         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
6543         -floop-block): Document dependences on PPL, CLooG and Graphite.
6544
6545 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
6546
6547         PR rtl-optimization/323
6548         * c-common.c (c_fully_fold, convert_and_check,
6549         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
6550         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
6551         * c-common.def (EXCESS_PRECISION_EXPR): New.
6552         * c-cppbuiltin.c (builtin_define_float_constants): Define
6553         constants with enough digits for long double.
6554         * c-lex.c (interpret_float): Interpret constant with excess
6555         precision where appropriate.
6556         * c-opts.c (c_common_post_options): Set
6557         flag_excess_precision_cmdline.  Give an error for
6558         -fexcess-precision=standard for C++ for processors where the
6559         option is significant.
6560         * c-parser.c (c_parser_conditional_expression): Handle excess
6561         precision in condition.
6562         * c-typeck.c (convert_arguments): Handle arguments with excess
6563         precision.
6564         (build_unary_op): Move excess precision outside operation.
6565         (build_conditional_expr): Likewise.
6566         (build_compound_expr): Likewise.
6567         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
6568         (build_modify_expr): Handle excess precision in RHS.
6569         (convert_for_assignment): Handle excess precision in converted
6570         value.
6571         (digest_init, output_init_element, process_init_element): Handle
6572         excess precision in initializer.
6573         (c_finish_return): Handle excess precision in return value.
6574         (build_binary_op): Handle excess precision in operands and add
6575         excess precision as needed for operation.
6576         * common.opt (-fexcess-precision=): New option.
6577         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
6578         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
6579         For standard excess precision, output explicit conversion to and
6580         truncation from XFmode.
6581         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
6582         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
6583         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
6584         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
6585         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
6586         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
6587         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
6588         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
6589         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
6590         define_splits, sqrt<mode>2): Disable where appropriate for
6591         standard excess precision.
6592         * convert.c (convert_to_real): Do not shorten arithmetic to type
6593         for which excess precision would be used.
6594         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
6595         * doc/invoke.texi (-fexcess-precision=): Document option.
6596         (-mfpmath=): Correct index entry.
6597         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
6598         flag_excess_precision): New.
6599         * langhooks.c (lhd_post_options): Set
6600         flag_excess_precision_cmdline.
6601         * opts.c (common_handle_option): Handle -fexcess-precision=.
6602         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
6603         init_excess_precision): New.
6604         (lang_dependent_init_target): Call init_excess_precision.
6605         * tree.c (excess_precision_type): New.
6606         * tree.h (excess_precision_type): Declare.
6607
6608 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
6609
6610         PR c/35235
6611         * c-typeck.c (build_component_ref): Do not copy qualifiers from
6612         non-lvalue to component.
6613
6614 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
6615
6616         PR preprocessor/34695
6617         * Makefile.in (c-opts.o): Depend on c-tree.h.
6618         * c-common.c: Move down include of diagnostic.h.
6619         (done_lexing, c_cpp_error): New.
6620         * c-common.h (done_lexing): Declare.
6621         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
6622         (parse_in).
6623         * c-opts.c: Include c-tree.h.
6624         (c_common_init_options): Set preprocessor error callback.
6625         (c_common_handle_option): Do not set preprocessor
6626         inhibit_warnings, warnings_are_errors, warn_system_headers,
6627         pedantic_errors or inhibit_warnings flags.
6628         (c_common_post_options): Do not check cpp_errors (parse_in).
6629         (c_common_finish): Do not output dependencies if there were
6630         errors.  Do not check return value of cpp_finish.
6631         * c-ppoutput.c (pp_file_change): Set input_location.
6632         * c-tree.h (c_cpp_error): Declare.
6633         * diagnostic.c (diagnostic_set_info_translated): Also initialize
6634         override_column.
6635         (diagnostic_build_prefix): Check override_column.
6636         * diagnostic.h (diagnostic_info): Add override_column field.
6637         (diagnostic_override_column): Define.
6638
6639 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
6640
6641         * c-common.c (c_expand_expr, c_staticp): Remove.
6642         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
6643         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
6644         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
6645         * c-gimplify.c (gimplify_compound_literal_expr,
6646         optimize_compound_literals_in_ctor): Remove.
6647         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
6648         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
6649         * c-semantics.c (emit_local_var): Remove.
6650
6651         * langhooks-def.h (lhd_expand_expr): Remove.
6652         * langhooks.c (lhd_expand_expr): Remove.
6653         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
6654
6655         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
6656         handling from c-semantics.c; don't call into langhook.
6657         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
6658         * gimplify.c (gimplify_compound_literal_expr,
6659         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
6660         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
6661         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
6662         as was done in c-gimplify.c.
6663         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
6664         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
6665         Move from c-common.h.
6666         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
6667
6668         * tree.c (staticp): Do not call langhook.
6669         * langhooks.c (lhd_staticp): Delete.
6670         * langhooks-def.h (lhd_staticp): Delete prototype.
6671         (LANG_HOOKS_STATICP): Delete.
6672         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
6673
6674         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
6675         instead of DECL_STMTs.
6676
6677 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
6678
6679         PR c/456
6680         PR c/5675
6681         PR c/19976
6682         PR c/29116
6683         PR c/31871
6684         PR c/35198
6685         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
6686         void_type_node.
6687         (fold_call_expr): Return a NOP_EXPR from folding rather than the
6688         contained expression.
6689         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
6690         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
6691         conditional expressions for C.
6692         (decl_constant_value_for_optimization): Move from
6693         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
6694         whether optimizing and that the expression is a VAR_DECL not of
6695         array type instead of doing such checks in the caller.  Do not
6696         check pedantic.  Call gcc_unreachable for C++.
6697         * c-common.def (C_MAYBE_CONST_EXPR): New.
6698         * c-common.h (c_fully_fold, c_save_expr,
6699         decl_constant_value_for_optimization): New prototypes.
6700         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
6701         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
6702         EXPR_INT_CONST_OPERANDS): Define.
6703         * c-convert.c (convert): Strip nops from expression.
6704         * c-decl.c (groktypename): Take extra parameters expr and
6705         expr_const_operands.  Update call to grokdeclarator.
6706         (start_decl): Update call to grokdeclarator.  Add statement for
6707         expressions used in type of decl.
6708         (grokparm): Update call to grokdeclarator.
6709         (push_parm_decl): Update call to grokdeclarator.
6710         (build_compound_literal): Add parameter non_const and build a
6711         C_MAYBE_COSNT_EXPR if applicable.
6712         (grokdeclarator): Take extra parameters expr and
6713         expr_const_operands.  Track expressions used in declaration
6714         specifiers and declarators.  Fold array sizes and track whether
6715         they are constant expressions and whether they are integer
6716         constant expressions.
6717         (parser_xref_tag): Set expr and expr_const_operands fields in
6718         return value.
6719         (grokfield): Update call to grokdeclarator.
6720         (start_function): Update call to grokdeclarator.
6721         (build_null_declspecs): Set expr and expr_const_operands fields in
6722         return value.
6723         (declspecs_add_type): Handle expressions in typeof specifiers.
6724         * c-parser.c (c_parser_declspecs): Set expr and
6725         expr_const_operands fields for declaration specifiers.
6726         (c_parser_enum_specifier): Likewise.
6727         (c_parser_struct_or_union_specifier): Likewise.
6728         (c_parser_typeof_specifier): Likewise.  Update call to
6729         groktypename.  Fold expression as needed.  Return expressions with
6730         type instead of adding statements.
6731         (c_parser_attributes): Update calls to c_parser_expr_list.
6732         (c_parser_statement_after_labels): Fold expression before passing
6733         to objc_build_throw_stmt.
6734         (c_parser_condition): Fold expression.
6735         (c_parser_asm_operands): Fold expression.
6736         (c_parser_conditional_expression): Use c_save_expr.  Update call
6737         to build_conditional_expr.
6738         (c_parser_alignof_expression): Update call to groktypename.
6739         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
6740         original_code.  Fold expression argument of va_arg.  Create
6741         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
6742         argument to va_arg.  Update calls to groktypename.  Fold array
6743         index for offsetof.  Verify that first argument to
6744         __builtin_choose_expr has integer type.
6745         (c_parser_postfix_expression_after_paren_type): Update calls to
6746         groktypename and build_compound_literal.  Handle expressions with
6747         side effects in type name.
6748         (c_parser_postfix_expression_after_primary): Update call to
6749         c_parser_expr_list.  Set original_code for calls to
6750         __builtin_constant_p.
6751         (c_parser_expr_list): Take extra parameter fold_p.  Fold
6752         expressions if requested.
6753         (c_parser_objc_type_name): Update call to groktypename.
6754         (c_parser_objc_synchronized_statement): Fold expression.
6755         (c_parser_objc_receiver): Fold expression.
6756         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
6757         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
6758         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
6759         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
6760         (struct c_typespec): Add elements expr and expr_const_operands.
6761         (struct c_declspecs): Add elements expr and expr_const_operands.
6762         (groktypename, build_conditional_expr, build_compound_literal):
6763         Update prototypes.
6764         (in_late_binary_op): Declare.
6765         * c-typeck.c (note_integer_operands): New function.
6766         (in_late_binary_op): New variable.
6767         (decl_constant_value_for_broken_optimization): Move to c-common.c
6768         and rename to decl_constant_value_for_optimization.
6769         (default_function_array_conversion): Do not strip nops.
6770         (default_conversion): Do not call
6771         decl_constant_value_for_broken_optimization.
6772         (build_array_ref): Do not fold result.
6773         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
6774         result when operand is a VLA.
6775         (c_expr_sizeof_type): Update call to groktypename.  Handle
6776         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
6777         result when operand names a VLA type.
6778         (build_function_call): Update call to build_compound_literal.
6779         Only fold result for calls to __builtin_* functions.  Strip
6780         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
6781         the function designator.
6782         (convert_arguments): Fold arguments.  Update call to
6783         convert_for_assignment.
6784         (build_unary_op): Handle increment and decrement of
6785         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
6786         decrement earlier.  Fold operand of increment and decrement.
6787         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
6788         built for integer operand.  Wrap returns that are INTEGER_CSTs
6789         without being integer constant expressions or that have integer
6790         constant operands without being INTEGER_CSTs.
6791         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
6792         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
6793         result is an integer constant expression or can be used in
6794         unevaluated parts of one and avoid folding and wrap as
6795         appropriate.  Fold operands before possibly doing -Wsign-compare
6796         warnings.
6797         (build_compound_expr): Wrap result for C99 if operands can be used
6798         in integer constant expressions.
6799         (build_c_cast): Update call to digest_init.  Do not ignore
6800         overflow from casting floating-point constants to integers.  Wrap
6801         results that could be confused with integer constant expressions,
6802         null pointer constants or floating-point constants.
6803         (c_cast_expr): Update call to groktypename.  Handle expressions
6804         included in type name.
6805         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
6806         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
6807         Update calls to convert_for_assignment.
6808         (convert_for_assignment): Take new parameter
6809         null_pointer_constant.  Do not strip nops or call
6810         decl_constant_value_for_broken_optimization.  Set
6811         in_late_binary_op for conversions to boolean.
6812         (store_init_value): Update call to digest_init.
6813         (digest_init): Take new parameter null_pointer_constant.  Do not
6814         call decl_constant_value_for_broken_optimization.  pedwarn for
6815         initializers not constant expressions.  Update calls to
6816         convert_for_assignment.
6817         (constructor_nonconst): New.
6818         (struct constructor_stack): Add nonconst element.
6819         (really_start_incremental_init, push_init_level, pop_init_level):
6820         Handle constructor_nonconst and nonconst element.
6821         (set_init_index): Call constant_expression_warning for array
6822         designators.
6823         (output_init_element): Fold value.  Set constructor_nonconst as
6824         applicable.  pedwarn for initializers not constant expressions.
6825         Update call to digest_init.  Call constant_expression_warning
6826         where constant initializers are required.
6827         (process_init_element): Use c_save_expr.
6828         (c_finish_goto_ptr): Fold expression.
6829         (c_finish_return): Fold return value.  Update call to
6830         convert_for_assignment.
6831         (c_start_case): Fold switch expression.
6832         (c_process_expr_stmt): Fold expression.
6833         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
6834         ensure statement expression is not evaluated in constant expression.
6835         (build_binary_op): Track whether results are integer constant
6836         expressions or may occur in such, disable folding and wrap results
6837         as applicable.  Fold operands for -Wsign-compare warnings unless
6838         in_late_binary_op.
6839         (c_objc_common_truthvalue_conversion): Handle results folded to
6840         integer constants that are not integer constant expressions.
6841         * doc/extend.texi: Document when typeof operands are evaluated,
6842         that condition of __builtin_choose_expr is an integer constant
6843         expression, and more about use of __builtin_constant_p in
6844         initializers.
6845
6846 2009-03-29  Richard Guenther  <rguenther@suse.de>
6847
6848         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
6849         propagate addresses of array references.
6850
6851 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
6852
6853         * regmove.c (perhaps_ends_bb_p): Remove.
6854         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
6855         from INSN and check that the main loop stays within that basic block.
6856         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
6857         (regmove_forward_pass): Split out from regmove_optimize.  Use
6858         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
6859         (regmove_backward_pass): Split out from regmove_optimize.  Use
6860         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
6861         (regmove_optimize): Simplify.
6862
6863 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
6864
6865         PR target/39545
6866         * config/i386/i386.c (classify_argument): Ignore flexible array
6867         member in struct and warn ABI change.
6868
6869 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
6870
6871         * config/i386/i386-protos.h (ix86_agi_dependent): New.
6872
6873         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
6874         (ix86_adjust_cost): Updated.
6875
6876 2009-03-29  Jan Hubicka  <jh@suse.cz>
6877
6878         PR middle-end/28850
6879         * tree-pass.h (pass_cleanup_eh): New function.
6880         (remove_unreachable_regions): Break code handling RTL
6881         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
6882         that can not be reached by runtime.
6883         (can_be_reached_by_runtime): New function.
6884         (label_to_region_map): New function.
6885         (num_eh_regions): New function.
6886         (rtl_remove_unreachable_regions): New function.
6887         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
6888         (remove_eh_region): New function.
6889         * except.h: Include sbitmap and vecprim.
6890         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
6891         num_eh_regions): Declare.
6892         * passes.c (init_optimization_passes): Schedule cleanup_eh.
6893         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
6894         * tree-eh.c (tree_remove_unreachable_handlers): New function.
6895         (tree_empty_eh_handler_p): New function.
6896         (cleanup_empty_eh): New function.
6897         (cleanup_eh): New function.
6898         (pass_cleanup_eh): New function.
6899
6900 2009-03-29  Jan Hubicka  <jh@suse.cz>
6901
6902         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
6903         for removed regions.
6904
6905 2009-03-29  Jan Hubicka  <jh@suse.cz>
6906
6907         * except.c (dump_eh_tree): Dump all datastructures.
6908
6909 2009-03-29  Jan Hubicka  <jh@suse.cz>
6910
6911         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
6912         (duplicate_eh_regions_1): Likewise.
6913         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
6914         vector; call EH verification.
6915         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
6916         Be ready for region being removed.
6917
6918 2009-03-29  Jan Hubicka  <jh@suse.cz>
6919
6920         * bitmap.c (bitmap_last_set_bit): New function.
6921         * bitmap.h (bitmap_last_set_bit): Declare.
6922
6923 2009-03-29  David Ayers  <ayers@fsfe.org>
6924
6925         PR objc/27377
6926         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
6927         by calling objc_compare_types and surpress warnings about
6928         incompatible C pointers that are compatible ObjC pointers.
6929
6930 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
6931
6932         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
6933         call initialize_inline_failed.
6934         (initialize_inline_failed): Move it from here ...
6935         * cgraph.c (initialize_inline_failed): ... to here.
6936         (cgraph_create_edge): Call initialize_inline_failed rather than
6937         setting inline_failed directly.
6938
6939 2009-03-29  Ben Elliston  <bje@au.ibm.com>
6940
6941         PR target/32542
6942         * sysv4.opt (msdata): Improve comment.
6943         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
6944         * sysv4.h (SVR4_ASM_SPEC): Likewise.
6945
6946 2009-03-29  Ben Elliston  <bje@au.ibm.com>
6947
6948         PR target/30451
6949         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
6950         load and store attributes.
6951
6952 2009-03-29  Ben Elliston  <bje@au.ibm.com>
6953
6954         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
6955         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
6956         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
6957         * doc/extend.texi (X86 Built-in Functions): Add index entries for
6958         __builtin_infq and __builtin_huge_valq.
6959
6960 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
6961
6962         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
6963         atmega8m1 devices.
6964         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6965         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
6966
6967 2009-03-28  Xinliang David Li  <davidxl@google.com>
6968
6969         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
6970         (do_dbg_cnt): New function.
6971
6972 2009-03-28  Jan Hubicka  <jh@suse.cz>
6973
6974         Merge from pretty-ipa:
6975
6976         2009-03-27  Jan Hubicka  <jh@suse.cz>
6977
6978         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
6979         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
6980         * passes.c (function_called_by_processed_nodes_p): New.
6981         * ipa-pure-const.c (check_call): Fix handling of operands.
6982         (analyze_function): Dump debug output for skipped bodies.
6983         (local_pure_const): Use function_called_by_processed_nodes_p.
6984         * dwarf2out.c (reference_to_unused): Use output.
6985         * passes.c (do_per_function_toporder): Likewise.
6986
6987         2008-11-12  Jan Hubicka  <jh@suse.cz>
6988
6989         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
6990         * ipa-pure-const.c (funct_state_d): Add can throw field; make
6991         state_set_in_source enum
6992         (check_decl): Ignore memory tags; do not set fake looping flags;
6993         dump diagnostics.
6994         (check_operand, check_tree, check_rhs_var, check_lhs_var,
6995         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
6996         (check_call, analyze_function): Rewrite.
6997         (check_stmt): New.
6998         (add_new_function): Update call of analyze_function.
6999         (generate_summary): Add call of analyze_function.
7000         (propagate): Propagate can_throw; handle state_set_in_source correctly.
7001         (local_pure_const): New function.
7002         (pass_local_pure_const): New pass.
7003         * ipa-inline.c (inline_transform): Set after_inlining.
7004         * tree-eh.c (stmt_can_throw_external): New.
7005         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
7006         work with aliasing built.
7007         * tree-flow.h (stmt_can_throw_external): New.
7008         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
7009         and local pure/const pass in early and late optimization queue.
7010
7011 2009-03-28  Martin Jambor  <mjambor@suse.cz>
7012
7013         * fold-const.c (get_pointer_modulus_and_residue): New parameter
7014         allow_func_align.
7015         (fold_binary): Allow function decl aligment consideration is the
7016         second argument is integer constant one.
7017         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
7018         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
7019         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
7020
7021 2009-03-28  Jan Hubicka  <jh@suse.cz>
7022
7023         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
7024         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
7025         * function.h (rtl_data): Add nothrow flag.
7026         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
7027         set DECL_NOTHROW for AVAILABLE functions.
7028
7029 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
7030
7031         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
7032         following vector keyword has expansion starting with pixel or bool
7033         keyword, expand vector to __vector and pixel or bool to __pixel or
7034         __bool.
7035
7036         PR c++/39554
7037         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
7038         warn_if_disallowed_function_p): Removed.
7039         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
7040         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
7041         warning_if_disallowed_function_p.
7042         * flags.h (warn_if_disallowed_function_p,
7043         warn_disallowed_functions): Removed.
7044         * common.opt (Wdisallowed-function-list=): Removed.
7045         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
7046
7047 2009-03-28  Richard Guenther  <rguenther@suse.de>
7048
7049         PR tree-optimization/38723
7050         * tree-ssa-pre.c (compute_avail): Add all default definitions to
7051         the entry block.
7052
7053 2009-03-28  Jan Hubicka  <jh@suse.cz>
7054
7055         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
7056         test introduced by my previous patch.
7057
7058 2009-03-28  Richard Guenther  <rguenther@suse.de>
7059
7060         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
7061         the PHIs value undefined.
7062
7063 2009-03-28  Jan Hubicka  <jh@suse.cz>
7064
7065         * tree-pass.h (pass_fixup_cfg): New pass.
7066         * ipa-inline.c (inline_transform): Set
7067         always_inline_functions_inlined/after_inlining.
7068         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
7069         (pass_fixup_cfg): New pass.
7070         * passes.c (init_optimization_passes): Add fixup_cfg.
7071
7072 2009-03-28  Richard Guenther  <rguenther@suse.de>
7073
7074         PR tree-optimization/38458
7075         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
7076         argument use the arguments copy-of value.
7077
7078 2009-03-28  Richard Guenther  <rguenther@suse.de>
7079
7080         PR tree-optimization/38180
7081         * tree-ssa-ccp.c (get_default_value): Simplify.
7082         (likely_value): Likewise.
7083         (surely_varying_stmt_p): Properly handle VOP case.
7084         (ccp_initialize): Likewise.
7085         (ccp_fold): Handle propagating through *&.
7086         (fold_const_aggregate_ref): Also handle decls.
7087
7088 2009-03-28  Jan Hubicka  <jh@suse.cz>
7089
7090         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
7091         * cgraph.h (cgraph_node): Likewise.
7092         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
7093         (cgraph_reset_node): Use process flag.
7094         (cgraph_mark_functions_to_output): Likewise.
7095         (cgraph_expand_function): Likewise.
7096         (cgraph_expand_all_functions): Likewise.
7097         (cgraph_output_in_order): Likewise.
7098         * dwarf2out.c (reference_to_unused): Likewise.
7099         * passes.c do_per_function_toporder): Likewise.
7100
7101 2009-03-28  Jan Hubicka  <jh@suse.cz>
7102
7103         Bring from lto-branch:
7104
7105         2008-09-03  Doug Kwan  <dougkwan@google.com>
7106
7107         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
7108         enums instead of reason strings.
7109         * cgraph.c (cgraph_create_edge): Same.
7110         (cgraph_inline_failed_string): New function.
7111         * cgraph.h (cgraph_inline_failed_t): New enum type.
7112         (cgraph_inline_failed_string): New prototype.
7113         (struct cgraph_edge): Change type of INLINED_FAILED from constant
7114         char pointer to cgraph_inline_failed_t.
7115         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
7116         (cgraph_default_inline_p): Ditto.
7117         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
7118         to cgraph_inline_failed_t pointer.
7119         * cif-code.def: New file.
7120         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
7121         reason string.
7122         (cgraph_check_inline_limits): Change type of REASON to pointer to
7123         cgraph_inline_failed_t.  Replace reason strings with enums.
7124         (cgraph_default_inline_p): Ditto.
7125         (cgraph_recursive_inlining_p): Ditto.
7126         (update_caller_keys): Change type of FAILED_REASON to
7127         cgraph_inline_failed_t.
7128         (cgraph_set_inline_failed): Change type of REASON to pointer to
7129         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
7130         convert enums to strings for text output.
7131         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
7132         to be of type cgraph_inline_failed_t.  Replace reason strings with
7133         enums.  Call cgraph_inline_failed_string to covert enums
7134         to strings for text output.
7135         (cgraph_decide_inlining): Replace reason strings with enums.
7136         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
7137         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
7138         for text output.
7139         * tree-inline.c (expand_call_inline): Change type of REASON
7140         to cgraph_inline_failed_t.  Replace reason strings with enums.
7141         Call cgraph_inline_failed_string for text output.
7142         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
7143         (cgraph.o): Ditto.
7144
7145 2009-03-28  Jan Hubicka  <jh@suse.cz>
7146
7147         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
7148         cgraph_clone_node): Remove master clone handling.
7149         (cgraph_is_master_clone, cgraph_master_clone): Remove.
7150         * cgraph.h (master_clone): Remove.
7151         (cgraph_is_master_clone, cgraph_master_clone): Remove.
7152         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
7153         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
7154
7155 2009-03-28  Jan Hubicka  <jh@suse.cz>
7156
7157         * cgraph.c (cgraph_function_body_availability): Functions declared
7158         inline are always safe to assume that it is not going to be replaced.
7159
7160 2009-03-28  Richard Guenther  <rguenther@suse.de>
7161
7162         PR tree-optimization/38513
7163         * tree-ssa-pre.c (eliminate): Remove redundant stores.
7164         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
7165         EXC_PTR_EXPR and FILTER_EXPR.
7166         (get_ref_from_reference_ops): Likewise.
7167
7168 2009-03-28  Richard Guenther  <rguenther@suse.de>
7169
7170         PR tree-optimization/38968
7171         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
7172         Use FLOOR_MOD_EXPR to compute misalignment.
7173
7174 2009-03-28  Richard Guenther  <rguenther@suse.de>
7175
7176         PR tree-optimization/37795
7177         * tree.h (combine_comparisons): Declare.
7178         * fold-const.c (combine_comparisons): Export.
7179         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
7180         comparisons.
7181         (ifcombine_iforif): Use combine_comparisons.
7182
7183 2009-03-28  Jan Hubicka  <jh@suse.cz>
7184
7185         * tree-eh.c (inlinable_call_p): New function.
7186         (make_eh_edges): Use it.
7187         (verify_eh_edges): Use it.
7188         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
7189         * except.c (reachable_next_level): Add inlinable_function argument
7190         (sjlj_find_directly_reachable_regions): Update.
7191         (add_reachable_handler): Do not set saw_any_handlers.
7192         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
7193         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
7194         Add new inlinable call parameter.
7195         (can_throw_internal, can_throw_external): Update.
7196         * except.h (can_throw_internal_1, can_throw_external_1,
7197         foreach_reachable_handler): Update declaration.
7198
7199 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
7200
7201         * config/arm/t-arm-coff, config/h8300/coff.h,
7202         config/i386/i386-aout.h, config/i386/i386-coff.h,
7203         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
7204         config/pdp11/2bsd.h, config/rs6000/aix41.h,
7205         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
7206         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
7207         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
7208         sys-types.h: Remove.
7209         * Makefile.in: Remove protoize and fixproto support and references
7210         in comments.
7211         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
7212         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
7213         Remove.
7214         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
7215         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
7216         unprotoize$(exeext).
7217         (rest.encap): Don't depend on $(STMP_FIXPROTO)
7218         (.PHONY): Don't depend on proto.
7219         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
7220         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
7221         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
7222         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
7223         build/gen-protos.o, build/scan.o, xsys-protos.h,
7224         build/fix-header$(build_exeext), build/fix-header.o,
7225         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
7226         stmp-install-fixproto): Remove.
7227         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
7228         SYSCALLS.c or fixproto files.
7229         (install-common): Don't install protoize.
7230         (install-headers-tar, install-headers-cpio, install-headers-cp):
7231         Don't depend on $(STMP_FIXPROTO).
7232         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
7233         install fixproto files or write out fixproto settings.
7234         (uninstall): Don't uninstall protoize.
7235         * config.gcc (use_fixproto): Remove.
7236         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
7237         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
7238         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
7239         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
7240         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
7241         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
7242         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
7243         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
7244         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
7245         * config/t-vxworks (STMP_FIXPROTO): Remove.
7246         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
7247         STMP_FIXPROTO): Remove.
7248         * config.in, configure: Regenerate.
7249         * crtstuff.c (gid_t, uid_t): Don't undefine.
7250         * doc/install.texi: Change m68k-coff to m68k-elf in example.
7251         (arm-*-coff, arm-*-aout: Remove target entries.
7252         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
7253         Remove mention of AIX 4.1.
7254         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
7255         * doc/invoke.texi (Running Protoize): Remove.
7256         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
7257         (Protoize Caveats): Remove.
7258         * tsystem.h: Update comments on headers assumed to exist.
7259
7260 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
7261
7262         * genautomata.c: Add a new year to the copyright.  Add a new
7263         reference.
7264         (struct insn_reserv_decl): Add comments for member bypass_list.
7265         (find_bypass): Remove.
7266         (insert_bypass): New.
7267         (process_decls): Use insert_bypass.
7268         (output_internal_insn_latency_func): Output all bypasses with the
7269         same input insn in one switch case.
7270
7271         * rtl.def (define_bypass): Describe bypass choice.
7272         * doc/md.texi (define_bypass): Ditto.
7273
7274 2009-03-27  Richard Guenther  <rguenther@suse.de>
7275
7276         * gimplify.c (mark_addressable): Export.
7277         * tree-flow.h (mark_addressable): Declare.
7278         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
7279         * tree-ssa.c (verify_phi_args): Verify that address taken
7280         variables have TREE_ADDRESSABLE set.
7281
7282 2009-03-27  Richard Guenther  <rguenther@suse.de>
7283
7284         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
7285         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
7286         Do not mark decls TREE_ADDRESSABLE.
7287         (build_fold_addr_expr): Adjust.
7288         (fold_addr_expr): Remove.
7289         (fold_unary): Use build_fold_addr_expr.
7290         (fold_comparison): Likewise.
7291         (split_address_to_core_and_offset): Likewise.
7292         * coverage.c (tree_coverage_counter_addr): Mark the array decl
7293         TREE_ADDRESSABLE.
7294         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
7295         (gimplify_modify_expr_to_memcpy): Mark source and destination
7296         addressable.
7297         * omp-low.c (create_omp_child_function): Mark the object decl
7298         TREE_ADDRESSABLE.
7299         (lower_rec_input_clauses): Mark the var we take the address of
7300         TREE_ADDRESSABLE.
7301         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
7302
7303 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7304
7305         PR middle-end/39315
7306         * cfgexpand.c (expand_one_stack_var_at): Change alignment
7307         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
7308
7309 2009-03-27  Richard Guenther  <rguenther@suse.de>
7310
7311         PR tree-optimization/39120
7312         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
7313         constraints.
7314         (handle_lhs_call): Process return constraints.  Add escape
7315         constraints if necessary.
7316         (handle_const_call): Fill out return constraints.  Make nested
7317         case more precise.  Avoid consttmp if possible.
7318         (handle_pure_call): Fill out return constraints.  Avoid
7319         callused if possible.
7320         (find_func_aliases): Simplify call handling.
7321
7322 2009-03-27  Richard Guenther  <rguenther@suse.de>
7323
7324         PR tree-optimization/39120
7325         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
7326         as a representative.
7327         (solve_graph): Do propagate CALLUSED.
7328         (handle_pure_call): Use a scalar constraint from CALLUSED for
7329         the return value.
7330         (find_what_p_points_to): CALLUSED shall not appear in poins-to
7331         solutions.
7332
7333 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7334
7335         PR c/39323
7336         * c-common.c (handle_aligned_attribute): Properly check alignment
7337         overflow.  Use (1U << i) instead of (1 << i).
7338
7339         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
7340
7341         * expr.h (get_mem_align_offset): Updated.
7342
7343         * tree.h (tree_decl_common): Change align to "unsigned int" and
7344         move it before pointer_alias_set.
7345
7346 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7347             Jakub Jelinek  <jakub@redhat.com>
7348
7349         PR target/38034
7350         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
7351         gr_register_operand with gr_reg_or_0_operand.
7352         (cmpxchg_rel_di): Likewise.
7353         (sync_lock_test_and_set<mode>): Likewise.
7354
7355 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7356
7357         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
7358         (true_regnum): Likewise.
7359
7360         * rtlanal.c (subreg_info): Moved to ...
7361         * rtl.h (subreg_info): Here.  New.
7362         (subreg_get_info): New.
7363
7364         * rtlanal.c (subreg_get_info): Make it extern.
7365
7366 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7367
7368         PR target/39472
7369         * config/i386/i386.c (ix86_abi): New.
7370         (override_options): Handle -mabi=.
7371         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
7372         (ix86_call_abi_override): Likewise.
7373         (init_cumulative_args): Likewise.
7374         (function_arg_advance): Likewise.
7375         (function_arg_64): Likewise.
7376         (function_arg): Likewise.
7377         (ix86_pass_by_reference): Likewise.
7378         (ix86_function_value_regno_p): Likewise.
7379         (ix86_build_builtin_va_list_abi): Likewise.
7380         (setup_incoming_varargs_64): Likewise.
7381         (is_va_list_char_pointer): Likewise.
7382         (ix86_init_machine_status): Likewise.
7383         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
7384         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
7385         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
7386         (ix86_function_abi): Make it static and return enum calling_abi.
7387         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
7388         with ix86_abi.
7389         (ix86_fn_abi_va_list): Updated.
7390
7391         * config/i386/i386.h (ix86_abi): New.
7392         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
7393         (CONDITIONAL_REGISTER_USAGE): Likewise.
7394         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
7395         (machine_function): Likewise.
7396
7397         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
7398         with ix86_abi.
7399         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
7400         (STACK_BOUNDARY): Likewise.
7401         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
7402
7403         * config/i386/i386.opt (mabi=): New.
7404
7405         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
7406         return enum calling_abi.
7407         (ix86_function_type_abi): Likewise.
7408         (ix86_function_abi): Removed.
7409
7410         * doc/invoke.texi: Document -mabi= option for x86.
7411
7412 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7413
7414         * builtins.c (real_dconstp): Delete.
7415         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
7416
7417 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
7418             Jakub Jelinek  <jakub@redhat.com>
7419
7420         PR debug/37959
7421         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
7422         (gen_subprogram_die): When a function is explicit, generate the
7423         DW_AT_explicit attribute.
7424         * langhooks.h (struct lang_hooks_for_decls): Add
7425         function_decl_explicit_p langhook.
7426         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
7427         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
7428
7429 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
7430
7431         * builtins.c (fold_builtin_memory_op): Optimize memmove
7432         into memcpy if we can prove source and destination don't overlap.
7433
7434         * tree-inline.c: Include gt-tree-inline.h.
7435         (clone_fn_id_num): New variable.
7436         (clone_function_name): New function.
7437         (tree_function_versioning): Use it.
7438         * Makefile.in (GTFILES): Add tree-inline.c.
7439
7440 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
7441
7442         * BASE-VER: Change to 4.5.0.
7443
7444 2009-03-27  Xinliang David Li  <davidxl@google.com>
7445
7446         PR tree-optimization/39557
7447         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
7448
7449 2009-03-27  Xinliang David Li  <davidxl@google.com>
7450
7451         PR tree-optimization/39548
7452         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
7453         candidate check.
7454
7455 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7456
7457         * c-common.c (pointer_int_sum): Use %wd on return from
7458         tree_low_cst.
7459
7460 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7461
7462         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
7463         on return from tree_low_cst.
7464
7465 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7466
7467         PR c++/36799
7468         * ginclude/stdarg.h (va_copy): Define also for
7469         __GXX_EXPERIMENTAL_CXX0X__.
7470
7471 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7472
7473         PR c++/35652
7474         * builtins.h (c_strlen): Do not warn here.
7475         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
7476         * c-common.c (pointer_int_sum): Take an explicit location.
7477         Warn about offsets out of bounds.
7478         * c-common.h (pointer_int_sum): Adjust declaration.
7479
7480 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7481
7482         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
7483         markup glitch.
7484
7485 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
7486
7487         PR c++/39554
7488         * opts.c (warn_if_disallowed_function_p): Don't assume
7489         get_callee_fndecl must return non-NULL.
7490
7491 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
7492
7493         PR rtl-optimization/39522
7494         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
7495         when reg_reloaded_valid is set.
7496
7497 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7498
7499         * config/spu/divv2df3.c: New file.
7500         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
7501         (DPBIT_FUNCS): Filter out _div_df.
7502
7503 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
7504
7505         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
7506         a jump insn, count that jump in the distance to the loop start.
7507
7508 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
7509
7510         PR target/39523
7511         * config/sh/sh.c (calc_live_regs): Fix condition for global
7512         registers except PIC_OFFSET_TABLE_REGNUM.
7513
7514 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
7515
7516         PR/39518
7517         * doc/invoke.texi (-mconsole): New.
7518         (-mcygwin): New.
7519         (-mno-cygwin): New.
7520         (-mdll): New.
7521         (-mnop-fun-dllimport): New.
7522         (-mthread): New.
7523         (-mwin32): New.
7524         (-mwindows): New.
7525         (sub section "i386 and x86-64 Windows Options"): New.
7526
7527 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
7528
7529         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
7530         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
7531
7532 2009-03-25  Richard Guenther  <rguenther@suse.de>
7533
7534         PR middle-end/39497
7535         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
7536         of -Wno-error.
7537
7538 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
7539
7540         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
7541         neither of haifa/selective schedulers are working.
7542
7543 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7544
7545         * doc/invoke.texi (Debugging Options): Fix description of
7546         -fno-merge-debug-strings.
7547
7548 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
7549
7550         * config/cris/libgcc.ver: New version-script.
7551         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
7552
7553         * configure.ac <GAS features, nop mnemonic>: Add pattern
7554         crisv32-*-* for "nop".
7555         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
7556         * configure: Regenerate.
7557
7558 2009-03-24  Ira Rosen  <irar@il.ibm.com>
7559
7560         PR tree-optimization/39529
7561         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
7562         mark_sym_for_renaming for the tag copied to the new vector
7563         pointer.
7564
7565 2009-03-24  Arthur Loiret  <aloiret@debian.org>
7566
7567         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
7568         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
7569         EXTRA_SPEC_FUNCTIONS.
7570         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
7571         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
7572         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
7573         -march and -mtune options.
7574
7575 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
7576
7577         * config/m68k/t-rtems: Add m5329 multilib.
7578
7579 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
7580             Jakub Jelinek  <jakub@redhat.com>
7581
7582         PR debug/39524
7583         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
7584         nodes.
7585
7586 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
7587
7588         PR c/39495
7589         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
7590         instead of c_parser_expression_conv, if original_code isn't one of the
7591         4 allowed comparison codes, fail.
7592
7593 2009-03-23  Richard Guenther  <rguenther@suse.de>
7594
7595         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
7596         * tree.h (struct tree_type): Likewise.
7597         * reload.h (struct insn_chain): Likewise.
7598         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
7599         * function.h (struct function): Likewise.
7600         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
7601
7602 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
7603
7604         PR tree-optimization/39516
7605         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
7606
7607 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
7608
7609         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
7610         should be set true if BITS_PER_WORD of target is bigger than 32
7611
7612 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
7613
7614         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
7615         Translate -B-options to -rpath-link.  Correct existing
7616         rpath-link and conditionalize on !nostdlib.
7617
7618 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7619
7620         * doc/extend.texi (Function Attributes, Variable Attributes):
7621         Fix typos.
7622         * doc/invoke.texi (Debugging Options, Optimize Options)
7623         (i386 and x86-64 Options, MCore Options): Likewise.
7624
7625 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
7626
7627         PR debug/37890
7628         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
7629         it for block local namespace aliases.
7630         (gen_decl_die): Pass context_die to gen_namespace_die.
7631
7632 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
7633
7634         PR c/39495
7635         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
7636         minimum or maximum value.
7637
7638 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
7639
7640         * reginfo.c (globalize_reg): Recompute derived reg sets.
7641
7642 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
7643
7644         PR target/39063
7645         * libgcc2.c (mprotect): Do not use signed arguments for
7646         VirtualProtect, use DWORD arguments.  Also fix the 'may
7647         be used uninitialized' warning for the np variable.
7648
7649 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
7650
7651         PR target/39496
7652         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
7653         functions using regparm calling conventions when not optimizing.
7654         (ix86_function_sseregparm): Similarly for sseregparm calling
7655         conventions.
7656
7657 2009-03-19  Li Feng  <nemokingdom@gmail.com>
7658
7659         PR middle-end/39500
7660         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
7661         dependence if the first conflict is after niter iterations.
7662
7663 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
7664
7665         PR middle-end/38609
7666         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
7667         functions with dynamic stack-pointer adjustments.
7668
7669 2009-03-19  Ben Elliston  <bje@au.ibm.com>
7670
7671         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
7672         option; change to -msdata=data.
7673
7674 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7675
7676         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
7677         and -fopenmp.
7678
7679 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
7680
7681         PR target/35180
7682         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
7683
7684 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
7685
7686         * doc/invoke.texi (Code Gen Options): Expand discussion of
7687         -fno-common.
7688
7689 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
7690
7691         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
7692         * matrix-reorg.c (struct matrix_info): Likewise.
7693         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
7694         * rtl.h (struct mem_attrs): Likewise.
7695         * df.h (struct df): Likewise.
7696         * tree-data-ref.h (struct data_dependence_relation): Likewise.
7697         * ira-int.h (struct ira_allocno): Likewise.
7698         * df-scan.c (struct df_collection_rec): Likewise.
7699         * ira.c (struct equivalence): Likewise.
7700         * function.c (struct temp_slot): Likewise.
7701         * cfgloop.h (struct loop): Likewise.
7702
7703         PR debug/39485
7704         * function.c (use_register_for_decl): When not optimizing, disregard
7705         register keyword for variables with types containing methods.
7706
7707 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
7708
7709         PR middle-end/39447
7710         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
7711         (is_simple_operand): Call contains_component_ref_p before calling data
7712         reference analysis that would fail on COMPONENT_REFs.
7713
7714         * tree-vrp.c (search_for_addr_array): Fix formatting.
7715
7716 2009-03-18  Richard Guenther  <rguenther@suse.de>
7717
7718         * tree-vect-transform.c (vect_loop_versioning): Fold the
7719         generated comparisons.
7720         * tree-vectorizer.c (set_prologue_iterations): Likewise.
7721         (slpeel_tree_peel_loop_to_edge): Likewise.
7722
7723 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7724
7725         PR middle-end/37805
7726         * opts.c (print_specific_help): In addition to `undocumented',
7727         accept `separate' and `joined' flags if passed alone.  Describe
7728         output by the first matched one of those.
7729         (common_handle_option): Skip over empty strings.
7730         * gcc.c (display_help): Fix help string for `--help='.
7731         * doc/invoke.texi (Option Summary, Overall Options): With
7732         `--help=', classes and qualifiers can both be repeated, but
7733         only the latter can be negated.  One should not pass only
7734         negated qualifiers.  Fix markup and examples.
7735
7736         Revert
7737         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
7738         PR middle-end/37805
7739         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
7740         and -fhelp=separate.
7741
7742 2009-03-17  Jing Yu  <jingyu@google.com>
7743
7744         PR middle-end/39378
7745         * function.h (struct rtl_data): Move is_thunk from here...
7746         (struct function): ...to here.
7747         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
7748         * varasm.c (assemble_start_function): Change is_thunk from crtl to
7749         cfun.
7750         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
7751         cfun.
7752         (alpha_does_function_need_gp, alpha_start_function): Likewise.
7753         (alpha_output_function_end_prologue): Likewise.
7754         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
7755         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
7756         (rs6000_output_function_epilogue): Likewise.
7757         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
7758
7759 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
7760
7761         PR target/39482
7762         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
7763         from different units in a single alternative.
7764         (*truncdfsf_i387): Ditto.
7765         (*truncxfsf2_mixed): Ditto.
7766         (*truncxfdf2_mixed): Ditto.
7767
7768 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
7769
7770         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
7771         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
7772
7773         PR debug/39474
7774         * tree-ssa-live.c (remove_unused_locals): Don't remove local
7775         unused non-artificial variables when not optimizing.
7776
7777         PR debug/39471
7778         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
7779         DW_TAG_imported_module even if decl is IMPORTED_DECL with
7780         NAMESPACE_DECL in its DECL_INITIAL.
7781
7782         PR middle-end/39443
7783         * optabs.c (set_user_assembler_libfunc): New function.
7784         * expr.h (set_user_assembler_libfunc): New prototype.
7785         * c-common.c: Include libfuncs.h.
7786         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
7787         for memcmp, memset, memcpy, memmove and abort.
7788         * Makefile.in (c-common.o): Depend on libfuncs.h.
7789
7790         PR debug/39412
7791         * dwarf2out.c (gen_inlined_enumeration_type_die,
7792         gen_inlined_structure_type_die, gen_inlined_union_type_die,
7793         gen_tagged_type_instantiation_die): Removed.
7794         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
7795         do nothing.
7796
7797 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
7798
7799         PR testsuite/38526
7800         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
7801         its use.
7802         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
7803         (check-parallel-%): Ditto.
7804         (check-consistency): Ditto.
7805
7806 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
7807
7808         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
7809         local variable rhs by NULL_TREE.
7810
7811 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7812
7813         PR target/39477
7814         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
7815
7816 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7817
7818         PR target/39476
7819         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
7820
7821 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7822
7823         PR target/39473
7824         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
7825         for ms->sysv ABI calls only in 64bit mode.
7826
7827         * config/i386/i386.md (untyped_call): Support 32bit.
7828
7829 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
7830
7831         * doc/extend.texi: Replace x86_65 with x86_64.
7832
7833 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
7834
7835         PR tree-optimization/39455
7836         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
7837         mismatches for POINTER_TYPE_P (type).
7838         (number_of_iterations_le): Likewise.
7839
7840 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
7841
7842         * config/picochip/picochip.c: Removed profiling support.
7843         * config/picochip/picochip.md: Removed profiling instruction.
7844         * config/picochip/picochip.h: Removed profiling builtin.
7845
7846 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
7847
7848         * doc/install.texi (--with-host-libstdcxx): Document.
7849
7850 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
7851
7852         PR target/34299
7853         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
7854         generate a warning if the function name does not begin with
7855         "__vector" and the function has either the 'signal' or 'interrupt'
7856         attribute, from here to ...
7857         (avr_declare_function_name): ...here. New function.
7858         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
7859         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
7860
7861 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
7862
7863         PR bootstrap/39454
7864         * cse.c (fold_rtx): Don't modify original const_arg1 when
7865         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
7866         separate variable instead.
7867         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
7868         from out of range shift counts.
7869         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
7870
7871 2009-03-13  Catherine Moore  <clm@codesourcery.com>
7872
7873         * config/i386/x-mingw32 (host-mingw32.o): Replace
7874         diagnostic.h with $(DIAGNOSTIC_H).
7875
7876 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
7877
7878         PR target/39431
7879         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
7880         predicate.
7881         * config/i386/sync.md (sync_compare_and_swap<mode>,
7882         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
7883         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
7884         into a register.
7885         (sync_double_compare_and_swapdi_pic,
7886         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
7887         cmpxchg8b_pic_memory_operand instead of just memory_operand.
7888
7889 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
7890
7891         PR target/39445
7892         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
7893
7894 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
7895
7896         PR target/39327
7897         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
7898         (avx_addsubv4df3): Likewise.
7899         (*avx_addsubv4sf3): Likewise.
7900         (sse3_addsubv4sf3): Likewise.
7901
7902 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
7903
7904         PR target/38824
7905         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
7906
7907 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
7908
7909         PR debug/39432
7910         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
7911         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
7912         registers for allocnos created from user-defined variables.
7913
7914 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7915
7916         PR target/39181
7917         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
7918         of non-integer mode as well.
7919
7920 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
7921
7922         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
7923         for functions for which the parameter types are unknown.
7924
7925 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
7926
7927         PR target/39137
7928         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
7929         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
7930         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
7931         * config/i386/i386.c (ix86_local_alignment): For
7932         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
7933         long long variables on the stack to avoid dynamic realignment.
7934         Allow the first argument to be a decl rather than type.
7935         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
7936
7937 2009-03-11  Nick Clifton  <nickc@redhat.com>
7938
7939         PR target/5362
7940         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
7941         options.
7942         Add description to mno-lsim option.
7943         * config/mcore/mcore.h: Remove comment about deprecated m4align
7944         option.
7945         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
7946         * doc/invoke.texi: Add description of mno-lsim and
7947         mstack-increment options.
7948
7949         * config/fr30/fr30.opt: Document the -mno-lsim option.
7950         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
7951         and -mno-lsim options.
7952
7953 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7954
7955         * fold-const.c (fold_comparison): Only call fold_inf_compare
7956         if the mode supports infinities.
7957
7958 2009-03-11  Jason Merrill  <jason@redhat.com>
7959
7960         PR debug/39086
7961         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
7962         end already did.  Notice GIMPLE_CALL modifications of the result.
7963         Don't copy debug information from an ignored decl or a decl from
7964         another function.
7965
7966 2009-03-10  Richard Guenther  <rguenther@suse.de>
7967             Nathan Froyd  <froydnj@codesourcery.com>
7968
7969         PR middle-end/37850
7970         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
7971         (__divMODE3): Likewise.
7972
7973 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
7974
7975         PR tree-optimization/39394
7976         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
7977         DECL_SIZE_UNIT of variable length FIELD_DECLs.
7978
7979 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7980
7981         * recog.c (verfiy_changes): Disallow renaming of hard regs in
7982         inline asms for register asm ("") declarations.
7983
7984 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
7985
7986         * fold-const.c (fold_unary): Fix comment.
7987
7988 2009-03-07  Jan Hubicka  <jh@suse.cz>
7989
7990         PR target/39361
7991         * tree-inline.c (setup_one_parameter): Do replacement of const
7992         argument by constant in SSA form.
7993
7994 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7995
7996         PR middle-end/38028
7997         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
7998         determine alignment passed to assign_stack_local.
7999         (assign_parms_unsplit_complex): Likewise.
8000         * except.c (sjlj_build_landing_pads): Likewise.
8001
8002 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
8003
8004         PR middle-end/39360
8005         * tree-flow.h (add_referenced_var): Return bool instead of void.
8006         * tree-dfa.c (add_referenced_var): Return result of
8007         referenced_var_check_and_insert call.
8008         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
8009         of referenced_var_check_and_insert.
8010
8011         PR debug/39372
8012         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
8013         (gen_variable_die): Emit DW_AT_location on abstract static variable's
8014         DIE, don't emit it if abstract origin already has it.
8015         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
8016         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
8017
8018 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
8019
8020         * genpreds.c (needs_variable): Fix parentheses at variable name
8021         detection.
8022         (write_tm_constrs_h): Indent generated code.
8023
8024 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8025
8026         * doc/extend.texi (Function Attributes): Add documentation
8027         for isr attributes.
8028
8029 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
8030
8031         PR debug/39387
8032         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
8033         take locus from its DECL_SOURCE_LOCATION instead of input_location.
8034
8035 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
8036
8037         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
8038         the loop as bad.
8039
8040 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
8041
8042         PR debug/39379
8043         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
8044         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
8045
8046 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
8047
8048         * config/i386/i386.md (R8_REG, R9_REG): New constants.
8049         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
8050         constants instead of magic numbers.
8051         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
8052         (QI_REG_P): Ditto.
8053         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
8054         (x86_64_ms_abi_int_parameter_registers): Ditto.
8055         (x86_64_int_return_registers): Ditto.
8056         (ix86_maybe_switch_abi): Ditto.
8057         (ix86_expand_call): Ditto for clobbered_registers array.
8058         (ix86_hard_regno_mode_ok): Ditto.
8059         (x86_extended_QIreg_mentioned_p): Ditto.
8060
8061 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
8062
8063         PR tree-optimization/39349
8064         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
8065
8066         * combine.c (gen_lowpart_for_combine): Use omode when generating
8067         clobber.
8068
8069 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
8070
8071         PR rtl-optimization/39235
8072         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
8073
8074 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
8075
8076         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
8077
8078 2009-03-04  Richard Guenther  <rguenther@suse.de>
8079
8080         PR tree-optimization/39362
8081         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
8082         that occur in abnormal PHIs should be varying.
8083
8084 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
8085
8086         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
8087         Extend comments.
8088         (simple_iv):  Take loop as an argument instead of statement.
8089         * tree-scalar-evolution.h (simple_iv): Declaration changed.
8090         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
8091         to simple_iv.
8092         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
8093         Ditto.
8094         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
8095         * matrix-reorg.c (analyze_transpose): Ditto.
8096         * tree-data-ref.c (dr_analyze_innermost): Ditto.
8097         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
8098         * tree-predcom.c (ref_at_iteration): Ditto.
8099         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
8100
8101 2009-03-04  Richard Guenther  <rguenther@suse.de>
8102
8103         PR tree-optimization/39358
8104         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
8105         escaped_id and callused_id.
8106         (solve_graph): Likewise.
8107
8108 2009-03-04  Richard Guenther  <rguenther@suse.de>
8109
8110         PR tree-optimization/39339
8111         * tree-sra.c (try_instantiate_multiple_fields): Make it
8112         no longer ICE on the above.
8113
8114 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
8115
8116         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
8117         that fits within Pmode.
8118
8119 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
8120
8121         PR middle-end/10109
8122         * tm.texi (LIBCALL_VALUE): Update description.
8123
8124 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
8125
8126         PR middle-end/34443
8127         * doc/extend.texi (section): Update description.
8128
8129 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
8130
8131         PR middle-end/39345
8132         * tree-inline.c (remapped_type): New.
8133         (can_be_nonlocal): Call remapped_type instead of remap_type.
8134
8135 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
8136
8137         PR fortran/39354
8138         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
8139         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
8140
8141 2009-03-03  Richard Guenther  <rguenther@suse.de>
8142
8143         PR middle-end/39272
8144         * tree.c (tree_nonartificial_location): New function.
8145         * tree.h (tree_nonartificial_location): Declare.
8146         * builtins.c (expand_builtin_memory_chk): Provide location
8147         of the call location for artificial function pieces.
8148         (maybe_emit_chk_warning): Likewise.
8149         (maybe_emit_sprintf_chk_warning): Likewise.
8150         (maybe_emit_free_warning): Likewise.
8151         * expr.c (expand_expr_real_1): Likewise.
8152
8153 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
8154
8155         PR tree-optimization/39343
8156         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
8157         COMPONENT_REF t has ARRAY_TYPE.
8158
8159 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
8160
8161         PR middle-end/39335
8162         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
8163         when the type precision of the induction variable should be
8164         larger than the type precision of nit.
8165         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
8166         * graphite.c (graphite_loop_normal_form): Same.
8167         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
8168
8169 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
8170
8171         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
8172         (*call_1_rex64_ms_sysv): Use named constants instead of magic
8173         numbers to describe clobbered registers.
8174         (*call_value_0_rex64_ms_sysv): Ditto.
8175         * config/i386/mmx.md (mmx_emms): Ditto.
8176         (mmx_femms): Ditto.
8177
8178 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
8179
8180         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
8181         of ABI_64.
8182
8183 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8184
8185         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
8186         (spu_section_type_flags): New function.
8187
8188 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
8189
8190         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
8191         reg_class_contents of FLOAT_REGS into a temporary.
8192
8193 2009-03-02  Richard Guenther  <rguenther@suse.de>
8194             Ira Rosen  <irar@il.ibm.com>
8195
8196         PR tree-optimization/39318
8197         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
8198         information to the vectorized statement.
8199
8200 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
8201
8202         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
8203         variable.  Use defined names instead of magic constants for REX SSE
8204         registers.
8205
8206 2009-03-01  Richard Guenther  <rguenther@suse.de>
8207
8208         PR tree-optimization/39331
8209         * omp-low.c (lower_send_shared_vars): Do not receive new
8210         values for the reference of DECL_BY_REFERENCE parms or results.
8211
8212 2009-03-01  Jan Hubicka  <jh@suse.cz>
8213
8214         PR debug/39267
8215         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
8216         BLOCK_NONLOCALIZED_VAR): New macros.
8217         (tree_block): Add nonlocalized_vars.
8218         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
8219         gen_decl_die): Add origin argument.  Allow generation of die with
8220         origin at hand only.
8221         (gen_member_die, gen_type_die_with_usage, force_decl_die,
8222         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
8223         of gen_*.
8224         (gen_block_die): Fix checking for unused blocks.
8225         (process_scope_var): Break out from .... ; work with origins only.
8226         (decls_for_scope) ... here; process nonlocalized list.
8227         (dwarf2out_ignore_block): Look for nonlocalized vars.
8228         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
8229         vars.
8230         (dump_scope_block): Dump them.
8231         * tree-inline.c (remap_decls): Handle nonlocalized vars.
8232         (remap_block): Likewise.
8233         (can_be_nonlocal): New predicate.
8234         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
8235
8236 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8237
8238         * configure: Regenerate.
8239
8240 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8241
8242         * optc-gen.awk: No need to duplicate option flags twice.
8243         Reuse help texts for duplicate options which do not have any.
8244
8245         * gcc.c (display_help): Document --version.
8246
8247         * gcc.c (main): If print_help_list and verbose_flag, ensure
8248         driver output comes before subprocess output.
8249
8250         * optc-gen.awk: Assign all remaining fields to help string,
8251         space-separated, for multi-line help in *.opt.
8252
8253         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
8254         -Wno-pedantic-ms-format is for MinGW targets only.
8255
8256         * doc/options.texi (Option file format): Fix bad indentation,
8257         restoring dropped sentence.
8258
8259 2009-02-28  Jan Hubicka  <jh@suse.cz>
8260
8261         * tree-inline.c (tree_function_versioning): Output debug info.
8262
8263 2009-02-28  Jan Hubicka  <jh@suse.cz>
8264
8265         PR debug/39267
8266         * tree-inline.c (setup_one_parameter): Do not copy propagate
8267         arguments when not optimizing.
8268
8269 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
8270
8271         PR target/39327
8272         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
8273         (avx_addsubv4df3): Likewise.
8274         (*avx_addsubv4sf3): Likewise.
8275         (sse3_addsubv4sf3): Likewise.
8276         (*avx_addsubv2df3): Likewise.
8277         (sse3_addsubv2df3): Likewise.
8278         (avx_unpckhps256): Correct item selectors.
8279         (avx_unpcklps256): Likewise.
8280         (avx_unpckhpd256): Likewise.
8281         (avx_unpcklpd256): Likewise.
8282
8283 2009-02-28  Jan Hubicka  <jh@suse.cz>
8284
8285         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
8286         static vars.
8287         (copy_arguments_for_versioning): If var is declared don't declare it.
8288         (tree_function_versioning): First setup substitutions and then copy
8289         args.
8290
8291 2009-02-27  Jan Hubicka  <jh@suse.cz>
8292
8293         PR debug/39267
8294         * cgraph.h (varpool_output_debug_info): Remove.
8295         * cgraphunit.c (varpool_output_debug_info): Remove.
8296         * dwarf2out.c (deferred_locations_struct): New struct
8297         (deferred_locations): New type.
8298         (deferred_locations_list): New static var.
8299         (deffer_location): New function.
8300         (gen_variable_die): Use it.
8301         (decls_for_scope): Output info on local static vars.
8302         (dwarf2out_finish): Process deferred locations.
8303         * varpool.c (varpool_output_debug_info): Remove.
8304
8305 2009-02-27  Jan Hubicka  <jh@suse.cz>
8306
8307         PR debug/39267
8308         * tree.h (TREE_PROTECTED): Fix comment.
8309         (BLOCK_HANDLER_BLOCK): Remove.
8310         (struct tree_block): Remove handler_block add body_block.
8311         (inlined_function_outer_scope_p): New.
8312         (is_body_block): Remove.
8313         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
8314         * dwarf2out.c (is_inlined_entry_point): Remove.
8315         (add_high_low_attributes): Use inlined_function_outer_scope_p.
8316         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
8317         code.
8318         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
8319         * gimplify.c (gimplify_expr): Gimplify body blocks.
8320         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
8321         block with multiple subblocks.
8322         (dump_scope_block): Prettier output; dump more flags and info.
8323         (dump_scope_blocks): New.
8324         (remove_unused_locals): Use dump_scope_blocks.
8325         * tree-flow.h (dump_scope_blocks): Declare.
8326         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
8327         * stmt.c (is_body_block): Remove.
8328         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
8329         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
8330
8331 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
8332
8333         PR middle-end/39308
8334         * graphite.c (graphite_loop_normal_form): Do not call
8335         number_of_iterations_exit from a gcc_assert.
8336
8337 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
8338
8339         * config/s390/s390.c (s390_swap_cmp): Look for conditional
8340         jumps if COND is NULL.
8341         (find_cond_jump): New function.
8342         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
8343         * config/s390/s390.md: Remove z10_cobra attribute value.
8344
8345 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
8346
8347         * config/alpha/alpha.h (alpha_expand_mov): Return false if
8348         force_const_mem returns NULL_RTX.
8349
8350 2009-02-26  Jan Hubicka  <jh@suse.cz>
8351
8352         PR debug/39267
8353         * cgraph.h (varpool_output_debug_info): Remove.
8354         * cgraphunit.c (varpool_output_debug_info): Remove.
8355         * dwarf2out.c (deferred_locations_struct): New struct
8356         (deferred_locations): New type.
8357         (deferred_locations_list): New static var.
8358         (deffer_location): New function.
8359         (gen_variable_die): Use it.
8360         (decls_for_scope): Output info on local static vars.
8361         (dwarf2out_finish): Process deferred locations.
8362         * varpool.c (varpool_output_debug_info): Remove.
8363
8364 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
8365
8366         PR rtl-optimization/39241
8367         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
8368         to subreg_offset_representable_p.
8369
8370 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
8371
8372         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
8373         execute function prototype.  Get f and nregs from max_reg_num
8374         and get_insns.  Remove the first backward pass as it's dead,
8375         guard the forward pass by flag_expensive_optimizations.
8376         (rest_of_handle_regmove): Delete.
8377         (pass_regmove): Replace it with regmove_optimize.
8378
8379 2009-02-25  Martin Jambor  <mjambor@suse.cz>
8380
8381         PR tree-optimization/39259
8382         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
8383         calls_alloca function flags.
8384         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
8385         calls are detected.
8386
8387 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
8388
8389         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
8390         flags_set_1_rtx, flags_set_1_set): Delete.
8391         (regmove_optimize): Do not call mark_flags_life_zones.
8392
8393 2009-02-24  Julian Brown  <julian@codesourcery.com>
8394
8395         PR target/35965
8396         * config/arm/arm.c (require_pic_register): Only set
8397         cfun->machine->pic_reg once per function.
8398
8399 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
8400
8401         * doc/invoke.texi (Link Options): Document an easier way to pass
8402         options that take arguments to the GNU linker using -Xlinker and -Wl.
8403
8404 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
8405
8406         PR target/33785
8407         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
8408
8409 2009-02-24  Richard Guenther  <rguenther@suse.de>
8410
8411         PR debug/39285
8412         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
8413
8414 2009-02-24  Richard Guenther  <rguenther@suse.de>
8415             Zdenek Dvorak  <ook@ucw.cz>
8416
8417         PR tree-optimization/39233
8418         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
8419         from converting them to a generic type.
8420
8421 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
8422
8423         PR tree-optimization/39260
8424         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
8425         contains a condition with a real type.
8426         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
8427
8428 2009-02-23  Jason Merrill  <jason@redhat.com>
8429
8430         PR c++/38880
8431         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
8432         narrowing_initializer_constant_valid_p.
8433         (narrowing_initializer_constant_valid_p): Don't return
8434         null_pointer_node for adding a pointer to itself.
8435
8436 2009-02-23  Jan Hubicka  <jh@suse.cz>
8437
8438         PR c/12245
8439         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
8440         resizing.
8441
8442 2009-02-23  Jan Hubicka  <jh@suse.cz>
8443
8444         PR tree-optimization/37709
8445         * tree.c (block_ultimate_origin): Move here from dwarf2out.
8446         * tree.h (block_ultimate_origin): Declare.
8447         * dwarf2out.c (block_ultimate_origin): Move to tree.c
8448         * tree-ssa-live.c (remove_unused_scope_block_p):
8449         Eliminate blocks containig no instructions nor live variables nor
8450         nested blocks.
8451         (dump_scope_block): New function.
8452         (remove_unused_locals): Enable removal of dead blocks by default;
8453         enable dumping at TDF_DETAILS.
8454
8455 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
8456
8457         * config/i386/i386.c (classify_argument): Don't allow COImode
8458         and OImode.
8459         (function_arg_advance_32): Don't allow OImode.
8460         (function_arg_32): Likewise.
8461         (function_value_32): Likewise.
8462         (return_in_memory_32): Likewise.
8463         (function_arg_64): Remove OImode comment.
8464
8465 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
8466
8467         PR target/39261
8468         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
8469         ix86_expand_vector_set for V4DImode in 64bit mode only.
8470         (ix86_expand_vector_init_one_var): Likewise.
8471
8472 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
8473
8474         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
8475
8476 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
8477
8478         PR bootstrap/39257
8479         * loop-iv.c: Revert last change.
8480         * emit-rtl.c: Likewise.
8481
8482 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
8483
8484         PR target/39256
8485         * config/i386/i386.c (type_natural_mode): Remove an extra
8486         space in the warning message.
8487         (function_value_32): Handle 32-byte vector modes.
8488         (return_in_memory_32): Likewise.
8489
8490 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
8491
8492         * loop-iv.c (truncate_value): New function.
8493         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
8494         of lowpart_subreg.
8495         (lowpart_subreg): Move to...
8496         * emit-rtl.c: ...here.
8497
8498 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
8499
8500         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
8501         accidental and undocumented change at revision 140860.
8502
8503 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
8504
8505         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
8506         take gimple_seq * arguments.
8507         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
8508         types_compatible_p langhook.
8509
8510 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
8511             Joseph Myers  <joseph@codesourcery.com>
8512
8513         * config/arm/arm.c (arm_builtin_va_list): New function.
8514         (arm_expand_builtin_va_start): Likewise.
8515         (arm_gimplify_va_arg_expr): Likewise.
8516         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
8517         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
8518         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
8519         (va_list_type): New variable.
8520         (arm_mangle_type): Mangle va_list_type appropriately.
8521
8522 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
8523
8524         PR middle-end/39157
8525         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
8526         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
8527         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
8528         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
8529         parameter to 1000 for -O1 by default.
8530         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
8531         parameter.
8532         * loop-invariant.c: Include params.h.
8533         (move_loop_invariants): Don't call move_single_loop_invariants on
8534         very large loops.
8535
8536 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
8537
8538         * calls.c (emit_library_call_value_1): Use slot_offset instead of
8539         offset when calculating bounds for indexing stack_usage_map.  Fixes
8540         a buffer overflow with certain target setups.
8541
8542 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
8543
8544         PR target/39240
8545         * calls.c (expand_call): Clear try_tail_call if caller and callee
8546         disagree in promotion of function return value.
8547
8548 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
8549
8550         PR target/39175
8551         * c-common.c (c_determine_visibility): If visibility changed and
8552         DECL_RTL has been already set, call make_decl_rtl to update symbol
8553         flags.
8554
8555 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
8556
8557         PR c++/39188
8558         * varasm.c (assemble_variable): Don't check DECL_NAME when
8559         globalizing a variable.
8560
8561 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
8562
8563         PR c/38483
8564         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
8565         expression before any __builtin_trap call.
8566         * c-typeck.c (build_function_call): Convert and check function
8567         arguments before generating a call to a trap.  Evaluate the
8568         function arguments before the trap.
8569
8570 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
8571
8572         PR target/39228
8573         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
8574         (UNSPEC_FXAM_MEM): New unspec.
8575         (fxam<mode>2_i387_with_temp): New insn and split pattern.
8576         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
8577         memory using fxam<mode>2_i387_with_temp to remove excess precision.
8578
8579 2009-02-19  Richard Guenther  <rguenther@suse.de>
8580
8581         PR tree-optimization/39207
8582         PR tree-optimization/39074
8583         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
8584         storedanything_tree): New.
8585         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
8586         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
8587         (build_succ_graph): Add edges from STOREDANYTHING to all
8588         non-direct nodes.
8589         (init_base_vars): Initialize STOREDANYTHING.
8590         (compute_points_to_sets): Free substitution info after
8591         building the succ graph.
8592         (ipa_pta_execute): Likewise.
8593
8594         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
8595         field.
8596         (do_ds_constraint): Do not add to special var or non-pointer
8597         field solutions.
8598         (type_could_have_pointers): Split out from ...
8599         (could_have_pointers): ... here.  For arrays use the element type.
8600         (create_variable_info_for): Initialize may_have_pointers.
8601         (new_var_info): Likewise.
8602         (handle_lhs_call): Make the HEAP variable unknown-sized.
8603         (intra_create_variable_infos): Use a type with pointers for
8604         PARM_NOALIAS, make it unknown-sized.
8605
8606 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
8607
8608         PR target/39224
8609         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
8610
8611 2009-02-18  Jason Merrill  <jason@redhat.com>
8612
8613         PR target/39179
8614         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
8615         value if DECL_EXTERNAL.
8616         * tree-sra.c (sra_walk_gimple_assign): Likewise.
8617         * target.h (gcc_target::binds_local_p): Clarify "module".
8618         * tree.h (TREE_PUBLIC): Clarify "module".
8619
8620 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
8621
8622         PR target/38891
8623         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
8624         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
8625
8626 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
8627
8628         PR target/39082
8629         * c.opt (Wabi): Support C and ObjC.
8630         (Wpsabi): New.
8631
8632         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
8633
8634         * config/i386/i386.c (classify_argument): Warn once about the ABI
8635         change when passing union with long double.
8636
8637         * doc/invoke.texi: Update -Wabi for warning psABI changes.
8638
8639 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
8640
8641         PR c/35447
8642         * c-parser.c (c_parser_compound_statement): Always enter and leave
8643         a scope.
8644
8645 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8646
8647         PR target/34587
8648         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
8649
8650 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
8651
8652         PR tree-optimization/36922
8653         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
8654         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
8655         Likewise.
8656
8657 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
8658
8659         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
8660         to 0 for EABI64.
8661
8662 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
8663
8664         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
8665
8666 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
8667
8668         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
8669         tree sharing.
8670
8671 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
8672             Richard Sandiford  <rdsandiford@googlemail.com>
8673
8674         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
8675         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
8676         (loongson_biadd): ...this.
8677
8678 2009-02-17  Richard Guenther  <rguenther@suse.de>
8679
8680         PR tree-optimization/39202
8681         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
8682         a var make sure to follow existing collapses.
8683
8684 2009-02-17  Richard Guenther  <rguenther@suse.de>
8685
8686         PR middle-end/39214
8687         * langhooks.c (lhd_print_error_function): Check for NULL block.
8688
8689 2009-02-17  Richard Guenther  <rguenther@suse.de>
8690
8691         PR tree-optimization/39204
8692         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
8693         of the PHI arg.
8694
8695 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
8696
8697         * config/soft-fp/double.h: Update from glibc CVS.
8698
8699 2009-02-17  Richard Guenther  <rguenther@suse.de>
8700
8701         PR tree-optimization/39207
8702         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
8703         strict-aliasing warnings for pointers pointing to NULL.
8704
8705 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
8706
8707         PR c/35446
8708         * c-parser.c (c_parser_braced_init): Call pop_init_level when
8709         skipping until next close brace.
8710
8711 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
8712
8713         PR target/37049
8714         * config/i386/i386.c (ix86_expand_push): Set memory alignment
8715         to function argument boundary.
8716
8717 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
8718
8719         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
8720         in the lea_add. Reload eventually constraints it properly.
8721         * config/picochip/constraints.md: Remove the target constraint
8722         "b", since it is not needed anymore.
8723
8724 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
8725
8726         * gthr-dce.h: Uglify function parameter and local variable names.
8727         * gthr-gnat.h: Likewise.
8728         * gthr-mipssde.h: Likewise.
8729         * gthr-nks.h: Likewise.
8730         * gthr-posix95.h: Likewise.
8731         * gthr-posix.h: Likewise.
8732         * gthr-rtems.h: Likewise.
8733         * gthr-single.h: Likewise.
8734         * gthr-solaris.h: Likewise.
8735         * gthr-tpf.h: Likewise.
8736         * gthr-vxworks.h: Likewise.
8737         * gthr-win32.h: Likewise.
8738
8739 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
8740
8741         PR target/39196
8742         * config/i386/i386.md: Restrict the new peephole2 to move
8743         between MMX/SSE registers.
8744
8745 2009-02-15  Richard Guenther  <rguenther@suse.de>
8746
8747         Revert
8748         2009-02-13  Richard Guenther  <rguenther@suse.de>
8749
8750         * configure.ac: Enable LFS.
8751         * configure: Re-generate.
8752         * config.in: Likewise.
8753
8754 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8755
8756         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
8757         spu_srqwbyte, spu_srqwbytebc): Define.
8758         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
8759         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
8760         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
8761         "shrqby_<mode>"): New insn-and-split patterns.
8762         * config/spu/spu.c (expand_builtin_args): Determine and return
8763         number of operands using spu_builtin_description data.
8764         (spu_expand_builtin_1): Use it.
8765
8766 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
8767
8768         PR target/38056
8769         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
8770         TARGET_CONST_GP.
8771
8772 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
8773
8774         PR target/39149
8775         * config/i386/i386.c (override_options): Correct warning
8776         messages for -malign-loops, -malign-jumps and -malign-functions.
8777
8778 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
8779
8780         PR target/39152
8781         * config/i386/i386.md: Restrict the new peephole2 to move
8782         between the general purpose registers.
8783
8784 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
8785
8786         PR target/39162
8787         * config/i386/i386.c (type_natural_mode): Add a new argument.
8788         Return the original mode and warn ABI change if vector size is 32byte.
8789         (function_arg_advance): Updated.
8790         (function_arg): Likewise.
8791         (ix86_function_value): Likewise.
8792         (ix86_return_in_memory): Likewise.
8793         (ix86_sol10_return_in_memory): Likewise.
8794         (ix86_gimplify_va_arg): Likewise.
8795         (function_arg_32): Don't warn ABX ABI change here.
8796         (function_arg_64): Likewise.
8797
8798 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
8799
8800         * loop-iv.c (implies_p): In the final case, test that operands 0
8801         of the two comparisons match.
8802
8803         * config/bfin/bfin.c (find_prev_insn_start): New function.
8804         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
8805         (find_next_insn_start): Move.
8806
8807 2009-02-13  Richard Guenther  <rguenther@suse.de>
8808
8809         * configure.ac: Enable LFS.
8810         * configure: Re-generate.
8811         * config.in: Likewise.
8812
8813 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
8814
8815         PR c/35444
8816         * c-parser.c (c_parser_parms_list_declarator): Discard pending
8817         sizes on syntax error after some arguments have been parsed.
8818
8819 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
8820
8821         * doc/invoke.texi (-fira): Remove.
8822
8823 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8824
8825         * caller-save.c: Replace regclass.c with reginfo.c in comments.
8826         * recog.c: Likewise.
8827         * rtl.h: Likewise.
8828
8829 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
8830
8831         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
8832         (umul_ppmm): Likewise.
8833         (count_leading_zeros): Likewise.
8834         (count_trailing_zeros): Likewise.
8835         (UMUL_TIME): Likewise.
8836
8837 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8838
8839         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
8840         soft-fp/t-softfp to tmake_file.
8841
8842         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
8843         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
8844         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
8845         IA64_BUILTIN_INFQ]: New.
8846         (ia64_init_builtins): Initialize __builtin_infq,
8847         __builtin_fabsq and __builtin_copysignq if not HPUX.
8848         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
8849         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
8850
8851         * config/ia64/lib1funcs.asm (__divtf3): Define only if
8852         SHARED is defined.
8853         (__fixtfti): Likewise.
8854         (__fixunstfti): Likewise.
8855         (__floattitf): Likewise.
8856
8857         * config/ia64/libgcc-glibc.ver: New.
8858         * config/ia64/t-fprules-softfp: Likewise.
8859         * config/ia64/sfp-machine.h: Likewise.
8860
8861         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
8862         (LIBGCC2_TF_CEXT): Likewise.
8863         (TF_SIZE): Likewise.
8864         (TARGET_INIT_LIBFUNCS): Likewise.
8865
8866         * config/ia64/t-glibc (SHLINB_MAPFILES):
8867         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
8868
8869 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8870
8871         * config/i386/i386.c (construct_container): Rewrite processing
8872         BLKmode with X86_64_SSE_CLASS.
8873
8874 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
8875
8876         PR target/39152
8877         * config/i386/i386.md: Replace simplify_replace_rtx with
8878         replace_rtx in the new peephole2.
8879
8880 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
8881
8882         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
8883         loop unrolling do not happen at -O2.
8884
8885 2009-02-12  Michael Matz  <matz@suse.de>
8886
8887         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
8888
8889 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
8890
8891         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
8892         for -g3.
8893
8894 2009-02-12  Ben Elliston  <bje@au.ibm.com>
8895
8896         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
8897         patterns when updating the back chain.  Missed in the 2009-02-10
8898         change.
8899
8900 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
8901
8902         * doc/extend.texi (Decimal Floating Types): Update identifier of
8903         draft TR and list of missing support.
8904
8905 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
8906
8907         PR middle-end/39154
8908         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
8909         bit to variable length decl's flags, add it also to its
8910         pointer replacement variable.
8911
8912 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
8913             Jakub Jelinek  <jakub@redhat.com>
8914
8915         PR target/39118
8916         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
8917         (memory_blockage): New expander.
8918         (*memory_blockage): New insn pattern.
8919         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
8920         instead of general blockage at the end of function prologue when
8921         frame pointer is used to access red zone area.  Do not emit blockage
8922         when profiling, it is emitted in generic code.
8923         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
8924         function epilogue when frame pointer is used to access red zone area.
8925
8926 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
8927
8928         PR target/38824
8929         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
8930         by arithmetic with memory operands.
8931         * config/i386/predicates.md (commutative_operator): New.
8932
8933 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
8934
8935         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
8936         bulleted lists.
8937
8938 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
8939
8940         * alias.h (record_alias_subset): Declare.
8941         * alias.c (record_alias_subset): Make global.
8942
8943 2009-02-10  Nick Clifton  <nickc@redhat.com>
8944
8945         * tree-parloops.c: Change license to GPLv3.
8946         * ipa-struct-reorg.c: Change license to GPLv3.
8947         * ipa-struct-reorg.h: Change license to GPLv3.
8948
8949 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
8950
8951         PR c/39084
8952         * c-decl.c (start_struct): Return NULL on error.
8953
8954 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
8955
8956         PR middle-end/39124
8957         * cfgloopmanip.c (remove_path): Call remove_bbs after
8958         cancel_loop_tree, not before it.
8959
8960         PR target/39139
8961         * function.h (struct function): Add has_local_explicit_reg_vars bit.
8962         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
8963         VAR_DECLs were seen.
8964         * tree-ssa-live.c (remove_unused_locals): Recompute
8965         cfun->has_local_explicit_reg_vars.
8966         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
8967         copies or clearings if cfun->has_local_explicit_reg_vars.
8968
8969 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
8970
8971         PR target/39118
8972         * config/i386/i386.c (expand_prologue): Emit blockage at the end
8973         of function prologue when frame pointer is used to access
8974         red zone area.
8975
8976 2009-02-10  Richard Guenther  <rguenther@suse.de>
8977
8978         PR middle-end/39127
8979         * gimplify.c (gimple_regimplify_operands): Always look if
8980         we need to create a temporary.
8981
8982 2009-02-10  Richard Guenther  <rguenther@suse.de>
8983
8984         PR tree-optimization/39132
8985         * tree-loop-distribution.c (todo): New global var.
8986         (generate_memset_zero): Trigger TODO_rebuild_alias.
8987         (tree_loop_distribution): Return todo.
8988
8989 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
8990
8991         PR target/39119
8992         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
8993         (x86_64_reg_class_name): Removed.
8994         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
8995         first one isn't X86_64_SSE_CLASS or any other ones aren't
8996         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
8997         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
8998         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
8999         and 3 X86_64_SSEUP_CLASS.
9000         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
9001         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
9002
9003 2009-02-10  Ben Elliston  <bje@au.ibm.com>
9004
9005         * config/rs6000/rs6000.md (allocate_stack): Always use an update
9006         form instruction to update the stack back chain word, even if the
9007         user has disabled the generation of update instructions.
9008         (movdi_<mode>_update_stack): New.
9009         (movsi_update_stack): Likewise.
9010         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
9011         always use an update form instruction to update the stack back
9012         chain word.
9013
9014 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
9015
9016         PR middle-end/38953
9017         * graphite.c (if_region_set_false_region): After moving a region in
9018         the false branch of a condition, remove the empty dummy basic block.
9019         (gloog): Remove wrong fix for PR38953.
9020
9021 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9022
9023         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
9024         generation due to implicit sign extension.
9025
9026 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
9027
9028         PR middle-end/38981
9029         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
9030         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
9031
9032 2009-02-09  Richard Guenther  <rguenther@suse.de>
9033
9034         PR middle-end/35202
9035         * convert.c (convert_to_real): Disable (float)fn((double)x)
9036         to fnf(x) conversion if errno differences may occur and
9037         -fmath-errno is set.
9038
9039 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
9040
9041         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
9042         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9043         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9044
9045 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
9046
9047         PR c/35434
9048         * c-common.c (handle_alias_attribute): Disallow attribute for
9049         anything not a FUNCTION_DECL or VAR_DECL.
9050
9051 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
9052
9053         PR c/39035
9054         * real.c (do_compare): Special-case compare of zero against
9055         decimal float value.
9056
9057 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
9058
9059         PR c/36432
9060         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
9061         as indicating flexible array members unless the field itself is
9062         being declarared as the incomplete array.
9063
9064 2009-02-06  Jan Hubicka  <jh@suse.cz>
9065
9066         PR tree-optimization/38844
9067         * ipa-inline.c (try_inline): Stop inlining recursion when edge
9068         is already inlined.
9069
9070 2009-02-06  Richard Guenther  <rguenther@suse.de>
9071
9072         PR middle-end/38977
9073         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
9074         fork because we may expand it as __gcov_fork.
9075
9076 2009-02-06  Nick Clifton  <nickc@redhat.com>
9077
9078         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
9079
9080 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
9081
9082         PR tree-optimization/35659
9083         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
9084         vn_phi_eq): Shortcut if hashcode does not match.
9085         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
9086         NULL operands.
9087         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
9088         and avoid iterative_hash_expr.
9089         (FOR_EACH_VALUE_ID_IN_SET): New.
9090         (value_id_compare): Remove.
9091         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
9092         sort expressions by value id.
9093
9094 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
9095
9096         PR target/38991
9097         * config/sh/predicates.md (general_movsrc_operand): Don't check
9098         the subreg of system registers here.
9099
9100 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
9101
9102         PR c++/39106
9103         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
9104         on the copied decl.
9105
9106 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
9107
9108         PR rtl-optimization/39110
9109         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
9110         addresses, not aligned ones.
9111
9112 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
9113             Richard Guenther  <rguenther@suse.de>
9114
9115         PR tree-optimization/39100
9116         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
9117         comment says and add edges.
9118
9119 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
9120
9121         PR c/35435
9122         * c-common.c (handle_tls_model_attribute): Ignore attribute for
9123         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
9124
9125 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
9126
9127         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
9128         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
9129         register_bb_in_sese, new_sese, free_sese): Moved.
9130         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
9131         outermost_loop_in_scop, build_scop_iteration_domain,
9132         expand_scalar_variables_ssa_name, get_vdef_before_scop,
9133         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
9134         Use loop_in_sese_p instead of loop_in_scop_p.
9135         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
9136         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
9137         (scopdet_basic_block_info): Fix bug in scop detection.
9138         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
9139         eq_loop_to_cloog_loop): Remove.
9140         (nb_loops_around_loop_in_scop, nb_loop
9141         ref_nb_loops): Moved here...
9142         * graphite.h (ref_nb_loops): ... from here.
9143         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
9144         (loop_domain_dim, loop_iteration_vector_dim): Remove.
9145         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
9146         * testsuite/gcc.dg/graphite/scop-19.c: New
9147
9148 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
9149             Hans-Peter Nilsson  <hp@axis.com>
9150
9151         PR rtl-optimization/37889
9152         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
9153         Move offset handling from PLUS to before the switch.  Use new
9154         arguments when considering SYMBOL_REFs too.
9155         (rtx_addr_can_trap_p): Pass dummy offset and size.
9156         (enum may_trap_p_flags): Remove.
9157         (may_trap_p_1): Pass size from MEM_SIZE.
9158
9159         PR rtl-optimization/38921
9160         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
9161         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
9162         * rtlanal.c (may_trap_after_code_motion_p): Delete.
9163         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
9164
9165 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
9166
9167         AVX Programming Reference (January, 2009)
9168         * config/i386/sse.md (*vpclmulqdq): New.
9169
9170 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
9171
9172         PR tree-optimization/38977
9173         PR gcov-profile/38292
9174         * calls.c (special_function_p): Disregard __builtin_ prefix.
9175
9176 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
9177
9178         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
9179         non-indexable addresses even before reload.
9180
9181 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
9182
9183         PR c/29129
9184         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
9185         as having variable size.  Do not give an error for unnamed
9186         parameters with [*] declarators.  Give a warning for type names
9187         with [*] declarators and mark them as variable size.
9188         * c-parser.c (c_parser_sizeof_expression): Do not give an error
9189         for sizeof applied to [*] type names.
9190
9191 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9192
9193         PR C++/36607
9194         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
9195
9196 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
9197
9198         * gcc.c (process_command): Update copyright notice dates.
9199         * gcov.c (print_version): Likewise.
9200         * gcov-dump.c (print_version): Likewise.
9201         * mips-tfile.c (main): Likewise.
9202         * mips-tdump.c (main): Likewise.
9203
9204 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
9205
9206         PR c/35433
9207         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
9208         for composite type involving a zero-length array type.
9209
9210 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
9211
9212         PR target/35318
9213         * function.c (match_asm_constraints_1): Skip over
9214         initial optional % in the constraint.
9215
9216         PR inline-asm/39059
9217         * c-parser.c (c_parser_postfix_expression): If fixed point is not
9218         supported, don't accept FIXED_CSTs.
9219         * c-decl.c (finish_declspecs): Error if fixed point is not supported
9220         and _Sat is used without _Fract/_Accum.  Set specs->type to
9221         integer_type_node for cts_fract/cts_accum if fixed point is not
9222         supported.
9223
9224 2009-02-02  Catherine Moore  <clm@codesourcery.com>
9225
9226         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
9227
9228 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
9229
9230         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
9231         (ABI_HAS_64BIT_SYMBOLS): Use it.
9232         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
9233
9234 2009-02-02  Paul Brook  <paul@codesourcery.com>
9235
9236         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
9237
9238 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
9239
9240         PR inline-asm/39058
9241         * recog.h (asm_operand_ok): Add constraints argument.
9242         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
9243         recurse on matching constraint.
9244         (check_asm_operands): Pass constraints as 3rd argument to
9245         asm_operand_ok.  Don't look up matching constraint here.
9246         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
9247         to asm_operand_ok.
9248
9249 2009-02-02  Ben Elliston  <bje@au.ibm.com>
9250
9251         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
9252         TARGET_NARROW_VOLATILE_BITFIELD macro names.
9253
9254 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9255
9256         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
9257         information.  Remove some obsolete information.  Reorganize.
9258
9259         * config/pa/fptr.c: Revert license to GPL 2.
9260         * config/pa/milli64.S: Likewise.
9261
9262 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
9263
9264         PR target/38904
9265         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
9266         LIBRARY name in, instead of hard-coding it.
9267         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
9268         extra target make frag to tmake_files according to EH model.
9269         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
9270         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
9271         frags that define makefile variable EH_MODEL appropriately.
9272         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
9273         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
9274         to "-sjlj" according to type of EH configured.
9275         (LIBGCC_SONAME):  Concatenate it to shared library base name.
9276         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
9277         to "_sjlj" according to type of EH configured.
9278         (LIBGCC_SONAME):  Concatenate it to shared library base name.
9279         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
9280         (SHLIB_LINK):  Add missing semicolon to if-else construct.
9281         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
9282         string value of "pe_dll" command-line option.
9283         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
9284         (SHLIB_SONAME):  Use it when overriding t-cygming default.
9285         (SHLIB_IMPLIB):  Override t-cygming default.
9286         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
9287         string value of "pe_dll" command-line option.
9288
9289 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
9290
9291         PR target/38952
9292         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
9293         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
9294
9295 2009-01-31  Richard Guenther  <rguenther@suse.de>
9296
9297         PR tree-optimization/38937
9298         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
9299         computing the transitive closure.
9300
9301 2009-01-30  Richard Guenther  <rguenther@suse.de>
9302
9303         PR tree-optimization/39041
9304         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
9305         Propagate variable indices only if the types match for this stmt.
9306
9307 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
9308
9309         PR target/39013
9310         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
9311         inline but never defined.
9312
9313 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
9314
9315         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
9316         (*insv_h_di_reg_extimm): New insn.
9317         (*insv_l<mode>_reg_extimm): New insn.
9318
9319 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
9320
9321         * config/picochip/picochip.c (flag_conserve_stack): set
9322         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
9323         fconserve-stack. Reduce call-overhead used by inliner.
9324
9325 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
9326
9327         PR/38157
9328         * common.opt (flag_conserve_stack): Initialised to zero.
9329
9330 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
9331
9332         PR/39002
9333         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
9334         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
9335         method.
9336
9337 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
9338
9339         * ira-color.c (allocno_reload_assign): Update comments.
9340         * regmove.c (regmove_optimize): Likewise.
9341
9342         * ra.h: Removed.
9343
9344 2009-01-29  Robert Millan  <rmh@aybabtu.com>
9345
9346         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
9347         * config/i386/kopensolaris-gnu.h: New file.  Undefine
9348         `MD_UNWIND_SUPPORT'.
9349         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
9350
9351 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
9352
9353         PR tree-optimization/39007
9354         * tree-loop-distribution.c (generate_builtin): Use
9355         recompute_dominator to compute the immediate dominator of the
9356         basic block just after the loop.
9357
9358 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9359
9360         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
9361         (ASM_OUTPUT_DWARF_PCREL): Define.
9362
9363 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
9364
9365         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
9366         * doc/passes.texi: Remove entries about regclass, local-alloc, and
9367         global.  Modify entries about regmove and IRA.
9368
9369         * ra-conflict.c: Remove the file.
9370
9371         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
9372
9373         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
9374         (pass_regclass_init): Rename to pass_reginfo_init.
9375
9376         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
9377
9378         * toplev.h (flag_ira): Remove.
9379
9380         * caller-save.c (setup_save_areas): Remove flag_ira.
9381
9382         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
9383
9384         * global.c: Remove the file.
9385
9386         * opts.c (decode_options): Remove flag_ira.
9387
9388         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
9389
9390         * regmove.c: Modify file description.
9391         (find_use_as_address, try_auto_increment): Define them only if
9392         AUTO_INC_DEC is defined.
9393         (replacement_quality, replace_in_call_usage, fixup_match_1,
9394         stable_and_no_regs_but_for_p): Remove.
9395         (reg_set_in_bb): Make it static.
9396         (regmove_optimize): Remove flag_ira and code which worked for
9397         !flag_ira.
9398
9399         * local-alloc.c: Remove the file.
9400
9401         * common.opt (fira): Remove.
9402
9403         * ira.c: Include except.h.
9404         (eliminable_regset): Move from global.c.
9405         (mark_elimination): Ditto.  Remove flag_ira.
9406         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
9407         equiv_mem_modified, validate_equiv_mem_from_store,
9408         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
9409         contains_replace_regs, memref_referenced_p, memref_used_between_p,
9410         no_equiv, recorded_label_ref): Move from local-alloc.c.
9411         (update_equiv_regs): Ditto.  Make it static.
9412         (print_insn_chain, print_insn_chains): Move it from global.c.
9413         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
9414         (build_insn_chain): Ditto.  Make it static.
9415         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
9416         Rename to init_live_subregs.
9417         (gate_ira): Remove flag_ira.
9418
9419         * regclass.c: Rename reginfo.c.  Change file description.
9420         (FORBIDDEN_INC_DEC_CLASSES): Remove.
9421         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
9422         (init_reg_sets_1): Remove code for evaluation of
9423         reg_class_superclasses and losing_caller_save_reg_set.
9424         (init_regs): Remove init_reg_autoinc.
9425         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
9426         ok_for_base_p_nonstrict): Remove.
9427         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
9428         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
9429         corresponding entries.
9430         (dump_regclass, record_operand_costs, scan_one_insn,
9431         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
9432         record_address_regs, auto_inc_dec_reg_p): Remove.
9433         (gt-regclass.h): Rename to gt-reginfo.h.
9434
9435         * rtl.h (dump_global_regs, retry_global_alloc,
9436         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
9437
9438         * Makefile.in (RA_H): Remove.
9439         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
9440         Rename regclass.o to reginfo.o.
9441         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
9442         gt-reginfo.h.
9443         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
9444         (GTFILES): Rename regclass.c to reginfo.c.
9445
9446         * passes.c (init_optimization_passes): Remove pass_local_alloc and
9447         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
9448
9449         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
9450         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
9451         Remove flag_ira.
9452         (finish_spills): Ditto.  Remove code for !flag_ira.
9453
9454 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
9455
9456         PR middle-end/35854
9457         * doc/invoke.texi (rtl debug options): Complete rewrite.
9458         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
9459         to auto_inc_dec".
9460         * mode-switching.c (pass_mode_switching): Rename pass from
9461         "mode-sw" to "mode_sw".
9462         * except.c (pass_convert_to_eh_ranges): Rename pass from
9463         "eh-ranges" to "eh_ranges".
9464         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
9465         to "subreg1".
9466
9467
9468 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
9469             Alexander Monakov  <amonakov@ispras.ru>
9470
9471         PR middle-end/38857
9472         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
9473         register.
9474         (move_exprs_to_boundary): Change return type and pass through
9475         should_move from move_op.  Relax assert.  Update usage ...
9476         (schedule_expr_on_boundary): ... here.  Use should_move instead of
9477         cant_move.
9478         (move_op_orig_expr_found): Indicate that insn was disconnected from
9479         stream.
9480         (code_motion_process_successors): Do not call after_merge_succs
9481         callback if original expression was not found when traversing any of
9482         the branches.
9483         (code_motion_path_driver): Change return type.  Update prototype.
9484         (move_op): Update comment.  Add a new parameter (should_move).  Update
9485         prototype.  Set *should_move based on indication provided by
9486         move_op_orig_expr_found.
9487
9488 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
9489
9490         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
9491         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
9492         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
9493         * config/rs6000/rs6000.c (rs6000_override_options): Default
9494         avoid-indexed-addresses on for Power6, off for everything else.
9495         (avoiding_indexed_address_p): New function.
9496         (rs6000_legitimize_address): Use it.
9497         (rs6000_legitimate_address): Likewise.
9498         * config/rs6000/rs6000.md (movXX_updateX): Likewise
9499
9500 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
9501
9502         PR tree-optimization/38997
9503         * tree-loop-distribution.c (generate_memset_zero): Use
9504         POINTER_PLUS_EXPR for a pointer addition.
9505
9506 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
9507
9508         * config/s390/s390.md (bswap<mode>2): New pattern added.
9509
9510 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
9511
9512         * config/s390/s390.md (*tls_load_31): Added type attribute.
9513
9514 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
9515
9516         * config/s390/s390.md: Fix a few comments.
9517
9518 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
9519
9520         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
9521         (*tm<mode>_full): Fixed z10prop attribute.
9522         (*tst<mode>_extimm): Fixed z10prop attribute.
9523         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
9524         (*tstqiCCT_cconly): Fixed z10prop attribute.
9525         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
9526         (*movsi_larl): Fixed z10prop attribute.
9527         (*movsi_zarch): Fixed z10prop attribute.
9528         (*movsi_eas): Fixed z10prop attribute.
9529         (*movhi): Fixed z10prop attribute.
9530         (*movqi): Fixed z10prop attribute.
9531         (*movstrictqi): Fixed z10prop attribute.
9532         (*mov<mode>): Fixed z10prop attribute.
9533         (*movcc): Fixed z10prop attribute.
9534         (*sethighpartdi_64): Fixed z10prop attribute.
9535         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
9536         (*negdi2_sign_cc): Fixed z10prop attribute.
9537         (*negdi2_sign): Fixed z10prop attribute.
9538         (*absdi2_sign_cc): Fixed z10prop attribute.
9539         (*absdi2_sign): Fixed z10prop attribute.
9540         (*negabsdi2_sign_cc): Fixed z10prop attribute.
9541         (*negabsdi2_sign): Fixed z10prop attribute.
9542         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
9543         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
9544         (doloop_si64): Fixed z10prop attribute.
9545         (doloop_si31): Fixed z10prop attribute.
9546         (doloop_long): Fixed z10prop attribute.
9547         (indirect_jump): Fixed z10prop attribute.
9548         (nop): Fixed z10prop attribute.
9549         (main_base_64): Fixed z10prop attribute.
9550         (reload_base_64): Fixed z10prop attribute.
9551
9552 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
9553
9554         PR rtl-optimization/38740
9555         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
9556         if !optimize.
9557         * config/mips/mips.c (mips_reorg): Likewise.
9558
9559 2009-01-28  Richard Guenther  <rguenther@suse.de>
9560
9561         PR tree-optimization/38926
9562         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
9563         with the correct value id to a value.
9564         (do_regular_insertion): Use the value number of edoubleprime
9565         for the value number of the expr.
9566
9567         Revert
9568         2008-08-21  Richard Guenther  <rguenther@suse.de>
9569
9570         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
9571         a PHI ask VN if it is already available.
9572         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
9573         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
9574
9575 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
9576
9577         PR middle-end/38934
9578         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
9579         set to varying whenever max has TREE_OVERFLOW set, similarly
9580         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
9581
9582 2009-01-28  Richard Guenther  <rguenther@suse.de>
9583
9584         PR middle-end/38908
9585         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
9586         uninitialized aggregate uses in call arguments.
9587
9588 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
9589
9590         PR tree-optimization/38984
9591         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
9592         the nothing_id variable if -fno-delete-null-pointer-checks.
9593
9594 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
9595
9596         PR target/38988
9597         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
9598         (set_got_offset_rex64): Ditto.
9599
9600 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
9601
9602         PR target/38941
9603         * doc/extend.texi: Improve local variable with asm reg.
9604
9605 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
9606
9607         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
9608         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
9609         was not supplied then set warn_packed_bitfield_compat to the
9610         default value of 1.
9611         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
9612         against 1.
9613
9614 2009-01-27  Richard Guenther  <rguenther@suse.de>
9615
9616         PR tree-optimization/38503
9617         * cfgexpand.c (expand_gimple_basic_block): Ignore
9618         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
9619         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
9620         variables that cannot have TBAA applied.
9621         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
9622         statements.
9623
9624 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
9625
9626         PR middle-end/38969
9627         * calls.c (initialize_argument_information): Do not wrap complex
9628         arguments in SAVE_EXPR.
9629
9630 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
9631
9632         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
9633         (INSTALL_LIBGCC): Revert typo commit.
9634
9635 2009-01-26  Richard Guenther  <rguenther@suse.de>
9636
9637         PR tree-optimization/38745
9638         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
9639         from special handling.
9640
9641 2009-01-26  Richard Guenther  <rguenther@suse.de>
9642
9643         PR tree-optimization/38745
9644         * tree-ssa.c (execute_update_addresses_taken): Do not include
9645         variables that cannot possibly be a register in not_reg_needs.
9646         Do not clear TREE_ADDRESSABLE on vars that may not become
9647         registers.
9648         * tree-ssa.c (update_alias_info_1): Include those in the set
9649         of addressable vars.
9650
9651 2009-01-26  Richard Guenther  <rguenther@suse.de>
9652
9653         PR middle-end/38851
9654         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
9655         * tree-ssa-dse.c: Include langhooks.h
9656         (execute_simple_dse): Remove stores with zero size.
9657
9658 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
9659
9660         PR c/38957
9661         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
9662         as PLUS_EXPR.
9663
9664 2009-01-24  Julian Brown  <julian@codesourcery.com>
9665
9666         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
9667         config/arm/linux-atomic.c.
9668         * config/arm/linux-atomic.c: New.
9669
9670 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
9671
9672         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
9673         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
9674         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
9675
9676 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
9677
9678         PR c/38938
9679         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
9680         properly.
9681
9682 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
9683
9684         PR tree-optimization/38953
9685         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
9686         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
9687         (gloog): Split the exit of the scop when the scop exit is a loop exit.
9688         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
9689         changed the CFG.
9690
9691 2009-01-24  Paul Brook  <paul@codesourcery.com>
9692
9693         * config/arm/neon.md (neon_type): Move to arm.md.
9694         (neon_mov<VSTRUCT>): Add neon_type attribute.
9695         * config/arm/arm.md (neon_type): Move to here.
9696         (conds): Add "unconditioal" and use as default for NEON insns.
9697
9698 2009-01-24  Ben Elliston  <bje@au.ibm.com>
9699
9700         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
9701         void *' warning from -Wc++-compat.
9702         * Makefile.in (dominance.o-warn): Remove.
9703
9704 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
9705
9706         PR tree-optimization/38932
9707         * fold-const.c (fold_unary_ignore_overflow): New.
9708         * tree.h (fold_unary_ignore_overflow): Declare.
9709         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
9710         * tree-ssa-sccvn.c (visit_reference_op_load,
9711         simplify_unary_expression): Likewise.
9712
9713 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
9714
9715         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
9716         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
9717         regardless of their type.
9718         * c-common.c (handle_packed_attribute): Don't ignore packed on
9719         bitfields.
9720         * c.opt (Wpacked-bitfield-compat): New warning option.
9721         * stor-layout.c (place_field): Warn if offset of a field changed.
9722         * doc/extend.texi (packed): Mention the ABI change.
9723         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
9724         (Warning Options): Add it to the list.
9725
9726 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9727
9728         * c-opts.c (c_common_post_options): Fix a typo in comments.
9729
9730 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
9731
9732         PR middle-end/38615
9733         * gimplify.c (gimplify_init_constructor): Fix promotion of const
9734         variables to static.
9735         * doc/invoke.texi (-fmerge-all-constants): Update description.
9736
9737 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
9738
9739         PR target/38931
9740         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
9741         (*movdi_1_rex64): Use type "mmx" for alternative 5.
9742
9743 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
9744
9745         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
9746         a word boundary.
9747         (LOCAL_ALIGNMENT): Similarly.
9748
9749 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
9750             Joseph Myers  <joseph@codesourcery.com>
9751
9752         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
9753         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
9754         * config/arm/arm-tune.md: Regenerate.
9755         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
9756         -march=iwmmxt2.
9757
9758 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
9759
9760         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
9761         version number to five.
9762
9763 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
9764
9765         PR c++/38930
9766         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
9767         * c-common.c (set_underlying_type): Likewise.
9768         (is_typedef_decl ): Likewise
9769         * tree.h: Likewise
9770         (set_underlying_type): Likewise.
9771         (is_typedef_type): Likewise.
9772
9773 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
9774
9775         PR middle-end/38587
9776         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
9777         crossing setjmps.
9778
9779 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
9780
9781         PR bootstrap/37660
9782         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
9783         (LIBGCC_SPEC):  Don't define.
9784         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
9785
9786 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
9787
9788         PR rtl-optimization/38879
9789         * alias.c (base_alias_check): Unaligned access via AND address can
9790         alias all surrounding object types except those with sizes equal
9791         or wider than the size of unaligned access.
9792
9793 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
9794
9795         PR c++/26693
9796         * c-decl.c (clone_underlying_type): Move this ...
9797         * c-common.c (set_underlying_type): ... here.
9798         Also, make sure the function properly sets TYPE_STUB_DECL() on
9799         the newly created typedef variant type.
9800         (is_typedef_decl ): New entry point.
9801         * tree.h: Added a new member member_types_needing_access_check to
9802         struct tree_decl_non_common.
9803         (set_underlying_type): New entry point.
9804         (is_typedef_type): Likewise.
9805
9806 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
9807
9808         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
9809         Check whether two instructions have memory references that
9810         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
9811         are helper functions for traversing.
9812         * alias.h (insn_alias_sets_confilict_p): New prototypes.
9813         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
9814         not to draw dependency edge for instructions with non-conflicting
9815         alias sets.
9816
9817 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
9818
9819         PR other/38758
9820         * longlong.h: Update copyright years.  Use soft-fp license notice.
9821         Sync __clz_tab declaration with glibc.
9822
9823 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
9824
9825         PR target/30687
9826         * doc/extend.texi (syscall_linkage): New.
9827         (version_id): Modify.
9828
9829 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9830             Richard Guenther  <rguenther@suse.de>
9831
9832         PR tree-optimization/38747
9833         PR tree-optimization/38748
9834         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
9835         conversion if the base address is an indirect reference and the
9836         aliasing sets could cause issues.
9837
9838 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
9839
9840         * common.opt (fgraphite, fgraphite-identity): Add comment for
9841         explaining why these options are not documented.
9842
9843 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
9844
9845         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
9846         gimple_call_lhs is NULL.
9847
9848 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
9849
9850         PR target/38868
9851         * emit-rtl.c (adjust_address_1): Make sure memref is never
9852         overwritten.
9853
9854 2009-01-20  Ben Elliston  <bje@au.ibm.com>
9855
9856         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
9857         const qualifier from arg parameter. Remove unnecessary cast to char *.
9858         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
9859         const qualifier from arg 2.
9860
9861 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
9862
9863         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
9864
9865 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
9866
9867         PR c/38869
9868         * rtl.h (reinit_regs): New prototype.
9869         * regclass.c: Include ira.h.
9870         (reinit_regs): New.
9871         * Makefile.in (regclass.o): Add ira.h.
9872         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
9873
9874 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
9875
9876         PR target/38736
9877         * c-common.c (handle_aligned_attribute): Use
9878         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
9879         default alignment value.
9880
9881         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
9882
9883         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
9884         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
9885
9886         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
9887         __BIGGEST_ALIGNMENT__.
9888
9889         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
9890
9891 2009-01-18  Richard Guenther  <rguenther@suse.de>
9892
9893         PR tree-optimization/38819
9894         * tree-flow.h (operation_could_trap_helper_p): Declare.
9895         * tree-eh.c (operation_could_trap_helper_p): Export.
9896         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
9897         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
9898         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
9899         are about to insert a possibly trapping instruction and fail
9900         in this case.
9901
9902 2009-01-18  Andreas Schwab  <schwab@suse.de>
9903
9904         * doc/install.texi (Configuration): Remove obsolete paragraph
9905         about use of --with-gnu-ld with --with-gnu-as.
9906
9907 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
9908
9909         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
9910         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
9911         Follow spelling conventions.
9912
9913 2009-01-18  Ben Elliston  <bje@au.ibm.com>
9914
9915         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
9916         C++ warning about implicit conversion from void * to struct
9917         bitmap_head_def *.
9918         (bitmap_obstack_free): Likewise for bitmap_element *.
9919         * Makefile.in (bitmap.o-warn): Remove.
9920
9921 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
9922
9923         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
9924
9925 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
9926             Tobias Grosser  <tobi.grosser@amd.com>
9927
9928         * graphite.c (graphite_trans_scop_block): Do not block single
9929         nested loops.
9930
9931 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
9932
9933         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
9934         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
9935         test with assertion.
9936
9937 2009-01-16  Richard Guenther  <rguenther@suse.de>
9938
9939         PR tree-optimization/38835
9940         PR middle-end/36227
9941         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
9942         and INT + PTR -> (INT)(PTR p+ INT) folding.
9943         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
9944
9945 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
9946
9947         PR target/38554
9948         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
9949         the subreg from a lowpart subreg if it is also casting the value.
9950
9951 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9952             Tobias Grosser  <tobi.grosser@amd.com>
9953
9954         * graphite.c (compare_prefix_loops): New.
9955         (build_scop_canonical_schedules): Rewritten.
9956         (graphite_transform_loops): Move build_scop_canonical_schedules
9957         after build_scop_iteration_domain.
9958
9959 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9960             Tobias Grosser  <tobi.grosser@amd.com>
9961
9962         * graphite.c (add_conditions_to_domain): Add the loops to
9963         the dimension of the iteration domain.  Do copy the domain
9964         only when it exists.
9965         (build_scop_conditions_1): Do not call add_conditions_to_domain.
9966         (add_conditions_to_constraints): New.
9967         (can_generate_code_stmt, can_generate_code): Removed.
9968         (gloog): Do not call can_generate_code.
9969         (graphite_transform_loops): Call add_conditions_to_constraints
9970         after building the iteration domain.
9971
9972 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
9973
9974         PR tree-optimization/38789
9975         * tree-ssa-threadedge.c
9976         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
9977         __builtin_constant_p.
9978
9979 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
9980
9981         * dce.c (delete_unmarked_insns): Reversed the order that insns are
9982         examined before deleting them.
9983
9984 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
9985
9986         * function.c (aggregate_value_p): Correctly extract the function
9987         type from CALL_EXPR_FN lookup.
9988
9989 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
9990
9991         * config/picochip/picochip.c (picochip_override_options): Revert
9992         CFI asm flag disable commited previously.
9993
9994 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
9995             Tobias Grosser  <tobi.grosser@amd.com>
9996             Jan Sjodin  <jan.sjodin@amd.com>
9997
9998         * graphite.c (scan_tree_for_params): On substractions negate
9999         all the coefficients of the term.
10000         (clast_to_gcc_expression_red): New.  Handle reduction expressions
10001         of more than two operands.
10002         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
10003         (get_vdef_before_scop): Handle also the case of default definitions.
10004
10005 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
10006
10007         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
10008         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
10009         Also use them when walking CALL_INSN_FUNCTION_USAGE.
10010
10011 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
10012             Joey Ye  <joey.ye@intel.com>
10013
10014         PR middle-end/37843
10015         * cfgexpand.c (expand_stack_alignment): Don't update stack
10016         boundary nor check incoming stack boundary here.
10017         (gimple_expand_cfg): Update stack boundary and check incoming
10018         stack boundary here.
10019
10020 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
10021
10022         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
10023
10024 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
10025
10026         PR rtl-optimization/38245
10027         * calls.c (expand_call): Add stack arguments to
10028         CALL_INSN_FUNCTION_USAGE even for pure calls (when
10029         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
10030         in regs and partially in memory or BLKmode arguments.
10031         (emit_library_call_value_1): Add stack arguments to
10032         CALL_INSN_FUNCTION_USAGE even for pure calls (when
10033         ACCUMULATE_OUTGOING_ARGS).
10034         * dce.c: Include tm_p.h.
10035         (find_call_stack_args): New function.
10036         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
10037         argument.
10038         (mark_insn): Call find_call_stack_args for CALL_Ps.
10039         (prescan_insns_for_dce): Walk insns backwards in bb rather than
10040         forwards.  Allocate and free arg_stores bitmap if needed, pass it
10041         down to deletable_insn_p, don't mark stores set in arg_stores
10042         bitmap, clear the bitmap at the beginning of each bb.
10043         * Makefile.in (dce.o): Depend on $(TM_P_H).
10044
10045 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
10046
10047         PR target/22599
10048         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
10049         to make sure the insn is a conditional test (bug 22599).  Reformat a
10050         few long lines.
10051
10052 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
10053
10054         PR middle-end/38431
10055         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
10056         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
10057         (gloog): Do not call cleanup_tree_cfg.
10058         (graphite_transform_loops): Call cleanup_tree_cfg after all
10059         scops have been code generated.
10060
10061 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
10062         * doc/gty.texi (Invoking the garbage collector): Added new node
10063         and section documenting ggc_collect.
10064
10065 2009-01-14  Richard Guenther  <rguenther@suse.de>
10066
10067         PR tree-optimization/38826
10068         PR middle-end/38477
10069         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
10070         initialization notes only if we actually emitted a warning.
10071         (intra_create_variable_infos): Add constraints for a result decl
10072         that is passed by hidden reference.
10073         (build_pred_graph): Mark all related variables non-direct on
10074         address-taking.
10075
10076 2009-01-14  Nick Clifton  <nickc@redhat.com>
10077
10078         * ira-conflicts.c: Include addresses.h for the definition of
10079         base_reg_class.
10080         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
10081         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
10082
10083 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
10084
10085         PR target/38811
10086         * Makefile.in (ira-lives.o): Add except.h.
10087
10088         * ira-lives.c: Include except.h.
10089         (process_bb_node_lives): Process can_throw_internal.
10090
10091 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
10092
10093         PR rtl-optimization/38774
10094         * combine.c (simplify_set): When undoing cc_use change, don't do
10095         PUT_CODE on the newly created comparison, but instead put back the
10096         old comparison.
10097
10098 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
10099
10100         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
10101         values.  Remove duplicate arm8 entry.
10102
10103 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
10104
10105         PR tree-optimization/38786
10106         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
10107         the SSA_NAME case of expand_scalar_variables_expr.
10108         Set the type of an expression to the type of its assign statement.
10109         (expand_scalar_variables_expr): Also gather the scalar computation
10110         used to index the memory access.  Do not pass loop_p.
10111         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
10112         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
10113         the gimple_stmt_iterator where it inserts new code.
10114         Do not pass loop_p.
10115         (copy_bb_and_scalar_dependences): Do not pass loop_p.
10116         (translate_clast): Update call to copy_bb_and_scalar_dependences.
10117
10118 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
10119
10120         * graphite.h (debug_value): Removed.
10121         * graphite.c (debug_value): Removed.
10122
10123 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
10124
10125         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
10126         ldrd/strd with two 32-bit instructions.
10127
10128 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
10129
10130         * config/arm/arm.c (struct processors): Pass for speed down into
10131         cost helper functions.
10132         (const_ok_for_op): Handle COMPARE and inequality nodes.
10133         (arm_rtx_costs_1): Rewrite.
10134         (arm_size_rtx_costs): Update prototype.
10135         (arm_rtx_costs): Pass speed down to helper functions.
10136         (arm_slowmul_rtx_costs): Rework cost calculations.
10137         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
10138         (arm_9e_rtx_costs): Likewise.
10139
10140 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
10141
10142         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
10143         relocations of local symbols wider than UNITS_PER_WORD are not valid.
10144         (alpha_legitimize_address): Do not split local symbols wider than
10145         UNITS_PER_WORD into HIGH/LO_SUM parts.
10146
10147 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
10148
10149         PR bootstrap/38580
10150         * gcc.c (process_command): Replace call to execvp with calls
10151         to pex_one and exit.
10152
10153 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
10154
10155         PR target/29141
10156         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
10157         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
10158         variant for devices with 3-byte PC.
10159         (__tablejump_elpm__): New.
10160
10161 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
10162
10163         PR c/32041
10164         * c-parser.c (c_parser_postfix_expression): Allow `->' in
10165         offsetof member-designator, handle it as `[0].'.
10166
10167 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10168
10169         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
10170         function when not using named sections on targets with named sections
10171         if branch distance is less than 262132.
10172
10173 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
10174
10175         * combine.c (combine_instructions):  Recompute
10176         optimize_this_for_speed_p  for each BB in the main combine loop.
10177
10178 2009-01-12  Tomas Bily  <tbily@suse.cz>
10179
10180         PR middlend/38385
10181         * tree-loop-distribution.c (prop_phis): New function.
10182         (generate_builtin): Call prop_phis.
10183         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
10184
10185 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
10186
10187         PR tree-optimization/38807
10188         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
10189         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
10190
10191 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
10192
10193         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
10194         subreg of op0 to the original op0.
10195
10196 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
10197
10198         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
10199
10200 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
10201
10202         PR debug/7055
10203         * mips-tfile.c (parse_def): Fix parsing of def strings
10204         starting with digits.
10205
10206 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
10207
10208         PR target/38695
10209         * config/arm/arm.c (arm_is_long_call_p): Don't call
10210         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
10211
10212 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
10213
10214         * regrename.c (regrename_optimize): Fix dumping.
10215         (find_oldest_value_reg): Preserve REG_POINTER.
10216         (copy_hardreg_forward_1): Likewise.
10217
10218 2009-01-09  Diego Novillo  <dnovillo@google.com>
10219
10220         * gimple.h (struct gimple_statement_base) <uid>: Document
10221         the restrictions on its use.
10222         (gimple_uid): Tidy.
10223         (gimple_set_uid): Tidy.
10224
10225 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
10226
10227         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
10228         zero guard even if align_bytes != 0 and count is smaller than
10229         size_needed.
10230
10231 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
10232
10233         PR rtl-optimization/38495
10234         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
10235         (add_range_and_copies_from_move_list): Print all added ranges.
10236         Add ranges to memory optimized destination.
10237
10238 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
10239
10240         PR target/38686
10241         PR target/38708
10242         * config/i386/i386.c (override_options): Reject
10243         -mstringop-strategy=rep_8byte with -m32.
10244         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
10245         to 1.  Do count comparison against epilogue_size_needed at compile
10246         time even when count_exp was constant forced into register.  For
10247         size_needed don't jump to epilogue, instead just avoid aligning
10248         and invoke the body algorithm.  If need_zero_guard, add zero guard
10249         even if count is non-zero, but smaller than size_needed + number of
10250         bytes that could be stored for alignment.
10251         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
10252         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
10253         but smaller than size_needed + number of bytes that could be stored
10254         for alignment.  Compare size_needed with epilogue_size_needed instead
10255         of desired_align - align, don't adjust size_needed, pass
10256         epilogue_size_needed to the epilogue expanders.
10257
10258         PR c/35742
10259         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
10260
10261 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10262
10263         * pa.c (last_address): Change to unsigned.
10264         (update_total_code_bytes): Change argument to unsigned.  Don't
10265         check if insn addresses are set.
10266         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
10267         addresses are not set.
10268         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
10269
10270 2009-01-09  Nick Clifton  <nickc@redhat.com>
10271
10272         * config/sh/symbian.c: Replace uses of DECL_INLINE with
10273         DECL_DECLARED_INLINE_P.
10274
10275 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
10276
10277         PR middle-end/38347
10278         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
10279         GET_MODE (op0) in operand_subword_force calls.
10280
10281         PR middle-end/38771
10282         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
10283         fold_convert arg0 operands to TREE_TYPE (op0) first.
10284
10285 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
10286
10287         * params.def (ira-max-conflict-table-size): Decrease default value
10288         to 1000.
10289
10290 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
10291
10292         PR tree-optimization/37031
10293         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
10294         on parameter_set.
10295         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
10296         allocate it using gc instead of heap, use VEC_quick_push instead of
10297         VEC_safe_push.
10298         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
10299         instead of heap, use VEC_quick_push instead of VEC_safe_push.
10300         * tree-data-ref.h (struct access_matrix): Change matrix to gc
10301         allocated vector from heap allocated.
10302         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
10303         * tree-loop-linear.c (linear_transform_loops): Allocate nest
10304         vector only after perfect_loop_nest_depth call.
10305
10306 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
10307             Jan Sjodin  <jan.sjodin@amd.com>
10308
10309         PR tree-optimization/38559
10310         * graphite.c (debug_value, copy_constraint,
10311         swap_constraint_variables, scale_constraint_variable, ): New.
10312         (get_lower_bound, get_upper_bound): Removed.
10313         (graphite_trans_bb_strip_mine): Clean up this code that works
10314         only for constant number of iterations.  Fully copy upper and
10315         lower bound constraints, not only the constant part of them.
10316         * graphite.h (debug_value): Declared.
10317
10318 2009-01-08  Ira Rosen  <irar@il.ibm.com>
10319
10320         PR tree-optimization/37194
10321         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
10322         Don't add the cost of cost model guard in prologue to scalar
10323         outside cost in case of known number of iterations.
10324
10325 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
10326             Alan Modra  <amodra@bigpond.net.au>
10327
10328         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
10329         non-word-aligned REG+CONST addressing.
10330
10331 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
10332
10333         PR target/38706
10334         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
10335         free_after_compilation when outputting a thunk.
10336         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
10337         Do not call free_after_compilation here.
10338
10339 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
10340
10341         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
10342         (ix86_valid_target_attribute_inner_p): Ditto.
10343
10344 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
10345
10346         PR tree-optimization/38492
10347         PR tree-optimization/38498
10348         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
10349         * tree-chrec.h (scev_is_linear_expression): Declared.
10350         * graphite.c (graphite_cannot_represent_loop_niter): New.
10351         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
10352         (graphite_loop_normal_form): Use gcc_assert.
10353         (scan_tree_for_params): Use CASE_CONVERT.
10354         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
10355         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
10356         Use gcc_assert.  Discard scops that contain unhandled cases.
10357         (build_scop_conditions): Return a boolean status for unhandled cases.
10358         (strip_mine_profitable_p): Print the loop number, not its depth.
10359         (is_interchange_valid): Pass the depth of the loop nest, don't
10360         recompute it wrongly.
10361         (graphite_trans_bb_block): Same.
10362         (graphite_trans_bb_block): Print tentative of loop blocking.
10363         (graphite_trans_scop_block): Do not print that the loop has been
10364         blocked.
10365         (graphite_transform_loops): Do not handle scops that contain condition
10366         scalar phi nodes.
10367
10368 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
10369
10370         AVX Programming Reference (December, 2008)
10371         * config/i386/avxintrin.h (_mm256_stream_si256): New.
10372         (_mm256_stream_pd): Likewise.
10373         (_mm256_stream_ps): Likewise.
10374
10375         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
10376         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
10377         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
10378         (bdesc_special_args): Add __builtin_ia32_movntdq256,
10379         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
10380         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
10381         (ix86_expand_special_args_builtin): Likewise.
10382
10383         * config/i386/sse.md (AVXMODEDI): New.
10384         (avx_movnt<mode>): Likewise.
10385         (avx_movnt<mode>): Likewise.
10386         (<sse>_movnt<mode>): Remove AVX support.
10387         (sse2_movntv2di): Likewise.
10388
10389 2009-01-07  Richard Guenther  <rguenther@suse.de>
10390
10391         PR middle-end/38751
10392         * fold-const.c (extract_muldiv): Remove obsolete comment.
10393         (fold_plusminus_mult_expr): Undo MINUS_EXPR
10394         to PLUS_EXPR canonicalization for the canonicalization.
10395
10396 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
10397
10398         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
10399         hosted cross-compilers generating less efficient code.
10400
10401 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
10402
10403         * function.h (rtl_data): Add a dbr_scheduled_p field.
10404         * reorg.c (dbr_schedule): Set it.
10405         (gate_handle_delay_slots): Check it.
10406         * config/mips/mips.c (mips_base_delayed_branch): Delete.
10407         (mips_reorg): Check flag_delayed_branch instead of
10408         mips_base_delayed_branch.
10409         (mips_override_options): Don't set mips_base_delayed_branch
10410         or flag_delayed_branch.
10411
10412 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
10413
10414         PR rtl-optimization/38426.
10415         * ira.c (ira): Set current_function_is_leaf earlier.
10416
10417 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
10418
10419         PR rtl-optimization/38722
10420         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
10421         too early, only set a flag and modify after last possible
10422         undo_all point.
10423
10424 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
10425
10426         PR c/34252
10427         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
10428         * real.c (decimal_single_format): Correct values of emin and emax.
10429         (decimal_double_format): Ditto.
10430         (decimal_quad_format): Ditto.
10431         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
10432         computation of DECnn_MIN and DECnn_MAX for corrected values of
10433         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
10434         __DECnn_MIN__, and adjust its computation for the corrected value
10435         of emin.
10436
10437 2009-01-06  Jan Hubicka  <jh@suse.cz>
10438
10439         PR target/38744
10440         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
10441
10442 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
10443
10444         * doc/contrib.texi (Contributors): Slightly adjust the end note.
10445         Add Robert Clark to the list of testers.
10446
10447 2009-01-06  Jan Hubicka  <jh@suse.cz>
10448             Kai Tietz  <kai.tietz@onevision.com>
10449
10450         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
10451         * config/i386/i386.c (ix86_expand_call): Add clobbers.
10452
10453 2009-01-06  Jan Hubicka  <jh@suse.cz>
10454             Kai Tietz  <kai.tietz@onevision.com>
10455
10456         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
10457         for w64 ABI.
10458         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
10459         (ix86_nsaved_regs): Count only general purpose regs.
10460         (ix86_nsaved_sseregs): New.
10461         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
10462         to 16 for w64; compute padding and size of sse reg save area.
10463         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
10464         general purpose regs.
10465         (ix86_emit_save_sse_regs_using_mov): New.
10466         (ix86_expand_prologue): Save SSE regs if needed.
10467         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
10468         (ix86_emit_restore_sse_regs_using_mov): New.
10469         (ix86_expand_epilogue): Save SSE regs if needed.
10470
10471 2009-01-06  Jan Hubicka  <jh@suse.cz>
10472             Kai Tietz  <kai.tietz@onevision.com>
10473
10474         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
10475         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
10476         functions when accumulate outgoing args is off.
10477
10478 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
10479
10480         PR bootstrap/38742
10481         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
10482         before using pseudos_have_intersected_live_ranges_p.
10483
10484         * ira-int.h (ira_assert): Always define.
10485
10486 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
10487
10488         AVX Programming Reference (December, 2008)
10489         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
10490         (_mm256_permute2_pd): Likewise.
10491         (_mm_permute2_ps): Likewise.
10492         (_mm256_permute2_ps): Likewise.
10493         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
10494         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
10495
10496         * config/i386/i386.c (ix86_builtins): Remove
10497         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
10498         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
10499         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
10500         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
10501         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
10502         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
10503         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
10504         __builtin_ia32_vpermil2ps256.
10505         (ix86_init_mmx_sse_builtins): Updated.
10506         (ix86_expand_args_builtin): Likewise.
10507
10508 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10509
10510         * pa.c (output_call): Relocate non-jump insns in the delay slot of
10511         long absolute calls when generating PA 2.0 code.
10512
10513 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
10514
10515         PR rtl-optimization/38583
10516         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
10517
10518         * params.def (ira-max-conflict-table-size): New.
10519
10520         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
10521
10522         * ira.h (ira_conflicts_p): New external definition.
10523
10524         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
10525         table.  Report this.  Return result of building.
10526         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
10527         building conflict table.
10528
10529         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
10530         (ira_color): Use ira_conflicts_p.
10531
10532         * global.c: Include ira.h.
10533         (pseudo_for_reload_consideration_p, build_insn_chain): Use
10534         ira_conflicts_p.
10535
10536         * Makefile.in (global.o): Add ira.h.
10537
10538         * ira-build.c (mark_all_loops_for_removal,
10539         propagate_some_info_from_allocno): New.
10540         (remove_unnecessary_allocnos): Call
10541         propagate_some_info_from_allocno.
10542         (remove_low_level_allocnos): New.
10543         (remove_unnecessary_regions): Add parameter.  Call
10544         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
10545         parameter to remove_unnecessary_regions.
10546         (ira_build): Remove all regions but root if the conflict table was
10547         not built.  Update conflict hard regs for allocnos crossing calls.
10548
10549         * ira.c (ira_conflicts_p): New global.
10550         (ira): Define and use ira_conflicts_p.
10551
10552         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
10553         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
10554         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
10555
10556 2009-01-06  Ben Elliston  <bje@au.ibm.com>
10557
10558         * gengtype-lex.l (YY_NO_INPUT): Define.
10559
10560 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10561
10562         PR c/34911
10563         * c-common.c (handle_vector_size_attribute): Also reject
10564         BOOLEAN_TYPE types.
10565
10566 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
10567
10568         PR tree-optimization/38492
10569         * graphite.c (rename_map_elt, debug_rename_elt,
10570         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
10571         rename_map_elt_info, eq_rename_map_elts,
10572         get_new_name_from_old_name, bb_in_sese_p): Moved around.
10573         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
10574         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
10575         (sese_build_livein_liveouts): New.
10576         (new_sese, free_sese): New.
10577         (new_scop): Call new_sese.
10578         (free_scop): Call free_sese.
10579         (rename_variables_from_edge, rename_phis_end_scop): Removed.
10580         (register_old_new_names): Renamed register_old_and_new_names.
10581         (register_scop_liveout_renames, add_loop_exit_phis,
10582         insert_loop_close_phis, struct igp,
10583         default_liveout_before_guard, add_guard_exit_phis,
10584         insert_guard_phis, copy_renames): New.
10585         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
10586         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
10587         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
10588         (scop_adjust_phis_for_liveouts): New.
10589         (gloog): Call scop_adjust_phis_for_liveouts.
10590
10591         * graphite.h (struct sese): Documented.  Added fields liveout,
10592         num_ver and livein.
10593         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
10594         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
10595         (struct scop): Added field liveout_renames.
10596         (SCOP_LIVEOUT_RENAMES): New.
10597
10598 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10599
10600         PR tree-optimization/38510
10601         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
10602         (translate_clast): Call recompute_all_dominators before
10603         graphite_verify.
10604         (gloog): Call recompute_all_dominators before graphite_verify.
10605
10606 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10607             Jan Sjodin  <jan.sjodin@amd.com>
10608
10609         PR tree-optimization/38500
10610         * graphite.c (create_sese_edges): Call fix_loop_structure after
10611         splitting blocks.
10612
10613 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
10614
10615         * config.gcc: Add m32r*-*-rtems*.
10616         * config/m32r/rtems.h: New file.
10617
10618 2009-01-05  Ben Elliston  <bje@au.ibm.com>
10619
10620         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
10621         (.po.pox): Likewise.
10622         (po/gcc.pot): Likewise.
10623
10624 2009-01-04  David S. Miller  <davem@davemloft.net>
10625
10626         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
10627         (STARTING_FRAME_OFFSET): Always set to zero.
10628
10629 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
10630
10631         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
10632         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
10633         fixed-point types, and vectors of the same.
10634
10635 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
10636
10637         * config/mips/sync.md (*mb_barrier): Rename to...
10638         (*memory_barrier): ...this.
10639
10640 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
10641
10642         * doc/extend.texi (Function Attributes): Move @cindex after @item
10643         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
10644         and put in alphabetical order. Fix 'target' name and put in order.
10645         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
10646         typos.
10647
10648 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
10649
10650         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
10651         (memory_barrier): Expand as unspec instead of unspec_volatile.
10652         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10653         (*memory_barrier): Define as unspec instead of unspec_volatile.
10654         Use (match_dup 0) as input operand.
10655
10656         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
10657         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
10658         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
10659         scratch register.  Remove operand 1.
10660         (*stbar): Define as unspec instead of unspec_volatile.
10661         Use (match_dup 0) as input operand, remove (const_int 8).
10662         (*membar): Define as unspec instead of unspec_volatile.
10663         Use (match_dup 0) as input operand, remove input operand 2.
10664
10665         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
10666         (memory_barrier): Expand as unspec instead of unspec_volatile.
10667         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10668         (*memory_barrier): Define as unspec instead of unspec_volatile.
10669         Use (match_dup 0) as input operand.
10670
10671         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
10672         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10673         Set volatile flag on operand 0.
10674         (*memory_barrier): New insn pattern.
10675
10676         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
10677         insn operands.
10678         (*memory_barrier): Use (match_dup 0) as input operand.
10679
10680         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
10681         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10682         Set volatile flag on operand 0.
10683         (*mb_internal): New insn pattern.
10684
10685         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
10686
10687 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
10688
10689         PR middle-end/38586
10690         * function.c (struct temp_slot): Move to the section of the file
10691         that deals with temp slots.  Remove field 'address'.
10692         (temp_slot_address_table): New hash table of address -> temp slot.
10693         (struct temp_slot_address_entry): New struct, items for the table.
10694         (temp_slot_address_compute_hash, temp_slot_address_hash,
10695         temp_slot_address_eq, insert_temp_slot_address): Support functions
10696         for the new table.
10697         (find_temp_slot_from_address): Rewrite to use the new hash table.
10698         (remove_unused_temp_slot_addresses): Remove addresses of temp
10699         slots that have been made available.
10700         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
10701         worker function for remove_unused_temp_slot_addresses.
10702         (assign_stack_temp_for_type): Don't clear the temp slot address list.
10703         Add the temp slot address to the address -> temp slot map.
10704         (update_temp_slot_address): Update via insert_temp_slot_address.
10705         (free_temp_slots): Call remove_unused_temp_slot_addresses.
10706         (pop_temp_slots): Likewise.
10707         (init_temp_slots): Allocate the address -> temp slot map, or empty
10708         the map if it is already allocated.
10709         (prepare_function_start): Initialize temp slot processing.
10710
10711 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
10712
10713         PR middle-end/38584
10714         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
10715         Calculate the size of all stack vars assuming no packing of stack
10716         vars will happen, replacing a quadratic algorithm with a linear one.
10717
10718 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
10719
10720         PR target/38707
10721         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
10722         can't be used.
10723
10724 2009-01-03  Diego Novillo  <dnovillo@google.com>
10725
10726         * doc/contrib.texi: Update contributions.
10727
10728 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
10729
10730         PR c++/38705
10731         * builtins.c (fold_builtin_memory_op): Give up if either operand
10732         is volatile.  Set srctype or desttype to non-qualified version
10733         of the other type.
10734
10735         PR c/38700
10736         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
10737         and FUNCTION_DECLs.
10738
10739 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
10740
10741         PR rtl-optimization/35805
10742         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
10743         problem if fast dce is able to remove any instructions.
10744         * dce.c (dce_process_block): Fix dump message.
10745
10746 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
10747
10748         PR 33649
10749         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
10750
10751 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
10752
10753         PR middle-end/38690
10754         * tree-flow.h (op_code_prio, op_prio): New prototypes.
10755         * tree-pretty-print.c (op_code_prio): New function.
10756         (op_prio): No longer static.  Use op_code_prio.
10757         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
10758         Use op_prio and op_code_prio to determine if () should be
10759         printed around operand(s) or not.
10760
10761         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
10762         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
10763         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
10764         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
10765         pp_character instead of pp_string for single letter printing.
10766
10767 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
10768
10769         * doc/extend.texi: Fix '#pragma GCC option' typo.
10770
10771 2009-01-02  Richard Guenther  <rguenther@suse.de>
10772
10773         * doc/install.texi (--enable-checking): Mention different
10774         default for stage1.
10775         (--enable-stage1-checking): Document.
10776
10777 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
10778
10779         PR middle-end/30142
10780         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
10781         case to be an error.
10782
10783 2009-01-02  Ben Elliston  <bje@au.ibm.com>
10784
10785         * config/fp-bit.h (pack_d): Constify argument.
10786         * config/fp-bit.c (makenan): Constify return type. Remove casts.
10787         (isnan): Constify argument.
10788         (isinf): Likewise.
10789         (iszero): Likewise.
10790         (pack_d): Likewise.
10791         (_fpadd_parts): Constify return type.
10792         (_fpmul_parts): Likewise.
10793         (_fpdiv_parts): Likewise.
10794
10795 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
10796
10797         PR c/36489
10798         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
10799         warn about overwriting initializer with side-effects or
10800         -Woverride-init if !IMPLICIT.
10801         (output_init_element): Likewise.  Pass IMPLICIT down to
10802         add_pending_init.
10803         (process_init_element): Add IMPLICIT argument.  Pass it down
10804         to output_init_element.
10805         (push_init_element, pop_init_level, set_designator): Adjust
10806         process_init_element callers.
10807         (set_nonincremental_init, set_nonincremental_init_from_string):
10808         Adjust add_pending_init callers.
10809         (output_pending_init_elements): Adjust output_init_element callers.
10810         * c-tree.h (process_init_element): Adjust prototype.
10811         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
10812         process_init_element callers.
10813
10814 \f
10815 Copyright (C) 2009 Free Software Foundation, Inc.
10816
10817 Copying and distribution of this file, with or without modification,
10818 are permitted in any medium without royalty provided the copyright
10819 notice and this notice are preserved.