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2009-07-17 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-07-17  Richard Guenther  <rguenther@suse.de>
2
3         PR tree-optimization/40321
4         * tree-ssa-pre.c (add_to_exp_gen): Also add names defined by
5         PHI nodes to the maximal set.
6         (make_values_for_phi): Add PHI arguments to the maximal set.
7         (execute_pre): Dump PHI_GEN and the maximal set.
8
9 2009-07-17  Jakub Jelinek  <jakub@redhat.com>
10
11         PR c++/40780
12         * gimplify.c (gimplify_conversion): Don't change non-conversions into
13         VIEW_CONVERT_EXPR.
14
15 2009-07-16  Sandra Loosemore  <sandra@codesourcery.com>
16
17         * doc/extend.texi (Nested Functions): Replace broken link with
18         textual reference.
19         * doc/service.texi (Service): Remove broken link.
20
21 2009-07-16  H.J. Lu  <hongjiu.lu@intel.com>
22
23         PR bootstrap/40781
24         * builtins.c (expand_builtin_memcmp): Use loc instead of
25         EXPR_LOCATION (exp).
26         (expand_builtin_strncmp): Likewise.
27
28 2009-07-17  Aldy Hernandez  <aldyh@redhat.com>
29             Manuel López-Ibáñez  <manu@gcc.gnu.org>
30
31         PR 40435 
32         * tree-complex.c, tree-loop-distribution.c, tree.c, tree.h,
33         builtins.c, fold-const.c, omp-low.c, cgraphunit.c, tree-ssa-ccp.c,
34         tree-ssa-dom.c, gimple-low.c, expr.c, tree-ssa-ifcombine.c,
35         c-decl.c, stor-layout.c, tree-if-conv.c, c-typeck.c, gimplify.c,
36         calls.c, tree-sra.c, tree-mudflap.c, tree-ssa-copy.c,
37         tree-ssa-forwprop.c, c-convert.c, c-omp.c, varasm.c,
38         tree-inline.c, c-common.c, c-common.h, gimple.c,
39         tree-switch-conversion.c, gimple.h, tree-cfg.c, c-parser.c,
40         convert.c: Add location argument to fold_{unary,binary,ternary},
41         fold_build[123], build_call_expr, build_size_arg,
42         build_fold_addr_expr, build_call_array, non_lvalue, size_diffop,
43         fold_build1_initializer, fold_build2_initializer,
44         fold_build3_initializer, fold_build_call_array,
45         fold_build_call_array_initializer, fold_single_bit_test,
46         omit_one_operand, omit_two_operands, invert_truthvalue,
47         fold_truth_not_expr, build_fold_indirect_ref, fold_indirect_ref,
48         combine_comparisons, fold_builtin_*, fold_call_expr,
49         build_range_check, maybe_fold_offset_to_address, round_up,
50         round_down.
51
52 2009-07-16  Jason Merrill  <jason@redhat.com>
53
54         PR libstdc++/37907
55         * c-common.c (c_common_reswords): Add __is_standard_layout
56         and __is_trivial.
57         * c-common.h (enum rid): Add RID_IS_STD_LAYOUT and RID_IS_TRIVIAL.
58         * doc/implement-cxx.texi: New.
59         * doc/gcc.texi: Include it.
60
61 2009-07-16  DJ Delorie  <dj@redhat.com>
62
63         * config/m32c/m32c.c (m32c_compare_redundant): Avoid removing
64         compares that may be indirectly affected by previous instructions.
65
66 2009-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
67
68         * builtins.c (do_mpc_arg2): New.
69         (fold_builtin_2): Fold builtin cpow.
70         * real.h (HAVE_mpc_pow): New.
71
72 2009-07-16  Bingfeng Mei  <bmei@broadcom.com>
73
74         * modulo-sched.c (sms_schedule): stage_count <= 1 as correct comparison
75         to skip unprofitable schedule
76         
77 2009-07-16  Simon Baldwin  <simonb@google.com>
78
79         * gcc.c (option_map): New flag -no-canonical-prefixes.
80         * (display_help): Print help text for new flag.
81         * (process_command): Move options translation and language specifics
82         and handle new flag early.  Use it to set a function pointer to a
83         prefix builder.  Replace make_relative_prefix calls with calls to
84         the function pointed to.  Ignore new flag in regular options handling.
85         * doc/invoke.texi (Overall Options): Documented -no-canonical-prefixes.
86
87 2009-07-15  DJ Delorie  <dj@redhat.com>
88
89         * config/mep/mep.md (sibcall_internal): Change register to avoid
90         argument registers.
91         (sibcall_value_internal): Likewise.
92
93 2009-07-15  Eric Botcazou  <ebotcazou@adacore.com>
94
95         PR rtl-optimization/40710
96         * resource.c (mark_target_live_regs): Reset DF problem to LR.
97
98 2009-07-15  Adam Nemet  <anemet@caviumnetworks.com>
99
100         * config/mips/mips.md (*extenddi_truncate<mode>,
101         *extendsi_truncate<mode>): Change type attribute to move_type
102         with shift_shift.  Split out code handling exts from here ...
103         (*extend<GPR:mode>_truncate<SHORT:mode>_exts): ... to this new
104         pattern.
105         (*extendhi_truncateqi): Change type attribute to move_type with
106         shift_shift.  Split out code handling exts from here ...
107         (*extendhi_truncateqi_exts): ... to this new pattern.
108
109 2009-07-15  Uros Bizjak  <ubizjak@gmail.com>
110
111         * config/i386/sse.md (copysign<mode>3): Use "and-not" SSE instruction
112         instead of "and" with inverted sign bit mask value.  Use
113         "nonimmediate_operand" for operand 1 and operand 2 predicate.
114         Allocate registers only for operand 4 and operand 5.
115
116 2009-07-15  Jakub Jelinek  <jakub@redhat.com>
117
118         PR middle-end/40747
119         * fold-const.c (fold_cond_expr_with_comparison): When folding
120         < and <= to MIN, make sure the MIN uses the same type as the
121         comparison's operands.
122
123 2009-07-15  Richard Earnshaw  <rearnsha@arm.com>
124
125         * arm.md (ior_xor): New code iterator.
126         (split for ior/xor with shift and zero-extend): New split pattern.
127         * arm/predicates.md (subreg_lowpart_operator): New special predicate.
128
129 2009-07-15  Richard Guenther  <rguenther@suse.de>
130
131         * tree-ssa-structalias.c (make_constraint_from_heapvar): Initialize
132         offset member.
133
134 2009-07-15  Richard Guenther  <rguenther@suse.de>
135
136         PR middle-end/40753
137         * alias.c (ao_ref_from_mem): Reject FUNCTION_DECL and LABEL_DECL bases.
138
139 2009-07-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
140
141         * config/m68k/linux-unwind.h (m68k_fallback_frame_state): Update to
142         handle 2.6.30 kernel.
143
144 2009-07-15  DJ Delorie  <dj@redhat.com>
145
146         * config/mep/mep.md (sibcall_internal): Change register to allow
147         for 24-bit addresses.
148         (sibcall_value_internal): Likewise.
149
150 2009-07-14  Ghassan Shobaki  <ghassan.shobaki@amd.com>
151         
152         * doc/invoke.texi: Added descriptions of the  scheduling heuristics
153         that are enabled/disabled by the flags introduced by a previous patch.
154         
155 2009-07-14  DJ Delorie  <dj@redhat.com>
156
157         * config/mep/mep.md (sibcall_internal): Include non-toggling
158         non-jmp case.
159         (sibcall_value_internal): Likewise.
160
161 2009-07-14  Taras Glek  <tglek@mozilla.com>
162             Rafael Espindola  <espindola@google.com>
163
164         * doc/sourcebuild.texi: Document install-plugin target.
165         * configure.ac: Added install-plugin target to language makefiles.
166         * configure: Regenerate.
167         * Makefile.in: (install-plugin): Install more headers,
168         depend on lang.install-plugin.
169
170 2009-07-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
171
172         * tree-vrp.c (vrp_evaluate_conditional): Mark strings for
173         translation.
174         
175 2009-07-14  DJ Delorie  <dj@redhat.com>
176
177         * config/mep/mep.c (mep_vliw_jmp_match): New function.
178         * config/mep/mep-protos.h (mep_vliw_jmp_match): Prototype it.
179         * config/mep/mep.md (sibcall_internal): Change test from
180         mep_vliw_mode_match to mep_vliw_jmp_match.
181         (sibcall_value_internal): Likewise.
182
183 2009-07-14  Uros Bizjak  <ubizjak@gmail.com>
184
185         * config/i386/sse.md (copysign<mode>3): New expander.
186         * config/i386/i386-protos.h (ix86_build_signbit_mask): New prototype.
187         * config/i386/i386.c (ix86_build_signbit_mask): Make public.
188         Use ix86_build_const_vector.
189         (enum ix86_builtins): Add IX86_BUILTIN_CPYSGNPS and
190         IX86_BUILTIN_CPYSGNPD.
191         (builtin_description): Add __builtin_ia32_copysignps and
192         __builtin_ia32_copysignpd.
193         (ix86_builtin_vectorized_function): Handle BUILT_IN_COPYSIGN
194         and BUILT_IN_COPYSIGNF.
195
196 2009-07-13  Jason Merrill  <jason@redhat.com>
197
198         * builtins.c (can_trust_pointer_alignment): New fn.
199         (get_pointer_alignment): Factor it out from here.
200         * tree.h: Declare it.
201
202 2009-07-14  David Edelsohn  <edelsohn@gnu.org>
203
204         * config/rs6000/predicates.md (offsettable_mem_operand): Test
205         RTX_AUTOINC class.
206
207 2009-07-14  Dodji Seketeli  <dodji@redhat.com>
208
209         PR debug/40705
210         PR c++/403057
211         * dwarf2.out.c (gen_type_die_with_usage): Added comment.
212
213 2009-07-14  Richard Guenther  <rguenther@suse.de>
214             Andrey Belevantsev <abel@ispras.ru>
215
216         PR middle-end/40745
217         * cfgexpand.c (partition_stack_vars): Do not bother to update
218         alias information when not optimizing.
219
220 2009-07-14  Richard Guenther  <rguenther@suse.de>
221         Andrey Belevantsev <abel@ispras.ru>
222
223         * tree-ssa-alias.h (refs_may_alias_p_1): Declare.
224         (pt_solution_set): Likewise.
225         * tree-ssa-alias.c (refs_may_alias_p_1): Export.
226         * tree-ssa-structalias.c (pt_solution_set): New function.
227         * final.c (rest_of_clean_state): Free SSA data structures.
228         * print-rtl.c (print_decl_name): Remove.
229         (print_mem_expr): Implement in terms of print_generic_expr.
230         * alias.c (ao_ref_from_mem): New function.
231         (rtx_refs_may_alias_p): Likewise.
232         (true_dependence): Query alias-export info.
233         (canon_true_dependence): Likewise.
234         (write_dependence_p): Likewise.
235         * tree-dfa.c (get_ref_base_and_extent): For void types leave
236         size unknown.
237         * emit-rtl.c (component_ref_for_mem_expr): Remove.
238         (mem_expr_equal_p): Use operand_equal_p.
239         (set_mem_attributes_minus_bitpos): Do not use
240         component_ref_for_mem_expr.
241         * cfgexpand.c (add_partitioned_vars_to_ptset): New function.
242         (update_alias_info_with_stack_vars): Likewise.
243         (partition_stack_vars): Call update_alias_info_with_stack_vars.
244         * tree-ssa.c (delete_tree_ssa): Do not release SSA names
245         explicitly nor clear stmt operands.
246         Free the decl-to-pointer map.
247         * tree-optimize.c (execute_free_datastructures): Do not free
248         SSA data structures here.
249         * tree-flow.h (struct gimple_df): Add decls_to_pointers member.
250         * Makefile.in (emit-rtl.o): Add pointer-set.h dependency.
251         (alias.o): Add tree-ssa-alias.h, pointer-set.h and $(TREE_FLOW_H)
252         dependencies.
253         (print-rtl.o): Add $(DIAGNOSTIC_H) dependency.
254
255 2009-07-13  DJ Delorie  <dj@redhat.com>
256
257         * config/mep/mep.h (CC1_SPEC): Tweak parameters to trigger
258         unrolling at the right iteration count.
259
260         * config/mep/mep.c (mep_expand_prologue): Fix frame pointer
261         calculations.
262
263 2009-07-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>
264         
265         * haifa-sched.c (rank_for_schedule): Introduced flags to
266         enable/disable individual scheduling heuristics.
267         * common.opt: Introduced flags to enable/disable individual
268         heuristics in the scheduler.    
269         * doc/invoke.texi: Introduced flags to enable/disable individual
270         heuristics in the scheduler.
271         
272 2009-07-13  Kai Tietz  <kai.tietz@onevision.com>
273
274         * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Remove file
275         config/i386/mingw-tls.c.
276         * config/i386/mingw-tls.c: Removed.
277
278 2009-07-13  Ira Rosen  <irar@il.ibm.com>
279
280         * tree-vect-loop.c (get_initial_def_for_reduction): Ensure that the 
281         checks access only relevant statements.
282         (vectorizable_reduction): Likewise.
283
284 2009-07-12  Kai Tietz  <kai.tietz@onevision.com>
285
286         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define _X86_
287         just for 32-bit case.
288
289 2009-07-12  Jan Hubicka  <jh@suse.cz>
290
291         PR tree-optimization/40585
292         * except.c (expand_resx_expr): When there already is resume
293         instruction, produce linked list.
294         (build_post_landing_pads): Assert that resume is empty.
295         (connect_post_landing_pads): Handle resume lists.
296         (dump_eh_tree): Dump resume list.
297
298 2009-07-12  Ira Rosen  <irar@il.ibm.com>
299
300         * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
301         with additional argument.
302         * tree-vectorizer.h (enum vect_def_type): Add
303         vect_double_reduction_def.
304         (vect_is_simple_reduction): Add argument.
305         * tree-vect-loop.c (vect_determine_vectorization_factor): Fix
306         indentation.
307         (vect_analyze_scalar_cycles_1): Detect double reduction. Call
308         vect_is_simple_reduction with additional argument.
309         (vect_analyze_loop_operations): Handle exit phi nodes in case of
310         double reduction.
311         (reduction_code_for_scalar_code): Handle additional codes by
312         returning ERROR_MARK for them. Fix comment and indentation.
313         (vect_is_simple_reduction): Fix comment, add argument to specify
314         double reduction. Detect double reduction.
315         (get_initial_def_for_induction): Fix indentation.
316         (get_initial_def_for_reduction): Fix comment and indentation.
317         Handle double reduction. Create initial definitions that do not
318         require adjustment if ADJUSTMENT_DEF is NULL. Handle additional cases.
319         (vect_create_epilog_for_reduction): Fix comment, add argument to
320         handle double reduction. Use PLUS_EXPR in case of MINUS_EXPR in
321         epilogue result extraction. Create double reduction phi node and
322         replace relevant uses.
323         (vectorizable_reduction): Call vect_is_simple_reduction with
324         additional argument. Fix indentation. Update epilogue code treatment
325         according to the changes in reduction_code_for_scalar_code. Check
326         for double reduction. Call vect_create_epilog_for_reduction with
327         additional argument.
328         * tree-vect-stmts.c (process_use): Handle double reduction, update
329         documentation.
330         (vect_mark_stmts_to_be_vectorized): Handle double reduction.
331         (vect_get_vec_def_for_operand): Likewise.
332
333 2009-07-12  Danny Smith  <dansmister@gmail.com>
334
335         * config/i386/winnt.c (i386_pe_determine_dllexport_p): Don't
336         dllexport if !TREE_PUBLIC.
337         (i386_pe_maybe_record_exported_symbol): Assert TREE_PUBLIC.
338
339 2009-07-11  Anatoly Sokolov  <aesok@post.ru>
340
341         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Redefine.
342         (avr_extra_arch_macro) Remove declatation.
343         * config/avr/avr.c (avr_cpu_cpp_builtins): New function.
344         (avr_extra_arch_macro) Declare as static.
345         * config/avr/avr-protos.h (avr_cpu_cpp_builtins): Dclare.
346
347 2009-07-11  Jan Hubicka  <jh@suse.cz>
348
349         PR middle-end/48388
350         * except.c (can_be_reached_by_runtime): Test for NULL aka bitmap.
351
352 2009-07-11  Jakub Jelinek  <jakub@redhat.com>
353
354         PR debug/40713
355         * dwarf2out.c (dw_fde_struct): Add in_std_section and
356         cold_in_std_section bits.
357         (dwarf2out_begin_prologue): Initialize them.
358         (dwarf2out_finish): Don't emit FDE range into .debug_ranges
359         if already covered by text_section or cold_text_section range.
360
361         PR rtl-optimization/40667
362         * defaults.h (MINIMUM_ALIGNMENT): Define if not defined.
363         * doc/tm.texi (MINIMUM_ALIGNMENT): Document it.
364         * config/i386/i386.h (MINIMUM_ALIGNMENT): Define.
365         * config/i386/i386.c (ix86_minimum_alignment): New function.
366         * config/i386/i386-protos.h (ix86_minimum_alignment): New prototype.
367         * cfgexpand.c (expand_one_var): Use MINIMIM_ALIGNMENT.
368         * emit-rtl.c (gen_reg_rtx): Likewise.
369         * function.c (assign_parms): Likewise.  If nominal_type needs
370         bigger alignment than FUNCTION_ARG_BOUNDARY, use its alignment
371         rather than passed_type's alignment.
372
373         PR target/40668
374         * function.c (assign_parm_setup_stack): Adjust
375         MEM_OFFSET (data->stack_parm) if promoted_mode is different
376         from nominal_mode on big endian.
377
378 2009-07-11  Paolo Bonzini  <bonzini@gnu.org>
379
380         * expmed.c (emit_store_flag_1): Fix choice of zero vs. sign extension.
381
382 2009-07-10  DJ Delorie  <dj@redhat.com>
383
384         * config/mep/mep.c (mep_can_inline_p): Correct logic, and simplify.
385
386 2009-07-10  Mark Mitchell  <mark@codesourcery.com>
387
388         * config/arm/thumb2.md (thumb2_cbz): Correct computation of length
389         attribute.
390         (thumb2_cbnz): Likewise.
391
392 2009-07-10  David Daney  <ddaney@caviumnetworks.com>
393
394         PR target/39079
395         * config.gcc (supported_defaults): Add synci.
396         (with_synci): Add validation.
397         (all_defaults): Add synci.
398         * config/mips/mips.md (clear_cache): Use TARGET_SYNCI instead of
399         ISA_HAS_SYNCI.
400         (synci): Same.
401         * config/mips/mips.opt (msynci): New option.
402         * config/mips/mips.c (mips_override_options): Warn on use of
403         -msynci for targets that do now support it.
404         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
405         msynci.
406         * gcc/doc/invoke.texi (-msynci): Document the new option.
407         * doc/install.texi (--with-synci): Document the new option.
408
409 2009-07-10  Richard Guenther  <rguenther@suse.de>
410
411         PR tree-optimization/40496
412         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Create
413         the PHI result with a compatible type.
414
415 2009-07-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>
416
417         PR 25509
418         PR 40614
419         * c.opt (Wunused-result): New.
420         * doc/invoke.texi: Document it.
421         * c-common.c (c_warn_unused_result): Use it.
422
423 2009-07-09  DJ Delorie  <dj@redhat.com>
424
425         * targhooks.c (default_target_can_inline_p): Rename from
426         default_target_option_can_inline_p.
427         * targhooks.h (default_target_can_inline_p): Likewise.
428         * target-def.h (TARGET_CAN_INLINE_P): Rename from
429         TARGET_OPTION_CAN_INLINE_P.
430         * config/i386/i386.c (TARGET_CAN_INLINE_P): Likewise.
431         * config/mep/mep.c (TARGET_CAN_INLINE_P): Likewise.
432         (mep_target_can_inline_p): Rename from
433         mep_target_option_can_inline_p.
434
435         PR target/40626
436         * config/mep/mep.h (FUNCTION_ARG_REGNO_P): Add coprocessor
437         registers used to pass vectors.
438
439         * config/mep/mep.c (mep_option_can_inline_p): Remove error call.
440
441 2009-07-09  Tom Tromey  <tromey@redhat.com>
442
443         * unwind-dw2-fde-darwin.c: Include dwarf2.h.
444         * config/mmix/mmix.c: Include dwarf2.h.
445         * config/rs6000/darwin-fallback.c: Include dwarf2.h.
446         * config/xtensa/unwind-dw2-xtensa.c: Include dwarf2.h.
447         * config/sh/sh.c: Include dwarf2.h.
448         * config/i386/i386.c: Include dwarf2.h.
449         * Makefile.in (DWARF2_H): Remove 'elf'.
450         * except.c: Include dwarf2.h.
451         * unwind-dw2.c: Include dwarf2.h.
452         * dwarf2out.c: Include dwarf2.h.
453         * unwind-dw2-fde-glibc.c: Include dwarf2.h.
454         * unwind-dw2-fde.c: Include dwarf2.h.
455         * dwarf2asm.c: Include dwarf2.h.
456
457 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
458
459         * haifa-sched.c (insn_finishes_cycle_p): New static function.
460         (max_issue): Use it.
461         * sched-int.h (struct sched_info: insn_finishes_block_p): New
462         scheduler hook.
463         * sched-rgn.c (rgn_insn_finishes_block_p): Implement it.
464         (region_sched_info): Update.
465         * sched-ebb.c (ebb_sched_info): Update.
466         * modulo-sched.c (sms_sched_info): Update.
467         * sel-sched-ir.c (sched_sel_haifa_sched_info): Update.
468
469 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
470
471         * varasm.c (build_constant_desc): Don't share RTL in pool entries.
472
473 2009-07-09  Basile Starynkevitch  <basile@starynkevitch.net>
474
475         * plugin.c (try_init_one_plugin): passes RTLD_GLOBAL to dlopen. 
476
477 2009-07-09  Jakub Jelinek  <jakub@redhat.com>
478
479         PR middle-end/40692
480         * fold-const.c (fold_cond_expr_with_comparison): Don't replace
481         arg1 with arg01 if arg1 is already INTEGER_CST.
482
483 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
484
485         * simplify-rtx.c (simplify_binary_operation_1) <AND>:
486         Transform (and (truncate)) into (truncate (and)).
487
488 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
489
490         * combine.c (make_extraction): Check TRULY_NOOP_TRUNCATION before
491         creating LHS paradoxical subregs.  Fix surrounding returns to
492         use NULL_RTX rather than 0.
493
494 2009-07-08  DJ Delorie  <dj@redhat.com>
495
496         * config/mep/mep.c: (mep_option_can_inline_p): New.
497         (TARGET_OPTION_CAN_INLINE_P): Define.
498
499 2009-07-08  Mark Wielaard  <mjw@redhat.com>
500
501         PR debug/40659
502         * dwarf2out.c (add_data_member_location_attribute): When we have
503         only a constant offset don't emit a new location description using
504         DW_OP_plus_uconst, but just add the constant with add_AT_int, when
505         dwarf_version > 2.
506
507 2009-07-08  Richard Henderson  <rth@redhat.com>
508
509         PR target/38900
510         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move to i386.c.
511         (enum reg_class): Add CLOBBERED_REGS.
512         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise.
513         * config/i386/i386.c (ix86_conditional_register_usage): Moved
514         from CONDITIONAL_REGISTER_USAGE; build CLOBBERED_REGS for 64-bit.
515         (ix86_function_ok_for_sibcall): Tidy.  Disallow MS->SYSV sibcalls.
516         (ix86_expand_call): Use sibcall_insn_operand when needed.  Don't
517         force 64-bit sibcalls into R11.
518         * config/i386/constraints.md (U): New constraint.
519         * config/i386/i386.md (sibcall_1, sibcall_value_1): Use it.
520         (sibcall_1_rex64, sibcall_value_1_rex64): Likewise.
521         (sibcall_1_rex64_v, sibcall_value_1_rex64_v): Remove.
522
523 2009-07-08  Shujing Zhao  <pearly.zhao@oracle.com>
524
525         * basic-block.h (dump_regset, debug_regset): Remove duplicate
526         prototypes.
527         * c-objc-common.h (c_initialize_diagnostics): Ditto.
528         * ebitmap.h (dump_ebitmap): Ditto.
529         * optabs.h (optab_libfunc): Ditto.
530         * tree.h (tree_expr_nonzero_warnv_p): Ditto.
531         * tree-flow.h (vect_can_force_dr_alignment_p,
532         get_vectype_for_scalar_type): Ditto.
533         (vectorize_loops): Move prototype to ...
534         * tree-vectorizer.h: ... here. Also, adjust comment.
535         (vect_set_verbosity_level): Remove duplicate prototype.
536         * tree-ssa-loop.c: Include tree-vectorizer.h.
537         * Makefile.in (tree-ssa-loop.o): Depend on tree-vectorizer.h.
538
539 2009-07-08  Nick Clifton  <nickc@redhat.com>
540
541         * config/i386/unix.h (ASM_COMMENT_START): Add a space after the
542         forward slash.
543
544 2009-07-08  DJ Delorie  <dj@redhat.com>
545
546         * config/mep/mep-ivc2.cpu (cpmovtocsar0_C3, cpmovtocsar1_C3,
547         cpmovtocc_C3, cpmovtocsar0_P0S_P1, cpmovtocsar1_P0S_P1,
548         cpmovtocc_P0S_P1): Mark volatile.  Note which registers are
549         written to.
550         * config/mep/intrinsics.md: Regenerated.
551         * config/mep/mep.c (mep_interrupt_saved_reg): Save IVC2 control
552         registers when asm() or calls are detected.
553
554 2009-07-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
555
556         PR c++/31246
557         * gimplify.c (gimplify_expr): Propagate no_warning flag when
558         gimplifying.
559         * gimple (gimple_build_call_from_tree): Likewise.
560         * tree-cfg.c (remove_useless_stmts_warn_notreached): Check
561         no_warning flag before warning.
562
563 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
564
565         * tree.c (set_expr_locus): Remove.
566         * tree.h (EXPR_LOCUS,SET_EXPR_LOCUS,set_expr_locus): Remove.
567         * c-typeck.c (c_finish_stmt_expr):  Replace EXPR_LOCUS by
568         EXPR_LOCATION.
569         * gimplify.c (internal_get_tmp_var): Likewise.
570         (gimplify_call_expr): Likewise.
571         (gimplify_one_sizepos): Likewise.
572
573 2009-07-07  Eric Botcazou  <ebotcazou@adacore.com>
574
575         PR debug/40666
576         * dbxout.c (dbxout_symbol) <PARM_DECL>: Deal with parameters pointing
577         to variables for debugging purposes.
578
579 2009-06-23  Mark Loeser  <mark@halcy0n.com>
580
581         PR build/40010
582         * Makefile.in (gcc.pod): Depend on gcc-vers.texi.
583
584 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
585
586         * pretty-print.c (pp_base_format): Remove %J.
587         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
588         gcc_cxxdiag_char_table): Likewise.
589         (init_dynamic_diag_info): Likewise.
590
591 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
592
593         * pretty-print.c (pp_base_format): Remove %H.
594         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
595         gcc_cxxdiag_char_table): Likewise.
596         (init_dynamic_diag_info): Likewise.
597         * config/mep/mep.c (mep_select_section): Likewise.
598
599 2009-07-07  Duncan Sands  <baldrick@free.fr>
600
601         * final.c (pass_clean_state): Give the pass a name.
602         * passes.c (pass_rest_of_compilation): Likewise.
603         * tree-optimize.c (pass_all_optimizations): Likewise.
604
605 2009-07-07  H.J. Lu  <hongjiu.lu@intel.com>
606
607         * config/ia64/ia64.c (ia64_handle_model_attribute): Remove
608         an extra 'decl' for error_at.
609
610 2009-07-07  Jakub Jelinek  <jakub@redhat.com>
611
612         PR middle-end/40669
613         * tree-tailcall.c (adjust_return_value_with_ops,
614         create_tailcall_accumulator): Set DECL_GIMPLE_REG_P on the temporary
615         if it has complex or vector type.
616
617 2009-07-07  Olivier Hainque  <hainque@adacore.com>
618
619         * config/alpha/t-osf4 (SHLIB_LINK): Do not hide the dummy weak
620         pthread symbols.
621
622 2009-07-07  Basile Starynkevitch  <basile@starynkevitch.net>
623
624         * Makefile.in: added more lists of includes to PLUGIN_HEADERS.
625
626 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
627
628         * cgraphunit.c: Replace %J by an explicit location.  Update all calls.
629         * c-decl.c: Likewise.
630         * function.c: Likewise.
631         * varasm.c: Likewise.
632         * tree-ssa.c: Likewise.
633         * c-common.c: Likewise.
634         * tree-cfg.c: Likewise.
635         * config/spu/spu.c: Likewise.
636         * config/ia64/ia64.c: Likewise.
637         * config/v850/v850.c: Likewise.
638
639 2009-07-06  DJ Delorie  <dj@redhat.com>
640
641         * config/mep/mep-core.cpu (fsft, ssarb): Mark as VOLATILE.
642         * config/mep/mep-ivc2.cpu (many): Add VOLATILE to more insns that make
643         unspecified accesses to control registers.
644         * config/mep/intrinsics.md: Regenerate.
645         * config/mep/intrinsics.h: Regenerate.
646         * config/mep/mep-intrin.h: Regenerate.
647
648 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
649
650         * c-lex.c: Replace %H by an explicit location. Update all calls.
651         * c-common.c: Likewise.
652         * c-decl.c: Likewise.
653         * c-typeck.c: Likewise.
654         * fold-const.c: Likewise.
655         * gimplify.c: Likewise.
656         * stmt.c: Likewise.
657         * tree-cfg.c: Likewise.
658         * tree-ssa-loop-niter.c: Likewise.
659         * tree-vrp.c: Likewise.
660         * value-prof.c: Likewise.
661
662 2009-07-06  Diego Novillo  <dnovillo@google.com>
663
664         * tree-dfa.c (dump_variable): Write DECL_INITIAL for VAR
665         if it has one.  Handle cases where VAR does not have an
666         annotation or cfun is NULL.
667
668 2009-07-06  Diego Novillo  <dnovillo@google.com>
669
670         * tree.c: Include debug.h.
671         (initialize_tree_contains_struct): New.
672         (init_ttree): Call it.
673         (tree_node_structure_for_code): Factor out of ...
674         (tree_node_structure): ... here.
675         * treestruct.def (TS_PHI_NODE): Remove.
676         (TS_GIMPLE_STATEMENT): Remove.
677
678 2009-07-06  Diego Novillo  <dnovillo@google.com>
679
680         * tree-pretty-print.c (dump_generic_node): Protect against NULL op0.
681         (debug_tree_chain): Handle cycles.
682
683 2009-07-06  Nick Clifton  <nickc@redhat.com>
684             DJ Delorie  <dj@redhat.com>
685
686         * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
687         __FMOVD_ENABLED__ is defined.
688         * config/sh/sh.h
689         (TARGET_FMOVD): Provide a default definition.
690         (MASK_FMOVD): Likewise.
691         (TARGET_CPU_CPP_BUILTINS): Define
692         __FMOVD_ENABLED__ if TARGET_FMOVD is true.
693         * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
694         two fmov instructions depending upon whether TARGET_FMOVD is enabled.
695         (split for DF load from memory into register): Also handle
696         MEMs which consist of REG+DISP addressing.
697         (split for DF store from register to memory): Likewise.
698         (movsf_ie): Always use single fp_mode.
699         * config/sh/sh.c (sh_override_options): Do not automatically
700         enable TARGET_MOVD for the SH2A when supporting doubles - leave
701         that to the -mfmovd command line switch.
702         (broken_move): Do not restrict fldi test to only the SH4 and SH4A.
703         (fldi_ok): Always allow.
704         * config/sh/sh.opt (mfmovd): Remove this switch.
705         * doc/invoke.texi (-mfmovd): Remove documentation of this switch.
706
707 2009-07-06  J"orn Rennecke  <joern.rennecke@arc.com>
708             Kaz Kojima  <kkojima@gcc.gnu.org>
709
710         PR rtl-optimization/30807
711         * postreload.c (reload_combine): For every new use of REG_SUM,
712         record the use of BASE.
713
714 2009-07-06  Jan Hubicka  <jh@suse.cz>
715
716         * params.def: Revert my accidental commit at 2009-06-30.
717
718 2009-07-04  Ian Lance Taylor  <iant@google.com>
719
720         PR target/40636
721         * config/i386/msformat-c.c (mingw_format_attributes): Declare as
722         EXPORTED_CONST.
723         (mingw_format_attribute_overrides): Likewise.
724
725 2009-07-04  Jakub Jelinek  <jakub@redhat.com>
726
727         PR debug/40596
728         * dwarf2out.c (based_loc_descr): For crtl->stack_realign_tried
729         don't check cfa.reg.  Instead of cfa.indirect use
730         fde && fde->drap_reg != INVALID_REGNUM test.
731
732 2009-07-04  Eric Botcazou  <ebotcazou@adacore.com>
733
734         * postreload.c (reload_combine): Replace CONST_REG with INDEX_REG.
735
736 2009-07-03  Vladimir Makarov  <vmakarov@redhat.com>
737
738         PR target/40587
739         * ira.c (build_insn_chain): Use DF_LR_OUT instead of df_get_live_out.
740
741 2009-07-03  Richard Guenther  <rguenther@suse.de>
742
743         PR tree-optimization/40640
744         * tree-switch-conversion.c (build_arrays): Perform arithmetic
745         in original type.
746
747 2009-07-03  Jan Hubicka  <jh@suse.cz>
748
749         * ipa-inline.c (cgraph_decide_inlining_incrementally): When optimizing
750         for size, reduce amount of inlining.
751
752 2009-07-03  Richard Guenther  <rguenther@suse.de>
753
754         PR middle-end/34163
755         * tree-chrec.c (chrec_convert_1): Fold (T2)(t +- x) to (T2)t +- (T2)x
756         if t +- x is known to not overflow and the conversion widens the
757         operation.
758         * Makefile.in (tree-chrec.o): Add $(FLAGS_H) dependency.
759
760 2009-07-03  Jan Hubicka  <jh@suse.cz>
761
762         * ipa-pure-const.c (analyze): Update loop optimizer init.
763         * tree-ssa-loop-iv-canon.c (empty_loop_p, remove_empty_loop,
764         try_remove_empty_loop, remove_empty_loops): Remove.
765         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): Remove.
766         * tree-ssa-dce.c (find_obviously_necessary_stmts): Use finiteness info
767         to mark regular loops as neccesary.
768         (degenerate_phi_p): New function.
769         (propagate_necessity, remove_dead_phis): Use it.
770         (forward_edge_to_pdom): Likewise.
771         (eliminate_unnecessary_stmts): Take care to remove uses of results of
772         virtual PHI nodes that became unreachable.
773         (perform_tree_ssa_dce): Initialize/deinitialize loop optimizer.
774         * tree-flow.h (remove_empty_loops): Remove.
775         * passes.c (init_optimization_passes): Remove.
776
777 2009-07-03  Uros Bizjak  <ubizjak@gmail.com>
778
779         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1): Use
780         can_create_pseudo_p.
781         (*fix_trunc<mode>_i387_1): Ditto.
782         (*floathi<mode>2_1): Ditto.
783         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): Ditto.
784         (*fistdi2_1): Ditto.
785         (*fist<mode>2_1): Ditto.
786         (frndintxf2_floor): Ditto.
787         (*fist<mode>2_floor_1): Ditto.
788         (frndintxf2_ceil): Ditto.
789         (*fist<mode>2_ceil_1): Ditto.
790         (frndintxf2_trunc): Ditto.
791         (frndintxf2_mask_pm): Ditto.
792         (fxam<mode>2_i387_with_temp): Ditto.
793         * config/i386/sse.md (mulv16qi3): Ditto.
794         (*sse2_mulv4si3): Ditto.
795         (mulv2di3): Ditto.
796         (sse4_2_pcmpestr): Ditto.
797         (sse4_2_pcmpistr): Ditto.
798
799 2009-07-03  Jan Hubicka  <jh@suse.cz>
800
801         * tree-ssa-dce.c (bb_contains_live_stmts): New bitmap.
802         (mark_stmt_necessary): Set it.
803         (mark_operand_necessary): Set it.
804         (mark_control_dependent_edges_necessary): Set it.
805         (mark_virtual_phi_result_for_renaming): New function.
806         (get_live_post_dom): New function.
807         (forward_edge_to_pdom): New function.
808         (remove_dead_stmt): Fix handling of control dependences.
809         (tree_dce_init): Init new bitmap.
810         (tree_dce_done): Free it.
811
812 2009-07-02  Richard Guenther  <rguenther@suse.de>
813
814         PR bootstrap/40617
815         * tree-ssa-structalias.c (new_var_info): Initialize
816         is_restrict_var.
817
818 2009-07-02  Jan Hubicka  <jh@suse.cz>
819
820         * ipa-pure-const.c (check_op): Use PTA info to see if indirect_ref is
821         local.
822
823 2009-07-02  Paolo Bonzini  <bonzini@gnu.org>
824
825         * expmed.c (emit_cstore, emit_store_flag_1): Accept target_mode
826         instead of recomputing it.  Adjust calls.
827         (emit_store_flag): Adjust recursive calls.
828
829 2009-07-02  Richard Guenther  <rguenther@suse.de>
830
831         * tree-ssa-live.c (remove_unused_locals): Do not remove
832         heap variables.
833         * tree-ssa-structalias.c (handle_lhs_call): Delay setting
834         of DECL_EXTERNAL for HEAP variables.
835         (compute_points_to_sets): Set DECL_EXTERNAL for escaped
836         HEAP variables.  Do not adjust RESTRICT vars.
837         (find_what_var_points_to): Nobody cares if something
838         points to READONLY.
839
840 2009-07-02  Ben Elliston  <bje@au.ibm.com>
841
842         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Move
843         pc_low and pc_high declarations to the top of the function.
844
845 2009-07-01  DJ Delorie  <dj@redhat.com>
846
847         * config/mep/mep.c (mep_handle_option): Leave IVC2 control
848         registers as fixed.
849         (mep_interrupt_saved_reg): Save appropriate IVC2 control registers.
850         * config/mep/mep-ivc2.cpu: Add VOLATILE to insns that make
851         unspecified accesses to control registers.
852         * config/mep/intrinsics.md: Regenerate.
853         * config/mep/intrinsics.h: Regenerate.
854         * config/mep/mep-intrin.h: Regenerate.
855
856 2009-07-01  Anthony Green  <green@moxielogic.com>
857
858         * config/moxie/moxie.c (moxie_expand_prologue): Use dec
859         instruction when possible.
860         (moxie_expand_prologue): Ditto.  Also, save an instruction and
861         some complexity by popping off of $r12 instead of $sp.
862         * config/moxie/moxie.md (movsi_pop): Don't assume $sp.  Take two
863         operands.
864
865 2009-07-01  Richard Henderson  <rth@redhat.com>
866
867         PR bootstrap/40347
868         * function.c (reposition_prologue_and_epilogue_notes): If epilogue
869         contained no insns, reposition note before last insn.
870
871 2009-07-01  Richard Henderson  <rth@redhat.com>
872
873         PR debug/40431
874         * dwarf2out.c (def_cfa_1): Revert 2009-06-11 change for
875         DW_CFA_def_cfa_offset and DW_CFA_def_cfa.
876
877 2009-07-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
878
879         PR bootstrap/40558
880         * config/rs6000/rs6000.c (print_operand): Undo change that breaks
881         darwin9 for printing reg addresses with %y.
882
883 2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>
884
885         * combine.c (force_to_mode): Handle TRUNCATE.  Factor out
886         truncation from operands in binary operations.
887
888 2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>
889
890         Revert:
891         2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
892         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
893         subreg of op0 to the original op0.
894
895         * expmed.c (store_bit_field_1): Use a temporary as the destination
896         instead of a paradoxical subreg when we need to truncate the result.
897
898 2009-07-01  DJ Delorie  <dj@redhat.com>
899
900         * config/mep/mep-ivc2.cpu (cmov, cmovc, cmovh): Add intrinsic
901         names to VLIW variants.
902         (ivc2rm, ivc2crn): Make data type consistent with non-VLIW variants.
903         * config/mep/intrinsics.md: Regenerate.
904         * config/mep/intrinsics.h: Regenerate.
905         * config/mep/mep-intrin.h: Regenerate.
906
907 2009-07-01  Jakub Jelinek  <jakub@redhat.com>
908
909         PR debug/40462
910         * jump.c (returnjump_p): Revert last patch.
911         * dwarf2out.c (dwarf2out_begin_epilogue): Handle SEQUENCEs.
912
913 2009-07-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
914
915         PR target/40575
916         * pa.md (casesi32p): Use jump table label to determine the offset
917         of the jump table.
918         (casesi64p): Likewise.
919
920         * pa.c (forward_branch_p): Return bool type.  Use instruction
921         addresses when available.  Assert that INSN has a jump label.
922         (pa_adjust_insn_length): Don't call forward_branch_p if INSN doesn't
923         have a jump label.
924
925 2009-07-01  Richard Guenther  <rguenther@suse.de>
926
927         PR tree-optimization/19831
928         * tree-ssa-dce.c (propagate_necessity): Calls to functions
929         that only act as barriers do not make any previous stores necessary.
930         * tree-ssa-structalias.c (handle_lhs_call): Delay making
931         HEAP variables global, do not add a constraint from nonlocal.
932         (find_func_aliases): Handle escapes through return statements.
933         (compute_points_to_sets): Make escaped HEAP variables global.
934
935 2009-07-01  Paolo Bonzini  <bonzini@gnu.org>
936
937         PR bootstrap/40597
938         * expmed.c (emit_store_flag): Perform a conversion if necessary,
939         after reducing a DImode cstore to SImode.
940
941 2009-07-01  Paolo Bonzini  <bonzini@gnu.org>
942
943         * expr.c (expand_expr_real_1): Reinstate fallthrough to
944         TRUTH_ANDIF_EXPR if do_store_flag returns NULL.
945
946 2009-07-01  Maciej W. Rozycki  <macro@linux-mips.org>
947
948         * config/vax/vax.h (TARGET_BSD_DIVMOD): New macro.  Set to 1.
949         * config/vax/linux.h (TARGET_BSD_DIVMOD): New macro.  Redefine the
950         to 0.
951         * config/vax/vax.c (vax_init_libfuncs): Only redefine udiv_optab
952         and umod_optab if TARGET_BSD_DIVMOD.
953         * config/vax/lib1funcs.asm: New file.
954         * config/vax/t-linux: New file.
955         * config.gcc (vax-*-linux*): Set tmake_file to vax/t-linux.
956
957 2009-06-30  Jakub Jelinek  <jakub@redhat.com>
958
959         PR c++/40566
960         * convert.c (convert_to_integer) <case COND_EXPR>: Don't convert
961         to type arguments that have void type.
962
963         PR debug/40573
964         * dwarf2out.c (gen_formal_parameter_die): Call
965         equate_decl_number_to_die if node is different from origin.
966
967 2009-06-30  Anthony Green  <green@moxielogic.com>
968
969         Clean up moxie port for --enable-build-with-cxx.
970         * config/moxie/moxie.c (moxie_function_value): First two
971         parameters are const_tree, not tree.
972         * config/moxie/moxie.h (enum reg_class): Rename CC_REG to CC_REGS.
973         (REG_CLASS_NAMES): Ditto.
974         (REGNO_REG_CLASS): Ditto.
975         * config/moxie/moxie-protos.h (moxie_override_options): Declare.
976         (moxie_function_value): Fix constyness of arguments.
977
978 2009-06-30  Eric Botcazou  <ebotcazou@adacore.com>
979
980         * cgraphunit.c (cgraph_finalize_compilation_unit): Call
981         finalize_size_functions before further processing.
982         * stor-layout.c: Include cgraph.h, tree-inline.h and tree-dump.h.
983         (variable_size): Call self_referential_size on size expressions
984         that contain a PLACEHOLDER_EXPR.
985         (size_functions): New static variable.
986         (copy_self_referential_tree_r): New static function.
987         (self_referential_size): Likewise.
988         (finalize_size_functions): New global function.
989         * tree.c: Include tree-inline.h.
990         (push_without_duplicates): New static function.
991         (find_placeholder_in_expr): New global function.
992         (substitute_in_expr) <tcc_declaration>: Return the replacement object
993         on equality.
994         <tcc_expression>: Likewise.
995         <tcc_vl_exp>: If the replacement object is a constant, try to inline
996         the call in the expression.
997         * tree.h (finalize_size_functions): Declare.
998         (find_placeholder_in_expr): Likewise.
999         (FIND_PLACEHOLDER_IN_EXPR): New macro.
1000         (substitute_placeholder_in_expr): Update comment.
1001         * tree-inline.c (remap_decl): Do not unshare trees if do_not_unshare
1002         is true.
1003         (copy_tree_body_r): Likewise.
1004         (copy_tree_body): New static function.
1005         (maybe_inline_call_in_expr): New global function.
1006         * tree-inline.h (struct copy_body_data): Add do_not_unshare field.
1007         (maybe_inline_call_in_expr): Declare.
1008         * Makefile.in (tree.o): Depend on TREE_INLINE_H.
1009         (stor-layout.o): Depend on CGRAPH_H, TREE_INLINE_H, TREE_DUMP_H and
1010         GIMPLE_H.
1011
1012 2009-06-30  Richard Guenther  <rguenther@suse.de>
1013
1014         * tree-ssa-dce.c (mark_all_reaching_defs_necessary_1): Always
1015         continue walking.
1016         (propagate_necessity): Do not mark reaching defs of stores
1017         as necessary.
1018
1019 2009-06-30  Jan Hubicka  <jh@suse.cz>
1020
1021         * cfgloopanal.c (check_irred): Move into ...
1022         (mark_irreducible_loops): ... here; return true if ireducible
1023         loops was found.
1024         * ipa-pure-const.c: Include cfgloop.h and tree-scalar-evolution.h
1025         (analyze_function): Try to prove loop finiteness.
1026         * cfgloop.h (mark_irreducible_loops): Update prototype.
1027         * Makefile.in (ipa-pure-const.o): Add dependency on SCEV and CFGLOOP.
1028
1029 2009-06-30  Basile Starynkevitch  <basile@starynkevitch.net>
1030
1031         * Makefile.in (PLUGIN_HEADERS): added ggc, tree-dump, pretty-print.
1032
1033 2009-06-30  Ira Rosen  <irar@il.ibm.com>
1034
1035         PR tree-optimization/40542
1036         * tree-vect-stmts.c (vect_analyze_stmt): Don't vectorize volatile 
1037         types.
1038
1039 2009-06-30  Martin Jambor  <mjambor@suse.cz>
1040
1041         PR tree-optimization/40582
1042         * tree-sra.c (build_ref_for_offset_1): Use types_compatible_p rather
1043         than useless_type_conversion_p.
1044         (generate_subtree_copies): Increment sra_stats.subtree_copies at a
1045         proper place.
1046
1047 2009-06-30  Martin Jambor  <mjambor@suse.cz>
1048
1049         PR middle-end/40554
1050         * tree-sra.c (sra_modify_expr): Add access->offset to start_offset.
1051
1052 2009-06-30  Richard Guenther  <rguenther@suse.de>
1053
1054         * tree-ssa-alias.c (walk_aliased_vdefs_1): Change interface to
1055         use ao_ref references.
1056         (walk_aliased_vdefs): Likewise.
1057         * tree-ssa-alias.h (walk_aliased_vdefs): Adjust prototype.
1058         * tree-ssa-dce.c (struct ref_data): Remove.
1059         (mark_aliased_reaching_defs_necessary_1): Use the ao_ref argument.
1060         (mark_aliased_reaching_defs_necessary): Adjust.
1061         (mark_all_reaching_defs_necessary_1): Likewise.
1062
1063 2009-06-30  Paolo Bonzini  <bonzini@gnu.org>
1064
1065         PR boostrap/40597
1066         * expmed.c (emit_cstore): New name of emit_store_flag_1.
1067         (emit_store_flag_1): Extract from emit_store_flag, adjust
1068         calls to (what now is) emit_cstore.
1069         (emit_store_flag): Call emit_store_flag_1 and also use it
1070         for what used to be recursive calls.
1071
1072 2009-06-30  Wei Guozhi  <carrot@google.com>
1073
1074         PR/40416
1075         * tree-ssa-sink.c (statement_sink_location): Stop sinking expression
1076         if the target bb post dominates from bb.
1077         * config/i386/i386.c (memory_address_length): Check existence of base
1078         register before using it.
1079
1080 2009-06-30  Nick Clifton  <nickc@redhat.com>
1081             DJ Delorie  <dj@redhat.com>
1082
1083         * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
1084         __FMOVD_ENABLED__ is defined.
1085         * config/sh/sh.h
1086         (TARGET_FMOVD): Provide a default definition.
1087         (MASK_FMOVD): Likewise.
1088         (TARGET_CPU_CPP_BUILTINS): Define
1089         __FMOVD_ENABLED__ if TARGET_FMOVD is true.
1090         * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
1091         two fmov instructions depending upon whether TARGET_FMOVD is
1092         enabled.
1093         (split for DF load from memory into register): Also handle
1094         MEMs which consist of REG+DISP addressing.
1095         (split for DF store from register to memory): Likewise.
1096         * config/sh/sh.opt (mfmovd): Remove this switch.
1097         * doc/invoke.texi (-mfmovd): Remove documentation of this switch.
1098         * config/sh/sh.c (sh_override_options): Do not automatically
1099         enable TARGET_MOVD for the SH2A when supporting doubles - leave
1100         that to the -mfmovd command line switch.
1101
1102         * config/sh/sh.c (broken_move): Do not restrict fldi test to only
1103         the SH4 and SH4A.
1104         (fldi_ok): Always allow.
1105         * config/sh/sh.md (movsf_ie): Always use single fp_mode.
1106
1107 2009-06-29  DJ Delorie  <dj@redhat.com>
1108
1109         * doc/install.texi (mep-x-elf): Correct chip's full name.
1110
1111 2009-06-29  H.J. Lu  <hongjiu.lu@intel.com>
1112
1113         * doc/extend.texi: Fix typo.
1114
1115 2009-06-29  Tom Tromey  <tromey@redhat.com>
1116
1117         * dwarf2.h: Remove.
1118         * Makefile.in (DWARF2_H): New variable.
1119         (except.o): Use it.
1120         (dwarf2out.o): Likewise.
1121         (dwarf2asm.o): Likewise.
1122         * config/i386/t-i386: Use DWARF2_H.
1123         * except.c: Include elf/dwarf2.h.
1124         * unwind-dw2.c: Include elf/dwarf2.h.
1125         * dwarf2out.c: Include elf/dwarf2.h.
1126         (dw_loc_descr_struct) <dw_loc_opc>: Now a bitfield.
1127         <dtprel>: New field.
1128         (dwarf_stack_op_name): Don't handle INTERNAL_DW_OP_tls_addr.
1129         (size_of_loc_descr): Likewise.
1130         (output_loc_operands_raw): Likewise.
1131         (output_loc_operands): Handle new dtprel field.
1132         (loc_checksum): Update.
1133         (loc_descriptor_from_tree_1) <VAR_DDECL>: Set dtprel field.
1134         * unwind-dw2-fde-glibc.c: Include elf/dwarf2.h.
1135         * unwind-dw2-fde.c: Include elf/dwarf2.h.
1136         * dwarf2asm.c: Include elf/dwarf2.h.
1137         * unwind-dw2-fde-darwin.c: Include elf/dwarf2.h.
1138         * config/mmix/mmix.c: Include elf/dwarf2.h.
1139         * config/rs6000/darwin-fallback.c: Include elf/dwarf2.h.
1140         * config/xtensa/unwind-dw2-xtensa.c: Include elf/dwarf2.h.
1141         * config/sh/sh.c: Include elf/dwarf2.h.
1142         * config/i386/i386.c: Include elf/dwarf2.h.
1143
1144 2009-06-29  DJ Delorie  <dj@redhat.com>
1145
1146         * config/mep/mep.h (CPP_SPEC): Remove __cop macro.
1147
1148         * doc/extend.texi: Add MeP attributes and pragmas.
1149         * doc/invoke.text: Add MeP Options.
1150         * doc/contrib.texi: Add MeP contribution.
1151         * doc/md.texi: Add MeP constraints.
1152         * doc/install.texi: Add MeP target.
1153
1154 2009-06-30  Anatoly Sokolov  <aesok@post.ru>
1155
1156         * target.h (struct gcc_target): Add frame_pointer_required field.
1157         * target-def.h (TARGET_FRAME_POINTER_REQUIRED): New.
1158         (TARGET_INITIALIZER): Use TARGET_FRAME_POINTER_REQUIRED.
1159         * ira.c (setup_eliminable_regset): Use frame_pointer_required target
1160         hook.
1161         * reload1.c (update_eliminables): (Ditto.).
1162         * gcc/system.h (FRAME_POINTER_REQUIRED): Poison.
1163         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
1164         (INITIAL_FRAME_POINTER_OFFSET): (Ditto.).
1165
1166         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Remove macro.
1167
1168         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Remove macro.
1169         * config/arm/arm.c (TARGET_FRAME_POINTER_REQUIRED): Define.
1170         (arm_frame_pointer_required): New function.
1171
1172         * config/avr/avr.h (FRAME_POINTER_REQUIRED): Remove macro.
1173         * config/avr/avr.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
1174         (avr_frame_pointer_required_p): Declare as static.
1175         * config/avr/avr-protos.h (avr_frame_pointer_required_p): Remove.
1176
1177         * config/bfin/bfin.h (FRAME_POINTER_REQUIRED): Remove macro.
1178         * config/bfin/bfin.c (TARGET_FRAME_POINTER_REQUIRED): Define.
1179         (bfin_frame_pointer_required): Make as static, change return type
1180         to bool.
1181         * config/bfin/bfin-protos.h (bfin_frame_pointer_required): Remove.
1182
1183         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Remove macro.
1184         * config/cris/cris.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
1185         (cris_frame_pointer_required): New function.
1186         
1187         * config/crx/crx.h (FRAME_POINTER_REQUIRED): Remove macro.
1188
1189         * config/fr30/fr30.h (FRAME_POINTER_REQUIRED): Remove macro.
1190         * config/fr30/fr30.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
1191         (fr30_frame_pointer_required): New function.
1192         
1193         * config/frv/frv.h (FRAME_POINTER_REQUIRED): Remove macro.
1194         * config/frv/frv.c (TARGET_FRAME_POINTER_REQUIRED): Define.
1195         (frv_frame_pointer_required): Make as static, change return type
1196         to bool.
1197         * config/bfin/bfin-protos.h (frv_frame_pointer_required): Remove.
1198
1199         * config/i386/i386.h (FRAME_POINTER_REQUIRED): Remove macro.
1200         * config/i386/i386.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
1201         (ix86_frame_pointer_required): Make as static, change return type to
1202         bool.
1203         * config/i386/i386-protos.h (ix86_frame_pointer_required): Remove.
1204
1205         * config/m32c/m32c.h (FRAME_POINTER_REQUIRED): Remove macro.
1206         * config/m32c/m32c.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
1207
1208         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Remove macro.
1209
1210         * config/mcore/mcore.h (CAN_ELIMINATE): Remove macro.
1211         
1212         * config/mep/mep.h (FRAME_POINTER_REQUIRED): Remove macro.
1213
1214         * config/mips/mips.h (FRAME_POINTER_REQUIRED): Remove macro.
1215         * config/mips/mips.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
1216         (mips_frame_pointer_required): Make as static.
1217         * config/mips/mips-protos.h (mips_frame_pointer_required): Remove.
1218         
1219         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Remove macro.
1220         * config/mmix/mmix.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
1221         (mmix_frame_pointer_required): Mew function.
1222
1223         * config/moxie/moxie.h (FRAME_POINTER_REQUIRED): Remove macro.
1224         * config/moxie/moxie.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
1225
1226         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Remove macro.
1227
1228         * config/score/score.h (FRAME_POINTER_REQUIRED): Remove macro.
1229
1230         * config/sh/sh.h (CAN_ELIMINATE): Remove macro.
1231
1232         * config/sparc/sparc.h (FRAME_POINTER_REQUIRED): Remove macro.
1233         (CAN_ELIMINATE): Redefine.
1234         * config/sparc/sparc.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
1235         (sparc_frame_pointer_required): New function.
1236         (sparc_can_eliminate): New function.
1237         * config/sparc/sparc-protos.h (sparc_can_eliminate): Declare.
1238
1239         * config/vax/vax.h (FRAME_POINTER_REQUIRED): Remove macro.
1240         * config/vax/vax.c (TARGET_FRAME_POINTER_REQUIRED): Define.
1241
1242         * config/xtensa/xtensa.h (FRAME_POINTER_REQUIRED): Remove macro.
1243         * config/xtensa/xtensa.c (TARGET_FRAME_POINTER_REQUIRED): Define.
1244         (xtensa_frame_pointer_required): Make as static, change return type
1245         to bool.
1246         * config/xtensa/xtensa-protos.h (xtensa_frame_pointer_required):
1247         Remove.
1248
1249 2009-06-29  Olatunji Ruwase  <tjruwase@google.com>
1250
1251         * doc/plugins.texi: Document PLUGIN_START_UNIT.
1252         * toplev.c (compile_file): Call PLUGIN_START_UNIT.
1253         * gcc-plugin.h (PLUGIN_START_UNIT): Added new event.
1254         * plugin.c (plugin_event_name): Added PLUGIN_START_UNIT.
1255         (register_callback): Handle PLUGIN_START_UNIT.
1256         (invoke_plugin_callbacks): Handle PLUGIN_START_UNIT.
1257
1258 2009-06-29  Eric Botcazou  <ebotcazou@adacore.com>
1259
1260         * tree.c (process_call_operands): Propagate TREE_READONLY from the
1261         operands.
1262         (PROCESS_ARG): Do not clear TREE_READONLY if CONSTANT_CLASS_P.
1263         (build3_stat): Propagate TREE_READONLY for COND_EXPR.
1264
1265 2009-06-29  Daniel Jacobowitz  <dan@codesourcery.com>
1266
1267         * config/arm/arm.h (REGISTER_MOVE_COST): Increase VFP register
1268         move cost.
1269
1270 2009-06-29  Uros Bizjak  <ubizjak@gmail.com>
1271
1272         * doc/extend.texi (Additional Floating Types): __float128 is also
1273         supported on i386 targets.
1274
1275 2009-06-29  Richard Guenther  <rguenther@suse.de>
1276
1277         PR middle-end/14187
1278         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
1279         flag.
1280         (pt_solutions_same_restrict_base): Declare.
1281         * tree-ssa-structalias.c (struct variable_info): Add is_restrict_var
1282         flag.
1283         (new_var_info): Initialize is_global_var properly for SSA_NAMEs.
1284         (make_constraint_from, make_copy_constraint): Move earlier.
1285         (make_constraint_from_heapvar): New function.
1286         (make_constraint_from_restrict): Likewise.
1287         (handle_lhs_call): Use it.
1288         (find_func_aliases): Use it to track conversions to restrict
1289         qualified pointers.
1290         (struct fieldoff): Add only_restrict_pointers flag.
1291         (push_fields_onto_fieldstack): Initialize it.
1292         (create_variable_info_for): Track global restrict qualified pointers.
1293         (intra_create_variable_infos): Use make_constraint_from_heapvar.
1294         Track restrict qualified pointer arguments.
1295         (set_uids_in_ptset): Use varinfo is_global_var flag.
1296         (find_what_var_points_to): Set the vars_contains_restrict flag.
1297         Always create the points-to solution for sets including restrict tags.
1298         (pt_solutions_same_restrict_base): New function.
1299         * tree-ssa-alias.c (ptr_derefs_may_alias_p): For two restrict
1300         qualified pointers use pt_solutions_same_restrict_base as
1301         additional source for disambiguation.
1302
1303 2009-06-29  Richard Guenther  <rguenther@suse.de>
1304
1305         PR middle-end/38212
1306         * alias.c (find_base_decl): Remove.
1307         (get_deref_alias_set_1): Remove restrict handling.
1308         * c-common.c (c_apply_type_quals_to_decl): Do not set
1309         DECL_POINTER_ALIAS_SET.
1310         * gimplify.c (find_single_pointer_decl_1): Remove.
1311         (find_single_pointer_decl): Likewise.
1312         (internal_get_tmp_var): Remove restrict handling.
1313         (gimple_regimplify_operands): Likewise.
1314         * omp-low.c (expand_omp_atomic_pipeline): Do not set
1315         DECL_POINTER_ALIAS_SET. Use ref-all pointers.
1316         * print-tree.c (print_node): Do not print DECL_POINTER_ALIAS_SET.
1317         * tree.c (restrict_base_for_decl): Remove.
1318         (init_ttree): Do not allocate it.
1319         (make_node_stat): Do not set DECL_POINTER_ALIAS_SET.  Set
1320         LABEL_DECL_UID for label decls.
1321         (copy_node_stat): Do not copy restrict information.
1322         (decl_restrict_base_lookup): Remove.
1323         (decl_restrict_base_insert): Likewise.
1324         (print_restrict_base_statistics): Likewise.
1325         (dump_tree_statistics): Do not call print_restrict_base_statistics.
1326         * tree.h (DECL_POINTER_ALIAS_SET): Remove.
1327         (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
1328         (struct tree_decl_common): Rename pointer_alias_set to label_decl_uid.
1329         (LABEL_DECL_UID): Adjust.
1330         (DECL_BASED_ON_RESTRICT_P): Remove.
1331         (DECL_GET_RESTRICT_BASE): Likewise.
1332         (SET_DECL_RESTRICT_BASE): Likewise.
1333         (struct tree_decl_with_vis): Remove based_on_restrict_p flag.
1334
1335         * config/i386/i386.c (ix86_gimplify_va_arg): Use ref-all pointers
1336         instead of DECL_POINTER_ALIAS_SET.
1337         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1338         * config/s390/s390.c (s390_gimplify_va_arg): Likewise.
1339         * config/spu/spu.c (spu_gimplify_va_arg_expr): Likewise.
1340
1341 2009-06-29  Richard Guenther  <rguenther@suse.de>
1342
1343         PR tree-optimization/40579
1344         * tree-vrp.c (vrp_evaluate_conditional): Bail out early if
1345         the IL to simplify has constants that overflowed.
1346
1347 2009-06-28  Uros Bizjak  <ubizjak@gmail.com>
1348
1349         PR tree-optimization/40550
1350         * tree-vect-generic.c (expand_vector_operations_1): Compute in
1351         vector_compute_type only when the size of vector_compute_type is
1352         less than the size of type.
1353
1354 2009-06-28  Eric Botcazou  <ebotcazou@adacore.com>
1355
1356         * fold-const.c (contains_label_1): Fix comments.
1357         (contains_label_p): Do not walk trees multiple time.
1358
1359 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
1360
1361         * config/i386/i386.h (enum ix86_fpcmp_strategy): New.
1362         * config/i386/i386.md (cbranchxf4, cstorexf4, cbranch<MODEF>4,
1363         cstore<MODEF>4, mov<X87MODEF>cc): Change predicate to
1364         ix86_fp_comparison_operator.
1365         (*fp_jcc_1_mixed, *fp_jcc_1_sse, *fp_jcc_1_387, *fp_jcc_2_mixed,
1366         *fp_jcc_2_sse, *fp_jcc_2_387): Delete
1367         (*fp_jcc_3_387, *fp_jcc_4_387, *fp_jcc_5_387, *fp_jcc_6_387,
1368         *fp_jcc_7_387, *fp_jcc_8<MODEF>_387): Eliminate call to
1369         !ix86_use_fcomi_compare, change ix86_fp_jump_nontrivial_p call
1370         to !TARGET_CMOVE, change predicate to ix86_fp_comparison_operator.
1371         (related splits): Change predicate to ix86_fp_comparison_operator.
1372         * config/i386/predicates.md: Use ix86_trivial_fp_comparison_operator
1373         instead of ix86_fp_comparison_codes.
1374         (ix86_trivial_fp_comparison_operator,
1375         ix86_fp_comparison_operator): New.
1376         * config/i386/i386-protos.h (ix86_fp_comparison_strategy): New.
1377         (ix86_expand_compare): Eliminate last two parameters.
1378         (ix86_fp_jump_nontrivial_p): Kill.
1379         * config/i386/i386.c (put_condition_code): Eliminate call to
1380         ix86_fp_comparison_codes and subsequent assertion.
1381         (ix86_fp_comparison_codes): Eliminate.
1382         (ix86_fp_swap_condition): New.
1383         (ix86_fp_comparison_arithmetics_cost, ix86_fp_comparison_fcomi_cost,
1384         ix86_fp_comparison_sahf_cost, ix86_use_fcomi_compare): Consolidate
1385         into ix86_fp_comparison_cost and ix86_fp_comparison_strategy.
1386         (ix86_prepare_fp_compare_args): Use ix86_fp_comparison_strategy
1387         and ix86_fp_swap_condition.
1388         (ix86_expand_fp_compare): Eliminate code for second jump/bypass jump.
1389         Use ix86_fp_comparison_strategy.
1390         (ix86_expand_compare): Likewise.  Eliminate last two arguments.
1391         (ix86_fp_jump_nontrivial_p): Eliminate.
1392         (ix86_expand_branch): Treat SFmode/DFmode/XFmode as simple.  Adjust
1393         call to ix86_expand_compare.
1394         (ix86_split_fp_branch, ix86_expand_setcc,
1395         ix86_expand_carry_flag_compare, ix86_expand_int_movcc,
1396         ix86_expand_fp_movcc): Eliminate code for second jump/bypass jump.
1397
1398 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
1399
1400         * config/arm/arm.c (arm_final_prescan_ins): Eliminate code
1401         related to jump_clobbers.
1402         * config/arm/arm.md (conds): Remove jump_clob case.
1403         (addsi3_cbranch, addsi3_cbranch_scratch, subsi3_cbranch, two
1404         splits): Change comparison_operator to arm_comparison_operator.
1405         (*arm_buneq, *arm_bltgt, *arm_buneq_reversed, *arm_bltgt_reversed):
1406         Eliminate.
1407
1408 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
1409
1410         * dojump.c (do_compare_rtx_and_jump): Try swapping the
1411         condition for floating point modes.
1412         * expmed.c (emit_store_flag_1): Move here a bigger part
1413         of emit_store_flag.
1414         (emit_store_flag): Try swapping the condition for floating point
1415         modes.
1416         * optabs.c (emit_cmp_and_jump_insns): Cope with constant op0 better.
1417
1418 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
1419
1420         * expr.c (expand_expr_real_1): Just use do_store_flag.
1421         (do_store_flag): Drop support for TRUTH_NOT_EXPR.  Use
1422         emit_store_flag_force.
1423         * expmed.c (emit_store_flag_force): Copy here trick
1424         previously in expand_expr_real_1.  Try reversing the comparison.
1425         (emit_store_flag_1): Work if target is NULL.
1426         (emit_store_flag): Work if target is NULL, using the result mode
1427         from the comparison.  Use split_comparison, restructure final part
1428         to simplify conditionals.
1429
1430 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
1431
1432         * builtins.c (expand_errno_check): Use do_compare_rtx_and_jump.
1433         * dojump.c (do_jump): Change handling of floating-point
1434         ops to use just do_compare_and_jump.
1435         (split_comparison): New.
1436         (do_compare_rtx_and_jump): Add here logic coming previously
1437         in do_jump, using split_comparison.
1438
1439 2009-06-27  H.J. Lu  <hongjiu.lu@intel.com>
1440
1441         PR target/40489
1442         * config/ia64/ia64.c (ia64_reorg): Check NULL insn.
1443
1444 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
1445
1446         * tree-ssa-alias.c: Fix unintentional commit.
1447
1448 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
1449
1450         * passes.c (execute_one_pass): Fix unintentional commit.
1451
1452 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
1453
1454         * df-problems.c (df_set_seen, df_unset_seen): Delete.
1455         (df_rd_local_compute, df_md_local_compute): Inline them.
1456
1457         (df_md_scratch): New.
1458         (df_md_alloc, df_md_free): Allocate/free it.
1459         (df_md_local_compute): Only include live registers in init.
1460         (df_md_transfer_function): Prune the in-set computed by
1461         the confluence function, and the gen-set too.
1462
1463 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
1464
1465         PR rtl-optimization/26854
1466         * timevar.def: Remove TV_DF_RU, add TV_DF_MD.
1467         * df-problems.c (df_rd_add_problem): Fix comment.
1468         (df_md_set_bb_info, df_md_free_bb_info, df_md_alloc,
1469         df_md_simulate_artificial_defs_at_top,
1470         df_md_simulate_one_insn, df_md_bb_local_compute_process_def,
1471         df_md_bb_local_compute, df_md_local_compute, df_md_reset,
1472         df_md_transfer_function, df_md_init, df_md_confluence_0,
1473         df_md_confluence_n, df_md_free, df_md_top_dump, df_md_bottom_dump,
1474         problem_MD, df_md_add_problem): New.
1475         * df.h (DF_MD, DF_MD_BB_INFO, struct df_md_bb_info, df_md,
1476         df_md_get_bb_info): New.
1477         (DF_LAST_PROBLEM_PLUS1): Adjust.
1478
1479         * Makefile.in (fwprop.o): Include domwalk.h.
1480         * fwprop.c: Include domwalk.h.
1481         (reg_defs, reg_defs_stack): New.
1482         (bitmap_only_bit_between): Remove.
1483         (process_defs): New.
1484         (process_uses): Use reg_defs and local_md instead of
1485         bitmap_only_bit_between and local_rd.
1486         (single_def_use_enter_block): New, from build_single_def_use_links.
1487         (single_def_use_leave_block): New.
1488         (build_single_def_use_links): Remove code moved to
1489         single_def_use_enter_block, invoke domwalk.
1490         (use_killed_between): Adjust comment.
1491
1492 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
1493
1494         * bitmap.h (bitmap_ior_and_into): New.
1495         * bitmap.c (bitmap_ior_and_into): New.
1496
1497 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
1498
1499         * domwalk.h (struct dom_walk_data): Remove all callbacks except
1500         before_dom_children_before_stmts and after_dom_children_after_stmts.
1501         Rename the two remaining callbacks to just before_dom_children and 
1502         after_dom_children. Remove other GIMPLE statement walking bits.
1503         * domwalk.c (walk_dominator_tree): Remove now unsupported features.
1504         * graphite.c: Do not include domwalk.h.
1505         * tree-into-ssa.c (interesting_blocks): New global.
1506         (struct mark_def_sites_global_data): Remove it and names_to_rename.
1507         (mark_def_sites, rewrite_stmt, rewrite_add_phi_arguments,
1508         rewrite_update_stmt, rewrite_update_phi_arguments): Simplify
1509         now that they're not domwalk callbacks.
1510         (rewrite_initialize_block): Rename to...
1511         (rewrite_enter_block): ... this, place after called functions.  Test
1512         interesting_blocks, call rewrite_stmt and rewrite_add_phi_arguments.
1513         (rewrite_finalize_block): Rename to...
1514         (rewrite_leave_block): ... this, place after called functions.
1515         (rewrite_update_init_block): Rename to...
1516         (rewrite_update_enter_block): ... this, place after called functions.
1517         Test interesting_blocks, call rewrite_update_stmt and 
1518         rewrite_update_phi_arguments.
1519         (rewrite_update_fini_block): Rename to...
1520         (rewrite_leave_block): ... this, place after called functions.
1521         (rewrite_blocks): Remove last argument, simplify initialization of
1522         walk_data.
1523         (mark_def_sites_initialize_block): Rename to...
1524         (mark_def_sites_block): ... this, call mark_def_sites.
1525         (mark_def_sites_blocks): Remove argument, simplify initialization of
1526         walk_data.
1527         (rewrite_into_ssa): Adjust for interesting_blocks_being a global.
1528         (update_ssa): Likewise.
1529         * tree-ssa-dom.c (optimize_stmt): Simplify now that it's not a domwalk
1530         callback.
1531         (tree_ssa_dominator_optimize): Simplify initialization of walk_data.
1532         (dom_opt_initialize_block): Rename to...
1533         (dom_opt_enter_block): ... this, place after called functions.  Walk
1534         statements here, inline propagate_to_outgoing_edges.
1535         (dom_opt_finalize_block): Rename to...
1536         (dom_opt_leave_block): ... this, place after called functions.
1537         * tree-ssa-dse.c (dse_optimize_stmt): Simplify now that it's not a
1538         domwalk callback.
1539         (dse_enter_block, dse_record_phi): New.
1540         (dse_record_phis): Delete.
1541         (dse_finalize_block): Rename to...
1542         (dse_leave_block): ... this.
1543         (tree_ssa_dse): Simplify initialization of walk_data.
1544         * tree-ssa-loop-im.c (determine_invariantness, move_computations):
1545         Adjust initialization of walk_data.
1546         * tree-ssa-loop-unswitch.c: Do not include domwalk.h.
1547         * tree-ssa-loop-phiopt.c (get_non_trapping):
1548         Adjust initialization of walk_data.
1549         * tree-ssa-loop-threadedge.c: Do not include domwalk.h.
1550         * tree-ssa-uncprop.c (uncprop_into_successor_phis): Simplify now that
1551         it's not a domwalk callback.
1552         (uncprop_initialize_block): Rename to...
1553         (dse_enter_block): ... this, call uncprop_into_successor_phis.
1554         (dse_finalize_block): Rename to...
1555         (dse_leave_block): ... this.
1556         (tree_ssa_uncprop): Simplify initialization of walk_data.
1557         * Makefile.in: Adjust dependencies.
1558
1559 2009-06-27  Richard Earnshaw  <rearnsha@arm.com>
1560
1561         * arm.md (casesi): Fix test for Thumb1.
1562         (thumb1_casesi_internal_pic): Likewise.
1563         (thumb1_casesi_dispatch): Likewise.
1564
1565 2009-06-26  Daniel Gutson  <dgutson@codesourcery.com>
1566
1567         * config/arm/arm-cores.def: Added core cortex-m0.
1568         * config/arm/arm-tune.md: Regenerated.
1569         * doc/invoke.texi: Added entry for cpu ARM Cortex-M0.
1570
1571 2009-06-26  DJ Delorie  <dj@redhat.com>
1572
1573         * config/mep/mep.opt (mfar): Remove -mfar as it doesn't do anything.
1574
1575         * config/mep/mep.c (mep_bundle_insns): Account for the fact that
1576         the scheduler doesn't tag jump insns.
1577
1578 2009-06-26  H.J. Lu  <hongjiu.lu@intel.com>
1579
1580         * c-decl.c (merge_decls): Re-indent.
1581
1582 2009-06-26  Janis Johnson  <janis187@us.ibm.com>
1583
1584         PR c/39902
1585         * tree.c (real_zerop, real_onep, real_twop, real_minus_onep):
1586         Special-case decimal float constants.
1587
1588 2009-06-26  Richard Henderson  <rth@redhat.com>
1589
1590         * function.h (struct function): Add cannot_be_copied_reason,
1591         and cannot_be_copied_set.
1592         * tree-inline.c (has_label_address_in_static_1): Rename from
1593         inline_forbidden_p_2; don't set inline_forbidden_reason here.
1594         (cannot_copy_type_1): Rename from inline_forbidden_p_op; likewise
1595         don't set inline_forbidden_reason.
1596         (copy_forbidden): New function, split out of inline_forbidden_p.
1597         (inline_forbidden_p_stmt): Don't check for nonlocal labels here.
1598         (inline_forbidden_p): Use copy_forbidden.
1599         (tree_versionable_function_p): Likewise.
1600         (inlinable_function_p): Merge into tree_inlinable_function_p.
1601         (tree_function_versioning): Remap cfun->nonlocal_goto_save_area.
1602         * ipa-cp.c (ipcp_versionable_function_p): New function.
1603         (ipcp_cloning_candidate_p): Use it.
1604         (ipcp_node_modifiable_p): Likewise.
1605
1606 2009-06-26  Olatunji Ruwase  <tjruwase@google.com>
1607
1608         * builtins.c (expand_builtin_alloca): Handle builtin alloca
1609         that is marked not to be inlined. Remove flag_mudflap use.
1610         * tree-mudflap.c: Rename mf_xform_derefs to mf_xfrom_statements.
1611         (mf_xform_statements): Mark builtin alloca calls as un-inlineable.
1612
1613 2009-06-26  Steve Ellcey  <sje@cup.hp.com>
1614
1615         PR bootstrap/40338
1616         * config/pa/t-pa-hpux10 (TARGET_LIBGCC2_CFLAGS): Add -frandom-seed.
1617         * config/pa/t-pa-hpux11 (TARGET_LIBGCC2_CFLAGS): Ditto.
1618
1619 2009-06-26  Kai Tietz  <kai.tietz@onevision.com>
1620
1621         * config/i386/mingw-tls.c (__mingwthr_key_dtor): Remove for none
1622         shared libgcc.
1623         (__mingwthr_remove_key_dtor): Likewise.
1624
1625 2009-06-26  Richard Guenther  <rguenther@suse.de>
1626
1627         * tree-ssa-structalias.c (do_ds_constraint): Simplify escape handling.
1628
1629 2009-06-26  Steven Bosscher  <steven@gcc.gnu.org>
1630
1631         PR middle-end/40525
1632         * ifcvt.c (dead_or_predicable): If predicating MERGE_BB fails,
1633         try the non-cond_exec path also.
1634
1635 2009-06-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1636
1637         PR target/40468
1638         * pa.c (branch_to_delay_slot_p, branch_needs_nop_p): New functions.
1639         (output_cbranch): Use new functions.
1640         (output_lbranch, output_bb, output_bvb, output_dbra, output_movb):
1641         Likewise.
1642
1643 2009-06-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
1644             Pat Haugen  <pthaugen@us.ibm.com>
1645             Revital Eres <ERES@il.ibm.com>
1646
1647         * config/rs6000/rs6000.c (print_operand): Correct lossage message
1648         for %c error.  Add %x support to print VSX registers as a unified
1649         register set, instead of separate float and altivec registers.
1650         Switch to use VECTOR_MEM_ALTIVEC_P instead of TARGET_ALTIVEC for
1651         %y case, and add support for VSX pre-modify addresses.
1652         (output_toc): Add assert for CONST containing an integer constant
1653         in the PLUS case.
1654         (rs6000_adjust_cost): Add POWER7 support.
1655         (insn_must_be_first_in_group): Ditto.
1656         (insn_must_be_last_in_group): Ditto.
1657         (rs6000_emit_popcount): Ditto.
1658         (rs6000_vector_mode_supported_p): Ditto.
1659
1660         * config/rs6000/rs6000-protos.h (rs6000_secondary_reload_class):
1661         Change some of the functions called by macros to being called
1662         through a pointer, so debug functions can be inserted if
1663         -mdebug=addr or -mdebug=cost. 
1664         (rs6000_preferred_reload_class_ptr): Ditto.
1665         (rs6000_secondary_reload_class_ptr): Ditto.
1666         (rs6000_secondary_memory_needed_ptr): Ditto.
1667         (rs6000_cannot_change_mode_class_ptr): Ditto.
1668         (rs6000_secondary_reload_inner): Ditto.
1669         (rs6000_legitimize_reload_address): Ditto.
1670         (rs6000_legitimize_reload_address_ptr): Ditto.
1671         (rs6000_mode_dependent_address): Ditto.
1672         (rs6000_mode_dependent_address_ptr): Ditto.
1673
1674         * config/rs6000/rs6000.c (reg_offset_addressing_ok_p): New
1675         function to return true if the mode allows reg + integer
1676         addresses.
1677         (virtual_stack_registers_memory_p): New function to return true if
1678         the address refers to a virtual stack register.
1679         (rs6000_legitimate_offset_address_p): Move code to say whether a
1680         mode supports reg+int addressing to reg_offset_addressing_ok_p and
1681         call it.
1682         (rs6000_legitimate_address_p): Add checks for modes that only can
1683         do reg+reg addressing.  Start adding VSX support.
1684         (rs6000_legitimize_reload_address): Ditto.
1685         (rs6000_legitimize_address): Ditto.
1686         (rs6000_debug_legitimate_address_p): New debug functions for
1687         -mdebug=addr and -mdebug=cost.
1688         (rs6000_debug_rtx_costs): Ditto.
1689         (rs6000_debug_address_costs): Ditto.
1690         (rs6000_debug_adjust_cost): Ditto.
1691         (rs6000_debug_legitimize_address): Ditto.
1692         (rs6000_legitimize_reload_address_ptr): Point to call normal
1693         function or debug function.  Make functions called via pointer
1694         static.
1695         (rs6000_mode_dependent_address_ptr): Ditto.
1696         (rs6000_secondary_reload_class_ptr): Ditto.
1697         (rs6000_hard_regno_mode_ok): Add preliminary VSX support.
1698         (rs6000_emit_move): Add -mdebug=addr support.  Change an abort
1699         into a friendlier error.
1700         (rs6000_init_builtins): Add initial VSX support.
1701         (rs6000_adjust_cost): Fix some spacing issues.
1702
1703         * config/rs6000/rs6000.h (enum reg_class): Add VSX_REGS.
1704         (REG_CLASS_NAMES): Ditto.
1705         (REG_CLASS_CONTENTS): Ditto.
1706         (PREFERRED_RELOAD_CLASS): Move from a macro to calling through a
1707         pointer, to add -mdebug=addr support.
1708         (CANNOT_CHANGE_MODE_CLASS): Ditto.
1709         (SECONDARY_RELOAD_CLASS): Call through a pointer to add
1710         -mdebug=addr support.
1711         (LEGITIMIZE_RELOAD_ADDRESS): Ditto.
1712         (GO_IF_MODE_DEPENDENT_ADDRESS): Ditto.
1713         (enum rs6000_builtins): Add RS6000_BUILTIN_BSWAP_HI.
1714
1715         * config/rs6000/rs6000.md (bswaphi*): Add support for swapping
1716         16-bit values.
1717         (bswapsi*): Set attribute types for load/store.  Add combiner
1718         patterns to eliminate zero extend on 64-bit.
1719         (bswapdi*): Add support for swapping 64-bit values.  Use ldbrx and
1720         stdbrx if the hardware supports those instructions.
1721
1722 2009-06-25  Ian Lance Taylor  <iant@google.com>
1723
1724         * doc/invoke.texi (Option Summary): Mention -static-libstdc++.
1725         (Link Options): Document -static-libstdc++.
1726
1727 2009-06-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1728
1729         PR target/38731
1730         * config/rs6000/rs6000.c (LOCAL_ALIGNMENT): Redefine to just use
1731         DATA_ALIGNMENT instead.
1732
1733 2009-06-25  Richard Guenther  <rguenther@suse.de>
1734
1735         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Disambiguate
1736         indirect references against the callused/escaped solutions.
1737         (call_may_clobber_ref_p_1): Likewise.
1738
1739 2009-06-25  Martin Jambor  <mjambor@suse.cz>
1740
1741         PR tree-optimization/40493
1742         * tree-sra.c (sra_modify_expr): Correct BIT_FIELD_REF argument numbers.
1743         (enum unscalarized_data_handling): New type.
1744         (handle_unscalarized_data_in_subtree): Return what has been done.
1745         (load_assign_lhs_subreplacements): Handle left flushes differently.
1746         (sra_modify_assign): Use unscalarized_data_handling, simplified
1747         condition determining whether to remove the statement.
1748
1749 2009-06-25  Basile Starynkevitch  <basile@starynkevitch.net>
1750
1751         * doc/plugins.texi (Building GCC plugins): Correct typo in Makefile
1752         excerpt - @ should be doubled for texinfo.
1753
1754 2009-06-24  Ian Lance Taylor  <iant@google.com>
1755
1756         * config/arc/arc.c: Include "df.h".
1757         (arc_attribute_table): Make static.  Move higher in file.
1758         (arc_address_cost): Call SMALL_INT on INTVAL, not rtx.
1759         (output_shift): Initialize n later to avoid warning.
1760         * config/arm/arm.c (arm_attribute_table): Make static.  Move
1761         higher in file.
1762         * config/avr/avr.c (avr_attribute_table): Make static.  Move
1763         higher in file.
1764         (reg_class_tab): Change array type from int to enum reg_class.
1765         (avr_jump_mode): Change GET_MODE to GET_CODE when checking for
1766         LABEL_REF.
1767         (out_tsthi, ashlhi3_out): Don't use AS2 with "or" or "and".
1768         (lshrhi3_out): Likewise.
1769         (class_likely_spilled_p): Change return type to bool.
1770         (avr_rtx_costs): Use local code variable with enum type.
1771         * config/avr/avr.md (movmemhi): Use add_reg_note.
1772         (andhi3, andsi3): Don't use AS2 with "and".
1773         (iorhi3, iorsi3): Don't use AS2 with "or".
1774         * config/avr/avr-protos.h (class_likely_spilled_p): Update declaration.
1775         * config/crx/crx.c: Include "df.h".
1776         (crx_attribute_table): Make static.
1777         * config/m32r/m32r.c: Include "df.h".
1778         (m32r_attribute_table): Make static.  Move higher in file.
1779         (pop): Use add_reg_note.
1780         (block_move_call): Change 0 to LCT_NORMAL in function call.
1781         * config/m32r/m32r.md (movsi_insn): Remove unused local value.
1782         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Likewise.
1783         * config/m32r/m32r-protos.h (m32r_compute_function_type): Always
1784         declare, not just when TREE_CODE is defined.
1785         * config/m68hc11/m68hc11.c: Include "expr.h".
1786         (m68hc11_attribute_table): Make static.  Move higher in file.
1787         (m68hc11_small_indexed_indirect_p): Change 0 to VOIDmode in
1788         function call.
1789         (m68hc11_register_indirect_p): Likewise.
1790         (m68hc11_function_arg_padding): Change return type to enum
1791         direction.
1792         (emit_move_after_reload): Use add_reg_note.
1793         (m68hc11_emit_logical): Change code parameter to enum rtx_code.
1794         (m68hc11_split_logical): Likewise.
1795         (m68hc11_rtx_costs): Add local code_and outer_code variables with
1796         enum type.
1797         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Change 0
1798         to VOIDmode in function call.
1799         * config/m68hc11/m68hc11-protos.h: Don't check TREE_CODE to see if
1800         tree is defined.
1801         (m68hc11_split_logical): Update declaration.
1802         (m68hc11_function_arg_padding): Update declaration.
1803         * config/mcore/mcore.c (regno_reg_class): Change form array of int
1804         to array of enum reg_class.
1805         (mcore_attribute_table): Make static.  Move higher in file.
1806         (mcore_rtx_costs): Add cast to enum type.
1807         * config/mcore/mcore.h (regno_reg_class): Update declaration.
1808         (GO_IF_LEGITIMATE_INDEX): Add cast to avoid warning.
1809         * config/sh/sh.c (sh_attribute_table): Make static.  Move higher
1810         in file.
1811         * config/sh/predicates.md (trapping_target_operand): Rename and to
1812         and_expr.
1813         * config/sparc/sparc.c (sparc_attribute_table): Make static.  Move
1814         higher in file.
1815         * config/spu/spu.c (spu_attribute_table): Make static.  Move
1816         higher in file.
1817         * config/v850/v850.c (v850_attribute_table): Make static.  Move
1818         higher in file.
1819         (v850_rtx_costs): Use local code with enum type.
1820         (expand_epilogue): Add cast.
1821         * config/v850/v850-c.c (ghs_pragma_section): Initialize repeat.
1822
1823 2009-06-23  Takashi YOSHII  <yoshii.takashi@renesas.com>
1824
1825         PR target/40515
1826         * doc/invoke.texi (SH Options): Document -m2a, -m2a-single,
1827         -m2a-single-only and -m2a-nofpu.
1828         * config/sh/sh.opt: Document m2a generates FPU code.  
1829
1830 2009-06-24  Anatoly Sokolov  <aesok@post.ru>
1831
1832         * defaults.h (CAN_ELIMINATE): Provide default.
1833         * doc/tm.texi (CAN_ELIMINATE): Revise documentation.
1834         * config/alpha/alpha.h (CAN_ELIMINATE): Delete.
1835         * config/m32c/m32c.h (CAN_ELIMINATE): Delete.
1836         * config/spu/spu.h (CAN_ELIMINATE): Delete.
1837         * config/xtensa/xtensa.h (CAN_ELIMINATE): Delete.
1838         * config/moxie/moxie.h (CAN_ELIMINATE): Delete.
1839         * config/cris/cris.h (CAN_ELIMINATE): Delete.
1840         * config/mn10300/mn10300.h (CAN_ELIMINATE): Delete.
1841         * config/pa/pa64-linux.h (CAN_ELIMINATE): Delete.
1842         * config/mmix/mmix.h (CAN_ELIMINATE): Delete.
1843
1844 2009-06-24  DJ Delorie  <dj@redhat.com>
1845
1846         * mep-ext-cop.cpu: Fix copyright notice.
1847         * mep-default: Fix copyright notice.
1848         * mep-core: Fix copyright notice.
1849         * mep: Fix copyright notice.
1850         * mep-ivc2: Fix copyright notice.
1851         * mep-c5: Fix copyright notice.
1852
1853 2009-06-24  Denis Chertykov  <chertykov@gmail.com>
1854
1855         * doc/contrib.texi (Contributors): 
1856
1857 2009-06-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1858         
1859         PR middle-end/40501
1860         * tree-ssa-math-opts.c (execute_optimize_bswap): Convert the bswap
1861         src and dst operands if necessary.
1862
1863 2009-06-23  DJ Delorie  <dj@redhat.com>
1864
1865         Add MeP port.
1866         * config.gcc: Add mep support.
1867         * recog.c: Resurrect validate_replace_rtx_subexp().
1868         * recog.h: Likewise.
1869         * config/mep/: Add new port:
1870         * config/mep/constraints.md: New file.
1871         * config/mep/default.h: New file.
1872         * config/mep/intrinsics.h: New file.
1873         * config/mep/intrinsics.md: New file.
1874         * config/mep/ivc2-template.h: New file.
1875         * config/mep/mep-c5.cpu: New file.
1876         * config/mep/mep-core.cpu: New file.
1877         * config/mep/mep-default.cpu: New file.
1878         * config/mep/mep-ext-cop.cpu: New file.
1879         * config/mep/mep-intrin.h: New file.
1880         * config/mep/mep-ivc2.cpu: New file.
1881         * config/mep/mep-lib1.asm: New file.
1882         * config/mep/mep-lib2.c: New file.
1883         * config/mep/mep-pragma.c: New file.
1884         * config/mep/mep-protos.h: New file.
1885         * config/mep/mep-tramp.c: New file.
1886         * config/mep/mep.c: New file.
1887         * config/mep/mep.cpu: New file.
1888         * config/mep/mep.h: New file.
1889         * config/mep/mep.md: New file.
1890         * config/mep/mep.opt: New file.
1891         * config/mep/predicates.md: New file.
1892         * config/mep/t-mep: New file.
1893
1894 2009-06-23  Ian Lance Taylor  <iant@google.com>
1895
1896         * configure.ac: Invoke AC_PROG_CXX.  Separate C specific warnings
1897         from loose_warn into c_loose_warn and from strict_warn into
1898         c_strict_warn.  Set and substitute warn_cxxflags.  Check for
1899         --enable-build-with-cxx.  Set and substitute
1900         ENABLE_BUILD_WITH_CXX.  Set and substitute HOST_LIBS.
1901         * Makefile.in (CXXFLAGS): New variable.
1902         (C_LOOSE_WARN, C_STRICT_WARN): New variables.
1903         (GCC_WARN_CFLAGS): Add $(C_LOOSE_WARN).  Add $(C_STRICT_WARN) if
1904         the default is the same as $(STRICT_WARN).
1905         (GCC_WARN_CXXFLAGS, WARN_CXXFLAGS): New variables.
1906         (CXX): New variable.
1907         (COMPILER): New value if ENABLE_BUILD_WITH_CXX.
1908         (COMPILER_FLAGS, LINKER, LINKER_FLAGS): Likewise.
1909         (ALL_COMPILERFLAGS, ALL_LINKERFLAGS): Likewise.
1910         (HOST_LIBS): New variable.
1911         (GCC_CFLAGS): Add $(C_LOOSE_WARN).
1912         (ALL_CXXFLAGS): New variable.
1913         (LIBS, BACKENDLIBS): Add $(HOST_LIBS).
1914         * doc/install.texi (Configuration): Document
1915         --enable-build-with-cxx, --with-stage1-ldflags,
1916         --with-stage1-libs, --with-boot-ldflags, --with-boot-libs.
1917         * configure: Rebuild.
1918
1919 2009-06-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1920
1921         * config/arm/arm.c (arm_override_options): Fix braces and formatting
1922         from previous commit.
1923
1924 2009-06-23  Ian Lance Taylor  <iant@google.com>
1925
1926         * Makefile.in ($(out_object_file)): Depend upon $(DF_H).
1927
1928 2009-06-23  Ian Lance Taylor  <iant@google.com>
1929
1930         * reload.c (alternative_allows_const_pool_ref): Mark mem parameter
1931         with ATTRIBUTE_UNUSED.
1932
1933 2009-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1934             Pat Haugen  <pthaugen@us.ibm.com>
1935             Revital Eres  <eres@il.ibm.com>
1936
1937         * config.in (HAVE_AS_POPCNTD): Add default definition.
1938         (HAVE_AS_LWSYNC): Ditto.
1939
1940         * configure.ac (gcc_cv_as_powerpc_mfpgpr): Provide real binutils
1941         release number.
1942         (gcc_cv_as_powerpc_cmpb): Ditto.
1943         (gcc_cv_as_powerpc_dfp): Ditto.
1944         (gcc_cv_as_powerpc_vsx): Ditto.
1945         (gcc_cv_as_powerpc_popcntd): Add feature test for assembler
1946         supporting the popcntd/lwsync instructions.
1947         (gcc_cv_as_powerpc_lwsync): Ditto.
1948         * configure: Regenerate.
1949
1950         * config/rs6000/aix53.h (ASM_CPU_SPEC): Add support for
1951         -mcpu=native and -mcpu=power7.
1952         * config/rs6000/aix61.h (ASM_CPU_SPEC): Ditto.
1953
1954         * config/rs6000/linux64.opt (-mprofile-kernel): Move switch to be
1955         a variable instead of a mask to reduce the number of mask bits.
1956         * config/rs6000/sysv4.opt (-mbit-align): Ditto.
1957         (-mbit-word): Ditto.
1958         (-mregnames): Ditto.
1959         * config/rs6000/rs6000.opt (-mupdate): Ditto.
1960         (-mfused-madd): Ditto.
1961
1962         * config/rs6000/rs6000.opt (-mpopcntd): New switch for non-VSX ISA
1963         2.06 instructions.
1964         (-mvsx): New switch for VSX instructions.
1965         (-misel): Move from a variable to a mask to allow it to be set by
1966         -mcpu=.
1967
1968         * config/rs6000/rs6000-protos.h (rs6000_hard_regno_nregs): Change
1969         function declaration to an array declaration.
1970         (rs6000_hard_regno_nregs): New external array declaration.
1971
1972         * config/rs6000/t-rs6000 (MD_INCLUDES): Define, add all of the .md
1973         files included by rs6000.md.
1974
1975         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use
1976         SET_PROFILE_KERNEL macro to reset the -mprofile-kernel switch.
1977
1978         * config/rs6000/rs6000.c (rs6000_isel): Delete, -misel moved to be
1979         a target mask.
1980         (rs6000_debug_reg): New -mdebug= variables.
1981         (rs6000_debug_addr): Ditto.
1982         (rs6000_debug_cost): Ditto.
1983         (rs6000_pmode): New variable to hold Pmode.
1984         (rs6000_pointer_size): New variable to hold POINTER_SIZE.
1985         (rs6000_class_max_nregs): New array to hold CLASS_MAX_NREGS
1986         calculated at compiler start.
1987         (rs6000_hard_regno_nregs): Change function to an array which holds
1988         HARD_REGNO_NREGS calculated at compiler start.
1989         (rs6000_explicit_options): Delete isel field.
1990         (rs6000_vector_unit): New array to hold which vector unit
1991         supports arithmetic options for a given type.
1992         (rs6000_vector_mem): New array to hold which vector unit supports
1993         memory reference operations for a given type.
1994         (rs6000_vector_align): New array to given the alignment of each
1995         vector type.
1996         (power7_cost): New basic costs for power7.
1997         (SET_PROFILE_KERNEL): New macro for resetting -mprofile-kernel.
1998         (rs6000_hard_regno_nregs_internal): New function, moved from
1999         HARD_REGNO_NREGS, to calculate the number of registers each hard
2000         register takes for each type.
2001         (rs6000_debug_reg_print): New function for -mdebug=reg support.
2002         (rs6000_debug_vector_unit): New array, map rs6000_vector to string.
2003         (+rs6000_init_hard_regno_mode_ok): New function, move calculation
2004         of HARD_REGNO_NREGS, CLASS_MAX_NREGS, REGNO_REG_CLASS, and vector
2005         unit information here so it is calculated once at compiler startup
2006         time.
2007         (rs6000_override_options): Make -misel a target mask.  Add more
2008         power7 target masks.  Setup Pmode and POINTER_SIZE.  Add initial
2009         VSX support.  Add support for -mdebug=reg, -mdebug=addr, and
2010         -mdebug=cost.
2011         (POWERPC_MASKS): Add MASK_POPCNTD, MASK_VSX, and MASK_ISEL.
2012         (rs6000_handle_option): Move -misel from variable to target mask.
2013         (rs6000_builtin_mask_for_load): Add VSX support.
2014         (rs6000_conditional_register_usage): Ditto.
2015         (USE_ALTIVEC_FOR_ARG_P): Ditto.
2016         (function_arg_boundary): Ditto.
2017         (rs6000_expand_builtin): Ditto.
2018         (def_builtin): Make abort message a little friendlier.
2019         (rs6000_emit_int_cmove): Add support for 64-bit isel.
2020
2021         * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Depend on the
2022         assembler support the popcntd instruction instead of a vsx
2023         instruction to enable power7 support.
2024         (ASM_CPU_SPEC): Add support for -mcpu=native and -mcpu=power7.
2025         (EXTRA_SPECS): Add ASM_CPU_NATIVE_SPEC to allow passing the right
2026         option to the assembler if -mcpu=native.
2027         (ASM_CPU_NATIVE_SPEC): Ditto.
2028         (TARGET_POPCNTD): If assembler doesn't support popcntd, turn off
2029         ISA 2.06 features.
2030         (TARGET_LWSYNC_INSTRUCTION): Define whether it is safe to issue
2031         the lwsync instruction.
2032         (enum processor_type): Add PROCESSOR_POWER7.
2033         (rs6000_debug_reg): New -mdebug= options.
2034         (rs6000_debug_addr): Ditto.
2035         (rs6000_debug_cost): Ditto.
2036         (rs6000_isel): Delete.
2037         (enum rs6000_vector): New enum to say what vector unit we have.
2038         (VECTOR_UNIT_*): New macros to say which vector unit has
2039         arithmetic operations for a given type.
2040         (VECTOR_MEM_*): New macros to say which vector unit has memory
2041         operations for a given type.
2042         (TARGET_LDBRX): Whether the machine supports the ldbrx
2043         instruction.
2044         (TARGET_ISEL): Delete, -misel moved to be a mask.
2045         (TARGET_ISEL64): New macro for 64-bit isel support.
2046         (UNITS_PER_VSX_WORD): New macro.
2047         (POINTER_SIZE): Move to be an external variable, rather than
2048         calculating whether we are generating 32 ot 64-bit code.
2049         (Pmode): Ditto.
2050         (STACK_BOUNDARY): Add VSX support.
2051         (LOCAL_ALIGNMENT): Ditto.
2052         (SLOW_UNALIGNED_ACCESS): Ditto.
2053         (VSX_REGNO_P): New macro for VSX support.
2054         (VFLOAT_REGNO_P): Ditto.
2055         (VINT_REGNO_P): Ditto.
2056         (VLOGICAL_REGNO_P): Ditto.
2057         (VSX_VECTOR_MODE): Ditto.
2058         (VSX_SCALAR_MODE): Ditto.
2059         (VSX_MODE): Ditto.
2060         (VSX_MOVE_MODE): Ditto.
2061         (VSX_REG_CLASS_P): Ditto.
2062         (HARD_REGNO_NREGS): Instead of calling a function, use an array
2063         lookup.
2064         (UNITS_PER_SIMD_WORD): Add VSX support.
2065         (MODES_TIEABLE_P): Ditto.
2066         (STARTING_FRAME_OFFSET): Ditto.
2067         (STACK_DYNAMIC_OFFSET): Ditto.
2068         (EPILOGUE_USES): Ditto.
2069         (REGNO_REG_CLASS): Move to array lookup.
2070         (CLASS_MAX_NREGS): Ditto.
2071         (rs6000_vector_reg_class): Add declaration.
2072         (ADDITIONAL_REGISTER_NAMES): Add VSX names for the registers that
2073         overlap with the floating point and Altivec registers.
2074
2075         * config/rs6000/e500.h (CHECK_E500_OPTIONS): Disallow -mvsx.
2076
2077         * config/rs6000/driver-rs6000.c (asm_names): New static array to
2078         give the appropriate asm switches if -mcpu=native.
2079         (host_detect_local_cpu): Add support for "asm".
2080         (host_detect_local_cpu): Follow GNU code guidelines for name.
2081
2082         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Move
2083         -mbit-word to a variable instead of being a target mask.
2084
2085         * config/rs6000/sync.md (lwsync): If the assembler supports it,
2086         emit the lwsync instruction instead of emitting the instruction as
2087         an integer constant.
2088
2089         * config/rs6000/spe.md (spe_fixuns_truncdfsi2): Rename from
2090         fixuns_trundfsi2, move expander into rs6000.md.
2091
2092         * config/rs6000/rs6000.md (cpu): Add power7.
2093         (sel, *ptrsize): New mode attributes for 32/64-bit isel.
2094         (logical predicate patterns): Change the single instruction
2095         primitives that set CR0 to be fast_compare instead of compare.
2096         (norsi*): Ditto.
2097         (popcntwsi2): Add support for ISA 2.06 popcount instructions.
2098         (popcntddi2): Ditto.
2099         (popcount<mode>): Ditto.
2100         (floating multiply/add insns): Name the floating point
2101         multiply/add insns.
2102         (isel_signed_<mode>): Add support for -misel on 64-bit systems.
2103         (isel_unsigned_<mode>): Ditto.
2104         (fixuns_trundfsi2): Move expander here from spe.md.
2105         (smindi3): Define if we have -misel on 64-bit systems.
2106         (smaxdi3): Ditto.
2107         (umindi3): Ditto.
2108         (umaxdi3): Ditto.
2109
2110 2009-06-23  Anatoly Sokolov  <aesok@post.ru>
2111
2112         * config.gcc (avr-*-rtems*, avr-*-*): Set extra_gcc_objs and
2113         extra_objs.
2114         * config/avr/avr.c (avr_current_device): New variable.
2115         (avr_arch_types, avr_mcu_types): Move to avr-deveces.c.
2116         (avr_arch, mcu_type_s): Move to avr.h.
2117         * config/avr/avr.h (base_arch_s). Add reserved2, arch_name and
2118         default_data_section_start fields.
2119         (avr_arch): Moved from avr.c.
2120         (mcu_type_s): Moved from avr.c. Add short_sp, data_section_start and
2121         library_name fields.
2122         (avr_current_device, avr_mcu_types, avr_arch_types,
2123         avr_device_to_arch, avr_device_to_data_start,
2124         avr_device_to_startfiles, avr_device_to_devicelib): Declare.
2125         (EXTRA_SPEC_FUNCTIONS): Define.
2126         (LINK_SPEC): Remove device name to '-m ...' and '-Tdata ...' linker
2127         options mapping. Use device_to_arch and device_to_data_start insted.
2128         (STARTFILE_SPEC): Use device_to_startfile instead of crt_binutils.
2129         (CRT_BINUTILS_SPECS, EXTRA_SPECS): Remove.
2130         * config/avr/t-avr (driver-avr.o, avr-devices.o): New rules.
2131         * config/avr/driver-avr.c: New file.
2132         * config/avr/avr-devices.c: New file.
2133
2134 2009-06-23  Jakub Jelinek  <jakub@redhat.com>
2135
2136         * var-tracking.c (unshare_variable): Force initialized to
2137         be VAR_INIT_STATUS_INITIALIZED unless flag_var_tracking_uninit.
2138         (set_variable_part): Likewise.
2139         (struct variable_union_info): Remove pos_src field.
2140         (vui_vec, vui_allocated): New variables.
2141         (variable_union): Pass VAR_INIT_STATUS_UNKNOWN to unshare_variable
2142         unconditionally.  Avoid XCVECNEW/free for every sorting, for dst_l
2143         == 1 use a simpler sorting algorithm.  Compute pos field right
2144         away, don't fill in pos_src.  For dst_l == 2 avoid qsort.
2145         Avoid quadratic comparison if !flag_var_tracking_uninit.
2146         (variable_canonicalize): Pass VAR_INIT_STATUS_UNKNOWN to
2147         unshare_variable unconditionally.   
2148         (dataflow_set_different_2): Removed.
2149         (dataflow_set_different): Don't traverse second hash table.
2150         (compute_bb_dataflow): Pass VAR_INIT_STATUS_UNINITIALIZED
2151         unconditionally to var_reg_set or var_mem_set.
2152         (emit_notes_in_bb): Likewise.
2153         (delete_variable_part): Pass VAR_INIT_STATUS_UNKNOWN to
2154         unshare_variable.
2155         (emit_note_insn_var_location): Don't set initialized to
2156         VAR_INIT_STATUS_INITIALIZED early.
2157         (vt_finalize): Free vui_vec if needed, clear vui_vec and
2158         vui_allocated.
2159         * rtl.c (rtx_equal_p): Don't implement on top of rtx_equal_p_cb.
2160
2161         * tree-object-size.c (addr_object_size): Instead of checking
2162         for non-NULL TREE_CHAIN of the FIELD_DECL check that there
2163         are no FIELD_DECLs following it.
2164
2165 2009-06-23  Andreas Krebbel  <krebbel1@de.ibm.com>
2166
2167         * tree-ssa-math-opts.c (find_bswap): Increase the search depth in
2168         order to match bswaps with signed source operands.
2169
2170 2009-06-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2171
2172         * sdbout.c (sdbout_one_type): Fix braces in switch.
2173
2174 2009-06-23  Richard Guenther  <rguenther@suse.de>
2175
2176         * tree-ssa-structalias.c (struct variable_info): Add is_global_var
2177         member.
2178         (var_anything, anything_tree, var_nothing, nothing_tree, var_readonly,
2179         readonly_tree, var_escaped, escaped_tree, var_nonlocal, nonlocal_tree,
2180         var_callused, callused_tree, var_storedanything, storedanything_tree,
2181         var_integer, integer_tree): Remove global variables.
2182         (new_var_info): Do not pass new id, append the new var to the
2183         global variable vector.
2184         (do_ds_constraint): Use is_global_var member of the variable-info.
2185         (new_scalar_tmp_constraint_exp): Adjust.
2186         (create_function_info_for): Likewise.
2187         (create_variable_info_for): Likewise.
2188         (find_what_var_points_to): Remove dead code.
2189         (init_base_vars): Simplify.
2190         (compute_points_to_sets): Adjust.
2191
2192 2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>
2193
2194         * combine.c (try_combine): Dump information about the insns we're
2195         combining.
2196
2197 2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>
2198
2199         * combine.c (combine_simplify_rtx): Remove TRULY_NOOP_TRUNCATION
2200         check when calling force_to_mode on TRUNCATE's operand.
2201
2202 2009-06-22  Ian Lance Taylor  <iant@google.com>
2203
2204         * config/rs6000/rs6000.opt: Move msched-epilog before msched-prolog.
2205
2206 2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
2207
2208         * config/arm/arm.md (prologue_use): Set length of fake insn to 0.
2209
2210 2009-06-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2211
2212         * doc/invoke.texi (Link Options): -nodefaultlibs and -nostdlib
2213         override library linkage flags such as -static-libgcc or
2214         -shared-libgcc.
2215
2216 2009-06-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
2217
2218         * config/m68k/m68k-devices.def: Add line for MCF5221x.
2219
2220 2009-06-22  Ian Lance Taylor  <iant@google.com>
2221
2222         * config/linux.opt: Put mglibc ahead of muclibc.
2223
2224         * c-decl.c (diagnose_mismatched_decls): Add -Wc++-compat warning
2225         for duplicate decls.
2226
2227 2009-06-22  Matthias Klose  <doko@ubuntu.com>
2228
2229         * Makefile.in (install-plugin): Remove extra `/' after $(DESTDIR).
2230
2231 2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
2232
2233         PR objc/28050
2234         * c-parser.c (c_parser_objc_message_args): Return error_mark_node
2235         instead of NULL if a parser error occurs.
2236
2237 2009-06-22  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2238
2239         * dwarf2out.c (dwarf2_debug_hooks): Initialize
2240         non-DWARF2_DEBUGGING_INFO version.
2241
2242 2009-06-22  Kai Tietz  <kai.tietz@onevision.com>
2243
2244         * config.gcc (i[34567]86-*-mingw*, x86_64-*-mingw*): Add
2245         i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file.
2246
2247         * config/i386/mingw32.h (LIBGCC2_HAS_TF_MODE): Define.
2248         (LIBGCC2_TF_CEXT): Define.
2249         (TF_SIZE): Define.
2250
2251 2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2252
2253         PR target/40463
2254         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Fix definition.
2255
2256 2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2257
2258         * config/arm/arm.c (arm_override_options): Disable
2259         -mcaller-super-interworking and -mcallee-super-interworking.
2260         * doc/invoke.texi (ARM Options): Document this.
2261
2262 2009-06-22  Nathan Sidwell  <nathan@codesourcery.com>
2263
2264         * config/arm/arm.c (arm_print_operand): Deal with HIGH.
2265         * config/arm/constraints.md (j): New constraint for movw operands.
2266         (N): Remove thumb2 meaning.
2267         * config/arm/arm.md (*arm_movw): Delete.
2268         (*arm_movsi_insn): Use j constraint for movw instead of N constraint.
2269         * config/arm/vfp.md (*arm_movsi_vfp, *thumb2_movsi_vfp): Likewise.
2270         * config/arm/thumb2.md (*thumb2_movsi_insn): Likewise.
2271
2272 2009-06-22  Martin Jambor  <mjambor@suse.cz>
2273
2274         PR tree-optimization/40492
2275         * tree-sra.c (sra_modify_assign): Pass zero offsets to
2276         build_ref_for_offset.
2277
2278 2009-06-22  Shujing Zhao  <pearly.zhao@oracle.com>
2279
2280         * alias.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P, CALL_P, NOTE_P and
2281         JUMP_TABLE_DATA_P predicates where applicable.
2282         * auto-inc-dec.c: Ditto.
2283         * builtins.c: Ditto.
2284         * caller-save.c: Ditto.
2285         * calls.c: Ditto.
2286         * cfgcleanup.c: Ditto.
2287         * cfglayout.c: Ditto.
2288         * cfgrtl.c: Ditto.
2289         * combine.c: Ditto.
2290         * combine-stack-adj.c: Ditto.
2291         * cse.c: Ditto.
2292         * cselib.c: Ditto.
2293         * dbxout.c: Ditto.
2294         * df-scan.c: Ditto.
2295         * dse.c: Ditto.
2296         * dwarf2asm.c: Ditto.
2297         * dwarf2out.c: Ditto.
2298         * emit-rtl.c: Ditto.
2299         * except.c: Ditto.
2300         * explow.c: Ditto.
2301         * expmed.c: Ditto.
2302         * expr.c: Ditto.
2303         * final.c: Ditto.
2304         * function.c: Ditto.
2305         * fwprop.c: Ditto.
2306         * gcse.c: Ditto.
2307         * genpreds.c: Ditto.
2308         * genrecog.c: Ditto.
2309         * ifcvt.c: Ditto.
2310         * ira-costs.c: Ditto.
2311         * ira-lives.c: Ditto.
2312         * jump.c: Ditto.
2313         * loop-iv.c: Ditto.
2314         * lower-subreg.c: Ditto.
2315         * modulo-sched.c: Ditto.
2316         * optabs.c: Ditto.
2317         * postreload.c: Ditto.
2318         * print-rtl.c: Ditto.
2319         * recog.c: Ditto.
2320         * reginfo.c: Ditto.
2321         * regmove.c: Ditto.
2322         * reload1.c: Ditto.
2323         * reload.c: Ditto.
2324         * reorg.c: Ditto.
2325         * rtlanal.c: Ditto.
2326         * rtl.c: Ditto.
2327         * sched-vis.c: Ditto.
2328         * sdbout.c: Ditto.
2329         * sel-sched-ir.c: Ditto.
2330         * simplify-rtx.c: Ditto.
2331         * targhooks.c: Ditto.
2332         * var-tracking.c: Ditto.
2333         * vmsdbgout.c: Ditto.
2334
2335 2009-06-22  Matthias Klose  <doko@ubuntu.com>
2336
2337         * Makefile.in (install-plugin): Always use DESTDIR.
2338
2339 2009-06-22  Olivier Hainque  <hainque@adacore.com>
2340         
2341         * config/pa/pa.c (output_call): Don't optimize post call jumps
2342         into return address adjustments if the call may throw.
2343
2344 2009-06-21  Richard Earnshaw  <rearnsha@arm.com>
2345
2346         * arm.c (thumb1_output_casesi): New function.
2347         * arm.h (CASE_VECTOR_PC_RELATIVE): Thumb-1 code is also relative if
2348         optimizing for size or PIC.
2349         (CASE_VECTOR_SHORTEN_MODE): Handle thumb-1.
2350         * arm.md (UNSPEC_THUMB1_CASESI): New constant.
2351         (casesi): Handle Thumb-1 when optimizing for size or PIC.
2352         (thumb1_casesi_internal_pic): New expand rule.
2353         (thumb1_casesi_dispatch): New pattern.
2354         * aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use shortened vectors for
2355         thumb-1 mode.
2356         * coff.h (JUMP_TABLES_IN_TEXT_SECTION): Thumb-1 jump tables are now
2357         in the text seciton when PIC or optimizing for size.
2358         * elf.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
2359         * lib1funcs.asm ([__ARM_EABI__]): Add an attribute describing stack
2360         preservation properties of code.
2361         (__gnu_thumb1_case_sqi, __gnu_thumb1_case_uqi): New functions.
2362         (__gnu_thumb1_case_shi, __gnu_thumb1_case_uhi): New functions.
2363         (__gnu_thumb1_case_si): New function.
2364         * t-arm (LIB1ASMSRC): Define here.
2365         (LIB1ASMFUNCS): Add some common functions.
2366         * t-arm-elf (LIB1ASMSRC): Delete.
2367         (LIB1ASMFUNCS): Append to existing set.
2368         * t-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
2369         * t-strongarm-elf (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
2370         * t-symbian (LIB1ASMFUNCS): Likewise.
2371         * t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
2372         * t-wince-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
2373
2374 2009-06-21  Richard Guenther  <rguenther@suse.de>
2375
2376         PR tree-optimization/38729
2377         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Restrict
2378         to loops with a single exit if -fno-expensive-optimizations.
2379
2380 2009-06-21  Jakub Jelinek  <jakub@redhat.com>
2381
2382         * var-tracking.c (struct shared_hash_def, shared_hash): New types.
2383         (dataflow_set): Change vars type from htab_t to shared_hash.
2384         (shared_hash_pool, empty_shared_hash): New variables.
2385         (vars_clear): Removed.
2386         (shared_hash_shared, shared_hash_htab, shared_hash_copy,
2387         shared_hash_find_slot_unshare, shared_hash_find_slot,
2388         shared_hash_find_slot_noinsert, shared_hash_find): New
2389         static inlines.
2390         (shared_hash_unshare, shared_hash_destroy): New functions.
2391         (unshare_variable): Unshare set->vars if shared, use
2392         shared_hash_htab.
2393         (vars_copy): Use htab_traverse_noresize instead of htab_traverse.
2394         (get_init_value, find_src_set_src, dump_dataflow_set,
2395         clobber_variable_part, emit_notes_for_differences): Use
2396         shared_hash_htab.
2397         (dataflow_set_init): Remove second argument, set vars to
2398         empty_shared_hash instead of creating a new htab.
2399         (dataflow_set_clear): Call shared_hash_destroy and set vars
2400         to empty_shared_hash instead of calling vars_clear.
2401         (dataflow_set_copy): Don't call vars_copy, instead just share
2402         the src htab with dst.
2403         (variable_union): Use shared_hash_*, use initially NO_INSERT
2404         lookup if set->vars is shared.  Don't keep slot cleared before
2405         calling unshare_variable.  Unshare set->vars if needed.
2406         Even ->refcount == 1 vars must be unshared if set->vars is shared
2407         and var needs to be modified.
2408         (variable_canonicalize): New function.
2409         (dataflow_set_union): If dst->vars is empty, just share src->vars
2410         with dst->vars and traverse with variable_canonicalize to canonicalize
2411         and unshare what is needed.
2412         (dataflow_set_different): If old_set and new_set use the same shared
2413         htab, they aren't different.  If number of htab elements is different,
2414         htabs are different.  Use shared_hash_*.
2415         (dataflow_set_destroy): Call shared_hash_destroy instead of
2416         htab_delete.
2417         (compute_bb_dataflow, emit_notes_in_bb, vt_emit_notes): Don't pass
2418         second argument to dataflow_set_init.
2419         (vt_initialize): Likewise.  Initialize shared_hash_pool and
2420         empty_shared_hash, move bb in/out initialization afterwards.
2421         Use variable_htab_free instead of NULL as changed_variables del hook.
2422         (variable_was_changed): Change type of second argument to pointer to
2423         dataflow_set.  When inserting var into changed_variables, bump
2424         refcount.  Unshare set->vars if set is shared htab and slot needs to
2425         be cleared.
2426         (set_variable_part): Use shared_hash_*, use initially NO_INSERT
2427         lookup if set->vars is shared.  Unshare set->vars if needed.
2428         Even ->refcount == 1 vars must be unshared if set->vars is shared
2429         and var needs to be modified.  Adjust variable_was_changed caller.
2430         (delete_variable_part): Use shared_hash_*.  Even ->refcount == 1
2431         vars must be unshared if set->vars is shared and var needs to be
2432         modified.  Adjust variable_was_changed caller.
2433         (emit_note_insn_var_location): Don't pool_free var.
2434         (emit_notes_for_differences_1): Initialize empty_var->refcount to 0
2435         instead of 1.
2436         (vt_finalize): Call htab_delete on empty_shared_hash->htab and
2437         free_alloc_pool on shared_hash_pool.
2438
2439 2009-06-20  Anthony Green  <green@moxielogic.com>
2440
2441         * config/moxie/sfp-machine.h (__gcc_CMPtype, CMPtype): Define.
2442         * config/moxie/moxie.h (LOAD_EXTEND_OP): Define.
2443
2444 2009-06-20  Richard Guenther  <rguenther@suse.de>
2445
2446         * tree-ssa-structalias.c (find_func_aliases): For memset use
2447         a constraint from NULL if we memset to zero.
2448         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Add builtins
2449         we explicitly handle that do not read from memory.
2450         (call_may_clobber_ref_p_1): Properly handle builtins that may
2451         set errno.
2452
2453 2009-06-20  Richard Guenther  <rguenther@suse.de>
2454
2455         PR tree-optimization/40495
2456         * tree-ssa-structalias.c (get_constraint_exp_for_temp): Remove.
2457         (new_scalar_tmp_constraint_exp): New function.
2458         (process_constraint): Do not create temporary decls.
2459         (process_all_all_constraints): Likewise.
2460         (handle_const_call): Likewise.
2461         (create_function_info_for): Do not set decl.
2462
2463 2009-06-19  Ian Lance Taylor  <iant@google.com>
2464
2465         * config/rs6000/rs6000.c (rs6000_explicit_options): Make static.
2466         (rs6000_attribute_table): Make static; move before use.
2467
2468 2009-06-19  Eric Botcazou  <ebotcazou@adacore.com>
2469
2470         * tree.c (substitute_in_expr) <COMPONENT_REF>: Tweak and reformat.
2471         <tcc_vl_exp>: Call process_call_operands on the new CALL_EXPR.
2472         Propagate the TREE_READONLY flag without overwriting it.
2473         (substitute_placeholder_in_expr) <tcc_vl_exp>: Likewise.
2474         Propagate the TREE_READONLY flag onto the result.
2475         (process_call_operands): Move around.  Use correct constant value.
2476
2477 2009-06-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2478
2479         PR target/40482
2480         * config/arm/arm.c (thumb_shiftable_const): Truncate val to 32 bits.
2481         * config/arm/arm.md: Likewise.
2482
2483 2009-06-19  Ian Lance Taylor  <iant@google.com>
2484
2485         * tree-cfg.c (gimple_redirect_edge_and_branch): Change ERROR_MARK
2486         to GIMPLE_ERROR_MARK.
2487
2488         * c-typeck.c (build_conditional_expr): Add op1_original_type and
2489         op2_original_type parameters.  Warn about using different enum types.
2490         * c-parser.c (c_parser_conditional_expression): Pass original
2491         types to build_conditional_expr.
2492         * c-tree.h (build_conditional_expr): Update declaration.
2493
2494 2009-06-19  Ian Lance Taylor  <iant@google.com>
2495
2496         * config/i386/i386.c (ix86_function_specific_save): Test that
2497         fields match values, rather than testing the values are in a
2498         certain range.
2499
2500 2009-06-19  Richard Guenther  <rguenther@suse.de>
2501
2502         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Handle
2503         ADDR_EXPR pointers.
2504         (ptr_derefs_may_alias_p): Likewise.
2505         (ptr_deref_may_alias_ref_p_1): New function.
2506         (ptr_deref_may_alias_ref_p): Likewise.
2507         (ref_maybe_used_by_call_p_1): Handle builtins that are not
2508         covered by looking at the ESCAPED solution.
2509         (call_may_clobber_ref_p_1): Likewise.
2510         * tree-ssa-structalias.c (get_constraint_for_ptr_offset):
2511         Handle NULL_TREE offset.  Do not produce redundant constraints.
2512         (process_all_all_constraints): New helper function.
2513         (do_structure_copy): Use it.
2514         (handle_lhs_call): Likewise.
2515         (find_func_aliases): Handle some builtins with pointer arguments
2516         and/or return values explicitly.
2517
2518 2009-06-19  Ian Lance Taylor  <iant@google.com>
2519
2520         * varasm.c (const_rtx_hash_1): Remove const qualifier from shift.
2521
2522 2009-06-19  Ian Lance Taylor  <iant@google.com>
2523
2524         * rtl.h (SUBREG_PROMOTED_UNSIGNED_P): Add cast to int.
2525
2526 2009-06-19  Ian Lance Taylor  <iant@google.com>
2527
2528         * ggc-page.c (ggc_pch_write_object): Initialize emptyBytes.
2529         * sdbout.c (sdb_debug_hooks): Initialize non-SDB_DEBUGGING_INFO
2530         version.
2531
2532         * c-decl.c (finish_decl): If -Wc++-compat, warn about
2533         uninitialized const.
2534
2535 2009-06-19  Ian Lance Taylor  <iant@google.com>
2536
2537         * dse.c (struct store_info): Rename bitmap field to bmap.  Change
2538         all uses.
2539
2540         * c-decl.c (in_struct, struct_types): Remove.
2541         (struct c_binding): Add in_struct field.
2542         (c_binding_ptr): Define type, along with VEC.
2543         (struct c_struct_parse_info): Define.
2544         (struct_parse_info): New static variable.
2545         (bind): Initialize in_struct field.
2546         (start_struct): Remove enclosing_in_struct and
2547         enclosing_struct_types parameters.  Add
2548         enclosing_struct_parse_info parameter.  Change all callers.  Set
2549         struct_parse_info rather than in_struct and struct_types.
2550         (grokfield): If -Wc++-compat and there is a symbol binding for the
2551         field name, set the in_struct flag and push it on the
2552         struct_parse_info->fields vector.
2553         (warn_cxx_compat_finish_struct): New static function.
2554         (finish_struct): Remove enclosing_in_struct and
2555         enclosing_struct_types parameters.  Add
2556         enclosing_struct_parse_info parameter.  Change all callers.  Don't
2557         set C_TYPE_DEFINED_IN_STRUCT here.  Call
2558         warn_cxx_compat_finish_struct.  Free struct_parse_info and set to
2559         parameter.  Only push on struct_types if warn_cxx_compat.
2560         (finish_enum): Only push on struct_types if warn_cxx_compat.
2561         (declspecs_add_type): Add loc parameter.  Change all callers.
2562         Change all error calls to error_at.  Pass loc, not input_location,
2563         to pedwarn calls.  Warn if -Wc++-compat and a typedef name is
2564         defined in a struct.  If -Wc++-compat and parsing a struct, record
2565         that a typedef name was used.
2566         * c-parser.c (c_parser_declspecs): Get location to pass to
2567         declspecs_add_type.
2568         (c_parser_struct_or_union_specifier): Update calls to start_struct
2569         and finish_struct.
2570         * c-tree.h (struct c_struct_parse_info): Declare.
2571         (finish_struct, start_struct): Update declarations.
2572         (declspecs_add_type): Update declaration.
2573
2574 2009-06-19  Ian Lance Taylor  <iant@google.com>
2575
2576         * c-decl.c (grokdeclarator): If -Wc++-compat, warn about a global
2577         variable with an anonymous type.
2578
2579 2009-06-19  Uros Bizjak  <ubizjak@gmail.com>
2580
2581         * see.c: Remove for real.
2582
2583 2009-06-19  Uros Bizjak  <ubizjak@gmail.com>
2584
2585         * optabs.h (enum optab_index): Add new OTI_significand.
2586         (significand_optab): Define corresponding macro.
2587         * optabs.c (init_optabs): Initialize significand_optab.
2588         * genopinit.c (optabs): Implement significand_optab using
2589         significand?f2 patterns.
2590         * builtins.c (expand_builtin_mathfn): Handle
2591         BUILT_IN_SIGNIFICAND{,F,L}.
2592         (expand_builtin): Expand BUILT_IN_SIGNIFICAND{,F,L} using
2593         expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
2594
2595         * config/i386/i386.md (significandxf2, significand<mode>2): New
2596         expanders to implement significandf, significand and significandl
2597         built-ins as inline x87 intrinsics.
2598
2599 2009-06-18  Anatoly Sokolov  <aesok@post.ru>
2600
2601         * config/avr/avr.c (avr_override_options): Remove setting value of
2602         PARAM_INLINE_CALL_COST.
2603
2604 2009-06-18  Richard Henderson  <rth@redhat.com>
2605
2606         PR 40488
2607         * tree-pass.h (TDF_ASMNAME): New.
2608         * tree-dump.c (dump_options): Add asmname.
2609         * doc/invoke.texi: Document it.
2610
2611         * tree-pretty-print.c (maybe_dump_asm_name): Merge into...
2612         (dump_decl_name): ...here.
2613         (dump_function_name): New flags arg; mind TDF_ASMNAME.
2614         (dump_generic_node): Update dump_function_name calls.
2615         (print_call_name): New flags arg; update all dump calls.
2616         * diagnostic.h (print_call_name): Update.
2617         * gimple-pretty-print.c (dump_gimple_call): Update.
2618
2619 2009-06-18  H.J. Lu  <hongjiu.lu@intel.com>
2620
2621         PR target/40470
2622         * config/i386/i386.h (CLASS_LIKELY_SPILLED_P): Add SSE_FIRST_REG.
2623
2624 2009-06-18  Diego Novillo  <dnovillo@google.com>
2625
2626         * doc/plugins.texi: Document plugin_is_GPL_compatible.
2627         * plugin.c (str_license): Declare.
2628         (try_init_one_plugin): Assert that the symbol
2629         'plugin_is_GPL_compatible' exists.
2630
2631 2009-06-18  Sergei Dyshel  <sergeid@il.ibm.com>
2632
2633         * see.c: Remove.
2634         * Makefile.in (OBJS-common): Remove see.o.
2635         (see.o): Remove.
2636         * common.opt (fsee): Mark as preserved for backward compatibility.
2637         * opts.c (common_handle_option): Add OPT_fsee to the backward 
2638         compatibility section.
2639         * passes.c (init_optimization_passes, pass_see): Remove pass.
2640         * timevar.def (TV_SEE): Remove.
2641         * tree-pass.h (pass_see): Remove declaration.
2642         * doc/invoke.texi (-fsee): Remove documentation.
2643         
2644 2009-06-18  Martin Jambor  <mjambor@suse.cz>
2645
2646         * tree-sra.c: Include statistics.h
2647         (sra_stats): New variable.
2648         (sra_initialize): Clear sra_stats.
2649         (create_access_replacement): Increment sra_stats.replacements.
2650         (get_access_replacement): Do not return twice.
2651         (analyze_all_variable_accesses): Increment statistics counter by the
2652         number of scalarized aggregates.
2653         (generate_subtree_copies): Increment sra_stats.subtree_copies.
2654         (sra_modify_expr): Increment sra_stats.exprs.
2655         (load_assign_lhs_subreplacements): Increment sra_stats.subreplacements.
2656         (sra_modify_assign): Increment sra_stats.exprs,
2657         sra_stats.separate_lhs_rhs_handling and sra_stats.deleted.
2658         (perform_intra_sra): Update statistics counters.
2659         * Makefile.in (tree-sra.o): Add statistics.h to dependencies.
2660
2661 2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>
2662
2663         * config/arm/arm.c (TARGET_SCALAR_MODE_SUPPORTED_P): Redefine.
2664         (arm_scalar_mode_supported_p): New function.
2665
2666 2009-06-18  Paul Brook  <paul@codesourcery.com>
2667             Sandra Loosemore  <sandra@codesourcery.com>
2668
2669         * config/arm/sfp-machine.h (_FP_NANFRAC_H, _FP_NANSIGN_H): Define.
2670         (__extendhfsf2, __truncsfhf2): Define.
2671         * config/arm/fp16.c: New file.
2672         * config/arm/t-bpabi (LIB2FUNCS_STATIC_EXTRA): Add fp16.c.
2673         * config/arm/t-symbian (LIB2FUNCS_STATIC_EXTRA):  Add fp16.c.
2674
2675 2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>
2676
2677         * doc/extend.texi (Half-Precision): New section.
2678         * doc/invoke.texi (Option Summary): List -mfp16-format.
2679         (ARM Options): List neon-fp16 as -mfpu value.  Document -mfp16-format.
2680         * config/arm/arm.opt (mfp16-format=): New.
2681         * config/arm/arm.c: Include intl.h.
2682         (TARGET_INVALID_PARAMETER_TYPE): Redefine.
2683         (TARGET_INVALID_RETURN_TYPE): Redefine.
2684         (TARGET_PROMOTED_TYPE): Redefine.
2685         (TARGET_CONVERT_TO_TYPE): Redefine.
2686         (arm_fp16_format): Define.
2687         (all_fpus): Add entry for neon-fp16.
2688         (fp_model_for_fpu): Likewise.
2689         (struct fp16_format): Declare.
2690         (all_fp16_formats): Define.
2691         (arm_init_libfuncs): Add entries for HFmode conversions and arithmetic
2692         functions.
2693         (arm_override_options): Set arm_fp16_format. Call sorry for fp16
2694         and no ldrh.
2695         (arm_legitimate_index_p): Treat HFmode like HImode.
2696         (thumb1_legitimate_address_p): Make it recognize HFmode constants.
2697         (coproc_secondary_reload_class): Special-case HFmode.
2698         (arm_print_operand): Add 'z' specifier for vld1.16/vst1.16.
2699         (arm_hard_regno_mode_ok): Allow HFmode values in VFP registers.
2700         (arm_init_fp16_builtins): New.
2701         (arm_init_builtins): Call it.
2702         (arm_invalid_parameter_type): New.
2703         (arm_invalid_return_type): New.
2704         (arm_promoted_type): New.
2705         (arm_convert_to_type).
2706         (arm_file_start): Deal with neon-fp16 as fpu_name.  Emit tag for fp16
2707         format.
2708         (arm_emit_fp16_const): New function.
2709         (arm_mangle_type): Mangle __fp16 as "Dh".
2710         * config/arm/arm.h (TARGET_VFPD32): Make it know about
2711         FPUTYPE_NEON_FP16.
2712         (TARGET_NEON_FP16): New.
2713         (TARGET_NEON): Make it know about FPUTYPE_NEON_FP16.
2714         (enum fputype): Add FPUTYPE_NEON_FP16.
2715         (enum arm_fp16_format_type): Declare.
2716         (arm_fp16_format): Declare.
2717         (LARGEST_EXPONENT_IS_NORMAL): Define.
2718         * config/arm/arm-protos.h (arm_emit_fp16_const): Declare.
2719         * config/arm/arm-modes.def (HFmode): Define.
2720         * config/arm/vfp.md: (*movhf_vfp): New.
2721         (extendhfsf2): New.
2722         (truncsfhf2): New.
2723         * config/arm/arm.md: (fpu): Add neon_fp16.
2724         (floatsihf2, floatdihf2): New.
2725         (fix_trunchfsi2, fix_trunchfdi2): New.
2726         (truncdfhf2): New.
2727         (extendhfdf2): New.
2728         (movhf): New.
2729         (*arm32_movhf): New.
2730         (*thumb1_movhf): New.
2731         (consttable_2): Add check for HFmode constants.
2732         (consttable_4): Handle HFmode constants.
2733
2734 2009-06-18  Uros Bizjak  <ubizjak@gmail.com>
2735
2736         * convert.c (convert_to_integer): Convert (int)logb() into ilogb().
2737
2738 2009-06-17  Olivier Hainque  <hainque@adacore.com>
2739
2740         * collect2.c (main): Use CONST_CAST2 to perform char ** to
2741         const char ** conversion in AIX specific section.
2742         
2743 2009-06-17  H.J. Lu  <hongjiu.lu@intel.com>
2744
2745         * config/i386/i386.c (ix86_special_builtin_type): Remove
2746         UINT64_FTYPE_PINT.  Add UINT64_FTYPE_PUNSIGNED.
2747         (bdesc_special_args): Updated.
2748         (ix86_init_mmx_sse_builtins): Likewise.
2749         (ix86_expand_special_args_builtin): Likewise.
2750
2751 2009-06-17  Richard Henderson  <rth@redhat.com>
2752
2753         * tree-pretty-print.c (maybe_dump_asm_name): New.
2754         (dump_decl_name): Use it.
2755         (PRINT_FUNCTION_NAME): Merge into...
2756         (dump_function_name): ... here.  Use maybe_dump_asm_name.
2757
2758 2009-06-17  Cary Coutant  <ccoutant@google.com>
2759
2760         * dbxout.c (dbxout_source_line): Add is_stmt parameter.
2761         Change caller.
2762         * debug.c (struct gcc_debug_hooks): Change placeholder for
2763         source_line hook.
2764         (debug_nothing_int_charstar_int): Replaced by...
2765         (debug_nothing_int_charstar_int_bool): ...this.
2766         * debug.h (struct gcc_debug_hooks): Add is_stmt parameter to
2767         source_line prototype.
2768         (debug_nothing_int_charstar_int): Replaced by...
2769         (debug_nothing_int_charstar_int_bool): ...this.
2770         * defaults.h (SUPPORTS_DISCRIMINATOR): New constant.
2771         * dwarf2out.c (dwarf2out_source_line): Add is_stmt parameter.
2772         Output is_stmt operand when necessary.
2773         * final.c (final_scan_insn): Pass is_stmt to source_line debug hook.
2774         (notice_source_line): Add is_stmt parameter.
2775         * sdbout.c (sdbout_source_line): Add is_stmt parameter.
2776         * vmsdbgout.c (vmsdbgout_source_line): Add is_stmt parameter.
2777         Change callers.
2778         * xcoffout.c (xcoffout_source_line): Add is_stmt parameter.
2779         * xcoffout.h (xcoffout_source_line): Add is_stmt parameter.
2780
2781 2009-06-17  Ian Lance Taylor  <iant@google.com>
2782
2783         * expr.c (struct move_by_pieces_d): Rename from move_by_pieces.
2784         Change all uses.
2785         (struct store_by_pieces_d): Rename from store_by_pieces.  Change
2786         call uses.
2787
2788 2009-06-17  Adam Nemet  <anemet@caviumnetworks.com>
2789
2790         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS,
2791         STRIP_USELESS_TYPE_CONVERSION): Use tree_strip_nop_conversions,
2792         tree_strip_sign_nop_conversions and
2793         tree_ssa_strip_useless_type_conversions rather than stripping
2794         the operations here.
2795         (tree_strip_nop_conversions, tree_strip_sign_nop_conversions):
2796         Declare them.
2797         * gimple.h (tree_ssa_strip_useless_type_conversions): Declare it.
2798         * tree-ssa.c (tree_ssa_strip_useless_type_conversions): New function.
2799         * tree.c (tree_nop_conversion, tree_sign_nop_conversion,
2800         tree_strip_nop_conversions, tree_strip_sign_nop_conversions): New
2801         functions.
2802
2803 2009-06-17  Michael Eager  <eager@eagercon.com>
2804
2805         * config/rs6000/constraints.md (register_constraint "d"): New.
2806         * config/rs6000/dfp.md (movsd_store, extendsddd2, extendsdtd2,
2807         truncddsd2, *negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
2808         *movdd_hardfloat32, *movdd_hardfloat64_mfpgpr, *movdd_hardfloat64,
2809         *negtd2_fp, *abstd2_fpr, *nabstd2_fpr, *movtd_internal, extendddtd2,
2810         trunctddd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3,
2811         divtd3, *cmpdd_internal1, *cmptd_internal1, floatditd2, ftruncdd2,
2812         fixdddi2, ftrunctd2, fixtddi2): replace 'f' constraint with 'd'
2813         * config/rs6000/ppu_intrinsics.h (__mffs, __mtfsf, __mtfsfi, __fabs,
2814         __fnabs, __fmadd, __fmsub, __fnmadd, __fnmsub, __fsel, __frsqrte,
2815         __fsqrt, __fmul, __fmuls, __frsp, __fcfid, __fctid, __fctidz, __fctiw,
2816         __fctiwz): Same.
2817         * config/rs6000/rs6000.md (*extendsfdf2_fpr, *truncdfsf2_fpr,
2818         *fseldfsf4, *negdf2_fpr, *absdf2_fpr, *nabsdf2_fpr, *adddf3_fpr,
2819         *subdf3_fpr, *muldf3_fpr, *divdf3_fpr, recipdf3, fred, sqrtdf2,
2820         *fseldfdf4, *fselsfdf4, *floatsidf2_internal, *floatunssidf2_internal,
2821         *fix_truncdfsi2_internal, fix_truncdfsi2_internal_gfxopt,
2822         fix_truncdfsi2_mfpgpr, fctiwz, btruncdf2, ceildf2, floordf2, rounddf2,
2823         stfiwx, floatdidf2, fix_truncdfdi2, floatdisf2_internal1,
2824         *movdf_hardfloat32, *movdf_hardfloat64_mfpgpr, *movdf_hardfloat64,
2825         *movtf_internal, *extenddftf2_internal, trunctfdf2_internal1,
2826         trunctfdf2_internal2, trunctfsf2_fprs, fix_trunc_helper,
2827         *fix_trunctfsi2_internal, negtf2_internal, *movdi_internal32,
2828         *movdi_mfpgpr, *movdi_internal64, *movdf_update1, *movdf_update2,
2829         *cmpdf_internal1, *cmptf_internal1, *cmptf_internal2): Same.
2830         * doc/md.texi: Describe PowerPC 'd' constraint, update 'f' constraint.
2831
2832 2009-06-16  Ian Lance Taylor  <iant@google.com>
2833
2834         * profile.c (total_num_never_executed): Don't define.
2835         (compute_branch_probabilities): Don't count or print
2836         num_never_executed.
2837         (init_branch_prob): Don't set total_num_never_executed.
2838         (end_branch_prob): Don't print total_num_never_executed.
2839
2840 2009-06-17  David Daney  <ddaney@caviumnetworks.com>
2841
2842         * jump.c (cleanup_barriers): Handle case of no insns before a barrier.
2843
2844 2009-06-17  David Edelsohn  <edelsohn@gnu.org>
2845
2846         * config/rs6000/dfp.md (nabsdd2_fpr): Correct mode.
2847         (nabstd2_fpr): Same.
2848
2849 2009-06-17  Steve Ellcey  <sje@cup.hp.com>
2850
2851         * expr.c (expand_assignment): Change complex type check.
2852
2853 2009-06-17  Basile Starynkevitch  <basile@starynkevitch.net>
2854
2855         * doc/plugins.texi (Building GCC plugins): Added new section. 
2856
2857 2009-06-17  Ian Lance Taylor  <iant@google.com>
2858
2859         * c-pch.c (get_ident): Don't set size of templ array.
2860         (pch_init): Don't set size of partial_pch array.
2861
2862         * c-typeck.c (digest_init): If -Wc++-compat, warn about using a
2863         string constant to intialize an array whose size is the length of
2864         the string.
2865
2866 2009-06-17  Richard Guenther  <rguenther@suse.de>
2867
2868         PR tree-optimization/40389
2869         * tree-ssa-structalias.c (handle_rhs_call): Restrict NRV case
2870         to addressable types.
2871         * gimple.c (walk_stmt_load_store_addr_ops): Likewise.
2872
2873 2009-06-17  Richard Guenther  <rguenther@suse.de>
2874
2875         PR middle-end/40460
2876         * tree-chrec.h (build_polynomial_chrec): If we cannot determine
2877         if there is no evolution of left in the loop bail out.
2878         * tree-chrec.c (chrec_fold_multiply_poly_poly): CSE one
2879         chrec_fold_multiply.
2880
2881 2009-06-16  J"orn Rennecke  <joern.rennecke@arc.com>
2882             Janis Johnson  <janis187@us.ibm.com>
2883
2884         PR target/39254
2885         * config/rs6000/rs6000.c (rs6000_emit_move): Don't emit a USE
2886         for the symbol ref of a constant that is the source of a move
2887         - nor for any other not-obvious-label-ref constants.
2888
2889 2009-06-16  Olatunji Ruwase  <tjruwase@google.com>
2890
2891         * plugin.c (position_pass): Skip newly inserted pass during list
2892         traversal to avoid repeated insertion.
2893
2894 2009-06-16  Ian Lance Taylor  <iant@google.com>
2895
2896         * vec.h (VEC_stack_alloc): Define different version if
2897         GATHER_STATISTICS is defined, to accept and ignore MEM_STAT.
2898         (DEF_VEC_ALLOC_FUNC_P_STACK): Remove MEM_STAT_DECL.
2899         (DEF_VEC_ALLOC_FUNC_O_STACK): Likewise.
2900         (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
2901
2902 2009-06-16  H.J. Lu  <hongjiu.lu@intel.com>
2903
2904         * config.gcc (extra_headers): Add ia32intrin.h for x86.
2905
2906         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_BSRSI,
2907         IX86_BUILTIN_BSRDI.  IX86_BUILTIN_RDPMC, IX86_BUILTIN_RDTSC.
2908         IX86_BUILTIN_RDTSCP.  IX86_BUILTIN_ROLQI, IX86_BUILTIN_ROLHI,
2909         IX86_BUILTIN_RORQI and IX86_BUILTIN_RORHI.
2910         (ix86_special_builtin_type): Add UINT64_FTYPE_VOID,
2911         UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
2912         INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
2913         (bdesc_special_args): Add __builtin_ia32_rdtsc and
2914         __builtin_ia32_rdtscp.
2915         (bdesc_args): Add __builtin_ia32_bsrsi, __builtin_ia32_bsrdi,
2916         __builtin_ia32_rolqi, __builtin_ia32_rolhi, __builtin_ia32_rorqi
2917         and __builtin_ia32_rorhi.
2918         (ix86_init_mmx_sse_builtins): Handle UINT64_FTYPE_VOID,
2919         UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
2920         INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
2921         (ix86_expand_args_builtin): Likewise.
2922         (ix86_expand_special_args_builtin): Likewise.
2923
2924         * config/i386/i386.md (UNSPECV_RDTSCP): New.
2925         (UNSPECV_RDTSC): Likewise.
2926         (UNSPECV_RDPMC): Likewise.
2927         (*bsr): Renamed to ...
2928         (bsr): This
2929         (*bsr_rex64): Renamed to ...
2930         (bsr_rex64): This.
2931         (rdpmc): New.
2932         (*rdpmc): Likewise.
2933         (*rdpmc_rex64): Likewise.
2934         (rdtsc): Likewise.
2935         (*rdtsc): Likewise.
2936         (*rdtsc_rex64): Likewise.
2937         (rdtscp): Likewise.
2938         (*rdtscp): Likewise.
2939         (*rdtscp_rex64): Likewise.
2940
2941         * config/i386/ia32intrin.h: New.
2942
2943         * config/i386/x86intrin.h: Include <ia32intrin.h>.
2944
2945 2009-06-16  Ian Lance Taylor  <iant@google.com>
2946
2947         * ira-build.c (copy_info_to_removed_store_destinations):
2948         Initialize parent_a.
2949
2950 2009-06-16  Ian Lance Taylor  <iant@google.com>
2951
2952         * c-decl.c (grokdeclarator): Change size_varies to bool.
2953
2954 2009-06-16  Ian Lance Taylor  <iant@google.com>
2955
2956         * sel-sched.c: Make forward declarations of move_op_hooks and
2957         fur_hooks explicitly extern.
2958
2959 2009-06-16  Ian Lance Taylor  <iant@google.com>
2960
2961         * df-problems.c (df_byte_lr_alloc): Don't set problem_data to itself.
2962         * vec.c (vec_gc_o_reserve_1): Don't set alloc to itself.
2963
2964 2009-06-16  Ian Lance Taylor  <iant@google.com>
2965
2966         * resource.c (mark_referenced_resources): Change
2967         include_delayed_effects parameter to bool.  Change all callers.
2968         (mark_end_of_function_resources): Likewise.
2969         * reorg.c (insn_references_resource_p): Likewise.
2970         (insn_sets_resource_p): Likewise.
2971         * resource.h (mark_referenced_resources): Update declaration.
2972         (mark_end_of_function_resources): Update declaration.
2973
2974 2009-06-16  David Edelsohn  <edelsohn@gnu.org>
2975
2976         * config/rs6000/aix.h (LIBSTDCXX_STATIC): Remove -lstdc++.
2977
2978 2009-06-16  David Edelsohn  <edelsohn@gnu.org>
2979
2980         * doc/install.texi (*-*-aix): Update explanation of XLC bootstrap.
2981         GCC can bootstrap on AIX with GNU Binutils 2.20.
2982
2983 2009-06-16  Ian Lance Taylor  <iant@google.com>
2984
2985         * Makefile.in (tree-vect-stmts.o): Depend upon $(TOPLEV_H).
2986
2987 2009-06-16  Ian Lance Taylor  <iant@google.com>
2988
2989         * toplev.h (floor_log2): If GCC_VERSION >= 3004, declare as static
2990         inline, not extern inline.
2991         (exact_log2): Likewise.
2992         * toplev.c (floor_log2): Only define if GCC_VERSION < 3004. Don't
2993         test CLZ_HWI.
2994         (exact_log2): Likewise, but don't test CTZ_HWI.
2995
2996 2009-06-16  Ian Lance Taylor  <iant@google.com>
2997
2998         * bitmap.c (bitmap_clear): Don't declare as inline.
2999         * gimple.c (gimplify_assign): Likewise.
3000         * tree-ssa-sccvn.c (vn_nary_op_compute_hash): Likewise.
3001         * haifa-sched.c (insn_cost): Don't declare with HAIFA_INLINE.
3002         (sched_scan_info): Remove duplicate definition.
3003
3004 2009-06-16  Ian Lance Taylor  <iant@google.com>
3005
3006         * c-common.c (skip_evaluation): Don't define.
3007         (c_inhibit_evaluation_warnings): Define global variable.
3008         (overflow_warning): Check c_inhibit_evaluation_warnings rather
3009         than skip_evaluation.
3010         (convert_and_check, warn_for_div_by_zero): Likewise.
3011         * c-common.h (skip_evaluation): Don't declare.
3012         (c_inhibit_evaluation_warnings): Declare.
3013         * c-parser.c (c_parser_typeof_specifier): Set
3014         c_inhibit_evaluation_warnings rather than skip_evaluation.
3015         (c_parser_conditional_expression): Likewise.
3016         (c_parser_binary_expression): Likewise.
3017         (c_parser_sizeof_expression): Likewise.
3018         (c_parser_alignof_expression): Likewise.
3019         * c-typeck.c (build_indirect_ref): Check
3020         c_inhibit_evaluation_warnings rather than skip_evaluation.
3021         (build_conditional_expr, build_binary_op): Likewise.
3022
3023 2009-06-16  Richard Guenther  <rguenther@suse.de>
3024
3025         * tree-ssa-alias.c (is_escape_site): Remove.
3026         * tree-ssa-alias.h (enum escape_type): Remove.
3027         (is_escape_site): Likewise.
3028         * tree-ssa-structalias.c (find_func_aliases): Handle escapes
3029         via casts and asms without deferring to is_escape_site.
3030
3031 2009-06-16  Jakub Jelinek  <jakub@redhat.com>
3032
3033         PR middle-end/40446
3034         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: Don't
3035         use gen_lowpart if op0 has complex mode.
3036
3037 2009-06-16  Richard Guenther  <rguenther@suse.de>
3038
3039         * tree-ssa-structalias.c (do_ds_constraint): Stores in global
3040         variables add them to ESCAPED.
3041         (find_func_aliases): Do not make all indirectly stored values escaped.
3042
3043 2009-06-16  Rafael Avila de Espindola  <espindola@google.com>
3044
3045         * config/i386/winnt.c (i386_pe_encode_section_info): Update call to
3046         make_decl_one_only.
3047
3048 2009-06-16  Martin Jambor  <mjambor@suse.cz>
3049
3050         PR tree-optimization/40432
3051         * tree-sra.c (sra_modify_assign): When creating VIEW_CONVERT_EXPR,
3052         check whether we need to force gimple register operand.
3053
3054 2009-06-16  Martin Jambor  <mjambor@suse.cz>
3055
3056         PR tree-optimization/40413
3057         * tree-sra.c (load_assign_lhs_subreplacements): Pass offset to
3058         build_ref_for_offset.
3059         (propagate_subacesses_accross_link): Fix a typo in a comment.
3060
3061 2009-06-16  Ira Rosen  <irar@il.ibm.com>
3062
3063         * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
3064         with additional parameter.
3065         * tree-vectorizer.h (enum vect_def_type): Add new value
3066         vect_nested_cycle.
3067         (enum vect_relevant): Add comments.
3068         (vect_is_simple_reduction): Add new argument.
3069         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Add comments.
3070         Detect nested cycles.
3071         (vect_is_simple_reduction): Update documentation, add an argument to
3072         distinguish inner-loop reduction from nested cycle, detect nested
3073         cycles, fix printings and indentation, don't swap operands in case
3074         of nested cycle.
3075         (get_initial_def_for_reduction): Handle subtraction.
3076         (vect_create_epilog_for_reduction): Add new argument to specify
3077         reduction variable.
3078         (vect_finalize_reduction): Handle subtraction, fix comments.
3079         (vectorizable_reduction): Handle nested cycles. In case of nested
3080         cycle keep track of the reduction variable position. Call 
3081         vect_is_simple_reduction with additional parameter. Use original
3082         statement code in reduction epilogue for nested cycle. Call
3083         vect_create_epilog_for_reduction with additional parameter.
3084         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Assert
3085         inner-loop vectorization.
3086         (vect_recog_widen_sum_pattern): Likewise.
3087         * tree-vect-stmts.c (process_use): Distinguish between nested cycles
3088         and reductions.
3089         (vect_mark_stmts_to_be_vectorized): Likewise.
3090         (vect_get_vec_def_for_operand): Handle nested cycles.
3091
3092 2009-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3093
3094         * doc/invoke.texi (Debugging Options): Fix option index entries
3095         for -fdump-statistics, -frandom-seed add entries for
3096         -fdump-tree-original, -fdump-tree-optimized, -frandom-seed.
3097         (FRV Options): Fix entries for -mTLS, -mtls.
3098         (HPPA Options): Fix entries for -mgnu-ld, -mhp-ld.
3099         (i386 and x86-64 Options): Fix entry for -mno-red-zone.
3100         (M68hc1x Options): Fix @itemx for -mnominmax.
3101         (MCore Options): Fix entry for -mno-lsim.
3102         (MMIX Options): Fix entry for -mabi=mmixware.
3103         (PDP-11 Options): Fix entry for -mbcopy-builtin.
3104
3105 2009-06-16  Basile Starynkevitch  <basile@starynkevitch.net>
3106
3107         * doc/plugins.texi (Interacting with the GCC Garbage Collector):
3108         Mention the plugin mode of gengtype.
3109         * doc/gty.texi (Source Files Containing Type Information): Likewise.
3110         * gengtype.c: Updated copyright.
3111         (plugin_files, nb_plugin_files) Added new static variables.
3112         (measure_input_list) Care about plugin_files.
3113         (write_rtx_next): Added early return in plugin mode.
3114         (create_file): Updated copyright year in generated file. Added
3115         asserts.
3116         (oprintf): Added early return if NULL outf.
3117         (get_output_file_with_visibility): Care of plugin_files.
3118         (get_output_file_name): May return null.
3119         (write_local): Added early return.
3120         (put_mangled_filename): Ditto.
3121         (finish_root_table): Added check for base_files.
3122         (write_roots): Care about null when plugins.
3123         (main): Added plugin mode.
3124
3125 2009-06-15  Ian Lance Taylor  <iant@google.com>
3126
3127         * df-problems.c (df_simulate_one_insn_forwards): Fix braces in switch.
3128         * gcov.c (read_count_file): Add braces around variables declared
3129         before label.
3130
3131         * c.opt (Wjump-misses-init): New warning.
3132         * c-opts.c (c_common_handle_option): Set warn_jump_misses_init for
3133         -Wall and -Wc++-compat if not already set.
3134         (c_common_post_options): Clear warn_jump_misses_init if it was not
3135         set.
3136         * c-decl.c (struct c_binding): Change type field to a union with
3137         new label field.  Make it the first field in the struct.  Update
3138         references to type to use u.type instead.
3139         (struct c_spot_bindings): Define.
3140         (struct c_goto_bindings): Define.
3141         (c_goto_bindings_p): Define, along with VECs.
3142         (struct c_label_vars): Define.
3143         (struct c_scope): Add has_label_bindings field.
3144         (bind_label, set_spot_bindings): New static functions.
3145         (decl_jump_unsafe, update_spot_bindings): New static functions.
3146         (update_label_decls): New static function.
3147         (pop_scope): Call update_label_decls.  Don't call c_end_vm_scope.
3148         Update binding u.label field to shadowed field.
3149         (c_binding_start_stmt_expr): New function.
3150         (c_binding_end_stmt_expr): New function.
3151         (pushdecl): Don't call c_begin_vm_scope.
3152         (make_label): Add defining and p_label_vars parameters.  Change
3153         all callers.
3154         (lookup_label): Correct test for whether a label has not yet been
3155         defined.  Call bind_label rather than bind.
3156         (warn_about_goto): New static function.
3157         (lookup_label_for_goto): New function.
3158         (declare_label): Call bind_label rather than bind.
3159         (check_earlier_gotos): New static function.
3160         (define_label): Don't give errors about jumping into statement
3161         expressions or scopes of variably modified types.  Call
3162         set_spot_bindings and check_earlier_gotos.  Call bind_label
3163         instead of bind.  Don't set label_context_stack_se or
3164         label_context_stack_vm.
3165         (c_get_switch_bindings): New function.
3166         (c_release_switch_bindings): New function.
3167         (c_check_switch_jump_warnings): New function.
3168         (start_function): Don't set label_context_stack_se or
3169         label_context_stack_vm.
3170         (finish_function): Likewise.
3171         * c-typeck.c (label_context_stack_se): Don't define.
3172         (label_context_stack_vm): Don't define.
3173         (c_finish_goto_label): Call lookup_label_for_goto rather than
3174         lookup_label.  Don't give errors about jumping into a statement
3175         expression or the scope of a variably modified type.  Don't set
3176         label_context_stack_se or label_context_stack_vm.
3177         (struct c_switch): Remove blocked_stmt_expr and blocked_vm
3178         fields.  Add bindings field.
3179         (c_start_case): Don't set deleted fields.  Set bindings field.
3180         (do_case): Rework order of tests.  Don't check blocked_stmt_expr
3181         or blocked_vm.  Call c_check_switch_jump_warnings.
3182         (c_finish_case): Don't test blocked_stmt_expr field.  Call
3183         c_release_switch_bindings.
3184         (c_begin_stmt_expr): Don't increment blocked_stmt_expr in
3185         c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
3186         set label_context_stack_se.  Call c_bindings_start_stmt_expr.
3187         (c_finish_stmt_expr): Don't decrement blocked_stmt_expr in
3188         c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
3189         set label_context_stack_se.  Call c_bindings_end_stmt_expr.
3190         (c_begin_vm_scope, c_end_vm_scope): Don't define.
3191         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR): Don't define.
3192         (C_DECL_UNDEFINABLE_STMT_EXPR): Don't define.
3193         (C_DECL_UNJUMPABLE_VM): Don't define.
3194         (C_DECL_UNDEFINABLE_VM): Don't define.
3195         (struct c_label_list): Don't define.
3196         (struct c_label_context_se): Don't define.
3197         (struct c_label_context_vm): Don't define.
3198         (struct c_spot_bindings): Declare.
3199         (c_bindings_start_stmt_expr): Declare.
3200         (c_bindings_end_stmt_expr): Declare.
3201         (lookup_label_for_goto): Declare.
3202         (c_get_switch_bindings, c_release_switch_bindings): Declare.
3203         (c_check_switch_jump_warnings): Declare.
3204         (label_context_stack_se, label_context_stack_vm): Don't declare.
3205         (c_finish_goto_label): Update declaration.
3206         (c_begin_vm_scope, c_end_vm_scope): Don't declare.
3207         * doc/invoke.texi (Option Summary): Mention -Wjump-misses-init.
3208         (Warning Options): Document -Wjump-misses-init.
3209
3210 2009-06-15  Jakub Jelinek  <jakub@redhat.com>
3211
3212         * tree-object-size.c (addr_object_size): Fix a pasto in the last
3213         change.
3214
3215 2009-06-15  Rafael Avila de Espindola  <espindola@google.com>
3216
3217         * cgraph.c (cgraph_make_node_local): Use DECL_COMDAT_GROUP.
3218
3219 2009-06-15  Aldy Hernandez  <aldyh@redhat.com>
3220
3221         * except.c (init_eh): Use BUILTINS_LOCATION when calling build_decl.
3222
3223 2009-06-15  Aldy Hernandez  <aldyh@redhat.com>
3224
3225         * tree-eh.c (lower_try_finally_switch): Initialize tf_loc.
3226
3227 2009-06-15  Rafael Avila de Espindola  <espindola@google.com>
3228
3229         * cgraphunit.c (cgraph_function_versioning,save_inline_function_body):
3230         Use DECL_COMDAT_GROUP instead of DECL_ONE_ONLY.
3231         * cgraph.c (cgraph_create_virtual_clone): Use DECL_COMDAT_GROUP.
3232         * config/i386/i386.c (ix86_file_end): Compute DECL_COMDAT_GROUP.
3233         * dwarf2asm.c (dw2_force_const_mem): Update call to
3234         make_decl_one_only.
3235         * langhooks-def.h (lhd_comdat_group, LANG_HOOKS_COMDAT_GROUP): Remove.
3236         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_COMDAT_GROUP.
3237         * langhooks.c (lhd_comdat_group): Remove.
3238         * langhooks.h (lang_hooks_for_decls): Remove comdat_group.
3239         * tree.h (DECL_COMDAT_GROUP): New.
3240         (DECL_ONE_ONLY): Use DECL_COMDAT_GROUP.
3241         (tree_decl_with_vis): Add comdat_group. Remove one_only.
3242         (make_decl_one_only): Change signature.
3243         * varasm.c (get_emutls_init_templ_addr, emutls_decl): Update call to
3244         make_decl_one_only.
3245         (make_decl_one_only): Change signature.
3246         (default_elf_asm_named_section): Use DECL_COMDAT_GROUP.
3247
3248 2009-06-15  Richard Guenther  <rguenther@suse.de>
3249
3250         PR middle-end/40439
3251         * tree.c (widest_int_cst_value): Fix bootstrap on 32bit HWI hosts.
3252
3253 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3254
3255         * tree-ssa-math-opts.c: Remove extra divide.
3256
3257 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3258
3259         * config/s390/s390.md ("bswap<mode>2"): Only available on z900.
3260
3261 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3262
3263         * passes.c: Add bswap pass.
3264         * tree-pass.h: Add pass_optimize_bswap declaration.
3265         * tree-ssa-math-opts.c: Include diagnostics.h for print_gimple_stmt.
3266         Include rtl.h, expr.h and optabs.h for optab_handler check.
3267         (struct symbolic_number, pass_optimize_bswap): New definition.
3268         (do_shift_rotate, verify_symbolic_number_p): New functions.
3269         (find_bswap_1, find_bswap, execute_optimize_bswap): New functions.
3270         (gate_optimize_bswap): New function.
3271         * tree.c (widest_int_cst_value): New function.
3272         * tree.h (widest_int_cst_value): Prototype added.
3273
3274 2009-06-14  Steven Bosscher  <steven@gcc.gnu.org>
3275
3276         * cfgcleanup.c (old_insns_match_p): Remove code to substitute
3277         REG_EQUAL/REG_EQUIV notes.
3278
3279 2009-06-14  Richard Guenther  <rguenther@suse.de>
3280
3281         PR middle-end/40389
3282         * gimple.c (walk_stmt_load_store_addr_ops): The LHS of a call
3283         has its address taken if NRV was applied and it is addressable.
3284         * tree-ssa-structalias.c (get_constraint_for_address_of): New
3285         function split out from ...
3286         (get_constraint_for_1): ... here.
3287         (handle_rhs_call): Use it to mark the return slot escaped if
3288         it is addressable and NRV was applied.
3289
3290 2009-06-13  Aldy Hernandez  <aldyh@redhat.com>
3291
3292         * config/rs6000/rs6000-protos.h (altivec_resolve_overloaded_builtin):
3293         Change first argument type to location_t.
3294         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Same.
3295         Do not set input_location.
3296         Use loc instead of input_location throughout.
3297
3298 2009-06-13  Richard Guenther  <rguenther@suse.de>
3299
3300         PR tree-optimization/40421
3301         * tree-predcom.c (should_unroll_loop_p): Remove.
3302         (tree_predictive_commoning_loop): Use can_unroll_loop_p.
3303
3304 2009-06-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
3305
3306         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3307         Add location argument.
3308
3309 2009-06-13  Aldy Hernandez  <aldyh@redhat.com>
3310
3311         * config/alpha/alpha.c (alpha_build_builtin_va_list): Pass location to
3312         build_decl.
3313         * config/s390/s390.c (s390_build_builtin_va_list): Same.
3314         (s390_gimplify_va_arg): Pass location to create_artificial_label.
3315         * config/spu/spu-protos.h: Add location to
3316         spu_resolve_overloaded_builtin.
3317         * config/spu/spu.c (spu_build_builtin_va_list): Pass location to
3318         spu_build_builtin_va_list.
3319         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Add location
3320         argument.  Pass location to build_function_call_vec.
3321         * config/sh/sh.c (sh_build_builtin_va_list): Pass location to
3322         build_decl.
3323         (emit_fpu_switch): Same.
3324         (sh_gimplify_va_arg_expr): Pass location to create_artificial_label.
3325         * config/xtensa/xtensa.c (xtensa_build_builtin_va_list): Pass location
3326         to build_decl and create_artificial_label.
3327         (xtensa_gimplify_va_arg_expr): Same.
3328         * config/stormy16/stormy16.c (xstormy16_build_builtin_va_list): Same.
3329         (xstormy16_gimplify_va_arg_expr): Same.
3330         * config/iq2000/iq2000.c (iq2000_expand_prologue): Same.
3331         * config/arm/arm.c (arm_build_builtin_va_list): Same.
3332         * config/mips/mips.c (mips_build_builtin_va_list): Same.
3333         (mips16_build_function_stub): Same.
3334         (mips16_build_call_stub): Same.
3335
3336 2009-06-13  Richard Earnshaw  <rearnsha@arm.com>
3337
3338         PR target/40327
3339         * arm/constraints.md (Pa, Pb): New constraints.
3340         * arm/arm.md (thumb1_addsi3): Support more complex additions.  Add a 
3341         split pattern to deal with them.
3342
3343 2009-06-13  Joerg Sonnenberger  <joerg@britannica.bec.de>
3344
3345         * doc/invoke.texi: Add missing option -Wp,OPTION in list,
3346         fix index entry for -Xpreprocessor.
3347
3348 2009-06-12  Aldy Hernandez  <aldyh@redhat.com>
3349
3350         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3351         Add location argument to build_decl call.
3352         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Same.
3353         (rs6000_init_builtins): Same.
3354         (spe_init_builtins): Same.
3355         (rs6000_gimplify_va_arg): Add location argument to
3356         create_artificial_label call.
3357
3358 2009-06-12  Steven Bosscher  <steven@gcc.gnu.org>
3359
3360         * timevar.def (TV_COMBINE_STACK_ADJUST): New timevar.
3361         * combine-stack-adj.c (pass_stack_adjustments): Use it.
3362         * Makefile.in: Fix GGC dependency for gcse.o.
3363
3364 2009-06-12  Aldy Hernandez  <aldyh@redhat.com>
3365
3366         * tree-pretty-print.c (dump_generic_node): Dump column numbers.
3367         * gimple-pretty-print.c (dump_gimple_stmt): Same.
3368         * gimplify.c (gimplify_modify_expr): Set location for GIMPLE_ASSIGNs
3369         created.
3370         * c-parser.c (c_parser_binary_expression): Use current column while
3371         building binary operations.
3372         * common.opt (fshow-column): Enable by default.
3373         * tree-vrp.c (check_array_ref): Use warning_at.
3374         (check_array_bounds): Use location from call back if expr has no
3375         location.
3376         * tree.h: Add location argument to maybe_fold_*.
3377         * tree-ssa-ccp.c (ccp_fold): Pass location to maybe_fold_*.
3378         (maybe_fold_offset_to_array_ref): Add location argument and use it.
3379         (maybe_fold_offset_to_component_ref): Same.
3380         (maybe_fold_offset_to_reference): Same.
3381         (maybe_fold_offset_to_address): Same.
3382         (maybe_fold_stmt_indirect): Same.
3383         (maybe_fold_stmt_addition): Same.
3384         (fold_stmt_r): Pass location to maybe_fold_*.
3385         (fold_gimple_assign): Same.
3386         * c-tree.h: Add location argument to finish_decl,
3387         default_function_array_conversion, store_init_value.
3388         * c-decl.c (define_label): Use error_at.
3389         (c_make_fname_decl): Pass location to finish_decl.
3390         (finish_decl): New location argument.
3391         (build_compound_literal): Pass location to store_init_value.
3392         (grokdeclarator): Pass location to finish_decl.
3393         (grokfield): Same.
3394         * c-typeck.c (array_to_pointer_conversion): New location argument.
3395         (function_to_pointer_conversion): Same.
3396         (default_function_array_conversion): Same.
3397         (parser_build_unary_op): Pass location to overflow_warning.
3398         (parser_build_binary_op): Same.  Use warning_at.
3399         (build_unary_op): Pass location to array_to_pointer_conversion.
3400         (build_c_cast): Pass location to digest_init.
3401         (build_modify_expr): New location argument.
3402         (convert_for_assignment): Same.
3403         (store_init_value): Same.
3404         (digest_init): Same.
3405         (output_init_element): Pass location to digest_init and
3406         array_to_pointer_conversion.
3407         (c_finish_return): Pass location to convert_for_assignment.
3408         * gimplify.c (gimplify_conversion): Pass location to
3409         maybe_fold_offset_to_address.
3410         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Pass location
3411         to maybe_fold_stmt_addition.
3412         * c-omp.c (c_finish_omp_atomic): Pass new location to
3413         build_modify_expr.
3414         (c_finish_omp_for): Same.
3415         * c-common.c (overflow_warning): New argument.
3416         * c-common.h: New argument to build_modify_expr, overflow_warning.
3417         * c-parser.c (c_parser_declaration_or_fndef): Pass location to
3418         finish_decl.
3419         (c_parser_initializer): Pass location to
3420         default_function_array_conversion.
3421         (c_parser_initelt): Same.
3422         (c_parser_initval): Same.
3423         (c_parser_asm_operands): Same.
3424         (c_parser_expr_no_commas): Same.  Pass location to build_modify_expr.
3425         (c_parser_conditional_expression): Same.
3426         (c_parser_binary_expression): Add location info to stack.  Use it.
3427         (c_parser_unary_expression): Pass location to
3428         default_function_array_conversion, parser_build_unary_op,
3429         build_indirect_ref, c_parser_postfix_expression_after_primary.
3430         (c_parser_postfix_expression_after_primary): New location argument.
3431         Use it.
3432         (c_parser_expression_conv): Pass location to
3433         default_function_array_conversion.
3434         (c_parser_expr_list): Same.
3435         (c_parser_omp_atomic): Same.
3436         (c_parser_omp_for_loop): Same.
3437         * c-tree.h: (struct c_declarator): Add comment to id_loc.
3438         (build_array_declarator): New argument.
3439         * c-decl.c (build_array_declarator): Add location argument.
3440         (grokdeclarator): Set id_loc for cdk_array.
3441         * c-parser.c (c_parser_direct_declarator_inner): Pass location to
3442         build_array_declarator.
3443         * tree.c (build_omp_clause): Add location argument.
3444         * tree.h (OMP_CLAUSE_HAS_LOCATION): New macro.
3445         (OMP_CLAUSE_LOCATION): New macro.
3446         (struct tree_omp_clause): Add location field.
3447         (build_omp_clause): Add argument.
3448         * testsuite/gcc.dg/gomp/for-1.c: Fix column.
3449         * cp/pt.c (tsubst_omp_for_iterator): Pass location to
3450         build_omp_clause.
3451         * cp/parser.c (cp_parser_omp_var_list_no_open): Same.
3452         (cp_parser_omp_clause_collapse): Same.
3453         (cp_parser_omp_clause_default): Same.
3454         (cp_parser_omp_clause_if): Same.
3455         (cp_parser_omp_clause_nowait): Same.
3456         (cp_parser_omp_clause_num_threads): Same.
3457         (cp_parser_omp_clause_ordered): Same.
3458         (cp_parser_omp_clause_schedule): Same.
3459         (cp_parser_omp_clause_untied): Same.
3460         (cp_parser_omp_for_loop): Same.
3461         (cp_parser_omp_parallel): Pass location to c_split_parallel_clauses.
3462         * c-tree.h (c_start_case): Add location argument.
3463         (c_process_expr_stmt): Same.
3464         (c_finish_goto_*): Same.
3465         * tree-parloops.c (initialize_reductions): Pass location to
3466         build_omp_clause.
3467         (create_parallel_loop): Same.
3468         * fortran/trans-openmp.c (gfc_trans_omp_variable_list): Same.
3469         (gfc_trans_omp_reduction_list): Same.
3470         (gfc_trans_omp_clauses): Same.
3471         (gfc_trans_omp_do): Same.
3472         * c-typeck.c (c_finish_goto_label): Same.
3473         (c_finish_goto_ptr): New location argument.
3474         (c_start_case): Same.
3475         (emit_side_effect_warnings): Same.
3476         (c_process_expr_stmt): Same.
3477         (c_finish_stmt_expr): Same.
3478         (c_finish_omp_clauses): Use error_at instead of error.
3479         * gimplify.c (gimplify_adjust_omp_clauses_1): Pass location to
3480         build_omp_clause.
3481         * c-omp.c (c_split_parallel_clauses): New location argument.
3482         * tree-nested.c (convert_nonlocal_reference_stmt): Pass location
3483         to build_omp_clause.
3484         (convert_local_reference_stmt): Same.
3485         (convert_gimple_call): Same.
3486         * c-common.h (c_split_parallel_clauses): New argument.
3487         * c-parser.c (c_parser_statement_after_labels): Pass location to
3488         c_finish_goto_label.
3489         (c_parser_switch_statement): Pass location to c_start_case.
3490         (c_parser_for_statement): Pass location to c_finish_expr_stmt,
3491         and c_process_expr_stmt.
3492         (c_parser_omp_variable_list): Add location argument.
3493         (c_parser_omp_clause_collapse): Pass location to build_omp_clause.
3494         (c_parser_omp_clause_default): Same.
3495         (c_parser_omp_clause_if): Same.
3496         (c_parser_omp_clause_num_threads): Same.
3497         (-c_parser_omp_clause_ordered): Same.
3498         (c_parser_omp_clause_reduction): Pass location to
3499         c_parser_omp_variable_list.
3500         (c_parser_omp_clause_schedule): Pass location to build_omp_clause.
3501         (c_parser_omp_clause_untied): Same.
3502         (c_parser_omp_for_loop): Pass location to c_process_expr_stmt.
3503         (c_parser_omp_parallel): Pass location to c_split_parallel_clauses.
3504
3505         * c-tree.h (check_for_loop_decls, undeclared_variable,
3506         build_component_ref, build_array_ref, build_external_ref,
3507         c_expr_sizeof_expr, c_expr_sizeof_type, parser_build_unary_op,
3508         build_conditional_expr, build_compound_expr, c_cast_expr,
3509         build_c_cast, build_asm_expr, c_end_compound_stmt, c_finish_stmt_expr,
3510         c_finish_return, c_finish_omp_parallel, c_finish_omp_task): New
3511         argument.
3512         * c-semantics.c (build_stmt): Same.
3513         (build_case_label): Same.
3514         * c-decl.c (c_finish_incomplete_decl): Pass location on down.
3515         (undeclared_variable): New argument.
3516         (make_label): Same.
3517         (lookup_label): Pass location on down.
3518         (define_label): Same.
3519         (finish_decl): Same.
3520         (build_compound_literal): Same.
3521         (finish_struct): Same.
3522         (finish_function): Do not set location here.
3523         (check_for_loop_decls): New argument.
3524         * tree.c (save_expr): Set location.
3525         (build_empty_stmt): New argument.
3526         * tree.h (build_empty_stmt): New argument to build_empty_stmt.
3527         (CAN_HAVE_LOCATION_P): Make sure we have a non empty node.
3528         * builtins.c (gimplify_va_arg_expr): Use locations.
3529         (expand_builtin_sync_operation): Same.
3530         * c-typeck.c (build_component_ref): New argument.
3531         (build_array_ref): Same.
3532         (build_external_ref): Same.
3533         (c_expr_sizeof_expr): Same.
3534         (c_expr_sizeof_type): Same.
3535         (parser_build_unary_op): Same.
3536         (build_conditional_expr): Same.
3537         (build_compound_expr): Pass location on down.
3538         (build_compound_expr): New argument.
3539         (build_c_cast): Same.
3540         (c_cast_expr): Same.
3541         (build_asm_expr): Same.
3542         (c_finish_return): Same.
3543         (c_process_expr_stmt): Pass location on down.
3544         (c_finish_stmt_expr): New argument.
3545         (push_clenaup): Same.
3546         (c_finish_omp_parallel): Same.
3547         (c_finish_omp_task): Same.
3548         * gimplify.c (gimplify_call_expr): Pass location on down.
3549         * c-omp.c (c_finish_omp_master): New argument.
3550         (c_finish_omp_critical): Same.
3551         (c_finish_omp_ordered): Same.
3552         (c_finish_omp_barrier): Same.
3553         (-c_finish_omp_taskwait): Same.
3554         (c_finish_omp_atomic): Same.
3555         (c_finish_omp_flush): Same.
3556         * tree-inline.c (copy_tree_body_r): Pass location on down.
3557         (inline_forbidden_p): Remove use of input_location.
3558         * c-gimplify.c (c_build_bind_expr): New argument.
3559         * c-common.c (c_common_truthvalue_conversion): Pass location on down.
3560         (c_sizeof_or_alignof_type): New argument.
3561         (c_alignof_expr): Same.
3562         (build_va_arg): Same.
3563         (c_add_case_label): Same.
3564         * c-common.h (c_sizeof_or_alignof_type, c_alignof_expr,
3565         c_sizeof, c_alignof, build_va_arg, build_stmt, build_case_label,
3566         c_build_bind_expr, objc_build_selector_expr, objc_build_throw_stmt,
3567         c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered,
3568         c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush,
3569         c_finish_omp_taskwait, c_finish_omp_for, c_split_parallel_clauses):
3570         New argument.
3571         * stub-objc.c (objc_build_selector_expr): Same.
3572         (objc_build_throw_stmt): Same.
3573         * c-parser.c (c_parser_declaration_or_fndef): Pass location on down.
3574         (c_parser_initelt): Same.
3575         (c_parser_compound_statement): Same.
3576         (c_parser_compound_statement_nostart): Same.
3577         (c_parser_label): Same.
3578         (c_parser_statement_after_labels): Same.
3579         (c_parser_if_body): Same.
3580         (c_parser_else_body): Same.
3581         (c_parser_if_statement): Same.
3582         (c_parser_switch_statement): Same.
3583         (c_parser_while_statement): Same.
3584         (c_parser_do_statement): Same.
3585         (c_parser_for_statement): Same.
3586         (c_parser_asm_statement): Same.
3587         (c_parser_conditional_expression): Same.
3588         (c_parser_binary_expression): Same.
3589         (c_parser_cast_expression): Same.
3590         (c_parser_unary_expression): Same.
3591         (c_parser_sizeof_expression): Same.
3592         (c_parser_alignof_expression): Same.
3593         (c_parser_postfix_expression): Same.
3594         (c_parser_expression): Same.
3595         (c_parser_objc_receiver): Same.
3596         (c_parser_omp_variable_list): Same.
3597         (c_parser_omp_structured_block): Same.
3598         (c_parser_omp_atomic): New argument.
3599         (c_parser_omp_barrier): Same.
3600         (c_parser_omp_critical): Same.
3601         (c_parser_omp_flush): Pass location on down.
3602         (c_parser_omp_for_loop): New argument.
3603         (c_parser_omp_for): Same.
3604         (c_parser_omp_master): Same.
3605         (c_parser_omp_ordered): Same.
3606         (c_parser_omp_sections_scope): Same.
3607         (c_parser_omp_sections): Same.
3608         (c_parser_omp_parallel): Same.
3609         (c_parser_omp_single): Same.
3610         (c_parser_omp_task): Same.
3611         (c_parser_omp_taskwait): Pass location on down.
3612         (c_parser_omp_construct): Same.
3613         (c_parser_omp_threadprivate): Same.
3614         * dwarf2asm.c, targhooks.c, optabs.c, tree.c, tree.h, target.h,
3615         builtins.c, omp-low.c, cgraphunit.c, tree-call-cdce.c,
3616         tree-ssa-alias.c, gimple-low.c, c-tree.h, expr.c, tree-parloops.c,
3617         c-decl.c, tree-eh.c, langhooks.c, function.c, stor-layout.c,
3618         c-typeck.c, gimplify.c, c-pragma.c, expmed.c, except.c, coverage.c,
3619         emit-rtl.c, cfgexpand.c, tree-mudflap.c, varasm.c, tree-nested.c,
3620         rtl.h, tree-inline.c, tree-profile.c, c-common.c, c-common.h,
3621         tree-switch-conversion.c, tree-cfg.c, ipa-struct-reorg.c, c-parser.c,
3622         config/i386/i386.c, stmt.c:
3623         Add location argument to the following function definitions and/or
3624         function calls: build_decl, objcp_start_struct, objcp_finish_struct,
3625         start_struct, finish_struct, PUSH_FIELD, create_artificial_label,
3626         cp_make_fname_decl, pushtag, implicitly_declare, c_make_fname_decl,
3627         build_compound_literal, parser_xref_tag, resolve_overloaded_builtin,
3628         do_case, c_finish_bc_stmt, build_compound_literal,
3629         build_function_call.
3630         * c-decl.c (build_compound_literal): Add location argument.
3631         Make all diagnostic calls use location.
3632         (start_struct): Same.
3633         (finish_struct): Same.
3634         (start_enum): Same.
3635         (build_enumerator): Same.
3636         (start_function): Same.
3637         (grokdeclarator): Make all diagnostic calls use location.
3638         (store_parm_decls_oldstyle): Same.
3639         * c-typeck.c (build_function_call): Add location argument.
3640         Make all diagnostic calls use location.
3641         (do_case): Same.
3642         (c_finish_bc_stmt): Same.
3643         * tree-nested.c (get_trampoline_type): Add argument.
3644         Pass location to build_decl.
3645         (lookup_tramp_for_decl): Pass location to get_trampoline_type.
3646         * rtl.h (RTL_LOCATION): New.
3647         * c-common.c (c_add_case_label): Add location argument.
3648         Make all diagnostic calls use location.
3649         * c-common.h: Add location argument to make_fname_decl, do_case,
3650         c_add_case_label, build_function_call, resolve_overloaded_builtin.
3651         * c-parser.c (c_parser_enum_specifier): Rename ident_loc to enum_loc.
3652         Set it appropriately for every case.  Pass enum_loc to start_enum
3653         call.  Pass value_loc first to build_enumerator.  Pass enum_loc to
3654         parser_xref_tag.
3655         (c_parser_struct_or_union_specifier): Save location.  Use it for
3656         start_struct, finish_struct, and parser_xref_tag.
3657
3658 2009-06-12  Ian Lance Taylor  <iant@google.com>
3659
3660         * fold-const.c (fold_unary): Rename local variable and to and_expr.
3661
3662         * c-opts.c (c_common_handle_option): For -Wc++-compat set
3663         cpp_opts->warn_cxx_operator_names.
3664
3665 2009-06-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3666
3667         PR tree-opt/38865
3668         * tree-ssa-sccvn.c (visit_reference_op_load): If vn_reference_lookup
3669         is returns NULL and OP is a VCE, look through the VCE.
3670
3671 2009-06-12  Ian Lance Taylor  <iant@google.com>
3672
3673         PR bootstrap/40430
3674         * collect2.c (main): Use CONST_CAST2 in code inside #if
3675         LINK_ELIMINATE_DUPLICATE_LDIRECTORIES.
3676
3677 2009-06-12  Joey Ye  <joey.ye@intel.com>
3678
3679         PR middle-end/39146
3680         * cfgexpand.c (get_decl_align_unit): Update
3681         max_used_stack_slot_alignment with align instead of
3682         stack_alignment_needed.
3683
3684         * function.c (assign_stack_local_1): Update
3685         max_used_stack_slot_alignment with alignment_in_bits instead
3686         of stack_alignment_needed.
3687         (locate_and_pad_parm): Don't update max_used_stack_slot_alignment
3688         here.
3689
3690 2009-06-12  Jakub Jelinek  <jakub@redhat.com>
3691
3692         * dwarf2out.c (last_var_location_insn): New variable.
3693         (dwarf2out_end_epilogue): Clear last_var_location_insn.
3694         (dwarf2out_var_location): Don't record anything after last real
3695         insn.  Only change labels if there were any real instructions
3696         in between last note and this one, or if changed sections.
3697
3698 2009-06-11  Richard Henderson  <rth@redhat.com>
3699
3700         * alpha.c (alpha_expand_prologue): Add a REF_CFA_REGISTER
3701         note when storing the frame pointer in a register.
3702         (FRP): Don't redefine to nothing for epilogue.
3703         (alpha_expand_epilogue): Mark register and sp restores.
3704         (unicosmk_gen_dsib): Don't mark weird frame pointer adjust.
3705
3706         * config/alpha/alpha.c (alpha_emit_setcc): Fix test for
3707         when gen_lowpart is needed.
3708
3709 2009-06-11  Richard Henderson  <rth@redhat.com>
3710
3711         * dwarf2out.c (def_cfa_1): Likewise for DW_CFA_cfa_offset.
3712
3713         * dwarf2out.c (need_data_align_sf_opcode): New.
3714         (div_data_align): Move earlier.
3715         (def_cfa_1, reg_save): Use it.
3716
3717 2009-06-11  H.J. Lu  <hongjiu.lu@intel.com>
3718
3719         * config/i386/i386.c (OPTION_MASK_ISA_CRC32_SET): New.
3720         (OPTION_MASK_ISA_CRC32_UNSET): Likewise.
3721         (ix86_handle_option): Handle OPT_mcrc32.
3722         (ix86_target_string): Add -mcrc32.
3723         (bdesc_args): Enable crc32 builtins with OPTION_MASK_ISA_CRC32.
3724
3725         * config/i386/i386.h (TARGET_CRC32): New.
3726
3727         * config/i386/i386.md (sse4_2_crc32<mode>): Also check TARGET_CRC32.
3728         (sse4_2_crc32di): Likewise.
3729
3730         * config/i386/i386.opt (mcrc32): New.
3731
3732         * doc/invoke.texi: Document -mcrc32.
3733
3734 2009-06-11  Richard Henderson  <rth@redhat.com>
3735
3736         * common.opt (gdwarf-): Accept a version number.
3737         * doc/invoke.texi (gdwarf-): Update docs.
3738         * opth-gen.awk: Special case -gdwarf+ to OPT_gdwarfplus.
3739         * opts.c (common_handle_option) [OPT_gdwarf_]: Verify dwarf
3740         version level, and record it.
3741
3742         * dwarf2.h (DW_CIE_VERSION): Remove.
3743         * dwarf2out.c (DWARF_VERSION): Remove.
3744         (add_fde_cfi): Skip DW_CFA_set_loc addition for dwarf3.
3745         (output_call_frame_info): Use CIE version 3 for dwarf3,
3746         or if the return register column is out of range for version 1.
3747         (dwarf_stack_op_name): Add all dwarf3 values.
3748         (DEBUG_PUBTYPES_SECTION): New.
3749         (size_of_die) [dw_val_class_die_ref]: Handle DW_FORM_ref_addr
3750         encoding change for dwarf3.
3751         (output_die) [dw_val_class_die_ref]: Likewise.
3752         (output_compilation_unit_header): Emit correct version for dwarf3.
3753         (output_line_info): Likewise.
3754         (output_pubnames): Update for DWARF_VERSION removal.
3755         (output_aranges): Likewise.
3756         (gen_subprogram_die): Emit DW_OP_call_frame_cfa if emitting dwarf3.
3757         (dwarf2out_init): Don't ifdef DEBUG_PUBTYPES_SECTION.
3758         (dwarf2out_finish): Likewise.
3759
3760 2009-06-11  David Daney  <ddaney@caviumnetworks.com>
3761
3762         * system.h (gcc_assert, gcc_unreachable): Revert accidental commit
3763         in r148403.
3764
3765 2009-06-11  David Daney  <ddaney@caviumnetworks.com>
3766
3767         PR c/39252
3768         * doc/extend.texi ( __builtin_unreachable): Document new builtin.
3769         * builtins.c (expand_builtin_unreachable): New function.
3770         (expand_builtin): Handle BUILT_IN_UNREACHABLE case.
3771         * builtins.def (BUILT_IN_UNREACHABLE): Add new builtin.
3772         * cfgcleanup.c (try_optimize_cfg): Delete empty blocks with no
3773         successors.
3774         * cfgrtl.c (rtl_verify_flow_info): Handle empty blocks when
3775         searching for missing barriers.
3776
3777 2009-06-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
3778
3779         * config/darwin.h (LINK_COMMAND_SPEC): Adjust spec to link libcov
3780         when -fprofile-generate* was passed.
3781         * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
3782
3783 2009-06-11  Anthony Green  <green@moxielogic.com>
3784
3785         * config/moxie/moxie.md: Define length attribute for all instructions.
3786         (rCC): Define.
3787         (*b<cond:code>): Support limited branch ranges for new PC-relative
3788         branch instructions.
3789         * config/moxie/moxie.h (HAS_LONG_UNCOND_BRANCH): Define.
3790
3791 2009-06-11  Jakub Jelinek  <jakub@redhat.com>
3792
3793         * config/i386/i386.c (min_insn_size): Use get_attr_length
3794         for normal insns other than TYPE_MULTI, TYPE_OTHER and TYPE_FCMP.
3795         For __asm return 0.
3796
3797         * config/i386/i386.c (ix86_pad_returns): Use emit_jump_insn_before
3798         instead of emit_insn_before.
3799
3800 2009-06-10  Ian Lance Taylor  <iant@google.com>
3801
3802         PR bootstrap/40408
3803         * graphite.c (add_conditions_to_domain): Change SWITCH_EXPR to
3804         GIMPLE_SWITCH.
3805
3806 2009-06-10  Revital Eres  <eres@il.ibm.com>
3807
3808         * passes.c (init_optimization_passes): Reschedule
3809         predictive-commoning pass before complete unroll pass.
3810
3811 2009-06-10  Martin Jambor  <mjambor@suse.cz>
3812
3813         * cgraph.c (cgraph_node_can_be_local_p): New function.
3814         (cgraph_make_node_local): New function.
3815         * cgraph.h (cgraph_node_can_be_local_p): Declare.
3816         (cgraph_make_node_local): Declare.
3817
3818 2009-06-10  Nathan Froyd  <froydnj@codesourcery.com>
3819
3820         * tree.h (tree_base): Add packed_flag and user_align fields.
3821         Decrease size of spare field.
3822         (TYPE_USER_ALIGN): Use user_align from tree_base.
3823         (DECL_USER_ALIGN): Likewise.
3824         (TYPE_PACKED): Use packed_flag from tree_base.
3825         (DECL_PACKED): Likewise.
3826         (tree_type): Delete packed_flag and user_align fields.  Widen
3827         precision field.  Widen mode field and shuffle fields to align
3828         mode on an 8-bit boundary.
3829         (tree_decl_common): Delete decl_flag_1 and user_align fields.
3830         Renumber decl_flag_* fields.  Fix comments.  Widen
3831         decl_common_unused field.
3832         (DECL_HAS_VALUE_EXPR_P): Adjust for renumbering of decl_flag_* fields.
3833         (DECL_EXTERNAL): Likewise.
3834         (DECL_BIT_FIELD): Likewise.
3835         (DECL_NONADDRESSABLE_P): Likewise.
3836         (TYPE_DECL_SUPRESS_DEBUG): Likewise.
3837         * config/arm/arm-modes.def (XImode): Make it an INT_MODE.
3838
3839 2009-06-10  Ian Lance Taylor  <iant@google.com>
3840
3841         * vec.h (DEF_VEC_ALLOC_I): Use DEF_VEC_NONALLOC_FUNCS_I.
3842         (DEF_VEC_ALLOC_P): Use DEF_VEC_NONALLOC_FUNCS_P.
3843         (DEF_VEC_ALLOC_O): Use DEF_VEC_NONALLOC_FUNCS_O.
3844         (DEF_VEC_ALLOC_FUNC_P): Only define VEC_OP (T,A,alloc).
3845         (DEF_VEC_NONALLOC_FUNCS_P): New macro, broken out of old
3846         DEF_VEC_ALLOC_FUNC_P.
3847         (DEF_VEC_ALLOC_FUNC_O): Only define VEC_OP (T,A,alloc).
3848         (DEF_VEC_NONALLOC_FUNCS_O): New macro, broken out of old
3849         DEF_VEC_ALLOC_FUNC_O.
3850         (DEF_VEC_ALLOC_FUNC_I): Only define VEC_OP (T,A,alloc).
3851         (DEF_VEC_NONALLOC_FUNCS_I): New macro, broken out of old
3852         DEF_VEC_ALLOC_FUNC_I.
3853         (vec_stack_p_reserve, vec_stack_p_reserve_exact): Declare.
3854         (vec_stack_p_reserve_exact_1): Declare.
3855         (vec_stack_o_reserve, vec_stack_o_reserve_exact): Declare.
3856         (vec_stack_free): Declare.
3857         (VEC_stack_alloc): Define.
3858         (DEF_VEC_ALLOC_P_STACK, DEF_VEC_ALLOC_FUNC_P_STACK): Define.
3859         (DEF_VEC_ALLOC_O_STACK, DEF_VEC_ALLOC_FUNC_O_STACK): Define.
3860         (DEF_VEC_ALLOC_I_STACK, DEF_VEC_ALLOC_FUNC_I_STACK): Define.
3861         * vec.c (void_p): New type.  Call DEF_VEC_P and DEF_VEC_ALLOC_P
3862         for void_p.
3863         (stack_vecs): New static variable.
3864         (vec_stack_p_reserve_exact_1): New function.
3865         (vec_stack_o_reserve_1): New static function.
3866         (vec_stack_p_reserve, vec_stack_p_reserve_exact): New functions.
3867         (vec_stack_o_reserve, vec_stack_o_reserve_exact): New functions.
3868         (vec_stack_free): New function.
3869         * df-scan.c (df_ref): Use DEF_VEC_P and DEF_VEC_ALLOC_P_STACK.
3870         (VEC_df_ref_stack_alloc): Define.
3871         (df_mw_hardreg_ptr): New type.  Use DEF_VEC_P and
3872         DEF_VEC_ALLOC_P_STACK.
3873         (VEC_df_mw_hardreg_ptr_stack_alloc): Define.
3874         (struct df_collection_rec): Change _vec fields to VEC.  Remove
3875         _use fields.
3876         (df_free_collection_rec): Adjust for new fields.
3877         (df_insn_rescan): Use new df_collection_rec fields.
3878         (df_notes_rescan, df_canonize_collection_rec): Likewise.
3879         (df_ref_create_structure, df_ref_record): Likewise.
3880         (df_get_conditional_uses, df_get_call_refs): Likewise.
3881         (df_insn_refs_collect, df_bb_refs_collect): Likewise.
3882         (df_bb_refs_record, df_record_entry_block_defs): Likewise.
3883         (df_record_exit_block_uses, df_bb_verify): Likewise.
3884         (df_swap_refs): Change ref_vec parameter to VEC.  Change all callers.
3885         (df_sort_and_compress_refs): Change ref_vec parameter to VEC.
3886         Remove count parameter.  Change return type to void.  Change all
3887         callers.
3888         (df_sort_and_compress_mws): Change mw_vec parameter to VEC.
3889         Remove count parameter.  Change return type to void.  Change all
3890         callers.
3891         (df_install_refs): Change old_vec parameter to VEC.  Remove count
3892         parameter.  Change all callers.
3893         (df_install_mws): Change old_vec parameter to VEC.  Remove count
3894         parameter.  Change all callers.
3895         (df_refs_verify): Change new_rec parameter to VEC.  Change call
3896         callers.
3897         (df_mws_verify): Likewise.
3898
3899 2009-06-10  Alexandre Oliva  <aoliva@redhat.com>
3900
3901         * gcc.c (compare_files): Cast munmap argumento to caddr_t.
3902
3903 2009-06-10  H.J. Lu  <hongjiu.lu@intel.com>
3904
3905         * doc/extend.texi: Add description for __builtin_ia32_crc32di.
3906
3907 2009-06-10  Anthony Green  <green@moxielogic.com>
3908
3909         * config/moxie/crti.asm: New file.
3910         * config/moxie/crtn.asm: New file.
3911         * config/moxie/moxie.c: New file.
3912         * config/moxie/moxie.h: New file.
3913         * config/moxie/sfp-machine.h: New file.
3914         * config/moxie/moxie-protos.h: New file.
3915         * config/moxie/t-moxie: Created.
3916         * config/moxie/t-moxie-softfp: Created.
3917         * config/moxie/moxie.md: Created.
3918         * config/moxie/constraints.md: Created.
3919         * config.gcc: Add moxie support.
3920         * doc/md.texi (Machine Constraints): Add moxie constraints.
3921         * doc/contrib.texi (Contributors): Mention moxie port.
3922         * doc/install.texi (Specific): Mention the moxie port.
3923
3924 2009-06-09  Ian Lance Taylor  <iant@google.com>
3925
3926         * system.h (HAVE_DESIGNATED_INITIALIZERS): Don't define if
3927         compiling with C++.
3928         * optabs.c (optab_table): Only use designated initializers if
3929         HAVE_DESIGNATED_INITIALIZERS is defined.
3930         (convert_optab_table): Likewise.
3931         (init_optabs): Always call init_insn_codes if
3932         HAVE_DESIGNATED_INITIALIZERS is not defined.
3933
3934 2009-06-09  Ian Lance Taylor  <iant@google.com>
3935
3936         * targhooks.c (default_builtin_vectorized_function): Change fn
3937         parameter to unsigned int.
3938         (default_builtin_vectorized_conversion): Change code parameter to
3939         unsigned int.
3940         (default_builtin_reciprocal): Change fn parameter to unsigned int.
3941         * targhooks.h: Update declarations.
3942         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Change code
3943         parameter to unsigned int.
3944
3945         * c-typeck.c (comptypes_check_enum_int): New static function.
3946         (comptypes_internal): Add enum_and_int_p parameter.  Change all
3947         callers.
3948         (comp_target_types): Add location parameter.  Change all callers.
3949         (tagged_types_tu_compatible_p): Add enum_and_int_p parameter.
3950         Change all callers.
3951         (function_types_compatible_p, type_lists_compatible_p): Likewise.
3952         (build_conditional_expr): Add colon_loc parameter.  Change all
3953         callers.
3954         (convert_for_assignment): Add location parameter.  Change all callers.
3955         * c-parser.c (c_parser_conditional_expression): Pass location of
3956         colon to build_conditional_expr.
3957         * c-tree.h (build_conditional_expr): Update declaration.
3958
3959 2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>
3960
3961         * graphite.c: Revert previous patch.
3962
3963 2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>
3964
3965         PR bootstrap/40103
3966         * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".
3967
3968 2009-06-09  Ghassan Shobaki  <ghassan.shobaki@amd.com>
3969
3970         * tree-ssa-loop-prefetch.c
3971         (loop_prefetch_arrays): Fixed a portability problem in printf format
3972         string.
3973
3974 2009-06-09  Martin Jambor  <mjambor@suse.cz>
3975
3976         PR tree-optimization/40351
3977         * tree-sra.c (propagate_subacesses_accross_link): Check that a
3978         refrence to a potential artifical subaccess can be constructed.
3979
3980 2009-06-08  Kaz Kojima  <kkojima@gcc.gnu.org>
3981
3982         * config/sh/sh-protos.h (sh_optimization_options): Declare.
3983         (sh_override_options): Likewise.
3984         * config/sh/sh.c: Include params.h.
3985         (sh_optimization_options): New.
3986         (sh_override_options): Likewise.
3987         * config/sh/sh.c (OPTIMIZATION_OPTIONS): Use sh_optimization_options.
3988         (OVERRIDE_OPTIONS): Use sh_override_options.
3989
3990 2009-06-08  Jakub Jelinek  <jakub@redhat.com>
3991
3992         * dwarf2out.c (emit_cfa_remember): New variable.
3993         (add_fde_cfi): If emit_cfa_remember, recurse to add
3994         DW_CFA_remember_state first.
3995         (dwarf2out_begin_epilogue): Don't add_fde_cfi DW_CFA_remember_state,
3996         instead just set emit_cfa_remember.
3997
3998 2009-06-08  Jan Hubicka  <jh@suse.cz>
3999
4000         PR debug/40126
4001         * dwarf2out.c (dwarf2out_abstract_function): Free decl_loc_table.
4002
4003 2009-06-08  Jan Hubicka  <jh@suse.cz>
4004
4005         PR middle-end/39834
4006         * cgraphunit.c (save_inline_function_body): Do not copy transform
4007         hooks for saved inline bodies.
4008         * ipa-passes.c (do_per_function): Do not add the hoks multiple times
4009         for given function.
4010
4011 2009-06-08  Adam Nemet  <anemet@caviumnetworks.com>
4012
4013         * jump.c (returnjump_p): Handle delayed branches.  Add missing
4014         function comment.
4015
4016 2009-06-08  Jan Hubicka  <jh@suse.cz>
4017
4018         PR middle-end/40102
4019         * cgraph.c (cgraph_create_edge_including_clones): Also asume that the
4020         original node might've been modified.
4021         * tree-inline.c (copy_bb): Do not assume that all clones are the same.
4022
4023 2009-06-08  Jakub Jelinek  <jakub@redhat.com>
4024
4025         * tree-object-size.c (addr_object_size): Add OSI argument.
4026         Handle also INDIRECT_REF with SSA_NAME inside of it as base address.
4027         (compute_builtin_object_size, expr_object_size): Adjust callers.
4028         (plus_stmt_object_size): Call addr_object_size instead of
4029         compute_builtin_object_size.
4030
4031 2009-06-08  Ghassan Shobaki  <ghassan.shobaki@amd.com>
4032             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4033         
4034         * tree-ssa-loop-prefetch.c 
4035         (gather_memory_references): Introduced a counter for the number of 
4036         memory references.
4037         (anything_to_prefetch_p): Introduced a counter for the number of 
4038         prefetches.
4039         (is_loop_prefetching_profitable): New function with a cost model 
4040         for prefetching.
4041         (loop_prefetch_arrays): Use the new cost model to determine if 
4042         prefetching is profitable.
4043         * params.def (MIN_INSN_TO_PREFETCH_RATIO, 
4044         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
4045         * params.h (MIN_INSN_TO_PREFETCH_RATIO, 
4046         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
4047         * doc/invoke.texi (MIN_INSN_TO_PREFETCH_RATIO, 
4048         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
4049         
4050 2009-06-08  Michael Matz  <matz@suse.de>
4051
4052         PR debug/40012
4053         * cfgexpand.c (set_rtl): Store place also in DECL_RTL, if all
4054         partitions use the same.
4055         (expand_one_var): Deal with DECL_RTL sometimes begin set also
4056         for basevars of SSA_NAMEs.
4057         (expand_used_vars): Reset TREE_USED for basevars of SSA_NAMEs,
4058         to not expand them twice.
4059         (gimple_expand_cfg): Clear DECL_RTL for those decls that have
4060         multiple places.
4061
4062 2009-06-08  Alexandre Oliva  <aoliva@redhat.com>
4063
4064         * common.opt (fcompare-debug=, fcompare-debug-second): New.
4065         (fdump-final-insns=, gtoggle): New.
4066         * doc/invoke.texi: Document them.
4067         * final.c (rest_of_clean_state): Dump final insn stream.
4068         * gcc.c (invoke_as): Hook in -fcompare-debug.
4069         (static_spec_functions): Add compare-debug-dump-opt,
4070         compare-debug-self-opt and compare-debug-auxbase-opt.
4071         (compare_debug, compare_debug_second, compare_debug_opt): New.
4072         (switches_debug_check, n_switches_debug_check): New.
4073         (debug_auxbase_opt, debug_check_temp_file): New.
4074         (process_command): Handle -fno-compare-debug, -fcompare-debug and
4075         -fcompare-debug=*.
4076         (do_self_spec): Handle arguments after switches.
4077         (do_spec_1): Add .gk extension to temp file basenames for compare.
4078         (check_live_switch): Take SWITCH_IGNORE into account, and earlier.
4079         (cc1_options): Use it instead of normal auxbase computation for
4080         the second compare-debug compilation.
4081         (compare_files): New.
4082         (main): Set up and implement compare debug mode.
4083         (compare_debug_dump_opt_spec_function): New.
4084         (compare_debug_self_opt_spec_function): New.
4085         (compare_debug_auxbase_opt_spec_function): New.
4086         * toplev.c (process_options): Handle flag_gtoggle,
4087         flag_dump_final_insns.
4088         * coverage.c (coverage_begin_output): Don't overwrite .gcno file
4089         during -fcompare-debug-second compilation.
4090
4091 2009-06-07  Ian Lance Taylor  <iant@google.com>
4092
4093         * dwarf2.h (enum dwarf_location_atom): Add INTERNAL_DW_OP_tls_addr.
4094         * dwarf2out.c (INTERNAL_DW_OP_tls_addr): Don't #define.
4095
4096         * c-common.c (c_do_switch_warnings): Don't exit early for -Wswitch
4097         with no default node.  Change warning with %H to warning_at.
4098         Don't clear warn_switch around case checking.
4099         * doc/invoke.texi (Warning Options): Clarify distinction between
4100         -Wswitch and -Wswitch-enum.
4101
4102 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4103
4104         * tree-pass.h (TODO_update_ssa_any): Document internal use only.
4105
4106 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4107
4108         * gbl-ctors.h: Add header guard.
4109
4110 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4111
4112         * tree-flow.h (make_value_handle, set_value_handle, sort_vuses,
4113         sort_vuses_heap, vn_lookup_or_add, vn_lookup_or_add_with_stmt,
4114         vn_lookup_or_add_with_vuses, vn_add, vn_add_with_vuses,
4115         vn_lookup_with_stmt, vn_lookup, vn_lookup_with_vuses): Remove
4116         prototypes for removed functions.
4117         (expressions_equal_p): Move to ...
4118         * tree-ssa-sccvn.h: ... here and ...
4119         * matrix-reorg.c: ... adjust includes.
4120
4121 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4122
4123         * ipa-struct-reorg.c (do_reorg_1): Fix whitespace in dump output.
4124
4125 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4126
4127         * c-decl.c (finish_decl): Use bool for variable was_incomplete.
4128         (finish_function): Remove erroneous whitespace.
4129
4130 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4131
4132         * tree-cfg.c (gimple_merge_blocks): Commentary typo fix.
4133         (verify_stmts): Print statement who's gimple_bb is set to a wrong BB
4134
4135 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4136
4137         * errors.c (internal_error): Commentary typo fix.
4138         * gimple-iterator.c (gsi_insert_seq_on_edge): Ditto.
4139         * tree-ssa-pre.c: Ditto.
4140
4141 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4142
4143         * basic-block.h (ENTRY_BLOCK, EXIT_BLOCK): Document that neither of
4144         them is supposed to hold actual statements.
4145
4146 2009-06-06  Ian Lance Taylor  <iant@google.com>
4147
4148         * doc/extend.texi (Attribute Syntax): Document that C++ labels on
4149         empty statements can now have attributes.
4150
4151 2009-06-05  Shujing Zhao  <pearly.zhao@oracle.com>
4152
4153         * config/mips/mips.c: Use REG_P and CONST_INT_P where applicable.
4154         * config/mips/mips.md: Ditto.
4155
4156 2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>
4157
4158         * config/rs6000/eabi.asm (__eabi_convert): Don't define if
4159         _RELOCATABLE.
4160         (__eabi_uconvert): Likewise.
4161
4162 2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>
4163
4164         * config/rs6000/ppc-asm.h: Protect auto-host.h inclusion and
4165         CFI_* definitions with IN_GCC.
4166
4167 2009-06-05  David Edelsohn  <edelsohn@gnu.org>
4168
4169         * xcoffout.h (xcoffout_source_line): Update prototype.
4170
4171 2009-06-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4172
4173         * builtins.c (do_mpc_ckconv, do_mpc_arg1): Use
4174         mpc_realref/mpc_imagref instead of MPC_RE/MPC_IM.
4175
4176 2009-06-05  Jakub Jelinek  <jakub@redhat.com>
4177
4178         PR middle-end/40340
4179         * tree-ssa-live.c (remove_unused_scope_block_p): Don't prune
4180         inlined_function_outer_scope_p blocks for artificial inlines
4181         even at -g0/-g1.
4182         * tree.c (tree_nonartificial_location): Rewrite using
4183         block_nonartificial_location.
4184
4185 2009-06-05  Revital Eres  <eres@il.ibm.com>
4186             Leehod Baruch  <leehod@il.ibm.com>
4187
4188         * expr.c (expand_assignment): Expand MISALIGNED_INDIRECT_REF.
4189         (expand_expr_real_1): Remove comment.
4190         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
4191         Vectorize misaligned access when the target supports it.
4192         (vect_supportable_dr_alignment): Check for unaligned access support.
4193         * tree-vect-stmts.c (vectorizable_store): Generate misaligned store
4194         and remove asset.
4195
4196 2009-06-05  Julian Brown  <julian@codesourcery.com>
4197
4198         * config/arm/ieee754-df.S (cmpdf2): Avoid writing below SP.
4199         * config/arm/ieee754-sf.S (cmpsf2): Likewise.
4200
4201 2009-06-05  Richard Guenther  <rguenther@suse.de>
4202
4203         PR bootstrap/40350
4204         * dwarf2out.c (dwarf2out_begin_function): Mark discriminator
4205         as possibly unused.
4206
4207 2009-06-05  Jakub Jelinek  <jakub@redhat.com>
4208
4209         * config/s390/s390.c (global_not_special_regno_p): New static inline.
4210         (save_gprs): Don't tell unwinder when a global register is saved.
4211         (s390_emit_epilogue): Emit needed epilogue unwind info.
4212
4213 2009-06-05  Alexandre Oliva  <aoliva@redhat.com>
4214
4215         * dwarf2out.c (deferred_asm_name): New.
4216         (add_name_and_src_coords_attributes): Defer creation of
4217         DW_AT_MIPS_linkage_name attribute if DECL_ASSEMBLER_NAME was not
4218         computed yet.
4219         (move_linkage_attr): New.
4220         (dwarf2out_finish): Revisit deferrals and emit attributes at the
4221         right place.
4222
4223 2009-06-05  Alexandre Oliva  <aoliva@redhat.com>
4224
4225         * tree-nested.c (finalize_nesting_tree_1): Declare the
4226         frame_decl in the binding tree.
4227
4228 2009-06-04  Cary Coutant  <ccoutant@google.com>
4229
4230         * basic-block.h (struct basic_block_def): Add discriminator field.
4231         * dbxout.c (dbxout_source_line): Add new parameter.  Change all
4232         callers.
4233         * debug.c (do_nothing_debug_hooks): Add additional entry.
4234         (debug_nothing_int_charstar_int): New function.
4235         * debug.h (struct gcc_debug_hooks): Add parameter to source_line hook.
4236         (debug_nothing_int_charstar_int): New declaration.
4237         * dwarf2out.c (dwarf2out_source_line): Add new parameter.  Write
4238         discriminator value in .loc directive.
4239         * final.c (last_discriminator): New variable.
4240         (discriminator): New variable.
4241         (final_start_function): Initialize above variables, pass current
4242         discriminator to debug hook.
4243         (notice_source_line): Check for discriminator change.
4244         * gimple-pretty-print.c (dump_bb_header): Print discriminator value.
4245         * sdbout.c (sdbout_source_line): New parameter.
4246         * tree-cfg.c (struct locus_discrim_map): New structure type.
4247         (discriminator_per_locus): New hash table.
4248         (build_gimple_cfg): Allocate and free discriminator hash table.
4249         (make_edges): Call assign_discriminator.
4250         (locus_map_hash): New function.
4251         (locus_map_eq): New function.
4252         (next_discriminator_for_locus): New function.
4253         (same_line_p): New function.
4254         (assign_discriminator): New function.
4255         (make_cond_expr_edges): Call assign_discriminator.
4256         (make_gimple_switch_edges): Likewise.
4257         (first_non_label_stmt): New function.
4258         * vmsdbgout.c (vmsdbgout_source_line): Add new parameter.  Change
4259         all callers.
4260         * xcoffout.c (xcoffout_source_line): Add new parameter.
4261
4262         * configure.ac (gcc_cv_as_discriminator): New configury check for
4263         gas support for discriminator.
4264         * configure: Regenerate.
4265         * config.in: Regenerate.
4266
4267 2009-06-04  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4268
4269         * config/arm/arm.c (thumb2_legitimate_index_p): Initialize
4270         val after checking for integers.
4271
4272 2009-06-04  Uros Bizjak  <ubizjak@gmail.com>
4273
4274         * config/i386/i386.h (X86_64_MS_REGPARM_MAX): Rename from
4275         X64_REGPARM_MAX.
4276         (REGPARM_MAX): Use X86_64_MS_REGPARM_MAX.
4277         (X86_64_MS_SSE_REGPARM_MAX): Rename from X64_SSE_REGPARM_MAX.
4278         (SSE_REGPARM_MAX): Use X86_64_MS_SSE_REGPARM_MAX.
4279         * config/i386/i386.c: Use X86_64_MS_REGPARM_MAX instead of
4280         X64_REGPARM_MAX.  Use X86_64_MS_SSE_REGPARM_MAX instead of
4281         X64_SSE_REGPARM_MAX.
4282         * config/i386/i386.md: Use X86_64_MS_SSE_REGPARM_MAX instead of
4283         X64_SSE_REGPARM_MAX.
4284
4285 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
4286
4287         * gcc.c (report_times_to_file): New.
4288         (execute): Implement it.
4289         (process_command): Support -time=.
4290         * doc/invoke.texi: Document it.
4291
4292 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
4293
4294         * tree-ssa-live.c (remove_unused_scope_block_p): Keep variables
4295         that have value exprs.
4296
4297 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
4298
4299         * dwarf2asm.c (dw2_force_const_mem): Defer creation of
4300         declarations for constants until...
4301         (dw2_output_indirect_constant_1): ... this point.
4302
4303 2009-06-04  Richard Earnshaw  <rearnsha@arm.com>
4304
4305         PR target/10242
4306         * arm.md (arm_addsi3): Don't try to split an add with an
4307         eliminable register until after reload has completed.
4308
4309 2009-06-03  Ian Lance Taylor  <iant@google.com>
4310
4311         * dummy-checksum.c (executable_checksum): Use EXPORTED_CONST.
4312         * genattrtab.c (write_length_unit_log): Likewise.
4313         * genchecksum.c (dosum): Likewise.
4314         * gengtype.c (write_rtx_next): Likewise.
4315         (finish_root_table, write_roots): Likewise.
4316         * gimple.c (gimple_ops_offset_): Likewise.
4317         * tree-nomudflap.c (gt_ggc_r_gt_tree_mudflap_h): Likewise.
4318         * config/arc/arc.c (arc_attribute_table): Likewise.
4319         * config/arm/arm.c (arm_attribute_table): Likewise.
4320         * config/avr/avr.c (avr_attribute_table): Likewise.
4321         * config/crx/crx.c (crx_attribute_table): Likewise.
4322         * config/m32r/m32r.c (m32r_attribute_table): Likewise.
4323         * config/m68hc11/m68hc11.c (m68hc11_attribute_table): Likewise.
4324         * config/mcore/mcore.c (mcore_attribute_table): Likewise.
4325         * config/rs6000/rs6000.c (rs6000_attribute_table): Likewise.
4326         * config/sh/sh.c (sh_attribute_table): Likewise.
4327         * config/sparc/sparc.c (sparc_attribute_table): Likewise.
4328         * config/spu/spu.c (spu_attribute_table): Likewise.
4329         * config/v850/v850.c (v850_attribute_table): Likewise.
4330
4331         * config/alpha/alpha.c (vms_attribute_table): Make static.
4332         * config/bfin/bfin.c (bfin_attribute_table): Likewise.
4333         * config/h8300/h8300.c (h8300_attribute_table): Likewise.
4334         * config/mips/mips.c (mips_attribute_table): Likewise.
4335
4336         * Makefile.in (dummy-checksum.o): Depend upon $(CONFIG_H) and
4337         $(SYSTEM_H).
4338         (cc1-checksum.o): Likewise.
4339
4340 2009-06-03  Steve Ellcey  <sje@cup.hp.com>
4341
4342         * config/ia64/vect.md (*movv2sf_internal): Handle big endian case.
4343
4344 2009-06-03  Jakub Jelinek  <jakub@redhat.com>
4345
4346         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Return generated
4347         insn if it is changing sp.  Use gen_add3_insn instead of
4348         conditionally gen_addsi3 and gen_adddi3.
4349         (offset_below_red_zone_p): New static inline function.
4350         (rs6000_emit_epilogue): Emit needed epilogue unwind info.
4351         Use gen_add3_insn instead of conditionally gen_addsi3 and gen_adddi3.
4352         * config/rs6000/ppc-asm.h: Include auto-host.h.
4353         (CFI_STARTPROC, CFI_ENDPROC, CFI_DEF_CFA_REGISTER, CFI_OFFSET,
4354         CFI_RESTORE): Define.
4355         * config/rs6000/crtresxgpr.asm: Add unwind info.
4356         * config/rs6000/crtresxfpr.asm: Likewise.
4357         * config/rs6000/crtresgpr.asm: Likewise.
4358         * config/rs6000/crtresfpr.asm: Likewise.
4359         * config/rs6000/crtsavgpr.asm: Likewise.
4360         * config/rs6000/crtsavfpr.asm: Likewise.
4361
4362         * dwarf2out.c (output_cfi_directive): Pass 1 instead of 0 to second
4363         argument of DWARF2_FRAME_REG_OUT macros.
4364
4365 2009-06-03  Julian Brown  <julian@codesourcery.com>
4366
4367         * config/arm/arm.c (arm_hard_regno_mode_ok): Permit values of four
4368         words or less (including TImode) in core registers.
4369
4370 2009-06-03  Richard Guenther  <rguenther@suse.de>
4371
4372         PR middle-end/40328
4373         * fold-const.c (fold_convert): Fold the build COMPLEX_EXPR.
4374
4375 2009-06-03  Andrey Belevantsev  <abel@ispras.ru>
4376
4377         * statistics.c (statistics_counter_event): Do not record event 
4378         in pass dump if its number == -1.
4379         (curr_statistics_hash): Add assert that we never get passes 
4380         with static number == -1.
4381
4382 2009-06-03  Richard Guenther  <rguenther@suse.de>
4383             Andrey Belevantsev  <abel@ispras.ru>
4384
4385         * cfgexpand.c (discover_nonconstant_array_refs_r): Make only 
4386         non-BLKmode arrays addressable.
4387
4388 2009-06-03  Maxim Kuvyrkov  <maxim@codesourcery.com>
4389
4390         * config/m68k/linux.h (HAVE_GAS_BALIGN_AND_P2ALIGN): Move to ...
4391         * config/m68k/m68k.h: ... here.
4392         * testsuite/gcc.dg/falign-labels.c (dg-options): Don't restrict for
4393         m68k and fido.
4394
4395 2009-06-03  Martin Jambor  <mjambor@suse.cz>
4396
4397         PR tree-optimization/40323
4398         * ipa-prop.c (get_ssa_def_if_simple_copy): Break if not single
4399         assignment.
4400
4401 2009-06-03  Richard Guenther  <rguenther@suse.de>
4402
4403         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
4404         consistently.
4405
4406 2009-06-03  Shujing Zhao  <pearly.zhao@oracle.com>
4407
4408         * config/sh/predicates.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
4409         JUMP_P, CALL_P, NONJUMP_INSN_P, NOTE_P, BARRIER_P and
4410         JUMP_TABLE_DATA_P where applicable.
4411         * config/sh/sh.c: Ditto.
4412         * config/sh/sh.h: Ditto.
4413         * config/sh/sh.md: Ditto.
4414         * config/sh/symbian.c: Ditto.
4415
4416 2009-06-03  Uros Bizjak  <ubizjak@gmail.com>
4417
4418         * config/i386/driver-i386.c (describe_cache): Optimize
4419         concatenation of strings.  Use snprintf instead of sprintf.
4420         (host_detect_local_cpu): Ditto.  Ignore -march and -mtune for native
4421         target when not compiling with GCC.
4422
4423 2009-06-02  Kaz Kojima  <kkojima@gcc.gnu.org>
4424
4425         * config/sh/sh.c: Revert last change.
4426         (sh_expand_epilogue): Emit a blockage insn before the frame
4427         pointer adjustment unconditionally.
4428
4429 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
4430
4431         * config/pa/pa-hpux.h (LINK_SPEC): Remove "%<fwhole-program".
4432         * config/pa/pa-hpux10.h (LINK_SPEC): Likewise.
4433         * config/pa/pa-hpux11.h (LINK_SPEC): Likewise.
4434         * gcc.c (set_collect_gcc_options): Don't add -fwhole-program
4435         to COLLECT_GCC_OPTIONS.
4436
4437 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
4438
4439         * collect2.c (target_system_root): New variable.
4440         (main): Handle --sysroot=.
4441         (ignore_library): Strip the sysroot from the library path.
4442
4443 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
4444
4445         * Makefile.in (COLLECT2_OBJS): Add collect2-aix.o.
4446         (collect2.o): Depend on collect2-aix.h.
4447         (collect2-aix.o): New rule.
4448         * collect2-aix.h: New file.
4449         * collect2-aix.c: Likewise.
4450         * collect2.c: Include collect2-aix.h.  Don't undefine
4451         OBJECT_FORMAT_COFF if CROSS_AIX_SUPPORT is defined.
4452         Guard native includes with #ifndef CROSS_DIRECTORY_STRUCTURE.
4453         Use TARGET_AIX_VERSION instead of _AIX51.
4454         * config/rs6000/aix43.h (TARGET_AIX_VERSION): Define.
4455         * config/rs6000/aix51.h (TARGET_AIX_VERSION): Likewise.
4456         * config/rs6000/aix52.h (TARGET_AIX_VERSION): Likewise.
4457         * config/rs6000/aix53.h (TARGET_AIX_VERSION): Likewise.
4458         * config/rs6000/aix61.h (TARGET_AIX_VERSION): Likewise.
4459
4460 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
4461
4462         * collect2.c (ignore_library): Avoid premature post-increment
4463         and null deference.
4464
4465 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
4466
4467         * Makefile.in (libgcc.mvars): Add TARGET_SYSTEM_ROOT.
4468         * config/rs6000/aix.h (LINK_SYSCALLS_SPEC): Add %R to the
4469         !CROSS_DIRECTORY_STRUCTURE alternative and use it for
4470         CROSS_DIRECTORY_STRUCTURE too.
4471         (LINK_LIBG_SPEC): Likewise.
4472         (LIB_SPEC): Add %R to sysroot paths.
4473         * config/rs6000/aix43.h (CPP_SPEC): Add %R to sysroot paths.
4474         (CPLUSPLUS_CPP_SPEC, LIB_SPEC): Likewise.
4475         * config/rs6000/aix51.h: As for aix43.h.
4476         * config/rs6000/aix52.h: Likewise.
4477         * config/rs6000/aix53.h: Likewise.
4478         * config/rs6000/aix61.h: Likewise.
4479         * config/rs6000/t-aix52 (SHLIB_LINK): Add $(TARGET_SYSTEM_ROOT)
4480         to the beginning of sysroot paths.
4481
4482 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
4483
4484         * print_rtl (print_rtx): Don't print modes in EXPR_LISTs and
4485         INSN_LISTs that are out of the REG_NOTE range.
4486
4487 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
4488
4489         * loop-unroll.c (struct iv_to_split): Add pointer to next.
4490         (struct var_to_expand): Likewise.
4491         (struct opt_info): Add head and tail for linked lists of the above.
4492         (analyze_insn_to_expand_var): Initialize next.
4493         (analyze_iv_to_split_insn): Likewise.
4494         (analyze_insns_in_loop): Create linked lists.
4495         (allocate_basic_variable): Simplify for use without hash table.
4496         (insert_var_expansion_initialization): Likewise, make it type-safer.
4497         (combine_var_copies_in_loop_exit): Likewise.
4498         (apply_opt_in_copies): Walk lists rather than hash tables.
4499         (release_var_copies): Simplified and inlined by hand into...
4500         (free_opt_info): ... this function.
4501
4502 2009-06-02  Richard Guenther  <rguenther@suse.de>
4503
4504         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
4505         for field decls.
4506
4507 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
4508
4509         * cfgexpand.c (gimple_expand_cfg): Discard the source location
4510         only for builtins that are not overridden.
4511
4512 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
4513
4514         * gengtype.c (adjust_field_rtx_def): Add NOTE_INSN_DELETED_LABEL's
4515         label string.
4516
4517 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
4518
4519         * df-core.c (df_ref_debug): Honor -fdump-noaddr.
4520
4521 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
4522
4523         * combine.c (move_deaths): Compare LUIDs within the same BB only.
4524
4525 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
4526
4527         * common.opt (fdump-unnumbered-links): New.
4528         * doc/invoke.texi (-fdump-unnumbered-links): Document it.
4529         * print-rtl.c (flag_dump_unnumbered_links): New.
4530         (print_rtx): Test it.
4531
4532 2009-06-02  Richard Earnshaw  <rearnsha@arm.com>
4533
4534         * arm.c (arm_get_frame_offsets): Prefer using r3 for padding a
4535         push/pop multiple to 8-byte alignment.
4536
4537 2009-06-01  Jakub Jelinek  <jakub@redhat.com>
4538
4539         * config/i386/i386.c (queued_cfa_restores): New static variable.
4540         (ix86_add_cfa_restore_note, ix86_add_queued_cfa_restore_notes): New
4541         functions.
4542         (pro_epilogue_adjust_stack): Call ix86_add_queued_cfa_restore_notes.
4543         (ix86_emit_restore_reg_using_pop): Add RED_OFFSET argument.
4544         Set RTX_FRAME_RELATED_P immediately after adding a REG_CFA_* note.
4545         Call ix86_add_cfa_restore_note instead of adding REG_CFA_OFFSET
4546         note unconditionally.
4547         (ix86_emit_restore_regs_using_mov): Likewise.
4548         (ix86_emit_restore_sse_regs_using_mov): Likewise.
4549         (ix86_emit_restore_regs_using_pop): Add RED_OFFSET argument, pass
4550         it through to ix86_emit_restore_reg_using_pop.
4551         (ix86_emit_leave): Add RED_OFFSET argument.  Call
4552         ix86_add_queued_cfa_restore_notes.  Call ix86_add_cfa_restore_note
4553         instead of adding REG_CFA_OFFSET note unconditionally.
4554         (ix86_expand_epilogue): Compute RED_OFFSET, pass it down to
4555         the above functions.  Call ix86_add_queued_cfa_restore_notes when
4556         needed.
4557
4558         * dwarf2out.c (dwarf2out_cfi_label): Add FORCE argument, if true,
4559         force output of the label even for dwarf2out_do_cfi_asm.
4560         (add_fde_cfi): If -g2 and above and cfi might change CFA,
4561         force creation of CFI label and chain DW_CFA_set_loc jumping to it
4562         for convert_cfa_to_fb_loc_list.  Adjust other dwarf2out_cfi_label
4563         caller.
4564         (dwarf2out_stack_adjust, dwarf2out_frame_debug,
4565         dwarf2out_begin_epilogue, dwarf2out_frame_debug_restore_state): Adjust
4566         dwarf2out_cfi_label callers.
4567         * tree.h (dwarf2out_cfi_label): Adjust prototype.
4568         * config/arm/arm.c (thumb_pushpop, thumb1_output_function_prologue):
4569         Adjust dwarf2out_cfi_label callers.
4570         * config/vax/vax.c (vax_output_function_prologue): Likewise.
4571
4572         * config/i386/i386.h (struct machine_cfa_state,
4573         struct machine_function): Guard with ifndef USED_FOR_TARGET
4574         instead of not IN_LIBGCC2 and not in IN_TARGET_LIBS.
4575
4576         PR other/40024
4577         * emutls.c (__emutls_get_address): Change arr->size to mean number
4578         of allocated arr->data entries instead of # of slots + 1.
4579
4580         PR middle-end/40316
4581         * recog.c (peep2_reinit_state): New function.
4582         (peephole2_init_state): Use it at the end of a basic block and also
4583         when seeing a RTX_FRAME_RELATED_P insn.
4584
4585 2009-06-01  Steve Ellcey  <sje@cup.hp.com>
4586
4587         * ia64.md (floatdirf2, fix_truncrfdi, floatunsdirf,
4588         fixuns_truncrfdi2): New.
4589         (fix_truncxfdi2_alts, fixuns_truncxfdi2_alts,
4590         *nmaddsf4_alts, *nmadddf4_alts, *nmadddf4_truncsf_alts,
4591         *mulxf3_alts, *mulxf3_truncsf_alts, *mulxf3_truncdf_alts,
4592         *maddxf4_alts, *maddxf4_alts_truncsf, *maddxf4_alts_truncdf,
4593         *nmaddxf4_alts, *nmaddxf4_truncsf_alts, *nmaddxf4_truncdf_alts,
4594         *recip_approx): Remove.
4595         (divsi3 modsi3, udivsi3, umodsi3, divsi3_internal, divdi3,
4596         moddi3, udivdi3, umoddi3, divdi3_internal_lat, divdi3_internal_thr,
4597         divsf3, sqrtsf2, divdf3, sqrtdf2, divxf3, sqrtxf2): Modify and
4598         move to div.md.
4599         * div.md (fix_truncrfdi2_alts, fixuns_truncrfdi2_alt,
4600         setf_exp_rf): New.
4601
4602 2009-06-01  Ian Lance Taylor  <iant@google.com>
4603
4604         * attribs.c (register_attribute): Use CONST_CAST.
4605         * collect2.c (main): Use CONST_CAST2.
4606         (scan_prog_file): Likewise.
4607         * gcc.c (process_command, main): Likewise.
4608         * toplev.c (toplev_main): Likewise.
4609
4610         * c-typeck.c (handle_warn_cast_qual): New static function,
4611         partially broken out of build_c_cast.
4612         (build_c_cast): Call handle_warn_cast_qual.
4613         * doc/invoke.texi (Warning Options): Document new effect of
4614         -Wcast-qual.
4615
4616 2009-06-01  Aldy Hernandez  <aldyh@redhat.com>
4617
4618         * diagnostic.c (diagnostic_build_prefix): Always print columns.
4619         (diagnostic_report_current_module): Print columns.
4620         * common.opt (flag_show_column): Enable by default.
4621
4622 2009-06-01  Luis Machado  <luisgpm@br.ibm.com>
4623
4624         * alias.c (find_base_term): Check for NULL term before returning.
4625
4626 2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
4627
4628         Revert due to PR40320:
4629         2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
4630         * calls.c (emit_library_call_value_1): Don't force_operand for move
4631         and push insns.
4632
4633 2009-06-01  Olivier Hainque  <hainque@adacore.com>
4634             Eric Botcazou  <ebotcazou@adacore.com>
4635
4636         * tree.h (CONSTRUCTOR_BITFIELD_P): True if NODE, a FIELD_DECL, is
4637         to be processed as a bitfield for constructor output purposes.
4638         * output.h (initializer_constant_valid_for_bitfield_p): Declare
4639         new function.
4640         * varasm.c (oc_local_state): New type, output_constructor
4641         local state to support communication with helpers.
4642         (oc_outer_state): New type, output_constructor outer state of
4643         relevance in recursive calls.
4644         (output_constructor_array_range): New output_constructor helper,
4645         extracted code for an array range element.
4646         (output_constructor_regular_field): New output_constructor helper,
4647         extracted code for an element that is not a bitfield.
4648         (output_constructor_bitfield): New output_constructor helper,
4649         extracted code for a bitfield element.  Accept an OUTER state
4650         argument for recursive processing.  Recurse on record or array
4651         CONSTRUCTOR values, possibly past noop conversions.
4652         (initializer_constant_valid_for_bitfield_p): New predicate.  Whether
4653         VALUE is a valid constant-valued expression for use in a static
4654         bit-field initializer.
4655         (output_constructor): Rework to use helpers.  Accept and honor an
4656         OUTER state argument for recursive calls.  Return total size.  Be
4657         prepared for nested constructors initializing bitfields.
4658         (output_constant): Feed OUTER in calls to output_constructor.
4659
4660 2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
4661
4662         * calls.c (emit_library_call_value_1): Don't force_operand for move
4663         and push insns.
4664
4665 2009-06-01  Nick Clifton  <nickc@redhat.com>
4666
4667         * doc/invoke.texi (IA-64 Options): Fix typo.
4668
4669 2009-06-01  Ira Rosen  <irar@il.ibm.com>
4670
4671         PR tree-optimization/39129
4672         * tree-vect-loop-manip.c (conservative_cost_threshold): Change the
4673         printed message.
4674         (vect_do_peeling_for_loop_bound): Use
4675         LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
4676         LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
4677         (vect_loop_versioning): Likewise.
4678         (vect_create_cond_for_alias_checks): Fix indentation.
4679         * tree-vectorizer.h (struct _loop_vec_info): Fix indentation of the
4680         macros.
4681         (LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT): Define.
4682         (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Likewise.
4683         * tree-vect-loop.c (vect_analyze_loop_form): Change "too many BBs" to
4684         "control flow in loop".
4685         (vect_estimate_min_profitable_iters): Use
4686         LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
4687         LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
4688         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
4689         (vect_create_data_ref_ptr): Don't mention array dimension in printing.
4690         * tree-vect-stmts.c (vectorizable_store): Replace the check that the
4691         statement belongs to a group of strided accesses with the exact code
4692         check.
4693         (vectorizable_load): Likewise.
4694         * tree-vect-slp.c (vect_analyze_slp_instance): Spell out "basic block".
4695         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
4696
4697 2009-06-01  Gerald Pfeifer  <gerald@pfeifer.com>
4698
4699         * config/freebsd-stdint.h: New file.
4700         * config.gcc (*-*-freebsd): Set use_gcc_stdint=wrap.
4701         Add freebsd-stdint.h to tm_file.
4702
4703 2009-06-01  Richard Earnshaw  <rearnsha@arm.com>
4704
4705         * arm/thumb2.md (thumb2_zero_extendhidi2): New insn and split.
4706         (thumb2_extendhidi2): Likewise.
4707
4708 2009-05-31  Ian Lance Taylor  <iant@google.com>
4709
4710         * regstat.c (regstat_n_sets_and_refs): Remove duplicate definition.
4711
4712 2009-05-31  Ian Lance Taylor  <iant@google.com>
4713
4714         * Makefile.in (except.o): Depend upon gt-except.h, not gt-$(EXCEPT_H).
4715         (ipa-cp.o): Depend upon $(FIBHEAP_H) and $(PARAMS_H).
4716         (ipa-reference.o): Depend upon gt-ipa-reference.h.
4717
4718 2009-05-31  Jason Merrill  <jason@redhat.com>
4719
4720         * tree-pretty-print.c (print_call_name): Take the callee, not the
4721         call itself.  Make non-static.  Use dump_function_name for functions.
4722         (dump_generic_node): Adjust.
4723         * diagnostic.h: Declare print_call_name.
4724         * gimple-pretty-print.c (dump_gimple_call): Use it.
4725
4726 2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>
4727
4728         * config/sh/sh.md (ashldi3_std): New define_expand.
4729         (ashldi3): Use it.
4730
4731 2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>
4732
4733         PR target/40313
4734         * config/sh/sh.c: Include debug.h.
4735         (sh_expand_epilogue): Emit a blockage insn before the frame
4736         pointer adjustment also when dwarf2out_do_frame returns true.
4737
4738 2009-05-31  Richard Earnshaw  <rearnsha@arm.com>
4739
4740         * arm/thumb2.md (thumb2_extendsidi2): Add a split sub-pattern.
4741         (thumb2_extendqidi2): New pattern.
4742
4743 2009-05-31  Ira Rosen  <irar@il.ibm.com>
4744
4745         * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1): Don't
4746         mark phis for renaming.
4747         * tree-vectorizer.c (vect_memsyms_to_rename): Remove.
4748         (vectorize_loops): Don't allocate and free vect_memsyms_to_rename.
4749         Call mark_sym_for_renaming.
4750         * tree-vectorizer.h (vect_memsyms_to_rename): Remove.
4751         * tree-vect-loop.c (vect_transform_loop): Remove
4752         vect_memsyms_to_rename initialization and a call to
4753         mark_set_for_renaming.
4754
4755 2009-05-31  Jakub Jelinek  <jakub@redhat.com>
4756
4757         PR middle-end/40304
4758         * config/i386/i386.c (pro_epilogue_adjust_stack): Mark insns
4759         frame related even if !set_cfa && style < 0.
4760
4761 2009-05-30  Kai Tietz  <kai.tietz@onevision.com>
4762
4763         * config/i386/mingw-tls.c: New file.
4764         * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Add mingw-tls.c file.
4765         * gthr-win32.h (MINGW32_SUPPORTS_MT_EH): Define it for targets
4766         defining _WIN32 but not __CYGWIN__.
4767
4768 2009-05-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4769
4770         * configure.ac: Add MPC support.
4771         
4772         * config.in, configure: Regenerate.     
4773
4774 2009-05-29  Richard Henderson  <rth@redhat.com>
4775
4776         * cfgcleanup.c (try_crossjump_to_edge): Only skip past
4777         NOTE_INSN_BASIC_BLOCK.
4778         * cfglayout.c (duplicate_insn_chain): Copy epilogue insn marks.
4779         Duplicate NOTE_INSN_EPILOGUE_BEG notes.
4780         * cfgrtl.c (can_delete_note_p): Allow NOTE_INSN_EPILOGUE_BEG
4781         to be deleted.
4782         * dwarf2out.c (struct cfa_loc): Change indirect field to bitfield,
4783         add in_use field.
4784         (add_cfi): Disable check redefining cfa away from drap.
4785         (lookup_cfa_1): Add remember argument; handle remember/restore.
4786         (lookup_cfa): Pass remember argument.
4787         (cfa_remember): New.
4788         (compute_barrier_args_size_1): Remove sibcall check.
4789         (dwarf2out_frame_debug_def_cfa): New.
4790         (dwarf2out_frame_debug_adjust_cfa): New.
4791         (dwarf2out_frame_debug_cfa_offset): New.
4792         (dwarf2out_frame_debug_cfa_register): New.
4793         (dwarf2out_frame_debug_cfa_restore): New.
4794         (dwarf2out_frame_debug): Handle REG_CFA_* notes.
4795         (dwarf2out_begin_epilogue): New.
4796         (dwarf2out_frame_debug_restore_state): New.
4797         (dw_cfi_oprnd1_desc): Handle DW_CFA_remember_state,
4798         DW_CFA_restore_state.
4799         (output_cfi_directive): Likewise.
4800         (convert_cfa_to_fb_loc_list): Likewise.
4801         (dw_cfi_oprnd1_desc): Handle DW_CFA_restore.
4802         * dwarf2out.h: Update.
4803         * emit-rtl.c (try_split): Don't split RTX_FRAME_RELATED_P.
4804         (copy_insn_1): Early out for null.
4805         * final.c (final_scan_insn): Call dwarf2out_begin_epilogue
4806         and dwarf2out_frame_debug_restore_state.
4807         * function.c (prologue, epilogue, sibcall_epilogue): Remove.
4808         (prologue_insn_hash, epilogue_insn_hash): New.
4809         (free_after_compilation): Adjust freeing accordingly.
4810         (record_insns): Create hash table if needed; push insns into
4811         hash instead of array.
4812         (maybe_copy_epilogue_insn): New.
4813         (contains): Search hash table instead of array.
4814         (sibcall_epilogue_contains): Remove.
4815         (thread_prologue_and_epilogue_insns): Split eh_return insns
4816         and mark them as epilogues.
4817         (reposition_prologue_and_epilogue_notes): Rewrite epilogue
4818         scanning in terms of basic blocks.
4819         * insn-notes.def (CFA_RESTORE_STATE): New.
4820         * jump.c (returnjump_p_1): Accept EH_RETURN.
4821         (eh_returnjump_p_1, eh_returnjump_p): New.
4822         * reg-notes.def (CFA_DEF_CFA, CFA_ADJUST_CFA, CFA_OFFSET,
4823         CFA_REGISTER, CFA_RESTORE): New.
4824         * rtl.def (EH_RETURN): New.
4825         * rtl.h (eh_returnjump_p, maybe_copy_epilogue_insn): Declare.
4826
4827         * config/bfin/bfin.md (UNSPEC_VOLATILE_EH_RETURN): Remove.
4828         (eh_return_internal): Use eh_return rtx; split w/ epilogue.
4829
4830         * config/i386/i386.c (gen_push): Update cfa state.
4831         (pro_epilogue_adjust_stack): Add set_cfa argument.  When true,
4832         add a CFA_ADJUST_CFA note.
4833         (ix86_dwarf_handle_frame_unspec): Remove.
4834         (ix86_expand_prologue): Update cfa state.
4835         (ix86_emit_restore_reg_using_pop): New.
4836         (ix86_emit_restore_regs_using_pop): New.
4837         (ix86_emit_leave): New.
4838         (ix86_emit_restore_regs_using_mov): Add CFA_RESTORE notes.
4839         (ix86_expand_epilogue): Add notes for unwinding the epilogue.
4840         * config/i386/i386.h (struct machine_cfa_state): New.
4841         (ix86_cfa_state): New.
4842         * config/i386/i386.md (UNSPEC_EH_RETURN): Remove.
4843         (eh_return_internal): Merge from eh_return_<mode>,
4844         use eh_return rtx, split w/ epilogue.
4845
4846 2009-05-29  Ian Lance Taylor  <iant@google.com>
4847
4848         * builtins.c (validate_gimple_arglist): Don't use va_arg with
4849         enum type.
4850         * calls.c (emit_library_call_value_1): Likewise.
4851
4852         * c-typeck.c (c_build_va_arg): New function.
4853         * c-tree.h (c_build_va_arg): Declare.
4854         * c-parser.c (c_parser_postfix_expression): Call c_build_va_arg
4855         instead of build_va_arg.
4856
4857 2009-05-29  Eric Botcazou  <ebotcazou@adacore.com>
4858
4859         * tree-ssa-loop-ivopts.c (strip_offset_1) <MULT_EXPR>: New case.
4860         (force_expr_to_var_cost) <NEGATE_EXPR>: Likewise.
4861         (ptr_difference_cost): Use affine combinations to compute it.
4862         (difference_cost): Likewise.
4863         (get_computation_cost_at): Compute more accurate cost for addresses
4864         if the ratio is a multiplier allowed in addresses.
4865         For non-addresses, consider that an additional offset or symbol is
4866         added only once.
4867
4868 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
4869
4870         * config/i386/i386.c (ix86_decompose_address): Avoid useless
4871         0 displacement.  Add 0 displacement if base is %[er]bp or %r13.
4872
4873         * config/i386/i386.md (prefix_data16, prefix_rep): Set to 0 for
4874         TYPE_SSE{MULADD,4ARG,IADD1,CVT1} by default.
4875         (prefix_rex): For UNIT_MMX don't imply the prefix by default
4876         if MODE_DI.
4877         (prefix_extra): Default to 2 for TYPE_SSE{MULADD,4ARG} and
4878         to 1 for TYPE_SSE{IADD1,CVT1}.
4879         (prefix_vex_imm8): Removed.
4880         (length_vex): Only pass 1 as second argument to
4881         ix86_attr_length_vex_default if prefix_extra is 0.
4882         (modrm): For TYPE_INCDEC only set to 0 if not TARGET_64BIT.
4883         (length): For prefix vex computation use length_immediate
4884         attribute instead of prefix_vex_imm8.
4885         (cmpqi_ext_3_insn, cmpqi_ext_3_insn_rex64,
4886         addqi_ext_1, addqi_ext_1_rex64, *testqi_ext_0, andqi_ext_0,
4887         *andqi_ext_0_cc, *iorqi_ext_0, *xorqi_ext_0, *xorqi_cc_ext_1,
4888         *xorqi_cc_ext_1_rex64): Override modrm attribute to 1.
4889         (extendsidi2_rex64, extendhidi2, extendqidi2, extendhisi2,
4890         *extendhisi2_zext, extendqihi2, extendqisi2, *extendqisi2_zext): Emit
4891         a space in between the operands.
4892         (*anddi_1_rex64, *andsi_1): Likewise.  Override prefix_rex to 1
4893         if one operand is 0xff and the other one si, di, bp or sp.
4894         (*andhi_1): Override prefix_rex to 1 if one operand is 0xff and the
4895         other one si, di, bp or sp.
4896         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Add mode attribute.
4897         (*ffssi_1, *ffsdi_1, ctzsi2, ctzdi2): Add
4898         type and mode attributes.
4899         (*bsr, *bsr_rex64, *bsrhi): Add type attribute.
4900         (*cmpfp_i_mixed, *cmpfp_iu_mixed): For TYPE_SSECOMI, clear
4901         prefix_rep attribute and set prefix_data16 attribute iff MODE_DF.
4902         (*cmpfp_i_sse, *cmpfp_iu_sse): Clear prefix_rep attribute and set
4903         prefix_data16 attribute iff MODE_DF.
4904         (*movsi_1): For TYPE_SSEMOV MODE_SI set prefix_data16 attribute.
4905         (fix_trunc<mode>di_sse): Set prefix_rex attribute.
4906         (*adddi_4_rex64, *addsi_4): Use const128_operand instead of
4907         constm128_operand in length_immediate computation.
4908         (*addhi_4): Likewise.  Fix mode attribute to MODE_HI.
4909         (anddi_1_rex64): Use movzbl/movzwl instead of movzbq/movzwq.
4910         (*avx_ashlti3, sse2_ashlti3, *avx_lshrti3, sse2_lshrti3): Set
4911         length_immediate attribute to 1.
4912         (x86_fnstsw_1, x86_fnstcw_1, x86_fldcw_1): Fix length attribute.
4913         (*movdi_1_rex64): Override prefix_rex or prefix_data16 attributes
4914         for certain alternatives.
4915         (*movdf_nointeger, *movdf_integer_rex64, *movdf_integer): Override
4916         prefix_data16 attribute if MODE_V1DF.
4917         (*avx_setcc<mode>, *sse_setcc<mode>, *sse5_setcc<mode>): Set
4918         length_immediate to 1.
4919         (set_got_rex64, set_rip_rex64): Remove length attribute, set
4920         length_address to 4, set mode attribute to MODE_DI.
4921         (set_got_offset_rex64): Likewise.  Set length_immediate to 0.
4922         (fxam<mode>2_i387): Set length attribute to 4.
4923         (*prefetch_sse, *prefetch_sse_rex, *prefetch_3dnow,
4924         *prefetch_3dnow_rex): Override length_address attribute.
4925         (sse4_2_crc32<mode>): Override prefix_data16 and prefix_rex
4926         attributes.
4927         * config/i386/predicates.md (ext_QIreg_nomode_operand): New predicate.
4928         (constm128_operand): Removed.
4929         * config/i386/i386.c (memory_address_length): For
4930         disp && !index && !base in 64-bit mode account for SIB byte if
4931         print_operand_address can't optimize disp32 into disp32(%rip)
4932         and UNSPEC doesn't imply (%rip) addressing.  Add 1 to length
4933         for fs: or gs: segment.
4934         (ix86_attr_length_immediate_default): When checking if shortform
4935         is possible, truncate immediate to the length of the non-shortened
4936         immediate.
4937         (ix86_attr_length_address_default): Ignore MEM_P operands
4938         with X constraint.
4939         (ix86_attr_length_vex_default): Only check for DImode on
4940         GENERAL_REG_P operands.
4941         * config/i386/sse.md (<sse>_comi, <sse>_ucomi): Clear
4942         prefix_rep attribute, set prefix_data16 attribute iff MODE_DF.
4943         (sse_cvttps2pi): Clear prefix_rep attribute.
4944         (sse2_cvttps2dq, *sse2_cvtpd2dq, sse2_cvtps2pd): Clear prefix_data16
4945         attribute.
4946         (*sse2_cvttpd2dq): Don't clear prefix_rep attribute.
4947         (*avx_ashr<mode>3, ashr<mode>3, *avx_lshr<mode>3, lshr<mode>3,
4948         *avx_ashl<mode>3, ashl<mode>3): Set length_immediate attribute to 1
4949         iff operand 2 is const_int_operand.
4950         (*vec_dupv4si, avx_shufpd256_1, *avx_shufpd_<mode>,
4951         sse2_shufpd_<mode>): Set length_immediate attribute to 1.
4952         (sse2_pshufd_1): Likewise.  Set prefix attribute to maybe_vex
4953         instead of vex.
4954         (sse2_pshuflw_1, sse2_pshufhw_1): Set length_immediate to 1 and clear
4955         prefix_data16.
4956         (sse2_unpckhpd, sse2_unpcklpd, sse2_storehpd, *vec_concatv2df): Set
4957         prefix_data16 attribute for movlpd and movhpd instructions.
4958         (sse2_loadhpd, sse2_loadlpd, sse2_movsd): Likewise.  Override
4959         length_immediate for shufpd instruction.
4960         (sse2_movntsi, sse3_lddqu): Clear prefix_data16 attribute.
4961         (avx_cmpp<avxmodesuffixf2c><mode>3,
4962         avx_cmps<ssemodesuffixf2c><mode>3, *avx_maskcmp<mode>3,
4963         <sse>_maskcmp<mode>3, <sse>_vmmaskcmp<mode>3,
4964         avx_shufps256_1, *avx_shufps_<mode>, sse_shufps_<mode>,
4965         *vec_dupv4sf_avx, *vec_dupv4sf): Set length_immediate attribute to 1.
4966         (*avx_cvtsi2ssq, *avx_cvtsi2sdq): Set length_vex attribute to 4.
4967         (sse_cvtsi2ssq, sse2_cvtsi2sdq): Set prefix_rex attribute to 1.
4968         (sse2_cvtpi2pd, sse_loadlps, sse2_storelpd): Override
4969         prefix_data16 attribute for the first alternative to 1.
4970         (*avx_loadlps): Override length_immediate for the first alternative.
4971         (*vec_concatv2sf_avx): Override length_immediate and prefix_extra
4972         attributes for second alternative.
4973         (*vec_concatv2sf_sse4_1): Override length_immediate and
4974         prefix_data16 attributes for second alternative.
4975         (*vec_setv4sf_avx, *avx_insertps, vec_extract_lo_<mode>,
4976         vec_extract_hi_<mode>, vec_extract_lo_v16hi,
4977         vec_extract_hi_v16hi, vec_extract_lo_v32qi,
4978         vec_extract_hi_v32qi): Set prefix_extra and length_immediate to 1.
4979         (*vec_setv4sf_sse4_1, sse4_1_insertps, *sse4_1_extractps): Set
4980         prefix_data16 and length_immediate to 1.
4981         (*avx_mulv2siv2di3, *avx_mulv4si3, sse4_2_gtv2di3): Set prefix_extra
4982         to 1.
4983         (*avx_<code><mode>3, *avx_eq<mode>3, *avx_gt<mode>3): Set
4984         prefix_extra attribute for variants that don't have 0f prefix alone.
4985         (*avx_pinsr<ssevecsize>): Likewise.  Set length_immediate to 1.
4986         (*sse4_1_pinsrb, *sse2_pinsrw, *sse4_1_pinsrd, *sse4_1_pextrb,
4987         *sse4_1_pextrb_memory, *sse2_pextrw, *sse4_1_pextrw_memory,
4988         *sse4_1_pextrd): Set length_immediate to 1.
4989         (*sse4_1_pinsrd): Likewise.  Set prefix_extra to 1.
4990         (*sse4_1_pinsrq, *sse4_1_pextrq): Set prefix_rex and length_immediate
4991         to 1.
4992         (*vec_extractv2di_1_rex64_avx, *vec_extractv2di_1_rex64,
4993         *vec_extractv2di_1_avx, *vec_extractv2di_1_sse2): Override
4994         length_immediate to 1 for second alternative.
4995         (*vec_concatv2si_avx, *vec_concatv2di_rex64_avx): Override
4996         prefix_extra and length_immediate attributes for the first
4997         alternative.
4998         (vec_concatv2si_sse4_1): Override length_immediate to 1 for the
4999         first alternative.
5000         (*vec_concatv2di_rex64_sse4_1): Likewise.  Override prefix_rex
5001         to 1 for the first and third alternative.
5002         (*vec_concatv2di_rex64_sse): Override prefix_rex to 1 for the second
5003         alternative.
5004         (*sse2_maskmovdqu, *sse2_maskmovdqu_rex64): Override length_vex
5005         attribute.
5006         (*sse_sfence, sse2_mfence, sse2_lfence): Override length_address
5007         attribute to 0.
5008         (*avx_phaddwv8hi3, *avx_phadddv4si3, *avx_phaddswv8hi3,
5009         *avx_phsubwv8hi3, *avx_phsubdv4si3, *avx_phsubswv8hi,
5010         *avx_pmaddubsw128, *avx_pmulhrswv8hi3, *avx_pshufbv16qi3,
5011         *avx_psign<mode>3): Set prefix_extra attribute to 1.
5012         (ssse3_phaddwv4hi3, ssse3_phadddv2si3, ssse3_phaddswv4hi3,
5013         ssse3_phsubwv4hi3, ssse3_phsubdv2si3, ssse3_phsubswv4hi3,
5014         ssse3_pmaddubsw, *ssse3_pmulhrswv4hi, ssse3_pshufbv8qi3,
5015         ssse3_psign<mode>3): Override prefix_rex attribute.
5016         (*avx_palignrti): Override prefix_extra and length_immediate to 1.
5017         (ssse3_palignrti): Override length_immediate to 1.
5018         (ssse3_palignrdi): Override length_immediate to 1, override
5019         prefix_rex attribute.
5020         (abs<mode>2): Override prefix_rep to 0, override prefix_rex attribute.
5021         (sse4a_extrqi): Override length_immediate to 2.
5022         (sse4a_insertqi): Likewise.  Override prefix_data16 to 0.
5023         (sse4a_insertq): Override prefix_data16 to 0.
5024         (avx_blendp<avxmodesuffixf2c><avxmodesuffix>,
5025         avx_blendvp<avxmodesuffixf2c><avxmodesuffix>,
5026         avx_dpp<avxmodesuffixf2c><avxmodesuffix>, *avx_mpsadbw,
5027         *avx_pblendvb, *avx_pblendw, avx_roundp<avxmodesuffixf2c>256,
5028         avx_rounds<avxmodesuffixf2c>256): Override prefix_extra
5029         and length_immediate to 1.
5030         (sse4_1_blendp<ssemodesuffixf2c>, sse4_1_dpp<ssemodesuffixf2c>,
5031         sse4_2_pcmpestr, sse4_2_pcmpestri, sse4_2_pcmpestrm,
5032         sse4_2_pcmpestr_cconly, sse4_2_pcmpistr, sse4_2_pcmpistri,
5033         sse4_2_pcmpistrm, sse4_2_pcmpistr_cconly): Override prefix_data16
5034         and length_immediate to 1.
5035         (sse4_1_blendvp<ssemodesuffixf2c>): Override prefix_data16 to 1.
5036         (sse4_1_mpsadbw, sse4_1_pblendw): Override length_immediate to 1.
5037         (*avx_packusdw, avx_vtestp<avxmodesuffixf2c><avxmodesuffix>,
5038         avx_ptest256): Override prefix_extra to 1.
5039         (sse4_1_roundp<ssemodesuffixf2c>, sse4_1_rounds<ssemodesuffixf2c>):
5040         Override prefix_data16 and length_immediate to 1.
5041         (sse5_pperm_zero_v16qi_v8hi, sse5_pperm_sign_v16qi_v8hi,
5042         sse5_pperm_zero_v8hi_v4si, sse5_pperm_sign_v8hi_v4si,
5043         sse5_pperm_zero_v4si_v2di, sse5_pperm_sign_v4si_v2di,
5044         sse5_vrotl<mode>3, sse5_ashl<mode>3, sse5_lshl<mode>3): Override
5045         prefix_data16 to 0 and prefix_extra to 2.
5046         (sse5_rotl<mode>3, sse5_rotr<mode>3): Override length_immediate to 1.
5047         (sse5_frcz<mode>2, sse5_vmfrcz<mode>2): Don't override prefix_extra
5048         attribute.
5049         (*sse5_vmmaskcmp<mode>3, sse5_com_tf<mode>3,
5050         sse5_maskcmp<mode>3, sse5_maskcmp<mode>3, sse5_maskcmp_uns<mode>3):
5051         Override prefix_data16 and prefix_rep to 0, length_immediate to 1
5052         and prefix_extra to 2.
5053         (sse5_maskcmp_uns2<mode>3, sse5_pcom_tf<mode>3): Override
5054         prefix_data16 to 0, length_immediate to 1 and prefix_extra to 2.
5055         (*avx_aesenc, *avx_aesenclast, *avx_aesdec, *avx_aesdeclast,
5056         avx_vpermilvar<mode>3,
5057         avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>,
5058         avx_vbroadcastss256, avx_vbroadcastf128_p<avxmodesuffixf2c>256,
5059         avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>,
5060         avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>):
5061         Override prefix_extra to 1.
5062         (aeskeygenassist, pclmulqdq): Override length_immediate to 1.
5063         (*vpclmulqdq, avx_vpermil<mode>, avx_vperm2f128<mode>3,
5064         vec_set_lo_<mode>, vec_set_hi_<mode>, vec_set_lo_v16hi,
5065         vec_set_hi_v16hi, vec_set_lo_v32qi, vec_set_hi_v32qi): Override
5066         prefix_extra and length_immediate to 1.
5067         (*avx_vzeroall, avx_vzeroupper, avx_vzeroupper_rex64): Override
5068         modrm to 0.
5069         (*vec_concat<mode>_avx): Override prefix_extra and length_immediate
5070         to 1 for the first alternative.
5071         * config/i386/mmx.md (*mov<mode>_internal_rex64): Override
5072         prefix_rep, prefix_data16 and/or prefix_rex attributes in certain
5073         cases.
5074         (*mov<mode>_internal_avx, *movv2sf_internal_rex64,
5075         *movv2sf_internal_avx, *movv2sf_internal): Override
5076         prefix_rep attribute for certain alternatives.
5077         (*mov<mode>_internal): Override prefix_rep or prefix_data16
5078         attributes for certain alternatives.
5079         (*movv2sf_internal_rex64_avx): Override prefix_rep and length_vex
5080         attributes for certain alternatives.
5081         (*mmx_addv2sf3, *mmx_subv2sf3, *mmx_mulv2sf3,
5082         *mmx_<code>v2sf3_finite, *mmx_<code>v2sf3, mmx_rcpv2sf2,
5083         mmx_rcpit1v2sf3, mmx_rcpit2v2sf3, mmx_rsqrtv2sf2, mmx_rsqit1v2sf3,
5084         mmx_haddv2sf3, mmx_hsubv2sf3, mmx_addsubv2sf3,
5085         *mmx_eqv2sf3, mmx_gtv2sf3, mmx_gev2sf3, mmx_pf2id, mmx_pf2iw,
5086         mmx_pi2fw, mmx_floatv2si2, mmx_pswapdv2sf2, *mmx_pmulhrwv4hi3,
5087         mmx_pswapdv2si2): Set prefix_extra attribute to 1.
5088         (mmx_ashr<mode>3, mmx_lshr<mode>3, mmx_ashl<mode>3): Set
5089         length_immediate to 1 if operand 2 is const_int_operand.
5090         (*mmx_pinsrw, mmx_pextrw, mmx_pshufw_1, *vec_dupv4hi,
5091         *vec_extractv2si_1): Set length_immediate attribute to 1.
5092         (*mmx_uavgv8qi3): Override prefix_extra attribute to 1 if
5093         using old 3DNOW insn rather than SSE/3DNOW_A.
5094         (mmx_emms, mmx_femms): Clear modrm attribute.
5095
5096 2009-05-29  Martin Jambor  <mjambor@suse.cz>
5097
5098         * tree-sra.c:  New implementation of SRA.
5099
5100         * params.def (PARAM_SRA_MAX_STRUCTURE_SIZE): Removed.
5101         (PARAM_SRA_MAX_STRUCTURE_COUNT): Removed.
5102         (PARAM_SRA_FIELD_STRUCTURE_RATIO): Removed.
5103         * params.h (SRA_MAX_STRUCTURE_SIZE): Removed.
5104         (SRA_MAX_STRUCTURE_COUNT): Removed.
5105         (SRA_FIELD_STRUCTURE_RATIO): Removed.
5106         * doc/invoke.texi (sra-max-structure-size): Removed.
5107         (sra-field-structure-ratio): Removed.
5108
5109 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
5110
5111         PR middle-end/40291
5112         * builtins.c (expand_builtin_memcmp): Convert len to sizetype
5113         before expansion.
5114
5115 2009-05-29  Andrey Belevantsev  <abel@ispras.ru>
5116
5117         PR rtl-optimization/40101
5118         * sel-sched-ir.c (get_seqno_by_preds): Allow returning negative
5119         seqno.  Adjust comment.
5120         * sel-sched.c (find_seqno_for_bookkeeping): Assert that when 
5121         inserting bookkeeping before a jump, the jump is not scheduled.
5122         When no positive seqno found, provide a value.  Add comment.
5123
5124 2009-05-29  Richard Guenther  <rguenther@suse.de>
5125
5126         * tree-ssa-alias.c (nonaliasing_component_refs_p): Remove
5127         short-cutting on the first component.
5128
5129 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
5130
5131         PR middle-end/39958
5132         * omp-low.c (scan_omp_1_op): Call remap_type on TREE_TYPE
5133         for trees other than decls/types.
5134
5135 2009-05-29  Richard Guenther  <rguenther@suse.de>
5136
5137         * tree-ssa-operands.c (get_expr_operands): Do not handle
5138         INDIRECT_REFs in the handled-component case.  Remove
5139         unused get_ref_base_and_extent case.
5140         * tree-dfa.c (get_ref_base_and_extent): Avoid calling
5141         tree_low_cst and host_integerp where possible.
5142         * tree-ssa-structalias.c (equiv_class_label_eq): Check hash
5143         codes for equivalence.
5144         * dce.c (find_call_stack_args): Avoid redundant bitmap queries.
5145
5146 2009-05-29  David Billinghurst <billingd@gcc.gnu.org>
5147
5148         * config.gcc: Add i386/t-fprules-softfp and soft-fp/t-softfp
5149         to tmake_file for i[34567]86-*-cygwin*. 
5150
5151 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
5152
5153         PR target/40017
5154         * config/rs6000/rs6000-c.c (_Bool_keyword): New variable.
5155         (altivec_categorize_keyword, init_vector_keywords,
5156         rs6000_cpu_cpp_builtins): Define _Bool as conditional macro
5157         similar to bool.
5158
5159 2009-05-29  Kai Tietz  <kai.tietz@onevision.com>
5160
5161         * tree.c (handle_dll_attribute): Check if node is
5162         of kind FUNCTION_DECL for DECL_DECLARED_INLINE_P check.
5163
5164 2009-05-29  Richard Earnshaw  <rearnsha@arm.com>
5165
5166         * config/arm/thumb2.md (thumb2_zero_extendsidi2): Add a split
5167         component.
5168         (thumb2_zero_extendqidi2): Likewise.
5169
5170 2009-05-28  Kaz Kojima  <kkojima@gcc.gnu.org>
5171
5172         * config/sh/sh.c (sh_expand_t_scc): Use gen_xorsi3_movrt
5173         instead of gen_movrt.
5174         * config/sh/sh.md (movrt): Remove.
5175
5176 2009-05-28  Steve Ellcey  <sje@cup.hp.com>
5177
5178         * doc/invoke.texi (IA-64 Options):
5179         Add -msdata, -mfused-madd, -mno-inline-float-divide, 
5180         -mno-inline-int-divide, -mno-inline-sqrt, -msched-spec-ldc,
5181         -msched-spec-control-ldc, -msched-prefer-non-data-spec-insns,
5182         -msched-prefer-non-control-spec-insns,
5183         -msched-stop-bits-after-every-cycle,
5184         -msched-count-spec-in-critical-path,
5185         -msel-sched-dont-check-control-spec, -msched-fp-mem-deps-zero-cost
5186         -msched-max-memory-insns-hard-limit, -msched-max-memory-insns.
5187         Remove -mt, -pthread, -msched-ldc, -mno-sched-control-ldc,
5188         and -msched-spec-verbose.
5189
5190 2009-05-28  Joseph Myers  <joseph@codesourcery.com>
5191
5192         * config/arm/lib1funcs.asm (__clear_cache): Define if L_clear_cache.
5193         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define to give an
5194         error if used.
5195         * config/arm/t-linux-eabi (LIB1ASMFUNCS): Add _clear_cache.
5196
5197 2009-05-28  Richard Guenther  <rguenther@suse.de>
5198
5199         * tree-ssa-alias.c (ao_ref_init): New function.
5200         (ao_ref_base): Likewise.
5201         (ao_ref_base_alias_set): Likewise.
5202         (ao_ref_alias_set): Likewise.
5203         (refs_may_alias_p_1): Change signature.
5204         (refs_may_alias_p): Adjust.
5205         (refs_anti_dependent_p): Likewise.
5206         (refs_output_dependent_p): Likewise.
5207         (call_may_clobber_ref_p_1): Change signature.
5208         (call_may_clobber_ref_p): Adjust.
5209         (stmt_may_clobber_ref_p_1): New function split out from ...
5210         (stmt_may_clobber_ref_p): ... here.
5211         (maybe_skip_until): Adjust signature.
5212         (get_continuation_for_phi): Likewise.
5213         (walk_non_aliased_vuses): Likewise.
5214         * tree-ssa-alias.h (struct ao_ref_s): New structure type.
5215         (ao_ref_init): Declare.
5216         (ao_ref_base): Likewise.
5217         (ao_ref_alias_set): Likewise.
5218         (stmt_may_clobber_ref_p_1): Likewise.
5219         (walk_non_aliased_vuses): Adjust.
5220         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): New function.
5221         (get_ref_from_reference_ops): remove.
5222         (vn_reference_lookup_2): Adjust signature.
5223         (vn_reference_lookup_3): Do not re-build trees.  Handle unions.
5224         (vn_reference_lookup_pieces): Adjust signature, do not re-build trees.
5225         (vn_reference_lookup): Adjust.
5226         (vn_reference_insert): Likewise.
5227         (vn_reference_insert_pieces): Adjust signature.
5228         (visit_reference_op_call): Adjust.
5229         * tree-ssa-pre.c (get_expr_type): Simplify.
5230         (phi_translate_1): Adjust.
5231         (compute_avail): Likewise.
5232         (translate_vuse_through_block): Do not re-build trees.
5233         (value_dies_in_block_x): Likewise.
5234         * tree-ssa-sccvn.h (struct vn_reference_s): Add type and alias-set
5235         fields.
5236         (vn_reference_lookup_pieces): Adjust declaration.
5237         (vn_reference_insert_pieces): Likewise.
5238
5239 2009-05-28  Benjamin Kosnik  <bkoz@redhat.com>
5240
5241         * tree-ssa-copy.c (replace_exp_1): Move op for warning-free use
5242         with checking disabled.
5243
5244 2009-05-28  Dave Korn  <dave.korn.cygwin@gmail.com>
5245
5246         PR target/37216
5247
5248         * configure.ac (HAVE_GAS_ALIGNED_COMM):  Add autoconf test and
5249         macro definition for support of three-operand format aligned
5250         .comm directive in assembler on cygwin/pe/mingw target OS.
5251         * configure:  Regenerate.
5252         * config.h:  Regenerate.
5253
5254         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common):  Use
5255         aligned form of .comm directive if -mpe-aligned-commons is in effect.
5256         * config/i386/cygming.opt (-mpe-aligned-commons):  Add new option.
5257
5258         * doc/invoke.texi (-mpe-aligned-commons):  Document new target option.
5259         * doc/tm.texi (ASM_OUTPUT_COMMON):  Document zero size commons.
5260
5261 2009-05-28  Ira Rosen  <irar@il.ibm.com>
5262
5263         PR tree-optimization/40254
5264         * tree-data-ref.c (dr_analyze_innermost): Take POFFSET into account
5265         in analysis of basic blocks.
5266
5267 2009-05-28  Adam Nemet  <anemet@caviumnetworks.com>
5268
5269         PR middle-end/33699
5270         * target.h (struct gcc_target): Fix indentation.  Add const_anchor.
5271         * target-def.h (TARGET_CONST_ANCHOR): New macro.
5272         (TARGET_INITIALIZER): Use it.
5273         * cse.c (CHEAPER): Move it up to the other macros.
5274         (insert): Rename this ...
5275         (insert_with_costs): ... to this.  Add cost parameters.  Update
5276         function comment.
5277         (insert): New function.  Call insert_with_costs.
5278         (compute_const_anchors, insert_const_anchor, insert_const_anchors,
5279         find_reg_offset_for_const, try_const_anchors): New functions.
5280         (cse_insn): Call try_const_anchors.  Adjust cost of src_related
5281         when using a const-anchor.  Call insert_const_anchors.
5282         * config/mips/mips.c (mips_set_mips16_mode): Set targetm.const_anchor.
5283         * doc/tm.texi (Misc): Document TARGET_CONST_ANCHOR.
5284
5285 2009-05-28  Alexandre Oliva  <aoliva@redhat.com>
5286
5287         * tree-inline.c (remap_decls): Enable nonlocalized variables
5288         when not optimizing.
5289
5290 2009-05-28  Alexandre Oliva  <aoliva@redhat.com>
5291
5292         * tree-ssa-live.c (remove_unused_locals): Skip when not optimizing.
5293         Simplify other tests involving optimize.
5294
5295 2009-05-27  Tom Tromey  <tromey@redhat.com>
5296
5297         * unwind-dw2.c (_Unwind_DebugHook): New function.
5298         (uw_install_context): Call _Unwind_DebugHook.
5299
5300 2009-05-27  Tom Tromey  <tromey@redhat.com>
5301
5302         * system.h (CONST_CAST2): Use C++ const_cast when compiled as C++
5303
5304 2009-05-27  Ian Lance Taylor  <iant@google.com>
5305
5306         * Makefile.in (LINKER, LINKER_FLAGS): Define.
5307         (LINKER_FOR_BUILD, BUILD_LINKERFLAGS): Define.
5308         (ALL_LINKERFLAGS): Define.
5309         (xgcc$(exeext)): Change $(COMPILER) to $(LINKER).
5310         (cpp$(exeext), cc1-dummy$(exeext), cc1$(exeext)): Likewise.
5311         (collect2$(exeext), mips-tfile, mips-tdump): Likewise.
5312         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
5313         (build/gen%$(build_exeext)): Change $(COMPILER_FOR_BUILD) to
5314         $(LINKER_FOR_BUILD).
5315         (build/gcov-iov$(build_exeext)): Likewise.
5316
5317 2009-05-27  Julian Brown  <julian@codesourcery.com>
5318
5319         * gcse.c (target.h): Include.
5320         (can_assign_to_reg_without_clobbers_p): Check that the target allows
5321         copy of argument to a pseudo register.
5322
5323 2009-05-27  Diego Novillo  <dnovillo@google.com>
5324
5325         * tree-ssa-live.c (dump_scope_block): Document arguments.
5326         (dump_scope_blocks): Document.
5327         (debug_scope_blocks): New.
5328         * tree-flow.h (debug_scope_blocks): Declare.
5329
5330 2009-05-21  Denis Chertykov  <denisc@overta.ru>
5331
5332         * doc/contrib.texi (Contributors): Add myself to the list.
5333
5334 2009-05-27  Olivier Hainque  <hainque@adacore.com>
5335
5336         * expr.c (target_align): New function.  Alignment the TARGET of an
5337         assignment may be assume to have.
5338         (highest_pow2_factor_for_target): Use it instead of relying on
5339         immediate tree attributes of TARGET, not necessarily honored when
5340         intermediate bitfields are involved.
5341         
5342 2009-05-27  H.J. Lu  <hongjiu.lu@intel.com>
5343
5344         PR target/40266
5345         * config/i386/driver-i386.c (host_detect_local_cpu): Support
5346         AVX, SSE4, AES, PCLMUL and POPCNT.
5347
5348 2009-05-27  Diego Novillo  <dnovillo@google.com>
5349
5350         * tree-pretty-print.c (dump_location): New.
5351         (dump_generic_node): Call it.
5352         Factor code to handle BLOCK nodes ...
5353         (dump_block_node): ... here.
5354
5355 2009-05-27  Rafael Avila de Espindola  <espindola@google.com>
5356
5357         * Makefile.in (GCC_PLUGIN_H): New. Replace all uses of gcc-plugin.h
5358         with it.
5359         * doc/plugins.texi: Document that gcc-plugin.h must be the first to be
5360         included.
5361         * gcc-plugin.h: Include config.h and system.h.
5362         (IN_GCC): Define if not defined.
5363
5364 2009-05-27  Hans-Peter Nilsson  <hp@axis.com>
5365
5366         PR middle-end/40249
5367         * Makefile.in (CRTSTUFF_CFLAGS): Replace -fno-inline-functions
5368         with -fno-inline.
5369
5370 2009-05-27  Shujing Zhao  <pearly.zhao@oracle.com>
5371
5372         * config/m32r/m32r.c: Use REG_P, MEM_P and CONST_INT_P where
5373         applicable.
5374         * config/m32r/m32r.h: Ditto.
5375         * config/m32r/m32r.md: Ditto.
5376         * config/m32r/predicates.md: Ditto.
5377
5378 2009-05-27  Alexandre Oliva  <aoliva@redhat.com>
5379
5380         * cgraph.c (dump_cgraph_node): Honor -fdump-noaddr.
5381
5382 2009-05-26  Basile Starynkevitch  <basile@starynkevitch.net>
5383
5384         * doc/plugins.texi
5385         (Loading plugins): typo.
5386         (Plugin callbacks): Documented PLUGIN_INFO, PLUGIN_GGC_START,
5387         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
5388         (Interacting with the GCC Garbage Collector): Added new section.
5389         (Giving information about a plugin): Added new section for
5390         PLUGIN_INFO.
5391         * ggc.h (ggc_register_root_tab): Added declaration.
5392         * gcc-plugin.h (PLUGIN_GGC_START, PLUGIN_GGC_MARKING)
5393         (PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS): Added new events.
5394         (register_callback): Improved comment in declaration.
5395         * ggc-common.c (const_ggc_root_tab_t) Added new typedef for vectors.
5396         (extra_root_vec) Added static variable for dynamic roots registration.
5397         (ggc_register_root_tab) Added new routine.
5398         (ggc_mark_roots) Added iteration inside extra_root_vec, and invoke
5399         PLUGIN_GGC_MARKING event.
5400         * ggc-zone.c: Include plugin.h.
5401         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
5402         * ggc-page.c: Include plugin.h.
5403         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
5404         * plugin.c (plugin_event_name): added names of PLUGIN_GGC_START,
5405         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS
5406         (register_callback): check lack of callbacks for
5407         pseudo-events. Added handling of PLUGIN_REGISTER_GGC_ROOTS,
5408         PLUGIN_GGC_START, PLUGIN_GGC_MARKING, PLUGIN_GGC_END.
5409         (invoke_plugin_callbacks): Handle PLUGIN_GGC_START,
5410         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
5411         * Makefile.in (ggc-common.o, ggc-zone.o, ggc-page.o): Added
5412         dependency on plugin.h.
5413         (plugin.o): Added dependency on ggc.h...
5414
5415 2009-05-26  Richard Guenther  <rguenther@suse.de>
5416
5417         PR middle-end/40248
5418         Revert
5419         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
5420         with mismatched comparison modes.
5421
5422         * expr.c (expand_expr_real_1): Expand the operand of a
5423         VIEW_CONVERT_EXPR in its natural mode.
5424
5425 2009-05-26  Ian Lance Taylor  <iant@google.com>
5426
5427         * Makefile.in (COMPILER, COMPILER_FLAGS): Define.
5428         (COMPILER_FOR_BUILD, BUILD_COMPILERFLAGS): Define.
5429         (ALL_COMPILERFLAGS): Define.
5430         (.c.o, xgcc$(exeext), cpp$(exeext)): Use $(COMPILER).
5431         (cc1-dummy$(exeext), cc1$(exeext)): Likewise.
5432         (collect2$(exeext), collect2.o): Likewise.
5433         (c-opts.o, c-cppbuiltin.o, c-pch.o, gcc.o, gccspec.o): Likewise.
5434         (gcc-options.o, version.o, prefix.o, toplev.o): Likewise.
5435         ($(out_object_file), mips-tfile, mips-tdump): Likewise.
5436         (libbackend.o, intl.o, cppdefault.o): Likewise.
5437         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
5438         (build/%.o): Use $(COMPILER_FOR_BUILD).
5439         (build/gen%$(build_exeext)): Likewise.
5440         (build/gcov-iov$(build_exeext)): LIkewise.
5441         * config/t-darwin (darwin.o): Use $(COMPILER).
5442         (darwin-c.o, darwin-f.o, darwin-driver.o): Likewise.
5443         * config/t-sol2 (sol2-c.o): Likewise.
5444         (sol2.o): Likewise.
5445         * config/t-vxworks (vxworks.o): Likewise.
5446         * config/x-darwin (host-darwin.o): Likewise.
5447         * config/x-hpux (host-hpux.o): Likewise.
5448         * config/x-linux (host-linux.o): Likewise.
5449         * config/x-solaris (host-solaris.o): Likewise.
5450         * config/alpha/x-alpha (driver-alpha.o): Likewise.
5451         * config/arm/t-arm (arm-c.o): Likewise.
5452         * config/arm/t-pe (pe.o): Likewise.
5453         * config/arm/t-wince-pe (pe.o): Likewise.
5454         * config/i386/t-cygming (winnt.o): Likewise.
5455         (winnt-cxx.o, winnt-stubs.o, msformat-c.o): Likewise.
5456         * config/i386/t-cygwin (cygwin1.o): Likewise.
5457         (cygwin2.o): Likewise.
5458         * config/i386/t-i386 (i386-c.o): Likewise.
5459         * config/i386/t-interix (winnt.o): Likewise.
5460         * config/i386/t-netware (netware.o): Likewise.
5461         * config/i386/t-nwld (nwld.o): Likewise.
5462         * config/i386/x-darwin (host-i386-darwin.o): Likewise.
5463         * config/i386/x-i386 (driver-i386.o): Likewise.
5464         * config/i386/x-cygwin (host-cygwin.o): Likewise.
5465         * config/i386/x-mingw32 (host-mingw32.o): Likewise.
5466         * config/ia64/t-ia64 (ia64-c.o): Likewise.
5467         * config/m32c/t-m32c (m32c-pragma.o): Likewise.
5468         * config/mips/x-native (driver-native.o): Likewise.
5469         * config/rs6000/t-rs6000 (rs6000-c.o): Likewise.
5470         * config/rs6000/x-darwin (host-ppc-darwin.o): Likewise.
5471         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Likewise.
5472         * config/rs6000/x-rs6000 (driver-rs6000.o): Likewise.
5473         * config/score/t-score-elf (score7.o): Likewise.
5474         (score3.o): Likewise.
5475         * config/sh/t-sh (sh-c.o): Likewise.
5476         * config/sh/t-symbian (sh-c.o): Likewise.
5477         (symbian.o): Likewise.
5478         * config/spu/t-spu-elf (spu-c.o): Likewise.
5479         * config/v850/t-v850 (v850-c.o): Likewise.
5480         * config/v850/t-v850e (v850-c.o): Likewise.
5481
5482 2009-05-26  Richard Guenther  <rguenther@suse.de>
5483
5484         PR tree-optimization/40122
5485         * tree-ssa-ccp.c (ccp_fold): Fold vector CONSTRUCTORs to
5486         VECTOR_CSTs if possible.
5487         (fold_gimple_assign): Likewise.
5488
5489 2009-05-26  Richard Guenther  <rguenther@suse.de>
5490
5491         PR middle-end/40252
5492         * fold-const.c (fold_binary): Use the correct types for building
5493         rotates.
5494
5495 2009-05-26  Richard Guenther  <rguenther@suse.de>
5496
5497         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove
5498         redundant calls to merge_alias_info.
5499         (bump_vector_ptr): Likewise.
5500         * tree-ssa-copy.c (merge_alias_info): Remove.
5501         (replace_exp_1): Remove call to merge_alias_info.
5502         (propagate_tree_value): Likewise.
5503         (fini_copy_prop): Propagate points-to info.
5504         * tree-flow.h (merge_alias_info): Remove.
5505
5506 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
5507
5508         * config/picochip/picochip.C (PARAM_INLINE_CALL_COST): Remove.
5509
5510 2009-05-25  Jan Hubicka  <jh@suse.cz>
5511
5512         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
5513         * cgraph.h (struct inline_summary): New filed self_wize,
5514         size_inlining_benefit, self_time and time_inlining_benefit.
5515         (struct cgraph_global_info): Replace insns by time ans size fields.
5516         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
5517         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
5518         (ipcp_update_callgraph): Do not touch function bodies.
5519         * ipa-inline.c: Include except.h
5520         (MAX_TIME): New constant.
5521         (overall_insns): Remove.
5522         (leaf_node_p): New.
5523         (overall_size, max_benefit): New static variables.
5524         (cgraph_estimate_time_after_inlining): New function.
5525         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
5526         (cgraph_clone_inlined_nodes): Update size.
5527         (cgraph_mark_inline_edge): Update size.
5528         (cgraph_estimate_growth): Use size info.
5529         (cgraph_check_inline_limits): Check size.
5530         (cgraph_default_inline_p): Likewise.
5531         (cgraph_edge_badness): Compute badness based on benefit and size cost.
5532         (cgraph_decide_recursive_inlining): Check size.
5533         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
5534         and times.
5535         (cgraph_decide_inlining): Likewise.
5536         (cgraph_decide_inlining_incrementally): Likewise; honor
5537         PARAM_EARLY_INLINING_INSNS.
5538         (likely_eliminated_by_inlining_p): New predicate.
5539         (estimate_function_body_sizes): New function.
5540         (compute_inline_parameters): Use it.
5541         * except.c (must_not_throw_labels): New function.
5542         * except.h (must_not_throw_labels): Declare.
5543         * tree-inline.c (init_inline_once): Kill inlining_weigths
5544         * tree-ssa-structalias.c: Avoid uninitialized warning.
5545         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
5546         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
5547         (PARAM_INLINE_CALL_COST): Remove.
5548         (PARAM_EARLY_INLINING_INSNS): New.
5549
5550 2009-05-25  Richard Guenther  <rguenther@suse.de>
5551
5552         PR tree-optimization/36327
5553         * tree-ssa-alias.c (walk_non_aliased_vuses): Add second walker
5554         callback for reference translation or lookup at the point of may-defs.
5555         * tree-ssa-alias.h (walk_non_aliased_vuses): Adjust prototype.
5556         * tree-ssa-sccvn.c (get_ref_from_reference_ops): Bail out
5557         for union COMPONENT_REFs.
5558         (vn_reference_lookup_3): New callback.  Lookup from memset
5559         and CONSTRUCTOR assignment, translate through struct copies.
5560         (vn_reference_lookup_pieces): Make sure to not free the
5561         passed operands array.  Adjust walk_non_aliased_vuses call.
5562         (vn_reference_lookup): Adjust walk_non_aliased_vuses call,
5563         make sure we do not leak memory.
5564
5565 2009-05-25  Richard Guenther  <rguenther@suse.de>
5566
5567         * tree-ssa-alias.h (dump_points_to_solution): Declare.
5568         * tree-inline.c (expand_call_inline): Reset the escaped and
5569         callused solutions.
5570         * tree-ssa-structalias.c (pass_build_ealias): New.
5571         * tree-pass.h (pass_build_ealias): Declare.
5572         * passes.c (init_optimization_passes): Add PTA during 
5573         early optimizations.
5574         * tree-ssa-alias.c (dump_alias_info): Dump the ESCAPED
5575         and CALLUSED solutions.
5576         (dump_points_to_solution): New function, split out from ...
5577         (dump_points_to_info_for): ... here.
5578         * tree-parloops.c (parallelize_loops): Reset the escaped and
5579         callused solutions.
5580
5581 2009-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5582
5583         PR bootstrap/40027
5584         * config/i386/i386.c (USE_HIDDEN_LINKONCE): Only define if missing.
5585         * config/i386/sol2.h [!TARGET_GNU_LD] (USE_HIDDEN_LINKONCE): Define.
5586
5587 2009-05-25  Ira Rosen  <irar@il.ibm.com>
5588
5589         PR tree-optimization/40238
5590         * tree-vect-stmts.c (vect_init_vector): Insert initialization
5591         statements after basic block's labels.
5592         * tree-vect-slp.c (vect_slp_transform_bb): Call destroy_bb_vec_info() 
5593         to free the allocated memory.
5594
5595 2009-05-24  Kaz Kojima  <kkojima@gcc.gnu.org>
5596
5597         * gcc/config/sh/sh.c (sh_set_return_address): Mark store of
5598         return address with a USE.
5599
5600 2009-05-24  Richard Guenther  <rguenther@suse.de>
5601
5602         PR middle-end/40233
5603         * tree.c (make_vector_type): Build the TYPE_DEBUG_REPRESENTATION_TYPEs
5604         array type from the main variant of the inner type.
5605
5606 2009-05-24  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
5607
5608         * config/vax/vax-protos.h (legitimate_constant_address_p): Change
5609         definition to bool (from int) to un-break build.
5610         (legitimate_constant_p, vax_mode_dependent_address_p): Likewise.
5611
5612 2009-05-24  Paolo Bonzini  <bonzini@gnu.org>
5613
5614         * tree-ssa-operands.h (push_stmt_changes, pop_stmt_changes,
5615         discard_stmt_changes): Delete.
5616         * tree-ssa-operands.c (scb_stack): Delete.
5617         (init_ssa_operands): Do not initialize it.
5618         (fini_ssa_operands): Do not free it.
5619         (push_stmt_changes, pop_stmt_changes, discard_stmt_changes): Delete.
5620
5621         * tree-cfg.c (replace_uses_by): Replace pop_stmt_changes with 
5622         update_stmt, remove the others.  Fix comments.
5623         * tree-dfa.c (optimize_stack_restore): Likewise.
5624         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Likewise.
5625         * tree-ssa-loop-ivopts.c (rewrite_use): Likewise.
5626         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
5627         * tree-ssa-ccp.c (optimize_stack_restore, execute_fold_all_builtins):
5628         Likewise.
5629         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
5630         * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
5631         (dom_opt_finalize_block): Likewise, adjusting access to
5632         stmts_to_rescan.
5633         (optimize_stmt): Likewise, adjusting access to stmts_to_rescan.
5634         (stmts_to_rescan): Change item type to gimple.
5635         (tree_ssa_dominator_optimize): Change type of stmts_to_rescan.
5636
5637 2009-05-24  Ira Rosen  <irar@il.ibm.com>
5638
5639         * doc/passes.texi (Tree-SSA passes): Document SLP pass.
5640         * tree-pass.h (pass_slp_vectorize): New pass.
5641         * params.h (SLP_MAX_INSNS_IN_BB): Define.
5642         * timevar.def (TV_TREE_SLP_VECTORIZATION): Define.
5643         * tree-vectorizer.c (timevar.h): Include.
5644         (user_vect_verbosity_level): Declare.
5645         (vect_location): Fix comment.
5646         (vect_set_verbosity_level): Update user_vect_verbosity_level
5647         instead of vect_verbosity_level.
5648         (vect_set_dump_settings): Add an argument. Ignore user defined
5649         verbosity if dump flags require higher level of verbosity. Print to
5650         stderr only for loop vectorization.
5651         (vectorize_loops): Update call to vect_set_dump_settings.
5652         (execute_vect_slp): New function.
5653         (gate_vect_slp): Likewise.
5654         (struct gimple_opt_pass pass_slp_vectorize): New.
5655         * tree-vectorizer.h (struct _bb_vec_info): Define along macros to
5656         access its members.
5657         (vec_info_for_bb): New function.
5658         (struct _stmt_vec_info): Add bb_vinfo and a macro for its access.
5659         (VECTORIZATION_ENABLED): New macro.
5660         (SLP_ENABLED, SLP_DISABLED): Likewise.
5661         (vect_is_simple_use): Add bb_vec_info argument.
5662         (new_stmt_vec_info, vect_analyze_data_ref_dependences,
5663         vect_analyze_data_refs_alignment, vect_verify_datarefs_alignment,
5664         vect_analyze_data_ref_accesses, vect_analyze_data_refs,
5665         vect_schedule_slp, vect_analyze_slp): Likewise.
5666         (vect_analyze_stmt): Add slp_tree argument.
5667         (find_bb_location): Declare.
5668         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
5669         * tree-vect-loop.c (new_loop_vec_info): Adjust function calls.
5670         (vect_analyze_loop_operations, vect_analyze_loop,
5671         get_initial_def_for_induction, vect_create_epilog_for_reduction,
5672         vect_finalize_reduction, vectorizable_reduction,
5673         vectorizable_live_operation, vect_transform_loop): Likewise.
5674         * tree-data-ref.c (dr_analyze_innermost): Update comment,
5675         skip evolution analysis if analyzing a basic block.
5676         (dr_analyze_indices): Likewise.
5677         (initialize_data_dependence_relation): Skip the test whether the
5678         object is invariant for basic blocks.
5679         (compute_all_dependences): Skip dependence analysis for data
5680         references in basic blocks.
5681         (find_data_references_in_stmt): Don't fail in case of invariant
5682         access in basic block.
5683         (find_data_references_in_bb): New function.
5684         (find_data_references_in_loop): Move code to
5685         find_data_references_in_bb and add a call to it.
5686         (compute_data_dependences_for_bb): New function.
5687         * tree-data-ref.h (compute_data_dependences_for_bb): Declare.
5688         * tree-vect-data-refs.c (vect_check_interleaving): Adjust to the case
5689         that STEP is 0.
5690         (vect_analyze_data_ref_dependence): Check for interleaving in case of
5691         unknown dependence in basic block and fail in case of dependence in
5692         basic block.
5693         (vect_analyze_data_ref_dependences): Add bb_vinfo argument, get data
5694         dependence instances from either loop or basic block vectorization
5695         info.
5696         (vect_compute_data_ref_alignment): Check if it is loop vectorization
5697         before calling nested_in_vect_loop_p.
5698         (vect_compute_data_refs_alignment): Add bb_vinfo argument, get data
5699         dependence instances from either loop or basic block vectorization
5700         info.
5701         (vect_verify_datarefs_alignment): Likewise.
5702         (vect_enhance_data_refs_alignment): Adjust function calls.
5703         (vect_analyze_data_refs_alignment): Likewise.
5704         (vect_analyze_group_access): Fix printing. Skip different checks if
5705         DR_STEP is 0. Keep strided stores either in loop or basic block
5706         vectorization data structure. Fix indentation.
5707         (vect_analyze_data_ref_access): Fix comments, allow zero step in
5708         basic blocks.
5709         (vect_analyze_data_ref_accesses): Add bb_vinfo argument, get data
5710         dependence instances from either loop or basic block vectorization
5711         info.
5712         (vect_analyze_data_refs): Update comment. Call
5713         compute_data_dependences_for_bb to analyze basic blocks.
5714         (vect_create_addr_base_for_vector_ref): Check for outer loop only in
5715         case of loop vectorization. In case of basic block vectorization use
5716         data-ref itself as a base.
5717         (vect_create_data_ref_ptr): In case of basic block vectorization:
5718         don't advance the pointer, add new statements before the current
5719         statement.  Adjust function calls.
5720         (vect_supportable_dr_alignment): Support only aligned accesses in
5721         basic block vectorization.
5722         * common.opt (ftree-slp-vectorize): New flag.
5723         * tree-vect-patterns.c (widened_name_p): Adjust function calls.
5724         (vect_pattern_recog_1): Likewise.
5725         * tree-vect-stmts.c (process_use): Likewise.
5726         (vect_init_vector): Add new statements in the beginning of the basic
5727         block in case of basic block SLP.
5728         (vect_get_vec_def_for_operand): Adjust function calls.
5729         (vect_finish_stmt_generation): Likewise.
5730         (vectorizable_call): Add assert that it is loop vectorization, adjust
5731         function calls.
5732         (vectorizable_conversion, vectorizable_assignment): Likewise.
5733         (vectorizable_operation): In case of basic block SLP, take
5734         vectorization factor from statement's type and skip the relevance
5735         check. Adjust function calls.
5736         (vectorizable_type_demotion): Add assert that it is loop
5737         vectorization, adjust function calls.
5738         (vectorizable_type_promotion): Likewise.
5739         (vectorizable_store): Check for outer loop only in case of loop
5740         vectorization. Adjust function calls. For basic blocks, skip the
5741         relevance check and don't advance pointers.
5742         (vectorizable_load): Likewise.
5743         (vectorizable_condition): Add assert that it is loop vectorization,
5744         adjust function calls.
5745         (vect_analyze_stmt): Add argument. In case of basic block SLP, check
5746         that it is not reduction, get vector type, call only supported
5747         functions, skip loop specific parts.
5748         (vect_transform_stmt): Check for outer loop only in case of loop
5749         vectorization.
5750         (new_stmt_vec_info): Add new argument and initialize bb_vinfo.
5751         (vect_is_simple_use): Fix comment, add new argument, fix conditions
5752         for external definition.
5753         * passes.c (pass_slp_vectorize): New pass.
5754         * tree-vect-slp.c (find_bb_location): New function.
5755         (vect_get_and_check_slp_defs): Add argument, adjust function calls,
5756         check for patterns only in loops.
5757         (vect_build_slp_tree): Add argument, adjust function calls, fail in
5758         case of multiple types in basic block SLP.
5759         (vect_mark_slp_stmts_relevant): New function.
5760         (vect_supported_load_permutation_p): Fix comment.
5761         (vect_analyze_slp_instance): Add argument. In case of basic block
5762         SLP, take vectorization factor from statement's type, check that
5763         unrolling factor is 1. Adjust function call. Save SLP instance in
5764         either loop or basic block vectorization structure. Return FALSE,
5765         if SLP failed.
5766         (vect_analyze_slp): Add argument. Get strided stores groups from
5767         either loop or basic block vectorization structure. Return FALSE
5768         if basic block SLP failed.
5769         (new_bb_vec_info): New function.
5770         (destroy_bb_vec_info, vect_slp_analyze_node_operations,
5771         vect_slp_analyze_operations, vect_slp_analyze_bb): Likewise.
5772         (vect_schedule_slp): Add argument. Get SLP instances from either
5773         loop or basic block vectorization structure. Set vectorization factor
5774         to be 1 for basic block SLP.
5775         (vect_slp_transform_bb): New function.
5776         * params.def (PARAM_SLP_MAX_INSNS_IN_BB): Define.
5777
5778 2009-05-23  Mark Mitchell  <mark@codesourcery.com>
5779
5780         * final.c (shorten_branches): Do not align labels for jump tables.
5781         (final_scan_insn): Use JUMP_TABLE_DATA_P.
5782
5783 2009-05-23  Eric Botcazou  <ebotcazou@adacore.com>
5784
5785         * doc/passes.texi: Standardize spelling of RTL, Tree and Tree SSA.
5786         Remove outdated reference to flow.c and fix nits.
5787         * doc/gccint.texi: Tweak RTL description.
5788         * doc/rtl.texi: Likewise.
5789
5790 2009-05-23  Denis Chertykov  <chertykov@gmail.com>
5791
5792         * config/avr/avr.c: Change my email address.
5793         * config/avr/avr.h: Likewise.
5794         * config/avr/avr.md: Likewise.
5795         * config/avr/avr-protos.h: Likewise.
5796         * config/avr/libgcc.S: Likewise.
5797
5798 2009-05-22  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
5799
5800         * config/spu/spu-protos.h (aligned_mem_p, spu_valid_mov): Remove.
5801         (spu_split_load, spu_split_store): Change return type to int.
5802         (spu_split_convert): Declare.
5803         * config/spu/predicates.md (spu_mem_operand): Remove.
5804         (spu_mov_operand): Update.
5805         (spu_dest_operand, shiftrt_operator, extend_operator): Define.
5806         * config/spu/spu.c (regno_aligned_for_load): Remove.
5807         (reg_aligned_for_addr, spu_expand_load): Define.
5808         (spu_expand_extv): Reimplement and handle MEM.
5809         (spu_expand_insv): Handle MEM.
5810         (spu_sched_reorder): Handle insn's with length 0.
5811         (spu_legitimate_address_p): Reimplement.
5812         (store_with_one_insn_p): Return TRUE for any mode with size
5813         larger than 16 bytes.
5814         (address_needs_split): Define.
5815         (spu_expand_mov): Call spu_split_load and spu_split_store for MEM
5816         operands.
5817         (spu_convert_move): Define.
5818         (spu_split_load): Use spu_expand_load and change all MEM's to TImode.
5819         (spu_split_store): Change all MEM's to TImode.
5820         (spu_init_expanders): Preallocate registers that correspond to
5821         LAST_VIRTUAL_REG+1 and LAST_VIRTUAL_REG+2 and set them with
5822         mark_reg_pointer.
5823         (spu_split_convert): Define.
5824         * config/spu/spu.md (QHSI, QHSDI): New mode iterators.
5825         (_move<mode>, _movdi, _movti): Update predicate and condition.
5826         (load, store): Change to define_split.
5827         (extendqiti2, extendhiti2, extendsiti2, extendditi2): Simplify to
5828         extend<mode>ti2.
5829         (zero_extendqiti2, zero_extendhiti2, <v>lshr<mode>3_imm): Define.
5830         (lshr<mode>3, lshr<mode>3_imm, lshr<mode>3_re): Simplify to one
5831         define_insn_and_split of lshr<mode>3.
5832         (shrqbybi_<mode>, shrqby_<mode>): Simplify to define_expand.
5833         (<v>ashr<mode>3_imm): Define.
5834         (extv, extzv, insv): Allow MEM operands.
5835         (trunc_shr_ti<mode>, trunc_shr_tidi, shl_ext_<mode>ti,
5836         shl_ext_diti, sext_trunc_lshr_tiqisi, zext_trunc_lshr_tiqisi,
5837         sext_trunc_lshr_tihisi, zext_trunc_lshr_tihisi): Define for combine.
5838         (_spu_convert2): Change to define_insn_and_split and remove the
5839         corresponding define_peephole2.
5840         (stack_protect_set, stack_protect_test, stack_protect_test_si):
5841         Change predicates to memory_operand.
5842
5843 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
5844
5845         * config/arm/thumb2.md: Add 16-bit multiply instructions.
5846
5847 2009-05-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
5848
5849         PR tree-optimization/40219
5850         * tree.c (iterative_hash_expr): Make sure the builtin function is
5851         a normal builtin function and not a front end or back end builtin
5852         before indexing into the built_in_decls array.
5853
5854 2009-05-22  Richard Guenther  <rguenther@suse.de>
5855
5856         PR middle-end/38964
5857         * alias.c (write_dependence_p): Do not use TBAA for answering
5858         anti-dependence or output-dependence.
5859         * tree-ssa-structalias.c (set_uids_in_ptset): Remove TBAA pruning code.
5860         (emit_pointer_definition): Remove.
5861         (emit_alias_warning): Likewise.
5862         (find_what_var_points_to): Remove TBAA pruning code.
5863         (find_what_p_points_to): Likewise.  Do not warn about strict-aliasing
5864         violations.
5865         (compute_points_to_sets): Remove code computing the set of
5866         dereferenced pointers.
5867         * tree-data-ref.c (dr_may_alias_p): Properly use the split
5868         oracle for querying anti and output dependencies.
5869         * tree-ssa-alias.c (refs_may_alias_p_1): Add argument specifying
5870         if TBAA may be applied.
5871         (refs_anti_dependent_p): New function.
5872         (refs_output_dependent_p): Likewise.
5873         * tree-ssa-alias.h (refs_anti_dependent_p): Declare.
5874         (refs_output_dependent_p): Likewise.
5875         * doc/tree-ssa.texi (Memory model): New section.
5876         * doc/c-tree.texi (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
5877         * doc/gimple.texi (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
5878         * cfgexpand.c (expand_gimple_basic_block): Do not handle
5879         GIMPLE_CHANGE_DYNAMIC_TYPE or CHANGE_DYNAMIC_TYPE_EXPR.
5880         * expr.c (expand_expr_real_1): Likewise.
5881         * gimple-low.c (lower_stmt): Likewise.
5882         * gimple-pretty-print.c (dump_gimple_stmt): Likewise.
5883         (dump_gimple_cdt): Remove.
5884         * gimple.c (gss_for_code): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
5885         (gimple_size): Likewise.
5886         (walk_gimple_op): Likewise.
5887         (is_gimple_stmt): Likewise.
5888         (walk_stmt_load_store_addr_ops): Likewise.
5889         (gimple_build_cdt): Remove.
5890         * gimple.def (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
5891         * gimple.h (gimple_cdt_new_type): Remove.
5892         (gimple_cdt_new_type_ptr): Likewise.
5893         (gimple_cdt_set_new_type): Likewise.
5894         (gimple_cdt_location): Likewise.
5895         (gimple_cdt_location_ptr): Likewise.
5896         (gimple_cdt_set_location): Likewise.
5897         * gimplify.c (gimplify_expr): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
5898         * tree-cfg.c (remove_useless_stmts_1): Do not handle
5899         GIMPLE_CHANGE_DYNAMIC_TYPE.
5900         (verify_types_in_gimple_stmt): Likewise.
5901         * tree-inline.c (estimate_num_insns): Likewise.
5902         (expand_call_inline): Do not copy DECL_NO_TBAA_P.
5903         (copy_decl_to_var): Likewise.
5904         (copy_result_decl_to_var): Likewise.
5905         * tree-pretty-print.c (dump_generic_node): Do not handle
5906         CHANGE_DYNAMIC_TYPE_EXPR.
5907         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
5908         * tree-ssa-operands.c (get_expr_operands): Likewise.
5909         * tree-ssa-structalias.c (struct variable_info): Remove
5910         no_tbaa_pruning member.
5911         (new_var_info): Do not set it based on DECL_NO_TBAA_P.
5912         (unify_nodes): Do not copy it.
5913         (find_func_aliases): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
5914         (dump_solution_for_var): Do not dump no_tbaa_pruning state.
5915         (set_uids_in_ptset): Do not check it.
5916         (find_what_var_points_to): Likewise.
5917         (compute_tbaa_pruning): Remove.
5918         (compute_points_to_sets): Do not call it.
5919         * tree.c (walk_tree_1): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
5920         * tree.def (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
5921         * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Remove.
5922         (CHANGE_DYNAMIC_TYPE_LOCATION): Likewise.
5923         (DECL_NO_TBAA_P): Likewise.
5924         (struct tree_decl_common): Move no_tbaa_flag to unused flags section.
5925         * omp-low.c (copy_var_decl): Do not copy DECL_NO_TBAA_P.
5926         (expand_omp_atomic_pipeline): Do not set it.
5927         * print-tree.c (print_node): Do not dump it.
5928         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
5929         redundant check.
5930
5931 2009-05-22 Vladimir Makarov <vmakarov@redhat.com>
5932
5933         PR target/39856
5934         * reg-stack.c (subst_stack_regs_pat): Remove gcc_assert for note
5935         for clobber.
5936
5937 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
5938
5939         * tree.c (handle_dll_attribute): Mark dllexport'd inlines as
5940         non-external.
5941
5942 2009-05-22  Ben Elliston  <bje@au.ibm.com>
5943
5944         * Makefile.in (bversion.h, s-bversion): New targets.
5945         (TOPLEV_H): Add bversion.h.
5946         * toplev.h: Include "bversion.h".
5947         (ATTRIBUTE_GCC_DIAG): When building with checking disabled, use
5948         the __format__ attribute only if compiling with the same version
5949         of GCC as the sources (the "build version").
5950
5951 2009-05-22  Ben Elliston  <bje@au.ibm.com>
5952
5953         * c-format.c (handle_format_attribute): Fix comment typo.
5954
5955 2009-05-21  Steve Ellcey  <sje@cup.hp.com>
5956
5957         PR target/37846
5958         * config/ia64/ia64.opt (mfused-madd): New.
5959         * config/ia64/ia64.h (TARGET_DEFAULT): Set MASK_FUSED_MADD.
5960         * config/ia64/hpux.h (TARGET_DEFAULT): Ditto.
5961         * config/ia64/ia64.md (maddsf4, msubsf4, nmaddsf4,
5962         madddf4, madddf4_trunc, msubdf4, msubdf4_trunc, nmadddf4,
5963         nmadddf4_truncsf, maddxf4, maddxf4_truncsf, maddxf4_truncdf,
5964         msubxf4, msubxf4_truncsf msubxf4_truncdf, nmaddxf4,
5965         nmaddxf4_truncsf, nmaddxf4_truncdf): Check TARGET_FUSED_MADD.
5966         * config/ia64/vect.md (addv2sf3, subv2sf3): Force fpma/fpms 
5967         instruction if !TARGET_FUSED_MADD.
5968         (fpma, fpms): Remove colon from name.
5969
5970 2009-05-22  Richard Guenther  <rguenther@suse.de>
5971
5972         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record
5973         TMR_ORIGINAL.  Always either record TMR_SYMBOL or TMR_BASE.
5974         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
5975         TARGET_MEM_REF.
5976         (create_expression_by_pieces): Only convert if necessary.
5977         * gimplify.c (gimplify_expr): Handle TARGET_MEM_REF.
5978         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Handle INTEGER_CST.
5979
5980 2009-05-21  Adam Nemet  <anemet@caviumnetworks.com>
5981
5982         * config/mips/mips.md (*extzv_trunc<mode>_exts): Turn into a
5983         regular pattern from a template and rename it ...
5984         (*extzv_truncsi_exts): ... to this.
5985
5986 2009-05-21  Richard Guenther  <rguenther@suse.de>
5987
5988         * cgraph.h (struct cgraph_node): Remove inline_decl member.
5989         * ipa-inline.c (cgraph_mark_inline_edge): Do not check it.
5990         (cgraph_default_inline_p): Likewise.
5991         (cgraph_decide_inlining_incrementally): Likewise.
5992
5993 2009-05-21  H.J. Lu  <hongjiu.lu@intel.com>
5994             Uros Bizjak  <ubizjak@gmail.com>
5995
5996         * config/i386/cpuid.h (bit_MOVBE): New.
5997
5998         * config/i386/driver-i386.c (host_detect_local_cpu): Check movbe.
5999
6000         * config/i386/i386.c (OPTION_MASK_ISA_MOVBE_SET): New.
6001         (OPTION_MASK_ISA_MOVBE_UNSET): Likewise.
6002         (ix86_handle_option): Handle OPT_mmovbe.
6003         (ix86_target_string): Add -mmovbe.
6004         (pta_flags): Add PTA_MOVBE.
6005         (processor_alias_table): Add PTA_MOVBE to "atom".
6006         (override_options): Handle PTA_MOVBE.
6007
6008         * config/i386/i386.h (TARGET_MOVBE): New.
6009
6010         * config/i386/i386.md (bswapsi2): Check TARGET_MOVBE.
6011         (*bswapsi_movbe): New.
6012         (*bswapdi_movbe): Likewise.
6013         (bswapdi2): Renamed to ...
6014         (*bswapdi_1): This.
6015         (bswapdi2): New expander.
6016
6017         * config/i386/i386.opt (mmovbe): New.
6018
6019         * doc/invoke.texi: Document -mmovbe.
6020
6021 2009-05-21  Taras Glek  <tglek@mozilla.com>
6022
6023         * plugin.c (try_init_one_plugin): Updated to new plugin_init API.
6024         * gcc-plugin.h (plugin_init): Updated signature.
6025         * gcc-plugin.h (plugin_name_args): Moved to this header.
6026         * doc/plugins.texi (plugin_init): Updated documention to reflect
6027         API change.
6028         * doc/plugins.texi (plugin_name_args): Added to documention.
6029
6030 2009-05-21  Mark Mitchell  <mark@codesourcery.com>
6031
6032         * config/arm/neon.md (*mul<mode>3add<mode>_neon): New pattern.
6033         (*mul<mode>3neg<mode>add<mode>_neon): Likewise.
6034
6035 2009-05-21  Shujing Zhao  <pearly.zhao@oracle.com>
6036
6037         * config/i386/i386.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P and
6038         JUMP_TABLE_DATA_P predicates where applicable.
6039         * config/i386/predicates.md: Ditto.
6040         * config/i386/sse.md: Ditto.
6041
6042 2009-05-21  Jakub Jelinek  <jakub@redhat.com>
6043
6044         * config/i386/i386.md (adddi_4_rex64, addsi_4, addhi_4): For
6045         operand2 -128 override length_immediate attribute to 1.
6046         * config/i386/predicates.md (constm128_operand): New predicate.
6047
6048         * config/i386/i386.c (memory_address_length): Handle %r12
6049         the same as %rsp and %r13 the same as %rbp.  For %rsp and %rbp
6050         also check REGNO.
6051         (ix86_attr_length_address_default): For MODE_SI lea in 64-bit
6052         mode look through optional ZERO_EXTEND and SUBREG.
6053         * config/i386/i386.md (R12_REG): New define_constant.
6054         (prefix_data16): For sse unit set also for MODE_TI insns.
6055         (prefix_rex): For -m32 always return 0.  For TYPE_IMOVX
6056         insns set if operand 1 is ext_QIreg_operand.
6057         (modrm): For TYPE_IMOV clear only if not MODE_DI.  For
6058         TYPE_{ALU{,1},ICMP,TEST} insn clear if there is non-shortened
6059         immediate.
6060         (*movdi_extzv_1, zero_extendhidi2, zero_extendqidi2): Change
6061         mode from MODE_DI to MODE_SI.
6062         (movdi_1_rex64): Override modrm and length_immediate attributes
6063         only for movabs (TYPE_IMOV, alternative 2).
6064         (zero_extendsidi2_rex64): Clear prefix_0f attribute if TYPE_IMOVX.
6065         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit,
6066         *float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit,
6067         *float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit,
6068         *float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Set
6069         prefix_rex attribute if DImode.
6070         (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64, *adddi_5_rex64,
6071         *addsi_1, *addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
6072         *addsi_3_zext, *addsi_5, *addhi_1_lea, *addhi_1, *addhi_2, *addhi_3,
6073         *addhi_5, *addqi_1_lea, *addqi_1): Override length_immediate
6074         attribute to 1 if TYPE_ALU and operand 2 is const128_operand.
6075         (pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64):
6076         Likewise.  For TYPE_IMOV clear length_immediate attribute.
6077         (*ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashldi3_cconly_rex64,
6078         *ashlsi3_1, *ashlsi3_1_zext, *ashlsi3_cmp, **ashlsi3_cconly,
6079         *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1, *ashlhi3_cmp,
6080         *ashlhi3_cconly, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
6081         *ashlqi3_cconly): Override length_immediate attribute to 0 if TYPE_ALU
6082         or one operand TYPE_ISHIFT.
6083         (*ashrdi3_1_one_bit_rex64, *ashrdi3_one_bit_cmp_rex64,
6084         *ashrdi3_one_bit_cconly_rex64, *ashrsi3_1_one_bit,
6085         *ashrsi3_1_one_bit_zext, *ashrsi3_one_bit_cmp,
6086         *ashrsi3_one_bit_cconly, *ashrsi3_one_bit_cmp_zext,
6087         *ashrhi3_1_one_bit, *ashrhi3_one_bit_cmp, *ashrhi3_one_bit_cconly,
6088         *ashrqi3_1_one_bit, *ashrqi3_1_one_bit_slp, *ashrqi3_one_bit_cmp,
6089         *ashrqi3_one_bit_cconly, *lshrdi3_1_one_bit_rex64,
6090         *lshrdi3_cmp_one_bit_rex64, *lshrdi3_cconly_one_bit_rex64,
6091         *lshrsi3_1_one_bit, *lshrsi3_1_one_bit_zext, *lshrsi3_one_bit_cmp,
6092         *lshrsi3_one_bit_cconly, *lshrsi3_cmp_one_bit_zext,
6093         *lshrhi3_1_one_bit, *lshrhi3_one_bit_cmp, *lshrhi3_one_bit_cconly,
6094         *lshrqi3_1_one_bit, *lshrqi3_1_one_bit_slp, *lshrqi2_one_bit_cmp,
6095         *lshrqi2_one_bit_cconly, *rotlsi3_1_one_bit_rex64, *rotlsi3_1_one_bit,
6096         *rotlsi3_1_one_bit_zext, *rotlhi3_1_one_bit, *rotlqi3_1_one_bit_slp,
6097         *rotlqi3_1_one_bit, *rotrdi3_1_one_bit_rex64, *rotrsi3_1_one_bit,
6098         *rotrsi3_1_one_bit_zext, *rotrhi3_one_bit, *rotrqi3_1_one_bit,
6099         *rotrqi3_1_one_bit_slp): Override length_immediate attribute to 0,
6100         set mode attribute, don't override length attribute.
6101         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Set prefix_0f attribute
6102         to 1.
6103         (return_internal_long): Set length attribute to 2 instead of 1.
6104         (*strmovqi_rex_1, *strsetqi_rex_1, *rep_stosqi_rex64,
6105         *cmpstrnqi_nz_rex_1, *cmpstrnqi_rex_1, *strlenqi_rex_1): Clear
6106         prefix_rex attribute.
6107         * config/i386/predicates.md (ext_QIreg_operand, const128_operand):
6108         New predicates.
6109         (memory_displacement_only_operand): Always return 0 for TARGET_64BIT.
6110
6111 2009-05-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6112
6113         * config/arm/thumb2.md (orsi_notsi_si): Fix typo in pattern.
6114
6115 2009-05-20  Ian Lance Taylor  <iant@google.com>
6116
6117         * tree.c (build_tree_list_vec_stat): New function.
6118         (ctor_to_vec): New function.
6119         (build_nt_call_vec): New function.
6120         (build_call_array): Change args to be a const pointer.
6121         (build_call_vec): New function.
6122         * tree.h (build_nt_call_vec): Declare.
6123         (build_tree_list_vec_stat): Declare.
6124         (build_tree_list_vec): Define.
6125         (build_call_array): Update declaration.
6126         (build_call_vec): Declare.
6127         (ctor_to_vec): Declare.
6128         * c-common.c (tree_vector_cache): New static variable.
6129         (make_tree_vector): New function.
6130         (release_tree_vector): New function.
6131         (make_tree_vector_single): New function.
6132         (make_tree_vector_copy): New function.
6133         * c-common.h (tree_vector_cache, make_tree_vector): Declare.
6134         (make_tree_vector_single, make_tree_vector_copy): Declare.
6135         * c-parser.c (cached_expr_list_1, cached_expr_list_2): Remove.
6136         (c_parser_expr_list): Don't manage cache here, instead call
6137         make_tree_vector.
6138         (c_parser_release_expr_list): Remove static function.
6139         (c_parser_vec_to_tree_list): Remove static function.
6140         (c_parser_attributes): Call build_tree_list_vec instead of
6141         c_parser_vec_to_tree_list.  Call release_tree_vector instead of
6142         c_parser_release_expr_list.
6143         (c_parser_postfix_expression_after_primary): Likewise.
6144         (c_parser_objc_keywordexpr): Likewise.
6145
6146 2009-05-20  Sandra Loosemore  <sandra@codesourcery.com>
6147
6148         * doc/tm.texi (Misc): Document TARGET_INVALID_PARAMETER_TYPE,
6149         TARGET_INVALID_RETURN_TYPE, TARGET_PROMOTED_TYPE, and
6150         TARGET_CONVERT_TO_TYPE.
6151         * hooks.c (hook_tree_const_tree_null): Define.
6152         * hooks.h (hook_tree_const_tree_null): Declare.
6153         * target.h (struct gcc_target):  Add invalid_parameter_type,
6154         invalid_return_type, promoted_type, and convert_to_type fields.
6155         * target-def.h: (TARGET_INVALID_PARAMETER_TYPE): Define.
6156         (TARGET_INVALID_RETURN_TYPE): Define.
6157         (TARGET_PROMOTED_TYPE): Define.
6158         (TARGET_CONVERT_TO_TYPE): Define.
6159         (TARGET_INITIALIZER): Update for new fields.
6160         * c-decl.c (grokdeclarator): Check targetm.invalid_return_type.
6161         (grokparms): Check targetm.invalid_parameter_type.
6162         * c-typeck.c (default_conversion): Check targetm.promoted_type.
6163         * c-convert.c (convert): Check targetm.convert_to_type.
6164
6165 2009-05-20  Adam Nemet  <anemet@caviumnetworks.com>
6166
6167         * config/mips/mips.md (*extenddi_truncate<mode>,
6168         *extendsi_truncate<mode>): Emit exts if supported.  Add attribute
6169         defintions.
6170         (*extendhi_truncateqi): New define_insn_and_sptit.
6171
6172 2009-05-20  Jakub Jelinek  <jakub@redhat.com>
6173
6174         PR middle-end/40204
6175         * fold-const.c (fold_binary) <case BIT_AND_EXPR>: Avoid infinite
6176         recursion if build_int_cst_type returns the same INTEGER_CST as arg1.
6177
6178 2009-05-20  Eric Botcazou  <ebotcazou@adacore.com>
6179
6180         * fold-const.c (build_fold_addr_expr_with_type): Take the address of
6181         the operand of VIEW_CONVERT_EXPR.
6182
6183 2009-05-20  H.J. Lu  <hongjiu.lu@intel.com>
6184
6185         * config/i386/driver-i386.c (host_detect_local_cpu): Check
6186         extended family and model for Intel processors.  Support Intel Atom.
6187
6188 2009-05-20  Olivier Hainque  <hainque@adacore.com>
6189
6190         * gstab.h (stab_code_type): Define, to be used instead of the
6191         __stab_debug_code enum, made anonymous.  Add 2009 to the copyright
6192         notice.
6193         * dbxout.c (STAB_CODE_TYPE): Remove #define and replace use
6194         occurrences by stab_code_type.
6195         * mips-tfile.c (STAB_CODE_TYPE): Remove #define, unused.
6196
6197 2009-05-20  Martin Jambor  <mjambor@suse.cz>
6198
6199         * tree-flow.h (insert_edge_copies_seq): Undeclare.
6200         (sra_insert_before): Likewise.
6201         (sra_insert_after): Likewise.
6202         (sra_init_cache): Likewise.
6203         (sra_type_can_be_decomposed_p): Likewise.
6204         * tree-mudflap.c (insert_edge_copies_seq): Copied here from tree-sra.c
6205         * tree-sra.c (sra_type_can_be_decomposed_p): Made static.
6206         (sra_insert_before): Likewise.
6207         (sra_insert_after): Likewise.
6208         (sra_init_cache): Likewise.
6209         (insert_edge_copies_seq): Made static and moved upwards.
6210
6211         * tree-complex.c (extract_component): Added VIEW_CONVERT_EXPR switch
6212         case.
6213
6214         * tree-flow-inline.h (contains_view_convert_expr_p): New function.
6215
6216         * ipa-prop.c (get_ssa_def_if_simple_copy): New function.
6217         (determine_cst_member_ptr): Call get_ssa_def_if_simple_copy to skip
6218         simple copies.
6219
6220 2009-05-20  Richard Guenther  <rguenther@suse.de>
6221
6222         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
6223         with mismatched comparison modes.
6224
6225 2009-05-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6226
6227         * config/arm/arm.md (*arm_iorsi3): Refactored for only ARM.
6228         (peephole ior (reg, int) -> mov, ior): Refactored for only ARM.
6229         * config/arm/thumb2.md (*thumb_andsi_not_shiftsi_si): Allow bic
6230         with shifts for Thumb2.
6231         (orsi_notsi): New for orn.
6232         (*thumb_orsi_notshiftsi_si): Allow orn with shifts.
6233         (*thumb2_iorsi3): Rewrite support for iorsi for Thumb2.
6234         * config/arm/arm.c (const_ok_for_op): Split case for IOR for Thumb2.
6235         (arm_gen_constant): Set can_invert for IOR and Thumb2, Add comments.
6236         Don't invert remainder for IOR.
6237         
6238 2009-05-19  Zdenek Dvorak  <ook@ucw.cz>
6239
6240         PR tree-optimization/40087
6241         * tree-ssa-loop-niter.c (number_of_iterations_ne_max,
6242         number_of_iterations_ne): Rename never_infinite argument.
6243         (number_of_iterations_lt_to_ne, number_of_iterations_lt,
6244         number_of_iterations_le): Handle pointer-type ivs when
6245         exit_must_be_taken is false.
6246         (number_of_iterations_cond):  Do not always assume that
6247         exit_must_be_taken if the control variable is a pointer.
6248
6249 2009-05-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6250
6251         * c-typeck.c (build_binary_op): Allow % on integal vectors.
6252         * doc/extend.texi (Vector Extension): Document that % is allowed too.
6253
6254 2009-05-19  H.J. Lu  <hongjiu.lu@intel.com>
6255
6256         * config/i386/i386.c (ix86_avoid_jump_mispredicts): Check
6257         ASM_OUTPUT_MAX_SKIP_PAD instead of ASM_OUTPUT_MAX_SKIP_ALIGN.
6258
6259 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6260
6261         PR c/40172
6262         * c.opt (Wlogical-op): Disabled by default.
6263         * c-opt (c_common_post_options): Do not enable Wlogical-op with
6264         Wextra.
6265         * doc/invoke.texi (Wlogical-op): Likewise.
6266         
6267 2009-05-19  Eric Botcazou  <ebotcazou@adacore.com>
6268
6269         * tree-scalar-evolution.c (follow_ssa_edge_expr) <NOP_EXPR>: Turn
6270         into CASE_CONVERT.
6271         <PLUS_EXPR>: Strip useless type conversions instead of type nops.
6272         Propagate the type of the first operand.
6273         <ASSERT_EXPR>: Simplify.
6274         (follow_ssa_edge_in_rhs): Use gimple_expr_type to get the type.
6275         Rewrite using the RHS code as discriminant.
6276         <NOP_EXPR>: Turn into CASE_CONVERT.
6277         <PLUS_EXPR>: Propagate the type of the first operand.
6278
6279 2009-05-19  Steve Ellcey  <sje@cup.hp.com>
6280
6281         * config/ia64/ia64-protos.h (ia64_dconst_0_5): New.
6282         (ia64_dconst_0_375): New.
6283         * config/ia64/ia64.c (ia64_override_options): Remove
6284         -minline-sqrt-min-latency warning.
6285         (ia64_dconst_0_5_rtx, ia64_dconst_0_5): New.
6286         (ia64_dconst_0_375_rtx, ia64_dconst_0_375): New
6287         * config/ia64/ia64.md (*sqrt_approx): Remove.
6288         (sqrtsf2): Remove #if 0.
6289         (sqrtsf2_internal_thr): Rewrite and move to div.md.
6290         (sqrtdf): Remove assert.
6291         (sqrtdf2_internal_thr): Rewrite and move to div.md.
6292         (sqrtxf2): Remove #if 0.
6293         (sqrtxf2_internal_thr): Rewrite and move to div.md.
6294         * div.md (sqrt_approx_rf): New.
6295         (sqrtsf2_internal_thr): New implementation.
6296         (sqrtsf2_internal_lat): New.
6297         (sqrtdf2_internal_thr: New implementation.
6298         (sqrtxf2_internal): New implementation.
6299
6300 2009-05-19  Francois-Xavier Coudert  <fxcoudert@gmail.com>
6301             Hans-Peter Nilsson  <hp@axis.com>
6302
6303         * defaults.h (UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE)
6304         (WCHAR_TYPE, MODIFIED_WCHAR_TYPE, PTRDIFF_TYPE, WINT_TYPE)
6305         (INTMAX_TYPE, UINTMAX_TYPE, SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE)
6306         (INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE)
6307         (UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE)
6308         (INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE)
6309         (UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE)
6310         (INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE)
6311         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE)
6312         (SIZE_TYPE, PID_TYPE, CHAR16_TYPE, CHAR32_TYPE): Move defaults here...
6313         * c-common.c: ...from here.
6314
6315 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6316
6317         * c-common.c (warn_logical_operator): Remove unnecessary conditionals.
6318
6319 2009-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6320
6321         * builtins.c (do_mpc_arg1): Separate MPFR/MPC C rounding types.
6322
6323 2009-05-19  Ben Elliston  <bje@au.ibm.com>
6324
6325         * unwind-dw2-fde.c (fde_unencoded_compare): Replace type punning
6326         assignments with memcpy calls.
6327         (add_fdes): Likewise.
6328         (binary_search_unencoded_fdes): Likewise.
6329         (linear_search_fdes): Eliminate type puns.
6330         
6331 2009-05-19  Richard Guenther  <rguenther@suse.de>
6332
6333         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do
6334         not falsely claim to have propagated into all uses.
6335
6336 2009-05-19  Ben Elliston  <bje@au.ibm.com>
6337
6338         * doc/invoke.texi (C Dialect Options): Update OpenMP specification
6339         version to v3.0.
6340
6341 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
6342
6343         * config/sh/sh-protos.h (sh_legitimate_address_p): Remove.
6344         * config/sh/sh.c (sh_legitimate_address_p): Make static.
6345         (TARGET_LEGITIMATE_ADDRESS_P): New.
6346         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
6347         * config/sh/sh.md: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
6348         
6349 2009-05-18  Dodji Seketeli  <dodji@redhat.com>
6350
6351         PR debug/40109
6352         * dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a
6353         child of the containing namespace's DIE.
6354
6355 2009-05-18  Adam Nemet  <anemet@caviumnetworks.com>
6356
6357         * config/mips/mips.md (*zero_extend<GPR:mode>_trunc<SHORT:mode>,
6358         *zero_extendhi_truncqi):  Move after the zero_extend patterns.
6359         (*extenddi_truncate<mode>, *extendsi_truncate<mode>): Move after the
6360         extend patterns.
6361
6362 2009-05-18  H.J. Lu  <hongjiu.lu@intel.com>
6363
6364         PR target/39942
6365         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Replace
6366         gen_align with gen_pad.
6367         (ix86_reorg): Check ASM_OUTPUT_MAX_SKIP_PAD instead of
6368         #ifdef ASM_OUTPUT_MAX_SKIP_ALIGN.
6369
6370         * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): New.
6371         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
6372
6373         * config/i386/i386.md (align): Renamed to ...
6374         (pad): This.  Replace ASM_OUTPUT_MAX_SKIP_ALIGN with
6375         ASM_OUTPUT_MAX_SKIP_PAD.
6376
6377 2009-05-18  Andreas Schwab  <schwab@linux-m68k.org>
6378
6379         * config.gcc: Fix variable syntax.
6380
6381         PR target/39531
6382         * config/m68k/m68k.c (output_andsi3): Mask off sign bit copies
6383         before calling exact_log2.
6384         (output_iorsi3): Likewise.
6385         (output_xorsi3): Likewise.
6386
6387 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
6388
6389         * config/sh/sh.c (expand_cbranchdi4): Use a scratch register
6390         for the none zero constant operand except for EQ and NE
6391         comprisons even when the first operand is R0.
6392
6393 2009-05-18  Andreas Krebbel  <krebbel1@de.ibm.com>
6394
6395         * config/s390/2064.md: Remove trailing whitespaces.
6396         * config/s390/2084.md: Likewise.
6397         * config/s390/constraints.md: Likewise.
6398         * config/s390/fixdfdi.h: Likewise.
6399         * config/s390/libgcc-glibc.ver: Likewise.
6400         * config/s390/s390-modes.def: Likewise.
6401         * config/s390/s390-protos.h: Likewise.
6402         * config/s390/s390.c: Likewise.
6403         * config/s390/s390.h: Likewise.
6404         * config/s390/s390.md: Likewise.
6405         * config/s390/tpf-unwind.h: Likewise.
6406
6407 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
6408
6409         * config/m68k/m68k.c (m68k_legitimize_address): Fix typo in signature.
6410
6411 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
6412
6413         M68K TLS support.
6414         * configure.ac (m68k-*-*): Check if binutils support TLS.
6415         * configure: Regenerate.
6416         * config/m68k/predicates.md (symbolic_operand): Extend comment.
6417         * config/m68k/constraints.md (Cu): New constraint.
6418         * config/m68k/m68k.md (UNSPEC_GOTOFF): Remove.
6419         (UNSPEC_RELOC16, UNSPEC_RELOC32): New constants.
6420         (movsi): Handle TLS symbols.
6421         (addsi3_5200): Handle XTLS symbols, indent.
6422         * config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare.
6423         (m68k_tls_reference_p): Declare.
6424         (m68k_legitimize_address): Declare.
6425         (m68k_unwrap_symbol): Declare.
6426         * config/m68k/m68k.opt (mxtls): New option.
6427         * config/m68k/m68k.c (ggc.h): Include.
6428         (m68k_output_dwarf_dtprel): Implement hook.
6429         (TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
6430         (m68k_expand_prologue): Load GOT pointer when function needs it.
6431         (m68k_illegitimate_symbolic_constant_p): Handle TLS symbols.
6432         (m68k_legitimate_constant_address_p): Same.
6433         (m68k_decompose_address): Handle TLS references.
6434         (m68k_get_gp): New static function.
6435         (enum m68k_reloc): New contants.
6436         (TLS_RELOC_P): New macro.
6437         (m68k_wrap_symbol): New static function.
6438         (m68k_unwrap_symbol): New function.
6439         (m68k_final_prescan_insn_1): New static function.
6440         (m68k_final_prescan_insn): New function.
6441         (m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static
6442         functions.
6443         (legitimize_pic_address): Handle TLS references..
6444         (m68k_tls_get_addr, m68k_get_tls_get_addr)
6445         (m68k_libcall_value_in_a0_p)
6446         (m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp)
6447         (m68k_call_m68k_read_tp): Helper variables and functions for ...
6448         (m68k_legitimize_tls_address): Handle TLS references.
6449         (m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p):
6450         New functions.
6451         (m68k_legitimize_address): Handle TLS symbols.
6452         (m68k_get_reloc_decoration): New static function.
6453         (m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and
6454         UNSPEC_RELOC32.
6455         (m68k_output_dwarf_dtprel): Implement hook.
6456         (print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32.
6457         (m68k_libcall_value): Return result in A0 instead of D0 when asked by
6458         m68k_call_* routines.
6459         (sched_attr_op_type): Handle TLS symbols.
6460         (gt-m68k.h): Include.
6461         * config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define.
6462         (LEGITIMATE_PIC_OPERAND_P): Support TLS.
6463
6464 2009-05-18  Martin Jambor  <mjambor@suse.cz>
6465
6466         * ipa-prop.c (ipa_check_stmt_modifications): Removed.
6467         (visit_store_addr_for_mod_analysis): New function.
6468         (ipa_detect_param_modifications): Use walk_stmt_load_store_addr_ops.
6469         (determine_cst_member_ptr): Use gimple_assign_single_p.
6470         (ipa_get_stmt_member_ptr_load_param): Use gimple_assign_single_p.
6471         (ipa_analyze_call_uses): Use !gimple_assign_rhs2 rather than number of
6472         operands.  Don't check number of operands of a NOP_EXPR.
6473
6474 2009-05-18  Eric Fisher  <joefoxreal@gmail.com>
6475
6476         * doc/tree-ssa.texi (SSA Operands): Fix a mistake.
6477
6478 2009-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6479
6480         PR c/40172
6481         * c-common.c (warn_logical_operator): Don't warn if one of
6482         expression isn't always true or false.
6483
6484 2009-05-17  Kai Tietz  <kai.tietz@onevision.com>
6485
6486         * config/i386/biarch32.h: New file.
6487         * config.gcc: Add for target i386-w64-* the biarch32.h to tm_file.
6488
6489 2009-05-17  Adam Nemet  <anemet@caviumnetworks.com>
6490
6491         * config/mips/mips.md (*zero_extend<mode>_trunchi,
6492         *zero_extend<mode>_truncqi): Merge these into ...
6493         (*zero_extend<GPR:mode>_trunc<SHORT:mode>): ... this new pattern.
6494         Name the pattern following this as *zero_extendhi_truncqi.
6495
6496 2009-05-16  Brad Lucier  <lucier@math.purdue.edu>
6497
6498         PR middle-end/39301
6499         * hwint.h: Add macro HOST_WIDEST_INT_PRINT.
6500         * bitmap.c (bitmap_descriptor): Make fields HOST_WIDEST_INT.
6501         (output_info): Make field HOST_WIDEST_INT.
6502         (print_statistics): Use HOST_WIDEST_INT_PRINT.
6503         (dump_bitmat_statistics): Same.
6504
6505 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gmail.com>
6506
6507         * config.gcc (use_gcc_stdint):  Set to wrap.
6508         * config/darwin.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
6509         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
6510         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6511         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6512         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6513         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6514         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6515         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
6516
6517 2009-05-16  Joseph Myers  <joseph@codesourcery.com>
6518
6519         * config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and
6520         tune_64.
6521         * config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT):
6522         Move definitions earlier.
6523         (OPT_ARCH64, OPT_ARCH32): Define.
6524         (OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32
6525         and tune_64.
6526
6527 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
6528
6529         PR target/40153
6530         * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
6531         implies.
6532
6533 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
6534
6535         * arm.md (movdi2): Copy non-reg values to DImode registers.
6536
6537 2009-05-16  Jakub Jelinek  <jakub@redhat.com>
6538
6539         PR target/39942
6540         * final.c (label_to_max_skip): New function.
6541         (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
6542         CODE_LABEL_NUMBER <= max_labelno.
6543         * output.h (label_to_max_skip): New prototype.
6544         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
6545         (ix86_avoid_jump_mispredicts): ... this.  Don't define if
6546         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
6547         Handle CODE_LABELs with >= 16 byte alignment or with
6548         max_skip == (1 << align) - 1.
6549         (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
6550         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.
6551
6552         PR target/39942
6553         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
6554         .p2align 3 if MAX_SKIP is smaller than 7.
6555         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
6556
6557 2009-05-15  Ian Lance Taylor  <iant@google.com>
6558
6559         * alias.c (struct alias_set_entry_d): Rename from struct
6560         alias_set_entry.  Change all uses.
6561         * except.c (struct call_site_record_d): Rename from struct
6562         call_site_record.  Change all uses.
6563         * except.h (struct eh_region_d): Rename from struct eh_region.
6564         Change all uses.
6565         * gcse.c (struct hash_table_d): Rename from struct hash_table.
6566         Change all uses.
6567         * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
6568         ivtype_map_elt.  Change all uses.
6569         (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
6570         Change all uses.
6571         (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
6572         * graphite.h (struct name_tree_d): Rename from struct name_tree.
6573         Change all uses.
6574         (struct sese_d): Rename from struct sese.  Change all uses.
6575         * omega.h (struct eqn_d): Rename from struct eqn.  Change all uses.
6576         (struct omega_pb_d): Rename from struct omega_pb.  Change all uses.
6577         * optabs.h (struct optab_d): Rename from struct optab.  Change all
6578         uses.
6579         (struct convert_optab_d): Rename from struct convert_optab.
6580         Change all uses.
6581         * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
6582         ipa_opt_pass.  Change all uses.
6583         * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
6584         all uses.
6585
6586         * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
6587         defined as a typedef.
6588         (grokdeclarator): If -Wc++-compat, warn if a typedef is already
6589         defined as a tag.
6590
6591 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6592
6593         PR 16302
6594         * fold-const.c (make_range,build_range_check,merge_ranges): Move
6595         declaration to...
6596         (merge_ranges): Returns bool. 
6597         * tree.h (make_range): .. to here.
6598         (build_range_check): Likewise.
6599         (merge_ranges): Likewise. Renamed from merge_ranges.
6600         * c-typeck.c (parser_build_binary_op): Update calls to
6601         warn_logical_operator.
6602         * c-common.c (warn_logical_operator): Add new warning.
6603         * c-common.h (warn_logical_operator): Update declaration.
6604         
6605 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6606
6607         * ira-conflicts.c (add_insn_allocno_copies): Fix wrong conditional.
6608         
6609 2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6610
6611         * doc/install.texi: Document MPC requirements, flags etc.
6612
6613         * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
6614         (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
6615         Evaluate constant arguments.
6616         (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
6617         (fold_builtin_1): Likewise, also evaluate constant arguments.
6618         Remove superfluous break.
6619         (do_mpc_ckconv): New.
6620         * real.h: Include mpc.h.
6621         * toplev.c (print_version): Output MPC version info if available.
6622
6623 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
6624
6625         * fold-const.c (fold_convert_const_real_from_real): Check for overflow.
6626
6627 2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>
6628
6629         * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
6630         only once.
6631
6632 2009-05-15  Jan Hubicka  <jh@suse.cz>
6633
6634         * doc/invoke.texi (max-early-inliner-iterations): New flag.
6635         * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
6636         (try_inline): Fix return value.
6637         (cgraph_decide_inlining_incrementally): Honor new value.
6638         (cgraph_early_inlining): Handle indirect inlining.
6639         * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.
6640
6641 2009-05-15  Jan Hubicka  <jh@suse.cz>
6642
6643         * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
6644         * cgraphunit.c (cgraph_finalize_function): Set it.
6645         (cgraph_expand_function): Use it.
6646
6647 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
6648
6649         * real.c (encode_ieee_half): Define.
6650         (decode_ieee_half): Define.
6651         (ieee_half_format): Define.
6652         (arm_half_format): Define.
6653         * real.h (ieee_half_format): Declare.
6654         (arm_half_format): Declare.
6655
6656 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
6657
6658         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
6659         swapped, and reversed optabs exist before trying to use them.
6660
6661 2009-05-15  Paul Brook  <paul@codesourcery.com>
6662             Sandra Loosemore  <sandra@codesourcery.com>
6663
6664         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
6665         loads.  Allow PRE_DEC.
6666         (output_move_neon): Handle PRE_DEC.
6667         (arm_print_operand): Add 'A' for neon structure loads.
6668         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
6669         * config/arm/neon.md (neon_mov): Update comment.
6670         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
6671         calls.
6672         (Um): New constraint.
6673
6674 2009-05-15  Jan Hubicka  <jh@suse.cz>
6675
6676         Revert the following patch until testsuite fallout is fixed:
6677         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
6678         * cgraph.h (struct inline_summary): New filed self_wize,
6679         size_inlining_benefit, self_time and time_inlining_benefit.
6680         (struct cgraph_global_info): Replace insns by time ans size fields.
6681         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
6682         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
6683         (ipcp_update_callgraph): Do not touch function bodies.
6684         * ipa-inline.c: Include except.h
6685         (MAX_TIME): New constant.
6686         (overall_insns): Remove
6687         (overall_size, max_benefit): New static variables.
6688         (cgraph_estimate_time_after_inlining): New function.
6689         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
6690         (cgraph_clone_inlined_nodes): Update size.
6691         (cgraph_mark_inline_edge): Update size.
6692         (cgraph_estimate_growth): Use size info.
6693         (cgraph_check_inline_limits): Check size.
6694         (cgraph_default_inline_p): Likewise.
6695         (cgraph_edge_badness): Compute badness based on benefit and size cost.
6696         (cgraph_decide_recursive_inlining): Check size.
6697         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
6698         and times.
6699         (cgraph_decide_inlining): Likewise.
6700         (cgraph_decide_inlining_incrementally): Likewise; honor
6701         PARAM_EARLY_INLINING_INSNS.
6702         (likely_eliminated_by_inlining_p): New predicate.
6703         (estimate_function_body_sizes): New function.
6704         (compute_inline_parameters): Use it.
6705         * except.c (must_not_throw_labels): New function.
6706         * except.h (must_not_throw_labels): Declare.
6707         * tree-inline.c (init_inline_once): Kill inlining_weigths
6708         * tree-ssa-structalias.c: Avoid uninitialized warning.
6709         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
6710         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
6711         (PARAM_INLINE_CALL_COST): Remove.
6712         (PARAM_EARLY_INLINING_INSNS): New.
6713
6714 2009-05-15  Richard Guenther  <rguenther@suse.de>
6715
6716         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
6717         not TODO_update_ssa.
6718
6719 2009-05-15  Richard Guenther  <rguenther@suse.de>
6720
6721         PR tree-optimization/39999
6722         * gimple.h (gimple_expr_type): Use the expression type looking
6723         through useless conversions.
6724         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
6725         (vn_nary_op_insert_stmt): Likewise.
6726         (simplify_binary_expression): Likewise.
6727
6728 2009-05-15  Richard Guenther  <rguenther@suse.de>
6729
6730         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
6731         New options, enabled by default.
6732         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
6733         Document.
6734         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
6735         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
6736         * tree-ssa-structalias.c (gate_tree_pta): New function.
6737         (pass_build_alias): Use it.
6738
6739 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
6740
6741         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
6742         recurse on an invariant address if a conversion from a pointer
6743         type to a wider integer type is involved.
6744
6745 2009-05-15  Jan Hubicka  <jh@suse.cz>
6746
6747         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
6748         * cgraph.h (struct inline_summary): New filed self_wize,
6749         size_inlining_benefit, self_time and time_inlining_benefit.
6750         (struct cgraph_global_info): Replace insns by time ans size fields.
6751         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
6752         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
6753         (ipcp_update_callgraph): Do not touch function bodies.
6754         * ipa-inline.c: Include except.h
6755         (MAX_TIME): New constant.
6756         (overall_insns): Remove
6757         (overall_size, max_benefit): New static variables.
6758         (cgraph_estimate_time_after_inlining): New function.
6759         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
6760         (cgraph_clone_inlined_nodes): Update size.
6761         (cgraph_mark_inline_edge): Update size.
6762         (cgraph_estimate_growth): Use size info.
6763         (cgraph_check_inline_limits): Check size.
6764         (cgraph_default_inline_p): Likewise.
6765         (cgraph_edge_badness): Compute badness based on benefit and size cost.
6766         (cgraph_decide_recursive_inlining): Check size.
6767         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
6768         and times.
6769         (cgraph_decide_inlining): Likewise.
6770         (cgraph_decide_inlining_incrementally): Likewise; honor
6771         PARAM_EARLY_INLINING_INSNS.
6772         (likely_eliminated_by_inlining_p): New predicate.
6773         (estimate_function_body_sizes): New function.
6774         (compute_inline_parameters): Use it.
6775         * except.c (must_not_throw_labels): New function.
6776         * except.h (must_not_throw_labels): Declare.
6777         * tree-inline.c (init_inline_once): Kill inlining_weigths
6778         * tree-ssa-structalias.c: Avoid uninitialized warning.
6779         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
6780         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
6781         (PARAM_INLINE_CALL_COST): Remove.
6782         (PARAM_EARLY_INLINING_INSNS): New.
6783         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
6784         (inline-call-cost): Remove.
6785         (early-inlining-insns): New.
6786
6787 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
6788
6789         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
6790         for bounds.
6791         (print_int_cst_bounds_in_octal_p): Likewise.
6792         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
6793         with subtypes.
6794         * dwarf2out.c (base_type_die): Likewise.
6795         (is_subrange_type): Delete.
6796         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
6797         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
6798         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it
6799         if the destination type is boolean.
6800         (build_range_check): Do not special-case subtypes.
6801         (fold_sign_changed_comparison): Likewise.
6802         (fold_unary): Likewise.
6803         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
6804         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
6805         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
6806         * tree.c (subrange_type_for_debug_p): New predicate based on the
6807         former is_subrange_type.
6808         * tree.h (subrange_type_for_debug_p): Declare.
6809         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
6810         (convert_affine_scev): Remove call to above function.
6811         (chrec_convert_aggressive): Likewise.
6812         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
6813         false for conversions involving subtypes.
6814         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
6815         (vrp_val_min): Likewise.
6816         (needs_overflow_infinity): Likewise.
6817         (extract_range_from_unary_expr): Likewise.
6818
6819 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
6820
6821         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
6822         * config/frv/frv.c: Likewise.
6823         * config/s390/s390.c: Likewise.
6824         * config/sparc/sparc.h: Likewise.
6825         * config/i386/i386.h: Likewise.
6826         * config/i386/i386.c: Likewise.
6827         * config/crx/crx.c: Likewise.
6828         * config/m68hc11/m68hc11.h: Likewise.
6829         * config/iq2000/iq2000.c: Likewise.
6830         * config/mn10300/mn10300.h: Likewise.
6831         * config/mn10300/mn10300.c: Likewise.
6832         * config/m68k/m68k.c: Likewise.
6833         * config/rs6000/rs6000.c: Likewise.
6834         * config/rs6000/xcoff.h: Likewise.
6835         * config/rs6000/linux64.h: Likewise.
6836         * config/rs6000/sysv4.h: Likewise.
6837         * config/score/score3.c: Likewise.
6838         * config/score/score7.c: Likewise.
6839         * config/score/score.c: Likewise.
6840         * config/arm/arm.md: Likewise.
6841         * config/mips/mips.c: Likewise.
6842         * config/mips/mips.md: Likewise.
6843         * config/bfin/bfin.h: Likewise.
6844         * config/pa/pa.c: Likewise.
6845         * config/pa/constraints.md: Likewise.
6846
6847         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
6848         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
6849         * config/pdp11/pdp11.h: Use memory_address_p instead.
6850
6851 2009-05-14  Ian Lance Taylor  <iant@google.com>
6852
6853         * passes.c (finish_optimization_passes): Change i to int.
6854         * plugin.c (plugins_active_p): Change event to int.
6855         (dump_active_plugins): Likewise.
6856         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
6857         Add cast.
6858         * tree.c (tree_range_check_failed): Change c to unsigned int.
6859         (omp_clause_range_check_failed): Likewise.
6860         (build_common_builtin_nodes): Change mode to int.  Add cast.
6861         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
6862         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
6863
6864         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
6865         ++ or -- with a variable of enum type.
6866
6867 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
6868
6869         PR driver/40144
6870         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
6871
6872 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
6873
6874         * store-motion.c: Do not include params.h
6875         * Makefile.in: Fix dependencies for various files.
6876
6877 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
6878
6879         * auto-inc-dec.c: Fix pass description, remove apparent
6880         accidental duplication.
6881
6882 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
6883
6884         PR middle-end/40147
6885         * ipa-utils.h (memory_identifier_string): Moved to ...
6886         * tree.h (memory_identifier_string): Here.  Add GTY(()).
6887
6888 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
6889
6890         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
6891         in the former documentation of...
6892         (GO_IF_LEGITIMATE_ADDRESS): ... this.
6893         * ira-conflicts.c (get_dup_num): Use address_operand.
6894         * targhooks.c (default_legitimate_address_p): New.
6895         * targhooks.h (default_legitimate_address_p): New.
6896         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
6897         Call hook.
6898         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
6899         * target.h (struct target): Add legitimate_address_p.
6900         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
6901         (TARGET_INITIALIZER): Include it.
6902
6903         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
6904         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
6905         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
6906         (TARGET_LEGITIMATE_ADDRESS_P): New.
6907
6908         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
6909         (REG_OK_STRICT_P): Delete.
6910         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
6911         (frv_legitimate_address_p_1): ... this.
6912         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
6913         (frv_legitimate_address_p_1): ... the renamed old
6914         frv_legitimate_address_p.
6915         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
6916         (TARGET_LEGITIMATE_ADDRESS_P): New.
6917
6918         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
6919         * config/s390/s390-protos.h (legitimate_address_p): Remove.
6920         * config/s390/s390.c (legitimate_address_p): Rename to...
6921         (s390_legitimate_address_p): ... this, make static.
6922         (legitimize_address): Adjust call.
6923         (TARGET_LEGITIMATE_ADDRESS_P): New.
6924         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
6925
6926         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
6927         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
6928         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
6929         (TARGET_LEGITIMATE_ADDRESS_P): New.
6930
6931         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
6932         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
6933         * config/spu/spu.c (spu_legitimate_address): Rename to...
6934         (spu_legitimate_address_p): ... this, make static.
6935         (TARGET_LEGITIMATE_ADDRESS_P): New.
6936
6937         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
6938         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
6939         * config/sparc/sparc.c (legitimate_address_p): Rename to...
6940         (sparc_legitimate_address_p): ... this, make static and return bool.
6941         (legitimize_address): Adjust call.
6942         (TARGET_LEGITIMATE_ADDRESS_P): New.
6943
6944         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
6945         * config/i386/i386-protos.h (legitimate_address_p): Remove.
6946         * config/i386/i386.c (legitimate_address_p): Rename to...
6947         (ix86_legitimate_address_p): ... this, make static.
6948         (constant_address_p): Move after it, adjust call.
6949         (TARGET_LEGITIMATE_ADDRESS_P): New.
6950
6951         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
6952         * config/avr/avr-protos.h (legitimate_address_p): Remove.
6953         * config/avr/avr.c (legitimate_address_p): Rename to...
6954         (avr_legitimate_address_p): ... this, make static.
6955         (legitimize_address): Adjust call.
6956         (TARGET_LEGITIMATE_ADDRESS_P): New.
6957
6958         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
6959         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
6960         * config/crx/crx.c (crx_legitimate_address_p): Make static.
6961         (TARGET_LEGITIMATE_ADDRESS_P): New.
6962
6963         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
6964         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
6965         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
6966         (TARGET_LEGITIMATE_ADDRESS_P): New.
6967
6968         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
6969         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
6970         Remove.
6971         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
6972         Make static.
6973         (TARGET_LEGITIMATE_ADDRESS_P): New.
6974
6975         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
6976         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
6977         Remove.
6978         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
6979         Rename to...
6980         (m68hc11_legitimate_address_p): ... this, make static.
6981         (go_if_legitimate_address_internal): Rename to...
6982         (m68hc11_legitimate_address_p_1): ... this.
6983         (legitimize_address): Adjust call.
6984         (TARGET_LEGITIMATE_ADDRESS_P): New.
6985
6986         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
6987         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p): Remove.
6988         * config/iq2000/iq2000.c (iq2000_legitimate_address_p): Make static.
6989         (TARGET_LEGITIMATE_ADDRESS_P): New.
6990
6991         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
6992         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
6993         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
6994         (mn10300_legitimate_address_p): ... this, make static.
6995         (TARGET_LEGITIMATE_ADDRESS_P): New.
6996
6997         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
6998         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
6999         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
7000         (TARGET_LEGITIMATE_ADDRESS_P): New.
7001
7002         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
7003         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
7004         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
7005         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
7006         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
7007         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
7008         (rs6000_legitimate_address_p): ... this, make static.
7009         (TARGET_LEGITIMATE_ADDRESS_P): New.
7010         (REG_MODE_OK_FOR_BASE_P): Delete.
7011         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
7012
7013         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
7014         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
7015         Delete.
7016         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
7017         static, adjust types.
7018         (TARGET_LEGITIMATE_ADDRESS_P): New.
7019
7020         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
7021         * config/score/score.c (score_address_p): Rename to...
7022         (score_legitimate_address_p): ... this.
7023         (TARGET_LEGITIMATE_ADDRESS_P): New.
7024         * config/score/score3.c (score3_address_p): Rename to...
7025         (score3_legitimate_address_p): ... this.
7026         * config/score/score7.c (score7_address_p): Rename to...
7027         (score7_legitimate_address_p): ... this.
7028
7029         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
7030         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
7031         GO_IF_LEGITIMATE_ADDRESS): Delete.
7032         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
7033         thumb2_legitimate_address_p): Delete.
7034         (arm_legitimate_address_p): Rename to...
7035         (arm_legitimate_address_outer_p): ... this.
7036         * config/arm/constraints.md ("Uq"): Adjust call.
7037         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
7038         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one
7039         to...
7040         (arm_legitimate_address_outer_p): ... this.
7041         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make
7042         static.
7043         (TARGET_LEGITIMATE_ADDRESS_P): New.
7044
7045         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
7046         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
7047         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
7048         (TARGET_LEGITIMATE_ADDRESS_P): New.
7049
7050         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
7051         * config/vax/vax-protos.h (legitimate_address_p): Remove.
7052         * config/vax/vax.c (legitimate_address_p): Rename to...
7053         (vax_legitimate_address_p): ... this, make static.
7054         (TARGET_LEGITIMATE_ADDRESS_P): New.
7055
7056         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
7057         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
7058         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
7059         (TARGET_LEGITIMATE_ADDRESS_P): New.
7060
7061         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
7062         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
7063         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
7064         (mmix_legitimate_address_p): ... this, make static.
7065         (TARGET_LEGITIMATE_ADDRESS_P): New.
7066
7067         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
7068         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
7069         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
7070         (TARGET_LEGITIMATE_ADDRESS_P): New.
7071
7072 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
7073
7074         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
7075         of MODE_COMPLEX_INT.
7076
7077 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7078
7079         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
7080         LCT_NORMAL in function call.
7081         * mips-tdump.c (print_file_desc): Add cast to enum type.
7082         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
7083         (mark_stabs): Add casts to enum types.
7084         (parse_stabs_common): Add casts to enum types.
7085
7086 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
7087
7088         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
7089         Check for invalid values of LETTER.
7090
7091 2009-05-13  Taras Glek  <tglek@mozilla.com>
7092
7093         * attribs.c (register_attribute): moved out attribute registration
7094         into register_attribute.
7095         * doc/plugins.texi: Documented register_attribute and
7096         PLUGIN_ATTRIBUTES.
7097         * gcc-plugin.h: Added forward decl for register_attribute.
7098         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
7099         * plugin.c (register_callback, invoke_plugin_callbacks): Added
7100         PLUGIN_ATTRIBUTES boilerplate.
7101
7102 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
7103
7104         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
7105         values even in sentinel and empty entries.
7106         (ms_printf_flag_specs):  Likewise.
7107         (ms_scanf_flag_specs):  Likewise.
7108         (ms_strftime_flag_specs):  Likewise.
7109         (ms_print_char_table):  Likewise.
7110         (ms_scan_char_table):  Likewise.
7111         (ms_time_char_table):  Likewise.
7112
7113 2009-05-13  Doug Kwan  <dougkwan@google.com>
7114
7115         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
7116
7117 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
7118
7119         * config/mips/mips.md (store): Add attributes for QI and HI.
7120         Update comment.
7121         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
7122         (truncdi<mode>2): ... this new pattern.
7123
7124 2009-05-13  Brad Hards  <bradh@kde.org>
7125
7126         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
7127
7128 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
7129             Ben Elliston <bje@au.ibm.com>
7130
7131         PR middle-end/40035
7132         * dse.c (check_mem_read_rtx): Guard against width == -1.
7133
7134 2009-05-13  Michael Matz  <matz@suse.de>
7135
7136         PR middle-end/39976
7137         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
7138         (trivially_conflicts_p): New function.
7139         (insert_backedge_copies): Use it.
7140
7141 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
7142
7143         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
7144         (handle_stdc_pragma): Use new enum constant names.
7145         (handle_pragma_float_const_decimal64): Ditto.
7146
7147 2009-05-13  Ian Lance Taylor  <iant@google.com>
7148
7149         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
7150         tree.def.
7151
7152 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
7153
7154         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
7155         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
7156         multilibs.
7157         * config/m68k/m68k.h (FL_UCLINUX): Define.
7158
7159 2009-05-13  Jan Hubicka  <jh@suse.cz>
7160
7161         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
7162
7163 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7164
7165         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
7166         unless -fschedule-insns is specified.
7167
7168 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7169
7170         PR target/39561
7171         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
7172         TARGET_EXPAND_CBRANCHDI4.
7173         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
7174         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
7175         (cmpeqdi): Fix comment.
7176
7177 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7178
7179         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
7180         (sh_legitimate_address_p): Likewise.
7181         * config/sh/sh.c (sh_legitimate_index_p): New.
7182         (sh_legitimate_address_p): Likewise.
7183         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
7184         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
7185         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
7186         (MAYBE_BASE_REGISTER_RTX_P): New macro.
7187         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
7188         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
7189         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
7190         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
7191         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
7192
7193 2009-05-12  Jan Hubicka  <jh@suse.cz>
7194
7195         * tree-inline.c (estimate_operator_cost): Add operands;
7196         when division happens by constant, it is cheap.
7197         (estimate_num_insns): Loads and stores are not having cost of 0;
7198         EH magic stuff is cheap; when computing runtime cost of switch,
7199         use log2 base of amount of its cases; builtin_expect has cost of 0;
7200         compute cost for moving return value of call.
7201         (init_inline_once): Initialize time_based flags.
7202         * tree-inline.h (eni_weights_d): Add time_based flag.
7203
7204 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
7205
7206         * df-core.c: Update head documentation.
7207
7208 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
7209
7210         PR bootstrap/40118
7211         * rs6000.c (rs6000_generate_compare): Use op1b instead of
7212         shadowing exisiting variable op1.
7213
7214 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
7215
7216         PR target/37179
7217         * config/i386/driver-i386.c (processor_signatures): New enum.
7218         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
7219         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
7220         processor signature to detect geode processor.
7221
7222 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
7223
7224         Revert:
7225
7226         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
7227
7228         * optabs.c (prepare_cmp_insn): Temporarily disable test that
7229         causes spurious differences between trunk and cond-optab branch.
7230
7231 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
7232
7233         * dojump.c (compare_from_rtx): Delete.
7234         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
7235         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
7236         if the comparison does not satisfy the predicate; test predicates for
7237         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
7238         further if one existing pattern fails.
7239         * expr.h (compare_from_rtx): Delete.
7240         (prepare_operand): Declare it.
7241         * optabs.c: Change "lib call" to "libcall" throughout.
7242         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
7243         HAVE_conditional_trap, emit_cmp_insn): Delete.
7244         (can_compare_p): Delete cmp_optab case.
7245         (prepare_float_lib_cmp): Return an rtx and a machine mode.
7246         Accept other parameters by value.
7247         (prepare_operand): Make non-static.
7248         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
7249         other parameters by value.  Try to widen operands here based on
7250         an optab_methods argument and looking at cbranch_optab.
7251         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
7252         loop.  Use cbranch_optab directly.
7253         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
7254         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
7255         assertion.
7256         (emit_conditional_move, emit_conditional_add): Inline what's needed
7257         of compare_from_rtx, using new prepare_cmp_insn for the rest.
7258         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
7259         with COMPARE.  Move cmov_optab and cstore_optab above
7260         with cbranch_optab, move cmp_optab down with ucmp_optab,
7261         remove tst_otpab.  Do not initialize trap_rtx.
7262         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
7263         for trap code.  Do not check HAVE_conditional_trap.  Use
7264         prepare_cmp_insn.  Accept no predicate for operand 3.
7265         * optabs.h (OTI_cmp): Mark as used only for libcalls.
7266         (OTI_ctrap, ctrap_optab): New.
7267         (tst_optab): Delete.
7268         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
7269         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
7270         with lookup of ctrap_optab.
7271         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn, setcc_gen_code):
7272         Delete.
7273         (ctrap_optab): New.
7274
7275         * combine.c (combine_simplify_rtx, simplify_set): Do not
7276         special case comparing against zero for cc0 machines.
7277         * simplify-rtx.c (simplify_binary_operation_1): Never remove
7278         COMPARE on cc0 machines.
7279         (simplify_relational_operation): Return a new expression when
7280         a COMPARE could be removed.
7281         * final.c (final_scan_insn): Compare cc_status values
7282         against LHS of a (compare FOO (const_int 0)) cc0 source.
7283         Also check if cc_status.value is the full compare.
7284
7285         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
7286         (cstoreMM4): Document.
7287         (conditional_trap): Document ctrapMM4 instead.
7288         (sync_compare_and_swapMM): Refer to cbranchcc4.
7289         (Dependent Patterns): Eliminate obsolete information referring to
7290         the old jump optimization phase.
7291         (Canonicalization): Include cbranchcc4 case, omit canonicalization
7292         of compares with 0 on cc0 machines.
7293         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
7294         avoiding references to cc0.  Remove text about storing operands
7295         in cmpMM.
7296         * doc/tm.texi (Condition Codes): Include blurb on different
7297         condition code representations, separate into subsections for
7298         CC0, MODE_CC and conditional execution.
7299
7300         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
7301         alpha_emit_setcc): Accept operands and a machine mode.
7302         * config/alpha/alpha.c (alpha_emit_conditional_branch):
7303         Get code/op0/op1 from operands, use machine mode argument
7304         instead of alpha_compare.fp_p.  Emit the branch here.
7305         (alpha_emit_setcc): Likewise, and return boolean.
7306         (alpha_emit_conditional_move): Likewise.  Assert that
7307         cmp_op_mode == cmp_mode, and simplify accordingly.
7308         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
7309         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
7310         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
7311         Delete.
7312         (stack probe test): Use cbranchdi4.
7313         * config/alpha/predicates.md (alpha_cbranch_operator): New.
7314
7315         * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
7316         * config/arc/arc.h (movsicc, movsfcc): Use it.
7317         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
7318         (cbranchsi4, cstoresi4): New.
7319         (cmpsi, bCC and sCC expanders): Remove. 
7320
7321         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
7322         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
7323         * config/arm/predicates.md (arm_comparison_operator): Only include
7324         floating-point operators if there is a hardware floating-point unit.
7325         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
7326         deferring to cbranch_cc and cstore_cc respectively.
7327         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
7328         cbranch_cc, cstore_cc): New.
7329         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
7330         arm_compare_op1.
7331         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
7332
7333         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
7334         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
7335         as an argument.
7336         (adjust_insn_length): Adjust calls.
7337         (avr_reorg): Handle (compare (foo) (const_int 0)).
7338         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
7339         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
7340         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
7341         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
7342         (bCC): Remove.
7343         (cbranchqi4, cbranchhi4, cbranchsi4): New.
7344         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
7345
7346         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
7347         (cbranchsi4, cstorebi4, cstoresi4): New.
7348         (movbisi): This insn is duplicate, split it to zero_extend.
7349         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
7350         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
7351         (bfin_optimize_loop): Use cbranch expander.
7352         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
7353         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
7354         (bfin_bimode_comparison_operator): ... this.
7355         (bfin_direct_comparison_operator): New.
7356  
7357         * config/cris/cris.c (cris_normal_notice_update_cc): Look
7358         inside (compare FOO (const_int 0)).
7359         (cris_rtx_costs): Handle ZERO_EXTRACT.
7360         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
7361         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
7362         (*tstdi_v32): Delete.
7363         (*cmpdi_non_v32): Add M alternative for operand 1.
7364         (cmpsi, cmp<mode>): Make private.
7365         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
7366         with COMPARE.
7367         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
7368
7369         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
7370         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
7371         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
7372         (cc_reg_operand): New.
7373         (any_cond): Delete.
7374         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
7375         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
7376         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
7377         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
7378         crx_expand_scond): Delete.
7379
7380         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
7381         (cbranchsi4): New.
7382         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
7383         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
7384
7385         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
7386         cstoresi4, cstoresf4, cstoredf4): New.
7387         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
7388         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
7389         Receive the entire operands array.
7390         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
7391         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
7392         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
7393         Get test/op0/op1 from the operands array.
7394         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
7395
7396         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
7397         (h8300_expand_store): New.
7398         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
7399         (const_int 0)).
7400         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
7401         (h8300_expand_store): New.
7402         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
7403         or do not try to produce (set (cc0) REG).
7404         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
7405         change a compare into a move to a scratch register.  Disable some
7406         peepholes when comparing with zero.
7407         (tstsi, tsthi, tstsi, cmpqi): Make private.
7408         (cmphi): Delete.
7409         (bCC, sCC): Delete.
7410         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
7411         cstoresi4): New.
7412
7413         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
7414         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
7415         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
7416         (ix86_emit_i387_log1p): Use cbranchxf2.
7417         (ix86_expand_setcc): Return void.
7418         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
7419         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
7420         cmp<MODEF>, cmpcc): Remove.
7421         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
7422         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
7423         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
7424         (sCC and bCC expanders): Remove.
7425         (stack_protect_test): Use cbranchcc4.
7426
7427         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
7428         Delete.
7429         (ia64_expand_compare): Accept three rtx by reference and return void.
7430         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
7431         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
7432         from *expr.  Update *expr with the BImode comparison to do.
7433         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
7434         cmptf, bCC, sCC, conditional_trap): Delete.
7435         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
7436         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
7437         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
7438         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
7439         * config/ia64/predicates.md (ia64_cbranch_operator): New.
7440
7441         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
7442         type of last argument.
7443         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
7444         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
7445         use machine mode argument instead of branch_type.  Remove dead
7446         code for floating-point comparisons.
7447         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
7448         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
7449         Remove.
7450         (cbranchsi4, cstoresi4): New.
7451         * config/iq2000/predicates.md (reg_or_const_operand): New.
7452
7453         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
7454         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
7455         (b<code>_op): Rewrite to...
7456         (bcc_op): ... this, using match_operator.
7457         (s<code>_op): Rewrite to...
7458         (scc_op): ... this, using match_operator.
7459         (s<code>_24_op): Rewrite to...
7460         (scc_op_24): ... this, using match_operator.
7461         (s<code>_<mode>): Rewrite to...
7462         (cstore<mode>4): ... this, using match_operator.
7463         (s<code>_<mode>_24): Rewrite to...
7464         (cstore<mode>4_24): ... this, using match_operator.
7465         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
7466         m32c_unpend_compare, m32c_expand_scc): Delete.
7467         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
7468         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
7469         (m32c_expand_movcc): Change NE to EQ if necessary.
7470         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
7471
7472         * config/m32r/m32r-protos.h (gen_cond_store): New.
7473         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
7474         (gen_cond_store): New, from sCC patterns.
7475         (m32r_expand_block_move): Use cbranchsi4.
7476         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
7477         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
7478         (cbranchsi4, cstoresi4): New.
7479         
7480         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
7481         Delete.
7482         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
7483         (m68hc11_notice_update_cc): Look into a compare with 0.
7484         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
7485         Delete.
7486         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
7487         cmphi, cmpqi, bCC): Delete.
7488         (cbranchsi4, cbranchhi4, cbranchqi4): New.
7489         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
7490         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
7491         sets with COMPARE.
7492
7493         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
7494         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
7495         * config/m68k/constraints.md (H): New.
7496         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
7497         the define_insn below.
7498         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
7499         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
7500         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
7501         patterns): Wrap RHS with COMPARE.
7502         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
7503         (*cmpdi_internal): Name this pattern.
7504         (cmpdi): Change to define_insn.
7505         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
7506         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
7507         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
7508         predicate.
7509         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
7510         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
7511         (conditional_trap): Change to...
7512         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
7513         (*conditional_trap): Use the ordered_comparison_operator and
7514         const1_operand predicates.
7515         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
7516         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
7517         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
7518         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
7519
7520         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
7521         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
7522         (mcore_gen_compare): New. 
7523         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
7524         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
7525         (mcore_gen_compare): ... this.
7526         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
7527         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
7528         (stack probe pattern): Use cbranchsi4.
7529
7530         * config/mips/predicates.md (mips_cstore_operator): New.
7531         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
7532         * config/mips/mips.md (any_cond): Delete.
7533         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
7534         always succeed.
7535         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
7536         fixuns_truncsfdi2): Use cbranch patterns.
7537         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
7538         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
7539         Adjust call to mips_expand_conditional_branch.
7540         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
7541         cstore<GPR:mode>4.
7542         * config/mips/mips-protos.h (mips_expand_conditional_branch,
7543         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
7544         * config/mips/mips.c (cmp_operands): Delete.
7545         (mips_emit_compare): Get comparison operands from *op0/*op1.
7546         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
7547         that it succeeds.  Use op0/op1 instead of cmp_operands.
7548         (mips_expand_conditional_branch, mips_expand_conditional_move,
7549         mips_expand_conditional_trap): Likewise.
7550         (mips_block_move_loop): Use cbranch patterns. 
7551         * config/mips/mips.h (cmp_operands): Delete.
7552
7553         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
7554         (mmix_gen_compare_reg): Just return a register in the right CC mode.
7555         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
7556         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
7557         (*cmpcc_folded): Rename to...
7558         (*cmpdi_folded): this.
7559         (*cmpcc): Rename to...
7560         (*cmps): ... this.
7561         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
7562         (bCC): Remove.
7563         (cbranchdi4): New.
7564         (cbranchdf4): New.  Handle invalid comparisons here.
7565         * config/mmix/predicates.md (float_comparison_operator): New.
7566
7567         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
7568         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
7569         * config/mn10300/mn10300.md (tst): Delete.
7570         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
7571         Name these patterns and wrap RHS in a compare.
7572         (*cmpsi): Make this pattern private.  Include tst.
7573         (*cmpsf): Make this pattern private.
7574         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
7575         (compare with zero peepholes): Likewise.
7576         (bCC): Remove.
7577         (cbranchsi4, cbranchsf4): New.
7578         (casesi): Use cbranchsi4.
7579
7580         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
7581         hppa_branch_type): Delete.
7582         (return_addr_rtx): Use cbranchsi4.
7583         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
7584         Emit CCFPmode comparison here.
7585         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
7586         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
7587         hppa_branch_type): Delete.
7588         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
7589         (movsicc, movdicc): Remove references to hppa_compare_op0,
7590         hppa_compare_op1 and compare_from_rtx.
7591         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
7592         (casesi): Use cbranchsi4.
7593
7594         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
7595         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
7596         * config/pdp11/pdp11.md (register_or_const0_operand): New.
7597         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
7598         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
7599         (bCC): Delete.
7600         (cbranchdf4, cbranchhi4, cbranchqi4): New.
7601         (*branch, *branch_inverted): New.
7602
7603         * config/picochip/picochip.md (cbranchhi4): Use
7604         ordered_comparison_operator.
7605         (cmphi, bCC): Remove.
7606
7607         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
7608         (trap_comparison_operator): Delete.
7609         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
7610         rs6000_emit_cbranch): Accept mode and operands.
7611         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
7612         rs6000_compare_fp_p): Delete.   
7613         (rs6000_generate_compare): Accept mode and comparison.  Extract code
7614         and op0/op1 from there.  Replace references to rs6000_compare_op0
7615         and rs6000_compare_op1.
7616         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
7617         extract result from passed operands.
7618         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
7619         extract loc from passed operands.
7620         (rs6000_emit_cmove): Likewise.
7621         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
7622         rs6000_compare_fp_p): Delete.
7623         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
7624         (cbranch<GPR>4, cbranch<FP>4): New.
7625         (cstore<mode>4): New.  Consolidate here all choices about when to use
7626         portable or specialized sCC sequences.
7627         (stack_protect_test): Use cbranchsi4.
7628         (conditional_trap): Replace with ctrap<GPR>4.
7629         (conditional trap insn): Replace trap_comparison_operator with
7630         ordered_comparison_operator. 
7631
7632         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
7633         (s390_emit_prologue): Use ctrap.
7634         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
7635         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
7636         New predicates replacing...
7637         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
7638         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
7639         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
7640         (add<mode>cc): Do not use s390_compare_op0/op1.
7641         (s<code>): Change to...
7642         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
7643         (seq): Change to...
7644         (cstorecc4): ... this.  Handle EQ or NE equally.
7645         (*sne): Un-privatize for use in cstorecc4.
7646         (b<code>): Change to...
7647         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
7648         (conditional_trap): Replace with...
7649         (ctrap<GPR>4, ctrap<FP>4): ... these.
7650         (stack_protect): Use cbranchcc4.
7651
7652         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
7653         * config/score/score-protos.h (score_gen_cmp): Delete.
7654         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
7655         (score_block_move-loop): Use cbranchsi4.
7656         * config/score/score.md (cbranchsi4): New.
7657         (cmpsi, bCC): Delete.
7658         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
7659         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
7660         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
7661         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
7662         * config/score/score3.h (score3_gen_cmp): Delete.
7663         * config/score/score7.h (score7_gen_cmp): Delete.
7664
7665         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
7666         (sh_emit_scc_to_t): ... this.  Return void.
7667         (from_compare): Rename to...
7668         (sh_emit_compare_and_branch): ... this.
7669         (sh_emit_compare_and_set): New.
7670         (sh_expand_t_scc): Accept operands.
7671         * config/sh/predicates.md (sh_float_comparison_operator): New.
7672         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
7673         (prepare_scc_operands): Rename to...
7674         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
7675         arguments.
7676         (sh_emit_cheap_store_flag): New.
7677         (sh_emit_set_t_insn): New.
7678         (from_compare): Rename to...
7679         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
7680         handling of TARGET_SH2E floating point to avoid recursive call.
7681         Generate branch here.
7682         (sh_emit_compare_and_set): New.
7683         (sh_expand_t_scc): Get op0/op1 from arguments.
7684         (sh_emit_cheap_store_flag): New.
7685         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
7686         cases.
7687         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
7688         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
7689         (movsicc, movdicc): Do nothing when it recreated operands from
7690         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
7691         prepare_scc_operands (now sh_emit_scc_to_t).
7692         (udivdi3): Use cstoresi4.
7693         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
7694         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
7695         (cbranchint4_media, cbranchfp4_media): New.
7696         (casesi): Use cbranchdi4.
7697         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
7698         Delete.
7699         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
7700         (movnegt): Remove second operand.
7701         (cbranchsf4, cbranchdf4): New.
7702         (stack_protect): Use cbranchdi4/cbranchsi4.
7703
7704         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
7705         (gen_compare_reg): Accept comparison, extract part of it to...
7706         (gen_compare_reg_1): ... this. 
7707         (gen_compare_operator): Delete.
7708         (gen_v9_scc): Accept separate destination, comparison code and arms.
7709         Do not use sparc_compare_op0/sparc_compare_op1.
7710         (emit_scc_insn, emit_conditional_branch_insn): New.
7711         (emit_v9_brxx): Make static.  Remove useless assertion.
7712         (sparc_emit_float_lib_cmp): Return RTL instead of calling
7713         emit_cmp_insn.
7714         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
7715         * config/sparc/sparc-protos.h (gen_compare_reg,
7716         sparc_emit_float_lib_cmp): Adjust prototype.
7717         (emit_scc_insn, emit_conditional_branch_insn): New.
7718         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
7719         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
7720         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
7721         iterators to the top.
7722         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
7723         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
7724         snedi_special_trunc): Delete.
7725         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
7726         and snedi_special_trunc.
7727         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
7728         cbranchdi4, cbranch<F:mode>4): New.
7729         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
7730         here.  Use gen_compare_reg instead of gen_compare_operator.
7731         (conditional_trap): Replace with...
7732         (ctrapsi4, ctrapdi4): ... this.
7733         (stack_protect_test): Use cbranchcc4.
7734
7735         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
7736         argument to rtx.
7737         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
7738         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
7739         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
7740         from operands[0] or operands[3] depending on is_set.
7741         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
7742         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
7743         cmpdf, bCC), sCC: Remove.
7744         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
7745         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
7746         cstoredf4): New.
7747         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
7748         spu_emit_branch_or_set.
7749
7750         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
7751         Add two arguments.
7752         * config/stormy16/stormy16.h (xstormy16_compare_op0,
7753         xstormy16_compare_op1): Delete.
7754         * config/stormy16/stormy16.c (xstormy16_compare_op0,
7755         xstormy16_compare_op1): Delete. 
7756         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
7757         Adjust calls.
7758         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
7759         (cmphi, cmpsi, bCC): Remove.
7760
7761         * config/v850/v850.md (tstsi, cmpsi): Fold into...
7762         (*cmpsi): ... this one.
7763         (cbranchsi4, cstoresi4): New.
7764         (bCC expanders): Delete.
7765         (sCC insns): Fold into...
7766         (*setcc): ... this one.
7767         (casesi): Do not use gen_cmpsi and gen_bgtu. 
7768         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
7769         (movsicc): Simplify.
7770         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
7771
7772         * config/vax/vax-protos.h (cond_name): New.
7773         (vax_output_conditional_branch): Remove.
7774         * config/vax/vax.c (cond_name): New.
7775         (vax_output_conditional_branch): Remove.
7776         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
7777         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
7778         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
7779         (bit<VAXint>): Wrap source with (compare).
7780         (b<code> and following unnamed pattern): Rename to *branch and
7781         *branch_reversed.  Change macroization to match_operator.
7782         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
7783
7784         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
7785         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
7786         Change last argument to machine_mode.
7787         (xtensa_expand_scc): Add machine_mode argument.
7788         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
7789         (gen_conditional_move, xtensa_expand_conditional_branch,
7790         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
7791         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
7792         Adjust operand numbers.
7793         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
7794         Delete.
7795         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
7796         (cmpsi, cmpsf, b<code>, s<code>): Delete.
7797         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
7798
7799 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
7800
7801         * optabs.c (prepare_cmp_insn): Temporarily disable test that
7802         causes spurious differences between trunk and cond-optab branch.
7803
7804 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
7805
7806         PR target/37137
7807         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
7808
7809 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
7810
7811         * tree.c (iterative_hash_pointer): Delete.
7812         (iterative_hash_expr): Short-circuit handling of NULL pointer.
7813         Hash UIDs and versions of SSA names.  Don't special-case built-in
7814         function declarations.
7815
7816 2009-05-11  Ian Lance Taylor  <iant@google.com>
7817
7818         PR bootstrap/40103
7819         * graphite.c: Force -Wc++-compat to only be a warning before
7820         #including "cloog/cloog.h".
7821
7822 2009-05-11  Martin Jambor  <mjambor@suse.cz>
7823
7824         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
7825         
7826 2009-05-11  Jan Hubicka  <jh@suse.cz>
7827
7828         * tree-ssa-loop-ivcanon.c: Include target.h
7829         (struct loop_size): new structure.
7830         (constant_after_peeling): New predicate.
7831         (tree_estimate_loop_size): New function.
7832         (estimated_unrolled_size): Rewrite for new estimates.
7833         (try_unroll_loop_completely): Use new estimates.
7834         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
7835
7836 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7837
7838         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
7839         libcpp interface change.
7840         (spu_macro_to_expand): Likewise.
7841
7842 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
7843
7844         PR tree-optimization/40026
7845         * gimplify.c (gimplify_init_constructor): Change initial conditional
7846         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
7847         optimize_compound_literals_in_ctor.
7848
7849 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
7850
7851         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
7852         New devices.
7853         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
7854
7855 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
7856
7857         * tree-vect-data-refs.c (vect_analyze_group_access): Use
7858         HOST_WIDE_INT for gap.
7859
7860 2009-05-11  Ira Rosen  <irar@il.ibm.com>
7861
7862         PR tree-optimization/40074
7863         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
7864         account in group size and step comparison.
7865
7866 2009-05-11  Richard Guenther  <rguenther@suse.de>
7867
7868         * passes.c (init_optimization_passes): Strip now incorrect comment.
7869         (execute_function_todo): Do not set PROP_alias.
7870         * tree-pass.h (PROP_alias): Remove.
7871         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
7872         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
7873         * tree-nrv.c (pass_return_slot): Likewise.
7874         * tree-object-size.c (pass_object_sizes): Likewise.
7875         * tree-ssa-dom.c (pass_dominator): Likewise.
7876         (pass_phi_only_cprop): Likewise.
7877         * tree-ssa-dse.c (pass_dse): Likewise.
7878         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
7879         (pass_cselim): Likewise.
7880         * tree-ssa-pre.c (pass_pre): Likewise.
7881         (pass_fre): Likewise.
7882         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
7883         * tree-ssa-sink.c (pass_sink_code): Likewise.
7884         * tree-stdarg.c (pass_stdarg): Likewise.
7885         * tree-tailcall.c (pass_tail_calls): Likewise.
7886         * tree-vrp.c (pass_vrp): Likewise.
7887
7888 2009-05-10  Ian Lance Taylor  <iant@google.com>
7889
7890         * basic-block.h (enum profile_status): Break out of struct
7891         control_flow_graph.
7892         * cgraph.h (struct inline_summary): Break out of struct
7893         cgraph_local_info.
7894         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
7895         of struct cgraph_order_sort.
7896         * combine.c (enum undo_kind): New enum, broken out of struct undo.
7897         * cse.c (struct branch_path): Break out of struct
7898         cse_basic_block_data.
7899         * except.h (enum eh_region_type): Break out of struct eh_region.
7900         * gcc.c (enum add_del): Break out of struct modify_target.
7901         * genrecog.c (enum decision_type): Break out of struct decision_test.
7902         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
7903         ggc_pch_data.
7904         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
7905         * regmove.c (enum match_use): New enum, broken out of struct match.
7906         * sched-int.h (enum post_call_group): New enum, broken out of
7907         struct deps.
7908         (struct deps_reg): Break out of struct deps.
7909         * target.h (struct asm_int_op): Break out of struct gcc_target.
7910         * tree-eh.c (struct goto_queue_node): Break out of struct
7911         leh_tf_state.
7912         * tree-inline.h (enum copy_body_cge_which): Break out of
7913         copy_body_data.
7914         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
7915
7916         * c-decl.c (in_struct, struct_types): New static variables.
7917         (pushtag): Add loc parameter.  Change all callers.
7918         (lookup_tag): Add ploc parameter.  Change all callers.
7919         (check_compound_literal_type): New function.
7920         (parser_xref_tag): Add loc parameter.  Change all callers.  If
7921         -Wc++-compat, warn about struct/union/enum types defined within a
7922         struct or union.
7923         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
7924         and loc parameters.  Change all callers.  Change error calls to
7925         error_at, using loc.  For a redefinition, if the location of the
7926         original definition is known, report it.  Set in_struct and
7927         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
7928         (finish_struct): Add new parameters enclosing_in_struct and
7929         enclosing_struct_types.  Change all callers.  Set
7930         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
7931         in the struct.  If in a struct, add this struct to struct_types.
7932         (start_enum): Add loc parameter.  Change all callers.  Use
7933         error_at for errors, using loc.  For a redefinition, if the
7934         location of the original definition is known, report it.  If in a
7935         struct, add this enum type to struct_types.  If -Wc++-compat warn
7936         if in sizeof, typeof, or alignof.
7937         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
7938         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
7939         (c_parser_enum_specifier): Get enum location for start_enum.
7940         (c_parser_struct_or_union_specifier): Get struct location for
7941         start_struct.  Save in_struct and struct_types status between
7942         start_struct and finish_struct.
7943         (c_parser_cast_expression): Get location of cast.
7944         (c_parser_alignof_expression): Get location of type.
7945         (c_parser_postfix_expression): Likewise.
7946         (c_parser_postfix_expression_after_paren_type): Add type_loc
7947         parameter.  Change all callers.  Call check_compound_literal_type.
7948         Use type_loc for error about variable size type.
7949         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
7950         of an enum constant from an enum type defined in a struct or union.
7951         (c_cast_expr): Add loc parameter.  Change all callers.  If
7952         -Wc++-compat, warn about defining a type in a cast.
7953         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
7954         (start_enum, start_struct, finish_struct): Update declarations.
7955         (parser_xref_tag, c_cast_expr): Update declarations.
7956         (check_compound_literal_type): Declare.
7957
7958 2009-05-11  Ben Elliston  <bje@au.ibm.com>
7959
7960         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
7961         for recent libcpp interface change.
7962         (rs6000_macro_to_expand): Likewise.
7963
7964 2009-05-10  Michael Matz  <matz@suse.de>
7965
7966         PR target/40031
7967         * config/arm/arm.c (require_pic_register): Emit on entry edge,
7968         not at entry of function.
7969
7970 2009-05-10  Richard Guenther  <rguenther@suse.de>
7971
7972         PR tree-optimization/40081
7973         Revert
7974         * tree-sra.c (instantiate_element): Instantiate scalar replacements
7975         using the main variant of the element type.  Do not fiddle with
7976         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
7977
7978         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
7979         structs with volatile fields.
7980
7981 2009-05-10  Jan Hubicka  <jh@suse.cz>
7982
7983         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
7984         (estimate_move_cost): Assert that it does not get called for
7985         VOID_TYPE_P.
7986         (estimate_num_insns): Skip VOID types in argument handling.
7987         (optimize_inline_calls): Delete unreachable blocks and verify that
7988         callgraph is valid.
7989
7990 2009-05-10  Jan Hubicka  <jh@suse.cz>
7991
7992         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
7993         * cgraph.c (cgraph_mark_address_taken_node): New function.
7994         (dump_cgraph_node): Dump new flag.
7995         * cgraph.h (struct cgraph_node): Add address_taken.
7996         (cgraph_mark_address_taken_node): New function.
7997         * ipa.c (cgraph_postorder): Prioritize functions with address taken
7998         since new direct calls can be born.
7999
8000 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
8001
8002         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
8003         tok->val.node.node.
8004
8005 2009-05-10  Jan Hubicka  <jh@suse.cz>
8006
8007         PR middle-end/40084
8008         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
8009         argument; rewrite.
8010         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
8011         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
8012         * tree-inline.c (copy_bb): Set frequency correctly.
8013         (fold_marked_statements): Update call to
8014         cgraph_update_edges_for_call_stmt.
8015
8016 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
8017
8018         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
8019         identifiers in diagnostics.
8020         * config/arm/arm.c (arm_handle_fndecl_attribute,
8021         arm_handle_isr_attribute): Likewise.
8022         * config/avr/avr.c (avr_handle_progmem_attribute,
8023         avr_handle_fndecl_attribute, avr_handle_fntype_attribute): Likewise.
8024         * config/bfin/bfin.c (handle_int_attribute,
8025         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
8026         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
8027         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
8028         Likewise.
8029         * config/darwin.c (darwin_handle_kext_attribute,
8030         darwin_handle_weak_import_attribute): Likewise.
8031         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
8032         h8300_handle_eightbit_data_attribute,
8033         h8300_handle_tiny_data_attribute): Likewise.
8034         * config/i386/i386.c (ix86_handle_cconv_attribute,
8035         ix86_handle_abi_attribute, ix86_handle_struct_attribute): Likewise.
8036         * config/i386/winnt.c (ix86_handle_shared_attribute,
8037         ix86_handle_selectany_attribute): Likewise.
8038         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
8039         * config/m32c/m32c.c (function_vector_handler): Likewise.
8040         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
8041         m68hc11_handle_fntype_attribute): Likewise.
8042         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
8043         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
8044         * config/mips/mips.c (mips_insert_attributes,
8045         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
8046         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
8047         rs6000_handle_struct_attribute): Likewise.
8048         * config/sh/sh.c (sh_insert_attributes,
8049         sh_handle_resbank_handler_attribute,
8050         sh_handle_interrupt_handler_attribute,
8051         sh2a_handle_function_vector_handler_attribute,
8052         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8053         Likewise.
8054         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
8055         * config/spu/spu.c (spu_handle_fndecl_attribute,
8056         spu_handle_vector_attribute): Likewise.
8057         * config/stormy16/stormy16.c
8058         (xstormy16_handle_interrupt_attribute): Likewise.
8059         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
8060         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
8061
8062 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
8063
8064         * pretty-print.h (struct pretty_print_info): Add translate_identifiers.
8065         (pp_translate_identifiers): New.
8066         (pp_identifier): Only conditionally translate identifier to locale
8067         character set.
8068         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
8069         (pp_base_tree_identifier): Only conditionally translate identifier
8070         to locale character set.
8071         * c-pretty-print.c (M_): Define.
8072         (pp_c_type_specifier, pp_c_primary_expression): Mark English
8073         fragments for conditional translation with M_.
8074         * tree-pretty-print.c (maybe_init_pretty_print): Disable
8075         identifier translation.
8076
8077 2009-05-10  Richard Guenther  <rguenther@suse.de>
8078
8079         PR tree-optimization/40081
8080         * tree-sra.c (instantiate_element): Instantiate scalar replacements
8081         using the main variant of the element type.  Do not fiddle with
8082         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
8083
8084 2009-05-09  Jan Hubicka  <jh@suse.cz>
8085
8086         PR middle-end/40080
8087         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
8088         indirect calls; verify cgraph afterwards.
8089
8090 2009-05-09  Jan Hubicka  <jh@suse.cz>
8091
8092         PR bootstrap/40082
8093         * ipa.c (update_inlined_to_pointer): New function.
8094         (cgraph_remove_unreachable_nodes): Use it.
8095
8096 2009-05-09  Jan Hubicka  <jh@suse.cz>
8097
8098         * tree-eh.c (struct leh_state): Remove prev_try.
8099         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
8100         not track prev_try.
8101         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
8102         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
8103         remove_eh_handler_and_replace, foreach_reachable_handler,
8104         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
8105         * except.h (struct eh_region): Remove eh_region_u_cleanup.
8106         (gen_eh_region_cleanup): Update prototype.
8107
8108 2009-05-09  Jan Hubicka  <jh@suse.cz>
8109
8110         PR middle-end/40043
8111         * except.c (copy_eh_region): Always set prev_try.
8112         (redirect_eh_edge_to_label): Find outer try.
8113         (foreach_reachable_handler): When looking for prev try
8114         handle case where previous try is not going to be taken.
8115
8116 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
8117
8118         PR tree-optimization/40049
8119         * tree-vect-stmts.c (vectorizable_operation): If the machine has
8120         only vector/vector shifts, convert the type of the constant to the
8121         appropriate type to avoid building incorrect trees, which
8122         eventually have problems with garbage collection.
8123
8124 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
8125
8126         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
8127         -1 for complex floating-point types if honoring signed zeros.
8128
8129 2009-05-08  Jan Hubicka  <jh@suse.cz>
8130
8131         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
8132         argument; handle correctly when profile is absent.
8133         (build_cgraph_edges): Update.
8134         (rebuild_cgraph_edges): Update.
8135         * cgraph.c: Do not include varray.h.
8136         (cgraph_set_call_stmt_including_clones): New function.
8137         (cgraph_create_edge_including_clones): Likewise
8138         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
8139         (cgraph_update_edges_for_call_stmt): Handle clones.
8140         (cgraph_remove_node): Handle clone tree.
8141         (cgraph_remove_node_and_inline_clones): New function.
8142         (dump_cgraph_node): Dump clone tree.
8143         (cgraph_clone_node): Handle clone tree.
8144         (clone_function_name): Bring here from tree-inline.c.
8145         (cgraph_create_virtual_clone): New function.
8146         * cgraph.h (ipa_replace_map): Move here from ipa.h.
8147         (cgraph_clone_info): New function.
8148         (strut cgraph_node): Add clone_info and new clone tree pointers.
8149         (cgraph_remove_node_and_inline_clones,
8150         cgraph_set_call_stmt_including_clones,
8151         cgraph_create_edge_including_clones,
8152         cgraph_create_virtual_clone): Declare.
8153         (cgraph_function_versioning): Use VEC argument.
8154         (compute_call_stmt_bb_frequency): Update prototype.
8155         (cgraph_materialize_all_clones): New function.
8156         * ipa-cp.c (ipcp_update_cloned_node): Remove.
8157         (ipcp_create_replace_map): Update to VECtors.
8158         (ipcp_update_callgraph): Use virtual clones.
8159         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
8160         (ipcp_update_profiling): Do not update local profiling.
8161         (ipcp_insert_stage): Use VECtors and virtual clones.
8162         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
8163         (clone_of_p): New function.
8164         (cgraph_preserve_function_body_p): Use clone tree.
8165         (cgraph_optimize): Materialize clones.
8166         (cgraph_function_versioning): Update for VECtors.
8167         (save_inline_function_body): Use clone tree.
8168         (cgraph_materialize_clone): New function.
8169         (cgraph_materialize_all_clones): Likewise.
8170         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
8171         * ipa.c: Include gimple.h.
8172         (cgraph_remove_unreachable_nodes): Use clone tree.
8173         * ipa-prop.c (ipa_note_param_call): Update call to
8174         compute_call_stmt_bb_frequencycall.
8175         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
8176         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
8177         (copy_bb): Handle updating of clone tree; add new edge when new call
8178         appears.
8179         (expand_call_inline): Be strict about every call having edge.
8180         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
8181         (delete_unreachable_blocks_update_callgraph): New function.
8182         (tree_function_versioning): Use VECtors; always remove unreachable
8183         blocks and fold conditionals.
8184         * tree-inline.h: Do not include varray.h.
8185         (tree_function_versioning): Remove.
8186         * Makefile.in (GTFILES): Remove tree-inline.c
8187         * passes.c (do_per_function): Do only functions having body.
8188         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
8189         tree.
8190
8191 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
8192             Andrew Morrow  <acm@google.com>
8193
8194         PR c/36892
8195         * c-common.c (c_common_attribute_table): Permit deprecated
8196         attribute to take an optional argument.
8197         (handle_deprecated_attribute): If the optional argument to
8198         __attribute__((deprecated)) is not a string ignore the attribute
8199         and emit a warning.
8200
8201         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
8202         * c-typeck.c (build_component_ref): Likewise.
8203         (build_external_ref): Likewise.
8204
8205         * toplev.c (warn_deprecated_use): Add an attribute argument.
8206         Emit the message associated with __attribute__((deprecated)).
8207
8208         * toplev.h (warn_deprecated_use): Updated.
8209
8210         * doc/extend.texi: Document new optional parameter to
8211         __attribute__((deprecated))
8212
8213 2009-05-08  Michael Eager <eager@eagercon.com>
8214
8215         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
8216         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
8217
8218 2009-05-08  Richard Guenther  <rguenther@suse.de>
8219
8220         PR tree-optimization/40062
8221         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
8222         Avoid exponential behavior.
8223
8224 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
8225
8226         PR rtl-optimization/33928
8227         PR 26854
8228         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
8229         process_uses, build_single_def_use_links): New.
8230         (update_df): Update use_def_ref.
8231         (forward_propagate_into): Use get_def_for_use instead of use-def
8232         chains.
8233         (fwprop_init): Call build_single_def_use_links and let it initialize
8234         dataflow.
8235         (fwprop_done): Free use_def_ref.
8236         (fwprop_addr): Eliminate duplicate call to df_set_flags.
8237         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
8238         df_rd_simulate_one_insn): New.
8239         (df_rd_bb_local_compute_process_def): Update head comment.
8240         (df_chain_create_bb): Use the new RD simulation functions.
8241         * df.h (df_rd_simulate_artificial_defs_at_top, 
8242         df_rd_simulate_one_insn): New.
8243         * opts.c (decode_options): Enable fwprop at -O1.
8244         * doc/invoke.texi (-fforward-propagate): Document this.
8245
8246 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
8247
8248         PR c/24581
8249         * c-typeck.c (build_binary_op): Handle arithmetic between one real
8250         and one complex operand specially.
8251         * tree-complex.c (some_nonzerop): Do not identify a real value as
8252         zero if flag_signed_zeros.
8253
8254 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
8255
8256         PR rtl-optimization/33928
8257         * loop-invariant.c (record_use): Fix && vs. || mishap.
8258
8259 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
8260
8261         PR rtl-optimization/33928
8262         * loop-invariant.c (struct use): Add addr_use_p.
8263         (struct def): Add n_addr_uses.
8264         (struct invariant): Add cheap_address.
8265         (create_new_invariant): Set cheap_address.
8266         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
8267         (record_uses): Pass df_ref to record_use.
8268         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
8269         used only as such.
8270
8271 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
8272
8273         * config/sh/sh.c: Do not include c-pragma.h.
8274
8275 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8276
8277         * config/spu/spu.c: Remove include of c-common.h.
8278
8279 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
8280
8281         PR c/39037
8282         * c-common.h (mark_valid_location_for_stdc_pragma,
8283         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
8284         clear_float_const_decimal64, float_const_decimal64_p): New.
8285         * c.opt (Wunsuffixed-float-constants): New.
8286         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
8287         unsuffixed float constant, handle new warning.
8288         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
8289         * c-decl.c (c_scope): New flag float_const_decimal64.
8290         (set_float_const_decimal64, clear_float_const_decimal64,
8291         float_const_decimal64_p): New.
8292         (push_scope): Set new flag.
8293         * c-parser.c (c_parser_translation_unit): Mark when it's valid
8294         to use STDC pragmas.
8295         (c_parser_external_declaration): Ditto.
8296         (c_parser_compound_statement_nostart): Ditto.
8297         * c-pragma.c (valid_location_for_stdc_pragma,
8298         mark_valid_location_for_stdc_pragma,
8299         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
8300         handle_pragma_float_const_decimal64): New.
8301         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
8302         * cp/semantics.c (valid_location_for_stdc_pragma_p,
8303         set_float_const_decimal64, clear_float_const_decimal64,
8304         float_const_decimal64_p): New dummy functions.
8305         * doc/extend.texi (Decimal Float): Remove statement that the
8306         pragma, and suffix for double constants, are not supported.
8307         * doc/invoke.texi (Warning Options): List new option.
8308         (-Wunsuffixed-float-constants): New.
8309
8310 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
8311
8312         * config/i386/i386.c: Do not include c-common.h.
8313
8314 2009-05-07  Mark Heffernan  <meheff@google.com>
8315
8316         * doc/invoke.texi (Debugging Options): Document change of debugging
8317         dump location.
8318         * opts.c (decode_options): Make dump_base_name relative to
8319         aux_base_name directory.
8320
8321 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
8322
8323         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
8324         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
8325
8326 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
8327
8328         * Makefile.in (install-plugin): Simplify a bit.
8329
8330 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
8331
8332         * Makefile.in (OBJS-common): Add regcprop.o.
8333         (regcprop.o): New.
8334         * timevar.def (TV_CPROP_REGISTERS): New.
8335         * regrename.c (regrename_optimize): Return 0.
8336         (rest_of_handle_regrename): Delete.
8337         (pass_rename_registers): Point to regrename_optimize.
8338         (struct value_data_entry, struct value_data, 
8339         kill_value_one_regno, kill_value_regno, kill_value,
8340         set_value_regno, init_value_data, kill_clobbered_value,
8341         kill_set_value, kill_autoinc_value, copy_value,
8342         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
8343         replace_oldest_value_reg, replace_oldest_value_addr,
8344         replace_oldest_value_mem, copyprop_hardreg_forward_1,
8345         debug_value_data, validate_value_data): Move...
8346         * regcprop.c: ... here.
8347         (rest_of_handle_cprop): Delete.
8348         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
8349
8350 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
8351
8352         PR middle-end/40057
8353         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
8354         GEN_INT for 1 << bitnum.
8355         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
8356         build_int_cst_type.
8357
8358 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
8359
8360         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
8361         Remove wrong description of "nand" operation.
8362
8363 2009-05-06  Richard Guenther  <rguenther@suse.de>
8364             Adam Nemet  <anemet@caviumnetworks.com>
8365
8366         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
8367         comment.  Add that if LHS is not a gimple register, then RHS1 has
8368         to be a single object (GIMPLE_SINGLE_RHS).
8369
8370 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
8371
8372         * expr.c (get_def_for_expr): Move it up in the file.
8373         (store_field): When expanding a bit-field store, look at the
8374         defining gimple stmt for the masking conversion.
8375
8376 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
8377
8378         PR middle-end/39986
8379         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
8380         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
8381         32-bit memcpy into long.
8382
8383 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
8384
8385         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
8386         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
8387         new_reg_loc_descr.
8388         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
8389         instead of appending DW_OP_deref*.
8390
8391 2009-05-06  Michael Matz  <matz@suse.de>
8392
8393         PR middle-end/40021
8394         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
8395         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
8396
8397 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
8398
8399         * Makefile.in (install-plugin): Fix srcdir handling.
8400
8401 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
8402
8403         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
8404         when processing for not_regs_needed bitmap.
8405         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
8406         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
8407         handling it for rhs. 
8408
8409 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
8410
8411         * config/i386/i386.md (unnamed inc/dec peephole): Use
8412         optimize_insn_for_size_p instead of optimize_size.
8413         * config/i386/predicates.md (incdec_operand): Likewise.
8414         (aligned_operand): Likewise.
8415         * config/i386/sse.md (divv8sf3): Likewise.
8416         (sqrtv8sf2): Likewise.
8417
8418 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
8419
8420         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
8421
8422         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
8423
8424 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
8425
8426         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
8427         ssemodesuffixf2c with avxmodesuffixf2c.
8428
8429 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
8430
8431         PR c/40032
8432         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
8433
8434 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
8435
8436         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
8437         (struct tree_base): Adjust spacing for 8 bit boundaries.
8438         (struct tree_decl_common): Add decl_by_reference_flag bit.
8439         (DECL_BY_REFERENCE): Adjust.
8440         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
8441         print DECL_BY_REFERENCE bit.
8442         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
8443         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
8444         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
8445         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
8446         unconditionally.
8447
8448         PR middle-end/39666
8449         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
8450         range of the type, but default label is missing, add it with one
8451         of the existing labels instead of adding a new label for it.
8452
8453 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
8454
8455         * dwarf.h: Remove.
8456
8457 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
8458
8459         * Makefile.in (enable_plugin, plugin_includedir): New.
8460         (install): Depend on install-plugin.
8461         (PLUGIN_HEADERS): New.
8462         (install-plugin): New.
8463         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
8464
8465 2009-05-05  Richard Guenther  <rguenther@suse.de>
8466
8467         PR tree-optimization/40022
8468         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
8469         the only vuse.
8470         (phivn_valid_p): Fix tuplification error, simplify.
8471         (phiprop_insert_phi): Add dumps.
8472         (propagate_with_phi): Simplify.
8473
8474 2009-05-05  Richard Guenther  <rguenther@suse.de>
8475
8476         PR middle-end/40023
8477         * builtins.c (gimplify_va_arg_expr): Properly build the address.
8478
8479 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
8480
8481         * tree.h (strip_float_extensions): Remove duplicate declaration.
8482         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
8483         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
8484         block_ultimate_origin): Rearrange the declarations line to match the
8485         comment that indicates the .c file which the functions are defined.
8486         (dwarf2out_*, set_decl_rtl): Add comment.
8487         (get_base_address): Adjust comment.
8488         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
8489         declarations line and add comment.
8490         (is_builtin_name): Add blank after function name, for clarity.
8491
8492 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
8493
8494         * attribs.c (decl_attributes): Use %qE for identifiers in
8495         diagnostics.
8496         * cgraphunit.c (verify_cgraph_node): Translate function names to
8497         locale character set in diagnostics.
8498         * coverage.c (get_coverage_counts): Use %qE for identifiers in
8499         diagnostics.
8500         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
8501         Document that functions are named in UTF-8.
8502         * expr.c (expand_expr_real_1): Translate function names to locale
8503         character set in diagnostics.
8504         * gimplify.c (omp_notice_variable, omp_is_private,
8505         gimplify_scan_omp_clauses): Use %qE for identifiers in
8506         diagnostics.
8507         * langhooks.c (lhd_print_error_function): Translate function names
8508         to locale character set.
8509         * langhooks.h (decl_printable_name): Document that return value is
8510         in internal character set.
8511         * stmt.c: Include pretty-print.h
8512         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
8513         diagnostics.
8514         (resolve_operand_name_1): Translate named operand name to locale
8515         character set.
8516         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
8517         diagnostics.
8518         * toplev.c (announce_function): Translate function names to locale
8519         character set.
8520         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
8521         (default_tree_printer): Use pp_identifier or translate identifiers
8522         to locale character set.  Mark "<anonymous>" for translation.
8523         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
8524         for identifiers in diagnostics.
8525         * tree.c (handle_dll_attribute): Use %qE for identifiers in
8526         diagnostics.
8527         * varasm.c (output_constructor): Use %qE for identifiers in
8528         diagnostics.
8529
8530 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
8531
8532         * configure.ac: use ` ` instead of $()
8533         * configure: Regenerate.
8534
8535 2009-05-05  Ben Elliston  <bje@au.ibm.com>
8536
8537         * config/pa/linux-atomic.c: Eliminate conditional include of
8538         errno.h on non-LP64 systems to simplify build requirements.
8539
8540 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
8541
8542         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
8543         diagnostics.
8544         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
8545         and pass value to identifier_to_locale.
8546         (warn_variable_length_array): Make name a tree.
8547         (grokdeclarator): Separate diagnostic texts for named and unnamed
8548         declarators.  Use %qE for named declarators.
8549         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
8550         diagnostics.
8551         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
8552         identifiers in diagnostics.
8553         * c-typeck.c (push_member_name, start_init): Pass identifiers to
8554         identifier_to_locale.  Mark "anonymous" strings for translation.
8555
8556 2009-05-04  Michael Eager <eager@eagercon.com>
8557
8558         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
8559         address for DImode/DFmode only if double-precision FP regs.
8560
8561 2009-05-04  Michael Eager <eager@eagercon.com>
8562
8563         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
8564         TARGET_SINGLE_FLOAT check.
8565
8566 2009-05-04  Michael Eager <eager@eagercon.com>
8567
8568         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
8569
8570 2009-05-04  Michael Eager <eager@eagercon.com>
8571
8572         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
8573         * config/rs6000/t-xilinx: New
8574
8575 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
8576
8577         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
8578         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
8579         * gcc/explow.c (memory_address): Use target hook.
8580         * gcc/targhooks.c (default_legitimize_address): New.
8581         * gcc/targhooks.h (default_legitimize_address): New.
8582         * gcc/target.h (legitimize_address): New.
8583         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
8584         (TARGET_INITIALIZER): Include it.
8585         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
8586
8587         * config/bfin/bfin-protos.h (legitimize_address): Remove.
8588         * config/bfin/bfin.c (legitimize_address): Remove.
8589         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
8590         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
8591         Remove.
8592         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
8593         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
8594
8595         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
8596         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
8597         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
8598         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
8599         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
8600         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
8601         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
8602         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
8603         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
8604         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
8605         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
8606         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
8607         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
8608         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
8609         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
8610         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
8611         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
8612         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
8613         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
8614         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
8615         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
8616         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
8617         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
8618
8619         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
8620         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
8621         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
8622         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
8623         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
8624         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
8625         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
8626         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
8627         (thumb_legitimize_address): Delete.
8628         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
8629         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
8630         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
8631         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
8632         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
8633         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
8634         Delete.
8635         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
8636         Delete.
8637
8638         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
8639         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
8640         * config/m32r/m32r.c (m32r_legitimize_address): New.
8641         * config/m68k/m68k.c (m68k_legitimize_address): New.
8642         * config/score/score.c (score_legitimize_address): Standardize.
8643         * config/score/score3.c (score3_legitimize_address): Standardize.
8644         * config/score/score3.h (score3_legitimize_address): Adjust.
8645         * config/score/score7.c (score7_legitimize_address): Standardize.
8646         * config/score/score7.h (score7_legitimize_address): Adjust.
8647         * config/sh/sh.c (sh_legitimize_address): New.
8648         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
8649
8650         * gcc/config/s390/s390.c (legitimize_address): Rename to...
8651         (s390_legitimize_address): ... this.
8652         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
8653         (sparc_legitimize_address): ... this.
8654         * gcc/config/i386/i386.c (legitimize_address): Rename to...
8655         (ix86_legitimize_address): ... this.
8656         * gcc/config/avr/avr.c (legitimize_address): Rename to...
8657         (avr_legitimize_address): ... this.
8658         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
8659         (mn10300_legitimize_address): ... this.
8660         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
8661         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
8662         (alpha_expand_mov): Adjust call.
8663
8664         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
8665         * config/spu/spu.c (spu_legitimize_address): Likewise.
8666         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
8667         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
8668
8669 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
8670
8671         * intl.c (locale_encoding, locale_utf8): New.
8672         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
8673         * intl.h (locale_encoding, locale_utf8): Declare.
8674         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
8675         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
8676         New.
8677         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
8678         argument.
8679         (pp_tree_identifier): Define to call pp_base_tree_identifier.
8680         (pp_base_tree_identifier): Declare as function.
8681         (identifier_to_locale): Declare.
8682         * Makefile.in (pretty-print.o): Update dependencies.
8683         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
8684
8685 2009-05-04  Richard Guenther  <rguenther@suse.de>
8686
8687         PR middle-end/40015
8688         * builtins.c (fold_builtin_memory_op): Do not decay to element
8689         type if the size matches the whole array.
8690
8691 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
8692
8693         * expmed.c (synth_mult): When trying out a shift, pass the result
8694         of a signed shift.
8695
8696 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
8697
8698         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
8699         (shiftsub1_cost): New.
8700         (init_expmed): Compute shiftsub1_cost.
8701         (synth_mult): Optimize multiplications by constants of the form
8702         -(2^^m-1) for some constant positive integer m.
8703
8704 2009-05-03  Richard Guenther  <rguenther@suse.de>
8705
8706         PR c/39983
8707         * c-typeck.c (array_to_pointer_conversion): Do not built
8708         ADDR_EXPRs of arrays of pointer-to-element type.
8709         * c-gimplify.c (c_gimplify_expr): Revert change fixing
8710         up wrong ADDR_EXPRs after-the-fact.
8711         * c-common.c (strict_aliasing_warning): Strip pointer
8712         conversions for obtaining the original type.
8713         * builtins.c (fold_builtin_memset): Handle array types.
8714         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
8715         and array types
8716
8717 2009-05-03  Richard Guenther  <rguenther@suse.de>
8718
8719         PR middle-end/23329
8720         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
8721         Do not lose casts from array types with unknown extent to array
8722         types with known extent.
8723         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
8724         alias set compatibility.
8725
8726 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8727
8728         * flags.h (extra_warnings): Delete.
8729         * toplev.c (process_options): Handle Wuninitialized here.
8730         * opts.c (extra_warnings): Delete.
8731         (set_Wextra): Delete.
8732         (common_handle_option): -Wextra can be handled automatically.
8733         * c-opts.c (c_common_handle_option): Delete obsolete code.
8734         (c_common_post_options): Simplify comment.
8735         * common.opt (W): Add Var.
8736         (Wextra): Add Var.
8737         (Wuninitialized): Initialize to -1.
8738
8739 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
8740             Richard Guenther  <rguenther@suse.de>
8741
8742         * expr.c (get_def_for_expr): New function.
8743         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
8744         SSA rather than trees.
8745         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
8746         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
8747         
8748 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
8749
8750         * c-common.c (reswords): Add _Imaginary.
8751         * c-common.c (enum rid): Add RID_IMAGINARY.
8752
8753 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
8754
8755         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
8756         Patch by Richard Guenther.
8757
8758 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
8759
8760         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
8761         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
8762         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
8763         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
8764         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
8765         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
8766         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
8767         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
8768         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
8769         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
8770         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
8771         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
8772         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
8773         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
8774         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
8775         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
8776         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
8777         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
8778
8779 2009-05-02  Richard Guenther  <rguenther@suse.de>
8780
8781         PR tree-optimization/39940
8782         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
8783         doing so.
8784
8785 2009-05-02  Richard Guenther  <rguenther@suse.de>
8786
8787         PR middle-end/40001
8788         * tree-ssa.c (execute_update_addresses_taken): Properly check
8789         if we can mark a variable DECL_GIMPLE_REG_P.
8790         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
8791         back to the end of the function.
8792         (is_gimple_reg_type): Remove complex type special casing.
8793         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
8794         if not optimizing.
8795
8796 2009-05-02  Ben Elliston  <bje@au.ibm.com>
8797
8798         * doc/collect2.texi (Collect2): Document search path behaviour
8799         when configured with --with-ld.
8800
8801 2009-05-02  Jan Hubicka  <jh@suse.cz>
8802
8803         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
8804         parameter; update callers.
8805         (coalesce_cost_edge): EH edges are costier because they needs
8806         splitting even if not critical and even more costier when there are
8807         multiple EH predecestors.
8808
8809 2009-05-02  Jan Hubicka  <jh@suse.cz>
8810
8811         * except.c (remove_eh_handler_and_replace): Handle updating after
8812         removing TRY blocks.
8813
8814 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
8815
8816         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
8817
8818 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
8819
8820         * varasm.c: Do not include c-pragma.h.
8821         * attribs.c: Do not incude c-common.h.
8822
8823 2009-05-01  Michael Matz  <matz@suse.de>
8824
8825         * calls.c (initialize_argument_information): Handle SSA names like
8826         decls with a non MEM_P DECL_RTL.
8827
8828 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
8829
8830         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
8831         * ipa-utils.c: Likewise.
8832         * ipa-type-escape.c: Likewise.
8833         * cgraphunit.c Do not include c-common.h.
8834         * ipa-pure-const.c: Likewise.
8835         * tree-if-conv.c: Likewise.
8836         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
8837         * ipa-struct-reorg.c: Likewise.
8838         * tree-nomudflap.c: Likewise.
8839         * tree-ssa-structalias.c: Likewise.
8840
8841 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
8842
8843         * store-motion.c: Many cleanups to make this pass a first-class
8844         citizen instead of an appendix to gcse load motion.  Add TODO list
8845         to make this pass faster/cleaner/better.
8846
8847         (struct ls_expr): Post gcse.c-split cleanups.
8848         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
8849         "stores" field to "avail_stores".
8850         (pre_ldst_mems): Rename to store_motion_mems.
8851         (pre_ldst_table): Rename to store_motion_mems_table.
8852         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
8853         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
8854         (ldst_entry): Rename to st_expr_entry, update users.
8855         (free_ldst_entry): Rename to free_st_expr_entry, update users.
8856         (free_ldst_mems): Rename to free_store_motion_mems, update users.
8857         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
8858         update caller.
8859         (first_ls_expr): Rename to first_st_expr, update users.
8860         (next_ls_expr): Rename to next_st_expr, update users.
8861         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
8862         fields properly for store motion instead of names inherited from load
8863         motion in gcse.c.
8864         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
8865         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
8866         are done with it.
8867
8868         (ae_kill): Rename to st_kill, update users.
8869         (ae_gen): Rename to st_avloc, update users.
8870         (transp): Rename to st_transp, update users.
8871         (pre_insert_map): Rename to st_insert_map, update users.
8872         (pre_delete_map): Rename to st_delete_map, update users.
8873         (insert_store, build_store_vectors, free_store_memory,
8874         one_store_motion_pass): Update for abovementioned changes.
8875
8876         (gcse_subst_count, gcse_create_count): Remove.
8877         (one_store_motion_pass): New statistics counters "n_stores_deleted"
8878         and "n_stores_created", local variables.
8879
8880         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
8881         use for_each_rtx.
8882
8883         (regvec, compute_store_table_current_insn): Remove.
8884         (reg_set_info, reg_clear_last_set): Remove.
8885         (compute_store_table): Use DF caches instead of local dataflow
8886         solvers.
8887
8888 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
8889
8890         * c-objc-common.c (c_tree_printer): Print identifiers with
8891         pp_identifier, not pp_string.  Mark "({anonymous})" for
8892         translation.
8893         * c-pretty-print.c (pp_c_ws_string): New.
8894         (pp_c_cv_qualifier, pp_c_type_specifier,
8895         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
8896         pp_c_storage_class_specifier, pp_c_function_specifier,
8897         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
8898         pp_c_primary_expression, pp_c_postfix_expression,
8899         pp_c_unary_expression, pp_c_shift_expression,
8900         pp_c_relational_expression, pp_c_equality_expression,
8901         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
8902         use pp_string and pp_c_ws_string in place of pp_identifier and
8903         pp_c_identifier for non-identifiers.  Mark English strings for
8904         translation.
8905         * c-pretty-print.h (pp_c_ws_string): Declare.
8906
8907 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
8908             Roland McGrath <roland@redhat.com>
8909
8910         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
8911         (ENABLE_LD_BUILDID): New configuration option.
8912         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
8913         (LINK_BUILDID_SPEC): New macro.
8914         (init_spec): If defined, prepend it between LINK_EH_SPEC and
8915         link_spec.
8916         * doc/install.texi: Document --enable-linker-build-id option.
8917         * configure: Rebuild.
8918         * config.in: Rebuild.
8919
8920 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
8921
8922         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
8923         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
8924         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
8925         MIPS_GP_SAVE_AREA_SIZE.
8926         * config/mips/mips.c (struct mips_frame_info): Update comment
8927         before arg_pointer_offset and hard_frame_pointer_offset.
8928         (mips_compute_frame_info): Update diagram before function: to
8929         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
8930         indicate the position of frame_pointer_rtx with -fstack-protector and
8931         to show args_size.  Don't allocate cprestore area for leaf functions
8932         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
8933         cprestore_size.
8934         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
8935
8936 2009-04-30  Michael Matz  <matz@suse.de>
8937
8938         PR tree-optimization/39955
8939         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
8940
8941 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
8942
8943         * ira.c (setup_cover_and_important_classes):  Use safe macro
8944         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
8945         directly.
8946         * genpreds.c (write_tm_preds_h):  Output suitable definition of
8947         REG_CLASS_FOR_CONSTRAINT.
8948
8949 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
8950
8951         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
8952         instead of an int.
8953         * bitmap.c (bitmap_descriptor): Likewise.
8954         * ggc-common.c (loc_descriptor): Likewise.
8955         * varray.c (varray_descriptor): Likewise.
8956         * vec.c (vec_descriptor): Likewise.
8957
8958 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
8959
8960         * Makefile.in (dce.o): Add $(EXCEPT_H).
8961         * dce.c: Include except.h and delete redundant vector definitions.
8962         (deletable_insn_p): Return false for non-call insns that can throw
8963         if DF is running.
8964
8965 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
8966
8967         * gcse.c (ae_gen): Remove.
8968         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
8969         and make non-static function to make it available in store-motion.c.
8970         Update call sites with search-and-replace.
8971         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
8972         extract_mentioned_regs, extract_mentioned_regs_helper,
8973         find_moveable_store, compute_store_table, load_kills_store, find_loads,
8974         store_killed_in_insn, store_killed_after, store_killed_before,
8975         build_store_vectors, insert_insn_start_basic_block, insert-store,
8976         remove_reachable_equiv_notes, replace_store_insn, delete_store,
8977         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
8978         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
8979         * store-motion.c: ...new file.  Also copy data structures from gcse.c
8980         and clean up to remove parts not used by store motion.
8981         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
8982         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
8983
8984 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8985
8986         PR target/38571
8987         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
8988         when optimizing for size.
8989
8990 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
8991
8992         * gcse.c (gcse_constant_p): Fix typo in last change.
8993
8994 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
8995
8996         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
8997
8998 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
8999
9000         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
9001
9002 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
9003
9004         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
9005         CONST_HIGH_PART result.
9006
9007 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
9008
9009         * config/avr/avr.c (initial_elimination_offset): Rename to
9010         avr_initial_elimination_offset.
9011         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
9012         change return type to bool.
9013         (avr_can_eliminate): New function.
9014         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
9015         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
9016         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
9017         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
9018         avr_initial_elimination_offset.
9019         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
9020         (avr_initial_elimination_offset): Define.
9021
9022 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
9023             Steven Bosscher  <steven@gcc.gnu.org>
9024
9025         PR rtl-optimization/39938
9026         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
9027         * cfgrtl.c: Include insn-attr.h.
9028         (rest_of_pass_free_cfg): New function.
9029         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
9030         * resource.c (init_resource_info): Remove call to df_analyze.
9031
9032 2009-04-29  Richard Guenther  <rguenther@suse.de>
9033
9034         PR target/39943
9035         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
9036         allow conversion to signed integers.
9037
9038 2009-04-29  Richard Guenther  <rguenther@suse.de>
9039
9040         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
9041         shifts of floating point vectors if the shift amount is
9042         a constant multiple of the element size.
9043
9044 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
9045             Michael Matz  <matz@suse.de>
9046
9047         PR middle-end/39927
9048         PR bootstrap/39929
9049         * tree-outof-ssa.c (emit_partition_copy): New function.
9050         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
9051         insert_part_to_rtx_on_edge): Perform the partition base var
9052         copy using emit_partition_copy.
9053         (insert_value_copy_on_edge): Convert constants to the right mode.
9054         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
9055         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
9056
9057 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
9058
9059         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
9060         scan backwards to try to find a constant to initialize it.
9061
9062         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
9063         insn before the loop_end instruction, don't look past labels.
9064
9065 2009-04-29  Richard Guenther  <rguenther@suse.de>
9066
9067         PR middle-end/39937
9068         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9069         loose type conversions.
9070         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
9071         stmts only if there are no uses of its definition.
9072
9073 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
9074
9075         * config/bfin/bfin.h (splitting_loops): Declare.
9076         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
9077         Reorder bit definitions to be ascending.
9078         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
9079         * config/bfin/bfin.c (splitting_loops): New variable.
9080         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
9081         (struct loop_info): Remove members INIT and LOOP_INIT.
9082         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
9083         the LSETUP sequence.  Allow LC to be loaded from any register, but
9084         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
9085         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
9086         set to 1.
9087         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
9088         of reload_completed.
9089
9090         From Jie Zhang:
9091         * config/bfin/bfin.md (movsi_insn): Refine constraints.
9092
9093 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
9094
9095         * Makefile.in (PLUGIN_VERSION_H): New.
9096         (OBJS-common): Remove plugin-version.o.
9097         (plugin.o): Depend on (PLUGIN_VERSION_H).
9098         (plugin-version.o): Remove.
9099         * configure: Regenerate
9100         * configure.ac: Create plugin-version.h.
9101         * gcc-plugin.h (plugin_gcc_version): Remove.
9102         (plugin_default_version_check): Change signature.
9103         * plugin-version.c: Remove.
9104         * plugin.c: Include plugin-version.h.
9105         (str_plugin_gcc_version_name): Remove.
9106         (try_init_one_plugin): Pass gcc version to plugin_init.
9107         (plugin_default_version_check): Both gcc and plugin versions are now
9108         arguments.
9109
9110 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
9111         
9112         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
9113         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
9114         Remove special case testing for last insn of inner loops. Don't fail
9115         if the loop ends with a jump, emit an extra nop instead.
9116
9117         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
9118         DREGS rather than comparing directly.  Remove code that tries to
9119         account for latencies.
9120
9121 2009-04-29  Richard Guenther  <rguenther@suse.de>
9122
9123         PR tree-optimization/39941
9124         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
9125         eliminating an indirect call.
9126
9127 2009-04-29  Richard Guenther  <rguenther@suse.de>
9128
9129         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
9130         parameter.  Allow invariants as base if !require_lvalue.
9131         (verify_gimple_assign_single): Adjust.
9132
9133 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
9134
9135         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
9136         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
9137         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
9138         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
9139         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
9140         a VEC_SELECT.
9141         * config/bfin/bfin.c (bfin_expand_builtin,
9142         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
9143
9144 2009-04-28  Richard Guenther  <rguenther@suse.de>
9145
9146         * tree-vect-loop.c (get_initial_def_for_induction): Use
9147         correct types for pointer increment.
9148
9149 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9150
9151         * toplev.c (print_version): Update GMP version string calculation.
9152
9153 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
9154
9155         PR rtl-optimization/39938
9156         * resource.c (init_resource_info): Add call to df_analyze.
9157
9158 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
9159
9160         * config/alpha/alpha.md (usegp): Cast the result of
9161         alpha_find_lo_sum_using_gp to enum attr_usegp.
9162         * config/alpha/alpha.c (override_options): Remove end-of-structure
9163         marker element from cpu_table.  Use array size of cpu_table to handle
9164         -mcpu and -mtune options.
9165         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
9166
9167 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
9168
9169         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
9170         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
9171         tune_32 and tune_64.
9172         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
9173         support on PowerPC.
9174         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
9175         * config/rs6000/option-defaults.h: ... here.  New file.
9176         (OPT_64, OPT_32): Define.
9177         (MASK_64BIT): Define to 0 if not already defined.
9178         (OPT_ARCH64, OPT_ARCH32): Define.
9179         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
9180         and tune_64.
9181
9182 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9183
9184         * config/arm/arm.c (arm_override_options): Emit error on using
9185         fpa with AAPCS.
9186
9187 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
9188
9189         PR rtl-optimization/39914
9190         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
9191         registers for allocnos created from user-defined variables only
9192         when not optimizing.
9193
9194 2009-04-28  Richard Guenther  <rguenther@suse.de>
9195
9196         PR middle-end/39937
9197         * fold-const.c (fold_binary): Use distribute_real_division only
9198         on float types.
9199
9200 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
9201
9202         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
9203         add hpux-stdint.h to tm_file.
9204         (hppa[12]*-*-hpux11*): Ditto.
9205         (ia64*-*-hpux*): Ditto.
9206         * config/hpux-stdint.h: New.
9207         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
9208         __STDC_EXT__ for all compiles.
9209         * config/pa/pa-hpux.h: Ditto.
9210         * config/pa/pa-hpux10.h: Ditto.
9211         * config/pa/pa-hpux11.h: Ditto.
9212
9213 2009-04-28  Catherine Moore  <clm@codesourcery.com>
9214
9215         * debug.h (set_name): Add comment.
9216
9217 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
9218
9219         PR target/39929
9220         * config/darwin.c (machopic_gen_offset): Check
9221         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
9222         * config/arm/arm.c (require_pic_register): Likewise.
9223
9224 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
9225
9226         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
9227         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
9228         m32c_promote_prototypes): Delete.
9229
9230 2009-04-28  Michael Matz  <matz@suse.de>
9231
9232         PR middle-end/39922
9233         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
9234         constants.
9235
9236 2009-04-28  Richard Guenther  <rguenther@suse.de>
9237
9238         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
9239
9240 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9241
9242         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
9243         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
9244         * config/arm/arm-tune.md: Regenerate.
9245
9246 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
9247
9248         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
9249         block if there are complex incoming edges.
9250         (sel_merge_blocks): Remove useless assert.
9251         (sel_redirect_edge_and_branch): Check that edge was redirected.
9252         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
9253         (sel_find_rgns): Delete declaration.
9254         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
9255         the region when it is not a preheader.
9256
9257 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
9258
9259         PR c/39323
9260         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
9261
9262 2009-04-28  Richard Guenther  <rguenther@suse.de>
9263
9264         * tree.h (SSA_NAME_VALUE): Remove.
9265         (struct tree_ssa_name): Remove value_handle member.
9266         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
9267         array for jump threading.
9268         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
9269         SSA_NAME_VALUEs.
9270         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
9271         * tree-flow.h (threadedge_initialize_values): Declare.
9272         (threadedge_finalize_values): Likewise.
9273         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
9274         (SSA_NAME_VALUE): Define.
9275         (threadedge_initialize_values): New function.
9276         (threadedge_finalize_values): Likewise.
9277         * tree-ssa-dom.c (ssa_name_values): New global variable.
9278         (SSA_NAME_VALUE): Define.
9279         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
9280
9281 2009-04-28  Ira Rosen  <irar@il.ibm.com>
9282
9283         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
9284         Use REPORT_VECTORIZED_LOCATIONS instead 
9285         REPORT_VECTORIZED_LOOPS.
9286         * tree-vectorizer.c (vect_verbosity_level): Make static.
9287         (vect_loop_location): Rename to vect_location.
9288         (vect_set_verbosity_level): Update comment.
9289         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
9290         and vect_location.
9291         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
9292         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
9293         instead REPORT_UNVECTORIZED_LOOPS.
9294         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
9295         and vect_loop_def to vect_external_def and vect_internal_def.
9296         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
9297         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
9298         REPORT_UNVECTORIZED_LOCATIONS.
9299         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
9300         and vect_used_in_loop and to vect_unused_in_scope and 
9301         vect_used_in_scope.
9302         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
9303         (vect_verbosity_level): Remove declaration.
9304         (vect_analyze_operations): Likewise.
9305         (vect_analyze_stmt): Declare.
9306         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
9307         REPORT_UNVECTORIZED_LOCATIONS.
9308         (vect_get_loop_niters): Fix indentation.
9309         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
9310         (vect_analyze_loop_operations): New function.
9311         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
9312         vect_analyze_operations.
9313         (vect_is_simple_reduction): Use new names.
9314         (vectorizable_live_operation, vect_transform_loop): Likewise.
9315         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
9316         to specify whether the data references can be a part of interleaving
9317         chain.
9318         (vect_analyze_data_ref_dependence): Use new names.
9319         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
9320         (vect_create_addr_base_for_vector_ref): Remove redundant code.
9321         * tree-vect-patterns.c (widened_name_p): Use new names.
9322         (vect_recog_dot_prod_pattern): Likewise.
9323         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
9324         (process_use, vect_mark_stmts_to_be_vectorized, 
9325         vect_model_simple_cost, vect_model_store_cost,
9326         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
9327         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
9328         vectorizable_operation, vectorizable_type_demotion,
9329         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
9330         vectorizable_condition): Likewise.
9331         (vect_analyze_operations): Split into vect_analyze_loop_operations
9332         and ...
9333         (vect_analyze_stmt): ... new function.
9334         (new_stmt_vec_info): Use new names.
9335         (vect_is_simple_use): Use new names and fix comment.
9336         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
9337         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
9338
9339 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
9340
9341         PR target/39911
9342         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
9343         and integer modes for x87 operands.  Do not ICE for unsupported size,
9344         generate error instead.  Generate error for unsupported operand types.
9345         ['z']: Do not handle HImode memory operands specially.  Warning
9346         for floating-point operands.  Fallthru to 'Z' for unsupported operand
9347         types.  Do not ICE for unsupported size, generate error instead.
9348         (output_387_binary_op): Use %Z to output operands.
9349         (output_fp_compare): Ditto.
9350         (output_387_reg_move): Ditto.
9351
9352 2009-04-28  Ben Elliston  <bje@au.ibm.com>
9353
9354         PR c++/35652
9355         Revert:
9356
9357         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9358
9359         * builtins.c (c_strlen): Do not warn here.
9360         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
9361         * c-common.c (pointer_int_sum): Take an explicit location.
9362         Warn about offsets out of bounds.
9363         * c-common.h (pointer_int_sum): Adjust declaration.
9364
9365 2009-04-27  Ian Lance Taylor  <iant@google.com>
9366
9367         * collect2.c (is_ctor_dtor): Change type of ret field in struct
9368         names to symkind.
9369         * dce.c (run_fast_df_dce): Change type of old_flags to int.
9370         * df-core.c (df_set_flags): Change return type to int.  Change
9371         type of old_flags to int.
9372         (df_clear_flags): Likewise.
9373         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
9374         (df_get_conditional_uses): Likewise.
9375         * df.h (df_set_flags, df_clear_flags): Update declarations.
9376         * dwarf2out.c (struct indirect_string_node): Change type of form
9377         field to enum dwarf_form.
9378         (AT_string_form): Change return type to enum dwarf_form.
9379         * fixed-value.c (fixed_compare): Add cast to enum type.
9380         * fwprop.c (update_df): Change 0 to VOIDmode.
9381         * gensupport.c: Change 0 to UNKNOWN.
9382         * gimple.h (gimple_cond_code): Add cast to enum type.
9383         * haifa-sched.c (reemit_notes): Add cast to enum type.
9384         * hooks.c (hook_int_void_no_regs): Remove function.
9385         * hooks.h (hook_int_void_no_regs): Remove declaration.
9386         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
9387         * predict.c (combine_predictions_for_insn): Add casts to enum type.
9388         * real.c (real_arithmetic): Add cast to enum type.
9389         (real_compare): Likewise.
9390         * target.h (struct gcc_target): Change return type of
9391         branch_target_register_class to enum reg_class.
9392         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
9393         default_branch_target_register_class.
9394         * targhooks.c (default_branch_target_register_class): New function.
9395         * targhooks.h (default_branch_target_register_class): Declare.
9396         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
9397         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
9398         cast to int.
9399         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
9400         ERROR_MARK.
9401         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
9402         vect_uninitialized_def.  Change 0 to ERROR_MARK.
9403         * tree-vect-stmts.c (supportable_widening_operation): Don't
9404         initialize icode1 and icode2.
9405         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
9406         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
9407         and to STD_C89.
9408         (cmn_err_flag_specs): Change 0 to STD_C89.
9409         (cmn_err_char_table): Likewise.
9410         * config/arm/arm.c (get_arm_condition_code): Change type of code
9411         to enum arm_cond_code.
9412         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
9413         (IWMMXT_BUILTIN2): Likewise.
9414         (neon_builtin_type_bits): Don't define typedef.
9415         (neon_builtin_datum): Change type of bits field to int.
9416         (arm_expand_neon_args): Add cast to enum type.
9417         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
9418         TLS_MODEL_NONE.
9419         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
9420         casts to enum type.
9421         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
9422         MIPS_FP_COND_f.
9423         * config/mips/mips.md (jal_macro): Return enum constant.
9424         (single_insn): Likewise.
9425         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
9426         CODE_FOR_nothing.
9427         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
9428         casts to enum type.
9429         * config/s390/s390.c (s390_tune_flags): Change type to int.
9430         (s390_arch_flags): Likewise.
9431         (s390_handle_arch_option): Change flags field of struct pta to int.
9432         * config/s390/s390.h (s390_tune_flags): Update declaration.
9433         (s390_arch_flags): Likewise.
9434         * config/sh/sh.c (prepare_move_operands): Compare
9435         tls_symbolic_operand result with enum constant.
9436         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
9437         (sh_expand_prologue): Add cast to enum type.
9438         (sh_expand_epilogue): Likewise.
9439         (tls_symbolic_operand): Change return type to enum tls_model.
9440         (fpscr_set_from_mem): Add cast to enum type.
9441         (legitimize_pic_address): Compare tls_symbolic_operand result with
9442         enum constant.
9443         (sh_target_reg_class): Change return type to enum reg_class.
9444         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
9445         PROCESSOR_xxx.
9446         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
9447         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
9448         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
9449         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
9450         (delayed_branch, tls_call_delay): Likewise.
9451         (eligible_for_sibcall_delay): Likewise.
9452         (eligible_for_return_delay): Likewise. 
9453         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
9454         (spu_expand_builtin_1): Likewise.
9455
9456         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
9457         for all types of conversions.
9458         (output_init_element): Issue -Wc++-compat warning if needed when
9459         initializing a bitfield with enum type.
9460         * c-parser.c (c_parser_expression): Set original_type to
9461         original_type of right hand operand of comman operator.
9462
9463 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9464
9465         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
9466         grammar nits.
9467         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
9468         * doc/cpp.texi (Standard Predefined Macros)
9469         (Implementation-defined behavior): Likewise.
9470         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
9471         * doc/gimple.texi (GIMPLE Exception Handling)
9472         (@code{GIMPLE_ASSIGN}): Likewise.
9473         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
9474         * doc/invoke.texi (Warning Options, Optimize Options)
9475         (AVR Options, Darwin Options): Likewise.
9476         (Optimize Options): Reformulate -fwhole-program description.
9477         * doc/loop.texi (Lambda): Likewise.
9478         * doc/md.texi (Output Template, Define Constraints)
9479         (Standard Names, Insn Splitting): Likewise.
9480         * doc/options.texi (Option properties): Likewise.
9481         * doc/passes.texi (Tree-SSA passes): Likewise.
9482         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
9483         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
9484         (File Names and DBX): Likewise.
9485         * doc/trouble.texi (Incompatibilities): Likewise.
9486
9487 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
9488
9489         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
9490         instruction is correct.
9491
9492 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
9493
9494         Allow non-constant arguments to conversion intrinsics.
9495         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
9496         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
9497         * spu.c (print_operand): Handle 'v' and 'w'.
9498         (exp2_immediate_p, spu_gen_exp2): Define.
9499         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
9500         spu_convtf_1): Update parameter descriptions.
9501         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
9502         * constraints.md ('v', 'w'): New.
9503         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
9504         Remove.
9505         (i2f, I2F): New define_mode_attr.
9506         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
9507         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
9508         fixuns_truncv4sfv4si2):  Update to use mode attribute.
9509         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
9510         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
9511         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
9512         patterns for combine.
9513
9514 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
9515
9516         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
9517         (cprop, hoist, pre, store_motion): New debug counters.
9518         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
9519         is not an RTL pass anymore.
9520         (pass_profiling): Remove extern decl for pass removed in 2005.
9521         (pass_gcse, pass_jump_bypass): Remove.
9522         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
9523         to 0 for clean state.
9524         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
9525         * cse.c (gate_handle_cse_after_global_opts,
9526         rest_of_handle_cse_after_global_opts): New functions.
9527         (pass_cse_after_global_opts): New pass, does local CSE.
9528         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
9529         (TV_CPROP): New timevar.
9530         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
9531         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
9532         (gcse_main, recompute_all_luids): Remove.
9533         (compute_hash_table_work): Call max_reg_num instead of reading
9534         max_gcse_regno.
9535         (cprop_jump): Don't set run_jump_opt_after_gcse.
9536         (constprop_register): Always allow to alter jumps.
9537         (cprop_insn): Likewise.
9538         (do_local_cprop): Likewise.
9539         (local_cprop_pass): Likewise.  Return non-zero if something changed.
9540         (cprop): Remove function, fold interesting bits into one_cprop_pass.
9541         (find_implicit_sets): Add note about missed optimization opportunity.
9542         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
9543         pass_rtl_cprop execute function.
9544         Don't bother tracking the pass number, each pass gets its own dumpfile
9545         now anyway.
9546         Always allow to alter jumpsand bypass jumps.
9547         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
9548         will just find no suitable set.
9549         (pre_edge_insert): Fix dumping, this function is for PRE only.
9550         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
9551         pass_rtl_pre execute function.
9552         (hoist_code): Return non-zero if something changed.  Keep track of
9553         substitutions and insertions for statistics gathering similar to PRE.
9554         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
9555         called from the pass_rtl_hoist execute function.  Show pass statistics.
9556         (compute_store_table): Use max_reg_num directly instead of using the
9557         formerly global max_gcse_regno.
9558         (build_store_vectors): Likewise.
9559         (replace_store_insn): Fix dumping.
9560         (store_motion): Rename to ...
9561         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
9562         pass, called from the pass_rtl_store_motion execute function.  Keep
9563         track of substitutions and insertions for statistics gathering similar
9564         to PRE.
9565         (bypass_jumps): Remove, fold interesting bits into ...
9566         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
9567         from the pass_rtl_cprop execute function.
9568         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
9569         pass_jump_bypass): Remove.
9570         (gate_handle_gcse, rest_of_handle_gcse): Remove.
9571         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
9572         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
9573         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
9574         (gate_rtl_store_motion, execute_rtl_store_motion,
9575         pass_rtl_store_motion): New.
9576         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
9577         make it clear that -fcse-skip-blocks is a no-op for backward compat.
9578         * passes.c (init_optimization_passes): Remove pass_gcse and
9579         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
9580         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
9581         instead of pass_jump_bypass.
9582
9583 2009-04-27  Richard Guenther  <rguenther@suse.de>
9584
9585         PR middle-end/39928
9586         * gimplify.c (gimplify_expr): If we are required to create
9587         a temporary make sure it ends up as register.
9588
9589 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
9590
9591         PR target/39903
9592         * config/i386/i386.c (construct_container): Don't call
9593         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
9594         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
9595
9596 2009-04-27  Michael Matz  <matz@suse.de>
9597
9598         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
9599         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
9600         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
9601         (dump_replaceable_exprs): Take a bitmap.
9602         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
9603         array.
9604         (expand_gimple_basic_block): Likewise.
9605         * tree-ssa-ter.c (struct temp_expr_table_d): Make
9606         replaceable_expressions member a bitmap.
9607         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
9608         (mark_replaceable): Likewise.
9609         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
9610         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
9611
9612 2009-04-27  Richard Guenther  <rguenther@suse.de>
9613
9614         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
9615         (verify_stmts): Dispatch to gimple/type verification code.
9616         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
9617         issue with call argument types.
9618
9619 2009-04-27  Michael Matz  <matz@suse.de>
9620
9621         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
9622         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
9623         to above.
9624
9625 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
9626             Eric Botcazou  <ebotcazou@adacore.com>
9627
9628         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
9629         a label's basic block.
9630         (mark_target_live_regs): Tidy and rework obsolete comments.
9631         Change back DF problem to LIVE.  If a label starts a basic block,
9632         assume that all registers that used to be live then still are.
9633         (init_resource_info): If a label starts a basic block, set its
9634         BLOCK_FOR_INSN accordingly.
9635         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
9636
9637 2009-04-27  Richard Guenther  <rguenther@suse.de>
9638
9639         * tree-flow-inline.h (function_ann): Remove.
9640         (get_function_ann): Likewise.
9641         * tree-dfa.c (create_function_ann): Remove.
9642         * tree-flow.h (struct static_var_ann_d): Remove.
9643         (struct function_ann_d): Likewise.
9644         (union tree_ann_d): Remove fdecl member.
9645         (function_ann_t): Remove.
9646         (function_ann, get_function_ann, create_function_ann): Remove
9647         declarations.
9648
9649 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
9650
9651         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
9652
9653 2009-04-27  Jan Hubicka  <jh@suse.cz>
9654
9655         * ipa-pure-const.c (struct funct_state_d): New fields
9656         state_previously_known, looping_previously_known; remove
9657         state_set_in_source.
9658         (analyze_function): Use new fields.
9659         (propagate): Avoid assumption that state_set_in_source imply
9660         nonlooping.
9661
9662         * tree-ssa-loop-niter.c (finite_loop_p): New function.
9663         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
9664         * cfgloop.h (finite_loop_p): Declare.
9665
9666 2009-04-26  Michael Matz  <matz@suse.de>
9667
9668         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
9669
9670 2009-04-26  Michael Matz  <matz@suse.de>
9671
9672         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
9673         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
9674         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
9675         pass_mark_used_blocks): Remove.
9676         * tree-optimize.c (pass_free_datastructures,
9677         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
9678         * passes.c (init_optimization_passes): Don't call
9679         pass_mark_used_blocks, remove dead code.
9680
9681 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
9682
9683         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
9684         * tree-ssa-live.h (register_ssa_partition): Likewise.
9685
9686 2009-04-26  Michael Matz  <matz@suse.de>
9687
9688         Expand from SSA.
9689         * builtins.c (fold_builtin_next_arg): Handle SSA names.
9690         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
9691         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
9692         SSA names. 
9693         (compare_pairs): Swap cost comparison.
9694         (coalesce_ssa_name): Don't use change_partition_var.
9695         * tree-nrv.c (struct nrv_data): Add modified member.
9696         (finalize_nrv_r): Set it.
9697         (tree_nrv): Use it to update statements.
9698         (pass_nrv): Require PROP_ssa.
9699         * tree-mudflap.c (mf_decl_cache_locals,
9700         mf_build_check_statement_for): Use make_rename_temp.
9701         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
9702         * alias.c (find_base_decl): Handle SSA names.
9703         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
9704         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
9705         * rtl.h (set_reg_attrs_for_parm): Declare.
9706         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
9707         to "optimized", remove unused locals at finish.
9708         (execute_free_datastructures): Make global, call
9709         delete_tree_cfg_annotations.
9710         (execute_free_cfg_annotations): Don't call
9711         delete_tree_cfg_annotations.
9712
9713         * ssaexpand.h: New file.
9714         * expr.c (toplevel): Include ssaexpand.h.
9715         (expand_assignment): Handle SSA names the same as register variables.
9716         (expand_expr_real_1): Expand SSA names.
9717         * cfgexpand.c (toplevel): Include ssaexpand.h.
9718         (SA): New global variable.
9719         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
9720         (SSAVAR): New macro.
9721         (set_rtl): New helper function.
9722         (add_stack_var): Deal with SSA names, use set_rtl.
9723         (expand_one_stack_var_at): Likewise.
9724         (expand_one_stack_var): Deal with SSA names.
9725         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
9726         before unique numbers.
9727         (expand_stack_vars): Use set_rtl.
9728         (expand_one_var): Accept SSA names, add asserts for them, feed them
9729         to above subroutines.
9730         (expand_used_vars): Expand all partitions (without default defs),
9731         then only the local decls (ignoring those expanded already).
9732         (expand_gimple_cond): Remove edges when jumpif() expands an
9733         unconditional jump.
9734         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
9735         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
9736         SSA name.
9737         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
9738         members of SA; deal with PARM_DECL partitions here; expand
9739         all PHI nodes, free tree datastructures and SA.  Commit instructions
9740         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
9741         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
9742         info and statements at start, collect garbage at finish.
9743         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
9744         (VAR_ANN_PARTITION) Remove.
9745         (change_partition_var): Don't declare.
9746         (partition_to_var): Always return SSA names.
9747         (var_to_partition): Only accept SSA names.
9748         (register_ssa_partition): Only check argument.
9749         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
9750         member.
9751         (delete_var_map): Don't free it.
9752         (var_union): Only accept SSA names, simplify.
9753         (partition_view_init): Mark only useful SSA names as used.
9754         (partition_view_fini): Only deal with SSA names.
9755         (change_partition_var): Remove.
9756         (dump_var_map): Use ssa_name instead of partition_to_var member.
9757         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
9758         basic blocks.
9759         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
9760         (struct _elim_graph): New member const_dests; nodes member vector of
9761         ints.
9762         (set_location_for_edge): New static helper.
9763         (create_temp): Remove.
9764         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
9765         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
9766         (new_elim_graph): Allocate const_dests member.
9767         (clean_elim_graph): Truncate const_dests member.
9768         (delete_elim_graph): Free const_dests member.
9769         (elim_graph_size): Adapt to new type of nodes member.
9770         (elim_graph_add_node): Likewise.
9771         (eliminate_name): Likewise.
9772         (eliminate_build): Don't take basic block argument, deal only with
9773         partition numbers, not variables.
9774         (get_temp_reg): New static helper.
9775         (elim_create): Use it, deal with RTL temporaries instead of trees.
9776         (eliminate_phi): Adjust all calls to new signature.
9777         (assign_vars, replace_use_variable, replace_def_variable): Remove.
9778         (rewrite_trees): Only do checking.
9779         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
9780         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
9781         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
9782         contains_tree_r, MAX_STMTS_IN_LATCH,
9783         process_single_block_loop_latch, analyze_edges_for_bb,
9784         perform_edge_inserts): Remove.
9785         (expand_phi_nodes): New global function.
9786         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
9787         functions, initialize new parameter, remember partitions having a
9788         default def.
9789         (finish_out_of_ssa): New global function.
9790         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
9791         don't reset in_ssa_p here, don't disable TER when mudflap.
9792         (pass_del_ssa): Remove.
9793         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
9794         partition members.
9795         (execute_free_datastructures): Declare.
9796         * Makefile.in (SSAEXPAND_H): New variable.
9797         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
9798         * basic-block.h (commit_one_edge_insertion): Declare.
9799         * passes.c (init_optimization_passes): Move pass_nrv and
9800         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
9801         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
9802         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
9803         (redirect_branch_edge): Deal with super block when expanding, split
9804         out jump patching itself into ...
9805         (patch_jump_insn): ... here, new static helper.
9806
9807 2009-04-26  Michael Matz  <matz@suse.de>
9808
9809         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
9810         beyond num_ssa_names.
9811         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
9812         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
9813
9814 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
9815
9816         PR inline-asm/39543
9817         * fwprop.c (forward_propagate_asm): New function.
9818         (forward_propagate_and_simplify): Propagate also into __asm, if it
9819         doesn't increase the number of referenced registers.
9820
9821         PR c/39889
9822         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
9823
9824 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
9825
9826         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
9827         note_nonlocal_vla_type for nonlocal VLAs.
9828         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
9829         contains_remapped_vars, remap_vla_decls): New functions.
9830         (convert_nonlocal_reference_stmt): If not optimizing, call
9831         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
9832         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
9833         if it wasn't found in var_map.
9834         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
9835         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
9836         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
9837         declare_vars.
9838         * gimplify.c (nonlocal_vlas): New variable.
9839         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
9840         referenced VLAs.
9841         (gimplify_body): Create and destroy nonlocal_vlas.
9842
9843         * dwarf2out.c (loc_descr_plus_const): New function.
9844         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
9845         mem_loc_descriptor, loc_descriptor_from_tree_1,
9846         descr_info_loc, gen_variable_die): Use it.
9847
9848         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
9849         !TREE_STATIC VAR_DECLs.
9850         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
9851         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
9852         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
9853         DECL_BY_REFERENCE is valid.
9854         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
9855         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
9856         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
9857         Copy DECL_BY_REFERENCE.
9858         (struct nesting_copy_body_data): New type.
9859         (nesting_copy_decl): New function.
9860         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
9861         if they have variable length.
9862
9863 2009-04-26  Michael Matz  <matz@suse.de>
9864
9865         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
9866         mark new temporaries for renaming.
9867
9868 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
9869
9870         PR c/39581
9871         * c-decl.c (global_bindings_p): Return negative value.
9872         (c_variable_size): New.  Based on variable_size from
9873         stor-layout.c.
9874         (grokdeclarator): Call c_variable_size not variable_size.
9875
9876 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
9877
9878         * config/i386/i386.c (print_operand) ['z']: Fix typo.
9879
9880 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
9881
9882         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
9883         Redefine it to just use mingw/include.
9884         (ASM_SPEC): Rules for -m32 and -m64.
9885         (LINK_SPEC): Use Likewise.
9886         (SPEC_32): New define.
9887         (SPEC_64): Likewise.
9888         (SUB_LINK_SPEC): Likewise.
9889         (MULTILIB_DEFAULTS): New define.
9890         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
9891         Add multilib options.
9892         (MULTILIB_DIRNAMES): Likewise.
9893         (MULTILIB_OSDIRNAMES): Likewise.
9894         (LIBGCC): Likewise.
9895         (INSTALL_LIBGCC): Likewise.
9896
9897 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
9898
9899         PR c/39556
9900         * c-tree.h (enum c_inline_static_type): New.
9901         (record_inline_static): Declare.
9902         * c-decl.c (struct c_inline_static, c_inline_statics,
9903         record_inline_static, check_inline_statics): New.
9904         (pop_file_scope): Call check_inline_statics.
9905         (start_decl): Call record_inline_static instead of pedwarning
9906         directly for static in inline function.
9907         * c-typeck.c (build_external_ref): Call record_inline_static
9908         instead of pedwarning directly for static referenced in inline
9909         function.
9910
9911 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
9912
9913         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
9914         not new but only being rescanned.
9915         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
9916         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
9917         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
9918         record_set_info, compute_set, grealloc): Remove.
9919         (recompute_all_luids): New function.
9920         (gcse_main): Don't compute sets, and don't do related memory
9921         allocations/free-ing.  If something changed before the end of the
9922         pass, update LUIDs using recompute_all_luids.
9923         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
9924         (free_gcse_mem): Don't free it either.
9925         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
9926         Use the df insn LUIDs.
9927         (load_killed_in_block): Likewise.
9928         (compute_hash_table_work): Don't compute reg_set_in_block.
9929         (compute_transp): Use DF_REG_DEF_CHAINs.
9930         (local_cprop_pass): Don't use compute_sets and related functions.
9931         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
9932         Use get_max_uid() instead of max_cuid.
9933         (insert_insn_end_basic_block, pre_insert_copy_insn,
9934         update_ld_motion_stores): Don't try to
9935         keep reg_set tables up to date.
9936         (pre_insert_copies): Use df insn LUIDs.
9937         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
9938         (reg_set_info): Don't use extra bitmap argument.
9939         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
9940         information to compute regs_set_in_block.
9941         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
9942         (bypass_jumps): Don't use compute_sets and friends.
9943
9944 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9945
9946         PR testsuite/39710
9947         * opts.c (undocumented_msg): Do not leave blank even with
9948         ENABLE_CHECKING.
9949
9950 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
9951
9952         * c-decl.c (build_enumerator): Allow values folding to integer
9953         constants but not integer constant expressions with a pedwarn if
9954         pedantic.
9955
9956 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
9957
9958         PR c/39582
9959         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
9960         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
9961         type is an integer constant.
9962
9963 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
9964
9965         PR target/39897
9966         * config/i386/i386.c (print_operand) ['z']: Revert handling of
9967         HImode operands.
9968
9969 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
9970
9971         PR c/39564
9972         * c-decl.c (grokdeclarator): Diagnose declarations of functions
9973         with variably modified return type and no storage class
9974         specifiers, except for the case of nested functions.  Distinguish
9975         extern declarations of functions with variably modified return
9976         types from those of objects with variably modified types.
9977
9978 2009-04-25  Jan Hubicka  <jh@suse.cz>
9979
9980         * tree.c (list_equal_p): New function.
9981         * tree.h (list_equal_p): Declare.
9982         * coretypes.h (edge_def, edge, const_edge, basic_block_def
9983         basic_block_def, basic_block, const_basic_block): New.
9984         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
9985         (redirect_eh_edge): New function.
9986         (make_eh_edge_update_phi): EH edges are not abnormal.
9987         * except.c: Include tree-flow.h.
9988         (list_match): New function.
9989         (eh_region_replaceable_by_p): New function.
9990         (replace_region): New function.
9991         (hash_type_list): New function.
9992         (hash_eh_region): New function.
9993         (eh_regions_equal_p): New function.
9994         (merge_peers): New function.
9995         (remove_unreachable_regions): Verify EH tree when checking;
9996         merge peers.
9997         (copy_eh_region_1): New function.
9998         (copy_eh_region): New function.
9999         (push_reachable_handler): New function.
10000         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
10001         regions without label but with live RESX.
10002         * except.h (redirect_eh_edge_to_label): New.
10003         * tree-flow.h (redirect_eh_edge): New.
10004         * coretypes.h (edge_def, edge, const_edge, basic_block_def
10005         basic_block_def, basic_block, const_basic_block): Remove.
10006         * Makefile.in (except.o): Add dependency on tree-flow.h
10007         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
10008         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
10009         Remove.
10010
10011 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
10012
10013         PR bootstrap/39645
10014         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
10015         on the destination of memcpy.
10016
10017 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
10018
10019         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
10020         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
10021         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
10022
10023 2009-04-25  Jan Hubicka  <jh@suse.cz>
10024
10025         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
10026         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
10027         to be reached by different label than left.
10028         (update_eh_edges): Update comment; remove edge_to_remove if possible
10029         and return true if suceeded.
10030         (cleanup_empty_eh): Accept sharing map; handle shared regions.
10031         (cleanup_eh): Compute sharing map.
10032         * except.c (remove_eh_handler_and_replace): Add argument if we should
10033         update regions.
10034         (remove_unreachable_regions): Update for label sharing.
10035         (label_to_region_map): Likewise.
10036         (get_next_region_sharing_label): New function.
10037         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
10038         prev_try pointers.
10039         (remove_eh_handler): Update.
10040         (remove_eh_region_and_replace_by_outer_of): New function.
10041         * except.h (struct eh_region): Add next_region_sharing_label.
10042         (remove_eh_region_and_replace_by_outer_of,
10043         get_next_region_sharing_label): Declare.
10044         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
10045
10046 2009-04-25  Jan Hubicka  <jh@suse.cz>
10047
10048         * tree-cfg.c (split_critical_edges): Split also edges where we can't
10049         insert code even if they are not critical.
10050
10051 2009-04-25  Jan Hubicka  <jh@suse.cz>
10052
10053         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
10054         (gimple_can_remove_branch_p): EH edges won't remove branch by
10055         redirection.
10056         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
10057         updating of non-abnormal EH edges.
10058         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
10059         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
10060         (split_critical_edges): Split also edges where emitting code on them
10061         will lead to splitting later.
10062
10063 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
10064             H.J. Lu  <hongjiu.lu@intel.com>
10065
10066         PR target/39590
10067         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
10068         the configured assembler supports fildq and fistpq mnemonics.
10069         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
10070         * configure: Regenerated.
10071         * config.in: Ditto.
10072
10073         * config/i386/i386.c (print_operand): Handle 'Z'.
10074         ['z']: Remove handling of special fild/fist suffixes.
10075         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
10076         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
10077         suffix of fild insn.
10078         (*floatsi<mode>2_vector_mixed): Ditto.
10079         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
10080         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
10081         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
10082         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
10083         * config/i386/gas.h (GAS_MNEMONICS): Remove.
10084
10085 2009-04-25  Ben Elliston  <bje@au.ibm.com>
10086  
10087         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
10088         the source of a set operation.
10089
10090 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
10091
10092         * target.h (struct gcc_target): Add case_values_threshold field.
10093         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
10094         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
10095         * targhooks.c (default_case_values_threshold): New function.
10096         * targhooks.h (default_case_values_threshold): Declare function.
10097         * stmt.c (expand_case): Use case_values_threshold target hook.
10098         * expr.h (case_values_threshold): Remove declartation.
10099         * expr.c (case_values_threshold): Remove function.
10100         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
10101
10102         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
10103         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
10104         (avr_case_values_threshold): Declare as static.
10105         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
10106
10107         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
10108         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
10109         (mn10300_case_values_threshold): New function.
10110
10111 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
10112
10113         * ira.c (setup_cover_and_important_classes): Add enum cast.
10114
10115 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
10116
10117         * genpreds.c (write_enum_constraint_num): Output definition of
10118         CONSTRAINT_NUM_DEFINED_P macro.
10119         * ira.c (setup_cover_and_important_classes): Use
10120         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
10121         
10122 2009-04-24  DJ Delorie  <dj@redhat.com>
10123
10124         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
10125         __SH2A_SINGLE_ONLY__ also.
10126
10127 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
10128
10129         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
10130         (movdf_internal): Ditto.
10131         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
10132         SFmode and DFmode constants.
10133         (ia64_print_operand): Add 'G' format for printing
10134         floating point constants.
10135
10136 2009-04-24  Richard Guenther  <rguenther@suse.de>
10137
10138         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
10139         from unsigned additions.
10140
10141 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
10142
10143         * c-typeck.c (set_init_index): Allow array designators that are
10144         not integer constant expressions with a pedwarn if pedantic.
10145
10146 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
10147
10148         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
10149         zero if no overlap in nonzero bits between the operands.
10150
10151 2009-04-24  Ian Lance Taylor  <iant@google.com>
10152
10153         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
10154         (record_dead_and_set_regs): Likewise.
10155         * df.h (struct df_mw_hardreg): Change flags field to int.
10156         (struct df_base_ref): Likewise.
10157         (struct df): Change changeable_flags field to int.
10158         * df-scan.c (df_defs_record): Change clobber_flags to int.
10159         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
10160         constants rather than #define macros.
10161         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
10162         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
10163         (enum dwarf_calling_convention): Likewise.
10164         (enum dwarf_line_number_x_ops): Likewise.
10165         (enum dwarf_call_frame_info): Likewise.
10166         (enum dwarf_source_language): Likewise.
10167         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
10168         (add_calling_convention_attribute): Likewise.
10169         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
10170         (combine_comparisons): Change compcode to int.  Add cast to enum type.
10171         * genrecog.c (maybe_both_true_2): Change c to int.
10172         (write_switch): Likewise.  Add cast to enum type.
10173         * gimplify.c (gimplify_omp_for): Handle return values from
10174         gimplify_expr using MIN rather than bitwise or.
10175         (gimplify_expr): Add cast to enum type.
10176         * ipa-prop.c (update_jump_functions_after_inlining): Change
10177         IPA_BOTTOM to IPA_JF_UNKNOWN.
10178         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
10179         Add casts to enum type.
10180         (setup_cover_and_important_classes): Change cl to int.  Add casts
10181         to enum type.
10182         (setup_class_translate): Change cl and mode to int.
10183         (ira_init_once): Change mode to int.
10184         (free_register_move_costs): Likewise.
10185         (setup_prohibited_mode_move_regs): Add casts to enum type.
10186         * langhooks.c (add_builtin_function_common): Rework assertion that
10187         value fits bitfield.
10188         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
10189         * omega.c (omega_do_elimination): Avoid math on enum types.
10190         * optabs.c (expand_vec_shift_expr): Remove casts to int.
10191         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
10192         int local to handle integral_argment value.
10193         * regmove.c (try_auto_increment): Change PUT_MODE to
10194         PUT_REG_NOTE_KIND.
10195         * reload.c (push_secondary_reload): Add casts to enum type.
10196         (secondary_reload_class, find_valid_class): Likewise.
10197         * reload1.c (emit_input_reload_insns): Likewise.
10198         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
10199         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
10200         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
10201         constant.
10202         * tree.c (build_common_builtin_nodes): Add casts to enum type.
10203         * tree-complex.c (complex_lattice_t): Typedef to int rather than
10204         enum type.
10205         (expand_complex_libcall): Add casts to enum type.
10206         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
10207         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
10208         with ERROR_MARK, not NUM_TREE_CODES.
10209         (vect_create_epilog_for_reduction): Likewise.
10210         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
10211         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
10212         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
10213         enum machine_mode.
10214         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
10215         vect_unused_in_loop.  Change 0 to loop_vect.
10216         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
10217         * var-tracking.c (get_init_value): Change return type to enum
10218         var_init_status.
10219         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
10220         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
10221         arm_fp_model.
10222         (arm_override_options): Add casts to enum type.
10223         (arm_emit_tls_decoration): Likewise.
10224         * config/i386/i386.c (ix86_function_specific_restore): Add casts
10225         to enum type.
10226         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
10227         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
10228         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
10229         enum type.
10230         * config/s390/s390.c (code_for_builtin_64): Change to array of
10231         enum insn_code.
10232         (code_for_builtin_31): Likewise.
10233         (s390_expand_builtin): Change code_for_builtin to enum insn_code
10234         const *.
10235         * config/sparc/sparc.c (sparc_override_options): Change value
10236         field in struct code_model to enum cmodel.  In initializer change
10237         0 to NULL and add cast to enum type.
10238
10239         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
10240         Change all callers.  Issue a -Wc++-compat warning using
10241         lhs_origtype if necessary.
10242         (convert_for_assignment): Issue -Wc++-compat warnings about
10243         invalid conversions to enum type on assignment.
10244         * c-common.h (build_modify_expr): Update declaration.
10245
10246 2009-04-24  Nick Clifton  <nickc@redhat.com>
10247
10248         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
10249         (function_arg_advance): Likewise.
10250         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
10251         5th alternative.
10252
10253 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
10254
10255         * config/s390/constraints.md ('I', 'J'): Fix condition.
10256
10257 2009-04-24  Diego Novillo  <dnovillo@google.com>
10258
10259         * gengtype-parse.c (parse_error): Add newline after message.
10260
10261 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
10262
10263         * config/i386/sse.md (avxmodesuffixs): Removed.
10264         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
10265         (*avx_pinsr<ssevecsize>): This.
10266
10267 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
10268
10269         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
10270         follow chains of regs with a single definition, and allow expressions
10271         that are function_invariant_p.
10272         (simple_rhs_p): Allow expressions that are function_invariant_p.
10273
10274 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
10275
10276         PR middle-end/39867
10277         * fold-const.c (fold_cond_expr_with_comparison): When folding
10278         > and >= to MAX, make sure the MAX uses the same type as the
10279         comparison's operands.
10280
10281 2009-04-24  Nick Clifton  <nickc@redhat.com>
10282
10283         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
10284         addressing for DImode accesses.
10285         (frv_print_operand_address): Handle PLUS case.
10286         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
10287
10288 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
10289
10290         PR rtl-optimization/39794
10291         * alias.c (canon_true_dependence): Add x_addr argument.
10292         * rtl.h (canon_true_dependence): Adjust prototype.
10293         * cse.c (check_dependence): Adjust canon_true_dependence callers.
10294         * cselib.c (cselib_invalidate_mem): Likewise.
10295         * gcse.c (compute_transp): Likewise.
10296         * dse.c (scan_reads_nospill): Likewise.
10297         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
10298         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
10299         canon_base_addr of the group, plus optional offset.
10300         (struct group_info): Rename canon_base_mem to
10301         canon_base_addr.
10302         (get_group_info): Set canon_base_addr to canon_rtx of base, not
10303         canon_rtx of base_mem.
10304
10305 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
10306
10307         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
10308         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
10309
10310 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10311
10312         * config/spu/spu-builtins.h: Delete file.
10313
10314         * config/spu/spu.h (enum spu_builtin_type): Move here from
10315         spu-builtins.h.
10316         (struct spu_builtin_description): Likewise.  Add GTY marker.
10317         Do not use enum spu_function_code or enum insn_code.
10318         (spu_builtins): Add extern declaration.
10319
10320         * config/spu/spu.c: Do not include "spu-builtins.h".
10321         (enum spu_function_code, enum spu_builtin_type_index,
10322         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
10323         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
10324         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
10325         unsigned_V2DI_type_node): Move here from spu-builtins.h.
10326         (spu_builtin_types): Make static.  Add GTY marker.
10327         (spu_builtins): Add extern declaration with GTY marker.
10328         Include "gt-spu.h".
10329
10330         * config/spu/spu-c.c: Do not include "spu-builtins.h".
10331         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
10332         Check programmatically whether all parameters are scalar.
10333
10334         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
10335
10336 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
10337
10338         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
10339         assignment from the constructor either if the target is volatile.
10340
10341 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
10342
10343         * config/arm/arm.md (insv): Do not share operands[0].
10344
10345 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
10346
10347         * config/vxlib-tls.c (active_tls_threads): Delete.
10348         (delete_hook_installed): New.
10349         (tls_delete_hook): Don't delete the delete hook.
10350         (tls_destructor): Delete it here.
10351         (__gthread_set_specific): Adjust installing the delete hook.
10352         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
10353         __gthread_leave_tsd_dtor_context.
10354
10355 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
10356
10357         * c-format.c (gcc_tdiag_char_table): Add support for %E.
10358
10359 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
10360
10361         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
10362         enum type.
10363         (alpha_rtx_costs): Ditto.
10364         (emit_unlikely_jump): Use add_reg_note.
10365         (emit_frame_store_1): Ditto.
10366         (alpha_expand_prologue): Ditto.
10367         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
10368         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
10369
10370 2009-04-23  Nick Clifton  <nickc@redhat.com>
10371
10372         * config/v850/v850.md (epilogue): Remove suppressed code.
10373         (return): Rename to return_simple and remove test of frame size.
10374         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
10375         to gen_return_simple.
10376
10377 2009-04-22  Jing Yu  <jingyu@google.com>
10378
10379         PR testsuite/39781
10380         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
10381
10382 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10383
10384         PR C/31499
10385         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
10386         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
10387         value is a VECTOR_CST, the element type is the element type of the
10388         vector.
10389
10390 2009-04-22  DJ Delorie  <dj@redhat.com>
10391
10392         * config/m32c/m32c.h: Update GTY annotations to new syntax.
10393
10394 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
10395
10396         * alias.c (find_base_term): Move around LO_SUM case, so that
10397         CONST falls through into PLUS/MINUS handling.
10398
10399         PR c/39855
10400         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
10401         into 0, use omit_one_operand.
10402
10403 2009-04-23  Ben Elliston  <bje@au.ibm.com>
10404
10405         * config/rs6000/linux-unwind.h (get_regs): Remove type
10406         puns. Change the type of `pc' to an array of unsigned ints and
10407         update all users.  Constify frame24.
10408
10409 2009-04-22  DJ Delorie  <dj@redhat.com>
10410
10411         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
10412         declarations before code.
10413         (current_function_special_page_vector): Likewise.
10414         (m32c_expand_insv): Silence a warning.
10415
10416 2009-04-21  Taras Glek  <tglek@mozilla.com>
10417
10418         * alias.c: Update GTY annotations to new syntax.
10419         * basic-block.h: Likewise.
10420         * bitmap.h: Likewise.
10421         * c-common.h: Likewise.
10422         * c-decl.c: Likewise.
10423         * c-parser.c: Likewise.
10424         * c-pragma.c: Likewise.
10425         * c-tree.h: Likewise.
10426         * cfgloop.h: Likewise.
10427         * cgraph.h: Likewise.
10428         * config/alpha/alpha.c: Likewise.
10429         * config/arm/arm.h: Likewise.
10430         * config/avr/avr.h: Likewise.
10431         * config/bfin/bfin.c: Likewise.
10432         * config/cris/cris.c: Likewise.
10433         * config/darwin.c: Likewise.
10434         * config/frv/frv.c: Likewise.
10435         * config/i386/i386.c: Likewise.
10436         * config/i386/i386.h: Likewise.
10437         * config/i386/winnt.c: Likewise.
10438         * config/ia64/ia64.h: Likewise.
10439         * config/iq2000/iq2000.c: Likewise.
10440         * config/mips/mips.c: Likewise.
10441         * config/mmix/mmix.h: Likewise.
10442         * config/pa/pa.c: Likewise.
10443         * config/pa/pa.h: Likewise.
10444         * config/rs6000/rs6000.c: Likewise.
10445         * config/s390/s390.c: Likewise.
10446         * config/sparc/sparc.c: Likewise.
10447         * config/xtensa/xtensa.c: Likewise.
10448         * cselib.h: Likewise.
10449         * dbxout.c: Likewise.
10450         * dwarf2out.c: Likewise.
10451         * except.c: Likewise.
10452         * except.h: Likewise.
10453         * fixed-value.h: Likewise.
10454         * function.c: Likewise.
10455         * function.h: Likewise.
10456         * gimple.h: Likewise.
10457         * integrate.c: Likewise.
10458         * optabs.c: Likewise.
10459         * output.h: Likewise.
10460         * real.h: Likewise.
10461         * rtl.h: Likewise.
10462         * stringpool.c: Likewise.
10463         * tree-data-ref.c: Likewise.
10464         * tree-flow.h: Likewise.
10465         * tree-scalar-evolution.c: Likewise.
10466         * tree-ssa-address.c: Likewise.
10467         * tree-ssa-alias.h: Likewise.
10468         * tree-ssa-operands.h: Likewise.
10469         * tree.c: Likewise.
10470         * tree.h: Likewise.
10471         * varasm.c: Likewise.
10472         * varray.h: Likewise.
10473         * vec.h: Likewise.
10474         * coretypes.h: Do not define GTY macro if it is already defined.
10475         * doc/gty.texi: Update GTY documentation to new syntax.
10476         * gengtype-lex.l: Enforce attribute-like syntax for GTY
10477         annotations on structs.
10478         * gengtype-parse.c: Likewise.
10479
10480 2009-04-22  Mark Heffernan  <meheff@google.com>
10481
10482         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
10483
10484 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
10485
10486         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
10487         where appropriate.
10488
10489 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
10490
10491         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
10492         the same as a PLUS without a shift.  Increase the cost of a
10493         CONST_INT in MULT.
10494
10495 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10496
10497         * Makefile.in: Update dependencies.
10498         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
10499         * errors.h: Remove bogus comment about compatibility.
10500         (warning): Update declaration.
10501         * genautomata.c: Update all calls to warning.
10502         * gimple.c: Do not include errors.h. Include toplev.h.
10503         * tree-ssa-structalias.c: Do not include errors.h.
10504         * omega.c: Likewise.
10505         * tree-ssa-reassoc.c: Likewise.
10506         * config/spu/spu-c.c: Likewise.
10507         * config/spu/t-spu-elf: Update dependencies.
10508
10509 2009-04-22  Richard Guenther  <rguenther@suse.de>
10510
10511         PR tree-optimization/39824
10512         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
10513         make sure the types are compatible.
10514
10515 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10516
10517         PR c++/14875
10518         * c-common.c (c_parse_error): Take a token_flags parameter.
10519         Use token_type for the token type instead.
10520         Pass token_flags to cpp_type2name.
10521         * c-common.h (c_parse_error): Update declaration.
10522         * c-parser.c (c_parser_error): Pass 0 as token flags.
10523
10524 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
10525
10526         PR rtl-optimization/39580
10527         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
10528         
10529 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10530
10531         * function.c (expand_function_end): Do not emit a jump to the "naked"
10532         return label for fall-through returns.
10533         * except.c (sjlj_emit_function_exit): Always place the call to the
10534         unregister function at the location installed by expand_function_end.
10535
10536 2009-04-22  Richard Guenther  <rguenther@suse.de>
10537
10538         PR tree-optimization/39845
10539         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
10540         (gen_inbound_check): Likewise.
10541
10542 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
10543
10544         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
10545         padding for PPC.
10546         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
10547         * config/vxlib.c (__gthread_once): Add race guard for PPC.
10548
10549 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
10550
10551         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
10552         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
10553         shift counts to avoid out-of-bounds array accesses.
10554
10555 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
10556
10557         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
10558         (Pmode): Move above.
10559
10560 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
10561
10562         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
10563         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
10564         GET_CODE macro.  Use IN_RANGE macro where appropriate.
10565         * config/alpha/alpha.h: Ditto.
10566         * config/alpha/alpha.md: Ditto.
10567         * config/alpha/constraints.md: Ditto.
10568         * config/alpha/predicates.md: Ditto.
10569         
10570 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
10571
10572         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
10573         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
10574         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
10575         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
10576         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
10577         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
10578         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
10579         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
10580         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
10581         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
10582         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
10583         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
10584         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
10585         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
10586         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
10587         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
10588         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
10589         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
10590         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
10591         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
10592         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
10593         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
10594         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
10595         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
10596         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
10597         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
10598         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
10599
10600 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
10601
10602         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
10603         references from comments.
10604         * cfgbuild.c: (count_basic_blocks): Delete.
10605         (find_basic_blocks_1): Delete.
10606         (find_basic_blocks): Delete.
10607         * except.c (finish_eh_generation): Make static.  Move comment from
10608         except.h here.  Remove find_basic_blocks references from comments.
10609         * except.h (finish_eh_generation): Delete.
10610         * basic-block.h (find_basic_blocks): Delete.
10611         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
10612
10613 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
10614
10615         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
10616         (sdbout_parms):  Likewise.
10617
10618 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
10619
10620         * config/sh/sh.c (prepare_cbranch_operands): Use
10621         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
10622         (expand_cbranchdi4): Likewise.
10623         (from_compare): Add cast to enum type.
10624         (expand_cbranchsi4): Use add_reg_note.
10625         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
10626         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
10627         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
10628         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
10629         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
10630         instead of CODE_FOR_nothing.
10631         (cbranchdi4): Likewise.  Fix the order of arguments for
10632         gen_rtx_fmt_ee.
10633         (push_fpscr): Use add_reg_note.
10634         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
10635         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
10636         
10637 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
10638
10639         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
10640         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
10641         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
10642         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
10643         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
10644         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
10645         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
10646         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
10647         config/alpha/x-vms, config/arc/t-arc,
10648         config/arm/README-interworking, config/arm/arm-c.c,
10649         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
10650         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
10651         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
10652         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
10653         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
10654         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
10655         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
10656         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
10657         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
10658         config/cris/t-elfmulti, config/crx/t-crx,
10659         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
10660         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
10661         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
10662         config/h8300/t-h8300, config/i386/athlon.md,
10663         config/i386/darwin-libgcc.10.4.ver,
10664         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
10665         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
10666         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
10667         config/i386/t-linux64, config/i386/t-nwld,
10668         config/i386/t-rtems-i386, config/i386/t-sol2-10,
10669         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
10670         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
10671         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
10672         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
10673         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
10674         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
10675         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
10676         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
10677         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
10678         config/m68k/t-uclinux, config/mcore/t-mcore,
10679         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
10680         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
10681         config/mips/crtn.asm, config/mips/irix-crti.asm,
10682         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
10683         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
10684         config/mips/mips-fixed.md, config/mips/sb1.md,
10685         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
10686         config/mips/t-iris6, config/mips/t-isa3264,
10687         config/mips/t-libgcc-mips16, config/mips/t-linux64,
10688         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
10689         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
10690         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
10691         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
10692         config/mn10300/t-linux, config/mn10300/t-mn10300,
10693         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
10694         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
10695         config/picochip/libgccExtras/clzsi2.asm,
10696         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
10697         config/rs6000/darwin-libgcc.10.4.ver,
10698         config/rs6000/darwin-libgcc.10.5.ver,
10699         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
10700         config/rs6000/t-aix43, config/rs6000/t-aix52,
10701         config/rs6000/t-darwin, config/rs6000/t-fprules,
10702         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
10703         config/rs6000/t-lynx, config/rs6000/t-netbsd,
10704         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
10705         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
10706         config/rs6000/t-rtems, config/rs6000/t-spe,
10707         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
10708         config/score/t-score-elf, config/sh/divcost-analysis,
10709         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
10710         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
10711         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
10712         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
10713         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
10714         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
10715         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
10716         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
10717         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
10718         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
10719         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
10720         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
10721         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
10722         limitx.h, version.c, xcoff.h: Add copyright and license notices.
10723         * config/h8300/genmova.sh: Include copyright and license notices
10724         in generated output.
10725         * config/h8300/mova.md: Regenerate.
10726         * doc/install.texi2html: Include word "Copyright" in copyright
10727         notice and use name "Free Software Foundation, Inc.".
10728         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
10729         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
10730         ChangeLog-2007, ChangeLog-2008: Correct dates.
10731
10732 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
10733
10734         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
10735         NE_EXPR operations as well.
10736         * c-parser.c (c_parser_condition): Do not set location information on
10737         the condition.
10738         (c_parser_conditional_expression): Likewise.
10739         (c_parser_binary_expression): Set location information on operators.
10740         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
10741         TRUTH_NOT_EXPR has been folded.
10742         * fold-const.c (fold_truth_not_expr): Copy location information from
10743         the incoming expression to the outgoing one.
10744         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
10745         recursive calls on the LHS of the operator but pass that of the
10746         operator to recursive calls on the RHS of the operator.  Set it
10747         on the COND_EXPR.
10748         (shortcut_cond_expr): Set the locus of the operator on the second
10749         COND_EXPR and that of the expression on the first in degenerate cases.
10750         Pass the locus of the expression to calls to shortcut_cond_r.
10751         Set the locus of the 'then' block on the associated jump, if any.
10752         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
10753         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
10754         expression to call to gimplify_boolean_expr.
10755
10756 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
10757
10758         * config.gcc: Add additional configuration for
10759         i686-w64-mingw* and x86_64-w64-mingw* triplet.
10760         * config/i386/mingw-w64.h: New mingw-w64 specific header.
10761         (CPP_SPEC): Redefine for allowing -municode option.
10762         (STARTFILE_SPEC): Likewise.
10763         * config/i386/t-mingw-w64: New.
10764         * config/i386/mingw-w64.opt: New.
10765         (municode): Add new target option.
10766         * doc/invoke.texi (municode): Add documentation for new option.
10767
10768 2009-04-21  Ian Lance Taylor  <iant@google.com>
10769
10770         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
10771         Correct test for number of arguments.
10772         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
10773
10774 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
10775
10776         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
10777         argument of emit_library_call.
10778
10779 2009-04-21  Richard Guenther  <rguenther@suse.de>
10780
10781         PR middle-end/39829
10782         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
10783         inside VIEW_CONVERT_EXPRs.
10784
10785 2009-04-21  Martin Jambor  <mjambor@suse.cz>
10786
10787         * tree-switch-conversion.c (build_constructors): Split a long line.
10788         (constructor_contains_same_values_p): New function.
10789         (build_one_array): Create assigns of constants if possible, do not
10790         call mark_sym_for_renaming, call update_stmt.
10791         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
10792         make_rename_temp.  Do not call mark_symbols_for_renaming, call
10793         update_stmt.
10794         (gen_def_assigns): Do not call mark_symbols_for_renaming or
10795         find_new_referenced_vars, call update_stmt.
10796         (gen_inbound_check): Use create_tmp_var and create ssa names manually
10797         instead of calling make_rename_temp.  Do not call
10798         find_new_referenced_vars or mark_symbols_for_renaming, call
10799         update_stmt.
10800
10801 2009-04-21  Richard Guenther  <rguenther@suse.de>
10802
10803         PR tree-optimization/39827
10804         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
10805         (tree_ssa_phiprop): Pass the correct array size.
10806
10807 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
10808
10809         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
10810
10811 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10812
10813         PR 16202
10814         * c-typeck.c (lvalue_p): Move declaration ...
10815         * c-common.h (lvalue_p): ... to here.
10816         * c-common.c (candidate_equal_p): New.
10817         (add_tlist): Use it.
10818         (merge_tlist): Use it.
10819         (warn_for_collisions_1): Likewise.
10820         (warning_candidate_p): Accept more candidates.
10821         (verify_tree): A warning candidate can be an expression. Use
10822         candidate_equal_p.
10823
10824 2009-04-21  Ben Elliston  <bje@au.ibm.com>
10825
10826         PR target/5267
10827         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
10828         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
10829         options.  Remove -mcall-solaris documentation.
10830
10831 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10832
10833         PR c++/13358
10834         * doc/invoke.texi (-Wlong-long): Update description.
10835         * c-lex (interpret_integer): Only warn if there was no previous
10836         overflow and -Wlong-long is enabled.
10837         * c-decl.c (declspecs_add_type): Drop redundant flags.
10838         * c.opt (Wlong-long): Init to -1.
10839         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
10840         and front-end warn_long_long. Wlong-long only depends on other
10841         flags if it is uninitialized.
10842         * c-parser.c (disable_extension_diagnostics): warn_long_long is
10843         the same for CPP and FE.
10844         (restore_extension_diagnostics): Likewise.
10845
10846 2009-04-20  Ian Lance Taylor  <iant@google.com>
10847
10848         Fix enum conversions which are invalid in C++:
10849         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
10850         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
10851         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
10852         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
10853         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
10854         (dbxout_parms): Likewise.
10855         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
10856         (df_clear_flags): Likewise.
10857         * df-problems.c (df_rd_bb_local_compute_process_def): Change
10858         top_flag parameter to int.
10859         (df_chain_create_bb_process_use): Likewise.
10860         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
10861         Remove cast.
10862         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
10863         (df_ref_create_structure, df_def_record_1): Likewise.
10864         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
10865         (df_notes_rescan): Change 0 to VOIDmode in function call.
10866         (df_get_call_refs, df_insn_refs_collect): Likewise.
10867         (df_bb_regs_collect): Likewise.
10868         (df_entry_block_defs_collect): Likewise.
10869         (df_exit_block_uses_collect): Likewise.
10870         * df.h: Update declarations.
10871         * double-int.c (double_int_divmod): Add cast to enum type.
10872         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
10873         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
10874         (based_loc_descr): Likewise.
10875         (loc_descriptor_from_tree_1): Change first_op and second_op to
10876         enum dwarf_location_atom.  Add cast to enum type.
10877         * expmed.c (init_expmed): Change 0 to SET in function call.
10878         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
10879         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
10880         (do_store_flag): Likewise.
10881         * fixed-value.h (struct fixed_value): Change mode to enum
10882         machine_mode.
10883         * function.c (assign_parms): Change 0 to VOIDmode in function call.
10884         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
10885         function call.
10886         (insert_insn_decl, insert_decl, insert_state): Likewise.
10887         (automata_list_finish): Likewise.
10888         * genrecog.c (process_define_predicate): Add cast to enum type.
10889         * gensupport.c (init_predicate_table): Add cast to enum type.
10890         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
10891         function call.
10892         (gimple_build_call_1, gimple_build_label): Likewise.
10893         (gimple_build_goto, gimple_build_asm_1): Likewise.
10894         (gimple_build_switch_1, gimple_build_cdt): Likewise.
10895         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
10896         (enum fallback): Rename from enum fallback_t.
10897         (fallback_t): Typedef as int.
10898         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
10899         GSI_SAME_STMT in function call.
10900         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
10901         enum type.
10902         (setup_reg_class_relations): Likewise.
10903         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
10904         (setup_prohibited_class_mode_regs): Add cast to enum type.
10905         (setup_prohibited_mode_move_regs): Likewise.
10906         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
10907         (record_address_regs): Change i to enum reg_class.
10908         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
10909         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
10910         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
10911         (GET_MODE_2XWIDER_MODE): Likewise.
10912         (GET_CLASS_NARROWEST_MODE): Likewise.
10913         * omp-low.c (expand_omp_for): Add cast to enum type.
10914         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
10915         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
10916         * postreload.c (reload_cse_simplify_operands): Change rclass local
10917         to enum reg_class.
10918         * predict.c (combine_predictions_for_insn): Change best_predictor
10919         and predictor to enum br_predictor.
10920         (combine_predictions_for_bb): Likewise.
10921         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
10922         use SET_PREDICT_EXPR_OUTCOME.
10923         * real.c (real_arithmetic): Change icode to code in function call.
10924         * reginfo.c (init_move_cost): Add casts to enum type.
10925         (init_reg_sets_1, init_fake_stack_mems): Likewise.
10926         * regmove.c (regclass_compatible_p): Change class0 and class1 to
10927         enum reg_class.
10928         * reload.c (find_valid_class): Add casts to enum type.
10929         (push_reload): Change 0 to NO_REGS in function call.
10930         (find_reloads): Change this_alternative to array of enum
10931         reg_class.  Remove some now-unnecessary casts.
10932         (make_memloc): Change 0 to VOIDmode in function call.
10933         * reload1.c (reload): Change 0 to VOIDmode in function call.
10934         (eliminate_regs_1, elimination_effects): Likewise.
10935         (eliminate_regs_in_insn): Likewise.
10936         (emit_input_reload_insns): Add cast to enum type.
10937         (delete_output_reload): Change 0 to VOIDmode in function call.
10938         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
10939         to enum type in function call.
10940         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
10941         (SET_PREDICT_EXPR_OUTCOME): Define.
10942         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
10943         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
10944         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
10945         (dump_function): Likewise.
10946         * tree-dump.h: Update declarations.
10947         * tree-pass.h: Update declarations.
10948         * varasm.c (assemble_integer): Change mclass to enum mode_class.
10949         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
10950         enum type.
10951         (arm_rtx_costs_1): Correct parenthesization.
10952         (arm_rtx_costs): Add casts to enum type.
10953         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
10954         (vfp_emit_fstmd): Use add_rg_note.
10955         (emit_multi_reg_push, emit_sfm): Likewise.
10956         (thumb_set_frame_pointer): Likewise.
10957         (arm_expand_prologue): Likewise.
10958         (arm_regno_class): Change return type to enum reg_class.
10959         (thumb1_expand_prologue): Use add_reg_note.
10960         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
10961         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
10962         in function call.
10963         * config/arm/gentune.sh: Add cast to enum type.
10964         * config/arm/arm-tune.md: Rebuild.
10965         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
10966         (ix86_split_fp_branch, predict_jump): Likewise.
10967         (ix86_expand_multi_arg_builtin): Change sub_code from enum
10968         insn_code to enum rtx_code.
10969         (ix86_builtin_vectorized_function): Add cast to enum type.
10970         * config/i386/i386.md (truncdfsf2): Change slot to enum
10971         ix86_stack_slot.
10972         (truncxf<mode>2, isinf<mode>2): Likewise.
10973         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
10974         enum type.
10975         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
10976         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
10977         (insert_bundle_state): Change 1 to INSERT in function call.
10978         (ia64_add_bundle_selector_before): Likewise.
10979         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
10980         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
10981         (restore_stack_nonlocal): Likewise.
10982         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
10983         function call.
10984         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
10985         function call.
10986         (mips_rtx_costs): Likewise.
10987         (mips_override_options): Add casts to enum type.
10988         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
10989         in function call.
10990         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
10991         (store_reg, set_reg_plus_d): Likewise.
10992         (hppa_expand_prologue, hppa_profile_hook): Likewise.
10993         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
10994         cast to enum type.
10995         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
10996         function call.
10997         (emit_unlikely_jump): Use add_reg_note.
10998         (rs6000_emit_allocate_stack): Likewise.
10999         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
11000         (output_toc): Change 1 to INSERT in function call.
11001         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
11002         (rs6000_initialize_trampoline): Likewise.
11003         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
11004         function call.
11005         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
11006         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
11007         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
11008         (save_gprs): Use add_reg_note.
11009         (s390_emit_prologue): Likewise.
11010         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
11011         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
11012         (sparc_fold_builtin): Add cast to enum type.
11013         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
11014         enum insn_code.
11015         (spu_expand_prologue): Use add_reg_note.
11016         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
11017
11018 2009-04-20  Ian Lance Taylor  <iant@google.com>
11019
11020         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
11021         (c_parser_postfix_expression_after_primary): Get VEC for list of
11022         arguments.  Get original types of arguments.  Call
11023         build_function_call_vec.
11024         (cached_expr_list_1, cached_expr_list_2): New static variables.
11025         (c_parser_expr_list): Change return type to VEC *.  Add
11026         p_orig_types parameter.  Change all callers.
11027         (c_parser_release_expr): New static function.
11028         (c_parser_vec_to_tree_list): New static function.
11029         * c-typeck.c (build_function_call): Rewrite to build a VEC and
11030         call build_function_call_vec.
11031         (build_function_call_vec): New function, based on old
11032         build_function_call.
11033         (convert_arguments): Remove nargs and argarray parameters.  Change
11034         values to a VEC.  Add origtypes parameter.
11035         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
11036         (convert_for_assignment): Add origtype parameter.  Change all
11037         callers.  If warn_cxx_compat, check for conversion to an enum
11038         type when calling a function.
11039         (store_init_value): Add origtype parameter.  Change all callers.
11040         (digest_init): Likewise.
11041         (struct init_node): Add origtype field.
11042         (add_pending_init): Add origtype parameter.  Change all callers.
11043         (output_init_element): Likewise.
11044         (output_pending_init_elements): Pass origtype from init_node to
11045         output_init_element.
11046         (process_init_element): Pass origtype from c_expr to
11047         output_init_element.
11048         (c_finish_return): Add origtype parameter.  Change all callers.
11049         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
11050         caller.
11051         (sync_resolve_params): Likewise.
11052         (sync_resolve_return): Change params to first_param.  Change caller.
11053         (resolve_overloaded_builtins): Change params to VEC *.  Change
11054         callers.  Save first parameter around call to build_function_call_vec.
11055         * c-decl.c (finish_decl): Add origtype parameter.  Change all
11056         callers.  Call build_function_call_vec rather than
11057         build_function_call for cleanup.
11058         * c-tree.h: Update declarations.
11059         * c-common.h: Update declarations.
11060         * stub-objc.c (objc_rewrite_function_call): Change parameter from
11061         params to first_param.
11062         * target.h (struct gcc_target): Change resolve_overloaded_builtin
11063         params parameter from tree to void *.
11064         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
11065         Change arglist parameter to have type void *, and to be a pointer
11066         to a VEC.
11067         * config/rs6000/rs6000-protos.h
11068         (altivec_resolve_overloaded_builtin): Update declaration.
11069         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
11070         fnargs parameter to have type void *, and to be a pointer to a
11071         VEC.  Call build_function_call_vec instead of
11072         build_function_call.
11073         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
11074
11075 2009-04-20  Joey Ye  <joey.ye@intel.com>
11076             Xuepeng Guo  <xuepeng.guo@intel.com>
11077             H.J. Lu  <hongjiu.lu@intel.com>
11078
11079         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
11080
11081         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
11082         (IX86_LEA_PRIORITY): Likewise.
11083         (distance_non_agu_define): New function.
11084         (distance_agu_use): Likewise.
11085         (ix86_lea_for_add_ok): Likewise.
11086         (ix86_dep_by_shift_count): Likewise.
11087
11088         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
11089         should split for LEA.
11090
11091         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
11092         function.
11093         (ix86_dep_by_shift_count): Likewise.
11094
11095 2009-04-20  Richard Guenther  <rguenther@suse.de>
11096
11097         * expr.c (handled_component_p): Move ...
11098         * tree.h (handled_component_p): ... here.
11099         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
11100         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
11101         and REALPART_EXPR to be in one group.
11102
11103 2009-04-20  Richard Guenther  <rguenther@suse.de>
11104
11105         * basic-block.h (get_all_dominated_blocks): Declare.
11106         * dominance.c (get_all_dominated_blocks): New function.
11107         * tree-cfg.c (get_all_dominated_blocks): Remove.
11108         (remove_edge_and_dominated_blocks): Adjust.
11109         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
11110         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
11111         instead of recursing.
11112
11113 2009-04-20  Doug Kwan  <dougkwan@google.com>
11114
11115         * cgraph.h (cgraph_node_ptr): New type for vector functions.
11116         (struct cgraph_node_set_def): New type.
11117         (cgraph_node_set) New type. Also declare vector functions.
11118         (struct cgraph_node_set_element_def): New type.
11119         (cgraph_node_set_element): Ditto.
11120         (cgraph_node_set_iterator): New iterator type.
11121         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
11122         cgraph_node_set_remove, dump_cgraph_node_set,
11123         debug_cgraph_node_set): New prototypes.
11124         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
11125         cgraph_node_set_size): New inlines.
11126         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
11127         including cgraph.h.
11128         (struct ipa_opt_pass): Add struct cgraph_node_set_def
11129         argument to function 'write_summary'.
11130         * ipa.c: Include ggc.h.
11131         (hash_cgraph_node_set_element,
11132         eq_cgraph_node_set_element, cgraph_node_set_new,
11133         cgraph_node_set_add, cgraph_node_set_remove,
11134         cgraph_node_set_find, dump_cgraph_node_set,
11135         debug_cgraph_node_set): New functions.
11136         * Makefile.in (ipa.o): Add dependency on GGC_H.
11137
11138 2009-04-20  Ira Rosen  <irar@il.ibm.com>
11139
11140         PR tree-optimization/39675
11141         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
11142         check of the return code of vect_schedule_slp. Check that
11143         stmt_vec_info still exists for the statement, before checking its
11144         vectorization type.
11145
11146 2009-04-20  Michael Matz  <matz@suse.de>
11147
11148         * Makefile.in (generated_files): Take out $(simple_generated_c).
11149
11150 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
11151
11152         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
11153         (UINTPTR_TYPE):  Likewise.
11154
11155 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
11156
11157         PR c/37481
11158         * c-typeck.c (digest_init): Check for initializing an array with a
11159         string literal.
11160
11161 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
11162
11163         PR c/19771
11164         * c-semantics.c (pop_stmt_list): Propagate
11165         STATEMENT_LIST_HAS_LABEL to parent statement list.
11166
11167 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
11168
11169         * config/mips/mips.h (mips_tune_attr): New macro.
11170         * config/mips/mips.md (cpu): Use it.
11171
11172 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
11173
11174         PR c/38243
11175         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
11176         declaring a tag.
11177
11178 2009-04-19  Diego Novillo  <dnovillo@google.com>
11179
11180         * toplev.c (compile_file): Move call to coverage_finish ...
11181         * cgraphunit.c (ipa_passes): ... here.
11182         Call cgraph_process_new_functions.
11183         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
11184         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
11185
11186 2009-04-19  Jan Hubicka  <jh@suse.cz>
11187
11188         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
11189         cfun.
11190         (dump_cgraph_node): Dump can throw external flag.
11191         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
11192
11193 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
11194
11195         PR c/32061
11196         PR c++/36954
11197         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
11198         * common.opt (Wlogical-op): Move from here...
11199         * c.opt (Wlogical-op): ... to here.
11200         * c-typeck.c (parser_build_binary_op): Update call to
11201         warn_logical_operator.
11202         * c-opts.c (c_common_post_options): Enable warn_logical_op with
11203         extra_warnings.
11204         * c-common.c (warn_logical_op): Update.
11205         * c-common.h (warn_logical_op): Update declaration.
11206
11207 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
11208
11209         * tree.c (protected_set_expr_location): Fix formatting.
11210
11211 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
11212
11213         PR c/27676
11214         * c-typeck.c (readonly_warning): new.
11215         (build_unary_op, build_modify_expr): Use readonly_warning for
11216         storing into something readonly but not const-qualified.
11217
11218 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
11219
11220         PR c/22367
11221         * c-typeck.c (build_unary_op): Check for taking address of
11222         expression of type void.
11223
11224 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
11225
11226         PR c/35210
11227         * c-typeck.c (build_function_call): Check for calling a function
11228         with qualified void return types.  Call require_complete_type when
11229         generating a trap.
11230
11231 2009-04-18  Jan Hubicka  <jh@suse.cz>
11232
11233         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
11234         Set nothrow flag.
11235         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
11236         can_throw_external flag.
11237         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
11238         * ipa-pure-const.c (ignore_edge): New function.
11239         (propagate): Compute order for NOTHROW computation; set NOTHROWs
11240         only over can_throw_external edges.
11241         (local_pure_const): Add nothrow flag.
11242         * ipa-utils.c (searchc): Add ignore_edge callback.
11243         (ipa_utils_reduced_inorder): Add ignore_edge callback.
11244         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
11245         (set_nothrow_function_flags): Update cgraph.
11246         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
11247
11248 2009-04-18  Richard Guenther  <rguenther@suse.de>
11249
11250         PR middle-end/39804
11251         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
11252         (fold_stmt): ... this and ...
11253         (fold_stmt_inplace): ... this.
11254         (fold_stmt_1): Fold references in calls and asms.
11255         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
11256
11257 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
11258
11259         * tree-vrp.c (ssa_name_nonzero_p): Remove.
11260         * tree.h: Remove the prototype for ssa_name_nonzero_p.
11261
11262 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
11263
11264         * tree.c (function_args_count): Remove.
11265         * tree.h: Remove the prototype for function_args_count.
11266
11267 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
11268
11269         * tree-iterator.c (expr_only): Remove.
11270         * tree.h: Remove the prototype for expr_only.
11271
11272 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
11273
11274         * reginfo.c (cannot_change_mode_set_regs): Remove.
11275         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
11276
11277 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
11278
11279         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
11280         whether operands 0 and 1 overlaps.
11281
11282 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
11283
11284         PR middle-end/36902
11285         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
11286         pointer. Use warning_at instead of warning.
11287         (search_for_addr_array): Likewise.
11288         (check_array_bounds): Likewise.
11289         (check_all_array_refs): Check that the incoming edge is not in the
11290         list of edges to be removed.
11291         (check_all_array_refs): Avoid the temporal pointer.
11292         (vrp_visit_cond_stmt): Fix typo.
11293         (simplify_switch_using_ranges): Handle the case where the switch
11294         index is an integer constant.
11295
11296 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
11297
11298         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
11299
11300 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
11301
11302         * doc/extend.texi, doc/invoke.texi: Fix typos.
11303
11304 2009-04-17  Cary Coutant  <ccoutant@google.com>
11305
11306         * tree-flow-inline.h (get_lineno): Fix inverted test.
11307
11308 2009-04-17  Diego Novillo  <dnovillo@google.com>
11309
11310         * tree-ssa-pre.c (create_expression_by_pieces): Remove
11311         assertion for AVAIL_OUT.
11312
11313 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
11314
11315         PR target/38627
11316         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
11317         * config/sh/linux-atomic.asm: Likewise.
11318
11319 2009-04-17  Diego Novillo  <dnovillo@google.com>
11320
11321         * except.c (debug_eh_tree): New.
11322         (struct eh_region, struct eh_status): Move ...
11323         * except.h: ... here.
11324         (add_type_for_runtime): Declare extern.
11325         (lookup_type_for_runtime): Likewise.
11326         (debug_eh_tree): Declare.
11327         * Makefile.in (GTFILES): List except.h before except.c
11328
11329 2009-04-17  Diego Novillo  <dnovillo@google.com>
11330
11331         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
11332         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
11333         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
11334         (find_vars_r): ... here.
11335         * tree-flow.h (find_referenced_vars_in): Declare.
11336         * tree-ssa-pre.c (create_expression_by_pieces): Assert
11337         that AVAIL_OUT exists for BLOCK.
11338         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
11339         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
11340         (tree-parloops.o): Likewise.
11341
11342 2009-04-17  Simon Baldwin  <simonb@google.com>
11343
11344         * toplev.c (default_tree_printer): Add handling for %E format.
11345
11346 2009-04-17  Diego Novillo  <dnovillo@google.com>
11347
11348         * tree-pretty-print.c (dump_generic_node): Add break after
11349         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
11350         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
11351         FUNCTION_TYPE together.  Call print_struct_decl when printing
11352         structures and TDF_SLIM is not given.
11353         (print_struct_decl): Fix logic for detecting recursion.
11354
11355 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
11356
11357         PR 31567
11358         * gcc.c (create_at_file): New.
11359         (compile_input_file_p): New.
11360         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
11361         * main.c (main): Update call to toplev_main.
11362         * toplev.c (toplev_main): Change signature. Call expandargv.
11363         * toplev.h (toplev_main): Change signature.
11364
11365 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
11366
11367         * dwarf2out.c (field_byte_offset): Use the type size as the field size
11368         if the latter is not constant.
11369
11370 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
11371
11372         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
11373
11374 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
11375
11376         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
11377         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
11378
11379 2009-04-17  Richard Guenther  <rguenther@suse.de>
11380
11381         * tree-ssa-structalias.c (get_constraint_for_component_ref):
11382         Handle component references view-converting an invariant address.
11383
11384 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
11385
11386         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
11387         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
11388         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
11389         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
11390         Use @deftypevr rather than @deftypevar.
11391
11392 2009-04-17  Richard Guenther  <rguenther@suse.de>
11393
11394         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
11395         (get_prop_source_stmt): Likewise.
11396         (can_propagate_from): Likewise.
11397
11398 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
11399
11400         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
11401         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
11402         (--with-multilib-list): Add default value.
11403         * configure: Regenerate.
11404         * Makefile.in (TM_ENDIAN_CONFIG): Define.
11405         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
11406         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
11407         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
11408         Don't add default cpu to multilib list unnecessarily, but do enable
11409         the relevant compiler option..
11410         Add support for --with-multilib-list=<blank> and
11411         --with-multilib-list=!<somelib> to supress unwanted multilibs.
11412         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
11413         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
11414         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
11415         TM_MULTILIB_CONFIG.
11416         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
11417         (MULTILIB_OSDIRNAMES): New variable.
11418         * config/sh/t-1e: Delete file.
11419         * config/sh/t-mlib-sh1: Delete file.
11420         * config/sh/t-mlib-sh2: Delete file.
11421         * config/sh/t-mlib-sh2a: Delete file.
11422         * config/sh/t-mlib-sh2a-nofpu: Delete file.
11423         * config/sh/t-mlib-sh2a-single: Delete file.
11424         * config/sh/t-mlib-sh2a-single-only: Delete file.
11425         * config/sh/t-mlib-sh2e: Delete file.
11426         * config/sh/t-mlib-sh3e: Delete file.
11427         * config/sh/t-mlib-sh4: Delete file.
11428         * config/sh/t-mlib-sh4-nofpu: Delete file.
11429         * config/sh/t-mlib-sh4-single: Delete file.
11430         * config/sh/t-mlib-sh4-single-only: Delete file.
11431         * config/sh/t-mlib-sh4a: Delete file.
11432         * config/sh/t-mlib-sh4a-nofpu: Delete file.
11433         * config/sh/t-mlib-sh4a-single: Delete file.
11434         * config/sh/t-mlib-sh4a-single-only: Delete file.
11435         * config/sh/t-mlib-sh4al: Delete file.
11436         * config/sh/t-mlib-sh5-32media: Delete file.
11437         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
11438         * config/sh/t-mlib-sh5-64media: Delete file.
11439         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
11440         * config/sh/t-mlib-sh5-compact: Delete file.
11441         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
11442         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
11443         * doc/install.texi (Options specification): Add
11444         --with-multilib-list and --with-endian.
11445
11446 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
11447
11448         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
11449         REVISION_c.
11450         (OBJS-common): Add plugin-version.o.
11451         (plugin-version.o): New.
11452         * gcc-plugin.h (plugin_gcc_version): New.
11453         (plugin_default_version_check): New.
11454         (plugin_init_func, plugin_init): Add version argument.
11455         * plugin-version.c: New.
11456         * plugin.c (str_plugin_gcc_version_name): New.
11457         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
11458         pass it to the init function.
11459         (plugin_default_version_check): New.
11460
11461 2009-04-17  Richard Guenther  <rguenther@suse.de>
11462
11463         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
11464         for decl-vs-decl disambiguation.
11465
11466 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
11467
11468         * config/s390/s390.h (s390_tune_attr): New macro definition.
11469         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
11470
11471 2009-04-17  Richard Guenther  <rguenther@suse.de>
11472
11473         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
11474         (fold_stmt_r): Likewise.
11475         (maybe_fold_reference): New function.
11476         (fold_gimple_assign): Handle cases fold_stmt_r did.
11477         (fold_stmt): Do not use fold_stmt_r.
11478         (fold_stmt_inplace): Likewise.
11479
11480 2009-04-17  Richard Guenther  <rguenther@suse.de>
11481
11482         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
11483         (record_equivalences_from_stmt): Remove useless checks and
11484         simplifications.
11485         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
11486         the type is already suitable.
11487
11488 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
11489
11490         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
11491
11492 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
11493
11494         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
11495         (CMPtype): Define as __gcc_CMPtype.
11496
11497 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
11498
11499         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
11500         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
11501
11502 2009-04-17  Richard Guenther  <rguenther@suse.de>
11503
11504         PR tree-optimization/39746
11505         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
11506         special-casing for builtins and static variable use/def.
11507         (call_may_clobber_ref_p_1): Likewise.
11508
11509 2009-04-16  Ian Lance Taylor  <iant@google.com>
11510
11511         * df.h: Include "timevar.h".
11512         (struct df_problem): Change tv_id field to timevar_id_t.
11513         * tree-pass.h: Include "timevar.h".
11514         (struct opt_pass): Change tv_id field to timevar_id_t.
11515         * timevar.h (timevar_id_t): Define TV_NONE.
11516         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
11517         TV_NONE rather than tv_id != 0.
11518         (execute_one_pass): Likewise.
11519         * Makefile.in (DF_H): Add $(TIMEVAR_H).
11520         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
11521         dependencies to $(TREE_PASS_H).
11522         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
11523         to TV_NONE.
11524         (pass_branch_target_load_optimize2): Likewise.
11525         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
11526         (pass_outof_cfg_layout_mode): Likewise.
11527         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
11528         (pass_rebuild_cgraph_edges): Likewise.
11529         (pass_remove_cgraph_callee_edges): Likewise.
11530         * df-core.c (pass_df_initialize_opt): Likewise.
11531         (pass_df_initialize_no_opt): Likewise.
11532         (pass_df_finish): Likewise.
11533         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
11534         * except.c (pass_set_nothrow_function_flags): Likewise.
11535         (pass_convert_to_eh_region_ranges): Likewise.
11536         * final.c (pass_compute_alignments): Likewise.
11537         * function.c (pass_instantiate_virtual_regs): Likewise.
11538         (pass_init_function): Likewise.
11539         (pass_leaf_regs): Likewise.
11540         (pass_match_asm_constraints): Likewise.
11541         * gimple-low.c (pass_lower_cf): Likewise.
11542         (pass_mark_used_blocks): Likewise.
11543         * init-regs.c (pass_initialize_regs): Likewise.
11544         * integrate.c (pass_initial_value_sets): Likewise.
11545         * ira.c (pass_ira): Likewise.
11546         * jump.c (pass_cleanup_barriers): Likewise.
11547         * omp-low.c (pass_expand_omp): Likewise.
11548         (pass_lower_omp): Likewise.
11549         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
11550         * recog.c (pass_split_all_insns): Likewise.
11551         (pass_split_after_reload): Likewise.
11552         (pass_split_before_regstack): Likewise.
11553         (pass_split_before_sched2): Likewise.
11554         (pass_split_for_shorten_branches): Likewise.
11555         * reginfo.c (pass_reginfo_init): Likewise.
11556         (pass_subregs_of_mode_init): Likewise.
11557         (pass_subregs_of_mode_finish): Likewise.
11558         * passes.c (pass_postreload): Likewise.
11559         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
11560         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
11561         (pass_warn_function_return): Likewise.
11562         (pass_warn_function_noreturn): Likewise.
11563         * tree-complex.c (pass_lower_complex): Likewise.
11564         (pass_lower_complex_O0): Likewise.
11565         * tree-if-conv.c (pass_if_conversion): Likewise.
11566         * tree-into-ssa.c (pass_build_ssa): Likewise.
11567         * tree-mudflap.c (pass_mudflap_1): Likewise.
11568         (pass_mudflap_2): Likewise.
11569         * tree-nomudflap.c (pass_mudflap_1): Likewise.
11570         (pass_mudflap_2): Likewise.
11571         * tree-nrv.c (pass_return_slot): Likewise.
11572         * tree-object-size.c (pass_object_sizes): Likewise.
11573         * tree-optimize.c (pass_all_optimizations): Likewise.
11574         (pass_early_local_passes): Likewise.
11575         (pass_all_early_optimizations): Likewise.
11576         (pass_cleanup_cfg): Likewise.
11577         (pass_cleanup_cfg_post_optimizing): Likewise.
11578         (pass_free_datastructures): Likewise.
11579         (pass_free_cfg_annotations): Likewise.
11580         (pass_fixup_cfg): Likewise.
11581         (pass_init_datastructures): Likewise.
11582         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
11583         (pass_late_warn_uninitialized): Likewise.
11584         (pass_update_address_taken): Likewise.
11585         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
11586         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
11587         (pass_cse_sincos): Likewise.
11588         (pass_convert_to_rsqrt): Likewise.
11589         * tree-ssa-structalias.c (pass_build_alias): Likewise.
11590         * tree-stdarg.c (pass_stdarg): Likewise.
11591         * tree-tailcall.c (pass_tail_recursion): Likewise.
11592         (pass_tail_calls): Likewise.
11593         * tree-vect-generic.c (pass_lower_vector): Likewise.
11594         (pass_lower_vector_ssa): Likewise.
11595         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
11596
11597 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
11598
11599         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
11600         XLR entry.
11601         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
11602         Handle -march=xlr.
11603         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
11604         logical and signext.
11605
11606 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
11607
11608         PR target/39767
11609         * config/sh/predicates.md (arith_operand): Check if the operand
11610         of TRUNCATE is a REG.
11611
11612 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
11613
11614         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
11615         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
11616
11617 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
11618
11619         * tree-iterator.c (tsi_split_statement_list_after,
11620         tsi_split_statement_list_before): Remove.
11621         * tree-iterator.h: Remove the prototypes for
11622         tsi_split_statement_list_after and tsi_split_statement_list_before.
11623
11624 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
11625
11626         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
11627         * tree-ssa-propagate.h: Remove the prototype for
11628         stmt_makes_single_load.
11629
11630 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
11631
11632         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
11633         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
11634
11635 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
11636
11637         * tree-iterator.c (EXPR_LAST_BODY): Remove.
11638
11639 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
11640
11641         * except.c (eh_region_outer_p): Remove.
11642         * except.h: Remove the prototype for eh_region_outer_p.
11643
11644 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
11645
11646         * function.c (current_function_assembler_name): Remove.
11647         * function.h: Remove the prototype for
11648         current_function_assembler_name.
11649
11650 2009-04-16  Ian Lance Taylor  <iant@google.com>
11651
11652         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
11653         (add_reg_note): Call alloc_reg_note.
11654         * rtl.h (alloc_reg_note): Declare.
11655         * combine.c (try_combine): Use alloc_reg_note.
11656         (recog_for_combine, move_deaths): Likewise.
11657         (distribute_notes): Use alloc_reg_note and add_reg_note.
11658         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
11659         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
11660         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
11661
11662 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
11663
11664         PR rtl-optimization/39762
11665         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
11666         ira_may_move_out_cost): Add comments about way of their usage.
11667         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
11668
11669         * ira-conflicts.c (process_regs_for_copy): Use function
11670         ira_get_register_move_cost instead of global
11671         ira_register_move_cost.
11672
11673         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
11674         color_pass, move_spill_restore, update_curr_costs): Ditto.
11675
11676         * ira-lives.c (process_single_reg_class_operands): Ditto.
11677
11678         * ira-emit.c (emit_move_list): Ditto.
11679
11680         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
11681         (record_reg_classes): Ditto.  Use functions
11682         ira_get_register_move_cost and ira_get_may_move_cost instead of
11683         global vars ira_register_move_cost, ira_may_move_out_cost and
11684         ira_may_move_in_cost.
11685         (record_address_regs): Don't call ira_init_register_move_cost.
11686         Use function ira_get_may_move_cost instead of global
11687         ira_may_move_in_cost.
11688         (process_bb_node_for_hard_reg_moves): Use function
11689         ira_get_register_move_cost instead of global ira_register_move_cost.
11690         (ira_costs): Don't call ira_init_register_move_cost.
11691
11692 2009-04-16  Richard Guenther  <rguenther@suse.de>
11693
11694         * tree-cfg.c (verify_gimple_assign_binary):
11695         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
11696         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
11697         (create_general_new_stmt): Note that this function is broken.
11698
11699 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
11700
11701         * common.opt (fhelp): Add Var(help_flag).
11702         * gcc-plugin.h (plugin_info): Add help.
11703         * plugin.c (plugin_name_args): Add help.
11704         (register_plugin_info): Set plugin->help.
11705         (print_help_one_plugin): New.
11706         (print_plugins_help): New.
11707         * plugin.h (print_plugins_help): New.
11708         * toplev.c (toplev_main): Call print_plugins_help if needed.
11709
11710 2009-04-16  Richard Guenther  <rguenther@suse.de>
11711
11712         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
11713         (gimple_ior_addresses_taken_1): New function.
11714         (gimple_ior_addresses_taken): Likewise.
11715         * gimple.h (struct gimple_statement_with_ops_base): Remove
11716         addresses_taken member.
11717         (gimple_ior_addresses_taken): Declare.
11718         (gimple_addresses_taken, gimple_addresses_taken_ptr,
11719         gimple_set_addresses_taken): Remove.
11720         * ipa-reference.c (mark_address): New function.
11721         (scan_stmt_for_static_refs): Use it for marking addresses taken.
11722         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
11723         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
11724         (gimple_add_to_addresses_taken): Remove.
11725         (get_tmr_operands): Call mark_address_taken.
11726         (get_asm_expr_operands): Likewise.
11727         (get_expr_operands): Likewise.
11728         (build_ssa_operands): Do not clear the addresses_taken bitmap.
11729         (free_stmt_operands): Do not free it.
11730         * tree-ssa.c (delete_tree_ssa): Likewise.
11731         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
11732
11733 2009-04-16  Richard Guenther  <rguenther@suse.de>
11734
11735         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
11736         (walk_stmt_load_store_ops): Likewise.
11737         * gimple.c (get_base_loadstore): New function.
11738         (walk_stmt_load_store_addr_ops): Likewise.
11739         (walk_stmt_load_store_ops): Likewise.
11740         * ipa-pure-const.c (check_op): Simplify.
11741         (check_load, check_store): New functions.
11742         (check_stmt): Use walk_stmt_load_store_ops.
11743         * ipa-reference.c (mark_load): Adjust signature.
11744         (mark_store): Likewise.
11745         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
11746
11747 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
11748
11749         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
11750         (plugin_info): New.
11751         * opts.c (common_handle_option): Don't call print_version.
11752         * plugin.c (plugin_name_args): Add version.
11753         (register_plugin_info): New.
11754         (register_callback): Handle PLUGIN_INFO.
11755         (try_init_one_plugin): New.
11756         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
11757         if failed to init.
11758         (finalize_one_plugin): New.
11759         (finalize_plugins): New.
11760         (print_one_plugin): New.
11761         (print_plugins_versions): New.
11762         * plugin.h (print_plugins_versions): New.
11763         (finalize_plugins): New.
11764         * toplev.c (compile_file): Don't call initialize_plugins.
11765         (print_version): Call print_plugins_versions.
11766         (toplev_main): Call initialize_plugins. Print version if needed.
11767         Call finalize_plugins.
11768
11769 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
11770
11771         * common.opt (fversion): New.
11772         * gcc.c (print_version): New.
11773         (process_command): Don't print the version. Just set print_version.
11774         (main): Print version. Call subprocesses if print_version and
11775         verbose_flag are set.
11776         * opts.c (common_handle_option): Handle OPT_fversion.
11777
11778 2009-04-16  Richard Guenther  <rguenther@suse.de>
11779             Ira Rosen  <irar@il.ibm.com>
11780
11781         PR tree-optimization/39698
11782         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
11783         type of the reduction variable.  Only generate the def if
11784         it is needed.
11785
11786         * omp-low.c (expand_omp_for_generic): When converting to a pointer
11787         make sure to first convert to an integer of the same precision.
11788         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
11789         the type of the evolution correctly in computing the new
11790         induction variable base.
11791
11792 2009-04-16  Richard Guenther  <rguenther@suse.de>
11793
11794         PR middle-end/39625
11795         * tree-cfg.c (make_blocks): Split statements with to-be
11796         abnormal SSA names on the lhs.
11797
11798 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
11799
11800         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
11801         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
11802         * c-typeck.c (really_start_incremental_init): Likewise.
11803         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
11804         (TARGET_INITIALIZER): Remove it.
11805         * target.h (struct target): Remove vector_opaque_p.
11806         * tree.c (build_opaque_vector_type): New.
11807         * tree.h (TYPE_VECTOR_OPAQUE): New.
11808         (build_opaque_vector_type): Declare.
11809         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
11810         * config/rs6000/rs6000.c (build_opaque_vector_type,
11811         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
11812         (rs6000_init_builtins): Use build_opaque_vector_type for
11813         opaque_V4SI_type_node.
11814
11815 2009-04-15  Catherine Moore  <clm@codesourcery.com>
11816
11817         * debug.h (set_name):  Declare.
11818         * dwarf2out.c (dwarf2out_set_name): Declare.
11819         (dwarf2_debug_hooks): Add set_name.
11820         (find_AT_string): New.
11821         (add_AT_string): Call find_AT_string.
11822         (dwarf2out_set_name): New.
11823         * cp/decl.c (grokdeclarator): Call set_name.
11824         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
11825         * debug.c (do_nothing_debug_hooks):  Likewise.
11826         * dbxout.c (dbx_debug_hooks): Likewise.
11827         * sdbout.c (sdb_debug_hooks): Likewise.
11828
11829 2009-04-15  Michael Eager  <eager@eagercon.com>
11830
11831         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
11832         reg for single-precision FPU.
11833         * config/rs6000/rs6000.md (movsi_internal1): Only for
11834         !TARGET_SINGLE_FPU.
11835         (movsi_internal1_single): New. Add pattern to move SI values to/from
11836         single-precision FP regs.
11837
11838 2009-04-15  Richard Guenther  <rguenther@suse.de>
11839
11840         * omp-low.c (lower_rec_input_clauses): Build correct address
11841         expressions.
11842         (expand_omp_for_generic): Fix multiplication type.
11843         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
11844         (generate_memset_zero): Fix types.
11845         * tree-profile.c (prepare_instrumented_value): Correctly
11846         widen a pointer.
11847
11848 2009-04-15  Ian Lance Taylor  <iant@google.com>
11849
11850         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
11851         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
11852         for -Wall and for -Wc++-compat.
11853         (c_common_post_options): For C++, set warn_enum_compare if not
11854         already set.
11855         * c-tree.h (struct c_expr): Add field original_type.
11856         (build_external_ref): Update declaration.
11857         * c-parser.c (c_parser_braced_init): Set original_type.
11858         (c_parser_initelt): Likewise.
11859         (c_parser_expr_no_commas): Likewise.
11860         (c_parser_conditional_expression): Likewise.
11861         (c_parser_cast_expression): Likewise.
11862         (c_parser_unary_expression): Likewise.  Pull setting of
11863         original_code to top of function.
11864         (c_parser_sizeof_expression): Set original_type.
11865         (c_parser_alignof_expression): Likewise.
11866         (c_parser_postfix_expression): Likewise.  Pull setting of
11867         original_code to top of function.
11868         (c_parser_postfix_expression_after_paren_type): Set original_type.
11869         (c_parser_postfix_expression_after_primary): Likewise.
11870         (c_parser_expression): Likewise.
11871         * c-typeck.c (build_external_ref): Add type parameter.  Change all
11872         callers.
11873         (c_expr_sizeof_expr): Set original_type field.
11874         (parser_build_unary_op): Likewise.
11875         (parser_build_binary_op): Likewise.  Optionally warn about
11876         comparisons of enums of different types.
11877         (digest_init): Set original_type field.
11878         (really_start_incremental_init): Likewise.
11879         (push_init_level, pop_init_level): Likewise.
11880         * doc/invoke.texi (Warning Options): -Wenum-compare now
11881         supported in C.
11882
11883 2009-04-15  Richard Guenther  <rguenther@suse.de>
11884
11885         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
11886         out a necessary conversion.
11887         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
11888         names we didn't value number.
11889         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
11890
11891 2009-04-15  Richard Guenther  <rguenther@suse.de>
11892
11893         PR tree-optimization/39764
11894         * tree-ssa-ccp.c (get_value): Canonicalize value with
11895         canonicalize_float_value.
11896
11897 2009-04-15  Jan Hubicka  <jh@suse.cz>
11898
11899         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
11900         Wrong version of patch.
11901
11902 2009-04-15  Jan Hubicka  <jh@suse.cz>
11903
11904         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
11905
11906 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
11907
11908         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
11909         our distinct integral and vector types.
11910
11911 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
11912
11913         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
11914         * init.c (build_vtbl_address): Remove call to assemble_external.
11915
11916 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
11917
11918         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
11919         output for other floating point modes.
11920
11921 2009-04-14  Diego Novillo  <dnovillo@google.com>
11922
11923         * diagnostic.c (diagnostic_report_diagnostic): Do not
11924         warn about loaded plugins for DK_ERROR and DK_WARNING.
11925         * c-decl.c (declspecs_add_type): Move call to
11926         invoke_plugin_callbacks ...
11927         * c-parser.c (c_parser_declspecs): ... here.
11928         * plugin.c (dump_active_plugins): Tidy output.
11929
11930 2009-04-14  Diego Novillo  <dnovillo@google.com>
11931             Le-Chun Wu  <lcwu@google.com>
11932
11933         * configure.ac: Add --enable-plugin support.
11934         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
11935         * Makefile.in (PLUGIN_H): Define.
11936         Export ENABLE_PLUGIN and GMPINC to site.exp.
11937         Add PLUGINLIBS to link command.
11938         Add/modify dependencies for plugin.o and files including plugin.h.
11939         (plugin.o): New.
11940         * config.in: Regenerate.
11941
11942         * opts.c (common_handle_option): Handle OPT_fplugin_ and
11943         OPT_fplugin_arg_.
11944
11945 2009-04-14  Le-Chun Wu  <lcwu@google.com>
11946
11947         * tree-pass.h (register_one_dump_file): Add a prototype for
11948         register_one_dump_file.
11949         * toplev.c (compile_file): Call initialize_plugins.
11950         (do_compile): Call invoke_plugin_callbacks.
11951         (toplev_main): Call invoke_plugin_callbacks.
11952         * common.opt: Add -fplugin= and -fplugin-arg-.
11953         * gcc-plugin.h: New public header file for plugins to include.
11954         * plugin.c: New source file.
11955         * plugin.h: New internal header file.
11956         * passes.c (register_one_dump_file): Make it external.
11957
11958         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
11959
11960 2009-04-14  Diego Novillo  <dnovillo@google.com>
11961
11962         * doc/plugins.texi: New.
11963         * doc/gccint.texi: Add reference to Plugins chapter.
11964         * doc/invoke.texi: Document -fplugin and -fplugin-arg
11965         * diagnostic.c (diagnostic_report_diagnostic): Warn about
11966         loaded plugins, if any.
11967         * timevar.def (TV_PLUGIN_INIT): Define.
11968         (TV_PLUGIN_RUN): Define.
11969         * plugin.c: Include timevar.h
11970         (plugins_active_p): New.
11971         (dump_active_plugins): New.
11972         (debug_active_plugins): New.
11973
11974 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
11975
11976         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
11977         library paths.
11978         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
11979
11980 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
11981
11982         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
11983         the same as a minus without a shift.
11984
11985 2009-04-14  Nick Clifton  <nickc@redhat.com>
11986
11987         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
11988         comparisons with small integers will always produce a short
11989         branch.
11990
11991 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
11992
11993         Merge:
11994         2008-12-19  Diego Novillo  <dnovillo@google.com>
11995
11996         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
11997
11998 2009-04-14  Richard Guenther  <rguenther@suse.de>
11999
12000         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
12001         verification.
12002         (verify_gimple_assign_binary): Likewise.  Handle shifts and
12003         rotates correctly.
12004         (verify_gimple_phi): Print the mismatched argument position.
12005         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
12006         Fix types.
12007         (vect_update_init_of_dr): Likewise.
12008         * matrix-reorg.c (transform_access_sites): Do what the
12009         comment suggests.
12010         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
12011
12012 2009-04-13  Michael Eager  <eager@eagercon.com>
12013
12014         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
12015         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
12016         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
12017         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
12018         remove duplicate config
12019
12020 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
12021
12022         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
12023         file_name:line_number type locator of the call site.
12024
12025 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
12026
12027         * genautomata.c: Put blank after comma.
12028         (automaton_decls): New.
12029         (struct unit_usage): Add comments to member next.
12030         (store_alt_unit_usage): Keep the list ordered.
12031         (unit_present_on_list_p, equal_alternatives_p): New.
12032         (check_regexp_units_distribution): Check units distribution
12033         correctness correctly.
12034         (main): Don't write automata if error is found.  Return correct
12035         exit code.
12036
12037         * config/m68k/cf.md (cfv4_ds): Remove.
12038         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
12039         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
12040
12041         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
12042         power4-load-ext, power4-store, power4-store-update,
12043         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
12044         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
12045         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
12046         power4-sqrt, power4-isync): Modify reservation to make correct
12047         unit distribution to automata.
12048
12049         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
12050         power5-store-update, power5-two, power5-three, power5-lmul,
12051         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
12052
12053 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
12054
12055         * except.c (pass_set_nothrow_function_flags): Set name and add
12056         TODO_dump_func.
12057         (set_nothrow_function_flags): Mention in the dump file when
12058         changing a function to nothrow.
12059
12060 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
12061
12062         PR/39066
12063         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
12064         instead of unsigned long.
12065
12066 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
12067
12068         * config/arm/arm.c (return_used_this_function): Remove.
12069         (arm_output_function_prologue): Remove use of
12070         return_used_this_function.
12071         (output_return_instruction): Replace use of
12072         return_used_this_function
12073         by cfun->machine->return_used_this_function.
12074         (arm_output_epilogue): Likewise.
12075         (arm_output_function_epilogue): Likewise.
12076         (thumb_unexpanded_epilogue): Likewise.
12077         * config/arm/arm.h (struct machine_function):
12078         New member return_used_this_function.
12079
12080 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
12081
12082         * doc/install.texi: Correct description of default directory for
12083         --with-gxx-include-dir.
12084
12085 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
12086
12087         * fold-const.c (build_range_check): Properly deal with enumeral and
12088         boolean base types.
12089
12090 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
12091
12092         * doc/invoke.texi (max_gcse_passes): Remove documentation.
12093         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
12094         * params.h (MAX_GCSE_PASSES): Remove.
12095         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
12096         in sequence.  Remove ability to run multiple passes.
12097         (bypass_jumps): Report run as third CPROP pass.
12098
12099 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
12100
12101         PR middle-end/39651
12102         * except.c (can_throw_external): Look at each insn in a SEQUENCE
12103         when deciding whether the whole SEQUENCE can throw.
12104
12105 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
12106
12107         PR target/39740
12108         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
12109         offseted label references.
12110
12111 2009-04-11  Jan Hubicka  <jh@suse.cz>
12112
12113         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
12114
12115 2009-04-11  Richard Guenther  <rguenther@suse.de>
12116
12117         PR middle-end/39732
12118         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
12119         return variables as TREE_ADDRESSABLE.
12120
12121 2009-04-11  Richard Guenther  <rguenther@suse.de>
12122
12123         PR tree-optimization/39713
12124         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
12125         reference trees have SSA_NAME operands.
12126
12127 2009-04-11  Richard Guenther  <rguenther@suse.de>
12128
12129         PR c/39712
12130         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
12131         address expressions.
12132
12133 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
12134
12135         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
12136         match changes in Cygwin 1.7
12137         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
12138         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
12139
12140 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
12141
12142         PR tree-optimization/39701
12143         * doc/invoke.texi (Optimization Options): Document change in
12144         meaning and initialization of -fdelete-null-pointer-checks.
12145
12146 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
12147
12148         PR middle-end/39701
12149         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
12150
12151         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
12152         here.
12153
12154         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
12155
12156 2009-04-10  Chao-ying Fu  <fu@mips.com>
12157
12158         * doc/tm.texi (Instruction Output): Document
12159         TARGET_ASM_FINAL_POSTSCAN_INSN.
12160         * target.h (final_postscan_insn): New field in asm_out.
12161         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
12162         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
12163         * final.c (final_scan_insn): Call
12164         targetm.asm_out.final_postscan_insn after outputting
12165         an asm macro and a normal instruction.
12166
12167         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
12168         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
12169         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
12170         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
12171         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
12172
12173 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
12174
12175         PR middle-end/39701
12176         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
12177         variables as non-NULL even with -fdelete-null-pointer-checks.
12178
12179 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
12180
12181         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
12182
12183 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
12184
12185         PR target/39678
12186         * config/i386/i386.c (classify_argument): Handle SCmode with
12187         (bit_offset % 64) != 0.
12188
12189 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
12190
12191         * doc/invoke.texi (Optimize Options): Add cross-reference to
12192         -Q --help=optimizers examples.
12193
12194 2009-04-10  Ben Elliston  <bje@au.ibm.com>
12195
12196         PR target/36800
12197         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
12198         regalign for the reg == fpr and TDmode case.
12199
12200 2009-04-09  David Ayers  <ayers@fsfe.org>
12201
12202         PR objc/29200
12203         * objc/objc-act.c (warn_with_method): Remove helper function.
12204         (check_duplicates): Call warning and inform directly.
12205         (really_start_method): Likewise.
12206
12207 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
12208
12209         * expmed.c (expand_divmod): Always use a comparison for a division
12210         by a large unsigned integer.
12211
12212         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
12213         for things others than variables or functions as nonzero.
12214
12215 2009-04-09  Nick Clifton  <nickc@redhat.com>
12216
12217         * unwind-compat.c: Change copyright header to refer to version
12218         3 of the GNU General Public License with version 3.1 of the
12219         GCC Runtime Library Exception and to point readers at the
12220         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
12221         * config/alpha/crtfastmath.c: Likewise.
12222         * config/alpha/linux-unwind.h: Likewise.
12223         * config/alpha/qrnnd.asm: Likewise.
12224         * config/alpha/vms-crt0-64.c: Likewise.
12225         * config/alpha/vms-crt0.c: Likewise.
12226         * config/alpha/vms-dwarf2.asm: Likewise.
12227         * config/alpha/vms-dwarf2eh.asm: Likewise.
12228         * config/alpha/vms-psxcrt0-64.c: Likewise.
12229         * config/alpha/vms-psxcrt0.c: Likewise.
12230         * config/alpha/vms_tramp.asm: Likewise.
12231         * config/arc/initfini.c: Likewise.
12232         * config/arc/lib1funcs.asm: Likewise.
12233         * config/arm/bpabi-v6m.S: Likewise.
12234         * config/arm/bpabi.S: Likewise.
12235         * config/arm/bpabi.c: Likewise.
12236         * config/arm/crti.asm: Likewise.
12237         * config/arm/crtn.asm: Likewise.
12238         * config/arm/ieee754-df.S: Likewise.
12239         * config/arm/ieee754-sf.S: Likewise.
12240         * config/arm/lib1funcs.asm: Likewise.
12241         * config/arm/libunwind.S: Likewise.
12242         * config/arm/linux-atomic.c: Likewise.
12243         * config/arm/mmintrin.h: Likewise.
12244         * config/arm/pr-support.c: Likewise.
12245         * config/arm/unaligned-funcs.c: Likewise.
12246         * config/arm/unwind-arm.c: Likewise.
12247         * config/arm/unwind-arm.h: Likewise.
12248         * config/avr/libgcc.S: Likewise.
12249         * config/bfin/crti.s: Likewise.
12250         * config/bfin/crtlibid.s: Likewise.
12251         * config/bfin/crtn.s: Likewise.
12252         * config/bfin/lib1funcs.asm: Likewise.
12253         * config/bfin/linux-unwind.h: Likewise.
12254         * config/cris/arit.c: Likewise.
12255         * config/cris/cris_abi_symbol.c: Likewise.
12256         * config/darwin-64.c: Likewise.
12257         * config/darwin-crt2.c: Likewise.
12258         * config/darwin-crt3.c: Likewise.
12259         * config/darwin.h: Likewise.
12260         * config/dbxelf.h: Likewise.
12261         * config/dfp-bit.c: Likewise.
12262         * config/dfp-bit.h: Likewise.
12263         * config/elfos.h: Likewise.
12264         * config/fixed-bit.c: Likewise.
12265         * config/fixed-bit.h: Likewise.
12266         * config/fp-bit.c: Likewise.
12267         * config/fp-bit.h: Likewise.
12268         * config/fr30/crti.asm: Likewise.
12269         * config/fr30/crtn.asm: Likewise.
12270         * config/fr30/lib1funcs.asm: Likewise.
12271         * config/freebsd-spec.h: Likewise.
12272         * config/frv/cmovd.c: Likewise.
12273         * config/frv/cmovh.c: Likewise.
12274         * config/frv/cmovw.c: Likewise.
12275         * config/frv/frvbegin.c: Likewise.
12276         * config/frv/frvend.c: Likewise.
12277         * config/frv/lib1funcs.asm: Likewise.
12278         * config/glibc-stdint.h: Likewise.
12279         * config/h8300/clzhi2.c: Likewise.
12280         * config/h8300/crti.asm: Likewise.
12281         * config/h8300/crtn.asm: Likewise.
12282         * config/h8300/ctzhi2.c: Likewise.
12283         * config/h8300/fixunssfsi.c: Likewise.
12284         * config/h8300/lib1funcs.asm: Likewise.
12285         * config/h8300/parityhi2.c: Likewise.
12286         * config/h8300/popcounthi2.c: Likewise.
12287         * config/i386/ammintrin.h: Likewise.
12288         * config/i386/att.h: Likewise.
12289         * config/i386/avxintrin.h: Likewise.
12290         * config/i386/biarch64.h: Likewise.
12291         * config/i386/bmmintrin.h: Likewise.
12292         * config/i386/cpuid.h: Likewise.
12293         * config/i386/cross-stdarg.h: Likewise.
12294         * config/i386/crtfastmath.c: Likewise.
12295         * config/i386/crtprec.c: Likewise.
12296         * config/i386/cygming-crtbegin.c: Likewise.
12297         * config/i386/cygming-crtend.c: Likewise.
12298         * config/i386/cygwin.asm: Likewise.
12299         * config/i386/emmintrin.h: Likewise.
12300         * config/i386/gmm_malloc.h: Likewise.
12301         * config/i386/gthr-win32.c: Likewise.
12302         * config/i386/i386.h: Likewise.
12303         * config/i386/immintrin.h: Likewise.
12304         * config/i386/linux-unwind.h: Likewise.
12305         * config/i386/linux64.h: Likewise.
12306         * config/i386/mm3dnow.h: Likewise.
12307         * config/i386/mmintrin-common.h: Likewise.
12308         * config/i386/mmintrin.h: Likewise.
12309         * config/i386/nmmintrin.h: Likewise.
12310         * config/i386/pmm_malloc.h: Likewise.
12311         * config/i386/pmmintrin.h: Likewise.
12312         * config/i386/smmintrin.h: Likewise.
12313         * config/i386/sol2-c1.asm: Likewise.
12314         * config/i386/sol2-ci.asm: Likewise.
12315         * config/i386/sol2-cn.asm: Likewise.
12316         * config/i386/sol2-gc1.asm: Likewise.
12317         * config/i386/tmmintrin.h: Likewise.
12318         * config/i386/unix.h: Likewise.
12319         * config/i386/w32-unwind.h: Likewise.
12320         * config/i386/wmmintrin.h: Likewise.
12321         * config/i386/x86-64.h: Likewise.
12322         * config/i386/x86intrin.h: Likewise.
12323         * config/i386/xmmintrin.h: Likewise.
12324         * config/ia64/crtbegin.asm: Likewise.
12325         * config/ia64/crtend.asm: Likewise.
12326         * config/ia64/crtfastmath.c: Likewise.
12327         * config/ia64/crti.asm: Likewise.
12328         * config/ia64/crtn.asm: Likewise.
12329         * config/ia64/fde-glibc.c: Likewise.
12330         * config/ia64/lib1funcs.asm: Likewise.
12331         * config/ia64/linux-unwind.h: Likewise.
12332         * config/ia64/quadlib.c: Likewise.
12333         * config/ia64/unwind-ia64.c: Likewise.
12334         * config/linux.h: Likewise.
12335         * config/m32c/m32c-lib1.S: Likewise.
12336         * config/m32c/m32c-lib2-trapv.c: Likewise.
12337         * config/m32c/m32c-lib2.c: Likewise.
12338         * config/m32r/initfini.c: Likewise.
12339         * config/m68hc11/larith.asm: Likewise.
12340         * config/m68hc11/m68hc11-crt0.S: Likewise.
12341         * config/m68k/cf.md: Likewise.
12342         * config/m68k/crti.s: Likewise.
12343         * config/m68k/crtn.s: Likewise.
12344         * config/m68k/lb1sf68.asm: Likewise.
12345         * config/m68k/linux-unwind.h: Likewise.
12346         * config/mcore/crti.asm: Likewise.
12347         * config/mcore/crtn.asm: Likewise.
12348         * config/mcore/lib1.asm: Likewise.
12349         * config/mips/linux-unwind.h: Likewise.
12350         * config/mips/loongson.h: Likewise.
12351         * config/mips/mips16.S: Likewise.
12352         * config/mmix/crti.asm: Likewise.
12353         * config/mmix/crtn.asm: Likewise.
12354         * config/pa/fptr.c: Likewise.
12355         * config/pa/hpux-unwind.h: Likewise.
12356         * config/pa/lib2funcs.asm: Likewise.
12357         * config/pa/linux-atomic.c: Likewise.
12358         * config/pa/linux-unwind.h: Likewise.
12359         * config/pa/milli64.S: Likewise.
12360         * config/pa/quadlib.c: Likewise.
12361         * config/pa/stublib.c: Likewise.
12362         * config/picochip/libgccExtras/adddi3.asm: Likewise.
12363         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
12364         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
12365         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
12366         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
12367         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
12368         * config/picochip/libgccExtras/divmod15.asm: Likewise.
12369         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
12370         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
12371         * config/picochip/libgccExtras/longjmp.asm: Likewise.
12372         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
12373         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
12374         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
12375         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
12376         * config/picochip/libgccExtras/setjmp.asm: Likewise.
12377         * config/picochip/libgccExtras/subdi3.asm: Likewise.
12378         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
12379         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
12380         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
12381         * config/rs6000/750cl.h: Likewise.
12382         * config/rs6000/altivec.h: Likewise.
12383         * config/rs6000/biarch64.h: Likewise.
12384         * config/rs6000/crtresfpr.asm: Likewise.
12385         * config/rs6000/crtresgpr.asm: Likewise.
12386         * config/rs6000/crtresxfpr.asm: Likewise.
12387         * config/rs6000/crtresxgpr.asm: Likewise.
12388         * config/rs6000/crtsavfpr.asm: Likewise.
12389         * config/rs6000/crtsavgpr.asm: Likewise.
12390         * config/rs6000/darwin-asm.h: Likewise.
12391         * config/rs6000/darwin-fallback.c: Likewise.
12392         * config/rs6000/darwin-fpsave.asm: Likewise.
12393         * config/rs6000/darwin-ldouble.c: Likewise.
12394         * config/rs6000/darwin-tramp.asm: Likewise.
12395         * config/rs6000/darwin-unwind.h: Likewise.
12396         * config/rs6000/darwin-vecsave.asm: Likewise.
12397         * config/rs6000/darwin-world.asm: Likewise.
12398         * config/rs6000/e500crtres32gpr.asm: Likewise.
12399         * config/rs6000/e500crtres64gpr.asm: Likewise.
12400         * config/rs6000/e500crtres64gprctr.asm: Likewise.
12401         * config/rs6000/e500crtrest32gpr.asm: Likewise.
12402         * config/rs6000/e500crtrest64gpr.asm: Likewise.
12403         * config/rs6000/e500crtresx32gpr.asm: Likewise.
12404         * config/rs6000/e500crtresx64gpr.asm: Likewise.
12405         * config/rs6000/e500crtsav32gpr.asm: Likewise.
12406         * config/rs6000/e500crtsav64gpr.asm: Likewise.
12407         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
12408         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
12409         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
12410         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
12411         * config/rs6000/eabi-ci.asm: Likewise.
12412         * config/rs6000/eabi-cn.asm: Likewise.
12413         * config/rs6000/eabi.asm: Likewise.
12414         * config/rs6000/linux-unwind.h: Likewise.
12415         * config/rs6000/linux64.h: Likewise.
12416         * config/rs6000/paired.h: Likewise.
12417         * config/rs6000/paired.md: Likewise.
12418         * config/rs6000/ppc64-fp.c: Likewise.
12419         * config/rs6000/ppu_intrinsics.h: Likewise.
12420         * config/rs6000/rs6000.h: Likewise.
12421         * config/rs6000/si2vmx.h: Likewise.
12422         * config/rs6000/sol-ci.asm: Likewise.
12423         * config/rs6000/sol-cn.asm: Likewise.
12424         * config/rs6000/spe.h: Likewise.
12425         * config/rs6000/spu2vmx.h: Likewise.
12426         * config/rs6000/sysv4.h: Likewise.
12427         * config/rs6000/tramp.asm: Likewise.
12428         * config/rs6000/vec_types.h: Likewise.
12429         * config/s390/linux-unwind.h: Likewise.
12430         * config/s390/tpf-unwind.h: Likewise.
12431         * config/score/crti.asm: Likewise.
12432         * config/score/crtn.asm: Likewise.
12433         * config/sh/crt1.asm: Likewise.
12434         * config/sh/crti.asm: Likewise.
12435         * config/sh/crtn.asm: Likewise.
12436         * config/sh/divtab-sh4-300.c: Likewise.
12437         * config/sh/divtab-sh4.c: Likewise.
12438         * config/sh/divtab.c: Likewise.
12439         * config/sh/lib1funcs-4-300.asm: Likewise.
12440         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
12441         * config/sh/lib1funcs.asm: Likewise.
12442         * config/sh/lib1funcs.h: Likewise.
12443         * config/sh/linux-atomic.asm: Likewise.
12444         * config/sh/linux-unwind.h: Likewise.
12445         * config/sh/shmedia.h: Likewise.
12446         * config/sh/sshmedia.h: Likewise.
12447         * config/sh/ushmedia.h: Likewise.
12448         * config/sparc/crtfastmath.c: Likewise.
12449         * config/sparc/linux-unwind.h: Likewise.
12450         * config/sparc/sol2-c1.asm: Likewise.
12451         * config/sparc/sol2-ci.asm: Likewise.
12452         * config/sparc/sol2-cn.asm: Likewise.
12453         * config/spu/divmodti4.c: Likewise.
12454         * config/spu/divv2df3.c: Likewise.
12455         * config/spu/float_disf.c: Likewise.
12456         * config/spu/float_unsdidf.c: Likewise.
12457         * config/spu/float_unsdisf.c: Likewise.
12458         * config/spu/float_unssidf.c: Likewise.
12459         * config/spu/mfc_multi_tag_release.c: Likewise.
12460         * config/spu/mfc_multi_tag_reserve.c: Likewise.
12461         * config/spu/mfc_tag_release.c: Likewise.
12462         * config/spu/mfc_tag_reserve.c: Likewise.
12463         * config/spu/mfc_tag_table.c: Likewise.
12464         * config/spu/multi3.c: Likewise.
12465         * config/spu/spu_internals.h: Likewise.
12466         * config/spu/spu_intrinsics.h: Likewise.
12467         * config/spu/spu_mfcio.h: Likewise.
12468         * config/spu/vec_types.h: Likewise.
12469         * config/spu/vmx2spu.h: Likewise.
12470         * config/stormy16/stormy16-lib2.c: Likewise.
12471         * config/svr4.h: Likewise.
12472         * config/sync.c: Likewise.
12473         * config/v850/lib1funcs.asm: Likewise.
12474         * config/vxlib-tls.c: Likewise.
12475         * config/vxlib.c: Likewise.
12476         * config/vxworks-dummy.h: Likewise.
12477         * config/xtensa/crti.asm: Likewise.
12478         * config/xtensa/crtn.asm: Likewise.
12479         * config/xtensa/ieee754-df.S: Likewise.
12480         * config/xtensa/ieee754-sf.S: Likewise.
12481         * config/xtensa/lib1funcs.asm: Likewise.
12482         * config/xtensa/lib2funcs.S: Likewise.
12483         * config/xtensa/linux-unwind.h: Likewise.
12484         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
12485         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
12486         * coretypes.h: Likewise.
12487         * crtstuff.c: Likewise.
12488         * defaults.h: Likewise.
12489         * dwarf2.h: Likewise.
12490         * emutls.c: Likewise.
12491         * gbl-ctors.h: Likewise.
12492         * gcov-io.h: Likewise.
12493         * ginclude/float.h: Likewise.
12494         * ginclude/iso646.h: Likewise.
12495         * ginclude/stdarg.h: Likewise.
12496         * ginclude/stdbool.h: Likewise.
12497         * ginclude/stddef.h: Likewise.
12498         * ginclude/stdfix.h: Likewise.
12499         * ginclude/stdint-gcc.h: Likewise.
12500         * ginclude/tgmath.h: Likewise.
12501         * gthr-aix.h: Likewise.
12502         * gthr-dce.h: Likewise.
12503         * gthr-gnat.c: Likewise.
12504         * gthr-gnat.h: Likewise.
12505         * gthr-lynx.h: Likewise.
12506         * gthr-mipssde.h: Likewise.
12507         * gthr-nks.h: Likewise.
12508         * gthr-posix.c: Likewise.
12509         * gthr-posix.h: Likewise.
12510         * gthr-posix95.h: Likewise.
12511         * gthr-rtems.h: Likewise.
12512         * gthr-single.h: Likewise.
12513         * gthr-solaris.h: Likewise.
12514         * gthr-tpf.h: Likewise.
12515         * gthr-vxworks.h: Likewise.
12516         * gthr-win32.h: Likewise.
12517         * gthr.h: Likewise.
12518         * libgcc2.c: Likewise.
12519         * libgcc2.h: Likewise.
12520         * libgcov.c: Likewise.
12521         * tsystem.h: Likewise.
12522         * typeclass.h: Likewise.
12523         * unwind-c.c: Likewise.
12524         * unwind-compat.h: Likewise.
12525         * unwind-dw2-fde-compat.c: Likewise.
12526         * unwind-dw2-fde-darwin.c: Likewise.
12527         * unwind-dw2-fde-glibc.c: Likewise.
12528         * unwind-dw2-fde.c: Likewise.
12529         * unwind-dw2-fde.h: Likewise.
12530         * unwind-dw2.c: Likewise.
12531         * unwind-dw2.h: Likewise.
12532         * unwind-generic.h: Likewise.
12533         * unwind-pe.h: Likewise.
12534         * unwind-sjlj.c: Likewise.
12535         * unwind.inc: Likewise.
12536         * config/arm/neon-gen.ml: Change generated copyright header to
12537         refer to version 3 of the GNU General Public License with
12538         version 3.1 of the GCC Runtime Library Exception and to point
12539         readers at the COPYING3 and COPYING3.RUNTIME files and the
12540         FSF's license web page.
12541         * config/arm/arm_neon.h: Regenerate.
12542
12543 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
12544
12545         * config/cris/cris.md: Change copyright header to refer to version
12546         3 of the GNU General Public License.
12547         * doc/install.texi2html: Change copyright header to refer to version
12548         3 of the GNU General Public License and to point readers at the
12549         COPYING3 file and the FSF's license web page.
12550         * config/vax/linux.h: Likewise.
12551
12552 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
12553
12554         * config/i386/i386.md (cmpcc): New.
12555         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
12556         (sync_compare_and_swap_cc*): Delete.
12557
12558         * config/s390/s390.c (s390_compare_emitted): Remove.
12559         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
12560         s390_compare_emitted used to be handled.  Assert that modes match.
12561         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
12562         refer to sync_compare_and_swap_ccsi.
12563         * config/s390/s390.h (s390_compare_emitted): Remove.
12564         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
12565         instead of s390_compare_emitted.
12566         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
12567         instead of s390_compare_emitted.
12568         * config/s390/s390.md (cmpcc): New.
12569         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
12570         CC_REGNUM, do not pretend it's set.
12571         (sync_compare_and_swap_cc*): Delete.
12572         * config/s390/predicates.md (cc_reg_operand): New.
12573
12574         * expr.c (sync_compare_and_swap_cc): Delete.
12575         * optabs.h (sync_compare_and_swap_cc): Delete.
12576         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
12577         is being used with can_compare_p.
12578         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
12579         (find_cc_set): New.
12580         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
12581         look for a MODE_CC set instead.  Use emit_store_flag.
12582         (expand_compare_and_swap_loop): Likewise, with some additional
12583         complication to avoid a force_reg when useless.  Use
12584         emit_cmp_and_jump_insns.
12585         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
12586         * doc/md.texi (sync_compare_and_swap_cc): Merge with
12587         sync_compare_and_swap documentation.
12588
12589 2009-04-09  Jan Hubicka  <jh@suse.cz>
12590
12591         * except.c (find_prev_try): Break out from ....
12592         (duplicate_eh_regions): ... here; properly update prev_try pointers
12593         when duplication part of tree.
12594         (dump_eh_tree): Improve dumping.
12595         (verify_eh_region): New.
12596         (verify_eh_tree): Use it.
12597
12598 2009-04-06  Richard Guenther  <rguenther@suse.de>
12599
12600         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
12601         &ARRAY addresses by adjusting their types and prepending
12602         a conversion.
12603         * tree-cfg.c (verify_gimple_assign_single): Verify that
12604         addresses are correct.
12605
12606 2009-04-09  Richard Guenther  <rguenther@suse.de>
12607
12608         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
12609         indices into an array reference if possible.
12610         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
12611         Fold POINTER_PLUS_EXPR statements with invariant address.
12612
12613 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
12614
12615         PR target/39634
12616         * config.gcc (powerpc64-*-linux*): Always build biarch.
12617
12618 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
12619
12620         PR c/39613
12621         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
12622         it and pedwarn if this results in an INTEGER_CST.
12623
12624 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12625
12626         * doc/install.texi: Update minimum GMP version.  Remove obsolete
12627         text in MPFR section.
12628
12629 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
12630
12631         * dwarf2out.c (class_scope_p): New static inline.
12632         (class_or_namespace_scope_p): Use it.
12633         (gen_variable_die): Use DW_TAG_member tag for static data member
12634         declarations instead of DW_TAG_variable.
12635
12636         PR middle-end/39573
12637         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
12638         variables.
12639
12640 2009-04-08  Richard Guenther  <rguenther@suse.de>
12641
12642         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
12643         valueize random data.
12644
12645 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
12646
12647         * config.gcc (aix tm_file):  Add aix-stdint.h.
12648         (aix tm clause use_gcc_stdint):  Set to wrap.
12649         * config/rs6000/aix-stdint.h:  New file.
12650
12651 2009-04-08  Richard Guenther  <rguenther@suse.de>
12652
12653         PR middle-end/36291
12654         * tree-dfa.c (add_referenced_var): Do not recurse into
12655         global initializers.
12656         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
12657         exposed variables.
12658         (fold_const_aggregate_ref): Likewise.
12659
12660 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
12661
12662         * recog.c (ordered_comparison_operator): New.
12663         * gensupport.c (std_preds): Add it.
12664         * doc/md.texi (Machine-Independent Predicates): Document it.
12665
12666 2009-04-08  Jan Hubicka  <jh@suse.cz>
12667
12668         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
12669         * function.h (rtl_eh): Remove exception_handler_label_map.
12670         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
12671         remove_exception_handler_label, for_each_eh_label_1): Remove.
12672         (rtl_remove_unreachable_regions): Remove.
12673         (convert_from_eh_region_ranges): Do not remove unreachable regions.
12674         (find_exception_handler_labels): Don't build the hashtable.
12675         (maybe_remove_eh_handler): Remove.
12676         (for_each_eh_label): Rewrite to walk the tree.
12677         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
12678         * except.h (maybe_remove_eh_handler): Remove.
12679         * passes.c (init_optimization_passes): Schedule second EH cleanup
12680         before out-of-ssa.
12681         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
12682         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
12683
12684 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
12685
12686         * genoutput.c (validate_optab_operands): New.
12687         (gen_insn, gen_expand): Call it.
12688
12689         * genflags.c (gen_insn): Detect misused iterators.
12690         (main): Pass line_no to gen_insn, exit with status 1 on error.
12691
12692         * genextract.c (line_no): Make global.
12693         (VEC_safe_set_locstr): Change assertion to error message.
12694         (main): Exit with status 1 on error.
12695
12696 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
12697
12698         PR c/39614
12699         PR c/39673
12700         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
12701         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
12702         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
12703         * c-convert.c (convert): Do not call fold on results of conversion
12704         functions when the result is a C_MAYBE_CONST_EXPR.
12705         * c-parser.c (c_parser_postfix_expression): Do not fold condition
12706         of __builtin_choose_expr.
12707         * c-typeck.c (remove_c_maybe_const_expr): New.
12708         (build_unary_op, build_conditional_expr, build_compound_expr,
12709         build_binary_op, c_objc_common_truthvalue_conversion): Call
12710         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
12711         integer operands.
12712
12713 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
12714
12715         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
12716         CODE to produce a new one. Add a prototype to use fold_convert_const
12717
12718 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
12719
12720         PR bootstrap/39660
12721         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
12722         mix declarations and code.
12723
12724 2009-04-08  Ben Elliston  <bje@au.ibm.com>
12725
12726         * gcc.c: Replace `CC' with `GCC' throughout.
12727
12728 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
12729
12730         * doc/invoke.texi: Document Atom support.
12731
12732 2009-04-07  Jason Merrill  <jason@redhat.com>
12733
12734         PR c++/25185
12735         * c-common.h, c-common.c: Add flag_pretty_templates.
12736         * c-opts.c (c_common_handle_option): Set it.
12737         * c.opt: Add -fno-pretty-templates.
12738         * doc/invoke.texi (C++ Dialect Options): Likewise.
12739
12740 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
12741
12742         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
12743         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
12744         (ia64_expand_builtin): Likewise.
12745
12746 2009-04-07  Martin Jambor  <mjambor@suse.cz>
12747
12748         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
12749         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
12750         ADDR_EXPRS are include too.
12751
12752 2009-04-07  Richard Guenther  <rguenther@suse.de>
12753
12754         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
12755         decls are only used if passes as parameters or if they are
12756         local statics and the call is not to a builtin.
12757         (call_may_clobber_ref_p_1): Likewise.
12758
12759 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
12760
12761         * expr.c (do_store_flag): Remove last argument.  Simplify code
12762         to avoid duplication of tests already done by can_compare_p.
12763         (expand_expr_real_1): Adjust caller.
12764
12765 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
12766
12767         * optabs.c (can_compare_p): Test the predicate of a
12768         cbranch and cstore pattern.
12769
12770 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
12771
12772         * expr.c (convert_move): Use emit_store_flag instead of
12773         "emulating" it.
12774
12775 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
12776
12777         * config/i386/i386.c (ix86_compare_emitted): Remove.
12778         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
12779         ix86_compare_op0 like ix86_compare_emitted used to be handled.
12780         * config/i386/i386.h (ix86_compare_emitted): Remove.
12781         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
12782         instead of ix86_compare_emitted.
12783         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
12784
12785 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
12786
12787         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
12788         Add t-sysroot-suffix to tmake_file.
12789         * config/print-sysroot-suffix.sh: New file.
12790         * config/t-sysroot-suffix: New file.
12791
12792 2009-04-07  Ben Elliston  <bje@au.ibm.com>
12793
12794         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
12795         as the latter produces a warning when the target does not support
12796         infinity.
12797
12798 2009-04-07  Ben Elliston  <bje@au.ibm.com>
12799
12800         * dfp.c: Replace type punning assignments with memcpy throughout.
12801         * Makefile.in (dfp.o-warn): Remove.
12802
12803 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
12804
12805         PR target/39634
12806         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
12807         Include soft-fp/t-softfp after rs6000/t-linux64.
12808
12809 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
12810
12811         * stor-layout.c (set_sizetype): Use the full precision of their
12812         machine mode for bitsize types.
12813
12814 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
12815
12816         * config/i386/i386.md: Revert 2 accidental checkins.
12817
12818 2009-04-06  Joey Ye  <joey.ye@intel.com>
12819             Xuepeng Guo  <xuepeng.guo@intel.com>
12820             H.J. Lu  <hongjiu.lu@intel.com>
12821
12822         Atom pipeline model, tuning and insn selection.
12823         * config.gcc (atom): Add atom config options and target.
12824
12825         * config/i386/atom.md: New.
12826
12827         * config/i386/i386.c (atom_cost): New cost.
12828         (m_ATOM): New macro flag.
12829         (initial_ix86_tune_features): Set m_ATOM.
12830         (x86_accumulate_outgoing_args): Likewise.
12831         (x86_arch_always_fancy_math_387): Likewise.
12832         (processor_target): Add Atom cost.
12833         (cpu_names): Add Atom cpu name.
12834         (override_options): Set Atom ISA.
12835         (ix86_issue_rate): New case PROCESSOR_ATOM.
12836         (ix86_adjust_cost): Likewise.
12837
12838         * config/i386/i386.h (TARGET_ATOM): New target macro.
12839         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
12840         (TARGET_OPT_AGU): New target option.
12841         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
12842         (processor_type): Add PROCESSOR_ATOM.
12843
12844         * config/i386/i386.md (cpu): Add new value "atom".
12845         (use_carry, movu): New attr.
12846         (atom.md): Include atom.md.
12847         (adddi3_carry_rex64): Set attr "use_carry".
12848         (addqi3_carry): Likewise.
12849         (addhi3_carry): Likewise.
12850         (addsi3_carry): Likewise.
12851         (*addsi3_carry_zext): Likewise.
12852         (subdi3_carry_rex64): Likewise.
12853         (subqi3_carry): Likewise.
12854         (subhi3_carry): Likewise.
12855         (subsi3_carry): Likewise.
12856         (x86_movdicc_0_m1_rex64): Likewise.
12857         (*x86_movdicc_0_m1_se): Likewise.
12858         (x86_movsicc_0_m1): Likewise.
12859         (*x86_movsicc_0_m1_se): Likewise.
12860         (*adddi_1_rex64): Emit add insn as much as possible.
12861         (*addsi_1): Likewise.
12862         (return_internal): Set atom_unit.
12863         (return_internal_long): Likewise.
12864         (return_pop_internal): Likewise.
12865         (*rcpsf2_sse): Set atom_sse_attr attr.
12866         (*qrt<mode>2_sse): Likewise.
12867         (*prefetch_sse): Likewise.
12868
12869         * config/i386/i386-c.c (ix86_target_macros_internal): New case
12870         PROCESSOR_ATOM.
12871         (ix86_target_macros_internal): Likewise.
12872
12873         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
12874         (*prefetch_sse_rex): Likewise.
12875         (sse_rcpv4sf2): Likewise.
12876         (sse_vmrcpv4sf2): Likewise.
12877         (sse_sqrtv4sf2): Likewise.
12878         (<sse>_vmsqrt<mode>2): Likewise.
12879         (sse_ldmxcsr): Likewise.
12880         (sse_stmxcsr): Likewise.
12881         (*sse_sfence): Likewise.
12882         (sse2_clflush): Likewise.
12883         (*sse2_mfence): Likewise.
12884         (*sse2_lfence): Likewise.
12885         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
12886         (<sse>_movup<ssemodesuffixf2c>): Likewise.
12887         (avx_movdqu<avxmodesuffix>): Likewise.
12888         (avx_lddqu<avxmodesuffix>): Likewise.
12889         (sse2_movntv2di): Change attr "type" to "ssemov".
12890         (sse2_movntsi): Likewise.
12891         (rsqrtv8sf2): Change attr "type" to "sseadd".
12892         (sse3_addsubv2df3): Set attr "atom_unit".
12893         (sse3_h<plusminus_insn>v4sf3): Likewise.
12894         (*sse2_pmaddwd): Likewise.
12895         (*vec_extractv2di_1_rex64): Likewise.
12896         (*vec_extractv2di_1_avx): Likewise.
12897         (sse2_psadbw): Likewise.
12898         (ssse3_phaddwv8hi3): Likewise.
12899         (ssse3_phaddwv4hi3): Likewise.
12900         (ssse3_phadddv4si3): Likewise.
12901         (ssse3_phadddv2si3): Likewise.
12902         (ssse3_phaddswv8hi3): Likewise.
12903         (ssse3_phaddswv4hi3): Likewise.
12904         (ssse3_phsubwv8hi3): Likewise.
12905         (ssse3_phsubwv4hi3): Likewise.
12906         (ssse3_phsubdv4si3): Likewise.
12907         (ssse3_phsubdv2si3): Likewise.
12908         (ssse3_phsubswv8hi3): Likewise.
12909         (ssse3_phsubswv4hi3): Likewise.
12910         (ssse3_pmaddubsw128): Likewise.
12911         (sse3_pmaddubsw: Likewise.
12912         (ssse3_palignrti): Likewise.
12913         (ssse3_palignrdi): Likewise.
12914
12915 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
12916
12917         * doc/install.texi (Specific): Fix two cross-references to MinGW.
12918
12919 2009-04-06  Richard Guenther  <rguenther@suse.de>
12920
12921         PR tree-optimization/28868
12922         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
12923         of which PHI results we inserted.
12924         (insert_into_preds_of_block): Record inserted PHIs.
12925         (eliminate): Eliminate redundant PHI nodes.
12926         (init_pre): Init inserted_phi_names.
12927
12928 2009-04-06  Richard Guenther  <rguenther@suse.de>
12929
12930         PR tree-optimization/39643
12931         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
12932         IMAGPART_EXPRs of complex constants.
12933         (execute_fold_all_builtins): If we folded a call queue
12934         TODO_update_address_taken.
12935
12936 2009-04-06  Jan Hubicka  <jh@suse.cz>
12937
12938         PR middle-end/39659
12939         * except.c (remove_unreachable_regions): Propagate may_contain_throw
12940         flag.
12941
12942 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
12943
12944         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
12945         delay slot.
12946         (ic_invalidate_array): Likewise.
12947
12948 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
12949
12950         * calls.c (emit_library_call_value_1): Fix a problem with parameter
12951         alignment for library calls.
12952
12953 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
12954
12955         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
12956         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
12957         * config/i386/mingw-stdint.h:  New file.
12958
12959 2009-04-05  Richard Guenther  <rguenther@suse.de>
12960
12961         PR tree-optimization/39648
12962         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
12963         our &A vs. &A[0] IL deficiencies.
12964
12965 2009-04-04  Jan Hubicka  <jh@suse.cz>
12966
12967         * except.c (sjlj_find_directly_reachable_regions): Be ready for
12968         removed toplevel regions.
12969         (sjlj_mark_call_sites): Likewise.
12970
12971 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
12972
12973         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
12974         (cygwin tm clause use_gcc_stdint):  Set to wrap.
12975         * config/i386/cygwin-stdint.h:  New file.
12976
12977 2009-04-04  Richard Guenther  <rguenther@suse.de>
12978
12979         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
12980         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
12981         single-argument PHIs if we are in loop-closed SSA form.
12982         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
12983         for the pre-condition.
12984         (slpeel_tree_peel_loop_to_edge): Likewise.
12985         (vect_build_loop_niters): Take an optional sequence to append stmts.
12986         (vect_generate_tmps_on_preheader): Likewise.
12987         (vect_do_peeling_for_loop_bound): Take extra guards for the
12988         pre-condition.
12989         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
12990         the cost model check.
12991         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
12992         guards if we are going to peel.  Do not apply versioning in that case.
12993         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
12994         (vect_do_peeling_for_loop_bound): Likewise.
12995         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
12996         loop bound only record extra pre-conditions, do not apply loop
12997         versioning.
12998
12999 2009-04-04  Richard Guenther  <rguenther@suse.de>
13000
13001         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
13002         renaming code.
13003
13004 2009-04-04  Jan Hubicka  <jh@suse.cz>
13005
13006         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
13007         last_basic_block for size of bb->index indexed array.
13008         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
13009         compute_out, link_btr_uses, build_btr_def_use_webs,
13010         build_btr_def_use_webs, migrate_btr_defs): Likewise.
13011
13012 2009-04-04  Jan Hubicka  <jh@suse.cz>
13013
13014         * except.c (remove_eh_handler_and_replace): Break out from ...
13015         (remove_eh_handler): ... here.
13016         (bring_to_root): New function.
13017         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
13018         handled ones, bring others to root of tree.
13019
13020 2009-04-04  Jan Hubicka  <jh@suse.cz>
13021
13022         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
13023         (all_phis_safe_to_merge): New function.
13024         (update_info): New structure.
13025         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
13026         (cleanup_empty_eh): Update SSA if possible.
13027
13028 2009-04-04  Richard Guenther  <rguenther@suse.de>
13029
13030         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
13031         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
13032         (append_vuse): Likewise.
13033
13034 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
13035
13036         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
13037         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
13038         instead of REG_UNSAVED for DW_CFA_undefined.
13039         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
13040         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
13041         outermost frame.
13042
13043 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
13044
13045         PR target/39501
13046         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
13047         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
13048         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
13049
13050 2009-04-04  Richard Guenther  <rguenther@suse.de>
13051
13052         PR tree-optimization/8781
13053         PR tree-optimization/37892
13054         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
13055         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
13056         (valueize_refs): Call it for *& valueizations.
13057         (shared_reference_ops_from_ref): Rename to ...
13058         (valueize_shared_reference_ops_from_ref): ... this and valueize.
13059         (shared_reference_ops_from_call): Rename to ...
13060         (valueize_shared_reference_ops_from_call): ... this and valueize.
13061         (vn_reference_lookup): Update.
13062         (visit_reference_op_call): Likewise.
13063         * tree-ssa-pre.c (phi_translate_1): Fold *&.
13064         (eliminate): Value-replace the call address in call statements.
13065
13066 2009-04-04  Richard Guenther  <rguenther@suse.de>
13067
13068         PR tree-optimization/39636
13069         * tree-ssa-forwprop.c
13070         (forward_propagate_addr_into_variable_array_index): Check for
13071         GIMPLE_ASSIGN before accessing the rhs code.
13072
13073 2009-04-03  Jason Merrill  <jason@redhat.com>
13074
13075         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
13076
13077 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
13078
13079         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
13080         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
13081         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
13082         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
13083         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
13084         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
13085         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
13086         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
13087         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
13088         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
13089         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
13090         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
13091         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
13092         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
13093         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
13094         Use fr_reg_or_fp01_operand instead of fr_register_operand
13095
13096         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
13097         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
13098         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
13099
13100 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
13101
13102         PR rtl-optimization/39607
13103         PR rtl-optimization/39631
13104
13105         Revert:
13106
13107         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
13108         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
13109         instead of DF_LR_OUT.
13110         * ira-lives.c (process_bb_node_lives): Ditto.
13111         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
13112         instead of DF_LR_{OUT,IN}.
13113         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
13114         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
13115
13116 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
13117
13118         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
13119         (execute_lower_omp): Always run but take the short way out if -fopenmp
13120         is not given.
13121         (gate_lower_omp): Remove, forcing the pass manager to always run the
13122         pass and always set PROP_gimple_lomp.
13123         (pass_lower_omp): Remove gate function.
13124         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
13125         PROP_trees.  Instead, require it.
13126         * ipa-cp.c (pass_ipa_cp): Likewise.
13127         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
13128         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
13129         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
13130         and PROP_gimple_leh.
13131
13132 2009-04-03  Richard Guenther  <rguenther@suse.de>
13133
13134         PR middle-end/13146
13135         PR tree-optimization/23940
13136         PR tree-optimization/33237
13137         PR middle-end/33974
13138         PR middle-end/34093
13139         PR tree-optimization/36201
13140         PR tree-optimization/36230
13141         PR tree-optimization/38049
13142         PR tree-optimization/38207
13143         PR tree-optimization/38230
13144         PR tree-optimization/38301
13145         PR tree-optimization/38585
13146         PR middle-end/38895
13147         PR tree-optimization/38985
13148         PR tree-optimization/39299
13149         * tree-ssa-structalias.h: Remove.
13150         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
13151         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
13152         (struct vuse_element_d): Remove.
13153         (struct vuse_vec_d): Likewise.
13154         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
13155         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
13156         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
13157         VUSE_ELEMENT_VAR): Likewise.
13158         (struct voptype_d): Likewise.
13159         (NUM_VOP_FREE_BUCKETS): Likewise.
13160         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
13161         (struct stmt_operands_d): Remove.
13162         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
13163         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
13164         VDEF_NUM, VDEF_VECT): Likewise.
13165         (copy_virtual_operands): Remove.
13166         (operand_build_cmp): Likewise.
13167         (create_ssa_artificial_load_stmt): Likewise.
13168         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
13169         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
13170         vuse_index and mayuse_index members.  Pack and move done and iter_type
13171         members to the front.
13172         (SSA_OP_VMAYUSE): Remove.
13173         (SSA_OP_VIRTUAL_USES): Adjust.
13174         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
13175         (unlink_stmt_vdef): Declare.
13176         (add_to_addressable_set): Remove.
13177         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
13178         (vrp_visit_stmt): Likewise.
13179         * doc/tree-ssa.texi (Alias analysis): Update.
13180         * doc/invoke.texi (max-aliased-vops): Remove docs.
13181         (avg-aliased-vops): Likewise.
13182         * tree-into-ssa.c (syms_to_rename): Remove.
13183         (need_to_update_vops_p): Likewise.
13184         (need_to_initialize_update_ssa_p): Rename to ...
13185         (update_ssa_initialized_fn): ... this.  Track function we are
13186         initialized for.
13187         (symbol_marked_for_renaming): Simplify.
13188         (add_new_name_mapping): Do not set need_to_update_vops_p.
13189         (dump_currdefs): Use SYMS_TO_RENAME.
13190         (rewrite_update_stmt): Always walk all uses/defs.
13191         (dump_update_ssa): Adjust.
13192         (init_update_ssa): Take function argument.  Track what we are
13193         initialized for.
13194         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
13195         (create_new_def_for): Initialize for cfun, assert we are initialized
13196         for cfun.
13197         (mark_sym_for_renaming): Simplify.
13198         (mark_set_for_renaming): Do not initialize update-ssa.
13199         (need_ssa_update_p): Simplify.  Take function argument.
13200         (name_mappings_registered_p): Assert we ask for the correct function.
13201         (name_registered_for_update_p): Likewise.
13202         (ssa_names_to_replace): Likewise.
13203         (release_ssa_name_after_update_ssa): Likewise.
13204         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
13205         (dump_decl_set): Do not print a newline.
13206         (debug_decl_set): Do it here.
13207         (dump_update_ssa): And here.
13208         * tree-ssa-loop-im.c (move_computations): Adjust.
13209         (movement_possibility): Likewise.
13210         (determine_max_movement): Likewise.
13211         (gather_mem_refs_stmt): Likewise.
13212         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
13213         or NAME_MEMORY_TAG.
13214         * tree-complex.c (update_all_vops): Remove.
13215         (expand_complex_move): Adjust.
13216         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
13217         Simplify test for memory referencing statement.  Exclude
13218         non-invariant ADDR_EXPRs.
13219         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
13220         * tree-loop-distribution.c (generate_memset_zero): Adjust.
13221         (rdg_flag_uses): Likewise.
13222         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
13223         related code.
13224         (tree_optimize_tail_calls_1): Also split the
13225         edge from the entry block if we have degenerate PHI nodes in
13226         the first basic block.
13227         * tree.c (init_ttree): Remove memory-tag related code.
13228         (tree_code_size): Likewise.
13229         (tree_node_structure): Likewise.
13230         (build7_stat): Re-write to be build6_stat.
13231         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
13232         (SSA_VAR_P): Adjust.
13233         (struct tree_memory_tag): Remove.
13234         (struct tree_memory_partition_tag): Likewise.
13235         (union tree_node): Adjust.
13236         (build7): Re-write to be build6.
13237         * tree-pass.h (pass_reset_cc_flags): Remove.
13238         (TODO_update_address_taken): New flag.
13239         (pass_simple_dse): Remove.
13240         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
13241         * params.h (MAX_ALIASED_VOPS): Remove.
13242         (AVG_ALIASED_VOPS): Likewise.
13243         * omp-low.c (expand_omp_taskreg): Update SSA form.
13244         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
13245         aliases the lhs in a copy stmt.
13246         * tree-ssa-dse.c (struct address_walk_data): Remove.
13247         (memory_ssa_name_same): Likewise.
13248         (memory_address_same): Likewise.
13249         (get_kill_of_stmt_lhs): Likewise.
13250         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
13251         unused stores.  Look through PHI nodes into post-dominated regions.
13252         (dse_optimize_stmt): Simplify.  Properly remove stores.
13253         (tree_ssa_dse): Compute dominators.
13254         (execute_simple_dse): Remove.
13255         (pass_simple_dse): Likewise.
13256         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
13257         gimple_loaded_syms and gimple_stored_syms computation.
13258         * toplev.c (dump_memory_report): Dump alias and pta stats.
13259         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
13260         (vn_reference_eq): Likewise.
13261         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
13262         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
13263         valueize_vuses): Remove.
13264         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
13265         (get_def_ref_stmt_vuse): ... this.
13266         (vn_reference_lookup_2): New function.
13267         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
13268         walking equivalent vuses.  Simplify.
13269         (vn_reference_lookup): Likewise.
13270         (vn_reference_insert): Likewise.
13271         (vn_reference_insert_pieces): Likewise.
13272         (visit_reference_op_call): Simplify.
13273         (visit_reference_op_load): Likewise.
13274         (visit_reference_op_store): Likewise.
13275         (init_scc_vn): Remove shared_lookup_vuses initialization.
13276         (free_scc_vn): Remove shared_lookup_vuses freeing.
13277         (sort_vuses, sort_vuses_heap): Remove.
13278         (get_ref_from_reference_ops): Export.
13279         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
13280         vector with single vuse pointer.
13281         (vn_reference_lookup_pieces, vn_reference_lookup,
13282         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
13283         (shared_vuses_from_stmt): Remove.
13284         (get_ref_from_reference_ops): Declare.
13285         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
13286         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
13287         memory-tag related code.
13288         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
13289         (likely_value): Add comment, skip static-chain of call statements.
13290         (surely_varying_stmt_p): Adjust.
13291         (gimplify_and_update_call_from_tree): Likewise.
13292         (execute_fold_all_builtins): Do not rebuild alias info.
13293         (gimplify_and_update_call_from_tree): Properly update VOPs.
13294         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
13295         (copy_ref_info): Remove memory-tag related code.
13296         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
13297         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
13298         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
13299         computation.
13300         * tree-ssa-dom.c (gimple_p): Remove typedef.
13301         (eliminate_redundant_computations): Adjust.
13302         (record_equivalences_from_stmt): Likewise.
13303         (avail_expr_hash): Likewise.
13304         (avail_expr_eq): Likewise.
13305         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
13306         (stmt_makes_single_load): Likewise.
13307         (stmt_makes_single_store): Likewise.
13308         * tree-ssa-alias.c: Rewrite completely.
13309         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
13310         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
13311         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
13312         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
13313         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
13314         Remove public functions.
13315         (pass_reset_cc_flags): Remove.
13316         (pass_build_alias): Move ...
13317         * tree-ssa-structalias.c (pass_build_alias): ... here.
13318         * tree-ssa-alias.c (may_be_aliased): Move ...
13319         * tree-flow-inline.h (may_be_aliased): ... here.
13320         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
13321         count_uses_and_derefs): Move ...
13322         * gimple.c: ... here.
13323         * gimple.h (count_uses_and_derefs): Declare.
13324         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
13325         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
13326         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
13327         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
13328         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
13329         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
13330         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
13331         New functions.
13332         * tree-dfa.c (refs_may_alias_p): Move ...
13333         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
13334         * tree-ssa-alias.h: New file.
13335         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
13336         (statement_sink_location): Likewise.
13337         * opts.c (decode_options): Do not adjust max-aliased-vops or
13338         avg-aliased-vops values.
13339         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
13340         (TV_CALL_CLOBBER): Likewise.
13341         (TV_FLOW_SENSITIVE): Likewise.
13342         (TV_FLOW_INSENSITIVE): Likewise.
13343         (TV_MEMORY_PARTITIONING): Likewise.
13344         (TV_ALIAS_STMT_WALK): New timevar.
13345         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
13346         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
13347         (get_address_description): Remove memory-tag related code.
13348         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
13349         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
13350         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
13351         and immediate uses in statements.  Document.
13352         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
13353         (dump_symbols): Remove.
13354         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
13355         * alias.c (get_deref_alias_set): New function split out from ...
13356         (get_alias_set): ... here.
13357         * alias.h (get_deref_alias_set): Declare.
13358         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
13359         type parameter.  Remove restrict pointer handling.  Create a
13360         ref-all pointer in case type-based alias sets do not conflict.
13361         (vect_analyze_data_refs): Remove SMT related code.
13362         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
13363         (vectorizable_load): Likewise.
13364         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
13365         (DR_SYMBOL_TAG, DR_VOPS): Remove.
13366         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
13367         Ignore vops and SMTs.
13368         (dr_analyze_alias): Likewise..
13369         (free_data_ref): Likewise.
13370         (create_data_ref): Likewise.
13371         (analyze_all_data_dependences): Likewise.
13372         (get_references_in_stmt): Adjust.
13373         * tree-flow-inline.h (gimple_aliases_computed_p,
13374         gimple_addressable_vars, gimple_call_clobbered_vars,
13375         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
13376         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
13377         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
13378         gimple_mem_ref_stats): Remove.
13379         (gimple_vop): New function.
13380         (op_iter_next_use): Remove vuses and mayuses cases.
13381         (op_iter_next_def): Remove vdefs case.
13382         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
13383         (clear_and_done_ssa_iter): Do not set removed fields.
13384         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
13385         Assert we are not iterating over vuses or vdefs if not also
13386         iterating over uses or defs.
13387         (op_iter_init_use): Likewise.
13388         (op_iter_init_def): Likewise.
13389         (op_iter_next_vdef): Remove.
13390         (op_iter_next_mustdef): Likewise.
13391         (op_iter_init_vdef): Likewise.
13392         (compare_ssa_operands_equal): Likewise.
13393         (link_use_stmts_after): Handle vuse operand.
13394         (is_call_used): Use is_call_clobbered.
13395         (is_call_clobbered): Global variables are always call clobbered,
13396         query the call-clobbers bitmap.
13397         (mark_call_clobbered): Ignore global variables.
13398         (clear_call_clobbered): Likewise.
13399         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
13400         virtual operands sanity check.
13401         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
13402         Remove.
13403         (TARGET_MEM_REF): Remove TMR_TAG operand.
13404         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
13405         Remove call-clobber related code.
13406         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
13407         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
13408         partitions or escape reason.
13409         (get_single_def_stmt, get_single_def_stmt_from_phi,
13410         get_single_def_stmt_with_phi): Remove.
13411         (dump_referenced_vars): Tidy.
13412         (get_ref_base_and_extent): Allow bare decls.
13413         (collect_dfa_stats): Adjust.
13414         * graphite.c (rename_variables_in_stmt): Adjust.
13415         (graphite_copy_stmts_from_block): Likewise.
13416         (translate_clast): Likewise.
13417         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
13418         (EXPR_DIES): New.
13419         (translate_vuse_through_block): Use the oracle.
13420         (phi_translate_1): Adjust.
13421         (value_dies_in_block_x): Use the oracle.  Cache the outcome
13422         in EXPR_DIES.
13423         (valid_in_sets): Check if the VUSE for
13424         a REFERENCE is available.
13425         (eliminate): Do not remove stmts during elimination,
13426         instead queue and remove them afterwards.
13427         (do_pre): Do not rebuild alias info.
13428         (pass_pre): Run TODO_rebuild_alias before PRE.
13429         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
13430         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
13431         (mark_all_v_defs_stmt): Remove.
13432         (mark_all_v_defs_seq): Adjust.
13433         (sra_replace): Likewise.
13434         (scalarize_use): Likewise.
13435         (scalarize_copy): Likewise.
13436         (scalarize_init): Likewise.
13437         (scalarize_ldst): Likewise.
13438         (todoflags): Remove.
13439         (tree_sra): Do not rebuild alias info.
13440         (tree_sra_early): Adjust.
13441         (pass_sra): Run TODO_update_address_taken before SRA.
13442         * tree-predcom.c (set_alias_info): Remove.
13443         (prepare_initializers_chain): Do not call it.
13444         (mark_virtual_ops_for_renaming): Adjust.
13445         (mark_virtual_ops_for_renaming_list): Remove.
13446         (initialize_root_vars): Adjust.
13447         (initialize_root_vars_lm): Likewise.
13448         (prepare_initializers_chain): Likewise.
13449         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
13450         (may_propagate_copy_into_stmt): Likewise.
13451         (merge_alias_info): Do nothing for now.
13452         (propagate_tree_value_into_stmt): Adjust.
13453         (stmt_may_generate_copy): Likewise.
13454         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
13455         not mark symbols for renaming.
13456         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
13457         with the same statement, make sure to update the new pointed-to one.
13458         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
13459         call statements, do not mark symbols for renaming.
13460         (mark_operand_necessary): Dump something.
13461         (ref_may_be_aliased): New function.
13462         (mark_aliased_reaching_defs_necessary_1): New helper function.
13463         (mark_aliased_reaching_defs_necessary): Likewise.
13464         (mark_all_reaching_defs_necessary_1): Likewise.
13465         (mark_all_reaching_defs_necessary): Likewise.
13466         (propagate_necessity): Do not process virtual PHIs.  For
13467         non-aliased loads mark all reaching definitions as necessary.
13468         For aliased loads and stores mark the immediate dominating
13469         aliased clobbers as necessary.
13470         (visited): New global static.
13471         (perform_tree_ssa_dce): Free visited bitmap after propagating
13472         necessity.
13473         (remove_dead_phis): Perform simple dead virtual PHI removal.
13474         (remove_dead_stmt): Properly unlink virtual operands when
13475         removing stores.
13476         (eliminate_unnecessary_stmts): Schedule PHI removal after
13477         stmt removal.
13478         * tree-ssa-ter.c (is_replaceable_p): Adjust.
13479         (process_replaceable): Likewise.
13480         (find_replaceable_in_bb): Likewise.
13481         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
13482         based on the single gimple vop.
13483         (verify_flow_insensitive_alias_info): Remove.
13484         (verify_flow_sensitive_alias_info): Likewise.
13485         (verify_call_clobbering): Likewise.
13486         (verify_memory_partitions): Likewise.
13487         (verify_alias_info): Likewise.
13488         (verify_ssa): Adjust..
13489         (execute_update_addresses_taken): Export.  Update SSA
13490         manually.  Optimize only when optimizing.  Use a local bitmap.
13491         (pass_update_address_taken): Remove TODO_update_ssa, add
13492         TODO_dump_func.
13493         (pass_update_address_taken): Just use TODO_update_address_taken.
13494         (init_tree_ssa): Do not initialize addressable_vars.
13495         (verify_ssa): Verify new VUSE / VDEF properties.
13496         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
13497         Do not call verify_alias_info.
13498         (delete_tree_ssa): Clear the VUSE, VDEF operands.
13499         Do not free the loaded and stored syms bitmaps.  Reset the escaped
13500         and callused solutions.  Do not free addressable_vars.
13501         Remove memory-tag related code.
13502         (warn_uninitialized_var): Aliases are always available.
13503         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
13504         * lambda-code.c (can_put_in_inner_loop): Adjust.
13505         (can_put_after_inner_loop): Likewise.
13506         (perfect_nestify): Likewise.
13507         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
13508         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
13509         (vectorizable_conversion): Do not mark symbols for renaming.
13510         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
13511         (expand_call_inline): Unlink the calls virtual operands before
13512         replacing it.
13513         (tree_function_versioning): Do not call update_ssa if we are not
13514         updating clones.  Simplify.
13515         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
13516         (propagate_with_phi): Likewise..
13517         * tree-outof-ssa.c (create_temp): Remove memory tag and call
13518         clobber code.  Assert we are not aliased or global.
13519         * tree-flow.h: Include tree-ssa-alias.h
13520         (enum escape_type): Remove.
13521         (struct mem_sym_stats_d): Likewise.
13522         (struct mem_ref_stats_d): Likewise.
13523         (struct gimple_df): Add vop member.  Remove global_var,
13524         call_clobbered_vars, call_used_vars, addressable_vars,
13525         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
13526         escaped and callused members.
13527         (struct ptr_info_def): Remove all members, add points-to solution
13528         member pt.
13529         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
13530         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
13531         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
13532         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
13533         (tree-ssa-alias.o): Likewise.
13534         (toplev.o): Add tree-ssa-alias.h
13535         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
13536         * gimple.c (gimple_set_bb): Fix off-by-one error.
13537         (is_gimple_reg): Do not handle memory tags.
13538         (gimple_copy): Also copy virtual operands.
13539         Delay updating the statement.  Do not reset loaded and stored syms.
13540         (gimple_set_stored_syms): Remove.
13541         (gimple_set_loaded_syms): Likewise.
13542         (gimple_call_copy_skip_args): Copy the virtual operands
13543         and mark the new statement modified.
13544         * tree-ssa-structalias.c (may_alias_p): Remove.
13545         (set_uids_in_ptset): Take the alias set to prune with as
13546         parameter.  Fold in the alias test of may_alias_p.
13547         (compute_points_to_sets): Compute whether a ptr is dereferenced
13548         in a local sbitmap.
13549         (process_constraint): Deal with &ANYTHING on the lhs, reject all
13550         other ADDRESSOF constraints on the lhs.
13551         (get_constraint_for_component_ref): Assert that we don't get
13552         ADDRESSOF constraints from the base of the reference.
13553         Properly generate UNKNOWN_OFFSET for DEREF if needed.
13554         (struct variable_info): Remove collapsed_to member.
13555         (get_varinfo_fc): Remove.
13556         (new_var_info): Do not set collapsed_to.
13557         (dump_constraint): Do not follow cycles.
13558         (dump_constraint_graph): Likewise.
13559         (build_pred_graph): Likewise.
13560         (build_succ_graph): Likewise.
13561         (rewrite_constraints): Likewise.
13562         (do_simple_structure_copy): Remove.
13563         (do_rhs_deref_structure_copy): Remove.
13564         (do_lhs_deref_structure_copy): Remove.
13565         (collapse_rest_of_var): Remove.
13566         (do_structure_copy): Re-implement.
13567         (pta_stats): New global variable.
13568         (dump_pta_stats): New function.
13569         (struct constraint_expr): Make offset signed.
13570         (UNKNOWN_OFFSET): Define special value.
13571         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
13572         (solution_set_expand): New helper function split out from ...
13573         (do_sd_constraint): ... here.
13574         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
13575         (do_ds_constraint): Likewise.
13576         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
13577         and CALLUSED = *CALLUSED.
13578         (set_union_with_increment): Make inc argument signed.
13579         (type_safe): Remove.
13580         (get_constraint_for_ptr_offset): Handle unknown and negative
13581         constant offsets.
13582         (first_vi_for_offset): Handle offsets before start.  Bail
13583         out early for offsets beyond the variable extent.
13584         (first_or_preceding_vi_for_offset): New function.
13585         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
13586         Together with ESCAPED = *ESCAPED this properly computes reachability.
13587         (find_what_var_points_to): New function.
13588         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
13589         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
13590         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
13591         pt_solutions_intersect): New functions.
13592         (compute_call_used_vars): Remove.
13593         (compute_may_aliases): New main entry into PTA computation.
13594         * gimple.h (gimple_p): New typedef.
13595         (struct gimple_statement_base): Remove references_memory_p.
13596         (struct gimple_statement_with_memory_ops_base): Remove
13597         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
13598         members.
13599         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
13600         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
13601         gimple_set_references_memory): Remove.
13602         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
13603         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
13604         New functions.
13605         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
13606         (verify_expr): Allow RESULT_DECL.
13607         (gimple_duplicate_bb): Do not copy virtual operands.
13608         (gimple_duplicate_sese_region): Adjust.
13609         (gimple_duplicate_sese_tail): Likewise.
13610         (mark_virtual_ops_in_region): Remove.
13611         (move_sese_region_to_fn): Do not call it.
13612         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
13613         and pass_simple_dse.
13614         (execute_function_todo): Handle TODO_update_address_taken,
13615         call execute_update_addresses_taken for TODO_rebuild_alias.
13616         (execute_todo): Adjust.
13617         (execute_one_pass): Init dump files early.
13618         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
13619         call-clobbered.
13620         (create_general_new_stmt): Clear vops.
13621         * tree-ssa-reassoc.c (get_rank): Adjust.
13622         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
13623         symbols for renaming.
13624         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
13625         (PARAM_AVG_ALIASED_VOPS): Likewise.
13626         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
13627         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
13628         * tree-ssa-operands.c: Simplify for new virtual operand representation.
13629         (operand_build_cmp, copy_virtual_operands,
13630         create_ssa_artificial_load_stmt, add_to_addressable_set,
13631         gimple_add_to_addresses_taken): Remove public functions.
13632         (unlink_stmt_vdef): New function.
13633
13634 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
13635
13636         * config.gcc (powerpc-*-linux*): Merge variants.
13637
13638 2009-04-02  Chao-ying Fu  <fu@mips.com>
13639             James Grosbach  <james.grosbach@microchip.com>
13640
13641         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
13642         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
13643         cop0_sp_offset.
13644         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
13645         keep_interrupts_masked_p, use_debug_exception_return_p.
13646         (mips_attribute_table): Add interrupt, use_shadow_register_set,
13647         keep_interrupts_masked, use_debug_exception_return.
13648         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
13649         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
13650         New functions.
13651         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
13652         (mips_print_operand): Process COP0 registers to print $0 .. $31
13653         correctly for GAS to process.
13654         (mips_interrupt_extra_call_saved_reg_p): New function.
13655         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
13656         extra registers.
13657         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
13658         (mips_compute_frame_info): Add supports for interrupt context that
13659         includes doubleword accumulators and COP0 registers.
13660         (mips_for_each_saved_acc): New function.
13661         (mips_for_each_saved_gpr_and_fpr): Change the function name from
13662         mips_for_each_saved_reg.
13663         (mips_save_reg): Save accumulators.
13664         (mips_kernel_reg_p): A new for_each_rtx callback.
13665         (mips_expand_prologue): Support interrupt handlers.
13666         (mips_restore_reg): Restore accumulators.
13667         (mips_expand_epilogue): Support interrupt handlers.
13668         (mips_can_use_return_insn): Return false for interrupt handlers.
13669         (mips_epilogue_uses): New function.
13670         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
13671         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
13672         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
13673         cop0_move): New instructions.
13674         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
13675         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
13676         defines.
13677         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
13678         New defines.
13679         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
13680         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
13681         interrupt handlers, we use K0 as the temporary register.
13682         (EPILOGUE_USES): Change to a function call.
13683         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
13684         handlers, we use K0 as the temporary register.
13685
13686         * doc/extend.texi (Function Attributes): Document interrupt,
13687         use_shadow_register_set, keep_interrupts_masked,
13688         use_debug_exception_return for MIPS attributes.
13689
13690 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
13691
13692         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
13693         Remove a number of t-files from tmake_file.
13694         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
13695         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
13696         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
13697         target_prototype, not TARGET_PROTOTYPE.
13698         (LINK_OS_GNU_SPEC): Define.
13699         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
13700         and darwin-ldoubdle.c.
13701
13702 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
13703
13704         PR driver/39293
13705         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
13706         (cpp_options): Ditto.
13707         (default_compilers): Ditto.
13708         (display_help): Ditto.
13709         (process_command): Ditto.
13710         (do_spec_1): Ditto.
13711         (set_input): Use lbasename instead of duplicate code.
13712         (save_temps_prefix): New static for -save-temps=obj.
13713         (save_temps_length): Ditto.
13714
13715         * doc/invoke.texi (-save-temps=obj): Document new variant to
13716         -save-temps switch.
13717
13718 2009-04-02  Jeff Law  <law@redhat.com>
13719
13720         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
13721         variable.
13722
13723 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
13724
13725         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
13726         * configure: Regenerated.
13727
13728 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
13729
13730         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
13731         share the argument list.
13732
13733 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
13734
13735         Merge
13736
13737         2009-02-12  Diego Novillo  <dnovillo@google.com>
13738
13739         * varpool.c (debug_varpool): New.
13740         * cgraph.h (debug_varpool): Declare.
13741
13742 2009-04-02  Jan Hubicka  <jh@suse.cz>
13743
13744         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
13745         pass.
13746
13747 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
13748
13749         * config/i386/i386.c (ix86_abi): Move initialization to ...
13750         (override_options): Here.
13751
13752 2009-04-02  Christian Bruel  <christian.bruel@st.com>
13753
13754         * config/sh/sh.c (sh_dwarf_register_span): New function.
13755         (TARGET_DWARF_REGISTER_SPAN): Define.
13756         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
13757
13758 2009-04-02  Ira Rosen  <irar@il.ibm.com>
13759
13760         PR tree-optimization/39595
13761         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
13762         interleaved loads group is not  greater than the SLP group size.
13763
13764 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
13765
13766         * builtins.c (is_builtin_name): New.
13767         (called_as_built_in): Use is_builtin_name.
13768         * tree.h (is_builtin_name): New.
13769         * varasm.c (incorporeal_function_p): Use is_builtin_name
13770
13771 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
13772
13773         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
13774
13775 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
13776
13777         PR c++/26693
13778         * c-decl.c (clone_underlying_type): Move this ...
13779         * c-common.c (set_underlying_type): ... here.
13780         Also, make sure the function properly sets TYPE_STUB_DECL() on
13781         the newly created typedef variant type.
13782         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
13783         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
13784         points.
13785
13786 2009-04-02  Richard Guenther  <rguenther@suse.de>
13787
13788         PR tree-optimization/37221
13789         * tree-flow.h (degenerate_phi_result): Declare.
13790         * tree-ssa-dom.c (degenerate_phi_result): Export.
13791         * tree-scalar-evolution.c (analyze_initial_condition): If
13792         the initial condition is defined by a degenerate PHI node
13793         use the degenerate value.
13794
13795 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
13796
13797         PR rtl-optimization/39588
13798         * combine.c (merge_outer_ops): Do not set the constant when this
13799         is not necessary.
13800         (simplify_shift_const_1): Do not modify it either in this case.
13801
13802 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
13803
13804         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
13805         tuning is deprecated if -mtune value is set to an Itanium1 variant.
13806
13807 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
13808
13809         PR c/29027
13810         * c-lex.c (interpret_float): Default (no suffix) is double.
13811
13812 2009-04-1  Xinliang David Li  <davidxl@google.com>
13813
13814         * config/i386/i386.c (legitimate_constant_p): Recognize
13815         all one vector constant.
13816
13817 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
13818
13819         * config/vax/vax.c: Add #includes to silence warnings.
13820         Change #include order to silence two warnings.
13821
13822 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
13823
13824         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
13825         (ASM_SPEC): Pass -k to the assembler for PIC code.
13826
13827 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
13828
13829         * config.gcc: Add vax-*-linux* to the switch.
13830         * config/vax/linux.h: New file. (TARGET_VERSION,
13831         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
13832
13833 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
13834
13835         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
13836         Use predicate macros instead of GET_CODE() == foo.
13837         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
13838         ashlsi3, rotrsi3, <unnamed>): Likewise.
13839
13840 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
13841
13842         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
13843         jbbccihi, jbbccisi): Remova trailing whitespace.
13844         * config/vax/constraints.md: Likewise.
13845         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
13846         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
13847         * config/vax/predicates.md: Likewise.
13848         * config/vax/vax.c (print_operand_address, vax_output_int_move,
13849         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
13850         * config/vax/vax.h: Likewise.
13851         * config/vax/vax.md (nonlocal_goto): Likewise.
13852
13853 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
13854
13855         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
13856         (indirectable_address_p, adjacent_operands_p): Add spaces around
13857         braces.
13858         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
13859
13860 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
13861
13862         * config/vax/vax.c (legitimate_constant_address_p,
13863         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
13864         index_term_p, reg_plus_index_p, legitimate_address_p,
13865         vax_mode_dependent_address_p): Update comments to match functions
13866         modified by the recent int->bool conversion.
13867
13868 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
13869
13870         * config/vax/builtins.md: Update copyright message.
13871         * config/vax/constraints.md: Likewise.
13872         * config/vax/netbsd-elf.h: Likewise.
13873         * config/vax/predicates.md: Likewise.
13874         * config/vax/vax-protos.h: Likewise.
13875         * config/vax/vax.c: Likewise.
13876         * config/vax/vax.h: Likewise.
13877         * config/vax/vax.md: Likewise.
13878         * config/vax/vax.opt: Likewise.
13879
13880 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
13881
13882         * config/vax/builtins.md (ffssi2, ffssi2_internal,
13883         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
13884         * config/vax/constraints.md (B, R): Likewise.
13885         * config/vax/predicates.md (external_memory_operand,
13886         nonimmediate_addsub_di_operand): Likewise.
13887         * config/vax/vax.c (vax_output_int_add): Likewise.
13888         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
13889         untyped_call): Likewise.
13890
13891 2009-04-01  Matt Thomas  <matt@3am-software.com>
13892
13893         * config/vax/predicates.md: New file.
13894         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
13895         external_const_operand, nonsymbolic_operand, external_memory_operand,
13896         indirect_memory_operand, indexed_memory_operand,
13897         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
13898         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
13899         predicate.
13900         * config/vax/constraints.md: New file.
13901         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
13902         New constraint.
13903         * config/vax/builtins.md: New file.
13904         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
13905         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
13906         jbbccisi): Define.
13907         * config/vax/vax.opt (mqmath): Add option.
13908         * config/vax/vax.md (isfx): Extend with DI.
13909         (VAXintQH, VAXintQHSD): Define.
13910         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
13911         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
13912         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
13913         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
13914         (movdi): Update constraints and use vax_output_int_move().
13915         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
13916         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
13917         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
13918         nonlocal_goto): New.
13919         (mov<mode>): Extend accepted operand types.
13920         (subdi3_old): Rename from subdi3, change update constraints and use
13921         a new implementation.
13922         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
13923         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
13924         MOVE_RATIO, CLEAR_RATIO): Define.
13925         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
13926         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13927         (PRINT_OPERAND): Redefine using a function instead of inlined code.
13928         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
13929         (split_quadword_operands): Make static and really allow variable
13930         splitting.
13931         (print_operand_address): Update for PIC generation.
13932         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
13933         indexable_address_p, fixup_mathdi_operand,
13934         vax_expand_addsub_di_operands, adjacent_operands_p): New.
13935         (vax_float_literal, legitimate_constant_p,
13936         indirectable_constant_address_p, index_term_p,
13937         reg_plus_index_p): Return bool instead of int.
13938         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
13939         where needed.
13940         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
13941         generation.
13942         (vax_output_conditional_branch): Indent.
13943         (legitimate_constant_address_p, indirectable_constant_address_p,
13944         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
13945         vax_mode_dependent_address_p): Return bool instead of int, update for
13946         PIC generation.
13947         * config/vax/vax-protos.h (legitimate_constant_address_p,
13948         legitimate_constant_p, legitimate_address_p,
13949         vax_mode_dependent_address_p): Change declaration to bool.
13950         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
13951         vax_expand_addsub_di_operands, vax_output_int_subtract,
13952         vax_output_movmemsi): Declare.
13953         (split_quadword_operands, vax_float_literal): Delete declaration.
13954         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
13955         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
13956         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
13957         ASM_OUTPUT_DWARF_PCREL): Define.
13958         (ASM_SPEC): Change definition to allow PIC generation.
13959
13960 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
13961
13962         * doc/sourcebuild.texi: Update front-end requirements.
13963
13964 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
13965
13966         PR target/39226
13967         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
13968         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
13969         (booldi3_internal3): Use boolean_or_operator instead of
13970         boolean_operator.
13971
13972 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
13973
13974         PR c/39605
13975         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
13976         declarator whose size is not an integer constant expression but
13977         folds to an integer constant, then treat it as a constant
13978         subsequently.
13979
13980 2009-04-01  Richard Guenther  <rguenther@suse.de>
13981
13982         * fold-const.c (fold_plusminus_mult_expr): Do not fold
13983         i * 4 + 2 to (i * 2 + 1) * 2.
13984
13985 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
13986
13987         PR c/37772
13988         * c-parser.c (c_parser_asm_statement): Skip until close paren and
13989         return if c_parser_asm_string_literal returned NULL.
13990
13991 2009-04-01  Nick Clifton  <nickc@redhat.com>
13992
13993         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
13994         already defined.
13995         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
13996         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
13997         other typedefs to avoid conflicts with libgcc2.c.  Define labels
13998         to gain 16-bit bit-manipulation functions from libgcc2.c and then
13999         include it.
14000         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
14001         to gain 16-bit trapping arithmetic functions from libgcc2.c and
14002         then include it.
14003
14004 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
14005
14006         * varasm.c (default_function_rodata_section): Declare DOT as
14007         const char*.
14008
14009 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
14010             Andrey Galkin  <agalkin@hypercom.com>
14011
14012         PR/39492
14013         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
14014         Make object_name unique for each process.
14015
14016 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
14017
14018         PR other/39591
14019         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
14020         addressable variables in the parallel that could go out of scope while
14021         running queued tasks.
14022
14023 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
14024
14025         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
14026         (CASE_VALUES_THRESHOLD): Redefine.
14027         * config/avr/avr.c (avr_override_options): Remove initialization of
14028         avr_case_values_threshold variable.
14029         (avr_case_values_threshold): Remove variable. Add new function.
14030         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
14031         * config/avr/avr.opt (mno-tablejump): Remove option.
14032         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
14033
14034 2009-04-01  DJ Delorie  <dj@redhat.com>
14035
14036         * varasm.c (default_function_rodata_section): Don't assume
14037         anything about where the first '.' in the section name is.
14038
14039 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
14040
14041         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
14042         rs6000_emit_stack_tie.
14043
14044 2009-03-31  Ian Lance Taylor  <iant@google.com>
14045
14046         * tree-eh.c (tree_remove_unreachable_handlers): Compare
14047         gimple_code with GIMPLE_RESX, not RESX.
14048
14049 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
14050
14051         * c-common.c (c_get_ident): New.
14052         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
14053
14054 2009-04-01  Ben Elliston  <bje@au.ibm.com>
14055
14056         * config/rs6000/sysv4.opt (msdata): Improve option description.
14057
14058 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
14059
14060         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
14061         (divdf3_internal_lat): Remove.
14062         (divxf3_internal_lat): Remove.
14063         (divxf3_internal_thr): Remove.
14064         (divxf): Use divxf3_internal.
14065         * config/ia64/div.md (divsf3_internal_lat): New.
14066         (divdf3_internal_lat): New.
14067         (divxf3_internal): New.
14068
14069 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
14070
14071         PR c/448
14072         * Makefile.in (USE_GCC_STDINT): Define.
14073         (stmp-int-hdrs): Install stdint.h if applicable.
14074         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
14075         if known.
14076         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
14077         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
14078         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
14079         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
14080         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
14081         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
14082         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
14083         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
14084         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
14085         (c_common_nodes_and_builtins): Initialize
14086         underlying_wchar_type_node.  Do not initialize
14087         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
14088         nodes for new types.
14089         (c_stddef_cpp_builtins): Define macros for new types.
14090         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
14091         Remove.
14092         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
14093         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
14094         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
14095         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
14096         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
14097         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
14098         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
14099         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
14100         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
14101         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
14102         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
14103         int16_type_node, int32_type_node, int64_type_node,
14104         uint8_type_node, uint16_type_node, c_uint32_type_node,
14105         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
14106         int_least32_type_node, int_least64_type_node,
14107         uint_least8_type_node, uint_least16_type_node,
14108         uint_least32_type_node, uint_least64_type_node,
14109         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
14110         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
14111         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
14112         uintptr_type_node): Define.
14113         * c-cppbuiltin.c (builtin_define_constants,
14114         builtin_define_type_minmax): New.
14115         (builtin_define_stdint_macros): Define more macros.
14116         (c_cpp_builtins): Define more limit macros.
14117         (type_suffix): New.
14118         (builtin_define_type_max): Define in terms of
14119         builtin_define_type_minmax.  Remove is_long parameter.  All
14120         callers changed.
14121         * config.gcc (use_gcc_stdint): Define.
14122         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
14123         Add newlib-stdint.h for generic targets.
14124         * config/glibc-stdint.h, config/newlib-stdint.h,
14125         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
14126         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
14127         * config/score/score.h (UINTPTR_TYPE): Define.
14128         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
14129         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
14130         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
14131         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
14132         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
14133         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
14134         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
14135         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
14136         * config/spu/spu.h (STDINT_LONG32): Define.
14137         * configure.ac (use_gcc_stdint): Substitute.
14138         * configure: Regenerate.
14139         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
14140         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
14141         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
14142         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
14143         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
14144         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
14145         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
14146         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
14147         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
14148         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
14149         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
14150         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
14151         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
14152         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
14153         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
14154         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
14155         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
14156         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
14157         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
14158         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
14159         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
14160         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
14161         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
14162         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
14163         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
14164         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
14165         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
14166         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
14167         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
14168
14169 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
14170
14171         * loop-iv.c (suitable_set_for_replacement): Renamed from
14172         simplify_using_assignment; changed to return bool and to accept new
14173         args DEST and SRC.  Return true iff we find a source/destination pair
14174         that can be used to make a replacement, and fill SRC and DEST if so.
14175         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
14176         changed.
14177         (simplify_using_initial_values): Deal with altered regs here and track
14178         more precisely the effect they have on the validity of our expression.
14179
14180         * loop-iv.c (simplify_using_condition): A condition of the form
14181         (EQ REG CONST) can be used to simply make a substitution.
14182         (simplify_using_initial_values): Keep track of conditions we have seen
14183         and keep using them to simplify new expressions, while applying the
14184         same substitutions to them as to the expression.
14185
14186         * simplify-rtx.c (simplify_relational_operation_1): Simplify
14187         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
14188         GEU/LTU reversed.
14189
14190         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
14191         changed.  Use this when trying to improve the upper bound.
14192         Generate the comparison by using simplify_gen_relational.
14193
14194         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
14195
14196         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
14197         functions.
14198         (simplify_using_assignment, simplify_using_initial_values): Call
14199         replace_in_expr to make replacements.  Call replace_single_def_regs
14200         once on the initial version of the expression.
14201
14202 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
14203
14204         PR target/27237
14205         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
14206
14207 2009-03-31  Richard Guenther  <rguenther@suse.de>
14208
14209         PR middle-end/31029
14210         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
14211         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
14212
14213 2009-03-31  Richard Guenther  <rguenther@suse.de>
14214
14215         * tree.h (div_if_zero_remainder): Declare.
14216         * fold-const.c (div_if_zero_remainder): Export.
14217         * tree-ssa-forwprop.c
14218         (forward_propagate_addr_into_variable_array_index): Handle
14219         constant array index addition outside of the variable index.
14220
14221 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
14222
14223         PR target/39592
14224         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
14225         define_splits, floatunssi<mode>2): Require x87 conversions from
14226         DImode to be permitted.
14227
14228 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
14229
14230         PR preprocessor/15638
14231         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
14232
14233 2009-03-31  Richard Guenther  <rguenther@suse.de>
14234
14235         PR middle-end/23401
14236         PR middle-end/27810
14237         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
14238         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
14239         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
14240         a separate statement.
14241         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
14242         (lookup_tmp_var): Likewise.
14243         (is_gimple_formal_tmp_or_call_rhs): Remove.
14244         (is_gimple_reg_or_call_rhs): Rename to ...
14245         (is_gimple_reg_rhs_or_call): ... this.
14246         (is_gimple_mem_or_call_rhs): Rename to ...
14247         (is_gimple_mem_rhs_or_call): ... this.
14248         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
14249         DECL_GIMPLE_REG_P only if is_formal is true.
14250         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
14251         for non-proper post-modify expression gimplification.
14252         (gimplify_self_mod_expr): For post-modify expressions gimplify
14253         the lvalue to a minimal lvalue.
14254         (rhs_predicate_for): Remove formal temp case.
14255         (gimplify_modify_expr_rhs): Likewise.
14256         (gimplify_addr_expr): Use is_gimple_reg.
14257         (gimplify_expr): Remove formal temp cases.
14258         (gimple_regimplify_operands): Likewise.
14259         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
14260         and FILTER_EXPR like constants.
14261         * gimple.c (walk_gimple_op): Fix val_only initialization, use
14262         is_gimple_reg.
14263         (is_gimple_formal_tmp_rhs): Remove.
14264         (is_gimple_reg_rhs): Remove special casing.
14265         (is_gimple_mem_rhs): Fix.
14266         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
14267         (is_gimple_formal_tmp_var): Remove.
14268         (is_gimple_formal_tmp_reg): Likewise.
14269         (is_gimple_min_lval): Allow invariant component ref parts.
14270         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
14271         is_gimple_formal_tmp_reg): Remove declarations.
14272         * tree-cfg.c (verify_expr): Verify that variables with address
14273         taken do not have DECL_GIMPLE_REG_P set.
14274         * tree-mudflap.c (mf_build_check_statement_for): Use
14275         force_gimple_operand instead of gimplify_expr.
14276
14277 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
14278
14279         * modulo-sched.c (sms_schedule_by_order): Pass the actual
14280         schedulable rows to compute_split_row.
14281
14282 2009-03-31  Ben Elliston  <bje@au.ibm.com>
14283
14284         PR target/31635
14285         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
14286         OPT_mvrsave.
14287
14288 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
14289
14290         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
14291         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
14292         * configure: Regenerate.
14293         * config.in: Regenerate.
14294         * config/rs6000/rs6000.opt (mtls-markers): Add.
14295         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
14296         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
14297         (tls_ld_aix, tls_ld_sysv): Likewise.
14298         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
14299         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
14300
14301 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
14302
14303         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
14304
14305 2009-03-30  Jan Hubicka  <jh@suse.cz>
14306
14307         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
14308         out of RESX.
14309         (tree_remove_unreachable_handlers): Cleanup EH predecestor
14310         detection and label handling.
14311
14312 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
14313
14314         * ira-int.h (ira_allocno): Rename left_conflicts_num to
14315         left_conflicts_size.
14316         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
14317         ALLOCNO_LEFT_CONFLICTS_SIZE.
14318
14319         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
14320         remove_allocno_from_bucket_and_push,
14321         allocno_spill_priority_compare, push_allocnos_to_stack,
14322         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
14323         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
14324         (setup_allocno_left_conflicts_num): Ditto.  Rename to
14325         setup_allocno_left_conflicts_size.
14326         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
14327         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
14328         setup_allocno_left_conflicts_size instead of
14329         setup_allocno_left_conflicts_num.
14330
14331         * ira-build.c (ira_create_allocno): Use
14332         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
14333         ALLOCNO_LEFT_CONFLICTS_NUM.
14334
14335 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
14336
14337         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
14338         instead of DF_LR_OUT.
14339
14340         * ira-lives.c (process_bb_node_lives): Ditto.
14341
14342         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
14343         instead of DF_LR_{OUT,IN}.
14344
14345         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
14346
14347         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
14348
14349 2009-03-30  Jan Hubicka  <jh@suse.cz>
14350
14351         * except.c (label_to_region_map): Fix thinko.
14352
14353 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
14354
14355         PR middle-end/38237
14356         * tree.h (tree_find_value): New declaration.
14357         * tree.c (tree_find_value): New function.
14358         * varasm.c (assemble_external): Avoid duplicate entries on lists.
14359
14360 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
14361
14362         PR debug/39563
14363         * c-decl.c (struct c_binding): Add locus field.
14364         (bind): Add locus argument, set locus field from it.
14365         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
14366         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
14367         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
14368         implicitly_declare, undeclared_variable, lookup_label,
14369         declare_label, c_make_fname_decl, c_builtin_function,
14370         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
14371         bind callers.
14372
14373 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
14374
14375         PR target/38781
14376         * config/i386/i386.c (classify_argument): Check total size of
14377         structure.
14378
14379 2009-03-30  Martin Jambor  <mjambor@suse.cz>
14380
14381         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
14382         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
14383         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
14384         respectively.
14385
14386         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
14387         seen_variable_array_ref while also traversing a union.
14388
14389         * tree-inline.c (optimize_inline_calls): Do not call
14390         cgraph_node_remove_callees.
14391         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
14392         (pass_remove_cgraph_callee_edges): New variable.
14393         * passes.c (init_optimization_passes): Add
14394         pass_remove_cgraph_callee_edges after early inlining and before all
14395         late intraprocedural passes.
14396
14397         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
14398
14399 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
14400
14401         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
14402         Fix typos in names.
14403
14404 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
14405
14406         * combine.c (simplify_comparison): Use have_insn_for.
14407         * dojump.c (do_jump): Likewise.
14408
14409 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
14410
14411         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
14412         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
14413         sparc_compare_op0 like sparc_compare_emitted used to be handled.
14414         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
14415         instead of sparc_compare_emitted.
14416         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
14417         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
14418         instead of sparc_compare_emitted.
14419
14420 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
14421
14422         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
14423         enter/exit cfglayout mode.
14424         (pass_partition_block): Require it.
14425         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
14426         (combine_instructions): Track basic blocks instead of labels.
14427         (update_cfg_for_uncondjump): New.
14428         (try_combine): Use it.  Update jumps after rescanning.
14429         (pass_combine): Require PROP_cfglayout.
14430         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
14431
14432 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
14433
14434         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
14435         Provide/destroy PROP_cfglayout respectively.
14436         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
14437         * tree-pass.h (PROP_cfglayout): New.
14438
14439 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
14440
14441         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
14442         fold_convert_const_fixed_from_fixed,
14443         fold_convert_const_fixed_from_int,
14444         fold_convert_const_fixed_from_real, fold_negate_const): Do not
14445         set TREE_CONSTANT_OVERFLOW.
14446         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
14447         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
14448
14449 2009-03-30  Ira Rosen  <irar@il.ibm.com>
14450
14451         * tree-vect-loop-manip.c: New file.
14452         * tree-vectorizer.c: Update documentation and included files.
14453         (vect_loop_location): Make extern.
14454         (rename_use_op): Move to tree-vect-loop-manip.c
14455         (rename_variables_in_bb, rename_variables_in_loop,
14456         slpeel_update_phis_for_duplicate_loop,
14457         slpeel_update_phi_nodes_for_guard1,
14458         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
14459         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
14460         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
14461         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
14462         find_loop_location): Likewise.
14463         (new_stmt_vec_info): Move to tree-vect-stmts.c.
14464         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
14465         get_vectype_for_scalar_type, vect_is_simple_use,
14466         supportable_widening_operation, supportable_narrowing_operation):
14467         Likewise.
14468         (bb_in_loop_p): Move to tree-vect-loop.c.
14469         (new_loop_vec_info, destroy_loop_vec_info,
14470         reduction_code_for_scalar_code, report_vect_op,
14471         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
14472         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
14473         (vect_supportable_dr_alignment): Likewise.
14474         * tree-vectorizer.h (tree-data-ref.h): Include.
14475         (vect_loop_location): Declare.
14476         Reorganize function declarations according to the new file structure.
14477         * tree-vect-loop.c: New file.
14478         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
14479         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
14480         * tree-vect-data-refs.c: New file.
14481         * tree-vect-patterns.c (timevar.h): Don't include.
14482         * tree-vect-stmts.c: New file.
14483         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
14484         tree-vect-slp.c, tree-vect-loop.c.
14485         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
14486         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
14487         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
14488         (tree-vect-analyze.o): Remove.
14489         (tree-vect-transform.o): Likewise.
14490         (tree-vect-data-refs.o): Add rule.
14491         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
14492         tree-vect-slp.o): Likewise.
14493         (tree-vect-patterns.o): Remove redundant dependencies.
14494         (tree-vectorizer.o): Likewise.
14495         * tree-vect-slp.c: New file.
14496
14497 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14498
14499         * optc-gen.awk: Warn if an option flag has multiple different
14500         help strings.
14501
14502 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
14503
14504         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
14505         -floop-block): Document dependences on PPL, CLooG and Graphite.
14506
14507 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
14508
14509         PR rtl-optimization/323
14510         * c-common.c (c_fully_fold, convert_and_check,
14511         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
14512         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
14513         * c-common.def (EXCESS_PRECISION_EXPR): New.
14514         * c-cppbuiltin.c (builtin_define_float_constants): Define
14515         constants with enough digits for long double.
14516         * c-lex.c (interpret_float): Interpret constant with excess
14517         precision where appropriate.
14518         * c-opts.c (c_common_post_options): Set
14519         flag_excess_precision_cmdline.  Give an error for
14520         -fexcess-precision=standard for C++ for processors where the
14521         option is significant.
14522         * c-parser.c (c_parser_conditional_expression): Handle excess
14523         precision in condition.
14524         * c-typeck.c (convert_arguments): Handle arguments with excess
14525         precision.
14526         (build_unary_op): Move excess precision outside operation.
14527         (build_conditional_expr): Likewise.
14528         (build_compound_expr): Likewise.
14529         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
14530         (build_modify_expr): Handle excess precision in RHS.
14531         (convert_for_assignment): Handle excess precision in converted
14532         value.
14533         (digest_init, output_init_element, process_init_element): Handle
14534         excess precision in initializer.
14535         (c_finish_return): Handle excess precision in return value.
14536         (build_binary_op): Handle excess precision in operands and add
14537         excess precision as needed for operation.
14538         * common.opt (-fexcess-precision=): New option.
14539         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
14540         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
14541         For standard excess precision, output explicit conversion to and
14542         truncation from XFmode.
14543         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
14544         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
14545         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
14546         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
14547         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
14548         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
14549         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
14550         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
14551         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
14552         define_splits, sqrt<mode>2): Disable where appropriate for
14553         standard excess precision.
14554         * convert.c (convert_to_real): Do not shorten arithmetic to type
14555         for which excess precision would be used.
14556         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
14557         * doc/invoke.texi (-fexcess-precision=): Document option.
14558         (-mfpmath=): Correct index entry.
14559         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
14560         flag_excess_precision): New.
14561         * langhooks.c (lhd_post_options): Set
14562         flag_excess_precision_cmdline.
14563         * opts.c (common_handle_option): Handle -fexcess-precision=.
14564         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
14565         init_excess_precision): New.
14566         (lang_dependent_init_target): Call init_excess_precision.
14567         * tree.c (excess_precision_type): New.
14568         * tree.h (excess_precision_type): Declare.
14569
14570 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
14571
14572         PR c/35235
14573         * c-typeck.c (build_component_ref): Do not copy qualifiers from
14574         non-lvalue to component.
14575
14576 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
14577
14578         PR preprocessor/34695
14579         * Makefile.in (c-opts.o): Depend on c-tree.h.
14580         * c-common.c: Move down include of diagnostic.h.
14581         (done_lexing, c_cpp_error): New.
14582         * c-common.h (done_lexing): Declare.
14583         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
14584         (parse_in).
14585         * c-opts.c: Include c-tree.h.
14586         (c_common_init_options): Set preprocessor error callback.
14587         (c_common_handle_option): Do not set preprocessor
14588         inhibit_warnings, warnings_are_errors, warn_system_headers,
14589         pedantic_errors or inhibit_warnings flags.
14590         (c_common_post_options): Do not check cpp_errors (parse_in).
14591         (c_common_finish): Do not output dependencies if there were
14592         errors.  Do not check return value of cpp_finish.
14593         * c-ppoutput.c (pp_file_change): Set input_location.
14594         * c-tree.h (c_cpp_error): Declare.
14595         * diagnostic.c (diagnostic_set_info_translated): Also initialize
14596         override_column.
14597         (diagnostic_build_prefix): Check override_column.
14598         * diagnostic.h (diagnostic_info): Add override_column field.
14599         (diagnostic_override_column): Define.
14600
14601 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
14602
14603         * c-common.c (c_expand_expr, c_staticp): Remove.
14604         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
14605         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
14606         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
14607         * c-gimplify.c (gimplify_compound_literal_expr,
14608         optimize_compound_literals_in_ctor): Remove.
14609         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
14610         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
14611         * c-semantics.c (emit_local_var): Remove.
14612
14613         * langhooks-def.h (lhd_expand_expr): Remove.
14614         * langhooks.c (lhd_expand_expr): Remove.
14615         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
14616
14617         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
14618         handling from c-semantics.c; don't call into langhook.
14619         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
14620         * gimplify.c (gimplify_compound_literal_expr,
14621         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
14622         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
14623         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
14624         as was done in c-gimplify.c.
14625         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
14626         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
14627         Move from c-common.h.
14628         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
14629
14630         * tree.c (staticp): Do not call langhook.
14631         * langhooks.c (lhd_staticp): Delete.
14632         * langhooks-def.h (lhd_staticp): Delete prototype.
14633         (LANG_HOOKS_STATICP): Delete.
14634         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
14635
14636         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
14637         instead of DECL_STMTs.
14638
14639 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
14640
14641         PR c/456
14642         PR c/5675
14643         PR c/19976
14644         PR c/29116
14645         PR c/31871
14646         PR c/35198
14647         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
14648         void_type_node.
14649         (fold_call_expr): Return a NOP_EXPR from folding rather than the
14650         contained expression.
14651         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
14652         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
14653         conditional expressions for C.
14654         (decl_constant_value_for_optimization): Move from
14655         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
14656         whether optimizing and that the expression is a VAR_DECL not of
14657         array type instead of doing such checks in the caller.  Do not
14658         check pedantic.  Call gcc_unreachable for C++.
14659         * c-common.def (C_MAYBE_CONST_EXPR): New.
14660         * c-common.h (c_fully_fold, c_save_expr,
14661         decl_constant_value_for_optimization): New prototypes.
14662         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
14663         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
14664         EXPR_INT_CONST_OPERANDS): Define.
14665         * c-convert.c (convert): Strip nops from expression.
14666         * c-decl.c (groktypename): Take extra parameters expr and
14667         expr_const_operands.  Update call to grokdeclarator.
14668         (start_decl): Update call to grokdeclarator.  Add statement for
14669         expressions used in type of decl.
14670         (grokparm): Update call to grokdeclarator.
14671         (push_parm_decl): Update call to grokdeclarator.
14672         (build_compound_literal): Add parameter non_const and build a
14673         C_MAYBE_COSNT_EXPR if applicable.
14674         (grokdeclarator): Take extra parameters expr and
14675         expr_const_operands.  Track expressions used in declaration
14676         specifiers and declarators.  Fold array sizes and track whether
14677         they are constant expressions and whether they are integer
14678         constant expressions.
14679         (parser_xref_tag): Set expr and expr_const_operands fields in
14680         return value.
14681         (grokfield): Update call to grokdeclarator.
14682         (start_function): Update call to grokdeclarator.
14683         (build_null_declspecs): Set expr and expr_const_operands fields in
14684         return value.
14685         (declspecs_add_type): Handle expressions in typeof specifiers.
14686         * c-parser.c (c_parser_declspecs): Set expr and
14687         expr_const_operands fields for declaration specifiers.
14688         (c_parser_enum_specifier): Likewise.
14689         (c_parser_struct_or_union_specifier): Likewise.
14690         (c_parser_typeof_specifier): Likewise.  Update call to
14691         groktypename.  Fold expression as needed.  Return expressions with
14692         type instead of adding statements.
14693         (c_parser_attributes): Update calls to c_parser_expr_list.
14694         (c_parser_statement_after_labels): Fold expression before passing
14695         to objc_build_throw_stmt.
14696         (c_parser_condition): Fold expression.
14697         (c_parser_asm_operands): Fold expression.
14698         (c_parser_conditional_expression): Use c_save_expr.  Update call
14699         to build_conditional_expr.
14700         (c_parser_alignof_expression): Update call to groktypename.
14701         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
14702         original_code.  Fold expression argument of va_arg.  Create
14703         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
14704         argument to va_arg.  Update calls to groktypename.  Fold array
14705         index for offsetof.  Verify that first argument to
14706         __builtin_choose_expr has integer type.
14707         (c_parser_postfix_expression_after_paren_type): Update calls to
14708         groktypename and build_compound_literal.  Handle expressions with
14709         side effects in type name.
14710         (c_parser_postfix_expression_after_primary): Update call to
14711         c_parser_expr_list.  Set original_code for calls to
14712         __builtin_constant_p.
14713         (c_parser_expr_list): Take extra parameter fold_p.  Fold
14714         expressions if requested.
14715         (c_parser_objc_type_name): Update call to groktypename.
14716         (c_parser_objc_synchronized_statement): Fold expression.
14717         (c_parser_objc_receiver): Fold expression.
14718         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
14719         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
14720         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
14721         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
14722         (struct c_typespec): Add elements expr and expr_const_operands.
14723         (struct c_declspecs): Add elements expr and expr_const_operands.
14724         (groktypename, build_conditional_expr, build_compound_literal):
14725         Update prototypes.
14726         (in_late_binary_op): Declare.
14727         * c-typeck.c (note_integer_operands): New function.
14728         (in_late_binary_op): New variable.
14729         (decl_constant_value_for_broken_optimization): Move to c-common.c
14730         and rename to decl_constant_value_for_optimization.
14731         (default_function_array_conversion): Do not strip nops.
14732         (default_conversion): Do not call
14733         decl_constant_value_for_broken_optimization.
14734         (build_array_ref): Do not fold result.
14735         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
14736         result when operand is a VLA.
14737         (c_expr_sizeof_type): Update call to groktypename.  Handle
14738         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
14739         result when operand names a VLA type.
14740         (build_function_call): Update call to build_compound_literal.
14741         Only fold result for calls to __builtin_* functions.  Strip
14742         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
14743         the function designator.
14744         (convert_arguments): Fold arguments.  Update call to
14745         convert_for_assignment.
14746         (build_unary_op): Handle increment and decrement of
14747         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
14748         decrement earlier.  Fold operand of increment and decrement.
14749         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
14750         built for integer operand.  Wrap returns that are INTEGER_CSTs
14751         without being integer constant expressions or that have integer
14752         constant operands without being INTEGER_CSTs.
14753         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
14754         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
14755         result is an integer constant expression or can be used in
14756         unevaluated parts of one and avoid folding and wrap as
14757         appropriate.  Fold operands before possibly doing -Wsign-compare
14758         warnings.
14759         (build_compound_expr): Wrap result for C99 if operands can be used
14760         in integer constant expressions.
14761         (build_c_cast): Update call to digest_init.  Do not ignore
14762         overflow from casting floating-point constants to integers.  Wrap
14763         results that could be confused with integer constant expressions,
14764         null pointer constants or floating-point constants.
14765         (c_cast_expr): Update call to groktypename.  Handle expressions
14766         included in type name.
14767         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
14768         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
14769         Update calls to convert_for_assignment.
14770         (convert_for_assignment): Take new parameter
14771         null_pointer_constant.  Do not strip nops or call
14772         decl_constant_value_for_broken_optimization.  Set
14773         in_late_binary_op for conversions to boolean.
14774         (store_init_value): Update call to digest_init.
14775         (digest_init): Take new parameter null_pointer_constant.  Do not
14776         call decl_constant_value_for_broken_optimization.  pedwarn for
14777         initializers not constant expressions.  Update calls to
14778         convert_for_assignment.
14779         (constructor_nonconst): New.
14780         (struct constructor_stack): Add nonconst element.
14781         (really_start_incremental_init, push_init_level, pop_init_level):
14782         Handle constructor_nonconst and nonconst element.
14783         (set_init_index): Call constant_expression_warning for array
14784         designators.
14785         (output_init_element): Fold value.  Set constructor_nonconst as
14786         applicable.  pedwarn for initializers not constant expressions.
14787         Update call to digest_init.  Call constant_expression_warning
14788         where constant initializers are required.
14789         (process_init_element): Use c_save_expr.
14790         (c_finish_goto_ptr): Fold expression.
14791         (c_finish_return): Fold return value.  Update call to
14792         convert_for_assignment.
14793         (c_start_case): Fold switch expression.
14794         (c_process_expr_stmt): Fold expression.
14795         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
14796         ensure statement expression is not evaluated in constant expression.
14797         (build_binary_op): Track whether results are integer constant
14798         expressions or may occur in such, disable folding and wrap results
14799         as applicable.  Fold operands for -Wsign-compare warnings unless
14800         in_late_binary_op.
14801         (c_objc_common_truthvalue_conversion): Handle results folded to
14802         integer constants that are not integer constant expressions.
14803         * doc/extend.texi: Document when typeof operands are evaluated,
14804         that condition of __builtin_choose_expr is an integer constant
14805         expression, and more about use of __builtin_constant_p in
14806         initializers.
14807
14808 2009-03-29  Richard Guenther  <rguenther@suse.de>
14809
14810         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
14811         propagate addresses of array references.
14812
14813 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
14814
14815         * regmove.c (perhaps_ends_bb_p): Remove.
14816         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
14817         from INSN and check that the main loop stays within that basic block.
14818         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
14819         (regmove_forward_pass): Split out from regmove_optimize.  Use
14820         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
14821         (regmove_backward_pass): Split out from regmove_optimize.  Use
14822         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
14823         (regmove_optimize): Simplify.
14824
14825 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
14826
14827         PR target/39545
14828         * config/i386/i386.c (classify_argument): Ignore flexible array
14829         member in struct and warn ABI change.
14830
14831 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
14832
14833         * config/i386/i386-protos.h (ix86_agi_dependent): New.
14834
14835         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
14836         (ix86_adjust_cost): Updated.
14837
14838 2009-03-29  Jan Hubicka  <jh@suse.cz>
14839
14840         PR middle-end/28850
14841         * tree-pass.h (pass_cleanup_eh): New function.
14842         (remove_unreachable_regions): Break code handling RTL
14843         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
14844         that can not be reached by runtime.
14845         (can_be_reached_by_runtime): New function.
14846         (label_to_region_map): New function.
14847         (num_eh_regions): New function.
14848         (rtl_remove_unreachable_regions): New function.
14849         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
14850         (remove_eh_region): New function.
14851         * except.h: Include sbitmap and vecprim.
14852         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
14853         num_eh_regions): Declare.
14854         * passes.c (init_optimization_passes): Schedule cleanup_eh.
14855         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
14856         * tree-eh.c (tree_remove_unreachable_handlers): New function.
14857         (tree_empty_eh_handler_p): New function.
14858         (cleanup_empty_eh): New function.
14859         (cleanup_eh): New function.
14860         (pass_cleanup_eh): New function.
14861
14862 2009-03-29  Jan Hubicka  <jh@suse.cz>
14863
14864         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
14865         for removed regions.
14866
14867 2009-03-29  Jan Hubicka  <jh@suse.cz>
14868
14869         * except.c (dump_eh_tree): Dump all datastructures.
14870
14871 2009-03-29  Jan Hubicka  <jh@suse.cz>
14872
14873         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
14874         (duplicate_eh_regions_1): Likewise.
14875         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
14876         vector; call EH verification.
14877         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
14878         Be ready for region being removed.
14879
14880 2009-03-29  Jan Hubicka  <jh@suse.cz>
14881
14882         * bitmap.c (bitmap_last_set_bit): New function.
14883         * bitmap.h (bitmap_last_set_bit): Declare.
14884
14885 2009-03-29  David Ayers  <ayers@fsfe.org>
14886
14887         PR objc/27377
14888         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
14889         by calling objc_compare_types and surpress warnings about
14890         incompatible C pointers that are compatible ObjC pointers.
14891
14892 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
14893
14894         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
14895         call initialize_inline_failed.
14896         (initialize_inline_failed): Move it from here ...
14897         * cgraph.c (initialize_inline_failed): ... to here.
14898         (cgraph_create_edge): Call initialize_inline_failed rather than
14899         setting inline_failed directly.
14900
14901 2009-03-29  Ben Elliston  <bje@au.ibm.com>
14902
14903         PR target/32542
14904         * sysv4.opt (msdata): Improve comment.
14905         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
14906         * sysv4.h (SVR4_ASM_SPEC): Likewise.
14907
14908 2009-03-29  Ben Elliston  <bje@au.ibm.com>
14909
14910         PR target/30451
14911         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
14912         load and store attributes.
14913
14914 2009-03-29  Ben Elliston  <bje@au.ibm.com>
14915
14916         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
14917         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
14918         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
14919         * doc/extend.texi (X86 Built-in Functions): Add index entries for
14920         __builtin_infq and __builtin_huge_valq.
14921
14922 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
14923
14924         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
14925         atmega8m1 devices.
14926         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
14927         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
14928
14929 2009-03-28  Xinliang David Li  <davidxl@google.com>
14930
14931         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
14932         (do_dbg_cnt): New function.
14933
14934 2009-03-28  Jan Hubicka  <jh@suse.cz>
14935
14936         Merge from pretty-ipa:
14937
14938         2009-03-27  Jan Hubicka  <jh@suse.cz>
14939
14940         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
14941         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
14942         * passes.c (function_called_by_processed_nodes_p): New.
14943         * ipa-pure-const.c (check_call): Fix handling of operands.
14944         (analyze_function): Dump debug output for skipped bodies.
14945         (local_pure_const): Use function_called_by_processed_nodes_p.
14946         * dwarf2out.c (reference_to_unused): Use output.
14947         * passes.c (do_per_function_toporder): Likewise.
14948
14949         2008-11-12  Jan Hubicka  <jh@suse.cz>
14950
14951         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
14952         * ipa-pure-const.c (funct_state_d): Add can throw field; make
14953         state_set_in_source enum
14954         (check_decl): Ignore memory tags; do not set fake looping flags;
14955         dump diagnostics.
14956         (check_operand, check_tree, check_rhs_var, check_lhs_var,
14957         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
14958         (check_call, analyze_function): Rewrite.
14959         (check_stmt): New.
14960         (add_new_function): Update call of analyze_function.
14961         (generate_summary): Add call of analyze_function.
14962         (propagate): Propagate can_throw; handle state_set_in_source correctly.
14963         (local_pure_const): New function.
14964         (pass_local_pure_const): New pass.
14965         * ipa-inline.c (inline_transform): Set after_inlining.
14966         * tree-eh.c (stmt_can_throw_external): New.
14967         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
14968         work with aliasing built.
14969         * tree-flow.h (stmt_can_throw_external): New.
14970         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
14971         and local pure/const pass in early and late optimization queue.
14972
14973 2009-03-28  Martin Jambor  <mjambor@suse.cz>
14974
14975         * fold-const.c (get_pointer_modulus_and_residue): New parameter
14976         allow_func_align.
14977         (fold_binary): Allow function decl aligment consideration is the
14978         second argument is integer constant one.
14979         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
14980         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
14981         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
14982
14983 2009-03-28  Jan Hubicka  <jh@suse.cz>
14984
14985         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
14986         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
14987         * function.h (rtl_data): Add nothrow flag.
14988         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
14989         set DECL_NOTHROW for AVAILABLE functions.
14990
14991 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
14992
14993         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
14994         following vector keyword has expansion starting with pixel or bool
14995         keyword, expand vector to __vector and pixel or bool to __pixel or
14996         __bool.
14997
14998         PR c++/39554
14999         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
15000         warn_if_disallowed_function_p): Removed.
15001         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
15002         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
15003         warning_if_disallowed_function_p.
15004         * flags.h (warn_if_disallowed_function_p,
15005         warn_disallowed_functions): Removed.
15006         * common.opt (Wdisallowed-function-list=): Removed.
15007         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
15008
15009 2009-03-28  Richard Guenther  <rguenther@suse.de>
15010
15011         PR tree-optimization/38723
15012         * tree-ssa-pre.c (compute_avail): Add all default definitions to
15013         the entry block.
15014
15015 2009-03-28  Jan Hubicka  <jh@suse.cz>
15016
15017         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
15018         test introduced by my previous patch.
15019
15020 2009-03-28  Richard Guenther  <rguenther@suse.de>
15021
15022         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
15023         the PHIs value undefined.
15024
15025 2009-03-28  Jan Hubicka  <jh@suse.cz>
15026
15027         * tree-pass.h (pass_fixup_cfg): New pass.
15028         * ipa-inline.c (inline_transform): Set
15029         always_inline_functions_inlined/after_inlining.
15030         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
15031         (pass_fixup_cfg): New pass.
15032         * passes.c (init_optimization_passes): Add fixup_cfg.
15033
15034 2009-03-28  Richard Guenther  <rguenther@suse.de>
15035
15036         PR tree-optimization/38458
15037         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
15038         argument use the arguments copy-of value.
15039
15040 2009-03-28  Richard Guenther  <rguenther@suse.de>
15041
15042         PR tree-optimization/38180
15043         * tree-ssa-ccp.c (get_default_value): Simplify.
15044         (likely_value): Likewise.
15045         (surely_varying_stmt_p): Properly handle VOP case.
15046         (ccp_initialize): Likewise.
15047         (ccp_fold): Handle propagating through *&.
15048         (fold_const_aggregate_ref): Also handle decls.
15049
15050 2009-03-28  Jan Hubicka  <jh@suse.cz>
15051
15052         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
15053         * cgraph.h (cgraph_node): Likewise.
15054         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
15055         (cgraph_reset_node): Use process flag.
15056         (cgraph_mark_functions_to_output): Likewise.
15057         (cgraph_expand_function): Likewise.
15058         (cgraph_expand_all_functions): Likewise.
15059         (cgraph_output_in_order): Likewise.
15060         * dwarf2out.c (reference_to_unused): Likewise.
15061         * passes.c do_per_function_toporder): Likewise.
15062
15063 2009-03-28  Jan Hubicka  <jh@suse.cz>
15064
15065         Bring from lto-branch:
15066
15067         2008-09-03  Doug Kwan  <dougkwan@google.com>
15068
15069         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
15070         enums instead of reason strings.
15071         * cgraph.c (cgraph_create_edge): Same.
15072         (cgraph_inline_failed_string): New function.
15073         * cgraph.h (cgraph_inline_failed_t): New enum type.
15074         (cgraph_inline_failed_string): New prototype.
15075         (struct cgraph_edge): Change type of INLINED_FAILED from constant
15076         char pointer to cgraph_inline_failed_t.
15077         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
15078         (cgraph_default_inline_p): Ditto.
15079         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
15080         to cgraph_inline_failed_t pointer.
15081         * cif-code.def: New file.
15082         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
15083         reason string.
15084         (cgraph_check_inline_limits): Change type of REASON to pointer to
15085         cgraph_inline_failed_t.  Replace reason strings with enums.
15086         (cgraph_default_inline_p): Ditto.
15087         (cgraph_recursive_inlining_p): Ditto.
15088         (update_caller_keys): Change type of FAILED_REASON to
15089         cgraph_inline_failed_t.
15090         (cgraph_set_inline_failed): Change type of REASON to pointer to
15091         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
15092         convert enums to strings for text output.
15093         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
15094         to be of type cgraph_inline_failed_t.  Replace reason strings with
15095         enums.  Call cgraph_inline_failed_string to covert enums
15096         to strings for text output.
15097         (cgraph_decide_inlining): Replace reason strings with enums.
15098         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
15099         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
15100         for text output.
15101         * tree-inline.c (expand_call_inline): Change type of REASON
15102         to cgraph_inline_failed_t.  Replace reason strings with enums.
15103         Call cgraph_inline_failed_string for text output.
15104         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
15105         (cgraph.o): Ditto.
15106
15107 2009-03-28  Jan Hubicka  <jh@suse.cz>
15108
15109         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
15110         cgraph_clone_node): Remove master clone handling.
15111         (cgraph_is_master_clone, cgraph_master_clone): Remove.
15112         * cgraph.h (master_clone): Remove.
15113         (cgraph_is_master_clone, cgraph_master_clone): Remove.
15114         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
15115         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
15116
15117 2009-03-28  Jan Hubicka  <jh@suse.cz>
15118
15119         * cgraph.c (cgraph_function_body_availability): Functions declared
15120         inline are always safe to assume that it is not going to be replaced.
15121
15122 2009-03-28  Richard Guenther  <rguenther@suse.de>
15123
15124         PR tree-optimization/38513
15125         * tree-ssa-pre.c (eliminate): Remove redundant stores.
15126         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
15127         EXC_PTR_EXPR and FILTER_EXPR.
15128         (get_ref_from_reference_ops): Likewise.
15129
15130 2009-03-28  Richard Guenther  <rguenther@suse.de>
15131
15132         PR tree-optimization/38968
15133         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
15134         Use FLOOR_MOD_EXPR to compute misalignment.
15135
15136 2009-03-28  Richard Guenther  <rguenther@suse.de>
15137
15138         PR tree-optimization/37795
15139         * tree.h (combine_comparisons): Declare.
15140         * fold-const.c (combine_comparisons): Export.
15141         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
15142         comparisons.
15143         (ifcombine_iforif): Use combine_comparisons.
15144
15145 2009-03-28  Jan Hubicka  <jh@suse.cz>
15146
15147         * tree-eh.c (inlinable_call_p): New function.
15148         (make_eh_edges): Use it.
15149         (verify_eh_edges): Use it.
15150         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
15151         * except.c (reachable_next_level): Add inlinable_function argument
15152         (sjlj_find_directly_reachable_regions): Update.
15153         (add_reachable_handler): Do not set saw_any_handlers.
15154         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
15155         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
15156         Add new inlinable call parameter.
15157         (can_throw_internal, can_throw_external): Update.
15158         * except.h (can_throw_internal_1, can_throw_external_1,
15159         foreach_reachable_handler): Update declaration.
15160
15161 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
15162
15163         * config/arm/t-arm-coff, config/h8300/coff.h,
15164         config/i386/i386-aout.h, config/i386/i386-coff.h,
15165         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
15166         config/pdp11/2bsd.h, config/rs6000/aix41.h,
15167         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
15168         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
15169         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
15170         sys-types.h: Remove.
15171         * Makefile.in: Remove protoize and fixproto support and references
15172         in comments.
15173         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
15174         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
15175         Remove.
15176         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
15177         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
15178         unprotoize$(exeext).
15179         (rest.encap): Don't depend on $(STMP_FIXPROTO)
15180         (.PHONY): Don't depend on proto.
15181         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
15182         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
15183         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
15184         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
15185         build/gen-protos.o, build/scan.o, xsys-protos.h,
15186         build/fix-header$(build_exeext), build/fix-header.o,
15187         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
15188         stmp-install-fixproto): Remove.
15189         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
15190         SYSCALLS.c or fixproto files.
15191         (install-common): Don't install protoize.
15192         (install-headers-tar, install-headers-cpio, install-headers-cp):
15193         Don't depend on $(STMP_FIXPROTO).
15194         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
15195         install fixproto files or write out fixproto settings.
15196         (uninstall): Don't uninstall protoize.
15197         * config.gcc (use_fixproto): Remove.
15198         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
15199         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
15200         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
15201         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
15202         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
15203         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
15204         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
15205         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
15206         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
15207         * config/t-vxworks (STMP_FIXPROTO): Remove.
15208         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
15209         STMP_FIXPROTO): Remove.
15210         * config.in, configure: Regenerate.
15211         * crtstuff.c (gid_t, uid_t): Don't undefine.
15212         * doc/install.texi: Change m68k-coff to m68k-elf in example.
15213         (arm-*-coff, arm-*-aout: Remove target entries.
15214         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
15215         Remove mention of AIX 4.1.
15216         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
15217         * doc/invoke.texi (Running Protoize): Remove.
15218         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
15219         (Protoize Caveats): Remove.
15220         * tsystem.h: Update comments on headers assumed to exist.
15221
15222 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
15223
15224         * genautomata.c: Add a new year to the copyright.  Add a new
15225         reference.
15226         (struct insn_reserv_decl): Add comments for member bypass_list.
15227         (find_bypass): Remove.
15228         (insert_bypass): New.
15229         (process_decls): Use insert_bypass.
15230         (output_internal_insn_latency_func): Output all bypasses with the
15231         same input insn in one switch case.
15232
15233         * rtl.def (define_bypass): Describe bypass choice.
15234         * doc/md.texi (define_bypass): Ditto.
15235
15236 2009-03-27  Richard Guenther  <rguenther@suse.de>
15237
15238         * gimplify.c (mark_addressable): Export.
15239         * tree-flow.h (mark_addressable): Declare.
15240         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
15241         * tree-ssa.c (verify_phi_args): Verify that address taken
15242         variables have TREE_ADDRESSABLE set.
15243
15244 2009-03-27  Richard Guenther  <rguenther@suse.de>
15245
15246         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
15247         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
15248         Do not mark decls TREE_ADDRESSABLE.
15249         (build_fold_addr_expr): Adjust.
15250         (fold_addr_expr): Remove.
15251         (fold_unary): Use build_fold_addr_expr.
15252         (fold_comparison): Likewise.
15253         (split_address_to_core_and_offset): Likewise.
15254         * coverage.c (tree_coverage_counter_addr): Mark the array decl
15255         TREE_ADDRESSABLE.
15256         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
15257         (gimplify_modify_expr_to_memcpy): Mark source and destination
15258         addressable.
15259         * omp-low.c (create_omp_child_function): Mark the object decl
15260         TREE_ADDRESSABLE.
15261         (lower_rec_input_clauses): Mark the var we take the address of
15262         TREE_ADDRESSABLE.
15263         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
15264
15265 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
15266
15267         PR middle-end/39315
15268         * cfgexpand.c (expand_one_stack_var_at): Change alignment
15269         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
15270
15271 2009-03-27  Richard Guenther  <rguenther@suse.de>
15272
15273         PR tree-optimization/39120
15274         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
15275         constraints.
15276         (handle_lhs_call): Process return constraints.  Add escape
15277         constraints if necessary.
15278         (handle_const_call): Fill out return constraints.  Make nested
15279         case more precise.  Avoid consttmp if possible.
15280         (handle_pure_call): Fill out return constraints.  Avoid
15281         callused if possible.
15282         (find_func_aliases): Simplify call handling.
15283
15284 2009-03-27  Richard Guenther  <rguenther@suse.de>
15285
15286         PR tree-optimization/39120
15287         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
15288         as a representative.
15289         (solve_graph): Do propagate CALLUSED.
15290         (handle_pure_call): Use a scalar constraint from CALLUSED for
15291         the return value.
15292         (find_what_p_points_to): CALLUSED shall not appear in poins-to
15293         solutions.
15294
15295 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
15296
15297         PR c/39323
15298         * c-common.c (handle_aligned_attribute): Properly check alignment
15299         overflow.  Use (1U << i) instead of (1 << i).
15300
15301         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
15302
15303         * expr.h (get_mem_align_offset): Updated.
15304
15305         * tree.h (tree_decl_common): Change align to "unsigned int" and
15306         move it before pointer_alias_set.
15307
15308 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
15309             Jakub Jelinek  <jakub@redhat.com>
15310
15311         PR target/38034
15312         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
15313         gr_register_operand with gr_reg_or_0_operand.
15314         (cmpxchg_rel_di): Likewise.
15315         (sync_lock_test_and_set<mode>): Likewise.
15316
15317 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
15318
15319         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
15320         (true_regnum): Likewise.
15321
15322         * rtlanal.c (subreg_info): Moved to ...
15323         * rtl.h (subreg_info): Here.  New.
15324         (subreg_get_info): New.
15325
15326         * rtlanal.c (subreg_get_info): Make it extern.
15327
15328 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
15329
15330         PR target/39472
15331         * config/i386/i386.c (ix86_abi): New.
15332         (override_options): Handle -mabi=.
15333         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
15334         (ix86_call_abi_override): Likewise.
15335         (init_cumulative_args): Likewise.
15336         (function_arg_advance): Likewise.
15337         (function_arg_64): Likewise.
15338         (function_arg): Likewise.
15339         (ix86_pass_by_reference): Likewise.
15340         (ix86_function_value_regno_p): Likewise.
15341         (ix86_build_builtin_va_list_abi): Likewise.
15342         (setup_incoming_varargs_64): Likewise.
15343         (is_va_list_char_pointer): Likewise.
15344         (ix86_init_machine_status): Likewise.
15345         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
15346         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
15347         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
15348         (ix86_function_abi): Make it static and return enum calling_abi.
15349         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
15350         with ix86_abi.
15351         (ix86_fn_abi_va_list): Updated.
15352
15353         * config/i386/i386.h (ix86_abi): New.
15354         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
15355         (CONDITIONAL_REGISTER_USAGE): Likewise.
15356         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
15357         (machine_function): Likewise.
15358
15359         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
15360         with ix86_abi.
15361         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
15362         (STACK_BOUNDARY): Likewise.
15363         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
15364
15365         * config/i386/i386.opt (mabi=): New.
15366
15367         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
15368         return enum calling_abi.
15369         (ix86_function_type_abi): Likewise.
15370         (ix86_function_abi): Removed.
15371
15372         * doc/invoke.texi: Document -mabi= option for x86.
15373
15374 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15375
15376         * builtins.c (real_dconstp): Delete.
15377         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
15378
15379 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
15380             Jakub Jelinek  <jakub@redhat.com>
15381
15382         PR debug/37959
15383         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
15384         (gen_subprogram_die): When a function is explicit, generate the
15385         DW_AT_explicit attribute.
15386         * langhooks.h (struct lang_hooks_for_decls): Add
15387         function_decl_explicit_p langhook.
15388         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
15389         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
15390
15391 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
15392
15393         * builtins.c (fold_builtin_memory_op): Optimize memmove
15394         into memcpy if we can prove source and destination don't overlap.
15395
15396         * tree-inline.c: Include gt-tree-inline.h.
15397         (clone_fn_id_num): New variable.
15398         (clone_function_name): New function.
15399         (tree_function_versioning): Use it.
15400         * Makefile.in (GTFILES): Add tree-inline.c.
15401
15402 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
15403
15404         * BASE-VER: Change to 4.5.0.
15405
15406 2009-03-27  Xinliang David Li  <davidxl@google.com>
15407
15408         PR tree-optimization/39557
15409         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
15410
15411 2009-03-27  Xinliang David Li  <davidxl@google.com>
15412
15413         PR tree-optimization/39548
15414         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
15415         candidate check.
15416
15417 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
15418
15419         * c-common.c (pointer_int_sum): Use %wd on return from
15420         tree_low_cst.
15421
15422 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
15423
15424         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
15425         on return from tree_low_cst.
15426
15427 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15428
15429         PR c++/36799
15430         * ginclude/stdarg.h (va_copy): Define also for
15431         __GXX_EXPERIMENTAL_CXX0X__.
15432
15433 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15434
15435         PR c++/35652
15436         * builtins.h (c_strlen): Do not warn here.
15437         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
15438         * c-common.c (pointer_int_sum): Take an explicit location.
15439         Warn about offsets out of bounds.
15440         * c-common.h (pointer_int_sum): Adjust declaration.
15441
15442 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
15443
15444         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
15445         markup glitch.
15446
15447 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
15448
15449         PR c++/39554
15450         * opts.c (warn_if_disallowed_function_p): Don't assume
15451         get_callee_fndecl must return non-NULL.
15452
15453 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
15454
15455         PR rtl-optimization/39522
15456         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
15457         when reg_reloaded_valid is set.
15458
15459 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
15460
15461         * config/spu/divv2df3.c: New file.
15462         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
15463         (DPBIT_FUNCS): Filter out _div_df.
15464
15465 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
15466
15467         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
15468         a jump insn, count that jump in the distance to the loop start.
15469
15470 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
15471
15472         PR target/39523
15473         * config/sh/sh.c (calc_live_regs): Fix condition for global
15474         registers except PIC_OFFSET_TABLE_REGNUM.
15475
15476 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
15477
15478         PR/39518
15479         * doc/invoke.texi (-mconsole): New.
15480         (-mcygwin): New.
15481         (-mno-cygwin): New.
15482         (-mdll): New.
15483         (-mnop-fun-dllimport): New.
15484         (-mthread): New.
15485         (-mwin32): New.
15486         (-mwindows): New.
15487         (sub section "i386 and x86-64 Windows Options"): New.
15488
15489 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
15490
15491         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
15492         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
15493
15494 2009-03-25  Richard Guenther  <rguenther@suse.de>
15495
15496         PR middle-end/39497
15497         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
15498         of -Wno-error.
15499
15500 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
15501
15502         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
15503         neither of haifa/selective schedulers are working.
15504
15505 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
15506
15507         * doc/invoke.texi (Debugging Options): Fix description of
15508         -fno-merge-debug-strings.
15509
15510 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
15511
15512         * config/cris/libgcc.ver: New version-script.
15513         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
15514
15515         * configure.ac <GAS features, nop mnemonic>: Add pattern
15516         crisv32-*-* for "nop".
15517         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
15518         * configure: Regenerate.
15519
15520 2009-03-24  Ira Rosen  <irar@il.ibm.com>
15521
15522         PR tree-optimization/39529
15523         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
15524         mark_sym_for_renaming for the tag copied to the new vector
15525         pointer.
15526
15527 2009-03-24  Arthur Loiret  <aloiret@debian.org>
15528
15529         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
15530         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
15531         EXTRA_SPEC_FUNCTIONS.
15532         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
15533         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
15534         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
15535         -march and -mtune options.
15536
15537 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
15538
15539         * config/m68k/t-rtems: Add m5329 multilib.
15540
15541 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
15542             Jakub Jelinek  <jakub@redhat.com>
15543
15544         PR debug/39524
15545         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
15546         nodes.
15547
15548 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
15549
15550         PR c/39495
15551         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
15552         instead of c_parser_expression_conv, if original_code isn't one of the
15553         4 allowed comparison codes, fail.
15554
15555 2009-03-23  Richard Guenther  <rguenther@suse.de>
15556
15557         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
15558         * tree.h (struct tree_type): Likewise.
15559         * reload.h (struct insn_chain): Likewise.
15560         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
15561         * function.h (struct function): Likewise.
15562         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
15563
15564 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
15565
15566         PR tree-optimization/39516
15567         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
15568
15569 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
15570
15571         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
15572         should be set true if BITS_PER_WORD of target is bigger than 32
15573
15574 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
15575
15576         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
15577         Translate -B-options to -rpath-link.  Correct existing
15578         rpath-link and conditionalize on !nostdlib.
15579
15580 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
15581
15582         * doc/extend.texi (Function Attributes, Variable Attributes):
15583         Fix typos.
15584         * doc/invoke.texi (Debugging Options, Optimize Options)
15585         (i386 and x86-64 Options, MCore Options): Likewise.
15586
15587 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
15588
15589         PR debug/37890
15590         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
15591         it for block local namespace aliases.
15592         (gen_decl_die): Pass context_die to gen_namespace_die.
15593
15594 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
15595
15596         PR c/39495
15597         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
15598         minimum or maximum value.
15599
15600 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
15601
15602         * reginfo.c (globalize_reg): Recompute derived reg sets.
15603
15604 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
15605
15606         PR target/39063
15607         * libgcc2.c (mprotect): Do not use signed arguments for
15608         VirtualProtect, use DWORD arguments.  Also fix the 'may
15609         be used uninitialized' warning for the np variable.
15610
15611 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
15612
15613         PR target/39496
15614         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
15615         functions using regparm calling conventions when not optimizing.
15616         (ix86_function_sseregparm): Similarly for sseregparm calling
15617         conventions.
15618
15619 2009-03-19  Li Feng  <nemokingdom@gmail.com>
15620
15621         PR middle-end/39500
15622         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
15623         dependence if the first conflict is after niter iterations.
15624
15625 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
15626
15627         PR middle-end/38609
15628         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
15629         functions with dynamic stack-pointer adjustments.
15630
15631 2009-03-19  Ben Elliston  <bje@au.ibm.com>
15632
15633         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
15634         option; change to -msdata=data.
15635
15636 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
15637
15638         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
15639         and -fopenmp.
15640
15641 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
15642
15643         PR target/35180
15644         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
15645
15646 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
15647
15648         * doc/invoke.texi (Code Gen Options): Expand discussion of
15649         -fno-common.
15650
15651 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
15652
15653         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
15654         * matrix-reorg.c (struct matrix_info): Likewise.
15655         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
15656         * rtl.h (struct mem_attrs): Likewise.
15657         * df.h (struct df): Likewise.
15658         * tree-data-ref.h (struct data_dependence_relation): Likewise.
15659         * ira-int.h (struct ira_allocno): Likewise.
15660         * df-scan.c (struct df_collection_rec): Likewise.
15661         * ira.c (struct equivalence): Likewise.
15662         * function.c (struct temp_slot): Likewise.
15663         * cfgloop.h (struct loop): Likewise.
15664
15665         PR debug/39485
15666         * function.c (use_register_for_decl): When not optimizing, disregard
15667         register keyword for variables with types containing methods.
15668
15669 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
15670
15671         PR middle-end/39447
15672         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
15673         (is_simple_operand): Call contains_component_ref_p before calling data
15674         reference analysis that would fail on COMPONENT_REFs.
15675
15676         * tree-vrp.c (search_for_addr_array): Fix formatting.
15677
15678 2009-03-18  Richard Guenther  <rguenther@suse.de>
15679
15680         * tree-vect-transform.c (vect_loop_versioning): Fold the
15681         generated comparisons.
15682         * tree-vectorizer.c (set_prologue_iterations): Likewise.
15683         (slpeel_tree_peel_loop_to_edge): Likewise.
15684
15685 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
15686
15687         PR middle-end/37805
15688         * opts.c (print_specific_help): In addition to `undocumented',
15689         accept `separate' and `joined' flags if passed alone.  Describe
15690         output by the first matched one of those.
15691         (common_handle_option): Skip over empty strings.
15692         * gcc.c (display_help): Fix help string for `--help='.
15693         * doc/invoke.texi (Option Summary, Overall Options): With
15694         `--help=', classes and qualifiers can both be repeated, but
15695         only the latter can be negated.  One should not pass only
15696         negated qualifiers.  Fix markup and examples.
15697
15698         Revert
15699         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
15700         PR middle-end/37805
15701         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
15702         and -fhelp=separate.
15703
15704 2009-03-17  Jing Yu  <jingyu@google.com>
15705
15706         PR middle-end/39378
15707         * function.h (struct rtl_data): Move is_thunk from here...
15708         (struct function): ...to here.
15709         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
15710         * varasm.c (assemble_start_function): Change is_thunk from crtl to
15711         cfun.
15712         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
15713         cfun.
15714         (alpha_does_function_need_gp, alpha_start_function): Likewise.
15715         (alpha_output_function_end_prologue): Likewise.
15716         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
15717         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
15718         (rs6000_output_function_epilogue): Likewise.
15719         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
15720
15721 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
15722
15723         PR target/39482
15724         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
15725         from different units in a single alternative.
15726         (*truncdfsf_i387): Ditto.
15727         (*truncxfsf2_mixed): Ditto.
15728         (*truncxfdf2_mixed): Ditto.
15729
15730 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
15731
15732         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
15733         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
15734
15735         PR debug/39474
15736         * tree-ssa-live.c (remove_unused_locals): Don't remove local
15737         unused non-artificial variables when not optimizing.
15738
15739         PR debug/39471
15740         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
15741         DW_TAG_imported_module even if decl is IMPORTED_DECL with
15742         NAMESPACE_DECL in its DECL_INITIAL.
15743
15744         PR middle-end/39443
15745         * optabs.c (set_user_assembler_libfunc): New function.
15746         * expr.h (set_user_assembler_libfunc): New prototype.
15747         * c-common.c: Include libfuncs.h.
15748         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
15749         for memcmp, memset, memcpy, memmove and abort.
15750         * Makefile.in (c-common.o): Depend on libfuncs.h.
15751
15752         PR debug/39412
15753         * dwarf2out.c (gen_inlined_enumeration_type_die,
15754         gen_inlined_structure_type_die, gen_inlined_union_type_die,
15755         gen_tagged_type_instantiation_die): Removed.
15756         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
15757         do nothing.
15758
15759 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
15760
15761         PR testsuite/38526
15762         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
15763         its use.
15764         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
15765         (check-parallel-%): Ditto.
15766         (check-consistency): Ditto.
15767
15768 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
15769
15770         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
15771         local variable rhs by NULL_TREE.
15772
15773 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
15774
15775         PR target/39477
15776         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
15777
15778 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
15779
15780         PR target/39476
15781         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
15782
15783 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
15784
15785         PR target/39473
15786         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
15787         for ms->sysv ABI calls only in 64bit mode.
15788
15789         * config/i386/i386.md (untyped_call): Support 32bit.
15790
15791 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
15792
15793         * doc/extend.texi: Replace x86_65 with x86_64.
15794
15795 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
15796
15797         PR tree-optimization/39455
15798         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
15799         mismatches for POINTER_TYPE_P (type).
15800         (number_of_iterations_le): Likewise.
15801
15802 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
15803
15804         * config/picochip/picochip.c: Removed profiling support.
15805         * config/picochip/picochip.md: Removed profiling instruction.
15806         * config/picochip/picochip.h: Removed profiling builtin.
15807
15808 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
15809
15810         * doc/install.texi (--with-host-libstdcxx): Document.
15811
15812 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
15813
15814         PR target/34299
15815         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
15816         generate a warning if the function name does not begin with
15817         "__vector" and the function has either the 'signal' or 'interrupt'
15818         attribute, from here to ...
15819         (avr_declare_function_name): ...here. New function.
15820         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
15821         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
15822
15823 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
15824
15825         PR bootstrap/39454
15826         * cse.c (fold_rtx): Don't modify original const_arg1 when
15827         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
15828         separate variable instead.
15829         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
15830         from out of range shift counts.
15831         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
15832
15833 2009-03-13  Catherine Moore  <clm@codesourcery.com>
15834
15835         * config/i386/x-mingw32 (host-mingw32.o): Replace
15836         diagnostic.h with $(DIAGNOSTIC_H).
15837
15838 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
15839
15840         PR target/39431
15841         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
15842         predicate.
15843         * config/i386/sync.md (sync_compare_and_swap<mode>,
15844         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
15845         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
15846         into a register.
15847         (sync_double_compare_and_swapdi_pic,
15848         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
15849         cmpxchg8b_pic_memory_operand instead of just memory_operand.
15850
15851 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
15852
15853         PR target/39445
15854         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
15855
15856 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
15857
15858         PR target/39327
15859         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
15860         (avx_addsubv4df3): Likewise.
15861         (*avx_addsubv4sf3): Likewise.
15862         (sse3_addsubv4sf3): Likewise.
15863
15864 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
15865
15866         PR target/38824
15867         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
15868
15869 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
15870
15871         PR debug/39432
15872         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
15873         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
15874         registers for allocnos created from user-defined variables.
15875
15876 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
15877
15878         PR target/39181
15879         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
15880         of non-integer mode as well.
15881
15882 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
15883
15884         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
15885         for functions for which the parameter types are unknown.
15886
15887 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
15888
15889         PR target/39137
15890         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
15891         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
15892         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
15893         * config/i386/i386.c (ix86_local_alignment): For
15894         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
15895         long long variables on the stack to avoid dynamic realignment.
15896         Allow the first argument to be a decl rather than type.
15897         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
15898
15899 2009-03-11  Nick Clifton  <nickc@redhat.com>
15900
15901         PR target/5362
15902         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
15903         options.
15904         Add description to mno-lsim option.
15905         * config/mcore/mcore.h: Remove comment about deprecated m4align
15906         option.
15907         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
15908         * doc/invoke.texi: Add description of mno-lsim and
15909         mstack-increment options.
15910
15911         * config/fr30/fr30.opt: Document the -mno-lsim option.
15912         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
15913         and -mno-lsim options.
15914
15915 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
15916
15917         * fold-const.c (fold_comparison): Only call fold_inf_compare
15918         if the mode supports infinities.
15919
15920 2009-03-11  Jason Merrill  <jason@redhat.com>
15921
15922         PR debug/39086
15923         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
15924         end already did.  Notice GIMPLE_CALL modifications of the result.
15925         Don't copy debug information from an ignored decl or a decl from
15926         another function.
15927
15928 2009-03-10  Richard Guenther  <rguenther@suse.de>
15929             Nathan Froyd  <froydnj@codesourcery.com>
15930
15931         PR middle-end/37850
15932         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
15933         (__divMODE3): Likewise.
15934
15935 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
15936
15937         PR tree-optimization/39394
15938         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
15939         DECL_SIZE_UNIT of variable length FIELD_DECLs.
15940
15941 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
15942
15943         * recog.c (verfiy_changes): Disallow renaming of hard regs in
15944         inline asms for register asm ("") declarations.
15945
15946 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
15947
15948         * fold-const.c (fold_unary): Fix comment.
15949
15950 2009-03-07  Jan Hubicka  <jh@suse.cz>
15951
15952         PR target/39361
15953         * tree-inline.c (setup_one_parameter): Do replacement of const
15954         argument by constant in SSA form.
15955
15956 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
15957
15958         PR middle-end/38028
15959         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
15960         determine alignment passed to assign_stack_local.
15961         (assign_parms_unsplit_complex): Likewise.
15962         * except.c (sjlj_build_landing_pads): Likewise.
15963
15964 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
15965
15966         PR middle-end/39360
15967         * tree-flow.h (add_referenced_var): Return bool instead of void.
15968         * tree-dfa.c (add_referenced_var): Return result of
15969         referenced_var_check_and_insert call.
15970         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
15971         of referenced_var_check_and_insert.
15972
15973         PR debug/39372
15974         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
15975         (gen_variable_die): Emit DW_AT_location on abstract static variable's
15976         DIE, don't emit it if abstract origin already has it.
15977         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
15978         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
15979
15980 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
15981
15982         * genpreds.c (needs_variable): Fix parentheses at variable name
15983         detection.
15984         (write_tm_constrs_h): Indent generated code.
15985
15986 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
15987
15988         * doc/extend.texi (Function Attributes): Add documentation
15989         for isr attributes.
15990
15991 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
15992
15993         PR debug/39387
15994         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
15995         take locus from its DECL_SOURCE_LOCATION instead of input_location.
15996
15997 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
15998
15999         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
16000         the loop as bad.
16001
16002 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
16003
16004         PR debug/39379
16005         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
16006         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
16007
16008 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
16009
16010         * config/i386/i386.md (R8_REG, R9_REG): New constants.
16011         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
16012         constants instead of magic numbers.
16013         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
16014         (QI_REG_P): Ditto.
16015         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
16016         (x86_64_ms_abi_int_parameter_registers): Ditto.
16017         (x86_64_int_return_registers): Ditto.
16018         (ix86_maybe_switch_abi): Ditto.
16019         (ix86_expand_call): Ditto for clobbered_registers array.
16020         (ix86_hard_regno_mode_ok): Ditto.
16021         (x86_extended_QIreg_mentioned_p): Ditto.
16022
16023 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
16024
16025         PR tree-optimization/39349
16026         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
16027
16028         * combine.c (gen_lowpart_for_combine): Use omode when generating
16029         clobber.
16030
16031 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
16032
16033         PR rtl-optimization/39235
16034         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
16035
16036 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
16037
16038         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
16039
16040 2009-03-04  Richard Guenther  <rguenther@suse.de>
16041
16042         PR tree-optimization/39362
16043         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
16044         that occur in abnormal PHIs should be varying.
16045
16046 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
16047
16048         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
16049         Extend comments.
16050         (simple_iv):  Take loop as an argument instead of statement.
16051         * tree-scalar-evolution.h (simple_iv): Declaration changed.
16052         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
16053         to simple_iv.
16054         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
16055         Ditto.
16056         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
16057         * matrix-reorg.c (analyze_transpose): Ditto.
16058         * tree-data-ref.c (dr_analyze_innermost): Ditto.
16059         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
16060         * tree-predcom.c (ref_at_iteration): Ditto.
16061         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
16062
16063 2009-03-04  Richard Guenther  <rguenther@suse.de>
16064
16065         PR tree-optimization/39358
16066         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
16067         escaped_id and callused_id.
16068         (solve_graph): Likewise.
16069
16070 2009-03-04  Richard Guenther  <rguenther@suse.de>
16071
16072         PR tree-optimization/39339
16073         * tree-sra.c (try_instantiate_multiple_fields): Make it
16074         no longer ICE on the above.
16075
16076 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
16077
16078         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
16079         that fits within Pmode.
16080
16081 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
16082
16083         PR middle-end/10109
16084         * tm.texi (LIBCALL_VALUE): Update description.
16085
16086 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
16087
16088         PR middle-end/34443
16089         * doc/extend.texi (section): Update description.
16090
16091 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
16092
16093         PR middle-end/39345
16094         * tree-inline.c (remapped_type): New.
16095         (can_be_nonlocal): Call remapped_type instead of remap_type.
16096
16097 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
16098
16099         PR fortran/39354
16100         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
16101         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
16102
16103 2009-03-03  Richard Guenther  <rguenther@suse.de>
16104
16105         PR middle-end/39272
16106         * tree.c (tree_nonartificial_location): New function.
16107         * tree.h (tree_nonartificial_location): Declare.
16108         * builtins.c (expand_builtin_memory_chk): Provide location
16109         of the call location for artificial function pieces.
16110         (maybe_emit_chk_warning): Likewise.
16111         (maybe_emit_sprintf_chk_warning): Likewise.
16112         (maybe_emit_free_warning): Likewise.
16113         * expr.c (expand_expr_real_1): Likewise.
16114
16115 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
16116
16117         PR tree-optimization/39343
16118         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
16119         COMPONENT_REF t has ARRAY_TYPE.
16120
16121 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
16122
16123         PR middle-end/39335
16124         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
16125         when the type precision of the induction variable should be
16126         larger than the type precision of nit.
16127         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
16128         * graphite.c (graphite_loop_normal_form): Same.
16129         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
16130
16131 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
16132
16133         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
16134         (*call_1_rex64_ms_sysv): Use named constants instead of magic
16135         numbers to describe clobbered registers.
16136         (*call_value_0_rex64_ms_sysv): Ditto.
16137         * config/i386/mmx.md (mmx_emms): Ditto.
16138         (mmx_femms): Ditto.
16139
16140 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
16141
16142         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
16143         of ABI_64.
16144
16145 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
16146
16147         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
16148         (spu_section_type_flags): New function.
16149
16150 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
16151
16152         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
16153         reg_class_contents of FLOAT_REGS into a temporary.
16154
16155 2009-03-02  Richard Guenther  <rguenther@suse.de>
16156             Ira Rosen  <irar@il.ibm.com>
16157
16158         PR tree-optimization/39318
16159         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
16160         information to the vectorized statement.
16161
16162 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
16163
16164         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
16165         variable.  Use defined names instead of magic constants for REX SSE
16166         registers.
16167
16168 2009-03-01  Richard Guenther  <rguenther@suse.de>
16169
16170         PR tree-optimization/39331
16171         * omp-low.c (lower_send_shared_vars): Do not receive new
16172         values for the reference of DECL_BY_REFERENCE parms or results.
16173
16174 2009-03-01  Jan Hubicka  <jh@suse.cz>
16175
16176         PR debug/39267
16177         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
16178         BLOCK_NONLOCALIZED_VAR): New macros.
16179         (tree_block): Add nonlocalized_vars.
16180         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
16181         gen_decl_die): Add origin argument.  Allow generation of die with
16182         origin at hand only.
16183         (gen_member_die, gen_type_die_with_usage, force_decl_die,
16184         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
16185         of gen_*.
16186         (gen_block_die): Fix checking for unused blocks.
16187         (process_scope_var): Break out from .... ; work with origins only.
16188         (decls_for_scope) ... here; process nonlocalized list.
16189         (dwarf2out_ignore_block): Look for nonlocalized vars.
16190         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
16191         vars.
16192         (dump_scope_block): Dump them.
16193         * tree-inline.c (remap_decls): Handle nonlocalized vars.
16194         (remap_block): Likewise.
16195         (can_be_nonlocal): New predicate.
16196         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
16197
16198 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16199
16200         * configure: Regenerate.
16201
16202 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16203
16204         * optc-gen.awk: No need to duplicate option flags twice.
16205         Reuse help texts for duplicate options which do not have any.
16206
16207         * gcc.c (display_help): Document --version.
16208
16209         * gcc.c (main): If print_help_list and verbose_flag, ensure
16210         driver output comes before subprocess output.
16211
16212         * optc-gen.awk: Assign all remaining fields to help string,
16213         space-separated, for multi-line help in *.opt.
16214
16215         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
16216         -Wno-pedantic-ms-format is for MinGW targets only.
16217
16218         * doc/options.texi (Option file format): Fix bad indentation,
16219         restoring dropped sentence.
16220
16221 2009-02-28  Jan Hubicka  <jh@suse.cz>
16222
16223         * tree-inline.c (tree_function_versioning): Output debug info.
16224
16225 2009-02-28  Jan Hubicka  <jh@suse.cz>
16226
16227         PR debug/39267
16228         * tree-inline.c (setup_one_parameter): Do not copy propagate
16229         arguments when not optimizing.
16230
16231 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
16232
16233         PR target/39327
16234         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
16235         (avx_addsubv4df3): Likewise.
16236         (*avx_addsubv4sf3): Likewise.
16237         (sse3_addsubv4sf3): Likewise.
16238         (*avx_addsubv2df3): Likewise.
16239         (sse3_addsubv2df3): Likewise.
16240         (avx_unpckhps256): Correct item selectors.
16241         (avx_unpcklps256): Likewise.
16242         (avx_unpckhpd256): Likewise.
16243         (avx_unpcklpd256): Likewise.
16244
16245 2009-02-28  Jan Hubicka  <jh@suse.cz>
16246
16247         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
16248         static vars.
16249         (copy_arguments_for_versioning): If var is declared don't declare it.
16250         (tree_function_versioning): First setup substitutions and then copy
16251         args.
16252
16253 2009-02-27  Jan Hubicka  <jh@suse.cz>
16254
16255         PR debug/39267
16256         * cgraph.h (varpool_output_debug_info): Remove.
16257         * cgraphunit.c (varpool_output_debug_info): Remove.
16258         * dwarf2out.c (deferred_locations_struct): New struct
16259         (deferred_locations): New type.
16260         (deferred_locations_list): New static var.
16261         (deffer_location): New function.
16262         (gen_variable_die): Use it.
16263         (decls_for_scope): Output info on local static vars.
16264         (dwarf2out_finish): Process deferred locations.
16265         * varpool.c (varpool_output_debug_info): Remove.
16266
16267 2009-02-27  Jan Hubicka  <jh@suse.cz>
16268
16269         PR debug/39267
16270         * tree.h (TREE_PROTECTED): Fix comment.
16271         (BLOCK_HANDLER_BLOCK): Remove.
16272         (struct tree_block): Remove handler_block add body_block.
16273         (inlined_function_outer_scope_p): New.
16274         (is_body_block): Remove.
16275         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
16276         * dwarf2out.c (is_inlined_entry_point): Remove.
16277         (add_high_low_attributes): Use inlined_function_outer_scope_p.
16278         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
16279         code.
16280         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
16281         * gimplify.c (gimplify_expr): Gimplify body blocks.
16282         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
16283         block with multiple subblocks.
16284         (dump_scope_block): Prettier output; dump more flags and info.
16285         (dump_scope_blocks): New.
16286         (remove_unused_locals): Use dump_scope_blocks.
16287         * tree-flow.h (dump_scope_blocks): Declare.
16288         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
16289         * stmt.c (is_body_block): Remove.
16290         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
16291         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
16292
16293 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
16294
16295         PR middle-end/39308
16296         * graphite.c (graphite_loop_normal_form): Do not call
16297         number_of_iterations_exit from a gcc_assert.
16298
16299 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
16300
16301         * config/s390/s390.c (s390_swap_cmp): Look for conditional
16302         jumps if COND is NULL.
16303         (find_cond_jump): New function.
16304         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
16305         * config/s390/s390.md: Remove z10_cobra attribute value.
16306
16307 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
16308
16309         * config/alpha/alpha.h (alpha_expand_mov): Return false if
16310         force_const_mem returns NULL_RTX.
16311
16312 2009-02-26  Jan Hubicka  <jh@suse.cz>
16313
16314         PR debug/39267
16315         * cgraph.h (varpool_output_debug_info): Remove.
16316         * cgraphunit.c (varpool_output_debug_info): Remove.
16317         * dwarf2out.c (deferred_locations_struct): New struct
16318         (deferred_locations): New type.
16319         (deferred_locations_list): New static var.
16320         (deffer_location): New function.
16321         (gen_variable_die): Use it.
16322         (decls_for_scope): Output info on local static vars.
16323         (dwarf2out_finish): Process deferred locations.
16324         * varpool.c (varpool_output_debug_info): Remove.
16325
16326 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
16327
16328         PR rtl-optimization/39241
16329         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
16330         to subreg_offset_representable_p.
16331
16332 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
16333
16334         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
16335         execute function prototype.  Get f and nregs from max_reg_num
16336         and get_insns.  Remove the first backward pass as it's dead,
16337         guard the forward pass by flag_expensive_optimizations.
16338         (rest_of_handle_regmove): Delete.
16339         (pass_regmove): Replace it with regmove_optimize.
16340
16341 2009-02-25  Martin Jambor  <mjambor@suse.cz>
16342
16343         PR tree-optimization/39259
16344         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
16345         calls_alloca function flags.
16346         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
16347         calls are detected.
16348
16349 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
16350
16351         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
16352         flags_set_1_rtx, flags_set_1_set): Delete.
16353         (regmove_optimize): Do not call mark_flags_life_zones.
16354
16355 2009-02-24  Julian Brown  <julian@codesourcery.com>
16356
16357         PR target/35965
16358         * config/arm/arm.c (require_pic_register): Only set
16359         cfun->machine->pic_reg once per function.
16360
16361 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
16362
16363         * doc/invoke.texi (Link Options): Document an easier way to pass
16364         options that take arguments to the GNU linker using -Xlinker and -Wl.
16365
16366 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
16367
16368         PR target/33785
16369         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
16370
16371 2009-02-24  Richard Guenther  <rguenther@suse.de>
16372
16373         PR debug/39285
16374         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
16375
16376 2009-02-24  Richard Guenther  <rguenther@suse.de>
16377             Zdenek Dvorak  <ook@ucw.cz>
16378
16379         PR tree-optimization/39233
16380         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
16381         from converting them to a generic type.
16382
16383 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
16384
16385         PR tree-optimization/39260
16386         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
16387         contains a condition with a real type.
16388         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
16389
16390 2009-02-23  Jason Merrill  <jason@redhat.com>
16391
16392         PR c++/38880
16393         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
16394         narrowing_initializer_constant_valid_p.
16395         (narrowing_initializer_constant_valid_p): Don't return
16396         null_pointer_node for adding a pointer to itself.
16397
16398 2009-02-23  Jan Hubicka  <jh@suse.cz>
16399
16400         PR c/12245
16401         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
16402         resizing.
16403
16404 2009-02-23  Jan Hubicka  <jh@suse.cz>
16405
16406         PR tree-optimization/37709
16407         * tree.c (block_ultimate_origin): Move here from dwarf2out.
16408         * tree.h (block_ultimate_origin): Declare.
16409         * dwarf2out.c (block_ultimate_origin): Move to tree.c
16410         * tree-ssa-live.c (remove_unused_scope_block_p):
16411         Eliminate blocks containig no instructions nor live variables nor
16412         nested blocks.
16413         (dump_scope_block): New function.
16414         (remove_unused_locals): Enable removal of dead blocks by default;
16415         enable dumping at TDF_DETAILS.
16416
16417 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
16418
16419         * config/i386/i386.c (classify_argument): Don't allow COImode
16420         and OImode.
16421         (function_arg_advance_32): Don't allow OImode.
16422         (function_arg_32): Likewise.
16423         (function_value_32): Likewise.
16424         (return_in_memory_32): Likewise.
16425         (function_arg_64): Remove OImode comment.
16426
16427 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
16428
16429         PR target/39261
16430         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
16431         ix86_expand_vector_set for V4DImode in 64bit mode only.
16432         (ix86_expand_vector_init_one_var): Likewise.
16433
16434 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
16435
16436         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
16437
16438 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
16439
16440         PR bootstrap/39257
16441         * loop-iv.c: Revert last change.
16442         * emit-rtl.c: Likewise.
16443
16444 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
16445
16446         PR target/39256
16447         * config/i386/i386.c (type_natural_mode): Remove an extra
16448         space in the warning message.
16449         (function_value_32): Handle 32-byte vector modes.
16450         (return_in_memory_32): Likewise.
16451
16452 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
16453
16454         * loop-iv.c (truncate_value): New function.
16455         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
16456         of lowpart_subreg.
16457         (lowpart_subreg): Move to...
16458         * emit-rtl.c: ...here.
16459
16460 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
16461
16462         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
16463         accidental and undocumented change at revision 140860.
16464
16465 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
16466
16467         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
16468         take gimple_seq * arguments.
16469         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
16470         types_compatible_p langhook.
16471
16472 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
16473             Joseph Myers  <joseph@codesourcery.com>
16474
16475         * config/arm/arm.c (arm_builtin_va_list): New function.
16476         (arm_expand_builtin_va_start): Likewise.
16477         (arm_gimplify_va_arg_expr): Likewise.
16478         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
16479         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
16480         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
16481         (va_list_type): New variable.
16482         (arm_mangle_type): Mangle va_list_type appropriately.
16483
16484 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
16485
16486         PR middle-end/39157
16487         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
16488         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
16489         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
16490         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
16491         parameter to 1000 for -O1 by default.
16492         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
16493         parameter.
16494         * loop-invariant.c: Include params.h.
16495         (move_loop_invariants): Don't call move_single_loop_invariants on
16496         very large loops.
16497
16498 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
16499
16500         * calls.c (emit_library_call_value_1): Use slot_offset instead of
16501         offset when calculating bounds for indexing stack_usage_map.  Fixes
16502         a buffer overflow with certain target setups.
16503
16504 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
16505
16506         PR target/39240
16507         * calls.c (expand_call): Clear try_tail_call if caller and callee
16508         disagree in promotion of function return value.
16509
16510 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
16511
16512         PR target/39175
16513         * c-common.c (c_determine_visibility): If visibility changed and
16514         DECL_RTL has been already set, call make_decl_rtl to update symbol
16515         flags.
16516
16517 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
16518
16519         PR c++/39188
16520         * varasm.c (assemble_variable): Don't check DECL_NAME when
16521         globalizing a variable.
16522
16523 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
16524
16525         PR c/38483
16526         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
16527         expression before any __builtin_trap call.
16528         * c-typeck.c (build_function_call): Convert and check function
16529         arguments before generating a call to a trap.  Evaluate the
16530         function arguments before the trap.
16531
16532 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
16533
16534         PR target/39228
16535         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
16536         (UNSPEC_FXAM_MEM): New unspec.
16537         (fxam<mode>2_i387_with_temp): New insn and split pattern.
16538         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
16539         memory using fxam<mode>2_i387_with_temp to remove excess precision.
16540
16541 2009-02-19  Richard Guenther  <rguenther@suse.de>
16542
16543         PR tree-optimization/39207
16544         PR tree-optimization/39074
16545         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
16546         storedanything_tree): New.
16547         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
16548         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
16549         (build_succ_graph): Add edges from STOREDANYTHING to all
16550         non-direct nodes.
16551         (init_base_vars): Initialize STOREDANYTHING.
16552         (compute_points_to_sets): Free substitution info after
16553         building the succ graph.
16554         (ipa_pta_execute): Likewise.
16555
16556         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
16557         field.
16558         (do_ds_constraint): Do not add to special var or non-pointer
16559         field solutions.
16560         (type_could_have_pointers): Split out from ...
16561         (could_have_pointers): ... here.  For arrays use the element type.
16562         (create_variable_info_for): Initialize may_have_pointers.
16563         (new_var_info): Likewise.
16564         (handle_lhs_call): Make the HEAP variable unknown-sized.
16565         (intra_create_variable_infos): Use a type with pointers for
16566         PARM_NOALIAS, make it unknown-sized.
16567
16568 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
16569
16570         PR target/39224
16571         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
16572
16573 2009-02-18  Jason Merrill  <jason@redhat.com>
16574
16575         PR target/39179
16576         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
16577         value if DECL_EXTERNAL.
16578         * tree-sra.c (sra_walk_gimple_assign): Likewise.
16579         * target.h (gcc_target::binds_local_p): Clarify "module".
16580         * tree.h (TREE_PUBLIC): Clarify "module".
16581
16582 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
16583
16584         PR target/38891
16585         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
16586         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
16587
16588 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
16589
16590         PR target/39082
16591         * c.opt (Wabi): Support C and ObjC.
16592         (Wpsabi): New.
16593
16594         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
16595
16596         * config/i386/i386.c (classify_argument): Warn once about the ABI
16597         change when passing union with long double.
16598
16599         * doc/invoke.texi: Update -Wabi for warning psABI changes.
16600
16601 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
16602
16603         PR c/35447
16604         * c-parser.c (c_parser_compound_statement): Always enter and leave
16605         a scope.
16606
16607 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16608
16609         PR target/34587
16610         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
16611
16612 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
16613
16614         PR tree-optimization/36922
16615         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
16616         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
16617         Likewise.
16618
16619 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
16620
16621         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
16622         to 0 for EABI64.
16623
16624 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
16625
16626         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
16627
16628 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
16629
16630         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
16631         tree sharing.
16632
16633 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
16634             Richard Sandiford  <rdsandiford@googlemail.com>
16635
16636         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
16637         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
16638         (loongson_biadd): ...this.
16639
16640 2009-02-17  Richard Guenther  <rguenther@suse.de>
16641
16642         PR tree-optimization/39202
16643         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
16644         a var make sure to follow existing collapses.
16645
16646 2009-02-17  Richard Guenther  <rguenther@suse.de>
16647
16648         PR middle-end/39214
16649         * langhooks.c (lhd_print_error_function): Check for NULL block.
16650
16651 2009-02-17  Richard Guenther  <rguenther@suse.de>
16652
16653         PR tree-optimization/39204
16654         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
16655         of the PHI arg.
16656
16657 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
16658
16659         * config/soft-fp/double.h: Update from glibc CVS.
16660
16661 2009-02-17  Richard Guenther  <rguenther@suse.de>
16662
16663         PR tree-optimization/39207
16664         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
16665         strict-aliasing warnings for pointers pointing to NULL.
16666
16667 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
16668
16669         PR c/35446
16670         * c-parser.c (c_parser_braced_init): Call pop_init_level when
16671         skipping until next close brace.
16672
16673 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
16674
16675         PR target/37049
16676         * config/i386/i386.c (ix86_expand_push): Set memory alignment
16677         to function argument boundary.
16678
16679 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
16680
16681         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
16682         in the lea_add. Reload eventually constraints it properly.
16683         * config/picochip/constraints.md: Remove the target constraint
16684         "b", since it is not needed anymore.
16685
16686 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
16687
16688         * gthr-dce.h: Uglify function parameter and local variable names.
16689         * gthr-gnat.h: Likewise.
16690         * gthr-mipssde.h: Likewise.
16691         * gthr-nks.h: Likewise.
16692         * gthr-posix95.h: Likewise.
16693         * gthr-posix.h: Likewise.
16694         * gthr-rtems.h: Likewise.
16695         * gthr-single.h: Likewise.
16696         * gthr-solaris.h: Likewise.
16697         * gthr-tpf.h: Likewise.
16698         * gthr-vxworks.h: Likewise.
16699         * gthr-win32.h: Likewise.
16700
16701 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
16702
16703         PR target/39196
16704         * config/i386/i386.md: Restrict the new peephole2 to move
16705         between MMX/SSE registers.
16706
16707 2009-02-15  Richard Guenther  <rguenther@suse.de>
16708
16709         Revert
16710         2009-02-13  Richard Guenther  <rguenther@suse.de>
16711
16712         * configure.ac: Enable LFS.
16713         * configure: Re-generate.
16714         * config.in: Likewise.
16715
16716 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
16717
16718         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
16719         spu_srqwbyte, spu_srqwbytebc): Define.
16720         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
16721         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
16722         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
16723         "shrqby_<mode>"): New insn-and-split patterns.
16724         * config/spu/spu.c (expand_builtin_args): Determine and return
16725         number of operands using spu_builtin_description data.
16726         (spu_expand_builtin_1): Use it.
16727
16728 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
16729
16730         PR target/38056
16731         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
16732         TARGET_CONST_GP.
16733
16734 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
16735
16736         PR target/39149
16737         * config/i386/i386.c (override_options): Correct warning
16738         messages for -malign-loops, -malign-jumps and -malign-functions.
16739
16740 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
16741
16742         PR target/39152
16743         * config/i386/i386.md: Restrict the new peephole2 to move
16744         between the general purpose registers.
16745
16746 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
16747
16748         PR target/39162
16749         * config/i386/i386.c (type_natural_mode): Add a new argument.
16750         Return the original mode and warn ABI change if vector size is 32byte.
16751         (function_arg_advance): Updated.
16752         (function_arg): Likewise.
16753         (ix86_function_value): Likewise.
16754         (ix86_return_in_memory): Likewise.
16755         (ix86_sol10_return_in_memory): Likewise.
16756         (ix86_gimplify_va_arg): Likewise.
16757         (function_arg_32): Don't warn ABX ABI change here.
16758         (function_arg_64): Likewise.
16759
16760 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
16761
16762         * loop-iv.c (implies_p): In the final case, test that operands 0
16763         of the two comparisons match.
16764
16765         * config/bfin/bfin.c (find_prev_insn_start): New function.
16766         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
16767         (find_next_insn_start): Move.
16768
16769 2009-02-13  Richard Guenther  <rguenther@suse.de>
16770
16771         * configure.ac: Enable LFS.
16772         * configure: Re-generate.
16773         * config.in: Likewise.
16774
16775 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
16776
16777         PR c/35444
16778         * c-parser.c (c_parser_parms_list_declarator): Discard pending
16779         sizes on syntax error after some arguments have been parsed.
16780
16781 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
16782
16783         * doc/invoke.texi (-fira): Remove.
16784
16785 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
16786
16787         * caller-save.c: Replace regclass.c with reginfo.c in comments.
16788         * recog.c: Likewise.
16789         * rtl.h: Likewise.
16790
16791 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
16792
16793         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
16794         (umul_ppmm): Likewise.
16795         (count_leading_zeros): Likewise.
16796         (count_trailing_zeros): Likewise.
16797         (UMUL_TIME): Likewise.
16798
16799 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
16800
16801         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
16802         soft-fp/t-softfp to tmake_file.
16803
16804         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
16805         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
16806         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
16807         IA64_BUILTIN_INFQ]: New.
16808         (ia64_init_builtins): Initialize __builtin_infq,
16809         __builtin_fabsq and __builtin_copysignq if not HPUX.
16810         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
16811         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
16812
16813         * config/ia64/lib1funcs.asm (__divtf3): Define only if
16814         SHARED is defined.
16815         (__fixtfti): Likewise.
16816         (__fixunstfti): Likewise.
16817         (__floattitf): Likewise.
16818
16819         * config/ia64/libgcc-glibc.ver: New.
16820         * config/ia64/t-fprules-softfp: Likewise.
16821         * config/ia64/sfp-machine.h: Likewise.
16822
16823         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
16824         (LIBGCC2_TF_CEXT): Likewise.
16825         (TF_SIZE): Likewise.
16826         (TARGET_INIT_LIBFUNCS): Likewise.
16827
16828         * config/ia64/t-glibc (SHLINB_MAPFILES):
16829         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
16830
16831 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
16832
16833         * config/i386/i386.c (construct_container): Rewrite processing
16834         BLKmode with X86_64_SSE_CLASS.
16835
16836 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
16837
16838         PR target/39152
16839         * config/i386/i386.md: Replace simplify_replace_rtx with
16840         replace_rtx in the new peephole2.
16841
16842 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
16843
16844         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
16845         loop unrolling do not happen at -O2.
16846
16847 2009-02-12  Michael Matz  <matz@suse.de>
16848
16849         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
16850
16851 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
16852
16853         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
16854         for -g3.
16855
16856 2009-02-12  Ben Elliston  <bje@au.ibm.com>
16857
16858         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
16859         patterns when updating the back chain.  Missed in the 2009-02-10
16860         change.
16861
16862 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
16863
16864         * doc/extend.texi (Decimal Floating Types): Update identifier of
16865         draft TR and list of missing support.
16866
16867 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
16868
16869         PR middle-end/39154
16870         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
16871         bit to variable length decl's flags, add it also to its
16872         pointer replacement variable.
16873
16874 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
16875             Jakub Jelinek  <jakub@redhat.com>
16876
16877         PR target/39118
16878         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
16879         (memory_blockage): New expander.
16880         (*memory_blockage): New insn pattern.
16881         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
16882         instead of general blockage at the end of function prologue when
16883         frame pointer is used to access red zone area.  Do not emit blockage
16884         when profiling, it is emitted in generic code.
16885         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
16886         function epilogue when frame pointer is used to access red zone area.
16887
16888 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
16889
16890         PR target/38824
16891         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
16892         by arithmetic with memory operands.
16893         * config/i386/predicates.md (commutative_operator): New.
16894
16895 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
16896
16897         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
16898         bulleted lists.
16899
16900 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
16901
16902         * alias.h (record_alias_subset): Declare.
16903         * alias.c (record_alias_subset): Make global.
16904
16905 2009-02-10  Nick Clifton  <nickc@redhat.com>
16906
16907         * tree-parloops.c: Change license to GPLv3.
16908         * ipa-struct-reorg.c: Change license to GPLv3.
16909         * ipa-struct-reorg.h: Change license to GPLv3.
16910
16911 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
16912
16913         PR c/39084
16914         * c-decl.c (start_struct): Return NULL on error.
16915
16916 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
16917
16918         PR middle-end/39124
16919         * cfgloopmanip.c (remove_path): Call remove_bbs after
16920         cancel_loop_tree, not before it.
16921
16922         PR target/39139
16923         * function.h (struct function): Add has_local_explicit_reg_vars bit.
16924         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
16925         VAR_DECLs were seen.
16926         * tree-ssa-live.c (remove_unused_locals): Recompute
16927         cfun->has_local_explicit_reg_vars.
16928         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
16929         copies or clearings if cfun->has_local_explicit_reg_vars.
16930
16931 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
16932
16933         PR target/39118
16934         * config/i386/i386.c (expand_prologue): Emit blockage at the end
16935         of function prologue when frame pointer is used to access
16936         red zone area.
16937
16938 2009-02-10  Richard Guenther  <rguenther@suse.de>
16939
16940         PR middle-end/39127
16941         * gimplify.c (gimple_regimplify_operands): Always look if
16942         we need to create a temporary.
16943
16944 2009-02-10  Richard Guenther  <rguenther@suse.de>
16945
16946         PR tree-optimization/39132
16947         * tree-loop-distribution.c (todo): New global var.
16948         (generate_memset_zero): Trigger TODO_rebuild_alias.
16949         (tree_loop_distribution): Return todo.
16950
16951 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
16952
16953         PR target/39119
16954         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
16955         (x86_64_reg_class_name): Removed.
16956         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
16957         first one isn't X86_64_SSE_CLASS or any other ones aren't
16958         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
16959         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
16960         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
16961         and 3 X86_64_SSEUP_CLASS.
16962         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
16963         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
16964
16965 2009-02-10  Ben Elliston  <bje@au.ibm.com>
16966
16967         * config/rs6000/rs6000.md (allocate_stack): Always use an update
16968         form instruction to update the stack back chain word, even if the
16969         user has disabled the generation of update instructions.
16970         (movdi_<mode>_update_stack): New.
16971         (movsi_update_stack): Likewise.
16972         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
16973         always use an update form instruction to update the stack back
16974         chain word.
16975
16976 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
16977
16978         PR middle-end/38953
16979         * graphite.c (if_region_set_false_region): After moving a region in
16980         the false branch of a condition, remove the empty dummy basic block.
16981         (gloog): Remove wrong fix for PR38953.
16982
16983 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
16984
16985         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
16986         generation due to implicit sign extension.
16987
16988 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
16989
16990         PR middle-end/38981
16991         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
16992         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
16993
16994 2009-02-09  Richard Guenther  <rguenther@suse.de>
16995
16996         PR middle-end/35202
16997         * convert.c (convert_to_real): Disable (float)fn((double)x)
16998         to fnf(x) conversion if errno differences may occur and
16999         -fmath-errno is set.
17000
17001 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
17002
17003         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
17004         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
17005         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
17006
17007 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
17008
17009         PR c/35434
17010         * c-common.c (handle_alias_attribute): Disallow attribute for
17011         anything not a FUNCTION_DECL or VAR_DECL.
17012
17013 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
17014
17015         PR c/39035
17016         * real.c (do_compare): Special-case compare of zero against
17017         decimal float value.
17018
17019 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
17020
17021         PR c/36432
17022         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
17023         as indicating flexible array members unless the field itself is
17024         being declarared as the incomplete array.
17025
17026 2009-02-06  Jan Hubicka  <jh@suse.cz>
17027
17028         PR tree-optimization/38844
17029         * ipa-inline.c (try_inline): Stop inlining recursion when edge
17030         is already inlined.
17031
17032 2009-02-06  Richard Guenther  <rguenther@suse.de>
17033
17034         PR middle-end/38977
17035         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
17036         fork because we may expand it as __gcov_fork.
17037
17038 2009-02-06  Nick Clifton  <nickc@redhat.com>
17039
17040         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
17041
17042 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
17043
17044         PR tree-optimization/35659
17045         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
17046         vn_phi_eq): Shortcut if hashcode does not match.
17047         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
17048         NULL operands.
17049         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
17050         and avoid iterative_hash_expr.
17051         (FOR_EACH_VALUE_ID_IN_SET): New.
17052         (value_id_compare): Remove.
17053         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
17054         sort expressions by value id.
17055
17056 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
17057
17058         PR target/38991
17059         * config/sh/predicates.md (general_movsrc_operand): Don't check
17060         the subreg of system registers here.
17061
17062 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
17063
17064         PR c++/39106
17065         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
17066         on the copied decl.
17067
17068 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
17069
17070         PR rtl-optimization/39110
17071         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
17072         addresses, not aligned ones.
17073
17074 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
17075             Richard Guenther  <rguenther@suse.de>
17076
17077         PR tree-optimization/39100
17078         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
17079         comment says and add edges.
17080
17081 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
17082
17083         PR c/35435
17084         * c-common.c (handle_tls_model_attribute): Ignore attribute for
17085         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
17086
17087 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
17088
17089         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
17090         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
17091         register_bb_in_sese, new_sese, free_sese): Moved.
17092         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
17093         outermost_loop_in_scop, build_scop_iteration_domain,
17094         expand_scalar_variables_ssa_name, get_vdef_before_scop,
17095         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
17096         Use loop_in_sese_p instead of loop_in_scop_p.
17097         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
17098         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
17099         (scopdet_basic_block_info): Fix bug in scop detection.
17100         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
17101         eq_loop_to_cloog_loop): Remove.
17102         (nb_loops_around_loop_in_scop, nb_loop
17103         ref_nb_loops): Moved here...
17104         * graphite.h (ref_nb_loops): ... from here.
17105         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
17106         (loop_domain_dim, loop_iteration_vector_dim): Remove.
17107         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
17108         * testsuite/gcc.dg/graphite/scop-19.c: New
17109
17110 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
17111             Hans-Peter Nilsson  <hp@axis.com>
17112
17113         PR rtl-optimization/37889
17114         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
17115         Move offset handling from PLUS to before the switch.  Use new
17116         arguments when considering SYMBOL_REFs too.
17117         (rtx_addr_can_trap_p): Pass dummy offset and size.
17118         (enum may_trap_p_flags): Remove.
17119         (may_trap_p_1): Pass size from MEM_SIZE.
17120
17121         PR rtl-optimization/38921
17122         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
17123         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
17124         * rtlanal.c (may_trap_after_code_motion_p): Delete.
17125         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
17126
17127 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
17128
17129         AVX Programming Reference (January, 2009)
17130         * config/i386/sse.md (*vpclmulqdq): New.
17131
17132 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
17133
17134         PR tree-optimization/38977
17135         PR gcov-profile/38292
17136         * calls.c (special_function_p): Disregard __builtin_ prefix.
17137
17138 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
17139
17140         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
17141         non-indexable addresses even before reload.
17142
17143 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
17144
17145         PR c/29129
17146         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
17147         as having variable size.  Do not give an error for unnamed
17148         parameters with [*] declarators.  Give a warning for type names
17149         with [*] declarators and mark them as variable size.
17150         * c-parser.c (c_parser_sizeof_expression): Do not give an error
17151         for sizeof applied to [*] type names.
17152
17153 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17154
17155         PR C++/36607
17156         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
17157
17158 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
17159
17160         * gcc.c (process_command): Update copyright notice dates.
17161         * gcov.c (print_version): Likewise.
17162         * gcov-dump.c (print_version): Likewise.
17163         * mips-tfile.c (main): Likewise.
17164         * mips-tdump.c (main): Likewise.
17165
17166 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
17167
17168         PR c/35433
17169         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
17170         for composite type involving a zero-length array type.
17171
17172 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
17173
17174         PR target/35318
17175         * function.c (match_asm_constraints_1): Skip over
17176         initial optional % in the constraint.
17177
17178         PR inline-asm/39059
17179         * c-parser.c (c_parser_postfix_expression): If fixed point is not
17180         supported, don't accept FIXED_CSTs.
17181         * c-decl.c (finish_declspecs): Error if fixed point is not supported
17182         and _Sat is used without _Fract/_Accum.  Set specs->type to
17183         integer_type_node for cts_fract/cts_accum if fixed point is not
17184         supported.
17185
17186 2009-02-02  Catherine Moore  <clm@codesourcery.com>
17187
17188         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
17189
17190 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
17191
17192         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
17193         (ABI_HAS_64BIT_SYMBOLS): Use it.
17194         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
17195
17196 2009-02-02  Paul Brook  <paul@codesourcery.com>
17197
17198         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
17199
17200 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
17201
17202         PR inline-asm/39058
17203         * recog.h (asm_operand_ok): Add constraints argument.
17204         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
17205         recurse on matching constraint.
17206         (check_asm_operands): Pass constraints as 3rd argument to
17207         asm_operand_ok.  Don't look up matching constraint here.
17208         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
17209         to asm_operand_ok.
17210
17211 2009-02-02  Ben Elliston  <bje@au.ibm.com>
17212
17213         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
17214         TARGET_NARROW_VOLATILE_BITFIELD macro names.
17215
17216 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17217
17218         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
17219         information.  Remove some obsolete information.  Reorganize.
17220
17221         * config/pa/fptr.c: Revert license to GPL 2.
17222         * config/pa/milli64.S: Likewise.
17223
17224 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
17225
17226         PR target/38904
17227         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
17228         LIBRARY name in, instead of hard-coding it.
17229         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
17230         extra target make frag to tmake_files according to EH model.
17231         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
17232         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
17233         frags that define makefile variable EH_MODEL appropriately.
17234         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
17235         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
17236         to "-sjlj" according to type of EH configured.
17237         (LIBGCC_SONAME):  Concatenate it to shared library base name.
17238         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
17239         to "_sjlj" according to type of EH configured.
17240         (LIBGCC_SONAME):  Concatenate it to shared library base name.
17241         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
17242         (SHLIB_LINK):  Add missing semicolon to if-else construct.
17243         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
17244         string value of "pe_dll" command-line option.
17245         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
17246         (SHLIB_SONAME):  Use it when overriding t-cygming default.
17247         (SHLIB_IMPLIB):  Override t-cygming default.
17248         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
17249         string value of "pe_dll" command-line option.
17250
17251 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
17252
17253         PR target/38952
17254         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
17255         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
17256
17257 2009-01-31  Richard Guenther  <rguenther@suse.de>
17258
17259         PR tree-optimization/38937
17260         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
17261         computing the transitive closure.
17262
17263 2009-01-30  Richard Guenther  <rguenther@suse.de>
17264
17265         PR tree-optimization/39041
17266         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
17267         Propagate variable indices only if the types match for this stmt.
17268
17269 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
17270
17271         PR target/39013
17272         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
17273         inline but never defined.
17274
17275 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
17276
17277         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
17278         (*insv_h_di_reg_extimm): New insn.
17279         (*insv_l<mode>_reg_extimm): New insn.
17280
17281 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
17282
17283         * config/picochip/picochip.c (flag_conserve_stack): set
17284         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
17285         fconserve-stack. Reduce call-overhead used by inliner.
17286
17287 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
17288
17289         PR/38157
17290         * common.opt (flag_conserve_stack): Initialised to zero.
17291
17292 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
17293
17294         PR/39002
17295         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
17296         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
17297         method.
17298
17299 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
17300
17301         * ira-color.c (allocno_reload_assign): Update comments.
17302         * regmove.c (regmove_optimize): Likewise.
17303
17304         * ra.h: Removed.
17305
17306 2009-01-29  Robert Millan  <rmh@aybabtu.com>
17307
17308         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
17309         * config/i386/kopensolaris-gnu.h: New file.  Undefine
17310         `MD_UNWIND_SUPPORT'.
17311         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
17312
17313 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
17314
17315         PR tree-optimization/39007
17316         * tree-loop-distribution.c (generate_builtin): Use
17317         recompute_dominator to compute the immediate dominator of the
17318         basic block just after the loop.
17319
17320 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
17321
17322         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
17323         (ASM_OUTPUT_DWARF_PCREL): Define.
17324
17325 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
17326
17327         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
17328         * doc/passes.texi: Remove entries about regclass, local-alloc, and
17329         global.  Modify entries about regmove and IRA.
17330
17331         * ra-conflict.c: Remove the file.
17332
17333         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
17334
17335         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
17336         (pass_regclass_init): Rename to pass_reginfo_init.
17337
17338         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
17339
17340         * toplev.h (flag_ira): Remove.
17341
17342         * caller-save.c (setup_save_areas): Remove flag_ira.
17343
17344         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
17345
17346         * global.c: Remove the file.
17347
17348         * opts.c (decode_options): Remove flag_ira.
17349
17350         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
17351
17352         * regmove.c: Modify file description.
17353         (find_use_as_address, try_auto_increment): Define them only if
17354         AUTO_INC_DEC is defined.
17355         (replacement_quality, replace_in_call_usage, fixup_match_1,
17356         stable_and_no_regs_but_for_p): Remove.
17357         (reg_set_in_bb): Make it static.
17358         (regmove_optimize): Remove flag_ira and code which worked for
17359         !flag_ira.
17360
17361         * local-alloc.c: Remove the file.
17362
17363         * common.opt (fira): Remove.
17364
17365         * ira.c: Include except.h.
17366         (eliminable_regset): Move from global.c.
17367         (mark_elimination): Ditto.  Remove flag_ira.
17368         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
17369         equiv_mem_modified, validate_equiv_mem_from_store,
17370         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
17371         contains_replace_regs, memref_referenced_p, memref_used_between_p,
17372         no_equiv, recorded_label_ref): Move from local-alloc.c.
17373         (update_equiv_regs): Ditto.  Make it static.
17374         (print_insn_chain, print_insn_chains): Move it from global.c.
17375         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
17376         (build_insn_chain): Ditto.  Make it static.
17377         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
17378         Rename to init_live_subregs.
17379         (gate_ira): Remove flag_ira.
17380
17381         * regclass.c: Rename reginfo.c.  Change file description.
17382         (FORBIDDEN_INC_DEC_CLASSES): Remove.
17383         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
17384         (init_reg_sets_1): Remove code for evaluation of
17385         reg_class_superclasses and losing_caller_save_reg_set.
17386         (init_regs): Remove init_reg_autoinc.
17387         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
17388         ok_for_base_p_nonstrict): Remove.
17389         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
17390         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
17391         corresponding entries.
17392         (dump_regclass, record_operand_costs, scan_one_insn,
17393         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
17394         record_address_regs, auto_inc_dec_reg_p): Remove.
17395         (gt-regclass.h): Rename to gt-reginfo.h.
17396
17397         * rtl.h (dump_global_regs, retry_global_alloc,
17398         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
17399
17400         * Makefile.in (RA_H): Remove.
17401         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
17402         Rename regclass.o to reginfo.o.
17403         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
17404         gt-reginfo.h.
17405         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
17406         (GTFILES): Rename regclass.c to reginfo.c.
17407
17408         * passes.c (init_optimization_passes): Remove pass_local_alloc and
17409         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
17410
17411         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
17412         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
17413         Remove flag_ira.
17414         (finish_spills): Ditto.  Remove code for !flag_ira.
17415
17416 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
17417
17418         PR middle-end/35854
17419         * doc/invoke.texi (rtl debug options): Complete rewrite.
17420         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
17421         to auto_inc_dec".
17422         * mode-switching.c (pass_mode_switching): Rename pass from
17423         "mode-sw" to "mode_sw".
17424         * except.c (pass_convert_to_eh_ranges): Rename pass from
17425         "eh-ranges" to "eh_ranges".
17426         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
17427         to "subreg1".
17428
17429
17430 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
17431             Alexander Monakov  <amonakov@ispras.ru>
17432
17433         PR middle-end/38857
17434         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
17435         register.
17436         (move_exprs_to_boundary): Change return type and pass through
17437         should_move from move_op.  Relax assert.  Update usage ...
17438         (schedule_expr_on_boundary): ... here.  Use should_move instead of
17439         cant_move.
17440         (move_op_orig_expr_found): Indicate that insn was disconnected from
17441         stream.
17442         (code_motion_process_successors): Do not call after_merge_succs
17443         callback if original expression was not found when traversing any of
17444         the branches.
17445         (code_motion_path_driver): Change return type.  Update prototype.
17446         (move_op): Update comment.  Add a new parameter (should_move).  Update
17447         prototype.  Set *should_move based on indication provided by
17448         move_op_orig_expr_found.
17449
17450 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
17451
17452         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
17453         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
17454         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
17455         * config/rs6000/rs6000.c (rs6000_override_options): Default
17456         avoid-indexed-addresses on for Power6, off for everything else.
17457         (avoiding_indexed_address_p): New function.
17458         (rs6000_legitimize_address): Use it.
17459         (rs6000_legitimate_address): Likewise.
17460         * config/rs6000/rs6000.md (movXX_updateX): Likewise
17461
17462 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
17463
17464         PR tree-optimization/38997
17465         * tree-loop-distribution.c (generate_memset_zero): Use
17466         POINTER_PLUS_EXPR for a pointer addition.
17467
17468 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
17469
17470         * config/s390/s390.md (bswap<mode>2): New pattern added.
17471
17472 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
17473
17474         * config/s390/s390.md (*tls_load_31): Added type attribute.
17475
17476 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
17477
17478         * config/s390/s390.md: Fix a few comments.
17479
17480 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
17481
17482         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
17483         (*tm<mode>_full): Fixed z10prop attribute.
17484         (*tst<mode>_extimm): Fixed z10prop attribute.
17485         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
17486         (*tstqiCCT_cconly): Fixed z10prop attribute.
17487         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
17488         (*movsi_larl): Fixed z10prop attribute.
17489         (*movsi_zarch): Fixed z10prop attribute.
17490         (*movsi_eas): Fixed z10prop attribute.
17491         (*movhi): Fixed z10prop attribute.
17492         (*movqi): Fixed z10prop attribute.
17493         (*movstrictqi): Fixed z10prop attribute.
17494         (*mov<mode>): Fixed z10prop attribute.
17495         (*movcc): Fixed z10prop attribute.
17496         (*sethighpartdi_64): Fixed z10prop attribute.
17497         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
17498         (*negdi2_sign_cc): Fixed z10prop attribute.
17499         (*negdi2_sign): Fixed z10prop attribute.
17500         (*absdi2_sign_cc): Fixed z10prop attribute.
17501         (*absdi2_sign): Fixed z10prop attribute.
17502         (*negabsdi2_sign_cc): Fixed z10prop attribute.
17503         (*negabsdi2_sign): Fixed z10prop attribute.
17504         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
17505         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
17506         (doloop_si64): Fixed z10prop attribute.
17507         (doloop_si31): Fixed z10prop attribute.
17508         (doloop_long): Fixed z10prop attribute.
17509         (indirect_jump): Fixed z10prop attribute.
17510         (nop): Fixed z10prop attribute.
17511         (main_base_64): Fixed z10prop attribute.
17512         (reload_base_64): Fixed z10prop attribute.
17513
17514 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
17515
17516         PR rtl-optimization/38740
17517         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
17518         if !optimize.
17519         * config/mips/mips.c (mips_reorg): Likewise.
17520
17521 2009-01-28  Richard Guenther  <rguenther@suse.de>
17522
17523         PR tree-optimization/38926
17524         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
17525         with the correct value id to a value.
17526         (do_regular_insertion): Use the value number of edoubleprime
17527         for the value number of the expr.
17528
17529         Revert
17530         2008-08-21  Richard Guenther  <rguenther@suse.de>
17531
17532         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
17533         a PHI ask VN if it is already available.
17534         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
17535         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
17536
17537 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
17538
17539         PR middle-end/38934
17540         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
17541         set to varying whenever max has TREE_OVERFLOW set, similarly
17542         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
17543
17544 2009-01-28  Richard Guenther  <rguenther@suse.de>
17545
17546         PR middle-end/38908
17547         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
17548         uninitialized aggregate uses in call arguments.
17549
17550 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
17551
17552         PR tree-optimization/38984
17553         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
17554         the nothing_id variable if -fno-delete-null-pointer-checks.
17555
17556 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
17557
17558         PR target/38988
17559         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
17560         (set_got_offset_rex64): Ditto.
17561
17562 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
17563
17564         PR target/38941
17565         * doc/extend.texi: Improve local variable with asm reg.
17566
17567 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
17568
17569         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
17570         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
17571         was not supplied then set warn_packed_bitfield_compat to the
17572         default value of 1.
17573         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
17574         against 1.
17575
17576 2009-01-27  Richard Guenther  <rguenther@suse.de>
17577
17578         PR tree-optimization/38503
17579         * cfgexpand.c (expand_gimple_basic_block): Ignore
17580         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
17581         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
17582         variables that cannot have TBAA applied.
17583         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
17584         statements.
17585
17586 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
17587
17588         PR middle-end/38969
17589         * calls.c (initialize_argument_information): Do not wrap complex
17590         arguments in SAVE_EXPR.
17591
17592 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
17593
17594         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
17595         (INSTALL_LIBGCC): Revert typo commit.
17596
17597 2009-01-26  Richard Guenther  <rguenther@suse.de>
17598
17599         PR tree-optimization/38745
17600         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
17601         from special handling.
17602
17603 2009-01-26  Richard Guenther  <rguenther@suse.de>
17604
17605         PR tree-optimization/38745
17606         * tree-ssa.c (execute_update_addresses_taken): Do not include
17607         variables that cannot possibly be a register in not_reg_needs.
17608         Do not clear TREE_ADDRESSABLE on vars that may not become
17609         registers.
17610         * tree-ssa.c (update_alias_info_1): Include those in the set
17611         of addressable vars.
17612
17613 2009-01-26  Richard Guenther  <rguenther@suse.de>
17614
17615         PR middle-end/38851
17616         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
17617         * tree-ssa-dse.c: Include langhooks.h
17618         (execute_simple_dse): Remove stores with zero size.
17619
17620 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
17621
17622         PR c/38957
17623         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
17624         as PLUS_EXPR.
17625
17626 2009-01-24  Julian Brown  <julian@codesourcery.com>
17627
17628         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
17629         config/arm/linux-atomic.c.
17630         * config/arm/linux-atomic.c: New.
17631
17632 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
17633
17634         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
17635         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
17636         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
17637
17638 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
17639
17640         PR c/38938
17641         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
17642         properly.
17643
17644 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
17645
17646         PR tree-optimization/38953
17647         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
17648         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
17649         (gloog): Split the exit of the scop when the scop exit is a loop exit.
17650         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
17651         changed the CFG.
17652
17653 2009-01-24  Paul Brook  <paul@codesourcery.com>
17654
17655         * config/arm/neon.md (neon_type): Move to arm.md.
17656         (neon_mov<VSTRUCT>): Add neon_type attribute.
17657         * config/arm/arm.md (neon_type): Move to here.
17658         (conds): Add "unconditioal" and use as default for NEON insns.
17659
17660 2009-01-24  Ben Elliston  <bje@au.ibm.com>
17661
17662         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
17663         void *' warning from -Wc++-compat.
17664         * Makefile.in (dominance.o-warn): Remove.
17665
17666 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
17667
17668         PR tree-optimization/38932
17669         * fold-const.c (fold_unary_ignore_overflow): New.
17670         * tree.h (fold_unary_ignore_overflow): Declare.
17671         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
17672         * tree-ssa-sccvn.c (visit_reference_op_load,
17673         simplify_unary_expression): Likewise.
17674
17675 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
17676
17677         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
17678         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
17679         regardless of their type.
17680         * c-common.c (handle_packed_attribute): Don't ignore packed on
17681         bitfields.
17682         * c.opt (Wpacked-bitfield-compat): New warning option.
17683         * stor-layout.c (place_field): Warn if offset of a field changed.
17684         * doc/extend.texi (packed): Mention the ABI change.
17685         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
17686         (Warning Options): Add it to the list.
17687
17688 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
17689
17690         * c-opts.c (c_common_post_options): Fix a typo in comments.
17691
17692 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
17693
17694         PR middle-end/38615
17695         * gimplify.c (gimplify_init_constructor): Fix promotion of const
17696         variables to static.
17697         * doc/invoke.texi (-fmerge-all-constants): Update description.
17698
17699 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
17700
17701         PR target/38931
17702         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
17703         (*movdi_1_rex64): Use type "mmx" for alternative 5.
17704
17705 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
17706
17707         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
17708         a word boundary.
17709         (LOCAL_ALIGNMENT): Similarly.
17710
17711 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
17712             Joseph Myers  <joseph@codesourcery.com>
17713
17714         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
17715         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
17716         * config/arm/arm-tune.md: Regenerate.
17717         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
17718         -march=iwmmxt2.
17719
17720 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
17721
17722         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
17723         version number to five.
17724
17725 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
17726
17727         PR c++/38930
17728         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
17729         * c-common.c (set_underlying_type): Likewise.
17730         (is_typedef_decl ): Likewise
17731         * tree.h: Likewise
17732         (set_underlying_type): Likewise.
17733         (is_typedef_type): Likewise.
17734
17735 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
17736
17737         PR middle-end/38587
17738         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
17739         crossing setjmps.
17740
17741 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
17742
17743         PR bootstrap/37660
17744         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
17745         (LIBGCC_SPEC):  Don't define.
17746         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
17747
17748 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
17749
17750         PR rtl-optimization/38879
17751         * alias.c (base_alias_check): Unaligned access via AND address can
17752         alias all surrounding object types except those with sizes equal
17753         or wider than the size of unaligned access.
17754
17755 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
17756
17757         PR c++/26693
17758         * c-decl.c (clone_underlying_type): Move this ...
17759         * c-common.c (set_underlying_type): ... here.
17760         Also, make sure the function properly sets TYPE_STUB_DECL() on
17761         the newly created typedef variant type.
17762         (is_typedef_decl ): New entry point.
17763         * tree.h: Added a new member member_types_needing_access_check to
17764         struct tree_decl_non_common.
17765         (set_underlying_type): New entry point.
17766         (is_typedef_type): Likewise.
17767
17768 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
17769
17770         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
17771         Check whether two instructions have memory references that
17772         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
17773         are helper functions for traversing.
17774         * alias.h (insn_alias_sets_confilict_p): New prototypes.
17775         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
17776         not to draw dependency edge for instructions with non-conflicting
17777         alias sets.
17778
17779 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
17780
17781         PR other/38758
17782         * longlong.h: Update copyright years.  Use soft-fp license notice.
17783         Sync __clz_tab declaration with glibc.
17784
17785 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
17786
17787         PR target/30687
17788         * doc/extend.texi (syscall_linkage): New.
17789         (version_id): Modify.
17790
17791 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17792             Richard Guenther  <rguenther@suse.de>
17793
17794         PR tree-optimization/38747
17795         PR tree-optimization/38748
17796         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
17797         conversion if the base address is an indirect reference and the
17798         aliasing sets could cause issues.
17799
17800 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
17801
17802         * common.opt (fgraphite, fgraphite-identity): Add comment for
17803         explaining why these options are not documented.
17804
17805 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
17806
17807         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
17808         gimple_call_lhs is NULL.
17809
17810 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
17811
17812         PR target/38868
17813         * emit-rtl.c (adjust_address_1): Make sure memref is never
17814         overwritten.
17815
17816 2009-01-20  Ben Elliston  <bje@au.ibm.com>
17817
17818         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
17819         const qualifier from arg parameter. Remove unnecessary cast to char *.
17820         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
17821         const qualifier from arg 2.
17822
17823 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
17824
17825         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
17826
17827 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
17828
17829         PR c/38869
17830         * rtl.h (reinit_regs): New prototype.
17831         * regclass.c: Include ira.h.
17832         (reinit_regs): New.
17833         * Makefile.in (regclass.o): Add ira.h.
17834         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
17835
17836 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
17837
17838         PR target/38736
17839         * c-common.c (handle_aligned_attribute): Use
17840         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
17841         default alignment value.
17842
17843         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
17844
17845         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
17846         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
17847
17848         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
17849         __BIGGEST_ALIGNMENT__.
17850
17851         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
17852
17853 2009-01-18  Richard Guenther  <rguenther@suse.de>
17854
17855         PR tree-optimization/38819
17856         * tree-flow.h (operation_could_trap_helper_p): Declare.
17857         * tree-eh.c (operation_could_trap_helper_p): Export.
17858         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
17859         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
17860         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
17861         are about to insert a possibly trapping instruction and fail
17862         in this case.
17863
17864 2009-01-18  Andreas Schwab  <schwab@suse.de>
17865
17866         * doc/install.texi (Configuration): Remove obsolete paragraph
17867         about use of --with-gnu-ld with --with-gnu-as.
17868
17869 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
17870
17871         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
17872         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
17873         Follow spelling conventions.
17874
17875 2009-01-18  Ben Elliston  <bje@au.ibm.com>
17876
17877         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
17878         C++ warning about implicit conversion from void * to struct
17879         bitmap_head_def *.
17880         (bitmap_obstack_free): Likewise for bitmap_element *.
17881         * Makefile.in (bitmap.o-warn): Remove.
17882
17883 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
17884
17885         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
17886
17887 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
17888             Tobias Grosser  <tobi.grosser@amd.com>
17889
17890         * graphite.c (graphite_trans_scop_block): Do not block single
17891         nested loops.
17892
17893 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
17894
17895         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
17896         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
17897         test with assertion.
17898
17899 2009-01-16  Richard Guenther  <rguenther@suse.de>
17900
17901         PR tree-optimization/38835
17902         PR middle-end/36227
17903         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
17904         and INT + PTR -> (INT)(PTR p+ INT) folding.
17905         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
17906
17907 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
17908
17909         PR target/38554
17910         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
17911         the subreg from a lowpart subreg if it is also casting the value.
17912
17913 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
17914             Tobias Grosser  <tobi.grosser@amd.com>
17915
17916         * graphite.c (compare_prefix_loops): New.
17917         (build_scop_canonical_schedules): Rewritten.
17918         (graphite_transform_loops): Move build_scop_canonical_schedules
17919         after build_scop_iteration_domain.
17920
17921 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
17922             Tobias Grosser  <tobi.grosser@amd.com>
17923
17924         * graphite.c (add_conditions_to_domain): Add the loops to
17925         the dimension of the iteration domain.  Do copy the domain
17926         only when it exists.
17927         (build_scop_conditions_1): Do not call add_conditions_to_domain.
17928         (add_conditions_to_constraints): New.
17929         (can_generate_code_stmt, can_generate_code): Removed.
17930         (gloog): Do not call can_generate_code.
17931         (graphite_transform_loops): Call add_conditions_to_constraints
17932         after building the iteration domain.
17933
17934 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
17935
17936         PR tree-optimization/38789
17937         * tree-ssa-threadedge.c
17938         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
17939         __builtin_constant_p.
17940
17941 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
17942
17943         * dce.c (delete_unmarked_insns): Reversed the order that insns are
17944         examined before deleting them.
17945
17946 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
17947
17948         * function.c (aggregate_value_p): Correctly extract the function
17949         type from CALL_EXPR_FN lookup.
17950
17951 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
17952
17953         * config/picochip/picochip.c (picochip_override_options): Revert
17954         CFI asm flag disable commited previously.
17955
17956 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
17957             Tobias Grosser  <tobi.grosser@amd.com>
17958             Jan Sjodin  <jan.sjodin@amd.com>
17959
17960         * graphite.c (scan_tree_for_params): On substractions negate
17961         all the coefficients of the term.
17962         (clast_to_gcc_expression_red): New.  Handle reduction expressions
17963         of more than two operands.
17964         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
17965         (get_vdef_before_scop): Handle also the case of default definitions.
17966
17967 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
17968
17969         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
17970         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
17971         Also use them when walking CALL_INSN_FUNCTION_USAGE.
17972
17973 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
17974             Joey Ye  <joey.ye@intel.com>
17975
17976         PR middle-end/37843
17977         * cfgexpand.c (expand_stack_alignment): Don't update stack
17978         boundary nor check incoming stack boundary here.
17979         (gimple_expand_cfg): Update stack boundary and check incoming
17980         stack boundary here.
17981
17982 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
17983
17984         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
17985
17986 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
17987
17988         PR rtl-optimization/38245
17989         * calls.c (expand_call): Add stack arguments to
17990         CALL_INSN_FUNCTION_USAGE even for pure calls (when
17991         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
17992         in regs and partially in memory or BLKmode arguments.
17993         (emit_library_call_value_1): Add stack arguments to
17994         CALL_INSN_FUNCTION_USAGE even for pure calls (when
17995         ACCUMULATE_OUTGOING_ARGS).
17996         * dce.c: Include tm_p.h.
17997         (find_call_stack_args): New function.
17998         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
17999         argument.
18000         (mark_insn): Call find_call_stack_args for CALL_Ps.
18001         (prescan_insns_for_dce): Walk insns backwards in bb rather than
18002         forwards.  Allocate and free arg_stores bitmap if needed, pass it
18003         down to deletable_insn_p, don't mark stores set in arg_stores
18004         bitmap, clear the bitmap at the beginning of each bb.
18005         * Makefile.in (dce.o): Depend on $(TM_P_H).
18006
18007 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
18008
18009         PR target/22599
18010         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
18011         to make sure the insn is a conditional test (bug 22599).  Reformat a
18012         few long lines.
18013
18014 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
18015
18016         PR middle-end/38431
18017         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
18018         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
18019         (gloog): Do not call cleanup_tree_cfg.
18020         (graphite_transform_loops): Call cleanup_tree_cfg after all
18021         scops have been code generated.
18022
18023 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
18024         * doc/gty.texi (Invoking the garbage collector): Added new node
18025         and section documenting ggc_collect.
18026
18027 2009-01-14  Richard Guenther  <rguenther@suse.de>
18028
18029         PR tree-optimization/38826
18030         PR middle-end/38477
18031         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
18032         initialization notes only if we actually emitted a warning.
18033         (intra_create_variable_infos): Add constraints for a result decl
18034         that is passed by hidden reference.
18035         (build_pred_graph): Mark all related variables non-direct on
18036         address-taking.
18037
18038 2009-01-14  Nick Clifton  <nickc@redhat.com>
18039
18040         * ira-conflicts.c: Include addresses.h for the definition of
18041         base_reg_class.
18042         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
18043         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
18044
18045 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
18046
18047         PR target/38811
18048         * Makefile.in (ira-lives.o): Add except.h.
18049
18050         * ira-lives.c: Include except.h.
18051         (process_bb_node_lives): Process can_throw_internal.
18052
18053 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
18054
18055         PR rtl-optimization/38774
18056         * combine.c (simplify_set): When undoing cc_use change, don't do
18057         PUT_CODE on the newly created comparison, but instead put back the
18058         old comparison.
18059
18060 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
18061
18062         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
18063         values.  Remove duplicate arm8 entry.
18064
18065 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
18066
18067         PR tree-optimization/38786
18068         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
18069         the SSA_NAME case of expand_scalar_variables_expr.
18070         Set the type of an expression to the type of its assign statement.
18071         (expand_scalar_variables_expr): Also gather the scalar computation
18072         used to index the memory access.  Do not pass loop_p.
18073         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
18074         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
18075         the gimple_stmt_iterator where it inserts new code.
18076         Do not pass loop_p.
18077         (copy_bb_and_scalar_dependences): Do not pass loop_p.
18078         (translate_clast): Update call to copy_bb_and_scalar_dependences.
18079
18080 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
18081
18082         * graphite.h (debug_value): Removed.
18083         * graphite.c (debug_value): Removed.
18084
18085 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
18086
18087         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
18088         ldrd/strd with two 32-bit instructions.
18089
18090 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
18091
18092         * config/arm/arm.c (struct processors): Pass for speed down into
18093         cost helper functions.
18094         (const_ok_for_op): Handle COMPARE and inequality nodes.
18095         (arm_rtx_costs_1): Rewrite.
18096         (arm_size_rtx_costs): Update prototype.
18097         (arm_rtx_costs): Pass speed down to helper functions.
18098         (arm_slowmul_rtx_costs): Rework cost calculations.
18099         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
18100         (arm_9e_rtx_costs): Likewise.
18101
18102 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
18103
18104         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
18105         relocations of local symbols wider than UNITS_PER_WORD are not valid.
18106         (alpha_legitimize_address): Do not split local symbols wider than
18107         UNITS_PER_WORD into HIGH/LO_SUM parts.
18108
18109 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
18110
18111         PR bootstrap/38580
18112         * gcc.c (process_command): Replace call to execvp with calls
18113         to pex_one and exit.
18114
18115 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
18116
18117         PR target/29141
18118         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
18119         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
18120         variant for devices with 3-byte PC.
18121         (__tablejump_elpm__): New.
18122
18123 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
18124
18125         PR c/32041
18126         * c-parser.c (c_parser_postfix_expression): Allow `->' in
18127         offsetof member-designator, handle it as `[0].'.
18128
18129 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18130
18131         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
18132         function when not using named sections on targets with named sections
18133         if branch distance is less than 262132.
18134
18135 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
18136
18137         * combine.c (combine_instructions):  Recompute
18138         optimize_this_for_speed_p  for each BB in the main combine loop.
18139
18140 2009-01-12  Tomas Bily  <tbily@suse.cz>
18141
18142         PR middlend/38385
18143         * tree-loop-distribution.c (prop_phis): New function.
18144         (generate_builtin): Call prop_phis.
18145         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
18146
18147 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
18148
18149         PR tree-optimization/38807
18150         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
18151         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
18152
18153 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
18154
18155         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
18156         subreg of op0 to the original op0.
18157
18158 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
18159
18160         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
18161
18162 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
18163
18164         PR debug/7055
18165         * mips-tfile.c (parse_def): Fix parsing of def strings
18166         starting with digits.
18167
18168 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
18169
18170         PR target/38695
18171         * config/arm/arm.c (arm_is_long_call_p): Don't call
18172         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
18173
18174 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
18175
18176         * regrename.c (regrename_optimize): Fix dumping.
18177         (find_oldest_value_reg): Preserve REG_POINTER.
18178         (copy_hardreg_forward_1): Likewise.
18179
18180 2009-01-09  Diego Novillo  <dnovillo@google.com>
18181
18182         * gimple.h (struct gimple_statement_base) <uid>: Document
18183         the restrictions on its use.
18184         (gimple_uid): Tidy.
18185         (gimple_set_uid): Tidy.
18186
18187 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
18188
18189         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
18190         zero guard even if align_bytes != 0 and count is smaller than
18191         size_needed.
18192
18193 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
18194
18195         PR rtl-optimization/38495
18196         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
18197         (add_range_and_copies_from_move_list): Print all added ranges.
18198         Add ranges to memory optimized destination.
18199
18200 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
18201
18202         PR target/38686
18203         PR target/38708
18204         * config/i386/i386.c (override_options): Reject
18205         -mstringop-strategy=rep_8byte with -m32.
18206         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
18207         to 1.  Do count comparison against epilogue_size_needed at compile
18208         time even when count_exp was constant forced into register.  For
18209         size_needed don't jump to epilogue, instead just avoid aligning
18210         and invoke the body algorithm.  If need_zero_guard, add zero guard
18211         even if count is non-zero, but smaller than size_needed + number of
18212         bytes that could be stored for alignment.
18213         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
18214         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
18215         but smaller than size_needed + number of bytes that could be stored
18216         for alignment.  Compare size_needed with epilogue_size_needed instead
18217         of desired_align - align, don't adjust size_needed, pass
18218         epilogue_size_needed to the epilogue expanders.
18219
18220         PR c/35742
18221         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
18222
18223 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18224
18225         * pa.c (last_address): Change to unsigned.
18226         (update_total_code_bytes): Change argument to unsigned.  Don't
18227         check if insn addresses are set.
18228         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
18229         addresses are not set.
18230         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
18231
18232 2009-01-09  Nick Clifton  <nickc@redhat.com>
18233
18234         * config/sh/symbian.c: Replace uses of DECL_INLINE with
18235         DECL_DECLARED_INLINE_P.
18236
18237 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
18238
18239         PR middle-end/38347
18240         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
18241         GET_MODE (op0) in operand_subword_force calls.
18242
18243         PR middle-end/38771
18244         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
18245         fold_convert arg0 operands to TREE_TYPE (op0) first.
18246
18247 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
18248
18249         * params.def (ira-max-conflict-table-size): Decrease default value
18250         to 1000.
18251
18252 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
18253
18254         PR tree-optimization/37031
18255         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
18256         on parameter_set.
18257         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
18258         allocate it using gc instead of heap, use VEC_quick_push instead of
18259         VEC_safe_push.
18260         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
18261         instead of heap, use VEC_quick_push instead of VEC_safe_push.
18262         * tree-data-ref.h (struct access_matrix): Change matrix to gc
18263         allocated vector from heap allocated.
18264         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
18265         * tree-loop-linear.c (linear_transform_loops): Allocate nest
18266         vector only after perfect_loop_nest_depth call.
18267
18268 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
18269             Jan Sjodin  <jan.sjodin@amd.com>
18270
18271         PR tree-optimization/38559
18272         * graphite.c (debug_value, copy_constraint,
18273         swap_constraint_variables, scale_constraint_variable, ): New.
18274         (get_lower_bound, get_upper_bound): Removed.
18275         (graphite_trans_bb_strip_mine): Clean up this code that works
18276         only for constant number of iterations.  Fully copy upper and
18277         lower bound constraints, not only the constant part of them.
18278         * graphite.h (debug_value): Declared.
18279
18280 2009-01-08  Ira Rosen  <irar@il.ibm.com>
18281
18282         PR tree-optimization/37194
18283         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
18284         Don't add the cost of cost model guard in prologue to scalar
18285         outside cost in case of known number of iterations.
18286
18287 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
18288             Alan Modra  <amodra@bigpond.net.au>
18289
18290         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
18291         non-word-aligned REG+CONST addressing.
18292
18293 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
18294
18295         PR target/38706
18296         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
18297         free_after_compilation when outputting a thunk.
18298         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
18299         Do not call free_after_compilation here.
18300
18301 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
18302
18303         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
18304         (ix86_valid_target_attribute_inner_p): Ditto.
18305
18306 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
18307
18308         PR tree-optimization/38492
18309         PR tree-optimization/38498
18310         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
18311         * tree-chrec.h (scev_is_linear_expression): Declared.
18312         * graphite.c (graphite_cannot_represent_loop_niter): New.
18313         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
18314         (graphite_loop_normal_form): Use gcc_assert.
18315         (scan_tree_for_params): Use CASE_CONVERT.
18316         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
18317         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
18318         Use gcc_assert.  Discard scops that contain unhandled cases.
18319         (build_scop_conditions): Return a boolean status for unhandled cases.
18320         (strip_mine_profitable_p): Print the loop number, not its depth.
18321         (is_interchange_valid): Pass the depth of the loop nest, don't
18322         recompute it wrongly.
18323         (graphite_trans_bb_block): Same.
18324         (graphite_trans_bb_block): Print tentative of loop blocking.
18325         (graphite_trans_scop_block): Do not print that the loop has been
18326         blocked.
18327         (graphite_transform_loops): Do not handle scops that contain condition
18328         scalar phi nodes.
18329
18330 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
18331
18332         AVX Programming Reference (December, 2008)
18333         * config/i386/avxintrin.h (_mm256_stream_si256): New.
18334         (_mm256_stream_pd): Likewise.
18335         (_mm256_stream_ps): Likewise.
18336
18337         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
18338         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
18339         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
18340         (bdesc_special_args): Add __builtin_ia32_movntdq256,
18341         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
18342         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
18343         (ix86_expand_special_args_builtin): Likewise.
18344
18345         * config/i386/sse.md (AVXMODEDI): New.
18346         (avx_movnt<mode>): Likewise.
18347         (avx_movnt<mode>): Likewise.
18348         (<sse>_movnt<mode>): Remove AVX support.
18349         (sse2_movntv2di): Likewise.
18350
18351 2009-01-07  Richard Guenther  <rguenther@suse.de>
18352
18353         PR middle-end/38751
18354         * fold-const.c (extract_muldiv): Remove obsolete comment.
18355         (fold_plusminus_mult_expr): Undo MINUS_EXPR
18356         to PLUS_EXPR canonicalization for the canonicalization.
18357
18358 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
18359
18360         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
18361         hosted cross-compilers generating less efficient code.
18362
18363 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
18364
18365         * function.h (rtl_data): Add a dbr_scheduled_p field.
18366         * reorg.c (dbr_schedule): Set it.
18367         (gate_handle_delay_slots): Check it.
18368         * config/mips/mips.c (mips_base_delayed_branch): Delete.
18369         (mips_reorg): Check flag_delayed_branch instead of
18370         mips_base_delayed_branch.
18371         (mips_override_options): Don't set mips_base_delayed_branch
18372         or flag_delayed_branch.
18373
18374 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
18375
18376         PR rtl-optimization/38426.
18377         * ira.c (ira): Set current_function_is_leaf earlier.
18378
18379 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
18380
18381         PR rtl-optimization/38722
18382         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
18383         too early, only set a flag and modify after last possible
18384         undo_all point.
18385
18386 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
18387
18388         PR c/34252
18389         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
18390         * real.c (decimal_single_format): Correct values of emin and emax.
18391         (decimal_double_format): Ditto.
18392         (decimal_quad_format): Ditto.
18393         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
18394         computation of DECnn_MIN and DECnn_MAX for corrected values of
18395         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
18396         __DECnn_MIN__, and adjust its computation for the corrected value
18397         of emin.
18398
18399 2009-01-06  Jan Hubicka  <jh@suse.cz>
18400
18401         PR target/38744
18402         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
18403
18404 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
18405
18406         * doc/contrib.texi (Contributors): Slightly adjust the end note.
18407         Add Robert Clark to the list of testers.
18408
18409 2009-01-06  Jan Hubicka  <jh@suse.cz>
18410             Kai Tietz  <kai.tietz@onevision.com>
18411
18412         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
18413         * config/i386/i386.c (ix86_expand_call): Add clobbers.
18414
18415 2009-01-06  Jan Hubicka  <jh@suse.cz>
18416             Kai Tietz  <kai.tietz@onevision.com>
18417
18418         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
18419         for w64 ABI.
18420         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
18421         (ix86_nsaved_regs): Count only general purpose regs.
18422         (ix86_nsaved_sseregs): New.
18423         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
18424         to 16 for w64; compute padding and size of sse reg save area.
18425         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
18426         general purpose regs.
18427         (ix86_emit_save_sse_regs_using_mov): New.
18428         (ix86_expand_prologue): Save SSE regs if needed.
18429         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
18430         (ix86_emit_restore_sse_regs_using_mov): New.
18431         (ix86_expand_epilogue): Save SSE regs if needed.
18432
18433 2009-01-06  Jan Hubicka  <jh@suse.cz>
18434             Kai Tietz  <kai.tietz@onevision.com>
18435
18436         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
18437         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
18438         functions when accumulate outgoing args is off.
18439
18440 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
18441
18442         PR bootstrap/38742
18443         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
18444         before using pseudos_have_intersected_live_ranges_p.
18445
18446         * ira-int.h (ira_assert): Always define.
18447
18448 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
18449
18450         AVX Programming Reference (December, 2008)
18451         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
18452         (_mm256_permute2_pd): Likewise.
18453         (_mm_permute2_ps): Likewise.
18454         (_mm256_permute2_ps): Likewise.
18455         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
18456         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
18457
18458         * config/i386/i386.c (ix86_builtins): Remove
18459         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
18460         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
18461         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
18462         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
18463         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
18464         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
18465         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
18466         __builtin_ia32_vpermil2ps256.
18467         (ix86_init_mmx_sse_builtins): Updated.
18468         (ix86_expand_args_builtin): Likewise.
18469
18470 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18471
18472         * pa.c (output_call): Relocate non-jump insns in the delay slot of
18473         long absolute calls when generating PA 2.0 code.
18474
18475 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
18476
18477         PR rtl-optimization/38583
18478         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
18479
18480         * params.def (ira-max-conflict-table-size): New.
18481
18482         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
18483
18484         * ira.h (ira_conflicts_p): New external definition.
18485
18486         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
18487         table.  Report this.  Return result of building.
18488         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
18489         building conflict table.
18490
18491         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
18492         (ira_color): Use ira_conflicts_p.
18493
18494         * global.c: Include ira.h.
18495         (pseudo_for_reload_consideration_p, build_insn_chain): Use
18496         ira_conflicts_p.
18497
18498         * Makefile.in (global.o): Add ira.h.
18499
18500         * ira-build.c (mark_all_loops_for_removal,
18501         propagate_some_info_from_allocno): New.
18502         (remove_unnecessary_allocnos): Call
18503         propagate_some_info_from_allocno.
18504         (remove_low_level_allocnos): New.
18505         (remove_unnecessary_regions): Add parameter.  Call
18506         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
18507         parameter to remove_unnecessary_regions.
18508         (ira_build): Remove all regions but root if the conflict table was
18509         not built.  Update conflict hard regs for allocnos crossing calls.
18510
18511         * ira.c (ira_conflicts_p): New global.
18512         (ira): Define and use ira_conflicts_p.
18513
18514         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
18515         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
18516         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
18517
18518 2009-01-06  Ben Elliston  <bje@au.ibm.com>
18519
18520         * gengtype-lex.l (YY_NO_INPUT): Define.
18521
18522 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18523
18524         PR c/34911
18525         * c-common.c (handle_vector_size_attribute): Also reject
18526         BOOLEAN_TYPE types.
18527
18528 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
18529
18530         PR tree-optimization/38492
18531         * graphite.c (rename_map_elt, debug_rename_elt,
18532         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
18533         rename_map_elt_info, eq_rename_map_elts,
18534         get_new_name_from_old_name, bb_in_sese_p): Moved around.
18535         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
18536         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
18537         (sese_build_livein_liveouts): New.
18538         (new_sese, free_sese): New.
18539         (new_scop): Call new_sese.
18540         (free_scop): Call free_sese.
18541         (rename_variables_from_edge, rename_phis_end_scop): Removed.
18542         (register_old_new_names): Renamed register_old_and_new_names.
18543         (register_scop_liveout_renames, add_loop_exit_phis,
18544         insert_loop_close_phis, struct igp,
18545         default_liveout_before_guard, add_guard_exit_phis,
18546         insert_guard_phis, copy_renames): New.
18547         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
18548         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
18549         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
18550         (scop_adjust_phis_for_liveouts): New.
18551         (gloog): Call scop_adjust_phis_for_liveouts.
18552
18553         * graphite.h (struct sese): Documented.  Added fields liveout,
18554         num_ver and livein.
18555         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
18556         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
18557         (struct scop): Added field liveout_renames.
18558         (SCOP_LIVEOUT_RENAMES): New.
18559
18560 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
18561
18562         PR tree-optimization/38510
18563         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
18564         (translate_clast): Call recompute_all_dominators before
18565         graphite_verify.
18566         (gloog): Call recompute_all_dominators before graphite_verify.
18567
18568 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
18569             Jan Sjodin  <jan.sjodin@amd.com>
18570
18571         PR tree-optimization/38500
18572         * graphite.c (create_sese_edges): Call fix_loop_structure after
18573         splitting blocks.
18574
18575 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
18576
18577         * config.gcc: Add m32r*-*-rtems*.
18578         * config/m32r/rtems.h: New file.
18579
18580 2009-01-05  Ben Elliston  <bje@au.ibm.com>
18581
18582         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
18583         (.po.pox): Likewise.
18584         (po/gcc.pot): Likewise.
18585
18586 2009-01-04  David S. Miller  <davem@davemloft.net>
18587
18588         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
18589         (STARTING_FRAME_OFFSET): Always set to zero.
18590
18591 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
18592
18593         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
18594         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
18595         fixed-point types, and vectors of the same.
18596
18597 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
18598
18599         * config/mips/sync.md (*mb_barrier): Rename to...
18600         (*memory_barrier): ...this.
18601
18602 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
18603
18604         * doc/extend.texi (Function Attributes): Move @cindex after @item
18605         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
18606         and put in alphabetical order. Fix 'target' name and put in order.
18607         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
18608         typos.
18609
18610 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
18611
18612         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
18613         (memory_barrier): Expand as unspec instead of unspec_volatile.
18614         Remove mem:BLK from insn operands.  Use Pmode scratch register.
18615         (*memory_barrier): Define as unspec instead of unspec_volatile.
18616         Use (match_dup 0) as input operand.
18617
18618         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
18619         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
18620         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
18621         scratch register.  Remove operand 1.
18622         (*stbar): Define as unspec instead of unspec_volatile.
18623         Use (match_dup 0) as input operand, remove (const_int 8).
18624         (*membar): Define as unspec instead of unspec_volatile.
18625         Use (match_dup 0) as input operand, remove input operand 2.
18626
18627         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
18628         (memory_barrier): Expand as unspec instead of unspec_volatile.
18629         Remove mem:BLK from insn operands.  Use Pmode scratch register.
18630         (*memory_barrier): Define as unspec instead of unspec_volatile.
18631         Use (match_dup 0) as input operand.
18632
18633         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
18634         Remove mem:BLK from insn operands.  Use Pmode scratch register.
18635         Set volatile flag on operand 0.
18636         (*memory_barrier): New insn pattern.
18637
18638         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
18639         insn operands.
18640         (*memory_barrier): Use (match_dup 0) as input operand.
18641
18642         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
18643         Remove mem:BLK from insn operands.  Use Pmode scratch register.
18644         Set volatile flag on operand 0.
18645         (*mb_internal): New insn pattern.
18646
18647         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
18648
18649 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
18650
18651         PR middle-end/38586
18652         * function.c (struct temp_slot): Move to the section of the file
18653         that deals with temp slots.  Remove field 'address'.
18654         (temp_slot_address_table): New hash table of address -> temp slot.
18655         (struct temp_slot_address_entry): New struct, items for the table.
18656         (temp_slot_address_compute_hash, temp_slot_address_hash,
18657         temp_slot_address_eq, insert_temp_slot_address): Support functions
18658         for the new table.
18659         (find_temp_slot_from_address): Rewrite to use the new hash table.
18660         (remove_unused_temp_slot_addresses): Remove addresses of temp
18661         slots that have been made available.
18662         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
18663         worker function for remove_unused_temp_slot_addresses.
18664         (assign_stack_temp_for_type): Don't clear the temp slot address list.
18665         Add the temp slot address to the address -> temp slot map.
18666         (update_temp_slot_address): Update via insert_temp_slot_address.
18667         (free_temp_slots): Call remove_unused_temp_slot_addresses.
18668         (pop_temp_slots): Likewise.
18669         (init_temp_slots): Allocate the address -> temp slot map, or empty
18670         the map if it is already allocated.
18671         (prepare_function_start): Initialize temp slot processing.
18672
18673 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
18674
18675         PR middle-end/38584
18676         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
18677         Calculate the size of all stack vars assuming no packing of stack
18678         vars will happen, replacing a quadratic algorithm with a linear one.
18679
18680 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
18681
18682         PR target/38707
18683         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
18684         can't be used.
18685
18686 2009-01-03  Diego Novillo  <dnovillo@google.com>
18687
18688         * doc/contrib.texi: Update contributions.
18689
18690 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
18691
18692         PR c++/38705
18693         * builtins.c (fold_builtin_memory_op): Give up if either operand
18694         is volatile.  Set srctype or desttype to non-qualified version
18695         of the other type.
18696
18697         PR c/38700
18698         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
18699         and FUNCTION_DECLs.
18700
18701 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
18702
18703         PR rtl-optimization/35805
18704         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
18705         problem if fast dce is able to remove any instructions.
18706         * dce.c (dce_process_block): Fix dump message.
18707
18708 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
18709
18710         PR 33649
18711         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
18712
18713 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
18714
18715         PR middle-end/38690
18716         * tree-flow.h (op_code_prio, op_prio): New prototypes.
18717         * tree-pretty-print.c (op_code_prio): New function.
18718         (op_prio): No longer static.  Use op_code_prio.
18719         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
18720         Use op_prio and op_code_prio to determine if () should be
18721         printed around operand(s) or not.
18722
18723         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
18724         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
18725         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
18726         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
18727         pp_character instead of pp_string for single letter printing.
18728
18729 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
18730
18731         * doc/extend.texi: Fix '#pragma GCC option' typo.
18732
18733 2009-01-02  Richard Guenther  <rguenther@suse.de>
18734
18735         * doc/install.texi (--enable-checking): Mention different
18736         default for stage1.
18737         (--enable-stage1-checking): Document.
18738
18739 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
18740
18741         PR middle-end/30142
18742         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
18743         case to be an error.
18744
18745 2009-01-02  Ben Elliston  <bje@au.ibm.com>
18746
18747         * config/fp-bit.h (pack_d): Constify argument.
18748         * config/fp-bit.c (makenan): Constify return type. Remove casts.
18749         (isnan): Constify argument.
18750         (isinf): Likewise.
18751         (iszero): Likewise.
18752         (pack_d): Likewise.
18753         (_fpadd_parts): Constify return type.
18754         (_fpmul_parts): Likewise.
18755         (_fpdiv_parts): Likewise.
18756
18757 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
18758
18759         PR c/36489
18760         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
18761         warn about overwriting initializer with side-effects or
18762         -Woverride-init if !IMPLICIT.
18763         (output_init_element): Likewise.  Pass IMPLICIT down to
18764         add_pending_init.
18765         (process_init_element): Add IMPLICIT argument.  Pass it down
18766         to output_init_element.
18767         (push_init_element, pop_init_level, set_designator): Adjust
18768         process_init_element callers.
18769         (set_nonincremental_init, set_nonincremental_init_from_string):
18770         Adjust add_pending_init callers.
18771         (output_pending_init_elements): Adjust output_init_element callers.
18772         * c-tree.h (process_init_element): Adjust prototype.
18773         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
18774         process_init_element callers.
18775
18776 \f
18777 Copyright (C) 2009 Free Software Foundation, Inc.
18778
18779 Copying and distribution of this file, with or without modification,
18780 are permitted in any medium without royalty provided the copyright
18781 notice and this notice are preserved.