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* config/i386/i386.md (*fop_<mode>_1_i387): Use SSE_FLOAT_MODE_P
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
2
3         * config/i386/i386.md (*fop_<mode>_1_i387): Use SSE_FLOAT_MODE_P
4         together with SSE_TARGET_MATH to disable insn pattern.
5         (*fop_<MODEF:mode>_2_i387): Ditto.
6         (*fop_<MODEF:mode>_3_i387): Ditto.
7
8 2008-06-22  Andy Hutchinson  <hutchinsonandy@aim.com>
9
10         * config/avr/avr.h (SUPPORTS_INIT_PRIORITY): Define.
11         
12 2008-06-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
13
14         PR middle-end/34906
15         * gimplify.c (gimplify_asm_expr): Check the return code of
16         parse_output_constraint call, set function return and is_inout
17         value if it failed.
18
19 2008-06-22  Ian Lance Taylor  <iant@google.com>
20
21         * c-lex.c (narrowest_unsigned_type): Change itk to int.
22         (narrowest_signed_type): Likewise.
23         * c-typeck.c (c_common_type): Change local variable mclass to enum
24         mode_class, twice.
25         (parser_build_binary_op): Compare the TREE_CODE_CLASS with
26         tcc_comparison, not the tree code itself.
27         * c-common.c (def_fn_type): Pass int, not an enum, to va_arg.
28         (c_expand_expr): Cast modifier to enum expand_modifier.
29         * c-common.h (C_RID_CODE): Add casts.
30         (C_SET_RID_CODE): Define.
31         * c-parser.c (c_parse_init): Use C_SET_RID_CODE.
32         (c_lex_one_token): Add cast to avoid warning.
33         (c_parser_objc_type_name): Rename local typename to type_name.
34         (check_no_duplicate_clause): Change code parameter to enum
35         omp_clause_code.
36         (c_parser_omp_var_list_parens): Change kind parameter to enum
37         omp_clause_code.
38         (c_parser_omp_flush): Pass OMP_CLAUSE_ERROR, not 0, to
39         c_parser_omp_list_var_parens.
40         (c_parser_omp_threadprivate): Likewise.
41         * cp/lex.c (init_reswords): Use C_SET_RID_CODE.
42         * cp/parser.c (cp_lexer_get_preprocessor_token): Likewise.
43         * c-format.c (NO_FMT): Define.
44         (printf_length_specs): Use NO_FMT.
45         (asm_fprintf_length_specs): Likewise.
46         (gcc_diag_length_specs): Likewise.
47         (scanf_length_specs): Likewise.
48         (strfmon_length_specs): Likewise.
49         (gcc_gfc_length_specs): Likewise.
50         (printf_flag_specs): Change 0 to STD_C89.
51         (asm_fprintf_flag_specs): Likewise.
52         (gcc_diag_flag_specs): Likewise.
53         (gcc_cxxdiag_flag_specs): Likewise.
54         (scanf_flag_specs): Likewise.
55         (strftime_flag_specs): Likewise.
56         (strfmon_flag_specs): Likewise.
57         (print_char_table): Likewise.
58         (asm_fprintf_char_table): Likewise.
59         (gcc_diag_char_table): Likewise.
60         (gcc_tdiag_char_table): Likewise.
61         (gcc_cdiag_char_table): Likewise.
62         (gcc_cxxdiag_char_table): Likewise.
63         (gcc_gfc_char_table): Likewise.
64         (scan_char_table): Likewise.
65         (time_char_table): Likewis.
66         (monetary_char_table): Likewise.
67         * c-format.h (BADLEN): Likewise.
68
69 2008-06-21  Ian Lance Taylor  <iant@google.com>
70
71         * tree.h (enum tree_code): Include all-tree.def, not tree.def.
72         Define END_OF_BASE_TREE_CODES around inclusion.
73         * tree.c (tree_code_type): New global array.
74         (tree_code_length, tree_code_name): Likewise.
75         * Makefile.in (TREE_H): Add all-tree.def, c-common.def, and
76         $(lang_tree_files).
77         (all-tree.def, s-alltree): New targets.
78         (gencheck.h, s-gencheck): Remove.
79         (tree.o): Depend upon all-tree.def.
80         (build/gencheck.o): Remove gencheck.h dependency.
81         (mostlyclean): Don't remove gencheck.h.
82         * c-common.h (enum c_tree_code): Remove.
83         * c-lang.c (tree_code_type): Remove.
84         (tree_code_length, tree_code_name): Remove.
85         * gencheck.c (tree_codes): Include all-tree.def, rather than
86         tree.def, c-common.def, and gencheck.h.  Undefined DEFTREECODE
87         after it is used.
88         * tree-browser.c (tb_tree_codes): Include all-tree.def, rather
89         than tree.def.
90         * cp/cp-tree.h (enum cplus_tree_code): Remove.
91         (operator_name_info): Size to MAX_TREE_CODES.
92         (assignment_operator_name_info): Likewise.
93         * cp/cp-lang.c (tree_code_type): Remove.
94         (tree_code_length, tree_code_name): Remove.
95         * cp/lex.c (operator_name_info): Size to MAX_TREE_CODES.
96         (assignment_operator_name_info): Likewise.
97         * cp/decl.c (grok_op_properties): Change LAST_CPLUS_TREE_CODE to
98         MAX_TREE_CODES.
99         * cp/mangle.c (write_expression): Likewise.
100         * cp/Make-lang.in (CXX_TREE_H): Remove cp/cp-tree.def.
101         * fortran/f95-lang.c (tree_code_type): Remove.
102         (tree_code_length, tree_code_name): Remove.
103         * java/java-tree.h (enum java_tree_code): Remove.
104         * java/lang.c (tree_code_type): Remove.
105         (tree_code_length, tree_code_name): Remove.
106         * java/Make-lang.in (JAVA_TREE_H): Remove java/java-tree.def.
107         * objc/objc-act.h (enum objc_tree_code): Remove.
108         * objc/objc-lang.c (tree_code_type): Remove.
109         (tree_code_length, tree_code_name): Remove.
110         * objcp/objcp-lang.c (tree_code_type): Remove.
111         (tree_code_length, tree_code_name): Remove.
112         * ada/ada-tree.h (enum gnat_tree_code): Remove.
113         * ada/Make-lang.in (ADA_TREE_H): Remove ada/ada-tre.def.
114         * ada/misc.c (tree_code_type): Remove.
115         (tree_code_length, tree_code_name): Remove.
116
117 2008-06-21  Bernhard Fischer  <aldot@gcc.gnu.org>
118
119         * tree-ssa-pre.c (fini_antic): Bitmap_sets have to be freed before
120         the grand_bitmap_obstack.
121
122 2008-06-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
123
124         * ggc.h (GGC_RESIZEVAR): New, reorder macros.
125         * tracer.c (tail_duplicate): Fix for -Wc++-compat.
126         * tree-affine.c (aff_combination_expand, free_name_expansion):
127         Likewise.
128         * tree-cfg.c (replace_by_duplicate_decl, replace_ssa_name,
129         move_stmt_r, new_label_mapper): Likewise.
130         * tree-complex.c (cvc_lookup): Likewise.
131         * tree-dfa.c (create_function_ann): Likewise.
132         * tree-dump.c (dump_register): Likewise.
133         * tree-if-conv.c (tree_if_conversion, add_to_predicate_list,
134         find_phi_replacement_condition): Likewise.
135         * tree-inline.c (copy_phis_for_bb, estimate_num_insns_1,
136         tree_function_versioning): Likewise.
137         * tree-into-ssa.c (cmp_dfsnum): Likewise.
138         * tree-iterator.c (tsi_link_before, tsi_link_after): Likewise.
139         * tree-nested.c (lookup_field_for_decl, lookup_tramp_for_decl,
140         get_nonlocal_debug_decl, convert_nonlocal_reference,
141         convert_nonlocal_omp_clauses, get_local_debug_decl,
142         convert_local_reference, convert_local_omp_clauses,
143         convert_nl_goto_reference, convert_nl_goto_receiver,
144         convert_tramp_reference, convert_call_expr): Likewise.
145         * tree-outof-ssa.c (contains_tree_r): Likewise.
146         * tree-parloops.c (reduction_phi, initialize_reductions,
147         eliminate_local_variables_1, add_field_for_reduction,
148         add_field_for_name, create_phi_for_local_result,
149         create_call_for_reduction_1, create_loads_for_reductions,
150         create_stores_for_reduction, create_loads_and_stores_for_name):
151         Likewise.
152         * tree-phinodes.c (allocate_phi_node): Likewise.
153         * tree-predcom.c (order_drefs, execute_pred_commoning_cbck): Likewise.
154         * tree-sra.c (sra_elt_hash, sra_elt_eq, lookup_element): Likewise.
155         * tree-ssa-alias.c (get_mem_sym_stats_for): Likewise.
156         * tree-ssa-coalesce.c (compare_pairs): Likewise.
157         * tree-ssa-loop-im.c (mem_ref_in_stmt, memref_hash, memref_eq,
158         memref_free, gather_mem_refs_stmt, vtoe_hash, vtoe_eq, vtoe_free,
159         record_vop_access, get_vop_accesses, get_vop_stores): Likewise.
160         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise. 
161         * tree-ssa-sccvn.c (VN_INFO_GET, free_phi, free_reference,
162         vn_nary_op_insert): Likewise.
163         * tree-ssa.c (redirect_edge_var_map_add,
164         redirect_edge_var_map_clear, redirect_edge_var_map_dup): Likewise.
165         * tree-vectorizer.c (vectorize_loops): Likewise.
166         * tree.c (make_node_stat, copy_node_stat, build_int_cst_wide,
167         build_fixed, build_real, make_tree_binfo_stat, make_tree_vec_stat,
168         tree_cons_stat, build1_stat, build_variant_type_copy,
169         decl_init_priority_lookup, decl_fini_priority_lookup,
170         decl_priority_info, decl_restrict_base_lookup,
171         decl_restrict_base_insert, decl_debug_expr_lookup,
172         decl_debug_expr_insert, decl_value_expr_lookup,
173         decl_value_expr_insert, type_hash_eq, type_hash_lookup,
174         type_hash_add, get_file_function_name, tree_check_failed,
175         tree_not_check_failed, tree_range_check_failed,
176         omp_clause_range_check_failed, build_omp_clause,
177         build_vl_exp_stat): Likewise.
178         * value-prof.c (gimple_histogram_value,
179         gimple_duplicate_stmt_histograms): Likewise.
180         * var-tracking.c (attrs_list_insert, attrs_list_copy,
181         unshare_variable, variable_union_info_cmp_pos, variable_union,
182         dataflow_set_different_1, dataflow_set_different_2,
183         vt_find_locations, variable_was_changed, set_variable_part,
184         emit_notes_for_differences_1, emit_notes_for_differences_2): Likewise.
185         * varasm.c (prefix_name, emutls_decl, section_entry_eq,
186         section_entry_hash, object_block_entry_eq,
187         object_block_entry_hash, create_block_symbol,
188         initialize_cold_section_name, default_function_rodata_section,
189         strip_reg_name, set_user_assembler_name, const_desc_eq,
190         build_constant_desc, output_constant_def, lookup_constant_def,
191         const_desc_rtx_hash, const_desc_rtx_eq, const_rtx_hash_1,
192         create_constant_pool, force_const_mem, compute_reloc_for_rtx_1,
193         default_internal_label): Likewise.
194         * varray.c (varray_init, varray_grow): Likewise.
195         * vec.c (vec_gc_o_reserve_1, vec_heap_o_reserve_1): Likewise.
196
197 2008-06-20  Uros Bizjak  <ubizjak@gmail.com>
198
199         * config/i386/i386.md (*jcc_fused_1): Handle all valid compare
200         operators for "test" insn.  Macroize insn using SWI mode macro.
201         (*jcc_fused_2): Ditto.
202         (*jcc_fused_3): Macroize insn using SWI mode macro.
203         (*jcc_fused_4): Ditto.
204
205 2008-06-20  Bernhard Fischer  <aldot@gcc.gnu.org>
206
207         * tree-ssa-pre.c: Fix typo in comment.
208         (init_antic, fini_antic): Add explicit funtions for
209         initializing and deinitializing ANTIC and AVAIL sets.
210         (create_expression_by_pieces): Fix typo in comment.
211         Remove redundant set of new_stuff and use NULL_TREE instead of NULL.
212         (execute_pre): Eventually dump details about ANTIC_IN.
213
214 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
215
216         * collect2.c (main, add_to_list): Fix for -Wc++-compat.
217         * gcc.c (translate_options, init_spec, store_arg, read_specs,
218         add_to_obstack, file_at_path, find_a_file, execute,
219         add_preprocessor_option, add_assembler_option, add_linker_option,
220         process_command, insert_wrapper, do_option_spec, do_self_spec,
221         spec_path, do_spec_1, is_directory, main, used_arg,
222         getenv_spec_function): Likewise.
223         * tlink.c (symbol_hash_lookup, file_hash_lookup,
224         demangled_hash_lookup, symbol_push, file_push, frob_extension):
225         Likewise.
226
227 2008-06-19  Kenneth Zadeck <zadeck@naturalbridge.com>
228
229         * doc/rtl.texi: Updated subreg section.
230
231 2008-06-19  Jakub Jelinek  <jakub@redhat.com>
232
233         PR c++/36523
234         * cgraphunit.c (cgraph_process_new_functions): Don't clear
235         node->needed and node->reachable.
236         * cgraphbuild.c (record_reference): Handle OMP_PARALLEL and OMP_TASK.
237         * omp-low.c (delete_omp_context): Call finalize_task_copyfn.
238         (expand_task_call): Don't call expand_task_copyfn.
239         (expand_task_copyfn): Renamed to...
240         (finalize_task_copyfn): ... this.
241
242 2008-06-19  Jan Hubicka  <jh@suse.cz>
243
244         * builtins.c (expand_builtin_nonlocal_goto): Stabilize r_sp before
245         clobbering framepointer.
246
247 2008-06-19  Jan Hubicka  <jh@suse.cz>
248
249         * tree-optimize.c (execute_early_local_optimizations): Set
250         cgraph_state only at first invocation.
251
252 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
253
254         * system.h (-Wc++-compat): Activate as a warning, no an error.
255
256 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
257
258         * config/i386/i386.md (*jcc_fused_1): Use ASM_COMMENT_START
259         instead of "#" in insn asm template.
260         (*jcc_fused_2): Ditto.
261
262 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
263
264         * config/i386/i386.h (ix86_tune_indices)
265         [X86_TUNE_FUSE_CMP_AND_BRANCH]: New.
266         (TARGET_FUSE_CMP_AND_BRANCH): New define.
267         * config/i386/i386.md (*jcc_fused_1): New insn pattern
268         (*jcc_fused_2): Ditto.
269         * config/i386/i386.c (ix86_tune_features): Add m_CORE2 to
270         X86_TUNE_FUSE_CMP_AND_BRANCH targets.
271         (print operand): Handle 'E' and 'e' code.
272
273 2008-06-19  Anatoly Sokolov  <aesok@post.ru>
274
275         * config/avr/avr.c (avr_mcu_t): Add attiny13a.
276         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
277         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
278
279 2008-06-19  Bernhard Fischer  <aldot@gcc.gnu.org>
280
281         * cgraphunit.c (cgraph_finalize_function): Remove redundant setting of
282         node->decl.
283         (cgraph_expand_function): Use local copy of decl.
284         (cgraph_expand_all_functions): Remove redundant initialization of
285         order_pos.
286         (cgraph_optimize): Reword internal_error message.
287
288 2008-06-19  Chung-Lin Tang  <ctang@marvell.com>
289
290         * arm-protos.h (arm_return_in_memory): Remove public
291         arm_return_in_memory() prototype.
292         * arm.c (arm_return_in_memory): Add static prototype, add target
293         hook macro, change definition and comments.
294         * arm.h (TARGET_RETURN_IN_MEMORY): Remove.
295
296 2008-06-19  Ben Elliston  <bje@au.ibm.com>
297
298         * dfp.h, dfp.c, config/dfp-bit.h, config/dfp-bit.c, real.h,
299         real.c: Remove references to IEEE 754R.
300         * doc/install.texi (Configuration): IEEE 754R -> IEEE 754-2008.
301         * doc/libgcc.texi (Decimal float library routines): Likewise.
302
303 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
304
305         * targhooks.h (struct gcc_target): New member unwind_word_mode.
306         (default_unwind_word_mode): Add prototype.
307         * targhooks.c (default_unwind_word_mode): New function.
308         (default_eh_return_filter_mode): Return targetm.unwind_word_mode ()
309         instead of word_mode.
310         * target-def.h (TARGET_UNWIND_WORD_MODE): New macro.
311         (TARGET_INITIALIZER): Use it.
312
313         * c-common.c (handle_mode_attribute): Support "unwind_word"
314         mode attribute.
315         * unwind-generic.h (_Unwind_Word, _Unwind_Sword): Use it.
316
317         * except.c (init_eh): Use targetm.unwind_word_mode () instead of
318         word_mode to access SjLj_Function_Context member "data".
319         (sjlj_emit_dispatch_table): Likewise.  Also, perform type
320         conversion from targetm.eh_return_filter_mode () to
321         targetm.unwind_word_mode () if they differ.
322
323         * builtin-types.def (BT_UNWINDWORD): New primitive type.
324         (BT_FN_UNWINDWORD_PTR): New function type.
325         (BT_FN_WORD_PTR): Remove.
326         * builtins.def (BUILT_IN_EXTEND_POINTER): Use BT_FN_UNWINDWORD_PTR.
327         * except.c (expand_builtin_extend_pointer): Convert pointer to
328         targetm.unwind_word_mode () instead of word_mode.
329
330         * config/spu/spu-protos.h (spu_eh_return_filter_mode): Remove.
331         * config/spu/spu.c (spu_eh_return_filter_mode): Remove.
332         (spu_unwind_word_mode): New function.
333         (TARGET_EH_RETURN_FILTER_MODE): Do not define.
334         (TARGET_UNWIND_WORD_MODE): Define.
335         * config/spu/t-spu-elf (TARGET_LIBGCC2_CFLAGS): Remove -D__word__=SI.
336
337 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
338
339         * config/spu/spu.c (reg_align): Remove.
340         (regno_aligned_for_load): Also accept ARG_POINTER_REGNUM.
341         (spu_split_load): Use regno_aligned_for_load instead of reg_align.
342         (spu_split_store): Likewise.
343
344 2008-06-18  Bernhard Fischer  <aldot@gcc.gnu.org>
345
346         * gcc/tree-vn.c: Fix typo in comment.
347
348 2008-06-18  Jan Hubicka  <jh@suse.cz>
349
350         * cgraphunit.c (cgraph_optimize): Output debug info when doing
351         toplevel reorder too.
352
353 2008-06-18  Jan Hubicka  <jh@suse.cz>
354
355         * c-opts.c (c_common_post_options): PCH is not compatible with
356         no-unit-at-a-time.
357         * opts.c (handle_options): Enable unit-at-a-time at O0 along with
358         -fno-toplevel-reorder by default now.
359
360 2008-06-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
361
362         PR documentation/30739
363         * doc/install.texi (Prerequisites): Document dependency on awk.
364
365 2008-06-18  Uros Bizjak  <ubizjak@gmail.com>
366             Ian Lance Taylor  <iant@google.com>
367
368         PR rtl-optimization/35604
369         * jump.c (redirect_exp_1): Skip the condition of an IF_THEN_ELSE. We
370         only want to change jump destinations, not eventual label comparisons.
371
372 2008-06-16  Jan Hubicka  <jh@suse.cz>
373
374         * cgraphunit.c (cgraph_expand_pending_functions): Give up at
375         syntax errors.
376         (cgraph_analyze_function): Likewise.
377
378 2008-06-16  Jan Hubicka  <jh@suse.cz>
379
380         * cgraph.h (cgraph_mark_if_needed): New function.
381         * cgraphunit.c (cgraph_mark_if_needed): New function.
382         * c-decl.c (duplicate_decl): Use it.
383
384 2008-06-16  Jan Hubicka  <jh@suse.cz>
385
386         * cgraph.c (cgraph_add_new_function): When in expansion state, do
387         lowering.
388
389 2008-06-16  Jan Hubicka  <jh@suse.cz>
390
391         * tree-outof-ssa.c (pass_out_of_ssa): Do not depend on PROP_alias.
392
393 2008-06-16  Daniel Jacobowitz  <dan@codesourcery.com>
394             Kazu Hirata  <kazu@codesourcery.com>
395             Maxim Kuvyrkov  <maxim@codesourcery.com
396
397         * config.gcc (mips64el-st-linux-gnu): Use mips/st.h and mips/t-st.
398         * config.host: Use driver-native.o and mips/x-native for mips*-linux*.
399         * config/mips/linux.h (host_detect_local_cpu): Declare, add to
400         EXTRA_SPEC_FUNCTIONS.
401         (MARCH_MTUNE_NATIVE_SPECS, BASE_DRIVER_SELF_SPECS): New macros.
402         (DRIVER_SELF_SPECS): Adjust.
403         * config/mips/linux64.h (DRIVER_SELF_SPECS): Update.
404         * config/mips/st.h, config/mips/t-st: New.
405         * config/mips/driver-native.c, config/mips/x-native: New.
406         * doc/invoke.texi (MIPS): Document 'native' value for -march and
407         -mtune options.
408
409 2008-06-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
410
411         * config/mips/mips.h (ISA_HAS_CONDMOVE): Slice ISA_HAS_FP_CONDMOVE
412         from it.
413         (ISA_HAS_FP_CONDMOVE): New macro.
414         (ISA_HAS_FP_MADD4_MSUB4, ISA_HAS_FP_MADD3_MSUB3): New macros.
415         (ISA_HAS_NMADD_NMSUB): Rename to ISA_HAS_NMADD4_NMSUB4.
416         (ISA_HAS_NMADD3_NMSUB3): New macro.
417         * config/mips/mips.c (mips_rtx_costs): Update.
418         * config/mips/mips.md (MOVECC): Don't use FP conditional moves when
419         compiling for ST Loongson 2E/2F.
420         (madd<mode>): Rename to madd4<mode>.  Update.
421         (madd3<mode>): New pattern.
422         (msub<mode>): Rename to msub4<mode>.  Update.
423         (msub3<mode>): New pattern.
424         (nmadd<mode>): Rename to nmadd4<mode>.  Update.
425         (nmadd3<mode>): New pattern.
426         (nmadd<mode>_fastmath): Rename to nmadd4<mode>_fastmath.  Update.
427         (nmadd3<mode>_fastmath): New pattern.
428         (nmsub<mode>): Rename to nmsub4<mode>.  Update.
429         (nmsub3<mode>): New pattern.
430         (nmsub<mode>_fastmath): Rename to nmsub4<mode>_fastmath.  Update.
431         (nmsub3<mode>_fastmath): New pattern.
432         (mov<SCALARF:mode>_on_<MOVECC:mode>, mov<mode>cc): Update.
433
434 2008-06-18  Steven Bosscher  <steven@gcc.gnu.org>
435
436         * df.h (struct df_ref): Replace 'insn' field with 'insn_info' field.
437         (DF_REF_INSN_INFO): New.
438         (DF_REF_INSN, DF_REF_INSN_UID): Rewrite macros using DF_REF_INSN_INFO.
439         (DF_REF_IS_ARTIFICIAL): Artificial refs are now identified as refs
440         with a NULL DF_REF_INSN_INFO.
441         (DF_INSN_INFO_GET, DF_INSN_INFO_SET): Renamed from DF_INSN_GET and
442         DF_INSN_SET.
443         (DF_INSN_INFO_LUID, DF_INSN_INFO_DEFS, DF_INSN_INFO_USES,
444         DF_INSN_INFO_EQ_USES): New.
445         (DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES, DF_INSN_EQ_USES,
446         DF_INSN_UID_LUID, DF_INSN_UID_DEFS, DF_INSN_UID_USES,
447         DF_INSN_UID_EQ_USES): Rewrite using DF_INSN_INFO_* macros.
448         * df-core.c: Update comment for above changes.
449         (df_insn_debug_regno): Use DF_INSN_INFO_GET instead of INSN_UID and
450         DF_INSN_UID_* macros.
451         (df_ref_debug): Check for NULL DF_REF_INSN_INFO.
452         * df-scan.c (df_ref_record): Take a df_insn_info instead of an
453         insn rtx.  Update all callers.
454         (df_def_record_1, df_defs_record, df_uses_record, df_get_call_refs,
455         df_ref_create_structure, df_insn_refs_collect): Likewise.
456         (df_ref_equal_p): Compare DF_REF_INSN_INFO pointers for the refs.
457         * df-problems.c (df_chain_dump): Test for non-NULL DF_REF_INSN_INFO.
458         (df_live_bb_local_compute): Retrieve DF_INSN_INFO, use DF_INSN_INFO_*
459         macros to access the insn refs.
460         (df_chain_top_dump, df_chain_bottom_dump, df_byte_lr_alloc): Likewise.
461         * fwprop.c (use_killed_between): Use DF_REF_INSN accessor macro.
462         (all_uses_available): Retrieve DF_INSN_INFO for def_insn, and use it
463         for accessing the refs.
464         (try_fwprop_subst): Likewise.
465         * ddg.c (add_cross_iteration_register_deps): Use DF_REF_INSN macro.
466         * web.c (union_defs): Retrieve DF_INSN_INFO for def_insn, and use it
467         for accessing the refs.
468         * loop-invariant.c (invariant_for_use): Use DF_REF_BB macro.
469         (check_dependencies): Use DF_INSN_INFO_GET, use DF_INSN_INFO_* macros
470         to look at the insn refs.
471         (record_uses): Likewise.
472         * dce.c (deletable_insn_p): Don't tolerate artificial DEFs in this
473         function anymore.
474         (mark_artificial_uses): Don't mark_insn for artificial refs.
475         (mark_reg_rependencies): Likewise.
476
477         * doc/rtl.texi: Remove documentation of ADDRESSOF.
478
479 2008-06-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
480
481         * configure: Regenerate.
482
483 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
484
485         * config/avr/avr.c (avr_mcu_t): Remove atmega32hvb.
486         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. 
487         * config/avr/t-avr (MULTILIB_MATCHES): Likewise. 
488
489 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
490
491         * config/avr/avr.c (avr_mcu_t): Add attiny167.
492         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. 
493         * gcc/config/avr/t-avr (MULTILIB_MATCHES): Likewise. 
494
495 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
496
497         * config/avr/avr.c (avr_mcu_t): Add atmega32u4.
498         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. 
499         * config/avr/t-avr (MULTILIB_MATCHES): Likewise. 
500
501 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
502
503         * tree-ssa-sccvn.c: Fix format of comments.
504
505 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
506
507         * cgraph.c: Remove unneeded forward declarations of eq_node()
508         and hash_node().
509
510 2008-06-17  Steven Bosscher  <steven@gcc.gnu.org>
511
512         * see.c (see_analyse_one_def): Do not look for REG_LIBCALL and
513         REG_RETVAL notes.
514         (see_update_relevancy): Likewise.
515         * fwprop.c (try_fwprop_subst): Likewise.
516         * rtlanal.c (noop_move_p): Likewise.
517         * builtins.c (expand_buitlin_mathfn): Don't try to add REG_EQUAL
518         notes to non-existing libcall blocks.
519         * cse.c (cse_insn): Change prototype.  Don't update libcall notes.
520         Remove orig_set.
521         (cse_extended_basic_block): Don't track libcall and no-conflict notes.
522         (dead_libcall_p): Remove.
523         (delete_trivially_dead_insns): Don't use it.
524         * web.c (union_defs): Remove comment about keeping nops.
525         * gcse.c (hash_scan_insn): Don't take libcall pointers.
526         (compute_hash_table_work): Don't track libcall notes.
527         (do_local_cprop): Don't take libcall pointers.  Don't update
528         libcall notes.
529         (adjust_libcall_notes): Deleted.
530         (local_cprop_pass): Remove stack for nested libcalls (which shouldn't
531         ever have existed in the first place).
532         (replace_store_insn): Don't try to remove libcall notes.
533         * lower-subreg.c (move_libcall_note, move_retval_note): Deleted.
534         (resolve_reg_notes): Don't call them.
535         (resolve_simple_move): Likewise.
536         (decompose_multiword_subregs): Remove block handling REG_RETVAL notes.
537         Don't remove REG_RETVAL notes.
538         * emit-rtl.c (try_split): Don't update libcall notes.
539         (emit_copy_of_insn_after): Dito.
540         * cselib.c (cselib_current_insn_in_libcall): Remove.
541         (cselib_process_insn): Don't set/clear it.
542         (new_elt_loc_list): Don't record it.
543         (cselib_init): Don't initialize it.
544         * cselib.c (struct elt_loc_list): Remove in_libcall field.
545         * loop-invariant.c (find_invariant_insn): Don't look for libcall
546         notes.
547         * sched-deps.c (sched_analyze_insn): Don't group libcall blocks.
548         (sched_analyze): Don't set up deps->libcall_block_tail_insn.
549         (init_deps): Don't initialize it.
550         * sched-int.h (struct deps): Rremove libcall_block_tail_insn field.
551         * combine.c (delete_noop_moves): Don't update libcall notes.
552         (can_combine_p): Remove now pointless #if 0 block.
553         (try_combine): Remove another obsolete #if 0 block.
554         (distribute_notes): Don't distribute libcall notes.
555         * reg-notes.def (REG_LIBCALL, REG_RETVAL): Remove.
556         * dce.c (libcall_dead_p): Remove.
557         (delete_unmarked_insns): Don't handle libcall blocks.
558         (preserve_libcall_for_dce): Remove.
559         (prescan_insns_for_dce): Don't special-case libcall block insns.
560         * reload1 (reload): Don't handle libcall notes. 
561         * doc/rtl.texi (REG_LIBCALL, REG_RETVAL, REG_LIBCALL_ID): Remove
562         documentation.
563
564 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
565
566         * config/avr/avr.c (avr_mcu_t): Add atmega32c1.
567         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
568         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
569
570 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
571
572         * config/avr/avr.c (avr_mcu_t): Add atmega32m1.
573         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
574         * config/avr/t-avr (MULTILIB_MATCHES): Likewise. 
575
576 2008-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
577
578         * Makefile.in (FLAGS_TO_PASS): Add $(datarootdir).
579
580 2008-06-16  Ira Rosen  <irar@il.ibm.com>
581
582         PR tree-optimization/36493
583         * tree-vect-transform.c (vect_create_data_ref_ptr): Remove TYPE from
584         the arguments list. Use VECTYPE to create vector pointer.
585         (vectorizable_store): Fail if accesses through a pointer to vectype
586         do not alias the original memory reference operands.
587         Call vect_create_data_ref_ptr without the removed argument.
588         (vectorizable_load): Likewise.
589         (vect_setup_realignment): Call vect_create_data_ref_ptr without the
590         removed argument.
591
592 2008-06-015  Andy Hutchinson  <hutchinsonandy@aim.com>
593
594         PR target/36336
595         * config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Add check for 
596         reg_equiv_constant.
597
598 2008-06-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
599
600         * config/mips/loongson2ef.md: New file.
601         * config/mips/mips.md (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
602         (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
603         (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
604         (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): New constants.
605         (define_attr "cpu"): Rename loongson2e and loongson2f to loongson_2e
606         and loongson_2f.
607         (loongson2ef.md): New include.
608         * config/mips/loongson.md (vec_pack_ssat_<mode>, vec_pack_usat_<mode>)
609         (add<mode>3, paddd, ssadd<mode>3, usadd<mode>3)
610         (loongson_and_not_<mode>, loongson_average_<mode>, loongson_eq_<mode>)
611         (loongson_gt_<mode>, loongson_extract_halfword)
612         (loongson_insert_halfword_0, loongson_insert_halfword_2)
613         (loongson_insert_halfword_3, loongson_mult_add, smax<mode>3)
614         (umax<mode>3, smin<mode>3, umin<mode>3, loongson_move_byte_mask)
615         (umul<mode>3_highpart, smul<mode>3_highpart, loongson_smul_lowpart)
616         (loongson_umul_word, loongson_pasubub, reduc_uplus_<mode>)
617         (loongson_psadbh, loongson_pshufh, loongson_psll<mode>)
618         (loongson_psra<mode>, loongson_psrl<mode>, sub<mode>3, psubd)
619         (sssub<mode>3, ussub<mode>3, vec_interleave_high<mode>)
620         (vec_interleave_low<mode>): Define type attribute.
621         * config/mips/mips.c (mips_ls2): New static variable.
622         (mips_issue_rate): Update to handle tuning for Loongson 2E/2F.
623         (mips_ls2_init_dfa_post_cycle_insn, mips_init_dfa_post_cycle_insn)
624         (sched_ls2_dfa_post_advance_cycle, mips_dfa_post_advance_cycle):
625         Implement target scheduling hooks.
626         (mips_multipass_dfa_lookahead): Update to handle tuning for
627         Loongson 2E/2F.
628         (mips_sched_init): Initialize data for Loongson scheduling.
629         (mips_ls2_variable_issue): New static function.
630         (mips_variable_issue): Update to handle tuning for Loongson 2E/2F.
631         Add sanity check.
632         (TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN)
633         (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Override target hooks.
634         * config/mips/mips.h (TUNE_LOONGSON_2EF): New macros.
635         (ISA_HAS_XFER_DELAY, ISA_HAS_FCMP_DELAY, ISA_HAS_HILO_INTERLOCKS):
636         Handle ST Loongson 2E/2F cores.
637         (CPU_UNITS_QUERY): Define macro to enable querying of DFA units.
638
639 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
640
641         * omp-low.c (extract_omp_for_data): Fix comment typo.
642         * c.opt: Fix typo.
643
644 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
645
646         * doc/sourcebuild.texi (Config Fragments): Remove obsolete
647         FIXME note about gcc/config.guess.
648         * doc/options.texi (Option file format): Remove non-ASCII bytes.
649         * doc/cpp.texi: Expand TABs, drop indentation outside examples.
650         * doc/cppopts.texi: Likewise.
651         * doc/extend.texi: Likewise.
652         * doc/gcc.texi: Likewise.
653         * doc/gccint.texi: Likewise.
654         * doc/gcov.texi: Likewise.
655         * doc/gty.texi: Likewise.
656         * doc/hostconfig.texi: Likewise.
657         * doc/install.texi: Likewise.
658         * doc/invoke.texi: Likewise.
659         * doc/loop.texi: Likewise.
660         * doc/makefile.texi: Likewise.
661         * doc/md.texi: Likewise.
662         * doc/passes.texi: Likewise.
663         * doc/tm.texi: Likewise.
664         * doc/tree-ssa.texi: Likewise.
665         * doc/trouble.texi: Likewise.
666
667 2008-06-15  Mark Shinwell  <shinwell@codesourcery.com>
668             Nathan Sidwell  <nathan@codesourcery.com>
669             Maxim Kuvyrkov  <maxim@codesourcery.com>
670             Richard Sandiford  <rdsandiford@googlemail.com>
671         
672         * config/mips/mips-modes.def: Add V8QI, V4HI and V2SI modes.
673         * config/mips/mips-protos.h (mips_expand_vector_init): New.
674         * config/mips/mips-ftypes.def: Add function types for Loongson-2E/2F
675         builtins.
676         * config/mips/mips.c (mips_split_doubleword_move): Handle new modes.
677         (mips_hard_regno_mode_ok_p): Allow 64-bit vector modes for Loongson.
678         (mips_vector_mode_supported_p): Add V2SImode, V4HImode and
679         V8QImode cases.
680         (LOONGSON_BUILTIN, LOONGSON_BUILTIN_ALIAS): New.
681         (CODE_FOR_loongson_packsswh, CODE_FOR_loongson_packsshb,
682         (CODE_FOR_loongson_packushb, CODE_FOR_loongson_paddw,
683         (CODE_FOR_loongson_paddh, CODE_FOR_loongson_paddb,
684         (CODE_FOR_loongson_paddsh, CODE_FOR_loongson_paddsb)
685         (CODE_FOR_loongson_paddush, CODE_FOR_loongson_paddusb)
686         (CODE_FOR_loongson_pmaxsh, CODE_FOR_loongson_pmaxub)
687         (CODE_FOR_loongson_pminsh, CODE_FOR_loongson_pminub)
688         (CODE_FOR_loongson_pmulhuh, CODE_FOR_loongson_pmulhh)
689         (CODE_FOR_loongson_biadd, CODE_FOR_loongson_psubw)
690         (CODE_FOR_loongson_psubh, CODE_FOR_loongson_psubb)
691         (CODE_FOR_loongson_psubsh, CODE_FOR_loongson_psubsb)
692         (CODE_FOR_loongson_psubush, CODE_FOR_loongson_psubusb)
693         (CODE_FOR_loongson_punpckhbh, CODE_FOR_loongson_punpckhhw)
694         (CODE_FOR_loongson_punpckhwd, CODE_FOR_loongson_punpcklbh)
695         (CODE_FOR_loongson_punpcklhw, CODE_FOR_loongson_punpcklwd): New.
696         (mips_builtins): Add Loongson builtins.
697         (mips_loongson_2ef_bdesc): New.
698         (mips_bdesc_arrays): Add mips_loongson_2ef_bdesc.
699         (mips_builtin_vector_type): Handle unsigned versions of vector modes.
700         (MIPS_ATYPE_UQI, MIPS_ATYPE_UDI, MIPS_ATYPE_V2SI, MIPS_ATYPE_UV2SI)
701         (MIPS_ATYPE_V4HI, MIPS_ATYPE_UV4HI, MIPS_ATYPE_V8QI, MIPS_ATYPE_UV8QI):
702         New.
703         (mips_expand_vector_init): New.
704         * config/mips/mips.h (HAVE_LOONGSON_VECTOR_MODES): New.
705         (TARGET_CPU_CPP_BUILTINS): Define __mips_loongson_vector_rev
706         if appropriate.
707         * config/mips/mips.md: Add unspec numbers for Loongson
708         builtins.  Include loongson.md.
709         (MOVE64): Include Loongson vector modes.
710         (SPLITF): Include Loongson vector modes.
711         (HALFMODE): Handle Loongson vector modes.
712         * config/mips/loongson.md: New.
713         * config/mips/loongson.h: New.
714         * config.gcc: Add loongson.h header for mips*-*-* targets.
715         * doc/extend.texi (MIPS Loongson Built-in Functions): New.
716
717 2008-06-14  Joseph Myers  <joseph@codesourcery.com>
718
719         * config.gcc (arc-*-elf*, avr-*-*, fr30-*-elf, frv-*-elf,
720         h8300-*-elf*, h8300-*-*, i[34567]86-*-elf*, x86_64-*-elf*,
721         i[34567]86-*-aout*, i[34567]86-*-coff*, ia64*-*-elf*,
722         iq2000*-*-elf*, m32r-*-elf*, m32rle-*-elf*, m32r-*-linux*,
723         m32rle-*-linux*, m68hc11-*-*|m6811-*-*, m68hc12-*-*|m6812-*-*,
724         m68k-*-coff*, mcore-*-elf, mcore-*-pe*, mipsisa64sr71k-*-elf*,
725         mipsisa64sb1-*-elf* | mipsisa64sb1el-*-elf*, mips-*-elf* |
726         mipsel-*-elf*, mips64-*-elf* | mips64el-*-elf*, mips64vr-*-elf* |
727         mips64vrel-*-elf*, mips64orion-*-elf* | mips64orionel-*-elf*,
728         mipstx39-*-elf* | mipstx39el-*-elf*, mn10300-*-*, pdp11-*-,
729         powerpc-*-elf*, powerpcle-*-elf*, sh-*-elf* | sh[12346l]*-*-elf* |
730         sh-*-symbianelf* | sh[12346l]*-*-symbianelf* | sh-*-linux* |
731         sh[2346lbe]*-*-linux* | sh-*-netbsdelf* | shl*-*-netbsdelf* |
732         sh5-*-netbsd* | sh5l*-*-netbsd* | sh64-*-netbsd* |
733         sh64l*-*-netbsd*, sh-*-*, sparc-*-elf*, sparc64-*-elf*,
734         v850e1-*-*, v850e-*-*, v850-*-*, xstormy16-*-elf, m32c-*-elf*):
735         Remove use_fixproto=yes.
736         (ia64*-*-hpux*): Remove comment about using fixproto.
737         (m68k-*-uclinuxoldabi*, m68k-*-uclinux*): Remove use_fixproto=no.
738
739 2008-06-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
740
741         * configure.ac: Update gthr-default.h lazily, to avoid unneeded
742         library rebuilds.
743         * configure: Regenerate.
744
745 2008-06-13  Eric Botcazou  <ebotcazou@adacore.com>
746
747         PR middle-end/36520
748         * builtins.c (get_memory_rtx): Test for the presence of DECL_SIZE_UNIT
749         before evaluating it.
750
751 2008-06-13  Jakub Jelinek  <jakub@redhat.com>
752
753         PR c/36507
754         * c-decl.c (merge_decls): Don't clear DECL_EXTERNAL for
755         nested inline functions.
756         (start_decl, start_function): Don't invert DECL_EXTERNAL
757         for nested inline functions.
758
759 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
760
761         * config/mips/mips.md: Remove TARGET_DEBUG_D_MODE conditions from
762         splits that must be made for correctness.
763
764 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
765
766         * config/mips/mips.c (BUILTIN_AVAIL_NON_MIPS16): New macro.
767         (AVAIL_NON_MIPS16): Likewise.
768         (mips_builtin_description): Replace target_flags with a predicate.
769         (paired_single, sb1_paired_single, mips3d, dsp, dspr2, dsp_32)
770         (dspr2_32): New availability predicates.
771         (MIPS_BUILTIN): New macro.
772         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS)
773         (CMP_4S_BUILTINS, MOVTF_BUILTINS, CMP_BUILTINS)
774         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): Use it.
775         Replace the TARGET_FLAGS parameters with AVAIL parameters.
776         (mips_ps_bdesc, mips_sb1_bdesc, mips_dsp_bdesc)
777         (mips_dsp_32only_bdesc): Merge into...
778         (mips_builtins): ...this new array.
779         (mips_bdesc_map, mips_bdesc_arrays): Delete.
780         (mips_init_builtins): Update after above changes.
781         (mips_expand_builtin_1): Merge into...
782         (mips_expand_builtin): ...here and update after above changes.
783
784 2008-06-12  Paul Brook  <paul@codesourcery.com>
785
786         * longlong.h (__arm__): Define count_leading_zeros.
787         * config/arm/lib1funcs.asm (xxh, xxl, yyh, yyl): Define.
788         (clzsi2, clzdi2): New functions.
789         * config/arm/bpabi-v6m.S (xxh, xxl, yyh, yyl): Remove.
790         * config/arm/bpabi.S (xxh, xxl, yyh, yyl): Remove.
791         * config/arm/t-strongarm-elf (LIB1ASMFUNCS): Ditto.
792         * config/arm/t-vxworks (LIB1ASMFUNCS): Ditto.
793         * config/arm/t-pe (LIB1ASMFUNCS): Ditto.
794         * config/arm/t-arm-elf (LIB1ASMFUNCS): Ditto.
795         * config/arm/t-arm-coff (LIB1ASMFUNCS): Ditto.
796         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
797         * config/arm/t-symbian (LIB1ASMFUNCS): Ditto.
798         * config/arm/t-wince-pe (LIB1ASMFUNCS): Ditto.
799
800 2008-06-12  Kazu Hirata  <kazu@codesourcery.com>
801
802         * config/m68k/m68k.c (m68k_tune_flags): New.
803         (override_options): Compute m68k_tune_flags.
804         (MULL_COST, MULW_COST): Update for various variants of CFV2.
805         * config/m68k/m68k.h (TUNE_MAC, TUNE_EMAC): New.
806
807 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
808
809         PR middle-end/36506
810         * omp-low.c (expand_omp_sections): Initialize l2 to avoid bogus warning.
811
812 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
813
814         * tree-inline.c (copy_body_r): Copy TREE_SIDE_EFFECTS along with
815         TREE_THIS_VOLATILE on INDIRECT_REF nodes.
816
817 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
818
819         * expr.c (store_field): Do a block copy from BLKmode to BLKmode-like.
820         (get_inner_reference): Use BLKmode for byte-aligned BLKmode bitfields.
821
822 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
823
824         PR middle-end/36506
825         * omp-low.c (expand_omp_sections): Handle #pragma omp sections with
826         reductions.
827
828 2008-06-12  Richard Guenther  <rguenther@suse.de>
829
830         PR tree-optimization/36345
831         * tree-flow.h (struct ptr_info_def): Align escape_mask,
832         add memory_tag_needed flag.
833         (may_alias_p): Declare.
834         * tree-ssa-alias.c (may_alias_p): Export.
835         (set_initial_properties): Use memory_tag_needed flag.
836         (update_reference_counts): Likewise.
837         (reset_alias_info): Reset memory_tag_needed flag.
838         (create_name_tags): Check memory_tag_needed flag.
839         (dump_points_to_info_for): Dump it.
840         * tree-ssa-structalias.c (struct variable_info): Remove
841         directly_dereferenced flag.
842         (new_var_info): Do not initialize it.
843         (process_constraint_1): Do not set it.
844         (update_alias_info): Set is_dereferenced flag.
845         (set_uids_in_ptset): Use may_alias_p.
846         (set_used_smts): Check memory_tag_needed flag.
847         (find_what_p_points_to): Likewise.  Pass is_dereferenced flag.
848         * tree-ssa-alias.c (verify_flow_sensitive_alias_info): Check
849         memory_tag_needed flag.
850         * tree-ssa-alias-warnings.c (dsa_named_for): Try to recover
851         from broken design.
852
853 2008-06-12  Kai Tietz  <kai.tietz@onevision.com>
854
855         * config/i386/i386.c (ix86_compute_frame_layout): Disable
856         red zone for w64 abi.
857         (ix86_expand_prologue): Likewise.
858         (ix86_force_to_memory): Likewise.
859         (ix86_free_from_memory): Likewise.
860
861 2008-06-11  Edmar Wienskoski  <edmar@freescale.com>
862
863         PR target/36425
864         * config/rs6000/rs6000.c (rs6000_override_options): Set
865         rs6000_isel conditionally to the absence of comand line override.
866         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
867         Remove duplicate rs6000_isel setting.
868         * config/rs6000/eabispe.h: Ditto.
869
870 2008-06-11  Richard Guenther  <rguenther@suse.de>
871
872         * alias.c (get_alias_set): Use the element alias-set for arrays.
873         (record_component_aliases): For arrays and vectors do nothing.
874         * c-common.c (strict_aliasing_warning): Handle the cases
875         of alias set zero explicitly.
876         * Makefile.in (dfp.o-warn): Add -Wno-error.
877
878 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
879
880         * config.gcc (all_defaults): Add arch_32 arch_64 cpu_32 cpu_64
881         tune_32 tune_64.
882         (i[34567]86-*-* | x86_64-*-*): Add arch_32 arch_64 cpu_32 cpu_64
883         tune_32 tune_64 to supported_defaults.  Allow values not
884         supporting 64-bit mode for arch_32, cpu_32 and tune_32 for
885         x86_64.  Do not override cpu_32 or cpu_64 values from target name.
886         (i[34567]86-*-linux*, i[34567]86-*-solaris2.1[0-9]*): Only default
887         with_cpu_64 to generic for 64-bit-supporting configurations, not
888         with_cpu.  Remove FIXMEs.
889         * doc/install.texi (--with-cpu-32, --with-cpu-64, --with-arch-32,
890         --with-arch-64, --with-tune-32, --with-tune-64): Document.
891         * config/i386/i386.h (OPT_ARCH32, OPT_ARCH64): Define.
892         (OPTION_DEFAULT_SPECS): Add tune_32, tune_64, cpu_32, cpu_64,
893         arch_32 and arch_64.
894
895 2008-06-11  Eric Botcazou  <ebotcazou@adacore.com>
896             Olivier Hainque  <hainque@adacore.com>
897
898         * builtins.c (get_memory_rtx): Accept byte-addressable bitfields.
899         Use DECL_SIZE_UNIT to retrieve the size of the field.
900
901 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
902
903         * config/arm/arm.c (arm_init_neon_builtins): Move initialization
904         with function calls after declarations.  Lay out
905         neon_float_type_node before further use.
906
907 2008-06-11  Richard Guenther  <rguenther@suse.de>
908
909         * tree-flow.h (may_point_to_global_var): Declare.
910         * tree-ssa-alias.c (may_point_to_global_var): New function.
911         * tree-ssa-sink.c (is_hidden_global_store): Use it.
912
913 2008-06-10  Kazu Hirata  <kazu@codesourcery.com>
914
915         * configure.ac: Teach that fido supports .debug_line.
916         * configure: Regenerate.
917
918 2008-06-10  Tom Tromey  <tromey@redhat.com>
919
920         * c-lex.c (fe_file_change): Pass SOURCE_LINE to start_source_file
921         debug hook.
922
923 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
924
925         * dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined.
926         (encode_decimal64, decode_decimal64, encode_decimal128,
927         decode_decimal128): Reverse order of 32-bit parts of value if host
928         and target endianness differ.
929
930 2008-06-10  Vinodha Ramasamy  <vinodha@google.com>
931
932         * value_prob.c (tree_divmod_fixed_value_transform): Use gcov_type.
933         Avoid division by 0.
934         (tree_mod_pow2_value_transform): Likewise.
935         (tree_ic_transform): Likewise.
936         (tree_stringops_transform): Likewise.
937         (tree_mod_subtract_transform): Likewise.
938         * tree-inline-c (copy_bb): Corrected int type to gcov_type.
939         (copy_edges_for_bb): Likewise.
940         (initialize_cfun): Likewise.
941
942 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
943
944         * config/i386/i386.md (*btdi_rex64): Change operand 1 predicate to
945         nonmemory_operand. Add "N" operand constraint.
946         (*btsi): Ditto.
947         (*jcc_btdi_mask_rex64): New instruction and split pattern.
948         (*jcc_btsi_mask): Ditto.
949         (*jcc_btsi_mask_1): Ditto.
950
951 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
952
953         * config/rs6000/rs6000.c (build_opaque_vector_type): Set
954         TYPE_CANONICAL for copied element type.
955
956 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
957
958         PR target/36473
959         * config/i386/i386.c (ix86_tune_features) [TUNE_USE_BT]:
960         Add m_CORE2 and m_GENERIC.
961         * config/i386/predicates.md (bt_comparison_operator): New predicate.
962         * config/i386/i386.md (*btdi_rex64): New instruction pattern.
963         (*btsi): Ditto.
964         (*jcc_btdi_rex64): New instruction and split pattern.
965         (*jcc_btsi): Ditto.
966         (*jcc_btsi_1): Ditto.
967         (*btsq): Fix Intel asm dialect operand order.
968         (*btrq): Ditto.
969         (*btcq): Ditto.
970
971 2008-06-09  Andy Hutchinson  <hutchinsonandy@aim.com>
972
973         PR middle-end/36447
974         * simplify-rtx.c (simplify_subreg): Add check for shift count 
975         greater than size.
976
977 2008-06-09  Richard Sandiford  <rdsandiford@googlemail.com>
978
979         * doc/md.texi: Synchronize with later constraints.md change.
980         * longlong.h (umul_ppmm): Replace the MIPS asm implementation
981         with a C implementation.
982         * config/mips/mips.c (mips_legitimize_move): Remove MFHI and
983         MFLO handling.
984         (mips_subword): Assume TImode for CONST_INTs if TARGET_64BIT.
985         (mips_split_doubleword_move): Use special MTHI and MFHI instructions
986         when moving to and from MD_REGNUM.
987         (mips_output_move): Don't handle moves from GPRs to HI_REGNUM.
988         Handle moves from LO_REGNUM to GPRs using MFLO, MACC or DMACC.
989         Handle byte and halfword moves.
990         (mips_hard_regno_mode_ok_p): Handle MD_REGS and DSP_ACC_REGS
991         separately.
992         * config/mips/constraints.md (h): Turn into NO_REGS.
993         (l, x): Update documentation.
994         * config/mips/mips.md (UNSPEC_MFHILO): Delete.
995         (UNSPEC_MFHI, UNSPEC_MTHI, UNSPEC_SET_HILO): New.
996         (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): Renumber.
997         (HILO): New mode iterator.
998         (MOVE128): Add TI.
999         (any_div): New code iterator.
1000         (u): Extend code attribute to div and udiv.
1001         (*add<mode>3_mips16, *movdi_64bit_mips16, *movsi_mips16): Use
1002         d_operand in the splitters.  Remove redundant CONST_INT checks.
1003         (mulsi3_mult3, mul<mode>3_internal, mul<mode>3_r4000, *mul_acc_si)
1004         (*macc, *msac, *msac_using_macc, *macc2, *msac2, *mul_sub_si)
1005         (*muls): Remove "=h" clobbers.  Adjust peephole2s and define_splits
1006         accordingly, using normal moves instead of unspecs to move LO into
1007         a GPR.  Use d_operand and lo_operand instead of *_REG_P checks.
1008         (<u>mulsidi3): Handle expansion in C code.
1009         (<u>mulsidi3_32bit_internal): Rename to...
1010         (<u>mulsidi3_32bit): ...this.
1011         (<u>mulsidi3_32bit_r4000): Fix insn separator.
1012         (*<u>mulsidi3_64bit): Rename to...
1013         (<u>mulsidi3_64bit): ...this.  Combine DImode "=h" and "=l" clobbers
1014         into a TImode "=x" clobber.  In the split, use an UNSPEC_SET_HILO
1015         to set LO and HI to the multiplication result.  Use a normal move
1016         for MFLO and an unspec for MFHI.
1017         (*<u>mulsidi3_64bit_parts): Replace with...
1018         (<u>mulsidi3_64bit_hilo): ...this new instruction.
1019         (<su>mulsi3_highpart): Extend to TARGET_FIX_R4000.
1020         (<su>mulsi3_highpart_internal): Turn into a define_insn_and_split
1021         and extend it to TARGET_FIX_R4000.  Store the destination in a GPR
1022         instead of HI.  Split the instruction into a separate multiplication
1023         and MFHI if !TARGET_FIX_R4000.
1024         (<su>muldi3_highpart): Likewise.
1025         (<su>mulsi3_highpart_mulhi_internal): Remove the first alternative
1026         and the "=h" clobber.
1027         (*<su>mulsi3_highpart_neg_mulhi_internal): Likewise.
1028         (<u>mulditi3): New expander.
1029         (<u>mulditi3_internal, <u>mulditi3_r4000): New patterns.
1030         (madsi): Remove "=h" clobber.
1031         (divmod<mode>4, udivmod<mode>4): Turn into define_insn_and_splits.
1032         Force the modulus result to be a GPR and split the instruction into
1033         a division followed by an MFHI after reload.
1034         (<u>divmod<GPR:mode>4_hilo_<HILO:mode>): New instruction.
1035         (*lea_high64): Use d_operand in the define_peephole2.  Likewise
1036         the MIPS16 HIGH define_split.
1037         (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16): Change type
1038         of acc<->gpr moves to "multi".
1039         (*movdi_64bit): Replace the single "x" alternative with
1040         alternatives for moving into and out of "a".
1041         (*movhi_internal, *movqi_internal): Likewise.  Use mips_output_move.
1042         (*movsi_internal): Extend the "d<-A" alternative to "d<-a".
1043         (*movdi_64bit_mips16, *movsi_mips16): Add d<-a alternatives.
1044         Use d_operand in the splitters.  Remove redundant CONST_INT checks.
1045         (*movhi_mips16, *movqi_mips16): Likewise.  Use mips_output_move.
1046         (movti): New expander.
1047         (*movti, *movti_mips16): New insns.
1048         (mfhilo_<mode>, *mfhilo_<mode>, *mfhilo_<mode>_macc): Delete.
1049         (mfhi<GPR:mode>_<HILO:mode>): New pattern.
1050         (mthi<GPR:mode>_<HILO:mode>): Likewise.
1051         * config/mips/predicates.md (fpr_operand): Delete.
1052         (d_operand): New predicate.
1053
1054 2008-06-09  Michael Meissner  <michael.meissner@amd.com>
1055
1056         * config.gcc (i[34567]86-*-*): Put test in quotes to prevent
1057         failure on some Bourne shells.
1058         (x86_64-*-*): Ditto.
1059
1060 2008-06-09  Kai Tietz  <kai.tietz@onevision.com>
1061
1062         * config/i386/cygming.h (TARGET_SUBTARGET64_DEFAULT): New.
1063
1064 2008-06-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
1065
1066         * doc/install.texi (*-*-solaris2*): Remove obsolete contents.
1067         (sparc-sun-solaris2*): Likewise.
1068
1069 2008-06-09  Arnaud Charlet  <charlet@adacore.com
1070
1071         * doc/install.texi: Update requirements to build the Ada compiler.
1072
1073 2008-06-08  Steven Bosscher  <stevenb.gcc@gmail.com>
1074
1075         * df-scan.c (struct df_scan_problem_data): Remove the
1076         mw_link_pool alloc pool.
1077         (df_scan_free_internal): Don't free it.
1078         (df_scan_alloc): Don't allocate it.
1079         * df.h (struct df_link): Update comment.
1080
1081 2008-06-08  Nathan Sidwell  <nathan@codesourcery.com>
1082
1083         * except.h: Correct checks for when SJLJ exceptions must be used.
1084
1085 2008-06-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1086
1087         * doc/invoke.texi (Wenum-compare): Mention that it is enabled by
1088         default.
1089         
1090 2008-06-08  Joseph Myers  <joseph@codesourcery.com>
1091
1092         PR tree-optimization/36218
1093         * configure.ac: Use LDFLAGS="${LDFLAGS_FOR_BUILD}" when running
1094         configure for the build system.
1095         (BUILD_LDFLAGS): Define.
1096         * configure: Regenerate.
1097         * Makefile.in (BUILD_LDFLAGS): Define to @BUILD_LDFLAGS@.
1098
1099 2008-07-08  Anatoly Sokolov  <aesok@post.ru>
1100
1101         PR target/36424
1102         * config/avr/avr.h (HARD_REGNO_RENAME_OK): Define.
1103         * config/avr/avr.c (avr_hard_regno_rename_ok): New function. 
1104         * config/avr/avr-protos.h (avr_hard_regno_rename_ok): New prototype. 
1105
1106 2008-06-07  Danny Smith  <dannysmith@users.sourceforge.net>
1107
1108         * config/i386/cygming.h (MAYBE_UWIN_CPP_BUILTINS): Remove.
1109
1110 2008-06-07  Joseph Myers  <joseph@codesourcery.com>
1111
1112         * config.gcc (Obsolete configurations): Remove list of
1113         configurations.
1114         (Unsupported targets list): Add *-*-linux*aout*, *-*-linux*libc1*,
1115         *-*-solaris2.[0-6], *-*-solaris2.[0-6].*, *-*-sysv*.  Remove other
1116         targets matched by those patterns.
1117         (strongarm*-*-*, ep9312*-*-*, xscale-*-*, parisc*-*-*,
1118         m680[012]0-*-*, *-*-linux*libc1*, *-*-linux*aout*,
1119         alpha*-*-unicosmk*, strongarm*-*-freebsd*, ep9312-*-elf,
1120         arm*-*-kaos*, cris-*-aout, parisc*64*-*-linux*, parisc*-*-linux*,
1121         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
1122         i[34567]86-sequent-ptx4*, i[34567]86-sequent-sysv4*,
1123         i[34567]86-*-beoself*, i[34567]86-*-beos*, i[34567]86-*-sco3.2v5*,
1124         i[34567]86-*-sysv5*, i[34567]86-*-sysv4*, i[34567]86-*-uwin*,
1125         i[34567]86-*-kaos*, m68020-*-elf*, m68010-*-netbsdelf*,
1126         mips-wrs-windiss, mt-*-elf, powerpc-*-beos*, powerpc-*-chorusos*,
1127         powerpc-wrs-windiss*, powerpcle-*-sysv*, powerpc-*-kaos*,
1128         powerpcle-*-kaos*, sh*-*-kaos*, sparc-*-sysv4*, strongarm-*-elf*,
1129         strongarm-*-pe, strongarm-*-kaos*, vax-*-bsd*, vax-*-sysv*,
1130         vax-*-ultrix*, xscale-*-elf, xscale-*-coff,
1131         i[34567]86-*-linux*aout*, i[34567]86-*-linux*libc1): Remove.
1132         Make code for Solaris 7 and greater unconditional for Solaris.
1133         (ep9312-*-*, parisc1*, m680[012]0-*-*, parisc*-*-*, mt-*-*):
1134         Remove --with-* handling.
1135         * config/rs6000/sysv4.h (-mwindiss): Remove from all specs.
1136         (LIB_WINDISS_SPEC, CPP_OS_WINDISS_SPEC, STARTFILE_WINDISS_SPEC,
1137         ENDFILE_WINDISS_SPEC, LINK_START_WINDISS_SPEC,
1138         LINK_OS_WINDISS_SPEC): Remove.
1139         * config/rs6000/sysv4.opt (mwindiss): Remove.
1140         * configure.ac (strongarm*-*-*, xscale*-*-*): Remove.
1141         * configure: Regenerate.
1142         * doc/cpp.texi: Don't mention BeOS.
1143         * doc/extend.texi (interrupt): Don't mention MS1.
1144         * doc/install.texi: (i386-@var{any}-sysv, m68k-bull-sysv,
1145         m68k-hp-hpux, m68000-hp-hpux, m68000-att-sysv,
1146         alphaev5-cray-unicosmk*, xscale-*-*, i?86-*-linux*aout,
1147         i?86-*-sco3.2v5*, i?86-*-udk, m68k-hp-hpux, powerpc-*-sysv4,
1148         powerpc-*-sysv4, powerpcle-*-sysv4, *-*-sysv*, vax-dec-ultrix):
1149         Remove.
1150         * doc/invoke.texi (MT Options): Remove.
1151         (-mwindiss): Remove.
1152         (CRIS Options): Remove cris-axis-aout references.
1153         (HPPA Options): Don't mention hppa1.1-*-pro.
1154         * doc/md.texi: (MorphoTech family): Remove.
1155         * libgcc2.c: Don't handle UWIN.
1156         * config/alpha/t-unicosmk: Remove.
1157         * config/alpha/unicosmk.h: Remove.
1158         * config/arm/kaos-arm.h: Remove.
1159         * config/arm/kaos-strongarm.h: Remove.
1160         * config/arm/strongarm-coff.h: Remove.
1161         * config/arm/strongarm-elf.h: Remove.
1162         * config/arm/strongarm-pe.h: Remove.
1163         * config/arm/t-strongarm-pe: Remove.
1164         * config/arm/t-xscale-coff: Remove.
1165         * config/arm/t-xscale-elf: Remove.
1166         * config/arm/xscale-coff.h: Remove.
1167         * config/arm/xscale-elf.h: Remove.
1168         * config/chorus.h: Remove.
1169         * config/cris/aout.h: Remove.
1170         * config/cris/aout.opt: Remove.
1171         * config/cris/t-aout: Remove.
1172         * config/i386/beos-elf.h: Remove.
1173         * config/i386/kaos-i386.h: Remove.
1174         * config/i386/ptx4-i.h: Remove.
1175         * config/i386/sco5.h: Remove.
1176         * config/i386/sco5.opt: Remove.
1177         * config/i386/sysv4-cpp.h: Remove.
1178         * config/i386/sysv5.h: Remove.
1179         * config/i386/t-beos: Remove.
1180         * config/i386/t-sco5: Remove.
1181         * config/i386/t-uwin: Remove.
1182         * config/i386/uwin.asm: Remove.
1183         * config/i386/uwin.h: Remove.
1184         * config/kaos.h: Remove.
1185         * config/mips/windiss.h: Remove.
1186         * config/mt: Remove directory.
1187         * config/pa/pa-osf.h: Remove.
1188         * config/pa/pa-pro-end.h: Remove.
1189         * config/pa/t-pro: Remove.
1190         * config/ptx4.h: Remove.
1191         * config/rs6000/beos.h: Remove.
1192         * config/rs6000/kaos-ppc.h: Remove.
1193         * config/rs6000/t-beos: Remove.
1194         * config/rs6000/windiss.h: Remove.
1195         * config/sh/kaos-sh.h: Remove.
1196         * config/sol2-6.h: Remove.
1197         * config/sparc/sol26-sld.h: Remove.
1198         * config/sparc/sysv4-only.h: Remove.
1199         * config/vax/bsd.h: Remove.
1200         * config/vax/t-memfuncs: Remove.
1201         * config/vax/ultrix.h: Remove.
1202         * config/vax/vaxv.h: Remove.
1203         * config/windiss.h: Remove.
1204
1205 2008-06-06 Uros Bizjak <ubizjak@gmail.com>
1206
1207         PR rtl-optimization/36438
1208         * cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early
1209         for vector shifts with constant scalar shift operands.
1210
1211 2008-06-06  Sandip Matte  <sandip@rmicorp.com>
1212
1213         * doc/invoke.texi: Document -march=xlr.
1214         * config/mips/xlr.md: New file.
1215         * config/mips/mips.md: Include it.
1216         (cpu): Add "xlr".
1217         * config/mips/mips.h (PROCESSOR_XLR): New processor_type.
1218         * config/mips/mips.c (mips_cpu_info_table): Add an XLR entry.
1219         (mips_rtx_cost_data): Likewise.
1220
1221 2008-06-06  Nathan Froyd  <froydnj@codesourcery.com>
1222
1223         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Remove
1224         PRE_INC and PRE_DEC cases.
1225
1226 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
1227
1228         PR rtl-optimization/36419
1229         * except.c (expand_resx_expr): Call do_pending_stack_adjust () before
1230         the emitting jump insn.
1231
1232         PR target/36362
1233         * gimplify.c (gimplify_expr) <case TRUTH_NOT_EXPR>: If *expr_p type
1234         is not bool, boolify the whole *expr_p and convert to the desired type.
1235
1236 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
1237
1238         * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805.
1239         * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause.
1240         Add omp_private_outer_ref hook, add another argument to
1241         omp_clause_default_ctor hook.
1242         * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define.
1243         (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define.
1244         (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to
1245         hook_tree_tree_tree_tree_null.
1246         (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and
1247         LANG_HOOKS_OMP_PRIVATE_OUTER_REF.
1248         * hooks.c (hook_tree_tree_tree_tree_null): New function.
1249         * hooks.h (hook_tree_tree_tree_tree_null): New prototype.
1250         * tree.def (OMP_TASK): New tree code.
1251         * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN,
1252         OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT,
1253         OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT,
1254         OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES,
1255         OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY,
1256         OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG,
1257         OMP_CLAUSE_COLLAPSE_EXPR): Define.
1258         (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
1259         (OMP_DIRECTIVE_P): Add OMP_TASK.
1260         (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes.
1261         (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind.
1262         * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE
1263         and OMP_CLAUSE_UNTIED entries.
1264         (omp_clause_num_ops): Likewise.  Increase OMP_CLAUSE_LASTPRIVATE
1265         num_ops to 2.
1266         (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
1267         Walk OMP_CLAUSE_LASTPRIVATE_STMT.
1268         * tree-pretty-print.c (dump_omp_clause): Handle
1269         OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE,
1270         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
1271         (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops.
1272         * c-omp.c (c_finish_omp_for): Allow pointer iterators.  Remove
1273         warning about unsigned iterators.  Change decl/init/cond/incr
1274         arguments to TREE_VECs, check arguments for all collapsed loops.
1275         (c_finish_omp_taskwait): New function.
1276         (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to
1277         ws_clauses.
1278         * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops.  Call
1279         default_function_array_conversion on init.  Add par_clauses argument.
1280         If decl is present in parallel's lastprivate clause, change it to
1281         shared and add lastprivate clause for decl to OMP_FOR_CLAUSES.
1282         Add clauses argument, on success set OMP_FOR_CLAUSES to it.  Look up
1283         collapse count in clauses.
1284         (c_parser_omp_for, c_parser_omp_parallel): Adjust
1285         c_parser_omp_for_loop callers.
1286         (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE.
1287         (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT.
1288         (c_parser_omp_clause_name): Handle collapse and untied clauses.
1289         (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New
1290         functions.
1291         (c_parser_omp_clause_schedule): Handle schedule(auto).
1292         Include correct location in the error message.
1293         (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE
1294         and PRAGMA_OMP_CLAUSE_UNTIED.
1295         (OMP_TASK_CLAUSE_MASK): Define.
1296         (c_parser_omp_task, c_parser_omp_taskwait): New functions.
1297         (c_parser_omp_construct): Handle PRAGMA_OMP_TASK.
1298         * tree-nested.c (convert_nonlocal_omp_clauses,
1299         convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT,
1300         OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE,
1301         OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
1302         Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in
1303         OMP_CLAUSE_DECL.
1304         (conver_nonlocal_reference, convert_local_reference,
1305         convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL.  Use
1306         OMP_TASKREG_* macros rather than OMP_PARALLEL_*.
1307         (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes.
1308         * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK.
1309         * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes.
1310         * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New.
1311         (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New.
1312         * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions.
1313         (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
1314         OMP_CLAUSE_UNTIED.
1315         * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas.
1316         * c-common.h (c_finish_omp_taskwait): New prototype.
1317         * gimple-low.c (lower_stmt): Handle OMP_TASK.
1318         * tree-parloops.c (create_parallel_loop): Create 1 entry
1319         vectors for OMP_FOR_{INIT,COND,INCR}.
1320         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
1321         (make_edges): Handle OMP_TASK.
1322         * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR
1323         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
1324         * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK.
1325         * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR,
1326         BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR,
1327         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR,
1328         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR,
1329         BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New.
1330         * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT,
1331         BUILT_IN_GOMP_LOOP_ULL_STATIC_START,
1332         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START,
1333         BUILT_IN_GOMP_LOOP_ULL_GUIDED_START,
1334         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START,
1335         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START,
1336         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START,
1337         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START,
1338         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START,
1339         BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT,
1340         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT,
1341         BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT,
1342         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT,
1343         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT,
1344         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT,
1345         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT,
1346         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins.
1347         * gimplify.c (gimplify_omp_for): Allow pointer type for decl,
1348         handle POINTER_PLUS_EXPR.  If loop counter has been replaced and
1349         original iterator is present in lastprivate clause or if
1350         collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT.  Handle collapsed
1351         OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
1352         (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK.
1353         (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF.
1354         (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed,
1355         if it is set, lookup var in outer contexts too.  Handle
1356         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.  Handle vars that are supposed
1357         to be implicitly determined firstprivate for task regions.
1358         (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed,
1359         if it is set, lookup var in outer contexts too.  Set
1360         OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set.
1361         Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and
1362         OMP_CLAUSE_UNTIED.  Take region_type as last argument
1363         instead of in_parallel and in_combined_parallel.
1364         (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1365         Adjust callers.
1366         (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if
1367         GOVD_PRIVATE_OUTER_REF is set.  Call omp_finish_clause langhook.
1368         (new_omp_context): Set default_kind to
1369         OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions.
1370         (omp_region_type): New enum.
1371         (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel
1372         fields, add region_type.
1373         (new_omp_context): Take region_type as argument instead of is_parallel
1374         and is_combined_parallel.
1375         (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable,
1376         omp_is_private, omp_check_private): Adjust ctx->is_parallel and
1377         ctx->is_combined_parallel checks.
1378         (gimplify_omp_task): New function.
1379         (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
1380         OMP_CLAUSE_UNTIED.
1381         * omp-low.c (extract_omp_for_data): Use schedule(static)
1382         for schedule(auto).  Handle pointer and unsigned iterators.
1383         Compute fd->iter_type.  Handle POINTER_PLUS_EXPR increments.
1384         Add loops argument.  Extract data for collapsed OMP_FOR loops.
1385         (expand_parallel_call): Assert sched_kind isn't auto,
1386         map runtime schedule to index 3.
1387         (struct omp_for_data_loop): New type.
1388         (struct omp_for_data): Remove v, n1, n2, step, cond_code fields.
1389         Add loop, loops, collapse and iter_type fields.
1390         (workshare_safe_to_combine_p): Disallow combined for if
1391         iter_type is unsigned long long.  Don't combine collapse > 1 loops
1392         unless all bounds and steps are constant.  Adjust extract_omp_for_data
1393         caller.
1394         (expand_omp_for_generic): Handle pointer, unsigned and long long
1395         iterators.  Handle collapsed OMP_FOR loops.  Adjust
1396         for struct omp_for_data changes.  If libgomp function doesn't return
1397         boolean_type_node, add comparison of the return value with 0.
1398         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle
1399         pointer, unsigned and long long iterators.  Adjust for struct
1400         omp_for_data changes.
1401         (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule
1402         to index 3.  Use GOMP_loop_ull*{start,next} if iter_type is
1403         unsigned long long.  Allocate loops array, pass it to
1404         extract_omp_for_data.  For collapse > 1 loops use always
1405         expand_omp_for_generic.
1406         (omp_context): Add sfield_map and srecord_type fields.
1407         (is_task_ctx, lookup_sfield): New functions.
1408         (use_pointer_for_field): Use is_task_ctx helper.  Change first
1409         argument's type from const_tree to tree.  Clarify comment.
1410         In OMP_TASK disallow copy-in/out sharing.
1411         (build_sender_ref): Call lookup_sfield instead of lookup_field.
1412         (install_var_field): Add mask argument.  Populate both record_type
1413         and srecord_type if needed.
1414         (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN
1415         in srecord_type.
1416         (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT}
1417         and DECL_FIELD_OFFSET.
1418         (scan_sharing_clauses): Adjust install_var_field callers.  For
1419         firstprivate clauses on explicit tasks allocate the var by value in
1420         record_type unconditionally, rather than by reference.
1421         Handle OMP_CLAUSE_PRIVATE_OUTER_REF.  Scan OMP_CLAUSE_LASTPRIVATE_STMT.
1422         Use is_taskreg_ctx instead of is_parallel_ctx.
1423         Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
1424         (create_omp_child_function_name): Add task_copy argument, use
1425         *_omp_cpyfn* names if it is true.
1426         (create_omp_child_function): Add task_copy argument, if true create
1427         *_omp_cpyfn* helper function.
1428         (scan_omp_parallel): Adjust create_omp_child_function callers.
1429         Rename parallel_nesting_level to taskreg_nesting_level.
1430         (scan_omp_task): New function.
1431         (lower_rec_input_clauses): Don't run constructors for firstprivate
1432         explicit task vars which are initialized by *_omp_cpyfn*.  
1433         Pass outer var ref to omp_clause_default_ctor hook if
1434         OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE.
1435         Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in
1436         OMP_CLAUSE_REDUCTION_INIT.
1437         (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to
1438         avoid duplicate setting of fields.  Handle
1439         OMP_CLAUSE_PRIVATE_OUTER_REF.
1440         (lower_send_shared_vars): Use srecord_type if non-NULL.  Don't
1441         copy-out if TREE_READONLY, only copy-in.
1442         (expand_task_copyfn): New function.
1443         (expand_task_call): New function.
1444         (struct omp_taskcopy_context): New type.
1445         (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn):
1446         New functions.
1447         (lower_omp_parallel): Rename to...
1448         (lower_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
1449         Call create_task_copyfn if srecord_type is needed.  Adjust
1450         sender_decl type.
1451         (task_shared_vars): New variable.
1452         (check_omp_nesting_restrictions): Warn if work-sharing,
1453         barrier, master or ordered region is closely nested inside OMP_TASK.
1454         Add warnings for barrier if closely nested inside of work-sharing,
1455         ordered, or master region.
1456         (scan_omp_1): Call check_omp_nesting_restrictions even for
1457         GOMP_barrier calls.  Rename parallel_nesting_level to
1458         taskreg_nesting_level.  Handle OMP_TASK.
1459         (lower_lastprivate_clauses): Even if some lastprivate is found on a
1460         work-sharing construct, continue looking for them on parent parallel
1461         construct.
1462         (lower_omp_for_lastprivate): Add lastprivate clauses
1463         to the beginning of dlist rather than end.  Adjust for struct
1464         omp_for_data changes.
1465         (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY,
1466         not after it.  Handle collapsed OMP_FOR loops, adjust for
1467         OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller.
1468         (get_ws_args_for): Adjust extract_omp_for_data caller.
1469         (scan_omp_for): Handle collapsed OMP_FOR
1470         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
1471         (lower_omp_single_simple): If libgomp function doesn't return
1472         boolean_type_node, add comparison of the return value with 0.
1473         (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR
1474         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.  Handle OMP_TASK.
1475         (parallel_nesting_level): Rename to...
1476         (taskreg_nesting_level): ... this.
1477         (is_taskreg_ctx): New function.
1478         (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead
1479         of is_parallel_ctx.
1480         (execute_lower_omp): Rename parallel_nesting_level to
1481         taskreg_nesting_level.
1482         (expand_omp_parallel): Rename to...
1483         (expand_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
1484         Call omp_task_call for OMP_TASK regions.
1485         (expand_omp): Adjust caller, handle OMP_TASK.
1486         (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK.
1487
1488         * bitmap.c (bitmap_default_obstack_depth): New variable.
1489         (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing
1490         if argument is NULL and bitmap_default_obstack is already initialized.
1491         * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release
1492         at the end.
1493         * matrix-reorg.c (matrix_reorg): Likewise.
1494
1495 2008-06-06  Uros Bizjak  <ubizjak@gmail.com>
1496
1497         * config/i386/i386.md (*indirect_jump): Macroize using P
1498         mode iterator.  Remove !TARGET_64BIT from insn constraints.
1499         (*tablejump_1): Ditto.
1500         (*indirect_jump_rex64): Remove insn pattern.
1501         (*tablejump_1_rex64): Ditto.
1502         (eh_return_<mode>): Macroize using P mode iterator from eh_return_di
1503         and eh_return_si insn patterns.
1504
1505 2008-06-06  Richard Guenther  <rguenther@suse.de>
1506
1507         * tree-ssa-structalias.c (merge_smts_into): Remove.
1508         (find_what_p_points_to): Do not bother to compute the
1509         points-to set for pt_anything pointers.
1510         * tree-ssa-operands.c (get_addr_dereference_operands): No NMT
1511         for pt_anything pointers is ok.
1512
1513 2008-06-06  Jan Hubicka  <jh@suse.cz>
1514
1515         * passes.c (execute_ipa_pass_list): Do not regenerate summaries.
1516
1517 2008-06-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1518
1519         * cgraph.c: Fix typos in comments.
1520         (cgraph_availability_names): Fix string typo.
1521         * fold-const.c: Fix typos in comments.
1522         (fold_binary): Fix typo in warning.
1523         * genautomata.c: Fix typos in comments.
1524         (check_presence_pattern_sets): Fix typo in local variable.
1525         (output_description): Fix typo in output.
1526         * ggc-zone.c (ggc_pch_finish): Fix typo in error message.
1527         * hwint.h: Likewise.
1528         * matrix-reorg.c (check_allocation_function): Likewise.
1529         * omega.c (smooth_weird_equations): Likewise.
1530         * auto-inc-dec.c: Fix typos in comments.
1531         * bb-reorder.c: Likewise.
1532         * builtins.c: Likewise.
1533         * c-common.c: Likewise.
1534         * c-cppbuiltin.c: Likewise.
1535         * c-parser.c: Likewise.
1536         * c-pretty-print.c: Likewise.
1537         * cfgcleanup.c: Likewise.
1538         * cfgexpand.c: Likewise.
1539         * cfghooks.c: Likewise.
1540         * cfglayout.c: Likewise.
1541         * cfgloopmanip.c: Likewise.
1542         * cgraphunit.c: Likewise.
1543         * coverage.c: Likewise.
1544         * dbxout.c: Likewise.
1545         * df-byte-scan.c: Likewise.
1546         * df-core.c: Likewise.
1547         * df-problems.c: Likewise.
1548         * df-scan.c: Likewise.
1549         * dfp.c: Likewise.
1550         * dominance.c: Likewise.
1551         * domwalk.c: Likewise.
1552         * dse.c: Likewise.
1553         * dwarf2out.c: Likewise.
1554         * emit-rtl.c: Likewise.
1555         * et-forest.c: Likewise.
1556         * function.c: Likewise.
1557         * function.h: Likewise.
1558         * gcc.c: Likewise.
1559         * gcov-io.c: Likewise.
1560         * gcov.c: Likewise.
1561         * gcse.c: Likewise.
1562         * genattrtab.c: Likewise.
1563         * ggc-page.c: Likewise.
1564         * gimplify.c: Likewise.
1565         * gthr-lynx.h: Likewise.
1566         * haifa-sched.c: Likewise.
1567         * ipa-cp.c: Likewise.
1568         * ipa-inline.c: Likewise.
1569         * ipa-prop.h: Likewise.
1570         * ipa-pure-const.c: Likewise.
1571         * ipa-struct-reorg.c: Likewise.
1572         * ipa-struct-reorg.h: Likewise.
1573         * ipa-type-escape.c: Likewise.
1574         * ipa.c: Likewise.
1575         * loop-doloop.c: Likewise.
1576         * mips-tfile.c: Likewise.
1577         * mkmap-flat.awk: Likewise.
1578         * mkmap-symver.awk: Likewise.
1579         * modulo-sched.c: Likewise.
1580         * omp-low.c: Likewise.
1581         * optabs.c: Likewise.
1582         * optabs.h: Likewise.
1583         * opts.c: Likewise.
1584         * passes.c: Likewise.
1585         * postreload-gcse.c: Likewise.
1586         * postreload.c: Likewise.
1587         * predict.c: Likewise.
1588         * pretty-print.h: Likewise.
1589         * profile.c: Likewise.
1590         * protoize.c: Likewise.
1591         * ra-conflict.c: Likewise.
1592         * real.c: Likewise.
1593         * recog.c: Likewise.
1594         * regclass.c: Likewise.
1595         * regs.h: Likewise.
1596         * reload.c: Likewise.
1597         * rtl-error.c: Likewise.
1598         * rtlanal.c: Likewise.
1599         * scan.h: Likewise.
1600         * sched-rgn.c: Likewise.
1601         * see.c: Likewise.
1602         * stmt.c: Likewise.
1603         * target.h: Likewise.
1604         * tree-dfa.c: Likewise.
1605         * tree-eh.c: Likewise.
1606         * tree-flow-inline.h: Likewise.
1607         * tree-inline.c: Likewise.
1608         * tree-into-ssa.c: Likewise.
1609         * tree-loop-distribution.c: Likewise.
1610         * tree-nested.c: Likewise.
1611         * tree-parloops.c: Likewise.
1612         * tree-pass.h: Likewise.
1613         * tree-pretty-print.c: Likewise.
1614         * tree-profile.c: Likewise.
1615         * tree-scalar-evolution.c: Likewise.
1616         * tree-sra.c: Likewise.
1617         * tree-ssa-alias-warnings.c: Likewise.
1618         * tree-ssa-ccp.c: Likewise.
1619         * tree-ssa-coalesce.c: Likewise.
1620         * tree-ssa-dom.c: Likewise.
1621         * tree-ssa-dse.c: Likewise.
1622         * tree-ssa-forwprop.c: Likewise.
1623         * tree-ssa-live.c: Likewise.
1624         * tree-ssa-live.h: Likewise.
1625         * tree-ssa-loop-im.c: Likewise.
1626         * tree-ssa-loop-ivopts.c: Likewise.
1627         * tree-ssa-loop-niter.c: Likewise.
1628         * tree-ssa-loop-prefetch.c: Likewise.
1629         * tree-ssa-phiopt.c: Likewise.
1630         * tree-ssa-phiprop.c: Likewise.
1631         * tree-ssa-sccvn.c: Likewise.
1632         * tree-ssa-ter.c: Likewise.
1633         * tree-ssa-threadupdate.c: Likewise.
1634         * tree-ssa.c: Likewise.
1635         * tree-vect-analyze.c: Likewise.
1636         * tree-vect-transform.c: Likewise.
1637         * tree-vectorizer.c: Likewise.
1638         * tree-vn.c: Likewise.
1639         * tree-vrp.c: Likewise.
1640         * tree.c: Likewise.
1641         * tree.def: Likewise.
1642         * tree.h: Likewise.
1643         * unwind-dw2-fde.c: Likewise.
1644         * unwind.inc: Likewise.
1645         * value-prof.c: Likewise.
1646         * vmsdbgout.c: Likewise.
1647
1648 2008-06-05  David Edelsohn  <edelsohn@gnu.org>
1649
1650         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Do not
1651         always place FP constants in the TOC for TARGET_POWERPC64.
1652         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Same.
1653
1654 2008-06-05  Joseph Myers  <joseph@codesourcery.com>
1655
1656         * config.gcc (powerpc-*-linux*spe*): Use t-dfprules.
1657         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): Do not
1658         enable for TARGET_E500_DOUBLE.
1659         (*movdd_softfloat32): Also enable for !TARGET_FPRS.
1660         * config/rs6000/rs6000.c (invalid_e500_subreg): Treat decimal
1661         floating-point modes like integer modes for E500 double.
1662         (rs6000_legitimate_offset_address_p): Likewise.
1663         (rs6000_legitimize_address): Likewise.  Do not allow REG+REG
1664         addressing for DDmode for E500 double.
1665         (rs6000_hard_regno_nregs): Do not treat decimal floating-point
1666         modes as using 64-bits of registers for E500 double.
1667         (spe_build_register_parallel): Do not handle DDmode or TDmode.
1668         (rs6000_spe_function_arg): Do not handle DDmode or TDmode
1669         specially for E500 double.
1670         (function_arg): Do not call rs6000_spe_function_arg for DDmode or
1671         TDmode for E500 double.
1672         (rs6000_gimplify_va_arg): Only handle SDmode in registers
1673         specially if TARGET_HARD_FLOAT && TARGET_FPRS.
1674         (rs6000_split_multireg_move): Do not handle TDmode specially for
1675         E500 double.
1676         (spe_func_has_64bit_regs_p): Do not treat DDmode or TDmode as
1677         using 64-bit registers for E500 double.
1678         (emit_frame_save): Do not handle DDmode specially for E500 double.
1679         (gen_frame_mem_offset): Likewise.
1680         (rs6000_function_value): Do not call spe_build_register_parallel
1681         for DDmode or TDmode.
1682         (rs6000_libcall_value): Likewise.
1683         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,
1684         DATA_ALIGNMENT, CLASS_MAX_NREGS): Do not handle DDmode specially
1685         for E500 double.
1686
1687 2008-06-04  H.J. Lu  <hongjiu.lu@intel.com>
1688
1689         * config/i386/i386.c (setup_incoming_varargs_64): Fix a typo
1690         in comments.
1691
1692 2008-06-04  Junjie Gu <jgu@tensilica.com>
1693
1694         * config/xtensa/lib2funcs.S (__xtensa_nonlocal_goto): Use unsigned
1695         comparison for frame pointers.
1696
1697 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
1698
1699         PR target/27386
1700         * config/avr/avr.h (PUSH_ROUNDING): Remove.
1701
1702 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
1703
1704         PR target/30243
1705         * builtins.c (expand_builtin_signbit): Don't take lowpart when
1706         register is already smaller or equal to required mode. 
1707
1708 2008-06-04  Xinliang David Li  <davidxl@google.com>
1709
1710         * tree-call-cdce.c: New file. 
1711         (cond_dead_built_in_calls): New static variable.
1712         (input_domain): New struct.
1713         (check_pow): New function.
1714         (check_builtin_call): Ditto.
1715         (check_target_format): Ditto.
1716         (is_call_dce_candidate): Ditto.
1717         (gen_one_condition): Ditto.
1718         (gen_conditions_for_domain): Ditto.
1719         (get_domain): Ditto.
1720         (gen_conditions_for_pow_cst_base): Ditto.
1721         (gen_conditions_for_pow_int_base): Ditto.
1722         (gen_conditions_for_pow): Ditto.
1723         (get_no_error_domain): Ditto.
1724         (gen_shrink_wrap_conditions): Ditto.
1725         (shrink_wrap_one_built_in_call): Ditto.
1726         (shink_wrap_conditional_dead_built_in_calls): Ditto.
1727         (tree_call_cdce): Ditto.
1728         (gate_call_cdce): Ditto.
1729         (pass_call_cdce): New gimple pass.
1730         * passes.c: (init_optimization_passes): New pass.
1731         * tree-pass.h: New pass declaration.
1732         * opts.c (decode_options): New flag setting.
1733         * common.opt: Add -ftree-builtin-call-dce flag.
1734         * Makefile.in: Add new source file.
1735         * tempvar.def: New tv_id.
1736         * doc/invoke.texi (-ftree-builtin-call-dce): New flag.
1737
1738 2008-06-04  Richard Guenther  <rguenther@suse.de>
1739
1740         * tree-flow-inline.h (is_global_var): Do not check TREE_STATIC on MTAGs.
1741         (is_call_clobbered): Always check var_ann->call_clobbered.
1742         (mark_call_clobbered): Always set var_ann->call_clobbered.
1743         (clear_call_clobbered): Always clear var_ann->call_clobbered.
1744         * tree-ssa-alias.c (mark_non_addressable): Use clear_call_clobbered.
1745         (reset_alias_info): Clear call clobbering info on MTAGs and
1746         globals as well.
1747         (set_pt_anything): Set pt_global_mem.
1748         (create_tag_raw): Adjust comment.
1749         (may_be_aliased): Do not check TREE_PUBLIC on MTAGs.
1750
1751 2008-06-04  Joseph Myers  <joseph@codesourcery.com>
1752             Maxim Kuvyrkov  <maxim@codesourcery.com>
1753
1754         * config/m68k/m68k.opt (mxgot): New option.
1755         * config/m68k/m68k.c (legitimize_pic_address): Handle -mxgot.
1756         (m68k_output_addr_const_extra): New.
1757         * config/m68k/m68k.h (OUTPUT_ADDR_CONST_EXTRA): New.
1758         * config/m68k/m68k-protos.h (m68k_output_addr_const_extra): Declare.
1759         * config/m68k/m68k.md (UNSPEC_GOTOFF): Define.
1760         * doc/invoke.texi (M680x0 Options): Document -mxgot.
1761
1762 2008-06-04  Richard Guenther  <rguenther@suse.de>
1763
1764         * tree-ssa-structalias.c (handle_ptr_arith): Correctly handle
1765         negative or non-representable offsets.
1766
1767 2008-06-03  H.J. Lu  <hongjiu.lu@intel.com>
1768
1769         * config/i386/i386.c (ix86_gen_leave): New.
1770         (ix86_gen_pop1): Likewise.
1771         (ix86_gen_add3): Likewise.
1772         (ix86_gen_sub3): Likewise.
1773         (ix86_gen_sub3_carry): Likewise.
1774         (ix86_gen_one_cmpl2): Likewise.
1775         (ix86_gen_monitor): Likewise.
1776         (override_options): Initialize ix86_gen_leave, ix86_gen_pop1,
1777         ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
1778         ix86_gen_one_cmpl2 and ix86_gen_monitor.
1779         (ix86_file_end): Use mov%z0 instead of mov{q}/mov{l}.
1780         (output_set_got): Use mov%z0, pop%z0 and add%z0 instead of
1781         mov{q}/mov{l}, pop{q}/pop{l} and add{q}/add{l}.
1782         (ix86_expand_epilogue): Updated.
1783         (print_operand): Handle integer register operand for 'z'.
1784         (ix86_expand_strlensi_unroll_1): Likewise.
1785         (ix86_expand_strlen): Likewise.
1786         (ix86_expand_builtin): Likewise.
1787         (x86_output_mi_thunk): Use mov%z1 and add%z1 instead of
1788         mov{q}/mov{l} and add{q}/add{l}.
1789
1790 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
1791
1792         * config/i386/i386.md (P): New mode iterator.
1793         (SFmode push_operand splitter): Macroize DImode and SImode pushes
1794         using P mode iterator.
1795         (DFmode push_operand splitter): Ditto.
1796         (XFmode push_operand splitter): Ditto.
1797         (DFmode float_extend SFmode push_operand splitter): Ditto.
1798         (XFmode float_extend SFmode push_operand splitter): Do not generate
1799         SImode pushes for 64bit target.  Macroize Dimode and SImode
1800         pushes using P mode iterator.
1801         (XFmode float_extend DFmode push_operand splitter): Ditto.
1802
1803 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
1804
1805         * config/i386/i386-protos.h (ix86_reg_parm_stack_space): New.
1806         * config/i386/i386.h (ix86_reg_parm_stack_space): Removed prototype.
1807         * config/i386/i386.c (ix86_reg_parm_stack_space): Changed
1808         return type to int.
1809         (ix86_call_abi_override): Remove check for call_used_regs.
1810
1811 2008-06-03  Richard Guenther  <rguenther@suse.de>
1812
1813         * tree-ssa-structalias.c (find_func_aliases): Add constraints
1814         for the lhs of calls if the return type contains pointers.
1815
1816 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
1817
1818         * doc/tm.texi (OVERRIDE_ABI_FORMAT): New.
1819         * doc/extend.texi (ms_abi,sysv_abi): New attribute description.
1820         * function.c (allocate_struct_function): Use of OVERRIDE_ABI_FORMAT.
1821         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use
1822         of cfun and DEFAULT_ABI to deceide abi mode.
1823         (DEFAULT_ABI): New.
1824         (REG_PARM_STACK_SPACE): Removed.
1825         (OUTGOING_REG_PARM_STACK_SPACE): Removed.
1826         (STACK_BOUNDARY): Use default target to deceide stack boundary.
1827         * config/i386/i386-protos.h (ix86_cfun_abi): New.
1828         (ix86_function_abi): Likewise.
1829         (ix86_function_type_abi): Likewise.
1830         (ix86_call_abi_override): Likewise.
1831         * confid/i386/i386.md (SSE_REGPARM_MAX): Replaced by abi
1832         specific define X86_64_SSE_REGPARM_MAX/X64_SSE_REGPARM_MAX.
1833         * config/i386/i386.c (override_options): Replace TARGET_64BIT_MS_ABI.
1834         (X86_64_VARARGS_SIZE): Replace REGPARM_MAX and SSE_REGPARM_MAX by abi
1835         specific defines.
1836         (X86_64_REGPARM_MAX): New.
1837         (X86_64_SSE_REGPARM_MAX): New.
1838         (X64_REGPARM_MAX): New.
1839         (X64_SSE_REGPARM_MAX): New.
1840         (X86_32_REGPARM_MAX): New.
1841         (X86_32_SSE_REGPARM_MAX): New.
1842         (ix86_handle_cconv_attribute): Replace TARGET_64BIT_MS_ABI.
1843         (ix86_function_regparm): Handle user calling abi.
1844         (ix86_function_arg_regno_p): Replace TARGET_64BIT_MS_ABI
1845         by DEFAULT_ABI versus SYSV_ABI check.
1846         (ix86_reg_parm_stack_space): New.
1847         (ix86_function_type_abi): New.
1848         (ix86_call_abi_override): New.
1849         (ix86_function_abi): New.
1850         (ix86_cfun_abi): New.
1851         (init_cumulative_args): Call abi specific initialization.
1852         (function_arg_advance): Remove TARGET_64BIT_MS_ABI.
1853         (function_arg_64): Extend SSE_REGPARM_MAX check.
1854         (function_arg (): Remove TARGET_64BIT_MS_ABI.
1855         (ix86_pass_by_reference): Likewise.
1856         (ix86_function_value_regno_p): Likewise.
1857         (function_value_64): Replace REGPARM_MAX, and SSE_REGPARM_MAX.
1858         (ix86_function_value_1): Replace TARGET_64BIT_MS_ABI.
1859         (return_in_memory_ms_64): Replace TARGET_64BIT_MS_ABI.
1860         (ix86_build_builtin_va_list): Replace TARGET_64BIT_MS_ABI.
1861         (setup_incoming_varargs_64): Adjust regparm for call abi.
1862         (ix86_setup_incoming_varargs): Replace TARGET_64BIT_MS_ABI.
1863         (ix86_va_start): Likewise.
1864         (ix86_gimplify_va_arg): Likewise.
1865         (ix86_expand_prologue): Likewise.
1866         (output_pic_addr_const): Likewise.
1867         (ix86_init_machine_status): Initialize call_abi by DEFAULT_ABI.
1868         (x86_this_parameter): Replace TARGET_64BIT_MS_ABI.
1869         (x86_output_mi_thunk): Likewise.
1870         (x86_function_profiler): Likewise.
1871         * config/i386/i386.h (TARGET_64BIT_MS_ABI): Use ix64_cfun_abi.
1872         (SYSV_ABI, MS_ABI): New constants.
1873         (DEFAULT_ABI): New.
1874         (init_regs): Add prototype of function in regclass.c file.
1875         (OVERRIDE_ABI_FORMAT): New.
1876         (CONDITIONAL_REGISTER_USAGE): Remove TARGET_64BIT_MS_ABI part.
1877         (REG_PARM_STACK_SPACE): Use ix86_reg_parm_stack_space.
1878         (OUTGOING_REG_PARM_STACK_SPACE): New.
1879         (ix86_reg_parm_stack_space): New prototype.
1880         (CUMULATIVE_ARGS): Add call_abi member.
1881         (machine_function): Add call_abi member.
1882         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace
1883         TARGET_64BIT_MS_ABI by DEFAULT_ABI compare to MS_ABI.
1884
1885 2008-06-02  Andy Hutchinson  <hutchinsonandy@aim.com> 
1886
1887         PR target/34879
1888         * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Redefine.
1889         (avr_builtin_setjmp_frame_value): New function.
1890         * config/avr/avr.md (nonlocal_goto_receiver): Define.
1891         (nonlocal_goto): Define.
1892
1893 2008-06-02  Richard Sandiford  <rdsandiford@googlemail.com>
1894
1895         * config/mips/mips.c (mips_emit_loadgp): Return early if
1896         there is nothing do to, otherwise emit a blockage if
1897         !TARGET_EXPLICIT_RELOCS || crtl->profile.
1898         * config/mips/mips.md (loadgp_blockage): Use SI rather than DI.
1899
1900 2008-06-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1901
1902         * configure.ac: Drop unneeded backslash ending up in config.in.
1903         * acinclude.m4: Likewise.
1904         * config.in: Regenerate.
1905
1906 2008-05-26  Jan Hubicka  <jh@suse.cz>
1907
1908         * predict.c (maybe_hot_frequency_p): Break out of...
1909         (maybe_hot_bb_p): ... here.
1910         (maybe_hot_edge_p): New.
1911         * tree-ssa-coalesce.c (coalesce_cost_edge): Compute cost based on edge.
1912         * basic-block.h (maybe_hot_edge_p): Declare.
1913
1914 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
1915
1916         * config/i386/i386.md (*cmpfp_<mode>): Enable for optimize_size.
1917         (*cmpfp_<mode>_cc): Ditto.
1918         (*fp_jcc_8<mode>_387): Ditto.
1919         (*fop_<MODEF:mode>_2_i387): Ditto.
1920         (*fop_<MODEF:mode>_3_i387): Ditto.
1921         (*fop_xf_2_i387): Ditto.
1922         (*fop_xf_3_i387): Ditto.
1923
1924 2008-06-02  Tomas Bily  <tbily@suse.cz>
1925
1926         * tree-ssa-ifcombine.c (get_name_for_bit_test): Use CONVERT_EXPR_P.
1927
1928 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
1929
1930         * config/mips/mips.c (mips_valid_offset_p): New function.
1931         (mips_valid_lo_sum_p): Likewise.
1932         (mips_classify_address): Use them.
1933         (mips_force_address): New function.
1934         (mips_legitimize_address): Use it.
1935         * config/mips/mips.md (MOVE128): New mode iterator.
1936         (movtf): Require TARGET_64BIT.  Remove empty strings.
1937         (*movtf_internal): Rename to...
1938         (*movtf): ...this and require !TARGET_MIPS16.  Use "m" instead
1939         of "R" and use {,fp}{load,store} attributes instead of "multi".
1940         Use a separate define_split.
1941         (*movtf_mips16): New pattern.
1942
1943 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
1944
1945         * config/mips/mips-protos.h (mips_expand_before_return): Declare.
1946         * config/mips/mips.c (mips_expand_before_return): New function.
1947         (mips_expand_epilogue): Call it.
1948         * config/mips/mips.md (return): Turn into a define_expand.
1949         (*return): New insn.
1950
1951 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
1952
1953         * rtl.h (emit_clobber, gen_clobber, emit_use, gen_use): Declare.
1954         * emit-rtl.c (emit_clobber, gen_clobber, emit_use, gen_use): New
1955         functions.  Do not emit uses and clobbers of CONCATs; individually
1956         use and clobber their operands.
1957         * builtins.c (expand_builtin_setjmp_receiver): Use emit_clobber,
1958         gen_clobber, emit_use and gen_use.
1959         (expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise.
1960         (expand_builtin_return): Likewise.
1961         * cfgbuild.c (count_basic_blocks): Likewise.
1962         * cfgrtl.c (rtl_flow_call_edges_add): Likewise.
1963         * explow.c (emit_stack_restore): Likewise.
1964         * expmed.c (extract_bit_field_1): Likewise.
1965         * expr.c (convert_move, emit_move_complex_parts): Likewise.
1966         (emit_move_multi_word, store_constructor): Likewise.
1967         * function.c (do_clobber_return_reg, do_use_return_reg): Likewise.
1968         (thread_prologue_and_epilogue_insns): Likewise.
1969         * lower-subreg.c (resolve_simple_move): Likewise.
1970         * optabs.c (widen_operand, expand_binop): Likewise.
1971         (expand_doubleword_bswap, emit_no_conflict_block): Likewise.
1972         * reload.c (find_reloads): Likewise.
1973         * reload1.c (eliminate_regs_in_insn): Likewise.
1974         * stmt.c (expand_nl_goto_receiver): Likewise.
1975         * config/alpha/alpha.md (builtin_longjmp): Likewise.
1976         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
1977         * config/arm/arm.c (arm_load_pic_register): Likewise.
1978         (thumb1_expand_epilogue, thumb_set_return_address): Likewise.
1979         * config/arm/arm.md (untyped_return): Likewise.
1980         * config/arm/linux-elf.h (PROFILE_HOOK): Likewise.
1981         * config/avr/avr.c (expand_prologue): Likewise.
1982         * config/bfin/bfin.c (do_unlink): Likewise.
1983         * config/bfin/bfin.md (<optab>di3, adddi3, subdi3): Likewise.
1984         * config/cris/cris.c (cris_expand_prologue): Likewise.
1985         * config/darwin.c (machopic_indirect_data_reference): Likewise.
1986         (machopic_legitimize_pic_address): Likewise.
1987         * config/frv/frv.c (frv_frame_access, frv_expand_epilogue): Likewise.
1988         (frv_ifcvt_modify_insn, frv_expand_mdpackh_builtin): Likewise.
1989         * config/i386/i386.c (ix86_expand_vector_move_misalign): Likewise.
1990         (ix86_expand_convert_uns_didf_sse): Likewise.
1991         (ix86_expand_vector_init_general): Likewise.
1992         * config/ia64/ia64.md (eh_epilogue): Likewise.
1993         * config/iq2000/iq2000.c (iq2000_expand_epilogue): Likewise.
1994         * config/m32c/m32c.c (m32c_emit_eh_epilogue): Likewise.
1995         * config/m32r/m32r.c (m32r_reload_lr): Likewise.
1996         (config/iq2000/iq2000.c): Likewise.
1997         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
1998         (fixuns_truncdfdi2, fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise.
1999         (builtin_longjmp): Likewise.
2000         * config/mn10300/mn10300.md (call, call_value): Likewise.
2001         * config/pa/pa.md (nonlocal_goto, nonlocal_longjmp): Likewise.
2002         * config/pdp11/pdp11.md (abshi2): Likewise.
2003         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
2004         * config/s390/s390.c (s390_emit_prologue): Likewise.
2005         * config/s390/s390.md (movmem_long, setmem_long): Likewise.
2006         (cmpmem_long, extendsidi2, zero_extendsidi2, udivmoddi4): Likewise.
2007         (builtin_setjmp_receiver, restore_stack_nonlocal): Likewise.
2008         * config/sh/sh.c (prepare_move_operands): Likewise.
2009         (output_stack_adjust, sh_expand_epilogue): Likewise.
2010         (sh_set_return_address, sh_expand_t_scc): Likewise.
2011         * config/sparc/sparc.c (load_pic_register): Likewise.
2012         * config/sparc/sparc.md (untyped_return, nonlocal_goto): Likewise.
2013         * config/spu/spu.c (spu_expand_epilogue): Likewise.
2014         * config/v850/v850.c (expand_epilogue): Likewise.
2015
2016 2008-05-31  Anatoly Sokolov  <aesok@post.ru>
2017
2018         * config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): New constants.
2019         (UNSPECV_WRITE_SP_IRQ_OFF): (Ditto.).
2020         (movhi_sp_r_irq_off, movhi_sp_r_irq_on): New insn.
2021         * config/avr/avr.c (expand_prologue, expand_epilogue): Use 
2022         movhi_sp_r_irq_off and movhi_sp_r_irq_on insns for writing to the 
2023         stack pointer register.
2024         (output_movhi): Remove code for interrupt specific writing to the 
2025         stack pointer register.
2026
2027 2008-05-31  Richard Guenther  <rguenther@suse.de>
2028
2029         PR tree-optimization/34244
2030         * fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP.
2031         (tree_expr_nonzero_warnv_p): Likewise.
2032         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
2033         ssa_name_nonnegative_p.
2034         (vrp_expr_computes_nonzero): Call ssa_name_nonzero_p.
2035         (extract_range_from_unary_expr): Use vrp_expr_computes_nonzero,
2036         not tree_expr_nonzero_warnv_p.
2037
2038         PR tree-optimization/36262
2039         Revert
2040         2007-11-29  Zdenek Dvorak  <ook@ucw.cz>
2041
2042         PR tree-optimization/34244
2043         * tree-vrp.c (adjust_range_with_scev): Clear scev cache.
2044         (record_numbers_of_iterations): New function.
2045         (execute_vrp): Cache the numbers of iterations of loops.
2046         * tree-scalar-evolution.c (scev_reset_except_niters):
2047         New function.
2048         (scev_reset): Use scev_reset_except_niters.
2049         * tree-scalar-evolution.h (scev_reset_except_niters): Declare.
2050
2051 2008-05-31  Bernd Schmidt  <bernd.schmidt@analog.com>
2052
2053         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2054         __WORKAROUND_RETS when appropriate.
2055
2056 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
2057
2058         * config/i386/i386.md (*fop_<mode>_comm_mixed): Macroize from
2059         *fop_sf_comm_mixed and *fop_df_comm_mixed insn patterns using MODEF
2060         mode iterator.
2061         (*fop_<mode>_comm_sse): Macroize from *fop_sf_comm_sse and
2062         *fop_df_comm_sse insn patterns using MODEF mode iterator.
2063         (*fop_<mode>_comm_i387): Macroize from *fop_sf_comm_i387 and
2064         *fop_df_comm_i387 insn patterns using MODEF mode iterator.
2065         (*fop_<mode>_1_mixed): Macroize from *fop_sf_1_mixed and
2066         *fop_df_1_mixed insn patterns using MODEF mode iterator.
2067         (*fop_<mode>_1_sse): Macroize from *fop_sf_1_sse and
2068         *fop_df_1_sse insn patterns using MODEF mode iterator.
2069         (*fop_<mode>_1_i387): Macroize from *fop_sf_1_i387 and
2070         *fop_df_1_i387 insn patterns using MODEF mode iterator.
2071         (*fop_<MODEF:mode>_2_i387): Macroize from *fop_sf_2<mode>_i387 and
2072         *fop_df_2<mode>_i387 insn patterns using MODEF mode iterator.
2073         (*fop_<MODEF:mode>_3_i387): Macroize from *fop_sf_3<mode>_i387 and
2074         *fop_df_3<mode>_i387 insn patterns using MODEF mode iterator.
2075         (*fop_xf_2_i387): Rename from *fop_xf_2<mode>_i387.
2076         (*fop_xf_3_i387): Rename from *fop_xf_3<mode>_i387.
2077         (*fop_xf_4_i387): Use <MODE> for mode attribute.
2078         (*fop_xf_5_i387): Ditto.
2079         (*fop_xf_6_i387): Ditto.
2080
2081 2008-05-30  Richard Guenther  <rguenther@suse.de>
2082
2083         * builtins.c (build_string_literal): Avoid generating
2084         a non-gimple_val result.
2085
2086 2008-05-30  DJ Delorie  <dj@redhat.com>
2087
2088         * exec-tool.in: Use an environment variable (private) instead of a
2089         file (shared) as a semaphore, so as to not break parallel builds.
2090
2091 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
2092
2093         * optabs.c (maybe_encapsulate_block): Remove.
2094         (emit_libcall_block): Adjust accordingly.
2095         * optabs.h (maybe_encapsulate_block): Remove prototype.
2096
2097         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address):
2098         Don't use maybe_encapsulate_block.
2099
2100 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
2101
2102         * config/rs6000/rs6000.c (rs6000_legitimize_address,
2103         rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an
2104         rtx is a SYMBOL_REF before calling get_pool_constant.
2105
2106 2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>
2107
2108         * fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.
2109
2110 2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>
2111
2112         * incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
2113         rather than OS names to choose INO_T_EQ definition.
2114         (DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
2115         (add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name field.
2116
2117 2008-05-29  Daniel Franke  <franke.daniel@gmail.com>
2118
2119         PR target/36348
2120         * config/darwin-f.c: New.
2121         * config/t-darwin: Added rule to build darwin-f.o.
2122         * config.gcc: Defined new variable, fortran_target_objs.
2123         (*-*-darwin*): Set fortran_target_objs.
2124         * Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
2125         * configure.ac: Substitute fortran_target_objs, set FORTRAN_TARGET_OBJS.
2126         * configure: Regenerated.
2127
2128 2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>
2129
2130         PR target/35771
2131         * config/i386/i386.c (ix86_function_arg_boundary): Convert to
2132         canonical type if needed.
2133
2134 2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>
2135
2136         * tree-nested.c (check_for_nested_with_variably_modified): Fix typo.
2137
2138 2008-05-29  Richard Guenther  <rguenther@suse.de>
2139
2140         PR tree-optimization/36343
2141         PR tree-optimization/36346
2142         PR tree-optimization/36347
2143         * tree-flow.h (clobber_what_p_points_to): Declare.
2144         * tree-ssa-structalias.c (set_uids_in_ptset): Whether the
2145         pointed-to variable is dereferenced is irrelevant to whether
2146         the pointer can access the pointed-to variable.
2147         (clobber_what_p_points_to): New function.
2148         * tree-ssa-alias.c (set_initial_properties): Use it.
2149         * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
2150         call clobber check for NMTs.
2151
2152 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
2153         
2154         * value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
2155         for printing gcov_type.
2156
2157 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
2158
2159         * tree-ssa-propagate.c (set_rhs): Preserve the histogram
2160         and the eh region information.
2161         * value-prof.c (gimple_move_stmt_histograms): New function.
2162         * value-prof.h (gimple_move_stmt_histograms): New function declaration.
2163
2164 2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>
2165
2166         * config/pa/pa.md: Remove extern frame_pointer_needed declaration.
2167
2168 2008-05-28  Seongbae Park <seongbae.park@gmail.com>
2169
2170         * value-prof.c (tree_ic_transform): Print counts.
2171         * tree-profile.c (tree_gen_ic_func_profiler):
2172         Clear __gcov_indreict_call_callee variable to avoid misattribution
2173         of the profile.
2174
2175 2008-05-28  Rafael Espindola  <espindola@google.com>
2176
2177         * see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
2178         invalid sharing.
2179
2180 2008-05-28  Richard Guenther  <rguenther@suse.de>
2181
2182         PR tree-optimization/36339
2183         * tree-ssa-alias.c (set_initial_properties): Move pt_anything
2184         and clobbering code out of the loop.
2185
2186 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
2187
2188         * config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
2189         letters defined.
2190
2191         * config/s390/s390.c (s390_compare_and_branch_condition_mask,
2192         s390_contiguous_bitmask_p, s390_symref_operand_p,
2193         s390_check_symref_alignment, s390_reload_larl_operand,
2194         s390_reload_symref_address): New functions.
2195         (s390_branch_condition_mnemonic): Support compare and branch
2196         instructions.
2197         (s390_mem_constraint): Avoid symrefs to accepted by the 'T'
2198         and 'W' constraints.
2199         (s390_secondary_reload): Add secondary reloads for unaligned
2200         symbol refs or symbol refs to floating point or QI/TI mode
2201         integer values.
2202         (legitimate_address_p): Accept symbol references as addresses.
2203         (s390_expand_insv): Use rotate and insert selected bits
2204         instruction for insv when building for z10.
2205         (print_operand_address): Handle symbol ref addresses.
2206         (print_operand): Output modifier 'c' added for signed byte values.
2207         (s390_encode_section_info): Mark symbol refs with
2208         SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.
2209
2210         * config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
2211         (length attribute): RRF, RRR have 4 byte length.
2212         (FPALL, INTALL): New mode iterators added.
2213         (*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
2214         *cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
2215         *movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
2216         *extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
2217         *zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
2218         *add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
2219         *add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
2220         *mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
2221         instructions.
2222         (*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
2223         *cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
2224         *cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
2225         reload<INTALL:mode><P:mode>_toreg_z10,
2226         reload<FPALL:mode><P:mode>_tomem_z10,
2227         reload<FPALL:mode><P:mode>_toreg_z10,
2228         reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
2229         *insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
2230         *zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
2231         *cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
2232         definition.
2233         (movmem, clrmem, cmpmem): New splitters added.
2234
2235         * config/s390/predicates.md (larl_operand): Use
2236         SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
2237         SYMBOL_REF_ALIGN1_P.
2238         (s390_signed_integer_comparison,
2239         s390_unsigned_integer_comparison): New predicates.
2240
2241         * config/s390/s390-protos.h (s390_check_symref_alignment,
2242         s390_contiguous_bitmask_p, s390_reload_larl_operand,
2243         s390_reload_symref_address,
2244         s390_compare_and_branch_condition_mask): Prototypes added.
2245
2246         * config/s390/s390.h (TARGET_MEM_CONSTRAINT,
2247         SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
2248         SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.
2249
2250 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
2251
2252         * config/s390/s390.c (z10_cost): New cost function for z10.
2253         (s390_handle_arch_option, override_options): Support -march=z10 switch.
2254         (s390_issue_rate): Adjust issue rate for z10.
2255         * config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
2256         (processor_flags): Add PF_Z10.
2257         (TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
2258         * config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
2259         * gcc/config.gcc: Add z10.
2260
2261 2008-05-28  Richard Guenther  <rguenther@suse.de>
2262
2263         PR tree-optimization/36291
2264         * tree-flow. h (struct gimple_df): Remove var_anns member.
2265         * tree-flow-inline.h (gimple_var_anns): Remove.
2266         (var_ann): Simplify.
2267         * tree-dfa.c (create_var_ann): Simplify.
2268         (remove_referenced_var): Clear alias info from var_anns of globals.
2269         * tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
2270         (delete_tree_ssa): Clear alias info from var_anns of globals.
2271         Do not free var_anns.
2272         (var_ann_eq): Remove.
2273         (var_ann_hash): Likewise.
2274
2275 2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>
2276
2277         * config/mips/mips.c (mips_cpu_info_table): Add loongson2e
2278         and loongson2f entries.
2279         (mips_rtx_cost_data): Add entries for Loongson-2E/2F.
2280         * config/mips/mips.h (processor_type): Add Loongson-2E
2281         and Loongson-2F entries.
2282         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
2283         (MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
2284         * config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
2285         * doc/invoke.texi (MIPS Options): Document loongson2e
2286         and loongson2f processor names.
2287
2288 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
2289
2290         PR target/35767
2291         PR target/35771
2292         * config/i386/i386.c (ix86_function_arg_boundary): Use
2293         alignment of canonical type.
2294         (ix86_expand_vector_move): Check unaligned memory access for
2295         all SSE modes.
2296
2297 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
2298
2299         * dwarf2out.c (current_fde): Change return type to dw_fde_ref.
2300         Moved to the front of file.
2301
2302 2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
2303             H.J. Lu  <hongjiu.lu@intel.com>
2304
2305         * dwarf2out.c (current_fde): New.
2306         (add_cfi): Use it.
2307         (lookup_cfa:): Likewise.
2308         (dwarf2out_end_epilogue): Likewise.
2309         (dwarf2out_note_section_used): Likewise.
2310
2311 2008-05-27  Michael Matz  <matz@suse.de>
2312
2313         PR c++/27975
2314         * c.opt (Wenum-compare): New warning option.
2315         * doc/invoke.texi  (Warning Options): Document -Wenum-compare.
2316
2317 2008-05-27  Michael Matz  <matz@suse.de>
2318
2319         PR middle-end/36326
2320         * tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
2321         non-BLKmode types.
2322         * tree-tailcall.c (find_tail_calls): Don't mark calls storing
2323         into memory as tail calls.
2324
2325 2008-05-27  Richard Guenther  <rguenther@suse.de>
2326
2327         PR tree-optimization/36339
2328         * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
2329         pointers cause all addressable variables to be call clobbered.
2330
2331 2008-05-27  Richard Guenther  <rguenther@suse.de>
2332
2333         PR tree-optimization/36245
2334         * tree-ssa-address.c (add_to_parts): Deal with non-pointer bases.
2335
2336 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
2337
2338         * config/s390/s390.md: Replace all occurences of the 'm'
2339         constraint with 'RT'.
2340
2341 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
2342
2343         * config/s390/s390.md ("cpu_facility", "enabled"): Attribute
2344         definitions added.
2345         ("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
2346         "*movdi_64".
2347         ("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
2348         ("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
2349         ("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".
2350
2351 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
2352
2353         * reload.c: (find_reloads): Skip alternatives according to the
2354         "enabled" attribute. Constify the constraint variable.
2355         * recog.c (get_attr_enabled): Add default implementation.
2356         (extract_insn): Set the alternative_enabled_p array
2357         in the recog_data struct.
2358         (preprocess_constraints, constrain_operands): Skip
2359         alternatives according to the "enabled" attribute
2360         * recog.h (struct recog_data): New field alternative_enabled_p.
2361         (skip_alternative): New inline function.
2362         * regclass.c: (record_operand_costs): Check the "enabled" attribute.
2363         (record_reg_classes): Skip alternative according to the
2364         "enabled" attribute.
2365
2366         * doc/md.texi: Add documention for the "enabled" attribute.
2367
2368 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
2369
2370         * defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
2371         * postreload.c (reload_cse_simplify_operands): Replace 'm'
2372         constraint with TARGET_MEM_CONSTRAINT.
2373         * recog.c (asm_operand_ok, preprocess_constraints,
2374         constrain_operands): Likewise.
2375         * regclass.c (record_reg_classes): Likewise.
2376         * reload.c (find_reloads, alternative_allows_const_pool_ref): Likewise.
2377         * reload1.c (maybe_fix_stack_asms): Likewise.
2378         * stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
2379         * recog.h: Adjust comment.
2380         * genpreds.c (generic_constraint_letters): Remove 'm' constraint.
2381         * genoutput.c (note_constraint): Don't emit error for 'm' constraint.
2382         * doc/md.texi: Add a note to description of 'm' constraint.
2383         * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.
2384
2385 2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>
2386
2387         * tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
2388         that the bitfield is of integral type before testing its precision.
2389
2390 2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2391             Sa Liu  <saliu@de.ibm.com> 
2392
2393         * config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3, 
2394         __modti3, __udivti3, __umodti3 and __udivmodti4.
2395         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
2396         that implement TImode mul and div functions.
2397         * config/spu/multi3.c: New. Implement __multi3.
2398         * config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
2399         * testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
2400         functions on SPU.
2401
2402 2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>
2403
2404         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
2405         new tls_gd_* and tls_ld_* insns instead of an insn sequence.
2406         * config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
2407         tls_sysv_suffix): New mode and mode attribute iterators.
2408         (tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
2409         (lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
2410         (tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
2411         tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
2412         tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
2413         iterators.
2414
2415 2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>
2416
2417         PR tree-optimization/36329
2418         * tree.h (CALL_CANNOT_INLINE_P): Add access check.
2419         * tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
2420         * cgraphbuild.c (initialize_inline_failed): Use the latter
2421         macro in lieu of the former.
2422         * ipa-inline.c (cgraph_mark_inline): Likewise.
2423         (cgraph_decide_inlining_of_small_function): Likewise.
2424         (cgraph_decide_inlining): Likewise.
2425         (cgraph_decide_inlining_incrementally): Likewise.
2426
2427 2008-05-26  Tristan Gingold  <gingold@adacore.com>
2428             Anatoly Sokolov  <aesok@post.ru>
2429
2430         * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
2431         instead of pm_lo8/pm_hi8 to makes this call working on avr6.
2432         * config/avr/avr.c (expand_prologue): Tune "call_prologue" 
2433         optimization for 'avr6' architecture.
2434
2435 2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>
2436
2437         PR target/34932
2438         * config/avr/avr.md (*addhi3_zero_extend2): Remove.
2439
2440 2008-05-26  Richard Guenther  <rguenther@suse.de>
2441
2442         * tree-ssa-sccvn.c (expr_has_constants): Declare.
2443         (visit_reference_op_load): Initialize VN_INFO->has_constants properly.
2444
2445 2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>
2446
2447         PR middle-end/36253
2448         * caller-save.c (insert_restore): Verify alignment of spill space.
2449         (insert_save): Likewise.
2450         * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
2451         * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
2452         (STACK_SLOT_ALIGNMENT): Likewise.
2453         * function.c (LOCAL_ALIGNMENT): Removed.
2454         (get_stack_local_alignment): New.
2455         (assign_stack_local): Use it.  Set alignment on stack slot.
2456         (assign_stack_temp_for_type): Use get_stack_local_alignment.
2457         * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
2458         (STACK_SLOT_ALIGNMENT): New.
2459         * config/i386/i386.c (ix86_local_alignment): Handle caller-save
2460         stack slot in XFmode.
2461
2462         * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.
2463
2464 2008-05-26  Kai Tietz  <kai.tietz@onevision.com>
2465
2466         PR/36321
2467         * config/i386/i386.md (allocate_stack_worker_64): Make sure
2468         argument operand in rax isn't removed.
2469
2470 2008-05-26  Richard Guenther  <rguenther@suse.de>
2471
2472         PR middle-end/36300
2473         * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
2474         not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.
2475
2476 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
2477
2478         PR bootstrap/36331
2479         * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.
2480
2481 2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>
2482
2483         * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
2484         * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".
2485
2486 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
2487
2488         * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
2489         build a trampoline if we don't want one.
2490         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
2491         return zero for nested functions if we don't want a trampoline.
2492
2493 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
2494
2495         * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.
2496
2497 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
2498
2499         PR fortran/18428
2500         * c.opt: Removed undocumented option '-lang-fortran'.
2501         * c-common.h: Removed global variable 'lang_fortran'.
2502         * c-opts.c (c_common_handle_option): Removed code to handle
2503         option '-lang-fortran'. Updated includes.
2504         * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
2505         definition of '__GFORTRAN__'.
2506         (define__GNUC__): Reimplemented to use BASEVER and
2507         cpp_define_formatted.
2508         (builtin_define_with_value_n): Removed.
2509         * c-incpath.h: Renamed to ...
2510         * incpath.h: ... this.
2511         * c-incpath.c: Renamed to ...
2512         * incpath.c: ... this. Updated includes.
2513         * fix-header.c: Updated includes.
2514         * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
2515         (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
2516         (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.
2517
2518 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
2519
2520         * tree.h: Update the table of flags used on tree nodes.
2521         (TREE_NO_TRAMPOLINE): New accessor for static_flag.
2522         (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
2523         (FORCED_LABEL): Add access check.
2524         (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
2525         (ASM_INPUT_P): Likewise.
2526         (ASM_VOLATILE_P): Likewise.
2527         (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
2528         (OMP_SECTION_LAST): Access private_flag directly.
2529         (OMP_RETURN_NOWAIT): Likewise.
2530         (OMP_PARALLEL_COMBINED): Likewise.
2531         (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
2532         (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
2533         * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
2534         deprecated_flag directly.
2535
2536 2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>
2537
2538         * final.c (frame_pointer_needed): Removed.
2539         * flags.h (frame_pointer_needed): Likewise.
2540
2541         * function.h (rtl_data): Add frame_pointer_needed.
2542         (frame_pointer_needed): New.
2543
2544 2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>
2545
2546         * config.gcc (sh2[lbe]*-*-linux*): Allow target.
2547
2548 2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>
2549
2550         * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
2551         SRC is a REG.
2552
2553 2008-05-25  Alan Modra  <amodra@bigpond.net.au>
2554
2555         * c-common.c (strip_array_types): Move function to..
2556         * tree.c: ..here.
2557         (get_inner_array_type): Delete.
2558         * c-common.h (strip_array_types): Move declaration to..
2559         * tree.h: ..here.
2560         (get_inner_array_type): Delete.
2561         * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
2562         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
2563         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
2564         * config/pa/pa.c (emit_move_sequence): Likewise.
2565
2566 2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>
2567
2568         * config/i386/i386.md (*sse_prologue_save_insn): Set length
2569         attribute to 34.
2570
2571 2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>
2572
2573         * function.c: Include target hook for nonlocal_goto frame value.
2574
2575 2008-05-24  Richard Guenther  <rguenther@suse.de>
2576
2577         * tree-dfa.c (refs_may_alias_p): Re-instantiate case that a scalar
2578         variable can be only accessed through a pointer or a union.
2579
2580 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2581
2582         * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
2583         * doc/extend.texi: Likewise.
2584
2585 2008-05-23  DJ Delorie  <dj@redhat.com>
2586
2587         * config/m32c/jump.md (untyped_call): Add.
2588
2589         * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
2590         for A24 to PSImode.
2591         (m32c_address_cost): Detail costs for indirect offsets.
2592
2593 2008-05-23  Rafael Espindola  <espindola@google.com>
2594
2595         * see.c (see_get_extension_data): Don't use SUBREG_REG to test
2596         if a node is a SUBREG.
2597         (see_analyze_one_def): Don't use SUBREG_REG to test if a node
2598         is a SUBREG.
2599
2600 2008-05-23  Paul Brook  <paul@codesourcery.com>
2601             Carlos O'Donell  <carlos@codesourcery.com>
2602
2603         * doc/extend.texi: Clarify use of __attribute__((naked)).
2604         * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
2605         * target.h (gcc_target): Add allocate_stack_slots_for_args.
2606         * function.c (use_register_for_decl): Use
2607         targetm.calls.allocate_stack_slots_for_args.
2608         * target-def.h (TARGET_CALLS): Add TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
2609         * config/arm/arm.c (arm_allocate_stack_slots_for_args): New function.
2610         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
2611
2612 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
2613
2614         * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
2615
2616 2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>
2617
2618         * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
2619         PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
2620         is only rounded once.
2621
2622 2008-05-23  Richard Guenther  <rguenther@suse.de>
2623
2624         * tree-ssa-operands.c (mark_difference_for_renaming): Use bitmap_xor.
2625
2626 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
2627             Jakub Jelinek  <jakub@redhat.com>
2628
2629         PR target/36079
2630         * configure.ac: Handle --enable-cld.
2631         * configure: Regenerated.
2632         * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
2633         * config/i386/i386.h (struct machine_function): Add needs_cld field.
2634         (ix86_current_function_needs_cld): New define.
2635         * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
2636         (cld): New isns pattern.
2637         (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
2638         cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
2639         * config/i386/i386.opt (mcld): New option.
2640         * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
2641         TARGET_CLD and ix86_current_function_needs_cld.
2642         (override_options): Use -mcld by default for 32-bit code if
2643         USE_IX86_CLD.
2644
2645         * doc/install.texi (Options specification): Document --enable-cld.
2646         * doc/invoke.texi (Machine Dependent Options)
2647         [i386 and x86-64 Options]: Add -mcld option.
2648         (Intel 386 and AMD x86-64 Options): Document -mcld option.
2649
2650 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
2651         * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
2652         (return_in_memory_64): Likewise.
2653         (return_in_memory_ms_64): Likewise.
2654
2655 2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2656
2657         * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
2658         * builtins.c (fold_builtin_fpclassify): New.
2659         (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
2660         * builtins.def (BUILT_IN_FPCLASSIFY): New.
2661         * c-common.c (handle_type_generic_attribute): Adjust to accept
2662         fixed arguments before an elipsis.
2663         (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
2664         * doc/extend.texi: Document __builtin_fpclassify.
2665
2666 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
2667
2668         * omp-low.c (gate_expand_omp_ssa): Remove.
2669         (pass_expand_omp_ssa): Remove.
2670         (gate_expand_omp): Do not check for flag_openmp_ssa.
2671         * common.opt (-fopenmp-ssa): Remove.
2672         * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
2673
2674 2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2675
2676         * config/sh/sh.opt (mfixed-range): New option.
2677         * config/sh/sh-protos.h (sh_fix_range): Declare.
2678         * config/sh/sh.c (sh_fix_range): New function.
2679         * config/sh/sh.h (sh_fixed_range_str): Declare.
2680         (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
2681         is not empty.
2682         * doc/invoke.texi (SH Options): Document -mfixed-range.
2683
2684 2008-05-22  Kai Tietz  <kai.tietz@onevision.com>
2685
2686         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
2687         it before the redeclaration.
2688
2689 2008-05-22  Anatoly Sokolov <aesok@post.ru>
2690
2691         * config/avr/avr.c (get_sequence_length): Add new function.
2692         (expand_prologue, expand_epilogue): Remove duplicate code.
2693
2694 2008-05-22  Rafael Espindola  <espindola@google.com>
2695
2696         * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
2697         sharing.
2698
2699 2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>
2700
2701         * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
2702         * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
2703
2704         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
2705         UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
2706         (vect_update_misalignment_for_peel): Likewise.
2707         (vector_alignment_reachable_p): Likewise.
2708         * tree-vect-transform.c (vectorizable_load): Likewise.
2709         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
2710         (get_vectype_for_scalar_type): Pass mode of scalar_type
2711         to UNITS_PER_SIMD_WORD.
2712
2713         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
2714         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
2715         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
2716         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
2717         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
2718
2719 2008-05-22  Ira Rosen  <irar@il.ibm.com>
2720
2721         PR tree-optimization/36293
2722         * tree-vect-transform.c (vect_transform_strided_load): Don't check
2723         if the first load must be skipped because of a gap.
2724
2725 2008-05-22  Richard Guenther  <rguenther@suse.de>
2726
2727         * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
2728         more cases of offset disambiguation that is possible if
2729         strict-aliasing rules apply.
2730         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
2731         for basic offset and type-based disambiguation.
2732
2733 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2734
2735         * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
2736         ix86_expand_vector_set on V16QImode for SSE4.1.
2737
2738 2008-05-21  Tom Tromey  <tromey@redhat.com>
2739
2740         * c.opt (Wimport): Mark as undocumented.
2741         * doc/invoke.texi (Option Summary): Don't mention -Wimport or
2742         -Wno-import.
2743         (Warning Options): Likewise.
2744         * doc/cppopts.texi: Don't mention -Wimport.
2745
2746 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
2747
2748         PR tree-optimization/36287
2749         PR tree-optimization/36286
2750         * lambda-code.c (build_access_matrix): Do not use the loop->num
2751         for computing the number of induction variables: use the loop depth
2752         instead.
2753
2754 2008-05-21  Kai Tietz  <kai.tietz@onevision.com>
2755
2756         PR/36280
2757         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
2758         option -f(no-)leading-underscore.
2759
2760 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2761
2762         * config/i386/i386.c (ix86_expand_vector_init_general): Use
2763         GET_MODE_NUNITS (mode).
2764
2765 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
2766
2767         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
2768         (-mmulhw): Add 464 to description.
2769         (-mdlmzb): Likewise.
2770         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
2771         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
2772         464fp entries.
2773         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
2774         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
2775         * config/rs6000/rs6000.md: Update comments for 464.
2776
2777 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
2778
2779         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
2780
2781 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2782
2783         * config/i386/sse.md (vec_extractv4sf): Removed.
2784         (vec_extractv2df): Likewise.
2785         (vec_extractv2di): Likewise.
2786         (vec_extractv4si): Likewise.
2787         (vec_extractv8hi): Likewise.
2788         (vec_extractv16qi): Likewise.
2789         (vec_extract<mode>): New.
2790
2791 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2792
2793         * config/i386/sse.md (vec_setv4sf): Removed.
2794         (vec_setv2df): Likewise.
2795         (vec_setv2di): Likewise.
2796         (vec_setv4si): Likewise.
2797         (vec_setv8hi): Likewise.
2798         (vec_setv16qi): Likewise.
2799         (vec_set<mode>): New.
2800
2801 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2802
2803         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
2804         goto for vec_concat and vec_interleave.
2805
2806 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2807
2808         * config/i386/sse.md (vec_initv4sf): Removed.
2809         (vec_initv2df): Likewise.
2810         (vec_initv2di): Likewise.
2811         (vec_initv4si): Likewise.
2812         (vec_initv8hi): Likewise.
2813         (vec_initv16qi): Likewise.
2814         (vec_init<mode>): New.
2815
2816 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
2817
2818         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
2819
2820 2008-05-21  Tom Tromey  <tromey@redhat.com>
2821
2822         * ggc-zone.c (lookup_page_table_if_allocated): New function.
2823         (zone_find_object_offset): Likewise.
2824         (gt_ggc_m_S): Likewise.
2825         (highest_bit): Likewise.
2826         * ggc-page.c (gt_ggc_m_S): New function.
2827         * stringpool.c (string_stack): Remove.
2828         (init_stringpool): Update.
2829         (ggc_alloc_string): Use ggc_alloc.
2830         (maybe_delete_ident): New function.
2831         (ggc_purge_stringpool): Likewise.
2832         (gt_ggc_m_S): Remove.
2833         * ggc-common.c (ggc_protect_identifiers): New global.
2834         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
2835         ggc_protect_identifiers.
2836         * ggc.h (ggc_protect_identifiers): Declare.
2837         (gt_ggc_m_S): Update.
2838         (ggc_purge_stringpool): Declare.
2839         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
2840         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
2841         special case.
2842         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
2843
2844 2008-05-21  David S. Miller  <davem@davemloft.net>
2845
2846         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
2847         tmake_file.
2848
2849 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
2850
2851         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
2852         once finished.
2853
2854 2008-05-20  David Daney  <ddaney@avtrex.com>
2855
2856         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
2857         UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
2858         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
2859         UNSPEC_UPDATE_GOT_VERSION): Renumber.
2860         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
2861         (atomic_hiqi_op): New define_code_iterator.
2862         (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
2863         mips_expand_compare_and_swap_12.
2864         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
2865         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
2866         (sync_<optab><mode>, sync_old_<optab><mode>,
2867         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
2868         sync_new_nand<mode>): New define_expands for HI and QI mode operands.
2869         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
2870         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
2871         (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
2872         (test_and_set_12): New insn.
2873         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
2874         sync_new_<optab><mode>, sync_old_nand<mode>,
2875         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
2876         clobber to operand 0 for SI and DI mode insns.
2877         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
2878         mips_gen_fn_4): New typedefs.
2879         (mips_gen_fn_ptrs): Define new union type.
2880         (mips_expand_compare_and_swap_12): Remove declaration.
2881         (mips_expand_atomic_qihi): Declare function.
2882         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
2883         (mips_expand_atomic_qihi): ... this.  Use new generator function
2884         parameter.
2885         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
2886         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
2887         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP, MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
2888         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
2889         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
2890         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
2891         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
2892         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
2893         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
2894         MIPS_SYNC_EXCHANGE_12_ZERO_OP, MIPS_SYNC_EXCHANGE_12_NONZERO_OP):
2895         New macros.
2896
2897 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
2898
2899         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
2900         the missing break.
2901
2902 2008-05-20  Anatoly Sokolov <aesok@post.ru>
2903
2904         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
2905         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
2906         (avr_attribute_table): Add 'OS_main' function attribute.
2907         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
2908         functions with 'OS_main' attribute.
2909
2910 2008-05-20  Richard Guenther  <rguenther@suse.de>
2911
2912         PR tree-optimization/35204
2913         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
2914         helper, split out from ...
2915         (DFS): ... here.  Make the DFS walk non-recursive.
2916
2917 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
2918             Jan Sjodin  <jan.sjodin@amd.com>
2919
2920         PR tree-optimization/36181
2921         * tree-parloops.c (loop_has_vector_phi_nodes): New.
2922         (parallelize_loops): Don't parallelize when the loop has vector
2923         phi nodes.
2924
2925 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
2926             Sebastian Pop  <sebastian.pop@amd.com>
2927
2928         * tree-loop-linear.c (gather_interchange_stats): Look in the access
2929         matrix, and never look at the tree representation of the memory
2930         accesses.
2931         (linear_transform_loops): Computes parameters and access matrices.
2932         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
2933         when fails.
2934         (access_matrix_get_index_for_parameter): New.
2935         * tree-data-ref.h (struct access_matrix): New.
2936         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
2937         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
2938         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
2939         am_vector_index_for_loop): New.
2940         (struct data_reference): Add field access_matrix.
2941         (DR_ACCESS_MATRIX): New.
2942         (compute_data_dependences_for_loop): Update declaration.
2943         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
2944         * lambda.h (lambda_vector_vec_p): Declared.
2945         * lambda-code.c: Depend on pointer-set.h.
2946         (lambda_collect_parameters_from_af, lambda_collect_parameters,
2947         av_for_af_base, av_for_af, build_access_matrix,
2948         lambda_compute_access_matrices): New.
2949         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
2950
2951 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
2952
2953         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
2954         $SOURCEDIR/include.
2955
2956 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
2957             Sebastian Pop  <sebastian.pop@amd.com>
2958
2959         PR tree-optimization/36206
2960         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
2961         FOLD_CONVERSIONS.
2962         (instantiate_scev_1): Rename flags to fold_conversions.
2963         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
2964         outeside instantiation_loop.
2965         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
2966         (evolution_function_is_affine_or_constant_p): Removed.
2967         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
2968         instantiate_scev.
2969         (analyze_siv_subscript): Pass in the loop nest number.
2970         Call evolution_function_is_affine_in_loop instead of 
2971         evolution_function_is_affine_p.
2972         (analyze_overlapping_iterations): Pass in the loop nest number.
2973
2974 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
2975             Sebastian Pop  <sebastian.pop@amd.com>
2976
2977         PR tree-optimization/36206
2978         * tree-chrec.h (chrec_fold_op): New.
2979         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
2980         and other trees.
2981
2982 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
2983
2984         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
2985         (DIRS_EQ): New.
2986         (remove_duplicates): Do not set inode on non-inode systems.
2987         Use DIRS_EQ.
2988
2989 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
2990
2991         * config.gcc (tm_file): Update comments about relative pathnames.
2992
2993 2008-05-20  Richard Guenther  <rguenther@suse.de>
2994
2995         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
2996         * tree-ssa-sccvn.c (process_scc): Likewise.
2997         * tree-ssa-sink.c (execute_sink_code): Likewise.
2998         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
2999         * tree-vrp.c (process_assert_insertions): Likewise.
3000         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
3001         (perform_tree_ssa_dce): Likewise.
3002         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
3003         (dump_dominator_optimization_stats): Likewise.
3004         * tree-vectorizer.c (vectorize_loops): Likewise.
3005
3006 2008-05-20  Richard Guenther  <rguenther@suse.de>
3007
3008         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
3009
3010 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
3011
3012         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
3013         (ix86_i386elf_return_in_memory): Likewise.
3014         (ix86_i386interix_return_in_memory): Likewise.
3015         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
3016         (SUBTARGET_RETURN_IN_MEMORY): New.
3017         * config/i386/i386elf.h: Likewise.
3018         * config/i386/ptx4-i.h: Likewise.
3019         * config/i386/sol2-10.h: Likewise.
3020         * config/i386/sysv4.h: Likewise.
3021         * config/i386/vx-common.h: Likewise.
3022         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
3023         * config/i386/i386.c (ix86_return_in_memory): Made static and
3024         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
3025         (ix86_i386elf_return_in_memory): Removed.
3026         (ix86_i386interix_return_in_memory): Removed.
3027         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
3028         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
3029
3030 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
3031
3032         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
3033
3034 2008-05-19  Xinliang David Li  <davidxl@google.com>
3035
3036         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18. 
3037         * opts.c: Ditto.
3038         * common.opt: Ditto.
3039         * doc/invoke.texi: Ditto.
3040
3041 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
3042
3043         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
3044         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
3045
3046 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
3047
3048         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
3049         sizes of operand array from 8/4 to 4/2.
3050         (ix86_expand_vector_init_general): Change size of operand array
3051         from 32 to 16.  Remove op0, op1 and half_mode.
3052
3053 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
3054
3055         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
3056         (ix86_expand_vector_init_interleave): Likewise.
3057         (ix86_expand_vector_init_general): Use them.  Assert
3058         word_mode == SImode when n_words == 4.
3059
3060 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
3061
3062         * config/i386/i386.c (ix86_secondary_reload): New static function.
3063         (TARGET_SECONDARY_RELOAD): New define.
3064         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
3065         * config/i386/i386.md (reload_outqi): Remove.
3066
3067 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3068
3069         PR middle-end/35509
3070         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
3071         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
3072         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
3073         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
3074         (fold_builtin_1): Likewise.
3075         * builtins.def (BUILT_IN_ISINF_SIGN): New.
3076         c-common.c (check_builtin_function_arguments): Handle
3077         BUILT_IN_ISINF_SIGN.
3078         * doc/extend.texi: Document __builtin_isinf_sign.
3079         * fold-const.c (operand_equal_p): Handle COND_EXPR.
3080
3081 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
3082
3083         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
3084         EH cleanup at the end of the pass, search for those that have been
3085         turned into forwarder blocks and do the cleanup on their successor.
3086
3087 2008-05-18  Richard Guenther  <rguenther@suse.de>
3088
3089         * tree-cfg.c (verify_gimple_expr): Allow conversions from
3090         pointers to sizetype and vice versa.
3091
3092 2008-05-18 Xinliang David Li   <davidxl@google.com>
3093
3094         * gcc/tree-ssa-dce.c: Coding style fix.
3095         (check_pow): Documentation comment. 
3096         (check_log): Documenation comment. Coding style fix.
3097         (is_unnecessary_except_errno_call): Ditto.
3098         (gen_conditions_for_pow): Ditto.
3099         (gen_conditions_for_log): Ditto.
3100         (gen_shrink_wrap_conditions): Ditto.
3101         (shrink_wrap_one_built_in_calls): Ditto.
3102         * gcc/doc/invoke.texi: Better documentation string.
3103         * ChangeLog: Fix wrong change log entries from 
3104         May 17 checkin on function call DCE.
3105
3106 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
3107
3108         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
3109
3110 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
3111
3112         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
3113         * df-problems.c (simulation routines): Fixed block comment to
3114         properly say how to add forwards scanning functions.
3115         
3116 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
3117
3118         * tree-inline.c (setup_one_parameter): Remove dead code.
3119
3120 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
3121
3122         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
3123         a BIT_AND_EXPR only for an INTEGER_TYPE.
3124
3125 2008-05-17 Xinliang David Li   <davidxl@google.com>
3126
3127         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
3128         (check_pow, check_log, is_unnecessary_except_errno_call): New 
3129         functions to check for eliminating math functions that are pure 
3130         except for setting errno.
3131         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
3132         general condition expressions for shrink-wrapping pow/log calls.
3133         (gen_shrink_wrap_conditions): Ditto.
3134         (shrink_wrap_one_built_in_call): Ditto.
3135         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
3136         (mark_operand_necessary): If debugging, output if OP is necessary.
3137         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
3138         unnecessary.
3139         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
3140         opt level >= 2.
3141         * gcc/common.opt: New user flag -ftree-builtin-dce.
3142         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
3143
3144 2008-05-16  David S. Miller  <davem@davemloft.net>
3145
3146         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
3147         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
3148
3149 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
3150
3151         PR target/36246
3152         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
3153
3154 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
3155
3156         * ifcvt.c (dead_or_predicable): Rename
3157         df_simulate_one_insn_backwards to df_simulate_one_insn.
3158         * recog.c (peephole2_optimize): Ditto.
3159         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
3160         Ditto.
3161         * df.h: Rename df_simulate_one_insn_backwards to
3162         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
3163         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
3164         scanning of defs and uses.
3165         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
3166         (df_simulate_one_insn_forwards): Removed.
3167
3168 2008-05-16  Doug Kwan  <dougkwan@google.com>
3169
3170         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
3171         QNaN & SNaN.
3172         (real_from_string): Handle NaNs and Inf as approriate.
3173
3174 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
3175
3176         * doc/gty.texi (Source Files Containing Type Information): Note
3177         that headers should appear first in the gtfiles list.
3178
3179 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
3180
3181         * tree.def (COND_EXEC): Properly documented this code.
3182
3183 2008-05-16  Diego Novillo  <dnovillo@google.com>
3184
3185         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
3186         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
3187         the new field.
3188
3189 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
3190
3191         * tree-ssa-dse (max_stmt_uid): Removed.
3192         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt, 
3193         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
3194         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
3195         * function.h (cfun.last_stmt_uid): New field.
3196         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
3197         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
3198         New functions.
3199         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
3200         (create_stmt_ann): Initialize the ann->uid field.
3201         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
3202         with new calls.
3203         * tree-flow.h (renumber_gimple_stmt_uids): New function.
3204
3205 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
3206
3207         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
3208         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
3209         (init_empty_tree_cfg): Call it.
3210
3211 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
3212
3213         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
3214         Update all users.
3215
3216 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
3217
3218         * doc/invoke.text (-fdump-tree-*-verbose): New option.
3219         * tree-dump.c (dump_options): New verbose option.
3220         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
3221         Add verbose dump.
3222         * tree-pass.h (TDF_VERBOSE): New dump flag.
3223         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
3224         (tree-flow.h): Added include.
3225         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
3226
3227 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
3228
3229         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
3230
3231         From Jie Zhang  <jie.zhang@analog.com>
3232         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
3233         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
3234         mcpu=bf561-none and mcpu=bf561-0.2.
3235         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
3236         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
3237         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
3238         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
3239         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
3240         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
3241         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
3242         option.
3243         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
3244         (cputype_selected): Remove.
3245         (bfin_handle_option): Don't use cputype_selected.
3246         (override_options): When no mcpu option, enable all workarounds.
3247         Don't use bfin_workarounds.
3248         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
3249         processor type.
3250         (DEFAULT_CPU_TYPE): Don't define.
3251
3252 2008-05-16  Richard Guenther  <rguenther@suse.de>
3253
3254         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
3255         on deletion of the last stmt.
3256
3257 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3258
3259         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
3260         V8HImode for SSE2 and V16QImode for SSE4.1.
3261
3262 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
3263
3264         * cgraph.h (compute_inline_parameters): Made public.
3265         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
3266         variable_generate_summary, function_write_summary,
3267         variable_write_summary, variable_read_summary.  Added generate_summary,
3268         write_summary, read_summary.
3269         * cgraphunit.c (cgraph_process_new_functions): Changed call from
3270         pass_ipa_inline.function_generate_summary, to
3271         compute_inline_parameters. 
3272         * ipa-inline.c (compute_inline_parameters): Made public and added
3273         node parameter.
3274         (compute_inline_parameters_for_current): New function.
3275         (pass_inline_param): Now calls compute_inline_parameters_for_current.
3276         (inline_generate_summary): Removed parameter and made to loop over
3277         all cgraph nodes.
3278         (pass_ipa_inline): Updated for new IPA_PASS structure.
3279         * passes.c (execute_ipa_summary_passes): Now is called once per
3280         pass rather than once per node*pass.
3281         
3282 2008-05-15  Anatoly Sokolov <aesok@post.ru>
3283
3284         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p, 
3285         avr_have_mul_p, avr_asm_only_p): Remove variables.
3286         (avr_override_options): Remove initialization of removed variables.
3287         (avr_file_start):  Convert removed variables to fields of 
3288         'struct base_arch_s *avr_current_arch'. 
3289         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
3290         (AVR_HAVE_MUL): (Ditto.).
3291         (AVR_HAVE_MOVW): (Ditto.).
3292         (AVR_HAVE_LPMX): (Ditto.). 
3293         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p, 
3294         avr_asm_only_p): Remove declaration.
3295
3296 2008-05-15  Diego Novillo  <dnovillo@google.com>
3297
3298         * config/arm/arm.c (arm_return_in_memory): Fix return type.
3299         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
3300
3301 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
3302
3303         PR middle-end/36194
3304         * combine.c (check_conversion): Rename back to check_promoted_subreg.
3305         Don't call record_truncated_value from here.
3306         (record_truncated_value): Turn it into a for_each_rtx callback.
3307         (record_truncated_values): New function.
3308         (combine_instructions): Call note_uses with record_truncated_values.
3309         Change name of check_conversion to check_promoted_subreg. 
3310
3311 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
3312
3313         * doc/sourcebuild.texi: Document support for torture tests.
3314
3315 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
3316
3317         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
3318         to alternative 4 of operand 2.
3319
3320 2008-05-15  Richard Guenther  <rguenther@suse.de>
3321
3322         * tree-pass.h (current_pass): Declare.
3323         (get_pass_for_id): Likewise.
3324         * passes.c (passes_by_id, passes_by_id_size): New globals.
3325         (set_pass_for_id): New function.
3326         (get_pass_for_id): Likewise.
3327         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
3328         (execute_function_todo): Flush per function statistics.
3329         * toplev.c (compile_file): Init statistics.
3330         (general_init): Do early statistics initialization.
3331         (finalize): Finish statistics.
3332         * statistics.h (statistics_early_init): Declare.
3333         (statistics_init): Likewise.
3334         (statistics_fini): Likewise.
3335         (statistics_fini_pass): Likewise.
3336         (statistics_counter_event): Likewise.
3337         (statistics_histogram_event): Likewise.
3338         * statistics.c: New file.
3339         * Makefile.in (OBJS-common): Add statistics.o.
3340         (statistics.o): Add dependencies.
3341         * doc/invoke.texi (-fdump-statistics): Document.
3342
3343         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
3344         (insert): Likewise.
3345         (execute_pre): Use statistics_counter_event.
3346         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
3347         (substitute_and_fold): Increment it.  Use statistics_counter_event.
3348
3349 2008-05-15  Diego Novillo  <dnovillo@google.com>
3350
3351         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
3352
3353         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
3354         * tree-ssa-alias.c (new_type_alias): Remove references to
3355         sub-variables from comment.
3356         * tree-ssa-operands.c (swap_tree_operands): Likewise.
3357
3358 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3359
3360         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
3361         attribute to 1 only for insertps alternative.
3362
3363 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
3364
3365         * config/bfin/bfin.md (loadbytes): New pattern.
3366         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
3367         (bfin_init_builtins): Initialize it.
3368         (bdesc_1arg): Add it.
3369
3370 2008-05-15  Sa Liu  <saliu@de.ibm.com>
3371
3372         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
3373         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
3374         * testsuite/lib/target-supports.exp: Add
3375         check_effective_target_fortran_integer_16.
3376
3377 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
3378
3379         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
3380         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
3381         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
3382         (TARGET_RETURN_IN_MEMORY): Define.
3383
3384 2008-05-15  Richard Guenther  <rguenther@suse.de>
3385
3386         PR middle-end/36244
3387         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
3388         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
3389         represent unmodifiable vars.
3390
3391 2008-05-15  Richard Guenther  <rguenther@suse.de>
3392
3393         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
3394         INDIRECT_REF and TARGET_MEM_REF.
3395         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3396         TARGET_MEM_REF.
3397
3398 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
3399             H.J. Lu  <hongjiu.lu@intel.com>
3400
3401         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
3402         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
3403         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
3404         insn alternatives.  Add missing alternatives.
3405         (*vec_concatv2di_rex64_sse4_1): Likewise.
3406         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
3407         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
3408         Require TARGET_SSE.
3409
3410 2008-05-15  Richard Guenther  <rguenther@suse.de>
3411
3412         PR tree-optimization/36009
3413         PR tree-optimization/36204
3414         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
3415         (determine_invariantness_stmt): Record the loop a store is
3416         always executed in.
3417         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
3418         dependency.
3419
3420 2008-05-15  Richard Guenther  <rguenther@suse.de>
3421
3422         PR tree-optimization/34330
3423         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
3424         through the pointer will alias the SMT.
3425
3426 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
3427
3428         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
3429
3430 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
3431
3432         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
3433
3434 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
3435             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3436
3437         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
3438         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
3439         (vashl_optab): New optab for vector/vector shifts.
3440         (vashr_optab): Ditto.
3441         (vlshr_optab): Ditto.
3442         (vrotl_optab): Ditto.
3443         (vrotr_optab): Ditto.
3444         (optab_subtype): New enum for optab_for_tree_code call.
3445         (optab_for_tree_code): Add enum optab_subtype argument.
3446
3447         * optabs.c (optab_for_tree_code): Take an additional argument to
3448         distinguish between a vector shift by a scalar and vector shift by
3449         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
3450         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
3451         vector shift by a vector.
3452         (expand_widen_pattern_expr): Pass additional argument to
3453         optab_for_tree_code.
3454
3455         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
3456         vrotl_optab, vrotr_optab.
3457
3458         * expr.c (expand_expr_real_1): Update calls to
3459         optab_for_tree_code to distinguish between vector shifted by a
3460         scalar and vector shifted by a vector.
3461         * tree-vectorizer.c (supportable_widening_operation): Ditto.
3462         (supportable_narrowing_operation): Ditto.
3463         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
3464         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
3465         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
3466         (vect_create_epilog_for_reduction): Ditto.
3467         (vectorizable_reduction): Ditto.
3468         (vectorizable_operation): Ditto.
3469         (vect_strided_store_supported): Ditto.
3470         (vect_strided_load_supported): Ditto.
3471         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
3472         * expmed.c (expand_shift): Ditto.
3473
3474         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
3475         scalar type.
3476         (ashr@var{m}3): Ditto.
3477         (vashl@var{m}3): Document new vector/vector shift standard name.
3478         (vashr@var{m}3): Ditto.
3479         (vlshr@var{m}3): Ditto.
3480         (vrotl@var{m}3): Ditto.
3481         (vrotr@var{m}3): Ditto.
3482
3483         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
3484         (PPERM_INVERT): Ditto.
3485         (PPERM_REVERSE): Ditto.
3486         (PPERM_REV_INV): Ditto.
3487         (PPERM_ZERO): Ditto.
3488         (PPERM_ONES): Ditto.
3489         (PPERM_SIGN): Ditto.
3490         (PPERM_INV_SIGN): Ditto.
3491         (PPERM_SRC1): Ditto.
3492         (PPERM_SRC2): Ditto.
3493
3494         * config/i386/sse.md (mulv2di3): Add SSE5 support.
3495         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
3496         allows a memory operand to be the value being added, and split it
3497         to improve vectorization.
3498         (sse5_pmacsdqh_mem): Ditto.
3499         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
3500         (sse5_mulv2div2di3_high): Ditto.
3501         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
3502         (vec_pack_trunc_v4si): Ditto.
3503         (vec_pack_trunc_v2di): Ditto.
3504         (sse5_pcmov_<mode>): Remove code that tried to use use
3505         andps/andnps instead of pcmov.
3506         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
3507         pmacsdqh instructions.
3508         (vec_widen_smult_lo_v4si): Ditto.
3509
3510         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
3511         (PPERM_INVERT): Ditto.
3512         (PPERM_REVERSE): Ditto.
3513         (PPERM_REV_INV): Ditto.
3514         (PPERM_ZERO): Ditto.
3515         (PPERM_ONES): Ditto.
3516         (PPERM_SIGN): Ditto.
3517         (PPERM_INV_SIGN): Ditto.
3518         (PPERM_SRC1): Ditto.
3519         (PPERM_SRC2): Ditto.
3520         (ix86_expand_sse_movcc): Move the SSE5 test after the if
3521         true/false tests.
3522         (ix86_expand_int_vcond): If SSE5 generate all possible integer
3523         comparisons.
3524         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
3525         says ignore whether the last reference is a memory operand.
3526
3527 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
3528             Paolo Bonzini <bonzini at gnu dot org>
3529
3530         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
3531         shift patterns.
3532
3533         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
3534         (vlshr<mode>3): Rename from vlshr<mode>3.
3535         (vashr<mode>3): Rename from vashr<mode>3.
3536         (mulv4sf3): Change the names of vector shift patterns.
3537         (mulv4si3): Ditto.
3538         (negv4sf2): Ditt.
3539
3540         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
3541         shift insns.
3542
3543         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
3544         (SI_SHLHI): Ditto.
3545         (SI_SHL): Ditto.
3546         (SI_SHLI): Ditto.
3547         (SI_ROTH): Ditto.
3548         (SI_ROTHI): Ditto.
3549         (SI_ROT): Ditto.
3550         (SI_ROTI): Ditto.
3551         (SPU_RL_0): Ditto.
3552         (SPU_RL_1): Ditto.
3553         (SPU_RL_2): Ditto.
3554         (SPU_RL_3): Ditto.
3555         (SPU_RL_4): Ditto.
3556         (SPU_RL_5): Ditto.
3557         (SPU_RL_6): Ditto.
3558         (SPU_RL_7): Ditto.
3559         (SPU_SL_0): Ditto.
3560         (SPU_SL_1): Ditto.
3561         (SPU_SL_2): Ditto.
3562         (SPU_SL_3): Ditto.
3563         (SPU_SL_4): Ditto.
3564         (SPU_SL_5): Ditto.
3565         (SPU_SL_6): Ditto.
3566         (SPU_SL_7): Ditto.
3567
3568         * config/spu/spu.md (v): New iterator macro to add v for vector types.
3569         (floatunssidf2_internal): Change vector/vector shift names.
3570         (floatunsdidf2_internal): Ditto.
3571         (mulv8hi3): Ditto.
3572         (ashrdi3): Ditto.
3573         (ashrti3): Ditto.
3574         (cgt_df): Ditto.
3575         (cgt_v2df): Ditto.
3576         (dftsv): Ditto.
3577         (vashl<mode>3): Rename from ashl<mode>3.
3578         (vashr<mode>3): Rename from ashr<mode>3.
3579         (vlshr<mode>3): Rename from lshr<mode>3.
3580         (vrotl<mode>3): Rename from rotl<mode>3.
3581
3582 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
3583
3584         PR target/36224
3585         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
3586         multiply gives the wrong value when doing widening multiplies.
3587         (vec_widen_smult_lo_v4si): Ditto.
3588
3589 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
3590
3591         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
3592         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
3593         emit_library_call_value. 
3594         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
3595         * tree.h (ECF_LIBCALL_BLOCK): Removed.
3596         * calls.c (initialize_argument_information, precompute_arguments, 
3597         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
3598         (precompute_arguments): Removed flags parameter.
3599         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
3600         
3601 2008-05-14  Richard Guenther  <rguenther@suse.de>
3602
3603         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
3604         Make sure to register the store if the use is a PHI_NODE.
3605
3606 2008-05-14  Olivier Hainque  <hainque@adacore.com>
3607
3608         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
3609         memory if the component is to be referenced in BLKmode according
3610         to get_inner_reference.
3611
3612 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
3613
3614         * calls.c (emit_library_call_value_1): Restore code clearing
3615         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
3616
3617 2008-05-14  Olivier Hainque  <hainque@adacore.com>
3618             Nicolas Roche  <roche@adacore.com>
3619
3620         * configure.ac: Add support for a "gcc_subdir" variable in
3621         config-lang.in, to denote a subdirectory where the language/GCC
3622         integration files are to be found.
3623         * configure: Regenerate.
3624
3625 2008-05-14  Ira Rosen  <irar@il.ibm.com>
3626
3627         PR tree-optimization/36098
3628         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
3629         value for the first load in the group in case of a gap.
3630         (vect_build_slp_tree): Check that there are no gaps in loads.
3631
3632 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
3633
3634         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
3635         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
3636         expand_copysign_bit, ): Change call to emit_no_conflict_block to
3637         emit_insn and remove unneeded code to construct extra args.
3638         (emit_no_conflict_block): Removed.
3639         * optabls.h: (emit_no_conflict_block): Removed.
3640         * cse.c (cse_extended_basic_block): Remove search for
3641         REG_NO_CONFLICT note.
3642         * global.c: Removed incorrect comment added in revision 117.
3643         * expr.c (convert_move): Change call to emit_no_conflict_block to
3644         emit_insn.
3645         * recog.c: Change comments so that they do not mention
3646         REG_NO_CONFLICT.
3647         * local_alloc.c (combine_regs): Removed last parameter.
3648         (no_conflict_p): Removed.
3649         (block_alloc): Removed note, no_conflict_combined_regno and set
3650         local vars. Removed all code to process REG_NO_CONFLICT blocks.
3651         (combine_regs): Removed already_dead and code to look for
3652         REG_NO_CONFLICT notes.
3653         * lower_subreg (remove_retval_note): Removed code to look for
3654         REG_NO_CONFLICT block.
3655         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
3656         (resolve_clobber): Remove code to process libcalls that have
3657         REG_NO_CONFLICT notes.
3658         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
3659         case.
3660         * combine.c (can_combine_p, distribute_notes):  Removed
3661         REG_NO_CONFLICT case.
3662         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
3663         to emit_insns.
3664         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
3665         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
3666         Ditto.
3667         * reg-notes.def (NO_CONFLICT): Removed.
3668
3669 2008-05-14  David S. Miller  <davem@davemloft.net>
3670
3671         * config/sparc/sparc.c (sparc_profile_hook): If
3672         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
3673         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
3674         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
3675
3676 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
3677
3678         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
3679
3680 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
3681
3682         PR target/36222
3683         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
3684         and op1 expansion before vector concat to have less live pseudos.
3685
3686 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
3687
3688         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
3689         ix86_expand_vector_set if supported.
3690
3691 2008-05-13  Diego Novillo  <dnovillo@google.com>
3692             Kenneth Zadeck  <zadeck@naturalbridge.com>
3693
3694         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
3695
3696         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
3697         phinodes_print_statistics, init_ssanames, fini_ssanames,
3698         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
3699         release_ssa_name, release_defs, replace_ssa_name_symbol,
3700         ssanames_print_statistics): Move ...
3701         * tree-flow.h: ... here.
3702         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
3703         Use FN instead of cfun.
3704         (make_ssa_name_fn): Rename from make_ssa_name.
3705         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
3706         * tree-flow-inline.h (make_ssa_name): Move from
3707         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
3708         * omp-low.c (expand_omp_parallel):
3709         * tree-flow-inline.h (redirect_edge_var_map_result):
3710         * tree-ssa.c (init_tree_ssa): Add argument FN.
3711         Use it instead of cfun.  Update all users.
3712
3713 2008-05-13  Tom Tromey  <tromey@redhat.com>
3714
3715         PR preprocessor/22168:
3716         * doc/cpp.texi (Top): Update menu.
3717         (Alternatives to Wrapper #ifndef): New node.
3718         (Other Directives): Document deprecation.
3719         (Obsolete Features): Remove menu.
3720         (Assertions): Merge node into Obsolete Features.
3721         (Obsolete once-only headers): Move earlier; rename to Alternatives
3722         to Wrapper #ifndef.
3723         * doc/cppopts.texi: Update.
3724         * c.opt (Wdeprecated): Enable for C and ObjC.
3725         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
3726         (C++ Dialect Options): Move -Wno-deprecated from here to...
3727         (Warning Options): ... here.
3728
3729 2008-05-13  Richard Guenther  <rguenther@suse.de>
3730
3731         PR middle-end/36227
3732         * fold-const.c (fold_sign_changed_comparison): Do not allow
3733         changes in pointer-ness.
3734
3735 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
3736
3737         PR target/24713
3738         * config/sh/sh.c (sh_expand_prologue): Don't clear
3739         RTX_FRAME_RELATED_P for push insns.
3740
3741 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
3742
3743         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
3744
3745 2008-05-12  Anatoly Sokolov <aesok@post.ru>
3746
3747         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
3748         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
3749         Use 'machine->is_leaf' instead of 'leaf_func_p'.
3750
3751 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
3752
3753         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
3754         (*vec_concatv4sf_sse): This.
3755         (*sse2_concatv2si): Renamed to ...
3756         (*vec_concatv2si_sse2): This.
3757         (*sse1_concatv2si): Renamed to ...
3758         (*vec_concatv2si_sse): This.
3759         (*vec_concatv2di_rex): Renamed to ...
3760         (*vec_concatv2di_rex64): This.
3761         (*vec_concatv2si_sse4_1): New.
3762         (*vec_concatv2di_rex64_sse4_1): Likewise.
3763
3764 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
3765
3766         PR rtl-optimization/36111
3767         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
3768         that was created for swappable operands.
3769
3770 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
3771
3772         PR ada/36001
3773         * Makefile.in: Substitute GNATMAKE and GNATBIND.
3774         * configure.ac: Add call to ACX_PROG_GNAT.
3775
3776 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
3777
3778         * optc-gen.awk: Fix comment typo.
3779
3780 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
3781
3782         * pretty-print.c (pp_integer_with_precision): Use
3783         HOST_LONG_LONG_FORMAT.
3784
3785 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
3786
3787         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
3788                 
3789 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
3790
3791         * config/i386/i386.c (bdesc_ptest): Removed.
3792         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
3793         (bdesc_args): Add __builtin_ia32_ptestz128,
3794         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
3795         (ix86_init_mmx_sse_builtins): Updated.
3796         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
3797         (ix86_expand_builtin): Updated.
3798
3799 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
3800
3801         * tree-cfg.c (valid_fixed_convert_types_p): New function.
3802         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
3803
3804 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
3805
3806         * value-prof.c (interesting_stringop_to_profile): Do not
3807         return early for BUILT_IN_MEMPCPY.
3808
3809 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
3810
3811         * calls.c (expand_call): Don't use callgraph to increase
3812         preferred_stack_boundary.
3813
3814         * cgraph.h (cgraph_rtl_info): Use unsigned on
3815         preferred_incoming_stack_boundary.
3816
3817         * final.c (rest_of_clean_state): Use unsigned on
3818         preferred_stack_boundary.
3819
3820 2008-05-09  Tom Tromey  <tromey@redhat.com>
3821
3822         PR preprocessor/22231:
3823         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
3824         proceeding.
3825
3826 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
3827
3828         PR tree-optimization/36129
3829         * tree-ssa-ccp.c: Include value-prof.h.
3830         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
3831         built-in function was folded to a constant.
3832         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
3833
3834 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
3835             Sebastian Pop  <sebastian.pop@amd.com>
3836
3837         * tree-scalar-evolution.c: Document instantiate_scev.
3838         (instantiate_parameters_1): Renamed instantiate_scev_1.
3839         Don't use the same loop for instantiation_loop and evolution_loop.
3840         (instantiate_scev): New.
3841         (instantiate_parameters): Moved...
3842         (resolve_mixers): Update call to instantiate_scev_1 to pass the
3843         same loop twice.  Maintains the semantics for this function.
3844         * tree-scalar-evolution.h (instantiate_scev): Declare.
3845         (instantiate_parameters): ...here.  Now static inline.
3846         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
3847         instead of resolve_mixers.
3848
3849 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
3850
3851         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
3852
3853 2008-05-09  Tomas Bily  <tbily@suse.cz>
3854
3855         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
3856         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
3857         * tree-ssa-structalias.c (get_constraint_for): Likewise.
3858         * c-common.c (c_common_truthvalue_conversion): Likewise.
3859         * tree-object-size.c (compute_object_offset): Likewise.
3860         * tree-inline.c (estimate_num_insns_1): Likewise.
3861         * varasm.c (const_hash_1, compare_constant, copy_constant)
3862         (compute_reloc_for_constant, output_addressed_constants)
3863         (initializer_constant_valid_p): Likewise.
3864         * c-omp.c (check_omp_for_incr_expr): Likewise.
3865         * gimplify.c (gimplify_expr): Likewise.
3866         * c-typeck.c (c_finish_return): Likewise.
3867         * tree-vectorizer.c (supportable_widening_operation)
3868         (supportable_narrowing_operation): Likewise.
3869         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
3870         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
3871         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
3872         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
3873         (descr_info_loc): Likewise.
3874         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
3875         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
3876         (fold_unary): Likewise.
3877         * builtins.c (get_pointer_alignment): Likewise.
3878         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
3879         (instantiate_parameters_1): Likewise.
3880         * tree.c (expr_align, stabilize_reference): Likewise.
3881         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3882         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
3883         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
3884         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
3885         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
3886         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
3887         Likewise.
3888         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
3889         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
3890         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
3891         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
3892         (forward_propagate_comparison)
3893         (tree_ssa_forward_propagate_single_use_vars): Likewise.
3894         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
3895         * emit-rtl.c (component_ref_for_mem_expr)
3896         (set_mem_attributes_minus_bitpos): Likewise.
3897         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
3898         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
3899         Likewise.
3900         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
3901         (build_function_call, pointer_diff, build_compound_expr)
3902         (c_finish_return): Likewise.
3903         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
3904         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
3905         Likewise.
3906         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
3907         * expr.c (is_aligning_offset): Likewise.
3908         * tree-ssa-alias.c (is_escape_site): Likewise.
3909         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
3910         (check_all_va_list_escapes): Likewise.
3911         * tree-ssa-loop-ivopts.c (determine_base_object)
3912         (determine_common_wider_type): Likewise.
3913         * dojump.c (do_jump): Likewise.
3914         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
3915         * tree-gimple.c (is_gimple_cast): Likewise.
3916         * fold-const.c (decode_field_reference, )
3917         (fold_sign_changed_comparison, fold_unary, fold_comparison)
3918         (fold_binary): Likewise.
3919         * tree-ssa-alias-warnings.c (find_alias_site_helper)
3920         (already_warned_in_frontend_p): Likewise.
3921         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
3922         * tree.c (really_constant_p, get_unwidened): Likewise.
3923         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
3924         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
3925         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
3926         Likewise.
3927         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
3928         CONVERT_EXPR_P.
3929         (CONVERT_EXPR_P): Define.
3930         (CASE_CONVERT): Define.
3931         
3932 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
3933
3934         PR middle-end/36117
3935         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
3936         (delete_unmarked_insns): When deleting a call, call
3937         delete_unreachable_blocks.
3938         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
3939         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
3940
3941 2008-05-08  Richard Guenther  <rguenther@suse.de>
3942
3943         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
3944         (-ftree-salias): Likewise.
3945         (salias-max-implicit-fields): Remove param documentation.
3946         (salias-max-array-elements): Likewise.
3947         * tree-pass.h (pass_create_structure_vars): Remove.
3948         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
3949         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
3950         * tree-ssa-alias.c (create_structure_vars): Remove.
3951         (gate_structure_vars): Likewise.
3952         (pass_create_structure_vars): Likewise.
3953         (gate_build_alias): Likewise.
3954         (pass_build_alias): Adjust to run always and dump the function.
3955         * common.opt (ftree-salias): Hide.
3956         * passes.c (init_optimization_passes): Remove
3957         pass_create_structure_vars, adjust comment.
3958         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
3959         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
3960         * opts.c (decode_options): Do not set flag_tree_salias.
3961         (common_handle_option): Add OPT_ftree_salias to the backward
3962         compatibility section.
3963
3964 2008-05-08  Richard Guenther  <rguenther@suse.de>
3965
3966         * tree-flow-inline.h (var_can_have_subvars): Move ...
3967         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
3968         * tree-flow.h (var_can_have_subvars): Remove.
3969         (push_fields_onto_fieldstack): Remove.
3970         (sort_fieldstack): Likewise.
3971         (struct fieldoff): Move ...
3972         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
3973         alias_set and base_for_components fields.
3974         (sort_fieldstack): Make static.
3975         (push_fields_onto_fieldstack): Likewise.  Remove code that
3976         handles anything but RECORD_TYPEs.  Remove alias_set and
3977         base_for_components handling.
3978         (create_variable_info_for): Adjust.
3979
3980 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
3981
3982         * common.opt (Wframe-larger-than=): Shorten the help message
3983         to one line.
3984         * doc/invoke.texi (Wframe-larger-than=): Add more description.
3985
3986 2008-05-08  Rafael Espindola  <espindola@google.com>
3987
3988         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
3989         trap.
3990         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
3991         trap and that both operands are gimple values.
3992         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
3993         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
3994         is a fp operation.
3995
3996 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
3997
3998         * read-rtl.c (join_c_conditions): Return the first string if the
3999         two strings are equal.
4000
4001 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
4002
4003         * gensupport.h (pred_data): Add a "num_codes" field.
4004         (add_predicate_code): Declare.
4005         * gensupport.c (add_predicate_code): New function.
4006         (std_pred_table): Add an "allows_const_p" field.
4007         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
4008         Remove the (incomplete) list of such codes from the codes field.
4009         (init_predicate_table): Use add_predicate_code.  Add all
4010         RTX_CONST_OBJs if allows_const_p is true.
4011         * genrecog.c (process_define_predicate): Use add_predicate_code.
4012
4013 2008-05-08  David Daney  <ddaney@avtrex.com>
4014             Richard Sandiford  <rsandifo@nildram.co.uk>
4015         
4016         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
4017         special case of constant zero operands.
4018         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
4019         old and new values.  Special case constant zero values.
4020         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
4021         fails.
4022         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
4023         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
4024
4025 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
4026
4027         PR target/36090
4028         * simplify-rtx.c (simplify_plus_minus): Create CONST of
4029         similar RTX_CONST_OBJ before CONST_INT.
4030
4031 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
4032
4033         * stmt.c (expand_stack_restore): Change sa mode if needed.
4034
4035 2008-05-08  Richard Guenther  <rguenther@suse.de>
4036
4037         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
4038         return type to bool.
4039         (ix86_sol10_return_in_memory): Likewise.
4040         (ix86_i386elf_return_in_memory): Likewise.
4041         (ix86_i386interix_return_in_memory): Likewise.
4042         * config/i386/i386.c (ix86_return_in_memory): Likewise.
4043         (ix86_sol10_return_in_memory): Likewise.
4044         (ix86_i386elf_return_in_memory): Likewise.
4045         (ix86_i386interix_return_in_memory): Likewise.
4046
4047 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
4048
4049         PR bootstrap/36180
4050         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
4051         fndecl argument.
4052         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
4053         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
4054         declared in front.
4055
4056 2008-05-08  Richard Guenther  <rguenther@suse.de>
4057
4058         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
4059         * tree-data-ref.h (struct dr_alias): Remove subvars field.
4060         (DR_SUBVARS): Remove.
4061         * tree-dfa.c (dump_subvars_for): Remove.
4062         (debug_subvars_for): Likewise.
4063         (dump_variable): Do not dump subvars.
4064         (remove_referenced_var): Do not remove subvars.
4065         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
4066         (lookup_subvars_for_var): Remove.
4067         (get_subvars_for_var): Likewise.
4068         (get_subvars_at): Likewise.
4069         (get_first_overlapping_subvar): Likewise.
4070         (overlap_subvar): Likewise.
4071         * tree-flow.h (subvar_t): Remove.
4072         (struct var_ann_d): Remove subvars field.
4073         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
4074         argument.  Remove special handling of SFTs.
4075         (compute_tag_properties): Likewise.
4076         (set_initial_properties): Likewise.
4077         (compute_call_clobbered): Likewise.
4078         (count_mem_refs): Likewise.
4079         (compute_memory_partitions): Likewise.
4080         (compute_flow_insensitive_aliasing): Likewise.
4081         (setup_pointers_and_addressables): Likewise.
4082         (new_type_alias): Likewise.
4083         (struct used_part): Remove.
4084         (used_portions): Likewise.
4085         (struct used_part_map): Likewise.
4086         (used_part_map_eq): Likewise.
4087         (used_part_map_hash): Likewise.
4088         (free_used_part_map): Likewise.
4089         (up_lookup): Likewise.
4090         (up_insert): Likewise.
4091         (get_or_create_used_part_for): Likewise.
4092         (create_sft): Likewise.
4093         (create_overlap_variables_for): Likewise.
4094         (find_used_portions): Likewise.
4095         (create_structure_vars): Likewise.
4096         * tree.def (STRUCT_FIELD_TAG): Remove.
4097         * tree.h (MTAG_P): Adjust.
4098         (struct tree_memory_tag): Remove base_for_components and
4099         unpartitionable flags.
4100         (struct tree_struct_field_tag): Remove.
4101         (SFT_PARENT_VAR): Likewise.
4102         (SFT_OFFSET): Likewise.
4103         (SFT_SIZE): Likewise.
4104         (SFT_NONADDRESSABLE_P): Likewise.
4105         (SFT_ALIAS_SET): Likewise.
4106         (SFT_UNPARTITIONABLE_P): Likewise.
4107         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
4108         (union tree_node): Remove sft field.
4109         * alias.c (get_alias_set): Remove special handling of SFTs.
4110         * print-tree.c (print_node): Remove handling of SFTs.
4111         * tree-dump.c (dequeue_and_dump): Likewise.
4112         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
4113         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
4114         * tree-predcom.c (set_alias_info): Do not set subvars.
4115         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
4116         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
4117         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
4118         (add_vars_for_offset): Remove.
4119         (add_virtual_operand): Remove special handling of SFTs.
4120         (add_call_clobber_ops): Likewise.
4121         (add_call_read_ops): Likewise.
4122         (get_asm_expr_operands): Likewise.
4123         (get_modify_stmt_operands): Likewise.
4124         (get_expr_operands): Likewise.
4125         (add_to_addressable_set): Likewise.
4126         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
4127         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
4128         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
4129         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
4130         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
4131         (tree_node_structure): Likewise.
4132         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
4133         handling of SFTs.
4134         (find_what_p_points_to): Likewise.
4135
4136 2008-05-08  Sa Liu  <saliu@de.ibm.com>
4137
4138         * config/spu/spu.md: Fixed subti3 pattern.
4139
4140 2008-05-08  Richard Guenther  <rguenther@suse.de>
4141
4142         PR middle-end/36154
4143         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
4144         sure to create a representative for trailing arrays for PTA.
4145
4146 2008-05-08  Richard Guenther  <rguenther@suse.de>
4147
4148         PR middle-end/36172
4149         * fold-const.c (operand_equal_p): Two objects which types
4150         differ in pointerness are not equal.
4151
4152 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
4153
4154         * calls.c (compute_argument_block_size): Add argument tree fndecl.
4155         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
4156         (emit_library_call_value_1): Add new variable fndecl initialized by
4157         NULL_TREE. It should be the decl type of orgfun, but this information
4158         seems not to be available here, so it uses the default calling abi.
4159         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
4160         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
4161         by TARGET_RETURN_IN_MEMORY.
4162         * config/i386/i386-interix.h: Likewise.
4163         * config/i386/i386.h: Likewise.
4164         * config/i386/i386elf.h: Likewise.
4165         * config/i386/ptx4-i.h: Likewise.
4166         * config/i386/sol2-10.h: Likewise.
4167         * config/i386/sysv4.h: Likewise.
4168         * config/i386/vx-common.h: Likewise.
4169         * config/cris/cris.h: Removed #if 0 clause.
4170         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
4171         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
4172         argument.
4173         (ix86_sol10_return_in_memory): Likewise.
4174         (ix86_i386elf_return_in_memory): New.
4175         (ix86_i386interix_return_in_memory): New.
4176         * config/mt/mt-protos.h (mt_return_in_memory): New.
4177         * config/mt/mt.c: Likewise.
4178         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
4179         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
4180         * config/bfin/bfin.h: Likewise.
4181         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
4182         argument.
4183         * config/bfin/bfin.c: Likewise.
4184         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
4185         * config/alpha/unicosmk.h: Likewise.
4186         * config/i386/cygming.h: Likewise.
4187         * config/iq2000/iq2000.h: Likewise.
4188         * config/mips/mips.h: Likewise.
4189         * config/mn10300/mn10300.h: Likewise.
4190         * config/rs6000/rs6000.h: Likewise.
4191         * config/score/score.h: Likewise.
4192         * config/spu/spu.h: Likewise.
4193         * config/v850/v850.h: Likewise.
4194         * defaults.h: Likewise.
4195         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
4196         * expr.c (emit_block_move): Adjust use of
4197         OUTGOING_REG_PARM_STACK_SPACE.
4198         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
4199         OUTGOING_REG_PARM_STACK_SPACE.
4200         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
4201
4202 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
4203
4204         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
4205         on OMP_RETURN for OMP_FOR.
4206
4207         PR debug/35896
4208         * dwarf2out.c (dw_expand_expr, common_check): Removed.
4209         (fortran_common): New function.
4210         (gen_variable_die): Call fortran_common instead of common_check,
4211         adjust for it returning tree instead of rtx.  Formatting.
4212
4213 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
4214
4215         PR rtl/7335
4216         PR rtl/33826
4217         * see.c (see_copy_insn): Copy new pure const attributes for new call.
4218         * c-decl.c (merge_decls): Ditto.
4219         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
4220         to RTL_CONST_OR_PURE_CALL_P.
4221         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
4222         Initialized DECL_LOOPING_CONST_PURE.
4223         (process_call_operands): Set tree_side_effects properly.
4224         * tree.h (TREE_READONLY_DECL_P): Removed.
4225         (DECL_IS_PURE): Renamed to DECL_PURE_P.
4226         (DECL_LOOPING_OR_CONST_P): New macro.
4227         (struct tree_function_decl): Added looping_const_or_pure_p.
4228         (ECF_*) Renumbered.
4229         (ECF_LOOPING_OR_CONST_P): New macro.
4230         * rtlanal.c (pure_const_p): Removed.
4231         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
4232         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
4233         to RTL_CONST_CALL_P.
4234         * ipa-pure-const.c (pure_const_state_e): Added looping field.
4235         (check_decl, check_tree, check_call, scan_function): Initialize
4236         looping.
4237         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
4238         (static_execute): Set looping true for recursive functions.
4239         Undo setting state to IPA_NEITHER for recursive functions.
4240         * cse.c (cse_insn): 
4241         * ifcvt.c (noce_can_store_speculate_p): Changed
4242         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or 
4243         RTL_CONST_OR_PURE_CALL_P.
4244         * dse.c (scan_insn): Ditto.
4245         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
4246         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
4247         RTL_CONST_OR_PURE_CALL_P.
4248         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
4249         pure_call_p to RTL_CONST_CALL_P.
4250         * gimplify.c (gimplify_call_expr): Clear side effects for
4251         non-looping pure and constant calls.
4252         * calls.c (emit_call_1): Set rtl flags from ecf flags.
4253         (flags_from_decl_or_type): Set ecf flags from decl flags.
4254         (initialize_argument_information): Turn off
4255         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
4256         Change const to pure if callee_copies is true rather than just
4257         turning off const.
4258         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
4259         way of marking pure calls.
4260         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
4261         Remove hack that was supposed to fix pr7335 and remove old
4262         way of marking pure calls.
4263         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
4264         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
4265         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
4266         RTL_CONST_OR_PURE_CALL_P.
4267         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
4268         * loop-invariant.c (find_exits, find_invariant_bb): Changed
4269         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
4270         * sched-deps.c (schedule_analyze): Ditto.
4271         * rtl.h (struct rtx_def): Use call field, unchanging field, and
4272         return_val field of calls to represent pure and const function info.
4273         (CONST_OR_PURE_CALL_P): Deleted macro.
4274         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
4275         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
4276         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
4277         TREE_READONLY.
4278         * tree-optimize.c (execute_fixup_cfg): Added test for
4279         ECF_LOOPING_CONST_OR_PURE.
4280         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
4281         DECL_PURE_P.
4282         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
4283         effects for looping pure or const calls.
4284         (verify_gimple_expr): Added verification code. 
4285         * config/alpha/alpha.c (alpha_legitimize_address,
4286         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
4287         RTL_CONST_CALL_P.
4288         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
4289         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
4290         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
4291         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
4292         RTL_CONST_OR_PURE_CALL_P.
4293         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
4294         and const calls to be deleted.
4295
4296 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
4297
4298         PR target/35714
4299         * config/i386/mmx.md (mmx_subv2sf3): New expander.
4300         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
4301         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
4302         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
4303         to handle nonimmediate operands.
4304         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
4305         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
4306         to handle nonimmediate operands.
4307         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
4308         (mmx_pmulhrwv4hi3): New expander.  Use
4309         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4310         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
4311         (sse2_umulv1siv1di3): New expander.  Use
4312         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4313         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
4314         (mmx_eq<mode>3): New expander.  Use
4315         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4316         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
4317         (mmx_uavgv8qi3): New expander.  Use
4318         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4319         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
4320         (mmx_uavgv4hi3): New expander.  Use
4321         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4322
4323         * config/i386/sse.md
4324         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
4325         to handle nonimmediate operands.
4326         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
4327         to handle nonimmediate operands.
4328         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
4329         to handle nonimmediate operands.
4330         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
4331         to handle nonimmediate operands.
4332         (sse2_unpckhpd_exp): New expander.  Use
4333         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4334         (sse2_unpcklpd_exp): New expander.  Use
4335         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4336         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
4337         to handle nonimmediate operands.
4338         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
4339         to handle nonimmediate operands.
4340         (*sse2_<plusminus_insn><mode>3): Rename from
4341         sse2_<plusminus_insn><mode>3 insn pattern.
4342         (sse2_<plusminus_insn><mode>3): New expander.  Use
4343         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4344         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
4345         (sse2_umulv2siv2di3): New expander.  Use
4346         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4347         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
4348         (sse4_1_mulv2siv2di3): New expander.  Use
4349         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4350         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
4351         (sse2_pmaddwd): New expander.  Use
4352         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4353         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
4354         (sse2_eq<mode>3): New expander.  Use
4355         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4356         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
4357         (sse4_1_eqv2di3): New expander.  Use
4358         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4359         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
4360         (sse2_uavgv16qi3): New expander.  Use
4361         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4362         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
4363         (sse2_uavgv16qi3): New expander.  Use
4364         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4365         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
4366         (sse2_uavgv8hi3): New expander.  Use
4367         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4368         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
4369         (ssse3_pmulhrswv8hi3): New expander.  Use
4370         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4371         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
4372         (ssse3_pmulhrswv4hi3): New expander.  Use
4373         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4374
4375         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
4376         (<sse>_vmmul<mode>3): Ditto.
4377         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
4378         (divv2df3): Ditto.
4379         (ssse3_pmaddubsw128): Use register_operand for operand 1.
4380         (ssse3_pmaddubsw): Ditto.
4381
4382         * config/i386/i386.c (struct_builtin_description)
4383         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
4384         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
4385         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
4386         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
4387         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
4388         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
4389         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
4390         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
4391         (ix86_fixup_binary_operands): Assert that src1
4392         and src2 must have the same mode when swapped.
4393         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
4394         and ix86_binary_operator_ok.  Do not force operands in registers
4395         when optimizing.
4396
4397 2008-05-07  Jan Hubicka  <jh@suse.cz>
4398
4399         * cgraph.c (dump_cgraph_node): Update.
4400         * cgraph.h (cgraph_local_info): Break out inline summary.
4401         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
4402         hook.
4403         * ipa-inline (inline_summary): New accestor function.
4404         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
4405         cgraph_decide_inlining, compute_inline_parameters): Update.
4406         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
4407
4408 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
4409
4410         Cleanup ColdFire scheduling support and add V4 pipeline model.
4411
4412         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
4413         (define_attr cpu): Add cfv4 value.
4414         (define_attr type, define_attr type1): Merge into a single 'type'
4415         attribute.  Update all uses.
4416         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
4417         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
4418         Update all uses.
4419         (define_attr opx_mem, define_attr opy_mem): Remove.
4420         (define_attr op_mem): Clean up, update comment.
4421         (define_attr size): Use specific values instead of general int.
4422         (define_attr guess, define_attr split): Remove.  Update all uses.
4423         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
4424         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
4425         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
4426         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
4427         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
4428         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
4429         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
4430         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
4431         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
4432         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
4433         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
4434         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
4435         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
4436         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
4437         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
4438         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
4439         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
4440         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
4441         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
4442         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
4443         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
4444         Update or set attributes.
4445         (stack_tie): New fake instruction.
4446
4447         * config/m68k/m68k.h (TUNE_CFV4): New macro.
4448         (m68k_sched_attr_size): Update declaration.
4449         (m68k_sched_attr_type2): Remove.
4450         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
4451         Declare new bypass predicates.
4452
4453         * config/m68k/m68k.c (m68k_sched_issue_rate,
4454         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
4455         implementations.
4456         (TARGET_SCHED_ISSUE_RATE,
4457         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
4458         (override_options): Handle scheduling for ColdFire V4 core.
4459         (m68k_expand_prologue): Emit stack_tie.
4460         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
4461         'OP_TYPE_FPN'.  Update all uses.
4462         (sched_guess_p): Remove.
4463         (sched_address_type): Handle symbolic addresses.
4464         (sched_get_operand): New static function.
4465         (sched_operand_type): Merge into sched_attr_op_type.
4466         (sched_attr_op_type): Handle FP registers, handle quick constants,
4467         update.
4468         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
4469         (m68k_sched_attr_size): Update.  Move logic to ...
4470         (sched_get_attr_size_int): New static function.
4471         (sched_get_opxy_mem_type): New static function.
4472         (m68k_sched_attr_op_mem): Update.
4473         (m68k_sched_attr_type2): Remove.
4474         (sched_cfv4_bypass_data): New static variable.
4475         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
4476         (m68k_sched_issue_rate): Implement scheduler hook.
4477         (struct _sched_ib: enabled_p): New field.
4478         (m68k_sched_variable_issue): Update.  Handle V4.
4479         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
4480         sched_dump_class_func_t, sched_dump_split_class,
4481         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
4482         sched_dump_dfa_class, m68k_sched_dump): Remove.
4483         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
4484         hook.
4485         (m68k_sched_init_global): Remove statisctics dumping, introduce
4486         sanity check that all instructions have pipeline reservations.  Handle
4487         ColdFire V4 core.
4488         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
4489         Handle ColdFire V4 core.
4490         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
4491         New static functions.
4492         (m68k_sched_address_bypass_p): New bypass predicate.
4493         (sched_get_indexed_address_scale): New static function.
4494         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
4495
4496         * cf.md: Update comments.
4497         (define_attr type2): Remove.  Use 'type' attribute instead.
4498         Update all uses.
4499         (cf_ib): Rename to cfv123_ib.  Update all uses.
4500         (cf_oep): Rename to cfv123_oep.  Update all uses.
4501         (cf_chr): Rename to cfv123_chr.  Update all uses.
4502         (cf_mem): Rename to cfv123_mem.  Update all uses.
4503         (cf_mac): Move to more appropriate place.
4504         (cfv123_guess): New automaton and cpu_unit.
4505         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
4506         Update uses of 'size' attribute.  Handle before reload scheduling.
4507         (cfv123_guess): New dummy reservation for unhandled instructions.
4508         (cfv4_*): Pipeline description of ColdFire V4 core.
4509         (ignore): New reservation to handle 'ignore' type.
4510
4511 2008-05-07  Ian Lance Taylor  <iant@google.com>
4512
4513         PR middle-end/36013
4514         * gimplify.c (find_single_pointer_decl_1): Don't look through
4515         indirections.
4516         (find_single_pointer_decl): Adjust comments.
4517
4518 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
4519
4520         PR middle-end/36137
4521         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
4522         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
4523
4524         PR middle-end/36106
4525         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
4526         integral type rather than floating point, then VIEW_CONVERT_EXPR
4527         to the floating point type.
4528
4529 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
4530
4531         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
4532         TFmode op0 to register.
4533
4534 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
4535
4536         * c-decl.c (grokdeclarator): Comment typo.
4537
4538 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
4539
4540         * tree-flow.h: Remove prototype for computed_goto_p.
4541         * tree-cfg.c (computed_goto_p): Make static.
4542
4543 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
4544
4545         PR target/35657
4546         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
4547         (contains_aligned_value_p): This.  Handle _Decimal128.
4548         (ix86_function_arg_boundary): Only align _Decimal128 to its
4549         natural boundary and handle it properly.
4550
4551 2008-05-06  Martin Jambor  <mjambor@suse.cz>
4552
4553         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
4554         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
4555         (ipcp_method_set_orig_node): Removed.
4556         (ipcp_cval_get_cvalue_type): Removed.
4557         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
4558         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
4559         (ipcp_cval_set_cvalue_type): Removed.
4560         (ipcp_cval_get_cvalue): Removed.
4561         (ipcp_cval_set_cvalue): Removed.
4562         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
4563         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
4564         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
4565         (ipcp_cval_meet): Renamed to ipa_lattice_meet
4566         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
4567         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
4568         (ipcp_get_ith_lattice): Changed parameters.
4569         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
4570         (ipcp_lattice_from_jfunc): Changed parameters.
4571         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
4572         (ipcp_method_cval_print): Added temporary variable info.
4573         (ipcp_redirect): Removed already unused local variable caller.
4574         (ipcp_redirect): New temporary variable orig_callee_info
4575         (ipcp_redirect): Removed newly unused local variable callee.
4576         (ipcp_redirect): Removed (a bit confusing) local variable type.
4577         (ipcp_insert_stage): Added local variable info.
4578         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters 
4579         renamed too
4580         (ipcp_formal_create): Removed.
4581         (ipcp_method_cval_set): Removed.
4582         (ipcp_propagate_stage): Renamed lattice variables.
4583         (ipcp_method_cval_set_cvalue_type): Removed.
4584         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
4585         (ipcp_print_all_lattices): Changed printed strings to refer to 
4586         lattices rather than cvals.
4587         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
4588         (ipcp_propagate_const): Changed formal parameters.
4589         (build_const_val): Changed formal parameters.
4590         (ipcp_insert_stage): Removed useless variable cvalue
4591         (build_const_val): Changed formal parameters.
4592         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
4593         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
4594         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
4595         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
4596         (ipcp_print_func_profile_counts): Changed string from "method" to 
4597         "function"
4598         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
4599         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
4600         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
4601         (ipcp_structures_print): Renamed to ipcp_print_all_structures
4602         (ipcp_profile_print): Renamed to ipcp_print_profile_data
4603         (ipcp_lat_is_const): Changed parameters and made inline.
4604         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
4605         (ipcp_redirect): Renamed to ipcp_need_redirect_p
4606         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using 
4607         the predicate condition directly
4608         (ipcp_propagate_stage): Added local variable args. Removed local
4609         variable callee.  (Both are mere code simplifications.)
4610         (ipcp_method_dont_insert_const): Renamed to
4611         ipcp_node_not_modifiable_p.
4612         (ipcp_node_not_modifiable_p): Made inline.
4613         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
4614         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
4615         (ipcp_print_all_lattices): Removed variable cvalue
4616         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
4617         Updated comments.
4618
4619 2008-05-06  Olivier Hainque  <hainque@adacore.com>
4620
4621         * tree-sra.c (try_instantiate_multiple_fields): Early return
4622         if field has POINTER_TYPE.
4623
4624 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
4625
4626         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
4627         by using 'q' specifier for instruction.
4628         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
4629
4630 2008-05-06  Anatoly Sokolov <aesok@post.ru>
4631
4632         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
4633         Change mode of zero_extract from QImode to HImode.
4634         (sign bit tests peepholes): (Ditto.).
4635
4636 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
4637
4638         * config/i386/mmx.md: Remove double backslashes from asm templates.
4639         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
4640         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
4641         to handle nonimmediate operands.
4642         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
4643         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
4644         to handle nonimmediate operands.
4645         (*mmx_<code>v2sf3_finite): New insn pattern.
4646         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
4647         (mmx_<code>v2sf3): New expander.  Use
4648         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4649         (mmx_<plusminus_insn><mode>3): New expander.  Use
4650         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4651         (*mmx_<plusminus_insn><mode>3): New insn pattern.
4652         (mmx_add<mode>3): Removed.
4653         (mmx_ssadd<mode>3): Ditto.
4654         (mmx_usadd<mode>3): Ditto.
4655         (mmx_sub<mode>3): Ditto.
4656         (mmx_sssub<mode>3): Ditto.
4657         (mmx_ussub<mode>3): Ditto.
4658         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
4659         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
4660         to handle nonimmediate operands.
4661         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
4662         insn pattern.
4663         (mmx_smulv4hi3_highpart): New expander.  Use
4664         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4665         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
4666         insn pattern.
4667         (mmx_umulv4hi3_highpart): New expander.  Use
4668         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4669         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
4670         (mmx_<code>v4hi3): New expander.  Use
4671         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4672         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
4673         (mmx_<code>v8qi3): New expander.  Use
4674         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4675         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
4676         (mmx_<code><mode>3): New expander.  Use
4677         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4678
4679 2008-05-05  Jan Hubicka  <jh@suse.cz>
4680
4681         PR tree-optimization/36118
4682         * passes.c (pass_init_dump_file): Fix dump header.
4683
4684 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4685
4686         PR middle-end/36141
4687         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
4688         VCE for function decls.
4689
4690 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
4691
4692         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
4693
4694 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
4695
4696         * config/i386/i386.md (sat_plusminus): New.
4697         (plusminus_insn): Likewise.
4698         (plusminus_mnemonic): Likewise.
4699         (addsub): Removed.
4700         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
4701         (*<addsub><mode>3_cc_overflow): Renamed to ...
4702         (*<plusminus_insn><mode>3_cc_overflow): This.
4703         (*<addsub>si3_zext_cc_overflow): Renamed to ...
4704         (*<plusminus_insn>si3_zext_cc_overflow): This.
4705
4706         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
4707         (<plusminus_insn><mode>3): This.
4708         (*<addsub><mode>3): Renamed to ...
4709         (*<plusminus_insn><mode>3): This.
4710         (<sse>_vm<addsub><mode>3): Renamed to ...
4711         (<sse>_vm<plusminus_insn><mode>3): This.
4712         (sse3_h<addsub>v4sf3): Renamed to ...
4713         (sse3_h<plusminus_insn>v4sf3): This.
4714         (sse3_h<addsub>v2df3): Renamed to ...
4715         (sse3_h<plusminus_insn>v2df3): This.
4716         (<plusminus_insn><mode>3): New.
4717         (*<plusminus_insn><mode>3): Likewise.
4718         (sse2_<plusminus_insn><mode>3): Likewise.
4719         (add<mode>): Removed.
4720         (*add<mode>3): Likewise.
4721         (sse2_ssadd<mode>3): Likewise.
4722         (sse2_usadd<mode>3): Likewise.
4723         (sub<mode>3): Likewise.
4724         (*sub<mode>3): Likewise.
4725         (sse2_sssub<mode>3): Likewise.
4726         (sse2_ussub<mode>3): Likewise.
4727
4728 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
4729
4730         * gthr-single.h: Add in required interface elements as per gthr.h.
4731         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
4732         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
4733         Generalize UNUSED macro. 
4734         (__gthread_once): Add.
4735         (__gthread_key_create): Add.
4736         (__gthread_key_delete): Add.
4737         (__gthread_getspecific): Add.
4738         (__gthread_setspecific): Add.
4739         
4740 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
4741
4742         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
4743         the same size types for the indirect reference on the rhs, then
4744         create a VCE.
4745
4746 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
4747
4748         * config/i386/i386.md
4749         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
4750         one insn template instead of template series.
4751         (*xordi_1_rex64): Ditto.
4752         (*xordi_2_rex64): Ditto.
4753
4754 2008-05-05  Ira Rosen  <irar@il.ibm.com>
4755
4756         PR tree-optimization/36119
4757         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
4758         in case of SLP.
4759
4760 2008-06-04  Jan Hubicka  <jh@suse.cz>
4761
4762         tree-optimization/36100
4763         * tree-pass.h (pass_O0_always_inline): Declare.
4764         * ipa-inline.c (inline_transform): Remove dead code.
4765         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
4766         pass_O0_always_inline): New.
4767         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
4768
4769 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
4770
4771         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
4772         mnemonic in this_param move for TARGET_64BIT.
4773
4774 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
4775
4776         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
4777         (*strmovsi_rex_1): Ditto.
4778         (*strsetsi_1): Ditto.
4779         (*strsetsi_rex_1): Ditto.
4780
4781         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
4782         adddicc expanders using SWI mode iterator.
4783
4784 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
4785
4786         PR target/36121
4787         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
4788         argument handling.
4789
4790 2008-05-04  David S. Miller  <davem@davemloft.net>
4791
4792         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
4793         (sparc*-*-linux*): Use linux.h in tm_file.
4794         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
4795         compiler defaulting to 32-bit.
4796         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
4797         no longer needed.
4798         * config/sparc/linux.h: Remove definitions now obtained
4799         properly from linux.h
4800         * config/sparc/linux64.h: Likewise.
4801         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
4802         don't want this setting for 32-bit builds in a biarch compiler.
4803         * doc/install.texi: Add sparc-linux to list of targets
4804         supporting --enable-targets=all.
4805
4806 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
4807
4808         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
4809
4810 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
4811
4812         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
4813         after V4SI_FTYPE_V8HI.
4814         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
4815         case V4SI_FTYPE_V2DF.
4816
4817 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
4818
4819         * doc/invoke.texi (max-flow-memory-locations): Removed.
4820         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
4821         
4822 2008-05-03  Richard Guenther  <rguenther@suse.de>
4823
4824         PR middle-end/34973
4825         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
4826
4827 2008-05-02  David S. Miller  <davem@davemloft.net>
4828
4829         * config.gcc (need_64bit_hwint): Document libcpp dependency.
4830
4831 2008-05-02  Simon Baldwin <simonb@google.com>
4832
4833         PR bootstrap/36108
4834         * c-common.h (warn_array_subscript_range): Removed.
4835         * c-common.c (warn_array_subscript_range): Ditto.
4836         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
4837         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
4838
4839 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
4840
4841         * config/i386/i386.c (ix86_special_builtin_type): New.
4842         (bdesc_special_args): Likewise.
4843         (ix86_expand_special_args_builtin): Likewise.
4844         (ix86_init_mmx_sse_builtins): Updated.
4845         (ix86_expand_builtin): Updated.
4846         (ix86_expand_store_builtin): Removed.
4847         (ix86_expand_unop_builtin): Likewise.
4848
4849         * config/i386/mm3dnow.h (__v2sf): Moved to ...
4850         * config/i386/mmintrin.h (__v2sf): Here.
4851
4852         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
4853         const __v2sf.
4854         (_mm_loadl_pi): Likewise.
4855         (_mm_storeh_pi): Replace __v2si with __v2sf.
4856         (_mm_storel_pi): Likewise.
4857
4858         * doc/extend.texi: Correct __builtin_ia32_loadhps,
4859         __builtin_ia32_loadlps, __builtin_ia32_storehps,
4860         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
4861         __builtin_ia32_loadlpd.
4862
4863 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
4864
4865         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
4866         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
4867         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
4868         (ix86_init_mmx_sse_builtins): Updated.
4869         (ix86_expand_args_builtin): Likewise.
4870         (ix86_expand_builtin): Likewise.
4871         (ix86_expand_unop1_builtin): Renamed to ...
4872         (ix86_expand_unop_vec_merge_builtin): This.
4873
4874 2008-05-01  Jan Hubicka  <jh@suse.cz>
4875
4876         PR bootstrap/36100
4877         * ipa-inline.c (inline_generate_summary): Make static.
4878         (inline_transform): Do not call inlining at -O0; make static.
4879         * passes.c (execute_todo): Add sanity check.
4880         (execute_one_ipa_transform_pass): Execute proper flags.
4881
4882 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
4883
4884         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
4885         (DECL_NONADDRESSABLE_P): Likewise.
4886         * alias.c (record_component_aliases): Fix comment.
4887
4888 2008-05-01  Simon Baldwin <simonb@google.com>
4889
4890         * c-common.h (warn_array_subscript_range): New function.
4891         * c-common.c (warn_array_subscript_range): Ditto.
4892         * tree-vrp.c (check_array_ref): Corrected code to agree with
4893         comment, ignoring only arrays of size 0 or size 1.
4894         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
4895
4896 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
4897
4898         * config/i386/i386.c (ix86_builtin_type): Replace
4899         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
4900         (bdesc_args): Updated.
4901         (ix86_init_mmx_sse_builtins): Likewise.
4902         (ix86_expand_args_builtin): Likewise.
4903
4904         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
4905         with __v1di.
4906
4907         * doc/extend.texi: Correct __builtin_ia32_palignr.
4908
4909 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
4910
4911         PR target/36095
4912         * config/i386/i386.c (bdesc_crc32): Removed.
4913         (ix86_expand_crc32): Likewise.
4914         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
4915         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
4916         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
4917         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
4918         UINT_FTYPE_UINT_UCHAR.
4919         (bdesc_args): Updated. Add crc32 builtins.
4920         (ix86_init_mmx_sse_builtins): Updated.
4921         (ix86_expand_args_builtin): Updated to support subreg.
4922
4923         * doc/extend.texi: Correct __builtin_ia32_crc32di.
4924
4925 2008-05-01  Jan Hubicka  <jh@suse.cz>
4926
4927         * tree-pass.h (opt_pass): Add IPA_PASS.
4928         (varpool_node, cgraph_node): Forward declare.
4929         (ipa_opt_pass): Define.
4930         (pass_ipa_inline): Turn into ipa_opt_pass.
4931         (pass_apply_inline): Remove.
4932         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
4933         (apply_inline): Turn into ....
4934         (inline_transform): ... this one.
4935         (inline_generate_summary): New function.
4936         (pass_apply_inline): Remove.
4937         * function.h (ipa_opt_pass): Forward declare structure; typedef;
4938         vector.
4939         (struct function): Add ipa_transforms_to_apply.
4940         * passes.c (register_one_dump_file): Work on IPA_PASS.
4941         (init_optimization_passes): Remove pass_inline_parameters and
4942         pass_apply_inline.
4943         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
4944         (execute_one_pass) ... here; apply transforms when possible.
4945         (add_ipa_transform_pass, execute_ipa_summary_asses,
4946         execute_one_ipa_transform_pass): New.
4947         (execute_ipa_pass_list): Update for IPA_PASS type.
4948
4949 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
4950
4951         * config/i386/i386.c (ix86_builtin_type): Add
4952         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
4953         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
4954         (bdesc_args): Add SSE4a builtins.
4955         (ix86_init_mmx_sse_builtins): Updated.
4956         (ix86_expand_args_builtin): Likewise.
4957         (ix86_expand_builtin): Likewise.
4958
4959 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
4960
4961         * config/i386/i386.c (ix86_builtin_type): Add
4962         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
4963         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
4964         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
4965         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
4966         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
4967         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
4968         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
4969         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
4970         and DI_FTYPE_DI_DI_INT.
4971         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
4972         (ix86_init_mmx_sse_builtins): Updated.
4973         (ix86_expand_args_builtin): Likewise.
4974         (ix86_expand_builtin): Likewise.
4975         (ix86_expand_binop_imm_builtin): Removed.
4976
4977         * doc/extend.texi: Correct __builtin_ia32_palignr128.
4978
4979 2008-04-30  Richard Guenther  <rguenther@suse.de>
4980
4981         PR tree-optimization/32921
4982         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
4983
4984 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
4985
4986         * config/arm/arm.c (arm_unwind_emit): Use
4987         crtl->all_throwers_are_sibcalls instead of
4988         cfun->all_throwers_are_sibcalls.
4989         (arm_output_fn_unwind): Likewise.
4990         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
4991         instead of cfun->uses_pic_offset_table.
4992         (frv_expand_prologue): Likewise.
4993         (frv_frame_pointer_required): Likewise.
4994         (frv_expand_fdpic_call): Likewise.
4995         (frv_emit_movsi): Likewise.
4996         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
4997         cfun->returns_pcc_struct instead of
4998         current_function_returns_pcc_struct.
4999         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
5000         instead of cfun->calls_eh_return.
5001         (m32c_pushm_popm): Likewise.
5002         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
5003         "extern" declaration.
5004
5005 2008-04-30  Richard Guenther  <rguenther@suse.de>
5006
5007         PR tree-optimization/21636
5008         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
5009         constant address.
5010         (evaluate_stmt): Print the likely value.
5011         (ccp_visit_stmt): Avoid excessive vertical spacing.
5012
5013 2008-04-30  Rafael Espindola  <espindola@google.com>
5014
5015         * builtins.c (fold_call_expr): Return realret.
5016         * tree-ssa-threadedge.c
5017         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
5018         __builtin_object_size.
5019
5020 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
5021
5022         * gcc.c (wrapper_string): New variable.
5023         (insert_wrapper): New function.
5024         (execute): New option -wrapper.
5025         * doc/invoke.texi (Overall Options): New driver option -wrapper.
5026
5027 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
5028
5029         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
5030         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
5031         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
5032         from...
5033         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
5034         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
5035         config/rs6000/e500crtres64gprctr.asm,
5036         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
5037         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
5038         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
5039         config/rs6000/e500crtsav64gprctr.asm,
5040         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
5041         config/rs6000/e500crtsavg64gprctr.asm: New files.
5042         * config/rs6000/t-ppccomm: Add build rules for new files.
5043         (LIB2FUNCS_STATIC_EXTRA): Add new files.
5044         * config/rs6000/t-netbsd: Add build rules for new files.
5045         (LIB2FUNCS_STATIC_EXTRA): New variable.
5046         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
5047         (CRTSAVRES_DEFAULT_SPEC): Likewise.
5048         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
5049
5050 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
5051
5052         * config/i386/i386.c (ix86_builtin_type): Add
5053         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
5054         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
5055         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
5056         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
5057         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
5058         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
5059         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
5060         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
5061         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
5062         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
5063         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
5064         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
5065         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
5066         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
5067         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
5068         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
5069         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
5070         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
5071         V1DI_FTYPE_V2SI_V2SI.
5072         (bdesc_2arg): Moved to ...
5073         (bdesc_args): Here.
5074         (ix86_init_mmx_sse_builtins): Updated.
5075         (ix86_expand_args_builtin): Updated.  Take a pointer
5076         to const struct builtin_description.  Handle comparison
5077         builtin functions.
5078         (ix86_expand_sse_compare): Take a new argument for swapping operands.
5079         (ix86_expand_builtin): Updated.
5080
5081         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
5082         (ssse3_pmaddubsw128): This.
5083         (ssse3_pmaddubswv4hi3): Renamed to ...
5084         (ssse3_pmaddubsw): This.
5085
5086         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
5087         (__builtin_ia32_packssdw128): Likewise.
5088         (__builtin_ia32_packuswb128): Likewise.
5089         (__builtin_ia32_pmaddubsw): Likewise.
5090         (__builtin_ia32_pmaddubsw128): Likewise.
5091
5092 2008-04-30  Richard Guenther  <rguenther@suse.de>
5093
5094         PR tree-optimization/14847
5095         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
5096         (recognize_bits_test): Use it.
5097         (recognize_single_bit_test): Likewise.
5098
5099 2008-04-30  Martin Jambor  <mjambor@suse.cz>
5100
5101         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
5102         instead of setting number of formal parameters to zero.
5103         (ipcp_init_stage): Do not set the number of actual parameters to zero 
5104         either.
5105         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
5106         which are called with variable number of arguments.
5107         (ipcp_insert_stage): Explicitely skipping all nodes which are
5108         called with variable number of arguments.
5109         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
5110         number of parameters.
5111
5112         * ipa-prop.h (struct ipa_node_params): Added flag
5113         called_with_var_arguments
5114         (ipa_set_param_count): Added.  Changed sole setter to use it.
5115         (ipa_get_param_count): Added.  All readers of param_count
5116         converted to use it instead.
5117         (ipa_set_called_with_variable_arg): Added.
5118         (ipa_is_called_with_var_arguments): Added.
5119         (ipa_get_ith_param): Added.  All readers of param_decls converted
5120         to use it instead.
5121         (ipa_set_cs_argument_count): Added, sole writer to argument_count 
5122         changed to use it. 
5123         (ipa_get_cs_argument_count): Added, all readers of argument_count
5124         changed to cal it.
5125         (ipa_get_ith_jump_func): Added. Accessors of jump values changed 
5126         to use it.
5127         
5128         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
5129         (struct ipcp_lattice): Renamed cval_type to type
5130         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
5131
5132         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
5133         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
5134         (ipcp_insert_stage): Changed the type of variable cvalue to tree
5135         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
5136         (build_const_val): Changed the type of parameter cvalue to tree
5137         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
5138         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
5139         
5140         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
5141         constant 
5142
5143         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
5144         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
5145         (ipa_add_method): Renamed to ipa_push_func_to_list
5146         (ipa_remove_method): Renamed to ipa_pop_func_from_list
5147         (ipa_callsite_param_count): Removed.
5148         (ipa_callsite_param_count_set): Removed.
5149         (ipa_callsite_param): Removed.
5150         (ipa_callsite_callee): Removed.
5151         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
5152         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
5153         (ipa_method_formal_count): Removed.
5154         (ipa_method_formal_count_set): Removed.
5155         (ipa_method_get_tree): Removed.
5156         (ipa_method_tree_map_create): Removed.
5157         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
5158         (ipa_create_param_decls_array): Creates the array itself
5159         (ipa_create_param_decls_array): Temporary variable info instead of 
5160         a few dereferences.
5161         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
5162         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
5163         (get_type): Removed.
5164         (ipa_jf_get_info_type): Removed.
5165         (ipa_node_create): Renamed to ipa_create_node_params
5166         (ipa_free): Renamed to ipa_free_all_node_params
5167         (ipa_nodes_create): Renamed to ipa_create_all_node_params
5168         (ipa_edges_create): Renamed to ipa_create_all_edge_args
5169         (ipa_edges_free): Renamed to ipa_free_all_edge_args
5170         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
5171         (ipa_free_all_node_params): Deallocation to jump_functions moved to 
5172         ipa_free_all_edge_args
5173         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
5174         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
5175         (ipa_create_methodlist_node): Removed.
5176         (ipa_methodlist_method): Removed.
5177         (ipa_methodlist_method_set): Removed.
5178         (ipa_methodlist_next_method): Removed.
5179         (ipa_methodlist_next_method_set): Removed.
5180         (ipa_method_is_modified): Removed.
5181         (ipa_method_modify_create): Removed.
5182         (ipa_method_modify_init): Temporary variable info instead of a few 
5183         dereferences.
5184         (ipa_detect_param_modifications): Temporary variable info instead of 
5185         a few dereferences.
5186         (ipa_compute_jump_functions): Temporary variable info instead of 
5187         a few dereferences.
5188         (ipa_method_modify_set): Removed.
5189         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
5190         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
5191         than craph_node as the first parameter.
5192         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
5193         (ipa_method_modify_init): Removed.
5194         (ipa_compute_jump_functions): Added a temp variable instead of 
5195         repeatadly dereferencing the cgraph_edge.aux pointer
5196         (ipa_callsite_param_set_type): Removed.
5197         (ipa_compute_jump_functions): i renamed to index and moved to 
5198         an inner block
5199         (ipa_callsite_param_set_info_type_formal): Removed.
5200         (ipa_callsite_param_set_info_type): Removed.
5201         (ipa_callsite_param_map_create): Removed.
5202         (ipa_callsite_tree): Removed.
5203         (ipa_callsite_caller): Removed.
5204         (ipa_pop_func_from_list): return_method removed to return_func
5205
5206         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
5207         prefixed all values with IPA_. Changed all users.
5208         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
5209         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
5210         and FORMAL_IPATYPE IPA_PASS_THROUGH. 
5211         (union parameter_info): Renamed to jump_func_value.
5212         (union jump_func_value): Renamed value to constant
5213         (struct ipa_jump_func): Renamed info_type to value
5214         (struct ipa_node): Renamed to ipa_node_params
5215         (struct ipa_node_params): Renamed ipa_arg_num to param_count
5216         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
5217         (struct ipa_node_params): Renamed ipa_mod to modified_flags
5218         (struct ipa_edge): Renamed to ipa_edge_args
5219         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
5220         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
5221         (struct ipa_methodlist): Renamed to ipa_func_list
5222         (struct ipa_func_list): method_p renamed to node, next_method
5223         renamed to next
5224         (ipa_methodlist_p): Removed, switched all users to struct pointer
5225         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
5226
5227 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
5228
5229         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
5230         (rs6000_emit_epilogue): Use backchain to restore only when we
5231         have a large frame.  Make use of frame pointer to restore if we
5232         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
5233
5234 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
5235
5236         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
5237         Add mode to zero_extract.
5238         (sign bit tests peepholes): (Ditto.).
5239
5240 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
5241
5242         * config/i386/i386.c (ix86_builtins): Replace Prescott New
5243         Instructions in comments with SSE3.
5244         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
5245         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
5246         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
5247         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
5248         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
5249         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
5250         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
5251         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
5252         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
5253         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
5254         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
5255         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
5256         (bdesc_sse_args): Renamed to ...
5257         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
5258         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
5259         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
5260         IX86_BUILTIN_FABSQ.
5261         (bdesc_1arg): Moved to ...
5262         (bdesc_args): Here.
5263         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
5264         Instructions in comments with SSE3.
5265         (ix86_expand_sse_operands_builtin): Renamed to ...
5266         (ix86_expand_args_builtin): This.  Updated.
5267         (ix86_expand_unop1_builtin): Update comments.
5268         (ix86_expand_builtin): Updated.
5269
5270 2008-04-29  Richard Guenther  <rguenther@suse.de>
5271
5272         PR tree-optimization/36078
5273         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
5274         Update virtual SSA form after cleaning up the CFG.
5275
5276 2008-04-29  Richard Guenther  <rguenther@suse.de>
5277
5278         PR middle-end/15255
5279         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
5280
5281 2008-04-29  Richard Guenther  <rguenther@suse.de>
5282
5283         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
5284         (compute_may_aliases): Do not call finalize_ref_all_pointers.
5285         (compute_flow_insensitive_aliasing): Do not treat
5286         PTR_IS_REF_ALL pointers special.
5287         (get_smt_for): Likewise.
5288         (may_alias_p): Re-structure.
5289         (is_escape_site): A ref-all pointer conversion is not an escape site.
5290         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
5291         PTR_IS_REF_ALL pointers special.
5292         * tree-ssa-structalias.h (struct alias_info): Remove
5293         ref_all_symbol_mem_tag field.
5294         (PTR_IS_REF_ALL): Remove.
5295
5296 2008-04-29  Richard Guenther  <rguenther@suse.de>
5297
5298         PR middle-end/36077
5299         * fold-const.c (extract_muldiv_1): In combining division constants
5300         make sure to never overflow.
5301
5302 2008-04-29  Nick Clifton  <nickc@redhat.com>
5303
5304         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
5305
5306 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5307
5308         PR bootstrap/35169
5309         * optc-gen.awk: Work around HP-UX/IA awk bug.
5310
5311 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
5312
5313         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
5314         2008-04-25 commit.
5315
5316 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
5317
5318         PR target/36073
5319         * config/i386/i386.md
5320         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
5321         Change operand 1 predicate to nonimmediate_operand.
5322
5323 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
5324
5325         PR debug/36060
5326         * dwarf2out.c (struct die_struct): Mark as chain_circular through
5327         die_sub field.
5328         * gengtype.c (walk_type, write_func_for_structure): Handle
5329         chain_circular.
5330         * doc/gty.texi: Document chain_circular.
5331
5332 2008-04-28  Richard Guenther  <rguenther@suse.de>
5333
5334         PR tree-optimization/36066
5335         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
5336         SCEV and loop.
5337
5338 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
5339
5340         PR target/36064
5341         * config/i386/i386.md
5342         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
5343         Use match_scratch instead of match_operand for operands 3 and 4.
5344
5345 2008-04-27  Richard Guenther  <rguenther@suse.de>
5346
5347         PR tree-optimization/18754
5348         PR tree-optimization/34223
5349         * tree-pass.h (pass_complete_unrolli): Declare.
5350         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
5351         loop size before and after unconditionally of UL_NO_GROWTH in effect.
5352         Rewrite loop into loop closed SSA form if it is not already.
5353         (tree_unroll_loops_completely): Re-structure to iterate over
5354         innermost loops with intermediate CFG cleanups.
5355         Unroll outermost loops only if requested or the code does not grow
5356         doing so.
5357         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
5358         loops are available.
5359         (tree_vectorize): Instead do so here.
5360         (tree_complete_unroll): Also unroll outermost loops.
5361         (tree_complete_unroll_inner): New function.
5362         (gate_tree_complete_unroll_inner): Likewise.
5363         (pass_complete_unrolli): New pass.
5364         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
5365         uses outside of the loop.
5366         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
5367         form if it is available.  
5368         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
5369         * passes.c (init_optimization_passes): Schedule complete inner
5370         loop unrolling pass before the first CCP pass after final inlining.
5371
5372 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
5373
5374         * targhooks.h (default_emutls_var_fields,
5375         default_emutls_var_init): Declare.
5376         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
5377         * target.h (struct gcc_target): Add struct emutls member.
5378         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
5379         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
5380         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
5381         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
5382         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
5383         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
5384         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
5385         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
5386         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
5387         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
5388         emit debug information.
5389         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
5390         * varasm.c: Include targhooks.h.
5391         (emutls_object_section, emutls_tmpl_section): New.
5392         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
5393         (EMUTLS_SEPARATOR): New.
5394         (prefix_name): New.
5395         (get_emutls_object_name): New.
5396         (default_emutls_var_fields): New, broken out of ...
5397         (get_emutls_object_type): ... here.  Adjust to use target hooks.
5398         (get_emutls_init_templ_addr): Adjust to use target hooks.
5399         (emutls_decl): Adjust to use target hooks.
5400         (emutls_finish): Likewise.
5401         (default_emutls_var_init): New, broken out of ...
5402         (assemble_variable): ... here.  Adjust to use target hooks.
5403         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
5404         SECCAT_EMUTLS_TMPL.
5405         * c-common.c (handle_section_attribute): Prevent overriding
5406         sections for emulated tls with special sections.
5407         * config/i386/i386.c (x86_64_elf_select_section): Add
5408         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
5409         (x86_64_elf_unique_section): Likewise.
5410         * config/vxworks.c: Include tree.h.
5411         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
5412         (vxworks_override_options): Set TLS scheme.
5413         * doc/tm.texi (Emulated TLS): New node.
5414
5415 2008-04-26  Simon Baldwin <simonb@google.com>
5416
5417         PR c/35652
5418         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
5419         with propagated string constants.
5420
5421 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
5422
5423         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
5424         constraint for operand 2 when operand 0 is memory operand.
5425         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
5426         operand 0 is memory operand.
5427         (fix_trunc<mode>_i387_with_temp): Ditto.
5428         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
5429         operand 2 when operand 1 is memory operand.
5430         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
5431         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
5432         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
5433         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
5434         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
5435         operands 2,3 and 4 when operand 1 is memory operand.
5436         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
5437         is memory operand.
5438         (fistdi2_floor_with_temp): Ditto.
5439         (fist<mode>2_floor_with_temp): Ditto.
5440         (fistdi2_ceil_with_temp): Ditto.
5441         (fist<mode>2_ceil_with_temp): Ditto.
5442         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
5443
5444 2008-04-26  David Daney  <ddaney@avtrex.com>
5445
5446         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
5447         unspec_volitile.
5448         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
5449         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
5450         UNSPEC_UPDATE_GOT_VERSION): Renumber.
5451         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
5452         (compare_and_swap_12): New insn.
5453         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
5454         * config/mips/mips.c (mips_force_binary): New function.
5455         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
5456         (mips_expand_compare_and_swap_12): New function.
5457         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
5458
5459 2008-04-25  Jan Hubicka  <jh@suse.cz>
5460
5461         PR testsuite/35843
5462         * cfgexpand.c (pass_expand): Turn into RTL pass.
5463         * passes.c (execute_one_pass): Do pass typechecking after execution.
5464         * tree-pass.h (pass_expand): Turn into RTL pass.
5465
5466         * function.h (struct rtl_data): Move here fields
5467         accesses_prior_frames, calls_eh_return, saves_all_registers,
5468         has_nonlocal_goto, has_asm_statement, is_thunk,
5469         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
5470         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
5471         arg_pointer_save_area_init from struct function; turn into bool.
5472         (struct function): Move
5473         calls_eh_return, saves_all_registers, has_nonlocal_goto,
5474         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
5475         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
5476         tail_call_emit, arg_pointer_save_area_init
5477         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
5478         (current_function_returns_struct, current_function_returns_pcc_struct,
5479         current_function_calls_setjmp, current_function_calls_alloca,
5480         current_function_accesses_prior_frames,
5481         current_function_calls_eh_return, current_function_is_thunk,
5482         current_function_stdarg, current_function_profile,
5483         current_function_limit_stack, current_function_uses_pic_offset_table,
5484         current_function_uses_const_pool, current_function_has_nonlocal_label,
5485         current_function_saves_all_registers,
5486         current_function_has_nonlocal_goto,
5487         current_function_has_asm_statement): Remove accesor macros.
5488         * ra-conflict.c (global_conflicts): Update.
5489         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
5490         (suitable_for_tail_call_opt_p): Update.
5491         * builtins.c (expand_builtin_return_addr): Update.
5492         (expand_builtin_setjmp_setup): Update.
5493         (expand_builtin_nonlocal_goto): Update.
5494         * final.c (final_start_function): Update.
5495         (profile_function): Update.
5496         (leaf_function_p): Update.
5497         (only_leaf_regs_used): Update.
5498         * df-scan.c (df_get_exit_block_use_set): Update.
5499         * dojump.c (clear_pending_stack_adjust): Update.
5500         * tree-stdarg.c (gate_optimize_stdarg): Update.
5501         * gimple-low.c (lower_function_body): Update.
5502         * global.c (compute_regsets): Update.
5503         (global_alloc): Update.
5504         * dwarf2out.c (dwarf2out_begin_prologue): Update.
5505         * expr.c (expand_assignment): Update.
5506         * dse.c (dse_step0): Update.
5507         (dse_step1): Update.
5508         * c-decl.c (store_parm_decls): Update.
5509         * local-alloc.c (combine_regs): Update.
5510         (find_free_reg): Update.
5511         * function.c (assign_parms_augmented_arg_list): Update.
5512         (assign_parm_find_data_types): Update.
5513         (assign_parms): Update.
5514         (allocate_struct_function): Update.
5515         (expand_function_start): Update.
5516         (expand_function_end): Update.
5517         (get_arg_pointer_save_area): Update.
5518         (thread_prologue_and_epilogue_insns): Update.
5519         (rest_of_match_asm_constraints): Update.
5520         * stor-layout.c (variable_size): Update.
5521         * gcse.c (gcse_main): Update.
5522         (bypass_jumps): Update.
5523         * gimplify.c (gimplify_function_tree): Update.
5524         * calls.c (emit_call_1): Update.
5525         (expand_call): Update.
5526         * bt-load.c (compute_defs_uses_and_gen): Update.
5527         * except.c (sjlj_assign_call_site_values): Update.
5528         (sjlj_emit_function_enter): Update.
5529         (can_throw_external): Update.
5530         (set_nothrow_function_flags): Update.
5531         (expand_builtin_unwind_init): Update.
5532         (expand_eh_return): Update.
5533         (convert_to_eh_region_ranges): Update.
5534         (output_function_exception_table): Update.
5535         * emit-rtl.c (gen_tmp_stack_mem): Update.
5536         * cfgexpand.c (expand_used_vars): Update.
5537         (tree_expand_cfg): Update.
5538         * cfgcleanup.c (rest_of_handle_jump): Update.
5539         * explow.c (allocate_dynamic_stack_space): Update.
5540         * varasm.c (assemble_start_function): Update.
5541         (force_const_mem): Update.
5542         (mark_constant_pool): Update.
5543         * tree-optimize.c (tree_rest_of_compilation): Update.
5544         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
5545         * tree-cfg.c (notice_special_calls): Update.
5546         (is_ctrl_altering_stmt): Update.
5547         (tree_can_make_abnormal_goto): Update.
5548         (tree_purge_dead_abnormal_call_edges): Update.
5549         * config/alpha/predicates.md: Update.
5550         * config/alpha/alpha.c (alpha_sa_mask): Update.
5551         (alpha_sa_size): Update.
5552         (alpha_does_function_need_gp): Update.
5553         (alpha_expand_prologue): Update.
5554         (alpha_start_function): Update.
5555         (alpha_output_function_end_prologue): Update.
5556         (alpha_expand_epilogue): Update.
5557         * config/frv/frv.c (frv_stack_info): Update.
5558         (frv_expand_epilogue): Update.
5559         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
5560         (s390_register_info): Update.
5561         (s390_frame_info): Update.
5562         (s390_init_frame_layout): Update.
5563         (s390_can_eliminate): Update.
5564         (save_gprs): Update.
5565         * config/spu/spu.c (spu_split_immediate): Update.
5566         (need_to_save_reg): Update.
5567         (spu_expand_prologue): Update.
5568         (spu_expand_epilogue): Update.
5569         * config/sparc/sparc.md: Update.
5570         * config/sparc/sparc.c (eligible_for_return_delay): Update.
5571         (sparc_tls_got): Update.
5572         (legitimize_pic_address): Update.
5573         (sparc_emit_call_insn): Update.
5574         (sparc_expand_prologue): Update.
5575         (output_return): Update.
5576         (print_operand): Update.
5577         (sparc_function_ok_for_sibcall): Update.
5578         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
5579         * config/m32r/m32r.md: Update.
5580         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
5581         (m32r_compute_frame_size): Update.
5582         (m32r_expand_prologue): Update.
5583         (m32r_expand_epilogue): Update.
5584         (m32r_legitimize_pic_address): Update.
5585         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
5586         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
5587         * config/i386/i386.c (ix86_frame_pointer_required): Update.
5588         (gen_push): Update.
5589         (ix86_save_reg): Update.
5590         (ix86_compute_frame_layout): Update.
5591         (ix86_expand_prologue): Update.
5592         (ix86_expand_epilogue): Update.
5593         * config/sh/sh.c (output_stack_adjust): Update.
5594         (calc_live_regs): Update.
5595         (sh5_schedule_saves): Update.
5596         (sh_expand_prologue): Update.
5597         (sh_expand_epilogue): Update.
5598         (sh_setup_incoming_varargs): Update.
5599         (sh_allocate_initial_value): Update.
5600         (sh_get_pr_initial_val): Update.
5601         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
5602         * config/sh/sh.md (label:): Update.
5603         * config/avr/avr.c (out_movhi_mr_r): Update.
5604         * config/crx/crx.h (enum): Update.
5605         * config/xtensa/xtensa.h (along): Update.
5606         * config/stormy16/stormy16.c Update.
5607         (xstormy16_compute_stack_layout): Update.
5608         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
5609         (fr30_expand_prologue): Update.
5610         * config/cris/cris.c (cris_conditional_register_usage): Update.
5611         (cris_reg_saved_in_regsave_area): Update.
5612         (cris_initial_frame_pointer_offset): Update.
5613         (cris_simple_epilogue): Update.
5614         (cris_expand_prologue): Update.
5615         (cris_expand_epilogue): Update.
5616         (cris_expand_pic_call_address): Update.
5617         (cris_asm_output_symbol_ref): Update.
5618         (cris_asm_output_label_ref): Update.
5619         * config/cris/cris.md Update.
5620         * config/iq2000/iq2000.c (compute_frame_size): Update.
5621         (iq2000_expand_epilogue): Update.
5622         * config/mt/mt.h (save_direction): Update.
5623         * config/mn10300/mn10300.c (mn10300_function_value): Update.
5624         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
5625         (ia64_secondary_reload_class): Update.
5626         * config/m68k/m68k.c (m68k_save_reg): Update.
5627         (m68k_expand_prologue): Update.
5628         (m68k_expand_epilogue): Update.
5629         (legitimize_pic_address): Update.
5630         * config/rs6000/rs6000.c (rs6000_got_register): Update.
5631         (first_reg_to_save): Update.
5632         (first_altivec_reg_to_save): Update.
5633         (compute_vrsave_mask): Update.
5634         (compute_save_world_info): Update.
5635         (rs6000_stack_info): Update.
5636         (spe_func_has_64bit_regs_p): Update.
5637         (rs6000_ra_ever_killed): Update.
5638         (rs6000_emit_eh_reg_restore): Update.
5639         (rs6000_emit_allocate_stack): Update.
5640         (rs6000_emit_prologue): Update.
5641         (rs6000_emit_epilogue): Update.
5642         (rs6000_output_function_epilogue): Update.
5643         (output_profile_hook): Update.
5644         (rs6000_elf_declare_function_name): Update.
5645         * config/rs6000/rs6000.h (rs6000_args): Update.
5646         * config/rs6000/rs6000.md: Update.
5647         * config/mcore/mcore.c (mcore_expand_prolog): Update.
5648         * config/arc/arc.c (arc_output_function_epilogue): Update.
5649         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
5650         * config/darwin.c (machopic_function_base_name): Update.
5651         * config/score/score3.c (score3_compute_frame_size): Update.
5652         (rpush): Update.
5653         (rpop): Update.
5654         (score3_epilogue): Update.
5655         * config/score/score7.c (score7_compute_frame_size): Update.
5656         (score7_prologue): Update.
5657         (score7_epilogue): Update.
5658         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
5659         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
5660         * config/arm/arm.c (use_return_insn): Update.
5661         (require_pic_register): Update.
5662         (arm_load_pic_register): Update.
5663         (arm_compute_save_reg0_reg12_mask): Update.
5664         (arm_compute_save_reg_mask): Update.
5665         (thumb1_compute_save_reg_mask): Update.
5666         (output_return_instruction): Update.
5667         (arm_output_function_prologue): Update.
5668         (arm_output_epilogue): Update.
5669         (arm_get_frame_offsets): Update.
5670         (arm_expand_prologue): Update.
5671         (thumb_pushpop): Update.
5672         (thumb_exit): Update.
5673         (thumb1_expand_prologue): Update.
5674         (thumb1_expand_epilogue): Update.
5675         (arm_unwind_emit): Update.
5676         (arm_output_fn_unwind): Update.
5677         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
5678         * config/arm/arm.md: Update.
5679         * config/pa/pa.md: Update.
5680         * config/pa/pa.c (legitimize_pic_address): Update.
5681         (compute_frame_size): Update.
5682         (hppa_expand_prologue): Update.
5683         (hppa_expand_epilogue): Update.
5684         (borx_reg_operand): Update.
5685         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
5686         (HARD_REGNO_RENAME_OK): Update.
5687         * config/mips/mips.c (mips_global_pointer): Update.
5688         (mips_save_reg_p): Update.
5689         (mips_compute_frame_info): Update.
5690         (mips_frame_pointer_required): Update.
5691         (mips_expand_prologue): Update.
5692         (mips_expand_epilogue): Update.
5693         (mips_can_use_return_insn): Update.
5694         (mips_reorg_process_insns): Update.
5695         * config/v850/v850.c (compute_register_save_size): Update.
5696         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
5697         * config/mmix/mmix.c (along): Update.
5698         (mmix_expand_epilogue): Update.
5699         * config/bfin/bfin.c (legitimize_pic_address): Update.
5700         (must_save_p): Update.
5701         (stack_frame_needed_p): Update.
5702         (add_to_reg): Update.
5703         (bfin_expand_prologue): Update.
5704         * stmt.c (expand_asm_operands): Update.
5705         * reload1.c (reload): Update.
5706         (init_elim_table): Update.
5707
5708 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
5709         
5710         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
5711         
5712 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
5713
5714         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
5715         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
5716         (mov<mode>): Removed.
5717         (*movv4sf_internal): Likewise.
5718         (*movv2df_internal): Likewise.
5719
5720 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
5721
5722         * config.gcc (crx-*-elf): Remove deprecation.
5723
5724 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
5725
5726         * config/i386/cygming-crtend.c (register_frame_ctor): Register
5727         __gcc_deregister_frame with atexit.
5728         (deregister_frame_dtor): Remove.
5729
5730 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
5731             Nathan Sidwell  <nathan@codesourcery.com>
5732
5733         * config/rs6000/rs6000.opt (mspe): Remove Var property.
5734         (misel): Likewise.
5735         * config/rs6000/rs6000.h (rs6000_spe): Declare.
5736         (rs6000_isel): Likewise.
5737         * config/rs6000/rs6000.c (rs6000_spe): New variable.
5738         (rs6000_isel): New variable.
5739         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
5740
5741 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
5742
5743         PR c++/35758
5744         * c-common.c (handle_vector_size_attribute): Call
5745         lang_hooks.types.reconstruct_complex_type instead of
5746         reconstruct_complex_type.
5747         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
5748         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
5749         * langhooks.h (struct lang_hooks_for_types): Add
5750         reconstruct_complex_type hook.
5751         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
5752         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
5753
5754 2008-04-24  Richard Guenther  <rguenther@suse.de>
5755
5756         * c-common.h (check_builtin_function_arguments): Declare.
5757         * c-common.c (validate_nargs): New function.
5758         (check_builtin_function_arguments): Likewise.
5759         * c-typeck.c (build_function_call): Call
5760         check_builtin_function_arguments.
5761         * builtins.c (fold_builtin_classify): Remove error reporting code.
5762         (fold_builtin_unordered_cmp): Likewise.
5763         (fold_builtin_1): Likewise.
5764         (fold_builtin_n): Likewise.
5765
5766 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
5767
5768         PR tree-optimization/36008
5769         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
5770         the original op1, rather than delta by step.
5771
5772 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
5773             Sebastian Pop  <sebastian.pop@amd.com>
5774
5775         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
5776         eliminate_local_variables_stmt, eliminate_local_variables,
5777         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
5778         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
5779         of code delimited by two edges in the CFG.
5780         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
5781         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
5782         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
5783         the case of parallelisation of reductions.
5784         (expr_invariant_in_region_p): New.
5785
5786         * tree-flow.h (gather_blocks_in_sese_region): Declared.
5787         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
5788
5789 2008-04-24  Ira Rosen  <irar@il.ibm.com>
5790             Richard Guenther  <rguenther@suse.de>
5791
5792         PR tree-optimization/36034
5793         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
5794         incapable of dealing with loads with gaps.
5795
5796 2008-04-24  Rafael Espindola  <espindola@google.com>
5797
5798         * tree-flow.h (vrp_evaluate_conditional): Change signature.
5799         * tree-ssa-propagate.c (fold_predicate_in): Update call to
5800         vrp_evaluate_conditional.
5801         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
5802         (vrp_evaluate_conditional): Split the cond argument.
5803         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
5804         (simplify_stmt_for_jump_threading): Update call to
5805         vrp_evaluate_conditional.
5806
5807 2008-04-24  Ira Rosen  <irar@il.ibm.com>
5808
5809         PR tree-optimization/35982
5810         * tree-vect-analyze.c (vect_check_interleaving): Check that the
5811         interleaved data-refs are of the same type.
5812
5813 2008-04-24  Danny Smith  <dannysmith@users.net>
5814
5815         * c-format.c (check_format_info_main): Use strncmp rather than a
5816         magic prefix to handle multichar length specs.
5817         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
5818         Don't prefix "I64" and "I32" with '\0'.
5819
5820 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
5821
5822         PR target/36015
5823         * config/i386/i386.c (init_cumulative_args): Don't pass anything
5824         in registers for -m32 only if stdarg_p (fntype).
5825
5826 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
5827
5828         PR rtl-optimization/36006
5829         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
5830         temp to op0 in order to avoid invalid rtx sharing.
5831
5832 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
5833
5834         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
5835         check TREE_INVARIANT.
5836         * tree-gimple.c (is_gimple_address): New.
5837         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
5838         * tree-gimple.h (is_gimple_address): New.
5839         * tree.h (decl_address_invariant_p): New.
5840         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
5841         (build_string): Likewise.
5842         (decl_address_invariant_p): New, from is_gimple_invariant_address.
5843         (tree_invariant_p_1): Likewise.
5844         (save_expr): Use it.
5845         (tree_invariant_p): New.
5846         (skip_simple_arithmetic): Use it.
5847         (stabilize_reference_1): Use it.
5848         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
5849         simplify.
5850         (build1_stat): Drop code to compute TREE_INVARIANT.
5851         (build2_stat): Drop code to compute TREE_INVARIANT.
5852         (build3_stat): Drop code to compute TREE_INVARIANT.
5853         (build4_stat): Drop code to compute TREE_INVARIANT.
5854         (build5_stat): Drop code to compute TREE_INVARIANT.
5855         (build7_stat): Drop code to compute TREE_INVARIANT.
5856         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
5857         * tree.h (struct tree_base): Remove invariant_flag.
5858         (TREE_INVARIANT): Remove.
5859         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
5860         (fold_builtin_expect): Check TREE_CONSTANT.
5861         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
5862         * c-tree.h (c_expr_to_decl): Drop third parameter.
5863         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
5864         (build_c_cast): Don't set TREE_INVARIANT.
5865         (pop_init_level): Don't set TREE_INVARIANT.
5866         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
5867         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
5868         TREE_CONSTANT.
5869         (gimplify_init_constructor): Don't set TREE_INVARIANT.
5870         (gimplify_addr_expr): Adjust comment.
5871         * tree-mudflap.c (mf_build_string):
5872         * print-tree.c (print_node): Don't print TREE_INVARIANT.
5873         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
5874         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
5875         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
5876         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
5877         * langhooks.h (struct lang_hooks): Drop third parameter from
5878         expr_to_decl.
5879
5880 2008-04-23  Richard Guenther  <rguenther@suse.de>
5881
5882         PR tree-optimization/27799
5883         PR tree-optimization/32921
5884         PR tree-optimization/32624
5885         * tree-ssa-structalias.c (merge_smts_into): Only merge the
5886         SMTs aliases and the tag itself into the solution.
5887         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
5888         merge the points-to solution back into the SMT aliases.
5889         (may_alias_p): Use alias_set_subset_of instead of
5890         aliases_conflict_p.  A pointer which points to
5891         memory with alias set zero may access any variable.
5892
5893 2008-04-23  Richard Guenther  <rguenther@suse.de>
5894
5895         * alias.c (alias_set_subset_of): Correctly handle asking
5896         if zero is a subset of an alias set with zero child.
5897         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
5898         (compute_flow_insensitive_aliasing): Correctly walk all
5899         pointers.  Do not unnecessarily union sets.
5900
5901 2008-04-23  Richard Guenther  <rguenther@suse.de>
5902
5903         PR middle-end/36021
5904         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
5905
5906 2008-04-22  Tomas Bily  <tbily@suse.cz>
5907
5908         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
5909         unreachable case.
5910         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
5911         NON_LVALUE_EXPR.
5912         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
5913         * tree-ssa-structalias.c (get_constraint_for): Likewise.
5914         * tree-inline.c (estimate_num_insns_1): Likewise.
5915         * varasm.c (const_hash_1, compare_constant, copy_constant)
5916         (compute_reloc_for_constant, output_addressed_constants): Likewise.
5917         * emit-rtl.c (component_ref_for_mem_expr)
5918         (set_mem_attributes_minus_bitpos): Likewise.
5919         * expr.c (highest_pow2_factor, expand_expr_real_1, )
5920         (is_aligning_offset): Likewise.
5921         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
5922         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
5923         * dojump.c (do_jump): Likewise.
5924         * builtins.c (get_pointer_alignment, get_memory_rtx)
5925         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
5926         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
5927
5928 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
5929
5930         PR rtl-optimization/36017
5931         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
5932         expanding the library call.
5933
5934 2008-04-22  Ian Lance Taylor  <iant@google.com>
5935
5936         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
5937         than size_in_bytes.
5938
5939 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
5940
5941         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
5942         of LR/CTR moves for Power6.
5943
5944 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
5945
5946         PR middle-end/36003
5947         * passes.c (init_optimization_passes): Remove
5948         pass_fast_rtl_byte_dce.
5949         
5950 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
5951
5952         PR target/29096
5953         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
5954         builtin functions to generate faster code.
5955         (_mm_cvtpu16_ps): Ditto.
5956         (_mm_cvtpi32x2_ps): Ditto.
5957
5958 2008-04-22  Nick Clifton  <nickc@redhat.com>
5959
5960         * common.opt (ftree-loop-distribution): Add Optimization
5961         attribute.
5962
5963         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
5964         (frv_expand_builtin_va_start): Likewise.
5965
5966         * config/arm/arm.c (thumb_find_work_register): Fix location of
5967         argument register count.
5968
5969 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
5970
5971         Support scheduling for ColdFire V1 and V3 microarchitecture.
5972         Improve scheduling of multiplication instructions.
5973
5974         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
5975         (mac): New instruction attribute.
5976         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
5977         (m68k_sched_mac): New variable.
5978         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
5979         Handle cfv1 and cfv3.
5980         (max_insn_size): New static variable.
5981         (struct _sched_ib): New type.
5982         (sched_ib): New static variable.
5983         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
5984         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
5985         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
5986         Update.
5987         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
5988         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
5989         new variables.  Update.
5990         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
5991         Add modeling of cfv3 instruction buffer.  Update.
5992         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
5993         * config/m68k/m68k.h (TUNE_CFV3): New macro.
5994         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
5995         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
5996         a particular reservation applies to.
5997         (type2): Reorganize attribute values.  Rename alu to alu_reg,
5998         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
5999         to mul_l and mul_w.
6000         (cf_ib_*): Simplify description of instruction buffer.
6001         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
6002         (cf_mem): Split into cf_mem1 and cf_mem2.
6003         (cf_v2_move_??): Rename to cfv12_alu_??.
6004         (cf_v2_move_l_??): Rename to cfv12_omove_??.
6005         (cf_v2_mul_??): Remove reservations.
6006         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
6007         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
6008         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
6009         appropriate place.
6010         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
6011         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
6012         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
6013         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
6014         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
6015         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
6016         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
6017         expansions of the above reservations for instructions of sizes
6018         1, 2 and 3 words.
6019
6020 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
6021
6022         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
6023
6024 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
6025
6026         * coverage.c: Include tree-pass.h.
6027         (coverage_counter_alloc): Print da_file_name to the dump file.
6028
6029 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
6030
6031         * sbitmap.c (sbitmap_range_empty_p): New function.
6032         * sbitmap.h (sbitmap_range_empty_p): New function.
6033         * bitmap.h: Now includes obstack.h.
6034
6035 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
6036             Kenneth Zadeck  <zadeck@naturalbridge.com>
6037
6038         * dbgcnt.def (ra_byte_scan): Added.
6039         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
6040         when the last hit happens for a counter.  
6041         * timevar.def (TV_DF_BYTE_LR): New variable.
6042         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
6043         * passes.c (pass_fast_rtl_byte_dce): New pass.
6044         * fwprop.c (update_df): Added mode to call df_ref_create.
6045         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
6046         DF_REF_EXTRACT_OFFSET.
6047         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, 
6048         DF_BYTE_LR_OUT, df_byte_lr): New macro.
6049         (df_mm): New enum.
6050         (df_ref_extract): Added mode field.
6051         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
6052         DF_REF_EXTRACT_OFFSET.
6053         (DF_REF_EXTRACT_MODE): New macro.
6054         (df_byte_lr_bb_info): New structure.
6055         (df_print_byte_regset, df_compute_accessed_bytes, 
6056         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
6057         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
6058         df_byte_lr_simulate_uses,
6059         df_byte_lr_simulate_artificial_refs_at_top,
6060         df_byte_lr_simulate_artificial_refs_at_end,
6061         df_compute_accessed_bytes): New function.
6062         (df_ref_create): Add parameter.
6063         (df_byte_lr_get_bb_info): New inline function.
6064         * df-scan.c (df_ref_record, df_uses_record,
6065         df_ref_create_structure): Added mode parameter.
6066         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, 
6067         df_defs_record, df_uses_record, df_get_conditional_uses,
6068         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, 
6069         df_entry_block_defs_collect, df_exit_block_uses_collect):
6070         Added mode parameter to calls to df_ref_record, df_uses_record,
6071         df_ref_create_structure.
6072         (df_ref_equal_p, df_ref_compare): Added test for modes.
6073         (df_ref_create_structure): Added code to set mode.  Renamed
6074         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
6075         DF_REF_EXTRACT_OFFSET.
6076         * df-core.c (df_print_byte_regset): New function.
6077         * df-byte-scan.c: New file.
6078         * df-problems.c (df_rd_transfer_function): Removed unnecessary
6079         calls to BITMAP_FREE.  
6080         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
6081         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
6082         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, 
6083         df_byte_lr_check_regs, df_byte_lr_expand_bitmap, 
6084         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
6085         df_byte_lr_local_compute, df_byte_lr_init,
6086         df_byte_lr_confluence_0, df_byte_lr_confluence_n, 
6087         df_byte_lr_transfer_function, df_byte_lr_free, 
6088         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
6089         df_byte_lr_add_problem, df_byte_lr_simulate_defs, 
6090         df_byte_lr_simulate_uses,
6091         df_byte_lr_simulate_artificial_refs_at_top,
6092         df_byte_lr_simulate_artificial_refs_at_end): New function.
6093         * dce.c (byte_dce_process_block): New function.
6094         (dce_process_block): au is now passed in rather than computed
6095         locally.  Changed loops that look at artificial defs to not look
6096         for conditional or partial ones, because there never are any.  
6097         (fast_dce): Now is able to drive byte_dce_process_block or 
6098         dce_process_block depending on the kind of dce being done.
6099         (rest_of_handle_fast_dce): Add parameter to fast_dce.
6100         (rest_of_handle_fast_byte_dce): New function.
6101         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
6102         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
6103
6104 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
6105
6106         PR fortran/35019
6107         * gcc.h: Added fortran options that take arguments to
6108         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
6109         macros.
6110
6111 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
6112
6113         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
6114         scalarization if on the LHS and not a full access.
6115
6116 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6117
6118         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
6119
6120 2008-04-18  Rafael Espindola  <espindola@google.com>
6121
6122         * tree-vrp.c (find_case_label_index): Fix the binary search.
6123         (find_case_label_range): New.
6124         (vrp_visit_switch_stmt): Use find_case_label_range.
6125         (simplify_switch_using_ranges): Use find_case_label_range.
6126
6127 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
6128
6129         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
6130         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
6131
6132 2008-04-18  Tom Tromey  <tromey@redhat.com>
6133
6134         PR libcpp/15500:
6135         * doc/cpp.texi (Implementation-defined behavior): Mention
6136         -finput-charset.
6137
6138 2008-04-18  Ian Lance Taylor  <iant@google.com>
6139
6140         * fold-const.c (pointer_may_wrap_p): New static function.
6141         (fold_comparison): Add another test for pointer overflow.  Use
6142         pointer_may_wrap_p to disable some false positives.
6143
6144 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
6145           
6146         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
6147         (fname_as_string): Match updated cpp_interpret_string prototype.
6148         (fix_string_type): Support char16_t* and char32_t*.
6149         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
6150         derivative) nodes.  Register as builtin if C++0x.
6151         (c_parse_error): Support CPP_CHAR{16,32}.
6152         * c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
6153         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
6154         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
6155         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
6156         CTI_CHAR32_ARRAY_TYPE>: New elements.
6157         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
6158         char32_type_node, signed_char32_type_node, char16_array_type_node,
6159         char32_array_type_node): New defines.
6160         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
6161         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
6162         (lex_string): Support CPP_STRING{16,32}, match updated
6163         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
6164         (lex_charconst): Support CPP_CHAR{16,32}.
6165         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
6166         and CPP_STRING{16,32}.
6167
6168 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
6169
6170         PR bootstrap/35457
6171         * aclocal.m4: Regenerate.
6172         * configure: Regenerate.
6173
6174 2008-04-18  Jan Hubicka  <jh@suse.cz>
6175
6176         * except.c (dw2_size_of_call_site_table,
6177         sjlj_size_of_call_site_table): Use vector API for call_site_record.
6178
6179         * cgraphbuild.c (build_cgraph_edges): Update.
6180         * tree-pass.h: Update comment.
6181         * final.c (leaf_function_p): Update.
6182         (leaf_renumber_regs): Update.
6183         (rest_of_clean_state): Update.
6184         * omp-low.c (expand_omp_parallel): Update.
6185         * ipa-reference.c (analyze_function): Update.
6186         * reorg.c (find_end_label): Update.
6187         (optimize_skip): Update.
6188         (fill_simple_delay_slots): Update.
6189         (fill_simple_delay_slots): Update.
6190         (make_return_insns): Update.
6191         (dbr_schedule): Update.
6192         * gimple-low.c (record_vars_into): Update.
6193         * cfgbuild.c (make_edges): Update.
6194         * function.c (assign_stack_local): Update.
6195         (assign_parm_adjust_stack_rtl): Update.
6196         (locate_and_pad_parm): Update.
6197         (allocate_struct_function): Do not initialize stack_alignment_needed
6198         and preferred_stack_boundary here.
6199         (stack_protect_prologue): Update.
6200         (stack_protect_epilogue): Update.
6201         (expand_function_start): Initialize stack_alignment_needed,
6202         preferred_stack_boundary and max_jumptable_ents.
6203         (expand_function_end): Update.
6204         (free_after_compilation): Do not NULLify epilogue_delay_list.
6205         * function.h (struct rtl_data): Add stack_protect_guard,
6206         stack_alignment_needed,
6207         preferred_stack_boundary, epilogue_delay_list.
6208         (struct function): Remove value_histograms, stack_alignment_needed,
6209         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
6210         last_label_uid,
6211         unexpanded_var_list, stack_protect_guard.
6212         (current_function_epilogue_delay_list): Remove.
6213         * ipa-type-escape.c (analyze_function): Update.
6214         * gimplify.c (pop_gimplify_context): Update comment.
6215         * calls.c (expand_call): Update.
6216         (emit_library_call_value_1): Update.
6217         * except.c (set_nothrow_function_flags): Update.
6218         * cfgexpand.c (get_decl_align_unit): Update.
6219         (create_stack_guard): Update.
6220         (estimated_stack_frame_size): Update.
6221         (expand_used_vars): Update.
6222         (tree_expand_cfg): Free histogram earliers, init expansion variables.
6223         * explow.c (allocate_dynamic_stack_space): Update.
6224         * tree-ssa-live.c (remove_unused_locals): Update.
6225         * varasm.c (mark_constant_pool): Update.
6226         * tree-inline.c (remap_decls): Update.
6227         (initialize_cfun): Update.
6228         (declare_return_variable): Update.
6229         (inline_forbidden_p): Update.
6230         (expand_call_inline): Update.
6231         (declare_inline_vars): Update.
6232         (tree_function_versioning): Update.
6233         * tree-flow.h (value_histograms): New.
6234         (VALUE_HISTOGRAMS): New macro.
6235         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
6236         last_label_uid.
6237         * tree-cfg.c (set_bb_for_stmt): Update.
6238         (replace_by_duplicate_decl): Update.
6239         (move_block_to_fn): Update.
6240         (new_label_mapper): Update.
6241         (dump_function_to_file): Update.
6242         * ipa-struct-reorg.c (build_data_structure): Update.
6243         * cfgrtl.c (print_rtl_with_bb): Update.
6244         * reload1.c (reload): Update.
6245         (reload): Update.
6246         * config/i386/i386.c (setup_incoming_varargs_64,
6247         ix86_compute_frame_layout): Update.
6248         * config/arc/arc.c (arc_output_function_epilogue): Update.
6249
6250 2008-04-18  Marius Strobl <marius@FreeBSD.org>
6251
6252         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
6253         for FreeBSD as well.
6254         * gthr-posix95.h: Likewise.
6255
6256 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
6257
6258         PR rtl-optimization/35838
6259         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
6260         out the byte offset of the first subreg.
6261
6262 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
6263
6264         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
6265         to split_ti instead of three separate calls with single member arrays.
6266         (subti3 splitter): Ditto.
6267         (adddi3 splitter): Ditto with split_di.
6268         (subdi3 splitter): Ditto.
6269         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
6270         two separate calls with single member arrays.  Swap match_dup
6271         operands 1 and 2 to better fit into the array.
6272         (negdi2 splitter): Ditto with split_di.
6273         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
6274         two separate calls with single member arrays.  Swap match_dup operands
6275         6 and 7 to better fit into the array.
6276
6277 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
6278
6279         * config/i386/i386.c (sse_builtin_type): New.
6280         (bdesc_sse_args): Likewise.
6281         (bdesc_sse_3arg): Removed.
6282         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
6283         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
6284         IX86_BUILTIN_ROUNDPS.
6285         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
6286         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
6287         IX86_BUILTIN_ROUNDPS.
6288         (ix86_expand_sse_4_operands_builtin): Removed.
6289         (ix86_expand_sse_operands_builtin): New.
6290         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
6291         and CODE_FOR_sse4_1_roundps.
6292         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
6293         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
6294
6295 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
6296
6297         PR target/35907
6298         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
6299         regs before frame pop when needed.  If use_backchain_to_restore_sp
6300         then load backchain into a temp reg to restore vr and vrsave.  Add
6301         code to restore vr after frame pop if possible.
6302
6303 2008-04-17  Richard Guenther  <rguenther@suse.de>
6304
6305         * tree-vn.c (expressions_equal_p): Do not check type
6306         equality or compatibility before calling operand_equal_p.
6307         * fold-const.c (operand_equal_p): Check equivalence of
6308         integer constants before bailing out due to signedness or
6309         precision differences.
6310         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
6311         spurious differences in type qualification.  Ignore types
6312         for COMPONENT_REFs at all.
6313
6314 2008-04-17  Christian Bruel  <christian.bruel@st.com>
6315
6316         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
6317         msw_skip comparison.
6318         
6319 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
6320
6321         PR c/35739
6322         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
6323         reg type.
6324
6325         PR tree-optimization/35899
6326         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
6327         rather than TREE_OPERAND.
6328
6329 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
6330
6331         PR target/35944
6332         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
6333         temporary registers.  Change operand predicate to general_operand.
6334         (remainderxf3): Ditto.
6335
6336 2008-04-16  Richard Guenther  <rguenther@suse.de>
6337
6338         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
6339         * tree-affine.c (aff_combination_expand): Look through some
6340         conversions.
6341
6342 2008-04-15  Doug Kwan  <dougkwan@google.com>
6343
6344         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
6345         for hex printing.
6346         * tree-pretty-print.c (dump_generic_node): Ditto.
6347         * final.c (output_addr_const): Ditto.
6348         * dwarf2out.c (output_cfi): Ditto.
6349         * c-pretty-print.c (pp_c_integer_constant): Ditto.
6350         * print-rtl.c (print_rtx): Ditto.
6351         * print-tree.c (print_node_brief, print_node): Ditto.
6352         * c-common.c (match_case_to_enum_1): Ditto.
6353         * sched-vis.c (print_value): Ditto.
6354         * config/i386/i386.c (print_operand): Cast to long unsigned int
6355         for hex printing.
6356
6357 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
6358         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
6359         MS Windows VirtualProtect function.
6360
6361 2008-04-15  Jan Hubicka  <jh@suse.cz>
6362
6363         * gengtype.c (write_root): Param_is argument is OK.
6364         * expr.c (expand_expr_real_1): Update call of get_exception_*.
6365         * function.h: Include varray.h
6366         (rtl_eh): New stucture based on except.c one.
6367         (call_site_record): New forward declaration and vector type.
6368         * calls.c (emit_call_1): Do not call
6369         note_current_region_may_contain_throw.
6370         * except.c (eh_status): Remove cur_region, try_region since they are
6371         unused.
6372         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
6373         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
6374         sjlj_fc, sjlj_exit_after to rth_eh in function.h. 
6375         Remove call_site_data_used, call_site_data_size.
6376         Turn call_site_record into vector in function.h.
6377         (note_current_region_may_contain_throw): Remove.
6378         (get_exception_pointer, get_exception_filter): Do not take struct
6379         function argument; update.
6380         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
6381         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
6382         build_post_landing_pads, dw2_build_landing_pads,
6383         sjlj_assign_call_site_values, sjlj_mark_call_sites,
6384         sjlj_emit_function_enter, sjlj_emit_function_enter, 
6385         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
6386         sjlj_build_landing_pads, finish_eh_generation,
6387         remove_exception_handler_label, remove_eh_handler,
6388         maybe_remove_eh_handler, add_reachable_handler,
6389         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
6390         add_action_record, collect_one_action_chain, add_call_site,
6391         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
6392         sjlj_output_call_site_table, output_function_exception_table,
6393         * except.h (note_current_region_may_contain_throw): Remove
6394         (get_exception_pointer, get_exception_filter): Do not take struct
6395         function argument.
6396         * Makefile.in (GTFILES): Put varargs before struct function.
6397
6398 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
6399
6400         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
6401         punt for STRING_CST.
6402         (get_constraint_for): Deal with STRING_CST here instead.
6403
6404 2008-04-15  Richard Guenther  <rguenther@suse.de>
6405
6406         * tree-ssa-propagate.c (substitute_and_fold): Substitute
6407         statements in a basic-block with a backward walk.  Do not
6408         substitute into dead statements but instead remove those.
6409
6410 2008-04-15  Richard Guenther  <rguenther@suse.de>
6411
6412         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
6413         to zero, thus disable creation of SFTs.
6414
6415 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
6416
6417         * tree-predcom.c (suitable_reference_p): Return false if the
6418         reference can throw.
6419
6420 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
6421
6422         PR c/35751
6423         * c-decl.c (finish_decl): If extern or static var has variable
6424         size, set TREE_TYPE (decl) to error_mark_node.
6425
6426 2008-04-15  Rafael Espindola  <espindola@google.com>
6427
6428         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
6429         variable arg1.
6430
6431 2008-04-15  Richard Guenther  <rguenther@suse.de>
6432
6433         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
6434         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
6435         (visit_reference_op_load): Do walk vuse-vdef chains on
6436         vn_reference_lookup.
6437         (visit_reference_op_store): But do not here.
6438         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
6439         vn_reference_lookup.
6440         (vn_lookup_with_vuses): But do so here.
6441
6442 2008-04-14  Ian Lance Taylor  <iant@google.com>
6443
6444         * fold-const.c (fold_overflow_warning): Remove assertion.
6445
6446 2008-04-15  Ben Elliston  <bje@au.ibm.com>
6447
6448         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
6449         temp1 local variables.
6450
6451 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
6452
6453         PR target/35661
6454         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
6455         ".text.unlikely" section as executable.
6456
6457 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
6458
6459         * config/ia64/ia64.c (rtx_needs_barrier): Handle
6460         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
6461         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
6462         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
6463         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
6464         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
6465         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
6466
6467 2008-04-14  Ian Lance Taylor  <iant@google.com>
6468
6469         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
6470         * fold-const.c (fold_comparison): If appropriate, test
6471         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
6472         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
6473         reassociating a pointer type.
6474         * doc/invoke.texi (Optimize Options): Document that
6475         -fstrict-overflow applies to pointer wraparound.
6476
6477 2008-04-13  Jan Hubicka  <jh@suse.cz>
6478
6479         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
6480
6481 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
6482
6483         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
6484         we are going to "save the world".
6485
6486 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
6487
6488         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
6489         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
6490         operand 0 constraint, not "=".
6491
6492 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
6493
6494         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
6495
6496 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
6497
6498         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
6499         of size of positions_needed * CHAR_BIT.
6500
6501 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
6502
6503         PR middle-end/35897
6504         * dse.c (store_info): Change positions_needed to unsigned
6505         HOST_WIDE_INT.
6506         (lowpart_bitmask): New.
6507         (record_store): Cast to unsigned HOST_WIDE_INT for
6508         positions_needed.  Assert width <= size of positions_needed *
6509         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
6510         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
6511         lowpart_bitmask to set mask.
6512
6513 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
6514
6515         * config/bfin/constraints.md: New file.
6516         * config/bfin/bfin.md: Include it.
6517         (adddi3): Use satisfies_constraint functions instead of the old macros.
6518         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
6519         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
6520         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
6521         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
6522         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
6523         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
6524         EXTRA_CONSTRAINT): Delete.
6525         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
6526         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
6527         of the old macros.
6528         * config/bfin/bfin.c: Include "tm-constrs.h".
6529         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
6530         Use satisfies_constraint functions instead of the old macros.
6531         * doc/md.texi (Blackfin Constraints): Update file name reference.
6532
6533 2008-04-11  Richard Guenther  <rguenther@suse.de>
6534
6535         PR tree-optimization/35869
6536         * tree-vrp.c (execute_vrp): Move switch statement update after
6537         jump threading.  Schedule another cfg cleanup run.
6538
6539 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
6540
6541         PR c/35744
6542         * attribs.c (decl_attributes): Return early on errorneous node.
6543
6544 2008-04-10  Oleg Ryjkov  <olegr@google.com>
6545
6546         * tree.h (struct tree_base): Added a new flag default_def_flag.
6547         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
6548
6549 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
6550
6551         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
6552
6553 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6554
6555         PR target/35768
6556         * pa.md: Define mode iterator P.  Define mode attribute dwc.
6557         (dcacheflush): Update pattern to use iterator P and attribute dwc.
6558         (icacheflush): Likewise.
6559         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
6560         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
6561
6562 2008-04-11  Ben Elliston  <bje@au.ibm.com>
6563
6564         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
6565
6566 2008-04-10  Rafael Espindola  <espindola@google.com>
6567
6568         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
6569         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
6570         (extract_range_from_expr): The same.
6571
6572 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
6573
6574         * config/mips/mips.md (GPR2): New mode iterator.
6575         (seq): Add comment.
6576         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
6577         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
6578         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
6579         Rewrite these to take two modes, the mode of comparison and the
6580         mode of the destination.
6581         * config/mips/mips.c (mips_expand_scc): Instead of having
6582         paradoxical subreg as destination, expand "narrowing" scc if mode
6583         of comparison is SI and target is requested in DI mode.
6584         (mips_emit_int_order_test): Update comment.  Make mode of
6585         comparison match CMP0 rather than TARGET.  When creating inverse
6586         target use mode of TARGET.
6587
6588 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
6589
6590         * gcov-dump.c (tag_summary): Only print summaries for the first
6591         GCOV_COUNTERS_SUMMABLE counters.
6592
6593 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
6594
6595         * config/i386/i386.md (absneg): New code iterator.
6596         (absnegprefix): New code attribute.
6597         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
6598         patterns using absneg code iterator.
6599         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
6600         using absneg code iterator.
6601         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
6602         *neg<mode>2 patterns using absneg code iterator.
6603         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
6604         *negextendsfdf2 patterns using absneg code iterator.
6605         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
6606         *negextendsfxf2 patterns using absneg code iterator.
6607         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
6608         *negextendsfdf2 patterns using absneg code iterator.
6609         * config/i386/sse.md (<code><mode>2): Macroize expander from
6610         abs<mode>2 and neg<mode>2 patterns using absneg code iterator. 
6611
6612 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
6613
6614         * config/s390/s390.h: Remove the remains of the recent search
6615         & replace action of current_function_outgoing_args_size.
6616
6617 2008-04-10  Ira Rosen  <irar@il.ibm.com>
6618
6619         PR tree-optimization/35821
6620         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
6621         NEW_STMT_LIST is not NULL.
6622
6623 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
6624
6625         PR libstdc++/35597
6626         * toplev.c (process_options): Remove -ffunction-sections debugging
6627         warning.
6628
6629 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
6630
6631         PR middle-end/PR28690
6632         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
6633         than gen_rtx_fmt_ee to perform more canonicalizations.
6634
6635 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6636
6637         PR driver/35665
6638         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
6639
6640 2008-04-09  Richard Guenther  <rguenther@suse.de>
6641
6642         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
6643         (dump_function_to_file): Dump function arguments with types.
6644
6645 2008-04-08  Richard Guenther  <rguenther@suse.de>
6646
6647         * fold-const.c (fold_widened_comparison): Do not allow
6648         sign-changes that change the result.
6649
6650 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
6651
6652         PR target/35839
6653         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
6654         kinds of indirect references.
6655
6656 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
6657
6658         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
6659         GNU Fortran language string.
6660
6661 2008-04-08  Rafael Espindola  <espindola@google.com>
6662
6663         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
6664         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
6665         * tree.h (tree_call_nonnegative_warnv_p): New.
6666
6667 2008-04-08  Jan Hubicka  <jh@suse.cz>
6668
6669         * function.c (free_after_compilation): Clear out regno_reg_rtx
6670         pointer.
6671
6672 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
6673
6674         Revert
6675         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
6676
6677         PR middle-end/PR28690
6678         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
6679         same precedence as REG_POINTER and MEM_POINTER operands.
6680
6681 2008-04-08  Richard Guenther  <rguenther@suse.de>
6682
6683         PR middle-end/35834
6684         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
6685         for adding index to base.
6686
6687 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
6688
6689         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
6690         (MINGW_ENABLE_EXECUTE_STACK): New.
6691         (IN_LIBGCC2): For libgcc include windows.h file for
6692         function declarations.
6693
6694 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
6695
6696         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
6697         and tem2 if tem1 is not a REG or MULT.
6698
6699 2008-04-08  Jan Hubicka  <jh@suse.cz>
6700
6701         * function.h (incomming_args): Break out of struct function.
6702         (function_subsections): Break out of struct function.
6703         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
6704         return_rtx and hard_reg_initial_vals from struct function.
6705         Kill inl_max_label_num.
6706         (current_function_pops_args, current_function_args_info,
6707         current_function_args_size, current_function_args_size,
6708         current_function_pretend_args_size,
6709         current_function_outgoing_args_size,
6710         current_function_internal_arg_pointer, current_function_return_rtx):
6711         Kill compatibility accestor macros.
6712         * builtins.c (expand_builtin_apply_args_1): Update.
6713         (expand_builtin_next_arg): Update.
6714         * df-scan.c (df_get_call_refs): Update.
6715         * dbxout.c (dbxout_function_end): Update.
6716         * dwarf2out.c (dwarf2out_switch_text_section): Update.
6717         (output_line_info): Update.
6718         (secname_for_decl): Update.
6719         (dwarf2out_var_location): Update.
6720         * function.c (free_after_compilation): Update.
6721         (assign_parm_find_stack_rtl): Update.
6722         (assign_parms): Update.
6723         (expand_dummy_function_end): Update.
6724         (expand_function_end): Update.
6725         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
6726         (expand_call): Update.
6727         (emit_library_call_value_1): Update.
6728         (store_one_arg): Update.
6729         * varasm.c (initialize_cold_section_name): Update.
6730         (unlikely_text_section): Update.
6731         (unlikely_text_section_p): Update.
6732         (assemble_start_function): Update.
6733         (assemble_end_function): Update.
6734         (default_section_type_flags): Update.
6735         (switch_to_section): Update.
6736         * integrate.c (set_decl_abstract_flags): Update.
6737         (get_hard_reg_initial_val): Update.
6738         (has_hard_reg_initial_val): Update.
6739         (allocate_initial_values): Update.
6740         * resource.c (init_resource_info): Update.
6741         * config/alpha/alpha.c (NUM_ARGS): Update.
6742         (direct_return): Update.
6743         (alpha_va_start): Update.
6744         (alpha_sa_size): Update.
6745         (alpha_initial_elimination_offset): Update.
6746         (alpha_expand_prologue): Update.
6747         (alpha_start_function): Update.
6748         (alpha_expand_epilogue): Update.
6749         (unicosmk_initial_elimination_offset):
6750         * config/alpha/alpha.md (call expander): Update.
6751         * config/s390/s390.c (s390_register_info): Update.
6752         (s390_register_info): Update.
6753         (s390_frame_info): Update.
6754         (s390_initial_elimination_offset): Update.
6755         (s390_build_builtin_va_list): Update.
6756         (s390_va_start): Update.
6757         * config/spu/spu.c (direct_return): Update.
6758         (spu_expand_prologue): Update.
6759         (spu_initial_elimination_offset): Update.
6760         (spu_build_builtin_va_list): Update.
6761         (spu_va_start): Update.
6762         * config/sparc/sparc.c (sparc_init_modes): Update.
6763         (sparc_compute_frame_size): Update.
6764         (function_value): Update.
6765         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
6766         * config/i386/i386.md (return expander): Update.
6767         * config/i386/i386.c (ix86_va_start): Update.
6768         (ix86_can_use_return_insn_p): Update.
6769         (ix86_compute_frame_layout): Update.
6770         (ix86_expand_epilogue): Update.
6771         * config/sh/sh.c (output_stack_adjust): Update.
6772         (calc_live_regs): Update.
6773         (sh_expand_prologue): Update.
6774         (sh_builtin_saveregs): Update.
6775         (sh_va_start): Update.
6776         (initial_elimination_offset): Update.
6777         (sh_allocate_initial_value): Update.
6778         (sh_function_ok_for_sibcall): Update.
6779         (sh_get_pr_initial_val): Update.
6780         * config/sh/sh.md (return expander): Update.
6781         * config/avr/avr.c (frame_pointer_required_p): UPdate.
6782         * config/crx/crx.c (crx_compute_frame): UPdate.
6783         (crx_initial_elimination_offset): UPdate.
6784         * config/xtensa/xtensa.c (compute_frame_size): Update
6785         (xtensa_builtin_saveregs): Update.
6786         (xtensa_va_start): Update.
6787         (order_regs_for_local_alloc): Update.
6788         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
6789         (xstormy16_expand_builtin_va_start): Update.
6790         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
6791         * config/m68hc11/m68hc11.md (return expanders): Update.
6792         * config/m68hc11/m68hc11.c (expand_prologue): Update.
6793         (expand_epilogue): Update.
6794         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
6795         (cris_simple_epilogue): Update.
6796         (cris_expand_prologue): Update.
6797         (cris_expand_epilogue): Update.
6798         * config/iq2000/iq2000.c (iq2000_va_start): Update.
6799         (compute_frame_size): Update.
6800         * config/mt/mt.c (mt_compute_frame_size): Update.
6801         * config/mn10300/mn10300.c (expand_prologue): Update.
6802         (expand_epilogue): Update.
6803         (initial_offset): Update.
6804         (mn10300_builtin_saveregs):
6805         * config/mn10300/mn10300.md (return expander): Update.
6806         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
6807         (ia64_initial_elimination_offset): Update.
6808         (ia64_initial_elimination_offset): Update.
6809         (ia64_expand_prologue): Update.
6810         * config/m68k/m68k.md (return expander): Update.
6811         * config/rs6000/rs6000.c (rs6000_va_start): Update.
6812         (rs6000_stack_info): Update.
6813         * config/mcore/mcore.c (layout_mcore_frame): Update.
6814         (mcore_expand_prolog): Update.
6815         * config/arc/arc.c (arc_compute_frame_size): Update.
6816         * config/score/score3.c (score3_compute_frame_size): Update.
6817         * config/score/score7.c (score7_compute_frame_size): Update.
6818         * config/arm/arm.c (use_return_insn): Update.
6819         (thumb_find_work_register): Update.
6820         (arm_compute_save_reg_mask): Update.
6821         (arm_output_function_prologue): Update.
6822         (arm_output_epilogue): Update.
6823         (arm_size_return_regs): Update.
6824         (arm_get_frame_offsets): Update.
6825         (arm_expand_prologue): Update.
6826         (thumb_exit): Update.
6827         (thumb_unexpanded_epilogue): Update.
6828         (thumb1_output_function_prologue): Update.
6829         * config/pa/pa.md (return expander): Update.
6830         * config/pa/pa.c (compute_frame_size): Update.
6831         (hppa_builtin_saveregs): Update.
6832         * config/mips/mips.c (mips_va_start): Update.
6833         (mips16_build_function_stub): Update.
6834         (mips_compute_frame_info): Update.
6835         (mips_restore_gp): Update.
6836         (mips_output_function_prologue): Update.
6837         (mips_expand_prologue): Update.
6838         * config/v850/v850.c (compute_frame_size): Update.
6839         (expand_prologue): * config/mmix/mmix.c (along): update.
6840         (mmix_initial_elimination_offset): update.
6841         (mmix_reorg): update.
6842         (mmix_use_simple_return): update.
6843         (mmix_expand_prologue): update.
6844         (mmix_expand_epilogue): Update.
6845         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
6846         (emit_link_insn): Update.
6847
6848 2008-04-08  Anatoly Sokolov <aesok@post.ru>
6849
6850         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define 
6851         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL 
6852         instructions.
6853         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for 
6854         atmega103 device.
6855
6856 2008-04-07  Jan Hubicka  <jh@suse.cz>
6857
6858         * function.h (rtl): Rename to x_rtl.
6859         (crtl): New define.
6860         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
6861         frame_offset, stack_check_probe_note, arg_pointer_save_area,
6862         used_temp_slots avail_temp_slots, temp_slot_level,
6863         nonlocal_goto_handler_labels): Update accesstors.
6864         (rtl): New global variable.
6865         (struct function): Move some fileds to rtl_data.
6866         (get_arg_pointer_save_area): Update prototype.
6867         * builtins.c (expand_builtin_setjmp_receiver): Update call of
6868         get_arg_pointer_save_area.
6869         * expr.c (init_expr): Update
6870         * function.c (get_frame_size): Update
6871         (assign_stack_local): Update
6872         (expand_function_end): Update.
6873         (get_art_pointer_save_area): Update
6874         * function.h 
6875         * emit-rtl.c (rtl): Declare.
6876         (regno_reg_rtx): Declare.
6877         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
6878         Update.
6879         (gen_reg_rtx): Update.
6880         * varasm.c (n_deferred_constatns): Update accestor.
6881         (init_varasm_status): Do not allocate varasm_status.
6882         (force_const_mem, get_pool_size, output_constant_pool): Update.
6883         * stmt.c (force_label_rtx): Do not use x_ prefixes.
6884         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
6885         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
6886         * sparc/sparc.h (INIT_EXPANDERS): Update.
6887         * ia64/ia64.h (INIT_EXPANDERS): Update.
6888
6889 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
6890
6891         * reload.c (push_secondary_reload): Add missing break to for loop.
6892
6893 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
6894
6895         PR middle-end/PR28690
6896         * rtlanal.c: Update copyright years.
6897         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
6898         as REG_POINTER and MEM_POINTER operands.
6899         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
6900         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
6901         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
6902         * gcse.c: Update copyright years.
6903         (pre_delete): Call gen_reg_rtx_and_attrs.
6904         (hoist_code): Likewise.
6905         (build_store_vectors): Likewise.
6906         (delete_store): Likewise.
6907         * loop-invariant.c (move_invariant_reg): Likewise.
6908         Update copyright years.
6909
6910 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
6911
6912         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
6913         control string instead of quoted.
6914
6915 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
6916
6917         * doc/rtl.texi: Rewrite of subreg section.
6918
6919 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
6920
6921         PR/35842
6922         * config/i386/i386.c (legitimize_pic_address): Add treating
6923         of dllimport SYM_REF's.
6924         (legitimize_dllimport_symbol): Add prototype.
6925
6926 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
6927
6928         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
6929         reference in constructor with non self-referential type.
6930
6931 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
6932
6933         Removal of Return with Depressed Stack Pointer support
6934         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
6935         (ECF_SP_DEPRESSED): Likewise.
6936         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
6937         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
6938         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
6939         (expand_call): Do not test ECF_SP_DEPRESSED.
6940         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
6941         * function.c (keep_stack_depressed): Delete.
6942         (handle_epilogue_set): Likewise.
6943         (update_epilogue_consts): Likewise.
6944         (emit_equiv_load): Likewise.
6945         (thread_prologue_and_epilogue_insns): Remove support for Return with
6946         Depressed Stack Pointer.
6947         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
6948
6949 2008-04-06  Richard Guenther  <rguenther@suse.de>
6950
6951         PR tree-optimization/35400
6952         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
6953         information from SSA_NAMEs.
6954
6955 2008-04-06  Anatoly Sokolov <aesok@post.ru>
6956
6957         * config/avr/avr.h (avr_mega_p): Remove declaration.
6958         (AVR_MEGA): Remove macro.
6959         * config/avr/avr.c (avr_mega_p): Remove variable.
6960         (avr_override_options): Remove inicializion of avr_mega_p.
6961         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
6962         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
6963         (avr_jump_mode): (Ditto.).
6964         (avr_output_progmem_section_asm_op): (Ditto.).
6965         (avr_asm_init_sections): (Ditto.).
6966         (avr_asm_init_sections): (Ditto.).
6967         (avr_rtx_costs): (Ditto.).
6968         * config/avr/avr.md: (Ditto.).
6969         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
6970         '__AVR_MEGA__'.
6971
6972 2008-04-06  Richard Guenther  <rguenther@suse.de>
6973
6974         PR tree-optimization/35842
6975         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
6976         is_gimple_invariant_address.
6977
6978 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
6979
6980         * gcc.c (default_compilers): Sync Fortran extensions list with
6981         that in fortran/lang-specs.h.
6982         * doc/invoke.texi: Likewise.
6983         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
6984         * dwarf2out.c (gen_compile_unit_die): Likewise.
6985
6986 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
6987
6988         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
6989
6990 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
6991
6992         PR target/12329
6993         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
6994         attribute is used for nested functions.
6995
6996 2008-04-05  Jan Hubicka  <jh@suse.cz>
6997
6998         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
6999
7000         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
7001         letter argument.
7002         (dump_files): Update.
7003         (enable_rtl_dump_file): Do not accept letter argument.
7004         * tree-pass.h (dump_file_info): Remove letter argument.
7005         * toplev.c (decode_d_option): Update -da handling.
7006         * toplev.h (enable_rtl_dump_file): Update prototype.
7007         * passes.c (register_one_dump_file): Do not accept IPA argument; work
7008         it out based on pass type.
7009         (register_dump_files_1): Likewise.
7010         (init_optimization_passes): Update register_one_dump_file calls.
7011         (execute_one_pass): Sanity check that IPA passes are called at IPA
7012         level and RTL passes at RTL level.
7013         (execute_pass_list): IPA pass can not be after or subpass of
7014         GIMPLE/RTL pass.
7015         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
7016         disallov RTL subpasses of IPA subpasses.
7017
7018 2008-04-05  Ben Elliston  <bje@au.ibm.com>
7019
7020         * tree-cfg.c (need_fake_edge_p): Return false for calls to
7021         builtins that return exactly once and do not throw. Cache call to
7022         call_expr_flags.
7023
7024 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
7025
7026         PR rtl-optimization/34916
7027         PR middle-end/35519
7028         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
7029         between instruction pairs.
7030
7031 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
7032
7033         * doc/invoke.texi: Document -mbitops for SH.
7034         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
7035         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
7036         * config/sh/sh.c (print_operand): Add %t operand code.
7037         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
7038         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
7039         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
7040         (extendqihi2): Likewise.
7041         (movqi_i): Likewise.
7042         (insv): Use bset, bclr and bst instructions for SH2A if possible.
7043         (extv): Use bld instruction for SH2A if possible.
7044         (extzv): Likewise.
7045         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
7046         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
7047         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
7048         (bset.b, bclr.b): Define peepholes.
7049         * config/sh/sh.opt (mbitops): New option.
7050
7051 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
7052
7053         PR target/35620
7054         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
7055         and view convert expression.
7056
7057 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
7058
7059         PR target/35364
7060         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
7061
7062 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
7063
7064         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
7065
7066         * config/i386/cpuid.h (bit_AES): New.
7067         (bit_PCLMUL): Likewise.
7068
7069         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
7070         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
7071         SSE2 if AES or PCLMUL is enabled.
7072         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
7073         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
7074         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
7075         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
7076         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
7077         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
7078         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
7079         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
7080         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
7081         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
7082         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
7083         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
7084         __builtin_ia32_aeskeygenassist128 and
7085         __builtin_ia32_pclmulqdq128.
7086         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
7087         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
7088         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
7089
7090         * config/i386/i386.h (TARGET_AES): New.
7091         (TARGET_PCLMUL): Likewise.
7092         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
7093
7094         * config/i386/i386.md (UNSPEC_AESENC): New.
7095         (UNSPEC_AESENCLAST): Likewise.
7096         (UNSPEC_AESDEC): Likewise.
7097         (UNSPEC_AESDECLAST): Likewise.
7098         (UNSPEC_AESIMC): Likewise.
7099         (UNSPEC_AESKEYGENASSIST): Likewise.
7100         (UNSPEC_PCLMUL): Likewise.
7101
7102         * config/i386/i386.opt (maes): New.
7103         (mpclmul): Likewise.
7104
7105         * config/i386/sse.md (aesenc): New pattern.
7106         (aesenclast): Likewise.
7107         (aesdec): Likewise.
7108         (aesdeclast): Likewise.
7109         (aesimc): Likewise.
7110         (aeskeygenassist): Likewise.
7111         (pclmulqdq): Likewise.
7112
7113         * config/i386/wmmintrin.h: New.
7114
7115         * doc/extend.texi: Document AES and PCLMUL built-in function.
7116
7117         * doc/invoke.texi: Document -maes and -mpclmul.
7118
7119 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
7120
7121         * function.c (free_after_parsing): Replace with
7122         cxx_push_function_context from C++ front-end.
7123         (allocate_struct_function): Don't call langhook.
7124         * langhooks.h (struct lang_hooks_for_functions): Delete.
7125         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
7126         member "function".
7127         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
7128         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
7129         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
7130         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
7131         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
7132         remove LANG_HOOKS_FUNCTION_INITIALIZER.
7133         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
7134
7135         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
7136         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
7137         
7138 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
7139
7140         PR c/35440
7141         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
7142         for all types.
7143
7144 2008-04-04  Richard Guenther  <rguenther@suse.de>
7145
7146         PR middle-end/35823
7147         * fold-const.c (optimize_minmax_comparison): Use the correct
7148         type for the constant in the simplified comparison.
7149
7150 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
7151
7152         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
7153         Pass L2 size as "--param l2-cache-size" to the compiler.
7154         (decode_l2_cache): New function to decode L2 cache parameters using
7155         0x8000006 extended cpuid function.
7156         (detect_caches_amd): Determine parameters of L2 cache using
7157         decode_l2_caches function.
7158         (decode_caches_intel): Decode L2 cache parameters.
7159         (detect_caches_intel): Determine L2 cache parameters using
7160         decode_caches_intel and decode_l2_caches functions.
7161
7162 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
7163
7164         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
7165         secondary input reload for subword loads from the constant pool.
7166
7167 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
7168
7169         PR target/35713
7170         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
7171           constants of the appropriate size for runtime calculations.
7172
7173         PR c/35712
7174         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
7175           decimal-float literal constant zero.
7176
7177 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
7178
7179         PR c/35738
7180         * c-parser.c (c_parser_omp_atomic): Call
7181         default_function_array_conversion on the RHS.
7182
7183         PR middle-end/35818
7184         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
7185         call is_variable_sized if decl has incomplete type.
7186
7187 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
7188
7189         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
7190
7191 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
7192
7193         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
7194         iterators.
7195         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
7196         (sgt<u>): Merge sgt and sgtu into new expander.
7197         (sgt, sgtu): Remove expanders.
7198         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
7199         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
7200         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
7201         *sgtu_<mode>_mips16 into new pattern.
7202         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
7203         (sge<u>): Merge sge and sgeu into new expander.
7204         (sge, sgeu): Remove expanders.
7205         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
7206         new pattern.
7207         (*sge_<mode>, second *sge_<mode>): Remove patterns.
7208         (slt<u>): Merge slt and sltu into new expander.
7209         (slt, sltu): Remove expanders.
7210         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
7211         (*slt_<mode>, *sltu_<mode>): Remove patterns.
7212         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
7213         *sltu_<mode>_mips16 into new pattern.
7214         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
7215         (sle<u>): Merge sle and sleu into new expander.
7216         (sle, sleu): Remove expanders.
7217         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
7218         (*sle_<mode>, *sleu_<mode>): Remove patterns.
7219         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
7220         *sleu_<mode>_mips16 into new pattern.
7221         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
7222
7223 2008-04-03  Jan Hubicka  <jh@suse.cz>
7224
7225         PR tree-optimization/35795
7226         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
7227         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
7228         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
7229         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
7230         * score/score3.c (score3_output_mi_thunk): Likewise.
7231         * score/score7.c (score7_output_mi_thunk): Likewise.
7232         * mips/mips.c (mips_output_mi_thunk): Likewise.
7233
7234 2008-04-03  Richard Guenther  <rguenther@suse.de>
7235
7236         * tree-vrp.c (extract_range_from_unary_expr): Handle all
7237         conversions.  Simplify code.
7238
7239 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
7240
7241         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
7242
7243 2008-04-03  Tom Tromey  <tromey@redhat.com>
7244             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7245
7246         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
7247         * config/bfin/t-bfin-linux (generated_files): Add
7248         linux-sysroot-suffix.h.
7249         * doc/install.texi (Prerequisites): Require make 3.80.
7250         * doc/sourcebuild.texi (Front End Directory): Document new
7251         variable.
7252         * Makefile.in (generated_files): New variable.
7253         (ALL_HOST_OBJS): New variable.
7254         ($(ALL_HOST_OBJS)): New target.
7255
7256 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
7257
7258         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
7259         (remap_block): Call id->transform_lang_insert_block instead
7260         of langhook.
7261         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
7262         Set id.transform_lang_insert_block to NULL.
7263         (clone_body): Move to cp/optimize.c
7264         * tree-inline.h (struct copy_body_data): Change
7265         transform_lang_insert_block to function pointer.
7266         (copy_generic_body, copy_decl_no_change): Export.
7267         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
7268         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
7269         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
7270
7271         * c-tree.h (insert_block): Kill.
7272         * c-decl.c (insert_block): Kill.
7273
7274 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
7275
7276         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
7277         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
7278         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
7279         argument.
7280         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
7281         argument, call {push,pop}_function_context from here.
7282         * c-parser.c: Use c_{push,pop}_function_context.
7283
7284         * function.c (push_function_context_to): Move meat ...
7285         (push_function_context): ... here.  Simplify.
7286         * function.c (pop_function_context_from): Move meat ...
7287         (pop_function_context): ... here.  Simplify.
7288         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
7289         leave_nested).
7290         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
7291         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
7292         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
7293         * tree.h (push_function_context_to, pop_function_context_from): Remove.
7294
7295 2008-04-03  Ben Elliston  <bje@au.ibm.com>
7296
7297         * expmed.c (extract_force_align_mem_bit_field): Remove.
7298
7299 2008-04-03  Richard Guenther  <rguenther@suse.de>
7300
7301         PR middle-end/35800
7302         * expr.h (try_casesi): Adjust prototype.
7303         * expr.c (try_casesi): Take fallback label as extra parameter.
7304         Use that for gen_casesi if default_label is NULL.
7305         * stmt.c (expand_case): Pass fallback label to try_casesi,
7306         make sure to fill gaps with a fallback label if default_label
7307         is not present.
7308
7309 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
7310
7311         PR target/35801
7312         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
7313
7314 2008-04-03  Ben Elliston  <bje@au.ibm.com>
7315
7316         * expmed.c (extract_split_bit_field): Remove if (0) code.
7317         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
7318         (do_ds_constraint): Likewise.
7319
7320 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
7321
7322         * doc/cppopts.texi (-dU): Document.
7323         * c-common.h (flag_dump_macros): Update comment.
7324         * c-opts.c (handle_OPT_d): Handle -dU.
7325         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
7326         dump_queued_macros, cb_used_define, cb_used_undef): New.
7327         (init_pp_output): Handle -dU.
7328         (cb_line_change): Call dump_queued_macros.
7329         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
7330
7331 2008-04-02  Anatoly Sokolov <aesok@post.ru>
7332
7333         * config/avr/predicates.md (io_address_operand): New predicate. 
7334         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
7335         * config/avr/avr.c (avr_io_address_p): Remove function.
7336         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
7337         'avr_io_address_p' function.
7338         (out_movhi_r_mr): (Ditto.).
7339         (out_movqi_mr_r): (Ditto.).
7340         (out_movhi_mr_r): (Ditto.).
7341         (avr_address_cost): (Ditto.).
7342
7343 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
7344
7345         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
7346         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
7347         in 32bit mode when XMM registers are available to avoid store
7348         forwarding stalls.
7349         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
7350         corresponding post-reload splitters.
7351
7352 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7353
7354         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
7355         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
7356         __builtin_ia32_roundss.
7357         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
7358         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
7359         __builtin_ia32_roundss.
7360         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
7361         IX86_BUILTIN_SHUFPD here.
7362
7363 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7364
7365         * config/i386/i386.md (plogic): New.
7366         (plogicprefix): Likewise.
7367
7368         * config/i386/mmx.md (mmx_<code><mode>3): New.
7369         (mmx_and<mode>3): Removed.
7370         (mmx_ior<mode>3): Likewise.
7371         (mmx_xor<mode>3): Likewise.
7372
7373         * config/i386/sse.md (<code><mode>3): New.
7374         (*<code><mode>3): Likewise.
7375         (*<code><mode>3): Likewise.
7376         (<code><mode>3): Likewise.
7377         (*sse_<code><mode>3): Likewise.
7378         (*sse2_<code><mode>3): Likewise.
7379         (<code>tf3): Likewise.
7380         (*<code>tf3): Likewise.
7381         (and<mode>3): Likewise.
7382         (*and<mode>3): Likewise.
7383         (ior<mode>3): Removed.
7384         (*ior<mode>3): Likewise.
7385         (xor<mode>3): Likewise.
7386         (*xor<mode>3): Likewise.
7387         (*and<mode>3): Likewise.
7388         (*ior<mode>3): Likewise.
7389         (*xor<mode>3): Likewise.
7390         (and<mode>3): Likewise.
7391         (*sse_and<mode>3): Likewise.
7392         (*sse2_and<mode>3): Likewise.
7393         (andtf3): Likewise.
7394         (*andtf3): Likewise.
7395         (ior<mode>3): Likewise.
7396         (*sse_ior<mode>3): Likewise.
7397         (*sse2_ior<mode>3): Likewise.
7398         (iortf3): Likewise.
7399         (*iortf3): Likewise.
7400         (xor<mode>3): Likewise.
7401         (*sse_xor<mode>3): Likewise.
7402         (*sse2_xor<mode>3): Likewise.
7403         (xortf3): Likewise.
7404         (*xortf3): Likewise.
7405
7406 2008-04-02  Richard Guenther  <rguenther@suse.de>
7407
7408         PR tree-optimization/14495
7409         PR tree-optimization/34793
7410         * tree-vrp.c (struct switch_update): New structure.
7411         (to_remove_edges, to_update_switch_stmts): New VECs.
7412         (simplify_switch_using_ranges): New function.  Remove not taken
7413         case labels and edges.
7414         (simplify_stmt_using_ranges): Call it.
7415         (identify_jump_threads): Mark edges we have queued for removal
7416         so we don't thread them.
7417         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
7418         case label vector.
7419         * tree-cfg.c (group_case_labels): Deal with missing default label.
7420         (tree_verify_flow_info): Allow missing default label.
7421         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
7422         (emit_case_nodes): Likewise.
7423         (expand_case): Do not rely on the default label to be present.
7424         * expr.c (try_casesi): Deal with NULL default_label.
7425         (do_tablejump): Likewise.
7426
7427 2008-04-02  Richard Guenther  <rguenther@suse.de>
7428
7429         PR tree-optimization/14495
7430         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
7431         SWITCH_EXPR here ...
7432         (vrp_visit_switch_stmt): ... but here (new function).
7433         (find_case_label_index): New helper function.
7434         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
7435
7436 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
7437
7438         * fwprop.c: Fix ISO-C99ism.
7439
7440 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
7441
7442         PR bootstrap/35752
7443         * Makefile.in (objdir): Set it here.
7444         * configure.ac: Not here.  Find dynamic linker characteristics.
7445         * exec-tool.in: Use them.
7446         * aclocal.m4: Regenerate.
7447         * configure: Regenerate.
7448
7449 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
7450
7451         * expr.c (expand_var): Delete it.
7452         * expr.h (expand_var): Delete prototype.
7453         * function.c (expand_function_start): Use expand_decl instead.
7454         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
7455         langhook.
7456
7457 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
7458
7459         PR rtl-optimization/35542
7460         * fwprop.c (forward_propagate_and_simplify): Replace
7461         loc_reg_mentioned_in_p with reg_mentioned_p.
7462
7463 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
7464
7465         PR rtl-optimization/35281
7466         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
7467         (propagate_rtx_1): Handle PR_HANDLE_MEM.
7468         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
7469         (varying_mem_p): Move above propagate_rtx.
7470         (all_uses_available_at): Do not check MEMs.
7471
7472 2008-04-02  Rafael Espindola  <espindola@google.com>
7473
7474         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
7475         (register_edge_assert_for_2): Split the cond argument.
7476         (register_edge_assert_for_1): Adjust for the change in
7477         register_edge_assert_for_2.
7478         (register_edge_assert_for): Split the cond argument.
7479         (find_switch_asserts): Adjust for the change in
7480         register_edge_assert_for.
7481
7482 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
7483
7484         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
7485         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
7486         offsets for 64-bit mingw.
7487         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
7488         abi for x86_64-pc-mingw.
7489
7490 2008-04-02  Richard Guenther  <rguenther@suse.de>
7491
7492         * tree-vrp.c (extract_range_from_assert): Make sure to not
7493         produce range min/max with TREE_OVERFOW set.
7494         If merging a anti-range and a range keep the anti-range if
7495         the range covers all values of the type.
7496         (register_edge_assert_for_2): Only allow sign-changing
7497         conversions in detecting canonical range checks.  Also
7498         register an assert for the unsigned name if useful.
7499
7500         PR tree-optimization/35787
7501         * tree-vrp.c (vrp_val_max): New function.
7502         (vrp_val_min): Likewise.
7503         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
7504         (vrp_val_is_min): Likewise.
7505         (supports_overflow_infinity): Use vrp_val_{min,max}.
7506         (negative_overflow_infinity): Likewise.
7507         (positive_overflow_infinity): Likewise.
7508         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
7509         (is_positive_overflow_infinity): Likewise.
7510         (is_overflow_infinity): Likewise.
7511         (avoid_overflow_infinity): Use vrp_val_{min,max} and
7512         vrp_val_is_{min,max}.
7513         (set_and_canonicalize_value_range): Canonicalize anti-ranges
7514         to ranges if possible.  Avoid empty ranges.
7515
7516 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7517
7518         PR middle-end/35705
7519         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
7520         the expression is a function address.
7521
7522 2008-04-01  George Helffrich  <george@gcc.gnu.org>
7523
7524         PR fortran/35154, fortran/23057
7525         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
7526         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
7527         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
7528         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
7529         in common.
7530         (dbxout_syms): Check for COMMON-based symbol and wrap in
7531         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
7532         in bracket for efficiency.
7533
7534         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
7535         using DW_TAG_common_block + member offset.
7536         (add_pubname_string): New function.
7537         (dw_expand_expr): New function to find block name and offset for
7538         COMMON var.
7539         (common_check): New function to check whether symbol in Fortran COMMON.
7540         (gen_variable_die): If COMMON, use DW_TAG_common_block.
7541
7542 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
7543
7544         PR c/35436
7545         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
7546
7547 2008-04-02  Ben Elliston  <bje@au.ibm.com>
7548
7549         * config/v850/v850.md (casesi): Remove if (0) code.
7550         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
7551         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
7552
7553 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
7554
7555         * config/i386/i386.md (rex64suffix): New mode attribute.
7556         (floathi<mode>2): Disable expander for SSE math.
7557         (*floathi<mode>2_1): New insn insn_and_split pattern.
7558         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
7559         corresponding post-reload splitters.
7560         (*floathi<mode>2_i387): New macroized insn pattern.
7561         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
7562         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
7563         insn_and_split pattern.
7564         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
7565         New macroized instruction patterns and corresponding post-reload
7566         splitters.
7567         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
7568         and corresponding post-reload splitters.
7569         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
7570         New macroized instruction patterns.
7571         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
7572         macroized instruction patterns and corresponding post-reload splitters.
7573         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
7574         corresponding post-reload splitters.
7575         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
7576         New macroized instruction patterns.
7577         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
7578         corresponding post-reload splitters.
7579         (*floatsi<mode>2_i387): New macroized instruction patterns.
7580
7581 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
7582
7583         * config/i386/i386.md (smaxmin): New.
7584         (umaxmin): Likewise.
7585         (maxminiprefix): Likewise.
7586         (maxminfprefix): Likewise.
7587         (<code><mode>3): Likewise.
7588         (smin<mode>3): Removed.
7589         (smax<mode>3): Likewise.
7590
7591         * config/i386/mmx.md (mmx_<code>v2sf3): New.
7592         (mmx_<code>v4hi3): Likewise.
7593         (mmx_<code>v8qi3): Likewise.
7594         (mmx_smaxv2sf3): Removed.
7595         (mmx_sminv2sf3): Likewise.
7596         (mmx_umaxv8qi3): Likewise.
7597         (mmx_smaxv4hi3): Likewise.
7598         (mmx_uminv8qi3): Likewise.
7599         (mmx_sminv4hi3): Likewise.
7600
7601         * config/i386/sse.md (<addsub><mode>3): New.
7602         (*<addsub><mode>3): Likewise.
7603         (<sse>_vm<addsub><mode>3): Likewise.
7604         (<maxmin><mode>3): Likewise.
7605         (*<maxmin><mode>3_finite): Likewise.
7606         (*<maxmin><mode>3): Likewise.
7607         (<sse>_vm<maxmin><mode>3): Likewise.
7608         (sse3_h<addsub>v4sf3): Likewise.
7609         (sse3_h<addsub>v2df3): Likewise.
7610         (<maxmin>v16qi3): Likewise.
7611         (*<maxmin>v16qi3): Likewise.
7612         (<maxmin>v8hi3): Likewise.
7613         (*<maxmin>v8hi3): Likewise.
7614         (*sse4_1_<maxmin><mode>3): Likewise.
7615         (*sse4_1_<maxmin><mode>3): Likewise.
7616         (add<mode>3): Removed.
7617         (*add<mode>3): Likewise.
7618         (<sse>_vmadd<mode>3): Likewise.
7619         (sub<mode>3): Likewise.
7620         (*sub<mode>3): Likewise.
7621         (<sse>_vmsub<mode>3): Likewise.
7622         (smin<mode>3): Likewise.
7623         (*smin<mode>3_finite): Likewise.
7624         (*smin<mode>3): Likewise.
7625         (<sse>_vmsmin<mode>3): Likewise.
7626         (smax<mode>3): Likewise.
7627         (*smax<mode>3_finite): Likewise.
7628         (*smax<mode>3): Likewise.
7629         (<sse>_vmsmax<mode>3): Likewise.
7630         (sse3_haddv4sf3): Likewise.
7631         (sse3_haddv2df3): Likewise.
7632         (sse3_hsubv4sf3): Likewise.
7633         (sse3_hsubv2df3): Likewise.
7634         (umaxv16qi3): Likewise.
7635         (*umaxv16qi3): Likewise.
7636         (smaxv8hi3): Likewise.
7637         (*smaxv8hi3): Likewise.
7638         (*sse4_1_smax<mode>3): Likewise.
7639         (*sse4_1_umax<mode>3): Likewise.
7640         (uminv16qi3): Likewise.
7641         (*uminv16qi3): Likewise.
7642         (sminv8hi3): Likewise.
7643         (*sminv8hi3): Likewise.
7644         (*sse4_1_smin<mode>3): Likewise.
7645         (*sse4_1_umin<mode>3): Likewise.
7646
7647 2008-04-01  Rafael Espindola  <espindola@google.com>
7648
7649         * tree-cfg.c (verify_expr): remove in_phi.
7650         (verify_stmt): Don't call walk_tree with verify_expr. Use
7651         is_gimple_min_invariant instead of is_gimple_val.
7652
7653 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
7654
7655         * doc/include/gpl_v3.texi: Update for manpage generation.
7656         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
7657         gpl.texi.
7658         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
7659         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
7660         gpl_v3.texi instead of gpl.texi.
7661         (gpl.pod): New.
7662
7663 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
7664
7665         PR pch/13675
7666         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
7667
7668 2008-04-01  Rafael Espindola  <espindola@google.com>
7669
7670         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
7671         (extract_code_and_val_from_cond): Use
7672         extract_code_and_val_from_cond_with_ops.
7673
7674 2008-04-01  Jan Hubicka  <jh@suse.cz>
7675
7676         * function.c (free_after_compilation): Free epilogue_delay_list.
7677         (prepare_function_start): Assert that previous compilation was freed.
7678
7679 2008-04-01  Jan Hubicka  <jh@suse.cz>
7680             Jim Wilson  <wilson@tuliptree.org>
7681             Andreas Tobler <andreast@gcc.gnu.org>
7682
7683         PR middle-end/35781
7684         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
7685         rtl.emit instead cfun->emit.
7686         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
7687         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
7688
7689 2008-04-01  Ben Elliston  <bje@au.ibm.com>
7690
7691         * doc/c-tree.texi (Function Basics): Fix grammatical error.
7692
7693 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
7694
7695         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
7696         New options
7697         (fprofile-use): Add var flag_profile_use
7698         * coverage.c (coverage_begin_output): Do not open a gcno file for
7699         output only if -ftest-coverage is set.
7700         Do not add getpwd() to gcda file path.
7701         (build_gcov_info): Check the new flag
7702         flag_profile_datafile_relative_path.
7703         (coverage_init): Use profile_data_prefix.
7704         Read profile counter only if flag_profile_use is set.
7705         * opts.c (common_handle_option): New option fprofile-use=,
7706         fprofile-dir=, fprofile-generate=.
7707         * toplev.c (profile_data_prefix): New variable definition.
7708         * toplev.h (profile_data_prefix): New declaration.
7709         * doc/invoke.tex (Option Summary, Optimization Options):
7710         Add new options.
7711
7712 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
7713
7714         * varasm.c (output_constant_pool_1): In LABEL_REF check,
7715         use tmp consistently.
7716
7717         PR target/35695
7718         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
7719         * config/ia64/ia64.c (rtx_needs_barrier): Handle
7720         UNSPEC_FR_RECIP_APPROX_RES.
7721         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
7722
7723 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
7724
7725         PR c/35750
7726         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
7727
7728 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7729
7730         PR middle-end/30186
7731         * fold-const.c (fold_indirect_ref_1): Support accessing non first
7732         element of the vector via a pointer.
7733
7734 2008-03-31  Ian Lance Taylor  <iant@google.com>
7735
7736         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
7737
7738 2008-03-31  Jan Hubicka  <jh@suse.cz>
7739
7740         * builtins.c (expand_builtin_setjmp_receiver): Update call of
7741         get_arg_pointer_save_area.
7742         * expr.c (init_expr): Just clear out rtl.expr.
7743         * function.c (free_after_compilation): Clear out whole RTL structure.
7744         (get_func_frame_size): Merge into ...
7745         (get_frame_size): ... this one.
7746         (assign_stack_local_1): Merge into ...
7747         (assign_stack_local): ... this one.
7748         (expand_function_end): Update call of get_arg_pointer_save_area.
7749         (get_art_pointer_save_area): Remove cfun argument.
7750         * function.h (emit_status): regno_pointer_align does not need length
7751         attribute. Move x_regno_reg_rtx to ...
7752         (regno_reg_rtx): ... new global array.
7753         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
7754         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
7755         apply_args_value, forced_labels, stack_pointer_delta):
7756         Update accestors.
7757         (struct varasm_status): Move here from varasm.c
7758         (struct rtl_data): New. Move here some fields from struct function.
7759         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
7760         frame_offset, stack_check_probe_note, arg_pointer_save_area,
7761         used_temp_slots avail_temp_slots, temp_slot_level,
7762         nonlocal_goto_handler_labels): Update accesstors.
7763         (rtl): New global variable.
7764         (struct function): Move some fileds to rtl_data.
7765         (get_arg_pointer_save_area): Update prototype.
7766         * emit-rtl.c (rtl): Declare.
7767         (regno_reg_rtx): Declare.
7768         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
7769         Update.
7770         (gen_reg_rtx): Update.
7771         (init_virtual_regs): Do not tate emit_status argument.
7772         (init_emit): Do not allocate emit.
7773         * varasm.c (varasm_statuc): Move to function.h.
7774         (n_deferred_constatns): Update accestor.
7775         (init_varasm_status): Do not allocate varasm_status.
7776         (force_const_mem, get_pool_size, output_constant_pool): Update.
7777         * stmt.c (force_label_rtx): Do not use x_ prefixes.
7778         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
7779
7780 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
7781
7782         PR rtl-optimization/35729
7783         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
7784         references.
7785
7786 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
7787
7788         PR target/32000
7789         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
7790         load/store if memory is unaligned.
7791         (*movti_rex64): Likewise.
7792
7793         * config/i386/predicates.md (misaligned_operand): New.
7794
7795 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
7796
7797         PR tree-opt/35431
7798         * tree-ssa-phiopt.c (conditional_replacement): Return early for
7799         complex types.
7800
7801 2008-03-31  Jan Beulich  <jbeulich@novell.com>
7802
7803         * config/ia64/constraints.md: Add 'j' constraint.
7804         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
7805         (movdi_internal): Likewise.
7806
7807 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
7808
7809         PR c/35748
7810         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
7811
7812 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
7813
7814         PR target/35757
7815         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
7816         proper error message for the third argument on blendpd and
7817         blendps.
7818
7819         * config/i386/sse.md (blendbits): New.
7820         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
7821
7822 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
7823
7824         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
7825
7826 2008-03-30  Richard Guenther  <rguenther@suse.de>
7827
7828         PR middle-end/31023
7829         * fold-const.c (fold_sign_changed_comparison): Do leave
7830         conversions to base-types alone.
7831
7832 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7833
7834         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
7835         the link register if one altivec register is be saved.
7836
7837 2008-03-30  Ben Elliston  <bje@au.ibm.com>
7838
7839         * final.c (final_scan_insn): Remove if (0) code.
7840
7841 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
7842
7843         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
7844
7845 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
7846
7847         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
7848         of V4SFmode to ix86_binary_operator_ok.
7849
7850 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
7851
7852         * config/i386/i386.c (override_options): Initialize
7853         ix86_veclib_handler to ix86_veclibabi_svml when
7854         -mveclibabi=svml is used.
7855         (ix86_veclibabi_svml): New function for SVML ABI style
7856         vectorization support.
7857         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
7858
7859 2008-03-28  Rafael Espindola  <espindola@google.com>
7860
7861         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
7862         (tree_binary_nonnegative_warnv_p): Make it public.
7863         (tree_single_nonnegative_warnv_p): Make it public.
7864         (tree_invalid_nonnegative_warnv_p): Make it public.
7865         (tree_unary_nonzero_warnv_p): Make it public.
7866         (tree_binary_nonzero_warnv_p): Make it public
7867         (tree_single_nonzero_warnv_p): Make it public.
7868         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
7869         (extract_range_from_binary_expr): Split the expr argument.
7870         (extract_range_from_unary_expr): Split the expr argument.
7871         (extract_range_from_comparison): Split the expr argument.
7872         (extract_range_from_expr): Use the new aux functions.
7873         (vrp_evaluate_conditional_warnv): Use
7874         vrp_evaluate_conditional_warnv_with_ops.
7875         * tree.h (tree_unary_nonzero_warnv_p): Declare.
7876         (tree_binary_nonzero_warnv_p): Declare.
7877         (tree_single_nonzero_warnv_p): Declare.
7878         (tree_expr_nonzero_warnv_p): Declare.
7879         (tree_unary_nonnegative_warnv_p): Declare.
7880         (tree_binary_nonnegative_warnv_p): Declare.
7881         (tree_single_nonnegative_warnv_p): Declare.
7882         (tree_invalid_nonnegative_warnv_p): Declare.
7883
7884 2008-03-28  Richard Guenther  <rguenther@suse.de>
7885
7886         PR tree-optimization/30317
7887         PR tree-optimization/30911
7888         PR tree-optimization/34793
7889         * tree-vrp.c (set_and_canonicalize_value_range): New function.
7890         (struct assert_locus_d): New member EXPR.
7891         (register_new_assert_for): Add EXPR parameter to support
7892         ASSERT_EXPR <name, expr OP limit>.
7893         (register_edge_assert_for_1): Adjust callers.
7894         (find_assert_locations): Likewise.
7895         (process_assert_insertions_for): Build condition from expression.
7896         (extract_range_from_assert): Handle ASSERT_EXPRs
7897         of the form ASSERT_EXPR <name, expr OP limit>.
7898         (register_edge_assert_for_2): New helper registering
7899         asserts for comparisons.  Recognize range tests of the form
7900         (unsigned)i - CST1 OP CST2.
7901         (register_edge_assert_for_1): Use it.
7902         (register_edge_assert_for): Likewise.
7903         (needs_overflow_infinity): Integer sub-types
7904         do not need overflow infinities.
7905         (vrp_val_is_max): The extreme values of integer sub-types
7906         are those of the base type.
7907         (vrp_val_is_min): Likewise.
7908         * tree.def (ASSERT_EXPR): Document extra allowed conditional
7909         expressions.
7910
7911 2008-03-28  Nick Clifton  <nickc@redhat.com>
7912
7913         PR target/31110
7914         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
7915         Return GENERAL_REGS for stack adjustment reloads.
7916
7917 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7918
7919         PR target/31334
7920         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
7921         const_vector when all the vectors are constant.
7922
7923 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
7924
7925         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
7926         comparisons.
7927         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
7928         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
7929         (scc_sf): New.
7930         (s<code>_sf): Use new scc_sf attribute for opcode names.
7931
7932 2008-03-27  Tom Tromey  <tromey@redhat.com>
7933
7934         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
7935         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
7936         config/spu/t-spu-elf, config/i386/t-interix,
7937         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
7938         config/i386/x-darwin, config/i386/x-mingw32,
7939         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
7940         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
7941         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
7942         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
7943         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
7944         config/rs6000/x-darwin, config/rs6000/t-rs6000,
7945         config/score/t-score-elf, config/arm/t-strongarm-pe,
7946         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
7947         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
7948         Revert automatic dependency patch.
7949
7950 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7951
7952         PR target/35657
7953         * config/i386/i386.c (ix86_function_arg_boundary): Align
7954         decimal floating point to its natural boundary.
7955
7956 2008-03-27  Richard Guenther  <rguenther@suse.de>
7957
7958         PR middle-end/35716
7959         * fold-const.c (fold_comparison): Restrict distinct decl
7960         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
7961         solely rely on operand_equal_p.
7962
7963 2008-03-27  Richard Guenther  <rguenther@suse.de>
7964
7965         PR c/32511
7966         * c-common.c (handle_weak_attribute): Reject combination of
7967         weak and inline.
7968
7969 2008-03-27  Richard Guenther  <rguenther@suse.de>
7970
7971         PR tree-optimization/32810
7972         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
7973         conversions from DECL_INITIAL.
7974         (fold_const_aggregate_ref): Likewise from constructor elements.
7975
7976 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
7977
7978         * tree-affine.h (aff_combination_expand): Declare.
7979         (get_inner_reference_aff): Likewise.
7980         * tree-affine.c (aff_combination_expand): Split out from
7981         tree_to_aff_combination_expand.
7982         (get_inner_reference_aff): New function.
7983         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
7984         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
7985         (struct lim_aux_data): sm_done field removed.
7986         (mem_ref_loc_p, mem_ref_locs_p): New types.
7987         (struct mem_ref): Added id, stored, accesses_in_loop,
7988         indep_loop, dep_loop, indep_ref, dep_ref fields.
7989         Removed is_stored, locs and next fields.
7990         (memory_accesses): New variable.
7991         (movement_possibility): Do not allow moving statements
7992         that store to memory.
7993         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
7994         New functions.
7995         (determine_max_movement): For statements with memory references,
7996         find the outermost loop in that the reference is independent.
7997         (move_computations_stmt): Mark the virtual operands for renaming.
7998         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
7999         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
8000         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
8001         add_vop_ref_mapping, create_vop_ref_mapping_loop,
8002         create_vop_ref_mapping, analyze_memory_references,
8003         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
8004         get_all_locs_in_loop, ref_always_accessed_p,
8005         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
8006         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
8007         store_motion_loop, store_motion): New functions.
8008         (struct vop_to_refs_elt): New type.
8009         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
8010         memref_hash, memref_eq, hoist_memory_references): Rewritten.
8011         (schedule_sm): Replaced by...
8012         (execute_sm): ... this.
8013         (determine_lsm_ref, hoist_memory_references,
8014         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
8015         find_more_ref_vops, free_mem_ref, free_mem_refs,
8016         determine_lsm_loop, determine_lsm): Removed.
8017         (tree_ssa_lim_finalize): Free data structures used by store motion.
8018         (tree_ssa_lim): Call analyze_memory_references.  Use
8019         store_motion instead of determine_lsm.
8020
8021 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
8022
8023         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
8024         rename tmake_file to m68hc11/t-m68hc11.
8025         (mcore): Set inhibit_libc to true.
8026         * config.host (alpha*-dec-*vms*): Set extra_programs.
8027         (interix3*): Don't use host_xmake_file.
8028         * configure.ac: Let config.gcc override inhibit_libc.
8029         * configure: Regenerate.
8030
8031         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
8032         * config/t-openbsd-thread: Remove commented out lines.
8033         
8034         * config/x-interix: Remove.
8035
8036         * config/m68hc11/t-m68hc11-gas: Rename to...
8037         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
8038
8039         * config/mcore/t-mcore: Remove T_CFLAGS.
8040         * config/mcore/t-mcore-pe: Likewise.
8041
8042 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
8043
8044         * configure.ac: Replace custom __GNU_SOURCE test with
8045         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
8046         * aclocal.m4: Regenerate.
8047         * configure: Regenerate.
8048         * config.in: Regenerate.
8049
8050 2008-03-27  Richard Guenther  <rguenther@suse.de>
8051
8052         * fold-const.c (target.h): Include.
8053         (fold_comparison): Fold comparison of addresses of decls
8054         that bind locally or of constants.  Consolidate address folding code.
8055         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
8056         results from fold_binary_to_constant.
8057         (compare_values_warnv): Likewise.
8058
8059 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
8060
8061         PR middle-end/35429
8062         * fold-const.c (fold_truthop): Check for integeral types when folding
8063         a == 0 && b == 0 and a != 0 || b != 0 .
8064
8065 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
8066
8067         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
8068
8069 2008-03-26  Andreas Schwab  <schwab@suse.de>
8070
8071         * doc/invoke.texi: Fix use of @item vs. @itemx.
8072
8073 2008-03-26  Tom Tromey  <tromey@redhat.com>
8074
8075         * Makefile.in (build/gensupport.o, build/print-rtl.o,
8076         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
8077         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
8078         build/gencodes.o, build/genconditions.o, build/genconfig.o,
8079         build/genconstants.o, build/genemit.o, build/genextract.o,
8080         build/genflags.o, build/genmddeps.o, build/genopinit.o,
8081         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
8082         options.h.
8083
8084 2008-03-26  Richard Guenther  <rguenther@suse.de>
8085
8086         Revert
8087         2008-03-26  Richard Guenther  <rguenther@suse.de>
8088
8089         * fold-const.c (target.h): Include.
8090         (fold_comparison): Fold comparison of addresses of two decls
8091         that bind locally.  Consolidate address folding code.
8092
8093 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8094
8095         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
8096         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
8097         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
8098         dconstsqrt2, dconstthird, dconste and/or dconst10.
8099         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
8100         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
8101         dconstsqrt2, dconste): Delete.
8102         (init_emit_once): Likewise.  Simplify initializing dconstm1.
8103         Constify variable.
8104         * real.c (get_real_const): New.
8105         * real.h (dconst3, dconst10, dconstm2, dconstthird,
8106         dconstsqrt2, dconste): Delete.
8107         (real_value_const, get_real_const): New.
8108
8109 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
8110
8111         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
8112
8113         * config/i386/i386.c (ix86_function_arg_boundary): Check
8114         BIGGEST_ALIGNMENT instead of 128.
8115         (setup_incoming_varargs_64): Likewise.
8116
8117 2008-03-26  Tom Tromey  <tromey@redhat.com>
8118
8119         * Makefile.in (DEPFILES): Add missing '/'.
8120
8121 2008-03-26  Richard Guenther  <rguenther@suse.de>
8122
8123         * fold-const.c (target.h): Include.
8124         (fold_comparison): Fold comparison of addresses of two decls
8125         that bind locally.  Consolidate address folding code.
8126
8127 2008-03-26  Nick Clifton  <nickc@redhat.com>
8128
8129         PR target/31232
8130         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
8131         not allow INT+INT as a legitimate addressing mode.
8132
8133 2008-03-26  Richard Guenther  <rguenther@suse.de>
8134
8135         * tree-flow.h (widen_bitfield): Remove declaration.
8136         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
8137         (widen_bitfield): Remove function.
8138         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
8139         code.
8140
8141 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8142
8143         PR target/31558
8144         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
8145         error_mark_node's.
8146
8147 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
8148
8149         PR rtl-optimization/35232
8150         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
8151         (forget_old_reloads_1, forget_marked_reloads): Don't clear
8152         reg_reloaded_call_part_clobbered here.
8153         (reload_regs_reach_end_p): New function.
8154         (reload_reg_rtx_for_input): New variable.
8155         (reload_reg_rtx_for_output): Likewise.
8156         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
8157         when reassigning a pseudo register.  Load reloadreg from 
8158         reload_reg_rtx_for_input, moving the mode and register
8159         calculation to...
8160         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
8161         instead of the original when deciding whether an input reload
8162         would be a no-op or whether an output reload can be deleted.
8163         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
8164         when setting up new_spill_reg_store.  Load it from
8165         reload_reg_rtx_for_output, moving the mode and register
8166         calculation to...
8167         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
8168         instead of the original when deciding whether an output reload
8169         would be a no-op.  Do the same when modifying insn notes.
8170         Use rtx_equal_p instead of == to compare the registers.
8171         (inherit_piecemeal_p): Take a mode and two register numbers
8172         as argument.
8173         (emit_reload_insns): Clear new_spill_reg_store for every hard
8174         register in the reload register.  Remove spill registers
8175         from reg_reloaded_valid before considering whether to record
8176         inheritance information for them.  Use reload_reg_rtx_for_output
8177         instead of reg_rtx when recording output reloads.  Use
8178         reload_reg_rtx_for_input instead of reg_rtx when recording
8179         input reloads.  Set or clear reg_reloaded_call_part_clobbered
8180         at the same time as setting reg_reloaded_valid.
8181         (delete_output_reload): Add a new_reload_reg parameter and use it
8182         instead of rld[j].reg_rtx.
8183         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
8184         calls accordingly.
8185
8186 2008-03-25  Tom Tromey  <tromey@redhat.com>
8187
8188         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
8189         (build/genattr.o): Likewise.
8190         (build/genattrtab.o): Likewise.
8191         (build/gencodes.o): Likewise.
8192         (build/genconfig.o): Likewise.
8193         (build/genconstants.o): Likewise.
8194         (build/genemit.o): Likewise.
8195         (build/genextract.o): Likewise.
8196         (build/genflags.o): Likewise.
8197
8198 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
8199         
8200         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
8201         instead of size_int for integer types.
8202         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
8203         to match type of MINUS_EXPR.
8204         
8205 2008-03-25  Tom Tromey  <tromey@redhat.com>
8206
8207         * configure: Rebuilt.
8208         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
8209         Makefile.
8210
8211 2008-03-25  Tom Tromey  <tromey@redhat.com>
8212
8213         * config/x-solaris (host-solaris.o): Update.
8214         * config/x-linux (host-linux.o): Update.
8215         * config/x-hpux (host-hpux.o): Update.
8216         * config/x-darwin (host-darwin.o): Update.
8217         * config/v850/t-v850e (v850-c.o): Update.
8218         * config/v850/t-v850 (v850-c.o): Update.
8219         * config/t-vxworks (vxworks.o): Update.
8220         * config/t-sol2 (sol2-c.o, sol2.o): Update.
8221         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
8222         * config/spu/t-spu-elf (spu-c.o): Update.
8223         (spu.o): Remove.
8224         * config/sh/t-symbian (sh-c.o): Update.
8225         (symbian.o): Update.
8226         * config/sh/t-sh (sh-c.o): Update.
8227         * config/score/t-score-elf (score7.o, score3.o): Update.
8228         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
8229         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
8230         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
8231         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
8232         (rs6000.o): Remove.
8233         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
8234         * config/m32c/t-m32c (m32c-pragma.o): Update.
8235         * config/ia64/t-ia64 (ia64-c.o): Update.
8236         * config/i386/x-mingw32 (host-mingw32.o): Update.
8237         * config/i386/x-i386 (driver-i386.o): Update.
8238         * config/i386/x-darwin (host-i386-darwin.o): Update.
8239         * config/i386/x-cygwin (host-cygwin.o): Update.
8240         * config/i386/t-nwld (nwld.o): Update.
8241         * config/i386/t-netware (netware.o): Update.
8242         * config/i386/t-interix (winnt.o): Update.
8243         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
8244         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
8245         msformat-c.o): Update.
8246         * config/bfin/t-bfin-linux (generated_files): Add
8247         linux-sysroot-suffix.h.
8248         * config/arm/t-wince-pe (pe.o): Update.
8249         * config/arm/t-strongarm-pe (pe.o): Update.
8250         * config/arm/t-pe (pe.o): Update.
8251         * config/arm/t-arm (arm-c.o): Update.
8252         * doc/install.texi (Prerequisites): Require make 3.80.
8253         * Makefile.in: Remove .o targets.
8254         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
8255         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
8256         (simple_generated_h, simple_generated_c): Move earlier.
8257         (generated_files): New variable.
8258         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
8259         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
8260         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
8261         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
8262         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
8263         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
8264         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
8265         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
8266         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
8267         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
8268         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
8269         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
8270         (.c.o): Remove.
8271         (COMPILE.base, COMPILE): New variables.
8272         (%.o): New pattern rule.
8273         (ALL_HOST_OBJS): New variable.
8274         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
8275         (dummy-checksum.o, cc1-checksum.o): Remove.
8276         (DRIVER_SHLIB): New variable.
8277         (DRIVER_DEFINES): Use it.
8278         (gencondmd.c): Move out of build/.
8279         (s-conditions): Update.
8280         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
8281         (ALL_BUILD_OBJS): Likewise.
8282         (build/%.o): Use BUILDCOMPILE.
8283         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
8284         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
8285         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
8286         build/gencheck.o, build/gencodes.o, build/genconditions.o,
8287         build/genconfig.o, build/genconstants.o, build/genemit.o,
8288         build/genextract.o, build/genflags.o, build/genmddeps.o,
8289         build/genopinit.o, build/genoutput.o, build/genpeep.o,
8290         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
8291         build/gen-protos.o, build/scan.o, build/fix-header.o,
8292         build/scan-decls.o): Simplify.
8293         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
8294         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
8295         prefix.o, toplev.o): Reduce to variable setting.
8296         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
8297         ($(out_object_file), gcc-options.o): New targets.
8298         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
8299         * configure: Rebuilt.
8300         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
8301         * doc/sourcebuild.texi (Front End Directory): Document new variable.
8302
8303 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
8304
8305         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
8306         complain when we hit an error, return ERROR_MARK_NODE.
8307
8308 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
8309
8310         * config/sh/constraints.md (Pso, Psz): New constraints.
8311         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
8312         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
8313
8314 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
8315
8316         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
8317         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
8318
8319 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
8320
8321         * config/sh/sh.md (prefetch): Add condition for SH2A target.
8322         (prefetch_sh2a): New.   
8323
8324 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
8325             Naveen.H.S  <naveen.hs@kpitcummins.com>
8326
8327         * config/sh/constraints.md (I28): New constraint.
8328         * config/sh/sh.c (broken_move): Add support for movi20s.
8329         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
8330
8331 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
8332             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
8333             Naveen.H.S  <naveen.hs@kpitcummins.com>
8334
8335         * config/sh/sh.c (SH_ATTRIBUTES): Define.
8336         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
8337         (print_operand): Handle resbank in %@ operand code.
8338         (sh_encode_section_info): New.
8339         (push_regs): Add conditions for resbank.
8340         (sh_expand_epilogue): Likewise.
8341         (sh_insert_attributes): Likewise.
8342         (sh_attribute_table): Likewise.
8343         (sh_handle_resbank_handler_attribute): New.
8344         (sh2a_handle_function_vector_handler_attribute): New.
8345         (sh2a_is_function_vector_call): New.
8346         (sh2a_get_function_vector_number): New.
8347         (sh2a_function_vector_p): New.
8348         (sh_cfun_resbank_handler_p): New.
8349         * config/sh/sh.md (calli): Emit jsr/n if possible.
8350         (calli_tbr_rel): New.
8351         (calli_pcrel): Emit jsr/n if possible.
8352         (return_i): Emit rts/n if possible.
8353         (call_valuei_tbr_rel): New.
8354         (call_valuei_pcrel): Add condition for SH2A target.
8355         (call_value): Likewise.
8356         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
8357         (sh2a_get_function_vector_number): Likewise.
8358         (sh2a_is_function_vector_call): Likewise.
8359         * doc/extend.texi: Document TBR relative addressing of SH2A.
8360         (resbank): Add description for SH2A.
8361
8362 2008-03-24  Richard Guenther  <rguenther@suse.de>
8363
8364         PR c/22371
8365         * gimplify.c (gimplify_modify_expr): For frontend type-correct
8366         pointer assignments change conversions according to middle-end rules.
8367         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
8368         * configure.ac: Include type checking in yes.
8369         * configure: Regenerate.
8370
8371 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8372
8373         * diagnostic.c (diagnostic_count_diagnostic): Delete.
8374         (diagnostic_report_diagnostic): Update. Handle ICEs here.
8375         
8376 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
8377
8378         * gthr-vxworks.h (UNUSED): Define.
8379
8380 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
8381
8382         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
8383
8384 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
8385
8386         * doc/extend.texi (Function Attributes): Add missing comma in the
8387         example of the "alloc_size" attribute.
8388         
8389 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
8390
8391         Revert:
8392         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
8393
8394         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
8395         32bit host.
8396
8397         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
8398
8399         PR target/35496
8400         * stor-layout.c (update_alignment_for_field): Set minimum alignment
8401         of the underlying type of a MS bitfield layout to the natural
8402         alignment of the type.
8403
8404         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
8405
8406         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
8407         to their natural alignment to avoid store forwarding stalls.
8408
8409 2008-03-22  Richard Guenther  <rguenther@suse.de>
8410
8411         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
8412         For PHI nodes verify the address is invariant.
8413         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
8414         (get_symbol_constant_value): Use is_gimple_min_invariant.
8415         (maybe_fold_stmt_indirect): Likewise.
8416
8417 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
8418
8419         PR rtl-optimization/33927
8420         * Makefile.in (dse.o): Depend on $(TM_P_H).
8421         * expr.h (extract_low_bits): Declare.
8422         * expmed.c (extract_low_bits): New function.
8423         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
8424         * dse.c: Include tm_p.h.
8425         (find_shift_sequence): Remove the read_reg argument and return the
8426         read value.  Emit the instructions instead of returning them.
8427         Iterate on new_mode rather than calculating it each time.
8428         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
8429         source to NEW_MODE and extract_low_bits to convert the shifted
8430         value to READ_MODE.
8431         (replace_read): Allow the load and store to have different mode
8432         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
8433         or extraction instructions before trying the replacement.  Update
8434         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
8435
8436 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
8437
8438         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
8439         to their natural alignment to avoid store forwarding stalls.
8440
8441 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8442
8443         PR target/27946
8444         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
8445         encouraging but not allowing gprs for input;
8446         change the input constraint to !f#r.
8447         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
8448         gprs for output;
8449         change the output constraint to !f#r.
8450
8451 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
8452
8453         PR target/13958
8454         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
8455         corresponding post-reload splitters.
8456         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
8457         when x87 FP math is selected.
8458         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
8459         New function prototype.
8460         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
8461         unreachable function to ease macroization of insn patterns.
8462
8463 2008-03-21  Martin Jambor  <mjambor@suse.cz>
8464
8465         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
8466         reference dumps if ddr is NULL or dependence is unknown.
8467
8468 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
8469
8470         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
8471         unsigned extension into account.
8472         (ATOMIC_COMPARE_AND_SWAP): Likewise.
8473         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
8474         Do computations on a scratch register.
8475
8476 2008-03-21  Richard Guenther  <rguenther@suse.de>
8477
8478         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
8479         Use is_gimple_min_invariant instead of TREE_INVARIANT.
8480         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
8481         * tree-ssa-dom.c (record_equality): Likewise.
8482         * tree-inline.c (copy_body_r): Likewise.
8483         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
8484         TREE_INVARIANT.
8485
8486 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
8487
8488         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
8489         as 'delete_unused' argument.
8490
8491 2008-03-20  Richard Guenther  <rguenther@suse.de>
8492
8493         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
8494         special casing of constant qualifiers.
8495         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
8496         care about them in general.
8497         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
8498         regardless of their type.
8499         (fold_stmt_r): Forcefully fold *& if we end up with that.
8500
8501 2008-03-20  Paul Brook  <paul@codesourcery.com>
8502
8503         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
8504         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
8505         linker flags.
8506         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
8507         definition.
8508         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
8509         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
8510
8511 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
8512
8513         * common.opt (Wmudflap): New option.
8514         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
8515         (mx_register_decls): Likewise.
8516         (mudflap_finish_file): Likewise.
8517         * doc/invoke.texi: Document -Wno-mudflap.
8518
8519 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
8520
8521         * c-format.c (replace_format_name_to_system_name): New.
8522         (cmp_attribs): New.
8523         (convert_format_name_to_system_name): New.
8524         (decode_format_attr): Add use of convert_format_name_to_system_name.
8525         (format_types_orig): Add gnu_ prefix to names.
8526         (check_format_info_main): Special treating of \0 escaped names for
8527         supporting multi-character format specifiers as I32, I64.
8528         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
8529         (gnu_target_overrides_format_attributes): New.
8530         * c-format.h: Add structure target_ovr_attr to hold
8531         system specific formatter names.
8532         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
8533         msformat-c.o file to c_target_objs and cxx_target_objs.
8534         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
8535         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
8536         (TARGET_N_FORMAT_TYPES): New.
8537         * config/i386/msformat-c.c: New.
8538         * config/i386/t-cygming: Add build rule for msformat-c.o.
8539         * doc/extend.texi: Add new format names gnu_* and ms_* and
8540         further details.
8541         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
8542
8543 2008-03-20  Ira Rosen  <irar@il.ibm.com>
8544
8545         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
8546         optimizations turned on under -O3.
8547         (ftree-vectorize): Add that the flag is turned on with -O3.
8548
8549 2008-03-20  Ben Elliston  <bje@au.ibm.com>
8550
8551         * regmove.c (try_auto_increment): Fix spelling error in comment.
8552         * final.c (final_scan_insn): Likewise.
8553
8554 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
8555
8556         PR target/14552
8557         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
8558         allocator preferences for "y" and "r" class registers.
8559         ("*mov<mode>_internal"): Ditto.
8560         ("*movv2sf_internal_rex64"): Ditto.
8561         ("*movv2sf_internal"): Ditto.
8562
8563 2008-03-19  Michael Matz  <matz@suse.de>
8564
8565         PR middle-end/35616
8566         * calls.c (expand_call): Check overlap of arguments with call
8567         address for sibcalls.
8568
8569 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
8570
8571         PR target/35496
8572         * stor-layout.c (update_alignment_for_field): Set minimum alignment
8573         of the underlying type of a MS bitfield layout to the natural
8574         alignment of the type.
8575
8576 2008-03-19  Jan Hubicka  <jh@suse.cz>
8577
8578         PR other/35094
8579         * toplev.c (decode_d_option): Handle all CPP flags.
8580         * tree-vrp.c: Update tree_pass descriptors.
8581         * regrename.c: Update tree_pass descriptors.
8582         * fwprop.c: Update tree_pass descriptors.
8583         * doc/invoke.texi: Remove documentation of dropped -d? flags.
8584         * tree-into-ssa.c: Update tree_pass descriptors.
8585         * tree-dump.c: Update tree_pass descriptors.
8586         * tree-complex.c: Update tree_pass descriptors.
8587         * tree-dump.h: Update tree_pass descriptors.
8588         * see.c: Update tree_pass descriptors.
8589         * cgraphbuild.c: Update tree_pass descriptors.
8590         * tracer.c: Update tree_pass descriptors.
8591         * tree-loop-distribution.c: Update tree_pass descriptors.
8592         * cgraph.c: Update tree_pass descriptors.
8593         * postreload-gcse.c: Update tree_pass descriptors.
8594         * postreload.c: Update tree_pass descriptors.
8595         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
8596         * tree-tailcall.c: Update tree_pass descriptors.
8597         * tree-pass.h (tree_opt_pass): Rename to ...
8598         (opt_pass) ... this one; add "type" field and remove letter field.
8599         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
8600         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
8601         all_lowering_passes): Update declaration.
8602         * ipa-cp.c: Update tree_pass descriptors.
8603         * final.c: Update tree_pass descriptors.
8604         * omp-low.c: Update tree_pass descriptors.
8605         * tree-ssa-dse.c: Update tree_pass descriptors.
8606         * ipa-reference.c: Update tree_pass descriptors.
8607         * tree-ssa-uncprop.c: Update tree_pass descriptors.
8608         * auto-inc-dec.c: Update tree_pass descriptors.
8609         * reorg.c: Update tree_pass descriptors.
8610         * cgraphunit.c: Update tree_pass descriptors.
8611         * tree-ssa-copyrename.c: Update tree_pass descriptors.
8612         * tree-ssa-ccp.c: Update tree_pass descriptors.
8613         * df-core.c: Update tree_pass descriptors.
8614         * mode-switching.c: Update tree_pass descriptors.
8615         * tree-nomudflap.c: Update tree_pass descriptors.
8616         * modulo-sched.c: Update tree_pass descriptors.
8617         * ipa-pure-const.c: Update tree_pass descriptors.
8618         * cse.c: Update tree_pass descriptors.
8619         * web.c: Update tree_pass descriptors.
8620         * tree-stdarg.c: Update tree_pass descriptors.
8621         * tree-ssa-math-opts.c: Update tree_pass descriptors.
8622         * tree-ssa-dom.c: Update tree_pass descriptors.
8623         * tree-nrv.c: Update tree_pass descriptors.
8624         * tree-ssa-alias.c: Update tree_pass descriptors.
8625         * loop-init.c: Update tree_pass descriptors.
8626         * gimple-low.c: Update tree_pass descriptors.
8627         * ipa-inline.c: Update tree_pass descriptors.
8628         * tree-ssa-sink.c: Update tree_pass descriptors.
8629         * global.c: Update tree_pass descriptors.
8630         * ifcvt.c: Update tree_pass descriptors.
8631         * jump.c: Update tree_pass descriptors.
8632         * predict.c: Update tree_pass descriptors.
8633         * tree-ssa-loop.c: Update tree_pass descriptors.
8634         * recog.c: Update tree_pass descriptors.
8635         * dse.c: Update tree_pass descriptors.
8636         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
8637         * tree-eh.c: Update tree_pass descriptors.
8638         * regmove.c: Update tree_pass descriptors.
8639         * local-alloc.c
8640         * function.c: Update tree_pass descriptors.
8641         * tree-vectorizer.c: Update tree_pass descriptors.
8642         * gcse.c: Update tree_pass descriptors.
8643         * ipa-type-escape.c: Update tree_pass descriptors.
8644         * tree-if-conv.c: Update tree_pass descriptors.
8645         * init-regs.c: Update tree_pass descriptors.
8646         * ipa.c: Update tree_pass descriptors.
8647         * tree-ssa-phiopt.c: Update tree_pass descriptors.
8648         * rtl-factoring.c: Update tree_pass descriptors.
8649         * lower-subreg.c: Update tree_pass descriptors.
8650         * bt-load.c: Update tree_pass descriptors.
8651         * tree-dfa.c: Update tree_pass descriptors.
8652         * except.c: Update tree_pass descriptors.
8653         * emit-rtl.c: Update tree_pass descriptors.
8654         * cfgexpand.c: Update tree_pass descriptors.
8655         * tree-cfgcleanup.c: Update tree_pass descriptors.
8656         * cfgcleanup.c: Update tree_pass descriptors.
8657         * tree-ssa-pre.c: Update tree_pass descriptors.
8658         * tree-sra.c: Update tree_pass descriptors.
8659         * tree-mudflap.c: Update tree_pass descriptors.
8660         * tree-ssa-copy.c: Update tree_pass descriptors.
8661         * cfglayout.c: Update tree_pass descriptors.
8662         * tree-ssa-forwprop.c: Update tree_pass descriptors.
8663         * tree-ssa-dce.c: Update tree_pass descriptors.
8664         * tree-ssa.c: Update tree_pass descriptors.
8665         * regclass.c: Update tree_pass descriptors.
8666         * integrate.c: Update tree_pass descriptors.
8667         * tree-optimize.c: Update tree_pass descriptors.
8668         * tree-ssa-phiprop.c: Update tree_pass descriptors.
8669         * tree-object-size.c: Update tree_pass descriptors.
8670         * combine.c: Update tree_pass descriptors.
8671         * tree-outof-ssa.c: Update tree_pass descriptors.
8672         * bb-reorder.c: Update tree_pass descriptors.
8673         * stack-ptr-mod.c: Update tree_pass descriptors.
8674         * var-tracking.c: Update tree_pass descriptors.
8675         * tree-profile.c: Update tree_pass descriptors.
8676         * tree-vect-generic.c: Update tree_pass descriptors.
8677         * reg-stack.c: Update tree_pass descriptors.
8678         * sched-rgn.c: Update tree_pass descriptors.
8679         * tree-ssa-structalias.c: Update tree_pass descriptors.
8680         * tree-cfg.c: Update tree_pass descriptors.
8681         * passes.c (current_pass): Update declaration.
8682         (finish_optimization_passes): Update.
8683         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
8684         (register_one_dump_file, register_dump_files_1, next_pass_1):
8685         Update arguments.
8686         (init_optimization_passes): Update handling of new types.
8687         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
8688         * ipa-struct-reorg.c: Update tree_pass descriptors.
8689         * tree-ssa-reassoc.c: Update tree_pass descriptors.
8690         * combine-stack-adj.c: Update tree_pass descriptors.
8691         * cfgrtl.c: Update tree_pass descriptors.
8692         * dce.c: Update tree_pass descriptors.
8693         * tree-ssanames.c: Update tree_pass descriptors.
8694
8695 2008-03-19  Richard Guenther  <rguenther@suse.de>
8696
8697         PR middle-end/35609
8698         * tree-ssa.c (walk_data): New structure.
8699         (warn_uninitialized_var): If not always_executed warn with "maybe"
8700         instead of "is".
8701         (execute_early_warn_uninitialized): Compute post-dominators.
8702         Initialize always_executed before processing each basic block.
8703
8704 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
8705
8706         PR target/35504
8707         * config/i386/i386.c (x86_this_parameter): Calculate correct location
8708         of "this" pointer when "regparm = N" or "fastcall" is in effect.
8709
8710 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8711
8712         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
8713
8714 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
8715
8716         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
8717         is true.
8718         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
8719         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
8720         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
8721         target after ignore has been set, and move there also the commputation
8722         of subtarget and original_target.
8723         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
8724         (LANG_HOOKS_INITIALIZER): Remove it.
8725         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
8726
8727 2008-03-18  Richard Guenther  <rguenther@suse.de>
8728
8729         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
8730         found an expression with constants, note that in the VN for the lhs.
8731         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
8732         fold them to constants if possible.  Run cleanup_cfg if done so.
8733         (execute_pre): Return todo.
8734         (do_pre): Likewise.
8735         (execute_fre): Likewise.
8736         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
8737         of constants.
8738         (get_prop_source_stmt): Look through pointer conversions.
8739
8740 2008-03-18  Jan Hubicka  <jh@suse.cz>
8741
8742         * tree-pretty-print.c: Include predict.h.
8743         (dump_generic_node): Dump predictor.
8744         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
8745         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
8746         * gimple-low.c (lower_stmt): Likewise.
8747         * expr.c (expand_expr_real): Likewise.
8748         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
8749         them.
8750         (build_predict_expr, build_predict_expr): New.
8751         * predict.h (predictor_name, build_predict_expr): Update.
8752         * c-typeck.c (c_finish_bc_stmt): Add prediction.
8753         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
8754         * predict.def (PRED_CONTINUE): Update hitrate.
8755         * tree.def (PREDICT_EXPR): Define.
8756         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
8757         do not handle BIND_EXPR.
8758         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
8759         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
8760         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
8761         operands.
8762
8763 2008-03-18  Michael Matz  <matz@suse.de>
8764
8765         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
8766
8767 2008-03-18  Richard Guenther  <rguenther@suse.de>
8768
8769         * tree-gimple.h (is_gimple_invariant_address): Declare.
8770         (is_gimple_constant): Likewise.
8771         * tree-gimple.c (is_gimple_constant): New function.
8772         (is_gimple_invariant_address): Likewise.
8773         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
8774         and is_gimple_invariant_address.
8775         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
8776         previous change.
8777         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
8778         an addressable base.
8779
8780 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
8781
8782         PR middle-end/35611
8783         * gimplify.c (gimplify_expr): Gimplify second operand of
8784         OMP_ATOMIC_LOAD.
8785
8786 2008-03-17  Richard Guenther  <rguenther@suse.de>
8787
8788         PR tree-optimization/19637
8789         * fold-const.c (fold_unary): Remove restrictions of removing
8790         intermediate pointer-conversions (P2)(P1)P0.
8791         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
8792         conversion to void pointer.
8793         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
8794
8795 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
8796
8797         PR debug/31510
8798         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
8799         emulated thread local variables.
8800
8801 2008-03-16  Richard Guenther  <rguenther@suse.de>
8802
8803         PR middle-end/35607
8804         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
8805         expand TREE_INVARIANT operations that are not gimple invariant.
8806
8807 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
8808
8809         * doc/extend.texi (Alignment): Say that the ABI controls
8810         the __alignof__ for non-strict-alignment targets rather
8811         than being a recommendation.
8812
8813 2008-03-15  Paul Brook  <paul@codesourcery.com>
8814
8815         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
8816         annotations.
8817         (arm_output_fn_unwind): Mark functions that can not be unwound.
8818
8819 2008-03-15  Paul Brook  <paul@codesourcery.com>
8820
8821         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
8822         extension instructions.
8823
8824 2008-03-15  Richard Guenther  <rguenther@suse.de>
8825
8826         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
8827         and fold constant aggregate refs.
8828         (fold_const_aggregate_ref): Handle string constants
8829         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
8830         (evaluate_stmt): Simplify now that ccp_fold folds constant
8831         aggregate refs.
8832
8833 2008-03-15  Paul Brook  <paul@codesourcery.com>
8834
8835         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
8836         (extzv): Use gen_extzv_t2.
8837         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
8838
8839 2008-03-15  Richard Guenther  <rguenther@suse.de>
8840
8841         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
8842         (fold_const_aggregate_ref): Likewise.
8843         (get_value): Return NULL if we don't have any values.
8844         (ccp_finalize): Set const_val to NULL after freeing it.
8845         * tree-flow.h (get_symbol_constant_value): Declare.
8846         (fold_const_aggregate_ref): Likewise.
8847         * tree-ssa-sccvn.c (try_to_simplify): Use them.
8848
8849 2008-03-15  Richard Guenther  <rguenther@suse.de>
8850
8851         PR middle-end/35593
8852         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
8853         to not produce negative array indices if not allowed.  Add
8854         parameter to indicate that.
8855         (maybe_fold_offset_to_component_ref): Allow negative array
8856         indices only for the first member of a structure.
8857         (maybe_fold_offset_to_reference): Allow negative array indices.
8858         (maybe_fold_stmt_addition): Likewise.
8859
8860 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
8861             Anatoly Sokolov <aesok@post.ru>
8862
8863         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
8864         (avr_arch): Add ARCH_AVR6.
8865         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
8866         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
8867         instead of fixed value 2.
8868         (print_operand_address): Use gs() asm specifier instead of pm().
8869         (avr_assemble_integer): (Ditto.).
8870         (avr_output_addr_vec_elt): (Ditto.).
8871         (print_operand): Handle "!" code.
8872         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
8873         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
8874         (AVR_HAVE_EIJMP_EICALL): Define.
8875         (AVR_3_BYTE_PC): Redefine.
8876         (AVR_2_BYTE_PC): (Ditto.).
8877         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
8878         (LINK_SPEC): Add atmega2560 and atmega2561.
8879         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
8880         (crtm2561.o).
8881         * config/avr/avr.md (call_insn): Use eicall instead of icall 
8882         for 3 byte PC devices.
8883         (call_value_insn): (Ditto.).
8884         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
8885         (indirect_jump): Use only for for 2 byte PC devices.
8886         (*tablejump): (Ditto.).
8887         (*indirect_jump_avr6): Add insn.
8888         (*tablejump_rjmp): Don't use for 3 byte PC devices.
8889         * config/avr/libgcc.S (__prologue_saves__): Use eijmp 
8890         instead of ijmp for 3 byte PC devices.
8891         (__tablejump2__): (Ditto.).
8892         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
8893         (MULITLIB_DIRNAMES): (Ditto.). 
8894         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
8895
8896 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
8897
8898         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
8899         "sse2_umulsidi3".  Use V1DI mode for operand 0.
8900         ("mmx_psadbw"): Use V1DI mode for operand 0.
8901         * config/i386/i386-modes.def (V1SI): New vector mode.
8902         * config/i386/i386.c (struct builtin_description)
8903         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
8904         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
8905         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
8906         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
8907         v1di_ftype_v8qi_v8qi type.
8908         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
8909
8910         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
8911         __builtin_ia32_pmuludq]: Fix the mode of return value.
8912
8913 2008-03-15  Richard Guenther  <rguenther@suse.de>
8914
8915         PR middle-end/35595
8916         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
8917         being a PHI_NODE.
8918
8919 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
8920         
8921         * doc/invoke.texi (Option Summary, Xtensa Options): Document
8922         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
8923         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
8924         unless TARGET_SERIALIZE_VOLATILE is enabled.
8925         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
8926         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
8927         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
8928
8929 2008-03-14  Richard Guenther  <rguenther@suse.de>
8930
8931         PR tree-optimization/34172
8932         * tree-flow.h (refs_may_alias_p): Declare.
8933         (get_single_def_stmt): Likewise.
8934         (get_single_def_stmt_from_phi): Likewise.
8935         (get_single_def_stmt_with_phi): Likewise.
8936         * tree-dfa.c (refs_may_alias_p): New function.
8937         (get_single_def_stmt): Likewise.
8938         (get_single_def_stmt_from_phi): Likewise.
8939         (get_single_def_stmt_with_phi): Likewise.
8940         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
8941         (vn_reference_lookup_1): New helper function.
8942         (vn_reference_lookup): Walk the virtual use-def chain to
8943         continue searching for a match if the def does not alias the
8944         reference we are looking for.
8945
8946 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
8947
8948         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
8949         archive and Perzl.  Update The Written Word listing.
8950
8951 2008-03-14  Richard Guenther  <rguenther@suse.de>
8952
8953         PR tree-optimization/34043
8954         PR tree-optimization/33989
8955         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
8956         when doing FRE.
8957         (bitmap_find_leader): Use extra argument to verify dominance
8958         relationship inside a basic-block.
8959         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
8960         (find_leader_in_sets): Adjust.
8961         (create_component_ref_by_pieces): Take extra argument for
8962         dominance check, handle lookup failures.
8963         (find_or_generate_expression): Likewise.
8964         (create_expression_by_pieces): Likewise.
8965         (insert_into_preds_of_block): Adjust.
8966         (create_value_expr_from): If asked for, verify all operands
8967         are in the blocks AVAIL_OUT set.
8968         (make_values_for_stmt): Check for SSA_NAMEs that are life
8969         over an abnormal edge.
8970         (compute_avail): Remove such check.
8971         (do_SCCVN_insertion): New function.
8972         (eliminate): If we do not find a leader suitable for replacement
8973         insert a replacement expression from SCCVN if available.
8974         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
8975         (struct vn_ssa_aux): Add needs_insertion flag.
8976         * tree-ssa-sccvn.c (may_insert): New global flag.
8977         (copy_reference_ops_from_ref): Value-number union member access
8978         based on its size, not type and member if insertion is allowed.
8979         (visit_reference_op_load): For a weak match from union type
8980         punning lookup a view-converted value and insert a SSA_NAME
8981         for that value if that is not found.
8982         (visit_use): Make dumps shorter.  Do not disallow value numbering
8983         SSA_NAMEs that are life over an abnormal edge to constants.
8984         (free_scc_vn): Release inserted SSA_NAMEs.
8985         (run_scc_vn): New flag to specify whether insertion is allowed.
8986         Process SSA_NAMEs in forward order.
8987         * tree-ssa-loop-im.c (for_each_index): Handle invariant
8988         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
8989         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
8990         pointer type to/from integral types that do not change the
8991         precision to regular conversions.
8992
8993 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
8994
8995         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
8996         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
8997         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
8998         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
8999         input arguments and the mode of return value.  Built-in functions
9000         that operate on whole 64-bit MMX register now use V1DI mode.
9001
9002 2008-03-13  Alon Dayan  <alond@il.ibm.com>
9003             Olga Golovanevsky  <olga@il.ibm.com>
9004
9005         PR tree-optimization/35041
9006         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
9007         to locate the right position in a statement.
9008
9009 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
9010
9011         PR target/34000
9012         PR target/35553
9013         * config/i386/xmmintrin.h:  Change all static inline functions to
9014         extern inline and add __gnu_inline__ attribute.
9015         * config/i386/bmintrin.h: Ditto.
9016         * config/i386/smmintrin.h: Ditto.
9017         * config/i386/tmmintrin.h: Ditto.
9018         * config/i386/mmintrin-common.h: Ditto.
9019         * config/i386/ammintrin.h: Ditto.
9020         * config/i386/emmintrin.h: Ditto.
9021         * config/i386/pmmintrin.h: Ditto.
9022         * config/i386/mmintrin.h: Ditto.
9023         * config/i386/mm3dnow.h: Ditto.
9024
9025 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
9026
9027         PR middle-end/35185
9028         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
9029         (lower_omp_2): New function.
9030         (lower_omp_1, lower_omp): Rewritten.
9031
9032 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
9033
9034         PR 35054
9035         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
9036         with the phrase "Microsoft Windows compilers".
9037         (Push/Pop Macro Pragmas): New subsection. Document
9038         #pragma push_macro and pragma pop_macro.
9039
9040 2008-03-12  Paul Brook  <paul@codesourcery.com>
9041
9042         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
9043
9044 2008-03-12  Paul Brook  <paul@codesourcery.com>
9045
9046         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
9047         (thumb2_alusi3_short): Exclude PLUS and MINUS.
9048         (thumb2_addsi_shortim): Rename ...
9049         (thumb2_addsi_short): ... to this.  Allow register operands.
9050         (thumb2_subsi_short): New pattern.
9051         (thumb2_one_cmplsi2_short,
9052         thumb2_negsi2_short): New patterns and peepholes.
9053
9054 2008-03-12  Paul Brook  <paul@codesourcery.com>
9055
9056         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
9057
9058 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
9059
9060         * config/i386/i386.md (int_cond): New code iterator.
9061         (fp_cond): Ditto.
9062         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
9063         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
9064         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
9065         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
9066         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
9067         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
9068         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
9069         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
9070
9071 2008-03-12  Paul Brook  <paul@codesourcery.com>
9072
9073         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
9074         instead of {arm,thumb}_compute_save_reg_mask.
9075         (output_return_instruction): Ditto.
9076         (thumb_unexpanded_epilogue): Ditto.
9077         (thumb1_expand_prologue): Ditto.
9078         (thumb1_output_function_prologue): Ditto.
9079         (arm_set_return_address): Ditto.
9080         (thumb_set_return_address): Ditto.
9081         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
9082         regs to achieve stack alignment.
9083         (thumb1_compute_save_reg_mask): Fix compiler warning.
9084         (arm_output_epilogue): Use offsets->saved_regs_mask.
9085         Adjust stack pointer by poping call clobered registers.
9086         (arm_expand_prologue): Use offsets->saved_regs_mask.
9087         Adjust stack pointer by pushing extra registers.
9088         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
9089
9090 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
9091
9092         PR tree-opt/35422
9093         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
9094         conversion to the operands of a multiplication.
9095
9096 2008-03-12  Richard Guenther  <rguenther@suse.de>
9097
9098         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
9099         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
9100         * timevar.def (TV_TREE_PHIPROP): Add.
9101         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
9102         pass description.  Use TV_TREE_PHIPROP.
9103         * tree-ssa-forwprop.c: Remove phiprop code.
9104
9105 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
9106
9107         PR middle-end/35549
9108         * omp-low.c (maybe_lookup_decl): Constify first argument.
9109         (use_pointer_for_field): Change last argument from bool to
9110         omp_context *.  Disallow shared copy-in/out in nested
9111         parallel if decl is shared in outer parallel too.
9112         (build_outer_var_ref, scan_sharing_clauses,
9113         lower_rec_input_clauses, lower_copyprivate_clauses,
9114         lower_send_clauses, lower_send_shared_vars): Adjust callers.
9115
9116 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
9117             Ira Rosen  <irar@il.ibm.com>
9118
9119         * tree-vectorizer.c (free_stmt_vec_info): New function.
9120         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
9121         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
9122         * tree-vectorizer.h (free_stmt_vec_info): Declare.
9123         * tree-vect-transform.c (vectorizable_conversion): Free
9124         vec_oprnds0 if it was allocated.
9125         (vect_permute_store_chain): Remove unused VECs.
9126         (vectorizable_store): Free VECs that are allocated in the..
9127         function.
9128         (vect_transform_strided_load, vectorizable_load): Likewise.
9129         (vect_remove_stores): Simplify the code.
9130         (vect_transform_loop): Move code to vect_remove_stores().
9131         Call vect_remove_stores() and free_stmt_vec_info().
9132
9133 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9134
9135         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
9136         TARGET_HPUX.  Revise comment.
9137         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
9138         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
9139         Use sr4 variant of `be' instruction when not generating PIC code.
9140         (attr_length_call): Adjust for above change.
9141
9142 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9143
9144         * ipa-reference.c (static_execute): Remove module_statics_const and
9145         associated setting code.
9146
9147 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
9148
9149         PR target/35540
9150         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
9151         predicate for operand 1.
9152         (paritysi2_cmp): Use register_operand predicate for operand 2.
9153         Use earlyclobber modifier for operand 1.  Remove support for
9154         memory operands.
9155         (paritydi2_cmp): Use register_operand predicate for operand 3.
9156         Use earlyclobber modifier for operand 1.  Remove support for
9157         memory operands.
9158
9159 2008-03-11  Paul Brook  <paul@codesourcery.com>
9160             Vladimir Prus  <vladimir@codesourcery.com>
9161
9162         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
9163         (arm_compute_save_reg0_reg12_mask): Always
9164         check if register 11 must be saved.  Always safe hard frame pointer
9165         when frame_pointer_needeed.
9166         (arm_compute_save_reg_mask): Save IP and PC
9167         only with apcs frames.
9168         (arm_output_epilogue): Adjust Thumb2 codepath to
9169         be also invoked and work for ARM non-apcs frames.
9170         (arm_expand_prologue): Don't bother saving IP
9171         for non-apcs frame, since it's not clobbered by
9172         prologue code.  Implement non-apcs frame
9173         layout.
9174
9175 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
9176
9177         PR rtl-optimization/35281
9178         * expr.c (convert_move): Use a new pseudo for the intermediate
9179         from_mode->word_mode result.
9180
9181 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
9182
9183         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
9184         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
9185         * toplev.c (compile_file): Don't call it.
9186
9187 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
9188
9189         PR middle-end/35526
9190         * expr.c (store_expr): Call emit_block_move if the mode
9191         of "temp" RTX is BLKmode.
9192
9193 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9194             Richard Guenther  <rguenther@suse.de>
9195
9196         PR tree-optimization/31358
9197         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
9198         the step with a NULL_TREE.
9199         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
9200         to sizetype if type is a pointer type.
9201         (add_candidate_1): Don't convert the base and step to
9202         the generic type if the orginal type is a pointer type.
9203         (add_iv_value_candidates): Use sizetype for the step
9204         if type is a pointer type.
9205         (cand_value_at): Likewise.
9206         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
9207         for pointer types.
9208         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
9209         Don't convert the tem affine to the type.
9210         (add_elt_to_tree): Use sizetype for the step if a pointer.
9211         Use POINTER_PLUS_EXPR for pointers.
9212         (aff_combination_to_tree): Use sizetype for the step if a
9213         pointer.
9214
9215 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
9216
9217         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
9218         Remove commutativity hint.
9219
9220 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
9221
9222         PR c/35438
9223         PR c/35439
9224         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
9225         errorneous type.  Check that v is a VAR_DECL.
9226
9227         PR middle-end/35099
9228         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
9229
9230 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
9231
9232         PR tree-optimization/35494
9233         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
9234         may be overriden at link and run time.
9235
9236 2008-03-10  Richard Guenther  <rguenther@suse.de>
9237
9238         PR tree-optimization/34677
9239         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
9240         (poolify_tree): Likewise.
9241         (modify_expr_template): Likewise.
9242         (poolify_modify_stmt): Likewise.
9243         (insert_fake_stores): Handle all component-ref style stores
9244         in addition to INDIRECT_REF.  Also handle complex types.
9245         Do not poolify the inserted load.
9246         (realify_fake_stores): Do not rebuild the tree but only
9247         make it a SSA_NAME copy.
9248         (init_pre): Remove initialzation of modify_expr_template.
9249         Do not allocate modify_expr_node_pool.
9250         (fini_pre): Do not free modify_expr_node_pool.
9251
9252 2008-03-10  Paul Brook  <paul@codesourcery.com>
9253
9254         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
9255         to avoid conflicts.
9256
9257 2008-03-10  Paul Brook  <paul@codesourcery.com>
9258             Mark Shinwell  <shinwell@codesourcery.com>
9259
9260         * config/arm/cortex-r4.md: New.
9261         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
9262         insn attributes.
9263         * config/arm/arm.md: Include cortex-r4.md.
9264         (insn): Add smmls, sdiv and udiv values.
9265         (generic_sched): Don't use generic scheduling for Cortex-R4.
9266         (arm_issue_rate): New function.
9267         (TARGET_SCHED_ISSUE_RATE): Define.
9268
9269 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
9270
9271         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
9272
9273 2008-03-10  Richard Guenther  <rguenther@suse.de>
9274
9275         * tree-ssa-pre.c (get_sccvn_value): Simplify.
9276         (compute_avail): Do not add stmt uses to AVAIL_OUT.
9277
9278 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
9279
9280         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
9281         Set default to true.
9282
9283 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9284
9285         * c.opt (Wsynth): Deprecate.
9286         * doc/invoke.texi (Option Summary, Warning Options): Document
9287         -Wno-format-contains-nul.
9288
9289 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
9290
9291         PR target/35496
9292         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
9293         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
9294
9295 2008-03-09  Ira Rosen  <irar@il.ibm.com>
9296
9297         * config/rs6000/rs6000.c (builtin_description): Rename vector
9298         left shift operations.
9299         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
9300         (altivec_vsl<VI_char>): Rename to ...
9301         (ashl<mode>3): ... new name.
9302         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
9303         gen_ashlv4si3.
9304         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
9305
9306 2008-03-08  Richard Guenther  <rguenther@suse.de>
9307
9308         * coverage.h (tree_coverage_counter_addr): Declare.
9309         * coverage.c (tree_coverage_counter_addr): New function.
9310         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
9311         before using again.
9312         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
9313         (tree_gen_one_value_profiler): Likewise.
9314         (tree_gen_ic_profiler): Likewise.
9315         (tree_gen_average_profiler): Likewise.
9316         (tree_gen_ior_profiler): Likewise.
9317
9318 2008-03-08  Richard Guenther  <rguenther@suse.de>
9319
9320         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
9321         (vn_binary_op_insert): Likewise.
9322         (vn_unary_op_lookup): Likewise.
9323         (vn_unary_op_insert): Likewise.
9324         (vn_nary_op_lookup): Declare.
9325         (vn_nary_op_insert): Likewise.
9326         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
9327         and binary hashes, use a single obstack for unary_op_pool
9328         and binary_op_pool.
9329         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
9330         a single struct vn_nary_op_s.  Store tree code length and
9331         a variable number of operands.
9332         (struct vn_reference_op_struct): Remove unused op2.
9333         (vn_reference_op_eq): Do not compare op2.
9334         (vn_reference_op_compute_hash): Do not compute hash of op2.
9335         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
9336         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
9337         with vn_nary_op_compute_hash.
9338         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
9339         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
9340         vn_nary_op_lookup.
9341         (vn_unary_op_insert, vn_binary_op_insert): Replace with
9342         vn_nary_op_insert.
9343         (visit_unary_op): Call nary functions.
9344         (visit_binary_op): Likewise.
9345         (process_scc): Adjust for struct vn_tables_s changes.
9346         (allocate_vn_table): Likewise.
9347         (free_vn_table): Likewise.
9348         * tree-vn.c (vn_add): Call nary functions.
9349         (vn_lookup): Likewise.
9350
9351 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
9352
9353         PR target/35498
9354         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
9355         wdst back after sync_compare_and_swapqhi_internal.
9356
9357 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
9358
9359         PR target/22152
9360         * config/i386/i386-modes.def (V1DI): New vector mode.
9361         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
9362         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
9363         (MMXMODE248): Ditto.
9364         (MMXMODE): Add V1DI mode.
9365         (mmxvecsize): Change DI mode to V1DI mode.
9366         ("mov<mode>): Use MMXMODEI8 mode iterator.
9367         ("*mov<mode>_internal_rex64"): Ditto.
9368         ("*mov<mode>_internal"): Ditto.
9369         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
9370         ("mmx_sub<mode>3"): Ditto.
9371         ("mmx_adddi3"): Remove insn pattern.
9372         ("mmx_subdi3"): Ditto.
9373         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
9374         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
9375         ("mmx_ashl<mode>3"): Ditto.
9376         ("mmx_lshrdi3"): Remove insn pattern.
9377         ("mmx_ashldi3"): Ditto.
9378         * config/i386/i386.c (classify_argument): Handle V1DImode.
9379         (function_arg_advance_32): Ditto.
9380         (function_arg_32): Ditto.
9381         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
9382         mmx_addv1di3 insn pattern.
9383         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
9384         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
9385         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
9386         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
9387         Remove definitions of built-in functions.
9388         (V1DI_type_node): New node.
9389         (v1di_ftype_v1di_int): Ditto.
9390         (v1di_ftype_v1di_v1di): Ditto.
9391         (v2si_ftype_v2si_si): Ditto.
9392         (v4hi_ftype_v4hi_di): Remove node.
9393         (v2si_ftype_v2si_di): Ditto.
9394         (ix86_init_mmx_sse_builtins): Handle V1DImode.
9395         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
9396         Redefine builtins using def_builtin_const with *_ftype_*_int node.
9397         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
9398         Add new builtins using def_builtin_const.
9399         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
9400         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
9401         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
9402         * config/i386/mmintrin.h (__v1di): New typedef.
9403         (_mm_add_si64): Cast arguments to __v1di type.
9404         (_mm_sub_si64): Ditto.
9405         (_mm_sll_pi16): Cast __count to __v4hi type.
9406         (_mm_sll_pi32): Cast __count to __v2si type.
9407         (_mm_sll_si64): Cast arguments to __v1di type.
9408         (_mm_srl_pi16): Cast __count to __v4hi type.
9409         (_mm_srl_pi32): Cast __count to __v2si type.
9410         (_mm_srl_si64): Cast arguments to __v1di type.
9411         (_mm_sra_pi16): Cast __count to __v4hi type.
9412         (_mm_sra_pi32): Cast __count to __v2si type.
9413         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
9414         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
9415         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
9416         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
9417         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
9418         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
9419         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
9420         (_mm_srai_pi32): Use __builtin_ia32_psradi.
9421         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
9422         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
9423         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
9424         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
9425
9426 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
9427
9428         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
9429
9430 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
9431
9432         PR target/35373
9433         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
9434         reg+const addressing for Altivec modes.  Don't generate reg+reg
9435         addressing for TFmode or TDmode quantities.
9436
9437 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
9438
9439         * c-common.c (vector_types_convertible_p): Call langhook
9440         instead of comptypes.
9441
9442 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9443
9444         PR tree-opt/35402
9445         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
9446         integral and scalar float variables which have a
9447         NULL DECL_INITIAL.
9448
9449 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
9450
9451         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
9452         dwarf_register_span hook when emitting unwind information for
9453         register-to-memory saves.
9454         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
9455         (rs6000_frame_related): Remove call to spe_synthesize_frame.
9456
9457 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
9458
9459         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
9460         for the same VAR_DECL.
9461
9462 2008-03-06  Tom Tromey  <tromey@redhat.com>
9463
9464         * treelang: Delete.
9465         * doc/standards.texi (Standards): Don't mention treelang.
9466         * doc/invoke.texi (Overall Options): Don't mention treelang.
9467         * doc/install.texi (Prerequisites): Don't mention bison or
9468         treelang.
9469         (Configuration): Don't mention treelang.
9470         (Building): Likewise.
9471         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
9472
9473 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
9474
9475         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
9476         word-extractions out of a multi-word object.
9477
9478 2008-03-06  Richard Guenther  <rguenther@suse.de>
9479
9480         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
9481         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
9482         result type and precision.
9483         * expr.c (get_inner_reference): Set unsignedp based on the result
9484         type of BIT_FIELD_REF.
9485         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
9486         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
9487         (try_instantiate_multiple_fields): Likewise.  Use the correct type
9488         for BIT_FIELD_REF.
9489         (sra_build_assignment): Likewise.
9490         (sra_build_elt_assignment): Likewise.
9491         (sra_explode_bitfield_assignment): Likewise.
9492         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
9493         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
9494         set BIT_FIELD_REF_UNSIGNED.
9495         (vectorizable_load): Likewise.
9496
9497 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
9498
9499         * cse.c (cse_extended_basic_block): Invalidate artificial defs
9500         at bb start.
9501
9502 2008-03-06  Richard Guenther  <rguenther@suse.de>
9503
9504         * alias.c (struct alias_set_entry): Move has_zero_child field
9505         to pack with alias_set.
9506
9507 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
9508
9509         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
9510         32bit host.
9511
9512 2008-03-05  Ian Lance Taylor  <iant@google.com>
9513
9514         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
9515
9516 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
9517
9518         * fwprop.c (update_df): Support width and offset parameters of
9519         df_ref_create.
9520         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
9521         global_conflicts): Change DF_REF_EXTRACT to either
9522         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
9523         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
9524         * df-scan.c (df_ref_record, df_defs_record,
9525         df_ref_create_structure, df_def_record_1, df_uses_record,
9526         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
9527         df_bb_refs_collect, df_entry_block_defs_collect,
9528         df_exit_block_uses_collect): Support new width and offset fields.
9529         (ref_extract_pool): New storage pool.
9530         (df_free_ref): New function.
9531         (df_reg_chain_unlink, df_free_collection_rec,
9532         df_sort_and_compress_refs): Call df_free_ref.
9533         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
9534         of df_ref_extract.
9535         (df_ref_create_structure): Allocate df_ref_extract if offset and
9536         width fields are used.
9537         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
9538         (df_uses_record): Get offset and width from ZERO_EXTRACT 
9539         and SIGN_EXTRACT.
9540         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
9541         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
9542         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
9543         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
9544         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
9545         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
9546         (df_ref_extract): New structure.
9547         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
9548         (df_ref_create): Add width and offset parameters.
9549         
9550 2008-03-05  Richard Guenther  <rguenther@suse.de>
9551
9552         * tree-ssa-structalias.c (get_constraint_for_component_ref):
9553         Use ranges_overlap_p.
9554         (offset_overlaps_with_access): Rename
9555         to ranges_overlap_p and move ...
9556         * tree-flow-inline.h (ranges_overlap_p): ... here.
9557
9558         * tree.h (get_inner_reference, handled_component_p): Update
9559         comments.
9560
9561         * tree.h (record_component_aliases, get_alias_set,
9562         alias_sets_conflict_p, alias_sets_must_conflict_p,
9563         objects_must_conflict_p): Move declarations ...
9564         * alias.h (record_component_aliases, get_alias_set,
9565         alias_sets_conflict_p, alias_sets_must_conflict_p,
9566         objects_must_conflict_p): ... here.
9567         Include coretypes.h.
9568         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
9569
9570 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
9571
9572         * cfg.c: Include tree-flow.h.
9573         (remove_edge_raw): Call redirect_edge_var_map_clear.
9574         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
9575         * tree-flow-inline.h (redirect_edge_var_map_def): New.
9576         (redirect_edge_var_map_result): New.
9577         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
9578         PENDING_STMT use with redirect_edge_var_map_*.
9579         * tree-ssa.c (edge_var_maps): New definition.
9580         (redirect_edge_var_map_add): New.
9581         (redirect_edge_var_map_clear): New.
9582         (redirect_edge_var_map_dup): New.
9583         (redirect_edge_var_map_vector): New.
9584         (redirect_edge_var_map_destroy): New.
9585         (ssa_redirect_edge): Replace PENDING_STMT use with
9586         redirect_edge_var_map_*.
9587         (flush_pending_stmts): Same.
9588         (delete_tree_ssa): Destroy edge var map.
9589         * tree-flow.h (struct _edge_var_map): New.
9590         Define edge_var_map vector type.
9591         Declare redirect_edge_var_map_* prototypes.
9592         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
9593         * tree-cfg.c (reinstall_phi_args): Replace
9594         PENDING_STMT use with redirect_edge_var_map_*.
9595
9596 2008-03-05  Richard Guenther  <rguenther@suse.de>
9597
9598         PR tree-optimization/35472
9599         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
9600         whose single use_stmt has a overlapping set of loaded and
9601         stored symbols as that use_stmt might be a noop assignment then.
9602
9603 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
9604
9605         * gthr-rtems.h: Implement __gthread_mutex_destroy.
9606
9607 2008-03-05  Richard Guenther  <rguenther@suse.de>
9608
9609         PR c++/35336
9610         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
9611         should be constants.
9612         * tree-cfg.c (verify_expr): Verify it.
9613         * fold-const.c (fold_truthop): Remove code generating
9614         BIT_FIELD_REFs of structure bases.
9615         (fold_binary): Likewise.
9616         (fold_ternary): Position and size of BIT_FIELD_REFs are
9617         always host integers.
9618         (make_bit_field_ref): Remove.
9619         (optimize_bit_field_compare): Remove.
9620         (all_ones_mask_p): Remove.
9621
9622 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
9623
9624         PR gcc/33009
9625         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
9626         (split_block_and_df_analyze): New. Split basic block and rebuild
9627         dataflow.
9628         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
9629         SPLIT_BLOCK.
9630         (split_pattern_seq): Likewise.
9631         (erase_matching_seqs): Likewise.
9632         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
9633
9634 2008-03-04  Geoff Keating  <geoffk@apple.com>
9635
9636         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
9637         declaration and code.
9638         (tree_invalid_nonnegative_warnv_p): Likewise.
9639
9640 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9641
9642         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
9643         examples.  Truncate option-names then causing overfull hbox.
9644
9645 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9646
9647         PR target/35222
9648         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
9649         on hpux10.
9650         * configure: Rebuilt.
9651
9652 2008-03-04  Rafael Espindola  <espindola@google.com>
9653
9654         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
9655         (tree_unary_nonnegative_warnv_p): New.
9656         (tree_binary_nonnegative_warnv_p): New.
9657         (tree_single_nonnegative_warnv_p): New.
9658         (tree_invalid_nonnegative_warnv_p): New.
9659         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
9660
9661 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9662
9663         PR 28322
9664         * opts.c (handle_option): Postpone 'unknown option' errors only for
9665         warning options.
9666
9667 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
9668
9669         PR target/35453
9670         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
9671         (_SIDD_XXX): This.
9672
9673 2008-03-04  Rafael Espindola  <espindola@google.com>
9674
9675         * fold-const.c (tree_unary_nonzero_warnv_p): New.
9676         (tree_binary_nonzero_warnv_p): New.
9677         (tree_single_nonzero_warnv_p): New.
9678         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
9679
9680 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
9681
9682         PR middle-end/35456
9683         * fold-const.c (fold_cond_expr_with_comparison): Prevent
9684         transformations for modes that have signed zeros.
9685         * ifcvt.c (noce_try_abs): Ditto.
9686
9687 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
9688
9689         * config/i386/i386.c (override_options): Force
9690         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
9691
9692 2008-03-04  Jan Hubicka  <jh@suse.cz>
9693
9694         PR c++/35262
9695         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
9696         in last commit.
9697
9698 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
9699
9700         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
9701         label to probe the stack.
9702
9703 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
9704
9705         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
9706         (__gthr_win32_mutex_destroy): Declare.
9707         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
9708         __gthr_win32_mutex_destroy.
9709         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
9710
9711 2008-03-03  Jan Hubicka  <jh@suse.cz>
9712
9713         PR c++/35262
9714         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
9715         aggressive on inlining cold calls.
9716
9717 2008-03-03  Richard Guenther  <rguenther@suse.de>
9718
9719         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
9720         struct copies into the expression table.
9721         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
9722         (try_to_simplify): Likewise.
9723         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
9724         integral and pointer arguments which do not change the
9725         precision to NOP_EXPRs.
9726         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
9727         VIEW_CONVERT_EXPR case.
9728
9729 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
9730
9731         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
9732         defined in a loop at depth 0 is invariant.
9733         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
9734         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
9735         be called at loop depth 0.
9736
9737 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
9738
9739         PR driver/35420
9740         * gcc.c (process_command): Update copyright notice dates.
9741         * gcov.c (print_version): Likewise.
9742         * gcov-dump.c (print_version): Likewise.
9743         * mips-tfile.c (main): Likewise.
9744         * mips-tdump.c (main): Likewise.
9745
9746 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9747
9748         PR 24924
9749         * c-common.c (flag_permissive): Delete.
9750         (constant_expression_warnings): Check flags first.
9751         (constant_expression_error): New.
9752         * c-common.h (flag_permissive): Delete.
9753         (constant_expression_error): Declare.
9754         * flags.h (flag_permissive): Declare. Update description.
9755         * diagnostic.c (pedwarn): Update.
9756         (permerror): New.
9757         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
9758         (permissive_error_kind): New.
9759         * toplev.c (flag_permissive): Define. Update description.
9760         * toplev.h (permissive_error_kind): Declare.
9761         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
9762         (pedwarn_c90): Use pedantic_warning_kind.
9763         * c-opts.c (c_common_post_options): flag_permissive does not affect
9764         flag_pedantic_errors.
9765
9766 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
9767
9768         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
9769         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
9770         __absvsi2, __absvDI2): Use unsigned arithmetic.
9771
9772 2008-03-02  Andi Kleen  <ak@suse.de>
9773             Richard Guenther  <rguenther@suse.de>
9774
9775         * struct-equiv.c: Remove file.
9776         * cfg_cleanup.c (condjump_equiv_p): Remove.
9777         * Makefile.in (OBJS-common): Remove struct-equiv.o.
9778         (struct-equiv.o): Remove rule.
9779         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
9780         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
9781         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
9782
9783 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
9784
9785         * ifcvt.c (noce_process_if_block): Try to handle only the then
9786         block if the else block exists but isn't suitable.
9787
9788 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
9789
9790         PR gcc/35063
9791         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
9792         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
9793         regression from previous patch.
9794
9795 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
9796
9797         PR gcc/35063
9798         * gthr.h: Add __gthread_mutex_destroy as a function that must be
9799         implemented.
9800         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
9801         * gthr-single.h (__gthread_mutex_destroy): Likewise.
9802         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
9803         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
9804         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
9805         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
9806         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
9807         (__gthread_mutex_destroy_function): Rename to
9808         __gthread_mutex_destroy.
9809         * gthr-dce.h (__gthread_mutex_destroy): Call
9810         pthread_mutex_destroy.
9811         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
9812         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
9813         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
9814
9815 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
9816
9817         * df-scan.c (df_ref_chain_change_bb): Simplify.
9818         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
9819         set_block_for_insn if there's any change.
9820         * df.h ((df_insn_change_bb): Fix prototype.
9821         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
9822         df_insn_change_bb, don't call set_block_for_insn.
9823         * emit-rtl.c (reorder_insns): Likewise.
9824         * haifa-sched.c (move_insn): Likewise.
9825
9826 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
9827
9828         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
9829
9830 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
9831
9832         * tree-flow-inline.h (next_readonly_imm_use): Return
9833         NULL_USE_OPERAND_P after the end.
9834
9835 2008-03-01  Richard Guenther  <rguenther@suse.de>
9836
9837         PR tree-optimization/35411
9838         * tree-sra.c (sra_build_assignment): Split conversion to
9839         final type to a separate statement if we are not assigning
9840         to a register.
9841
9842 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9843
9844         * fold-const.c (fold_convertible_p): Correct the logic to follow
9845         that in fold_convert().
9846
9847 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
9848
9849         PR c++/35315
9850         * tree-inline.c (build_duplicate_type): When we make a
9851         duplicate type, make it unique in the canonical types system.
9852
9853 2008-02-29  Tom Tromey  <tromey@redhat.com>
9854
9855         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
9856         input_file_stack_history, input_file_stack_restored): Remove.
9857         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
9858         * input.h (struct file_stack): Remove.
9859         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
9860         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
9861         Likewise.
9862         * diagnostic.h (struct diagnostic_context) <last_module>: Change
9863         type.
9864         (diagnostic_last_module_changed): Add 'map' argument.
9865         (diagnostic_set_last_function): Likewise.
9866         * diagnostic.c (undiagnostic_report_current_module): Iterate using
9867         line map, not input_file_stack.
9868         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
9869
9870 2008-02-29  Paul Brook  <paul@codesourcery.com>
9871
9872         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
9873
9874 2008-02-29  Paul Brook  <paul@codesourcery.com>
9875
9876         * config/arm/ieee754-df.S (muldf3): Use RET macros.
9877
9878 2008-02-29  Richard Guenther  <rguenther@suse.de>
9879
9880         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
9881         vn_lookup_or_add.
9882         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
9883         value for comparing for a store match.
9884         (simplify_unary_expression): Do nothing for SSA_NAMEs.
9885         (try_to_simplify): Do not do a full-blown reference lookup.
9886
9887 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
9888
9889         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
9890         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9891
9892         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
9893
9894 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
9895
9896         * tree-loop-linear.c (try_interchange_loops): Compare memory access
9897         strides against cache sizes.
9898
9899 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
9900
9901         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
9902         constant to fpul.
9903
9904 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
9905
9906         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
9907         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
9908         is smaller than the original promoted value.
9909         (simplify_subreg): If OP is a SUBREG, try to preserve its
9910         SUBREG_PROMOTED_VAR_P information.
9911
9912 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
9913
9914         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
9915         (VN_INFO_GET): Allocate new objects on the obstack.
9916         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
9917         for rpo_numbers_temp, for consistency.
9918         (free_scc_vn): Free the obstack.
9919
9920 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
9921
9922         * doc/invoke.texi: Document -ftree-loop-distribution.
9923         * tree-loop-distribution.c: New.
9924         * tree-pass.h (pass_loop_distribution): New.
9925         * graphds.h (struct graph): Add htab_t indices.
9926         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
9927         * tree-vectorizer.c (rename_variables_in_loop): Extern.
9928         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
9929         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
9930         * tree-data-ref.c (debug_data_dependence_relations): New.
9931         (dump_data_dependence_relation): Also print data references.
9932         (free_data_ref): Extern.
9933         (same_access_functions): Moved...
9934         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
9935         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
9936         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
9937         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
9938         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
9939         (stmts_from_loop): Skip LABEL_EXPR.
9940         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
9941         New.
9942         (build_rdg): Initialize rdg->indices htab.
9943         (free_rdg, stores_from_loop, ref_base_address,
9944         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
9945         have_similar_memory_accesses_1, ref_base_address_1,
9946         remove_similar_memory_refs): New.
9947         * tree-data-ref.h: Depend on tree-chrec.h.
9948         (debug_data_dependence_relations, free_data_ref): Declared.
9949         (same_access_functions): ... here.
9950         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
9951         New.
9952         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
9953         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
9954         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
9955         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
9956         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
9957         rdg_vertex_for_stmt): Declared.
9958         (struct rdg_edge): Add level.
9959         (RDGE_LEVEL): New.
9960         (free_rdg, stores_from_loop, remove_similar_memory_refs,
9961         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
9962         Declared.
9963         (rdg_has_similar_memory_accesses): New.
9964         * tree-vect-analyze.c: Remove unused static decls.
9965         * lambda.h (dependence_level): New.
9966         * common.opt (ftree-loop-distribution): New.
9967         * tree-flow.h (mark_virtual_ops_in_bb, 
9968         slpeel_tree_duplicate_loop_to_edge_cfg,
9969         rename_variables_in_loop): Declared.
9970         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
9971         (OBJS-common): Add tree-loop-distribution.o.
9972         (tree-loop-distribution.o): New rule.
9973         * tree-cfg.c (mark_virtual_ops_in_bb): New.
9974         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
9975         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
9976
9977 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
9978
9979         PR target/33963
9980         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
9981         other than structures and unions.
9982
9983 2008-02-28  Richard Guenther  <rguenther@suse.de>
9984
9985         Revert:
9986         2008-02-26  Richard Guenther  <rguenther@suse.de>
9987
9988         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
9989         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
9990         (lookup_decl_from_uid): Declare.
9991         (remove_decl_from_map): Likewise.
9992         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
9993         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
9994         (decl_for_uid_map): New global hashtable mapping DECL_UID
9995         to the decl tree.
9996         (init_ttree): Allocate it.
9997         (insert_decl_to_uid_decl_map): New helper function.
9998         (make_node_stat): Insert new decls into the map.
9999         (copy_node_stat): Likewise.
10000         (lookup_decl_from_uid): New function.
10001         (remove_decl_from_map): Likewise.
10002         (print_decl_for_uid_map_statistics): New helper.
10003         (dump_tree_statistics): Call it.
10004
10005         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
10006         (referenced_var_iterator): Adjust.
10007         (FOR_EACH_REFERENCED_VAR): Adjust.
10008         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
10009         (num_referenced_vars): Adjust.
10010         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
10011         (first_referenced_var): Remove.
10012         (end_referenced_vars_p): Likewise.
10013         (next_referenced_var): Likewise.
10014         (referenced_var_iterator_set): New helper function.
10015         * tree-dfa.c (referenced_var_lookup): Adjust.
10016         (referenced_var_check_and_insert): Likewise.
10017         (remove_referenced_var): Likewise.
10018         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
10019         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
10020         (verify_call_clobbering): Likewise.
10021         (verify_memory_partitions): Likewise.
10022         (init_tree_ssa): Allocate bitmap instead of hashtable for
10023         referenced_vars.
10024         (delete_tree_ssa): Adjust.
10025         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
10026         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
10027         (compute_tag_properties): Likewise.
10028         (set_initial_properties): Likewise.
10029         (find_partition_for): Likewise.
10030         (update_reference_counts): Likewise.
10031         (dump_may_aliases_for): Likewise.
10032         * tree-ssa-operands.c (add_virtual_operand): Likewise.
10033         (add_call_clobber_ops): Likewise.
10034         (add_call_read_ops): Likewise.
10035         (get_asm_expr_operands): Likewise.
10036         * tree-into-ssa.c (dump_decl_set): Likewise.
10037         (update_ssa): Likewise.
10038         * tree-sra.c (scan_function): Likewise.
10039         (decide_instantiations): Likewise.
10040         (scalarize_parms): Likewise.
10041         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
10042         (dsa_named_for): Likewise.
10043         * tree-ssa-structalias.c (update_alias_info): Likewise.
10044         (merge_smts_into): Likewise.
10045
10046 2008-02-27  David Daney  <ddaney@avtrex.com>
10047
10048         PR target/34409
10049         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
10050         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
10051         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
10052         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
10053         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
10054
10055 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
10056
10057         PR target/25477
10058         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
10059         (BUILT_IN_NEXTTOWARD): Remove.
10060         (BUILT_IN_NEXTTOWARDF): Ditto.
10061         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
10062         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
10063
10064 2008-02-27  Tom Tromey  <tromey@redhat.com>
10065
10066         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
10067         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
10068
10069 2008-02-27  Jan Beulich  <jbeulich@novell.com>
10070
10071         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
10072         update the respective field on newdecl.
10073
10074 2008-02-27  Revital Eres  <eres@il.ibm.com>
10075
10076         PR rtl-optimization/34999
10077         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
10078         crossing edges that ends with a call insn.
10079         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
10080         call insn and clear the EDGE_CROSSING flag of the crossing edge
10081         when fixing fallthru edges.
10082
10083 2008-02-27  Richard Guenther  <rguenther@suse.de>
10084
10085         PR middle-end/35390
10086         * fold-const.c (fold_unary): Return the correct argument,
10087         converted to the result type.
10088
10089 2008-02-27  Richard Guenther  <rguenther@suse.de>
10090
10091         PR middle-end/34971
10092         * expr.c (expand_expr_real_1): Assert on rotates that operate
10093         on partial modes.
10094         * fold-const.c (fold_binary): Use the types precision, not the
10095         bitsize of the mode if folding rotate expressions.  Build rotates
10096         only for full modes.
10097
10098 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
10099
10100         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
10101         and CPP_PRAGMA_EOL.
10102         * c-pragma.c (pragma_ns_name): New typedef.
10103         (registered_pp_pragmas): New variable.
10104         (c_pp_lookup_pragma): New function.
10105         (c_register_pragma_1): If flag_preprocess_only, do nothing
10106         for non-expanded pragmas, for expanded ones push pragma's
10107         namespace and name into registered_pp_pragmas vector.
10108         (c_invoke_pragma_handler): Register OpenMP pragmas even when
10109         flag_preprocess_only, don't register GCC pch_preprocess
10110         pragma if flag_preprocess_only.
10111         * c-opts.c (c_common_init): Call init_pragma even if
10112         flag_preprocess_only.
10113         * c-pragma.c (c_pp_lookup_pragma): New prototype.
10114         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
10115         cpp_register_pragma if flag_preprocess_only.
10116
10117 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10118
10119         PR c/28800
10120         * c-parser.c (c_parser_translation_unit): Warn for empty
10121         translation unit, not empty source file.
10122
10123 2008-02-26  Paul Brook  <paul@codesourcery.com>
10124
10125         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
10126         operand for Thumb-2.
10127         * config/arm/arm.h (reg_class): Add CORE_REGS.
10128         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
10129         (BASE_REG_CLASS): Use CORE_REGS.
10130         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
10131         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
10132         (REGNO_OK_FOR_INDEX_P): Exclude SP.
10133         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
10134         ARM_REGNO_OK_FOR_INDEX_P.
10135         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
10136         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
10137         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
10138         (ldm/stm peepholes): Ditto.
10139         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
10140         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
10141         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
10142         * config/arm/constraints.md: Enable "k" constraint on ARM.
10143
10144 2008-02-27  Ben Elliston  <bje@au.ibm.com>
10145
10146         * config/rs6000/rs6000.c: Annotate cache line size field in all
10147         instances of struct processor_costs.
10148
10149 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
10150
10151         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
10152         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
10153         jump_bypass): New counters.
10154         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
10155         * dce.c (gate_ud_dce): Same.
10156         (gate_fast_dce): Same.
10157         * dse.c (gate_dse1): New function.
10158         (gate_dse2): New function.
10159         (gate_dse): Merge results of new gate functions.
10160         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
10161         (gate_handle_jump_bypass): Add dbg_cnt.
10162         (gate_handle_gcse): Add dbg_cnt.
10163         * ifcvt.c (gate_handle_if_conversion): Same.
10164         (gate_handle_if_after_combine): Same.
10165         (gate_handle_if_after_reload): Same.
10166         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
10167
10168 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
10169
10170         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
10171         line sizes.
10172         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
10173
10174 2008-02-26  Jason Merrill  <jason@redhat.com>
10175
10176         PR c++/35315
10177         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
10178         alone if it's the naming decl for the type's main variant.
10179
10180 2008-02-26  Tom Tromey  <tromey@redhat.com>
10181
10182         * system.h (USE_MAPPED_LOCATION): Poison.
10183         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
10184         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
10185         (make_goto_expr_edges): Likewise.
10186         (remove_bb): Likewise.
10187         (execute_warn_function_return): Likewise.
10188         * basic-block.h (struct edge_def) <goto_locus>: Change type to
10189         location_t.
10190         * c-common.c (fname_decl): Remove old location code.
10191         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
10192         location code.
10193         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
10194         variant.
10195         (ASM_INPUT_SOURCE_LOCATION): Likewise.
10196         (gen_rtx_ASM_INPUT): Likewise.
10197         (gen_rtx_ASM_INPUT_loc): Likewise.
10198         (get_rtx_asm_OPERANDS): Remove.
10199         * cfglayout.c (insn_locators_alloc): Remove old location code.
10200         (set_curr_insn_source_location): Likewise.
10201         (curr_insn_locator): Likewise.
10202         * print-tree.c (print_node): Remove old location code.
10203         * tree-mudflap.c (mf_varname_tree): Remove old location code.
10204         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
10205         * cfgexpand.c (expand_gimple_cond_expr): Don't use
10206         location_from_locus.
10207         (construct_exit_block): Remove old location code.
10208         * emit-rtl.c (force_next_line_note): Remove old location code.
10209         * profile.c (branch_prob): Remove old location code.
10210         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
10211         LOC_LINE): Remove old-location variants.
10212         * langhooks.c (lhd_print_error_function): Remove old location
10213         code.
10214         * configure, config.in: Rebuilt.
10215         * configure.ac (--enable-mapped-location): Remove.
10216         * c-decl.c (c_init_decl_processing): Remove old location code.
10217         (finish_function): Likewise.
10218         * recog.c (decode_asm_operands): Remove old location code.
10219         * c-pch.c (c_common_read_pch): Remove old location code.
10220         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
10221         variants.
10222         * gimple-low.c (lower_function_body): Remove old location code.
10223         * toplev.c (unknown_location): Remove.
10224         (push_srcloc): Remove old-location variant.
10225         (process_options): Remove old location code.
10226         (lang_dependent_init): Likewise.
10227         * input.h (UNKNOWN_LOCATION): Move definition.
10228         (location_t): Undeprecate.
10229         (source_locus): Remove.
10230         (location_from_locus): Remove.
10231         (struct location_s): Remove.
10232         Remove all old-location code.
10233         (input_line, input_filename): Remove.
10234         * final.c (final_scan_insn): Remove old location code.
10235         * diagnostic.c (diagnostic_build_prefix): Remove
10236         USE_MAPPED_LOCATION test.
10237         * tree.h (gimple_stmt) <locus>: Now a location_t.
10238         (tree_exp) <locus>: Likewise.
10239         (DECL_IS_BUILTIN): Remove old-location variant.
10240         (annotate_with_file_line, annotate_with_locus): Likewise.
10241         (expr_locus, set_expr_locus): Update.
10242         * tree.c (build1_stat): Remove old location code.
10243         (last_annotated_node): Remove.
10244         (annotate_with_file_line): Remove old-location variant.
10245         (annotate_with_locus): Likewise.
10246         (expr_location): Remove old location code.
10247         (set_expr_location): Likewise.
10248         (expr_has_location): Likewise.
10249         (expr_locus): Likewise.
10250         (set_expr_locus): Likewise.
10251         (expr_filename): Don't use location_from_locus.
10252         (expr_lineno): Likewise.
10253         * rtl-error.c (location_for_asm): Remove old location code.
10254         * c-lex.c (cb_line_change): Remove old location code.
10255         (fe_file_change): Likewise.
10256         (cb_def_pragma): Likewise.
10257         (c_lex_with_flags): Likewise.
10258         * gengtype.c (do_typedef): Don't special-case location types.
10259         (define_location_structures): Remove.
10260         (main): Don't call define_location_structures.
10261         * tree-pretty-print.c (dump_implicit_edges): Remove old location
10262         code.
10263
10264 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10265
10266         PR 26264
10267         * builtins.def (BUILT_IN_STDARG_START): Remove.
10268         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
10269         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
10270         * tree-inline.c (inline_forbidden_p_1): Likewise.
10271         
10272 2008-02-26  Richard Guenther  <rguenther@suse.de>
10273
10274         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
10275         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
10276         (lookup_decl_from_uid): Declare.
10277         (remove_decl_from_map): Likewise.
10278         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
10279         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
10280         (decl_for_uid_map): New global hashtable mapping DECL_UID
10281         to the decl tree.
10282         (init_ttree): Allocate it.
10283         (insert_decl_to_uid_decl_map): New helper function.
10284         (make_node_stat): Insert new decls into the map.
10285         (copy_node_stat): Likewise.
10286         (lookup_decl_from_uid): New function.
10287         (remove_decl_from_map): Likewise.
10288         (print_decl_for_uid_map_statistics): New helper.
10289         (dump_tree_statistics): Call it.
10290
10291         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
10292         (referenced_var_iterator): Adjust.
10293         (FOR_EACH_REFERENCED_VAR): Adjust.
10294         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
10295         (num_referenced_vars): Adjust.
10296         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
10297         (first_referenced_var): Remove.
10298         (end_referenced_vars_p): Likewise.
10299         (next_referenced_var): Likewise.
10300         (referenced_var_iterator_set): New helper function.
10301         * tree-dfa.c (referenced_var_lookup): Adjust.
10302         (referenced_var_check_and_insert): Likewise.
10303         (remove_referenced_var): Likewise.
10304         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
10305         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
10306         (verify_call_clobbering): Likewise.
10307         (verify_memory_partitions): Likewise.
10308         (init_tree_ssa): Allocate bitmap instead of hashtable for
10309         referenced_vars.
10310         (delete_tree_ssa): Adjust.
10311         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
10312         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
10313         (compute_tag_properties): Likewise.
10314         (set_initial_properties): Likewise.
10315         (find_partition_for): Likewise.
10316         (update_reference_counts): Likewise.
10317         (dump_may_aliases_for): Likewise.
10318         * tree-ssa-operands.c (add_virtual_operand): Likewise.
10319         (add_call_clobber_ops): Likewise.
10320         (add_call_read_ops): Likewise.
10321         (get_asm_expr_operands): Likewise.
10322         * tree-into-ssa.c (dump_decl_set): Likewise.
10323         (update_ssa): Likewise.
10324         * tree-sra.c (scan_function): Likewise.
10325         (decide_instantiations): Likewise.
10326         (scalarize_parms): Likewise.
10327         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
10328         (dsa_named_for): Likewise.
10329         * tree-ssa-structalias.c (update_alias_info): Likewise.
10330         (merge_smts_into): Likewise.
10331
10332 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10333
10334         PR 34351
10335         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
10336         * c-opts.c (c_common_handle_option): Wall enables
10337         Wvolatile-register-var.
10338         * common.opt: Move Wvolatile-register-var to...
10339         * c.opt: ...here.
10340         
10341 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10342
10343         * common.opt (Wlarger-than=): New.
10344         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
10345         -Wlarger-than=.
10346         * opts.c (common_handle_option): Handle -Wlarger-than=.
10347         * optc-gen.awk: Likewise.
10348         * opth-gen.awk: Likewise.
10349         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
10350         * tree-optimize.c (tree_rest_of_compilation): Likewise.
10351         
10352 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10353
10354         * c-common.c (match_case_to_enum_1): Add appropriate
10355         OPT_W* parameter to warning.
10356         (c_do_switch_warnings): Likewise.
10357         * c-typeck.c (warning_init): Add one more parameter following
10358         'warning' function.
10359         (push_init_level): Update call to warning_init.
10360         (pop_init_level): Likewise.
10361         (add_pending_init): Likewise.
10362         (output_init_element: Likewise.
10363
10364 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10365
10366         PR 28322
10367         * toplev.c (toplev_main): If there are warnings or error, print
10368         errors for ignored options.
10369         * opts.c (ignored_options): New static variable.
10370         (postpone_unknown_option_error): New.
10371         (print_ignored_options): New.
10372         (handle_option): Postpone errors for unknown -Wno-* options.
10373         * opts.h (print_ignored_options): Declare.
10374         
10375 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
10376
10377         * config/mips/mips.md (loadgp_blockage, blockage): Change type
10378         to "ghost".
10379
10380 2008-02-25  Richard Guenther  <rguenther@suse.de>
10381
10382         Revert:
10383         2008-02-25  Richard Guenther  <rguenther@suse.de>
10384
10385         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
10386         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
10387         (lookup_decl_from_uid): Declare.
10388         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
10389         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
10390         (decl_for_uid_map): New global hashtable mapping DECL_UID
10391         to the decl tree.
10392         (init_ttree): Allocate it.
10393         (insert_decl_to_uid_decl_map): New helper function.
10394         (make_node_stat): Insert new decls into the map.
10395         (copy_node_stat): Likewise.
10396         (lookup_decl_from_uid): New function.
10397         (print_decl_for_uid_map_statistics): New helper.
10398         (dump_tree_statistics): Call it.
10399
10400         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
10401         (referenced_var_iterator): Adjust.
10402         (FOR_EACH_REFERENCED_VAR): Adjust.
10403         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
10404         (num_referenced_vars): Adjust.
10405         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
10406         (first_referenced_var): Remove.
10407         (end_referenced_vars_p): Likewise.
10408         (next_referenced_var): Likewise.
10409         (referenced_var_iterator_set): New helper function.
10410         * tree-dfa.c (referenced_var_lookup): Adjust.
10411         (referenced_var_check_and_insert): Likewise.
10412         (remove_referenced_var): Likewise.
10413         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
10414         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
10415         (verify_call_clobbering): Likewise.
10416         (verify_memory_partitions): Likewise.
10417         (init_tree_ssa): Allocate bitmap instead of hashtable for
10418         referenced_vars.
10419         (delete_tree_ssa): Adjust.
10420         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
10421         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
10422         (compute_tag_properties): Likewise.
10423         (set_initial_properties): Likewise.
10424         (find_partition_for): Likewise.
10425         (update_reference_counts): Likewise.
10426         (dump_may_aliases_for): Likewise.
10427         * tree-ssa-operands.c (add_virtual_operand): Likewise.
10428         (add_call_clobber_ops): Likewise.
10429         (add_call_read_ops): Likewise.
10430         (get_asm_expr_operands): Likewise.
10431         * tree-into-ssa.c (dump_decl_set): Likewise.
10432         (update_ssa): Likewise.
10433         * tree-sra.c (scan_function): Likewise.
10434         (decide_instantiations): Likewise.
10435         (scalarize_parms): Likewise.
10436         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
10437         (dsa_named_for): Likewise.
10438         * tree-ssa-structalias.c (update_alias_info): Likewise.
10439         (merge_smts_into): Likewise.
10440
10441 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
10442
10443         PR fortran/29549
10444         * doc/invoke.texi (-fcx-limited-range): Document new option.
10445         * toplev.c (process_options): Handle -fcx-fortran-rules.
10446         * common.opt: Add documentation for -fcx-fortran-rules.
10447
10448 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
10449
10450         PR c/35162
10451         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
10452         actual behaviour and C99.
10453         
10454 2008-02-26  Ben Elliston  <bje@au.ibm.com>
10455
10456         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
10457         (ASM_CPU_POWER6_SPEC): Likewise.
10458         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
10459         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
10460         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
10461
10462 2008-02-25  Richard Guenther  <rguenther@suse.de>
10463
10464         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
10465         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
10466         (lookup_decl_from_uid): Declare.
10467         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
10468         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
10469         (decl_for_uid_map): New global hashtable mapping DECL_UID
10470         to the decl tree.
10471         (init_ttree): Allocate it.
10472         (insert_decl_to_uid_decl_map): New helper function.
10473         (make_node_stat): Insert new decls into the map.
10474         (copy_node_stat): Likewise.
10475         (lookup_decl_from_uid): New function.
10476         (print_decl_for_uid_map_statistics): New helper.
10477         (dump_tree_statistics): Call it.
10478
10479         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
10480         (referenced_var_iterator): Adjust.
10481         (FOR_EACH_REFERENCED_VAR): Adjust.
10482         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
10483         (num_referenced_vars): Adjust.
10484         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
10485         (first_referenced_var): Remove.
10486         (end_referenced_vars_p): Likewise.
10487         (next_referenced_var): Likewise.
10488         (referenced_var_iterator_set): New helper function.
10489         * tree-dfa.c (referenced_var_lookup): Adjust.
10490         (referenced_var_check_and_insert): Likewise.
10491         (remove_referenced_var): Likewise.
10492         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
10493         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
10494         (verify_call_clobbering): Likewise.
10495         (verify_memory_partitions): Likewise.
10496         (init_tree_ssa): Allocate bitmap instead of hashtable for
10497         referenced_vars.
10498         (delete_tree_ssa): Adjust.
10499         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
10500         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
10501         (compute_tag_properties): Likewise.
10502         (set_initial_properties): Likewise.
10503         (find_partition_for): Likewise.
10504         (update_reference_counts): Likewise.
10505         (dump_may_aliases_for): Likewise.
10506         * tree-ssa-operands.c (add_virtual_operand): Likewise.
10507         (add_call_clobber_ops): Likewise.
10508         (add_call_read_ops): Likewise.
10509         (get_asm_expr_operands): Likewise.
10510         * tree-into-ssa.c (dump_decl_set): Likewise.
10511         (update_ssa): Likewise.
10512         * tree-sra.c (scan_function): Likewise.
10513         (decide_instantiations): Likewise.
10514         (scalarize_parms): Likewise.
10515         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
10516         (dsa_named_for): Likewise.
10517         * tree-ssa-structalias.c (update_alias_info): Likewise.
10518         (merge_smts_into): Likewise.
10519
10520 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
10521
10522         PR target/35258
10523         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
10524         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
10525         * alias.h (nonoverlapping_memrefs_p): Likewise.
10526
10527 2008-02-25  Jan Beulich  <jbeulich@novell.com>
10528
10529         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
10530         * config/i386/netware-libgcc.exp: Add __bswap?i2,
10531         __emultls_get_address, __emultls_register_common,
10532         __floatundi?f, and _Unwind_GetIPInfo.
10533         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
10534         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
10535         (gen_regparm_prefix): Likewise.
10536         (i386_nlm_encode_section_info): Sync with
10537         config/i386/winnt.c:i386_pe_encode_section_info().
10538         (i386_nlm_maybe_mangle_decl_assembler_name): New.
10539         i386_nlm_mangle_decl_assembler_name): New.
10540         (netware_override_options): New.
10541         * config/i386/netware.h (netware_override_options): Declare.
10542         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
10543         (i386_nlm_mangle_decl_assembler_name): Declare.
10544         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
10545
10546 2008-02-25  Ben Elliston  <bje@au.ibm.com>
10547
10548         PR other/32948
10549         * c-decl.c (grokdeclarator): Remove unused local variables
10550         `typedef_type' and `type_as_written'.
10551         * bb-reorder.c
10552         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
10553         unused local variable `has_hot_blocks'.
10554         (fix_crossing_conditional_branches): Remove unused local variable
10555         `prev_bb'.
10556         
10557 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
10558
10559         PR middle-end/19984
10560         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
10561         using DEF_C99_BUILTIN.
10562         (BUILT_IN_NANF): Ditto.
10563         (BUILT_IN_NANL): Ditto.
10564
10565 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
10566             Revital Eres  <eres@il.ibm.com>
10567
10568         * modulo-sched.c (calculate_must_precede_follow): Address TODO
10569         regarding the order of two dependent insns in the same row.
10570
10571 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
10572
10573         * stor-layout.c (layout_decl): Do not bump the alignment of a
10574         bit-field to more than byte alignment if it is packed.
10575
10576 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
10577
10578         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
10579         e300c2 and e300c3.
10580
10581 2008-02-24  Diego Novillo  <dnovillo@google.com>
10582
10583         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
10584
10585         PR 33738
10586         * tree-vrp.c (vrp_evaluate_conditional): With
10587         -Wtype-limits, emit a warning when comparing against a
10588         constant outside the natural range of OP0's type.
10589         * c.opt (Wtype-limits): Move ...
10590         * common.opt (Wtype-limits): ... here.
10591
10592 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
10593
10594         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
10595         * config/rs6000/e300c2c3.md: New file.
10596         * config/rs6000/rs6000.c (processor_costs): Add new costs for
10597         e300c2 and e300c3.
10598         (rs6000_override_options): Add e300c2 and e300c3 cases to
10599         processor_target_table. Do not allow usage of Altivec or Spe
10600         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
10601         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
10602         * config/rs6000/rs6000.h (processor_type): Add
10603         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
10604         (ASM_CPU_SPEC): Add e300c2 and e300c3.
10605         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
10606         and ppce300c3. Include e300c2c3.md.
10607
10608 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
10609
10610         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
10611         instead of TARGET_STRICT_ALIGN.
10612
10613 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
10614
10615         * explow.c (memory_address): Assert that the generated address is
10616         valid.
10617
10618 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
10619
10620         PR target/25477
10621         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
10622         * config/darwin-ppc-ldouble-patch.def: New file.
10623         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
10624         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
10625         SUBTARGET_INIT_BUILTINS if defined.
10626         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
10627         New functions.
10628
10629 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10630
10631         PR rtl-opt/33512
10632         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
10633         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
10634
10635 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10636
10637         PR pch/35027
10638         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
10639         file" warning condtional on -Winvalid-PCH.
10640
10641 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
10642
10643         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
10644
10645 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
10646
10647         PR target/22076
10648         PR target/34256 
10649         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
10650         prevent reload from using MMX registers.
10651         (*mov<mode>_internal): Ditto.
10652         (*movv2sf_internal_rex64): Ditto.
10653         (*movv2sf_internal): Ditto.
10654
10655 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10656
10657         PR documentation/31569
10658         * doc/install.texi2html: Use makeinfo --no-number-sections.
10659
10660 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
10661
10662         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
10663         ensure that we can address an entire entity > 8 bytes.  Don't
10664         generate reg+reg addressing for such data.
10665
10666 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
10667
10668         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
10669         strings when optimizing for size, unless the target cares about
10670         alignment.
10671
10672 2008-02-22  Tom Tromey  <tromey@redhat.com>
10673
10674         * regclass.c (current_pass): Remove declaration.
10675
10676 2008-02-22  Anatoly Sokolov <aesok@post.ru>
10677
10678         * config/avr/libgcc.S (__RAMPZ__): Define.
10679         (__do_copy_data): Add for devices with 128KB code memory.
10680
10681 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
10682
10683         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
10684         Use spe_abi.
10685         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
10686
10687 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
10688
10689         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
10690         GENNONACR_REGS.
10691
10692 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10693
10694         PR c/19999
10695         * c-typeck.c (build_binary_op): Warn about floating point
10696         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
10697
10698 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
10699
10700         PR target/34526
10701         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
10702         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
10703         add vrsave.
10704         (rs6000_override_options): Set altivec_abi as default, not override,
10705         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
10706         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
10707         is used; use new member spe_abi.
10708         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
10709         spe_abi and altivec_abi.
10710
10711 2008-02-22  Tomas Bily  <tbily@suse.cz>
10712
10713         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
10714
10715 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10716
10717         PR bootstrap/35273
10718         * config.build (build_file_translate): Set to `CMD //c' only if
10719         it works.
10720         * Makefile.in (build_file_translate): Improve comment.
10721
10722 2008-02-21  Jan Hubicka  <jh@suse.cz>
10723
10724         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
10725         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
10726         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
10727
10728 2008-02-21  Michael Matz  <matz@suse.de>
10729
10730         PR target/35264
10731         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
10732
10733 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
10734
10735         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
10736         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
10737         as insn constraint.
10738         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
10739         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
10740         SSE_VEC_FLOAT_MODE_P as insn constraint.
10741         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
10742         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
10743         sse4a_movntdf using MODEF mode iterator.
10744         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
10745         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
10746         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
10747         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
10748         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
10749         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
10750         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
10751
10752 2008-02-21  Richard Guenther  <rguenther@suse.de>
10753
10754         * tree.def (PAREN_EXPR): New tree code.
10755         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
10756         and PAREN_EXPR.
10757         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
10758         * expr.c (expand_expr_real_1): Likewise.
10759         * tree-inline.c (estimate_num_insns_1): Likewise.
10760         * tree-complex.c (expand_complex_move): Likewise.
10761         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
10762         as plain x.
10763
10764 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10765
10766         PR target/35225
10767         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
10768
10769 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10770
10771         PR target/35190
10772         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
10773
10774         * config/sh/sh.c (find_barrier): Don't go past
10775         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
10776
10777 2008-02-20  DJ Delorie  <dj@redhat.com>
10778
10779         * config/h8300/h8300.md (insv): Force source operand to be a register.
10780
10781         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
10782         as a jump, not as a plain insn.
10783         
10784 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
10785
10786         * doc/invoke.texi (Warning Options): Add new option
10787         -Wframe-larger-than=.
10788         (-Wframe-larger-than): Document.
10789
10790         * flags.h (warn_frame_larger_than, frame_larger_than_size):
10791         Add declarations for new option variables.
10792
10793         * final.c (final_start_function): Check the frame size
10794         before emission and issue a Wframe-larger-than warning.
10795
10796         * opts.c (warn_frame_larger_than, frame_larger_than_size):
10797         Add definitions for new option variables.
10798         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
10799
10800         * common.opt (Wframe-larger-than=): New option.
10801
10802 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
10803
10804         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
10805         (<sse>_div<mode>3): Ditto.
10806         (<sse>_vmdiv<mode>3): Ditto.
10807         (<sse>_vmsqrt<mode>2): Ditto.
10808         (*smax<mode>3): Ditto.
10809         (sse5_frcz<mode>2): Ditto.
10810         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
10811         as insn constraint.
10812
10813 2008-02-20  Richard Guenther  <rguenther@suse.de>
10814
10815         PR middle-end/35265
10816         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
10817         be happy with INTEGRAL_TYPE_P.
10818
10819 2008-02-20  Richard Guenther  <rguenther@suse.de>
10820
10821         * fold-const.c (split_tree): Associate floatig-point expressions
10822         if flag_associative_math is set.
10823
10824 2008-02-20  Richard Guenther  <rguenther@suse.de>
10825
10826         * tree.h (fold_real_zero_addition_p): Declare.
10827         * fold-const.c (fold_real_zero_addition_p): Export.
10828         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
10829         floating-point operations with zero and one.
10830
10831 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
10832
10833         * doc/install.texi: Correct references to CFLAGS, replacing them
10834         with BOOT_CFLAGS.  Document flags used during bootstrap for
10835         target libraries.
10836                                 
10837 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
10838
10839         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
10840         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
10841         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
10842         insn constraint.
10843         (smin<mode>3): Ditto from similar patterns.
10844         (smax<mode>3): Ditto.
10845         (*ieee_smin<mode>3): Ditto.
10846         (*ieee_smax<mode>3): Ditto.
10847         * config/i386/sse.md (sse): New mode attribute.
10848         (mov<mode>): Macroize expander from movv4sf and movv2df using
10849         SSEMODEF2P mode iterator.
10850         (<sse>_movnt<mode>): Ditto from similar patterns. Use
10851         SSE_VEC_FLOAT_MODE_P as insn constraint.
10852         (storent<mode>): Ditto.
10853         (storent<mode>): Macroize expander from storentsf and storentdf using
10854         MODEF mode iterator.
10855         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
10856         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
10857         (abs<mode>2): Ditto from similar patterns.
10858         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
10859         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
10860         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
10861         (<sse>_vmsqrt<mode>2): Ditto.
10862         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
10863         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
10864         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
10865         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
10866         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
10867         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
10868         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
10869         insn constraint.
10870         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
10871         iterator and SSE_FLOAT_MODE_P as insn constraint.
10872         (<sse>_ucomi): Ditto from similar patterns.
10873         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
10874         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
10875         SSE_VEC_FLOAT_MODE_P as insn constraint.
10876         (vcond<mode>): Ditto from similar patterns.
10877         (and<mode>3, *and<mode>3): Ditto.
10878         (<sse>_nand<mode>3): Ditto.
10879         (ior<mode>3, *ior<mode>3): Ditto.
10880         (xor<mode>3, *xor<mode>3): Ditto.
10881         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
10882         iterator and SSE_FLOAT_MODE_P as insn constraint.
10883         (*nand<mode>3): Ditto from similar patterns.
10884         (*ior<mode>3): Ditto.
10885         (*xor<mode>3): Ditto.
10886
10887 2008-02-20  Ira Rosen  <irar@il.ibm.com>
10888
10889         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
10890         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
10891         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
10892
10893 2008-02-19  Jan Hubicka  <jh@suse.cz>
10894
10895         * predict.c (tree_bb_level_predictions): Remove variable next
10896         mistakely introduced by previous commit.
10897
10898 2008-02-19  Jan Hubicka  <jh@suse.cz>
10899
10900         * predict.c (predict_paths_leading_to): Rewrite.
10901         (predict_paths_for_bb): New.
10902         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
10903
10904 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10905
10906         PR bootstrap/35218
10907         * Makefile.in (build_file_translate): New.
10908         (gcc-vers.texi): Use it for translating $(abs_srcdir).
10909         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
10910         * configure.ac (build_file_translate): Substitute it.
10911         * configure: Regenerate.
10912
10913 2008-02-19  Jan Hubicka  <jh@suse.cz>
10914
10915         PR rtl-optimization/34408
10916         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
10917         invalid sharing.
10918
10919 2008-02-19  Jan Hubicka  <jh@suse.cz>
10920
10921         PR middle-end/28779
10922         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
10923         call_expr.
10924
10925 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
10926
10927         PR Ada/35186
10928         * config/i386/i386-modes.def: Revert the last DI alignment
10929         change until Ada people can look into it.
10930
10931 2008-02-19  Nick Clifton  <nickc@redhat.com>
10932
10933         * opts.c (print_specific_help): Fix typo in --help text.
10934
10935 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
10936
10937         PR target/35239
10938         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
10939         32-bit inline asm without asm alternatives for host GCC < 3.0.
10940
10941 2008-02-19  Richard Guenther  <rguenther@suse.de>
10942
10943         PR tree-optimization/34989
10944         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
10945         Allow propagation to INDIRECT_REF if we can simplify only.
10946
10947 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10948
10949         * c-common.c (warn_for_collisions_1): Use appropriate option when
10950         warning.
10951
10952 2008-02-19  Nick Clifton  <nickc@redhat.com>
10953
10954         PR other/31349
10955         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
10956         (handle_options): Fix indentation.
10957         (print_filtered_help): If no language-specific options were
10958         displayed tell the user how to list all the options supported by
10959         the language's front-end.
10960         (print_specific_help): Fix indentation and remove duplicate line.
10961         (common_handle_option): Handle the -v option.
10962         For --help enable the display of undocumented options if the -v
10963         switch has been included on the command line.
10964         For --help= check for overlaps in the arguments between the option
10965         classes and the language names and issue a warning when they
10966         cannot be disambiguated.
10967         * c.opt (v): Pass on to the common option handler.
10968
10969 2008-02-19  Revital Eres  <eres@il.ibm.com> 
10970
10971         * modulo-sched.c (sms_schedule): Change dump message when
10972         create_ddg function fails.
10973         (try_scheduling_node_in_cycle): Rename row to cycle.
10974         (print_partial_schedule): Rename CYCLE to ROW.
10975
10976 2008-02-19  Christian Bruel  <christian.bruel@st.com>
10977             Zdenek Dvorak  <ook@ucw.cz>
10978
10979         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
10980
10981 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
10982
10983         PR target/33555
10984         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
10985         (*x86_movdicc_0_m1_se): Ditto.
10986
10987 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
10988
10989         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
10990         (CMPtype): Define as __gcc_CMPtype.
10991         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
10992         (CMPtype): Define as __gcc_CMPtype.
10993
10994 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
10995
10996         Support valgrind 3.3 for --enable-checking=valgrind.
10997         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
10998         here.
10999         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
11000         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
11001         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
11002         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
11003         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
11004         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
11005         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
11006         respectively.
11007         * ggc-zone.c: Similar.
11008         * ggc-page.c: Similar.
11009
11010 2008-02-19  Paul Brook  <paul@codesourcery.com>
11011
11012         PR target/35071
11013         * config/arm/ieee754-df.S: Fix do_it typo.
11014         * config/arm/ieee754-sf.S: Fix do_it typo.
11015
11016 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
11017
11018         PR target/35189
11019         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
11020         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
11021         (OPTION_MASK_ISA_SSE_SET): Likewise.
11022         (OPTION_MASK_ISA_SSE2_SET): Likewise.
11023         (OPTION_MASK_ISA_SSE3_SET): Likewise.
11024         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
11025         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
11026         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
11027         (OPTION_MASK_ISA_SSE4_SET): Likewise.
11028         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
11029         (OPTION_MASK_ISA_SSE5_SET): Likewise.
11030         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
11031         (OPTION_MASK_ISA_MMX_UNSET): Updated.
11032         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
11033         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
11034         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
11035         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
11036         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
11037         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
11038         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
11039         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
11040         (OPTION_MASK_ISA_SSE4): Removed.
11041         (ix86_handle_option): Turn on bits in ix86_isa_flags and
11042         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
11043         (override_options): Don't turn on implied SSE/MMX bits in
11044         ix86_isa_flags.
11045
11046 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
11047
11048         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
11049         32bit host.
11050
11051 2008-02-18  Joey Ye  <joey.ye@intel.com>
11052
11053         PR middle-end/34921
11054         * tree-nested.c (insert_field_into_struct): Set type alignment
11055         to field alignment if the former is less than the latter.
11056
11057 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
11058
11059         * BASE-VER: Set to 4.4.0.
11060
11061 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
11062
11063         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
11064         * doc/cfg.texi: Likewise.
11065         * doc/extend.texi: Likewise.
11066         * doc/gty.texi: Likewise.
11067         * doc/invoke.texi: Likewise.
11068         * doc/loop.texi: Likewise.
11069         * doc/md.texi: Likewise.
11070         * doc/passes.texi: Likewise.
11071         * doc/rtl.texi: Likewise.
11072         * doc/sourcebuild.texi: Likewise.
11073         * doc/tm.texi: Likewise.
11074         * doc/tree-ssa.texi: Likewise.
11075
11076 2008-02-17  Richard Guenther  <rguenther@suse.de>
11077
11078         PR middle-end/35227
11079         * tree-complex.c (init_parameter_lattice_values): Handle parameters
11080         without default definition.
11081
11082 2008-02-17  Richard Guenther  <rguenther@suse.de>
11083
11084         PR tree-optimization/35231
11085         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
11086         if A | B != 1.
11087
11088 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
11089
11090         Revert:
11091         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
11092         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
11093         libgcc_cmp_return mode.
11094
11095 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11096
11097         PR c/28368
11098         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
11099
11100 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
11101
11102         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
11103         multilibs.
11104
11105 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11106
11107         * doc/c-tree.texi: Use `@.' where appropriate.
11108         * doc/extend.texi: Likewise.
11109         * doc/install.texi: Likewise.
11110         * doc/invoke.texi: Likewise.
11111         * doc/loop.texi: Likewise.
11112         * doc/makefile.texi: Likewise.
11113         * doc/md.texi: Likewise.
11114         * doc/passes.texi: Likewise.
11115         * doc/standards.texi: Likewise.
11116         * doc/tm.texi: Likewise.
11117
11118 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
11119
11120         PR middle-end/35196
11121         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
11122         in entry_bb.
11123         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
11124         rather than in entry_bb.
11125
11126 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
11127
11128         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
11129         libgcc_cmp_return mode.
11130
11131 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
11132
11133         PR middle-end/35130
11134         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
11135         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
11136
11137 2008-02-15  Richard Guenther  <rguenther@suse.de>
11138             Zdenek Dvorak  <ook@ucw.cz>
11139
11140         PR tree-optimization/35164
11141         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
11142         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
11143         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
11144         Only propagate addresses which do not have abnormal SSA_NAMEs
11145         in their operands.
11146
11147 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
11148
11149         PR target/35088
11150         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
11151
11152 2008-02-15  Jan Hubicka  <jh@suse.cz>
11153
11154         PR middle-end/35149
11155         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
11156
11157 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
11158
11159         PR middle-end/34621
11160         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
11161         when calculating alignment_pad.
11162
11163 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
11164
11165         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
11166         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
11167         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
11168         and STACK_BOUNDARY define.
11169
11170 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
11171
11172         PR preprocessor/35061
11173         * c-pragma.c (handle_pragma_pop_macro): Check that
11174         pushed_macro_table has been allocated.
11175
11176 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
11177
11178         PR middle-end/35136
11179         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
11180         (force_gimple_operand): Likewise.
11181         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
11182         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
11183         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
11184         (find_interesting_uses_address): Check addressability and alignment
11185         of the base expression only after substituting bases of IVs into it.
11186
11187 2008-02-14  Michael Matz  <matz@suse.de>
11188
11189         PR target/34930
11190         * function.c (instantiate_virtual_regs_in_insn): Reload address
11191         before falling back to reloading the whole operand.
11192
11193 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
11194
11195         * config/s390/s390.c (s390_mainpool_start): Emit the pool
11196         before the first section switch note.
11197
11198 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
11199
11200         * doc/bugreport.texi: Update copyright years.
11201         * doc/c-tree.texi: Likewise.
11202         * doc/cfg.texi: Likewise.
11203         * doc/cpp.texi: Likewise.
11204         * doc/cppinternals.texi: Likewise.
11205         * doc/fragments.texi: Likewise.
11206         * doc/frontends.texi: Likewise.
11207         * doc/gcc.texi: Likewise.
11208         * doc/gty.texi: Likewise.
11209         * doc/hostconfig.texi: Likewise.
11210         * doc/implement-c.texi: Likewise.
11211         * doc/libgcc.texi: Likewise.
11212         * doc/loop.texi: Likewise.
11213         * doc/makefile.texi: Likewise.
11214         * doc/options.texi: Likewise.
11215         * doc/passes.texi: Likewise.
11216         * doc/rtl.texi: Likewise.
11217         * doc/sourcebuild.texi: Likewise.
11218         * doc/standards.texi: Likewise.
11219         * doc/tree-ssa.texi: Likewise.
11220         * doc/trouble.texi: Likewise.
11221
11222         * doc/extend.texi: Use @: or add comma where appropriate.
11223         * doc/invoke.texi: Likewise.
11224         * doc/tm.texi: Likewise.
11225
11226 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
11227
11228         PR target/34393
11229         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
11230         to a reg.
11231
11232 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
11233
11234         * doc/md.texi (clz, ctz): Add reference.
11235         * doc/rtl.texi (clz, ctz): Likewise.
11236
11237 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11238
11239         PR other/35148
11240         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
11241         srcdir.
11242
11243 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
11244
11245         * config/s390/s390.c (struct constant_pool): New field
11246         emit_pool_after added.
11247         (s390_mainpool_start): Set the emit_pool_after flag according
11248         to the section switch notes.
11249         (s390_mainpool_finish): Consider emit_pool_after when emitting
11250         the literal pool at the end of the function.
11251         (s390_chunkify_start): Force literal pool splits at section
11252         switch notes.
11253
11254 2008-02-13  Michael Matz  <matz@suse.de>
11255
11256         PR debug/35065
11257         * var-tracking.c (clobber_variable_part): Correctly traverse the
11258         list.
11259
11260 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11261
11262         PR 29673
11263         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
11264         Add -fdump-ipa-inline.
11265         * tree-dump.c (dump_files): Remove tree-inlined dump.
11266         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
11267         
11268 2008-02-12  Richard Guenther  <rguenther@suse.de>
11269
11270         PR tree-optimization/35171
11271         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
11272         default defs.
11273
11274 2008-02-12  Richard Guenther  <rguenther@suse.de>
11275
11276         PR middle-end/35163
11277         * fold-const.c (fold_widened_comparison): Use get_unwidened in
11278         value-preserving mode.  Disallow final truncation.
11279
11280 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
11281
11282         PR middle-end/35136
11283         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
11284         code from here to...
11285         (force_gimple_operand): ...here.
11286
11287 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
11288
11289         PR c++/35144
11290         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
11291         non-compatible pointers.
11292         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
11293         different FIELD_DECLs, try harder by comparing field offsets, sizes
11294         and types.
11295
11296         PR inline-asm/35160
11297         * function.c (match_asm_constraints_1): Don't replace the same input
11298         multiple times.
11299
11300 2008-02-12  Anatoly Sokolov <aesok@post.ru>
11301
11302         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
11303         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
11304         (expand_epilogue): Restore RAMPZ register.
11305         * config/avr/avr.md (RAMPZ_ADDR): New constant.
11306
11307 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
11308
11309         * config/i386/cygwin.asm: (__alloca): Correct calling
11310         convention and alignment.
11311         (__chkstk): Force 8 byte stack alignment.
11312
11313 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
11314             Richard Guenther  <rguenther@suse.de>
11315
11316         PR tree-optimization/33992
11317         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
11318         the zero we compare against.
11319
11320 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
11321
11322         PR libfortran/35063
11323         * gthr-win32.h (__gthread_mutex_destroy_function): New function
11324         to CloseHandle after unlocking to prevent accumulation of handle
11325         count.
11326
11327 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11328
11329         PR middle_end/34150
11330         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
11331         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
11332         and update LABEL_NUSES during and after reload.
11333
11334 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
11335
11336         PR middle-end/34627
11337         * combine.c (simplify_if_then_else): Make sure the comparison is
11338         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
11339
11340 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
11341
11342         PR bootstrap/35051
11343         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
11344         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
11345         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
11346         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
11347         * tree.h (get_type_static_bounds): Likewise.
11348
11349 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11350
11351         * doc/invoke.texi (Option Summary, C++ Dialect Options)
11352         (Objective-C and Objective-C++ Dialect Options, Warning Options):
11353         Make -Wfoo language annotations match what the compiler outputs.
11354
11355 2008-02-08  Sa Liu  <saliu@de.ibm.com>
11356
11357         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
11358         intrinsics spu_convts, spu_convtu, spu_convtf.
11359
11360 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
11361
11362         * doc/extend.texi (Function Attributes) <noinline>: Mention
11363         asm ("") as method to keep calls.
11364
11365 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11366
11367         PR other/32754
11368         * doc/options.texi (Options): Replace references to opts.sh with
11369         optc-gen.awk.
11370         * opts-common.c: Likewise.
11371         * optc-gen.awk: Likewise.
11372         
11373 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
11374
11375         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
11376
11377 2008-02-07  Richard Henderson  <rth@redhat.com>
11378
11379         PR rtl-opt/33410
11380         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
11381         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
11382         funny mode.
11383
11384 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
11385
11386         PR tree-optimization/35085
11387         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
11388         for operand entry oe2 in addition to operand entry oe3 in order to
11389         expose more opportunities for vectorizer sum reduction.
11390
11391 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11392
11393         PR other/35107
11394         * Makefile.in (LIBS): Remove $(GMPLIBS).
11395         (cc1-dummy, cc1): Add $(GMPLIBS).
11396
11397 2008-02-06  Jan Hubicka  <jh@suse.cz>
11398
11399         PR target/23322
11400         * i386.md (moddf_integer): Do not produce partial memory stalls for
11401         targets where it hurts.
11402
11403 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
11404
11405         PR target/35083
11406         * optabs.c (expand_float): Do not check for decimal modes when
11407         expanding unsigned integer through signed conversion.
11408
11409 2008-02-06  Nick Clifton  <nickc@redhat.com>
11410
11411         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
11412         inside the clobber with a match_operand and duplicated operand
11413         number in the constraint.
11414         (ineqbranchsi): Delete redundant comment.
11415
11416 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
11417
11418         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
11419         builtin_define ("__USE_INIT_FINI__").
11420         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
11421         -msx multilibs.
11422         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
11423
11424 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11425
11426         PR documentation/30330
11427         * doc/invoke.texi (C++ Dialect Options)
11428         (Objective-C and Objective-C++ Dialect Options, Warning Options):
11429         For each warning option -Wfoo that allows -Wno-foo, ensure both
11430         -Wfoo and -Wno-foo are listed in the option index.  Fix index
11431         entry of -Wswitch-default, index -Wnormalized= including the
11432         `=', and -Wlarger-than-@var{len} including @var{len}.
11433
11434 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
11435
11436         * config/i386/i386.md (floatunssisf2): Use
11437         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
11438         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
11439         Macroize expander using MODEF mode iterator.
11440
11441 2008-02-05  Diego Novillo  <dnovillo@google.com>
11442
11443         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
11444
11445         PR 33738
11446         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
11447
11448 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11449
11450         PR other/35070
11451         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
11452
11453 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
11454
11455         PR target/35084
11456         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
11457         to indicate if a message should be generated.
11458         (init_cumulative_args): Updated.
11459         (function_value_32): Likewise.
11460
11461 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
11462
11463         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
11464
11465 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
11466
11467         PR target/35083
11468         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
11469         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
11470
11471 2008-02-04  Diego Novillo  <dnovillo@google.com>
11472
11473         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
11474
11475         PR 33738
11476         * tree-vrp.c (vrp_evaluate_conditional): With
11477         -Wtype-limits, emit a warning when comparing against a
11478         constant outside the natural range of OP0's type.
11479
11480 2008-02-04  Richard Guenther  <rguenther@suse.de>
11481
11482         PR middle-end/33631
11483         * expr.c (count_type_elements): Give for unions instead of
11484         guessing.
11485
11486 2008-02-04  Richard Guenther  <rguenther@suse.de>
11487
11488         PR middle-end/35043
11489         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
11490         to TYPE_DOMAINs base type instead of using bitsizetype here.
11491
11492 2008-02-03  Jason Merrill  <jason@redhat.com>
11493
11494         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
11495
11496 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11497
11498         PR other/29972
11499         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
11500         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
11501         (RS/6000 and PowerPC Options): Fix typos and markup.
11502         * doc/passes.texi (Tree-SSA passes): Likewise.
11503
11504 2008-02-02  Michael Matz  <matz@suse.de>
11505
11506         PR target/35045
11507         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
11508         from record_last_reg_set_info.
11509         (record_last_reg_set_info): Take an RTX argument, iterate over all
11510         constituent hardregs.
11511         (record_last_set_info, record_opr_changes): Change calls to
11512         new signature or to record_last_reg_set_info_regno.
11513
11514 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
11515
11516         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
11517
11518 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
11519
11520         PR rtl-optimization/34773
11521         * reg-notes.def (EQUAL): Mention significance of combination of
11522         REG_EQUAL and REG_RETVAL.
11523         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
11524         insn that has a REG_RETVAL.
11525
11526 2008-02-01  Roger Sayle  <roger@eyesopen.com>
11527
11528         PR bootstrap/33781
11529         * configure.ac (--enable-fixed-point): Disable unless explicitly
11530         requested on IRIX.
11531         * configure: Regenerate.
11532
11533 2008-02-01  Richard Guenther  <rguenther@suse.de>
11534
11535         PR other/35042
11536         * invoke.texi (-finline-limit): Remove no longer true parts
11537         of the documentation.  Note that there is no default value.
11538
11539 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
11540             Mark Mitchell  <mark@codesourcery.com>
11541             Ben Elliston  <bje@au.ibm.com>
11542
11543         PR c/29326
11544         * doc/extend.texi (Other Builtins): Document.
11545
11546 2008-01-31  Tom Browder <tom.browder@gmail.com>
11547
11548         * doc/c-tree.texi (Types): Fix grammar.
11549         (Expression trees): Ditto.
11550         * doc/passes.texi (Tree-SSA passes): Ditto.
11551         
11552         * doc/configterms.texi (Configure Terms): Fix typo.
11553         * doc/cpp.texi (Common Predefined Macros): Ditto.
11554         * doc/md.texi (Machine Constraints): Ditto.
11555         
11556         * doc/makefile.texi (Makefile): Add comma.
11557
11558 2008-01-31  Tom Browder  <tom.browder@gmail.com>
11559             Gerald Pfeifer  <gerald@pfeifer.com>
11560         
11561         * doc/sourcebuild.texi (Front End): Remove references to CVS
11562         and CVSROOT/modules.
11563         (Texinfo Manuals): Replace reference to CVS by one to SVN.
11564         (Back End): Remove reference to CVS.
11565
11566 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
11567
11568         PR target/34900
11569         * config/mips/mips.c (gen_load_const_gp): New function, taking a
11570         comment from...
11571         (mips16_gp_pseudo_reg): ...here.
11572         * config/mips/mips.md (load_const_gp): Replace with...
11573         (load_const_gp_<mode>): ...this :P-based insn.
11574
11575 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11576
11577         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
11578         options. Minor fixes.
11579         (-std): Move reference to standards closer to where language
11580         standards are first mentioned.
11581         
11582 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
11583
11584         PR rtl-optimization/34995
11585         * reload.c (alternative_allows_const_pool_ref): Take an rtx
11586         parameter and return a bool.  If the rtx parameter is nonnull,
11587         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
11588         (find_reloads): Update call accordingly.  Pass the new operand
11589         if it needed no address reloads, otherwise pass null.
11590
11591 2008-01-30  Richard Henderson  <rth@redhat.com>
11592
11593         PR c/34993
11594         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
11595         for unbounded arrays.
11596
11597 2008-01-30  Silvius Rus  <rus@google.com>
11598
11599         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
11600
11601 2008-01-30  Jan Hubicka  <jh@suse.cz>
11602
11603         PR target/34982
11604         * i386.c (init_cumulative_args): Use real function declaration when
11605         calling locally.
11606
11607 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
11608
11609         PR rtl-optimization/34998
11610         * global.c (build_insn_chain): Treat non-subreg_lowpart
11611         SUBREGs of pseudos as clobbering all the words covered by the
11612         SUBREG, not just all the bytes.
11613         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
11614         original df_ref rather than an extract parameter.
11615         (global_conflicts): Update call accordingly.
11616
11617 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
11618
11619         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
11620         the overflow check to make it easier to read.
11621         (__fixtfdi): Change the type of the ll member in union
11622         long_double to UDItype_x.
11623
11624 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
11625
11626         PR middle-end/34969
11627         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
11628         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
11629         * tree-inline.c (fold_marked_statements): Call
11630         cgraph_update_edges_for_call_stmt if folding a call statement.
11631         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
11632         debug_generic_stmt calls, reset it back afterwards.
11633
11634         PR c/35017
11635         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
11636         static decls.
11637         * c-typeck.c (build_external_ref): Don't pedwarn about
11638         static vars in current function's scope.
11639
11640 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
11641
11642         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
11643
11644 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
11645
11646         PR c/35002
11647         * ipa-struct-reorg.c: Fix spelling.
11648         * params.def: Ditto.
11649
11650 2008-01-29  Richard Guenther  <rguenther@suse.de>
11651
11652         PR middle-end/35006
11653         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
11654         field.
11655         * tree-inline.c (remap_type): Increment remapping_type_depth
11656         around remapping types.
11657         (copy_body_r): Only add referenced variables if they are referenced
11658         from code, not types.
11659
11660 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
11661
11662         PR c++/34055
11663         PR c++/34103
11664         PR c++/34219
11665         PR c++/34606
11666         PR c++/34753
11667         PR c++/34754
11668         PR c++/34755
11669         PR c++/34919
11670         PR c++/34961
11671         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
11672         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
11673
11674 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
11675
11676         PR target/34412
11677         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
11678         pointer for tiny stack.
11679
11680 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
11681
11682         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
11683
11684 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
11685
11686         * config/vx-common.h: Fix typo in comment.
11687
11688 2008-01-28  Ian Lance Taylor  <iant@google.com>
11689
11690         PR c++/34862
11691         PR c++/33407
11692         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
11693         coalesce pointers if they have different DECL_NO_TBAA_P values.
11694         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
11695         between variables with different DECL_NO_TBAA_P values.
11696
11697 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
11698
11699         PR 31535
11700         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
11701         are not legitimate small data references on SPE targets.
11702
11703 2008-01-28  David Daney  <ddaney@avtrex.com>
11704
11705         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
11706
11707 2008-01-28  David Daney  <ddaney@avtrex.com>
11708
11709         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
11710
11711 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
11712
11713         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
11714         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
11715         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
11716         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
11717         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
11718         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
11719         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
11720         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
11721
11722 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
11723
11724         * basic-block.h (condjump_equiv_p): Fix comment.
11725
11726 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
11727
11728         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
11729         print_generic_stmt_indented): Fix comment.
11730
11731 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
11732
11733         * configure.ac (__stack_chk_fail): Add detecion for availability
11734         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
11735         * configure: Regenerate.
11736
11737 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
11738
11739         PR middle-end/34688
11740         * final.c (output_addr_const): Handle TRUNCATE.
11741
11742 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
11743
11744         PR target/34711
11745         * tree-ssa-loop-ivopts.c (comp_cost): New type.
11746         (zero_cost, infinite_cost): New constants.
11747         (struct cost_pair): Change type of cost to comp_cost.
11748         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
11749         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
11750         New functions.
11751         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
11752         split_address_cost, ptr_difference_cost, difference_cost,
11753         get_computation_cost_at, get_computation_cost,
11754         determine_use_iv_cost_generic, determine_use_iv_cost_address,
11755         determine_use_iv_cost_condition, determine_use_iv_costs,
11756         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
11757         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
11758         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
11759         Change type of cost to comp_cost.
11760         (determine_iv_cost): Increase cost of non-original ivs, instead
11761         of decreasing the cost of original ones.
11762         (get_address_cost): Indicate the complexity of the addressing mode 
11763         in comp_cost.
11764         (try_add_cand_for): Prefer using ivs not specific to some object.
11765         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
11766
11767 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
11768             Janis Johnson  <janis187@us.ibm.com>
11769
11770         PR target/34814
11771         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
11772         (TARGET_INSTANTIATE_DECLS): Likewise.
11773         * target.h (expand_to_rtl_hook): New target hook.
11774         (instantiate_decls): Likewise.
11775         * function.c (instantiate_decl): Make non-static.  Rename to...
11776         (instantiate_decl_rtl): ... this.
11777         (instantiate_expr): Use instantiate_decl_rtl.
11778         (instantiate_decls_1): Likewise.
11779         (instantiate_decls): Likewise.
11780         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
11781         * function.h (instantiate_decl_rtl): Add prototype.
11782         * cfgexpand.c (target.h): New include.
11783         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
11784         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
11785         (TARGET_INSTANTIATE_DECLS): Likewise.
11786         (TARGET_INITIALIZER): New target hooks added.
11787         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
11788         New prototype.
11789         * config/rs6000/rs6000.c (tree-flow.h): New include.
11790         (machine_function): Add sdmode_stack_slot field.
11791         (rs6000_alloc_sdmode_stack_slot): New function.
11792         (rs6000_instantiate_decls): Likewise.
11793         (rs6000_secondary_memory_needed_rtx): Likewise.
11794         (rs6000_check_sdmode): Likewise.
11795         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
11796         (TARGET_INSTANTIATE_DECLS): Likewise.
11797         (rs6000_hard_regno_mode_ok): Allow SDmode.
11798         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
11799         (rs6000_emit_move): Handle SDmode.
11800         (function_arg_advance): Likewise.
11801         (function_arg): Likewise.
11802         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
11803         SDmode var args for 32-bit compiles.
11804         (rs6000_secondary_reload_class): Handle SDmode.
11805         (rs6000_output_function_epilogue): Likewise.
11806         (rs6000_function_value): Simplify if statement.
11807         (rs6000_libcall_value): Likewise.
11808         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
11809         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
11810         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
11811         (movsd_hardfloat): New define_insn.
11812         (movsd_softfloat): Likewise.
11813         (movsd_store): Likewise.
11814         (movsd_load): Likewise.
11815         (extendsddd2): Likewise.
11816         (extendsdtd2): Likewise.
11817         (truncddsd2): Likewise.
11818         (movdd_hardfloat64): Fixup comment.
11819         (UNSPEC_MOVSD_LOAD): New constant.
11820         (UNSPEC_MOVSD_STORE): Likewise.
11821
11822 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
11823
11824         PR c++/34965
11825         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
11826         TRUTH_XOR_EXPR.
11827         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
11828         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
11829         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
11830         and TRUTH_XOR_EXPR.
11831
11832 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
11833
11834         PR target/34794
11835         * config.gcc: Separate AIX 5.3 from AIX 6.1.
11836         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
11837         __LONGDOUBLE128 too.
11838         * config/rs6000/aix61.h: New file.
11839
11840 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
11841
11842         PR rtl-optimization/34959
11843         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
11844         popcount and parity rtxes the same mode as their operand.
11845         Truncate or extend the result to the return value's mode
11846         if necessary.
11847
11848 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
11849
11850         PR target/34981
11851         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
11852         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
11853         to GOT_VERSION_REGNUM.
11854         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
11855         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
11856         * config/mips/mips.c (mips_emit_call_insn): New function.
11857         (mips_call_tls_get_addr): Call mips_expand_call directly.
11858         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
11859         emit_call_insn.
11860         (mips16_build_call_stub): Likewise.  Return the call insn or null.
11861         (mips_expand_call): Update the call to mips16_build_call_stub
11862         accordingly and a remove redundant condition.  Assert that MIPS16
11863         stubs do not use lazy binding.  Use mips_emit_call_insn and return
11864         the call insn.
11865         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
11866         TARGET_USE_GOT.
11867         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
11868         (mips_avoid_hazard): Remove hazard_set handling.
11869         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
11870         (UNSPEC_RESTORE_GP): ...this.
11871         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
11872         (FAKE_CALL_REGNO): Rename to...
11873         (GOT_VERSION_REGNUM): ...this.
11874         (type): Add "ghost" value.  Add an associated insn reservation.
11875         (hazard_set): Remove.
11876         (exception_receiver): Rename to...
11877         (restore_gp): ...this and update the unspec identifier accordingly.
11878         (exception_receiver, nonlocal_got_receiver): New expanders.
11879         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
11880         FAKE_CALL_REGNO.  Remove hazard_set attribute.
11881         (set_got_version, update_got_version): New patterns.
11882
11883 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
11884
11885         PR target/34970
11886         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
11887
11888 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
11889
11890         PR other/31955
11891         * doc/install.texi2html: Generate gcc-vers.texi.
11892
11893 2008-01-25  DJ Delorie  <dj@redhat.com>
11894
11895         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
11896
11897 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
11898
11899         * config/c4x: Remove directory.
11900         * config.gcc (crx-*, mt-*): Mark obsolete.
11901         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
11902         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
11903         sh-*-rtemscoff*): Remove cases.
11904         * defaults.h (C4X_FLOAT_FORMAT): Remove.
11905         * real.c (encode_c4x_single, decode_c4x_single,
11906         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
11907         c4x_extended_format): Remove.
11908         * real.h (c4x_single_format, c4x_extended_format): Remove.
11909         * doc/extend.texi (interrupt, naked): Remove mention of attributes
11910         on C4x.
11911         (Pragmas): Remove comment about c4x pragmas.
11912         * doc/install.texi (c4x): Remove target-specific instructions.
11913         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
11914         * doc/md.texi (Machine Constraints): Remove C4x documentation.
11915         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
11916         refer to C4x source files as examples.
11917         (C4X_FLOAT_FORMAT): Remove documentation.
11918
11919 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
11920
11921         * config/bfin/bfin.c (override_options): Reorder tests so that
11922         flag_pic gets enabled for -msep-data.
11923
11924 2008-01-25  Richard Guenther  <rguenther@suse.de>
11925
11926         PR middle-end/32244
11927         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
11928         to its bitfield precision if required.
11929
11930 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
11931
11932         PR middle-end/33880
11933         * tree-nested.c (walk_omp_for): New function.
11934         (convert_nonlocal_reference, convert_local_reference): Call
11935         walk_omp_for on OMP_FOR.
11936         (convert_call_expr): Call walk_body on OMP_FOR's
11937         OMP_FOR_PRE_INIT_BODY.
11938
11939 2008-01-25  Richard Guenther  <rguenther@suse.de>
11940
11941         PR tree-optimization/34966
11942         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
11943         default defs and PHI_NODEs we have to insert after the
11944         defining statement.
11945
11946 2008-01-24  Nick Clifton  <nickc@redhat.com>
11947
11948         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
11949         Provide a default definition.
11950         (LIBGCC2_UNITS_PER_WORD): Likewise.
11951
11952         * config/stormy16/stormy16.c: Include df.h for the prototype
11953         for df_regs_ever_live_p.
11954         (xstormy16_expand_builtin_va_start): Convert the stack offset
11955         into a component_ref and then use POINTER_PLUS_EXPR to add it
11956         to the incoming_virtual_args_rtx.
11957         (xstormy16_gimplify_va_arg_expr): Rename to
11958         xstormy16_gimplify_va_arg_expr.
11959         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
11960         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
11961         xstormy16_gimplify_va_arg_expr.
11962         Fix up some formatting issues.
11963
11964         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
11965         Move to predicates.md.
11966         (xs_hi_general_operand): Likewise.
11967         (xs_hi_nonmemory_operand): Likewise.
11968         * config/stormy16/predicates.md:
11969         (xstormy16_carry_plus_operand): New predicate.
11970         (xs_hi_general_operand): New predicate.
11971         (xs_hi_nonmemory_operand): New predicate.
11972         * config/stormy16/stormy16-protos.h:
11973         (xstormy16_carry_plus_operand): Delete prototype.
11974         (xs_hi_general_operand): Likewise.
11975         (xs_hi_nonmemory_operand): Likewise.
11976
11977         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
11978         modifiers as they are no longer needed and they can trigger
11979         reload spill failures.
11980
11981         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
11982         with a match_operand in order to help reload.
11983
11984         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
11985         constraint with 'e' for the 8th alternative as this version of
11986         the mov.w instruction only accepts the lower 8 registers.
11987
11988 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
11989
11990         PR target/34856
11991         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
11992         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
11993         vector elements.
11994
11995 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
11996
11997         PR middle-end/33333
11998         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
11999
12000 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
12001
12002         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
12003         New functions.
12004         (remove_structure): Update allocations list before removing structure.
12005         
12006 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
12007
12008         * ipa-struct-reorg.c (is_safe_cond_expr, 
12009         create_new_stmts_for_cond_expr): Use integer_zerop function,
12010         that recognize not only zero-pointer, but zero-integer too.
12011
12012 2008-01-25  Ben Elliston  <bje@au.ibm.com>
12013
12014         PR other/22232
12015         * fixproto: Escape "." in sed expression that strips leading "./".
12016
12017 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
12018
12019         PR driver/34904
12020         * gcc.c (SWITCH_OK): Removed.
12021         (SWITCH_LIVE): Changed to bit.
12022         (SWITCH_FALSE): Likewise.
12023         (SWITCH_IGNORE): Likewise.
12024         (switchstr): Change live_cond to unsigned int.
12025         (process_command): Replace SWITCH_OK with 0.
12026         (do_self_spec): Likewise.
12027         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
12028         (give_switch): Likewise.
12029         (used_arg): Likewise.
12030         (do_spec_1): Set the SWITCH_IGNORE bit.
12031         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
12032         bits.  Set the SWITCH_LIVE bit.
12033
12034 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
12035
12036         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
12037
12038 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
12039
12040         PR tree-optimization/34472
12041         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
12042         parameter to a "bool *" and set *DATA to false if there is
12043         an unsafe access.  Do not delete the structure here.
12044         (check_cond_exprs): Delete it here instead.
12045         (check_cond_exprs, exclude_cold_structs): Do not increase
12046         I when removing a structure.
12047
12048 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
12049
12050         PR target/34856
12051         * config/i386/i386.c (ix86_expand_vector_init): Consider only
12052         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
12053
12054 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
12055
12056         PR middle-end/34934
12057         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
12058         a fixed vector for stack.
12059
12060 2008-01-24  Ben Elliston  <bje@au.ibm.com>
12061
12062         PR c++/25701
12063         * doc/gcc.texi (Software development): Add a direntry for g++.
12064         
12065 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
12066
12067         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
12068         stale and straggling -fforce-addr comments above.
12069
12070         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
12071         define.
12072         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
12073         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
12074
12075 2008-01-23  Michael Matz  <matz@suse.de>
12076
12077         PR debug/34895
12078         * dwarf2out.c (force_type_die): Use modified_type_die instead of
12079         gen_type_die.
12080
12081 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
12082
12083         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
12084         malloc result type.
12085
12086 2008-01-23 Anatoly Sokolov <aesok@post.ru>
12087
12088         * config/avr/avr.c (avr_current_arch): New variable.
12089         (avr_arch_types): Add 'avr31' and 'avr51' entries.
12090         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
12091         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
12092         (avr_override_options): Init 'avr_current_arch'. 
12093         (base_arch_s): Move from here...
12094         * config/avr/avr.h (base_arch_s): ... here. Add new members 
12095         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
12096         'mega' to 'have_jmp_call'.
12097         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
12098         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
12099         macros.
12100         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
12101         architectures.
12102         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
12103         MULTILIB_MATCHES): (Ditto.).
12104
12105 2008-01-23  Richard Guenther  <rguenther@suse.de>
12106
12107         PR middle-end/31529
12108         * cgraphunit.c (cgraph_reset_node): Always mark the node
12109         not reachable if it is not queued already.
12110
12111 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
12112
12113         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
12114         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
12115         (cputype_selected): New static variable.
12116         (bfin_handle_option): Set it if -mcpu is used.
12117         (override_option): Select default set of workarounds if no cpu type
12118         selected on the command line.
12119         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
12120
12121         From  Michael Frysinger  <michael.frysinger@analog.com>
12122         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
12123         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
12124
12125         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
12126         for bf547, bf523, bf524, and bf526.
12127         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
12128         bf526.
12129         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
12130         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
12131         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
12132         __ADSPBF547__ and __ADSPBF54x__ for bf547.
12133         * doc/invoke.texi (Blackfin Options): Document that
12134         -mcpu now accept bf547, bf523, bf524, and bf526.
12135
12136 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
12137
12138         PR rtl-optimization/34628
12139         * combine.c (try_combine): Stop and undo after the first combination
12140         if an autoincrement side-effect on the first insn has effectively
12141         been lost.
12142
12143 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
12144
12145         PR target/34529
12146         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
12147         Offset addresses are not valid for Altivec or paired float modes.
12148
12149 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
12150
12151         PR c++/34607
12152         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
12153         if DECL_INITIAL (decl) is error_mark_node.
12154
12155         PR c++/34914
12156         * c-common.c (handle_vector_size_attribute): Only allow
12157         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
12158         the same way as pointer, array etc. types.
12159         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
12160
12161         PR c++/34917
12162         * tree.c (build_type_attribute_qual_variant): Call
12163         build_qualified_type if attributes are equal, but quals are not.
12164
12165 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12166
12167         PR 32102
12168         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
12169         * flags.h (warn_strict_aliasing): Remove.
12170         (warn_strict_overflow): Remove.
12171         * opts.c (warn_strict_aliasing): Remove.
12172         (warn_strict_overflow): Remove.
12173         * c-opts.c (c_common_handle_option): -Wall only sets
12174         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
12175         (c_common_post_options): Give default values to -Wstrict-aliasing
12176         and -Wstrict-overflow if they are uninitialized.
12177         * common.opt (Wstrict-aliasing): Specify Var and Init.
12178         (Wstrict-overflow): Likewise.
12179
12180 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
12181
12182         PR rtl-optimization/26854
12183         PR rtl-optimization/34400
12184         PR rtl-optimization/34884
12185         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
12186         DF_RD->gen.
12187         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
12188         (df_rd_bb_info.expanded_lr_out): Deleted
12189         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
12190         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
12191         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
12192         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
12193         Removed code to allocate, initialize or free expanded_lr_out.
12194         (df_rd_bb_local_compute_process_def): Restructured to make more
12195         understandable.
12196         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
12197         sets if the sets are being trimmed.
12198
12199 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
12200
12201         PR bootstrap/32287
12202         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
12203         (as_vers): Likewise.
12204         * configure: Regenerated.
12205
12206 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12207
12208         PR middle-end/33092
12209         * tree-pass.h (pass_build_alias): New pass.
12210         * tree-ssa-alias.c (gate_build_alias): New.
12211         (pass_build_alias): New.
12212         * passes.c (init_optimization_passes): Add pass_build_alias after
12213         pass_create_structure_vars.
12214
12215 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
12216
12217         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
12218         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
12219         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
12220         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
12221         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
12222         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
12223         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
12224         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
12225         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
12226         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
12227         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
12228         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
12229         * config/s390/s390.md (FP_ALL): New mode iterator.
12230         (_d): New mode attribute.
12231         ("*signbit<mode>2>"): Changed mode of first operand.
12232         ("isinf<mode>2"): Changed mode of first operand.
12233         ("*TDC_insn"): Adaptation for DFP modes.
12234
12235 2008-01-22  Ben Elliston  <bje@au.ibm.com>
12236
12237         * tree.c (check_qualified_type): Improve function description.
12238
12239 2008-01-21  Jason Merrill  <jason@redhat.com>
12240
12241         PR c++/34196
12242         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
12243         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
12244         if it is set.
12245
12246 2008-01-21  DJ Delorie  <dj@redhat.com>
12247
12248         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
12249         return zero.
12250
12251 2008-01-21  Richard Guenther  <rguenther@suse.de>
12252
12253         PR middle-end/34856
12254         * tree-cfg.c (verify_expr): Allow all invariant expressions
12255         instead of just constant class ones as reference argument.
12256         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
12257         like any other constant.
12258         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
12259
12260 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
12261
12262         * regmove.c (fixup_match_1): Update call crossed frequencies.
12263
12264 2008-01-21  Richard Guenther  <rguenther@suse.de>
12265
12266         PR c/34885
12267         * tree-inline.c (setup_one_parameter): Deal with mismatched
12268         types using a VIEW_CONVERT_EXPR.
12269
12270 2008-01-21  Alon Dayan  <alond@il.ibm.com>
12271             Olga Golovanevsky  <olga@il.ibm.com>
12272         
12273         PR tree-optimization/34701
12274         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
12275         when the structure size is not a power of 2.
12276
12277 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
12278
12279         * doc/install.texi: Add doc for --enable-checking=df.
12280         
12281 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
12282
12283         PR rtl-optimization/34808
12284         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
12285
12286 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
12287
12288         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
12289         input.
12290
12291 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
12292
12293         PR rtl-optimization/26854
12294         PR rtl-optimization/34400
12295         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
12296         DF_RD->gen.
12297         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
12298         (df_rd_bb_info.expanded_lr_out): New.
12299         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
12300         * loop_iv.c (iv_analysis_loop_init): Ditto.
12301         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
12302         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
12303         Added code to allocate, initialize or free expanded_lr_out.
12304         (df_rd_bb_local_compute_process_def): Restructured to make
12305         more understandable.
12306         (df_rd_confluence_n): Add code to do nothing with fake edges and
12307         code to no apply invalidate_by_call sets if the sets are being trimmed.
12308         (df_lr_local_finalize): Renamed to df_lr_finalize.
12309         (df_live_local_finalize): Renamed to df_live_finalize.
12310
12311 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
12312
12313         PR target/34831
12314         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
12315         deciding whether to use reciprocal instructions.
12316
12317 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
12318
12319         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
12320         dwarf2out_note_section_used if cold_text_section is NULL.
12321
12322 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
12323
12324         PR gcov-profile/34610
12325         * tree-cfg.c (make_edges): Mark both outgoing edges from
12326         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
12327         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
12328         from OMP_FOR and OMP_CONTINUE outgoing edges.
12329
12330         * tree-profile.c (tree_profiling): Return early if
12331         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
12332         at the end.
12333         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
12334         from cfun to child_cfun.
12335         * function.h (struct function): Add after_tree_profile bit.
12336
12337 2008-01-19 Anatoly Sokolov <aesok@post.ru>
12338
12339         * config/avr/avr.S (_exit): Disable interrupt.
12340
12341 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
12342             Steven Bosscher  <stevenb.gcc@gmail.com>
12343
12344         PR rtl-optimization/26854
12345         PR rtl-optimization/34400
12346         * df-problems.c (df_live_scratch): New scratch bitmap.
12347         (df_live_alloc): Allocate df_live_scratch when doing df_live.
12348         (df_live_reset): Clear the proper bitmaps.
12349         (df_live_bb_local_compute): Only process the artificial defs once
12350         since the order is not important.
12351         (df_live_init): Init the df_live sets only with the variables
12352         found live by df_lr.
12353         (df_live_transfer_function): Use the df_lr sets to prune the
12354         df_live sets as they are being computed.  
12355         (df_live_free): Free df_live_scratch.
12356
12357 2008-01-18  Ian Lance Taylor  <iant@google.com>
12358
12359         * common.opt: Add fmerge-debug-strings.
12360         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
12361         flag_merge_debug_strings rather than flag_merge_constants.
12362         * doc/invoke.texi (Option Summary): Mention
12363         -fmerge-debug-strings.
12364         (Debugging Options): Document -fmerge-debug-strings.
12365
12366 2008-01-18  Ian Lance Taylor  <iant@google.com>
12367
12368         PR c++/33407
12369         * tree.h (DECL_IS_OPERATOR_NEW): Define.
12370         (struct tree_function_decl): Add new field operator_new_flag.
12371         * tree-inline.c (expand_call_inline): When inlining a call to
12372         operator new, force the return value to go into a variable, and
12373         set DECL_NO_TBAA_P on that variable.
12374         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
12375
12376 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
12377
12378         PR debug/34484
12379         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
12380         DWARF2_DEBUGGING_INFO.
12381         (dwarf2out_note_section_used): Ditto.  Add prototype.
12382         (have_multiple_function_sections, text_section_used,
12383         cold_text_section_used, *cold_text_sections): Move declarations
12384         before their uses.
12385
12386 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
12387
12388         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
12389         field and add signal_ra.
12390         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
12391         assignments to frame state pc.  Move end of stack check after
12392         MD_FALLBACK_FRAME_STATE_FOR.
12393         (uw_update_context_1): Use frame state signal_regs if set, instead
12394         of checking signal_frame flag.
12395         (uw_update_context): Use frame state signal_ra if set.
12396         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
12397         * config/xtensa/linux-unwind.h: New file.
12398
12399 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
12400
12401         * modulo-sched.c (get_sched_window): Fix comment typo.
12402
12403 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
12404
12405         PR tree-optimization/34648
12406         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
12407
12408 2008-01-17  Anatoly Sokolov <aesok@post.ru>
12409
12410         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
12411         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
12412
12413 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
12414
12415         PR rtl-optimization/34400
12416         * df-core.c (df_worklist_dataflow_overeager,
12417         df_worklist_dataflow_doublequeue): New functions.
12418         (df_worklist_dataflow): Two different worklist solvers.
12419         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
12420         New param.
12421
12422 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
12423
12424         PR testsuite/34821
12425         * doc/invoke.texi: Document the dependence on pthread for fopenmp
12426         and ftree-parallelize-loops.
12427
12428 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
12429
12430         PR rtl-optimization/34826
12431         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
12432
12433 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
12434
12435         * global.c (find_reg): Mark the eh regs as used if necessary.
12436         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
12437         * ra.h (struct allocno): no_eh_reg field added.  Changed
12438         no_stack_reg type to bitfield.
12439
12440 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
12441
12442         * tree.c (substitute_in_expr): Add missing 'break'.
12443
12444 2008-01-17  Richard Guenther  <rguenther@suse.de>
12445
12446         PR tree-optimization/34825
12447         * tree-ssa-math-opts.c (is_division_by): Do not recognize
12448         x / x as division to handle.
12449
12450 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12451
12452         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
12453         "-pthread" is specified.
12454         * pa-hpux11.h (LIB_SPEC): Likewise.
12455
12456 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
12457             Peter Bergner  <bergner@vnet.ibm.com>
12458
12459         PR rtl-optimization/33796
12460         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
12461
12462 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12463
12464         PR libgfortran/34699
12465         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
12466         static links.
12467         * pa-hpux10.h (LINK_SPEC): Likewise.
12468         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
12469
12470 2008-01-16  Richard Guenther  <rguenther@suse.de>
12471
12472         PR middle-end/32628
12473         * fold-const.c (fold_convert_const_int_from_int): Do not
12474         set overflow if that occured only because of a sign extension
12475         change when converting from/to a sizetype with the same
12476         precision and signedness.
12477
12478 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
12479
12480         PR debug/34249
12481         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
12482         location address to the correct place.  Update copyright year.
12483
12484 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
12485
12486         * lambda-code.c (lambda_transform_legal_p): Handle the case of
12487         no dependences in the dependence_relations vector.
12488
12489 2008-01-16  Jan Hubicka  <jh@suse.cz>
12490
12491         PR rtl-optimization/31396
12492         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
12493         * cfg.c (dump_reg_info): Print it.
12494         * regs.h (struct reg_info_t): add freq_calls_crossed.
12495         (REG_FREQ_CALLS_CROSSED): New macro.
12496         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
12497         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
12498         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
12499         regmove_optimize): Update call crossed frequencies.
12500         * local-alloc.c (struct qty): Add freq_calls_crossed.
12501         (alloc_qty): Copute freq_calls_crossed.
12502         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
12503         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
12504         * ra.h (struct allocno): Add freq_calls_crossed.
12505
12506 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
12507
12508         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
12509         libgomp when compiling with ftree-parallelize-loops.
12510         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
12511
12512 2008-01-16  Richard Guenther  <rguenther@suse.de>
12513
12514         PR tree-optimization/34769
12515         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
12516         * tree.c (int_cst_value): Instead make this function more
12517         permissive in what it accepts as valid input.  Document this
12518         function always sign-extends the value.
12519
12520 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
12521             Richard Guenther  <rguenther@suse.de>
12522
12523         PR c/34668
12524         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
12525         (gimple_fold_indirect_ref_rhs): ... this.
12526         (gimple_fold_indirect_ref): New function with foldings
12527         that preserve lvalueness.
12528         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
12529         * tree-flow.h (gimple_fold_indirect_ref): Declare.
12530         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
12531         to fold an INDIRECT_REF, fall back to the old use of
12532         fold_indirect_ref_1.
12533
12534 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
12535
12536         * tree-data-ref.c (subscript_dependence_tester_1): Call 
12537         free_conflict_function.
12538         (compute_self_dependence): Same.
12539
12540 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
12541
12542         PR debug/34249
12543         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
12544         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
12545         function global.
12546         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
12547         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
12548         for DWARF2_UNWIND_INFO targets.
12549
12550 2008-01-16  Richard Guenther  <rguenther@suse.de>
12551
12552         PR c/34768
12553         * c-typeck.c (common_pointer_type): Do not merge inconsistent
12554         type qualifiers for function types.
12555
12556 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
12557
12558         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
12559         loop_iterator li from previous commit.
12560
12561 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
12562
12563         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
12564
12565 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
12566
12567         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
12568         (parallelize_loops): Don't parallelize irreducible components.
12569
12570 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12571
12572         PR c++/24924
12573         * c-opts (c_common_post_options): Do not enable CPP
12574         flag_pedantic_errors by default.
12575         
12576 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
12577
12578         PR rtl-optimization/31944
12579         * cse.c (remove_pseudo_from_table): New function.
12580         (merge_equiv_classes): Use above function to remove pseudo-registers.
12581         (invalidate): Likewise.
12582
12583 2008-01-13  Richard Guenther  <rguenther@suse.de>
12584
12585         PR middle-end/34601
12586         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
12587         instead of TYPE_MODE to deal with calls from expand_one_error_var.
12588
12589 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
12590
12591         * gcse.c (cprop_jump): Call validate_unshare_change instead of
12592         validate_change to unshare the source of the PC set.
12593
12594 2008-01-12  Jan Hubicka  <jh@suse.cz>
12595
12596         PR middle-end/32135
12597         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
12598         references above array bounds.  This might trigger bounds checks for
12599         pointers to arrays.
12600
12601 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
12602
12603         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
12604         new_replaceable_dependencies.
12605
12606 2008-01-12  Doug Kwan  <dougkwan@google.com>
12607
12608         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
12609         instead of OPT_Wreturn_type in warning due to ignored return type
12610         qualifiers.
12611         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
12612         options included in -Wextra.
12613         * c.opt: New option -Wignored_qualifiers.
12614         * doc/invoke.texi (Warning Options, -Wextra): Add new option
12615         -Wignore_qualifiers.
12616         (-Wignored-qualifiers): Document.
12617         (-Wreturn-type): Remove description of functionality now handled
12618         by -Wignored-qualifiers.
12619
12620 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
12621
12622         PR ada/33788
12623         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
12624         NOP_EXPR if it is between integral types with the same precision.
12625
12626 2008-01-12  Jan Hubicka  <jh@suse.cz>
12627
12628         PR other/28023
12629         * invoke.texi (max-inline-recursive-depth): Fix default value.
12630
12631 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
12632
12633         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
12634         correct type.
12635
12636 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
12637         
12638         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
12639         
12640 2008-01-11  James E. Wilson  <wilson@specifix.com>
12641
12642         PR target/26015
12643         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
12644
12645 2008-01-11  Anatoly Sokolov <aesok@post.ru>
12646
12647         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
12648         save/restore frame pointer register and don't use 'call-prologues' 
12649         optimization in function with "OS_task" attribute.
12650
12651 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
12652
12653         PR middle-end/31309
12654         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
12655         when copying to memory.
12656
12657 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
12658
12659         PR rtl-optimization/30905
12660         * cfgcleanup.c: Include dce.h
12661         (crossjumps_occured): New global variable.
12662         (try_crossjump_bb): Exit loop after finding a fallthru edge.
12663         If something changed, set crossjumps_occured to true.
12664         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
12665         Don't add/remove fake edges to exit here...
12666         (cleanup_cfg): ...but do it here, when crossjumping.
12667         Run a fast DCE when successful crossjumps occured in the latest
12668         iteration of try_optimize_cfg.
12669
12670 2008-01-11  Richard Guenther  <rguenther@suse.de>
12671
12672         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
12673         (struct vn_unary_op_s): Likewise.
12674         (vn_reference_insert): Free old reference on hash collision.
12675
12676 2008-01-10  Raksit Ashok  <raksit@google.com>
12677
12678         PR rtl-optimization/27971
12679         * combine.c (find_split_point): Split PLUS expressions which are
12680         inside a MEM rtx, and whose first operand is complex.
12681
12682 2008-01-10  DJ Delorie  <dj@redhat.com>
12683
12684         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
12685         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
12686         (m32c_hard_regno_ok): Call the underlying function.
12687
12688 2008-01-10  Richard Guenther  <rguenther@suse.de>
12689
12690         PR middle-end/34683
12691         * tree-cfg.c (tree_merge_blocks): Do not go through the
12692         full-blown folding and stmt updating path if we just deal
12693         with virtual operands.
12694         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
12695         test for abnormal SSA_NAMEs.
12696
12697 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
12698
12699         PR middle-end/34641
12700         * reload.c (push_reload): Add assertions.  All constants from
12701         reg_equiv_constant should have been used for replacing the respective
12702         pseudo earlier.
12703         (find_reloads_address): Invoke find_reloads_address_part for
12704         constant taken from the reg_equiv_constant array.
12705
12706 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
12707
12708         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
12709         field (valnum) the first in the struct.  Replace bools with
12710         unit bit fields.
12711
12712 2008-01-10  Richard Guenther  <rguenther@suse.de>
12713
12714         PR tree-optimization/34651
12715         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
12716         types and ordering for masking and converting.
12717
12718 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
12719
12720         PR tree-optimization/34017
12721         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
12722         also for PHI_NODE expressions.
12723
12724 2008-01-09  Jan Hubicka  <jh@suse.cz>
12725
12726         PR tree-optimization/34708
12727         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
12728         based on number of case labels.
12729         (init_inline_once): Remove switch_cost.
12730         * tree-inline.h (eni_weights_d): Remove switch_cost.
12731
12732 2008-01-09  Richard Guenther  <rguenther@suse.de>
12733         Andrew Pinski  <andrew_pinski@playstation.sony.com>
12734
12735         PR middle-end/30132
12736         * gimplify.c (gimplify_cond_expr): Do not create an addressable
12737         temporary if an rvalue is ok or an lvalue is not required.
12738
12739 2008-01-09  Richard Guenther  <rguenther@suse.de>
12740
12741         PR middle-end/34458
12742         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
12743         adjust return type.
12744
12745 2008-01-09  Richard Guenther  <rguenther@suse.de>
12746
12747         PR middle-end/34679
12748         * tree.c (host_integerp): Check for sizetype only if the
12749         type is an integer type.
12750
12751 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
12752
12753         PR debug/26364
12754         * opts.c (decode_options): Disable inlining of functions called
12755         once if not in unit-at-a-time mode.
12756
12757 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
12758
12759         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
12760
12761 2008-01-08  Richard Guenther  <rguenther@suse.de>
12762
12763         PR middle-end/31863
12764         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
12765         out early if the result will be unused.
12766
12767 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
12768
12769         PR target/34709
12770         Revert:
12771
12772         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
12773         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
12774         for TARGET_RECIP.       
12775         
12776 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
12777         
12778         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
12779         for vectorization tuned.
12780         
12781 2008-01-08  Richard Guenther  <rguenther@suse.de>
12782
12783         PR tree-optimization/34683
12784         * tree-ssa-operands.c (operand_build_cmp): Export.
12785         * tree-ssa-operands.h (operand_build_cmp): Declare.
12786         * tree-vn.c (vuses_compare): Remove.
12787         (sort_vuses): Use operand_build_cmp.
12788         (sort_vuses_heap): Likewise.
12789         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
12790         to re-use old VEC if available.  Do not sort already sorted VUSEs.
12791         (vdefs_to_vec): Do not sort already sorted VDEFs.
12792
12793 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
12794
12795         PR middle-end/34694
12796         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
12797
12798 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
12799
12800         PR target/34702
12801         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
12802         limitations of reciprocal sequences on x86 targets.
12803
12804 2008-01-08  Richard Guenther  <rguenther@suse.de>
12805
12806         PR tree-optimization/34683
12807         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
12808
12809 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
12810
12811         PR target/34622
12812         * config/darwin.c (darwin_mergeable_string_section): Don't use
12813         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
12814
12815 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
12816
12817         PR target/34682
12818         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
12819         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
12820         predicates of op0 and op1 to register_operand.
12821         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
12822         expander using X87MODEF mode iterator.  Change predicates of
12823         op0 and op1 to register_operand.
12824         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
12825         corresponding patterns and macroize using MODEF macro.  Change
12826         predicates of op0 and op1 to register_operand and remove
12827         "m" constraint. Disparage "r" alternative with "!".
12828         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
12829         macroize using X87MODEF macro.  Change predicates of op0 and op1
12830         to register_operand and remove "m" constraint.  Disparage "r"
12831         alternative with "!".
12832         (absneg splitter with memory operands): Remove.
12833         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
12834         patterns and macroize using X87MODEF mode iterator.
12835         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
12836         Change predicate of op1 to register_operand.
12837         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
12838         for memory operands.
12839
12840 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
12841
12842         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
12843
12844 2008-01-07  Richard Guenther  <rguenther@suse.de>
12845
12846         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
12847         fields.
12848
12849 2008-01-07  Richard Guenther  <rguenther@suse.de>
12850
12851         PR tree-optimization/34683
12852         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
12853         VOPs of the needed size to save memory.  Use VEC_quick_push
12854         to save compile-time.
12855         (vdefs_to_vec): Likewise.
12856
12857 2008-01-07  Sa Liu  <saliu@de.ibm.com>
12858
12859         * config/spu/spu.md (divdf3): Genetate inline code for double
12860         division.  The implementation doesn't handle INF or NAN, therefore it
12861         only applies when -ffinite-math-only is given.
12862
12863 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
12864
12865         PR libstdc++/34680
12866         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
12867         * doc/cpp.texi ([Common Predefined Macros]): Document.
12868
12869 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
12870
12871         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
12872         order to use commutative addition instead of subtraction.
12873
12874 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12875             Mircea Namolaru  <namolaru@il.ibm.com>
12876             Vladimir Yanovsky  <yanov@il.ibm.com>
12877             Revital Eres  <eres@il.ibm.com>
12878
12879         PR tree-optimization/34263
12880         * tree-outof-ssa.c (process_single_block_loop_latch,
12881         contains_tree_r): New functions.
12882         (analyze_edges_for_bb): Call process_single_block_loop_latch
12883         function to empty single-basic-block latch block if possible.
12884
12885 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
12886
12887         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
12888         for TARGET_RECIP.
12889         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
12890
12891 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
12892
12893         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
12894
12895 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
12896
12897         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
12898
12899 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
12900
12901         PR tree-optimization/34618
12902         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
12903         flag from T.
12904
12905 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
12906
12907         PR target/34673
12908         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
12909         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
12910         Update copyright year.
12911
12912         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
12913         Update copyright year.
12914         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
12915         using NR fixup.
12916
12917 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
12918
12919         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
12920         edge does not point to current bb before changing need_assert.
12921
12922 2008-01-04  Richard Guenther  <rguenther@suse.de>
12923
12924         PR middle-end/34029
12925         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
12926         for verifying purposes if they are is_gimple_min_invariant.
12927
12928 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
12929
12930         PR tree-optimization/34448
12931         PR tree-optimization/34465
12932         * gimplify.c (gimplify_init_constructor): Add new parameter
12933         notify_temp_creation.  Use it.
12934         (gimplify_modify_expr_rhs): Take volatiles into account when
12935         optimizing constructors.
12936         Do not optimize constructors if gimplify_init_constructor will dump to
12937         memory.
12938         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
12939         * gcc.c-torture/compile/pr34448.c: New.
12940
12941 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
12942
12943         PR gcov-profile/34609
12944         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
12945         return_slot if result is TREE_ADDRESSABLE.
12946
12947 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
12948
12949         * config/mips/mips.md (sqrt_condition): Tweak comment.
12950         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
12951
12952 2008-01-03  Tom Tromey  <tromey@redhat.com>
12953
12954         PR c/34457
12955         * c-common.c (c_type_hash): Handle VLAs.
12956
12957 2008-01-03  Jan Hubicka  <jh@suse.cz>
12958
12959         PR tree-optimization/31081
12960         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
12961         0 when inlining and not inlining to first basic block.
12962         (remap_decl): When var is initialized to 0, don't set default_def.
12963         (expand_call_inline): Set entry_bb.
12964         * tree-inline.h (copy_body_data): Add entry_bb.
12965
12966 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
12967
12968         PR c++/34619
12969         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
12970         before returning.
12971
12972         PR tree-optimization/29484
12973         * tree-inline.c (inline_forbidden_p_2): New function.
12974         (inline_forbidden_p): Disallow inlining if some static var
12975         has an address of a local LABEL_DECL in its initializer.
12976         * doc/extend.texi (Labels as Values): Document &&foo behaviour
12977         vs. inlining.
12978
12979 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
12980
12981         PR tree-optimization/34635
12982         * tree-data-ref.c (add_other_self_distances): Make sure that the
12983         evolution step is constant.
12984
12985 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
12986
12987         PR middle-end/34608
12988         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
12989
12990 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
12991
12992         * tree-sra.c (scalarize_init): Insert the generate_element_init
12993         statements after the generate_element_zero statements.
12994
12995 2008-01-02  Richard Guenther  <rguenther@suse.de>
12996
12997         PR middle-end/34093
12998         PR middle-end/31976
12999         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
13000         for very large number of operands instead of ICEing.
13001
13002 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
13003
13004         PR target/34013
13005         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
13006         while stack probing.
13007
13008 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
13009
13010         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
13011         in C++0x mode.
13012
13013 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
13014
13015         PR libmudflap/26442
13016         * tree-mudflap.c (mx_register_decls): Guard warning by
13017         !DECL_ARTIFICIAL check.
13018
13019 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
13020
13021         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
13022         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
13023         sse5_perm<mode>): Fix constraints.