1 2009-03-31 Richard Guenther <rguenther@suse.de>
3 * tree.h (div_if_zero_remainder): Declare.
4 * fold-const.c (div_if_zero_remainder): Export.
6 (forward_propagate_addr_into_variable_array_index): Handle
7 constant array index addition outside of the variable index.
9 2009-03-31 Joseph Myers <joseph@codesourcery.com>
12 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
13 define_splits, floatunssi<mode>2): Require x87 conversions from
14 DImode to be permitted.
16 2009-03-31 Joseph Myers <joseph@codesourcery.com>
19 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
21 2009-03-31 Richard Guenther <rguenther@suse.de>
25 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
26 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
27 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
29 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
30 (lookup_tmp_var): Likewise.
31 (is_gimple_formal_tmp_or_call_rhs): Remove.
32 (is_gimple_reg_or_call_rhs): Rename to ...
33 (is_gimple_reg_rhs_or_call): ... this.
34 (is_gimple_mem_or_call_rhs): Rename to ...
35 (is_gimple_mem_rhs_or_call): ... this.
36 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
37 DECL_GIMPLE_REG_P only if is_formal is true.
38 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
39 for non-proper post-modify expression gimplification.
40 (gimplify_self_mod_expr): For post-modify expressions gimplify
41 the lvalue to a minimal lvalue.
42 (rhs_predicate_for): Remove formal temp case.
43 (gimplify_modify_expr_rhs): Likewise.
44 (gimplify_addr_expr): Use is_gimple_reg.
45 (gimplify_expr): Remove formal temp cases.
46 (gimple_regimplify_operands): Likewise.
47 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
48 and FILTER_EXPR like constants.
49 * gimple.c (walk_gimple_op): Fix val_only initialization, use
51 (is_gimple_formal_tmp_rhs): Remove.
52 (is_gimple_reg_rhs): Remove special casing.
53 (is_gimple_mem_rhs): Fix.
54 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
55 (is_gimple_formal_tmp_var): Remove.
56 (is_gimple_formal_tmp_reg): Likewise.
57 (is_gimple_min_lval): Allow invariant component ref parts.
58 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
59 is_gimple_formal_tmp_reg): Remove declarations.
60 * tree-cfg.c (verify_expr): Verify that variables with address
61 taken do not have DECL_GIMPLE_REG_P set.
62 * tree-mudflap.c (mf_build_check_statement_for): Use
63 force_gimple_operand instead of gimplify_expr.
65 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
67 * modulo-sched.c (sms_schedule_by_order): Pass the actual
68 schedulable rows to compute_split_row.
70 2009-03-31 Ben Elliston <bje@au.ibm.com>
73 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
76 2009-03-31 Alan Modra <amodra@bigpond.net.au>
78 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
79 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
80 * configure: Regenerate.
81 * config.in: Regenerate.
82 * config/rs6000/rs6000.opt (mtls-markers): Add.
83 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
84 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
85 (tls_ld_aix, tls_ld_sysv): Likewise.
86 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
87 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
89 2009-03-31 Alan Modra <amodra@bigpond.net.au>
91 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
93 2009-03-30 Jan Hubicka <jh@suse.cz>
95 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
97 (tree_remove_unreachable_handlers): Cleanup EH predecestor
98 detection and label handling.
100 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
102 * ira-int.h (ira_allocno): Rename left_conflicts_num to
104 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
105 ALLOCNO_LEFT_CONFLICTS_SIZE.
107 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
108 remove_allocno_from_bucket_and_push,
109 allocno_spill_priority_compare, push_allocnos_to_stack,
110 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
111 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
112 (setup_allocno_left_conflicts_num): Ditto. Rename to
113 setup_allocno_left_conflicts_size.
114 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
115 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
116 setup_allocno_left_conflicts_size instead of
117 setup_allocno_left_conflicts_num.
119 * ira-build.c (ira_create_allocno): Use
120 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
121 ALLOCNO_LEFT_CONFLICTS_NUM.
123 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
125 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
126 instead of DF_LR_OUT.
128 * ira-lives.c (process_bb_node_lives): Ditto.
130 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
131 instead of DF_LR_{OUT,IN}.
133 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
135 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
137 2009-03-30 Jan Hubicka <jh@suse.cz>
139 * except.c (label_to_region_map): Fix thinko.
141 2009-03-30 Steve Ellcey <sje@cup.hp.com>
144 * tree.h (tree_find_value): New declaration.
145 * tree.c (tree_find_value): New function.
146 * varasm.c (assemble_external): Avoid duplicate entries on lists.
148 2009-03-30 Jakub Jelinek <jakub@redhat.com>
151 * c-decl.c (struct c_binding): Add locus field.
152 (bind): Add locus argument, set locus field from it.
153 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
154 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
155 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
156 implicitly_declare, undeclared_variable, lookup_label,
157 declare_label, c_make_fname_decl, c_builtin_function,
158 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
161 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
164 * config/i386/i386.c (classify_argument): Check total size of
167 2009-03-30 Martin Jambor <mjambor@suse.cz>
169 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
170 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
171 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
174 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
175 seen_variable_array_ref while also traversing a union.
177 * tree-inline.c (optimize_inline_calls): Do not call
178 cgraph_node_remove_callees.
179 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
180 (pass_remove_cgraph_callee_edges): New variable.
181 * passes.c (init_optimization_passes): Add
182 pass_remove_cgraph_callee_edges after early inlining and before all
183 late intraprocedural passes.
185 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
187 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
189 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
192 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
194 * combine.c (simplify_comparison): Use have_insn_for.
195 * dojump.c (do_jump): Likewise.
197 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
199 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
200 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
201 sparc_compare_op0 like sparc_compare_emitted used to be handled.
202 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
203 instead of sparc_compare_emitted.
204 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
205 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
206 instead of sparc_compare_emitted.
208 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
210 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
211 enter/exit cfglayout mode.
212 (pass_partition_block): Require it.
213 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
214 (combine_instructions): Track basic blocks instead of labels.
215 (update_cfg_for_uncondjump): New.
216 (try_combine): Use it. Update jumps after rescanning.
217 (pass_combine): Require PROP_cfglayout.
218 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
220 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
222 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
223 Provide/destroy PROP_cfglayout respectively.
224 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
225 * tree-pass.h (PROP_cfglayout): New.
227 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
229 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
230 fold_convert_const_fixed_from_fixed,
231 fold_convert_const_fixed_from_int,
232 fold_convert_const_fixed_from_real, fold_negate_const): Do not
233 set TREE_CONSTANT_OVERFLOW.
234 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
235 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
237 2009-03-30 Ira Rosen <irar@il.ibm.com>
239 * tree-vect-loop-manip.c: New file.
240 * tree-vectorizer.c: Update documentation and included files.
241 (vect_loop_location): Make extern.
242 (rename_use_op): Move to tree-vect-loop-manip.c
243 (rename_variables_in_bb, rename_variables_in_loop,
244 slpeel_update_phis_for_duplicate_loop,
245 slpeel_update_phi_nodes_for_guard1,
246 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
247 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
248 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
249 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
250 find_loop_location): Likewise.
251 (new_stmt_vec_info): Move to tree-vect-stmts.c.
252 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
253 get_vectype_for_scalar_type, vect_is_simple_use,
254 supportable_widening_operation, supportable_narrowing_operation):
256 (bb_in_loop_p): Move to tree-vect-loop.c.
257 (new_loop_vec_info, destroy_loop_vec_info,
258 reduction_code_for_scalar_code, report_vect_op,
259 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
260 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
261 (vect_supportable_dr_alignment): Likewise.
262 * tree-vectorizer.h (tree-data-ref.h): Include.
263 (vect_loop_location): Declare.
264 Reorganize function declarations according to the new file structure.
265 * tree-vect-loop.c: New file.
266 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
267 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
268 * tree-vect-data-refs.c: New file.
269 * tree-vect-patterns.c (timevar.h): Don't include.
270 * tree-vect-stmts.c: New file.
271 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
272 tree-vect-slp.c, tree-vect-loop.c.
273 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
274 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
275 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
276 (tree-vect-analyze.o): Remove.
277 (tree-vect-transform.o): Likewise.
278 (tree-vect-data-refs.o): Add rule.
279 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
280 tree-vect-slp.o): Likewise.
281 (tree-vect-patterns.o): Remove redundant dependencies.
282 (tree-vectorizer.o): Likewise.
283 * tree-vect-slp.c: New file.
285 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
287 * optc-gen.awk: Warn if an option flag has multiple different
290 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
292 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
293 -floop-block): Document dependences on PPL, CLooG and Graphite.
295 2009-03-30 Joseph Myers <joseph@codesourcery.com>
297 PR rtl-optimization/323
298 * c-common.c (c_fully_fold, convert_and_check,
299 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
300 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
301 * c-common.def (EXCESS_PRECISION_EXPR): New.
302 * c-cppbuiltin.c (builtin_define_float_constants): Define
303 constants with enough digits for long double.
304 * c-lex.c (interpret_float): Interpret constant with excess
305 precision where appropriate.
306 * c-opts.c (c_common_post_options): Set
307 flag_excess_precision_cmdline. Give an error for
308 -fexcess-precision=standard for C++ for processors where the
309 option is significant.
310 * c-parser.c (c_parser_conditional_expression): Handle excess
311 precision in condition.
312 * c-typeck.c (convert_arguments): Handle arguments with excess
314 (build_unary_op): Move excess precision outside operation.
315 (build_conditional_expr): Likewise.
316 (build_compound_expr): Likewise.
317 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
318 (build_modify_expr): Handle excess precision in RHS.
319 (convert_for_assignment): Handle excess precision in converted
321 (digest_init, output_init_element, process_init_element): Handle
322 excess precision in initializer.
323 (c_finish_return): Handle excess precision in return value.
324 (build_binary_op): Handle excess precision in operands and add
325 excess precision as needed for operation.
326 * common.opt (-fexcess-precision=): New option.
327 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
328 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
329 For standard excess precision, output explicit conversion to and
330 truncation from XFmode.
331 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
332 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
333 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
334 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
335 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
336 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
337 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
338 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
339 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
340 define_splits, sqrt<mode>2): Disable where appropriate for
341 standard excess precision.
342 * convert.c (convert_to_real): Do not shorten arithmetic to type
343 for which excess precision would be used.
344 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
345 * doc/invoke.texi (-fexcess-precision=): Document option.
346 (-mfpmath=): Correct index entry.
347 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
348 flag_excess_precision): New.
349 * langhooks.c (lhd_post_options): Set
350 flag_excess_precision_cmdline.
351 * opts.c (common_handle_option): Handle -fexcess-precision=.
352 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
353 init_excess_precision): New.
354 (lang_dependent_init_target): Call init_excess_precision.
355 * tree.c (excess_precision_type): New.
356 * tree.h (excess_precision_type): Declare.
358 2009-03-30 Joseph Myers <joseph@codesourcery.com>
361 * c-typeck.c (build_component_ref): Do not copy qualifiers from
362 non-lvalue to component.
364 2009-03-29 Joseph Myers <joseph@codesourcery.com>
366 PR preprocessor/34695
367 * Makefile.in (c-opts.o): Depend on c-tree.h.
368 * c-common.c: Move down include of diagnostic.h.
369 (done_lexing, c_cpp_error): New.
370 * c-common.h (done_lexing): Declare.
371 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
373 * c-opts.c: Include c-tree.h.
374 (c_common_init_options): Set preprocessor error callback.
375 (c_common_handle_option): Do not set preprocessor
376 inhibit_warnings, warnings_are_errors, warn_system_headers,
377 pedantic_errors or inhibit_warnings flags.
378 (c_common_post_options): Do not check cpp_errors (parse_in).
379 (c_common_finish): Do not output dependencies if there were
380 errors. Do not check return value of cpp_finish.
381 * c-ppoutput.c (pp_file_change): Set input_location.
382 * c-tree.h (c_cpp_error): Declare.
383 * diagnostic.c (diagnostic_set_info_translated): Also initialize
385 (diagnostic_build_prefix): Check override_column.
386 * diagnostic.h (diagnostic_info): Add override_column field.
387 (diagnostic_override_column): Define.
389 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
391 * c-common.c (c_expand_expr, c_staticp): Remove.
392 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
393 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
394 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
395 * c-gimplify.c (gimplify_compound_literal_expr,
396 optimize_compound_literals_in_ctor): Remove.
397 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
398 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
399 * c-semantics.c (emit_local_var): Remove.
401 * langhooks-def.h (lhd_expand_expr): Remove.
402 * langhooks.c (lhd_expand_expr): Remove.
403 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
405 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
406 handling from c-semantics.c; don't call into langhook.
407 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
408 * gimplify.c (gimplify_compound_literal_expr,
409 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
410 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
411 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
412 as was done in c-gimplify.c.
413 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
414 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
415 Move from c-common.h.
416 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
418 * tree.c (staticp): Do not call langhook.
419 * langhooks.c (lhd_staticp): Delete.
420 * langhooks-def.h (lhd_staticp): Delete prototype.
421 (LANG_HOOKS_STATICP): Delete.
422 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
424 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
425 instead of DECL_STMTs.
427 2009-03-29 Joseph Myers <joseph@codesourcery.com>
435 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
437 (fold_call_expr): Return a NOP_EXPR from folding rather than the
438 contained expression.
439 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
440 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
441 conditional expressions for C.
442 (decl_constant_value_for_optimization): Move from
443 decl_constant_value_for_broken_optimization in c-typeck.c. Check
444 whether optimizing and that the expression is a VAR_DECL not of
445 array type instead of doing such checks in the caller. Do not
446 check pedantic. Call gcc_unreachable for C++.
447 * c-common.def (C_MAYBE_CONST_EXPR): New.
448 * c-common.h (c_fully_fold, c_save_expr,
449 decl_constant_value_for_optimization): New prototypes.
450 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
451 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
452 EXPR_INT_CONST_OPERANDS): Define.
453 * c-convert.c (convert): Strip nops from expression.
454 * c-decl.c (groktypename): Take extra parameters expr and
455 expr_const_operands. Update call to grokdeclarator.
456 (start_decl): Update call to grokdeclarator. Add statement for
457 expressions used in type of decl.
458 (grokparm): Update call to grokdeclarator.
459 (push_parm_decl): Update call to grokdeclarator.
460 (build_compound_literal): Add parameter non_const and build a
461 C_MAYBE_COSNT_EXPR if applicable.
462 (grokdeclarator): Take extra parameters expr and
463 expr_const_operands. Track expressions used in declaration
464 specifiers and declarators. Fold array sizes and track whether
465 they are constant expressions and whether they are integer
466 constant expressions.
467 (parser_xref_tag): Set expr and expr_const_operands fields in
469 (grokfield): Update call to grokdeclarator.
470 (start_function): Update call to grokdeclarator.
471 (build_null_declspecs): Set expr and expr_const_operands fields in
473 (declspecs_add_type): Handle expressions in typeof specifiers.
474 * c-parser.c (c_parser_declspecs): Set expr and
475 expr_const_operands fields for declaration specifiers.
476 (c_parser_enum_specifier): Likewise.
477 (c_parser_struct_or_union_specifier): Likewise.
478 (c_parser_typeof_specifier): Likewise. Update call to
479 groktypename. Fold expression as needed. Return expressions with
480 type instead of adding statements.
481 (c_parser_attributes): Update calls to c_parser_expr_list.
482 (c_parser_statement_after_labels): Fold expression before passing
483 to objc_build_throw_stmt.
484 (c_parser_condition): Fold expression.
485 (c_parser_asm_operands): Fold expression.
486 (c_parser_conditional_expression): Use c_save_expr. Update call
487 to build_conditional_expr.
488 (c_parser_alignof_expression): Update call to groktypename.
489 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
490 original_code. Fold expression argument of va_arg. Create
491 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
492 argument to va_arg. Update calls to groktypename. Fold array
493 index for offsetof. Verify that first argument to
494 __builtin_choose_expr has integer type.
495 (c_parser_postfix_expression_after_paren_type): Update calls to
496 groktypename and build_compound_literal. Handle expressions with
497 side effects in type name.
498 (c_parser_postfix_expression_after_primary): Update call to
499 c_parser_expr_list. Set original_code for calls to
500 __builtin_constant_p.
501 (c_parser_expr_list): Take extra parameter fold_p. Fold
502 expressions if requested.
503 (c_parser_objc_type_name): Update call to groktypename.
504 (c_parser_objc_synchronized_statement): Fold expression.
505 (c_parser_objc_receiver): Fold expression.
506 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
507 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
508 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
509 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
510 (struct c_typespec): Add elements expr and expr_const_operands.
511 (struct c_declspecs): Add elements expr and expr_const_operands.
512 (groktypename, build_conditional_expr, build_compound_literal):
514 (in_late_binary_op): Declare.
515 * c-typeck.c (note_integer_operands): New function.
516 (in_late_binary_op): New variable.
517 (decl_constant_value_for_broken_optimization): Move to c-common.c
518 and rename to decl_constant_value_for_optimization.
519 (default_function_array_conversion): Do not strip nops.
520 (default_conversion): Do not call
521 decl_constant_value_for_broken_optimization.
522 (build_array_ref): Do not fold result.
523 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
524 result when operand is a VLA.
525 (c_expr_sizeof_type): Update call to groktypename. Handle
526 expressions included in type name. Use C_MAYBE_CONST_EXPR for
527 result when operand names a VLA type.
528 (build_function_call): Update call to build_compound_literal.
529 Only fold result for calls to __builtin_* functions. Strip
530 NOP_EXPR from INTEGER_CST returned from such functions. Fold
531 the function designator.
532 (convert_arguments): Fold arguments. Update call to
533 convert_for_assignment.
534 (build_unary_op): Handle increment and decrement of
535 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
536 decrement earlier. Fold operand of increment and decrement.
537 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
538 built for integer operand. Wrap returns that are INTEGER_CSTs
539 without being integer constant expressions or that have integer
540 constant operands without being INTEGER_CSTs.
541 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
542 (build_conditional_expr): Add operand ifexp_bcp. Track whether
543 result is an integer constant expression or can be used in
544 unevaluated parts of one and avoid folding and wrap as
545 appropriate. Fold operands before possibly doing -Wsign-compare
547 (build_compound_expr): Wrap result for C99 if operands can be used
548 in integer constant expressions.
549 (build_c_cast): Update call to digest_init. Do not ignore
550 overflow from casting floating-point constants to integers. Wrap
551 results that could be confused with integer constant expressions,
552 null pointer constants or floating-point constants.
553 (c_cast_expr): Update call to groktypename. Handle expressions
554 included in type name.
555 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
556 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
557 Update calls to convert_for_assignment.
558 (convert_for_assignment): Take new parameter
559 null_pointer_constant. Do not strip nops or call
560 decl_constant_value_for_broken_optimization. Set
561 in_late_binary_op for conversions to boolean.
562 (store_init_value): Update call to digest_init.
563 (digest_init): Take new parameter null_pointer_constant. Do not
564 call decl_constant_value_for_broken_optimization. pedwarn for
565 initializers not constant expressions. Update calls to
566 convert_for_assignment.
567 (constructor_nonconst): New.
568 (struct constructor_stack): Add nonconst element.
569 (really_start_incremental_init, push_init_level, pop_init_level):
570 Handle constructor_nonconst and nonconst element.
571 (set_init_index): Call constant_expression_warning for array
573 (output_init_element): Fold value. Set constructor_nonconst as
574 applicable. pedwarn for initializers not constant expressions.
575 Update call to digest_init. Call constant_expression_warning
576 where constant initializers are required.
577 (process_init_element): Use c_save_expr.
578 (c_finish_goto_ptr): Fold expression.
579 (c_finish_return): Fold return value. Update call to
580 convert_for_assignment.
581 (c_start_case): Fold switch expression.
582 (c_process_expr_stmt): Fold expression.
583 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
584 ensure statement expression is not evaluated in constant expression.
585 (build_binary_op): Track whether results are integer constant
586 expressions or may occur in such, disable folding and wrap results
587 as applicable. Fold operands for -Wsign-compare warnings unless
589 (c_objc_common_truthvalue_conversion): Handle results folded to
590 integer constants that are not integer constant expressions.
591 * doc/extend.texi: Document when typeof operands are evaluated,
592 that condition of __builtin_choose_expr is an integer constant
593 expression, and more about use of __builtin_constant_p in
596 2009-03-29 Richard Guenther <rguenther@suse.de>
598 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
599 propagate addresses of array references.
601 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
603 * regmove.c (perhaps_ends_bb_p): Remove.
604 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
605 from INSN and check that the main loop stays within that basic block.
606 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
607 (regmove_forward_pass): Split out from regmove_optimize. Use
608 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
609 (regmove_backward_pass): Split out from regmove_optimize. Use
610 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
611 (regmove_optimize): Simplify.
613 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
616 * config/i386/i386.c (classify_argument): Ignore flexible array
617 member in struct and warn ABI change.
619 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
621 * config/i386/i386-protos.h (ix86_agi_dependent): New.
623 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
624 (ix86_adjust_cost): Updated.
626 2009-03-29 Jan Hubicka <jh@suse.cz>
629 * tree-pass.h (pass_cleanup_eh): New function.
630 (remove_unreachable_regions): Break code handling RTL
631 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
632 that can not be reached by runtime.
633 (can_be_reached_by_runtime): New function.
634 (label_to_region_map): New function.
635 (num_eh_regions): New function.
636 (rtl_remove_unreachable_regions): New function.
637 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
638 (remove_eh_region): New function.
639 * except.h: Include sbitmap and vecprim.
640 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
641 num_eh_regions): Declare.
642 * passes.c (init_optimization_passes): Schedule cleanup_eh.
643 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
644 * tree-eh.c (tree_remove_unreachable_handlers): New function.
645 (tree_empty_eh_handler_p): New function.
646 (cleanup_empty_eh): New function.
647 (cleanup_eh): New function.
648 (pass_cleanup_eh): New function.
650 2009-03-29 Jan Hubicka <jh@suse.cz>
652 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
655 2009-03-29 Jan Hubicka <jh@suse.cz>
657 * except.c (dump_eh_tree): Dump all datastructures.
659 2009-03-29 Jan Hubicka <jh@suse.cz>
661 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
662 (duplicate_eh_regions_1): Likewise.
663 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
664 vector; call EH verification.
665 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
666 Be ready for region being removed.
668 2009-03-29 Jan Hubicka <jh@suse.cz>
670 * bitmap.c (bitmap_last_set_bit): New function.
671 * bitmap.h (bitmap_last_set_bit): Declare.
673 2009-03-29 David Ayers <ayers@fsfe.org>
676 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
677 by calling objc_compare_types and surpress warnings about
678 incompatible C pointers that are compatible ObjC pointers.
680 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
682 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
683 call initialize_inline_failed.
684 (initialize_inline_failed): Move it from here ...
685 * cgraph.c (initialize_inline_failed): ... to here.
686 (cgraph_create_edge): Call initialize_inline_failed rather than
687 setting inline_failed directly.
689 2009-03-29 Ben Elliston <bje@au.ibm.com>
692 * sysv4.opt (msdata): Improve comment.
693 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
694 * sysv4.h (SVR4_ASM_SPEC): Likewise.
696 2009-03-29 Ben Elliston <bje@au.ibm.com>
699 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
700 load and store attributes.
702 2009-03-29 Ben Elliston <bje@au.ibm.com>
704 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
705 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
706 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
707 * doc/extend.texi (X86 Built-in Functions): Add index entries for
708 __builtin_infq and __builtin_huge_valq.
710 2009-03-28 Anatoly Sokolov <aesok@post.ru>
712 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
714 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
715 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
717 2009-03-28 Xinliang David Li <davidxl@google.com>
719 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
720 (do_dbg_cnt): New function.
722 2009-03-28 Jan Hubicka <jh@suse.cz>
724 Merge from pretty-ipa:
726 2009-03-27 Jan Hubicka <jh@suse.cz>
728 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
729 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
730 * passes.c (function_called_by_processed_nodes_p): New.
731 * ipa-pure-const.c (check_call): Fix handling of operands.
732 (analyze_function): Dump debug output for skipped bodies.
733 (local_pure_const): Use function_called_by_processed_nodes_p.
734 * dwarf2out.c (reference_to_unused): Use output.
735 * passes.c (do_per_function_toporder): Likewise.
737 2008-11-12 Jan Hubicka <jh@suse.cz>
739 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
740 * ipa-pure-const.c (funct_state_d): Add can throw field; make
741 state_set_in_source enum
742 (check_decl): Ignore memory tags; do not set fake looping flags;
744 (check_operand, check_tree, check_rhs_var, check_lhs_var,
745 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
746 (check_call, analyze_function): Rewrite.
748 (add_new_function): Update call of analyze_function.
749 (generate_summary): Add call of analyze_function.
750 (propagate): Propagate can_throw; handle state_set_in_source correctly.
751 (local_pure_const): New function.
752 (pass_local_pure_const): New pass.
753 * ipa-inline.c (inline_transform): Set after_inlining.
754 * tree-eh.c (stmt_can_throw_external): New.
755 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
756 work with aliasing built.
757 * tree-flow.h (stmt_can_throw_external): New.
758 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
759 and local pure/const pass in early and late optimization queue.
761 2009-03-28 Martin Jambor <mjambor@suse.cz>
763 * fold-const.c (get_pointer_modulus_and_residue): New parameter
765 (fold_binary): Allow function decl aligment consideration is the
766 second argument is integer constant one.
767 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
768 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
769 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
771 2009-03-28 Jan Hubicka <jh@suse.cz>
773 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
774 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
775 * function.h (rtl_data): Add nothrow flag.
776 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
777 set DECL_NOTHROW for AVAILABLE functions.
779 2009-03-28 Jakub Jelinek <jakub@redhat.com>
781 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
782 following vector keyword has expansion starting with pixel or bool
783 keyword, expand vector to __vector and pixel or bool to __pixel or
787 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
788 warn_if_disallowed_function_p): Removed.
789 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
790 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
791 warning_if_disallowed_function_p.
792 * flags.h (warn_if_disallowed_function_p,
793 warn_disallowed_functions): Removed.
794 * common.opt (Wdisallowed-function-list=): Removed.
795 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
797 2009-03-28 Richard Guenther <rguenther@suse.de>
799 PR tree-optimization/38723
800 * tree-ssa-pre.c (compute_avail): Add all default definitions to
803 2009-03-28 Jan Hubicka <jh@suse.cz>
805 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
806 test introduced by my previous patch.
808 2009-03-28 Richard Guenther <rguenther@suse.de>
810 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
811 the PHIs value undefined.
813 2009-03-28 Jan Hubicka <jh@suse.cz>
815 * tree-pass.h (pass_fixup_cfg): New pass.
816 * ipa-inline.c (inline_transform): Set
817 always_inline_functions_inlined/after_inlining.
818 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
819 (pass_fixup_cfg): New pass.
820 * passes.c (init_optimization_passes): Add fixup_cfg.
822 2009-03-28 Richard Guenther <rguenther@suse.de>
824 PR tree-optimization/38458
825 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
826 argument use the arguments copy-of value.
828 2009-03-28 Richard Guenther <rguenther@suse.de>
830 PR tree-optimization/38180
831 * tree-ssa-ccp.c (get_default_value): Simplify.
832 (likely_value): Likewise.
833 (surely_varying_stmt_p): Properly handle VOP case.
834 (ccp_initialize): Likewise.
835 (ccp_fold): Handle propagating through *&.
836 (fold_const_aggregate_ref): Also handle decls.
838 2009-03-28 Jan Hubicka <jh@suse.cz>
840 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
841 * cgraph.h (cgraph_node): Likewise.
842 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
843 (cgraph_reset_node): Use process flag.
844 (cgraph_mark_functions_to_output): Likewise.
845 (cgraph_expand_function): Likewise.
846 (cgraph_expand_all_functions): Likewise.
847 (cgraph_output_in_order): Likewise.
848 * dwarf2out.c (reference_to_unused): Likewise.
849 * passes.c do_per_function_toporder): Likewise.
851 2009-03-28 Jan Hubicka <jh@suse.cz>
853 Bring from lto-branch:
855 2008-09-03 Doug Kwan <dougkwan@google.com>
857 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
858 enums instead of reason strings.
859 * cgraph.c (cgraph_create_edge): Same.
860 (cgraph_inline_failed_string): New function.
861 * cgraph.h (cgraph_inline_failed_t): New enum type.
862 (cgraph_inline_failed_string): New prototype.
863 (struct cgraph_edge): Change type of INLINED_FAILED from constant
864 char pointer to cgraph_inline_failed_t.
865 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
866 (cgraph_default_inline_p): Ditto.
867 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
868 to cgraph_inline_failed_t pointer.
869 * cif-code.def: New file.
870 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
872 (cgraph_check_inline_limits): Change type of REASON to pointer to
873 cgraph_inline_failed_t. Replace reason strings with enums.
874 (cgraph_default_inline_p): Ditto.
875 (cgraph_recursive_inlining_p): Ditto.
876 (update_caller_keys): Change type of FAILED_REASON to
877 cgraph_inline_failed_t.
878 (cgraph_set_inline_failed): Change type of REASON to pointer to
879 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
880 convert enums to strings for text output.
881 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
882 to be of type cgraph_inline_failed_t. Replace reason strings with
883 enums. Call cgraph_inline_failed_string to covert enums
884 to strings for text output.
885 (cgraph_decide_inlining): Replace reason strings with enums.
886 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
887 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
889 * tree-inline.c (expand_call_inline): Change type of REASON
890 to cgraph_inline_failed_t. Replace reason strings with enums.
891 Call cgraph_inline_failed_string for text output.
892 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
895 2009-03-28 Jan Hubicka <jh@suse.cz>
897 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
898 cgraph_clone_node): Remove master clone handling.
899 (cgraph_is_master_clone, cgraph_master_clone): Remove.
900 * cgraph.h (master_clone): Remove.
901 (cgraph_is_master_clone, cgraph_master_clone): Remove.
902 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
903 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
905 2009-03-28 Jan Hubicka <jh@suse.cz>
907 * cgraph.c (cgraph_function_body_availability): Functions declared
908 inline are always safe to assume that it is not going to be replaced.
910 2009-03-28 Richard Guenther <rguenther@suse.de>
912 PR tree-optimization/38513
913 * tree-ssa-pre.c (eliminate): Remove redundant stores.
914 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
915 EXC_PTR_EXPR and FILTER_EXPR.
916 (get_ref_from_reference_ops): Likewise.
918 2009-03-28 Richard Guenther <rguenther@suse.de>
920 PR tree-optimization/38968
921 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
922 Use FLOOR_MOD_EXPR to compute misalignment.
924 2009-03-28 Richard Guenther <rguenther@suse.de>
926 PR tree-optimization/37795
927 * tree.h (combine_comparisons): Declare.
928 * fold-const.c (combine_comparisons): Export.
929 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
931 (ifcombine_iforif): Use combine_comparisons.
933 2009-03-28 Jan Hubicka <jh@suse.cz>
935 * tree-eh.c (inlinable_call_p): New function.
936 (make_eh_edges): Use it.
937 (verify_eh_edges): Use it.
938 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
939 * except.c (reachable_next_level): Add inlinable_function argument
940 (sjlj_find_directly_reachable_regions): Update.
941 (add_reachable_handler): Do not set saw_any_handlers.
942 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
943 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
944 Add new inlinable call parameter.
945 (can_throw_internal, can_throw_external): Update.
946 * except.h (can_throw_internal_1, can_throw_external_1,
947 foreach_reachable_handler): Update declaration.
949 2009-03-28 Joseph Myers <joseph@codesourcery.com>
951 * config/arm/t-arm-coff, config/h8300/coff.h,
952 config/i386/i386-aout.h, config/i386/i386-coff.h,
953 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
954 config/pdp11/2bsd.h, config/rs6000/aix41.h,
955 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
956 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
957 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
959 * Makefile.in: Remove protoize and fixproto support and references
961 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
962 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
964 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
965 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
967 (rest.encap): Don't depend on $(STMP_FIXPROTO)
968 (.PHONY): Don't depend on proto.
969 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
970 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
971 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
972 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
973 build/gen-protos.o, build/scan.o, xsys-protos.h,
974 build/fix-header$(build_exeext), build/fix-header.o,
975 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
976 stmp-install-fixproto): Remove.
977 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
978 SYSCALLS.c or fixproto files.
979 (install-common): Don't install protoize.
980 (install-headers-tar, install-headers-cpio, install-headers-cp):
981 Don't depend on $(STMP_FIXPROTO).
982 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
983 install fixproto files or write out fixproto settings.
984 (uninstall): Don't uninstall protoize.
985 * config.gcc (use_fixproto): Remove.
986 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
987 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
988 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
989 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
990 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
991 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
992 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
993 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
994 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
995 * config/t-vxworks (STMP_FIXPROTO): Remove.
996 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
997 STMP_FIXPROTO): Remove.
998 * config.in, configure: Regenerate.
999 * crtstuff.c (gid_t, uid_t): Don't undefine.
1000 * doc/install.texi: Change m68k-coff to m68k-elf in example.
1001 (arm-*-coff, arm-*-aout: Remove target entries.
1002 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
1003 Remove mention of AIX 4.1.
1004 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
1005 * doc/invoke.texi (Running Protoize): Remove.
1006 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
1007 (Protoize Caveats): Remove.
1008 * tsystem.h: Update comments on headers assumed to exist.
1010 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
1012 * genautomata.c: Add a new year to the copyright. Add a new
1014 (struct insn_reserv_decl): Add comments for member bypass_list.
1015 (find_bypass): Remove.
1016 (insert_bypass): New.
1017 (process_decls): Use insert_bypass.
1018 (output_internal_insn_latency_func): Output all bypasses with the
1019 same input insn in one switch case.
1021 * rtl.def (define_bypass): Describe bypass choice.
1022 * doc/md.texi (define_bypass): Ditto.
1024 2009-03-27 Richard Guenther <rguenther@suse.de>
1026 * gimplify.c (mark_addressable): Export.
1027 * tree-flow.h (mark_addressable): Declare.
1028 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
1029 * tree-ssa.c (verify_phi_args): Verify that address taken
1030 variables have TREE_ADDRESSABLE set.
1032 2009-03-27 Richard Guenther <rguenther@suse.de>
1034 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
1035 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
1036 Do not mark decls TREE_ADDRESSABLE.
1037 (build_fold_addr_expr): Adjust.
1038 (fold_addr_expr): Remove.
1039 (fold_unary): Use build_fold_addr_expr.
1040 (fold_comparison): Likewise.
1041 (split_address_to_core_and_offset): Likewise.
1042 * coverage.c (tree_coverage_counter_addr): Mark the array decl
1044 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
1045 (gimplify_modify_expr_to_memcpy): Mark source and destination
1047 * omp-low.c (create_omp_child_function): Mark the object decl
1049 (lower_rec_input_clauses): Mark the var we take the address of
1051 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
1053 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1056 * cfgexpand.c (expand_one_stack_var_at): Change alignment
1057 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
1059 2009-03-27 Richard Guenther <rguenther@suse.de>
1061 PR tree-optimization/39120
1062 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
1064 (handle_lhs_call): Process return constraints. Add escape
1065 constraints if necessary.
1066 (handle_const_call): Fill out return constraints. Make nested
1067 case more precise. Avoid consttmp if possible.
1068 (handle_pure_call): Fill out return constraints. Avoid
1069 callused if possible.
1070 (find_func_aliases): Simplify call handling.
1072 2009-03-27 Richard Guenther <rguenther@suse.de>
1074 PR tree-optimization/39120
1075 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
1076 as a representative.
1077 (solve_graph): Do propagate CALLUSED.
1078 (handle_pure_call): Use a scalar constraint from CALLUSED for
1080 (find_what_p_points_to): CALLUSED shall not appear in poins-to
1083 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1086 * c-common.c (handle_aligned_attribute): Properly check alignment
1087 overflow. Use (1U << i) instead of (1 << i).
1089 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
1091 * expr.h (get_mem_align_offset): Updated.
1093 * tree.h (tree_decl_common): Change align to "unsigned int" and
1094 move it before pointer_alias_set.
1096 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1097 Jakub Jelinek <jakub@redhat.com>
1100 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
1101 gr_register_operand with gr_reg_or_0_operand.
1102 (cmpxchg_rel_di): Likewise.
1103 (sync_lock_test_and_set<mode>): Likewise.
1105 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1107 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
1108 (true_regnum): Likewise.
1110 * rtlanal.c (subreg_info): Moved to ...
1111 * rtl.h (subreg_info): Here. New.
1112 (subreg_get_info): New.
1114 * rtlanal.c (subreg_get_info): Make it extern.
1116 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1119 * config/i386/i386.c (ix86_abi): New.
1120 (override_options): Handle -mabi=.
1121 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
1122 (ix86_call_abi_override): Likewise.
1123 (init_cumulative_args): Likewise.
1124 (function_arg_advance): Likewise.
1125 (function_arg_64): Likewise.
1126 (function_arg): Likewise.
1127 (ix86_pass_by_reference): Likewise.
1128 (ix86_function_value_regno_p): Likewise.
1129 (ix86_build_builtin_va_list_abi): Likewise.
1130 (setup_incoming_varargs_64): Likewise.
1131 (is_va_list_char_pointer): Likewise.
1132 (ix86_init_machine_status): Likewise.
1133 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
1134 (ix86_function_type_abi): Return enum calling_abi. Rewrite
1135 for 64bit. Replace DEFAULT_ABI with ix86_abi.
1136 (ix86_function_abi): Make it static and return enum calling_abi.
1137 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
1139 (ix86_fn_abi_va_list): Updated.
1141 * config/i386/i386.h (ix86_abi): New.
1142 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
1143 (CONDITIONAL_REGISTER_USAGE): Likewise.
1144 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
1145 (machine_function): Likewise.
1147 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
1149 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
1150 (STACK_BOUNDARY): Likewise.
1151 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
1153 * config/i386/i386.opt (mabi=): New.
1155 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
1156 return enum calling_abi.
1157 (ix86_function_type_abi): Likewise.
1158 (ix86_function_abi): Removed.
1160 * doc/invoke.texi: Document -mabi= option for x86.
1162 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1164 * builtins.c (real_dconstp): Delete.
1165 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
1167 2009-03-27 Dodji Seketeli <dodji@redhat.com>
1168 Jakub Jelinek <jakub@redhat.com>
1171 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
1172 (gen_subprogram_die): When a function is explicit, generate the
1173 DW_AT_explicit attribute.
1174 * langhooks.h (struct lang_hooks_for_decls): Add
1175 function_decl_explicit_p langhook.
1176 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
1177 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
1179 2009-03-27 Jakub Jelinek <jakub@redhat.com>
1181 * builtins.c (fold_builtin_memory_op): Optimize memmove
1182 into memcpy if we can prove source and destination don't overlap.
1184 * tree-inline.c: Include gt-tree-inline.h.
1185 (clone_fn_id_num): New variable.
1186 (clone_function_name): New function.
1187 (tree_function_versioning): Use it.
1188 * Makefile.in (GTFILES): Add tree-inline.c.
1190 2009-03-27 Mark Mitchell <mark@codesourcery.com>
1192 * BASE-VER: Change to 4.5.0.
1194 2009-03-27 Xinliang David Li <davidxl@google.com>
1196 PR tree-optimization/39557
1197 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
1199 2009-03-27 Xinliang David Li <davidxl@google.com>
1201 PR tree-optimization/39548
1202 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
1205 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1207 * c-common.c (pointer_int_sum): Use %wd on return from
1210 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1212 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
1213 on return from tree_low_cst.
1215 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
1218 * ginclude/stdarg.h (va_copy): Define also for
1219 __GXX_EXPERIMENTAL_CXX0X__.
1221 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1224 * builtins.h (c_strlen): Do not warn here.
1225 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
1226 * c-common.c (pointer_int_sum): Take an explicit location.
1227 Warn about offsets out of bounds.
1228 * c-common.h (pointer_int_sum): Adjust declaration.
1230 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1232 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
1235 2009-03-26 Jakub Jelinek <jakub@redhat.com>
1238 * opts.c (warn_if_disallowed_function_p): Don't assume
1239 get_callee_fndecl must return non-NULL.
1241 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
1243 PR rtl-optimization/39522
1244 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
1245 when reg_reloaded_valid is set.
1247 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1249 * config/spu/divv2df3.c: New file.
1250 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
1251 (DPBIT_FUNCS): Filter out _div_df.
1253 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
1255 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
1256 a jump insn, count that jump in the distance to the loop start.
1258 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
1261 * config/sh/sh.c (calc_live_regs): Fix condition for global
1262 registers except PIC_OFFSET_TABLE_REGNUM.
1264 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
1267 * doc/invoke.texi (-mconsole): New.
1271 (-mnop-fun-dllimport): New.
1275 (sub section "i386 and x86-64 Windows Options"): New.
1277 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
1279 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
1280 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
1282 2009-03-25 Richard Guenther <rguenther@suse.de>
1285 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
1288 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
1290 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
1291 neither of haifa/selective schedulers are working.
1293 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1295 * doc/invoke.texi (Debugging Options): Fix description of
1296 -fno-merge-debug-strings.
1298 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
1300 * config/cris/libgcc.ver: New version-script.
1301 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
1303 * configure.ac <GAS features, nop mnemonic>: Add pattern
1304 crisv32-*-* for "nop".
1305 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
1306 * configure: Regenerate.
1308 2009-03-24 Ira Rosen <irar@il.ibm.com>
1310 PR tree-optimization/39529
1311 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1312 mark_sym_for_renaming for the tag copied to the new vector
1315 2009-03-24 Arthur Loiret <aloiret@debian.org>
1317 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
1318 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
1319 EXTRA_SPEC_FUNCTIONS.
1320 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
1321 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
1322 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
1323 -march and -mtune options.
1325 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
1327 * config/m68k/t-rtems: Add m5329 multilib.
1329 2009-03-24 Dodji Seketeli <dodji@redhat.com>
1330 Jakub Jelinek <jakub@redhat.com>
1333 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
1336 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1339 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
1340 instead of c_parser_expression_conv, if original_code isn't one of the
1341 4 allowed comparison codes, fail.
1343 2009-03-23 Richard Guenther <rguenther@suse.de>
1345 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
1346 * tree.h (struct tree_type): Likewise.
1347 * reload.h (struct insn_chain): Likewise.
1348 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
1349 * function.h (struct function): Likewise.
1350 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
1352 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1354 PR tree-optimization/39516
1355 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
1357 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
1359 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
1360 should be set true if BITS_PER_WORD of target is bigger than 32
1362 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
1364 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
1365 Translate -B-options to -rpath-link. Correct existing
1366 rpath-link and conditionalize on !nostdlib.
1368 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1370 * doc/extend.texi (Function Attributes, Variable Attributes):
1372 * doc/invoke.texi (Debugging Options, Optimize Options)
1373 (i386 and x86-64 Options, MCore Options): Likewise.
1375 2009-03-20 Jakub Jelinek <jakub@redhat.com>
1378 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
1379 it for block local namespace aliases.
1380 (gen_decl_die): Pass context_die to gen_namespace_die.
1382 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1385 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
1386 minimum or maximum value.
1388 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
1390 * reginfo.c (globalize_reg): Recompute derived reg sets.
1392 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
1395 * libgcc2.c (mprotect): Do not use signed arguments for
1396 VirtualProtect, use DWORD arguments. Also fix the 'may
1397 be used uninitialized' warning for the np variable.
1399 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1402 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
1403 functions using regparm calling conventions when not optimizing.
1404 (ix86_function_sseregparm): Similarly for sseregparm calling
1407 2009-03-19 Li Feng <nemokingdom@gmail.com>
1410 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
1411 dependence if the first conflict is after niter iterations.
1413 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
1416 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
1417 functions with dynamic stack-pointer adjustments.
1419 2009-03-19 Ben Elliston <bje@au.ibm.com>
1421 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
1422 option; change to -msdata=data.
1424 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1426 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
1429 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
1432 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
1434 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
1436 * doc/invoke.texi (Code Gen Options): Expand discussion of
1439 2009-03-18 Jakub Jelinek <jakub@redhat.com>
1441 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
1442 * matrix-reorg.c (struct matrix_info): Likewise.
1443 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
1444 * rtl.h (struct mem_attrs): Likewise.
1445 * df.h (struct df): Likewise.
1446 * tree-data-ref.h (struct data_dependence_relation): Likewise.
1447 * ira-int.h (struct ira_allocno): Likewise.
1448 * df-scan.c (struct df_collection_rec): Likewise.
1449 * ira.c (struct equivalence): Likewise.
1450 * function.c (struct temp_slot): Likewise.
1451 * cfgloop.h (struct loop): Likewise.
1454 * function.c (use_register_for_decl): When not optimizing, disregard
1455 register keyword for variables with types containing methods.
1457 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
1460 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
1461 (is_simple_operand): Call contains_component_ref_p before calling data
1462 reference analysis that would fail on COMPONENT_REFs.
1464 * tree-vrp.c (search_for_addr_array): Fix formatting.
1466 2009-03-18 Richard Guenther <rguenther@suse.de>
1468 * tree-vect-transform.c (vect_loop_versioning): Fold the
1469 generated comparisons.
1470 * tree-vectorizer.c (set_prologue_iterations): Likewise.
1471 (slpeel_tree_peel_loop_to_edge): Likewise.
1473 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1476 * opts.c (print_specific_help): In addition to `undocumented',
1477 accept `separate' and `joined' flags if passed alone. Describe
1478 output by the first matched one of those.
1479 (common_handle_option): Skip over empty strings.
1480 * gcc.c (display_help): Fix help string for `--help='.
1481 * doc/invoke.texi (Option Summary, Overall Options): With
1482 `--help=', classes and qualifiers can both be repeated, but
1483 only the latter can be negated. One should not pass only
1484 negated qualifiers. Fix markup and examples.
1487 2008-10-14 Jakub Jelinek <jakub@redhat.com>
1489 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
1490 and -fhelp=separate.
1492 2009-03-17 Jing Yu <jingyu@google.com>
1495 * function.h (struct rtl_data): Move is_thunk from here...
1496 (struct function): ...to here.
1497 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
1498 * varasm.c (assemble_start_function): Change is_thunk from crtl to
1500 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
1502 (alpha_does_function_need_gp, alpha_start_function): Likewise.
1503 (alpha_output_function_end_prologue): Likewise.
1504 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
1505 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
1506 (rs6000_output_function_epilogue): Likewise.
1507 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
1509 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
1512 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
1513 from different units in a single alternative.
1514 (*truncdfsf_i387): Ditto.
1515 (*truncxfsf2_mixed): Ditto.
1516 (*truncxfdf2_mixed): Ditto.
1518 2009-03-17 Jakub Jelinek <jakub@redhat.com>
1520 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
1521 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
1524 * tree-ssa-live.c (remove_unused_locals): Don't remove local
1525 unused non-artificial variables when not optimizing.
1528 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
1529 DW_TAG_imported_module even if decl is IMPORTED_DECL with
1530 NAMESPACE_DECL in its DECL_INITIAL.
1533 * optabs.c (set_user_assembler_libfunc): New function.
1534 * expr.h (set_user_assembler_libfunc): New prototype.
1535 * c-common.c: Include libfuncs.h.
1536 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
1537 for memcmp, memset, memcpy, memmove and abort.
1538 * Makefile.in (c-common.o): Depend on libfuncs.h.
1541 * dwarf2out.c (gen_inlined_enumeration_type_die,
1542 gen_inlined_structure_type_die, gen_inlined_union_type_die,
1543 gen_tagged_type_instantiation_die): Removed.
1544 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
1547 2009-03-17 Janis Johnson <janis187@us.ibm.com>
1550 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
1552 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
1553 (check-parallel-%): Ditto.
1554 (check-consistency): Ditto.
1556 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
1558 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
1559 local variable rhs by NULL_TREE.
1561 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1564 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
1566 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1569 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
1571 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1574 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
1575 for ms->sysv ABI calls only in 64bit mode.
1577 * config/i386/i386.md (untyped_call): Support 32bit.
1579 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
1581 * doc/extend.texi: Replace x86_65 with x86_64.
1583 2009-03-16 Jakub Jelinek <jakub@redhat.com>
1585 PR tree-optimization/39455
1586 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
1587 mismatches for POINTER_TYPE_P (type).
1588 (number_of_iterations_le): Likewise.
1590 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1592 * config/picochip/picochip.c: Removed profiling support.
1593 * config/picochip/picochip.md: Removed profiling instruction.
1594 * config/picochip/picochip.h: Removed profiling builtin.
1596 2009-03-16 Joseph Myers <joseph@codesourcery.com>
1598 * doc/install.texi (--with-host-libstdcxx): Document.
1600 2009-03-14 Anatoly Sokolov <aesok@post.ru>
1603 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
1604 generate a warning if the function name does not begin with
1605 "__vector" and the function has either the 'signal' or 'interrupt'
1606 attribute, from here to ...
1607 (avr_declare_function_name): ...here. New function.
1608 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
1609 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
1611 2009-03-14 Jakub Jelinek <jakub@redhat.com>
1614 * cse.c (fold_rtx): Don't modify original const_arg1 when
1615 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
1616 separate variable instead.
1617 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
1618 from out of range shift counts.
1619 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
1621 2008-03-13 Catherine Moore <clm@codesourcery.com>
1623 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
1624 diagnostic.h with $(DIAGNOSTIC_H).
1626 2008-03-12 Jakub Jelinek <jakub@redhat.com>
1629 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
1631 * config/i386/sync.md (sync_compare_and_swap<mode>,
1632 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
1633 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
1635 (sync_double_compare_and_swapdi_pic,
1636 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
1637 cmpxchg8b_pic_memory_operand instead of just memory_operand.
1639 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1642 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
1644 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1647 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1648 (avx_addsubv4df3): Likewise.
1649 (*avx_addsubv4sf3): Likewise.
1650 (sse3_addsubv4sf3): Likewise.
1652 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1655 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
1657 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
1660 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
1661 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
1662 registers for allocnos created from user-defined variables.
1664 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1667 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
1668 of non-integer mode as well.
1670 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
1672 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
1673 for functions for which the parameter types are unknown.
1675 2009-03-11 Jakub Jelinek <jakub@redhat.com>
1678 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
1679 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
1680 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
1681 * config/i386/i386.c (ix86_local_alignment): For
1682 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
1683 long long variables on the stack to avoid dynamic realignment.
1684 Allow the first argument to be a decl rather than type.
1685 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
1687 2009-03-11 Nick Clifton <nickc@redhat.com>
1690 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
1692 Add description to mno-lsim option.
1693 * config/mcore/mcore.h: Remove comment about deprecated m4align
1695 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
1696 * doc/invoke.texi: Add description of mno-lsim and
1697 mstack-increment options.
1699 * config/fr30/fr30.opt: Document the -mno-lsim option.
1700 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
1701 and -mno-lsim options.
1703 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1705 * fold-const.c (fold_comparison): Only call fold_inf_compare
1706 if the mode supports infinities.
1708 2009-03-11 Jason Merrill <jason@redhat.com>
1711 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
1712 end already did. Notice GIMPLE_CALL modifications of the result.
1713 Don't copy debug information from an ignored decl or a decl from
1716 2009-03-10 Richard Guenther <rguenther@suse.de>
1717 Nathan Froyd <froydnj@codesourcery.com>
1720 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
1721 (__divMODE3): Likewise.
1723 2009-03-09 Jakub Jelinek <jakub@redhat.com>
1725 PR tree-optimization/39394
1726 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
1727 DECL_SIZE_UNIT of variable length FIELD_DECLs.
1729 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1731 * recog.c (verfiy_changes): Disallow renaming of hard regs in
1732 inline asms for register asm ("") declarations.
1734 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
1736 * fold-const.c (fold_unary): Fix comment.
1738 2009-03-07 Jan Hubicka <jh@suse.cz>
1741 * tree-inline.c (setup_one_parameter): Do replacement of const
1742 argument by constant in SSA form.
1744 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1747 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
1748 determine alignment passed to assign_stack_local.
1749 (assign_parms_unsplit_complex): Likewise.
1750 * except.c (sjlj_build_landing_pads): Likewise.
1752 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1755 * tree-flow.h (add_referenced_var): Return bool instead of void.
1756 * tree-dfa.c (add_referenced_var): Return result of
1757 referenced_var_check_and_insert call.
1758 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
1759 of referenced_var_check_and_insert.
1762 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
1763 (gen_variable_die): Emit DW_AT_location on abstract static variable's
1764 DIE, don't emit it if abstract origin already has it.
1765 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
1766 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
1768 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1770 * genpreds.c (needs_variable): Fix parentheses at variable name
1772 (write_tm_constrs_h): Indent generated code.
1774 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1776 * doc/extend.texi (Function Attributes): Add documentation
1779 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1782 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
1783 take locus from its DECL_SOURCE_LOCATION instead of input_location.
1785 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
1787 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
1790 2009-03-05 Jakub Jelinek <jakub@redhat.com>
1793 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
1794 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
1796 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
1798 * config/i386/i386.md (R8_REG, R9_REG): New constants.
1799 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
1800 constants instead of magic numbers.
1801 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
1803 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
1804 (x86_64_ms_abi_int_parameter_registers): Ditto.
1805 (x86_64_int_return_registers): Ditto.
1806 (ix86_maybe_switch_abi): Ditto.
1807 (ix86_expand_call): Ditto for clobbered_registers array.
1808 (ix86_hard_regno_mode_ok): Ditto.
1809 (x86_extended_QIreg_mentioned_p): Ditto.
1811 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
1813 PR tree-optimization/39349
1814 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
1816 * combine.c (gen_lowpart_for_combine): Use omode when generating
1819 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
1821 PR rtl-optimization/39235
1822 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
1824 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1826 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
1828 2009-03-04 Richard Guenther <rguenther@suse.de>
1830 PR tree-optimization/39362
1831 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
1832 that occur in abnormal PHIs should be varying.
1834 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1836 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
1838 (simple_iv): Take loop as an argument instead of statement.
1839 * tree-scalar-evolution.h (simple_iv): Declaration changed.
1840 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
1842 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
1844 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
1845 * matrix-reorg.c (analyze_transpose): Ditto.
1846 * tree-data-ref.c (dr_analyze_innermost): Ditto.
1847 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
1848 * tree-predcom.c (ref_at_iteration): Ditto.
1849 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
1851 2009-03-04 Richard Guenther <rguenther@suse.de>
1853 PR tree-optimization/39358
1854 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
1855 escaped_id and callused_id.
1856 (solve_graph): Likewise.
1858 2009-03-04 Richard Guenther <rguenther@suse.de>
1860 PR tree-optimization/39339
1861 * tree-sra.c (try_instantiate_multiple_fields): Make it
1862 no longer ICE on the above.
1864 2009-03-03 Joseph Myers <joseph@codesourcery.com>
1866 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
1867 that fits within Pmode.
1869 2009-03-03 Steve Ellcey <sje@cup.hp.com>
1872 * tm.texi (LIBCALL_VALUE): Update description.
1874 2009-03-03 Steve Ellcey <sje@cup.hp.com>
1877 * doc/extend.texi (section): Update description.
1879 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
1882 * tree-inline.c (remapped_type): New.
1883 (can_be_nonlocal): Call remapped_type instead of remap_type.
1885 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1888 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
1889 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
1891 2009-03-03 Richard Guenther <rguenther@suse.de>
1894 * tree.c (tree_nonartificial_location): New function.
1895 * tree.h (tree_nonartificial_location): Declare.
1896 * builtins.c (expand_builtin_memory_chk): Provide location
1897 of the call location for artificial function pieces.
1898 (maybe_emit_chk_warning): Likewise.
1899 (maybe_emit_sprintf_chk_warning): Likewise.
1900 (maybe_emit_free_warning): Likewise.
1901 * expr.c (expand_expr_real_1): Likewise.
1903 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1905 PR tree-optimization/39343
1906 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
1907 COMPONENT_REF t has ARRAY_TYPE.
1909 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
1912 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
1913 when the type precision of the induction variable should be
1914 larger than the type precision of nit.
1915 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
1916 * graphite.c (graphite_loop_normal_form): Same.
1917 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
1919 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1921 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
1922 (*call_1_rex64_ms_sysv): Use named constants instead of magic
1923 numbers to describe clobbered registers.
1924 (*call_value_0_rex64_ms_sysv): Ditto.
1925 * config/i386/mmx.md (mmx_emms): Ditto.
1928 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
1930 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
1933 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1935 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
1936 (spu_section_type_flags): New function.
1938 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1940 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
1941 reg_class_contents of FLOAT_REGS into a temporary.
1943 2009-03-02 Richard Guenther <rguenther@suse.de>
1944 Ira Rosen <irar@il.ibm.com>
1946 PR tree-optimization/39318
1947 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
1948 information to the vectorized statement.
1950 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
1952 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
1953 variable. Use defined names instead of magic constants for REX SSE
1956 2009-03-01 Richard Guenther <rguenther@suse.de>
1958 PR tree-optimization/39331
1959 * omp-low.c (lower_send_shared_vars): Do not receive new
1960 values for the reference of DECL_BY_REFERENCE parms or results.
1962 2009-03-01 Jan Hubicka <jh@suse.cz>
1965 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
1966 BLOCK_NONLOCALIZED_VAR): New macros.
1967 (tree_block): Add nonlocalized_vars.
1968 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
1969 gen_decl_die): Add origin argument. Allow generation of die with
1970 origin at hand only.
1971 (gen_member_die, gen_type_die_with_usage, force_decl_die,
1972 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
1974 (gen_block_die): Fix checking for unused blocks.
1975 (process_scope_var): Break out from .... ; work with origins only.
1976 (decls_for_scope) ... here; process nonlocalized list.
1977 (dwarf2out_ignore_block): Look for nonlocalized vars.
1978 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
1980 (dump_scope_block): Dump them.
1981 * tree-inline.c (remap_decls): Handle nonlocalized vars.
1982 (remap_block): Likewise.
1983 (can_be_nonlocal): New predicate.
1984 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
1986 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1988 * configure: Regenerate.
1990 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1992 * optc-gen.awk: No need to duplicate option flags twice.
1993 Reuse help texts for duplicate options which do not have any.
1995 * gcc.c (display_help): Document --version.
1997 * gcc.c (main): If print_help_list and verbose_flag, ensure
1998 driver output comes before subprocess output.
2000 * optc-gen.awk: Assign all remaining fields to help string,
2001 space-separated, for multi-line help in *.opt.
2003 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
2004 -Wno-pedantic-ms-format is for MinGW targets only.
2006 * doc/options.texi (Option file format): Fix bad indentation,
2007 restoring dropped sentence.
2009 2009-02-28 Jan Hubicka <jh@suse.cz>
2011 * tree-inline.c (tree_function_versioning): Output debug info.
2013 2009-02-28 Jan Hubicka <jh@suse.cz>
2016 * tree-inline.c (setup_one_parameter): Do not copy propagate
2017 arguments when not optimizing.
2019 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
2022 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2023 (avx_addsubv4df3): Likewise.
2024 (*avx_addsubv4sf3): Likewise.
2025 (sse3_addsubv4sf3): Likewise.
2026 (*avx_addsubv2df3): Likewise.
2027 (sse3_addsubv2df3): Likewise.
2028 (avx_unpckhps256): Correct item selectors.
2029 (avx_unpcklps256): Likewise.
2030 (avx_unpckhpd256): Likewise.
2031 (avx_unpcklpd256): Likewise.
2033 2009-02-28 Jan Hubicka <jh@suse.cz>
2035 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
2037 (copy_arguments_for_versioning): If var is declared don't declare it.
2038 (tree_function_versioning): First setup substitutions and then copy
2041 2009-02-27 Jan Hubicka <jh@suse.cz>
2044 * cgraph.h (varpool_output_debug_info): Remove.
2045 * cgraphunit.c (varpool_output_debug_info): Remove.
2046 * dwarf2out.c (deferred_locations_struct): New struct
2047 (deferred_locations): New type.
2048 (deferred_locations_list): New static var.
2049 (deffer_location): New function.
2050 (gen_variable_die): Use it.
2051 (decls_for_scope): Output info on local static vars.
2052 (dwarf2out_finish): Process deferred locations.
2053 * varpool.c (varpool_output_debug_info): Remove.
2055 2009-02-27 Jan Hubicka <jh@suse.cz>
2058 * tree.h (TREE_PROTECTED): Fix comment.
2059 (BLOCK_HANDLER_BLOCK): Remove.
2060 (struct tree_block): Remove handler_block add body_block.
2061 (inlined_function_outer_scope_p): New.
2062 (is_body_block): Remove.
2063 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
2064 * dwarf2out.c (is_inlined_entry_point): Remove.
2065 (add_high_low_attributes): Use inlined_function_outer_scope_p.
2066 (gen_block_die): Use is_inlined_entry_point check. Remove body block
2068 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
2069 * gimplify.c (gimplify_expr): Gimplify body blocks.
2070 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
2071 block with multiple subblocks.
2072 (dump_scope_block): Prettier output; dump more flags and info.
2073 (dump_scope_blocks): New.
2074 (remove_unused_locals): Use dump_scope_blocks.
2075 * tree-flow.h (dump_scope_blocks): Declare.
2076 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
2077 * stmt.c (is_body_block): Remove.
2078 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
2079 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
2081 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
2084 * graphite.c (graphite_loop_normal_form): Do not call
2085 number_of_iterations_exit from a gcc_assert.
2087 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2089 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
2090 jumps if COND is NULL.
2091 (find_cond_jump): New function.
2092 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
2093 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
2095 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
2097 * config/alpha/alpha.h (alpha_expand_mov): Return false if
2098 force_const_mem returns NULL_RTX.
2100 2009-02-26 Jan Hubicka <jh@suse.cz>
2103 * cgraph.h (varpool_output_debug_info): Remove.
2104 * cgraphunit.c (varpool_output_debug_info): Remove.
2105 * dwarf2out.c (deferred_locations_struct): New struct
2106 (deferred_locations): New type.
2107 (deferred_locations_list): New static var.
2108 (deffer_location): New function.
2109 (gen_variable_die): Use it.
2110 (decls_for_scope): Output info on local static vars.
2111 (dwarf2out_finish): Process deferred locations.
2112 * varpool.c (varpool_output_debug_info): Remove.
2114 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
2116 PR rtl-optimization/39241
2117 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
2118 to subreg_offset_representable_p.
2120 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2122 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
2123 execute function prototype. Get f and nregs from max_reg_num
2124 and get_insns. Remove the first backward pass as it's dead,
2125 guard the forward pass by flag_expensive_optimizations.
2126 (rest_of_handle_regmove): Delete.
2127 (pass_regmove): Replace it with regmove_optimize.
2129 2009-02-25 Martin Jambor <mjambor@suse.cz>
2131 PR tree-optimization/39259
2132 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
2133 calls_alloca function flags.
2134 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
2137 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2139 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
2140 flags_set_1_rtx, flags_set_1_set): Delete.
2141 (regmove_optimize): Do not call mark_flags_life_zones.
2143 2009-02-24 Julian Brown <julian@codesourcery.com>
2146 * config/arm/arm.c (require_pic_register): Only set
2147 cfun->machine->pic_reg once per function.
2149 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
2151 * doc/invoke.texi (Link Options): Document an easier way to pass
2152 options that take arguments to the GNU linker using -Xlinker and -Wl.
2154 2009-02-24 Steve Ellcey <sje@cup.hp.com>
2157 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
2159 2009-02-24 Richard Guenther <rguenther@suse.de>
2162 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
2164 2009-02-24 Richard Guenther <rguenther@suse.de>
2165 Zdenek Dvorak <ook@ucw.cz>
2167 PR tree-optimization/39233
2168 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
2169 from converting them to a generic type.
2171 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
2173 PR tree-optimization/39260
2174 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
2175 contains a condition with a real type.
2176 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
2178 2009-02-23 Jason Merrill <jason@redhat.com>
2181 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
2182 narrowing_initializer_constant_valid_p.
2183 (narrowing_initializer_constant_valid_p): Don't return
2184 null_pointer_node for adding a pointer to itself.
2186 2009-02-23 Jan Hubicka <jh@suse.cz>
2189 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
2192 2009-02-23 Jan Hubicka <jh@suse.cz>
2194 PR tree-optimization/37709
2195 * tree.c (block_ultimate_origin): Move here from dwarf2out.
2196 * tree.h (block_ultimate_origin): Declare.
2197 * dwarf2out.c (block_ultimate_origin): Move to tree.c
2198 * tree-ssa-live.c (remove_unused_scope_block_p):
2199 Eliminate blocks containig no instructions nor live variables nor
2201 (dump_scope_block): New function.
2202 (remove_unused_locals): Enable removal of dead blocks by default;
2203 enable dumping at TDF_DETAILS.
2205 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2207 * config/i386/i386.c (classify_argument): Don't allow COImode
2209 (function_arg_advance_32): Don't allow OImode.
2210 (function_arg_32): Likewise.
2211 (function_value_32): Likewise.
2212 (return_in_memory_32): Likewise.
2213 (function_arg_64): Remove OImode comment.
2215 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2218 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
2219 ix86_expand_vector_set for V4DImode in 64bit mode only.
2220 (ix86_expand_vector_init_one_var): Likewise.
2222 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
2224 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
2226 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2229 * loop-iv.c: Revert last change.
2230 * emit-rtl.c: Likewise.
2232 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2235 * config/i386/i386.c (type_natural_mode): Remove an extra
2236 space in the warning message.
2237 (function_value_32): Handle 32-byte vector modes.
2238 (return_in_memory_32): Likewise.
2240 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2242 * loop-iv.c (truncate_value): New function.
2243 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
2245 (lowpart_subreg): Move to...
2246 * emit-rtl.c: ...here.
2248 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
2250 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
2251 accidental and undocumented change at revision 140860.
2253 2009-02-21 Joseph Myers <joseph@codesourcery.com>
2255 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
2256 take gimple_seq * arguments.
2257 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
2258 types_compatible_p langhook.
2260 2009-02-20 Mark Mitchell <mark@codesourcery.com>
2261 Joseph Myers <joseph@codesourcery.com>
2263 * config/arm/arm.c (arm_builtin_va_list): New function.
2264 (arm_expand_builtin_va_start): Likewise.
2265 (arm_gimplify_va_arg_expr): Likewise.
2266 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
2267 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
2268 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
2269 (va_list_type): New variable.
2270 (arm_mangle_type): Mangle va_list_type appropriately.
2272 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2275 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
2276 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
2277 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
2278 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
2279 parameter to 1000 for -O1 by default.
2280 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
2282 * loop-invariant.c: Include params.h.
2283 (move_loop_invariants): Don't call move_single_loop_invariants on
2286 2009-02-20 Jaka Mocnik <jaka@xlab.si>
2288 * calls.c (emit_library_call_value_1): Use slot_offset instead of
2289 offset when calculating bounds for indexing stack_usage_map. Fixes
2290 a buffer overflow with certain target setups.
2292 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2295 * calls.c (expand_call): Clear try_tail_call if caller and callee
2296 disagree in promotion of function return value.
2298 2009-02-19 Jakub Jelinek <jakub@redhat.com>
2301 * c-common.c (c_determine_visibility): If visibility changed and
2302 DECL_RTL has been already set, call make_decl_rtl to update symbol
2305 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
2308 * varasm.c (assemble_variable): Don't check DECL_NAME when
2309 globalizing a variable.
2311 2009-02-19 Joseph Myers <joseph@codesourcery.com>
2314 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
2315 expression before any __builtin_trap call.
2316 * c-typeck.c (build_function_call): Convert and check function
2317 arguments before generating a call to a trap. Evaluate the
2318 function arguments before the trap.
2320 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
2323 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
2324 (UNSPEC_FXAM_MEM): New unspec.
2325 (fxam<mode>2_i387_with_temp): New insn and split pattern.
2326 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
2327 memory using fxam<mode>2_i387_with_temp to remove excess precision.
2329 2009-02-19 Richard Guenther <rguenther@suse.de>
2331 PR tree-optimization/39207
2332 PR tree-optimization/39074
2333 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
2334 storedanything_tree): New.
2335 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
2336 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
2337 (build_succ_graph): Add edges from STOREDANYTHING to all
2339 (init_base_vars): Initialize STOREDANYTHING.
2340 (compute_points_to_sets): Free substitution info after
2341 building the succ graph.
2342 (ipa_pta_execute): Likewise.
2344 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
2346 (do_ds_constraint): Do not add to special var or non-pointer
2348 (type_could_have_pointers): Split out from ...
2349 (could_have_pointers): ... here. For arrays use the element type.
2350 (create_variable_info_for): Initialize may_have_pointers.
2351 (new_var_info): Likewise.
2352 (handle_lhs_call): Make the HEAP variable unknown-sized.
2353 (intra_create_variable_infos): Use a type with pointers for
2354 PARM_NOALIAS, make it unknown-sized.
2356 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
2359 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
2361 2009-02-18 Jason Merrill <jason@redhat.com>
2364 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
2365 value if DECL_EXTERNAL.
2366 * tree-sra.c (sra_walk_gimple_assign): Likewise.
2367 * target.h (gcc_target::binds_local_p): Clarify "module".
2368 * tree.h (TREE_PUBLIC): Clarify "module".
2370 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
2373 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
2374 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
2376 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
2379 * c.opt (Wabi): Support C and ObjC.
2382 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
2384 * config/i386/i386.c (classify_argument): Warn once about the ABI
2385 change when passing union with long double.
2387 * doc/invoke.texi: Update -Wabi for warning psABI changes.
2389 2009-02-18 Joseph Myers <joseph@codesourcery.com>
2392 * c-parser.c (c_parser_compound_statement): Always enter and leave
2395 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2398 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
2400 2009-02-18 Jakub Jelinek <jakub@redhat.com>
2402 PR tree-optimization/36922
2403 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
2404 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
2407 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2409 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
2412 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2414 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
2416 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2418 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
2421 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
2422 Richard Sandiford <rdsandiford@googlemail.com>
2424 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
2425 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
2426 (loongson_biadd): ...this.
2428 2009-02-17 Richard Guenther <rguenther@suse.de>
2430 PR tree-optimization/39202
2431 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
2432 a var make sure to follow existing collapses.
2434 2009-02-17 Richard Guenther <rguenther@suse.de>
2437 * langhooks.c (lhd_print_error_function): Check for NULL block.
2439 2009-02-17 Richard Guenther <rguenther@suse.de>
2441 PR tree-optimization/39204
2442 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
2445 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
2447 * config/soft-fp/double.h: Update from glibc CVS.
2449 2009-02-17 Richard Guenther <rguenther@suse.de>
2451 PR tree-optimization/39207
2452 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
2453 strict-aliasing warnings for pointers pointing to NULL.
2455 2009-02-16 Joseph Myers <joseph@codesourcery.com>
2458 * c-parser.c (c_parser_braced_init): Call pop_init_level when
2459 skipping until next close brace.
2461 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
2464 * config/i386/i386.c (ix86_expand_push): Set memory alignment
2465 to function argument boundary.
2467 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2469 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
2470 in the lea_add. Reload eventually constraints it properly.
2471 * config/picochip/constraints.md : Remove the target constraint
2472 "b", since it is not needed anymore.
2474 2009-02-16 Jakub Jelinek <jakub@redhat.com>
2476 * gthr-dce.h: Uglify function parameter and local variable names.
2477 * gthr-gnat.h: Likewise.
2478 * gthr-mipssde.h: Likewise.
2479 * gthr-nks.h: Likewise.
2480 * gthr-posix95.h: Likewise.
2481 * gthr-posix.h: Likewise.
2482 * gthr-rtems.h: Likewise.
2483 * gthr-single.h: Likewise.
2484 * gthr-solaris.h: Likewise.
2485 * gthr-tpf.h: Likewise.
2486 * gthr-vxworks.h: Likewise.
2487 * gthr-win32.h: Likewise.
2489 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
2492 * config/i386/i386.md: Restrict the new peephole2 to move
2493 between MMX/SSE registers.
2495 2009-02-15 Richard Guenther <rguenther@suse.de>
2498 2009-02-13 Richard Guenther <rguenther@suse.de>
2500 * configure.ac: Enable LFS.
2501 * configure: Re-generate.
2502 * config.in: Likewise.
2504 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2506 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
2507 spu_srqwbyte, spu_srqwbytebc): Define.
2508 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
2509 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
2510 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
2511 "shrqby_<mode>"): New insn-and-split patterns.
2512 * config/spu/spu.c (expand_builtin_args): Determine and return
2513 number of operands using spu_builtin_description data.
2514 (spu_expand_builtin_1): Use it.
2516 2009-02-13 Steve Ellcey <sje@cup.hp.com>
2519 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
2522 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2525 * config/i386/i386.c (override_options): Correct warning
2526 messages for -malign-loops, -malign-jumps and -malign-functions.
2528 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2531 * config/i386/i386.md: Restrict the new peephole2 to move
2532 between the general purpose registers.
2534 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2537 * config/i386/i386.c (type_natural_mode): Add a new argument.
2538 Return the original mode and warn ABI change if vector size is 32byte.
2539 (function_arg_advance): Updated.
2540 (function_arg): Likewise.
2541 (ix86_function_value): Likewise.
2542 (ix86_return_in_memory): Likewise.
2543 (ix86_sol10_return_in_memory): Likewise.
2544 (ix86_gimplify_va_arg): Likewise.
2545 (function_arg_32): Don't warn ABX ABI change here.
2546 (function_arg_64): Likewise.
2548 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
2550 * loop-iv.c (implies_p): In the final case, test that operands 0
2551 of the two comparisons match.
2553 * config/bfin/bfin.c (find_prev_insn_start): New function.
2554 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
2555 (find_next_insn_start): Move.
2557 2009-02-13 Richard Guenther <rguenther@suse.de>
2559 * configure.ac: Enable LFS.
2560 * configure: Re-generate.
2561 * config.in: Likewise.
2563 2009-02-13 Joseph Myers <joseph@codesourcery.com>
2566 * c-parser.c (c_parser_parms_list_declarator): Discard pending
2567 sizes on syntax error after some arguments have been parsed.
2569 2009-02-12 Jakub Jelinek <jakub@redhat.com>
2571 * doc/invoke.texi (-fira): Remove.
2573 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2575 * caller-save.c: Replace regclass.c with reginfo.c in comments.
2576 * recog.c: Likewise.
2579 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
2581 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
2582 (umul_ppmm): Likewise.
2583 (count_leading_zeros): Likewise.
2584 (count_trailing_zeros): Likewise.
2585 (UMUL_TIME): Likewise.
2587 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2589 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
2590 soft-fp/t-softfp to tmake_file.
2592 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
2593 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
2594 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
2595 IA64_BUILTIN_INFQ]: New.
2596 (ia64_init_builtins): Initialize __builtin_infq,
2597 __builtin_fabsq and __builtin_copysignq if not HPUX.
2598 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
2599 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
2601 * config/ia64/lib1funcs.asm (__divtf3): Define only if
2603 (__fixtfti): Likewise.
2604 (__fixunstfti): Likewise.
2605 (__floattitf): Likewise.
2607 * config/ia64/libgcc-glibc.ver: New.
2608 * config/ia64/t-fprules-softfp: Likewise.
2609 * config/ia64/sfp-machine.h: Likewise.
2611 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
2612 (LIBGCC2_TF_CEXT): Likewise.
2613 (TF_SIZE): Likewise.
2614 (TARGET_INIT_LIBFUNCS): Likewise.
2616 * config/ia64/t-glibc (SHLINB_MAPFILES):
2617 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
2619 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2621 * config/i386/i386.c (construct_container): Rewrite processing
2622 BLKmode with X86_64_SSE_CLASS.
2624 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
2627 * config/i386/i386.md: Replace simplify_replace_rtx with
2628 replace_rtx in the new peephole2.
2630 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
2632 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
2633 loop unrolling do not happen at -O2.
2635 2009-02-12 Michael Matz <matz@suse.de>
2637 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
2639 2009-02-12 Jakub Jelinek <jakub@redhat.com>
2641 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
2644 2009-02-12 Ben Elliston <bje@au.ibm.com>
2646 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
2647 patterns when updating the back chain. Missed in the 2009-02-10
2650 2009-02-11 Janis Johnson <janis187@us.ibm.com>
2652 * doc/extend.texi (Decimal Floating Types): Update identifier of
2653 draft TR and list of missing support.
2655 2009-02-11 Jakub Jelinek <jakub@redhat.com>
2658 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
2659 bit to variable length decl's flags, add it also to its
2660 pointer replacement variable.
2662 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
2663 Jakub Jelinek <jakub@redhat.com>
2666 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
2667 (memory_blockage): New expander.
2668 (*memory_blockage): New insn pattern.
2669 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
2670 instead of general blockage at the end of function prologue when
2671 frame pointer is used to access red zone area. Do not emit blockage
2672 when profiling, it is emitted in generic code.
2673 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
2674 function epilogue when frame pointer is used to access red zone area.
2676 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
2679 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
2680 by arithmetic with memory operands.
2681 * config/i386/predicates.md (commutative_operator): New.
2683 2009-02-10 Janis Johnson <janis187@us.ibm.com>
2685 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
2688 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
2690 * alias.h (record_alias_subset): Declare.
2691 * alias.c (record_alias_subset): Make global.
2693 2009-02-10 Nick Clifton <nickc@redhat.com>
2695 * tree-parloops.c: Change license to GPLv3.
2696 * ipa-struct-reorg.c: Change license to GPLv3.
2697 * ipa-struct-reorg.h: Change license to GPLv3.
2699 2009-02-10 Steve Ellcey <sje@cup.hp.com>
2702 * c-decl.c (start_struct): Return NULL on error.
2704 2009-02-10 Jakub Jelinek <jakub@redhat.com>
2707 * cfgloopmanip.c (remove_path): Call remove_bbs after
2708 cancel_loop_tree, not before it.
2711 * function.h (struct function): Add has_local_explicit_reg_vars bit.
2712 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
2713 VAR_DECLs were seen.
2714 * tree-ssa-live.c (remove_unused_locals): Recompute
2715 cfun->has_local_explicit_reg_vars.
2716 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
2717 copies or clearings if cfun->has_local_explicit_reg_vars.
2719 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
2722 * config/i386/i386.c (expand_prologue): Emit blockage at the end
2723 of function prologue when frame pointer is used to access
2726 2009-02-10 Richard Guenther <rguenther@suse.de>
2729 * gimplify.c (gimple_regimplify_operands): Always look if
2730 we need to create a temporary.
2732 2009-02-10 Richard Guenther <rguenther@suse.de>
2734 PR tree-optimization/39132
2735 * tree-loop-distribution.c (todo): New global var.
2736 (generate_memset_zero): Trigger TODO_rebuild_alias.
2737 (tree_loop_distribution): Return todo.
2739 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
2742 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
2743 (x86_64_reg_class_name): Removed.
2744 (classify_argument): Return 0 if bytes > 32. Return 0 if the
2745 first one isn't X86_64_SSE_CLASS or any other ones aren't
2746 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
2747 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
2748 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
2749 and 3 X86_64_SSEUP_CLASS.
2750 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
2751 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
2753 2009-02-10 Ben Elliston <bje@au.ibm.com>
2755 * config/rs6000/rs6000.md (allocate_stack): Always use an update
2756 form instruction to update the stack back chain word, even if the
2757 user has disabled the generation of update instructions.
2758 (movdi_<mode>_update_stack): New.
2759 (movsi_update_stack): Likewise.
2760 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
2761 always use an update form instruction to update the stack back
2764 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
2767 * graphite.c (if_region_set_false_region): After moving a region in
2768 the false branch of a condition, remove the empty dummy basic block.
2769 (gloog): Remove wrong fix for PR38953.
2771 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2773 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
2774 generation due to implicit sign extension.
2776 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
2779 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
2780 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
2782 2009-02-09 Richard Guenther <rguenther@suse.de>
2785 * convert.c (convert_to_real): Disable (float)fn((double)x)
2786 to fnf(x) conversion if errno differences may occur and
2787 -fmath-errno is set.
2789 2009-02-07 Anatoly Sokolov <aesok@post.ru>
2791 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
2792 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2793 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2795 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2798 * c-common.c (handle_alias_attribute): Disallow attribute for
2799 anything not a FUNCTION_DECL or VAR_DECL.
2801 2009-02-06 Janis Johnson <janis187@us.ibm.com>
2804 * real.c (do_compare): Special-case compare of zero against
2805 decimal float value.
2807 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2810 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
2811 as indicating flexible array members unless the field itself is
2812 being declarared as the incomplete array.
2814 2009-02-06 Jan Hubicka <jh@suse.cz>
2816 PR tree-optimization/38844
2817 * ipa-inline.c (try_inline): Stop inlining recursion when edge
2820 2009-02-06 Richard Guenther <rguenther@suse.de>
2823 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
2824 fork because we may expand it as __gcov_fork.
2826 2009-02-06 Nick Clifton <nickc@redhat.com>
2828 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
2830 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
2832 PR tree-optimization/35659
2833 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
2834 vn_phi_eq): Shortcut if hashcode does not match.
2835 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
2837 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
2838 and avoid iterative_hash_expr.
2839 (FOR_EACH_VALUE_ID_IN_SET): New.
2840 (value_id_compare): Remove.
2841 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
2842 sort expressions by value id.
2844 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
2847 * config/sh/predicates.md (general_movsrc_operand): Don't check
2848 the subreg of system registers here.
2850 2009-02-05 Jakub Jelinek <jakub@redhat.com>
2853 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
2856 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
2858 PR rtl-optimization/39110
2859 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
2860 addresses, not aligned ones.
2862 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
2863 Richard Guenther <rguenther@suse.de>
2865 PR tree-optimization/39100
2866 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
2867 comment says and add edges.
2869 2009-02-05 Joseph Myers <joseph@codesourcery.com>
2872 * c-common.c (handle_tls_model_attribute): Ignore attribute for
2873 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
2875 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
2877 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
2878 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
2879 register_bb_in_sese, new_sese, free_sese): Moved.
2880 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
2881 outermost_loop_in_scop, build_scop_iteration_domain,
2882 expand_scalar_variables_ssa_name, get_vdef_before_scop,
2883 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
2884 Use loop_in_sese_p instead of loop_in_scop_p.
2885 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
2886 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
2887 (scopdet_basic_block_info): Fix bug in scop detection.
2888 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
2889 eq_loop_to_cloog_loop): Remove.
2890 (nb_loops_around_loop_in_scop, nb_loop
2891 ref_nb_loops): Moved here...
2892 * graphite.h (ref_nb_loops): ... from here.
2893 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
2894 (loop_domain_dim, loop_iteration_vector_dim): Remove.
2895 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
2896 * testsuite/gcc.dg/graphite/scop-19.c: New
2898 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
2899 Hans-Peter Nilsson <hp@axis.com>
2901 PR rtl-optimization/37889
2902 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
2903 Move offset handling from PLUS to before the switch. Use new
2904 arguments when considering SYMBOL_REFs too.
2905 (rtx_addr_can_trap_p): Pass dummy offset and size.
2906 (enum may_trap_p_flags): Remove.
2907 (may_trap_p_1): Pass size from MEM_SIZE.
2909 PR rtl-optimization/38921
2910 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
2911 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
2912 * rtlanal.c (may_trap_after_code_motion_p): Delete.
2913 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
2915 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
2917 AVX Programming Reference (January, 2009)
2918 * config/i386/sse.md (*vpclmulqdq): New.
2920 2009-02-04 Jakub Jelinek <jakub@redhat.com>
2922 PR tree-optimization/38977
2923 PR gcov-profile/38292
2924 * calls.c (special_function_p): Disregard __builtin_ prefix.
2926 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
2928 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
2929 non-indexable addresses even before reload.
2931 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2934 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
2935 as having variable size. Do not give an error for unnamed
2936 parameters with [*] declarators. Give a warning for type names
2937 with [*] declarators and mark them as variable size.
2938 * c-parser.c (c_parser_sizeof_expression): Do not give an error
2939 for sizeof applied to [*] type names.
2941 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
2944 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
2946 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2948 * gcc.c (process_command): Update copyright notice dates.
2949 * gcov.c (print_version): Likewise.
2950 * gcov-dump.c (print_version): Likewise.
2951 * mips-tfile.c (main): Likewise.
2952 * mips-tdump.c (main): Likewise.
2954 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2957 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
2958 for composite type involving a zero-length array type.
2960 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2963 * function.c (match_asm_constraints_1): Skip over
2964 initial optional % in the constraint.
2967 * c-parser.c (c_parser_postfix_expression): If fixed point is not
2968 supported, don't accept FIXED_CSTs.
2969 * c-decl.c (finish_declspecs): Error if fixed point is not supported
2970 and _Sat is used without _Fract/_Accum. Set specs->type to
2971 integer_type_node for cts_fract/cts_accum if fixed point is not
2974 2009-02-02 Catherine Moore <clm@codesourcery.com>
2976 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
2978 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
2980 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
2981 (ABI_HAS_64BIT_SYMBOLS): Use it.
2982 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
2984 2009-02-02 Paul Brook <paul@codesourcery.com>
2986 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
2988 2009-02-02 Jakub Jelinek <jakub@redhat.com>
2991 * recog.h (asm_operand_ok): Add constraints argument.
2992 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
2993 recurse on matching constraint.
2994 (check_asm_operands): Pass constraints as 3rd argument to
2995 asm_operand_ok. Don't look up matching constraint here.
2996 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
2999 2009-02-02 Ben Elliston <bje@au.ibm.com>
3001 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
3002 TARGET_NARROW_VOLATILE_BITFIELD macro names.
3004 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3006 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
3007 information. Remove some obsolete information. Reorganize.
3009 * config/pa/fptr.c: Revert license to GPL 2.
3010 * config/pa/milli64.S: Likewise.
3012 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
3015 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
3016 LIBRARY name in, instead of hard-coding it.
3017 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
3018 extra target make frag to tmake_files according to EH model.
3019 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
3020 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
3021 frags that define makefile variable EH_MODEL appropriately.
3022 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
3023 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
3024 to "-sjlj" according to type of EH configured.
3025 (LIBGCC_SONAME): Concatenate it to shared library base name.
3026 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
3027 to "_sjlj" according to type of EH configured.
3028 (LIBGCC_SONAME): Concatenate it to shared library base name.
3029 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
3030 (SHLIB_LINK): Add missing semicolon to if-else construct.
3031 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
3032 string value of "pe_dll" command-line option.
3033 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
3034 (SHLIB_SONAME): Use it when overriding t-cygming default.
3035 (SHLIB_IMPLIB): Override t-cygming default.
3036 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
3037 string value of "pe_dll" command-line option.
3039 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
3042 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
3043 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
3045 2009-01-31 Richard Guenther <rguenther@suse.de>
3047 PR tree-optimization/38937
3048 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
3049 computing the transitive closure.
3051 2009-01-30 Richard Guenther <rguenther@suse.de>
3053 PR tree-optimization/39041
3054 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3055 Propagate variable indices only if the types match for this stmt.
3057 2009-01-30 Jakub Jelinek <jakub@redhat.com>
3060 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
3061 inline but never defined.
3063 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
3065 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
3066 (*insv_h_di_reg_extimm): New insn.
3067 (*insv_l<mode>_reg_extimm): New insn.
3069 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
3071 * config/picochip/picochip.c (flag_conserve_stack): set
3072 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
3073 fconserve-stack. Reduce call-overhead used by inliner.
3075 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
3078 * common.opt (flag_conserve_stack): Initialised to zero.
3080 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
3083 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
3084 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
3087 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
3089 * ira-color.c (allocno_reload_assign): Update comments.
3090 * regmove.c (regmove_optimize): Likewise.
3094 2009-01-29 Robert Millan <rmh@aybabtu.com>
3096 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
3097 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
3098 `MD_UNWIND_SUPPORT'.
3099 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
3101 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
3103 PR tree-optimization/39007
3104 * tree-loop-distribution.c (generate_builtin): Use
3105 recompute_dominator to compute the immediate dominator of the
3106 basic block just after the loop.
3108 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3110 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
3111 (ASM_OUTPUT_DWARF_PCREL): Define.
3113 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
3115 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
3116 * doc/passes.texi: Remove entries about regclass, local-alloc, and
3117 global. Modify entries about regmove and IRA.
3119 * ra-conflict.c: Remove the file.
3121 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
3123 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
3124 (pass_regclass_init): Rename to pass_reginfo_init.
3126 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
3128 * toplev.h (flag_ira): Remove.
3130 * caller-save.c (setup_save_areas): Remove flag_ira.
3132 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
3134 * global.c: Remove the file.
3136 * opts.c (decode_options): Remove flag_ira.
3138 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
3140 * regmove.c: Modify file description.
3141 (find_use_as_address, try_auto_increment): Define them only if
3142 AUTO_INC_DEC is defined.
3143 (replacement_quality, replace_in_call_usage, fixup_match_1,
3144 stable_and_no_regs_but_for_p): Remove.
3145 (reg_set_in_bb): Make it static.
3146 (regmove_optimize): Remove flag_ira and code which worked for
3149 * local-alloc.c: Remove the file.
3151 * common.opt (fira): Remove.
3153 * ira.c: Include except.h.
3154 (eliminable_regset): Move from global.c.
3155 (mark_elimination): Ditto. Remove flag_ira.
3156 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
3157 equiv_mem_modified, validate_equiv_mem_from_store,
3158 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
3159 contains_replace_regs, memref_referenced_p, memref_used_between_p,
3160 no_equiv, recorded_label_ref): Move from local-alloc.c.
3161 (update_equiv_regs): Ditto. Make it static.
3162 (print_insn_chain, print_insn_chains): Move it from global.c.
3163 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
3164 (build_insn_chain): Ditto. Make it static.
3165 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
3166 Rename to init_live_subregs.
3167 (gate_ira): Remove flag_ira.
3169 * regclass.c: Rename reginfo.c. Change file description.
3170 (FORBIDDEN_INC_DEC_CLASSES): Remove.
3171 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
3172 (init_reg_sets_1): Remove code for evaluation of
3173 reg_class_superclasses and losing_caller_save_reg_set.
3174 (init_regs): Remove init_reg_autoinc.
3175 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
3176 ok_for_base_p_nonstrict): Remove.
3177 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
3178 (pass_regclass_init): Rename to pass_reginfo_init. Modify
3179 corresponding entries.
3180 (dump_regclass, record_operand_costs, scan_one_insn,
3181 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
3182 record_address_regs, auto_inc_dec_reg_p): Remove.
3183 (gt-regclass.h): Rename to gt-reginfo.h.
3185 * rtl.h (dump_global_regs, retry_global_alloc,
3186 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
3188 * Makefile.in (RA_H): Remove.
3189 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
3190 Rename regclass.o to reginfo.o.
3191 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
3193 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
3194 (GTFILES): Rename regclass.c to reginfo.c.
3196 * passes.c (init_optimization_passes): Remove pass_local_alloc and
3197 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
3199 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3200 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
3202 (finish_spills): Ditto. Remove code for !flag_ira.
3204 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3207 * doc/invoke.texi (rtl debug options): Complete rewrite.
3208 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
3210 * mode-switching.c (pass_mode_switching): Rename pass from
3211 "mode-sw" to "mode_sw".
3212 * except.c (pass_convert_to_eh_ranges): Rename pass from
3213 "eh-ranges" to "eh_ranges".
3214 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
3218 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
3219 Alexander Monakov <amonakov@ispras.ru>
3222 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
3224 (move_exprs_to_boundary): Change return type and pass through
3225 should_move from move_op. Relax assert. Update usage ...
3226 (schedule_expr_on_boundary): ... here. Use should_move instead of
3228 (move_op_orig_expr_found): Indicate that insn was disconnected from
3230 (code_motion_process_successors): Do not call after_merge_succs
3231 callback if original expression was not found when traversing any of
3233 (code_motion_path_driver): Change return type. Update prototype.
3234 (move_op): Update comment. Add a new parameter (should_move). Update
3235 prototype. Set *should_move based on indication provided by
3236 move_op_orig_expr_found.
3238 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
3240 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
3241 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
3242 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
3243 * config/rs6000/rs6000.c (rs6000_override_options): Default
3244 avoid-indexed-addresses on for Power6, off for everything else.
3245 (avoiding_indexed_address_p): New function.
3246 (rs6000_legitimize_address): Use it.
3247 (rs6000_legitimate_address): Likewise.
3248 * config/rs6000/rs6000.md (movXX_updateX): Likewise
3250 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
3252 PR tree-optimization/38997
3253 * tree-loop-distribution.c (generate_memset_zero): Use
3254 POINTER_PLUS_EXPR for a pointer addition.
3256 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
3258 * config/s390/s390.md (bswap<mode>2): New pattern added.
3260 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3262 * config/s390/s390.md (*tls_load_31): Added type attribute.
3264 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3266 * config/s390/s390.md: Fix a few comments.
3268 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3270 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
3271 (*tm<mode>_full): Fixed z10prop attribute.
3272 (*tst<mode>_extimm): Fixed z10prop attribute.
3273 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
3274 (*tstqiCCT_cconly): Fixed z10prop attribute.
3275 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
3276 (*movsi_larl): Fixed z10prop attribute.
3277 (*movsi_zarch): Fixed z10prop attribute.
3278 (*movsi_eas): Fixed z10prop attribute.
3279 (*movhi): Fixed z10prop attribute.
3280 (*movqi): Fixed z10prop attribute.
3281 (*movstrictqi): Fixed z10prop attribute.
3282 (*mov<mode>): Fixed z10prop attribute.
3283 (*movcc): Fixed z10prop attribute.
3284 (*sethighpartdi_64): Fixed z10prop attribute.
3285 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
3286 (*negdi2_sign_cc): Fixed z10prop attribute.
3287 (*negdi2_sign): Fixed z10prop attribute.
3288 (*absdi2_sign_cc): Fixed z10prop attribute.
3289 (*absdi2_sign): Fixed z10prop attribute.
3290 (*negabsdi2_sign_cc): Fixed z10prop attribute.
3291 (*negabsdi2_sign): Fixed z10prop attribute.
3292 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
3293 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
3294 (doloop_si64): Fixed z10prop attribute.
3295 (doloop_si31): Fixed z10prop attribute.
3296 (doloop_long): Fixed z10prop attribute.
3297 (indirect_jump): Fixed z10prop attribute.
3298 (nop): Fixed z10prop attribute.
3299 (main_base_64): Fixed z10prop attribute.
3300 (reload_base_64): Fixed z10prop attribute.
3302 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3304 PR rtl-optimization/38740
3305 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
3307 * config/mips/mips.c (mips_reorg): Likewise.
3309 2009-01-28 Richard Guenther <rguenther@suse.de>
3311 PR tree-optimization/38926
3312 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
3313 with the correct value id to a value.
3314 (do_regular_insertion): Use the value number of edoubleprime
3315 for the value number of the expr.
3318 2008-08-21 Richard Guenther <rguenther@suse.de>
3320 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
3321 a PHI ask VN if it is already available.
3322 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
3323 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
3325 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3328 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
3329 set to varying whenever max has TREE_OVERFLOW set, similarly
3330 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
3332 2009-01-28 Richard Guenther <rguenther@suse.de>
3335 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
3336 uninitialized aggregate uses in call arguments.
3338 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
3340 PR tree-optimization/38984
3341 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
3342 the nothing_id variable if -fno-delete-null-pointer-checks.
3344 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
3347 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
3348 (set_got_offset_rex64): Ditto.
3350 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
3353 * doc/extend.texi: Improve local variable with asm reg.
3355 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
3357 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
3358 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
3359 was not supplied then set warn_packed_bitfield_compat to the
3361 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
3364 2009-01-27 Richard Guenther <rguenther@suse.de>
3366 PR tree-optimization/38503
3367 * cfgexpand.c (expand_gimple_basic_block): Ignore
3368 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
3369 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
3370 variables that cannot have TBAA applied.
3371 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
3374 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
3377 * calls.c (initialize_argument_information): Do not wrap complex
3378 arguments in SAVE_EXPR.
3380 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
3382 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
3383 (INSTALL_LIBGCC): Revert typo commit.
3385 2009-01-26 Richard Guenther <rguenther@suse.de>
3387 PR tree-optimization/38745
3388 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
3389 from special handling.
3391 2009-01-26 Richard Guenther <rguenther@suse.de>
3393 PR tree-optimization/38745
3394 * tree-ssa.c (execute_update_addresses_taken): Do not include
3395 variables that cannot possibly be a register in not_reg_needs.
3396 Do not clear TREE_ADDRESSABLE on vars that may not become
3398 * tree-ssa.c (update_alias_info_1): Include those in the set
3399 of addressable vars.
3401 2009-01-26 Richard Guenther <rguenther@suse.de>
3404 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
3405 * tree-ssa-dse.c: Include langhooks.h
3406 (execute_simple_dse): Remove stores with zero size.
3408 2009-01-24 Jakub Jelinek <jakub@redhat.com>
3411 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
3414 2009-01-24 Julian Brown <julian@codesourcery.com>
3416 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
3417 config/arm/linux-atomic.c.
3418 * config/arm/linux-atomic.c: New.
3420 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
3422 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
3423 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
3424 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
3426 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
3429 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
3432 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
3434 PR tree-optimization/38953
3435 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3436 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
3437 (gloog): Split the exit of the scop when the scop exit is a loop exit.
3438 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3441 2009-01-24 Paul Brook <paul@codesourcery.com>
3443 * config/arm/neon.md (neon_type): Move to arm.md.
3444 (neon_mov<VSTRUCT>): Add neon_type attribute.
3445 * config/arm/arm.md (neon_type): Move to here.
3446 (conds): Add "unconditioal" and use as default for NEON insns.
3448 2009-01-24 Ben Elliston <bje@au.ibm.com>
3450 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
3451 void *' warning from -Wc++-compat.
3452 * Makefile.in (dominance.o-warn): Remove.
3454 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
3456 PR tree-optimization/38932
3457 * fold-const.c (fold_unary_ignore_overflow): New.
3458 * tree.h (fold_unary_ignore_overflow): Declare.
3459 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
3460 * tree-ssa-sccvn.c (visit_reference_op_load,
3461 simplify_unary_expression): Likewise.
3463 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
3465 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
3466 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
3467 regardless of their type.
3468 * c-common.c (handle_packed_attribute): Don't ignore packed on
3470 * c.opt (Wpacked-bitfield-compat): New warning option.
3471 * stor-layout.c (place_field): Warn if offset of a field changed.
3472 * doc/extend.texi (packed): Mention the ABI change.
3473 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
3474 (Warning Options): Add it to the list.
3476 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
3478 * c-opts.c (c_common_post_options): Fix a typo in comments.
3480 2009-01-22 Steve Ellcey <sje@cup.hp.com>
3483 * gimplify.c (gimplify_init_constructor): Fix promotion of const
3484 variables to static.
3485 * doc/invoke.texi (-fmerge-all-constants): Update description.
3487 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
3490 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
3491 (*movdi_1_rex64): Use type "mmx" for alternative 5.
3493 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
3495 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
3497 (LOCAL_ALIGNMENT): Similarly.
3499 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3500 Joseph Myers <joseph@codesourcery.com>
3502 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
3503 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
3504 * config/arm/arm-tune.md: Regenerate.
3505 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
3508 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3510 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
3511 version number to five.
3513 2009-01-22 Dodji Seketeli <dodji@redhat.com>
3516 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
3517 * c-common.c (set_underlying_type): Likewise.
3518 (is_typedef_decl ): Likewise
3520 (set_underlying_type): Likewise.
3521 (is_typedef_type): Likewise.
3523 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
3526 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
3529 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
3532 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
3533 (LIBGCC_SPEC): Don't define.
3534 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
3536 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
3538 PR rtl-optimization/38879
3539 * alias.c (base_alias_check): Unaligned access via AND address can
3540 alias all surrounding object types except those with sizes equal
3541 or wider than the size of unaligned access.
3543 2009-01-21 Dodji Seketeli <dodji@redhat.com>
3546 * c-decl.c (clone_underlying_type): Move this ...
3547 * c-common.c (set_underlying_type): ... here.
3548 Also, make sure the function properly sets TYPE_STUB_DECL() on
3549 the newly created typedef variant type.
3550 (is_typedef_decl ): New entry point.
3551 * tree.h: Added a new member member_types_needing_access_check to
3552 struct tree_decl_non_common.
3553 (set_underlying_type): New entry point.
3554 (is_typedef_type): Likewise.
3556 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
3558 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
3559 Check whether two instructions have memory references that
3560 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
3561 are helper functions for traversing.
3562 * alias.h (insn_alias_sets_confilict_p): New prototypes.
3563 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
3564 not to draw dependency edge for instructions with non-conflicting
3567 2009-01-20 Joseph Myers <joseph@codesourcery.com>
3570 * longlong.h: Update copyright years. Use soft-fp license notice.
3571 Sync __clz_tab declaration with glibc.
3573 2009-01-20 Steve Ellcey <sje@cup.hp.com>
3576 * doc/extend.texi (syscall_linkage): New.
3577 (version_id): Modify.
3579 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
3580 Richard Guenther <rguenther@suse.de>
3582 PR tree-optimization/38747
3583 PR tree-optimization/38748
3584 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
3585 conversion if the base address is an indirect reference and the
3586 aliasing sets could cause issues.
3588 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
3590 * common.opt (fgraphite, fgraphite-identity): Add comment for
3591 explaining why these options are not documented.
3593 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
3595 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3596 gimple_call_lhs is NULL.
3598 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
3601 * emit-rtl.c (adjust_address_1): Make sure memref is never
3604 2009-01-20 Ben Elliston <bje@au.ibm.com>
3606 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3607 const qualifier from arg parameter. Remove unnecessary cast to char *.
3608 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3609 const qualifier from arg 2.
3611 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
3613 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
3615 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
3618 * rtl.h (reinit_regs): New prototype.
3619 * regclass.c: Include ira.h.
3621 * Makefile.in (regclass.o): Add ira.h.
3622 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
3624 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
3627 * c-common.c (handle_aligned_attribute): Use
3628 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
3629 default alignment value.
3631 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
3633 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
3634 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
3636 * doc/extend.texi: Update __attribute__ ((aligned)). Document
3637 __BIGGEST_ALIGNMENT__.
3639 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
3641 2009-01-18 Richard Guenther <rguenther@suse.de>
3643 PR tree-optimization/38819
3644 * tree-flow.h (operation_could_trap_helper_p): Declare.
3645 * tree-eh.c (operation_could_trap_helper_p): Export.
3646 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
3647 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
3648 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
3649 are about to insert a possibly trapping instruction and fail
3652 2009-01-18 Andreas Schwab <schwab@suse.de>
3654 * doc/install.texi (Configuration): Remove obsolete paragraph
3655 about use of --with-gnu-ld with --with-gnu-as.
3657 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
3659 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
3660 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
3661 Follow spelling conventions.
3663 2009-01-18 Ben Elliston <bje@au.ibm.com>
3665 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
3666 C++ warning about implicit conversion from void * to struct
3668 (bitmap_obstack_free): Likewise for bitmap_element *.
3669 * Makefile.in (bitmap.o-warn): Remove.
3671 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
3673 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
3675 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
3676 Tobias Grosser <tobi.grosser@amd.com>
3678 * graphite.c (graphite_trans_scop_block): Do not block single
3681 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
3683 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
3684 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
3685 test with assertion.
3687 2009-01-16 Richard Guenther <rguenther@suse.de>
3689 PR tree-optimization/38835
3691 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
3692 and INT + PTR -> (INT)(PTR p+ INT) folding.
3693 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
3695 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
3698 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
3699 the subreg from a lowpart subreg if it is also casting the value.
3701 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3702 Tobias Grosser <tobi.grosser@amd.com>
3704 * graphite.c (compare_prefix_loops): New.
3705 (build_scop_canonical_schedules): Rewritten.
3706 (graphite_transform_loops): Move build_scop_canonical_schedules
3707 after build_scop_iteration_domain.
3709 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3710 Tobias Grosser <tobi.grosser@amd.com>
3712 * graphite.c (add_conditions_to_domain): Add the loops to
3713 the dimension of the iteration domain. Do copy the domain
3714 only when it exists.
3715 (build_scop_conditions_1): Do not call add_conditions_to_domain.
3716 (add_conditions_to_constraints): New.
3717 (can_generate_code_stmt, can_generate_code): Removed.
3718 (gloog): Do not call can_generate_code.
3719 (graphite_transform_loops): Call add_conditions_to_constraints
3720 after building the iteration domain.
3722 2009-01-16 Jakub Jelinek <jakub@redhat.com>
3724 PR tree-optimization/38789
3725 * tree-ssa-threadedge.c
3726 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
3727 __builtin_constant_p.
3729 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
3731 * dce.c (delete_unmarked_insns): Reversed the order that insns are
3732 examined before deleting them.
3734 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
3736 * function.c (aggregate_value_p): Correctly extract the function
3737 type from CALL_EXPR_FN lookup.
3739 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3741 * config/picochip/picochip.c (picochip_override_options): Revert
3742 CFI asm flag disable commited previously.
3744 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
3745 Tobias Grosser <tobi.grosser@amd.com>
3746 Jan Sjodin <jan.sjodin@amd.com>
3748 * graphite.c (scan_tree_for_params): On substractions negate
3749 all the coefficients of the term.
3750 (clast_to_gcc_expression_red): New. Handle reduction expressions
3751 of more than two operands.
3752 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3753 (get_vdef_before_scop): Handle also the case of default definitions.
3755 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3757 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
3758 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
3759 Also use them when walking CALL_INSN_FUNCTION_USAGE.
3761 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
3762 Joey Ye <joey.ye@intel.com>
3765 * cfgexpand.c (expand_stack_alignment): Don't update stack
3766 boundary nor check incoming stack boundary here.
3767 (gimple_expand_cfg): Update stack boundary and check incoming
3768 stack boundary here.
3770 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
3772 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
3774 2009-01-14 Jakub Jelinek <jakub@redhat.com>
3776 PR rtl-optimization/38245
3777 * calls.c (expand_call): Add stack arguments to
3778 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3779 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
3780 in regs and partially in memory or BLKmode arguments.
3781 (emit_library_call_value_1): Add stack arguments to
3782 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3783 ACCUMULATE_OUTGOING_ARGS).
3784 * dce.c: Include tm_p.h.
3785 (find_call_stack_args): New function.
3786 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
3788 (mark_insn): Call find_call_stack_args for CALL_Ps.
3789 (prescan_insns_for_dce): Walk insns backwards in bb rather than
3790 forwards. Allocate and free arg_stores bitmap if needed, pass it
3791 down to deletable_insn_p, don't mark stores set in arg_stores
3792 bitmap, clear the bitmap at the beginning of each bb.
3793 * Makefile.in (dce.o): Depend on $(TM_P_H).
3795 2009-01-14 Michael Meissner <gnu@the-meissners.org>
3798 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
3799 to make sure the insn is a conditional test (bug 22599). Reformat a
3802 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
3805 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3806 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3807 (gloog): Do not call cleanup_tree_cfg.
3808 (graphite_transform_loops): Call cleanup_tree_cfg after all
3809 scops have been code generated.
3811 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
3812 * doc/gty.texi (Invoking the garbage collector): Added new node
3813 and section documenting ggc_collect.
3815 2009-01-14 Richard Guenther <rguenther@suse.de>
3817 PR tree-optimization/38826
3819 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
3820 initialization notes only if we actually emitted a warning.
3821 (intra_create_variable_infos): Add constraints for a result decl
3822 that is passed by hidden reference.
3823 (build_pred_graph): Mark all related variables non-direct on
3826 2009-01-14 Nick Clifton <nickc@redhat.com>
3828 * ira-conflicts.c: Include addresses.h for the definition of
3830 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
3831 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
3833 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
3836 * Makefile.in (ira-lives.o): Add except.h.
3838 * ira-lives.c: Include except.h.
3839 (process_bb_node_lives): Process can_throw_internal.
3841 2009-01-13 Jakub Jelinek <jakub@redhat.com>
3843 PR rtl-optimization/38774
3844 * combine.c (simplify_set): When undoing cc_use change, don't do
3845 PUT_CODE on the newly created comparison, but instead put back the
3848 2009-01-13 Joseph Myers <joseph@codesourcery.com>
3850 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
3851 values. Remove duplicate arm8 entry.
3853 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
3855 PR tree-optimization/38786
3856 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3857 the SSA_NAME case of expand_scalar_variables_expr.
3858 Set the type of an expression to the type of its assign statement.
3859 (expand_scalar_variables_expr): Also gather the scalar computation
3860 used to index the memory access. Do not pass loop_p.
3861 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
3862 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3863 the gimple_stmt_iterator where it inserts new code.
3865 (copy_bb_and_scalar_dependences): Do not pass loop_p.
3866 (translate_clast): Update call to copy_bb_and_scalar_dependences.
3868 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
3870 * graphite.h (debug_value): Removed.
3871 * graphite.c (debug_value): Removed.
3873 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
3875 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
3876 ldrd/strd with two 32-bit instructions.
3878 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
3880 * config/arm/arm.c (struct processors): Pass for speed down into
3881 cost helper functions.
3882 (const_ok_for_op): Handle COMPARE and inequality nodes.
3883 (arm_rtx_costs_1): Rewrite.
3884 (arm_size_rtx_costs): Update prototype.
3885 (arm_rtx_costs): Pass speed down to helper functions.
3886 (arm_slowmul_rtx_costs): Rework cost calculations.
3887 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
3888 (arm_9e_rtx_costs): Likewise.
3890 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
3892 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
3893 relocations of local symbols wider than UNITS_PER_WORD are not valid.
3894 (alpha_legitimize_address): Do not split local symbols wider than
3895 UNITS_PER_WORD into HIGH/LO_SUM parts.
3897 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
3900 * gcc.c (process_command): Replace call to execvp with calls
3901 to pex_one and exit.
3903 2009-01-03 Anatoly Sokolov <aesok@post.ru>
3906 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
3907 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
3908 variant for devices with 3-byte PC.
3909 (__tablejump_elpm__): New.
3911 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3914 * c-parser.c (c_parser_postfix_expression): Allow `->' in
3915 offsetof member-designator, handle it as `[0].'.
3917 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3919 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
3920 function when not using named sections on targets with named sections
3921 if branch distance is less than 262132.
3923 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
3925 * combine.c (combine_instructions): Recompute
3926 optimize_this_for_speed_p for each BB in the main combine loop.
3928 2009-01-12 Tomas Bily <tbily@suse.cz>
3931 * tree-loop-distribution.c (prop_phis): New function.
3932 (generate_builtin): Call prop_phis.
3933 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
3935 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3937 PR tree-optimization/38807
3938 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
3939 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
3941 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
3943 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
3944 subreg of op0 to the original op0.
3946 2009-01-11 Laurent GUERBY <laurent@guerby.net>
3948 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
3950 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
3953 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
3954 starting with digits.
3956 2009-01-10 Jakub Jelinek <jakub@redhat.com>
3959 * config/arm/arm.c (arm_is_long_call_p): Don't call
3960 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
3962 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
3964 * regrename.c (regrename_optimize): Fix dumping.
3965 (find_oldest_value_reg): Preserve REG_POINTER.
3966 (copy_hardreg_forward_1): Likewise.
3968 2009-01-09 Diego Novillo <dnovillo@google.com>
3970 * gimple.h (struct gimple_statement_base) <uid>: Document
3971 the restrictions on its use.
3973 (gimple_set_uid): Tidy.
3975 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3977 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
3978 zero guard even if align_bytes != 0 and count is smaller than
3981 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
3983 PR rtl-optimization/38495
3984 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
3985 (add_range_and_copies_from_move_list): Print all added ranges.
3986 Add ranges to memory optimized destination.
3988 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3992 * config/i386/i386.c (override_options): Reject
3993 -mstringop-strategy=rep_8byte with -m32.
3994 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
3995 to 1. Do count comparison against epilogue_size_needed at compile
3996 time even when count_exp was constant forced into register. For
3997 size_needed don't jump to epilogue, instead just avoid aligning
3998 and invoke the body algorithm. If need_zero_guard, add zero guard
3999 even if count is non-zero, but smaller than size_needed + number of
4000 bytes that could be stored for alignment.
4001 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
4002 to 1. If need_zero_guard, add zero guard even if count is non-zero,
4003 but smaller than size_needed + number of bytes that could be stored
4004 for alignment. Compare size_needed with epilogue_size_needed instead
4005 of desired_align - align, don't adjust size_needed, pass
4006 epilogue_size_needed to the epilogue expanders.
4009 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
4011 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4013 * pa.c (last_address): Change to unsigned.
4014 (update_total_code_bytes): Change argument to unsigned. Don't
4015 check if insn addresses are set.
4016 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
4017 addresses are not set.
4018 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
4020 2009-01-09 Nick Clifton <nickc@redhat.com>
4022 * config/sh/symbian.c: Replace uses of DECL_INLINE with
4023 DECL_DECLARED_INLINE_P.
4025 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4028 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
4029 GET_MODE (op0) in operand_subword_force calls.
4032 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
4033 fold_convert arg0 operands to TREE_TYPE (op0) first.
4035 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
4037 * params.def (ira-max-conflict-table-size): Decrease default value
4040 2009-01-08 Jakub Jelinek <jakub@redhat.com>
4042 PR tree-optimization/37031
4043 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
4045 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
4046 allocate it using gc instead of heap, use VEC_quick_push instead of
4048 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
4049 instead of heap, use VEC_quick_push instead of VEC_safe_push.
4050 * tree-data-ref.h (struct access_matrix): Change matrix to gc
4051 allocated vector from heap allocated.
4052 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
4053 * tree-loop-linear.c (linear_transform_loops): Allocate nest
4054 vector only after perfect_loop_nest_depth call.
4056 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
4057 Jan Sjodin <jan.sjodin@amd.com>
4059 PR tree-optimization/38559
4060 * graphite.c (debug_value, copy_constraint,
4061 swap_constraint_variables, scale_constraint_variable, ): New.
4062 (get_lower_bound, get_upper_bound): Removed.
4063 (graphite_trans_bb_strip_mine): Clean up this code that works
4064 only for constant number of iterations. Fully copy upper and
4065 lower bound constraints, not only the constant part of them.
4066 * graphite.h (debug_value): Declared.
4068 2009-01-08 Ira Rosen <irar@il.ibm.com>
4070 PR tree-optimization/37194
4071 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
4072 Don't add the cost of cost model guard in prologue to scalar
4073 outside cost in case of known number of iterations.
4075 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
4076 Alan Modra <amodra@bigpond.net.au>
4078 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
4079 non-word-aligned REG+CONST addressing.
4081 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
4084 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
4085 free_after_compilation when outputting a thunk.
4086 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
4087 Do not call free_after_compilation here.
4089 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
4091 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
4092 (ix86_valid_target_attribute_inner_p): Ditto.
4094 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
4096 PR tree-optimization/38492
4097 PR tree-optimization/38498
4098 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4099 * tree-chrec.h (scev_is_linear_expression): Declared.
4100 * graphite.c (graphite_cannot_represent_loop_niter): New.
4101 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4102 (graphite_loop_normal_form): Use gcc_assert.
4103 (scan_tree_for_params): Use CASE_CONVERT.
4104 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4105 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4106 Use gcc_assert. Discard scops that contain unhandled cases.
4107 (build_scop_conditions): Return a boolean status for unhandled cases.
4108 (strip_mine_profitable_p): Print the loop number, not its depth.
4109 (is_interchange_valid): Pass the depth of the loop nest, don't
4110 recompute it wrongly.
4111 (graphite_trans_bb_block): Same.
4112 (graphite_trans_bb_block): Print tentative of loop blocking.
4113 (graphite_trans_scop_block): Do not print that the loop has been
4115 (graphite_transform_loops): Do not handle scops that contain condition
4118 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
4120 AVX Programming Reference (December, 2008)
4121 * config/i386/avxintrin.h (_mm256_stream_si256): New.
4122 (_mm256_stream_pd): Likewise.
4123 (_mm256_stream_ps): Likewise.
4125 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
4126 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
4127 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
4128 (bdesc_special_args): Add __builtin_ia32_movntdq256,
4129 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
4130 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
4131 (ix86_expand_special_args_builtin): Likewise.
4133 * config/i386/sse.md (AVXMODEDI): New.
4134 (avx_movnt<mode>): Likewise.
4135 (avx_movnt<mode>): Likewise.
4136 (<sse>_movnt<mode>): Remove AVX support.
4137 (sse2_movntv2di): Likewise.
4139 2009-01-07 Richard Guenther <rguenther@suse.de>
4142 * fold-const.c (extract_muldiv): Remove obsolete comment.
4143 (fold_plusminus_mult_expr): Undo MINUS_EXPR
4144 to PLUS_EXPR canonicalization for the canonicalization.
4146 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
4148 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
4149 hosted cross-compilers generating less efficient code.
4151 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4153 * function.h (rtl_data): Add a dbr_scheduled_p field.
4154 * reorg.c (dbr_schedule): Set it.
4155 (gate_handle_delay_slots): Check it.
4156 * config/mips/mips.c (mips_base_delayed_branch): Delete.
4157 (mips_reorg): Check flag_delayed_branch instead of
4158 mips_base_delayed_branch.
4159 (mips_override_options): Don't set mips_base_delayed_branch
4160 or flag_delayed_branch.
4162 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4164 PR rtl-optimization/38426.
4165 * ira.c (ira): Set current_function_is_leaf earlier.
4167 2009-01-06 Jakub Jelinek <jakub@redhat.com>
4169 PR rtl-optimization/38722
4170 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
4171 too early, only set a flag and modify after last possible
4174 2009-01-06 Janis Johnson <janis187@us.ibm.com>
4177 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
4178 * real.c (decimal_single_format): Correct values of emin and emax.
4179 (decimal_double_format): Ditto.
4180 (decimal_quad_format): Ditto.
4181 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
4182 computation of DECnn_MIN and DECnn_MAX for corrected values of
4183 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
4184 __DECnn_MIN__, and adjust its computation for the corrected value
4187 2009-01-06 Jan Hubicka <jh@suse.cz>
4190 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
4192 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
4194 * doc/contrib.texi (Contributors): Slightly adjust the end note.
4195 Add Robert Clark to the list of testers.
4197 2009-01-06 Jan Hubicka <jh@suse.cz>
4198 Kai Tietz <kai.tietz@onevision.com>
4200 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
4201 * config/i386/i386.c (ix86_expand_call): Add clobbers.
4203 2009-01-06 Jan Hubicka <jh@suse.cz>
4204 Kai Tietz <kai.tietz@onevision.com>
4206 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
4208 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
4209 (ix86_nsaved_regs): Count only general purpose regs.
4210 (ix86_nsaved_sseregs): New.
4211 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
4212 to 16 for w64; compute padding and size of sse reg save area.
4213 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
4214 general purpose regs.
4215 (ix86_emit_save_sse_regs_using_mov): New.
4216 (ix86_expand_prologue): Save SSE regs if needed.
4217 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
4218 (ix86_emit_restore_sse_regs_using_mov): New.
4219 (ix86_expand_epilogue): Save SSE regs if needed.
4221 2009-01-06 Jan Hubicka <jh@suse.cz>
4222 Kai Tietz <kai.tietz@onevision.com>
4224 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
4225 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
4226 functions when accumulate outgoing args is off.
4228 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4231 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
4232 before using pseudos_have_intersected_live_ranges_p.
4234 * ira-int.h (ira_assert): Always define.
4236 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4238 AVX Programming Reference (December, 2008)
4239 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
4240 (_mm256_permute2_pd): Likewise.
4241 (_mm_permute2_ps): Likewise.
4242 (_mm256_permute2_ps): Likewise.
4243 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
4244 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
4246 * config/i386/i386.c (ix86_builtins): Remove
4247 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
4248 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
4249 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
4250 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
4251 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
4252 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
4253 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
4254 __builtin_ia32_vpermil2ps256.
4255 (ix86_init_mmx_sse_builtins): Updated.
4256 (ix86_expand_args_builtin): Likewise.
4258 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4260 * pa.c (output_call): Relocate non-jump insns in the delay slot of
4261 long absolute calls when generating PA 2.0 code.
4263 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
4265 PR rtl-optimization/38583
4266 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
4268 * params.def (ira-max-conflict-table-size): New.
4270 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
4272 * ira.h (ira_conflicts_p): New external definition.
4274 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
4275 table. Report this. Return result of building.
4276 (ira_build_conflicts): Use ira_conflicts_p. Check result of
4277 building conflict table.
4279 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
4280 (ira_color): Use ira_conflicts_p.
4282 * global.c: Include ira.h.
4283 (pseudo_for_reload_consideration_p, build_insn_chain): Use
4286 * Makefile.in (global.o): Add ira.h.
4288 * ira-build.c (mark_all_loops_for_removal,
4289 propagate_some_info_from_allocno): New.
4290 (remove_unnecessary_allocnos): Call
4291 propagate_some_info_from_allocno.
4292 (remove_low_level_allocnos): New.
4293 (remove_unnecessary_regions): Add parameter. Call
4294 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
4295 parameter to remove_unnecessary_regions.
4296 (ira_build): Remove all regions but root if the conflict table was
4297 not built. Update conflict hard regs for allocnos crossing calls.
4299 * ira.c (ira_conflicts_p): New global.
4300 (ira): Define and use ira_conflicts_p.
4302 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4303 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
4304 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
4306 2009-01-06 Ben Elliston <bje@au.ibm.com>
4308 * gengtype-lex.l (YY_NO_INPUT): Define.
4310 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
4313 * c-common.c (handle_vector_size_attribute): Also reject
4316 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
4318 PR tree-optimization/38492
4319 * graphite.c (rename_map_elt, debug_rename_elt,
4320 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4321 rename_map_elt_info, eq_rename_map_elts,
4322 get_new_name_from_old_name, bb_in_sese_p): Moved around.
4323 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4324 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4325 (sese_build_livein_liveouts): New.
4326 (new_sese, free_sese): New.
4327 (new_scop): Call new_sese.
4328 (free_scop): Call free_sese.
4329 (rename_variables_from_edge, rename_phis_end_scop): Removed.
4330 (register_old_new_names): Renamed register_old_and_new_names.
4331 (register_scop_liveout_renames, add_loop_exit_phis,
4332 insert_loop_close_phis, struct igp,
4333 default_liveout_before_guard, add_guard_exit_phis,
4334 insert_guard_phis, copy_renames): New.
4335 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4336 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4337 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4338 (scop_adjust_phis_for_liveouts): New.
4339 (gloog): Call scop_adjust_phis_for_liveouts.
4341 * graphite.h (struct sese): Documented. Added fields liveout,
4343 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4344 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4345 (struct scop): Added field liveout_renames.
4346 (SCOP_LIVEOUT_RENAMES): New.
4348 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4350 PR tree-optimization/38510
4351 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4352 (translate_clast): Call recompute_all_dominators before
4354 (gloog): Call recompute_all_dominators before graphite_verify.
4356 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4357 Jan Sjodin <jan.sjodin@amd.com>
4359 PR tree-optimization/38500
4360 * graphite.c (create_sese_edges): Call fix_loop_structure after
4363 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
4365 * config.gcc: Add m32r*-*-rtems*.
4366 * config/m32r/rtems.h: New file.
4368 2009-01-05 Ben Elliston <bje@au.ibm.com>
4370 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
4371 (.po.pox): Likewise.
4372 (po/gcc.pot): Likewise.
4374 2009-01-04 David S. Miller <davem@davemloft.net>
4376 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
4377 (STARTING_FRAME_OFFSET): Always set to zero.
4379 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4381 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
4382 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
4383 fixed-point types, and vectors of the same.
4385 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4387 * config/mips/sync.md (*mb_barrier): Rename to...
4388 (*memory_barrier): ...this.
4390 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
4392 * doc/extend.texi (Function Attributes): Move @cindex after @item
4393 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
4394 and put in alphabetical order. Fix 'target' name and put in order.
4395 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
4398 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
4400 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
4401 (memory_barrier): Expand as unspec instead of unspec_volatile.
4402 Remove mem:BLK from insn operands. Use Pmode scratch register.
4403 (*memory_barrier): Define as unspec instead of unspec_volatile.
4404 Use (match_dup 0) as input operand.
4406 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
4407 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
4408 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
4409 scratch register. Remove operand 1.
4410 (*stbar): Define as unspec instead of unspec_volatile.
4411 Use (match_dup 0) as input operand, remove (const_int 8).
4412 (*membar): Define as unspec instead of unspec_volatile.
4413 Use (match_dup 0) as input operand, remove input operand 2.
4415 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
4416 (memory_barrier): Expand as unspec instead of unspec_volatile.
4417 Remove mem:BLK from insn operands. Use Pmode scratch register.
4418 (*memory_barrier): Define as unspec instead of unspec_volatile.
4419 Use (match_dup 0) as input operand.
4421 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
4422 Remove mem:BLK from insn operands. Use Pmode scratch register.
4423 Set volatile flag on operand 0.
4424 (*memory_barrier): New insn pattern.
4426 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
4428 (*memory_barrier): Use (match_dup 0) as input operand.
4430 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
4431 Remove mem:BLK from insn operands. Use Pmode scratch register.
4432 Set volatile flag on operand 0.
4433 (*mb_internal): New insn pattern.
4435 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
4437 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4440 * function.c (struct temp_slot): Move to the section of the file
4441 that deals with temp slots. Remove field 'address'.
4442 (temp_slot_address_table): New hash table of address -> temp slot.
4443 (struct temp_slot_address_entry): New struct, items for the table.
4444 (temp_slot_address_compute_hash, temp_slot_address_hash,
4445 temp_slot_address_eq, insert_temp_slot_address): Support functions
4447 (find_temp_slot_from_address): Rewrite to use the new hash table.
4448 (remove_unused_temp_slot_addresses): Remove addresses of temp
4449 slots that have been made available.
4450 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
4451 worker function for remove_unused_temp_slot_addresses.
4452 (assign_stack_temp_for_type): Don't clear the temp slot address list.
4453 Add the temp slot address to the address -> temp slot map.
4454 (update_temp_slot_address): Update via insert_temp_slot_address.
4455 (free_temp_slots): Call remove_unused_temp_slot_addresses.
4456 (pop_temp_slots): Likewise.
4457 (init_temp_slots): Allocate the address -> temp slot map, or empty
4458 the map if it is already allocated.
4459 (prepare_function_start): Initialize temp slot processing.
4461 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4464 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
4465 Calculate the size of all stack vars assuming no packing of stack
4466 vars will happen, replacing a quadratic algorithm with a linear one.
4468 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4471 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
4474 2009-01-03 Diego Novillo <dnovillo@google.com>
4476 * doc/contrib.texi: Update contributions.
4478 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4481 * builtins.c (fold_builtin_memory_op): Give up if either operand
4482 is volatile. Set srctype or desttype to non-qualified version
4486 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
4489 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
4491 PR rtl-optimization/35805
4492 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
4493 problem if fast dce is able to remove any instructions.
4494 * dce.c (dce_process_block): Fix dump message.
4496 2009-01-02 Mark Mitchell <mark@codesourcery.com>
4499 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
4501 2009-01-02 Jakub Jelinek <jakub@redhat.com>
4504 * tree-flow.h (op_code_prio, op_prio): New prototypes.
4505 * tree-pretty-print.c (op_code_prio): New function.
4506 (op_prio): No longer static. Use op_code_prio.
4507 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
4508 Use op_prio and op_code_prio to determine if () should be
4509 printed around operand(s) or not.
4511 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
4512 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
4513 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
4514 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
4515 pp_character instead of pp_string for single letter printing.
4517 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4519 * doc/extend.texi: Fix '#pragma GCC option' typo.
4521 2009-01-02 Richard Guenther <rguenther@suse.de>
4523 * doc/install.texi (--enable-checking): Mention different
4525 (--enable-stage1-checking): Document.
4527 2009-01-01 Andrew Pinski <pinskia@gmail.com>
4530 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
4531 case to be an error.
4533 2009-01-02 Ben Elliston <bje@au.ibm.com>
4535 * config/fp-bit.h (pack_d): Constify argument.
4536 * config/fp-bit.c (makenan): Constify return type. Remove casts.
4537 (isnan): Constify argument.
4541 (_fpadd_parts): Constify return type.
4542 (_fpmul_parts): Likewise.
4543 (_fpdiv_parts): Likewise.
4545 2009-01-01 Jakub Jelinek <jakub@redhat.com>
4548 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
4549 warn about overwriting initializer with side-effects or
4550 -Woverride-init if !IMPLICIT.
4551 (output_init_element): Likewise. Pass IMPLICIT down to
4553 (process_init_element): Add IMPLICIT argument. Pass it down
4554 to output_init_element.
4555 (push_init_element, pop_init_level, set_designator): Adjust
4556 process_init_element callers.
4557 (set_nonincremental_init, set_nonincremental_init_from_string):
4558 Adjust add_pending_init callers.
4559 (output_pending_init_elements): Adjust output_init_element callers.
4560 * c-tree.h (process_init_element): Adjust prototype.
4561 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
4562 process_init_element callers.