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PR target/39911
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2
3         PR target/39911
4         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
5         and integer modes for x87 operands.  Do not ICE for unsupported size,
6         generate error instead.  Generate error for unsupported operand types.
7         ['z']: Do not handle HImode memory operands specially.  Warning
8         for floating-point operands.  Fallthru to 'Z' for unsupported operand
9         types.  Do not ICE for unsupported size, generate error instead.
10         (output_387_binary_op): Use %Z to output operands.
11         (output_fp_compare): Ditto.
12         (output_387_reg_move): Ditto.
13
14 2009-04-28  Ben Elliston  <bje@au.ibm.com>
15
16         PR c++/35652
17         Revert:
18
19         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20
21         * builtins.c (c_strlen): Do not warn here.
22         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
23         * c-common.c (pointer_int_sum): Take an explicit location.
24         Warn about offsets out of bounds.
25         * c-common.h (pointer_int_sum): Adjust declaration.
26
27 2009-04-27  Ian Lance Taylor  <iant@google.com>
28
29         * collect2.c (is_ctor_dtor): Change type of ret field in struct
30         names to symkind.
31         * dce.c (run_fast_df_dce): Change type of old_flags to int.
32         * df-core.c (df_set_flags): Change return type to int.  Change
33         type of old_flags to int.
34         (df_clear_flags): Likewise.
35         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
36         (df_get_conditional_uses): Likewise.
37         * df.h (df_set_flags, df_clear_flags): Update declarations.
38         * dwarf2out.c (struct indirect_string_node): Change type of form
39         field to enum dwarf_form.
40         (AT_string_form): Change return type to enum dwarf_form.
41         * fixed-value.c (fixed_compare): Add cast to enum type.
42         * fwprop.c (update_df): Change 0 to VOIDmode.
43         * gensupport.c: Change 0 to UNKNOWN.
44         * gimple.h (gimple_cond_code): Add cast to enum type.
45         * haifa-sched.c (reemit_notes): Add cast to enum type.
46         * hooks.c (hook_int_void_no_regs): Remove function.
47         * hooks.h (hook_int_void_no_regs): Remove declaration.
48         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
49         * predict.c (combine_predictions_for_insn): Add casts to enum
50         type.
51         * real.c (real_arithmetic): Add cast to enum type.
52         (real_compare): Likewise.
53         * target.h (struct gcc_target): Change return type of
54         branch_target_register_class to enum reg_class.
55         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
56         default_branch_target_register_class.
57         * targhooks.c (default_branch_target_register_class): New
58         function.
59         * targhooks.h (default_branch_target_register_class): Declare.
60         * tree-data-ref.c (print_direction_vector): Add cast to enum
61         type.
62         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
63         cast to int.
64         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
65         ERROR_MARK.
66         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
67         vect_uninitialized_def.  Change 0 to ERROR_MARK.
68         * tree-vect-stmts.c (supportable_widening_operation): Don't
69         initialize icode1 and icode2.
70         * tree-vectorizer.h (enum vect_def_type): Add
71         vect_uninitialized_def.
72         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
73         and to STD_C89.
74         (cmn_err_flag_specs): Change 0 to STD_C89.
75         (cmn_err_char_table): Likewise.
76         * config/arm/arm.c (get_arm_condition_code): Change type of code
77         to enum arm_cond_code.
78         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
79         (IWMMXT_BUILTIN2): Likewise.
80         (neon_builtin_type_bits): Don't define typedef.
81         (neon_builtin_datum): Change type of bits field to int.
82         (arm_expand_neon_args): Add cast to enum type.
83         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
84         TLS_MODEL_NONE.
85         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
86         casts to enum type.
87         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
88         MIPS_FP_COND_f.
89         * config/mips/mips.md (jal_macro): Return enum constant.
90         (single_insn): Likewise.
91         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
92         CODE_FOR_nothing.
93         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
94         casts to enum type.
95         * config/s390/s390.c (s390_tune_flags): Change type to int.
96         (s390_arch_flags): Likewise.
97         (s390_handle_arch_option): Change flags field of struct pta to
98         int.
99         * config/s390/s390.h (s390_tune_flags): Update declaration.
100         (s390_arch_flags): Likewise.
101         * config/sh/sh.c (prepare_move_operands): Compare
102         tls_symbolic_operand result with enum constant.
103         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
104         (sh_expand_prologue): Add cast to enum type.
105         (sh_expand_epilogue): Likewise.
106         (tls_symbolic_operand): Change return type to enum tls_model.
107         (fpscr_set_from_mem): Add cast to enum type.
108         (legitimize_pic_address): Compare tls_symbolic_operand result with
109         enum constant.
110         (sh_target_reg_class): Change return type to enum reg_class.
111         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
112         PROCESSOR_xxx.
113         * config/sh/sh-protos.h (tls_symbolic_operand): Update
114         declaration.
115         * config/sparc/sparc.c (sparc_override_options): Add cast to enum
116         type.
117         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
118         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
119         (delayed_branch, tls_call_delay): Likewise.
120         (eligible_for_sibcall_delay): Likewise.
121         (eligible_for_return_delay): Likewise. 
122         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
123         (spu_expand_builtin_1): Likewise.
124
125         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
126         for all types of conversions.
127         (output_init_element): Issue -Wc++-compat warning if needed when
128         initializing a bitfield with enum type.
129         * c-parser.c (c_parser_expression): Set original_type to
130         original_type of right hand operand of comman operator.
131
132 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
133
134         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
135         grammar nits.
136         * doc/cfg.texi (Maintaining the CFG, Liveness information):
137         Likewise.
138         * doc/cpp.texi (Standard Predefined Macros)
139         (Implementation-defined behavior): Likewise.
140         * doc/extend.texi (Function Attributes, Type Attributes):
141         Likewise.
142         * doc/gimple.texi (GIMPLE Exception Handling)
143         (@code{GIMPLE_ASSIGN}): Likewise.
144         * doc/install.texi (Prerequisites, Configuration, Specific):
145         Likewise.
146         * doc/invoke.texi (Warning Options, Optimize Options)
147         (AVR Options, Darwin Options): Likewise.
148         (Optimize Options): Reformulate -fwhole-program description.
149         * doc/loop.texi (Lambda): Likewise.
150         * doc/md.texi (Output Template, Define Constraints)
151         (Standard Names, Insn Splitting): Likewise.
152         * doc/options.texi (Option properties): Likewise.
153         * doc/passes.texi (Tree-SSA passes): Likewise.
154         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
155         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
156         (File Names and DBX): Likewise.
157         * doc/trouble.texi (Incompatibilities): Likewise.
158
159 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
160
161         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
162         instruction is correct.
163
164 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
165
166         Allow non-constant arguments to conversion intrinsics.
167         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
168         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
169         * spu.c (print_operand): Handle 'v' and 'w'.
170         (exp2_immediate_p, spu_gen_exp2): Define.
171         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
172         spu_convtf_1): Update parameter descriptions.
173         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu):
174         Update.
175         * constraints.md ('v', 'w'): New.
176         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
177         Remove.
178         (i2f, I2F): New define_mode_attr.
179         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
180         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
181         fixuns_truncv4sfv4si2):  Update to use mode attribute.
182         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
183         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
184         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
185         patterns for combine.
186
187 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
188
189         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
190         (cprop, hoist, pre, store_motion): New debug counters.
191         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
192         is not an RTL pass anymore.
193         (pass_profiling): Remove extern decl for pass removed in 2005.
194         (pass_gcse, pass_jump_bypass): Remove.
195         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
196         to 0 for clean state.
197         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
198         * cse.c (gate_handle_cse_after_global_opts,
199         rest_of_handle_cse_after_global_opts): New functions.
200         (pass_cse_after_global_opts): New pass, does local CSE.
201         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
202         (TV_CPROP): New timevar.
203         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
204         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
205         (gcse_main, recompute_all_luids): Remove.
206         (compute_hash_table_work): Call max_reg_num instead of reading
207         max_gcse_regno.
208         (cprop_jump): Don't set run_jump_opt_after_gcse.
209         (constprop_register): Always allow to alter jumps.
210         (cprop_insn): Likewise.
211         (do_local_cprop): Likewise.
212         (local_cprop_pass): Likewise.  Return non-zero if something changed.
213         (cprop): Remove function, fold interesting bits into one_cprop_pass.
214         (find_implicit_sets): Add note about missed optimization opportunity.
215         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
216         pass_rtl_cprop execute function.
217         Don't bother tracking the pass number, each pass gets its own dumpfile
218         now anyway.
219         Always allow to alter jumpsand bypass jumps.
220         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
221         will just find no suitable set.
222         (pre_edge_insert): Fix dumping, this function is for PRE only.
223         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
224         pass_rtl_pre execute function.
225         (hoist_code): Return non-zero if something changed.  Keep track of
226         substitutions and insertions for statistics gathering similar to PRE.
227         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
228         called from the pass_rtl_hoist execute function.  Show pass statistics.
229         (compute_store_table): Use max_reg_num directly instead of using the
230         formerly global max_gcse_regno.
231         (build_store_vectors): Likewise.
232         (replace_store_insn): Fix dumping.
233         (store_motion): Rename to ...
234         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
235         pass, called from the pass_rtl_store_motion execute function.  Keep
236         track of substitutions and insertions for statistics gathering similar
237         to PRE.
238         (bypass_jumps): Remove, fold interesting bits into ...
239         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
240         from the pass_rtl_cprop execute function.
241         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
242         pass_jump_bypass): Remove.
243         (gate_handle_gcse, rest_of_handle_gcse): Remove.
244         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
245         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
246         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
247         (gate_rtl_store_motion, execute_rtl_store_motion,
248         pass_rtl_store_motion): New.
249         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
250         make it clear that -fcse-skip-blocks is a no-op for backward compat.
251         * passes.c (init_optimization_passes): Remove pass_gcse and
252         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
253         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
254         instead of pass_jump_bypass.
255
256 2009-04-27  Richard Guenther  <rguenther@suse.de>
257
258         PR middle-end/39928
259         * gimplify.c (gimplify_expr): If we are required to create
260         a temporary make sure it ends up as register.
261
262 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
263
264         PR target/39903
265         * config/i386/i386.c (construct_container): Don't call
266         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
267         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
268
269 2009-04-27  Michael Matz  <matz@suse.de>
270
271         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
272         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
273         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
274         (dump_replaceable_exprs): Take a bitmap.
275         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
276         array.
277         (expand_gimple_basic_block): Likewise.
278         * tree-ssa-ter.c (struct temp_expr_table_d): Make
279         replaceable_expressions member a bitmap.
280         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
281         (mark_replaceable): Likewise.
282         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
283         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
284
285 2009-04-27  Richard Guenther  <rguenther@suse.de>
286
287         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
288         (verify_stmts): Dispatch to gimple/type verification code.
289         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
290         issue with call argument types.
291
292 2009-04-27  Michael Matz  <matz@suse.de>
293
294         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
295         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
296         to above.
297
298 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
299             Eric Botcazou  <ebotcazou@adacore.com>
300
301         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
302         a label's basic block.
303         (mark_target_live_regs): Tidy and rework obsolete comments.
304         Change back DF problem to LIVE.  If a label starts a basic block,
305         assume that all registers that used to be live then still are.
306         (init_resource_info): If a label starts a basic block, set its
307         BLOCK_FOR_INSN accordingly.
308         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
309
310 2009-04-27  Richard Guenther  <rguenther@suse.de>
311
312         * tree-flow-inline.h (function_ann): Remove.
313         (get_function_ann): Likewise.
314         * tree-dfa.c (create_function_ann): Remove.
315         * tree-flow.h (struct static_var_ann_d): Remove.
316         (struct function_ann_d): Likewise.
317         (union tree_ann_d): Remove fdecl member.
318         (function_ann_t): Remove.
319         (function_ann, get_function_ann, create_function_ann): Remove
320         declarations.
321
322 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
323
324         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
325
326 2009-04-27  Jan Hubicka  <jh@suse.cz>
327
328         * ipa-pure-const.c (struct funct_state_d): New fields
329         state_previously_known, looping_previously_known; remove
330         state_set_in_source.
331         (analyze_function): Use new fields.
332         (propagate): Avoid assumption that state_set_in_source imply
333         nonlooping.
334
335         * tree-ssa-loop-niter.c (finite_loop_p): New function.
336         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
337         * cfgloop.h (finite_loop_p): Declare.
338
339 2009-04-26  Michael Matz  <matz@suse.de>
340
341         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
342
343 2009-04-26  Michael Matz  <matz@suse.de>
344
345         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
346         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
347         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
348         pass_mark_used_blocks): Remove.
349         * tree-optimize.c (pass_free_datastructures,
350         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
351         * passes.c (init_optimization_passes): Don't call
352         pass_mark_used_blocks, remove dead code.
353
354 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
355
356         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
357         * tree-ssa-live.h (register_ssa_partition): Likewise.
358
359 2009-04-26  Michael Matz  <matz@suse.de>
360
361         Expand from SSA.
362         * builtins.c (fold_builtin_next_arg): Handle SSA names.
363         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
364         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
365         SSA names. 
366         (compare_pairs): Swap cost comparison.
367         (coalesce_ssa_name): Don't use change_partition_var.
368         * tree-nrv.c (struct nrv_data): Add modified member.
369         (finalize_nrv_r): Set it.
370         (tree_nrv): Use it to update statements.
371         (pass_nrv): Require PROP_ssa.
372         * tree-mudflap.c (mf_decl_cache_locals,
373         mf_build_check_statement_for): Use make_rename_temp.
374         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
375         * alias.c (find_base_decl): Handle SSA names.
376         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
377         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
378         * rtl.h (set_reg_attrs_for_parm): Declare.
379         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
380         to "optimized", remove unused locals at finish.
381         (execute_free_datastructures): Make global, call
382         delete_tree_cfg_annotations.
383         (execute_free_cfg_annotations): Don't call
384         delete_tree_cfg_annotations.
385
386         * ssaexpand.h: New file.
387         * expr.c (toplevel): Include ssaexpand.h.
388         (expand_assignment): Handle SSA names the same as register variables.
389         (expand_expr_real_1): Expand SSA names.
390         * cfgexpand.c (toplevel): Include ssaexpand.h.
391         (SA): New global variable.
392         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
393         (SSAVAR): New macro.
394         (set_rtl): New helper function.
395         (add_stack_var): Deal with SSA names, use set_rtl.
396         (expand_one_stack_var_at): Likewise.
397         (expand_one_stack_var): Deal with SSA names.
398         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
399         before unique numbers.
400         (expand_stack_vars): Use set_rtl.
401         (expand_one_var): Accept SSA names, add asserts for them, feed them
402         to above subroutines.
403         (expand_used_vars): Expand all partitions (without default defs),
404         then only the local decls (ignoring those expanded already).
405         (expand_gimple_cond): Remove edges when jumpif() expands an
406         unconditional jump.
407         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
408         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
409         SSA name.
410         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
411         members of SA; deal with PARM_DECL partitions here; expand
412         all PHI nodes, free tree datastructures and SA.  Commit instructions
413         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
414         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
415         info and statements at start, collect garbage at finish.
416         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
417         (VAR_ANN_PARTITION) Remove.
418         (change_partition_var): Don't declare.
419         (partition_to_var): Always return SSA names.
420         (var_to_partition): Only accept SSA names.
421         (register_ssa_partition): Only check argument.
422         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
423         member.
424         (delete_var_map): Don't free it.
425         (var_union): Only accept SSA names, simplify.
426         (partition_view_init): Mark only useful SSA names as used.
427         (partition_view_fini): Only deal with SSA names.
428         (change_partition_var): Remove.
429         (dump_var_map): Use ssa_name instead of partition_to_var member.
430         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
431         basic blocks.
432         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
433         (struct _elim_graph): New member const_dests; nodes member vector of
434         ints.
435         (set_location_for_edge): New static helper.
436         (create_temp): Remove.
437         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
438         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
439         (new_elim_graph): Allocate const_dests member.
440         (clean_elim_graph): Truncate const_dests member.
441         (delete_elim_graph): Free const_dests member.
442         (elim_graph_size): Adapt to new type of nodes member.
443         (elim_graph_add_node): Likewise.
444         (eliminate_name): Likewise.
445         (eliminate_build): Don't take basic block argument, deal only with
446         partition numbers, not variables.
447         (get_temp_reg): New static helper.
448         (elim_create): Use it, deal with RTL temporaries instead of trees.
449         (eliminate_phi): Adjust all calls to new signature.
450         (assign_vars, replace_use_variable, replace_def_variable): Remove.
451         (rewrite_trees): Only do checking.
452         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
453         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
454         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
455         contains_tree_r, MAX_STMTS_IN_LATCH,
456         process_single_block_loop_latch, analyze_edges_for_bb,
457         perform_edge_inserts): Remove.
458         (expand_phi_nodes): New global function.
459         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
460         functions, initialize new parameter, remember partitions having a
461         default def.
462         (finish_out_of_ssa): New global function.
463         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
464         don't reset in_ssa_p here, don't disable TER when mudflap.
465         (pass_del_ssa): Remove.
466         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
467         partition members.
468         (execute_free_datastructures): Declare.
469         * Makefile.in (SSAEXPAND_H): New variable.
470         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
471         * basic-block.h (commit_one_edge_insertion): Declare.
472         * passes.c (init_optimization_passes): Move pass_nrv and
473         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
474         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
475         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
476         (redirect_branch_edge): Deal with super block when expanding, split
477         out jump patching itself into ...
478         (patch_jump_insn): ... here, new static helper.
479
480 2009-04-26  Michael Matz  <matz@suse.de>
481
482         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
483         beyond num_ssa_names.
484         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
485         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
486
487 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
488
489         PR inline-asm/39543
490         * fwprop.c (forward_propagate_asm): New function.
491         (forward_propagate_and_simplify): Propagate also into __asm, if it
492         doesn't increase the number of referenced registers.
493
494         PR c/39889
495         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
496
497 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
498
499         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
500         note_nonlocal_vla_type for nonlocal VLAs.
501         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
502         contains_remapped_vars, remap_vla_decls): New functions.
503         (convert_nonlocal_reference_stmt): If not optimizing, call
504         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
505         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
506         if it wasn't found in var_map.
507         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
508         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
509         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
510         declare_vars.
511         * gimplify.c (nonlocal_vlas): New variable.
512         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
513         referenced VLAs.
514         (gimplify_body): Create and destroy nonlocal_vlas.
515
516         * dwarf2out.c (loc_descr_plus_const): New function.
517         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
518         mem_loc_descriptor, loc_descriptor_from_tree_1,
519         descr_info_loc, gen_variable_die): Use it.
520
521         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
522         !TREE_STATIC VAR_DECLs.
523         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
524         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
525         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
526         DECL_BY_REFERENCE is valid.
527         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
528         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
529         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
530         Copy DECL_BY_REFERENCE.
531         (struct nesting_copy_body_data): New type.
532         (nesting_copy_decl): New function.
533         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
534         if they have variable length.
535
536 2009-04-26  Michael Matz  <matz@suse.de>
537
538         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
539         mark new temporaries for renaming.
540
541 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
542
543         PR c/39581
544         * c-decl.c (global_bindings_p): Return negative value.
545         (c_variable_size): New.  Based on variable_size from
546         stor-layout.c.
547         (grokdeclarator): Call c_variable_size not variable_size.
548
549 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
550
551         * config/i386/i386.c (print_operand) ['z']: Fix typo.
552
553 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
554
555         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
556         Redefine it to just use mingw/include.
557         (ASM_SPEC): Rules for -m32 and -m64.
558         (LINK_SPEC): Use Likewise.
559         (SPEC_32): New define.
560         (SPEC_64): Likewise.
561         (SUB_LINK_SPEC): Likewise.
562         (MULTILIB_DEFAULTS): New define.
563         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
564         Add multilib options.
565         (MULTILIB_DIRNAMES): Likewise.
566         (MULTILIB_OSDIRNAMES): Likewise.
567         (LIBGCC): Likewise.
568         (INSTALL_LIBGCC): Likewise.
569
570 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
571
572         PR c/39556
573         * c-tree.h (enum c_inline_static_type): New.
574         (record_inline_static): Declare.
575         * c-decl.c (struct c_inline_static, c_inline_statics,
576         record_inline_static, check_inline_statics): New.
577         (pop_file_scope): Call check_inline_statics.
578         (start_decl): Call record_inline_static instead of pedwarning
579         directly for static in inline function.
580         * c-typeck.c (build_external_ref): Call record_inline_static
581         instead of pedwarning directly for static referenced in inline
582         function.
583
584 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
585
586         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
587         not new but only being rescanned.
588         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
589         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
590         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
591         record_set_info, compute_set, grealloc): Remove.
592         (recompute_all_luids): New function.
593         (gcse_main): Don't compute sets, and don't do related memory
594         allocations/free-ing.  If something changed before the end of the
595         pass, update LUIDs using recompute_all_luids.
596         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
597         (free_gcse_mem): Don't free it either.
598         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
599         Use the df insn LUIDs.
600         (load_killed_in_block): Likewise.
601         (compute_hash_table_work): Don't compute reg_set_in_block.
602         (compute_transp): Use DF_REG_DEF_CHAINs.
603         (local_cprop_pass): Don't use compute_sets and related functions.
604         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
605         Use get_max_uid() instead of max_cuid.
606         (insert_insn_end_basic_block, pre_insert_copy_insn,
607         update_ld_motion_stores): Don't try to
608         keep reg_set tables up to date.
609         (pre_insert_copies): Use df insn LUIDs.
610         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
611         (reg_set_info): Don't use extra bitmap argument.
612         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
613         information to compute regs_set_in_block.
614         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
615         (bypass_jumps): Don't use compute_sets and friends.
616
617 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
618
619         PR testsuite/39710
620         * opts.c (undocumented_msg): Do not leave blank even with
621         ENABLE_CHECKING.
622
623 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
624
625         * c-decl.c (build_enumerator): Allow values folding to integer
626         constants but not integer constant expressions with a pedwarn if
627         pedantic.
628
629 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
630
631         PR c/39582
632         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
633         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
634         type is an integer constant.
635
636 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
637
638         PR target/39897
639         * config/i386/i386.c (print_operand) ['z']: Revert handling of
640         HImode operands.
641
642 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
643
644         PR c/39564
645         * c-decl.c (grokdeclarator): Diagnose declarations of functions
646         with variably modified return type and no storage class
647         specifiers, except for the case of nested functions.  Distinguish
648         extern declarations of functions with variably modified return
649         types from those of objects with variably modified types.
650
651 2009-04-25  Jan Hubicka  <jh@suse.cz>
652
653         * tree.c (list_equal_p): New function.
654         * tree.h (list_equal_p): Declare.
655         * coretypes.h (edge_def, edge, const_edge, basic_block_def
656         basic_block_def, basic_block, const_basic_block): New.
657         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
658         (redirect_eh_edge): New function.
659         (make_eh_edge_update_phi): EH edges are not abnormal.
660         * except.c: Include tree-flow.h.
661         (list_match): New function.
662         (eh_region_replaceable_by_p): New function.
663         (replace_region): New function.
664         (hash_type_list): New function.
665         (hash_eh_region): New function.
666         (eh_regions_equal_p): New function.
667         (merge_peers): New function.
668         (remove_unreachable_regions): Verify EH tree when checking;
669         merge peers.
670         (copy_eh_region_1): New function.
671         (copy_eh_region): New function.
672         (push_reachable_handler): New function.
673         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
674         regions without label but with live RESX.
675         * except.h (redirect_eh_edge_to_label): New.
676         * tree-flow.h (redirect_eh_edge): New.
677         * coretypes.h (edge_def, edge, const_edge, basic_block_def
678         basic_block_def, basic_block, const_basic_block): Remove.
679         * Makefile.in (except.o): Add dependency on tree-flow.h
680         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
681         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
682         Remove.
683
684 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
685
686         PR bootstrap/39645
687         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
688         on the destination of memcpy.
689
690 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
691
692         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
693         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
694         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
695
696 2009-04-25  Jan Hubicka  <jh@suse.cz>
697
698         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
699         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
700         to be reached by different label than left.
701         (update_eh_edges): Update comment; remove edge_to_remove if possible
702         and return true if suceeded.
703         (cleanup_empty_eh): Accept sharing map; handle shared regions.
704         (cleanup_eh): Compute sharing map.
705         * except.c (remove_eh_handler_and_replace): Add argument if we should
706         update regions.
707         (remove_unreachable_regions): Update for label sharing.
708         (label_to_region_map): Likewise.
709         (get_next_region_sharing_label): New function.
710         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
711         prev_try pointers.
712         (remove_eh_handler): Update.
713         (remove_eh_region_and_replace_by_outer_of): New function.
714         * except.h (struct eh_region): Add next_region_sharing_label.
715         (remove_eh_region_and_replace_by_outer_of,
716         get_next_region_sharing_label): Declare.
717         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
718
719 2009-04-25  Jan Hubicka  <jh@suse.cz>
720
721         * tree-cfg.c (split_critical_edges): Split also edges where we can't
722         insert code even if they are not critical.
723
724 2009-04-25  Jan Hubicka  <jh@suse.cz>
725
726         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
727         (gimple_can_remove_branch_p): EH edges won't remove branch by
728         redirection.
729         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
730         updating of non-abnormal EH edges.
731         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
732         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
733         (split_critical_edges): Split also edges where emitting code on them
734         will lead to splitting later.
735
736 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
737             H.J. Lu  <hongjiu.lu@intel.com>
738
739         PR target/39590
740         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
741         the configured assembler supports fildq and fistpq mnemonics.
742         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
743         * configure: Regenerated.
744         * config.in: Ditto.
745
746         * config/i386/i386.c (print_operand): Handle 'Z'.
747         ['z']: Remove handling of special fild/fist suffixes.
748         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
749         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
750         suffix of fild insn.
751         (*floatsi<mode>2_vector_mixed): Ditto.
752         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
753         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
754         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
755         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
756         * config/i386/gas.h (GAS_MNEMONICS): Remove.
757
758 2009-04-25  Ben Elliston  <bje@au.ibm.com>
759  
760         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
761         the source of a set operation.
762
763 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
764
765         * target.h (struct gcc_target): Add case_values_threshold field.
766         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
767         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
768         * targhooks.c (default_case_values_threshold): New function.
769         * targhooks.h (default_case_values_threshold): Declare function.
770         * stmt.c (expand_case): Use case_values_threshold target hook.
771         * expr.h (case_values_threshold): Remove declartation.
772         * expr.c (case_values_threshold): Remove function.
773         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
774
775         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
776         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
777         (avr_case_values_threshold): Declare as static.
778         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
779
780         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
781         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
782         (mn10300_case_values_threshold): New function.
783
784 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
785
786         * ira.c (setup_cover_and_important_classes): Add enum cast.
787
788 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
789
790         * genpreds.c (write_enum_constraint_num): Output definition of
791         CONSTRAINT_NUM_DEFINED_P macro.
792         * ira.c (setup_cover_and_important_classes): Use
793         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
794         
795 2009-04-24  DJ Delorie  <dj@redhat.com>
796
797         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
798         __SH2A_SINGLE_ONLY__ also.
799
800 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
801
802         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
803         (movdf_internal): Ditto.
804         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
805         SFmode and DFmode constants.
806         (ia64_print_operand): Add 'G' format for printing
807         floating point constants.
808
809 2009-04-24  Richard Guenther  <rguenther@suse.de>
810
811         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
812         from unsigned additions.
813
814 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
815
816         * c-typeck.c (set_init_index): Allow array designators that are
817         not integer constant expressions with a pedwarn if pedantic.
818
819 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
820
821         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
822         zero if no overlap in nonzero bits between the operands.
823
824 2009-04-24  Ian Lance Taylor  <iant@google.com>
825
826         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
827         (record_dead_and_set_regs): Likewise.
828         * df.h (struct df_mw_hardreg): Change flags field to int.
829         (struct df_base_ref): Likewise.
830         (struct df): Change changeable_flags field to int.
831         * df-scan.c (df_defs_record): Change clobber_flags to int.
832         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
833         constants rather than #define macros.
834         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
835         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
836         (enum dwarf_calling_convention): Likewise.
837         (enum dwarf_line_number_x_ops): Likewise.
838         (enum dwarf_call_frame_info): Likewise.
839         (enum dwarf_source_language): Likewise.
840         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
841         (add_calling_convention_attribute): Likewise.
842         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
843         (combine_comparisons): Change compcode to int.  Add cast to enum type.
844         * genrecog.c (maybe_both_true_2): Change c to int.
845         (write_switch): Likewise.  Add cast to enum type.
846         * gimplify.c (gimplify_omp_for): Handle return values from
847         gimplify_expr using MIN rather than bitwise or.
848         (gimplify_expr): Add cast to enum type.
849         * ipa-prop.c (update_jump_functions_after_inlining): Change
850         IPA_BOTTOM to IPA_JF_UNKNOWN.
851         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
852         Add casts to enum type.
853         (setup_cover_and_important_classes): Change cl to int.  Add casts
854         to enum type.
855         (setup_class_translate): Change cl and mode to int.
856         (ira_init_once): Change mode to int.
857         (free_register_move_costs): Likewise.
858         (setup_prohibited_mode_move_regs): Add casts to enum type.
859         * langhooks.c (add_builtin_function_common): Rework assertion that
860         value fits bitfield.
861         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
862         * omega.c (omega_do_elimination): Avoid math on enum types.
863         * optabs.c (expand_vec_shift_expr): Remove casts to int.
864         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
865         int local to handle integral_argment value.
866         * regmove.c (try_auto_increment): Change PUT_MODE to
867         PUT_REG_NOTE_KIND.
868         * reload.c (push_secondary_reload): Add casts to enum type.
869         (secondary_reload_class, find_valid_class): Likewise.
870         * reload1.c (emit_input_reload_insns): Likewise.
871         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
872         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
873         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
874         constant.
875         * tree.c (build_common_builtin_nodes): Add casts to enum type.
876         * tree-complex.c (complex_lattice_t): Typedef to int rather than
877         enum type.
878         (expand_complex_libcall): Add casts to enum type.
879         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
880         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
881         with ERROR_MARK, not NUM_TREE_CODES.
882         (vect_create_epilog_for_reduction): Likewise.
883         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
884         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
885         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
886         enum machine_mode.
887         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
888         vect_unused_in_loop.  Change 0 to loop_vect.
889         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
890         * var-tracking.c (get_init_value): Change return type to enum
891         var_init_status.
892         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
893         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
894         arm_fp_model.
895         (arm_override_options): Add casts to enum type.
896         (arm_emit_tls_decoration): Likewise.
897         * config/i386/i386.c (ix86_function_specific_restore): Add casts
898         to enum type.
899         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
900         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
901         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
902         enum type.
903         * config/s390/s390.c (code_for_builtin_64): Change to array of
904         enum insn_code.
905         (code_for_builtin_31): Likewise.
906         (s390_expand_builtin): Change code_for_builtin to enum insn_code
907         const *.
908         * config/sparc/sparc.c (sparc_override_options): Change value
909         field in struct code_model to enum cmodel.  In initializer change
910         0 to NULL and add cast to enum type.
911
912         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
913         Change all callers.  Issue a -Wc++-compat warning using
914         lhs_origtype if necessary.
915         (convert_for_assignment): Issue -Wc++-compat warnings about
916         invalid conversions to enum type on assignment.
917         * c-common.h (build_modify_expr): Update declaration.
918
919 2009-04-24  Nick Clifton  <nickc@redhat.com>
920
921         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
922         (function_arg_advance): Likewise.
923         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
924         5th alternative.
925
926 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
927
928         * config/s390/constraints.md ('I', 'J'): Fix condition.
929
930 2009-04-24  Diego Novillo  <dnovillo@google.com>
931
932         * gengtype-parse.c (parse_error): Add newline after message.
933
934 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
935
936         * config/i386/sse.md (avxmodesuffixs): Removed.
937         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
938         (*avx_pinsr<ssevecsize>): This.
939
940 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
941
942         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
943         follow chains of regs with a single definition, and allow expressions
944         that are function_invariant_p.
945         (simple_rhs_p): Allow expressions that are function_invariant_p.
946
947 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
948
949         PR middle-end/39867
950         * fold-const.c (fold_cond_expr_with_comparison): When folding
951         > and >= to MAX, make sure the MAX uses the same type as the
952         comparison's operands.
953
954 2009-04-24  Nick Clifton  <nickc@redhat.com>
955
956         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
957         addressing for DImode accesses.
958         (frv_print_operand_address): Handle PLUS case.
959         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
960
961 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
962
963         PR rtl-optimization/39794
964         * alias.c (canon_true_dependence): Add x_addr argument.
965         * rtl.h (canon_true_dependence): Adjust prototype.
966         * cse.c (check_dependence): Adjust canon_true_dependence callers.
967         * cselib.c (cselib_invalidate_mem): Likewise.
968         * gcse.c (compute_transp): Likewise.
969         * dse.c (scan_reads_nospill): Likewise.
970         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
971         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
972         canon_base_addr of the group, plus optional offset.
973         (struct group_info): Rename canon_base_mem to
974         canon_base_addr.
975         (get_group_info): Set canon_base_addr to canon_rtx of base, not
976         canon_rtx of base_mem.
977
978 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
979
980         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
981         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
982
983 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
984
985         * config/spu/spu-builtins.h: Delete file.
986
987         * config/spu/spu.h (enum spu_builtin_type): Move here from
988         spu-builtins.h.
989         (struct spu_builtin_description): Likewise.  Add GTY marker.
990         Do not use enum spu_function_code or enum insn_code.
991         (spu_builtins): Add extern declaration.
992
993         * config/spu/spu.c: Do not include "spu-builtins.h".
994         (enum spu_function_code, enum spu_builtin_type_index,
995         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
996         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
997         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
998         unsigned_V2DI_type_node): Move here from spu-builtins.h.
999         (spu_builtin_types): Make static.  Add GTY marker.
1000         (spu_builtins): Add extern declaration with GTY marker.
1001         Include "gt-spu.h".
1002
1003         * config/spu/spu-c.c: Do not include "spu-builtins.h".
1004         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
1005         Check programmatically whether all parameters are scalar.
1006
1007         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
1008
1009 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1010
1011         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
1012         assignment from the constructor either if the target is volatile.
1013
1014 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
1015
1016         * config/arm/arm.md (insv): Do not share operands[0].
1017
1018 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
1019
1020         * config/vxlib-tls.c (active_tls_threads): Delete.
1021         (delete_hook_installed): New.
1022         (tls_delete_hook): Don't delete the delete hook.
1023         (tls_destructor): Delete it here.
1024         (__gthread_set_specific): Adjust installing the delete hook.
1025         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
1026         __gthread_leave_tsd_dtor_context.
1027
1028 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
1029
1030         * c-format.c (gcc_tdiag_char_table): Add support for %E.
1031
1032 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
1033
1034         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
1035         enum type.
1036         (alpha_rtx_costs): Ditto.
1037         (emit_unlikely_jump): Use add_reg_note.
1038         (emit_frame_store_1): Ditto.
1039         (alpha_expand_prologue): Ditto.
1040         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
1041         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
1042
1043 2009-04-23  Nick Clifton  <nickc@redhat.com>
1044
1045         * config/v850/v850.md (epilogue): Remove suppressed code.
1046         (return): Rename to return_simple and remove test of frame size.
1047         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
1048         to gen_return_simple.
1049
1050 2009-04-22  Jing Yu  <jingyu@google.com>
1051
1052         PR testsuite/39781
1053         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
1054
1055 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1056
1057         PR C/31499
1058         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
1059         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
1060         value is a VECTOR_CST, the element type is the element type of the
1061         vector.
1062
1063 2009-04-22  DJ Delorie  <dj@redhat.com>
1064
1065         * config/m32c/m32c.h: Update GTY annotations to new syntax.
1066
1067 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
1068
1069         * alias.c (find_base_term): Move around LO_SUM case, so that
1070         CONST falls through into PLUS/MINUS handling.
1071
1072         PR c/39855
1073         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
1074         into 0, use omit_one_operand.
1075
1076 2009-04-23  Ben Elliston  <bje@au.ibm.com>
1077
1078         * config/rs6000/linux-unwind.h (get_regs): Remove type
1079         puns. Change the type of `pc' to an array of unsigned ints and
1080         update all users.  Constify frame24.
1081
1082 2009-04-22  DJ Delorie  <dj@redhat.com>
1083
1084         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
1085         declarations before code.
1086         (current_function_special_page_vector): Likewise.
1087         (m32c_expand_insv): Silence a warning.
1088
1089 2009-04-21  Taras Glek <tglek@mozilla.com>
1090
1091         * alias.c: Update GTY annotations to new syntax.
1092         * basic-block.h: Likewise.
1093         * bitmap.h: Likewise.
1094         * c-common.h: Likewise.
1095         * c-decl.c: Likewise.
1096         * c-parser.c: Likewise.
1097         * c-pragma.c: Likewise.
1098         * c-tree.h: Likewise.
1099         * cfgloop.h: Likewise.
1100         * cgraph.h: Likewise.
1101         * config/alpha/alpha.c: Likewise.
1102         * config/arm/arm.h: Likewise.
1103         * config/avr/avr.h: Likewise.
1104         * config/bfin/bfin.c: Likewise.
1105         * config/cris/cris.c: Likewise.
1106         * config/darwin.c: Likewise.
1107         * config/frv/frv.c: Likewise.
1108         * config/i386/i386.c: Likewise.
1109         * config/i386/i386.h: Likewise.
1110         * config/i386/winnt.c: Likewise.
1111         * config/ia64/ia64.h: Likewise.
1112         * config/iq2000/iq2000.c: Likewise.
1113         * config/mips/mips.c: Likewise.
1114         * config/mmix/mmix.h: Likewise.
1115         * config/pa/pa.c: Likewise.
1116         * config/pa/pa.h: Likewise.
1117         * config/rs6000/rs6000.c: Likewise.
1118         * config/s390/s390.c: Likewise.
1119         * config/sparc/sparc.c: Likewise.
1120         * config/xtensa/xtensa.c: Likewise.
1121         * cselib.h: Likewise.
1122         * dbxout.c: Likewise.
1123         * dwarf2out.c: Likewise.
1124         * except.c: Likewise.
1125         * except.h: Likewise.
1126         * fixed-value.h: Likewise.
1127         * function.c: Likewise.
1128         * function.h: Likewise.
1129         * gimple.h: Likewise.
1130         * integrate.c: Likewise.
1131         * optabs.c: Likewise.
1132         * output.h: Likewise.
1133         * real.h: Likewise.
1134         * rtl.h: Likewise.
1135         * stringpool.c: Likewise.
1136         * tree-data-ref.c: Likewise.
1137         * tree-flow.h: Likewise.
1138         * tree-scalar-evolution.c: Likewise.
1139         * tree-ssa-address.c: Likewise.
1140         * tree-ssa-alias.h: Likewise.
1141         * tree-ssa-operands.h: Likewise.
1142         * tree.c: Likewise.
1143         * tree.h: Likewise.
1144         * varasm.c: Likewise.
1145         * varray.h: Likewise.
1146         * vec.h: Likewise.
1147         * coretypes.h: Do not define GTY macro if it is already defined.
1148         * doc/gty.texi: Update GTY documentation to new syntax.
1149         * gengtype-lex.l: Enforce attribute-like syntax for GTY
1150         annotations on structs.
1151         * gengtype-parse.c: Likewise.
1152
1153 2009-04-22  Mark Heffernan  <meheff@google.com>
1154
1155         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
1156
1157 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
1158
1159         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
1160         where appropriate.
1161
1162 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
1163
1164         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
1165         the same as a PLUS without a shift.  Increase the cost of a
1166         CONST_INT in MULT.
1167
1168 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1169
1170         * Makefile.in: Update dependencies.
1171         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
1172         * errors.h: Remove bogus comment about compatibility.
1173         (warning): Update declaration.
1174         * genautomata.c: Update all calls to warning.
1175         * gimple.c: Do not include errors.h. Include toplev.h.
1176         * tree-ssa-structalias.c: Do not include errors.h.
1177         * omega.c: Likewise.
1178         * tree-ssa-reassoc.c: Likewise.
1179         * config/spu/spu-c.c: Likewise.
1180         * config/spu/t-spu-elf: Update dependencies.
1181
1182 2009-04-22  Richard Guenther  <rguenther@suse.de>
1183
1184         PR tree-optimization/39824
1185         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
1186         make sure the types are compatible.
1187
1188 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1189
1190         PR c++/14875
1191         * c-common.c (c_parse_error): Take a token_flags parameter.
1192         Use token_type for the token type instead.
1193         Pass token_flags to cpp_type2name.
1194         * c-common.h (c_parse_error): Update declaration.
1195         * c-parser.c (c_parser_error): Pass 0 as token flags.
1196
1197 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
1198
1199         PR rtl-optimization/39580
1200         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
1201         
1202 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1203
1204         * function.c (expand_function_end): Do not emit a jump to the "naked"
1205         return label for fall-through returns.
1206         * except.c (sjlj_emit_function_exit): Always place the call to the
1207         unregister function at the location installed by expand_function_end.
1208
1209 2009-04-22  Richard Guenther  <rguenther@suse.de>
1210
1211         PR tree-optimization/39845
1212         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
1213         (gen_inbound_check): Likewise.
1214
1215 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
1216
1217         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
1218         padding for PPC.
1219         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
1220         * config/vxlib.c (__gthread_once): Add race guard for PPC.
1221
1222 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
1223
1224         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
1225         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
1226         shift counts to avoid out-of-bounds array accesses.
1227
1228 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
1229
1230         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
1231         (Pmode): Move above.
1232
1233 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
1234
1235         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
1236         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
1237         GET_CODE macro.  Use IN_RANGE macro where appropriate.
1238         * config/alpha/alpha.h: Ditto.
1239         * config/alpha/alpha.md: Ditto.
1240         * config/alpha/constraints.md: Ditto.
1241         * config/alpha/predicates.md: Ditto.
1242         
1243 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
1244
1245         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
1246         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1247         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1248         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1249         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1250         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1251         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1252         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1253         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1254         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1255         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1256         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1257         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1258         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1259         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1260         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1261         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1262         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1263         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1264         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1265         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1266         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1267         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1268         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1269         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1270         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1271         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1272
1273 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1274
1275         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
1276         references from comments.
1277         * cfgbuild.c: (count_basic_blocks): Delete.
1278         (find_basic_blocks_1): Delete.
1279         (find_basic_blocks): Delete.
1280         * except.c (finish_eh_generation): Make static.  Move comment from
1281         except.h here.  Remove find_basic_blocks references from comments.
1282         * except.h (finish_eh_generation): Delete.
1283         * basic-block.h (find_basic_blocks): Delete.
1284         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
1285
1286 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
1287
1288         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
1289         (sdbout_parms):  Likewise.
1290
1291 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1292
1293         * config/sh/sh.c (prepare_cbranch_operands): Use
1294         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
1295         (expand_cbranchdi4): Likewise.
1296         (from_compare): Add cast to enum type.
1297         (expand_cbranchsi4): Use add_reg_note.
1298         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
1299         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
1300         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
1301         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
1302         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
1303         instead of CODE_FOR_nothing.
1304         (cbranchdi4): Likewise.  Fix the order of arguments for
1305         gen_rtx_fmt_ee.
1306         (push_fpscr): Use add_reg_note.
1307         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
1308         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
1309         
1310 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
1311
1312         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
1313         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
1314         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
1315         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
1316         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
1317         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
1318         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
1319         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
1320         config/alpha/x-vms, config/arc/t-arc,
1321         config/arm/README-interworking, config/arm/arm-c.c,
1322         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
1323         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
1324         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
1325         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
1326         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
1327         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
1328         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
1329         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
1330         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
1331         config/cris/t-elfmulti, config/crx/t-crx,
1332         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
1333         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
1334         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
1335         config/h8300/t-h8300, config/i386/athlon.md,
1336         config/i386/darwin-libgcc.10.4.ver,
1337         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
1338         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
1339         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
1340         config/i386/t-linux64, config/i386/t-nwld,
1341         config/i386/t-rtems-i386, config/i386/t-sol2-10,
1342         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
1343         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
1344         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
1345         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
1346         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
1347         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
1348         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
1349         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
1350         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
1351         config/m68k/t-uclinux, config/mcore/t-mcore,
1352         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
1353         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
1354         config/mips/crtn.asm, config/mips/irix-crti.asm,
1355         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
1356         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
1357         config/mips/mips-fixed.md, config/mips/sb1.md,
1358         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
1359         config/mips/t-iris6, config/mips/t-isa3264,
1360         config/mips/t-libgcc-mips16, config/mips/t-linux64,
1361         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
1362         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
1363         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
1364         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
1365         config/mn10300/t-linux, config/mn10300/t-mn10300,
1366         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
1367         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
1368         config/picochip/libgccExtras/clzsi2.asm,
1369         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
1370         config/rs6000/darwin-libgcc.10.4.ver,
1371         config/rs6000/darwin-libgcc.10.5.ver,
1372         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
1373         config/rs6000/t-aix43, config/rs6000/t-aix52,
1374         config/rs6000/t-darwin, config/rs6000/t-fprules,
1375         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
1376         config/rs6000/t-lynx, config/rs6000/t-netbsd,
1377         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
1378         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
1379         config/rs6000/t-rtems, config/rs6000/t-spe,
1380         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
1381         config/score/t-score-elf, config/sh/divcost-analysis,
1382         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
1383         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
1384         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
1385         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
1386         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
1387         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
1388         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
1389         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
1390         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
1391         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
1392         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
1393         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
1394         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
1395         limitx.h, version.c, xcoff.h: Add copyright and license notices.
1396         * config/h8300/genmova.sh: Include copyright and license notices
1397         in generated output.
1398         * config/h8300/mova.md: Regenerate.
1399         * doc/install.texi2html: Include word "Copyright" in copyright
1400         notice and use name "Free Software Foundation, Inc.".
1401         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
1402         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
1403         ChangeLog-2007, ChangeLog-2008: Correct dates.
1404
1405 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
1406
1407         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
1408         NE_EXPR operations as well.
1409         * c-parser.c (c_parser_condition): Do not set location information on
1410         the condition.
1411         (c_parser_conditional_expression): Likewise.
1412         (c_parser_binary_expression): Set location information on operators.
1413         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
1414         TRUTH_NOT_EXPR has been folded.
1415         * fold-const.c (fold_truth_not_expr): Copy location information from
1416         the incoming expression to the outgoing one.
1417         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
1418         recursive calls on the LHS of the operator but pass that of the
1419         operator to recursive calls on the RHS of the operator.  Set it
1420         on the COND_EXPR.
1421         (shortcut_cond_expr): Set the locus of the operator on the second
1422         COND_EXPR and that of the expression on the first in degenerate cases.
1423         Pass the locus of the expression to calls to shortcut_cond_r.
1424         Set the locus of the 'then' block on the associated jump, if any.
1425         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
1426         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
1427         expression to call to gimplify_boolean_expr.
1428
1429 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
1430
1431         * config.gcc: Add additional configuration for
1432         i686-w64-mingw* and x86_64-w64-mingw* triplet.
1433         * config/i386/mingw-w64.h: New mingw-w64 specific header.
1434         (CPP_SPEC): Redefine for allowing -municode option.
1435         (STARTFILE_SPEC): Likewise.
1436         * config/i386/t-mingw-w64: New.
1437         * config/i386/mingw-w64.opt: New.
1438         (municode): Add new target option.
1439         * doc/invoke.texi (municode): Add documentation for new option.
1440
1441 2009-04-21  Ian Lance Taylor  <iant@google.com>
1442
1443         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
1444         Correct test for number of arguments.
1445         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
1446
1447 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
1448
1449         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
1450         argument of emit_library_call.
1451
1452 2009-04-21  Richard Guenther  <rguenther@suse.de>
1453
1454         PR middle-end/39829
1455         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
1456         inside VIEW_CONVERT_EXPRs.
1457
1458 2009-04-21  Martin Jambor  <mjambor@suse.cz>
1459
1460         * tree-switch-conversion.c (build_constructors): Split a long line.
1461         (constructor_contains_same_values_p): New function.
1462         (build_one_array): Create assigns of constants if possible, do not
1463         call mark_sym_for_renaming, call update_stmt.
1464         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
1465         make_rename_temp.  Do not call mark_symbols_for_renaming, call
1466         update_stmt.
1467         (gen_def_assigns): Do not call mark_symbols_for_renaming or
1468         find_new_referenced_vars, call update_stmt.
1469         (gen_inbound_check): Use create_tmp_var and create ssa names manually
1470         instead of calling make_rename_temp.  Do not call
1471         find_new_referenced_vars or mark_symbols_for_renaming, call
1472         update_stmt.
1473
1474 2009-04-21  Richard Guenther  <rguenther@suse.de>
1475
1476         PR tree-optimization/39827
1477         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
1478         (tree_ssa_phiprop): Pass the correct array size.
1479
1480 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
1481
1482         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
1483
1484 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1485
1486         PR 16202
1487         * c-typeck.c (lvalue_p): Move declaration ...
1488         * c-common.h (lvalue_p): ... to here.
1489         * c-common.c (candidate_equal_p): New.
1490         (add_tlist): Use it.
1491         (merge_tlist): Use it.
1492         (warn_for_collisions_1): Likewise.
1493         (warning_candidate_p): Accept more candidates.
1494         (verify_tree): A warning candidate can be an expression. Use
1495         candidate_equal_p.
1496
1497 2009-04-21  Ben Elliston  <bje@au.ibm.com>
1498
1499         PR target/5267
1500         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
1501         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
1502         options.  Remove -mcall-solaris documentation.
1503
1504 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1505
1506         PR c++/13358
1507         * doc/invoke.texi (-Wlong-long): Update description.
1508         * c-lex (interpret_integer): Only warn if there was no previous
1509         overflow and -Wlong-long is enabled.
1510         * c-decl.c (declspecs_add_type): Drop redundant flags.
1511         * c.opt (Wlong-long): Init to -1.
1512         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
1513         and front-end warn_long_long. Wlong-long only depends on other
1514         flags if it is uninitialized.
1515         * c-parser.c (disable_extension_diagnostics): warn_long_long is
1516         the same for CPP and FE.
1517         (restore_extension_diagnostics): Likewise.
1518
1519 2009-04-20  Ian Lance Taylor  <iant@google.com>
1520
1521         Fix enum conversions which are invalid in C++:
1522         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
1523         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
1524         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
1525         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
1526         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
1527         (dbxout_parms): Likewise.
1528         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
1529         (df_clear_flags): Likewise.
1530         * df-problems.c (df_rd_bb_local_compute_process_def): Change
1531         top_flag parameter to int.
1532         (df_chain_create_bb_process_use): Likewise.
1533         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
1534         Remove cast.
1535         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
1536         (df_ref_create_structure, df_def_record_1): Likewise.
1537         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
1538         (df_notes_rescan): Change 0 to VOIDmode in function call.
1539         (df_get_call_refs, df_insn_refs_collect): Likewise.
1540         (df_bb_regs_collect): Likewise.
1541         (df_entry_block_defs_collect): Likewise.
1542         (df_exit_block_uses_collect): Likewise.
1543         * df.h: Update declarations.
1544         * double-int.c (double_int_divmod): Add cast to enum type.
1545         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
1546         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
1547         (based_loc_descr): Likewise.
1548         (loc_descriptor_from_tree_1): Change first_op and second_op to
1549         enum dwarf_location_atom.  Add cast to enum type.
1550         * expmed.c (init_expmed): Change 0 to SET in function call.
1551         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
1552         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
1553         (do_store_flag): Likewise.
1554         * fixed-value.h (struct fixed_value): Change mode to enum
1555         machine_mode.
1556         * function.c (assign_parms): Change 0 to VOIDmode in function call.
1557         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
1558         function call.
1559         (insert_insn_decl, insert_decl, insert_state): Likewise.
1560         (automata_list_finish): Likewise.
1561         * genrecog.c (process_define_predicate): Add cast to enum type.
1562         * gensupport.c (init_predicate_table): Add cast to enum type.
1563         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
1564         function call.
1565         (gimple_build_call_1, gimple_build_label): Likewise.
1566         (gimple_build_goto, gimple_build_asm_1): Likewise.
1567         (gimple_build_switch_1, gimple_build_cdt): Likewise.
1568         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
1569         (enum fallback): Rename from enum fallback_t.
1570         (fallback_t): Typedef as int.
1571         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
1572         GSI_SAME_STMT in function call.
1573         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
1574         enum type.
1575         (setup_reg_class_relations): Likewise.
1576         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
1577         (setup_prohibited_class_mode_regs): Add cast to enum type.
1578         (setup_prohibited_mode_move_regs): Likewise.
1579         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
1580         (record_address_regs): Change i to enum reg_class.
1581         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
1582         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
1583         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
1584         (GET_MODE_2XWIDER_MODE): Likewise.
1585         (GET_CLASS_NARROWEST_MODE): Likewise.
1586         * omp-low.c (expand_omp_for): Add cast to enum type.
1587         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
1588         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
1589         * postreload.c (reload_cse_simplify_operands): Change rclass local
1590         to enum reg_class.
1591         * predict.c (combine_predictions_for_insn): Change best_predictor
1592         and predictor to enum br_predictor.
1593         (combine_predictions_for_bb): Likewise.
1594         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
1595         use SET_PREDICT_EXPR_OUTCOME.
1596         * real.c (real_arithmetic): Change icode to code in function call.
1597         * reginfo.c (init_move_cost): Add casts to enum type.
1598         (init_reg_sets_1, init_fake_stack_mems): Likewise.
1599         * regmove.c (regclass_compatible_p): Change class0 and class1 to
1600         enum reg_class.
1601         * reload.c (find_valid_class): Add casts to enum type.
1602         (push_reload): Change 0 to NO_REGS in function call.
1603         (find_reloads): Change this_alternative to array of enum
1604         reg_class.  Remove some now-unnecessary casts.
1605         (make_memloc): Change 0 to VOIDmode in function call.
1606         * reload1.c (reload): Change 0 to VOIDmode in function call.
1607         (eliminate_regs_1, elimination_effects): Likewise.
1608         (eliminate_regs_in_insn): Likewise.
1609         (emit_input_reload_insns): Add cast to enum type.
1610         (delete_output_reload): Change 0 to VOIDmode in function call.
1611         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
1612         to enum type in function call.
1613         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
1614         (SET_PREDICT_EXPR_OUTCOME): Define.
1615         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
1616         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
1617         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
1618         (dump_function): Likewise.
1619         * tree-dump.h: Update declarations.
1620         * tree-pass.h: Update declarations.
1621         * varasm.c (assemble_integer): Change mclass to enum mode_class.
1622         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
1623         enum type.
1624         (arm_rtx_costs_1): Correct parenthesization.
1625         (arm_rtx_costs): Add casts to enum type.
1626         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
1627         (vfp_emit_fstmd): Use add_rg_note.
1628         (emit_multi_reg_push, emit_sfm): Likewise.
1629         (thumb_set_frame_pointer): Likewise.
1630         (arm_expand_prologue): Likewise.
1631         (arm_regno_class): Change return type to enum reg_class.
1632         (thumb1_expand_prologue): Use add_reg_note.
1633         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
1634         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
1635         in function call.
1636         * config/arm/gentune.sh: Add cast to enum type.
1637         * config/arm/arm-tune.md: Rebuild.
1638         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
1639         (ix86_split_fp_branch, predict_jump): Likewise.
1640         (ix86_expand_multi_arg_builtin): Change sub_code from enum
1641         insn_code to enum rtx_code.
1642         (ix86_builtin_vectorized_function): Add cast to enum type.
1643         * config/i386/i386.md (truncdfsf2): Change slot to enum
1644         ix86_stack_slot.
1645         (truncxf<mode>2, isinf<mode>2): Likewise.
1646         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
1647         enum type.
1648         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
1649         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
1650         (insert_bundle_state): Change 1 to INSERT in function call.
1651         (ia64_add_bundle_selector_before): Likewise.
1652         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
1653         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
1654         (restore_stack_nonlocal): Likewise.
1655         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
1656         function call.
1657         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
1658         function call.
1659         (mips_rtx_costs): Likewise.
1660         (mips_override_options): Add casts to enum type.
1661         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
1662         in function call.
1663         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
1664         (store_reg, set_reg_plus_d): Likewise.
1665         (hppa_expand_prologue, hppa_profile_hook): Likewise.
1666         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
1667         cast to enum type.
1668         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
1669         function call.
1670         (emit_unlikely_jump): Use add_reg_note.
1671         (rs6000_emit_allocate_stack): Likewise.
1672         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
1673         (output_toc): Change 1 to INSERT in function call.
1674         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
1675         (rs6000_initialize_trampoline): Likewise.
1676         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
1677         function call.
1678         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
1679         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
1680         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
1681         (save_gprs): Use add_reg_note.
1682         (s390_emit_prologue): Likewise.
1683         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
1684         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
1685         (sparc_fold_builtin): Add cast to enum type.
1686         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
1687         enum insn_code.
1688         (spu_expand_prologue): Use add_reg_note.
1689         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
1690
1691 2009-04-20  Ian Lance Taylor  <iant@google.com>
1692
1693         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
1694         (c_parser_postfix_expression_after_primary): Get VEC for list of
1695         arguments.  Get original types of arguments.  Call
1696         build_function_call_vec.
1697         (cached_expr_list_1, cached_expr_list_2): New static variables.
1698         (c_parser_expr_list): Change return type to VEC *.  Add
1699         p_orig_types parameter.  Change all callers.
1700         (c_parser_release_expr): New static function.
1701         (c_parser_vec_to_tree_list): New static function.
1702         * c-typeck.c (build_function_call): Rewrite to build a VEC and
1703         call build_function_call_vec.
1704         (build_function_call_vec): New function, based on old
1705         build_function_call.
1706         (convert_arguments): Remove nargs and argarray parameters.  Change
1707         values to a VEC.  Add origtypes parameter.
1708         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
1709         (convert_for_assignment): Add origtype parameter.  Change all
1710         callers.  If warn_cxx_compat, check for conversion to an enum
1711         type when calling a function.
1712         (store_init_value): Add origtype parameter.  Change all callers.
1713         (digest_init): Likewise.
1714         (struct init_node): Add origtype field.
1715         (add_pending_init): Add origtype parameter.  Change all callers.
1716         (output_init_element): Likewise.
1717         (output_pending_init_elements): Pass origtype from init_node to
1718         output_init_element.
1719         (process_init_element): Pass origtype from c_expr to
1720         output_init_element.
1721         (c_finish_return): Add origtype parameter.  Change all callers.
1722         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
1723         caller.
1724         (sync_resolve_params): Likewise.
1725         (sync_resolve_return): Change params to first_param.  Change caller.
1726         (resolve_overloaded_builtins): Change params to VEC *.  Change
1727         callers.  Save first parameter around call to build_function_call_vec.
1728         * c-decl.c (finish_decl): Add origtype parameter.  Change all
1729         callers.  Call build_function_call_vec rather than
1730         build_function_call for cleanup.
1731         * c-tree.h: Update declarations.
1732         * c-common.h: Update declarations.
1733         * stub-objc.c (objc_rewrite_function_call): Change parameter from
1734         params to first_param.
1735         * target.h (struct gcc_target): Change resolve_overloaded_builtin
1736         params parameter from tree to void *.
1737         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
1738         Change arglist parameter to have type void *, and to be a pointer
1739         to a VEC.
1740         * config/rs6000/rs6000-protos.h
1741         (altivec_resolve_overloaded_builtin): Update declaration.
1742         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
1743         fnargs parameter to have type void *, and to be a pointer to a
1744         VEC.  Call build_function_call_vec instead of
1745         build_function_call.
1746         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
1747
1748 2009-04-20  Joey Ye  <joey.ye@intel.com>
1749             Xuepeng Guo <xuepeng.guo@intel.com>
1750             H.J. Lu  <hongjiu.lu@intel.com>
1751
1752         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
1753
1754         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
1755         (IX86_LEA_PRIORITY): Likewise.
1756         (distance_non_agu_define): New function.
1757         (distance_agu_use): Likewise.
1758         (ix86_lea_for_add_ok): Likewise.
1759         (ix86_dep_by_shift_count): Likewise.
1760
1761         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
1762         should split for LEA.
1763
1764         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
1765         function.
1766         (ix86_dep_by_shift_count): Likewise.
1767
1768 2009-04-20  Richard Guenther  <rguenther@suse.de>
1769
1770         * expr.c (handled_component_p): Move ...
1771         * tree.h (handled_component_p): ... here.
1772         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
1773         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
1774         and REALPART_EXPR to be in one group.
1775
1776 2009-04-20  Richard Guenther  <rguenther@suse.de>
1777
1778         * basic-block.h (get_all_dominated_blocks): Declare.
1779         * dominance.c (get_all_dominated_blocks): New function.
1780         * tree-cfg.c (get_all_dominated_blocks): Remove.
1781         (remove_edge_and_dominated_blocks): Adjust.
1782         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
1783         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
1784         instead of recursing.
1785
1786 2009-04-20  Doug Kwan  <dougkwan@google.com>
1787
1788         * cgraph.h (cgraph_node_ptr): New type for vector functions.
1789         (struct cgraph_node_set_def): New type.
1790         (cgraph_node_set) New type. Also declare vector functions.
1791         (struct cgraph_node_set_element_def): New type.
1792         (cgraph_node_set_element): Ditto.
1793         (cgraph_node_set_iterator): New iterator type.
1794         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
1795         cgraph_node_set_remove, dump_cgraph_node_set,
1796         debug_cgraph_node_set): New prototypes.
1797         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
1798         cgraph_node_set_size): New inlines.
1799         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
1800         including cgraph.h.
1801         (struct ipa_opt_pass): Add struct cgraph_node_set_def
1802         argument to function 'write_summary'.
1803         * ipa.c: Include ggc.h.
1804         (hash_cgraph_node_set_element,
1805         eq_cgraph_node_set_element, cgraph_node_set_new,
1806         cgraph_node_set_add, cgraph_node_set_remove,
1807         cgraph_node_set_find, dump_cgraph_node_set,
1808         debug_cgraph_node_set): New functions.
1809         * Makefile.in (ipa.o): Add dependency on GGC_H.
1810
1811 2009-04-20  Ira Rosen  <irar@il.ibm.com>
1812
1813         PR tree-optimization/39675
1814         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
1815         check of the return code of vect_schedule_slp. Check that
1816         stmt_vec_info still exists for the statement, before checking its
1817         vectorization type.
1818
1819 2009-04-20  Michael Matz  <matz@suse.de>
1820
1821         * Makefile.in (generated_files): Take out $(simple_generated_c).
1822
1823 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
1824
1825         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
1826         (UINTPTR_TYPE):  Likewise.
1827
1828 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
1829
1830         PR c/37481
1831         * c-typeck.c (digest_init): Check for initializing an array with a
1832         string literal.
1833
1834 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
1835
1836         PR c/19771
1837         * c-semantics.c (pop_stmt_list): Propagate
1838         STATEMENT_LIST_HAS_LABEL to parent statement list.
1839
1840 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
1841
1842         * config/mips/mips.h (mips_tune_attr): New macro.
1843         * config/mips/mips.md (cpu): Use it.
1844
1845 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
1846
1847         PR c/38243
1848         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
1849         declaring a tag.
1850
1851 2009-04-19  Diego Novillo  <dnovillo@google.com>
1852
1853         * toplev.c (compile_file): Move call to coverage_finish ...
1854         * cgraphunit.c (ipa_passes): ... here.
1855         Call cgraph_process_new_functions.
1856         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
1857         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
1858
1859 2009-04-19  Jan Hubicka  <jh@suse.cz>
1860
1861         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
1862         cfun.
1863         (dump_cgraph_node): Dump can throw external flag.
1864         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
1865
1866 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1867
1868         PR c/32061
1869         PR c++/36954
1870         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
1871         * common.opt (Wlogical-op): Move from here...
1872         * c.opt (Wlogical-op): ... to here.
1873         * c-typeck.c (parser_build_binary_op): Update call to
1874         warn_logical_operator.
1875         * c-opts.c (c_common_post_options): Enable warn_logical_op with
1876         extra_warnings.
1877         * c-common.c (warn_logical_op): Update.
1878         * c-common.h (warn_logical_op): Update declaration.
1879
1880 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1881
1882         * tree.c (protected_set_expr_location): Fix formatting.
1883
1884 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
1885
1886         PR c/27676
1887         * c-typeck.c (readonly_warning): new.
1888         (build_unary_op, build_modify_expr): Use readonly_warning for
1889         storing into something readonly but not const-qualified.
1890
1891 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
1892
1893         PR c/22367
1894         * c-typeck.c (build_unary_op): Check for taking address of
1895         expression of type void.
1896
1897 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
1898
1899         PR c/35210
1900         * c-typeck.c (build_function_call): Check for calling a function
1901         with qualified void return types.  Call require_complete_type when
1902         generating a trap.
1903
1904 2009-04-18  Jan Hubicka  <jh@suse.cz>
1905
1906         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
1907         Set nothrow flag.
1908         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
1909         can_throw_external flag.
1910         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
1911         * ipa-pure-const.c (ignore_edge): New function.
1912         (propagate): Compute order for NOTHROW computation; set NOTHROWs
1913         only over can_throw_external edges.
1914         (local_pure_const): Add nothrow flag.
1915         * ipa-utils.c (searchc): Add ignore_edge callback.
1916         (ipa_utils_reduced_inorder): Add ignore_edge callback.
1917         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
1918         (set_nothrow_function_flags): Update cgraph.
1919         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
1920
1921 2009-04-18  Richard Guenther  <rguenther@suse.de>
1922
1923         PR middle-end/39804
1924         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
1925         (fold_stmt): ... this and ...
1926         (fold_stmt_inplace): ... this.
1927         (fold_stmt_1): Fold references in calls and asms.
1928         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
1929
1930 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
1931
1932         * tree-vrp.c (ssa_name_nonzero_p): Remove.
1933         * tree.h: Remove the prototype for ssa_name_nonzero_p.
1934
1935 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
1936
1937         * tree.c (function_args_count): Remove.
1938         * tree.h: Remove the prototype for function_args_count.
1939
1940 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
1941
1942         * tree-iterator.c (expr_only): Remove.
1943         * tree.h: Remove the prototype for expr_only.
1944
1945 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
1946
1947         * reginfo.c (cannot_change_mode_set_regs): Remove.
1948         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
1949
1950 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
1951
1952         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
1953         whether operands 0 and 1 overlaps.
1954
1955 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1956
1957         PR middle-end/36902
1958         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
1959         pointer. Use warning_at instead of warning.
1960         (search_for_addr_array): Likewise.
1961         (check_array_bounds): Likewise.
1962         (check_all_array_refs): Check that the incoming edge is not in the
1963         list of edges to be removed.
1964         (check_all_array_refs): Avoid the temporal pointer.
1965         (vrp_visit_cond_stmt): Fix typo.
1966         (simplify_switch_using_ranges): Handle the case where the switch
1967         index is an integer constant.
1968
1969 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
1970
1971         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
1972
1973 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
1974
1975         * doc/extend.texi, doc/invoke.texi: Fix typos.
1976
1977 2009-04-17  Cary Coutant  <ccoutant@google.com>
1978
1979         * tree-flow-inline.h (get_lineno): Fix inverted test.
1980
1981 2009-04-17  Diego Novillo  <dnovillo@google.com>
1982
1983         * tree-ssa-pre.c (create_expression_by_pieces): Remove
1984         assertion for AVAIL_OUT.
1985
1986 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
1987
1988         PR target/38627
1989         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
1990         * config/sh/linux-atomic.asm: Likewise.
1991
1992 2009-04-17  Diego Novillo  <dnovillo@google.com>
1993
1994         * except.c (debug_eh_tree): New.
1995         (struct eh_region, struct eh_status): Move ...
1996         * except.h: ... here.
1997         (add_type_for_runtime): Declare extern.
1998         (lookup_type_for_runtime): Likewise.
1999         (debug_eh_tree): Declare.
2000         * Makefile.in (GTFILES): List except.h before except.c
2001
2002 2009-04-17  Diego Novillo  <dnovillo@google.com>
2003
2004         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
2005         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
2006         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
2007         (find_vars_r): ... here.
2008         * tree-flow.h (find_referenced_vars_in): Declare.
2009         * tree-ssa-pre.c (create_expression_by_pieces): Assert
2010         that AVAIL_OUT exists for BLOCK.
2011         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
2012         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
2013         (tree-parloops.o): Likewise.
2014
2015 2009-04-17  Simon Baldwin  <simonb@google.com>
2016
2017         * toplev.c (default_tree_printer): Add handling for %E format.
2018
2019 2009-04-17  Diego Novillo  <dnovillo@google.com>
2020
2021         * tree-pretty-print.c (dump_generic_node): Add break after
2022         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
2023         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
2024         FUNCTION_TYPE together.  Call print_struct_decl when printing
2025         structures and TDF_SLIM is not given.
2026         (print_struct_decl): Fix logic for detecting recursion.
2027
2028 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
2029
2030         PR 31567
2031         * gcc.c (create_at_file): New.
2032         (compile_input_file_p): New.
2033         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
2034         * main.c (main): Update call to toplev_main.
2035         * toplev.c (toplev_main): Change signature. Call expandargv.
2036         * toplev.h (toplev_main): Change signature.
2037
2038 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
2039
2040         * dwarf2out.c (field_byte_offset): Use the type size as the field size
2041         if the latter is not constant.
2042
2043 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
2044
2045         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
2046
2047 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
2048
2049         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
2050         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
2051
2052 2009-04-17  Richard Guenther  <rguenther@suse.de>
2053
2054         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2055         Handle component references view-converting an invariant address.
2056
2057 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
2058
2059         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
2060         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
2061         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
2062         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
2063         Use @deftypevr rather than @deftypevar.
2064
2065 2009-04-17  Richard Guenther  <rguenther@suse.de>
2066
2067         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
2068         (get_prop_source_stmt): Likewise.
2069         (can_propagate_from): Likewise.
2070
2071 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
2072
2073         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
2074         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
2075         (--with-multilib-list): Add default value.
2076         * configure: Regenerate.
2077         * Makefile.in (TM_ENDIAN_CONFIG): Define.
2078         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
2079         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
2080         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
2081         Don't add default cpu to multilib list unnecessarily, but do enable
2082         the relevant compiler option..
2083         Add support for --with-multilib-list=<blank> and
2084         --with-multilib-list=!<somelib> to supress unwanted multilibs.
2085         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
2086         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
2087         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
2088         TM_MULTILIB_CONFIG.
2089         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
2090         (MULTILIB_OSDIRNAMES): New variable.
2091         * config/sh/t-1e: Delete file.
2092         * config/sh/t-mlib-sh1: Delete file.
2093         * config/sh/t-mlib-sh2: Delete file.
2094         * config/sh/t-mlib-sh2a: Delete file.
2095         * config/sh/t-mlib-sh2a-nofpu: Delete file.
2096         * config/sh/t-mlib-sh2a-single: Delete file.
2097         * config/sh/t-mlib-sh2a-single-only: Delete file.
2098         * config/sh/t-mlib-sh2e: Delete file.
2099         * config/sh/t-mlib-sh3e: Delete file.
2100         * config/sh/t-mlib-sh4: Delete file.
2101         * config/sh/t-mlib-sh4-nofpu: Delete file.
2102         * config/sh/t-mlib-sh4-single: Delete file.
2103         * config/sh/t-mlib-sh4-single-only: Delete file.
2104         * config/sh/t-mlib-sh4a: Delete file.
2105         * config/sh/t-mlib-sh4a-nofpu: Delete file.
2106         * config/sh/t-mlib-sh4a-single: Delete file.
2107         * config/sh/t-mlib-sh4a-single-only: Delete file.
2108         * config/sh/t-mlib-sh4al: Delete file.
2109         * config/sh/t-mlib-sh5-32media: Delete file.
2110         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
2111         * config/sh/t-mlib-sh5-64media: Delete file.
2112         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
2113         * config/sh/t-mlib-sh5-compact: Delete file.
2114         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
2115         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
2116         * doc/install.texi (Options specification): Add
2117         --with-multilib-list and --with-endian.
2118
2119 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
2120
2121         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
2122         REVISION_c.
2123         (OBJS-common): Add plugin-version.o.
2124         (plugin-version.o): New.
2125         * gcc-plugin.h (plugin_gcc_version): New.
2126         (plugin_default_version_check): New.
2127         (plugin_init_func, plugin_init): Add version argument.
2128         * plugin-version.c: New.
2129         * plugin.c (str_plugin_gcc_version_name): New.
2130         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
2131         pass it to the init function.
2132         (plugin_default_version_check): New.
2133
2134 2009-04-17  Richard Guenther  <rguenther@suse.de>
2135
2136         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
2137         for decl-vs-decl disambiguation.
2138
2139 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
2140
2141         * config/s390/s390.h (s390_tune_attr): New macro definition.
2142         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
2143
2144 2009-04-17  Richard Guenther  <rguenther@suse.de>
2145
2146         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
2147         (fold_stmt_r): Likewise.
2148         (maybe_fold_reference): New function.
2149         (fold_gimple_assign): Handle cases fold_stmt_r did.
2150         (fold_stmt): Do not use fold_stmt_r.
2151         (fold_stmt_inplace): Likewise.
2152
2153 2009-04-17  Richard Guenther  <rguenther@suse.de>
2154
2155         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
2156         (record_equivalences_from_stmt): Remove useless checks and
2157         simplifications.
2158         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
2159         the type is already suitable.
2160
2161 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
2162
2163         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
2164
2165 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
2166
2167         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
2168         (CMPtype): Define as __gcc_CMPtype.
2169
2170 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
2171
2172         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
2173         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
2174
2175 2009-04-17  Richard Guenther  <rguenther@suse.de>
2176
2177         PR tree-optimization/39746
2178         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
2179         special-casing for builtins and static variable use/def.
2180         (call_may_clobber_ref_p_1): Likewise.
2181
2182 2009-04-16  Ian Lance Taylor  <iant@google.com>
2183
2184         * df.h: Include "timevar.h".
2185         (struct df_problem): Change tv_id field to timevar_id_t.
2186         * tree-pass.h: Include "timevar.h".
2187         (struct opt_pass): Change tv_id field to timevar_id_t.
2188         * timevar.h (timevar_id_t): Define TV_NONE.
2189         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
2190         TV_NONE rather than tv_id != 0.
2191         (execute_one_pass): Likewise.
2192         * Makefile.in (DF_H): Add $(TIMEVAR_H).
2193         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
2194         dependencies to $(TREE_PASS_H).
2195         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
2196         to TV_NONE.
2197         (pass_branch_target_load_optimize2): Likewise.
2198         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
2199         (pass_outof_cfg_layout_mode): Likewise.
2200         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
2201         (pass_rebuild_cgraph_edges): Likewise.
2202         (pass_remove_cgraph_callee_edges): Likewise.
2203         * df-core.c (pass_df_initialize_opt): Likewise.
2204         (pass_df_initialize_no_opt): Likewise.
2205         (pass_df_finish): Likewise.
2206         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
2207         * except.c (pass_set_nothrow_function_flags): Likewise.
2208         (pass_convert_to_eh_region_ranges): Likewise.
2209         * final.c (pass_compute_alignments): Likewise.
2210         * function.c (pass_instantiate_virtual_regs): Likewise.
2211         (pass_init_function): Likewise.
2212         (pass_leaf_regs): Likewise.
2213         (pass_match_asm_constraints): Likewise.
2214         * gimple-low.c (pass_lower_cf): Likewise.
2215         (pass_mark_used_blocks): Likewise.
2216         * init-regs.c (pass_initialize_regs): Likewise.
2217         * integrate.c (pass_initial_value_sets): Likewise.
2218         * ira.c (pass_ira): Likewise.
2219         * jump.c (pass_cleanup_barriers): Likewise.
2220         * omp-low.c (pass_expand_omp): Likewise.
2221         (pass_lower_omp): Likewise.
2222         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
2223         * recog.c (pass_split_all_insns): Likewise.
2224         (pass_split_after_reload): Likewise.
2225         (pass_split_before_regstack): Likewise.
2226         (pass_split_before_sched2): Likewise.
2227         (pass_split_for_shorten_branches): Likewise.
2228         * reginfo.c (pass_reginfo_init): Likewise.
2229         (pass_subregs_of_mode_init): Likewise.
2230         (pass_subregs_of_mode_finish): Likewise.
2231         * passes.c (pass_postreload): Likewise.
2232         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
2233         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
2234         (pass_warn_function_return): Likewise.
2235         (pass_warn_function_noreturn): Likewise.
2236         * tree-complex.c (pass_lower_complex): Likewise.
2237         (pass_lower_complex_O0): Likewise.
2238         * tree-if-conv.c (pass_if_conversion): Likewise.
2239         * tree-into-ssa.c (pass_build_ssa): Likewise.
2240         * tree-mudflap.c (pass_mudflap_1): Likewise.
2241         (pass_mudflap_2): Likewise.
2242         * tree-nomudflap.c (pass_mudflap_1): Likewise.
2243         (pass_mudflap_2): Likewise.
2244         * tree-nrv.c (pass_return_slot): Likewise.
2245         * tree-object-size.c (pass_object_sizes): Likewise.
2246         * tree-optimize.c (pass_all_optimizations): Likewise.
2247         (pass_early_local_passes): Likewise.
2248         (pass_all_early_optimizations): Likewise.
2249         (pass_cleanup_cfg): Likewise.
2250         (pass_cleanup_cfg_post_optimizing): Likewise.
2251         (pass_free_datastructures): Likewise.
2252         (pass_free_cfg_annotations): Likewise.
2253         (pass_fixup_cfg): Likewise.
2254         (pass_init_datastructures): Likewise.
2255         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
2256         (pass_late_warn_uninitialized): Likewise.
2257         (pass_update_address_taken): Likewise.
2258         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
2259         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
2260         (pass_cse_sincos): Likewise.
2261         (pass_convert_to_rsqrt): Likewise.
2262         * tree-ssa-structalias.c (pass_build_alias): Likewise.
2263         * tree-stdarg.c (pass_stdarg): Likewise.
2264         * tree-tailcall.c (pass_tail_recursion): Likewise.
2265         (pass_tail_calls): Likewise.
2266         * tree-vect-generic.c (pass_lower_vector): Likewise.
2267         (pass_lower_vector_ssa): Likewise.
2268         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
2269
2270 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
2271
2272         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
2273         XLR entry.
2274         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
2275         Handle -march=xlr.
2276         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
2277         logical and signext.
2278
2279 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
2280
2281         PR target/39767
2282         * config/sh/predicates.md (arith_operand): Check if the operand
2283         of TRUNCATE is a REG.
2284
2285 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
2286
2287         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
2288         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
2289
2290 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
2291
2292         * tree-iterator.c (tsi_split_statement_list_after,
2293         tsi_split_statement_list_before): Remove.
2294         * tree-iterator.h: Remove the prototypes for
2295         tsi_split_statement_list_after and tsi_split_statement_list_before.
2296
2297 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
2298
2299         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
2300         * tree-ssa-propagate.h: Remove the prototype for
2301         stmt_makes_single_load.
2302
2303 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
2304
2305         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
2306         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
2307
2308 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
2309
2310         * tree-iterator.c (EXPR_LAST_BODY): Remove.
2311
2312 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
2313
2314         * except.c (eh_region_outer_p): Remove.
2315         * except.h: Remove the prototype for eh_region_outer_p.
2316
2317 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
2318
2319         * function.c (current_function_assembler_name): Remove.
2320         * function.h: Remove the prototype for
2321         current_function_assembler_name.
2322
2323 2009-04-16  Ian Lance Taylor  <iant@google.com>
2324
2325         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
2326         (add_reg_note): Call alloc_reg_note.
2327         * rtl.h (alloc_reg_note): Declare.
2328         * combine.c (try_combine): Use alloc_reg_note.
2329         (recog_for_combine, move_deaths): Likewise.
2330         (distribute_notes): Use alloc_reg_note and add_reg_note.
2331         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
2332         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
2333         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
2334
2335 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
2336
2337         PR rtl-optimization/39762
2338         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
2339         ira_may_move_out_cost): Add comments about way of their usage.
2340         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
2341
2342         * ira-conflicts.c (process_regs_for_copy): Use function
2343         ira_get_register_move_cost instead of global
2344         ira_register_move_cost.
2345
2346         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
2347         color_pass, move_spill_restore, update_curr_costs): Ditto.
2348
2349         * ira-lives.c (process_single_reg_class_operands): Ditto.
2350
2351         * ira-emit.c (emit_move_list): Ditto.
2352
2353         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
2354         (record_reg_classes): Ditto.  Use functions
2355         ira_get_register_move_cost and ira_get_may_move_cost instead of
2356         global vars ira_register_move_cost, ira_may_move_out_cost and
2357         ira_may_move_in_cost.
2358         (record_address_regs): Don't call ira_init_register_move_cost.
2359         Use function ira_get_may_move_cost instead of global
2360         ira_may_move_in_cost.
2361         (process_bb_node_for_hard_reg_moves): Use function
2362         ira_get_register_move_cost instead of global ira_register_move_cost.
2363         (ira_costs): Don't call ira_init_register_move_cost.
2364
2365 2009-04-16  Richard Guenther  <rguenther@suse.de>
2366
2367         * tree-cfg.c (verify_gimple_assign_binary):
2368         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
2369         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
2370         (create_general_new_stmt): Note that this function is broken.
2371
2372 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
2373
2374         * common.opt (fhelp): Add Var(help_flag).
2375         * gcc-plugin.h (plugin_info): Add help.
2376         * plugin.c (plugin_name_args): Add help.
2377         (register_plugin_info): Set plugin->help.
2378         (print_help_one_plugin): New.
2379         (print_plugins_help): New.
2380         * plugin.h (print_plugins_help): New.
2381         * toplev.c (toplev_main): Call print_plugins_help if needed.
2382
2383 2009-04-16  Richard Guenther  <rguenther@suse.de>
2384
2385         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
2386         (gimple_ior_addresses_taken_1): New function.
2387         (gimple_ior_addresses_taken): Likewise.
2388         * gimple.h (struct gimple_statement_with_ops_base): Remove
2389         addresses_taken member.
2390         (gimple_ior_addresses_taken): Declare.
2391         (gimple_addresses_taken, gimple_addresses_taken_ptr,
2392         gimple_set_addresses_taken): Remove.
2393         * ipa-reference.c (mark_address): New function.
2394         (scan_stmt_for_static_refs): Use it for marking addresses taken.
2395         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
2396         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
2397         (gimple_add_to_addresses_taken): Remove.
2398         (get_tmr_operands): Call mark_address_taken.
2399         (get_asm_expr_operands): Likewise.
2400         (get_expr_operands): Likewise.
2401         (build_ssa_operands): Do not clear the addresses_taken bitmap.
2402         (free_stmt_operands): Do not free it.
2403         * tree-ssa.c (delete_tree_ssa): Likewise.
2404         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
2405
2406 2009-04-16  Richard Guenther  <rguenther@suse.de>
2407
2408         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
2409         (walk_stmt_load_store_ops): Likewise.
2410         * gimple.c (get_base_loadstore): New function.
2411         (walk_stmt_load_store_addr_ops): Likewise.
2412         (walk_stmt_load_store_ops): Likewise.
2413         * ipa-pure-const.c (check_op): Simplify.
2414         (check_load, check_store): New functions.
2415         (check_stmt): Use walk_stmt_load_store_ops.
2416         * ipa-reference.c (mark_load): Adjust signature.
2417         (mark_store): Likewise.
2418         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
2419
2420 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
2421
2422         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
2423         (plugin_info): New.
2424         * opts.c (common_handle_option): Don't call print_version.
2425         * plugin.c (plugin_name_args): Add version.
2426         (register_plugin_info): New.
2427         (register_callback): Handle PLUGIN_INFO.
2428         (try_init_one_plugin): New.
2429         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
2430         if failed to init.
2431         (finalize_one_plugin): New.
2432         (finalize_plugins): New.
2433         (print_one_plugin): New.
2434         (print_plugins_versions): New.
2435         * plugin.h (print_plugins_versions): New.
2436         (finalize_plugins): New.
2437         * toplev.c (compile_file): Don't call initialize_plugins.
2438         (print_version): Call print_plugins_versions.
2439         (toplev_main): Call initialize_plugins. Print version if needed.
2440         Call finalize_plugins.
2441
2442 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
2443
2444         * common.opt (fversion): New.
2445         * gcc.c (print_version): New.
2446         (process_command): Don't print the version. Just set print_version.
2447         (main): Print version. Call subprocesses if print_version and
2448         verbose_flag are set.
2449         * opts.c (common_handle_option): Handle OPT_fversion.
2450
2451 2009-04-16  Richard Guenther  <rguenther@suse.de>
2452             Ira Rosen  <irar@il.ibm.com>
2453
2454         PR tree-optimization/39698
2455         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
2456         type of the reduction variable.  Only generate the def if
2457         it is needed.
2458
2459         * omp-low.c (expand_omp_for_generic): When converting to a pointer
2460         make sure to first convert to an integer of the same precision.
2461         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
2462         the type of the evolution correctly in computing the new
2463         induction variable base.
2464
2465 2009-04-16  Richard Guenther  <rguenther@suse.de>
2466
2467         PR middle-end/39625
2468         * tree-cfg.c (make_blocks): Split statements with to-be
2469         abnormal SSA names on the lhs.
2470
2471 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
2472
2473         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
2474         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
2475         * c-typeck.c (really_start_incremental_init): Likewise.
2476         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
2477         (TARGET_INITIALIZER): Remove it.
2478         * target.h (struct target): Remove vector_opaque_p.
2479         * tree.c (build_opaque_vector_type): New.
2480         * tree.h (TYPE_VECTOR_OPAQUE): New.
2481         (build_opaque_vector_type): Declare.
2482         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
2483         * config/rs6000/rs6000.c (build_opaque_vector_type,
2484         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
2485         (rs6000_init_builtins): Use build_opaque_vector_type for
2486         opaque_V4SI_type_node.
2487
2488 2009-04-15  Catherine Moore  <clm@codesourcery.com>
2489
2490         * debug.h (set_name):  Declare.
2491         * dwarf2out.c (dwarf2out_set_name): Declare.
2492         (dwarf2_debug_hooks): Add set_name.
2493         (find_AT_string): New.
2494         (add_AT_string): Call find_AT_string.
2495         (dwarf2out_set_name): New.
2496         * cp/decl.c (grokdeclarator): Call set_name.
2497         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
2498         * debug.c (do_nothing_debug_hooks):  Likewise.
2499         * dbxout.c (dbx_debug_hooks): Likewise.
2500         * sdbout.c (sdb_debug_hooks): Likewise.
2501
2502 2009-04-15  Michael Eager <eager@eagercon.com>
2503
2504         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
2505         reg for single-precision FPU.
2506         * config/rs6000/rs6000.md (movsi_internal1): Only for
2507         !TARGET_SINGLE_FPU.
2508         (movsi_internal1_single): New. Add pattern to move SI values to/from
2509         single-precision FP regs.
2510
2511 2009-04-15  Richard Guenther  <rguenther@suse.de>
2512
2513         * omp-low.c (lower_rec_input_clauses): Build correct address
2514         expressions.
2515         (expand_omp_for_generic): Fix multiplication type.
2516         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
2517         (generate_memset_zero): Fix types.
2518         * tree-profile.c (prepare_instrumented_value): Correctly
2519         widen a pointer.
2520
2521 2009-04-15  Ian Lance Taylor  <iant@google.com>
2522
2523         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
2524         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
2525         for -Wall and for -Wc++-compat.
2526         (c_common_post_options): For C++, set warn_enum_compare if not
2527         already set.
2528         * c-tree.h (struct c_expr): Add field original_type.
2529         (build_external_ref): Update declaration.
2530         * c-parser.c (c_parser_braced_init): Set original_type.
2531         (c_parser_initelt): Likewise.
2532         (c_parser_expr_no_commas): Likewise.
2533         (c_parser_conditional_expression): Likewise.
2534         (c_parser_cast_expression): Likewise.
2535         (c_parser_unary_expression): Likewise.  Pull setting of
2536         original_code to top of function.
2537         (c_parser_sizeof_expression): Set original_type.
2538         (c_parser_alignof_expression): Likewise.
2539         (c_parser_postfix_expression): Likewise.  Pull setting of
2540         original_code to top of function.
2541         (c_parser_postfix_expression_after_paren_type): Set original_type.
2542         (c_parser_postfix_expression_after_primary): Likewise.
2543         (c_parser_expression): Likewise.
2544         * c-typeck.c (build_external_ref): Add type parameter.  Change all
2545         callers.
2546         (c_expr_sizeof_expr): Set original_type field.
2547         (parser_build_unary_op): Likewise.
2548         (parser_build_binary_op): Likewise.  Optionally warn about
2549         comparisons of enums of different types.
2550         (digest_init): Set original_type field.
2551         (really_start_incremental_init): Likewise.
2552         (push_init_level, pop_init_level): Likewise.
2553         * doc/invoke.texi (Warning Options): -Wenum-compare now
2554         supported in C.
2555
2556 2009-04-15  Richard Guenther  <rguenther@suse.de>
2557
2558         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
2559         out a necessary conversion.
2560         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
2561         names we didn't value number.
2562         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
2563
2564 2009-04-15  Richard Guenther  <rguenther@suse.de>
2565
2566         PR tree-optimization/39764
2567         * tree-ssa-ccp.c (get_value): Canonicalize value with
2568         canonicalize_float_value.
2569
2570 2009-04-15  Jan Hubicka  <jh@suse.cz>
2571
2572         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
2573         Wrong version of patch.
2574
2575 2009-04-15  Jan Hubicka  <jh@suse.cz>
2576
2577         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
2578
2579 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
2580
2581         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
2582         our distinct integral and vector types.
2583
2584 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
2585
2586         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
2587         * init.c (build_vtbl_address): Remove call to assemble_external.
2588
2589 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
2590
2591         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
2592         output for other floating point modes.
2593
2594 2009-04-14  Diego Novillo  <dnovillo@google.com>
2595
2596         * diagnostic.c (diagnostic_report_diagnostic): Do not
2597         warn about loaded plugins for DK_ERROR and DK_WARNING.
2598         * c-decl.c (declspecs_add_type): Move call to
2599         invoke_plugin_callbacks ...
2600         * c-parser.c (c_parser_declspecs): ... here.
2601         * plugin.c (dump_active_plugins): Tidy output.
2602
2603 2009-04-14  Diego Novillo  <dnovillo@google.com>
2604             Le-Chun Wu  <lcwu@google.com>
2605
2606         * configure.ac: Add --enable-plugin support.
2607         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
2608         * Makefile.in (PLUGIN_H): Define.
2609         Export ENABLE_PLUGIN and GMPINC to site.exp.
2610         Add PLUGINLIBS to link command.
2611         Add/modify dependencies for plugin.o and files including plugin.h.
2612         (plugin.o): New.
2613         * config.in: Regenerate.
2614
2615         * opts.c (common_handle_option): Handle OPT_fplugin_ and
2616         OPT_fplugin_arg_.
2617
2618 2009-04-14  Le-Chun Wu  <lcwu@google.com>
2619
2620         * tree-pass.h (register_one_dump_file): Add a prototype for
2621         register_one_dump_file.
2622         * toplev.c (compile_file): Call initialize_plugins.
2623         (do_compile): Call invoke_plugin_callbacks.
2624         (toplev_main): Call invoke_plugin_callbacks.
2625         * common.opt: Add -fplugin= and -fplugin-arg-.
2626         * gcc-plugin.h: New public header file for plugins to include.
2627         * plugin.c: New source file.
2628         * plugin.h: New internal header file.
2629         * passes.c (register_one_dump_file): Make it external.
2630
2631         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
2632
2633 2009-04-14  Diego Novillo  <dnovillo@google.com>
2634
2635         * doc/plugins.texi: New.
2636         * doc/gccint.texi: Add reference to Plugins chapter.
2637         * doc/invoke.texi: Document -fplugin and -fplugin-arg
2638         * diagnostic.c (diagnostic_report_diagnostic): Warn about
2639         loaded plugins, if any.
2640         * timevar.def (TV_PLUGIN_INIT): Define.
2641         (TV_PLUGIN_RUN): Define.
2642         * plugin.c: Include timevar.h
2643         (plugins_active_p): New.
2644         (dump_active_plugins): New.
2645         (debug_active_plugins): New.
2646
2647 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
2648
2649         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
2650         library paths.
2651         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
2652
2653 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
2654
2655         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
2656         the same as a minus without a shift.
2657
2658 2009-04-14  Nick Clifton  <nickc@redhat.com>
2659
2660         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
2661         comparisons with small integers will always produce a short
2662         branch.
2663
2664 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
2665
2666         Merge:
2667         2008-12-19  Diego Novillo  <dnovillo@google.com>
2668
2669         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
2670
2671 2009-04-14  Richard Guenther  <rguenther@suse.de>
2672
2673         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
2674         verification.
2675         (verify_gimple_assign_binary): Likewise.  Handle shifts and
2676         rotates correctly.
2677         (verify_gimple_phi): Print the mismatched argument position.
2678         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
2679         Fix types.
2680         (vect_update_init_of_dr): Likewise.
2681         * matrix-reorg.c (transform_access_sites): Do what the
2682         comment suggests.
2683         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
2684
2685 2009-04-13  Michael Eager <eager@eagercon.com>
2686
2687         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
2688         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
2689         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
2690         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
2691         remove duplicate config
2692
2693 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2694
2695         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
2696         file_name:line_number type locator of the call site.
2697
2698 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
2699
2700         * genautomata.c: Put blank after comma.
2701         (automaton_decls): New.
2702         (struct unit_usage): Add comments to member next.
2703         (store_alt_unit_usage): Keep the list ordered.
2704         (unit_present_on_list_p, equal_alternatives_p): New.
2705         (check_regexp_units_distribution): Check units distribution
2706         correctness correctly.
2707         (main): Don't write automata if error is found.  Return correct
2708         exit code.
2709
2710         * config/m68k/cf.md (cfv4_ds): Remove.
2711         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
2712         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
2713
2714         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
2715         power4-load-ext, power4-store, power4-store-update,
2716         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
2717         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
2718         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
2719         power4-sqrt, power4-isync): Modify reservation to make correct
2720         unit distribution to automata.
2721
2722         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
2723         power5-store-update, power5-two, power5-three, power5-lmul,
2724         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
2725
2726 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
2727
2728         * except.c (pass_set_nothrow_function_flags): Set name and add
2729         TODO_dump_func.
2730         (set_nothrow_function_flags): Mention in the dump file when
2731         changing a function to nothrow.
2732
2733 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
2734
2735         PR/39066
2736         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
2737         instead of unsigned long.
2738
2739 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2740
2741         * config/arm/arm.c (return_used_this_function): Remove.
2742         (arm_output_function_prologue): Remove use of
2743         return_used_this_function.
2744         (output_return_instruction): Replace use of
2745         return_used_this_function
2746         by cfun->machine->return_used_this_function.
2747         (arm_output_epilogue): Likewise.
2748         (arm_output_function_epilogue): Likewise.
2749         (thumb_unexpanded_epilogue): Likewise.
2750         * config/arm/arm.h (struct machine_function):
2751         New member return_used_this_function.
2752
2753 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
2754
2755         * doc/install.texi: Correct description of default directory for
2756         --with-gxx-include-dir.
2757
2758 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2759
2760         * fold-const.c (build_range_check): Properly deal with enumeral and
2761         boolean base types.
2762
2763 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
2764
2765         * doc/invoke.texi (max_gcse_passes): Remove documentation.
2766         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
2767         * params.h (MAX_GCSE_PASSES): Remove.
2768         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
2769         in sequence.  Remove ability to run multiple passes.
2770         (bypass_jumps): Report run as third CPROP pass.
2771
2772 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
2773
2774         PR middle-end/39651
2775         * except.c (can_throw_external): Look at each insn in a SEQUENCE
2776         when deciding whether the whole SEQUENCE can throw.
2777
2778 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
2779
2780         PR target/39740
2781         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
2782         offseted label references.
2783
2784 2009-04-11  Jan Hubicka  <jh@suse.cz>
2785
2786         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
2787
2788 2009-04-11  Richard Guenther  <rguenther@suse.de>
2789
2790         PR middle-end/39732
2791         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
2792         return variables as TREE_ADDRESSABLE.
2793
2794 2009-04-11  Richard Guenther  <rguenther@suse.de>
2795
2796         PR tree-optimization/39713
2797         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
2798         reference trees have SSA_NAME operands.
2799
2800 2009-04-11  Richard Guenther  <rguenther@suse.de>
2801
2802         PR c/39712
2803         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
2804         address expressions.
2805
2806 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
2807
2808         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
2809         match changes in Cygwin 1.7
2810         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
2811         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
2812
2813 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
2814
2815         PR tree-optimization/39701
2816         * doc/invoke.texi (Optimization Options): Document change in
2817         meaning and initialization of -fdelete-null-pointer-checks.
2818
2819 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
2820
2821         PR middle-end/39701
2822         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
2823
2824         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
2825         here.
2826
2827         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
2828
2829 2009-04-10  Chao-ying Fu  <fu@mips.com>
2830
2831         * doc/tm.texi (Instruction Output): Document
2832         TARGET_ASM_FINAL_POSTSCAN_INSN.
2833         * target.h (final_postscan_insn): New field in asm_out.
2834         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
2835         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
2836         * final.c (final_scan_insn): Call
2837         targetm.asm_out.final_postscan_insn after outputting
2838         an asm macro and a normal instruction.
2839
2840         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
2841         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
2842         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
2843         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
2844         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
2845
2846 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
2847
2848         PR middle-end/39701
2849         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
2850         variables as non-NULL even with -fdelete-null-pointer-checks.
2851
2852 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
2853
2854         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
2855
2856 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2857
2858         PR target/39678
2859         * config/i386/i386.c (classify_argument): Handle SCmode with
2860         (bit_offset % 64) != 0.
2861
2862 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
2863
2864         * doc/invoke.texi (Optimize Options): Add cross-reference to
2865         -Q --help=optimizers examples.
2866
2867 2009-04-10  Ben Elliston  <bje@au.ibm.com>
2868
2869         PR target/36800
2870         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
2871         regalign for the reg == fpr and TDmode case.
2872
2873 2009-04-09  David Ayers  <ayers@fsfe.org>
2874
2875         PR objc/29200
2876         * objc/objc-act.c (warn_with_method): Remove helper function.
2877         (check_duplicates): Call warning and inform directly.
2878         (really_start_method): Likewise.
2879
2880 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
2881
2882         * expmed.c (expand_divmod): Always use a comparison for a division
2883         by a large unsigned integer.
2884
2885         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
2886         for things others than variables or functions as nonzero.
2887
2888 2009-04-09  Nick Clifton  <nickc@redhat.com>
2889
2890         * unwind-compat.c: Change copyright header to refer to version
2891         3 of the GNU General Public License with version 3.1 of the
2892         GCC Runtime Library Exception and to point readers at the
2893         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
2894         * config/alpha/crtfastmath.c: Likewise.
2895         * config/alpha/linux-unwind.h: Likewise.
2896         * config/alpha/qrnnd.asm: Likewise.
2897         * config/alpha/vms-crt0-64.c: Likewise.
2898         * config/alpha/vms-crt0.c: Likewise.
2899         * config/alpha/vms-dwarf2.asm: Likewise.
2900         * config/alpha/vms-dwarf2eh.asm: Likewise.
2901         * config/alpha/vms-psxcrt0-64.c: Likewise.
2902         * config/alpha/vms-psxcrt0.c: Likewise.
2903         * config/alpha/vms_tramp.asm: Likewise.
2904         * config/arc/initfini.c: Likewise.
2905         * config/arc/lib1funcs.asm: Likewise.
2906         * config/arm/bpabi-v6m.S: Likewise.
2907         * config/arm/bpabi.S: Likewise.
2908         * config/arm/bpabi.c: Likewise.
2909         * config/arm/crti.asm: Likewise.
2910         * config/arm/crtn.asm: Likewise.
2911         * config/arm/ieee754-df.S: Likewise.
2912         * config/arm/ieee754-sf.S: Likewise.
2913         * config/arm/lib1funcs.asm: Likewise.
2914         * config/arm/libunwind.S: Likewise.
2915         * config/arm/linux-atomic.c: Likewise.
2916         * config/arm/mmintrin.h: Likewise.
2917         * config/arm/pr-support.c: Likewise.
2918         * config/arm/unaligned-funcs.c: Likewise.
2919         * config/arm/unwind-arm.c: Likewise.
2920         * config/arm/unwind-arm.h: Likewise.
2921         * config/avr/libgcc.S: Likewise.
2922         * config/bfin/crti.s: Likewise.
2923         * config/bfin/crtlibid.s: Likewise.
2924         * config/bfin/crtn.s: Likewise.
2925         * config/bfin/lib1funcs.asm: Likewise.
2926         * config/bfin/linux-unwind.h: Likewise.
2927         * config/cris/arit.c: Likewise.
2928         * config/cris/cris_abi_symbol.c: Likewise.
2929         * config/darwin-64.c: Likewise.
2930         * config/darwin-crt2.c: Likewise.
2931         * config/darwin-crt3.c: Likewise.
2932         * config/darwin.h: Likewise.
2933         * config/dbxelf.h: Likewise.
2934         * config/dfp-bit.c: Likewise.
2935         * config/dfp-bit.h: Likewise.
2936         * config/elfos.h: Likewise.
2937         * config/fixed-bit.c: Likewise.
2938         * config/fixed-bit.h: Likewise.
2939         * config/fp-bit.c: Likewise.
2940         * config/fp-bit.h: Likewise.
2941         * config/fr30/crti.asm: Likewise.
2942         * config/fr30/crtn.asm: Likewise.
2943         * config/fr30/lib1funcs.asm: Likewise.
2944         * config/freebsd-spec.h: Likewise.
2945         * config/frv/cmovd.c: Likewise.
2946         * config/frv/cmovh.c: Likewise.
2947         * config/frv/cmovw.c: Likewise.
2948         * config/frv/frvbegin.c: Likewise.
2949         * config/frv/frvend.c: Likewise.
2950         * config/frv/lib1funcs.asm: Likewise.
2951         * config/glibc-stdint.h: Likewise.
2952         * config/h8300/clzhi2.c: Likewise.
2953         * config/h8300/crti.asm: Likewise.
2954         * config/h8300/crtn.asm: Likewise.
2955         * config/h8300/ctzhi2.c: Likewise.
2956         * config/h8300/fixunssfsi.c: Likewise.
2957         * config/h8300/lib1funcs.asm: Likewise.
2958         * config/h8300/parityhi2.c: Likewise.
2959         * config/h8300/popcounthi2.c: Likewise.
2960         * config/i386/ammintrin.h: Likewise.
2961         * config/i386/att.h: Likewise.
2962         * config/i386/avxintrin.h: Likewise.
2963         * config/i386/biarch64.h: Likewise.
2964         * config/i386/bmmintrin.h: Likewise.
2965         * config/i386/cpuid.h: Likewise.
2966         * config/i386/cross-stdarg.h: Likewise.
2967         * config/i386/crtfastmath.c: Likewise.
2968         * config/i386/crtprec.c: Likewise.
2969         * config/i386/cygming-crtbegin.c: Likewise.
2970         * config/i386/cygming-crtend.c: Likewise.
2971         * config/i386/cygwin.asm: Likewise.
2972         * config/i386/emmintrin.h: Likewise.
2973         * config/i386/gmm_malloc.h: Likewise.
2974         * config/i386/gthr-win32.c: Likewise.
2975         * config/i386/i386.h: Likewise.
2976         * config/i386/immintrin.h: Likewise.
2977         * config/i386/linux-unwind.h: Likewise.
2978         * config/i386/linux64.h: Likewise.
2979         * config/i386/mm3dnow.h: Likewise.
2980         * config/i386/mmintrin-common.h: Likewise.
2981         * config/i386/mmintrin.h: Likewise.
2982         * config/i386/nmmintrin.h: Likewise.
2983         * config/i386/pmm_malloc.h: Likewise.
2984         * config/i386/pmmintrin.h: Likewise.
2985         * config/i386/smmintrin.h: Likewise.
2986         * config/i386/sol2-c1.asm: Likewise.
2987         * config/i386/sol2-ci.asm: Likewise.
2988         * config/i386/sol2-cn.asm: Likewise.
2989         * config/i386/sol2-gc1.asm: Likewise.
2990         * config/i386/tmmintrin.h: Likewise.
2991         * config/i386/unix.h: Likewise.
2992         * config/i386/w32-unwind.h: Likewise.
2993         * config/i386/wmmintrin.h: Likewise.
2994         * config/i386/x86-64.h: Likewise.
2995         * config/i386/x86intrin.h: Likewise.
2996         * config/i386/xmmintrin.h: Likewise.
2997         * config/ia64/crtbegin.asm: Likewise.
2998         * config/ia64/crtend.asm: Likewise.
2999         * config/ia64/crtfastmath.c: Likewise.
3000         * config/ia64/crti.asm: Likewise.
3001         * config/ia64/crtn.asm: Likewise.
3002         * config/ia64/fde-glibc.c: Likewise.
3003         * config/ia64/lib1funcs.asm: Likewise.
3004         * config/ia64/linux-unwind.h: Likewise.
3005         * config/ia64/quadlib.c: Likewise.
3006         * config/ia64/unwind-ia64.c: Likewise.
3007         * config/linux.h: Likewise.
3008         * config/m32c/m32c-lib1.S: Likewise.
3009         * config/m32c/m32c-lib2-trapv.c: Likewise.
3010         * config/m32c/m32c-lib2.c: Likewise.
3011         * config/m32r/initfini.c: Likewise.
3012         * config/m68hc11/larith.asm: Likewise.
3013         * config/m68hc11/m68hc11-crt0.S: Likewise.
3014         * config/m68k/cf.md: Likewise.
3015         * config/m68k/crti.s: Likewise.
3016         * config/m68k/crtn.s: Likewise.
3017         * config/m68k/lb1sf68.asm: Likewise.
3018         * config/m68k/linux-unwind.h: Likewise.
3019         * config/mcore/crti.asm: Likewise.
3020         * config/mcore/crtn.asm: Likewise.
3021         * config/mcore/lib1.asm: Likewise.
3022         * config/mips/linux-unwind.h: Likewise.
3023         * config/mips/loongson.h: Likewise.
3024         * config/mips/mips16.S: Likewise.
3025         * config/mmix/crti.asm: Likewise.
3026         * config/mmix/crtn.asm: Likewise.
3027         * config/pa/fptr.c: Likewise.
3028         * config/pa/hpux-unwind.h: Likewise.
3029         * config/pa/lib2funcs.asm: Likewise.
3030         * config/pa/linux-atomic.c: Likewise.
3031         * config/pa/linux-unwind.h: Likewise.
3032         * config/pa/milli64.S: Likewise.
3033         * config/pa/quadlib.c: Likewise.
3034         * config/pa/stublib.c: Likewise.
3035         * config/picochip/libgccExtras/adddi3.asm: Likewise.
3036         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
3037         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
3038         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
3039         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
3040         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
3041         * config/picochip/libgccExtras/divmod15.asm: Likewise.
3042         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
3043         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
3044         * config/picochip/libgccExtras/longjmp.asm: Likewise.
3045         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
3046         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
3047         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
3048         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
3049         * config/picochip/libgccExtras/setjmp.asm: Likewise.
3050         * config/picochip/libgccExtras/subdi3.asm: Likewise.
3051         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
3052         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
3053         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
3054         * config/rs6000/750cl.h: Likewise.
3055         * config/rs6000/altivec.h: Likewise.
3056         * config/rs6000/biarch64.h: Likewise.
3057         * config/rs6000/crtresfpr.asm: Likewise.
3058         * config/rs6000/crtresgpr.asm: Likewise.
3059         * config/rs6000/crtresxfpr.asm: Likewise.
3060         * config/rs6000/crtresxgpr.asm: Likewise.
3061         * config/rs6000/crtsavfpr.asm: Likewise.
3062         * config/rs6000/crtsavgpr.asm: Likewise.
3063         * config/rs6000/darwin-asm.h: Likewise.
3064         * config/rs6000/darwin-fallback.c: Likewise.
3065         * config/rs6000/darwin-fpsave.asm: Likewise.
3066         * config/rs6000/darwin-ldouble.c: Likewise.
3067         * config/rs6000/darwin-tramp.asm: Likewise.
3068         * config/rs6000/darwin-unwind.h: Likewise.
3069         * config/rs6000/darwin-vecsave.asm: Likewise.
3070         * config/rs6000/darwin-world.asm: Likewise.
3071         * config/rs6000/e500crtres32gpr.asm: Likewise.
3072         * config/rs6000/e500crtres64gpr.asm: Likewise.
3073         * config/rs6000/e500crtres64gprctr.asm: Likewise.
3074         * config/rs6000/e500crtrest32gpr.asm: Likewise.
3075         * config/rs6000/e500crtrest64gpr.asm: Likewise.
3076         * config/rs6000/e500crtresx32gpr.asm: Likewise.
3077         * config/rs6000/e500crtresx64gpr.asm: Likewise.
3078         * config/rs6000/e500crtsav32gpr.asm: Likewise.
3079         * config/rs6000/e500crtsav64gpr.asm: Likewise.
3080         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
3081         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
3082         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
3083         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
3084         * config/rs6000/eabi-ci.asm: Likewise.
3085         * config/rs6000/eabi-cn.asm: Likewise.
3086         * config/rs6000/eabi.asm: Likewise.
3087         * config/rs6000/linux-unwind.h: Likewise.
3088         * config/rs6000/linux64.h: Likewise.
3089         * config/rs6000/paired.h: Likewise.
3090         * config/rs6000/paired.md: Likewise.
3091         * config/rs6000/ppc64-fp.c: Likewise.
3092         * config/rs6000/ppu_intrinsics.h: Likewise.
3093         * config/rs6000/rs6000.h: Likewise.
3094         * config/rs6000/si2vmx.h: Likewise.
3095         * config/rs6000/sol-ci.asm: Likewise.
3096         * config/rs6000/sol-cn.asm: Likewise.
3097         * config/rs6000/spe.h: Likewise.
3098         * config/rs6000/spu2vmx.h: Likewise.
3099         * config/rs6000/sysv4.h: Likewise.
3100         * config/rs6000/tramp.asm: Likewise.
3101         * config/rs6000/vec_types.h: Likewise.
3102         * config/s390/linux-unwind.h: Likewise.
3103         * config/s390/tpf-unwind.h: Likewise.
3104         * config/score/crti.asm: Likewise.
3105         * config/score/crtn.asm: Likewise.
3106         * config/sh/crt1.asm: Likewise.
3107         * config/sh/crti.asm: Likewise.
3108         * config/sh/crtn.asm: Likewise.
3109         * config/sh/divtab-sh4-300.c: Likewise.
3110         * config/sh/divtab-sh4.c: Likewise.
3111         * config/sh/divtab.c: Likewise.
3112         * config/sh/lib1funcs-4-300.asm: Likewise.
3113         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
3114         * config/sh/lib1funcs.asm: Likewise.
3115         * config/sh/lib1funcs.h: Likewise.
3116         * config/sh/linux-atomic.asm: Likewise.
3117         * config/sh/linux-unwind.h: Likewise.
3118         * config/sh/shmedia.h: Likewise.
3119         * config/sh/sshmedia.h: Likewise.
3120         * config/sh/ushmedia.h: Likewise.
3121         * config/sparc/crtfastmath.c: Likewise.
3122         * config/sparc/linux-unwind.h: Likewise.
3123         * config/sparc/sol2-c1.asm: Likewise.
3124         * config/sparc/sol2-ci.asm: Likewise.
3125         * config/sparc/sol2-cn.asm: Likewise.
3126         * config/spu/divmodti4.c: Likewise.
3127         * config/spu/divv2df3.c: Likewise.
3128         * config/spu/float_disf.c: Likewise.
3129         * config/spu/float_unsdidf.c: Likewise.
3130         * config/spu/float_unsdisf.c: Likewise.
3131         * config/spu/float_unssidf.c: Likewise.
3132         * config/spu/mfc_multi_tag_release.c: Likewise.
3133         * config/spu/mfc_multi_tag_reserve.c: Likewise.
3134         * config/spu/mfc_tag_release.c: Likewise.
3135         * config/spu/mfc_tag_reserve.c: Likewise.
3136         * config/spu/mfc_tag_table.c: Likewise.
3137         * config/spu/multi3.c: Likewise.
3138         * config/spu/spu_internals.h: Likewise.
3139         * config/spu/spu_intrinsics.h: Likewise.
3140         * config/spu/spu_mfcio.h: Likewise.
3141         * config/spu/vec_types.h: Likewise.
3142         * config/spu/vmx2spu.h: Likewise.
3143         * config/stormy16/stormy16-lib2.c: Likewise.
3144         * config/svr4.h: Likewise.
3145         * config/sync.c: Likewise.
3146         * config/v850/lib1funcs.asm: Likewise.
3147         * config/vxlib-tls.c: Likewise.
3148         * config/vxlib.c: Likewise.
3149         * config/vxworks-dummy.h: Likewise.
3150         * config/xtensa/crti.asm: Likewise.
3151         * config/xtensa/crtn.asm: Likewise.
3152         * config/xtensa/ieee754-df.S: Likewise.
3153         * config/xtensa/ieee754-sf.S: Likewise.
3154         * config/xtensa/lib1funcs.asm: Likewise.
3155         * config/xtensa/lib2funcs.S: Likewise.
3156         * config/xtensa/linux-unwind.h: Likewise.
3157         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
3158         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
3159         * coretypes.h: Likewise.
3160         * crtstuff.c: Likewise.
3161         * defaults.h: Likewise.
3162         * dwarf2.h: Likewise.
3163         * emutls.c: Likewise.
3164         * gbl-ctors.h: Likewise.
3165         * gcov-io.h: Likewise.
3166         * ginclude/float.h: Likewise.
3167         * ginclude/iso646.h: Likewise.
3168         * ginclude/stdarg.h: Likewise.
3169         * ginclude/stdbool.h: Likewise.
3170         * ginclude/stddef.h: Likewise.
3171         * ginclude/stdfix.h: Likewise.
3172         * ginclude/stdint-gcc.h: Likewise.
3173         * ginclude/tgmath.h: Likewise.
3174         * gthr-aix.h: Likewise.
3175         * gthr-dce.h: Likewise.
3176         * gthr-gnat.c: Likewise.
3177         * gthr-gnat.h: Likewise.
3178         * gthr-lynx.h: Likewise.
3179         * gthr-mipssde.h: Likewise.
3180         * gthr-nks.h: Likewise.
3181         * gthr-posix.c: Likewise.
3182         * gthr-posix.h: Likewise.
3183         * gthr-posix95.h: Likewise.
3184         * gthr-rtems.h: Likewise.
3185         * gthr-single.h: Likewise.
3186         * gthr-solaris.h: Likewise.
3187         * gthr-tpf.h: Likewise.
3188         * gthr-vxworks.h: Likewise.
3189         * gthr-win32.h: Likewise.
3190         * gthr.h: Likewise.
3191         * libgcc2.c: Likewise.
3192         * libgcc2.h: Likewise.
3193         * libgcov.c: Likewise.
3194         * tsystem.h: Likewise.
3195         * typeclass.h: Likewise.
3196         * unwind-c.c: Likewise.
3197         * unwind-compat.h: Likewise.
3198         * unwind-dw2-fde-compat.c: Likewise.
3199         * unwind-dw2-fde-darwin.c: Likewise.
3200         * unwind-dw2-fde-glibc.c: Likewise.
3201         * unwind-dw2-fde.c: Likewise.
3202         * unwind-dw2-fde.h: Likewise.
3203         * unwind-dw2.c: Likewise.
3204         * unwind-dw2.h: Likewise.
3205         * unwind-generic.h: Likewise.
3206         * unwind-pe.h: Likewise.
3207         * unwind-sjlj.c: Likewise.
3208         * unwind.inc: Likewise.
3209         * config/arm/neon-gen.ml: Change generated copyright header to
3210         refer to version 3 of the GNU General Public License with
3211         version 3.1 of the GCC Runtime Library Exception and to point
3212         readers at the COPYING3 and COPYING3.RUNTIME files and the
3213         FSF's license web page.
3214         * config/arm/arm_neon.h: Regenerate.
3215
3216 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
3217
3218         * config/cris/cris.md: Change copyright header to refer to version
3219         3 of the GNU General Public License.
3220         * doc/install.texi2html: Change copyright header to refer to version
3221         3 of the GNU General Public License and to point readers at the
3222         COPYING3 file and the FSF's license web page.
3223         * config/vax/linux.h: Likewise.
3224
3225 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
3226
3227         * config/i386/i386.md (cmpcc): New.
3228         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
3229         (sync_compare_and_swap_cc*): Delete.
3230
3231         * config/s390/s390.c (s390_compare_emitted): Remove.
3232         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
3233         s390_compare_emitted used to be handled.  Assert that modes match.
3234         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
3235         refer to sync_compare_and_swap_ccsi.
3236         * config/s390/s390.h (s390_compare_emitted): Remove.
3237         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
3238         instead of s390_compare_emitted.
3239         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
3240         instead of s390_compare_emitted.
3241         * config/s390/s390.md (cmpcc): New.
3242         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
3243         CC_REGNUM, do not pretend it's set.
3244         (sync_compare_and_swap_cc*): Delete.
3245         * config/s390/predicates.md (cc_reg_operand): New.
3246
3247         * expr.c (sync_compare_and_swap_cc): Delete.
3248         * optabs.h (sync_compare_and_swap_cc): Delete.
3249         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
3250         is being used with can_compare_p.
3251         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
3252         (find_cc_set): New.
3253         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
3254         look for a MODE_CC set instead.  Use emit_store_flag.
3255         (expand_compare_and_swap_loop): Likewise, with some additional
3256         complication to avoid a force_reg when useless.  Use
3257         emit_cmp_and_jump_insns.
3258         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
3259         * doc/md.texi (sync_compare_and_swap_cc): Merge with
3260         sync_compare_and_swap documentation.
3261
3262 2009-04-09  Jan Hubicka  <jh@suse.cz>
3263
3264         * except.c (find_prev_try): Break out from ....
3265         (duplicate_eh_regions): ... here; properly update prev_try pointers
3266         when duplication part of tree.
3267         (dump_eh_tree): Improve dumping.
3268         (verify_eh_region): New.
3269         (verify_eh_tree): Use it.
3270
3271 2009-04-06  Richard Guenther  <rguenther@suse.de>
3272
3273         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
3274         &ARRAY addresses by adjusting their types and prepending
3275         a conversion.
3276         * tree-cfg.c (verify_gimple_assign_single): Verify that
3277         addresses are correct.
3278
3279 2009-04-09  Richard Guenther  <rguenther@suse.de>
3280
3281         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
3282         indices into an array reference if possible.
3283         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
3284         Fold POINTER_PLUS_EXPR statements with invariant address.
3285
3286 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
3287
3288         PR target/39634
3289         * config.gcc (powerpc64-*-linux*): Always build biarch.
3290
3291 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
3292
3293         PR c/39613
3294         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
3295         it and pedwarn if this results in an INTEGER_CST.
3296
3297 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3298
3299         * doc/install.texi: Update minimum GMP version.  Remove obsolete
3300         text in MPFR section.
3301
3302 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
3303
3304         * dwarf2out.c (class_scope_p): New static inline.
3305         (class_or_namespace_scope_p): Use it.
3306         (gen_variable_die): Use DW_TAG_member tag for static data member
3307         declarations instead of DW_TAG_variable.
3308
3309         PR middle-end/39573
3310         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
3311         variables.
3312
3313 2009-04-08  Richard Guenther  <rguenther@suse.de>
3314
3315         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
3316         valueize random data.
3317
3318 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
3319
3320         * config.gcc (aix tm_file):  Add aix-stdint.h.
3321         (aix tm clause use_gcc_stdint):  Set to wrap.
3322         * config/rs6000/aix-stdint.h:  New file.
3323
3324 2009-04-08  Richard Guenther  <rguenther@suse.de>
3325
3326         PR middle-end/36291
3327         * tree-dfa.c (add_referenced_var): Do not recurse into
3328         global initializers.
3329         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
3330         exposed variables.
3331         (fold_const_aggregate_ref): Likewise.
3332
3333 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
3334
3335         * recog.c (ordered_comparison_operator): New.
3336         * gensupport.c (std_preds): Add it.
3337         * doc/md.texi (Machine-Independent Predicates): Document it.
3338
3339 2009-04-08  Jan Hubicka  <jh@suse.cz>
3340
3341         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
3342         * function.h (rtl_eh): Remove exception_handler_label_map.
3343         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
3344         remove_exception_handler_label, for_each_eh_label_1): Remove.
3345         (rtl_remove_unreachable_regions): Remove.
3346         (convert_from_eh_region_ranges): Do not remove unreachable regions.
3347         (find_exception_handler_labels): Don't build the hashtable.
3348         (maybe_remove_eh_handler): Remove.
3349         (for_each_eh_label): Rewrite to walk the tree.
3350         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
3351         * except.h (maybe_remove_eh_handler): Remove.
3352         * passes.c (init_optimization_passes): Schedule second EH cleanup
3353         before out-of-ssa.
3354         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
3355         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
3356
3357 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
3358
3359         * genoutput.c (validate_optab_operands): New.
3360         (gen_insn, gen_expand): Call it.
3361
3362         * genflags.c (gen_insn): Detect misused iterators.
3363         (main): Pass line_no to gen_insn, exit with status 1 on error.
3364
3365         * genextract.c (line_no): Make global.
3366         (VEC_safe_set_locstr): Change assertion to error message.
3367         (main): Exit with status 1 on error.
3368
3369 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
3370
3371         PR c/39614
3372         PR c/39673
3373         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
3374         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
3375         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
3376         * c-convert.c (convert): Do not call fold on results of conversion
3377         functions when the result is a C_MAYBE_CONST_EXPR.
3378         * c-parser.c (c_parser_postfix_expression): Do not fold condition
3379         of __builtin_choose_expr.
3380         * c-typeck.c (remove_c_maybe_const_expr): New.
3381         (build_unary_op, build_conditional_expr, build_compound_expr,
3382         build_binary_op, c_objc_common_truthvalue_conversion): Call
3383         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
3384         integer operands.
3385
3386 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
3387
3388         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
3389         CODE to produce a new one. Add a prototype to use fold_convert_const
3390
3391 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
3392
3393         PR bootstrap/39660
3394         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
3395         mix declarations and code.
3396
3397 2009-04-08  Ben Elliston  <bje@au.ibm.com>
3398
3399         * gcc.c: Replace `CC' with `GCC' throughout.
3400
3401 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
3402
3403         * doc/invoke.texi: Document Atom support.
3404
3405 2009-04-07  Jason Merrill  <jason@redhat.com>
3406
3407         PR c++/25185
3408         * c-common.h, c-common.c: Add flag_pretty_templates.
3409         * c-opts.c (c_common_handle_option): Set it.
3410         * c.opt: Add -fno-pretty-templates.
3411         * doc/invoke.texi (C++ Dialect Options): Likewise.
3412
3413 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
3414
3415         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
3416         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
3417         (ia64_expand_builtin): Likewise.
3418
3419 2009-04-07  Martin Jambor  <mjambor@suse.cz>
3420
3421         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
3422         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
3423         ADDR_EXPRS are include too.
3424
3425 2009-04-07  Richard Guenther  <rguenther@suse.de>
3426
3427         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
3428         decls are only used if passes as parameters or if they are
3429         local statics and the call is not to a builtin.
3430         (call_may_clobber_ref_p_1): Likewise.
3431
3432 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
3433
3434         * expr.c (do_store_flag): Remove last argument.  Simplify code
3435         to avoid duplication of tests already done by can_compare_p.
3436         (expand_expr_real_1): Adjust caller.
3437
3438 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
3439
3440         * optabs.c (can_compare_p): Test the predicate of a
3441         cbranch and cstore pattern.
3442
3443 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
3444
3445         * expr.c (convert_move): Use emit_store_flag instead of
3446         "emulating" it.
3447
3448 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
3449
3450         * config/i386/i386.c (ix86_compare_emitted): Remove.
3451         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
3452         ix86_compare_op0 like ix86_compare_emitted used to be handled.
3453         * config/i386/i386.h (ix86_compare_emitted): Remove.
3454         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
3455         instead of ix86_compare_emitted.
3456         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
3457
3458 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
3459
3460         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
3461         Add t-sysroot-suffix to tmake_file.
3462         * config/print-sysroot-suffix.sh: New file.
3463         * config/t-sysroot-suffix: New file.
3464
3465 2009-04-07  Ben Elliston  <bje@au.ibm.com>
3466
3467         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
3468         as the latter produces a warning when the target does not support
3469         infinity.
3470
3471 2009-04-07  Ben Elliston  <bje@au.ibm.com>
3472
3473         * dfp.c: Replace type punning assignments with memcpy throughout.
3474         * Makefile.in (dfp.o-warn): Remove.
3475
3476 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
3477
3478         PR target/39634
3479         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
3480         Include soft-fp/t-softfp after rs6000/t-linux64.
3481
3482 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
3483
3484         * stor-layout.c (set_sizetype): Use the full precision of their
3485         machine mode for bitsize types.
3486
3487 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
3488
3489         * config/i386/i386.md: Revert 2 accidental checkins.
3490
3491 2009-04-06  Joey Ye  <joey.ye@intel.com>
3492             Xuepeng Guo <xuepeng.guo@intel.com>
3493             H.J. Lu  <hongjiu.lu@intel.com>
3494
3495         Atom pipeline model, tuning and insn selection.
3496         * config.gcc (atom): Add atom config options and target.
3497
3498         * config/i386/atom.md: New.
3499
3500         * config/i386/i386.c (atom_cost): New cost.
3501         (m_ATOM): New macro flag.
3502         (initial_ix86_tune_features): Set m_ATOM.
3503         (x86_accumulate_outgoing_args): Likewise.
3504         (x86_arch_always_fancy_math_387): Likewise.
3505         (processor_target): Add Atom cost.
3506         (cpu_names): Add Atom cpu name.
3507         (override_options): Set Atom ISA.
3508         (ix86_issue_rate): New case PROCESSOR_ATOM.
3509         (ix86_adjust_cost): Likewise.
3510
3511         * config/i386/i386.h (TARGET_ATOM): New target macro.
3512         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
3513         (TARGET_OPT_AGU): New target option.
3514         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
3515         (processor_type): Add PROCESSOR_ATOM.
3516
3517         * config/i386/i386.md (cpu): Add new value "atom".
3518         (use_carry, movu): New attr.
3519         (atom.md): Include atom.md.
3520         (adddi3_carry_rex64): Set attr "use_carry".
3521         (addqi3_carry): Likewise.
3522         (addhi3_carry): Likewise.
3523         (addsi3_carry): Likewise.
3524         (*addsi3_carry_zext): Likewise.
3525         (subdi3_carry_rex64): Likewise.
3526         (subqi3_carry): Likewise.
3527         (subhi3_carry): Likewise.
3528         (subsi3_carry): Likewise.
3529         (x86_movdicc_0_m1_rex64): Likewise.
3530         (*x86_movdicc_0_m1_se): Likewise.
3531         (x86_movsicc_0_m1): Likewise.
3532         (*x86_movsicc_0_m1_se): Likewise.
3533         (*adddi_1_rex64): Emit add insn as much as possible.
3534         (*addsi_1): Likewise.
3535         (return_internal): Set atom_unit.
3536         (return_internal_long): Likewise.
3537         (return_pop_internal): Likewise.
3538         (*rcpsf2_sse): Set atom_sse_attr attr.
3539         (*qrt<mode>2_sse): Likewise.
3540         (*prefetch_sse): Likewise.
3541
3542         * config/i386/i386-c.c (ix86_target_macros_internal): New case
3543         PROCESSOR_ATOM.
3544         (ix86_target_macros_internal): Likewise.
3545
3546         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
3547         (*prefetch_sse_rex): Likewise.
3548         (sse_rcpv4sf2): Likewise.
3549         (sse_vmrcpv4sf2): Likewise.
3550         (sse_sqrtv4sf2): Likewise.
3551         (<sse>_vmsqrt<mode>2): Likewise.
3552         (sse_ldmxcsr): Likewise.
3553         (sse_stmxcsr): Likewise.
3554         (*sse_sfence): Likewise.
3555         (sse2_clflush): Likewise.
3556         (*sse2_mfence): Likewise.
3557         (*sse2_lfence): Likewise.
3558         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
3559         (<sse>_movup<ssemodesuffixf2c>): Likewise.
3560         (avx_movdqu<avxmodesuffix>): Likewise.
3561         (avx_lddqu<avxmodesuffix>): Likewise.
3562         (sse2_movntv2di): Change attr "type" to "ssemov".
3563         (sse2_movntsi): Likewise.
3564         (rsqrtv8sf2): Change attr "type" to "sseadd".
3565         (sse3_addsubv2df3): Set attr "atom_unit".
3566         (sse3_h<plusminus_insn>v4sf3): Likewise.
3567         (*sse2_pmaddwd): Likewise.
3568         (*vec_extractv2di_1_rex64): Likewise.
3569         (*vec_extractv2di_1_avx): Likewise.
3570         (sse2_psadbw): Likewise.
3571         (ssse3_phaddwv8hi3): Likewise.
3572         (ssse3_phaddwv4hi3): Likewise.
3573         (ssse3_phadddv4si3): Likewise.
3574         (ssse3_phadddv2si3): Likewise.
3575         (ssse3_phaddswv8hi3): Likewise.
3576         (ssse3_phaddswv4hi3): Likewise.
3577         (ssse3_phsubwv8hi3): Likewise.
3578         (ssse3_phsubwv4hi3): Likewise.
3579         (ssse3_phsubdv4si3): Likewise.
3580         (ssse3_phsubdv2si3): Likewise.
3581         (ssse3_phsubswv8hi3): Likewise.
3582         (ssse3_phsubswv4hi3): Likewise.
3583         (ssse3_pmaddubsw128): Likewise.
3584         (sse3_pmaddubsw: Likewise.
3585         (ssse3_palignrti): Likewise.
3586         (ssse3_palignrdi): Likewise.
3587
3588 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
3589
3590         * doc/install.texi (Specific): Fix two cross-references to MinGW.
3591
3592 2009-04-06  Richard Guenther  <rguenther@suse.de>
3593
3594         PR tree-optimization/28868
3595         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
3596         of which PHI results we inserted.
3597         (insert_into_preds_of_block): Record inserted PHIs.
3598         (eliminate): Eliminate redundant PHI nodes.
3599         (init_pre): Init inserted_phi_names.
3600
3601 2009-04-06  Richard Guenther  <rguenther@suse.de>
3602
3603         PR tree-optimization/39643
3604         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
3605         IMAGPART_EXPRs of complex constants.
3606         (execute_fold_all_builtins): If we folded a call queue
3607         TODO_update_address_taken.
3608
3609 2009-04-06  Jan Hubicka  <jh@suse.cz>
3610
3611         PR middle-end/39659
3612         * except.c (remove_unreachable_regions): Propagate may_contain_throw
3613         flag.
3614
3615 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
3616
3617         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
3618         delay slot.
3619         (ic_invalidate_array): Likewise.
3620
3621 2009-04-06  Hariharan Sandanagobalane <hariharan@picochip.com>
3622
3623         * calls.c (emit_library_call_value_1): Fix a problem with parameter
3624         alignment for library calls.
3625
3626 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
3627
3628         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
3629         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
3630         * config/i386/mingw-stdint.h:  New file.
3631
3632 2009-04-05  Richard Guenther  <rguenther@suse.de>
3633
3634         PR tree-optimization/39648
3635         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
3636         our &A vs. &A[0] IL deficiencies.
3637
3638 2009-04-04  Jan Hubicka  <jh@suse.cz>
3639
3640         * except.c (sjlj_find_directly_reachable_regions): Be ready for
3641         removed toplevel regions.
3642         (sjlj_mark_call_sites): Likewise.
3643
3644 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
3645
3646         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
3647         (cygwin tm clause use_gcc_stdint):  Set to wrap.
3648         * config/i386/cygwin-stdint.h:  New file.
3649
3650 2009-04-04  Richard Guenther  <rguenther@suse.de>
3651
3652         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
3653         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
3654         single-argument PHIs if we are in loop-closed SSA form.
3655         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
3656         for the pre-condition.
3657         (slpeel_tree_peel_loop_to_edge): Likewise.
3658         (vect_build_loop_niters): Take an optional sequence to append stmts.
3659         (vect_generate_tmps_on_preheader): Likewise.
3660         (vect_do_peeling_for_loop_bound): Take extra guards for the
3661         pre-condition.
3662         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
3663         the cost model check.
3664         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
3665         guards if we are going to peel.  Do not apply versioning in that case.
3666         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
3667         (vect_do_peeling_for_loop_bound): Likewise.
3668         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
3669         loop bound only record extra pre-conditions, do not apply loop
3670         versioning.
3671
3672 2009-04-04  Richard Guenther  <rguenther@suse.de>
3673
3674         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
3675         renaming code.
3676
3677 2009-04-04  Jan Hubicka  <jh@suse.cz>
3678
3679         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
3680         last_basic_block for size of bb->index indexed array.
3681         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
3682         compute_out, link_btr_uses, build_btr_def_use_webs,
3683         build_btr_def_use_webs, migrate_btr_defs): Likewise.
3684
3685 2009-04-04  Jan Hubicka  <jh@suse.cz>
3686
3687         * except.c (remove_eh_handler_and_replace): Break out from ...
3688         (remove_eh_handler): ... here.
3689         (bring_to_root): New function.
3690         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
3691         handled ones, bring others to root of tree.
3692
3693 2009-04-04  Jan Hubicka  <jh@suse.cz>
3694
3695         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
3696         (all_phis_safe_to_merge): New function.
3697         (update_info): New structure.
3698         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
3699         (cleanup_empty_eh): Update SSA if possible.
3700
3701 2009-04-04  Richard Guenther  <rguenther@suse.de>
3702
3703         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
3704         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
3705         (append_vuse): Likewise.
3706
3707 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
3708
3709         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
3710         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
3711         instead of REG_UNSAVED for DW_CFA_undefined.
3712         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
3713         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
3714         outermost frame.
3715
3716 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
3717
3718         PR target/39501
3719         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
3720         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
3721         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
3722
3723 2009-04-04  Richard Guenther  <rguenther@suse.de>
3724
3725         PR tree-optimization/8781
3726         PR tree-optimization/37892
3727         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
3728         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
3729         (valueize_refs): Call it for *& valueizations.
3730         (shared_reference_ops_from_ref): Rename to ...
3731         (valueize_shared_reference_ops_from_ref): ... this and valueize.
3732         (shared_reference_ops_from_call): Rename to ...
3733         (valueize_shared_reference_ops_from_call): ... this and valueize.
3734         (vn_reference_lookup): Update.
3735         (visit_reference_op_call): Likewise.
3736         * tree-ssa-pre.c (phi_translate_1): Fold *&.
3737         (eliminate): Value-replace the call address in call statements.
3738
3739 2009-04-04  Richard Guenther  <rguenther@suse.de>
3740
3741         PR tree-optimization/39636
3742         * tree-ssa-forwprop.c
3743         (forward_propagate_addr_into_variable_array_index): Check for
3744         GIMPLE_ASSIGN before accessing the rhs code.
3745
3746 2009-04-03  Jason Merrill  <jason@redhat.com>
3747
3748         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
3749
3750 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
3751
3752         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
3753         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
3754         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
3755         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
3756         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
3757         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
3758         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
3759         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
3760         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
3761         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
3762         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
3763         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
3764         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
3765         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
3766         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
3767         Use fr_reg_or_fp01_operand instead of fr_register_operand
3768
3769         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
3770         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
3771         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
3772
3773 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
3774
3775         PR rtl-optimization/39607
3776         PR rtl-optimization/39631
3777
3778         Revert:
3779
3780         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
3781         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
3782         instead of DF_LR_OUT.
3783         * ira-lives.c (process_bb_node_lives): Ditto.
3784         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
3785         instead of DF_LR_{OUT,IN}.
3786         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
3787         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
3788
3789 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
3790
3791         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
3792         (execute_lower_omp): Always run but take the short way out if -fopenmp
3793         is not given.
3794         (gate_lower_omp): Remove, forcing the pass manager to always run the
3795         pass and always set PROP_gimple_lomp.
3796         (pass_lower_omp): Remove gate function.
3797         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
3798         PROP_trees.  Instead, require it.
3799         * ipa-cp.c (pass_ipa_cp): Likewise.
3800         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
3801         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
3802         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
3803         and PROP_gimple_leh.
3804
3805 2009-04-03  Richard Guenther  <rguenther@suse.de>
3806
3807         PR middle-end/13146
3808         PR tree-optimization/23940
3809         PR tree-optimization/33237
3810         PR middle-end/33974
3811         PR middle-end/34093
3812         PR tree-optimization/36201
3813         PR tree-optimization/36230
3814         PR tree-optimization/38049
3815         PR tree-optimization/38207
3816         PR tree-optimization/38230
3817         PR tree-optimization/38301
3818         PR tree-optimization/38585
3819         PR middle-end/38895
3820         PR tree-optimization/38985
3821         PR tree-optimization/39299
3822         * tree-ssa-structalias.h: Remove.
3823         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
3824         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
3825         (struct vuse_element_d): Remove.
3826         (struct vuse_vec_d): Likewise.
3827         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
3828         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
3829         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
3830         VUSE_ELEMENT_VAR): Likewise.
3831         (struct voptype_d): Likewise.
3832         (NUM_VOP_FREE_BUCKETS): Likewise.
3833         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
3834         (struct stmt_operands_d): Remove.
3835         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
3836         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
3837         VDEF_NUM, VDEF_VECT): Likewise.
3838         (copy_virtual_operands): Remove.
3839         (operand_build_cmp): Likewise.
3840         (create_ssa_artificial_load_stmt): Likewise.
3841         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
3842         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
3843         vuse_index and mayuse_index members.  Pack and move done and iter_type
3844         members to the front.
3845         (SSA_OP_VMAYUSE): Remove.
3846         (SSA_OP_VIRTUAL_USES): Adjust.
3847         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
3848         (unlink_stmt_vdef): Declare.
3849         (add_to_addressable_set): Remove.
3850         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
3851         (vrp_visit_stmt): Likewise.
3852         * doc/tree-ssa.texi (Alias analysis): Update.
3853         * doc/invoke.texi (max-aliased-vops): Remove docs.
3854         (avg-aliased-vops): Likewise.
3855         * tree-into-ssa.c (syms_to_rename): Remove.
3856         (need_to_update_vops_p): Likewise.
3857         (need_to_initialize_update_ssa_p): Rename to ...
3858         (update_ssa_initialized_fn): ... this.  Track function we are
3859         initialized for.
3860         (symbol_marked_for_renaming): Simplify.
3861         (add_new_name_mapping): Do not set need_to_update_vops_p.
3862         (dump_currdefs): Use SYMS_TO_RENAME.
3863         (rewrite_update_stmt): Always walk all uses/defs.
3864         (dump_update_ssa): Adjust.
3865         (init_update_ssa): Take function argument.  Track what we are
3866         initialized for.
3867         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
3868         (create_new_def_for): Initialize for cfun, assert we are initialized
3869         for cfun.
3870         (mark_sym_for_renaming): Simplify.
3871         (mark_set_for_renaming): Do not initialize update-ssa.
3872         (need_ssa_update_p): Simplify.  Take function argument.
3873         (name_mappings_registered_p): Assert we ask for the correct function.
3874         (name_registered_for_update_p): Likewise.
3875         (ssa_names_to_replace): Likewise.
3876         (release_ssa_name_after_update_ssa): Likewise.
3877         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
3878         (dump_decl_set): Do not print a newline.
3879         (debug_decl_set): Do it here.
3880         (dump_update_ssa): And here.
3881         * tree-ssa-loop-im.c (move_computations): Adjust.
3882         (movement_possibility): Likewise.
3883         (determine_max_movement): Likewise.
3884         (gather_mem_refs_stmt): Likewise.
3885         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
3886         or NAME_MEMORY_TAG.
3887         * tree-complex.c (update_all_vops): Remove.
3888         (expand_complex_move): Adjust.
3889         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
3890         Simplify test for memory referencing statement.  Exclude
3891         non-invariant ADDR_EXPRs.
3892         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
3893         * tree-loop-distribution.c (generate_memset_zero): Adjust.
3894         (rdg_flag_uses): Likewise.
3895         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
3896         related code.
3897         (tree_optimize_tail_calls_1): Also split the
3898         edge from the entry block if we have degenerate PHI nodes in
3899         the first basic block.
3900         * tree.c (init_ttree): Remove memory-tag related code.
3901         (tree_code_size): Likewise.
3902         (tree_node_structure): Likewise.
3903         (build7_stat): Re-write to be build6_stat.
3904         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
3905         (SSA_VAR_P): Adjust.
3906         (struct tree_memory_tag): Remove.
3907         (struct tree_memory_partition_tag): Likewise.
3908         (union tree_node): Adjust.
3909         (build7): Re-write to be build6.
3910         * tree-pass.h (pass_reset_cc_flags): Remove.
3911         (TODO_update_address_taken): New flag.
3912         (pass_simple_dse): Remove.
3913         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
3914         * params.h (MAX_ALIASED_VOPS): Remove.
3915         (AVG_ALIASED_VOPS): Likewise.
3916         * omp-low.c (expand_omp_taskreg): Update SSA form.
3917         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
3918         aliases the lhs in a copy stmt.
3919         * tree-ssa-dse.c (struct address_walk_data): Remove.
3920         (memory_ssa_name_same): Likewise.
3921         (memory_address_same): Likewise.
3922         (get_kill_of_stmt_lhs): Likewise.
3923         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
3924         unused stores.  Look through PHI nodes into post-dominated regions.
3925         (dse_optimize_stmt): Simplify.  Properly remove stores.
3926         (tree_ssa_dse): Compute dominators.
3927         (execute_simple_dse): Remove.
3928         (pass_simple_dse): Likewise.
3929         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
3930         gimple_loaded_syms and gimple_stored_syms computation.
3931         * toplev.c (dump_memory_report): Dump alias and pta stats.
3932         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
3933         (vn_reference_eq): Likewise.
3934         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
3935         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
3936         valueize_vuses): Remove.
3937         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
3938         (get_def_ref_stmt_vuse): ... this.
3939         (vn_reference_lookup_2): New function.
3940         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
3941         walking equivalent vuses.  Simplify.
3942         (vn_reference_lookup): Likewise.
3943         (vn_reference_insert): Likewise.
3944         (vn_reference_insert_pieces): Likewise.
3945         (visit_reference_op_call): Simplify.
3946         (visit_reference_op_load): Likewise.
3947         (visit_reference_op_store): Likewise.
3948         (init_scc_vn): Remove shared_lookup_vuses initialization.
3949         (free_scc_vn): Remove shared_lookup_vuses freeing.
3950         (sort_vuses, sort_vuses_heap): Remove.
3951         (get_ref_from_reference_ops): Export.
3952         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
3953         vector with single vuse pointer.
3954         (vn_reference_lookup_pieces, vn_reference_lookup,
3955         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
3956         (shared_vuses_from_stmt): Remove.
3957         (get_ref_from_reference_ops): Declare.
3958         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
3959         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
3960         memory-tag related code.
3961         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
3962         (likely_value): Add comment, skip static-chain of call statements.
3963         (surely_varying_stmt_p): Adjust.
3964         (gimplify_and_update_call_from_tree): Likewise.
3965         (execute_fold_all_builtins): Do not rebuild alias info.
3966         (gimplify_and_update_call_from_tree): Properly update VOPs.
3967         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
3968         (copy_ref_info): Remove memory-tag related code.
3969         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
3970         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
3971         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
3972         computation.
3973         * tree-ssa-dom.c (gimple_p): Remove typedef.
3974         (eliminate_redundant_computations): Adjust.
3975         (record_equivalences_from_stmt): Likewise.
3976         (avail_expr_hash): Likewise.
3977         (avail_expr_eq): Likewise.
3978         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
3979         (stmt_makes_single_load): Likewise.
3980         (stmt_makes_single_store): Likewise.
3981         * tree-ssa-alias.c: Rewrite completely.
3982         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
3983         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
3984         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
3985         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
3986         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
3987         Remove public functions.
3988         (pass_reset_cc_flags): Remove.
3989         (pass_build_alias): Move ...
3990         * tree-ssa-structalias.c (pass_build_alias): ... here.
3991         * tree-ssa-alias.c (may_be_aliased): Move ...
3992         * tree-flow-inline.h (may_be_aliased): ... here.
3993         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
3994         count_uses_and_derefs): Move ...
3995         * gimple.c: ... here.
3996         * gimple.h (count_uses_and_derefs): Declare.
3997         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
3998         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
3999         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
4000         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
4001         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
4002         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
4003         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
4004         New functions.
4005         * tree-dfa.c (refs_may_alias_p): Move ...
4006         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
4007         * tree-ssa-alias.h: New file.
4008         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
4009         (statement_sink_location): Likewise.
4010         * opts.c (decode_options): Do not adjust max-aliased-vops or
4011         avg-aliased-vops values.
4012         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
4013         (TV_CALL_CLOBBER): Likewise.
4014         (TV_FLOW_SENSITIVE): Likewise.
4015         (TV_FLOW_INSENSITIVE): Likewise.
4016         (TV_MEMORY_PARTITIONING): Likewise.
4017         (TV_ALIAS_STMT_WALK): New timevar.
4018         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
4019         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
4020         (get_address_description): Remove memory-tag related code.
4021         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
4022         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
4023         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
4024         and immediate uses in statements.  Document.
4025         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
4026         (dump_symbols): Remove.
4027         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
4028         * alias.c (get_deref_alias_set): New function split out from ...
4029         (get_alias_set): ... here.
4030         * alias.h (get_deref_alias_set): Declare.
4031         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
4032         type parameter.  Remove restrict pointer handling.  Create a
4033         ref-all pointer in case type-based alias sets do not conflict.
4034         (vect_analyze_data_refs): Remove SMT related code.
4035         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
4036         (vectorizable_load): Likewise.
4037         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
4038         (DR_SYMBOL_TAG, DR_VOPS): Remove.
4039         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
4040         Ignore vops and SMTs.
4041         (dr_analyze_alias): Likewise..
4042         (free_data_ref): Likewise.
4043         (create_data_ref): Likewise.
4044         (analyze_all_data_dependences): Likewise.
4045         (get_references_in_stmt): Adjust.
4046         * tree-flow-inline.h (gimple_aliases_computed_p,
4047         gimple_addressable_vars, gimple_call_clobbered_vars,
4048         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
4049         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
4050         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
4051         gimple_mem_ref_stats): Remove.
4052         (gimple_vop): New function.
4053         (op_iter_next_use): Remove vuses and mayuses cases.
4054         (op_iter_next_def): Remove vdefs case.
4055         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
4056         (clear_and_done_ssa_iter): Do not set removed fields.
4057         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
4058         Assert we are not iterating over vuses or vdefs if not also
4059         iterating over uses or defs.
4060         (op_iter_init_use): Likewise.
4061         (op_iter_init_def): Likewise.
4062         (op_iter_next_vdef): Remove.
4063         (op_iter_next_mustdef): Likewise.
4064         (op_iter_init_vdef): Likewise.
4065         (compare_ssa_operands_equal): Likewise.
4066         (link_use_stmts_after): Handle vuse operand.
4067         (is_call_used): Use is_call_clobbered.
4068         (is_call_clobbered): Global variables are always call clobbered,
4069         query the call-clobbers bitmap.
4070         (mark_call_clobbered): Ignore global variables.
4071         (clear_call_clobbered): Likewise.
4072         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
4073         virtual operands sanity check.
4074         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
4075         Remove.
4076         (TARGET_MEM_REF): Remove TMR_TAG operand.
4077         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
4078         Remove call-clobber related code.
4079         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
4080         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
4081         partitions or escape reason.
4082         (get_single_def_stmt, get_single_def_stmt_from_phi,
4083         get_single_def_stmt_with_phi): Remove.
4084         (dump_referenced_vars): Tidy.
4085         (get_ref_base_and_extent): Allow bare decls.
4086         (collect_dfa_stats): Adjust.
4087         * graphite.c (rename_variables_in_stmt): Adjust.
4088         (graphite_copy_stmts_from_block): Likewise.
4089         (translate_clast): Likewise.
4090         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
4091         (EXPR_DIES): New.
4092         (translate_vuse_through_block): Use the oracle.
4093         (phi_translate_1): Adjust.
4094         (value_dies_in_block_x): Use the oracle.  Cache the outcome
4095         in EXPR_DIES.
4096         (valid_in_sets): Check if the VUSE for
4097         a REFERENCE is available.
4098         (eliminate): Do not remove stmts during elimination,
4099         instead queue and remove them afterwards.
4100         (do_pre): Do not rebuild alias info.
4101         (pass_pre): Run TODO_rebuild_alias before PRE.
4102         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
4103         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
4104         (mark_all_v_defs_stmt): Remove.
4105         (mark_all_v_defs_seq): Adjust.
4106         (sra_replace): Likewise.
4107         (scalarize_use): Likewise.
4108         (scalarize_copy): Likewise.
4109         (scalarize_init): Likewise.
4110         (scalarize_ldst): Likewise.
4111         (todoflags): Remove.
4112         (tree_sra): Do not rebuild alias info.
4113         (tree_sra_early): Adjust.
4114         (pass_sra): Run TODO_update_address_taken before SRA.
4115         * tree-predcom.c (set_alias_info): Remove.
4116         (prepare_initializers_chain): Do not call it.
4117         (mark_virtual_ops_for_renaming): Adjust.
4118         (mark_virtual_ops_for_renaming_list): Remove.
4119         (initialize_root_vars): Adjust.
4120         (initialize_root_vars_lm): Likewise.
4121         (prepare_initializers_chain): Likewise.
4122         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
4123         (may_propagate_copy_into_stmt): Likewise.
4124         (merge_alias_info): Do nothing for now.
4125         (propagate_tree_value_into_stmt): Adjust.
4126         (stmt_may_generate_copy): Likewise.
4127         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
4128         not mark symbols for renaming.
4129         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
4130         with the same statement, make sure to update the new pointed-to one.
4131         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
4132         call statements, do not mark symbols for renaming.
4133         (mark_operand_necessary): Dump something.
4134         (ref_may_be_aliased): New function.
4135         (mark_aliased_reaching_defs_necessary_1): New helper function.
4136         (mark_aliased_reaching_defs_necessary): Likewise.
4137         (mark_all_reaching_defs_necessary_1): Likewise.
4138         (mark_all_reaching_defs_necessary): Likewise.
4139         (propagate_necessity): Do not process virtual PHIs.  For
4140         non-aliased loads mark all reaching definitions as necessary.
4141         For aliased loads and stores mark the immediate dominating
4142         aliased clobbers as necessary.
4143         (visited): New global static.
4144         (perform_tree_ssa_dce): Free visited bitmap after propagating
4145         necessity.
4146         (remove_dead_phis): Perform simple dead virtual PHI removal.
4147         (remove_dead_stmt): Properly unlink virtual operands when
4148         removing stores.
4149         (eliminate_unnecessary_stmts): Schedule PHI removal after
4150         stmt removal.
4151         * tree-ssa-ter.c (is_replaceable_p): Adjust.
4152         (process_replaceable): Likewise.
4153         (find_replaceable_in_bb): Likewise.
4154         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
4155         based on the single gimple vop.
4156         (verify_flow_insensitive_alias_info): Remove.
4157         (verify_flow_sensitive_alias_info): Likewise.
4158         (verify_call_clobbering): Likewise.
4159         (verify_memory_partitions): Likewise.
4160         (verify_alias_info): Likewise.
4161         (verify_ssa): Adjust..
4162         (execute_update_addresses_taken): Export.  Update SSA
4163         manually.  Optimize only when optimizing.  Use a local bitmap.
4164         (pass_update_address_taken): Remove TODO_update_ssa, add
4165         TODO_dump_func.
4166         (pass_update_address_taken): Just use TODO_update_address_taken.
4167         (init_tree_ssa): Do not initialize addressable_vars.
4168         (verify_ssa): Verify new VUSE / VDEF properties.
4169         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
4170         Do not call verify_alias_info.
4171         (delete_tree_ssa): Clear the VUSE, VDEF operands.
4172         Do not free the loaded and stored syms bitmaps.  Reset the escaped
4173         and callused solutions.  Do not free addressable_vars.
4174         Remove memory-tag related code.
4175         (warn_uninitialized_var): Aliases are always available.
4176         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
4177         * lambda-code.c (can_put_in_inner_loop): Adjust.
4178         (can_put_after_inner_loop): Likewise.
4179         (perfect_nestify): Likewise.
4180         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
4181         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
4182         (vectorizable_conversion): Do not mark symbols for renaming.
4183         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
4184         (expand_call_inline): Unlink the calls virtual operands before
4185         replacing it.
4186         (tree_function_versioning): Do not call update_ssa if we are not
4187         updating clones.  Simplify.
4188         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
4189         (propagate_with_phi): Likewise..
4190         * tree-outof-ssa.c (create_temp): Remove memory tag and call
4191         clobber code.  Assert we are not aliased or global.
4192         * tree-flow.h: Include tree-ssa-alias.h
4193         (enum escape_type): Remove.
4194         (struct mem_sym_stats_d): Likewise.
4195         (struct mem_ref_stats_d): Likewise.
4196         (struct gimple_df): Add vop member.  Remove global_var,
4197         call_clobbered_vars, call_used_vars, addressable_vars,
4198         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
4199         escaped and callused members.
4200         (struct ptr_info_def): Remove all members, add points-to solution
4201         member pt.
4202         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
4203         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
4204         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
4205         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
4206         (tree-ssa-alias.o): Likewise.
4207         (toplev.o): Add tree-ssa-alias.h
4208         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
4209         * gimple.c (gimple_set_bb): Fix off-by-one error.
4210         (is_gimple_reg): Do not handle memory tags.
4211         (gimple_copy): Also copy virtual operands.
4212         Delay updating the statement.  Do not reset loaded and stored syms.
4213         (gimple_set_stored_syms): Remove.
4214         (gimple_set_loaded_syms): Likewise.
4215         (gimple_call_copy_skip_args): Copy the virtual operands
4216         and mark the new statement modified.
4217         * tree-ssa-structalias.c (may_alias_p): Remove.
4218         (set_uids_in_ptset): Take the alias set to prune with as
4219         parameter.  Fold in the alias test of may_alias_p.
4220         (compute_points_to_sets): Compute whether a ptr is dereferenced
4221         in a local sbitmap.
4222         (process_constraint): Deal with &ANYTHING on the lhs, reject all
4223         other ADDRESSOF constraints on the lhs.
4224         (get_constraint_for_component_ref): Assert that we don't get
4225         ADDRESSOF constraints from the base of the reference.
4226         Properly generate UNKNOWN_OFFSET for DEREF if needed.
4227         (struct variable_info): Remove collapsed_to member.
4228         (get_varinfo_fc): Remove.
4229         (new_var_info): Do not set collapsed_to.
4230         (dump_constraint): Do not follow cycles.
4231         (dump_constraint_graph): Likewise.
4232         (build_pred_graph): Likewise.
4233         (build_succ_graph): Likewise.
4234         (rewrite_constraints): Likewise.
4235         (do_simple_structure_copy): Remove.
4236         (do_rhs_deref_structure_copy): Remove.
4237         (do_lhs_deref_structure_copy): Remove.
4238         (collapse_rest_of_var): Remove.
4239         (do_structure_copy): Re-implement.
4240         (pta_stats): New global variable.
4241         (dump_pta_stats): New function.
4242         (struct constraint_expr): Make offset signed.
4243         (UNKNOWN_OFFSET): Define special value.
4244         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
4245         (solution_set_expand): New helper function split out from ...
4246         (do_sd_constraint): ... here.
4247         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
4248         (do_ds_constraint): Likewise.
4249         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
4250         and CALLUSED = *CALLUSED.
4251         (set_union_with_increment): Make inc argument signed.
4252         (type_safe): Remove.
4253         (get_constraint_for_ptr_offset): Handle unknown and negative
4254         constant offsets.
4255         (first_vi_for_offset): Handle offsets before start.  Bail
4256         out early for offsets beyond the variable extent.
4257         (first_or_preceding_vi_for_offset): New function.
4258         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
4259         Together with ESCAPED = *ESCAPED this properly computes reachability.
4260         (find_what_var_points_to): New function.
4261         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
4262         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
4263         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
4264         pt_solutions_intersect): New functions.
4265         (compute_call_used_vars): Remove.
4266         (compute_may_aliases): New main entry into PTA computation.
4267         * gimple.h (gimple_p): New typedef.
4268         (struct gimple_statement_base): Remove references_memory_p.
4269         (struct gimple_statement_with_memory_ops_base): Remove
4270         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
4271         members.
4272         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
4273         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
4274         gimple_set_references_memory): Remove.
4275         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
4276         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
4277         New functions.
4278         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
4279         (verify_expr): Allow RESULT_DECL.
4280         (gimple_duplicate_bb): Do not copy virtual operands.
4281         (gimple_duplicate_sese_region): Adjust.
4282         (gimple_duplicate_sese_tail): Likewise.
4283         (mark_virtual_ops_in_region): Remove.
4284         (move_sese_region_to_fn): Do not call it.
4285         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
4286         and pass_simple_dse.
4287         (execute_function_todo): Handle TODO_update_address_taken,
4288         call execute_update_addresses_taken for TODO_rebuild_alias.
4289         (execute_todo): Adjust.
4290         (execute_one_pass): Init dump files early.
4291         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
4292         call-clobbered.
4293         (create_general_new_stmt): Clear vops.
4294         * tree-ssa-reassoc.c (get_rank): Adjust.
4295         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
4296         symbols for renaming.
4297         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
4298         (PARAM_AVG_ALIASED_VOPS): Likewise.
4299         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
4300         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
4301         * tree-ssa-operands.c: Simplify for new virtual operand representation.
4302         (operand_build_cmp, copy_virtual_operands,
4303         create_ssa_artificial_load_stmt, add_to_addressable_set,
4304         gimple_add_to_addresses_taken): Remove public functions.
4305         (unlink_stmt_vdef): New function.
4306
4307 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
4308
4309         * config.gcc (powerpc-*-linux*): Merge variants.
4310
4311 2009-04-02  Chao-ying Fu  <fu@mips.com>
4312             James Grosbach <james.grosbach@microchip.com>
4313
4314         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
4315         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
4316         cop0_sp_offset.
4317         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
4318         keep_interrupts_masked_p, use_debug_exception_return_p.
4319         (mips_attribute_table): Add interrupt, use_shadow_register_set,
4320         keep_interrupts_masked, use_debug_exception_return.
4321         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
4322         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
4323         New functions.
4324         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
4325         (mips_print_operand): Process COP0 registers to print $0 .. $31
4326         correctly for GAS to process.
4327         (mips_interrupt_extra_call_saved_reg_p): New function.
4328         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
4329         extra registers.
4330         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
4331         (mips_compute_frame_info): Add supports for interrupt context that
4332         includes doubleword accumulators and COP0 registers.
4333         (mips_for_each_saved_acc): New function.
4334         (mips_for_each_saved_gpr_and_fpr): Change the function name from
4335         mips_for_each_saved_reg.
4336         (mips_save_reg): Save accumulators.
4337         (mips_kernel_reg_p): A new for_each_rtx callback.
4338         (mips_expand_prologue): Support interrupt handlers.
4339         (mips_restore_reg): Restore accumulators.
4340         (mips_expand_epilogue): Support interrupt handlers.
4341         (mips_can_use_return_insn): Return false for interrupt handlers.
4342         (mips_epilogue_uses): New function.
4343         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
4344         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
4345         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
4346         cop0_move): New instructions.
4347         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
4348         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
4349         defines.
4350         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
4351         New defines.
4352         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
4353         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
4354         interrupt handlers, we use K0 as the temporary register.
4355         (EPILOGUE_USES): Change to a function call.
4356         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
4357         handlers, we use K0 as the temporary register.
4358
4359         * doc/extend.texi (Function Attributes): Document interrupt,
4360         use_shadow_register_set, keep_interrupts_masked,
4361         use_debug_exception_return for MIPS attributes.
4362
4363 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
4364
4365         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
4366         Remove a number of t-files from tmake_file.
4367         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
4368         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
4369         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
4370         target_prototype, not TARGET_PROTOTYPE.
4371         (LINK_OS_GNU_SPEC): Define.
4372         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
4373         and darwin-ldoubdle.c.
4374
4375 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
4376
4377         PR driver/39293
4378         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
4379         (cpp_options): Ditto.
4380         (default_compilers): Ditto.
4381         (display_help): Ditto.
4382         (process_command): Ditto.
4383         (do_spec_1): Ditto.
4384         (set_input): Use lbasename instead of duplicate code.
4385         (save_temps_prefix): New static for -save-temps=obj.
4386         (save_temps_length): Ditto.
4387
4388         * doc/invoke.texi (-save-temps=obj): Document new variant to
4389         -save-temps switch.
4390
4391 2009-04-02  Jeff Law  <law@redhat.com>
4392
4393         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
4394         variable.
4395
4396 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
4397
4398         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
4399         * configure: Regenerated.
4400
4401 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
4402
4403         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
4404         share the argument list.
4405
4406 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
4407
4408         Merge
4409
4410         2009-02-12  Diego Novillo  <dnovillo@google.com>
4411
4412         * varpool.c (debug_varpool): New.
4413         * cgraph.h (debug_varpool): Declare.
4414
4415 2009-04-02  Jan Hubicka  <jh@suse.cz>
4416
4417         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
4418         pass.
4419
4420 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
4421
4422         * config/i386/i386.c (ix86_abi): Move initialization to ...
4423         (override_options): Here.
4424
4425 2009-04-02  Christian Bruel  <christian.bruel@st.com>
4426
4427         * config/sh/sh.c (sh_dwarf_register_span): New function.
4428         (TARGET_DWARF_REGISTER_SPAN): Define.
4429         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
4430
4431 2009-04-02  Ira Rosen  <irar@il.ibm.com>
4432
4433         PR tree-optimization/39595
4434         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
4435         interleaved loads group is not  greater than the SLP group size.
4436
4437 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
4438
4439         * builtins.c (is_builtin_name): New.
4440         (called_as_built_in): Use is_builtin_name.
4441         * tree.h (is_builtin_name): New.
4442         * varasm.c (incorporeal_function_p): Use is_builtin_name
4443
4444 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
4445
4446         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
4447
4448 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
4449
4450         PR c++/26693
4451         * c-decl.c (clone_underlying_type): Move this ...
4452         * c-common.c (set_underlying_type): ... here.
4453         Also, make sure the function properly sets TYPE_STUB_DECL() on
4454         the newly created typedef variant type.
4455         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
4456         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
4457         points.
4458
4459 2009-04-02  Richard Guenther  <rguenther@suse.de>
4460
4461         PR tree-optimization/37221
4462         * tree-flow.h (degenerate_phi_result): Declare.
4463         * tree-ssa-dom.c (degenerate_phi_result): Export.
4464         * tree-scalar-evolution.c (analyze_initial_condition): If
4465         the initial condition is defined by a degenerate PHI node
4466         use the degenerate value.
4467
4468 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
4469
4470         PR rtl-optimization/39588
4471         * combine.c (merge_outer_ops): Do not set the constant when this
4472         is not necessary.
4473         (simplify_shift_const_1): Do not modify it either in this case.
4474
4475 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
4476
4477         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
4478         tuning is deprecated if -mtune value is set to an Itanium1 variant.
4479
4480 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
4481
4482         PR c/29027
4483         * c-lex.c (interpret_float): Default (no suffix) is double.
4484
4485 2009-04-1  Xinliang David Li  <davidxl@google.com>
4486
4487         * config/i386/i386.c (legitimate_constant_p): Recognize
4488         all one vector constant.
4489
4490 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
4491
4492         * gcc/config/vax/vax.c: Add #includes to silence warnings.
4493         Change #include order to silence two warnings.
4494
4495 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
4496
4497         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
4498         (ASM_SPEC): Pass -k to the assembler for PIC code.
4499
4500 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
4501
4502         * gcc/config.gcc: Add vax-*-linux* to the switch.
4503         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
4504         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
4505
4506 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
4507
4508         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
4509         Use predicate macros instead of GET_CODE() == foo.
4510         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
4511         ashlsi3, rotrsi3, <unnamed>): Likewise.
4512
4513 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
4514
4515         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
4516         jbbccihi, jbbccisi): Remova trailing whitespace.
4517         * gcc/config/vax/constraints.md: Likewise.
4518         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
4519         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
4520         * gcc/config/vax/predicates.md: Likewise.
4521         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
4522         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
4523         * gcc/config/vax/vax.h: Likewise.
4524         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
4525
4526 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
4527
4528         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
4529         (indirectable_address_p, adjacent_operands_p): Add spaces around
4530         braces.
4531         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
4532
4533 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
4534
4535         * gcc/config/vax/vax.c (legitimate_constant_address_p,
4536         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
4537         index_term_p, reg_plus_index_p, legitimate_address_p,
4538         vax_mode_dependent_address_p): Update comments to match functions
4539         modified by the recent int->bool conversion.
4540
4541 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
4542
4543         * gcc/config/vax/builtins.md: Update copyright message.
4544         * gcc/config/vax/constraints.md: Likewise.
4545         * gcc/config/vax/netbsd-elf.h: Likewise.
4546         * gcc/config/vax/predicates.md: Likewise.
4547         * gcc/config/vax/vax-protos.h: Likewise.
4548         * gcc/config/vax/vax.c: Likewise.
4549         * gcc/config/vax/vax.h: Likewise.
4550         * gcc/config/vax/vax.md: Likewise.
4551         * gcc/config/vax/vax.opt: Likewise.
4552
4553 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
4554
4555         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
4556         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
4557         * gcc/config/vax/constraints.md (B, R): Likewise.
4558         * gcc/config/vax/predicates.md (external_memory_operand,
4559         nonimmediate_addsub_di_operand): Likewise.
4560         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
4561         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
4562         untyped_call): Likewise.
4563
4564 2009-04-01  Matt Thomas <matt@3am-software.com>
4565
4566         * config/vax/predicates.md: New file.
4567         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
4568         external_const_operand, nonsymbolic_operand, external_memory_operand,
4569         indirect_memory_operand, indexed_memory_operand,
4570         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
4571         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
4572         predicate.
4573         * config/vax/constraints.md: New file.
4574         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
4575         New constraint.
4576         * config/vax/builtins.md: New file.
4577         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
4578         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
4579         jbbccisi): Define.
4580         * config/vax/vax.opt (mqmath): Add option.
4581         * config/vax/vax.md (isfx): Extend with DI.
4582         (VAXintQH, VAXintQHSD): Define.
4583         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
4584         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
4585         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
4586         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
4587         (movdi): Update constraints and use vax_output_int_move().
4588         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
4589         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
4590         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
4591         nonlocal_goto): New.
4592         (mov<mode>): Extend accepted operand types.
4593         (subdi3_old): Rename from subdi3, change update constraints and use
4594         a new implementation.
4595         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
4596         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
4597         MOVE_RATIO, CLEAR_RATIO): Define.
4598         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
4599         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4600         (PRINT_OPERAND): Redefine using a function instead of inlined code.
4601         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
4602         (split_quadword_operands): Make static and really allow variable
4603         splitting.
4604         (print_operand_address): Update for PIC generation.
4605         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
4606         indexable_address_p, fixup_mathdi_operand,
4607         vax_expand_addsub_di_operands, adjacent_operands_p): New.
4608         (vax_float_literal, legitimate_constant_p,
4609         indirectable_constant_address_p, index_term_p,
4610         reg_plus_index_p): Return bool instead of int.
4611         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
4612         where needed.
4613         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
4614         generation.
4615         (vax_output_conditional_branch): Indent.
4616         (legitimate_constant_address_p, indirectable_constant_address_p,
4617         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
4618         vax_mode_dependent_address_p): Return bool instead of int, update for
4619         PIC generation.
4620         * config/vax/vax-protos.h (legitimate_constant_address_p,
4621         legitimate_constant_p, legitimate_address_p,
4622         vax_mode_dependent_address_p): Change declaration to bool.
4623         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
4624         vax_expand_addsub_di_operands, vax_output_int_subtract,
4625         vax_output_movmemsi): Declare.
4626         (split_quadword_operands, vax_float_literal): Delete declaration.
4627         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
4628         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
4629         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
4630         ASM_OUTPUT_DWARF_PCREL): Define.
4631         (ASM_SPEC): Change definition to allow PIC generation.
4632
4633 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
4634
4635         * doc/sourcebuild.texi: Update front-end requirements.
4636
4637 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
4638
4639         PR target/39226
4640         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
4641         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
4642         (booldi3_internal3): Use boolean_or_operator instead of
4643         boolean_operator.
4644
4645 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
4646
4647         PR c/39605
4648         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
4649         declarator whose size is not an integer constant expression but
4650         folds to an integer constant, then treat it as a constant
4651         subsequently.
4652
4653 2009-04-01  Richard Guenther  <rguenther@suse.de>
4654
4655         * fold-const.c (fold_plusminus_mult_expr): Do not fold
4656         i * 4 + 2 to (i * 2 + 1) * 2.
4657
4658 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
4659
4660         PR c/37772
4661         * c-parser.c (c_parser_asm_statement): Skip until close paren and
4662         return if c_parser_asm_string_literal returned NULL.
4663
4664 2009-04-01  Nick Clifton  <nickc@redhat.com>
4665
4666         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
4667         already defined.
4668         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
4669         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
4670         other typedefs to avoid conflicts with libgcc2.c.  Define labels
4671         to gain 16-bit bit-manipulation functions from libgcc2.c and then
4672         include it.
4673         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
4674         to gain 16-bit trapping arithmetic functions from libgcc2.c and
4675         then include it.
4676
4677 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
4678
4679         * varasm.c (default_function_rodata_section): Declare DOT as
4680         const char*.
4681
4682 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
4683             Andrey Galkin <agalkin@hypercom.com>
4684
4685         PR/39492
4686         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
4687         Make object_name unique for each process.
4688
4689 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
4690
4691         PR other/39591
4692         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
4693         addressable variables in the parallel that could go out of scope while
4694         running queued tasks.
4695
4696 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
4697
4698         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
4699         (CASE_VALUES_THRESHOLD): Redefine.
4700         * config/avr/avr.c (avr_override_options): Remove initialization of
4701         avr_case_values_threshold variable.
4702         (avr_case_values_threshold): Remove variable. Add new function.
4703         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
4704         * config/avr/avr.opt (mno-tablejump): Remove option.
4705         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
4706
4707 2009-04-01  DJ Delorie  <dj@redhat.com>
4708
4709         * varasm.c (default_function_rodata_section): Don't assume
4710         anything about where the first '.' in the section name is.
4711
4712 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
4713
4714         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
4715         rs6000_emit_stack_tie.
4716
4717 2009-03-31  Ian Lance Taylor  <iant@google.com>
4718
4719         * tree-eh.c (tree_remove_unreachable_handlers): Compare
4720         gimple_code with GIMPLE_RESX, not RESX.
4721
4722 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
4723
4724         * c-common.c (c_get_ident): New.
4725         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
4726
4727 2009-04-01  Ben Elliston  <bje@au.ibm.com>
4728
4729         * config/rs6000/sysv4.opt (msdata): Improve option description.
4730
4731 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
4732
4733         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
4734         (divdf3_internal_lat): Remove.
4735         (divxf3_internal_lat): Remove.
4736         (divxf3_internal_thr): Remove.
4737         (divxf): Use divxf3_internal.
4738         * config/ia64/div.md (divsf3_internal_lat): New.
4739         (divdf3_internal_lat): New.
4740         (divxf3_internal): New.
4741
4742 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
4743
4744         PR c/448
4745         * Makefile.in (USE_GCC_STDINT): Define.
4746         (stmp-int-hdrs): Install stdint.h if applicable.
4747         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
4748         if known.
4749         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
4750         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
4751         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
4752         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
4753         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
4754         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
4755         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
4756         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
4757         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
4758         (c_common_nodes_and_builtins): Initialize
4759         underlying_wchar_type_node.  Do not initialize
4760         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
4761         nodes for new types.
4762         (c_stddef_cpp_builtins): Define macros for new types.
4763         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
4764         Remove.
4765         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
4766         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
4767         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
4768         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
4769         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
4770         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
4771         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
4772         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
4773         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
4774         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
4775         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
4776         int16_type_node, int32_type_node, int64_type_node,
4777         uint8_type_node, uint16_type_node, c_uint32_type_node,
4778         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
4779         int_least32_type_node, int_least64_type_node,
4780         uint_least8_type_node, uint_least16_type_node,
4781         uint_least32_type_node, uint_least64_type_node,
4782         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
4783         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
4784         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
4785         uintptr_type_node): Define.
4786         * c-cppbuiltin.c (builtin_define_constants,
4787         builtin_define_type_minmax): New.
4788         (builtin_define_stdint_macros): Define more macros.
4789         (c_cpp_builtins): Define more limit macros.
4790         (type_suffix): New.
4791         (builtin_define_type_max): Define in terms of
4792         builtin_define_type_minmax.  Remove is_long parameter.  All
4793         callers changed.
4794         * config.gcc (use_gcc_stdint): Define.
4795         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
4796         Add newlib-stdint.h for generic targets.
4797         * config/glibc-stdint.h, config/newlib-stdint.h,
4798         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
4799         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
4800         * config/score/score.h (UINTPTR_TYPE): Define.
4801         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
4802         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
4803         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
4804         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
4805         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
4806         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
4807         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
4808         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
4809         * config/spu/spu.h (STDINT_LONG32): Define.
4810         * configure.ac (use_gcc_stdint): Substitute.
4811         * configure: Regenerate.
4812         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
4813         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
4814         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
4815         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
4816         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
4817         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
4818         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
4819         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
4820         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
4821         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
4822         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
4823         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
4824         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
4825         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
4826         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
4827         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
4828         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
4829         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
4830         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
4831         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
4832         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
4833         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
4834         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
4835         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
4836         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
4837         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
4838         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
4839         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
4840         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
4841
4842 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
4843
4844         * loop-iv.c (suitable_set_for_replacement): Renamed from
4845         simplify_using_assignment; changed to return bool and to accept new
4846         args DEST and SRC.  Return true iff we find a source/destination pair
4847         that can be used to make a replacement, and fill SRC and DEST if so.
4848         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
4849         changed.
4850         (simplify_using_initial_values): Deal with altered regs here and track
4851         more precisely the effect they have on the validity of our expression.
4852
4853         * loop-iv.c (simplify_using_condition): A condition of the form
4854         (EQ REG CONST) can be used to simply make a substitution.
4855         (simplify_using_initial_values): Keep track of conditions we have seen
4856         and keep using them to simplify new expressions, while applying the
4857         same substitutions to them as to the expression.
4858
4859         * simplify-rtx.c (simplify_relational_operation_1): Simplify
4860         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
4861         GEU/LTU reversed.
4862
4863         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
4864         changed.  Use this when trying to improve the upper bound.
4865         Generate the comparison by using simplify_gen_relational.
4866
4867         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
4868
4869         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
4870         functions.
4871         (simplify_using_assignment, simplify_using_initial_values): Call
4872         replace_in_expr to make replacements.  Call replace_single_def_regs
4873         once on the initial version of the expression.
4874
4875 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4876
4877         PR target/27237
4878         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
4879
4880 2009-03-31  Richard Guenther  <rguenther@suse.de>
4881
4882         PR middle-end/31029
4883         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
4884         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
4885
4886 2009-03-31  Richard Guenther  <rguenther@suse.de>
4887
4888         * tree.h (div_if_zero_remainder): Declare.
4889         * fold-const.c (div_if_zero_remainder): Export.
4890         * tree-ssa-forwprop.c
4891         (forward_propagate_addr_into_variable_array_index): Handle
4892         constant array index addition outside of the variable index.
4893
4894 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
4895
4896         PR target/39592
4897         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
4898         define_splits, floatunssi<mode>2): Require x87 conversions from
4899         DImode to be permitted.
4900
4901 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
4902
4903         PR preprocessor/15638
4904         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
4905
4906 2009-03-31  Richard Guenther  <rguenther@suse.de>
4907
4908         PR middle-end/23401
4909         PR middle-end/27810
4910         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
4911         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
4912         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
4913         a separate statement.
4914         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
4915         (lookup_tmp_var): Likewise.
4916         (is_gimple_formal_tmp_or_call_rhs): Remove.
4917         (is_gimple_reg_or_call_rhs): Rename to ...
4918         (is_gimple_reg_rhs_or_call): ... this.
4919         (is_gimple_mem_or_call_rhs): Rename to ...
4920         (is_gimple_mem_rhs_or_call): ... this.
4921         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
4922         DECL_GIMPLE_REG_P only if is_formal is true.
4923         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
4924         for non-proper post-modify expression gimplification.
4925         (gimplify_self_mod_expr): For post-modify expressions gimplify
4926         the lvalue to a minimal lvalue.
4927         (rhs_predicate_for): Remove formal temp case.
4928         (gimplify_modify_expr_rhs): Likewise.
4929         (gimplify_addr_expr): Use is_gimple_reg.
4930         (gimplify_expr): Remove formal temp cases.
4931         (gimple_regimplify_operands): Likewise.
4932         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
4933         and FILTER_EXPR like constants.
4934         * gimple.c (walk_gimple_op): Fix val_only initialization, use
4935         is_gimple_reg.
4936         (is_gimple_formal_tmp_rhs): Remove.
4937         (is_gimple_reg_rhs): Remove special casing.
4938         (is_gimple_mem_rhs): Fix.
4939         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
4940         (is_gimple_formal_tmp_var): Remove.
4941         (is_gimple_formal_tmp_reg): Likewise.
4942         (is_gimple_min_lval): Allow invariant component ref parts.
4943         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
4944         is_gimple_formal_tmp_reg): Remove declarations.
4945         * tree-cfg.c (verify_expr): Verify that variables with address
4946         taken do not have DECL_GIMPLE_REG_P set.
4947         * tree-mudflap.c (mf_build_check_statement_for): Use
4948         force_gimple_operand instead of gimplify_expr.
4949
4950 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
4951
4952         * modulo-sched.c (sms_schedule_by_order): Pass the actual
4953         schedulable rows to compute_split_row.
4954
4955 2009-03-31  Ben Elliston  <bje@au.ibm.com>
4956
4957         PR target/31635
4958         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
4959         OPT_mvrsave.
4960
4961 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
4962
4963         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
4964         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
4965         * configure: Regenerate.
4966         * config.in: Regenerate.
4967         * config/rs6000/rs6000.opt (mtls-markers): Add.
4968         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
4969         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
4970         (tls_ld_aix, tls_ld_sysv): Likewise.
4971         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
4972         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
4973
4974 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
4975
4976         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
4977
4978 2009-03-30  Jan Hubicka  <jh@suse.cz>
4979
4980         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
4981         out of RESX.
4982         (tree_remove_unreachable_handlers): Cleanup EH predecestor
4983         detection and label handling.
4984
4985 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
4986
4987         * ira-int.h (ira_allocno): Rename left_conflicts_num to
4988         left_conflicts_size.
4989         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
4990         ALLOCNO_LEFT_CONFLICTS_SIZE.
4991
4992         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
4993         remove_allocno_from_bucket_and_push,
4994         allocno_spill_priority_compare, push_allocnos_to_stack,
4995         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
4996         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
4997         (setup_allocno_left_conflicts_num): Ditto.  Rename to
4998         setup_allocno_left_conflicts_size.
4999         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
5000         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
5001         setup_allocno_left_conflicts_size instead of
5002         setup_allocno_left_conflicts_num.
5003
5004         * ira-build.c (ira_create_allocno): Use
5005         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
5006         ALLOCNO_LEFT_CONFLICTS_NUM.
5007
5008 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
5009
5010         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
5011         instead of DF_LR_OUT.
5012
5013         * ira-lives.c (process_bb_node_lives): Ditto.
5014
5015         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
5016         instead of DF_LR_{OUT,IN}.
5017
5018         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
5019
5020         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
5021
5022 2009-03-30  Jan Hubicka  <jh@suse.cz>
5023
5024         * except.c (label_to_region_map): Fix thinko.
5025
5026 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
5027
5028         PR middle-end/38237
5029         * tree.h (tree_find_value): New declaration.
5030         * tree.c (tree_find_value): New function.
5031         * varasm.c (assemble_external): Avoid duplicate entries on lists.
5032
5033 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
5034
5035         PR debug/39563
5036         * c-decl.c (struct c_binding): Add locus field.
5037         (bind): Add locus argument, set locus field from it.
5038         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
5039         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
5040         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
5041         implicitly_declare, undeclared_variable, lookup_label,
5042         declare_label, c_make_fname_decl, c_builtin_function,
5043         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
5044         bind callers.
5045
5046 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
5047
5048         PR target/38781
5049         * config/i386/i386.c (classify_argument): Check total size of
5050         structure.
5051
5052 2009-03-30  Martin Jambor  <mjambor@suse.cz>
5053
5054         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
5055         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
5056         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
5057         respectively.
5058
5059         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
5060         seen_variable_array_ref while also traversing a union.
5061
5062         * tree-inline.c (optimize_inline_calls): Do not call
5063         cgraph_node_remove_callees.
5064         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
5065         (pass_remove_cgraph_callee_edges): New variable.
5066         * passes.c (init_optimization_passes): Add
5067         pass_remove_cgraph_callee_edges after early inlining and before all
5068         late intraprocedural passes.
5069
5070         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
5071
5072 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
5073
5074         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
5075         Fix typos in names.
5076
5077 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
5078
5079         * combine.c (simplify_comparison): Use have_insn_for.
5080         * dojump.c (do_jump): Likewise.
5081
5082 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
5083
5084         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
5085         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
5086         sparc_compare_op0 like sparc_compare_emitted used to be handled.
5087         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
5088         instead of sparc_compare_emitted.
5089         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
5090         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
5091         instead of sparc_compare_emitted.
5092
5093 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
5094
5095         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
5096         enter/exit cfglayout mode.
5097         (pass_partition_block): Require it.
5098         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
5099         (combine_instructions): Track basic blocks instead of labels.
5100         (update_cfg_for_uncondjump): New.
5101         (try_combine): Use it.  Update jumps after rescanning.
5102         (pass_combine): Require PROP_cfglayout.
5103         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
5104
5105 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
5106
5107         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
5108         Provide/destroy PROP_cfglayout respectively.
5109         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
5110         * tree-pass.h (PROP_cfglayout): New.
5111
5112 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
5113
5114         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
5115         fold_convert_const_fixed_from_fixed,
5116         fold_convert_const_fixed_from_int,
5117         fold_convert_const_fixed_from_real, fold_negate_const): Do not
5118         set TREE_CONSTANT_OVERFLOW.
5119         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
5120         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
5121
5122 2009-03-30  Ira Rosen  <irar@il.ibm.com>
5123
5124         * tree-vect-loop-manip.c: New file.
5125         * tree-vectorizer.c: Update documentation and included files.
5126         (vect_loop_location): Make extern.
5127         (rename_use_op): Move to tree-vect-loop-manip.c
5128         (rename_variables_in_bb, rename_variables_in_loop,
5129         slpeel_update_phis_for_duplicate_loop,
5130         slpeel_update_phi_nodes_for_guard1,
5131         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
5132         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
5133         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
5134         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
5135         find_loop_location): Likewise.
5136         (new_stmt_vec_info): Move to tree-vect-stmts.c.
5137         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
5138         get_vectype_for_scalar_type, vect_is_simple_use,
5139         supportable_widening_operation, supportable_narrowing_operation):
5140         Likewise.
5141         (bb_in_loop_p): Move to tree-vect-loop.c.
5142         (new_loop_vec_info, destroy_loop_vec_info,
5143         reduction_code_for_scalar_code, report_vect_op,
5144         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
5145         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
5146         (vect_supportable_dr_alignment): Likewise.
5147         * tree-vectorizer.h (tree-data-ref.h): Include.
5148         (vect_loop_location): Declare.
5149         Reorganize function declarations according to the new file structure.
5150         * tree-vect-loop.c: New file.
5151         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
5152         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
5153         * tree-vect-data-refs.c: New file.
5154         * tree-vect-patterns.c (timevar.h): Don't include.
5155         * tree-vect-stmts.c: New file.
5156         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
5157         tree-vect-slp.c, tree-vect-loop.c.
5158         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
5159         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
5160         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
5161         (tree-vect-analyze.o): Remove.
5162         (tree-vect-transform.o): Likewise.
5163         (tree-vect-data-refs.o): Add rule.
5164         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
5165         tree-vect-slp.o): Likewise.
5166         (tree-vect-patterns.o): Remove redundant dependencies.
5167         (tree-vectorizer.o): Likewise.
5168         * tree-vect-slp.c: New file.
5169
5170 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5171
5172         * optc-gen.awk: Warn if an option flag has multiple different
5173         help strings.
5174
5175 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
5176
5177         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
5178         -floop-block): Document dependences on PPL, CLooG and Graphite.
5179
5180 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
5181
5182         PR rtl-optimization/323
5183         * c-common.c (c_fully_fold, convert_and_check,
5184         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
5185         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
5186         * c-common.def (EXCESS_PRECISION_EXPR): New.
5187         * c-cppbuiltin.c (builtin_define_float_constants): Define
5188         constants with enough digits for long double.
5189         * c-lex.c (interpret_float): Interpret constant with excess
5190         precision where appropriate.
5191         * c-opts.c (c_common_post_options): Set
5192         flag_excess_precision_cmdline.  Give an error for
5193         -fexcess-precision=standard for C++ for processors where the
5194         option is significant.
5195         * c-parser.c (c_parser_conditional_expression): Handle excess
5196         precision in condition.
5197         * c-typeck.c (convert_arguments): Handle arguments with excess
5198         precision.
5199         (build_unary_op): Move excess precision outside operation.
5200         (build_conditional_expr): Likewise.
5201         (build_compound_expr): Likewise.
5202         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
5203         (build_modify_expr): Handle excess precision in RHS.
5204         (convert_for_assignment): Handle excess precision in converted
5205         value.
5206         (digest_init, output_init_element, process_init_element): Handle
5207         excess precision in initializer.
5208         (c_finish_return): Handle excess precision in return value.
5209         (build_binary_op): Handle excess precision in operands and add
5210         excess precision as needed for operation.
5211         * common.opt (-fexcess-precision=): New option.
5212         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
5213         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
5214         For standard excess precision, output explicit conversion to and
5215         truncation from XFmode.
5216         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
5217         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
5218         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
5219         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
5220         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
5221         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
5222         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
5223         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
5224         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
5225         define_splits, sqrt<mode>2): Disable where appropriate for
5226         standard excess precision.
5227         * convert.c (convert_to_real): Do not shorten arithmetic to type
5228         for which excess precision would be used.
5229         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
5230         * doc/invoke.texi (-fexcess-precision=): Document option.
5231         (-mfpmath=): Correct index entry.
5232         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
5233         flag_excess_precision): New.
5234         * langhooks.c (lhd_post_options): Set
5235         flag_excess_precision_cmdline.
5236         * opts.c (common_handle_option): Handle -fexcess-precision=.
5237         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
5238         init_excess_precision): New.
5239         (lang_dependent_init_target): Call init_excess_precision.
5240         * tree.c (excess_precision_type): New.
5241         * tree.h (excess_precision_type): Declare.
5242
5243 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
5244
5245         PR c/35235
5246         * c-typeck.c (build_component_ref): Do not copy qualifiers from
5247         non-lvalue to component.
5248
5249 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
5250
5251         PR preprocessor/34695
5252         * Makefile.in (c-opts.o): Depend on c-tree.h.
5253         * c-common.c: Move down include of diagnostic.h.
5254         (done_lexing, c_cpp_error): New.
5255         * c-common.h (done_lexing): Declare.
5256         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
5257         (parse_in).
5258         * c-opts.c: Include c-tree.h.
5259         (c_common_init_options): Set preprocessor error callback.
5260         (c_common_handle_option): Do not set preprocessor
5261         inhibit_warnings, warnings_are_errors, warn_system_headers,
5262         pedantic_errors or inhibit_warnings flags.
5263         (c_common_post_options): Do not check cpp_errors (parse_in).
5264         (c_common_finish): Do not output dependencies if there were
5265         errors.  Do not check return value of cpp_finish.
5266         * c-ppoutput.c (pp_file_change): Set input_location.
5267         * c-tree.h (c_cpp_error): Declare.
5268         * diagnostic.c (diagnostic_set_info_translated): Also initialize
5269         override_column.
5270         (diagnostic_build_prefix): Check override_column.
5271         * diagnostic.h (diagnostic_info): Add override_column field.
5272         (diagnostic_override_column): Define.
5273
5274 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
5275
5276         * c-common.c (c_expand_expr, c_staticp): Remove.
5277         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
5278         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
5279         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
5280         * c-gimplify.c (gimplify_compound_literal_expr,
5281         optimize_compound_literals_in_ctor): Remove.
5282         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
5283         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
5284         * c-semantics.c (emit_local_var): Remove.
5285
5286         * langhooks-def.h (lhd_expand_expr): Remove.
5287         * langhooks.c (lhd_expand_expr): Remove.
5288         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
5289
5290         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
5291         handling from c-semantics.c; don't call into langhook.
5292         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
5293         * gimplify.c (gimplify_compound_literal_expr,
5294         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
5295         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
5296         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
5297         as was done in c-gimplify.c.
5298         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
5299         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
5300         Move from c-common.h.
5301         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
5302
5303         * tree.c (staticp): Do not call langhook.
5304         * langhooks.c (lhd_staticp): Delete.
5305         * langhooks-def.h (lhd_staticp): Delete prototype.
5306         (LANG_HOOKS_STATICP): Delete.
5307         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
5308
5309         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
5310         instead of DECL_STMTs.
5311
5312 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
5313
5314         PR c/456
5315         PR c/5675
5316         PR c/19976
5317         PR c/29116
5318         PR c/31871
5319         PR c/35198
5320         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
5321         void_type_node.
5322         (fold_call_expr): Return a NOP_EXPR from folding rather than the
5323         contained expression.
5324         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
5325         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
5326         conditional expressions for C.
5327         (decl_constant_value_for_optimization): Move from
5328         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
5329         whether optimizing and that the expression is a VAR_DECL not of
5330         array type instead of doing such checks in the caller.  Do not
5331         check pedantic.  Call gcc_unreachable for C++.
5332         * c-common.def (C_MAYBE_CONST_EXPR): New.
5333         * c-common.h (c_fully_fold, c_save_expr,
5334         decl_constant_value_for_optimization): New prototypes.
5335         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
5336         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
5337         EXPR_INT_CONST_OPERANDS): Define.
5338         * c-convert.c (convert): Strip nops from expression.
5339         * c-decl.c (groktypename): Take extra parameters expr and
5340         expr_const_operands.  Update call to grokdeclarator.
5341         (start_decl): Update call to grokdeclarator.  Add statement for
5342         expressions used in type of decl.
5343         (grokparm): Update call to grokdeclarator.
5344         (push_parm_decl): Update call to grokdeclarator.
5345         (build_compound_literal): Add parameter non_const and build a
5346         C_MAYBE_COSNT_EXPR if applicable.
5347         (grokdeclarator): Take extra parameters expr and
5348         expr_const_operands.  Track expressions used in declaration
5349         specifiers and declarators.  Fold array sizes and track whether
5350         they are constant expressions and whether they are integer
5351         constant expressions.
5352         (parser_xref_tag): Set expr and expr_const_operands fields in
5353         return value.
5354         (grokfield): Update call to grokdeclarator.
5355         (start_function): Update call to grokdeclarator.
5356         (build_null_declspecs): Set expr and expr_const_operands fields in
5357         return value.
5358         (declspecs_add_type): Handle expressions in typeof specifiers.
5359         * c-parser.c (c_parser_declspecs): Set expr and
5360         expr_const_operands fields for declaration specifiers.
5361         (c_parser_enum_specifier): Likewise.
5362         (c_parser_struct_or_union_specifier): Likewise.
5363         (c_parser_typeof_specifier): Likewise.  Update call to
5364         groktypename.  Fold expression as needed.  Return expressions with
5365         type instead of adding statements.
5366         (c_parser_attributes): Update calls to c_parser_expr_list.
5367         (c_parser_statement_after_labels): Fold expression before passing
5368         to objc_build_throw_stmt.
5369         (c_parser_condition): Fold expression.
5370         (c_parser_asm_operands): Fold expression.
5371         (c_parser_conditional_expression): Use c_save_expr.  Update call
5372         to build_conditional_expr.
5373         (c_parser_alignof_expression): Update call to groktypename.
5374         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
5375         original_code.  Fold expression argument of va_arg.  Create
5376         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
5377         argument to va_arg.  Update calls to groktypename.  Fold array
5378         index for offsetof.  Verify that first argument to
5379         __builtin_choose_expr has integer type.
5380         (c_parser_postfix_expression_after_paren_type): Update calls to
5381         groktypename and build_compound_literal.  Handle expressions with
5382         side effects in type name.
5383         (c_parser_postfix_expression_after_primary): Update call to
5384         c_parser_expr_list.  Set original_code for calls to
5385         __builtin_constant_p.
5386         (c_parser_expr_list): Take extra parameter fold_p.  Fold
5387         expressions if requested.
5388         (c_parser_objc_type_name): Update call to groktypename.
5389         (c_parser_objc_synchronized_statement): Fold expression.
5390         (c_parser_objc_receiver): Fold expression.
5391         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
5392         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
5393         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
5394         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
5395         (struct c_typespec): Add elements expr and expr_const_operands.
5396         (struct c_declspecs): Add elements expr and expr_const_operands.
5397         (groktypename, build_conditional_expr, build_compound_literal):
5398         Update prototypes.
5399         (in_late_binary_op): Declare.
5400         * c-typeck.c (note_integer_operands): New function.
5401         (in_late_binary_op): New variable.
5402         (decl_constant_value_for_broken_optimization): Move to c-common.c
5403         and rename to decl_constant_value_for_optimization.
5404         (default_function_array_conversion): Do not strip nops.
5405         (default_conversion): Do not call
5406         decl_constant_value_for_broken_optimization.
5407         (build_array_ref): Do not fold result.
5408         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
5409         result when operand is a VLA.
5410         (c_expr_sizeof_type): Update call to groktypename.  Handle
5411         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
5412         result when operand names a VLA type.
5413         (build_function_call): Update call to build_compound_literal.
5414         Only fold result for calls to __builtin_* functions.  Strip
5415         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
5416         the function designator.
5417         (convert_arguments): Fold arguments.  Update call to
5418         convert_for_assignment.
5419         (build_unary_op): Handle increment and decrement of
5420         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
5421         decrement earlier.  Fold operand of increment and decrement.
5422         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
5423         built for integer operand.  Wrap returns that are INTEGER_CSTs
5424         without being integer constant expressions or that have integer
5425         constant operands without being INTEGER_CSTs.
5426         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
5427         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
5428         result is an integer constant expression or can be used in
5429         unevaluated parts of one and avoid folding and wrap as
5430         appropriate.  Fold operands before possibly doing -Wsign-compare
5431         warnings.
5432         (build_compound_expr): Wrap result for C99 if operands can be used
5433         in integer constant expressions.
5434         (build_c_cast): Update call to digest_init.  Do not ignore
5435         overflow from casting floating-point constants to integers.  Wrap
5436         results that could be confused with integer constant expressions,
5437         null pointer constants or floating-point constants.
5438         (c_cast_expr): Update call to groktypename.  Handle expressions
5439         included in type name.
5440         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
5441         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
5442         Update calls to convert_for_assignment.
5443         (convert_for_assignment): Take new parameter
5444         null_pointer_constant.  Do not strip nops or call
5445         decl_constant_value_for_broken_optimization.  Set
5446         in_late_binary_op for conversions to boolean.
5447         (store_init_value): Update call to digest_init.
5448         (digest_init): Take new parameter null_pointer_constant.  Do not
5449         call decl_constant_value_for_broken_optimization.  pedwarn for
5450         initializers not constant expressions.  Update calls to
5451         convert_for_assignment.
5452         (constructor_nonconst): New.
5453         (struct constructor_stack): Add nonconst element.
5454         (really_start_incremental_init, push_init_level, pop_init_level):
5455         Handle constructor_nonconst and nonconst element.
5456         (set_init_index): Call constant_expression_warning for array
5457         designators.
5458         (output_init_element): Fold value.  Set constructor_nonconst as
5459         applicable.  pedwarn for initializers not constant expressions.
5460         Update call to digest_init.  Call constant_expression_warning
5461         where constant initializers are required.
5462         (process_init_element): Use c_save_expr.
5463         (c_finish_goto_ptr): Fold expression.
5464         (c_finish_return): Fold return value.  Update call to
5465         convert_for_assignment.
5466         (c_start_case): Fold switch expression.
5467         (c_process_expr_stmt): Fold expression.
5468         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
5469         ensure statement expression is not evaluated in constant expression.
5470         (build_binary_op): Track whether results are integer constant
5471         expressions or may occur in such, disable folding and wrap results
5472         as applicable.  Fold operands for -Wsign-compare warnings unless
5473         in_late_binary_op.
5474         (c_objc_common_truthvalue_conversion): Handle results folded to
5475         integer constants that are not integer constant expressions.
5476         * doc/extend.texi: Document when typeof operands are evaluated,
5477         that condition of __builtin_choose_expr is an integer constant
5478         expression, and more about use of __builtin_constant_p in
5479         initializers.
5480
5481 2009-03-29  Richard Guenther  <rguenther@suse.de>
5482
5483         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
5484         propagate addresses of array references.
5485
5486 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
5487
5488         * regmove.c (perhaps_ends_bb_p): Remove.
5489         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
5490         from INSN and check that the main loop stays within that basic block.
5491         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
5492         (regmove_forward_pass): Split out from regmove_optimize.  Use
5493         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
5494         (regmove_backward_pass): Split out from regmove_optimize.  Use
5495         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
5496         (regmove_optimize): Simplify.
5497
5498 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
5499
5500         PR target/39545
5501         * config/i386/i386.c (classify_argument): Ignore flexible array
5502         member in struct and warn ABI change.
5503
5504 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
5505
5506         * config/i386/i386-protos.h (ix86_agi_dependent): New.
5507
5508         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
5509         (ix86_adjust_cost): Updated.
5510
5511 2009-03-29  Jan Hubicka  <jh@suse.cz>
5512
5513         PR middle-end/28850
5514         * tree-pass.h (pass_cleanup_eh): New function.
5515         (remove_unreachable_regions): Break code handling RTL
5516         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
5517         that can not be reached by runtime.
5518         (can_be_reached_by_runtime): New function.
5519         (label_to_region_map): New function.
5520         (num_eh_regions): New function.
5521         (rtl_remove_unreachable_regions): New function.
5522         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
5523         (remove_eh_region): New function.
5524         * except.h: Include sbitmap and vecprim.
5525         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
5526         num_eh_regions): Declare.
5527         * passes.c (init_optimization_passes): Schedule cleanup_eh.
5528         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
5529         * tree-eh.c (tree_remove_unreachable_handlers): New function.
5530         (tree_empty_eh_handler_p): New function.
5531         (cleanup_empty_eh): New function.
5532         (cleanup_eh): New function.
5533         (pass_cleanup_eh): New function.
5534
5535 2009-03-29  Jan Hubicka  <jh@suse.cz>
5536
5537         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
5538         for removed regions.
5539
5540 2009-03-29  Jan Hubicka  <jh@suse.cz>
5541
5542         * except.c (dump_eh_tree): Dump all datastructures.
5543
5544 2009-03-29  Jan Hubicka  <jh@suse.cz>
5545
5546         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
5547         (duplicate_eh_regions_1): Likewise.
5548         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
5549         vector; call EH verification.
5550         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
5551         Be ready for region being removed.
5552
5553 2009-03-29  Jan Hubicka  <jh@suse.cz>
5554
5555         * bitmap.c (bitmap_last_set_bit): New function.
5556         * bitmap.h (bitmap_last_set_bit): Declare.
5557
5558 2009-03-29  David Ayers  <ayers@fsfe.org>
5559
5560         PR objc/27377
5561         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
5562         by calling objc_compare_types and surpress warnings about
5563         incompatible C pointers that are compatible ObjC pointers.
5564
5565 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
5566
5567         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
5568         call initialize_inline_failed.
5569         (initialize_inline_failed): Move it from here ...
5570         * cgraph.c (initialize_inline_failed): ... to here.
5571         (cgraph_create_edge): Call initialize_inline_failed rather than
5572         setting inline_failed directly.
5573
5574 2009-03-29  Ben Elliston  <bje@au.ibm.com>
5575
5576         PR target/32542
5577         * sysv4.opt (msdata): Improve comment.
5578         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
5579         * sysv4.h (SVR4_ASM_SPEC): Likewise.
5580
5581 2009-03-29  Ben Elliston  <bje@au.ibm.com>
5582
5583         PR target/30451
5584         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
5585         load and store attributes.
5586
5587 2009-03-29  Ben Elliston  <bje@au.ibm.com>
5588
5589         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
5590         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
5591         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
5592         * doc/extend.texi (X86 Built-in Functions): Add index entries for
5593         __builtin_infq and __builtin_huge_valq.
5594
5595 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
5596
5597         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
5598         atmega8m1 devices.
5599         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5600         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
5601
5602 2009-03-28  Xinliang David Li  <davidxl@google.com>
5603
5604         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
5605         (do_dbg_cnt): New function.
5606
5607 2009-03-28  Jan Hubicka  <jh@suse.cz>
5608
5609         Merge from pretty-ipa:
5610
5611         2009-03-27  Jan Hubicka  <jh@suse.cz>
5612
5613         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
5614         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
5615         * passes.c (function_called_by_processed_nodes_p): New.
5616         * ipa-pure-const.c (check_call): Fix handling of operands.
5617         (analyze_function): Dump debug output for skipped bodies.
5618         (local_pure_const): Use function_called_by_processed_nodes_p.
5619         * dwarf2out.c (reference_to_unused): Use output.
5620         * passes.c (do_per_function_toporder): Likewise.
5621
5622         2008-11-12  Jan Hubicka  <jh@suse.cz>
5623
5624         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
5625         * ipa-pure-const.c (funct_state_d): Add can throw field; make
5626         state_set_in_source enum
5627         (check_decl): Ignore memory tags; do not set fake looping flags;
5628         dump diagnostics.
5629         (check_operand, check_tree, check_rhs_var, check_lhs_var,
5630         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
5631         (check_call, analyze_function): Rewrite.
5632         (check_stmt): New.
5633         (add_new_function): Update call of analyze_function.
5634         (generate_summary): Add call of analyze_function.
5635         (propagate): Propagate can_throw; handle state_set_in_source correctly.
5636         (local_pure_const): New function.
5637         (pass_local_pure_const): New pass.
5638         * ipa-inline.c (inline_transform): Set after_inlining.
5639         * tree-eh.c (stmt_can_throw_external): New.
5640         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
5641         work with aliasing built.
5642         * tree-flow.h (stmt_can_throw_external): New.
5643         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
5644         and local pure/const pass in early and late optimization queue.
5645
5646 2009-03-28  Martin Jambor  <mjambor@suse.cz>
5647
5648         * fold-const.c (get_pointer_modulus_and_residue): New parameter
5649         allow_func_align.
5650         (fold_binary): Allow function decl aligment consideration is the
5651         second argument is integer constant one.
5652         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
5653         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
5654         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
5655
5656 2009-03-28  Jan Hubicka  <jh@suse.cz>
5657
5658         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
5659         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
5660         * function.h (rtl_data): Add nothrow flag.
5661         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
5662         set DECL_NOTHROW for AVAILABLE functions.
5663
5664 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
5665
5666         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
5667         following vector keyword has expansion starting with pixel or bool
5668         keyword, expand vector to __vector and pixel or bool to __pixel or
5669         __bool.
5670
5671         PR c++/39554
5672         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
5673         warn_if_disallowed_function_p): Removed.
5674         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
5675         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
5676         warning_if_disallowed_function_p.
5677         * flags.h (warn_if_disallowed_function_p,
5678         warn_disallowed_functions): Removed.
5679         * common.opt (Wdisallowed-function-list=): Removed.
5680         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
5681
5682 2009-03-28  Richard Guenther  <rguenther@suse.de>
5683
5684         PR tree-optimization/38723
5685         * tree-ssa-pre.c (compute_avail): Add all default definitions to
5686         the entry block.
5687
5688 2009-03-28  Jan Hubicka  <jh@suse.cz>
5689
5690         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
5691         test introduced by my previous patch.
5692
5693 2009-03-28  Richard Guenther  <rguenther@suse.de>
5694
5695         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
5696         the PHIs value undefined.
5697
5698 2009-03-28  Jan Hubicka  <jh@suse.cz>
5699
5700         * tree-pass.h (pass_fixup_cfg): New pass.
5701         * ipa-inline.c (inline_transform): Set
5702         always_inline_functions_inlined/after_inlining.
5703         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
5704         (pass_fixup_cfg): New pass.
5705         * passes.c (init_optimization_passes): Add fixup_cfg.
5706
5707 2009-03-28  Richard Guenther  <rguenther@suse.de>
5708
5709         PR tree-optimization/38458
5710         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
5711         argument use the arguments copy-of value.
5712
5713 2009-03-28  Richard Guenther  <rguenther@suse.de>
5714
5715         PR tree-optimization/38180
5716         * tree-ssa-ccp.c (get_default_value): Simplify.
5717         (likely_value): Likewise.
5718         (surely_varying_stmt_p): Properly handle VOP case.
5719         (ccp_initialize): Likewise.
5720         (ccp_fold): Handle propagating through *&.
5721         (fold_const_aggregate_ref): Also handle decls.
5722
5723 2009-03-28  Jan Hubicka  <jh@suse.cz>
5724
5725         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
5726         * cgraph.h (cgraph_node): Likewise.
5727         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
5728         (cgraph_reset_node): Use process flag.
5729         (cgraph_mark_functions_to_output): Likewise.
5730         (cgraph_expand_function): Likewise.
5731         (cgraph_expand_all_functions): Likewise.
5732         (cgraph_output_in_order): Likewise.
5733         * dwarf2out.c (reference_to_unused): Likewise.
5734         * passes.c do_per_function_toporder): Likewise.
5735
5736 2009-03-28  Jan Hubicka  <jh@suse.cz>
5737
5738         Bring from lto-branch:
5739
5740         2008-09-03  Doug Kwan  <dougkwan@google.com>
5741
5742         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
5743         enums instead of reason strings.
5744         * cgraph.c (cgraph_create_edge): Same.
5745         (cgraph_inline_failed_string): New function.
5746         * cgraph.h (cgraph_inline_failed_t): New enum type.
5747         (cgraph_inline_failed_string): New prototype.
5748         (struct cgraph_edge): Change type of INLINED_FAILED from constant
5749         char pointer to cgraph_inline_failed_t.
5750         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
5751         (cgraph_default_inline_p): Ditto.
5752         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
5753         to cgraph_inline_failed_t pointer.
5754         * cif-code.def: New file.
5755         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
5756         reason string.
5757         (cgraph_check_inline_limits): Change type of REASON to pointer to
5758         cgraph_inline_failed_t.  Replace reason strings with enums.
5759         (cgraph_default_inline_p): Ditto.
5760         (cgraph_recursive_inlining_p): Ditto.
5761         (update_caller_keys): Change type of FAILED_REASON to
5762         cgraph_inline_failed_t.
5763         (cgraph_set_inline_failed): Change type of REASON to pointer to
5764         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
5765         convert enums to strings for text output.
5766         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
5767         to be of type cgraph_inline_failed_t.  Replace reason strings with
5768         enums.  Call cgraph_inline_failed_string to covert enums
5769         to strings for text output.
5770         (cgraph_decide_inlining): Replace reason strings with enums.
5771         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
5772         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
5773         for text output.
5774         * tree-inline.c (expand_call_inline): Change type of REASON
5775         to cgraph_inline_failed_t.  Replace reason strings with enums.
5776         Call cgraph_inline_failed_string for text output.
5777         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
5778         (cgraph.o): Ditto.
5779
5780 2009-03-28  Jan Hubicka  <jh@suse.cz>
5781
5782         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
5783         cgraph_clone_node): Remove master clone handling.
5784         (cgraph_is_master_clone, cgraph_master_clone): Remove.
5785         * cgraph.h (master_clone): Remove.
5786         (cgraph_is_master_clone, cgraph_master_clone): Remove.
5787         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
5788         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
5789
5790 2009-03-28  Jan Hubicka  <jh@suse.cz>
5791
5792         * cgraph.c (cgraph_function_body_availability): Functions declared
5793         inline are always safe to assume that it is not going to be replaced.
5794
5795 2009-03-28  Richard Guenther  <rguenther@suse.de>
5796
5797         PR tree-optimization/38513
5798         * tree-ssa-pre.c (eliminate): Remove redundant stores.
5799         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
5800         EXC_PTR_EXPR and FILTER_EXPR.
5801         (get_ref_from_reference_ops): Likewise.
5802
5803 2009-03-28  Richard Guenther  <rguenther@suse.de>
5804
5805         PR tree-optimization/38968
5806         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
5807         Use FLOOR_MOD_EXPR to compute misalignment.
5808
5809 2009-03-28  Richard Guenther  <rguenther@suse.de>
5810
5811         PR tree-optimization/37795
5812         * tree.h (combine_comparisons): Declare.
5813         * fold-const.c (combine_comparisons): Export.
5814         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
5815         comparisons.
5816         (ifcombine_iforif): Use combine_comparisons.
5817
5818 2009-03-28  Jan Hubicka  <jh@suse.cz>
5819
5820         * tree-eh.c (inlinable_call_p): New function.
5821         (make_eh_edges): Use it.
5822         (verify_eh_edges): Use it.
5823         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
5824         * except.c (reachable_next_level): Add inlinable_function argument
5825         (sjlj_find_directly_reachable_regions): Update.
5826         (add_reachable_handler): Do not set saw_any_handlers.
5827         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
5828         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
5829         Add new inlinable call parameter.
5830         (can_throw_internal, can_throw_external): Update.
5831         * except.h (can_throw_internal_1, can_throw_external_1,
5832         foreach_reachable_handler): Update declaration.
5833
5834 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
5835
5836         * config/arm/t-arm-coff, config/h8300/coff.h,
5837         config/i386/i386-aout.h, config/i386/i386-coff.h,
5838         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
5839         config/pdp11/2bsd.h, config/rs6000/aix41.h,
5840         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
5841         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
5842         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
5843         sys-types.h: Remove.
5844         * Makefile.in: Remove protoize and fixproto support and references
5845         in comments.
5846         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
5847         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
5848         Remove.
5849         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
5850         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
5851         unprotoize$(exeext).
5852         (rest.encap): Don't depend on $(STMP_FIXPROTO)
5853         (.PHONY): Don't depend on proto.
5854         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
5855         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
5856         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
5857         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
5858         build/gen-protos.o, build/scan.o, xsys-protos.h,
5859         build/fix-header$(build_exeext), build/fix-header.o,
5860         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
5861         stmp-install-fixproto): Remove.
5862         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
5863         SYSCALLS.c or fixproto files.
5864         (install-common): Don't install protoize.
5865         (install-headers-tar, install-headers-cpio, install-headers-cp):
5866         Don't depend on $(STMP_FIXPROTO).
5867         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
5868         install fixproto files or write out fixproto settings.
5869         (uninstall): Don't uninstall protoize.
5870         * config.gcc (use_fixproto): Remove.
5871         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
5872         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
5873         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
5874         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
5875         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
5876         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
5877         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
5878         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
5879         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
5880         * config/t-vxworks (STMP_FIXPROTO): Remove.
5881         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
5882         STMP_FIXPROTO): Remove.
5883         * config.in, configure: Regenerate.
5884         * crtstuff.c (gid_t, uid_t): Don't undefine.
5885         * doc/install.texi: Change m68k-coff to m68k-elf in example.
5886         (arm-*-coff, arm-*-aout: Remove target entries.
5887         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
5888         Remove mention of AIX 4.1.
5889         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
5890         * doc/invoke.texi (Running Protoize): Remove.
5891         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
5892         (Protoize Caveats): Remove.
5893         * tsystem.h: Update comments on headers assumed to exist.
5894
5895 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
5896
5897         * genautomata.c: Add a new year to the copyright.  Add a new
5898         reference.
5899         (struct insn_reserv_decl): Add comments for member bypass_list.
5900         (find_bypass): Remove.
5901         (insert_bypass): New.
5902         (process_decls): Use insert_bypass.
5903         (output_internal_insn_latency_func): Output all bypasses with the
5904         same input insn in one switch case.
5905
5906         * rtl.def (define_bypass): Describe bypass choice.
5907         * doc/md.texi (define_bypass): Ditto.
5908
5909 2009-03-27  Richard Guenther  <rguenther@suse.de>
5910
5911         * gimplify.c (mark_addressable): Export.
5912         * tree-flow.h (mark_addressable): Declare.
5913         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
5914         * tree-ssa.c (verify_phi_args): Verify that address taken
5915         variables have TREE_ADDRESSABLE set.
5916
5917 2009-03-27  Richard Guenther  <rguenther@suse.de>
5918
5919         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
5920         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
5921         Do not mark decls TREE_ADDRESSABLE.
5922         (build_fold_addr_expr): Adjust.
5923         (fold_addr_expr): Remove.
5924         (fold_unary): Use build_fold_addr_expr.
5925         (fold_comparison): Likewise.
5926         (split_address_to_core_and_offset): Likewise.
5927         * coverage.c (tree_coverage_counter_addr): Mark the array decl
5928         TREE_ADDRESSABLE.
5929         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
5930         (gimplify_modify_expr_to_memcpy): Mark source and destination
5931         addressable.
5932         * omp-low.c (create_omp_child_function): Mark the object decl
5933         TREE_ADDRESSABLE.
5934         (lower_rec_input_clauses): Mark the var we take the address of
5935         TREE_ADDRESSABLE.
5936         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
5937
5938 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
5939
5940         PR middle-end/39315
5941         * cfgexpand.c (expand_one_stack_var_at): Change alignment
5942         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
5943
5944 2009-03-27  Richard Guenther  <rguenther@suse.de>
5945
5946         PR tree-optimization/39120
5947         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
5948         constraints.
5949         (handle_lhs_call): Process return constraints.  Add escape
5950         constraints if necessary.
5951         (handle_const_call): Fill out return constraints.  Make nested
5952         case more precise.  Avoid consttmp if possible.
5953         (handle_pure_call): Fill out return constraints.  Avoid
5954         callused if possible.
5955         (find_func_aliases): Simplify call handling.
5956
5957 2009-03-27  Richard Guenther  <rguenther@suse.de>
5958
5959         PR tree-optimization/39120
5960         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
5961         as a representative.
5962         (solve_graph): Do propagate CALLUSED.
5963         (handle_pure_call): Use a scalar constraint from CALLUSED for
5964         the return value.
5965         (find_what_p_points_to): CALLUSED shall not appear in poins-to
5966         solutions.
5967
5968 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
5969
5970         PR c/39323
5971         * c-common.c (handle_aligned_attribute): Properly check alignment
5972         overflow.  Use (1U << i) instead of (1 << i).
5973
5974         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
5975
5976         * expr.h (get_mem_align_offset): Updated.
5977
5978         * tree.h (tree_decl_common): Change align to "unsigned int" and
5979         move it before pointer_alias_set.
5980
5981 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
5982             Jakub Jelinek  <jakub@redhat.com>
5983
5984         PR target/38034
5985         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
5986         gr_register_operand with gr_reg_or_0_operand.
5987         (cmpxchg_rel_di): Likewise.
5988         (sync_lock_test_and_set<mode>): Likewise.
5989
5990 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
5991
5992         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
5993         (true_regnum): Likewise.
5994
5995         * rtlanal.c (subreg_info): Moved to ...
5996         * rtl.h (subreg_info): Here.  New.
5997         (subreg_get_info): New.
5998
5999         * rtlanal.c (subreg_get_info): Make it extern.
6000
6001 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
6002
6003         PR target/39472
6004         * config/i386/i386.c (ix86_abi): New.
6005         (override_options): Handle -mabi=.
6006         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
6007         (ix86_call_abi_override): Likewise.
6008         (init_cumulative_args): Likewise.
6009         (function_arg_advance): Likewise.
6010         (function_arg_64): Likewise.
6011         (function_arg): Likewise.
6012         (ix86_pass_by_reference): Likewise.
6013         (ix86_function_value_regno_p): Likewise.
6014         (ix86_build_builtin_va_list_abi): Likewise.
6015         (setup_incoming_varargs_64): Likewise.
6016         (is_va_list_char_pointer): Likewise.
6017         (ix86_init_machine_status): Likewise.
6018         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
6019         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
6020         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
6021         (ix86_function_abi): Make it static and return enum calling_abi.
6022         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
6023         with ix86_abi.
6024         (ix86_fn_abi_va_list): Updated.
6025
6026         * config/i386/i386.h (ix86_abi): New.
6027         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
6028         (CONDITIONAL_REGISTER_USAGE): Likewise.
6029         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
6030         (machine_function): Likewise.
6031
6032         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
6033         with ix86_abi.
6034         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
6035         (STACK_BOUNDARY): Likewise.
6036         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
6037
6038         * config/i386/i386.opt (mabi=): New.
6039
6040         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
6041         return enum calling_abi.
6042         (ix86_function_type_abi): Likewise.
6043         (ix86_function_abi): Removed.
6044
6045         * doc/invoke.texi: Document -mabi= option for x86.
6046
6047 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6048
6049         * builtins.c (real_dconstp): Delete.
6050         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
6051
6052 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
6053             Jakub Jelinek  <jakub@redhat.com>
6054
6055         PR debug/37959
6056         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
6057         (gen_subprogram_die): When a function is explicit, generate the
6058         DW_AT_explicit attribute.
6059         * langhooks.h (struct lang_hooks_for_decls): Add
6060         function_decl_explicit_p langhook.
6061         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
6062         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
6063
6064 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
6065
6066         * builtins.c (fold_builtin_memory_op): Optimize memmove
6067         into memcpy if we can prove source and destination don't overlap.
6068
6069         * tree-inline.c: Include gt-tree-inline.h.
6070         (clone_fn_id_num): New variable.
6071         (clone_function_name): New function.
6072         (tree_function_versioning): Use it.
6073         * Makefile.in (GTFILES): Add tree-inline.c.
6074
6075 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
6076
6077         * BASE-VER: Change to 4.5.0.
6078
6079 2009-03-27  Xinliang David Li  <davidxl@google.com>
6080
6081         PR tree-optimization/39557
6082         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
6083
6084 2009-03-27  Xinliang David Li  <davidxl@google.com>
6085
6086         PR tree-optimization/39548
6087         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
6088         candidate check.
6089
6090 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
6091
6092         * c-common.c (pointer_int_sum): Use %wd on return from
6093         tree_low_cst.
6094
6095 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
6096
6097         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
6098         on return from tree_low_cst.
6099
6100 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6101
6102         PR c++/36799
6103         * ginclude/stdarg.h (va_copy): Define also for
6104         __GXX_EXPERIMENTAL_CXX0X__.
6105
6106 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6107
6108         PR c++/35652
6109         * builtins.h (c_strlen): Do not warn here.
6110         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
6111         * c-common.c (pointer_int_sum): Take an explicit location.
6112         Warn about offsets out of bounds.
6113         * c-common.h (pointer_int_sum): Adjust declaration.
6114
6115 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6116
6117         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
6118         markup glitch.
6119
6120 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
6121
6122         PR c++/39554
6123         * opts.c (warn_if_disallowed_function_p): Don't assume
6124         get_callee_fndecl must return non-NULL.
6125
6126 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
6127
6128         PR rtl-optimization/39522
6129         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
6130         when reg_reloaded_valid is set.
6131
6132 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6133
6134         * config/spu/divv2df3.c: New file.
6135         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
6136         (DPBIT_FUNCS): Filter out _div_df.
6137
6138 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
6139
6140         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
6141         a jump insn, count that jump in the distance to the loop start.
6142
6143 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
6144
6145         PR target/39523
6146         * config/sh/sh.c (calc_live_regs): Fix condition for global
6147         registers except PIC_OFFSET_TABLE_REGNUM.
6148
6149 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
6150
6151         PR/39518
6152         * doc/invoke.texi (-mconsole): New.
6153         (-mcygwin): New.
6154         (-mno-cygwin): New.
6155         (-mdll): New.
6156         (-mnop-fun-dllimport): New.
6157         (-mthread): New.
6158         (-mwin32): New.
6159         (-mwindows): New.
6160         (sub section "i386 and x86-64 Windows Options"): New.
6161
6162 2009-03-25  Ralf Corsépius <ralf.corsepius@rtems.org>
6163
6164         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
6165         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
6166
6167 2009-03-25  Richard Guenther  <rguenther@suse.de>
6168
6169         PR middle-end/39497
6170         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
6171         of -Wno-error.
6172
6173 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
6174
6175         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
6176         neither of haifa/selective schedulers are working.
6177
6178 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6179
6180         * doc/invoke.texi (Debugging Options): Fix description of
6181         -fno-merge-debug-strings.
6182
6183 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
6184
6185         * config/cris/libgcc.ver: New version-script.
6186         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
6187
6188         * configure.ac <GAS features, nop mnemonic>: Add pattern
6189         crisv32-*-* for "nop".
6190         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
6191         * configure: Regenerate.
6192
6193 2009-03-24  Ira Rosen  <irar@il.ibm.com>
6194
6195         PR tree-optimization/39529
6196         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
6197         mark_sym_for_renaming for the tag copied to the new vector
6198         pointer.
6199
6200 2009-03-24  Arthur Loiret  <aloiret@debian.org>
6201
6202         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
6203         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
6204         EXTRA_SPEC_FUNCTIONS.
6205         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
6206         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
6207         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
6208         -march and -mtune options.
6209
6210 2009-03-24  Ralf Corsépius <ralf.corsepius@rtems.org>
6211
6212         * config/m68k/t-rtems: Add m5329 multilib.
6213
6214 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
6215             Jakub Jelinek  <jakub@redhat.com>
6216
6217         PR debug/39524
6218         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
6219         nodes.
6220
6221 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
6222
6223         PR c/39495
6224         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
6225         instead of c_parser_expression_conv, if original_code isn't one of the
6226         4 allowed comparison codes, fail.
6227
6228 2009-03-23  Richard Guenther  <rguenther@suse.de>
6229
6230         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
6231         * tree.h (struct tree_type): Likewise.
6232         * reload.h (struct insn_chain): Likewise.
6233         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
6234         * function.h (struct function): Likewise.
6235         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
6236
6237 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
6238
6239         PR tree-optimization/39516
6240         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
6241
6242 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
6243
6244         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
6245         should be set true if BITS_PER_WORD of target is bigger than 32
6246
6247 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
6248
6249         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
6250         Translate -B-options to -rpath-link.  Correct existing
6251         rpath-link and conditionalize on !nostdlib.
6252
6253 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6254
6255         * doc/extend.texi (Function Attributes, Variable Attributes):
6256         Fix typos.
6257         * doc/invoke.texi (Debugging Options, Optimize Options)
6258         (i386 and x86-64 Options, MCore Options): Likewise.
6259
6260 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
6261
6262         PR debug/37890
6263         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
6264         it for block local namespace aliases.
6265         (gen_decl_die): Pass context_die to gen_namespace_die.
6266
6267 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
6268
6269         PR c/39495
6270         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
6271         minimum or maximum value.
6272
6273 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
6274
6275         * reginfo.c (globalize_reg): Recompute derived reg sets.
6276
6277 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
6278
6279         PR target/39063
6280         * libgcc2.c (mprotect): Do not use signed arguments for
6281         VirtualProtect, use DWORD arguments.  Also fix the 'may
6282         be used uninitialized' warning for the np variable.
6283
6284 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
6285
6286         PR target/39496
6287         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
6288         functions using regparm calling conventions when not optimizing.
6289         (ix86_function_sseregparm): Similarly for sseregparm calling
6290         conventions.
6291
6292 2009-03-19  Li Feng  <nemokingdom@gmail.com>
6293
6294         PR middle-end/39500
6295         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
6296         dependence if the first conflict is after niter iterations.
6297
6298 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
6299
6300         PR middle-end/38609
6301         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
6302         functions with dynamic stack-pointer adjustments.
6303
6304 2009-03-19  Ben Elliston  <bje@au.ibm.com>
6305
6306         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
6307         option; change to -msdata=data.
6308
6309 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6310
6311         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
6312         and -fopenmp.
6313
6314 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
6315
6316         PR target/35180
6317         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
6318
6319 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
6320
6321         * doc/invoke.texi (Code Gen Options): Expand discussion of
6322         -fno-common.
6323
6324 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
6325
6326         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
6327         * matrix-reorg.c (struct matrix_info): Likewise.
6328         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
6329         * rtl.h (struct mem_attrs): Likewise.
6330         * df.h (struct df): Likewise.
6331         * tree-data-ref.h (struct data_dependence_relation): Likewise.
6332         * ira-int.h (struct ira_allocno): Likewise.
6333         * df-scan.c (struct df_collection_rec): Likewise.
6334         * ira.c (struct equivalence): Likewise.
6335         * function.c (struct temp_slot): Likewise.
6336         * cfgloop.h (struct loop): Likewise.
6337
6338         PR debug/39485
6339         * function.c (use_register_for_decl): When not optimizing, disregard
6340         register keyword for variables with types containing methods.
6341
6342 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
6343
6344         PR middle-end/39447
6345         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
6346         (is_simple_operand): Call contains_component_ref_p before calling data
6347         reference analysis that would fail on COMPONENT_REFs.
6348
6349         * tree-vrp.c (search_for_addr_array): Fix formatting.
6350
6351 2009-03-18  Richard Guenther  <rguenther@suse.de>
6352
6353         * tree-vect-transform.c (vect_loop_versioning): Fold the
6354         generated comparisons.
6355         * tree-vectorizer.c (set_prologue_iterations): Likewise.
6356         (slpeel_tree_peel_loop_to_edge): Likewise.
6357
6358 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6359
6360         PR middle-end/37805
6361         * opts.c (print_specific_help): In addition to `undocumented',
6362         accept `separate' and `joined' flags if passed alone.  Describe
6363         output by the first matched one of those.
6364         (common_handle_option): Skip over empty strings.
6365         * gcc.c (display_help): Fix help string for `--help='.
6366         * doc/invoke.texi (Option Summary, Overall Options): With
6367         `--help=', classes and qualifiers can both be repeated, but
6368         only the latter can be negated.  One should not pass only
6369         negated qualifiers.  Fix markup and examples.
6370
6371         Revert
6372         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
6373         PR middle-end/37805
6374         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
6375         and -fhelp=separate.
6376
6377 2009-03-17  Jing Yu  <jingyu@google.com>
6378
6379         PR middle-end/39378
6380         * function.h (struct rtl_data): Move is_thunk from here...
6381         (struct function): ...to here.
6382         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
6383         * varasm.c (assemble_start_function): Change is_thunk from crtl to
6384         cfun.
6385         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
6386         cfun.
6387         (alpha_does_function_need_gp, alpha_start_function): Likewise.
6388         (alpha_output_function_end_prologue): Likewise.
6389         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
6390         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
6391         (rs6000_output_function_epilogue): Likewise.
6392         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
6393
6394 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
6395
6396         PR target/39482
6397         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
6398         from different units in a single alternative.
6399         (*truncdfsf_i387): Ditto.
6400         (*truncxfsf2_mixed): Ditto.
6401         (*truncxfdf2_mixed): Ditto.
6402
6403 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
6404
6405         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
6406         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
6407
6408         PR debug/39474
6409         * tree-ssa-live.c (remove_unused_locals): Don't remove local
6410         unused non-artificial variables when not optimizing.
6411
6412         PR debug/39471
6413         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
6414         DW_TAG_imported_module even if decl is IMPORTED_DECL with
6415         NAMESPACE_DECL in its DECL_INITIAL.
6416
6417         PR middle-end/39443
6418         * optabs.c (set_user_assembler_libfunc): New function.
6419         * expr.h (set_user_assembler_libfunc): New prototype.
6420         * c-common.c: Include libfuncs.h.
6421         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
6422         for memcmp, memset, memcpy, memmove and abort.
6423         * Makefile.in (c-common.o): Depend on libfuncs.h.
6424
6425         PR debug/39412
6426         * dwarf2out.c (gen_inlined_enumeration_type_die,
6427         gen_inlined_structure_type_die, gen_inlined_union_type_die,
6428         gen_tagged_type_instantiation_die): Removed.
6429         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
6430         do nothing.
6431
6432 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
6433
6434         PR testsuite/38526
6435         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
6436         its use.
6437         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
6438         (check-parallel-%): Ditto.
6439         (check-consistency): Ditto.
6440
6441 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
6442
6443         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
6444         local variable rhs by NULL_TREE.
6445
6446 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
6447
6448         PR target/39477
6449         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
6450
6451 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
6452
6453         PR target/39476
6454         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
6455
6456 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
6457
6458         PR target/39473
6459         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
6460         for ms->sysv ABI calls only in 64bit mode.
6461
6462         * config/i386/i386.md (untyped_call): Support 32bit.
6463
6464 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
6465
6466         * doc/extend.texi: Replace x86_65 with x86_64.
6467
6468 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
6469
6470         PR tree-optimization/39455
6471         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
6472         mismatches for POINTER_TYPE_P (type).
6473         (number_of_iterations_le): Likewise.
6474
6475 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
6476
6477         * config/picochip/picochip.c: Removed profiling support.
6478         * config/picochip/picochip.md: Removed profiling instruction.
6479         * config/picochip/picochip.h: Removed profiling builtin.
6480
6481 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
6482
6483         * doc/install.texi (--with-host-libstdcxx): Document.
6484
6485 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
6486
6487         PR target/34299
6488         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
6489         generate a warning if the function name does not begin with
6490         "__vector" and the function has either the 'signal' or 'interrupt'
6491         attribute, from here to ...
6492         (avr_declare_function_name): ...here. New function.
6493         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
6494         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
6495
6496 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
6497
6498         PR bootstrap/39454
6499         * cse.c (fold_rtx): Don't modify original const_arg1 when
6500         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
6501         separate variable instead.
6502         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
6503         from out of range shift counts.
6504         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
6505
6506 2009-03-13  Catherine Moore  <clm@codesourcery.com>
6507
6508         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
6509         diagnostic.h with $(DIAGNOSTIC_H).
6510
6511 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
6512
6513         PR target/39431
6514         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
6515         predicate.
6516         * config/i386/sync.md (sync_compare_and_swap<mode>,
6517         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
6518         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
6519         into a register.
6520         (sync_double_compare_and_swapdi_pic,
6521         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
6522         cmpxchg8b_pic_memory_operand instead of just memory_operand.
6523
6524 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
6525
6526         PR target/39445
6527         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
6528
6529 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
6530
6531         PR target/39327
6532         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
6533         (avx_addsubv4df3): Likewise.
6534         (*avx_addsubv4sf3): Likewise.
6535         (sse3_addsubv4sf3): Likewise.
6536
6537 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
6538
6539         PR target/38824
6540         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
6541
6542 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
6543
6544         PR debug/39432
6545         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
6546         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
6547         registers for allocnos created from user-defined variables.
6548
6549 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6550
6551         PR target/39181
6552         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
6553         of non-integer mode as well.
6554
6555 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
6556
6557         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
6558         for functions for which the parameter types are unknown.
6559
6560 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
6561
6562         PR target/39137
6563         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
6564         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
6565         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
6566         * config/i386/i386.c (ix86_local_alignment): For
6567         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
6568         long long variables on the stack to avoid dynamic realignment.
6569         Allow the first argument to be a decl rather than type.
6570         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
6571
6572 2009-03-11  Nick Clifton  <nickc@redhat.com>
6573
6574         PR target/5362
6575         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
6576         options.
6577         Add description to mno-lsim option.
6578         * config/mcore/mcore.h: Remove comment about deprecated m4align
6579         option.
6580         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
6581         * doc/invoke.texi: Add description of mno-lsim and
6582         mstack-increment options.
6583
6584         * config/fr30/fr30.opt: Document the -mno-lsim option.
6585         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
6586         and -mno-lsim options.
6587
6588 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6589
6590         * fold-const.c (fold_comparison): Only call fold_inf_compare
6591         if the mode supports infinities.
6592
6593 2009-03-11  Jason Merrill  <jason@redhat.com>
6594
6595         PR debug/39086
6596         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
6597         end already did.  Notice GIMPLE_CALL modifications of the result.
6598         Don't copy debug information from an ignored decl or a decl from
6599         another function.
6600
6601 2009-03-10  Richard Guenther  <rguenther@suse.de>
6602             Nathan Froyd  <froydnj@codesourcery.com>
6603
6604         PR middle-end/37850
6605         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
6606         (__divMODE3): Likewise.
6607
6608 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
6609
6610         PR tree-optimization/39394
6611         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
6612         DECL_SIZE_UNIT of variable length FIELD_DECLs.
6613
6614 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6615
6616         * recog.c (verfiy_changes): Disallow renaming of hard regs in
6617         inline asms for register asm ("") declarations.
6618
6619 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
6620
6621         * fold-const.c (fold_unary): Fix comment.
6622
6623 2009-03-07  Jan Hubicka  <jh@suse.cz>
6624
6625         PR target/39361
6626         * tree-inline.c (setup_one_parameter): Do replacement of const
6627         argument by constant in SSA form.
6628
6629 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6630
6631         PR middle-end/38028
6632         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
6633         determine alignment passed to assign_stack_local.
6634         (assign_parms_unsplit_complex): Likewise.
6635         * except.c (sjlj_build_landing_pads): Likewise.
6636
6637 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
6638
6639         PR middle-end/39360
6640         * tree-flow.h (add_referenced_var): Return bool instead of void.
6641         * tree-dfa.c (add_referenced_var): Return result of
6642         referenced_var_check_and_insert call.
6643         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
6644         of referenced_var_check_and_insert.
6645
6646         PR debug/39372
6647         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
6648         (gen_variable_die): Emit DW_AT_location on abstract static variable's
6649         DIE, don't emit it if abstract origin already has it.
6650         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
6651         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
6652
6653 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6654
6655         * genpreds.c (needs_variable): Fix parentheses at variable name
6656         detection.
6657         (write_tm_constrs_h): Indent generated code.
6658
6659 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6660
6661         * doc/extend.texi (Function Attributes): Add documentation
6662         for isr attributes.
6663
6664 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
6665
6666         PR debug/39387
6667         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
6668         take locus from its DECL_SOURCE_LOCATION instead of input_location.
6669
6670 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
6671
6672         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
6673         the loop as bad.
6674
6675 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
6676
6677         PR debug/39379
6678         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
6679         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
6680
6681 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
6682
6683         * config/i386/i386.md (R8_REG, R9_REG): New constants.
6684         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
6685         constants instead of magic numbers.
6686         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
6687         (QI_REG_P): Ditto.
6688         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
6689         (x86_64_ms_abi_int_parameter_registers): Ditto.
6690         (x86_64_int_return_registers): Ditto.
6691         (ix86_maybe_switch_abi): Ditto.
6692         (ix86_expand_call): Ditto for clobbered_registers array.
6693         (ix86_hard_regno_mode_ok): Ditto.
6694         (x86_extended_QIreg_mentioned_p): Ditto.
6695
6696 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
6697
6698         PR tree-optimization/39349
6699         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
6700
6701         * combine.c (gen_lowpart_for_combine): Use omode when generating
6702         clobber.
6703
6704 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
6705
6706         PR rtl-optimization/39235
6707         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
6708
6709 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
6710
6711         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
6712
6713 2009-03-04  Richard Guenther  <rguenther@suse.de>
6714
6715         PR tree-optimization/39362
6716         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
6717         that occur in abnormal PHIs should be varying.
6718
6719 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
6720
6721         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
6722         Extend comments.
6723         (simple_iv):  Take loop as an argument instead of statement.
6724         * tree-scalar-evolution.h (simple_iv): Declaration changed.
6725         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
6726         to simple_iv.
6727         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
6728         Ditto.
6729         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
6730         * matrix-reorg.c (analyze_transpose): Ditto.
6731         * tree-data-ref.c (dr_analyze_innermost): Ditto.
6732         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
6733         * tree-predcom.c (ref_at_iteration): Ditto.
6734         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
6735
6736 2009-03-04  Richard Guenther  <rguenther@suse.de>
6737
6738         PR tree-optimization/39358
6739         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
6740         escaped_id and callused_id.
6741         (solve_graph): Likewise.
6742
6743 2009-03-04  Richard Guenther  <rguenther@suse.de>
6744
6745         PR tree-optimization/39339
6746         * tree-sra.c (try_instantiate_multiple_fields): Make it
6747         no longer ICE on the above.
6748
6749 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
6750
6751         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
6752         that fits within Pmode.
6753
6754 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
6755
6756         PR middle-end/10109
6757         * tm.texi (LIBCALL_VALUE): Update description.
6758
6759 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
6760
6761         PR middle-end/34443
6762         * doc/extend.texi (section): Update description.
6763
6764 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
6765
6766         PR middle-end/39345
6767         * tree-inline.c (remapped_type): New.
6768         (can_be_nonlocal): Call remapped_type instead of remap_type.
6769
6770 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
6771
6772         PR fortran/39354
6773         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
6774         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
6775
6776 2009-03-03  Richard Guenther  <rguenther@suse.de>
6777
6778         PR middle-end/39272
6779         * tree.c (tree_nonartificial_location): New function.
6780         * tree.h (tree_nonartificial_location): Declare.
6781         * builtins.c (expand_builtin_memory_chk): Provide location
6782         of the call location for artificial function pieces.
6783         (maybe_emit_chk_warning): Likewise.
6784         (maybe_emit_sprintf_chk_warning): Likewise.
6785         (maybe_emit_free_warning): Likewise.
6786         * expr.c (expand_expr_real_1): Likewise.
6787
6788 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
6789
6790         PR tree-optimization/39343
6791         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
6792         COMPONENT_REF t has ARRAY_TYPE.
6793
6794 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
6795
6796         PR middle-end/39335
6797         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
6798         when the type precision of the induction variable should be
6799         larger than the type precision of nit.
6800         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
6801         * graphite.c (graphite_loop_normal_form): Same.
6802         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
6803
6804 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
6805
6806         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
6807         (*call_1_rex64_ms_sysv): Use named constants instead of magic
6808         numbers to describe clobbered registers.
6809         (*call_value_0_rex64_ms_sysv): Ditto.
6810         * config/i386/mmx.md (mmx_emms): Ditto.
6811         (mmx_femms): Ditto.
6812
6813 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
6814
6815         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
6816         of ABI_64.
6817
6818 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6819
6820         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
6821         (spu_section_type_flags): New function.
6822
6823 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
6824
6825         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
6826         reg_class_contents of FLOAT_REGS into a temporary.
6827
6828 2009-03-02  Richard Guenther  <rguenther@suse.de>
6829             Ira Rosen  <irar@il.ibm.com>
6830
6831         PR tree-optimization/39318
6832         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
6833         information to the vectorized statement.
6834
6835 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
6836
6837         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
6838         variable.  Use defined names instead of magic constants for REX SSE
6839         registers.
6840
6841 2009-03-01  Richard Guenther  <rguenther@suse.de>
6842
6843         PR tree-optimization/39331
6844         * omp-low.c (lower_send_shared_vars): Do not receive new
6845         values for the reference of DECL_BY_REFERENCE parms or results.
6846
6847 2009-03-01  Jan Hubicka  <jh@suse.cz>
6848
6849         PR debug/39267
6850         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
6851         BLOCK_NONLOCALIZED_VAR): New macros.
6852         (tree_block): Add nonlocalized_vars.
6853         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
6854         gen_decl_die): Add origin argument.  Allow generation of die with
6855         origin at hand only.
6856         (gen_member_die, gen_type_die_with_usage, force_decl_die,
6857         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
6858         of gen_*.
6859         (gen_block_die): Fix checking for unused blocks.
6860         (process_scope_var): Break out from .... ; work with origins only.
6861         (decls_for_scope) ... here; process nonlocalized list.
6862         (dwarf2out_ignore_block): Look for nonlocalized vars.
6863         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
6864         vars.
6865         (dump_scope_block): Dump them.
6866         * tree-inline.c (remap_decls): Handle nonlocalized vars.
6867         (remap_block): Likewise.
6868         (can_be_nonlocal): New predicate.
6869         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
6870
6871 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6872
6873         * configure: Regenerate.
6874
6875 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6876
6877         * optc-gen.awk: No need to duplicate option flags twice.
6878         Reuse help texts for duplicate options which do not have any.
6879
6880         * gcc.c (display_help): Document --version.
6881
6882         * gcc.c (main): If print_help_list and verbose_flag, ensure
6883         driver output comes before subprocess output.
6884
6885         * optc-gen.awk: Assign all remaining fields to help string,
6886         space-separated, for multi-line help in *.opt.
6887
6888         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
6889         -Wno-pedantic-ms-format is for MinGW targets only.
6890
6891         * doc/options.texi (Option file format): Fix bad indentation,
6892         restoring dropped sentence.
6893
6894 2009-02-28  Jan Hubicka  <jh@suse.cz>
6895
6896         * tree-inline.c (tree_function_versioning): Output debug info.
6897
6898 2009-02-28  Jan Hubicka  <jh@suse.cz>
6899
6900         PR debug/39267
6901         * tree-inline.c (setup_one_parameter): Do not copy propagate
6902         arguments when not optimizing.
6903
6904 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
6905
6906         PR target/39327
6907         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
6908         (avx_addsubv4df3): Likewise.
6909         (*avx_addsubv4sf3): Likewise.
6910         (sse3_addsubv4sf3): Likewise.
6911         (*avx_addsubv2df3): Likewise.
6912         (sse3_addsubv2df3): Likewise.
6913         (avx_unpckhps256): Correct item selectors.
6914         (avx_unpcklps256): Likewise.
6915         (avx_unpckhpd256): Likewise.
6916         (avx_unpcklpd256): Likewise.
6917
6918 2009-02-28  Jan Hubicka  <jh@suse.cz>
6919
6920         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
6921         static vars.
6922         (copy_arguments_for_versioning): If var is declared don't declare it.
6923         (tree_function_versioning): First setup substitutions and then copy
6924         args.
6925
6926 2009-02-27  Jan Hubicka  <jh@suse.cz>
6927
6928         PR debug/39267
6929         * cgraph.h (varpool_output_debug_info): Remove.
6930         * cgraphunit.c (varpool_output_debug_info): Remove.
6931         * dwarf2out.c (deferred_locations_struct): New struct
6932         (deferred_locations): New type.
6933         (deferred_locations_list): New static var.
6934         (deffer_location): New function.
6935         (gen_variable_die): Use it.
6936         (decls_for_scope): Output info on local static vars.
6937         (dwarf2out_finish): Process deferred locations.
6938         * varpool.c (varpool_output_debug_info): Remove.
6939
6940 2009-02-27  Jan Hubicka  <jh@suse.cz>
6941
6942         PR debug/39267
6943         * tree.h (TREE_PROTECTED): Fix comment.
6944         (BLOCK_HANDLER_BLOCK): Remove.
6945         (struct tree_block): Remove handler_block add body_block.
6946         (inlined_function_outer_scope_p): New.
6947         (is_body_block): Remove.
6948         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
6949         * dwarf2out.c (is_inlined_entry_point): Remove.
6950         (add_high_low_attributes): Use inlined_function_outer_scope_p.
6951         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
6952         code.
6953         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
6954         * gimplify.c (gimplify_expr): Gimplify body blocks.
6955         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
6956         block with multiple subblocks.
6957         (dump_scope_block): Prettier output; dump more flags and info.
6958         (dump_scope_blocks): New.
6959         (remove_unused_locals): Use dump_scope_blocks.
6960         * tree-flow.h (dump_scope_blocks): Declare.
6961         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
6962         * stmt.c (is_body_block): Remove.
6963         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
6964         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
6965
6966 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
6967
6968         PR middle-end/39308
6969         * graphite.c (graphite_loop_normal_form): Do not call
6970         number_of_iterations_exit from a gcc_assert.
6971
6972 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6973
6974         * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
6975         jumps if COND is NULL.
6976         (find_cond_jump): New function.
6977         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
6978         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
6979
6980 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
6981
6982         * config/alpha/alpha.h (alpha_expand_mov): Return false if
6983         force_const_mem returns NULL_RTX.
6984
6985 2009-02-26  Jan Hubicka  <jh@suse.cz>
6986
6987         PR debug/39267
6988         * cgraph.h (varpool_output_debug_info): Remove.
6989         * cgraphunit.c (varpool_output_debug_info): Remove.
6990         * dwarf2out.c (deferred_locations_struct): New struct
6991         (deferred_locations): New type.
6992         (deferred_locations_list): New static var.
6993         (deffer_location): New function.
6994         (gen_variable_die): Use it.
6995         (decls_for_scope): Output info on local static vars.
6996         (dwarf2out_finish): Process deferred locations.
6997         * varpool.c (varpool_output_debug_info): Remove.
6998
6999 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
7000
7001         PR rtl-optimization/39241
7002         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
7003         to subreg_offset_representable_p.
7004
7005 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
7006
7007         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
7008         execute function prototype.  Get f and nregs from max_reg_num
7009         and get_insns.  Remove the first backward pass as it's dead,
7010         guard the forward pass by flag_expensive_optimizations.
7011         (rest_of_handle_regmove): Delete.
7012         (pass_regmove): Replace it with regmove_optimize.
7013
7014 2009-02-25  Martin Jambor  <mjambor@suse.cz>
7015
7016         PR tree-optimization/39259
7017         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
7018         calls_alloca function flags.
7019         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
7020         calls are detected.
7021
7022 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
7023
7024         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
7025         flags_set_1_rtx, flags_set_1_set): Delete.
7026         (regmove_optimize): Do not call mark_flags_life_zones.
7027
7028 2009-02-24  Julian Brown  <julian@codesourcery.com>
7029
7030         PR target/35965
7031         * config/arm/arm.c (require_pic_register): Only set
7032         cfun->machine->pic_reg once per function.
7033
7034 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
7035
7036         * doc/invoke.texi (Link Options): Document an easier way to pass
7037         options that take arguments to the GNU linker using -Xlinker and -Wl.
7038
7039 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
7040
7041         PR target/33785
7042         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
7043
7044 2009-02-24  Richard Guenther  <rguenther@suse.de>
7045
7046         PR debug/39285
7047         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
7048
7049 2009-02-24  Richard Guenther  <rguenther@suse.de>
7050             Zdenek Dvorak  <ook@ucw.cz>
7051
7052         PR tree-optimization/39233
7053         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
7054         from converting them to a generic type.
7055
7056 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
7057
7058         PR tree-optimization/39260
7059         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
7060         contains a condition with a real type.
7061         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
7062
7063 2009-02-23  Jason Merrill  <jason@redhat.com>
7064
7065         PR c++/38880
7066         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
7067         narrowing_initializer_constant_valid_p.
7068         (narrowing_initializer_constant_valid_p): Don't return
7069         null_pointer_node for adding a pointer to itself.
7070
7071 2009-02-23  Jan Hubicka  <jh@suse.cz>
7072
7073         PR c/12245
7074         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
7075         resizing.
7076
7077 2009-02-23  Jan Hubicka  <jh@suse.cz>
7078
7079         PR tree-optimization/37709
7080         * tree.c (block_ultimate_origin): Move here from dwarf2out.
7081         * tree.h (block_ultimate_origin): Declare.
7082         * dwarf2out.c (block_ultimate_origin): Move to tree.c
7083         * tree-ssa-live.c (remove_unused_scope_block_p):
7084         Eliminate blocks containig no instructions nor live variables nor
7085         nested blocks.
7086         (dump_scope_block): New function.
7087         (remove_unused_locals): Enable removal of dead blocks by default;
7088         enable dumping at TDF_DETAILS.
7089
7090 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
7091
7092         * config/i386/i386.c (classify_argument): Don't allow COImode
7093         and OImode.
7094         (function_arg_advance_32): Don't allow OImode.
7095         (function_arg_32): Likewise.
7096         (function_value_32): Likewise.
7097         (return_in_memory_32): Likewise.
7098         (function_arg_64): Remove OImode comment.
7099
7100 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
7101
7102         PR target/39261
7103         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
7104         ix86_expand_vector_set for V4DImode in 64bit mode only.
7105         (ix86_expand_vector_init_one_var): Likewise.
7106
7107 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
7108
7109         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
7110
7111 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
7112
7113         PR bootstrap/39257
7114         * loop-iv.c: Revert last change.
7115         * emit-rtl.c: Likewise.
7116
7117 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
7118
7119         PR target/39256
7120         * config/i386/i386.c (type_natural_mode): Remove an extra
7121         space in the warning message.
7122         (function_value_32): Handle 32-byte vector modes.
7123         (return_in_memory_32): Likewise.
7124
7125 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
7126
7127         * loop-iv.c (truncate_value): New function.
7128         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
7129         of lowpart_subreg.
7130         (lowpart_subreg): Move to...
7131         * emit-rtl.c: ...here.
7132
7133 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
7134
7135         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
7136         accidental and undocumented change at revision 140860.
7137
7138 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
7139
7140         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
7141         take gimple_seq * arguments.
7142         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
7143         types_compatible_p langhook.
7144
7145 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
7146             Joseph Myers  <joseph@codesourcery.com>
7147
7148         * config/arm/arm.c (arm_builtin_va_list): New function.
7149         (arm_expand_builtin_va_start): Likewise.
7150         (arm_gimplify_va_arg_expr): Likewise.
7151         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
7152         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
7153         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
7154         (va_list_type): New variable.
7155         (arm_mangle_type): Mangle va_list_type appropriately.
7156
7157 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
7158
7159         PR middle-end/39157
7160         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
7161         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
7162         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
7163         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
7164         parameter to 1000 for -O1 by default.
7165         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
7166         parameter.
7167         * loop-invariant.c: Include params.h.
7168         (move_loop_invariants): Don't call move_single_loop_invariants on
7169         very large loops.
7170
7171 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
7172
7173         * calls.c (emit_library_call_value_1): Use slot_offset instead of
7174         offset when calculating bounds for indexing stack_usage_map.  Fixes
7175         a buffer overflow with certain target setups.
7176
7177 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
7178
7179         PR target/39240
7180         * calls.c (expand_call): Clear try_tail_call if caller and callee
7181         disagree in promotion of function return value.
7182
7183 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
7184
7185         PR target/39175
7186         * c-common.c (c_determine_visibility): If visibility changed and
7187         DECL_RTL has been already set, call make_decl_rtl to update symbol
7188         flags.
7189
7190 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
7191
7192         PR c++/39188
7193         * varasm.c (assemble_variable): Don't check DECL_NAME when
7194         globalizing a variable.
7195
7196 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
7197
7198         PR c/38483
7199         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
7200         expression before any __builtin_trap call.
7201         * c-typeck.c (build_function_call): Convert and check function
7202         arguments before generating a call to a trap.  Evaluate the
7203         function arguments before the trap.
7204
7205 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
7206
7207         PR target/39228
7208         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
7209         (UNSPEC_FXAM_MEM): New unspec.
7210         (fxam<mode>2_i387_with_temp): New insn and split pattern.
7211         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
7212         memory using fxam<mode>2_i387_with_temp to remove excess precision.
7213
7214 2009-02-19  Richard Guenther  <rguenther@suse.de>
7215
7216         PR tree-optimization/39207
7217         PR tree-optimization/39074
7218         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
7219         storedanything_tree): New.
7220         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
7221         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
7222         (build_succ_graph): Add edges from STOREDANYTHING to all
7223         non-direct nodes.
7224         (init_base_vars): Initialize STOREDANYTHING.
7225         (compute_points_to_sets): Free substitution info after
7226         building the succ graph.
7227         (ipa_pta_execute): Likewise.
7228
7229         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
7230         field.
7231         (do_ds_constraint): Do not add to special var or non-pointer
7232         field solutions.
7233         (type_could_have_pointers): Split out from ...
7234         (could_have_pointers): ... here.  For arrays use the element type.
7235         (create_variable_info_for): Initialize may_have_pointers.
7236         (new_var_info): Likewise.
7237         (handle_lhs_call): Make the HEAP variable unknown-sized.
7238         (intra_create_variable_infos): Use a type with pointers for
7239         PARM_NOALIAS, make it unknown-sized.
7240
7241 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
7242
7243         PR target/39224
7244         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
7245
7246 2009-02-18  Jason Merrill  <jason@redhat.com>
7247
7248         PR target/39179
7249         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
7250         value if DECL_EXTERNAL.
7251         * tree-sra.c (sra_walk_gimple_assign): Likewise.
7252         * target.h (gcc_target::binds_local_p): Clarify "module".
7253         * tree.h (TREE_PUBLIC): Clarify "module".
7254
7255 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
7256
7257         PR target/38891
7258         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
7259         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
7260
7261 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
7262
7263         PR target/39082
7264         * c.opt (Wabi): Support C and ObjC.
7265         (Wpsabi): New.
7266
7267         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
7268
7269         * config/i386/i386.c (classify_argument): Warn once about the ABI
7270         change when passing union with long double.
7271
7272         * doc/invoke.texi: Update -Wabi for warning psABI changes.
7273
7274 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
7275
7276         PR c/35447
7277         * c-parser.c (c_parser_compound_statement): Always enter and leave
7278         a scope.
7279
7280 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7281
7282         PR target/34587
7283         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
7284
7285 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
7286
7287         PR tree-optimization/36922
7288         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
7289         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
7290         Likewise.
7291
7292 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
7293
7294         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
7295         to 0 for EABI64.
7296
7297 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
7298
7299         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
7300
7301 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
7302
7303         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
7304         tree sharing.
7305
7306 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
7307             Richard Sandiford  <rdsandiford@googlemail.com>
7308
7309         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
7310         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
7311         (loongson_biadd): ...this.
7312
7313 2009-02-17  Richard Guenther  <rguenther@suse.de>
7314
7315         PR tree-optimization/39202
7316         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
7317         a var make sure to follow existing collapses.
7318
7319 2009-02-17  Richard Guenther  <rguenther@suse.de>
7320
7321         PR middle-end/39214
7322         * langhooks.c (lhd_print_error_function): Check for NULL block.
7323
7324 2009-02-17  Richard Guenther  <rguenther@suse.de>
7325
7326         PR tree-optimization/39204
7327         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
7328         of the PHI arg.
7329
7330 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
7331
7332         * config/soft-fp/double.h: Update from glibc CVS.
7333
7334 2009-02-17  Richard Guenther  <rguenther@suse.de>
7335
7336         PR tree-optimization/39207
7337         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
7338         strict-aliasing warnings for pointers pointing to NULL.
7339
7340 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
7341
7342         PR c/35446
7343         * c-parser.c (c_parser_braced_init): Call pop_init_level when
7344         skipping until next close brace.
7345
7346 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
7347
7348         PR target/37049
7349         * config/i386/i386.c (ix86_expand_push): Set memory alignment
7350         to function argument boundary.
7351
7352 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
7353
7354         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
7355         in the lea_add. Reload eventually constraints it properly.
7356         * config/picochip/constraints.md : Remove the target constraint
7357         "b", since it is not needed anymore.
7358
7359 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
7360
7361         * gthr-dce.h: Uglify function parameter and local variable names.
7362         * gthr-gnat.h: Likewise.
7363         * gthr-mipssde.h: Likewise.
7364         * gthr-nks.h: Likewise.
7365         * gthr-posix95.h: Likewise.
7366         * gthr-posix.h: Likewise.
7367         * gthr-rtems.h: Likewise.
7368         * gthr-single.h: Likewise.
7369         * gthr-solaris.h: Likewise.
7370         * gthr-tpf.h: Likewise.
7371         * gthr-vxworks.h: Likewise.
7372         * gthr-win32.h: Likewise.
7373
7374 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
7375
7376         PR target/39196
7377         * config/i386/i386.md: Restrict the new peephole2 to move
7378         between MMX/SSE registers.
7379
7380 2009-02-15  Richard Guenther  <rguenther@suse.de>
7381
7382         Revert
7383         2009-02-13  Richard Guenther  <rguenther@suse.de>
7384
7385         * configure.ac: Enable LFS.
7386         * configure: Re-generate.
7387         * config.in: Likewise.
7388
7389 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7390
7391         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
7392         spu_srqwbyte, spu_srqwbytebc): Define.
7393         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
7394         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
7395         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
7396         "shrqby_<mode>"): New insn-and-split patterns.
7397         * config/spu/spu.c (expand_builtin_args): Determine and return
7398         number of operands using spu_builtin_description data.
7399         (spu_expand_builtin_1): Use it.
7400
7401 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
7402
7403         PR target/38056
7404         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
7405         TARGET_CONST_GP.
7406
7407 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
7408
7409         PR target/39149
7410         * config/i386/i386.c (override_options): Correct warning
7411         messages for -malign-loops, -malign-jumps and -malign-functions.
7412
7413 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
7414
7415         PR target/39152
7416         * config/i386/i386.md: Restrict the new peephole2 to move
7417         between the general purpose registers.
7418
7419 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
7420
7421         PR target/39162
7422         * config/i386/i386.c (type_natural_mode): Add a new argument.
7423         Return the original mode and warn ABI change if vector size is 32byte.
7424         (function_arg_advance): Updated.
7425         (function_arg): Likewise.
7426         (ix86_function_value): Likewise.
7427         (ix86_return_in_memory): Likewise.
7428         (ix86_sol10_return_in_memory): Likewise.
7429         (ix86_gimplify_va_arg): Likewise.
7430         (function_arg_32): Don't warn ABX ABI change here.
7431         (function_arg_64): Likewise.
7432
7433 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
7434
7435         * loop-iv.c (implies_p): In the final case, test that operands 0
7436         of the two comparisons match.
7437
7438         * config/bfin/bfin.c (find_prev_insn_start): New function.
7439         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
7440         (find_next_insn_start): Move.
7441
7442 2009-02-13  Richard Guenther  <rguenther@suse.de>
7443
7444         * configure.ac: Enable LFS.
7445         * configure: Re-generate.
7446         * config.in: Likewise.
7447
7448 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
7449
7450         PR c/35444
7451         * c-parser.c (c_parser_parms_list_declarator): Discard pending
7452         sizes on syntax error after some arguments have been parsed.
7453
7454 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
7455
7456         * doc/invoke.texi (-fira): Remove.
7457
7458 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
7459
7460         * caller-save.c: Replace regclass.c with reginfo.c in comments.
7461         * recog.c: Likewise.
7462         * rtl.h: Likewise.
7463
7464 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
7465
7466         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
7467         (umul_ppmm): Likewise.
7468         (count_leading_zeros): Likewise.
7469         (count_trailing_zeros): Likewise.
7470         (UMUL_TIME): Likewise.
7471
7472 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
7473
7474         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
7475         soft-fp/t-softfp to tmake_file.
7476
7477         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
7478         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
7479         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
7480         IA64_BUILTIN_INFQ]: New.
7481         (ia64_init_builtins): Initialize __builtin_infq,
7482         __builtin_fabsq and __builtin_copysignq if not HPUX.
7483         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
7484         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
7485
7486         * config/ia64/lib1funcs.asm (__divtf3): Define only if
7487         SHARED is defined.
7488         (__fixtfti): Likewise.
7489         (__fixunstfti): Likewise.
7490         (__floattitf): Likewise.
7491
7492         * config/ia64/libgcc-glibc.ver: New.
7493         * config/ia64/t-fprules-softfp: Likewise.
7494         * config/ia64/sfp-machine.h: Likewise.
7495
7496         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
7497         (LIBGCC2_TF_CEXT): Likewise.
7498         (TF_SIZE): Likewise.
7499         (TARGET_INIT_LIBFUNCS): Likewise.
7500
7501         * config/ia64/t-glibc (SHLINB_MAPFILES):
7502         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
7503
7504 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
7505
7506         * config/i386/i386.c (construct_container): Rewrite processing
7507         BLKmode with X86_64_SSE_CLASS.
7508
7509 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
7510
7511         PR target/39152
7512         * config/i386/i386.md: Replace simplify_replace_rtx with
7513         replace_rtx in the new peephole2.
7514
7515 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
7516
7517         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
7518         loop unrolling do not happen at -O2.
7519
7520 2009-02-12  Michael Matz  <matz@suse.de>
7521
7522         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
7523
7524 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
7525
7526         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
7527         for -g3.
7528
7529 2009-02-12  Ben Elliston  <bje@au.ibm.com>
7530
7531         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
7532         patterns when updating the back chain.  Missed in the 2009-02-10
7533         change.
7534
7535 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
7536
7537         * doc/extend.texi (Decimal Floating Types): Update identifier of
7538         draft TR and list of missing support.
7539
7540 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
7541
7542         PR middle-end/39154
7543         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
7544         bit to variable length decl's flags, add it also to its
7545         pointer replacement variable.
7546
7547 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
7548             Jakub Jelinek  <jakub@redhat.com>
7549
7550         PR target/39118
7551         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
7552         (memory_blockage): New expander.
7553         (*memory_blockage): New insn pattern.
7554         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
7555         instead of general blockage at the end of function prologue when
7556         frame pointer is used to access red zone area.  Do not emit blockage
7557         when profiling, it is emitted in generic code.
7558         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
7559         function epilogue when frame pointer is used to access red zone area.
7560
7561 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
7562
7563         PR target/38824
7564         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
7565         by arithmetic with memory operands.
7566         * config/i386/predicates.md (commutative_operator): New.
7567
7568 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
7569
7570         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
7571         bulleted lists.
7572
7573 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
7574
7575         * alias.h (record_alias_subset): Declare.
7576         * alias.c (record_alias_subset): Make global.
7577
7578 2009-02-10  Nick Clifton  <nickc@redhat.com>
7579
7580         * tree-parloops.c: Change license to GPLv3.
7581         * ipa-struct-reorg.c: Change license to GPLv3.
7582         * ipa-struct-reorg.h: Change license to GPLv3.
7583
7584 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
7585
7586         PR c/39084
7587         * c-decl.c (start_struct): Return NULL on error.
7588
7589 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
7590
7591         PR middle-end/39124
7592         * cfgloopmanip.c (remove_path): Call remove_bbs after
7593         cancel_loop_tree, not before it.
7594
7595         PR target/39139
7596         * function.h (struct function): Add has_local_explicit_reg_vars bit.
7597         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
7598         VAR_DECLs were seen.
7599         * tree-ssa-live.c (remove_unused_locals): Recompute
7600         cfun->has_local_explicit_reg_vars.
7601         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
7602         copies or clearings if cfun->has_local_explicit_reg_vars.
7603
7604 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
7605
7606         PR target/39118
7607         * config/i386/i386.c (expand_prologue): Emit blockage at the end
7608         of function prologue when frame pointer is used to access
7609         red zone area.
7610
7611 2009-02-10  Richard Guenther  <rguenther@suse.de>
7612
7613         PR middle-end/39127
7614         * gimplify.c (gimple_regimplify_operands): Always look if
7615         we need to create a temporary.
7616
7617 2009-02-10  Richard Guenther  <rguenther@suse.de>
7618
7619         PR tree-optimization/39132
7620         * tree-loop-distribution.c (todo): New global var.
7621         (generate_memset_zero): Trigger TODO_rebuild_alias.
7622         (tree_loop_distribution): Return todo.
7623
7624 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
7625
7626         PR target/39119
7627         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
7628         (x86_64_reg_class_name): Removed.
7629         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
7630         first one isn't X86_64_SSE_CLASS or any other ones aren't
7631         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
7632         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
7633         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
7634         and 3 X86_64_SSEUP_CLASS.
7635         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
7636         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
7637
7638 2009-02-10  Ben Elliston  <bje@au.ibm.com>
7639
7640         * config/rs6000/rs6000.md (allocate_stack): Always use an update
7641         form instruction to update the stack back chain word, even if the
7642         user has disabled the generation of update instructions.
7643         (movdi_<mode>_update_stack): New.
7644         (movsi_update_stack): Likewise.
7645         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
7646         always use an update form instruction to update the stack back
7647         chain word.
7648
7649 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
7650
7651         PR middle-end/38953
7652         * graphite.c (if_region_set_false_region): After moving a region in
7653         the false branch of a condition, remove the empty dummy basic block.
7654         (gloog): Remove wrong fix for PR38953.
7655
7656 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7657
7658         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
7659         generation due to implicit sign extension.
7660
7661 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
7662
7663         PR middle-end/38981
7664         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
7665         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
7666
7667 2009-02-09  Richard Guenther  <rguenther@suse.de>
7668
7669         PR middle-end/35202
7670         * convert.c (convert_to_real): Disable (float)fn((double)x)
7671         to fnf(x) conversion if errno differences may occur and
7672         -fmath-errno is set.
7673
7674 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
7675
7676         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
7677         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7678         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7679
7680 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
7681
7682         PR c/35434
7683         * c-common.c (handle_alias_attribute): Disallow attribute for
7684         anything not a FUNCTION_DECL or VAR_DECL.
7685
7686 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
7687
7688         PR c/39035
7689         * real.c (do_compare): Special-case compare of zero against
7690         decimal float value.
7691
7692 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
7693
7694         PR c/36432
7695         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
7696         as indicating flexible array members unless the field itself is
7697         being declarared as the incomplete array.
7698
7699 2009-02-06  Jan Hubicka  <jh@suse.cz>
7700
7701         PR tree-optimization/38844
7702         * ipa-inline.c (try_inline): Stop inlining recursion when edge
7703         is already inlined.
7704
7705 2009-02-06  Richard Guenther  <rguenther@suse.de>
7706
7707         PR middle-end/38977
7708         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
7709         fork because we may expand it as __gcov_fork.
7710
7711 2009-02-06  Nick Clifton  <nickc@redhat.com>
7712
7713         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
7714
7715 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
7716
7717         PR tree-optimization/35659
7718         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
7719         vn_phi_eq): Shortcut if hashcode does not match.
7720         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
7721         NULL operands.
7722         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
7723         and avoid iterative_hash_expr.
7724         (FOR_EACH_VALUE_ID_IN_SET): New.
7725         (value_id_compare): Remove.
7726         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
7727         sort expressions by value id.
7728
7729 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
7730
7731         PR target/38991
7732         * config/sh/predicates.md (general_movsrc_operand): Don't check
7733         the subreg of system registers here.
7734
7735 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
7736
7737         PR c++/39106
7738         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
7739         on the copied decl.
7740
7741 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
7742
7743         PR rtl-optimization/39110
7744         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
7745         addresses, not aligned ones.
7746
7747 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
7748             Richard Guenther  <rguenther@suse.de>
7749
7750         PR tree-optimization/39100
7751         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
7752         comment says and add edges.
7753
7754 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
7755
7756         PR c/35435
7757         * c-common.c (handle_tls_model_attribute): Ignore attribute for
7758         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
7759
7760 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7761
7762         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
7763         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
7764         register_bb_in_sese, new_sese, free_sese): Moved.
7765         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
7766         outermost_loop_in_scop, build_scop_iteration_domain,
7767         expand_scalar_variables_ssa_name, get_vdef_before_scop,
7768         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
7769         Use loop_in_sese_p instead of loop_in_scop_p.
7770         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
7771         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
7772         (scopdet_basic_block_info): Fix bug in scop detection.
7773         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
7774         eq_loop_to_cloog_loop): Remove.
7775         (nb_loops_around_loop_in_scop, nb_loop
7776         ref_nb_loops): Moved here...
7777         * graphite.h (ref_nb_loops): ... from here.
7778         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
7779         (loop_domain_dim, loop_iteration_vector_dim): Remove.
7780         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
7781         * testsuite/gcc.dg/graphite/scop-19.c: New
7782
7783 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
7784             Hans-Peter Nilsson  <hp@axis.com>
7785
7786         PR rtl-optimization/37889
7787         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
7788         Move offset handling from PLUS to before the switch.  Use new
7789         arguments when considering SYMBOL_REFs too.
7790         (rtx_addr_can_trap_p): Pass dummy offset and size.
7791         (enum may_trap_p_flags): Remove.
7792         (may_trap_p_1): Pass size from MEM_SIZE.
7793
7794         PR rtl-optimization/38921
7795         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
7796         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
7797         * rtlanal.c (may_trap_after_code_motion_p): Delete.
7798         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
7799
7800 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
7801
7802         AVX Programming Reference (January, 2009)
7803         * config/i386/sse.md (*vpclmulqdq): New.
7804
7805 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
7806
7807         PR tree-optimization/38977
7808         PR gcov-profile/38292
7809         * calls.c (special_function_p): Disregard __builtin_ prefix.
7810
7811 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
7812
7813         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
7814         non-indexable addresses even before reload.
7815
7816 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
7817
7818         PR c/29129
7819         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
7820         as having variable size.  Do not give an error for unnamed
7821         parameters with [*] declarators.  Give a warning for type names
7822         with [*] declarators and mark them as variable size.
7823         * c-parser.c (c_parser_sizeof_expression): Do not give an error
7824         for sizeof applied to [*] type names.
7825
7826 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7827
7828         PR C++/36607
7829         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
7830
7831 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
7832
7833         * gcc.c (process_command): Update copyright notice dates.
7834         * gcov.c (print_version): Likewise.
7835         * gcov-dump.c (print_version): Likewise.
7836         * mips-tfile.c (main): Likewise.
7837         * mips-tdump.c (main): Likewise.
7838
7839 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
7840
7841         PR c/35433
7842         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
7843         for composite type involving a zero-length array type.
7844
7845 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
7846
7847         PR target/35318
7848         * function.c (match_asm_constraints_1): Skip over
7849         initial optional % in the constraint.
7850
7851         PR inline-asm/39059
7852         * c-parser.c (c_parser_postfix_expression): If fixed point is not
7853         supported, don't accept FIXED_CSTs.
7854         * c-decl.c (finish_declspecs): Error if fixed point is not supported
7855         and _Sat is used without _Fract/_Accum.  Set specs->type to
7856         integer_type_node for cts_fract/cts_accum if fixed point is not
7857         supported.
7858
7859 2009-02-02  Catherine Moore  <clm@codesourcery.com>
7860
7861         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
7862
7863 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
7864
7865         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
7866         (ABI_HAS_64BIT_SYMBOLS): Use it.
7867         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
7868
7869 2009-02-02  Paul Brook  <paul@codesourcery.com>
7870
7871         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
7872
7873 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
7874
7875         PR inline-asm/39058
7876         * recog.h (asm_operand_ok): Add constraints argument.
7877         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
7878         recurse on matching constraint.
7879         (check_asm_operands): Pass constraints as 3rd argument to
7880         asm_operand_ok.  Don't look up matching constraint here.
7881         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
7882         to asm_operand_ok.
7883
7884 2009-02-02  Ben Elliston  <bje@au.ibm.com>
7885
7886         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
7887         TARGET_NARROW_VOLATILE_BITFIELD macro names.
7888
7889 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7890
7891         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
7892         information.  Remove some obsolete information.  Reorganize.
7893
7894         * config/pa/fptr.c: Revert license to GPL 2.
7895         * config/pa/milli64.S: Likewise.
7896
7897 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
7898
7899         PR target/38904
7900         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
7901         LIBRARY name in, instead of hard-coding it.
7902         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
7903         extra target make frag to tmake_files according to EH model.
7904         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
7905         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
7906         frags that define makefile variable EH_MODEL appropriately.
7907         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
7908         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
7909         to "-sjlj" according to type of EH configured.
7910         (LIBGCC_SONAME):  Concatenate it to shared library base name.
7911         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
7912         to "_sjlj" according to type of EH configured.
7913         (LIBGCC_SONAME):  Concatenate it to shared library base name.
7914         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
7915         (SHLIB_LINK):  Add missing semicolon to if-else construct.
7916         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
7917         string value of "pe_dll" command-line option.
7918         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
7919         (SHLIB_SONAME):  Use it when overriding t-cygming default.
7920         (SHLIB_IMPLIB):  Override t-cygming default.
7921         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
7922         string value of "pe_dll" command-line option.
7923
7924 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
7925
7926         PR target/38952
7927         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
7928         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
7929
7930 2009-01-31  Richard Guenther  <rguenther@suse.de>
7931
7932         PR tree-optimization/38937
7933         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
7934         computing the transitive closure.
7935
7936 2009-01-30  Richard Guenther  <rguenther@suse.de>
7937
7938         PR tree-optimization/39041
7939         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
7940         Propagate variable indices only if the types match for this stmt.
7941
7942 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
7943
7944         PR target/39013
7945         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
7946         inline but never defined.
7947
7948 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
7949
7950         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
7951         (*insv_h_di_reg_extimm): New insn.
7952         (*insv_l<mode>_reg_extimm): New insn.
7953
7954 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
7955
7956         * config/picochip/picochip.c (flag_conserve_stack): set
7957         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
7958         fconserve-stack. Reduce call-overhead used by inliner.
7959
7960 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
7961
7962         PR/38157
7963         * common.opt (flag_conserve_stack): Initialised to zero.
7964
7965 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
7966
7967         PR/39002
7968         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
7969         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
7970         method.
7971
7972 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
7973
7974         * ira-color.c (allocno_reload_assign): Update comments.
7975         * regmove.c (regmove_optimize): Likewise.
7976
7977         * ra.h: Removed.
7978
7979 2009-01-29  Robert Millan  <rmh@aybabtu.com>
7980
7981         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
7982         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
7983         `MD_UNWIND_SUPPORT'.
7984         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
7985
7986 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
7987
7988         PR tree-optimization/39007
7989         * tree-loop-distribution.c (generate_builtin): Use
7990         recompute_dominator to compute the immediate dominator of the
7991         basic block just after the loop.
7992
7993 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7994
7995         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
7996         (ASM_OUTPUT_DWARF_PCREL): Define.
7997
7998 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
7999
8000         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
8001         * doc/passes.texi: Remove entries about regclass, local-alloc, and
8002         global.  Modify entries about regmove and IRA.
8003
8004         * ra-conflict.c: Remove the file.
8005
8006         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
8007
8008         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
8009         (pass_regclass_init): Rename to pass_reginfo_init.
8010
8011         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
8012
8013         * toplev.h (flag_ira): Remove.
8014
8015         * caller-save.c (setup_save_areas): Remove flag_ira.
8016
8017         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
8018
8019         * global.c: Remove the file.
8020
8021         * opts.c (decode_options): Remove flag_ira.
8022
8023         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
8024
8025         * regmove.c: Modify file description.
8026         (find_use_as_address, try_auto_increment): Define them only if
8027         AUTO_INC_DEC is defined.
8028         (replacement_quality, replace_in_call_usage, fixup_match_1,
8029         stable_and_no_regs_but_for_p): Remove.
8030         (reg_set_in_bb): Make it static.
8031         (regmove_optimize): Remove flag_ira and code which worked for
8032         !flag_ira.
8033
8034         * local-alloc.c: Remove the file.
8035
8036         * common.opt (fira): Remove.
8037
8038         * ira.c: Include except.h.
8039         (eliminable_regset): Move from global.c.
8040         (mark_elimination): Ditto.  Remove flag_ira.
8041         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
8042         equiv_mem_modified, validate_equiv_mem_from_store,
8043         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
8044         contains_replace_regs, memref_referenced_p, memref_used_between_p,
8045         no_equiv, recorded_label_ref): Move from local-alloc.c.
8046         (update_equiv_regs): Ditto.  Make it static.
8047         (print_insn_chain, print_insn_chains): Move it from global.c.
8048         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
8049         (build_insn_chain): Ditto.  Make it static.
8050         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
8051         Rename to init_live_subregs.
8052         (gate_ira): Remove flag_ira.
8053
8054         * regclass.c: Rename reginfo.c.  Change file description.
8055         (FORBIDDEN_INC_DEC_CLASSES): Remove.
8056         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
8057         (init_reg_sets_1): Remove code for evaluation of
8058         reg_class_superclasses and losing_caller_save_reg_set.
8059         (init_regs): Remove init_reg_autoinc.
8060         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
8061         ok_for_base_p_nonstrict): Remove.
8062         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
8063         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
8064         corresponding entries.
8065         (dump_regclass, record_operand_costs, scan_one_insn,
8066         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
8067         record_address_regs, auto_inc_dec_reg_p): Remove.
8068         (gt-regclass.h): Rename to gt-reginfo.h.
8069
8070         * rtl.h (dump_global_regs, retry_global_alloc,
8071         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
8072
8073         * Makefile.in (RA_H): Remove.
8074         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
8075         Rename regclass.o to reginfo.o.
8076         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
8077         gt-reginfo.h.
8078         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
8079         (GTFILES): Rename regclass.c to reginfo.c.
8080
8081         * passes.c (init_optimization_passes): Remove pass_local_alloc and
8082         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
8083
8084         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
8085         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
8086         Remove flag_ira.
8087         (finish_spills): Ditto.  Remove code for !flag_ira.
8088
8089 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
8090
8091         PR middle-end/35854
8092         * doc/invoke.texi (rtl debug options): Complete rewrite.
8093         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
8094         to auto_inc_dec".
8095         * mode-switching.c (pass_mode_switching): Rename pass from
8096         "mode-sw" to "mode_sw".
8097         * except.c (pass_convert_to_eh_ranges): Rename pass from
8098         "eh-ranges" to "eh_ranges".
8099         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
8100         to "subreg1".
8101
8102
8103 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
8104             Alexander Monakov  <amonakov@ispras.ru>
8105
8106         PR middle-end/38857
8107         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
8108         register.
8109         (move_exprs_to_boundary): Change return type and pass through
8110         should_move from move_op.  Relax assert.  Update usage ...
8111         (schedule_expr_on_boundary): ... here.  Use should_move instead of
8112         cant_move.
8113         (move_op_orig_expr_found): Indicate that insn was disconnected from
8114         stream.
8115         (code_motion_process_successors): Do not call after_merge_succs
8116         callback if original expression was not found when traversing any of
8117         the branches.
8118         (code_motion_path_driver): Change return type.  Update prototype.
8119         (move_op): Update comment.  Add a new parameter (should_move).  Update
8120         prototype.  Set *should_move based on indication provided by
8121         move_op_orig_expr_found.
8122
8123 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
8124
8125         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
8126         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
8127         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
8128         * config/rs6000/rs6000.c (rs6000_override_options): Default
8129         avoid-indexed-addresses on for Power6, off for everything else.
8130         (avoiding_indexed_address_p): New function.
8131         (rs6000_legitimize_address): Use it.
8132         (rs6000_legitimate_address): Likewise.
8133         * config/rs6000/rs6000.md (movXX_updateX): Likewise
8134
8135 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
8136
8137         PR tree-optimization/38997
8138         * tree-loop-distribution.c (generate_memset_zero): Use
8139         POINTER_PLUS_EXPR for a pointer addition.
8140
8141 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
8142
8143         * config/s390/s390.md (bswap<mode>2): New pattern added.
8144
8145 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
8146
8147         * config/s390/s390.md (*tls_load_31): Added type attribute.
8148
8149 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
8150
8151         * config/s390/s390.md: Fix a few comments.
8152
8153 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
8154
8155         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
8156         (*tm<mode>_full): Fixed z10prop attribute.
8157         (*tst<mode>_extimm): Fixed z10prop attribute.
8158         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
8159         (*tstqiCCT_cconly): Fixed z10prop attribute.
8160         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
8161         (*movsi_larl): Fixed z10prop attribute.
8162         (*movsi_zarch): Fixed z10prop attribute.
8163         (*movsi_eas): Fixed z10prop attribute.
8164         (*movhi): Fixed z10prop attribute.
8165         (*movqi): Fixed z10prop attribute.
8166         (*movstrictqi): Fixed z10prop attribute.
8167         (*mov<mode>): Fixed z10prop attribute.
8168         (*movcc): Fixed z10prop attribute.
8169         (*sethighpartdi_64): Fixed z10prop attribute.
8170         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
8171         (*negdi2_sign_cc): Fixed z10prop attribute.
8172         (*negdi2_sign): Fixed z10prop attribute.
8173         (*absdi2_sign_cc): Fixed z10prop attribute.
8174         (*absdi2_sign): Fixed z10prop attribute.
8175         (*negabsdi2_sign_cc): Fixed z10prop attribute.
8176         (*negabsdi2_sign): Fixed z10prop attribute.
8177         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
8178         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
8179         (doloop_si64): Fixed z10prop attribute.
8180         (doloop_si31): Fixed z10prop attribute.
8181         (doloop_long): Fixed z10prop attribute.
8182         (indirect_jump): Fixed z10prop attribute.
8183         (nop): Fixed z10prop attribute.
8184         (main_base_64): Fixed z10prop attribute.
8185         (reload_base_64): Fixed z10prop attribute.
8186
8187 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
8188
8189         PR rtl-optimization/38740
8190         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
8191         if !optimize.
8192         * config/mips/mips.c (mips_reorg): Likewise.
8193
8194 2009-01-28  Richard Guenther  <rguenther@suse.de>
8195
8196         PR tree-optimization/38926
8197         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
8198         with the correct value id to a value.
8199         (do_regular_insertion): Use the value number of edoubleprime
8200         for the value number of the expr.
8201
8202         Revert
8203         2008-08-21  Richard Guenther  <rguenther@suse.de>
8204
8205         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
8206         a PHI ask VN if it is already available.
8207         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
8208         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
8209
8210 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
8211
8212         PR middle-end/38934
8213         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
8214         set to varying whenever max has TREE_OVERFLOW set, similarly
8215         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
8216
8217 2009-01-28  Richard Guenther  <rguenther@suse.de>
8218
8219         PR middle-end/38908
8220         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
8221         uninitialized aggregate uses in call arguments.
8222
8223 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
8224
8225         PR tree-optimization/38984
8226         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
8227         the nothing_id variable if -fno-delete-null-pointer-checks.
8228
8229 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
8230
8231         PR target/38988
8232         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
8233         (set_got_offset_rex64): Ditto.
8234
8235 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
8236
8237         PR target/38941
8238         * doc/extend.texi: Improve local variable with asm reg.
8239
8240 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
8241
8242         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
8243         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
8244         was not supplied then set warn_packed_bitfield_compat to the
8245         default value of 1.
8246         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
8247         against 1.
8248
8249 2009-01-27  Richard Guenther  <rguenther@suse.de>
8250
8251         PR tree-optimization/38503
8252         * cfgexpand.c (expand_gimple_basic_block): Ignore
8253         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
8254         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
8255         variables that cannot have TBAA applied.
8256         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
8257         statements.
8258
8259 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
8260
8261         PR middle-end/38969
8262         * calls.c (initialize_argument_information): Do not wrap complex
8263         arguments in SAVE_EXPR.
8264
8265 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
8266
8267         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
8268         (INSTALL_LIBGCC): Revert typo commit.
8269
8270 2009-01-26  Richard Guenther  <rguenther@suse.de>
8271
8272         PR tree-optimization/38745
8273         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
8274         from special handling.
8275
8276 2009-01-26  Richard Guenther  <rguenther@suse.de>
8277
8278         PR tree-optimization/38745
8279         * tree-ssa.c (execute_update_addresses_taken): Do not include
8280         variables that cannot possibly be a register in not_reg_needs.
8281         Do not clear TREE_ADDRESSABLE on vars that may not become
8282         registers.
8283         * tree-ssa.c (update_alias_info_1): Include those in the set
8284         of addressable vars.
8285
8286 2009-01-26  Richard Guenther  <rguenther@suse.de>
8287
8288         PR middle-end/38851
8289         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
8290         * tree-ssa-dse.c: Include langhooks.h
8291         (execute_simple_dse): Remove stores with zero size.
8292
8293 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
8294
8295         PR c/38957
8296         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
8297         as PLUS_EXPR.
8298
8299 2009-01-24  Julian Brown  <julian@codesourcery.com>
8300
8301         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
8302         config/arm/linux-atomic.c.
8303         * config/arm/linux-atomic.c: New.
8304
8305 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
8306
8307         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
8308         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
8309         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
8310
8311 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
8312
8313         PR c/38938
8314         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
8315         properly.
8316
8317 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
8318
8319         PR tree-optimization/38953
8320         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
8321         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
8322         (gloog): Split the exit of the scop when the scop exit is a loop exit.
8323         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
8324         changed the CFG.
8325
8326 2009-01-24  Paul Brook  <paul@codesourcery.com>
8327
8328         * config/arm/neon.md (neon_type): Move to arm.md.
8329         (neon_mov<VSTRUCT>): Add neon_type attribute.
8330         * config/arm/arm.md (neon_type): Move to here.
8331         (conds): Add "unconditioal" and use as default for NEON insns.
8332
8333 2009-01-24  Ben Elliston  <bje@au.ibm.com>
8334
8335         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
8336         void *' warning from -Wc++-compat.
8337         * Makefile.in (dominance.o-warn): Remove.
8338
8339 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
8340
8341         PR tree-optimization/38932
8342         * fold-const.c (fold_unary_ignore_overflow): New.
8343         * tree.h (fold_unary_ignore_overflow): Declare.
8344         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
8345         * tree-ssa-sccvn.c (visit_reference_op_load,
8346         simplify_unary_expression): Likewise.
8347
8348 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
8349
8350         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
8351         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
8352         regardless of their type.
8353         * c-common.c (handle_packed_attribute): Don't ignore packed on
8354         bitfields.
8355         * c.opt (Wpacked-bitfield-compat): New warning option.
8356         * stor-layout.c (place_field): Warn if offset of a field changed.
8357         * doc/extend.texi (packed): Mention the ABI change.
8358         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
8359         (Warning Options): Add it to the list.
8360
8361 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
8362
8363         * c-opts.c (c_common_post_options): Fix a typo in comments.
8364
8365 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
8366
8367         PR middle-end/38615
8368         * gimplify.c (gimplify_init_constructor): Fix promotion of const
8369         variables to static.
8370         * doc/invoke.texi (-fmerge-all-constants): Update description.
8371
8372 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
8373
8374         PR target/38931
8375         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
8376         (*movdi_1_rex64): Use type "mmx" for alternative 5.
8377
8378 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
8379
8380         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
8381         a word boundary.
8382         (LOCAL_ALIGNMENT): Similarly.
8383
8384 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
8385             Joseph Myers  <joseph@codesourcery.com>
8386
8387         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
8388         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
8389         * config/arm/arm-tune.md: Regenerate.
8390         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
8391         -march=iwmmxt2.
8392
8393 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
8394
8395         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
8396         version number to five.
8397
8398 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
8399
8400         PR c++/38930
8401         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
8402         * c-common.c (set_underlying_type): Likewise.
8403         (is_typedef_decl ): Likewise
8404         * tree.h: Likewise
8405         (set_underlying_type): Likewise.
8406         (is_typedef_type): Likewise.
8407
8408 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
8409
8410         PR middle-end/38587
8411         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
8412         crossing setjmps.
8413
8414 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
8415
8416         PR bootstrap/37660
8417         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
8418         (LIBGCC_SPEC):  Don't define.
8419         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
8420
8421 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
8422
8423         PR rtl-optimization/38879
8424         * alias.c (base_alias_check): Unaligned access via AND address can
8425         alias all surrounding object types except those with sizes equal
8426         or wider than the size of unaligned access.
8427
8428 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
8429
8430         PR c++/26693
8431         * c-decl.c (clone_underlying_type): Move this ...
8432         * c-common.c (set_underlying_type): ... here.
8433         Also, make sure the function properly sets TYPE_STUB_DECL() on
8434         the newly created typedef variant type.
8435         (is_typedef_decl ): New entry point.
8436         * tree.h: Added a new member member_types_needing_access_check to
8437         struct tree_decl_non_common.
8438         (set_underlying_type): New entry point.
8439         (is_typedef_type): Likewise.
8440
8441 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
8442
8443         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
8444         Check whether two instructions have memory references that
8445         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
8446         are helper functions for traversing.
8447         * alias.h (insn_alias_sets_confilict_p): New prototypes.
8448         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
8449         not to draw dependency edge for instructions with non-conflicting
8450         alias sets.
8451
8452 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
8453
8454         PR other/38758
8455         * longlong.h: Update copyright years.  Use soft-fp license notice.
8456         Sync __clz_tab declaration with glibc.
8457
8458 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
8459
8460         PR target/30687
8461         * doc/extend.texi (syscall_linkage): New.
8462         (version_id): Modify.
8463
8464 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8465             Richard Guenther  <rguenther@suse.de>
8466
8467         PR tree-optimization/38747
8468         PR tree-optimization/38748
8469         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
8470         conversion if the base address is an indirect reference and the
8471         aliasing sets could cause issues.
8472
8473 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
8474
8475         * common.opt (fgraphite, fgraphite-identity): Add comment for
8476         explaining why these options are not documented.
8477
8478 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
8479
8480         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
8481         gimple_call_lhs is NULL.
8482
8483 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
8484
8485         PR target/38868
8486         * emit-rtl.c (adjust_address_1): Make sure memref is never
8487         overwritten.
8488
8489 2009-01-20  Ben Elliston  <bje@au.ibm.com>
8490
8491         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
8492         const qualifier from arg parameter. Remove unnecessary cast to char *.
8493         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
8494         const qualifier from arg 2.
8495
8496 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
8497
8498         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
8499
8500 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
8501
8502         PR c/38869
8503         * rtl.h (reinit_regs): New prototype.
8504         * regclass.c: Include ira.h.
8505         (reinit_regs): New.
8506         * Makefile.in (regclass.o): Add ira.h.
8507         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
8508
8509 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
8510
8511         PR target/38736
8512         * c-common.c (handle_aligned_attribute): Use
8513         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
8514         default alignment value.
8515
8516         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
8517
8518         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
8519         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
8520
8521         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
8522         __BIGGEST_ALIGNMENT__.
8523
8524         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
8525
8526 2009-01-18  Richard Guenther  <rguenther@suse.de>
8527
8528         PR tree-optimization/38819
8529         * tree-flow.h (operation_could_trap_helper_p): Declare.
8530         * tree-eh.c (operation_could_trap_helper_p): Export.
8531         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
8532         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
8533         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
8534         are about to insert a possibly trapping instruction and fail
8535         in this case.
8536
8537 2009-01-18  Andreas Schwab  <schwab@suse.de>
8538
8539         * doc/install.texi (Configuration): Remove obsolete paragraph
8540         about use of --with-gnu-ld with --with-gnu-as.
8541
8542 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
8543
8544         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
8545         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
8546         Follow spelling conventions.
8547
8548 2009-01-18  Ben Elliston  <bje@au.ibm.com>
8549
8550         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
8551         C++ warning about implicit conversion from void * to struct
8552         bitmap_head_def *.
8553         (bitmap_obstack_free): Likewise for bitmap_element *.
8554         * Makefile.in (bitmap.o-warn): Remove.
8555
8556 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
8557
8558         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
8559
8560 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
8561             Tobias Grosser  <tobi.grosser@amd.com>
8562
8563         * graphite.c (graphite_trans_scop_block): Do not block single
8564         nested loops.
8565
8566 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
8567
8568         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
8569         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
8570         test with assertion.
8571
8572 2009-01-16  Richard Guenther  <rguenther@suse.de>
8573
8574         PR tree-optimization/38835
8575         PR middle-end/36227
8576         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
8577         and INT + PTR -> (INT)(PTR p+ INT) folding.
8578         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
8579
8580 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
8581
8582         PR target/38554
8583         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
8584         the subreg from a lowpart subreg if it is also casting the value.
8585
8586 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
8587             Tobias Grosser  <tobi.grosser@amd.com>
8588
8589         * graphite.c (compare_prefix_loops): New.
8590         (build_scop_canonical_schedules): Rewritten.
8591         (graphite_transform_loops): Move build_scop_canonical_schedules
8592         after build_scop_iteration_domain.
8593
8594 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
8595             Tobias Grosser  <tobi.grosser@amd.com>
8596
8597         * graphite.c (add_conditions_to_domain): Add the loops to
8598         the dimension of the iteration domain.  Do copy the domain
8599         only when it exists.
8600         (build_scop_conditions_1): Do not call add_conditions_to_domain.
8601         (add_conditions_to_constraints): New.
8602         (can_generate_code_stmt, can_generate_code): Removed.
8603         (gloog): Do not call can_generate_code.
8604         (graphite_transform_loops): Call add_conditions_to_constraints
8605         after building the iteration domain.
8606
8607 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
8608
8609         PR tree-optimization/38789
8610         * tree-ssa-threadedge.c
8611         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
8612         __builtin_constant_p.
8613
8614 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
8615
8616         * dce.c (delete_unmarked_insns): Reversed the order that insns are
8617         examined before deleting them.
8618
8619 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
8620
8621         * function.c (aggregate_value_p): Correctly extract the function
8622         type from CALL_EXPR_FN lookup.
8623
8624 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
8625
8626         * config/picochip/picochip.c (picochip_override_options): Revert
8627         CFI asm flag disable commited previously.
8628
8629 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
8630             Tobias Grosser  <tobi.grosser@amd.com>
8631             Jan Sjodin  <jan.sjodin@amd.com>
8632
8633         * graphite.c (scan_tree_for_params): On substractions negate
8634         all the coefficients of the term.
8635         (clast_to_gcc_expression_red): New.  Handle reduction expressions
8636         of more than two operands.
8637         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
8638         (get_vdef_before_scop): Handle also the case of default definitions.
8639
8640 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
8641
8642         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
8643         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
8644         Also use them when walking CALL_INSN_FUNCTION_USAGE.
8645
8646 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
8647             Joey Ye  <joey.ye@intel.com>
8648
8649         PR middle-end/37843
8650         * cfgexpand.c (expand_stack_alignment): Don't update stack
8651         boundary nor check incoming stack boundary here.
8652         (gimple_expand_cfg): Update stack boundary and check incoming
8653         stack boundary here.
8654
8655 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
8656
8657         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
8658
8659 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
8660
8661         PR rtl-optimization/38245
8662         * calls.c (expand_call): Add stack arguments to
8663         CALL_INSN_FUNCTION_USAGE even for pure calls (when
8664         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
8665         in regs and partially in memory or BLKmode arguments.
8666         (emit_library_call_value_1): Add stack arguments to
8667         CALL_INSN_FUNCTION_USAGE even for pure calls (when
8668         ACCUMULATE_OUTGOING_ARGS).
8669         * dce.c: Include tm_p.h.
8670         (find_call_stack_args): New function.
8671         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
8672         argument.
8673         (mark_insn): Call find_call_stack_args for CALL_Ps.
8674         (prescan_insns_for_dce): Walk insns backwards in bb rather than
8675         forwards.  Allocate and free arg_stores bitmap if needed, pass it
8676         down to deletable_insn_p, don't mark stores set in arg_stores
8677         bitmap, clear the bitmap at the beginning of each bb.
8678         * Makefile.in (dce.o): Depend on $(TM_P_H).
8679
8680 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
8681
8682         PR target/22599
8683         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
8684         to make sure the insn is a conditional test (bug 22599).  Reformat a
8685         few long lines.
8686
8687 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
8688
8689         PR middle-end/38431
8690         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
8691         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
8692         (gloog): Do not call cleanup_tree_cfg.
8693         (graphite_transform_loops): Call cleanup_tree_cfg after all
8694         scops have been code generated.
8695
8696 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
8697         * doc/gty.texi (Invoking the garbage collector): Added new node
8698         and section documenting ggc_collect.
8699
8700 2009-01-14  Richard Guenther  <rguenther@suse.de>
8701
8702         PR tree-optimization/38826
8703         PR middle-end/38477
8704         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
8705         initialization notes only if we actually emitted a warning.
8706         (intra_create_variable_infos): Add constraints for a result decl
8707         that is passed by hidden reference.
8708         (build_pred_graph): Mark all related variables non-direct on
8709         address-taking.
8710
8711 2009-01-14  Nick Clifton  <nickc@redhat.com>
8712
8713         * ira-conflicts.c: Include addresses.h for the definition of
8714         base_reg_class.
8715         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
8716         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
8717
8718 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
8719
8720         PR target/38811
8721         * Makefile.in (ira-lives.o): Add except.h.
8722
8723         * ira-lives.c: Include except.h.
8724         (process_bb_node_lives): Process can_throw_internal.
8725
8726 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
8727
8728         PR rtl-optimization/38774
8729         * combine.c (simplify_set): When undoing cc_use change, don't do
8730         PUT_CODE on the newly created comparison, but instead put back the
8731         old comparison.
8732
8733 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
8734
8735         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
8736         values.  Remove duplicate arm8 entry.
8737
8738 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
8739
8740         PR tree-optimization/38786
8741         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
8742         the SSA_NAME case of expand_scalar_variables_expr.
8743         Set the type of an expression to the type of its assign statement.
8744         (expand_scalar_variables_expr): Also gather the scalar computation
8745         used to index the memory access.  Do not pass loop_p.
8746         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
8747         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
8748         the gimple_stmt_iterator where it inserts new code.
8749         Do not pass loop_p.
8750         (copy_bb_and_scalar_dependences): Do not pass loop_p.
8751         (translate_clast): Update call to copy_bb_and_scalar_dependences.
8752
8753 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
8754
8755         * graphite.h (debug_value): Removed.
8756         * graphite.c (debug_value): Removed.
8757
8758 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
8759
8760         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
8761         ldrd/strd with two 32-bit instructions.
8762
8763 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
8764
8765         * config/arm/arm.c (struct processors): Pass for speed down into
8766         cost helper functions.
8767         (const_ok_for_op): Handle COMPARE and inequality nodes.
8768         (arm_rtx_costs_1): Rewrite.
8769         (arm_size_rtx_costs): Update prototype.
8770         (arm_rtx_costs): Pass speed down to helper functions.
8771         (arm_slowmul_rtx_costs): Rework cost calculations.
8772         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
8773         (arm_9e_rtx_costs): Likewise.
8774
8775 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
8776
8777         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
8778         relocations of local symbols wider than UNITS_PER_WORD are not valid.
8779         (alpha_legitimize_address): Do not split local symbols wider than
8780         UNITS_PER_WORD into HIGH/LO_SUM parts.
8781
8782 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
8783
8784         PR bootstrap/38580
8785         * gcc.c (process_command): Replace call to execvp with calls
8786         to pex_one and exit.
8787
8788 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
8789
8790         PR target/29141
8791         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
8792         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
8793         variant for devices with 3-byte PC.
8794         (__tablejump_elpm__): New.
8795
8796 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
8797
8798         PR c/32041
8799         * c-parser.c (c_parser_postfix_expression): Allow `->' in
8800         offsetof member-designator, handle it as `[0].'.
8801
8802 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8803
8804         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
8805         function when not using named sections on targets with named sections
8806         if branch distance is less than 262132.
8807
8808 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
8809
8810         * combine.c (combine_instructions):  Recompute
8811         optimize_this_for_speed_p  for each BB in the main combine loop.
8812
8813 2009-01-12  Tomas Bily  <tbily@suse.cz>
8814
8815         PR middlend/38385
8816         * tree-loop-distribution.c (prop_phis): New function.
8817         (generate_builtin): Call prop_phis.
8818         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
8819
8820 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
8821
8822         PR tree-optimization/38807
8823         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
8824         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
8825
8826 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
8827
8828         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
8829         subreg of op0 to the original op0.
8830
8831 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
8832
8833         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
8834
8835 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
8836
8837         PR debug/7055
8838         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
8839         starting with digits.
8840
8841 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
8842
8843         PR target/38695
8844         * config/arm/arm.c (arm_is_long_call_p): Don't call
8845         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
8846
8847 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
8848
8849         * regrename.c (regrename_optimize): Fix dumping.
8850         (find_oldest_value_reg): Preserve REG_POINTER.
8851         (copy_hardreg_forward_1): Likewise.
8852
8853 2009-01-09  Diego Novillo  <dnovillo@google.com>
8854
8855         * gimple.h (struct gimple_statement_base) <uid>: Document
8856         the restrictions on its use.
8857         (gimple_uid): Tidy.
8858         (gimple_set_uid): Tidy.
8859
8860 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
8861
8862         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
8863         zero guard even if align_bytes != 0 and count is smaller than
8864         size_needed.
8865
8866 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
8867
8868         PR rtl-optimization/38495
8869         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
8870         (add_range_and_copies_from_move_list): Print all added ranges.
8871         Add ranges to memory optimized destination.
8872
8873 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
8874
8875         PR target/38686
8876         PR target/38708
8877         * config/i386/i386.c (override_options): Reject
8878         -mstringop-strategy=rep_8byte with -m32.
8879         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
8880         to 1.  Do count comparison against epilogue_size_needed at compile
8881         time even when count_exp was constant forced into register.  For
8882         size_needed don't jump to epilogue, instead just avoid aligning
8883         and invoke the body algorithm.  If need_zero_guard, add zero guard
8884         even if count is non-zero, but smaller than size_needed + number of
8885         bytes that could be stored for alignment.
8886         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
8887         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
8888         but smaller than size_needed + number of bytes that could be stored
8889         for alignment.  Compare size_needed with epilogue_size_needed instead
8890         of desired_align - align, don't adjust size_needed, pass
8891         epilogue_size_needed to the epilogue expanders.
8892
8893         PR c/35742
8894         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
8895
8896 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8897
8898         * pa.c (last_address): Change to unsigned.
8899         (update_total_code_bytes): Change argument to unsigned.  Don't
8900         check if insn addresses are set.
8901         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
8902         addresses are not set.
8903         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
8904
8905 2009-01-09  Nick Clifton  <nickc@redhat.com>
8906
8907         * config/sh/symbian.c: Replace uses of DECL_INLINE with
8908         DECL_DECLARED_INLINE_P.
8909
8910 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
8911
8912         PR middle-end/38347
8913         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
8914         GET_MODE (op0) in operand_subword_force calls.
8915
8916         PR middle-end/38771
8917         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
8918         fold_convert arg0 operands to TREE_TYPE (op0) first.
8919
8920 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
8921
8922         * params.def (ira-max-conflict-table-size): Decrease default value
8923         to 1000.
8924
8925 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
8926
8927         PR tree-optimization/37031
8928         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
8929         on parameter_set.
8930         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
8931         allocate it using gc instead of heap, use VEC_quick_push instead of
8932         VEC_safe_push.
8933         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
8934         instead of heap, use VEC_quick_push instead of VEC_safe_push.
8935         * tree-data-ref.h (struct access_matrix): Change matrix to gc
8936         allocated vector from heap allocated.
8937         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
8938         * tree-loop-linear.c (linear_transform_loops): Allocate nest
8939         vector only after perfect_loop_nest_depth call.
8940
8941 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
8942             Jan Sjodin  <jan.sjodin@amd.com>
8943
8944         PR tree-optimization/38559
8945         * graphite.c (debug_value, copy_constraint,
8946         swap_constraint_variables, scale_constraint_variable, ): New.
8947         (get_lower_bound, get_upper_bound): Removed.
8948         (graphite_trans_bb_strip_mine): Clean up this code that works
8949         only for constant number of iterations.  Fully copy upper and
8950         lower bound constraints, not only the constant part of them.
8951         * graphite.h (debug_value): Declared.
8952
8953 2009-01-08  Ira Rosen  <irar@il.ibm.com>
8954
8955         PR tree-optimization/37194
8956         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
8957         Don't add the cost of cost model guard in prologue to scalar
8958         outside cost in case of known number of iterations.
8959
8960 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
8961             Alan Modra  <amodra@bigpond.net.au>
8962
8963         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
8964         non-word-aligned REG+CONST addressing.
8965
8966 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
8967
8968         PR target/38706
8969         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
8970         free_after_compilation when outputting a thunk.
8971         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
8972         Do not call free_after_compilation here.
8973
8974 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
8975
8976         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
8977         (ix86_valid_target_attribute_inner_p): Ditto.
8978
8979 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
8980
8981         PR tree-optimization/38492
8982         PR tree-optimization/38498
8983         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
8984         * tree-chrec.h (scev_is_linear_expression): Declared.
8985         * graphite.c (graphite_cannot_represent_loop_niter): New.
8986         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
8987         (graphite_loop_normal_form): Use gcc_assert.
8988         (scan_tree_for_params): Use CASE_CONVERT.
8989         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
8990         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
8991         Use gcc_assert.  Discard scops that contain unhandled cases.
8992         (build_scop_conditions): Return a boolean status for unhandled cases.
8993         (strip_mine_profitable_p): Print the loop number, not its depth.
8994         (is_interchange_valid): Pass the depth of the loop nest, don't
8995         recompute it wrongly.
8996         (graphite_trans_bb_block): Same.
8997         (graphite_trans_bb_block): Print tentative of loop blocking.
8998         (graphite_trans_scop_block): Do not print that the loop has been
8999         blocked.
9000         (graphite_transform_loops): Do not handle scops that contain condition
9001         scalar phi nodes.
9002
9003 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
9004
9005         AVX Programming Reference (December, 2008)
9006         * config/i386/avxintrin.h (_mm256_stream_si256): New.
9007         (_mm256_stream_pd): Likewise.
9008         (_mm256_stream_ps): Likewise.
9009
9010         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
9011         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
9012         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
9013         (bdesc_special_args): Add __builtin_ia32_movntdq256,
9014         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
9015         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
9016         (ix86_expand_special_args_builtin): Likewise.
9017
9018         * config/i386/sse.md (AVXMODEDI): New.
9019         (avx_movnt<mode>): Likewise.
9020         (avx_movnt<mode>): Likewise.
9021         (<sse>_movnt<mode>): Remove AVX support.
9022         (sse2_movntv2di): Likewise.
9023
9024 2009-01-07  Richard Guenther  <rguenther@suse.de>
9025
9026         PR middle-end/38751
9027         * fold-const.c (extract_muldiv): Remove obsolete comment.
9028         (fold_plusminus_mult_expr): Undo MINUS_EXPR
9029         to PLUS_EXPR canonicalization for the canonicalization.
9030
9031 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
9032
9033         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
9034         hosted cross-compilers generating less efficient code.
9035
9036 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
9037
9038         * function.h (rtl_data): Add a dbr_scheduled_p field.
9039         * reorg.c (dbr_schedule): Set it.
9040         (gate_handle_delay_slots): Check it.
9041         * config/mips/mips.c (mips_base_delayed_branch): Delete.
9042         (mips_reorg): Check flag_delayed_branch instead of
9043         mips_base_delayed_branch.
9044         (mips_override_options): Don't set mips_base_delayed_branch
9045         or flag_delayed_branch.
9046
9047 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
9048
9049         PR rtl-optimization/38426.
9050         * ira.c (ira): Set current_function_is_leaf earlier.
9051
9052 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
9053
9054         PR rtl-optimization/38722
9055         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
9056         too early, only set a flag and modify after last possible
9057         undo_all point.
9058
9059 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
9060
9061         PR c/34252
9062         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
9063         * real.c (decimal_single_format): Correct values of emin and emax.
9064         (decimal_double_format): Ditto.
9065         (decimal_quad_format): Ditto.
9066         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
9067         computation of DECnn_MIN and DECnn_MAX for corrected values of
9068         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
9069         __DECnn_MIN__, and adjust its computation for the corrected value
9070         of emin.
9071
9072 2009-01-06  Jan Hubicka  <jh@suse.cz>
9073
9074         PR target/38744
9075         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
9076
9077 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
9078
9079         * doc/contrib.texi (Contributors): Slightly adjust the end note.
9080         Add Robert Clark to the list of testers.
9081
9082 2009-01-06  Jan Hubicka  <jh@suse.cz>
9083             Kai Tietz  <kai.tietz@onevision.com>
9084
9085         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
9086         * config/i386/i386.c (ix86_expand_call): Add clobbers.
9087
9088 2009-01-06  Jan Hubicka  <jh@suse.cz>
9089             Kai Tietz  <kai.tietz@onevision.com>
9090
9091         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
9092         for w64 ABI.
9093         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
9094         (ix86_nsaved_regs): Count only general purpose regs.
9095         (ix86_nsaved_sseregs): New.
9096         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
9097         to 16 for w64; compute padding and size of sse reg save area.
9098         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
9099         general purpose regs.
9100         (ix86_emit_save_sse_regs_using_mov): New.
9101         (ix86_expand_prologue): Save SSE regs if needed.
9102         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
9103         (ix86_emit_restore_sse_regs_using_mov): New.
9104         (ix86_expand_epilogue): Save SSE regs if needed.
9105
9106 2009-01-06  Jan Hubicka  <jh@suse.cz>
9107             Kai Tietz  <kai.tietz@onevision.com>
9108
9109         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
9110         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
9111         functions when accumulate outgoing args is off.
9112
9113 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
9114
9115         PR bootstrap/38742
9116         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
9117         before using pseudos_have_intersected_live_ranges_p.
9118
9119         * ira-int.h (ira_assert): Always define.
9120
9121 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
9122
9123         AVX Programming Reference (December, 2008)
9124         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
9125         (_mm256_permute2_pd): Likewise.
9126         (_mm_permute2_ps): Likewise.
9127         (_mm256_permute2_ps): Likewise.
9128         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
9129         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
9130
9131         * config/i386/i386.c (ix86_builtins): Remove
9132         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
9133         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
9134         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
9135         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
9136         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
9137         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
9138         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
9139         __builtin_ia32_vpermil2ps256.
9140         (ix86_init_mmx_sse_builtins): Updated.
9141         (ix86_expand_args_builtin): Likewise.
9142
9143 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9144
9145         * pa.c (output_call): Relocate non-jump insns in the delay slot of
9146         long absolute calls when generating PA 2.0 code.
9147
9148 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
9149
9150         PR rtl-optimization/38583
9151         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
9152
9153         * params.def (ira-max-conflict-table-size): New.
9154
9155         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
9156
9157         * ira.h (ira_conflicts_p): New external definition.
9158
9159         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
9160         table.  Report this.  Return result of building.
9161         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
9162         building conflict table.
9163
9164         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
9165         (ira_color): Use ira_conflicts_p.
9166
9167         * global.c: Include ira.h.
9168         (pseudo_for_reload_consideration_p, build_insn_chain): Use
9169         ira_conflicts_p.
9170
9171         * Makefile.in (global.o): Add ira.h.
9172
9173         * ira-build.c (mark_all_loops_for_removal,
9174         propagate_some_info_from_allocno): New.
9175         (remove_unnecessary_allocnos): Call
9176         propagate_some_info_from_allocno.
9177         (remove_low_level_allocnos): New.
9178         (remove_unnecessary_regions): Add parameter.  Call
9179         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
9180         parameter to remove_unnecessary_regions.
9181         (ira_build): Remove all regions but root if the conflict table was
9182         not built.  Update conflict hard regs for allocnos crossing calls.
9183
9184         * ira.c (ira_conflicts_p): New global.
9185         (ira): Define and use ira_conflicts_p.
9186
9187         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
9188         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
9189         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
9190
9191 2009-01-06  Ben Elliston  <bje@au.ibm.com>
9192
9193         * gengtype-lex.l (YY_NO_INPUT): Define.
9194
9195 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9196
9197         PR c/34911
9198         * c-common.c (handle_vector_size_attribute): Also reject
9199         BOOLEAN_TYPE types.
9200
9201 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
9202
9203         PR tree-optimization/38492
9204         * graphite.c (rename_map_elt, debug_rename_elt,
9205         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
9206         rename_map_elt_info, eq_rename_map_elts,
9207         get_new_name_from_old_name, bb_in_sese_p): Moved around.
9208         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
9209         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
9210         (sese_build_livein_liveouts): New.
9211         (new_sese, free_sese): New.
9212         (new_scop): Call new_sese.
9213         (free_scop): Call free_sese.
9214         (rename_variables_from_edge, rename_phis_end_scop): Removed.
9215         (register_old_new_names): Renamed register_old_and_new_names.
9216         (register_scop_liveout_renames, add_loop_exit_phis,
9217         insert_loop_close_phis, struct igp,
9218         default_liveout_before_guard, add_guard_exit_phis,
9219         insert_guard_phis, copy_renames): New.
9220         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
9221         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
9222         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
9223         (scop_adjust_phis_for_liveouts): New.
9224         (gloog): Call scop_adjust_phis_for_liveouts.
9225
9226         * graphite.h (struct sese): Documented.  Added fields liveout,
9227         num_ver and livein.
9228         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
9229         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
9230         (struct scop): Added field liveout_renames.
9231         (SCOP_LIVEOUT_RENAMES): New.
9232
9233 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9234
9235         PR tree-optimization/38510
9236         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
9237         (translate_clast): Call recompute_all_dominators before
9238         graphite_verify.
9239         (gloog): Call recompute_all_dominators before graphite_verify.
9240
9241 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9242             Jan Sjodin  <jan.sjodin@amd.com>
9243
9244         PR tree-optimization/38500
9245         * graphite.c (create_sese_edges): Call fix_loop_structure after
9246         splitting blocks.
9247
9248 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
9249
9250         * config.gcc: Add m32r*-*-rtems*.
9251         * config/m32r/rtems.h: New file.
9252
9253 2009-01-05  Ben Elliston  <bje@au.ibm.com>
9254
9255         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
9256         (.po.pox): Likewise.
9257         (po/gcc.pot): Likewise.
9258
9259 2009-01-04  David S. Miller  <davem@davemloft.net>
9260
9261         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
9262         (STARTING_FRAME_OFFSET): Always set to zero.
9263
9264 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
9265
9266         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
9267         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
9268         fixed-point types, and vectors of the same.
9269
9270 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
9271
9272         * config/mips/sync.md (*mb_barrier): Rename to...
9273         (*memory_barrier): ...this.
9274
9275 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
9276
9277         * doc/extend.texi (Function Attributes): Move @cindex after @item
9278         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
9279         and put in alphabetical order. Fix 'target' name and put in order.
9280         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
9281         typos.
9282
9283 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
9284
9285         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
9286         (memory_barrier): Expand as unspec instead of unspec_volatile.
9287         Remove mem:BLK from insn operands.  Use Pmode scratch register.
9288         (*memory_barrier): Define as unspec instead of unspec_volatile.
9289         Use (match_dup 0) as input operand.
9290
9291         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
9292         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
9293         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
9294         scratch register.  Remove operand 1.
9295         (*stbar): Define as unspec instead of unspec_volatile.
9296         Use (match_dup 0) as input operand, remove (const_int 8).
9297         (*membar): Define as unspec instead of unspec_volatile.
9298         Use (match_dup 0) as input operand, remove input operand 2.
9299
9300         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
9301         (memory_barrier): Expand as unspec instead of unspec_volatile.
9302         Remove mem:BLK from insn operands.  Use Pmode scratch register.
9303         (*memory_barrier): Define as unspec instead of unspec_volatile.
9304         Use (match_dup 0) as input operand.
9305
9306         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
9307         Remove mem:BLK from insn operands.  Use Pmode scratch register.
9308         Set volatile flag on operand 0.
9309         (*memory_barrier): New insn pattern.
9310
9311         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
9312         insn operands.
9313         (*memory_barrier): Use (match_dup 0) as input operand.
9314
9315         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
9316         Remove mem:BLK from insn operands.  Use Pmode scratch register.
9317         Set volatile flag on operand 0.
9318         (*mb_internal): New insn pattern.
9319
9320         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
9321
9322 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
9323
9324         PR middle-end/38586
9325         * function.c (struct temp_slot): Move to the section of the file
9326         that deals with temp slots.  Remove field 'address'.
9327         (temp_slot_address_table): New hash table of address -> temp slot.
9328         (struct temp_slot_address_entry): New struct, items for the table.
9329         (temp_slot_address_compute_hash, temp_slot_address_hash,
9330         temp_slot_address_eq, insert_temp_slot_address): Support functions
9331         for the new table.
9332         (find_temp_slot_from_address): Rewrite to use the new hash table.
9333         (remove_unused_temp_slot_addresses): Remove addresses of temp
9334         slots that have been made available.
9335         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
9336         worker function for remove_unused_temp_slot_addresses.
9337         (assign_stack_temp_for_type): Don't clear the temp slot address list.
9338         Add the temp slot address to the address -> temp slot map.
9339         (update_temp_slot_address): Update via insert_temp_slot_address.
9340         (free_temp_slots): Call remove_unused_temp_slot_addresses.
9341         (pop_temp_slots): Likewise.
9342         (init_temp_slots): Allocate the address -> temp slot map, or empty
9343         the map if it is already allocated.
9344         (prepare_function_start): Initialize temp slot processing.
9345
9346 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
9347
9348         PR middle-end/38584
9349         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
9350         Calculate the size of all stack vars assuming no packing of stack
9351         vars will happen, replacing a quadratic algorithm with a linear one.
9352
9353 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
9354
9355         PR target/38707
9356         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
9357         can't be used.
9358
9359 2009-01-03  Diego Novillo  <dnovillo@google.com>
9360
9361         * doc/contrib.texi: Update contributions.
9362
9363 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
9364
9365         PR c++/38705
9366         * builtins.c (fold_builtin_memory_op): Give up if either operand
9367         is volatile.  Set srctype or desttype to non-qualified version
9368         of the other type.
9369
9370         PR c/38700
9371         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
9372         and FUNCTION_DECLs.
9373
9374 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
9375
9376         PR rtl-optimization/35805
9377         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
9378         problem if fast dce is able to remove any instructions.
9379         * dce.c (dce_process_block): Fix dump message.
9380
9381 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
9382
9383         PR 33649
9384         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
9385
9386 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
9387
9388         PR middle-end/38690
9389         * tree-flow.h (op_code_prio, op_prio): New prototypes.
9390         * tree-pretty-print.c (op_code_prio): New function.
9391         (op_prio): No longer static.  Use op_code_prio.
9392         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
9393         Use op_prio and op_code_prio to determine if () should be
9394         printed around operand(s) or not.
9395
9396         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
9397         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
9398         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
9399         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
9400         pp_character instead of pp_string for single letter printing.
9401
9402 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
9403
9404         * doc/extend.texi: Fix '#pragma GCC option' typo.
9405
9406 2009-01-02  Richard Guenther  <rguenther@suse.de>
9407
9408         * doc/install.texi (--enable-checking): Mention different
9409         default for stage1.
9410         (--enable-stage1-checking): Document.
9411
9412 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
9413
9414         PR middle-end/30142
9415         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
9416         case to be an error.
9417
9418 2009-01-02  Ben Elliston  <bje@au.ibm.com>
9419
9420         * config/fp-bit.h (pack_d): Constify argument.
9421         * config/fp-bit.c (makenan): Constify return type. Remove casts.
9422         (isnan): Constify argument.
9423         (isinf): Likewise.
9424         (iszero): Likewise.
9425         (pack_d): Likewise.
9426         (_fpadd_parts): Constify return type.
9427         (_fpmul_parts): Likewise.
9428         (_fpdiv_parts): Likewise.
9429
9430 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
9431
9432         PR c/36489
9433         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
9434         warn about overwriting initializer with side-effects or
9435         -Woverride-init if !IMPLICIT.
9436         (output_init_element): Likewise.  Pass IMPLICIT down to
9437         add_pending_init.
9438         (process_init_element): Add IMPLICIT argument.  Pass it down
9439         to output_init_element.
9440         (push_init_element, pop_init_level, set_designator): Adjust
9441         process_init_element callers.
9442         (set_nonincremental_init, set_nonincremental_init_from_string):
9443         Adjust add_pending_init callers.
9444         (output_pending_init_elements): Adjust output_init_element callers.
9445         * c-tree.h (process_init_element): Adjust prototype.
9446         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
9447         process_init_element callers.
9448
9449 \f
9450 Copyright (C) 2009 Free Software Foundation, Inc.
9451
9452 Copying and distribution of this file, with or without modification,
9453 are permitted in any medium without royalty provided the copyright
9454 notice and this notice are preserved.