1 2009-03-31 Richard Guenther <rguenther@suse.de>
5 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
6 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
7 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
9 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
10 (lookup_tmp_var): Likewise.
11 (is_gimple_formal_tmp_or_call_rhs): Remove.
12 (is_gimple_reg_or_call_rhs): Rename to ...
13 (is_gimple_reg_rhs_or_call): ... this.
14 (is_gimple_mem_or_call_rhs): Rename to ...
15 (is_gimple_mem_rhs_or_call): ... this.
16 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
17 DECL_GIMPLE_REG_P only if is_formal is true.
18 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
19 for non-proper post-modify expression gimplification.
20 (gimplify_self_mod_expr): For post-modify expressions gimplify
21 the lvalue to a minimal lvalue.
22 (rhs_predicate_for): Remove formal temp case.
23 (gimplify_modify_expr_rhs): Likewise.
24 (gimplify_addr_expr): Use is_gimple_reg.
25 (gimplify_expr): Remove formal temp cases.
26 (gimple_regimplify_operands): Likewise.
27 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
28 and FILTER_EXPR like constants.
29 * gimple.c (walk_gimple_op): Fix val_only initialization, use
31 (is_gimple_formal_tmp_rhs): Remove.
32 (is_gimple_reg_rhs): Remove special casing.
33 (is_gimple_mem_rhs): Fix.
34 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
35 (is_gimple_formal_tmp_var): Remove.
36 (is_gimple_formal_tmp_reg): Likewise.
37 (is_gimple_min_lval): Allow invariant component ref parts.
38 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
39 is_gimple_formal_tmp_reg): Remove declarations.
40 * tree-cfg.c (verify_expr): Verify that variables with address
41 taken do not have DECL_GIMPLE_REG_P set.
42 * tree-mudflap.c (mf_build_check_statement_for): Use
43 force_gimple_operand instead of gimplify_expr.
45 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
47 * modulo-sched.c (sms_schedule_by_order): Pass the actual
48 schedulable rows to compute_split_row.
50 2009-03-31 Ben Elliston <bje@au.ibm.com>
53 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
56 2009-03-31 Alan Modra <amodra@bigpond.net.au>
58 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
59 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
60 * configure: Regenerate.
61 * config.in: Regenerate.
62 * config/rs6000/rs6000.opt (mtls-markers): Add.
63 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
64 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
65 (tls_ld_aix, tls_ld_sysv): Likewise.
66 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
67 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
69 2009-03-31 Alan Modra <amodra@bigpond.net.au>
71 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
73 2009-03-30 Jan Hubicka <jh@suse.cz>
75 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
77 (tree_remove_unreachable_handlers): Cleanup EH predecestor
78 detection and label handling.
80 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
82 * ira-int.h (ira_allocno): Rename left_conflicts_num to
84 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
85 ALLOCNO_LEFT_CONFLICTS_SIZE.
87 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
88 remove_allocno_from_bucket_and_push,
89 allocno_spill_priority_compare, push_allocnos_to_stack,
90 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
91 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
92 (setup_allocno_left_conflicts_num): Ditto. Rename to
93 setup_allocno_left_conflicts_size.
94 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
95 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
96 setup_allocno_left_conflicts_size instead of
97 setup_allocno_left_conflicts_num.
99 * ira-build.c (ira_create_allocno): Use
100 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
101 ALLOCNO_LEFT_CONFLICTS_NUM.
103 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
105 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
106 instead of DF_LR_OUT.
108 * ira-lives.c (process_bb_node_lives): Ditto.
110 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
111 instead of DF_LR_{OUT,IN}.
113 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
115 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
117 2009-03-30 Jan Hubicka <jh@suse.cz>
119 * except.c (label_to_region_map): Fix thinko.
121 2009-03-30 Steve Ellcey <sje@cup.hp.com>
124 * tree.h (tree_find_value): New declaration.
125 * tree.c (tree_find_value): New function.
126 * varasm.c (assemble_external): Avoid duplicate entries on lists.
128 2009-03-30 Jakub Jelinek <jakub@redhat.com>
131 * c-decl.c (struct c_binding): Add locus field.
132 (bind): Add locus argument, set locus field from it.
133 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
134 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
135 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
136 implicitly_declare, undeclared_variable, lookup_label,
137 declare_label, c_make_fname_decl, c_builtin_function,
138 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
141 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
144 * config/i386/i386.c (classify_argument): Check total size of
147 2009-03-30 Martin Jambor <mjambor@suse.cz>
149 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
150 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
151 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
154 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
155 seen_variable_array_ref while also traversing a union.
157 * tree-inline.c (optimize_inline_calls): Do not call
158 cgraph_node_remove_callees.
159 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
160 (pass_remove_cgraph_callee_edges): New variable.
161 * passes.c (init_optimization_passes): Add
162 pass_remove_cgraph_callee_edges after early inlining and before all
163 late intraprocedural passes.
165 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
167 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
169 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
172 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
174 * combine.c (simplify_comparison): Use have_insn_for.
175 * dojump.c (do_jump): Likewise.
177 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
179 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
180 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
181 sparc_compare_op0 like sparc_compare_emitted used to be handled.
182 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
183 instead of sparc_compare_emitted.
184 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
185 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
186 instead of sparc_compare_emitted.
188 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
190 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
191 enter/exit cfglayout mode.
192 (pass_partition_block): Require it.
193 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
194 (combine_instructions): Track basic blocks instead of labels.
195 (update_cfg_for_uncondjump): New.
196 (try_combine): Use it. Update jumps after rescanning.
197 (pass_combine): Require PROP_cfglayout.
198 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
200 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
202 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
203 Provide/destroy PROP_cfglayout respectively.
204 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
205 * tree-pass.h (PROP_cfglayout): New.
207 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
209 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
210 fold_convert_const_fixed_from_fixed,
211 fold_convert_const_fixed_from_int,
212 fold_convert_const_fixed_from_real, fold_negate_const): Do not
213 set TREE_CONSTANT_OVERFLOW.
214 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
215 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
217 2009-03-30 Ira Rosen <irar@il.ibm.com>
219 * tree-vect-loop-manip.c: New file.
220 * tree-vectorizer.c: Update documentation and included files.
221 (vect_loop_location): Make extern.
222 (rename_use_op): Move to tree-vect-loop-manip.c
223 (rename_variables_in_bb, rename_variables_in_loop,
224 slpeel_update_phis_for_duplicate_loop,
225 slpeel_update_phi_nodes_for_guard1,
226 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
227 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
228 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
229 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
230 find_loop_location): Likewise.
231 (new_stmt_vec_info): Move to tree-vect-stmts.c.
232 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
233 get_vectype_for_scalar_type, vect_is_simple_use,
234 supportable_widening_operation, supportable_narrowing_operation):
236 (bb_in_loop_p): Move to tree-vect-loop.c.
237 (new_loop_vec_info, destroy_loop_vec_info,
238 reduction_code_for_scalar_code, report_vect_op,
239 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
240 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
241 (vect_supportable_dr_alignment): Likewise.
242 * tree-vectorizer.h (tree-data-ref.h): Include.
243 (vect_loop_location): Declare.
244 Reorganize function declarations according to the new file structure.
245 * tree-vect-loop.c: New file.
246 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
247 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
248 * tree-vect-data-refs.c: New file.
249 * tree-vect-patterns.c (timevar.h): Don't include.
250 * tree-vect-stmts.c: New file.
251 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
252 tree-vect-slp.c, tree-vect-loop.c.
253 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
254 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
255 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
256 (tree-vect-analyze.o): Remove.
257 (tree-vect-transform.o): Likewise.
258 (tree-vect-data-refs.o): Add rule.
259 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
260 tree-vect-slp.o): Likewise.
261 (tree-vect-patterns.o): Remove redundant dependencies.
262 (tree-vectorizer.o): Likewise.
263 * tree-vect-slp.c: New file.
265 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
267 * optc-gen.awk: Warn if an option flag has multiple different
270 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
272 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
273 -floop-block): Document dependences on PPL, CLooG and Graphite.
275 2009-03-30 Joseph Myers <joseph@codesourcery.com>
277 PR rtl-optimization/323
278 * c-common.c (c_fully_fold, convert_and_check,
279 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
280 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
281 * c-common.def (EXCESS_PRECISION_EXPR): New.
282 * c-cppbuiltin.c (builtin_define_float_constants): Define
283 constants with enough digits for long double.
284 * c-lex.c (interpret_float): Interpret constant with excess
285 precision where appropriate.
286 * c-opts.c (c_common_post_options): Set
287 flag_excess_precision_cmdline. Give an error for
288 -fexcess-precision=standard for C++ for processors where the
289 option is significant.
290 * c-parser.c (c_parser_conditional_expression): Handle excess
291 precision in condition.
292 * c-typeck.c (convert_arguments): Handle arguments with excess
294 (build_unary_op): Move excess precision outside operation.
295 (build_conditional_expr): Likewise.
296 (build_compound_expr): Likewise.
297 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
298 (build_modify_expr): Handle excess precision in RHS.
299 (convert_for_assignment): Handle excess precision in converted
301 (digest_init, output_init_element, process_init_element): Handle
302 excess precision in initializer.
303 (c_finish_return): Handle excess precision in return value.
304 (build_binary_op): Handle excess precision in operands and add
305 excess precision as needed for operation.
306 * common.opt (-fexcess-precision=): New option.
307 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
308 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
309 For standard excess precision, output explicit conversion to and
310 truncation from XFmode.
311 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
312 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
313 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
314 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
315 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
316 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
317 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
318 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
319 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
320 define_splits, sqrt<mode>2): Disable where appropriate for
321 standard excess precision.
322 * convert.c (convert_to_real): Do not shorten arithmetic to type
323 for which excess precision would be used.
324 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
325 * doc/invoke.texi (-fexcess-precision=): Document option.
326 (-mfpmath=): Correct index entry.
327 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
328 flag_excess_precision): New.
329 * langhooks.c (lhd_post_options): Set
330 flag_excess_precision_cmdline.
331 * opts.c (common_handle_option): Handle -fexcess-precision=.
332 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
333 init_excess_precision): New.
334 (lang_dependent_init_target): Call init_excess_precision.
335 * tree.c (excess_precision_type): New.
336 * tree.h (excess_precision_type): Declare.
338 2009-03-30 Joseph Myers <joseph@codesourcery.com>
341 * c-typeck.c (build_component_ref): Do not copy qualifiers from
342 non-lvalue to component.
344 2009-03-29 Joseph Myers <joseph@codesourcery.com>
346 PR preprocessor/34695
347 * Makefile.in (c-opts.o): Depend on c-tree.h.
348 * c-common.c: Move down include of diagnostic.h.
349 (done_lexing, c_cpp_error): New.
350 * c-common.h (done_lexing): Declare.
351 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
353 * c-opts.c: Include c-tree.h.
354 (c_common_init_options): Set preprocessor error callback.
355 (c_common_handle_option): Do not set preprocessor
356 inhibit_warnings, warnings_are_errors, warn_system_headers,
357 pedantic_errors or inhibit_warnings flags.
358 (c_common_post_options): Do not check cpp_errors (parse_in).
359 (c_common_finish): Do not output dependencies if there were
360 errors. Do not check return value of cpp_finish.
361 * c-ppoutput.c (pp_file_change): Set input_location.
362 * c-tree.h (c_cpp_error): Declare.
363 * diagnostic.c (diagnostic_set_info_translated): Also initialize
365 (diagnostic_build_prefix): Check override_column.
366 * diagnostic.h (diagnostic_info): Add override_column field.
367 (diagnostic_override_column): Define.
369 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
371 * c-common.c (c_expand_expr, c_staticp): Remove.
372 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
373 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
374 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
375 * c-gimplify.c (gimplify_compound_literal_expr,
376 optimize_compound_literals_in_ctor): Remove.
377 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
378 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
379 * c-semantics.c (emit_local_var): Remove.
381 * langhooks-def.h (lhd_expand_expr): Remove.
382 * langhooks.c (lhd_expand_expr): Remove.
383 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
385 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
386 handling from c-semantics.c; don't call into langhook.
387 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
388 * gimplify.c (gimplify_compound_literal_expr,
389 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
390 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
391 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
392 as was done in c-gimplify.c.
393 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
394 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
395 Move from c-common.h.
396 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
398 * tree.c (staticp): Do not call langhook.
399 * langhooks.c (lhd_staticp): Delete.
400 * langhooks-def.h (lhd_staticp): Delete prototype.
401 (LANG_HOOKS_STATICP): Delete.
402 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
404 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
405 instead of DECL_STMTs.
407 2009-03-29 Joseph Myers <joseph@codesourcery.com>
415 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
417 (fold_call_expr): Return a NOP_EXPR from folding rather than the
418 contained expression.
419 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
420 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
421 conditional expressions for C.
422 (decl_constant_value_for_optimization): Move from
423 decl_constant_value_for_broken_optimization in c-typeck.c. Check
424 whether optimizing and that the expression is a VAR_DECL not of
425 array type instead of doing such checks in the caller. Do not
426 check pedantic. Call gcc_unreachable for C++.
427 * c-common.def (C_MAYBE_CONST_EXPR): New.
428 * c-common.h (c_fully_fold, c_save_expr,
429 decl_constant_value_for_optimization): New prototypes.
430 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
431 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
432 EXPR_INT_CONST_OPERANDS): Define.
433 * c-convert.c (convert): Strip nops from expression.
434 * c-decl.c (groktypename): Take extra parameters expr and
435 expr_const_operands. Update call to grokdeclarator.
436 (start_decl): Update call to grokdeclarator. Add statement for
437 expressions used in type of decl.
438 (grokparm): Update call to grokdeclarator.
439 (push_parm_decl): Update call to grokdeclarator.
440 (build_compound_literal): Add parameter non_const and build a
441 C_MAYBE_COSNT_EXPR if applicable.
442 (grokdeclarator): Take extra parameters expr and
443 expr_const_operands. Track expressions used in declaration
444 specifiers and declarators. Fold array sizes and track whether
445 they are constant expressions and whether they are integer
446 constant expressions.
447 (parser_xref_tag): Set expr and expr_const_operands fields in
449 (grokfield): Update call to grokdeclarator.
450 (start_function): Update call to grokdeclarator.
451 (build_null_declspecs): Set expr and expr_const_operands fields in
453 (declspecs_add_type): Handle expressions in typeof specifiers.
454 * c-parser.c (c_parser_declspecs): Set expr and
455 expr_const_operands fields for declaration specifiers.
456 (c_parser_enum_specifier): Likewise.
457 (c_parser_struct_or_union_specifier): Likewise.
458 (c_parser_typeof_specifier): Likewise. Update call to
459 groktypename. Fold expression as needed. Return expressions with
460 type instead of adding statements.
461 (c_parser_attributes): Update calls to c_parser_expr_list.
462 (c_parser_statement_after_labels): Fold expression before passing
463 to objc_build_throw_stmt.
464 (c_parser_condition): Fold expression.
465 (c_parser_asm_operands): Fold expression.
466 (c_parser_conditional_expression): Use c_save_expr. Update call
467 to build_conditional_expr.
468 (c_parser_alignof_expression): Update call to groktypename.
469 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
470 original_code. Fold expression argument of va_arg. Create
471 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
472 argument to va_arg. Update calls to groktypename. Fold array
473 index for offsetof. Verify that first argument to
474 __builtin_choose_expr has integer type.
475 (c_parser_postfix_expression_after_paren_type): Update calls to
476 groktypename and build_compound_literal. Handle expressions with
477 side effects in type name.
478 (c_parser_postfix_expression_after_primary): Update call to
479 c_parser_expr_list. Set original_code for calls to
480 __builtin_constant_p.
481 (c_parser_expr_list): Take extra parameter fold_p. Fold
482 expressions if requested.
483 (c_parser_objc_type_name): Update call to groktypename.
484 (c_parser_objc_synchronized_statement): Fold expression.
485 (c_parser_objc_receiver): Fold expression.
486 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
487 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
488 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
489 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
490 (struct c_typespec): Add elements expr and expr_const_operands.
491 (struct c_declspecs): Add elements expr and expr_const_operands.
492 (groktypename, build_conditional_expr, build_compound_literal):
494 (in_late_binary_op): Declare.
495 * c-typeck.c (note_integer_operands): New function.
496 (in_late_binary_op): New variable.
497 (decl_constant_value_for_broken_optimization): Move to c-common.c
498 and rename to decl_constant_value_for_optimization.
499 (default_function_array_conversion): Do not strip nops.
500 (default_conversion): Do not call
501 decl_constant_value_for_broken_optimization.
502 (build_array_ref): Do not fold result.
503 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
504 result when operand is a VLA.
505 (c_expr_sizeof_type): Update call to groktypename. Handle
506 expressions included in type name. Use C_MAYBE_CONST_EXPR for
507 result when operand names a VLA type.
508 (build_function_call): Update call to build_compound_literal.
509 Only fold result for calls to __builtin_* functions. Strip
510 NOP_EXPR from INTEGER_CST returned from such functions. Fold
511 the function designator.
512 (convert_arguments): Fold arguments. Update call to
513 convert_for_assignment.
514 (build_unary_op): Handle increment and decrement of
515 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
516 decrement earlier. Fold operand of increment and decrement.
517 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
518 built for integer operand. Wrap returns that are INTEGER_CSTs
519 without being integer constant expressions or that have integer
520 constant operands without being INTEGER_CSTs.
521 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
522 (build_conditional_expr): Add operand ifexp_bcp. Track whether
523 result is an integer constant expression or can be used in
524 unevaluated parts of one and avoid folding and wrap as
525 appropriate. Fold operands before possibly doing -Wsign-compare
527 (build_compound_expr): Wrap result for C99 if operands can be used
528 in integer constant expressions.
529 (build_c_cast): Update call to digest_init. Do not ignore
530 overflow from casting floating-point constants to integers. Wrap
531 results that could be confused with integer constant expressions,
532 null pointer constants or floating-point constants.
533 (c_cast_expr): Update call to groktypename. Handle expressions
534 included in type name.
535 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
536 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
537 Update calls to convert_for_assignment.
538 (convert_for_assignment): Take new parameter
539 null_pointer_constant. Do not strip nops or call
540 decl_constant_value_for_broken_optimization. Set
541 in_late_binary_op for conversions to boolean.
542 (store_init_value): Update call to digest_init.
543 (digest_init): Take new parameter null_pointer_constant. Do not
544 call decl_constant_value_for_broken_optimization. pedwarn for
545 initializers not constant expressions. Update calls to
546 convert_for_assignment.
547 (constructor_nonconst): New.
548 (struct constructor_stack): Add nonconst element.
549 (really_start_incremental_init, push_init_level, pop_init_level):
550 Handle constructor_nonconst and nonconst element.
551 (set_init_index): Call constant_expression_warning for array
553 (output_init_element): Fold value. Set constructor_nonconst as
554 applicable. pedwarn for initializers not constant expressions.
555 Update call to digest_init. Call constant_expression_warning
556 where constant initializers are required.
557 (process_init_element): Use c_save_expr.
558 (c_finish_goto_ptr): Fold expression.
559 (c_finish_return): Fold return value. Update call to
560 convert_for_assignment.
561 (c_start_case): Fold switch expression.
562 (c_process_expr_stmt): Fold expression.
563 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
564 ensure statement expression is not evaluated in constant expression.
565 (build_binary_op): Track whether results are integer constant
566 expressions or may occur in such, disable folding and wrap results
567 as applicable. Fold operands for -Wsign-compare warnings unless
569 (c_objc_common_truthvalue_conversion): Handle results folded to
570 integer constants that are not integer constant expressions.
571 * doc/extend.texi: Document when typeof operands are evaluated,
572 that condition of __builtin_choose_expr is an integer constant
573 expression, and more about use of __builtin_constant_p in
576 2009-03-29 Richard Guenther <rguenther@suse.de>
578 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
579 propagate addresses of array references.
581 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
583 * regmove.c (perhaps_ends_bb_p): Remove.
584 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
585 from INSN and check that the main loop stays within that basic block.
586 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
587 (regmove_forward_pass): Split out from regmove_optimize. Use
588 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
589 (regmove_backward_pass): Split out from regmove_optimize. Use
590 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
591 (regmove_optimize): Simplify.
593 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
596 * config/i386/i386.c (classify_argument): Ignore flexible array
597 member in struct and warn ABI change.
599 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
601 * config/i386/i386-protos.h (ix86_agi_dependent): New.
603 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
604 (ix86_adjust_cost): Updated.
606 2009-03-29 Jan Hubicka <jh@suse.cz>
609 * tree-pass.h (pass_cleanup_eh): New function.
610 (remove_unreachable_regions): Break code handling RTL
611 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
612 that can not be reached by runtime.
613 (can_be_reached_by_runtime): New function.
614 (label_to_region_map): New function.
615 (num_eh_regions): New function.
616 (rtl_remove_unreachable_regions): New function.
617 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
618 (remove_eh_region): New function.
619 * except.h: Include sbitmap and vecprim.
620 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
621 num_eh_regions): Declare.
622 * passes.c (init_optimization_passes): Schedule cleanup_eh.
623 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
624 * tree-eh.c (tree_remove_unreachable_handlers): New function.
625 (tree_empty_eh_handler_p): New function.
626 (cleanup_empty_eh): New function.
627 (cleanup_eh): New function.
628 (pass_cleanup_eh): New function.
630 2009-03-29 Jan Hubicka <jh@suse.cz>
632 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
635 2009-03-29 Jan Hubicka <jh@suse.cz>
637 * except.c (dump_eh_tree): Dump all datastructures.
639 2009-03-29 Jan Hubicka <jh@suse.cz>
641 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
642 (duplicate_eh_regions_1): Likewise.
643 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
644 vector; call EH verification.
645 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
646 Be ready for region being removed.
648 2009-03-29 Jan Hubicka <jh@suse.cz>
650 * bitmap.c (bitmap_last_set_bit): New function.
651 * bitmap.h (bitmap_last_set_bit): Declare.
653 2009-03-29 David Ayers <ayers@fsfe.org>
656 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
657 by calling objc_compare_types and surpress warnings about
658 incompatible C pointers that are compatible ObjC pointers.
660 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
662 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
663 call initialize_inline_failed.
664 (initialize_inline_failed): Move it from here ...
665 * cgraph.c (initialize_inline_failed): ... to here.
666 (cgraph_create_edge): Call initialize_inline_failed rather than
667 setting inline_failed directly.
669 2009-03-29 Ben Elliston <bje@au.ibm.com>
672 * sysv4.opt (msdata): Improve comment.
673 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
674 * sysv4.h (SVR4_ASM_SPEC): Likewise.
676 2009-03-29 Ben Elliston <bje@au.ibm.com>
679 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
680 load and store attributes.
682 2009-03-29 Ben Elliston <bje@au.ibm.com>
684 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
685 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
686 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
687 * doc/extend.texi (X86 Built-in Functions): Add index entries for
688 __builtin_infq and __builtin_huge_valq.
690 2009-03-28 Anatoly Sokolov <aesok@post.ru>
692 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
694 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
695 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
697 2009-03-28 Xinliang David Li <davidxl@google.com>
699 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
700 (do_dbg_cnt): New function.
702 2009-03-28 Jan Hubicka <jh@suse.cz>
704 Merge from pretty-ipa:
706 2009-03-27 Jan Hubicka <jh@suse.cz>
708 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
709 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
710 * passes.c (function_called_by_processed_nodes_p): New.
711 * ipa-pure-const.c (check_call): Fix handling of operands.
712 (analyze_function): Dump debug output for skipped bodies.
713 (local_pure_const): Use function_called_by_processed_nodes_p.
714 * dwarf2out.c (reference_to_unused): Use output.
715 * passes.c (do_per_function_toporder): Likewise.
717 2008-11-12 Jan Hubicka <jh@suse.cz>
719 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
720 * ipa-pure-const.c (funct_state_d): Add can throw field; make
721 state_set_in_source enum
722 (check_decl): Ignore memory tags; do not set fake looping flags;
724 (check_operand, check_tree, check_rhs_var, check_lhs_var,
725 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
726 (check_call, analyze_function): Rewrite.
728 (add_new_function): Update call of analyze_function.
729 (generate_summary): Add call of analyze_function.
730 (propagate): Propagate can_throw; handle state_set_in_source correctly.
731 (local_pure_const): New function.
732 (pass_local_pure_const): New pass.
733 * ipa-inline.c (inline_transform): Set after_inlining.
734 * tree-eh.c (stmt_can_throw_external): New.
735 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
736 work with aliasing built.
737 * tree-flow.h (stmt_can_throw_external): New.
738 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
739 and local pure/const pass in early and late optimization queue.
741 2009-03-28 Martin Jambor <mjambor@suse.cz>
743 * fold-const.c (get_pointer_modulus_and_residue): New parameter
745 (fold_binary): Allow function decl aligment consideration is the
746 second argument is integer constant one.
747 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
748 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
749 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
751 2009-03-28 Jan Hubicka <jh@suse.cz>
753 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
754 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
755 * function.h (rtl_data): Add nothrow flag.
756 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
757 set DECL_NOTHROW for AVAILABLE functions.
759 2009-03-28 Jakub Jelinek <jakub@redhat.com>
761 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
762 following vector keyword has expansion starting with pixel or bool
763 keyword, expand vector to __vector and pixel or bool to __pixel or
767 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
768 warn_if_disallowed_function_p): Removed.
769 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
770 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
771 warning_if_disallowed_function_p.
772 * flags.h (warn_if_disallowed_function_p,
773 warn_disallowed_functions): Removed.
774 * common.opt (Wdisallowed-function-list=): Removed.
775 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
777 2009-03-28 Richard Guenther <rguenther@suse.de>
779 PR tree-optimization/38723
780 * tree-ssa-pre.c (compute_avail): Add all default definitions to
783 2009-03-28 Jan Hubicka <jh@suse.cz>
785 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
786 test introduced by my previous patch.
788 2009-03-28 Richard Guenther <rguenther@suse.de>
790 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
791 the PHIs value undefined.
793 2009-03-28 Jan Hubicka <jh@suse.cz>
795 * tree-pass.h (pass_fixup_cfg): New pass.
796 * ipa-inline.c (inline_transform): Set
797 always_inline_functions_inlined/after_inlining.
798 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
799 (pass_fixup_cfg): New pass.
800 * passes.c (init_optimization_passes): Add fixup_cfg.
802 2009-03-28 Richard Guenther <rguenther@suse.de>
804 PR tree-optimization/38458
805 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
806 argument use the arguments copy-of value.
808 2009-03-28 Richard Guenther <rguenther@suse.de>
810 PR tree-optimization/38180
811 * tree-ssa-ccp.c (get_default_value): Simplify.
812 (likely_value): Likewise.
813 (surely_varying_stmt_p): Properly handle VOP case.
814 (ccp_initialize): Likewise.
815 (ccp_fold): Handle propagating through *&.
816 (fold_const_aggregate_ref): Also handle decls.
818 2009-03-28 Jan Hubicka <jh@suse.cz>
820 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
821 * cgraph.h (cgraph_node): Likewise.
822 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
823 (cgraph_reset_node): Use process flag.
824 (cgraph_mark_functions_to_output): Likewise.
825 (cgraph_expand_function): Likewise.
826 (cgraph_expand_all_functions): Likewise.
827 (cgraph_output_in_order): Likewise.
828 * dwarf2out.c (reference_to_unused): Likewise.
829 * passes.c do_per_function_toporder): Likewise.
831 2009-03-28 Jan Hubicka <jh@suse.cz>
833 Bring from lto-branch:
835 2008-09-03 Doug Kwan <dougkwan@google.com>
837 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
838 enums instead of reason strings.
839 * cgraph.c (cgraph_create_edge): Same.
840 (cgraph_inline_failed_string): New function.
841 * cgraph.h (cgraph_inline_failed_t): New enum type.
842 (cgraph_inline_failed_string): New prototype.
843 (struct cgraph_edge): Change type of INLINED_FAILED from constant
844 char pointer to cgraph_inline_failed_t.
845 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
846 (cgraph_default_inline_p): Ditto.
847 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
848 to cgraph_inline_failed_t pointer.
849 * cif-code.def: New file.
850 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
852 (cgraph_check_inline_limits): Change type of REASON to pointer to
853 cgraph_inline_failed_t. Replace reason strings with enums.
854 (cgraph_default_inline_p): Ditto.
855 (cgraph_recursive_inlining_p): Ditto.
856 (update_caller_keys): Change type of FAILED_REASON to
857 cgraph_inline_failed_t.
858 (cgraph_set_inline_failed): Change type of REASON to pointer to
859 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
860 convert enums to strings for text output.
861 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
862 to be of type cgraph_inline_failed_t. Replace reason strings with
863 enums. Call cgraph_inline_failed_string to covert enums
864 to strings for text output.
865 (cgraph_decide_inlining): Replace reason strings with enums.
866 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
867 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
869 * tree-inline.c (expand_call_inline): Change type of REASON
870 to cgraph_inline_failed_t. Replace reason strings with enums.
871 Call cgraph_inline_failed_string for text output.
872 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
875 2009-03-28 Jan Hubicka <jh@suse.cz>
877 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
878 cgraph_clone_node): Remove master clone handling.
879 (cgraph_is_master_clone, cgraph_master_clone): Remove.
880 * cgraph.h (master_clone): Remove.
881 (cgraph_is_master_clone, cgraph_master_clone): Remove.
882 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
883 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
885 2009-03-28 Jan Hubicka <jh@suse.cz>
887 * cgraph.c (cgraph_function_body_availability): Functions declared
888 inline are always safe to assume that it is not going to be replaced.
890 2009-03-28 Richard Guenther <rguenther@suse.de>
892 PR tree-optimization/38513
893 * tree-ssa-pre.c (eliminate): Remove redundant stores.
894 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
895 EXC_PTR_EXPR and FILTER_EXPR.
896 (get_ref_from_reference_ops): Likewise.
898 2009-03-28 Richard Guenther <rguenther@suse.de>
900 PR tree-optimization/38968
901 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
902 Use FLOOR_MOD_EXPR to compute misalignment.
904 2009-03-28 Richard Guenther <rguenther@suse.de>
906 PR tree-optimization/37795
907 * tree.h (combine_comparisons): Declare.
908 * fold-const.c (combine_comparisons): Export.
909 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
911 (ifcombine_iforif): Use combine_comparisons.
913 2009-03-28 Jan Hubicka <jh@suse.cz>
915 * tree-eh.c (inlinable_call_p): New function.
916 (make_eh_edges): Use it.
917 (verify_eh_edges): Use it.
918 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
919 * except.c (reachable_next_level): Add inlinable_function argument
920 (sjlj_find_directly_reachable_regions): Update.
921 (add_reachable_handler): Do not set saw_any_handlers.
922 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
923 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
924 Add new inlinable call parameter.
925 (can_throw_internal, can_throw_external): Update.
926 * except.h (can_throw_internal_1, can_throw_external_1,
927 foreach_reachable_handler): Update declaration.
929 2009-03-28 Joseph Myers <joseph@codesourcery.com>
931 * config/arm/t-arm-coff, config/h8300/coff.h,
932 config/i386/i386-aout.h, config/i386/i386-coff.h,
933 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
934 config/pdp11/2bsd.h, config/rs6000/aix41.h,
935 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
936 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
937 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
939 * Makefile.in: Remove protoize and fixproto support and references
941 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
942 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
944 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
945 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
947 (rest.encap): Don't depend on $(STMP_FIXPROTO)
948 (.PHONY): Don't depend on proto.
949 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
950 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
951 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
952 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
953 build/gen-protos.o, build/scan.o, xsys-protos.h,
954 build/fix-header$(build_exeext), build/fix-header.o,
955 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
956 stmp-install-fixproto): Remove.
957 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
958 SYSCALLS.c or fixproto files.
959 (install-common): Don't install protoize.
960 (install-headers-tar, install-headers-cpio, install-headers-cp):
961 Don't depend on $(STMP_FIXPROTO).
962 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
963 install fixproto files or write out fixproto settings.
964 (uninstall): Don't uninstall protoize.
965 * config.gcc (use_fixproto): Remove.
966 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
967 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
968 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
969 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
970 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
971 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
972 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
973 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
974 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
975 * config/t-vxworks (STMP_FIXPROTO): Remove.
976 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
977 STMP_FIXPROTO): Remove.
978 * config.in, configure: Regenerate.
979 * crtstuff.c (gid_t, uid_t): Don't undefine.
980 * doc/install.texi: Change m68k-coff to m68k-elf in example.
981 (arm-*-coff, arm-*-aout: Remove target entries.
982 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
983 Remove mention of AIX 4.1.
984 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
985 * doc/invoke.texi (Running Protoize): Remove.
986 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
987 (Protoize Caveats): Remove.
988 * tsystem.h: Update comments on headers assumed to exist.
990 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
992 * genautomata.c: Add a new year to the copyright. Add a new
994 (struct insn_reserv_decl): Add comments for member bypass_list.
995 (find_bypass): Remove.
996 (insert_bypass): New.
997 (process_decls): Use insert_bypass.
998 (output_internal_insn_latency_func): Output all bypasses with the
999 same input insn in one switch case.
1001 * rtl.def (define_bypass): Describe bypass choice.
1002 * doc/md.texi (define_bypass): Ditto.
1004 2009-03-27 Richard Guenther <rguenther@suse.de>
1006 * gimplify.c (mark_addressable): Export.
1007 * tree-flow.h (mark_addressable): Declare.
1008 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
1009 * tree-ssa.c (verify_phi_args): Verify that address taken
1010 variables have TREE_ADDRESSABLE set.
1012 2009-03-27 Richard Guenther <rguenther@suse.de>
1014 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
1015 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
1016 Do not mark decls TREE_ADDRESSABLE.
1017 (build_fold_addr_expr): Adjust.
1018 (fold_addr_expr): Remove.
1019 (fold_unary): Use build_fold_addr_expr.
1020 (fold_comparison): Likewise.
1021 (split_address_to_core_and_offset): Likewise.
1022 * coverage.c (tree_coverage_counter_addr): Mark the array decl
1024 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
1025 (gimplify_modify_expr_to_memcpy): Mark source and destination
1027 * omp-low.c (create_omp_child_function): Mark the object decl
1029 (lower_rec_input_clauses): Mark the var we take the address of
1031 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
1033 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1036 * cfgexpand.c (expand_one_stack_var_at): Change alignment
1037 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
1039 2009-03-27 Richard Guenther <rguenther@suse.de>
1041 PR tree-optimization/39120
1042 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
1044 (handle_lhs_call): Process return constraints. Add escape
1045 constraints if necessary.
1046 (handle_const_call): Fill out return constraints. Make nested
1047 case more precise. Avoid consttmp if possible.
1048 (handle_pure_call): Fill out return constraints. Avoid
1049 callused if possible.
1050 (find_func_aliases): Simplify call handling.
1052 2009-03-27 Richard Guenther <rguenther@suse.de>
1054 PR tree-optimization/39120
1055 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
1056 as a representative.
1057 (solve_graph): Do propagate CALLUSED.
1058 (handle_pure_call): Use a scalar constraint from CALLUSED for
1060 (find_what_p_points_to): CALLUSED shall not appear in poins-to
1063 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1066 * c-common.c (handle_aligned_attribute): Properly check alignment
1067 overflow. Use (1U << i) instead of (1 << i).
1069 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
1071 * expr.h (get_mem_align_offset): Updated.
1073 * tree.h (tree_decl_common): Change align to "unsigned int" and
1074 move it before pointer_alias_set.
1076 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1077 Jakub Jelinek <jakub@redhat.com>
1080 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
1081 gr_register_operand with gr_reg_or_0_operand.
1082 (cmpxchg_rel_di): Likewise.
1083 (sync_lock_test_and_set<mode>): Likewise.
1085 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1087 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
1088 (true_regnum): Likewise.
1090 * rtlanal.c (subreg_info): Moved to ...
1091 * rtl.h (subreg_info): Here. New.
1092 (subreg_get_info): New.
1094 * rtlanal.c (subreg_get_info): Make it extern.
1096 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1099 * config/i386/i386.c (ix86_abi): New.
1100 (override_options): Handle -mabi=.
1101 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
1102 (ix86_call_abi_override): Likewise.
1103 (init_cumulative_args): Likewise.
1104 (function_arg_advance): Likewise.
1105 (function_arg_64): Likewise.
1106 (function_arg): Likewise.
1107 (ix86_pass_by_reference): Likewise.
1108 (ix86_function_value_regno_p): Likewise.
1109 (ix86_build_builtin_va_list_abi): Likewise.
1110 (setup_incoming_varargs_64): Likewise.
1111 (is_va_list_char_pointer): Likewise.
1112 (ix86_init_machine_status): Likewise.
1113 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
1114 (ix86_function_type_abi): Return enum calling_abi. Rewrite
1115 for 64bit. Replace DEFAULT_ABI with ix86_abi.
1116 (ix86_function_abi): Make it static and return enum calling_abi.
1117 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
1119 (ix86_fn_abi_va_list): Updated.
1121 * config/i386/i386.h (ix86_abi): New.
1122 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
1123 (CONDITIONAL_REGISTER_USAGE): Likewise.
1124 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
1125 (machine_function): Likewise.
1127 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
1129 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
1130 (STACK_BOUNDARY): Likewise.
1131 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
1133 * config/i386/i386.opt (mabi=): New.
1135 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
1136 return enum calling_abi.
1137 (ix86_function_type_abi): Likewise.
1138 (ix86_function_abi): Removed.
1140 * doc/invoke.texi: Document -mabi= option for x86.
1142 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1144 * builtins.c (real_dconstp): Delete.
1145 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
1147 2009-03-27 Dodji Seketeli <dodji@redhat.com>
1148 Jakub Jelinek <jakub@redhat.com>
1151 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
1152 (gen_subprogram_die): When a function is explicit, generate the
1153 DW_AT_explicit attribute.
1154 * langhooks.h (struct lang_hooks_for_decls): Add
1155 function_decl_explicit_p langhook.
1156 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
1157 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
1159 2009-03-27 Jakub Jelinek <jakub@redhat.com>
1161 * builtins.c (fold_builtin_memory_op): Optimize memmove
1162 into memcpy if we can prove source and destination don't overlap.
1164 * tree-inline.c: Include gt-tree-inline.h.
1165 (clone_fn_id_num): New variable.
1166 (clone_function_name): New function.
1167 (tree_function_versioning): Use it.
1168 * Makefile.in (GTFILES): Add tree-inline.c.
1170 2009-03-27 Mark Mitchell <mark@codesourcery.com>
1172 * BASE-VER: Change to 4.5.0.
1174 2009-03-27 Xinliang David Li <davidxl@google.com>
1176 PR tree-optimization/39557
1177 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
1179 2009-03-27 Xinliang David Li <davidxl@google.com>
1181 PR tree-optimization/39548
1182 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
1185 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1187 * c-common.c (pointer_int_sum): Use %wd on return from
1190 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1192 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
1193 on return from tree_low_cst.
1195 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
1198 * ginclude/stdarg.h (va_copy): Define also for
1199 __GXX_EXPERIMENTAL_CXX0X__.
1201 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1204 * builtins.h (c_strlen): Do not warn here.
1205 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
1206 * c-common.c (pointer_int_sum): Take an explicit location.
1207 Warn about offsets out of bounds.
1208 * c-common.h (pointer_int_sum): Adjust declaration.
1210 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1212 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
1215 2009-03-26 Jakub Jelinek <jakub@redhat.com>
1218 * opts.c (warn_if_disallowed_function_p): Don't assume
1219 get_callee_fndecl must return non-NULL.
1221 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
1223 PR rtl-optimization/39522
1224 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
1225 when reg_reloaded_valid is set.
1227 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1229 * config/spu/divv2df3.c: New file.
1230 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
1231 (DPBIT_FUNCS): Filter out _div_df.
1233 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
1235 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
1236 a jump insn, count that jump in the distance to the loop start.
1238 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
1241 * config/sh/sh.c (calc_live_regs): Fix condition for global
1242 registers except PIC_OFFSET_TABLE_REGNUM.
1244 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
1247 * doc/invoke.texi (-mconsole): New.
1251 (-mnop-fun-dllimport): New.
1255 (sub section "i386 and x86-64 Windows Options"): New.
1257 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
1259 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
1260 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
1262 2009-03-25 Richard Guenther <rguenther@suse.de>
1265 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
1268 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
1270 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
1271 neither of haifa/selective schedulers are working.
1273 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1275 * doc/invoke.texi (Debugging Options): Fix description of
1276 -fno-merge-debug-strings.
1278 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
1280 * config/cris/libgcc.ver: New version-script.
1281 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
1283 * configure.ac <GAS features, nop mnemonic>: Add pattern
1284 crisv32-*-* for "nop".
1285 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
1286 * configure: Regenerate.
1288 2009-03-24 Ira Rosen <irar@il.ibm.com>
1290 PR tree-optimization/39529
1291 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1292 mark_sym_for_renaming for the tag copied to the new vector
1295 2009-03-24 Arthur Loiret <aloiret@debian.org>
1297 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
1298 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
1299 EXTRA_SPEC_FUNCTIONS.
1300 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
1301 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
1302 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
1303 -march and -mtune options.
1305 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
1307 * config/m68k/t-rtems: Add m5329 multilib.
1309 2009-03-24 Dodji Seketeli <dodji@redhat.com>
1310 Jakub Jelinek <jakub@redhat.com>
1313 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
1316 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1319 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
1320 instead of c_parser_expression_conv, if original_code isn't one of the
1321 4 allowed comparison codes, fail.
1323 2009-03-23 Richard Guenther <rguenther@suse.de>
1325 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
1326 * tree.h (struct tree_type): Likewise.
1327 * reload.h (struct insn_chain): Likewise.
1328 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
1329 * function.h (struct function): Likewise.
1330 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
1332 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1334 PR tree-optimization/39516
1335 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
1337 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
1339 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
1340 should be set true if BITS_PER_WORD of target is bigger than 32
1342 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
1344 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
1345 Translate -B-options to -rpath-link. Correct existing
1346 rpath-link and conditionalize on !nostdlib.
1348 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1350 * doc/extend.texi (Function Attributes, Variable Attributes):
1352 * doc/invoke.texi (Debugging Options, Optimize Options)
1353 (i386 and x86-64 Options, MCore Options): Likewise.
1355 2009-03-20 Jakub Jelinek <jakub@redhat.com>
1358 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
1359 it for block local namespace aliases.
1360 (gen_decl_die): Pass context_die to gen_namespace_die.
1362 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1365 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
1366 minimum or maximum value.
1368 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
1370 * reginfo.c (globalize_reg): Recompute derived reg sets.
1372 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
1375 * libgcc2.c (mprotect): Do not use signed arguments for
1376 VirtualProtect, use DWORD arguments. Also fix the 'may
1377 be used uninitialized' warning for the np variable.
1379 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1382 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
1383 functions using regparm calling conventions when not optimizing.
1384 (ix86_function_sseregparm): Similarly for sseregparm calling
1387 2009-03-19 Li Feng <nemokingdom@gmail.com>
1390 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
1391 dependence if the first conflict is after niter iterations.
1393 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
1396 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
1397 functions with dynamic stack-pointer adjustments.
1399 2009-03-19 Ben Elliston <bje@au.ibm.com>
1401 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
1402 option; change to -msdata=data.
1404 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1406 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
1409 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
1412 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
1414 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
1416 * doc/invoke.texi (Code Gen Options): Expand discussion of
1419 2009-03-18 Jakub Jelinek <jakub@redhat.com>
1421 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
1422 * matrix-reorg.c (struct matrix_info): Likewise.
1423 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
1424 * rtl.h (struct mem_attrs): Likewise.
1425 * df.h (struct df): Likewise.
1426 * tree-data-ref.h (struct data_dependence_relation): Likewise.
1427 * ira-int.h (struct ira_allocno): Likewise.
1428 * df-scan.c (struct df_collection_rec): Likewise.
1429 * ira.c (struct equivalence): Likewise.
1430 * function.c (struct temp_slot): Likewise.
1431 * cfgloop.h (struct loop): Likewise.
1434 * function.c (use_register_for_decl): When not optimizing, disregard
1435 register keyword for variables with types containing methods.
1437 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
1440 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
1441 (is_simple_operand): Call contains_component_ref_p before calling data
1442 reference analysis that would fail on COMPONENT_REFs.
1444 * tree-vrp.c (search_for_addr_array): Fix formatting.
1446 2009-03-18 Richard Guenther <rguenther@suse.de>
1448 * tree-vect-transform.c (vect_loop_versioning): Fold the
1449 generated comparisons.
1450 * tree-vectorizer.c (set_prologue_iterations): Likewise.
1451 (slpeel_tree_peel_loop_to_edge): Likewise.
1453 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1456 * opts.c (print_specific_help): In addition to `undocumented',
1457 accept `separate' and `joined' flags if passed alone. Describe
1458 output by the first matched one of those.
1459 (common_handle_option): Skip over empty strings.
1460 * gcc.c (display_help): Fix help string for `--help='.
1461 * doc/invoke.texi (Option Summary, Overall Options): With
1462 `--help=', classes and qualifiers can both be repeated, but
1463 only the latter can be negated. One should not pass only
1464 negated qualifiers. Fix markup and examples.
1467 2008-10-14 Jakub Jelinek <jakub@redhat.com>
1469 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
1470 and -fhelp=separate.
1472 2009-03-17 Jing Yu <jingyu@google.com>
1475 * function.h (struct rtl_data): Move is_thunk from here...
1476 (struct function): ...to here.
1477 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
1478 * varasm.c (assemble_start_function): Change is_thunk from crtl to
1480 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
1482 (alpha_does_function_need_gp, alpha_start_function): Likewise.
1483 (alpha_output_function_end_prologue): Likewise.
1484 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
1485 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
1486 (rs6000_output_function_epilogue): Likewise.
1487 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
1489 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
1492 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
1493 from different units in a single alternative.
1494 (*truncdfsf_i387): Ditto.
1495 (*truncxfsf2_mixed): Ditto.
1496 (*truncxfdf2_mixed): Ditto.
1498 2009-03-17 Jakub Jelinek <jakub@redhat.com>
1500 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
1501 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
1504 * tree-ssa-live.c (remove_unused_locals): Don't remove local
1505 unused non-artificial variables when not optimizing.
1508 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
1509 DW_TAG_imported_module even if decl is IMPORTED_DECL with
1510 NAMESPACE_DECL in its DECL_INITIAL.
1513 * optabs.c (set_user_assembler_libfunc): New function.
1514 * expr.h (set_user_assembler_libfunc): New prototype.
1515 * c-common.c: Include libfuncs.h.
1516 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
1517 for memcmp, memset, memcpy, memmove and abort.
1518 * Makefile.in (c-common.o): Depend on libfuncs.h.
1521 * dwarf2out.c (gen_inlined_enumeration_type_die,
1522 gen_inlined_structure_type_die, gen_inlined_union_type_die,
1523 gen_tagged_type_instantiation_die): Removed.
1524 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
1527 2009-03-17 Janis Johnson <janis187@us.ibm.com>
1530 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
1532 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
1533 (check-parallel-%): Ditto.
1534 (check-consistency): Ditto.
1536 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
1538 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
1539 local variable rhs by NULL_TREE.
1541 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1544 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
1546 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1549 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
1551 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1554 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
1555 for ms->sysv ABI calls only in 64bit mode.
1557 * config/i386/i386.md (untyped_call): Support 32bit.
1559 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
1561 * doc/extend.texi: Replace x86_65 with x86_64.
1563 2009-03-16 Jakub Jelinek <jakub@redhat.com>
1565 PR tree-optimization/39455
1566 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
1567 mismatches for POINTER_TYPE_P (type).
1568 (number_of_iterations_le): Likewise.
1570 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1572 * config/picochip/picochip.c: Removed profiling support.
1573 * config/picochip/picochip.md: Removed profiling instruction.
1574 * config/picochip/picochip.h: Removed profiling builtin.
1576 2009-03-16 Joseph Myers <joseph@codesourcery.com>
1578 * doc/install.texi (--with-host-libstdcxx): Document.
1580 2009-03-14 Anatoly Sokolov <aesok@post.ru>
1583 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
1584 generate a warning if the function name does not begin with
1585 "__vector" and the function has either the 'signal' or 'interrupt'
1586 attribute, from here to ...
1587 (avr_declare_function_name): ...here. New function.
1588 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
1589 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
1591 2009-03-14 Jakub Jelinek <jakub@redhat.com>
1594 * cse.c (fold_rtx): Don't modify original const_arg1 when
1595 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
1596 separate variable instead.
1597 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
1598 from out of range shift counts.
1599 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
1601 2008-03-13 Catherine Moore <clm@codesourcery.com>
1603 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
1604 diagnostic.h with $(DIAGNOSTIC_H).
1606 2008-03-12 Jakub Jelinek <jakub@redhat.com>
1609 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
1611 * config/i386/sync.md (sync_compare_and_swap<mode>,
1612 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
1613 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
1615 (sync_double_compare_and_swapdi_pic,
1616 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
1617 cmpxchg8b_pic_memory_operand instead of just memory_operand.
1619 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1622 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
1624 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1627 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1628 (avx_addsubv4df3): Likewise.
1629 (*avx_addsubv4sf3): Likewise.
1630 (sse3_addsubv4sf3): Likewise.
1632 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1635 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
1637 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
1640 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
1641 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
1642 registers for allocnos created from user-defined variables.
1644 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1647 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
1648 of non-integer mode as well.
1650 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
1652 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
1653 for functions for which the parameter types are unknown.
1655 2009-03-11 Jakub Jelinek <jakub@redhat.com>
1658 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
1659 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
1660 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
1661 * config/i386/i386.c (ix86_local_alignment): For
1662 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
1663 long long variables on the stack to avoid dynamic realignment.
1664 Allow the first argument to be a decl rather than type.
1665 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
1667 2009-03-11 Nick Clifton <nickc@redhat.com>
1670 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
1672 Add description to mno-lsim option.
1673 * config/mcore/mcore.h: Remove comment about deprecated m4align
1675 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
1676 * doc/invoke.texi: Add description of mno-lsim and
1677 mstack-increment options.
1679 * config/fr30/fr30.opt: Document the -mno-lsim option.
1680 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
1681 and -mno-lsim options.
1683 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1685 * fold-const.c (fold_comparison): Only call fold_inf_compare
1686 if the mode supports infinities.
1688 2009-03-11 Jason Merrill <jason@redhat.com>
1691 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
1692 end already did. Notice GIMPLE_CALL modifications of the result.
1693 Don't copy debug information from an ignored decl or a decl from
1696 2009-03-10 Richard Guenther <rguenther@suse.de>
1697 Nathan Froyd <froydnj@codesourcery.com>
1700 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
1701 (__divMODE3): Likewise.
1703 2009-03-09 Jakub Jelinek <jakub@redhat.com>
1705 PR tree-optimization/39394
1706 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
1707 DECL_SIZE_UNIT of variable length FIELD_DECLs.
1709 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1711 * recog.c (verfiy_changes): Disallow renaming of hard regs in
1712 inline asms for register asm ("") declarations.
1714 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
1716 * fold-const.c (fold_unary): Fix comment.
1718 2009-03-07 Jan Hubicka <jh@suse.cz>
1721 * tree-inline.c (setup_one_parameter): Do replacement of const
1722 argument by constant in SSA form.
1724 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1727 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
1728 determine alignment passed to assign_stack_local.
1729 (assign_parms_unsplit_complex): Likewise.
1730 * except.c (sjlj_build_landing_pads): Likewise.
1732 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1735 * tree-flow.h (add_referenced_var): Return bool instead of void.
1736 * tree-dfa.c (add_referenced_var): Return result of
1737 referenced_var_check_and_insert call.
1738 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
1739 of referenced_var_check_and_insert.
1742 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
1743 (gen_variable_die): Emit DW_AT_location on abstract static variable's
1744 DIE, don't emit it if abstract origin already has it.
1745 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
1746 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
1748 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1750 * genpreds.c (needs_variable): Fix parentheses at variable name
1752 (write_tm_constrs_h): Indent generated code.
1754 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1756 * doc/extend.texi (Function Attributes): Add documentation
1759 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1762 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
1763 take locus from its DECL_SOURCE_LOCATION instead of input_location.
1765 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
1767 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
1770 2009-03-05 Jakub Jelinek <jakub@redhat.com>
1773 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
1774 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
1776 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
1778 * config/i386/i386.md (R8_REG, R9_REG): New constants.
1779 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
1780 constants instead of magic numbers.
1781 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
1783 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
1784 (x86_64_ms_abi_int_parameter_registers): Ditto.
1785 (x86_64_int_return_registers): Ditto.
1786 (ix86_maybe_switch_abi): Ditto.
1787 (ix86_expand_call): Ditto for clobbered_registers array.
1788 (ix86_hard_regno_mode_ok): Ditto.
1789 (x86_extended_QIreg_mentioned_p): Ditto.
1791 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
1793 PR tree-optimization/39349
1794 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
1796 * combine.c (gen_lowpart_for_combine): Use omode when generating
1799 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
1801 PR rtl-optimization/39235
1802 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
1804 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1806 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
1808 2009-03-04 Richard Guenther <rguenther@suse.de>
1810 PR tree-optimization/39362
1811 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
1812 that occur in abnormal PHIs should be varying.
1814 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1816 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
1818 (simple_iv): Take loop as an argument instead of statement.
1819 * tree-scalar-evolution.h (simple_iv): Declaration changed.
1820 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
1822 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
1824 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
1825 * matrix-reorg.c (analyze_transpose): Ditto.
1826 * tree-data-ref.c (dr_analyze_innermost): Ditto.
1827 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
1828 * tree-predcom.c (ref_at_iteration): Ditto.
1829 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
1831 2009-03-04 Richard Guenther <rguenther@suse.de>
1833 PR tree-optimization/39358
1834 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
1835 escaped_id and callused_id.
1836 (solve_graph): Likewise.
1838 2009-03-04 Richard Guenther <rguenther@suse.de>
1840 PR tree-optimization/39339
1841 * tree-sra.c (try_instantiate_multiple_fields): Make it
1842 no longer ICE on the above.
1844 2009-03-03 Joseph Myers <joseph@codesourcery.com>
1846 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
1847 that fits within Pmode.
1849 2009-03-03 Steve Ellcey <sje@cup.hp.com>
1852 * tm.texi (LIBCALL_VALUE): Update description.
1854 2009-03-03 Steve Ellcey <sje@cup.hp.com>
1857 * doc/extend.texi (section): Update description.
1859 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
1862 * tree-inline.c (remapped_type): New.
1863 (can_be_nonlocal): Call remapped_type instead of remap_type.
1865 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1868 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
1869 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
1871 2009-03-03 Richard Guenther <rguenther@suse.de>
1874 * tree.c (tree_nonartificial_location): New function.
1875 * tree.h (tree_nonartificial_location): Declare.
1876 * builtins.c (expand_builtin_memory_chk): Provide location
1877 of the call location for artificial function pieces.
1878 (maybe_emit_chk_warning): Likewise.
1879 (maybe_emit_sprintf_chk_warning): Likewise.
1880 (maybe_emit_free_warning): Likewise.
1881 * expr.c (expand_expr_real_1): Likewise.
1883 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1885 PR tree-optimization/39343
1886 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
1887 COMPONENT_REF t has ARRAY_TYPE.
1889 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
1892 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
1893 when the type precision of the induction variable should be
1894 larger than the type precision of nit.
1895 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
1896 * graphite.c (graphite_loop_normal_form): Same.
1897 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
1899 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1901 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
1902 (*call_1_rex64_ms_sysv): Use named constants instead of magic
1903 numbers to describe clobbered registers.
1904 (*call_value_0_rex64_ms_sysv): Ditto.
1905 * config/i386/mmx.md (mmx_emms): Ditto.
1908 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
1910 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
1913 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1915 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
1916 (spu_section_type_flags): New function.
1918 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1920 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
1921 reg_class_contents of FLOAT_REGS into a temporary.
1923 2009-03-02 Richard Guenther <rguenther@suse.de>
1924 Ira Rosen <irar@il.ibm.com>
1926 PR tree-optimization/39318
1927 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
1928 information to the vectorized statement.
1930 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
1932 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
1933 variable. Use defined names instead of magic constants for REX SSE
1936 2009-03-01 Richard Guenther <rguenther@suse.de>
1938 PR tree-optimization/39331
1939 * omp-low.c (lower_send_shared_vars): Do not receive new
1940 values for the reference of DECL_BY_REFERENCE parms or results.
1942 2009-03-01 Jan Hubicka <jh@suse.cz>
1945 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
1946 BLOCK_NONLOCALIZED_VAR): New macros.
1947 (tree_block): Add nonlocalized_vars.
1948 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
1949 gen_decl_die): Add origin argument. Allow generation of die with
1950 origin at hand only.
1951 (gen_member_die, gen_type_die_with_usage, force_decl_die,
1952 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
1954 (gen_block_die): Fix checking for unused blocks.
1955 (process_scope_var): Break out from .... ; work with origins only.
1956 (decls_for_scope) ... here; process nonlocalized list.
1957 (dwarf2out_ignore_block): Look for nonlocalized vars.
1958 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
1960 (dump_scope_block): Dump them.
1961 * tree-inline.c (remap_decls): Handle nonlocalized vars.
1962 (remap_block): Likewise.
1963 (can_be_nonlocal): New predicate.
1964 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
1966 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1968 * configure: Regenerate.
1970 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1972 * optc-gen.awk: No need to duplicate option flags twice.
1973 Reuse help texts for duplicate options which do not have any.
1975 * gcc.c (display_help): Document --version.
1977 * gcc.c (main): If print_help_list and verbose_flag, ensure
1978 driver output comes before subprocess output.
1980 * optc-gen.awk: Assign all remaining fields to help string,
1981 space-separated, for multi-line help in *.opt.
1983 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
1984 -Wno-pedantic-ms-format is for MinGW targets only.
1986 * doc/options.texi (Option file format): Fix bad indentation,
1987 restoring dropped sentence.
1989 2009-02-28 Jan Hubicka <jh@suse.cz>
1991 * tree-inline.c (tree_function_versioning): Output debug info.
1993 2009-02-28 Jan Hubicka <jh@suse.cz>
1996 * tree-inline.c (setup_one_parameter): Do not copy propagate
1997 arguments when not optimizing.
1999 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
2002 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2003 (avx_addsubv4df3): Likewise.
2004 (*avx_addsubv4sf3): Likewise.
2005 (sse3_addsubv4sf3): Likewise.
2006 (*avx_addsubv2df3): Likewise.
2007 (sse3_addsubv2df3): Likewise.
2008 (avx_unpckhps256): Correct item selectors.
2009 (avx_unpcklps256): Likewise.
2010 (avx_unpckhpd256): Likewise.
2011 (avx_unpcklpd256): Likewise.
2013 2009-02-28 Jan Hubicka <jh@suse.cz>
2015 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
2017 (copy_arguments_for_versioning): If var is declared don't declare it.
2018 (tree_function_versioning): First setup substitutions and then copy
2021 2009-02-27 Jan Hubicka <jh@suse.cz>
2024 * cgraph.h (varpool_output_debug_info): Remove.
2025 * cgraphunit.c (varpool_output_debug_info): Remove.
2026 * dwarf2out.c (deferred_locations_struct): New struct
2027 (deferred_locations): New type.
2028 (deferred_locations_list): New static var.
2029 (deffer_location): New function.
2030 (gen_variable_die): Use it.
2031 (decls_for_scope): Output info on local static vars.
2032 (dwarf2out_finish): Process deferred locations.
2033 * varpool.c (varpool_output_debug_info): Remove.
2035 2009-02-27 Jan Hubicka <jh@suse.cz>
2038 * tree.h (TREE_PROTECTED): Fix comment.
2039 (BLOCK_HANDLER_BLOCK): Remove.
2040 (struct tree_block): Remove handler_block add body_block.
2041 (inlined_function_outer_scope_p): New.
2042 (is_body_block): Remove.
2043 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
2044 * dwarf2out.c (is_inlined_entry_point): Remove.
2045 (add_high_low_attributes): Use inlined_function_outer_scope_p.
2046 (gen_block_die): Use is_inlined_entry_point check. Remove body block
2048 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
2049 * gimplify.c (gimplify_expr): Gimplify body blocks.
2050 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
2051 block with multiple subblocks.
2052 (dump_scope_block): Prettier output; dump more flags and info.
2053 (dump_scope_blocks): New.
2054 (remove_unused_locals): Use dump_scope_blocks.
2055 * tree-flow.h (dump_scope_blocks): Declare.
2056 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
2057 * stmt.c (is_body_block): Remove.
2058 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
2059 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
2061 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
2064 * graphite.c (graphite_loop_normal_form): Do not call
2065 number_of_iterations_exit from a gcc_assert.
2067 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2069 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
2070 jumps if COND is NULL.
2071 (find_cond_jump): New function.
2072 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
2073 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
2075 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
2077 * config/alpha/alpha.h (alpha_expand_mov): Return false if
2078 force_const_mem returns NULL_RTX.
2080 2009-02-26 Jan Hubicka <jh@suse.cz>
2083 * cgraph.h (varpool_output_debug_info): Remove.
2084 * cgraphunit.c (varpool_output_debug_info): Remove.
2085 * dwarf2out.c (deferred_locations_struct): New struct
2086 (deferred_locations): New type.
2087 (deferred_locations_list): New static var.
2088 (deffer_location): New function.
2089 (gen_variable_die): Use it.
2090 (decls_for_scope): Output info on local static vars.
2091 (dwarf2out_finish): Process deferred locations.
2092 * varpool.c (varpool_output_debug_info): Remove.
2094 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
2096 PR rtl-optimization/39241
2097 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
2098 to subreg_offset_representable_p.
2100 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2102 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
2103 execute function prototype. Get f and nregs from max_reg_num
2104 and get_insns. Remove the first backward pass as it's dead,
2105 guard the forward pass by flag_expensive_optimizations.
2106 (rest_of_handle_regmove): Delete.
2107 (pass_regmove): Replace it with regmove_optimize.
2109 2009-02-25 Martin Jambor <mjambor@suse.cz>
2111 PR tree-optimization/39259
2112 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
2113 calls_alloca function flags.
2114 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
2117 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2119 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
2120 flags_set_1_rtx, flags_set_1_set): Delete.
2121 (regmove_optimize): Do not call mark_flags_life_zones.
2123 2009-02-24 Julian Brown <julian@codesourcery.com>
2126 * config/arm/arm.c (require_pic_register): Only set
2127 cfun->machine->pic_reg once per function.
2129 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
2131 * doc/invoke.texi (Link Options): Document an easier way to pass
2132 options that take arguments to the GNU linker using -Xlinker and -Wl.
2134 2009-02-24 Steve Ellcey <sje@cup.hp.com>
2137 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
2139 2009-02-24 Richard Guenther <rguenther@suse.de>
2142 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
2144 2009-02-24 Richard Guenther <rguenther@suse.de>
2145 Zdenek Dvorak <ook@ucw.cz>
2147 PR tree-optimization/39233
2148 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
2149 from converting them to a generic type.
2151 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
2153 PR tree-optimization/39260
2154 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
2155 contains a condition with a real type.
2156 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
2158 2009-02-23 Jason Merrill <jason@redhat.com>
2161 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
2162 narrowing_initializer_constant_valid_p.
2163 (narrowing_initializer_constant_valid_p): Don't return
2164 null_pointer_node for adding a pointer to itself.
2166 2009-02-23 Jan Hubicka <jh@suse.cz>
2169 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
2172 2009-02-23 Jan Hubicka <jh@suse.cz>
2174 PR tree-optimization/37709
2175 * tree.c (block_ultimate_origin): Move here from dwarf2out.
2176 * tree.h (block_ultimate_origin): Declare.
2177 * dwarf2out.c (block_ultimate_origin): Move to tree.c
2178 * tree-ssa-live.c (remove_unused_scope_block_p):
2179 Eliminate blocks containig no instructions nor live variables nor
2181 (dump_scope_block): New function.
2182 (remove_unused_locals): Enable removal of dead blocks by default;
2183 enable dumping at TDF_DETAILS.
2185 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2187 * config/i386/i386.c (classify_argument): Don't allow COImode
2189 (function_arg_advance_32): Don't allow OImode.
2190 (function_arg_32): Likewise.
2191 (function_value_32): Likewise.
2192 (return_in_memory_32): Likewise.
2193 (function_arg_64): Remove OImode comment.
2195 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2198 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
2199 ix86_expand_vector_set for V4DImode in 64bit mode only.
2200 (ix86_expand_vector_init_one_var): Likewise.
2202 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
2204 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
2206 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2209 * loop-iv.c: Revert last change.
2210 * emit-rtl.c: Likewise.
2212 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2215 * config/i386/i386.c (type_natural_mode): Remove an extra
2216 space in the warning message.
2217 (function_value_32): Handle 32-byte vector modes.
2218 (return_in_memory_32): Likewise.
2220 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2222 * loop-iv.c (truncate_value): New function.
2223 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
2225 (lowpart_subreg): Move to...
2226 * emit-rtl.c: ...here.
2228 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
2230 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
2231 accidental and undocumented change at revision 140860.
2233 2009-02-21 Joseph Myers <joseph@codesourcery.com>
2235 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
2236 take gimple_seq * arguments.
2237 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
2238 types_compatible_p langhook.
2240 2009-02-20 Mark Mitchell <mark@codesourcery.com>
2241 Joseph Myers <joseph@codesourcery.com>
2243 * config/arm/arm.c (arm_builtin_va_list): New function.
2244 (arm_expand_builtin_va_start): Likewise.
2245 (arm_gimplify_va_arg_expr): Likewise.
2246 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
2247 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
2248 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
2249 (va_list_type): New variable.
2250 (arm_mangle_type): Mangle va_list_type appropriately.
2252 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2255 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
2256 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
2257 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
2258 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
2259 parameter to 1000 for -O1 by default.
2260 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
2262 * loop-invariant.c: Include params.h.
2263 (move_loop_invariants): Don't call move_single_loop_invariants on
2266 2009-02-20 Jaka Mocnik <jaka@xlab.si>
2268 * calls.c (emit_library_call_value_1): Use slot_offset instead of
2269 offset when calculating bounds for indexing stack_usage_map. Fixes
2270 a buffer overflow with certain target setups.
2272 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2275 * calls.c (expand_call): Clear try_tail_call if caller and callee
2276 disagree in promotion of function return value.
2278 2009-02-19 Jakub Jelinek <jakub@redhat.com>
2281 * c-common.c (c_determine_visibility): If visibility changed and
2282 DECL_RTL has been already set, call make_decl_rtl to update symbol
2285 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
2288 * varasm.c (assemble_variable): Don't check DECL_NAME when
2289 globalizing a variable.
2291 2009-02-19 Joseph Myers <joseph@codesourcery.com>
2294 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
2295 expression before any __builtin_trap call.
2296 * c-typeck.c (build_function_call): Convert and check function
2297 arguments before generating a call to a trap. Evaluate the
2298 function arguments before the trap.
2300 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
2303 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
2304 (UNSPEC_FXAM_MEM): New unspec.
2305 (fxam<mode>2_i387_with_temp): New insn and split pattern.
2306 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
2307 memory using fxam<mode>2_i387_with_temp to remove excess precision.
2309 2009-02-19 Richard Guenther <rguenther@suse.de>
2311 PR tree-optimization/39207
2312 PR tree-optimization/39074
2313 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
2314 storedanything_tree): New.
2315 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
2316 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
2317 (build_succ_graph): Add edges from STOREDANYTHING to all
2319 (init_base_vars): Initialize STOREDANYTHING.
2320 (compute_points_to_sets): Free substitution info after
2321 building the succ graph.
2322 (ipa_pta_execute): Likewise.
2324 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
2326 (do_ds_constraint): Do not add to special var or non-pointer
2328 (type_could_have_pointers): Split out from ...
2329 (could_have_pointers): ... here. For arrays use the element type.
2330 (create_variable_info_for): Initialize may_have_pointers.
2331 (new_var_info): Likewise.
2332 (handle_lhs_call): Make the HEAP variable unknown-sized.
2333 (intra_create_variable_infos): Use a type with pointers for
2334 PARM_NOALIAS, make it unknown-sized.
2336 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
2339 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
2341 2009-02-18 Jason Merrill <jason@redhat.com>
2344 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
2345 value if DECL_EXTERNAL.
2346 * tree-sra.c (sra_walk_gimple_assign): Likewise.
2347 * target.h (gcc_target::binds_local_p): Clarify "module".
2348 * tree.h (TREE_PUBLIC): Clarify "module".
2350 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
2353 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
2354 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
2356 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
2359 * c.opt (Wabi): Support C and ObjC.
2362 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
2364 * config/i386/i386.c (classify_argument): Warn once about the ABI
2365 change when passing union with long double.
2367 * doc/invoke.texi: Update -Wabi for warning psABI changes.
2369 2009-02-18 Joseph Myers <joseph@codesourcery.com>
2372 * c-parser.c (c_parser_compound_statement): Always enter and leave
2375 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2378 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
2380 2009-02-18 Jakub Jelinek <jakub@redhat.com>
2382 PR tree-optimization/36922
2383 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
2384 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
2387 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2389 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
2392 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2394 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
2396 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2398 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
2401 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
2402 Richard Sandiford <rdsandiford@googlemail.com>
2404 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
2405 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
2406 (loongson_biadd): ...this.
2408 2009-02-17 Richard Guenther <rguenther@suse.de>
2410 PR tree-optimization/39202
2411 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
2412 a var make sure to follow existing collapses.
2414 2009-02-17 Richard Guenther <rguenther@suse.de>
2417 * langhooks.c (lhd_print_error_function): Check for NULL block.
2419 2009-02-17 Richard Guenther <rguenther@suse.de>
2421 PR tree-optimization/39204
2422 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
2425 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
2427 * config/soft-fp/double.h: Update from glibc CVS.
2429 2009-02-17 Richard Guenther <rguenther@suse.de>
2431 PR tree-optimization/39207
2432 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
2433 strict-aliasing warnings for pointers pointing to NULL.
2435 2009-02-16 Joseph Myers <joseph@codesourcery.com>
2438 * c-parser.c (c_parser_braced_init): Call pop_init_level when
2439 skipping until next close brace.
2441 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
2444 * config/i386/i386.c (ix86_expand_push): Set memory alignment
2445 to function argument boundary.
2447 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2449 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
2450 in the lea_add. Reload eventually constraints it properly.
2451 * config/picochip/constraints.md : Remove the target constraint
2452 "b", since it is not needed anymore.
2454 2009-02-16 Jakub Jelinek <jakub@redhat.com>
2456 * gthr-dce.h: Uglify function parameter and local variable names.
2457 * gthr-gnat.h: Likewise.
2458 * gthr-mipssde.h: Likewise.
2459 * gthr-nks.h: Likewise.
2460 * gthr-posix95.h: Likewise.
2461 * gthr-posix.h: Likewise.
2462 * gthr-rtems.h: Likewise.
2463 * gthr-single.h: Likewise.
2464 * gthr-solaris.h: Likewise.
2465 * gthr-tpf.h: Likewise.
2466 * gthr-vxworks.h: Likewise.
2467 * gthr-win32.h: Likewise.
2469 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
2472 * config/i386/i386.md: Restrict the new peephole2 to move
2473 between MMX/SSE registers.
2475 2009-02-15 Richard Guenther <rguenther@suse.de>
2478 2009-02-13 Richard Guenther <rguenther@suse.de>
2480 * configure.ac: Enable LFS.
2481 * configure: Re-generate.
2482 * config.in: Likewise.
2484 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2486 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
2487 spu_srqwbyte, spu_srqwbytebc): Define.
2488 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
2489 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
2490 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
2491 "shrqby_<mode>"): New insn-and-split patterns.
2492 * config/spu/spu.c (expand_builtin_args): Determine and return
2493 number of operands using spu_builtin_description data.
2494 (spu_expand_builtin_1): Use it.
2496 2009-02-13 Steve Ellcey <sje@cup.hp.com>
2499 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
2502 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2505 * config/i386/i386.c (override_options): Correct warning
2506 messages for -malign-loops, -malign-jumps and -malign-functions.
2508 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2511 * config/i386/i386.md: Restrict the new peephole2 to move
2512 between the general purpose registers.
2514 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2517 * config/i386/i386.c (type_natural_mode): Add a new argument.
2518 Return the original mode and warn ABI change if vector size is 32byte.
2519 (function_arg_advance): Updated.
2520 (function_arg): Likewise.
2521 (ix86_function_value): Likewise.
2522 (ix86_return_in_memory): Likewise.
2523 (ix86_sol10_return_in_memory): Likewise.
2524 (ix86_gimplify_va_arg): Likewise.
2525 (function_arg_32): Don't warn ABX ABI change here.
2526 (function_arg_64): Likewise.
2528 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
2530 * loop-iv.c (implies_p): In the final case, test that operands 0
2531 of the two comparisons match.
2533 * config/bfin/bfin.c (find_prev_insn_start): New function.
2534 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
2535 (find_next_insn_start): Move.
2537 2009-02-13 Richard Guenther <rguenther@suse.de>
2539 * configure.ac: Enable LFS.
2540 * configure: Re-generate.
2541 * config.in: Likewise.
2543 2009-02-13 Joseph Myers <joseph@codesourcery.com>
2546 * c-parser.c (c_parser_parms_list_declarator): Discard pending
2547 sizes on syntax error after some arguments have been parsed.
2549 2009-02-12 Jakub Jelinek <jakub@redhat.com>
2551 * doc/invoke.texi (-fira): Remove.
2553 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2555 * caller-save.c: Replace regclass.c with reginfo.c in comments.
2556 * recog.c: Likewise.
2559 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
2561 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
2562 (umul_ppmm): Likewise.
2563 (count_leading_zeros): Likewise.
2564 (count_trailing_zeros): Likewise.
2565 (UMUL_TIME): Likewise.
2567 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2569 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
2570 soft-fp/t-softfp to tmake_file.
2572 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
2573 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
2574 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
2575 IA64_BUILTIN_INFQ]: New.
2576 (ia64_init_builtins): Initialize __builtin_infq,
2577 __builtin_fabsq and __builtin_copysignq if not HPUX.
2578 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
2579 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
2581 * config/ia64/lib1funcs.asm (__divtf3): Define only if
2583 (__fixtfti): Likewise.
2584 (__fixunstfti): Likewise.
2585 (__floattitf): Likewise.
2587 * config/ia64/libgcc-glibc.ver: New.
2588 * config/ia64/t-fprules-softfp: Likewise.
2589 * config/ia64/sfp-machine.h: Likewise.
2591 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
2592 (LIBGCC2_TF_CEXT): Likewise.
2593 (TF_SIZE): Likewise.
2594 (TARGET_INIT_LIBFUNCS): Likewise.
2596 * config/ia64/t-glibc (SHLINB_MAPFILES):
2597 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
2599 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2601 * config/i386/i386.c (construct_container): Rewrite processing
2602 BLKmode with X86_64_SSE_CLASS.
2604 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
2607 * config/i386/i386.md: Replace simplify_replace_rtx with
2608 replace_rtx in the new peephole2.
2610 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
2612 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
2613 loop unrolling do not happen at -O2.
2615 2009-02-12 Michael Matz <matz@suse.de>
2617 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
2619 2009-02-12 Jakub Jelinek <jakub@redhat.com>
2621 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
2624 2009-02-12 Ben Elliston <bje@au.ibm.com>
2626 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
2627 patterns when updating the back chain. Missed in the 2009-02-10
2630 2009-02-11 Janis Johnson <janis187@us.ibm.com>
2632 * doc/extend.texi (Decimal Floating Types): Update identifier of
2633 draft TR and list of missing support.
2635 2009-02-11 Jakub Jelinek <jakub@redhat.com>
2638 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
2639 bit to variable length decl's flags, add it also to its
2640 pointer replacement variable.
2642 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
2643 Jakub Jelinek <jakub@redhat.com>
2646 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
2647 (memory_blockage): New expander.
2648 (*memory_blockage): New insn pattern.
2649 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
2650 instead of general blockage at the end of function prologue when
2651 frame pointer is used to access red zone area. Do not emit blockage
2652 when profiling, it is emitted in generic code.
2653 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
2654 function epilogue when frame pointer is used to access red zone area.
2656 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
2659 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
2660 by arithmetic with memory operands.
2661 * config/i386/predicates.md (commutative_operator): New.
2663 2009-02-10 Janis Johnson <janis187@us.ibm.com>
2665 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
2668 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
2670 * alias.h (record_alias_subset): Declare.
2671 * alias.c (record_alias_subset): Make global.
2673 2009-02-10 Nick Clifton <nickc@redhat.com>
2675 * tree-parloops.c: Change license to GPLv3.
2676 * ipa-struct-reorg.c: Change license to GPLv3.
2677 * ipa-struct-reorg.h: Change license to GPLv3.
2679 2009-02-10 Steve Ellcey <sje@cup.hp.com>
2682 * c-decl.c (start_struct): Return NULL on error.
2684 2009-02-10 Jakub Jelinek <jakub@redhat.com>
2687 * cfgloopmanip.c (remove_path): Call remove_bbs after
2688 cancel_loop_tree, not before it.
2691 * function.h (struct function): Add has_local_explicit_reg_vars bit.
2692 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
2693 VAR_DECLs were seen.
2694 * tree-ssa-live.c (remove_unused_locals): Recompute
2695 cfun->has_local_explicit_reg_vars.
2696 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
2697 copies or clearings if cfun->has_local_explicit_reg_vars.
2699 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
2702 * config/i386/i386.c (expand_prologue): Emit blockage at the end
2703 of function prologue when frame pointer is used to access
2706 2009-02-10 Richard Guenther <rguenther@suse.de>
2709 * gimplify.c (gimple_regimplify_operands): Always look if
2710 we need to create a temporary.
2712 2009-02-10 Richard Guenther <rguenther@suse.de>
2714 PR tree-optimization/39132
2715 * tree-loop-distribution.c (todo): New global var.
2716 (generate_memset_zero): Trigger TODO_rebuild_alias.
2717 (tree_loop_distribution): Return todo.
2719 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
2722 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
2723 (x86_64_reg_class_name): Removed.
2724 (classify_argument): Return 0 if bytes > 32. Return 0 if the
2725 first one isn't X86_64_SSE_CLASS or any other ones aren't
2726 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
2727 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
2728 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
2729 and 3 X86_64_SSEUP_CLASS.
2730 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
2731 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
2733 2009-02-10 Ben Elliston <bje@au.ibm.com>
2735 * config/rs6000/rs6000.md (allocate_stack): Always use an update
2736 form instruction to update the stack back chain word, even if the
2737 user has disabled the generation of update instructions.
2738 (movdi_<mode>_update_stack): New.
2739 (movsi_update_stack): Likewise.
2740 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
2741 always use an update form instruction to update the stack back
2744 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
2747 * graphite.c (if_region_set_false_region): After moving a region in
2748 the false branch of a condition, remove the empty dummy basic block.
2749 (gloog): Remove wrong fix for PR38953.
2751 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2753 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
2754 generation due to implicit sign extension.
2756 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
2759 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
2760 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
2762 2009-02-09 Richard Guenther <rguenther@suse.de>
2765 * convert.c (convert_to_real): Disable (float)fn((double)x)
2766 to fnf(x) conversion if errno differences may occur and
2767 -fmath-errno is set.
2769 2009-02-07 Anatoly Sokolov <aesok@post.ru>
2771 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
2772 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2773 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2775 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2778 * c-common.c (handle_alias_attribute): Disallow attribute for
2779 anything not a FUNCTION_DECL or VAR_DECL.
2781 2009-02-06 Janis Johnson <janis187@us.ibm.com>
2784 * real.c (do_compare): Special-case compare of zero against
2785 decimal float value.
2787 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2790 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
2791 as indicating flexible array members unless the field itself is
2792 being declarared as the incomplete array.
2794 2009-02-06 Jan Hubicka <jh@suse.cz>
2796 PR tree-optimization/38844
2797 * ipa-inline.c (try_inline): Stop inlining recursion when edge
2800 2009-02-06 Richard Guenther <rguenther@suse.de>
2803 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
2804 fork because we may expand it as __gcov_fork.
2806 2009-02-06 Nick Clifton <nickc@redhat.com>
2808 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
2810 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
2812 PR tree-optimization/35659
2813 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
2814 vn_phi_eq): Shortcut if hashcode does not match.
2815 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
2817 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
2818 and avoid iterative_hash_expr.
2819 (FOR_EACH_VALUE_ID_IN_SET): New.
2820 (value_id_compare): Remove.
2821 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
2822 sort expressions by value id.
2824 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
2827 * config/sh/predicates.md (general_movsrc_operand): Don't check
2828 the subreg of system registers here.
2830 2009-02-05 Jakub Jelinek <jakub@redhat.com>
2833 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
2836 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
2838 PR rtl-optimization/39110
2839 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
2840 addresses, not aligned ones.
2842 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
2843 Richard Guenther <rguenther@suse.de>
2845 PR tree-optimization/39100
2846 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
2847 comment says and add edges.
2849 2009-02-05 Joseph Myers <joseph@codesourcery.com>
2852 * c-common.c (handle_tls_model_attribute): Ignore attribute for
2853 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
2855 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
2857 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
2858 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
2859 register_bb_in_sese, new_sese, free_sese): Moved.
2860 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
2861 outermost_loop_in_scop, build_scop_iteration_domain,
2862 expand_scalar_variables_ssa_name, get_vdef_before_scop,
2863 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
2864 Use loop_in_sese_p instead of loop_in_scop_p.
2865 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
2866 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
2867 (scopdet_basic_block_info): Fix bug in scop detection.
2868 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
2869 eq_loop_to_cloog_loop): Remove.
2870 (nb_loops_around_loop_in_scop, nb_loop
2871 ref_nb_loops): Moved here...
2872 * graphite.h (ref_nb_loops): ... from here.
2873 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
2874 (loop_domain_dim, loop_iteration_vector_dim): Remove.
2875 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
2876 * testsuite/gcc.dg/graphite/scop-19.c: New
2878 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
2879 Hans-Peter Nilsson <hp@axis.com>
2881 PR rtl-optimization/37889
2882 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
2883 Move offset handling from PLUS to before the switch. Use new
2884 arguments when considering SYMBOL_REFs too.
2885 (rtx_addr_can_trap_p): Pass dummy offset and size.
2886 (enum may_trap_p_flags): Remove.
2887 (may_trap_p_1): Pass size from MEM_SIZE.
2889 PR rtl-optimization/38921
2890 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
2891 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
2892 * rtlanal.c (may_trap_after_code_motion_p): Delete.
2893 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
2895 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
2897 AVX Programming Reference (January, 2009)
2898 * config/i386/sse.md (*vpclmulqdq): New.
2900 2009-02-04 Jakub Jelinek <jakub@redhat.com>
2902 PR tree-optimization/38977
2903 PR gcov-profile/38292
2904 * calls.c (special_function_p): Disregard __builtin_ prefix.
2906 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
2908 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
2909 non-indexable addresses even before reload.
2911 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2914 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
2915 as having variable size. Do not give an error for unnamed
2916 parameters with [*] declarators. Give a warning for type names
2917 with [*] declarators and mark them as variable size.
2918 * c-parser.c (c_parser_sizeof_expression): Do not give an error
2919 for sizeof applied to [*] type names.
2921 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
2924 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
2926 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2928 * gcc.c (process_command): Update copyright notice dates.
2929 * gcov.c (print_version): Likewise.
2930 * gcov-dump.c (print_version): Likewise.
2931 * mips-tfile.c (main): Likewise.
2932 * mips-tdump.c (main): Likewise.
2934 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2937 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
2938 for composite type involving a zero-length array type.
2940 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2943 * function.c (match_asm_constraints_1): Skip over
2944 initial optional % in the constraint.
2947 * c-parser.c (c_parser_postfix_expression): If fixed point is not
2948 supported, don't accept FIXED_CSTs.
2949 * c-decl.c (finish_declspecs): Error if fixed point is not supported
2950 and _Sat is used without _Fract/_Accum. Set specs->type to
2951 integer_type_node for cts_fract/cts_accum if fixed point is not
2954 2009-02-02 Catherine Moore <clm@codesourcery.com>
2956 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
2958 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
2960 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
2961 (ABI_HAS_64BIT_SYMBOLS): Use it.
2962 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
2964 2009-02-02 Paul Brook <paul@codesourcery.com>
2966 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
2968 2009-02-02 Jakub Jelinek <jakub@redhat.com>
2971 * recog.h (asm_operand_ok): Add constraints argument.
2972 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
2973 recurse on matching constraint.
2974 (check_asm_operands): Pass constraints as 3rd argument to
2975 asm_operand_ok. Don't look up matching constraint here.
2976 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
2979 2009-02-02 Ben Elliston <bje@au.ibm.com>
2981 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
2982 TARGET_NARROW_VOLATILE_BITFIELD macro names.
2984 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2986 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
2987 information. Remove some obsolete information. Reorganize.
2989 * config/pa/fptr.c: Revert license to GPL 2.
2990 * config/pa/milli64.S: Likewise.
2992 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
2995 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
2996 LIBRARY name in, instead of hard-coding it.
2997 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
2998 extra target make frag to tmake_files according to EH model.
2999 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
3000 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
3001 frags that define makefile variable EH_MODEL appropriately.
3002 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
3003 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
3004 to "-sjlj" according to type of EH configured.
3005 (LIBGCC_SONAME): Concatenate it to shared library base name.
3006 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
3007 to "_sjlj" according to type of EH configured.
3008 (LIBGCC_SONAME): Concatenate it to shared library base name.
3009 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
3010 (SHLIB_LINK): Add missing semicolon to if-else construct.
3011 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
3012 string value of "pe_dll" command-line option.
3013 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
3014 (SHLIB_SONAME): Use it when overriding t-cygming default.
3015 (SHLIB_IMPLIB): Override t-cygming default.
3016 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
3017 string value of "pe_dll" command-line option.
3019 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
3022 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
3023 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
3025 2009-01-31 Richard Guenther <rguenther@suse.de>
3027 PR tree-optimization/38937
3028 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
3029 computing the transitive closure.
3031 2009-01-30 Richard Guenther <rguenther@suse.de>
3033 PR tree-optimization/39041
3034 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3035 Propagate variable indices only if the types match for this stmt.
3037 2009-01-30 Jakub Jelinek <jakub@redhat.com>
3040 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
3041 inline but never defined.
3043 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
3045 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
3046 (*insv_h_di_reg_extimm): New insn.
3047 (*insv_l<mode>_reg_extimm): New insn.
3049 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
3051 * config/picochip/picochip.c (flag_conserve_stack): set
3052 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
3053 fconserve-stack. Reduce call-overhead used by inliner.
3055 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
3058 * common.opt (flag_conserve_stack): Initialised to zero.
3060 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
3063 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
3064 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
3067 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
3069 * ira-color.c (allocno_reload_assign): Update comments.
3070 * regmove.c (regmove_optimize): Likewise.
3074 2009-01-29 Robert Millan <rmh@aybabtu.com>
3076 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
3077 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
3078 `MD_UNWIND_SUPPORT'.
3079 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
3081 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
3083 PR tree-optimization/39007
3084 * tree-loop-distribution.c (generate_builtin): Use
3085 recompute_dominator to compute the immediate dominator of the
3086 basic block just after the loop.
3088 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3090 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
3091 (ASM_OUTPUT_DWARF_PCREL): Define.
3093 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
3095 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
3096 * doc/passes.texi: Remove entries about regclass, local-alloc, and
3097 global. Modify entries about regmove and IRA.
3099 * ra-conflict.c: Remove the file.
3101 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
3103 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
3104 (pass_regclass_init): Rename to pass_reginfo_init.
3106 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
3108 * toplev.h (flag_ira): Remove.
3110 * caller-save.c (setup_save_areas): Remove flag_ira.
3112 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
3114 * global.c: Remove the file.
3116 * opts.c (decode_options): Remove flag_ira.
3118 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
3120 * regmove.c: Modify file description.
3121 (find_use_as_address, try_auto_increment): Define them only if
3122 AUTO_INC_DEC is defined.
3123 (replacement_quality, replace_in_call_usage, fixup_match_1,
3124 stable_and_no_regs_but_for_p): Remove.
3125 (reg_set_in_bb): Make it static.
3126 (regmove_optimize): Remove flag_ira and code which worked for
3129 * local-alloc.c: Remove the file.
3131 * common.opt (fira): Remove.
3133 * ira.c: Include except.h.
3134 (eliminable_regset): Move from global.c.
3135 (mark_elimination): Ditto. Remove flag_ira.
3136 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
3137 equiv_mem_modified, validate_equiv_mem_from_store,
3138 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
3139 contains_replace_regs, memref_referenced_p, memref_used_between_p,
3140 no_equiv, recorded_label_ref): Move from local-alloc.c.
3141 (update_equiv_regs): Ditto. Make it static.
3142 (print_insn_chain, print_insn_chains): Move it from global.c.
3143 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
3144 (build_insn_chain): Ditto. Make it static.
3145 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
3146 Rename to init_live_subregs.
3147 (gate_ira): Remove flag_ira.
3149 * regclass.c: Rename reginfo.c. Change file description.
3150 (FORBIDDEN_INC_DEC_CLASSES): Remove.
3151 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
3152 (init_reg_sets_1): Remove code for evaluation of
3153 reg_class_superclasses and losing_caller_save_reg_set.
3154 (init_regs): Remove init_reg_autoinc.
3155 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
3156 ok_for_base_p_nonstrict): Remove.
3157 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
3158 (pass_regclass_init): Rename to pass_reginfo_init. Modify
3159 corresponding entries.
3160 (dump_regclass, record_operand_costs, scan_one_insn,
3161 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
3162 record_address_regs, auto_inc_dec_reg_p): Remove.
3163 (gt-regclass.h): Rename to gt-reginfo.h.
3165 * rtl.h (dump_global_regs, retry_global_alloc,
3166 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
3168 * Makefile.in (RA_H): Remove.
3169 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
3170 Rename regclass.o to reginfo.o.
3171 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
3173 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
3174 (GTFILES): Rename regclass.c to reginfo.c.
3176 * passes.c (init_optimization_passes): Remove pass_local_alloc and
3177 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
3179 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3180 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
3182 (finish_spills): Ditto. Remove code for !flag_ira.
3184 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3187 * doc/invoke.texi (rtl debug options): Complete rewrite.
3188 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
3190 * mode-switching.c (pass_mode_switching): Rename pass from
3191 "mode-sw" to "mode_sw".
3192 * except.c (pass_convert_to_eh_ranges): Rename pass from
3193 "eh-ranges" to "eh_ranges".
3194 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
3198 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
3199 Alexander Monakov <amonakov@ispras.ru>
3202 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
3204 (move_exprs_to_boundary): Change return type and pass through
3205 should_move from move_op. Relax assert. Update usage ...
3206 (schedule_expr_on_boundary): ... here. Use should_move instead of
3208 (move_op_orig_expr_found): Indicate that insn was disconnected from
3210 (code_motion_process_successors): Do not call after_merge_succs
3211 callback if original expression was not found when traversing any of
3213 (code_motion_path_driver): Change return type. Update prototype.
3214 (move_op): Update comment. Add a new parameter (should_move). Update
3215 prototype. Set *should_move based on indication provided by
3216 move_op_orig_expr_found.
3218 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
3220 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
3221 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
3222 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
3223 * config/rs6000/rs6000.c (rs6000_override_options): Default
3224 avoid-indexed-addresses on for Power6, off for everything else.
3225 (avoiding_indexed_address_p): New function.
3226 (rs6000_legitimize_address): Use it.
3227 (rs6000_legitimate_address): Likewise.
3228 * config/rs6000/rs6000.md (movXX_updateX): Likewise
3230 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
3232 PR tree-optimization/38997
3233 * tree-loop-distribution.c (generate_memset_zero): Use
3234 POINTER_PLUS_EXPR for a pointer addition.
3236 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
3238 * config/s390/s390.md (bswap<mode>2): New pattern added.
3240 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3242 * config/s390/s390.md (*tls_load_31): Added type attribute.
3244 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3246 * config/s390/s390.md: Fix a few comments.
3248 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3250 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
3251 (*tm<mode>_full): Fixed z10prop attribute.
3252 (*tst<mode>_extimm): Fixed z10prop attribute.
3253 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
3254 (*tstqiCCT_cconly): Fixed z10prop attribute.
3255 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
3256 (*movsi_larl): Fixed z10prop attribute.
3257 (*movsi_zarch): Fixed z10prop attribute.
3258 (*movsi_eas): Fixed z10prop attribute.
3259 (*movhi): Fixed z10prop attribute.
3260 (*movqi): Fixed z10prop attribute.
3261 (*movstrictqi): Fixed z10prop attribute.
3262 (*mov<mode>): Fixed z10prop attribute.
3263 (*movcc): Fixed z10prop attribute.
3264 (*sethighpartdi_64): Fixed z10prop attribute.
3265 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
3266 (*negdi2_sign_cc): Fixed z10prop attribute.
3267 (*negdi2_sign): Fixed z10prop attribute.
3268 (*absdi2_sign_cc): Fixed z10prop attribute.
3269 (*absdi2_sign): Fixed z10prop attribute.
3270 (*negabsdi2_sign_cc): Fixed z10prop attribute.
3271 (*negabsdi2_sign): Fixed z10prop attribute.
3272 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
3273 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
3274 (doloop_si64): Fixed z10prop attribute.
3275 (doloop_si31): Fixed z10prop attribute.
3276 (doloop_long): Fixed z10prop attribute.
3277 (indirect_jump): Fixed z10prop attribute.
3278 (nop): Fixed z10prop attribute.
3279 (main_base_64): Fixed z10prop attribute.
3280 (reload_base_64): Fixed z10prop attribute.
3282 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3284 PR rtl-optimization/38740
3285 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
3287 * config/mips/mips.c (mips_reorg): Likewise.
3289 2009-01-28 Richard Guenther <rguenther@suse.de>
3291 PR tree-optimization/38926
3292 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
3293 with the correct value id to a value.
3294 (do_regular_insertion): Use the value number of edoubleprime
3295 for the value number of the expr.
3298 2008-08-21 Richard Guenther <rguenther@suse.de>
3300 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
3301 a PHI ask VN if it is already available.
3302 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
3303 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
3305 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3308 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
3309 set to varying whenever max has TREE_OVERFLOW set, similarly
3310 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
3312 2009-01-28 Richard Guenther <rguenther@suse.de>
3315 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
3316 uninitialized aggregate uses in call arguments.
3318 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
3320 PR tree-optimization/38984
3321 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
3322 the nothing_id variable if -fno-delete-null-pointer-checks.
3324 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
3327 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
3328 (set_got_offset_rex64): Ditto.
3330 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
3333 * doc/extend.texi: Improve local variable with asm reg.
3335 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
3337 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
3338 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
3339 was not supplied then set warn_packed_bitfield_compat to the
3341 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
3344 2009-01-27 Richard Guenther <rguenther@suse.de>
3346 PR tree-optimization/38503
3347 * cfgexpand.c (expand_gimple_basic_block): Ignore
3348 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
3349 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
3350 variables that cannot have TBAA applied.
3351 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
3354 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
3357 * calls.c (initialize_argument_information): Do not wrap complex
3358 arguments in SAVE_EXPR.
3360 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
3362 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
3363 (INSTALL_LIBGCC): Revert typo commit.
3365 2009-01-26 Richard Guenther <rguenther@suse.de>
3367 PR tree-optimization/38745
3368 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
3369 from special handling.
3371 2009-01-26 Richard Guenther <rguenther@suse.de>
3373 PR tree-optimization/38745
3374 * tree-ssa.c (execute_update_addresses_taken): Do not include
3375 variables that cannot possibly be a register in not_reg_needs.
3376 Do not clear TREE_ADDRESSABLE on vars that may not become
3378 * tree-ssa.c (update_alias_info_1): Include those in the set
3379 of addressable vars.
3381 2009-01-26 Richard Guenther <rguenther@suse.de>
3384 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
3385 * tree-ssa-dse.c: Include langhooks.h
3386 (execute_simple_dse): Remove stores with zero size.
3388 2009-01-24 Jakub Jelinek <jakub@redhat.com>
3391 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
3394 2009-01-24 Julian Brown <julian@codesourcery.com>
3396 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
3397 config/arm/linux-atomic.c.
3398 * config/arm/linux-atomic.c: New.
3400 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
3402 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
3403 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
3404 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
3406 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
3409 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
3412 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
3414 PR tree-optimization/38953
3415 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3416 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
3417 (gloog): Split the exit of the scop when the scop exit is a loop exit.
3418 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3421 2009-01-24 Paul Brook <paul@codesourcery.com>
3423 * config/arm/neon.md (neon_type): Move to arm.md.
3424 (neon_mov<VSTRUCT>): Add neon_type attribute.
3425 * config/arm/arm.md (neon_type): Move to here.
3426 (conds): Add "unconditioal" and use as default for NEON insns.
3428 2009-01-24 Ben Elliston <bje@au.ibm.com>
3430 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
3431 void *' warning from -Wc++-compat.
3432 * Makefile.in (dominance.o-warn): Remove.
3434 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
3436 PR tree-optimization/38932
3437 * fold-const.c (fold_unary_ignore_overflow): New.
3438 * tree.h (fold_unary_ignore_overflow): Declare.
3439 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
3440 * tree-ssa-sccvn.c (visit_reference_op_load,
3441 simplify_unary_expression): Likewise.
3443 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
3445 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
3446 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
3447 regardless of their type.
3448 * c-common.c (handle_packed_attribute): Don't ignore packed on
3450 * c.opt (Wpacked-bitfield-compat): New warning option.
3451 * stor-layout.c (place_field): Warn if offset of a field changed.
3452 * doc/extend.texi (packed): Mention the ABI change.
3453 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
3454 (Warning Options): Add it to the list.
3456 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
3458 * c-opts.c (c_common_post_options): Fix a typo in comments.
3460 2009-01-22 Steve Ellcey <sje@cup.hp.com>
3463 * gimplify.c (gimplify_init_constructor): Fix promotion of const
3464 variables to static.
3465 * doc/invoke.texi (-fmerge-all-constants): Update description.
3467 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
3470 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
3471 (*movdi_1_rex64): Use type "mmx" for alternative 5.
3473 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
3475 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
3477 (LOCAL_ALIGNMENT): Similarly.
3479 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3480 Joseph Myers <joseph@codesourcery.com>
3482 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
3483 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
3484 * config/arm/arm-tune.md: Regenerate.
3485 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
3488 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3490 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
3491 version number to five.
3493 2009-01-22 Dodji Seketeli <dodji@redhat.com>
3496 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
3497 * c-common.c (set_underlying_type): Likewise.
3498 (is_typedef_decl ): Likewise
3500 (set_underlying_type): Likewise.
3501 (is_typedef_type): Likewise.
3503 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
3506 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
3509 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
3512 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
3513 (LIBGCC_SPEC): Don't define.
3514 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
3516 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
3518 PR rtl-optimization/38879
3519 * alias.c (base_alias_check): Unaligned access via AND address can
3520 alias all surrounding object types except those with sizes equal
3521 or wider than the size of unaligned access.
3523 2009-01-21 Dodji Seketeli <dodji@redhat.com>
3526 * c-decl.c (clone_underlying_type): Move this ...
3527 * c-common.c (set_underlying_type): ... here.
3528 Also, make sure the function properly sets TYPE_STUB_DECL() on
3529 the newly created typedef variant type.
3530 (is_typedef_decl ): New entry point.
3531 * tree.h: Added a new member member_types_needing_access_check to
3532 struct tree_decl_non_common.
3533 (set_underlying_type): New entry point.
3534 (is_typedef_type): Likewise.
3536 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
3538 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
3539 Check whether two instructions have memory references that
3540 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
3541 are helper functions for traversing.
3542 * alias.h (insn_alias_sets_confilict_p): New prototypes.
3543 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
3544 not to draw dependency edge for instructions with non-conflicting
3547 2009-01-20 Joseph Myers <joseph@codesourcery.com>
3550 * longlong.h: Update copyright years. Use soft-fp license notice.
3551 Sync __clz_tab declaration with glibc.
3553 2009-01-20 Steve Ellcey <sje@cup.hp.com>
3556 * doc/extend.texi (syscall_linkage): New.
3557 (version_id): Modify.
3559 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
3560 Richard Guenther <rguenther@suse.de>
3562 PR tree-optimization/38747
3563 PR tree-optimization/38748
3564 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
3565 conversion if the base address is an indirect reference and the
3566 aliasing sets could cause issues.
3568 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
3570 * common.opt (fgraphite, fgraphite-identity): Add comment for
3571 explaining why these options are not documented.
3573 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
3575 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3576 gimple_call_lhs is NULL.
3578 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
3581 * emit-rtl.c (adjust_address_1): Make sure memref is never
3584 2009-01-20 Ben Elliston <bje@au.ibm.com>
3586 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3587 const qualifier from arg parameter. Remove unnecessary cast to char *.
3588 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3589 const qualifier from arg 2.
3591 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
3593 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
3595 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
3598 * rtl.h (reinit_regs): New prototype.
3599 * regclass.c: Include ira.h.
3601 * Makefile.in (regclass.o): Add ira.h.
3602 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
3604 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
3607 * c-common.c (handle_aligned_attribute): Use
3608 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
3609 default alignment value.
3611 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
3613 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
3614 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
3616 * doc/extend.texi: Update __attribute__ ((aligned)). Document
3617 __BIGGEST_ALIGNMENT__.
3619 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
3621 2009-01-18 Richard Guenther <rguenther@suse.de>
3623 PR tree-optimization/38819
3624 * tree-flow.h (operation_could_trap_helper_p): Declare.
3625 * tree-eh.c (operation_could_trap_helper_p): Export.
3626 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
3627 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
3628 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
3629 are about to insert a possibly trapping instruction and fail
3632 2009-01-18 Andreas Schwab <schwab@suse.de>
3634 * doc/install.texi (Configuration): Remove obsolete paragraph
3635 about use of --with-gnu-ld with --with-gnu-as.
3637 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
3639 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
3640 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
3641 Follow spelling conventions.
3643 2009-01-18 Ben Elliston <bje@au.ibm.com>
3645 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
3646 C++ warning about implicit conversion from void * to struct
3648 (bitmap_obstack_free): Likewise for bitmap_element *.
3649 * Makefile.in (bitmap.o-warn): Remove.
3651 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
3653 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
3655 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
3656 Tobias Grosser <tobi.grosser@amd.com>
3658 * graphite.c (graphite_trans_scop_block): Do not block single
3661 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
3663 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
3664 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
3665 test with assertion.
3667 2009-01-16 Richard Guenther <rguenther@suse.de>
3669 PR tree-optimization/38835
3671 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
3672 and INT + PTR -> (INT)(PTR p+ INT) folding.
3673 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
3675 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
3678 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
3679 the subreg from a lowpart subreg if it is also casting the value.
3681 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3682 Tobias Grosser <tobi.grosser@amd.com>
3684 * graphite.c (compare_prefix_loops): New.
3685 (build_scop_canonical_schedules): Rewritten.
3686 (graphite_transform_loops): Move build_scop_canonical_schedules
3687 after build_scop_iteration_domain.
3689 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3690 Tobias Grosser <tobi.grosser@amd.com>
3692 * graphite.c (add_conditions_to_domain): Add the loops to
3693 the dimension of the iteration domain. Do copy the domain
3694 only when it exists.
3695 (build_scop_conditions_1): Do not call add_conditions_to_domain.
3696 (add_conditions_to_constraints): New.
3697 (can_generate_code_stmt, can_generate_code): Removed.
3698 (gloog): Do not call can_generate_code.
3699 (graphite_transform_loops): Call add_conditions_to_constraints
3700 after building the iteration domain.
3702 2009-01-16 Jakub Jelinek <jakub@redhat.com>
3704 PR tree-optimization/38789
3705 * tree-ssa-threadedge.c
3706 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
3707 __builtin_constant_p.
3709 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
3711 * dce.c (delete_unmarked_insns): Reversed the order that insns are
3712 examined before deleting them.
3714 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
3716 * function.c (aggregate_value_p): Correctly extract the function
3717 type from CALL_EXPR_FN lookup.
3719 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3721 * config/picochip/picochip.c (picochip_override_options): Revert
3722 CFI asm flag disable commited previously.
3724 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
3725 Tobias Grosser <tobi.grosser@amd.com>
3726 Jan Sjodin <jan.sjodin@amd.com>
3728 * graphite.c (scan_tree_for_params): On substractions negate
3729 all the coefficients of the term.
3730 (clast_to_gcc_expression_red): New. Handle reduction expressions
3731 of more than two operands.
3732 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3733 (get_vdef_before_scop): Handle also the case of default definitions.
3735 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3737 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
3738 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
3739 Also use them when walking CALL_INSN_FUNCTION_USAGE.
3741 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
3742 Joey Ye <joey.ye@intel.com>
3745 * cfgexpand.c (expand_stack_alignment): Don't update stack
3746 boundary nor check incoming stack boundary here.
3747 (gimple_expand_cfg): Update stack boundary and check incoming
3748 stack boundary here.
3750 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
3752 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
3754 2009-01-14 Jakub Jelinek <jakub@redhat.com>
3756 PR rtl-optimization/38245
3757 * calls.c (expand_call): Add stack arguments to
3758 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3759 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
3760 in regs and partially in memory or BLKmode arguments.
3761 (emit_library_call_value_1): Add stack arguments to
3762 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3763 ACCUMULATE_OUTGOING_ARGS).
3764 * dce.c: Include tm_p.h.
3765 (find_call_stack_args): New function.
3766 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
3768 (mark_insn): Call find_call_stack_args for CALL_Ps.
3769 (prescan_insns_for_dce): Walk insns backwards in bb rather than
3770 forwards. Allocate and free arg_stores bitmap if needed, pass it
3771 down to deletable_insn_p, don't mark stores set in arg_stores
3772 bitmap, clear the bitmap at the beginning of each bb.
3773 * Makefile.in (dce.o): Depend on $(TM_P_H).
3775 2009-01-14 Michael Meissner <gnu@the-meissners.org>
3778 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
3779 to make sure the insn is a conditional test (bug 22599). Reformat a
3782 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
3785 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3786 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3787 (gloog): Do not call cleanup_tree_cfg.
3788 (graphite_transform_loops): Call cleanup_tree_cfg after all
3789 scops have been code generated.
3791 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
3792 * doc/gty.texi (Invoking the garbage collector): Added new node
3793 and section documenting ggc_collect.
3795 2009-01-14 Richard Guenther <rguenther@suse.de>
3797 PR tree-optimization/38826
3799 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
3800 initialization notes only if we actually emitted a warning.
3801 (intra_create_variable_infos): Add constraints for a result decl
3802 that is passed by hidden reference.
3803 (build_pred_graph): Mark all related variables non-direct on
3806 2009-01-14 Nick Clifton <nickc@redhat.com>
3808 * ira-conflicts.c: Include addresses.h for the definition of
3810 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
3811 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
3813 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
3816 * Makefile.in (ira-lives.o): Add except.h.
3818 * ira-lives.c: Include except.h.
3819 (process_bb_node_lives): Process can_throw_internal.
3821 2009-01-13 Jakub Jelinek <jakub@redhat.com>
3823 PR rtl-optimization/38774
3824 * combine.c (simplify_set): When undoing cc_use change, don't do
3825 PUT_CODE on the newly created comparison, but instead put back the
3828 2009-01-13 Joseph Myers <joseph@codesourcery.com>
3830 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
3831 values. Remove duplicate arm8 entry.
3833 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
3835 PR tree-optimization/38786
3836 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3837 the SSA_NAME case of expand_scalar_variables_expr.
3838 Set the type of an expression to the type of its assign statement.
3839 (expand_scalar_variables_expr): Also gather the scalar computation
3840 used to index the memory access. Do not pass loop_p.
3841 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
3842 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3843 the gimple_stmt_iterator where it inserts new code.
3845 (copy_bb_and_scalar_dependences): Do not pass loop_p.
3846 (translate_clast): Update call to copy_bb_and_scalar_dependences.
3848 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
3850 * graphite.h (debug_value): Removed.
3851 * graphite.c (debug_value): Removed.
3853 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
3855 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
3856 ldrd/strd with two 32-bit instructions.
3858 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
3860 * config/arm/arm.c (struct processors): Pass for speed down into
3861 cost helper functions.
3862 (const_ok_for_op): Handle COMPARE and inequality nodes.
3863 (arm_rtx_costs_1): Rewrite.
3864 (arm_size_rtx_costs): Update prototype.
3865 (arm_rtx_costs): Pass speed down to helper functions.
3866 (arm_slowmul_rtx_costs): Rework cost calculations.
3867 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
3868 (arm_9e_rtx_costs): Likewise.
3870 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
3872 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
3873 relocations of local symbols wider than UNITS_PER_WORD are not valid.
3874 (alpha_legitimize_address): Do not split local symbols wider than
3875 UNITS_PER_WORD into HIGH/LO_SUM parts.
3877 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
3880 * gcc.c (process_command): Replace call to execvp with calls
3881 to pex_one and exit.
3883 2009-01-03 Anatoly Sokolov <aesok@post.ru>
3886 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
3887 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
3888 variant for devices with 3-byte PC.
3889 (__tablejump_elpm__): New.
3891 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3894 * c-parser.c (c_parser_postfix_expression): Allow `->' in
3895 offsetof member-designator, handle it as `[0].'.
3897 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3899 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
3900 function when not using named sections on targets with named sections
3901 if branch distance is less than 262132.
3903 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
3905 * combine.c (combine_instructions): Recompute
3906 optimize_this_for_speed_p for each BB in the main combine loop.
3908 2009-01-12 Tomas Bily <tbily@suse.cz>
3911 * tree-loop-distribution.c (prop_phis): New function.
3912 (generate_builtin): Call prop_phis.
3913 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
3915 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3917 PR tree-optimization/38807
3918 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
3919 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
3921 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
3923 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
3924 subreg of op0 to the original op0.
3926 2009-01-11 Laurent GUERBY <laurent@guerby.net>
3928 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
3930 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
3933 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
3934 starting with digits.
3936 2009-01-10 Jakub Jelinek <jakub@redhat.com>
3939 * config/arm/arm.c (arm_is_long_call_p): Don't call
3940 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
3942 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
3944 * regrename.c (regrename_optimize): Fix dumping.
3945 (find_oldest_value_reg): Preserve REG_POINTER.
3946 (copy_hardreg_forward_1): Likewise.
3948 2009-01-09 Diego Novillo <dnovillo@google.com>
3950 * gimple.h (struct gimple_statement_base) <uid>: Document
3951 the restrictions on its use.
3953 (gimple_set_uid): Tidy.
3955 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3957 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
3958 zero guard even if align_bytes != 0 and count is smaller than
3961 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
3963 PR rtl-optimization/38495
3964 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
3965 (add_range_and_copies_from_move_list): Print all added ranges.
3966 Add ranges to memory optimized destination.
3968 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3972 * config/i386/i386.c (override_options): Reject
3973 -mstringop-strategy=rep_8byte with -m32.
3974 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
3975 to 1. Do count comparison against epilogue_size_needed at compile
3976 time even when count_exp was constant forced into register. For
3977 size_needed don't jump to epilogue, instead just avoid aligning
3978 and invoke the body algorithm. If need_zero_guard, add zero guard
3979 even if count is non-zero, but smaller than size_needed + number of
3980 bytes that could be stored for alignment.
3981 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
3982 to 1. If need_zero_guard, add zero guard even if count is non-zero,
3983 but smaller than size_needed + number of bytes that could be stored
3984 for alignment. Compare size_needed with epilogue_size_needed instead
3985 of desired_align - align, don't adjust size_needed, pass
3986 epilogue_size_needed to the epilogue expanders.
3989 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
3991 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3993 * pa.c (last_address): Change to unsigned.
3994 (update_total_code_bytes): Change argument to unsigned. Don't
3995 check if insn addresses are set.
3996 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
3997 addresses are not set.
3998 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
4000 2009-01-09 Nick Clifton <nickc@redhat.com>
4002 * config/sh/symbian.c: Replace uses of DECL_INLINE with
4003 DECL_DECLARED_INLINE_P.
4005 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4008 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
4009 GET_MODE (op0) in operand_subword_force calls.
4012 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
4013 fold_convert arg0 operands to TREE_TYPE (op0) first.
4015 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
4017 * params.def (ira-max-conflict-table-size): Decrease default value
4020 2009-01-08 Jakub Jelinek <jakub@redhat.com>
4022 PR tree-optimization/37031
4023 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
4025 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
4026 allocate it using gc instead of heap, use VEC_quick_push instead of
4028 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
4029 instead of heap, use VEC_quick_push instead of VEC_safe_push.
4030 * tree-data-ref.h (struct access_matrix): Change matrix to gc
4031 allocated vector from heap allocated.
4032 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
4033 * tree-loop-linear.c (linear_transform_loops): Allocate nest
4034 vector only after perfect_loop_nest_depth call.
4036 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
4037 Jan Sjodin <jan.sjodin@amd.com>
4039 PR tree-optimization/38559
4040 * graphite.c (debug_value, copy_constraint,
4041 swap_constraint_variables, scale_constraint_variable, ): New.
4042 (get_lower_bound, get_upper_bound): Removed.
4043 (graphite_trans_bb_strip_mine): Clean up this code that works
4044 only for constant number of iterations. Fully copy upper and
4045 lower bound constraints, not only the constant part of them.
4046 * graphite.h (debug_value): Declared.
4048 2009-01-08 Ira Rosen <irar@il.ibm.com>
4050 PR tree-optimization/37194
4051 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
4052 Don't add the cost of cost model guard in prologue to scalar
4053 outside cost in case of known number of iterations.
4055 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
4056 Alan Modra <amodra@bigpond.net.au>
4058 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
4059 non-word-aligned REG+CONST addressing.
4061 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
4064 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
4065 free_after_compilation when outputting a thunk.
4066 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
4067 Do not call free_after_compilation here.
4069 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
4071 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
4072 (ix86_valid_target_attribute_inner_p): Ditto.
4074 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
4076 PR tree-optimization/38492
4077 PR tree-optimization/38498
4078 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4079 * tree-chrec.h (scev_is_linear_expression): Declared.
4080 * graphite.c (graphite_cannot_represent_loop_niter): New.
4081 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4082 (graphite_loop_normal_form): Use gcc_assert.
4083 (scan_tree_for_params): Use CASE_CONVERT.
4084 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4085 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4086 Use gcc_assert. Discard scops that contain unhandled cases.
4087 (build_scop_conditions): Return a boolean status for unhandled cases.
4088 (strip_mine_profitable_p): Print the loop number, not its depth.
4089 (is_interchange_valid): Pass the depth of the loop nest, don't
4090 recompute it wrongly.
4091 (graphite_trans_bb_block): Same.
4092 (graphite_trans_bb_block): Print tentative of loop blocking.
4093 (graphite_trans_scop_block): Do not print that the loop has been
4095 (graphite_transform_loops): Do not handle scops that contain condition
4098 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
4100 AVX Programming Reference (December, 2008)
4101 * config/i386/avxintrin.h (_mm256_stream_si256): New.
4102 (_mm256_stream_pd): Likewise.
4103 (_mm256_stream_ps): Likewise.
4105 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
4106 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
4107 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
4108 (bdesc_special_args): Add __builtin_ia32_movntdq256,
4109 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
4110 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
4111 (ix86_expand_special_args_builtin): Likewise.
4113 * config/i386/sse.md (AVXMODEDI): New.
4114 (avx_movnt<mode>): Likewise.
4115 (avx_movnt<mode>): Likewise.
4116 (<sse>_movnt<mode>): Remove AVX support.
4117 (sse2_movntv2di): Likewise.
4119 2009-01-07 Richard Guenther <rguenther@suse.de>
4122 * fold-const.c (extract_muldiv): Remove obsolete comment.
4123 (fold_plusminus_mult_expr): Undo MINUS_EXPR
4124 to PLUS_EXPR canonicalization for the canonicalization.
4126 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
4128 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
4129 hosted cross-compilers generating less efficient code.
4131 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4133 * function.h (rtl_data): Add a dbr_scheduled_p field.
4134 * reorg.c (dbr_schedule): Set it.
4135 (gate_handle_delay_slots): Check it.
4136 * config/mips/mips.c (mips_base_delayed_branch): Delete.
4137 (mips_reorg): Check flag_delayed_branch instead of
4138 mips_base_delayed_branch.
4139 (mips_override_options): Don't set mips_base_delayed_branch
4140 or flag_delayed_branch.
4142 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4144 PR rtl-optimization/38426.
4145 * ira.c (ira): Set current_function_is_leaf earlier.
4147 2009-01-06 Jakub Jelinek <jakub@redhat.com>
4149 PR rtl-optimization/38722
4150 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
4151 too early, only set a flag and modify after last possible
4154 2009-01-06 Janis Johnson <janis187@us.ibm.com>
4157 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
4158 * real.c (decimal_single_format): Correct values of emin and emax.
4159 (decimal_double_format): Ditto.
4160 (decimal_quad_format): Ditto.
4161 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
4162 computation of DECnn_MIN and DECnn_MAX for corrected values of
4163 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
4164 __DECnn_MIN__, and adjust its computation for the corrected value
4167 2009-01-06 Jan Hubicka <jh@suse.cz>
4170 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
4172 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
4174 * doc/contrib.texi (Contributors): Slightly adjust the end note.
4175 Add Robert Clark to the list of testers.
4177 2009-01-06 Jan Hubicka <jh@suse.cz>
4178 Kai Tietz <kai.tietz@onevision.com>
4180 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
4181 * config/i386/i386.c (ix86_expand_call): Add clobbers.
4183 2009-01-06 Jan Hubicka <jh@suse.cz>
4184 Kai Tietz <kai.tietz@onevision.com>
4186 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
4188 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
4189 (ix86_nsaved_regs): Count only general purpose regs.
4190 (ix86_nsaved_sseregs): New.
4191 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
4192 to 16 for w64; compute padding and size of sse reg save area.
4193 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
4194 general purpose regs.
4195 (ix86_emit_save_sse_regs_using_mov): New.
4196 (ix86_expand_prologue): Save SSE regs if needed.
4197 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
4198 (ix86_emit_restore_sse_regs_using_mov): New.
4199 (ix86_expand_epilogue): Save SSE regs if needed.
4201 2009-01-06 Jan Hubicka <jh@suse.cz>
4202 Kai Tietz <kai.tietz@onevision.com>
4204 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
4205 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
4206 functions when accumulate outgoing args is off.
4208 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4211 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
4212 before using pseudos_have_intersected_live_ranges_p.
4214 * ira-int.h (ira_assert): Always define.
4216 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4218 AVX Programming Reference (December, 2008)
4219 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
4220 (_mm256_permute2_pd): Likewise.
4221 (_mm_permute2_ps): Likewise.
4222 (_mm256_permute2_ps): Likewise.
4223 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
4224 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
4226 * config/i386/i386.c (ix86_builtins): Remove
4227 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
4228 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
4229 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
4230 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
4231 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
4232 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
4233 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
4234 __builtin_ia32_vpermil2ps256.
4235 (ix86_init_mmx_sse_builtins): Updated.
4236 (ix86_expand_args_builtin): Likewise.
4238 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4240 * pa.c (output_call): Relocate non-jump insns in the delay slot of
4241 long absolute calls when generating PA 2.0 code.
4243 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
4245 PR rtl-optimization/38583
4246 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
4248 * params.def (ira-max-conflict-table-size): New.
4250 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
4252 * ira.h (ira_conflicts_p): New external definition.
4254 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
4255 table. Report this. Return result of building.
4256 (ira_build_conflicts): Use ira_conflicts_p. Check result of
4257 building conflict table.
4259 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
4260 (ira_color): Use ira_conflicts_p.
4262 * global.c: Include ira.h.
4263 (pseudo_for_reload_consideration_p, build_insn_chain): Use
4266 * Makefile.in (global.o): Add ira.h.
4268 * ira-build.c (mark_all_loops_for_removal,
4269 propagate_some_info_from_allocno): New.
4270 (remove_unnecessary_allocnos): Call
4271 propagate_some_info_from_allocno.
4272 (remove_low_level_allocnos): New.
4273 (remove_unnecessary_regions): Add parameter. Call
4274 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
4275 parameter to remove_unnecessary_regions.
4276 (ira_build): Remove all regions but root if the conflict table was
4277 not built. Update conflict hard regs for allocnos crossing calls.
4279 * ira.c (ira_conflicts_p): New global.
4280 (ira): Define and use ira_conflicts_p.
4282 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4283 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
4284 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
4286 2009-01-06 Ben Elliston <bje@au.ibm.com>
4288 * gengtype-lex.l (YY_NO_INPUT): Define.
4290 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
4293 * c-common.c (handle_vector_size_attribute): Also reject
4296 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
4298 PR tree-optimization/38492
4299 * graphite.c (rename_map_elt, debug_rename_elt,
4300 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4301 rename_map_elt_info, eq_rename_map_elts,
4302 get_new_name_from_old_name, bb_in_sese_p): Moved around.
4303 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4304 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4305 (sese_build_livein_liveouts): New.
4306 (new_sese, free_sese): New.
4307 (new_scop): Call new_sese.
4308 (free_scop): Call free_sese.
4309 (rename_variables_from_edge, rename_phis_end_scop): Removed.
4310 (register_old_new_names): Renamed register_old_and_new_names.
4311 (register_scop_liveout_renames, add_loop_exit_phis,
4312 insert_loop_close_phis, struct igp,
4313 default_liveout_before_guard, add_guard_exit_phis,
4314 insert_guard_phis, copy_renames): New.
4315 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4316 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4317 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4318 (scop_adjust_phis_for_liveouts): New.
4319 (gloog): Call scop_adjust_phis_for_liveouts.
4321 * graphite.h (struct sese): Documented. Added fields liveout,
4323 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4324 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4325 (struct scop): Added field liveout_renames.
4326 (SCOP_LIVEOUT_RENAMES): New.
4328 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4330 PR tree-optimization/38510
4331 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4332 (translate_clast): Call recompute_all_dominators before
4334 (gloog): Call recompute_all_dominators before graphite_verify.
4336 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4337 Jan Sjodin <jan.sjodin@amd.com>
4339 PR tree-optimization/38500
4340 * graphite.c (create_sese_edges): Call fix_loop_structure after
4343 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
4345 * config.gcc: Add m32r*-*-rtems*.
4346 * config/m32r/rtems.h: New file.
4348 2009-01-05 Ben Elliston <bje@au.ibm.com>
4350 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
4351 (.po.pox): Likewise.
4352 (po/gcc.pot): Likewise.
4354 2009-01-04 David S. Miller <davem@davemloft.net>
4356 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
4357 (STARTING_FRAME_OFFSET): Always set to zero.
4359 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4361 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
4362 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
4363 fixed-point types, and vectors of the same.
4365 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4367 * config/mips/sync.md (*mb_barrier): Rename to...
4368 (*memory_barrier): ...this.
4370 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
4372 * doc/extend.texi (Function Attributes): Move @cindex after @item
4373 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
4374 and put in alphabetical order. Fix 'target' name and put in order.
4375 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
4378 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
4380 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
4381 (memory_barrier): Expand as unspec instead of unspec_volatile.
4382 Remove mem:BLK from insn operands. Use Pmode scratch register.
4383 (*memory_barrier): Define as unspec instead of unspec_volatile.
4384 Use (match_dup 0) as input operand.
4386 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
4387 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
4388 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
4389 scratch register. Remove operand 1.
4390 (*stbar): Define as unspec instead of unspec_volatile.
4391 Use (match_dup 0) as input operand, remove (const_int 8).
4392 (*membar): Define as unspec instead of unspec_volatile.
4393 Use (match_dup 0) as input operand, remove input operand 2.
4395 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
4396 (memory_barrier): Expand as unspec instead of unspec_volatile.
4397 Remove mem:BLK from insn operands. Use Pmode scratch register.
4398 (*memory_barrier): Define as unspec instead of unspec_volatile.
4399 Use (match_dup 0) as input operand.
4401 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
4402 Remove mem:BLK from insn operands. Use Pmode scratch register.
4403 Set volatile flag on operand 0.
4404 (*memory_barrier): New insn pattern.
4406 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
4408 (*memory_barrier): Use (match_dup 0) as input operand.
4410 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
4411 Remove mem:BLK from insn operands. Use Pmode scratch register.
4412 Set volatile flag on operand 0.
4413 (*mb_internal): New insn pattern.
4415 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
4417 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4420 * function.c (struct temp_slot): Move to the section of the file
4421 that deals with temp slots. Remove field 'address'.
4422 (temp_slot_address_table): New hash table of address -> temp slot.
4423 (struct temp_slot_address_entry): New struct, items for the table.
4424 (temp_slot_address_compute_hash, temp_slot_address_hash,
4425 temp_slot_address_eq, insert_temp_slot_address): Support functions
4427 (find_temp_slot_from_address): Rewrite to use the new hash table.
4428 (remove_unused_temp_slot_addresses): Remove addresses of temp
4429 slots that have been made available.
4430 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
4431 worker function for remove_unused_temp_slot_addresses.
4432 (assign_stack_temp_for_type): Don't clear the temp slot address list.
4433 Add the temp slot address to the address -> temp slot map.
4434 (update_temp_slot_address): Update via insert_temp_slot_address.
4435 (free_temp_slots): Call remove_unused_temp_slot_addresses.
4436 (pop_temp_slots): Likewise.
4437 (init_temp_slots): Allocate the address -> temp slot map, or empty
4438 the map if it is already allocated.
4439 (prepare_function_start): Initialize temp slot processing.
4441 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4444 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
4445 Calculate the size of all stack vars assuming no packing of stack
4446 vars will happen, replacing a quadratic algorithm with a linear one.
4448 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4451 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
4454 2009-01-03 Diego Novillo <dnovillo@google.com>
4456 * doc/contrib.texi: Update contributions.
4458 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4461 * builtins.c (fold_builtin_memory_op): Give up if either operand
4462 is volatile. Set srctype or desttype to non-qualified version
4466 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
4469 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
4471 PR rtl-optimization/35805
4472 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
4473 problem if fast dce is able to remove any instructions.
4474 * dce.c (dce_process_block): Fix dump message.
4476 2009-01-02 Mark Mitchell <mark@codesourcery.com>
4479 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
4481 2009-01-02 Jakub Jelinek <jakub@redhat.com>
4484 * tree-flow.h (op_code_prio, op_prio): New prototypes.
4485 * tree-pretty-print.c (op_code_prio): New function.
4486 (op_prio): No longer static. Use op_code_prio.
4487 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
4488 Use op_prio and op_code_prio to determine if () should be
4489 printed around operand(s) or not.
4491 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
4492 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
4493 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
4494 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
4495 pp_character instead of pp_string for single letter printing.
4497 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4499 * doc/extend.texi: Fix '#pragma GCC option' typo.
4501 2009-01-02 Richard Guenther <rguenther@suse.de>
4503 * doc/install.texi (--enable-checking): Mention different
4505 (--enable-stage1-checking): Document.
4507 2009-01-01 Andrew Pinski <pinskia@gmail.com>
4510 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
4511 case to be an error.
4513 2009-01-02 Ben Elliston <bje@au.ibm.com>
4515 * config/fp-bit.h (pack_d): Constify argument.
4516 * config/fp-bit.c (makenan): Constify return type. Remove casts.
4517 (isnan): Constify argument.
4521 (_fpadd_parts): Constify return type.
4522 (_fpmul_parts): Likewise.
4523 (_fpdiv_parts): Likewise.
4525 2009-01-01 Jakub Jelinek <jakub@redhat.com>
4528 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
4529 warn about overwriting initializer with side-effects or
4530 -Woverride-init if !IMPLICIT.
4531 (output_init_element): Likewise. Pass IMPLICIT down to
4533 (process_init_element): Add IMPLICIT argument. Pass it down
4534 to output_init_element.
4535 (push_init_element, pop_init_level, set_designator): Adjust
4536 process_init_element callers.
4537 (set_nonincremental_init, set_nonincremental_init_from_string):
4538 Adjust add_pending_init callers.
4539 (output_pending_init_elements): Adjust output_init_element callers.
4540 * c-tree.h (process_init_element): Adjust prototype.
4541 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
4542 process_init_element callers.