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* final.c (shorten_branches): Do not align labels for jump tables.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-05-23  Mark Mitchell  <mark@codesourcery.com>
2
3         * final.c (shorten_branches): Do not align labels for jump tables.
4         (final_scan_insn): Use JUMP_TABLE_DATA_P.
5
6 2009-05-23  Eric Botcazou  <ebotcazou@adacore.com>
7
8         * doc/passes.texi: Standardize spelling of RTL, Tree and Tree SSA.
9         Remove outdated reference to flow.c and fix nits.
10         * doc/gccint.texi: Tweak RTL description.
11         * doc/rtl.texi: Likewise.
12
13 2009-05-23  Denis Chertykov  <chertykov@gmail.com>
14
15         * config/avr/avr.c: Change my email address.
16         * config/avr/avr.h: Likewise.
17         * config/avr/avr.md: Likewise.
18         * config/avr/avr-protos.h: Likewise.
19         * config/avr/libgcc.S: Likewise.
20
21 2009-05-22  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
22
23         * config/spu/spu-protos.h (aligned_mem_p, spu_valid_mov): Remove.
24         (spu_split_load, spu_split_store): Change return type to int.
25         (spu_split_convert): Declare.
26         * config/spu/predicates.md (spu_mem_operand): Remove.
27         (spu_mov_operand): Update.
28         (spu_dest_operand, shiftrt_operator, extend_operator): Define.
29         * config/spu/spu.c (regno_aligned_for_load): Remove.
30         (reg_aligned_for_addr, spu_expand_load): Define.
31         (spu_expand_extv): Reimplement and handle MEM.
32         (spu_expand_insv): Handle MEM.
33         (spu_sched_reorder): Handle insn's with length 0.
34         (spu_legitimate_address_p): Reimplement.
35         (store_with_one_insn_p): Return TRUE for any mode with size
36         larger than 16 bytes.
37         (address_needs_split): Define.
38         (spu_expand_mov): Call spu_split_load and spu_split_store for MEM
39         operands.
40         (spu_convert_move): Define.
41         (spu_split_load): Use spu_expand_load and change all MEM's to
42         TImode.
43         (spu_split_store): Change all MEM's to TImode.
44         (spu_init_expanders): Preallocate registers that correspond to
45         LAST_VIRTUAL_REG+1 and LAST_VIRTUAL_REG+2 and set them with
46         mark_reg_pointer.
47         (spu_split_convert): Define.
48         * config/spu/spu.md (QHSI, QHSDI): New mode iterators.
49         (_move<mode>, _movdi, _movti): Update predicate and condition.
50         (load, store): Change to define_split.
51         (extendqiti2, extendhiti2, extendsiti2, extendditi2): Simplify to
52         extend<mode>ti2.
53         (zero_extendqiti2, zero_extendhiti2, <v>lshr<mode>3_imm): Define.
54         (lshr<mode>3, lshr<mode>3_imm, lshr<mode>3_re): Simplify to one
55         define_insn_and_split of lshr<mode>3.
56         (shrqbybi_<mode>, shrqby_<mode>): Simplify to define_expand.
57         (<v>ashr<mode>3_imm): Define.
58         (extv, extzv, insv): Allow MEM operands.
59         (trunc_shr_ti<mode>, trunc_shr_tidi, shl_ext_<mode>ti,
60         shl_ext_diti, sext_trunc_lshr_tiqisi, zext_trunc_lshr_tiqisi,
61         sext_trunc_lshr_tihisi, zext_trunc_lshr_tihisi): Define for combine.
62         (_spu_convert2): Change to define_insn_and_split and remove the
63         corresponding define_peephole2.
64         (stack_protect_set, stack_protect_test, stack_protect_test_si):
65         Change predicates to memory_operand.
66
67 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
68
69         * config/arm/thumb2.md: Add 16-bit multiply instructions.
70
71 2009-05-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
72
73         PR tree-optimization/40219
74         * tree.c (iterative_hash_expr): Make sure the builtin function is
75         a normal builtin function and not a front end or back end builtin
76         before indexing into the built_in_decls array.
77
78 2009-05-22  Richard Guenther  <rguenther@suse.de>
79
80         PR middle-end/38964
81         * alias.c (write_dependence_p): Do not use TBAA for answering
82         anti-dependence or output-dependence.
83         * tree-ssa-structalias.c (set_uids_in_ptset): Remove TBAA pruning
84         code.
85         (emit_pointer_definition): Remove.
86         (emit_alias_warning): Likewise.
87         (find_what_var_points_to): Remove TBAA pruning code.
88         (find_what_p_points_to): Likewise.  Do not warn about strict-aliasing
89         violations.
90         (compute_points_to_sets): Remove code computing the set of
91         dereferenced pointers.
92         * tree-data-ref.c (dr_may_alias_p): Properly use the split
93         oracle for querying anti and output dependencies.
94         * tree-ssa-alias.c (refs_may_alias_p_1): Add argument specifying
95         if TBAA may be applied.
96         (refs_anti_dependent_p): New function.
97         (refs_output_dependent_p): Likewise.
98         * tree-ssa-alias.h (refs_anti_dependent_p): Declare.
99         (refs_output_dependent_p): Likewise.
100         * doc/tree-ssa.texi (Memory model): New section.
101         * doc/c-tree.texi (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
102         * doc/gimple.texi (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
103         * cfgexpand.c (expand_gimple_basic_block): Do not handle
104         GIMPLE_CHANGE_DYNAMIC_TYPE or CHANGE_DYNAMIC_TYPE_EXPR.
105         * expr.c (expand_expr_real_1): Likewise.
106         * gimple-low.c (lower_stmt): Likewise.
107         * gimple-pretty-print.c (dump_gimple_stmt): Likewise.
108         (dump_gimple_cdt): Remove.
109         * gimple.c (gss_for_code): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
110         (gimple_size): Likewise.
111         (walk_gimple_op): Likewise.
112         (is_gimple_stmt): Likewise.
113         (walk_stmt_load_store_addr_ops): Likewise.
114         (gimple_build_cdt): Remove.
115         * gimple.def (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
116         * gimple.h (gimple_cdt_new_type): Remove.
117         (gimple_cdt_new_type_ptr): Likewise.
118         (gimple_cdt_set_new_type): Likewise.
119         (gimple_cdt_location): Likewise.
120         (gimple_cdt_location_ptr): Likewise.
121         (gimple_cdt_set_location): Likewise.
122         * gimplify.c (gimplify_expr): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
123         * tree-cfg.c (remove_useless_stmts_1): Do not handle
124         GIMPLE_CHANGE_DYNAMIC_TYPE.
125         (verify_types_in_gimple_stmt): Likewise.
126         * tree-inline.c (estimate_num_insns): Likewise.
127         (expand_call_inline): Do not copy DECL_NO_TBAA_P.
128         (copy_decl_to_var): Likewise.
129         (copy_result_decl_to_var): Likewise.
130         * tree-pretty-print.c (dump_generic_node): Do not handle
131         CHANGE_DYNAMIC_TYPE_EXPR.
132         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
133         * tree-ssa-operands.c (get_expr_operands): Likewise.
134         * tree-ssa-structalias.c (struct variable_info): Remove
135         no_tbaa_pruning member.
136         (new_var_info): Do not set it based on DECL_NO_TBAA_P.
137         (unify_nodes): Do not copy it.
138         (find_func_aliases): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
139         (dump_solution_for_var): Do not dump no_tbaa_pruning state.
140         (set_uids_in_ptset): Do not check it.
141         (find_what_var_points_to): Likewise.
142         (compute_tbaa_pruning): Remove.
143         (compute_points_to_sets): Do not call it.
144         * tree.c (walk_tree_1): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
145         * tree.def (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
146         * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Remove.
147         (CHANGE_DYNAMIC_TYPE_LOCATION): Likewise.
148         (DECL_NO_TBAA_P): Likewise.
149         (struct tree_decl_common): Move no_tbaa_flag to unused flags section.
150         * omp-low.c (copy_var_decl): Do not copy DECL_NO_TBAA_P.
151         (expand_omp_atomic_pipeline): Do not set it.
152         * print-tree.c (print_node): Do not dump it.
153         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
154         redundant check.
155
156 2009-05-22 Vladimir Makarov <vmakarov@redhat.com>
157
158         PR target/39856
159         * reg-stack.c (subst_stack_regs_pat): Remove gcc_assert for note
160         for clobber.
161
162 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
163
164         * tree.c (handle_dll_attribute): Mark dllexport'd inlines as
165         non-external.
166
167 2009-05-22  Ben Elliston  <bje@au.ibm.com>
168
169         * Makefile.in (bversion.h, s-bversion): New targets.
170         (TOPLEV_H): Add bversion.h.
171         * toplev.h: Include "bversion.h".
172         (ATTRIBUTE_GCC_DIAG): When building with checking disabled, use
173         the __format__ attribute only if compiling with the same version
174         of GCC as the sources (the "build version").
175
176 2009-05-22  Ben Elliston  <bje@au.ibm.com>
177
178         * c-format.c (handle_format_attribute): Fix comment typo.
179
180 2009-05-21  Steve Ellcey  <sje@cup.hp.com>
181
182         PR target/37846
183         * config/ia64/ia64.opt (mfused-madd): New.
184         * config/ia64/ia64.h (TARGET_DEFAULT): Set MASK_FUSED_MADD.
185         * config/ia64/hpux.h (TARGET_DEFAULT): Ditto.
186         * config/ia64/ia64.md (maddsf4, msubsf4, nmaddsf4,
187         madddf4, madddf4_trunc, msubdf4, msubdf4_trunc, nmadddf4,
188         nmadddf4_truncsf, maddxf4, maddxf4_truncsf, maddxf4_truncdf,
189         msubxf4, msubxf4_truncsf msubxf4_truncdf, nmaddxf4,
190         nmaddxf4_truncsf, nmaddxf4_truncdf): Check TARGET_FUSED_MADD.
191         * config/ia64/vect.md (addv2sf3, subv2sf3): Force fpma/fpms 
192         instruction if !TARGET_FUSED_MADD.
193         (fpma, fpms): Remove colon from name.
194
195 2009-05-22  Richard Guenther  <rguenther@suse.de>
196
197         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record
198         TMR_ORIGINAL.  Always either record TMR_SYMBOL or TMR_BASE.
199         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
200         TARGET_MEM_REF.
201         (create_expression_by_pieces): Only convert if necessary.
202         * gimplify.c (gimplify_expr): Handle TARGET_MEM_REF.
203         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Handle INTEGER_CST.
204
205 2009-05-21  Adam Nemet  <anemet@caviumnetworks.com>
206
207         * config/mips/mips.md (*extzv_trunc<mode>_exts): Turn into a
208         regular pattern from a template and rename it ...
209         (*extzv_truncsi_exts): ... to this.
210
211 2009-05-21  Richard Guenther  <rguenther@suse.de>
212
213         * cgraph.h (struct cgraph_node): Remove inline_decl member.
214         * ipa-inline.c (cgraph_mark_inline_edge): Do not check it.
215         (cgraph_default_inline_p): Likewise.
216         (cgraph_decide_inlining_incrementally): Likewise.
217
218 2009-05-21  H.J. Lu  <hongjiu.lu@intel.com>
219             Uros Bizjak  <ubizjak@gmail.com>
220
221         * config/i386/cpuid.h (bit_MOVBE): New.
222
223         * config/i386/driver-i386.c (host_detect_local_cpu): Check movbe.
224
225         * config/i386/i386.c (OPTION_MASK_ISA_MOVBE_SET): New.
226         (OPTION_MASK_ISA_MOVBE_UNSET): Likewise.
227         (ix86_handle_option): Handle OPT_mmovbe.
228         (ix86_target_string): Add -mmovbe.
229         (pta_flags): Add PTA_MOVBE.
230         (processor_alias_table): Add PTA_MOVBE to "atom".
231         (override_options): Handle PTA_MOVBE.
232
233         * config/i386/i386.h (TARGET_MOVBE): New.
234
235         * config/i386/i386.md (bswapsi2): Check TARGET_MOVBE.
236         (*bswapsi_movbe): New.
237         (*bswapdi_movbe): Likewise.
238         (bswapdi2): Renamed to ...
239         (*bswapdi_1): This.
240         (bswapdi2): New expander.
241
242         * config/i386/i386.opt (mmovbe): New.
243
244         * doc/invoke.texi: Document -mmovbe.
245
246 2009-05-21  Taras Glek  <tglek@mozilla.com>
247
248         * plugin.c (try_init_one_plugin): Updated to new plugin_init API.
249         * gcc-plugin.h (plugin_init): Updated signature.
250         * gcc-plugin.h (plugin_name_args): Moved to this header.
251         * doc/plugins.texi (plugin_init): Updated documention to reflect
252         API change.
253         * doc/plugins.texi (plugin_name_args): Added to documention.
254
255 2009-05-21  Mark Mitchell  <mark@codesourcery.com>
256
257         * config/arm/neon.md (*mul<mode>3add<mode>_neon): New pattern.
258         (*mul<mode>3neg<mode>add<mode>_neon): Likewise.
259
260 2009-05-21  Shujing Zhao  <pearly.zhao@oracle.com>
261
262         * config/i386/i386.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P and
263         JUMP_TABLE_DATA_P predicates where applicable.
264         * config/i386/predicates.md: Ditto.
265         * config/i386/sse.md: Ditto.
266
267 2009-05-21  Jakub Jelinek  <jakub@redhat.com>
268
269         * config/i386/i386.md (adddi_4_rex64, addsi_4, addhi_4): For
270         operand2 -128 override length_immediate attribute to 1.
271         * config/i386/predicates.md (constm128_operand): New predicate.
272
273         * config/i386/i386.c (memory_address_length): Handle %r12
274         the same as %rsp and %r13 the same as %rbp.  For %rsp and %rbp
275         also check REGNO.
276         (ix86_attr_length_address_default): For MODE_SI lea in 64-bit
277         mode look through optional ZERO_EXTEND and SUBREG.
278         * config/i386/i386.md (R12_REG): New define_constant.
279         (prefix_data16): For sse unit set also for MODE_TI insns.
280         (prefix_rex): For -m32 always return 0.  For TYPE_IMOVX
281         insns set if operand 1 is ext_QIreg_operand.
282         (modrm): For TYPE_IMOV clear only if not MODE_DI.  For
283         TYPE_{ALU{,1},ICMP,TEST} insn clear if there is non-shortened
284         immediate.
285         (*movdi_extzv_1, zero_extendhidi2, zero_extendqidi2): Change
286         mode from MODE_DI to MODE_SI.
287         (movdi_1_rex64): Override modrm and length_immediate attributes
288         only for movabs (TYPE_IMOV, alternative 2).
289         (zero_extendsidi2_rex64): Clear prefix_0f attribute if TYPE_IMOVX.
290         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit,
291         *float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit,
292         *float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit,
293         *float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Set
294         prefix_rex attribute if DImode.
295         (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64, *adddi_5_rex64,
296         *addsi_1, *addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
297         *addsi_3_zext, *addsi_5, *addhi_1_lea, *addhi_1, *addhi_2, *addhi_3,
298         *addhi_5, *addqi_1_lea, *addqi_1): Override length_immediate
299         attribute to 1 if TYPE_ALU and operand 2 is const128_operand.
300         (pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64):
301         Likewise.  For TYPE_IMOV clear length_immediate attribute.
302         (*ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashldi3_cconly_rex64,
303         *ashlsi3_1, *ashlsi3_1_zext, *ashlsi3_cmp, **ashlsi3_cconly,
304         *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1, *ashlhi3_cmp,
305         *ashlhi3_cconly, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
306         *ashlqi3_cconly): Override length_immediate attribute to 0 if TYPE_ALU
307         or one operand TYPE_ISHIFT.
308         (*ashrdi3_1_one_bit_rex64, *ashrdi3_one_bit_cmp_rex64,
309         *ashrdi3_one_bit_cconly_rex64, *ashrsi3_1_one_bit,
310         *ashrsi3_1_one_bit_zext, *ashrsi3_one_bit_cmp,
311         *ashrsi3_one_bit_cconly, *ashrsi3_one_bit_cmp_zext,
312         *ashrhi3_1_one_bit, *ashrhi3_one_bit_cmp, *ashrhi3_one_bit_cconly,
313         *ashrqi3_1_one_bit, *ashrqi3_1_one_bit_slp, *ashrqi3_one_bit_cmp,
314         *ashrqi3_one_bit_cconly, *lshrdi3_1_one_bit_rex64,
315         *lshrdi3_cmp_one_bit_rex64, *lshrdi3_cconly_one_bit_rex64,
316         *lshrsi3_1_one_bit, *lshrsi3_1_one_bit_zext, *lshrsi3_one_bit_cmp,
317         *lshrsi3_one_bit_cconly, *lshrsi3_cmp_one_bit_zext,
318         *lshrhi3_1_one_bit, *lshrhi3_one_bit_cmp, *lshrhi3_one_bit_cconly,
319         *lshrqi3_1_one_bit, *lshrqi3_1_one_bit_slp, *lshrqi2_one_bit_cmp,
320         *lshrqi2_one_bit_cconly, *rotlsi3_1_one_bit_rex64, *rotlsi3_1_one_bit,
321         *rotlsi3_1_one_bit_zext, *rotlhi3_1_one_bit, *rotlqi3_1_one_bit_slp,
322         *rotlqi3_1_one_bit, *rotrdi3_1_one_bit_rex64, *rotrsi3_1_one_bit,
323         *rotrsi3_1_one_bit_zext, *rotrhi3_one_bit, *rotrqi3_1_one_bit,
324         *rotrqi3_1_one_bit_slp): Override length_immediate attribute to 0,
325         set mode attribute, don't override length attribute.
326         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Set prefix_0f attribute
327         to 1.
328         (return_internal_long): Set length attribute to 2 instead of 1.
329         (*strmovqi_rex_1, *strsetqi_rex_1, *rep_stosqi_rex64,
330         *cmpstrnqi_nz_rex_1, *cmpstrnqi_rex_1, *strlenqi_rex_1): Clear
331         prefix_rex attribute.
332         * config/i386/predicates.md (ext_QIreg_operand,
333         const128_operand): New predicates.
334         (memory_displacement_only_operand): Always return 0 for
335         TARGET_64BIT.
336
337 2009-05-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
338
339         * config/arm/thumb2.md (orsi_notsi_si): Fix typo in pattern.
340
341 2009-05-20  Ian Lance Taylor  <iant@google.com>
342
343         * tree.c (build_tree_list_vec_stat): New function.
344         (ctor_to_vec): New function.
345         (build_nt_call_vec): New function.
346         (build_call_array): Change args to be a const pointer.
347         (build_call_vec): New function.
348         * tree.h (build_nt_call_vec): Declare.
349         (build_tree_list_vec_stat): Declare.
350         (build_tree_list_vec): Define.
351         (build_call_array): Update declaration.
352         (build_call_vec): Declare.
353         (ctor_to_vec): Declare.
354         * c-common.c (tree_vector_cache): New static variable.
355         (make_tree_vector): New function.
356         (release_tree_vector): New function.
357         (make_tree_vector_single): New function.
358         (make_tree_vector_copy): New function.
359         * c-common.h (tree_vector_cache, make_tree_vector): Declare.
360         (make_tree_vector_single, make_tree_vector_copy): Declare.
361         * c-parser.c (cached_expr_list_1, cached_expr_list_2): Remove.
362         (c_parser_expr_list): Don't manage cache here, instead call
363         make_tree_vector.
364         (c_parser_release_expr_list): Remove static function.
365         (c_parser_vec_to_tree_list): Remove static function.
366         (c_parser_attributes): Call build_tree_list_vec instead of
367         c_parser_vec_to_tree_list.  Call release_tree_vector instead of
368         c_parser_release_expr_list.
369         (c_parser_postfix_expression_after_primary): Likewise.
370         (c_parser_objc_keywordexpr): Likewise.
371
372 2009-05-20  Sandra Loosemore  <sandra@codesourcery.com>
373
374         * doc/tm.texi (Misc): Document TARGET_INVALID_PARAMETER_TYPE,
375         TARGET_INVALID_RETURN_TYPE, TARGET_PROMOTED_TYPE, and
376         TARGET_CONVERT_TO_TYPE.
377         * hooks.c (hook_tree_const_tree_null): Define.
378         * hooks.h (hook_tree_const_tree_null): Declare.
379         * target.h (struct gcc_target):  Add invalid_parameter_type,
380         invalid_return_type, promoted_type, and convert_to_type fields.
381         * target-def.h: (TARGET_INVALID_PARAMETER_TYPE): Define.
382         (TARGET_INVALID_RETURN_TYPE): Define.
383         (TARGET_PROMOTED_TYPE): Define.
384         (TARGET_CONVERT_TO_TYPE): Define.
385         (TARGET_INITIALIZER): Update for new fields.
386         * c-decl.c (grokdeclarator): Check targetm.invalid_return_type.
387         (grokparms): Check targetm.invalid_parameter_type.
388         * c-typeck.c (default_conversion): Check targetm.promoted_type.
389         * c-convert.c (convert): Check targetm.convert_to_type.
390
391 2009-05-20  Adam Nemet  <anemet@caviumnetworks.com>
392
393         * config/mips/mips.md (*extenddi_truncate<mode>,
394         *extendsi_truncate<mode>): Emit exts if supported.  Add attribute
395         defintions.
396         (*extendhi_truncateqi): New define_insn_and_sptit.
397
398 2009-05-20  Jakub Jelinek  <jakub@redhat.com>
399
400         PR middle-end/40204
401         * fold-const.c (fold_binary) <case BIT_AND_EXPR>: Avoid infinite
402         recursion if build_int_cst_type returns the same INTEGER_CST as
403         arg1.
404
405 2009-05-20  Eric Botcazou  <ebotcazou@adacore.com>
406
407         * fold-const.c (build_fold_addr_expr_with_type): Take the address of
408         the operand of VIEW_CONVERT_EXPR.
409
410 2009-05-20  H.J. Lu  <hongjiu.lu@intel.com>
411
412         * config/i386/driver-i386.c (host_detect_local_cpu): Check
413         extended family and model for Intel processors.  Support Intel
414         Atom.
415
416 2009-05-20  Olivier Hainque  <hainque@adacore.com>
417
418         * gstab.h (stab_code_type): Define, to be used instead of the
419         __stab_debug_code enum, made anonymous.  Add 2009 to the copyright
420         notice.
421         * dbxout.c (STAB_CODE_TYPE): Remove #define and replace use
422         occurrences by stab_code_type.
423         * mips-tfile.c (STAB_CODE_TYPE): Remove #define, unused.
424
425 2009-05-20  Martin Jambor  <mjambor@suse.cz>
426
427         * tree-flow.h (insert_edge_copies_seq): Undeclare.
428         (sra_insert_before): Likewise.
429         (sra_insert_after): Likewise.
430         (sra_init_cache): Likewise.
431         (sra_type_can_be_decomposed_p): Likewise.
432         * tree-mudflap.c (insert_edge_copies_seq): Copied here from tree-sra.c
433         * tree-sra.c (sra_type_can_be_decomposed_p): Made static.
434         (sra_insert_before): Likewise.
435         (sra_insert_after): Likewise.
436         (sra_init_cache): Likewise.
437         (insert_edge_copies_seq): Made static and moved upwards.
438
439         * tree-complex.c (extract_component): Added VIEW_CONVERT_EXPR switch
440         case.
441
442         * tree-flow-inline.h (contains_view_convert_expr_p): New function.
443
444         * ipa-prop.c (get_ssa_def_if_simple_copy): New function.
445         (determine_cst_member_ptr): Call get_ssa_def_if_simple_copy to skip
446         simple copies.
447
448 2009-05-20  Richard Guenther  <rguenther@suse.de>
449
450         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
451         with mismatched comparison modes.
452
453 2009-05-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
454     
455         * config/arm/arm.md (*arm_iorsi3): Refactored for only ARM.
456         (peephole ior (reg, int) -> mov, ior): Refactored for only ARM.
457         * config/arm/thumb2.md (*thumb_andsi_not_shiftsi_si): Allow bic
458         with shifts for Thumb2.
459         (orsi_notsi): New for orn.
460         (*thumb_orsi_notshiftsi_si): Allow orn with shifts.
461         (*thumb2_iorsi3): Rewrite support for iorsi for Thumb2.
462         * config/arm/arm.c (const_ok_for_op): Split case for IOR for
463         Thumb2.
464         (arm_gen_constant): Set can_invert for IOR and Thumb2, Add
465         comments. Don't invert remainder for IOR.
466         
467 2009-05-19  Zdenek Dvorak  <ook@ucw.cz>
468
469         PR tree-optimization/40087
470         * tree-ssa-loop-niter.c (number_of_iterations_ne_max,
471         number_of_iterations_ne): Rename never_infinite argument.
472         (number_of_iterations_lt_to_ne, number_of_iterations_lt,
473         number_of_iterations_le): Handle pointer-type ivs when
474         exit_must_be_taken is false.
475         (number_of_iterations_cond):  Do not always assume that
476         exit_must_be_taken if the control variable is a pointer.
477
478 2009-05-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
479
480         * c-typeck.c (build_binary_op): Allow % on integal vectors.
481         * doc/extend.texi (Vector Extension): Document that % is allowed too.
482
483 2009-05-19  H.J. Lu  <hongjiu.lu@intel.com>
484
485         * config/i386/i386.c (ix86_avoid_jump_mispredicts): Check
486         ASM_OUTPUT_MAX_SKIP_PAD instead of ASM_OUTPUT_MAX_SKIP_ALIGN.
487
488 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
489
490         PR c/40172
491         * c.opt (Wlogical-op): Disabled by default.
492         * c-opt (c_common_post_options): Do not enable Wlogical-op with
493         Wextra.
494         * doc/invoke.texi (Wlogical-op): Likewise.
495         
496 2009-05-19  Eric Botcazou  <ebotcazou@adacore.com>
497
498         * tree-scalar-evolution.c (follow_ssa_edge_expr) <NOP_EXPR>: Turn
499         into CASE_CONVERT.
500         <PLUS_EXPR>: Strip useless type conversions instead of type nops.
501         Propagate the type of the first operand.
502         <ASSERT_EXPR>: Simplify.
503         (follow_ssa_edge_in_rhs): Use gimple_expr_type to get the type.
504         Rewrite using the RHS code as discriminant.
505         <NOP_EXPR>: Turn into CASE_CONVERT.
506         <PLUS_EXPR>: Propagate the type of the first operand.
507
508 2009-05-19  Steve Ellcey  <sje@cup.hp.com>
509
510         * config/ia64/ia64-protos.h (ia64_dconst_0_5): New.
511         (ia64_dconst_0_375): New.
512         * config/ia64/ia64.c (ia64_override_options): Remove
513         -minline-sqrt-min-latency warning.
514         (ia64_dconst_0_5_rtx, ia64_dconst_0_5): New.
515         (ia64_dconst_0_375_rtx, ia64_dconst_0_375): New
516         * config/ia64/ia64.md (*sqrt_approx): Remove.
517         (sqrtsf2): Remove #if 0.
518         (sqrtsf2_internal_thr): Rewrite and move to div.md.
519         (sqrtdf): Remove assert.
520         (sqrtdf2_internal_thr): Rewrite and move to div.md.
521         (sqrtxf2): Remove #if 0.
522         (sqrtxf2_internal_thr): Rewrite and move to div.md.
523         * div.md (sqrt_approx_rf): New.
524         (sqrtsf2_internal_thr): New implementation.
525         (sqrtsf2_internal_lat): New.
526         (sqrtdf2_internal_thr: New implementation.
527         (sqrtxf2_internal): New implementation.
528
529 2009-05-19  Francois-Xavier Coudert  <fxcoudert@gmail.com>
530             Hans-Peter Nilsson  <hp@axis.com>
531
532         * defaults.h (UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE)
533         (WCHAR_TYPE, MODIFIED_WCHAR_TYPE, PTRDIFF_TYPE, WINT_TYPE)
534         (INTMAX_TYPE, UINTMAX_TYPE, SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE)
535         (INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE)
536         (UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE)
537         (INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE)
538         (UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE)
539         (INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE)
540         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE)
541         (SIZE_TYPE, PID_TYPE, CHAR16_TYPE, CHAR32_TYPE): Move defaults here...
542         * c-common.c: ...from here.
543
544 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
545
546         * c-common.c (warn_logical_operator): Remove unnecessary
547         conditionals.
548
549 2009-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
550
551         * builtins.c (do_mpc_arg1): Separate MPFR/MPC C rounding types.
552
553 2009-05-19  Ben Elliston  <bje@au.ibm.com>
554
555         * unwind-dw2-fde.c (fde_unencoded_compare): Replace type punning
556         assignments with memcpy calls.
557         (add_fdes): Likewise.
558         (binary_search_unencoded_fdes): Likewise.
559         (linear_search_fdes): Eliminate type puns.
560         
561 2009-05-19  Richard Guenther  <rguenther@suse.de>
562
563         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do
564         not falsely claim to have propagated into all uses.
565
566 2009-05-19  Ben Elliston  <bje@au.ibm.com>
567
568         * doc/invoke.texi (C Dialect Options): Update OpenMP specification
569         version to v3.0.
570
571 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
572
573         * config/sh/sh-protos.h (sh_legitimate_address_p): Remove.
574         * config/sh/sh.c (sh_legitimate_address_p): Make static.
575         (TARGET_LEGITIMATE_ADDRESS_P): New.
576         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
577         * config/sh/sh.md: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
578         
579 2009-05-18  Dodji Seketeli  <dodji@redhat.com>
580
581         PR debug/40109
582         * dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a
583         child of the containing namespace's DIE.
584
585 2009-05-18  Adam Nemet  <anemet@caviumnetworks.com>
586
587         * config/mips/mips.md (*zero_extend<GPR:mode>_trunc<SHORT:mode>,
588         *zero_extendhi_truncqi):  Move after the zero_extend patterns.
589         (*extenddi_truncate<mode>, *extendsi_truncate<mode>): Move after the
590         extend patterns.
591
592 2009-05-18  H.J. Lu  <hongjiu.lu@intel.com>
593
594         PR target/39942
595         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Replace
596         gen_align with gen_pad.
597         (ix86_reorg): Check ASM_OUTPUT_MAX_SKIP_PAD instead of
598         #ifdef ASM_OUTPUT_MAX_SKIP_ALIGN.
599
600         * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): New.
601         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
602
603         * config/i386/i386.md (align): Renamed to ...
604         (pad): This.  Replace ASM_OUTPUT_MAX_SKIP_ALIGN with
605         ASM_OUTPUT_MAX_SKIP_PAD.
606
607 2009-05-18  Andreas Schwab  <schwab@linux-m68k.org>
608
609         * config.gcc: Fix variable syntax.
610
611         PR target/39531
612         * config/m68k/m68k.c (output_andsi3): Mask off sign bit copies
613         before calling exact_log2.
614         (output_iorsi3): Likewise.
615         (output_xorsi3): Likewise.
616
617 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
618
619         * config/sh/sh.c (expand_cbranchdi4): Use a scratch register
620         for the none zero constant operand except for EQ and NE
621         comprisons even when the first operand is R0.
622
623 2009-05-18  Andreas Krebbel  <krebbel1@de.ibm.com>
624
625         * config/s390/2064.md: Remove trailing whitespaces.
626         * config/s390/2084.md: Likewise.
627         * config/s390/constraints.md: Likewise.
628         * config/s390/fixdfdi.h: Likewise.
629         * config/s390/libgcc-glibc.ver: Likewise.
630         * config/s390/s390-modes.def: Likewise.
631         * config/s390/s390-protos.h: Likewise.
632         * config/s390/s390.c: Likewise.
633         * config/s390/s390.h: Likewise.
634         * config/s390/s390.md: Likewise.
635         * config/s390/tpf-unwind.h: Likewise.
636
637 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
638
639         * config/m68k/m68k.c (m68k_legitimize_address): Fix typo in signature.
640
641 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
642
643         M68K TLS support.
644         * configure.ac (m68k-*-*): Check if binutils support TLS.
645         * configure: Regenerate.
646         * config/m68k/predicates.md (symbolic_operand): Extend comment.
647         * config/m68k/constraints.md (Cu): New constraint.
648         * config/m68k/m68k.md (UNSPEC_GOTOFF): Remove.
649         (UNSPEC_RELOC16, UNSPEC_RELOC32): New constants.
650         (movsi): Handle TLS symbols.
651         (addsi3_5200): Handle XTLS symbols, indent.
652         * config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare.
653         (m68k_tls_reference_p): Declare.
654         (m68k_legitimize_address): Declare.
655         (m68k_unwrap_symbol): Declare.
656         * config/m68k/m68k.opt (mxtls): New option.
657         * config/m68k/m68k.c (ggc.h): Include.
658         (m68k_output_dwarf_dtprel): Implement hook.
659         (TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
660         (m68k_expand_prologue): Load GOT pointer when function needs it.
661         (m68k_illegitimate_symbolic_constant_p): Handle TLS symbols.
662         (m68k_legitimate_constant_address_p): Same.
663         (m68k_decompose_address): Handle TLS references.
664         (m68k_get_gp): New static function.
665         (enum m68k_reloc): New contants.
666         (TLS_RELOC_P): New macro.
667         (m68k_wrap_symbol): New static function.
668         (m68k_unwrap_symbol): New function.
669         (m68k_final_prescan_insn_1): New static function.
670         (m68k_final_prescan_insn): New function.
671         (m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static
672         functions.
673         (legitimize_pic_address): Handle TLS references..
674         (m68k_tls_get_addr, m68k_get_tls_get_addr)
675         (m68k_libcall_value_in_a0_p)
676         (m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp)
677         (m68k_call_m68k_read_tp): Helper variables and functions for ...
678         (m68k_legitimize_tls_address): Handle TLS references.
679         (m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p):
680         New functions.
681         (m68k_legitimize_address): Handle TLS symbols.
682         (m68k_get_reloc_decoration): New static function.
683         (m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and
684         UNSPEC_RELOC32.
685         (m68k_output_dwarf_dtprel): Implement hook.
686         (print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32.
687         (m68k_libcall_value): Return result in A0 instead of D0 when asked by
688         m68k_call_* routines.
689         (sched_attr_op_type): Handle TLS symbols.
690         (gt-m68k.h): Include.
691         * config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define.
692         (LEGITIMATE_PIC_OPERAND_P): Support TLS.
693
694 2009-05-18  Martin Jambor  <mjambor@suse.cz>
695
696         * ipa-prop.c (ipa_check_stmt_modifications): Removed.
697         (visit_store_addr_for_mod_analysis): New function.
698         (ipa_detect_param_modifications): Use walk_stmt_load_store_addr_ops.
699         (determine_cst_member_ptr): Use gimple_assign_single_p.
700         (ipa_get_stmt_member_ptr_load_param): Use gimple_assign_single_p.
701         (ipa_analyze_call_uses): Use !gimple_assign_rhs2 rather than number of
702         operands.  Don't check number of operands of a NOP_EXPR.
703
704 2009-05-18  Eric Fisher  <joefoxreal@gmail.com>
705
706         * doc/tree-ssa.texi (SSA Operands): Fix a mistake.
707
708 2009-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
709
710         PR c/40172
711         * c-common.c (warn_logical_operator): Don't warn if one of
712         expression isn't always true or false.
713
714 2009-05-17  Kai Tietz  <kai.tietz@onevision.com>
715
716         * config/i386/biarch32.h: New file.
717         * config.gcc: Add for target i386-w64-* the biarch32.h to tm_file.
718
719 2009-05-17  Adam Nemet  <anemet@caviumnetworks.com>
720
721         * config/mips/mips.md (*zero_extend<mode>_trunchi,
722         *zero_extend<mode>_truncqi): Merge these into ...
723         (*zero_extend<GPR:mode>_trunc<SHORT:mode>): ... this new pattern.
724         Name the pattern following this as *zero_extendhi_truncqi.
725
726 2009-05-16  Brad Lucier  <lucier@math.purdue.edu>
727
728         PR middle-end/39301
729         * hwint.h: Add macro HOST_WIDEST_INT_PRINT.
730         * bitmap.c (bitmap_descriptor): Make fields HOST_WIDEST_INT.
731         (output_info): Make field HOST_WIDEST_INT.
732         (print_statistics): Use HOST_WIDEST_INT_PRINT.
733         (dump_bitmat_statistics): Same.
734
735 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gmail.com>
736
737         * config.gcc (use_gcc_stdint):  Set to wrap.
738         * config/darwin.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
739         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
740         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
741         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
742         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
743         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
744         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
745         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
746
747 2009-05-16  Joseph Myers  <joseph@codesourcery.com>
748
749         * config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and
750         tune_64.
751         * config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT):
752         Move definitions earlier.
753         (OPT_ARCH64, OPT_ARCH32): Define.
754         (OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32
755         and tune_64.
756
757 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
758
759         PR target/40153
760         * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
761         implies.
762
763 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
764
765         * arm.md (movdi2): Copy non-reg values to DImode registers.
766
767 2009-05-16  Jakub Jelinek  <jakub@redhat.com>
768
769         PR target/39942
770         * final.c (label_to_max_skip): New function.
771         (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
772         CODE_LABEL_NUMBER <= max_labelno.
773         * output.h (label_to_max_skip): New prototype.
774         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
775         (ix86_avoid_jump_mispredicts): ... this.  Don't define if
776         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
777         Handle CODE_LABELs with >= 16 byte alignment or with
778         max_skip == (1 << align) - 1.
779         (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
780         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.
781
782         PR target/39942
783         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
784         .p2align 3 if MAX_SKIP is smaller than 7.
785         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
786
787 2009-05-15  Ian Lance Taylor  <iant@google.com>
788
789         * alias.c (struct alias_set_entry_d): Rename from struct
790         alias_set_entry.  Change all uses.
791         * except.c (struct call_site_record_d): Rename from struct
792         call_site_record.  Change all uses.
793         * except.h (struct eh_region_d): Rename from struct eh_region.
794         Change all uses.
795         * gcse.c (struct hash_table_d): Rename from struct hash_table.
796         Change all uses.
797         * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
798         ivtype_map_elt.  Change all uses.
799         (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
800         Change all uses.
801         (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
802         * graphite.h (struct name_tree_d): Rename from struct name_tree.
803         Change all uses.
804         (struct sese_d): Rename from struct sese.  Change all uses.
805         * omega.h (struct eqn_d): Rename from struct eqn.  Change all
806         uses.
807         (struct omega_pb_d): Rename from struct omega_pb.  Change all
808         uses.
809         * optabs.h (struct optab_d): Rename from struct optab.  Change all
810         uses.
811         (struct convert_optab_d): Rename from struct convert_optab.
812         Change all uses.
813         * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
814         ipa_opt_pass.  Change all uses.
815         * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
816         all uses.
817
818         * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
819         defined as a typedef.
820         (grokdeclarator): If -Wc++-compat, warn if a typedef is already
821         defined as a tag.
822
823 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
824
825         PR 16302
826         * fold-const.c (make_range,build_range_check,merge_ranges): Move
827         declaration to...
828         (merge_ranges): Returns bool. 
829         * tree.h (make_range): .. to here.
830         (build_range_check): Likewise.
831         (merge_ranges): Likewise. Renamed from merge_ranges.
832         * c-typeck.c (parser_build_binary_op): Update calls to
833         warn_logical_operator.
834         * c-common.c (warn_logical_operator): Add new warning.
835         * c-common.h (warn_logical_operator): Update declaration.
836         
837 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
838
839         * ira-conflicts.c (add_insn_allocno_copies): Fix wrong
840         conditional.
841         
842 2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
843
844         * doc/install.texi: Document MPC requirements, flags etc.
845
846         * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
847         (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
848         Evaluate constant arguments.
849         (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
850         (fold_builtin_1): Likewise, also evaluate constant arguments.
851         Remove superfluous break.
852         (do_mpc_ckconv): New.
853         * real.h: Include mpc.h.
854         * toplev.c (print_version): Output MPC version info if available.
855
856 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
857
858         * fold-const.c (fold_convert_const_real_from_real): Check for
859         overflow.
860
861 2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>
862
863         * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
864         only once.
865
866 2009-05-15  Jan Hubicka  <jh@suse.cz>
867
868         * doc/invoke.texi (max-early-inliner-iterations): New flag.
869         * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
870         (try_inline): Fix return value.
871         (cgraph_decide_inlining_incrementally): Honor new value.
872         (cgraph_early_inlining): Handle indirect inlining.
873         * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.
874
875 2009-05-15  Jan Hubicka  <jh@suse.cz>
876
877         * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
878         * cgraphunit.c (cgraph_finalize_function): Set it.
879         (cgraph_expand_function): Use it.
880
881 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
882
883         * real.c (encode_ieee_half): Define.
884         (decode_ieee_half): Define.
885         (ieee_half_format): Define.
886         (arm_half_format): Define.
887         * real.h (ieee_half_format): Declare.
888         (arm_half_format): Declare.
889
890 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
891
892         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
893         swapped, and reversed optabs exist before trying to use them.
894
895 2009-05-15  Paul Brook  <paul@codesourcery.com>
896             Sandra Loosemore  <sandra@codesourcery.com>
897
898         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
899         loads.  Allow PRE_DEC.
900         (output_move_neon): Handle PRE_DEC.
901         (arm_print_operand): Add 'A' for neon structure loads.
902         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
903         * config/arm/neon.md (neon_mov): Update comment.
904         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
905         calls.
906         (Um): New constraint.
907
908 2009-05-15  Jan Hubicka  <jh@suse.cz>
909
910         Revert the following patch until testsuite fallout is fixed:
911         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
912         * cgraph.h (struct inline_summary): New filed self_wize,
913         size_inlining_benefit, self_time and time_inlining_benefit.
914         (struct cgraph_global_info): Replace insns by time ans size fields.
915         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
916         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
917         (ipcp_update_callgraph): Do not touch function bodies.
918         * ipa-inline.c: Include except.h
919         MAX_TIME: New constant.
920         (overall_insns): Remove
921         (overall_size, max_benefit): New static variables.
922         (cgraph_estimate_time_after_inlining): New function.
923         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
924         (cgraph_clone_inlined_nodes): Update size.
925         (cgraph_mark_inline_edge): Update size.
926         (cgraph_estimate_growth): Use size info.
927         (cgraph_check_inline_limits): Check size.
928         (cgraph_default_inline_p): Likewise.
929         (cgraph_edge_badness): Compute badness based on benefit and size cost.
930         (cgraph_decide_recursive_inlining): Check size.
931         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and
932         times.
933         (cgraph_decide_inlining): Likewise.
934         (cgraph_decide_inlining_incrementally): Likewise; honor
935         PARAM_EARLY_INLINING_INSNS.
936         (likely_eliminated_by_inlining_p): New predicate.
937         (estimate_function_body_sizes): New function.
938         (compute_inline_parameters): Use it.
939         * except.c (must_not_throw_labels): New function.
940         * except.h (must_not_throw_labels): Declare.
941         * tree-inline.c (init_inline_once): Kill inlining_weigths
942         * tree-ssa-structalias.c: Avoid uninitialized warning.
943         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
944         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
945         (PARAM_INLINE_CALL_COST): Remove.
946         (PARAM_EARLY_INLINING_INSNS): New.
947
948 2009-05-15  Richard Guenther  <rguenther@suse.de>
949
950         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
951         not TODO_update_ssa.
952
953 2009-05-15  Richard Guenther  <rguenther@suse.de>
954
955         PR tree-optimization/39999
956         * gimple.h (gimple_expr_type): Use the expression type looking
957         through useless conversions.
958         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
959         (vn_nary_op_insert_stmt): Likewise.
960         (simplify_binary_expression): Likewise.
961
962 2009-05-15  Richard Guenther  <rguenther@suse.de>
963
964         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
965         New options, enabled by default.
966         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
967         Document.
968         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
969         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
970         * tree-ssa-structalias.c (gate_tree_pta): New function.
971         (pass_build_alias): Use it.
972
973 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
974
975         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
976         recurse on an invariant address if a conversion from a pointer
977         type to a wider integer type is involved.
978
979 2009-05-15  Jan Hubicka  <jh@suse.cz>
980
981         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
982         * cgraph.h (struct inline_summary): New filed self_wize,
983         size_inlining_benefit, self_time and time_inlining_benefit.
984         (struct cgraph_global_info): Replace insns by time ans size fields.
985         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
986         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
987         (ipcp_update_callgraph): Do not touch function bodies.
988         * ipa-inline.c: Include except.h
989         MAX_TIME: New constant.
990         (overall_insns): Remove
991         (overall_size, max_benefit): New static variables.
992         (cgraph_estimate_time_after_inlining): New function.
993         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
994         (cgraph_clone_inlined_nodes): Update size.
995         (cgraph_mark_inline_edge): Update size.
996         (cgraph_estimate_growth): Use size info.
997         (cgraph_check_inline_limits): Check size.
998         (cgraph_default_inline_p): Likewise.
999         (cgraph_edge_badness): Compute badness based on benefit and size cost.
1000         (cgraph_decide_recursive_inlining): Check size.
1001         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and
1002         times.
1003         (cgraph_decide_inlining): Likewise.
1004         (cgraph_decide_inlining_incrementally): Likewise; honor
1005         PARAM_EARLY_INLINING_INSNS.
1006         (likely_eliminated_by_inlining_p): New predicate.
1007         (estimate_function_body_sizes): New function.
1008         (compute_inline_parameters): Use it.
1009         * except.c (must_not_throw_labels): New function.
1010         * except.h (must_not_throw_labels): Declare.
1011         * tree-inline.c (init_inline_once): Kill inlining_weigths
1012         * tree-ssa-structalias.c: Avoid uninitialized warning.
1013         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
1014         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
1015         (PARAM_INLINE_CALL_COST): Remove.
1016         (PARAM_EARLY_INLINING_INSNS): New.
1017         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
1018         (inline-call-cost): Remove.
1019         (early-inlining-insns): New.
1020
1021 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
1022
1023         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
1024         for bounds.
1025         (print_int_cst_bounds_in_octal_p): Likewise.
1026         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
1027         with subtypes.
1028         * dwarf2out.c (base_type_die): Likewise.
1029         (is_subrange_type): Delete.
1030         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
1031         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
1032         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it if
1033         the destination type is boolean.
1034         (build_range_check): Do not special-case subtypes.
1035         (fold_sign_changed_comparison): Likewise.
1036         (fold_unary): Likewise.
1037         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
1038         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
1039         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
1040         * tree.c (subrange_type_for_debug_p): New predicate based on the former
1041         is_subrange_type.
1042         * tree.h (subrange_type_for_debug_p): Declare.
1043         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
1044         (convert_affine_scev): Remove call to above function.
1045         (chrec_convert_aggressive): Likewise.
1046         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
1047         false for conversions involving subtypes.
1048         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
1049         (vrp_val_min): Likewise.
1050         (needs_overflow_infinity): Likewise.
1051         (extract_range_from_unary_expr): Likewise.
1052
1053 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
1054
1055         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
1056         * config/frv/frv.c: Likewise.
1057         * config/s390/s390.c: Likewise.
1058         * config/sparc/sparc.h: Likewise.
1059         * config/i386/i386.h: Likewise.
1060         * config/i386/i386.c: Likewise.
1061         * config/crx/crx.c: Likewise.
1062         * config/m68hc11/m68hc11.h: Likewise.
1063         * config/iq2000/iq2000.c: Likewise.
1064         * config/mn10300/mn10300.h: Likewise.
1065         * config/mn10300/mn10300.c: Likewise.
1066         * config/m68k/m68k.c: Likewise.
1067         * config/rs6000/rs6000.c: Likewise.
1068         * config/rs6000/xcoff.h: Likewise.
1069         * config/rs6000/linux64.h: Likewise.
1070         * config/rs6000/sysv4.h: Likewise.
1071         * config/score/score3.c: Likewise.
1072         * config/score/score7.c: Likewise.
1073         * config/score/score.c: Likewise.
1074         * config/arm/arm.md: Likewise.
1075         * config/mips/mips.c: Likewise.
1076         * config/mips/mips.md: Likewise.
1077         * config/bfin/bfin.h: Likewise.
1078         * config/pa/pa.c: Likewise.
1079         * config/pa/constraints.md: Likewise.
1080
1081         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
1082         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
1083         * config/pdp11/pdp11.h: Use memory_address_p instead.
1084
1085 2009-05-14  Ian Lance Taylor  <iant@google.com>
1086
1087         * passes.c (finish_optimization_passes): Change i to int.
1088         * plugin.c (plugins_active_p): Change event to int.
1089         (dump_active_plugins): Likewise.
1090         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
1091         Add cast.
1092         * tree.c (tree_range_check_failed): Change c to unsigned int.
1093         (omp_clause_range_check_failed): Likewise.
1094         (build_common_builtin_nodes): Change mode to int.  Add cast.
1095         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
1096         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
1097
1098         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
1099         ++ or -- with a variable of enum type.
1100
1101 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
1102
1103         PR driver/40144
1104         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
1105
1106 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
1107
1108         * store-motion.c: Do not include params.h
1109         * Makefile.in: Fix dependencies for various files.
1110
1111 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
1112
1113         * auto-inc-dec.c: Fix pass description, remove apparent
1114         accidental duplication.
1115
1116 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
1117
1118         PR middle-end/40147
1119         * ipa-utils.h (memory_identifier_string): Moved to ...
1120         * tree.h (memory_identifier_string): Here.  Add GTY(()).
1121
1122 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
1123
1124         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
1125         in the former documentation of...
1126         (GO_IF_LEGITIMATE_ADDRESS): ... this.
1127         * ira-conflicts.c (get_dup_num): Use address_operand.
1128         * targhooks.c (default_legitimate_address_p): New.
1129         * targhooks.h (default_legitimate_address_p): New.
1130         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
1131         Call hook.
1132         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
1133         * target.h (struct target): Add legitimate_address_p.
1134         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
1135         (TARGET_INITIALIZER): Include it.
1136
1137         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1138         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
1139         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
1140         (TARGET_LEGITIMATE_ADDRESS_P): New.
1141
1142         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1143         (REG_OK_STRICT_P): Delete.
1144         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
1145         (frv_legitimate_address_p_1): ... this.
1146         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
1147         (frv_legitimate_address_p_1): ... the renamed old
1148         frv_legitimate_address_p.
1149         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
1150         (TARGET_LEGITIMATE_ADDRESS_P): New.
1151
1152         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1153         * config/s390/s390-protos.h (legitimate_address_p): Remove.
1154         * config/s390/s390.c (legitimate_address_p): Rename to...
1155         (s390_legitimate_address_p): ... this, make static.
1156         (legitimize_address): Adjust call.
1157         (TARGET_LEGITIMATE_ADDRESS_P): New.
1158         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
1159
1160         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1161         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
1162         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
1163         (TARGET_LEGITIMATE_ADDRESS_P): New.
1164
1165         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1166         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
1167         * config/spu/spu.c (spu_legitimate_address): Rename to...
1168         (spu_legitimate_address_p): ... this, make static.
1169         (TARGET_LEGITIMATE_ADDRESS_P): New.
1170
1171         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1172         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
1173         * config/sparc/sparc.c (legitimate_address_p): Rename to...
1174         (sparc_legitimate_address_p): ... this, make static and return bool.
1175         (legitimize_address): Adjust call.
1176         (TARGET_LEGITIMATE_ADDRESS_P): New.
1177
1178         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1179         * config/i386/i386-protos.h (legitimate_address_p): Remove.
1180         * config/i386/i386.c (legitimate_address_p): Rename to...
1181         (ix86_legitimate_address_p): ... this, make static.
1182         (constant_address_p): Move after it, adjust call.
1183         (TARGET_LEGITIMATE_ADDRESS_P): New.
1184
1185         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1186         * config/avr/avr-protos.h (legitimate_address_p): Remove.
1187         * config/avr/avr.c (legitimate_address_p): Rename to...
1188         (avr_legitimate_address_p): ... this, make static.
1189         (legitimize_address): Adjust call.
1190         (TARGET_LEGITIMATE_ADDRESS_P): New.
1191
1192         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1193         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
1194         * config/crx/crx.c (crx_legitimate_address_p): Make static.
1195         (TARGET_LEGITIMATE_ADDRESS_P): New.
1196
1197         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1198         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
1199         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
1200         (TARGET_LEGITIMATE_ADDRESS_P): New.
1201
1202         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1203         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
1204         Remove.
1205         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
1206         Make static.
1207         (TARGET_LEGITIMATE_ADDRESS_P): New.
1208
1209         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1210         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
1211         Remove.
1212         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
1213         Rename to...
1214         (m68hc11_legitimate_address_p): ... this, make static.
1215         (go_if_legitimate_address_internal): Rename to...
1216         (m68hc11_legitimate_address_p_1): ... this.
1217         (legitimize_address): Adjust call.
1218         (TARGET_LEGITIMATE_ADDRESS_P): New.
1219
1220         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1221         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p):
1222         Remove.
1223         * config/iq2000/iq2000.c (iq2000_legitimate_address_p):
1224         Make static.
1225         (TARGET_LEGITIMATE_ADDRESS_P): New.
1226
1227         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1228         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
1229         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
1230         (mn10300_legitimate_address_p): ... this, make static.
1231         (TARGET_LEGITIMATE_ADDRESS_P): New.
1232
1233         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1234         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
1235         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
1236         (TARGET_LEGITIMATE_ADDRESS_P): New.
1237
1238         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1239         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
1240         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
1241         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1242         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
1243         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
1244         (rs6000_legitimate_address_p): ... this, make static.
1245         (TARGET_LEGITIMATE_ADDRESS_P): New.
1246         (REG_MODE_OK_FOR_BASE_P): Delete.
1247         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
1248
1249         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1250         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
1251         Delete.
1252         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
1253         static, adjust types.
1254         (TARGET_LEGITIMATE_ADDRESS_P): New.
1255
1256         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1257         * config/score/score.c (score_address_p): Rename to...
1258         (score_legitimate_address_p): ... this.
1259         (TARGET_LEGITIMATE_ADDRESS_P): New.
1260         * config/score/score3.c (score3_address_p): Rename to...
1261         (score3_legitimate_address_p): ... this.
1262         * config/score/score7.c (score7_address_p): Rename to...
1263         (score7_legitimate_address_p): ... this.
1264
1265         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
1266         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
1267         GO_IF_LEGITIMATE_ADDRESS): Delete.
1268         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
1269         thumb2_legitimate_address_p): Delete.
1270         (arm_legitimate_address_p): Rename to...
1271         (arm_legitimate_address_outer_p): ... this.
1272         * config/arm/constraints.md ("Uq"): Adjust call.
1273         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
1274         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one to...
1275         (arm_legitimate_address_outer_p): ... this.
1276         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make static.
1277         (TARGET_LEGITIMATE_ADDRESS_P): New.
1278
1279         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1280         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
1281         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
1282         (TARGET_LEGITIMATE_ADDRESS_P): New.
1283
1284         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1285         * config/vax/vax-protos.h (legitimate_address_p): Remove.
1286         * config/vax/vax.c (legitimate_address_p): Rename to...
1287         (vax_legitimate_address_p): ... this, make static.
1288         (TARGET_LEGITIMATE_ADDRESS_P): New.
1289
1290         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1291         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
1292         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
1293         (TARGET_LEGITIMATE_ADDRESS_P): New.
1294
1295         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1296         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
1297         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
1298         (mmix_legitimate_address_p): ... this, make static.
1299         (TARGET_LEGITIMATE_ADDRESS_P): New.
1300
1301         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
1302         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
1303         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
1304         (TARGET_LEGITIMATE_ADDRESS_P): New.
1305
1306 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
1307
1308         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
1309         of MODE_COMPLEX_INT.
1310
1311 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1312
1313         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
1314         LCT_NORMAL in function call.
1315         * mips-tdump.c (print_file_desc): Add cast to enum type.
1316         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
1317         (mark_stabs): Add casts to enum types.
1318         (parse_stabs_common): Add casts to enum types.
1319
1320 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
1321
1322         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
1323         Check for invalid values of LETTER.
1324
1325 2009-05-13  Taras Glek  <tglek@mozilla.com>
1326
1327         * attribs.c (register_attribute): moved out attribute registration into
1328         register_attribute.
1329         * doc/plugins.texi: Documented register_attribute and PLUGIN_ATTRIBUTES.
1330         * gcc-plugin.h: Added forward decl for register_attribute.
1331         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
1332         * plugin.c (register_callback, invoke_plugin_callbacks): Added
1333         PLUGIN_ATTRIBUTES boilerplate.
1334
1335 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
1336
1337         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
1338         values even in sentinel and empty entries.
1339         (ms_printf_flag_specs):  Likewise.
1340         (ms_scanf_flag_specs):  Likewise.
1341         (ms_strftime_flag_specs):  Likewise.
1342         (ms_print_char_table):  Likewise.
1343         (ms_scan_char_table):  Likewise.
1344         (ms_time_char_table):  Likewise.
1345
1346 2009-05-13  Doug Kwan  <dougkwan@google.com>
1347
1348         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
1349
1350 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
1351
1352         * config/mips/mips.md (store): Add attributes for QI and HI.
1353         Update comment.
1354         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
1355         (truncdi<mode>2): ... this new pattern.
1356
1357 2009-05-13  Brad Hards  <bradh@kde.org>
1358
1359         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
1360
1361 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
1362             Ben Elliston <bje@au.ibm.com>
1363
1364         PR middle-end/40035
1365         * dse.c (check_mem_read_rtx): Guard against width == -1.
1366
1367 2009-05-13  Michael Matz  <matz@suse.de>
1368
1369         PR middle-end/39976
1370         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
1371         (trivially_conflicts_p): New function.
1372         (insert_backedge_copies): Use it.
1373
1374 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
1375
1376         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
1377         (handle_stdc_pragma): Use new enum constant names.
1378         (handle_pragma_float_const_decimal64): Ditto.
1379
1380 2009-05-13  Ian Lance Taylor  <iant@google.com>
1381
1382         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
1383         tree.def.
1384
1385 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
1386
1387         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
1388         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
1389         multilibs.
1390         * config/m68k/m68k.h (FL_UCLINUX): Define.
1391
1392 2009-05-13  Jan Hubicka  <jh@suse.cz>
1393
1394         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
1395
1396 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1397
1398         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
1399         unless -fschedule-insns is specified.
1400
1401 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1402
1403         PR target/39561
1404         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
1405         TARGET_EXPAND_CBRANCHDI4.
1406         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
1407         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
1408         (cmpeqdi): Fix comment.
1409
1410 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1411
1412         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
1413         (sh_legitimate_address_p): Likewise.
1414         * config/sh/sh.c (sh_legitimate_index_p): New.
1415         (sh_legitimate_address_p): Likewise.
1416         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
1417         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
1418         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
1419         (MAYBE_BASE_REGISTER_RTX_P): New macro.
1420         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
1421         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
1422         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
1423         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
1424         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
1425
1426 2009-05-12  Jan Hubicka  <jh@suse.cz>
1427
1428         * tree-inline.c (estimate_operator_cost): Add operands;
1429         when division happens by constant, it is cheap.
1430         (estimate_num_insns): Loads and stores are not having cost of 0;
1431         EH magic stuff is cheap; when computing runtime cost of switch,
1432         use log2 base of amount of its cases; builtin_expect has cost of 0;
1433         compute cost for moving return value of call.
1434         (init_inline_once): Initialize time_based flags.
1435         * tree-inline.h (eni_weights_d): Add time_based flag.
1436
1437 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1438
1439         * df-core.c: Update head documentation.
1440
1441 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1442
1443         PR bootstrap/40118
1444         * rs6000.c (rs6000_generate_compare): Use op1b instead of
1445         shadowing exisiting variable op1.
1446
1447 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
1448
1449         PR target/37179
1450         * config/i386/driver-i386.c (processor_signatures): New enum.
1451         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
1452         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
1453         processor signature to detect geode processor.
1454
1455 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1456
1457         Revert:
1458
1459         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1460
1461         * optabs.c (prepare_cmp_insn): Temporarily disable test that
1462         causes spurious differences between trunk and cond-optab branch.
1463
1464 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1465
1466         * dojump.c (compare_from_rtx): Delete.
1467         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
1468         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
1469         if the comparison does not satisfy the predicate; test predicates for
1470         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
1471         further if one existing pattern fails.
1472         * expr.h (compare_from_rtx): Delete.
1473         (prepare_operand): Declare it.
1474         * optabs.c: Change "lib call" to "libcall" throughout.
1475         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
1476         HAVE_conditional_trap, emit_cmp_insn): Delete.
1477         (can_compare_p): Delete cmp_optab case.
1478         (prepare_float_lib_cmp): Return an rtx and a machine mode.
1479         Accept other parameters by value.
1480         (prepare_operand): Make non-static.
1481         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
1482         other parameters by value.  Try to widen operands here based on
1483         an optab_methods argument and looking at cbranch_optab.
1484         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
1485         loop.  Use cbranch_optab directly.
1486         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
1487         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
1488         assertion.
1489         (emit_conditional_move, emit_conditional_add): Inline what's needed
1490         of compare_from_rtx, using new prepare_cmp_insn for the rest.
1491         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
1492         with COMPARE.  Move cmov_optab and cstore_optab above
1493         with cbranch_optab, move cmp_optab down with ucmp_optab,
1494         remove tst_otpab.  Do not initialize trap_rtx.
1495         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
1496         for trap code.  Do not check HAVE_conditional_trap.  Use
1497         prepare_cmp_insn.  Accept no predicate for operand 3.
1498         * optabs.h (OTI_cmp): Mark as used only for libcalls.
1499         (OTI_ctrap, ctrap_optab): New.
1500         (tst_optab): Delete.
1501         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
1502         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
1503         with lookup of ctrap_optab.
1504         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
1505         setcc_gen_code): Delete.
1506         (ctrap_optab): New.
1507
1508         * combine.c (combine_simplify_rtx, simplify_set): Do not
1509         special case comparing against zero for cc0 machines.
1510         * simplify-rtx.c (simplify_binary_operation_1): Never remove
1511         COMPARE on cc0 machines.
1512         (simplify_relational_operation): Return a new expression when
1513         a COMPARE could be removed.
1514         * final.c (final_scan_insn): Compare cc_status values
1515         against LHS of a (compare FOO (const_int 0)) cc0 source.
1516         Also check if cc_status.value is the full compare.
1517
1518         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
1519         (cstoreMM4): Document.
1520         (conditional_trap): Document ctrapMM4 instead.
1521         (sync_compare_and_swapMM): Refer to cbranchcc4.
1522         (Dependent Patterns): Eliminate obsolete information referring to
1523         the old jump optimization phase.
1524         (Canonicalization): Include cbranchcc4 case, omit canonicalization
1525         of compares with 0 on cc0 machines.
1526         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
1527         avoiding references to cc0.  Remove text about storing operands
1528         in cmpMM.
1529         * doc/tm.texi (Condition Codes): Include blurb on different
1530         condition code representations, separate into subsections for
1531         CC0, MODE_CC and conditional execution.
1532
1533         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
1534         alpha_emit_setcc): Accept operands and a machine mode.
1535         * config/alpha/alpha.c (alpha_emit_conditional_branch):
1536         Get code/op0/op1 from operands, use machine mode argument
1537         instead of alpha_compare.fp_p.  Emit the branch here.
1538         (alpha_emit_setcc): Likewise, and return boolean.
1539         (alpha_emit_conditional_move): Likewise.  Assert that
1540         cmp_op_mode == cmp_mode, and simplify accordingly.
1541         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
1542         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
1543         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
1544         Delete.
1545         (stack probe test): Use cbranchdi4.
1546         * config/alpha/predicates.md (alpha_cbranch_operator): New.
1547
1548         * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
1549         * config/arc/arc.h (movsicc, movsfcc): Use it.
1550         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
1551         (cbranchsi4, cstoresi4): New.
1552         (cmpsi, bCC and sCC expanders): Remove. 
1553
1554         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
1555         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
1556         * config/arm/predicates.md (arm_comparison_operator): Only include
1557         floating-point operators if there is a hardware floating-point unit.
1558         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
1559         deferring to cbranch_cc and cstore_cc respectively.
1560         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
1561         cbranch_cc, cstore_cc): New.
1562         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
1563         arm_compare_op1.
1564         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
1565
1566         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
1567         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
1568         as an argument.
1569         (adjust_insn_length): Adjust calls.
1570         (avr_reorg): Handle (compare (foo) (const_int 0)).
1571         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
1572         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
1573         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
1574         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
1575         (bCC): Remove.
1576         (cbranchqi4, cbranchhi4, cbranchsi4): New.
1577         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
1578
1579         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
1580         (cbranchsi4, cstorebi4, cstoresi4): New.
1581         (movbisi): This insn is duplicate, split it to zero_extend.
1582         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
1583         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
1584         (bfin_optimize_loop): Use cbranch expander.
1585         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
1586         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
1587         (bfin_bimode_comparison_operator): ... this.
1588         (bfin_direct_comparison_operator): New.
1589  
1590         * config/cris/cris.c (cris_normal_notice_update_cc): Look
1591         inside (compare FOO (const_int 0)).
1592         (cris_rtx_costs): Handle ZERO_EXTRACT.
1593         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
1594         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
1595         (*tstdi_v32): Delete.
1596         (*cmpdi_non_v32): Add M alternative for operand 1.
1597         (cmpsi, cmp<mode>): Make private.
1598         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
1599         with COMPARE.
1600         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
1601
1602         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
1603         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
1604         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
1605         (cc_reg_operand): New.
1606         (any_cond): Delete.
1607         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
1608         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
1609         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
1610         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
1611         crx_expand_scond): Delete.
1612
1613         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
1614         (cbranchsi4): New.
1615         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
1616         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
1617
1618         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
1619         cstoresi4, cstoresf4, cstoredf4): New.
1620         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
1621         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
1622         Receive the entire operands array.
1623         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
1624         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
1625         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
1626         Get test/op0/op1 from the operands array.
1627         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
1628
1629         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
1630         (h8300_expand_store): New.
1631         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
1632         (const_int 0)).
1633         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
1634         (h8300_expand_store): New.
1635         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
1636         or do not try to produce (set (cc0) REG).
1637         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
1638         change a compare into a move to a scratch register.  Disable some
1639         peepholes when comparing with zero.
1640         (tstsi, tsthi, tstsi, cmpqi): Make private.
1641         (cmphi): Delete.
1642         (bCC, sCC): Delete.
1643         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
1644         cstoresi4): New.
1645
1646         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
1647         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
1648         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
1649         (ix86_emit_i387_log1p): Use cbranchxf2.
1650         (ix86_expand_setcc): Return void.
1651         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
1652         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
1653         cmp<MODEF>, cmpcc): Remove.
1654         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
1655         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
1656         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
1657         (sCC and bCC expanders): Remove.
1658         (stack_protect_test): Use cbranchcc4.
1659
1660         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
1661         Delete.
1662         (ia64_expand_compare): Accept three rtx by reference and return void.
1663         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
1664         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
1665         from *expr.  Update *expr with the BImode comparison to do.
1666         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
1667         cmptf, bCC, sCC, conditional_trap): Delete.
1668         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
1669         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
1670         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
1671         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
1672         * config/ia64/predicates.md (ia64_cbranch_operator): New.
1673
1674         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
1675         type of last argument.
1676         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
1677         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
1678         use machine mode argument instead of branch_type.  Remove dead
1679         code for floating-point comparisons.
1680         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
1681         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
1682         Remove.
1683         (cbranchsi4, cstoresi4): New.
1684         * config/iq2000/predicates.md (reg_or_const_operand): New.
1685
1686         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
1687         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
1688         (b<code>_op): Rewrite to...
1689         (bcc_op): ... this, using match_operator.
1690         (s<code>_op): Rewrite to...
1691         (scc_op): ... this, using match_operator.
1692         (s<code>_24_op): Rewrite to...
1693         (scc_op_24): ... this, using match_operator.
1694         (s<code>_<mode>): Rewrite to...
1695         (cstore<mode>4): ... this, using match_operator.
1696         (s<code>_<mode>_24): Rewrite to...
1697         (cstore<mode>4_24): ... this, using match_operator.
1698         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
1699         m32c_unpend_compare, m32c_expand_scc): Delete.
1700         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
1701         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
1702         (m32c_expand_movcc): Change NE to EQ if necessary.
1703         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
1704
1705         * config/m32r/m32r-protos.h (gen_cond_store): New.
1706         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
1707         (gen_cond_store): New, from sCC patterns.
1708         (m32r_expand_block_move): Use cbranchsi4.
1709         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
1710         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
1711         (cbranchsi4, cstoresi4): New.
1712         
1713         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
1714         Delete.
1715         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
1716         (m68hc11_notice_update_cc): Look into a compare with 0.
1717         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
1718         Delete.
1719         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
1720         cmphi, cmpqi, bCC): Delete.
1721         (cbranchsi4, cbranchhi4, cbranchqi4): New.
1722         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
1723         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
1724         sets with COMPARE.
1725
1726         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
1727         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
1728         * config/m68k/constraints.md (H): New.
1729         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
1730         the define_insn below.
1731         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
1732         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
1733         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
1734         patterns): Wrap RHS with COMPARE.
1735         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
1736         (*cmpdi_internal): Name this pattern.
1737         (cmpdi): Change to define_insn.
1738         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
1739         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
1740         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
1741         predicate.
1742         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
1743         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
1744         (conditional_trap): Change to...
1745         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
1746         (*conditional_trap): Use the ordered_comparison_operator and
1747         const1_operand predicates.
1748         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
1749         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
1750         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
1751         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
1752
1753         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
1754         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
1755         (mcore_gen_compare): New. 
1756         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
1757         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
1758         (mcore_gen_compare): ... this.
1759         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
1760         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
1761         (stack probe pattern): Use cbranchsi4.
1762
1763         * config/mips/predicates.md (mips_cstore_operator): New.
1764         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
1765         * config/mips/mips.md (any_cond): Delete.
1766         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
1767         always succeed.
1768         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
1769         fixuns_truncsfdi2): Use cbranch patterns.
1770         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
1771         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
1772         Adjust call to mips_expand_conditional_branch.
1773         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
1774         cstore<GPR:mode>4.
1775         * config/mips/mips-protos.h (mips_expand_conditional_branch,
1776         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
1777         * config/mips/mips.c (cmp_operands): Delete.
1778         (mips_emit_compare): Get comparison operands from *op0/*op1.
1779         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
1780         that it succeeds.  Use op0/op1 instead of cmp_operands.
1781         (mips_expand_conditional_branch, mips_expand_conditional_move,
1782         mips_expand_conditional_trap): Likewise.
1783         (mips_block_move_loop): Use cbranch patterns. 
1784         * config/mips/mips.h (cmp_operands): Delete.
1785
1786         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
1787         (mmix_gen_compare_reg): Just return a register in the right CC mode.
1788         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
1789         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
1790         (*cmpcc_folded): Rename to...
1791         (*cmpdi_folded): this.
1792         (*cmpcc): Rename to...
1793         (*cmps): ... this.
1794         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
1795         (bCC): Remove.
1796         (cbranchdi4): New.
1797         (cbranchdf4): New.  Handle invalid comparisons here.
1798         * config/mmix/predicates.md (float_comparison_operator): New.
1799
1800         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
1801         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
1802         * config/mn10300/mn10300.md (tst): Delete.
1803         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
1804         Name these patterns and wrap RHS in a compare.
1805         (*cmpsi): Make this pattern private.  Include tst.
1806         (*cmpsf): Make this pattern private.
1807         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
1808         (compare with zero peepholes): Likewise.
1809         (bCC): Remove.
1810         (cbranchsi4, cbranchsf4): New.
1811         (casesi): Use cbranchsi4.
1812
1813         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
1814         hppa_branch_type): Delete.
1815         (return_addr_rtx): Use cbranchsi4.
1816         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
1817         Emit CCFPmode comparison here.
1818         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
1819         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
1820         hppa_branch_type): Delete.
1821         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
1822         (movsicc, movdicc): Remove references to hppa_compare_op0,
1823         hppa_compare_op1 and compare_from_rtx.
1824         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
1825         (casesi): Use cbranchsi4.
1826
1827         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
1828         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
1829         * config/pdp11/pdp11.md (register_or_const0_operand): New.
1830         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
1831         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
1832         (bCC): Delete.
1833         (cbranchdf4, cbranchhi4, cbranchqi4): New.
1834         (*branch, *branch_inverted): New.
1835
1836         * config/picochip/picochip.md (cbranchhi4): Use
1837         ordered_comparison_operator.
1838         (cmphi, bCC): Remove.
1839
1840         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
1841         (trap_comparison_operator): Delete.
1842         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
1843         rs6000_emit_cbranch): Accept mode and operands.
1844         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
1845         rs6000_compare_fp_p): Delete.   
1846         (rs6000_generate_compare): Accept mode and comparison.  Extract code
1847         and op0/op1 from there.  Replace references to rs6000_compare_op0
1848         and rs6000_compare_op1.
1849         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
1850         extract result from passed operands.
1851         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
1852         extract loc from passed operands.
1853         (rs6000_emit_cmove): Likewise.
1854         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
1855         rs6000_compare_fp_p): Delete.
1856         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
1857         (cbranch<GPR>4, cbranch<FP>4): New.
1858         (cstore<mode>4): New.  Consolidate here all choices about when to use
1859         portable or specialized sCC sequences.
1860         (stack_protect_test): Use cbranchsi4.
1861         (conditional_trap): Replace with ctrap<GPR>4.
1862         (conditional trap insn): Replace trap_comparison_operator with
1863         ordered_comparison_operator. 
1864
1865         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
1866         (s390_emit_prologue): Use ctrap.
1867         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
1868         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
1869         New predicates replacing...
1870         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
1871         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
1872         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
1873         (add<mode>cc): Do not use s390_compare_op0/op1.
1874         (s<code>): Change to...
1875         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
1876         (seq): Change to...
1877         (cstorecc4): ... this.  Handle EQ or NE equally.
1878         (*sne): Un-privatize for use in cstorecc4.
1879         (b<code>): Change to...
1880         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
1881         (conditional_trap): Replace with...
1882         (ctrap<GPR>4, ctrap<FP>4): ... these.
1883         (stack_protect): Use cbranchcc4.
1884
1885         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
1886         * config/score/score-protos.h (score_gen_cmp): Delete.
1887         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
1888         (score_block_move-loop): Use cbranchsi4.
1889         * config/score/score.md (cbranchsi4): New.
1890         (cmpsi, bCC): Delete.
1891         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
1892         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
1893         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
1894         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
1895         * config/score/score3.h (score3_gen_cmp): Delete.
1896         * config/score/score7.h (score7_gen_cmp): Delete.
1897
1898         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
1899         (sh_emit_scc_to_t): ... this.  Return void.
1900         (from_compare): Rename to...
1901         (sh_emit_compare_and_branch): ... this.
1902         (sh_emit_compare_and_set): New.
1903         (sh_expand_t_scc): Accept operands.
1904         * config/sh/predicates.md (sh_float_comparison_operator): New.
1905         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
1906         (prepare_scc_operands): Rename to...
1907         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
1908         arguments.
1909         (sh_emit_cheap_store_flag): New.
1910         (sh_emit_set_t_insn): New.
1911         (from_compare): Rename to...
1912         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
1913         handling of TARGET_SH2E floating point to avoid recursive call.
1914         Generate branch here.
1915         (sh_emit_compare_and_set): New.
1916         (sh_expand_t_scc): Get op0/op1 from arguments.
1917         (sh_emit_cheap_store_flag): New.
1918         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
1919         cases.
1920         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
1921         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
1922         (movsicc, movdicc): Do nothing when it recreated operands from
1923         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
1924         prepare_scc_operands (now sh_emit_scc_to_t).
1925         (udivdi3): Use cstoresi4.
1926         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
1927         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
1928         (cbranchint4_media, cbranchfp4_media): New.
1929         (casesi): Use cbranchdi4.
1930         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
1931         Delete.
1932         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
1933         (movnegt): Remove second operand.
1934         (cbranchsf4, cbranchdf4): New.
1935         (stack_protect): Use cbranchdi4/cbranchsi4.
1936
1937         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
1938         (gen_compare_reg): Accept comparison, extract part of it to...
1939         (gen_compare_reg_1): ... this. 
1940         (gen_compare_operator): Delete.
1941         (gen_v9_scc): Accept separate destination, comparison code and arms.
1942         Do not use sparc_compare_op0/sparc_compare_op1.
1943         (emit_scc_insn, emit_conditional_branch_insn): New.
1944         (emit_v9_brxx): Make static.  Remove useless assertion.
1945         (sparc_emit_float_lib_cmp): Return RTL instead of calling
1946         emit_cmp_insn.
1947         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
1948         * config/sparc/sparc-protos.h (gen_compare_reg,
1949         sparc_emit_float_lib_cmp): Adjust prototype.
1950         (emit_scc_insn, emit_conditional_branch_insn): New.
1951         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
1952         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
1953         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
1954         iterators to the top.
1955         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
1956         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
1957         snedi_special_trunc): Delete.
1958         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
1959         and snedi_special_trunc.
1960         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
1961         cbranchdi4, cbranch<F:mode>4): New.
1962         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
1963         here.  Use gen_compare_reg instead of gen_compare_operator.
1964         (conditional_trap): Replace with...
1965         (ctrapsi4, ctrapdi4): ... this.
1966         (stack_protect_test): Use cbranchcc4.
1967
1968         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
1969         argument to rtx.
1970         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
1971         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
1972         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
1973         from operands[0] or operands[3] depending on is_set.
1974         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
1975         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
1976         cmpdf, bCC), sCC: Remove.
1977         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
1978         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
1979         cstoredf4): New.
1980         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
1981         spu_emit_branch_or_set.
1982
1983         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
1984         Add two arguments.
1985         * config/stormy16/stormy16.h (xstormy16_compare_op0,
1986         xstormy16_compare_op1): Delete.
1987         * config/stormy16/stormy16.c (xstormy16_compare_op0,
1988         xstormy16_compare_op1): Delete. 
1989         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
1990         Adjust calls.
1991         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
1992         (cmphi, cmpsi, bCC): Remove.
1993
1994         * config/v850/v850.md (tstsi, cmpsi): Fold into...
1995         (*cmpsi): ... this one.
1996         (cbranchsi4, cstoresi4): New.
1997         (bCC expanders): Delete.
1998         (sCC insns): Fold into...
1999         (*setcc): ... this one.
2000         (casesi): Do not use gen_cmpsi and gen_bgtu. 
2001         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
2002         (movsicc): Simplify.
2003         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
2004
2005         * config/vax/vax-protos.h (cond_name): New.
2006         (vax_output_conditional_branch): Remove.
2007         * config/vax/vax.c (cond_name): New.
2008         (vax_output_conditional_branch): Remove.
2009         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
2010         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
2011         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
2012         (bit<VAXint>): Wrap source with (compare).
2013         (b<code> and following unnamed pattern): Rename to *branch and
2014         *branch_reversed.  Change macroization to match_operator.
2015         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
2016
2017         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
2018         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
2019         Change last argument to machine_mode.
2020         (xtensa_expand_scc): Add machine_mode argument.
2021         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
2022         (gen_conditional_move, xtensa_expand_conditional_branch,
2023         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
2024         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
2025         Adjust operand numbers.
2026         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
2027         Delete.
2028         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
2029         (cmpsi, cmpsf, b<code>, s<code>): Delete.
2030         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
2031
2032 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
2033
2034         * optabs.c (prepare_cmp_insn): Temporarily disable test that
2035         causes spurious differences between trunk and cond-optab branch.
2036
2037 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
2038
2039         PR target/37137
2040         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
2041
2042 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
2043
2044         * tree.c (iterative_hash_pointer): Delete.
2045         (iterative_hash_expr): Short-circuit handling of NULL pointer.
2046         Hash UIDs and versions of SSA names.  Don't special-case built-in
2047         function declarations.
2048
2049 2009-05-11  Ian Lance Taylor  <iant@google.com>
2050
2051         PR bootstrap/40103
2052         * graphite.c: Force -Wc++-compat to only be a warning before
2053         #including "cloog/cloog.h".
2054
2055 2009-05-11  Martin Jambor  <mjambor@suse.cz>
2056
2057         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
2058         
2059 2009-05-11  Jan Hubicka  <jh@suse.cz>
2060
2061         * tree-ssa-loop-ivcanon.c: Include target.h
2062         (struct loop_size): new structure.
2063         (constant_after_peeling): New predicate.
2064         (tree_estimate_loop_size): New function.
2065         (estimated_unrolled_size): Rewrite for new estimates.
2066         (try_unroll_loop_completely): Use new estimates.
2067         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
2068
2069 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2070
2071         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
2072         libcpp interface change.
2073         (spu_macro_to_expand): Likewise.
2074
2075 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
2076
2077         PR tree-optimization/40026
2078         * gimplify.c (gimplify_init_constructor): Change initial conditional
2079         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
2080         optimize_compound_literals_in_ctor.
2081
2082 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
2083
2084         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
2085         New devices.
2086         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
2087
2088 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
2089
2090         * tree-vect-data-refs.c (vect_analyze_group_access): Use
2091         HOST_WIDE_INT for gap.
2092
2093 2009-05-11  Ira Rosen  <irar@il.ibm.com>
2094
2095         PR tree-optimization/40074
2096         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
2097         account in group size and step comparison.
2098
2099 2009-05-11  Richard Guenther  <rguenther@suse.de>
2100
2101         * passes.c (init_optimization_passes): Strip now incorrect comment.
2102         (execute_function_todo): Do not set PROP_alias.
2103         * tree-pass.h (PROP_alias): Remove.
2104         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
2105         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
2106         * tree-nrv.c (pass_return_slot): Likewise.
2107         * tree-object-size.c (pass_object_sizes): Likewise.
2108         * tree-ssa-dom.c (pass_dominator): Likewise.
2109         (pass_phi_only_cprop): Likewise.
2110         * tree-ssa-dse.c (pass_dse): Likewise.
2111         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
2112         (pass_cselim): Likewise.
2113         * tree-ssa-pre.c (pass_pre): Likewise.
2114         (pass_fre): Likewise.
2115         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
2116         * tree-ssa-sink.c (pass_sink_code): Likewise.
2117         * tree-stdarg.c (pass_stdarg): Likewise.
2118         * tree-tailcall.c (pass_tail_calls): Likewise.
2119         * tree-vrp.c (pass_vrp): Likewise.
2120
2121 2009-05-10  Ian Lance Taylor  <iant@google.com>
2122
2123         * basic-block.h (enum profile_status): Break out of struct
2124         control_flow_graph.
2125         * cgraph.h (struct inline_summary): Break out of struct
2126         cgraph_local_info.
2127         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
2128         of struct cgraph_order_sort.
2129         * combine.c (enum undo_kind): New enum, broken out of struct undo.
2130         * cse.c (struct branch_path): Break out of struct
2131         cse_basic_block_data.
2132         * except.h (enum eh_region_type): Break out of struct eh_region.
2133         * gcc.c (enum add_del): Break out of struct modify_target.
2134         * genrecog.c (enum decision_type): Break out of struct decision_test.
2135         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
2136         ggc_pch_data.
2137         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
2138         * regmove.c (enum match_use): New enum, broken out of struct match.
2139         * sched-int.h (enum post_call_group): New enum, broken out of
2140         struct deps.
2141         (struct deps_reg): Break out of struct deps.
2142         * target.h (struct asm_int_op): Break out of struct gcc_target.
2143         * tree-eh.c (struct goto_queue_node): Break out of struct
2144         leh_tf_state.
2145         * tree-inline.h (enum copy_body_cge_which): Break out of
2146         copy_body_data.
2147         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
2148
2149         * c-decl.c (in_struct, struct_types): New static variables.
2150         (pushtag): Add loc parameter.  Change all callers.
2151         (lookup_tag): Add ploc parameter.  Change all callers.
2152         (check_compound_literal_type): New function.
2153         (parser_xref_tag): Add loc parameter.  Change all callers.  If
2154         -Wc++-compat, warn about struct/union/enum types defined within a
2155         struct or union.
2156         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
2157         and loc parameters.  Change all callers.  Change error calls to
2158         error_at, using loc.  For a redefinition, if the location of the
2159         original definition is known, report it.  Set in_struct and
2160         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
2161         (finish_struct): Add new parameters enclosing_in_struct and
2162         enclosing_struct_types.  Change all callers.  Set
2163         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
2164         in the struct.  If in a struct, add this struct to struct_types.
2165         (start_enum): Add loc parameter.  Change all callers.  Use
2166         error_at for errors, using loc.  For a redefinition, if the
2167         location of the original definition is known, report it.  If in a
2168         struct, add this enum type to struct_types.  If -Wc++-compat warn
2169         if in sizeof, typeof, or alignof.
2170         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
2171         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
2172         (c_parser_enum_specifier): Get enum location for start_enum.
2173         (c_parser_struct_or_union_specifier): Get struct location for
2174         start_struct.  Save in_struct and struct_types status between
2175         start_struct and finish_struct.
2176         (c_parser_cast_expression): Get location of cast.
2177         (c_parser_alignof_expression): Get location of type.
2178         (c_parser_postfix_expression): Likewise.
2179         (c_parser_postfix_expression_after_paren_type): Add type_loc
2180         parameter.  Change all callers.  Call check_compound_literal_type.
2181         Use type_loc for error about variable size type.
2182         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
2183         of an enum constant from an enum type defined in a struct or union.
2184         (c_cast_expr): Add loc parameter.  Change all callers.  If
2185         -Wc++-compat, warn about defining a type in a cast.
2186         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
2187         (start_enum, start_struct, finish_struct): Update declarations.
2188         (parser_xref_tag, c_cast_expr): Update declarations.
2189         (check_compound_literal_type): Declare.
2190
2191 2009-05-11  Ben Elliston  <bje@au.ibm.com>
2192
2193         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
2194         for recent libcpp interface change.
2195         (rs6000_macro_to_expand): Likewise.
2196
2197 2009-05-10  Michael Matz  <matz@suse.de>
2198
2199         PR target/40031
2200         * config/arm/arm.c (require_pic_register): Emit on entry edge,
2201         not at entry of function.
2202
2203 2009-05-10  Richard Guenther  <rguenther@suse.de>
2204
2205         PR tree-optimization/40081
2206         Revert
2207         * tree-sra.c (instantiate_element): Instantiate scalar replacements
2208         using the main variant of the element type.  Do not fiddle with
2209         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
2210
2211         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
2212         structs with volatile fields.
2213
2214 2009-05-10  Jan Hubicka  <jh@suse.cz>
2215
2216         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
2217         (estimate_move_cost): Assert that it does not get called for
2218         VOID_TYPE_P.
2219         (estimate_num_insns): Skip VOID types in argument handling.
2220         (optimize_inline_calls): Delete unreachable blocks and verify that
2221         callgraph is valid.
2222
2223 2009-05-10  Jan Hubicka  <jh@suse.cz>
2224
2225         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
2226         * cgraph.c (cgraph_mark_address_taken_node): New function.
2227         (dump_cgraph_node): Dump new flag.
2228         * cgraph.h (struct cgraph_node): Add address_taken.
2229         (cgraph_mark_address_taken_node): New function.
2230         * ipa.c (cgraph_postorder): Prioritize functions with address taken
2231         since new direct calls can be born.
2232
2233 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
2234
2235         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
2236         tok->val.node.node.
2237
2238 2009-05-10  Jan Hubicka  <jh@suse.cz>
2239
2240         PR middle-end/40084
2241         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
2242         argument; rewrite.
2243         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
2244         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
2245         * tree-inline.c (copy_bb): Set frequency correctly.
2246         (fold_marked_statements): Update call to
2247         cgraph_update_edges_for_call_stmt.
2248
2249 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
2250
2251         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
2252         identifiers in diagnostics.
2253         * config/arm/arm.c (arm_handle_fndecl_attribute,
2254         arm_handle_isr_attribute): Likewise.
2255         * config/avr/avr.c (avr_handle_progmem_attribute,
2256         avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
2257         Likewise.
2258         * config/bfin/bfin.c (handle_int_attribute,
2259         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
2260         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
2261         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
2262         Likewise.
2263         * config/darwin.c (darwin_handle_kext_attribute,
2264         darwin_handle_weak_import_attribute): Likewise.
2265         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
2266         h8300_handle_eightbit_data_attribute,
2267         h8300_handle_tiny_data_attribute): Likewise.
2268         * config/i386/i386.c (ix86_handle_cconv_attribute,
2269         ix86_handle_abi_attribute, ix86_handle_struct_attribute):
2270         Likewise.
2271         * config/i386/winnt.c (ix86_handle_shared_attribute,
2272         ix86_handle_selectany_attribute): Likewise.
2273         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
2274         * config/m32c/m32c.c (function_vector_handler): Likewise.
2275         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
2276         m68hc11_handle_fntype_attribute): Likewise.
2277         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
2278         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
2279         * config/mips/mips.c (mips_insert_attributes,
2280         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
2281         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
2282         rs6000_handle_struct_attribute): Likewise.
2283         * config/sh/sh.c (sh_insert_attributes,
2284         sh_handle_resbank_handler_attribute,
2285         sh_handle_interrupt_handler_attribute,
2286         sh2a_handle_function_vector_handler_attribute,
2287         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
2288         Likewise.
2289         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
2290         * config/spu/spu.c (spu_handle_fndecl_attribute,
2291         spu_handle_vector_attribute): Likewise.
2292         * config/stormy16/stormy16.c
2293         (xstormy16_handle_interrupt_attribute): Likewise.
2294         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
2295         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
2296
2297 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
2298
2299         * pretty-print.h (struct pretty_print_info): Add
2300         translate_identifiers.
2301         (pp_translate_identifiers): New.
2302         (pp_identifier): Only conditionally translate identifier to locale
2303         character set.
2304         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
2305         (pp_base_tree_identifier): Only conditionally translate identifier
2306         to locale character set.
2307         * c-pretty-print.c (M_): Define.
2308         (pp_c_type_specifier, pp_c_primary_expression): Mark English
2309         fragments for conditional translation with M_.
2310         * tree-pretty-print.c (maybe_init_pretty_print): Disable
2311         identifier translation.
2312
2313 2009-05-10  Richard Guenther  <rguenther@suse.de>
2314
2315         PR tree-optimization/40081
2316         * tree-sra.c (instantiate_element): Instantiate scalar replacements
2317         using the main variant of the element type.  Do not fiddle with
2318         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
2319
2320 2009-05-09  Jan Hubicka  <jh@suse.cz>
2321
2322         PR middle-end/40080
2323         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
2324         indirect calls; verify cgraph afterwards.
2325
2326 2009-05-09  Jan Hubicka  <jh@suse.cz>
2327
2328         PR bootstrap/40082
2329         * ipa.c (update_inlined_to_pointer): New function.
2330         (cgraph_remove_unreachable_nodes): Use it.
2331
2332 2009-05-09  Jan Hubicka  <jh@suse.cz>
2333
2334         * tree-eh.c (struct leh_state): Remove prev_try.
2335         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
2336         not track prev_try.
2337         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
2338         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
2339         remove_eh_handler_and_replace, foreach_reachable_handler,
2340         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
2341         * except.h (struct eh_region): Remove eh_region_u_cleanup.
2342         (gen_eh_region_cleanup): Update prototype.
2343
2344 2009-05-09  Jan Hubicka  <jh@suse.cz>
2345
2346         PR middle-end/40043
2347         * except.c (copy_eh_region): Always set prev_try.
2348         (redirect_eh_edge_to_label): Find outer try.
2349         (foreach_reachable_handler): When looking for prev try
2350         handle case where previous try is not going to be taken.
2351
2352 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2353
2354         PR tree-optimization/40049
2355         * tree-vect-stmts.c (vectorizable_operation): If the machine has
2356         only vector/vector shifts, convert the type of the constant to the
2357         appropriate type to avoid building incorrect trees, which
2358         eventually have problems with garbage collection.
2359
2360 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
2361
2362         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
2363         -1 for complex floating-point types if honoring signed zeros.
2364
2365 2009-05-08  Jan Hubicka  <jh@suse.cz>
2366
2367         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
2368         argument; handle correctly when profile is absent.
2369         (build_cgraph_edges): Update.
2370         (rebuild_cgraph_edges): Update.
2371         * cgraph.c: Do not include varray.h.
2372         (cgraph_set_call_stmt_including_clones): New function.
2373         (cgraph_create_edge_including_clones): Likewise
2374         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
2375         (cgraph_update_edges_for_call_stmt): Handle clones.
2376         (cgraph_remove_node): Handle clone tree.
2377         (cgraph_remove_node_and_inline_clones): New function.
2378         (dump_cgraph_node): Dump clone tree.
2379         (cgraph_clone_node): Handle clone tree.
2380         (clone_function_name): Bring here from tree-inline.c.
2381         (cgraph_create_virtual_clone): New function.
2382         * cgraph.h (ipa_replace_map): Move here from ipa.h.
2383         (cgraph_clone_info): New function.
2384         (strut cgraph_node): Add clone_info and new clone tree pointers.
2385         (cgraph_remove_node_and_inline_clones,
2386         cgraph_set_call_stmt_including_clones,
2387         cgraph_create_edge_including_clones,
2388         cgraph_create_virtual_clone): Declare.
2389         (cgraph_function_versioning): Use VEC argument.
2390         (compute_call_stmt_bb_frequency): Update prototype.
2391         (cgraph_materialize_all_clones): New function.
2392         * ipa-cp.c (ipcp_update_cloned_node): Remove.
2393         (ipcp_create_replace_map): Update to VECtors.
2394         (ipcp_update_callgraph): Use virtual clones.
2395         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
2396         (ipcp_update_profiling): Do not update local profiling.
2397         (ipcp_insert_stage): Use VECtors and virtual clones.
2398         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
2399         (clone_of_p): New function.
2400         (cgraph_preserve_function_body_p): Use clone tree.
2401         (cgraph_optimize): Materialize clones.
2402         (cgraph_function_versioning): Update for VECtors.
2403         (save_inline_function_body): Use clone tree.
2404         (cgraph_materialize_clone): New function.
2405         (cgraph_materialize_all_clones): Likewise.
2406         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
2407         * ipa.c: Include gimple.h.
2408         (cgraph_remove_unreachable_nodes): Use clone tree.
2409         * ipa-prop.c (ipa_note_param_call): Update call to
2410         compute_call_stmt_bb_frequencycall.
2411         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
2412         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
2413         (copy_bb): Handle updating of clone tree; add new edge when new call
2414         appears.
2415         (expand_call_inline): Be strict about every call having edge.
2416         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
2417         (delete_unreachable_blocks_update_callgraph): New function.
2418         (tree_function_versioning): Use VECtors; always remove unreachable
2419         blocks and fold conditionals.
2420         * tree-inline.h: Do not include varray.h.
2421         (tree_function_versioning): Remove.
2422         * Makefile.in (GTFILES): Remove tree-inline.c
2423         * passes.c (do_per_function): Do only functions having body.
2424         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
2425         tree.
2426
2427 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
2428             Andrew Morrow  <acm@google.com>
2429
2430         PR c/36892
2431         * c-common.c (c_common_attribute_table): Permit deprecated
2432         attribute to take an optional argument.
2433         (handle_deprecated_attribute): If the optional argument to
2434         __attribute__((deprecated)) is not a string ignore the attribute
2435         and emit a warning.
2436
2437         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
2438         * c-typeck.c (build_component_ref): Likewise.
2439         (build_external_ref): Likewise.
2440
2441         * toplev.c (warn_deprecated_use): Add an attribute argument.
2442         Emit the message associated with __attribute__((deprecated)).
2443
2444         * toplev.h (warn_deprecated_use): Updated.
2445
2446         * doc/extend.texi: Document new optional parameter to
2447         __attribute__((deprecated))
2448
2449 2009-05-08  Michael Eager <eager@eagercon.com>
2450
2451         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
2452         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
2453
2454 2009-05-08  Richard Guenther  <rguenther@suse.de>
2455
2456         PR tree-optimization/40062
2457         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
2458         Avoid exponential behavior.
2459
2460 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
2461
2462         PR rtl-optimization/33928
2463         PR 26854
2464         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
2465         process_uses, build_single_def_use_links): New.
2466         (update_df): Update use_def_ref.
2467         (forward_propagate_into): Use get_def_for_use instead of use-def
2468         chains.
2469         (fwprop_init): Call build_single_def_use_links and let it initialize
2470         dataflow.
2471         (fwprop_done): Free use_def_ref.
2472         (fwprop_addr): Eliminate duplicate call to df_set_flags.
2473         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
2474         df_rd_simulate_one_insn): New.
2475         (df_rd_bb_local_compute_process_def): Update head comment.
2476         (df_chain_create_bb): Use the new RD simulation functions.
2477         * df.h (df_rd_simulate_artificial_defs_at_top, 
2478         df_rd_simulate_one_insn): New.
2479         * opts.c (decode_options): Enable fwprop at -O1.
2480         * doc/invoke.texi (-fforward-propagate): Document this.
2481
2482 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
2483
2484         PR c/24581
2485         * c-typeck.c (build_binary_op): Handle arithmetic between one real
2486         and one complex operand specially.
2487         * tree-complex.c (some_nonzerop): Do not identify a real value as
2488         zero if flag_signed_zeros.
2489
2490 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
2491
2492         PR rtl-optimization/33928
2493         * loop-invariant.c (record_use): Fix && vs. || mishap.
2494
2495 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
2496
2497         PR rtl-optimization/33928
2498         * loop-invariant.c (struct use): Add addr_use_p.
2499         (struct def): Add n_addr_uses.
2500         (struct invariant): Add cheap_address.
2501         (create_new_invariant): Set cheap_address.
2502         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
2503         (record_uses): Pass df_ref to record_use.
2504         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
2505         used only as such.
2506
2507 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
2508
2509         * config/sh/sh.c: Do not include c-pragma.h.
2510
2511 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2512
2513         * config/spu/spu.c: Remove include of c-common.h.
2514
2515 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
2516
2517         PR c/39037
2518         * c-common.h (mark_valid_location_for_stdc_pragma,
2519         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
2520         clear_float_const_decimal64, float_const_decimal64_p): New.
2521         * c.opt (Wunsuffixed-float-constants): New.
2522         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
2523         unsuffixed float constant, handle new warning.
2524         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
2525         * c-decl.c (c_scope): New flag float_const_decimal64.
2526         (set_float_const_decimal64, clear_float_const_decimal64,
2527         float_const_decimal64_p): New.
2528         (push_scope): Set new flag.
2529         * c-parser.c (c_parser_translation_unit): Mark when it's valid
2530         to use STDC pragmas.
2531         (c_parser_external_declaration): Ditto.
2532         (c_parser_compound_statement_nostart): Ditto.
2533         * c-pragma.c (valid_location_for_stdc_pragma,
2534         mark_valid_location_for_stdc_pragma,
2535         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
2536         handle_pragma_float_const_decimal64): New.
2537         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
2538         * cp/semantics.c (valid_location_for_stdc_pragma_p,
2539         set_float_const_decimal64, clear_float_const_decimal64,
2540         float_const_decimal64_p): New dummy functions.
2541         * doc/extend.texi (Decimal Float): Remove statement that the
2542         pragma, and suffix for double constants, are not supported.
2543         * doc/invoke.texi (Warning Options): List new option.
2544         (-Wunsuffixed-float-constants): New.
2545
2546 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
2547
2548         * config/i386/i386.c: Do not include c-common.h.
2549
2550 2009-05-07  Mark Heffernan  <meheff@google.com>
2551
2552         * doc/invoke.texi (Debugging Options): Document change of debugging
2553         dump location.
2554         * opts.c (decode_options): Make dump_base_name relative to
2555         aux_base_name directory.
2556
2557 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
2558
2559         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
2560         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
2561
2562 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
2563
2564         * Makefile.in (install-plugin): Simplify a bit.
2565
2566 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
2567
2568         * Makefile.in (OBJS-common): Add regcprop.o.
2569         (regcprop.o): New.
2570         * timevar.def (TV_CPROP_REGISTERS): New.
2571         * regrename.c (regrename_optimize): Return 0.
2572         (rest_of_handle_regrename): Delete.
2573         (pass_rename_registers): Point to regrename_optimize.
2574         (struct value_data_entry, struct value_data, 
2575         kill_value_one_regno, kill_value_regno, kill_value,
2576         set_value_regno, init_value_data, kill_clobbered_value,
2577         kill_set_value, kill_autoinc_value, copy_value,
2578         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
2579         replace_oldest_value_reg, replace_oldest_value_addr,
2580         replace_oldest_value_mem, copyprop_hardreg_forward_1,
2581         debug_value_data, validate_value_data): Move...
2582         * regcprop.c: ... here.
2583         (rest_of_handle_cprop): Delete.
2584         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
2585
2586 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
2587
2588         PR middle-end/40057
2589         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
2590         GEN_INT for 1 << bitnum.
2591         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
2592         build_int_cst_type.
2593
2594 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
2595
2596         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
2597         Remove wrong description of "nand" operation.
2598
2599 2009-05-06  Richard Guenther  <rguenther@suse.de>
2600             Adam Nemet  <anemet@caviumnetworks.com>
2601
2602         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
2603         comment.  Add that if LHS is not a gimple register, then RHS1 has
2604         to be a single object (GIMPLE_SINGLE_RHS).
2605
2606 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
2607
2608         * expr.c (get_def_for_expr): Move it up in the file.
2609         (store_field): When expanding a bit-field store, look at the
2610         defining gimple stmt for the masking conversion.
2611
2612 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
2613
2614         PR middle-end/39986
2615         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2616         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
2617         32-bit memcpy into long.
2618
2619 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
2620
2621         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
2622         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
2623         new_reg_loc_descr.
2624         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
2625         instead of appending DW_OP_deref*.
2626
2627 2009-05-06  Michael Matz  <matz@suse.de>
2628
2629         PR middle-end/40021
2630         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
2631         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
2632
2633 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
2634
2635         * Makefile.in (install-plugin): Fix srcdir handling.
2636
2637 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
2638
2639         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
2640         when processing for not_regs_needed bitmap.
2641         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
2642         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
2643         handling it for rhs. 
2644
2645 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2646
2647         * config/i386/i386.md (unnamed inc/dec peephole): Use
2648         optimize_insn_for_size_p instead of optimize_size.
2649         * config/i386/predicates.md (incdec_operand): Likewise.
2650         (aligned_operand): Likewise.
2651         * config/i386/sse.md (divv8sf3): Likewise.
2652         (sqrtv8sf2): Likewise.
2653
2654 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2655
2656         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
2657
2658         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
2659
2660 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2661
2662         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
2663         ssemodesuffixf2c with avxmodesuffixf2c.
2664
2665 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
2666
2667         PR c/40032
2668         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
2669
2670 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
2671
2672         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
2673         (struct tree_base): Adjust spacing for 8 bit boundaries.
2674         (struct tree_decl_common): Add decl_by_reference_flag bit.
2675         (DECL_BY_REFERENCE): Adjust.
2676         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
2677         print DECL_BY_REFERENCE bit.
2678         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
2679         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
2680         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
2681         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
2682         unconditionally.
2683
2684         PR middle-end/39666
2685         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
2686         range of the type, but default label is missing, add it with one
2687         of the existing labels instead of adding a new label for it.
2688
2689 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
2690
2691         * dwarf.h: Remove.
2692
2693 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
2694
2695         * Makefile.in (enable_plugin, plugin_includedir): New.
2696         (install): Depend on install-plugin.
2697         (PLUGIN_HEADERS): New.
2698         (install-plugin): New.
2699         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
2700
2701 2009-05-05  Richard Guenther  <rguenther@suse.de>
2702
2703         PR tree-optimization/40022
2704         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
2705         the only vuse.
2706         (phivn_valid_p): Fix tuplification error, simplify.
2707         (phiprop_insert_phi): Add dumps.
2708         (propagate_with_phi): Simplify.
2709
2710 2009-05-05  Richard Guenther  <rguenther@suse.de>
2711
2712         PR middle-end/40023
2713         * builtins.c (gimplify_va_arg_expr): Properly build the address.
2714
2715 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
2716
2717         * tree.h (strip_float_extensions): Remove duplicate declaration.
2718         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
2719         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
2720         block_ultimate_origin): Rearrange the declarations line to match the
2721         comment that indicates the .c file which the functions are defined.
2722         (dwarf2out_*, set_decl_rtl): Add comment.
2723         (get_base_address): Adjust comment.
2724         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
2725         declarations line and add comment.
2726         (is_builtin_name): Add blank after function name, for clarity.
2727
2728 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
2729
2730         * attribs.c (decl_attributes): Use %qE for identifiers in
2731         diagnostics.
2732         * cgraphunit.c (verify_cgraph_node): Translate function names to
2733         locale character set in diagnostics.
2734         * coverage.c (get_coverage_counts): Use %qE for identifiers in
2735         diagnostics.
2736         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
2737         Document that functions are named in UTF-8.
2738         * expr.c (expand_expr_real_1): Translate function names to locale
2739         character set in diagnostics.
2740         * gimplify.c (omp_notice_variable, omp_is_private,
2741         gimplify_scan_omp_clauses): Use %qE for identifiers in
2742         diagnostics.
2743         * langhooks.c (lhd_print_error_function): Translate function names
2744         to locale character set.
2745         * langhooks.h (decl_printable_name): Document that return value is
2746         in internal character set.
2747         * stmt.c: Include pretty-print.h
2748         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
2749         diagnostics.
2750         (resolve_operand_name_1): Translate named operand name to locale
2751         character set.
2752         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
2753         diagnostics.
2754         * toplev.c (announce_function): Translate function names to locale
2755         character set.
2756         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
2757         (default_tree_printer): Use pp_identifier or translate identifiers
2758         to locale character set.  Mark "<anonymous>" for translation.
2759         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
2760         for identifiers in diagnostics.
2761         * tree.c (handle_dll_attribute): Use %qE for identifiers in
2762         diagnostics.
2763         * varasm.c (output_constructor): Use %qE for identifiers in
2764         diagnostics.
2765
2766 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
2767
2768         * configure.ac: use ` ` instead of $()
2769         * configure: Regenerate.
2770
2771 2009-05-05  Ben Elliston  <bje@au.ibm.com>
2772
2773         * config/pa/linux-atomic.c: Eliminate conditional include of
2774         errno.h on non-LP64 systems to simplify build requirements.
2775
2776 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
2777
2778         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
2779         diagnostics.
2780         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
2781         and pass value to identifier_to_locale.
2782         (warn_variable_length_array): Make name a tree.
2783         (grokdeclarator): Separate diagnostic texts for named and unnamed
2784         declarators.  Use %qE for named declarators.
2785         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
2786         diagnostics.
2787         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
2788         identifiers in diagnostics.
2789         * c-typeck.c (push_member_name, start_init): Pass identifiers to
2790         identifier_to_locale.  Mark "anonymous" strings for translation.
2791
2792 2009-05-04  Michael Eager <eager@eagercon.com>
2793
2794         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
2795         address for DImode/DFmode only if double-precision FP regs.
2796
2797 2009-05-04  Michael Eager <eager@eagercon.com>
2798
2799         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
2800         TARGET_SINGLE_FLOAT check.
2801
2802 2009-05-04  Michael Eager <eager@eagercon.com>
2803
2804         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
2805
2806 2009-05-04  Michael Eager <eager@eagercon.com>
2807
2808         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
2809         * config/rs6000/t-xilinx: New
2810
2811 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
2812
2813         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
2814         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
2815         * gcc/explow.c (memory_address): Use target hook.
2816         * gcc/targhooks.c (default_legitimize_address): New.
2817         * gcc/targhooks.h (default_legitimize_address): New.
2818         * gcc/target.h (legitimize_address): New.
2819         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
2820         (TARGET_INITIALIZER): Include it.
2821         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
2822
2823         * config/bfin/bfin-protos.h (legitimize_address): Remove.
2824         * config/bfin/bfin.c (legitimize_address): Remove.
2825         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
2826         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
2827         Remove.
2828         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
2829         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
2830
2831         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
2832         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
2833         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
2834         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
2835         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
2836         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
2837         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
2838         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
2839         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
2840         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
2841         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
2842         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
2843         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
2844         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
2845         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
2846         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
2847         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
2848         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
2849         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
2850         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
2851         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
2852         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
2853         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
2854
2855         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
2856         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
2857         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
2858         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
2859         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
2860         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
2861         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
2862         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
2863         (thumb_legitimize_address): Delete.
2864         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
2865         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
2866         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
2867         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
2868         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
2869         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
2870         Delete.
2871         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
2872         Delete.
2873
2874         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
2875         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
2876         * config/m32r/m32r.c (m32r_legitimize_address): New.
2877         * config/m68k/m68k.c (m68k_legitimize_address): New.
2878         * config/score/score.c (score_legitimize_address): Standardize.
2879         * config/score/score3.c (score3_legitimize_address): Standardize.
2880         * config/score/score3.h (score3_legitimize_address): Adjust.
2881         * config/score/score7.c (score7_legitimize_address): Standardize.
2882         * config/score/score7.h (score7_legitimize_address): Adjust.
2883         * config/sh/sh.c (sh_legitimize_address): New.
2884         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
2885
2886         * gcc/config/s390/s390.c (legitimize_address): Rename to...
2887         (s390_legitimize_address): ... this.
2888         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
2889         (sparc_legitimize_address): ... this.
2890         * gcc/config/i386/i386.c (legitimize_address): Rename to...
2891         (ix86_legitimize_address): ... this.
2892         * gcc/config/avr/avr.c (legitimize_address): Rename to...
2893         (avr_legitimize_address): ... this.
2894         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
2895         (mn10300_legitimize_address): ... this.
2896         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
2897         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
2898         (alpha_expand_mov): Adjust call.
2899
2900         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
2901         * config/spu/spu.c (spu_legitimize_address): Likewise.
2902         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
2903         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
2904
2905 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
2906
2907         * intl.c (locale_encoding, locale_utf8): New.
2908         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
2909         * intl.h (locale_encoding, locale_utf8): Declare.
2910         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
2911         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
2912         New.
2913         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
2914         argument.
2915         (pp_tree_identifier): Define to call pp_base_tree_identifier.
2916         (pp_base_tree_identifier): Declare as function.
2917         (identifier_to_locale): Declare.
2918         * Makefile.in (pretty-print.o): Update dependencies.
2919         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
2920
2921 2009-05-04  Richard Guenther  <rguenther@suse.de>
2922
2923         PR middle-end/40015
2924         * builtins.c (fold_builtin_memory_op): Do not decay to element
2925         type if the size matches the whole array.
2926
2927 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
2928
2929         * expmed.c (synth_mult): When trying out a shift, pass the result
2930         of a signed shift.
2931
2932 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
2933
2934         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
2935         (shiftsub1_cost): New.
2936         (init_expmed): Compute shiftsub1_cost.
2937         (synth_mult): Optimize multiplications by constants of the form
2938         -(2^^m-1) for some constant positive integer m.
2939
2940 2009-05-03  Richard Guenther  <rguenther@suse.de>
2941
2942         PR c/39983
2943         * c-typeck.c (array_to_pointer_conversion): Do not built
2944         ADDR_EXPRs of arrays of pointer-to-element type.
2945         * c-gimplify.c (c_gimplify_expr): Revert change fixing
2946         up wrong ADDR_EXPRs after-the-fact.
2947         * c-common.c (strict_aliasing_warning): Strip pointer
2948         conversions for obtaining the original type.
2949         * builtins.c (fold_builtin_memset): Handle array types.
2950         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
2951         and array types
2952
2953 2009-05-03  Richard Guenther  <rguenther@suse.de>
2954
2955         PR middle-end/23329
2956         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
2957         Do not lose casts from array types with unknown extent to array
2958         types with known extent.
2959         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
2960         alias set compatibility.
2961
2962 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2963
2964         * flags.h (extra_warnings): Delete.
2965         * toplev.c (process_options): Handle Wuninitialized here.
2966         * opts.c (extra_warnings): Delete.
2967         (set_Wextra): Delete.
2968         (common_handle_option): -Wextra can be handled automatically.
2969         * c-opts.c (c_common_handle_option): Delete obsolete code.
2970         (c_common_post_options): Simplify comment.
2971         * common.opt (W): Add Var.
2972         (Wextra): Add Var.
2973         (Wuninitialized): Initialize to -1.
2974
2975 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
2976             Richard Guenther  <rguenther@suse.de>
2977
2978         * expr.c (get_def_for_expr): New function.
2979         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
2980         SSA rather than trees.
2981         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
2982         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
2983         
2984 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
2985
2986         * c-common.c (reswords): Add _Imaginary.
2987         * c-common.c (enum rid): Add RID_IMAGINARY.
2988
2989 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
2990
2991         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
2992         Patch by Richard Guenther.
2993
2994 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
2995
2996         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
2997         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
2998         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
2999         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
3000         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
3001         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
3002         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
3003         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
3004         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
3005         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
3006         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
3007         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
3008         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
3009         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
3010         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
3011         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
3012         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
3013         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
3014
3015 2009-05-02  Richard Guenther  <rguenther@suse.de>
3016
3017         PR tree-optimization/39940
3018         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
3019         doing so.
3020
3021 2009-05-02  Richard Guenther  <rguenther@suse.de>
3022
3023         PR middle-end/40001
3024         * tree-ssa.c (execute_update_addresses_taken): Properly check
3025         if we can mark a variable DECL_GIMPLE_REG_P.
3026         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
3027         back to the end of the function.
3028         (is_gimple_reg_type): Remove complex type special casing.
3029         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
3030         if not optimizing.
3031
3032 2009-05-02  Ben Elliston  <bje@au.ibm.com>
3033
3034         * doc/collect2.texi (Collect2): Document search path behaviour
3035         when configured with --with-ld.
3036
3037 2009-05-02  Jan Hubicka  <jh@suse.cz>
3038
3039         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
3040         parameter; update callers.
3041         (coalesce_cost_edge): EH edges are costier because they needs
3042         splitting even if not critical and even more costier when there are
3043         multiple EH predecestors.
3044
3045 2009-05-02  Jan Hubicka  <jh@suse.cz>
3046
3047         * except.c (remove_eh_handler_and_replace): Handle updating after
3048         removing TRY blocks.
3049
3050 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
3051
3052         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
3053
3054 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
3055
3056         * varasm.c: Do not include c-pragma.h.
3057         * attribs.c: Do not incude c-common.h.
3058
3059 2009-05-01  Michael Matz  <matz@suse.de>
3060
3061         * calls.c (initialize_argument_information): Handle SSA names like
3062         decls with a non MEM_P DECL_RTL.
3063
3064 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
3065
3066         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
3067         * ipa-utils.c: Likewise.
3068         * ipa-type-escape.c: Likewise.
3069         * cgraphunit.c Do not include c-common.h.
3070         * ipa-pure-const.c: Likewise.
3071         * tree-if-conv.c: Likewise.
3072         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
3073         * ipa-struct-reorg.c: Likewise.
3074         * tree-nomudflap.c: Likewise.
3075         * tree-ssa-structalias.c: Likewise.
3076
3077 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
3078
3079         * store-motion.c: Many cleanups to make this pass a first-class
3080         citizen instead of an appendix to gcse load motion.  Add TODO list
3081         to make this pass faster/cleaner/better.
3082
3083         (struct ls_expr): Post gcse.c-split cleanups.
3084         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
3085         "stores" field to "avail_stores".
3086         (pre_ldst_mems): Rename to store_motion_mems.
3087         (pre_ldst_table): Rename to store_motion_mems_table.
3088         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
3089         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
3090         (ldst_entry): Rename to st_expr_entry, update users.
3091         (free_ldst_entry): Rename to free_st_expr_entry, update users.
3092         (free_ldst_mems): Rename to free_store_motion_mems, update users.
3093         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
3094         update caller.
3095         (first_ls_expr): Rename to first_st_expr, update users.
3096         (next_ls_expr): Rename to next_st_expr, update users.
3097         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
3098         fields properly for store motion instead of names inherited from load
3099         motion in gcse.c.
3100         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
3101         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
3102         are done with it.
3103
3104         (ae_kill): Rename to st_kill, update users.
3105         (ae_gen): Rename to st_avloc, update users.
3106         (transp): Rename to st_transp, update users.
3107         (pre_insert_map): Rename to st_insert_map, update users.
3108         (pre_delete_map): Rename to st_delete_map, update users.
3109         (insert_store, build_store_vectors, free_store_memory,
3110         one_store_motion_pass): Update for abovementioned changes.
3111
3112         (gcse_subst_count, gcse_create_count): Remove.
3113         (one_store_motion_pass): New statistics counters "n_stores_deleted"
3114         and "n_stores_created", local variables.
3115
3116         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
3117         use for_each_rtx.
3118
3119         (regvec, compute_store_table_current_insn): Remove.
3120         (reg_set_info, reg_clear_last_set): Remove.
3121         (compute_store_table): Use DF caches instead of local dataflow
3122         solvers.
3123
3124 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
3125
3126         * c-objc-common.c (c_tree_printer): Print identifiers with
3127         pp_identifier, not pp_string.  Mark "({anonymous})" for
3128         translation.
3129         * c-pretty-print.c (pp_c_ws_string): New.
3130         (pp_c_cv_qualifier, pp_c_type_specifier,
3131         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
3132         pp_c_storage_class_specifier, pp_c_function_specifier,
3133         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
3134         pp_c_primary_expression, pp_c_postfix_expression,
3135         pp_c_unary_expression, pp_c_shift_expression,
3136         pp_c_relational_expression, pp_c_equality_expression,
3137         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
3138         use pp_string and pp_c_ws_string in place of pp_identifier and
3139         pp_c_identifier for non-identifiers.  Mark English strings for
3140         translation.
3141         * c-pretty-print.h (pp_c_ws_string): Declare.
3142
3143 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
3144             Roland McGrath <roland@redhat.com>
3145
3146         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
3147         (ENABLE_LD_BUILDID): New configuration option.
3148         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
3149         (LINK_BUILDID_SPEC): New macro.
3150         (init_spec): If defined, prepend it between LINK_EH_SPEC and
3151         link_spec.
3152         * doc/install.texi: Document --enable-linker-build-id option.
3153         * configure: Rebuild.
3154         * config.in: Rebuild.
3155
3156 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
3157
3158         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
3159         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
3160         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
3161         MIPS_GP_SAVE_AREA_SIZE.
3162         * config/mips/mips.c (struct mips_frame_info): Update comment
3163         before arg_pointer_offset and hard_frame_pointer_offset.
3164         (mips_compute_frame_info): Update diagram before function: to
3165         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
3166         indicate the position of frame_pointer_rtx with -fstack-protector and
3167         to show args_size.  Don't allocate cprestore area for leaf functions
3168         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
3169         cprestore_size.
3170         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
3171
3172 2009-04-30  Michael Matz  <matz@suse.de>
3173
3174         PR tree-optimization/39955
3175         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
3176
3177 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
3178
3179         * ira.c (setup_cover_and_important_classes):  Use safe macro
3180         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
3181         directly.
3182         * genpreds.c (write_tm_preds_h):  Output suitable definition of
3183         REG_CLASS_FOR_CONSTRAINT.
3184
3185 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
3186
3187         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
3188         instead of an int.
3189         * bitmap.c (bitmap_descriptor): Likewise.
3190         * ggc-common.c (loc_descriptor): Likewise.
3191         * varray.c (varray_descriptor): Likewise.
3192         * vec.c (vec_descriptor): Likewise.
3193
3194 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
3195
3196         * Makefile.in (dce.o): Add $(EXCEPT_H).
3197         * dce.c: Include except.h and delete redundant vector definitions.
3198         (deletable_insn_p): Return false for non-call insns that can throw
3199         if DF is running.
3200
3201 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
3202
3203         * gcse.c (ae_gen): Remove.
3204         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
3205         and make non-static function to make it available in store-motion.c.
3206         Update call sites with search-and-replace.
3207         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
3208         extract_mentioned_regs, extract_mentioned_regs_helper,
3209         find_moveable_store, compute_store_table, load_kills_store, find_loads,
3210         store_killed_in_insn, store_killed_after, store_killed_before,
3211         build_store_vectors, insert_insn_start_basic_block, insert-store,
3212         remove_reachable_equiv_notes, replace_store_insn, delete_store,
3213         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
3214         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
3215         * store-motion.c: ...new file.  Also copy data structures from gcse.c
3216         and clean up to remove parts not used by store motion.
3217         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
3218         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
3219
3220 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3221
3222         PR target/38571
3223         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
3224         when optimizing for size.
3225
3226 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
3227
3228         * gcse.c (gcse_constant_p): Fix typo in last change.
3229
3230 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
3231
3232         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
3233
3234 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
3235
3236         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
3237
3238 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
3239
3240         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
3241         CONST_HIGH_PART result.
3242
3243 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
3244
3245         * config/avr/avr.c (initial_elimination_offset): Rename to
3246         avr_initial_elimination_offset.
3247         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
3248         change return type to bool.
3249         (avr_can_eliminate): New function.
3250         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
3251         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
3252         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
3253         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
3254         avr_initial_elimination_offset.
3255         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
3256         (avr_initial_elimination_offset): Define.
3257
3258 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
3259             Steven Bosscher  <steven@gcc.gnu.org>
3260
3261         PR rtl-optimization/39938
3262         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
3263         * cfgrtl.c: Include insn-attr.h.
3264         (rest_of_pass_free_cfg): New function.
3265         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
3266         * resource.c (init_resource_info): Remove call to df_analyze.
3267
3268 2009-04-29  Richard Guenther  <rguenther@suse.de>
3269
3270         PR target/39943
3271         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
3272         allow conversion to signed integers.
3273
3274 2009-04-29  Richard Guenther  <rguenther@suse.de>
3275
3276         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
3277         shifts of floating point vectors if the shift amount is
3278         a constant multiple of the element size.
3279
3280 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3281             Michael Matz  <matz@suse.de>
3282
3283         PR middle-end/39927
3284         PR bootstrap/39929
3285         * tree-outof-ssa.c (emit_partition_copy): New function.
3286         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3287         insert_part_to_rtx_on_edge): Perform the partition base var
3288         copy using emit_partition_copy.
3289         (insert_value_copy_on_edge): Convert constants to the right mode.
3290         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
3291         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
3292
3293 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
3294
3295         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
3296         scan backwards to try to find a constant to initialize it.
3297
3298         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
3299         insn before the loop_end instruction, don't look past labels.
3300
3301 2009-04-29  Richard Guenther  <rguenther@suse.de>
3302
3303         PR middle-end/39937
3304         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3305         loose type conversions.
3306         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
3307         stmts only if there are no uses of its definition.
3308
3309 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
3310
3311         * config/bfin/bfin.h (splitting_loops): Declare.
3312         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
3313         Reorder bit definitions to be ascending.
3314         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
3315         * config/bfin/bfin.c (splitting_loops): New variable.
3316         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
3317         (struct loop_info): Remove members INIT and LOOP_INIT.
3318         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
3319         the LSETUP sequence.  Allow LC to be loaded from any register, but
3320         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
3321         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
3322         set to 1.
3323         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
3324         of reload_completed.
3325
3326         From Jie Zhang:
3327         * config/bfin/bfin.md (movsi_insn): Refine constraints.
3328
3329 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
3330
3331         * Makefile.in (PLUGIN_VERSION_H): New.
3332         (OBJS-common): Remove plugin-version.o.
3333         (plugin.o): Depend on (PLUGIN_VERSION_H).
3334         (plugin-version.o): Remove.
3335         * configure: Regenerate
3336         * configure.ac: Create plugin-version.h.
3337         * gcc-plugin.h (plugin_gcc_version): Remove.
3338         (plugin_default_version_check): Change signature.
3339         * plugin-version.c: Remove.
3340         * plugin.c: Include plugin-version.h.
3341         (str_plugin_gcc_version_name): Remove.
3342         (try_init_one_plugin): Pass gcc version to plugin_init.
3343         (plugin_default_version_check): Both gcc and plugin versions are now
3344         arguments.
3345
3346 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
3347         
3348         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
3349         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
3350         Remove special case testing for last insn of inner loops. Don't fail
3351         if the loop ends with a jump, emit an extra nop instead.
3352
3353         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
3354         DREGS rather than comparing directly.  Remove code that tries to
3355         account for latencies.
3356
3357 2009-04-29  Richard Guenther  <rguenther@suse.de>
3358
3359         PR tree-optimization/39941
3360         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
3361         eliminating an indirect call.
3362
3363 2009-04-29  Richard Guenther  <rguenther@suse.de>
3364
3365         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
3366         parameter.  Allow invariants as base if !require_lvalue.
3367         (verify_gimple_assign_single): Adjust.
3368
3369 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
3370
3371         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
3372         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
3373         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
3374         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
3375         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
3376         a VEC_SELECT.
3377         * config/bfin/bfin.c (bfin_expand_builtin,
3378         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
3379
3380 2009-04-28  Richard Guenther  <rguenther@suse.de>
3381
3382         * tree-vect-loop.c (get_initial_def_for_induction): Use
3383         correct types for pointer increment.
3384
3385 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3386
3387         * toplev.c (print_version): Update GMP version string calculation.
3388
3389 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
3390
3391         PR rtl-optimization/39938
3392         * resource.c (init_resource_info): Add call to df_analyze.
3393
3394 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
3395
3396         * config/alpha/alpha.md (usegp): Cast the result of
3397         alpha_find_lo_sum_using_gp to enum attr_usegp.
3398         * config/alpha/alpha.c (override_options): Remove end-of-structure
3399         marker element from cpu_table.  Use array size of cpu_table to handle
3400         -mcpu and -mtune options.
3401         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
3402
3403 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
3404
3405         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
3406         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
3407         tune_32 and tune_64.
3408         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
3409         support on PowerPC.
3410         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
3411         * config/rs6000/option-defaults.h: ... here.  New file.
3412         (OPT_64, OPT_32): Define.
3413         (MASK_64BIT): Define to 0 if not already defined.
3414         (OPT_ARCH64, OPT_ARCH32): Define.
3415         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
3416         and tune_64.
3417
3418 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3419
3420         * config/arm/arm.c (arm_override_options): Emit error on using
3421         fpa with AAPCS.
3422
3423 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
3424
3425         PR rtl-optimization/39914
3426         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
3427         registers for allocnos created from user-defined variables only
3428         when not optimizing.
3429
3430 2009-04-28  Richard Guenther  <rguenther@suse.de>
3431
3432         PR middle-end/39937
3433         * fold-const.c (fold_binary): Use distribute_real_division only
3434         on float types.
3435
3436 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
3437
3438         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
3439         add hpux-stdint.h to tm_file.
3440         (hppa[12]*-*-hpux11*): Ditto.
3441         (ia64*-*-hpux*): Ditto.
3442         * config/hpux-stdint.h: New.
3443         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
3444         __STDC_EXT__ for all compiles.
3445         * config/pa/pa-hpux.h: Ditto.
3446         * config/pa/pa-hpux10.h: Ditto.
3447         * config/pa/pa-hpux11.h: Ditto.
3448
3449 2009-04-28  Catherine Moore  <clm@codesourcery.com>
3450
3451         * debug.h (set_name): Add comment.
3452
3453 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
3454
3455         PR target/39929
3456         * config/darwin.c (machopic_gen_offset): Check
3457         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
3458         * config/arm/arm.c (require_pic_register): Likewise.
3459
3460 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
3461
3462         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
3463         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
3464         m32c_promote_prototypes): Delete.
3465
3466 2009-04-28  Michael Matz  <matz@suse.de>
3467
3468         PR middle-end/39922
3469         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
3470         constants.
3471
3472 2009-04-28  Richard Guenther  <rguenther@suse.de>
3473
3474         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
3475
3476 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3477
3478         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
3479         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
3480         * config/arm/arm-tune.md: Regenerate.
3481
3482 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
3483
3484         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
3485         block if there are complex incoming edges.
3486         (sel_merge_blocks): Remove useless assert.
3487         (sel_redirect_edge_and_branch): Check that edge was redirected.
3488         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
3489         (sel_find_rgns): Delete declaration.
3490         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
3491         the region when it is not a preheader.
3492
3493 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
3494
3495         PR c/39323
3496         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
3497
3498 2009-04-28  Richard Guenther  <rguenther@suse.de>
3499
3500         * tree.h (SSA_NAME_VALUE): Remove.
3501         (struct tree_ssa_name): Remove value_handle member.
3502         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
3503         array for jump threading.
3504         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
3505         SSA_NAME_VALUEs.
3506         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
3507         * tree-flow.h (threadedge_initialize_values): Declare.
3508         (threadedge_finalize_values): Likewise.
3509         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
3510         (SSA_NAME_VALUE): Define.
3511         (threadedge_initialize_values): New function.
3512         (threadedge_finalize_values): Likewise.
3513         * tree-ssa-dom.c (ssa_name_values): New global variable.
3514         (SSA_NAME_VALUE): Define.
3515         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
3516
3517 2009-04-28  Ira Rosen  <irar@il.ibm.com>
3518
3519         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
3520         Use REPORT_VECTORIZED_LOCATIONS instead 
3521         REPORT_VECTORIZED_LOOPS.
3522         * tree-vectorizer.c (vect_verbosity_level): Make static.
3523         (vect_loop_location): Rename to vect_location.
3524         (vect_set_verbosity_level): Update comment.
3525         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
3526         and vect_location.
3527         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
3528         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
3529         instead REPORT_UNVECTORIZED_LOOPS.
3530         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
3531         and vect_loop_def to vect_external_def and vect_internal_def.
3532         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
3533         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
3534         REPORT_UNVECTORIZED_LOCATIONS.
3535         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
3536         and vect_used_in_loop and to vect_unused_in_scope and 
3537         vect_used_in_scope.
3538         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
3539         (vect_verbosity_level): Remove declaration.
3540         (vect_analyze_operations): Likewise.
3541         (vect_analyze_stmt): Declare.
3542         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
3543         REPORT_UNVECTORIZED_LOCATIONS.
3544         (vect_get_loop_niters): Fix indentation.
3545         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
3546         (vect_analyze_loop_operations): New function.
3547         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
3548         vect_analyze_operations.
3549         (vect_is_simple_reduction): Use new names.
3550         (vectorizable_live_operation, vect_transform_loop): Likewise.
3551         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
3552         to specify whether the data references can be a part of interleaving
3553         chain.
3554         (vect_analyze_data_ref_dependence): Use new names.
3555         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
3556         (vect_create_addr_base_for_vector_ref): Remove redundant code.
3557         * tree-vect-patterns.c (widened_name_p): Use new names.
3558         (vect_recog_dot_prod_pattern): Likewise.
3559         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
3560         (process_use, vect_mark_stmts_to_be_vectorized, 
3561         vect_model_simple_cost, vect_model_store_cost,
3562         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
3563         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3564         vectorizable_operation, vectorizable_type_demotion,
3565         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
3566         vectorizable_condition): Likewise.
3567         (vect_analyze_operations): Split into vect_analyze_loop_operations
3568         and ...
3569         (vect_analyze_stmt): ... new function.
3570         (new_stmt_vec_info): Use new names.
3571         (vect_is_simple_use): Use new names and fix comment.
3572         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
3573         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
3574
3575 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
3576
3577         PR target/39911
3578         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
3579         and integer modes for x87 operands.  Do not ICE for unsupported size,
3580         generate error instead.  Generate error for unsupported operand types.
3581         ['z']: Do not handle HImode memory operands specially.  Warning
3582         for floating-point operands.  Fallthru to 'Z' for unsupported operand
3583         types.  Do not ICE for unsupported size, generate error instead.
3584         (output_387_binary_op): Use %Z to output operands.
3585         (output_fp_compare): Ditto.
3586         (output_387_reg_move): Ditto.
3587
3588 2009-04-28  Ben Elliston  <bje@au.ibm.com>
3589
3590         PR c++/35652
3591         Revert:
3592
3593         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3594
3595         * builtins.c (c_strlen): Do not warn here.
3596         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
3597         * c-common.c (pointer_int_sum): Take an explicit location.
3598         Warn about offsets out of bounds.
3599         * c-common.h (pointer_int_sum): Adjust declaration.
3600
3601 2009-04-27  Ian Lance Taylor  <iant@google.com>
3602
3603         * collect2.c (is_ctor_dtor): Change type of ret field in struct
3604         names to symkind.
3605         * dce.c (run_fast_df_dce): Change type of old_flags to int.
3606         * df-core.c (df_set_flags): Change return type to int.  Change
3607         type of old_flags to int.
3608         (df_clear_flags): Likewise.
3609         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
3610         (df_get_conditional_uses): Likewise.
3611         * df.h (df_set_flags, df_clear_flags): Update declarations.
3612         * dwarf2out.c (struct indirect_string_node): Change type of form
3613         field to enum dwarf_form.
3614         (AT_string_form): Change return type to enum dwarf_form.
3615         * fixed-value.c (fixed_compare): Add cast to enum type.
3616         * fwprop.c (update_df): Change 0 to VOIDmode.
3617         * gensupport.c: Change 0 to UNKNOWN.
3618         * gimple.h (gimple_cond_code): Add cast to enum type.
3619         * haifa-sched.c (reemit_notes): Add cast to enum type.
3620         * hooks.c (hook_int_void_no_regs): Remove function.
3621         * hooks.h (hook_int_void_no_regs): Remove declaration.
3622         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
3623         * predict.c (combine_predictions_for_insn): Add casts to enum type.
3624         * real.c (real_arithmetic): Add cast to enum type.
3625         (real_compare): Likewise.
3626         * target.h (struct gcc_target): Change return type of
3627         branch_target_register_class to enum reg_class.
3628         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
3629         default_branch_target_register_class.
3630         * targhooks.c (default_branch_target_register_class): New function.
3631         * targhooks.h (default_branch_target_register_class): Declare.
3632         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
3633         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
3634         cast to int.
3635         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
3636         ERROR_MARK.
3637         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
3638         vect_uninitialized_def.  Change 0 to ERROR_MARK.
3639         * tree-vect-stmts.c (supportable_widening_operation): Don't
3640         initialize icode1 and icode2.
3641         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
3642         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
3643         and to STD_C89.
3644         (cmn_err_flag_specs): Change 0 to STD_C89.
3645         (cmn_err_char_table): Likewise.
3646         * config/arm/arm.c (get_arm_condition_code): Change type of code
3647         to enum arm_cond_code.
3648         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
3649         (IWMMXT_BUILTIN2): Likewise.
3650         (neon_builtin_type_bits): Don't define typedef.
3651         (neon_builtin_datum): Change type of bits field to int.
3652         (arm_expand_neon_args): Add cast to enum type.
3653         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
3654         TLS_MODEL_NONE.
3655         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
3656         casts to enum type.
3657         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
3658         MIPS_FP_COND_f.
3659         * config/mips/mips.md (jal_macro): Return enum constant.
3660         (single_insn): Likewise.
3661         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
3662         CODE_FOR_nothing.
3663         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3664         casts to enum type.
3665         * config/s390/s390.c (s390_tune_flags): Change type to int.
3666         (s390_arch_flags): Likewise.
3667         (s390_handle_arch_option): Change flags field of struct pta to int.
3668         * config/s390/s390.h (s390_tune_flags): Update declaration.
3669         (s390_arch_flags): Likewise.
3670         * config/sh/sh.c (prepare_move_operands): Compare
3671         tls_symbolic_operand result with enum constant.
3672         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
3673         (sh_expand_prologue): Add cast to enum type.
3674         (sh_expand_epilogue): Likewise.
3675         (tls_symbolic_operand): Change return type to enum tls_model.
3676         (fpscr_set_from_mem): Add cast to enum type.
3677         (legitimize_pic_address): Compare tls_symbolic_operand result with
3678         enum constant.
3679         (sh_target_reg_class): Change return type to enum reg_class.
3680         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
3681         PROCESSOR_xxx.
3682         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
3683         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
3684         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
3685         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
3686         (delayed_branch, tls_call_delay): Likewise.
3687         (eligible_for_sibcall_delay): Likewise.
3688         (eligible_for_return_delay): Likewise. 
3689         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
3690         (spu_expand_builtin_1): Likewise.
3691
3692         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
3693         for all types of conversions.
3694         (output_init_element): Issue -Wc++-compat warning if needed when
3695         initializing a bitfield with enum type.
3696         * c-parser.c (c_parser_expression): Set original_type to
3697         original_type of right hand operand of comman operator.
3698
3699 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3700
3701         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
3702         grammar nits.
3703         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
3704         * doc/cpp.texi (Standard Predefined Macros)
3705         (Implementation-defined behavior): Likewise.
3706         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
3707         * doc/gimple.texi (GIMPLE Exception Handling)
3708         (@code{GIMPLE_ASSIGN}): Likewise.
3709         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
3710         * doc/invoke.texi (Warning Options, Optimize Options)
3711         (AVR Options, Darwin Options): Likewise.
3712         (Optimize Options): Reformulate -fwhole-program description.
3713         * doc/loop.texi (Lambda): Likewise.
3714         * doc/md.texi (Output Template, Define Constraints)
3715         (Standard Names, Insn Splitting): Likewise.
3716         * doc/options.texi (Option properties): Likewise.
3717         * doc/passes.texi (Tree-SSA passes): Likewise.
3718         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
3719         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
3720         (File Names and DBX): Likewise.
3721         * doc/trouble.texi (Incompatibilities): Likewise.
3722
3723 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3724
3725         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
3726         instruction is correct.
3727
3728 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3729
3730         Allow non-constant arguments to conversion intrinsics.
3731         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
3732         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
3733         * spu.c (print_operand): Handle 'v' and 'w'.
3734         (exp2_immediate_p, spu_gen_exp2): Define.
3735         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
3736         spu_convtf_1): Update parameter descriptions.
3737         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
3738         * constraints.md ('v', 'w'): New.
3739         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
3740         Remove.
3741         (i2f, I2F): New define_mode_attr.
3742         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
3743         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
3744         fixuns_truncv4sfv4si2):  Update to use mode attribute.
3745         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
3746         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
3747         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
3748         patterns for combine.
3749
3750 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
3751
3752         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
3753         (cprop, hoist, pre, store_motion): New debug counters.
3754         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
3755         is not an RTL pass anymore.
3756         (pass_profiling): Remove extern decl for pass removed in 2005.
3757         (pass_gcse, pass_jump_bypass): Remove.
3758         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
3759         to 0 for clean state.
3760         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
3761         * cse.c (gate_handle_cse_after_global_opts,
3762         rest_of_handle_cse_after_global_opts): New functions.
3763         (pass_cse_after_global_opts): New pass, does local CSE.
3764         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
3765         (TV_CPROP): New timevar.
3766         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
3767         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
3768         (gcse_main, recompute_all_luids): Remove.
3769         (compute_hash_table_work): Call max_reg_num instead of reading
3770         max_gcse_regno.
3771         (cprop_jump): Don't set run_jump_opt_after_gcse.
3772         (constprop_register): Always allow to alter jumps.
3773         (cprop_insn): Likewise.
3774         (do_local_cprop): Likewise.
3775         (local_cprop_pass): Likewise.  Return non-zero if something changed.
3776         (cprop): Remove function, fold interesting bits into one_cprop_pass.
3777         (find_implicit_sets): Add note about missed optimization opportunity.
3778         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
3779         pass_rtl_cprop execute function.
3780         Don't bother tracking the pass number, each pass gets its own dumpfile
3781         now anyway.
3782         Always allow to alter jumpsand bypass jumps.
3783         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
3784         will just find no suitable set.
3785         (pre_edge_insert): Fix dumping, this function is for PRE only.
3786         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
3787         pass_rtl_pre execute function.
3788         (hoist_code): Return non-zero if something changed.  Keep track of
3789         substitutions and insertions for statistics gathering similar to PRE.
3790         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
3791         called from the pass_rtl_hoist execute function.  Show pass statistics.
3792         (compute_store_table): Use max_reg_num directly instead of using the
3793         formerly global max_gcse_regno.
3794         (build_store_vectors): Likewise.
3795         (replace_store_insn): Fix dumping.
3796         (store_motion): Rename to ...
3797         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
3798         pass, called from the pass_rtl_store_motion execute function.  Keep
3799         track of substitutions and insertions for statistics gathering similar
3800         to PRE.
3801         (bypass_jumps): Remove, fold interesting bits into ...
3802         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
3803         from the pass_rtl_cprop execute function.
3804         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
3805         pass_jump_bypass): Remove.
3806         (gate_handle_gcse, rest_of_handle_gcse): Remove.
3807         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
3808         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
3809         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
3810         (gate_rtl_store_motion, execute_rtl_store_motion,
3811         pass_rtl_store_motion): New.
3812         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
3813         make it clear that -fcse-skip-blocks is a no-op for backward compat.
3814         * passes.c (init_optimization_passes): Remove pass_gcse and
3815         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
3816         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
3817         instead of pass_jump_bypass.
3818
3819 2009-04-27  Richard Guenther  <rguenther@suse.de>
3820
3821         PR middle-end/39928
3822         * gimplify.c (gimplify_expr): If we are required to create
3823         a temporary make sure it ends up as register.
3824
3825 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3826
3827         PR target/39903
3828         * config/i386/i386.c (construct_container): Don't call
3829         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
3830         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
3831
3832 2009-04-27  Michael Matz  <matz@suse.de>
3833
3834         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
3835         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
3836         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
3837         (dump_replaceable_exprs): Take a bitmap.
3838         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
3839         array.
3840         (expand_gimple_basic_block): Likewise.
3841         * tree-ssa-ter.c (struct temp_expr_table_d): Make
3842         replaceable_expressions member a bitmap.
3843         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
3844         (mark_replaceable): Likewise.
3845         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
3846         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
3847
3848 2009-04-27  Richard Guenther  <rguenther@suse.de>
3849
3850         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
3851         (verify_stmts): Dispatch to gimple/type verification code.
3852         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
3853         issue with call argument types.
3854
3855 2009-04-27  Michael Matz  <matz@suse.de>
3856
3857         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
3858         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
3859         to above.
3860
3861 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
3862             Eric Botcazou  <ebotcazou@adacore.com>
3863
3864         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
3865         a label's basic block.
3866         (mark_target_live_regs): Tidy and rework obsolete comments.
3867         Change back DF problem to LIVE.  If a label starts a basic block,
3868         assume that all registers that used to be live then still are.
3869         (init_resource_info): If a label starts a basic block, set its
3870         BLOCK_FOR_INSN accordingly.
3871         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
3872
3873 2009-04-27  Richard Guenther  <rguenther@suse.de>
3874
3875         * tree-flow-inline.h (function_ann): Remove.
3876         (get_function_ann): Likewise.
3877         * tree-dfa.c (create_function_ann): Remove.
3878         * tree-flow.h (struct static_var_ann_d): Remove.
3879         (struct function_ann_d): Likewise.
3880         (union tree_ann_d): Remove fdecl member.
3881         (function_ann_t): Remove.
3882         (function_ann, get_function_ann, create_function_ann): Remove
3883         declarations.
3884
3885 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
3886
3887         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
3888
3889 2009-04-27  Jan Hubicka  <jh@suse.cz>
3890
3891         * ipa-pure-const.c (struct funct_state_d): New fields
3892         state_previously_known, looping_previously_known; remove
3893         state_set_in_source.
3894         (analyze_function): Use new fields.
3895         (propagate): Avoid assumption that state_set_in_source imply
3896         nonlooping.
3897
3898         * tree-ssa-loop-niter.c (finite_loop_p): New function.
3899         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
3900         * cfgloop.h (finite_loop_p): Declare.
3901
3902 2009-04-26  Michael Matz  <matz@suse.de>
3903
3904         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
3905
3906 2009-04-26  Michael Matz  <matz@suse.de>
3907
3908         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
3909         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
3910         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
3911         pass_mark_used_blocks): Remove.
3912         * tree-optimize.c (pass_free_datastructures,
3913         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
3914         * passes.c (init_optimization_passes): Don't call
3915         pass_mark_used_blocks, remove dead code.
3916
3917 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
3918
3919         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
3920         * tree-ssa-live.h (register_ssa_partition): Likewise.
3921
3922 2009-04-26  Michael Matz  <matz@suse.de>
3923
3924         Expand from SSA.
3925         * builtins.c (fold_builtin_next_arg): Handle SSA names.
3926         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
3927         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
3928         SSA names. 
3929         (compare_pairs): Swap cost comparison.
3930         (coalesce_ssa_name): Don't use change_partition_var.
3931         * tree-nrv.c (struct nrv_data): Add modified member.
3932         (finalize_nrv_r): Set it.
3933         (tree_nrv): Use it to update statements.
3934         (pass_nrv): Require PROP_ssa.
3935         * tree-mudflap.c (mf_decl_cache_locals,
3936         mf_build_check_statement_for): Use make_rename_temp.
3937         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
3938         * alias.c (find_base_decl): Handle SSA names.
3939         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
3940         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
3941         * rtl.h (set_reg_attrs_for_parm): Declare.
3942         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
3943         to "optimized", remove unused locals at finish.
3944         (execute_free_datastructures): Make global, call
3945         delete_tree_cfg_annotations.
3946         (execute_free_cfg_annotations): Don't call
3947         delete_tree_cfg_annotations.
3948
3949         * ssaexpand.h: New file.
3950         * expr.c (toplevel): Include ssaexpand.h.
3951         (expand_assignment): Handle SSA names the same as register variables.
3952         (expand_expr_real_1): Expand SSA names.
3953         * cfgexpand.c (toplevel): Include ssaexpand.h.
3954         (SA): New global variable.
3955         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
3956         (SSAVAR): New macro.
3957         (set_rtl): New helper function.
3958         (add_stack_var): Deal with SSA names, use set_rtl.
3959         (expand_one_stack_var_at): Likewise.
3960         (expand_one_stack_var): Deal with SSA names.
3961         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
3962         before unique numbers.
3963         (expand_stack_vars): Use set_rtl.
3964         (expand_one_var): Accept SSA names, add asserts for them, feed them
3965         to above subroutines.
3966         (expand_used_vars): Expand all partitions (without default defs),
3967         then only the local decls (ignoring those expanded already).
3968         (expand_gimple_cond): Remove edges when jumpif() expands an
3969         unconditional jump.
3970         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
3971         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
3972         SSA name.
3973         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
3974         members of SA; deal with PARM_DECL partitions here; expand
3975         all PHI nodes, free tree datastructures and SA.  Commit instructions
3976         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
3977         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
3978         info and statements at start, collect garbage at finish.
3979         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
3980         (VAR_ANN_PARTITION) Remove.
3981         (change_partition_var): Don't declare.
3982         (partition_to_var): Always return SSA names.
3983         (var_to_partition): Only accept SSA names.
3984         (register_ssa_partition): Only check argument.
3985         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
3986         member.
3987         (delete_var_map): Don't free it.
3988         (var_union): Only accept SSA names, simplify.
3989         (partition_view_init): Mark only useful SSA names as used.
3990         (partition_view_fini): Only deal with SSA names.
3991         (change_partition_var): Remove.
3992         (dump_var_map): Use ssa_name instead of partition_to_var member.
3993         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
3994         basic blocks.
3995         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
3996         (struct _elim_graph): New member const_dests; nodes member vector of
3997         ints.
3998         (set_location_for_edge): New static helper.
3999         (create_temp): Remove.
4000         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
4001         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
4002         (new_elim_graph): Allocate const_dests member.
4003         (clean_elim_graph): Truncate const_dests member.
4004         (delete_elim_graph): Free const_dests member.
4005         (elim_graph_size): Adapt to new type of nodes member.
4006         (elim_graph_add_node): Likewise.
4007         (eliminate_name): Likewise.
4008         (eliminate_build): Don't take basic block argument, deal only with
4009         partition numbers, not variables.
4010         (get_temp_reg): New static helper.
4011         (elim_create): Use it, deal with RTL temporaries instead of trees.
4012         (eliminate_phi): Adjust all calls to new signature.
4013         (assign_vars, replace_use_variable, replace_def_variable): Remove.
4014         (rewrite_trees): Only do checking.
4015         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
4016         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
4017         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
4018         contains_tree_r, MAX_STMTS_IN_LATCH,
4019         process_single_block_loop_latch, analyze_edges_for_bb,
4020         perform_edge_inserts): Remove.
4021         (expand_phi_nodes): New global function.
4022         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
4023         functions, initialize new parameter, remember partitions having a
4024         default def.
4025         (finish_out_of_ssa): New global function.
4026         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
4027         don't reset in_ssa_p here, don't disable TER when mudflap.
4028         (pass_del_ssa): Remove.
4029         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
4030         partition members.
4031         (execute_free_datastructures): Declare.
4032         * Makefile.in (SSAEXPAND_H): New variable.
4033         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
4034         * basic-block.h (commit_one_edge_insertion): Declare.
4035         * passes.c (init_optimization_passes): Move pass_nrv and
4036         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
4037         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
4038         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
4039         (redirect_branch_edge): Deal with super block when expanding, split
4040         out jump patching itself into ...
4041         (patch_jump_insn): ... here, new static helper.
4042
4043 2009-04-26  Michael Matz  <matz@suse.de>
4044
4045         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
4046         beyond num_ssa_names.
4047         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
4048         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
4049
4050 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
4051
4052         PR inline-asm/39543
4053         * fwprop.c (forward_propagate_asm): New function.
4054         (forward_propagate_and_simplify): Propagate also into __asm, if it
4055         doesn't increase the number of referenced registers.
4056
4057         PR c/39889
4058         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
4059
4060 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
4061
4062         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
4063         note_nonlocal_vla_type for nonlocal VLAs.
4064         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
4065         contains_remapped_vars, remap_vla_decls): New functions.
4066         (convert_nonlocal_reference_stmt): If not optimizing, call
4067         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
4068         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
4069         if it wasn't found in var_map.
4070         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
4071         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
4072         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
4073         declare_vars.
4074         * gimplify.c (nonlocal_vlas): New variable.
4075         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
4076         referenced VLAs.
4077         (gimplify_body): Create and destroy nonlocal_vlas.
4078
4079         * dwarf2out.c (loc_descr_plus_const): New function.
4080         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
4081         mem_loc_descriptor, loc_descriptor_from_tree_1,
4082         descr_info_loc, gen_variable_die): Use it.
4083
4084         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
4085         !TREE_STATIC VAR_DECLs.
4086         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
4087         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
4088         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
4089         DECL_BY_REFERENCE is valid.
4090         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
4091         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
4092         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
4093         Copy DECL_BY_REFERENCE.
4094         (struct nesting_copy_body_data): New type.
4095         (nesting_copy_decl): New function.
4096         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
4097         if they have variable length.
4098
4099 2009-04-26  Michael Matz  <matz@suse.de>
4100
4101         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
4102         mark new temporaries for renaming.
4103
4104 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
4105
4106         PR c/39581
4107         * c-decl.c (global_bindings_p): Return negative value.
4108         (c_variable_size): New.  Based on variable_size from
4109         stor-layout.c.
4110         (grokdeclarator): Call c_variable_size not variable_size.
4111
4112 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
4113
4114         * config/i386/i386.c (print_operand) ['z']: Fix typo.
4115
4116 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
4117
4118         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
4119         Redefine it to just use mingw/include.
4120         (ASM_SPEC): Rules for -m32 and -m64.
4121         (LINK_SPEC): Use Likewise.
4122         (SPEC_32): New define.
4123         (SPEC_64): Likewise.
4124         (SUB_LINK_SPEC): Likewise.
4125         (MULTILIB_DEFAULTS): New define.
4126         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
4127         Add multilib options.
4128         (MULTILIB_DIRNAMES): Likewise.
4129         (MULTILIB_OSDIRNAMES): Likewise.
4130         (LIBGCC): Likewise.
4131         (INSTALL_LIBGCC): Likewise.
4132
4133 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
4134
4135         PR c/39556
4136         * c-tree.h (enum c_inline_static_type): New.
4137         (record_inline_static): Declare.
4138         * c-decl.c (struct c_inline_static, c_inline_statics,
4139         record_inline_static, check_inline_statics): New.
4140         (pop_file_scope): Call check_inline_statics.
4141         (start_decl): Call record_inline_static instead of pedwarning
4142         directly for static in inline function.
4143         * c-typeck.c (build_external_ref): Call record_inline_static
4144         instead of pedwarning directly for static referenced in inline
4145         function.
4146
4147 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
4148
4149         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
4150         not new but only being rescanned.
4151         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
4152         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
4153         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
4154         record_set_info, compute_set, grealloc): Remove.
4155         (recompute_all_luids): New function.
4156         (gcse_main): Don't compute sets, and don't do related memory
4157         allocations/free-ing.  If something changed before the end of the
4158         pass, update LUIDs using recompute_all_luids.
4159         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
4160         (free_gcse_mem): Don't free it either.
4161         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
4162         Use the df insn LUIDs.
4163         (load_killed_in_block): Likewise.
4164         (compute_hash_table_work): Don't compute reg_set_in_block.
4165         (compute_transp): Use DF_REG_DEF_CHAINs.
4166         (local_cprop_pass): Don't use compute_sets and related functions.
4167         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
4168         Use get_max_uid() instead of max_cuid.
4169         (insert_insn_end_basic_block, pre_insert_copy_insn,
4170         update_ld_motion_stores): Don't try to
4171         keep reg_set tables up to date.
4172         (pre_insert_copies): Use df insn LUIDs.
4173         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
4174         (reg_set_info): Don't use extra bitmap argument.
4175         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
4176         information to compute regs_set_in_block.
4177         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
4178         (bypass_jumps): Don't use compute_sets and friends.
4179
4180 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4181
4182         PR testsuite/39710
4183         * opts.c (undocumented_msg): Do not leave blank even with
4184         ENABLE_CHECKING.
4185
4186 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
4187
4188         * c-decl.c (build_enumerator): Allow values folding to integer
4189         constants but not integer constant expressions with a pedwarn if
4190         pedantic.
4191
4192 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
4193
4194         PR c/39582
4195         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
4196         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
4197         type is an integer constant.
4198
4199 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
4200
4201         PR target/39897
4202         * config/i386/i386.c (print_operand) ['z']: Revert handling of
4203         HImode operands.
4204
4205 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
4206
4207         PR c/39564
4208         * c-decl.c (grokdeclarator): Diagnose declarations of functions
4209         with variably modified return type and no storage class
4210         specifiers, except for the case of nested functions.  Distinguish
4211         extern declarations of functions with variably modified return
4212         types from those of objects with variably modified types.
4213
4214 2009-04-25  Jan Hubicka  <jh@suse.cz>
4215
4216         * tree.c (list_equal_p): New function.
4217         * tree.h (list_equal_p): Declare.
4218         * coretypes.h (edge_def, edge, const_edge, basic_block_def
4219         basic_block_def, basic_block, const_basic_block): New.
4220         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
4221         (redirect_eh_edge): New function.
4222         (make_eh_edge_update_phi): EH edges are not abnormal.
4223         * except.c: Include tree-flow.h.
4224         (list_match): New function.
4225         (eh_region_replaceable_by_p): New function.
4226         (replace_region): New function.
4227         (hash_type_list): New function.
4228         (hash_eh_region): New function.
4229         (eh_regions_equal_p): New function.
4230         (merge_peers): New function.
4231         (remove_unreachable_regions): Verify EH tree when checking;
4232         merge peers.
4233         (copy_eh_region_1): New function.
4234         (copy_eh_region): New function.
4235         (push_reachable_handler): New function.
4236         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
4237         regions without label but with live RESX.
4238         * except.h (redirect_eh_edge_to_label): New.
4239         * tree-flow.h (redirect_eh_edge): New.
4240         * coretypes.h (edge_def, edge, const_edge, basic_block_def
4241         basic_block_def, basic_block, const_basic_block): Remove.
4242         * Makefile.in (except.o): Add dependency on tree-flow.h
4243         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
4244         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
4245         Remove.
4246
4247 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
4248
4249         PR bootstrap/39645
4250         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
4251         on the destination of memcpy.
4252
4253 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
4254
4255         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
4256         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
4257         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
4258
4259 2009-04-25  Jan Hubicka  <jh@suse.cz>
4260
4261         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
4262         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
4263         to be reached by different label than left.
4264         (update_eh_edges): Update comment; remove edge_to_remove if possible
4265         and return true if suceeded.
4266         (cleanup_empty_eh): Accept sharing map; handle shared regions.
4267         (cleanup_eh): Compute sharing map.
4268         * except.c (remove_eh_handler_and_replace): Add argument if we should
4269         update regions.
4270         (remove_unreachable_regions): Update for label sharing.
4271         (label_to_region_map): Likewise.
4272         (get_next_region_sharing_label): New function.
4273         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
4274         prev_try pointers.
4275         (remove_eh_handler): Update.
4276         (remove_eh_region_and_replace_by_outer_of): New function.
4277         * except.h (struct eh_region): Add next_region_sharing_label.
4278         (remove_eh_region_and_replace_by_outer_of,
4279         get_next_region_sharing_label): Declare.
4280         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
4281
4282 2009-04-25  Jan Hubicka  <jh@suse.cz>
4283
4284         * tree-cfg.c (split_critical_edges): Split also edges where we can't
4285         insert code even if they are not critical.
4286
4287 2009-04-25  Jan Hubicka  <jh@suse.cz>
4288
4289         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
4290         (gimple_can_remove_branch_p): EH edges won't remove branch by
4291         redirection.
4292         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
4293         updating of non-abnormal EH edges.
4294         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
4295         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
4296         (split_critical_edges): Split also edges where emitting code on them
4297         will lead to splitting later.
4298
4299 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
4300             H.J. Lu  <hongjiu.lu@intel.com>
4301
4302         PR target/39590
4303         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
4304         the configured assembler supports fildq and fistpq mnemonics.
4305         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
4306         * configure: Regenerated.
4307         * config.in: Ditto.
4308
4309         * config/i386/i386.c (print_operand): Handle 'Z'.
4310         ['z']: Remove handling of special fild/fist suffixes.
4311         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
4312         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
4313         suffix of fild insn.
4314         (*floatsi<mode>2_vector_mixed): Ditto.
4315         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
4316         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
4317         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
4318         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
4319         * config/i386/gas.h (GAS_MNEMONICS): Remove.
4320
4321 2009-04-25  Ben Elliston  <bje@au.ibm.com>
4322  
4323         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
4324         the source of a set operation.
4325
4326 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
4327
4328         * target.h (struct gcc_target): Add case_values_threshold field.
4329         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
4330         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
4331         * targhooks.c (default_case_values_threshold): New function.
4332         * targhooks.h (default_case_values_threshold): Declare function.
4333         * stmt.c (expand_case): Use case_values_threshold target hook.
4334         * expr.h (case_values_threshold): Remove declartation.
4335         * expr.c (case_values_threshold): Remove function.
4336         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
4337
4338         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
4339         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
4340         (avr_case_values_threshold): Declare as static.
4341         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
4342
4343         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
4344         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
4345         (mn10300_case_values_threshold): New function.
4346
4347 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
4348
4349         * ira.c (setup_cover_and_important_classes): Add enum cast.
4350
4351 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
4352
4353         * genpreds.c (write_enum_constraint_num): Output definition of
4354         CONSTRAINT_NUM_DEFINED_P macro.
4355         * ira.c (setup_cover_and_important_classes): Use
4356         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
4357         
4358 2009-04-24  DJ Delorie  <dj@redhat.com>
4359
4360         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
4361         __SH2A_SINGLE_ONLY__ also.
4362
4363 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
4364
4365         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
4366         (movdf_internal): Ditto.
4367         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
4368         SFmode and DFmode constants.
4369         (ia64_print_operand): Add 'G' format for printing
4370         floating point constants.
4371
4372 2009-04-24  Richard Guenther  <rguenther@suse.de>
4373
4374         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
4375         from unsigned additions.
4376
4377 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
4378
4379         * c-typeck.c (set_init_index): Allow array designators that are
4380         not integer constant expressions with a pedwarn if pedantic.
4381
4382 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
4383
4384         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
4385         zero if no overlap in nonzero bits between the operands.
4386
4387 2009-04-24  Ian Lance Taylor  <iant@google.com>
4388
4389         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
4390         (record_dead_and_set_regs): Likewise.
4391         * df.h (struct df_mw_hardreg): Change flags field to int.
4392         (struct df_base_ref): Likewise.
4393         (struct df): Change changeable_flags field to int.
4394         * df-scan.c (df_defs_record): Change clobber_flags to int.
4395         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
4396         constants rather than #define macros.
4397         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
4398         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
4399         (enum dwarf_calling_convention): Likewise.
4400         (enum dwarf_line_number_x_ops): Likewise.
4401         (enum dwarf_call_frame_info): Likewise.
4402         (enum dwarf_source_language): Likewise.
4403         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
4404         (add_calling_convention_attribute): Likewise.
4405         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
4406         (combine_comparisons): Change compcode to int.  Add cast to enum type.
4407         * genrecog.c (maybe_both_true_2): Change c to int.
4408         (write_switch): Likewise.  Add cast to enum type.
4409         * gimplify.c (gimplify_omp_for): Handle return values from
4410         gimplify_expr using MIN rather than bitwise or.
4411         (gimplify_expr): Add cast to enum type.
4412         * ipa-prop.c (update_jump_functions_after_inlining): Change
4413         IPA_BOTTOM to IPA_JF_UNKNOWN.
4414         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
4415         Add casts to enum type.
4416         (setup_cover_and_important_classes): Change cl to int.  Add casts
4417         to enum type.
4418         (setup_class_translate): Change cl and mode to int.
4419         (ira_init_once): Change mode to int.
4420         (free_register_move_costs): Likewise.
4421         (setup_prohibited_mode_move_regs): Add casts to enum type.
4422         * langhooks.c (add_builtin_function_common): Rework assertion that
4423         value fits bitfield.
4424         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
4425         * omega.c (omega_do_elimination): Avoid math on enum types.
4426         * optabs.c (expand_vec_shift_expr): Remove casts to int.
4427         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
4428         int local to handle integral_argment value.
4429         * regmove.c (try_auto_increment): Change PUT_MODE to
4430         PUT_REG_NOTE_KIND.
4431         * reload.c (push_secondary_reload): Add casts to enum type.
4432         (secondary_reload_class, find_valid_class): Likewise.
4433         * reload1.c (emit_input_reload_insns): Likewise.
4434         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
4435         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
4436         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
4437         constant.
4438         * tree.c (build_common_builtin_nodes): Add casts to enum type.
4439         * tree-complex.c (complex_lattice_t): Typedef to int rather than
4440         enum type.
4441         (expand_complex_libcall): Add casts to enum type.
4442         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
4443         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
4444         with ERROR_MARK, not NUM_TREE_CODES.
4445         (vect_create_epilog_for_reduction): Likewise.
4446         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
4447         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
4448         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
4449         enum machine_mode.
4450         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
4451         vect_unused_in_loop.  Change 0 to loop_vect.
4452         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
4453         * var-tracking.c (get_init_value): Change return type to enum
4454         var_init_status.
4455         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
4456         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
4457         arm_fp_model.
4458         (arm_override_options): Add casts to enum type.
4459         (arm_emit_tls_decoration): Likewise.
4460         * config/i386/i386.c (ix86_function_specific_restore): Add casts
4461         to enum type.
4462         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
4463         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
4464         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
4465         enum type.
4466         * config/s390/s390.c (code_for_builtin_64): Change to array of
4467         enum insn_code.
4468         (code_for_builtin_31): Likewise.
4469         (s390_expand_builtin): Change code_for_builtin to enum insn_code
4470         const *.
4471         * config/sparc/sparc.c (sparc_override_options): Change value
4472         field in struct code_model to enum cmodel.  In initializer change
4473         0 to NULL and add cast to enum type.
4474
4475         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
4476         Change all callers.  Issue a -Wc++-compat warning using
4477         lhs_origtype if necessary.
4478         (convert_for_assignment): Issue -Wc++-compat warnings about
4479         invalid conversions to enum type on assignment.
4480         * c-common.h (build_modify_expr): Update declaration.
4481
4482 2009-04-24  Nick Clifton  <nickc@redhat.com>
4483
4484         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
4485         (function_arg_advance): Likewise.
4486         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
4487         5th alternative.
4488
4489 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4490
4491         * config/s390/constraints.md ('I', 'J'): Fix condition.
4492
4493 2009-04-24  Diego Novillo  <dnovillo@google.com>
4494
4495         * gengtype-parse.c (parse_error): Add newline after message.
4496
4497 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
4498
4499         * config/i386/sse.md (avxmodesuffixs): Removed.
4500         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
4501         (*avx_pinsr<ssevecsize>): This.
4502
4503 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
4504
4505         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
4506         follow chains of regs with a single definition, and allow expressions
4507         that are function_invariant_p.
4508         (simple_rhs_p): Allow expressions that are function_invariant_p.
4509
4510 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
4511
4512         PR middle-end/39867
4513         * fold-const.c (fold_cond_expr_with_comparison): When folding
4514         > and >= to MAX, make sure the MAX uses the same type as the
4515         comparison's operands.
4516
4517 2009-04-24  Nick Clifton  <nickc@redhat.com>
4518
4519         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
4520         addressing for DImode accesses.
4521         (frv_print_operand_address): Handle PLUS case.
4522         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
4523
4524 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
4525
4526         PR rtl-optimization/39794
4527         * alias.c (canon_true_dependence): Add x_addr argument.
4528         * rtl.h (canon_true_dependence): Adjust prototype.
4529         * cse.c (check_dependence): Adjust canon_true_dependence callers.
4530         * cselib.c (cselib_invalidate_mem): Likewise.
4531         * gcse.c (compute_transp): Likewise.
4532         * dse.c (scan_reads_nospill): Likewise.
4533         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
4534         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
4535         canon_base_addr of the group, plus optional offset.
4536         (struct group_info): Rename canon_base_mem to
4537         canon_base_addr.
4538         (get_group_info): Set canon_base_addr to canon_rtx of base, not
4539         canon_rtx of base_mem.
4540
4541 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
4542
4543         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
4544         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
4545
4546 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4547
4548         * config/spu/spu-builtins.h: Delete file.
4549
4550         * config/spu/spu.h (enum spu_builtin_type): Move here from
4551         spu-builtins.h.
4552         (struct spu_builtin_description): Likewise.  Add GTY marker.
4553         Do not use enum spu_function_code or enum insn_code.
4554         (spu_builtins): Add extern declaration.
4555
4556         * config/spu/spu.c: Do not include "spu-builtins.h".
4557         (enum spu_function_code, enum spu_builtin_type_index,
4558         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
4559         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
4560         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
4561         unsigned_V2DI_type_node): Move here from spu-builtins.h.
4562         (spu_builtin_types): Make static.  Add GTY marker.
4563         (spu_builtins): Add extern declaration with GTY marker.
4564         Include "gt-spu.h".
4565
4566         * config/spu/spu-c.c: Do not include "spu-builtins.h".
4567         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
4568         Check programmatically whether all parameters are scalar.
4569
4570         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
4571
4572 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
4573
4574         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
4575         assignment from the constructor either if the target is volatile.
4576
4577 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
4578
4579         * config/arm/arm.md (insv): Do not share operands[0].
4580
4581 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
4582
4583         * config/vxlib-tls.c (active_tls_threads): Delete.
4584         (delete_hook_installed): New.
4585         (tls_delete_hook): Don't delete the delete hook.
4586         (tls_destructor): Delete it here.
4587         (__gthread_set_specific): Adjust installing the delete hook.
4588         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
4589         __gthread_leave_tsd_dtor_context.
4590
4591 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
4592
4593         * c-format.c (gcc_tdiag_char_table): Add support for %E.
4594
4595 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
4596
4597         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
4598         enum type.
4599         (alpha_rtx_costs): Ditto.
4600         (emit_unlikely_jump): Use add_reg_note.
4601         (emit_frame_store_1): Ditto.
4602         (alpha_expand_prologue): Ditto.
4603         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4604         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
4605
4606 2009-04-23  Nick Clifton  <nickc@redhat.com>
4607
4608         * config/v850/v850.md (epilogue): Remove suppressed code.
4609         (return): Rename to return_simple and remove test of frame size.
4610         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
4611         to gen_return_simple.
4612
4613 2009-04-22  Jing Yu  <jingyu@google.com>
4614
4615         PR testsuite/39781
4616         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4617
4618 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4619
4620         PR C/31499
4621         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
4622         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
4623         value is a VECTOR_CST, the element type is the element type of the
4624         vector.
4625
4626 2009-04-22  DJ Delorie  <dj@redhat.com>
4627
4628         * config/m32c/m32c.h: Update GTY annotations to new syntax.
4629
4630 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
4631
4632         * alias.c (find_base_term): Move around LO_SUM case, so that
4633         CONST falls through into PLUS/MINUS handling.
4634
4635         PR c/39855
4636         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
4637         into 0, use omit_one_operand.
4638
4639 2009-04-23  Ben Elliston  <bje@au.ibm.com>
4640
4641         * config/rs6000/linux-unwind.h (get_regs): Remove type
4642         puns. Change the type of `pc' to an array of unsigned ints and
4643         update all users.  Constify frame24.
4644
4645 2009-04-22  DJ Delorie  <dj@redhat.com>
4646
4647         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
4648         declarations before code.
4649         (current_function_special_page_vector): Likewise.
4650         (m32c_expand_insv): Silence a warning.
4651
4652 2009-04-21  Taras Glek  <tglek@mozilla.com>
4653
4654         * alias.c: Update GTY annotations to new syntax.
4655         * basic-block.h: Likewise.
4656         * bitmap.h: Likewise.
4657         * c-common.h: Likewise.
4658         * c-decl.c: Likewise.
4659         * c-parser.c: Likewise.
4660         * c-pragma.c: Likewise.
4661         * c-tree.h: Likewise.
4662         * cfgloop.h: Likewise.
4663         * cgraph.h: Likewise.
4664         * config/alpha/alpha.c: Likewise.
4665         * config/arm/arm.h: Likewise.
4666         * config/avr/avr.h: Likewise.
4667         * config/bfin/bfin.c: Likewise.
4668         * config/cris/cris.c: Likewise.
4669         * config/darwin.c: Likewise.
4670         * config/frv/frv.c: Likewise.
4671         * config/i386/i386.c: Likewise.
4672         * config/i386/i386.h: Likewise.
4673         * config/i386/winnt.c: Likewise.
4674         * config/ia64/ia64.h: Likewise.
4675         * config/iq2000/iq2000.c: Likewise.
4676         * config/mips/mips.c: Likewise.
4677         * config/mmix/mmix.h: Likewise.
4678         * config/pa/pa.c: Likewise.
4679         * config/pa/pa.h: Likewise.
4680         * config/rs6000/rs6000.c: Likewise.
4681         * config/s390/s390.c: Likewise.
4682         * config/sparc/sparc.c: Likewise.
4683         * config/xtensa/xtensa.c: Likewise.
4684         * cselib.h: Likewise.
4685         * dbxout.c: Likewise.
4686         * dwarf2out.c: Likewise.
4687         * except.c: Likewise.
4688         * except.h: Likewise.
4689         * fixed-value.h: Likewise.
4690         * function.c: Likewise.
4691         * function.h: Likewise.
4692         * gimple.h: Likewise.
4693         * integrate.c: Likewise.
4694         * optabs.c: Likewise.
4695         * output.h: Likewise.
4696         * real.h: Likewise.
4697         * rtl.h: Likewise.
4698         * stringpool.c: Likewise.
4699         * tree-data-ref.c: Likewise.
4700         * tree-flow.h: Likewise.
4701         * tree-scalar-evolution.c: Likewise.
4702         * tree-ssa-address.c: Likewise.
4703         * tree-ssa-alias.h: Likewise.
4704         * tree-ssa-operands.h: Likewise.
4705         * tree.c: Likewise.
4706         * tree.h: Likewise.
4707         * varasm.c: Likewise.
4708         * varray.h: Likewise.
4709         * vec.h: Likewise.
4710         * coretypes.h: Do not define GTY macro if it is already defined.
4711         * doc/gty.texi: Update GTY documentation to new syntax.
4712         * gengtype-lex.l: Enforce attribute-like syntax for GTY
4713         annotations on structs.
4714         * gengtype-parse.c: Likewise.
4715
4716 2009-04-22  Mark Heffernan  <meheff@google.com>
4717
4718         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
4719
4720 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
4721
4722         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
4723         where appropriate.
4724
4725 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
4726
4727         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
4728         the same as a PLUS without a shift.  Increase the cost of a
4729         CONST_INT in MULT.
4730
4731 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4732
4733         * Makefile.in: Update dependencies.
4734         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
4735         * errors.h: Remove bogus comment about compatibility.
4736         (warning): Update declaration.
4737         * genautomata.c: Update all calls to warning.
4738         * gimple.c: Do not include errors.h. Include toplev.h.
4739         * tree-ssa-structalias.c: Do not include errors.h.
4740         * omega.c: Likewise.
4741         * tree-ssa-reassoc.c: Likewise.
4742         * config/spu/spu-c.c: Likewise.
4743         * config/spu/t-spu-elf: Update dependencies.
4744
4745 2009-04-22  Richard Guenther  <rguenther@suse.de>
4746
4747         PR tree-optimization/39824
4748         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
4749         make sure the types are compatible.
4750
4751 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4752
4753         PR c++/14875
4754         * c-common.c (c_parse_error): Take a token_flags parameter.
4755         Use token_type for the token type instead.
4756         Pass token_flags to cpp_type2name.
4757         * c-common.h (c_parse_error): Update declaration.
4758         * c-parser.c (c_parser_error): Pass 0 as token flags.
4759
4760 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
4761
4762         PR rtl-optimization/39580
4763         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
4764         
4765 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4766
4767         * function.c (expand_function_end): Do not emit a jump to the "naked"
4768         return label for fall-through returns.
4769         * except.c (sjlj_emit_function_exit): Always place the call to the
4770         unregister function at the location installed by expand_function_end.
4771
4772 2009-04-22  Richard Guenther  <rguenther@suse.de>
4773
4774         PR tree-optimization/39845
4775         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
4776         (gen_inbound_check): Likewise.
4777
4778 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
4779
4780         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
4781         padding for PPC.
4782         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
4783         * config/vxlib.c (__gthread_once): Add race guard for PPC.
4784
4785 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4786
4787         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
4788         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
4789         shift counts to avoid out-of-bounds array accesses.
4790
4791 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4792
4793         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
4794         (Pmode): Move above.
4795
4796 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
4797
4798         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
4799         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
4800         GET_CODE macro.  Use IN_RANGE macro where appropriate.
4801         * config/alpha/alpha.h: Ditto.
4802         * config/alpha/alpha.md: Ditto.
4803         * config/alpha/constraints.md: Ditto.
4804         * config/alpha/predicates.md: Ditto.
4805         
4806 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4807
4808         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
4809         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4810         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4811         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4812         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4813         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4814         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4815         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4816         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4817         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4818         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4819         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4820         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4821         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4822         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4823         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4824         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4825         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4826         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4827         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4828         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4829         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4830         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4831         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4832         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4833         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4834         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4835
4836 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
4837
4838         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
4839         references from comments.
4840         * cfgbuild.c: (count_basic_blocks): Delete.
4841         (find_basic_blocks_1): Delete.
4842         (find_basic_blocks): Delete.
4843         * except.c (finish_eh_generation): Make static.  Move comment from
4844         except.h here.  Remove find_basic_blocks references from comments.
4845         * except.h (finish_eh_generation): Delete.
4846         * basic-block.h (find_basic_blocks): Delete.
4847         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
4848
4849 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
4850
4851         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
4852         (sdbout_parms):  Likewise.
4853
4854 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4855
4856         * config/sh/sh.c (prepare_cbranch_operands): Use
4857         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
4858         (expand_cbranchdi4): Likewise.
4859         (from_compare): Add cast to enum type.
4860         (expand_cbranchsi4): Use add_reg_note.
4861         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
4862         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
4863         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
4864         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4865         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
4866         instead of CODE_FOR_nothing.
4867         (cbranchdi4): Likewise.  Fix the order of arguments for
4868         gen_rtx_fmt_ee.
4869         (push_fpscr): Use add_reg_note.
4870         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
4871         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
4872         
4873 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
4874
4875         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
4876         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
4877         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
4878         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
4879         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
4880         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
4881         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
4882         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
4883         config/alpha/x-vms, config/arc/t-arc,
4884         config/arm/README-interworking, config/arm/arm-c.c,
4885         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
4886         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
4887         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
4888         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
4889         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
4890         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
4891         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
4892         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
4893         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
4894         config/cris/t-elfmulti, config/crx/t-crx,
4895         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
4896         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
4897         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
4898         config/h8300/t-h8300, config/i386/athlon.md,
4899         config/i386/darwin-libgcc.10.4.ver,
4900         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
4901         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
4902         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
4903         config/i386/t-linux64, config/i386/t-nwld,
4904         config/i386/t-rtems-i386, config/i386/t-sol2-10,
4905         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
4906         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
4907         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
4908         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
4909         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
4910         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
4911         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
4912         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
4913         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
4914         config/m68k/t-uclinux, config/mcore/t-mcore,
4915         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
4916         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
4917         config/mips/crtn.asm, config/mips/irix-crti.asm,
4918         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
4919         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
4920         config/mips/mips-fixed.md, config/mips/sb1.md,
4921         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
4922         config/mips/t-iris6, config/mips/t-isa3264,
4923         config/mips/t-libgcc-mips16, config/mips/t-linux64,
4924         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
4925         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
4926         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
4927         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
4928         config/mn10300/t-linux, config/mn10300/t-mn10300,
4929         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
4930         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
4931         config/picochip/libgccExtras/clzsi2.asm,
4932         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
4933         config/rs6000/darwin-libgcc.10.4.ver,
4934         config/rs6000/darwin-libgcc.10.5.ver,
4935         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
4936         config/rs6000/t-aix43, config/rs6000/t-aix52,
4937         config/rs6000/t-darwin, config/rs6000/t-fprules,
4938         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
4939         config/rs6000/t-lynx, config/rs6000/t-netbsd,
4940         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
4941         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
4942         config/rs6000/t-rtems, config/rs6000/t-spe,
4943         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
4944         config/score/t-score-elf, config/sh/divcost-analysis,
4945         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
4946         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
4947         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
4948         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
4949         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
4950         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
4951         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
4952         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
4953         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
4954         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
4955         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
4956         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
4957         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
4958         limitx.h, version.c, xcoff.h: Add copyright and license notices.
4959         * config/h8300/genmova.sh: Include copyright and license notices
4960         in generated output.
4961         * config/h8300/mova.md: Regenerate.
4962         * doc/install.texi2html: Include word "Copyright" in copyright
4963         notice and use name "Free Software Foundation, Inc.".
4964         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
4965         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
4966         ChangeLog-2007, ChangeLog-2008: Correct dates.
4967
4968 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
4969
4970         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
4971         NE_EXPR operations as well.
4972         * c-parser.c (c_parser_condition): Do not set location information on
4973         the condition.
4974         (c_parser_conditional_expression): Likewise.
4975         (c_parser_binary_expression): Set location information on operators.
4976         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
4977         TRUTH_NOT_EXPR has been folded.
4978         * fold-const.c (fold_truth_not_expr): Copy location information from
4979         the incoming expression to the outgoing one.
4980         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
4981         recursive calls on the LHS of the operator but pass that of the
4982         operator to recursive calls on the RHS of the operator.  Set it
4983         on the COND_EXPR.
4984         (shortcut_cond_expr): Set the locus of the operator on the second
4985         COND_EXPR and that of the expression on the first in degenerate cases.
4986         Pass the locus of the expression to calls to shortcut_cond_r.
4987         Set the locus of the 'then' block on the associated jump, if any.
4988         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
4989         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
4990         expression to call to gimplify_boolean_expr.
4991
4992 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
4993
4994         * config.gcc: Add additional configuration for
4995         i686-w64-mingw* and x86_64-w64-mingw* triplet.
4996         * config/i386/mingw-w64.h: New mingw-w64 specific header.
4997         (CPP_SPEC): Redefine for allowing -municode option.
4998         (STARTFILE_SPEC): Likewise.
4999         * config/i386/t-mingw-w64: New.
5000         * config/i386/mingw-w64.opt: New.
5001         (municode): Add new target option.
5002         * doc/invoke.texi (municode): Add documentation for new option.
5003
5004 2009-04-21  Ian Lance Taylor  <iant@google.com>
5005
5006         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5007         Correct test for number of arguments.
5008         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
5009
5010 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
5011
5012         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
5013         argument of emit_library_call.
5014
5015 2009-04-21  Richard Guenther  <rguenther@suse.de>
5016
5017         PR middle-end/39829
5018         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
5019         inside VIEW_CONVERT_EXPRs.
5020
5021 2009-04-21  Martin Jambor  <mjambor@suse.cz>
5022
5023         * tree-switch-conversion.c (build_constructors): Split a long line.
5024         (constructor_contains_same_values_p): New function.
5025         (build_one_array): Create assigns of constants if possible, do not
5026         call mark_sym_for_renaming, call update_stmt.
5027         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
5028         make_rename_temp.  Do not call mark_symbols_for_renaming, call
5029         update_stmt.
5030         (gen_def_assigns): Do not call mark_symbols_for_renaming or
5031         find_new_referenced_vars, call update_stmt.
5032         (gen_inbound_check): Use create_tmp_var and create ssa names manually
5033         instead of calling make_rename_temp.  Do not call
5034         find_new_referenced_vars or mark_symbols_for_renaming, call
5035         update_stmt.
5036
5037 2009-04-21  Richard Guenther  <rguenther@suse.de>
5038
5039         PR tree-optimization/39827
5040         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
5041         (tree_ssa_phiprop): Pass the correct array size.
5042
5043 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
5044
5045         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
5046
5047 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5048
5049         PR 16202
5050         * c-typeck.c (lvalue_p): Move declaration ...
5051         * c-common.h (lvalue_p): ... to here.
5052         * c-common.c (candidate_equal_p): New.
5053         (add_tlist): Use it.
5054         (merge_tlist): Use it.
5055         (warn_for_collisions_1): Likewise.
5056         (warning_candidate_p): Accept more candidates.
5057         (verify_tree): A warning candidate can be an expression. Use
5058         candidate_equal_p.
5059
5060 2009-04-21  Ben Elliston  <bje@au.ibm.com>
5061
5062         PR target/5267
5063         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
5064         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
5065         options.  Remove -mcall-solaris documentation.
5066
5067 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5068
5069         PR c++/13358
5070         * doc/invoke.texi (-Wlong-long): Update description.
5071         * c-lex (interpret_integer): Only warn if there was no previous
5072         overflow and -Wlong-long is enabled.
5073         * c-decl.c (declspecs_add_type): Drop redundant flags.
5074         * c.opt (Wlong-long): Init to -1.
5075         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
5076         and front-end warn_long_long. Wlong-long only depends on other
5077         flags if it is uninitialized.
5078         * c-parser.c (disable_extension_diagnostics): warn_long_long is
5079         the same for CPP and FE.
5080         (restore_extension_diagnostics): Likewise.
5081
5082 2009-04-20  Ian Lance Taylor  <iant@google.com>
5083
5084         Fix enum conversions which are invalid in C++:
5085         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
5086         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
5087         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
5088         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
5089         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
5090         (dbxout_parms): Likewise.
5091         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
5092         (df_clear_flags): Likewise.
5093         * df-problems.c (df_rd_bb_local_compute_process_def): Change
5094         top_flag parameter to int.
5095         (df_chain_create_bb_process_use): Likewise.
5096         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
5097         Remove cast.
5098         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
5099         (df_ref_create_structure, df_def_record_1): Likewise.
5100         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
5101         (df_notes_rescan): Change 0 to VOIDmode in function call.
5102         (df_get_call_refs, df_insn_refs_collect): Likewise.
5103         (df_bb_regs_collect): Likewise.
5104         (df_entry_block_defs_collect): Likewise.
5105         (df_exit_block_uses_collect): Likewise.
5106         * df.h: Update declarations.
5107         * double-int.c (double_int_divmod): Add cast to enum type.
5108         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
5109         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
5110         (based_loc_descr): Likewise.
5111         (loc_descriptor_from_tree_1): Change first_op and second_op to
5112         enum dwarf_location_atom.  Add cast to enum type.
5113         * expmed.c (init_expmed): Change 0 to SET in function call.
5114         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
5115         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
5116         (do_store_flag): Likewise.
5117         * fixed-value.h (struct fixed_value): Change mode to enum
5118         machine_mode.
5119         * function.c (assign_parms): Change 0 to VOIDmode in function call.
5120         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
5121         function call.
5122         (insert_insn_decl, insert_decl, insert_state): Likewise.
5123         (automata_list_finish): Likewise.
5124         * genrecog.c (process_define_predicate): Add cast to enum type.
5125         * gensupport.c (init_predicate_table): Add cast to enum type.
5126         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
5127         function call.
5128         (gimple_build_call_1, gimple_build_label): Likewise.
5129         (gimple_build_goto, gimple_build_asm_1): Likewise.
5130         (gimple_build_switch_1, gimple_build_cdt): Likewise.
5131         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
5132         (enum fallback): Rename from enum fallback_t.
5133         (fallback_t): Typedef as int.
5134         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
5135         GSI_SAME_STMT in function call.
5136         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
5137         enum type.
5138         (setup_reg_class_relations): Likewise.
5139         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
5140         (setup_prohibited_class_mode_regs): Add cast to enum type.
5141         (setup_prohibited_mode_move_regs): Likewise.
5142         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
5143         (record_address_regs): Change i to enum reg_class.
5144         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
5145         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
5146         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
5147         (GET_MODE_2XWIDER_MODE): Likewise.
5148         (GET_CLASS_NARROWEST_MODE): Likewise.
5149         * omp-low.c (expand_omp_for): Add cast to enum type.
5150         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
5151         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
5152         * postreload.c (reload_cse_simplify_operands): Change rclass local
5153         to enum reg_class.
5154         * predict.c (combine_predictions_for_insn): Change best_predictor
5155         and predictor to enum br_predictor.
5156         (combine_predictions_for_bb): Likewise.
5157         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
5158         use SET_PREDICT_EXPR_OUTCOME.
5159         * real.c (real_arithmetic): Change icode to code in function call.
5160         * reginfo.c (init_move_cost): Add casts to enum type.
5161         (init_reg_sets_1, init_fake_stack_mems): Likewise.
5162         * regmove.c (regclass_compatible_p): Change class0 and class1 to
5163         enum reg_class.
5164         * reload.c (find_valid_class): Add casts to enum type.
5165         (push_reload): Change 0 to NO_REGS in function call.
5166         (find_reloads): Change this_alternative to array of enum
5167         reg_class.  Remove some now-unnecessary casts.
5168         (make_memloc): Change 0 to VOIDmode in function call.
5169         * reload1.c (reload): Change 0 to VOIDmode in function call.
5170         (eliminate_regs_1, elimination_effects): Likewise.
5171         (eliminate_regs_in_insn): Likewise.
5172         (emit_input_reload_insns): Add cast to enum type.
5173         (delete_output_reload): Change 0 to VOIDmode in function call.
5174         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
5175         to enum type in function call.
5176         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
5177         (SET_PREDICT_EXPR_OUTCOME): Define.
5178         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
5179         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
5180         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
5181         (dump_function): Likewise.
5182         * tree-dump.h: Update declarations.
5183         * tree-pass.h: Update declarations.
5184         * varasm.c (assemble_integer): Change mclass to enum mode_class.
5185         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
5186         enum type.
5187         (arm_rtx_costs_1): Correct parenthesization.
5188         (arm_rtx_costs): Add casts to enum type.
5189         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
5190         (vfp_emit_fstmd): Use add_rg_note.
5191         (emit_multi_reg_push, emit_sfm): Likewise.
5192         (thumb_set_frame_pointer): Likewise.
5193         (arm_expand_prologue): Likewise.
5194         (arm_regno_class): Change return type to enum reg_class.
5195         (thumb1_expand_prologue): Use add_reg_note.
5196         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
5197         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
5198         in function call.
5199         * config/arm/gentune.sh: Add cast to enum type.
5200         * config/arm/arm-tune.md: Rebuild.
5201         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
5202         (ix86_split_fp_branch, predict_jump): Likewise.
5203         (ix86_expand_multi_arg_builtin): Change sub_code from enum
5204         insn_code to enum rtx_code.
5205         (ix86_builtin_vectorized_function): Add cast to enum type.
5206         * config/i386/i386.md (truncdfsf2): Change slot to enum
5207         ix86_stack_slot.
5208         (truncxf<mode>2, isinf<mode>2): Likewise.
5209         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
5210         enum type.
5211         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
5212         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
5213         (insert_bundle_state): Change 1 to INSERT in function call.
5214         (ia64_add_bundle_selector_before): Likewise.
5215         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
5216         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
5217         (restore_stack_nonlocal): Likewise.
5218         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
5219         function call.
5220         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
5221         function call.
5222         (mips_rtx_costs): Likewise.
5223         (mips_override_options): Add casts to enum type.
5224         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
5225         in function call.
5226         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
5227         (store_reg, set_reg_plus_d): Likewise.
5228         (hppa_expand_prologue, hppa_profile_hook): Likewise.
5229         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
5230         cast to enum type.
5231         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
5232         function call.
5233         (emit_unlikely_jump): Use add_reg_note.
5234         (rs6000_emit_allocate_stack): Likewise.
5235         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
5236         (output_toc): Change 1 to INSERT in function call.
5237         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
5238         (rs6000_initialize_trampoline): Likewise.
5239         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
5240         function call.
5241         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
5242         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
5243         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
5244         (save_gprs): Use add_reg_note.
5245         (s390_emit_prologue): Likewise.
5246         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
5247         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
5248         (sparc_fold_builtin): Add cast to enum type.
5249         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
5250         enum insn_code.
5251         (spu_expand_prologue): Use add_reg_note.
5252         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
5253
5254 2009-04-20  Ian Lance Taylor  <iant@google.com>
5255
5256         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
5257         (c_parser_postfix_expression_after_primary): Get VEC for list of
5258         arguments.  Get original types of arguments.  Call
5259         build_function_call_vec.
5260         (cached_expr_list_1, cached_expr_list_2): New static variables.
5261         (c_parser_expr_list): Change return type to VEC *.  Add
5262         p_orig_types parameter.  Change all callers.
5263         (c_parser_release_expr): New static function.
5264         (c_parser_vec_to_tree_list): New static function.
5265         * c-typeck.c (build_function_call): Rewrite to build a VEC and
5266         call build_function_call_vec.
5267         (build_function_call_vec): New function, based on old
5268         build_function_call.
5269         (convert_arguments): Remove nargs and argarray parameters.  Change
5270         values to a VEC.  Add origtypes parameter.
5271         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
5272         (convert_for_assignment): Add origtype parameter.  Change all
5273         callers.  If warn_cxx_compat, check for conversion to an enum
5274         type when calling a function.
5275         (store_init_value): Add origtype parameter.  Change all callers.
5276         (digest_init): Likewise.
5277         (struct init_node): Add origtype field.
5278         (add_pending_init): Add origtype parameter.  Change all callers.
5279         (output_init_element): Likewise.
5280         (output_pending_init_elements): Pass origtype from init_node to
5281         output_init_element.
5282         (process_init_element): Pass origtype from c_expr to
5283         output_init_element.
5284         (c_finish_return): Add origtype parameter.  Change all callers.
5285         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
5286         caller.
5287         (sync_resolve_params): Likewise.
5288         (sync_resolve_return): Change params to first_param.  Change caller.
5289         (resolve_overloaded_builtins): Change params to VEC *.  Change
5290         callers.  Save first parameter around call to build_function_call_vec.
5291         * c-decl.c (finish_decl): Add origtype parameter.  Change all
5292         callers.  Call build_function_call_vec rather than
5293         build_function_call for cleanup.
5294         * c-tree.h: Update declarations.
5295         * c-common.h: Update declarations.
5296         * stub-objc.c (objc_rewrite_function_call): Change parameter from
5297         params to first_param.
5298         * target.h (struct gcc_target): Change resolve_overloaded_builtin
5299         params parameter from tree to void *.
5300         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5301         Change arglist parameter to have type void *, and to be a pointer
5302         to a VEC.
5303         * config/rs6000/rs6000-protos.h
5304         (altivec_resolve_overloaded_builtin): Update declaration.
5305         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
5306         fnargs parameter to have type void *, and to be a pointer to a
5307         VEC.  Call build_function_call_vec instead of
5308         build_function_call.
5309         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
5310
5311 2009-04-20  Joey Ye  <joey.ye@intel.com>
5312             Xuepeng Guo  <xuepeng.guo@intel.com>
5313             H.J. Lu  <hongjiu.lu@intel.com>
5314
5315         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
5316
5317         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
5318         (IX86_LEA_PRIORITY): Likewise.
5319         (distance_non_agu_define): New function.
5320         (distance_agu_use): Likewise.
5321         (ix86_lea_for_add_ok): Likewise.
5322         (ix86_dep_by_shift_count): Likewise.
5323
5324         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
5325         should split for LEA.
5326
5327         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
5328         function.
5329         (ix86_dep_by_shift_count): Likewise.
5330
5331 2009-04-20  Richard Guenther  <rguenther@suse.de>
5332
5333         * expr.c (handled_component_p): Move ...
5334         * tree.h (handled_component_p): ... here.
5335         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
5336         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
5337         and REALPART_EXPR to be in one group.
5338
5339 2009-04-20  Richard Guenther  <rguenther@suse.de>
5340
5341         * basic-block.h (get_all_dominated_blocks): Declare.
5342         * dominance.c (get_all_dominated_blocks): New function.
5343         * tree-cfg.c (get_all_dominated_blocks): Remove.
5344         (remove_edge_and_dominated_blocks): Adjust.
5345         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
5346         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
5347         instead of recursing.
5348
5349 2009-04-20  Doug Kwan  <dougkwan@google.com>
5350
5351         * cgraph.h (cgraph_node_ptr): New type for vector functions.
5352         (struct cgraph_node_set_def): New type.
5353         (cgraph_node_set) New type. Also declare vector functions.
5354         (struct cgraph_node_set_element_def): New type.
5355         (cgraph_node_set_element): Ditto.
5356         (cgraph_node_set_iterator): New iterator type.
5357         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
5358         cgraph_node_set_remove, dump_cgraph_node_set,
5359         debug_cgraph_node_set): New prototypes.
5360         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
5361         cgraph_node_set_size): New inlines.
5362         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
5363         including cgraph.h.
5364         (struct ipa_opt_pass): Add struct cgraph_node_set_def
5365         argument to function 'write_summary'.
5366         * ipa.c: Include ggc.h.
5367         (hash_cgraph_node_set_element,
5368         eq_cgraph_node_set_element, cgraph_node_set_new,
5369         cgraph_node_set_add, cgraph_node_set_remove,
5370         cgraph_node_set_find, dump_cgraph_node_set,
5371         debug_cgraph_node_set): New functions.
5372         * Makefile.in (ipa.o): Add dependency on GGC_H.
5373
5374 2009-04-20  Ira Rosen  <irar@il.ibm.com>
5375
5376         PR tree-optimization/39675
5377         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
5378         check of the return code of vect_schedule_slp. Check that
5379         stmt_vec_info still exists for the statement, before checking its
5380         vectorization type.
5381
5382 2009-04-20  Michael Matz  <matz@suse.de>
5383
5384         * Makefile.in (generated_files): Take out $(simple_generated_c).
5385
5386 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
5387
5388         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
5389         (UINTPTR_TYPE):  Likewise.
5390
5391 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
5392
5393         PR c/37481
5394         * c-typeck.c (digest_init): Check for initializing an array with a
5395         string literal.
5396
5397 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
5398
5399         PR c/19771
5400         * c-semantics.c (pop_stmt_list): Propagate
5401         STATEMENT_LIST_HAS_LABEL to parent statement list.
5402
5403 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
5404
5405         * config/mips/mips.h (mips_tune_attr): New macro.
5406         * config/mips/mips.md (cpu): Use it.
5407
5408 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
5409
5410         PR c/38243
5411         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
5412         declaring a tag.
5413
5414 2009-04-19  Diego Novillo  <dnovillo@google.com>
5415
5416         * toplev.c (compile_file): Move call to coverage_finish ...
5417         * cgraphunit.c (ipa_passes): ... here.
5418         Call cgraph_process_new_functions.
5419         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
5420         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
5421
5422 2009-04-19  Jan Hubicka  <jh@suse.cz>
5423
5424         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
5425         cfun.
5426         (dump_cgraph_node): Dump can throw external flag.
5427         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
5428
5429 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5430
5431         PR c/32061
5432         PR c++/36954
5433         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
5434         * common.opt (Wlogical-op): Move from here...
5435         * c.opt (Wlogical-op): ... to here.
5436         * c-typeck.c (parser_build_binary_op): Update call to
5437         warn_logical_operator.
5438         * c-opts.c (c_common_post_options): Enable warn_logical_op with
5439         extra_warnings.
5440         * c-common.c (warn_logical_op): Update.
5441         * c-common.h (warn_logical_op): Update declaration.
5442
5443 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
5444
5445         * tree.c (protected_set_expr_location): Fix formatting.
5446
5447 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
5448
5449         PR c/27676
5450         * c-typeck.c (readonly_warning): new.
5451         (build_unary_op, build_modify_expr): Use readonly_warning for
5452         storing into something readonly but not const-qualified.
5453
5454 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
5455
5456         PR c/22367
5457         * c-typeck.c (build_unary_op): Check for taking address of
5458         expression of type void.
5459
5460 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
5461
5462         PR c/35210
5463         * c-typeck.c (build_function_call): Check for calling a function
5464         with qualified void return types.  Call require_complete_type when
5465         generating a trap.
5466
5467 2009-04-18  Jan Hubicka  <jh@suse.cz>
5468
5469         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
5470         Set nothrow flag.
5471         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
5472         can_throw_external flag.
5473         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
5474         * ipa-pure-const.c (ignore_edge): New function.
5475         (propagate): Compute order for NOTHROW computation; set NOTHROWs
5476         only over can_throw_external edges.
5477         (local_pure_const): Add nothrow flag.
5478         * ipa-utils.c (searchc): Add ignore_edge callback.
5479         (ipa_utils_reduced_inorder): Add ignore_edge callback.
5480         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
5481         (set_nothrow_function_flags): Update cgraph.
5482         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
5483
5484 2009-04-18  Richard Guenther  <rguenther@suse.de>
5485
5486         PR middle-end/39804
5487         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
5488         (fold_stmt): ... this and ...
5489         (fold_stmt_inplace): ... this.
5490         (fold_stmt_1): Fold references in calls and asms.
5491         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
5492
5493 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5494
5495         * tree-vrp.c (ssa_name_nonzero_p): Remove.
5496         * tree.h: Remove the prototype for ssa_name_nonzero_p.
5497
5498 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5499
5500         * tree.c (function_args_count): Remove.
5501         * tree.h: Remove the prototype for function_args_count.
5502
5503 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5504
5505         * tree-iterator.c (expr_only): Remove.
5506         * tree.h: Remove the prototype for expr_only.
5507
5508 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5509
5510         * reginfo.c (cannot_change_mode_set_regs): Remove.
5511         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
5512
5513 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
5514
5515         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
5516         whether operands 0 and 1 overlaps.
5517
5518 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5519
5520         PR middle-end/36902
5521         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
5522         pointer. Use warning_at instead of warning.
5523         (search_for_addr_array): Likewise.
5524         (check_array_bounds): Likewise.
5525         (check_all_array_refs): Check that the incoming edge is not in the
5526         list of edges to be removed.
5527         (check_all_array_refs): Avoid the temporal pointer.
5528         (vrp_visit_cond_stmt): Fix typo.
5529         (simplify_switch_using_ranges): Handle the case where the switch
5530         index is an integer constant.
5531
5532 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
5533
5534         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
5535
5536 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5537
5538         * doc/extend.texi, doc/invoke.texi: Fix typos.
5539
5540 2009-04-17  Cary Coutant  <ccoutant@google.com>
5541
5542         * tree-flow-inline.h (get_lineno): Fix inverted test.
5543
5544 2009-04-17  Diego Novillo  <dnovillo@google.com>
5545
5546         * tree-ssa-pre.c (create_expression_by_pieces): Remove
5547         assertion for AVAIL_OUT.
5548
5549 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
5550
5551         PR target/38627
5552         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
5553         * config/sh/linux-atomic.asm: Likewise.
5554
5555 2009-04-17  Diego Novillo  <dnovillo@google.com>
5556
5557         * except.c (debug_eh_tree): New.
5558         (struct eh_region, struct eh_status): Move ...
5559         * except.h: ... here.
5560         (add_type_for_runtime): Declare extern.
5561         (lookup_type_for_runtime): Likewise.
5562         (debug_eh_tree): Declare.
5563         * Makefile.in (GTFILES): List except.h before except.c
5564
5565 2009-04-17  Diego Novillo  <dnovillo@google.com>
5566
5567         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
5568         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
5569         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
5570         (find_vars_r): ... here.
5571         * tree-flow.h (find_referenced_vars_in): Declare.
5572         * tree-ssa-pre.c (create_expression_by_pieces): Assert
5573         that AVAIL_OUT exists for BLOCK.
5574         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
5575         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
5576         (tree-parloops.o): Likewise.
5577
5578 2009-04-17  Simon Baldwin  <simonb@google.com>
5579
5580         * toplev.c (default_tree_printer): Add handling for %E format.
5581
5582 2009-04-17  Diego Novillo  <dnovillo@google.com>
5583
5584         * tree-pretty-print.c (dump_generic_node): Add break after
5585         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
5586         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
5587         FUNCTION_TYPE together.  Call print_struct_decl when printing
5588         structures and TDF_SLIM is not given.
5589         (print_struct_decl): Fix logic for detecting recursion.
5590
5591 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
5592
5593         PR 31567
5594         * gcc.c (create_at_file): New.
5595         (compile_input_file_p): New.
5596         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
5597         * main.c (main): Update call to toplev_main.
5598         * toplev.c (toplev_main): Change signature. Call expandargv.
5599         * toplev.h (toplev_main): Change signature.
5600
5601 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
5602
5603         * dwarf2out.c (field_byte_offset): Use the type size as the field size
5604         if the latter is not constant.
5605
5606 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
5607
5608         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
5609
5610 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
5611
5612         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
5613         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
5614
5615 2009-04-17  Richard Guenther  <rguenther@suse.de>
5616
5617         * tree-ssa-structalias.c (get_constraint_for_component_ref):
5618         Handle component references view-converting an invariant address.
5619
5620 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
5621
5622         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
5623         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
5624         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
5625         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
5626         Use @deftypevr rather than @deftypevar.
5627
5628 2009-04-17  Richard Guenther  <rguenther@suse.de>
5629
5630         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
5631         (get_prop_source_stmt): Likewise.
5632         (can_propagate_from): Likewise.
5633
5634 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
5635
5636         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
5637         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
5638         (--with-multilib-list): Add default value.
5639         * configure: Regenerate.
5640         * Makefile.in (TM_ENDIAN_CONFIG): Define.
5641         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
5642         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
5643         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
5644         Don't add default cpu to multilib list unnecessarily, but do enable
5645         the relevant compiler option..
5646         Add support for --with-multilib-list=<blank> and
5647         --with-multilib-list=!<somelib> to supress unwanted multilibs.
5648         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
5649         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
5650         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
5651         TM_MULTILIB_CONFIG.
5652         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
5653         (MULTILIB_OSDIRNAMES): New variable.
5654         * config/sh/t-1e: Delete file.
5655         * config/sh/t-mlib-sh1: Delete file.
5656         * config/sh/t-mlib-sh2: Delete file.
5657         * config/sh/t-mlib-sh2a: Delete file.
5658         * config/sh/t-mlib-sh2a-nofpu: Delete file.
5659         * config/sh/t-mlib-sh2a-single: Delete file.
5660         * config/sh/t-mlib-sh2a-single-only: Delete file.
5661         * config/sh/t-mlib-sh2e: Delete file.
5662         * config/sh/t-mlib-sh3e: Delete file.
5663         * config/sh/t-mlib-sh4: Delete file.
5664         * config/sh/t-mlib-sh4-nofpu: Delete file.
5665         * config/sh/t-mlib-sh4-single: Delete file.
5666         * config/sh/t-mlib-sh4-single-only: Delete file.
5667         * config/sh/t-mlib-sh4a: Delete file.
5668         * config/sh/t-mlib-sh4a-nofpu: Delete file.
5669         * config/sh/t-mlib-sh4a-single: Delete file.
5670         * config/sh/t-mlib-sh4a-single-only: Delete file.
5671         * config/sh/t-mlib-sh4al: Delete file.
5672         * config/sh/t-mlib-sh5-32media: Delete file.
5673         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
5674         * config/sh/t-mlib-sh5-64media: Delete file.
5675         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
5676         * config/sh/t-mlib-sh5-compact: Delete file.
5677         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
5678         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
5679         * doc/install.texi (Options specification): Add
5680         --with-multilib-list and --with-endian.
5681
5682 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
5683
5684         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
5685         REVISION_c.
5686         (OBJS-common): Add plugin-version.o.
5687         (plugin-version.o): New.
5688         * gcc-plugin.h (plugin_gcc_version): New.
5689         (plugin_default_version_check): New.
5690         (plugin_init_func, plugin_init): Add version argument.
5691         * plugin-version.c: New.
5692         * plugin.c (str_plugin_gcc_version_name): New.
5693         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
5694         pass it to the init function.
5695         (plugin_default_version_check): New.
5696
5697 2009-04-17  Richard Guenther  <rguenther@suse.de>
5698
5699         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
5700         for decl-vs-decl disambiguation.
5701
5702 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
5703
5704         * config/s390/s390.h (s390_tune_attr): New macro definition.
5705         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
5706
5707 2009-04-17  Richard Guenther  <rguenther@suse.de>
5708
5709         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
5710         (fold_stmt_r): Likewise.
5711         (maybe_fold_reference): New function.
5712         (fold_gimple_assign): Handle cases fold_stmt_r did.
5713         (fold_stmt): Do not use fold_stmt_r.
5714         (fold_stmt_inplace): Likewise.
5715
5716 2009-04-17  Richard Guenther  <rguenther@suse.de>
5717
5718         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
5719         (record_equivalences_from_stmt): Remove useless checks and
5720         simplifications.
5721         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
5722         the type is already suitable.
5723
5724 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
5725
5726         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
5727
5728 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
5729
5730         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
5731         (CMPtype): Define as __gcc_CMPtype.
5732
5733 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
5734
5735         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
5736         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
5737
5738 2009-04-17  Richard Guenther  <rguenther@suse.de>
5739
5740         PR tree-optimization/39746
5741         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
5742         special-casing for builtins and static variable use/def.
5743         (call_may_clobber_ref_p_1): Likewise.
5744
5745 2009-04-16  Ian Lance Taylor  <iant@google.com>
5746
5747         * df.h: Include "timevar.h".
5748         (struct df_problem): Change tv_id field to timevar_id_t.
5749         * tree-pass.h: Include "timevar.h".
5750         (struct opt_pass): Change tv_id field to timevar_id_t.
5751         * timevar.h (timevar_id_t): Define TV_NONE.
5752         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
5753         TV_NONE rather than tv_id != 0.
5754         (execute_one_pass): Likewise.
5755         * Makefile.in (DF_H): Add $(TIMEVAR_H).
5756         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
5757         dependencies to $(TREE_PASS_H).
5758         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
5759         to TV_NONE.
5760         (pass_branch_target_load_optimize2): Likewise.
5761         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
5762         (pass_outof_cfg_layout_mode): Likewise.
5763         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
5764         (pass_rebuild_cgraph_edges): Likewise.
5765         (pass_remove_cgraph_callee_edges): Likewise.
5766         * df-core.c (pass_df_initialize_opt): Likewise.
5767         (pass_df_initialize_no_opt): Likewise.
5768         (pass_df_finish): Likewise.
5769         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
5770         * except.c (pass_set_nothrow_function_flags): Likewise.
5771         (pass_convert_to_eh_region_ranges): Likewise.
5772         * final.c (pass_compute_alignments): Likewise.
5773         * function.c (pass_instantiate_virtual_regs): Likewise.
5774         (pass_init_function): Likewise.
5775         (pass_leaf_regs): Likewise.
5776         (pass_match_asm_constraints): Likewise.
5777         * gimple-low.c (pass_lower_cf): Likewise.
5778         (pass_mark_used_blocks): Likewise.
5779         * init-regs.c (pass_initialize_regs): Likewise.
5780         * integrate.c (pass_initial_value_sets): Likewise.
5781         * ira.c (pass_ira): Likewise.
5782         * jump.c (pass_cleanup_barriers): Likewise.
5783         * omp-low.c (pass_expand_omp): Likewise.
5784         (pass_lower_omp): Likewise.
5785         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
5786         * recog.c (pass_split_all_insns): Likewise.
5787         (pass_split_after_reload): Likewise.
5788         (pass_split_before_regstack): Likewise.
5789         (pass_split_before_sched2): Likewise.
5790         (pass_split_for_shorten_branches): Likewise.
5791         * reginfo.c (pass_reginfo_init): Likewise.
5792         (pass_subregs_of_mode_init): Likewise.
5793         (pass_subregs_of_mode_finish): Likewise.
5794         * passes.c (pass_postreload): Likewise.
5795         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
5796         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
5797         (pass_warn_function_return): Likewise.
5798         (pass_warn_function_noreturn): Likewise.
5799         * tree-complex.c (pass_lower_complex): Likewise.
5800         (pass_lower_complex_O0): Likewise.
5801         * tree-if-conv.c (pass_if_conversion): Likewise.
5802         * tree-into-ssa.c (pass_build_ssa): Likewise.
5803         * tree-mudflap.c (pass_mudflap_1): Likewise.
5804         (pass_mudflap_2): Likewise.
5805         * tree-nomudflap.c (pass_mudflap_1): Likewise.
5806         (pass_mudflap_2): Likewise.
5807         * tree-nrv.c (pass_return_slot): Likewise.
5808         * tree-object-size.c (pass_object_sizes): Likewise.
5809         * tree-optimize.c (pass_all_optimizations): Likewise.
5810         (pass_early_local_passes): Likewise.
5811         (pass_all_early_optimizations): Likewise.
5812         (pass_cleanup_cfg): Likewise.
5813         (pass_cleanup_cfg_post_optimizing): Likewise.
5814         (pass_free_datastructures): Likewise.
5815         (pass_free_cfg_annotations): Likewise.
5816         (pass_fixup_cfg): Likewise.
5817         (pass_init_datastructures): Likewise.
5818         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
5819         (pass_late_warn_uninitialized): Likewise.
5820         (pass_update_address_taken): Likewise.
5821         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
5822         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
5823         (pass_cse_sincos): Likewise.
5824         (pass_convert_to_rsqrt): Likewise.
5825         * tree-ssa-structalias.c (pass_build_alias): Likewise.
5826         * tree-stdarg.c (pass_stdarg): Likewise.
5827         * tree-tailcall.c (pass_tail_recursion): Likewise.
5828         (pass_tail_calls): Likewise.
5829         * tree-vect-generic.c (pass_lower_vector): Likewise.
5830         (pass_lower_vector_ssa): Likewise.
5831         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
5832
5833 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
5834
5835         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
5836         XLR entry.
5837         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
5838         Handle -march=xlr.
5839         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
5840         logical and signext.
5841
5842 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
5843
5844         PR target/39767
5845         * config/sh/predicates.md (arith_operand): Check if the operand
5846         of TRUNCATE is a REG.
5847
5848 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5849
5850         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
5851         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
5852
5853 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5854
5855         * tree-iterator.c (tsi_split_statement_list_after,
5856         tsi_split_statement_list_before): Remove.
5857         * tree-iterator.h: Remove the prototypes for
5858         tsi_split_statement_list_after and tsi_split_statement_list_before.
5859
5860 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5861
5862         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
5863         * tree-ssa-propagate.h: Remove the prototype for
5864         stmt_makes_single_load.
5865
5866 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5867
5868         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
5869         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
5870
5871 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5872
5873         * tree-iterator.c (EXPR_LAST_BODY): Remove.
5874
5875 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5876
5877         * except.c (eh_region_outer_p): Remove.
5878         * except.h: Remove the prototype for eh_region_outer_p.
5879
5880 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5881
5882         * function.c (current_function_assembler_name): Remove.
5883         * function.h: Remove the prototype for
5884         current_function_assembler_name.
5885
5886 2009-04-16  Ian Lance Taylor  <iant@google.com>
5887
5888         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
5889         (add_reg_note): Call alloc_reg_note.
5890         * rtl.h (alloc_reg_note): Declare.
5891         * combine.c (try_combine): Use alloc_reg_note.
5892         (recog_for_combine, move_deaths): Likewise.
5893         (distribute_notes): Use alloc_reg_note and add_reg_note.
5894         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
5895         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
5896         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
5897
5898 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
5899
5900         PR rtl-optimization/39762
5901         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
5902         ira_may_move_out_cost): Add comments about way of their usage.
5903         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
5904
5905         * ira-conflicts.c (process_regs_for_copy): Use function
5906         ira_get_register_move_cost instead of global
5907         ira_register_move_cost.
5908
5909         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
5910         color_pass, move_spill_restore, update_curr_costs): Ditto.
5911
5912         * ira-lives.c (process_single_reg_class_operands): Ditto.
5913
5914         * ira-emit.c (emit_move_list): Ditto.
5915
5916         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
5917         (record_reg_classes): Ditto.  Use functions
5918         ira_get_register_move_cost and ira_get_may_move_cost instead of
5919         global vars ira_register_move_cost, ira_may_move_out_cost and
5920         ira_may_move_in_cost.
5921         (record_address_regs): Don't call ira_init_register_move_cost.
5922         Use function ira_get_may_move_cost instead of global
5923         ira_may_move_in_cost.
5924         (process_bb_node_for_hard_reg_moves): Use function
5925         ira_get_register_move_cost instead of global ira_register_move_cost.
5926         (ira_costs): Don't call ira_init_register_move_cost.
5927
5928 2009-04-16  Richard Guenther  <rguenther@suse.de>
5929
5930         * tree-cfg.c (verify_gimple_assign_binary):
5931         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
5932         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
5933         (create_general_new_stmt): Note that this function is broken.
5934
5935 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5936
5937         * common.opt (fhelp): Add Var(help_flag).
5938         * gcc-plugin.h (plugin_info): Add help.
5939         * plugin.c (plugin_name_args): Add help.
5940         (register_plugin_info): Set plugin->help.
5941         (print_help_one_plugin): New.
5942         (print_plugins_help): New.
5943         * plugin.h (print_plugins_help): New.
5944         * toplev.c (toplev_main): Call print_plugins_help if needed.
5945
5946 2009-04-16  Richard Guenther  <rguenther@suse.de>
5947
5948         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
5949         (gimple_ior_addresses_taken_1): New function.
5950         (gimple_ior_addresses_taken): Likewise.
5951         * gimple.h (struct gimple_statement_with_ops_base): Remove
5952         addresses_taken member.
5953         (gimple_ior_addresses_taken): Declare.
5954         (gimple_addresses_taken, gimple_addresses_taken_ptr,
5955         gimple_set_addresses_taken): Remove.
5956         * ipa-reference.c (mark_address): New function.
5957         (scan_stmt_for_static_refs): Use it for marking addresses taken.
5958         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
5959         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
5960         (gimple_add_to_addresses_taken): Remove.
5961         (get_tmr_operands): Call mark_address_taken.
5962         (get_asm_expr_operands): Likewise.
5963         (get_expr_operands): Likewise.
5964         (build_ssa_operands): Do not clear the addresses_taken bitmap.
5965         (free_stmt_operands): Do not free it.
5966         * tree-ssa.c (delete_tree_ssa): Likewise.
5967         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
5968
5969 2009-04-16  Richard Guenther  <rguenther@suse.de>
5970
5971         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
5972         (walk_stmt_load_store_ops): Likewise.
5973         * gimple.c (get_base_loadstore): New function.
5974         (walk_stmt_load_store_addr_ops): Likewise.
5975         (walk_stmt_load_store_ops): Likewise.
5976         * ipa-pure-const.c (check_op): Simplify.
5977         (check_load, check_store): New functions.
5978         (check_stmt): Use walk_stmt_load_store_ops.
5979         * ipa-reference.c (mark_load): Adjust signature.
5980         (mark_store): Likewise.
5981         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
5982
5983 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5984
5985         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
5986         (plugin_info): New.
5987         * opts.c (common_handle_option): Don't call print_version.
5988         * plugin.c (plugin_name_args): Add version.
5989         (register_plugin_info): New.
5990         (register_callback): Handle PLUGIN_INFO.
5991         (try_init_one_plugin): New.
5992         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
5993         if failed to init.
5994         (finalize_one_plugin): New.
5995         (finalize_plugins): New.
5996         (print_one_plugin): New.
5997         (print_plugins_versions): New.
5998         * plugin.h (print_plugins_versions): New.
5999         (finalize_plugins): New.
6000         * toplev.c (compile_file): Don't call initialize_plugins.
6001         (print_version): Call print_plugins_versions.
6002         (toplev_main): Call initialize_plugins. Print version if needed.
6003         Call finalize_plugins.
6004
6005 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
6006
6007         * common.opt (fversion): New.
6008         * gcc.c (print_version): New.
6009         (process_command): Don't print the version. Just set print_version.
6010         (main): Print version. Call subprocesses if print_version and
6011         verbose_flag are set.
6012         * opts.c (common_handle_option): Handle OPT_fversion.
6013
6014 2009-04-16  Richard Guenther  <rguenther@suse.de>
6015             Ira Rosen  <irar@il.ibm.com>
6016
6017         PR tree-optimization/39698
6018         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
6019         type of the reduction variable.  Only generate the def if
6020         it is needed.
6021
6022         * omp-low.c (expand_omp_for_generic): When converting to a pointer
6023         make sure to first convert to an integer of the same precision.
6024         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
6025         the type of the evolution correctly in computing the new
6026         induction variable base.
6027
6028 2009-04-16  Richard Guenther  <rguenther@suse.de>
6029
6030         PR middle-end/39625
6031         * tree-cfg.c (make_blocks): Split statements with to-be
6032         abnormal SSA names on the lhs.
6033
6034 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
6035
6036         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
6037         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
6038         * c-typeck.c (really_start_incremental_init): Likewise.
6039         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
6040         (TARGET_INITIALIZER): Remove it.
6041         * target.h (struct target): Remove vector_opaque_p.
6042         * tree.c (build_opaque_vector_type): New.
6043         * tree.h (TYPE_VECTOR_OPAQUE): New.
6044         (build_opaque_vector_type): Declare.
6045         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
6046         * config/rs6000/rs6000.c (build_opaque_vector_type,
6047         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
6048         (rs6000_init_builtins): Use build_opaque_vector_type for
6049         opaque_V4SI_type_node.
6050
6051 2009-04-15  Catherine Moore  <clm@codesourcery.com>
6052
6053         * debug.h (set_name):  Declare.
6054         * dwarf2out.c (dwarf2out_set_name): Declare.
6055         (dwarf2_debug_hooks): Add set_name.
6056         (find_AT_string): New.
6057         (add_AT_string): Call find_AT_string.
6058         (dwarf2out_set_name): New.
6059         * cp/decl.c (grokdeclarator): Call set_name.
6060         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
6061         * debug.c (do_nothing_debug_hooks):  Likewise.
6062         * dbxout.c (dbx_debug_hooks): Likewise.
6063         * sdbout.c (sdb_debug_hooks): Likewise.
6064
6065 2009-04-15  Michael Eager  <eager@eagercon.com>
6066
6067         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
6068         reg for single-precision FPU.
6069         * config/rs6000/rs6000.md (movsi_internal1): Only for
6070         !TARGET_SINGLE_FPU.
6071         (movsi_internal1_single): New. Add pattern to move SI values to/from
6072         single-precision FP regs.
6073
6074 2009-04-15  Richard Guenther  <rguenther@suse.de>
6075
6076         * omp-low.c (lower_rec_input_clauses): Build correct address
6077         expressions.
6078         (expand_omp_for_generic): Fix multiplication type.
6079         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
6080         (generate_memset_zero): Fix types.
6081         * tree-profile.c (prepare_instrumented_value): Correctly
6082         widen a pointer.
6083
6084 2009-04-15  Ian Lance Taylor  <iant@google.com>
6085
6086         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
6087         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
6088         for -Wall and for -Wc++-compat.
6089         (c_common_post_options): For C++, set warn_enum_compare if not
6090         already set.
6091         * c-tree.h (struct c_expr): Add field original_type.
6092         (build_external_ref): Update declaration.
6093         * c-parser.c (c_parser_braced_init): Set original_type.
6094         (c_parser_initelt): Likewise.
6095         (c_parser_expr_no_commas): Likewise.
6096         (c_parser_conditional_expression): Likewise.
6097         (c_parser_cast_expression): Likewise.
6098         (c_parser_unary_expression): Likewise.  Pull setting of
6099         original_code to top of function.
6100         (c_parser_sizeof_expression): Set original_type.
6101         (c_parser_alignof_expression): Likewise.
6102         (c_parser_postfix_expression): Likewise.  Pull setting of
6103         original_code to top of function.
6104         (c_parser_postfix_expression_after_paren_type): Set original_type.
6105         (c_parser_postfix_expression_after_primary): Likewise.
6106         (c_parser_expression): Likewise.
6107         * c-typeck.c (build_external_ref): Add type parameter.  Change all
6108         callers.
6109         (c_expr_sizeof_expr): Set original_type field.
6110         (parser_build_unary_op): Likewise.
6111         (parser_build_binary_op): Likewise.  Optionally warn about
6112         comparisons of enums of different types.
6113         (digest_init): Set original_type field.
6114         (really_start_incremental_init): Likewise.
6115         (push_init_level, pop_init_level): Likewise.
6116         * doc/invoke.texi (Warning Options): -Wenum-compare now
6117         supported in C.
6118
6119 2009-04-15  Richard Guenther  <rguenther@suse.de>
6120
6121         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
6122         out a necessary conversion.
6123         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
6124         names we didn't value number.
6125         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
6126
6127 2009-04-15  Richard Guenther  <rguenther@suse.de>
6128
6129         PR tree-optimization/39764
6130         * tree-ssa-ccp.c (get_value): Canonicalize value with
6131         canonicalize_float_value.
6132
6133 2009-04-15  Jan Hubicka  <jh@suse.cz>
6134
6135         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
6136         Wrong version of patch.
6137
6138 2009-04-15  Jan Hubicka  <jh@suse.cz>
6139
6140         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
6141
6142 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
6143
6144         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
6145         our distinct integral and vector types.
6146
6147 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
6148
6149         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
6150         * init.c (build_vtbl_address): Remove call to assemble_external.
6151
6152 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
6153
6154         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
6155         output for other floating point modes.
6156
6157 2009-04-14  Diego Novillo  <dnovillo@google.com>
6158
6159         * diagnostic.c (diagnostic_report_diagnostic): Do not
6160         warn about loaded plugins for DK_ERROR and DK_WARNING.
6161         * c-decl.c (declspecs_add_type): Move call to
6162         invoke_plugin_callbacks ...
6163         * c-parser.c (c_parser_declspecs): ... here.
6164         * plugin.c (dump_active_plugins): Tidy output.
6165
6166 2009-04-14  Diego Novillo  <dnovillo@google.com>
6167             Le-Chun Wu  <lcwu@google.com>
6168
6169         * configure.ac: Add --enable-plugin support.
6170         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
6171         * Makefile.in (PLUGIN_H): Define.
6172         Export ENABLE_PLUGIN and GMPINC to site.exp.
6173         Add PLUGINLIBS to link command.
6174         Add/modify dependencies for plugin.o and files including plugin.h.
6175         (plugin.o): New.
6176         * config.in: Regenerate.
6177
6178         * opts.c (common_handle_option): Handle OPT_fplugin_ and
6179         OPT_fplugin_arg_.
6180
6181 2009-04-14  Le-Chun Wu  <lcwu@google.com>
6182
6183         * tree-pass.h (register_one_dump_file): Add a prototype for
6184         register_one_dump_file.
6185         * toplev.c (compile_file): Call initialize_plugins.
6186         (do_compile): Call invoke_plugin_callbacks.
6187         (toplev_main): Call invoke_plugin_callbacks.
6188         * common.opt: Add -fplugin= and -fplugin-arg-.
6189         * gcc-plugin.h: New public header file for plugins to include.
6190         * plugin.c: New source file.
6191         * plugin.h: New internal header file.
6192         * passes.c (register_one_dump_file): Make it external.
6193
6194         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
6195
6196 2009-04-14  Diego Novillo  <dnovillo@google.com>
6197
6198         * doc/plugins.texi: New.
6199         * doc/gccint.texi: Add reference to Plugins chapter.
6200         * doc/invoke.texi: Document -fplugin and -fplugin-arg
6201         * diagnostic.c (diagnostic_report_diagnostic): Warn about
6202         loaded plugins, if any.
6203         * timevar.def (TV_PLUGIN_INIT): Define.
6204         (TV_PLUGIN_RUN): Define.
6205         * plugin.c: Include timevar.h
6206         (plugins_active_p): New.
6207         (dump_active_plugins): New.
6208         (debug_active_plugins): New.
6209
6210 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
6211
6212         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
6213         library paths.
6214         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
6215
6216 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
6217
6218         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
6219         the same as a minus without a shift.
6220
6221 2009-04-14  Nick Clifton  <nickc@redhat.com>
6222
6223         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
6224         comparisons with small integers will always produce a short
6225         branch.
6226
6227 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
6228
6229         Merge:
6230         2008-12-19  Diego Novillo  <dnovillo@google.com>
6231
6232         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
6233
6234 2009-04-14  Richard Guenther  <rguenther@suse.de>
6235
6236         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
6237         verification.
6238         (verify_gimple_assign_binary): Likewise.  Handle shifts and
6239         rotates correctly.
6240         (verify_gimple_phi): Print the mismatched argument position.
6241         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
6242         Fix types.
6243         (vect_update_init_of_dr): Likewise.
6244         * matrix-reorg.c (transform_access_sites): Do what the
6245         comment suggests.
6246         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
6247
6248 2009-04-13  Michael Eager  <eager@eagercon.com>
6249
6250         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
6251         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
6252         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
6253         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
6254         remove duplicate config
6255
6256 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6257
6258         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
6259         file_name:line_number type locator of the call site.
6260
6261 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
6262
6263         * genautomata.c: Put blank after comma.
6264         (automaton_decls): New.
6265         (struct unit_usage): Add comments to member next.
6266         (store_alt_unit_usage): Keep the list ordered.
6267         (unit_present_on_list_p, equal_alternatives_p): New.
6268         (check_regexp_units_distribution): Check units distribution
6269         correctness correctly.
6270         (main): Don't write automata if error is found.  Return correct
6271         exit code.
6272
6273         * config/m68k/cf.md (cfv4_ds): Remove.
6274         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
6275         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
6276
6277         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
6278         power4-load-ext, power4-store, power4-store-update,
6279         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
6280         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
6281         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
6282         power4-sqrt, power4-isync): Modify reservation to make correct
6283         unit distribution to automata.
6284
6285         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
6286         power5-store-update, power5-two, power5-three, power5-lmul,
6287         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
6288
6289 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
6290
6291         * except.c (pass_set_nothrow_function_flags): Set name and add
6292         TODO_dump_func.
6293         (set_nothrow_function_flags): Mention in the dump file when
6294         changing a function to nothrow.
6295
6296 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
6297
6298         PR/39066
6299         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
6300         instead of unsigned long.
6301
6302 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6303
6304         * config/arm/arm.c (return_used_this_function): Remove.
6305         (arm_output_function_prologue): Remove use of
6306         return_used_this_function.
6307         (output_return_instruction): Replace use of
6308         return_used_this_function
6309         by cfun->machine->return_used_this_function.
6310         (arm_output_epilogue): Likewise.
6311         (arm_output_function_epilogue): Likewise.
6312         (thumb_unexpanded_epilogue): Likewise.
6313         * config/arm/arm.h (struct machine_function):
6314         New member return_used_this_function.
6315
6316 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
6317
6318         * doc/install.texi: Correct description of default directory for
6319         --with-gxx-include-dir.
6320
6321 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
6322
6323         * fold-const.c (build_range_check): Properly deal with enumeral and
6324         boolean base types.
6325
6326 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
6327
6328         * doc/invoke.texi (max_gcse_passes): Remove documentation.
6329         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
6330         * params.h (MAX_GCSE_PASSES): Remove.
6331         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
6332         in sequence.  Remove ability to run multiple passes.
6333         (bypass_jumps): Report run as third CPROP pass.
6334
6335 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
6336
6337         PR middle-end/39651
6338         * except.c (can_throw_external): Look at each insn in a SEQUENCE
6339         when deciding whether the whole SEQUENCE can throw.
6340
6341 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
6342
6343         PR target/39740
6344         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
6345         offseted label references.
6346
6347 2009-04-11  Jan Hubicka  <jh@suse.cz>
6348
6349         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
6350
6351 2009-04-11  Richard Guenther  <rguenther@suse.de>
6352
6353         PR middle-end/39732
6354         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
6355         return variables as TREE_ADDRESSABLE.
6356
6357 2009-04-11  Richard Guenther  <rguenther@suse.de>
6358
6359         PR tree-optimization/39713
6360         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
6361         reference trees have SSA_NAME operands.
6362
6363 2009-04-11  Richard Guenther  <rguenther@suse.de>
6364
6365         PR c/39712
6366         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
6367         address expressions.
6368
6369 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
6370
6371         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
6372         match changes in Cygwin 1.7
6373         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
6374         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
6375
6376 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
6377
6378         PR tree-optimization/39701
6379         * doc/invoke.texi (Optimization Options): Document change in
6380         meaning and initialization of -fdelete-null-pointer-checks.
6381
6382 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
6383
6384         PR middle-end/39701
6385         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
6386
6387         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
6388         here.
6389
6390         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
6391
6392 2009-04-10  Chao-ying Fu  <fu@mips.com>
6393
6394         * doc/tm.texi (Instruction Output): Document
6395         TARGET_ASM_FINAL_POSTSCAN_INSN.
6396         * target.h (final_postscan_insn): New field in asm_out.
6397         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
6398         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
6399         * final.c (final_scan_insn): Call
6400         targetm.asm_out.final_postscan_insn after outputting
6401         an asm macro and a normal instruction.
6402
6403         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
6404         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
6405         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
6406         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
6407         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
6408
6409 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
6410
6411         PR middle-end/39701
6412         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
6413         variables as non-NULL even with -fdelete-null-pointer-checks.
6414
6415 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
6416
6417         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
6418
6419 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
6420
6421         PR target/39678
6422         * config/i386/i386.c (classify_argument): Handle SCmode with
6423         (bit_offset % 64) != 0.
6424
6425 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
6426
6427         * doc/invoke.texi (Optimize Options): Add cross-reference to
6428         -Q --help=optimizers examples.
6429
6430 2009-04-10  Ben Elliston  <bje@au.ibm.com>
6431
6432         PR target/36800
6433         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
6434         regalign for the reg == fpr and TDmode case.
6435
6436 2009-04-09  David Ayers  <ayers@fsfe.org>
6437
6438         PR objc/29200
6439         * objc/objc-act.c (warn_with_method): Remove helper function.
6440         (check_duplicates): Call warning and inform directly.
6441         (really_start_method): Likewise.
6442
6443 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
6444
6445         * expmed.c (expand_divmod): Always use a comparison for a division
6446         by a large unsigned integer.
6447
6448         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
6449         for things others than variables or functions as nonzero.
6450
6451 2009-04-09  Nick Clifton  <nickc@redhat.com>
6452
6453         * unwind-compat.c: Change copyright header to refer to version
6454         3 of the GNU General Public License with version 3.1 of the
6455         GCC Runtime Library Exception and to point readers at the
6456         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
6457         * config/alpha/crtfastmath.c: Likewise.
6458         * config/alpha/linux-unwind.h: Likewise.
6459         * config/alpha/qrnnd.asm: Likewise.
6460         * config/alpha/vms-crt0-64.c: Likewise.
6461         * config/alpha/vms-crt0.c: Likewise.
6462         * config/alpha/vms-dwarf2.asm: Likewise.
6463         * config/alpha/vms-dwarf2eh.asm: Likewise.
6464         * config/alpha/vms-psxcrt0-64.c: Likewise.
6465         * config/alpha/vms-psxcrt0.c: Likewise.
6466         * config/alpha/vms_tramp.asm: Likewise.
6467         * config/arc/initfini.c: Likewise.
6468         * config/arc/lib1funcs.asm: Likewise.
6469         * config/arm/bpabi-v6m.S: Likewise.
6470         * config/arm/bpabi.S: Likewise.
6471         * config/arm/bpabi.c: Likewise.
6472         * config/arm/crti.asm: Likewise.
6473         * config/arm/crtn.asm: Likewise.
6474         * config/arm/ieee754-df.S: Likewise.
6475         * config/arm/ieee754-sf.S: Likewise.
6476         * config/arm/lib1funcs.asm: Likewise.
6477         * config/arm/libunwind.S: Likewise.
6478         * config/arm/linux-atomic.c: Likewise.
6479         * config/arm/mmintrin.h: Likewise.
6480         * config/arm/pr-support.c: Likewise.
6481         * config/arm/unaligned-funcs.c: Likewise.
6482         * config/arm/unwind-arm.c: Likewise.
6483         * config/arm/unwind-arm.h: Likewise.
6484         * config/avr/libgcc.S: Likewise.
6485         * config/bfin/crti.s: Likewise.
6486         * config/bfin/crtlibid.s: Likewise.
6487         * config/bfin/crtn.s: Likewise.
6488         * config/bfin/lib1funcs.asm: Likewise.
6489         * config/bfin/linux-unwind.h: Likewise.
6490         * config/cris/arit.c: Likewise.
6491         * config/cris/cris_abi_symbol.c: Likewise.
6492         * config/darwin-64.c: Likewise.
6493         * config/darwin-crt2.c: Likewise.
6494         * config/darwin-crt3.c: Likewise.
6495         * config/darwin.h: Likewise.
6496         * config/dbxelf.h: Likewise.
6497         * config/dfp-bit.c: Likewise.
6498         * config/dfp-bit.h: Likewise.
6499         * config/elfos.h: Likewise.
6500         * config/fixed-bit.c: Likewise.
6501         * config/fixed-bit.h: Likewise.
6502         * config/fp-bit.c: Likewise.
6503         * config/fp-bit.h: Likewise.
6504         * config/fr30/crti.asm: Likewise.
6505         * config/fr30/crtn.asm: Likewise.
6506         * config/fr30/lib1funcs.asm: Likewise.
6507         * config/freebsd-spec.h: Likewise.
6508         * config/frv/cmovd.c: Likewise.
6509         * config/frv/cmovh.c: Likewise.
6510         * config/frv/cmovw.c: Likewise.
6511         * config/frv/frvbegin.c: Likewise.
6512         * config/frv/frvend.c: Likewise.
6513         * config/frv/lib1funcs.asm: Likewise.
6514         * config/glibc-stdint.h: Likewise.
6515         * config/h8300/clzhi2.c: Likewise.
6516         * config/h8300/crti.asm: Likewise.
6517         * config/h8300/crtn.asm: Likewise.
6518         * config/h8300/ctzhi2.c: Likewise.
6519         * config/h8300/fixunssfsi.c: Likewise.
6520         * config/h8300/lib1funcs.asm: Likewise.
6521         * config/h8300/parityhi2.c: Likewise.
6522         * config/h8300/popcounthi2.c: Likewise.
6523         * config/i386/ammintrin.h: Likewise.
6524         * config/i386/att.h: Likewise.
6525         * config/i386/avxintrin.h: Likewise.
6526         * config/i386/biarch64.h: Likewise.
6527         * config/i386/bmmintrin.h: Likewise.
6528         * config/i386/cpuid.h: Likewise.
6529         * config/i386/cross-stdarg.h: Likewise.
6530         * config/i386/crtfastmath.c: Likewise.
6531         * config/i386/crtprec.c: Likewise.
6532         * config/i386/cygming-crtbegin.c: Likewise.
6533         * config/i386/cygming-crtend.c: Likewise.
6534         * config/i386/cygwin.asm: Likewise.
6535         * config/i386/emmintrin.h: Likewise.
6536         * config/i386/gmm_malloc.h: Likewise.
6537         * config/i386/gthr-win32.c: Likewise.
6538         * config/i386/i386.h: Likewise.
6539         * config/i386/immintrin.h: Likewise.
6540         * config/i386/linux-unwind.h: Likewise.
6541         * config/i386/linux64.h: Likewise.
6542         * config/i386/mm3dnow.h: Likewise.
6543         * config/i386/mmintrin-common.h: Likewise.
6544         * config/i386/mmintrin.h: Likewise.
6545         * config/i386/nmmintrin.h: Likewise.
6546         * config/i386/pmm_malloc.h: Likewise.
6547         * config/i386/pmmintrin.h: Likewise.
6548         * config/i386/smmintrin.h: Likewise.
6549         * config/i386/sol2-c1.asm: Likewise.
6550         * config/i386/sol2-ci.asm: Likewise.
6551         * config/i386/sol2-cn.asm: Likewise.
6552         * config/i386/sol2-gc1.asm: Likewise.
6553         * config/i386/tmmintrin.h: Likewise.
6554         * config/i386/unix.h: Likewise.
6555         * config/i386/w32-unwind.h: Likewise.
6556         * config/i386/wmmintrin.h: Likewise.
6557         * config/i386/x86-64.h: Likewise.
6558         * config/i386/x86intrin.h: Likewise.
6559         * config/i386/xmmintrin.h: Likewise.
6560         * config/ia64/crtbegin.asm: Likewise.
6561         * config/ia64/crtend.asm: Likewise.
6562         * config/ia64/crtfastmath.c: Likewise.
6563         * config/ia64/crti.asm: Likewise.
6564         * config/ia64/crtn.asm: Likewise.
6565         * config/ia64/fde-glibc.c: Likewise.
6566         * config/ia64/lib1funcs.asm: Likewise.
6567         * config/ia64/linux-unwind.h: Likewise.
6568         * config/ia64/quadlib.c: Likewise.
6569         * config/ia64/unwind-ia64.c: Likewise.
6570         * config/linux.h: Likewise.
6571         * config/m32c/m32c-lib1.S: Likewise.
6572         * config/m32c/m32c-lib2-trapv.c: Likewise.
6573         * config/m32c/m32c-lib2.c: Likewise.
6574         * config/m32r/initfini.c: Likewise.
6575         * config/m68hc11/larith.asm: Likewise.
6576         * config/m68hc11/m68hc11-crt0.S: Likewise.
6577         * config/m68k/cf.md: Likewise.
6578         * config/m68k/crti.s: Likewise.
6579         * config/m68k/crtn.s: Likewise.
6580         * config/m68k/lb1sf68.asm: Likewise.
6581         * config/m68k/linux-unwind.h: Likewise.
6582         * config/mcore/crti.asm: Likewise.
6583         * config/mcore/crtn.asm: Likewise.
6584         * config/mcore/lib1.asm: Likewise.
6585         * config/mips/linux-unwind.h: Likewise.
6586         * config/mips/loongson.h: Likewise.
6587         * config/mips/mips16.S: Likewise.
6588         * config/mmix/crti.asm: Likewise.
6589         * config/mmix/crtn.asm: Likewise.
6590         * config/pa/fptr.c: Likewise.
6591         * config/pa/hpux-unwind.h: Likewise.
6592         * config/pa/lib2funcs.asm: Likewise.
6593         * config/pa/linux-atomic.c: Likewise.
6594         * config/pa/linux-unwind.h: Likewise.
6595         * config/pa/milli64.S: Likewise.
6596         * config/pa/quadlib.c: Likewise.
6597         * config/pa/stublib.c: Likewise.
6598         * config/picochip/libgccExtras/adddi3.asm: Likewise.
6599         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
6600         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
6601         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
6602         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
6603         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
6604         * config/picochip/libgccExtras/divmod15.asm: Likewise.
6605         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
6606         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
6607         * config/picochip/libgccExtras/longjmp.asm: Likewise.
6608         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
6609         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
6610         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
6611         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
6612         * config/picochip/libgccExtras/setjmp.asm: Likewise.
6613         * config/picochip/libgccExtras/subdi3.asm: Likewise.
6614         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
6615         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
6616         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
6617         * config/rs6000/750cl.h: Likewise.
6618         * config/rs6000/altivec.h: Likewise.
6619         * config/rs6000/biarch64.h: Likewise.
6620         * config/rs6000/crtresfpr.asm: Likewise.
6621         * config/rs6000/crtresgpr.asm: Likewise.
6622         * config/rs6000/crtresxfpr.asm: Likewise.
6623         * config/rs6000/crtresxgpr.asm: Likewise.
6624         * config/rs6000/crtsavfpr.asm: Likewise.
6625         * config/rs6000/crtsavgpr.asm: Likewise.
6626         * config/rs6000/darwin-asm.h: Likewise.
6627         * config/rs6000/darwin-fallback.c: Likewise.
6628         * config/rs6000/darwin-fpsave.asm: Likewise.
6629         * config/rs6000/darwin-ldouble.c: Likewise.
6630         * config/rs6000/darwin-tramp.asm: Likewise.
6631         * config/rs6000/darwin-unwind.h: Likewise.
6632         * config/rs6000/darwin-vecsave.asm: Likewise.
6633         * config/rs6000/darwin-world.asm: Likewise.
6634         * config/rs6000/e500crtres32gpr.asm: Likewise.
6635         * config/rs6000/e500crtres64gpr.asm: Likewise.
6636         * config/rs6000/e500crtres64gprctr.asm: Likewise.
6637         * config/rs6000/e500crtrest32gpr.asm: Likewise.
6638         * config/rs6000/e500crtrest64gpr.asm: Likewise.
6639         * config/rs6000/e500crtresx32gpr.asm: Likewise.
6640         * config/rs6000/e500crtresx64gpr.asm: Likewise.
6641         * config/rs6000/e500crtsav32gpr.asm: Likewise.
6642         * config/rs6000/e500crtsav64gpr.asm: Likewise.
6643         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
6644         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
6645         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
6646         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
6647         * config/rs6000/eabi-ci.asm: Likewise.
6648         * config/rs6000/eabi-cn.asm: Likewise.
6649         * config/rs6000/eabi.asm: Likewise.
6650         * config/rs6000/linux-unwind.h: Likewise.
6651         * config/rs6000/linux64.h: Likewise.
6652         * config/rs6000/paired.h: Likewise.
6653         * config/rs6000/paired.md: Likewise.
6654         * config/rs6000/ppc64-fp.c: Likewise.
6655         * config/rs6000/ppu_intrinsics.h: Likewise.
6656         * config/rs6000/rs6000.h: Likewise.
6657         * config/rs6000/si2vmx.h: Likewise.
6658         * config/rs6000/sol-ci.asm: Likewise.
6659         * config/rs6000/sol-cn.asm: Likewise.
6660         * config/rs6000/spe.h: Likewise.
6661         * config/rs6000/spu2vmx.h: Likewise.
6662         * config/rs6000/sysv4.h: Likewise.
6663         * config/rs6000/tramp.asm: Likewise.
6664         * config/rs6000/vec_types.h: Likewise.
6665         * config/s390/linux-unwind.h: Likewise.
6666         * config/s390/tpf-unwind.h: Likewise.
6667         * config/score/crti.asm: Likewise.
6668         * config/score/crtn.asm: Likewise.
6669         * config/sh/crt1.asm: Likewise.
6670         * config/sh/crti.asm: Likewise.
6671         * config/sh/crtn.asm: Likewise.
6672         * config/sh/divtab-sh4-300.c: Likewise.
6673         * config/sh/divtab-sh4.c: Likewise.
6674         * config/sh/divtab.c: Likewise.
6675         * config/sh/lib1funcs-4-300.asm: Likewise.
6676         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
6677         * config/sh/lib1funcs.asm: Likewise.
6678         * config/sh/lib1funcs.h: Likewise.
6679         * config/sh/linux-atomic.asm: Likewise.
6680         * config/sh/linux-unwind.h: Likewise.
6681         * config/sh/shmedia.h: Likewise.
6682         * config/sh/sshmedia.h: Likewise.
6683         * config/sh/ushmedia.h: Likewise.
6684         * config/sparc/crtfastmath.c: Likewise.
6685         * config/sparc/linux-unwind.h: Likewise.
6686         * config/sparc/sol2-c1.asm: Likewise.
6687         * config/sparc/sol2-ci.asm: Likewise.
6688         * config/sparc/sol2-cn.asm: Likewise.
6689         * config/spu/divmodti4.c: Likewise.
6690         * config/spu/divv2df3.c: Likewise.
6691         * config/spu/float_disf.c: Likewise.
6692         * config/spu/float_unsdidf.c: Likewise.
6693         * config/spu/float_unsdisf.c: Likewise.
6694         * config/spu/float_unssidf.c: Likewise.
6695         * config/spu/mfc_multi_tag_release.c: Likewise.
6696         * config/spu/mfc_multi_tag_reserve.c: Likewise.
6697         * config/spu/mfc_tag_release.c: Likewise.
6698         * config/spu/mfc_tag_reserve.c: Likewise.
6699         * config/spu/mfc_tag_table.c: Likewise.
6700         * config/spu/multi3.c: Likewise.
6701         * config/spu/spu_internals.h: Likewise.
6702         * config/spu/spu_intrinsics.h: Likewise.
6703         * config/spu/spu_mfcio.h: Likewise.
6704         * config/spu/vec_types.h: Likewise.
6705         * config/spu/vmx2spu.h: Likewise.
6706         * config/stormy16/stormy16-lib2.c: Likewise.
6707         * config/svr4.h: Likewise.
6708         * config/sync.c: Likewise.
6709         * config/v850/lib1funcs.asm: Likewise.
6710         * config/vxlib-tls.c: Likewise.
6711         * config/vxlib.c: Likewise.
6712         * config/vxworks-dummy.h: Likewise.
6713         * config/xtensa/crti.asm: Likewise.
6714         * config/xtensa/crtn.asm: Likewise.
6715         * config/xtensa/ieee754-df.S: Likewise.
6716         * config/xtensa/ieee754-sf.S: Likewise.
6717         * config/xtensa/lib1funcs.asm: Likewise.
6718         * config/xtensa/lib2funcs.S: Likewise.
6719         * config/xtensa/linux-unwind.h: Likewise.
6720         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
6721         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
6722         * coretypes.h: Likewise.
6723         * crtstuff.c: Likewise.
6724         * defaults.h: Likewise.
6725         * dwarf2.h: Likewise.
6726         * emutls.c: Likewise.
6727         * gbl-ctors.h: Likewise.
6728         * gcov-io.h: Likewise.
6729         * ginclude/float.h: Likewise.
6730         * ginclude/iso646.h: Likewise.
6731         * ginclude/stdarg.h: Likewise.
6732         * ginclude/stdbool.h: Likewise.
6733         * ginclude/stddef.h: Likewise.
6734         * ginclude/stdfix.h: Likewise.
6735         * ginclude/stdint-gcc.h: Likewise.
6736         * ginclude/tgmath.h: Likewise.
6737         * gthr-aix.h: Likewise.
6738         * gthr-dce.h: Likewise.
6739         * gthr-gnat.c: Likewise.
6740         * gthr-gnat.h: Likewise.
6741         * gthr-lynx.h: Likewise.
6742         * gthr-mipssde.h: Likewise.
6743         * gthr-nks.h: Likewise.
6744         * gthr-posix.c: Likewise.
6745         * gthr-posix.h: Likewise.
6746         * gthr-posix95.h: Likewise.
6747         * gthr-rtems.h: Likewise.
6748         * gthr-single.h: Likewise.
6749         * gthr-solaris.h: Likewise.
6750         * gthr-tpf.h: Likewise.
6751         * gthr-vxworks.h: Likewise.
6752         * gthr-win32.h: Likewise.
6753         * gthr.h: Likewise.
6754         * libgcc2.c: Likewise.
6755         * libgcc2.h: Likewise.
6756         * libgcov.c: Likewise.
6757         * tsystem.h: Likewise.
6758         * typeclass.h: Likewise.
6759         * unwind-c.c: Likewise.
6760         * unwind-compat.h: Likewise.
6761         * unwind-dw2-fde-compat.c: Likewise.
6762         * unwind-dw2-fde-darwin.c: Likewise.
6763         * unwind-dw2-fde-glibc.c: Likewise.
6764         * unwind-dw2-fde.c: Likewise.
6765         * unwind-dw2-fde.h: Likewise.
6766         * unwind-dw2.c: Likewise.
6767         * unwind-dw2.h: Likewise.
6768         * unwind-generic.h: Likewise.
6769         * unwind-pe.h: Likewise.
6770         * unwind-sjlj.c: Likewise.
6771         * unwind.inc: Likewise.
6772         * config/arm/neon-gen.ml: Change generated copyright header to
6773         refer to version 3 of the GNU General Public License with
6774         version 3.1 of the GCC Runtime Library Exception and to point
6775         readers at the COPYING3 and COPYING3.RUNTIME files and the
6776         FSF's license web page.
6777         * config/arm/arm_neon.h: Regenerate.
6778
6779 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
6780
6781         * config/cris/cris.md: Change copyright header to refer to version
6782         3 of the GNU General Public License.
6783         * doc/install.texi2html: Change copyright header to refer to version
6784         3 of the GNU General Public License and to point readers at the
6785         COPYING3 file and the FSF's license web page.
6786         * config/vax/linux.h: Likewise.
6787
6788 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
6789
6790         * config/i386/i386.md (cmpcc): New.
6791         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
6792         (sync_compare_and_swap_cc*): Delete.
6793
6794         * config/s390/s390.c (s390_compare_emitted): Remove.
6795         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
6796         s390_compare_emitted used to be handled.  Assert that modes match.
6797         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
6798         refer to sync_compare_and_swap_ccsi.
6799         * config/s390/s390.h (s390_compare_emitted): Remove.
6800         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
6801         instead of s390_compare_emitted.
6802         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
6803         instead of s390_compare_emitted.
6804         * config/s390/s390.md (cmpcc): New.
6805         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
6806         CC_REGNUM, do not pretend it's set.
6807         (sync_compare_and_swap_cc*): Delete.
6808         * config/s390/predicates.md (cc_reg_operand): New.
6809
6810         * expr.c (sync_compare_and_swap_cc): Delete.
6811         * optabs.h (sync_compare_and_swap_cc): Delete.
6812         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
6813         is being used with can_compare_p.
6814         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
6815         (find_cc_set): New.
6816         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
6817         look for a MODE_CC set instead.  Use emit_store_flag.
6818         (expand_compare_and_swap_loop): Likewise, with some additional
6819         complication to avoid a force_reg when useless.  Use
6820         emit_cmp_and_jump_insns.
6821         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
6822         * doc/md.texi (sync_compare_and_swap_cc): Merge with
6823         sync_compare_and_swap documentation.
6824
6825 2009-04-09  Jan Hubicka  <jh@suse.cz>
6826
6827         * except.c (find_prev_try): Break out from ....
6828         (duplicate_eh_regions): ... here; properly update prev_try pointers
6829         when duplication part of tree.
6830         (dump_eh_tree): Improve dumping.
6831         (verify_eh_region): New.
6832         (verify_eh_tree): Use it.
6833
6834 2009-04-06  Richard Guenther  <rguenther@suse.de>
6835
6836         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
6837         &ARRAY addresses by adjusting their types and prepending
6838         a conversion.
6839         * tree-cfg.c (verify_gimple_assign_single): Verify that
6840         addresses are correct.
6841
6842 2009-04-09  Richard Guenther  <rguenther@suse.de>
6843
6844         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
6845         indices into an array reference if possible.
6846         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
6847         Fold POINTER_PLUS_EXPR statements with invariant address.
6848
6849 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
6850
6851         PR target/39634
6852         * config.gcc (powerpc64-*-linux*): Always build biarch.
6853
6854 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
6855
6856         PR c/39613
6857         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
6858         it and pedwarn if this results in an INTEGER_CST.
6859
6860 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6861
6862         * doc/install.texi: Update minimum GMP version.  Remove obsolete
6863         text in MPFR section.
6864
6865 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
6866
6867         * dwarf2out.c (class_scope_p): New static inline.
6868         (class_or_namespace_scope_p): Use it.
6869         (gen_variable_die): Use DW_TAG_member tag for static data member
6870         declarations instead of DW_TAG_variable.
6871
6872         PR middle-end/39573
6873         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
6874         variables.
6875
6876 2009-04-08  Richard Guenther  <rguenther@suse.de>
6877
6878         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
6879         valueize random data.
6880
6881 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
6882
6883         * config.gcc (aix tm_file):  Add aix-stdint.h.
6884         (aix tm clause use_gcc_stdint):  Set to wrap.
6885         * config/rs6000/aix-stdint.h:  New file.
6886
6887 2009-04-08  Richard Guenther  <rguenther@suse.de>
6888
6889         PR middle-end/36291
6890         * tree-dfa.c (add_referenced_var): Do not recurse into
6891         global initializers.
6892         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
6893         exposed variables.
6894         (fold_const_aggregate_ref): Likewise.
6895
6896 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
6897
6898         * recog.c (ordered_comparison_operator): New.
6899         * gensupport.c (std_preds): Add it.
6900         * doc/md.texi (Machine-Independent Predicates): Document it.
6901
6902 2009-04-08  Jan Hubicka  <jh@suse.cz>
6903
6904         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
6905         * function.h (rtl_eh): Remove exception_handler_label_map.
6906         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
6907         remove_exception_handler_label, for_each_eh_label_1): Remove.
6908         (rtl_remove_unreachable_regions): Remove.
6909         (convert_from_eh_region_ranges): Do not remove unreachable regions.
6910         (find_exception_handler_labels): Don't build the hashtable.
6911         (maybe_remove_eh_handler): Remove.
6912         (for_each_eh_label): Rewrite to walk the tree.
6913         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
6914         * except.h (maybe_remove_eh_handler): Remove.
6915         * passes.c (init_optimization_passes): Schedule second EH cleanup
6916         before out-of-ssa.
6917         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
6918         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
6919
6920 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
6921
6922         * genoutput.c (validate_optab_operands): New.
6923         (gen_insn, gen_expand): Call it.
6924
6925         * genflags.c (gen_insn): Detect misused iterators.
6926         (main): Pass line_no to gen_insn, exit with status 1 on error.
6927
6928         * genextract.c (line_no): Make global.
6929         (VEC_safe_set_locstr): Change assertion to error message.
6930         (main): Exit with status 1 on error.
6931
6932 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
6933
6934         PR c/39614
6935         PR c/39673
6936         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
6937         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
6938         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
6939         * c-convert.c (convert): Do not call fold on results of conversion
6940         functions when the result is a C_MAYBE_CONST_EXPR.
6941         * c-parser.c (c_parser_postfix_expression): Do not fold condition
6942         of __builtin_choose_expr.
6943         * c-typeck.c (remove_c_maybe_const_expr): New.
6944         (build_unary_op, build_conditional_expr, build_compound_expr,
6945         build_binary_op, c_objc_common_truthvalue_conversion): Call
6946         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
6947         integer operands.
6948
6949 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
6950
6951         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
6952         CODE to produce a new one. Add a prototype to use fold_convert_const
6953
6954 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
6955
6956         PR bootstrap/39660
6957         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
6958         mix declarations and code.
6959
6960 2009-04-08  Ben Elliston  <bje@au.ibm.com>
6961
6962         * gcc.c: Replace `CC' with `GCC' throughout.
6963
6964 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
6965
6966         * doc/invoke.texi: Document Atom support.
6967
6968 2009-04-07  Jason Merrill  <jason@redhat.com>
6969
6970         PR c++/25185
6971         * c-common.h, c-common.c: Add flag_pretty_templates.
6972         * c-opts.c (c_common_handle_option): Set it.
6973         * c.opt: Add -fno-pretty-templates.
6974         * doc/invoke.texi (C++ Dialect Options): Likewise.
6975
6976 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
6977
6978         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
6979         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
6980         (ia64_expand_builtin): Likewise.
6981
6982 2009-04-07  Martin Jambor  <mjambor@suse.cz>
6983
6984         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
6985         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
6986         ADDR_EXPRS are include too.
6987
6988 2009-04-07  Richard Guenther  <rguenther@suse.de>
6989
6990         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
6991         decls are only used if passes as parameters or if they are
6992         local statics and the call is not to a builtin.
6993         (call_may_clobber_ref_p_1): Likewise.
6994
6995 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6996
6997         * expr.c (do_store_flag): Remove last argument.  Simplify code
6998         to avoid duplication of tests already done by can_compare_p.
6999         (expand_expr_real_1): Adjust caller.
7000
7001 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
7002
7003         * optabs.c (can_compare_p): Test the predicate of a
7004         cbranch and cstore pattern.
7005
7006 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
7007
7008         * expr.c (convert_move): Use emit_store_flag instead of
7009         "emulating" it.
7010
7011 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
7012
7013         * config/i386/i386.c (ix86_compare_emitted): Remove.
7014         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
7015         ix86_compare_op0 like ix86_compare_emitted used to be handled.
7016         * config/i386/i386.h (ix86_compare_emitted): Remove.
7017         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
7018         instead of ix86_compare_emitted.
7019         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
7020
7021 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
7022
7023         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
7024         Add t-sysroot-suffix to tmake_file.
7025         * config/print-sysroot-suffix.sh: New file.
7026         * config/t-sysroot-suffix: New file.
7027
7028 2009-04-07  Ben Elliston  <bje@au.ibm.com>
7029
7030         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
7031         as the latter produces a warning when the target does not support
7032         infinity.
7033
7034 2009-04-07  Ben Elliston  <bje@au.ibm.com>
7035
7036         * dfp.c: Replace type punning assignments with memcpy throughout.
7037         * Makefile.in (dfp.o-warn): Remove.
7038
7039 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
7040
7041         PR target/39634
7042         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
7043         Include soft-fp/t-softfp after rs6000/t-linux64.
7044
7045 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
7046
7047         * stor-layout.c (set_sizetype): Use the full precision of their
7048         machine mode for bitsize types.
7049
7050 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
7051
7052         * config/i386/i386.md: Revert 2 accidental checkins.
7053
7054 2009-04-06  Joey Ye  <joey.ye@intel.com>
7055             Xuepeng Guo  <xuepeng.guo@intel.com>
7056             H.J. Lu  <hongjiu.lu@intel.com>
7057
7058         Atom pipeline model, tuning and insn selection.
7059         * config.gcc (atom): Add atom config options and target.
7060
7061         * config/i386/atom.md: New.
7062
7063         * config/i386/i386.c (atom_cost): New cost.
7064         (m_ATOM): New macro flag.
7065         (initial_ix86_tune_features): Set m_ATOM.
7066         (x86_accumulate_outgoing_args): Likewise.
7067         (x86_arch_always_fancy_math_387): Likewise.
7068         (processor_target): Add Atom cost.
7069         (cpu_names): Add Atom cpu name.
7070         (override_options): Set Atom ISA.
7071         (ix86_issue_rate): New case PROCESSOR_ATOM.
7072         (ix86_adjust_cost): Likewise.
7073
7074         * config/i386/i386.h (TARGET_ATOM): New target macro.
7075         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
7076         (TARGET_OPT_AGU): New target option.
7077         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
7078         (processor_type): Add PROCESSOR_ATOM.
7079
7080         * config/i386/i386.md (cpu): Add new value "atom".
7081         (use_carry, movu): New attr.
7082         (atom.md): Include atom.md.
7083         (adddi3_carry_rex64): Set attr "use_carry".
7084         (addqi3_carry): Likewise.
7085         (addhi3_carry): Likewise.
7086         (addsi3_carry): Likewise.
7087         (*addsi3_carry_zext): Likewise.
7088         (subdi3_carry_rex64): Likewise.
7089         (subqi3_carry): Likewise.
7090         (subhi3_carry): Likewise.
7091         (subsi3_carry): Likewise.
7092         (x86_movdicc_0_m1_rex64): Likewise.
7093         (*x86_movdicc_0_m1_se): Likewise.
7094         (x86_movsicc_0_m1): Likewise.
7095         (*x86_movsicc_0_m1_se): Likewise.
7096         (*adddi_1_rex64): Emit add insn as much as possible.
7097         (*addsi_1): Likewise.
7098         (return_internal): Set atom_unit.
7099         (return_internal_long): Likewise.
7100         (return_pop_internal): Likewise.
7101         (*rcpsf2_sse): Set atom_sse_attr attr.
7102         (*qrt<mode>2_sse): Likewise.
7103         (*prefetch_sse): Likewise.
7104
7105         * config/i386/i386-c.c (ix86_target_macros_internal): New case
7106         PROCESSOR_ATOM.
7107         (ix86_target_macros_internal): Likewise.
7108
7109         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
7110         (*prefetch_sse_rex): Likewise.
7111         (sse_rcpv4sf2): Likewise.
7112         (sse_vmrcpv4sf2): Likewise.
7113         (sse_sqrtv4sf2): Likewise.
7114         (<sse>_vmsqrt<mode>2): Likewise.
7115         (sse_ldmxcsr): Likewise.
7116         (sse_stmxcsr): Likewise.
7117         (*sse_sfence): Likewise.
7118         (sse2_clflush): Likewise.
7119         (*sse2_mfence): Likewise.
7120         (*sse2_lfence): Likewise.
7121         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
7122         (<sse>_movup<ssemodesuffixf2c>): Likewise.
7123         (avx_movdqu<avxmodesuffix>): Likewise.
7124         (avx_lddqu<avxmodesuffix>): Likewise.
7125         (sse2_movntv2di): Change attr "type" to "ssemov".
7126         (sse2_movntsi): Likewise.
7127         (rsqrtv8sf2): Change attr "type" to "sseadd".
7128         (sse3_addsubv2df3): Set attr "atom_unit".
7129         (sse3_h<plusminus_insn>v4sf3): Likewise.
7130         (*sse2_pmaddwd): Likewise.
7131         (*vec_extractv2di_1_rex64): Likewise.
7132         (*vec_extractv2di_1_avx): Likewise.
7133         (sse2_psadbw): Likewise.
7134         (ssse3_phaddwv8hi3): Likewise.
7135         (ssse3_phaddwv4hi3): Likewise.
7136         (ssse3_phadddv4si3): Likewise.
7137         (ssse3_phadddv2si3): Likewise.
7138         (ssse3_phaddswv8hi3): Likewise.
7139         (ssse3_phaddswv4hi3): Likewise.
7140         (ssse3_phsubwv8hi3): Likewise.
7141         (ssse3_phsubwv4hi3): Likewise.
7142         (ssse3_phsubdv4si3): Likewise.
7143         (ssse3_phsubdv2si3): Likewise.
7144         (ssse3_phsubswv8hi3): Likewise.
7145         (ssse3_phsubswv4hi3): Likewise.
7146         (ssse3_pmaddubsw128): Likewise.
7147         (sse3_pmaddubsw: Likewise.
7148         (ssse3_palignrti): Likewise.
7149         (ssse3_palignrdi): Likewise.
7150
7151 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
7152
7153         * doc/install.texi (Specific): Fix two cross-references to MinGW.
7154
7155 2009-04-06  Richard Guenther  <rguenther@suse.de>
7156
7157         PR tree-optimization/28868
7158         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
7159         of which PHI results we inserted.
7160         (insert_into_preds_of_block): Record inserted PHIs.
7161         (eliminate): Eliminate redundant PHI nodes.
7162         (init_pre): Init inserted_phi_names.
7163
7164 2009-04-06  Richard Guenther  <rguenther@suse.de>
7165
7166         PR tree-optimization/39643
7167         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
7168         IMAGPART_EXPRs of complex constants.
7169         (execute_fold_all_builtins): If we folded a call queue
7170         TODO_update_address_taken.
7171
7172 2009-04-06  Jan Hubicka  <jh@suse.cz>
7173
7174         PR middle-end/39659
7175         * except.c (remove_unreachable_regions): Propagate may_contain_throw
7176         flag.
7177
7178 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
7179
7180         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
7181         delay slot.
7182         (ic_invalidate_array): Likewise.
7183
7184 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
7185
7186         * calls.c (emit_library_call_value_1): Fix a problem with parameter
7187         alignment for library calls.
7188
7189 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
7190
7191         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
7192         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
7193         * config/i386/mingw-stdint.h:  New file.
7194
7195 2009-04-05  Richard Guenther  <rguenther@suse.de>
7196
7197         PR tree-optimization/39648
7198         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
7199         our &A vs. &A[0] IL deficiencies.
7200
7201 2009-04-04  Jan Hubicka  <jh@suse.cz>
7202
7203         * except.c (sjlj_find_directly_reachable_regions): Be ready for
7204         removed toplevel regions.
7205         (sjlj_mark_call_sites): Likewise.
7206
7207 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
7208
7209         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
7210         (cygwin tm clause use_gcc_stdint):  Set to wrap.
7211         * config/i386/cygwin-stdint.h:  New file.
7212
7213 2009-04-04  Richard Guenther  <rguenther@suse.de>
7214
7215         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
7216         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
7217         single-argument PHIs if we are in loop-closed SSA form.
7218         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
7219         for the pre-condition.
7220         (slpeel_tree_peel_loop_to_edge): Likewise.
7221         (vect_build_loop_niters): Take an optional sequence to append stmts.
7222         (vect_generate_tmps_on_preheader): Likewise.
7223         (vect_do_peeling_for_loop_bound): Take extra guards for the
7224         pre-condition.
7225         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
7226         the cost model check.
7227         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
7228         guards if we are going to peel.  Do not apply versioning in that case.
7229         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
7230         (vect_do_peeling_for_loop_bound): Likewise.
7231         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
7232         loop bound only record extra pre-conditions, do not apply loop
7233         versioning.
7234
7235 2009-04-04  Richard Guenther  <rguenther@suse.de>
7236
7237         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
7238         renaming code.
7239
7240 2009-04-04  Jan Hubicka  <jh@suse.cz>
7241
7242         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
7243         last_basic_block for size of bb->index indexed array.
7244         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
7245         compute_out, link_btr_uses, build_btr_def_use_webs,
7246         build_btr_def_use_webs, migrate_btr_defs): Likewise.
7247
7248 2009-04-04  Jan Hubicka  <jh@suse.cz>
7249
7250         * except.c (remove_eh_handler_and_replace): Break out from ...
7251         (remove_eh_handler): ... here.
7252         (bring_to_root): New function.
7253         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
7254         handled ones, bring others to root of tree.
7255
7256 2009-04-04  Jan Hubicka  <jh@suse.cz>
7257
7258         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
7259         (all_phis_safe_to_merge): New function.
7260         (update_info): New structure.
7261         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
7262         (cleanup_empty_eh): Update SSA if possible.
7263
7264 2009-04-04  Richard Guenther  <rguenther@suse.de>
7265
7266         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
7267         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
7268         (append_vuse): Likewise.
7269
7270 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
7271
7272         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
7273         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
7274         instead of REG_UNSAVED for DW_CFA_undefined.
7275         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
7276         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
7277         outermost frame.
7278
7279 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
7280
7281         PR target/39501
7282         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
7283         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
7284         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
7285
7286 2009-04-04  Richard Guenther  <rguenther@suse.de>
7287
7288         PR tree-optimization/8781
7289         PR tree-optimization/37892
7290         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
7291         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
7292         (valueize_refs): Call it for *& valueizations.
7293         (shared_reference_ops_from_ref): Rename to ...
7294         (valueize_shared_reference_ops_from_ref): ... this and valueize.
7295         (shared_reference_ops_from_call): Rename to ...
7296         (valueize_shared_reference_ops_from_call): ... this and valueize.
7297         (vn_reference_lookup): Update.
7298         (visit_reference_op_call): Likewise.
7299         * tree-ssa-pre.c (phi_translate_1): Fold *&.
7300         (eliminate): Value-replace the call address in call statements.
7301
7302 2009-04-04  Richard Guenther  <rguenther@suse.de>
7303
7304         PR tree-optimization/39636
7305         * tree-ssa-forwprop.c
7306         (forward_propagate_addr_into_variable_array_index): Check for
7307         GIMPLE_ASSIGN before accessing the rhs code.
7308
7309 2009-04-03  Jason Merrill  <jason@redhat.com>
7310
7311         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
7312
7313 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
7314
7315         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
7316         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
7317         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
7318         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
7319         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
7320         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
7321         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
7322         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
7323         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
7324         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
7325         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
7326         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
7327         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
7328         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
7329         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
7330         Use fr_reg_or_fp01_operand instead of fr_register_operand
7331
7332         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
7333         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
7334         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
7335
7336 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
7337
7338         PR rtl-optimization/39607
7339         PR rtl-optimization/39631
7340
7341         Revert:
7342
7343         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7344         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
7345         instead of DF_LR_OUT.
7346         * ira-lives.c (process_bb_node_lives): Ditto.
7347         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
7348         instead of DF_LR_{OUT,IN}.
7349         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
7350         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
7351
7352 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
7353
7354         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
7355         (execute_lower_omp): Always run but take the short way out if -fopenmp
7356         is not given.
7357         (gate_lower_omp): Remove, forcing the pass manager to always run the
7358         pass and always set PROP_gimple_lomp.
7359         (pass_lower_omp): Remove gate function.
7360         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
7361         PROP_trees.  Instead, require it.
7362         * ipa-cp.c (pass_ipa_cp): Likewise.
7363         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
7364         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
7365         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
7366         and PROP_gimple_leh.
7367
7368 2009-04-03  Richard Guenther  <rguenther@suse.de>
7369
7370         PR middle-end/13146
7371         PR tree-optimization/23940
7372         PR tree-optimization/33237
7373         PR middle-end/33974
7374         PR middle-end/34093
7375         PR tree-optimization/36201
7376         PR tree-optimization/36230
7377         PR tree-optimization/38049
7378         PR tree-optimization/38207
7379         PR tree-optimization/38230
7380         PR tree-optimization/38301
7381         PR tree-optimization/38585
7382         PR middle-end/38895
7383         PR tree-optimization/38985
7384         PR tree-optimization/39299
7385         * tree-ssa-structalias.h: Remove.
7386         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
7387         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
7388         (struct vuse_element_d): Remove.
7389         (struct vuse_vec_d): Likewise.
7390         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
7391         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
7392         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
7393         VUSE_ELEMENT_VAR): Likewise.
7394         (struct voptype_d): Likewise.
7395         (NUM_VOP_FREE_BUCKETS): Likewise.
7396         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
7397         (struct stmt_operands_d): Remove.
7398         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
7399         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
7400         VDEF_NUM, VDEF_VECT): Likewise.
7401         (copy_virtual_operands): Remove.
7402         (operand_build_cmp): Likewise.
7403         (create_ssa_artificial_load_stmt): Likewise.
7404         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
7405         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
7406         vuse_index and mayuse_index members.  Pack and move done and iter_type
7407         members to the front.
7408         (SSA_OP_VMAYUSE): Remove.
7409         (SSA_OP_VIRTUAL_USES): Adjust.
7410         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
7411         (unlink_stmt_vdef): Declare.
7412         (add_to_addressable_set): Remove.
7413         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
7414         (vrp_visit_stmt): Likewise.
7415         * doc/tree-ssa.texi (Alias analysis): Update.
7416         * doc/invoke.texi (max-aliased-vops): Remove docs.
7417         (avg-aliased-vops): Likewise.
7418         * tree-into-ssa.c (syms_to_rename): Remove.
7419         (need_to_update_vops_p): Likewise.
7420         (need_to_initialize_update_ssa_p): Rename to ...
7421         (update_ssa_initialized_fn): ... this.  Track function we are
7422         initialized for.
7423         (symbol_marked_for_renaming): Simplify.
7424         (add_new_name_mapping): Do not set need_to_update_vops_p.
7425         (dump_currdefs): Use SYMS_TO_RENAME.
7426         (rewrite_update_stmt): Always walk all uses/defs.
7427         (dump_update_ssa): Adjust.
7428         (init_update_ssa): Take function argument.  Track what we are
7429         initialized for.
7430         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
7431         (create_new_def_for): Initialize for cfun, assert we are initialized
7432         for cfun.
7433         (mark_sym_for_renaming): Simplify.
7434         (mark_set_for_renaming): Do not initialize update-ssa.
7435         (need_ssa_update_p): Simplify.  Take function argument.
7436         (name_mappings_registered_p): Assert we ask for the correct function.
7437         (name_registered_for_update_p): Likewise.
7438         (ssa_names_to_replace): Likewise.
7439         (release_ssa_name_after_update_ssa): Likewise.
7440         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
7441         (dump_decl_set): Do not print a newline.
7442         (debug_decl_set): Do it here.
7443         (dump_update_ssa): And here.
7444         * tree-ssa-loop-im.c (move_computations): Adjust.
7445         (movement_possibility): Likewise.
7446         (determine_max_movement): Likewise.
7447         (gather_mem_refs_stmt): Likewise.
7448         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
7449         or NAME_MEMORY_TAG.
7450         * tree-complex.c (update_all_vops): Remove.
7451         (expand_complex_move): Adjust.
7452         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
7453         Simplify test for memory referencing statement.  Exclude
7454         non-invariant ADDR_EXPRs.
7455         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
7456         * tree-loop-distribution.c (generate_memset_zero): Adjust.
7457         (rdg_flag_uses): Likewise.
7458         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
7459         related code.
7460         (tree_optimize_tail_calls_1): Also split the
7461         edge from the entry block if we have degenerate PHI nodes in
7462         the first basic block.
7463         * tree.c (init_ttree): Remove memory-tag related code.
7464         (tree_code_size): Likewise.
7465         (tree_node_structure): Likewise.
7466         (build7_stat): Re-write to be build6_stat.
7467         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
7468         (SSA_VAR_P): Adjust.
7469         (struct tree_memory_tag): Remove.
7470         (struct tree_memory_partition_tag): Likewise.
7471         (union tree_node): Adjust.
7472         (build7): Re-write to be build6.
7473         * tree-pass.h (pass_reset_cc_flags): Remove.
7474         (TODO_update_address_taken): New flag.
7475         (pass_simple_dse): Remove.
7476         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
7477         * params.h (MAX_ALIASED_VOPS): Remove.
7478         (AVG_ALIASED_VOPS): Likewise.
7479         * omp-low.c (expand_omp_taskreg): Update SSA form.
7480         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
7481         aliases the lhs in a copy stmt.
7482         * tree-ssa-dse.c (struct address_walk_data): Remove.
7483         (memory_ssa_name_same): Likewise.
7484         (memory_address_same): Likewise.
7485         (get_kill_of_stmt_lhs): Likewise.
7486         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
7487         unused stores.  Look through PHI nodes into post-dominated regions.
7488         (dse_optimize_stmt): Simplify.  Properly remove stores.
7489         (tree_ssa_dse): Compute dominators.
7490         (execute_simple_dse): Remove.
7491         (pass_simple_dse): Likewise.
7492         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
7493         gimple_loaded_syms and gimple_stored_syms computation.
7494         * toplev.c (dump_memory_report): Dump alias and pta stats.
7495         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
7496         (vn_reference_eq): Likewise.
7497         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
7498         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
7499         valueize_vuses): Remove.
7500         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
7501         (get_def_ref_stmt_vuse): ... this.
7502         (vn_reference_lookup_2): New function.
7503         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
7504         walking equivalent vuses.  Simplify.
7505         (vn_reference_lookup): Likewise.
7506         (vn_reference_insert): Likewise.
7507         (vn_reference_insert_pieces): Likewise.
7508         (visit_reference_op_call): Simplify.
7509         (visit_reference_op_load): Likewise.
7510         (visit_reference_op_store): Likewise.
7511         (init_scc_vn): Remove shared_lookup_vuses initialization.
7512         (free_scc_vn): Remove shared_lookup_vuses freeing.
7513         (sort_vuses, sort_vuses_heap): Remove.
7514         (get_ref_from_reference_ops): Export.
7515         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
7516         vector with single vuse pointer.
7517         (vn_reference_lookup_pieces, vn_reference_lookup,
7518         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
7519         (shared_vuses_from_stmt): Remove.
7520         (get_ref_from_reference_ops): Declare.
7521         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
7522         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
7523         memory-tag related code.
7524         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
7525         (likely_value): Add comment, skip static-chain of call statements.
7526         (surely_varying_stmt_p): Adjust.
7527         (gimplify_and_update_call_from_tree): Likewise.
7528         (execute_fold_all_builtins): Do not rebuild alias info.
7529         (gimplify_and_update_call_from_tree): Properly update VOPs.
7530         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
7531         (copy_ref_info): Remove memory-tag related code.
7532         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
7533         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
7534         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
7535         computation.
7536         * tree-ssa-dom.c (gimple_p): Remove typedef.
7537         (eliminate_redundant_computations): Adjust.
7538         (record_equivalences_from_stmt): Likewise.
7539         (avail_expr_hash): Likewise.
7540         (avail_expr_eq): Likewise.
7541         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
7542         (stmt_makes_single_load): Likewise.
7543         (stmt_makes_single_store): Likewise.
7544         * tree-ssa-alias.c: Rewrite completely.
7545         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
7546         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
7547         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
7548         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
7549         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
7550         Remove public functions.
7551         (pass_reset_cc_flags): Remove.
7552         (pass_build_alias): Move ...
7553         * tree-ssa-structalias.c (pass_build_alias): ... here.
7554         * tree-ssa-alias.c (may_be_aliased): Move ...
7555         * tree-flow-inline.h (may_be_aliased): ... here.
7556         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
7557         count_uses_and_derefs): Move ...
7558         * gimple.c: ... here.
7559         * gimple.h (count_uses_and_derefs): Declare.
7560         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
7561         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
7562         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
7563         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
7564         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
7565         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
7566         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
7567         New functions.
7568         * tree-dfa.c (refs_may_alias_p): Move ...
7569         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
7570         * tree-ssa-alias.h: New file.
7571         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
7572         (statement_sink_location): Likewise.
7573         * opts.c (decode_options): Do not adjust max-aliased-vops or
7574         avg-aliased-vops values.
7575         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
7576         (TV_CALL_CLOBBER): Likewise.
7577         (TV_FLOW_SENSITIVE): Likewise.
7578         (TV_FLOW_INSENSITIVE): Likewise.
7579         (TV_MEMORY_PARTITIONING): Likewise.
7580         (TV_ALIAS_STMT_WALK): New timevar.
7581         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
7582         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
7583         (get_address_description): Remove memory-tag related code.
7584         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
7585         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
7586         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
7587         and immediate uses in statements.  Document.
7588         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
7589         (dump_symbols): Remove.
7590         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
7591         * alias.c (get_deref_alias_set): New function split out from ...
7592         (get_alias_set): ... here.
7593         * alias.h (get_deref_alias_set): Declare.
7594         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
7595         type parameter.  Remove restrict pointer handling.  Create a
7596         ref-all pointer in case type-based alias sets do not conflict.
7597         (vect_analyze_data_refs): Remove SMT related code.
7598         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
7599         (vectorizable_load): Likewise.
7600         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
7601         (DR_SYMBOL_TAG, DR_VOPS): Remove.
7602         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
7603         Ignore vops and SMTs.
7604         (dr_analyze_alias): Likewise..
7605         (free_data_ref): Likewise.
7606         (create_data_ref): Likewise.
7607         (analyze_all_data_dependences): Likewise.
7608         (get_references_in_stmt): Adjust.
7609         * tree-flow-inline.h (gimple_aliases_computed_p,
7610         gimple_addressable_vars, gimple_call_clobbered_vars,
7611         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
7612         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
7613         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
7614         gimple_mem_ref_stats): Remove.
7615         (gimple_vop): New function.
7616         (op_iter_next_use): Remove vuses and mayuses cases.
7617         (op_iter_next_def): Remove vdefs case.
7618         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
7619         (clear_and_done_ssa_iter): Do not set removed fields.
7620         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
7621         Assert we are not iterating over vuses or vdefs if not also
7622         iterating over uses or defs.
7623         (op_iter_init_use): Likewise.
7624         (op_iter_init_def): Likewise.
7625         (op_iter_next_vdef): Remove.
7626         (op_iter_next_mustdef): Likewise.
7627         (op_iter_init_vdef): Likewise.
7628         (compare_ssa_operands_equal): Likewise.
7629         (link_use_stmts_after): Handle vuse operand.
7630         (is_call_used): Use is_call_clobbered.
7631         (is_call_clobbered): Global variables are always call clobbered,
7632         query the call-clobbers bitmap.
7633         (mark_call_clobbered): Ignore global variables.
7634         (clear_call_clobbered): Likewise.
7635         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
7636         virtual operands sanity check.
7637         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
7638         Remove.
7639         (TARGET_MEM_REF): Remove TMR_TAG operand.
7640         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
7641         Remove call-clobber related code.
7642         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
7643         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
7644         partitions or escape reason.
7645         (get_single_def_stmt, get_single_def_stmt_from_phi,
7646         get_single_def_stmt_with_phi): Remove.
7647         (dump_referenced_vars): Tidy.
7648         (get_ref_base_and_extent): Allow bare decls.
7649         (collect_dfa_stats): Adjust.
7650         * graphite.c (rename_variables_in_stmt): Adjust.
7651         (graphite_copy_stmts_from_block): Likewise.
7652         (translate_clast): Likewise.
7653         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
7654         (EXPR_DIES): New.
7655         (translate_vuse_through_block): Use the oracle.
7656         (phi_translate_1): Adjust.
7657         (value_dies_in_block_x): Use the oracle.  Cache the outcome
7658         in EXPR_DIES.
7659         (valid_in_sets): Check if the VUSE for
7660         a REFERENCE is available.
7661         (eliminate): Do not remove stmts during elimination,
7662         instead queue and remove them afterwards.
7663         (do_pre): Do not rebuild alias info.
7664         (pass_pre): Run TODO_rebuild_alias before PRE.
7665         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
7666         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
7667         (mark_all_v_defs_stmt): Remove.
7668         (mark_all_v_defs_seq): Adjust.
7669         (sra_replace): Likewise.
7670         (scalarize_use): Likewise.
7671         (scalarize_copy): Likewise.
7672         (scalarize_init): Likewise.
7673         (scalarize_ldst): Likewise.
7674         (todoflags): Remove.
7675         (tree_sra): Do not rebuild alias info.
7676         (tree_sra_early): Adjust.
7677         (pass_sra): Run TODO_update_address_taken before SRA.
7678         * tree-predcom.c (set_alias_info): Remove.
7679         (prepare_initializers_chain): Do not call it.
7680         (mark_virtual_ops_for_renaming): Adjust.
7681         (mark_virtual_ops_for_renaming_list): Remove.
7682         (initialize_root_vars): Adjust.
7683         (initialize_root_vars_lm): Likewise.
7684         (prepare_initializers_chain): Likewise.
7685         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
7686         (may_propagate_copy_into_stmt): Likewise.
7687         (merge_alias_info): Do nothing for now.
7688         (propagate_tree_value_into_stmt): Adjust.
7689         (stmt_may_generate_copy): Likewise.
7690         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
7691         not mark symbols for renaming.
7692         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
7693         with the same statement, make sure to update the new pointed-to one.
7694         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
7695         call statements, do not mark symbols for renaming.
7696         (mark_operand_necessary): Dump something.
7697         (ref_may_be_aliased): New function.
7698         (mark_aliased_reaching_defs_necessary_1): New helper function.
7699         (mark_aliased_reaching_defs_necessary): Likewise.
7700         (mark_all_reaching_defs_necessary_1): Likewise.
7701         (mark_all_reaching_defs_necessary): Likewise.
7702         (propagate_necessity): Do not process virtual PHIs.  For
7703         non-aliased loads mark all reaching definitions as necessary.
7704         For aliased loads and stores mark the immediate dominating
7705         aliased clobbers as necessary.
7706         (visited): New global static.
7707         (perform_tree_ssa_dce): Free visited bitmap after propagating
7708         necessity.
7709         (remove_dead_phis): Perform simple dead virtual PHI removal.
7710         (remove_dead_stmt): Properly unlink virtual operands when
7711         removing stores.
7712         (eliminate_unnecessary_stmts): Schedule PHI removal after
7713         stmt removal.
7714         * tree-ssa-ter.c (is_replaceable_p): Adjust.
7715         (process_replaceable): Likewise.
7716         (find_replaceable_in_bb): Likewise.
7717         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
7718         based on the single gimple vop.
7719         (verify_flow_insensitive_alias_info): Remove.
7720         (verify_flow_sensitive_alias_info): Likewise.
7721         (verify_call_clobbering): Likewise.
7722         (verify_memory_partitions): Likewise.
7723         (verify_alias_info): Likewise.
7724         (verify_ssa): Adjust..
7725         (execute_update_addresses_taken): Export.  Update SSA
7726         manually.  Optimize only when optimizing.  Use a local bitmap.
7727         (pass_update_address_taken): Remove TODO_update_ssa, add
7728         TODO_dump_func.
7729         (pass_update_address_taken): Just use TODO_update_address_taken.
7730         (init_tree_ssa): Do not initialize addressable_vars.
7731         (verify_ssa): Verify new VUSE / VDEF properties.
7732         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
7733         Do not call verify_alias_info.
7734         (delete_tree_ssa): Clear the VUSE, VDEF operands.
7735         Do not free the loaded and stored syms bitmaps.  Reset the escaped
7736         and callused solutions.  Do not free addressable_vars.
7737         Remove memory-tag related code.
7738         (warn_uninitialized_var): Aliases are always available.
7739         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
7740         * lambda-code.c (can_put_in_inner_loop): Adjust.
7741         (can_put_after_inner_loop): Likewise.
7742         (perfect_nestify): Likewise.
7743         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
7744         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
7745         (vectorizable_conversion): Do not mark symbols for renaming.
7746         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
7747         (expand_call_inline): Unlink the calls virtual operands before
7748         replacing it.
7749         (tree_function_versioning): Do not call update_ssa if we are not
7750         updating clones.  Simplify.
7751         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
7752         (propagate_with_phi): Likewise..
7753         * tree-outof-ssa.c (create_temp): Remove memory tag and call
7754         clobber code.  Assert we are not aliased or global.
7755         * tree-flow.h: Include tree-ssa-alias.h
7756         (enum escape_type): Remove.
7757         (struct mem_sym_stats_d): Likewise.
7758         (struct mem_ref_stats_d): Likewise.
7759         (struct gimple_df): Add vop member.  Remove global_var,
7760         call_clobbered_vars, call_used_vars, addressable_vars,
7761         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
7762         escaped and callused members.
7763         (struct ptr_info_def): Remove all members, add points-to solution
7764         member pt.
7765         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
7766         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
7767         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
7768         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
7769         (tree-ssa-alias.o): Likewise.
7770         (toplev.o): Add tree-ssa-alias.h
7771         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
7772         * gimple.c (gimple_set_bb): Fix off-by-one error.
7773         (is_gimple_reg): Do not handle memory tags.
7774         (gimple_copy): Also copy virtual operands.
7775         Delay updating the statement.  Do not reset loaded and stored syms.
7776         (gimple_set_stored_syms): Remove.
7777         (gimple_set_loaded_syms): Likewise.
7778         (gimple_call_copy_skip_args): Copy the virtual operands
7779         and mark the new statement modified.
7780         * tree-ssa-structalias.c (may_alias_p): Remove.
7781         (set_uids_in_ptset): Take the alias set to prune with as
7782         parameter.  Fold in the alias test of may_alias_p.
7783         (compute_points_to_sets): Compute whether a ptr is dereferenced
7784         in a local sbitmap.
7785         (process_constraint): Deal with &ANYTHING on the lhs, reject all
7786         other ADDRESSOF constraints on the lhs.
7787         (get_constraint_for_component_ref): Assert that we don't get
7788         ADDRESSOF constraints from the base of the reference.
7789         Properly generate UNKNOWN_OFFSET for DEREF if needed.
7790         (struct variable_info): Remove collapsed_to member.
7791         (get_varinfo_fc): Remove.
7792         (new_var_info): Do not set collapsed_to.
7793         (dump_constraint): Do not follow cycles.
7794         (dump_constraint_graph): Likewise.
7795         (build_pred_graph): Likewise.
7796         (build_succ_graph): Likewise.
7797         (rewrite_constraints): Likewise.
7798         (do_simple_structure_copy): Remove.
7799         (do_rhs_deref_structure_copy): Remove.
7800         (do_lhs_deref_structure_copy): Remove.
7801         (collapse_rest_of_var): Remove.
7802         (do_structure_copy): Re-implement.
7803         (pta_stats): New global variable.
7804         (dump_pta_stats): New function.
7805         (struct constraint_expr): Make offset signed.
7806         (UNKNOWN_OFFSET): Define special value.
7807         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
7808         (solution_set_expand): New helper function split out from ...
7809         (do_sd_constraint): ... here.
7810         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
7811         (do_ds_constraint): Likewise.
7812         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
7813         and CALLUSED = *CALLUSED.
7814         (set_union_with_increment): Make inc argument signed.
7815         (type_safe): Remove.
7816         (get_constraint_for_ptr_offset): Handle unknown and negative
7817         constant offsets.
7818         (first_vi_for_offset): Handle offsets before start.  Bail
7819         out early for offsets beyond the variable extent.
7820         (first_or_preceding_vi_for_offset): New function.
7821         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
7822         Together with ESCAPED = *ESCAPED this properly computes reachability.
7823         (find_what_var_points_to): New function.
7824         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
7825         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
7826         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
7827         pt_solutions_intersect): New functions.
7828         (compute_call_used_vars): Remove.
7829         (compute_may_aliases): New main entry into PTA computation.
7830         * gimple.h (gimple_p): New typedef.
7831         (struct gimple_statement_base): Remove references_memory_p.
7832         (struct gimple_statement_with_memory_ops_base): Remove
7833         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
7834         members.
7835         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
7836         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
7837         gimple_set_references_memory): Remove.
7838         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
7839         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
7840         New functions.
7841         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
7842         (verify_expr): Allow RESULT_DECL.
7843         (gimple_duplicate_bb): Do not copy virtual operands.
7844         (gimple_duplicate_sese_region): Adjust.
7845         (gimple_duplicate_sese_tail): Likewise.
7846         (mark_virtual_ops_in_region): Remove.
7847         (move_sese_region_to_fn): Do not call it.
7848         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
7849         and pass_simple_dse.
7850         (execute_function_todo): Handle TODO_update_address_taken,
7851         call execute_update_addresses_taken for TODO_rebuild_alias.
7852         (execute_todo): Adjust.
7853         (execute_one_pass): Init dump files early.
7854         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
7855         call-clobbered.
7856         (create_general_new_stmt): Clear vops.
7857         * tree-ssa-reassoc.c (get_rank): Adjust.
7858         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
7859         symbols for renaming.
7860         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
7861         (PARAM_AVG_ALIASED_VOPS): Likewise.
7862         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
7863         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
7864         * tree-ssa-operands.c: Simplify for new virtual operand representation.
7865         (operand_build_cmp, copy_virtual_operands,
7866         create_ssa_artificial_load_stmt, add_to_addressable_set,
7867         gimple_add_to_addresses_taken): Remove public functions.
7868         (unlink_stmt_vdef): New function.
7869
7870 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
7871
7872         * config.gcc (powerpc-*-linux*): Merge variants.
7873
7874 2009-04-02  Chao-ying Fu  <fu@mips.com>
7875             James Grosbach  <james.grosbach@microchip.com>
7876
7877         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
7878         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
7879         cop0_sp_offset.
7880         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
7881         keep_interrupts_masked_p, use_debug_exception_return_p.
7882         (mips_attribute_table): Add interrupt, use_shadow_register_set,
7883         keep_interrupts_masked, use_debug_exception_return.
7884         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
7885         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
7886         New functions.
7887         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
7888         (mips_print_operand): Process COP0 registers to print $0 .. $31
7889         correctly for GAS to process.
7890         (mips_interrupt_extra_call_saved_reg_p): New function.
7891         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
7892         extra registers.
7893         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
7894         (mips_compute_frame_info): Add supports for interrupt context that
7895         includes doubleword accumulators and COP0 registers.
7896         (mips_for_each_saved_acc): New function.
7897         (mips_for_each_saved_gpr_and_fpr): Change the function name from
7898         mips_for_each_saved_reg.
7899         (mips_save_reg): Save accumulators.
7900         (mips_kernel_reg_p): A new for_each_rtx callback.
7901         (mips_expand_prologue): Support interrupt handlers.
7902         (mips_restore_reg): Restore accumulators.
7903         (mips_expand_epilogue): Support interrupt handlers.
7904         (mips_can_use_return_insn): Return false for interrupt handlers.
7905         (mips_epilogue_uses): New function.
7906         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
7907         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
7908         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
7909         cop0_move): New instructions.
7910         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
7911         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
7912         defines.
7913         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
7914         New defines.
7915         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
7916         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
7917         interrupt handlers, we use K0 as the temporary register.
7918         (EPILOGUE_USES): Change to a function call.
7919         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
7920         handlers, we use K0 as the temporary register.
7921
7922         * doc/extend.texi (Function Attributes): Document interrupt,
7923         use_shadow_register_set, keep_interrupts_masked,
7924         use_debug_exception_return for MIPS attributes.
7925
7926 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
7927
7928         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
7929         Remove a number of t-files from tmake_file.
7930         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
7931         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
7932         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
7933         target_prototype, not TARGET_PROTOTYPE.
7934         (LINK_OS_GNU_SPEC): Define.
7935         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
7936         and darwin-ldoubdle.c.
7937
7938 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
7939
7940         PR driver/39293
7941         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
7942         (cpp_options): Ditto.
7943         (default_compilers): Ditto.
7944         (display_help): Ditto.
7945         (process_command): Ditto.
7946         (do_spec_1): Ditto.
7947         (set_input): Use lbasename instead of duplicate code.
7948         (save_temps_prefix): New static for -save-temps=obj.
7949         (save_temps_length): Ditto.
7950
7951         * doc/invoke.texi (-save-temps=obj): Document new variant to
7952         -save-temps switch.
7953
7954 2009-04-02  Jeff Law  <law@redhat.com>
7955
7956         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
7957         variable.
7958
7959 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7960
7961         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
7962         * configure: Regenerated.
7963
7964 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7965
7966         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
7967         share the argument list.
7968
7969 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7970
7971         Merge
7972
7973         2009-02-12  Diego Novillo  <dnovillo@google.com>
7974
7975         * varpool.c (debug_varpool): New.
7976         * cgraph.h (debug_varpool): Declare.
7977
7978 2009-04-02  Jan Hubicka  <jh@suse.cz>
7979
7980         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
7981         pass.
7982
7983 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7984
7985         * config/i386/i386.c (ix86_abi): Move initialization to ...
7986         (override_options): Here.
7987
7988 2009-04-02  Christian Bruel  <christian.bruel@st.com>
7989
7990         * config/sh/sh.c (sh_dwarf_register_span): New function.
7991         (TARGET_DWARF_REGISTER_SPAN): Define.
7992         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
7993
7994 2009-04-02  Ira Rosen  <irar@il.ibm.com>
7995
7996         PR tree-optimization/39595
7997         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
7998         interleaved loads group is not  greater than the SLP group size.
7999
8000 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
8001
8002         * builtins.c (is_builtin_name): New.
8003         (called_as_built_in): Use is_builtin_name.
8004         * tree.h (is_builtin_name): New.
8005         * varasm.c (incorporeal_function_p): Use is_builtin_name
8006
8007 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
8008
8009         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
8010
8011 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
8012
8013         PR c++/26693
8014         * c-decl.c (clone_underlying_type): Move this ...
8015         * c-common.c (set_underlying_type): ... here.
8016         Also, make sure the function properly sets TYPE_STUB_DECL() on
8017         the newly created typedef variant type.
8018         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
8019         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
8020         points.
8021
8022 2009-04-02  Richard Guenther  <rguenther@suse.de>
8023
8024         PR tree-optimization/37221
8025         * tree-flow.h (degenerate_phi_result): Declare.
8026         * tree-ssa-dom.c (degenerate_phi_result): Export.
8027         * tree-scalar-evolution.c (analyze_initial_condition): If
8028         the initial condition is defined by a degenerate PHI node
8029         use the degenerate value.
8030
8031 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
8032
8033         PR rtl-optimization/39588
8034         * combine.c (merge_outer_ops): Do not set the constant when this
8035         is not necessary.
8036         (simplify_shift_const_1): Do not modify it either in this case.
8037
8038 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
8039
8040         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
8041         tuning is deprecated if -mtune value is set to an Itanium1 variant.
8042
8043 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
8044
8045         PR c/29027
8046         * c-lex.c (interpret_float): Default (no suffix) is double.
8047
8048 2009-04-1  Xinliang David Li  <davidxl@google.com>
8049
8050         * config/i386/i386.c (legitimate_constant_p): Recognize
8051         all one vector constant.
8052
8053 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8054
8055         * config/vax/vax.c: Add #includes to silence warnings.
8056         Change #include order to silence two warnings.
8057
8058 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8059
8060         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
8061         (ASM_SPEC): Pass -k to the assembler for PIC code.
8062
8063 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8064
8065         * config.gcc: Add vax-*-linux* to the switch.
8066         * config/vax/linux.h: New file. (TARGET_VERSION,
8067         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
8068
8069 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8070
8071         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
8072         Use predicate macros instead of GET_CODE() == foo.
8073         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
8074         ashlsi3, rotrsi3, <unnamed>): Likewise.
8075
8076 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8077
8078         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
8079         jbbccihi, jbbccisi): Remova trailing whitespace.
8080         * config/vax/constraints.md: Likewise.
8081         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
8082         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
8083         * config/vax/predicates.md: Likewise.
8084         * config/vax/vax.c (print_operand_address, vax_output_int_move,
8085         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
8086         * config/vax/vax.h: Likewise.
8087         * config/vax/vax.md (nonlocal_goto): Likewise.
8088
8089 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8090
8091         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
8092         (indirectable_address_p, adjacent_operands_p): Add spaces around
8093         braces.
8094         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
8095
8096 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8097
8098         * config/vax/vax.c (legitimate_constant_address_p,
8099         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
8100         index_term_p, reg_plus_index_p, legitimate_address_p,
8101         vax_mode_dependent_address_p): Update comments to match functions
8102         modified by the recent int->bool conversion.
8103
8104 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8105
8106         * config/vax/builtins.md: Update copyright message.
8107         * config/vax/constraints.md: Likewise.
8108         * config/vax/netbsd-elf.h: Likewise.
8109         * config/vax/predicates.md: Likewise.
8110         * config/vax/vax-protos.h: Likewise.
8111         * config/vax/vax.c: Likewise.
8112         * config/vax/vax.h: Likewise.
8113         * config/vax/vax.md: Likewise.
8114         * config/vax/vax.opt: Likewise.
8115
8116 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
8117
8118         * config/vax/builtins.md (ffssi2, ffssi2_internal,
8119         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
8120         * config/vax/constraints.md (B, R): Likewise.
8121         * config/vax/predicates.md (external_memory_operand,
8122         nonimmediate_addsub_di_operand): Likewise.
8123         * config/vax/vax.c (vax_output_int_add): Likewise.
8124         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
8125         untyped_call): Likewise.
8126
8127 2009-04-01  Matt Thomas  <matt@3am-software.com>
8128
8129         * config/vax/predicates.md: New file.
8130         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
8131         external_const_operand, nonsymbolic_operand, external_memory_operand,
8132         indirect_memory_operand, indexed_memory_operand,
8133         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
8134         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
8135         predicate.
8136         * config/vax/constraints.md: New file.
8137         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
8138         New constraint.
8139         * config/vax/builtins.md: New file.
8140         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
8141         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
8142         jbbccisi): Define.
8143         * config/vax/vax.opt (mqmath): Add option.
8144         * config/vax/vax.md (isfx): Extend with DI.
8145         (VAXintQH, VAXintQHSD): Define.
8146         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
8147         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
8148         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
8149         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
8150         (movdi): Update constraints and use vax_output_int_move().
8151         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
8152         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
8153         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
8154         nonlocal_goto): New.
8155         (mov<mode>): Extend accepted operand types.
8156         (subdi3_old): Rename from subdi3, change update constraints and use
8157         a new implementation.
8158         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
8159         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
8160         MOVE_RATIO, CLEAR_RATIO): Define.
8161         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
8162         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8163         (PRINT_OPERAND): Redefine using a function instead of inlined code.
8164         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
8165         (split_quadword_operands): Make static and really allow variable
8166         splitting.
8167         (print_operand_address): Update for PIC generation.
8168         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
8169         indexable_address_p, fixup_mathdi_operand,
8170         vax_expand_addsub_di_operands, adjacent_operands_p): New.
8171         (vax_float_literal, legitimate_constant_p,
8172         indirectable_constant_address_p, index_term_p,
8173         reg_plus_index_p): Return bool instead of int.
8174         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
8175         where needed.
8176         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
8177         generation.
8178         (vax_output_conditional_branch): Indent.
8179         (legitimate_constant_address_p, indirectable_constant_address_p,
8180         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
8181         vax_mode_dependent_address_p): Return bool instead of int, update for
8182         PIC generation.
8183         * config/vax/vax-protos.h (legitimate_constant_address_p,
8184         legitimate_constant_p, legitimate_address_p,
8185         vax_mode_dependent_address_p): Change declaration to bool.
8186         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
8187         vax_expand_addsub_di_operands, vax_output_int_subtract,
8188         vax_output_movmemsi): Declare.
8189         (split_quadword_operands, vax_float_literal): Delete declaration.
8190         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
8191         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
8192         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
8193         ASM_OUTPUT_DWARF_PCREL): Define.
8194         (ASM_SPEC): Change definition to allow PIC generation.
8195
8196 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
8197
8198         * doc/sourcebuild.texi: Update front-end requirements.
8199
8200 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
8201
8202         PR target/39226
8203         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
8204         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
8205         (booldi3_internal3): Use boolean_or_operator instead of
8206         boolean_operator.
8207
8208 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
8209
8210         PR c/39605
8211         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
8212         declarator whose size is not an integer constant expression but
8213         folds to an integer constant, then treat it as a constant
8214         subsequently.
8215
8216 2009-04-01  Richard Guenther  <rguenther@suse.de>
8217
8218         * fold-const.c (fold_plusminus_mult_expr): Do not fold
8219         i * 4 + 2 to (i * 2 + 1) * 2.
8220
8221 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
8222
8223         PR c/37772
8224         * c-parser.c (c_parser_asm_statement): Skip until close paren and
8225         return if c_parser_asm_string_literal returned NULL.
8226
8227 2009-04-01  Nick Clifton  <nickc@redhat.com>
8228
8229         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
8230         already defined.
8231         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
8232         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
8233         other typedefs to avoid conflicts with libgcc2.c.  Define labels
8234         to gain 16-bit bit-manipulation functions from libgcc2.c and then
8235         include it.
8236         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
8237         to gain 16-bit trapping arithmetic functions from libgcc2.c and
8238         then include it.
8239
8240 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
8241
8242         * varasm.c (default_function_rodata_section): Declare DOT as
8243         const char*.
8244
8245 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
8246             Andrey Galkin  <agalkin@hypercom.com>
8247
8248         PR/39492
8249         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
8250         Make object_name unique for each process.
8251
8252 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
8253
8254         PR other/39591
8255         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
8256         addressable variables in the parallel that could go out of scope while
8257         running queued tasks.
8258
8259 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
8260
8261         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
8262         (CASE_VALUES_THRESHOLD): Redefine.
8263         * config/avr/avr.c (avr_override_options): Remove initialization of
8264         avr_case_values_threshold variable.
8265         (avr_case_values_threshold): Remove variable. Add new function.
8266         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
8267         * config/avr/avr.opt (mno-tablejump): Remove option.
8268         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
8269
8270 2009-04-01  DJ Delorie  <dj@redhat.com>
8271
8272         * varasm.c (default_function_rodata_section): Don't assume
8273         anything about where the first '.' in the section name is.
8274
8275 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
8276
8277         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
8278         rs6000_emit_stack_tie.
8279
8280 2009-03-31  Ian Lance Taylor  <iant@google.com>
8281
8282         * tree-eh.c (tree_remove_unreachable_handlers): Compare
8283         gimple_code with GIMPLE_RESX, not RESX.
8284
8285 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
8286
8287         * c-common.c (c_get_ident): New.
8288         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
8289
8290 2009-04-01  Ben Elliston  <bje@au.ibm.com>
8291
8292         * config/rs6000/sysv4.opt (msdata): Improve option description.
8293
8294 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
8295
8296         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
8297         (divdf3_internal_lat): Remove.
8298         (divxf3_internal_lat): Remove.
8299         (divxf3_internal_thr): Remove.
8300         (divxf): Use divxf3_internal.
8301         * config/ia64/div.md (divsf3_internal_lat): New.
8302         (divdf3_internal_lat): New.
8303         (divxf3_internal): New.
8304
8305 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
8306
8307         PR c/448
8308         * Makefile.in (USE_GCC_STDINT): Define.
8309         (stmp-int-hdrs): Install stdint.h if applicable.
8310         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
8311         if known.
8312         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
8313         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
8314         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
8315         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
8316         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
8317         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
8318         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
8319         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
8320         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
8321         (c_common_nodes_and_builtins): Initialize
8322         underlying_wchar_type_node.  Do not initialize
8323         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
8324         nodes for new types.
8325         (c_stddef_cpp_builtins): Define macros for new types.
8326         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
8327         Remove.
8328         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
8329         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
8330         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
8331         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
8332         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
8333         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
8334         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
8335         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
8336         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
8337         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
8338         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
8339         int16_type_node, int32_type_node, int64_type_node,
8340         uint8_type_node, uint16_type_node, c_uint32_type_node,
8341         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
8342         int_least32_type_node, int_least64_type_node,
8343         uint_least8_type_node, uint_least16_type_node,
8344         uint_least32_type_node, uint_least64_type_node,
8345         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
8346         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
8347         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
8348         uintptr_type_node): Define.
8349         * c-cppbuiltin.c (builtin_define_constants,
8350         builtin_define_type_minmax): New.
8351         (builtin_define_stdint_macros): Define more macros.
8352         (c_cpp_builtins): Define more limit macros.
8353         (type_suffix): New.
8354         (builtin_define_type_max): Define in terms of
8355         builtin_define_type_minmax.  Remove is_long parameter.  All
8356         callers changed.
8357         * config.gcc (use_gcc_stdint): Define.
8358         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
8359         Add newlib-stdint.h for generic targets.
8360         * config/glibc-stdint.h, config/newlib-stdint.h,
8361         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
8362         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
8363         * config/score/score.h (UINTPTR_TYPE): Define.
8364         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
8365         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
8366         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
8367         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
8368         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
8369         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
8370         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
8371         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
8372         * config/spu/spu.h (STDINT_LONG32): Define.
8373         * configure.ac (use_gcc_stdint): Substitute.
8374         * configure: Regenerate.
8375         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
8376         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
8377         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
8378         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
8379         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
8380         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
8381         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
8382         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
8383         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
8384         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
8385         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
8386         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
8387         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
8388         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
8389         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
8390         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
8391         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
8392         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
8393         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
8394         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
8395         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
8396         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
8397         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
8398         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
8399         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
8400         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
8401         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
8402         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
8403         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
8404
8405 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
8406
8407         * loop-iv.c (suitable_set_for_replacement): Renamed from
8408         simplify_using_assignment; changed to return bool and to accept new
8409         args DEST and SRC.  Return true iff we find a source/destination pair
8410         that can be used to make a replacement, and fill SRC and DEST if so.
8411         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
8412         changed.
8413         (simplify_using_initial_values): Deal with altered regs here and track
8414         more precisely the effect they have on the validity of our expression.
8415
8416         * loop-iv.c (simplify_using_condition): A condition of the form
8417         (EQ REG CONST) can be used to simply make a substitution.
8418         (simplify_using_initial_values): Keep track of conditions we have seen
8419         and keep using them to simplify new expressions, while applying the
8420         same substitutions to them as to the expression.
8421
8422         * simplify-rtx.c (simplify_relational_operation_1): Simplify
8423         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
8424         GEU/LTU reversed.
8425
8426         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
8427         changed.  Use this when trying to improve the upper bound.
8428         Generate the comparison by using simplify_gen_relational.
8429
8430         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
8431
8432         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
8433         functions.
8434         (simplify_using_assignment, simplify_using_initial_values): Call
8435         replace_in_expr to make replacements.  Call replace_single_def_regs
8436         once on the initial version of the expression.
8437
8438 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8439
8440         PR target/27237
8441         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
8442
8443 2009-03-31  Richard Guenther  <rguenther@suse.de>
8444
8445         PR middle-end/31029
8446         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
8447         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
8448
8449 2009-03-31  Richard Guenther  <rguenther@suse.de>
8450
8451         * tree.h (div_if_zero_remainder): Declare.
8452         * fold-const.c (div_if_zero_remainder): Export.
8453         * tree-ssa-forwprop.c
8454         (forward_propagate_addr_into_variable_array_index): Handle
8455         constant array index addition outside of the variable index.
8456
8457 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
8458
8459         PR target/39592
8460         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
8461         define_splits, floatunssi<mode>2): Require x87 conversions from
8462         DImode to be permitted.
8463
8464 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
8465
8466         PR preprocessor/15638
8467         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
8468
8469 2009-03-31  Richard Guenther  <rguenther@suse.de>
8470
8471         PR middle-end/23401
8472         PR middle-end/27810
8473         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
8474         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
8475         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
8476         a separate statement.
8477         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
8478         (lookup_tmp_var): Likewise.
8479         (is_gimple_formal_tmp_or_call_rhs): Remove.
8480         (is_gimple_reg_or_call_rhs): Rename to ...
8481         (is_gimple_reg_rhs_or_call): ... this.
8482         (is_gimple_mem_or_call_rhs): Rename to ...
8483         (is_gimple_mem_rhs_or_call): ... this.
8484         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
8485         DECL_GIMPLE_REG_P only if is_formal is true.
8486         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
8487         for non-proper post-modify expression gimplification.
8488         (gimplify_self_mod_expr): For post-modify expressions gimplify
8489         the lvalue to a minimal lvalue.
8490         (rhs_predicate_for): Remove formal temp case.
8491         (gimplify_modify_expr_rhs): Likewise.
8492         (gimplify_addr_expr): Use is_gimple_reg.
8493         (gimplify_expr): Remove formal temp cases.
8494         (gimple_regimplify_operands): Likewise.
8495         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
8496         and FILTER_EXPR like constants.
8497         * gimple.c (walk_gimple_op): Fix val_only initialization, use
8498         is_gimple_reg.
8499         (is_gimple_formal_tmp_rhs): Remove.
8500         (is_gimple_reg_rhs): Remove special casing.
8501         (is_gimple_mem_rhs): Fix.
8502         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
8503         (is_gimple_formal_tmp_var): Remove.
8504         (is_gimple_formal_tmp_reg): Likewise.
8505         (is_gimple_min_lval): Allow invariant component ref parts.
8506         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
8507         is_gimple_formal_tmp_reg): Remove declarations.
8508         * tree-cfg.c (verify_expr): Verify that variables with address
8509         taken do not have DECL_GIMPLE_REG_P set.
8510         * tree-mudflap.c (mf_build_check_statement_for): Use
8511         force_gimple_operand instead of gimplify_expr.
8512
8513 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
8514
8515         * modulo-sched.c (sms_schedule_by_order): Pass the actual
8516         schedulable rows to compute_split_row.
8517
8518 2009-03-31  Ben Elliston  <bje@au.ibm.com>
8519
8520         PR target/31635
8521         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
8522         OPT_mvrsave.
8523
8524 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
8525
8526         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
8527         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
8528         * configure: Regenerate.
8529         * config.in: Regenerate.
8530         * config/rs6000/rs6000.opt (mtls-markers): Add.
8531         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
8532         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
8533         (tls_ld_aix, tls_ld_sysv): Likewise.
8534         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
8535         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
8536
8537 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
8538
8539         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
8540
8541 2009-03-30  Jan Hubicka  <jh@suse.cz>
8542
8543         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
8544         out of RESX.
8545         (tree_remove_unreachable_handlers): Cleanup EH predecestor
8546         detection and label handling.
8547
8548 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
8549
8550         * ira-int.h (ira_allocno): Rename left_conflicts_num to
8551         left_conflicts_size.
8552         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
8553         ALLOCNO_LEFT_CONFLICTS_SIZE.
8554
8555         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
8556         remove_allocno_from_bucket_and_push,
8557         allocno_spill_priority_compare, push_allocnos_to_stack,
8558         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
8559         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
8560         (setup_allocno_left_conflicts_num): Ditto.  Rename to
8561         setup_allocno_left_conflicts_size.
8562         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
8563         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
8564         setup_allocno_left_conflicts_size instead of
8565         setup_allocno_left_conflicts_num.
8566
8567         * ira-build.c (ira_create_allocno): Use
8568         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
8569         ALLOCNO_LEFT_CONFLICTS_NUM.
8570
8571 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
8572
8573         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
8574         instead of DF_LR_OUT.
8575
8576         * ira-lives.c (process_bb_node_lives): Ditto.
8577
8578         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
8579         instead of DF_LR_{OUT,IN}.
8580
8581         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
8582
8583         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
8584
8585 2009-03-30  Jan Hubicka  <jh@suse.cz>
8586
8587         * except.c (label_to_region_map): Fix thinko.
8588
8589 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
8590
8591         PR middle-end/38237
8592         * tree.h (tree_find_value): New declaration.
8593         * tree.c (tree_find_value): New function.
8594         * varasm.c (assemble_external): Avoid duplicate entries on lists.
8595
8596 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
8597
8598         PR debug/39563
8599         * c-decl.c (struct c_binding): Add locus field.
8600         (bind): Add locus argument, set locus field from it.
8601         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
8602         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
8603         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
8604         implicitly_declare, undeclared_variable, lookup_label,
8605         declare_label, c_make_fname_decl, c_builtin_function,
8606         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
8607         bind callers.
8608
8609 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
8610
8611         PR target/38781
8612         * config/i386/i386.c (classify_argument): Check total size of
8613         structure.
8614
8615 2009-03-30  Martin Jambor  <mjambor@suse.cz>
8616
8617         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
8618         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
8619         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
8620         respectively.
8621
8622         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
8623         seen_variable_array_ref while also traversing a union.
8624
8625         * tree-inline.c (optimize_inline_calls): Do not call
8626         cgraph_node_remove_callees.
8627         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
8628         (pass_remove_cgraph_callee_edges): New variable.
8629         * passes.c (init_optimization_passes): Add
8630         pass_remove_cgraph_callee_edges after early inlining and before all
8631         late intraprocedural passes.
8632
8633         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
8634
8635 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8636
8637         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
8638         Fix typos in names.
8639
8640 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8641
8642         * combine.c (simplify_comparison): Use have_insn_for.
8643         * dojump.c (do_jump): Likewise.
8644
8645 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8646
8647         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
8648         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
8649         sparc_compare_op0 like sparc_compare_emitted used to be handled.
8650         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
8651         instead of sparc_compare_emitted.
8652         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
8653         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
8654         instead of sparc_compare_emitted.
8655
8656 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8657
8658         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
8659         enter/exit cfglayout mode.
8660         (pass_partition_block): Require it.
8661         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
8662         (combine_instructions): Track basic blocks instead of labels.
8663         (update_cfg_for_uncondjump): New.
8664         (try_combine): Use it.  Update jumps after rescanning.
8665         (pass_combine): Require PROP_cfglayout.
8666         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
8667
8668 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8669
8670         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
8671         Provide/destroy PROP_cfglayout respectively.
8672         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
8673         * tree-pass.h (PROP_cfglayout): New.
8674
8675 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8676
8677         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
8678         fold_convert_const_fixed_from_fixed,
8679         fold_convert_const_fixed_from_int,
8680         fold_convert_const_fixed_from_real, fold_negate_const): Do not
8681         set TREE_CONSTANT_OVERFLOW.
8682         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
8683         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
8684
8685 2009-03-30  Ira Rosen  <irar@il.ibm.com>
8686
8687         * tree-vect-loop-manip.c: New file.
8688         * tree-vectorizer.c: Update documentation and included files.
8689         (vect_loop_location): Make extern.
8690         (rename_use_op): Move to tree-vect-loop-manip.c
8691         (rename_variables_in_bb, rename_variables_in_loop,
8692         slpeel_update_phis_for_duplicate_loop,
8693         slpeel_update_phi_nodes_for_guard1,
8694         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
8695         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
8696         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
8697         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
8698         find_loop_location): Likewise.
8699         (new_stmt_vec_info): Move to tree-vect-stmts.c.
8700         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
8701         get_vectype_for_scalar_type, vect_is_simple_use,
8702         supportable_widening_operation, supportable_narrowing_operation):
8703         Likewise.
8704         (bb_in_loop_p): Move to tree-vect-loop.c.
8705         (new_loop_vec_info, destroy_loop_vec_info,
8706         reduction_code_for_scalar_code, report_vect_op,
8707         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
8708         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
8709         (vect_supportable_dr_alignment): Likewise.
8710         * tree-vectorizer.h (tree-data-ref.h): Include.
8711         (vect_loop_location): Declare.
8712         Reorganize function declarations according to the new file structure.
8713         * tree-vect-loop.c: New file.
8714         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
8715         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
8716         * tree-vect-data-refs.c: New file.
8717         * tree-vect-patterns.c (timevar.h): Don't include.
8718         * tree-vect-stmts.c: New file.
8719         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
8720         tree-vect-slp.c, tree-vect-loop.c.
8721         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
8722         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
8723         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
8724         (tree-vect-analyze.o): Remove.
8725         (tree-vect-transform.o): Likewise.
8726         (tree-vect-data-refs.o): Add rule.
8727         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
8728         tree-vect-slp.o): Likewise.
8729         (tree-vect-patterns.o): Remove redundant dependencies.
8730         (tree-vectorizer.o): Likewise.
8731         * tree-vect-slp.c: New file.
8732
8733 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8734
8735         * optc-gen.awk: Warn if an option flag has multiple different
8736         help strings.
8737
8738 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
8739
8740         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
8741         -floop-block): Document dependences on PPL, CLooG and Graphite.
8742
8743 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
8744
8745         PR rtl-optimization/323
8746         * c-common.c (c_fully_fold, convert_and_check,
8747         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
8748         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
8749         * c-common.def (EXCESS_PRECISION_EXPR): New.
8750         * c-cppbuiltin.c (builtin_define_float_constants): Define
8751         constants with enough digits for long double.
8752         * c-lex.c (interpret_float): Interpret constant with excess
8753         precision where appropriate.
8754         * c-opts.c (c_common_post_options): Set
8755         flag_excess_precision_cmdline.  Give an error for
8756         -fexcess-precision=standard for C++ for processors where the
8757         option is significant.
8758         * c-parser.c (c_parser_conditional_expression): Handle excess
8759         precision in condition.
8760         * c-typeck.c (convert_arguments): Handle arguments with excess
8761         precision.
8762         (build_unary_op): Move excess precision outside operation.
8763         (build_conditional_expr): Likewise.
8764         (build_compound_expr): Likewise.
8765         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
8766         (build_modify_expr): Handle excess precision in RHS.
8767         (convert_for_assignment): Handle excess precision in converted
8768         value.
8769         (digest_init, output_init_element, process_init_element): Handle
8770         excess precision in initializer.
8771         (c_finish_return): Handle excess precision in return value.
8772         (build_binary_op): Handle excess precision in operands and add
8773         excess precision as needed for operation.
8774         * common.opt (-fexcess-precision=): New option.
8775         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
8776         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
8777         For standard excess precision, output explicit conversion to and
8778         truncation from XFmode.
8779         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
8780         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
8781         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
8782         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
8783         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
8784         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
8785         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
8786         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
8787         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
8788         define_splits, sqrt<mode>2): Disable where appropriate for
8789         standard excess precision.
8790         * convert.c (convert_to_real): Do not shorten arithmetic to type
8791         for which excess precision would be used.
8792         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
8793         * doc/invoke.texi (-fexcess-precision=): Document option.
8794         (-mfpmath=): Correct index entry.
8795         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
8796         flag_excess_precision): New.
8797         * langhooks.c (lhd_post_options): Set
8798         flag_excess_precision_cmdline.
8799         * opts.c (common_handle_option): Handle -fexcess-precision=.
8800         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
8801         init_excess_precision): New.
8802         (lang_dependent_init_target): Call init_excess_precision.
8803         * tree.c (excess_precision_type): New.
8804         * tree.h (excess_precision_type): Declare.
8805
8806 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
8807
8808         PR c/35235
8809         * c-typeck.c (build_component_ref): Do not copy qualifiers from
8810         non-lvalue to component.
8811
8812 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
8813
8814         PR preprocessor/34695
8815         * Makefile.in (c-opts.o): Depend on c-tree.h.
8816         * c-common.c: Move down include of diagnostic.h.
8817         (done_lexing, c_cpp_error): New.
8818         * c-common.h (done_lexing): Declare.
8819         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
8820         (parse_in).
8821         * c-opts.c: Include c-tree.h.
8822         (c_common_init_options): Set preprocessor error callback.
8823         (c_common_handle_option): Do not set preprocessor
8824         inhibit_warnings, warnings_are_errors, warn_system_headers,
8825         pedantic_errors or inhibit_warnings flags.
8826         (c_common_post_options): Do not check cpp_errors (parse_in).
8827         (c_common_finish): Do not output dependencies if there were
8828         errors.  Do not check return value of cpp_finish.
8829         * c-ppoutput.c (pp_file_change): Set input_location.
8830         * c-tree.h (c_cpp_error): Declare.
8831         * diagnostic.c (diagnostic_set_info_translated): Also initialize
8832         override_column.
8833         (diagnostic_build_prefix): Check override_column.
8834         * diagnostic.h (diagnostic_info): Add override_column field.
8835         (diagnostic_override_column): Define.
8836
8837 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
8838
8839         * c-common.c (c_expand_expr, c_staticp): Remove.
8840         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
8841         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
8842         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
8843         * c-gimplify.c (gimplify_compound_literal_expr,
8844         optimize_compound_literals_in_ctor): Remove.
8845         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
8846         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
8847         * c-semantics.c (emit_local_var): Remove.
8848
8849         * langhooks-def.h (lhd_expand_expr): Remove.
8850         * langhooks.c (lhd_expand_expr): Remove.
8851         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
8852
8853         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
8854         handling from c-semantics.c; don't call into langhook.
8855         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
8856         * gimplify.c (gimplify_compound_literal_expr,
8857         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
8858         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
8859         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
8860         as was done in c-gimplify.c.
8861         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
8862         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
8863         Move from c-common.h.
8864         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
8865
8866         * tree.c (staticp): Do not call langhook.
8867         * langhooks.c (lhd_staticp): Delete.
8868         * langhooks-def.h (lhd_staticp): Delete prototype.
8869         (LANG_HOOKS_STATICP): Delete.
8870         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
8871
8872         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
8873         instead of DECL_STMTs.
8874
8875 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
8876
8877         PR c/456
8878         PR c/5675
8879         PR c/19976
8880         PR c/29116
8881         PR c/31871
8882         PR c/35198
8883         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
8884         void_type_node.
8885         (fold_call_expr): Return a NOP_EXPR from folding rather than the
8886         contained expression.
8887         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
8888         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
8889         conditional expressions for C.
8890         (decl_constant_value_for_optimization): Move from
8891         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
8892         whether optimizing and that the expression is a VAR_DECL not of
8893         array type instead of doing such checks in the caller.  Do not
8894         check pedantic.  Call gcc_unreachable for C++.
8895         * c-common.def (C_MAYBE_CONST_EXPR): New.
8896         * c-common.h (c_fully_fold, c_save_expr,
8897         decl_constant_value_for_optimization): New prototypes.
8898         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
8899         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
8900         EXPR_INT_CONST_OPERANDS): Define.
8901         * c-convert.c (convert): Strip nops from expression.
8902         * c-decl.c (groktypename): Take extra parameters expr and
8903         expr_const_operands.  Update call to grokdeclarator.
8904         (start_decl): Update call to grokdeclarator.  Add statement for
8905         expressions used in type of decl.
8906         (grokparm): Update call to grokdeclarator.
8907         (push_parm_decl): Update call to grokdeclarator.
8908         (build_compound_literal): Add parameter non_const and build a
8909         C_MAYBE_COSNT_EXPR if applicable.
8910         (grokdeclarator): Take extra parameters expr and
8911         expr_const_operands.  Track expressions used in declaration
8912         specifiers and declarators.  Fold array sizes and track whether
8913         they are constant expressions and whether they are integer
8914         constant expressions.
8915         (parser_xref_tag): Set expr and expr_const_operands fields in
8916         return value.
8917         (grokfield): Update call to grokdeclarator.
8918         (start_function): Update call to grokdeclarator.
8919         (build_null_declspecs): Set expr and expr_const_operands fields in
8920         return value.
8921         (declspecs_add_type): Handle expressions in typeof specifiers.
8922         * c-parser.c (c_parser_declspecs): Set expr and
8923         expr_const_operands fields for declaration specifiers.
8924         (c_parser_enum_specifier): Likewise.
8925         (c_parser_struct_or_union_specifier): Likewise.
8926         (c_parser_typeof_specifier): Likewise.  Update call to
8927         groktypename.  Fold expression as needed.  Return expressions with
8928         type instead of adding statements.
8929         (c_parser_attributes): Update calls to c_parser_expr_list.
8930         (c_parser_statement_after_labels): Fold expression before passing
8931         to objc_build_throw_stmt.
8932         (c_parser_condition): Fold expression.
8933         (c_parser_asm_operands): Fold expression.
8934         (c_parser_conditional_expression): Use c_save_expr.  Update call
8935         to build_conditional_expr.
8936         (c_parser_alignof_expression): Update call to groktypename.
8937         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
8938         original_code.  Fold expression argument of va_arg.  Create
8939         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
8940         argument to va_arg.  Update calls to groktypename.  Fold array
8941         index for offsetof.  Verify that first argument to
8942         __builtin_choose_expr has integer type.
8943         (c_parser_postfix_expression_after_paren_type): Update calls to
8944         groktypename and build_compound_literal.  Handle expressions with
8945         side effects in type name.
8946         (c_parser_postfix_expression_after_primary): Update call to
8947         c_parser_expr_list.  Set original_code for calls to
8948         __builtin_constant_p.
8949         (c_parser_expr_list): Take extra parameter fold_p.  Fold
8950         expressions if requested.
8951         (c_parser_objc_type_name): Update call to groktypename.
8952         (c_parser_objc_synchronized_statement): Fold expression.
8953         (c_parser_objc_receiver): Fold expression.
8954         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
8955         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
8956         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
8957         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
8958         (struct c_typespec): Add elements expr and expr_const_operands.
8959         (struct c_declspecs): Add elements expr and expr_const_operands.
8960         (groktypename, build_conditional_expr, build_compound_literal):
8961         Update prototypes.
8962         (in_late_binary_op): Declare.
8963         * c-typeck.c (note_integer_operands): New function.
8964         (in_late_binary_op): New variable.
8965         (decl_constant_value_for_broken_optimization): Move to c-common.c
8966         and rename to decl_constant_value_for_optimization.
8967         (default_function_array_conversion): Do not strip nops.
8968         (default_conversion): Do not call
8969         decl_constant_value_for_broken_optimization.
8970         (build_array_ref): Do not fold result.
8971         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
8972         result when operand is a VLA.
8973         (c_expr_sizeof_type): Update call to groktypename.  Handle
8974         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
8975         result when operand names a VLA type.
8976         (build_function_call): Update call to build_compound_literal.
8977         Only fold result for calls to __builtin_* functions.  Strip
8978         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
8979         the function designator.
8980         (convert_arguments): Fold arguments.  Update call to
8981         convert_for_assignment.
8982         (build_unary_op): Handle increment and decrement of
8983         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
8984         decrement earlier.  Fold operand of increment and decrement.
8985         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
8986         built for integer operand.  Wrap returns that are INTEGER_CSTs
8987         without being integer constant expressions or that have integer
8988         constant operands without being INTEGER_CSTs.
8989         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
8990         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
8991         result is an integer constant expression or can be used in
8992         unevaluated parts of one and avoid folding and wrap as
8993         appropriate.  Fold operands before possibly doing -Wsign-compare
8994         warnings.
8995         (build_compound_expr): Wrap result for C99 if operands can be used
8996         in integer constant expressions.
8997         (build_c_cast): Update call to digest_init.  Do not ignore
8998         overflow from casting floating-point constants to integers.  Wrap
8999         results that could be confused with integer constant expressions,
9000         null pointer constants or floating-point constants.
9001         (c_cast_expr): Update call to groktypename.  Handle expressions
9002         included in type name.
9003         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
9004         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
9005         Update calls to convert_for_assignment.
9006         (convert_for_assignment): Take new parameter
9007         null_pointer_constant.  Do not strip nops or call
9008         decl_constant_value_for_broken_optimization.  Set
9009         in_late_binary_op for conversions to boolean.
9010         (store_init_value): Update call to digest_init.
9011         (digest_init): Take new parameter null_pointer_constant.  Do not
9012         call decl_constant_value_for_broken_optimization.  pedwarn for
9013         initializers not constant expressions.  Update calls to
9014         convert_for_assignment.
9015         (constructor_nonconst): New.
9016         (struct constructor_stack): Add nonconst element.
9017         (really_start_incremental_init, push_init_level, pop_init_level):
9018         Handle constructor_nonconst and nonconst element.
9019         (set_init_index): Call constant_expression_warning for array
9020         designators.
9021         (output_init_element): Fold value.  Set constructor_nonconst as
9022         applicable.  pedwarn for initializers not constant expressions.
9023         Update call to digest_init.  Call constant_expression_warning
9024         where constant initializers are required.
9025         (process_init_element): Use c_save_expr.
9026         (c_finish_goto_ptr): Fold expression.
9027         (c_finish_return): Fold return value.  Update call to
9028         convert_for_assignment.
9029         (c_start_case): Fold switch expression.
9030         (c_process_expr_stmt): Fold expression.
9031         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
9032         ensure statement expression is not evaluated in constant expression.
9033         (build_binary_op): Track whether results are integer constant
9034         expressions or may occur in such, disable folding and wrap results
9035         as applicable.  Fold operands for -Wsign-compare warnings unless
9036         in_late_binary_op.
9037         (c_objc_common_truthvalue_conversion): Handle results folded to
9038         integer constants that are not integer constant expressions.
9039         * doc/extend.texi: Document when typeof operands are evaluated,
9040         that condition of __builtin_choose_expr is an integer constant
9041         expression, and more about use of __builtin_constant_p in
9042         initializers.
9043
9044 2009-03-29  Richard Guenther  <rguenther@suse.de>
9045
9046         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
9047         propagate addresses of array references.
9048
9049 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
9050
9051         * regmove.c (perhaps_ends_bb_p): Remove.
9052         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
9053         from INSN and check that the main loop stays within that basic block.
9054         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
9055         (regmove_forward_pass): Split out from regmove_optimize.  Use
9056         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
9057         (regmove_backward_pass): Split out from regmove_optimize.  Use
9058         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
9059         (regmove_optimize): Simplify.
9060
9061 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
9062
9063         PR target/39545
9064         * config/i386/i386.c (classify_argument): Ignore flexible array
9065         member in struct and warn ABI change.
9066
9067 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
9068
9069         * config/i386/i386-protos.h (ix86_agi_dependent): New.
9070
9071         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
9072         (ix86_adjust_cost): Updated.
9073
9074 2009-03-29  Jan Hubicka  <jh@suse.cz>
9075
9076         PR middle-end/28850
9077         * tree-pass.h (pass_cleanup_eh): New function.
9078         (remove_unreachable_regions): Break code handling RTL
9079         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
9080         that can not be reached by runtime.
9081         (can_be_reached_by_runtime): New function.
9082         (label_to_region_map): New function.
9083         (num_eh_regions): New function.
9084         (rtl_remove_unreachable_regions): New function.
9085         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
9086         (remove_eh_region): New function.
9087         * except.h: Include sbitmap and vecprim.
9088         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
9089         num_eh_regions): Declare.
9090         * passes.c (init_optimization_passes): Schedule cleanup_eh.
9091         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
9092         * tree-eh.c (tree_remove_unreachable_handlers): New function.
9093         (tree_empty_eh_handler_p): New function.
9094         (cleanup_empty_eh): New function.
9095         (cleanup_eh): New function.
9096         (pass_cleanup_eh): New function.
9097
9098 2009-03-29  Jan Hubicka  <jh@suse.cz>
9099
9100         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
9101         for removed regions.
9102
9103 2009-03-29  Jan Hubicka  <jh@suse.cz>
9104
9105         * except.c (dump_eh_tree): Dump all datastructures.
9106
9107 2009-03-29  Jan Hubicka  <jh@suse.cz>
9108
9109         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
9110         (duplicate_eh_regions_1): Likewise.
9111         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
9112         vector; call EH verification.
9113         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
9114         Be ready for region being removed.
9115
9116 2009-03-29  Jan Hubicka  <jh@suse.cz>
9117
9118         * bitmap.c (bitmap_last_set_bit): New function.
9119         * bitmap.h (bitmap_last_set_bit): Declare.
9120
9121 2009-03-29  David Ayers  <ayers@fsfe.org>
9122
9123         PR objc/27377
9124         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
9125         by calling objc_compare_types and surpress warnings about
9126         incompatible C pointers that are compatible ObjC pointers.
9127
9128 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
9129
9130         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
9131         call initialize_inline_failed.
9132         (initialize_inline_failed): Move it from here ...
9133         * cgraph.c (initialize_inline_failed): ... to here.
9134         (cgraph_create_edge): Call initialize_inline_failed rather than
9135         setting inline_failed directly.
9136
9137 2009-03-29  Ben Elliston  <bje@au.ibm.com>
9138
9139         PR target/32542
9140         * sysv4.opt (msdata): Improve comment.
9141         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
9142         * sysv4.h (SVR4_ASM_SPEC): Likewise.
9143
9144 2009-03-29  Ben Elliston  <bje@au.ibm.com>
9145
9146         PR target/30451
9147         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
9148         load and store attributes.
9149
9150 2009-03-29  Ben Elliston  <bje@au.ibm.com>
9151
9152         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
9153         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
9154         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
9155         * doc/extend.texi (X86 Built-in Functions): Add index entries for
9156         __builtin_infq and __builtin_huge_valq.
9157
9158 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
9159
9160         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
9161         atmega8m1 devices.
9162         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9163         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
9164
9165 2009-03-28  Xinliang David Li  <davidxl@google.com>
9166
9167         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
9168         (do_dbg_cnt): New function.
9169
9170 2009-03-28  Jan Hubicka  <jh@suse.cz>
9171
9172         Merge from pretty-ipa:
9173
9174         2009-03-27  Jan Hubicka  <jh@suse.cz>
9175
9176         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
9177         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
9178         * passes.c (function_called_by_processed_nodes_p): New.
9179         * ipa-pure-const.c (check_call): Fix handling of operands.
9180         (analyze_function): Dump debug output for skipped bodies.
9181         (local_pure_const): Use function_called_by_processed_nodes_p.
9182         * dwarf2out.c (reference_to_unused): Use output.
9183         * passes.c (do_per_function_toporder): Likewise.
9184
9185         2008-11-12  Jan Hubicka  <jh@suse.cz>
9186
9187         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
9188         * ipa-pure-const.c (funct_state_d): Add can throw field; make
9189         state_set_in_source enum
9190         (check_decl): Ignore memory tags; do not set fake looping flags;
9191         dump diagnostics.
9192         (check_operand, check_tree, check_rhs_var, check_lhs_var,
9193         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
9194         (check_call, analyze_function): Rewrite.
9195         (check_stmt): New.
9196         (add_new_function): Update call of analyze_function.
9197         (generate_summary): Add call of analyze_function.
9198         (propagate): Propagate can_throw; handle state_set_in_source correctly.
9199         (local_pure_const): New function.
9200         (pass_local_pure_const): New pass.
9201         * ipa-inline.c (inline_transform): Set after_inlining.
9202         * tree-eh.c (stmt_can_throw_external): New.
9203         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
9204         work with aliasing built.
9205         * tree-flow.h (stmt_can_throw_external): New.
9206         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
9207         and local pure/const pass in early and late optimization queue.
9208
9209 2009-03-28  Martin Jambor  <mjambor@suse.cz>
9210
9211         * fold-const.c (get_pointer_modulus_and_residue): New parameter
9212         allow_func_align.
9213         (fold_binary): Allow function decl aligment consideration is the
9214         second argument is integer constant one.
9215         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
9216         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
9217         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
9218
9219 2009-03-28  Jan Hubicka  <jh@suse.cz>
9220
9221         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
9222         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
9223         * function.h (rtl_data): Add nothrow flag.
9224         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
9225         set DECL_NOTHROW for AVAILABLE functions.
9226
9227 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
9228
9229         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
9230         following vector keyword has expansion starting with pixel or bool
9231         keyword, expand vector to __vector and pixel or bool to __pixel or
9232         __bool.
9233
9234         PR c++/39554
9235         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
9236         warn_if_disallowed_function_p): Removed.
9237         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
9238         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
9239         warning_if_disallowed_function_p.
9240         * flags.h (warn_if_disallowed_function_p,
9241         warn_disallowed_functions): Removed.
9242         * common.opt (Wdisallowed-function-list=): Removed.
9243         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
9244
9245 2009-03-28  Richard Guenther  <rguenther@suse.de>
9246
9247         PR tree-optimization/38723
9248         * tree-ssa-pre.c (compute_avail): Add all default definitions to
9249         the entry block.
9250
9251 2009-03-28  Jan Hubicka  <jh@suse.cz>
9252
9253         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
9254         test introduced by my previous patch.
9255
9256 2009-03-28  Richard Guenther  <rguenther@suse.de>
9257
9258         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
9259         the PHIs value undefined.
9260
9261 2009-03-28  Jan Hubicka  <jh@suse.cz>
9262
9263         * tree-pass.h (pass_fixup_cfg): New pass.
9264         * ipa-inline.c (inline_transform): Set
9265         always_inline_functions_inlined/after_inlining.
9266         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
9267         (pass_fixup_cfg): New pass.
9268         * passes.c (init_optimization_passes): Add fixup_cfg.
9269
9270 2009-03-28  Richard Guenther  <rguenther@suse.de>
9271
9272         PR tree-optimization/38458
9273         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
9274         argument use the arguments copy-of value.
9275
9276 2009-03-28  Richard Guenther  <rguenther@suse.de>
9277
9278         PR tree-optimization/38180
9279         * tree-ssa-ccp.c (get_default_value): Simplify.
9280         (likely_value): Likewise.
9281         (surely_varying_stmt_p): Properly handle VOP case.
9282         (ccp_initialize): Likewise.
9283         (ccp_fold): Handle propagating through *&.
9284         (fold_const_aggregate_ref): Also handle decls.
9285
9286 2009-03-28  Jan Hubicka  <jh@suse.cz>
9287
9288         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
9289         * cgraph.h (cgraph_node): Likewise.
9290         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
9291         (cgraph_reset_node): Use process flag.
9292         (cgraph_mark_functions_to_output): Likewise.
9293         (cgraph_expand_function): Likewise.
9294         (cgraph_expand_all_functions): Likewise.
9295         (cgraph_output_in_order): Likewise.
9296         * dwarf2out.c (reference_to_unused): Likewise.
9297         * passes.c do_per_function_toporder): Likewise.
9298
9299 2009-03-28  Jan Hubicka  <jh@suse.cz>
9300
9301         Bring from lto-branch:
9302
9303         2008-09-03  Doug Kwan  <dougkwan@google.com>
9304
9305         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
9306         enums instead of reason strings.
9307         * cgraph.c (cgraph_create_edge): Same.
9308         (cgraph_inline_failed_string): New function.
9309         * cgraph.h (cgraph_inline_failed_t): New enum type.
9310         (cgraph_inline_failed_string): New prototype.
9311         (struct cgraph_edge): Change type of INLINED_FAILED from constant
9312         char pointer to cgraph_inline_failed_t.
9313         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
9314         (cgraph_default_inline_p): Ditto.
9315         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
9316         to cgraph_inline_failed_t pointer.
9317         * cif-code.def: New file.
9318         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
9319         reason string.
9320         (cgraph_check_inline_limits): Change type of REASON to pointer to
9321         cgraph_inline_failed_t.  Replace reason strings with enums.
9322         (cgraph_default_inline_p): Ditto.
9323         (cgraph_recursive_inlining_p): Ditto.
9324         (update_caller_keys): Change type of FAILED_REASON to
9325         cgraph_inline_failed_t.
9326         (cgraph_set_inline_failed): Change type of REASON to pointer to
9327         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
9328         convert enums to strings for text output.
9329         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
9330         to be of type cgraph_inline_failed_t.  Replace reason strings with
9331         enums.  Call cgraph_inline_failed_string to covert enums
9332         to strings for text output.
9333         (cgraph_decide_inlining): Replace reason strings with enums.
9334         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
9335         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
9336         for text output.
9337         * tree-inline.c (expand_call_inline): Change type of REASON
9338         to cgraph_inline_failed_t.  Replace reason strings with enums.
9339         Call cgraph_inline_failed_string for text output.
9340         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
9341         (cgraph.o): Ditto.
9342
9343 2009-03-28  Jan Hubicka  <jh@suse.cz>
9344
9345         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
9346         cgraph_clone_node): Remove master clone handling.
9347         (cgraph_is_master_clone, cgraph_master_clone): Remove.
9348         * cgraph.h (master_clone): Remove.
9349         (cgraph_is_master_clone, cgraph_master_clone): Remove.
9350         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
9351         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
9352
9353 2009-03-28  Jan Hubicka  <jh@suse.cz>
9354
9355         * cgraph.c (cgraph_function_body_availability): Functions declared
9356         inline are always safe to assume that it is not going to be replaced.
9357
9358 2009-03-28  Richard Guenther  <rguenther@suse.de>
9359
9360         PR tree-optimization/38513
9361         * tree-ssa-pre.c (eliminate): Remove redundant stores.
9362         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
9363         EXC_PTR_EXPR and FILTER_EXPR.
9364         (get_ref_from_reference_ops): Likewise.
9365
9366 2009-03-28  Richard Guenther  <rguenther@suse.de>
9367
9368         PR tree-optimization/38968
9369         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
9370         Use FLOOR_MOD_EXPR to compute misalignment.
9371
9372 2009-03-28  Richard Guenther  <rguenther@suse.de>
9373
9374         PR tree-optimization/37795
9375         * tree.h (combine_comparisons): Declare.
9376         * fold-const.c (combine_comparisons): Export.
9377         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
9378         comparisons.
9379         (ifcombine_iforif): Use combine_comparisons.
9380
9381 2009-03-28  Jan Hubicka  <jh@suse.cz>
9382
9383         * tree-eh.c (inlinable_call_p): New function.
9384         (make_eh_edges): Use it.
9385         (verify_eh_edges): Use it.
9386         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
9387         * except.c (reachable_next_level): Add inlinable_function argument
9388         (sjlj_find_directly_reachable_regions): Update.
9389         (add_reachable_handler): Do not set saw_any_handlers.
9390         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
9391         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
9392         Add new inlinable call parameter.
9393         (can_throw_internal, can_throw_external): Update.
9394         * except.h (can_throw_internal_1, can_throw_external_1,
9395         foreach_reachable_handler): Update declaration.
9396
9397 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
9398
9399         * config/arm/t-arm-coff, config/h8300/coff.h,
9400         config/i386/i386-aout.h, config/i386/i386-coff.h,
9401         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
9402         config/pdp11/2bsd.h, config/rs6000/aix41.h,
9403         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
9404         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
9405         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
9406         sys-types.h: Remove.
9407         * Makefile.in: Remove protoize and fixproto support and references
9408         in comments.
9409         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
9410         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
9411         Remove.
9412         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
9413         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
9414         unprotoize$(exeext).
9415         (rest.encap): Don't depend on $(STMP_FIXPROTO)
9416         (.PHONY): Don't depend on proto.
9417         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
9418         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
9419         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
9420         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
9421         build/gen-protos.o, build/scan.o, xsys-protos.h,
9422         build/fix-header$(build_exeext), build/fix-header.o,
9423         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
9424         stmp-install-fixproto): Remove.
9425         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
9426         SYSCALLS.c or fixproto files.
9427         (install-common): Don't install protoize.
9428         (install-headers-tar, install-headers-cpio, install-headers-cp):
9429         Don't depend on $(STMP_FIXPROTO).
9430         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
9431         install fixproto files or write out fixproto settings.
9432         (uninstall): Don't uninstall protoize.
9433         * config.gcc (use_fixproto): Remove.
9434         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
9435         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
9436         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
9437         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
9438         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
9439         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
9440         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
9441         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
9442         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
9443         * config/t-vxworks (STMP_FIXPROTO): Remove.
9444         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
9445         STMP_FIXPROTO): Remove.
9446         * config.in, configure: Regenerate.
9447         * crtstuff.c (gid_t, uid_t): Don't undefine.
9448         * doc/install.texi: Change m68k-coff to m68k-elf in example.
9449         (arm-*-coff, arm-*-aout: Remove target entries.
9450         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
9451         Remove mention of AIX 4.1.
9452         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
9453         * doc/invoke.texi (Running Protoize): Remove.
9454         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
9455         (Protoize Caveats): Remove.
9456         * tsystem.h: Update comments on headers assumed to exist.
9457
9458 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
9459
9460         * genautomata.c: Add a new year to the copyright.  Add a new
9461         reference.
9462         (struct insn_reserv_decl): Add comments for member bypass_list.
9463         (find_bypass): Remove.
9464         (insert_bypass): New.
9465         (process_decls): Use insert_bypass.
9466         (output_internal_insn_latency_func): Output all bypasses with the
9467         same input insn in one switch case.
9468
9469         * rtl.def (define_bypass): Describe bypass choice.
9470         * doc/md.texi (define_bypass): Ditto.
9471
9472 2009-03-27  Richard Guenther  <rguenther@suse.de>
9473
9474         * gimplify.c (mark_addressable): Export.
9475         * tree-flow.h (mark_addressable): Declare.
9476         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
9477         * tree-ssa.c (verify_phi_args): Verify that address taken
9478         variables have TREE_ADDRESSABLE set.
9479
9480 2009-03-27  Richard Guenther  <rguenther@suse.de>
9481
9482         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
9483         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
9484         Do not mark decls TREE_ADDRESSABLE.
9485         (build_fold_addr_expr): Adjust.
9486         (fold_addr_expr): Remove.
9487         (fold_unary): Use build_fold_addr_expr.
9488         (fold_comparison): Likewise.
9489         (split_address_to_core_and_offset): Likewise.
9490         * coverage.c (tree_coverage_counter_addr): Mark the array decl
9491         TREE_ADDRESSABLE.
9492         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
9493         (gimplify_modify_expr_to_memcpy): Mark source and destination
9494         addressable.
9495         * omp-low.c (create_omp_child_function): Mark the object decl
9496         TREE_ADDRESSABLE.
9497         (lower_rec_input_clauses): Mark the var we take the address of
9498         TREE_ADDRESSABLE.
9499         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
9500
9501 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9502
9503         PR middle-end/39315
9504         * cfgexpand.c (expand_one_stack_var_at): Change alignment
9505         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
9506
9507 2009-03-27  Richard Guenther  <rguenther@suse.de>
9508
9509         PR tree-optimization/39120
9510         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
9511         constraints.
9512         (handle_lhs_call): Process return constraints.  Add escape
9513         constraints if necessary.
9514         (handle_const_call): Fill out return constraints.  Make nested
9515         case more precise.  Avoid consttmp if possible.
9516         (handle_pure_call): Fill out return constraints.  Avoid
9517         callused if possible.
9518         (find_func_aliases): Simplify call handling.
9519
9520 2009-03-27  Richard Guenther  <rguenther@suse.de>
9521
9522         PR tree-optimization/39120
9523         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
9524         as a representative.
9525         (solve_graph): Do propagate CALLUSED.
9526         (handle_pure_call): Use a scalar constraint from CALLUSED for
9527         the return value.
9528         (find_what_p_points_to): CALLUSED shall not appear in poins-to
9529         solutions.
9530
9531 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9532
9533         PR c/39323
9534         * c-common.c (handle_aligned_attribute): Properly check alignment
9535         overflow.  Use (1U << i) instead of (1 << i).
9536
9537         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
9538
9539         * expr.h (get_mem_align_offset): Updated.
9540
9541         * tree.h (tree_decl_common): Change align to "unsigned int" and
9542         move it before pointer_alias_set.
9543
9544 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9545             Jakub Jelinek  <jakub@redhat.com>
9546
9547         PR target/38034
9548         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
9549         gr_register_operand with gr_reg_or_0_operand.
9550         (cmpxchg_rel_di): Likewise.
9551         (sync_lock_test_and_set<mode>): Likewise.
9552
9553 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9554
9555         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
9556         (true_regnum): Likewise.
9557
9558         * rtlanal.c (subreg_info): Moved to ...
9559         * rtl.h (subreg_info): Here.  New.
9560         (subreg_get_info): New.
9561
9562         * rtlanal.c (subreg_get_info): Make it extern.
9563
9564 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9565
9566         PR target/39472
9567         * config/i386/i386.c (ix86_abi): New.
9568         (override_options): Handle -mabi=.
9569         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
9570         (ix86_call_abi_override): Likewise.
9571         (init_cumulative_args): Likewise.
9572         (function_arg_advance): Likewise.
9573         (function_arg_64): Likewise.
9574         (function_arg): Likewise.
9575         (ix86_pass_by_reference): Likewise.
9576         (ix86_function_value_regno_p): Likewise.
9577         (ix86_build_builtin_va_list_abi): Likewise.
9578         (setup_incoming_varargs_64): Likewise.
9579         (is_va_list_char_pointer): Likewise.
9580         (ix86_init_machine_status): Likewise.
9581         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
9582         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
9583         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
9584         (ix86_function_abi): Make it static and return enum calling_abi.
9585         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
9586         with ix86_abi.
9587         (ix86_fn_abi_va_list): Updated.
9588
9589         * config/i386/i386.h (ix86_abi): New.
9590         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
9591         (CONDITIONAL_REGISTER_USAGE): Likewise.
9592         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
9593         (machine_function): Likewise.
9594
9595         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
9596         with ix86_abi.
9597         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
9598         (STACK_BOUNDARY): Likewise.
9599         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
9600
9601         * config/i386/i386.opt (mabi=): New.
9602
9603         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
9604         return enum calling_abi.
9605         (ix86_function_type_abi): Likewise.
9606         (ix86_function_abi): Removed.
9607
9608         * doc/invoke.texi: Document -mabi= option for x86.
9609
9610 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9611
9612         * builtins.c (real_dconstp): Delete.
9613         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
9614
9615 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
9616             Jakub Jelinek  <jakub@redhat.com>
9617
9618         PR debug/37959
9619         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
9620         (gen_subprogram_die): When a function is explicit, generate the
9621         DW_AT_explicit attribute.
9622         * langhooks.h (struct lang_hooks_for_decls): Add
9623         function_decl_explicit_p langhook.
9624         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
9625         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
9626
9627 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
9628
9629         * builtins.c (fold_builtin_memory_op): Optimize memmove
9630         into memcpy if we can prove source and destination don't overlap.
9631
9632         * tree-inline.c: Include gt-tree-inline.h.
9633         (clone_fn_id_num): New variable.
9634         (clone_function_name): New function.
9635         (tree_function_versioning): Use it.
9636         * Makefile.in (GTFILES): Add tree-inline.c.
9637
9638 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
9639
9640         * BASE-VER: Change to 4.5.0.
9641
9642 2009-03-27  Xinliang David Li  <davidxl@google.com>
9643
9644         PR tree-optimization/39557
9645         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
9646
9647 2009-03-27  Xinliang David Li  <davidxl@google.com>
9648
9649         PR tree-optimization/39548
9650         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
9651         candidate check.
9652
9653 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9654
9655         * c-common.c (pointer_int_sum): Use %wd on return from
9656         tree_low_cst.
9657
9658 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9659
9660         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
9661         on return from tree_low_cst.
9662
9663 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9664
9665         PR c++/36799
9666         * ginclude/stdarg.h (va_copy): Define also for
9667         __GXX_EXPERIMENTAL_CXX0X__.
9668
9669 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9670
9671         PR c++/35652
9672         * builtins.h (c_strlen): Do not warn here.
9673         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
9674         * c-common.c (pointer_int_sum): Take an explicit location.
9675         Warn about offsets out of bounds.
9676         * c-common.h (pointer_int_sum): Adjust declaration.
9677
9678 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9679
9680         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
9681         markup glitch.
9682
9683 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
9684
9685         PR c++/39554
9686         * opts.c (warn_if_disallowed_function_p): Don't assume
9687         get_callee_fndecl must return non-NULL.
9688
9689 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
9690
9691         PR rtl-optimization/39522
9692         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
9693         when reg_reloaded_valid is set.
9694
9695 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9696
9697         * config/spu/divv2df3.c: New file.
9698         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
9699         (DPBIT_FUNCS): Filter out _div_df.
9700
9701 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
9702
9703         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
9704         a jump insn, count that jump in the distance to the loop start.
9705
9706 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
9707
9708         PR target/39523
9709         * config/sh/sh.c (calc_live_regs): Fix condition for global
9710         registers except PIC_OFFSET_TABLE_REGNUM.
9711
9712 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
9713
9714         PR/39518
9715         * doc/invoke.texi (-mconsole): New.
9716         (-mcygwin): New.
9717         (-mno-cygwin): New.
9718         (-mdll): New.
9719         (-mnop-fun-dllimport): New.
9720         (-mthread): New.
9721         (-mwin32): New.
9722         (-mwindows): New.
9723         (sub section "i386 and x86-64 Windows Options"): New.
9724
9725 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
9726
9727         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
9728         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
9729
9730 2009-03-25  Richard Guenther  <rguenther@suse.de>
9731
9732         PR middle-end/39497
9733         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
9734         of -Wno-error.
9735
9736 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
9737
9738         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
9739         neither of haifa/selective schedulers are working.
9740
9741 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9742
9743         * doc/invoke.texi (Debugging Options): Fix description of
9744         -fno-merge-debug-strings.
9745
9746 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
9747
9748         * config/cris/libgcc.ver: New version-script.
9749         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
9750
9751         * configure.ac <GAS features, nop mnemonic>: Add pattern
9752         crisv32-*-* for "nop".
9753         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
9754         * configure: Regenerate.
9755
9756 2009-03-24  Ira Rosen  <irar@il.ibm.com>
9757
9758         PR tree-optimization/39529
9759         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
9760         mark_sym_for_renaming for the tag copied to the new vector
9761         pointer.
9762
9763 2009-03-24  Arthur Loiret  <aloiret@debian.org>
9764
9765         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
9766         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
9767         EXTRA_SPEC_FUNCTIONS.
9768         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
9769         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
9770         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
9771         -march and -mtune options.
9772
9773 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
9774
9775         * config/m68k/t-rtems: Add m5329 multilib.
9776
9777 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
9778             Jakub Jelinek  <jakub@redhat.com>
9779
9780         PR debug/39524
9781         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
9782         nodes.
9783
9784 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
9785
9786         PR c/39495
9787         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
9788         instead of c_parser_expression_conv, if original_code isn't one of the
9789         4 allowed comparison codes, fail.
9790
9791 2009-03-23  Richard Guenther  <rguenther@suse.de>
9792
9793         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
9794         * tree.h (struct tree_type): Likewise.
9795         * reload.h (struct insn_chain): Likewise.
9796         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
9797         * function.h (struct function): Likewise.
9798         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
9799
9800 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
9801
9802         PR tree-optimization/39516
9803         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
9804
9805 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
9806
9807         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
9808         should be set true if BITS_PER_WORD of target is bigger than 32
9809
9810 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
9811
9812         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
9813         Translate -B-options to -rpath-link.  Correct existing
9814         rpath-link and conditionalize on !nostdlib.
9815
9816 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9817
9818         * doc/extend.texi (Function Attributes, Variable Attributes):
9819         Fix typos.
9820         * doc/invoke.texi (Debugging Options, Optimize Options)
9821         (i386 and x86-64 Options, MCore Options): Likewise.
9822
9823 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
9824
9825         PR debug/37890
9826         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
9827         it for block local namespace aliases.
9828         (gen_decl_die): Pass context_die to gen_namespace_die.
9829
9830 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
9831
9832         PR c/39495
9833         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
9834         minimum or maximum value.
9835
9836 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
9837
9838         * reginfo.c (globalize_reg): Recompute derived reg sets.
9839
9840 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
9841
9842         PR target/39063
9843         * libgcc2.c (mprotect): Do not use signed arguments for
9844         VirtualProtect, use DWORD arguments.  Also fix the 'may
9845         be used uninitialized' warning for the np variable.
9846
9847 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
9848
9849         PR target/39496
9850         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
9851         functions using regparm calling conventions when not optimizing.
9852         (ix86_function_sseregparm): Similarly for sseregparm calling
9853         conventions.
9854
9855 2009-03-19  Li Feng  <nemokingdom@gmail.com>
9856
9857         PR middle-end/39500
9858         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
9859         dependence if the first conflict is after niter iterations.
9860
9861 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
9862
9863         PR middle-end/38609
9864         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
9865         functions with dynamic stack-pointer adjustments.
9866
9867 2009-03-19  Ben Elliston  <bje@au.ibm.com>
9868
9869         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
9870         option; change to -msdata=data.
9871
9872 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9873
9874         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
9875         and -fopenmp.
9876
9877 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
9878
9879         PR target/35180
9880         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
9881
9882 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
9883
9884         * doc/invoke.texi (Code Gen Options): Expand discussion of
9885         -fno-common.
9886
9887 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
9888
9889         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
9890         * matrix-reorg.c (struct matrix_info): Likewise.
9891         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
9892         * rtl.h (struct mem_attrs): Likewise.
9893         * df.h (struct df): Likewise.
9894         * tree-data-ref.h (struct data_dependence_relation): Likewise.
9895         * ira-int.h (struct ira_allocno): Likewise.
9896         * df-scan.c (struct df_collection_rec): Likewise.
9897         * ira.c (struct equivalence): Likewise.
9898         * function.c (struct temp_slot): Likewise.
9899         * cfgloop.h (struct loop): Likewise.
9900
9901         PR debug/39485
9902         * function.c (use_register_for_decl): When not optimizing, disregard
9903         register keyword for variables with types containing methods.
9904
9905 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
9906
9907         PR middle-end/39447
9908         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
9909         (is_simple_operand): Call contains_component_ref_p before calling data
9910         reference analysis that would fail on COMPONENT_REFs.
9911
9912         * tree-vrp.c (search_for_addr_array): Fix formatting.
9913
9914 2009-03-18  Richard Guenther  <rguenther@suse.de>
9915
9916         * tree-vect-transform.c (vect_loop_versioning): Fold the
9917         generated comparisons.
9918         * tree-vectorizer.c (set_prologue_iterations): Likewise.
9919         (slpeel_tree_peel_loop_to_edge): Likewise.
9920
9921 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9922
9923         PR middle-end/37805
9924         * opts.c (print_specific_help): In addition to `undocumented',
9925         accept `separate' and `joined' flags if passed alone.  Describe
9926         output by the first matched one of those.
9927         (common_handle_option): Skip over empty strings.
9928         * gcc.c (display_help): Fix help string for `--help='.
9929         * doc/invoke.texi (Option Summary, Overall Options): With
9930         `--help=', classes and qualifiers can both be repeated, but
9931         only the latter can be negated.  One should not pass only
9932         negated qualifiers.  Fix markup and examples.
9933
9934         Revert
9935         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
9936         PR middle-end/37805
9937         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
9938         and -fhelp=separate.
9939
9940 2009-03-17  Jing Yu  <jingyu@google.com>
9941
9942         PR middle-end/39378
9943         * function.h (struct rtl_data): Move is_thunk from here...
9944         (struct function): ...to here.
9945         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
9946         * varasm.c (assemble_start_function): Change is_thunk from crtl to
9947         cfun.
9948         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
9949         cfun.
9950         (alpha_does_function_need_gp, alpha_start_function): Likewise.
9951         (alpha_output_function_end_prologue): Likewise.
9952         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
9953         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
9954         (rs6000_output_function_epilogue): Likewise.
9955         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
9956
9957 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
9958
9959         PR target/39482
9960         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
9961         from different units in a single alternative.
9962         (*truncdfsf_i387): Ditto.
9963         (*truncxfsf2_mixed): Ditto.
9964         (*truncxfdf2_mixed): Ditto.
9965
9966 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
9967
9968         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
9969         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
9970
9971         PR debug/39474
9972         * tree-ssa-live.c (remove_unused_locals): Don't remove local
9973         unused non-artificial variables when not optimizing.
9974
9975         PR debug/39471
9976         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
9977         DW_TAG_imported_module even if decl is IMPORTED_DECL with
9978         NAMESPACE_DECL in its DECL_INITIAL.
9979
9980         PR middle-end/39443
9981         * optabs.c (set_user_assembler_libfunc): New function.
9982         * expr.h (set_user_assembler_libfunc): New prototype.
9983         * c-common.c: Include libfuncs.h.
9984         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
9985         for memcmp, memset, memcpy, memmove and abort.
9986         * Makefile.in (c-common.o): Depend on libfuncs.h.
9987
9988         PR debug/39412
9989         * dwarf2out.c (gen_inlined_enumeration_type_die,
9990         gen_inlined_structure_type_die, gen_inlined_union_type_die,
9991         gen_tagged_type_instantiation_die): Removed.
9992         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
9993         do nothing.
9994
9995 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
9996
9997         PR testsuite/38526
9998         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
9999         its use.
10000         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
10001         (check-parallel-%): Ditto.
10002         (check-consistency): Ditto.
10003
10004 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
10005
10006         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
10007         local variable rhs by NULL_TREE.
10008
10009 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
10010
10011         PR target/39477
10012         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
10013
10014 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
10015
10016         PR target/39476
10017         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
10018
10019 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
10020
10021         PR target/39473
10022         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
10023         for ms->sysv ABI calls only in 64bit mode.
10024
10025         * config/i386/i386.md (untyped_call): Support 32bit.
10026
10027 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
10028
10029         * doc/extend.texi: Replace x86_65 with x86_64.
10030
10031 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
10032
10033         PR tree-optimization/39455
10034         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
10035         mismatches for POINTER_TYPE_P (type).
10036         (number_of_iterations_le): Likewise.
10037
10038 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
10039
10040         * config/picochip/picochip.c: Removed profiling support.
10041         * config/picochip/picochip.md: Removed profiling instruction.
10042         * config/picochip/picochip.h: Removed profiling builtin.
10043
10044 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
10045
10046         * doc/install.texi (--with-host-libstdcxx): Document.
10047
10048 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
10049
10050         PR target/34299
10051         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
10052         generate a warning if the function name does not begin with
10053         "__vector" and the function has either the 'signal' or 'interrupt'
10054         attribute, from here to ...
10055         (avr_declare_function_name): ...here. New function.
10056         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
10057         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
10058
10059 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
10060
10061         PR bootstrap/39454
10062         * cse.c (fold_rtx): Don't modify original const_arg1 when
10063         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
10064         separate variable instead.
10065         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
10066         from out of range shift counts.
10067         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
10068
10069 2009-03-13  Catherine Moore  <clm@codesourcery.com>
10070
10071         * config/i386/x-mingw32 (host-mingw32.o): Replace
10072         diagnostic.h with $(DIAGNOSTIC_H).
10073
10074 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
10075
10076         PR target/39431
10077         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
10078         predicate.
10079         * config/i386/sync.md (sync_compare_and_swap<mode>,
10080         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
10081         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
10082         into a register.
10083         (sync_double_compare_and_swapdi_pic,
10084         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
10085         cmpxchg8b_pic_memory_operand instead of just memory_operand.
10086
10087 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
10088
10089         PR target/39445
10090         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
10091
10092 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
10093
10094         PR target/39327
10095         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
10096         (avx_addsubv4df3): Likewise.
10097         (*avx_addsubv4sf3): Likewise.
10098         (sse3_addsubv4sf3): Likewise.
10099
10100 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
10101
10102         PR target/38824
10103         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
10104
10105 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
10106
10107         PR debug/39432
10108         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
10109         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
10110         registers for allocnos created from user-defined variables.
10111
10112 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10113
10114         PR target/39181
10115         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
10116         of non-integer mode as well.
10117
10118 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
10119
10120         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
10121         for functions for which the parameter types are unknown.
10122
10123 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
10124
10125         PR target/39137
10126         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
10127         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
10128         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
10129         * config/i386/i386.c (ix86_local_alignment): For
10130         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
10131         long long variables on the stack to avoid dynamic realignment.
10132         Allow the first argument to be a decl rather than type.
10133         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
10134
10135 2009-03-11  Nick Clifton  <nickc@redhat.com>
10136
10137         PR target/5362
10138         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
10139         options.
10140         Add description to mno-lsim option.
10141         * config/mcore/mcore.h: Remove comment about deprecated m4align
10142         option.
10143         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
10144         * doc/invoke.texi: Add description of mno-lsim and
10145         mstack-increment options.
10146
10147         * config/fr30/fr30.opt: Document the -mno-lsim option.
10148         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
10149         and -mno-lsim options.
10150
10151 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10152
10153         * fold-const.c (fold_comparison): Only call fold_inf_compare
10154         if the mode supports infinities.
10155
10156 2009-03-11  Jason Merrill  <jason@redhat.com>
10157
10158         PR debug/39086
10159         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
10160         end already did.  Notice GIMPLE_CALL modifications of the result.
10161         Don't copy debug information from an ignored decl or a decl from
10162         another function.
10163
10164 2009-03-10  Richard Guenther  <rguenther@suse.de>
10165             Nathan Froyd  <froydnj@codesourcery.com>
10166
10167         PR middle-end/37850
10168         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
10169         (__divMODE3): Likewise.
10170
10171 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
10172
10173         PR tree-optimization/39394
10174         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
10175         DECL_SIZE_UNIT of variable length FIELD_DECLs.
10176
10177 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10178
10179         * recog.c (verfiy_changes): Disallow renaming of hard regs in
10180         inline asms for register asm ("") declarations.
10181
10182 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
10183
10184         * fold-const.c (fold_unary): Fix comment.
10185
10186 2009-03-07  Jan Hubicka  <jh@suse.cz>
10187
10188         PR target/39361
10189         * tree-inline.c (setup_one_parameter): Do replacement of const
10190         argument by constant in SSA form.
10191
10192 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10193
10194         PR middle-end/38028
10195         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
10196         determine alignment passed to assign_stack_local.
10197         (assign_parms_unsplit_complex): Likewise.
10198         * except.c (sjlj_build_landing_pads): Likewise.
10199
10200 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
10201
10202         PR middle-end/39360
10203         * tree-flow.h (add_referenced_var): Return bool instead of void.
10204         * tree-dfa.c (add_referenced_var): Return result of
10205         referenced_var_check_and_insert call.
10206         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
10207         of referenced_var_check_and_insert.
10208
10209         PR debug/39372
10210         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
10211         (gen_variable_die): Emit DW_AT_location on abstract static variable's
10212         DIE, don't emit it if abstract origin already has it.
10213         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
10214         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
10215
10216 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
10217
10218         * genpreds.c (needs_variable): Fix parentheses at variable name
10219         detection.
10220         (write_tm_constrs_h): Indent generated code.
10221
10222 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10223
10224         * doc/extend.texi (Function Attributes): Add documentation
10225         for isr attributes.
10226
10227 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
10228
10229         PR debug/39387
10230         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
10231         take locus from its DECL_SOURCE_LOCATION instead of input_location.
10232
10233 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
10234
10235         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
10236         the loop as bad.
10237
10238 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
10239
10240         PR debug/39379
10241         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
10242         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
10243
10244 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
10245
10246         * config/i386/i386.md (R8_REG, R9_REG): New constants.
10247         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
10248         constants instead of magic numbers.
10249         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
10250         (QI_REG_P): Ditto.
10251         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
10252         (x86_64_ms_abi_int_parameter_registers): Ditto.
10253         (x86_64_int_return_registers): Ditto.
10254         (ix86_maybe_switch_abi): Ditto.
10255         (ix86_expand_call): Ditto for clobbered_registers array.
10256         (ix86_hard_regno_mode_ok): Ditto.
10257         (x86_extended_QIreg_mentioned_p): Ditto.
10258
10259 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
10260
10261         PR tree-optimization/39349
10262         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
10263
10264         * combine.c (gen_lowpart_for_combine): Use omode when generating
10265         clobber.
10266
10267 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
10268
10269         PR rtl-optimization/39235
10270         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
10271
10272 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
10273
10274         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
10275
10276 2009-03-04  Richard Guenther  <rguenther@suse.de>
10277
10278         PR tree-optimization/39362
10279         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
10280         that occur in abnormal PHIs should be varying.
10281
10282 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
10283
10284         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
10285         Extend comments.
10286         (simple_iv):  Take loop as an argument instead of statement.
10287         * tree-scalar-evolution.h (simple_iv): Declaration changed.
10288         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
10289         to simple_iv.
10290         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
10291         Ditto.
10292         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
10293         * matrix-reorg.c (analyze_transpose): Ditto.
10294         * tree-data-ref.c (dr_analyze_innermost): Ditto.
10295         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
10296         * tree-predcom.c (ref_at_iteration): Ditto.
10297         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
10298
10299 2009-03-04  Richard Guenther  <rguenther@suse.de>
10300
10301         PR tree-optimization/39358
10302         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
10303         escaped_id and callused_id.
10304         (solve_graph): Likewise.
10305
10306 2009-03-04  Richard Guenther  <rguenther@suse.de>
10307
10308         PR tree-optimization/39339
10309         * tree-sra.c (try_instantiate_multiple_fields): Make it
10310         no longer ICE on the above.
10311
10312 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
10313
10314         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
10315         that fits within Pmode.
10316
10317 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
10318
10319         PR middle-end/10109
10320         * tm.texi (LIBCALL_VALUE): Update description.
10321
10322 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
10323
10324         PR middle-end/34443
10325         * doc/extend.texi (section): Update description.
10326
10327 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
10328
10329         PR middle-end/39345
10330         * tree-inline.c (remapped_type): New.
10331         (can_be_nonlocal): Call remapped_type instead of remap_type.
10332
10333 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
10334
10335         PR fortran/39354
10336         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
10337         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
10338
10339 2009-03-03  Richard Guenther  <rguenther@suse.de>
10340
10341         PR middle-end/39272
10342         * tree.c (tree_nonartificial_location): New function.
10343         * tree.h (tree_nonartificial_location): Declare.
10344         * builtins.c (expand_builtin_memory_chk): Provide location
10345         of the call location for artificial function pieces.
10346         (maybe_emit_chk_warning): Likewise.
10347         (maybe_emit_sprintf_chk_warning): Likewise.
10348         (maybe_emit_free_warning): Likewise.
10349         * expr.c (expand_expr_real_1): Likewise.
10350
10351 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
10352
10353         PR tree-optimization/39343
10354         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
10355         COMPONENT_REF t has ARRAY_TYPE.
10356
10357 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
10358
10359         PR middle-end/39335
10360         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
10361         when the type precision of the induction variable should be
10362         larger than the type precision of nit.
10363         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
10364         * graphite.c (graphite_loop_normal_form): Same.
10365         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
10366
10367 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
10368
10369         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
10370         (*call_1_rex64_ms_sysv): Use named constants instead of magic
10371         numbers to describe clobbered registers.
10372         (*call_value_0_rex64_ms_sysv): Ditto.
10373         * config/i386/mmx.md (mmx_emms): Ditto.
10374         (mmx_femms): Ditto.
10375
10376 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
10377
10378         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
10379         of ABI_64.
10380
10381 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10382
10383         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
10384         (spu_section_type_flags): New function.
10385
10386 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
10387
10388         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
10389         reg_class_contents of FLOAT_REGS into a temporary.
10390
10391 2009-03-02  Richard Guenther  <rguenther@suse.de>
10392             Ira Rosen  <irar@il.ibm.com>
10393
10394         PR tree-optimization/39318
10395         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
10396         information to the vectorized statement.
10397
10398 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
10399
10400         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
10401         variable.  Use defined names instead of magic constants for REX SSE
10402         registers.
10403
10404 2009-03-01  Richard Guenther  <rguenther@suse.de>
10405
10406         PR tree-optimization/39331
10407         * omp-low.c (lower_send_shared_vars): Do not receive new
10408         values for the reference of DECL_BY_REFERENCE parms or results.
10409
10410 2009-03-01  Jan Hubicka  <jh@suse.cz>
10411
10412         PR debug/39267
10413         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
10414         BLOCK_NONLOCALIZED_VAR): New macros.
10415         (tree_block): Add nonlocalized_vars.
10416         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
10417         gen_decl_die): Add origin argument.  Allow generation of die with
10418         origin at hand only.
10419         (gen_member_die, gen_type_die_with_usage, force_decl_die,
10420         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
10421         of gen_*.
10422         (gen_block_die): Fix checking for unused blocks.
10423         (process_scope_var): Break out from .... ; work with origins only.
10424         (decls_for_scope) ... here; process nonlocalized list.
10425         (dwarf2out_ignore_block): Look for nonlocalized vars.
10426         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
10427         vars.
10428         (dump_scope_block): Dump them.
10429         * tree-inline.c (remap_decls): Handle nonlocalized vars.
10430         (remap_block): Likewise.
10431         (can_be_nonlocal): New predicate.
10432         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
10433
10434 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10435
10436         * configure: Regenerate.
10437
10438 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10439
10440         * optc-gen.awk: No need to duplicate option flags twice.
10441         Reuse help texts for duplicate options which do not have any.
10442
10443         * gcc.c (display_help): Document --version.
10444
10445         * gcc.c (main): If print_help_list and verbose_flag, ensure
10446         driver output comes before subprocess output.
10447
10448         * optc-gen.awk: Assign all remaining fields to help string,
10449         space-separated, for multi-line help in *.opt.
10450
10451         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
10452         -Wno-pedantic-ms-format is for MinGW targets only.
10453
10454         * doc/options.texi (Option file format): Fix bad indentation,
10455         restoring dropped sentence.
10456
10457 2009-02-28  Jan Hubicka  <jh@suse.cz>
10458
10459         * tree-inline.c (tree_function_versioning): Output debug info.
10460
10461 2009-02-28  Jan Hubicka  <jh@suse.cz>
10462
10463         PR debug/39267
10464         * tree-inline.c (setup_one_parameter): Do not copy propagate
10465         arguments when not optimizing.
10466
10467 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
10468
10469         PR target/39327
10470         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
10471         (avx_addsubv4df3): Likewise.
10472         (*avx_addsubv4sf3): Likewise.
10473         (sse3_addsubv4sf3): Likewise.
10474         (*avx_addsubv2df3): Likewise.
10475         (sse3_addsubv2df3): Likewise.
10476         (avx_unpckhps256): Correct item selectors.
10477         (avx_unpcklps256): Likewise.
10478         (avx_unpckhpd256): Likewise.
10479         (avx_unpcklpd256): Likewise.
10480
10481 2009-02-28  Jan Hubicka  <jh@suse.cz>
10482
10483         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
10484         static vars.
10485         (copy_arguments_for_versioning): If var is declared don't declare it.
10486         (tree_function_versioning): First setup substitutions and then copy
10487         args.
10488
10489 2009-02-27  Jan Hubicka  <jh@suse.cz>
10490
10491         PR debug/39267
10492         * cgraph.h (varpool_output_debug_info): Remove.
10493         * cgraphunit.c (varpool_output_debug_info): Remove.
10494         * dwarf2out.c (deferred_locations_struct): New struct
10495         (deferred_locations): New type.
10496         (deferred_locations_list): New static var.
10497         (deffer_location): New function.
10498         (gen_variable_die): Use it.
10499         (decls_for_scope): Output info on local static vars.
10500         (dwarf2out_finish): Process deferred locations.
10501         * varpool.c (varpool_output_debug_info): Remove.
10502
10503 2009-02-27  Jan Hubicka  <jh@suse.cz>
10504
10505         PR debug/39267
10506         * tree.h (TREE_PROTECTED): Fix comment.
10507         (BLOCK_HANDLER_BLOCK): Remove.
10508         (struct tree_block): Remove handler_block add body_block.
10509         (inlined_function_outer_scope_p): New.
10510         (is_body_block): Remove.
10511         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
10512         * dwarf2out.c (is_inlined_entry_point): Remove.
10513         (add_high_low_attributes): Use inlined_function_outer_scope_p.
10514         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
10515         code.
10516         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
10517         * gimplify.c (gimplify_expr): Gimplify body blocks.
10518         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
10519         block with multiple subblocks.
10520         (dump_scope_block): Prettier output; dump more flags and info.
10521         (dump_scope_blocks): New.
10522         (remove_unused_locals): Use dump_scope_blocks.
10523         * tree-flow.h (dump_scope_blocks): Declare.
10524         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
10525         * stmt.c (is_body_block): Remove.
10526         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
10527         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
10528
10529 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
10530
10531         PR middle-end/39308
10532         * graphite.c (graphite_loop_normal_form): Do not call
10533         number_of_iterations_exit from a gcc_assert.
10534
10535 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10536
10537         * config/s390/s390.c (s390_swap_cmp): Look for conditional
10538         jumps if COND is NULL.
10539         (find_cond_jump): New function.
10540         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
10541         * config/s390/s390.md: Remove z10_cobra attribute value.
10542
10543 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
10544
10545         * config/alpha/alpha.h (alpha_expand_mov): Return false if
10546         force_const_mem returns NULL_RTX.
10547
10548 2009-02-26  Jan Hubicka  <jh@suse.cz>
10549
10550         PR debug/39267
10551         * cgraph.h (varpool_output_debug_info): Remove.
10552         * cgraphunit.c (varpool_output_debug_info): Remove.
10553         * dwarf2out.c (deferred_locations_struct): New struct
10554         (deferred_locations): New type.
10555         (deferred_locations_list): New static var.
10556         (deffer_location): New function.
10557         (gen_variable_die): Use it.
10558         (decls_for_scope): Output info on local static vars.
10559         (dwarf2out_finish): Process deferred locations.
10560         * varpool.c (varpool_output_debug_info): Remove.
10561
10562 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
10563
10564         PR rtl-optimization/39241
10565         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
10566         to subreg_offset_representable_p.
10567
10568 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
10569
10570         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
10571         execute function prototype.  Get f and nregs from max_reg_num
10572         and get_insns.  Remove the first backward pass as it's dead,
10573         guard the forward pass by flag_expensive_optimizations.
10574         (rest_of_handle_regmove): Delete.
10575         (pass_regmove): Replace it with regmove_optimize.
10576
10577 2009-02-25  Martin Jambor  <mjambor@suse.cz>
10578
10579         PR tree-optimization/39259
10580         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
10581         calls_alloca function flags.
10582         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
10583         calls are detected.
10584
10585 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
10586
10587         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
10588         flags_set_1_rtx, flags_set_1_set): Delete.
10589         (regmove_optimize): Do not call mark_flags_life_zones.
10590
10591 2009-02-24  Julian Brown  <julian@codesourcery.com>
10592
10593         PR target/35965
10594         * config/arm/arm.c (require_pic_register): Only set
10595         cfun->machine->pic_reg once per function.
10596
10597 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
10598
10599         * doc/invoke.texi (Link Options): Document an easier way to pass
10600         options that take arguments to the GNU linker using -Xlinker and -Wl.
10601
10602 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
10603
10604         PR target/33785
10605         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
10606
10607 2009-02-24  Richard Guenther  <rguenther@suse.de>
10608
10609         PR debug/39285
10610         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
10611
10612 2009-02-24  Richard Guenther  <rguenther@suse.de>
10613             Zdenek Dvorak  <ook@ucw.cz>
10614
10615         PR tree-optimization/39233
10616         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
10617         from converting them to a generic type.
10618
10619 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
10620
10621         PR tree-optimization/39260
10622         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
10623         contains a condition with a real type.
10624         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
10625
10626 2009-02-23  Jason Merrill  <jason@redhat.com>
10627
10628         PR c++/38880
10629         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
10630         narrowing_initializer_constant_valid_p.
10631         (narrowing_initializer_constant_valid_p): Don't return
10632         null_pointer_node for adding a pointer to itself.
10633
10634 2009-02-23  Jan Hubicka  <jh@suse.cz>
10635
10636         PR c/12245
10637         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
10638         resizing.
10639
10640 2009-02-23  Jan Hubicka  <jh@suse.cz>
10641
10642         PR tree-optimization/37709
10643         * tree.c (block_ultimate_origin): Move here from dwarf2out.
10644         * tree.h (block_ultimate_origin): Declare.
10645         * dwarf2out.c (block_ultimate_origin): Move to tree.c
10646         * tree-ssa-live.c (remove_unused_scope_block_p):
10647         Eliminate blocks containig no instructions nor live variables nor
10648         nested blocks.
10649         (dump_scope_block): New function.
10650         (remove_unused_locals): Enable removal of dead blocks by default;
10651         enable dumping at TDF_DETAILS.
10652
10653 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
10654
10655         * config/i386/i386.c (classify_argument): Don't allow COImode
10656         and OImode.
10657         (function_arg_advance_32): Don't allow OImode.
10658         (function_arg_32): Likewise.
10659         (function_value_32): Likewise.
10660         (return_in_memory_32): Likewise.
10661         (function_arg_64): Remove OImode comment.
10662
10663 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
10664
10665         PR target/39261
10666         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
10667         ix86_expand_vector_set for V4DImode in 64bit mode only.
10668         (ix86_expand_vector_init_one_var): Likewise.
10669
10670 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
10671
10672         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
10673
10674 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
10675
10676         PR bootstrap/39257
10677         * loop-iv.c: Revert last change.
10678         * emit-rtl.c: Likewise.
10679
10680 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
10681
10682         PR target/39256
10683         * config/i386/i386.c (type_natural_mode): Remove an extra
10684         space in the warning message.
10685         (function_value_32): Handle 32-byte vector modes.
10686         (return_in_memory_32): Likewise.
10687
10688 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
10689
10690         * loop-iv.c (truncate_value): New function.
10691         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
10692         of lowpart_subreg.
10693         (lowpart_subreg): Move to...
10694         * emit-rtl.c: ...here.
10695
10696 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
10697
10698         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
10699         accidental and undocumented change at revision 140860.
10700
10701 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
10702
10703         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
10704         take gimple_seq * arguments.
10705         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
10706         types_compatible_p langhook.
10707
10708 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
10709             Joseph Myers  <joseph@codesourcery.com>
10710
10711         * config/arm/arm.c (arm_builtin_va_list): New function.
10712         (arm_expand_builtin_va_start): Likewise.
10713         (arm_gimplify_va_arg_expr): Likewise.
10714         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
10715         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
10716         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
10717         (va_list_type): New variable.
10718         (arm_mangle_type): Mangle va_list_type appropriately.
10719
10720 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
10721
10722         PR middle-end/39157
10723         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
10724         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
10725         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
10726         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
10727         parameter to 1000 for -O1 by default.
10728         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
10729         parameter.
10730         * loop-invariant.c: Include params.h.
10731         (move_loop_invariants): Don't call move_single_loop_invariants on
10732         very large loops.
10733
10734 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
10735
10736         * calls.c (emit_library_call_value_1): Use slot_offset instead of
10737         offset when calculating bounds for indexing stack_usage_map.  Fixes
10738         a buffer overflow with certain target setups.
10739
10740 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
10741
10742         PR target/39240
10743         * calls.c (expand_call): Clear try_tail_call if caller and callee
10744         disagree in promotion of function return value.
10745
10746 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
10747
10748         PR target/39175
10749         * c-common.c (c_determine_visibility): If visibility changed and
10750         DECL_RTL has been already set, call make_decl_rtl to update symbol
10751         flags.
10752
10753 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
10754
10755         PR c++/39188
10756         * varasm.c (assemble_variable): Don't check DECL_NAME when
10757         globalizing a variable.
10758
10759 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
10760
10761         PR c/38483
10762         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
10763         expression before any __builtin_trap call.
10764         * c-typeck.c (build_function_call): Convert and check function
10765         arguments before generating a call to a trap.  Evaluate the
10766         function arguments before the trap.
10767
10768 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
10769
10770         PR target/39228
10771         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
10772         (UNSPEC_FXAM_MEM): New unspec.
10773         (fxam<mode>2_i387_with_temp): New insn and split pattern.
10774         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
10775         memory using fxam<mode>2_i387_with_temp to remove excess precision.
10776
10777 2009-02-19  Richard Guenther  <rguenther@suse.de>
10778
10779         PR tree-optimization/39207
10780         PR tree-optimization/39074
10781         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
10782         storedanything_tree): New.
10783         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
10784         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
10785         (build_succ_graph): Add edges from STOREDANYTHING to all
10786         non-direct nodes.
10787         (init_base_vars): Initialize STOREDANYTHING.
10788         (compute_points_to_sets): Free substitution info after
10789         building the succ graph.
10790         (ipa_pta_execute): Likewise.
10791
10792         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
10793         field.
10794         (do_ds_constraint): Do not add to special var or non-pointer
10795         field solutions.
10796         (type_could_have_pointers): Split out from ...
10797         (could_have_pointers): ... here.  For arrays use the element type.
10798         (create_variable_info_for): Initialize may_have_pointers.
10799         (new_var_info): Likewise.
10800         (handle_lhs_call): Make the HEAP variable unknown-sized.
10801         (intra_create_variable_infos): Use a type with pointers for
10802         PARM_NOALIAS, make it unknown-sized.
10803
10804 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
10805
10806         PR target/39224
10807         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
10808
10809 2009-02-18  Jason Merrill  <jason@redhat.com>
10810
10811         PR target/39179
10812         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
10813         value if DECL_EXTERNAL.
10814         * tree-sra.c (sra_walk_gimple_assign): Likewise.
10815         * target.h (gcc_target::binds_local_p): Clarify "module".
10816         * tree.h (TREE_PUBLIC): Clarify "module".
10817
10818 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
10819
10820         PR target/38891
10821         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
10822         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
10823
10824 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
10825
10826         PR target/39082
10827         * c.opt (Wabi): Support C and ObjC.
10828         (Wpsabi): New.
10829
10830         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
10831
10832         * config/i386/i386.c (classify_argument): Warn once about the ABI
10833         change when passing union with long double.
10834
10835         * doc/invoke.texi: Update -Wabi for warning psABI changes.
10836
10837 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
10838
10839         PR c/35447
10840         * c-parser.c (c_parser_compound_statement): Always enter and leave
10841         a scope.
10842
10843 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10844
10845         PR target/34587
10846         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
10847
10848 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
10849
10850         PR tree-optimization/36922
10851         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
10852         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
10853         Likewise.
10854
10855 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
10856
10857         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
10858         to 0 for EABI64.
10859
10860 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
10861
10862         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
10863
10864 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
10865
10866         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
10867         tree sharing.
10868
10869 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
10870             Richard Sandiford  <rdsandiford@googlemail.com>
10871
10872         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
10873         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
10874         (loongson_biadd): ...this.
10875
10876 2009-02-17  Richard Guenther  <rguenther@suse.de>
10877
10878         PR tree-optimization/39202
10879         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
10880         a var make sure to follow existing collapses.
10881
10882 2009-02-17  Richard Guenther  <rguenther@suse.de>
10883
10884         PR middle-end/39214
10885         * langhooks.c (lhd_print_error_function): Check for NULL block.
10886
10887 2009-02-17  Richard Guenther  <rguenther@suse.de>
10888
10889         PR tree-optimization/39204
10890         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
10891         of the PHI arg.
10892
10893 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
10894
10895         * config/soft-fp/double.h: Update from glibc CVS.
10896
10897 2009-02-17  Richard Guenther  <rguenther@suse.de>
10898
10899         PR tree-optimization/39207
10900         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
10901         strict-aliasing warnings for pointers pointing to NULL.
10902
10903 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
10904
10905         PR c/35446
10906         * c-parser.c (c_parser_braced_init): Call pop_init_level when
10907         skipping until next close brace.
10908
10909 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
10910
10911         PR target/37049
10912         * config/i386/i386.c (ix86_expand_push): Set memory alignment
10913         to function argument boundary.
10914
10915 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
10916
10917         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
10918         in the lea_add. Reload eventually constraints it properly.
10919         * config/picochip/constraints.md: Remove the target constraint
10920         "b", since it is not needed anymore.
10921
10922 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
10923
10924         * gthr-dce.h: Uglify function parameter and local variable names.
10925         * gthr-gnat.h: Likewise.
10926         * gthr-mipssde.h: Likewise.
10927         * gthr-nks.h: Likewise.
10928         * gthr-posix95.h: Likewise.
10929         * gthr-posix.h: Likewise.
10930         * gthr-rtems.h: Likewise.
10931         * gthr-single.h: Likewise.
10932         * gthr-solaris.h: Likewise.
10933         * gthr-tpf.h: Likewise.
10934         * gthr-vxworks.h: Likewise.
10935         * gthr-win32.h: Likewise.
10936
10937 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
10938
10939         PR target/39196
10940         * config/i386/i386.md: Restrict the new peephole2 to move
10941         between MMX/SSE registers.
10942
10943 2009-02-15  Richard Guenther  <rguenther@suse.de>
10944
10945         Revert
10946         2009-02-13  Richard Guenther  <rguenther@suse.de>
10947
10948         * configure.ac: Enable LFS.
10949         * configure: Re-generate.
10950         * config.in: Likewise.
10951
10952 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10953
10954         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
10955         spu_srqwbyte, spu_srqwbytebc): Define.
10956         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
10957         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
10958         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
10959         "shrqby_<mode>"): New insn-and-split patterns.
10960         * config/spu/spu.c (expand_builtin_args): Determine and return
10961         number of operands using spu_builtin_description data.
10962         (spu_expand_builtin_1): Use it.
10963
10964 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
10965
10966         PR target/38056
10967         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
10968         TARGET_CONST_GP.
10969
10970 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10971
10972         PR target/39149
10973         * config/i386/i386.c (override_options): Correct warning
10974         messages for -malign-loops, -malign-jumps and -malign-functions.
10975
10976 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10977
10978         PR target/39152
10979         * config/i386/i386.md: Restrict the new peephole2 to move
10980         between the general purpose registers.
10981
10982 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10983
10984         PR target/39162
10985         * config/i386/i386.c (type_natural_mode): Add a new argument.
10986         Return the original mode and warn ABI change if vector size is 32byte.
10987         (function_arg_advance): Updated.
10988         (function_arg): Likewise.
10989         (ix86_function_value): Likewise.
10990         (ix86_return_in_memory): Likewise.
10991         (ix86_sol10_return_in_memory): Likewise.
10992         (ix86_gimplify_va_arg): Likewise.
10993         (function_arg_32): Don't warn ABX ABI change here.
10994         (function_arg_64): Likewise.
10995
10996 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
10997
10998         * loop-iv.c (implies_p): In the final case, test that operands 0
10999         of the two comparisons match.
11000
11001         * config/bfin/bfin.c (find_prev_insn_start): New function.
11002         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
11003         (find_next_insn_start): Move.
11004
11005 2009-02-13  Richard Guenther  <rguenther@suse.de>
11006
11007         * configure.ac: Enable LFS.
11008         * configure: Re-generate.
11009         * config.in: Likewise.
11010
11011 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
11012
11013         PR c/35444
11014         * c-parser.c (c_parser_parms_list_declarator): Discard pending
11015         sizes on syntax error after some arguments have been parsed.
11016
11017 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
11018
11019         * doc/invoke.texi (-fira): Remove.
11020
11021 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
11022
11023         * caller-save.c: Replace regclass.c with reginfo.c in comments.
11024         * recog.c: Likewise.
11025         * rtl.h: Likewise.
11026
11027 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
11028
11029         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
11030         (umul_ppmm): Likewise.
11031         (count_leading_zeros): Likewise.
11032         (count_trailing_zeros): Likewise.
11033         (UMUL_TIME): Likewise.
11034
11035 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
11036
11037         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
11038         soft-fp/t-softfp to tmake_file.
11039
11040         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
11041         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
11042         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
11043         IA64_BUILTIN_INFQ]: New.
11044         (ia64_init_builtins): Initialize __builtin_infq,
11045         __builtin_fabsq and __builtin_copysignq if not HPUX.
11046         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
11047         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
11048
11049         * config/ia64/lib1funcs.asm (__divtf3): Define only if
11050         SHARED is defined.
11051         (__fixtfti): Likewise.
11052         (__fixunstfti): Likewise.
11053         (__floattitf): Likewise.
11054
11055         * config/ia64/libgcc-glibc.ver: New.
11056         * config/ia64/t-fprules-softfp: Likewise.
11057         * config/ia64/sfp-machine.h: Likewise.
11058
11059         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
11060         (LIBGCC2_TF_CEXT): Likewise.
11061         (TF_SIZE): Likewise.
11062         (TARGET_INIT_LIBFUNCS): Likewise.
11063
11064         * config/ia64/t-glibc (SHLINB_MAPFILES):
11065         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
11066
11067 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
11068
11069         * config/i386/i386.c (construct_container): Rewrite processing
11070         BLKmode with X86_64_SSE_CLASS.
11071
11072 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
11073
11074         PR target/39152
11075         * config/i386/i386.md: Replace simplify_replace_rtx with
11076         replace_rtx in the new peephole2.
11077
11078 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
11079
11080         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
11081         loop unrolling do not happen at -O2.
11082
11083 2009-02-12  Michael Matz  <matz@suse.de>
11084
11085         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
11086
11087 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
11088
11089         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
11090         for -g3.
11091
11092 2009-02-12  Ben Elliston  <bje@au.ibm.com>
11093
11094         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
11095         patterns when updating the back chain.  Missed in the 2009-02-10
11096         change.
11097
11098 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
11099
11100         * doc/extend.texi (Decimal Floating Types): Update identifier of
11101         draft TR and list of missing support.
11102
11103 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
11104
11105         PR middle-end/39154
11106         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
11107         bit to variable length decl's flags, add it also to its
11108         pointer replacement variable.
11109
11110 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
11111             Jakub Jelinek  <jakub@redhat.com>
11112
11113         PR target/39118
11114         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
11115         (memory_blockage): New expander.
11116         (*memory_blockage): New insn pattern.
11117         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
11118         instead of general blockage at the end of function prologue when
11119         frame pointer is used to access red zone area.  Do not emit blockage
11120         when profiling, it is emitted in generic code.
11121         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
11122         function epilogue when frame pointer is used to access red zone area.
11123
11124 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
11125
11126         PR target/38824
11127         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
11128         by arithmetic with memory operands.
11129         * config/i386/predicates.md (commutative_operator): New.
11130
11131 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
11132
11133         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
11134         bulleted lists.
11135
11136 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
11137
11138         * alias.h (record_alias_subset): Declare.
11139         * alias.c (record_alias_subset): Make global.
11140
11141 2009-02-10  Nick Clifton  <nickc@redhat.com>
11142
11143         * tree-parloops.c: Change license to GPLv3.
11144         * ipa-struct-reorg.c: Change license to GPLv3.
11145         * ipa-struct-reorg.h: Change license to GPLv3.
11146
11147 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
11148
11149         PR c/39084
11150         * c-decl.c (start_struct): Return NULL on error.
11151
11152 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
11153
11154         PR middle-end/39124
11155         * cfgloopmanip.c (remove_path): Call remove_bbs after
11156         cancel_loop_tree, not before it.
11157
11158         PR target/39139
11159         * function.h (struct function): Add has_local_explicit_reg_vars bit.
11160         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
11161         VAR_DECLs were seen.
11162         * tree-ssa-live.c (remove_unused_locals): Recompute
11163         cfun->has_local_explicit_reg_vars.
11164         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
11165         copies or clearings if cfun->has_local_explicit_reg_vars.
11166
11167 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
11168
11169         PR target/39118
11170         * config/i386/i386.c (expand_prologue): Emit blockage at the end
11171         of function prologue when frame pointer is used to access
11172         red zone area.
11173
11174 2009-02-10  Richard Guenther  <rguenther@suse.de>
11175
11176         PR middle-end/39127
11177         * gimplify.c (gimple_regimplify_operands): Always look if
11178         we need to create a temporary.
11179
11180 2009-02-10  Richard Guenther  <rguenther@suse.de>
11181
11182         PR tree-optimization/39132
11183         * tree-loop-distribution.c (todo): New global var.
11184         (generate_memset_zero): Trigger TODO_rebuild_alias.
11185         (tree_loop_distribution): Return todo.
11186
11187 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
11188
11189         PR target/39119
11190         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
11191         (x86_64_reg_class_name): Removed.
11192         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
11193         first one isn't X86_64_SSE_CLASS or any other ones aren't
11194         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
11195         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
11196         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
11197         and 3 X86_64_SSEUP_CLASS.
11198         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
11199         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
11200
11201 2009-02-10  Ben Elliston  <bje@au.ibm.com>
11202
11203         * config/rs6000/rs6000.md (allocate_stack): Always use an update
11204         form instruction to update the stack back chain word, even if the
11205         user has disabled the generation of update instructions.
11206         (movdi_<mode>_update_stack): New.
11207         (movsi_update_stack): Likewise.
11208         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
11209         always use an update form instruction to update the stack back
11210         chain word.
11211
11212 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
11213
11214         PR middle-end/38953
11215         * graphite.c (if_region_set_false_region): After moving a region in
11216         the false branch of a condition, remove the empty dummy basic block.
11217         (gloog): Remove wrong fix for PR38953.
11218
11219 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
11220
11221         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
11222         generation due to implicit sign extension.
11223
11224 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
11225
11226         PR middle-end/38981
11227         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
11228         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
11229
11230 2009-02-09  Richard Guenther  <rguenther@suse.de>
11231
11232         PR middle-end/35202
11233         * convert.c (convert_to_real): Disable (float)fn((double)x)
11234         to fnf(x) conversion if errno differences may occur and
11235         -fmath-errno is set.
11236
11237 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
11238
11239         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
11240         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11241         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
11242
11243 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
11244
11245         PR c/35434
11246         * c-common.c (handle_alias_attribute): Disallow attribute for
11247         anything not a FUNCTION_DECL or VAR_DECL.
11248
11249 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
11250
11251         PR c/39035
11252         * real.c (do_compare): Special-case compare of zero against
11253         decimal float value.
11254
11255 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
11256
11257         PR c/36432
11258         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
11259         as indicating flexible array members unless the field itself is
11260         being declarared as the incomplete array.
11261
11262 2009-02-06  Jan Hubicka  <jh@suse.cz>
11263
11264         PR tree-optimization/38844
11265         * ipa-inline.c (try_inline): Stop inlining recursion when edge
11266         is already inlined.
11267
11268 2009-02-06  Richard Guenther  <rguenther@suse.de>
11269
11270         PR middle-end/38977
11271         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
11272         fork because we may expand it as __gcov_fork.
11273
11274 2009-02-06  Nick Clifton  <nickc@redhat.com>
11275
11276         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
11277
11278 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
11279
11280         PR tree-optimization/35659
11281         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
11282         vn_phi_eq): Shortcut if hashcode does not match.
11283         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
11284         NULL operands.
11285         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
11286         and avoid iterative_hash_expr.
11287         (FOR_EACH_VALUE_ID_IN_SET): New.
11288         (value_id_compare): Remove.
11289         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
11290         sort expressions by value id.
11291
11292 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
11293
11294         PR target/38991
11295         * config/sh/predicates.md (general_movsrc_operand): Don't check
11296         the subreg of system registers here.
11297
11298 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
11299
11300         PR c++/39106
11301         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
11302         on the copied decl.
11303
11304 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
11305
11306         PR rtl-optimization/39110
11307         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
11308         addresses, not aligned ones.
11309
11310 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
11311             Richard Guenther  <rguenther@suse.de>
11312
11313         PR tree-optimization/39100
11314         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
11315         comment says and add edges.
11316
11317 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
11318
11319         PR c/35435
11320         * c-common.c (handle_tls_model_attribute): Ignore attribute for
11321         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
11322
11323 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
11324
11325         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
11326         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
11327         register_bb_in_sese, new_sese, free_sese): Moved.
11328         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
11329         outermost_loop_in_scop, build_scop_iteration_domain,
11330         expand_scalar_variables_ssa_name, get_vdef_before_scop,
11331         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
11332         Use loop_in_sese_p instead of loop_in_scop_p.
11333         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
11334         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
11335         (scopdet_basic_block_info): Fix bug in scop detection.
11336         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
11337         eq_loop_to_cloog_loop): Remove.
11338         (nb_loops_around_loop_in_scop, nb_loop
11339         ref_nb_loops): Moved here...
11340         * graphite.h (ref_nb_loops): ... from here.
11341         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
11342         (loop_domain_dim, loop_iteration_vector_dim): Remove.
11343         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
11344         * testsuite/gcc.dg/graphite/scop-19.c: New
11345
11346 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
11347             Hans-Peter Nilsson  <hp@axis.com>
11348
11349         PR rtl-optimization/37889
11350         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
11351         Move offset handling from PLUS to before the switch.  Use new
11352         arguments when considering SYMBOL_REFs too.
11353         (rtx_addr_can_trap_p): Pass dummy offset and size.
11354         (enum may_trap_p_flags): Remove.
11355         (may_trap_p_1): Pass size from MEM_SIZE.
11356
11357         PR rtl-optimization/38921
11358         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
11359         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
11360         * rtlanal.c (may_trap_after_code_motion_p): Delete.
11361         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
11362
11363 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
11364
11365         AVX Programming Reference (January, 2009)
11366         * config/i386/sse.md (*vpclmulqdq): New.
11367
11368 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
11369
11370         PR tree-optimization/38977
11371         PR gcov-profile/38292
11372         * calls.c (special_function_p): Disregard __builtin_ prefix.
11373
11374 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
11375
11376         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
11377         non-indexable addresses even before reload.
11378
11379 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
11380
11381         PR c/29129
11382         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
11383         as having variable size.  Do not give an error for unnamed
11384         parameters with [*] declarators.  Give a warning for type names
11385         with [*] declarators and mark them as variable size.
11386         * c-parser.c (c_parser_sizeof_expression): Do not give an error
11387         for sizeof applied to [*] type names.
11388
11389 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11390
11391         PR C++/36607
11392         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
11393
11394 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
11395
11396         * gcc.c (process_command): Update copyright notice dates.
11397         * gcov.c (print_version): Likewise.
11398         * gcov-dump.c (print_version): Likewise.
11399         * mips-tfile.c (main): Likewise.
11400         * mips-tdump.c (main): Likewise.
11401
11402 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
11403
11404         PR c/35433
11405         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
11406         for composite type involving a zero-length array type.
11407
11408 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
11409
11410         PR target/35318
11411         * function.c (match_asm_constraints_1): Skip over
11412         initial optional % in the constraint.
11413
11414         PR inline-asm/39059
11415         * c-parser.c (c_parser_postfix_expression): If fixed point is not
11416         supported, don't accept FIXED_CSTs.
11417         * c-decl.c (finish_declspecs): Error if fixed point is not supported
11418         and _Sat is used without _Fract/_Accum.  Set specs->type to
11419         integer_type_node for cts_fract/cts_accum if fixed point is not
11420         supported.
11421
11422 2009-02-02  Catherine Moore  <clm@codesourcery.com>
11423
11424         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
11425
11426 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
11427
11428         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
11429         (ABI_HAS_64BIT_SYMBOLS): Use it.
11430         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
11431
11432 2009-02-02  Paul Brook  <paul@codesourcery.com>
11433
11434         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
11435
11436 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
11437
11438         PR inline-asm/39058
11439         * recog.h (asm_operand_ok): Add constraints argument.
11440         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
11441         recurse on matching constraint.
11442         (check_asm_operands): Pass constraints as 3rd argument to
11443         asm_operand_ok.  Don't look up matching constraint here.
11444         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
11445         to asm_operand_ok.
11446
11447 2009-02-02  Ben Elliston  <bje@au.ibm.com>
11448
11449         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
11450         TARGET_NARROW_VOLATILE_BITFIELD macro names.
11451
11452 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11453
11454         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
11455         information.  Remove some obsolete information.  Reorganize.
11456
11457         * config/pa/fptr.c: Revert license to GPL 2.
11458         * config/pa/milli64.S: Likewise.
11459
11460 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
11461
11462         PR target/38904
11463         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
11464         LIBRARY name in, instead of hard-coding it.
11465         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
11466         extra target make frag to tmake_files according to EH model.
11467         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
11468         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
11469         frags that define makefile variable EH_MODEL appropriately.
11470         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
11471         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
11472         to "-sjlj" according to type of EH configured.
11473         (LIBGCC_SONAME):  Concatenate it to shared library base name.
11474         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
11475         to "_sjlj" according to type of EH configured.
11476         (LIBGCC_SONAME):  Concatenate it to shared library base name.
11477         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
11478         (SHLIB_LINK):  Add missing semicolon to if-else construct.
11479         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
11480         string value of "pe_dll" command-line option.
11481         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
11482         (SHLIB_SONAME):  Use it when overriding t-cygming default.
11483         (SHLIB_IMPLIB):  Override t-cygming default.
11484         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
11485         string value of "pe_dll" command-line option.
11486
11487 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
11488
11489         PR target/38952
11490         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
11491         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
11492
11493 2009-01-31  Richard Guenther  <rguenther@suse.de>
11494
11495         PR tree-optimization/38937
11496         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
11497         computing the transitive closure.
11498
11499 2009-01-30  Richard Guenther  <rguenther@suse.de>
11500
11501         PR tree-optimization/39041
11502         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
11503         Propagate variable indices only if the types match for this stmt.
11504
11505 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
11506
11507         PR target/39013
11508         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
11509         inline but never defined.
11510
11511 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
11512
11513         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
11514         (*insv_h_di_reg_extimm): New insn.
11515         (*insv_l<mode>_reg_extimm): New insn.
11516
11517 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
11518
11519         * config/picochip/picochip.c (flag_conserve_stack): set
11520         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
11521         fconserve-stack. Reduce call-overhead used by inliner.
11522
11523 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
11524
11525         PR/38157
11526         * common.opt (flag_conserve_stack): Initialised to zero.
11527
11528 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
11529
11530         PR/39002
11531         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
11532         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
11533         method.
11534
11535 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
11536
11537         * ira-color.c (allocno_reload_assign): Update comments.
11538         * regmove.c (regmove_optimize): Likewise.
11539
11540         * ra.h: Removed.
11541
11542 2009-01-29  Robert Millan  <rmh@aybabtu.com>
11543
11544         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
11545         * config/i386/kopensolaris-gnu.h: New file.  Undefine
11546         `MD_UNWIND_SUPPORT'.
11547         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
11548
11549 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
11550
11551         PR tree-optimization/39007
11552         * tree-loop-distribution.c (generate_builtin): Use
11553         recompute_dominator to compute the immediate dominator of the
11554         basic block just after the loop.
11555
11556 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
11557
11558         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
11559         (ASM_OUTPUT_DWARF_PCREL): Define.
11560
11561 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
11562
11563         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
11564         * doc/passes.texi: Remove entries about regclass, local-alloc, and
11565         global.  Modify entries about regmove and IRA.
11566
11567         * ra-conflict.c: Remove the file.
11568
11569         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
11570
11571         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
11572         (pass_regclass_init): Rename to pass_reginfo_init.
11573
11574         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
11575
11576         * toplev.h (flag_ira): Remove.
11577
11578         * caller-save.c (setup_save_areas): Remove flag_ira.
11579
11580         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
11581
11582         * global.c: Remove the file.
11583
11584         * opts.c (decode_options): Remove flag_ira.
11585
11586         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
11587
11588         * regmove.c: Modify file description.
11589         (find_use_as_address, try_auto_increment): Define them only if
11590         AUTO_INC_DEC is defined.
11591         (replacement_quality, replace_in_call_usage, fixup_match_1,
11592         stable_and_no_regs_but_for_p): Remove.
11593         (reg_set_in_bb): Make it static.
11594         (regmove_optimize): Remove flag_ira and code which worked for
11595         !flag_ira.
11596
11597         * local-alloc.c: Remove the file.
11598
11599         * common.opt (fira): Remove.
11600
11601         * ira.c: Include except.h.
11602         (eliminable_regset): Move from global.c.
11603         (mark_elimination): Ditto.  Remove flag_ira.
11604         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
11605         equiv_mem_modified, validate_equiv_mem_from_store,
11606         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
11607         contains_replace_regs, memref_referenced_p, memref_used_between_p,
11608         no_equiv, recorded_label_ref): Move from local-alloc.c.
11609         (update_equiv_regs): Ditto.  Make it static.
11610         (print_insn_chain, print_insn_chains): Move it from global.c.
11611         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
11612         (build_insn_chain): Ditto.  Make it static.
11613         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
11614         Rename to init_live_subregs.
11615         (gate_ira): Remove flag_ira.
11616
11617         * regclass.c: Rename reginfo.c.  Change file description.
11618         (FORBIDDEN_INC_DEC_CLASSES): Remove.
11619         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
11620         (init_reg_sets_1): Remove code for evaluation of
11621         reg_class_superclasses and losing_caller_save_reg_set.
11622         (init_regs): Remove init_reg_autoinc.
11623         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
11624         ok_for_base_p_nonstrict): Remove.
11625         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
11626         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
11627         corresponding entries.
11628         (dump_regclass, record_operand_costs, scan_one_insn,
11629         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
11630         record_address_regs, auto_inc_dec_reg_p): Remove.
11631         (gt-regclass.h): Rename to gt-reginfo.h.
11632
11633         * rtl.h (dump_global_regs, retry_global_alloc,
11634         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
11635
11636         * Makefile.in (RA_H): Remove.
11637         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
11638         Rename regclass.o to reginfo.o.
11639         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
11640         gt-reginfo.h.
11641         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
11642         (GTFILES): Rename regclass.c to reginfo.c.
11643
11644         * passes.c (init_optimization_passes): Remove pass_local_alloc and
11645         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
11646
11647         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
11648         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
11649         Remove flag_ira.
11650         (finish_spills): Ditto.  Remove code for !flag_ira.
11651
11652 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
11653
11654         PR middle-end/35854
11655         * doc/invoke.texi (rtl debug options): Complete rewrite.
11656         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
11657         to auto_inc_dec".
11658         * mode-switching.c (pass_mode_switching): Rename pass from
11659         "mode-sw" to "mode_sw".
11660         * except.c (pass_convert_to_eh_ranges): Rename pass from
11661         "eh-ranges" to "eh_ranges".
11662         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
11663         to "subreg1".
11664
11665
11666 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
11667             Alexander Monakov  <amonakov@ispras.ru>
11668
11669         PR middle-end/38857
11670         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
11671         register.
11672         (move_exprs_to_boundary): Change return type and pass through
11673         should_move from move_op.  Relax assert.  Update usage ...
11674         (schedule_expr_on_boundary): ... here.  Use should_move instead of
11675         cant_move.
11676         (move_op_orig_expr_found): Indicate that insn was disconnected from
11677         stream.
11678         (code_motion_process_successors): Do not call after_merge_succs
11679         callback if original expression was not found when traversing any of
11680         the branches.
11681         (code_motion_path_driver): Change return type.  Update prototype.
11682         (move_op): Update comment.  Add a new parameter (should_move).  Update
11683         prototype.  Set *should_move based on indication provided by
11684         move_op_orig_expr_found.
11685
11686 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
11687
11688         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
11689         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
11690         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
11691         * config/rs6000/rs6000.c (rs6000_override_options): Default
11692         avoid-indexed-addresses on for Power6, off for everything else.
11693         (avoiding_indexed_address_p): New function.
11694         (rs6000_legitimize_address): Use it.
11695         (rs6000_legitimate_address): Likewise.
11696         * config/rs6000/rs6000.md (movXX_updateX): Likewise
11697
11698 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
11699
11700         PR tree-optimization/38997
11701         * tree-loop-distribution.c (generate_memset_zero): Use
11702         POINTER_PLUS_EXPR for a pointer addition.
11703
11704 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
11705
11706         * config/s390/s390.md (bswap<mode>2): New pattern added.
11707
11708 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
11709
11710         * config/s390/s390.md (*tls_load_31): Added type attribute.
11711
11712 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
11713
11714         * config/s390/s390.md: Fix a few comments.
11715
11716 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
11717
11718         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
11719         (*tm<mode>_full): Fixed z10prop attribute.
11720         (*tst<mode>_extimm): Fixed z10prop attribute.
11721         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
11722         (*tstqiCCT_cconly): Fixed z10prop attribute.
11723         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
11724         (*movsi_larl): Fixed z10prop attribute.
11725         (*movsi_zarch): Fixed z10prop attribute.
11726         (*movsi_eas): Fixed z10prop attribute.
11727         (*movhi): Fixed z10prop attribute.
11728         (*movqi): Fixed z10prop attribute.
11729         (*movstrictqi): Fixed z10prop attribute.
11730         (*mov<mode>): Fixed z10prop attribute.
11731         (*movcc): Fixed z10prop attribute.
11732         (*sethighpartdi_64): Fixed z10prop attribute.
11733         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
11734         (*negdi2_sign_cc): Fixed z10prop attribute.
11735         (*negdi2_sign): Fixed z10prop attribute.
11736         (*absdi2_sign_cc): Fixed z10prop attribute.
11737         (*absdi2_sign): Fixed z10prop attribute.
11738         (*negabsdi2_sign_cc): Fixed z10prop attribute.
11739         (*negabsdi2_sign): Fixed z10prop attribute.
11740         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
11741         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
11742         (doloop_si64): Fixed z10prop attribute.
11743         (doloop_si31): Fixed z10prop attribute.
11744         (doloop_long): Fixed z10prop attribute.
11745         (indirect_jump): Fixed z10prop attribute.
11746         (nop): Fixed z10prop attribute.
11747         (main_base_64): Fixed z10prop attribute.
11748         (reload_base_64): Fixed z10prop attribute.
11749
11750 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
11751
11752         PR rtl-optimization/38740
11753         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
11754         if !optimize.
11755         * config/mips/mips.c (mips_reorg): Likewise.
11756
11757 2009-01-28  Richard Guenther  <rguenther@suse.de>
11758
11759         PR tree-optimization/38926
11760         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
11761         with the correct value id to a value.
11762         (do_regular_insertion): Use the value number of edoubleprime
11763         for the value number of the expr.
11764
11765         Revert
11766         2008-08-21  Richard Guenther  <rguenther@suse.de>
11767
11768         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
11769         a PHI ask VN if it is already available.
11770         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
11771         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
11772
11773 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
11774
11775         PR middle-end/38934
11776         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
11777         set to varying whenever max has TREE_OVERFLOW set, similarly
11778         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
11779
11780 2009-01-28  Richard Guenther  <rguenther@suse.de>
11781
11782         PR middle-end/38908
11783         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
11784         uninitialized aggregate uses in call arguments.
11785
11786 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
11787
11788         PR tree-optimization/38984
11789         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
11790         the nothing_id variable if -fno-delete-null-pointer-checks.
11791
11792 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
11793
11794         PR target/38988
11795         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
11796         (set_got_offset_rex64): Ditto.
11797
11798 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
11799
11800         PR target/38941
11801         * doc/extend.texi: Improve local variable with asm reg.
11802
11803 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
11804
11805         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
11806         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
11807         was not supplied then set warn_packed_bitfield_compat to the
11808         default value of 1.
11809         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
11810         against 1.
11811
11812 2009-01-27  Richard Guenther  <rguenther@suse.de>
11813
11814         PR tree-optimization/38503
11815         * cfgexpand.c (expand_gimple_basic_block): Ignore
11816         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
11817         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
11818         variables that cannot have TBAA applied.
11819         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
11820         statements.
11821
11822 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
11823
11824         PR middle-end/38969
11825         * calls.c (initialize_argument_information): Do not wrap complex
11826         arguments in SAVE_EXPR.
11827
11828 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
11829
11830         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
11831         (INSTALL_LIBGCC): Revert typo commit.
11832
11833 2009-01-26  Richard Guenther  <rguenther@suse.de>
11834
11835         PR tree-optimization/38745
11836         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
11837         from special handling.
11838
11839 2009-01-26  Richard Guenther  <rguenther@suse.de>
11840
11841         PR tree-optimization/38745
11842         * tree-ssa.c (execute_update_addresses_taken): Do not include
11843         variables that cannot possibly be a register in not_reg_needs.
11844         Do not clear TREE_ADDRESSABLE on vars that may not become
11845         registers.
11846         * tree-ssa.c (update_alias_info_1): Include those in the set
11847         of addressable vars.
11848
11849 2009-01-26  Richard Guenther  <rguenther@suse.de>
11850
11851         PR middle-end/38851
11852         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
11853         * tree-ssa-dse.c: Include langhooks.h
11854         (execute_simple_dse): Remove stores with zero size.
11855
11856 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
11857
11858         PR c/38957
11859         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
11860         as PLUS_EXPR.
11861
11862 2009-01-24  Julian Brown  <julian@codesourcery.com>
11863
11864         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
11865         config/arm/linux-atomic.c.
11866         * config/arm/linux-atomic.c: New.
11867
11868 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
11869
11870         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
11871         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
11872         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
11873
11874 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
11875
11876         PR c/38938
11877         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
11878         properly.
11879
11880 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
11881
11882         PR tree-optimization/38953
11883         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
11884         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
11885         (gloog): Split the exit of the scop when the scop exit is a loop exit.
11886         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
11887         changed the CFG.
11888
11889 2009-01-24  Paul Brook  <paul@codesourcery.com>
11890
11891         * config/arm/neon.md (neon_type): Move to arm.md.
11892         (neon_mov<VSTRUCT>): Add neon_type attribute.
11893         * config/arm/arm.md (neon_type): Move to here.
11894         (conds): Add "unconditioal" and use as default for NEON insns.
11895
11896 2009-01-24  Ben Elliston  <bje@au.ibm.com>
11897
11898         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
11899         void *' warning from -Wc++-compat.
11900         * Makefile.in (dominance.o-warn): Remove.
11901
11902 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
11903
11904         PR tree-optimization/38932
11905         * fold-const.c (fold_unary_ignore_overflow): New.
11906         * tree.h (fold_unary_ignore_overflow): Declare.
11907         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
11908         * tree-ssa-sccvn.c (visit_reference_op_load,
11909         simplify_unary_expression): Likewise.
11910
11911 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
11912
11913         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
11914         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
11915         regardless of their type.
11916         * c-common.c (handle_packed_attribute): Don't ignore packed on
11917         bitfields.
11918         * c.opt (Wpacked-bitfield-compat): New warning option.
11919         * stor-layout.c (place_field): Warn if offset of a field changed.
11920         * doc/extend.texi (packed): Mention the ABI change.
11921         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
11922         (Warning Options): Add it to the list.
11923
11924 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
11925
11926         * c-opts.c (c_common_post_options): Fix a typo in comments.
11927
11928 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
11929
11930         PR middle-end/38615
11931         * gimplify.c (gimplify_init_constructor): Fix promotion of const
11932         variables to static.
11933         * doc/invoke.texi (-fmerge-all-constants): Update description.
11934
11935 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
11936
11937         PR target/38931
11938         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
11939         (*movdi_1_rex64): Use type "mmx" for alternative 5.
11940
11941 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
11942
11943         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
11944         a word boundary.
11945         (LOCAL_ALIGNMENT): Similarly.
11946
11947 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
11948             Joseph Myers  <joseph@codesourcery.com>
11949
11950         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
11951         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
11952         * config/arm/arm-tune.md: Regenerate.
11953         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
11954         -march=iwmmxt2.
11955
11956 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
11957
11958         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
11959         version number to five.
11960
11961 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
11962
11963         PR c++/38930
11964         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
11965         * c-common.c (set_underlying_type): Likewise.
11966         (is_typedef_decl ): Likewise
11967         * tree.h: Likewise
11968         (set_underlying_type): Likewise.
11969         (is_typedef_type): Likewise.
11970
11971 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
11972
11973         PR middle-end/38587
11974         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
11975         crossing setjmps.
11976
11977 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
11978
11979         PR bootstrap/37660
11980         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
11981         (LIBGCC_SPEC):  Don't define.
11982         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
11983
11984 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
11985
11986         PR rtl-optimization/38879
11987         * alias.c (base_alias_check): Unaligned access via AND address can
11988         alias all surrounding object types except those with sizes equal
11989         or wider than the size of unaligned access.
11990
11991 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
11992
11993         PR c++/26693
11994         * c-decl.c (clone_underlying_type): Move this ...
11995         * c-common.c (set_underlying_type): ... here.
11996         Also, make sure the function properly sets TYPE_STUB_DECL() on
11997         the newly created typedef variant type.
11998         (is_typedef_decl ): New entry point.
11999         * tree.h: Added a new member member_types_needing_access_check to
12000         struct tree_decl_non_common.
12001         (set_underlying_type): New entry point.
12002         (is_typedef_type): Likewise.
12003
12004 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
12005
12006         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
12007         Check whether two instructions have memory references that
12008         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
12009         are helper functions for traversing.
12010         * alias.h (insn_alias_sets_confilict_p): New prototypes.
12011         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
12012         not to draw dependency edge for instructions with non-conflicting
12013         alias sets.
12014
12015 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
12016
12017         PR other/38758
12018         * longlong.h: Update copyright years.  Use soft-fp license notice.
12019         Sync __clz_tab declaration with glibc.
12020
12021 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
12022
12023         PR target/30687
12024         * doc/extend.texi (syscall_linkage): New.
12025         (version_id): Modify.
12026
12027 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12028             Richard Guenther  <rguenther@suse.de>
12029
12030         PR tree-optimization/38747
12031         PR tree-optimization/38748
12032         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
12033         conversion if the base address is an indirect reference and the
12034         aliasing sets could cause issues.
12035
12036 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
12037
12038         * common.opt (fgraphite, fgraphite-identity): Add comment for
12039         explaining why these options are not documented.
12040
12041 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
12042
12043         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
12044         gimple_call_lhs is NULL.
12045
12046 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
12047
12048         PR target/38868
12049         * emit-rtl.c (adjust_address_1): Make sure memref is never
12050         overwritten.
12051
12052 2009-01-20  Ben Elliston  <bje@au.ibm.com>
12053
12054         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
12055         const qualifier from arg parameter. Remove unnecessary cast to char *.
12056         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
12057         const qualifier from arg 2.
12058
12059 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
12060
12061         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
12062
12063 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
12064
12065         PR c/38869
12066         * rtl.h (reinit_regs): New prototype.
12067         * regclass.c: Include ira.h.
12068         (reinit_regs): New.
12069         * Makefile.in (regclass.o): Add ira.h.
12070         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
12071
12072 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
12073
12074         PR target/38736
12075         * c-common.c (handle_aligned_attribute): Use
12076         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
12077         default alignment value.
12078
12079         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
12080
12081         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
12082         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
12083
12084         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
12085         __BIGGEST_ALIGNMENT__.
12086
12087         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
12088
12089 2009-01-18  Richard Guenther  <rguenther@suse.de>
12090
12091         PR tree-optimization/38819
12092         * tree-flow.h (operation_could_trap_helper_p): Declare.
12093         * tree-eh.c (operation_could_trap_helper_p): Export.
12094         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
12095         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
12096         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
12097         are about to insert a possibly trapping instruction and fail
12098         in this case.
12099
12100 2009-01-18  Andreas Schwab  <schwab@suse.de>
12101
12102         * doc/install.texi (Configuration): Remove obsolete paragraph
12103         about use of --with-gnu-ld with --with-gnu-as.
12104
12105 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
12106
12107         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
12108         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
12109         Follow spelling conventions.
12110
12111 2009-01-18  Ben Elliston  <bje@au.ibm.com>
12112
12113         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
12114         C++ warning about implicit conversion from void * to struct
12115         bitmap_head_def *.
12116         (bitmap_obstack_free): Likewise for bitmap_element *.
12117         * Makefile.in (bitmap.o-warn): Remove.
12118
12119 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
12120
12121         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
12122
12123 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
12124             Tobias Grosser  <tobi.grosser@amd.com>
12125
12126         * graphite.c (graphite_trans_scop_block): Do not block single
12127         nested loops.
12128
12129 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
12130
12131         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
12132         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
12133         test with assertion.
12134
12135 2009-01-16  Richard Guenther  <rguenther@suse.de>
12136
12137         PR tree-optimization/38835
12138         PR middle-end/36227
12139         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
12140         and INT + PTR -> (INT)(PTR p+ INT) folding.
12141         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
12142
12143 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
12144
12145         PR target/38554
12146         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
12147         the subreg from a lowpart subreg if it is also casting the value.
12148
12149 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
12150             Tobias Grosser  <tobi.grosser@amd.com>
12151
12152         * graphite.c (compare_prefix_loops): New.
12153         (build_scop_canonical_schedules): Rewritten.
12154         (graphite_transform_loops): Move build_scop_canonical_schedules
12155         after build_scop_iteration_domain.
12156
12157 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
12158             Tobias Grosser  <tobi.grosser@amd.com>
12159
12160         * graphite.c (add_conditions_to_domain): Add the loops to
12161         the dimension of the iteration domain.  Do copy the domain
12162         only when it exists.
12163         (build_scop_conditions_1): Do not call add_conditions_to_domain.
12164         (add_conditions_to_constraints): New.
12165         (can_generate_code_stmt, can_generate_code): Removed.
12166         (gloog): Do not call can_generate_code.
12167         (graphite_transform_loops): Call add_conditions_to_constraints
12168         after building the iteration domain.
12169
12170 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
12171
12172         PR tree-optimization/38789
12173         * tree-ssa-threadedge.c
12174         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
12175         __builtin_constant_p.
12176
12177 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
12178
12179         * dce.c (delete_unmarked_insns): Reversed the order that insns are
12180         examined before deleting them.
12181
12182 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
12183
12184         * function.c (aggregate_value_p): Correctly extract the function
12185         type from CALL_EXPR_FN lookup.
12186
12187 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
12188
12189         * config/picochip/picochip.c (picochip_override_options): Revert
12190         CFI asm flag disable commited previously.
12191
12192 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
12193             Tobias Grosser  <tobi.grosser@amd.com>
12194             Jan Sjodin  <jan.sjodin@amd.com>
12195
12196         * graphite.c (scan_tree_for_params): On substractions negate
12197         all the coefficients of the term.
12198         (clast_to_gcc_expression_red): New.  Handle reduction expressions
12199         of more than two operands.
12200         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
12201         (get_vdef_before_scop): Handle also the case of default definitions.
12202
12203 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
12204
12205         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
12206         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
12207         Also use them when walking CALL_INSN_FUNCTION_USAGE.
12208
12209 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
12210             Joey Ye  <joey.ye@intel.com>
12211
12212         PR middle-end/37843
12213         * cfgexpand.c (expand_stack_alignment): Don't update stack
12214         boundary nor check incoming stack boundary here.
12215         (gimple_expand_cfg): Update stack boundary and check incoming
12216         stack boundary here.
12217
12218 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
12219
12220         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
12221
12222 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
12223
12224         PR rtl-optimization/38245
12225         * calls.c (expand_call): Add stack arguments to
12226         CALL_INSN_FUNCTION_USAGE even for pure calls (when
12227         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
12228         in regs and partially in memory or BLKmode arguments.
12229         (emit_library_call_value_1): Add stack arguments to
12230         CALL_INSN_FUNCTION_USAGE even for pure calls (when
12231         ACCUMULATE_OUTGOING_ARGS).
12232         * dce.c: Include tm_p.h.
12233         (find_call_stack_args): New function.
12234         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
12235         argument.
12236         (mark_insn): Call find_call_stack_args for CALL_Ps.
12237         (prescan_insns_for_dce): Walk insns backwards in bb rather than
12238         forwards.  Allocate and free arg_stores bitmap if needed, pass it
12239         down to deletable_insn_p, don't mark stores set in arg_stores
12240         bitmap, clear the bitmap at the beginning of each bb.
12241         * Makefile.in (dce.o): Depend on $(TM_P_H).
12242
12243 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
12244
12245         PR target/22599
12246         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
12247         to make sure the insn is a conditional test (bug 22599).  Reformat a
12248         few long lines.
12249
12250 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
12251
12252         PR middle-end/38431
12253         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
12254         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
12255         (gloog): Do not call cleanup_tree_cfg.
12256         (graphite_transform_loops): Call cleanup_tree_cfg after all
12257         scops have been code generated.
12258
12259 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
12260         * doc/gty.texi (Invoking the garbage collector): Added new node
12261         and section documenting ggc_collect.
12262
12263 2009-01-14  Richard Guenther  <rguenther@suse.de>
12264
12265         PR tree-optimization/38826
12266         PR middle-end/38477
12267         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
12268         initialization notes only if we actually emitted a warning.
12269         (intra_create_variable_infos): Add constraints for a result decl
12270         that is passed by hidden reference.
12271         (build_pred_graph): Mark all related variables non-direct on
12272         address-taking.
12273
12274 2009-01-14  Nick Clifton  <nickc@redhat.com>
12275
12276         * ira-conflicts.c: Include addresses.h for the definition of
12277         base_reg_class.
12278         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
12279         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
12280
12281 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
12282
12283         PR target/38811
12284         * Makefile.in (ira-lives.o): Add except.h.
12285
12286         * ira-lives.c: Include except.h.
12287         (process_bb_node_lives): Process can_throw_internal.
12288
12289 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
12290
12291         PR rtl-optimization/38774
12292         * combine.c (simplify_set): When undoing cc_use change, don't do
12293         PUT_CODE on the newly created comparison, but instead put back the
12294         old comparison.
12295
12296 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
12297
12298         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
12299         values.  Remove duplicate arm8 entry.
12300
12301 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
12302
12303         PR tree-optimization/38786
12304         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
12305         the SSA_NAME case of expand_scalar_variables_expr.
12306         Set the type of an expression to the type of its assign statement.
12307         (expand_scalar_variables_expr): Also gather the scalar computation
12308         used to index the memory access.  Do not pass loop_p.
12309         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
12310         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
12311         the gimple_stmt_iterator where it inserts new code.
12312         Do not pass loop_p.
12313         (copy_bb_and_scalar_dependences): Do not pass loop_p.
12314         (translate_clast): Update call to copy_bb_and_scalar_dependences.
12315
12316 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
12317
12318         * graphite.h (debug_value): Removed.
12319         * graphite.c (debug_value): Removed.
12320
12321 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
12322
12323         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
12324         ldrd/strd with two 32-bit instructions.
12325
12326 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
12327
12328         * config/arm/arm.c (struct processors): Pass for speed down into
12329         cost helper functions.
12330         (const_ok_for_op): Handle COMPARE and inequality nodes.
12331         (arm_rtx_costs_1): Rewrite.
12332         (arm_size_rtx_costs): Update prototype.
12333         (arm_rtx_costs): Pass speed down to helper functions.
12334         (arm_slowmul_rtx_costs): Rework cost calculations.
12335         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
12336         (arm_9e_rtx_costs): Likewise.
12337
12338 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
12339
12340         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
12341         relocations of local symbols wider than UNITS_PER_WORD are not valid.
12342         (alpha_legitimize_address): Do not split local symbols wider than
12343         UNITS_PER_WORD into HIGH/LO_SUM parts.
12344
12345 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
12346
12347         PR bootstrap/38580
12348         * gcc.c (process_command): Replace call to execvp with calls
12349         to pex_one and exit.
12350
12351 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
12352
12353         PR target/29141
12354         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
12355         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
12356         variant for devices with 3-byte PC.
12357         (__tablejump_elpm__): New.
12358
12359 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
12360
12361         PR c/32041
12362         * c-parser.c (c_parser_postfix_expression): Allow `->' in
12363         offsetof member-designator, handle it as `[0].'.
12364
12365 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12366
12367         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
12368         function when not using named sections on targets with named sections
12369         if branch distance is less than 262132.
12370
12371 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
12372
12373         * combine.c (combine_instructions):  Recompute
12374         optimize_this_for_speed_p  for each BB in the main combine loop.
12375
12376 2009-01-12  Tomas Bily  <tbily@suse.cz>
12377
12378         PR middlend/38385
12379         * tree-loop-distribution.c (prop_phis): New function.
12380         (generate_builtin): Call prop_phis.
12381         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
12382
12383 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
12384
12385         PR tree-optimization/38807
12386         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
12387         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
12388
12389 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
12390
12391         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
12392         subreg of op0 to the original op0.
12393
12394 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
12395
12396         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
12397
12398 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
12399
12400         PR debug/7055
12401         * mips-tfile.c (parse_def): Fix parsing of def strings
12402         starting with digits.
12403
12404 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
12405
12406         PR target/38695
12407         * config/arm/arm.c (arm_is_long_call_p): Don't call
12408         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
12409
12410 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
12411
12412         * regrename.c (regrename_optimize): Fix dumping.
12413         (find_oldest_value_reg): Preserve REG_POINTER.
12414         (copy_hardreg_forward_1): Likewise.
12415
12416 2009-01-09  Diego Novillo  <dnovillo@google.com>
12417
12418         * gimple.h (struct gimple_statement_base) <uid>: Document
12419         the restrictions on its use.
12420         (gimple_uid): Tidy.
12421         (gimple_set_uid): Tidy.
12422
12423 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
12424
12425         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
12426         zero guard even if align_bytes != 0 and count is smaller than
12427         size_needed.
12428
12429 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
12430
12431         PR rtl-optimization/38495
12432         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
12433         (add_range_and_copies_from_move_list): Print all added ranges.
12434         Add ranges to memory optimized destination.
12435
12436 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
12437
12438         PR target/38686
12439         PR target/38708
12440         * config/i386/i386.c (override_options): Reject
12441         -mstringop-strategy=rep_8byte with -m32.
12442         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
12443         to 1.  Do count comparison against epilogue_size_needed at compile
12444         time even when count_exp was constant forced into register.  For
12445         size_needed don't jump to epilogue, instead just avoid aligning
12446         and invoke the body algorithm.  If need_zero_guard, add zero guard
12447         even if count is non-zero, but smaller than size_needed + number of
12448         bytes that could be stored for alignment.
12449         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
12450         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
12451         but smaller than size_needed + number of bytes that could be stored
12452         for alignment.  Compare size_needed with epilogue_size_needed instead
12453         of desired_align - align, don't adjust size_needed, pass
12454         epilogue_size_needed to the epilogue expanders.
12455
12456         PR c/35742
12457         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
12458
12459 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12460
12461         * pa.c (last_address): Change to unsigned.
12462         (update_total_code_bytes): Change argument to unsigned.  Don't
12463         check if insn addresses are set.
12464         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
12465         addresses are not set.
12466         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
12467
12468 2009-01-09  Nick Clifton  <nickc@redhat.com>
12469
12470         * config/sh/symbian.c: Replace uses of DECL_INLINE with
12471         DECL_DECLARED_INLINE_P.
12472
12473 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
12474
12475         PR middle-end/38347
12476         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
12477         GET_MODE (op0) in operand_subword_force calls.
12478
12479         PR middle-end/38771
12480         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
12481         fold_convert arg0 operands to TREE_TYPE (op0) first.
12482
12483 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
12484
12485         * params.def (ira-max-conflict-table-size): Decrease default value
12486         to 1000.
12487
12488 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
12489
12490         PR tree-optimization/37031
12491         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
12492         on parameter_set.
12493         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
12494         allocate it using gc instead of heap, use VEC_quick_push instead of
12495         VEC_safe_push.
12496         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
12497         instead of heap, use VEC_quick_push instead of VEC_safe_push.
12498         * tree-data-ref.h (struct access_matrix): Change matrix to gc
12499         allocated vector from heap allocated.
12500         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
12501         * tree-loop-linear.c (linear_transform_loops): Allocate nest
12502         vector only after perfect_loop_nest_depth call.
12503
12504 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
12505             Jan Sjodin  <jan.sjodin@amd.com>
12506
12507         PR tree-optimization/38559
12508         * graphite.c (debug_value, copy_constraint,
12509         swap_constraint_variables, scale_constraint_variable, ): New.
12510         (get_lower_bound, get_upper_bound): Removed.
12511         (graphite_trans_bb_strip_mine): Clean up this code that works
12512         only for constant number of iterations.  Fully copy upper and
12513         lower bound constraints, not only the constant part of them.
12514         * graphite.h (debug_value): Declared.
12515
12516 2009-01-08  Ira Rosen  <irar@il.ibm.com>
12517
12518         PR tree-optimization/37194
12519         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
12520         Don't add the cost of cost model guard in prologue to scalar
12521         outside cost in case of known number of iterations.
12522
12523 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
12524             Alan Modra  <amodra@bigpond.net.au>
12525
12526         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
12527         non-word-aligned REG+CONST addressing.
12528
12529 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
12530
12531         PR target/38706
12532         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
12533         free_after_compilation when outputting a thunk.
12534         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
12535         Do not call free_after_compilation here.
12536
12537 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
12538
12539         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
12540         (ix86_valid_target_attribute_inner_p): Ditto.
12541
12542 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
12543
12544         PR tree-optimization/38492
12545         PR tree-optimization/38498
12546         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
12547         * tree-chrec.h (scev_is_linear_expression): Declared.
12548         * graphite.c (graphite_cannot_represent_loop_niter): New.
12549         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
12550         (graphite_loop_normal_form): Use gcc_assert.
12551         (scan_tree_for_params): Use CASE_CONVERT.
12552         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
12553         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
12554         Use gcc_assert.  Discard scops that contain unhandled cases.
12555         (build_scop_conditions): Return a boolean status for unhandled cases.
12556         (strip_mine_profitable_p): Print the loop number, not its depth.
12557         (is_interchange_valid): Pass the depth of the loop nest, don't
12558         recompute it wrongly.
12559         (graphite_trans_bb_block): Same.
12560         (graphite_trans_bb_block): Print tentative of loop blocking.
12561         (graphite_trans_scop_block): Do not print that the loop has been
12562         blocked.
12563         (graphite_transform_loops): Do not handle scops that contain condition
12564         scalar phi nodes.
12565
12566 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
12567
12568         AVX Programming Reference (December, 2008)
12569         * config/i386/avxintrin.h (_mm256_stream_si256): New.
12570         (_mm256_stream_pd): Likewise.
12571         (_mm256_stream_ps): Likewise.
12572
12573         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
12574         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
12575         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
12576         (bdesc_special_args): Add __builtin_ia32_movntdq256,
12577         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
12578         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
12579         (ix86_expand_special_args_builtin): Likewise.
12580
12581         * config/i386/sse.md (AVXMODEDI): New.
12582         (avx_movnt<mode>): Likewise.
12583         (avx_movnt<mode>): Likewise.
12584         (<sse>_movnt<mode>): Remove AVX support.
12585         (sse2_movntv2di): Likewise.
12586
12587 2009-01-07  Richard Guenther  <rguenther@suse.de>
12588
12589         PR middle-end/38751
12590         * fold-const.c (extract_muldiv): Remove obsolete comment.
12591         (fold_plusminus_mult_expr): Undo MINUS_EXPR
12592         to PLUS_EXPR canonicalization for the canonicalization.
12593
12594 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
12595
12596         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
12597         hosted cross-compilers generating less efficient code.
12598
12599 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
12600
12601         * function.h (rtl_data): Add a dbr_scheduled_p field.
12602         * reorg.c (dbr_schedule): Set it.
12603         (gate_handle_delay_slots): Check it.
12604         * config/mips/mips.c (mips_base_delayed_branch): Delete.
12605         (mips_reorg): Check flag_delayed_branch instead of
12606         mips_base_delayed_branch.
12607         (mips_override_options): Don't set mips_base_delayed_branch
12608         or flag_delayed_branch.
12609
12610 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
12611
12612         PR rtl-optimization/38426.
12613         * ira.c (ira): Set current_function_is_leaf earlier.
12614
12615 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
12616
12617         PR rtl-optimization/38722
12618         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
12619         too early, only set a flag and modify after last possible
12620         undo_all point.
12621
12622 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
12623
12624         PR c/34252
12625         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
12626         * real.c (decimal_single_format): Correct values of emin and emax.
12627         (decimal_double_format): Ditto.
12628         (decimal_quad_format): Ditto.
12629         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
12630         computation of DECnn_MIN and DECnn_MAX for corrected values of
12631         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
12632         __DECnn_MIN__, and adjust its computation for the corrected value
12633         of emin.
12634
12635 2009-01-06  Jan Hubicka  <jh@suse.cz>
12636
12637         PR target/38744
12638         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
12639
12640 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
12641
12642         * doc/contrib.texi (Contributors): Slightly adjust the end note.
12643         Add Robert Clark to the list of testers.
12644
12645 2009-01-06  Jan Hubicka  <jh@suse.cz>
12646             Kai Tietz  <kai.tietz@onevision.com>
12647
12648         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
12649         * config/i386/i386.c (ix86_expand_call): Add clobbers.
12650
12651 2009-01-06  Jan Hubicka  <jh@suse.cz>
12652             Kai Tietz  <kai.tietz@onevision.com>
12653
12654         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
12655         for w64 ABI.
12656         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
12657         (ix86_nsaved_regs): Count only general purpose regs.
12658         (ix86_nsaved_sseregs): New.
12659         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
12660         to 16 for w64; compute padding and size of sse reg save area.
12661         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
12662         general purpose regs.
12663         (ix86_emit_save_sse_regs_using_mov): New.
12664         (ix86_expand_prologue): Save SSE regs if needed.
12665         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
12666         (ix86_emit_restore_sse_regs_using_mov): New.
12667         (ix86_expand_epilogue): Save SSE regs if needed.
12668
12669 2009-01-06  Jan Hubicka  <jh@suse.cz>
12670             Kai Tietz  <kai.tietz@onevision.com>
12671
12672         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
12673         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
12674         functions when accumulate outgoing args is off.
12675
12676 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
12677
12678         PR bootstrap/38742
12679         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
12680         before using pseudos_have_intersected_live_ranges_p.
12681
12682         * ira-int.h (ira_assert): Always define.
12683
12684 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
12685
12686         AVX Programming Reference (December, 2008)
12687         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
12688         (_mm256_permute2_pd): Likewise.
12689         (_mm_permute2_ps): Likewise.
12690         (_mm256_permute2_ps): Likewise.
12691         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
12692         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
12693
12694         * config/i386/i386.c (ix86_builtins): Remove
12695         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
12696         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
12697         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
12698         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
12699         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
12700         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
12701         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
12702         __builtin_ia32_vpermil2ps256.
12703         (ix86_init_mmx_sse_builtins): Updated.
12704         (ix86_expand_args_builtin): Likewise.
12705
12706 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12707
12708         * pa.c (output_call): Relocate non-jump insns in the delay slot of
12709         long absolute calls when generating PA 2.0 code.
12710
12711 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
12712
12713         PR rtl-optimization/38583
12714         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
12715
12716         * params.def (ira-max-conflict-table-size): New.
12717
12718         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
12719
12720         * ira.h (ira_conflicts_p): New external definition.
12721
12722         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
12723         table.  Report this.  Return result of building.
12724         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
12725         building conflict table.
12726
12727         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
12728         (ira_color): Use ira_conflicts_p.
12729
12730         * global.c: Include ira.h.
12731         (pseudo_for_reload_consideration_p, build_insn_chain): Use
12732         ira_conflicts_p.
12733
12734         * Makefile.in (global.o): Add ira.h.
12735
12736         * ira-build.c (mark_all_loops_for_removal,
12737         propagate_some_info_from_allocno): New.
12738         (remove_unnecessary_allocnos): Call
12739         propagate_some_info_from_allocno.
12740         (remove_low_level_allocnos): New.
12741         (remove_unnecessary_regions): Add parameter.  Call
12742         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
12743         parameter to remove_unnecessary_regions.
12744         (ira_build): Remove all regions but root if the conflict table was
12745         not built.  Update conflict hard regs for allocnos crossing calls.
12746
12747         * ira.c (ira_conflicts_p): New global.
12748         (ira): Define and use ira_conflicts_p.
12749
12750         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
12751         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
12752         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
12753
12754 2009-01-06  Ben Elliston  <bje@au.ibm.com>
12755
12756         * gengtype-lex.l (YY_NO_INPUT): Define.
12757
12758 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12759
12760         PR c/34911
12761         * c-common.c (handle_vector_size_attribute): Also reject
12762         BOOLEAN_TYPE types.
12763
12764 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
12765
12766         PR tree-optimization/38492
12767         * graphite.c (rename_map_elt, debug_rename_elt,
12768         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
12769         rename_map_elt_info, eq_rename_map_elts,
12770         get_new_name_from_old_name, bb_in_sese_p): Moved around.
12771         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
12772         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
12773         (sese_build_livein_liveouts): New.
12774         (new_sese, free_sese): New.
12775         (new_scop): Call new_sese.
12776         (free_scop): Call free_sese.
12777         (rename_variables_from_edge, rename_phis_end_scop): Removed.
12778         (register_old_new_names): Renamed register_old_and_new_names.
12779         (register_scop_liveout_renames, add_loop_exit_phis,
12780         insert_loop_close_phis, struct igp,
12781         default_liveout_before_guard, add_guard_exit_phis,
12782         insert_guard_phis, copy_renames): New.
12783         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
12784         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
12785         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
12786         (scop_adjust_phis_for_liveouts): New.
12787         (gloog): Call scop_adjust_phis_for_liveouts.
12788
12789         * graphite.h (struct sese): Documented.  Added fields liveout,
12790         num_ver and livein.
12791         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
12792         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
12793         (struct scop): Added field liveout_renames.
12794         (SCOP_LIVEOUT_RENAMES): New.
12795
12796 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12797
12798         PR tree-optimization/38510
12799         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
12800         (translate_clast): Call recompute_all_dominators before
12801         graphite_verify.
12802         (gloog): Call recompute_all_dominators before graphite_verify.
12803
12804 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12805             Jan Sjodin  <jan.sjodin@amd.com>
12806
12807         PR tree-optimization/38500
12808         * graphite.c (create_sese_edges): Call fix_loop_structure after
12809         splitting blocks.
12810
12811 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
12812
12813         * config.gcc: Add m32r*-*-rtems*.
12814         * config/m32r/rtems.h: New file.
12815
12816 2009-01-05  Ben Elliston  <bje@au.ibm.com>
12817
12818         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
12819         (.po.pox): Likewise.
12820         (po/gcc.pot): Likewise.
12821
12822 2009-01-04  David S. Miller  <davem@davemloft.net>
12823
12824         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
12825         (STARTING_FRAME_OFFSET): Always set to zero.
12826
12827 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
12828
12829         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
12830         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
12831         fixed-point types, and vectors of the same.
12832
12833 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
12834
12835         * config/mips/sync.md (*mb_barrier): Rename to...
12836         (*memory_barrier): ...this.
12837
12838 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
12839
12840         * doc/extend.texi (Function Attributes): Move @cindex after @item
12841         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
12842         and put in alphabetical order. Fix 'target' name and put in order.
12843         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
12844         typos.
12845
12846 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
12847
12848         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
12849         (memory_barrier): Expand as unspec instead of unspec_volatile.
12850         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12851         (*memory_barrier): Define as unspec instead of unspec_volatile.
12852         Use (match_dup 0) as input operand.
12853
12854         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
12855         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
12856         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
12857         scratch register.  Remove operand 1.
12858         (*stbar): Define as unspec instead of unspec_volatile.
12859         Use (match_dup 0) as input operand, remove (const_int 8).
12860         (*membar): Define as unspec instead of unspec_volatile.
12861         Use (match_dup 0) as input operand, remove input operand 2.
12862
12863         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
12864         (memory_barrier): Expand as unspec instead of unspec_volatile.
12865         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12866         (*memory_barrier): Define as unspec instead of unspec_volatile.
12867         Use (match_dup 0) as input operand.
12868
12869         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
12870         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12871         Set volatile flag on operand 0.
12872         (*memory_barrier): New insn pattern.
12873
12874         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
12875         insn operands.
12876         (*memory_barrier): Use (match_dup 0) as input operand.
12877
12878         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
12879         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12880         Set volatile flag on operand 0.
12881         (*mb_internal): New insn pattern.
12882
12883         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
12884
12885 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
12886
12887         PR middle-end/38586
12888         * function.c (struct temp_slot): Move to the section of the file
12889         that deals with temp slots.  Remove field 'address'.
12890         (temp_slot_address_table): New hash table of address -> temp slot.
12891         (struct temp_slot_address_entry): New struct, items for the table.
12892         (temp_slot_address_compute_hash, temp_slot_address_hash,
12893         temp_slot_address_eq, insert_temp_slot_address): Support functions
12894         for the new table.
12895         (find_temp_slot_from_address): Rewrite to use the new hash table.
12896         (remove_unused_temp_slot_addresses): Remove addresses of temp
12897         slots that have been made available.
12898         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
12899         worker function for remove_unused_temp_slot_addresses.
12900         (assign_stack_temp_for_type): Don't clear the temp slot address list.
12901         Add the temp slot address to the address -> temp slot map.
12902         (update_temp_slot_address): Update via insert_temp_slot_address.
12903         (free_temp_slots): Call remove_unused_temp_slot_addresses.
12904         (pop_temp_slots): Likewise.
12905         (init_temp_slots): Allocate the address -> temp slot map, or empty
12906         the map if it is already allocated.
12907         (prepare_function_start): Initialize temp slot processing.
12908
12909 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
12910
12911         PR middle-end/38584
12912         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
12913         Calculate the size of all stack vars assuming no packing of stack
12914         vars will happen, replacing a quadratic algorithm with a linear one.
12915
12916 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
12917
12918         PR target/38707
12919         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
12920         can't be used.
12921
12922 2009-01-03  Diego Novillo  <dnovillo@google.com>
12923
12924         * doc/contrib.texi: Update contributions.
12925
12926 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
12927
12928         PR c++/38705
12929         * builtins.c (fold_builtin_memory_op): Give up if either operand
12930         is volatile.  Set srctype or desttype to non-qualified version
12931         of the other type.
12932
12933         PR c/38700
12934         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
12935         and FUNCTION_DECLs.
12936
12937 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
12938
12939         PR rtl-optimization/35805
12940         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
12941         problem if fast dce is able to remove any instructions.
12942         * dce.c (dce_process_block): Fix dump message.
12943
12944 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
12945
12946         PR 33649
12947         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
12948
12949 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
12950
12951         PR middle-end/38690
12952         * tree-flow.h (op_code_prio, op_prio): New prototypes.
12953         * tree-pretty-print.c (op_code_prio): New function.
12954         (op_prio): No longer static.  Use op_code_prio.
12955         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
12956         Use op_prio and op_code_prio to determine if () should be
12957         printed around operand(s) or not.
12958
12959         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
12960         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
12961         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
12962         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
12963         pp_character instead of pp_string for single letter printing.
12964
12965 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
12966
12967         * doc/extend.texi: Fix '#pragma GCC option' typo.
12968
12969 2009-01-02  Richard Guenther  <rguenther@suse.de>
12970
12971         * doc/install.texi (--enable-checking): Mention different
12972         default for stage1.
12973         (--enable-stage1-checking): Document.
12974
12975 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
12976
12977         PR middle-end/30142
12978         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
12979         case to be an error.
12980
12981 2009-01-02  Ben Elliston  <bje@au.ibm.com>
12982
12983         * config/fp-bit.h (pack_d): Constify argument.
12984         * config/fp-bit.c (makenan): Constify return type. Remove casts.
12985         (isnan): Constify argument.
12986         (isinf): Likewise.
12987         (iszero): Likewise.
12988         (pack_d): Likewise.
12989         (_fpadd_parts): Constify return type.
12990         (_fpmul_parts): Likewise.
12991         (_fpdiv_parts): Likewise.
12992
12993 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
12994
12995         PR c/36489
12996         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
12997         warn about overwriting initializer with side-effects or
12998         -Woverride-init if !IMPLICIT.
12999         (output_init_element): Likewise.  Pass IMPLICIT down to
13000         add_pending_init.
13001         (process_init_element): Add IMPLICIT argument.  Pass it down
13002         to output_init_element.
13003         (push_init_element, pop_init_level, set_designator): Adjust
13004         process_init_element callers.
13005         (set_nonincremental_init, set_nonincremental_init_from_string):
13006         Adjust add_pending_init callers.
13007         (output_pending_init_elements): Adjust output_init_element callers.
13008         * c-tree.h (process_init_element): Adjust prototype.
13009         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
13010         process_init_element callers.
13011
13012 \f
13013 Copyright (C) 2009 Free Software Foundation, Inc.
13014
13015 Copying and distribution of this file, with or without modification,
13016 are permitted in any medium without royalty provided the copyright
13017 notice and this notice are preserved.